Protective film for automatic film sticking machine
By combining a composite structure of PET antistatic release film and low-adhesion PET protective film with a local reverse varnish design, the problems of bubbles, wrinkles, and misalignment during the film application process are solved, achieving a high-precision film application effect and preventing electrostatic adsorption, thus improving the performance of the protective film.
Patent Information
- Application Number
- CN202520034566.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Existing protective films suffer from problems such as low adhesion precision, easy formation of bubbles, wrinkles and misalignment during the application process, and cannot effectively prevent electrostatic adsorption.
The composite structure of PET antistatic release film and low-adhesion PET protective film is adopted, combined with local reverse varnish and low-adhesion PET antistatic frosted protective film. The film layers are separated by dividing lines to ensure smooth separation. Rollers are used to gradually apply the film, avoiding bubbles and wrinkles and achieving precise alignment.
It improves the success rate of film application, avoids bubbles, wrinkles and misalignment, enhances the bonding accuracy, prevents electrostatic adsorption, and maintains the cleanliness and aesthetics of the film.
Smart Images
Figure CN223658507U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of electronic product film pasting, and particularly relates to a protective film for an automatic film pasting machine. BACKGROUND
[0002] With the wide application of automatic equipment in various subfields, a mobile phone automatic film pasting machine also emerges as the times require. Mobile phones have become an important tool indispensable to people's daily life, and people's dependence on mobile phones is increasing. Mobile phones are not only used for communication and entertainment, but also play a key role in work and study. At the same time, people's awareness of protecting mobile phones is also increasing. As an effective way to protect mobile phone screens, mobile phone film has a growing market demand. Mobile phone film can prevent screen scratches and reduce fingerprint contamination. Some films also have functions such as anti-blue light, anti-peeping, anti-reflection, and meet the diversified needs of users in different scenarios.
[0003] The existing anti-static measures of the protective film can only partially reduce static adsorption, but cannot solve other problems in the film pasting process, such as pasting accuracy and layering risk. In the aspect of film pasting technology, it is still impossible to completely avoid the occurrence of problems such as bubbles, wrinkles and offset. Therefore, a protective film for an automatic film pasting machine is needed to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims to provide a protective film for an automatic film pasting machine to solve the problems raised in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a protective film for an automatic film pasting machine, comprising a PET anti-static release film, a main body protective film attached to the surface of the PET anti-static release film, a low-adhesive PET protective film attached to the surface of the main body protective film, a local reverse varnish printed on the surface of the low-adhesive PET protective film, a low-adhesive PET anti-static frosted protective film attached to the common surface of the low-adhesive PET protective film and the local reverse varnish, the low-adhesive PET anti-static frosted protective film, and the low-adhesive PET anti-static frosted protective film is divided into two parts by a dividing line.
[0006] As a preferred embodiment, the bottom of the PET anti-static release film is coated with an anti-static coating, the upper part of the PET anti-static release film is coated with an anti-static release coating, and the four sides of the PET anti-static release film are larger than the main body protective film.
[0007] As a preferred embodiment, the main body protection film is composed of a plurality of layers of functional material composite bonding superposition, the bottom of the main body protection film is coated with high-adhesion glue, and the upper part of the main body protection film is coated with an anti-scratch functional coating.
[0008] As a preferred embodiment, the low-adhesion glue PET protection film is coated with low-adhesion glue at the bottom, the surface of the low-adhesion glue PET protection film is coated with an enhanced adhesion coating, the size of the four sides of the low-adhesion glue PET protection film is greater than or equal to the size of the main body protection film, and the size of the four sides of the low-adhesion glue PET protection film is smaller than the size of the PET anti-static release film.
[0009] As a preferred embodiment, the partial reverse gloss oil is composed of a layer of base oil and a layer of gloss oil superimposed, and the thickness of the partial reverse gloss oil is very thin.
[0010] As a preferred embodiment, the low-adhesion PET anti-static frosted protection film is a PET substrate, the low-adhesion PET anti-static frosted protection film is coated with low-adhesion silica gel at the bottom, the surface of the low-adhesion PET anti-static frosted protection film is coated with an anti-static frosted coating, and the size of the four sides of the low-adhesion PET anti-static frosted protection film is the same as the size of the low-adhesion glue PET protection film.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] The PET anti-static release film prevents the adsorption of dust from the external environment by the PET protection film, avoids the bringing of dust points to the mobile phone screen, and affects the cleanliness and aesthetic degree of the main body protection film on the mobile phone screen, the size of the four sides of the PET anti-static release film is greater than that of the main body protection film, the automatic film sticking machine takes the material component, perfectly peels the anti-static release film from the high-adhesion surface of the main body protection film, avoids the delamination risk problem of the main body protection film and the low-adhesion glue PET protection film through the principle of soft and hard matching mechanics of the protection film, and makes the main body protection film perfectly adhere to the mobile phone screen.
[0013] The utility model discloses, local printing reverse light oil is by one layer of bottom oil and one layer of light oil superimposed printing composition, play the role of blocking PET anti -static frosted protective film adhesive property, and the low viscosity adhesive PET protective film is separated gradually with the PET anti -static frosted protective film adhesive part along with main protection film by the force of the roller from the top of reverse light oil, ensure that the main protection film is gradually reduced and is pasted to the cell -phone screen in the rolling process, avoid bubble production, avoid wrinkle production, avoid pasting deviation, thereby let the main protection film accurate alignment perfect pasting on cell -phone screen surface, local reverse light oil is very thin, ensure that the product stacking will not cause the main protection film deformation because of the thickness inconsistency.
[0014] The utility model discloses, when the automatic film sticking machine roller rolls and is pasted from one end alignment cell -phone screen to the other end, low viscosity adhesive PET protective film is separated gradually with the PET anti -static frosted protective film adhesive part along with main protection film, ensure that the main protection film is gradually reduced and is pasted to the cell -phone screen in the rolling process, avoid bubble production, avoid wrinkle production, avoid pasting deviation, thereby let the main protection film accurate alignment perfect pasting on cell -phone screen surface, surface coating anti -static frosted coating layer, form surface rough uneven, reduce contact area when the whole product stacking, coating anti -static coating simultaneously, after two products or multiple products are stacked and are stored, thereby avoid the automatic film sticking machine suction nozzle film taking when taking two or multiple products simultaneously. ACCURATE ALIGNMENT
[0015] Figure 1 It is the schematic diagram of the protective film structure of the utility model,
[0016] Figure 2 It is the utility model Figure 1 It is the enlarged structural schematic diagram of A,
[0017] Figure 3 It is the schematic diagram of the low viscosity PET anti -static frosted protective film three -dimensional structure of the utility model.
[0018] In the drawing: 1, PET anti -static release film, 2, main protection film, 3, low viscosity adhesive PET protective film, 4, local reverse light oil, 5, low viscosity PET anti -static frosted protective film, 6, split line, 7, anti -static coating, 8, anti -static release coating, 9, high viscosity adhesive, 10, scratch -resistant functional coating, 11, low viscosity adhesive, 12, enhance adhesion coating, 13, low viscosity silica gel, 14, anti -static frosted coating. CONCRETE IMPLEMENTATION
[0019] The utility model will be further described in connection with the embodiment.
[0020] The following embodiments are used to illustrate the present application, but cannot be used to limit the protection scope of the present application. The conditions in the embodiments can be further adjusted according to specific conditions, and simple improvements of the method of the present application under the concept of the present application all belong to the protection scope of the present application.
[0021] Please refer to Figures 1-3 The present application provides a protective film used by an automatic film sticking machine, comprising a PET anti-static release film 1, a main body protective film 2 attached to the surface of the PET anti-static release film 1, a low-adhesive PET protective film 3 attached to the upper surface of the main body protective film 2, a local reverse gloss oil 4 printed on the surface of the low-adhesive PET protective film 3, a low-adhesive PET anti-static frosted protective film 5 attached to the common surface of the low-adhesive PET protective film 3 and the local reverse gloss oil 4, and a division line 6 adopted by the low-adhesive PET anti-static frosted protective film 5, which divides the low-adhesive PET anti-static frosted protective film 5 into two parts, i.e., two anti-static frosted protective films, to ensure the surface appearance and flatness and produce corresponding size data according to different mobile phone screen sizes.
[0022] The bottom of the PET anti-static release film 1 is coated with an anti-static coating 7, the upper part of the PET anti-static release film 1 is coated with an anti-static release coating 8, and the four sides of the PET anti-static release film 1 are larger than the main body protective film 2. The PET anti-static release film 1 prevents the adsorption of dust from the outside by the PET protective film, avoids the dust points from being brought to the mobile phone screen, and affects the cleanliness and appearance of the main body protective film on the mobile phone. The anti-static coating 7 at the bottom of the PET anti-static release film 1 prevents the automatic film sticking machine suction nozzle from picking up two or more products at the same time after the two products or multiple products are stacked and stored. The four sides of the PET anti-static release film 1 are larger than the main body protective film 2, which is beneficial to the effective peeling of the PET anti-static release film 1 from the high-adhesive surface of the main body protective film 2. Through the mechanical principle of soft and hard matching of the protective film, the risk of delamination of the main body protective film 2 and the low-adhesive PET protective film is avoided.
[0023] The main body protective film 2 is composed of multiple layers of functional materials combined and bonded, the bottom of the main body protective film 2 is coated with a high-adhesive glue 9, and the upper part of the main body protective film 2 is coated with a scratch-resistant functional coating 10, which can be well attached to the surface of various curved mobile phones and flat mobile phones without edge lifting and wrinkle.
[0024] Low tack adhesive PET protective film 3 bottom coated low tack adhesive 11, low tack adhesive PET protective film 3 surface coated with enhanced adhesion coating 12, low tack adhesive PET protective film 3 four size greater than or equal to the size of the main body protective film 2, low tack adhesive PET protective film 3 four size is less than the size of the PET anti-static film 1, bottom coated with low tack adhesive 11 and high tack main body protective film 2 form the force of light contrast, with the main body protective film 2 paste in the screen, tear up the low tack adhesive PET protective film 3 when the main body protective film 2 paste on the screen after the effect of the mobile phone, surface coated with enhanced adhesion coating 12 can effectively strengthen the local reverse varnish 4 on the protective film firmness, low tack adhesive PET protective film 3 four size and the main body protective film 2 to keep the same size, can let the flat screen mobile phone can be well pasted perfect, four size greater than the main body protective film 2, wide out part by external force, can let the main body protective film 2 four stress more evenly, the edge of the curved screen mobile phone fit more perfect.
[0025] Local reverse varnish 4 is a layer of bottom oil and a layer of varnish superimposed, local reverse varnish 4 thickness is very thin, local reverse varnish 4 is composed of a layer of bottom oil and a layer of varnish superimposed printing, play the role of blocking low tack PET anti-static frosted protective film 5 adhesive, roller from the reverse varnish above force let low tack adhesive PET protective film 3 together with the main body protective film 2 and low tack PET anti-static frosted protective film 5 with glue part gradually separated, to ensure that the main body protective film 2 in the process of rolling paste gradually down to the mobile phone screen, avoid bubble, avoid wrinkle, avoid paste bias occurs, so that the main body protective film 2 accurate alignment perfect paste on the surface of the mobile phone screen, local reverse varnish 4 is very thin, to ensure that the product stack will not be due to the thickness of the inconsistency caused by the main body protective film deformation.
[0026] Low tack PET anti-static frosted protective film 5 is PET substrate, low tack PET anti-static frosted protective film 5 bottom coated with low tack silicone 13, low tack PET anti-static frosted protective film 5 surface coated with anti-static frosted coating 14, low tack PET anti-static frosted protective film 5 four size and low tack adhesive PET protective film 3 size, automatic film laminator roller from one end to the other end of the mobile phone screen rolling paste, low tack adhesive PET protective film 3 together with the main body protective film 2 and low tack PET anti-static frosted protective film 5 with glue part gradually separated, to ensure that the main body protective film 2 in the process of rolling paste gradually down to the mobile phone screen, avoid bubble, avoid wrinkle, avoid paste bias occurs, so that the main body protective film 2 accurate alignment perfect paste on the surface of the mobile phone screen, surface coated with anti-static frosted coating 14, form the surface rough, the overall product stack when the contact area is reduced, at the same time coated with anti-static coating 7, after two products or multiple products stack storage, thereby avoid automatic film laminator suction nozzle take film at the same time to pick up two or more products, four size size to keep with low tack adhesive PET protective film 3 consistent with the same function.
[0027] The working principle and use process of the utility model: first, the automatic film sticking machine uses the mobile phone protection film multiple stack storage in the automatic film sticking machine internal fixed position, through the automatic film sticking machine conveying device puts the mobile phone into the automatic film sticking machine specified position, through the automatic film sticking machine suction nozzle of taking material mechanical arm will be the automatic film sticking machine uses the mobile phone protection film single suction lift, convey to the mobile phone upper end specified position, and keep certain height space with mobile phone screen, then through the automatic film sticking machine another taking material mechanical hand clamps the PET anti-static type film 1 four around size big out main body protection film part, to the opposite direction movement peeling, make it with main body protection film 2 bottom high viscosity adhesive 9 separation, after separation, the automatic film sticking machine sticking roller moves to the head of low viscosity PET anti-static frosted protective film 5 above, gradually drop, through the roller pressure low viscosity PET anti-static frosted protective film 5 head force main body protection film 2 bottom high viscosity adhesive 9 stick to the mobile phone screen, then the automatic film sticking machine roller rolls to the other part direction of low viscosity PET anti-static frosted protective film, through the local reverse varnish 4 above, reach the division line 6 place, the sticking roller continues to go forward, the automatic film sticking machine suction nozzle suction low viscosity PET anti-static frosted protective film 5 does not move, main body protection film bottom high viscosity adhesive 9 continues to stick to the mobile phone screen, through the height difference, bidirectional force effect, force low viscosity PET anti-static frosted protective film 5 bottom low viscosity silica gel 13 and low viscosity adhesive PET protective film 3 and local reverse varnish 4 gradually separate, let main body protection film bottom high viscosity adhesive 9 orderly uniform close stick on the mobile phone screen surface, avoid bubble generation, avoid wrinkle generation, avoid stick deviation occurrence, thereby complete the mobile phone's film sticking.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A protective film used in an automatic laminating machine, comprising a PET antistatic release film (1), characterized in that: The surface of the PET antistatic release film (1) is attached with a main protective film (2), and a low-adhesion PET protective film (3) is laminated on the main protective film (2). The surface of the low-adhesion PET protective film (3) is printed with partial reverse varnish (4). A layer of low-adhesion PET antistatic frosted protective film (5) is attached to the common surface of the low-adhesion PET protective film (3) and the partial reverse varnish (4). The low-adhesion PET antistatic frosted protective film (5) is divided into two parts by a dividing line (6).
2. The protective film used in an automatic film applicator according to claim 1, characterized in that: The bottom of the PET antistatic release film (1) is coated with an antistatic coating (7), the top of the PET antistatic release film (1) is coated with an antistatic release coating (8), and the perimeter of the PET antistatic release film (1) is larger than that of the main protective film (2).
3. The protective film used in an automatic film applicator according to claim 1, characterized in that: The main protective film (2) is composed of multiple layers of functional materials bonded together. The bottom of the main protective film (2) is coated with a high-viscosity adhesive (9), and the top of the main protective film (2) is coated with a scratch-resistant functional coating (10).
4. The protective film used in an automatic film applicator according to claim 1, characterized in that: The bottom of the low-adhesion PET protective film (3) is coated with low-adhesion adhesive (11), the surface of the low-adhesion PET protective film (3) is coated with an adhesion-enhancing coating (12), the dimensions of the low-adhesion PET protective film (3) are greater than or equal to the dimensions of the main protective film (2), and the dimensions of the low-adhesion PET protective film (3) are smaller than the dimensions of the PET antistatic release film (1).
5. The protective film used in an automatic film applicator according to claim 1, characterized in that: The local reverse varnish (4) is composed of a base coat and a varnish layer, and the thickness of the local reverse varnish (4) is very thin.
6. The protective film used in an automatic film applicator according to claim 1, characterized in that: The low-viscosity PET antistatic frosted protective film (5) is a PET substrate. The bottom of the low-viscosity PET antistatic frosted protective film (5) is coated with low-viscosity silicone (13). The surface of the low-viscosity PET antistatic frosted protective film (5) is coated with an antistatic frosted coating (14). The dimensions of the low-viscosity PET antistatic frosted protective film (5) are the same as those of the low-viscosity PET protective film (3).