Rotating mechanism for welding robot

By designing a load-bearing seat and connecting block in the rotating mechanism of the welding robot, combined with a hydraulic system and stepping wheels, uniform load distribution and multi-dimensional precise adjustment are achieved, solving the durability and reliability problems of the rotating mechanism of the welding robot and improving welding accuracy and efficiency.

CN223863148UActive Publication Date: 2026-02-03JINAN ZHENGQI INTELLIGENT EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520344811.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-01
Publication Date
2026-02-03
Estimated Expiration
2035-03-01

AI Technical Summary

Technical Problem

Existing welding robot rotating mechanisms are inadequate in terms of durability and reliability, with severe mechanical wear leading to short service life, high failure rate, and increased maintenance costs.

Method used

By designing load-bearing seats and connecting blocks to distribute the load evenly, and combining the hydraulic system with the rolling connection of the stepping wheels, direct friction between mechanical parts is reduced. Components such as longitudinal and lateral adjustment plates, hydraulic pumps, hydraulic rods, and dual-head motors are used to achieve multi-dimensional precise adjustment and smooth movement.

Benefits of technology

It significantly improves equipment durability, reduces the frequency of maintenance and parts replacement, slows down wear, and improves welding accuracy and efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223863148U_ABST
    Figure CN223863148U_ABST
Patent Text Reader

Abstract

The rotating mechanism for the welding robot comprises a working platform, a longitudinal adjusting plate is arranged on the upper surface of the working platform, a longitudinal sliding groove is formed in the longitudinal adjusting plate, and positioning columns are fixedly connected to the left side and the right side of the inner surface of the longitudinal sliding groove; the outer surfaces of the positioning columns are slidably connected with sliding blocks, the upper surface of the longitudinal adjusting plate is fixedly connected with two hydraulic pumps, the output ends of the hydraulic pumps are fixedly connected with hydraulic rods, the hydraulic rods are fixedly connected with the upper surfaces of the sliding blocks, and the side walls of the sliding blocks are fixedly connected with a transverse adjusting plate. A transverse sliding groove is formed in the transverse adjusting plate, and two double-end motors are arranged in the transverse sliding groove. Through the design of the bearing seat and the connecting block, the load is uniformly distributed on the whole structure, fatigue damage caused by local overload is avoided, the durability of equipment is remarkably improved, and the frequency of maintaining and replacing parts is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to welding robot technical field, concretely is a kind of rotating mechanism for welding robot. BACKGROUND

[0002] With the rapid development of manufacturing industry, traditional manual welding has been unable to meet the production demand of large-scale, high-precision and high-efficiency, and the automatic welding robot emerges as the times require, which can realize continuous, stable and high-precision welding operation, significantly improve the production efficiency and welding quality, and the welding robot needs to move flexibly in three-dimensional space to complete the welding task of complex workpiece, and the rotating mechanism is one of the core components for realizing multi-degree-of-freedom motion of welding robot, which can accurately position the welding gun in horizontal, vertical and inclined directions.

[0003] The existing rotating mechanism of welding robot has obvious deficiencies in durability and reliability, mainly manifested as serious mechanical wear, which reduces the service life of the rotating mechanism and increases the failure rate and maintenance cost. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of rotating mechanism for welding robot, load is evenly distributed on the whole structure by the design of load-bearing seat and connecting block, avoid fatigue damage caused by local overload, significantly improve the durability of equipment, reduce the frequency of maintenance and replacement parts, the buffering effect of hydraulic system and the rolling connection mode of step wheel reduce the direct friction of mechanical parts, reduce the wear speed.

[0005] To achieve the above object, a kind of rotating mechanism for welding robot is provided, comprising: working platform, the upper surface of the working platform is provided with longitudinal adjustment plate, longitudinal sliding slot is opened in the inside of the longitudinal adjustment plate, the inner surface of the longitudinal sliding slot is fixedly connected with positioning column on the left and right sides, the outer surface of the positioning column is slidably connected with sliding block, the upper surface of the longitudinal adjustment plate is fixedly connected with two hydraulic pumps, the output end of the hydraulic pump is fixedly connected with hydraulic rod, and the upper surface of hydraulic rod and sliding block is fixedly connected, the side wall of the sliding block is fixedly connected with transverse adjustment plate, transverse sliding slot is opened in the inside of the transverse adjustment plate, two double-head motors are arranged in the inside of the transverse sliding slot, the output end of two double-head motors is fixedly connected with second rotating column, the one end of the second rotating column is fixedly connected with step wheel, and step wheel and the inner surface of transverse sliding slot are rollingly connected, load-bearing seat is arranged between two double-head motors, the lower surface of the load-bearing seat is fixedly connected with connecting block.The combination design of longitudinal and transverse adjustment plate realizes multi-dimensional accurate adjustment of welding gun, and the cooperation of hydraulic system and double-head motor ensures the stability and high load capacity of movement, significantly improves welding precision and efficiency.

[0006] According to the aforementioned rotating mechanism for a welding robot, an angle-adjusting motor is fixedly connected to the side wall of the connecting block, and an adjusting block is fixedly connected to the output end of the angle-adjusting motor. The angle-adjusting motor allows the welding torch to flexibly adjust its tilt angle, adapting to complex welding tasks and improving the adaptability and welding quality of the welding robot.

[0007] According to the aforementioned rotating mechanism for a welding robot, a fine-tuning motor is fixedly connected to the upper surface of the adjusting block, and a connecting seat is fixedly connected to the output end of the fine-tuning motor, with the connecting seat located on the lower surface of the adjusting block. The fine-tuning motor further improves the positioning accuracy of the welding gun, ensures the accuracy of the welding path, reduces welding errors, and increases the welding yield.

[0008] According to the aforementioned rotating mechanism for a welding robot, a welding gun is fixedly connected inside the adjusting block, and the welding gun is located below the connecting block. The fixed position of the welding gun is reasonably designed, facilitating operation and maintenance, while ensuring stability and reliability during the welding process and extending the service life of the equipment.

[0009] According to the aforementioned rotating mechanism for a welding robot, a rotary motor is fixedly connected to the lower surface of the work platform, and a first rotating column is fixedly connected to the output end of the rotary motor. The rotary motor drives the first rotating column to realize the rotation function of the work platform, enabling the welding robot to cover a larger working area and improving welding efficiency.

[0010] According to the aforementioned rotating mechanism for a welding robot, a load-bearing plate is fixedly connected to the outer surface of the first rotating column, and the lower surfaces of the load-bearing plate and the longitudinal adjustment plate are fixedly connected. A rotating disk is provided between the working platform and the load-bearing plate. The combined design of the load-bearing plate and the rotating disk enhances the stability and load-bearing capacity of the structure, ensures smooth operation of the equipment during welding, and reduces vibration and wear.

[0011] According to the aforementioned rotating mechanism for a welding robot, the rotating disk and the load-bearing plate are rotatably connected. A controller is provided on the front surface of the load-bearing plate, and the controller is fixedly connected to the work platform. The fixed connection of the controller enables precise control of the welding robot's motion parameters, improves the level of automation, reduces manual intervention, and enhances welding consistency and production efficiency.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This utility model includes a longitudinal adjustment plate, a longitudinal sliding groove, a positioning column, a slider, a hydraulic pump, a hydraulic rod, a transverse adjustment plate, a transverse sliding groove, a dual-head motor, a second rotating column, a stepping wheel, a load-bearing seat, and a connecting block. The design of the load-bearing seat and connecting block ensures that the load is evenly distributed across the entire structure, avoiding fatigue damage caused by local overload. This significantly improves the durability of the equipment, reduces the frequency of maintenance and component replacement, and the buffering effect of the hydraulic system and the rolling connection of the stepping wheel reduce direct friction between mechanical parts, thus lowering the wear rate.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a perspective view of a rotating mechanism for a welding robot according to the present invention.

[0017] Figure 2 This is a front view of a rotating mechanism for a welding robot according to the present invention;

[0018] Figure 3 This is a cross-sectional perspective view of a rotating mechanism for a welding robot according to the present invention;

[0019] Figure 4 This utility model Figure 3 Enlarged view of the structure at point A in the middle.

[0020] In the diagram: 1. Working platform; 2. Rotary motor; 3. Turning disk; 4. Load-bearing plate; 5. Longitudinal adjustment plate; 6. Hydraulic pump; 7. Lateral adjustment plate; 8. Adjustment block; 9. Fine-tuning motor; 10. Connecting seat; 11. Welding gun; 12. Longitudinal sliding groove; 13. Positioning column; 14. Hydraulic rod; 15. Slider; 16. First rotating column; 17. Lateral sliding groove; 18. Double-headed motor; 19. Second rotating column; 20. Stepping wheel; 21. Load-bearing seat; 22. Connecting block; 23. Angle adjustment motor; 24. Controller. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-4 This utility model provides a technical solution: a rotating mechanism for a welding robot, comprising: a working platform 1, a longitudinal adjustment plate 5 provided on the upper surface of the working platform 1 for supporting and adjusting the longitudinal position, a longitudinal sliding groove 12 provided inside the longitudinal adjustment plate 5 for the longitudinal sliding of a slider 15, positioning posts 13 fixedly connected to the left and right sides of the inner surface of the longitudinal sliding groove 12 for guiding the sliding direction of the slider 15, sliders 15 slidably connected to the outer surfaces of the positioning posts 13 for supporting a transverse adjustment plate 7 and realizing longitudinal movement, two hydraulic pumps 6 fixedly connected to the upper surface of the longitudinal adjustment plate 5 for providing power for longitudinal adjustment, hydraulic rods 14 fixedly connected to the output ends of the hydraulic pumps 6, and the hydraulic rods 14 fixedly connected to the upper surface of the slider 15 for driving the slider 15 to slide along the positioning posts 13, and the side walls of the slider 15... A horizontal adjustment plate 7 is fixedly connected to support and adjust the horizontal mechanism. A horizontal sliding groove 17 is provided inside the horizontal adjustment plate 7 for the horizontal sliding of the dual-head motor 18. Two dual-head motors 18 are arranged inside the horizontal sliding groove 17 to drive the second rotating column 19 and the stepping wheel 20 to achieve horizontal movement. The output ends of the two dual-head motors 18 are fixedly connected to the second rotating column 19 to drive the stepping wheel 20 to rotate. One end of the second rotating column 19 is fixedly connected to the stepping wheel 20, and the stepping wheel 20 and the inner surface of the horizontal sliding groove 17 are in rolling connection to achieve the horizontal movement of the horizontal adjustment plate 7. A load-bearing seat 21 is provided between the two dual-head motors 18 to support the angle adjustment motor 23 and related adjustment mechanisms. A connecting block 22 is fixedly connected to the lower surface of the load-bearing seat 21 to connect the angle adjustment motor 23 and the adjustment block 8.

[0023] An angle adjustment motor 23 is fixedly connected to the side wall of the connecting block 22 for adjusting the angle of the adjusting block 8. The output end of the angle adjustment motor 23 is fixedly connected to the adjusting block 8 for supporting the fine-tuning motor 9 and the connecting seat 10. The upper surface of the adjusting block 8 is fixedly connected to the fine-tuning motor 9 for fine-tuning the angle of the connecting seat 10. The output end of the fine-tuning motor 9 is fixedly connected to the connecting seat 10, and the connecting seat 10 is located on the lower surface of the adjusting block 8 for fixing the welding gun 11 and achieving fine-tuning. The welding gun 11 is fixedly connected inside the adjusting block 8. The welding gun 11 is located below the connecting block 22 for performing welding operations. The lower surface of the working platform 1 is fixedly connected to the adjusting block 8. A rotary motor 2 is fixedly connected to drive the first rotating column 16 to rotate. The output end of the rotary motor 2 is fixedly connected to the first rotating column 16 to drive the load-bearing plate 4 to rotate. The outer surface of the first rotating column 16 is fixedly connected to the load-bearing plate 4, and the load-bearing plate 4 is fixedly connected to the lower surface of the longitudinal adjustment plate 5 to support the entire adjustment mechanism and realize rotation. A rotating disk 3 is provided between the working platform 1 and the load-bearing plate 4. The rotating disk 3 is rotatably connected to the load-bearing plate 4 to realize the rotational movement of the load-bearing plate 4. A controller 24 is provided on the front surface of the load-bearing plate 4, and the controller 24 is fixedly connected to the working platform 1 to control the operation of the entire system.

[0024] Working Principle: The workpiece is fixed on the work platform 1 to ensure stable positioning. The system is started via controller 24 for initial setup. The rotary motor 2 is started, and the rotation angle of the load-bearing plate 4 is adjusted to position the workpiece appropriately. The hydraulic pump 6 is started via controller 24, driving the hydraulic rod 14, which in turn moves the slider 15 to slide on the positioning column 13. The position of the longitudinal adjustment plate 5 is adjusted so that the welding gun 11 is roughly aligned with the longitudinal position of the weld. The double-head motor 18 is started, driving the second rotating column 19 and the stepping wheel 20 to move the transverse adjustment plate 7 within the transverse sliding groove 17, precisely aligning it with the transverse position of the weld. The angle adjustment motor 23 is started, driving the adjustment block 8 to adjust the tilt angle of the welding gun 11. The fine-tuning motor 9 is started, fine-tuning the connecting seat 10 to ensure the angle of the welding gun 11 is accurate. Welding parameters are set on controller 24, and the welding process is started. Controller 24 controls the welding gun 11 to perform welding, monitors the welding process, ensures weld quality, and makes adjustments as necessary. After welding is completed, the system power is turned off, the weld quality is checked, and necessary grinding and cleaning are performed.

[0025] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A rotating mechanism for a welding robot, comprising: A working platform (1) is characterized in that: a longitudinal adjustment plate (5) is provided on the upper surface of the working platform (1), a longitudinal sliding groove (12) is provided inside the longitudinal adjustment plate (5), positioning columns (13) are fixedly connected to the left and right sides of the inner surface of the longitudinal sliding groove (12), and sliders (15) are slidably connected to the outer surfaces of the positioning columns (13), two hydraulic pumps (6) are fixedly connected to the upper surface of the longitudinal adjustment plate (5), and hydraulic rods (14) are fixedly connected to the output ends of the hydraulic pumps (6), and the upper surfaces of the hydraulic rods (14) and the sliders (15) are fixedly connected. A transverse adjustment plate (7) is fixedly connected to the side wall of the ), and a transverse sliding groove (17) is provided inside the transverse sliding groove (17). Two dual-head motors (18) are provided inside the transverse sliding groove (17). The output ends of the two dual-head motors (18) are fixedly connected to a second rotating column (19). One end of the second rotating column (19) is fixedly connected to a stepping wheel (20), and the stepping wheel (20) and the inner surface of the transverse sliding groove (17) are in rolling connection. A load-bearing seat (21) is provided between the two dual-head motors (18), and a connecting block (22) is fixedly connected to the lower surface of the load-bearing seat (21).

2. The rotating mechanism for a welding robot as described in claim 1, characterized in that: An angle adjustment motor (23) is fixedly connected to the side wall of the connecting block (22), and an adjustment block (8) is fixedly connected to the output end of the angle adjustment motor (23).

3. The rotating mechanism for a welding robot as described in claim 2, characterized in that: A fine-tuning motor (9) is fixedly connected to the upper surface of the adjustment block (8), and a connecting seat (10) is fixedly connected to the output end of the fine-tuning motor (9), with the connecting seat (10) located on the lower surface of the adjustment block (8).

4. The rotating mechanism for a welding robot as described in claim 3, characterized in that: A welding gun (11) is fixedly connected inside the adjustment block (8), and the welding gun (11) is located below the connecting block (22).

5. A rotating mechanism for a welding robot as described in claim 1, characterized in that: A rotary motor (2) is fixedly connected to the lower surface of the working platform (1), and a first rotating column (16) is fixedly connected to the output end of the rotary motor (2).

6. A rotating mechanism for a welding robot as described in claim 5, characterized in that: The outer surface of the first rotating column (16) is fixedly connected to a load-bearing plate (4), and the lower surface of the load-bearing plate (4) and the longitudinal adjustment plate (5) are fixedly connected. A rotating disk (3) is provided between the working platform (1) and the load-bearing plate (4).

7. A rotating mechanism for a welding robot as described in claim 6, characterized in that: The rotating disk (3) and the load-bearing plate (4) are rotatably connected. The front surface of the load-bearing plate (4) is provided with a controller (24), and the controller (24) is fixedly connected to the working platform (1).