Cooling laser cutting head

A laser cutting head, laser technology, applied in laser welding equipment, welding equipment, metal processing equipment and other directions, can solve the problems of unstable distance and reduced cutting quality, and achieve the effect of stable distance and smooth and uniform cutting effect.

Pending Publication Date: 2019-06-18
PENTA CHUTIAN LASER (WENZHOU) CO LTD
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

The distance between the nozzle and the plate becomes unstable, so the cutting quality also decreases

Method used

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  • Cooling laser cutting head
  • Cooling laser cutting head

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Embodiment Construction

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings, embodiments and effect examples, without limiting the present invention.

[0019] Such as Figure 1-2 As shown, a cooling laser cutting head includes a nozzle 1 and an insulator 2. The axis of the nozzle 1 has a light channel 3 for the laser to pass through. The nozzle 1 is used as the sensing electrode of the capacitive sensor, and the nozzle 1 is electrically connected to a capacitor Sensor, the capacitive sensor is installed on the cutting head, and is used to detect the distance between the nozzle 1 and the plate, the capacitive sensor transmits information to the control unit of the control system that controls the cutting head up and down, and the control system is adjusted by the control unit The distance between the cutting head and the plate, the nozzle 1 is provided with a connector 4, the insulator 2 is connected to the connector 4, the nozzle 1 is i...

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Abstract

The invention discloses a cooling laser cutting head. The cooling laser cutting head comprises a nozzle and an insulation body; a light ray channel for enabling laser to pass through is formed in theaxis of the nozzle; the nozzle is used as an induction electrode of a capacitance sensor, and is provided with a connecting body; the insulation body is connected with the connecting body; the nozzleis in insulation connection with a laser frame through the insulation body; a cooling block is arranged between the nozzle and the insulation body; the cooling block and the nozzle are arranged in a butting mode; the cooling block is arranged on the nozzle as the capacitance electrode, and is contacted with the nozzle; at the time of heat exchange of the cooling block, the nozzle contacted with the cooling block exchanges heat; through arrangement of the cooling block, the increasing temperature of the nozzle in the working process is counteracted; and the nozzle as the capacitance electrode can maintain a stable temperature to guarantee stable direct distances between the nozzle and plates, so that the cutting effect is smooth and uniform.

Description

technical field [0001] The invention relates to the field of laser cutting, in particular to a cooling laser cutting head. Background technique [0002] High-power laser cutting has become the mainstay equipment for sheet metal processing today, and its high processing efficiency and high precision are widely favored by the market. Laser cutting is not non-contact cutting. The laser cutting system senses the distance between the cutting nozzle and the plate through the capacitance between the nozzle and the plate. The change of the distance between the nozzle and the plate will affect the cutting effect. For example, when the laser is cutting carbon steel, the standard distance between the nozzle and the plate is 0.7mm, and when cutting stainless steel, the standard distance is 0.5mm. [0003] When cutting thicker carbon steel (above 20 mm), the temperature of the plate will continue to increase as the cutting progresses. At this time, the nozzle (made of red copper) used ...

Claims

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Application Information

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IPC IPC(8): B23K26/38B23K26/70
Inventor 吴让大蔡亮吴欣
Owner PENTA CHUTIAN LASER (WENZHOU) CO LTD
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