1. An automatic production process of a grinding wheel head is characterized by comprising the following steps:

step 1, automatic feeding of a grinding head: the automatic grinding head feeding device is characterized by comprising a workbench (1), a handle feeding assembly (2), a grinding head feeding assembly (3), a dispensing assembly (4) and a self-centering assembly (5), wherein the grinding head feeding assembly (3), the self-centering assembly (5) and the dispensing assembly (4) are sequentially arranged on the workbench (1), the handle feeding assembly (2) is positioned on one side of the grinding head feeding assembly (3), the self-centering assembly (5) and the dispensing assembly (4), a first circulating assembly (31) is arranged below the tail end of the handle feeding assembly (2), a first clamping piece (6) is arranged between the dispensing assembly (4) and the first circulating assembly (31), a second circulating assembly (32) is arranged outside the handle feeding assembly (2) and the grinding head feeding assembly (3), the second circulating assembly (32) is in sliding fit with the self-centering assembly (5), and a heating assembly (7) is further arranged on the second circulating assembly (32), a second clamping piece (8) is arranged on one side of the handle feeding assembly (2), a recovery box (81) is arranged below the second clamping piece (8), when the grinding head feeding assembly is used, when the accommodating groove in the pushing block (38) of the grinding head feeding assembly (3) vertically corresponds to the feed port (371), the grinding head (9) falls into the accommodating groove of the pushing block (38), the pushing block (38) is pushed through a second air cylinder (39), the pushing block (38) moves towards the direction of the discharge port (372), when the accommodating groove corresponds to the discharge port (372), the grinding head falls into the discharge port (372), the bearing block (33) is gradually pushed below the discharge port (372) through a second electric push rod (34), and the grinding head falls into the bearing block (33) along the discharge port (372);

step 2, self-centering the grinding head and ensuring the concentricity of the insertion connection corresponding to the handle: when the grinding head is fully arranged on the bearing block (33), the pushing cylinder (35) pushes the pushing block, the grinding head (9) is pushed onto the lower centering block (52) of the self-centering assembly (5) through the pushing block, the grinding wheel grinding head enters into a V-shaped groove for lower centering, the upper centering block (51) is pushed through the third electric push rod (55), the upper centering block (51) is contacted with the lower centering block (52), the grinding head (9) is self-centered through the V-shaped grooves in the upper centering block (51) and the lower centering block (52) and corresponds to the handle (91), and the concentricity of the handle (91) inserted into the grinding head (9) is ensured;

and step 3, dispensing in the plug hole of the grinding head: a dispensing motor (44) of the dispensing assembly (4) drives the gears (42) to rotate clockwise, the bearing plate on the rack (43) is driven to move to one side of the self-centering assembly (5) under the meshing of the two gears (42), and a fourth electric push rod (46) pushes the needle tube (45) to dispense glue in the grinding head;

step 4, automatic handle feeding: after dispensing, a dispensing motor (44) drives a gear (42) to rotate in a reverse-time manner, a rack (43) drives a needle tube (45) and a fourth electric push rod (46) on a bearing plate to return to an initial position, a feeding plate (22) is jacked up through a first electric push rod (23), a handle (91) is driven to ascend through the feeding plate (22), the top end of the feeding plate (22) is higher than the inclined surface of a feeding box (21), the handle (91) can move to a conveyor belt (24) from the feeding plate (22) along the inclined surface of the feeding box (21), the handle (91) can be moved step by step through the conveyor belt (24), when the handle (91) moves to a push plate (26), the push plate (26) is pushed through a first air cylinder (25), the handle (91) is pushed to an inclined block (27) through the push plate (26), a circulating motor (313) drives a circulating belt (311) to rotate, and the belt drives a placing block (314) to circularly move around two belt pulleys (311), when the placing block (314) moves below the inclined block (27), the handle is pushed onto the inclined block (27) through the push plate (26), so that the handle (91) falls into a placing groove on the placing block (314) from the inclined block (27), and the handle (91) is carried by the placing groove;

step 5, inserting the handle into the grinding head: when the handle (91) on the placing block (314) moves to the position below the electric clamping jaw (66) of the first clamping piece (6), the supporting plate (65) is pushed to descend through the third air cylinder (64), so that the electric clamping jaw (66) on the supporting plate (65) clamps the handle (91) on the first circulating assembly (31), the electric cylinder (62) drives the connecting plate (63) to move to one side of the grinding head (9), and the handle (91) is inserted into the grinding head (9) through the electric clamping jaw (66);

and 6, quickly curing the glue: the second circulating assembly (32) drives the self-centering assembly (5) to move to the heating assembly (7), glue on the grinding head (9) is heated and cured through the heating assembly (7), the glue in the grinding head (9) is rapidly cured, the grinding head (9) and the handle (91) are integrated, and the required grinding wheel head is obtained;

step 7, automatically discharging and boxing the grinding wheel grinding head: after heating, the grinding head (9) and the handle (91) are moved to one side of the second clamping piece (8) through the second circulating assembly (32), the handle (91) is clamped through the second clamping piece (8) and moved to the upper side of the recovery box (81), and the handle and the grinding head are moved to the recovery box (81) for blanking.

2. An automatic process for producing a grinding wheel head according to claim 1, characterized in that in step 2, different shapes of grinding heads can be accommodated by the upper centering block (51) and the lower centering block (52).

3. The automatic production process of the grinding wheel grinding head according to claim 1, wherein the handle feeding assembly (2) comprises a feeding box (21), a feeding plate (22), a first electric push rod (23) and a conveyor belt (24), the feeding box (21) is arranged in the second circulating assembly (32), an opening is formed in the feeding box (21), an inclined surface is arranged at one end of the feeding box (21), the feeding plate (22) is arranged at the opening of the feeding box (21), an inclined surface is arranged at the end part of the feeding plate (22), the first electric push rod (23) is arranged at the bottom part of the feeding plate (22), the output end of the first electric push rod (23) is connected with the bottom part of the feeding plate (22), the conveyor belt (24) is positioned at one side of the feeding box (21), a first air cylinder (25) is arranged at one side of the discharging end of the conveyor belt (24), and a push plate (26) is arranged at the output end of the first air cylinder (25), an inclined block (27) is arranged on the other side of the discharging end of the conveyor belt (24).

4. The automatic production process of a grinding wheel grinding head according to claim 3, wherein the first circulating assembly (31) and the second circulating assembly (32) have the same structure, the first circulating assembly (31) comprises belt pulleys (311), guide rails (312), a circulating motor (313) and placing blocks (314), the belt pulleys (311) are provided with two belt pulleys (311) symmetrically arranged on the surface of the worktable (1), the two belt pulleys (311) are connected by a belt, the guide rails (312) are arranged outside the two belt pulleys (311), the circulating motor (313) is arranged at the lower end of the worktable (1), the output end of the circulating motor (313) is connected with one of the two belt pulleys (311), the placing blocks (314) are arranged on the guide rails (312) and are positioned below the inclined blocks (27), and the placing blocks (314) are connected with the guide rails (312) and the belt, the placing block (314) is also provided with a plurality of placing grooves.

5. The automatic production process of the grinding wheel grinding head according to claim 1, wherein the grinding head feeding assembly (3) comprises a bearing block (33), a second electric push rod (34), a push cylinder (35), a support (36), a placing box (37), a push block (38) and a second cylinder (39), the bearing block (33) is arranged on the workbench (1) and positioned on one side of the self-centering assembly (5), the bearing block (33) is provided with a plurality of grooves, the number of the grooves is the same as that of the placing grooves, the second electric push rod (34) is positioned at one end of the bearing block (33), the output end of the second electric push rod (34) is connected with the bearing block (33), the push cylinder (35) is arranged on one side of the bearing block (33), the output end of the push cylinder (35) is provided with a push plate (351), and the push plate (351) is provided with push blocks with the same number of grooves, support (36) set up the top at carrier block (33), the top and the bottom of placing box (37) are equipped with feed inlet (371) and discharge gate (372), and feed inlet (371) and discharge gate (372) are the setting of staggering and place box (37) intercommunication, and the both sides of placing box (37) are equipped with the spout, it is inside placing box (37) to promote piece (38) to set up, and promotes the inside holding tank that is equipped with of piece (38), second cylinder (39) are equipped with two, and two second cylinders (39) set up respectively in the left and right sides of placing box (37), and the output of two second cylinders (39) is connected with the both sides that promote piece (38).

6. The automatic production process of the grinding wheel grinding head according to claim 4, wherein the self-centering assembly (5) comprises an upper centering block (51), a lower centering block (52), support rods (53), a fixing plate (54) and a third electric push rod (55), the upper centering block (51) and the lower centering block (52) are symmetrically arranged up and down, the upper centering block (51) is arranged on the second circulating assembly (32) and is in sliding fit with the second circulating assembly (32), a plurality of V-shaped grooves are arranged on the upper centering block (51) and the lower centering block (52), the two support rods (53) are arranged on two sides of the upper centering block (51) and the lower centering block (52) symmetrically, the upper centering block (51) is movably connected with the support rods (53), the fixing plate (54) is arranged at the end parts of the two support rods (53), the number of the third electric push rods (55) is two, the two third electric push rods (55) are arranged on the fixing plate (54), and the output end of each third electric push rod (55) penetrates through the fixing plate (54) to be connected with the upper centering block (51).

7. The automatic production process of the grinding wheel grinding head according to claim 6, wherein the glue dispensing assembly (4) comprises a slide rail (41), two gears (42), two racks (43), a glue dispensing motor (44), a needle tube (45) and a fourth electric push rod (46), the slide rail (41) is arranged on the surface of the workbench (1), the two gears (42) are arranged between the slide rails (41), the two gears (42) are meshed with each other, the two racks (43) are arranged, the lower ends of the two racks (43) are in sliding fit with the slide rail (41), the two racks (43) are meshed with the two gears (42), a bearing plate is further arranged above the racks (43), the glue dispensing motor (44) is arranged at the lower end of the workbench (1), and the output end of the glue dispensing motor (44) is connected with one gear (42) of the two gears (42), the needle tubes (45) and the fourth electric push rods (46) are sequentially arranged on the bearing plate, the number of the needle tubes (45) and the number of the fourth electric push rods (46) are the same as that of the V-shaped grooves in the lower centering block (52), and the needle tubes (45) are arranged on the output end of the fourth electric push rods (46).

8. The automatic production process of the grinding wheel grinding head according to claim 4, wherein the first clamping member (6) and the second clamping member (8) have the same structure, the first clamping member (6) comprises two support frames (61), electric cylinders (62), a connecting plate (63), a third cylinder (64), a support plate (65) and electric clamping jaws (66), the two support frames (61) are arranged on the workbench (1) and positioned between the glue dispensing assembly (4) and the first circulating assembly (31), the two electric cylinders (62) are arranged on the two support frames (61) respectively, the connecting plate (63) is positioned between the two electric cylinders (62) and two ends of the connecting plate (63) are connected with the two electric cylinders (62), the third cylinder (64) is arranged at the lower end of the connecting plate (63), and the output end of the third cylinder (64) faces downwards, the utility model discloses a pneumatic clamping device, including backup pad (65), electric clamping jaw (66), a plurality of electric clamping jaw (66), and the quantity of electric clamping jaw (66) is the same with the quantity of standing groove, backup pad (65) set up the output of the below of third cylinder (64) and backup pad (65) and third cylinder (64) and are connected, electric clamping jaw (66) are equipped with a plurality of, and a plurality of electric clamping jaw (66) set gradually the other end at backup pad (65).

Background

The grinding head is a small-diameter fixed grinding tool with a handle made of grinding materials and the like, and is mainly used for grinding the inner and outer contours of a molded surface, such as various dies and the like, when the grinding head is used, the grinding head is arranged on a machine tool or a handheld tool and rotates at a high speed. The cylindrical grinding head can be used for grinding the inner hole. There are two types of grinding heads, different in structure and manufacturing method: the grinding head is made up by mixing, pressing and sintering abrasive and binding agent, and its tail portion has a blind hole, and then a handle is mounted in the blind hole. The grinding head is widely applied to electric grinders, suspension grinders and electric hand drills. The grinding heads mainly comprise a ceramic grinding head, a rubber grinding head, a diamond grinding head, an abrasive cloth grinding head and the like, and are mainly used for grinding, nail beautifying, polishing wood, metal and moulds, matching with an electric tool, trimming, polishing, grinding, sanding and the like of more other materials.

The grinding head is divided into forms of a cylinder, a truncated cone, a 60-degree cone, a round-head cone, an elliptical cone, a semispherical and spherical grinding head according to the shape of the head, as shown in figures 11-12, the grinding wheel grinding head comprises a grinding head 9 and a handle 91, the production of the conventional grinding wheel grinding head is manually operated, the process steps are as follows, firstly, glue is injected into a hole of the grinding head 9, then, the bottom end of the handle 91 is inserted into the hole of the grinding head 9, before the handle 91 is inserted, concentricity between the handle 91 and the grinding head 9 needs to be ensured, the step is a key for obtaining good products, then, the glue is heated and cured to obtain the grinding wheel grinding head, the conventional manufacturing process is completely dependent on manpower, the efficiency is low, and the labor cost is high, so that the processing cost is high.

Disclosure of Invention

The embodiment of the invention provides an automatic production process of a grinding wheel head, which aims to solve the technical problems that in the prior art, the grinding wheel head needs to be manually operated to be processed, so that the labor cost is high and the automation degree is low.

The embodiment of the invention adopts the following technical scheme: an automatic production process of a grinding wheel head comprises the following steps:

step 1, automatic feeding of a grinding head: the automatic feeding device is provided with a workbench, a handle feeding assembly, a grinding head feeding assembly, a glue dispensing assembly and a self-centering assembly, wherein the grinding head feeding assembly, the self-centering assembly and the glue dispensing assembly are sequentially arranged on the workbench, the handle feeding assembly is positioned on one side of the grinding head feeding assembly, the self-centering assembly and the glue dispensing assembly, a first circulating assembly is arranged below the tail end of the handle feeding assembly, a first clamping piece is arranged between the glue dispensing assembly and the first circulating assembly, a second circulating assembly is arranged outside the handle feeding assembly and the grinding head feeding assembly and is in sliding fit with the self-centering assembly, a heating assembly is further arranged on the second circulating assembly, a second clamping piece is arranged on one side of the handle feeding assembly, a recovery box is arranged below the second clamping piece, and when the automatic feeding device is used, when a containing groove on a pushing block of the grinding head feeding assembly vertically corresponds to a feed inlet, the grinding head falls into the accommodating groove of the pushing block, the pushing block is pushed by the second cylinder to move towards the discharge port, when the accommodating groove corresponds to the discharge port, the grinding head falls into the discharge port, and the bearing block is gradually pushed to the position below the discharge port by the second electric push rod to fall onto the bearing block along the discharge port;

step 2, self-centering the grinding head and ensuring the concentricity of the insertion connection corresponding to the handle: when the grinding head falls on the bearing block, the pushing cylinder pushes the pushing block, the grinding wheel grinding head enters the lower centering block of the self-centering assembly through the pushing block, the upper centering block is pushed through the third electric push rod to enable the upper centering block to be in contact with the lower centering block, the grinding head is self-centered through the V-shaped grooves in the upper centering block and the lower centering block and corresponds to the handle, and the concentricity of the handle inserted into the grinding head is guaranteed;

and step 3, dispensing in the plug hole of the grinding head: the gear is driven to rotate clockwise by a glue dispensing motor of the glue dispensing assembly, the bearing plate on the rack is driven to move to one side of the self-centering assembly under the meshing of the two gears, and the needle tube is pushed by a fourth electric push rod to perform glue dispensing in the grinding head;

step 4, automatic handle feeding: after dispensing is finished, a dispensing motor drives a gear to rotate anticlockwise, a rack drives a needle tube and a fourth electric push rod on a bearing plate to return to an initial position, a feeding plate is jacked up through a first electric push rod, a handle is driven to ascend through the feeding plate, when the top end of the feeding plate is higher than the inclined surface of a feeding box, the handle can move from the feeding plate to a conveying belt along the inclined surface of the feeding box, the handle can move step by step through the conveying belt, when the handle moves to the pushing plate, the pushing plate is pushed through a first air cylinder, the handle is pushed onto an inclined block through the pushing plate, a belt wheel is driven to rotate through a circulating motor, the placing block is driven by the belt to circularly move around two belt wheels, when the placing block moves to the lower side of the inclined block, the handle is pushed onto the inclined block through the pushing plate, the handle falls into a placing groove on the placing block from the inclined block, and the placing groove is used for bearing the handle;

step 5, inserting the handle into the grinding head: when the handle on the placing block moves to the position below the electric clamping jaw of the first clamping piece, the third air cylinder pushes the supporting plate to descend, so that the electric clamping jaw on the supporting plate clamps the handle on the first circulating assembly, the electric cylinder drives the connecting plate to move to one side of the grinding head, and the handle is inserted into the grinding head through the electric clamping jaw;

and 6, quickly curing the glue: the second circulating assembly drives the self-centering assembly to move to the heating assembly, glue on the grinding head is heated and cured through the heating assembly, the glue in the grinding head is rapidly cured, the grinding head and the handle are integrated, and the required grinding wheel grinding head is obtained;

step 7, automatically discharging and boxing the grinding wheel grinding head: after heating, the grinding head and the handle are moved to one side of the second clamping piece through the second circulating assembly, the handle is clamped through the second clamping piece and moved to the position above the recovery box, and the handle and the grinding head are moved to the recovery box for blanking.

The embodiment of the invention adopts at least one technical scheme which can achieve the following beneficial effects:

firstly, the invention puts the grinding wheel grinding heads on the self-centering assembly in sequence through the grinding head feeding assembly, can carry out self-centering fixed clamping on a plurality of grinding wheel grinding heads through the self-centering assembly, carries out glue dispensing in the grinding wheel grinding heads through the glue dispensing assembly, then sequentially conveys the handle to the first circulating assembly through the handle feeding assembly, moves the handle on the first circulating assembly towards the self-centering assembly through the first clamping member, inserts the handle into the grinding wheel grinding head, ensures the concentricity of the handle inserted into the grinding wheel grinding head through the self-centering assembly, prevents the insufficient concentricity when the handle is inserted into the grinding wheel grinding head, then drives the self-centering assembly to move into the heating assembly through the second circulating assembly, heats the glue on the grinding wheel grinding head through the heating assembly, rapidly solidifies the glue in the grinding wheel grinding head, integrates the grinding wheel grinding head and the handle, moves the grinding wheel grinding head and the handle to one side of the second clamping member through the second circulating assembly after heating, carry out the centre gripping through the second holder to the handle and remove the top of retrieving the box, remove handle and emery wheel bistrique and retrieve the box top, loosen emery wheel bistrique and handle and carry out the unloading, through the cooperation of each part and need not to be processed the reduction cost of labor by the manual work to the emery wheel bistrique, degree of automation is high.

When the pushing block is used, the pushing block is pushed to move towards the discharge port by the second air cylinder, when the accommodating groove on the pushing block corresponds to the feed port up and down, the grinding wheel head falls into the accommodating groove of the pushing block, the pushing block is pushed by the second electric push rod to gradually push the bearing block to the position below the discharge port, the grinding wheel head falls onto the bearing block along the discharge port, and when the bearing block is full of the grinding wheel heads, the pushing block on the pushing plate is pushed by the pushing air cylinder to push the grinding wheel head onto the self-centering assembly by the pushing block, so that the grinding wheel head is fed, and the grinding wheel head feeding device can be suitable for feeding grinding wheels of different shapes.

When the feeding plate is used, the feeding plate is jacked up through the first electric push rod, the handle is driven to ascend through the feeding plate, when the feeding plate is higher than the inclined surface of the feeding box, the handle can move to the conveying belt from the feeding plate along the inclined surface of the feeding box, the handle can be moved gradually through the conveying belt, when the handle moves the pushing plate, the pushing plate is pushed through the first air cylinder, the handle is pushed to the inclined block through the pushing plate, the handle is conveyed to the first circulating assembly through the inclined block, automatic feeding of the handle is achieved, manual feeding is not needed, and labor amount of workers is reduced.

Fourthly, the process design of the invention is ingenious, the connection between the processes is smooth, the automatic feeding of the grinding head is realized, the self-centering of the grinding head is carried out, the concentricity of the insertion connection is ensured by corresponding to the handle, the glue is dispensed in the insertion hole of the grinding head, the handle is automatically fed, the handle is inserted in the grinding head, the glue is rapidly cured, the automatic blanking and boxing of the grinding wheel grinding head are realized, the cooperation of workers is not needed, the production speed of the grinding wheel grinding head is improved, the labor is saved, the production cost is reduced, and the economic benefit is remarkable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic structural view of a handle loading assembly according to the present invention;

FIG. 4 is a partial cross-sectional view of the handle loading assembly of the present invention;

FIG. 5 is a schematic structural view of a feeding assembly of the grinding head of the present invention;

FIG. 6 is a partial sectional view of the feeding assembly of the grinding head of the present invention;

FIG. 7 is a schematic view of a first cycle assembly according to the present invention;

FIG. 8 is a schematic diagram of a dispensing group price structure according to the present invention;

FIG. 9 is a schematic view of the self-centering assembly of the present invention;

FIG. 10 is a schematic view of a first clamping member according to the present invention;

FIG. 11 is a schematic view of a disassembled structure of a grinding wheel head and a handle according to the present invention;

fig. 12 is a schematic view of the assembly connection of the wheel head and the shank of the present invention.

FIG. 13 is a process flow diagram of the present invention.

Reference numerals

The automatic grinding and polishing machine comprises a workbench 1, a handle feeding assembly 2, a feeding box 21, a feeding plate 22, a first electric push rod 23, a conveying belt 24, a first air cylinder 25, a push plate 26, an inclined block 27, a grinding head feeding assembly 3, a first circulating assembly 31, a belt pulley 311, a guide rail 312, a circulating motor 313, a placing block 314, a second circulating assembly 32, a bearing block 33, a second electric push rod 34, a pushing air cylinder 35, a pushing plate 351, a support 36, a placing box 37, a feeding hole 371, a discharging hole 372, a pushing block 38, a second air cylinder 39, a glue dispensing assembly 4, a sliding rail 41, a gear 42, a rack 43, a glue dispensing motor 44, a needle tube 45, a fourth electric push rod 46, a self-centering assembly 5, an upper centering block 51, a lower centering block 52, a support rod 53, a fixing plate 54, a third electric push rod 55, a first clamping piece 6, a support frame 61, an electric cylinder 62, a connecting plate 63, a third air cylinder 64, a support plate 65, an electric push rod 66, a clamping jaw 66, Heating unit 7, second holder 8, recovery box 81, grater 9, handle 91.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

The embodiment of the invention provides an automatic production process of a grinding wheel head, which comprises the following steps:

step 1, automatic feeding of a grinding head: the automatic grinding machine is characterized in that a workbench 1, a handle feeding assembly 2, a grinding head feeding assembly 3, a dispensing assembly 4 and a self-centering assembly 5 are arranged, the grinding head feeding assembly 3, the self-centering assembly 5 and the dispensing assembly 4 are sequentially arranged on the workbench 1, the handle feeding assembly 2 is positioned on one side of the grinding head feeding assembly 3, the self-centering assembly 5 and the dispensing assembly 4, a first circulating assembly 31 is arranged below the tail end of the handle feeding assembly 2, a first clamping piece 6 is arranged between the dispensing assembly 4 and the first circulating assembly 31, a second circulating assembly 32 is arranged outside the handle feeding assembly 2 and the grinding head feeding assembly 3, the second circulating assembly 32 is in sliding fit with the self-centering assembly 5, a heating assembly 7 is further arranged on the second circulating assembly 32, a second clamping piece 8 is arranged on one side of the handle feeding assembly 2, and a recovery box 81 is arranged below the second clamping piece 8, when the accommodating groove on the pushing block 38 corresponds to the feed inlet 371 up and down in use, the grinding head falls into the accommodating groove of the pushing block 38, the pushing block 38 is pushed by the second cylinder 39 to move the pushing block 38 towards the direction of the discharge port 372, when the accommodating groove corresponds to the discharge port 372, the grinding head falls into the discharge port 372, the bearing block 33 is gradually pushed to the lower part of the discharge port 372 by the second electric push rod 34, and the grinding head falls onto the bearing block 33 along the discharge port 372;

step 2, self-centering the grinding head and ensuring the concentricity of the insertion connection corresponding to the handle: when the grinding heads fall on the bearing block 33, the pushing cylinder 35 pushes the pushing block, the grinding heads of the grinding wheels are all led to enter the V-shaped grooves for lower centering through the pushing block, the upper centering block 51 is pushed through the third electric push rod 55 to make the upper centering block 51 contact with the lower centering block, the grinding heads are self-centered through the V-shaped grooves in the upper centering block 51 and the lower centering block 52 to correspond to the handle, the concentricity of the handle inserted into the grinding heads is ensured, insufficient concentricity is prevented when the handle is inserted into the grinding heads, and the grinding heads with different shapes can be adapted through the upper centering block 51 and the lower centering block 52;

and step 3, dispensing in the plug hole of the grinding head: the gear 42 is driven to rotate along the clockwise direction by the glue dispensing motor 44, the bearing plate on the rack 43 is driven to move to one side of the self-centering assembly 5 under the meshing of the two gears 42, and the needle tube 45 is pushed by the fourth electric push rod 46 to perform glue dispensing in the grinding head;

step 4, automatic handle feeding: after dispensing, the dispensing motor 44 drives the gear 42 to rotate counterclockwise, so that the rack 43 drives the needle tube 45 and the fourth electric push rod 46 on the bearing plate to return to the initial position, the feeding plate 22 is pushed up by the first electric push rod 23, the handle is driven by the feeding plate 22 to ascend, when the top end of the feeding plate 22 is higher than the inclined surface of the feeding box 21, the handle moves from the feeding plate 22 to the conveyor belt 24 along the inclined surface of the feeding box 21, the conveyor belt 24 can move the handle step by step, when the handle moves to the push plate 26, the push plate 26 is driven by the first air cylinder 25, the handle is driven by the push plate 26 to the inclined block 27, the belt motor 313 drives the belt pulley 311 to rotate, so that the belt drives the placing block 314 to circularly move around the two belt pulleys 311, when the placing block 314 moves to the lower part of the inclined block 27, the handle is driven by the push plate 26 to the inclined block 27, and the handle falls into the placing groove on the placing block 314 from the inclined block 27, the handle is carried by the placing groove;

step 5, inserting the handle into the grinding head: when the handle on the placing block 314 moves to the lower part of the electric clamping jaw 66, the supporting plate 65 is pushed to descend through the third air cylinder 64, so that the electric clamping jaw 66 on the supporting plate 65 clamps the handle on the first circulating assembly 31, the electric cylinder 62 drives the connecting plate 63 to move to one side of the grinding head, and the handle is inserted into the grinding head through the electric clamping jaw 66;

and 6, quickly curing the glue: the second circulating assembly 32 drives the self-centering assembly 5 to move to the heating assembly 7, glue on the grinding head is heated through the heating assembly 7, the glue in the grinding head is rapidly cured, and the grinding head and the handle are integrated;

step 7, automatically discharging and boxing the grinding wheel grinding head: after heating, the second circulating assembly 32 moves the grinding head and the handle to one side of the second clamping member 8, the handle is clamped by the second clamping member 8 and moves to the upper part of the recovery box 81, and the handle and the grinding head are moved to the recovery box 81 for blanking.

When in use, the grinding heads 9 are sequentially placed on the self-centering assembly 5 through the grinding head feeding assembly 3, a plurality of grinding wheel grinding heads can be self-centered and fixedly clamped through the self-centering assembly 5, the grinding wheel grinding heads are subjected to glue dispensing through the glue dispensing assembly 4, the handles 91 are sequentially conveyed onto the first circulating assembly 31 through the handle feeding assembly 2, the handles on the first circulating assembly 31 are moved towards the self-centering assembly 5 through the first clamping piece 6 and are inserted into the grinding wheel grinding heads, the concentricity of the handles inserted into the grinding wheel grinding heads is ensured through the self-centering assembly 5, the condition that the concentricity is not enough when the handles are inserted into the grinding wheel grinding heads is prevented, the self-centering assembly 5 is driven by the second circulating assembly 32 to move into the heating assembly 7, glue on the grinding wheel grinding heads is heated through the heating assembly 7, the glue in the grinding wheel grinding heads is rapidly cured, and the grinding wheels and the handles are integrated, the grinding wheel grinding head and the handle are moved to one side of the second clamping piece 8 through the second circulating assembly 32 after the heating is finished, the handle is clamped through the second clamping piece 8 to move to the position above the recycling box 81, the handle and the grinding wheel grinding head are moved to the position above the recycling box 81, the grinding wheel grinding head and the handle are loosened to carry out blanking, the grinding wheel grinding head is not required to be processed manually through the matching of all parts, the production efficiency is improved, and the labor cost is reduced.

Preferably, the handle feeding assembly 2 comprises a feeding box 21, a feeding plate 22, a first electric push rod 23 and a conveyor belt 24, the feeding box 21 is arranged in the second circulation assembly 32, an opening is formed in the feeding box 21, an inclined surface is arranged at one end of the feeding box 21, the feeding plate 22 is arranged at the opening of the feeding box 21, an inclined surface is arranged at the end part of the feeding plate 22, the first electric push rod 23 is arranged at the bottom of the feeding plate 22, the output end of the first electric push rod 23 is connected with the bottom of the feeding plate 22, the conveyor belt 24 is arranged at one side of the feeding box 21, a first air cylinder 25 is arranged at one side of the discharging end of the conveyor belt 24, a push plate 26 is arranged at the output end of the first air cylinder 25, an inclined block 27 is arranged at the other side of the discharging end of the conveyor belt 24, the feeding plate 22 is jacked up by the first electric push rod 23 during use, the handle is driven to ascend by the feeding plate 22, the handle will follow feeding plate 22 and move to on the conveyer belt 24 along the inclined plane of material loading box 21, again can progressively remove the handle by conveyer belt 24, when the handle removes push pedal 26, promotes push pedal 26 through first cylinder 25, makes push pedal 26 promote the handle to sloping block 27 on, through sloping block 27 on carrying first circulation subassembly 31 with the handle to the realization carries out automatic feeding to the handle, need not the manual work and carries out the material loading, alleviates personnel's the amount of labour.

Preferably, the first circulating assembly 31 and the second circulating assembly 32 have the same structure, the first circulating assembly 31 includes a belt pulley 311, a guide rail 312, a circulating motor 313 and a placing block 314, the belt pulley 311 is provided with two belt pulleys 311 symmetrically arranged on the surface of the worktable 1, the two belt pulleys 311 are connected by a belt, the guide rail 312 is arranged outside the two belt pulleys 311, the circulating motor 313 is arranged at the lower end of the worktable 1, the output end of the circulating motor 313 is connected with one belt pulley 311 of the two belt pulleys 311, the placing block 314 is arranged on the guide rail 312 and is positioned below the inclined block 27, the placing block 314 is connected with the guide rail 312 and the belt, the placing block 314 is further provided with a plurality of placing grooves, when in use, the belt drives the belt pulley 311 to rotate by the circulating motor 313, so that the belt drives the placing block 314 to circularly move around the two belt pulleys 311, when the placing block 314 moves to the lower part of the inclined block 27, the handle is pushed onto the inclined block 27 through the push plate 26, so that the handle falls into the placing groove on the placing block 314 from the inclined block 27, and the handle is carried by the placing groove, so that the first clamping piece 6 can clamp and insert the handle onto the grinding head conveniently.

Preferably, the grinding head feeding assembly 3 comprises a bearing block 33, a second electric push rod 34, a push cylinder 35, a support 36, a placing box 37, a push block 38 and a second cylinder 39, the bearing block 33 is arranged on the workbench 1 and located on one side of the self-centering assembly 5, the bearing block 33 is provided with a plurality of grooves, the number of the grooves is the same as that of the placing grooves, the second electric push rod 34 is located at one end of the bearing block 33, the output end of the second electric push rod 34 is connected with the bearing block 33, the push cylinder 35 is arranged on one side of the bearing block 33, the output end of the push cylinder 35 is provided with a push plate 351, the push plate 351 is provided with push blocks, the number of the push blocks is the same as that of the grooves, the support 36 is arranged above the bearing block 33, the top end and the bottom of the placing box 37 are provided with a feeding hole 371 and a discharging hole 372, and the feeding hole and the discharging hole 372 are alternately arranged and communicated with the placing box 37, the two sides of the placing box 37 are provided with chutes, the pushing block 38 is arranged inside the placing box 37, the pushing block 38 is internally provided with two accommodating grooves, the two second cylinders 39 are respectively arranged at the left side and the right side of the placing box 37, the output ends of the two second cylinders 39 are connected with the two sides of the pushing block 38, when the two second cylinders 39 are used, when the accommodating grooves on the pushing block 38 correspond to the feed inlet 371 up and down, the grinding wheel head falls into the accommodating groove of the pushing block 38, the pushing block 38 is pushed by the second cylinders 39, the pushing block 38 moves towards the direction of the discharge port 372, when the accommodating grooves correspond to the discharge port 372, the grinding wheel head falls into the discharge port 372, the bearing block 33 is gradually pushed by the second electric push rod 34 to the lower part of the discharge port 372, the grinding wheel head falls into the bearing block 33 along the discharge port 372, and when the grinding wheel head falls on the bearing block 33, the pushing cylinder 35 pushes the pushing block on the pushing plate 351, so that the pushing block pushes the grinding wheel grinding head to the self-centering assembly 5, the grinding head is loaded, and the grinding wheel grinding device is suitable for loading grinding heads of different shapes.

Preferably, the self-centering assembly 5 comprises an upper centering block 51, a lower centering block 52, two support rods 53, a fixing plate 54 and a third electric push rod 55, the upper centering block 51 and the lower centering block 52 are symmetrically arranged up and down, the upper centering block 51 is arranged on the second circulating assembly 32 and is in sliding fit with the second circulating assembly 32, a plurality of V-shaped grooves are respectively arranged on the upper centering block 51 and the lower centering block 52, the two support rods 53 are arranged, the two support rods 53 are symmetrically arranged on two sides of the upper centering block 51 and the lower centering block 52, the upper centering block 51 is movably connected with the support rods 53, the fixing plate 54 is arranged at the end parts of the two support rods 53, the three electric push rods 55 are arranged in two, the two third electric push rods 55 are arranged on the fixing plate 54, the output end parts of the third electric push rods 55 penetrate through the fixing plate 54 and are connected with the upper centering block 51, when the push blocks are to push the lower centering block 52, the grinding heads enter the V-shaped grooves in the lower centering, the upper centering block 51 is pushed through the third electric push rod 55, the upper centering block 51 is in contact with the lower centering block, the grinding heads are self-centered through the V-shaped grooves in the upper centering block 51 and the lower centering block 52 and correspond to the handles, the concentricity of the handles inserted into the grinding heads is guaranteed, the problem that the concentricity is insufficient when the handles are inserted into the grinding heads is solved, and the grinding heads in different shapes can be adapted through the upper centering block 51 and the lower centering block 52.

Preferably, the dispensing assembly 4 includes a sliding rail 41, two gears 42, a rack 43, two dispensing motors 44, a needle tube 45 and a fourth electric push rod 46, the sliding rail 41 is disposed on the surface of the workbench 1, the two gears 42 are disposed between the sliding rails 41, the two gears 42 are engaged with each other, the two racks 43 are disposed, the lower ends of the two racks 43 are in sliding fit with the sliding rail 41, the two racks 43 are engaged with the two gears 42, a bearing plate is further disposed above the racks 43, the dispensing motor 44 is disposed at the lower end of the workbench 1, the output end of the dispensing motor 44 is connected with one gear 42 of the two gears 42, the needle tube 45 and the fourth electric push rod 46 are sequentially disposed on the bearing plate, the number of the needle tube 45 and the number of the fourth electric push rod 46 are the same as the number of the V-shaped grooves on the lower centering block 52, and the needle tube 45 is mounted on the output end of the fourth electric push rod 46, when the grinding wheel grinding head dispensing device is used, the gear 42 is driven to rotate along the clockwise direction by the dispensing motor 44, the bearing plate on the rack 43 is driven to move to one side of the self-centering assembly 5 under the meshing of the two gears 42, the needle tube 45 is pushed by the fourth electric push rod 46 to dispense glue in the grinding wheel grinding head, and the dispensing motor 44 drives the gear 42 to rotate anticlockwise after dispensing is completed, so that the rack 43 drives the needle tube 45 and the fourth electric push rod 46 on the bearing plate to return to the initial positions.

Preferably, the first clamping member 6 and the second clamping member 8 have the same structure, the first clamping member 6 includes two support frames 61, two electric cylinders 62, a connecting plate 63, a third cylinder 64, a support plate 65 and electric clamping jaws 66, the two support frames 61 are arranged on the worktable 1 and located between the glue dispensing assembly 4 and the first circulating assembly 31, the two electric cylinders 62 are arranged on the two support frames 61 respectively, the connecting plate 63 is located between the two electric cylinders 62 and two ends of the connecting plate 63 are connected with the two electric cylinders 62, the third cylinder 64 is arranged at the lower end of the connecting plate 63, an output end of the third cylinder 64 faces downward, the support plate 65 is arranged below the third cylinder 64, one end of the support plate 65 is connected with the output end of the third cylinder 64, the electric clamping jaws 66 are provided with a plurality of electric clamping jaws 66, the electric clamping jaws 66 are sequentially arranged at the other end of the support plate 65, and the number of the electric clamping jaws 66 is the same as that of the placing grooves, when the first circulating assembly 31 moves the handle to the lower part of the electric clamping jaws 66, the third air cylinder 64 pushes the supporting plate 65 to descend, so that the electric clamping jaws 66 on the supporting plate 65 clamp the handle on the first circulating assembly 31, the electric cylinder 62 drives the connecting plate 63 to move to one side of the grinding head, and the handle is inserted into the grinding head through the electric clamping jaws 66.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.