阅读说明：本技术 一种车载显示曲面玻璃的丝印方法 (Screen printing method for vehicle-mounted display curved glass ) 是由 陈布东 于 2020-12-08 设计创作，主要内容包括：本发明涉及丝网印刷技术领域,尤其为一种车载显示曲面玻璃的丝印方法,包括以下工艺方法步骤：S1,玻璃CNC成型,确认客户图纸是否可以生产,并确认流程及样品全线跟踪；S2,高温陶瓷油墨印刷；S3,丝印后固化；S4,丝印后玻璃热弯；S5,化钢：化钢前需检测两次,一次外观和尺寸,钢化后有应力释放延展曲变,应该再次进行外观和翘曲变形监测；S6,清洗：采用超声波清洗+玻璃清洗剂；S7,包装；通过该丝印工艺方法是在平面玻璃上丝印后在进行性热弯曲面成型,使曲面玻璃丝印工艺简单,成本低,并且良品率高,整体丝印工艺在丝印成型和热弯成型过程中只产生少量废气,有效的降低环境污染。(The invention relates to the technical field of screen printing, in particular to a screen printing method for vehicle-mounted curved display glass, which comprises the following process steps: s1, carrying out glass CNC molding, confirming whether the customer drawing can be produced, and confirming the flow and the sample full-line tracking; s2, printing the high-temperature ceramic ink; s3, curing after silk-screen printing; s4, hot bending the glass after silk screen printing; s5, steel transformation: the appearance and the size are detected twice before steel melting, the stress is released after tempering, the elongation and the distortion are released, and the appearance and the distortion deformation are monitored again; s6, cleaning: ultrasonic cleaning and glass cleaning agent are adopted; s7, packaging; the screen printing process method is used for forming the thermal bending surface after screen printing on the plane glass, so that the screen printing process of the curved glass is simple, the cost is low, the yield is high, the whole screen printing process only generates a small amount of waste gas in the screen printing forming and hot bending forming processes, and the environmental pollution is effectively reduced.)

1. A silk-screen method for vehicle-mounted display curved glass is characterized by comprising the following steps: the method comprises the following process steps:

s1, carrying out glass CNC molding, confirming whether the customer drawing can be produced, and confirming the flow and the sample full-line tracking;

s2, printing the high-temperature ceramic ink;

s3, curing after silk-screen printing;

s4, hot bending the glass after silk screen printing;

s5, steel transformation: the appearance and the size are detected twice before steel melting, the stress is released after tempering, the elongation and the distortion are released, and the appearance and the distortion deformation are monitored again;

s6, cleaning: ultrasonic cleaning and glass cleaning agent are adopted;

and S7, packaging.

2. The screen printing method for the vehicle-mounted curved display glass according to claim 1, wherein the screen printing method comprises the following steps: the S1 CNC molding of glass comprises CNC cutting: cutting the glass made of the 3D curved surface material, and cutting the glass substrate into a rough blank by CNC (computer numerical control); CNC engraving glass (edging): CNC finishing impression glass adopts the finishing impression machine emery wheel groove to carry out the edging to blank glass, gets rid of the surplus to carry out the beveling and drilling with the glass raw materials through the drill bit.

3. The screen printing method for the vehicle-mounted curved display glass according to claim 1, wherein the screen printing method comprises the following steps: the S2 high-temperature ceramic ink printing: through making the half tone with product LOGO character, transfer printing ink, assist with positioning jig, adopt glass screen printing machine to seal the character on the product face.

4. The screen printing method for the vehicle-mounted curved display glass according to claim 1, wherein the screen printing method comprises the following steps: and (3) solidifying after S3 silk-screen printing: semi-toughening by a physical toughening furnace.

5. The screen printing method for the vehicle-mounted curved display glass according to claim 1, wherein the screen printing method comprises the following steps: and (3) hot bending the glass after S4 silk-screen printing: and placing the printed glass in a mould, placing the mould in a hot bending machine, preheating, forming, shaping and cooling, forming the glass into curved glass in the mould, and hot bending the glass.

6. The screen printing method for the vehicle-mounted curved display glass according to claim 1, wherein the screen printing method comprises the following steps: the S5 steel: high-purity potassium nitrate solution and matched catalyst are mixed, and high-temperature tempering treatment at 450 ℃ is generally carried out for 4-6 hours.

7. The screen printing method for the vehicle-mounted curved display glass according to claim 1, wherein the screen printing method comprises the following steps: and (3) packaging by the S7: and (5) inspecting the finished product according to the finished product inspection chart, and if the finished product is qualified, packaging and warehousing.

Technical Field

The invention relates to the technical field of screen printing, in particular to a screen printing method for vehicle-mounted display curved glass.

Background

The automobile market trend is increasingly clear, the development of automobile related industries is also driven, particularly, the automobile related industries are more prominent on vehicle-mounted display and are influenced by intellectualization, networking and digitization, display module manufacturers can follow the trend with time and adjust the materials, the process and the like, and partial people consider that the display screen can lead the next revolution of the automobile, and the automobile related industries are not impossible from the level of consumers. The 3D cover plate glass is more humanized for the design of the automobile central control screen, the vehicle-mounted universal squareness in the past is avoided, and the whole feeling of stiffness and oppression is brought to people. And 3D cover plate glass can carry out the bending design, has had great promotion in the sense to automotive interior atmosphere design on the whole, and the science and technology feels ten sufficient! Present car is as the big terminal of people's intelligent life and official working, lets each big display module group firm more stress on the interior trim highlight black science and technology and feels, has consequently also driven the trend of jumbo size and 3D glass apron.

The prior art comprises the following steps: the curved glass screen printing method comprises the steps of CNC forming, hot bending, steel melting, oil injection and laser or yellow light, cleaning and packaging, wherein the yellow light cost is high in the curved glass screen printing method, a lot of waste oil and waste water can be generated in the production process, the environmental pollution is high, a lot of waste oil and waste water can be generated in the oil injection and laser, the environmental pollution is high, the process is complex, and the yield is low, so that the problem is improved by the screen printing method for vehicle-mounted curved glass display.

Disclosure of Invention

The invention aims to provide a screen printing method for vehicle-mounted display curved glass, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a silk-screen method for vehicle-mounted display curved glass comprises the following process steps:

s1, carrying out glass CNC molding, confirming whether the customer drawing can be produced, and confirming the flow and the sample full-line tracking;

s2, printing the high-temperature ceramic ink;

s3, curing after silk-screen printing;

s4, hot bending the glass after silk screen printing;

s5, steel transformation: the appearance and the size are detected twice before steel melting, the stress is released after tempering, the elongation and the distortion are released, and the appearance and the distortion deformation are monitored again;

s6, cleaning: ultrasonic cleaning and glass cleaning agent are adopted;

and S7, packaging.

Preferably, the S1 CNC forming of glass comprises CNC cutting: cutting the glass made of the 3D curved surface material, and cutting the glass substrate into a rough blank by CNC (computer numerical control); CNC engraving glass (edging): the CNC engraving and milling glass is that the blank glass is edged by adopting a grinding wheel groove of an engraving and milling machine, the allowance is removed, and the glass raw material is chamfered and drilled by a drill bit; glass cleaning is generally carried out after edging, and ultrasonic cleaning and glass cleaning agents are generally adopted.

Preferably, the S2 high-temperature ceramic ink printing: through making the half tone with product LOGO character, transfer printing ink, assist with positioning jig, adopt glass screen printing machine to seal the character on the product face.

Preferably, the S3 silk screen post-curing: semi-toughening by a physical toughening furnace.

Preferably, the glass is hot-bent after the S4 silk-screen printing: after the glass with the carved appearance and the carved hole is placed in a graphite mould for silk-screen printing, the mould is placed in a hot bending machine, and the glass is preheated, formed, shaped and cooled to be formed into curved glass in the mould, and the glass is subjected to hot bending.

Preferably, the steel for the S5 transformation: high-purity potassium nitrate solution and matched catalyst are mixed, and high-temperature tempering treatment at 450 ℃ is generally carried out for 4-6 hours.

Preferably, the S7 package: and (5) inspecting the finished product according to the finished product inspection chart, and if the finished product is qualified, packaging and warehousing.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the screen printing process method is used for forming the thermal bending surface after screen printing on the plane glass, so that the screen printing process of the curved glass is simple, the cost is low, the yield is high, the whole screen printing process only generates a small amount of waste gas in the screen printing and hot bending forming processes, and the environmental pollution is effectively reduced.

Drawings

FIG. 1 is an overall process flow diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution:

a silk-screen method for vehicle-mounted display curved glass comprises the following process steps:

s1, carrying out glass CNC molding, confirming whether the customer drawing can be produced, and confirming the flow and the sample full-line tracking;

s2, printing the high-temperature ceramic ink;

s3, curing after silk-screen printing;

s4, hot bending the glass after silk screen printing;

s5, steel transformation: the appearance and the size are detected twice before steel melting, the stress is released after tempering, the elongation and the distortion are released, and the appearance and the distortion deformation are monitored again;

s6, cleaning: ultrasonic cleaning and glass cleaning agent are adopted;

and S7, packaging.

The S1 CNC molding of glass comprises CNC cutting: cutting the glass made of the 3D curved surface material, and cutting the glass substrate into a rough blank by CNC (computer numerical control); CNC engraving glass (edging): the CNC engraving and milling glass is that the blank glass is edged by adopting a grinding wheel groove of an engraving and milling machine, the allowance is removed, and the glass raw material is chamfered and drilled by a drill bit; the glass cleaning generally adopts ultrasonic cleaning and glass cleaning agent.

The S2 high-temperature ceramic ink printing: through making the half tone with product LOGO character, transfer printing ink, assist with positioning jig, adopt glass screen printing machine to seal the character on the product face.

And (3) solidifying after S3 silk-screen printing: semi-toughening by a physical toughening furnace.

And (3) hot bending the glass after S4 silk-screen printing: after the glass with the carved appearance and the carved hole is placed in a graphite mould for silk-screen printing, the mould is placed in a hot bending machine, and the glass is preheated, formed, shaped and cooled to be formed into curved glass in the mould, and the glass is subjected to hot bending.

The S5 steel: high-purity potassium nitrate solution and matched catalyst are mixed, and high-temperature tempering treatment at 450 ℃ is generally carried out for 4-6 hours.

And (3) packaging by the S7: and (5) inspecting the finished product according to the finished product inspection chart, and if the finished product is qualified, packaging and warehousing.

The screen printing process method is used for forming the thermal bending surface after screen printing on the plane glass, so that the screen printing process of the curved glass is simple, the cost is low, the yield is high, the whole screen printing process only generates a small amount of waste gas in the screen printing forming and hot bending forming processes, and the environmental pollution is effectively reduced.

Example (b): CNC forming of glass, namely confirming whether a customer drawing can be produced, confirming the flow and the whole-line tracking of a sample, cutting the glass made of the 3D curved surface material through CNC, and CNC cutting the glass substrate into a rough blank; then CNC engraving glass (edging): the CNC carved glass is obtained by edging blank glass by adopting a grinding wheel groove of a carving machine, removing allowance, chamfering and drilling glass raw materials by a drill bit, and then cleaning by ultrasonic waves and a glass cleaning agent; high-temperature ceramic ink printing: through making the half tone with product LOGO character, transfer printing ink, assist with positioning jig, adopt glass screen printing machine to seal the character on the product face, solidification after the silk screen printing: semi-toughening by using a physical toughening furnace; hot bending of the glass after silk screen printing: putting the silk-screen glass into a mould, putting the mould into a hot bending machine, preheating, forming, shaping and cooling the mould, forming the glass into curved glass in the mould, and hot bending the glass; the appearance and the size are detected twice before steel melting, the stress is released after tempering, the elongation and the distortion are released, and the appearance and the distortion deformation are monitored again; high-purity potassium nitrate solution and matched catalyst are mixed, high-temperature tempering treatment at 450 ℃ is generally carried out for 4-6 hours, and the capabilities of scratch resistance, impact resistance and the like of glass are improved; the curved glass after tempering is cleaned, the finished product is checked according to a finished product inspection chart, and if the finished product is qualified, the curved glass is packaged and stored in a warehouse, the screen printing process method is used for forming the thermal bending surface after screen printing is carried out on the plane glass, so that the screen printing process of the curved glass is simple, the cost is low, the yield is high, only a small amount of waste gas is generated in the screen printing forming and thermal bending forming processes by the whole screen printing process, and the environmental pollution is effectively reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.