CN219032069U

CN219032069U - Panel cover membrane wave bonding structure

Info

Publication number: CN219032069U
Application number: CN202320262524.2U
Authority: CN
Inventors: 张学俊
Original assignee: Feirongda Technology Jiangsu Co ltd
Current assignee: Feirongda Technology Jiangsu Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-05-16
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a panel cover film wave bonding structure, which relates to the technical field of decorative materials of appearance panels of electronic products and comprises an antistatic PET release film, wherein a PSA double-sided adhesive layer is arranged below the antistatic PET release film, a printing PC sheet is arranged below the PSA double-sided adhesive layer, a lining protection film is arranged below the printing PC sheet, a silica gel protection film is arranged below the lining protection film, the antistatic PET release film, the PSA double-sided adhesive layer, the printing PC sheet, the lining protection film and the silica gel protection film are all U-shaped and are sequentially subjected to die pressing and bonding, and the inner edge of the U-shaped lining protection film is wave-shaped.

Description

Panel cover membrane wave bonding structure

Technical Field

The utility model relates to the technical field of decorative materials of appearance panels of electronic products, in particular to a wave bonding structure of a panel cover film.

Background

In order to meet the practical requirements of consumers on portability, ultrathin and light weight, the existing 3C office electronic product has ultrathin and light weight requirements on the appearance innovation of the electronic product, and also meets the practical use effect of the clients, and the product structure and the material are mainly used for realizing the requirements on the appearance of the ornamental part surface of the innovative pen electric panel and the consistent appearance of the machine body.

In the actual processing process of the product, the product is adhered to the PC printing frosted surface by the abnormal U-shaped structure surface machine cover, the positioning and assembling effects are achieved, meanwhile, the appearance of the printed surface is protected, the adhesion required by the surface appearance adhering cover is high, peeling is easy, no residual glue exists, meanwhile, the supporting effect is achieved, the original silicon film is thick, various adhesion forces between 100-250 g/in and the frosted printing adhesion are easy to fall off, the adhesion positioning and assembling effects of the cover supporting adhesion cannot be achieved, the adhesive force can be met in the production process by the existing adhesion scheme, the PC printing frosted PC piece can be carried up when the PC printing frosted surface machine cover is finally assembled to the shell, the assembling end adopts various schemes such as machine pressing and standing, and the like, and the actual result verifies that 88.6% of reverse products exist, so that the yield and the assembling efficiency of the product are seriously affected.

Disclosure of Invention

In order to solve the problems, the utility model provides the following technical scheme:

the utility model provides a panel cover membrane wave bonding structure, includes antistatic PET from the type membrane, antistatic PET is from being equipped with PSA double faced adhesive tape below the type membrane, be equipped with printing PC piece below the PSA double faced adhesive tape, be equipped with the inside lining protection film below the printing PC piece, be equipped with the silica gel protection film below the inside lining protection film, antistatic PET is from the type membrane, PSA double faced adhesive tape, printing PC piece, inside lining protection film and the shape of silica gel protection film are U type and mould pressing laminating in proper order, the inner edge shape of the U type of inside lining protection film is wave linear.

Further, through holes are formed in two ends of the lining protection film and the silica gel protection film.

Further, the thickness of the antistatic PET release film is 0.05-0.11mm.

Further, the thickness of the PSA double-sided adhesive layer is 0.09-0.11mm.

Further, the thickness of the printed PC sheet is 0.29-0.31mm.

Further, the thickness of the lining protection film is 0.01-0.03mm.

Further, the thickness of the silica gel protective film is 0.18-0.19mm.

The beneficial effects of the utility model are as follows:

according to the technical scheme, the high-viscosity silica gel protective film is adopted, the whole U-shaped area bonding structure for protecting bonding is changed into the U-shaped inner-edge wavy bonding structure, the adhesive force is unchanged, the bonding area is reduced, the problem that a similar product structure cannot play the role of supporting, bonding, positioning and assembling by the U-shaped cover can be completely solved through practical verification, the problem that PC frosted printed PC pieces can be brought up when the cover is stripped off by assembling a shell is solved, and the assembly efficiency and the yield of the product are greatly improved.

And the wave-shaped bonding structure of the cover film effectively solves the problems of high bonding reject ratio, about 80 percent of reject ratio, low assembly efficiency and the like of the current widely used printed panel cover, thereby improving the utilization rate of production equipment machines, reducing the labor cost and effectively improving the market competitiveness of products.

The technical scheme mainly solves the problems related to product shift, size NG, reworking, influence on the assembly quality such as PSA adhesive force, and the like, so that the utilization rate of the machine is doubled, the productivity is improved by 70%, and the yield of the product is improved from 20% to 95%.

Drawings

FIG. 1 is a schematic view showing an exploded bonding structure according to the present utility model;

FIG. 2 is a schematic bonding structure lamination diagram of the present utility model;

in the figure: 1. antistatic PET release film, 2.PSA double-sided adhesive layer, 3 printed PC sheet, 4 lining protection film, 5 silica gel protection film.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1-2, a panel cover film wave bonding structure comprises an antistatic PET release film 1, wherein a PSA double-sided adhesive layer 2 is arranged below the antistatic PET release film 1, a printing PC sheet 3 is arranged below the PSA double-sided adhesive layer 2, a lining protection film 4 is arranged below the printing PC sheet 3, a silica gel protection film 5 is arranged below the lining protection film 4, and the antistatic PET release film 1, the PSA double-sided adhesive layer 2, the printing PC sheet 3, the lining protection film 4 and the silica gel protection film 5 are all in U-shaped and are sequentially in mould pressing fit, and the inner edge of the U-shaped of the lining protection film 4 is in a wave line shape.

As shown in fig. 1, through holes are formed at two ends of the lining protection film 4 and the silica gel protection film 5, so that the positioning is convenient.

As shown in fig. 1-2, the antistatic PET release film 1 preferably has a thickness of 0.05-0.11mm.

As shown in fig. 1-2, the PSA double-sided adhesive layer 2 preferably has a thickness of 0.09-0.11mm.

As shown in FIGS. 1-2, the printed PC sheet 3 preferably has a thickness of 0.29-0.31mm.

As shown in fig. 1 to 2, the thickness of the lining protection film 4 is preferably 0.01 to 0.03mm.

As shown in fig. 1-2, the thickness of the silicone protective film 5 is preferably 0.18-0.19mm.

The preferential selection of the bonding structure of the product is as follows:

the PSA double-sided adhesive tape is a double-sided adhesive tape with the thickness of 0.1MM, the PC film is printed, the matte surface of 0.3MM is selected, the anti-static high-viscosity silica gel film with the thickness of 0.188MM is selected as the silica gel protective film, the low-viscosity film with the thickness of 0.02MM is selected as the lining protective film, the anti-static PET (polyethylene terephthalate) is selected as the anti-static high-standard double-sided release film with the thickness of 0.1MM, the anti-static PET release film is used as a support, the PSA double-sided adhesive tape plays a role in bonding the PC and the shell, the lining protective film (with the thickness of 0.02 MM) plays a role in covering the non-contact surface of the silica gel protective film and the PC, and the silica gel protective film is used as the matte surface for printing the PC surface to play a role in protection and assembly shell positioning.

As shown in fig. 1-2, the technical scheme adopts the high-viscosity silica gel protective film, the whole bonding structure of the U-shaped area for protection bonding is changed into the inner-side wavy bonding structure of the U-shape, the bonding force is unchanged, the bonding area is reduced, the problem that the similar product structure cannot play the role of supporting, bonding, positioning and assembling by the U-shaped cover can be completely solved through practical verification, and the problem that PC frosted printed PC pieces are brought up when the cover is assembled to the shell to be stripped is solved, so that the assembly efficiency and the yield of the product are greatly improved.

The technical scheme mainly solves the problems related to the product assembly quality, including shift, size NG, reworking and PSA adhesive force influence, so that the utilization rate of the machine is doubled, the productivity is improved by 70%, and the yield is improved from 20% to 95%.

The production process flow after the improvement of the wave bonding structure of the decorative panel cover film comprises the following steps:

1. raw material, slitting, cutting into rolls, printing, precise CNC, waste discharge and inspection;

2. raw material, slitting, cutting and rolling for precise die pressing and precise die pressing;

3. precisely assembling and attaching, discharging waste, checking and warehousing.

The processing steps of the product bonding structure comprise:

1. separating (release film, protective film, PC, PSA double faced adhesive tape), laminating (PSA double faced adhesive tape and release film laminating), precision molding, laminating (protective film and release film laminating), and precision molding;

2. separating strips (protective films and PC) for lamination, precisely printing, precisely CNC processing semi-finished products, and waste discharge inspection;

and 3, precisely assembling the PSA double faced adhesive tape and one side of the PC, precisely assembling the protective film and the printing surface, discharging waste, and checking and packaging.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "top", "bottom", "transverse", "vertical", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a panel cover membrane wave bonding structure, its characterized in that, is from type membrane (1) including antistatic PET, be equipped with PSA double faced adhesive tape (2) below antistatic PET from type membrane (1), be equipped with printing PC piece (3) below PSA double faced adhesive tape (2), be equipped with inside lining protection film (4) below printing PC piece (3), be equipped with silica gel protection film (5) below inside lining protection film (4), antistatic PET is from type membrane (1), PSA double faced adhesive tape (2), printing PC piece (3), inside lining protection film (4) and the shape of silica gel protection film (5) are U type and mould pressing laminating in proper order, the inner edge shape of the U type of inside lining protection film (4) is wavy.

2. The panel cover film wave bonding structure according to claim 1, wherein through holes are formed at two ends of the lining protection film (4) and the silica gel protection film (5).

3. The panel cover film wave bonding structure according to claim 1, wherein the thickness of the antistatic PET release film (1) is 0.05-0.11mm.

4. The panel cover film wave bonding structure according to claim 1, wherein the thickness of the PSA double-sided adhesive layer (2) is 0.09-0.11mm.

5. A panel cover film wavy adhesive structure according to claim 1, wherein the thickness of the printed PC sheet (3) is 0.29-0.31mm.

6. The panel cover film wave bonding structure according to claim 1, wherein the thickness of the lining protection film (4) is 0.01-0.03mm.

7. The panel cover film wave bonding structure according to claim 1, wherein the thickness of the silica gel protective film (5) is 0.18-0.19mm.