Clamp convenient for clamping irregular object

Abstract

The utility model discloses a clamp convenient for clamping irregular objects, which belongs to the technical field of mechanical manufacturing, and adopts the technical scheme that the clamp comprises a support table, an adjusting component is arranged at the top of the support table, a clamping component is arranged at the bottom of the adjusting component, the adjusting component comprises a fixed seat fixedly connected to the front side of the support table, and a clamping component is arranged at the bottom of the clamping component. The right side of the fixing base is in bolted connection with a driving motor, the output end of the driving motor is fixedly connected with a double-shaft lead screw, and the problems that an existing clamp for clamping irregular objects cannot conveniently conduct automatic positioning according to the irregular objects of different sizes and shapes, consequently, the positions of the objects need to be manually adjusted by operators, the production efficiency is affected, and the production cost is lowered can be solved. The problems that in the prior art, the clamping force is not convenient to adjust and adapt to different irregular objects, the clamping force provided for the objects which are smooth in surface and prone to sliding is prone to being insufficient, consequently, the objects are prone to displacement in the subsequent machining process, and the clamping stability is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical manufacturing technical field, especially a clamp convenient to irregular object clamping. BACKGROUND

[0002] With the diversification of market demand, the personalization and customization trend of products is more and more obvious, and various irregular objects of different shapes and sizes will be encountered in production, therefore, the clamp needs to have stronger universality and adaptability, and can quickly switch to clamp different objects to meet the requirements of diversified production.

[0003] In the process of processing forgings, a clamp needs to be used, and the traditional clamp needs to use two groups of opening and closing type clamping arms when clamping forgings, and then drives the clamping arms as a whole to translate and rotate, so as to drive and process the forgings in the clamping state.

[0004] The existing patent (announcement number: CN217858624U) a kind of irregular clamp for clamping stable forging production, by setting up clamping block, the slot of being opened in clamping block, so that the whole clamp can cope with some shaft workpieces of smaller specification, while guaranteeing the stability of bearing workpiece position in clamping process, avoid the situation that clamping position deviates, by setting up clamping piece, using clamping piece can guarantee that clamping block and clamping arm will not be loose after being connected, while when needing to remove clamping block, only need to separate card and card slot, and insert rod can be extracted, disassembly and assembly are extremely convenient, can be assembled according to production needs.

[0005] For the above problems, the existing patent provides a solution, the existing clamp for clamping irregular object is not convenient for automatic positioning according to irregular object of different sizes and shapes, which leads to the need for manual adjustment of object position by operating personnel, affecting production efficiency, and is not convenient for self-adjusting and adapting clamping force to different irregular objects, and the clamping force provided by the object facing the smooth surface is prone to be insufficient, leading to displacement of the object during subsequent processing, affecting the stability of clamping.

[0006] Therefore, a clamp for clamping irregular object is proposed. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing a clamp for clamping irregular object, which can solve the problem of the existing clamp for clamping irregular object, which is not convenient for automatic positioning according to irregular object of different sizes and shapes, leading to the need for manual adjustment of object position by operating personnel, affecting production efficiency, and is not convenient for self-adjusting and adapting clamping force to different irregular objects, and the clamping force provided by the object facing the smooth surface is prone to be insufficient, leading to displacement of the object during subsequent processing, affecting the stability of clamping.

[0008] To achieve the above object, the utility model provides following technical scheme: a clamp convenient to irregular object clamping, including support platform, the top of support platform is provided with adjusting assembly, the bottom of adjusting assembly is provided with clamping assembly,

[0009] The adjusting assembly includes a fixed seat fixedly connected to the front side of the support table, a driving motor is bolted to the right side of the fixed seat, a double-shaft screw rod is fixedly connected to the output end of the driving motor, connecting blocks are threadedly connected to the two sides of the double-shaft screw rod, a support frame is bolted to the top of the connecting block, a sliding groove is formed in the top of the support table, the support frame is slidably connected with the sliding groove, and a hydraulic cylinder is bolted to the top of the support frame.

[0010] Preferably, the clamping assembly includes a moving frame bolted to the bottom of the hydraulic cylinder, a clamping block is bolted to the inside of the moving frame, an electric telescopic rod is bolted to the inside of the clamping block, a spring pressure monitor is bolted to the output end of the electric telescopic rod, and a clamping rod is bolted to the outside of the spring pressure monitor.

[0011] Preferably, a clamping seat is bolted to the inside of the moving frame, a return spring is bolted to the inside of the clamping seat, a rotating piece is fixedly connected to the outside of the return spring, and a suction cup is arranged on the outside of the rotating piece.

[0012] Preferably, a gas pump is bolted to the outside of the moving frame, and the output end of the gas pump is communicated with the suction cup.

[0013] Preferably, a limiting groove is formed in the inside of the support frame, a limiting seat is slidably connected to the inside of the limiting groove, a fixed plate is bolted to the outside of the limiting seat, and the fixed plate is bolted to the moving frame.

[0014] Preferably, an auxiliary block is bolted to the rear side of the support table, a support rod is fixedly connected to the inside of the auxiliary block, and the support rod is slidably connected with the connecting block.

[0015] Preferably, a support leg is fixedly connected to the bottom of the support table, and a rubber foot pad is bolted to the bottom of the support leg.

[0016] Preferably, a laser ranging sensor is bolted to the top of the support frame, and the laser ranging sensor is located on the top of the clamping block.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1、The adjusting assembly can quickly and accurately position the appropriate position of the object to be clamped, ensure the accuracy of the clamping position, improve the accuracy of processing or operation, make the clamp adapt to irregular objects of different sizes and shapes, so as to meet the clamping demand of different workpieces in diversified production, and improve the production efficiency.

[0019] 2. This application enables adaptive clamping of irregular object surfaces through its clamping components. Compared to traditional single clamping, it allows the clamp to generate two different clamping forces and provide appropriate clamping forces to ensure clamping stability and prevent displacement of the object during processing or operation. Attached Figure Description

[0020] Figure 1 This is an overall structural diagram of a clamp for easily holding irregular objects according to the present invention;

[0021] Figure 2 This is a schematic diagram of the structure of the adjustment component of this utility model;

[0022] Figure 3 This is a cross-sectional view of the clamping assembly of this utility model;

[0023] Figure 4 This is a rear view of the support platform of this utility model;

[0024] Figure 5 This is a schematic diagram of the support frame of this utility model.

[0025] In the diagram, 1. Support platform; 2. Limiting groove; 3. Limiting seat; 4. Adjustment component; 401. Fixed seat; 402. Drive motor; 403. Dual-axis lead screw; 404. Connecting block; 405. Support frame; 406. Sliding groove; 407. Hydraulic cylinder; 5. Clamping component; 501. Moving frame; 502. Clamping block; 503. Electric telescopic rod; 504. Spring pressure monitor; 505. Clamping rod; 506. Clamping seat; 507. Return spring; 508. Rotating component; 509. Suction cup; 510. Air pump; 6. Fixed plate; 7. Auxiliary block; 8. Support rod; 9. Support leg; 10. Rubber foot pad; 11. Laser rangefinder sensor. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-5 The present invention provides the following technical solution:

[0028] A clamp for gripping irregular objects includes a support platform 1, an adjustment component 4 on the top of the support platform 1, and a clamping component 5 on the bottom of the adjustment component 4.

[0029] The adjusting assembly 4 comprises a fixed seat 401 fixedly connected to the front side of the support table 1, a driving motor 402 is bolted to the right side of the fixed seat 401, the output end of the driving motor 402 is fixedly connected with a double-shaft screw rod 403, the two sides of the double-shaft screw rod 403 are threadedly connected with connecting blocks 404, the top of each connecting block 404 is bolted with a support frame 405, the top of the support table 1 is provided with a sliding groove 406, the support frame 405 is slidably connected with the sliding groove 406, and the top of the support frame 405 is bolted with a hydraulic cylinder 407.

[0030] In this embodiment: by starting the driving motor 402, the output end of the driving motor 402 is then driven to rotate the double-shaft screw rod 403, since the two sides of the double-shaft screw rod 403 are threadedly connected with the connecting blocks 404, when the screw rod rotates, the connecting blocks 404 on the two sides will move according to the rotating direction of the screw rod, and the support frame 405 bolted to the top of the connecting block 404 will move synchronously with the connecting block 404, at the same time, the support frame 405 at the bottom slides in the sliding groove 406 opened at the top of the support table 1, the sliding groove 406 plays a limiting role, effectively preventing the support frame 405 from deviating and shaking during movement, and ensuring the stability and accuracy of the movement, according to the object height and barycentric position data given by the laser ranging sensor 11, the hydraulic cylinder 407 is started, and then the hydraulic cylinder 407 drives the bottom moving frame 501 to move downward until the moving frame 501 is aligned with the barycentric position of the object to be clamped, at this time, the double-shaft screw rod 403 continuously drives the support frame 405 to move to the two sides of the object to be clamped, so that the clamping rods 505 inside the clamping blocks 502 gradually approach and contact the surface of the object to be clamped.

[0031] Specifically, as shown in Figure 3 , Figure 4 , the clamping assembly 5 comprises a moving frame 501 bolted to the bottom of the hydraulic cylinder 407, a clamping block 502 is bolted inside the moving frame 501, an electric telescopic rod 503 is bolted inside the clamping block 502, a spring pressure monitor 504 is bolted to the output end of the electric telescopic rod 503, and a clamping rod 505 is bolted to the outer side of the spring pressure monitor 504.

[0032] Specifically, as shown in Figure 3 , Figure 5 , the moving frame 501 is bolted with a clamping seat 506, the clamping seat 506 is bolted with a reset spring 507, the reset spring 507 is fixedly connected with a rotating piece 508 on the outer side, and a suction cup 509 is arranged on the outer side of the rotating piece 508.

[0033] Specifically, as shown in Figure 3 , Figure 4 , the outer side of the moving frame 501 is bolted with an air pump 510, and the output end of the air pump 510 is communicated with the suction cup 509.

[0034] In the embodiment: by moving the frame 501 to drive the clamping block 502 and the clamping seat 506 to move, then the clamping rod 505 inside the clamping block 502 will generate pressure on the spring pressure monitor 504 inside, the spring pressure monitor 504 monitors the pressure change in real time, once the pressure is too small or zero, the corresponding electric telescopic rod 503 inside will be started, then the electric telescopic rod 503 pushes the clamping rod 505 to move, until the spring pressure monitor 504 monitors the clamping rod 505 to generate normal pressure value, so as to ensure the stability of clamping, at the same time, the suction cup 509 inside the clamping seat 506 will also contact with the surface of the object to be clamped, when the surface of the object to be clamped is irregular or smooth, the force generated by the movement of the clamping seat 506 will make the rotating part 508 rotate correspondingly, the rotation of the rotating part 508 can make the main clamping end of the suction cup 509 stably contact with the surface of the object to be clamped, so as to ensure that the suction cup 509 can effectively adsorb the object, then the air pump 510 outside the moving frame 501 is started, the air pump 510 communicates with the suction cup 509 through the built-in connecting hose, so that the negative pressure is formed inside the suction cup 509, thereby stably adsorbed on the outside of the object to be clamped, further enhancing the clamping effect, when the clamping operation is completed, the air pump 510 is closed, then after the air pump 510 stops working, the pressure inside the suction cup 509 returns to normal, the adsorption with the object is released, at the same time, the reset spring 507 inside the clamping seat 506 plays a role, drives the rotating part 508 and the suction cup 509 to reset, ready for the next clamping operation.

[0035] Specifically, as shown in Figure 5 The inner side of the support frame 405 is provided with a limiting groove 2, the inner side of the limiting groove 2 is slidably connected with a limiting seat 3, the outer side of the limiting seat 3 is bolted with a fixed plate 6, and the fixed plate 6 is bolted with the moving frame 501.

[0036] Specifically, as shown in Figure 4 The rear side of the support table 1 is bolted with an auxiliary block 7, the inner side of the auxiliary block 7 is fixedly connected with a support rod 8, and the support rod 8 is slidably connected with the connecting block 404.

[0037] In the embodiment, when the hydraulic cylinder 407 drives the moving frame 501 to move up and down, the fixed plate 6 connected to the moving frame 501 moves synchronously, at this time, the limiting seat 3 outside the fixed plate 6 slides in the limiting groove 2 inside the support frame 405, and the limiting structure also plays a role in the process of driving the motor 402 to drive the double-shaft screw rod 403 to move the connecting block 404 and the support frame 405 left and right, so as to improve the clamping accuracy of irregular objects, avoid the deviation of the clamping position caused by the instability of the moving frame 501, and improve the stability and directionality of the movement of the connecting block 404 by setting the auxiliary block 7 and the supporting rod 8, so as to prevent the connecting block 404 from twisting or deviating during movement, and improve the reliability and accuracy of the entire clamp when clamping irregular objects.

[0038] Specifically, as shown in Figure 1 、 Figure 4 , the bottom of the support table 1 is fixedly connected with a supporting leg 9, and the bottom of the supporting leg 9 is connected with a rubber foot pad 10.

[0039] Specifically, as shown in Figure 4 、 Figure 5 , the top of the support frame 405 is connected with a laser ranging sensor 11, and the laser ranging sensor 11 is located at the top of the clamping block 502.

[0040] In the embodiment, the rubber foot pad 10 increases the friction between the ground and the supporting leg 9, prevents the clamp from moving due to vibration or external force during work, and at the same time, the rubber foot pad 10 has elasticity, can buffer the vibration during work, reduces the influence of vibration on clamping accuracy, ensures the stability of clamping operation, improves the overall working performance of the clamp, and through the setting of the laser ranging sensor 11, the quick measurement and positioning of irregular objects can be realized, so that the clamp can accurately adjust the clamping position according to the actual size and gravity center of the object, improve the clamping efficiency, reduce the time and error of manual measurement and positioning, ensure that the clamping assembly 5 can accurately align the gravity center of the object, optimize the clamping effect, and enhance the adaptability of the clamp to irregular objects of different shapes and sizes.

[0041] Working principle: in the process of using the irregular object clamping clamp, first place the object to be clamped on the top of the support table 1, then start and use the laser ranging sensor 11 to measure the object to be clamped, its laser ranging sensor 11 can accurately obtain the height information of the object, and analyze its gravity center position through data, when the measurement is completed, start the drive motor 402, then the output end of the drive motor 402 runs to drive the double shaft lead screw 403 to rotate, because the double shaft lead screw 403 is screw connected with the connecting block 404 on both sides, when the lead screw rotates, the connecting block 404 on both sides will move according to the rotating direction of the lead screw, the support frame 405 bolted on the top of the connecting block 404 will move synchronously with the connecting block 404, at the same time, the support frame 405 at the bottom slides in the sliding groove 406 opened on the top of the support table 1, the sliding groove 406 plays a limiting role, effectively prevents the support frame 405 from deviating and shaking during movement, ensures the stability and accuracy of its movement, according to the object height and gravity center position data given by the laser ranging sensor 11, start the hydraulic cylinder 407, then the hydraulic cylinder 407 drives the moving frame 501 at the bottom to move downward, until the moving frame 501 is aligned with the gravity center position of the object to be clamped, at this time, the double shaft lead screw 403 continuously drives the support frame 405 to move to both sides of the object to be clamped, so that the clamping rod 505 inside the clamping block 502 gradually approaches and contacts the surface of the object to be clamped, as the clamping block 502 continues to move, the clamping rod 505 inside the clamping block 502 will generate pressure on the spring pressure monitor 504 inside, the spring pressure monitor 504 monitors the pressure change in real time, once the pressure is too small or zero, the corresponding electric telescopic rod 503 inside will start, then the electric telescopic rod 503 pushes the clamping rod 505 to move, until the spring pressure monitor 504 monitors that the clamping rod 505 generates normal pressure value, so as to ensure the stability of clamping, at the same time, the suction cup 509 inside the clamping seat 506 will also contact the surface of the object to be clamped, when the surface of the object to be clamped is irregular or smooth, the force generated by the movement of the clamping seat 506 will make the rotating part 508 rotate correspondingly, the rotation of the rotating part 508 can make the main clamping end of the suction cup 509 stably contact the surface of the object to be clamped, so as to ensure that the suction cup 509 can effectively adsorb the object, then start the air pump 510 outside the moving frame 501, the air pump 510 communicates with the suction cup 509 through the built-in connecting hose, so that the negative pressure is formed in the suction cup 509, thereby stably adsorbing on the outside of the object to be clamped, further enhancing the clamping effect, when the clamping operation is completed, close the air pump 510, then after the air pump 510 stops working, the pressure in the suction cup 509 returns to normal, the adsorption with the object is released, at the same time, the return spring 507 inside the clamping seat 506 plays a role, drives the rotating part 508 and the suction cup 509 to reset, prepares for the next clamping operation.

[0042] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A gripper for facilitating gripping of irregular objects, comprising a support table (1), characterized in that: The top of the support table (1) is provided with an adjusting assembly (4), and the bottom of the adjusting assembly (4) is provided with a clamping assembly (5); The adjusting assembly (4) comprises a fixed seat (401) fixedly connected to the front side of the support table (1), a driving motor (402) bolted to the right side of the fixed seat (401), a double-shaft screw rod (403) fixedly connected to the output end of the driving motor (402), and a connecting block (404) threadedly connected to the two sides of the double-shaft screw rod (403). The top of the connecting block (404) is bolted with a support frame (405), the top of the support frame (405) is bolted with a hydraulic cylinder (407), and the top of the support table (1) is provided with a sliding groove (406) in sliding connection with the support frame (405).

2. The fixture of claim 1, wherein: The clamping assembly (5) comprises a moving frame (501) bolted to the bottom of the hydraulic cylinder (407), a clamping block (502) bolted to the inside of the moving frame (501), an electric telescopic rod (503) bolted to the inside of the clamping block (502), a spring pressure monitor (504) bolted to the output end of the electric telescopic rod (503), and a clamping rod (505) bolted to the outside of the spring pressure monitor (504).

3. The fixture of claim 2, wherein: The moving frame (501) is internally bolted with a clamping seat (506), the clamping seat (506) is internally bolted with a return spring (507), the return spring (507) is fixedly connected with a rotating part (508) on the outside, and the rotating part (508) is provided with a suction cup (509) on the outside.

4. The fixture of claim 3, wherein: The moving frame (501) is bolted with an air pump (510) on the outside, and the output end of the air pump (510) is in communication with the suction cup (509).

5. The fixture of claim 2, wherein: The inside of the support frame (405) is provided with a limiting groove (2), the inside of the limiting groove (2) is in sliding connection with a limiting seat (3), the outside of the limiting seat (3) is bolted with a fixed plate (6), and the fixed plate (6) is bolted with the moving frame (501).

6. The fixture of claim 1, wherein: The rear side of the support table (1) is bolted with an auxiliary block (7), the inside of the auxiliary block (7) is fixedly connected with a support rod (8), and the support rod (8) is in sliding connection with the connecting block (404).

7. The fixture of claim 1, wherein: The bottom of the support table (1) is fixedly connected with a support leg (9), and the bottom of the support leg (9) is bolted with a rubber foot pad (10).

8. The fixture of claim 2, wherein: The top of the support frame (405) is bolted with a laser ranging sensor (11), and the laser ranging sensor (11) is located on the top of the clamping block (502).

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