Automatic positioning and punching device of paper bag machine

Abstract

The utility model discloses an automatic positioning and punching device of a paper bag machine, and belongs to the technical field of paper bag processing. Comprising a base, a U-shaped plate is arranged at the top of the base, a U-shaped groove is formed in the side wall of the U-shaped plate, an upper transmission mechanism is slidably connected into the U-shaped groove, and a lower transmission mechanism is arranged on the inner side wall of the U-shaped plate; a driving assembly used for adjusting the distance between the upper transmission mechanism and the lower transmission mechanism is arranged on the side face of the U-shaped plate. An L-shaped supporting frame is arranged on one side of the top of the base, a transverse rod is arranged on the surface of the L-shaped supporting frame, and a lead screw assembly used for pushing paper bags to fall is arranged on the side face of the transverse rod. According to the automatic positioning and punching device for the paper bag machine, through the cooperative design of distance adjustment of the upper transmission mechanism and the lower transmission mechanism and paper bag blanking, full-process automation of paper bag conveying, punching and blanking can be achieved, the punching machining requirements of paper bags with different thicknesses are met, a servo motor of the lead screw assembly drives a push plate to push the paper bags to a blanking area, continuous production is achieved, and the production efficiency is improved. The comprehensive efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of paper bag processing technology, and in particular to an automatic positioning and punching device for a paper bag machine. Background Technology

[0002] Takeout packaging paper bags are paper bags used for packaging takeout food, typically made of materials such as kraft paper, white cardboard, or coated paper. These materials have good physical properties and environmentally friendly characteristics, making them suitable for food packaging. Perforation of takeout packaging paper bags is a key step in the production process, mainly used to create ventilation holes, handle holes, or hanging holes to optimize the user experience and meet specific functional requirements (such as steam emission, hanging display, etc.). Current perforation processes need to balance hole diameter accuracy (tolerance ≤ ±0.5mm), edge integrity (no burrs or tears), and processing efficiency (suitable for production line speeds of 60-200 bags / minute), while also possessing high adaptability to different materials (kraft paper, coated paper) and structures (single-layer / multi-layer composite) of paper bags. Therefore, developing an integrated perforation device with dynamic pressure adjustment, intelligent positioning compensation, and modular molds has become a core breakthrough direction for improving the processing efficiency and quality of paper bags.

[0003] In the prior art, such as in publication number CN209998421U, a positioning device for an automatic drilling machine is disclosed. It includes a base, an upper plane positioning component, a side plane positioning component, and a bottom positioning component disposed on the base. The upper plane positioning component includes an upper positioning block, the side plane positioning component includes a side positioning block, and the bottom positioning component includes a bottom positioning block. The upper positioning block is provided with a first positioning part, the side positioning block is provided with a second positioning part, and the bottom positioning block is provided with a third positioning part. The first positioning part matches the top shape of the product, the second positioning part matches the side shape of the product, and the third positioning part matches the bottom shape of the product. After the first positioning part, the second positioning part, and the third positioning part position the product, they form a drilling avoidance part. While the aforementioned patents utilize an automatic punching machine's positioning device to accurately position products, avoid interference during punching, reduce punching difficulty, and improve punching accuracy and efficiency, they struggle with punching paper bags. The varying thicknesses of paper bags due to their different materials and folding methods make it difficult to effectively drive and fix bags of different thicknesses, reducing the adaptability of the punching process. Furthermore, punched paper bags accumulate at the machine's discharge point, hindering timely unloading and affecting the continuity of punching. Therefore, we propose an automatic positioning punching device for paper bag machines to improve the adaptability of paper bag punching and ensure continuous punching. Utility Model Content

[0004] The purpose of this utility model is to provide an automatic positioning and punching device for paper bag machines, which aims to solve the problems of poor adaptability of paper bag thickness and difficulty in paper bag punching and material feeding during the punching process.

[0005] To solve the above-mentioned technical problems, this utility model provides an automatic positioning and punching device for a paper bag machine, including a base, a U-shaped plate on the top of the base, a U-shaped groove on the side wall of the U-shaped plate, an upper transmission mechanism slidably connected inside the U-shaped groove, and a lower transmission mechanism on the inner side wall of the U-shaped plate; a drive assembly for adjusting the distance between the upper and lower transmission mechanisms is provided on the side of the U-shaped plate; an L-shaped support is provided on one side of the top of the base, a crossbar is provided on the surface of the L-shaped support, and a screw assembly for pushing the paper bag to fall is provided on the side of the crossbar.

[0006] Preferably, the upper transmission mechanism includes an A drive motor slidably connected inside the U-shaped groove, an A rotating shaft is provided at the output end of the A drive motor, a conveyor belt is provided on the surface of the A rotating shaft, a B rotating shaft is provided on one side inside the conveyor belt, and connecting rods are provided on the sides of both the A rotating shaft and the B rotating shaft.

[0007] Preferably, the upper transmission mechanism and the lower transmission mechanism have the same structure and are symmetrically distributed along the upper and lower axes, and the same connecting rod provided on the side of the lower transmission mechanism is fixedly connected to the inner wall of the U-shaped plate.

[0008] Preferably, the drive assembly includes an A connecting block disposed on the side of the U-shaped plate, a threaded rod rotatably connected to the top of the A connecting block, a threaded block disposed on the surface of the threaded rod, one side of the threaded block being fixedly connected to a connecting rod on one side of the upper transmission mechanism, and a rotating ring disposed at the top of the threaded rod.

[0009] Preferably, the lead screw assembly includes a servo motor disposed on the side of the crossbar, the output end of the servo motor is provided with a threaded lead screw, the surface of the threaded lead screw is provided with a drive block, a push plate is provided on one side of the drive block, and the push plate is slidably connected to the top of the crossbar.

[0010] Preferably, a punching machine for punching holes in paper bags is provided on one side of the top of the L-shaped support frame, and a punching head is provided at the bottom of the punching machine.

[0011] Preferably, the side of the crossbar is provided with a guide plate for guiding the paper bag, and the guide plate is on the same axis as the upper transmission mechanism and the lower transmission mechanism.

[0012] Preferably, a synchronization controller is provided on the side of the U-shaped plate and on one side of the U-shaped groove, and the synchronization controller is electrically connected to the A drive motor in the upper transmission mechanism and the lower transmission mechanism respectively.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. The automatic positioning and punching device for paper bag machines of this utility model is designed to control the upper transmission mechanism to move up and down through the drive component. The upper and lower transmission mechanisms rotate in opposite directions and synchronously to form a bidirectional frictional force to drive the paper bag and avoid deviation. The drive component adjusts the height of the upper transmission mechanism to adapt to the thickness of the paper bag. The clamping force is precisely controlled by the threaded rod to ensure that the paper bag is transported without slippage.

[0015] 2. The automatic positioning and punching device for paper bag machines of this utility model, through the design of the lead screw assembly, allows the punching machine to complete the punching when the paper bag reaches below the punching head. The servo motor of the lead screw assembly drives the push plate to push the paper bag to the material dropping area, thus realizing continuous production. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of an automatic positioning and punching device for a paper bag machine provided by this utility model;

[0017] Figure 2 This is a schematic diagram of the upper and lower transmission mechanism distribution structure of an automatic positioning and punching device for a paper bag machine provided by this utility model;

[0018] Figure 3 This is an exploded view of the overall structure of an automatic positioning and punching device for a paper bag machine provided by this utility model;

[0019] Figure 4 This is a schematic diagram of the drive component structure of an automatic positioning and punching device for a paper bag machine provided by this utility model;

[0020] Figure 5 This is a schematic diagram of the upper transmission mechanism of an automatic positioning and punching device for a paper bag machine provided by this utility model;

[0021] Figure 6 This is a schematic diagram of the screw assembly structure of an automatic positioning and punching device for a paper bag machine provided by this utility model;

[0022] In the diagram: 1. Base; 2. U-shaped plate; 3. U-shaped channel; 4. Upper transmission mechanism; 401. A drive motor; 402. A rotating shaft; 403. Conveyor belt; 404. B rotating shaft; 405. Connecting rod; 5. Lower transmission mechanism; 6. Drive assembly; 601. A connecting block; 602. Threaded rod; 603. Threaded block; 604. Rotary ring; 7. L-shaped support; 8. Crossbar; 9. Screw assembly; 901. Servo motor; 902. Threaded screw; 903. Drive block; 904. Push plate; 10. Drilling machine; 11. Drilling head; 12. Guide plate; 13. Synchronization controller. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become clearer from the following description and claims. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the present invention.

[0024] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example

[0026] This utility model provides an automatic positioning and punching device for a paper bag machine. Please refer to [link / reference]. Figures 1-6The system includes a base 1, a U-shaped plate 2 on the top of the base 1, a U-shaped groove 3 on the side wall of the U-shaped plate 2, an upper transmission mechanism 4 slidably connected inside the U-shaped groove 3, a lower transmission mechanism 5 on the inner side wall of the U-shaped plate 2, a drive assembly 6 for adjusting the distance between the upper transmission mechanism 4 and the lower transmission mechanism 5 on the side of the U-shaped plate 2, an L-shaped support 7 on one side of the top of the base 1, a crossbar 8 on the surface of the L-shaped support 7, and a screw assembly 9 for pushing the paper bag to fall on the side of the crossbar 8. The upper transmission mechanism 4 includes an A drive motor 401 slidably connected inside the U-shaped groove 3. The output end of the A drive motor 401 is provided with an A rotating shaft 402. A conveyor belt 403 is provided on the surface of the A rotating shaft 402. A B rotating shaft 404 is provided on one side inside the conveyor belt 403. Connecting rods 405 are provided on the sides of both the A rotating shaft 402 and the B rotating shaft 404. A synchronous controller 13 is provided on the side of the U-shaped plate 2 and on one side of the U-shaped groove 3. The synchronous controller 13 is electrically connected to the A drive motor 401 in the upper transmission mechanism 4 and the lower transmission mechanism 5 respectively. The upper transmission mechanism 4 and the lower transmission mechanism 5 have the same structure and are symmetrically distributed on the upper and lower axes. The same connecting rods 405 provided on the side of the lower transmission mechanism 5 are fixedly connected to the inner wall of the U-shaped plate 2.

[0027] The drive assembly 6 includes an A connecting block 601 disposed on the side of the U-shaped plate 2. A threaded rod 602 is rotatably connected to the top of the A connecting block 601. A threaded block 603 is disposed on the surface of the threaded rod 602. One side of the threaded block 603 is fixedly connected to a connecting rod 405 on one side of the upper transmission mechanism 4. A rotating ring 604 is disposed at the top of the threaded rod 602.

[0028] The lead screw assembly 9 includes a servo motor 901 disposed on the side of the crossbar 8. The output end of the servo motor 901 is provided with a threaded lead screw 902. The surface of the threaded lead screw 902 is provided with a drive block 903. A push plate 904 is provided on one side of the drive block 903. The push plate 904 is slidably connected to the top of the crossbar 8.

[0029] A punching machine 10 for punching holes in paper bags is provided on one side of the top of the L-support 7. A punching head 11 is provided at the bottom of the punching machine 10. A guide plate 12 for guiding the paper bags is provided on the side of the crossbar 8. The guide plate 12 is on the same axis as the upper transmission mechanism 4 and the lower transmission mechanism 5.

[0030] It should be noted that both the upper transmission mechanism 4 and the lower transmission mechanism 5 are installed inside the U-shaped plate 2. The structures of the upper transmission mechanism 4 and the lower transmission mechanism 5 are the same, but the lower transmission mechanism 5 is fixed. The connecting rod 405 of the lower transmission mechanism 5 is fixedly connected to the inner side wall of the U-shaped plate 2. At the same time, the motor inside the lower transmission mechanism 5 is fixedly connected to the other inner side wall of the U-shaped plate 2. The upper transmission mechanism 4 is fixedly connected to the threaded block 603 in the drive assembly 6 through the connecting rod 405. When the threaded rod 602 is rotated, it drives the threaded block 603 to move up and down, which will drive the upper transmission mechanism 4 to rise or fall as a whole, thereby adjusting the distance between the upper transmission mechanism 4 and the lower transmission mechanism 5 and adapting to paper bags of different thicknesses.

[0031] Preferably, the operator places the paper bag between the upper and lower transmission mechanisms. The drive assembly 6 adjusts the height of the upper transmission mechanism 4 through the threaded rod 602 so that it clamps the paper bag with the lower transmission mechanism 5. The upper and lower transmission mechanisms rotate synchronously in opposite directions: the drive motor 401 starts synchronously with the motor in the lower transmission mechanism 5, the conveyor belt 403 moves in opposite directions, and drives the paper bag to move towards the punching station. The paper bag is guided by the guide plate 12 to the bottom of the punching head 11. The guide plate (12) is set coaxially with the upper and lower transmission mechanisms. During the conveying process, the paper bag is physically limited on both sides by the guide plate (12), which forcibly aligns with the punching axis of the punching head (11) to achieve lateral positioning. When the paper bag is conveyed to the end of the guide plate (12), its punching position coincides with the vertical projection of the punching head (11), and longitudinal positioning is achieved through mechanical hard limiting.

[0032] Preferably, when adjusting the distance between the upper transmission mechanism 4 and the lower transmission mechanism 5, the operator only needs to rotate the rotating ring 604 to drive the threaded rod 602 to rotate, which in turn drives the threaded block 603 to move up and down. The side of the U-shaped plate 2 is provided with a moving groove that matches the threaded block 603, and the threaded block 603 is embedded in the moving groove. As the threaded rod 602 rotates, it drives the threaded block 603 to move up and down inside the moving groove.

[0033] Preferably, when the paper bag moves to the bottom of the punching head 11 and completes the punching operation, the servo motor 901 drives the threaded screw 902 to rotate, which in turn drives the push plate 904 to move horizontally on the surface of the crossbar 8 through the drive block 903. The crossbar 8 also serves as a support for punching the paper bag, so that the paper bag with the punched hole on the surface of the crossbar 8 can be pushed down into the basket to complete the material collection.

[0034] Operating procedure: The operator rotates the rotating ring 604 → the threaded rod 602 drives the threaded block 603 to move down → the upper transmission mechanism 4 presses down along the U-shaped groove 3, the A drive motor 401 rotates forward and the motor in the lower transmission mechanism 5 rotates in reverse → the conveyor belt 403 → the paper bag moves towards the punching station at a certain speed, the paper bag is in place → the punching machine 10 starts operating → the moving punching head 11 punches down → after punching is completed, the servo motor 901 drives the push plate 904 to push the paper bag → the paper bag slides into the collection basket.

[0035] In summary, the automatic positioning and punching device for paper bag machines of this utility model, through the coordinated design of the spacing adjustment of the upper and lower transmission mechanisms and the paper bag feeding, can realize the full automation of the paper bag conveying-punching-feeding process, adapt to the punching processing needs of paper bags of different thicknesses, and improve overall efficiency.

[0036] The above description is only a description of the preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the protection scope of the claims.

Claims

1. A paper bag machine automatic positioning perforating device, characterized by, Including the base (1), the top of base (1) is provided with U-shaped plate (2), the side wall of U-shaped plate (2) is provided with U-shaped groove (3), the inside of U-shaped groove (3) is slidably connected with upper transmission mechanism (4), the inner side wall of U-shaped plate (2) is provided with lower transmission mechanism (5); The side of U-shaped plate (2) is provided with drive assembly (6) for adjusting the distance between upper transmission mechanism (4) and lower transmission mechanism (5); The side of the top of base (1) is provided with L support frame (7), the surface of L support frame (7) is provided with crossbar (8), the side of crossbar (8) is provided with lead screw assembly (9) for pushing paper bag blanking.

2. An automatic positioning and perforating device for a paper bag machine as defined in claim 1, wherein The upper transmission mechanism (4) includes A drive motor (401) slidably connected in the inside of U-shaped groove (3), the output end of A drive motor (401) is provided with A rotating shaft (402), the surface of A rotating shaft (402) is provided with conveyor belt (403), one side of the inside of conveyor belt (403) is provided with B rotating shaft (404), the side of A rotating shaft (402) and B rotating shaft (404) is provided with connecting rod (405).

3. An automatic positioning and perforating apparatus for a paper bag machine as defined in claim 1, wherein The upper transmission mechanism (4) and lower transmission mechanism (5) are the same structure and are distributed in axial symmetry, and the same connecting rod (405) provided on the side of lower transmission mechanism (5) is fixedly connected with the inner side wall of U-shaped plate (2).

4. An automatic positioning and perforating apparatus for a paper bag machine as defined in claim 1, wherein, The drive assembly (6) includes A connecting block (601) provided on the side of U-shaped plate (2), the top end of A connecting block (601) is rotatably connected with threaded rod (602), the surface of threaded rod (602) is provided with threaded block (603), one side of threaded block (603) is fixedly connected with connecting rod (405) on one side of upper transmission mechanism (4), the top end of threaded rod (602) is provided with rotating ring (604).

5. An automatic positioning and perforating apparatus for a paper bag machine as defined in claim 1, wherein, The lead screw assembly (9) includes servo motor (901) provided on the side of crossbar (8), the output end of servo motor (901) is provided with threaded lead screw (902), the surface of threaded lead screw (902) is provided with drive block (903), one side of drive block (903) is provided with push plate (904), the top of crossbar (8) is slidably connected with push plate (904).

6. An automatic positioning and perforating apparatus for a paper bag machine as defined in claim 1, wherein, The top of L support frame (7) is provided with puncher (10) for punching paper bag, the bottom of puncher (10) is provided with punching head (11).

7. An automatic positioning and perforating apparatus for a paper bag machine as defined in claim 1, wherein, The side of crossbar (8) is provided with guide plate (12) for guiding the movement of paper bag, and guide plate (12) is on the same axis with upper transmission mechanism (4) and lower transmission mechanism (5).

8. An automatic positioning and perforating apparatus for a paper bag machine as defined in claim 1, wherein, The side of U-shaped plate (2) and located on one side of U-shaped groove (3) is provided with synchronous controller (13), and synchronous controller (13) is electrically connected with A drive motor (401) in upper transmission mechanism (4) and lower transmission mechanism (5) respectively.

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