阅读说明：本技术 一种激光切割制作圆形玻璃的方法 (Method for manufacturing round glass by laser cutting ) 是由 汤占刚 于 2020-03-31 设计创作，主要内容包括：本发明提供的一种激光切割制作圆形玻璃的方法,包括以下步骤：在加工台面上设定一个正方形的标准加工区域,建立标准平面坐标系,标准加工轨迹为x<Sup>2</Sup>+y<Sup>2</Sup>＝R<Sup>2</Sup>；将待加工的正方形玻璃板放置在加工台面上,利用摄像模块拍摄正方形玻璃板在加工台面上的图像,将图像反馈至控制系统中与标准平面坐标系比对,确定正方形玻璃板的中心坐标0<Sub>2</Sub>；将激光头固定在驱动装置的输出端,利用驱动装置驱动激光头沿(x+△x)<Sup>2</Sup>+(y+△y)<Sup>2</Sup>＝R<Sup>2</Sup>的实际运动轨迹移动,从而激光头向下发出的激光束对正方形玻璃板进行切割,得到圆形玻璃产品。本发明提供的激光切割制作圆形玻璃的方法,能够自动对玻璃进行定位切割,切割效率高,产品精准度高。(The invention provides a method for manufacturing round glass by laser cutting, which comprises the following steps: setting a square standard processing area on a processing table surface, establishing a standard plane coordinate system, and setting a standard processing track as x 2 +y 2 ＝R 2 (ii) a Placing a square glass plate to be processed on a processing table board, shooting an image of the square glass plate on the processing table board by using a camera module, feeding the image back to a control system to be compared with a standard plane coordinate system, and determining a central coordinate 0 of the square glass plate 2 Fixing the laser head at the output end of the driving device, and driving the laser head edge (x + △ x) by the driving device 2 +(y+△y) 2 ＝R 2 So that the laser beam emitted downwards by the laser head cuts the square glass plate to obtain the round glassAnd (5) producing the product. The method for manufacturing the round glass by laser cutting can automatically position and cut the glass, and has high cutting efficiency and high product precision.)

1. A method for manufacturing round glass by laser cutting is characterized by comprising the following steps:

s1, a square standard processing area (2) is set on the processing table top (1), a standard plane coordinate system is established, and the center of the standard plane coordinate system is set as O₁(0, 0), setting the radius of the round glass product (3) as R and the coordinate points of the four corners of the standard processing area (2) as A₁(-R，-R)、B₁(R，-R)、C₁(R，R)、D₁(-R, R) with a standard processing trajectory (4) of x²+y²＝R²X and y are variables, and the coordinate information is recorded in the control system;

s2, placing the square glass plate (5) to be processed on the processing table board (1), shooting the image of the square glass plate (5) on the processing table board (1) by using the camera module, feeding the image back to the control system to be compared with the standard plane coordinate system, and grabbing the coordinate A of the four corners of the square glass plate (5) on the standard plane coordinate system₂(x₁，y₁)、B₂(x₂，y₂)、C₂(x₃，y₃)、D₂(x₄，y₄) Determining the central coordinates 0 of a square glass plate (5)₂(△x，△y)；

S3A driving device with XY dual-axis transmission is arranged right above the processing table top (1), and the laser head is fixed on the transmission of the driving deviceAt the output end, a driving device is used for driving a laser head edge (x + △ x)²+(y+△y)²＝R²The actual motion track of the laser head moves, x and y are variables, so that the laser beam emitted downwards by the laser head cuts the square glass plate (5) to obtain the round glass product (3).

2. The method for making round glass by laser cutting as claimed in claim 1, wherein x is △ x₁+R、△x＝x₂-R、△x＝x₃-R、△x＝x₄△ x is determined for one of + R, and can be determined from equation △ y ═ y₁+R、△y＝y₂+R、△y＝y₃-R、△y＝y₄One of R finds △ y.

3. The method for manufacturing the round glass by laser cutting according to claim 1, wherein the camera module is a CCD camera.

4. The method for manufacturing the round glass by laser cutting according to claim 1, wherein a plurality of independent lifting modules (6) distributed in an array are further arranged on the processing table top (1), one lifting module (6) is set to correspond to one cell in a standard plane coordinate system, and four coordinates A are captured on an actual motion track₃(x₅，y₅)、B₃(x₆，y₆)、C₃(x₇，y₇)、D3(x₈，y₈) Setting A₃(x₅，y₅)、B₃(x₆，y₆)、C₃(x₇，y₇)、D₃(x₈，y₈) The square area formed by the four coordinate points is a supporting area, before the laser head is started, the control system controls the lifting module (6) in the supporting area to be in a rising state, the lifting module (6) outside the supporting area to be in a falling state, wherein x is₅＝△x-Rcos45°、y₅＝△y-Rsin45°、x₆＝△x+Rcos45°、y₆＝△y-Rsin45°、x₇＝△x+Rcos45°、y₇＝△y+Rsin45°、x₈＝△x-Rcos45°、y₈＝△y+Rsin45°。

5. The method for manufacturing round glass by laser cutting is characterized in that a vacuum chuck connected with a vacuum device is further arranged at the upper end of each lifting module (6).

Technical Field

The invention relates to the technical field of glass processing, in particular to a method for manufacturing round glass by laser cutting.

Background

Glass is an amorphous inorganic non-metallic material, and is generally prepared by using various inorganic minerals (such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash and the like) as main raw materials and adding a small amount of auxiliary raw materials. Its main components are silicon dioxide and other oxides. The chemical composition of the ordinary glass is Na₂SiO₃、CaSiO₃、SiO₂Or Na₂O·CaO·6SiO₂And the main component is silicate double salt which is amorphous solid with a random structure.

With the rapid development of the building industry, the demand for glass is also increasing. Generally, in order to adapt to the use in some fields, the glass needs to be cut into a circular structure, the conventional cutting mode is to cut rectangular glass produced in batches by using a cutting machine, the cutting mode is easy to generate dust and seriously pollutes a processing area, in addition, the edge cut by the cutting machine is uneven, and the edge grinding is needed in the later period, so the efficiency is extremely low.

In order to solve the above problems, a technical means of laser cutting is provided, a motion track of a laser head is preset in a control system, a laser beam is used for cutting glass, before cutting, the position of the glass to be cut needs to be strictly controlled, otherwise, the phenomenon of deviation is easily caused, and the precision of the glass is seriously influenced.

Disclosure of Invention

Aiming at the problems, the invention provides a method for manufacturing round glass by laser cutting, which can automatically position and cut the glass, and has high cutting efficiency and high product precision.

In order to achieve the purpose, the invention is solved by the following technical scheme:

a method for manufacturing round glass by laser cutting comprises the following steps:

s1 setting a square standard processing area on the processing table, establishing a standard plane coordinate system with its center set as O₁(0, 0), setting the radius of the round glass product as R, and setting coordinate points of four corners of the standard processing area as A₁(-R，-R)、B₁(R，-R)、C₁(R，R)、D₁(-R, R) standard processing track of x²+y²＝R²X and y are variables, and the coordinate information is recorded in the control system;

s2 placing the square glass plate to be processed on the processing table top, and using the camera moduleShooting the image of the square glass plate on the processing table surface, feeding the image back to the control system to be compared with the standard plane coordinate system, and grabbing the coordinates A of the four corners of the square glass plate on the standard plane coordinate system₂(x₁，y₁)、B₂(x₂，y₂)、C₂(x₃，y₃)、D₂(x₄，y₄) Determining the center coordinates 0 of the square glass plate₂(△x，△y)；

S3A driving device with XY dual-axis transmission is arranged right above the processing table, the laser head is fixed at the output end of the driving device, and the driving device is used for driving the laser head to move along (x + △ x)²+(y+△y)²＝R²The actual movement track is moved, x and y are variables, so that the laser beam emitted downwards by the laser head cuts the square glass plate to obtain the round glass product.

Specifically, the formula △ x can be expressed as x₁+R、△x＝x₂-R、△x＝x₃-R、△x＝x₄△ x is determined for one of + R, and can be determined from equation △ y ═ y₁+R、△y＝y₂+R、△y＝y₃-R、△y＝y₄One of R finds △ y.

Specifically, the camera module is a CCD camera.

Specifically, a plurality of independent lifting modules distributed in an array are further arranged on the processing table top, one lifting module is set to correspond to one cell in a standard plane coordinate system, and four coordinates A are captured on an actual motion track₃(x₅，y₅)、B₃(x₆，y₆)、C₃(x₇，y₇)、D3(x₈，y₈) Setting A₃(x₅，y₅)、B₃(x₆，y₆)、C₃(x₇，y₇)、D₃(x₈，y₈) The square area formed by the four coordinate points is a supporting area, before the laser head is started, the control system controls the lifting module in the supporting area to be in a lifting state, and the lifting module outside the supporting area is in a lifting stateA descending state in which x₅＝△x-Rcos45°、y₅＝△y-Rsin45°、x₆＝△x+Rcos45°、y₆＝△y-Rsin45°、x₇＝△x+Rcos45°、y₇＝△y+Rsin45°、x₈＝△x-Rcos45°、y₈＝△y+Rsin45°。

Specifically, the upper end of each lifting module is also provided with a vacuum chuck connected with a vacuum device.

The invention has the beneficial effects that:

firstly, the method for manufacturing the round glass by laser cutting can automatically position and cut the glass, and has high cutting efficiency and high product precision;

secondly, be equipped with a plurality of independent and be array distribution's lifting module on the processing mesa, according to the state of the position control lifting module of product before the cutting for lifting module rises automatically and forms the support region, and the lifting module automatic decline in non-support region can prevent the damage that high-energy laser beam caused the processing mesa.

Drawings

FIG. 1 is a schematic view of a square glass plate being processed into a round glass product.

Fig. 2 is a schematic structural diagram of the step S1 of setting a square standard processing area on the processing table and establishing a standard planar coordinate system.

Fig. 3 is a schematic structural diagram of the processing table of the present invention, wherein a plurality of independent lifting modules are arranged on the processing table and distributed in an array, and all the lifting modules are in a lifting state.

Fig. 4 is a state diagram of the lifting module in an ideal state.

FIG. 5 is a schematic structural diagram of the actual movement trace established according to the steps S2 and S3 when the square glass plate is deviated.

Fig. 6 is a schematic structural diagram of the support area established according to the actual motion trajectory.

Fig. 7 is a state diagram of the lifting module in an actual process.

The reference signs are: the device comprises a processing table board 1, a standard processing area 2, a round glass product 3, a standard processing track 4, a square glass plate 5 and a lifting module 6.

Detailed Description

The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.