CN220113165U

CN220113165U - Clamp with eccentric screw for rapidly clamping workpiece

Info

Publication number: CN220113165U
Application number: CN202322758025.5U
Authority: CN
Inventors: 杨毅; 林豪; 赖小春; 陈彬
Original assignee: Chengdu Huahang Yitong Technology Co ltd
Current assignee: Chengdu Huahang Yitong Technology Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2023-12-01
Anticipated expiration: 2033-10-16

Abstract

The utility model discloses a clamp for rapidly clamping a workpiece with eccentric screws, which comprises a base, wherein guide plates are longitudinally and slidably connected in the base, the top surfaces of the guide plates are fixedly connected with two support plates which are in mirror symmetry left and right, the two support plates are slidably connected with the base, the top surface of each support plate is slidably connected with an L-shaped block, the top surface of each L-shaped block is slidably sleeved with an eccentric bolt, the eccentric bolts are in threaded connection with the top surfaces of the support plates, and the rear side of the top surfaces of the base is fixedly connected with a limiting block. According to the utility model, the guide plate is connected in the base in a sliding manner, and the L-shaped block is fixed on the guide plate through the support plate, so that the moving distance of the L-shaped block is increased, and the L-shaped block can clamp and fix workpieces with larger or smaller sizes.

Description

Clamp with eccentric screw for rapidly clamping workpiece

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp with eccentric screws for rapidly clamping a workpiece.

Background

Currently, as the personalized custom demand of the machining industry increases, the demand for non-standard products is gradually increasing.

The non-standard production has the characteristics of individuation of products, diversification of parts, small-batch production and the like, however, when the non-standard product parts are produced, the design and the production are required to meet the requirements of corresponding fixture clamps, and the fixture clamps the parts in the production process.

At present, when a nonstandard product workpiece is processed, an eccentric clamp is generally used for clamping and fixing the workpiece, when the eccentric clamp is used for clamping and fixing the workpiece, the tightness of the clamp is generally adjusted through an eccentric bolt on the adjusting clamp, but the radian of an eccentric end on an eccentric screw is limited, so that the distance that a clamping end on the clamp can move is limited, and the workpiece with the overlarge size difference cannot be clamped and fixed.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a clamp with eccentric screws for rapidly clamping a workpiece.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a clamp with quick clamp work piece of eccentric screw, includes the base, vertical sliding connection deflector in the base, two left and right mirror symmetry's of top surface fixed connection backup pad of deflector, two the backup pad all with base sliding connection, every the top surface of backup pad is each sliding connection L shape piece, every the top surface slip of L shape piece cup joints an eccentric bolt, eccentric bolt threaded connection is in the top surface of backup pad, the top surface rear side fixed connection stopper of base.

As a further description of the above technical solution: the top surface of base is vertically offered two and is controlled mirror symmetry's recess, two backup pad sliding connection respectively in the recess, two run through a logical groove of intercommunication each other jointly between the recess, the deflector sliding cross-under is in logical inslot.

As a further description of the above technical solution: the center level of deflector runs through the screw hole, screw hole internal thread cup joints the screw rod, the one end swivelling joint of screw rod is in the one side inner wall of logical groove, the opposite end swivelling joint through the opposite side inner wall of groove, the terminal fixed wheel that shakes of cup jointing of screw rod.

As a further description of the above technical solution: the bottom walls of the two grooves are longitudinally provided with a first sliding groove respectively, each first sliding groove is internally and respectively connected with a first sliding block in a sliding manner, and the two first sliding blocks are respectively fixed on two sides of the bottom surface of the guide plate.

As a further description of the above technical solution: the top surface of each supporting plate is longitudinally provided with a second sliding groove, each second sliding groove is internally and respectively connected with a second sliding block in a sliding manner, the second sliding blocks are fixed on the bottom surface of the L-shaped block, and springs are abutted between the second sliding grooves and the second sliding blocks.

As a further description of the above technical solution: the top surface of each L-shaped block longitudinally penetrates through a long round hole, the eccentric bolts are sleeved in the long round holes, the top surface of each supporting plate is provided with a thread groove, and the tail ends of the eccentric bolts are in threaded connection with the thread grooves.

The utility model has the following beneficial effects:

compared with the prior art, the clamp with the eccentric screw for rapidly clamping the workpiece is connected with the guide plate in a sliding way through the base, and the L-shaped block is fixed on the guide plate through the support plate, so that the moving distance of the L-shaped block is increased, and the L-shaped block can clamp and fix the workpiece with a larger size or a smaller size.

Drawings

FIG. 1 is a perspective view of the overall structure of a clamp for rapidly clamping a workpiece with an eccentric screw according to the present utility model;

FIG. 2 is a side cross-sectional view of the overall structure of a clamp for rapidly clamping a workpiece with an eccentric screw in accordance with the present utility model;

fig. 3 is a side sectional view showing the connection of the L-shaped block and the support plate of a clamp for rapidly clamping a workpiece with an eccentric screw according to the present utility model.

Legend description:

1. a base; 2. shaking wheel; 3. an L-shaped block; 4. an eccentric bolt; 5. a groove; 6. a through groove; 7. a limiting block; 8. a screw; 9. a first chute; 10. a guide plate; 11. a threaded hole; 12. a first slider; 13. a second chute; 14. a slotted hole; 15. a support plate; 16. a thread groove; 17. a spring; 18. and a second slider.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a clamp for rapidly clamping a workpiece with an eccentric screw: comprises a base 1, a guide plate 10 is longitudinally and slidably connected in the base 1, two support plates 15 which are in mirror symmetry left and right are fixedly connected with the top surface of the guide plate 10, the two support plates 15 are both in sliding connection with the base 1, the top surface of the base 1 is longitudinally provided with two grooves 5 which are in mirror symmetry left and right, the two support plates 15 are respectively and slidably connected in the grooves 5, a through groove 6 which is mutually communicated is jointly penetrated between the two grooves 5, the guide plate 10 is slidably penetrated in the through groove 6, the bottom walls of the two grooves 5 are respectively and longitudinally provided with a first sliding groove 9, each first sliding groove 9 is internally and respectively and slidably connected with a first sliding block 12, the two first sliding blocks 12 are respectively fixed on two sides of the bottom surface of the guide plate 10, the center of the guide plate 10 is horizontally penetrated through a threaded hole 11, the threaded hole 11 is internally and spirally sleeved with a screw rod 8, one end of the screw rod 8 is rotationally connected on one side inner wall of the through groove 6, the other end rotates and passes through the inner wall of the other side of the groove 6, the end of the screw rod 8 is fixedly sleeved with the rocking wheel 2, the top surface of each supporting plate 15 is respectively and slidably connected with an L-shaped block 3, the top surface of each supporting plate 15 is longitudinally provided with a second sliding groove 13, each second sliding groove 13 is internally and respectively and slidably connected with a second sliding block 18, the second sliding blocks 18 are fixedly connected with the bottom surface of the L-shaped block 3, a spring 17 is abutted between the second sliding grooves 13 and the second sliding blocks 18, the top surface of each L-shaped block 3 is slidably sleeved with an eccentric bolt 4, the eccentric bolt 4 is in threaded connection with the top surface of each supporting plate 15, the top surface of each L-shaped block 3 longitudinally passes through a long round hole 14, the eccentric bolt 4 is sleeved in the long round hole 14, the top surface of each supporting plate 15 is provided with a threaded groove 16, the end of the eccentric bolt 4 is in the threaded groove 16, and the rear side of the top surface of the base 1 is fixedly connected with the limiting block 7.

The L-shaped block 3 is fixedly clamped on a workpiece with a larger size or a smaller size by sliding the guide plate 10 in the base 1 and fixing the L-shaped block 3 on the guide plate 10 through the support plate 15, so that the moving distance of the L-shaped block 3 is increased;

working principle: when the clamping device is used, a workpiece to be clamped is firstly placed between the limiting block 7 and the L-shaped block 3, then the rocking wheel 2 is rotated to drive the screw rod 8 to rotate, the screw rod 8 drives the guide plate 10 to move to one side of the workpiece, the guide plate 10 drives the L-shaped block 3 to move to one side of the workpiece, the L-shaped block 3 is attached to the outside of the workpiece, the eccentric bolt 4 is rotated, the protruding end of the eccentric bolt 4 is attached to the inner side of the L-shaped block 3, the protruding end of the eccentric bolt 4 pushes the L-shaped block 3 to be further abutted to the workpiece, and the workpiece is finally fixed.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a clamp with eccentric screw's quick clamp work piece, includes base (1), its characterized in that: the novel structure is characterized in that guide plates (10) are longitudinally and slidably connected in the base (1), two support plates (15) which are in mirror symmetry are fixedly connected to the top surfaces of the guide plates (10), the two support plates (15) are slidably connected with the base (1), each L-shaped block (3) is slidably connected to the top surface of each support plate (15), an eccentric bolt (4) is slidably sleeved on the top surface of each L-shaped block (3), the eccentric bolts (4) are in threaded connection with the top surfaces of the support plates (15), and limiting blocks (7) are fixedly connected to the rear sides of the top surfaces of the base (1).

2. A clamp for rapidly clamping a workpiece with an eccentric screw as recited in claim 1, wherein: two grooves (5) which are in mirror symmetry left and right are longitudinally formed in the top surface of the base (1), the two supporting plates (15) are respectively and slidably connected in the grooves (5), a through groove (6) which is mutually communicated is jointly formed between the two grooves (5), and the guide plate (10) is slidably connected in the through groove (6).

3. A clamp for rapidly clamping a workpiece with an eccentric screw as claimed in claim 2, wherein: the center level of deflector (10) runs through screw hole (11), screw hole (11) internal thread cup joints screw rod (8), the one end swivelling joint of screw rod (8) is in one side inner wall of logical groove (6), the opposite end swivelling joint is passed through the opposite side inner wall of groove (6), the end of screw rod (8) is fixed cup joints rocking wheel (2).

4. A clamp for rapidly clamping a workpiece with an eccentric screw as claimed in claim 2, wherein: the bottom walls of the two grooves (5) are longitudinally provided with a first sliding groove (9), each first sliding groove (9) is internally and respectively connected with a first sliding block (12) in a sliding manner, and the two first sliding blocks (12) are respectively fixed on two sides of the bottom surface of the guide plate (10).

5. A clamp for rapidly clamping a workpiece with an eccentric screw as recited in claim 1, wherein: a second sliding groove (13) is longitudinally formed in the top surface of each supporting plate (15), a second sliding block (18) is connected in each second sliding groove (13) in a sliding mode, the second sliding blocks (18) are fixed on the bottom surface of the L-shaped block (3), and springs (17) are abutted between the second sliding grooves (13) and the second sliding blocks (18).

6. A clamp for rapidly clamping a workpiece with an eccentric screw as recited in claim 1, wherein: each of the L-shaped blocks (3) is longitudinally penetrated through a long round hole (14), the eccentric bolts (4) are sleeved in the long round holes (14), the top surface of each supporting plate (15) is provided with a thread groove (16), and the tail ends of the eccentric bolts (4) are in threaded connection with the thread grooves (16).