An automated laser wireless welding device for idler roller bearing housings

By designing an automated laser wireless welding device for idler roller bearing seats, simultaneous welding of both ends of the idler roller bearing seats was achieved, solving the problems of low welding efficiency and laborious manual operation in existing technologies, and realizing efficient, labor-saving and precise welding results.

CN224273693UActive Publication Date: 2026-05-26HEBEI PORT GRP PORT MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEBEI PORT GRP PORT MACHINERY
Filing Date
2025-05-14
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

The lack of specialized welding equipment for idler roller bearing housings in existing technologies results in low welding efficiency and labor-intensive manual operation, making it difficult to achieve efficient automated welding.

Method used

An automated laser wireless welding device for idler roller bearing seats was designed, including a machine bed, a workpiece fixing and clamping mechanism, a moving clamping mechanism, a slide module, a multi-joint welding gun positioning frame, a laser welding gun, and an idler roller tube support. Through the cooperation of a pneumatic slide, a moving motor, and a visual monitoring camera, simultaneous welding and precise positioning of both ends of the idler roller bearing seat can be achieved.

Benefits of technology

It improves welding efficiency, reduces manual operation, realizes efficient and labor-saving automated welding, and ensures welding accuracy and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model belongs to the technical field of welding equipment, and relates to an automated laser wireless welding device for idler roller bearing seats. It includes a machine bed, a workpiece fixing and clamping mechanism, a workpiece moving and clamping mechanism, a moving component, a slide module, a multi-joint welding torch positioning frame, a laser welding torch, and an idler roller tube support. The workpiece fixing and clamping mechanism is fixedly mounted at one end of the machine bed, and the workpiece moving and clamping mechanism is slidably mounted at the other end of the machine bed via the moving component. Slide modules are mounted on both the workpiece fixing and clamping mechanism and the workpiece moving and clamping mechanism. A laser welding torch is flexibly mounted on each slide module via the multi-joint welding torch positioning frame. The idler roller tube support is installed between the workpiece fixing and clamping mechanism and the workpiece moving and clamping mechanism. This utility model has a scientific and reasonable design, and has the advantages of high welding efficiency, labor saving, high welding precision, and ease of implementation. It is a highly innovative automated laser wireless welding device for idler roller bearing seats.
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Description

Technical Field

[0001] This utility model belongs to the technical field of welding equipment, and relates to a laser wireless welding device, specifically an automated laser wireless welding device for idler roller bearing seats. Background Technology

[0002] Welding of idler roller bearing housings is an important process in idler roller production. The processing steps are as follows: 1. Pressing the bearing housings: After inspection and approval, the bearing housings are placed at both ends of the idler roller tube and pressed into the ends of the idler roller tube by the press head on the press machine; 2. Welding the bearing housings: The idler roller tube with the bearing housings pressed in is placed on the welding machine and the bearing housings are tightened; 3. Welding: The welding machine is started, and welding of one end of the bearing housing is carried out according to the welding specifications. After one end is completed, the welding of the other end of the bearing housing is carried out.

[0003] Currently, there is no specialized welding equipment for idler roller bearing housings, which means that welding must be done on one end first and then on the other. This not only results in low welding efficiency, but also requires manual labor to change the orientation of the idler roller bearing housings. Summary of the Invention

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide an automated laser wireless welding device for idler roller bearing seats with a scientific and reasonable structural design, high welding efficiency, labor-saving and easy implementation.

[0005] The technical problem solved by this utility model is achieved through the following technical solution:

[0006] An automated laser wireless welding device for idler roller bearing seats is characterized by comprising a machine bed, a workpiece fixing and clamping mechanism, a workpiece moving and clamping mechanism, a moving component, a slide module, a multi-joint welding torch positioning frame, a laser welding torch, and an idler roller tube support. The workpiece fixing and clamping mechanism is fixedly mounted at one end of the machine bed, and the workpiece moving and clamping mechanism is slidably mounted at the other end of the machine bed via the moving component. Slide modules are mounted on both the workpiece fixing and clamping mechanism and the workpiece moving and clamping mechanism. A laser welding torch is flexibly mounted on each slide module via the multi-joint welding torch positioning frame. The idler roller tube support is installed between the workpiece fixing and clamping mechanism and the workpiece moving and clamping mechanism.

[0007] Furthermore, both the welding workpiece fixing clamping mechanism and the welding workpiece moving clamping mechanism include a base, a pneumatic slide table, and a pneumatic chuck. The base is provided on the machine bed, the pneumatic slide table is slidably installed on the base, and the pneumatic chuck, which is driven to rotate by a motor, is installed on the pneumatic slide table.

[0008] Furthermore, the moving component includes a moving motor, a drive screw, and a nut. A slide groove is provided at one end of the upper surface of the machine bed. A drive screw driven by the moving motor is pre-embedded in the slide groove. A nut is threaded onto the drive screw and is fixed to the bottom of the welding workpiece moving clamping mechanism.

[0009] Furthermore, the slide module includes a longitudinal slide and a transverse slide. A mounting block is provided on the top of the pneumatic slide. A longitudinal slide is vertically mounted on the inner side of the mounting block. A transverse slide is longitudinally mounted on the longitudinal slide. A mounting plate is transversely mounted on the transverse slide. A multi-joint welding torch positioning bracket is mounted on the mounting plate.

[0010] Furthermore, the roller tube support includes a base frame, a lifting platform, a lifting screw, a geared motor, guide columns, and rollers. A lifting screw driven by a geared motor is installed on the base frame. A lifting platform is installed on the top of the lifting screw. Rollers are installed at both ends of the lifting platform. Guide columns that extend and retract within the base frame are installed at the four corners of the bottom surface of the lifting platform.

[0011] Furthermore, it also includes a visual monitoring camera, which is mounted on the laser welding gun.

[0012] The advantages and positive effects of this utility model are:

[0013] 1. This automated laser wireless welding device for idler roller bearing seats improves processing efficiency by designing the structure for welding both ends of the idler roller bearing seat simultaneously instead of welding them sequentially. At the same time, it saves manpower and effort by eliminating the need for manual adjustment.

[0014] 2. This automated laser wireless welding device for idler roller bearing seats achieves the adaptation of the welding gun to the welding position through the cooperation of the slide module and the multi-joint welding gun positioning frame, thereby improving the welding accuracy.

[0015] 3. This automated laser wireless welding device for idler roller bearing housings uses a visual monitoring camera to track the weld position in real time, ensuring welding accuracy.

[0016] 4. This utility model is scientifically and rationally designed, and has the advantages of high welding efficiency, saving manpower and labor, high welding precision, and easy implementation. It is a highly innovative automated laser wireless welding device for idler roller bearing seats. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a perspective view of the present utility model;

[0019] Figure 3This is a schematic diagram of the structure of the roller tube support of this utility model.

[0020] Explanation of reference numerals in the attached figures

[0021] 1-Moving motor, 2-Equipment bed, 3-Drive screw, 4-Welding workpiece moving clamping mechanism, 5-Screw nut, 6-Slide table module, 7-Drive shaft, 8-Multi-joint welding torch positioning frame, 9-Pneumatic chuck, 10-Laser welding torch, 11-Roller bearing seat, 12-Roller tube bracket, 13-Slide groove, 14-Transverse slide table, 15-Longitudinal slide table, 16-Mounting block, 17-Pneumatic slide table, 18-Base, 19-Roller, 20-Guide column, 21-Gear motor, 22-Lifting screw, 23-Lifting table, 24-Base frame. Detailed Implementation

[0022] The embodiments of this utility model will be further described in detail below with reference to the accompanying drawings:

[0023] An automated laser wireless welding device for idler roller bearing seats is innovative in that it includes a machine bed 2, a workpiece fixing and clamping mechanism, a workpiece moving and clamping mechanism 4, a moving component, a slide module 6, a multi-joint welding torch positioning frame 8, a laser welding torch 10, and an idler roller tube support 12. The workpiece fixing and clamping mechanism and the workpiece moving and clamping mechanism are used to clamp and fix the idler roller bearing seat 11. The moving component is used to move the workpiece moving and clamping mechanism to adapt to the length of the idler roller bearing seat to be welded. The slide module and the multi-joint welding torch positioning frame are used to adjust the position of the laser welding torch to improve welding accuracy. The idler roller tube support is used to support the idler roller bearing seat and its height is adjusted according to its diameter to adapt to the workpiece fixing and clamping mechanism and the workpiece moving and clamping mechanism.

[0024] A workpiece fixing and clamping mechanism is fixedly installed at one end of the equipment bed, and a workpiece moving and clamping mechanism is slidably installed at the other end of the equipment bed via a moving component. A slide table module is installed on both the workpiece fixing and clamping mechanism and the workpiece moving and clamping mechanism. A laser welding gun is calibrated and installed on each slide table module via a multi-joint welding gun positioning frame. The roller tube bracket is installed between the workpiece fixing and clamping mechanism and the workpiece moving and clamping mechanism.

[0025] The welding workpiece fixing clamping mechanism and the welding workpiece moving clamping mechanism both include a base 18, a pneumatic slide table 17 and a pneumatic chuck 9. A base is provided on the machine bed, a pneumatic slide table is slidably installed on the base, and a pneumatic chuck driven to rotate by a motor drive shaft 7 is installed on the pneumatic slide table. During operation, the jaws of the pneumatic chuck clamp in the bearing seats at both ends of the roller bearing seat.

[0026] The moving assembly includes a moving motor 1, a drive screw 3, and a nut 5. A groove 13 is provided at one end of the upper surface of the machine bed. The drive screw driven by the moving motor is pre-embedded in the groove, and a nut is threaded onto the drive screw. The nut is fixed to the bottom of the workpiece moving clamping mechanism. By rotating the moving motor forward and backward, the workpiece fixing clamping mechanism and the workpiece moving clamping mechanism can be moved closer and further apart.

[0027] The slide module includes a longitudinal slide 15 and a transverse slide 14. A mounting block 16 is provided on the top of the pneumatic slide. A longitudinal slide is vertically mounted inside the mounting block. A transverse slide is longitudinally mounted on the longitudinal slide. A mounting plate is transversely mounted on the transverse slide. A multi-joint welding torch positioning frame is mounted on the mounting plate. The multi-joint welding torch positioning frame is a commercially available product, mainly comprising a first transverse lead screw, a first longitudinal lead screw, a second transverse lead screw, a second longitudinal lead screw, a third transverse lead screw, and a clamping head. A vertical plate is vertically mounted on the mounting plate. A first transverse lead screw is transversely mounted on one side of the vertical plate. A first longitudinal lead screw, perpendicular to the first transverse lead screw, is mounted on the first transverse lead screw via an adjustment knob. A second transverse lead screw, transversely mounted, is mounted on the first longitudinal lead screw via an adjustment knob. A third transverse lead screw, transversely mounted, is mounted on the second transverse lead screw via an adjustment knob. A clamping head is mounted at the end of the third transverse lead screw, and a laser welding torch is mounted on the clamping head.

[0028] The roller support includes a base frame 24, a lifting platform 23, a lifting screw 22, a reduction motor 21, guide columns 20, and rollers 19. A lifting screw driven by the reduction motor is installed on the base frame. A lifting platform is installed on the top of the lifting screw. Rollers are installed at both ends of the lifting platform. Guide columns that extend and retract within the base frame are installed at the four corners of the bottom surface of the lifting platform.

[0029] To further improve welding accuracy, this invention also incorporates a visual monitoring camera. The camera is mounted on the laser welding gun and connected to a computer terminal to track the weld position in real time, ensuring welding accuracy.

[0030] Working principle:

[0031] Place the idler bearing housing to be welded on the idler tube support, and adjust the height of the idler tube support according to the diameter of the idler bearing housing to be welded so that the idler bearing housing to be welded is coaxial with the pneumatic chuck.

[0032] Adjust the position of the workpiece moving clamping mechanism according to the length of the idler roller bearing seat to be welded;

[0033] Set the welding parameters for the equipment;

[0034] The pneumatic slide table is fed, and the jaws of the pneumatic chuck extend and are clamped in the bearing housing of the roller bearing housing to be welded. The pneumatic chuck mounted on the drive shaft is driven by the motor to rotate circumferentially.

[0035] Adjust the slide module and multi-joint welding gun positioning frame according to different idler roller bearing housing specifications to meet the welding position and angle requirements of the laser welding gun;

[0036] After one cycle of automatic welding with the laser welding gun, the pneumatic chuck jaws release the idler roller bearing seat.

[0037] The pneumatic slide automatically resets to complete the welding work. During the welding process, a visual monitoring camera tracks the position of the weld bead in real time to ensure welding accuracy.

[0038] This invention is particularly suitable for automated welding of idler rollers with a length of 300-2600mm and a diameter of 40-300mm. It enables efficient, precise, and safe welding operations. Furthermore, compared to traditional MIG welding methods, laser welding offers significant advantages in welding quality, efficiency, and environmental friendliness.

[0039] Although embodiments and drawings of the present invention have been disclosed for illustrative purposes, those skilled in the art will understand that various substitutions, variations and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. An automated laser wire-free welding device for idler bearing chocks, characterized by: The device includes a machine bed, a workpiece fixing and clamping mechanism, a workpiece moving and clamping mechanism, a moving component, a slide module, a multi-joint welding torch positioning frame, a laser welding torch, and a roller tube support. The workpiece fixing and clamping mechanism is fixedly mounted at one end of the machine bed, and the workpiece moving and clamping mechanism is slidably mounted at the other end of the machine bed via the moving component. Slide modules are mounted on both the workpiece fixing and clamping mechanism and the workpiece moving and clamping mechanism. A laser welding torch is flexibly mounted on each slide module via the multi-joint welding torch positioning frame. The roller tube support is installed between the workpiece fixing and clamping mechanism and the workpiece moving and clamping mechanism.

2. The automated laser wireless welding device for idler roller bearing seats according to claim 1, characterized in that: Both the welding workpiece fixing clamping mechanism and the welding workpiece moving clamping mechanism include a base, a pneumatic slide table and a pneumatic chuck. The base is provided on the machine bed, the pneumatic slide table is slidably installed on the base, and the pneumatic chuck driven by a motor is installed on the pneumatic slide table.

3. The automated laser wireless welding device for idler roller bearing seats according to claim 1, characterized in that: The moving component includes a moving motor, a drive screw, and a nut. A slide groove is provided at one end of the upper surface of the machine bed. The drive screw driven by the moving motor is pre-embedded in the slide groove. A nut is threaded onto the drive screw and is fixed to the bottom of the welding workpiece moving clamping mechanism.

4. The automated laser wireless welding device for idler roller bearing seats according to claim 1, characterized in that: The slide module includes a longitudinal slide and a transverse slide. A mounting block is provided on the top of the pneumatic slide. A longitudinal slide is vertically mounted on the inner side of the mounting block. A transverse slide is longitudinally mounted on the longitudinal slide. A mounting plate is transversely mounted on the transverse slide. A multi-joint welding torch positioning bracket is mounted on the mounting plate.

5. The automated laser wireless welding device for idler roller bearing seats according to claim 1, characterized in that: The roller support includes a base frame, a lifting platform, a lifting screw, a geared motor, guide columns, and rollers. The lifting screw, driven by the geared motor, is installed on the base frame. The lifting platform is installed on the top of the lifting screw. Rollers are installed at both ends of the lifting platform. Guide columns that extend and retract within the base frame are installed at the four corners of the bottom surface of the lifting platform.

6. The automated laser wireless welding device for idler roller bearing seats according to claim 1, characterized in that: It also includes a visual monitoring camera, which is mounted on the laser welding gun.