Protective film cutting device with adjusting function

By fixing the protective film with a lifting and squeezing mechanism, the problem of misalignment caused by unstable fixing in the cutting device is solved, thus improving cutting accuracy and efficiency.

CN223734988UActive Publication Date: 2025-12-30HENAN ZHONGSICHUANG PACKAGING TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422715255.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-12-30
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

Existing protective film cutting devices cannot be effectively fixed during cutting, resulting in cutting deviation and low efficiency, and cannot guarantee cutting accuracy.

Method used

The system employs a lifting mechanism and an extrusion mechanism. A dual-head motor drives a rotating gear and an extrusion roller to move up and down. Combined with an extrusion frame and extrusion wheels, the protective film is fixed in place to prevent it from loosening during cutting.

Benefits of technology

This achieves stable cutting of the protective film, prevents deviation, and improves cutting accuracy and efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223734988U_ABST
    Figure CN223734988U_ABST
Patent Text Reader

Abstract

The protective film cutting device with the adjusting function comprises a base, sliding rods are fixedly connected to the front side and the rear side of the base, extrusion rollers are movably connected to the interiors of the sliding rods, a lifting mechanism is arranged in the base and comprises a double-head motor, a rotating gear, a toothed plate and a fixing plate, and the double-head motor is connected with the rotating gear. The double-end motor is fixedly connected to the inner side of the base, the rotating gear is fixedly connected to the output end of the double-end motor, the fixing plate is fixedly connected to the outer side of the extrusion roller, the toothed plate is fixedly connected to the bottom of the fixing plate, the rotating gear is meshed with the toothed plate through teeth, and the surface of the base is connected with a cutting frame. And a telescopic air cylinder is fixedly connected to the top of the cutting frame, through the arrangement of the lifting mechanism, when the protective film is cut, a double-head motor drives a rotating gear to rotate and drives an extrusion roller to move up and down to extrude the protective film, and workers can conveniently cut the protective film.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a protective film cutting device with adjusting function belongs to cutting device technical field. BACKGROUND

[0002] The protective film can be divided into digital product protective film, automobile protective film, household protective film, food preservation protective film and the like according to the use. With the popularity of mobile phones and other digital products, the protective film has gradually become a general term of screen protective film, and its functions in the field of screen protective film are also various, when producing different products, different sizes need to be cut.

[0003] Chinese open patent (open number: CN 220098069 U) discloses a protective film cutting device, including fixed seat, the fixed seat front and rear two sides inner wall near left and right two sides center place all are fixedly connected with two positioning rods, located left and right two sides two positioning rods on near front and rear two ends place all commonly set up drive plate, the utility model discloses through the mutual cooperation of the use of each component between the rotating lever, positioning rod, chain, adjusting motor, drive plate, driven gear, support, fixed rod, rack, drive gear and linkage gear, makes this protective film cutting device conveniently drive two drive plates on the adjacent two positioning rods to slide to the adjacent side, so that two drive plates on the left and right sides can conveniently drive two movable plates on the left and right sides to fold, so that the unwinding roller and the winding roller can be conveniently and automatically fixed between the two positioning discs on the left and right sides for use, improve work efficiency;

[0004] However, the above-mentioned technology may not be able to fix the protective film when cutting the protective film, which may cause deviation during cutting, low processing and cutting efficiency, and cannot effectively provide the cutting accuracy of the protective film.

[0005] Therefore, a protective film cutting device with adjusting function is provided. Utility model content

[0006] Therefore, the utility model provides a protective film cutting device with adjusting function to solve or alleviate the technical problems in the prior art, at least to provide a beneficial choice.

[0007] The utility model discloses a technical scheme is as follows: a kind of protective film cutting device with adjusting function, including base, the front and rear sides of base are fixedly connected with sliding rod, the inside of sliding rod is movably connected with extrusion roller, the inside of base is provided with lifting mechanism, the lifting mechanism includes double-head motor, rotating gear, toothed plate and fixed plate, the inner side of base is fixedly connected with double-head motor, the output end of double-head motor is fixedly connected with rotating gear, the outer side of extrusion roller is fixedly connected with fixed plate, the bottom of fixed plate is fixedly connected with toothed plate, rotating gear and toothed plate are engaged by tooth.

[0008] Further preferably, the surface of the base is connected with a cutting frame, the top of the cutting frame is fixedly connected with a telescopic cylinder, and the bottom of the telescopic cylinder is fixedly connected with a cutting knife.

[0009] Further preferably, the inside of the sliding rod is provided with a sliding groove, and the extrusion roller is movably connected to the inside of the sliding groove.

[0010] Further preferably, the top of the base is provided with a cutting groove, and the bottom of the cutting knife penetrates into the inside of the cutting groove.

[0011] Further preferably, the front and rear sides of the surface of the base are fixedly connected with extrusion frames, the bottom of the extrusion frame is provided with an extrusion mechanism, and the extrusion mechanism includes a moving rod, a compression spring and an extrusion wheel.

[0012] Further preferably, the moving rod is movably connected to the inside of the extrusion frame, and the upper and lower ends of the moving rod respectively penetrate into the top and bottom of the extrusion frame, the extrusion wheel is fixedly connected to the bottom of the moving rod, and the compression spring is fixedly connected to the top of the extrusion wheel.

[0013] Further preferably, the upper end of the compression spring is fixedly connected to the bottom of the extrusion frame, and the compression spring is sleeved on the outside of the moving rod.

[0014] The utility model discloses an embodiment because of adopting above technical scheme, it has following advantages:

[0015] First, the utility model discloses the setting of lifting mechanism, when cutting protective film, double-head motor drives rotating gear to rotate, drives extrusion roller to move up and down, extrusion protective film, and it is convenient for staff to cut protective film.

[0016] Second, the utility model discloses the setting of extrusion mechanism, when cutting protective film, by pulling moving rod, moving rod drives extrusion wheel to move, it is convenient for staff to fix protective film while preventing loosening when cutting, leading to cutting deviation, by setting extrusion frame, when fixing protective film, it is convenient for staff to operate.

[0017] The above summary is intended to illustrate the application and is not intended to be limiting thereof. Further aspects, embodiments and features of the application will be apparent from the detailed description that follows, taken in conjunction with the accompanying drawings and the description of the state of the art. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a schematic diagram of the three-dimensional front view structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the lifting mechanism structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the base structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the Figure 3 It is a schematic diagram of the local enlarged structure at A;

[0023] Figure 5 It is a schematic diagram of the sliding rod structure of the utility model.

[0024] The drawings show that: 1, base; 2, sliding rod; 3, extrusion roller; 4, lifting mechanism; 401, double-head motor; 402, rotating gear; 403, toothed plate; 404, fixed plate; 5, cutting frame; 6, telescopic cylinder; 7, cutter; 8, sliding groove; 9, cutting groove; 10, extrusion frame; 11, extrusion mechanism; 1101, moving rod; 1102, compression spring; 1103, extrusion wheel. DETAILED DESCRIPTION

[0025] In the following, only some exemplary embodiments are simply described. As those skilled in the art can realize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0026] The embodiments of the present application will be described in detail below with reference to the drawings.

[0027] Embodiment 1

[0028] As Figures 1-3As shown, the utility model discloses a kind of protective film cutting device with adjusting function, including base 1, the front and rear sides of base 1 are fixedly connected with sliding rod 2, the inside of sliding rod 2 is movably connected with extruding roller 3, the inside of base 1 is provided with lifting mechanism 4, lifting mechanism 4 includes double-head motor 401, rotating gear 402, toothed plate 403 and fixed plate 404, double-head motor 401 is fixedly connected to the inside of base 1, rotating gear 402 is fixedly connected to the output end of double-head motor 401, fixed plate 404 is fixedly connected to the outside of extruding roller 3, toothed plate 403 is fixedly connected to the bottom of fixed plate 404, rotating gear 402 and toothed plate 403 are engaged by tooth, the surface of base 1 is connected with cutting frame 5, the top of cutting frame 5 is fixedly connected with telescopic cylinder 6, the bottom of telescopic cylinder 6 is fixedly connected with cutting knife 7, sliding groove 8 is arranged in the inside of sliding rod 2, extruding roller 3 is movably connected to the inside of sliding groove 8, cutting groove 9 is arranged in the top of base 1, the bottom of cutting knife 7 penetrates to the inside of cutting groove 9.

[0029] By the setting of lifting mechanism 4, when cutting protective film, double-head motor 401 drives rotating gear 402 to rotate, drives extruding roller 3 to move up and down, extrudes protective film, and staff can conveniently cut protective film.

[0030] Embodiment 2

[0031] As shown in Figure 1 , Figure 4 and Figure 5 In one embodiment, the front and rear sides of the surface of base 1 are fixedly connected with extruding frame 10, extruding frame 10 is provided with extruding mechanism 11 at the bottom, extruding mechanism 11 includes moving rod 1101, compression spring 1102 and extruding wheel 1103, moving rod 1101 is movably connected to the inside of extruding frame 10, and the upper and lower ends of moving rod 1101 respectively penetrate to the top and bottom of extruding frame 10, extruding wheel 1103 is fixedly connected to the bottom of moving rod 1101, compression spring 1102 is fixedly connected to the top of extruding wheel 1103, the upper end of compression spring 1102 is fixedly connected to the bottom of extruding frame 10, and compression spring 1102 is sleeved on the outside of moving rod 1101.

[0032] By the setting of extruding mechanism 11, when cutting protective film, moving rod 1101 is pulled, moving rod 1101 drives extruding wheel 1103 to move, staff can conveniently fix protective film while preventing loosening during cutting, which causes cutting deviation, and staff can conveniently operate when fixing protective film by setting extruding frame 10.

[0033] The utility model discloses a work: first through the protection film is transported, and the protection film is laid on the top of base 1, and starts double -end motor 401, and double -end motor 401 drives rotation gear 402 to rotate, and the meshing of rotation gear 402 and toothed plate 403 makes toothed plate 403 move down, and toothed plate 403 drives fixed plate 404 to move down, and fixed plate 404 drives extruding roller 3 to move down, and the bottom of extruding roller 3 and the surface of protection film contact extrusion, and start telescopic cylinder 6 and push cutter 7 to move down, and the protection film is cut, and by pulling up moving rod 1101, and moving rod 1101 drives extruding wheel 1103 to move up, and the protection film after cutting is fixed.

[0034] The above is only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, and anyone skilled in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, and these 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 protective film cutting device with adjusting function, comprising a base (1), characterized in that: The front and rear sides of the base (1) are fixedly connected with sliding rods (2), the interiors of the sliding rods (2) are movably connected with extrusion rollers (3), the interior of the base (1) is provided with a lifting mechanism (4), the lifting mechanism (4) comprises a double-head motor (401), a rotating gear (402), a toothed plate (403) and a fixed plate (404), the double-head motor (401) is fixedly connected to the inner side of the base (1), the rotating gear (402) is fixedly connected to the output end of the double-head motor (401), the fixed plate (404) is fixedly connected to the outer side of the extrusion roller (3), the toothed plate (403) is fixedly connected to the bottom of the fixed plate (404), and the rotating gear (402) is engaged with the toothed plate (403) through the teeth.

2. The protective film cutting device with the adjusting function according to claim 1, characterized in that: The surface of the base (1) is connected with a cutting frame (5), the top of the cutting frame (5) is fixedly connected with a telescopic air cylinder (6), and the bottom of the telescopic air cylinder (6) is fixedly connected with a cutter (7).

3. The protective film cutting device with the adjusting function according to claim 1, characterized in that: The interior of the sliding rod (2) is provided with a sliding groove (8), and the extrusion roller (3) is movably connected to the inner side of the sliding groove (8).

4. The protective film cutting device with the adjusting function according to claim 2, characterized in that: The top of the base (1) is provided with a cutting groove (9), and the bottom of the cutter (7) penetrates into the interior of the cutting groove (9).

5. The protective film cutting device with the adjusting function according to claim 4, characterized in that: The front and rear sides of the surface of the base (1) are fixedly connected with extrusion frames (10), the bottom of the extrusion frame (10) is provided with an extrusion mechanism (11), and the extrusion mechanism (11) comprises a moving rod (1101), a compression spring (1102) and an extrusion wheel (1103).

6. The protective film cutting device with the adjusting function according to claim 5, characterized in that: The moving rod (1101) is movably connected to the inner side of the extrusion frame (10), and the upper and lower ends of the moving rod (1101) penetrate into the top and bottom of the extrusion frame (10) respectively, the extrusion wheel (1103) is fixedly connected to the bottom of the moving rod (1101), and the compression spring (1102) is fixedly connected to the top of the extrusion wheel (1103).

7. The protective film cutting device with the adjusting function according to claim 5, characterized in that: The upper end of the compression spring (1102) is fixedly connected to the bottom of the extrusion frame (10), and the compression spring (1102) is sleeved on the outer side of the moving rod (1101).

Citation Information

Patent Citations

  • Protective film cutting device

    CN220098069U