CN216943723U

CN216943723U - Film sticking device

Info

Publication number: CN216943723U
Application number: CN202220115366.3U
Authority: CN
Inventors: 蒋春林; 汪东林
Original assignee: Shenzhen Torras Technology Co Ltd
Current assignee: Shenzhen Torras Technology Co Ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-07-12
Anticipated expiration: 2032-01-17

Abstract

The application provides a pad pasting device, including the base and set up in the first setting element and the second setting element of base, first setting element and second setting element relative interval form the positioning gap in order to inject jointly, and the one end of positioning gap has the first distance, and the other end has the second distance, and the first distance is greater than the second distance, and the first distance is used for respectively with the spacing cooperation of protection film with the second distance. The application provides a pad pasting device, fix a position the protection film through first setting element and second setting element, make the protection film easily fix on the pad pasting device, the protection film tenesmus when avoiding the pad pasting causes the protection film to be not corresponding with the pad pasting position with the quick laminating of display screen, the pad pasting is crooked, the protection film need not just can be fixed in the pad pasting device with the help of the auxiliary member of two-sided adhesive class simultaneously, the simple structure of pad pasting device, high durability and convenient operation, also can reduce the pollution of auxiliary member to the environment when reducing the auxiliary member cost.

Description

Film sticking device

Technical Field

The application relates to the technical field of film pasting, in particular to a film pasting device.

Background

With the rapid development of the mobile phone market in China, the demand of people on mobile phone film pasting is rapidly increased, but the defects of low film pasting efficiency, poor appearance and the like exist. The appearance of the mobile phone film pasting device brings convenience to a lot of people. The mobile phone film pasting device has the advantages of good film pasting effect, high efficiency and simplicity in operation, and can better solve the problem that a film is inclined when people paste the film.

But current protection film body carries out location fit through the flexible location portion of connecting at its edge and the location portion of pad pasting device usually, fixes a position the protection film body with this mode and causes the protection film body tenesmus easily and direct laminating with the display screen fast, leads to the pad pasting position that the adjustment protection film body of not being convenient for corresponds to the display screen when the pad pasting, is unfavorable for the gas outgoing with the pad pasting in-process moreover.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a film sticking device to solve the problems.

The embodiment of the application realizes the aim through the following technical scheme.

The embodiment of the application provides a film sticking device, including the base and set up in the relative both sides limit of base and towards keeping away from the bellied first setting element of base and second setting element, first setting element and second setting element have first distance between being close to the one end on top, first setting element and second setting element have the second distance between being close to the one end of bottom, first distance is greater than the second distance.

Compared with the prior art, the pad pasting device that this application provided, come to fix a position the protection film through first setting element and second setting element, make the protection film easily fix on the pad pasting device, the protection film tenesmus causes the protection film to be not corresponding with the pad pasting position with the quick laminating of display screen when avoiding the pad pasting, the pad pasting is crooked, the protection film need not just can be fixed in the pad pasting device with the help of the auxiliary member of two-sided glue class simultaneously, the simple structure of pad pasting device, and convenient for operation also can reduce the pollution of auxiliary member to the environment when reducing the auxiliary member cost. In addition, the film sticking device is convenient for a user to disassemble and assemble the protective film from the first distance, and meanwhile, the protective film can be clamped and positioned at the second distance, so that the protective film is smoothly clamped in the film sticking device. When the film is pasted, a user can squeeze the film from a position with a small width size to a position with a large width size so as to discharge bubbles generated during pasting of the film and ensure the film is pasted.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a film sticking device provided in an embodiment of the present application.

Fig. 2 is a schematic structural view of the film sticking device shown in fig. 1 at another viewing angle.

Fig. 3 is an enlarged schematic view as at a in fig. 1.

Fig. 4 is a schematic view of the film attaching device shown in fig. 1 from a rear side view.

Fig. 5 is a schematic structural view of the film attaching device shown in fig. 1 before being assembled with a protective film.

Fig. 6 is a schematic structural view of the film attaching device shown in fig. 1 after being assembled with a protective film.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, the embodiment provides a film pasting device 10, which includes a base 11, and a first positioning member 121 and a second positioning member 122 disposed on two opposite sides of the base 11 and protruding away from the base 11. The film sticking device 10 can be used for sticking films on electronic equipment, and the electronic equipment can be a mobile phone, a tablet, a reader and the like.

In the present embodiment, the base 11 is substantially rectangular, the length of the base 11 is greater than the length of the protection film, the width of the base 11 may be greater than the width of the protection film, and the protection film may be made of hard glass material, so as to ensure that the protection film is completely contained in the film sticking apparatus 10. The base 11 can provide steady support for the protection film, guarantees the smoothness of protection film on pad pasting device 10 to ensure that the protection film can laminate to the display screen flatly on. In the present embodiment, the base 11 includes a top end 118, a bottom end 119 and two opposite sides between the top end 118 and the bottom end 119, and the top end 118 and the bottom end 119 may be two ends of the base 11 in the length direction.

In some embodiments, the base 11 may be a rigid structure. For example, the base 11 may be made of a PC material, and the base 11 is a hard structure made of a PC material, which has the advantages of high impact strength, high wear resistance, environmental protection, and the like, so that the impact resistance and wear resistance of the film pasting device 10 are obviously improved, and the environmental pollution can be reduced while the service life of the film pasting device 10 is prolonged.

Referring to fig. 1 and fig. 2, in the present embodiment, a first distance w is provided between the first positioning element 121 and one end of the second positioning element 122 close to the top end 118₁A second distance w is provided between the first positioning element 121 and one end of the second positioning element 122 near the bottom 119₂First distance w₁Is greater than the second distance w₂First distance w₁At a second distance w₂Are respectively used for limiting and matching with the protective film. The first positioning element 121 and the second positioning element 122 may be respectively located on two opposite sides of the base 11 in the width direction. The first positioning element 121 and the second positioning element 122 are disposed at an interval, and can position the protective film from the width direction of the protective film. In addition, the first positioning element 121 and the second positioning element 122 may be respectively located on two opposite sides of the base 11 in the length direction.

In the embodiment, the first positioning element 121 and the second positioning element 122 are spaced relatively to define a positioning gap 13, and the positioning gap 13 can be used for protecting the filmAnd the protective film is positioned to accurately correspond to the position of the display screen to be pasted with the film, so that the protective film is prevented from being inclined during pasting with the film. In the present embodiment, the first positioning element 121 and the second positioning element 122 are respectively disposed on two opposite sides of the base 11 in the width direction, and it can be understood that the first distance w₁A second distance w₂To locate the width dimension of the gap 13. In other embodiments, the first positioning element 121 and the second positioning element 122 are respectively disposed on two opposite sides of the base 11 in the length direction, and it can be understood that the first distance w₁A second distance w₂May be the length dimension of the positioning gap 13. Following by a first distance w₁And a second distance w₂The width dimension of the positioning gap 13 is explained as an example:

in the present embodiment, the first distance w₁At one end of the positioning gap 13, by a second distance w₂At the other end of the positioning gap 13. Note that the first distance w₁May be equal to the width dimension of the protective film, the second distance w₂Slightly smaller than the width dimension of the protective film so that the first distance w₁And a second distance w₂Respectively with the spacing cooperation of protection film, the protection film can be fixed in location clearance 13, and the protection film can also be chucked in the less position of width size in location clearance 13 simultaneously to realize the location of pad pasting device 10 to the protection film, so that the protection film can carry out accurate counterpoint and laminating with the display screen.

The term "position-restricting engagement" means that the protective film disposed in the positioning gap 13 is held in the positioning gap 13 by the common position-restricting action of the first positioning member 121 and the second positioning member 122.

In some embodiments, the distance between the first positioning element 121 and the second positioning element 122 gradually decreases from the end close to the top end 118 to the bottom end 119, and when the first positioning element 121 and the second positioning element 122 are respectively disposed on two opposite sides of the base 11 in the width direction, it can be understood that the width dimension of the positioning gap 13 gradually decreases from the end close to the top end 118 to the bottom end 119. For convenience of illustration, the center line X1 is drawn, the center line X1 is substantially parallel to the longitudinal direction of the base 11, and the center line X1 may be a line of symmetry of the base 11. Specifically, the first positioning element 121 and the second positioning element 122 may be substantially symmetrically distributed along the center line X1, a first included angle is formed between the extending direction of the first positioning element 121 and the center line X1, a second included angle is formed between the extending direction of the second positioning element 121 and the center line X1, the first included angle and the second included angle may be substantially equal to each other, and both the first included angle and the second included angle are greater than 0 °, for example, both the first included angle and the second included angle may be less than or equal to 10 °.

In the present embodiment, the width dimension of one end of the positioning gap 13 is slightly smaller than the width dimension of the protective film, and the width dimension of the other end of the positioning gap 13 may be equal to the width dimension of the protective film. By gradually increasing the width of the positioning gap 13 from one end to the other end, not only is processing and manufacturing convenient, but also when the protective film is installed, the protective film is conveniently gradually clamped into the positioning gap 13. In one way of mounting the protective film, the user can smoothly snap the protective film into the film sticking device 10 from above the positioning gap 13. In another way of mounting the protective film, the user may put the protective film into the positioning gap 13 from the side with the larger width of the positioning gap 13, and then push the protective film toward the side with the smaller width of the positioning gap 13, so that the protective film is gradually clamped into the end with the smaller width of the positioning gap 13.

In some embodiments, as shown in fig. 1 and 2, the film sticking device 10 may further include a third positioning member 14, where the third positioning member 14 is located at one end or both ends of the base 11 in the length direction to position the protective film in the length direction. For example, the third positioning element 14 may be located at one end of the base 11 in the length direction, the number of the third positioning elements 14 may be one, two, or more than two, and when the number of the third positioning elements 14 is one, the third positioning element 14 may be a strip-shaped structure, and the strip-shaped structure may extend from a position close to the first positioning element 121 toward the direction of the second positioning element 122. When the number of the third positioning members 14 is two or more, two or more third positioning members 14 may be disposed side by side on the base 11. The third positioning element 14 can limit the position of the protective film in the length direction of the base 11, and the first positioning element 121 and the second positioning element 122 jointly limit the position of the protective film in the width direction of the base 11, so that the length and the width direction of the protective film can be limited, and the protective film can be accurately corresponding to the film pasting position of the display screen, so that the protective film can be accurately pasted on the display screen.

Referring to fig. 1 and 2, in some embodiments, the first positioning element 121 and the second positioning element 122 both include a first positioning portion 123 and a second positioning portion 124, and the first positioning portion 123 of the first positioning element 121 and the first positioning portion 123 of the second positioning element 122 are disposed adjacent to the top end 118 of the base 11 and jointly define a first distance w₁. The second positioning portion 124 of the first positioning member 121 and the second positioning portion 124 of the second positioning member 122 are disposed adjacent to the bottom end 119 of the base 11 and jointly define a second distance w₂. Due to the first distance w₁Is greater than the second distance w₂Therefore, the film sticking device 10 forms a gradually shrinking structure with a wide side and a narrow side, which not only can properly reduce the contact area between the protective film and the first positioning member 121 and the second positioning member 122, and is convenient for a user to detach and mount the protective film from the end with a large width, but also can clamp and position the protective film at the end with a small width, thereby ensuring that the protective film is smoothly clamped in the film sticking device 10. When the film is pasted, a user can extrude the film from the end with the small width to the end with the large width, so that air bubbles generated during pasting of the film are discharged, and the film is guaranteed to be pasted.

In the embodiment, referring to fig. 2, the first positioning portion 123 and the second positioning portion 124 both include a positioning sidewall 125 for positioning the protective film, and the positioning sidewall 125 contacts with the long edge of the protective film to position the protective film, so as to ensure the positioning accuracy of the protective film during film pasting. First location portion 123 and second location portion 124 are equipped with step portion 126 that is used for contacting with the display screen, and step portion 126 can be the angle setting with location lateral wall 125, and the angle can be roughly 90, and step portion 126 protrusion in the thickness that highly is more than or equal to the protection film of base 11 to during making the pad pasting, step portion 126 can be earlier than protection film and display screen contact location, and the display screen can not stand the horse and contact with the pad pasting like this, so that the user adjusts the position of display screen and/or pad pasting.

Referring to fig. 2, in the present embodiment, the first positioning portion 123 and the second positioning portion 124 both include a limiting plate 127 and a positioning flexible pad 128. The position-limiting plate 127 is fixed on the base 11 for limiting and positioning the flexible pad 128 and ensuring a fixed connection with the electronic device. The limiting plate 127 may be made of the same PC hard material as the base 11 to ensure its stability.

In this embodiment, the positioning flexible pad 128 is disposed on the inner side of the limiting plate 127, and the positioning sidewall 125 is disposed on a side of the positioning flexible pad 128 facing away from the limiting plate 127. The positioning flexible pad 128 may be made of an elastic material, such as an elastic rubber or silicone rubber. The top surface of the positioning flexible pad 128 is a step portion 126, specifically, the height of the positioning flexible pad 128 protruding from the base 11 is less than the height of the limiting plate 127 protruding from the base 11, and then the step portion 126 is formed on the top of the positioning flexible pad 128, and the step portion 126 can be understood as the top surface of the positioning flexible pad 128.

Specifically, when the pad pasting, step portion 126 can be earlier than the protection film and the display screen contact, the protection film does not bond with the display screen contact, the user can adjust the region that the protection film corresponds to the display screen earlier, treat to guarantee that the protection film aligns with the region of display screen completely the back, again to the protection film application of force, the flexible pad 128 deformation of location moves down for the protection film bonds and goes on the display screen, thereby realizes accurate pad pasting.

Referring to fig. 2 and 3, in the present embodiment, the positioning flexible pad 128 may be made of elastic rubber, so as to ensure that the top and the side of the positioning flexible pad 128 are easily deformed, and the positioning flexible pad is better contacted and matched with the long sides of the display screen and the protection film during film pasting, and meanwhile, the elastic rubber may also prevent the edge of the clamped protection film from being damaged. For convenience of illustration, the dashed line in fig. 3 shows the position of the protective film when the film sticking apparatus 10 is placed. When the protective film contacts the positioning flexible pad 128 during film pasting, the second distance w is used₂Less than the width dimension of protection film, location flexible pad 128 card is gone into the protection film to make the protection film fasten in location lateral wall 125, the user need not make the protection film be fixed in the pad pasting device with the help of the accessory of two-sided glue class during the pad pasting, also reduced the pollution of accessory to the environment when reducing the accessory cost.

It should be noted that the number of the positioning flexible pads 128 may be two, two positioning flexible pads 128 are respectively located at two ends of the base 11 in the width direction, the two positioning flexible pads 128 are arranged at an interval, one positioning flexible pad 128 may correspond to the two limiting plates 127 of the first positioning element 121, and the other positioning flexible pad 128 may correspond to the two limiting plates 127 of the second positioning element 122. Further, the position restricting plate 127 of each of the first positioning portions 123 and the second positioning portions 124 may correspond to a single one of the positioning flexible pads 128.

Referring to fig. 2, in some embodiments, the first positioning element 121 and the second positioning element 122 are slidably connected to the base 11, and the first positioning element 121 and the second positioning element 122 can move close to or away from each other. For example, the position limiting plate 127 of the first positioning member 121 and the position limiting plate 127 of the second positioning member 122 are slidably connected to the base 11, and the two members can be moved close to or away from each other substantially along the width direction of the base 11 to adjust the width dimension of the positioning gap 13, so that the positioning gap 13 can be adapted to the protection films with different width dimensions, thereby improving the applicability of the film sticking apparatus 10.

In some embodiments, the film sticking device 10 further comprises two resetting members (not shown), wherein one resetting member is connected to the first positioning member 121 and the base 11, and the other resetting member is connected to the second positioning member 122 and the base 11. The reset member resets the first positioning member 121 and the second positioning member 122. Illustratively, the first positioning portion 123 of the first positioning element 121 and the first positioning portion 123 of the second positioning element 122 are slidably connected to the base 11, and can move toward or away from each other, and each reset element is connected to the corresponding first positioning portion 123 and the base 11. The width dimension (i.e. the first distance w) between the first positioning portion 123 of the first positioning member 121 and the first positioning portion 123 of the second positioning member 122₁) When the size of the first positioning member 121 is too large, the two reset members can respectively act on the first positioning portion 123 of the first positioning member 121 and the first positioning portion 123 of the second positioning member 122 to properly adjust the distance therebetween, so that the two reset members can be reset to the position corresponding to the width of the protection film, thereby avoiding the first distance w₁The holding of the protective film is unstable due to the excessive size, and the protective film drops from the film sticking apparatus 10. Accordingly, the second positioning member 121The positioning portion 124 and the second positioning portion 124 of the second positioning member 122 are slidably connected to the base, and the two positioning portions can be close to or far away from each other, and each reset member is connected to the corresponding second positioning portion 124 and the base 11. A width dimension (i.e. the second distance w) between the second positioning portion 124 of the first positioning member 121 and the second positioning portion 124 of the second positioning member 122₂) When the distance between the first positioning part 121 and the second positioning part 124 of the second positioning part 122 is too small, the two reset parts can respectively act on the second positioning part 124 of the first positioning part 121 and the second positioning part 124 of the second positioning part 122 to properly adjust the distance between the two parts, so that the two parts are reset to the position corresponding to the width dimension of the protective film, and the situation that the distance w is not large due to the second distance w is avoided₂Too small results in the edges of the protective film being crushed or crushed.

Referring to fig. 2 and 4, in some embodiments, the base 11 is provided with an operation through hole 16, the operation through hole 16 is located between the first positioning element 121 and the second positioning element 122, and the operation through hole 16 facilitates a user to apply a force to the protective film, so that the protective film is better attached to the display screen. The through hole 16 may be a strip-shaped hole, the through hole 16 may extend along a length direction of the base 11, and the protective film may cover the through hole when the protective film is placed on the base 11. The length of the operation through hole 16 can be larger than or equal to that of the protective film, so that a user can apply force to the protective film in a large area, and the film can be attached comfortably. In addition, the length of the operation through hole 16 may be smaller than the length of the protection film, so that both ends of the protection film in the length direction can be supported on the base 11 respectively, so that the protection film can be better accommodated in the film sticking device 10.

In some embodiments, the width of the operation through hole 16 may be consistent everywhere, or the width of one end of the operation through hole 16 may be greater than the width of the other end, or the width of the middle of the operation through hole 16 may be smaller than the width of the end thereof, for example, the width of the middle of the operation through hole 16 is smaller than the widths of the two ends thereof, since the width of the middle of the operation through hole 16 is smaller, it is beneficial to increase the contact area between the protection film and the base, it is beneficial to the base 11 to support the protection film, and meanwhile, since the widths of the two ends of the operation through hole 16 are larger, the force-bearing areas at the two ends of the protection film are increased, and air bubbles between the protection film and the display screen are easily discharged. Thus, when the film is attached, the user can operate the narrow middle position of the through hole 16 to apply force to the protective film towards the wide positions at the two ends, and the protective film and the display screen can be attached better while air bubbles are discharged.

When the film is pasted, a user firstly presets the position of the protective film through the step part 126, then presses the protective film onto the display screen through the operation through hole 16 from the back of the base 11, and applies a pressing force to the protective film from the narrower end of the positioning gap 13 to the wider end of the positioning gap 13 through the operation through hole 16, so that air bubbles between the protective film and the display screen are discharged, and the pasted film is made to be fitted.

In some embodiments, referring to fig. 4, the back of the base 11 (i.e. the surface of the base 11 away from the first positioning element 121 and the second positioning element 122) is provided with a plurality of anti-slip portions 111, the plurality of anti-slip portions 111 are disposed at intervals on the back of the base 11, the anti-slip portions 111 may include a groove and/or a protrusion, and the protrusion may be an elastic structure. The plurality of non-slip portions 111 may be arranged in a pattern that increases the friction on the back of the film attachment device 10 while also providing an aesthetic appearance to the film attachment device 10. When a user places the film sticking device 10 on the bearing surface, the anti-slip part 111 can prevent the film sticking device 10 from easily sliding, so that the user can conveniently place a protective film and electronic equipment on the film sticking device 10, and meanwhile, when the user holds the film sticking device 10 by hand, the anti-slip part on the back of the base 11 can increase the friction force between the film sticking device 10 and the hand of the user, so that the film sticking device 10 is prevented from easily sliding.

In one film attachment method, as shown in fig. 2, 5 and 6, specifically, the user can select the first distance w from the side of the positioning gap 13 having the larger width dimension₁The protective film is inserted and then the second distance w is set toward the side of the positioning gap 13 with smaller width₂The protective film may be pushed in, or the entire protective film may be directly placed in the positioning gap 13 formed by the first positioning member 121 and the second positioning member 122 from directly above the positioning gap 13. The end of the positioning sidewall 125 with smaller width plays a role of clamping the protective film, and the protective film is clamped on the positioning member by the first positioning member 121, the second positioning member 122 and the third positioning member 14The side wall 125 due to the second distance w₂A dimension smaller than the width of the protective film, the protective film being at a second distance w₂The position of the protective film is clamped, so that the protective film is completely accommodated and clamped in the film sticking device 10, wherein the adhesive layer of the protective film can face upwards. The display screen of the electronic device faces downwards, the electronic device is placed on the step portion 126, after the display screen of the electronic device completely corresponds to the protective film, a user can attach the protective film to the display screen through the operation through hole 16 from the back of the base 11, or can directly press the back of the electronic device, the electronic device moves downwards through the deformation of the positioning flexible pad 128, and therefore the display screen of the electronic device is bonded with the protective film.

In conclusion, the film pasting device 10 that this application provided, the location clearance 13 that forms through first setting element 121 and second setting element 122 interval is fixed a position the protection film, make the protection film easily fix on film pasting device 10, the protection film tenesmus causes the protection film not to correspond with the pad pasting position with the quick laminating of display screen when avoiding the pad pasting, the pad pasting is crooked, the protection film need not just can be fixed in film pasting device 10 with the help of the auxiliary member of two-sided adhesive class simultaneously, the simple structure of film pasting device 10, and convenient for operation also can reduce the pollution of auxiliary member to the environment when reducing the auxiliary member cost.

Further, the width of the positioning gap 13 is gradually increased from one end of the positioning gap to the other end of the positioning gap to form a gradually shrinking structure with one wide side and one narrow side, so that the contact area between the protective film and the first positioning element 121 and the contact area between the protective film and the second positioning element 122 can be properly reduced, a user can conveniently assemble and disassemble the protective film from the end with the large width, and meanwhile, the end with the small width can clamp and position the protective film, so that the protective film can be smoothly clamped in the film sticking device 10. When the film is pasted, a user can extrude the film from the end with the small width to the end with the large width, so that air bubbles generated during pasting of the film are discharged, and the film is guaranteed to be pasted.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. A film laminating apparatus, comprising:

the base comprises a top end, a bottom end and two opposite side edges positioned between the top end and the bottom end;

set up in the relative both sides limit of base and towards keeping away from base bellied first setting element and second setting element, first setting element with the second setting element is close to have a first distance between the one end on top, first setting element with the second setting element is close to have a second distance between the one end of bottom, first distance is greater than the second distance.

2. The film sticking device as recited in claim 1, wherein the first positioning member and the second positioning member each comprise a first positioning portion and a second positioning portion, the first positioning portion of the first positioning member and the first positioning portion of the second positioning member being disposed adjacent to the top end and together defining the first distance;

the second positioning part of the first positioning piece and the second positioning part of the second positioning piece are arranged adjacent to the bottom end, and the second distance is defined together.

3. The film sticking device as claimed in claim 2, wherein the first positioning portion and the second positioning portion each comprise a positioning side wall for positioning a protective film, the first positioning portion and the second positioning portion are provided with a step portion for contacting with a display screen, and the height of the step portion protruding from the base is greater than or equal to the thickness of the protective film.

4. The film laminating device according to claim 3, wherein the first positioning portion and the second positioning portion each include a limiting plate and a positioning flexible pad, the limiting plate is fixedly disposed on the base, the positioning flexible pad is disposed on an inner side of the limiting plate, the positioning side wall is disposed on a side of the positioning flexible pad away from the limiting plate, and a top surface of the positioning flexible pad is the stepped portion.

5. The film sticking device as recited in claim 1, wherein a distance between the first positioning member and the second positioning member is gradually reduced from an end close to the top end toward the bottom end.

6. The film pasting device as claimed in claim 1, wherein the back of the base is provided with a plurality of anti-slip portions, and the plurality of anti-slip portions are arranged at intervals on the back of the base.

7. The film laminating device according to claim 1, wherein the base is provided with an operation through hole, and the operation through hole is located between the first positioning member and the second positioning member.

8. The film laminating device of claim 7, wherein the operation through hole extends along the length direction of the base.

9. The film pasting device of claim 1, wherein the first positioning piece and the second positioning piece are respectively located at two ends of the base in the width direction, and the film pasting device further comprises a third positioning piece located at the bottom end or the top end.