Plate-bending online laser welding technology and its equipment

A technology of laser welding and plate rolling, which is applied in laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of expensive equipment, expensive equipment, complex technology of high-precision double-edged shears, etc., and achieve low cost, The effect of compact equipment structure and reduced requirements for cutting quality

Inactive Publication Date: 2008-01-09
HUAZHONG UNIV OF SCI & TECH
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AI Technical Summary

Problems solved by technology

In order to ensure the quality of joints, high-precision shearing is usually used in the world for pre-processing, and high-precision double-edged shears are used to simultaneously cut the head and tail of the steel coil to meet the requirements of laser welding. Most domes

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  • Plate-bending online laser welding technology and its equipment
  • Plate-bending online laser welding technology and its equipment
  • Plate-bending online laser welding technology and its equipment

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Embodiment Construction

[0018] The present invention provides an on-line laser welding process for coiled plates. The basic laser welding process steps are as follows: (1) Return the system to its original position. (2) In the production process, the head and tail of the steel strip are introduced into the front and rear feeding mechanism of the laser welding equipment, and the front and rear feeding heads are pinched and pressed by the pressure plate to press the steel belt. , and centered by the centering mechanism, the front and rear leveling platens press the steel belt to ensure that the steel belt is flat when shearing. (3) The upper shearing machine punches the head and tail of the steel strip coil, and sinks directly into the lower shearing machine after punching, so that the back of the shear body is horizontally aligned with the steel strip. (4) The front and rear leveling pressure plates are loosened and fed to the middle, the front and rear pinch pressure plates are sent to the centering ...

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Abstract

The present invention is plate bending and laser welding process and apparatus. The technological process includes cutting with one upper shearing machine and one lower shearing machine, lowering the upper shearing machine, raising the leveling plates on two sides and pushing with bogies on two sides for matching two cut edges of the workpiece, closing two leveling plates to clamp the workpiece on the upper shearing machine, and welding with the laser head to form weld seam. The apparatus includes one shearing system comprising two shearing machines, one workpiece fixture, tracked bogies and one driving mechanism; and one welding laser set comprising one laser guide unit, one laser head, and one X and Y axis assembly. The present invention has simple technological process, compact apparatus structure and low cost, and is suitable for plate bending and welding production.

Description

technical field [0001] The invention belongs to the technical field of laser welding processing, and in particular relates to a processing technology and equipment for on-line welding of coiled plates by using laser in the metallurgical industry. Background technique [0002] In the metallurgical industry, the hot (cold) rolled coil tailor welding unit is the key technical equipment in the continuous cold rolling production, pickling and coating production lines. At present, the vast majority of continuous cold rolling, pickling and coating production lines in China use traditional welding methods such as flash welding machines. The production practice shows that: the weld seam of the flash welding machine cannot pass through the rolling mill normally, so that the weld seam passes through the rolling mill, and the roll must be lifted, resulting in an excessively long length of tolerance, and a greatly reduced yield; when the flash weld seam passes through the rolling mill, t...

Claims

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Application Information

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IPC IPC(8): B23P23/04B23D15/06B23K26/24B23K26/42B23K26/04B23K26/06B23K26/046B23K26/70
Inventor 陈培锋王英王磊
Owner HUAZHONG UNIV OF SCI & TECH
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