Automatic film cutting device for bottom-film-free gummed paper

By combining a cam structure with a pneumatic cylinder, the problem of cutting the length of the adhesive tape without a bottom is solved, the power system is simplified, and maintenance costs are reduced.

CN223777297UActive Publication Date: 2026-01-09HUIZHOU MEMBRANE NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202423186140.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-01-09
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing technologies cannot segment the film length of adhesive tape without a bottom film, and the power system is complex and has high maintenance costs.

Method used

The system employs a combination of a cam structure and a pneumatic cylinder. The cam is driven to rotate by a motor, which in turn moves the pressure roller downwards. The pneumatic cylinder then resets the cutter, thus achieving the length cutting of the membrane and simplifying the power system.

Benefits of technology

It enables flexible cutting of membrane length, simplifies the power system, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bottomless paper films, in particular to an automatic film cutting device for bottomless film gummed paper, which comprises a casing and is characterized in that a sliding plate is slidably connected in the casing, a knife rest is fixedly connected to the lower end of the sliding plate, a knife is mounted at the lower end of the knife rest, and a cutting plate is arranged at the lower end of the knife; the two ends of the sliding plate are fixedly connected with a connecting shaft, the connecting shaft is sleeved with a bearing, the bearing is sleeved with a pressing wheel, the upper end of the pressing wheel is attached to a cam, and the cam is fixedly connected to a rotating shaft. The pneumatic rod and the pneumatic cylinder are arranged to support the cutter, the pressing wheel is pressed down through rotation of the cam, so that the cutter moves downwards to cut a film, and a power system is simple and convenient to maintain.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a bottomless film technical field especially relates to a bottomless film adhesive paper's automation film cutting device. BACKGROUND

[0002] The bottomless film is covered on the picture printed by hand or automatic cold laminating machine, avoids the picture (print surface) such as photo advertisement poster being scratched, contaminated, wet, etc., plays a role in protecting the picture, and is widely applied to photo studio, advertisement design, graphic design and spray drawing.

[0003] Through the search of the Chinese patent with the announcement number CN112405648A, an automatic film cutting device is disclosed.

[0004] In the above technical scheme: including support, the electric telescopic rod is installed and arranged on the support, the output end of the electric telescopic rod is connected and arranged with the lifting plate, the lifting plate lower end is installed and arranged with the elastic compression mechanism and cutting mechanism, the support is installed and arranged with the material guiding support mechanism opposite to the cutting mechanism, the material guiding support mechanism lower side is installed and arranged with the adsorption mechanism. When using, the film layer is guided through the support, the lifting plate is moved by the lifting of the electric telescopic rod, and when the lifting plate moves downward, the elastic compression mechanism and the cutting mechanism can be driven to run synchronously, when the elastic compression mechanism is attached to the film layer, it can be compressed in cooperation, and the cutting mechanism can cut the film layer when it continues to move downward, it is flexible and convenient to use, and the cutting is stable, the setting of the material guiding support mechanism can assist the film layer to guide, and in the process of cutting, it can be supported on both sides of the film layer cutting position, and the film layer cutting end is prevented from falling off by the action of the adsorption mechanism.

[0005] But in the above scheme, the technology can not segment the film length when cutting the film, and the power system is relatively complex, and the maintenance cost is high.

[0006] Therefore, we propose a bottomless film adhesive paper automatic film cutting device. Utility model content

[0007] The utility model mainly solves the technical problem that the prior art exists, and provides a bottomless film adhesive paper automatic film cutting device.

[0008] In order to realize the above purpose, the utility model adopts the following technical scheme, a bottomless film adhesive paper automatic film cutting device, including the casing, characterized in that: the sliding plate is slidably connected in the casing, the cutter holder is fixedly connected to the lower end of the sliding plate, the cutter is installed at the lower end of the cutter holder, and the cutting plate is arranged at the lower end of the cutter.

[0009] The sliding plate is fixedly connected with connecting shafts at both ends, the connecting shafts are sleeved with bearings, the bearings are sleeved with pressure wheels, the pressure wheels are fixedly connected with cams at upper ends, and the cams are fixedly connected with a rotating shaft.

[0010] As preferred, the rotating shaft is rotatably connected in the casing, and one end of the rotating shaft is fixedly connected with the output end of the motor.

[0011] As preferred, the connecting shaft is further fixedly connected with an air pressure rod, and the air pressure rod extends out of the casing.

[0012] As preferred, one end of the air pressure rod extending out of the casing is elastically connected with the output end of an air cylinder, and the air cylinder is fixedly connected with the cutting plate.

[0013] Compared with the prior art, the automatic film cutting device without bottom film adhesive paper has the following improvements and advantages:

[0014] The cam structure is used for movement, the sliding plate is fixedly connected with connecting shafts at both ends, the connecting shafts are sleeved with bearings, the bearings are sleeved with pressure wheels, the pressure wheels are fixedly connected with cams at upper ends, the cams are fixedly connected with a rotating shaft, the rotating shaft is rotatably connected in the casing, one end of the rotating shaft is fixedly connected with the output end of the motor, the connecting shaft is further fixedly connected with an air pressure rod, the air pressure rod extends out of the casing, one end of the air pressure rod extending out of the casing is elastically connected with the output end of an air cylinder, and the air cylinder is fixedly connected with the cutting plate. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can also be obtained according to the provided drawings without creative labor.

[0016] Fig. 1 It is a three-dimensional schematic view of the structure of the present application;

[0017] Fig. 2 It is a plane schematic view of the structure in the present application.

[0018] LEGEND:

[0019] 10, casing; 11, cutting plate; 12, sliding plate; 13, tool holder; 14, tool; 15, connecting shaft; 16, air pressure rod; 17, air cylinder; 18, rotating shaft; 19, cam; 20, motor; 21, pressure wheel; 22, bearing. DETAILED DESCRIPTION

[0020] The application will be further described in conjunction with the drawings and the detailed description:

[0021] Please refer to Figs. 1-2 The embodiment 1 is described as follows: a casing 10 is fixed on a cutting plate 11, and an opening is formed at the lower end of the casing 10. A sliding plate 12 is slidably connected in the casing 10, and the sliding plate 12 is limited in sliding in the casing 10. A tool holder 13 is fixedly connected to the lower end of the sliding plate 12. A cutter 14 is installed at the lower end of the tool holder 13, and the cutter 14 cuts the film. The cutting plate 11 is arranged at the lower end of the cutter 14, and the cutting plate 11 is used for film cutting. The sliding plate 12 is fixedly connected with a connecting shaft 15. A bearing 22 is sleeved on the connecting shaft 15. A pressure roller 21 is sleeved on the bearing 22. The pressure roller 21 is abutted with a cam 19. The cam 19 is fixedly connected to a rotating shaft 18. The cam 19 rotates to drive the pressure roller 21 to move, thereby cutting. The bearing 22 enables the pressure roller 21 to roll, thereby reducing abrasion. The rotating shaft 18 is rotatably connected in the casing 10. The rotating shaft 18 is fixedly connected to an output end of a motor 20. The motor 20 provides power for the rotating shaft 18. Two sets of cams 19 can be arranged on the rotating shaft 18 to improve stability. The connecting shaft 15 is further fixedly connected with a pneumatic rod 16. The pneumatic rod 16 extends out of the casing 10. The pneumatic rod 16 supports the cutter 14. The pneumatic rod 16 is elastically connected to an output end of a pneumatic cylinder 17. The pneumatic cylinder 17 is fixedly connected to the cutting plate 11. The pneumatic cylinder 17 and the pneumatic rod 16 are equivalent to a pneumatic spring, which is used for resetting.

[0022] In the embodiment, the motor 20 is started. The motor 20 rotates to drive the rotating shaft 18 to rotate. The rotating shaft 18 rotates to drive the cam 19 to rotate. The cam 19 rotates to drive the pressure roller 21 abutted therewith to rotate. The protrusions of the cam 19 press the pressure roller 21. The pressure roller 21 acts on the connecting shaft 15. The connecting shaft 15 drives the sliding plate 12 to move downward. The sliding plate 12 drives the connecting shaft 15 to move downward. The connecting shaft 15 drives the pneumatic rod 16 to press the pneumatic cylinder 17, thereby realizing the downward movement of the cutter 14. The cutter 14 cuts the film. The length of the film can be adjusted. The structure is simple, practical, and convenient to maintain.

Claims

1. An automated film-cutting device for bottomless adhesive tape, comprising a housing (10), characterized in that: A sliding plate (12) is slidably connected inside the housing (10). The lower end of the slide plate (12) is fixedly connected to a knife holder (13), and a knife (14) is installed at the lower end of the knife holder (13). A cutting plate (11) is provided at the lower end of the knife (14). A skateboard (12) is fixedly connected to a connecting shaft (15) at both ends. A bearing (22) is sleeved on the connecting shaft (15). A pressure roller (21) is sleeved on the bearing (22). A cam (19) is attached to the upper end of the pressure roller (21). The cam (19) is fixedly connected to the rotating shaft (18).

2. The automated film-cutting device for bottomless adhesive tape according to claim 1, characterized in that: The rotating shaft (18) is rotatably connected inside the housing (10), and one end of the rotating shaft (18) is fixedly connected to the output end of the motor (20).

3. The automated film-cutting device for bottomless adhesive tape according to claim 1, characterized in that: A pneumatic rod (16) is also fixedly connected to the connecting shaft (15), and the pneumatic rod (16) extends out of the housing (10).

4. The automated film-cutting device for bottomless adhesive tape according to claim 3, characterized in that: One end of the pneumatic rod (16) extending out of the housing (10) is elastically connected to the output end of the pneumatic cylinder (17), which is fixedly connected to the cutting plate (11).

Citation Information

Patent Citations

  • Automatic film cutting device

    CN112405648A