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CN-224225417-U - Compression roller type film sticking device

CN224225417UCN 224225417 UCN224225417 UCN 224225417UCN-224225417-U

Abstract

The utility model discloses a compression roller type film sticking device, wherein a positioning cavity is arranged on a positioning seat of the film sticking device, a compression roller assembly comprises a sliding seat and a compression roller, a first positioning part and a first protruding part are arranged on the positioning seat close to a starting end A, a second positioning part and a second protruding part are arranged on the positioning seat close to a tail end B, the second protruding part is positioned between the positioning cavity and the second positioning part, a mobile phone is placed in the positioning cavity during film sticking, two ends of a protective film are respectively mounted above the positioning cavity in a suspending mode through the first positioning part and the second positioning part, and the highest point of the first protruding part and the second protruding part is higher than the plane where a mobile phone screen is positioned. According to the utility model, the second protruding part is used for supporting the tail end area of the mobile phone protective film, so that the protective film is always kept at a certain interval with the mobile phone screen before being pressed by the pressing roller, and the occurrence of lamination bubbles caused by the early lamination of the protective film is avoided.

Inventors

  • TANG JIALI
  • WANG SHOUYUN

Assignees

  • 东莞市旭嘉实业投资有限公司

Dates

Publication Date
20260512
Application Date
20250506

Claims (10)

  1. 1. The compression roller type film sticking device comprises a positioning seat (1) and a compression roller assembly (2) arranged on the positioning seat (1), wherein a positioning cavity (10) for accommodating and positioning a mobile phone (5) is arranged on the positioning seat (1), the compression roller assembly (2) comprises a sliding seat (21) which is in sliding connection with the positioning seat (1) and a compression roller (22) which is pivoted on the sliding seat (21), and when the compression roller (22) moves relatively from a starting end (A) to a tail end (B) of the positioning cavity (10), the compression roller (22) presses a protective film (6) which is suspended above the positioning cavity (10), and the compression roller type film sticking device is characterized in that: A first positioning part (11) and a first protruding part (3) are arranged on the positioning seat (1) close to the starting end (A); A second positioning part (12) and a second protruding part (4) are arranged on the positioning seat (1) near the tail end (B), and the second protruding part (4) is positioned between the positioning cavity (10) and the second positioning part (12); When the film is pasted, the mobile phone (5) is placed in the positioning cavity (10), two ends of the protective film (6) are respectively mounted above the positioning cavity (10) in a suspending mode through the first positioning part (11) and the second positioning part (12), and the highest point of the first protruding part (3) and the second protruding part (4) is higher than the plane where the screen of the mobile phone (5) is located.
  2. 2. The roll laminator of claim 1, wherein the first positioning portion (11) is formed on the first protruding portion (3).
  3. 3. The roll laminator of claim 2, wherein the first protruding portion (3) is of an elastic structure integrally formed with the positioning seat (1), one end of the first protruding portion (3) is connected with the positioning seat (1), an inclined surface (30) with gradually increased height is formed by extending towards the direction of the positioning cavity (10) along the connection position with the positioning seat (1), and the first positioning portion (11) is arranged on the inclined surface (30).
  4. 4. The roll laminator of claim 3, wherein the inclined surface (30) has a hollow portion (300), and the first positioning portion (11) is a clamping block formed at the hollow portion (300).
  5. 5. The roll laminator of claim 1, wherein the second protrusion (4) is a rib formed on the positioning seat (1), and the rib forming the second protrusion (4) extends from the longitudinal center line of the positioning cavity (10) to two sides along the width direction.
  6. 6. The roll laminator of claim 1, wherein the second protruding portion (4) is at least two protrusions formed on the positioning base (1), and the protrusions forming the second protruding portion (4) are arranged along the width direction of the positioning cavity (10) and have one of the following two characteristics: The positioning cavity is characterized in that the longitudinal center line of the positioning cavity (10) passes through one of the bulges; The characteristic 2 is that the longitudinal center line of the positioning cavity (10) passes through the interval between two adjacent bulges, and the interval width is smaller than one fourth of the width of the positioning cavity (10).
  7. 7. The pressure roller type film sticking device according to claim 1, wherein the distance between the second protruding part (4) and the bottom edge of the mobile phone (5) placed in the positioning cavity (10) is more than 0.4mm and less than 48mm.
  8. 8. The roll laminator of any of claims 1 to 7, wherein the second positioning portion (12) has a limiting surface (120) for limiting the positioning film (61) in the protective film (6), and the limiting surface (120) is not higher than the highest point of the second protruding portion (4).
  9. 9. The roll laminator of claim 8, wherein the positioning seat end section (14) of the positioning seat (1) adjacent to the tail end (B) is in a step shape, the second protruding part (4) is positioned between the positioning cavity (10) and the positioning seat end section (14), the second positioning part (12) is arranged on the positioning seat end section (14), and the highest point of the second positioning part (12) is lower than the highest point of the second protruding part (4).
  10. 10. The roll laminator of claim 8, wherein the positioning seat (1) is provided with a slope with gradually decreasing height towards the outer side of the positioning seat (1) near the positioning seat end section (14) and the highest position of the positioning seat end section (14) forms the second protruding part (4), the second positioning part (12) is arranged at the lowest position of the slope of the positioning seat end section (14), and the highest point of the second positioning part (12) is lower than the highest point of the second protruding part (4).

Description

Compression roller type film sticking device Technical field: The utility model relates to the technical field of mobile phone film sticking, in particular to a compression roller type film sticking device. The background technology is as follows: As shown in fig. 1 and 2, this is a schematic diagram of a press roll type film applicator commonly used at present. The mobile phone 5 positioning device comprises a positioning seat 91 and a compression roller seat 92, wherein a positioning cavity 910 for accommodating and positioning the mobile phone 5 is arranged on the positioning seat 91. The roller seat 92 is slidably mounted on the positioning seat 91 by a slide rail mechanism, and a pressing roller for rolling the protective film is mounted in the roller seat 92. As shown in fig. 3, a first positioning portion 911 and a second positioning portion 912 are respectively disposed at a start end a and a tail end B of the positioning seat 91 and outside the positioning cavity 910. The working principle of the compression roller type film sticking device is as follows: The protective film 90 for a mobile phone includes a positioning film 901 located on an upper layer and a protective film body 902 located on a lower layer, wherein an adhesive is provided on a lower surface of the protective film body 902, and when the lower surface of the protective film body 902 is bonded to a screen surface of the mobile phone, bonding is performed by the adhesive. When all the films are attached, the positioning film 901 is torn off from the upper surface of the protective film body 902. The positioning film 901 positions the protective film 90, both ends of which extend outward, and a first positioning hole and a second positioning hole corresponding to the first positioning portion 911 and the second positioning portion 912 are provided in the extension regions, respectively. In use, the protection film 90 can be suspended above the screen of the mobile phone 5 in the positioning cavity 910 by the snap connection of the first positioning portion 911 and the first positioning hole and the snap connection of the second positioning portion 912 and the second positioning hole. When in operation, when the press roller seat 92 slides along the direction of the start end A and the end B of the positioning cavity 910, the press roller 93 moves from the mobile phone 5 in the positioning cavity 910 and the protective film 90 suspended above the mobile phone 5, and the press roller 93 rolls the protective film 90 covered on the mobile phone 5 to finish the attachment of the protective film. In order to realize perfect bonding of the protective film 90 and the mobile phone screen, the bonding area is free from bubbles, and the following conditions are required to be ensured, namely, when the protective film body 902 moves along with the press roller 93 in the bonding process of the protective film 90 and the mobile phone screen, the protective film body is gradually bonded from the starting end A to the ending end B, so that the effect of 'bubble removal' by using the press roller 93 is formed. If the side of the protective film body 902 near the starting end a is attached to the mobile phone screen in advance, or if the side of the protective film body 902 near the junction end B is attached to the mobile phone screen in advance, bubbles which are not attached are formed between the protective film body 902 and the mobile phone screen. In view of this, the existing film sticking device products all adopt the following structures: first, a boss 911 is provided at the outer side of the positioning cavity 910 adjacent to the start end a, the highest point of the boss 911 is higher than the screen surface of the mobile phone 5, conventionally, the boss 911 adopts an inclined surface, and the first positioning portion 911 is provided on the inclined surface of the boss 911. This prevents the protective film 90 from coming into contact with the mobile phone screen before the pressing roller 93 is pressed against the mobile phone screen. Second, the position of the positioning film 901 for positioning on the second positioning portion 912 of the positioning cavity 910 adjacent to the outer side of the junction end B is also higher than the screen surface of the mobile phone 5, so that the end of the entire protective film 90 adjacent to the junction end B is kept from being brought into contact with the mobile phone screen in advance before being pressed onto the mobile phone screen by the pressing roller 93. However, as the size of the mobile phone is larger, the above structure has the following problems: First, for the boss 911 outside the start end a, the highest point of the boss 911 is higher than the screen surface of the mobile phone 5 and also higher than the pressing surface of the lowermost end of the pressing roller 93, thus blocking the operation of the pressing roller 93. Although the boss 911 is arranged as a vamp, the elastic