CN220029386U

CN220029386U - Clamp for special processing

Info

Publication number: CN220029386U
Application number: CN202321405861.9U
Authority: CN
Inventors: 戴天生
Original assignee: Kunming Shenbei Technology Co ltd
Current assignee: Kunming Shenbei Technology Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-11-17
Anticipated expiration: 2033-06-05

Abstract

The utility model relates to the technical field of clamps, in particular to a special processing clamp which comprises a support base, wherein the support base consists of a rectangular sleeve which is horizontally placed and a bottom plate which is fixedly arranged at the bottom of the rectangular sleeve, a clamping assembly is arranged on the rectangular sleeve, the clamping assembly comprises a driving motor which is fixedly arranged on the side surface of the rectangular sleeve and a rack which is in sliding connection with the rectangular sleeve, a gear is fixedly arranged at the tail end of an output shaft of the driving motor, the gear and the rack are meshed with each other, a cooling cylinder is fixedly arranged at the end part of the rack, a clamping plate which is used for tightly propping a workpiece is fixedly arranged on the side surface of the cooling cylinder, an air cylinder is fixedly arranged in the cooling cylinder, a lower pressing plate which is used for clamping the workpiece is fixedly arranged at the tail end of a telescopic shaft of the air cylinder, a rectangular hole which is horizontally arranged is arranged in the rectangular sleeve, and the rack is positioned in the rectangular hole and is in sliding connection with the rectangular hole. The utility model can perform double and multiple fixing operations on the side surfaces, and is firm in fixing and convenient to use.

Description

Clamp for special processing

Technical Field

The utility model relates to the technical field of clamps, in particular to a special processing clamp.

Background

The special workpiece is a workpiece which does not meet the national standard in shape and size and has relatively high preparation precision requirement, and when the special workpiece is processed, the special workpiece is usually processed on a corresponding processing machine tool, and in order to ensure the stability of the special workpiece in the processing process, a corresponding clamp is usually required to be used for clamping operation, and after the special workpiece is clamped and fixed, the workpiece is not easy to displace, so that the processing precision is ensured and the error is reduced.

The variety of anchor clamps in the market is more, and most anchor clamps all utilize the telescopic shaft extension of cylinder or pneumatic cylinder or shorten to realize carrying out the centre gripping operation to the top surface or the side of work piece, when only carrying out the centre gripping operation to the top surface, can not guarantee that the side position also presss from both sides tight spacing operation, if only press from both sides tight operation to the side position, also can not realize pressing from both sides tight fixedly in vertical direction, because the effort of cutter effect on the work piece is great in the course of working, lack the double-clamping of side and top and fix and can appear fixing the condition not firm enough, influence the fixed effect of centre gripping, bring inconvenience for the user. In view of this, we propose a special machining jig.

Disclosure of Invention

The present utility model aims to provide a special processing clamp for solving the above-mentioned drawbacks of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the fixture for special machining comprises a supporting base, wherein the supporting base consists of a rectangular sleeve horizontally placed and a bottom plate fixedly installed at the bottom of the rectangular sleeve, a clamping assembly is arranged on the rectangular sleeve, the clamping assembly comprises a driving motor fixedly installed on the side face of the rectangular sleeve and a rack in sliding connection with the rectangular sleeve, a gear is fixedly installed at the tail end of an output shaft of the driving motor, the gear is meshed with the rack, a cooling cylinder is fixedly installed at the end part of the rack, a clamping plate for tightly propping a workpiece is fixedly installed on the side face of the cooling cylinder, a cylinder is fixedly installed in the cooling cylinder, and a lower pressing plate for clamping the workpiece is fixedly installed at the tail end of a telescopic shaft of the cylinder.

Preferably, the bottom plate is fixedly mounted on the external frame body through a plurality of fastening bolts for supporting the rectangular sleeve.

Preferably, the rectangular sleeve is internally provided with a rectangular hole which is horizontally arranged, the rack is positioned in the rectangular hole and is in sliding connection with the rectangular hole, and the gear is positioned in the rectangular hole, so that the front side and the rear side of the rack are conveniently limited by the hole wall of the rectangular hole.

Preferably, two mutually symmetrical sliding rails are fixedly arranged on the bottom wall of the rectangular hole, two mutually symmetrical sliding grooves are formed in the bottom surface of the rack, and the sliding rails are located in the sliding grooves and are in sliding connection with the sliding grooves, so that horizontal guiding operation of the rack is facilitated.

Preferably, the heat dissipation cylinder is provided with a plurality of heat dissipation holes which are communicated with the outside and used for dissipating heat, so that heat can be dissipated outwards in time.

Preferably, the cross section of the clamping plate is rectangular, and the clamping plate is used for increasing the clamping area between the clamping plate and the workpiece.

Preferably, the top surface of the clamping plate is fixedly provided with a guide rod which is vertically arranged, the lower pressing plate is provided with a guide hole, the guide rod penetrates through the guide hole, the lower pressing plate is in sliding connection with the guide rod, and the lower pressing plate is conveniently guided by the guide rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the supporting base and the clamping assembly, when the clamping device is used, the driving motor can be used for working to drive the rack to move, the clamping plate is used for clamping the side edge of a workpiece, in addition, the air cylinder is used for working to drive the lower pressing plate to move downwards, so that the workpiece is clamped in the vertical direction, the clamping and fixing are ensured to be firmer, and the double fixing effect is achieved.

2. The utility model is beneficial to timely discharging the heat generated by the working of the air cylinder outwards through the heat radiating cylinder and the heat radiating hole, and in addition, the guide rod can guide the movement of the lower pressing plate, thereby being convenient to use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a portion of the structure of the present utility model;

FIG. 3 is a schematic diagram of an explosive structure according to the present utility model;

fig. 4 is an enlarged view of the utility model at a in fig. 3.

The meaning of each reference numeral in the figures is:

1. a support base; 10. a rectangular sleeve; 11. a bottom plate; 12. a rectangular hole; 121. a slide rail;

2. a clamping assembly; 20. a rack; 21. a chute; 22. a driving motor; 23. a gear; 24. a heat dissipation cylinder; 241. a heat radiation hole; 25. a clamping plate; 251. a guide rod; 26. a cylinder; 27. a lower pressing plate; 28. and a guide hole.

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. 1-4, the present utility model provides a technical solution: the special processing clamp comprises a support base 1, wherein the support base 1 consists of a rectangular sleeve 10 which is horizontally placed and a bottom plate 11 which is fixedly arranged at the bottom of the rectangular sleeve 10, and the bottom plate 11 is fixedly arranged on an external frame body through a plurality of fastening bolts and is used for carrying out support operation on the rectangular sleeve 10;

specifically, be provided with clamping assembly 2 on the rectangle cover 10, clamping assembly 2 includes fixed mounting on the rectangle cover 10 side driving motor 22 and with rectangle cover 10 between sliding connection's rack 20, driving motor 22's output shaft end fixed mounting has gear 23, intermesh between gear 23 and the rack 20, rack 20's tip fixed mounting has a cooling tube 24, fixed mounting has the grip block 25 that is used for supporting tightly the work piece on cooling tube 24's the side, fixed mounting has cylinder 26 in the cooling tube 24, the telescopic shaft end fixed mounting of cylinder 26 has the holding down plate 27 that is used for carrying out the centre gripping to the work piece, guarantee when using, can utilize rack 20 outwards stretch out, realize utilizing grip block 25 to press from both sides tight on the side of work piece, utilize cylinder 26 work, drive holding down plate 27 motion, realize pressing from both sides tight on the top surface of work piece, play dual and a plurality of side fixed effects.

In this embodiment, a rectangular hole 12 is disposed in the rectangular sleeve 10, and the rack 20 is disposed in the rectangular hole 12 and slidably connected with the rectangular hole 12, and the gear 23 is disposed in the rectangular hole 12, so that the front and rear sides of the rack 20 are conveniently limited by using the hole wall of the rectangular hole 12.

Specifically, two mutually symmetrical sliding rails 121 are fixedly mounted on the bottom wall of the rectangular hole 12, two mutually symmetrical sliding grooves 21 are formed in the bottom surface of the rack 20, the sliding rails 121 are located in the sliding grooves 21 and are in sliding connection with the sliding grooves 21, horizontal guiding operation of the rack 20 is facilitated, the sections of the sliding grooves 21 and the sliding rails 121 are semicircular, friction force is reduced due to the semicircular shape, and the rack 20 is enabled to move smoothly.

Further, the heat dissipation cylinder 24 is provided with a plurality of heat dissipation holes 241 communicated with the outside for dissipating heat, so that heat can be dissipated outwards in time.

In addition, the cross section of the clamping plate 25 is rectangular, so that the clamping area between the clamping plate and the workpiece is increased, and the workpiece is clamped more stably.

It should be noted that, the top surface of the clamping plate 25 is fixedly provided with a guide rod 251 which is vertically arranged, the lower pressing plate 27 is provided with a guide hole 28, the guide rod 251 passes through the guide hole 28, and the lower pressing plate 27 is slidably connected with the guide rod 251, so that the lower pressing plate 27 is conveniently guided by the guide rod 251.

It should be noted that, the driving motor 22 and the air cylinder 26 in the present embodiment are conventional techniques, and will not be described herein.

When the special processing clamp is used, the bottom plate 11 is normally and fixedly arranged at the corresponding position on an external machine tool, a workpiece is placed at the center position of the clamping assemblies 2, then the driving motor 22 is connected with an external power supply and enables the external power supply to work, the driving motor 22 works, an output shaft on the driving motor rotates to drive the gear 23 to rotate, the gear 23 rotates to drive the rack 20 meshed with the gear 23 to move, the rack 20 stretches out outwards to drive the clamping plate 25 to clamp the side face of the workpiece, in addition, after the clamping plate 25 is clamped, the air cylinder 26 is started and enabled to work, the air cylinder 26 works, a telescopic shaft on the air cylinder shortens and drives the lower pressing plate 27 to move downwards, the lower pressing plate 27 is pressed on the surface of the workpiece, and double fixing and multiple side faces fixing are achieved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Special type adds clamping apparatus for processing, including supporting base (1), its characterized in that: the supporting base (1) is composed of a rectangular sleeve (10) which is horizontally placed and a bottom plate (11) which is fixedly arranged at the bottom of the rectangular sleeve (10), a clamping assembly (2) is arranged on the rectangular sleeve (10), the clamping assembly (2) comprises a driving motor (22) fixedly arranged on the side face of the rectangular sleeve (10) and a rack (20) which is in sliding connection with the rectangular sleeve (10), a gear (23) is fixedly arranged at the tail end of an output shaft of the driving motor (22), the gear (23) and the rack (20) are meshed with each other, a cooling cylinder (24) is fixedly arranged at the end part of the rack (20), a clamping plate (25) which is used for propping against a workpiece is fixedly arranged on the side face of the cooling cylinder (24), and a pressing plate (27) which is used for clamping the workpiece is fixedly arranged at the tail end of a telescopic shaft of the cylinder (26).

2. The special processing jig according to claim 1, wherein: the bottom plate (11) is fixedly arranged on the external frame body through a plurality of fastening bolts and is used for supporting the rectangular sleeve (10).

3. The special processing jig according to claim 1, wherein: rectangular holes (12) which are horizontally arranged are formed in the rectangular sleeve (10), the racks (20) are located in the rectangular holes (12) and are connected with the rectangular holes (12) in a sliding mode, and the gears (23) are located in the rectangular holes (12).

4. A special machining jig according to claim 3, wherein: two mutually symmetrical sliding rails (121) are fixedly arranged on the bottom wall of the rectangular hole (12), two mutually symmetrical sliding grooves (21) are formed in the bottom surface of the rack (20), and the sliding rails (121) are located in the sliding grooves (21) and are in sliding connection with the sliding grooves (21).

5. The special processing jig according to claim 1, wherein: the heat dissipation cylinder (24) is provided with a plurality of heat dissipation holes (241) which are communicated with the outside and used for dissipating heat.

6. The special processing jig according to claim 1, wherein: the section of the clamping plate (25) is rectangular and is used for increasing the clamping area between the clamping plate and a workpiece.

7. The special processing jig according to claim 1, wherein: the clamping plate is characterized in that a guide rod (251) which is vertically arranged is fixedly arranged on the top surface of the clamping plate (25), a guide hole (28) is formed in the lower pressing plate (27), the guide rod (251) penetrates through the guide hole (28), and the lower pressing plate (27) is in sliding connection with the guide rod (251).