1. The clamping device with the detection function for the numerical control machine tool comprises a base, wherein a fixed table (26) is arranged on the outer wall of the top of the base (22), a driving motor is fixed on the outer wall of one side of the fixed table (26) through screws, an output shaft of the driving motor is connected with a lead screw (23) through a coupling, a sliding plate (24) is sleeved on the outer wall of the lead screw (23), an installation block (25) is arranged on the outer wall of the top of the sliding plate (24), and a fixed frame (13) is arranged on the outer wall of the top of the installation block (25), and the clamping device is characterized in that the cross section of the fixed frame (13) is of a regular hexagon structure, threaded holes are formed in the outer walls of two sides of the fixed frame (13), a threaded rod (12) is connected to the inner wall of each threaded hole through a thread, a universal ball (6) is arranged at one end of each threaded rod (12), a pushing block (5) is rotatably connected to the outer wall of the universal ball (6), and the outer walls of the two opposite sides of the pushing block (5) are respectively provided with a first arc-shaped clamping plate (7) and a second arc-shaped clamping plate (11), the inner walls of the first arc-shaped clamping plate (7) and the second arc-shaped clamping plate (11) are respectively provided with fixed grooves (20) distributed in an arc shape at equal intervals, the inner walls of the fixed grooves (20) are provided with fixed cylinders (21), the inner wall of the bottom of each fixed cylinder (21) is provided with a reset spring (14), one end of each reset spring (14), far away from each fixed cylinder (21), is provided with a piston (15), the outer wall of each piston (15) is provided with a connecting rod (16), one end of each connecting rod (16), far away from each piston (15), is provided with a hemispherical convex block (18), the outer wall of each hemispherical convex block (18), close to each fixed cylinder (21), is provided with a first contact (17), the outer walls of the two sides of each fixed cylinder (21) are provided with second contacts (19), and first contact (17) and second contact (19) looks adaptation, hemisphere lug (18) and the inner wall of fixed slot (20) form sliding fit, the outer wall of fixed frame (13) is fixed with warning lamp (2) through the screw.

2. Clamping device with detection function for a numerical control machine according to claim 1, characterized in that a connection plate (27) is fixed by screws on one side of the top outer wall of the fixed table (26), and the outer wall of the connection plate (27) is provided with a machine processing head (28).

3. The clamping device with the detection function for the numerical control machine tool according to claim 1, wherein the top inner wall and the bottom inner wall of the fixing frame (13) are provided with a limiting plate (1), the outer wall of the limiting plate (1) is provided with a limiting groove, the inner wall of the limiting groove is slidably connected with a limiting wheel (4), and one end of the limiting wheel (4) far away from the limiting groove is respectively connected with the first arc-shaped clamping plate (7) and the second arc-shaped clamping plate (11).

4. The clamping device with the detection function for the numerical control machine tool according to claim 1, wherein a conical block (9) is arranged on the outer wall of the first arc-shaped clamping plate (7) close to the second arc-shaped clamping plate (11), a conical groove is formed on the outer wall of the second arc-shaped clamping plate (11) close to the first arc-shaped clamping plate (7), and the conical block (9) is matched with the conical groove.

5. The clamping device with the detection function for the numerical control machine tool according to claim 1, wherein the inner walls of the first arc-shaped clamping plate (7) and the second arc-shaped clamping plate (11) are both provided with right-angle grooves (10), and the inner walls of the first arc-shaped clamping plate (7) and the second arc-shaped clamping plate (11) on the side close to the right-angle grooves (10) are provided with anti-skidding grooves (8).

6. The clamping device with the detection function for the numerical control machine tool according to claim 1, wherein a clamping plate (30) is hinged to both the top inner wall and the bottom inner wall of the fixing frame (13), an arc-shaped groove (32) is formed in the bottom outer wall of the clamping plate (30), a first anti-skid protrusion (31) is arranged on the outer wall of one side, close to the arc-shaped groove (32), of the clamping plate (30), and a second anti-skid protrusion (33) is arranged on the inner wall of the arc-shaped groove (32).

7. The clamping device with the detection function for the numerical control machine tool is characterized in that a connecting spring (29) is fixed on the outer wall of the top of the clamping plate (30) through a screw, and one end, far away from the clamping plate (30), of the connecting spring (29) is connected with the inner wall of the fixed frame (13).

8. The clamping device with the detection function for the numerical control machine tool is characterized in that the number of the anti-skid grooves (8) is five to ten, and the five to ten anti-skid grooves (8) are annularly distributed on the inner walls of the first arc-shaped clamping plate (7) and the second arc-shaped clamping plate (11) at equal intervals.

9. The holding device with detection function for the numerical control machine tool according to any one of claims 1 to 8, characterized in that the top outer wall of the fixed table (26) is provided with a groove, the bottom inner wall of the groove is provided with a movable groove, the inner wall of the movable groove is slidably connected with a movable block, and the top outer wall of the movable block is connected with the bottom outer wall of the sliding plate (24).

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system, wherein the control system can logically process a program specified by a control code or other symbolic instructions, decode the program, express the decoded program by coded numbers and input the decoded program into a numerical control device through an information carrier, and the numerical control machine tool often needs to fix a part to be machined by using a fixing mechanism on the numerical control machine tool in the machining process, and the machining of the numerical control machine tool is very important for the firmness of part fixing.

The numerical control machine tool can often produce vibrations at the in-process of processing, and the in-process part of vibrations produces slight not hard up easily, and this kind of not hard up naked eye can't be found easily, and the machining precision of part is probably influenced when the part takes place not to find to influence the processingquality of part.

Disclosure of Invention

The invention provides a clamping device with a detection function for a numerical control machine tool, which has the advantages that workers can judge the fixation firmness of parts according to a warning lamp and can fasten the parts in time, and the machining quality of the parts is improved.

The invention provides a clamping device with a detection function for a numerical control machine tool, which comprises a base, wherein a fixed table is arranged on the outer wall of the top of the base, a driving motor is fixed on the outer wall of one side of the fixed table through a screw, an output shaft of the driving motor is connected with a screw rod through a coupler, a sliding plate is sleeved on the outer wall of the screw rod, an installation block is arranged on the outer wall of the top of the sliding plate, a fixed frame is arranged on the outer wall of the top of the installation block, the cross section of the fixed frame is of a regular hexagon structure, threaded holes are formed in the outer walls of two sides of the fixed frame, a threaded rod is connected to the inner wall of each threaded hole through a screw thread, a universal ball is arranged at one end of each threaded rod, a pushing block is rotatably connected to the outer wall of each universal ball, a first arc-shaped clamping plate and a second arc-shaped clamping plate are respectively arranged on the outer walls of the two opposite sides of the pushing blocks, fixing grooves which are distributed in an arc shape at equal intervals are formed in the inner walls of the first arc-shaped clamping plate and the second arc-shaped clamping plate, and the inner wall of fixed slot is provided with a fixed cylinder, the bottom inner wall of a fixed cylinder is provided with reset spring, and reset spring keeps away from the one end of a fixed cylinder and is provided with the piston, the outer wall of piston is provided with the connecting rod, and the one end that the piston was kept away from to the connecting rod is provided with the hemisphere lug, the hemisphere lug is close to the outer wall of a fixed cylinder and is provided with first contact, the both sides outer wall of a fixed cylinder all is provided with the second contact, and first contact and second contact looks adaptation, the hemisphere lug forms sliding fit with the inner wall of fixed slot, the outer wall of fixed frame has the warning lamp through the fix with screw.

Through the technical scheme: the first arc-shaped clamping plate and the second arc-shaped clamping plate are matched to conveniently clamp and fix the tubular part, when the tubular part is clamped and fixed, because the periphery of the circular tubular part is smooth, the loosening condition is inevitably generated along with the vibration of the machine tool in the fixing process, when the two arc-shaped clamping plates stably clamp the part, the outer wall of the part can extrude the hemispherical convex block to enter the fixed groove, the first contact and the second contact are contacted with each other along with the compression of the spring, the circuit is connected, the reminding lamp is in a lighting state, when the part is loosened, the hemispherical convex block moves outwards under the action of the spring, the first contact and the second contact are not contacted any more, at the moment, the whole circuit is in an open state, the warning lamp no longer lights, and at this moment, the workman can judge the fixed firm nature of part according to the warning lamp, in time makes the fastening, has improved the processingquality of part.

Preferably, a connecting plate is fixed on one side of the outer wall of the top of the fixed table through screws, and a machine tool machining head is arranged on the outer wall of the connecting plate.

Through the technical scheme: the clamped component can be conveniently machined through the machining head of the machine tool.

Preferably, the top inner wall and the bottom inner wall of fixed frame all are provided with the limiting plate, and the outer wall of limiting plate has seted up the spacing groove, the inner wall sliding connection of spacing groove has spacing wheel, and the one end that spacing groove was kept away from to spacing wheel is connected with first arc splint and second arc splint respectively.

Through the technical scheme: first arc splint and second arc splint relative movement's in-process, spacing wheel can slide in the spacing inslot, has improved the stability that first arc splint and second arc splint removed.

Preferably, the outer wall that first arc splint are close to second arc splint is provided with the toper piece, and the outer wall that second arc splint are close to first arc splint has seted up the bell jar, toper piece and bell jar looks adaptation.

Through the technical scheme: when the first arc splint and the second arc splint move relatively, the conical block can be embedded into the conical groove, so that the first arc splint and the second arc splint can be more closely connected in a stirring manner.

Preferably, the right angle groove has all been seted up to the inner wall of first arc splint and second arc splint, and first arc splint and second arc splint have seted up anti-skidding groove near the inner wall of right angle groove one side.

Through the technical scheme: the right-angle groove can be conveniently used for clamping and fixing the part with the cross section in the shape of the regular polygon, the application range of the device is improved, the anti-slip groove can increase the friction force between the circular pipe and the arc-shaped clamping plate, the firmness of clamping the workpiece by the numerical control machine is further improved, and the possibility of sliding the workpiece is reduced.

Preferably, the top inner wall and the bottom inner wall of fixed frame all articulate there is splint, and the bottom outer wall of splint has seted up the arc wall, the outer wall that splint are close to arc wall one side is provided with first anti-skidding arch, and the inner wall of arc wall is provided with second anti-skidding arch.

Through the technical scheme: the clamping plate can assist the outer wall of the workpiece to be clamped under the action of the connecting spring, when the workpiece is clamped in a circular tube shape, the outer wall of the circular tube-shaped workpiece can be embedded into the arc-shaped groove, the second anti-skid protrusions can play a good anti-skid effect, the stability of clamping the circular tube workpiece is improved, when the clamping plate is used for clamping regular polygon columnar workpieces, the first anti-skid protrusions can play a good anti-skid effect, and the stability of clamping the regular polygon columnar workpieces is improved.

Preferably, the top outer wall of splint has a connecting spring through the fix with screw, and the one end that connecting spring kept away from the splint is connected with the inner wall of fixed frame.

Through the technical scheme: the clamping plate can stably clamp the other end of the workpiece under the action of the connecting spring, and the clamping effect is further improved.

Preferably, the number of the anti-slip grooves is five to ten, and the five to ten anti-slip grooves are annularly distributed on the inner walls of the first arc-shaped clamping plate and the second arc-shaped clamping plate at equal intervals.

Through the technical scheme: five to ten design of antiskid groove can greatly increased the frictional force between first arc splint and the second arc splint, can make first arc splint and second arc splint carry out better centre gripping to the pipe form article.

Preferably, the outer wall of the top of the fixed table is provided with a groove, the inner wall of the bottom of the groove is provided with a movable groove, the inner wall of the movable groove is connected with a movable block in a sliding manner, and the outer wall of the top of the movable block is connected with the outer wall of the bottom of the sliding plate.

Through the technical scheme: when the screw rod rotates, the screw rod can drive the sliding plate to move and rotate, the movable block can firmly limit the sliding plate, and the sliding plate can only slide along the movable groove.

The beneficial effects of the invention are as follows:

1. the clamping device with the detection function for the numerical control machine tool is provided with a first arc-shaped clamping plate, a second arc-shaped clamping plate, a hemispherical convex block, a spring, a first contact, a second contact and a reminding lamp, wherein the first arc-shaped clamping plate and the second arc-shaped clamping plate are matched to conveniently clamp and fix a tubular part, when the tubular part is clamped and fixed, the periphery of the tubular part is smooth, the loosening condition is inevitably generated along with the vibration of a machine tool in the fixing process, when the two arc-shaped clamping plates stably clamp the part, the outer wall of the part can extrude the hemispherical convex block to enter a fixed groove, the first contact is contacted with the second contact along with the compression of the spring, a circuit is connected, the reminding lamp is in a lighting state, when the part is loosened, the hemispherical convex block moves outwards under the action of the spring, the first contact is not contacted with the second contact any more, at this moment, the whole circuit is in the condition of disconnection, and the warning lamp no longer lights, and at this moment, the workman can judge the fixed firm nature of part according to the warning lamp, in time makes the fastening, has improved the processingquality of part.

2. This digit control machine tool is with clamping device who has detection function, through being provided with right angle groove and antiskid groove, the setting in right angle groove can conveniently carry out the centre gripping to the part that the cross-section is regular polygon shape fixed, has improved the application scope of device, and the antiskid groove can increase the frictional force between circular tubular product and the arc splint, has further improved the firm nature of digit control machine tool centre gripping work piece, has reduced the gliding possibility of work piece.

3. This digit control machine tool is with clamping device who has detection function, through being provided with splint, first non-slip raised, second non-slip raised and arc wall, splint can assist the centre gripping to the outer wall of work piece under coupling spring's effect, when centre gripping pipe form work piece, the outer wall of pipe form work piece can imbed to the arc wall in, second non-slip raised can play good anti-skidding effect, the stability to pipe work piece centre gripping has been improved, when splint regular polygon column work piece, first non-slip raised can play good anti-skidding effect, the stability of adjusting polygon column work piece centre gripping has been improved, satisfy people's user demand.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a cross-sectional view of an overall structure of a clamping device with a detection function for a numerically-controlled machine tool according to the present invention;

FIG. 2 is a perspective view of the overall structure of a clamping device with detection function for a numerically controlled machine tool according to the present invention;

FIG. 3 is a side view of a fixing frame structure of a clamping device with a detection function for a numerically-controlled machine tool according to the present invention;

FIG. 4 is an enlarged schematic structural view of a clamping device A with a detection function for a numerically controlled machine tool according to the present invention;

FIG. 5 is a perspective view of a clamping plate structure of a clamping device with a detection function for a numerically controlled machine tool according to the present invention;

fig. 6 is an enlarged schematic structural diagram of a clamping device B with a detection function for a numerically-controlled machine tool according to the present invention.

In the figure: 1-a limiting plate, 2-a warning light, 3-a limiting groove, 4-a limiting wheel, 5-a pushing block, 6-a universal ball, 7-a first arc-shaped clamping plate, 8-an anti-slip groove, 9-a cone-shaped block, 10-a right-angle groove, 11-a second arc-shaped clamping plate, 12-a threaded rod, 13-a fixing frame, 14-a reset spring, 15-a piston, 16-a connecting rod, 17-a first contact, 18-a hemispherical bump, 19-a second contact, 20-a fixing groove, 21-a fixing cylinder, 22-a base, 23-a screw rod, 24-a sliding plate, 25-a mounting block, 26-a fixing table, 27-a connecting plate, 28-a machine tool head, 29-a connecting spring, 30-a clamping plate, 31-a first anti-slip bump, 31-a connecting plate, 32-arc groove, 33-second anti-slip bulge.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, a clamping device with a detection function for a numerical control machine tool comprises a base, a fixed table 26 is arranged on the outer wall of the top of the base 22, a driving motor is fixed on the outer wall of one side of the fixed table 26 through a screw, the output shaft of the driving motor is connected with a lead screw 23 through a coupling, a sliding plate 24 is sleeved on the outer wall of the lead screw 23, an installation block 25 is arranged on the outer wall of the top of the sliding plate 24, a fixed frame 13 is arranged on the outer wall of the top of the installation block 25, the cross section of the fixed frame 13 is of a regular hexagon structure, threaded holes are formed in the outer walls of two sides of the fixed frame 13, a threaded rod 12 is connected on the inner wall of each threaded hole through a thread, a universal ball 6 is arranged at one end of the threaded rod 12, a pushing block 5 is rotatably connected on the outer wall of the universal ball 6, and a first arc-shaped clamping plate 7 and a second arc-shaped clamping plate 11 are respectively arranged on the outer wall of the opposite side of the two pushing blocks 5, the inner walls of the first arc-shaped clamping plate 7 and the second arc-shaped top clamping plate 11 are both provided with fixing grooves 20 distributed in an arc shape with equal distance, the inner wall of each fixing groove 20 is provided with a fixing cylinder 21, the inner wall of the bottom of the fixing cylinder 21 is provided with a return spring 14, one end of the return spring 14, which is far away from the fixing cylinder 21, is provided with a piston 15, the outer wall of the piston 15 is provided with a connecting rod 16, one end of the connecting rod 16, which is far away from the piston 15, is provided with a hemispherical convex block 18, the outer wall of the hemispherical convex block 18, which is close to the fixing cylinder 21, is provided with a first contact 17, the outer walls of the two sides of the fixing cylinder 21 are both provided with second contacts 19, the first contact 17 and the second contacts 19 are matched, the hemispherical convex block 18 and the inner wall of the fixing groove 20 form a sliding fit, the outer wall of the fixing frame 13 is fixed with a warning lamp 2 through screws, the situation that loosening is bound to be generated along with the vibration of a machine tool during processing, when the two arc-shaped clamping parts stably, the outer wall of part can extrude hemisphere lug 18 and enter into fixed slot 20 in, along with spring 14 is compressed, first contact 17 and the contact of second contact 19, the circuit switch-on, remind lamp 2 to be in the state of lighting, when the part produces not hard up, hemisphere lug 18 outwards removes under the effect of spring 14, first contact 17 and second contact 19 no longer contact, whole circuit is in the condition of disconnection this moment, remind lamp 2 no longer to light, at this moment, the workman can judge the fixed firm nature of part according to reminding lamp 2, in time make the fastening.

Further, a connecting plate 27 is fixed on one side of the top outer wall of the fixed table 26 through screws, a machine tool machining head 28 is arranged on the outer wall of the connecting plate 27, the top inner wall and the bottom inner wall of the fixed frame 13 are both provided with a limiting plate 1, the outer wall of the limiting plate 1 is provided with a limiting groove, the inner wall of the limiting groove is connected with a limiting wheel 4 in a sliding manner, one end of the limiting wheel 4 far away from the limiting groove is respectively connected with a first arc-shaped clamping plate 7 and a second arc-shaped clamping plate 11, the outer wall of the first arc-shaped clamping plate 7 close to the second arc-shaped clamping plate 11 is provided with a conical block 9, the outer wall of the second arc-shaped clamping plate 11 close to the first arc-shaped clamping plate 7 is provided with a conical groove, the conical block 9 is matched with the conical groove, the inner walls of the first arc-shaped clamping plate 7 and the second arc-shaped clamping plate 11 are both provided with a right-angle groove 10, and the inner walls of the first arc-shaped clamping plate 7 and the second arc-shaped clamping plate 11 close to one side of the right-angle groove 10 are provided with a right-angle groove 8, the top inner wall and the bottom inner wall of fixed frame 13 all articulate there is splint 30, and splint 30's bottom outer wall has seted up arc wall 32, and the outer wall that splint 30 is close to arc wall 32 one side is provided with first anti-skidding arch 31, and the inner wall of arc wall 32 is provided with second anti-skidding arch 33. In the process of relative movement of the first arc-shaped clamping plate 7 and the second arc-shaped clamping plate 11, the limiting wheel 4 can slide in the limiting groove 3, so that the movement stability of the first arc-shaped clamping plate 7 and the second arc-shaped clamping plate 11 is improved; the right-angle groove 10 can be used for conveniently clamping and fixing parts with regular polygonal cross sections, the application range of the device is widened, the anti-slip groove 8 can increase the friction force between the circular pipe and the arc-shaped clamping plate, the firmness of clamping workpieces of the numerical control machine tool is further improved, and the possibility of workpiece sliding is reduced.

Specifically, splint 30's top outer wall has coupling spring 29 through the fix with screw, and coupling spring 29 keeps away from splint 30's one end and is connected with the inner wall of fixed frame 13, the quantity in antiskid groove 8 is five to ten, and five to ten antiskid groove 8 equidistance annular distributions are on the inner wall of first arc splint 7 and second arc splint 11, the recess has been seted up to fixed station 26's top outer wall, and the movable groove has been seted up to the bottom inner wall of recess, the inner wall sliding connection in movable groove has the movable block, the top outer wall of movable block is connected with sliding plate 24's bottom outer wall. The clamping plate 30 can be used for carrying out auxiliary clamping on the outer wall of the workpiece under the action of the connecting spring 29, when the round tubular workpiece is clamped, the outer wall of the round tubular workpiece can be embedded into the arc-shaped groove 32, the second anti-skidding protrusions 33 can play a good anti-skidding effect, the clamping stability of the round tubular workpiece is improved, when the regular polygonal columnar workpiece is clamped by the clamping plate, the first anti-skidding protrusions 31 can play a good anti-skidding effect, and the clamping stability of the regular polygonal columnar workpiece is improved; when the screw rod 23 rotates, the screw rod 23 can drive the sliding plate 24 to move and rotate, and the movable block can firmly limit the sliding plate 24, so that the sliding plate 24 can only slide along the movable groove.

When the machine tool needs to process a circular tubular workpiece, firstly, one end of the workpiece is placed between the first arc-shaped clamping plate 7 and the second arc-shaped clamping plate 11, the threaded rod 12 is rotated, the first arc-shaped clamping plate 7 and the second arc-shaped clamping plate 11 move relatively to clamp and fix the workpiece, the clamping plate 30 can carry out auxiliary clamping on the outer wall of the other end of the workpiece under the action of the connecting spring 29, then one end of the workpiece can be processed by the machine tool processing head 28, loosening is inevitably generated along with the vibration of the machine tool during processing, when the two arc-shaped clamping plates stably clamp the part, the outer wall of the part extrudes the hemispherical convex block 18 to enter the fixed groove 20, the first contact 17 and the second contact 19 are contacted along with the compression of the spring 14, the circuit is connected, the warning lamp 2 is in a lighting state, and when the part loosens, the hemispherical convex block 18 moves outwards under the action of the spring 14, the first contact 17 and the second contact 19 are not contacted any more, the whole circuit is in the disconnected condition at the moment, the reminding lamp 2 is not lightened any more, and at the moment, a worker can judge the fixation firmness of the part according to the reminding lamp 2 and can fasten the part in time.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.