Laser cutting head for laser machining equipment

Abstract

The invention relates to a laser cutting head for laser machining equipment, which comprises a mounting block, a linear guide rail, a sliding block, a focusing tube fixing plate, a focusing tube, a focal length sensor, a motor fixing plate, a linear motor, and a microscope base. The linear guide rail is vertically fixed on the mounting block; the sliding block is glidingly installed on the near guide rail; the focusing tube fixing plate is fixed on the sliding block; the focusing tube and the focal length sensor are respectively fixed on two sides of the focusing tube fixing plate; the motor fixing plate and the microscope base are fixed at the upper end of the mounting block and positioned above the linear guide rail; the linear motor comprises a motor body, a screw rod connected with the motor body and positioned on the lower side of the motor body, and a nut sleeved on the screw rod; the motor body is fixed on the motor fixing plate; and the nut is fixed with the sliding block. The laser cutting head can realize automatic focusing and defocusing, and has a simple structure and is low in cost.

Description

technical field [0001] The invention relates to a component of laser processing equipment, in particular to a laser cutting head used in the laser processing equipment. Background technique [0002] At present, the laser cutting heads of low-end laser engraving and cutting machines are all fixed. When engraving is required, the focus is usually adjusted manually. Manual focus has the following disadvantages: 1. Low processing efficiency; 2. Manual adjustment errors are likely to cause product processing quality problems; 3. In some occasions that require automatic switching between focus and defocus, manual adjustment cannot complete the accurate switch of focal length. Although some high-end laser cutting models have auto-focus function, the mass and cost of the focusing module is too high, so it is not suitable for low-end laser engraving equipment that needs to run at high speed. Contents of the invention [0003] Therefore, the purpose of the present invention is to p...

AI Technical Summary

Problems solved by technology

Manual focus has the following disadvantages: 1. Low processing efficiency; 2. Manual adjustment errors are likely to cause product processing quality problems; 3. In some occasions that require automatic switching between focus and defocus, manual adjustment cannot complete the accurate switch of focal length

Although some high-end laser cutting models have auto-focus function, the quality of the mobilization module is too heavy and the cost is too high, so it is not suitable for low-end laser engraving equipment that needs to run at high speed

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