Automatic film covering and cutting device for protective film

Abstract

The utility model discloses an automatic protective film laminating and cutting device which comprises a width adjusting assembly, a lifting assembly is arranged on the rear side of the width adjusting assembly, a film cutting knife is fixed to the side face of the lifting assembly, the width adjusting assembly comprises a width adjusting base, and a second internal thread block is fixed to the side face of the width adjusting base. A second sliding block is fixed to the lower end of the width adjusting base and movably installed on the outer side of a second sliding rail in a sliding mode, the second sliding rail is fixed to the upper end of a translation base, a second servo motor is installed on the side face of the translation base, and a second threaded rod is fixed to the front end of the second servo motor and rotationally installed in a second inner threaded block. In actual use, a second servo motor is driven to rotate, and then a width adjusting base slides on a sliding rail through cooperation of a second threaded rod and a second internal threaded block, so that the position of a film cutter is adjusted, the accuracy of the reserved width of a cut protective film is ensured, and the production efficiency and the product quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film cutting devices, in particular to an automatic film laminating and cutting device for a protective film. Background Art

[0002] According to the purpose, protective films can be divided into digital product protective films, car protective films, household protective films, food preservation protective films, etc. With the popularity of digital products such as mobile phones in China, protective films have gradually become a general term for screen protective films, and for the increasingly mature industrialized industry, protective films are a common industrial consumables.

[0003] The Chinese patent with announcement number CN215285410U includes a fixing mechanism and a film laminating and cutting mechanism, wherein the fixing mechanism includes a base frame, a fixing frame and a bracket, wherein the fixing frame is fixed to one side of the base frame, and the bracket is fixed to the surface of the base frame; the film laminating and cutting mechanism includes a first threaded rod, a sliding rod, a second threaded rod, a first servo motor, a second servo motor, an electric push rod and a pressure strip, wherein the second servo motor is transmission-connected to the second threaded rod, a sleeve is also provided at one end of the electric push rod, and the sleeve is threadedly sleeved on the second threaded rod; two pressure strips are provided, one of which is fixed to the output end of the electric push rod, and the other pressure strip is slidably sleeved on the sliding rod at both ends. This protective film automatic film laminating and cutting device can automatically stretch, cut and cover, which saves time and effort and is convenient to use.

[0004] In actual use, when cutting the film, the device lacks a direct and convenient adjustment mechanism for the situation where a certain width of protective film needs to be reserved for subsequent processing; due to the requirements of different products or subsequent processes, the width of the reserved film may be different, and the device does not provide a simple and effective way to quickly adjust the width of the reserved film. Therefore, an automatic protective film laminating and cutting device is now needed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an automatic protective film laminating and cutting device to solve the problem of a protective film with a certain width reserved for subsequent processing in the above-mentioned background technology, and the lack of a direct and convenient adjustment mechanism.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a protective film automatic laminating and cutting device, comprising a supporting assembly, a cutting platform and a cutting mechanism, the cutting mechanism comprising a translation assembly, a lifting assembly and a width adjustment assembly, the cutting platform is arranged at the upper end of the supporting assembly, the translation assembly is arranged at the upper end of the cutting platform, the width adjustment assembly is installed at the upper end of the translation assembly, the lifting assembly is arranged at the rear side of the width adjustment assembly, a film cutting knife is fixed on the side of the lifting assembly, the width adjustment assembly comprises a width adjustment base, a second internal thread block is fixed on the side of the width adjustment base, a second slider is fixed on the lower end of the width adjustment base, the second slider is movably and slidably installed on the outside of the second slide rail, the second slide rail is fixed on the upper end of the translation base, a second servo motor is installed on the side of the translation base, a second threaded rod is fixed on the front end of the second servo motor, and the second threaded rod is rotatably installed inside the second internal thread block.

[0007] Preferably, the support assembly comprises a support base, a cutting platform is fixed to the upper end of the support base, limit blocks are arranged on both sides of the cutting platform, and the film piece to be cut is placed between two groups of limit blocks on the cutting platform.

[0008] Preferably, the translation assembly includes a first slide rail, a support frame is fixed to the upper end of the support base, the first slide rail is fixed to the upper end of the support frame, a first slider is slidably mounted on the upper end of the first slide rail, and a translation base is fixed to the upper end of the first slider.

[0009] Preferably, the upper end of the translation base is connected to the second slider width adjustment base through a second slide rail, a first internal thread block is fixed to the side of the translation base, a first threaded rod is rotatably installed in the first internal thread block, and both sides of the first threaded rod are movably installed on the upper end of the support frame through bearings.

[0010] Preferably, the side surface of the first threaded rod is connected to the first servo motor, and the first servo motor is fixed to the side surface of the supporting base through a servo motor base.

[0011] Preferably, the lifting assembly includes a lifting base, and the lifting base is connected to the width adjustment base through a third slide rail and a third slider.

[0012] Preferably, a third servo motor is fixed to the side of the width adjustment base, a third threaded rod is fixed to the lower end of the third servo motor, the third threaded rod is rotatably mounted on a third internal thread block, the third internal thread block is fixed to the side of the lifting base, and a film cutting knife is installed on the rear side of the lifting base.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the support component in the utility model is the basic structure of the entire equipment, providing a stable support platform; the cutting platform is used to carry the protective film to be cut; the translation component is responsible for driving the cutting mechanism to move horizontally along the protective film, ensuring that the film cutting knife can cut according to the preset trajectory; the width adjustment component ensures that the cut protective film meets the requirements of subsequent processing by adjusting the position of the film cutting knife; the lifting component controls the lifting and lowering of the film cutting knife so that it can accurately contact the protective film and cut; in actual use, the second servo motor is driven to rotate, and then the second threaded rod and the second internal threaded block cooperate to make the width adjustment base slide on the slide rail, thereby adjusting the position of the film cutting knife, ensuring the accuracy of the reserved width of the protective film after cutting, and improving production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the disassembly structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the cutting mechanism structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the local structure of the cutting mechanism of the utility model;

[0018] Figure 5 It is a schematic diagram of the partial explosion structure of the cutting mechanism of the utility model.

[0019] In the figure: 1. support assembly; 11. support base; 12. support frame; 2. cutting platform; 21. limit block; 3. cutting mechanism; 31. translation assembly; 311. first slide rail; 312. first slider; 313. translation base; 314. servo motor base; 315. first servo motor; 316. first threaded rod; 317. bearing; 318. first internal thread block; 32. width adjustment assembly; 321. second slide rail; 322. second slider; 323. width adjustment base; 324. second threaded rod; 325. second internal thread block; 326. second servo motor; 33. lifting assembly; 331. lifting base; 332. third slide rail; 333. third slider; 334. third servo motor; 335. third threaded rod; 336. third internal thread block; 34. film cutting knife; 4. film to be cut. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-5 The utility model provides a technical solution: a protective film automatic laminating and cutting device, including a support component 1, a cutting platform 2 and a cutting mechanism 3, the cutting mechanism 3 includes a translation component 31, a lifting component 33 and a width adjustment component 32, the cutting platform 2 is arranged on the upper end of the support component 1, the translation component 31 is arranged on the upper end of the cutting platform 2, the width adjustment component 32 is installed on the upper end of the translation component 31, the lifting component 33 is arranged on the rear side of the width adjustment component 32, a film cutting knife 34 is fixed on the side of the lifting component 33, the width adjustment component 32 includes a width adjustment base 323, a second internal thread block 325 is fixed on the side of the width adjustment base 323, a second slider 322 is fixed on the lower end of the width adjustment base 323, the second slider 322 is movably and slidably installed on the outer side of the second slide rail 321, the second slider 322 is movably and slidably installed on the outer side of the second slide rail 321, and the second slider 322 is movably and slidably installed on the outer side of the second slide rail 321. The second slide rail 321 is fixed on the upper end of the translation base 313, and a second servo motor 326 is installed on the side of the translation base 313. A second threaded rod 324 is fixed to the front end of the second servo motor 326, and the second threaded rod 324 is rotatably installed inside the second internal thread block 325. The support assembly 1 is the basic structure of the entire equipment and provides a stable support platform; the cutting platform 2 is used to carry the protective film to be cut; the translation assembly 31 is responsible for driving the cutting mechanism 3 to move horizontally along the protective film to ensure that the film cutting knife 34 can cut according to the preset trajectory; the width adjustment assembly 32 ensures that the protective film after cutting can meet the requirements of subsequent processing by adjusting the position of the film cutting knife 34; the lifting assembly 33 controls the lifting and lowering of the film cutting knife 34 so that it can accurately contact the protective film and cut.

[0022] The support assembly 1 includes a support base 11, a cutting platform 2 is fixed on the upper end of the support base 11, and limit blocks 21 are arranged on both sides of the cutting platform 2. The film piece 4 to be cut is placed between the two groups of limit blocks 21 on the cutting platform 2. The cutting platform 2 provides a flat and stable surface so that the film piece 4 to be cut can be fixed on it to ensure stability and accuracy during the cutting process. The limit blocks 21 ensure that the film piece 4 to be cut always maintains a fixed position during the cutting process, avoiding cutting errors caused by movement and improving cutting accuracy and efficiency.

[0023] The translation assembly 31 includes a first slide rail 311, a support frame 12 is fixed to the upper end of the support base 11, a first slide rail 311 is fixed to the upper end of the support frame 12, a first slider 312 is slidably mounted to the upper end of the first slide rail 311, a translation base 313 is fixed to the upper end of the first slider 312, and the first slider 312 is mounted on the first slide rail 311 and can slide along the first slide rail 311. It connects the translation base 313 and the slide rail, so that the translation base 313 can achieve horizontal displacement through the movement of the slider.

[0024] The upper end of the translation base 313 is connected to the width adjustment base 323 of the second slider 322 through the second slide rail 321. A first internal thread block 318 is fixed to the side of the translation base 313. A first threaded rod 316 is rotatably installed in the first internal thread block 318. Both sides of the first threaded rod 316 are movably installed on the upper end of the support frame 12 through bearings 317. The rotational motion of the first threaded rod 316 is converted into linear motion of the translation base 313 through the first internal thread block 318. By controlling the rotation speed and direction of the first threaded rod 316, precise control of the movement speed and direction of the translation base 313 and the cutting mechanism 3 can be achieved.

[0025] The side of the first threaded rod 316 is connected to the first servo motor 315, and the first servo motor 315 is fixed to the side of the support base 11 through the servo motor base 314. The first servo motor 315 provides power for the first threaded rod 316, and through its precise rotation control, precise position adjustment of the translation base 313 and the cutting mechanism 3 connected thereto can be achieved; the servo motor base 314 is used to fix the first servo motor 315.

[0026] The lifting assembly 33 includes a lifting base 331, which is connected to the width adjustment base 323 via a third slide rail 332 and a third slider 333. The third slide rail 332 and the third slider 333 together ensure the precise and smooth movement of the lifting base 331 in the vertical direction.

[0027] A third servo motor 334 is fixed to the side of the width adjustment base 323, and a third threaded rod 335 is fixed to the lower end of the third servo motor 334. The third threaded rod 335 is rotatably mounted on the third internal thread block 336. The third internal thread block 336 is fixed to the side of the lifting base 331. A film cutting knife 34 is installed on the rear side of the lifting base 331. The third servo motor 334 is the driving source of the lifting assembly 33. The third threaded rod 335 converts the rotational motion in the third internal thread block 336 into the linear motion of the lifting base 331. The film cutting knife 34 adjusts its height by lifting and lowering the lifting base 331 to achieve precise cutting of the protective film.

[0028] As an embodiment of the present invention: when the automatic film laminating and cutting device for protective film is used for film cutting, firstly, the film piece 4 to be cut is placed on the cutting platform 2, and ensure that its two sides are fixed by the limit blocks 21 to prevent movement during the cutting process; by controlling the rotation of the second servo motor 326, the second threaded rod 324 rotates in the second internal thread block 325, thereby driving the width adjustment base 323 to slide on the second slide rail 321, and by accurately controlling the rotation angle and speed of the second servo motor 326, the position of the film cutting knife 34 can be accurately adjusted; the height of the film cutting knife 34 is adjusted so that it can accurately contact with the protective film and cut, and by controlling the rotation of the third servo motor 334, the first servo motor 334 is driven to rotate in the second internal thread block 325. The three-threaded rod 335 rotates in the third internal thread block 336, thereby driving the lifting base 331 to move vertically on the third slide rail 332. By accurately controlling the rotation angle and speed of the third servo motor 334, the height of the film cutting knife 34 can be accurately adjusted; after completing the width and lifting adjustment, the first servo motor 315 can be started to drive the first threaded rod 316 to rotate in the first internal thread block 318, thereby driving the translation base 313 to move horizontally on the first slide rail 311. The movement of the translation base 313 will drive the entire cutting mechanism 3 including the film cutting knife 34 to move horizontally along the protective film, thereby realizing the cutting of the protective film; thereby completing the film cutting use of the automatic film laminating and cutting device for protective film.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective film automatic laminating and cutting device, comprising a support component (1), a cutting platform (2) and a cutting mechanism (3), wherein the cutting mechanism (3) comprises a translation component (31), a lifting component (33) and a width adjustment component (32), characterized in that: A cutting platform (2) is arranged at the upper end of the support component (1), a translation component (31) is arranged at the upper end of the cutting platform (2), a width adjustment component (32) is installed at the upper end of the translation component (31), a lifting component (33) is arranged at the rear side of the width adjustment component (32), and a film cutting knife (34) is fixed on the side of the lifting component (33); The width adjustment assembly (32) comprises a width adjustment base (323), a second internal thread block (325) is fixed to the side of the width adjustment base (323), a second slider (322) is fixed to the lower end of the width adjustment base (323), the second slider (322) is movably and slidably mounted on the outside of a second slide rail (321), the second slide rail (321) is fixed to the upper end of the translation base (313), a second servo motor (326) is mounted on the side of the translation base (313), a second threaded rod (324) is fixed to the front end of the second servo motor (326), and the second threaded rod (324) is rotatably mounted inside the second internal thread block (325).

2. The automatic film laminating and cutting device for protective film according to claim 1 is characterized in that: The support assembly (1) comprises a support base (11), a cutting platform (2) is fixed to the upper end of the support base (11), limit blocks (21) are arranged on both sides of the cutting platform (2), and a film piece (4) to be cut is placed between two groups of limit blocks (21) on the cutting platform (2).

3. The automatic film laminating and cutting device for protective film according to claim 2 is characterized in that: The translation assembly (31) comprises a first slide rail (311), a support frame (12) is fixed to the upper end of the support base (11), the first slide rail (311) is fixed to the upper end of the support frame (12), a first slider (312) is slidably mounted on the upper end of the first slide rail (311), and a translation base (313) is fixed to the upper end of the first slider (312).

4. The automatic film laminating and cutting device for protective film according to claim 3 is characterized in that: The upper end of the translation base (313) is connected to the width adjustment base (323) of the second slider (322) through a second slide rail (321); a first internal thread block (318) is fixed to the side of the translation base (313); a first threaded rod (316) is rotatably installed in the first internal thread block (318); and both sides of the first threaded rod (316) are movably installed on the upper end of the support frame (12) through bearings (317).

5. The automatic film laminating and cutting device for protective film according to claim 4 is characterized in that: The side surface of the first threaded rod (316) is connected to the first servo motor (315), and the first servo motor (315) is fixed to the side surface of the support base (11) via a servo motor base (314).

6. The automatic film laminating and cutting device for protective film according to claim 1, characterized in that: The lifting assembly (33) comprises a lifting base (331), and the lifting base (331) is connected to the width adjustment base (323) via a third slide rail (332) and a third slide block (333).

7. The automatic film laminating and cutting device for protective film according to claim 6, characterized in that: A third servo motor (334) is fixed to the side of the width adjustment base (323), a third threaded rod (335) is fixed to the lower end of the third servo motor (334), the third threaded rod (335) is rotatably mounted on a third internal thread block (336), the third internal thread block (336) is fixed to the side of the lifting base (331), and a film cutting knife (34) is installed on the rear side of the lifting base (331).

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