Cutting device for film production

By adopting a rotatable guide mechanism and a movable cutting mechanism in the film cutting device, the problems of complex adjustment and cutting error of film cutting devices in the prior art are solved, and rapid and accurate cutting of films of different sizes is achieved, ensuring the film dimensional accuracy after cutting.

CN222627895UActive Publication Date: 2025-03-18ANHUI JIE CHENG PACKAGING PROD CO LTD
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Patent Information

Application Number
CN202420728735.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2025-03-18
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

The existing film cutting devices are complex and labor-intensive to adjust different sizes, and the film is easily arched due to the cutting force during the cutting process, resulting in cutting errors.

Method used

A film production and cutting device is designed, using a rotatable guide mechanism and a movable cutting mechanism. Through the cooperation of the guide mechanism and the cutting mechanism, automatic cutting of films of different lengths is realized, and through the cooperation of the press plate and the cutting knife, the film remains flat during cutting.

Benefits of technology

It realizes rapid and accurate cutting of films of different sizes, reduces manpower adjustment needs, ensures the dimensional accuracy of the film after cutting, and meets customer usage needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a film production cutting device which comprises a supporting frame, a first supporting plate fixedly connected with the top of the supporting frame, a rotatable first rotating shaft arranged on the side wall of the first supporting plate, rotatable guide mechanisms symmetrically arranged on the top of the supporting frame, and a second gear arranged on the top of the supporting frame. A movable cutting mechanism is arranged between the two guide mechanisms, the cutting mechanism comprises a rotatable cutter and a movable pressing plate, the cutting requirements of different lengths can be met by arranging the rotatable guide mechanisms, and the movable cutting mechanism is arranged to cut a film conveniently.
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Description

Technical Field

[0001] The utility model relates to the field of film production, in particular to a film production cutting device. Background Art

[0002] Film is a two-dimensional material made of plastic, adhesive, rubber or other materials, formed by atoms, molecules or ions deposited on the surface of a substrate. Films are classified by their uses: agricultural films, such as ground films and greenhouse films; packaging films, such as food packaging films and packaging films for various industrial products. In addition, there are breathable films, water-soluble films and films with piezoelectric properties used in special environments and for special purposes.

[0003] At present, in the production process of film, it is necessary to cut according to specific size requirements. Most existing cutting devices are complicated to adjust for different sizes and are labor-intensive. In addition, during the cutting process, the film is prone to slightly arch upwards under the cutting force of the cutting knife, causing the film to be not in a flat state when being cut, resulting in errors in the size of the cut film, which cannot meet the customer's usage requirements. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a film production cutting device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A film production cutting device, the cutting device includes a support frame, a first support plate fixedly connected to the top of the support frame, a rotatable first shaft is provided on the side wall of the first support plate, a rotatable guide mechanism is symmetrically provided on the top of the support frame, the guide mechanism includes a rotatable second gear, a movable cutting mechanism is provided between the two guide mechanisms, and the cutting mechanism includes a rotatable cutting knife and a movable pressing plate.

[0007] Preferably, the guide mechanism includes a second support plate, a second support plate fixedly connected is symmetrically arranged on the top of the support frame, a rotatable second rotating shaft is symmetrically arranged between the two second support plates, a round roller is sleeved on the outer wall of the second rotating shaft, and a first gear and a second gear fixedly connected are respectively arranged at the ends of the two second rotating shafts, and the first gear and the second gear are meshed;

[0008] A first motor is fixedly mounted on the side wall of one of the second support plates, an output end of the first motor is fixedly connected to the second rotating shaft, a mounting cavity is provided in the second gear, a first elastically connected fixed block is provided in the mounting cavity, the first fixed block abuts against the first gear, a fixedly connected contact sensor is provided at the bottom of the mounting cavity, and the contact sensor is located below the first fixed block.

[0009] Preferably, the cutting mechanism includes a third support plate, a third support plate is symmetrically provided on the top of the support frame and is fixedly connected, a fourth support plate is provided between the two third support plates, a fixedly connected electric cylinder is provided on the top of the fourth support plate, and a movable rack is provided at the telescopic end of the electric cylinder.

[0010] Preferably, the bottom of the rack is provided with symmetrically distributed guide columns, a slidable slider is provided on the guide column, a rotatable third gear is provided between the two sliders, the third gear is meshed with the rack, a second motor is fixedly connected to the end of one of the sliders away from the third gear, the output end of the second motor is fixedly connected to the rotating shaft of the third gear, and a rotatable cutter is provided at the end of the other slider away from the third gear, and the rotating shaft of the cutter is fixedly connected to the rotating shaft of the third gear.

[0011] Preferably, a fifth support plate is symmetrically provided on both side walls of the rack, a telescopic column is fixedly provided at the bottom of the fifth support plate, a spring is wound around the outside of the telescopic column, a pressure plate is fixedly provided between the two telescopic columns, and a second fixed block is symmetrically provided at the bottom of the pressure plate.

[0012] Preferably, a sixth supporting plate fixedly connected to the two third supporting plates is symmetrically arranged between the two third supporting plates, and a supporting plate elastically connected to the two sixth supporting plates is arranged between the two sixth supporting plates.

[0013] Preferably, a fixedly connected arc plate is provided on the side wall of the sixth support plate at the discharge port, the other end of the arc plate is fixedly connected to the second support plate at the discharge port, and a movable conveyor belt is provided on the right side of the guide mechanism at the discharge port.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, a rotatable guide mechanism is provided to meet the cutting requirements of different lengths. The first motor rotates to drive the first gear and the second gear to rotate. The contact sensor counts once when the first gear and the second gear rotate one circle. The number of contact sensor counts is adjusted according to the length to be cut. When the number of contact sensor counts is reached, the first motor is turned off and the electric cylinder is started.

[0016] 2. In the utility model, a movable cutting mechanism is provided to facilitate cutting of the film. The telescopic rod of the electric cylinder is stretched to drive the rack to move toward the film. After the second fixed block contacts the support plate, the support plate is squeezed and moves downward. The pressure plate presses the film, and the cutter cuts the film. The cut film is guided between two round rollers through the arc plate and sent to the next process by the conveyor belt. At the same time, the support plate returns to its initial state, which can support the uncut film. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the overall structure of a film production and cutting device proposed by the utility model;

[0018] Figure 2 This is a side view of a film production and cutting device proposed by the utility model;

[0019] Figure 3 It is a side view of the guide mechanism in the utility model;

[0020] Figure 4 This is a partial structural diagram of the guide mechanism in the utility model;

[0021] Figure 5 For the utility model Figure 4 A magnified picture of the details of the middle A area;

[0022] Figure 6 This is a schematic diagram of the cutting mechanism structure in the utility model;

[0023] Figure 7 This is a bottom view of the cutting mechanism portion of the utility model;

[0024] In the figure: 1. support frame; 2. guide mechanism; 3. cutting mechanism; 11. first support plate; 12. first rotating shaft; 13. conveyor belt; 21. second support plate; 22. second rotating shaft; 23. round roller; 24. first gear; 25. second gear; 26. first motor; 27. mounting cavity; 28. first fixed block; 29. ​​contact sensor; 31. third support plate; 32. fourth support plate; 33. fifth support plate; 34. sixth support plate; 35. support plate; 36. arc plate; 321. electric cylinder; 322. rack; 323. guide column; 324. slider; 325. second motor; 326. third gear; 327. cutter; 331. telescopic column; 332. pressure plate; 333. second fixed block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Reference Figure 1-7 A film production cutting device, the cutting device includes a support frame 1, a first support plate 11 is fixedly connected to the top of the support frame 1, a rotatable first shaft 12 is provided on the side wall of the first support plate 11, a film roll can be sleeved on the first shaft 12, a rotatable guide mechanism 2 is symmetrically provided on the top of the support frame 1, the guide mechanism 2 includes a second support plate 21, and a second support plate 21 is symmetrically provided on the top of the support frame 1.

[0027] A rotatable second shaft 22 is symmetrically provided between the two second support plates 21, and a round roller 23 is sleeved on the outer wall of the second shaft 22. A fixedly connected first gear 24 and a second gear 25 are respectively provided at the ends of the two second shafts 22. The first gear 24 and the second gear 25 are meshed. A fixedly connected first motor 26 is installed on the side wall of one of the second support plates 21, and the output end of the first motor 26 is fixedly connected to the second shaft 22. The rotation of the first motor 26 drives the first gear 24 to rotate, and the second gear 25 also rotates accordingly.

[0028] The second gear 25 is provided with an installation cavity 27, and a first elastically connected fixed block 28 is provided in the installation cavity 27. The first fixed block 28 abuts against the first gear 24. A fixedly connected contact sensor 29 is provided at the bottom of the installation cavity 27. The contact sensor 29 is located below the first fixed block 28. The contact sensor 29 counts once when the first gear 24 and the second gear 25 rotate one circle.

[0029] A movable cutting mechanism 3 is provided between the two guiding mechanisms 2, and the cutting mechanism 3 includes a third support plate 31. A fixedly connected third support plate 31 is symmetrically provided on the top of the support frame 1, and a fixedly connected fourth support plate 32 is provided between the two third support plates 31. A fixedly connected electric cylinder 321 is provided on the top of the fourth support plate 32, and a movable rack 322 is provided at the telescopic end of the electric cylinder 321. The stretching of the electric cylinder 321 can control the up and down movement of the rack 322.

[0030] The bottom of the rack 322 is provided with symmetrically distributed guide columns 323, and a slidable slider 324 is provided on the guide column 323. A rotatable third gear 326 is provided between the two sliders 324, and the third gear 326 is meshed with the rack 322. A fixedly connected second motor 325 is installed at one end of one slider 324 away from the third gear 326, and the output end of the second motor 325 is fixedly connected to the rotating shaft of the third gear 326. A rotatable cutter 327 is provided at one end of the other slider 324 away from the third gear 326, and the rotating shaft of the cutter 327 is fixedly connected to the rotating shaft of the third gear 326. The rotation of the second motor 325 drives the third gear 326 to rotate, and the cutter 327 also rotates accordingly.

[0031] A fifth support plate 33 is symmetrically provided on both side walls of the rack 322, a telescopic column 331 is fixedly provided at the bottom of the fifth support plate 33, a spring is wound around the outside of the telescopic column 331, a pressure plate 332 is fixedly provided between the two telescopic columns 331, a second fixed block 333 is symmetrically provided at the bottom of the pressure plate 332, the pressure plate 332 can press the film, and then the cutter 327 cuts the film.

[0032] A sixth support plate 34 is symmetrically fixedly connected between the two third support plates 31, and an elastically connected support plate 35 is provided between the two sixth support plates 34. In the initial state, the support plate 35 is at the same height as the sixth support plate 34. After determining the length of the film cutting, the film roll is put on the first rotating shaft 12, and the first motor 26 is started. The rotation of the first motor 26 drives the first gear 24 and the second gear 25 to rotate. When the contact sensor 29 counts the number of times, the first motor 26 is turned off, and the electric cylinder 321 is started. The telescopic rod of the electric cylinder 321 is stretched, and the rack 322 moves accordingly.

[0033] A fixedly connected arc plate 36 is provided on the side wall of the sixth support plate 34 at the discharge port, and the other end of the arc plate 36 is fixedly connected to the second support plate 21 at the discharge port. The film can be guided by the arc plate 36 to between the two round rollers 23. A movable conveyor belt 13 is provided on the right side of the guide mechanism 2 at the discharge port, and the cut film is sent to the next process by the conveyor belt 13.

[0034] In the present utility model, in actual use, the operator puts the film roll on the first rotating shaft 12, starts the first motor 26, and the first motor 26 rotates to drive the first gear 24 and the second gear 25 to rotate. The first gear 24 and the second gear 25 rotate one circle, and the contact sensor 29 counts once. The number of counts of the contact sensor 29 is adjusted according to the required cutting length. When the number of counts of the contact sensor 29 is reached, the first motor 26 is turned off and the electric cylinder 321 is started;

[0035] The telescopic rod of the electric cylinder 321 is stretched to drive the rack 322 to move toward the film. After the second fixed block 333 contacts the support plate 35, the support plate 35 is squeezed and moves downward, and the pressing plate 332 presses the film. When the telescopic rod of the electric cylinder 321 moves to a specified height and stops, the second motor 325 is started, and the rotation of the second motor 325 drives the third gear 326 to rotate, and the cutter 327 also rotates accordingly.

[0036] The third gear 326 moves along the rack 322, driving the cutter 327 to cut the film. After the film is cut, the telescopic rod of the electric cylinder 321 is compressed to drive the rack 322 to move away from the film. The cut film is guided to between the two round rollers 23 through the arc plate 36 and sent to the next process by the conveyor belt 13. At the same time, the support plate 35 returns to its initial state, which can support the uncut film and ensure that the cutting device can continue to cut.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A film production cutting device, the cutting device comprising a support frame (1), characterized in that: A first support plate (11) is fixedly connected to the top of the support frame (1), a first rotatable shaft (12) is provided on the side wall of the first support plate (11), a rotatable guide mechanism (2) is symmetrically provided on the top of the support frame (1), the guide mechanism (2) includes a rotatable second gear (25), and a movable cutting mechanism (3) is provided between the two guide mechanisms (2), the cutting mechanism (3) includes a rotatable cutter (327) and a movable pressing plate (332); The guide mechanism (2) comprises a second support plate (21), the top of the support frame (1) is symmetrically provided with a fixedly connected second support plate (21), a rotatable second rotating shaft (22) is symmetrically provided between the two second support plates (21), a round roller (23) is sleeved on the outer wall of the second rotating shaft (22), and a first gear (24) and a second gear (25) are respectively fixedly connected at the ends of the two second rotating shafts (22), and the first gear (24) and the second gear (25) are meshed; A first motor (26) is fixedly mounted on a side wall of one of the second support plates (21); an output end of the first motor (26) is fixedly connected to the second rotating shaft (22); a mounting cavity (27) is provided in the second gear (25); a first elastically connected fixing block (28) is provided in the mounting cavity (27); the first fixing block (28) is in contact with the first gear (24); a contact sensor (29) is fixedly mounted at the bottom of the mounting cavity (27); the contact sensor (29) is located below the first fixing block (28).

2. A film production and cutting device according to claim 1, characterized in that: The cutting mechanism (3) comprises a third support plate (31), the top of the support frame (1) is symmetrically provided with a fixedly connected third support plate (31), a fixedly connected fourth support plate (32) is provided between the two third support plates (31), a fixedly connected electric cylinder (321) is provided on the top of the fourth support plate (32), and a movable rack (322) is provided at the telescopic end of the electric cylinder (321).

3. A film production and cutting device according to claim 2, characterized in that: The bottom of the rack (322) is provided with symmetrically distributed guide columns (323), and a slidable slider (324) is provided on the guide column (323). A rotatable third gear (326) is provided between the two sliders (324), and the third gear (326) is meshed with the rack (322). A fixedly connected second motor (325) is installed at one end of one slider (324) away from the third gear (326), and the output end of the second motor (325) is fixedly connected to the rotating shaft of the third gear (326). A rotatable cutter (327) is provided at one end of the other slider (324) away from the third gear (326), and the rotating shaft of the cutter (327) is fixedly connected to the rotating shaft of the third gear (326).

4. A film production and cutting device according to claim 3, characterized in that: A fifth support plate (33) is symmetrically and fixedly connected to both side walls of the rack (322); a telescopic column (331) is fixedly connected to the bottom of the fifth support plate (33); a spring is wound around the outside of the telescopic column (331); a pressing plate (332) is fixedly connected between the two telescopic columns (331); and a second fixed block (333) is symmetrically and fixedly connected to the bottom of the pressing plate (332).

5. A film production and cutting device according to claim 4, characterized in that: A sixth support plate (34) that is fixedly connected is symmetrically arranged between the two third support plates (31), and a supporting plate (35) that is elastically connected is arranged between the two sixth support plates (34).

6. A film production and cutting device according to claim 5, characterized in that: A fixedly connected arc plate (36) is provided on the side wall of the sixth support plate (34) at the discharge port, and the other end of the arc plate (36) is fixedly connected to the second support plate (21) at the discharge port. A movable conveyor belt (13) is provided on the right side of the guide mechanism (2) at the discharge port.