Robot transmission joint assembly

By adjusting the length and angle of the transmission joint assembly using an electric cylinder and a rotary adjustment component, the problem of limited gripping range caused by the fixed length of the transmission joint assembly is solved, thus improving the working efficiency of the industrial robot.

CN223802583UActive Publication Date: 2026-01-16GOLDEN LEOPARD TECH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202422683132.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2026-01-16
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

The existing transmission joint assembly length cannot be adjusted, which reduces the gripping range of the industrial robot arm when grasping corner items, thus reducing work efficiency.

Method used

The length of the transmission joint assembly is adjusted by moving the adjusting column through an electric cylinder. Combined with the rotating and adjusting components, the angle and direction of the transmission joint assembly can be adjusted, thereby increasing the gripping range of the industrial robot arm.

Benefits of technology

This enables industrial robots to grasp objects in corners, improving the grasping range and work efficiency of the robot arm.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a robot transmission joint assembly, which belongs to the technical field of transmission joint assemblies and comprises a mounting seat, a support frame is bolted at the top end of the mounting seat, an electric cylinder is bolted at the bottom end of the support frame, and a piston end of the electric cylinder penetrates through the support frame and is bolted with an adjusting column. A rotating assembly is arranged on the outer side wall of the adjusting column, one end of the rotating assembly penetrates through the adjusting column and is provided with an inner tooth bearing, the inner ring of the inner tooth bearing is fixedly connected with a rotating seat, the edge of the rotating seat is fixedly connected with a connecting frame, and an adjusting assembly is arranged in an inner cavity of the connecting frame; and one end of the adjusting assembly penetrates through the connecting frame and is provided with a connecting base, and a mounting hole is formed in the end, away from the adjusting assembly, of the connecting base, so that the industrial robot can grab objects at corners through cooperation of the transmission joint assembly, the grabbing range of the arm of the industrial robot is widened, and the working efficiency of the industrial robot is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to transmission joint subassembly technical field, concretely is a kind of robot transmission joint subassembly. BACKGROUND

[0002] Industrial robot is widely used in industrial field multi-joint manipulator or multi-degree-of-freedom machine device, has certain automaticity, can rely on self power source and control ability to realize various industrial processing manufacturing function.Industrial robot is widely used in electronics, logistics, chemical industry and various industrial fields, wherein transmission joint subassembly belongs to the core part of industrial robot.

[0003] The existing transmission joint subassembly is generally adjusted by transmission joint subassembly to adjust the angle of industrial robot to the article grasping, but when the article in the corner is grasped, the length of transmission joint subassembly cannot be adjusted, so that the grasping range of industrial robot arm is reduced, and the working efficiency of industrial robot is reduced.

[0004] According to the industrial robot with announcement number CN114407031B, the bottom, the main arm arranged on the top of the bottom, the first auxiliary arm arranged on the outside of the main arm, the second auxiliary arm, the gripper and the rotating shaft are included, the inside of the main arm is provided with automatic oil injection mechanism, the automatic oil injection mechanism includes connecting shaft, insulating rod, connecting ring, insulating piece, detection piece, oil injection piece, the outside of the rotating shaft is provided with connecting shaft;Through the mutual cooperation between first contact, second contact, rotating shaft, connecting ring and oil supplementing piece, the lubricating oil state between the contact surface of main arm and first auxiliary arm can be monitored in real time during the working process of industrial robot and automatic oil supplementing operation is carried out when lubricating oil is consumed more, avoid the situation that industrial robot needs to be frequently stopped for oil supplementing during working process, resulting in serious power loss and making industrial robot have certain limitation during use.

[0005] According to the above-mentioned industrial robot, the angle of industrial robot to the article grasping is generally adjusted by transmission joint subassembly, but when the article in the corner is grasped, the length of transmission joint subassembly cannot be adjusted, so that the grasping range of industrial robot arm is reduced, and the working efficiency of industrial robot is reduced, so we need to put forward a kind of robot transmission joint subassembly. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose lies in providing a kind of robot transmission joint assembly, the setting of electric cylinder, starting electric cylinder pushes adjusting column to move, the distance between adjusting column and support frame is adjusted, the length of transmission joint assembly is adjusted, so that the cooperation of transmission joint assembly makes that industrial robot can be carried out the capture of article in corner, the capture range of industrial robot arm is improved, the work efficiency of industrial robot is improved, to solve the problem proposed in above-mentioned background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of robot transmission joint assembly, including mounting seat, the top end of the mounting seat is bolted with support frame, the bottom of the support frame is bolted with electric cylinder, the piston end of the electric cylinder is passed through support frame and is bolted with adjusting column, the outer lateral wall of the adjusting column is provided with the rotation component for adjusting robot arm angle, one end of the rotation component is passed through adjusting column and is provided with inner tooth bearing, the inner ring of the inner tooth bearing is fixedly connected with rotary seat, the edge of the rotary seat is fixedly connected with connecting frame, the inner cavity of the connecting frame is provided with the adjusting component for adjusting the direction of robot arm, one end of the adjusting component is passed through connecting frame and is provided with connecting seat, the end of the connecting seat away from adjusting component is provided with the mounting hole for installing mechanical claw.

[0008] Preferably, the bottom end of the adjusting column is fixedly connected with a support rod, a through hole is formed in the surface of the support frame, the support rod is inserted and slidably connected in the inner cavity of the through hole of the support frame, and the bottom end of the support rod is fixedly connected with a limiting block.

[0009] Preferably, the rotation component comprises a first motor, the first motor is fixedly installed on the outer lateral wall of the adjusting column, a rotating rod is key-connected to the output shaft of the first motor, the rotating rod is rotatably connected to the surface of the adjusting column through a bearing, the other end of the rotating rod is passed through the adjusting column and fixedly connected with a gear, and the surface of the gear is meshingly connected with the inner cavity of the inner tooth bearing.

[0010] Preferably, the adjusting component comprises a second motor, the second motor is fixedly installed in the inner cavity of the connecting frame, an active rod is key-connected to the output shaft of the second motor, the active rod is rotatably connected to the connecting frame through a bearing, and the top end of the active rod is passed through the connecting frame and fixedly connected with the lower surface of the connecting seat.

[0011] Preferably, the inner wall of the connecting seat is fixedly connected with a sliding block, a sliding groove matched with the sliding block is formed in the surface of the connecting frame, and the sliding block is slidably connected in the inner cavity of the sliding groove.

[0012] Preferably, the connecting frame is L-shaped, the inner lateral wall of the connecting frame is fixedly connected with a reinforcing block, and the reinforcing block is triangular.

[0013] Preferably, the slider is in the shape of T, and the slider is provided with two groups, and the two groups of sliders are symmetrically distributed on the inner wall of the connecting seat.

[0014] Preferably, the outer side wall of the adjusting column is provided with a protective shell, the protective shell is bolted on the surface of the adjusting column through a fastener, and the first motor is located in the inner cavity of the protective shell.

[0015] Preferably, a fixing groove is formed in the top end of the protective shell, a dustproof plate is bolted in the inner cavity of the fixing groove, and a heat dissipation hole is formed in the bottom end of the inner cavity of the fixing groove, and the bottom end of the heat dissipation hole is communicated with the inner cavity of the protective shell.

[0016] Preferably, the inner side wall of the support frame is provided with a reinforcing rod, and the reinforcing rod is provided with a plurality of groups, and each two groups of reinforcing rods are cross-shaped.

[0017] Compared with the prior art, the robot transmission joint assembly has the beneficial effects that:

[0018] 1. The robot transmission joint assembly is provided with an electric cylinder, the electric cylinder is started to drive the adjusting column to move, the distance between the adjusting column and the support frame is adjusted, the length of the transmission joint assembly is adjusted, the industrial robot can grasp the corner object through the cooperation of the transmission joint assembly, the grasping range of the industrial robot arm is improved, and the working efficiency of the industrial robot is improved.

[0019] 2. The robot transmission joint assembly is provided with an adjusting assembly, the adjusting assembly is started to drive the connecting seat to rotate, the connecting seat drives the mechanical claw at the other end to rotate, and the grasping direction of the industrial robot is adjusted.

[0020] Other features and advantages of the present application will be described in the following description, and some will become apparent from the description, or will be understood from the practice of the present application. The purpose and other advantages of the present application can be achieved and obtained by the structure indicated in the specification and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the whole utility model;

[0022] Figure 2 It is a structure schematic view of the whole utility model;

[0023] Figure 3 It is a structure schematic view of the connecting frame and the adjusting assembly of the whole utility model;

[0024] Figure 4 It is a structure schematic view of the rotating assembly and the protective shell of the whole utility model.

[0025] Fig. 1, mounting seat; 2, support frame; 3, electric cylinder; 4, adjusting column; 5, rotating assembly; 51, first motor; 52, rotating rod; 53, gear; 6, inner tooth bearing; 7, rotating seat; 8, connecting frame; 9, adjusting assembly; 91, second motor; 92, support rod; 10, connecting seat; 11, mounting hole; 12, movable rod; 13, limiting block; 14, sliding block; 15, sliding groove; 16, reinforcing block; 17, protective shell; 18, fixing groove; 19, dustproof plate; 20, heat dissipation hole; 21, reinforcing rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Please refer to Figures 1-4 The present application provides a technical solution: a robot transmission joint assembly, comprising a mounting seat 1, the top end of the mounting seat 1 is bolted with a support frame 2, the bottom end of the support frame 2 is bolted with an electric cylinder 3, the piston end of the electric cylinder 3 penetrates through the support frame 2 and is bolted with an adjusting column 4, the outer side wall of the adjusting column 4 is provided with a rotating assembly 5 for adjusting the angle of the robot arm, one end of the rotating assembly 5 penetrates through the adjusting column 4 and is provided with an inner tooth bearing 6, the inner ring of the inner tooth bearing 6 is fixedly connected with a rotating seat 7, the edge of the rotating seat 7 is fixedly connected with a connecting frame 8, the inner cavity of the connecting frame 8 is provided with an adjusting assembly 9 for adjusting the direction of the robot arm, one end of the adjusting assembly 9 penetrates through the connecting frame 8 and is provided with a connecting seat 10, the end of the connecting seat 10 away from the adjusting assembly 9 is provided with a mounting hole 11 for mounting a mechanical claw;

[0028] Further, the rotating assembly 5 is started to drive the inner tooth bearing 6 to rotate, so that the inner tooth bearing 6 drives the rotating seat 7 to rotate, the rotating seat 7 drives the connecting frame 8 to rotate, so that the angle of the transmission joint assembly is adjusted, then the adjusting assembly 9 is started according to the direction of the object, the adjusting assembly 9 rotates to drive the connecting seat 10 to rotate, so that the connecting seat 10 drives the mechanical claw at the other end to rotate, realizing the adjustment of the grabbing direction of the industrial robot to the object, finally the electric cylinder 3 is started to push the adjusting column 4 to move, the distance between the adjusting column 4 and the support frame 2 is adjusted, realizing the adjustment of the length of the transmission joint assembly, so that the industrial robot can grab the object in the corner through the cooperation of the transmission joint assembly, improving the grabbing range of the industrial robot arm and the working efficiency of the industrial robot.

[0029] In the present embodiment, as Figure 1As shown, the bottom end of the adjusting column 4 is fixedly connected with a supporting rod 92, the surface of the supporting frame 2 is provided with a through hole, the supporting rod 92 is inserted and slid with the inner cavity of the through hole of the supporting frame 2, the bottom end of the supporting rod 92 is fixedly connected with a limiting block 13, and the four sides of the bottom end of the adjusting column 4 are supported through the cooperation of the supporting rod 92 and the through hole of the supporting frame 2, thereby improving the stability of the adjusting column 4 during movement.

[0030] In a further preferred embodiment, the rotating assembly 5 comprises a first motor 51 fixedly installed on the outer side wall of the adjusting column 4, the output shaft of the first motor 51 is key-connected with a rotating rod 52, the rotating rod 52 is rotatably connected with the surface of the adjusting column 4 through a bearing, the other end of the rotating rod 52 penetrates through the adjusting column 4 and is fixedly connected with a gear 53, the surface of the gear 53 is meshingly connected with the inner cavity of the inner tooth bearing 6, the first motor 51 is started to drive the rotating rod 52 to rotate, the gear 53 is driven to rotate through the rotating rod 52, the inner ring of the inner tooth bearing 6 is driven to rotate through the meshing connection of the gear 53, the inner tooth bearing 6 drives the rotating seat 7 to rotate, and the angle adjustment of the transmission joint assembly is realized.

[0031] Further, the adjusting assembly 9 comprises a second motor 91 fixedly installed in the inner cavity of the connecting frame 8, the output shaft of the second motor 91 is key-connected with a movable rod 12, the movable rod 12 is rotatably connected with the connecting frame 8 through a bearing, the top end of the movable rod 12 penetrates through the connecting frame 8 and is fixedly connected with the lower surface of the connecting seat 10, the second motor 91 is started to drive the movable rod 12 to rotate, the movable rod 12 drives the connecting seat 10 to rotate, the connecting seat 10 drives the mechanical claw at the other end to rotate, and the adjustment of the industrial robot to the grabbing direction of the object is realized.

[0032] Preferably, as shown in the drawings, Figure 3 As shown, the inner wall of the connecting seat 10 is fixedly connected with a sliding block 14, the surface of the connecting frame 8 is provided with a sliding groove 15 matched with the sliding block 14, the sliding block 14 is slidably connected with the inner cavity of the sliding groove 15, and the stability of the connecting seat 10 during rotation is improved through the cooperation of the sliding block 14 and the sliding groove 15.

[0033] In addition, the connecting frame 8 is L-shaped, the inner side wall of the connecting frame 8 is fixedly connected with a reinforcing block 16, and the reinforcing block 16 is triangular. Through the arrangement of the reinforcing block 16, the inner side of the connecting frame 8 can be supported, and the deformation resistance of the connecting frame 8 is improved.

[0034] Further, the sliding block 14 is T-shaped, and two groups of sliding blocks 14 are symmetrically arranged on the inner wall of the connecting seat 10. Through the shape of the sliding block 14, the stability of the sliding block 14 during sliding in the inner cavity of the sliding groove 15 is improved.

[0035] Preferably, the outer side wall of the adjusting column 4 is provided with a protective shell 17, which is bolted to the surface of the adjusting column 4, and the first motor 51 is located in the inner cavity of the protective shell 17. By providing the protective shell 17, the first motor 51 installed outside the adjusting column 4 is protected.

[0036] It is worth noting that, as shown in Figure 4 The top end of the protective shell 17 is provided with a fixing groove 18, and the inner cavity of the fixing groove 18 is bolted with a dustproof plate 19. The bottom end of the inner cavity of the fixing groove 18 is provided with a heat dissipation hole 20, which is in communication with the inner cavity of the protective shell 17. Through the arrangement of the heat dissipation hole 20, the heat generated by the first motor 51 during operation can be discharged through the heat dissipation hole 20. Through the arrangement of the dustproof plate 19, dust is prevented from entering the inner cavity of the protective shell 17, thereby preventing accumulation in the protective shell 17.

[0037] In addition, the inner side wall of the support frame 2 is provided with a reinforcing rod 21, which is provided in several groups. Each two groups of reinforcing rods 21 are arranged in a cross shape. By providing the reinforcing rod 21, the bottom end of the support frame 2 is supported, thereby improving the stability of the support frame 2.

[0038] In specific use: install the mounting seat 1 on the rotating mechanism of the industrial robot. According to the position of the corner object, first start the first motor 51 to drive the rotating rod 52 to rotate. The rotating rod 52 drives the gear 53 to rotate, which drives the inner ring of the inner tooth bearing 6 to rotate through meshing connection, so that the inner tooth bearing 6 drives the rotating seat 7 to rotate, thereby adjusting the angle of the transmission joint assembly. Then start the second motor 91 to drive the movable rod 12 to rotate, so that the movable rod 12 drives the connecting seat 10 to rotate, and the connecting seat 10 drives the mechanical claw at the other end to rotate, thereby adjusting the grabbing direction of the industrial robot. Finally, according to the distance between the transmission joint assembly and the corner object, start the electric cylinder 3 to push the adjusting column 4 to move, thereby adjusting the distance between the adjusting column 4 and the support frame 2, and adjusting the length of the transmission joint assembly. The mechanical claw is used to grab the corner object, so that the industrial robot can grab the corner object through the cooperation of the transmission joint assembly, thereby improving the grabbing range of the industrial robot arm and improving the working efficiency of the industrial robot.

[0039] The above-mentioned bearings are graphene-coated bearings, which have good wear resistance and can withstand continuous high-speed operation. Graphene-coated bearings have good stability in most chemical media and are not easily corroded. The friction coefficient of graphene-coated bearings is low, which can effectively reduce the energy consumption of the equipment.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A robot drive joint assembly comprising a mounting base (1), characterised in that: It also includes support frame (2), rotating assembly (5) for adjusting the angle of robot arm and adjusting assembly (9) for adjusting the direction of robot arm; The support frame (2) is bolted on the upper surface of the mounting seat (1), the bottom end of the support frame (2) is bolted with an electric cylinder (3), the piston end of the electric cylinder (3) penetrates through the support frame (2) and is bolted with an adjusting column (4); The rotating assembly (5) is provided on the outer side wall of the top end of the adjusting column (4), one end of the rotating assembly (5) penetrates through the adjusting column (4) and is provided with an inner tooth bearing (6), the inner ring of the inner tooth bearing (6) is fixedly connected with a rotating seat (7), the edge of the rotating seat (7) is fixedly connected with a connecting frame (8); The adjusting assembly (9) is provided in the inner cavity of the connecting frame (8), one end of the adjusting assembly (9) penetrates through the connecting frame (8) and is provided with a connecting seat (10), the end of the connecting seat (10) away from the adjusting assembly (9) is provided with a mounting hole (11) for mounting the mechanical claw.

2. The robotic drive joint assembly of claim 1, wherein: The bottom end of the adjusting column (4) is fixedly connected with a support rod (92), the surface of the support frame (2) is provided with a through hole, the support rod (92) is inserted and slides in the inner cavity of the through hole of the support frame (2), and the bottom end of the support rod (92) is fixedly connected with a limiting block (13).

3. The robotic drive joint assembly of claim 1, wherein: The rotating assembly (5) comprises a first motor (51), the first motor (51) is fixedly installed on the outer side wall of the adjusting column (4), the output shaft of the first motor (51) is key connected with a rotating rod (52), the rotating rod (52) is rotatably connected with the surface of the adjusting column (4) through a bearing, the other end of the rotating rod (52) penetrates through the adjusting column (4) and is fixedly connected with a gear (53), and the surface of the gear (53) is meshingly connected with the inner cavity of the inner tooth bearing (6).

4. The robotic drive joint assembly of claim 1, wherein: The adjusting assembly (9) comprises a second motor (91), the second motor (91) is fixedly installed in the inner cavity of the connecting frame (8), the output shaft of the second motor (91) is key connected with a movable rod (12), the movable rod (12) is rotatably connected with the connecting frame (8) through a bearing, and the top end of the movable rod (12) penetrates through the connecting frame (8) and is fixedly connected with the lower surface of the connecting seat (10).

5. The robotic drive joint assembly of claim 1, wherein: The inner wall of the connecting seat (10) is fixedly connected with a sliding block (14), the surface of the connecting frame (8) is provided with a sliding groove (15) matched with the sliding block (14), and the sliding block (14) is slidably connected with the inner cavity of the sliding groove (15).

6. The robotic drive joint assembly of claim 1, wherein: The connecting frame (8) is L-shaped, the inner side wall of the connecting frame (8) is fixedly connected with a reinforcing block (16), and the reinforcing block (16) is triangular.

7. The robotic drive joint assembly of claim 5, wherein: The sliding block (14) is T-shaped, and two groups of the sliding block (14) are symmetrically distributed on the inner wall of the connecting seat (10).

8. The robotic drive joint assembly of claim 3, wherein: The outer side wall of the adjusting column (4) is provided with a protective shell (17), the protective shell (17) is bolted on the surface of the adjusting column (4) through fasteners, and the first motor (51) is located in the inner cavity of the protective shell (17).

9. The robotic drive joint assembly of claim 8, wherein: The top end of the protective shell (17) is provided with a fixing groove (18), the inner cavity of the fixing groove (18) is bolted with a dustproof plate (19), the bottom end of the inner cavity of the fixing groove (18) is provided with a heat dissipation hole (20), and the bottom end of the heat dissipation hole (20) is communicated with the inner cavity of the protective shell (17).

10. The robotic drive joint assembly of claim 1, wherein: The inner side wall of the support frame (2) is provided with reinforcing rods (21), the reinforcing rods (21) are provided in several groups, and every two groups of the reinforcing rods (21) are arranged in an intersecting manner.

Citation Information

Patent Citations

  • An industrial robot

    CN114407031B