CN217320872U

CN217320872U - Film sticking device and mobile phone film assembly

Info

Publication number: CN217320872U
Application number: CN202220878468.0U
Authority: CN
Inventors: 刘永辉
Original assignee: Shenzhen Yumao Technology Co ltd
Current assignee: Shenzhen Yumao Technology Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-30
Anticipated expiration: 2032-04-15

Abstract

The utility model relates to an electronic product screen protection device technical field especially relates to a pad pasting ware and a cell-phone membrane subassembly. Wherein, a pad pasting ware, including the base, the base is provided with the screen accommodation space, the left and right sides in screen accommodation space is provided with left side holding chamber and right side holding chamber respectively, the front side in screen accommodation space is provided with the front side mouth, the rear side in screen accommodation space is provided with the pull mouth, be provided with the cushion in the middle of the screen accommodation space, left side holding chamber is provided with left reference column, right side holding chamber is provided with right reference column. The technical scheme of the utility model has simple structure and easy operation, does not need to resort to professional film pasting personnel, does not need strong manual ability, and can be operated by ordinary consumers; the film is accurate in positioning, good in exhaust effect, low in cost and wide in market prospect.

Description

Film sticking device and mobile phone film assembly

Technical Field

The utility model relates to an electronic product screen protection device technical field especially relates to a pad pasting ware and a cell-phone membrane subassembly.

Background

In order to prevent the screen from being scratched in the use process of digital electronic equipment such as a mobile phone and a tablet computer, a screen protective film is usually attached to the screen, so that the screen can be protected from being scratched or damaged to a great extent. In order to facilitate production and transfer, the protective film is generally provided with a release film and a positioning film at the top end and the bottom end of the membrane respectively, so that the release film and the positioning film need to be torn off when the membrane is attached.

The current pad pasting means generally is pure manual operation, and this kind of pure manual operation needs can once only paste the screen protection membrane to the skilled personnel of pad pasting technique, can not produce the bubble, if not skilled, pastes inaccurate position easily, need tear and heavily paste, but a lot of tears the subsides, can make the face of pasting of screen protection membrane glue dust, generates the bubble when the pad pasting to lead to whole screen protection membrane to scrap.

Therefore, how to develop a film applicator to overcome the above disadvantages is the subject of research by those skilled in the art.

Disclosure of Invention

An object of the utility model is to provide a pad pasting ware and a cell-phone membrane subassembly to prior art's not enough.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a pad pasting ware, including the base, the base is provided with the screen accommodation space, the left and right sides in screen accommodation space is provided with left side holding chamber and right side holding chamber respectively, the front side in screen accommodation space is provided with the front side mouth, the rear side in screen accommodation space is provided with the pull mouth, be provided with the cushion in the middle of the screen accommodation space, left side holding chamber is provided with left reference column, right side holding chamber is provided with right reference column.

As a further aspect of the present invention: the cushion block is of a geometrical structure, and the height of the cushion block is 0.5-4 mm.

As a further aspect of the present invention: the screen storage device is characterized by further comprising a plurality of groups of positioning assemblies, wherein any group of positioning assemblies is provided with 4 positioning pieces, the base is provided with a rectangular groove, and 4 positioning pieces are correspondingly detachably connected with 4 corners of the rectangular groove respectively and make 4 screen accommodating spaces surrounded by the positioning pieces.

As a further aspect of the present invention: arbitrary a set of arbitrary in the locating component the setting element is the right trapezoid structure, just the oblique waist limit of right trapezoid structure is sunken to have R bight, arbitrary the bottom surface of setting element still is provided with the locating hole, 4 angles of rectangular channel all are provided with the dog reference column, the dog reference column inserts the locating hole makes 4 the setting element correspond respectively connect in 4 angles of rectangular channel.

As a further aspect of the present invention: the 4 positioning pieces are respectively an upper left positioning piece, a lower left positioning piece, an upper right positioning piece and a lower right positioning piece, 4 corners of the rectangular slot are respectively an upper left corner, a lower left corner, an upper right corner and a lower right corner, the upper left positioning piece is placed at the upper left corner, the lower left positioning piece is placed at the lower left corner, the upper right positioning piece is placed at the upper right corner, and the lower right positioning piece is placed at the lower right corner;

the interval between the upper left locating element and the lower left locating element forms the left side accommodating cavity, and the interval between the upper right locating element and the lower right locating element encloses the right side accommodating cavity.

As a further aspect of the present invention: still including a plurality of locating frames, the base is provided with the rectangular channel, arbitrary the locating frame inlay put in the rectangular channel, the screen accommodation space set up in the locating frame.

As a further aspect of the present invention: the screen accommodating space is provided with a pressing and detaching hole.

As a further aspect of the present invention: the front side port is provided with a front positioning column.

As a further aspect of the present invention: still including bracing piece and bolt, the one end of bracing piece is provided with the bracing piece hole, the base side is provided with first branch connector, the protruding second branch connector that has of back in screen accommodation space, the second branch connector is close to the one end of first branch connector is provided with the spacing portion of branch, the bracing piece is close to the one end in bracing piece hole set up in first branch connector with between the second branch connector, the bolt in proper order alternate in first branch connector the bracing piece hole reaches the second branch connector.

The utility model also provides another technical scheme: the utility model provides a mobile phone membrane subassembly for any one of the aforesaid a pad pasting ware, wherein, a mobile phone membrane subassembly is including the mobile phone membrane, the one side of mobile phone membrane is provided with from the type membrane, keep away from the type membrane the one side of mobile phone membrane is provided with the pull label, the another side of mobile phone membrane is provided with the locating film, the left and right sides of locating film is provided with left location chimb and right location chimb respectively, left side location chimb is provided with left locating hole, right side location chimb is provided with right locating hole.

The utility model has the advantages that:

the technical proposal of the utility model is that the base is provided with the screen holding space to place the mobile phone screen and the mobile phone film, and the left holding cavity, the right holding cavity, the left positioning column and the right positioning column are arranged, one surface of the mobile phone film is glued with the positioning film, so that the mobile phone film is fixed in the left side accommodating cavity and the right side accommodating cavity through the positioning film after being placed in the screen accommodating space, thereby fixing the mobile phone film in the screen accommodating space, adhering the release film on the other surface of the mobile phone film, making one surface of the release film upward, making one surface of the positioning film downward and abutting against the cushion block, bending the label on the release film at the front side opening and extending the label to the drawing opening, placing one surface of the mobile phone screen in a screen accommodating space downwards, drawing part of the label extending out of the release film from the drawing opening to draw the release film out of the drawing opening until the mobile phone film is completely attached to the mobile phone screen in an adsorption manner;

the cushion blocks are arranged, so that the mobile phone film and the mobile phone screen are more flat when placed in the screen accommodating space, and the film pasting effect is prevented from being influenced due to the fact that the mobile phone film and the mobile phone screen are uneven in height; on the other hand, if the mobile phone film is directly placed in the screen accommodating space without the cushion block, the edge of the release film is easily scraped to the inner wall of the screen accommodating space when the release film is pulled to cause clamping stagnation, the cushion block enables the release film to be pulled more smoothly to avoid the clamping stagnation, and the cushion block is arranged to enable the mobile phone film and the mobile phone screen to have a certain movable space in the release film pulling process, so that enough pulling space is reserved for the pulled release film, and the pulling effect of the release film is easier; in another aspect, the cushion block is arranged, so that in the process of drawing the release film, the height difference exists between two ends of the mobile phone by pressing one end of the mobile phone, which is far away from the drawing opening, namely the mobile phone has a certain inclination, so that the angle of drawing the release film and gradually adsorbing and adhering the mobile phone film to the mobile phone screen is easily adjusted, bubbles are more sufficiently removed, and the adhering effect of the mobile phone film and the mobile phone screen is better;

the structure is simple and easy to operate, professional film pasting personnel do not need to be resorted to, and the operation can be performed by ordinary consumers without strong operation ability; the film has accurate positioning, good exhaust effect, low cost and wide market prospect, and is not easy to generate bubbles.

Drawings

Fig. 1 is a schematic structural view of a film sticking device of the present invention.

Fig. 2 is another schematic structural diagram of the film sticking device of the present invention.

Fig. 3 is another schematic structural view of the film applicator of the present invention.

Fig. 4 is a partially exploded view of fig. 3.

Fig. 5 is a schematic structural view of the positioning member of the present invention.

Fig. 6 is an exploded schematic view of the membrane module of the mobile phone of the present invention.

Fig. 7 is another schematic structural diagram of the release film of the present invention.

The reference numerals include:

100-a base;

1-a rectangular groove, wherein the rectangular groove is provided with a plurality of grooves,

11-screen containing space, 12-left containing cavity, 13-right containing cavity, 14-front side port, 15-drawing port, 16-cushion block, 17-baffle positioning column, 18-pressing dismounting hole, 111-upper left corner, 112-lower left corner, 113-upper right corner, 114-lower right corner, 121-left positioning column,

131-a right positioning column,

141-front locating posts;

2-a positioning piece, namely,

21-upper left positioning element, 22-lower left positioning element, 23-upper right positioning element, 24-lower right positioning element, 211-corner R, 212-positioning hole;

3-a support rod for supporting the rod,

31-a strut hole, 32-a bolt, 33-a first strut connecting port, 34-a second strut connecting port and 35-a strut limiting part;

4-a mobile phone film component,

41-mobile phone film, 42-release film, 43-positioning film,

431-left positioning flange, 432-right positioning flange,

421-drawing the label, wherein the label is drawn,

4311-left positioning hole,

4321-Right alignment hole.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-7, the embodiment of the present invention provides a film sticking device, including a base 100, the base 100 is provided with a screen accommodating space 11, the left and right sides of the screen accommodating space 11 are respectively provided with a left accommodating chamber 12 and a right accommodating chamber 13, the front side of the screen accommodating space 11 is provided with a front side port 14, the rear side of the screen accommodating space 11 is provided with a drawing port 15, a cushion block 16 is arranged in the middle of the screen accommodating space 11, the left accommodating chamber 12 is provided with a left positioning column 121, and the right accommodating chamber 13 is provided with a right positioning column 131. Specifically, the pad 16 may be fixed to the bottom surface of the screen accommodating space 11 by glue, or may be integrally formed and fixed to the bottom surface of the screen accommodating space 11. The cushion block 16 can adopt an elastic cushion block 16 or an inelastic cushion block 16, and the cushion block 16 can adopt a foam cushion. The cushion block 16 may be fixedly disposed at the bottom of the screen accommodating space 11 by gluing, or may be integrally injection-molded between the cushion block 16 and the base 100.

The technical solution of the present invention is that a screen accommodating space 11 is provided in a base 100 to allow a mobile phone screen and a mobile phone film 41 to be placed therein, a left accommodating chamber 12, a right accommodating chamber 13, a left positioning column 121 and a right positioning column 131 are provided, and one surface of the mobile phone film 41 is glued to a positioning film 43, so that after the mobile phone film 41 is placed in the screen accommodating space 11, the mobile phone film 41 is fixed to the left accommodating chamber 12 and the right accommodating chamber 13 through the positioning film 43, thereby fixing the mobile phone film 41 in the screen accommodating space 11, and the other surface of the mobile phone film 41 is glued to a release film 42, and one surface of the release film 42 faces upward, and one surface of the positioning film 43 faces downward and abuts against a cushion block 16, a label on the release film 42 is bent at a position of a front side opening 14 and extends to a drawing opening 15, one surface of the mobile phone screen is placed in the screen accommodating space 11, and a part of the label extending from the release film 42 is drawn from the drawing opening 15 to allow the drawing opening 42 to be drawn out from the drawing opening 15, until the mobile phone film 41 and the mobile phone screen are completely attached;

the cushion block 16 is arranged, so that the mobile phone film 41 and the mobile phone screen are more flat when being placed in the screen accommodating space 11, and the film pasting effect is prevented from being influenced by the uneven height; on the other hand, if the mobile phone film 41 is directly placed in the screen accommodating space 11 without the cushion block 16, when the release film 42 is pulled, the edge of the release film 42 is easily scratched to the inner wall of the screen accommodating space 11 to cause clamping stagnation, and the cushion block 16 is arranged to enable the pulling of the release film 42 to be smoother and avoid clamping stagnation, and the cushion block 16 is arranged to enable the mobile phone film 41 and the mobile phone screen to have a certain movable space in the process of pulling the release film 42, so that enough pulling space is reserved for the pulling release film 42, and the pulling effect of the release film 42 is easier; on the other hand, the cushion block 16 is arranged, so that in the process of drawing the release film 42, by pressing one end of the mobile phone far away from the drawing port 15, a height difference exists between two ends of the mobile phone, namely a certain inclination exists on the mobile phone, so that the angle when the release film 42 is drawn and the mobile phone film 41 is gradually adsorbed and attached to the mobile phone screen is easily adjusted, bubbles are removed more fully, and the attaching effect of the mobile phone film 41 and the mobile phone screen is better;

the structure is simple and easy to operate, professional film pasting personnel do not need to be resorted to, and the operation can be carried out by ordinary consumers without strong operation ability; the film pasting device has the advantages of accurate film pasting positioning, good exhaust effect, low cost and wide market prospect.

In some embodiments, the spacers 16 are in a geometric configuration, the height of the spacers 16 is 0.5mm to 4mm, and 1 or more spacers 16 are provided. Specifically, the number of the cushion blocks 16 is 1 or not less than 2, the cushion blocks 16 are preferably rectangular structures, the number is preferably 1, and the height is preferably 3 mm. The preferred dimensions optimize the effect of the cell phone film 41 and cell phone screen.

In some embodiments, the mobile phone further includes a plurality of sets of positioning assemblies, each set of positioning assembly has 4 positioning elements 2, the base 100 is provided with a rectangular groove 1, the 4 positioning elements 2 are respectively detachably connected to 4 corners of the rectangular groove 1, and the screen accommodating space 11 is defined by the 4 positioning elements 2. A plurality of groups of positioning assemblies are designed, each group of positioning assemblies is composed of 4 positioning pieces 2, and each group of positioning assemblies is correspondingly adapted to the model of a mobile phone on the market respectively so as to increase the applicability of the film sticking device, so that the film sticking device is suitable for positioning and sticking films of various mobile phone models on the market, and the universal film sticking function of the mobile phone is realized. Specifically, a cell phone model corresponds a set of setting element 2, when changing other cell phone models and carrying out the pad pasting, the screen accommodation space 11 that a set of setting element 2 that the cell phone that the last corresponds formed is not the adaptation with next cell phone, consequently, through changing a set of setting element 2 corresponding with this next cell phone to form the screen accommodation space 11 with the adaptation that this next cell phone corresponds, thereby realize general purpose pad pasting function, when giving different cell phone pad pasting promptly, only need to change a set of setting element 2 that corresponds can, the problem of frequently changing the pad pasting ware has effectively been avoided.

In some embodiments, any one of the positioning members 2 in any one of the positioning assemblies is of a right trapezoid structure, an R corner 211 is recessed at an oblique waist edge of the right trapezoid structure, a positioning hole 212 is further disposed on a bottom surface of any one of the positioning members 2, stopper positioning pillars 17 are disposed at 4 corners of the rectangular groove 1, and the stopper positioning pillars 17 are inserted into the positioning holes 212 to enable the 4 positioning members 2 to be correspondingly connected to the 4 corners of the rectangular groove 1, respectively. Specifically, the R corners 211 are fitted to four R corners of the handset film 41, i.e., 4R corners of the handset. The applicability is further improved so as to be suitable for mobile phones of different models to carry out film pasting, and film pasting positioning is further enhanced so as to further improve the film pasting effect.

In some embodiments, the 4 positioning elements 2 are an upper left positioning element 21, a lower left positioning element 22, an upper right positioning element 23, and a lower right positioning element 24, the 4 corners of the rectangular slot 1 are an upper left corner 111, a lower left corner 112, an upper right corner 113, and a lower right corner 114, respectively, the upper left positioning element 21 is placed at the upper left corner 111, the lower left positioning element 22 is placed at the lower left corner 112, the upper right positioning element 23 is placed at the upper right corner 113, and the lower right positioning element 24 is placed at the lower right corner 114;

the left side accommodating cavity 12 is formed by the space between the upper left positioning part 21 and the lower left positioning part 22, and the right side accommodating cavity 13 is enclosed by the space between the upper right positioning part 23 and the lower right positioning part 24. The applicability is further improved so as to be suitable for mobile phones of different models to carry out film pasting, and film pasting positioning is further enhanced so as to further improve the film pasting effect.

In some embodiments, the portable electronic device further includes a plurality of positioning frames, the base 100 is provided with a rectangular groove 1, any one of the positioning frames is embedded in the rectangular groove 1, and the screen accommodating space 11 is disposed in the positioning frame. Specifically, different models of mobile phones correspond to different positioning frames. Preferably, the upper left positioning element 21, the lower left positioning element 22, the upper right positioning element 23 and the lower right positioning element 24 are respectively located at 4 corners of the positioning frame, namely, 4 positioning elements 2 are connected through the frame of the positioning frame, so that when different mobile phone models are replaced, the positioning frame can be replaced quickly, a universal mobile phone film pasting function is realized, and the problem that the film pasting device needs to be replaced frequently for different mobile phone films is effectively solved.

In some embodiments, the screen receiving space 11 is provided with a press-removal hole 18. Specifically, the press-detaching hole 18 is provided so that the mobile phone can be better taken out of the screen accommodating space 11 after the film attachment is completed. Further improve the suitability to improve pad pasting efficiency and use experience.

In some embodiments, the front side port 14 is provided with a front locating post 141. Particularly, the film pasting positioning is further strengthened, so that the film pasting effect is further improved.

In some embodiments, the screen accommodating space 11 further includes a support rod 3 and a pin 32, one end of the support rod 3 is provided with a support rod hole 31, a first support rod connection port 33 is disposed on a side surface of the base 100, a second support rod connection port 34 protrudes from a back surface of the screen accommodating space 11, one end of the second support rod connection port 34 close to the first support rod connection port 33 is provided with a support rod limiting portion 35, one end of the support rod 3 close to the support rod hole 31 is disposed between the first support rod connection port 33 and the second support rod connection port 34, and the pin 32 is sequentially inserted into the first support rod connection port 33, the support rod hole 31 and the second support rod connection port 34. Specifically, the supporting rod 3 is rotated to a certain angle until the supporting rod 3 abuts against the supporting rod limiting portion 35, the length direction of the supporting rod 3 forms a certain angle with the projection of the back of the base 100 at the moment, the supporting rod 3 supports the base 100, and a mobile phone is placed into the screen accommodating space 11, so that the film sticking device can be used as a mobile phone supporting frame, the applicability is further improved, and multiple purposes are achieved. The manufacturing cost is low, the practicability is high, and the purpose of the mobile phone support frame can be achieved after the film pasting is completed. In addition, the support frame capable of being glued can be glued to the back of the screen accommodating space 11, so that the film sticking device can support the mobile phone, and the applicability and the use experience are further improved.

In some embodiments, a mobile phone membrane assembly is used for the film applicator of any one of the above items, wherein the mobile phone membrane assembly 4 includes a mobile phone membrane 41, a release film 42 is disposed on one surface of the mobile phone membrane 41, a pull label 421 is disposed on one surface of the release film 42 away from the mobile phone membrane 41, a positioning film 43 is disposed on the other surface of the mobile phone membrane 41, a left positioning flange 431 and a right positioning flange 432 are disposed on the left and right sides of the positioning film 43, respectively, the left positioning flange 431 is provided with a left positioning hole 4311, and the right positioning flange 432 is provided with a right positioning hole 4321. Particularly, the film sticking positioning is further enhanced, so that the film sticking effect is further improved.

When in use, the mobile phone membrane assembly 4 is placed in the screen accommodating space 11, wherein one side of the release film 42 faces upward, one side of the positioning film 43 faces downward, the left positioning flange 431 is placed in the left accommodating chamber 12, the left positioning column 121 is inserted into the left positioning hole 4311, the right positioning flange 432 is placed in the right accommodating chamber 13, the right positioning column 131 is inserted into the right positioning hole 4321, the front side of the positioning film 43 is further provided with a front positioning flange, the front positioning flange is provided with a front positioning hole 212, the front positioning flange is placed in the front side opening 14, the front positioning column 141 is inserted into the front positioning hole 212, the pull label 421 is arranged on one side of the release film 42 close to the front positioning flange, the pull label 421 is bent until the tail end of the pull label 421 is inserted into the pull opening 15, one side of a screen of the mobile phone is downward and is placed into the screen accommodating space 11, one hand is used for pressing one end of the back of the mobile phone, which is far away from the drawing opening 15, at the moment, the cushion block 16 is compressed, the pressed end of the mobile phone slightly descends, so that the mobile phone screen and the mobile phone film 41 both have certain inclination, the other hand is used for drawing the extended part of the drawing label 421 from the drawing opening 15 until the drawing label 421 is drawn out of the drawing opening 15, so that the mobile phone film 41 and the mobile phone screen are attached in an adsorption manner, and the side, which is attached to the mobile phone film 41, of the release film 42 has an electrostatic effect, so that when the release film 42 is drawn out, dust on the mobile phone screen can be adsorbed and can be brought out of the drawing opening 15;

in addition, can set up the extension label from type membrane 42, can make shorter size from pull label 421 on the type membrane 42, accessible extension label is glued in pull label 421 during the use to extension pull label 421 makes can accomplish the pull in pull mouth 15 department and leave type membrane 42.

In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the effectiveness of the prior art and provide a practical product.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a pad pasting ware, its characterized in that, including the base, the base is provided with the screen accommodation space, the left and right sides in screen accommodation space is provided with left side holding chamber and right side holding chamber respectively, the front side in screen accommodation space is provided with the front side mouth, the rear side in screen accommodation space is provided with the drawing mouth, be provided with the cushion in the middle of the screen accommodation space, left side holding chamber is provided with left reference column, right side holding chamber is provided with right reference column.

2. A laminator according to claim 1, wherein: the cushion block is of a geometrical structure, and the height of the cushion block is 0.5-4 mm.

3. A film applicator according to claim 1 wherein: the screen storage device is characterized by further comprising a plurality of groups of positioning assemblies, wherein any group of positioning assemblies is provided with 4 positioning pieces, the base is provided with a rectangular groove, and 4 positioning pieces are correspondingly detachably connected with 4 corners of the rectangular groove respectively and are used for enabling 4 positioning pieces to surround the screen accommodating space.

4. A laminator according to claim 3, wherein: arbitrary a set of arbitrary in the locating component the setting element is the right trapezoid structure, just the oblique waist limit of right trapezoid structure is sunken to have R bight, arbitrary the bottom surface of setting element still is provided with the locating hole, 4 angles of rectangular channel all are provided with the dog reference column, the dog reference column inserts the locating hole makes 4 the setting element correspond respectively connect in 4 angles of rectangular channel.

5. A laminator according to claim 3, wherein: the 4 positioning pieces are respectively an upper left positioning piece, a lower left positioning piece, an upper right positioning piece and a lower right positioning piece, 4 corners of the rectangular slot are respectively an upper left corner, a lower left corner, an upper right corner and a lower right corner, the upper left positioning piece is placed at the upper left corner, the lower left positioning piece is placed at the lower left corner, the upper right positioning piece is placed at the upper right corner, and the lower right positioning piece is placed at the lower right corner;

6. A laminator according to claim 1, wherein: still including a plurality of locating frames, the base is provided with the rectangular channel, arbitrary the locating frame inlay put in the rectangular channel, the screen accommodation space set up in the locating frame.

7. A laminator according to claim 1, wherein: the screen accommodating space is provided with a pressing dismounting hole.

8. A laminator according to claim 1, wherein: the front side port is provided with a front positioning column.

9. A film applicator according to any one of claims 1 to 8, wherein: still including bracing piece and bolt, the one end of bracing piece is provided with the bracing piece hole, the base side is provided with first branch connector, the protruding second branch connector that has of back in screen accommodation space, the second branch connector is close to the one end of first branch connector is provided with the spacing portion of branch, the bracing piece is close to the one end in bracing piece hole set up in first branch connector with between the second branch connector, the bolt in proper order alternate in first branch connector the bracing piece hole reaches the second branch connector.

10. A mobile phone membrane assembly is used for the film sticking device as claimed in any one of claims 1 to 9, wherein the mobile phone membrane assembly comprises a mobile phone membrane, a release film is arranged on one surface of the mobile phone membrane, a drawing label is arranged on the surface, away from the mobile phone membrane, of the release film, a positioning film is arranged on the other surface of the mobile phone membrane, a left positioning convex edge and a right positioning convex edge are respectively arranged on the left side and the right side of the positioning film, a left positioning hole is formed in the left positioning convex edge, and a right positioning hole is formed in the right positioning convex edge.