CN217552170U

CN217552170U - Small-size work piece clamping device

Info

Publication number: CN217552170U
Application number: CN202123195407.9U
Authority: CN
Inventors: 洪小龙; 范红梅
Original assignee: Suzhou Wentimu Precision Machinery Co ltd
Current assignee: Suzhou Wentimu Precision Machinery Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-10-11
Anticipated expiration: 2031-12-16

Abstract

The utility model belongs to the technical field of clamping devices, in particular to a small-sized workpiece clamping device, which comprises a plate body; a motor is fixedly connected to the inner side wall of the plate body; the output end of the motor is fixedly connected with a screw rod; the lead screw is connected with a sliding block piece in a sliding manner; a first clamping plate is arranged at the bottom end of the sliding block piece; a positioning block is fixedly connected to the bottom end of the plate body; a second clamping plate is arranged at the bottom end of the positioning block; a circular clamping piece is arranged on the second clamping plate; an anti-skid block is fixedly connected inside the second clamping plate; a first elastic part is fixedly connected inside the anti-skid block; one end of the first elastic piece is fixedly connected with a retaining block; output through the motor can make splint slip No. one, and the cooperation is No. two splint carry out the centre gripping to the work piece and is fixed, and the elasticity of elastic component can make the extruded article extrude the work piece to improve the fixity of work piece position, reduce slip and pivoted probability, and then satisfy the centre gripping to small-size work piece.

Description

Small-size work piece clamping device

Technical Field

The utility model belongs to the technical field of clamping device, specific small-size work piece clamping device that says so.

Background

The workpiece refers to a processing object in a machining process, and the workpiece is a product part in a manufacturing process. Also called as finished parts, courseware, hardware and the like.

The clamping device can clamp and fix the workpiece, and the workpiece can be conveniently cut and the like.

In the prior art, the traditional clamping device is simple in structure, cannot clamp and fix small workpieces, and can rotate when a round workpiece is processed, and the small workpiece clamping device is provided.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, solve present prior art, traditional clamping device simple structure can not satisfy fixed to the centre gripping of small-size work piece, can take place the pivoted problem when processing circular workpiece, the utility model provides a small-size work piece clamping device.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a small-sized workpiece clamping device, which comprises a plate body; a motor is fixedly connected to the inner side wall of the plate body; the output end of the motor is fixedly connected with a screw rod; the lead screw is connected with a sliding block piece in a sliding manner; a first clamping plate is arranged at the bottom end of the sliding block piece; a positioning block is fixedly connected to the bottom end of the plate body; a second clamping plate is arranged at the bottom end of the positioning block; a circular clamping piece is arranged on the second clamping plate; an anti-skid block is fixedly connected inside the second clamping plate; a first elastic part is fixedly connected inside the anti-skid block; one end of the first elastic piece is fixedly connected with a retaining block; an extrusion piece is fixedly connected to the retention block; the clamping of the small-sized workpiece is met.

Preferably, the inner part of the antiskid block is fixedly connected with an elastic block; an arc-shaped extrusion plate is fixedly connected inside the elastic block; the arc-shaped extrusion plate is fixedly connected with an extrusion ball; the extrusion ball and the retention block are connected with an elastic rod; a plurality of groups of push rod pieces are fixedly connected inside the elastic block; the problems of sliding and rotating of the workpiece in the machining process are reduced.

Preferably, a second elastic part is fixedly connected inside the second clamping plate; one end of the second elastic piece is fixedly connected with a protection ball; the round workpiece can be prevented from being scratched by the edges and corners of the round clamping piece through the protective balls.

Preferably, a first limiting plate is fixedly connected inside the antiskid block; a second limiting plate is connected to the first limiting plate in a sliding manner; the bottom end of the retaining block is fixedly connected with a second limiting plate; the problem that the first elastic piece is bent in the stretching process is avoided.

Preferably, the bottom end of the positioning block is fixedly connected with a first connecting block; a second connecting block is fixedly connected inside the second clamping plate; the second connecting block corresponds to the first connecting block; conveniently dismantle work through connecting block and No. two connecting blocks.

Preferably, the middle part of the positioning block is fixedly connected with a sealing block; the sealing block is made of rubber; avoid long-term work dust to get into between No. two connecting blocks and the connecting block and increase corrosivity.

Preferably, one end of a limiting rod piece is fixedly connected to the inner side wall of the plate body; the other end of the limiting rod piece is fixedly connected to the side end of the motor; the slider member is prevented from rotating with the rotation of the lead screw.

Preferably, a friction block is arranged on the second clamping plate; a plurality of groups of friction blocks are fixedly connected to the side end of the second clamping plate; the anti-skid property of the plate-shaped workpiece can be improved by the multiple groups of friction blocks.

The utility model has the advantages that:

1. the utility model provides a small-size work piece clamping device can make splint slip No. one through the output of motor, and it is fixed that No. two splint of cooperation carry out the centre gripping to the work piece, and the elasticity of an elastic component can make the extruded article extrude the work piece to improve the fixity of work piece position, reduce slip and pivoted probability, and then satisfy the centre gripping to small-size work piece.

2. The utility model provides a small-size work piece clamping device can make the elastic rod remove through the removal of solid piece and bulldoze the extrusion ball, and the extrusion ball passes through the power extrusion elastic block of elastic rod, and the elasticity of elastic block cooperation one number elastic component can improve the fixity of work piece position, reduces the work piece and appears sliding and pivoted problem in the course of working.

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 application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

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

FIG. 2 is a perspective view of a first clamping plate structure of the present embodiment;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is an enlarged view at C of FIG. 4;

FIG. 6 is a schematic diagram of another embodiment of the structure of the protection ball of the second embodiment;

illustration of the drawings:

1. a plate body; 12. a motor; 13. a lead screw; 14. a slider member; 15. a first clamping plate; 16. positioning blocks; 17. a second splint; 18. a circular clamp; 19. anti-skid blocks; 20. an extrusion; 21. a retention block; 22. a first elastic member; 23. an elastic rod; 24. an elastic block; 25. extruding the ball; 26. an arc-shaped extrusion plate; 27. a pusher member; 28. a second elastic member; 29. a protective ball; 30. a first limiting plate; 31. a second limiting plate; 32. a first connecting block; 33. a second connecting block; 34. a sealing block; 35. a limiting rod piece; 36. a friction block; 37. a rubber block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-5, a small workpiece clamping device includes a plate 1; the inner side wall of the plate body 1 is fixedly connected with a motor 12; the output end of the motor 12 is fixedly connected with a screw 13; the lead screw 13 is connected with a sliding block piece 14 in a sliding way; a first clamping plate 15 is arranged at the bottom end of the sliding block piece 14; a positioning block 16 is fixedly connected to the bottom end of the plate body 1; a second clamping plate 17 is arranged at the bottom end of the positioning block 16; a circular clamping piece 18 is arranged on the second clamping plate 17; an anti-skid block 19 is fixedly connected inside the second clamping plate 17; a first elastic part 22 is fixedly connected inside the antiskid block 19; one end of the first elastic piece 22 is fixedly connected with a retaining block 21; the fixing block 21 is fixedly connected with an extruding part 20; when the clamping device works, a round small workpiece is placed on the round clamping piece 18, the motor 12 is started to enable the lead screw 13 to rotate, the lead screw 13 rotates to enable the sliding block piece 14 to slide, the sliding block piece 14 enables the first clamping plate 15 to slide, the workpiece is clamped and fixed in cooperation with the second clamping plate 17, when the first clamping plate 15 slides, the workpiece extrudes the anti-sliding block 19 and the extruding piece 20, the extruding piece 20 slides, the sliding of the extruding piece 20 enables the fixing block 21 to move, the fixing block 21 moves and further enables the first elastic piece 22 to compress, the elastic force of the first elastic piece 22 enables the extruding piece 20 to fix the workpiece, accordingly, the fixing performance of the position of the workpiece is improved, the sliding and rotating probability is reduced, the plate-shaped workpiece can be placed at the lower end of the round clamping piece 18 to be clamped and fixed, meanwhile, the round and plate-shaped clamping work operation is met, the first clamping plate 15 can slide through the output of the motor 12, the second clamping plate 17 can be used for clamping and fixing the workpiece, the elastic force of the first elastic piece 22 can enable the extruding piece 20 to extrude the workpiece, so that the position of the workpiece is improved, the fixing performance of the workpiece is improved, and the probability of the workpiece is reduced.

An elastic block 24 is fixedly connected inside the antiskid block 19; an arc-shaped extrusion plate 26 is fixedly connected inside the elastic block 24; the arc-shaped extrusion plate 26 is fixedly connected with an extrusion ball 25; the extrusion ball 25 and the retention block 21 are connected with an elastic rod 23; a plurality of groups of push rod pieces 27 are fixedly connected inside the elastic block 24; the removal of retention piece 21 can make elastic rod 23 remove, elastic block 24 and elastic rod 23 are that the rubber material is made, good elasticity has, elastic rod 23's removal can make extrusion ball 25 extrusion arc stripper plate 26, arc stripper plate 26 extrudees elastic block 24 through the power of elastic rod 23, the fixity that work piece position can be improved to elastic block 24's elasticity cooperation one number elastic component 22's elasticity, it slides and pivoted problem appears in the course of working to reduce the work piece, the elasticity of push rod piece 27 can extrude by arc stripper plate 26, cooperation elastic block 24 improves the toughness of elastic rod 23.

A second elastic part 28 is fixedly connected inside the second clamping plate 17; one end of the second elastic element 28 is fixedly connected with a protective ball 29; the elasticity of the second elastic member 28 can improve the elasticity of the protective ball 29, thereby improving the fixing property of the protective ball 29 to the workpiece, and the round workpiece can be prevented from being scratched by the corner of the round clamping member 18 through the protective ball 29.

A first limiting plate 30 is fixedly connected inside the antiskid block 19; the first limiting plate 30 is connected with a second limiting plate 31 in a sliding manner; a second limiting plate 31 is fixedly connected to the bottom end of the retaining block 21; the removal of retention piece 21 can make an elastic component 22 compression, and after the centre gripping work, the elasticity of an elastic component 22 can make retention piece 21 reset, and the removal of retention piece 21 can make No. two limiting plates 31 slide on a limiting plate 30, and the flexible action of an elastic component 22 can be restricted in the cooperation of No. two limiting plates 31 and a limiting plate 30, avoids an elastic component 22 to appear crooked problem at flexible in-process.

A first connecting block 32 is fixedly connected to the bottom end of the positioning block 16; a second connecting block 33 is fixedly connected inside the second clamping plate 17; the second connecting block 33 corresponds to the first connecting block 32; no. two splint 17 need regular maintenance and change, are equipped with the screw thread on connecting block 32 and No. two connecting blocks 33, and No. two splint 17 are installed in the bottom department of locating piece 16 through the screw-thread fit of connecting block 32 and No. two connecting blocks 33, conveniently dismantle work through connecting block 32 and No. two connecting blocks 33.

A sealing block 34 is fixedly connected to the middle part of the positioning block 16; the sealing block 34 is made of rubber; the rubber material of sealed piece 34 has good leakproofness, and sealed piece 34 can avoid the dust to get into between No. two connecting blocks 33 and a connecting block 32, avoids long-term work dust to get into between No. two connecting blocks 33 and a connecting block 32 and increases the corrosivity.

One end of a limiting rod piece 35 is fixedly connected to the inner side wall of the plate body 1; the other end of the limit rod 35 is fixedly connected to the side end of the motor 12; the limiting rod 35 can limit the sliding of the sliding block piece 14, and prevent the sliding block piece 14 from rotating along with the rotation of the screw 13 to influence the sliding clamping action of the first clamping plate 15.

The second clamping plate 17 is provided with a friction block 36; a plurality of groups of friction blocks 36 are fixedly connected to the side end of the second clamping plate 17; the friction blocks 36 are made of plastic frosted materials, the skid resistance of the second clamping plate 17 can be improved through the friction blocks 36, and the skid resistance of the plate-shaped workpiece can be improved through the groups of friction blocks 36.

Example two

Referring to fig. 6, in the first comparative example, as another embodiment of the present invention, the rubber block 37 is fixedly connected inside the second clamping plate 17; when the protective ball 29 is in work, the workpiece extrudes the protective ball 29 to enable the second elastic piece 28 to contract, the elasticity of the second elastic piece 28 enables the protective ball 29 to extrude the workpiece to improve the fixity, the rubber material of the rubber block 37 can reduce the abrasion between the protective ball 29 and the side wall of the second clamping plate 17 when sliding, and the protective ball 29 can be protected through the rubber block 37.

The working principle is as follows: when the clamping device works, a round small workpiece is placed on the round clamping piece 18, the motor 12 is started to enable the lead screw 13 to rotate, the lead screw 13 rotates to enable the sliding block piece 14 to slide, the sliding block piece 14 enables the first clamping plate 15 to slide, the workpiece is clamped and fixed in cooperation with the second clamping plate 17, when the first clamping plate 15 slides, the workpiece extrudes the anti-sliding block 19 and the extruding piece 20, the extruding piece 20 slides, the sliding of the extruding piece 20 enables the fixing block 21 to move, the fixing block 21 moves and further enables the first elastic piece 22 to compress, the elastic force of the first elastic piece 22 enables the extruding piece 20 to fix the workpiece, the fixing performance of the position of the workpiece is improved, the sliding and rotating probability is reduced, the plate-shaped workpiece can be placed at the lower end of the round clamping piece 18 to be clamped and fixed, meanwhile, the round and plate-shaped clamping work operation is met, the first clamping plate 15 can slide through the output of the motor 12, the second clamping plate 17 is used for clamping and fixing the workpiece, and the elastic force of the first elastic piece 22 enables the extruding piece 20 to extrude the extruding piece, the workpiece, the fixing performance of the position of the workpiece is improved, and the probability of the workpiece is reduced; the elastic rod 23 can be moved by the movement of the retaining block 21, the elastic block 24 and the elastic rod 23 are made of rubber materials and have good elasticity, the movement of the elastic rod 23 can enable the extrusion ball 25 to extrude the arc-shaped extrusion plate 26, the arc-shaped extrusion plate 26 extrudes the elastic block 24 through the force of the elastic rod 23, the elasticity of the elastic block 24 is matched with the elasticity of the first elastic piece 22, the position fixing performance of a workpiece can be improved, the sliding and rotating problems of the workpiece in the machining process are reduced, the elasticity of the push rod piece 27 can extrude the arc-shaped extrusion plate 26, and the toughness of the elastic rod 23 is improved by the matching of the elastic block 24; the elasticity of the second elastic member 28 can improve the elasticity of the protective ball 29, thereby improving the fixing property of the protective ball 29 to the workpiece, and the round workpiece can be prevented from being scratched by the corner of the round clamping member 18 through the protective ball 29.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims

1. A small-size work piece clamping device which characterized in that: comprises a plate body (1); the inner side wall of the plate body (1) is fixedly connected with a motor (12); the output end of the motor (12) is fixedly connected with a screw rod (13); the lead screw (13) is connected with a sliding block piece (14) in a sliding way; a first clamping plate (15) is mounted at the bottom end of the sliding block piece (14); a positioning block (16) is fixedly connected to the bottom end of the plate body (1); a second clamping plate (17) is arranged at the bottom end of the positioning block (16); a circular clamping piece (18) is arranged on the second clamping plate (17); an anti-skidding block (19) is fixedly connected inside the second clamping plate (17); a first elastic part (22) is fixedly connected inside the antiskid block (19); one end of the first elastic piece (22) is fixedly connected with a retaining block (21); the fixing block (21) is fixedly connected with an extruding piece (20).

2. A compact workpiece holding device as defined in claim 1, further comprising: an elastic block (24) is fixedly connected inside the antiskid block (19); an arc-shaped extrusion plate (26) is fixedly connected inside the elastic block (24); the arc-shaped extrusion plate (26) is fixedly connected with an extrusion ball (25); the extrusion ball (25) and the retention block (21) are connected with an elastic rod (23); and a plurality of groups of push rod pieces (27) are fixedly connected inside the elastic block (24).

3. A compact workpiece holding device as defined in claim 2, further comprising: a second elastic part (28) is fixedly connected inside the second clamping plate (17); one end of the second elastic piece (28) is fixedly connected with a protective ball (29).

4. A compact workpiece holding device as defined in claim 3, further comprising: a first limiting plate (30) is fixedly connected inside the antiskid block (19); the first limiting plate (30) is connected with a second limiting plate (31) in a sliding manner; and a second limiting plate (31) is fixedly connected to the bottom end of the retaining block (21).

5. A compact workpiece holding device as claimed in claim 4, characterised in that: the bottom end of the positioning block (16) is fixedly connected with a first connecting block (32); a second connecting block (33) is fixedly connected inside the second clamping plate (17); the second connecting block (33) corresponds to the first connecting block (32).

6. A compact workpiece holding device as defined in claim 5, further comprising: a sealing block (34) is fixedly connected to the middle part of the positioning block (16); the sealing block (34) is made of rubber.

7. A compact workpiece holding device as defined in claim 6, further comprising: one end of a limiting rod piece (35) is fixedly connected to the inner side wall of the plate body (1); the other end of the limiting rod piece (35) is fixedly connected with the side end of the motor (12).

8. A compact workpiece holding device as defined in claim 7, further comprising: a friction block (36) is arranged on the second clamping plate (17); a plurality of groups of friction blocks (36) are fixedly connected with the side end of the second clamping plate (17).