Novel galvanometer for laser machining equipment

Abstract

The invention provides a novel galvanometer for laser processing equipment. The galvanometer body is a flake-like structure, and the galvanometer is characterized in that the galvanometer body is madeof aluminum or aluminum alloy; one face of the galvanometer body is plated with a reflecting film formed as a reflecting surface; one end of the galvanometer body is connected to a rotating output end of a motor, and the rotation axis is located in the galvanometer body, and is parallel to the mirror surface; the galvanometer body is internally provided with a plurality of hollow holes arranged in parallel, and partition walls between adjacent hollow holes are formed as reinforcing ribs of the galvanometer; the hollow holes are formed opposite the rotation axis, parallel to the mirror surface, and penetrate from one end of the galvanometer body to the opposite end; The novel galvanometer has the advantages that the structure design is original, the production cost is low and the materialsare different, so that it is convenient for production and industrialization, and the service life is long.

Description

technical field [0001] The invention relates to the technical field of laser marking machines, in particular to a novel vibrating mirror used in laser processing equipment. Background technique [0002] Laser marking machine uses high-energy-density laser beams to irradiate the surface of various workpieces locally, so that the surface material of the material is rapidly vaporized or changes in color, thereby exposing the deep material, or causing chemical and physical changes in the surface material to engrave traces , or burn off part of the material through light energy, and display the desired etched graphics or text. [0003] More specifically, laser marking machines are mainly used in occasions that require finer and higher precision, such as electronic components, integrated circuits, mobile communications, hardware products, tool accessories, precision instruments, glasses clocks, jewelry, auto parts , building materials and other occasions. [0004] Existing laser...

AI Technical Summary

Problems solved by technology

However, for the vibrating mirror of the laser marking machine, its production requirements are very high. The application environment of the vibrating mirror makes it necessary to meet the following requirements when making the vibrating mirror: (1) The vibrating mirror cannot be too heavy, because the vibrating mirror is in the vibrating mirror cavity. Among them, the light beam is projected in the corresponding set area by rotating. If the galvanometer is too heavy, the galvanometer cannot be rotated lightly, and the marking speed will also be slowed down; (2) The galvanometer should not be too light , because the galvanometer will rotate hundreds of times in one second when the marking machine is performing marking operations. If the galvanometer is too light, it will cause the lens to shake when the galvanometer rotates, so that the beam cannot be projected on the In the corresponding set area, the marking accuracy is not accurate

[0005] In view of the conditions required for the vibrating mirror to be used in the laser marking machine, in the prior art, the vibrating mirror is usually made of tempered glass, and the glass with a thinner thickness is used. Ribs are provided to ensure that the vibrating mirror does not shake when it is rotated; however, this manufacturing method of the vibrating mirror will bring many problems, for example: (1) The production cost of the vibrating mirror is too high, and it is necessary for the manufacturer to adjust the vibration of the glass vibrating mirror. The oscillating mirror is manually ground, and the ground oscillating mirror must ensure that the weight of the left and right lenses centered on the rotation axis is consistent to ensure the left and right balance. Each oscillating mirror needs to be tested by the producer to see if it meets the requirements. The application requirements of the galvanometer, so the patience and craftsmanship of the producer are very particular about the production, and the production time is too long and the efficiency is low; (2) The difficulty of production, process difficulty and labor cost of the existing galvanometer determines the vibration. The price of the mirror is very expensive, it is difficult to control the cost, and it is difficult to mass-produce, so it cannot be mass-produced; (3) Since most of the existing vibrating mirrors are made of glass, when installing the vibrating mirror, it needs to be fixed on the rotating shaft On; the glass material of the vibrating mirror makes the accident of lens fragmentation happen if the installation is a little careless. Due to the high price of the vibrating mirror, the corresponding production cost of the marking machine will be increased; at the same time, during the installation process , due to the need for special care, the time cost is increased through manual installation; or installation with the help of certain tools will also lead to a corresponding increase in production costs

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