CN214068198U

CN214068198U - Vacuum laminating machine for screen glass

Info

Publication number: CN214068198U
Application number: CN202120176296.8U
Authority: CN
Inventors: 王杰然; 邹开明; 罗琰
Original assignee: Fujian Feiyang Optronics Co ltd
Current assignee: Fujian Feiyang Optronics Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-08-27
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a screen glass vacuum rigging machine, including the vacuum box, be provided with laminating platform and clamp plate in the vacuum box, laminating bench is provided with the cushion and sets up in the lower heating plate of cushion upper surface, the clamp plate sets up in the top of laminating platform, a glass panel pressfitting that is used for having the screen of waiting to laminate and covers and have the optical cement, the clamp plate lower surface corresponds down the heating block and is provided with the heating plate, when glass panel and screen pressfitting, lower heating plate and last heating plate heat glass panel and screen simultaneously with from both sides to optical cement heating. The utility model discloses set up the cushion, when the clamp plate pressfitting, the cushion is compressed to a certain extent, gives glass panels certain elastic buffering, makes the air fully extrude and discharges, and the elasticity of cushion restores force simultaneously makes the screen of treating the laminating can hug closely in covering the glass panels upper surface that has the optical cement, and upper and lower heating plate can carry out two-sided heating to the optical cement simultaneously, is heated more evenly and avoids appearing the flaw.

Description

Vacuum laminating machine for screen glass

Technical Field

The utility model relates to a screen glass handles technical field, specifically is a screen glass vacuum rigging machine.

Background

With the development of times and the improvement of science and technology, digital electronic products become an indispensable important product in the life of people; most of the products become necessary tools for people to live and work in daily life; such as a cell phone, tablet, notebook, etc. With the market trend, consumers have higher and higher requirements on the performance and quality of these products, and among them, the touch display screen is one of the key elements that electronic products such as mobile phones and tablets obtain the favor of consumers as an important medium for human-computer interaction. The full laminating equipment is not exceptional to become the most important equipment for the lamination of the rear section of the production process of the capacitive touch screen, and the traditional laminating machine has the advantages that the glass panel and the screen are in rigid contact in the laminating process, so that air exists when the glass panel and the screen are laminated, air bubbles are easily generated, the laminating is not tight, the pasting is not firm, and the laminating quality is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screen glass vacuum rigging machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screen glass vacuum rigging machine, includes the vacuum box, be provided with laminating platform and clamp plate in the vacuum box, the laminating bench be provided with be used for bearing the glass panels's that covers there is the optical cement cushion and set up in the lower heating plate of elastic cushion upper surface, the clamp plate set up in the top of laminating platform for the screen that will wait to laminate with cover the glass panels pressfitting that has the optical cement, the clamp plate lower surface corresponds the lower heating plate is provided with the heating plate, glass panels with when the screen pressfitting, the lower heating plate with it is right simultaneously to go up the heating plate glass panels with the screen heats from both sides simultaneously and heats the optical cement.

Furthermore, a lifting assembly used for driving the pressing plate to lift is further arranged in the vacuum box body.

Furthermore, the laminating platform is of a frame structure, the elastic pad is filled in the hollow part of the frame, and the height of the elastic pad is slightly higher than that of the frame.

Furthermore, a connecting pipe is arranged on one side of the upper surface of the vacuum box body, one end of the connecting pipe is connected with a vacuum pump, and one end of the vacuum pump, far away from the connecting pipe, is fixedly connected with an air outlet pipe.

Furthermore, a movable door is arranged on one side of the vacuum box body.

Further, the upper and/or lower heating plates include PTC ceramic heating plates.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses be provided with the cushion at the laminating bench, when the vacuum chamber is internal through the clamp plate pressfitting, the cushion is compressed to a certain degree, gives the certain elastic buffer of glass panels, makes pressfitting power crescent, thereby makes the laminating between glass apron and the screen have certain pressure adaptation process, and then makes the air by little grow in-process abundant extrusion discharge of pressure, and the elastic restoring force of cushion makes the screen of treating the laminating can hug closely in the glass panels upper surface that covers there is the optical cement simultaneously, lower heating plate with it is right simultaneously to go up the heating plate glass panels with the screen heats with heat the optical cement from both sides simultaneously, can carry out two-sided heating simultaneously to the optical cement like this, is heated more evenly, has reduced the production of bubble, avoids appearing the flaw, and the yields is higher, is worth promoting very much.

2. Set up the laminating platform and be the frame structure, fill the cushion in the hollow part of frame, just the cushion highly be slightly higher than the height of frame, the cushion is only compressed to the contact surface of clamp plate and laminating platform frame like this, avoids the excessive compression of cushion, arouses the glass panels fracture.

Drawings

FIG. 1 is a schematic structural view of a vacuum laminating machine for screen glass according to the present invention;

FIG. 2 is a schematic view of the structure of the vacuum laminating machine for screen glass of the present invention;

in the figure, 100-a vacuum box body, 101-a connecting pipe, 102-a vacuum pump, 103-an air outlet pipe, 1-a joint table, 11-an elastic cushion, 12-a lower heating plate, 2-a pressing plate, 21-an upper heating plate and 3-a lifting assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, this embodiment provides a vacuum laminating machine for screen glass, which includes a vacuum box 100, a connecting pipe 101 is disposed on one side of the upper surface of the vacuum box 100, one end of the connecting pipe 101 is connected with a vacuum pump 102, one end of the vacuum pump 102 far away from the connecting pipe 101 is fixedly connected with an air outlet pipe 103, air in the vacuum box is pumped out to the outside through the vacuum pump 102, a movable door (omitted in the figure) is disposed on one side of the vacuum box 100, so as to place a screen to be laminated, a glass panel coated with optical cement and a pressed screen glass finished product, the optical cement adopts OCA cement, the OCA cement is a special adhesive for transparent optical elements, and has the characteristics of being colorless and transparent, light transmittance exceeding 90%, cementing strength, being capable of curing at room temperature or middle temperature, and reducing curing shrinkage, and is widely applied in the field of electronic device production, the vacuum box body 100 is internally provided with a laminating table 1, a pressing plate 2 and a lifting component 3 for driving the pressing plate 2 to lift, the laminating table 1 is provided with an elastic pad 11 for bearing a glass panel covered with optical cement and a lower heating plate 12 arranged on the upper surface of the elastic pad 11, the elastic pad 11 can adopt silica gel, the pressing plate 2 is arranged above the laminating table 1 and is used for laminating a screen to be laminated with the glass panel covered with the optical cement, the lower surface of the pressing plate 2 is provided with an upper heating plate 21 corresponding to the lower heating block 12, in the embodiment, the upper heating plate and the lower heating plate are PTC ceramic heating plates which have the advantages of constant temperature heating, high heat conversion rate, small influence of power supply voltage and long service life, during heating, the power supply is switched on through an electrode plate, the laminating table 1 is of a frame structure, the elastic pad 11 is filled in the hollow part of the frame body, and the height of the elastic pad 11 is slightly higher than that of the frame body, because the elastic pad 11 is supported by the frame body, the elastic pad 11 is compressed to the contact surface of the pressing plate 2 and the frame body of the laminating table 1, the phenomenon that the glass panel is broken due to the excessive compression of the elastic pad 11 is avoided, the lifting assembly 3 can adopt a lifting cylinder, and the cylinder shaft of the lifting cylinder is connected with the pressing plate 2.

During pressing, a screen to be attached and a glass panel coated with optical cement are placed on the elastic pad 11, the position of the elastic pad is adjusted, the vacuum pump 102 is started, the cylinder shaft of the lifting cylinder extends out to drive the pressing plate 2 to move downwards, so that the pressing plate 2 can be pressed downwards, the elastic pad 11 is compressed to a certain degree during pressing, certain elastic buffering is provided for the glass panel, so that the pressing force is gradually increased, a certain pressure adaptation process is realized during the attachment between the glass cover plate and the screen, air is fully extruded and exhausted in the process of pressure changing from small to large and is pumped out to the outside, meanwhile, the elastic restoring force of the elastic pad 11 enables the screen to be attached to be tightly attached to the upper surface of the glass panel coated with optical cement, and meanwhile, the lower heating sheet 12 and the upper heating sheet 11 simultaneously heat the glass panel and the screen to simultaneously heat the optical cement from two sides, can carry out two-sided heating to the optical cement like this, OCA glues the mobility of having strengthened after the heating, is heated more evenly, has reduced the production of bubble, avoids appearing the flaw, and the yields is higher.

The utility model discloses be provided with the cushion on laminating bench, when pressing through the clamp plate in the vacuum chamber body, the cushion is compressed to certain extent, give glass panels certain elastic buffer, make the pressfitting power increase gradually, thereby make the laminating between glass apron and the screen have certain pressure adaptation process, and then make the air fully extrude the discharge in pressure from little grow process, simultaneously, the elastic restoring force of cushion makes the screen that treats the laminating can hug closely on the glass panels upper surface that covers and has optical cement, simultaneously, lower heating plate with the last heating plate is simultaneously to glass panels with the screen heats in order to heat optical cement from both sides simultaneously, can carry out two-sided heating to optical cement like this, it is more even to be heated, reduced the production of bubble, avoid appearing the flaw, the yields is higher, be worth promoting very much; set up the laminating platform and be the frame structure, fill the cushion in the hollow part of frame, just the cushion highly be slightly higher than the height of frame, the cushion is only compressed to the contact surface of clamp plate and laminating platform frame like this, avoids the excessive compression of cushion, arouses the glass panels fracture.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a screen glass vacuum rigging machine, includes the vacuum box, its characterized in that: the vacuum box is internally provided with a laminating table and a pressing plate, the laminating table is provided with an elastic cushion for bearing a glass panel coated with optical cement and a lower heating sheet arranged on the upper surface of the elastic cushion, the pressing plate is arranged above the laminating table and used for pressing a screen to be laminated with the glass panel coated with the optical cement, the lower surface of the pressing plate corresponds to the lower heating sheet which is provided with an upper heating sheet, the glass panel is pressed with the screen, the lower heating sheet is simultaneously right with the upper heating sheet, the glass panel is heated with the screen to heat the optical cement from two sides simultaneously.

2. The vacuum laminating machine for screen glass according to claim 1, characterized in that: and a lifting assembly used for driving the pressing plate to lift is further arranged in the vacuum box body.

3. The vacuum laminating machine for screen glass according to claim 1, characterized in that: the laminating platform is the frame structure, the cushion fills in the hollow portion of frame, just the height of cushion is a little higher than the height of frame.

4. The vacuum laminating machine for screen glass according to claim 1, characterized in that: the vacuum box is characterized in that a connecting pipe is arranged on one side of the upper surface of the vacuum box body, a vacuum pump is connected to one end of the connecting pipe, and an air outlet pipe is fixedly connected to one end, far away from the connecting pipe, of the vacuum pump.

5. The vacuum laminating machine for screen glass according to claim 1 or 4, wherein: and a movable door is arranged on one side of the vacuum box body.

6. The vacuum laminating machine for screen glass according to claim 1, characterized in that: the upper and/or lower heat patches include PTC ceramic heat patches.