CN213703149U

CN213703149U - Pneumatic clamp capable of being freely stretched

Info

Publication number: CN213703149U
Application number: CN202022508404.5U
Authority: CN
Inventors: 胡生平; 杨铁军
Original assignee: Shenzhen Fuyu Chuang Huili Precision Machinery Co ltd
Current assignee: Shenzhen Fuyu Chuang Huili Precision Machinery Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-16
Anticipated expiration: 2030-11-03

Abstract

The utility model relates to the technical field of mechanical parts, and discloses a freely-stretching pneumatic clamp, which comprises a bottom plate, wherein the top of the bottom plate is bolted with a first clamping plate; the utility model discloses an adjusting screw drives the sliding plate and removes, the mode that sliding plate driven cylinder and grip block two removed, the purpose of enlarging the centre gripping distance has been reached, when letting the workman carry out the centre gripping to the work piece of equidimension not, can adjust the centre gripping distance of anchor clamps, the cost of changing anchor clamps has been saved, the application range and the practicality of anchor clamps have been improved, through rotating the connecting rod, make the connecting rod drive the carousel through the cooperation between slider one and the circular spout and rotate, and the carousel drives work piece pivoted mode again, the purpose of rotatable centre gripping work piece has been reached, make the workman carry out centre gripping man-hour to the work piece when using this anchor clamps, can overturn the work piece or spin processing according to the demand, the time of workman with work piece centre gripping again and adjustment has been saved, workman's work efficiency.

Description

Pneumatic clamp capable of being freely stretched

Technical Field

The utility model relates to a machine part technical field specifically is but a free stretching formula air jig.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process.

But now, the stretchable pneumatic clamp can only be replaced by a larger clamp when the distance for clamping the workpiece is larger than the clamping distance because the distance for clamping the workpiece is limited when the stretchable pneumatic clamp is used, further causing a certain cost waste, and the failure to adjust the clamping distance can reduce the practicability and the application range of the clamp to a certain extent, and different workpieces often need to be processed at different positions, even need to be rotationally processed, however, the existing starting clamp cannot rotate after the workpiece is clamped, and the other side of the workpiece needs to be machined, so that the workpiece can only be detached from the clamp and then clamped and adjusted again, and a lot of time is wasted for workers due to repeated clamping and adjustment, further, the work efficiency of workers is affected, and therefore, in order to solve the above problems, a freely stretchable pneumatic clamp is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but free stretching type air jig possesses the advantage that can enlarge centre gripping distance and rotatable centre gripping work piece, has solved present free stretching type air jig can't enlarge the centre gripping distance when using and can't carry out the problem of rotation to the work piece.

In order to achieve the above object, the utility model provides a following technical scheme: the freely-stretching pneumatic clamp comprises a base plate, a first clamping plate is bolted to the top of the base plate, a second clamping plate is arranged on one side of the first clamping plate, a rotary table is symmetrically arranged on the top of the base plate, a first sliding block is symmetrically bolted to one side of the rotary table, circular sliding grooves which are in sliding connection with the first sliding block are formed in one side, close to the rotary table, of the first clamping plate and one side, close to the rotary table, of the second clamping plate, an air cylinder is arranged on the top of the base plate, the output end of the air cylinder is in bolted connection with the second clamping plate through an installation block, a connecting plate is bolted to one side of the air cylinder, an adjusting screw rod is sleeved inside the connecting plate, a threaded plate which is in bolted connection with the base plate is in threaded connection with the surface of the.

Preferably, the inside of connecting plate is embedded to have a bearing, the inside and the adjusting screw of bearing rotate to cup joint.

Preferably, the bottom of the cylinder is bolted with a sliding plate, the top of the bottom plate is bolted with a second sliding block, and the bottoms of the clamping plate II and the sliding plate are both provided with sliding chutes in sliding connection with the second sliding block.

Preferably, a through groove is formed in the first clamping plate, and the through groove is sleeved with the connecting rod.

Preferably, the first clamping plate is symmetrically bolted to a limiting plate at one side far away from the turntable, limiting grooves are formed in the connecting rod and the limiting plate, and a limiting rod clamped with the limiting grooves is arranged at one side far away from the turntable.

Preferably, the thread end of the adjusting screw penetrates through the outer side of the thread plate and is bolted with a rotating hand, and the surface of the rotating hand is provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model realizes the purpose of expanding the clamping distance by driving the sliding plate to move through the adjusting screw rod and driving the air cylinder and the clamping plate to move, so that a worker can adjust the clamping distance of the clamp at any time when clamping workpieces with different sizes, thereby saving the cost for replacing the clamp and effectively improving the application range and the practicability of the clamp;

the utility model discloses a rotate the connecting rod, make the connecting rod drive the carousel through the cooperation between slider one and the circular spout and rotate, and the carousel drives work piece pivoted mode again, has reached rotatable centre gripping work piece's purpose, makes the workman carry out centre gripping man-hour to the work piece using this anchor clamps, can overturn the work piece or spin machining according to the demand, has not only saved the time that the workman gripped the work piece again and adjusted, also effectual work efficiency who improves the workman simultaneously.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view of the first clamping plate and the second clamping plate of the present invention;

fig. 4 is a partially enlarged view of the point B in fig. 3 according to the present invention.

In the figure: 1. a base plate; 2. a first clamping plate; 3. a second clamping plate; 4. a turntable; 5. a first sliding block; 6. a circular chute; 7. a cylinder; 8. a connecting plate; 9. adjusting the screw rod; 10. a thread plate; 11. a bearing; 12. a sliding plate; 13. a second sliding block; 14. a chute; 15. a through groove; 16. a connecting rod; 17. a limiting plate; 18. a limiting groove; 19. a limiting rod; 20. and (6) turning the hand.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a freely stretchable pneumatic clamp includes a bottom plate 1, a first clamping plate 2 is bolted to the top of the bottom plate 1, a second clamping plate 3 is disposed on one side of the first clamping plate 2, a rotary table 4 is symmetrically disposed on the top of the bottom plate 1, a first sliding block 5 is symmetrically bolted to one side of the rotary table 4, circular sliding grooves 6 slidably connected with the first sliding block 5 are disposed on one sides of the first clamping plate 2 and the second clamping plate 3 close to the rotary table 4, an air cylinder 7 is disposed on the top of the bottom plate 1, an output end of the air cylinder 7 is bolted to the second clamping plate 3 through a mounting block, a connecting plate 8 is bolted to one side of the air cylinder 7, an adjusting screw 9 is sleeved inside the connecting plate 8, a threaded plate 10 bolted to the bottom plate 1 is connected to the surface of the adjusting screw 9 through a thread, a connecting rod 16 bolted to the rotary table 4 is disposed inside the first clamping plate 2, the mode that the sliding plate 12 drives the cylinder 7 and the second clamping plate 3 to move achieves the purpose of expanding the clamping distance, and when workers clamp workpieces of different sizes, the clamping distance of the clamp can be adjusted at any time, so that the cost of replacing the clamp is saved, the use range and the practicability of the clamp are effectively improved, the connecting rod 16 is rotated, the connecting rod 16 drives the rotary table 4 to rotate through the matching between the first slider 5 and the circular sliding groove 6, the rotary table 4 drives the workpiece to rotate, the purpose of rotatably clamping the workpiece is achieved, the workers can turn over or rotate the workpiece according to requirements when clamping the workpiece by using the clamp, the time for re-clamping and adjusting the workpiece by the workers is saved, and meanwhile, the work efficiency of the workers is effectively improved.

Further, the inside of connecting plate 8 is embedded to have bearing 11, and bearing 11's inside and adjusting screw 9 rotate to cup joint, through the setting of bearing 11, has played limiting displacement to adjusting screw 9, lets adjusting screw 9 more unobstructed and stable when rotating.

Furthermore, the bottom of the cylinder 7 is bolted with a sliding plate 12, the top of the bottom plate 1 is bolted with a second sliding block 13, the bottoms of the second clamping plate 3 and the sliding plate 12 are respectively provided with a sliding groove 14 which is in sliding connection with the second sliding block 13, and the sliding plates 12, the second sliding block 13 and the sliding grooves 14 are arranged to play a role in positioning and sliding the second clamping plate 3 and the sliding plate 12, so that the second clamping plate 3 and the sliding plate 12 are more stable and smooth when sliding back and forth.

Further, logical groove 15 has been seted up to the inside of grip block one 2, and the inside and the connecting rod 16 cover that lead to groove 15 are established, through the setting that leads to groove 15, have been convenient for the rotation of carousel 4, also let connecting rod 16 can carry out the free rotation in the inside that leads to groove 15 simultaneously.

Further, the clamping plate 2 is symmetrically bolted to one side of the rotating disc 4 away from the limiting plate 17, the limiting groove 18 is formed in the connecting rod 16 and the limiting plate 17, the limiting rod 19 clamped with the limiting groove 18 is arranged on one side of the clamping plate 2 away from the rotating disc 4, and the limiting plate 17, the limiting groove 18 and the limiting rod 19 are arranged to limit the rotating disc 4, so that a worker can limit the rotating disc 4.

Furthermore, the threaded end of the adjusting screw 9 penetrates through the outer side of the threaded plate 10 and is bolted with the rotating hand 20, anti-slip threads are formed on the surface of the rotating hand 20, the adjusting screw 9 can be conveniently rotated by a worker through the arrangement of the rotating hand 20, and the difficulty of the worker in rotating the adjusting screw 9 is effectively reduced.

The working principle is as follows: when the clamping device is used, a workpiece to be clamped can be placed between the first clamping plate 2 and the second clamping plate 3, then the air cylinder 7 is started, clamping can be completed, when the workpiece to be clamped is large and the normal length of the air cylinder 7 cannot meet the requirement, the rotating hand 20 can be rotated reversely, the rotating hand 20 drives the adjusting screw 9 to rotate, when the adjusting screw 9 rotates, the air cylinder 7 can be driven to move through the matching between the second sliding block 13 and the sliding plate 12, after the required position is reached, the rotation is stopped, the purpose of expanding the clamping distance is further achieved, a worker can adjust the clamping distance of the clamp at any time when clamping workpieces with different sizes, the cost of replacing the clamp is saved, and meanwhile, the use range and the practicability of the clamp are effectively improved;

if the clamping workpiece needs to be turned, the limiting rod 19 can be pulled out from the limiting groove 18, then the connecting rod 16 is rotated, the sliding plate 12 drives the rotary table 4 to rotate through the matching between the first sliding block 5 and the circular sliding groove 6, the rotary table 4 can drive the clamped workpiece to rotate when rotating, after the bottom of the workpiece is rotated, subsequent operation can be directly carried out, the purpose of rotatably clamping the workpiece is further achieved, a worker can turn or rotate the workpiece according to requirements when clamping and processing the workpiece by using the clamp, the time for re-clamping and adjusting the workpiece by the worker is saved, and meanwhile, the working efficiency of the worker is effectively improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but free stretching formula air jig, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is bolted with a first clamping plate (2), one side of the first clamping plate (2) is provided with a second clamping plate (3), the top of the bottom plate (1) is symmetrically provided with a turntable (4), one side of the turntable (4) is symmetrically bolted with a first sliding block (5), one sides of the first clamping plate (2) and the second clamping plate (3) close to the turntable (4) are both provided with a circular sliding chute (6) which is in sliding connection with the first sliding block (5), the top of the bottom plate (1) is provided with an air cylinder (7), the output end of the air cylinder (7) is bolted with the second clamping plate (3) through a mounting block, a connecting plate (8) is bolted on one side of the cylinder (7), an adjusting screw (9) is sleeved in the connecting plate (8), the surface of the adjusting screw rod (9) is in threaded connection with a thread plate (10) which is in bolted connection with the bottom plate (1), and a connecting rod (16) bolted with the rotary table (4) is arranged in the clamping plate I (2).

2. A freely stretchable pneumatic jig according to claim 1, characterized in that: the bearing (11) is embedded in the connecting plate (8), and the inside of the bearing (11) is rotatably sleeved with the adjusting screw rod (9).

3. A freely stretchable pneumatic jig according to claim 1, characterized in that: the bottom of the cylinder (7) is bolted with a sliding plate (12), the top of the bottom plate (1) is bolted with a second sliding block (13), and the bottoms of the second clamping plate (3) and the sliding plate (12) are both provided with a sliding groove (14) which is in sliding connection with the second sliding block (13).

4. A freely stretchable pneumatic jig according to claim 1, characterized in that: a through groove (15) is formed in the clamping plate I (2), and the through groove (15) is sleeved with the connecting rod (16).

5. A freely stretchable pneumatic jig according to claim 4, characterized in that: one side symmetry bolt that carousel (4) were kept away from in grip block (2) has spacing board (17), spacing groove (18) have all been seted up to the inside of connecting rod (16) and spacing board (17), one side that carousel (4) were kept away from in grip block (2) is equipped with gag lever post (19) with spacing groove (18) joint.

6. A freely stretchable pneumatic jig according to claim 1, characterized in that: the thread end of the adjusting screw rod (9) penetrates through the outer side of the thread plate (10) and is bolted with a rotating hand (20), and anti-skid grains are arranged on the surface of the rotating hand (20).