阅读说明：本技术 一种利用激光雕刻法在玻璃上制作阶梯槽的方法 (Method for manufacturing stepped groove on glass by using laser engraving method ) 是由 汤占刚 于 2020-03-31 设计创作，主要内容包括：本发明提供的一种利用激光雕刻法在玻璃上制作阶梯槽的方法,包括以下步骤：将激光头固定在具有XZ轴传动的驱动装置；激光头沿设定的第一路径移动,激光头向下发出的激光在玻璃板面上雕刻出凹槽,凹槽底部具有反射部,反射部具有第一斜面、第二斜面；在第一斜面与第二斜面上侧制作一层激光反射膜,以形成第一反射面、第二反射面；激光头向下发出的激光经过第一反射面与第二反射面的反射,转换为平行于水平面的激光,从而雕刻出第一内槽、第二内槽；去除激光反射膜；激光头沿设定的第二路径移动,激光头向下发出的激光将反射部雕刻去除,完成阶梯槽的制作。本发明提供的制作阶梯槽的方法,操作简单,加工效率高。(The invention provides a method for manufacturing a stepped groove on glass by using a laser engraving method, which comprises the following steps: fixing the laser head on a driving device with an XZ shaft transmission; the laser head moves along a set first path, a groove is carved on the surface of the glass plate by laser emitted downwards by the laser head, the bottom of the groove is provided with a reflecting part, and the reflecting part is provided with a first inclined surface and a second inclined surface; manufacturing a layer of laser reflection film on the upper sides of the first inclined plane and the second inclined plane to form a first reflection surface and a second reflection surface; laser emitted downwards by the laser head is reflected by the first reflecting surface and the second reflecting surface and is converted into laser parallel to the horizontal plane, so that a first inner groove and a second inner groove are carved; removing the laser reflection film; and the laser head moves along the set second path, and the downward laser emitted by the laser head carves and removes the reflecting part to finish the manufacture of the stepped groove. The method for manufacturing the stepped groove is simple to operate and high in machining efficiency.)

1. A method for manufacturing a stepped groove on glass by using a laser engraving method is characterized by comprising the following steps:

s1, preparing a glass plate (1), fixing a laser head (2) on a driving device with XZ axis transmission, and arranging a light outlet of the laser head (2) downwards;

s2, presetting a first path of a laser head (2), starting the laser head (2), setting the power of the laser head (2) to be aW, wherein a is more than or equal to 60, moving the laser head (2) along the set first path through a driving device, engraving a groove (11) on the surface of a glass plate (1) by laser emitted downwards by the laser head (2), wherein the bottom of the groove (11) is provided with a reflecting part (12), the reflecting part (12) is provided with a first inclined surface and a second inclined surface, the included angle between the first inclined surface and the horizontal plane is 45 degrees, and the included angle between the second inclined surface and the horizontal plane is 135 degrees;

s3, manufacturing a layer of laser reflection film (3) on the upper sides of the first inclined plane and the second inclined plane to form a first reflection plane and a second reflection plane;

s4, setting the power of the laser head (2) to be bW, b is more than a and is more than or equal to 60, starting the laser head (2), enabling the laser head (2) to move along the first path preset in the step S2 through a driving device, converting the laser emitted downwards by the laser head (2) into laser parallel to the horizontal plane through the reflection of the first reflecting surface and the second reflecting surface, and engraving a first inner groove (13) and a second inner groove (14);

s5 removing the laser reflection film (3);

s6, presetting a second path of the laser head (2), starting the laser head (2), setting the power of the laser head (2) to be aW, wherein a is more than or equal to 60, moving the laser head (2) along the set second path through the driving device, and engraving and removing the reflecting part (12) by the laser emitted downwards by the laser head (2) to finish the manufacture of the stepped groove (15).

2. The method of claim 1, wherein the step groove is formed on the glass by laser engraving, and the laser reflection film (3) is formed by magnetron sputtering coating in step S3.

3. The method for making a stepped groove on glass using a laser engraving method according to claim 1, wherein the laser reflecting film (3) is a silver plating film or a gold plating film in step S3.

4. The method for making a stepped groove on glass by using a laser engraving method according to claim 1, wherein in step S3, an ink transition film is first formed on the first inclined surface and the second inclined surface by spraying, and then a laser reflection film (3) is formed on the surface of the ink transition film.

5. The method for making stepped grooves on glass by using laser engraving method according to claim 4, wherein in step S5, the ink transitional film is washed by using ink net washing water, so that the structure of the laser reflection film (3) is damaged and removed.

6. The method for making the stepped groove on the glass by the laser engraving method as claimed in claim 5, wherein the ink transitional film is formed by spraying and solidifying a mixture of polyester acrylic resin, ethylene oxide, tolidine and agar.

7. The method for making the stepped groove on the glass by the laser engraving method as claimed in claim 5, wherein the ink screen washing water is prepared by mixing diethylene glycol monobutyl ether, propylene glycol methyl ether and triethanolamine.

8. The method for making a stepped groove on glass using a laser engraving method as claimed in claim 1, wherein the power of the laser head (2) in steps S2, S6 is set to 100W, i.e., a is 100.

9. The method for making a stepped groove on glass using a laser engraving method as claimed in claim 1, wherein the power of the laser head (2) in the step S4 is set to 120W, i.e., b-120.

Technical Field

The invention relates to the technical field of glass processing, in particular to a method for manufacturing a stepped groove on glass by using a laser engraving method.

Background

With the rapid development of laser technology in recent years, laser engraving machines have been widely used in the fields of advertisement decoration (such as engraving organic glass products, medals, laser-made plaque boards, laser engraving of bicolor boards, and engraving of other non-metallic boards), printing and packaging (such as laser engraving of rubber plates, laser engraving of printing rollers, laser cutting of paper products), leather and clothing (such as engraving of leather and surface patterns, and cutting of clothing cloth patterns), model (such as cutting of model boards), craft gift (such as laser engraving of bamboo slips, laser engraving of wood books, laser engraving of redwood, laser engraving of bicolor boards, engraving of box-shaped crafts, and laser engraving of ceramic), glass (such as manufacturing of light guide plates and frosted glass), and the like.

In the field of glass, due to the limitation of a linear propagation manner of a laser beam, a V-groove, a groove, and the like are generally manufactured on a glass surface by using a laser engraving method, however, it is difficult to manufacture a stepped groove, i.e., an inverted T-shaped groove, which is a problem to be solved.

Disclosure of Invention

Aiming at the problems, the invention provides a method for manufacturing a stepped groove on glass by using a laser engraving method, which is simple to operate and high in processing efficiency.

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

a method for manufacturing a stepped groove on glass by using a laser engraving method comprises the following steps:

s1 preparing a glass plate, fixing the laser head on a driving device with XZ axis transmission, and arranging the light outlet of the laser head downwards;

s2, presetting a first path of a laser head, starting the laser head, setting the power of the laser head to be aW, wherein a is more than or equal to 60, moving the laser head along the set first path through a driving device, engraving a groove on a glass plate surface by laser emitted downwards by the laser head, wherein the bottom of the groove is provided with a reflecting part, the reflecting part is provided with a first inclined surface and a second inclined surface, the included angle between the first inclined surface and the horizontal plane is 45 degrees, and the included angle between the second inclined surface and the horizontal plane is 135 degrees;

s3, manufacturing a laser reflection film on the upper sides of the first inclined plane and the second inclined plane to form a first reflection plane and a second reflection plane;

s4, setting the power of the laser head to be bW, b is larger than a and is larger than or equal to 60, starting the laser head, enabling the laser head to move along the first path preset in the step S2 through the driving device, converting the laser emitted downwards by the laser head into laser parallel to the horizontal plane through the reflection of the first reflecting surface and the second reflecting surface, and engraving a first inner groove and a second inner groove;

s5, removing the laser reflection film;

s6, presetting a second path of the laser head, starting the laser head, setting the power of the laser head to be aW, wherein a is more than or equal to 60, moving the laser head along the set second path through the driving device, and engraving and removing the reflecting part by the laser emitted downwards by the laser head to finish the manufacture of the stepped groove.

Specifically, in step S3, a laser reflection film is formed by magnetron sputtering coating.

Specifically, in step S3, the laser reflection film is a silver plating film or a gold plating film.

Specifically, in step S3, an ink transition film is first formed on the first inclined surface and the second inclined surface by spraying, and then a laser reflection film is formed on the surface of the ink transition film.

Specifically, in step S5, the ink transition film is washed with an ink screen washing water, and the laser reflection film structure is broken and removed.

Specifically, the ink transitional film is formed by spraying and solidifying a mixture of polyester acrylic resin, ethylene oxide, tolidine and agar.

Specifically, the ink screen washing water is prepared by mixing diethylene glycol monobutyl ether, propylene glycol methyl ether and triethanolamine.

Specifically, the power of the laser torch is set to 100W in steps S2 and S6, i.e., a is 100.

Specifically, in step S4, the power of the laser head is set to 120W, i.e., b is 120.

The invention has the beneficial effects that:

the method for manufacturing the stepped groove provided by the invention comprises the steps of firstly engraving a groove with a reflecting part on a glass surface by utilizing laser, then manufacturing laser reflecting films on two inclined surfaces of the reflecting part, and then converting downward laser into horizontal laser by utilizing the reflecting action of the laser reflecting films, so that an inner groove can be engraved, and the reflecting part is engraved and removed after the laser reflecting films are removed, so that the stepped groove is obtained, and the method is simple to operate and high in processing efficiency.

Drawings

FIG. 1 is a sectional view showing a glass plate according to the present invention.

Fig. 2 is a schematic structural diagram of step S2 in the present invention.

Fig. 3 is a schematic structural diagram of step S3 in the present invention.

Fig. 4 is a schematic structural diagram of the first inner tank manufactured in step S4 according to the present invention.

Fig. 5 is a schematic structural diagram illustrating the second inner groove formed in step S4 according to the present invention.

FIG. 6 is a coordinate simulation diagram of the movement of the laser head along the first path in steps S2 and S4 according to the present invention.

Fig. 7 is a schematic structural diagram of step S6 in the present invention.

Fig. 8 is a coordinate simulation diagram of the movement of the laser head along the second path in step S6 according to the present invention.

FIG. 9 is a schematic view showing the structure of a glass plate with a stepped groove obtained in example 1.

The reference signs are: glass plate 1, recess 11, reflection part 12, first inside groove 13, second inside groove 14, ladder groove 15, laser head 2, laser reflection membrane 3.

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.