A tool for cutting protective film of fuselage floor beam

By designing the smoothing mechanism and cutting mechanism of the protective film cutting tool of the fuselage floor beam protective film, the problems of edge tear deformation and dimensional error of the protective film during the cutting process are solved, achieving higher cutting accuracy and product quality.

CN222697294UActive Publication Date: 2025-04-01SUZHOU MEIRUISHI TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421222319.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-04-01
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

When cutting protective film with tool, it is easy to cause tearing and deforming the edges of the film layer, resulting in dimensional errors and affecting the progress of subsequent work.

Method used

A fuselage floor beam protective film cutting tool is designed, including a smoothing mechanism and a cutting mechanism. The smoothing mechanism presses the protective film through the smoothing roller to prevent the cutter from twisting and deforming; the cutting mechanism uses a slider to drive the cutter to slide in the slide groove to achieve flat cutting.

Benefits of technology

Through the flattening effect of the smoothing roller, the wrinkles during the cutting process are reduced and the cutting accuracy is improved; the design of the cutting mechanism ensures that the cut is flat, reduces dimensional errors, and improves product quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222697294U_ABST
    Figure CN222697294U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of cutting protective films, and discloses a tool for cutting protective films of fuselage floor beams, including a base, a mounting plate is provided at one end of the base, a protective film is rotatably mounted inside the mounting plate, a support plate is provided at one side of the mounting plate, a smoothing mechanism is provided inside the support plate for flattening the protective film when cutting, and a cutting mechanism is provided at one side of the support plate for cutting the protective film. By pulling one end of the protective film to pass under the smoothing roller, due to the use of a spring, the smoothing roller always presses the protective film, and the pulling continues for measurement. After reaching the length, the slider is pushed to drive the cutter to slide in the first slide groove, so that the cutter moves from left to right to cut the protective film. After the cutter has finished cutting, the knob is turned to move the cutter upward. This design can smooth and press the protective film when cutting the protective film, reduce wrinkles during the cutting process, and improve the accuracy of cutting the protective film.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of protective film cutting, in particular to a tool for cutting protective film of a fuselage floor beam. Background Art

[0002] At present, the aircraft fuselage floor beam is an indispensable part of the aircraft structure. It carries important functions and safety responsibilities. It can ensure that the aircraft fuselage floor beam has sufficient strength and stability to provide passengers with a safe and comfortable flight environment. After the fuselage cabin floor beam is processed, a layer of protective film will be pasted on the upper surface of the floor beam to prevent damage to the floor beam.

[0003] Current technology uses cutting tools to cut the protective film, which causes the edges of the protective film to be torn and deformed, resulting in large dimensional errors in the packaging materials and fuselage floor beams after cutting, which is not conducive to subsequent work. Utility Model Content

[0004] In order to solve the technical problem that when a cutter is used to cut the protective film, the edge of the protective film is torn and deformed, resulting in large size errors of the packaging material and the fuselage floor beam after cutting, the utility model provides a fuselage floor beam protective film cutting tool.

[0005] The utility model is implemented by the following technical scheme: a fuselage floor beam protective film cutting tool, comprising a base, a mounting plate is arranged at one end of the base, a protective film is rotatably mounted inside the mounting plate, a support plate is arranged at one side of the mounting plate, a smoothing mechanism is arranged inside the support plate for flattening the protective film when cutting, and a cutting mechanism is arranged at one side of the support plate for cutting the protective film.

[0006] As a further improvement of the above solution, the smoothing mechanism includes a rotating shaft fixedly installed inside the support plate, a side plate is rotatably installed on the surface of the rotating shaft, and a smoothing roller is rotatably installed on the end of the side plate.

[0007] Through the above technical solution, when in use, the smoothing roller presses the protective film so that the protective film is flattened during cutting, preventing the incision from being twisted and deformed, thereby improving the accuracy of cutting.

[0008] As a further improvement of the above solution, the top end of the support plate is fixedly connected to a top plate, the middle portion of the side plate is fixedly connected to a cross plate, and a spring is fixedly connected between the cross plate and the top plate.

[0009] Through the above technical solution, when in use, the spring presses the cross plate, so that the cross plate presses the smoothing roller, so that the smoothing roller always presses the protective film, thereby facilitating the use of protective films of different thicknesses.

[0010] As a further improvement of the above scheme, the cutting mechanism includes a bracket fixedly connected to the top of the base, a first slide groove is provided on the top of the bracket, a slider is slidably connected inside the first slide groove, a cutter is provided at the bottom of the slider, and a cutting groove is provided on the upper surface of the base below the cutter.

[0011] Through the above technical solution, when in use, the slider drives the cutter to slide in the first slide groove, so that the cutter moves from left to right to cut the protective film, the incision is smooth, and the product quality is improved.

[0012] As a further improvement of the above scheme, a second sliding groove is provided at the bottom of the slider, and a movable plate is slidably connected inside the second sliding groove. The top of the movable plate is fixedly connected to a knob threadedly connected to the top of the slider, and fixed plates are fixedly connected on both sides of the movable plate, and the fixed plates are fixedly connected to the cutter.

[0013] Through the above technical solution, when in use, after the cutter has completed cutting, the knob is turned to move the cutter upward, so as to prevent scratches when the staff pulls the protective film, thereby improving safety.

[0014] As a further improvement of the above solution, a third slide groove is opened on the upper surface of the base, and one of the mounting plates slides inside the third slide groove, and the bottom height of the mounting plate is connected to a turntable which is screwed to the side of the base.

[0015] Through the above technical solution, when in use, the mounting plate slides in the third slide groove, thereby facilitating the disassembly and assembly of the protective film and improving work efficiency.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model pulls one end of the protective film to pass under the smoothing roller. Due to the use of a spring, the smoothing roller always presses the protective film and continues to pull for measurement. After reaching the length, the slider is pushed to drive the cutter to slide in the first slide groove, so that the cutter moves from left to right to cut the protective film. After the cutter completes the cutting, the knob is turned to move the cutter upward to prevent scratches when the staff pulls the protective film. The design can smooth and press the protective film when cutting the protective film, reduce wrinkles during the cutting process, and improve the accuracy of cutting the protective film. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the smoothing mechanism of the utility model;

[0020] Figure 3 For this utility model Figure 1Enlarged structural diagram at A in the middle.

[0021] Description of main symbols:

[0022] 1. Base; 2. Mounting plate; 3. Protective film; 4. Support plate; 5. Top plate; 6. Rotating shaft; 7. Side plate; 8. Smoothing roller; 9. Horizontal plate; 10. Spring; 11. Bracket; 12. First slide groove; 13. Sliding block; 14. Knob; 15. Second slide groove; 16. Moving plate; 17. Fixed plate; 18. Cutter; 19. Cutting groove; 20. Third slide groove; 21. Turntable. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0024] Example:

[0025] Please combine Figure 1 - Figure 3 A fuselage floor beam protective film cutting tool of this embodiment includes a base 1, a mounting plate 2 is provided at one end of the base 1, a protective film 3 is rotatably installed inside the mounting plate 2, a support plate 4 is provided on one side of the mounting plate 2, a smoothing mechanism is provided inside the support plate 4 for flattening the protective film 3 when cutting, and a cutting mechanism is provided on one side of the support plate 4 for cutting the protective film 3.

[0026] Please combine Figure 2 The smoothing mechanism includes a rotating shaft 6 fixedly installed inside the supporting plate 4, a side plate 7 is rotatably installed on the surface of the rotating shaft 6, and a smoothing roller 8 is rotatably installed on the end of the side plate 7.

[0027] When in use, the smoothing roller 8 presses the protective film 3 so that the protective film 3 is flattened during cutting, thereby preventing the cut from being twisted and deformed, and improving the precision of cutting.

[0028] Please combine Figure 2 The top of the support plate 4 is fixedly connected to the top plate 5 , the middle of the side plate 7 is fixedly connected to the cross plate 9 , and a spring 10 is fixedly connected between the cross plate 9 and the top plate 5 .

[0029] When in use, the spring 10 presses the transverse plate 9, so that the transverse plate 9 presses the smoothing roller 8, so that the smoothing roller 8 always presses the protective film 3, thereby facilitating the use of protective films 3 of different thicknesses.

[0030] Please combine Figure 1 and Figure 3The cutting mechanism includes a bracket 11 fixedly connected to the top of the base 1, a first slide groove 12 is provided on the top of the bracket 11, a slider 13 is slidably connected inside the first slide groove 12, a cutter 18 is provided at the bottom of the slider 13, and a cutting groove 19 is provided on the upper surface of the base 1 below the cutter 18.

[0031] When in use, the slider 13 drives the cutter 18 to slide in the first slide groove 12, so that the cutter 18 moves from left to right to cut the protective film 3, and the cut is smooth, thereby improving product quality.

[0032] Please combine Figure 3 A second slide groove 15 is provided at the bottom of the slider 13, and a movable plate 16 is slidably connected inside the second slide groove 15. The top of the movable plate 16 is fixedly connected to a knob 14 threadedly connected to the top of the slider 13, and fixed plates 17 are fixedly connected to both sides of the movable plate 16, and the fixed plate 17 is fixedly connected to the cutter 18.

[0033] When in use, after the cutter 18 has completed cutting, the knob 14 is turned to move the cutter 18 upward, so as to prevent scratches when the staff pulls the protective film 3, thereby improving safety.

[0034] Please combine Figure 1 A third slide groove 20 is provided on the upper surface of the base 1, and a mounting plate 2 slides inside the third slide groove 20, and a turntable 21 connected to the side of the base 1 by screws is connected at the bottom height of the mounting plate 2.

[0035] When in use, the mounting plate 2 is made to slide in the third sliding groove 20, so that the protective film 3 is easy to disassemble and assemble, thereby improving work efficiency.

[0036] The implementation principle of a fuselage floor beam protective film cutting tool in the embodiment of the present application is: when working, rotate the turntable 21 to drive the mounting plate 2 to slide in the third slide groove 20, so that the mounting plate 2 is separated, and the protective film 3 is installed on the mounting plate 2. The operator pulls one end of the protective film 3 and passes it under the smoothing roller 8. Due to the use of the spring 10, the smoothing roller 8 always presses the protective film 3. Continue to pull and measure. After reaching the length, push the slider 13 to drive the cutter 18 to slide in the first slide groove 12, so that the cutter 18 moves from left to right to cut the protective film 3. After the cutter 18 completes the cutting, turn the knob 14 to move the cutter 18 up to prevent scratches when the staff pulls the protective film 3.

[0037] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A fuselage floor beam protective film cutting tool, comprising a base (1), one end of the base (1) is provided with a mounting plate (2), a protective film (3) is rotatably mounted inside the mounting plate (2), characterized in that: A support plate (4) is arranged on one side of the mounting plate (2), a smoothing mechanism is arranged inside the support plate (4) for flattening the protective film (3) when it is cut, and a cutting mechanism is arranged on one side of the support plate (4) for cutting the protective film (3).

2. A fuselage floor beam protective film cutting tool as claimed in claim 1, characterized in that: The smoothing mechanism comprises a rotating shaft (6) fixedly mounted inside the supporting plate (4), a side plate (7) being rotatably mounted on the surface of the rotating shaft (6), and a smoothing roller (8) being rotatably mounted on the end of the side plate (7).

3. A fuselage floor beam protective film cutting tool as claimed in claim 2, characterized in that: The top end of the support plate (4) is fixedly connected to a top plate (5), the middle of the side plate (7) is fixedly connected to a transverse plate (9), and a spring (10) is fixedly connected between the transverse plate (9) and the top plate (5).

4. A fuselage floor beam protective film cutting tool as claimed in claim 1, characterized in that: The cutting mechanism comprises a bracket (11) fixedly connected to the top of the base (1), a first slide groove (12) is provided on the top of the bracket (11), a slider (13) is slidably connected inside the first slide groove (12), a cutter (18) is provided at the bottom of the slider (13), and a cutting groove (19) is provided on the upper surface of the base (1) below the cutter (18).

5. A fuselage floor beam protective film cutting tool as claimed in claim 4, characterized in that: A second slide groove (15) is provided at the bottom of the slider (13), a movable plate (16) is slidably connected inside the second slide groove (15), a knob (14) threadedly connected to the top of the slider (13) is fixedly connected to the top of the movable plate (16), and fixed plates (17) are fixedly connected to both sides of the movable plate (16), and the fixed plates (17) are fixedly connected to the cutter (18).

6. A fuselage floor beam protective film cutting tool as claimed in claim 1, characterized in that: A third slide groove (20) is provided on the upper surface of the base (1), and one of the mounting plates (2) slides inside the third slide groove (20), and a turntable (21) is screwed to the side of the base (1) at the bottom height of the mounting plate (2).