Slitting device for co-extrusion film production
By designing a rotatable annular cutter and limit block structure in the coextruded film production slitting device, combined with the cooperation of push rod and slider, the problem of inconvenient adjustment of the cutter position is solved, rapid position adjustment and efficient slitting are achieved, and the practicality and slitting accuracy of the device are improved.
Patent Information
- Application Number
- CN202422213906.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-10
AI Technical Summary
In the existing coextruded film production slitting device, the position of the cutter is inconvenient to adjust, causing the staff to consume a lot of time and energy, affecting the slitting efficiency and the practicality of the device.
A co-extruded film production slitting device is designed, adopting a rotatable annular cutter and a limit block structure. Through the cooperation of the push rod and the slider, the rapid position adjustment of the annular cutter is achieved, and the structure's earthquake resistance and slitting accuracy are improved through the spring device.
The rapid adjustment of the position of the annular cutter is achieved, which reduces the operating time of the staff, improves the slitting efficiency of the co-extruded film and the practicality of the device, and improves the slitting accuracy and the service life of the structure.
Smart Images
Figure CN223013366U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of coextruded film production, and specifically relates to a coextruded film production and slitting device. Background Art
[0002] A coextruded film is a multi-layer plastic film produced by a coextrusion process. It can be used to manufacture a variety of products and is mainly used in the packaging industry. During the production and processing of coextruded films, a slitting device is required to slit the coextruded film into specific sizes or patterns to facilitate the manufacture of various packaging bags.
[0003] Most slitting devices are composed of a workbench, a driving mechanism, a guiding mechanism, a positioning mechanism, a cutting knife, etc. When in use, the guiding mechanism is used to convey the coextruded film tape to the top of the workbench. According to the slitting size, the cutting knife is fixed by the positioning mechanism, and then the motor or telescopic rod in the driving mechanism is started to drive the cutting knife to contact the coextruded film tape, so that the coextruded film tape is slit into specific size and shape, completing the slitting work of the coextruded film tape.
[0004] In the current prior art, most of the cutting knives in traditional coextruded film production and slitting devices are fixed in the equipment. When it is necessary to adjust the position of the cutting knife, it is not convenient for the staff to operate, resulting in a large amount of time and energy consumption for the staff, affecting the slitting efficiency of coextruded films and reducing the practicality of the device.
[0005] Therefore, a coextruded film production and slitting device is proposed for the above problems. Summary of the Utility Model
[0006] In order to make up for the deficiencies of the prior art and solve the above problems, a coextruded film production and slitting device is proposed.
[0007] The technical solution adopted by the utility model to solve its technical problems is as follows: A coextruded film production and slitting device of the utility model includes a machine body. A plurality of guiding rollers are rotatably connected to the middle of the machine body. A conveyor belt is arranged below the plurality of guiding rollers. Both ends of the conveyor belt are rotatably connected to the inside of the machine body. A tape is attached to the top side of the conveyor belt. One side of the tape is rotatably connected to the outer wall of the guiding roller. Two positioning blocks are fixedly connected to one end of the machine body. A chute is opened at the bottom of each positioning block. A slider is slidably connected to the inside of each chute. A transmission rod is rotatably connected between the two sliders. Two circular cutting knives are sleeved on the outer wall of the transmission rod. The outer wall of each circular cutting knife is rotatably connected to the outside of the tape. Two second push rods are fixedly connected to the top of the machine body. A connecting plate is fixedly connected to one end of the two second push rods. A rectangular cutting knife is fixedly connected to the bottom of the connecting plate.
[0008] Preferably, a first push rod is fixedly connected to the inner wall of one side of each chute. One end of each first push rod is fixedly connected to one side of the slider. Each slider slides up and down inside the chute through the first push rod. A driving motor is fixedly connected to one side of a slider. One end of the output shaft of the driving motor is fixedly connected to one end of a transmission rod.
[0009] Preferably, a limiting groove is formed in the middle of the transmission rod. A bidirectional threaded rod is sleeved inside the limiting groove. Both ends of the bidirectional threaded rod are rotatably connected to the inner wall of the transmission rod. One end of the bidirectional threaded rod is fixedly connected to a rocker. One side of the rocker is rotatably connected to one side of the transmission rod.
[0010] Preferably, a positioning plate is rotatably connected to the middle of the bidirectional threaded rod. The outer wall of the positioning plate is fixedly connected to the middle of the transmission rod. Limiting blocks are threadedly connected to the outer walls of both ends of the bidirectional threaded rod. Each limiting block slides on the inner wall of the limiting groove through the bidirectional threaded rod. Both ends of each limiting block are fixedly connected to the inner wall of the annular cutter. Both annular cutters slide on the outer wall of the transmission rod through the limiting blocks.
[0011] Preferably, two first springs are fixedly connected to the top of the connecting plate. Each first spring is sleeved outside the second push rod. A plurality of connecting rods are fixedly connected to the bottom of the connecting plate. The plurality of connecting rods are symmetrically arranged on both sides of the rectangular cutter. Pressure plates are slidably connected to the outer walls of one ends of the plurality of connecting rods.
[0012] Preferably, the outer walls of each pressure plate are slidably connected to the inner wall of the bottom of the connecting plate through a plurality of connecting rods. A second spring is sleeved outside each connecting rod. One end of each second spring is fixedly connected to one side of the connecting plate.
[0013] The beneficial effects of the present utility model:
[0014] The present utility model provides a co-extruded film production slitting device. By the contraction of the first push rod, the slider and the transmission rod are driven to perform a lifting action, so that the annular cutter is far away from the material tape. Then, rotating the rocker can drive the bidirectional threaded rod to rotate inside the transmission rod, and can drive the two limiting blocks to slide inside the limiting groove, so that when the limiting blocks move, they drive the annular cutter to slide outside the transmission rod, achieving that the position of the annular cutter can be quickly adjusted, the time and energy consumed by the staff during operation can be reduced, the slitting efficiency of the co-extruded film can be improved, and the practicability and working efficiency of the device can be improved.
[0015] The utility model provides a coextrusion film production slitting device. When the connecting plate is pushed down by the second push rod, the elastic force of the first spring can improve the seismic effect of the structure. And as the connecting plate drops, the two pressing plates slide on the outside of the connecting rod, so that the pressing plates can press both ends of the slitting position of the strip, preventing the strip from bending or misaligning, thereby improving the slitting effect of the strip. Using the contraction of the second push rod to lift the connecting plate and the pressing plates away from the strip, the elastic force of the second spring can push the pressing plates back to their original positions, preventing the pressing plates from getting stuck, thereby improving the service efficiency and service life of the structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The drawings described herein are used to provide a further understanding of the utility model and constitute a part of this application. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation of the utility model. In the drawings:
[0017] Figure 1 is a perspective view of the utility model;
[0018] Figure 2 is a perspective view of the machine body in the utility model;
[0019] Figure 3 is a cross-sectional view of the machine body in the utility model;
[0020] Figure 4 is a cross-sectional view of the transmission rod in the utility model;
[0021] Legend description:
[0022] 1. Machine body; 2. Guide roller; 3. Conveyor belt; 4. Strip; 5. Positioning block; 6. Chute; 7. First push rod; 8. Slide block; 9. Driving motor; 10. Transmission rod; 11. Limit groove; 12. Bidirectional threaded rod; 13. Limit block; 14. Annular cutter; 15. Positioning plate; 16. Rocker; 17. Second push rod; 18. First spring; 19. Connecting plate; 20. Rectangular cutter; 21. Pressing plate; 22. Connecting rod; 23. Second spring. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] The following will clearly and completely describe the technical solutions in the embodiments of the utility model with reference to the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the utility model.
[0024] The following gives specific embodiments.
[0025] Please refer toFigure 1 - Figure 4 , the utility model provides a coextruded film production slitting device, which includes a machine body 1. A plurality of guide rollers 2 are rotatably connected to the middle of the machine body 1. A conveyor belt 3 is arranged below the plurality of guide rollers 2, and both ends of the conveyor belt 3 are rotatably connected to the inside of the machine body 1. One side of the top of the conveyor belt 3 is attached and connected with a strip 4, and one side of the strip 4 is rotatably connected to the outer wall of the guide roller 2. Two positioning blocks 5 are fixedly connected to one end of the machine body 1, and a chute 6 is opened at the bottom of each positioning block 5. A slider 8 is slidably connected to the inside of each chute 6, and a transmission rod 10 is rotatably connected between the two sliders 8. Two annular cutters 14 are sleeved on the outer wall of the transmission rod 10, and the outer wall of each annular cutter 14 is rotatably connected to the outside of the strip 4. A first push rod 7 is fixedly connected to one side inner wall of each chute 6, one end of each first push rod 7 is fixedly connected to one side of the slider 8, and each slider 8 slides up and down inside the chute 6 through the first push rod 7. A driving motor 9 is fixedly connected to one side of a slider 8, and one end of the output shaft of the driving motor 9 is fixedly connected to one end of the transmission rod 10. Two second push rods 17 are fixedly connected to the top of the machine body 1, a connecting plate 19 is fixedly connected to one end of the two second push rods 17, and a rectangular cutter 20 is fixedly connected to the bottom of the connecting plate 19.
[0026] During operation, by laying the strip 4 flat on the top of the conveyor belt 3, starting the conveyor belt 3 can drive the strip 4 to move, and then using a plurality of guide rollers 2 can press the strip 4 to prevent it from being misaligned during the output process. By adjusting the position of the annular cutter 14 outside the transmission rod 10, and then using the first push rod 7 to push the slider 8 to slide inside the chute 6, so that the cutting edges of the two annular cutters 14 are in contact with the strip 4. Then start the driving motor 9, use the output shaft of the driving motor 9 to drive the transmission rod 10 to rotate inside the two sliders 8, and then drive the annular cutter 14 to start rotating, and use the rotation of the annular cutter 14 to perform equidistant slitting on the strip 4. And after the equidistant slitting is completed, use the conveyor belt 3 to transport the strip 4 to the bottom of the rectangular cutter 20, and then use the second push rod 17 to push the connecting plate 19 to fall, which can drive the rectangular cutter 20 to pass through the strip 4, thereby completing the equidistant segmentation work of the strip 4. By adopting the above method, the contraction of the first push rod 7 drives the slider 8 and the transmission rod 10 to perform a lifting action, so that the annular cutter 14 is far away from the strip 4, which is convenient for the staff to adjust the position of the annular cutter 14, can reduce the time and energy consumed by the staff during operation, can improve the slitting efficiency of the coextruded film, and improves the practicability of the device.
[0027] Further, as Figure 3As shown in the figure, two first springs 18 are fixedly connected to the top of the connecting plate 19, and each first spring 18 is sleeved outside the second push rod 17. A plurality of connecting rods 22 are fixedly connected to the bottom of the connecting plate 19, and the plurality of connecting rods 22 are symmetrically arranged on both sides of the rectangular cutter 20. One end outer wall of each of the plurality of connecting rods 22 is slidably connected with a pressing plate 21, and the outer wall of each pressing plate 21 is slidably connected with the bottom inner wall of the connecting plate 19 through the plurality of connecting rods 22. And a second spring 23 is sleeved outside each connecting rod 22, and one end of each second spring 23 is fixedly connected to one side of the connecting plate 19.
[0028] During operation, when the connecting plate 19 is pushed down by the second push rod 17, the elastic force of the first spring 18 can be used to improve the seismic resistance of the structure and reduce the consumption of the kinetic energy of the second push rod 17. By the downward movement of the connecting plate 19, the two pressing plates 21 are simultaneously attached to both ends of the cutting position of the strip 4, and as the connecting plate 19 moves downward, the two pressing plates 21 slide outside the connecting rods 22, so that the pressing plates 21 retract into the interior of the connecting plate 19, and the two ends of the cutting position of the strip 4 can be pressed. This can prevent the strip 4 from bending or being misaligned when the rectangular cutter 20 contacts the strip 4, thereby improving the cutting effect of the strip 4. After the cutting is completed, the connecting plate 19 and the pressing plate 21 are lifted away from the strip 4 by the contraction of the second push rod 17, and the elastic force of the second spring 23 can be used to push the pressing plate 21 back to its original position to prevent the pressing plate 21 from getting stuck, thereby improving the service efficiency and service life of the structure.
[0029] Furthermore, as Figure 4 shown in the figure, a limiting groove 11 is formed in the middle of the transmission rod 10, and a bidirectional threaded rod 12 is sleeved inside the limiting groove 11. Both ends of the bidirectional threaded rod 12 are rotatably connected to the inner wall of the transmission rod 10, one end of the bidirectional threaded rod 12 is fixedly connected with a rocker 16, and one side of the rocker 16 is rotatably connected to one side of the transmission rod 10. The middle of the bidirectional threaded rod 12 is rotatably connected with a positioning plate 15, and the outer wall of the positioning plate 15 is fixedly connected to the middle of the transmission rod 10. Limiting blocks 13 are threadedly connected to the outer walls of both ends of the bidirectional threaded rod 12, and each limiting block 13 is slidably connected to the inner wall of the limiting groove 11 through the bidirectional threaded rod 12. And both ends of each limiting block 13 are fixedly connected to the inner wall of the annular cutter 14, and the two annular cutters 14 are slidably connected to the outer wall of the transmission rod 10 through the limiting blocks 13.
[0030] During operation, rotating the rocker 16 can drive the double-threaded rod 12 to rotate inside the transmission rod 10. With the rotation of the double-threaded rod 12, two limit blocks 13 can be driven to slide inside the limit slots 11. By virtue of the fixed connection between the limit blocks 13 and the annular cutter 14, when the limit blocks 13 move, the annular cutter 14 can be driven to slide outside the transmission rod 10, achieving rapid adjustment of the position of the annular cutter 14 and facilitating operation by the staff, thus improving the practicality and operating efficiency of the device. The provision of the positioning plate 15 can prevent collision between the two annular cutters 14 and extend the service life of the structure.
[0031] Working principle: Lay the strip 4 flat on the top of the conveyor belt 3. Starting the conveyor belt 3 can drive the strip 4 to move, and multiple guide rollers 2 can be used to press the strip 4. Rotating the rocker 16 can drive the double-threaded rod 12 to rotate inside the transmission rod 10, which can drive two limit blocks 13 to slide inside the limit slots 11, so that when the limit blocks 13 move, the annular cutter 14 is driven to slide outside the transmission rod 10. After adjusting the position of the annular cutter 14 outside the transmission rod 10, use the first push rod 7 to push the slider 8 to slide inside the chute 6, so that the cutting edges of the two annular cutters 14 are in contact with the strip 4. Then start the drive motor 9. The output shaft of the drive motor 9 drives the transmission rod 10 to rotate inside the two sliders 8, thereby driving the annular cutter 14 to start rotating, and the rotation of the annular cutter 14 can be used to equally divide the strip 4. After the equal division is completed, use the conveyor belt 3 to convey the strip 4 to the bottom of the rectangular cutter 20. When the second push rod 17 pushes the connecting plate 19 to fall, the elastic force of the first spring 18 is used to reduce the consumption of kinetic energy. With the fall of the connecting plate 19, as the connecting plate 19 falls, the two pressing plates 21 slide outside the connecting rod 22, so that the pressing plates 21 retract into the connecting plate 19, and the two ends of the cutting position of the strip 4 are pressed by the pressing plates 21 to prevent the strip 4 from bending or being misaligned. Then use the connecting plate 19 to drive the rectangular cutter 20 to pass through the strip 4, thus completing the equal-segment cutting work of the strip 4.
[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.
Claims
1. A co-extrusion film production and slitting device, comprising a body (1), characterized in that: The machine body (1) is rotatably connected to a plurality of guide rollers (2) in the middle, a conveyor belt (3) is arranged below the plurality of guide rollers (2), both ends of the conveyor belt (3) are rotatably connected to the inside of the machine body (1), a material belt (4) is connected to the top side of the conveyor belt (3), one side of the material belt (4) is rotatably connected to the outer wall of the guide roller (2), one end of the machine body (1) is fixedly connected to two positioning blocks (5), each positioning block (5) is provided with a slide groove (6) at the bottom, and each slide groove (6) 6) are slidably connected to the inside thereof with a slider (8), a transmission rod (10) is rotatably connected between the two sliders (8), the outer wall of the transmission rod (10) is sleeved with two annular cutters (14), the outer wall of each annular cutter (14) is rotatably connected to the outer side of the material belt (4), the top of the body (1) is fixedly connected to two second push rods (17), one end of the two second push rods (17) is fixedly connected to a connecting plate (19), and the bottom of the connecting plate (19) is fixedly connected to a rectangular cutter (20).
2. A co-extrusion film production and slitting device according to claim 1, characterized in that: A first push rod (7) is fixedly connected to the inner wall of one side of each slide groove (6), one end of each first push rod (7) is fixedly connected to one side of a slider (8), each slider (8) slides up and down inside the slide groove (6) via the first push rod (7), one side of a slider (8) is fixedly connected to a drive motor (9), and one end of the output shaft of the drive motor (9) is fixedly connected to one end of a transmission rod (10).
3. A co-extrusion film production and slitting device according to claim 1, characterized in that: A limiting groove (11) is provided in the middle of the transmission rod (10), a bidirectional threaded rod (12) is sleeved inside the limiting groove (11), both ends of the bidirectional threaded rod (12) are rotatably connected to the inner wall of the transmission rod (10), one end of the bidirectional threaded rod (12) is fixedly connected to a rocker (16), and one side of the rocker (16) is rotatably connected to one side of the transmission rod (10).
4. A co-extrusion film production and slitting device according to claim 3, characterized in that: The middle part of the bidirectional threaded rod (12) is rotatably connected with a positioning plate (15), the outer wall of the positioning plate (15) is fixedly connected to the middle part of the transmission rod (10), the outer walls at both ends of the bidirectional threaded rod (12) are threadedly connected to limit blocks (13), each of the limit blocks (13) is slidably connected to the inner wall of the limit groove (11) via the bidirectional threaded rod (12), and the two ends of each limit block (13) are fixedly connected to the inner wall of the annular cutter (14), and the two annular cutters (14) are slidably connected to the outer wall of the transmission rod (10) via the limit blocks (13).
5. A co-extrusion film production and slitting device according to claim 1, characterized in that: Two first springs (18) are fixedly connected to the top of the connecting plate (19), and each of the first springs (18) is sleeved on the outside of the second push rod (17). A plurality of connecting rods (22) are fixedly connected to the bottom of the connecting plate (19), and the plurality of connecting rods (22) are symmetrically arranged on both sides of the rectangular cutter (20). The outer walls of one end of the plurality of connecting rods (22) are slidably connected to a pressure plate (21).
6. A co-extrusion film production and slitting device according to claim 5, characterized in that: The outer wall of each of the pressure plates (21) is slidably connected to the bottom inner wall of the connecting plate (19) via a plurality of connecting rods (22), and a second spring (23) is sleeved on the outer side of each of the connecting rods (22), and one end of each of the second springs (23) is fixedly connected to one side of the connecting plate (19).