CN-122007668-A - Laser cutting equipment and double-light-path synchronous line scanning device

Abstract

The application discloses laser cutting equipment and a double-light-path synchronous line scanning device, which relate to the technical field of light paths, wherein a light source module is used for emitting light beams, the double-light-path synchronous line scanning device is used for receiving the light beams and dividing the light beams into two parallel light beams so as to synchronously scan on a cutting platform, a first right-angle surface coating right-angle prism is used for dividing the light beams emitted by the light source module into two light beams with opposite directions, a first reflector group is used for guiding the light beams with opposite directions to a vibrating mirror module, the vibrating mirror module is used for respectively reflecting the two light beams to a second reflector group, the second reflector group is used for guiding the two light beams to a light beam parallel conversion module, and the light beam parallel conversion module is used for converting the two light beams into parallel light beams with the same directions to irradiate the cutting platform. Through the design, the consistency of synchronous cutting of the laser cutting equipment is improved.

Inventors

• OUYANG HUI
• LIU LIANG
• Xiong shun

Assignees

• 武汉智瞳视觉科技有限公司

Dates

Publication Date

20260512

Application Date

20260408

Claims (9)

1. 1. A laser cutting device is characterized by comprising a light source module, a double-light-path synchronous line scanning device and a cutting platform, wherein the light source module is used for emitting light beams, the double-light-path synchronous line scanning device is used for receiving the light beams and dividing the light beams into two parallel beams so as to synchronously scan on the cutting platform, the cutting platform is used for placing a product to be cut, the double-light-path synchronous line scanning device comprises a first right-angle surface coating right-angle prism, a first reflector group, a galvanometer module, a second reflector group and a light beam parallel conversion module, The first right-angle surface coating right-angle prism divides the light beams emitted by the light source module into light beams with two opposite directions, the first reflector group guides the light beams with the two opposite directions to the vibrating mirror module, the vibrating mirror module reflects the two light beams to the second reflector group respectively, the second reflector group guides the two light beams to the light beam parallel conversion module, and the light beam parallel conversion module converts the two light beams into parallel light beams with the same direction and irradiates the cutting platform.
2. 2. The laser cutting apparatus of claim 1, wherein the first mirror set includes a first mirror that reflects one of the two oppositely directed beams onto the fourth mirror that reflects the beam onto the galvanometer module, a second mirror that reflects the other of the two oppositely directed beams onto the third mirror that reflects the beam onto the galvanometer module, and a third mirror.
3. 3. The laser cutting apparatus according to claim 2, wherein the second mirror group includes a fifth mirror reflecting one of the two oppositely directed light beams onto the seventh mirror, a sixth mirror reflecting the other of the two oppositely directed light beams onto the eighth mirror, a seventh mirror reflecting the other of the two oppositely directed light beams onto the beam parallel conversion module, and an eighth mirror reflecting the light beam onto the beam parallel conversion module.
4. 4. A laser cutting device as claimed in claim 3, wherein the galvanometer module comprises a double sided galvanometer comprising a front reflecting surface and a back reflecting surface, the front reflecting surface and the back reflecting surface being parallel and the front reflecting surface and the back reflecting surface reflecting two beams respectively.
5. 5. The laser cutting apparatus of claim 4, wherein the beam parallel conversion module comprises a second right angle surface coated right angle prism, two right angle surfaces of the second right angle surface coated right angle prism respectively face the seventh mirror and the eighth mirror, and a bevel of the second right angle surface coated right angle prism faces away from the cutting platform.
6. 6. The laser cutting apparatus of claim 5, further comprising a second prism moving assembly coupled to the second right angle face coated right angle prism to control a distance between the second right angle face coated right angle prism and the cutting deck.
7. 7. The laser cutting apparatus of claim 2, wherein the first mirror and the third mirror are parallel, the second mirror and the fourth mirror are parallel, the first mirror and the second mirror are perpendicular, and the third mirror and the fourth mirror are perpendicular.
8. 8. The laser cutting apparatus according to claim 3, wherein the fifth mirror and the eighth mirror are parallel, the sixth mirror and the seventh mirror are parallel, the fifth mirror and the seventh mirror are perpendicular, and the sixth mirror and the eighth mirror are perpendicular.
9. 9. The double-light-path synchronous line scanning device is characterized by being used for the laser cutting device according to any one of claims 1-8, and comprises a first right-angle surface coating rectangular prism, a first reflector group, a second reflector group, a beam parallel conversion module and a galvanometer module, wherein the first right-angle surface coating rectangular prism is used for dividing a light beam emitted by a light source module into two light beams with opposite directions, the first reflector group guides the two light beams with opposite directions onto the galvanometer module, the galvanometer module reflects the two light beams onto the second reflector group respectively, the second reflector group guides the two light beams onto the beam parallel conversion module, and the beam parallel conversion module converts the two light beams into parallel light beams with the same directions and irradiates the cutting platform.

Description

Laser cutting equipment and double-light-path synchronous line scanning device Technical Field The application relates to the technical field of optical paths, in particular to laser cutting equipment and a double-optical-path synchronous line scanning device. Background The double-light-path synchronous line scanning technology in the existing laser cutting equipment has important application in industrial production, and the cutting efficiency and the cutting precision can be improved through the design of double light paths. However, the dual-optical-path synchronous line scanning technology in the existing laser cutting device also has some limitations, such as poor consistency of synchronous cutting of the existing laser cutting device, so how to improve the consistency of synchronous cutting of the laser cutting device becomes a problem to be solved. Disclosure of Invention The application aims to provide laser cutting equipment and a double-light-path synchronous line scanning device, so that the consistency of synchronous cutting of the laser cutting equipment is improved. The application discloses laser cutting equipment which comprises a light source module, a double-light-path synchronous line scanning device and a cutting platform, wherein the light source module is used for emitting light beams, the double-light-path synchronous line scanning device is used for receiving the light beams and dividing the light beams into two parallel light beams so as to synchronously scan on the cutting platform, the cutting platform is used for placing a product to be cut, the double-light-path synchronous line scanning device comprises a first right-angle surface coating rectangular prism, a first reflector group, a galvanometer module, a second reflector group and a light beam parallel conversion module, the first right-angle surface coating rectangular prism divides the light beams emitted by the light source module into two light beams with opposite directions, the first reflector group guides the two light beams with opposite directions to the galvanometer module, the galvanometer module respectively reflects the two light beams onto the second reflector group, the second reflector group guides the two light beams onto the light beam parallel conversion module, and the light beam parallel conversion module converts the two light beams into parallel light beams with the same directions to irradiate the cutting platform. Optionally, the first reflector group includes a first reflector, a second reflector, a third reflector and a fourth reflector, where the first reflector reflects one of the two beams with opposite directions onto the fourth reflector, the fourth reflector reflects the beam onto the galvanometer module, the second reflector reflects the other of the two beams with opposite directions onto the third reflector, and the third reflector reflects the beam onto the galvanometer module. Optionally, the second reflector group includes a fifth reflector, a sixth reflector, a seventh reflector and an eighth reflector, where the fifth reflector reflects one of the two beams with opposite directions onto the seventh reflector, the seventh reflector reflects the beam onto the beam parallel conversion module, the sixth reflector reflects the other of the two beams with opposite directions onto the eighth reflector, and the eighth reflector reflects the beam onto the beam parallel conversion module. Optionally, the galvanometer module includes a double-sided galvanometer, the double-sided galvanometer includes a front reflection surface and a back reflection surface, the front reflection surface is parallel to the back reflection surface, and the front reflection surface and the back reflection surface reflect two light beams respectively. Optionally, the light beam parallel conversion module includes a second right angle surface coated right angle prism, two right angle surfaces of the second right angle surface coated right angle prism face to the seventh reflector and the eighth reflector respectively, and an inclined plane of the second right angle surface coated right angle prism faces away from the cutting platform. Optionally, the laser cutting device further includes a second prism moving assembly, where the second prism moving assembly is connected with the second right angle surface coating right angle prism, and controls a distance between the second right angle surface coating right angle prism and the cutting platform. Optionally, the first reflector is parallel to the third reflector, the second reflector is parallel to the fourth reflector, the first reflector is perpendicular to the second reflector, and the third reflector is perpendicular to the fourth reflector. Optionally, the fifth reflecting mirror is parallel to the eighth reflecting mirror, the sixth reflecting mirror is parallel to the seventh reflecting mirror, the fifth reflecting mirror is perpendicular to the seventh reflectin