Air pressure type clamp for fixing parts in batches

Abstract

The utility model belongs to the technical field of air pressure type clamps, and particularly relates to an air pressure type clamp for fixing parts in batches, which comprises a compression cylinder, a threaded rod is spirally connected in the top end of the compression cylinder, a rubber ring sleeves the outer side of the top end of the threaded rod, a clamp body is arranged at the top end of the rubber ring in an abutting manner, and a round hole groove is formed in the outer side of the clamp body. A circular hole groove is formed in the top end of the clamp body, an abutting ball is arranged in the circular hole groove of the clamp body in a sliding mode, a fixing head is arranged on the outer side of the abutting ball in an abutting mode, a sliding groove is formed in the top end of the clamp body, and a sliding rod is arranged in the sliding groove of the clamp body in a sliding mode. And when a part is clamped and fixed, a special-shaped part workpiece is not firmly positioned and needs to be extruded towards the interior of a compression cylinder all the time, inflation needs to be conducted all the time in the process, and once an inflation device is damaged, the part cannot be pulled out from the interior of the clamp in a manual mode.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of pneumatic clamps, in particular to a pneumatic clamp for batch fixing of parts. BACKGROUND

[0002] The pneumatic clamp for batch fixing of parts is a tooling device that uses gas pressure to simultaneously fix multiple parts, usually connected to a gas source, with a cylinder in the clamp. Compressed air enters the cylinder to push the piston to move. The piston is connected to the clamping mechanism. When the piston moves, it drives the clamping mechanism to apply clamping force to the parts. When fixing parts in batches, a reasonable design of the clamping mechanism layout can simultaneously fix multiple parts.

[0003] The patent with application number 201620294649.3 discloses a pneumatic fixing clamp, which includes a high-pressure air pump, a bottom plate, a middle plate, and a clamping plate installed in sequence. The bottom plate has a gas channel connected to the high-pressure air pump, and the gas channel is connected to the outside. The middle plate has a groove, and the groove bottom has a first gas hole connected to the gas channel. The clamping plate has a working area with several suction grooves, and the bottom of the suction groove has several second gas holes connected to the groove.

[0004] However, in the implementation of the related technology, it is found that the above-mentioned pneumatic fixing clamp has the problem of needing two groups of channels for charging and discharging, and needing to continuously pressurize the inside of the compression cylinder when clamping and fixing the parts. Once the air pump is damaged, the parts cannot be manually extracted from the inside of the clamp. CONTENT OF THE UTILITY MODEL

[0005] The purpose of the present application is to design a pneumatic clamp for batch fixing of parts, which has the advantages of resisting the object with the internal resisting ball, not contacting the sliding rod with the resisting ball when the inside is full of gas, disconnecting when stopping pressurizing, and resisting and fixing under the action of gravity. The device only needs to control the inlet of the channel, and the control is simple. The force generated by the resistance and fixation of the parts is independent of the air pressure, and the parts will not separate without air pressure.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0007] The utility model provides a kind of air pressure type batch fixed part clamp, including compression cylinder, the top end inside screw connection of the compression cylinder is threaded rod, the top end outside of the threaded rod is equipped with rubber ring, the top end of the rubber ring is arranged with clamp body, the outside of the clamp body is equipped with round hole slot, the round hole slot inside the clamp body is slidably arranged with abutting ball, the outside of the abutting ball is arranged with fixed head, the top end inside the clamp body is equipped with sliding slot, the sliding slot inside the clamp body is slidably arranged with sliding rod, the outside of the clamp body is equipped with upper cover.

[0008] Preferably, the outside of the compression cylinder is equipped with thread groove, the outside of the thread groove of the compression cylinder is screw-connected with conversion head, the right side inside the conversion head is penetrated with first air pipe, the outside of the first air pipe is equipped with elastic ring.

[0009] Preferably, the outside of the elastic ring is equipped with gap slot, the outside of the elastic ring is equipped with thread groove, the outside of the thread groove of the elastic ring is screw-connected with swivel, the outside of the swivel is fixedly connected with handle, the inside of the swivel slides left and right outside the elastic ring.

[0010] Preferably, the first air pipe is equipped with explosion-proof pipe, the explosion-proof pipe is made of high-pressure resistant material.

[0011] Preferably, the outside of the first air pipe is equipped with tee, the other end inside the tee is slidably arranged with second air pipe, the other end of the second air pipe is equipped inside the other group of first air pipe.

[0012] Preferably, the front end of the tee is fixedly connected with transmission pipe, the other end of the transmission pipe is fixedly connected with control switch.

[0013] Preferably, the top end of the fixed head is fixedly connected with support plate, the bottom end of the support plate is provided with base.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows:

[0015] 1、the utility model through compression cylinder inside fills gas, sliding rod is under the action of atmospheric pressure and is resisted upward, the bottom end of sliding rod is not contacted with abutting ball, disconnects, when stopping pressurization, sliding rod is under the action of gravity and is resisted with abutting ball, realizes abutting fixed, and this device only needs to pass through channel control intake, control is simple, and the power generated to part abutting fixed is irrelevant with air pressure, by setting several groups of part fixed clamps, multiple parts can be fixed simultaneously, improve work efficiency.

[0016] 2、The application adds a rotating locking device on the outside of the conversion head, a set of air pipes are sleeved outside the explosion-proof pipe, and the air pipes are prevented from being damaged due to long-term gas transmission, causing parts to fall off. By rotating the rotating ring outside the elastic ring clockwise, the opening of the elastic ring can be reduced. In use, it is suitable for different types of air pipes. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the application;

[0018] Figure 2 It is a schematic diagram of the compression cylinder structure of the application;

[0019] Figure 3 It is a schematic diagram of the rotating ring structure of the application;

[0020] Figure 4 It is a schematic diagram of the explosion-proof pipe structure of the application;

[0021] Figure 5 It is a schematic diagram of the upper cover structure of the application.

[0022] 1, compression cylinder; 2, clamp body; 3, threaded rod; 4, rubber ring; 5, sliding rod; 6, abutting ball; 7, conversion head; 8, elastic ring; 9, handle; 10, first air pipe; 11, explosion-proof pipe; 12, rotating ring; 13, tee joint; 14, transmission pipe; 15, control switch; 16, fixed head; 17, support plate; 18, base; 19, second air pipe; 20, upper cover. DETAILED DESCRIPTION

[0023] As shown in Figures 1 to 5 The application provides a gas pressure type batch fixed part clamp, which comprises a compression cylinder 1, a threaded rod 3 is spirally connected inside the top end of the compression cylinder 1, an air inlet groove is formed in the inside center position of the threaded rod 3, a rubber ring 4 is sleeved outside the top end of the threaded rod 3 for sealing the inside to prevent gas leakage, a clamp body 2 is abuttingly arranged at the top end of the rubber ring 4, a circular hole groove is formed in the outside of the clamp body 2, an abutting ball 6 is slidingly arranged inside the circular hole groove of the clamp body 2, the abutting ball 6 slides inside the circular hole groove of the clamp body 2, a fixed head 16 is abuttingly arranged outside the abutting ball 6, a sliding groove is formed in the inside of the top end of the clamp body 2, a sliding rod 5 is slidingly arranged inside the sliding groove of the clamp body 2, the sliding rod 5 slides upward when subjected to gas pressure, thereby releasing the abutting between the abutting ball 6, a upper cover 20 is sleeved outside the clamp body 2, and the upper cover 20 is used for clamping and limiting the clamp body 2.

[0024] As a preferred way, the outer side of the compression cylinder 1 is provided with a threaded groove, and the threaded groove of the compression cylinder 1 is spirally connected with a conversion head 7. When not in use, it can be replaced and disassembled. The right side of the conversion head 7 is provided with a first air pipe 10. The outer side of the first air pipe 10 is provided with an elastic ring 8.

[0025] As a preferred way, the outer side of the elastic ring 8 is provided with a gap groove, and the outer side of the elastic ring 8 is provided with a threaded groove. The threaded groove of the elastic ring 8 is spirally connected with a rotating ring 12. When the rotating ring 12 rotates clockwise, it slides to the right on the outer side of the elastic ring 8. During the sliding process, the elastic ring 8 is reduced in diameter under pressure. The outer side of the rotating ring 12 is welded with a handle 9 for assisting the rotating ring 12 to rotate.

[0026] As a preferred way, the first air pipe 10 is provided with an explosion-proof pipe 11. When the explosion-proof pipe 11 is used for a long time, it will age. During the gas transmission process, even if it falls off, the outer first air pipe 10 will protect the explosion-proof pipe 11, avoiding the explosion-proof pipe 11 being suddenly thrown out and causing harm to the user.

[0027] As a preferred way, the outer side of the first air pipe 10 is provided with a tee 13. The other end of the tee 13 is provided with a second air pipe 19. The other end of the second air pipe 19 is provided in the other group of first air pipes 10. The tee 13 is used to deliver gas to different pipelines.

[0028] As a preferred way, the front end of the tee 13 is provided with a transmission pipe 14. The other end of the transmission pipe 14 is fixedly connected with a control switch 15. The control switch 15 is used to control the compression of the gas and flow through the transmission pipe 14.

[0029] As a preferred way, the top end of the fixed head 16 is welded with a support plate 17. The bottom end of the support plate 17 is provided with a base 18. The base 18 is used to arrange the mold channel.

[0030] Among them, the rubber ring 4 and the control switch 15 are prior art, and will not be described again. At the same time, the present application also includes power supply, controller and switch, which are not the main technical points of the patent and will not be described again. The "front, back, left and right" view of the device is based on the direction of the drawing. Figure 1

[0031] Working principle:

[0032] ​First, the staff will be the end of the screw clamp body 2 into the top end of the compression cylinder 1, screw to the rubber ring 4 between the compression cylinder 1 and the clamp body 2 can stop rotating, then the clamp body 2 inserted into the top end of the arc groove inside the cover 20, to achieve the clamp body 2 and the cover 20 fixed, then the explosion-proof pipe 11 and the first gas pipe 10 from the outside of the elastic ring 8 after the inside of the conversion head 7, after connecting, hold the handle 9 clockwise, drive the ring 12 welded with the elastic ring 8 outside rotating, in the process of rotating, the elastic ring 8 when subjected to external force, the elastic ring 8 extrusion first gas pipe 10 and the inside of the explosion-proof pipe 11 fixed, realize the clamping and fixing, then the first gas pipe 10 inserted into the tee 13 inside, the second gas pipe 19 inserted into the tee 13 right side, the transmission pipe 14 one end and the control switch 15 connected, the other end and the tee 13 front end connected, then start the control switch 15, gas through the first gas pipe 10 into the inside of the compression cylinder 1, gas from the inside of the threaded rod 3 gap into the inside of the compression cylinder 1, the gas will slide up the rod 5, the slide rod 5 with the inside of the clamp body 2 release the ball 6 from the inside of the resistance, then when the gas flow is cut off, the slide rod 5 under the action of gravity down sliding, in the process of sliding, with the inside of the clamp body 2 resistance ball 6, the ball 6 from the outside of the compression cylinder 1 outside sliding, in the process of sliding, with the fixed head 16 resistance.

Claims

1. A pneumatic fixture for batch fixing of parts, comprising a compression cylinder (1), characterized in that: The top end of the compression cylinder (1) is internally screwed with a threaded rod (3), the top end of the threaded rod (3) is externally sleeved with a rubber ring (4), the top end of the rubber ring (4) is abuttingly provided with a clamp body (2), the outer side of the clamp body (2) is provided with a circular hole groove, the circular hole groove of the clamp body (2) is internally slidably provided with an abutting ball (6), the outer side of the abutting ball (6) is abuttingly provided with a fixed head (16), the top end of the clamp body (2) is internally provided with a sliding slot, the sliding slot of the clamp body (2) is internally slidably provided with a sliding rod (5), and the outer side of the clamp body (2) is sleeved with an upper cover (20).

2. The pneumatic fixture for batch clamping of stationary parts according to claim 1, characterized in that: The outer side of the compression cylinder (1) is provided with a threaded groove, the threaded groove of the compression cylinder (1) is externally screwed with a conversion head (7), the right side of the conversion head (7) is internally penetrated with a first air pipe (10), and the outer side of the first air pipe (10) is sleeved with an elastic ring (8).

3. The pneumatic fixture for batch clamping of stationary parts according to claim 2, characterized in that: The outer side of the elastic ring (8) is provided with a gap groove, the outer side of the elastic ring (8) is provided with a threaded groove, the threaded groove of the elastic ring (8) is externally screwed with a swivel ring (12), the outer side of the swivel ring (12) is fixedly connected with a handle (9), and the inside of the swivel ring (12) slides left and right outside the elastic ring (8).

4. The pneumatic fixture of claim 2, wherein: The first air pipe (10) is sleeved with an explosion-proof pipe (11), and the explosion-proof pipe (11) is made of high-pressure resistant material.

5. The pneumatic fixture of claim 4, wherein: The outer side of the first air pipe (10) is sleeved with a tee joint (13), the other end of the tee joint (13) is internally slidably provided with a second air pipe (19), and the other end of the second air pipe (19) is sleeved in the other group of the first air pipe (10).

6. The pneumatic fixture of claim 5, wherein: The front end of the tee joint (13) is fixedly connected with a transmission pipe (14), and the other end of the transmission pipe (14) is fixedly connected with a control switch (15).

7. The pneumatic fixture of claim 1, wherein: The top end of the fixed head (16) is fixedly connected with a support plate (17), and the bottom end of the support plate (17) is provided with a base (18).

Images