Protective film pressing device

Abstract

The utility model belongs to the field of protective film production, and particularly relates to a protective film pressing device which comprises a base, supporting seats are fixedly connected to the two sides of an inner cavity of the base respectively, a gear is rotationally installed in the middle of each supporting seat, a rotating rod is installed in the middle of each gear, and the gears are driven by the rotating rods to rotate. A rotating rod is arranged on the base, a gear is arranged on the rotating rod, a supporting rod is connected to the side edge of the gear in a meshed mode, the top of the supporting rod slidably penetrates and extends to the position above the base, a fixing plate is fixedly connected to the top of the supporting rod, a connecting plate is fixedly connected to the side edge of the fixing plate, and a pressing plate is installed below the connecting plate. The connecting plate, the pressing plate and other structures can conveniently press and limit the two ends of the protective film at the same time, operation is easy, use is convenient, the pressing efficiency is improved, and then the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of protective film production, in particular to a protective film pressing device. Background Art

[0002] Protective films can be classified into digital product protective films, automotive protective films, household protective films, food preservation protective films, etc. according to their uses. With the popularization of digital products such as mobile phones in China, the protective film has gradually become a general term for screen protective films, and its functions in the field of screen protective films are also diverse. The materials have evolved from the earliest PP materials to the currently popular AR materials. After more than 5 years of development, it has gradually been accepted by the majority of mobile phone users. In terms of function, the protective film is to cover a layer of film on the physical object we want to protect. Currently, there are functional protective films such as AR anti-reflection films, AG matte anti-reflection films, mobile phone mirror films, privacy films, and high-definition scratch-resistant films on the market.

[0003] A patent with the publication number CN219027691U discloses a protective film slitting mechanism, which includes a support base, a slitting box body, a slitting support bottom plate, a winding and unwinding wheel seat, and a positioning device. The positioning device includes a moving panel, positioning columns, a connecting panel, a threaded rod, an abutting component, an adjusting component, and a fixing component. The moving panel moves on the slitting support bottom plate through the adjusting component. The positioning columns are fixedly connected to the moving panel. The threaded rod is threadedly connected to the connecting panel. The abutting component is arranged on the threaded rod. When slitting the protective film, one end of the protective film is placed on the slitting support bottom plate, and the position of the moving panel is adjusted according to the width of the protective film. The threaded rod is rotated, and the threaded rod drives the abutting component to move towards the protective film until it abuts against the protective film. At this time, a large frictional force is generated between the abutting component and the protective film, so as to press the protective film tightly and ensure the cutting accuracy.

[0004] However, in the process of using the above device, it is necessary to rotate the threaded rod in sequence to drive the abutting panel to move downwards to press the protective film tightly, and the operation is relatively cumbersome, and the pressing efficiency is not high. Therefore, a protective film pressing device is proposed to solve the above problems. Summary of the Utility Model

[0005] In order to make up for the deficiencies of the prior art and solve the problem that in the process of using the existing device, it is necessary to rotate the threaded rod in sequence to drive the abutting panel to move downwards to press the protective film tightly, and the operation is relatively cumbersome, and the pressing efficiency is not high, the utility model proposes a protective film pressing device.

[0006] The technical solution adopted by the present utility model to solve its technical problems is as follows: A protective film pressing device of the present utility model includes a base. On both sides of the inner cavity of the base, there are respectively fixedly connected support seats. A gear is rotatably installed in the middle of the support seats. A rotating rod is installed in the middle of the gear. The rotating rod drives the gear to rotate. On the side of the gear, there is a meshing connection with a support rod. The top of the support rod slides through and extends above the base. A fixed plate is fixedly connected to the top of the support rod. A connecting plate is fixedly connected to the side of the fixed plate. A pressing plate is installed below the connecting plate.

[0007] Preferably, a rectangular block is fixedly connected to the rotating rod. A rectangular hole is opened in the middle of the gear. The rectangular block is slidably arranged in the rectangular hole. An internally threaded sleeve is fixedly connected to the inner wall of the middle cavity of the base. One end of the rotating rod is rotatably connected in the internally threaded sleeve.

[0008] Preferably, the end of the rotating rod away from the internally threaded sleeve slides through and extends outside the base, and a turning handle is fixedly connected to the end.

[0009] Preferably, the support seat is U-shaped. Through holes are opened on both sides of the support seat. The rectangular block passes through the through holes. Annular movable grooves are respectively opened on both sides of the gear. Limiting rings are respectively fixedly connected to the inner walls of the upper parts of both sides of the support seat. The limiting rings are clamped in the movable grooves.

[0010] Preferably, sliding holes are respectively opened at both ends of the connecting plate. Limiting rods are slidably installed in the sliding holes. The bottom of the limiting rods is fixedly connected to the bottom of the pressing plate. Springs are sleeved on the limiting rods. The springs are arranged between the connecting plate and the pressing plate.

[0011] Preferably, a rubber pad is bonded to the bottom of the pressing plate.

[0012] Preferably, a guide rod is fixedly connected to the end of the connecting plate away from the support rod. The end of the guide rod away from the connecting plate penetrates downward through the guide hole opened on the base.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. By setting up the rotating rod, gear, support rod, fixed plate, connecting plate, the connecting plate, pressing plate and other structures, it is convenient to press and limit the protective film. When in use, rotate the rotating rod, the rotating rod drives the gear to rotate, and then pushes the support rod on the side downward through the gear. The support rod drives the connecting plate and the pressing plate to move downward synchronously through the fixed plate, so that the pressing plate presses on both sides of the protective film, which is convenient to quickly press and limit the protective film, prevent the protective film from slipping, and facilitate the smooth progress of subsequent processing steps, improving the pressing efficiency, and thus being beneficial to improving the work efficiency.

[0015] 2. The utility model facilitates the limitation of the pressing plate by arranging structures such as a rectangular block, a rectangular hole, a rotating rod, and an internal thread sleeve. During use, by rotating the rotating handle, the rotating handle drives the rotating rod and the gear to rotate synchronously, and then can drive the structures such as the connecting plate and the pressing plate to move to press the protective film. During the rotation of the rotating rod, its end will gradually screw into the internal thread sleeve. At this time, the rectangular block can slide relative to the rectangular hole, and the internal thread sleeve can limit the rotating rod, so that the limiting rod will not rotate reversely by itself, thereby enabling the pressing plate to always press tightly on the top of the protective film. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following-described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of Embodiment 1;

[0018] Figure 2 It is a partial cross-sectional view of Embodiment 1;

[0019] Figure 3 It is a cross-sectional view of Embodiment 1;

[0020] Figure 4 For Embodiment 1 Figure 3 The enlarged schematic view of the structure at A in;

[0021] Figure 5 For Embodiment 1 Figure 2 The enlarged schematic view of the structure at B in.

[0022] In the figure: 1, base; 2, rotating rod; 3, rotating handle; 4, connecting plate; 5, pressing plate; 6, support seat; 7, gear; 8, support rod; 9, rectangular block; 10, internal thread sleeve; 11, guide rod; 12, fixing plate; 13, limiting rod; 14, spring; 15, rectangular hole; 16, movable groove; 17, limiting ring; 18, rubber pad. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0024] Example 1

[0025] Please refer to Figures 1-5 As shown in the figure, a protective film pressing device includes a base 1. On both sides of the inner cavity of the base 1, there are respectively fixedly connected support seats 6. A gear 7 is rotatably installed in the middle of the support seats 6. A rotating rod 2 is installed in the middle of the gear 7. The gear 7 is driven to rotate by the rotating rod 2. A support rod 8 is meshed and connected to the side of the gear 7. The top of the support rod 8 slides through and extends above the base 1. A fixing plate 12 is fixedly connected to the top of the support rod 8. A connecting plate 4 is fixedly connected to the side of the fixing plate 12. A pressing plate 5 is installed below the connecting plate 4. During operation, the protective film is placed flat on the top of the base 1. Then, by rotating the rotating rod 2, the rotating rod 2 drives the gear 7 to rotate. Further, the support rod 8 on the side is pushed downward by the gear 7. The support rod 8 drives the connecting plate 4 and the pressing plate 5 to move downward synchronously through the fixing plate 12, so that the pressing plate 5 presses on both sides of the protective film, which is convenient for quickly pressing and limiting the protective film, preventing the protective film from slipping, facilitating the subsequent processing steps to proceed smoothly, improving the pressing efficiency, and thus being beneficial to improving the work efficiency.

[0026] A rectangular block 9 is fixedly connected to the rotating rod 2. A rectangular hole 15 is opened in the middle of the gear 7. The rectangular block 9 is slidably arranged in the rectangular hole 15. An internal thread sleeve 10 is fixedly connected to the inner wall of the middle cavity of the base 1. One end of the rotating rod 2 is rotatably connected in the internal thread sleeve 10. During operation, through the cooperation of the rectangular block 9 and the rectangular hole 15, the rotating rod 2 can drive the gear 7 to rotate together.

[0027] The end of the rotating rod 2 far from the internal thread sleeve 10 slides through and extends outside the base 1, and a rotating handle 3 is fixedly connected to the end. During operation, by rotating the rotating handle 3, the rotating handle 3 drives the rotating rod 2 and the gear 7 to rotate synchronously, and then can drive the structures such as the connecting plate 4 and the pressing plate 5 mentioned above to move. And during the rotation process of the rotating rod 2, its end will gradually screw into the internal thread sleeve 10. At this time, the rectangular block 9 can slide relatively along the rectangular hole 15. The internal thread sleeve 10 can limit the rotating rod 2, so that the limiting rod 13 will not rotate reversely by itself, so that the pressing plate 5 can always press on the top of the protective film.

[0028] The support seat 6 is U-shaped. Through holes are opened on both sides of the support seat 6. The rectangular block 9 penetrates through the through holes. Annular moving grooves 16 are respectively opened on both sides of the gear 7. Limiting rings 17 are respectively fixedly connected to the inner walls of the upper parts of both sides of the support seat 6. The limiting rings 17 are clamped in the moving grooves 16. During operation, by connecting the limiting rings 17 to be clamped in the moving grooves 16 on both sides of the gear 7, the gear 7 can be stably rotatably installed in the middle of the support seat 6.

[0029] Both ends of the connecting plate 4 are respectively provided with sliding holes, and a limiting rod 13 is slidably installed in the sliding holes. The bottom of the limiting rod 13 is fixedly connected to the bottom of the pressing plate 5. A spring 14 is sleeved on the limiting rod 13, and the spring 14 is arranged between the connecting plate 4 and the pressing plate 5. During operation, when the pressing plate 5 abuts against the top of the protective film, the pressing plate 5 is further pushed downward through the connecting plate 4. At this time, the spring 14 is compressed so that the pressing plate 5 can be more tightly pressed against the top of the protective film.

[0030] A rubber pad 18 is adhesively bonded to the bottom of the pressing plate 5. During operation, the rubber pad 18 is provided to play a protective role to prevent the surface of the protective film from being damaged during the downward pressing of the pressing plate 5.

[0031] Embodiment 2

[0032] Please refer to Figure 3 As shown, compared with Embodiment 1, as another implementation manner of the present invention, one end of the connecting plate 4 away from the support rod 8 is fixedly connected with a guide rod 11, and the end of the guide rod 11 away from the connecting plate 4 penetrates downward through a guide hole formed in the base 1. During operation, by sliding the guide rod 11 along the guide hole, it is convenient to limit the fixed plate 12, so that the structures such as the fixed plate 12, the connecting plate 4, and the pressing plate 5 move more stably.

[0033] In the description of this specification, the description with reference to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0034] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A protective film pressing device, characterized in that: It includes a base (1). On both sides of the inner cavity of the base (1), there are support seats (6) fixedly connected respectively. A gear (7) is rotatably installed in the middle of the support seat (6). A rotating rod (2) is installed in the middle of the gear (7). The gear (7) is driven to rotate by the rotating rod (2). A support rod (8) is meshed and connected to the side of the gear (7). The top of the support rod (8) slides through and extends above the base (1). A fixing plate (12) is fixedly connected to the top of the support rod (8). A connecting plate (4) is fixedly connected to the side of the fixing plate (12). A pressing plate (5) is installed below the connecting plate (4).

2. The pressing device for a protective film according to claim 1, wherein: A rectangular block (9) is fixedly connected to the rotating rod (2). A rectangular hole (15) is opened in the middle of the gear (7). The rectangular block (9) is slidably arranged in the rectangular hole (15). An internal thread sleeve (10) is fixedly connected to the inner wall of the middle cavity of the base (1). One end of the rotating rod (2) is rotatably connected in the internal thread sleeve (10).

3. A protective film pressing device according to claim 2, characterized in that: One end of the rotating rod (2) far from the internal thread sleeve (10) slides through and extends to the outside of the base (1), and a rotating handle (3) is fixedly connected to the end part.

4. A protective film pressing device according to claim 3, characterized in that: The support seat (6) is set to be U-shaped. Through holes are opened on both sides of the support seat (6). The rectangular block (9) penetrates through the through holes. Annular moving grooves (16) are respectively opened on both sides of the gear (7). Limit rings (17) are respectively fixedly connected to the inner walls of the upper parts of both sides of the support seat (6). The limit rings (17) are clamped in the moving grooves (16).

5. The pressing device for a protective film according to claim 4, wherein: Sliding holes are respectively opened at both ends of the connecting plate (4). A limiting rod (13) is slidably installed in the sliding holes. The bottom of the limiting rod (13) is fixedly connected to the bottom of the pressing plate (5). A spring (14) is sleeved on the limiting rod (13). The spring (14) is arranged between the connecting plate (4) and the pressing plate (5).

6. The pressing device for a protective film according to claim 5, wherein: A rubber pad (18) is bonded to the bottom of the pressing plate (5).

7. A pressing device for a protective film, according to claim 6, characterized in that: One end of the connecting plate (4) far from the support rod (8) is fixedly connected to a guide rod (11). The end part of the guide rod (11) far from the connecting plate (4) penetrates downward through a guide hole opened on the base (1).

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