Manipulator clamping jaw

By designing a robot clamping jaw including a robot arm, a connecting block, a mounting plate, a rotating plate, an external plate, a clamping hand and a screw, the problems of unstable limit position of the workpiece with a thick clamping thickness and loss of clamping force during emergency stop in the prior art are solved, and a stable clamping effect is achieved without damaging the workpiece.

CN222661768UActive Publication Date: 2025-03-25FREEWON CHINA CO LTD
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Patent Information

Application Number
CN202421307786.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-25
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The existing robotic jaws are not stable enough when clamping workpieces with thicker thickness, and the clamping force is lost when the equipment is stopped urgently, resulting in the workpiece falling.

Method used

A robot clamping jaw including a robot arm, a connecting block, a mounting plate, a rotating plate, an exterior plate, a clamping hand and a screw rod is designed. By rotating the rotating member, the screw drives the clamping hand movement, so that clamping between the clamping hand and the workpiece is achieved. At the same time, the sensor and motor are used to control the movement of the disc and slide rod to drive the external plate to rotate to ensure stable clamping. The clamping hand is equipped with rubber pads and a clamping hand connected by a spring to enhance friction and prevent damage to the workpiece.

Benefits of technology

It realizes stable clamping of workpieces with thicker thickness, and prevents clamping hands from losing clamping force when the equipment is stopped urgently, and prevents the workpiece from falling. Strong clamping force and does not damage the workpiece.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222661768U_ABST
    Figure CN222661768U_ABST
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Abstract

The utility model relates to the technical field of tool clamps, in particular to a mechanical arm clamping jaw which mainly comprises a mechanical arm. The connecting block is arranged on the mechanical arm; the mounting plate is arranged on the connecting block; the rotating plate is arranged on the mounting plate; the exterior plate is fixedly arranged on the rotating plate; the clamping hand is arranged on the exterior plate; and the screw rod is arranged on the external mounting plate and is used for driving the clamping hands to move. According to the mechanical arm clamping jaw, by controlling rotation of a motor, a disc drives a sliding rod to stretch out and draw back, so that an external loading plate is driven to rotate through a rotating plate, the rotating angle of the external loading plate is fixed, workpiece clamping of the mechanical arm clamping jaw is kept stable, and a rubber pad is fixedly arranged on a clamping hand, so that friction force can be increased; and the external mounting plate is fixedly connected with the clamping hands through the springs, so that the situation that the workpiece is damaged due to the clamping force on the workpiece is prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a manipulator clamp. Background Art

[0002] As the end effector of robots and automation equipment, the manipulator gripper is responsible for accurately grasping, carrying and placing various workpieces. With the in-depth development of industrial automation, the application of manipulator grippers is becoming more and more extensive, and their design, functions and performance have been continuously improved. As an important part of industrial automation and robot operation, the development of manipulator grippers technology and the expansion of their application fields have brought great convenience and benefits to modern industrial production. With the continuous advancement of science and technology and the sustainable development of industry, manipulator grippers will continue to play an important role and contribute to industrial automation and intelligence.

[0003] When the existing clamping jaw structure is in use, the workpiece is clamped only by the clamping arm. When clamping a thick workpiece, the limit of the workpiece may be not stable enough. In addition, common manipulators usually adopt a single grasping method, using the drive component to apply force to the clamping jaw to achieve clamping operation. However, when the equipment stops suddenly due to power failure during operation, the clamping jaw loses its clamping force, causing the object to fall from the clamping jaw, resulting in certain usage defects. Utility Model Content

[0004] The purpose of the utility model is to provide a mechanical gripper to solve the problems raised by the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A robot gripper comprises: a robot arm; a connecting block arranged on the robot arm; a mounting plate arranged on the connecting block; a rotating plate arranged on the mounting plate; an outer plate fixedly arranged on the rotating plate; a gripper arranged on the outer plate; and a screw rod arranged on the outer plate for driving the gripper to move.

[0007] Preferably, a motor is fixedly mounted on the mounting plate, a disc is mounted on the output end of the motor, a slide groove is slidably connected to the disc, a slide rod is fixedly mounted on the slide groove, the slide rod is slidably connected to the mounting plate, a rotating plate is rotatably connected to the mounting plate, a sliding member is fixedly mounted on the sliding rod, and the sliding member is slidably connected to the rotating plate.

[0008] Preferably, a sliding cylinder is fixedly connected to the disc, a sliding groove is slidably connected to the sliding cylinder, and the sliding groove and the disc are slidably connected via the sliding cylinder.

[0009] Preferably, a hanging ear is fixedly connected to the mounting plate, a sliding rod is slidably connected to the hanging ear, and the sliding rod is slidably connected to the mounting plate via the hanging ear.

[0010] Preferably, a hollow plate is fixedly connected to the mounting plate, a rotating plate is rotatably connected to the hollow plate, and the rotating plate is rotatably connected to the mounting plate via the hollow plate.

[0011] Preferably, a special-shaped slide groove is provided on the rotating plate, a sliding member is slidably connected to the special-shaped slide groove, and the sliding member is slidably connected to the rotating plate via the special-shaped slide groove.

[0012] Preferably, an outer plate is fixedly provided on the rotating plate, a screw rod is screwed on the outer plate, a rotating part is fixedly provided on the screw rod, a sensor is fixedly provided on the outer plate, a clamp is fixedly connected to the outer plate, a rubber pad is fixedly provided on the clamp, and the screw rod and the clamp are rotatably connected.

[0013] Preferably, a spring is fixedly connected to the outer plate, a clamp is fixedly connected to the spring, and the clamp is fixedly connected to the outer plate via the spring.

[0014] Compared with the prior art, the utility model has the following beneficial effects: when in use, the staff rotates the rotating part, so that the screw rod drives the gripper to move forward and backward, so that the two sets of grippers are closed to be consistent with the size of the workpiece to be grasped, thereby preventing the gripper from losing its clamping force due to an emergency, causing the object to fall from the gripper. The staff controls the movement of the mechanical arm so that the outer plate comes above the workpiece to be grasped. When the sensor installed on the outer plate recognizes the workpiece to be grasped, the rotation of the motor is controlled, so that the disc drives the slide bar to extend and retract forward and backward, thereby driving the outer plate to rotate through the rotating plate, and the rotation angle of the outer plate is fixed, so that the device maintains a stable clamping of the workpiece, and a rubber pad is fixedly provided on the gripper to increase friction, thereby clamping the workpiece more firmly, and the outer plate and the gripper are fixedly connected by a spring, and the spring is elastic, so as to prevent the workpiece from being damaged due to the clamping force on the workpiece.

[0015] The utility model clamps the workpiece by controlling the clamping hand. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;

[0017] Figure 2 It is a rear-view stereoscopic structural schematic diagram of the utility model;

[0018] Figure 3It is a partial three-dimensional structural schematic diagram of the utility model;

[0019] Figure 4 It is a partial cross-sectional three-dimensional structural schematic diagram of the utility model.

[0020] In the figure: 1. Robotic arm; 2. Connecting block; 3. Mounting plate; 4. Motor; 5. External panel; 6. Rotating part; 7. Screw rod; 8. Sensor; 9. Disc; 10. Slide groove; 11. Hanging ear; 12. Slide rod; 13. Empty plate; 14. Rotating plate; 15. Sliding part; 16. Spring; 17. Clamp; 18. Rubber pad; 19. Special-shaped slide groove; 20. Sliding cylinder. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0022] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application. Example

[0023] See also Figure 1-4The utility model provides a technical solution: a manipulator gripper, a manipulator arm 1; a connecting block 2, arranged on the manipulator arm 1; a mounting plate 3, arranged on the connecting block 2; a rotating plate 14, arranged on the mounting plate 3; an outer plate 5, fixedly arranged on the rotating plate 14; a motor 4 is fixedly arranged on the mounting plate 3, a disc 9 is arranged at the output end of the motor 4, a slide groove 10 is slidably connected on the disc 9, a slide rod 12 is fixedly arranged on the slide groove 10, the slide rod 12 is slidably connected to the mounting plate 3, a rotating plate 14 is rotatably connected to the mounting plate 3, a sliding member 15 is fixedly arranged on the sliding member 12, and the sliding member 15 is slidably connected to the rotating plate 14; the disc 9 is fixed A sliding cylinder 20 is connected, a slide groove 10 is slidably connected to the sliding cylinder 20, and the slide groove 10 and the disc 9 are slidably connected through the sliding cylinder 20; a hanging ear 11 is fixedly connected to the mounting plate 3, a sliding rod 12 is slidably connected to the hanging ear 11, and the sliding rod 12 and the mounting plate 3 are slidably connected through the hanging ear 11; an empty plate 13 is fixedly connected to the mounting plate 3, a rotating plate 14 is rotatably connected to the empty plate 13, and the rotating plate 14 and the mounting plate 3 are rotatably connected through the empty plate 13; a special-shaped slide groove 19 is provided on the rotating plate 14, a sliding member 15 is slidably connected to the special-shaped slide groove 19, and the sliding member 15 and the rotating plate 14 are slidably connected through the special-shaped slide groove 19.

[0024] Because the mounting plate 3 is fixedly connected to the motor 4, a disc 9 is provided at the output end of the motor 4. When the motor 4 is started, a sliding cylinder 20 is fixedly connected to the disc 9, and the slide bar 12 is fixedly connected to the slide groove 10. The sliding cylinder 20 is slidably connected to the slide groove 10. The rotation of the sliding cylinder 20 drives the slide bar 12 to slide back and forth, so that the sliding member 15 fixedly connected to the slide bar 12 drives the rotating plate 14 to rotate. Since the rotating plate 14 is fixedly connected to the outer plate 5, the outer plate 5 is driven to grab the workpiece. Since the rotating plate 14 is provided with a disc 9, the sliding member 15 drives the rotating plate 14 to rotate by sliding with the special-shaped slide groove 19, so that the operation of the device is more stable. Example

[0025] like Figure 3 As shown, a mechanical arm gripper disclosed in the second embodiment of the utility model has a structure that is basically the same as that in the first embodiment, except that a gripper 17 is arranged on the outer plate 5; a screw rod 7 is arranged on the outer plate 5, and is used to drive the gripper 17 to move; the outer plate 5 is fixedly arranged on the rotating plate 14, the screw rod 7 is screwed on the outer plate 5, a rotating part 6 is fixedly arranged on the screw rod 7, a sensor 8 is fixedly arranged on the outer plate 5, the gripper 17 is fixedly connected to the outer plate 5, a rubber pad 18 is fixedly arranged on the gripper 17, and the screw rod 7 is rotationally connected to the gripper 17; a spring 16 is fixedly connected to the outer plate 5, the gripper 17 is fixedly connected to the spring 16, and the gripper 17 and the outer plate 5 are fixedly connected via the spring 16.

[0026] Because the screw rod 7 is threadedly connected to the outer plate 5, and the screw rod 7 is fixedly connected to the rotating member 6, and the screw rod 7 is rotationally connected to the clamping hand 17, the staff can measure the size of the workpiece to be clamped in advance, and then rotate the rotating member 6, so as to control the distance between the two sets of clamping hands 17, so as to control the device to grasp the workpiece. Since the outer plate 5 and the clamping hand 17 are fixedly connected by the spring 16, and the spring 16 is elastic, when the workpiece is grasped, it can prevent the workpiece from being damaged due to the clamping force on the workpiece. The rubber pad 18 is fixedly provided on the clamping hand 17 to increase the friction force, so that the workpiece can be grasped more firmly.

[0027] The specific scheme is as follows: the staff rotates the rotating part 6, so that the screw rod 7 drives the clamping hand 17 to move forward and backward, so that the two groups of clamping hands 17 are closed to be consistent with the size of the workpiece to be grasped, thereby preventing the clamping hand from losing its clamping force due to an emergency, causing the object to fall from the clamping claw. The staff controls the movement of the robot arm 1 so that the outer plate 5 comes above the workpiece to be grasped. When the sensor 8 installed on the outer plate 5 recognizes the workpiece to be grasped, the rotation of the motor 4 is controlled, so that the disc 9 drives the slide bar 12 to extend and retract forward and backward, thereby driving the outer plate 5 to rotate through the rotating plate 14, and the rotation angle of the outer plate 5 is fixed, so that the device maintains a stable clamping of the workpiece, and a rubber pad 18 is fixedly provided on the clamping hand 17, which can increase the friction force, thereby clamping the workpiece more firmly, and the outer plate 5 and the clamping hand 17 are fixedly connected by a spring 16, and the spring 16 is elastic, so as to prevent the workpiece from being damaged due to the clamping force on the workpiece.

[0028] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0029] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A robot gripper, characterized in that: include: Robotic arm (1); A connecting block (2) is arranged on the mechanical arm (1); A mounting plate (3) arranged on the connecting block (2); A rotating plate (14) arranged on the mounting plate (3); An outer plate (5) fixedly mounted on the rotating plate (14); A gripper (17) disposed on the outer panel (5); A screw rod (7) is arranged on the outer plate (5) and is used to drive the gripper (17) to move.

2. A robot gripper according to claim 1, characterized in that: A motor (4) is fixedly arranged on the mounting plate (3), a disc (9) is arranged at the output end of the motor (4), a slide groove (10) is slidably connected to the disc (9), a slide rod (12) is fixedly arranged on the slide groove (10), the slide rod (12) is slidably connected to the mounting plate (3), a rotating plate (14) is rotatably connected to the mounting plate (3), a sliding member (15) is fixedly arranged on the sliding member (12), and the sliding member (15) is slidably connected to the rotating plate (14).

3. A robot gripper according to claim 2, characterized in that: The disc (9) is fixedly connected to a sliding cylinder (20), the sliding cylinder (20) is slidably connected to a sliding groove (10), and the sliding groove (10) and the disc (9) are slidably connected via the sliding cylinder (20).

4. A robot gripper according to claim 2, characterized in that: A hanging ear (11) is fixedly connected to the mounting plate (3), a sliding rod (12) is slidably connected to the hanging ear (11), and the sliding rod (12) and the mounting plate (3) are slidably connected via the hanging ear (11).

5. A robot gripper according to claim 2, characterized in that: A hollow plate (13) is fixedly connected to the mounting plate (3), a rotating plate (14) is rotatably connected to the hollow plate (13), and the rotating plate (14) is rotatably connected to the mounting plate (3) via the hollow plate (13).

6. A robot gripper according to claim 2, characterized in that: The rotating plate (14) is provided with a special-shaped sliding groove (19), a sliding member (15) is slidably connected to the special-shaped sliding groove (19), and the sliding member (15) and the rotating plate (14) are slidably connected via the special-shaped sliding groove (19).

7. A robot gripper according to claim 1, characterized in that: An outer plate (5) is fixedly arranged on the rotating plate (14), a screw rod (7) is screwed on the outer plate (5), a rotating member (6) is fixedly arranged on the screw rod (7), a sensor (8) is fixedly arranged on the outer plate (5), a gripper (17) is fixedly connected to the outer plate (5), a rubber pad (18) is fixedly arranged on the gripper (17), and the screw rod (7) is rotationally connected to the gripper (17).

8. A robot gripper according to claim 7, characterized in that: A spring (16) is fixedly connected to the outer plate (5), a clamping hand (17) is fixedly connected to the spring (16), and the clamping hand (17) is fixedly connected to the outer plate (5) via the spring (16).