Sheet metal laser cutting platform and laser cutting process

By designing a rotatable baffle and adjustment cylinder on the laser cutting platform, combined with negative pressure suction and filtration collection technology, the problem of metal debris splashing when laser cutting special-shaped workpieces is solved, and the cutting quality and the service life of the nozzle are improved.

CN119077163BActive Publication Date: 2025-03-21WUHAN GN LASER EQUIP MFG CO
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Patent Information

Application Number
CN202411496304.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-03-21
Estimated Expiration
2044-10-25

AI Technical Summary

Technical Problem

When laser cutting of special-shaped workpieces, high-pressure auxiliary gas causes molten metal to splash, which easily hits the side plate of the workpiece and bounces back to the nozzle, causing the nozzle to be blocked or deformed, affecting the cutting quality.

Method used

A plate laser cutting platform is designed, using components such as mounting cylinders, baffles, adjustment cylinders, guide columns and drives. Through the rotation of the baffles and the sliding of the cylinder, rebounding metal debris is blocked, and the components such as negative pressure parts, filter plates, switching parts and collecting parts can be used to achieve suction and filter collection of smoke and metal debris.

Benefits of technology

Effectively block rebounding metal debris, avoid nozzle clogging or deformation, improve the stability of the laser beam and auxiliary gas, improve cutting quality, and extend the nozzle's service life.

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Abstract

The present application relates to a plate laser cutting platform and laser cutting process, and to the technical field of laser cutting equipment, which includes a workbench and a laser cutting head arranged on the workbench, the laser cutting head includes a laser generator and a nozzle coaxially arranged at the bottom of the laser generator, the workbench is provided with a moving component for driving the laser cutting head to move in the X, Y and Z directions, and a fixed component for fixing the special-shaped workpiece, the laser cutting head is arranged toward the workbench, the laser cutting head is coaxially sleeved with a mounting cylinder, the bottom of the mounting cylinder is rotatably provided with four groups of baffles, the four groups of baffles are evenly arranged along the circumference direction of the mounting cylinder, the four groups of baffles correspond to the four side plates of the special-shaped workpiece one by one, and a gap is left between the bottom side of the baffle and the special-shaped workpiece for the metal debris generated by cutting to sputter outward. The present application has the effect of helping to cut special-shaped workpieces, increasing the service life of the nozzle, and improving the cutting quality.
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