Cutting equipment capable of automatically adjusting slitting width of plastic film
By adopting a telescopic rod and motor-driven structure in the plastic film cutting equipment, rapid adjustment of the cutting width is achieved, solving the complex adjustment of existing equipment, and improving the convenience of operation and cutting efficiency.
Patent Information
- Application Number
- CN202420187543.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-26
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-01-26
AI Technical Summary
The existing plastic film cutting equipment needs to remove the upper and lower cutting rollers when adjusting the cutting width. The adjustment process is complicated and cumbersome, and it is impossible to adjust the cutting width easily and quickly.
An automatic adjustable plastic film slitting width cutting device including base, unwinding assembly, cutting assembly and winding assembly is designed. It adopts a telescopic rod, a mobile plate, a bidirectional screw and a motor driven structure through a bidirectional screw Drive the moving plate to move, so that the upper cutting knife abuts the knife in the multi-cutting roller, and achieves rapid adjustment of the cutting width.
It realizes rapid and convenient adjustment of the cutting width of plastic film, simplifies the operation process of the equipment, and improves the cutting efficiency and accuracy.
Smart Images

Figure CN222345690U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic film cutting equipment, in particular to a cutting equipment capable of automatically adjusting the slitting width of plastic films. Background Art
[0002] Plastic film is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins. Among them, PE plastic film is often used as the inner film of composite flexible packaging materials. When processing plastic film, cutting equipment is required to cut the plastic film.
[0003] The existing plastic film cutting equipment is basically composed of components such as a bracket, an upper cutting roller, a lower cutting roller and a winding roller. During use, the existing plastic film cutting equipment first fixes the plastic film roll to the bracket, then passes one end of the plastic film through the gap between the upper cutting roller and the lower cutting roller, the upper cutting roller and the lower cutting roller cut the plastic film, and then the cut multiple plastic films are wound onto the winding roller, thereby completing the cutting of the plastic film.
[0004] When the above device is used, when the cutting width of the plastic film needs to be adjusted, the upper cutting roller and the lower cutting roller need to be removed, and then the cutting knives on the outer walls of the upper cutting roller and the lower cutting roller need to be adjusted. The adjustment process is complicated and cumbersome, and the cutting width of the plastic film cannot be adjusted conveniently and quickly. Utility Model Content
[0005] The utility model aims to provide a cutting device which can automatically adjust the cutting width of plastic films and has the characteristics of conveniently and quickly adjusting the cutting width of plastic films.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutting device with automatically adjustable plastic film slitting width, comprising a base, the upper end surface of the base being fixedly connected to a unwinding assembly, a cutting assembly and a winding assembly, respectively, the cutting assembly comprising a fixed frame fixedly connected to the upper end surface of the base, the lower end surface of the fixed frame being fixedly connected to a plurality of evenly distributed telescopic rods, the other ends of the plurality of telescopic rods being commonly fixedly connected to an upper mounting box, the internal upper end of the upper mounting box being slidably connected to two front-and-rear distributed movable plates, the internal parts of the two movable plates being rotatably connected to an upper cutting knife, the internal parts of the upper mounting box being rotatably connected to a bidirectional screw rod threadedly connected to the two movable plates, the upper end surface of the base being fixedly connected to a lower mounting box, the internal parts of the lower mounting box being rotatably connected to a multi-knife cutting roller.
[0007] In order to fix the plastic film roll between the two first vertical plates, as a preferred cutting device with automatically adjustable plastic film slitting width of the utility model, the unwinding assembly includes two first vertical plates fixedly connected to the upper end faces of the base, the two first vertical plates are located on the left side of the fixed frame and distributed front and back, an unwinding shaft is rotatably connected between the two first vertical plates, and an unwinding roller is fixedly connected to the outer wall of the unwinding shaft.
[0008] In order to continuously cut the plastic film, as a preferred cutting device with automatically adjustable plastic film slitting width of the utility model, the winding assembly includes two second vertical plates fixedly connected to the upper end surface of the base, the two second vertical plates are located on the right side of the fixed frame and distributed front and back, a winding shaft is rotatably connected between the two second vertical plates, and the outer wall of the winding shaft is fixedly connected to a plurality of winding rollers distributed front and back.
[0009] In order to prevent the cutting quality of the plastic film from being affected, as a preferred cutting device for automatically adjusting the slitting width of the plastic film of the utility model, the upper end surface of the base is fixedly connected with a plurality of evenly distributed third vertical plates located on both sides of the fixed frame, and the front and rear two of the plurality of third vertical plates form a group, and two upper and lower distributed limiting rollers are rotatably connected between each group of the third vertical plates.
[0010] In order to provide power for the rotation of the bidirectional screw, as a preferred cutting device with automatically adjustable plastic film slitting width of the utility model, a first motor is installed on the front end face of the upper mounting box, and the output end of the first motor passes through the upper mounting box and is fixedly connected to the bidirectional screw.
[0011] In order to provide power for the rotation of the multi-blade cutting roller, as a preferred cutting device of the utility model that can automatically adjust the plastic film slitting width, a second motor is installed on the front end surface of the lower mounting box, and the output end of the second motor passes through the lower mounting box and is fixedly connected to the multi-blade cutting roller.
[0012] In order to provide power for the rotation of the winding shaft, as a preferred cutting device with automatically adjustable plastic film slitting width of the utility model, a third motor is installed on the front end surface of the second vertical plate in front, and the output end of the third motor passes through the second vertical plate and is fixedly connected to the winding shaft.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] When the cutting width of the plastic film needs to be adjusted, the first motor is started, the first motor drives the bidirectional screw to rotate, and the bidirectional screw drives the two movable plates to move in opposite directions, so that the upper cutting knife abuts against other knives in the multi-knife cutting roller, and then the cutting width of the plastic film is adjusted, thereby conveniently and quickly adjusting the cutting width of the plastic film. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a front structural schematic diagram of the utility model;
[0017] Figure 3 It is a right side structural schematic diagram of the utility model;
[0018] In the figure: 1. base; 2. fixed frame; 3. telescopic rod; 4. upper mounting box; 5. movable plate; 6. upper cutting knife; 7. bidirectional screw rod; 8. lower mounting box; 9. multi-knife cutting roller; 10. first vertical plate; 11. unwinding shaft; 12. unwinding roller; 13. second vertical plate; 14. rewinding shaft; 15. rewinding roller; 16. third vertical plate; 17. limit roller; 18. first motor; 19. second motor; 20. third motor. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, in the description of the utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0020] See also Figures 1 to 3 A cutting device with automatically adjustable plastic film slitting width comprises a base 1, the upper end surface of the base 1 is respectively fixedly connected with an unwinding assembly, a cutting assembly and a winding assembly, the cutting assembly comprises a fixed frame 2 fixedly connected with the upper end surface of the base 1, the lower end surface of the fixed frame 2 is fixedly connected with a plurality of evenly distributed telescopic rods 3, the other ends of the plurality of telescopic rods 3 are commonly fixedly connected with an upper mounting box 4, the upper end of the upper mounting box 4 is slidably connected with two front-and-rear distributed moving plates 5, the two moving plates 5 are internally rotatably connected with an upper cutting knife 6, the upper mounting box 4 is internally rotatably connected with a bidirectional screw rod 7 threadedly connected with the two moving plates 5, the upper end surface of the base 1 is fixedly connected with a lower mounting box 8, the lower mounting box 8 is internally rotatably connected with a multi-knife cutting roller 9.
[0021] In this embodiment: first, the plastic film roll is fixed to the unwinding assembly, and then one end of the plastic film roll is passed through the gap between the upper mounting box 4 and the lower mounting box 8, and then the telescopic rod 3 is extended to drive the upper mounting box 4 and the upper cutting knife 6 to move downward, so that the upper cutting knife 6 abuts against one of the knives of the multi-knife cutting roller 9, and then the multi-knife cutting roller 9 rotates, and the multi-knife cutting roller 9 drives the upper cutting knife 6 to rotate, and the plastic film roll is cut, and the multiple strips of plastic film after cutting are respectively fixed to the winding assembly, and then the cut plastic film is collected;
[0022] When the cutting width of the plastic film needs to be adjusted, the bidirectional screw rod 7 is rotated, and the bidirectional screw rod 7 drives the two movable plates 5 to move in opposite directions, so that the upper cutting knife 6 abuts against other knives in the multi-knife cutting roller 9, and then the cutting width of the plastic film is adjusted, thereby conveniently and quickly adjusting the cutting width of the plastic film.
[0023] As a technical optimization solution of the utility model, the unwinding assembly includes two first vertical plates 10 fixedly connected to the upper end surface of the base 1, the two first vertical plates 10 are located on the left side of the fixed frame 2 and distributed front and back, an unwinding shaft 11 is rotatably connected between the two first vertical plates 10, and an unwinding roller 12 is fixedly connected to the outer wall of the unwinding shaft 11.
[0024] In this embodiment, the unwinding roller 12 can fix the plastic film roll between the two first vertical plates 10, and the unwinding shaft 11 can rotate the plastic film roll.
[0025] As a technical optimization solution of the utility model, the winding assembly includes two second vertical plates 13 fixedly connected to the upper end surface of the base 1, the two second vertical plates 13 are located on the right side of the fixed frame 2 and distributed front and back, a winding shaft 14 is rotatably connected between the two second vertical plates 13, and a plurality of winding rollers 15 distributed front and back are fixedly connected to the outer wall of the winding shaft 14.
[0026] In this embodiment: after the multiple plastic films after cutting are fixed to multiple winding rollers 15 respectively, the winding shaft 14 rotates, and the winding shaft 14 drives the winding rollers 15 to rotate. The winding rollers 15 pull the unwinding rollers 12 to rotate through the plastic film, thereby continuously cutting the plastic film.
[0027] As a technical optimization solution of the utility model, the upper end surface of the base 1 is fixedly connected with a plurality of evenly distributed third vertical plates 16 located on both sides of the fixed frame 2. The plurality of third vertical plates 16 are grouped into two front and rear ones, and each group of third vertical plates 16 is rotatably connected with two upper and lower distributed limiting rollers 17.
[0028] In this embodiment, the limiting roller 17 can limit the position of the plastic film to prevent the plastic film from being displaced or offset during the cutting process, thereby affecting the cutting quality of the plastic film.
[0029] As a technical optimization solution of the utility model, a first motor 18 is installed on the front end surface of the upper mounting box 4 , and the output end of the first motor 18 passes through the upper mounting box 4 and is fixedly connected to the bidirectional screw rod 7 .
[0030] In this embodiment: the first motor 18 is started, and the first motor 18 drives the bidirectional screw rod 7 to rotate, thereby providing power for the rotation of the bidirectional screw rod 7 .
[0031] As a technical optimization solution of the utility model, a second motor 19 is installed on the front end surface of the lower mounting box 8 , and the output end of the second motor 19 passes through the lower mounting box 8 and is fixedly connected to the multi-blade cutting roller 9 .
[0032] In this embodiment, the second motor 19 is started, and the second motor 19 drives the multi-blade cutting roller 9 to rotate, thereby providing power for the rotation of the multi-blade cutting roller 9.
[0033] As a technical optimization solution of the present invention, a third motor 20 is installed on the front end surface of the second vertical plate 13 , and the output end of the third motor 20 passes through the second vertical plate 13 and is fixedly connected to the winding shaft 14 .
[0034] In this embodiment, the third motor 20 is started, and the third motor 20 drives the winding shaft 14 to rotate, thereby providing power for the rotation of the winding shaft 14 .
[0035] Working principle: first fix the plastic film roll between the two first vertical plates 10, then pass one end of the plastic film roll through the gap between the plurality of limiting rollers 17 and the upper mounting box 4 and the lower mounting box 8, then extend the telescopic rod 3, drive the upper mounting box 4 and the upper cutting knife 6 to move downward, so that the upper cutting knife 6 abuts against one of the knives in the multi-knife cutting roller 9, then start the second motor 19, the second motor 19 drives the multi-knife cutting roller 9 to rotate, the multi-knife cutting roller 9 drives the upper cutting knife 6 to rotate, cut the plastic film roll, and then fix the multiple strips of plastic film after cutting to the winding assembly respectively, then start the third motor 20, the third motor 20 drives the winding shaft 14 to rotate, the winding shaft 14 drives the winding roller 15 to rotate, the winding roller 15 pulls the unwinding roller 12 to rotate through the plastic film, and then collects the cut plastic film, thereby continuously cutting the plastic film;
[0036] When the cutting width of the plastic film needs to be adjusted, the first motor 18 is started, and the first motor 18 drives the bidirectional screw rod 7 to rotate, and the bidirectional screw rod 7 drives the two movable plates 5 to move in opposite directions, so that the upper cutting knife 6 abuts against other knives in the multi-knife cutting roller 9, and then the cutting width of the plastic film is adjusted, thereby conveniently and quickly adjusting the cutting width of the plastic film.
[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A cutting device capable of automatically adjusting the slitting width of a plastic film, comprising a base (1), wherein an unwinding assembly, a cutting assembly and a winding assembly are respectively fixedly connected to the upper end surface of the base (1), characterized in that: The cutting assembly comprises a fixed frame (2) fixedly connected to the upper end surface of the base (1); a plurality of evenly distributed telescopic rods (3) are fixedly connected to the lower end surface of the fixed frame (2); the other ends of the plurality of telescopic rods (3) are fixedly connected to an upper mounting box (4); the upper end of the upper mounting box (4) is slidably connected to two front-to-rear distributed movable plates (5); the two movable plates (5) are internally rotatably connected to upper cutting knives (6); the upper mounting box (4) is internally rotatably connected to a bidirectional screw rod (7) threadedly connected to the two movable plates (5); the upper end surface of the base (1) is fixedly connected to a lower mounting box (8); the lower mounting box (8) is internally rotatably connected to a multi-knife cutting roller (9).
2. The cutting device capable of automatically adjusting the slitting width of plastic film according to claim 1, characterized in that: The unwinding assembly comprises two first vertical plates (10) fixedly connected to the upper end surface of the base (1), the two first vertical plates (10) being located on the left side of the fixed frame (2) and distributed front to back, an unwinding shaft (11) being rotatably connected between the two first vertical plates (10), and an unwinding roller (12) being fixedly connected to the outer wall of the unwinding shaft (11).
3. The cutting device capable of automatically adjusting the slitting width of plastic film according to claim 1, characterized in that: The winding assembly comprises two second vertical plates (13) fixedly connected to the upper end surface of the base (1), the two second vertical plates (13) being located on the right side of the fixed frame (2) and distributed front and back, a winding shaft (14) being rotatably connected between the two second vertical plates (13), and a plurality of winding rollers (15) distributed front and back being fixedly connected to the outer wall of the winding shaft (14).
4. The cutting device capable of automatically adjusting the slitting width of plastic film according to claim 1, characterized in that: The upper end surface of the base (1) is fixedly connected to a plurality of evenly distributed third vertical plates (16) located on both sides of the fixed frame (2); the plurality of third vertical plates (16) are grouped into two in front and rear, and each group of third vertical plates (16) is rotatably connected to two upper and lower distributed limiting rollers (17).
5. The cutting device capable of automatically adjusting the slitting width of plastic film according to claim 1, characterized in that: A first motor (18) is mounted on the front end surface of the upper mounting box (4); an output end of the first motor (18) passes through the upper mounting box (4) and is fixedly connected to the bidirectional lead screw (7).
6. The cutting device capable of automatically adjusting the slitting width of plastic film according to claim 1, characterized in that: A second motor (19) is installed on the front end surface of the lower mounting box (8), and an output end of the second motor (19) passes through the lower mounting box (8) and is fixedly connected to the multi-blade cutting roller (9).
7. The cutting device capable of automatically adjusting the plastic film slitting width according to claim 3, characterized in that: A third motor (20) is installed on the front end surface of the second vertical plate (13) in the front, and an output end of the third motor (20) passes through the second vertical plate (13) and is fixedly connected to the winding shaft (14).