1. The automatic production line for the grinding wheel grinding head 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), and the second circulating assembly (32) is in sliding fit with the self-centering assembly (5), the second circulating assembly (32) is further provided with a heating assembly (7), one side of the handle feeding assembly (2) is provided with a second clamping piece (8), and a recovery box (81) is arranged below the second clamping piece (8).

2. The automatic production line for the grinding wheel grinding heads 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).

3. The automatic production line of grinding wheel grinding heads according to claim 2, characterized in that the first circulating assembly (31) and the second circulating assembly (32) are identical in 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 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 below the oblique 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.

4. The automatic production line for the grinding wheel grinding heads according to claim 1, characterized in that the grinding head feeding assembly (3) comprises a bearing block (33), a second electric push rod (34), a push cylinder (35), a bracket (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 at 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 at 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 as that of the 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).

5. The automatic production line for the grinding wheel grinding head according to claim 3, characterized in that 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 support rods (53) are provided with two, 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 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).

6. The automatic production line for the grinding wheel grinding head according to claim 5, 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).

7. The automatic production line for the grinding wheel grinding head according to claim 3, 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 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), 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 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, 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 solidified, and the grinding wheel grinding head is obtained.

Disclosure of Invention

The embodiment of the invention provides an automatic production line for grinding wheel grinding heads, which aims to solve the technical problems that in the prior art, the grinding wheel grinding head processing requires manual work to operate the grinding wheel grinding head, the labor cost is high, and the automation degree is low.

The embodiment of the invention adopts the following technical scheme: the utility model provides an emery wheel bistrique automatic production line, includes workstation, handle material loading subassembly, bistrique material loading subassembly, point and glues the subassembly and from centering subassembly, the first material loading subassembly of mill, arrange in proper order from centering subassembly and point and glue the subassembly and set up on the workstation, the handle material loading subassembly is located the first material loading subassembly of mill, from centering subassembly and one side of gluing the subassembly, and the terminal below of handle material loading subassembly is equipped with first circulation subassembly, it is equipped with first holder to glue between subassembly and the first circulation subassembly, and the outside that is located handle material loading subassembly and bistrique material loading subassembly is equipped with second circulation subassembly, and second circulation subassembly and from centering subassembly sliding fit, still be equipped with heating element on the second circulation subassembly, the one side that is located handle material loading subassembly is equipped with the second holder, and the below of second holder is equipped with retrieves the box.

Further, handle material loading subassembly includes material loading case, delivery sheet, first electric putter and conveyer belt, material loading case sets up in second circulation subassembly to material loading case inside is equipped with the opening, and one of material loading case serves and is equipped with the inclined plane, and material loading case opening part is equipped with the delivery sheet, and the tip of delivery sheet is equipped with the inclined plane, and the bottom of delivery sheet is equipped with first electric putter, and first electric putter's output is connected with the bottom of delivery sheet, the conveyer belt is located one side of material loading case, and is located one side of conveyer belt unloading end and is equipped with first cylinder, and is equipped with the push pedal on the output of first cylinder, is located and is equipped with the sloping block on the opposite side of conveyer belt unloading end.

Further, first circulation subassembly is the same with second circulation subassembly structure, first circulation subassembly includes belt pulley, guide rail, circulating motor and places the piece, the belt pulley is equipped with two and is the symmetry and sets up on the surface of workstation, and two belt pulleys are connected by the belt, the guide rail sets up the outside at two belt pulleys, circulating motor sets up the lower extreme at the workstation, and one belt pulley connection in circulating motor's the output and two belt pulleys, place the piece and set up on the guide rail and be located the below of sloping block to place the piece and all be connected with guide rail and belt, place and still be equipped with a plurality of standing groove on the piece.

Further, the grinding head feeding assembly comprises a bearing block, a second electric push rod, a pushing cylinder, a support, a placing box, a pushing block and a second cylinder, the bearing block is arranged on the workbench and located on one side of the self-centering assembly, the bearing block 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 is located at one end of the bearing block, the output end of the second electric push rod is connected with the bearing block, the pushing cylinder is arranged on one side of the bearing block, the output end of the pushing cylinder is provided with the pushing plate, the pushing plate is provided with the pushing blocks with the same number as that of the grooves, the support is arranged above the bearing block, the top end and the bottom of the placing box are provided with a feeding port and a discharging port, the feeding port and the discharging port are arranged in a staggered mode and communicated with the placing box, the two sides of the placing box are provided with sliding grooves, the pushing blocks are arranged inside the placing box, and promote the inside holding tank that is equipped with of piece, the second cylinder is equipped with two, and two second cylinders set up respectively in the left and right sides of placing the box, and the output of two second cylinders is connected with the both sides that promote the piece.

Further, from centering subassembly including centering piece, bracing piece, fixed plate and third electric putter down, go up centering piece and centering piece down and be symmetry setting from top to bottom, go up centering piece setting on second circulation subassembly and with second circulation subassembly sliding fit to go up and all be equipped with a plurality of V-arrangement groove on centering piece and the centering piece down, the bracing piece is equipped with two, and two bracing pieces are the symmetry and set up in the both sides of last centering piece and centering piece down, and go up centering piece and bracing piece swing joint, the fixed plate sets up the tip at two bracing pieces, third electric putter is equipped with two, and two third electric putter sets up on the fixed plate and third electric putter's output passes the fixed plate and is connected with last centering piece.

Further, the subassembly is glued to point includes slide rail, gear, rack, point and glues motor, needle tubing and fourth electric putter, the slide rail sets up on the surface of workstation, the gear is equipped with two, and two gears are located between the slide rail, and two gears intermeshing, the rack is equipped with two, the lower extreme and the slide rail sliding fit of two racks, and two racks and two gear engagement, and the top of rack still is equipped with the loading board, the point is glued the motor and is set up the lower extreme at the workstation, and a gear connection in the output of point and two gears, needle tubing and fourth electric putter set gradually on the loading board, and needle tubing and fourth electric putter's quantity and the V-arrangement groove quantity on the centering piece down are the same, and on needle tubing installation fourth electric putter's the output.

Further, first holder is the same with the second holder structure, first holder includes support frame, electric jar, connecting plate, third cylinder, backup pad and electronic clamping jaw, the support frame is equipped with two and is to set up on the workstation and be located and glue between subassembly and the first circulation subassembly, the electric jar is equipped with two and sets up respectively on two support frames, the connecting plate is located between two electric jars and the both ends of connecting plate are connected with two electric jars, the third cylinder sets up the lower extreme at the connecting plate, and the output of third cylinder down, the backup pad sets up the one end of below and backup pad at the third cylinder and is connected with the output of third cylinder, electronic clamping jaw is equipped with a plurality of, and a plurality of electronic clamping jaw sets gradually the other end at the backup pad, and the quantity of electronic clamping jaw is the same with the quantity of standing groove.

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.

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.

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 line of a grinding wheel grinding head, which comprises 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 at 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 at one side of the handle feeding assembly 2, and a recovery box 81 is arranged below the second clamping piece 8, 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, then the glue is dispensed in the grinding wheel grinding heads through the glue dispensing assembly 4, then 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 move 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 insufficient when the handles are inserted into the grinding wheels is prevented, then the self-centering assembly 5 is driven by the second circulating assembly 32 to move into the heating assembly 7, glue on the grinding wheels is heated through the heating assembly 7, and the glue in the grinding wheel grinding wheels is rapidly solidified, make emery wheel bistrique and handle be an organic whole, remove one side of second holder 8 with emery wheel bistrique and handle by second circulation subassembly 32 after the heating, carry out the centre gripping through second holder 8 to the handle and remove the top of retrieving box 81, remove handle and emery wheel bistrique to retrieving box 81 top, it carries out the unloading to loosen emery wheel bistrique and handle, cooperation through each part and need not to be processed the emery wheel bistrique by the manual work, the efficiency of production 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, when the feeding plate 22 is higher than the inclined surface of the upper feeding box 21, 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 working principle is as follows: when the grinding wheel grinding head device is used, when the accommodating groove on the pushing block 38 corresponds to the feed port 371 up and down, the grinding head falls into the accommodating groove of the pushing block 38, the pushing block 38 is pushed by the second air cylinder 39 to move towards the direction of the feed port 372, when the accommodating groove corresponds to the feed port 372, the grinding head falls into the feed port 372, the bearing block 33 is pushed to the lower part of the feed port 372 step by the second electric push rod 34, the grinding head falls onto the bearing block 33 along the feed port 372, when the grinding head falls on the bearing block 33, the pushing cylinder 35 pushes the pushing block, the grinding head is pushed onto the lower centering block 52 by the pushing block, the grinding wheel grinding head enters into the V-shaped groove of the lower centering, the upper centering block 51 is pushed by the third electric push rod 55, the upper centering block 51 is contacted with the lower centering block, the grinding head is self-centered by the V-shaped grooves in the upper centering block 51 and the lower centering block 52 to correspond to the handle, ensuring the concentricity of the handle inserted into the grinding head, preventing the lack of concentricity when the handle is inserted into the grinding head, adapting to grinding heads with different shapes through an upper centering block 51 and a lower centering block 52, driving a gear 42 to rotate along a clockwise direction through a glue dispensing motor 44, driving a bearing plate on a rack 43 to move to one side of a self-centering assembly 5 under the meshing of the two gears 42, pushing a needle tube 45 by a fourth electric push rod 46 to perform glue dispensing on the grinding head, driving the gear 42 to rotate by the glue dispensing motor 44 in a counterclockwise direction after the glue dispensing is completed, driving the needle tube 45 and the fourth electric push rod 46 on the bearing plate to return to an initial position through a rack 43, jacking a feeding plate 22 through a first electric push rod 23, driving the handle to rise through the feeding plate 22, and enabling the top end of the feeding plate 22 to be higher than the inclined surface on the upper work bin 21, enabling the handle to move to a conveyor belt 24 from the feeding plate 22 along the inclined surface of the upper work bin 21, the handles are moved step by the conveyor belt 24, when the handles are moved to the push plate 26, the push plate 26 is pushed by the first air cylinder 25, the handles are pushed to the sloping block 27 by the push plate 26, the belt wheel 311 is driven to rotate by the circulating motor 313, the placing block 314 is driven by the belt to perform circulating motion around the two belt wheels 311, when the placing block 314 is moved to the lower part of the sloping block 27, the handles are pushed to the sloping block 27 by the push plate 26, the handles are dropped from the sloping block 27 to the placing groove on the placing block 314, the handles are carried by the placing groove, when the handles on the placing block 314 are moved to the lower part of the electric clamping jaws 66, the support plate 65 is pushed to descend by the third air cylinder 64, the electric clamping jaws 66 on the support plate 65 clamp the handles on the first circulating assembly 31, the connecting plate 63 is moved to one side of the grinding head by the electric cylinder 62, the handles are inserted into the grinding head by the electric clamping jaws 66, the self-centering assembly 5 is driven by the second circulating assembly 32 to move to the heating assembly 7, glue on the grinding head is heated through the heating assembly 7, glue in the grinding head is rapidly cured, the grinding head and the handle are integrated, the grinding head and the handle are moved to one side of the second clamping piece 8 through the second circulating assembly 32 after the glue is heated, the handle is clamped through the second clamping piece 8 and moved to the position above the recycling box 81, and the handle and the grinding head are moved to the recycling box 81 to be subjected to blanking.

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.