A punching device for plastic bag production

By designing a punching device including a workbench, a C-frame, a cylinder, a motor and a transmission rod, the problems of scattering and unstable punching of plastic bag fragments in the prior art are solved, and automatic waste export and plastic bag fixation are realized, and the use efficiency and safety are improved.

CN222712996UActive Publication Date: 2025-04-04YUNNAN TAIYU IND CO LTD
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Patent Information

Application Number
CN202420767747.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-04-04
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

During the use of existing punching devices for plastic bag production, plastic bag fragments are prone to scattering and unstable punching problems, which affects the efficiency and safety of use.

Method used

A punching device including a workbench, a C-frame, a cylinder, a motor and a transmission rod is designed. By setting up a punching slot and a spiral guide plate, the waste is automatically exported, and the plastic bag is fixed through a bidirectional screw and a balanced rod structure to ensure the stability of the punching process.

Benefits of technology

It effectively solves the problems of scattering of plastic bag fragments and unstable hole punching, reduces the cleaning burden of staff, and improves the adaptability of the device to plastic bags of different sizes.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222712996U_ABST
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Abstract

The utility model discloses a punching device for plastic bag production, which relates to the technical field of punching devices for plastic bag production, including a workbench, a first C-shaped frame is provided at the upper end of the workbench, two groups of square depressions are provided inside the workbench, a screw is provided inside the first C-shaped frame, a movable frame is provided on the outer wall of the screw, a first cylinder is provided at the lower end of the movable frame, a punching head is provided at the lower end of the first cylinder, a first motor is provided at the right end of the screw, a lead-out frame is provided on the right side of the workbench, a plurality of groups of punching slots are provided at the upper end of the workbench, a cavity is provided at the lower end of the punching slot, and the cavity is connected to the lead-out frame. The utility model is a punching device for plastic bag production, which can lead out the waste generated by punching and discharge it from the lower end of the lead-out frame. The staff only needs to place a collection bucket at the lower end of the lead-out frame to collect the waste, which reduces the cleaning burden of the staff.
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Description

Technical Field

[0001] The utility model relates to the technical field of punching devices for plastic bag production, in particular to a punching device for plastic bag production. Background Art

[0002] Plastic bags are bags made of thin and flammable plastic film. They are used to hold other items and are commonly found in supermarkets, traditional markets, department stores, warehouses, garbage dumps, etc. They are indispensable items in people's daily lives. Plastic bags are cheap, extremely light, have large capacity, and are easy to store.

[0003] When the existing punching device for plastic bag production is installed and used, after the punching is completed, when the tool moves upward, the plastic bag fragments trapped in the tool will detach from the bottom of the tool and scatter on the surface of the machine, and the staff are required to collect these scattered plastic bag fragments regularly; since it is impossible to punch holes in plastic bags of different sizes, and the position of the fixed plastic bag is far from the punching position, the plastic bag may shake unstably during the punching process, which brings certain adverse effects to people's use process. In order to solve the shortcomings of the existing technology, we propose a punching device for plastic bag production. Utility Model Content

[0004] The main purpose of the utility model is to provide a punching device for plastic bag production, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A punching device for producing plastic bags, comprising a workbench, a first C-shaped frame is arranged at the upper end of the workbench, two groups of square recesses are arranged inside the workbench, a screw is arranged inside the first C-shaped frame, a movable frame is arranged on the outer wall of the screw, a first cylinder is arranged at the lower end of the movable frame, a punching head is arranged at the lower end of the first cylinder, a first motor is arranged at the right end of the screw, a lead-out frame is arranged on the right side of the workbench, a plurality of groups of punching slots are arranged at the upper end of the workbench, a cavity is arranged at the lower end of the punching slot, and the cavity is connected to the lead-out frame;

[0007] A transmission rod is arranged inside the cavity, a spiral material guide plate is arranged on the outer wall of the transmission rod, a second motor is arranged on the left side of the transmission rod, two groups of second C-shaped frames are arranged on the upper end of the workbench, a bidirectional screw and a balance rod are arranged on the inner wall of the second C-shaped frame, a connecting frame is arranged at the lower end of the second C-shaped frame, a second cylinder is arranged between the second C-shaped frame and the connecting frame, three groups of pressure plates are arranged at the lower end of the connecting frame, and a third motor is arranged at the right end of the bidirectional screw.

[0008] Preferably, the second C-shaped frame is threadedly connected to the bidirectional screw, the outer wall of the balance rod is smooth, the second C-shaped frame and the balance rod are slidably connected, the lower end of the pressure plate is provided with an anti-slip rubber pad, the transmission rod and the spiral guide plate are welded, a rotating groove is provided between the transmission rod and the workbench, the transmission rod and the workbench are movably connected through the rotating groove, and the cavity is connected to the punching groove.

[0009] Preferably, the first C-shaped frame and the workbench are welded, the movable frame and the screw are threadedly connected, a rotation groove is provided between the screw and the first C-shaped frame, the screw and the first C-shaped frame are movably connected through the rotation groove, and connecting rings are provided at both ends of the first cylinder, and the first cylinder is detachably connected to the punching head and the movable frame through the connecting rings at both ends.

[0010] Preferably, a accommodating chamber is provided between the workbench and the second motor, a rotating groove is provided between the transmission rod and the lead-out frame, and the transmission rod and the lead-out frame are movably connected via the rotating groove.

[0011] Preferably, the pressure plate and the connecting frame are threadedly connected, a connecting ring is provided between the first motor and the first C-shaped frame, and the first motor and the first C-shaped frame are detachably connected via the connecting ring.

[0012] Preferably, the balance rod and the bidirectional screw are of equal length and diameter.

[0013] Beneficial Effects

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the utility model, the waste generated by punching can be discharged from the lower end of the output frame by means of the punching groove and the spiral guide plate. The staff only needs to place a collection bucket at the lower end of the output frame to collect the waste, which reduces the cleaning burden of the staff.

[0016] 2. In the utility model, by providing structures such as the screw rod and the second C-shaped frame, the fixing structure can be brought close to the punching structure, which can prevent the plastic bag from shaking during punching, and can punch holes at different positions on plastic bags of different sizes, thereby increasing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the combined structure of the second C-shaped frame and the bidirectional screw of the utility model;

[0019] Figure 3 It is a schematic diagram of the combined structure of the workbench and the transmission rod of the utility model;

[0020] Figure 4 The utility model Figure 1 Schematic diagram of the structure at A.

[0021] In the figure: 1. workbench; 2. first C-shaped frame; 3. movable frame; 4. first motor; 5. lead-out frame; 6. punching slot; 7. transmission rod; 8. cavity; 9. second motor; 10. spiral guide plate; 11. second C-shaped frame; 12. balance rod; 13. bidirectional screw; 14. third motor; 15. connecting frame; 16. first cylinder; 17. second cylinder; 18. punching head; 19. pressure plate; 20. screw. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1-Figure 4 As shown, a punching device for plastic bag production, the second C-shaped frame 11 and the bidirectional screw 13 are threadedly connected, the outer wall of the balance rod 12 is smooth, the second C-shaped frame 11 and the balance rod 12 are slidably connected, and an anti-slip rubber pad is provided at the lower end of the pressure plate 19.

[0024] Place the plastic bag on the workbench 1, align the punching position with the punching slot 6, the third motor 14 drives the bidirectional screw 13 to rotate, and the bidirectional screw 13 drives the two groups of second C-shaped frames 11 to move in the opposite direction, that is, it can drive the two groups of second C-shaped frames 11 close to the punching position, and the second cylinder 17 drives the connecting frame 15 to descend, and drives the pressure plate 19 to press the surface of the plastic bag to complete the fixing work.

[0025] like Figure 1-Figure 4 As shown, the transmission rod 7 and the spiral guide plate 10 are welded, a rotation groove is provided between the transmission rod 7 and the workbench 1, the cavity 8 and the punching groove 6 are connected, and the cavity 8 and the lead-out frame 5 are connected.

[0026] The first motor 4 drives the screw 20 to rotate, and the screw 20 drives the movable frame 3 to move left and right, so that the movable frame 3 moves to the punching position, and the first cylinder 16 drives the punching head 18 to descend and start punching. The waste generated by the punching falls from the punching slot 6 and enters the cavity 8. The second motor 9 drives the transmission rod 7 to rotate, and the transmission rod 7 drives the spiral guide plate 10 to rotate. The spiral guide plate 10 drives the waste to move to the right and is discharged from the lower end of the lead-out frame 5.

[0027] It should be noted that the utility model is a punching device for plastic bag production. When in use, the plastic bag is placed on the workbench 1, the punching position is aligned with the punching slot 6, the third motor 14 drives the bidirectional screw 13 to rotate, and the bidirectional screw 13 drives the two groups of second C-shaped frames 11 to move in the opposite direction, that is, it can drive the two groups of second C-shaped frames 11 close to the punching position, the second cylinder 17 drives the connecting frame 15 to descend, and drives the pressure plate 19 to press the surface of the plastic bag to complete the fixing work.

[0028] The first motor 4 drives the screw 20 to rotate, and the screw 20 drives the movable frame 3 to move left and right, so that the movable frame 3 moves to the punching position, and the first cylinder 16 drives the punching head 18 to descend and start punching. The waste generated by the punching falls from the punching slot 6 and enters the cavity 8. The second motor 9 drives the transmission rod 7 to rotate, and the transmission rod 7 drives the spiral guide plate 10 to rotate. The spiral guide plate 10 drives the waste to move to the right and is discharged from the lower end of the lead-out frame 5.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A punching device for plastic bag production, comprising a workbench (1), characterized in that: A first C-shaped frame (2) is arranged at the upper end of the workbench (1), two groups of square recesses are arranged inside the workbench (1), a screw rod (20) is arranged inside the first C-shaped frame (2), a movable frame (3) is arranged on the outer wall of the screw rod (20), a first cylinder (16) is arranged at the lower end of the movable frame (3), a punching head (18) is arranged at the lower end of the first cylinder (16), a first motor (4) is arranged at the right end of the screw rod (20), a guide frame (5) is arranged on the right side of the workbench (1), a plurality of punching slots (6) are arranged at the upper end of the workbench (1), a cavity (8) is arranged at the lower end of the punching slot (6), and the cavity (8) is connected to the guide frame (5); A transmission rod (7) is arranged inside the cavity (8), a spiral material guide plate (10) is arranged on the outer wall of the transmission rod (7), a second motor (9) is arranged on the left side of the transmission rod (7), two groups of second C-shaped frames (11) are arranged on the upper end of the workbench (1), a bidirectional screw (13) and a balance rod (12) are arranged on the inner wall of the second C-shaped frame (11), a connecting frame (15) is arranged at the lower end of the second C-shaped frame (11), a second cylinder (17) is arranged between the second C-shaped frame (11) and the connecting frame (15), three groups of pressure plates (19) are arranged at the lower end of the connecting frame (15), and a third motor (14) is arranged at the right end of the bidirectional screw (13).

2. A punching device for plastic bag production according to claim 1, characterized in that: The second C-shaped frame (11) and the bidirectional screw (13) are threadedly connected, the outer wall of the balance rod (12) is smooth, the second C-shaped frame (11) and the balance rod (12) are slidably connected, the lower end of the pressure plate (19) is provided with an anti-slip rubber pad, the transmission rod (7) and the spiral guide plate (10) are welded, a rotation groove is provided between the transmission rod (7) and the workbench (1), the transmission rod (7) and the workbench (1) are movably connected through the rotation groove, and the cavity (8) and the punching groove (6) are connected.

3. A punching device for plastic bag production according to claim 1, characterized in that: The first C-shaped frame (2) and the workbench (1) are welded, the movable frame (3) and the screw rod (20) are threadedly connected, a rotation groove is provided between the screw rod (20) and the first C-shaped frame (2), the screw rod (20) and the first C-shaped frame (2) are movably connected via the rotation groove, and connecting rings are provided at both ends of the first cylinder (16), and the first cylinder (16) is detachably connected to the punching head (18) and the movable frame (3) via the connecting rings at both ends.

4. A punching device for plastic bag production according to claim 1, characterized in that: A accommodating chamber is provided between the workbench (1) and the second motor (9), a rotating groove is provided between the transmission rod (7) and the lead-out frame (5), and the transmission rod (7) and the lead-out frame (5) are movably connected via the rotating groove.

5. A punching device for plastic bag production according to claim 1, characterized in that: The pressure plate (19) and the connecting frame (15) are threadedly connected, a connecting ring is provided between the first motor (4) and the first C-shaped frame (2), and the first motor (4) and the first C-shaped frame (2) are detachably connected via the connecting ring.

6. A punching device for plastic bag production according to claim 1, characterized in that: The balance rod (12) and the bidirectional screw rod (13) are of equal length and equal diameter.