Rotatable mechanical gripper device

By designing a rotatable robotic gripper device and utilizing multi-rod linkage and rotating components, the problem of inflexible grasping of traditional robotic grippers on high-speed production lines is solved, achieving efficient and stable object clamping and grasping that can adapt to different environments.

CN223369444UActive Publication Date: 2025-09-23WUXI HEFENG INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202422667912.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-09-23
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

Traditional robotic grippers have difficulty in quickly and accurately grasping and placing objects on high-speed automated production lines, and their flexibility is limited, making them unable to meet the needs of efficient production.

Method used

A rotatable robotic gripper device was designed. Through the multi-rod linkage of the gripper assembly and the cooperation of the rotating assembly, the flexible adjustment and rotation functions of the gripper are realized. The gripping point and gripping force can be adjusted according to the shape and size of the object to ensure firm clamping and can grasp in different directions.

Benefits of technology

The robot gripper has improved its operational flexibility and grasping accuracy, can easily cope with narrow spaces and complex layouts, reduce object loosening and falling, ensure production stability and safety, and save time in changing grippers.

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Abstract

The utility model discloses a rotatable mechanical gripper device, which belongs to the technical field of mechanical grippers, and comprises a shell, a clamping jaw assembly is arranged in the shell, the clamping jaw assembly comprises a fixing plate, first connecting rods are hinged to the front side and the rear side of the fixing plate, second connecting rods are hinged to the top ends of the four sets of connecting rods, and the first connecting rods and the second connecting rods are hinged to the top ends of the four sets of connecting rods. The top ends of the two sets of second connecting rods located on the same side are hinged to the same set of clamping plates, for objects of different specifications and sizes, the mechanical gripper can adjust the clamping point and the clamping force according to the shapes and the sizes of the objects, it is ensured that clamping is firm and stable, and the objects are prevented from loosening or falling off in the carrying or machining process; product damage and safety accidents are reduced, the angle of the rotatable clamping jaw can be adjusted according to the specific condition of an object, grabbing from different directions is achieved, the operation flexibility is greatly improved, the rotating clamping jaw can be accurately adjusted to the optimal grabbing position, and firm clamping is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical grippers, in particular to a rotatable mechanical gripper device. Background Art

[0002] In modern industrial production and automation, robotic grippers are a vital tool, widely used across various industries. With the continuous advancement of technology and increasing production demands, traditional robotic grippers are gradually showing some limitations. High-speed automated production lines require robotic grippers that can quickly and accurately grasp and place objects to meet production cycle requirements. The single grasping method and limited flexibility of traditional robotic grippers make it difficult to meet the demands of such efficient production. Therefore, we propose a rotatable robotic gripper device to address this issue. Utility Model Content

[0003] The purpose of the present invention is to provide a rotatable mechanical gripper device to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] The top of the two connecting rods is hinged on the top of two supporting plates, and the top of the two supporting plates is hinged on two supporting plates, and the bottom of the two supporting plates is hinged on two supporting plates.

[0006] Preferably, an electric push rod is fixedly mounted on the bottom inner wall of the shell, and the output end of the electric push rod is fixedly connected to the fixing plate.

[0007] Preferably, short plates are rotatably mounted on both ends of the worm, a motor 1 is fixedly mounted on one side of the short plate located on the front side, and the output end of the motor 1 is fixedly connected to the worm.

[0008] Preferably, the two groups of connecting rods 2 located on the same side are both rotatably installed with rotating shafts inside, and the two groups of rotating shafts are fixedly connected to the inner walls on both sides of the shell.

[0009] Preferably, a frame is provided at the bottom of the shell, the bevel gear 1 and the bevel gear 2 are both provided inside the frame, the connecting shaft and the rotating shaft are both rotatably connected to the frame, and the two groups of short plates are both fixedly connected to the frame.

[0010] Preferably, two groups of telescopic cylinders are fixedly installed on the top of the shell, the top ends of the two groups of telescopic cylinders are fixedly connected to the fixing plate, and the sides of the two groups of clamping plates close to each other are provided with anti-slip pads.

[0011] The present invention relates to a rotatable mechanical gripper device, which is provided with a shell, a connecting rod 1, a connecting rod 2, a connecting rod 3, a rotating shaft, a fixed plate, a clamping plate and a mounting plate. The electric push rod is driven to drive the fixed plate at the top to move up and down. The connecting rod 1, the connecting rod 2, the connecting rod 3 and the rotating shaft cooperate with each other so that when the fixed plate moves horizontally upward, the two groups of clamping plates move away from each other, and when the fixed plate moves horizontally downward, the two groups of clamping plates move closer to each other, so that objects can be clamped and fixed. For objects of different specifications and sizes, the mechanical gripper can adjust the clamping point and the size of the clamping force according to their shapes and sizes, ensuring that the clamping is firm and stable, avoiding loosening or falling of objects during transportation or processing, reducing product damage and safety accidents, and eliminating the need to frequently replace the clamping jaws, which greatly saves time and increases the flexibility of the device.

[0012] In the utility model, a rotatable mechanical gripper device is provided with a rotating assembly and a frame. By driving motor 1, motor 1 drives the worm to rotate, which drives the worm to rotate the worm wheel, which drives the connecting shaft to rotate, which drives the bevel gear 2 to rotate the top shaft, which drives the shell to rotate, and the clamping assembly rotates, thereby realizing the function of rotating the clamping assembly. The rotatable clamping jaw can adjust the angle according to the specific situation of the object to achieve grasping from different directions, greatly improving the flexibility of operation. No matter in a narrow space, complex layout or special angle working environment, it can be easily coped with, and the rotating clamping jaw can be accurately adjusted to the best grasping position to ensure firm clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of a rotatable mechanical gripper device proposed in the present invention;

[0014] Figure 2 This is a schematic cross-sectional view of a rotatable robotic gripper device proposed in the present invention;

[0015] Figure 3 This is a schematic diagram of the structure of the clamping jaw assembly proposed in the present invention;

[0016] Figure 4 This is a schematic diagram of the rotating assembly structure proposed by the present utility model.

[0017] In the figure: 1. frame; 2. shell; 3. clamping jaw assembly; 301. fixing plate; 302. connecting rod 1; 303. connecting rod 2; 304. rotating shaft; 305. mounting plate; 306. connecting rod 3; 307. clamping plate; 308. anti-slip pad; 4. rotating assembly; 401. worm; 402. worm gear; 403. connecting shaft; 404. bevel gear 1; 405. bevel gear 2; 406. rotating shaft; 407. motor 1; 408. short plate; 5. electric push rod; 6. telescopic cylinder. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described 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.

[0019] Reference Figure 1-4 A rotatable manipulator gripper device comprises: a housing 2, a gripper assembly 3 is provided inside the housing 2, the gripper assembly 3 comprises: a fixing plate 301, the front and rear sides of the fixing plate 301 are hinged with a connecting rod 1 302, the tops of the four groups of connecting rods are hinged with a connecting rod 2 303, the tops of the two groups of connecting rods 2 303 on the same side are hinged with the same group of clamping plates 307, mounting plates 305 are fixedly installed on the inner walls of both sides of the housing 2, the front and rear sides of the mounting plate 305 are hinged with two groups of connecting rods 306, the two groups on the same side are hinged with the same group of clamping plates 307, The top end of the connecting rod group three 306 is hinged to the corresponding splint 307, and a rotating assembly 4 is provided at the bottom of the shell 2. The rotating assembly 4 includes: a worm 401 and a worm wheel 402, the worm wheel 402 is meshed with the worm 401, and a connecting shaft 403 is fixedly installed inside the worm wheel 402, and a bevel gear 1 404 is fixedly installed at one end of the connecting shaft 403. A rotating shaft 406 is fixedly installed at the bottom of the shell 2, and a bevel gear 2 405 is fixedly installed at the bottom of the rotating shaft 406, and the bevel gear 1 404 is meshed with the bevel gear 2 405.

[0020] Preferably, an electric push rod 5 is fixedly installed on the bottom inner wall of the shell 2, and the output end of the electric push rod 5 is fixedly connected to the fixed plate 301, which facilitates the movement of the fixed plate 301 and facilitates the effective clamping and fixation of objects of different sizes. Short plates 408 are rotatably installed at both ends of the worm 401, and a motor 407 is fixedly installed on one side of the short plate 408 located on the front side. The output end of the motor 407 is fixedly connected to the worm 401, which facilitates the rotation of the worm 401 and the rotation of the clamping jaw assembly 3.

[0021] Preferably, the interiors of the two sets of connecting rods 2 303 located on the same side are both rotatably installed with rotating shafts 304, and the two sets of rotating shafts 304 are fixedly connected to the inner walls on both sides of the shell 2, so that the splint 307 can effectively clamp objects of different sizes. A frame 1 is provided at the bottom of the shell 2, and bevel gear 1 404 and bevel gear 2 405 are both arranged inside the frame 1, and the connecting shaft 403 and the rotating shaft 406 are both rotatably connected to the frame 1. The two sets of short plates 408 are fixedly connected to the frame 1, which is convenient for protecting the bevel gear 1 404 and bevel gear 2 405. Two sets of telescopic cylinders 6 are fixedly installed on the top of the shell 2, and the top ends of the two sets of telescopic cylinders 6 are fixedly connected to the fixed plate 301. The side where the two sets of splints 307 are close to each other is provided with an anti-slip pad 308, which facilitates the stable movement of the fixed plate 301 and facilitates more stable clamping of objects.

[0022] When the fixing plate 301 moves upward, the two groups of clamping plates 307 move away from each other, and when the fixing plate 301 moves downward, the two groups of clamping plates 307 move closer to each other, so that the object can be clamped and fixed. By driving the motor 1 407, the motor 1 407 drives the worm 401 to rotate, so that the worm 401 drives the worm gear 402 to rotate, so that the worm gear 402 drives the connecting shaft 403 to rotate, so that the connecting shaft drives the bevel gear 1 404 to rotate, so that the bevel gear 1 404 drives the bevel gear 2 405 to rotate, so that the bevel gear 2 405 drives the rotating shaft 406 to rotate, so that the bevel gear 2 405 drives the rotating shaft 406 to rotate, so that the rotating shaft 406 drives the housing 2 to rotate, so that the clamping jaw assembly 3 rotates, thereby realizing the function of rotating the clamping jaw assembly 3.

[0023] The above is a detailed introduction to the rotatable mechanical gripper device provided by the present invention. Specific embodiments are used herein to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only intended to help understand the method and core concept of the present invention. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A rotatable robotic gripper device, characterized in that: include: A shell (2) is provided with a clamping jaw assembly (3) inside the shell (2), and the clamping jaw assembly (3) includes: a fixed plate (301), the front and rear sides of the fixed plate (301) are hinged with a connecting rod 1 (302), the top ends of the four groups of connecting rods are hinged with a connecting rod 2 (303), the top ends of the two groups of connecting rods 2 (303) located on the same side are hinged with the same group of clamping plates (307), and mounting plates (305) are fixedly installed on the inner walls of both sides of the shell (2), the front and rear sides of the mounting plate (305) are hinged with two groups of connecting rods 3 (306), the top ends of the two groups of connecting rods 3 (306) located on the same side are hinged with the same group of clamping plates (307). The corresponding clamping plates (307) are hinged, and a rotating assembly (4) is provided at the bottom of the housing (2), and the rotating assembly (4) includes: a worm (401) and a worm wheel (402), the worm wheel (402) is meshed with the worm (401), a connecting shaft (403) is fixedly installed inside the worm wheel (402), and a bevel gear 1 (404) is fixedly installed at one end of the connecting shaft (403), a rotating shaft (406) is fixedly installed at the bottom of the housing (2), and a bevel gear 2 (405) is fixedly installed at the bottom of the rotating shaft (406), and the bevel gear 1 (404) is meshed with the bevel gear 2 (405).

2. A rotatable manipulator gripper device according to claim 1, characterized in that: An electric push rod (5) is fixedly mounted on the bottom inner wall of the housing (2), and the output end of the electric push rod (5) is fixedly connected to the fixing plate (301).

3. A rotatable manipulator gripper device according to claim 1, characterized in that: Short plates (408) are rotatably mounted on both ends of the worm (401), and a motor (407) is fixedly mounted on one side of the short plate (408) located at the front side, and the output end of the motor (407) is fixedly connected to the worm (401).

4. A rotatable manipulator gripper device according to claim 1, characterized in that: The two groups of connecting rods (303) located on the same side are both rotatably mounted with rotating shafts (304) inside, and the two groups of rotating shafts (304) are both fixedly connected to the inner walls on both sides of the shell (2).

5. The rotatable manipulator gripper device according to claim 3, characterized in that: A frame (1) is provided at the bottom of the housing (2); the bevel gear 1 (404) and the bevel gear 2 (405) are both provided inside the frame (1); the connecting shaft (403) and the rotating shaft (406) are both rotatably connected to the frame (1); and the two sets of short plates (408) are both fixedly connected to the frame (1).

6. The rotatable manipulator gripper device according to claim 1, characterized in that: Two groups of telescopic cylinders (6) are fixedly mounted on the top of the housing (2), the top ends of the two groups of telescopic cylinders (6) are fixedly connected to the fixed plate (301), and anti-slip pads (308) are provided on the sides of the two groups of clamping plates (307) that are close to each other.