Protective film surface processing and gluing device

Abstract

The utility model discloses a protective film surface processing and gluing device, which belongs to the technical field of protective film gluing and comprises an operation table, a protective film conveying assembly, a gluing assembly and a scraping assembly, the protective film conveying assembly is mounted on the operation table and used for fixing and conveying a protective film, and the scraping assembly is mounted on the operation table. The gluing assembly comprises a glue pool, a penetrating empty groove is formed in the top of the operation table, and the inner wall of the empty groove is fixedly connected with the periphery of the glue pool. According to the protective film surface machining gluing device, a protective film penetrates through the position between the two scraping plates, the scraping plates scrape off redundant glue on the protective film and collect the redundant glue into the glue pool along with continuous movement of the protective film, and the glue on the protective film is evenly distributed. And moreover, the distance between the two scraping plates can be adjusted by rotating the rotating disc, so that the thickness of the sizing material adhered to the surface of the protective film is controlled, and the problem that in the prior art, redundant sizing materials on the surface of the protective film are not convenient to remove is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of protective film gluing, in particular to a protective film surface processing and gluing device. Background Art

[0002] Protective film is a thin and soft transparent sheet made of plastic, adhesive, rubber or other materials. According to the purpose, it can be divided into digital product protective film, car protective film, household protective film, food preservation protective film, etc. Since the performance of single-layer film is relatively simple, a large number of composite protective films have been designed to solve this problem. Composite protective films generally include a base material and a surface material that are composited with each other. During the processing, the base material is coated with adhesive, and the surface material is bonded to the base material through the adhesive ability of the adhesive, so that the protective film has the advantages of both the base material and the surface material.

[0003] At present, most of the protective film surface processing and gluing devices use a glue roller to apply the glue on the surface of the protective film. However, as the glue is diluted and reduced during the rolling process of the glue roller, it is easy to cause uneven coating. Therefore, in the prior art, there is also a solution to move the protective film and immerse it in a glue pool. In the process of the protective film passing through the glue pool, the glue adheres to the surface of the protective film. Although this solution can ensure the uniformity of the coating, it is easy for the protective film surface to have too much sticky material, resulting in overflow and dripping of the glue, causing waste. Utility Model Content

[0004] The utility model aims to provide a protective film surface processing glue coating device, which can remove excess glue on the protective film surface while coating evenly.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A protective film surface processing and gluing device is provided, comprising an operating table and a protective film conveying component, the protective film conveying component is installed on the operating table, the protective film conveying component is used to fix and convey the protective film, and also comprises a gluing component and a scraping component, the gluing component comprises a glue pool, a through empty groove is opened on the top of the operating table, the inner wall of the empty groove is fixedly connected to the periphery of the glue pool, the scraping component comprises a pair of scrapers, two pairs of fixed blocks, a first guide rod, a bidirectional threaded rod and a turntable, the two pairs of fixed blocks are respectively fixedly connected to the two ends of the two cover plates, the bottom of the first guide rod is fixedly connected to the top of the operating table, the fixed block at one end of the scraper is slidably connected to the periphery of the first guide rod, the fixed block at the other end of the scraper is threadedly connected to the periphery of the double-star threaded rod, and the threaded holes on the two scrapers are in opposite directions, the bottom of the bidirectional threaded rod is rotatably connected to the top of the operating table, and the top of the bidirectional threaded rod is coaxially connected to the turntable.

[0007] Furthermore, a conical groove is provided on one side of the scraper, an inclined groove is provided on the top of the operating table, the inclined groove is connected with the empty groove, and the scraper is located on the top of the inclined groove.

[0008] Furthermore, the glue coating assembly also includes a pair of support blocks, a pressure roller, a pair of connecting blocks, a second guide rod, a threaded column and a first motor. The two support blocks are respectively fixedly connected to the two ends of the operating table, the two connecting blocks are respectively rotatably connected to the two ends of the pressure roller, the pressure roller is located at the top of the glue pool, the second guide rod passes through one of the connecting blocks and is slidably connected to it, the bottom of the second guide rod is fixedly connected to the top of one of the support blocks, the threaded column passes through the other connecting block and is threadedly connected to it, the bottom of the threaded column is rotatably connected to the top of the other support block, the top of the first motor is fixedly connected to the bottom of the support block, and the output shaft of the first motor passes through the support block and is coaxially connected to the bottom of the threaded column.

[0009] Furthermore, the glue coating assembly also includes two pairs of support plates and a pair of top rollers. The two top rollers are symmetrically distributed on both sides of the glue pool. Both ends of the top rollers are rotatably connected to the two support plates respectively, and the bottom of the support plate is fixedly connected to the top of the operating table.

[0010] Furthermore, the protective film conveying assembly includes two pairs of fixed plates, two pairs of conveying rollers, multiple springs and a second motor. The two pairs of fixed plates are respectively located on both sides of the operating table. The bottom of the fixed plate is fixedly connected to the top of the operating table. Both ends of the conveying roller at the bottom are rotatably connected to the two fixed plates respectively. The conveying roller at the top can be vertically slidably installed on the fixed plate. The spring is installed on the fixed plate. The spring is used to provide downward pressure to the top conveying roller. The second motor is fixedly connected to one side of one of the fixed plates. The output shaft of the second motor passes through the fixed plate and is coaxially connected to one end of the conveying roller.

[0011] Furthermore, the protective film conveying assembly also includes two pairs of sliders, the two ends of the top conveying roller are rotatably connected to the two sliders respectively, one end of the fixed plate is provided with a sliding groove passing through, the sliding groove is slidably connected to the slider, one end of the spring is fixedly connected to the top of the fixed plate, and the other end of the spring is fixedly connected to the top of the slider.

[0012] The beneficial effects of the utility model are as follows: the utility model uses the scraper, turntable and glue pool to equip the surface of the protective film. When the protective film is coated with glue, the protective film is immersed in the glue pool through the empty slot to make the glue adhere to the surface of the protective film. The protective film is then passed between the two scrapers. As the protective film continues to move, the scraper scrapes off the excess glue on the protective film and collects it into the glue pool, thereby avoiding material waste. The turntable is rotated to drive the bidirectional threaded rod to rotate. Through the threaded transmission between the bidirectional threaded rod and the fixed block, the distance between the two scrapers can also be adjusted, thereby controlling the thickness of the glue adhered to the surface of the protective film. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the embodiments of the present utility model. Obviously, the drawings described below are only some embodiments of the present utility model, and for ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work.

[0014] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0015] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

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

[0017] Figure 4 This is a structural exploded view of the protective film transmission component of the utility model;

[0018] Figure 5 This is a disassembled diagram of the scraper assembly structure of the utility model.

[0019] In the figure:

[0020] 1. Operation table; 10. Empty slot; 11. Inclined slot;

[0021] 2. Protective film transmission assembly; 20. Fixed plate; 200. Slide; 21. Transmission roller; 22. Spring; 23. Second motor; 24. Sliding block;

[0022] 3. Glue coating assembly; 30. Glue pool; 31. Support block; 32. Pressing roller; 33. Connecting block; 34. Second guide rod; 35. Threaded column; 36. First motor; 37. Support plate; 38. Top roller;

[0023] 4. Scraper assembly; 40. Scraper; 400. Conical groove; 41. Fixed block; 42. First guide rod; 43. Bidirectional threaded rod; 44. Turntable. DETAILED DESCRIPTION

[0024] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0025] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0026] Reference Figures 1 to 5 As shown in the figure, a glue - coating device for processing the surface of a protective film includes an operating table 1 and a protective - film conveying assembly 2. The protective - film conveying assembly 2 is installed on the operating table 1, and the operating table 1 is used to support the protective - film conveying assembly 2, the glue - coating assembly 3, and the scraping assembly 4. The protective - film conveying assembly 2 is used for fixing and conveying the protective film. It also includes a glue - coating assembly 3 and a scraping assembly 4. The glue - coating assembly 3 includes a glue pool 30. A through - empty groove 10 is opened at the top of the operating table 1, and the inner wall of the empty groove 10 is fixedly connected to the periphery of the glue pool 30. Immersing the protective film into the glue pool 30 through the empty groove 10 can make the glue adhere to the surface of the protective film. The scraping assembly 4 includes a pair of scrapers 40, two pairs of fixing blocks 41, a first guide rod 42, a bidirectional threaded rod 43, and a turntable 44. The two pairs of fixing blocks 41 are respectively fixedly connected to both ends of the two cover plates. The bottom of the first guide rod 42 is fixedly connected to the top of the operating table 1. The fixing block 41 at one end of the scraper 40 is slidably connected to the periphery of the first guide rod 42, and the fixing block 41 at the other end of the scraper 40 is threadedly connected to the periphery of the double - star threaded rod. Moreover, the direction of the threaded holes on the two scrapers 40 is opposite. The bottom of the bidirectional threaded rod 43 is rotatably connected to the top of the operating table 1, and the top of the bidirectional threaded rod 43 is coaxially connected to the turntable 44. After the protective film passes through the glue pool 30 and the glue adheres to its surface, then the protective film passes through between the two scrapers 40. Rotating the turntable 44 drives the bidirectional threaded rod 43 to rotate. Through the threaded transmission between the bidirectional threaded rod 43 and the fixing block 41, the two fixing blocks 41 are driven to approach each other, and the other two fixing blocks 41 slide on the periphery of the first guide rod 42, thereby adjusting the distance between the two scrapers 40. As the protective film continues to move, the scrapers 40 scrape off the excess glue on the protective film and collect it into the glue pool 30, avoiding material waste. And by rotating the turntable 44, the distance between the two scrapers 40 can also be adjusted, thereby controlling the thickness of the glue adhering to the surface of the protective film.

[0027] A tapered groove 400 is opened on one side of the scraper 40. An inclined groove 11 is opened at the top of the operating table 1, and the inclined groove 11 communicates with the empty groove 10. The scraper 40 is located at the top of the inclined groove 11. When the cover plate scrapes off the excess glue on the protective film, the glue will fall into the inclined groove 11 along the tapered groove 400 and flow back into the glue pool 30 through the empty groove 11 along the inclined groove 11, enabling the recovery of the excess glue.

[0028] The glue coating assembly 3 also includes a pair of support blocks 31, a pressure roller 32, a pair of connecting blocks 33, a second guide rod 34, a threaded column 35 and a first motor 36. The two support blocks 31 are respectively fixedly connected to the two ends of the operating table 1, and the two connecting blocks 33 are respectively rotatably connected to the two ends of the pressure roller 32. The pressure roller 32 is located at the top of the glue pool 30. The second guide rod 34 passes through one of the connecting blocks 33 and is slidably connected thereto. The bottom of the second guide rod 34 is fixedly connected to the top of one of the support blocks 31. The threaded column 35 passes through the other connecting block 33 and is threadedly connected thereto. The bottom of the threaded column 35 is rotatably connected to the top of the other support block 31. The top of the first motor 36 is fixedly connected to the bottom of the support block 31, and the output shaft of the first motor 36 passes through the support block 31 and is coaxially connected to the bottom of the threaded column 35. Pass one end of the protective film through the bottom of the pressure roller 32, so that the first motor 36 is powered on to drive the threaded column 35 to rotate, and through the threaded transmission between the threaded column 35 and the connecting block 33, drive the connecting block 33 and the pressure roller 32 to move to the bottom, and the outer periphery of the second guide rod outside the other connecting block 33 slides, and the protective film is pressed into the glue pool 30 through the pressure roller 32, so that the glue covers the protective film, and as the protective film moves, the pressure roller 32 rotates, and the glue adheres to the surface of the protective film.

[0029] The glue coating assembly 3 also includes two pairs of support plates 37 and a pair of top rollers 38. The two top rollers 38 are symmetrically distributed on both sides of the glue pool 30. The two ends of the top rollers 38 are rotatably connected to the two support plates 37 respectively, and the bottom of the support plate 37 is fixedly connected to the top of the operating table 1. The protective film is passed through the top of the top rollers 38. When the pressure roller 32 presses the protective film into the glue pool 30, the two ends of the protective film are lifted up by the top rollers 38, and the top rollers 38 rotate with the movement of the protective film. The support of the top rollers 38 on the protective film prevents the protective film from rubbing against the edge of the empty slot 10 to scrape off the glue.

[0030] The protective film conveying assembly 2 includes two pairs of fixed plates 20, two pairs of conveying rollers 21, multiple springs 22 and a second motor 23. The two pairs of fixed plates 20 are respectively located on both sides of the operating table 1. The bottom of the fixed plate 20 is fixedly connected to the top of the operating table 1. The two ends of the bottom conveying roller 21 are rotatably connected to the two fixed plates 20 respectively. The top conveying roller 21 can be vertically slidably installed on the fixed plate 20. The spring 22 is installed on the fixed plate 20. The spring 22 is used to provide downward pressure to the top conveying roller 21. The second motor 23 is fixedly connected to one side of one of the fixed plates 20. The output shaft of the second motor 23 passes through the fixed plate 20 and is coaxially connected to one end of the conveying roller 21. Pass one end of the protective film between one pair of conveying rollers 21, and after passing through the glue coating component 3 and the scraper component 4, pass through the other pair of conveying rollers 21. At this time, the downward pressure provided by the spring 22 makes the two pairs of conveying rollers 21 squeeze the protective film, and then the second motor 23 is powered on to drive one of the conveying rollers 21 to rotate. The friction force can drive the two pairs of conveying rollers 21 to rotate at the same time, so that the protective film moves to one side, and the protective film is fixed by the conveying roller 21, so that the tension of the protective film can be kept in the unfolded state at all times, thereby improving the uniformity of glue coating.

[0031] The protective film conveying assembly 2 also includes two pairs of sliders 24. The two ends of the top conveying roller 21 are rotatably connected to the two sliders 24 respectively. A sliding groove 200 is provided at one end of the fixed plate 20, and the sliding groove 200 is slidably connected to the slider 24. One end of the spring 22 is fixedly connected to the top of the fixed plate 20, and the other end of the spring 22 is fixedly connected to the top of the slider 24. The spring 22 is always in a contracted state. When the protective film passes between the two conveying rollers 21, the rebound force of the spring 22 pushes the slider 24 to slide downward in the sliding groove 200, driving the top conveying roller 21 to move toward the bottom, thereby squeezing the protective film.

[0032] It should be noted that the above specific implementations are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art should understand that various modifications, equivalent substitutions, changes, etc. can be made to the present invention. However, as long as these changes do not deviate from the spirit of the present invention, they should be within the scope of protection of the present invention. In addition, some terms used in the specification and claims of this application are not restrictive, but are only for the convenience of description.

Claims

1. A protective film surface processing and gluing device, comprising an operating table (1) and a protective film conveying component (2), wherein the protective film conveying component (2) is mounted on the operating table (1), and the protective film conveying component (2) is used to fix and convey the protective film, and the operating table (1) is characterized in that: The invention also comprises a glue coating component (3) and a scraper component (4). The glue coating component (3) comprises a glue pool (30). The top of the operating table (1) is provided with a through-hole (10). The inner wall of the hole (10) is fixedly connected to the periphery of the glue pool (30). The scraper component (4) comprises a pair of scrapers (40), two pairs of fixing blocks (41), a first guide rod (42), a bidirectional threaded rod (43) and a rotating disk (44). The two pairs of fixing blocks (41) are respectively fixedly connected to the two ends of the two cover plates. The bottom of the first guide rod (42) is fixedly connected to the top of the operating table (1). The fixing block (41) at one end of the scraper (40) is slidably connected to the periphery of the first guide rod (42). The fixing block (41) at the other end of the scraper (40) is threadedly connected to the periphery of the double-star threaded rod. The threaded holes on the two scrapers (40) are in opposite directions. The bottom of the bidirectional threaded rod (43) is rotatably connected to the top of the operating table (1). The top of the bidirectional threaded rod (43) is coaxially connected to the rotating disk (44).

2. A protective film surface processing and gluing device according to claim 1, characterized in that: A conical groove (400) is provided on one side of the scraper (40), an inclined groove (11) is provided on the top of the operating table (1), the inclined groove (11) is connected to the empty groove (10), and the scraper (40) is located on the top of the inclined groove (11).

3. The protective film surface processing and gluing device according to claim 1, characterized in that: The glue coating assembly (3) further comprises a pair of support blocks (31), a pressure roller (32), a pair of connection blocks (33), a second guide rod (34), a threaded column (35) and a first motor (36), wherein the two support blocks (31) are respectively fixedly connected to the two ends of the operating table (1), the two connection blocks (33) are respectively rotatably connected to the two ends of the pressure roller (32), the pressure roller (32) is located at the top of the glue pool (30), the second guide rod (34) passes through one of the connection blocks (33) and is slidably connected thereto, the bottom of the second guide rod (34) is fixedly connected to the top of one of the support blocks (31), the threaded column (35) passes through the other connection block (33) and is threadedly connected thereto, the bottom of the threaded column (35) is rotatably connected to the top of the other support block (31), the top of the first motor (36) is fixedly connected to the bottom of the support block (31), and the output shaft of the first motor (36) passes through the support block (31) and is coaxially connected to the bottom of the threaded column (35).

4. A protective film surface processing and gluing device according to claim 3, characterized in that: The glue coating assembly (3) further comprises two pairs of support plates (37) and a pair of top rollers (38), wherein the two top rollers (38) are symmetrically distributed on both sides of the glue pool (30), and the two ends of the top rollers (38) are rotatably connected to the two support plates (37), respectively, and the bottom of the support plate (37) is fixedly connected to the top of the operating table (1).

5. The protective film surface processing and gluing device according to claim 1, characterized in that: The protective film conveying assembly (2) comprises two pairs of fixed plates (20), two pairs of conveying rollers (21), a plurality of springs (22) and a second motor (23). The two pairs of fixed plates (20) are respectively located on both sides of the operating table (1). The bottom of the fixed plates (20) is fixedly connected to the top of the operating table (1). Both ends of the conveying roller (21) at the bottom are rotatably connected to the two fixed plates (20). The conveying roller (21) at the top can be vertically slidably mounted on the fixed plates (20). The spring (22) is mounted on the fixed plates (20). The spring (22) is used to provide downward pressure to the conveying roller (21) at the top. The second motor (23) is fixedly connected to one side of one of the fixed plates (20). The output shaft of the second motor (23) passes through the fixed plate (20) and is coaxially connected to one end of the conveying roller (21).

6. A protective film surface processing and gluing device according to claim 5, characterized in that: The protective film conveying assembly (2) further comprises two pairs of sliders (24), the two ends of the top conveying roller (21) are rotatably connected to the two sliders (24), one end of the fixed plate (20) is provided with a sliding groove (200) passing through, the sliding groove (200) is slidably connected to the sliders (24), one end of the spring (22) is fixedly connected to the top of the fixed plate (20), and the other end of the spring (22) is fixedly connected to the top of the slider (24).

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