CN210853098U

CN210853098U - Film sticking device and die thereof

Info

Publication number: CN210853098U
Application number: CN201920868732.0U
Authority: CN
Inventors: 黎红; 文建军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-06-26
Anticipated expiration: 2029-06-06

Abstract

The utility model belongs to the technical field of the pad pasting ware, a pad pasting ware and mould thereof is related to. Two positioning shells and fragile arm in this pad pasting ware are injection moulding as an organic whole, easy processing, cost reduction. After the fragile arm of the film sticking device is broken off, the two positioning shells are separated. The opposite corners of the toughened film are aligned along two bone positions of the two positioning shells respectively, and the toughened film is adhered to the positioning shells through adhesives. Cleaning dust on the surface of the mobile phone, tearing off a separation film of the toughened film, then putting the toughened film adhered with the positioning shell into the mobile phone along opposite corners of the mobile phone, respectively aligning two positioning walls of the two positioning shells with the two opposite corners of the mobile phone, lightly touching the toughened film to naturally exhaust, then taking off the opposite-corner positioning shell, and accurately and quickly finishing film pasting. The film sticking device mould can reduce the arrangement of slide positions, increase the mould cavity, and form more film sticking devices by the same film sticking device mould, thereby improving the production efficiency and reducing the cost.

Description

Film sticking device and die thereof

Technical Field

The utility model belongs to the technical field of the pad pasting ware, a pad pasting ware and mould thereof is related to.

Background

The mobile phone film is a cold mounting film which can be used for mounting the surface of a mobile phone body, the surface of a mobile phone and other tangible objects. In the film pasting process, gas and impurities are easily introduced between the toughened film and the surface of the mobile phone or the toughened film is pasted askew and obliquely. The mobile phone film pasting process comprises the following steps: cleaning the surface of the mobile phone; tearing a portion of the first separation film; aligning the adsorption layer of the toughened film to the corner of the surface of the mobile phone, and then sticking the toughened film to the surface of the mobile phone; the second separation film was completely torn. The process of pasting the toughened film on the surface of the mobile phone is prone to deviation due to carelessness, the toughened film is pasted askew or air bubbles or impurities are introduced between the toughened film and the surface of the mobile phone, and the film pasting effect is affected.

In order to efficiently complete the film application, a film application technician or a consumer uses a film applicator to assist in the film application. Firstly fixing the film sticking device on the surface of the mobile phone, then completing the steps, and finally dismantling the film sticking device. The existing film sticking device is generally only provided with three positioning points which respectively correspond to two long edges and a wide edge of a mobile phone and are used for positioning the two long edges and the wide edge of a toughened film. Three setpoint all is close to the one end setting in the tempering membrane for when adopting current pad pasting ware pad pasting, the tempering membrane pastes askewly, pastes to one side easily. If a pad pasting ware is installed respectively at the cell-phone both ends, through increasing the setpoint, can improve the accuracy of pad pasting, but adopt more pad pasting wares, the cost is higher.

In the prior art, more slide positions are required to be arranged on a film sticking device mold in order to form an injection molding space of the film sticking device, so that the mold cavities are reduced, the same mold can only form fewer film sticking devices, the production efficiency is low, and the cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pad pasting ware to paste askew oblique technical problem of subsides easily when solving current pad pasting ware and pasting tempering membrane.

The embodiment of the utility model provides a film sticking device, which comprises two positioning shells and a fragile arm which are integrally formed by injection molding; the positioning shell comprises a plate body, the plate body is provided with two right-angle edges and two oblique edges, the positioning shell further comprises positioning walls formed by bending and extending the right-angle edges respectively, and two bone positions arranged on one surface of the plate body, a preset included angle is formed between the two bone positions in the length direction, the two bone positions and the plate body form a toughened film positioning area in an enclosing manner, and the two positioning walls form a mobile phone positioning area in an enclosing manner; the frangible arm is connected between the beveled edges of the two positioning shells; and the surface of the plate body close to the toughened film positioning area is provided with an adhesive for bonding with the toughened film.

Optionally, the height of the bone position is smaller than that of the positioning wall, and the height of the bone position is equivalent to the thickness of the toughened film.

Optionally, the length directions of the two bone positions of the same positioning shell are perpendicular to each other.

Optionally, the adhesive is a double-sided adhesive tape, and one side of the double-sided adhesive tape is simultaneously bonded to the plate bodies of the two positioning shells.

Optionally, two end portions of the oblique edges of the two positioning shells are aligned in a one-to-one correspondence manner.

Optionally, one end of each of the two positioning walls of the same positioning shell is connected.

Optionally, the number of the weak arms is two, and the two weak arms are arranged at intervals.

Optionally, the width of the frangible arm tapers along the length of the frangible arm.

The utility model provides an above-mentioned one or more technical scheme in the pad pasting ware has one of following technological effect at least: two positioning shells and fragile arm in this pad pasting ware are injection moulding as an organic whole, easy processing, cost reduction. After the fragile arm of the film sticking device is broken off, the two positioning shells are separated. The opposite corners of the toughened film are aligned along two bone positions of the two positioning shells respectively, and the toughened film is adhered to the positioning shells through adhesives. Cleaning dust on the surface of the mobile phone, tearing off a separation film of the toughened film, then putting the toughened film adhered with the positioning shell into the mobile phone along opposite corners of the mobile phone, respectively aligning two positioning walls of the two positioning shells with the two opposite corners of the mobile phone, lightly touching the toughened film to naturally exhaust, then taking off the opposite-corner positioning shell, and accurately and quickly finishing film pasting.

The embodiment of the utility model provides a pad pasting ware mould, including the movable mould that has the core and the cover half that has the die cavity, the core with the die cavity encloses to close the space of moulding plastics that forms the location shell that is used for moulding plastics above-mentioned pad pasting ware and fragile arm.

Optionally, the mold core is provided with a mounting groove, the film applicator mold further comprises an insert inserted into the mounting groove to form the bone position, the insert is provided with an injection molding groove adapted to the bone position, the insert is divided into a plurality of different inserts, and the injection molding grooves of the different inserts are different in position.

The utility model provides an above-mentioned one or more technical scheme in the pad pasting ware mould have one of following technological effect at least: the film sticking device mould can reduce the arrangement of slide positions, increase the mould cavity, and form more film sticking devices by the same film sticking device mould, thereby improving the production efficiency and reducing the cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a three-dimensional structure diagram of a film applicator according to an embodiment of the present invention, in which an adhesive is not shown;

FIG. 2 is a perspective view of the applicator of FIG. 1 from another angle;

FIG. 3 is a schematic view of the construction of the applicator of FIG. 1 after the frangible arms have been broken;

FIG. 4 is a schematic view of a tempered film without a separation film being torn off being attached to a positioning case;

FIG. 5 is a schematic view of the positioning shell aligned with the opposite corners of the handset based on FIG. 4;

FIG. 6 is a schematic view of the positioning shell placed along the opposite angle of the mobile phone on the basis of FIG. 5;

FIG. 7 is a schematic view of the positioning shell removed to complete the film pasting process based on FIG. 6;

fig. 8 is a schematic structural view of a movable mold and an insert applied to a film applicator mold according to an embodiment of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings only for the convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the embodiments of the present invention.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 4, an embodiment of the present invention provides a film applicator 100, which includes two positioning shells 10 and a fragile arm 20 that are integrally injection-molded; the positioning shell 10 comprises a plate body 11, the plate body 11 is provided with two right-angle edges 11a and two bevel edges 11b, the positioning shell 10 further comprises positioning walls 12 formed by bending and extending the right-angle edges 11a respectively, and two bone positions 13 arranged on one surface of the plate body 11, a preset included angle is formed between the length directions of the two bone positions 13, the two bone positions 13 and the plate body 11 enclose to form a toughened film positioning area 10a, and the two positioning walls 12 enclose to form a mobile phone positioning area 10 b; the frangible arm 20 is connected between the beveled edges 11b of the two positioning shells 10; the surface of the plate body 11 close to the tempered film positioning region 10a is provided with an adhesive (not shown) for bonding with the tempered film 1.

The two positioning shells 10 and the fragile arm 20 in the film sticking device 100 are integrally injection-molded, so that the film sticking device is easy to process and low in cost. After breaking the frangible arms 20 of the laminator 100, the two positioning housings 10 are separated (shown in FIG. 3). Opposite corners of the toughened film 1 are aligned along two bone positions 13 of the two positioning shells 10 respectively, and the toughened film 1 is attached to the positioning shells 10 through an adhesive (shown in fig. 4). Cleaning dust on the surface of the mobile phone 2, tearing off a separation membrane of the toughened membrane 1, then putting the toughened membrane 1 adhered with the positioning shell 10 into the mobile phone 2 along the opposite corners of the mobile phone 2, enabling two positioning walls 12 of the two positioning shells 10 to be respectively aligned with the two opposite corners of the mobile phone 2 (shown in figures 5 and 6), lightly touching the toughened membrane 1 to enable the toughened membrane to naturally exhaust, then taking off the opposite-corner positioning shell 10, and accurately and quickly finishing the membrane pasting (shown in figure 7).

In another embodiment of the present invention, referring to fig. 4, the height of the bone 13 is less than the height of the positioning wall 12. The height of the bone position 13 is equivalent to the thickness of the toughened film 1. After the toughened film 1 is attached to the toughened film positioning area 10a, the mobile phone positioning areas 10b of the positioning shell 10 are aligned with opposite corners of the mobile phone 2 respectively, and the toughened film 1 is positioned on the surface of the mobile phone 2. Here, the height of the bone site 13 is equivalent to the thickness of the tempered film 1, which means that the height of the bone site 13 is equal to or slightly greater than the thickness of the tempered film 1.

In another embodiment of the present invention, the positioning wall 12 and the bone 13 are located on the same surface of the plate 11, so that the injection molding is facilitated, and the tempered film 1 is disposed on the positioning shell 10.

In another embodiment of the present invention, the length directions of the two bone positions 13 of the same positioning shell 10 are perpendicular to each other. It is convenient to align the corners of the toughened film 1 to two bone positions 13 of the same positioning shell 10. Specifically, two bone positions 13 are arranged at intervals on the same positioning shell 10, so that the corners of the toughened film 1 can be aligned at a preset position.

In another embodiment of the present invention, the adhesive is a double-sided adhesive tape, and one side of the double-sided adhesive tape is simultaneously bonded to the plate bodies 11 of the two positioning shells 10. When the positioning shell is used, the sticker of the double-sided adhesive is torn off, the two positioning shells 10 are separated from the middle, opposite corners of the toughened film 1 are aligned along two bone positions 13 of the two positioning shells 10 respectively, and the toughened film 1 is pasted on the positioning shells 10 through the adhesive, so that the operation is convenient. The adhesive may also be other types of adhesives.

In another embodiment of the present invention, two ends of the bevel edge 11b of the two positioning shells 10 are aligned in a one-to-one correspondence. This arrangement facilitates the molding of the applicator 100. The film sticking device 100 can reduce the arrangement of slide positions in a die, so that the number of die cavities is increased, more film sticking devices 100 are formed by the same die, the production efficiency is improved, and the cost is reduced.

In another embodiment of the present invention, one end of the two positioning walls 12 of the same positioning shell 10 is connected. The structure is convenient for molding and two positioning walls 12 are respectively abutted against two adjacent side surfaces of the mobile phone 2.

In another embodiment of the present invention, the joint between two positioning walls 12 of the same positioning shell 10 is provided with a circular arc transition portion 14. The arc transition part 14 can avoid stress concentration and has good forming quality. Avoiding the situation of scraping the user when in use.

In another embodiment of the present invention, the number of the weak arms 20 is two, and the two weak arms 20 are disposed at intervals. This solution is easy to process, allowing the two positioning shells 10 to be connected and easily separated.

In another embodiment of the present invention, the width of the frangible arm 20 is tapered along the length of the frangible arm 20. This structure is easy to mold, and when breaking the two positioning cases 10, the weak arm 20 is broken at the place where the width is smallest, so that the operation is convenient.

Referring to fig. 1, 4 and 8, in another embodiment of the present invention, a mold 200 for a film applicator is provided, which includes a movable mold 210 having a core 211 and a fixed mold having a cavity (not shown), wherein the core 211 and the cavity enclose an injection space for injecting the positioning shell 10 and the fragile arm 20 of the film applicator 100.

The film sticking device mould 200 can reduce the arrangement of slide positions, increase mould cavities, and form more film sticking devices 100 by the same film sticking device mould 200, thereby improving the production efficiency and reducing the cost.

In another embodiment of the present invention, the mold core 211 has a mounting groove 212, the film applicator mold 200 further comprises an insert 220 inserted into the mounting groove 212 to form the bone 13, the insert 220 has a molding groove 221 adapted to the bone 13, the insert 220 is divided into a plurality of different inserts 220, and the molding grooves 221 of the different inserts 220 are different in position. For mobile phones 2 of different models, the distance between the side surface of the mobile phone 2 and the toughened film 1 attached to the screen is different, and the side surface of the mobile phone 2 is pressed against the positioning wall 12 during positioning. The bone site 13 is formed at a different location on the positioning shell 10, i.e., the spacing between the bone site 13 and the positioning wall 12 is changed. The mold core 211 can be used for injection molding of the bone positions 13 at different positions by replacing different inserts 220 to form different film sticking devices 100, so that the film sticking devices are respectively suitable for sticking the toughened films 1 to mobile phones 2 of different models, and the investment cost of the mold is greatly saved. Specifically, four inserts 220 are arranged in the injection space for molding one film applicator 100, and are used for injection molding four bone positions 13.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The film sticking device is characterized by comprising two positioning shells and a fragile arm which are integrally formed by injection molding; the positioning shell comprises a plate body, the plate body is provided with two right-angle edges and two oblique edges, the positioning shell further comprises positioning walls formed by bending and extending the right-angle edges respectively, and two bone positions arranged on one surface of the plate body, a preset included angle is formed between the two bone positions in the length direction, the two bone positions and the plate body form a toughened film positioning area in an enclosing manner, and the two positioning walls form a mobile phone positioning area in an enclosing manner; the frangible arm is connected between the beveled edges of the two positioning shells; and the surface of the plate body close to the toughened film positioning area is provided with an adhesive for bonding with the toughened film.

2. The applicator of claim 1 wherein the height of said bony site is less than the height of said locating wall, said bony site height being comparable to the thickness of the toughened film.

3. The applicator of claim 1 wherein the length directions of two of said bone sites of the same positioning housing are perpendicular to each other.

4. The applicator according to claim 1, wherein said adhesive is a double-sided tape, one side of said double-sided tape being simultaneously adhered to the plate bodies of both said positioning shells.

5. The applicator according to claim 1 wherein the two end portions of said beveled edges of said two positioning shells are aligned in a one-to-one correspondence.

6. The applicator according to claim 1 wherein one of the ends of the two positioning walls of the same positioning housing are connected.

7. The applicator of claim 1 wherein said frangible webs are two in number, two of said frangible webs being spaced apart.

8. The applicator of claim 1, wherein said frangible arm tapers in width along the length of said frangible arm.

9. A die for a film sticking device, comprising a movable die having a core and a fixed die having a cavity, wherein the core and the cavity enclose an injection space for injecting a positioning shell and a fragile arm of the film sticking device according to any one of claims 1 to 8.

10. The film applicator mold of claim 9, wherein the core defines a mounting groove, the film applicator mold further comprising an insert inserted into the mounting groove to form the bone, the insert defining an injection groove adapted to the bone, the insert being divided into a plurality of different inserts, the different inserts having different injection grooves at different locations.