CN111533439B - Method for manufacturing round glass by laser cutting - Google Patents

Method for manufacturing round glass by laser cutting Download PDF

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Publication number
CN111533439B
CN111533439B CN202010245968.6A CN202010245968A CN111533439B CN 111533439 B CN111533439 B CN 111533439B CN 202010245968 A CN202010245968 A CN 202010245968A CN 111533439 B CN111533439 B CN 111533439B
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square
glass plate
standard
processing table
laser
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CN111533439A (en
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汤占刚
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Dongguan Taisheng Glass Co Ltd
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Dongguan Taisheng Glass Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/08—Severing cooled glass by fusing, i.e. by melting through the glass
    • C03B33/082—Severing cooled glass by fusing, i.e. by melting through the glass using a focussed radiation beam, e.g. laser
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
    • C03B33/03—Glass cutting tables; Apparatus for transporting or handling sheet glass during the cutting or breaking operations
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • C03B33/04—Cutting or splitting in curves, especially for making spectacle lenses

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention provides a method for manufacturing round glass by laser cuttingThe method 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 (ii) a Fixing the laser head at the output end of the driving device, and driving the laser head edge (x-delta x) by the driving device 2 +（y‑△y） 2 =R 2 The actual movement track of the laser head moves, so that the laser beam emitted downwards by the laser head cuts the square glass plate to obtain the round glass 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.

Description

Method for manufacturing round glass by laser cutting
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 Na 2 SiO 3 、CaSiO 3 、SiO 2 Or Na 2 O·CaO·6SiO 2 And 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 O 1 (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 A 1 （-R，-R）、B 1 （R，-R）、C 1 （R，R）、D 1 (-R, R) standard processing track of x 2 +y 2 =R 2 X 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, shooting the image of the square glass plate on the processing table by 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 on the standard plane coordinate system 2 （x 1 ，y 1 ）、B 2 （x 2 ，y 2 ）、C 2 （x 3 ，y 3 ）、D 2 （x 4 ，y 4 ) Determining the center coordinates 0 of the square glass plate 2 （△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 edge (x-delta x) 2 +（y-△y） 2 =R 2 The 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.
In particular, it can be expressed by the formula Δ x = x 1 +R、△x=x 2 -R、△x=x 3 -R、△x=x 4 One of + RThe expression of delta x can be according to the formula delta y = y 1 +R、△y=y 2 +R、△y=y 3 -R、△y=y 4 -one of R finds Deltay.
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 track 3 （x 5 ，y 5 ）、B 3 （x 6 ，y 6 ）、C 3 （x 7 ，y 7 ）、D3（x 8 ，y 8 ) Setting A 3 （x 5 ，y 5 ）、B 3 （x 6 ，y 6 ）、C 3 （x 7 ，y 7 ）、D 3 （x 8 ，y 8 ) A 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 rising state, the lifting module outside the supporting area is in a falling state, wherein x is 5 =△x-Rcos45°、y 5 =△y-Rsin45°、x 6 =△x+Rcos45°、y 6 =△y-Rsin45°、x 7 =△x+Rcos45°、y 7 =△y+Rsin45°、x 8 =△x-Rcos45°、y 8 =△y+Rsin45°。
Specifically, the upper end of each lifting module is also provided with a vacuum chuck connected with a vacuum device.
The beneficial effects of the invention are:
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 diagram of the structure 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.
Example 1
Referring to FIGS. 1-7: a method for manufacturing round glass by laser cutting comprises the following steps:
s1, a square standard processing area 2 is set on the processing table surface 1, a standard plane coordinate system is established, and the center of the standard plane coordinate system is set as O 1 (0, 0) setting the radius of the circular glass product 3 as R and coordinate points of four corners of the standard processing area 2 as A 1 （-R，-R）、B 1 （R，-R）、C 1 （R，R）、D 1 (-R, R) standard processing trajectory 4 is x 2 +y 2 =R 2 X and y are variables, and the coordinate information is recorded in the control system;
s2 is to be processedThe square glass plate 5 is placed on the processing table board 1, the image of the square glass plate 5 on the processing table board 1 is shot by the camera module, the image is fed back to the control system to be compared with the standard plane coordinate system, and the coordinates A of the four corners of the square glass plate 5 on the standard plane coordinate system are grabbed 2 （x 1 ，y 1 ）、B 2 （x 2 ，y 2 ）、C 2 （x 3 ，y 3 ）、D 2 （x 4 ，y 4 ) Can be according to the formula Δ x = x 1 +R、△x=x 2 -R、△x=x 3 -R、△x=x 4 Δ x is determined for one of + R, and can be calculated from the formula Δ y = y 1 +R、△y=y 2 +R、△y=y 3 -R、△y=y 4 -one of R finds Deltay, determining the central coordinate 0 of the square glass plate 5 2 （△x，△y）；
S3A driving device with XY double-shaft transmission is arranged right above the processing table board 1, the driving device can be a lead screw component or other device with high precision and controllable stroke, the laser head is fixed at the output end of the driving device, and the driving device is utilized to drive the laser head edge (x-delta x) 2 +（y-△y） 2 =R 2 The actual movement 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.
Preferably, the camera module is a CCD camera, which is located right above the processing table top 1 and can shoot downwards, and feeds back the shot image to the control system, so as to detect the position of the square glass plate 5 on the processing table top 1.
Preferably, because the laser beam is a high-energy beam, the processing table board 1 is easily damaged in the processing process, for this reason, a plurality of independent lifting modules 6 distributed in an array are further arranged on the processing table board 1 in the embodiment, one lifting module (6) is set to correspond to one cell in a standard plane coordinate system, and four coordinates A are captured on the actual motion track 3 （x 5 ，y 5 ）、B 3 （x 6 ，y 6 ）、C 3 （x 7 ，y 7 ）、D3（x 8 ，y 8 ) Setting A 3 （x 5 ，y 5 ）、B 3 （x 6 ，y 6 ）、C 3 （x 7 ，y 7 ）、D 3 （x 8 ，y 8 ) 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, and the lifting module 6 outside the supporting area to be in a falling state, so that in the actual cutting process, because the position of the lifting module 6 in the non-supporting area is lower, a laser beam cannot contact the lifting module 6 in the non-supporting area, and the protection effect is achieved, wherein x is 5 =△x-Rcos45°、y 5 =△y-Rsin45°、x 6 =△x+Rcos45°、y 6 =△y-Rsin45°、x 7 =△x+Rcos45°、y 7 =△y+Rsin45°、x 8 =△x-Rcos45°、y 8 =△y+Rsin45°。
Preferably, in order to enable the square glass plate 5 to be closer to the table top, the upper end of each lifting module 6 is further provided with a vacuum chuck connected with a vacuum device, and after the square glass plate 5 is placed, the vacuum chucks on the lifting modules 6 in the non-supporting area are started to adsorb the square glass plate 5, so that the risk of loosening the square glass plate 5 is prevented, and the processing precision is further improved.
The above examples only show 1 embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (3)

1. The method for manufacturing the round glass by laser cutting is characterized by comprising the following steps of:
s1 setting a square standard processing area (2) on the processing table top (1), establishing a standard plane coordinate systemCenter is set to O 1 (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 A 1 （-R，-R）、B 1 （R，-R）、C 1 （R，R）、D 1 (-R, R) with a standard processing trajectory (4) of x 2 +y 2 =R 2 X 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 system 2 （x 1 ，y 1 ）、B 2 （x 2 ，y 2 ）、C 2 （x 3 ，y 3 ）、D 2 （x 4 ，y 4 ) Determining the central coordinates 0 of a square glass plate (5) 2 （△x，△y）；
S3A driving device with XY double-shaft transmission is arranged right above the processing table top (1), the laser head is fixed at the output end of the driving device, and the driving device is used for driving the laser head edge (x-delta x) 2 +（y-△y） 2 =R 2 The actual motion track is moved, x and y are variables, so that a laser beam emitted downwards by the laser head cuts the square glass plate (5) to obtain a round glass product (3);
a plurality of independent lifting modules (6) distributed in an array are further arranged on the processing table board (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 track 3 （x 5 ，y 5 ）、B 3 （x 6 ，y 6 ）、C 3 （x 7 ，y 7 ）、D3（x 8 ，y 8 ) Setting A 3 （x 5 ，y 5 ）、B 3 （x 6 ，y 6 ）、C 3 （x 7 ，y 7 ）、D 3 （x 8 ，y 8 ) 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 is 5 =△x-Rcos45°、y 5 =△y-Rsin45°、x 6 =△x+Rcos45°、y 6 =△y-Rsin45°、x 7 =△x+Rcos45°、y 7 =△y+Rsin45°、x 8 =△x-Rcos45°、y 8 =△y+Rsin45°。
2. The method for manufacturing the round glass by laser cutting according to claim 1, wherein the camera module is a CCD camera.
3. 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).
CN202010245968.6A 2020-03-31 2020-03-31 Method for manufacturing round glass by laser cutting Active CN111533439B (en)

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CN112390519A (en) * 2020-10-31 2021-02-23 江苏汇鼎光学眼镜有限公司 Lens cutting method

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JP5221560B2 (en) * 2007-11-27 2013-06-26 三星ダイヤモンド工業株式会社 Laser processing equipment
CN103465198B (en) * 2013-09-25 2015-04-22 深圳市华星光电技术有限公司 Glass processing platform and method for processing glass
CN105643092B (en) * 2014-11-13 2017-09-29 大族激光科技产业集团股份有限公司 Workpiece coordinate method is regained using CCD in a kind of Compound Machining
CN106363304B (en) * 2016-08-19 2018-05-22 武汉华工激光工程有限责任公司 The device that a kind of polyphaser correction and localization method and glass laser are cut
CN109570779A (en) * 2018-12-29 2019-04-05 大族激光科技产业集团股份有限公司 A kind of laser processing and laser-processing system
CN210335859U (en) * 2019-04-30 2020-04-17 东莞泰升玻璃有限公司 Glass processing platform
CN110340553B (en) * 2019-08-12 2022-01-04 浙江华工光润智能装备技术有限公司 Large-breadth glass laser cutting hole positioning method and system

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