A plastic film perforating device

By designing adjustable extension and retraction components and a stable punching transmission structure, the problems of low efficiency and poor adaptability of traditional manual and mechanical punching have been solved, realizing efficient and precise punching of plastic films and adapting to the automated processing of films of various specifications.

CN224446131UActive Publication Date: 2026-07-03CHONGQING LIYANG PACKAGING MATERIALS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING LIYANG PACKAGING MATERIALS CO LTD
Filing Date
2025-08-04
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Traditional manual drilling is inefficient and produces uneven holes, while existing mechanical drilling devices have poor adaptability and are complicated to operate.

Method used

An adjustable take-up and take-up assembly and a stable perforation drive structure were designed, combined with multiple guiding components, to achieve automated continuous operation and ensure consistent perforation position and stable film delivery.

Benefits of technology

It improves drilling efficiency and accuracy, adapts to the processing needs of films of different specifications, reduces equipment wear, prevents film wrinkles and displacement, and is easy to operate.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224446131U_ABST
    Figure CN224446131U_ABST
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Abstract

The utility model relates to the technical field of plastic film, concretely is a kind of plastic film punching device, including box, four antiskid blocks are fixedly installed in the box lower surface, retractable subassembly is installed in the both sides of box, recess is set up in the box upper surface, the recess is tapered, fixed frame is fixedly installed in the box upper surface, the fixed frame is U-shaped, punching subassembly is installed in the fixed frame inside, control switch is installed in the box one side, the punching subassembly includes motor, motor is fixedly installed in the fixed frame inside top surface, the motor is horizontal, the motor and control switch electric connection, motor-driven winding drum is realized automatic winding through the collaborative rotation of carousel one and carousel two, movable block can be adjusted position by slide rail to facilitate winding drum to take, sliding slot and slide bar guarantee the precision of punching head vertical movement, the whole is through each component linkage to realize the continuous conveying and accurate punching operation of film.
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Description

Technical Field

[0001] This utility model relates to the field of plastic film technology, and in particular to a plastic film punching device. Background Technology

[0002] In fields such as agricultural planting and packaging materials, plastic films often need to be perforated to meet the requirements of air permeability, drainage, or subsequent processing.

[0003] Traditional manual drilling is inefficient and produces uneven holes, while existing mechanical drilling devices suffer from poor adaptability and complex operation.

[0004] The design requirements of this device focus on improving punching efficiency and accuracy to achieve automated continuous operation. By optimizing the adjustability of the take-up and untake-up components, it meets the usage requirements of different film specifications and take-up rolls; a stable punching transmission structure is designed to ensure consistent hole positions; and multiple guiding components are integrated to avoid wrinkles and deviations during film transport, ultimately achieving efficient, accurate, and convenient plastic film punching operations. Utility Model Content

[0005] The purpose of this utility model is to provide a plastic film punching device, which solves the problems mentioned in the background art, such as low efficiency and uneven hole position of traditional manual punching, and poor adaptability and complicated operation of existing mechanical punching devices.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a plastic film punching device, comprising a box body, four anti-slip blocks fixedly installed on the lower surface of the box body, a take-up and release assembly installed on both sides of the box body, a conical groove opened on the upper surface of the box body, a U-shaped fixing frame fixedly installed on the upper surface of the box body, a punching assembly installed inside the fixing frame, and a control switch installed on one side of the box body.

[0007] The drilling assembly includes a motor, which is fixedly installed on the top surface inside the fixing frame. The motor is horizontally positioned and electrically connected to a control switch. A rotating block is fixedly connected to the output end of the motor, and a fixing rod is movably installed on the lower surface of the rotating block.

[0008] The fixing frame has sliding grooves on both sides, a sliding rod is fixedly installed inside the sliding groove, a sliding block is slidably connected to the outside of the sliding rod, a spring is installed on the lower surface of the sliding block, the spring is sleeved on the outside of the sliding rod, and four punch heads are fixedly installed on the lower surface of the fixing rod.

[0009] The fixing frame has a horizontal plate fixedly installed at the bottom inside. The upper surface of the horizontal plate has four round holes, which correspond to the punching heads.

[0010] The take-up and unwind assembly includes a fixed block, a fixed block is fixedly installed on one side of the housing, a motor is fixedly installed on one side of the fixed block, the motor is electrically connected to a control switch, a turntable is rotatably connected to the side of the fixed block away from the motor, a take-up drum is engaged with the side of the turntable away from the fixed block, a movable block is slidably connected to the side of the housing away from the fixed block, a slide rail is slidably engaged inside the movable block, the slide rail is fixedly connected to the movable block by bolts, a second turntable is rotatably connected to the side of the movable block near the take-up drum, the second turntable is engaged with the take-up drum, and two brackets are fixedly installed on the side of the housing away from the take-up drum, an unwinding drum is rotatably connected to the side of the two brackets close to each other.

[0011] Two lugs are fixedly installed on the upper surface of the housing. A rolling shaft is rotatably connected to the two lugs on the side close to each other. A balance shaft is rotatably connected to the side of the rolling shaft close to the fixed frame. Two lugs are fixedly installed on the side of the fixed frame away from the rolling shaft. A balance shaft is rotatably connected to the side of the two lugs close to each other.

[0012] This utility model discloses a plastic film punching device. A horizontally mounted motor drives a rotating block to rotate, which, in conjunction with a fixed rod, causes a sliding block to slide up and down along a sliding rod, achieving the reciprocating motion of the punching head. The sliding connection between the sliding block and the sliding rod, combined with an externally fitted spring, effectively buffers the impact force during punching, reducing equipment wear and extending service life. The four punching heads precisely correspond to the circular holes on the horizontal plate, ensuring accurate punching positions and preventing misalignment or missed punches. Simultaneously, the horizontally mounted motor, through the movable connection between the rotating block and the fixed rod, converts rotational motion into vertical reciprocating motion, resulting in high transmission efficiency. Combined with the guiding effect of the sliding groove and sliding rod, the punching process is stable and reliable, significantly improving the accuracy and consistency of the punching operation. The design of the retraction component... The design fully considers the processing requirements of films of different specifications. On the left, a motor driven by a fixed block drives the turntable and the winding drum to achieve automatic film winding. On the right, a movable block can slide along the slide rail to adjust its position. Bolts ensure that the turntable and the winding drum are precisely engaged, adapting to the installation requirements of winding drums of different lengths. The release tube is supported by a bracket to ensure smooth film release. The guiding system composed of the rolling shaft, balance shaft one, and balance shaft two can maintain stable tension during film conveying and prevent wrinkles or deviation. This adjustable winding and releasing structure, combined with multiple guiding components, not only realizes continuous automated film conveying but also flexibly adapts to the processing of plastic films of different widths and thicknesses, greatly improving the applicability and ease of operation of the device. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a three-dimensional exploded view of the punching component of this utility model;

[0016] Figure 3 This is a three-dimensional structural diagram of the retractable component of this utility model;

[0017] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0018] In the diagram: 1. Housing; 2. Anti-slip block; 3. Groove; 4. Control switch; 5. Fixing frame; 6. Drilling assembly; 7. Rewinding assembly; 8. Motor; 9. Rotating block; 10. Fixing rod; 11. Slide groove; 12. Slide rod; 13. Sliding block; 14. Spring; 15. Drilling head; 16. Horizontal plate; 17. Round hole; 18. Fixing block; 19. Motor; 20. Turntable one; 21. Rewinding drum; 22. Movable block; 23. Slide rail; 24. Bolt; 25. Turntable two; 26. Bracket; 27. Discharge drum; 28. Ear block one; 29. ​​Rolling shaft; 30. Balance shaft one; 31. Ear block two; 32. Balance shaft two. Detailed Implementation

[0019] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0020] Please see Figures 1-4 This utility model provides a technical solution: a plastic film punching device, including a box 1, four anti-slip blocks 2 are fixedly installed on the lower surface of the box 1, a take-up and release component 7 is installed on both sides of the box 1, a groove 3 is provided on the upper surface of the box 1, the groove 3 is conical, a fixing frame 5 is fixedly installed on the upper surface of the box 1, the fixing frame 5 is U-shaped, a punching component 6 is installed inside the fixing frame 5, and a control switch 4 is installed on one side of the box 1.

[0021] Please see Figures 1-3The drilling assembly 6 includes a motor 8. The motor 8 is horizontally mounted on the top surface inside the mounting bracket 5. The motor 8 is electrically connected to the control switch 4. A rotating block 9 is fixedly connected to the output end of the motor 8. A fixed rod 10 is movably mounted on the lower surface of the rotating block 9. Slide grooves 11 are provided on both sides of the mounting bracket 5. A sliding rod 12 is fixedly mounted inside the slide groove 11. A sliding block 13 is slidably connected to the outside of the sliding rod 12. A spring 14 is mounted on the lower surface of the sliding block 13 and sleeved on the outside of the sliding rod 12. Four drilling heads 15 are fixedly mounted on the lower surface of the fixed rod 10. The bottom of the mounting bracket 5 is fixedly mounted with… The device is equipped with a horizontal plate 16, on the upper surface of which are four round holes 17. The round holes 17 correspond to the punching head 15. When the device is working, it is connected to the factory power supply. The motor 19 and motor 8 are started by the control switch 4. The motor 19 and motor 8 are commercially available products. The plastic film on the discharge cylinder 27 is guided into the processing area by the balance shaft 32. The motor 8 drives the rotating block 9 to rotate, which drives the fixed rod 10 and the sliding block 13 to slide up and down along the slide rod 12. The spring 14 is compressed and buffered when the sliding block 13 moves down, so that the punching head 15 can accurately pass through the film and enter the round hole 17 of the horizontal plate 16 to complete the punching.

[0022] Please see Figures 1-2 The take-up and unwind assembly 7 includes a fixed block 18. A fixed block 18 is fixedly installed on one side of the housing 1. A motor 19 is fixedly installed on one side of the fixed block 18. The motor 19 is electrically connected to a control switch 4. A turntable 20 is rotatably connected to the side of the fixed block 18 away from the motor 8. A take-up drum 21 is engaged with the side of the turntable 20 away from the fixed block 18. A movable block 22 is slidably connected to the side of the housing 1 away from the fixed block 18. A slide rail 23 is slidably engaged inside the movable block 22. The slide rail 23 is fixedly connected to the movable block 22 by bolts 24. A second turntable 25 is rotatably connected to the side of the movable block 22 near the take-up drum 21. The second turntable 25 is engaged with the take-up drum 21. A bracket 26 is fixedly installed on the side of the housing 1 away from the take-up drum 21. There are two brackets 26, with a release cylinder 27 rotatably connected to one side of the brackets 26. Two lugs 28 are fixedly installed on the upper surface of the housing 1. A rolling shaft 29 is rotatably connected to one side of the lugs 28. A balance shaft 30 is rotatably connected to one side of the rolling shaft 29 near the fixed frame 5. Two lugs 31 are fixedly installed on one side of the fixed frame 5 away from the rolling shaft 29. A balance shaft 32 is rotatably connected to one side of the lugs 31 near the fixed frame 5. The perforated film is guided by the balance shaft 30 and passes through the bottom end of the rolling shaft 29 to connect with the take-up drum 21. The take-up drum 21, driven by the motor 19, achieves automatic winding through the coordinated rotation of the turntable 20 and the turntable 25. The movable block 22 can be adjusted in position by the slide rail 23 to facilitate the take-up drum 21 to be picked up.

[0023] Working principle: When the device is working, it is connected to the factory power supply. The motors 19 and 8 are started by the control switch 4. Both motors 19 and 8 are commercially available products. The plastic film on the discharge tube 27 is guided into the processing area by the balance shaft 2 32. The motor 8 drives the rotating block 9 to rotate, which drives the fixed rod 10 and the sliding block 13 to slide up and down along the slide rod 12. The spring 14 is compressed and buffered when the sliding block 13 moves down, so that the punching head 15 accurately passes through the film and enters the round hole 17 of the horizontal plate 16 to complete the punching. The punched film is guided by the balance shaft 1 30 and passes through the bottom end of the rolling shaft 29 to connect with the take-up drum 21. The take-up drum 21 driven by the motor 19 achieves automatic winding through the coordinated rotation of the turntable 1 20 and the turntable 2 25. The movable block 22 can be adjusted in position by the slide rail 23 to facilitate the take-up drum 21 to pick up. The slide groove 11 and the slide rod 12 ensure the vertical movement accuracy of the punching head 15. The whole system realizes continuous film conveying and precise punching operation through the linkage of various components.

[0024] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A plastic film punching device, comprising a housing (1), characterized in that: Four anti-slip blocks (2) are fixedly installed on the lower surface of the box (1). Retraction components (7) are installed on both sides of the box (1). A groove (3) is formed on the upper surface of the box (1). The groove (3) is conical. A fixing frame (5) is fixedly installed on the upper surface of the box (1). The fixing frame (5) is U-shaped. A drilling component (6) is installed inside the fixing frame (5). A control switch (4) is installed on one side of the box (1). The drilling component (6) includes a motor (8). A motor (8) is fixedly installed on the top surface inside the fixing frame (5). The motor (8) is horizontally positioned. The motor (8) is electrically connected to the control switch (4). A rotating block (9) is fixedly connected to the output end of the motor (8). A fixed rod (10) is movably installed on the lower surface of the rotating block (9). Slide grooves (11) are provided on both sides of the fixed frame (5). A slide rod (12) is fixedly installed inside the slide groove (11). A sliding block (13) is slidably connected to the outside of the slide rod (12). A spring (14) is installed on the lower surface of the slide block (13). The spring (14) is sleeved on the outside of the slide rod (12). Four punch heads (15) are fixedly installed on the lower surface of the fixed rod (10).

2. A plastic film perforating device according to claim 1, wherein: A horizontal plate (16) is fixedly installed at the bottom of the inside of the fixing frame (5). Four round holes (17) are opened on the upper surface of the horizontal plate (16), and the round holes (17) correspond to the punching head (15).

3. The plastic film perforating device of claim 1, wherein: The take-up and take-down assembly (7) includes a fixed block (18). The fixed block (18) is fixedly installed on one side of the housing (1). A motor (19) is fixedly installed on one side of the fixed block (18). The motor (19) is electrically connected to the control switch (4). A turntable (20) is rotatably connected to the side of the fixed block (18) away from the motor (8). A take-up drum (21) is engaged with the side of the turntable (20) away from the fixed block (18). A movable block (2) is slidably connected to the side of the housing (1) away from the fixed block (18). 2) The movable block (22) is internally fitted with a slide rail (23), and the slide rail (23) is fixedly connected to the movable block (22) by bolts (24). The movable block (22) is rotatably connected to a turntable (25) on the side near the take-up drum (21), and the turntable (25) is engaged with the take-up drum (21). The box (1) is fixedly installed with a bracket (26) on the side away from the take-up drum (21). There are two brackets (26), and the two brackets (26) are rotatably connected to a discharge drum (27) on the side close to each other.

4. The plastic film perforating device of claim 1, wherein: Two lugs (28) are fixedly installed on the upper surface of the housing (1). A rolling shaft (29) is rotatably connected to the two lugs (28) on the side close to each other. A balance shaft (30) is rotatably connected to the side of the rolling shaft (29) close to the fixed frame (5). Two lugs (31) are fixedly installed on the side of the fixed frame (5) away from the rolling shaft (29). A balance shaft (32) is rotatably connected to the side of the two lugs (31) close to each other.