Plastic packaging bag processing and cutting device

By adjusting the contact area and time between the track and the fixed rod, the cutting pressure is changed, solving the problem that traditional cutting devices cannot adjust the cutting depth. This enables uniform cutting of plastic packaging bags of different thicknesses and improves the yield.

CN223763939UActive Publication Date: 2026-01-06LINYI LUOZHUANG JINXUN PLASTICS PACKING CO LTD
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Patent Information

Application Number
CN202423187641.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-01-06
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Traditional plastic packaging bag processing and cutting equipment has a fixed cutting depth, which cannot be adjusted according to the thickness of the plastic packaging bag, resulting in uneven cutting, jagged edges and burrs, which affects the yield.

Method used

A plastic packaging bag processing and cutting device is designed. By moving the distance between multiple first moving blocks and the first turntable, the contact area and time between the track and the fixed rod are changed, and the pressure of the cutter is adjusted to adapt to the cutting needs of plastic packaging bags of different thicknesses. The cutter is limited by setting fixed blocks and springs to ensure effective operation.

Benefits of technology

It enables uniform cutting of plastic packaging bags of different thicknesses, improves yield, and avoids jagged edges and burrs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a plastic packaging bag processing and cutting device, and relates to the technical field of plastic packaging bag processing and cutting devices, in particular to a plastic packaging bag processing and cutting device which comprises a support, a motor is arranged on the outer surface of the support, and the output end of the motor is fixedly connected with an output shaft. The outer surface of the output shaft is fixedly sleeved with a first rotating disc, the two ends of the first rotating disc are fixedly connected with second rotating discs, the outer surfaces of the two second rotating discs are each provided with a plurality of evenly-arranged sliding grooves, and the inner walls of the multiple sliding grooves are each slidably connected with a sliding block. According to the packaging bag processing and cutting device, the contact area and time between the crawler belt and the fixing rod are changed by moving the distance between the multiple first moving blocks and the first rotating disc, so that the pressure of the cutter is changed, plastic packaging bags with different thicknesses can be cut, and the yield of the packaging bag processing and cutting device is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of plastic packaging bag processing and cutting devices, and in particular to a plastic packaging bag processing and cutting device. Background Technology

[0002] A plastic packaging bag processing and cutting device is a cutting equipment used in the processing of plastic packaging bags. It is mainly used to cut plastic films or plastic bags into the required size and shape, and is widely used in food plastic packaging bags, daily necessities plastic packaging bags and other fields.

[0003] In existing technologies, plastic packaging bag processing and cutting devices are used to cut plastic packaging bags. Plastic packaging bags are used in different scenarios, so they have different thicknesses. However, the cutting depth of the blades in traditional plastic packaging bag processing and cutting devices is fixed and cannot be adjusted according to the thickness of the plastic packaging bags. When traditional plastic packaging bag processing and cutting devices cut plastic packaging bags of different thicknesses, it will lead to uneven cutting, serrated edges and burrs, thus affecting the yield. Utility Model Content

[0004] The purpose of this invention is to address the problem that existing plastic packaging bag processing and cutting devices cut plastic packaging bags. Since plastic packaging bags are used in different scenarios and therefore have different thicknesses, the cutting depth of the blades in traditional plastic packaging bag processing and cutting devices is fixed and cannot be adjusted according to the thickness of the plastic packaging bag. When traditional plastic packaging bag processing and cutting devices cut plastic packaging bags of different thicknesses, it leads to uneven cutting, resulting in serrated edges and burrs, thus affecting the yield rate. Therefore, this invention proposes a new plastic packaging bag processing and cutting device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a plastic packaging bag processing and cutting device, comprising: a support, a motor is mounted on the outer surface of the support, an output shaft is fixedly connected to the output end of the motor, a first turntable is fixedly mounted on the outer surface of the output shaft, a second turntable is fixedly connected to both ends of the first turntable, a plurality of evenly arranged sliding grooves are opened on the outer surface of the two second turntables, sliders are slidably connected to the inner walls of the plurality of sliding grooves, connecting blocks are fixedly connected to the outer surfaces of the plurality of sliders, the plurality of connecting blocks are grouped in pairs, a first moving block is fixedly connected between the outer surfaces of each group of connecting blocks, and a track is movably mounted between the outer surfaces of the plurality of first moving blocks.

[0006] Preferably, the outer surfaces of the plurality of first movable blocks are in contact with the outer surface of the first turntable, and a plurality of uniformly arranged second sliders are fixedly connected to one side of the outer surface of the first turntable. Each pair of adjacent second sliders forms a group, and the outer surface of each group of second sliders is slidably connected to the outer surface of the plurality of connecting blocks.

[0007] Preferably, a toothed rack is fixedly sleeved on the outer surface of one of the second turntables, and a handle is rotatably connected to the outer surface of the other side of the first turntable. A gear is fixedly sleeved on the outer surface of the handle, and the outer surface of the gear meshes with the outer surface of the toothed rack.

[0008] Preferably, a fixed rod is rotatably connected to the outer surface of the bracket, and a sliding shaft is slidably connected between the inner walls of the fixed rod and the outer surface of the bracket.

[0009] Preferably, a second moving block is slidably connected to the outer surface of the sliding shaft, and a spring is provided at the bottom of the second moving block, with one end of the spring fixedly connected to the bottom of the second moving block.

[0010] Preferably, the other end of the spring is fixedly connected to a fixing block, and the bottom of the fixing block is fixedly connected to the outer surface of the bracket.

[0011] Preferably, a conveyor belt is provided on the outer surface of the support near the center, a collection box is provided on the outer surface of the support near one edge, and a cutter is fixedly connected to the outer surface of the second moving block.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] 1. In this utility model, the device changes the contact area and time between the track and the fixed rod by moving the distance between multiple first moving blocks and the first turntable, thereby changing the pressure of the track on the fixed rod, thus changing the pressure of the cutter, enabling it to cut plastic packaging bags of different thicknesses and improving the yield of the packaging bag processing and cutting device.

[0014] 2. In this utility model, the device is equipped with a fixed block and a spring on the fixed block. When the second moving block slides down along the outer surface of the sliding shaft, the fixed block 18 limits the second moving block, so that when the second moving block slides down with the cutter, the cutter can only contact the surface of the conveyor belt, thus ensuring the effective operation of the plastic packaging bag processing and cutting device. Attached Figure Description

[0015] Figure 1 A frontal perspective view of a plastic packaging bag processing and cutting device is provided for this utility model;

[0016] Figure 2A front perspective view of the second turntable of a plastic packaging bag processing and cutting device is provided for this utility model;

[0017] Figure 3 This utility model provides a front perspective view of a toothed row of a plastic packaging bag processing and cutting device;

[0018] Figure 4 This utility model provides a front perspective view of the fixing block of a plastic packaging bag processing and cutting device;

[0019] Figure 5 This utility model presents a front perspective view of the collection box of a plastic packaging bag processing and cutting device.

[0020] Legend: 1. Bracket; 2. Motor; 3. Output shaft; 4. First turntable; 5. First moving block; 6. Track; 7. Second turntable; 8. Slide; 9. Slider; 10. Connecting block; 11. Second slider; 12. Gear rack; 13. Gear; 14. Handle; 15. Fixed rod; 16. Sliding shaft; 17. Spring; 18. Fixed block; 19. Conveyor belt; 20. Collection box; 21. Cutter; 22. Second moving block. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1: As Figures 1-4As shown, this utility model provides a plastic packaging bag processing and cutting device, comprising: a support 1, characterized in that a motor 2 is disposed on the outer surface of the support 1, an output shaft 3 is fixedly connected to the output end of the motor 2, a first turntable 4 is fixedly sleeved on the outer surface of the output shaft 3, a second turntable 7 is fixedly connected to both ends of the first turntable 4, a plurality of evenly arranged sliding grooves 8 are formed on the outer surface of the two second turntables 7, sliders 9 are slidably connected to the inner walls of the plurality of sliding grooves 8, connecting blocks 10 are fixedly connected to the outer surface of the plurality of sliders 9, the plurality of connecting blocks 10 are grouped in pairs, and a first moving block 5 is fixedly connected between the outer surfaces of each group of connecting blocks 10. Tracks 6 are movably fitted between the outer surfaces of multiple first moving blocks 5. The outer surfaces of multiple first moving blocks 5 are in contact with the outer surface of the first turntable 4. Multiple evenly arranged second sliders 11 are fixedly connected to one side of the outer surface of the first turntable 4. Each pair of adjacent second sliders 11 forms a group. The outer surface of each group of second sliders 11 is slidably connected to the outer surface of multiple connecting blocks 10. A toothed rack 12 is fixedly fitted to the outer surface of one of the second turntables 7. A handle 14 is rotatably connected to the other side of the outer surface of the first turntable 4. A gear 13 is fixedly fitted to the outer surface of the handle 14. The outer surface of the gear 13 meshes with the outer surface of the toothed rack 12.

[0024] The overall effect of Embodiment 1 is as follows: When using a plastic packaging bag processing and cutting device, the operator needs to start the motor 2. The motor 2 will drive the output shaft 3 to rotate. When the output shaft 3 rotates, it will drive the first turntable 4 to rotate. When the first turntable 4 rotates, it will drive the second turntables 7 on both sides to rotate. When the second turntables 7 rotate, they will drive the sliders 9 to rotate. When the sliders 9 rotate, they will drive the connecting block 10 to rotate. When the first turntable 4 rotates, it will drive multiple second sliders 11 on one side of the first turntable 4 to rotate, and the gear 13 on the other side will rotate along the trajectory of the first turntable 4. The gear 13 will drive the handle 14 to rotate. At the same time, when the first turntable 4 rotates, it will drive multiple first moving blocks 5 to rotate. When the multiple first moving blocks 5 rotate, they will drive the track 6. As the track 6 rotates, the more protruding end of the track 6 presses the middle position of the fixing rod 15 downwards. One end of the fixing rod 15 rotates on the inner wall of the bracket 1, while the other end slides along the outer surface of the second moving block 22, pressing the second moving block 22 downwards. As the second moving block 22 slides downwards along the outer surface of the sliding shaft 16, it compresses the spring 17. Simultaneously, the second moving block 22 drives the cutter 21 downwards. Due to the obstruction of the fixing block 18, the descending cutter 21 can only just touch the surface of the conveyor belt 19. As the more protruding end of the track 6 rotates, the compressive force on the fixing rod 15 decreases. When the pressure on spring 17 decreases, it rebounds. During the rebound, the second moving block 22 slides upward along the outer surface of the sliding shaft 16 under the force of the spring 17's rebound, and then presses down on the fixed rod 15 through the more protruding end of the track 6. The worker places the plastic packaging bag on the conveyor belt 19, which transports the plastic packaging bag. The plastic packaging bag is cut by the cutter 21 when it passes through the cutter 21. When it is necessary to cut a thick plastic packaging bag, the worker needs to rotate the handle 14. The handle 14 will drive the gear 13 to rotate, and the gear 13 will drive the toothed rack 12 to rotate. When the toothed rack 12 rotates, it will drive the slider 9 to slide along the inner wall of the slide groove 8. At the same time, the slider 9 will drive the connecting block 10. When the connecting block 10 moves, it will drive the first moving block 5 to move in all directions. When the first moving block 5 moves, it will drive the connecting block 10 on the other side to slide along the outer surface of the second slider 11. At the same time, the connecting block 10 will drive the slider 9 to slide along the inner wall of the slide groove 8. Then, another second turntable 7 will be rotated. Multiple first moving blocks 5 will support the track 6, making the track 6 larger. When it is enlarged to a suitable position, the handle 14 will be stopped, and the motor 2 will be restarted. By controlling the contact area and time between the track 6 and the fixed plate 15, the pressure on the fixed plate 15 will be changed, thereby changing the pressure on the cutter 21, so that it can cut plastic packaging bags of different thicknesses and improve the yield of the packaging bag processing and cutting device.

[0025] Example 2: Figures 1-4 As shown, a fixed rod 15 is rotatably connected to the outer surface of the support 1, and a sliding shaft 16 is slidably connected between the inner walls of the fixed rod 15. A second moving block 22 is slidably connected to the outer surface of the sliding shaft 16. A spring 17 is provided at the bottom of the second moving block 22. One end of the spring 17 is fixedly connected to the bottom of the second moving block 22, and the other end of the spring 17 is fixedly connected to a fixed block 18. The bottom of the fixed block 18 is fixedly connected to the outer surface of the support 1. A conveyor belt 19 is provided near the center of the outer surface of the support 1, and a collection box 20 is provided near one edge of the outer surface of the support 1. A cutter 21 is fixedly connected to the outer surface of the second moving block 22.

[0026] The overall effect of Embodiment 2 is as follows: When the track 6 is rotating, the more protruding end of the track 6 touches the fixed rod 15, and the track 6 presses the fixed rod 15 downward at its middle position. One end of the fixed rod 15 rotates on the inner wall of the bracket 1, while the other end of the fixed rod 15 slides along the outer surface of the second moving block 22, pressing the second moving block 22 downward. When the second moving block 22 slides downward along the outer surface of the sliding shaft 16, it compresses the spring 17. At the same time, the second moving block 22 drives the cutter 21 downward. Because the fixed block 18 blocks the second moving block 22, the descent of the cutter 21 can only be limited to... Just touching the surface of the conveyor belt 19, as the more protruding end of the track 6 rotates, the squeezing force on the fixed rod 15 decreases, the pressure on the spring 17 decreases and it rebounds. During the rebound process, the second moving block 22 slides upward along the outer surface of the sliding shaft 16 under the force of the spring 17. Through the fixed block 18, the spring 17 is set on the fixed block 18. When the second moving block 22 slides down along the outer surface of the sliding shaft 16, the fixed block 18 limits the second moving block 22, so that when the second moving block 22 slides down with the cutter 21, the cutter 21 can only contact the surface of the conveyor belt 19, ensuring the effective operation of the plastic packaging bag processing and cutting device.

[0027] Working Principle: When using a plastic packaging bag processing and cutting device, the operator needs to start motor 2. Motor 2 drives the first turntable 4 to rotate, which in turn drives the second turntables 7 on both sides to rotate. The rotation of the first turntable 4 drives multiple first moving blocks 5 to rotate, which in turn drives the conveyor belt 6 to rotate. The conveyor belt 6 is made of rubber and has tensile strength. When the conveyor belt 6 rotates, the more protruding end of the conveyor belt 6 presses the fixing rod 15 downwards at its middle position. One end of the fixing rod 15 rotates on the inner wall of the bracket 1, while the other end slides along the outer surface of the second moving block 22, pressing the second moving block 22 downwards. The second moving block 22 drives the cutter 21 downwards. Because the fixing block 18 obstructs the second moving block 22, the downward movement of the cutter 21 only just touches the surface of the conveyor belt 19. When cutting thick plastic packaging bags, the operator needs to rotate handle 14. Handle 14 drives gear 13 to rotate, gear 13 drives gear rack 12 to rotate, gear rack 12 drives slider 9 to slide along the inner wall of slide groove 8, slider 9 drives connecting block 10 to move, connecting block 10 drives first moving block 5 to move in all directions, first moving block 5 drives connecting block 10 on the other side to slide along the outer surface of second slider 11, connecting block 10 drives slider 9 to slide along the inner wall of slide groove 8, then another second turntable 7 is rotated, multiple first moving blocks 5 support track 6, making track 6 larger, when it is enlarged to the appropriate position, stop rotating handle 14, start motor 2 again, change the pressure on fixed plate 15 by controlling the contact area and time between track 6 and fixed plate 15, thereby changing the pressure on cutter 21, so that it can cut plastic packaging bags of different thicknesses, and improve the yield of packaging bag processing and cutting device.

[0028] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.

Claims

1. A plastic packaging bag processing and cutting device, comprising: The support (1) is characterized in that the outer surface of the support (1) is provided with a motor (2), the output end of the motor (2) is fixedly connected with an output shaft (3), the outer surface of the output shaft (3) is fixedly sleeved with a first rotating disc (4), the two ends of the first rotating disc (4) are fixedly connected with a second rotating disc (7), the outer surfaces of the two second rotating discs (7) are both provided with a plurality of evenly arranged sliding grooves (8), the inner walls of the plurality of sliding grooves (8) are both slidably connected with a sliding block (9), the outer surfaces of the plurality of sliding blocks (9) are both fixedly connected with a connecting block (10), every two of the plurality of connecting blocks (10) form a group, the outer surfaces of the connecting blocks (10) in each group are both fixedly connected with a first moving block (5), and the outer surfaces of the plurality of first moving blocks (5) are movably sleeved with a track (6).

2. The plastic packaging bag processing and cutting device according to claim 1, characterized in that: The outer surfaces of the plurality of first moving blocks (5) are in contact with the outer surface of the first rotating disc (4), one side of the outer surface of the first rotating disc (4) is fixedly connected with a plurality of evenly arranged second sliding blocks (11), every two of the plurality of second sliding blocks (11) form a group, and the outer surfaces of the second sliding blocks (11) in each group are respectively slidably connected with the outer surfaces of the plurality of connecting blocks (10).

3. The plastic packaging bag processing and cutting device according to claim 2, characterized in that: The outer surface of one of the second rotating discs (7) is fixedly sleeved with a gear row (12), the other side of the outer surface of the first rotating disc (4) is rotatably connected with a handle (14), the outer surface of the handle (14) is fixedly sleeved with a gear (13), and the outer surface of the gear (13) is in meshing connection with the outer surface of the gear row (12).

4. The plastic packaging bag processing and cutting device according to claim 3, characterized in that: The outer surface of the support (1) is rotatably connected with a fixing rod (15), and the opposite inner walls of the fixing rod (15) are slidably connected with a sliding shaft (16).

5. The plastic packaging bag processing and cutting device according to claim 4, characterized in that: The outer surface of the sliding shaft (16) is slidably connected with a second moving block (22), the bottom of the second moving block (22) is provided with a spring (17), and one end of the spring (17) is fixedly connected with the bottom of the second moving block (22).

6. The plastic packaging bag processing and cutting device according to claim 5, characterized in that: The other end of the spring (17) is fixedly connected with a fixing block (18), and the bottom of the fixing block (18) is fixedly connected with the outer surface of the support (1).

7. The plastic packaging bag processing and cutting device according to claim 6, characterized in that: The outer surface of the support (1) is provided with a conveyor belt (19) near the center, the outer surface of the support (1) is provided with a collection box (20) near one side edge, and the outer surface of the second moving block (22) is fixedly connected with a cutter (21).