CN117902820A - Cover plate glass manufacturing process, special-purpose clearance screen plate and cover plate glass - Google Patents
Cover plate glass manufacturing process, special-purpose clearance screen plate and cover plate glass Download PDFInfo
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- CN117902820A CN117902820A CN202410019521.5A CN202410019521A CN117902820A CN 117902820 A CN117902820 A CN 117902820A CN 202410019521 A CN202410019521 A CN 202410019521A CN 117902820 A CN117902820 A CN 117902820A
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- glass
- glue
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- plate glass
- screen
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- 239000005357 flat glass Substances 0.000 title claims abstract description 84
- 238000005816 glass manufacturing process Methods 0.000 title claims abstract description 19
- 239000003292 glue Substances 0.000 claims abstract description 90
- 239000011521 glass Substances 0.000 claims abstract description 48
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 18
- 238000007650 screen-printing Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 239000006059 cover glass Substances 0.000 claims description 28
- 238000005496 tempering Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 229920000728 polyester Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000003801 milling Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 10
- 238000007688 edging Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 241000255969 Pieris brassicae Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
The invention discloses a cover plate glass manufacturing process, a special air-avoiding screen plate and cover plate glass, wherein the manufacturing process comprises the following steps: providing a special air-avoiding screen plate, wherein the special air-avoiding screen plate has the same size as the large plate glass, and comprises an air-avoiding pattern, and the air-avoiding pattern comprises a hollowed-out area and a filling area; carrying out hollowed-out silk-screen UV glue on the large-plate glass by utilizing the special-purpose space-avoiding screen plate to obtain first large-plate glass; removing the special space-avoiding screen plate and cutting the first large glass plate to obtain a plurality of small glass plates; and removing the UV glue on the small glass by using the UV glue cleaning liquid. The back of the large plate glass is protected by the aid of the special manufacturing clearance screen plate, and after the large plate glass is cut into small pieces, the screen printing UV glue is not needed again, so that the steps of coating the UV glue and cleaning the UV glue are reduced, the working efficiency is improved, and the consumption of the UV glue is reduced.
Description
Technical Field
The invention relates to the technical field of glass, in particular to a cover plate glass manufacturing process, a special air-avoiding screen plate and cover plate glass.
Background
The large white board process of the traditional cover plate glass comprises the following steps: cutting a large piece of large glass into small pieces of glass, and then adopting a CNC engraving and milling machine to carry out edge processing, such as precise punching, edging, chamfering and special-shaped processing on various glass panels. The chamfer and the dimension can meet the requirements after the edge is processed.
However, during the cutting and CNC engraving and milling process, the back surface of the glass is easily scratched due to the fact that the table surface has a lot of glass fragments and foreign matters. In order to avoid being scratched, the prior art adopts a mode of repeatedly coating UV glue, so that the efficiency is low, and the consumption of the UV glue is increased.
Disclosure of Invention
To solve the technical problems: provides a cover plate glass manufacturing process, a special anti-empty screen plate and cover plate glass.
In a first aspect, a cover glass manufacturing process for cutting large sheet glass includes:
Step 100, providing a special empty-avoiding screen plate, wherein the size of the special empty-avoiding screen plate is the same as that of the large-plate glass, and the special empty-avoiding screen plate comprises an empty-avoiding pattern, and the empty-avoiding pattern comprises a hollowed-out area and a filling area;
Step 200, performing hollow screen printing UV glue on the large plate glass by using the special empty-keeping screen plate to obtain first large plate glass;
Step 300, removing the special empty-keeping screen plate and cutting the first large plate glass to obtain a plurality of small pieces of glass;
step 400, removing UV glue on the small glass by using a UV glue cleaning solution;
The filling area is used for shielding the corresponding large plate glass area through filling.
In combination with the cover glass manufacturing process according to the first aspect of the present invention, in a first possible implementation manner, between the step 300 and the step 400, the method includes:
and 500, tempering the small glass by using tempering liquid.
With reference to the first possible implementation manner of the first aspect of the present invention, in a second possible implementation manner, between the step 500 and the step 400 includes:
and 600, processing the edges of the small glass by using a CNC engraving and milling machine.
With reference to the second possible implementation manner of the first aspect of the present invention, in a third possible implementation manner, the step 200 includes:
step 210, shielding the special empty-keeping screen plate on the back surface of the large plate glass;
Step 220, coating UV glue on the back surface of the large plate glass through the special space-avoiding screen plate;
and 230, curing the UV glue by ultraviolet irradiation.
With reference to the third possible implementation manner of the first aspect of the present invention, in a fourth possible implementation manner, the step 400 includes:
Step 410, immersing the small glass pieces in a UV glue cleaning solution;
step 420, controlling the temperature at 60+/-5 ℃ to enable the UV glue to chemically react with the UV glue cleaning liquid so as to remove the UV glue;
Wherein the UV glue cleaning liquid is sodium hydroxide solution.
In a fifth possible implementation manner of the cover glass manufacturing process according to the first aspect of the present invention, the dedicated air-avoidance screen is made of polyester material.
In a second aspect, a special keep-away screen is further provided, which is used for performing hollow screen printing on the large plate glass in the first aspect, wherein the special keep-away screen has the same size as the large plate glass, and comprises a keep-away pattern, and the keep-away pattern comprises a hollow area and a filling area;
the hollowed-out areas are used for exposing the corresponding large plate glass areas when the UV glue is silk-screened;
And the filling area is used for shielding the corresponding large plate glass area when the UV glue is screen printed.
In combination with the special-purpose air-avoidance screen according to the second aspect, in a first possible implementation manner, the special-purpose air-avoidance screen is made of a polyester material.
In a third aspect, a cover glass is further provided, and the manufacturing process in the first aspect is used for cutting the large-plate glass to obtain the cover glass;
wherein, cut big board glass includes:
carrying out hollowed-out silk-screen UV glue on the large plate glass by using a special-purpose space-avoiding screen plate to obtain first large plate glass;
removing the special clearance screen plate and cutting the first large plate glass to obtain a plurality of small piece cover plate glass;
Tempering the small glass by using tempering liquid;
Removing UV glue on the small piece of cover plate glass by using UV glue cleaning liquid;
The filling area is used for shielding the corresponding large plate glass area through filling.
With reference to the cover glass of the third aspect, in a first possible implementation manner, the dedicated air-avoidance screen is made of a polyester material.
According to the manufacturing process of the cover plate glass, the special air-avoiding screen plate and the cover plate glass, the air-avoiding screen printing UV glue is arranged on the back surface of the large plate glass through the manufacturing of the special air-avoiding screen plate for protection, the screen printing UV glue is not needed to be carried out again after the large plate glass is cut into small pieces, the steps of coating the UV glue and cleaning the UV glue are reduced, the working efficiency is improved, and the use of the primary UV glue is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIGS. 1 (a) -1 (c) are schematic diagrams of the conventional process flow for manufacturing small glass sheets;
FIGS. 2 (a) -2 (e) are schematic diagrams of the prior art process flow for manufacturing a small glass piece protected by silk-screen UV glue;
FIG. 3 is a schematic diagram of a special-purpose space-avoiding net plate structure according to the present invention;
FIGS. 4 (a) -4 (c) are schematic diagrams of the process flow for manufacturing the cover glass of the invention;
FIG. 5 is a first schematic view of a process for making a cover glass according to the present invention;
FIG. 6 is a second schematic diagram of the process for making cover glass according to the present invention;
FIG. 7 is a third schematic view of a process for manufacturing a cover glass according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Based on the embodiments of the present invention, other embodiments that may be obtained by those of ordinary skill in the art without undue burden are within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In order to avoid being scratched, the prior art adopts a mode of repeatedly coating UV glue, so that the efficiency is low, and the consumption of the UV glue is increased.
Example 1
The technical scheme adopted for solving the technical problems is as follows: the manufacturing process of the cover plate glass comprises the following steps:
A cover glass manufacturing process, as shown in fig. 4 (a) -4 (c), and fig. 4 (a) -4 (c) are schematic diagrams of a cover glass manufacturing process flow of the invention; for cutting the large glass plate 20, fig. 5 is a first schematic view of the process for manufacturing the cover glass plate of the present invention shown in fig. 5; comprising the following steps:
step 100, providing a special-purpose space-avoiding screen 10, wherein the special-purpose space-avoiding screen 10 has the same size as the large glass plate 20, and comprises a space-avoiding pattern comprising a hollow area 11 and a filling area 12.
In this embodiment, as shown in fig. 3, fig. 3 is a schematic structural diagram of a special-purpose air-avoidance screen 10 according to the present invention; firstly, a special air-avoidance screen 10 is manufactured, and the special air-avoidance screen 10 is used for carrying out hollowed-out screen printing on the large plate glass 20 in the embodiment, wherein the special air-avoidance screen 10 and the large plate glass 20 have the same size and comprise air-avoidance patterns, and the air-avoidance patterns comprise hollowed-out areas 11 and filling areas 12; the hollowed-out area 11 is used for exposing the corresponding large glass 20 area when the UV glue 30 is screen printed; the filling area 12 is used for shielding the corresponding large plate glass 20 area when the UV glue 30 is screen printed.
Preferably, the special-purpose air-avoidance net plate 10 is made of polyester material. The polyester net has the characteristics of high strength, small deformation, good corrosion resistance, good wear resistance and long service life, and is very suitable for silk screen printing of the UV glue 30.
The void-free pattern is arranged corresponding to the small pieces of glass 21 in the large plate of glass 20, for example, each small piece of glass 21 is provided with 3 round toughened areas 211 which are spaced from each other, when the void-free pattern is manufactured, the filling areas 12 corresponding to the round toughened areas 211 are arranged, and the hollowed-out areas 11 can be communicated together for the whole large plate of glass 20.
And 200, performing hollow screen printing on the large plate glass 20 by using the special empty-keeping screen plate 10 to obtain the first large plate glass 20.
Preferably, as shown in fig. 6, fig. 6 is a second schematic diagram of a cover glass manufacturing process according to the present invention, and step 200 includes: step 210, shielding the special empty-keeping screen 10 on the back of the large glass plate 20, as shown in fig. 4 (a); step 220, coating UV glue 30 on the back surface of the large plate glass 20 through the special space-avoiding screen plate 10; step 230, curing the UV glue 30 by ultraviolet light.
When the UV glue 30 is coated, the UV glue 30 is silk-screened on the back surface of the large plate glass 20 through the hollow area 11, and the back surface of the cover plate glass corresponding to the filling area 12 is not silk-screened with the UV glue 30 due to shielding, and the UV glue 30 is solidified by ultraviolet light after the silk-screening of the UV glue 30, so that the back surface of the cover plate glass is protected.
The UV glue 30 is a shadowless glue, also called photosensitive glue or ultraviolet light curing glue, and the shadowless glue is an adhesive which can be cured only by ultraviolet light irradiation.
Step 300, removing the special empty-keeping screen 10 and cutting the first large glass plate 20 to obtain a plurality of small glass plates 21, as shown in fig. 4 (b).
Step 400, removing the UV gel 30 on the small piece of glass 21 by using the UV gel 30 cleaning solution, as shown in FIG. 4 (c); wherein the filling area 12 is used for shielding the corresponding large glass 20 area by filling.
Between step 300 and step 400, it includes:
And 500, tempering the small glass 21 by using tempering liquid. After the small pieces of glass 21 are cut, each small piece of glass 21 is subjected to tempering treatment, and the back surface of the cover plate glass without the silk-screen UV glue 30 can react with tempering liquid for tempering when being tempered, and other places cannot be tempered.
In a preferred embodiment, between step 500 and step 400 comprises: step 600, processing the edges of the small glass 21 by using a CNC engraving and milling machine. After the tempering treatment of each small piece of glass 21, the edges of the small pieces of glass are processed, and processes such as precise punching, edging, chamfering, special-shaped processing and the like are performed.
In the prior art, as shown in fig. 2 (a) -2 (e), fig. 2 (a) -2 (e) are schematic diagrams of the conventional process flow for manufacturing the small glass 21 protected by the silk-screen UV glue 30; the method comprises the steps of firstly performing full screen printing on a large-plate glass 20 substrate to protect the UV glue 30, then cutting, removing the UV glue 30 on the whole surface of the small-plate glass 21 after cutting, performing screen printing again on the UV glue 30 with a gap, tempering, and removing the UV glue 30 at the place with the gap because the UV glue 30 does not react with tempering liquid chemically, and removing the UV glue 30 at the place without tempering, so that the effect of local tempering is achieved. Therefore, the gluing is carried out twice, the efficiency is lower, and the cost is higher.
Unlike the prior art, in this embodiment, after tempering each small piece of glass 21, the UV gel 30 is finally cleaned. The first removal of the UV glue 30 and the recoating of the UV glue 30 are omitted, and the dedicated UV glue 30 for the vacuum screen printing is directly carried out on the large plate glass 20. The special air-avoiding screen plate 10 is manufactured to avoid the air-avoiding screen printing UV glue 30 on the back surface of the large-plate glass 20, protection is carried out, the screen printing UV glue 30 is not needed again after the large-plate glass is cut into small pieces, the steps of coating the UV glue 30 and cleaning the UV glue 30 are reduced, the working efficiency is improved, and the use of the UV glue 30 is reduced once.
Preferably, as shown in fig. 7, fig. 7 is a third schematic diagram of a cover glass manufacturing process according to the present invention, and step 400 includes: step 410, immersing the small glass pieces 21 in the UV glue 30 cleaning solution; step 420, controlling the temperature at 60+/-5 ℃ to enable the UV glue 30 to chemically react with the UV glue 30 cleaning liquid so as to remove the UV glue 30; wherein the UV gel 30 cleaning solution is sodium hydroxide solution.
Example 2
A cover glass, wherein the manufacturing process of the first aspect is used for cutting the large plate glass 20 to obtain the cover glass;
wherein cutting the large sheet glass 20 includes:
carrying out hollowed-out silk-screen printing on the large plate glass 20 by using the special-purpose space-avoiding screen plate 10 to obtain a first large plate glass 20;
removing the special empty-keeping screen plate 10 and cutting the first large plate glass 20 to obtain a plurality of small piece cover plate glass;
Tempering the small glass 21 by using tempering liquid;
removing the UV glue 30 on the small piece of cover glass by using a UV glue 30 cleaning solution;
wherein the filling area 12 is used for shielding the corresponding large glass 20 area by filling.
In combination with the cover glass of the third aspect, in a first possible embodiment, the dedicated air-avoidance screen 10 is made of polyester material.
According to the manufacturing process of the cover plate glass, the special air-avoiding screen plate 10 and the cover plate glass, the air-avoiding screen printing UV glue 30 is manufactured on the back surface of the large plate glass 20 through the manufacturing of the special air-avoiding screen plate 10 to protect, the screen printing UV glue 30 is not needed to be carried out again after the small plates are cut, the steps of coating the UV glue 30 and cleaning the UV glue 30 are reduced, the working efficiency is improved, and the use of the UV glue 30 is reduced.
The foregoing is only illustrative of the present invention and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.
Claims (10)
1. A cover glass manufacturing process for cutting large plate glass, which is characterized by comprising the following steps:
Step 100, providing a special empty-avoiding screen plate, wherein the size of the special empty-avoiding screen plate is the same as that of the large-plate glass, and the special empty-avoiding screen plate comprises an empty-avoiding pattern, and the empty-avoiding pattern comprises a hollowed-out area and a filling area;
Step 200, performing hollow screen printing UV glue on the large plate glass by using the special empty-keeping screen plate to obtain first large plate glass;
Step 300, removing the special empty-keeping screen plate and cutting the first large plate glass to obtain a plurality of small pieces of glass;
step 400, removing UV glue on the small glass by using a UV glue cleaning solution;
The filling area is used for shielding the corresponding large plate glass area through filling.
2. The cover glass manufacturing process according to claim 1, wherein between the step 300 and the step 400, comprising:
and 500, tempering the small glass by using tempering liquid.
3. The cover glass manufacturing process according to claim 2, wherein between the step 500 and the step 400, comprising:
and 600, processing the edges of the small glass by using a CNC engraving and milling machine.
4. A cover glass manufacturing process according to claim 3, wherein step 200 comprises:
step 210, shielding the special empty-keeping screen plate on the back surface of the large plate glass;
Step 220, coating UV glue on the back surface of the large plate glass through the special space-avoiding screen plate;
and 230, curing the UV glue by ultraviolet irradiation.
5. The cover glass manufacturing process according to claim 4, wherein the step 400 comprises:
Step 410, immersing the small glass pieces in a UV glue cleaning solution;
step 420, controlling the temperature at 60+/-5 ℃ to enable the UV glue to chemically react with the UV glue cleaning liquid so as to remove the UV glue;
Wherein the UV glue cleaning liquid is sodium hydroxide solution.
6. The cover glass manufacturing process according to claim 5, wherein the special-purpose air-avoidance screen is made of polyester material.
7. A special air-avoiding screen plate for the cover plate glass manufacturing process of any one of claims 1 to 6 to carry out hollow screen printing of UV glue on large plate glass, wherein the special air-avoiding screen plate has the same size as the large plate glass, and is characterized by comprising an air-avoiding pattern, and the air-avoiding pattern comprises a hollow area and a filling area;
the hollowed-out areas are used for exposing the corresponding large plate glass areas when the UV glue is silk-screened;
And the filling area is used for shielding the corresponding large plate glass area when the UV glue is screen printed.
8. The customized web of claim 7, wherein the customized web is a polyester material.
9. A cover glass, the manufacturing process of any one of claims 1-6 being used to cut a large sheet of glass to obtain the cover glass;
The method is characterized in that the cutting of the large plate glass comprises the following steps:
carrying out hollowed-out silk-screen UV glue on the large plate glass by using a special-purpose space-avoiding screen plate to obtain first large plate glass;
removing the special clearance screen plate and cutting the first large plate glass to obtain a plurality of small piece cover plate glass;
Tempering the small glass by using tempering liquid;
Removing UV glue on the small piece of cover plate glass by using UV glue cleaning liquid;
The filling area is used for shielding the corresponding large plate glass area through filling.
10. The cover glass of claim 9, wherein the customized keep-out screen is a polyester material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410019521.5A CN117902820A (en) | 2024-01-05 | 2024-01-05 | Cover plate glass manufacturing process, special-purpose clearance screen plate and cover plate glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410019521.5A CN117902820A (en) | 2024-01-05 | 2024-01-05 | Cover plate glass manufacturing process, special-purpose clearance screen plate and cover plate glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117902820A true CN117902820A (en) | 2024-04-19 |
Family
ID=90693305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410019521.5A Pending CN117902820A (en) | 2024-01-05 | 2024-01-05 | Cover plate glass manufacturing process, special-purpose clearance screen plate and cover plate glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117902820A (en) |
-
2024
- 2024-01-05 CN CN202410019521.5A patent/CN117902820A/en active Pending
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