CN219901114U

CN219901114U - Pneumatic clamp

Info

Publication number: CN219901114U
Application number: CN202321275112.9U
Authority: CN
Inventors: 王春珊
Original assignee: Xi'an Jianyang Electromechanical Equipment Co ltd
Current assignee: Xi'an Jianyang Electromechanical Equipment Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-10-27
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a pneumatic clamp, which comprises a support assembly for bearing a workpiece to be fixed, wherein a clamping assembly for clamping and fixing the workpiece is arranged on the support assembly; the clamping assembly comprises two clamping plates symmetrically arranged on the supporting assembly, the supporting assembly is provided with a driving piece, and a linkage piece is arranged between the clamping plates and the driving piece; through arranging the work piece in the top of loading board, restart cylinder, the output of cylinder drives lug and push rod synchronous downstream, finally can drive splint and use pivot on the piece as the centre of a circle rotation for splint conflict can on the work piece, through the cooperation use of splint, interlock spare and driving piece, realized the effect of two splint synchronous operations of a cylinder drive, need not to adopt two cylinders, reduced the input of an equipment, not only reduced use cost, still reduced subsequent maintenance and overhaul the degree of difficulty.

Description

Pneumatic clamp

Technical Field

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

Background

The fixture is used to fix the machining object in the correct position during the machining process to accept the construction or detection.

The patent document with the prior bulletin number of CN218018082U discloses a pneumatic clamp, which comprises a base plate, a first cylinder, a second cylinder, a fixing frame, a first fixing plate and a second fixing plate, wherein the fixing frame is installed in the middle of the base plate, the first cylinder and the second cylinder are respectively installed on two sides of the upper part of the base plate, the first fixing plate is connected with an output shaft of the first cylinder, the second fixing plate is connected with an output shaft of the second cylinder, a first limiting part is arranged between the first cylinder and the first fixing plate, and a second limiting part is arranged between the second cylinder and the second fixing plate. When the fixing device is used, the fixing piece can be placed on the fixing frame, the first fixing plate is driven by the first air cylinder, the second fixing plate is driven by the second air cylinder to limit the fixing piece, and then the fixing piece can be sent to processing equipment or detection equipment for processing or detection.

Although the pneumatic clamp can solve the corresponding technical problems, the first fixing plate is driven by the first air cylinder, and the second fixing plate is driven by the second air cylinder, so that the first fixing plate and the second fixing plate need to be matched through the two air cylinders to complete the limiting operation, the use cost is increased, the maintenance difficulty is increased, and therefore, the pneumatic clamp is provided.

Disclosure of Invention

The utility model aims to provide a pneumatic clamp which is used for solving the problems set forth in the background art.

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

a pneumatic clamp comprising:

the support assembly is used for bearing a workpiece to be fixed, and a clamping assembly used for clamping and fixing the workpiece is arranged on the support assembly;

the clamping assembly comprises two clamping plates symmetrically arranged on the supporting assembly, a driving piece is arranged on the supporting assembly, and a linkage piece is arranged between the clamping plates and the driving piece;

the connecting piece comprises a supporting block arranged on two sides of the supporting component, connecting frames are respectively connected to the front side and the rear side of the supporting block in a rotating mode, two connecting frames are located on the left side and fixedly connected with one clamping plate, two connecting frames are located on the right side and fixedly connected with the other clamping plate, and a hollow frame movably connected with the driving piece is integrally formed at one end, far away from the clamping plate, of the connecting frames.

As the preferable technical scheme, the supporting component comprises a bottom plate, two sides of the top of the bottom plate are fixedly connected with a support, a bearing plate is fixedly connected between the two supports, and one side of the support is fixedly connected with a corresponding support block.

As an optimal technical scheme, the two clamping plates are respectively positioned on two sides above the bearing plate, and rubber pads capable of being contacted with the workpiece are glued at the bottoms of the clamping plates.

As the preferable technical scheme, the driving piece comprises a cylinder arranged at the center of the top of the bottom plate, the output end of the cylinder is fixedly connected with a lug, and push rods capable of penetrating through the inner cavity of the hollow frame are fixedly connected to the front side and the rear side of the lug.

As a preferable technical scheme, the surface of the push rod is in sliding connection with the inner wall surface of the hollow frame.

As the preferable technical scheme, the two ends of the push rod are fixedly connected with the stop blocks, and the diameter of the stop blocks is larger than that of the push rod.

As the preferable technical scheme, the connecting frame is of a V-shaped structure, and the included angle of the connecting frame is larger than ninety degrees.

The utility model has at least the following beneficial effects:

the utility model has the beneficial effects that the workpiece is placed at the top of the bearing plate, the air cylinder is started again, the output end of the air cylinder drives the convex block and the push rod to synchronously move downwards, and finally the clamping plate can be driven to rotate by taking the rotating shaft on the supporting block as the center of a circle, so that the clamping plate can be abutted against the workpiece, the effect of synchronously operating the two clamping plates driven by one air cylinder is realized through the matched use of the clamping plate, the linkage piece and the driving piece, the two air cylinders are not needed, the investment of one device is reduced, the use cost is reduced, and the subsequent maintenance and overhaul difficulty is also reduced.

Drawings

FIG. 1 is a schematic view of a pneumatic clamp according to the present utility model;

FIG. 2 is a schematic perspective view of a pneumatic clamp according to the present utility model;

fig. 3 is a schematic structural perspective view of a clamping assembly of a pneumatic clamp according to the present utility model.

In the figure: 1. a support assembly; 11. a bottom plate; 12. a support; 13. a carrying plate; 2. a clamping assembly; 21. a clamping plate; 211. a rubber pad; 22. a linkage member; 221. a support block; 222. a connecting frame; 223. a hollow frame; 23. a driving member; 231. a cylinder; 232. a bump; 233. a push rod; 234. and a stop block.

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. 1-3, an embodiment of the present utility model provides a pneumatic clamp, including: the clamping device comprises a supporting component 1 for bearing a workpiece to be fixed and a clamping component 2 for clamping and fixing the workpiece, wherein the clamping component 2 is arranged on the supporting component 1; the clamping assembly 2 comprises two clamping plates 21 symmetrically arranged on the supporting assembly 1, a driving piece 23 is arranged on the supporting assembly 1, and a linkage piece 22 is arranged between the clamping plates 21 and the driving piece 23; the linkage piece 22 comprises supporting blocks 221 arranged on two sides of the supporting component 1, connecting frames 222 are rotatably connected to the front side and the rear side of the supporting blocks 221 through rotating shafts, two connecting frames 222 on the left side are fixedly connected with one clamping plate 21, two connecting frames 222 on the right side are fixedly connected with the other clamping plate 21, and one end, away from the clamping plate 21, of each connecting frame 222 is integrally formed with a hollow frame 223 movably connected with the driving piece 23.

The supporting component 1 comprises a bottom plate 11, two sides of the top of the bottom plate 11 are fixedly connected with a supporting seat 12, a bearing plate 13 is fixedly connected between the two supporting seats 12, and one side of the supporting seat 12 is fixedly connected with a corresponding supporting block 221.

Wherein, two clamping plates 21 are respectively positioned at two sides above the bearing plate 13, and rubber pads 211 which can be contacted with a workpiece are glued at the bottoms of the clamping plates 21. The rubber pad 211 can not only increase the friction force between the clamping plate 21 and the workpiece and help to improve the clamping stability of the clamping plate 21, but also protect the workpiece and avoid the phenomenon that the clamping plate 21 directly contacts with the workpiece to cause abrasion on the surface of the workpiece.

The driving member 23 includes an air cylinder 231 installed at the center of the top of the bottom plate 11, the output end of the air cylinder 231 is fixedly connected with a protruding block 232, and the front side and the rear side of the protruding block 232 are horizontally and fixedly connected with a push rod 233 capable of penetrating through the inner cavity of the hollow frame 223.

Wherein the surface of the push rod 233 is slidably coupled to the inner wall surface of the hollow frame 223. By starting the air cylinder 231, the output end of the air cylinder 231 can drive the push rod 233 to move up and down, so that the hollow frame 223 can be pushed by the push rod 233 to move synchronously, and further the connecting frame 222 swings left and right by taking the rotating shaft on the supporting block 221 as the center of a circle.

Wherein, both ends of the push rod 233 are fixedly connected with a stop block 234, and the diameter of the stop block 234 is larger than that of the push rod 233. The stopper 234 can limit the hollow frame 223, and further improve the stability of the sliding connection between the hollow frame 223 and the push rod 233.

The connecting frame 222 has a V-shaped structure, and an included angle of the connecting frame 222 is greater than ninety degrees.

The working principle of the utility model is as follows: placing a workpiece on the top of the bearing plate 13, restarting the air cylinder 231, driving the convex block 232 and the push rod 233 to synchronously move downwards by the output end of the air cylinder 231, sliding the push rod 233 in the inner cavity of the hollow frame 223, pushing the hollow frame 223 and the connecting frame 222 by the push rod 233, enabling the connecting frame 222 to rotate by taking a rotating shaft on the supporting block 221 as a circle center, and enabling the connecting frame 222 to drive the clamping plate 21 to synchronously rotate until the rubber pad 211 is abutted against the workpiece, so that the workpiece can be fixed; in contrast, the cylinder 231 is started again, so that the cylinder 231 drives the lug 232 and the push rod 233 to move upwards, and the workpiece can be unlocked.

None of the utility models are related to the same or are capable of being practiced in the prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pneumatic clamp, comprising:

the support assembly (1) is used for bearing a workpiece to be fixed, and is provided with a clamping assembly (2) used for clamping and fixing the workpiece;

the clamping assembly (2) comprises two clamping plates (21) symmetrically arranged on the supporting assembly (1), a driving piece (23) is arranged on the supporting assembly (1), and a linkage piece (22) is arranged between the clamping plates (21) and the driving piece (23);

the connecting piece (22) comprises supporting blocks (221) arranged on two sides of the supporting component (1), connecting frames (222) are rotatably connected to the front side and the rear side of each supporting block (221), two connecting frames (222) arranged on the left side are fixedly connected with one clamping plate (21), two connecting frames (222) arranged on the right side are fixedly connected with the other clamping plate (21), and one end, far away from the clamping plate (21), of each connecting frame (222) is integrally formed with a hollow frame (223) movably connected with the driving piece (23).

2. A pneumatic clamp according to claim 1, wherein: the support assembly (1) comprises a bottom plate (11), two sides of the top of the bottom plate (11) are fixedly connected with a support (12), a bearing plate (13) is fixedly connected between the two supports (12), and one side of the support (12) is fixedly connected with a corresponding support block (221).

3. A pneumatic clamp as claimed in claim 2, wherein: the two clamping plates (21) are respectively positioned at two sides above the bearing plate (13), and rubber pads (211) which can be contacted with a workpiece are glued at the bottoms of the clamping plates (21).

4. A pneumatic clamp as claimed in claim 2, wherein: the driving piece (23) comprises an air cylinder (231) arranged at the center of the top of the bottom plate (11), a lug (232) is fixedly connected to the output end of the air cylinder (231), and push rods (233) capable of penetrating through the inner cavity of the hollow frame (223) are fixedly connected to the front side and the rear side of the lug (232).

5. A pneumatic clamp as claimed in claim 4, wherein: the surface of the push rod (233) is in sliding connection with the inner wall surface of the hollow frame (223).

6. A pneumatic clamp as claimed in claim 4, wherein: both ends of push rod (233) are fixedly connected with dog (234), the diameter of dog (234) is greater than the diameter of push rod (233).

7. A pneumatic clamp according to claim 1, wherein: the connecting frame (222) is of a V-shaped structure, and an included angle of the connecting frame (222) is larger than ninety degrees.