Film pasting device

Abstract

The utility model discloses a film pasting device which is used for assisting in pasting a protective film on a product and comprises a base, a supporting protrusion arranged on the base and used for supporting the product and an avoiding groove used for avoiding a camera of the product, and a first positioning structure and a second positioning structure which are used for positioning the protective film are arranged at the two ends of the base respectively. The film pasting device comprises a base, side walls are arranged on the two side edges of the base in a protruding mode, supporting faces are arranged on the upper surfaces of the side walls, the film pasting device further comprises a rolling shaft structure used for pressing a protective film, the rolling shaft structure comprises a rolling shaft base arranged on the side walls in a crossing mode and a rolling shaft installed on the rolling shaft base, and extending parts are arranged on the two sides of the rolling shaft base in an outwards-protruding mode. The extending part reciprocates between the two ends of the base and is slidably arranged on the supporting face, and the rolling shaft is used for assisting in pressing the protective film downwards and attaching the protective film to a screen of a product.

Description

TECHNICAL FIELD

[0001] The utility model relates to product film pasting field, especially a film pasting device. BACKGROUND

[0002] Electronic products have entered more and more into the life of consumers, especially products, tablet computers and other products. With the consumers' love and deeper protection consciousness of electronic products, consumers usually paste protective films on the screens of products and tablet computers to prevent scratches on the screens or screen breakage caused by falling of products and tablet computers.

[0003] Because the product film pasting price of the shop front is expensive, consumers usually choose to paste protective films by themselves. At present, consumers usually buy protective films by themselves and then operate according to the visual alignment mode to paste the protective films on the screens. However, the visual alignment mode mostly causes inaccurate alignment and leads to the fact that the protective films cannot completely cover the screens, so that new protective films need to be replaced for re-pasting, resulting in waste of protective films and great inconvenience to consumers. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a film pasting device which can not only realize accurate alignment of the protective film and the screen of the product, but also uniformly press the protective film through the roller structure to prevent air bubbles.

[0005] The utility model provides a film pasting device for assisting product pasting of protective films, which comprises a base, support protrusions arranged on the base for supporting the product, and avoiding grooves for avoiding the camera of the product, first and second positioning structures for positioning the protective film are arranged at both ends of the base, side walls are arranged on both side edges of the base, a support surface is arranged on the upper surface of the side wall, the film pasting device further comprises a roller structure for pressing the protective film, the roller structure comprises roller seats arranged across both side walls and rollers mounted on the roller seats, extension parts are arranged outward on both sides of the roller seat, the extension parts slide between the two ends of the base and are arranged on the support surface, and the rollers are used for assisting the protective film to be pressed downward and pasted on the screen of the product.

[0006] Further, the inner side wall of the extension part is concavely provided with a mounting groove, and an elastic limiting piece is mounted in the mounting groove, the free end of the elastic limiting piece extends towards the extension part on the other side, the lower surface of the elastic limiting piece is provided with an abutting protrusion matched with the abutting surface of the second positioning structure, the elastic limiting piece is located between the screen of the product and the protective film before the roller presses the screen of the product at a certain position, and when the elastic limiting piece contacts the second positioning structure, the abutting protrusion abuts on the abutting surface to make the free end of the elastic limiting piece elastically deform upwards.

[0007] Further, the support surface has a first support surface and a second support surface arranged horizontally, and a third support surface arranged obliquely between the first support surface and the second support surface, and when the roller structure slides to the second support surface, the roller abuts against the protective film.

[0008] Further, the two side walls of the base are outwardly convexly provided with guide rails, the extension direction of the guide rails is consistent with the extension direction of the support surface, and the inner wall of the extension part is convexly provided with a limiting boss, and when the roller seat slides along the support surface, the limiting boss is located below the guide rail.

[0009] Further, the first positioning structure is obliquely provided with a guide surface at the end away from the second positioning structure, the inclination angle of the guide surface is the same as that of the second support surface, and when the film is pasted, the roller seat enters the third support surface along the second support surface to drive the roller to slide along the guide surface to the upper surface of the protective film and abut against the protective film.

[0010] Further, the film pasting device is rotationally connected with an upper cover at one end of the base close to the first positioning structure, the lower surfaces of the two sides of the upper cover are provided with abutting surfaces for abutting against the extension part of the roller seat, an activity space for the extension part is arranged between the abutting surfaces and the support surface, the abutting surfaces have a first abutting surface and a second abutting surface, and a third abutting surface arranged obliquely between the first abutting surface and the second abutting surface, when the upper cover is covered on the base, the first abutting surface and the second abutting surface are arranged horizontally, and the inclination angle of the third abutting surface is the same as that of the third support surface.

[0011] Further, the upper cover is provided with an avoiding space for avoiding the roller seat along the length direction of the product, the roller seat is provided with a holding part, the holding part is movably arranged in the avoiding space, the upper cover is provided with a locking platform at one end of the first positioning structure, the lower part of the holding part is provided with a locking surface, and the roller seat is fixed on the upper cover by abutting the locking surface of the roller seat against the locking platform and abutting the extension part against the first abutting surface.

[0012] Further, at least one side of the roller seat is concavely provided with a locking groove with an opening facing the second positioning structure, and the inner side wall of the upper cover at one end of the second positioning structure is convexly provided with a locking protrusion corresponding to the locking groove, and the roller seat is fixed on the upper cover by clamping the locking protrusion in the locking groove.

[0013] Further, the extension part is transversely provided with a waist-shaped hole extending along the vertical direction, the support shaft at the end of the roller is movably arranged in the waist-shaped hole, and the inner side wall of the upper cover is convexly provided with a pressing part for abutting against the support shaft of the roller along the length direction of the product, the pressing part has a first pressing part and a second pressing part, and a third pressing part is arranged in an arc shape between the first pressing part and the second pressing part, and when the support shaft is below the second pressing part in the horizontal direction, the support shaft is at the low position of the waist-shaped hole in the vertical direction.

[0014] Further, the second positioning structure is movably arranged on the base, and the second positioning structure is provided with a guide part for adjusting the product in the width direction of the product near one side of the first positioning structure, and the guide part is outwardly inclined from the second positioning structure in an eight-shaped manner.

[0015] The film pasting device can not only realize accurate alignment of the protective film and the screen of the product, but also uniformly press the protective film through the roller structure to prevent bubbles from being generated, and greatly improve the quality and efficiency of pasting the protective film on the product. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the film pasting device of the first embodiment of the utility model.

[0017] Figure 2 It is a perspective view of the film pasting device of the first embodiment of the utility model. Figure 1 It is a perspective view of the film pasting device of the first embodiment of the utility model.

[0018] Figure 3 It is a perspective view of another embodiment of the base of the utility model.

[0019] Figure 4The utility model discloses a three-dimensional view of the roller structure.

[0020] Figure 5 The utility model discloses a three-dimensional view of the second embodiment of the film pasting device.

[0021] Figure 6 For Figure 5 The utility model discloses a three-dimensional exploded view of the film pasting device.

[0022] Figure 7 The utility model discloses a three-dimensional view of the first embodiment of the film pasting device.

[0023] Figure 8 For Figure 7 The utility model discloses a three-dimensional exploded view of the film pasting device.

[0024] Figure 9 For Figure 7 The utility model discloses a three-dimensional view of the film pasting device.

[0025] Figure 10 For Figure 7 The utility model discloses a three-dimensional view of the base.

[0026] Figure 11 For Figure 7 The utility model discloses a three-dimensional view of the upper cover. Specific embodiment

[0027] The utility model discloses a three-dimensional view of the first embodiment of the film pasting device.

[0028] The utility model discloses a three-dimensional view of the first embodiment of the film pasting device.

[0029] The utility model discloses a three-dimensional view of the first embodiment of the film pasting device.

[0030] Embodiment one:

[0031] Please refer to Figures 1-4The utility model discloses a kind of film pasting devices for assisting product to paste protective film, protective film includes the protective film layer of sequentially adhering from top to bottom, toughened film layer and release film layer, and the release film layer is connected with pull strip, the film pasting device includes base 10, the support protrusion 12 for supporting the product for being set on the base 10 and the avoidance groove 13 for avoiding the camera of the product, the base 10 is along the length direction of product Two ends are respectively provided with first positioning structure 15 and second positioning structure 18 for positioning protective film, the two side edges of the base 10 are provided with side wall 11, the upper surface of the side wall 11 is provided with support surface 111, the film pasting device further includes roller structure for pressing the protective film, the roller structure includes the roller seat 30a across being arranged on the side wall 11 and the roller 40 being installed on the roller seat 30a, the two sides of the roller seat 30a are outwardly provided with extension 32a, the extension 32a reciprocates between the two ends of the base 10 And be slidably arranged on the support surface 111, the roller 40 is used to assist the protective film to be pressed down and adhere to the screen of the product.

[0032] Further, the inner side wall of the extension 32a is concavely provided with mounting groove 37a, and the elastic limiting piece 38a is mounted in the mounting groove 37a, and the free end 381a of the elastic limiting piece 38a extends towards the extension 32a of the other side.

[0033] The elastic limiting piece 38a is located between the screen of the product and the protective film before the roller 40 is pressed to a certain position of the screen of the product, to prevent the screen of the product from being adhered to the protective film and causing air trapping before the roller 40 is pressed down to the screen of the product.

[0034] In this embodiment, the elastic limiting piece 38a is horizontally arranged, and in other embodiments, the elastic limiting piece 38a can have a bending structure or an arc shape to be arranged, so that the elastic limiting piece 38a is located between the screen of the product and the protective film before the roller 40 is pressed to a certain position of the screen of the product, without particular limitation.

[0035] In this application, the elastic limiting piece 38a is detachably arranged on the roller seat 30a, and different models of the elastic limiting piece 38a can be installed according to different products, so that one film pasting device can be adapted to multiple models of products, which can effectively avoid the problem that one film pasting device can only be used for one product. By opening different models of the elastic limiting piece 38a, the cost of opening the film pasting device can also be greatly saved.

[0036] Please refer to Figure 2The lower surface of the extension 32a is concavely provided with a sliding groove 36a, and the support surface 111 of the side wall 11 is located in the sliding groove 36a and abuts against the groove bottom wall of the sliding groove 36a.

[0037] Please refer to Figure 1 In detail, the support surface 111 is provided with a first support surface 1111 and a second support surface 1113 arranged horizontally, and a third support surface 1112 arranged obliquely between the first support surface 1111 and the second support surface 1113. When the roller seat 30a of the roller structure slides to the front of the second support surface 1113, the elastic limiting piece 38a is located between the product and the protective film to prevent the protective film from being combined with the screen of the product in advance, thereby affecting the film pasting effect. When the roller seat 30a of the roller structure slides to the second support surface 1113, the roller 40 abuts against and provides a downward pressing force on the protective film to combine the protective film to the screen of the product.

[0038] Please continue to refer to Figure 2 The first positioning structure 15 is provided with a guide surface 154 obliquely arranged at one end away from the second positioning structure 18, and the oblique angle of the guide surface 154 is the same as that of the second support surface 1113. When pasting the film, the roller seat 30a enters the third support surface 1112 along the second support surface 1113 to drive the roller 40 to slide along the guide surface 154 to the upper surface of the protective film and abut against the protective film. One side of the first positioning structure 15 towards the second positioning structure 18 is provided with a first positioning surface 151 for positioning one end of the product, and one end of the second positioning structure 18 towards the first positioning structure 15 is provided with a second positioning surface 187 for positioning the other end of the product. The first positioning surface 151 and the second positioning surface 187 together position the product in the length direction of the product, and the base 10 is provided with a third positioning structure 14 on both sides in the width direction of the product, which is used for positioning the product in the width direction of the product.

[0039] Further, the upper surface of the first positioning structure 15 is provided with at least one first positioning column 152 for positioning one end of the protective film, the upper surface of the second positioning structure 18 is provided with two second positioning columns 182 for positioning the other end of the protective film, and a positioning groove 181 for positioning the pull strip of the protective film is arranged between the two second positioning columns 182, and the pull strip is pulled out of the protective film by the positioning groove 181 to realize the contact between the protective film and the screen of the product. The second positioning structure 18 is further provided with a gap 183 below the second positioning column 182, and when the width of the pull strip is greater than the positioning groove 181, the pull strip can be smoothly pulled out through the gap 183.

[0040] The first positioning structure 15 is further rotationally connected with a positioning pressing plate 20, and the positioning pressing plate 20 is used to cover the first positioning structure 15 to effectively prevent the end of the protective film from being separated from the first positioning structure 15 when the protective film needs to be turned over. More specifically, the two sides of the first positioning structure 15 are provided with first rotating shafts 153, the positioning pressing plate 20 is provided with first shaft holes 23 corresponding to the first rotating shafts 153, when the positioning pressing plate 20 is installed on the first positioning structure 15, the first rotating shafts 153 are located in the first shaft holes 23, the positioning pressing plate 20 is provided with first openings 21 corresponding to the first positioning columns 152, when the positioning pressing plate 20 covers the first positioning structure 15, the first positioning columns 152 are located in the first openings 21, and in this embodiment, the diameter of the first opening 21 is greater than the diameter of the first positioning column 152.

[0041] More specifically, the positioning pressing plate 20 is further provided with an inclined surface 22 arranged in parallel with the guide surface 154, when the positioning pressing plate 20 covers the first positioning structure 15, the roller 40 can slide along the inclined surface 22 to the upper surface of the protective film. The side of the first positioning structure 15 facing the second positioning structure 18 is further concave with an operation groove 155, the positioning pressing plate 20 is provided with a holding groove 25 corresponding to the operation groove 155, when the positioning pressing plate 20 needs to be turned over, the positioning pressing plate 20 can be turned around the first rotating shaft 153 by pushing or pulling it upwards in the holding groove 25 in the space of the operation groove 155.

[0042] Further, the base 10 is recessed with a receiving groove 16 on the side of the first positioning structure 15 away from the second positioning structure 18, when the roller structure is in the initial position, the roller seat 30a is above the receiving groove 16 and at least part of the roller 40 is received in the receiving groove 16. And the receiving groove 16 is in the horizontal extension area of the first support surface 1111, when it is necessary to slide the roller seat 30a, the downward pressing force of the roller seat 30a towards the bottom wall direction of the receiving groove 16 keeps the film sticking device fixed on the workbench surface at all times, and it will not be moved or shaken due to the pushing or pulling of the roller seat 30a.

[0043] When the embodiment is used,

[0044] Firstly, the roller structure is moved to the initial position, the product is placed on the support protrusion 12, the two ends are respectively abutted on the first positioning surface 151 and the second positioning surface 187, and the two side edges are abutted on the third positioning structure 14, and the camera of the product is in the avoiding groove 13, at this time, the product positioning is completed;

[0045] Then, the positioning pressing plate 20 is turned up, one end of the protective film is positioned on the first positioning column 152 of the first positioning structure 15, and the positioning pressing plate 20 is rotated downward to cover the first positioning structure 15, at this time, one end of the protective film is clamped between the positioning pressing plate 20 and the first positioning structure 15, and the other end of the protective film is positioned on the second positioning column 182 of the second positioning mechanism 18 to complete the positioning of the protective film on the base 10, at this time, the protective film is aligned with the screen of the product and is arranged in the interval between the protective film and the screen of the product;

[0046] Then, the pull strip in the positioning groove 181 is pulled out, the pull strip drives the release film layer to pull out along the positioning groove 181 and / or the gap 183 to make the release film layer of the protective film separate from the tempered film layer;

[0047] Finally, the handle 31a of the roller seat 30a is pushed to move towards the second positioning structure 18, when the roller seat 30a moves from the first supporting surface 1111 to the third supporting surface 1112, the roller 40 moves out of the containing groove 16, when the roller seat 30a moves from the third supporting surface 1112 to the second supporting surface 1113, the roller 40 moves along the inclined surface 22 of the positioning pressing plate 20 to press the protective film downwards, when the roller seat 30a moves along the second supporting surface 1113 towards the second positioning structure 18, the roller 40 sequentially presses the protective film from one end to the other end of the product, finally, the tempered film layer of the protective film is completely attached to the screen of the product, the positioning pressing plate 20 is turned upwards, the protective film layer of the protective film is torn from the tempered film layer, the product is pushed upwards through the through hole 17 of the base 10 and taken out from the base 10, thus, the operation of attaching the protective film is completed.

[0048] Embodiment two:

[0049] Please refer to Figures 3-6 The utility model discloses a kind of film attaching devices, its structure is substantially same with embodiment one, difference lies in: the second positioning structure 18.

[0050] In the embodiment, the free end 381a lower surface of the elastic limiting piece 38a is equipped with abutting projection 382a matched with the abutting surface 188 of the second positioning structure 18, the elastic limiting piece 38a is located between the screen of the product and the protective film before the roller 40 is pressed to the screen of the product in a certain position, when the elastic limiting piece 38a contacts with the second positioning structure 18, the abutting projection 382a is abutted on the abutting surface 188, so that the free end 381a of the elastic limiting piece 38a is elastically deformed upwards.When the elastic limiting piece 38a is away from the abutting surface 188 of the second positioning structure 18, the abutting projection 382a is abutted on the upper surface of the screen of the mobile phone or the protective film.

[0051] In the embodiment, the second positioning mechanism 18 is movably arranged on the base 10 in the length direction of the product, and the upper surface of the second positioning mechanism 18 is provided with two second positioning columns 182, and a positioning groove 181 is arranged between the two second positioning columns 182, the positioning groove 181 is used for positioning the pull strip of the protective film, and the pull strip is pulled out of the protective film through the positioning groove 181 to realize the contact between the protective film and the screen of the product. The second positioning mechanism 18 is further provided with a gap 183 below the second positioning column 182, and when the width of the pull strip is greater than the positioning groove 181, the pull strip can be smoothly pulled out through the gap 183.

[0052] The second positioning mechanism 18 is provided with a guide portion 184 near one side of the first positioning mechanism 15 for adjusting the product in the width direction of the product, and the guide portion 184 is arranged outwardly inclined in a figure-eight shape from the second positioning mechanism 18. The two sides of the second positioning mechanism 18 are provided with sliding protrusions 185, and the sliding protrusions 185 are provided with limiting protrusions 186, and the base 10 is provided with sliding grooves 110 corresponding to the sliding protrusions 185, and when the second positioning mechanism 18 is installed on the base 10, the sliding protrusions 185 are slidably arranged in the sliding grooves 110.

[0053] Further, the inner side wall of the base 10 is further provided with an abutting portion 115 for abutting against the side edge of the second positioning mechanism 18, and when the second positioning mechanism 18 slides on the base 10, the abutting portion 115 abuts against the second positioning mechanism 18 to ensure that the second positioning mechanism 18 slides along the length direction of the product.

[0054] The two side walls 11 of the base 10 are outwardly provided with guide rails 116, and the extension direction of the guide rails 116 is consistent with the extension direction of the support surface 111. Further, the inner wall of the extension portion 32a is provided with a limiting boss 321a, and when the roller shaft seat 30a slides along the support surface 111, the limiting boss 321a is located below the guide rail 116 and is used for positioning and guiding the roller shaft seat 30.

[0055] When the embodiment is used,

[0056] Firstly, the roller shaft structure moves in the initial position, the product is placed on the support protrusion 12, the camera of the product is located in the avoiding groove 13, the second positioning mechanism 18 is slid in the direction of the first positioning mechanism 15, and the product is adjusted in the width direction of the product through the guide portion 184, and at this time, the product positioning is completed.

[0057] Next, the positioning plate 20 is turned up, one end of the protective film is positioned on the first positioning column 152 of the first positioning structure 15, and the positioning plate 20 is rotated down to cover the first positioning structure 15, at this time, one end of the protective film is clamped between the positioning plate 20 and the first positioning structure 15, and the other end of the protective film is positioned on the second positioning column 182 of the second positioning structure 18 to complete the positioning of the protective film on the base 10, at this time, the protective film is aligned with the screen of the product and is arranged in a spaced manner with the screen of the product;

[0058] Then, the pull strip located in the positioning groove 181 is pulled, the pull strip drives the release film layer to pull out along the positioning groove 181 and / or the gap 183 to separate the release film layer from the tempered film layer of the protective film;

[0059] Finally, the holding part 31a of the roller seat 30a is pushed to move towards the second positioning structure 18, when the roller seat 30a moves from the first supporting surface 1111 to the third supporting surface 1112, the roller 40 moves out of the containing groove 16, when the roller seat 30a moves from the third supporting surface 1112 to the second supporting surface 1113, the roller 40 moves to the protective film along the inclined surface 22 of the positioning plate 20 and presses the protective film down, at this time, the tempered film layer of the protective film is in contact with the screen of the product, when the roller seat 30a moves along the second supporting surface 1113 towards the second positioning structure 18, the roller 40 sequentially presses the protective film from one end to the other end of the product, finally, the tempered film layer of the protective film is completely attached to the screen of the product, the positioning plate 20 is turned up, the protective film layer of the protective film is torn from the tempered film layer, and the product is taken out from the base 10, thus, the protective film attaching operation is completed.

[0060] Embodiment three:

[0061] Please refer to Figures 7-11 The utility model discloses a kind of film sticking devices, its structure is substantially same with embodiment one, difference lies in: the roller structure and the film sticking device of this embodiment further include upper cover 50.

[0062] Wherein, please refer to Figure 6 And Figure 7More specifically, the end of the extension 32 of the roller seat 30 is provided with a clamping end 34, which extends horizontally and outwardly, and is located between the support surface 111 and the abutting surface 51 when the upper cover 50 is closed on the base 10. More specifically, the inner side wall of the extension 32 is provided with a mounting groove 37, and a resilient limiting piece 38 is mounted in the mounting groove 37, with the free end 381 of the resilient limiting piece 38 extending toward the other extension 32. More specifically, the free end 381 of the resilient limiting piece 38 is provided with an inclined angle or arc-shaped recess for matching the product.

[0063] Referring to Figure 7 and Figure 8 , the film pasting device is rotatably connected to the upper cover 50 at one end of the base 10 close to the first positioning structure 15. More specifically, the base 10 and the upper cover 50 are respectively provided with a rotating groove 112 and a connecting lug 53 at the connection, and the rotating groove 112 is provided with a second shaft hole 113, and the inner wall of the connecting lug 53 is provided with a second rotating shaft 531. When the upper cover 50 is mounted on the base 10, the second rotating shaft 531 is arranged in the second shaft hole 113, and the lower surface of the two sides of the upper cover 50 is provided with an abutting surface 51 for abutting against the extension 32 of the roller seat 30. The abutting surface 51 and the support surface 111 are provided with a movement space for the movement of the extension 32, and the abutting surface 51 has a first abutting surface 511 and a second abutting surface 513, and a third abutting surface 512 arranged obliquely between the first abutting surface 511 and the second abutting surface 513. When the upper cover 50 is closed on the base 10, the first abutting surface 511 and the second abutting surface 513 are arranged horizontally, and the inclination angle of the third abutting surface 512 is the same as that of the third support surface 1112.

[0064] More specifically, the upper cover 50 is provided with an avoiding space 52 for avoiding the roller seat 30 along the length direction of the product, and the roller seat 30 is provided with a holding portion 31 movably arranged in the avoiding space. The upper cover 50 is provided with a locking platform 54 at one end of the first positioning structure 15, and the lower part of the holding portion 31 is provided with a locking surface 311. By abutting the locking surface 311 of the roller seat 30 against the locking platform 54 and abutting the extension 32 against the first abutting surface 511, the roller seat 30 can be fixed on the upper cover 50, so as to prevent the roller seat 30 and the roller 40 from falling off from the upper cover 50 and the base 10 when the upper cover 50 is opened.

[0065] When the locking surface 311 of the holding portion 31 is clamped in the locking platform 54 of the upper cover 50, the upper surface of the holding portion 31 is in the same plane as the upper surface of the upper cover 50 or the upper surface of the holding portion 31 is slightly lower than the upper surface of the upper cover 50.

[0066] Please refer to Figure 8 and Figure 11 At least one side of the roller seat 30 is recessed with a locking groove 35 which is open towards the second positioning structure 18, and the inner side wall of the upper cover 50 at one end of the second positioning structure 18 is protruded with a locking protrusion 56 corresponding to the locking groove 35. When the roller seat 30 slides to the end of the upper cover 50 located in the second positioning structure 18, the roller seat 30 can be fixed on the upper cover 50 by clamping the locking protrusion 56 in the locking groove 35, so as to prevent the roller seat 30 and the roller 40 from falling off from the upper cover 50 when the roller structure slides to the end of the second positioning structure 18 and the upper cover 50 is opened.

[0067] Please continue to refer to Figure 8 The inner side wall 11 of the upper cover 50 at one end of the second positioning structure 18 is protruded with a tongue plate 55, and the inner side wall 11 of the tongue plate 55 is protruded with a clamping portion 551. The base 10 is recessed with a clamping groove 114 corresponding to the clamping portion 551. When the upper cover 50 covers the base 10, the clamping portion 551 is clamped in the clamping groove 114 to fix the upper cover 50 on the base 10.

[0068] Please refer to Figure 11 The extension portion 32 is transversely provided with a waist-shaped hole 33 extending in the vertical direction. The support shaft 41 at the end of the roller 40 is arranged in the waist-shaped hole 33 and can slide up and down along the waist-shaped hole 33. The inner side wall 11 of the upper cover 50 is protruded with a pressing portion 58 for abutting against the support shaft 41 of the roller 40 along the length direction of the product. The pressing portion 58 has a first pressing portion 581 and a second pressing portion 583, and a third pressing portion 582 arranged in an arc shape between the first pressing portion 581 and the second pressing portion 583. When the support shaft 41 is below the second pressing portion 583 in the horizontal direction, the support shaft 41 is at the low position of the waist-shaped hole 33 in the vertical direction.

[0069] Further, the outer side surface of the two side walls of the upper cover 50 is protruded with a side ledge 59 corresponding to the pressing portion 58. In this embodiment, the side ledge 59 is arranged and corresponds to the pressing portion 58, which is beneficial to facilitate the pressing portion 58 to be machined to the best accuracy during the manufacturing process of the upper cover 50, and the appearance design is also more attractive.

[0070] In this embodiment, by setting the waist-shaped hole 33, the roller shaft 40 can also be conveniently installed on the roller shaft seat 30. When installing the roller shaft 40, the roller shaft 40 can be inclined to make the support shaft 41 at one end first clamped into the lower end of the waist-shaped hole 33 on one side of the roller shaft seat 30, and the support shaft 41 at the other end of the roller shaft 40 is correspondingly clamped into the upper end of the waist-shaped hole 33 on the other side of the roller shaft seat 30, so that the support shaft 41 on both sides of the roller shaft 40 is correspondingly clamped into the waist-shaped hole 33 on both sides of the roller shaft seat 30.

[0071] In use of this embodiment,

[0072] First, the upper cover 50 is turned around the second rotating shaft 531, at this time the roller shaft structure is located at one end of the upper cover 50 close to the locking platform 54 and the roller shaft seat 30 is clamped on the locking platform 54, the product is placed on the support protrusion 12, the two ends of which are respectively abutted against the first positioning surface 151 and the second positioning surface 187, and the two side edges thereof are abutted against the third positioning structure 14, and the camera of the product is located in the avoiding groove 13, at this time the product positioning is completed;

[0073] Then, the positioning pressing plate 20 is turned upward, one end of the protective film is positioned on the first positioning column 152 of the first positioning structure 15, and the positioning pressing plate 20 is rotated downward to cover the first positioning structure 15, at this time one end of the protective film is clamped between the positioning pressing plate 20 and the first positioning structure 15, and the other end of the protective film is positioned on the second positioning column 182 of the second positioning mechanism 18 to complete the positioning of the protective film on the base 10, at this time the protective film is aligned with the screen of the product and is spaced apart from the screen of the product, the upper cover 50 is turned downward to cover the base 10 and is clamped in the clamping groove 114 by the clamping part 551 to fix the upper cover 50 on the base 10;

[0074] Then, the pull strip located in the positioning groove 181 is pulled out, the pull strip drives the release film layer to pull out along the positioning groove 181 and / or the gap 183 to make the release film layer of the protective film separate from the tempered film layer;

[0075] Finally, the handle 31 of the roller seat 30 is pushed back and forth in the direction of the first positioning structure 15 and the second positioning structure 18, the clamping end 34 is located between the support surface 111 and the abutting surface 51 and slides, and in the sliding process, the upper and lower surfaces of the clamping end 34 keep in contact with the abutting surface 51 and the support surface 111, when the roller seat 30 moves from the first support surface 1111 to the third support surface 1112, the roller 40 moves out of the containing groove 16, when the roller seat 30 moves from the third support surface 1112 to the second support surface 1113, the roller 40 moves to the protective film along the inclined surface 22 of the positioning pressing plate 20 and presses the protective film downward, the tempered film layer of the protective film is in contact with the screen of the product, when the roller seat 30 moves along the second support surface 1113 to the second positioning structure 18, the roller 40 sequentially presses the protective film from one end to the other end of the product, finally the tempered film layer of the protective film is completely attached to the screen of the product, the upper cover 50 is opened through the notching groove 57 of the upper cover 50, then the positioning pressing plate 20 is turned upward, the protective film layer of the protective film is torn from the tempered film layer, and the product is pushed upward through the through hole 17 of the base 10 and taken out from the base 10, thus, the protective film attaching action is completed.

[0076] The film attaching device of the utility model not only can realize accurate alignment of the protective film and the screen of the product, but also can prevent bubbles from being generated by uniformly pressing and combining the protective film through the roller structure, and greatly improves the quality and efficiency of the product protective film.

[0077] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A film pasting device for assisting a product in pasting a protective film, comprising a base, a supporting protrusion arranged on the base for supporting the product, and an avoiding slot for avoiding a camera of the product, two ends of the base are respectively provided with a first positioning structure and a second positioning structure for positioning the protective film, characterized in that: The two side edges of the base are provided with side walls, and upper surfaces of the side walls are provided with support surfaces. The film pasting device further comprises a roller structure for pressing the protective film, the roller structure comprising a roller seat arranged across the two side walls and a roller mounted on the roller seat. The two sides of the roller seat are outwardly provided with extension portions which extend between the two ends of the base and are arranged to slide on the support surfaces. The roller is used to assist in pressing the protective film downward and pasting it onto the screen of the product.

2. The device of claim 1, wherein: Inner side walls of the extension portions are concavely provided with mounting grooves, and elastic limit members are mounted in the mounting grooves. Free ends of the elastic limit members extend toward the extension portions on the other side. Lower surfaces of the elastic limit members are provided with abutting protrusions which cooperate with abutting surfaces of the second positioning structure. The elastic limit members are located between the screen of the product and the protective film before the roller presses the screen of the product to a certain position. When the elastic limit members contact the second positioning structure, the abutting protrusions abut on the abutting surfaces to cause the free ends of the elastic limit members to elastically deform upward.

3. The device of claim 1, wherein: The support surfaces have horizontally arranged first and second support surfaces and a third support surface which is arranged obliquely between the first and second support surfaces. When the roller structure slides to the second support surface, the roller abuts against the protective film.

4. The device of claim 3, wherein: The two side walls of the base are outwardly provided with guide rails which extend in the same direction as the support surfaces. Inner walls of the extension portions are provided with limiting protrusions which are located below the guide rails when the roller seat slides along the support surfaces.

5. The device of claim 3, wherein: An end of the first positioning structure away from the second positioning structure is obliquely provided with a guide surface which has the same oblique angle as the third support surface. When pasting the film, the roller seat enters the third support surface along the second support surface to drive the roller to slide along the guide surface to the upper surface of the protective film and abut against the protective film.

6. The device of claim 3, wherein: The film pasting device is rotationally connected to an upper cover at an end of the base close to the first positioning structure. Lower surfaces of the two sides of the upper cover are provided with abutting surfaces for abutting against the extension portions of the roller seat. An activity space for the extension portions is arranged between the abutting surfaces and the support surfaces. The abutting surfaces have first and second abutting surfaces and a third abutting surface which is arranged obliquely between the first and second abutting surfaces. When the upper cover is closed on the base, the first and second abutting surfaces are horizontally arranged, and the third abutting surface has the same oblique angle as the third support surface.

7. The device of claim 6, wherein: The upper cover is provided with an avoiding space for avoiding the roller seat along the length direction of the product, the roller seat is provided with a holding part, the holding part is movably arranged in the avoiding space, the upper cover is provided with a locking platform at one end of the first positioning structure, the lower part of the holding part is provided with a locking surface, and the roller seat is fixed on the upper cover by abutting the locking surface of the roller seat against the locking platform and abutting the extension part against the first abutting surface. 8.The film pasting device of claim 6, wherein: At least one side of the roller seat is concavely provided with a locking groove with an opening facing the second positioning structure, and the inner side wall of the upper cover at one end of the second positioning structure is convexly provided with a locking block corresponding to the locking groove, and the roller seat is fixed on the upper cover by clamping the locking block in the locking groove.

9. The device of claim 6, wherein: The extension part is transversely provided with a waist-shaped hole, the waist-shaped hole extends along the vertical direction, the support shaft at the end of the roller is arranged in the waist-shaped hole and can be arranged to slide up and down along the waist-shaped hole, the inner side wall of the upper cover is convexly provided with a pressing part for abutting against the support shaft of the roller along the length direction of the product, the pressing part has a first pressing part and a second pressing part, and a third pressing part is arranged in an arc shape between the first pressing part and the second pressing part, when the support shaft is below the second pressing part in the horizontal direction, the support shaft is at the low position of the waist-shaped hole in the vertical direction.

10. The device of claim 1, wherein: The second positioning structure is slidably arranged on the base, and the second positioning structure is provided with a guide part near one side of the first positioning structure for adjusting the product in the width direction of the product, and the guide part is outwardly inclined from the second positioning structure in an eight-shaped manner.

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