CN211375199U

CN211375199U - Laser spot shaping device

Info

Publication number: CN211375199U
Application number: CN201821066359.9U
Authority: CN
Inventors: 冯爱新; 陈欢; 尚大智; 贾天代; 刘勇
Original assignee: Wenzhou University; Institute of Laser and Optoelectronics Intelligent Manufacturing of Wenzhou University
Current assignee: Wenzhou University; Institute of Laser and Optoelectronics Intelligent Manufacturing of Wenzhou University
Priority date: 2018-07-06
Filing date: 2018-07-06
Publication date: 2020-08-28
Anticipated expiration: 2028-07-06

Abstract

The utility model discloses a laser facula shaping device, including the binary optical element that is used for the facula shape to change for control the electronic translation platform that binary optical element removed and be used for the Galileo telescope structure of facula plastic, binary optical element is fixed in electronic translation bench, and Galileo telescope structure includes a concave lens and a convex lens, and convex lens and concave lens are located same central line. Controlling the electric translation table to move to drive the binary optical element to move, so that the binary optical element moves to a position overlapped with the center of the Galileo telescope structure, and outputting square light spots; the binary optical element is driven to move out from the position coinciding with the center of the Galileo telescope structure by controlling the movement of the electric translation table, so that the output of a circular light spot is realized; the input round light spot is converted and adjusted into a square light spot for output through light spot shaping, and the output light spot of the laser is switched between the round light spot and the square light spot. And the output conversion of the round light spots and the square light spots is realized.

Description

Laser spot shaping device

Technical Field

The utility model relates to a laser facula shaping device belongs to laser shock processing technology field.

Background

At present, in the laser processing process, due to the different processing technology requirements of different workpieces, more requirements are required on light spots, different processing technologies require light spots of different shapes, and the light spots output by a laser are usually only round light spots, so that the round light spots are required to be adjusted into square light spots through light spot shaping, different technology requirements can be met, and the requirements of simple structure, easiness in manufacturing and assembling, low cost and the like are met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art existence, provide a laser facula shaping device.

The purpose of the utility model is realized through the following technical scheme:

laser facula shaping device, the characteristics are: the Galileo telescope comprises a binary optical element for changing the shape of a light spot, an electric translation table for controlling the binary optical element to move and a Galileo telescope structure for shaping the light spot, wherein the binary optical element is fixed on the electric translation table, the Galileo telescope structure comprises a concave lens and a convex lens, and the convex lens and the concave lens are positioned on the same central line.

Further, in the above laser spot shaping device, the binary optical element is a DOE lens group.

Further, in the laser spot shaping device, a distance from the first DOE lens of the DOE lens group to the concave lens is 1.2 m.

Further, in the above laser spot shaping device, an aperture of the concave lens is 100 mm.

Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:

the utility model changes and adjusts the input round facula into square facula to be output through the facula shaping, so that the output facula of the laser can be switched between the round facula and the square facula, and different process requirements can be satisfied; the output conversion of the round light spots and the square light spots is realized, and the device has the characteristics of simple structure, easiness in manufacturing and assembling, convenience in maintenance and the like.

Drawings

FIG. 1: the utility model discloses a schematic diagram of circular light spot output of the device;

FIG. 2: the utility model discloses install square facula output schematic diagram.

The meanings of the reference symbols in the figures are given in the following table:

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, specific embodiments will now be described in detail.

As shown in fig. 1 to 2, the laser spot shaping device includes a binary optical element 2 for changing the shape of a laser spot, an electric translation stage 1 for controlling the movement of the binary optical element, and a galilean telescope structure 4 for shaping the laser spot, wherein the binary optical element 2 is fixed on the electric translation stage 1, the galilean telescope structure 4 includes a concave lens 42 and a convex lens 41, and the convex lens 41 and the concave lens 42 are located on the same central line.

Wherein, the electric translation stage 1 is controlled by a motor to move horizontally.

The binary optical element 2 is a DOE lens group, and the distance from the first DOE lens of the DOE lens group to the concave lens 42 is 1.2 m. The aperture of the concave lens 42 is 100 mm.

When the device is applied specifically, the electric translation table 1 is controlled to move to drive the binary optical element 2 to move, so that the binary optical element 2 moves to a position overlapped with the center of the Galileo telescope structure 4, and the output of the square light spot 6 is realized, as shown in FIG. 2; the binary optical element 2 is driven to move out from the position which is overlapped with the center of the Galileo telescope structure 4 by controlling the movement of the electric translation table 1, so that the output of the circular light spot 5 is realized, as shown in figure 1. The input round light spot 3 is converted and adjusted into the square light spot 6 for output through light spot shaping, so that the output light spot of the laser is switched between the round light spot and the square light spot, and different process requirements are met.

To sum up, the utility model transforms and adjusts the input round light spot into the square light spot for output through the light spot shaping, so that the output light spot of the laser can be switched between the round light spot and the square light spot, thereby meeting different process requirements; the output conversion of the round light spots and the square light spots is realized, and the device has the characteristics of simple structure, easiness in manufacturing and assembling, convenience in maintenance and the like.

It should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; while the invention has been described with reference to exemplary embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. Laser facula shaping device, its characterized in that: the device comprises a binary optical element (2) used for changing the shape of a light spot, an electric translation table (1) used for controlling the movement of the binary optical element and a Galileo telescope structure (4) used for shaping the light spot, wherein the binary optical element (2) is fixed on the electric translation table (1), the Galileo telescope structure (4) comprises a concave lens (42) and a convex lens (41), and the convex lens (41) and the concave lens (42) are positioned on the same central line.

2. The laser spot shaping device according to claim 1, wherein: the binary optical element (2) is a DOE lens group.

3. The laser spot shaping device according to claim 1, wherein: the distance from the first DOE lens of the DOE lens group to the concave lens (42) is 1.2 m.

4. The laser spot shaping device according to claim 1, wherein: the aperture of the concave lens (42) is 100 mm.