Manipulator clamp for compressor piston

Abstract

The utility model belongs to the technical field of machine manufacturing, and relates to a mechanical arm clamp of a compressor piston. The mechanical arm clamp comprises a clamp connecting cylinder body, and a connecting piece used for being fixedly connected with a mechanical arm is arranged at the top of the clamp connecting cylinder body. The piston inner hole anti-skid structure is clamped with the inner hole wall of the compressor piston, the inner hole of the piston can be prevented from being damaged, friction force can be increased, the piston can be clamped more reliably, the device can be switched to different stations of a house through rotation of the front end of the mechanical arm, each station can clamp one piston, and the working efficiency is improved. A plurality of pistons can be clamped at a plurality of stations, the manipulator can transfer the plurality of pistons at one time, the working efficiency of the manipulator can be greatly improved, the auxiliary time is reduced, the structure is simple, the cost is low, the use is convenient and fast, and the working efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical manufacturing technical field relates to a kind of mechanical hand clamp of compressor piston. BACKGROUND

[0002] Compressor piston is in mass production, and the mechanical hand is used to feed and discharge piston, and the workpiece clamping end of the mechanical hand needs a clamp specially used for clamping piston, the existing clamp is easy to damage the inner hole of piston when clamping the inner hole of piston, and the friction is easy to be insufficient when clamping, so as to cause sliding, and the reliability of clamping is general, and the mechanical hand clamps one piston at a time, and the working efficiency is general, and the auxiliary time is long.

[0003] In order to overcome the defects of the prior art, people have explored constantly, and proposed various solutions, such as Chinese patent discloses a kind of clamp device for processing thin-walled cylinder ring parts [application number: 201710180220.0], including piston rod, clamp body and clamping assembly;The clamp body is a stepped cavity columnar body, one end is connected with external numerical control machine tool spindle, the other end is matched with clamping assembly to clamp the part to be processed;The piston rod is located in the cavity of the clamp body, and the end close to the part to be processed is a conical surface;Numerical control machine tool can control the piston rod to move back and forth in axial direction through pneumatic system, so that the clamping assembly clamps or loosens the part to be processed. However, the scheme is not suitable for clamping compressor piston, and has the defects that the inner hole of piston is easy to be damaged, the friction is easy to be insufficient when clamping, the reliability of clamping is general, the working efficiency is general and the auxiliary time is long. SUMMARY

[0004] The utility model aims at the above problem, provide a kind of mechanical hand clamp of compressor piston.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of mechanical hand clamp of compressor piston, including clamp connection cylinder body, the clamp connection cylinder body top is equipped with the connecting piece for being fixed with mechanical hand, clamp connection cylinder body bottom is equipped with clamp connection frame board, clamp connection frame board side is equipped with a plurality of ring array distribution along the center point of clamp connection frame board Gas cylinder piece, the front end of gas cylinder piece is equipped with two clamping jaws driven by gas cylinder piece and can be close to or away from each other, clamping jaw outside is equipped with piston inner hole anti-skid structure, when two clamping jaws are folded and extend into the inner hole of compressor piston and then are separated, the outer wall of piston inner hole anti-skid structure is clamped with the inner hole wall of compressor piston.

[0007] In the above-mentioned mechanical hand clamp of compressor piston, the piston inner hole anti-skid structure includes nylon block arranged on the outside of clamping jaw, and the outer side of nylon block is arc-shaped.

[0008] In the mechanical hand clamp for compressor piston, the nylon block is provided with a mounting groove, and the front end of the clamping jaw is inserted into the mounting groove and is in clamping engagement with the mounting groove.

[0009] In the mechanical hand clamp for compressor piston, the front end of the clamping jaw is provided with two clamping jaw screw holes, and the nylon block is provided with two nylon block screw holes, and when the front end of the clamping jaw is inserted into the mounting groove, the clamping jaw screw holes are opposite to the nylon block screw holes.

[0010] In the mechanical hand clamp for compressor piston, the cylinder member includes a finger cylinder arranged at the side of the clamp connecting frame plate, and the front end of the finger cylinder is provided with two parallel clamping jaws which are symmetrical along the center line of the finger cylinder and are fixedly connected with the clamping jaw.

[0011] In the mechanical hand clamp for compressor piston, the tail portion of the clamping jaw is provided with a clamping jaw mounting body which is integrally formed with the clamping jaw, the cross section of the clamping jaw mounting body is in the shape of a parallelogram, and the parallel clamping jaws and the clamping jaw mounting body are fixedly connected through bolts.

[0012] In the mechanical hand clamp for compressor piston, the parallel clamping jaws are provided with two clamping jaw screw holes, the clamping jaw mounting body is provided with two mounting body screw holes, the positions of the clamping jaw screw holes and the mounting body screw holes are corresponding, and the shapes of the clamping jaw screw holes and the mounting body screw holes are matched.

[0013] In the mechanical hand clamp for compressor piston, the side of the clamp connecting frame plate is provided with six side portions in the shape of a hexagon, and one finger cylinder is arranged on each side portion.

[0014] In the mechanical hand clamp for compressor piston, the bottom of the clamp connecting frame plate is provided with a hollow cavity.

[0015] In the mechanical hand clamp for compressor piston, the connecting member includes a flange plate arranged at the top of the clamp connecting cylinder body, and a plurality of connecting holes are arranged in the flange plate.

[0016] Compared with the prior art, the mechanical hand clamp for compressor piston has the following advantages:

[0017] 1. In the use process, the clamp connecting cylinder body and the manipulator are fixedly connected through the connecting piece, the clamping jaw and the piston inner hole anti-skid structure can be folded or opened through the cylinder piece, when the cylinder piece is supplied with gas, the two clamping jaws and the piston inner hole anti-skid structure are folded, at this time, the two piston inner hole anti-skid structures that are folded extend into the inner hole of the compressor piston, when the cylinder piece is exhausted, the two clamping jaws drive the piston inner hole anti-skid structure to separate, at this time, the two piston inner hole anti-skid structures that are separated can clamp the inner hole of the piston, the piston inner hole anti-skid structure and the inner hole wall of the compressor piston are clamped, the inner hole of the piston can be prevented from being damaged, the friction force can be increased, the piston clamping is more reliable, the device can be switched to different stations of the home through the rotation of the front end of the manipulator, one piston can be clamped at each station, multiple pistons can be clamped at multiple stations, multiple pistons can be transported at one time by the manipulator, the working rate of the manipulator can be greatly improved, auxiliary time is reduced, the structure is simple, the cost is low, the device is convenient and fast to use, and the working efficiency is high.

[0018] 2. The clamp connecting frame plate side in the utility model has six side parts in hexagonal shape, one finger cylinder is arranged on each side part and is fixed through a screw, is set as a regular hexagon, has six stations, one piston can be clamped at each station, six pistons can be clamped at six stations, so that six pistons can be transported at one time by the manipulator, the working rate of the manipulator can be greatly improved, and auxiliary time is reduced.

[0019] Other advantages, objects and features of the utility model will be embodied in part through the following description, and will be understood by those skilled in the art through research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structural schematic diagram of the utility model.

[0021] Figure 2 It is the local structural schematic diagram of the utility model.

[0022] Figure 3 It is the local structural schematic diagram of another direction of the utility model.

[0023] Figure 4 It is the structural schematic diagram of the clamping jaw.

[0024] Figure 5 It is the structural schematic diagram of the nylon block.

[0025] In the figure: clamp connecting cylinder 1, connecting piece 2, flange plate 2a, connecting hole 2a1, clamp connecting frame plate 3, side part 3a, hollow chamber 3b, cylinder piece 4, finger cylinder 4a, parallel air claw 4a1, air claw threaded hole 4a2, clamp jaw 5, clamp jaw threaded hole 5a, clamp jaw mounting body 5b, mounting body threaded hole 5b1, piston inner hole anti-skid structure 6, nylon block 6a, mounting groove 6a1, nylon block threaded hole 6a2. DETAILED DESCRIPTION

[0026] The utility model will be further explained in connection with the drawings below.

[0027] As Figures 1-5 shown in the figure, a mechanical hand clamp for compressor piston, including clamp connecting cylinder 1, the top of clamp connecting cylinder 1 is equipped with connecting piece 2 for being fixedly connected with mechanical hand, the bottom of clamp connecting cylinder 1 is equipped with clamp connecting frame plate 3, the side part of clamp connecting frame plate 3 is equipped with a plurality of cylinder pieces 4 that are distributed in annular array along the center point of clamp connecting frame plate 3, the front end of cylinder piece 4 is equipped with two clamp jaws 5 that are driven by cylinder piece 4 and can approach or move away from each other, the outer side of clamp jaw 5 is equipped with piston inner hole anti-skid structure 6, when two clamp jaws 5 are folded and extended into the inner hole of compressor piston and then are separated, the outer wall of piston inner hole anti-skid structure 6 is clamped with the inner hole wall of compressor piston.

[0028] In the embodiment, in the use process, clamp connecting cylinder 1 is fixedly connected with mechanical hand through connecting piece 2, clamp jaw 5 and piston inner hole anti-skid structure 6 can be folded or opened through the action of cylinder piece 4, when cylinder piece 4 is supplied with gas, two clamp jaws 5 and piston inner hole anti-skid structure 6 are folded, at this time, the folded two piston inner hole anti-skid structures 6 are extended into the inner hole of compressor piston, when cylinder piece 4 is exhausted, two clamp jaws 5 drive piston inner hole anti-skid structure 6 to separate, at this time, the separated two piston inner hole anti-skid structures 6 can clamp the inner hole of piston, through the clamping of piston inner hole anti-skid structure 6 with the inner hole wall of compressor piston, the inner hole of piston can be prevented from being damaged, and the friction force can be increased, so that the clamping of piston is more reliable, through the rotation of the front end of mechanical hand, the device can be switched to different stations of home, each station can clamp one piston, multiple stations can clamp multiple pistons, mechanical hand can transport multiple pistons at a time, so that the working rate of mechanical hand can be greatly improved, auxiliary time can be reduced, the structure is simple, the cost is low, the device is convenient and fast to use, and the working efficiency is high.

[0029] As Figures 1-5 shown in the figure, the piston inner hole anti-skid structure 6 includes nylon block 6a arranged on the outer side of clamp jaw 5, and the outer side of nylon block 6a is arc-shaped.

[0030] Specifically, when clamping the piston, the outer wall surface of the nylon block 6a can be clamped with the inner hole wall of the compressor piston, which can prevent the inner hole of the piston from being damaged and increase the friction force to make the clamping of the piston more reliable. The outer side surface of the nylon block 6a is arc-shaped and matched with the shape of the inner hole of the piston to achieve better clamping effect. The nylon block 6a is made of polyamide (PA) material, which can prevent the inner hole of the piston from being damaged and increase the friction force to make the clamping of the piston more reliable.

[0031] In combination Figure 4 , Figure 5 As shown in FIG. 6a, the nylon block 6a is internally provided with a mounting groove 6a1, the front end of the clamping jaw 5 is inserted into the mounting groove 6a1 and is in clamping connection with the mounting groove 6a1. The front end of the clamping jaw 5 is provided with two clamping jaw screw holes 5a, and the nylon block 6a is internally provided with two nylon block screw holes 6a2. When the front end of the clamping jaw 5 is inserted into the mounting groove 6a1, the clamping jaw screw holes 5a are opposite to the nylon block screw holes 6a2.

[0032] In the embodiment, during the installation process, the front end of the clamping jaw 5 is inserted into the mounting groove 6a1 so that the clamping jaw screw holes 5a are opposite to the nylon block screw holes 6a2. Then, a screw is inserted to fix the nylon block 6a and the front end of the clamping jaw 5. The detachable structure is adopted to facilitate the replacement of the nylon block 6a after subsequent wear.

[0033] In combination Figures 1-3 As shown in FIG. 6a, the cylinder member 4 includes a finger cylinder 4a arranged on the side of the clamp connecting frame plate 3. The front end of the finger cylinder 4a is provided with two parallel gas claws 4a1 which are symmetrical along the center line of the finger cylinder 4a. The parallel gas claws 4a1 are fixedly connected with the clamping jaw 5.

[0034] In the embodiment, the parallel gas claws 4a1 and the clamping jaw 5 can be folded or separated by the finger cylinder 4a, which has a high degree of automation. It should be understood by those skilled in the art that the finger cylinder 4a can be a commercially available two-finger finger cylinder.

[0035] The tail part of the clamping jaw 5 is provided with a gas claw mounting body 5b which is integrally formed with the clamping jaw 5. The cross section of the gas claw mounting body 5b is L-shaped. The parallel gas claws 4a1 and the gas claw mounting body 5b are fixed by bolts.

[0036] In the embodiment, the parallel gas claws 4a1 and the gas claw mounting body 5b are fixed by bolts. The detachable structure is adopted to facilitate subsequent maintenance and replacement. The cross section of the gas claw mounting body 5b is L-shaped, which can have a large transverse movement space.

[0037] The parallel gas claws 4a1 are internally provided with two gas claw screw holes 4a2. The gas claw mounting body 5b is internally provided with two mounting body screw holes 5b1. The positions of the gas claw screw holes 4a2 and the mounting body screw holes 5b1 correspond to each other and are matched in shape.

[0038] In the embodiment, during installation, the air claw screw hole 4a2 is opposite to the mounting body screw hole 5b1, and then the parallel air claw 4a1 and the air claw mounting body 5b are fixed by inserting a screw, and the detachable structure is adopted, so that subsequent maintenance and replacement are facilitated.

[0039] In combination Figure 2 As shown in the figure, the side part of the clamp connecting frame plate 3 has six side parts 3a in hexagonal shape, and one finger air cylinder 4a is arranged on each side part 3a.

[0040] In the embodiment, the side part of the clamp connecting frame plate 3 has six side parts 3a in hexagonal shape, and one finger air cylinder 4a is arranged on each side part 3a and fixed by a screw, and the hexagonal shape is set to have six stations, and each station can clamp one piston, and six stations can clamp six pistons, so that the mechanical hand can transfer six pistons at a time, and the working rate of the mechanical hand can be greatly improved, and the auxiliary time can be reduced.

[0041] In combination Figure 1 , Figure 2 As shown in the figure, the bottom of the clamp connecting frame plate 3 has a hollow cavity 3b.

[0042] In the embodiment, the hollow cavity 3b can facilitate the installation personnel to assemble and disassemble the screw between the finger air cylinder 4a and the side part 3a.

[0043] In combination Figure 1 As shown in the figure, the connecting piece 2 includes a flange plate 2a arranged at the top of the clamp connecting cylinder body 1, and a plurality of connecting holes 2a1 are formed in the flange plate 2a.

[0044] In the embodiment, the flange plate 2a is used for fixedly connecting the clamp connecting cylinder body 1 and the mechanical hand, and the connecting holes 2a1 are inserted with screws.

[0045] The working principle of the utility model is:

[0046] In use, the clamp cylinder body 1 is fixedly connected with the manipulator through the flange 2a, the clamping jaws 5 and the nylon blocks 6a can be closed or opened through the finger cylinder 4a, when the finger cylinder 4a is supplied with gas, the two clamping jaws 5 and the piston inner hole anti-skid structure 6 are closed, at this time, the two nylon blocks 6a that are closed extend into the inner hole of the compressor piston, when the finger cylinder 4a is exhausted, the two clamping jaws 5 drive the nylon blocks 6a to separate, at this time, the two nylon blocks 6a that are separated can clamp the inner hole of the piston, through the clamping of the nylon blocks 6a and the inner hole wall of the compressor piston, the inner hole of the piston can be prevented from being damaged, and the friction force can be increased, so that the piston clamping is more reliable, the device can be switched to different stations of the home through the rotation of the front end of the manipulator, one piston can be clamped at each station, multiple pistons can be clamped at multiple stations, multiple pistons can be transported at one time by the manipulator, the working rate of the manipulator can be greatly improved, the auxiliary time is reduced, the structure is simple, the cost is low, the use is convenient and fast, and the working efficiency is high,

[0047] When clamping the piston, the outer wall surface of the nylon block 6a can be clamped with the inner hole wall of the compressor piston, the inner hole of the piston can be prevented from being damaged, and the friction force can be increased, so that the piston clamping is more reliable, the outer side of the nylon block 6a is arc-shaped and matched with the shape of the inner hole of the piston, so that a better clamping effect is achieved, the nylon block 6a is made of polyamide (PA) material, the inner hole of the piston can be prevented from being damaged, and the friction force can be increased, so that the piston clamping is more reliable,

[0048] In the installation process, the front end of the clamping jaw 5 is inserted into the installation groove 6a1, the clamping jaw screw hole 5a is opposite to the nylon block screw hole 6a2, and then a screw is inserted to fix the nylon block 6a and the front end of the clamping jaw 5, a detachable structure is adopted, and the nylon block 6a can be replaced after subsequent wear,

[0049] The parallel gas claw 4a1 and the clamping jaw 5 can be closed or separated through the finger cylinder 4a, and the degree of automation is high,

[0050] The parallel gas claw 4a1 and the gas claw mounting body 5b are fixed through bolts, a detachable structure is adopted, and subsequent maintenance and replacement are facilitated, and the cross section of the gas claw mounting body 5b is L-shaped, and a large transverse movement space can be provided,

[0051] In the installation process, the gas claw screw hole 4a2 is opposite to the mounting body screw hole 5b1, and then a screw is inserted to fix the parallel gas claw 4a1 and the gas claw mounting body 5b, a detachable structure is adopted, and subsequent maintenance and replacement are facilitated,

[0052] The side of the clamp connecting frame plate 3 has six hexagonal side parts 3a, and a finger cylinder 4a is arranged on each side part 3a and fixed by a screw.

[0053] The hollow chamber 3b can facilitate the installation personnel to dismount and assemble the screw between the finger cylinder 4a and the side part 3a.

[0054] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application.

[0055] Although the terms such as clamp connecting cylinder 1, connecting piece 2, flange plate 2a, connecting hole 2a1, clamp connecting frame plate 3, side part 3a, hollow chamber 3b, cylinder part 4, finger cylinder 4a, parallel gas claw 4a1, gas claw screw hole 4a2, clamp jaw 5, clamp jaw screw hole 5a, gas claw mounting body 5b, mounting body screw hole 5b1, piston inner hole anti-skid structure 6, nylon block 6a, installation groove 6a1, nylon block screw hole 6a2 are used more in this paper, but the possibility of using other terms is not excluded. Using these terms is only to more conveniently describe and explain the essence of the present application, and it is contrary to the spirit of the present application to interpret them as any kind of additional limitation.

Claims

1. A mechanical hand clamp for compressor piston, comprising a clamp connecting cylinder (1), the top of which is provided with a connecting piece (2) for being fixed with a mechanical hand, characterized in that, The clamp connecting barrel (1) is provided with a clamp connecting frame plate (3) at the bottom, and the clamp connecting frame plate (3) is provided with a plurality of air cylinder pieces (4) arranged in a ring shape along the center point of the clamp connecting frame plate (3) at the side, the air cylinder piece (4) is provided with two clamping jaws (5) driven by the air cylinder piece (4) and capable of approaching or moving away from each other at the front end, the clamping jaw (5) is provided with a piston inner hole anti-skid structure (6) outside, and the piston inner hole anti-skid structure (6) is clamped with the inner hole wall of the compressor piston when the two clamping jaws (5) are folded and inserted into the inner hole of the compressor piston and then separated.

2. A mechanical hand gripper for compressor pistons as defined in claim 1, characterized in that The piston inner hole anti-skid structure (6) comprises a nylon block (6a) arranged outside the clamping jaw (5), and the outer side surface of the nylon block (6a) is arc-shaped.

3. A mechanical hand gripper for compressor pistons as defined in claim 2, characterized in that The nylon block (6a) is provided with a mounting groove (6a1) inside, and the front end of the clamping jaw (5) is inserted into the mounting groove (6a1) and is in clamping and matching with the mounting groove (6a1).

4. A mechanical hand gripper for compressor pistons as defined in claim 3, wherein, The front end of the clamping jaw (5) is provided with two clamping jaw screw holes (5a), and the nylon block (6a) is provided with two nylon block screw holes (6a2) inside, when the front end of the clamping jaw (5) is inserted into the mounting groove (6a1), the clamping jaw screw hole (5a) is opposite to the nylon block screw hole (6a2).

5. A mechanical hand gripper for compressor pistons according to any one of claims 1-4, characterized in that, The air cylinder piece (4) comprises a finger air cylinder (4a) arranged at the side of the clamp connecting frame plate (3), and the finger air cylinder (4a) is provided with two parallel air claws (4a1) symmetrically along the center line of the finger air cylinder (4a) at the front end, and the parallel air claws (4a1) are fixedly connected with the clamping jaw (5).

6. A mechanical hand gripper for compressor pistons according to claim 5, characterized in that, The tail of the clamping jaw (5) is provided with an air claw mounting body (5b) integrally formed with the clamping jaw (5), the cross section of the air claw mounting body (5b) is L-shaped, and the parallel air claws (4a1) and the air claw mounting body (5b) are fixed by bolts.

7. A mechanical hand gripper for compressor pistons according to claim 6, characterized in that The parallel air claws (4a1) are provided with two air claw screw holes (4a2) inside, the air claw mounting body (5b) is provided with two mounting body screw holes (5b1) inside, the positions of the air claw screw holes (4a2) and the mounting body screw holes (5b1) correspond to each other, and the shapes are matched.

8. A mechanical hand gripper for compressor pistons as defined in claim 5, wherein, The side of the clamp connecting frame plate (3) has six side parts (3a) in hexagonal shape, and one finger air cylinder (4a) is arranged on each side part (3a).

9. A mechanical hand gripper for compressor pistons according to claim 8, characterized in that, The bottom of the clamp connecting frame plate (3) has a hollow cavity (3b).

10. A mechanical hand gripper for compressor pistons as defined in claim 1, wherein, The connecting piece (2) comprises a flange plate (2a) arranged at the top of the clamp connecting barrel (1), and a plurality of connecting holes (2a1) are arranged in the flange plate (2a).

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