An adaptive fixture with automatic control

Abstract

The present invention discloses an adaptive clamp with automatic control, which belongs to the technical field of clamps, and comprises an automatic telescopic rod, an air pipe and a mounting seat, wherein the movable end of the automatic telescopic rod is connected to the mounting seat, the air pipe is connected to an inflating device, a plurality of clamps made of flexible material are mounted on the lower end of the mounting seat, the clamps are divided into two groups and are respectively mounted relatively, a plurality of reinforcing blocks made of flexible material are mounted on the outer side of each clamp, the clamp is hollow, a support rod is mounted on the lower side wall of the mounting seat, a plurality of multi-stage curved arms are mounted on the lower end of the support rod, and a fixed block is mounted on the bottom inner wall of the clamp. The bending angle of the clamp of the present invention is very free, and the object can be clamped well to prevent it from falling, and the clamp made of flexible material will not cause great damage to the object, and the object of different sizes can be clamped adaptively, and has a good clamping effect.

Description

Technical Field

[0001] The invention relates to the technical field of clamps, and in particular to an automatically controlled self-adaptive clamp. Background Art

[0002] As we all know, a clamp is a commonly used mechanism with a clamping function in the mechanical field. It is usually used to clamp materials and further transfer them. It is not only fast but also highly accurate, which can greatly improve the production speed. Moreover, with the development of science and technology and the improvement of the degree of automation, there are more and more automatically controlled clamps.

[0003] In the prior art, when clamping some valuable and fragile items with a clamp, the pressure of the clamping jaws is relatively large, which can easily cause damage to the items. In addition, when clamping, the bending angle of the clamping jaws is relatively rigid, so the clamping effect is poor when clamping some items. Therefore, we propose an automatically controlled adaptive clamp to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to solve the problem in the prior art that when clamping some valuable and fragile items with a clamp, the pressure of the clamping jaws is large, which can easily cause damage to the items, and the bending angle of the clamping jaws is relatively rigid during clamping, resulting in poor clamping effect when clamping some items. An adaptive clamp with automatic control is proposed to solve the problem that when clamping some valuable and fragile items with a clamping jaws, the items are easily damaged due to the large pressure of the clamping jaws, and the bending angle of the clamping jaws is relatively rigid during clamping, resulting in poor clamping effect when clamping some items.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An adaptive clamp of automatic control comprises an automatic telescopic rod, an air pipe and a mounting seat, wherein the movable end of the automatic telescopic rod is connected to the mounting seat, the air pipe is connected to an inflating device, a plurality of clamping jaws made of flexible material are installed at the lower end of the mounting seat, the clamping jaws are divided into two groups and are installed relatively to each other, a plurality of reinforcing blocks made of flexible material are installed on the outer side of each clamping jaw, the clamping jaw is hollow, a support rod is installed on the lower end side wall of the mounting seat, a plurality of multi-stage curved arms are installed on the lower end of the support rod, a fixed block is installed on the bottom inner wall of the clamping jaw, the lower end of the multi-stage curved arm is connected to the fixed block, two lifting devices are installed in each of the clamping jaws, and the two lifting devices are respectively located on both sides of the support rod, the lifting device comprises a sealing groove, a sealing plug matching the sealing groove is provided in the sealing groove, a movable rod is fixedly connected to the lower end side wall of the sealing plug, the movable rod penetrates the bottom wall of the sealing groove and is movably sealed with the sealing groove, and the lower end of the movable rod located outside the sealing groove is rotatably connected to a connecting rod, and the connecting rod is connected to the fixed block.

[0007] Preferably, the inflation device includes a shunt pipe, and a plurality of the shunt pipes are respectively installed on both sides of the upper side wall of the mounting seat, the air pipe is respectively connected to the plurality of shunt pipes and sealed, the plurality of the shunt pipes are connected to a plurality of diffuser pipes, two of the diffuser pipes extend into a clamp, the exhaust pipe is located below the diffuser pipe, the diffuser pipe is fixedly sealed with the side wall of the sealing groove, the connection between the diffuser pipe and the sealing groove is always located below the sealing plug, an electromagnetic valve is installed on the diffuser pipe, an exhaust pipe is installed on the side wall of the sealing groove, an exhaust valve is installed on the exhaust pipe, and the connecting rod is connected to the fixed block.

[0008] Preferably, the two sealing grooves in the same clamp are sealed and connected via a connecting pipe, and the connecting pipe is always located above the sealing plug, and the two ends of the connecting pipe are fixedly mounted to the two sealing grooves respectively.

[0009] Preferably, a guide tube is installed on the side wall of the sealing groove away from the reinforcement block, the guide tube is connected to multiple reinforcement tubes through a joint, the lower end of the reinforcement tube is sealed, and the multiple reinforcement tubes are installed on the inner wall of the side of the clamp away from the reinforcement block.

[0010] Preferably, the multi-section curved arm includes a plurality of auxiliary rods arranged in sequence from top to bottom, the plurality of auxiliary rods have the same length, two adjacent auxiliary rods are rotatably connected together via a rotating member, the auxiliary rod closest to the support rod is rotatably connected to the support rod via a rotating member, and the auxiliary rod closest to the fixed block is rotatably connected to the fixed block via a rotating member.

[0011] Preferably, the multi-section curved arm includes three auxiliary rods arranged in sequence from top to bottom, the lengths of the three auxiliary rods become shorter from top to bottom, and two adjacent auxiliary rods are rotatably connected together via a rotating member, the auxiliary rod closest to the support rod is rotatably connected to the support rod via a rotating member, and the auxiliary rod closest to the fixed block is rotatably connected to the fixed block via a rotating member.

[0012] Preferably, a plurality of airbags made of elastic material are installed on the inner wall of the clamp away from the reinforcement block, and two adjacent airbags are connected by a deformable hose, and a flow tube is connected to the side wall of one of the airbags, and the flow tube is fixedly sealed to the inner wall of the adjacent sealing groove, and the connection between the flow tube and the sealing groove is always located below the sealing plug, and an air pressure sensor is installed on the side wall of the sealing groove, and the air pressure sensor is used to measure the air pressure in the sealed space formed by the multiple airbags, the bottom of the sealing plug and the sealing groove.

[0013] Preferably, the plurality of airbags are evenly arranged on the inner wall of the clamp, and the plurality of airbags are all in the shape of long strips, and the plurality of airbags are arranged along the shape of the inner wall of the clamp.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. When the sealing groove on one side is inflated by the inflating device, the multi-stage crank arm is driven to rotate, which can drive the clamping claw to deform and bend, and then the multiple clamping claws can be used to clamp the object. In this way, the bending angle of the clamping claw is very free, which can better clamp the object to prevent it from falling. In addition, the clamping claw made of flexible material will not cause great damage to the object, thus protecting the safety of the object;

[0016] 2. The pressure generated when the clamping claws clamp an object can generate pressure on the airbag, causing the airbag to deform. After the gas in the airbag enters the sealing groove, the pressure in the sealing groove increases. After being measured by the air pressure sensor, a signal is sent out to stop the air intake and ensure that the air pressure is stable. In this way, objects of different sizes can be clamped adaptively and have a good clamping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of an automated controlled adaptive fixture proposed by the present invention;

[0018] Figure 2 is a schematic diagram of the structure of the gripper;

[0019] Figure 3 It is a structural schematic diagram of Embodiment 2;

[0020] Figure 4 for Figure 3 The structural diagram at A in the middle;

[0021] Figure 5 This is a schematic diagram of the structure of Embodiment 3;

[0022] Figure 6 It is a structural diagram of embodiment 4.

[0023] In the figure: 1 automatic telescopic rod, 2 air pipe, 3 mounting seat, 4 clamping claw, 5 reinforcement block, 6 support rod, 7 multi-stage curved arm, 8 fixing block, 9 sealing groove, 10 sealing plug, 11 movable rod, 12 exhaust pipe, 13 exhaust valve, 14 diverter pipe, 15 diffuser pipe, 16 solenoid valve, 17 connecting pipe, 18 guide pipe, 19 reinforcement pipe, 20 auxiliary rod, 21 air bag, 22 flow pipe, 23 air pressure sensor, 24 connecting rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Embodiment 1

[0026] Reference Figure 1-2 An automatic controlled adaptive clamp comprises an automatic telescopic rod 1, an air pipe 2 and a mounting seat 3. The movable end of the automatic telescopic rod 1 is connected to the mounting seat 3. The air pipe 2 is connected to an inflating device. A plurality of clamping jaws 4 made of flexible material are installed at the lower end of the mounting seat 3. The clamping jaws 4 are divided into two groups and installed relatively to each other. A plurality of reinforcing blocks 5 made of flexible material are installed on the outer side of each clamping jaw 4. The clamping jaw 4 is hollow. A support rod 6 is installed on the lower side wall of the mounting seat 3. A plurality of multi-stage curved arms 7 are installed at the lower end of the support rod 6. The bottom of the clamping jaw 4 A fixed block 8 is installed on the inner wall, and the lower end of the multi-stage curved arm 7 is connected to the fixed block 8. Two lifting devices are installed in each clamping jaw 4, and the two lifting devices are respectively located on both sides of the support rod 6. The lifting device includes a sealing groove 9, and a sealing plug 10 matching it is provided in the sealing groove 9. A movable rod 11 is fixedly connected to the side wall of the lower end of the sealing plug 10. The movable rod 11 passes through the bottom wall of the sealing groove 9 and is movably sealed with the sealing groove 9. The lower end of the movable rod 11 located outside the sealing groove 9 is rotatably connected to a connecting rod 24, and the connecting rod 24 is connected to the fixed block 8.

[0027] The inflation device includes a shunt pipe 14, and multiple shunt pipes 14 are respectively installed on both sides of the upper side wall of the mounting seat 3. The air pipe 2 is respectively connected to the multiple shunt pipes 14 and sealed. The multiple shunt pipes 14 are connected to multiple diffuser pipes 15. Two diffuser pipes 15 extend into a clamp 4. The exhaust pipe 122 is located below the diffuser pipe 15. The diffuser pipe 15 is fixedly sealed with the side wall of the sealing groove 9. The connection between the diffuser pipe 15 and the sealing groove 9 is always located below the sealing plug 10. A solenoid valve 16 is installed on the diffuser pipe 15. An exhaust pipe 122 is installed on the side wall of the sealing groove 9. An exhaust valve 13 is installed on the exhaust pipe 122. The connecting rod 24 is connected to the fixed block 8. After the object is clamped to the specified position, the exhaust valve 13 is opened to discharge the gas in the sealing groove 9, so that the object can be released. The degree of automation is high and it is easy to use.

[0028] The multi-section crank arm includes a plurality of auxiliary rods 20 arranged in sequence from top to bottom, and the plurality of auxiliary rods 20 have the same length, and two adjacent auxiliary rods 20 are rotatably connected together through a rotating member, the auxiliary rod 20 closest to the support rod 6 is rotatably connected to the support rod 6 through a rotating member, and the auxiliary rod 20 closest to the fixed block 8 is rotatably connected to the fixed block 8 through a rotating member. In this way, the bending deformation angles of the clamping jaws 4 are close, so that the bottom of the object can be buckled more conveniently, so that the object is more stable when moving.

[0029] Embodiment 2

[0030] Reference Figure 3-4A plurality of airbags 21 made of elastic material are installed on the inner wall of the clamping jaw 4 away from the reinforcing block 5. Two adjacent airbags 21 are connected by a deformable hose. A flow tube 22 is connected to the side wall of one of the airbags 21. The flow tube 22 is fixedly sealed with the inner wall of the adjacent sealing groove 9. The connection between the flow tube 22 and the sealing groove 9 is always located below the sealing plug 10. An air pressure sensor 23 is installed on the side wall of the sealing groove 9. The air pressure sensor 23 is used to measure the air pressure in the sealed space formed by the plurality of airbags 21, the bottom of the sealing plug 10 and the sealing groove 9.

[0031] The pressure generated when the clamping jaws 4 clamp an object can generate pressure on the airbag 21, causing the airbag 21 to deform. After the gas in the airbag 21 enters the sealing groove 9, the pressure in the sealing groove 9 increases, and after being measured by the air pressure sensor 23, a signal is sent out to stop the air intake and ensure that the air pressure is stable. In this way, objects of different sizes can be clamped adaptively and a good clamping effect is achieved.

[0032] The multiple airbags 21 are evenly arranged on the inner wall of the clamping jaw 4 , and the multiple airbags 21 are all in a strip shape. The multiple airbags 21 are arranged along the shape of the inner wall of the clamping jaw 4 .

[0033] In this way, the airbag 21 can be better contacted with the inner wall of the clamping jaw 4, so that when the clamping jaw 4 clamps an object, the airbag 21 can be more deformed.

[0034] The multi-section crank arm includes three auxiliary rods 20 arranged in sequence from top to bottom, the lengths of the three auxiliary rods 20 are shortened in sequence from top to bottom, and two adjacent auxiliary rods 20 are rotatably connected together through a rotating member, the auxiliary rod 20 closest to the support rod 6 is rotatably connected to the support rod 6 through a rotating member, and the auxiliary rod 20 closest to the fixed block 8 is rotatably connected to the fixed block 8 through a rotating member. When the auxiliary rods 20 rotate, the auxiliary rod 20 at the bottom rotates at the largest angle, and the auxiliary rod 20 at the top rotates at the smallest angle, so that it can ensure that the bottom of the clamp 4 exerts a greater pressure on the object, so that the clamped object is more stable.

[0035] Embodiment 3

[0036] Reference Figure 5 A guide tube 18 is installed on the side wall of the sealing groove 9 away from the reinforcement block 5. The guide tube 18 is connected to multiple reinforcement tubes 19 through a joint. The lower end of the reinforcement tube 19 is sealed. Multiple reinforcement tubes 19 are installed on the inner wall of the clamp 4 on the side away from the reinforcement block 5. By using the guide tube 18 and the reinforcement tube 19, it can be ensured that when the sealing plug 10 moves, gas can be sent into the reinforcement tube 19, thereby increasing the air pressure in the reinforcement tube 19, ensuring that the pressure when clamping the object is greater and the clamping effect is better.

[0037] Embodiment 4

[0038] Reference Figure 6 The two sealing grooves 9 located in the same clamping jaw 4 are sealed and connected by a connecting pipe 17, and the connecting pipe 17 is always located above the sealing plug 10. The two ends of the connecting pipe 17 are respectively fixedly installed with the two sealing grooves 9. When one sealing plug 10 rises, the other sealing plug 10 will descend under the driving action of the multi-stage crank arm 7. The two sealing grooves 9 are connected by the connecting pipe 17, so that the gas circulation can make the lifting and lowering of the sealing plug 10 smoother, thereby improving the convenience of the entire device during use and extending the service life of the sealing groove 9, the clamping jaw 4 and other devices.

[0039] When the present invention clamps an object, the position of the mounting seat 3 can be adjusted by using the automatic telescopic rod 1, and then air is taken in through the air pipe 2, and the air enters the plurality of diffuser pipes 15 along the shunt pipe 14, the solenoid valve 16 is opened, and then the air enters the sealing groove 9, and the air pressure in the sealing groove 9 increases, thereby causing the sealing plug 10 to move, and the sealing plug 10 drives the movable rod 11 to move, and the movable rod 11 drives the connecting rod 24 to move, thereby enabling the multi-stage curved arm 7 to rotate, and when the multi-stage curved arm 7 rotates, it will rotate to the left or right, thereby causing the clamping jaw 4 to deform, thereby clamping the object, and can drive the clamping jaw 4 to deform and bend, thereby enabling multiple clamping jaws 4 to clamp the object, so that the bending angle of the clamping jaw 4 is very free, and the object can be clamped well to prevent it from falling, and the clamping jaw 4 made of flexible material will not cause greater damage to the object, thereby protecting the safety of the object, and the provision of the reinforcing block 5 can ensure that the clamping jaw 4 is not easy to tear when it is deformed, thereby protecting the safety of the clamping jaw 4 and extending the service life of the clamping jaw 4;

[0040] When the clamp 4 clamps an object, the clamp 4 contacts the object, and the object can cause the side wall of the clamp 4 to deform, and at the same time generate pressure on the airbag 21. After the airbag 21 is deformed, the gas in the airbag 21 can enter the sealing groove 9 through the circulation tube 22, so that the air pressure in the sealing groove 9 changes greatly, and then the air pressure sensor 23 can quickly measure the change in air pressure, so that the outside world will no longer continue to send gas into the air pipe 2, and the solenoid valve 16 is closed, so that the air pressure is inconvenient, so that the object can be stably clamped, the clamping effect is good, and it can adaptively and quickly clamp objects of various sizes, which greatly improves the practicality of the clamp 4.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatically controlled adaptive clamp, comprising an automatic telescopic rod (1), an air pipe (2) and a mounting seat (3), wherein the movable end of the automatic telescopic rod (1) is connected to the mounting seat (3), characterized in that: The air pipe (2) is connected to an inflating device. A plurality of clamping jaws (4) made of a flexible material are installed at the lower end of the mounting seat (3). The clamping jaws (4) are divided into two groups and installed opposite to each other. A plurality of reinforcing blocks (5) made of a flexible material are installed on the outer side of each clamping jaw (4). The clamping jaw (4) is hollow. A support rod (6) is installed on the side wall of the lower end of the mounting seat (3). A plurality of multi-stage curved arms (7) are installed at the lower end of the support rod (6). A fixing block (8) is installed on the inner wall of the bottom of the clamping jaw (4). The lower end of the multi-stage curved arm (7) is connected to the fixing block (8). , each of the clamping jaws (4) is equipped with two lifting devices, the two lifting devices are respectively located on both sides of the support rod (6), the lifting device includes a sealing groove (9), a sealing plug (10) matching the sealing groove (9) is provided in the sealing groove (9), a movable rod (11) is fixedly connected to the lower side wall of the sealing plug (10), the movable rod (11) passes through the bottom wall of the sealing groove (9) and is movably sealed with the sealing groove (9), the lower end of the movable rod (11) located outside the sealing groove (9) is rotatably connected to a connecting rod (24), and the connecting rod (24) is connected to the fixed block (8); The two sealing grooves (9) located in the same clamping jaw (4) are sealed and connected via a connecting pipe (17), and the connecting pipe (17) is always located above the sealing plug (10), and the two ends of the connecting pipe (17) are respectively fixedly mounted on the two sealing grooves (9); A flow guide tube (18) is installed on the side wall of the sealing groove (9) away from the reinforcement block (5); the flow guide tube (18) is connected to a plurality of reinforcement tubes (19) via a joint; the lower end of the reinforcement tube (19) is sealed; and the plurality of reinforcement tubes (19) are installed on the inner wall of the clamping jaw (4) away from the reinforcement block (5).

2. The automatic controlled adaptive fixture according to claim 1, characterized in that: The inflation device comprises a shunt pipe (14), wherein a plurality of the shunt pipes (14) are respectively mounted on both sides of the upper side wall of the mounting seat (3), the air pipe (2) is respectively connected to the plurality of shunt pipes (14) and is sealed, the plurality of the shunt pipes (14) are connected to a plurality of diffuser pipes (15), two of the diffuser pipes (15) extend into a clamp (4), an exhaust pipe (12) is located below the diffuser pipe (15), the diffuser pipe (15) is fixedly sealed with the side wall of the sealing groove (9), the connection between the diffuser pipe (15) and the sealing groove (9) is always located below the sealing plug (10), an electromagnetic valve (16) is mounted on the diffuser pipe (15), an exhaust pipe (12) is mounted on the side wall of the sealing groove (9), an exhaust valve (13) is mounted on the exhaust pipe (12), and the connecting rod (24) is connected to the fixed block (8).

3. The automatic controlled adaptive fixture according to claim 1, characterized in that: The multi-stage crank arm (7) comprises a plurality of auxiliary rods (20) arranged in sequence from top to bottom, the plurality of auxiliary rods (20) having the same length, two adjacent auxiliary rods (20) being rotatably connected together via a rotating member, the auxiliary rod (20) closest to the support rod (6) being rotatably connected to the support rod (6) via a rotating member, and the auxiliary rod (20) closest to the fixed block (8) being rotatably connected to the fixed block (8) via a rotating member.

4. The automated controlled adaptive fixture according to claim 1, characterized in that: The multi-stage crank arm (7) comprises three auxiliary rods (20) arranged in sequence from top to bottom, the lengths of the three auxiliary rods (20) becoming shorter in sequence from top to bottom, two adjacent auxiliary rods (20) being rotatably connected together via a rotating member, the auxiliary rod (20) closest to the support rod (6) being rotatably connected to the support rod (6) via a rotating member, and the auxiliary rod (20) closest to the fixed block (8) being rotatably connected to the fixed block (8) via a rotating member.

5. An automated controlled adaptive fixture according to any one of claims 1 to 4, characterized in that: The inner wall of the clamping jaw (4) away from the reinforcing block (5) is provided with a plurality of airbags (21) made of elastic material, and two adjacent airbags (21) are connected via a deformable hose, and the side wall of one of the airbags (21) is connected with a flow tube (22), and the flow tube (22) is fixedly sealed with the inner wall of the adjacent sealing groove (9), and the connection between the flow tube (22) and the sealing groove (9) is always located below the sealing plug (10), and the side wall of the sealing groove (9) is provided with an air pressure sensor (23), and the air pressure sensor (23) is used to measure the air pressure in the sealed space formed between the plurality of airbags (21), the bottom of the sealing plug (10) and the sealing groove (9).

6. The automatic controlled adaptive fixture according to claim 5, characterized in that: The plurality of airbags (21) are evenly arranged on the inner wall of the clamp (4), and the plurality of airbags (21) are all in the shape of long strips. The plurality of airbags (21) are arranged along the shape of the inner wall of the clamp (4).

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