Pneumatic clamping jaw

Abstract

The pneumatic clamping jaw comprises a pneumatic piston, and the pneumatic piston comprises a cylinder body, a cavity formed in the cylinder body, an air inlet formed in one side of the cylinder body and used for communicating the cavity with the outside, a piston rod movably arranged in the cavity and an exhaust port formed in one side of the cylinder body. The clamping jaw part comprises a clamping jaw frame body connected with the cylinder body, a first clamping jaw movably arranged in the clamping jaw frame body and a second clamping jaw symmetrically arranged with the first clamping jaw; one end of the connecting rod part is connected with the piston rod, and the connecting rod part is used for driving the first clamping jaw and the second clamping jaw to clamp or loosen. The pneumatic piston is used for driving the clamping jaws to clamp or loosen, so that stronger clamping force and higher action speed can be provided, and the working efficiency of the clamping jaws can be effectively improved; and meanwhile, the pneumatic piston is used for controlling the clamping jaw, and the clamping jaw force of the clamping jaw can be accurately controlled by controlling air pressure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamping jaw, especially relates to a pneumatic clamping jaw. BACKGROUND

[0002] The main role of the clamping jaw is to simulate human hand, is used for picking up, holding and operating each object, in industrial production, the clamping jaw is widely used with assembly line, packaging line and material handling etc. link, along with the continuous development of science and technology, people's work efficiency requirement in assembly line etc. flow line is continuously improving, the work efficiency of manual clamping jaw is low, is insufficient to meet people's work efficiency requirement.

[0003] Based on the above reasons, it is necessary to improve the prior art. CONTENT OF UTILITY MODEL

[0004] I. technical problem to be solved

[0005] The utility model is in view of prior art exists above-mentioned defect, specially puts forward a kind of pneumatic clamping jaw, to solve the problem raised in above-mentioned background technology.

[0006] To solve above-mentioned technical problem, the utility model provides a kind of pneumatic clamping jaw, including pneumatic piston, the pneumatic piston includes cylinder body, the cavity being set in the cylinder body, the air inlet being set in the one side of the cylinder body and being used to communicate the cavity with outside, piston rod and the air outlet being set in the one side of the cylinder body are movably set in the cavity;

[0007] Clamping jaw part, the clamping jaw part includes the clamping jaw frame body being connected with the cylinder body, first clamping jaw and the second clamping jaw being symmetrically set with the first clamping jaw and being movably set in the clamping jaw frame body;

[0008] Connecting rod part, the connecting rod part one end is connected with the piston rod, and is used to drive the first clamping jaw and the second clamping jaw clamping or loosening.

[0009] In the above technical solution, the L-shaped fixed block is fixedly arranged at the top end of the cylinder body, and a through hole for connection is formed in the L-shaped fixed block.

[0010] In the above technical solution, the piston rod is provided with two and symmetrically arranged in the cylinder body.

[0011] In the above technical solution, a sealing ring is arranged at the connection between the piston rod and the connecting rod part.

[0012] In the above technical solution, a first pin shaft is fixedly arranged on the first clamping jaw, a second pin shaft corresponding to the position of the first pin shaft is arranged on the second clamping jaw, and a pin hole for cooperation with the first pin shaft and the second pin shaft is arranged on the frame body.

[0013] In the technical scheme, the first clamping jaw end is provided with a first chuck abutting against the clamped article, and the second clamping jaw end is provided with a second chuck symmetrically arranged with the first chuck.

[0014] In the technical scheme, the connecting rod part comprises a first connecting rod connected with the piston rod, a rotating shaft rotatably arranged at one end of the first connecting rod, and a second connecting rod and a third connecting rod, one end of the second connecting rod is sleeved on the rotating shaft, the other end of the second connecting rod is rotatably connected with the first clamping jaw, and the other end of the third connecting rod is rotatably connected with the second clamping jaw.

[0015] Advantages

[0016] Compared with the prior art, the utility model discloses the following beneficial effects: the utility model discloses the clamping and loosening of the clamping jaw of pneumatic piston drive, can provide stronger clamping force and faster action speed, can effectively improve the working efficiency of the clamping jaw, and simultaneously using the pneumatic piston control clamping jaw can be accurately controlled the clamping jaw force of clamping jaw through the control of air pressure. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model.

[0018] Fig. 2 It is the sectional structure schematic diagram of the utility model.

[0019] Fig. 3 It is the explosion structure schematic diagram of the utility model.

[0020] In the drawing: 1 is pneumatic piston, 10 is cylinder body, 11 is cavity, 12 is air inlet, 13 is piston rod, 14 is exhaust port, 15 is L type fixed block, 16 is through hole, 17 is sealing ring, 2 is clamping jaw part, 20 is clamping jaw frame body, 21 is first clamping jaw, 22 is second clamping jaw, 200 is pin hole, 210 is first pin shaft, 211 is first chuck, 220 is second pin shaft, 221 is second chuck, 3 is connecting rod part, 30 is first connecting rod, 31 is rotating shaft, 32 is second connecting rod, 33 is third connecting rod. DETAILED DESCRIPTION

[0021] The specific implementation of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0022] Please refer to Figs. 1-3The utility model provides a kind of pneumatic clamping jaw, including pneumatic piston 1, the pneumatic piston 1 includes cylinder body 10, the cavity 11 being arranged in the cylinder body 10, the air inlet 12 being arranged in one side of the cylinder body 10 and being used to communicate the cavity 11 with outside, piston rod 13 being movably arranged in the cavity 11 and exhaust port 14 being arranged in one side of the cylinder body 10;

[0023] Clamping jaw part 2, the clamping jaw part 2 includes the clamping jaw frame 20 being connected with the cylinder body 10, the first clamping jaw 21 being movably arranged in the clamping jaw frame 20 and the second clamping jaw 22 being symmetrically arranged with the first clamping jaw 21;

[0024] Connecting rod part 3, one end of the connecting rod part 3 is connected with the piston rod 13, and is used to drive the first clamping jaw 21 and the second clamping jaw 22 to clamp or loosen.

[0025] In the above structure, when the pneumatic clamping jaw needs to be clamped, gas enters the cavity through the air inlet, and the continuously entering gas is compressed in the cavity to push the piston rod movably arranged inside the cavity to move downward, the piston rod drives the connecting rod part connected to the bottom thereof to move downward synchronously, and the connecting rod part drives the first clamping jaw and the second clamping jaw to clamp, and at the same time, excessive gas can be discharged through the exhaust port, so as to control the air pressure inside the cavity and accurately control the clamping force of the clamping jaw; when the pneumatic clamping jaw needs to be loosened, gas enters the cavity from the exhaust port, and the continuously entering gas is compressed in the cavity to push the piston rod movably arranged inside the cavity to move upward, the piston rod drives the connecting rod part connected to the bottom thereof to move upward synchronously, and the connecting rod part drives the first clamping jaw and the second clamping jaw to separate, the whole pneumatic clamping jaw is controlled by the pneumatic piston to clamp and loosen, so that the pneumatic clamping jaw has stronger clamping force and faster movement speed, thereby increasing the working efficiency of the pneumatic clamping jaw, and at the same time, the clamping force of the pneumatic clamping jaw can be accurately controlled through the control of the gas inside the cavity through the air inlet and the exhaust port.

[0026] Specifically, the cylinder body 10 is fixedly provided with an L-shaped fixing block 15 at the top end, and a through hole 16 for connection is formed in the L-shaped fixing block 15, so that the pneumatic clamping jaw can be better connected to other equipment.

[0027] Specifically, the piston rod 13 is provided with two and symmetrically arranged in the cylinder body 10, so that the overall structure is more compact, and the piston rod can effectively bear and transmit stronger pressure.

[0028] Specifically, a sealing ring 17 is arranged at the connection between the piston rod 13 and the connecting rod part 3, so that the sealing effect of the connection between the piston rod and the connecting rod part is better.

[0029] Specifically, a first pin 210 is fixedly provided on the first gripper 21, and a second pin 220 corresponding to the position of the first pin 210 is provided on the second gripper 22. The frame 20 is provided with a pin hole 200 that cooperates with the first pin 210 and the second pin 220. The first pin and the second pin can respectively limit the first gripper and the second gripper, ensuring that the first gripper and the second gripper will not shift or fall off due to their own movement.

[0030] Specifically, the first gripper 21 has a first clamp 211 at its end that fits into the object being clamped, and the second gripper 22 has a second clamp 221 at its end that is symmetrically arranged with the first clamp 211. Using clamps that fit into the object being clamped can reduce damage to the object being clamped.

[0031] Specifically, the connecting rod part 3 includes a first connecting rod 30 connected to the piston rod 13, a rotating shaft 31 rotatably disposed at one end of the first connecting rod 30, and a second connecting rod 32 and a third connecting rod 33 with one end sleeved on the rotating shaft 31. The other end of the second connecting rod 32 is rotatably connected to the first gripper 21, and the other end of the third connecting rod 33 is rotatably connected to the second gripper 22. The first connecting rod, the second connecting rod, and the third connecting rod work together to transmit the force of the piston rod to the first gripper and the second gripper. The overall structure is simple, easy to maintain, and reduces the manufacturing cost of the overall pneumatic gripper.

[0032] The above are merely preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model.

Claims

1. A pneumatic gripper, characterized in that, include: A pneumatic piston (1) includes a cylinder (10), a cavity (11) disposed in the cylinder (10), an air inlet (12) disposed on one side of the cylinder (10) and used to connect the cavity (11) with the outside, a piston rod (13) movably disposed in the cavity (11), and an exhaust port (14) disposed on one side of the cylinder (10). The gripper part (2) includes a gripper frame (20) connected to the cylinder body (10), a first gripper (21) movably disposed in the gripper frame (20), and a second gripper (22) symmetrically disposed with respect to the first gripper (21). The connecting rod (3) is connected at one end to the piston rod (13) and is used to drive the first gripper (21) and the second gripper (22) to clamp or release.

2. A pneumatic gripper as described in claim 1, characterized in that: An L-shaped fixing block (15) is fixedly installed at the top of the cylinder (10), and a through hole (16) for connection is provided on the L-shaped fixing block (15).

3. A pneumatic gripper as described in claim 1, characterized in that: Two piston rods (13) are provided and are symmetrically arranged in the cylinder (10).

4. A pneumatic gripper as described in claim 1, characterized in that: A sealing ring (17) is provided at the connection between the piston rod (13) and the connecting rod (3).

5. A pneumatic gripper as described in claim 1, characterized in that: The first gripper (21) is fixedly provided with a first pin (210), the second gripper (22) is provided with a second pin (220) corresponding to the position of the first pin (210), and the frame (20) is provided with a pin hole (200) that cooperates with the first pin (210) and the second pin (220).

6. A pneumatic gripper as described in claim 1, characterized in that: The first gripper (21) has a first clamp (211) at its end that fits against the object being gripped, and the second gripper (22) has a second clamp (221) at its end that is symmetrically arranged with the first clamp (211).

7. A pneumatic gripper as described in claim 1, characterized in that: The connecting rod part (3) includes a first connecting rod (30) connected to the piston rod (13), a rotating shaft (31) rotatably disposed at one end of the first connecting rod (30), and a second connecting rod (32) and a third connecting rod (33) with one end sleeved on the rotating shaft (31). The other end of the second connecting rod (32) is rotatably connected to the first gripper (21), and the other end of the third connecting rod (33) is rotatably connected to the second gripper (22).

Images