Cutting mechanism for shrink film processing
By introducing a pressing assembly and a cutting assembly into the shrink film cutting mechanism, the problem of film edge rolling during the shrink film cutting process is solved, and efficient and flat cutting effect is achieved.
Patent Information
- Application Number
- CN202421923911.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-09
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-08-09
AI Technical Summary
The existing shrink film cutting mechanism lacks a compression structure for cutting edges of the shrink film, which leads to the tendency of the film edges to be curled during the cutting process, affecting the cutting effect.
A cutting mechanism is designed, including a compression assembly and a cutting assembly, which compresses the shrink film by driving the cylinder through the paper plate, and uses a lead screw and a motor to drive the cutting knife to ensure that the edge of the film does not curl.
The flat cutting of the shrink film is achieved, the cutting effect is improved, and the problem of film edge curling is avoided.
Smart Images

Figure CN223130777U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shrink film processing, and particularly relates to a cutting mechanism for shrink film processing. Background Art
[0002] Shrink film has high puncture resistance, good shrinkability and certain shrink stress, and is mainly used in the sales and transportation processes of various products to stabilize, cover and protect products. Shrink packaging not only makes the appearance beautiful, but also plays the roles of moisture-proof, dust-proof, anti-loosening, anti-theft and aggregation. In the process of shrink film processing, a cutting mechanism is required to cut the shrink film. However, the existing shrink film cutting mechanism lacks a pressing structure for the cut edge of the shrink film during the cutting process. The inability to press the cut edge of the shrink film will cause curling during the film cutting process, affecting the cutting effect of the shrink film. Summary of the Utility Model
[0003] Aiming at the above deficiencies in the prior art, the utility model provides a cutting mechanism for shrink film processing, aiming to solve the problems that the existing shrink film cutting mechanism lacks a pressing structure for the cut edge of the shrink film during the cutting process, and the inability to press the cut edge of the shrink film will cause curling during the film cutting process, affecting the cutting effect of the shrink film.
[0004] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is as follows:
[0005] A cutting mechanism for shrink film processing includes a bottom plate, a feeding mechanism is arranged on the bottom plate, a driving mechanism is arranged on one side of the feeding mechanism, and a cutting mechanism is arranged on the side of the driving mechanism away from the feeding mechanism;
[0006] The cutting mechanism includes a workbench fixedly arranged on the top of the bottom plate, a strip-shaped through hole is opened on the workbench, a sliding groove is opened on the top of the workbench, a cutting assembly is arranged on the top of the workbench, and a pressing assembly is arranged in the sliding groove.
[0007] The cutting assembly includes two first fixing plates symmetrically arranged on the top of the workbench. A lead screw is rotatably connected between the two first fixing plates. A first motor is installed on one of the first fixing plates, and the output shaft of the first motor is fixedly connected to one end of the lead screw. A slider is threadedly connected to the lead screw, and a cutting knife is fixedly arranged on the slider.
[0008] Further, the pressing assembly includes two mounting seats symmetrically arranged on the top of the workbench. A cylinder is installed on the mounting seat. A U-shaped pressing plate is arranged in the sliding groove, and the piston rod of the cylinder is fixedly connected to the U-shaped pressing plate.
[0009] Further, the U-shaped pressing plate is slidably connected to the sliding groove.
[0010] Further, the slider and the U-shaped pressing plate are slidably arranged.
[0011] Further, the feeding mechanism includes two support plates symmetrically arranged on the top of the bottom plate. A clamping groove is formed on the top of the support plate, and a feeding shaft is arranged in the clamping groove.
[0012] Further, the driving mechanism includes two second fixing plates symmetrically arranged on the top of the bottom plate. A first driving roller and a second driving roller arranged in pairs with the first driving roller are rotatably connected between the two second fixing plates. A motor seat is fixedly arranged on one of the second fixing plates, a second motor is installed on the motor seat, an output shaft of the second motor is fixedly connected to one end of the first driving roller, a first gear is fixedly installed at one end of the first driving roller, a second gear is fixedly installed at one end of the second driving roller, and the first gear and the second gear are meshed with each other.
[0013] The beneficial effects of the present utility model are as follows:
[0014] For the cutting mechanism for shrink film processing of the present utility model, through the arranged cutting mechanism, the shrink film passes through the strip-shaped through hole, the pressing component presses the shrink film, the cutting component cuts the shrink film, and the cut shrink film is not easy to curl, and the cutting effect is good. Description of the Drawings
[0015] Figure 1 is the three-dimensional structural schematic diagram of the present utility model;
[0016] Figure 2 is the cross-sectional structural schematic diagram of the cutting mechanism of the present utility model.
[0017] Correspondence Table of Reference Numerals:
[0018] 1. Bottom plate; 2. Feeding mechanism; 3. Driving mechanism; 4. Cutting mechanism; 5. Workbench; 6. Strip-shaped through hole; 7. Sliding groove; 8. First fixing plate; 9. Lead screw; 10. First motor; 11. Slide block; 12. Cutting knife; 13. Mounting seat; 14. Cylinder; 15. U-shaped pressing plate; 16. Support plate; 17. Clamping groove; 18. Feeding shaft; 19. Second fixing plate; 20. First driving roller; 21. Second driving roller; 22. Motor seat; 23. Second motor; 24. First gear; 25. Second gear. Detailed Embodiment
[0019] The following further describes the detailed embodiment of the present utility model with reference to the drawings. The same components are denoted by the same reference numerals.
[0020] It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific component.
[0021] To make the content of the present utility model easier to be clearly understood, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model.
[0022] As Figures 1 to 2 shown, a cutting mechanism for shrink film processing includes a bottom plate 1. A feeding mechanism 2 is provided on the bottom plate 1. The feeding mechanism 2 includes two symmetrically arranged support plates 16 on the top of the bottom plate 1. A card slot 17 is opened on the top of the support plate 16. A feeding shaft 18 is arranged in the card slot 17. The shrink film is wound around the feeding shaft 18. The feeding shaft 18 is placed in the card slot 17 and can rotate in the card slot 17.
[0023] On one side of the feeding mechanism 2, there is a driving mechanism 3. The driving mechanism 3 includes two symmetrically arranged second fixing plates 19 on the top of the bottom plate 1. A first driving roller 20 and a second driving roller 21 paired with the first driving roller 20 are rotatably connected between the two second fixing plates 19. A motor seat 22 is fixedly arranged on one of the second fixing plates 19. A second motor 23 is installed on the motor seat 22. The output shaft of the second motor 23 is fixedly connected to one end of the first driving roller 20. A first gear 24 is fixedly installed at one end of the first driving roller 20. A second gear 25 is fixedly installed at one end of the second driving roller 21. The first gear 24 and the second gear 25 are meshed with each other.
[0024] Through the arranged driving mechanism 3, the shrink film is passed through the first driving roller 20 and the second driving roller 21. The first driving roller 20 and the second driving roller 21 squeeze the shrink film. The second motor 23 drives the first driving roller 20 and the first gear 24 to rotate. The first gear 24 drives the second gear 25 and the second driving roller 21 to rotate, so as to drive the shrink film.
[0025] On the side of the driving mechanism 3 away from the feeding mechanism 2, there is a cutting mechanism 4. The cutting mechanism 4 includes a workbench 5 fixedly arranged on the top of the bottom plate 1. A strip-shaped through hole 6 is opened on the workbench 5. A chute 7 is opened on the top of the workbench 5. The shrink film passes through the strip-shaped through hole 6. After determining the cutting length, the driving mechanism 3 stops moving.
[0026] A pressing component is arranged in the chute 7. The pressing component includes two symmetrically arranged mounting seats 13 on the top of the workbench 5. A cylinder 14 is installed on the mounting seat 13. A U-shaped pressing plate 15 is arranged in the chute 7. The piston rod of the cylinder 14 is fixedly connected to the U-shaped pressing plate 15. The U-shaped pressing plate 15 is slidably connected to the chute 7.
[0027] Through the arranged pressing component, the cylinder 14 drives the U-shaped pressing plate 15 to move downward, and the U-shaped pressing plate 15 presses the shrink film tightly.
[0028] A cutting component is provided on the top of the workbench 5. The cutting component includes two first fixing plates 8 symmetrically arranged on the top of the workbench 5. A lead screw 9 is rotatably connected between the two first fixing plates 8. A first motor 10 is installed on one of the first fixing plates 8. The output shaft of the first motor 10 is fixedly connected to one end of the lead screw 9. A slider 11 is threadedly connected to the lead screw 9. The slider 11 is slidably arranged with a loop-shaped pressing plate 15. A cutting knife 12 is fixedly provided on the slider 11.
[0029] Through the provided cutting component, the first motor 10 drives the lead screw 9 to rotate, the lead screw 9 drives the slider 11 and the cutting knife 12 to move, and cuts the shrink film. Since the loop-shaped pressing plate 15 presses the shrink film, the cut shrink film will not curl.
[0030] The above are only the preferred embodiments of the utility model patent, and are not intended to limit the utility model patent. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the utility model patent shall be included in the protection scope of the utility model patent.
Claims
1. A cutting mechanism for shrink film processing, characterized in that, It includes a bottom plate (1), a feeding mechanism (2) is provided on the bottom plate (1), a driving mechanism (3) is provided on one side of the feeding mechanism (2), and a cutting mechanism (4) is provided on the side of the driving mechanism (3) away from the feeding mechanism (2); The cutting mechanism (4) includes a workbench (5) fixedly arranged on the top of the bottom plate (1), a strip-shaped through hole (6) is formed in the workbench (5), a sliding groove (7) is formed in the top of the workbench (5), a cutting assembly is arranged on the top of the workbench (5), and a pressing assembly is arranged in the sliding groove (7); The cutting assembly includes two first fixing plates (8) symmetrically arranged on the top of the workbench (5), a lead screw (9) is rotatably connected between the two first fixing plates (8), a first motor (10) is installed on one of the first fixing plates (8), an output shaft of the first motor (10) is fixedly connected with one end of the lead screw (9), a slider (11) is threadedly connected to the lead screw (9), and a cutting knife (12) is fixedly arranged on the slider (11).
2. The cutting mechanism for shrink film processing according to claim 1, characterized in that: The pressing assembly includes two mounting seats (13) symmetrically arranged on the top of the workbench (5), a cylinder (14) is installed on the mounting seat (13), a U-shaped pressing plate (15) is arranged in the sliding groove (7), and a piston rod of the cylinder (14) is fixedly connected with the U-shaped pressing plate (15).
3. The cutting mechanism for shrink film processing according to claim 2, wherein: The U-shaped pressing plate (15) is slidably connected with the sliding groove (7).
4. A cutting mechanism for shrink film processing according to claim 3, characterized in that: The slider (11) is slidably arranged with the U-shaped pressing plate (15).
5. The cutting mechanism for shrink film processing according to claim 1, wherein: The feeding mechanism (2) includes two supporting plates (16) symmetrically arranged on the top of the bottom plate (1), a card slot (17) is formed in the top of the supporting plate (16), and a feeding shaft (18) is arranged in the card slot (17).
6. The cutting mechanism for shrink film processing according to claim 5, wherein: The driving mechanism (3) includes two second fixing plates (19) symmetrically arranged on the top of the bottom plate (1), a first driving roller (20) and a second driving roller (21) arranged in pairs with the first driving roller (20) are rotatably connected between the two second fixing plates (19), a motor seat (22) is fixedly arranged on one of the second fixing plates (19), a second motor (23) is installed on the motor seat (22), an output shaft of the second motor (23) is fixedly connected with one end of the first driving roller (20), a first gear (24) is fixedly installed at one end of the first driving roller (20), a second gear (25) is fixedly installed at one end of the second driving roller (21), and the first gear (24) and the second gear (25) are meshed with each other.