Bidirectional manipulator for automobile hub machining

By designing a bidirectional robotic arm for automotive wheel hub processing, employing a five-axis robotic arm and wheel hub gripper assembly, the problem of traditional robotic arms being unable to grasp large-diameter wheel hubs has been solved, achieving efficient and stable wheel hub processing.

CN223863794UActive Publication Date: 2026-02-03ZHEJIANG JUCHUANG ROBOT CO LTD
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Patent Information

Application Number
CN202520548358.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-02-03
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

Traditional gripper cylinder-driven robotic arms have limited stroke when grasping large-diameter car wheel hubs, which cannot meet the needs.

Method used

Design a bidirectional robotic arm for automobile wheel hub processing, employing a five-axis robotic arm and wheel hub gripper assembly, including a square tube, movable plate, adjusting block, linkage assembly and gripper. Through the synergistic action of the adjusting block and movable plate, precise gripping and placement of the wheel hub can be achieved. The five-axis robotic arm serves as an automated device to reduce human intervention.

Benefits of technology

It significantly improves processing efficiency, adapts to the needs of wheel hubs of different sizes and weights, reduces manual intervention, enhances the stability and adaptability of gripping, and reduces damage to the wheel hub surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a two-way manipulator for machining an automobile hub, relates to the technical field of manipulators, and aims to solve the technical problem that the stroke of two grippers driven by a clamping jaw air cylinder in the prior art is limited. According to the key points of the technical scheme, the robot comprises a five-axis mechanical arm, a robot connecting plate is arranged at the tail end of the five-axis mechanical arm, and the robot is characterized in that the two sides of the robot connecting plate are each provided with a hub gripper assembly, and each hub gripper assembly comprises a square pipe, a movable plate, an adjusting block and a gripper; the square tube is fixed to the robot connecting plate through bolts, the two movable plates are slidably installed on the square tube, connecting rod assemblies used for adjusting the distance between the movable plates are arranged at the bottoms of the movable plates, the adjusting blocks are adjustably installed on the movable plates, and the two grippers are arranged on the upper portion of the square tube. And the two adjusting blocks are respectively fixed on the adjusting blocks through bolts. The utility model aims to provide a bidirectional manipulator for processing an automobile hub.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a mechanical hand more specifically, it relates to a kind of for the two-way mechanical hand of automobile hub processing. BACKGROUND

[0002] Mechanical hand is a kind of can imitate the certain action function of hand and arm, to grab, transport object or operate tool according to fixed program, and automatic operation device is used to complete various expected work by programming, and it has the respective advantages of human and mechanical hand machine in structure and performance.Mechanical hand is the earliest industrial robot, and is the earliest modern robot, it can replace the heavy labor of human to realize the mechanization and automation of production, can operate in harmful environment to protect personal safety, and is widely used in machinery manufacturing, metallurgy, electronics, light industry and atomic energy department.

[0003] In prior art, the stroke of two hand grabs driven by traditional gripper cylinder is limited, and the opening and closing distance cannot meet the grabbing requirement of large-diameter automobile hub.

[0004] Therefore, a new technical scheme is needed to solve the above technical problems. INVENTION CONTENTS

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a two-way mechanical hand for automobile hub processing.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a two-way mechanical hand for automobile hub processing, comprising a five-axis mechanical arm, a robot connecting plate is arranged at the end of the five-axis mechanical arm, characterized in that: a group of hub gripper assemblies are arranged on both sides of the robot connecting plate, the hub gripper assembly comprises a square tube, a movable plate, an adjusting block and a hand grab, the square tube is bolted to the robot connecting plate, the specific number of movable plates is two, and each is slidingly installed in the square tube, the movable plate bottom is provided with a connecting rod assembly for adjusting the spacing between movable plates, the adjusting block is adjustably installed on the movable plate, and the specific number of hand grabs is two, and each is bolted to an adjusting block.

[0007] By adopting the above technical scheme: the hub gripper assembly can realize accurate grabbing and placing of hub through the synergistic effect of adjusting block, movable plate and connecting rod assembly, and can also adapt to the grabbing requirements of hub of different sizes and weights through the adjustment of adjusting block and movable plate, five-axis mechanical arm can reduce manual intervention and improve production efficiency as an automated equipment, and the square tube provides support for movable plate and other components.

[0008] The utility model further sets up: the bottom bolt of movable board both sides is fixed with several sliding blocks, both sides the sliding block bottom is connected with two line rails, two the line rail bottom fixed connection square tube.

[0009] The utility model further sets up: the connecting rod assembly includes pivot, short connecting rod and two long connecting rods, the pivot bottom fixed connection in square tube, its top is connected with short connecting rod rotation, long connecting rod one side is connected with short connecting rod one end rotation, its other side is connected with a movable board rotation, the movable board still is provided with the drive assembly for driving movable board.

[0010] The utility model further sets up: the drive assembly includes cylinder fixed base, drive cylinder and cylinder joint, cylinder fixed base one side bolt is fixed in the inner wall of square tube, its other side is fixed with drive cylinder through bolt, cylinder joint one end is connected with the output shaft of drive cylinder rotation, its other end bolt is fixed in movable board bottom.

[0011] The utility model further sets up: square tube both sides all are installed with a casing.

[0012] The utility model further sets up: two hand grab apart adjusting block one side all is provided with several rotating shafts, be provided with several rotating wheels on rotating shaft.

[0013] The utility model further sets up: square tube surface both ends all are provided with a baffle.

[0014] The utility model has following beneficial effect: 1. The mechanical hand of bidirectional design can grab two wheel hubs simultaneously, has improved processing efficiency significantly.

[0015] 2. The connecting rod assembly set up in movable board bottom makes hand grab can be adjusted flexibly according to different size wheel hub, adapts multiple specifications wheel hub processing demand.

[0016] 3. Drive cylinder and cylinder joint cooperation, make the opening and closing operation of movable board more convenient, reduce manual intervention, improve production efficiency.

[0017] 4. The rotating shaft and rotating wheel set up on hand grab make hand grab can better adapt the shape and surface characteristics of wheel hub when grabbing wheel hub, reduce the damage to wheel hub surface, improve the stability and adaptability of grabbing simultaneously. DRAWINGS

[0018] Fig. 1 It is the three-dimensional structure schematic diagram of this embodiment;

[0019] Fig. 2 It is the three-dimensional structure schematic diagram of wheel hub gripper assembly of this embodiment;

[0020] Fig. 3 It is a schematic view of the three-dimensional structure in the square tube of the embodiment.

[0021] BRIEF DESCRIPTION OF DRAWINGS: 1, five-axis mechanical arm; 2, robot connecting plate; 3, hand grab; 4, adjusting block; 5, movable plate; 6, square tube; 7, sliding block; 8, wire rail; 9, rotating shaft; 10, short connecting rod; 11, long connecting rod; 12, cylinder fixing seat; 13, driving cylinder; 14, cylinder joint; 15, cover; 16, rotating shaft; 17, rotating wheel; 18, stop block. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail below in combination with the drawings.

[0023] Wherein, same parts are denoted by same reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0024] As shown in Figs. 1 to 3 A bidirectional mechanical hand for automobile hub processing, comprising a five-axis mechanical arm 1, the end of the five-axis mechanical arm 1 is provided with a robot connecting plate 2, both sides of the robot connecting plate 2 are provided with a set of hub grab hand assemblies, the hub grab hand assembly comprises a square tube 6, a movable plate 5, an adjusting block 4 and a hand grab 3, the square tube 6 is bolted to the robot connecting plate 2, the specific number of the movable plate 5 is two, and the movable plate 5 is slidingly installed on the square tube 6 respectively, the movable plate 5 is provided with a connecting rod assembly for adjusting the spacing between the movable plate 5 at the bottom, the adjusting block 4 is adjustably installed on the movable plate 5, and the specific number of the hand grab 3 is two, and the hand grab 3 is bolted to an adjusting block 4.

[0025] In use, the five-axis mechanical arm 1 moves to a predetermined position, the spacing between the two movable plates 5 is adjusted through the connecting rod assembly, so that the two hand grabs 3 can clamp the hub, and the hub grab hand assembly can realize accurate grabbing and placing of the hub through the cooperation of the adjusting block 4, the movable plate 5 and the connecting rod assembly, and through the adjustment of the adjusting block 4 and the movable plate 5, the hub grabbing demand of different sizes and weights can also be adapted, the five-axis mechanical arm 1 as an automatic equipment can reduce manual intervention and improve production efficiency, and the square tube 6 provides support for the components such as the movable plate 5.

[0026] The bottom of the movable plate 5 on both sides is bolted with a plurality of sliding blocks 7, the bottom of the sliding blocks 7 on both sides is slidingly connected with two wire rails 8, and the bottom of the two wire rails 8 is fixedly connected with the square tube 6.

[0027] The sliding connection design of slider 7 and linear rail 8 can reduce friction and resistance during movement, making the movement of movable plate 5 more stable; stable movement helps to ensure the accuracy and stability of the wheel hub gripper assembly when grabbing and placing the wheel hub. The design of slider 7 and linear rail 8 allows hand grab 3 to have a certain adjustment range to adapt to the processing needs of wheel hubs of different sizes and weights. Square tube 6 as a fixed support structure of linear rail 8 can enhance the rigidity and stability of the whole mechanical hand.

[0028] The connecting rod assembly includes a rotating shaft 9, a short connecting rod 10, and two long connecting rods 11. The rotating shaft 9 is fixedly connected to the bottom of the square tube 6, and its top is rotationally connected to the short connecting rod 10. One side of the long connecting rod 11 is rotationally connected to one end of the short connecting rod 10, and the other side is rotationally connected to a movable plate 5. The movable plate 5 is also provided with a driving assembly for driving the movable plate 5.

[0029] The driving assembly drives a movable plate 5 to move linearly. Since one end of the long connecting rod 11 is connected to the movable plate 5 and the other end is connected to the short connecting rod 10, the movable plate 5 moves linearly. The connection relationship of the long connecting rod 11 can drive the other movable plate 5 to move linearly. The two movable plates 5 can move in the same direction or in opposite directions. The movement of the two movable plates 5 can ultimately drive the hand grab 3 to move, adapting to wheel hubs of different sizes. The rotating shaft 9 provides support for the short connecting rod 10 and the long connecting rod 11.

[0030] The driving assembly includes a cylinder fixing seat 12, a driving cylinder 13, and a cylinder joint 14. One side of the cylinder fixing seat 12 is bolted to the inner wall of the square tube 6, and the other side is bolted to the driving cylinder 13. One end of the cylinder joint 14 is rotationally connected to the output shaft of the driving cylinder 13, and the other end is bolted to the bottom of the movable plate 5.

[0031] The cylinder fixing seat 12 is firmly fixed to the inner wall of the square tube 6 and the driving cylinder 13 by bolts. This connection ensures the stability and reliability of the driving assembly during operation. The driving cylinder 13 serves as the power source, directly and efficiently transmitting power to the movable plate 5 through the cylinder joint 14. The rotational connection design of the cylinder joint 14 allows the movable plate 5 to swing or rotate as necessary while receiving power, ensuring accurate transmission and efficient use of power.

[0032] A cover 15 is installed on both sides of the square tube 6; the installation of the cover 15 plays an important protective role for the square tube 6 and its connected components. They can prevent dust, debris, and other foreign matter from entering the key components, reducing wear and corrosion, and thus prolonging the service life.

[0033] Each hand grab 3 is provided with a number of rotating shafts 16 on one side of the adjustment block 4, and a number of rotating wheels 17 are arranged on the rotating shafts 16.

[0034] The rotary shaft 16 and the rotary wheel 17 arranged on the hand grab 3 can better adapt to the shape and surface characteristics of the hub when the hand grab 3 grabs the hub, reduce the damage to the surface of the hub, and meanwhile, the stability and adaptability of the grabbing are enhanced.

[0035] The square tube 6 is provided with a stopper 18 at both ends of the surface thereof; the stopper 18 is located at the same side as the wire rails 8 and between the two wire rails 8, can limit the sliding block 7, and prevent the sliding block 7 from falling off in the movement process.

[0036] The specific embodiments are only an interpretation of the utility model, and are not a limitation of the utility model, and a person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A bidirectional robotic arm for processing automobile wheel hubs, comprising a five-axis robotic arm (1), wherein a robot connecting plate (2) is provided at the end of the five-axis robotic arm (1), characterized in that: Both sides of the robot connecting plate (2) are provided with a set of hub gripper assemblies. The hub gripper assembly includes a square tube (6), a movable plate (5), an adjusting block (4), and a hand gripper (3). The square tube (6) is bolted to the robot connecting plate (2). There are two movable plates (5), which are slidably installed on the square tube (6). The bottom of each movable plate (5) is provided with a connecting rod assembly for adjusting the distance between the movable plates (5). The adjusting block (4) is adjustablely installed on the movable plate (5). There are two hand grippers (3), which are bolted to an adjusting block (4).

2. The bidirectional robotic arm for automobile wheel hub processing according to claim 1, characterized in that: Several sliders (7) are fixed to the bottom of both sides of the movable plate (5) by bolts. Two linear rails (8) are slidably connected to the bottom of the sliders (7) on both sides. The bottom of the two linear rails (8) is fixedly connected to square tubes (6).

3. The bidirectional robotic arm for automobile wheel hub processing according to claim 2, characterized in that: The linkage assembly includes a rotating shaft (9), a short connecting rod (10), and two long connecting rods (11). The bottom of the rotating shaft (9) is fixedly connected to the square tube (6), and its top is rotatably connected to the short connecting rod (10). One side of the long connecting rod (11) is rotatably connected to one end of the short connecting rod (10), and the other side is rotatably connected to a movable plate (5). The movable plate (5) is also provided with a drive assembly for driving the movable plate (5).

4. A bidirectional robotic arm for processing automobile wheel hubs according to claim 3, characterized in that: The drive assembly includes a cylinder mounting base (12), a drive cylinder (13), and a cylinder connector (14). One side of the cylinder mounting base (12) is bolted to the inner wall of the square tube (6), and the other side is bolted to the drive cylinder (13). One end of the cylinder connector (14) is rotatably connected to the output shaft of the drive cylinder (13), and the other end is bolted to the bottom of the movable plate (5).

5. A bidirectional robotic arm for processing automobile wheel hubs according to claim 4, characterized in that: A cover (15) is installed on both sides of the square tube (6).

6. A bidirectional robotic arm for processing automobile wheel hubs according to claim 5, characterized in that: Each of the two grippers (3) is provided with a number of rotating shafts (16) on one side of the separation adjustment block (4), and a number of rotating wheels (17) are provided on the rotating shafts (16).

7. A bidirectional robotic arm for automobile wheel hub processing according to claim 6, characterized in that: A stop (18) is provided at both ends of the surface of the square tube (6).