Woven bag punching equipment

By combining a fixed mechanism and a multi-directional moving mechanism with a tension rod and a return spring, the problem of inaccurate punching of woven bags is solved, achieving a stable and efficient punching process, reducing manual operation, and improving the flexibility and safety of the equipment.

CN223864473UActive Publication Date: 2026-02-03NANNING HENGQIANG PLASTIC IND CO LTD
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Patent Information

Application Number
CN202520498320.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-02-03
Estimated Expiration
2035-03-20

AI Technical Summary

Technical Problem

Existing woven bag punching devices tend to loosen in the middle when the edges of the woven bag are tightened, resulting in inaccurate punching. Furthermore, manual adjustment by workers is time-consuming and labor-intensive, and poses safety hazards.

Method used

A fixed mechanism is used to press the edge of the woven bag tightly. Combined with longitudinal, lateral and vertical moving mechanisms, the position of the punching mechanism is adjusted. Through the cooperation of the tension rod and the return spring, the bag body around the punching position is first tightened before punching.

Benefits of technology

It achieves stability and precision in punching holes in woven bags, reduces worker operation time, improves punching efficiency, and avoids the risk of hand injury.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a woven bag punching device which comprises an operation table used for containing a woven bag, a support is vertically arranged on one transverse side of the operation table, fixing mechanisms are arranged on the two longitudinal sides of the top of the operation table, a longitudinal moving mechanism is installed on the end face, opposite to the operation table, of the support, and a transverse moving mechanism is installed on the longitudinal moving mechanism. A vertical moving mechanism is mounted on the transverse moving mechanism, and a punching mechanism is mounted on the vertical moving mechanism; the punching mechanism comprises a mounting plate, the mounting plate is of a circular plate-shaped structure, a punching head is vertically arranged below the mounting plate, the top end of the punching head is fixedly connected with the center of the bottom end of the mounting plate, a plurality of mounting grooves are formed in the peripheral side of the mounting plate at equal intervals, rotating shafts are arranged in the mounting grooves, and the rotating shafts are rotationally sleeved with stretching rods. In the punching process of the woven bag, the punching mechanism tightens the bag body around the position to be punched of the woven bag and then punches the woven bag, and the problem that the woven bag is still loose after being fixed is solved.
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Description

Technical Field

[0001] This utility model relates to woven bag production technology, and in particular to a woven bag punching device. Background Technology

[0002] Woven bags, also known as snake-skin bags, are generally made of various chemical plastics such as polyethylene and polypropylene. Woven bags have a wide range of uses, mainly for packaging various items, and are widely used in industry.

[0003] During the production of woven bags, holes need to be punched. Most existing punching devices rely on pressure plates to press the two sides of the woven bag to be punched. However, when pressing the edges of the woven bag, the middle of the bag is still relatively loose, which can easily lead to inaccurate punching. Workers need to manually adjust and tighten the woven bag again, which is time-consuming and laborious. In addition, workers' hands are also prone to touching the punching head and getting injured. Utility Model Content

[0004] The purpose of this invention is to provide a woven bag punching device to solve the problems mentioned in the background art.

[0005] The technical solution adopted in this utility model is:

[0006] A woven bag punching device includes an operating table for placing woven bags. A support is vertically mounted on one side of the operating table, and the support has an L-shaped plate structure. Fixing mechanisms are provided on both longitudinal sides of the top of the operating table. A longitudinal moving mechanism is mounted on the end face of the support opposite to the operating table. A transverse moving mechanism is mounted on the longitudinal moving mechanism, and a vertical moving mechanism is mounted on the transverse moving mechanism. A punching mechanism is mounted on the vertical moving mechanism. The punching mechanism includes a mounting plate, which has a circular plate structure. A punching head is vertically mounted below the mounting plate. The top end of the punching head is fixedly connected to the center of the bottom end of the mounting plate. Multiple mounting grooves are evenly spaced along the periphery of the mounting plate. A rotating shaft is provided in each mounting groove, and a tension rod is rotatably sleeved on the rotating shaft.

[0007] This invention uses a fixing mechanism to firmly press the woven bag against its edge, ensuring stability during subsequent punching. A horizontal moving mechanism drives a vertical moving mechanism to move horizontally, and the vertical moving mechanism drives the punching mechanism to move vertically up and down, allowing for multi-directional positional adjustment of the punching mechanism for easier positioning during punching. When the punching head moves downwards, the bottom end of the tension rod of the punching mechanism first contacts the woven bag. As the punching head gradually moves downwards, the tension rod rotates around its axis, and its bottom end moves outwards, pressing against the woven bag to tighten the area around the punching point before punching, thus solving the problem of loose woven bags.

[0008] Furthermore, a return spring and a slip ring are fitted onto the punching head. The slip ring is slidably connected to the punching head, and a connecting rod is hinged between the slip ring and the tension rod. The two ends of the return spring are fixedly connected to the mounting plate and the slip ring, respectively. When the return spring is in its natural state, the tension rod is tilted relative to the punching head, and the bottom end of the tension rod is lower than the bottom end of the punching head in the vertical direction, so that the bottom end of the tension rod contacts the woven bag first and moves outward. The connecting rod drives the slip ring to move downward until the return spring is fully stretched, after which the punching head punches a hole in the woven bag. After punching is completed, the return spring elastically recovers and drives the connecting rod and the tension rod to return to their original positions.

[0009] Furthermore, a roller is provided at the end of the tension rod away from the pivot, and a rubber sleeve is fixedly fitted on the outer circumference of the roller. The roller allows the bottom end of the tension rod to move closer to the woven bag, and the rubber sleeve increases the frictional resistance, which is beneficial for opening the woven bag.

[0010] Furthermore, the fixing mechanism includes a fixing frame, which has an L-shaped plate structure. An electric push rod is vertically mounted on the fixing frame, and a pressure plate is fixedly connected to the movable end of the electric push rod.

[0011] Furthermore, the longitudinal moving mechanism includes two guide rails symmetrically arranged longitudinally and guide rail sliders slidably connected to the guide rails; the transverse moving mechanism includes a housing, which is fixedly connected to both guide rail sliders, a lead screw is rotatably connected inside the housing, a motor is installed on one side of the housing, one end of the lead screw is fixedly connected to the output end of the motor, and a lead screw slider is threaded onto the lead screw.

[0012] Furthermore, a pad is detachably installed on the top of the operating table. The pad has a through hole to prevent the bottom of the drilling head from directly contacting the operating table during drilling, thus protecting the table surface and facilitating the drilling head 72 to pass through the through hole to complete the drilling.

[0013] Furthermore, the vertical movement mechanism employs an electric push rod.

[0014] Furthermore, the number of mounting slots is 4-6.

[0015] By adopting the above technical solution, this utility model has the following beneficial effects:

[0016] 1. This utility model uses a fixing mechanism to press tightly against the edge of the woven bag to fix the woven bag, ensuring the stability of subsequent punching work;

[0017] 2. This utility model uses a horizontal moving mechanism to drive a vertical moving mechanism to move horizontally, and a vertical moving mechanism to drive a drilling mechanism to move vertically up and down, so that the drilling mechanism can be adjusted in multiple directions, which facilitates subsequent drilling positioning and improves the flexibility of equipment use.

[0018] 3. This utility model solves the problem of loose woven bags by first tightening the bag body around the area to be punched during the punching process through a punching mechanism. It eliminates the need for workers to manually adjust the bag, saving time and improving punching efficiency. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0020] Figure 2 This is a three-dimensional structural schematic diagram of the present invention from another perspective.

[0021] Figure 3 This is a schematic diagram of the punching mechanism of this utility model.

[0022] Figure 4 This is a schematic diagram of the working structure of the punching mechanism of this utility model.

[0023] In the attached diagram, the components are: operating table 1, bracket 2, fixing mechanism 3, fixing frame 31, electric actuator 32, pressure plate 33, longitudinal moving mechanism 4, guide rail 41, guide rail slider 42, lateral moving mechanism 5, box body 51, lead screw 52, ​​motor 53, lead screw slider 54, vertical moving mechanism 6, drilling mechanism 7, mounting plate 71, drilling head 72, mounting groove 73, rotating shaft 74, tension rod 75, return spring 76, slip ring 77, connecting rod 78, roller 79, rubber sleeve 791, pad 8, and through hole 81. Detailed Implementation

[0024] like Figure 1 Figure 4 As shown, this embodiment of a woven bag punching device includes an operating table 1 and a support 2. The support 2 has an L-shaped plate structure and is vertically installed on one side of the operating table 1, or it is integrally formed with the operating table 1. Fixing mechanisms 3 are provided on both longitudinal sides of the top of the operating table 1. The fixing mechanisms 3 specifically include a fixing frame 31, an electric push rod 32, and a pressure plate 33. The fixing frame 31 has an L-shaped plate structure and is fixedly welded to the longitudinal end faces of the top of the operating table 1. The electric push rod 32 is vertically installed on the end face of the fixing frame 31 opposite to the operating table 1, and its movable end is fixedly welded to the pressure plate 33. A rubber layer 34 is laid on the end face of the pressure plate 33 opposite to the operating table 1. After the woven bag to be punched is laid flat on the operating table 1, the electric push rod 32 extends and retracts, causing the pressure plate 33 to move horizontally downwards, pressing it tightly against the edge of the woven bag to fix it and ensure the stability of subsequent punching operations.

[0025] A longitudinal moving mechanism 4 is installed on the end face of the bracket 2 opposite to the operating table 1. A transverse moving mechanism 5 is installed on the longitudinal moving mechanism 4, a vertical moving mechanism 6 is installed on the transverse moving mechanism 5, and a drilling mechanism 7 is installed on the vertical moving mechanism 6. The longitudinal moving mechanism 4 includes two guide rails 41 symmetrically arranged longitudinally and guide rail sliders 42 slidably connected to the guide rails 41. The transverse moving mechanism 5 includes a housing 51, a lead screw 52, ​​a motor 53, and a lead screw slider 54. The vertical moving mechanism 6 uses an electric push rod. The housing 51 has a groove along its length, with the groove opening facing downwards. The top of the housing 51 is fixedly connected to both guide rail sliders 42. The lead screw 52 is arranged inside the housing 51. A motor 53 is installed on the right side inside the housing 51. One end of the lead screw 52 is rotatably connected to the housing 51, and the other end is fixedly connected to the output end of the motor 53. A lead screw slider 54 is threadedly connected to the lead screw 52, ​​and an electric push rod is installed at the bottom end of the lead screw slider 54. The longitudinal moving mechanism 4 drives the transverse moving mechanism 5 to move horizontally along the longitudinal direction. The transverse moving mechanism 5 drives the vertical moving mechanism 6 to move horizontally along the transverse direction. The vertical moving mechanism 6 drives the drilling mechanism 7 to move vertically up and down, so that the drilling mechanism 7 can be adjusted in multiple directions, which is convenient for subsequent drilling positioning.

[0026] like Figures 3-4 As shown, the drilling mechanism 7 includes a mounting plate 71, which has a circular plate structure. A drilling head 72 is vertically arranged below the mounting plate 71. The top end of the drilling head 72 is fixedly connected to the center of the bottom end of the mounting plate 71. The mounting plate 71 has multiple mounting grooves 73 evenly spaced along its periphery. In this embodiment, there are 6 mounting grooves 73. A rotating shaft 74 (not shown in the figure) is arranged in the mounting groove 73. A tension rod 75 is rotatably sleeved on the rotating shaft 74. Meanwhile, a return spring 76 and a slip ring 77 are fitted on the punch head 72. The slip ring 77 is slidably connected to the punch head 72. A connecting rod 78 is hinged between the slip ring 77 and the tension rod 75. The two ends of the return spring 76 are fixedly connected to the mounting plate 71 and the slip ring 77, respectively. When the return spring 76 is in its natural state, the tension rod 75 is inclined relative to the punch head 72. The bottom end of the tension rod 75 is lower than the bottom end of the punch head 72 in the vertical direction. A groove 751 is provided at the end of the tension rod 75 away from the rotating shaft 74. A roller 79 is provided in the groove. A rubber sleeve 791 is fixedly fitted on the outer periphery of the roller 79.

[0027] Based on the aforementioned scheme, as a preferred embodiment, a pad 8 is detachably laid flat on the top of the operating table 1. A through hole 81 can be pre-drilled on the pad 8 according to the position of the woven bag to be punched, so as to prevent the bottom end of the punching head 72 from directly contacting the operating table 1 during punching, protect the table surface of the operating table 1 and facilitate the punching head 72 to pass through the through hole 81 to complete the punching.

[0028] The punching process of this utility model is as follows: After the woven bag is placed on the pad 8 on the operating table 1 and fixed by the fixing mechanism 3, the punching head 72 is aligned with the punching position of the woven bag by the longitudinal moving mechanism 4 and the transverse moving mechanism 5. Then, the punching head 72 is moved down by the vertical moving mechanism 6 until the roller 79 on the tension rod 75 contacts the woven bag and rolls outward. During the process, the connecting rod 78 drives the slip ring 77 to move down. Due to the certain friction between the rubber sleeve 791 and the woven bag, the woven bag is opened up while the roller 79 is rolling, and the bag body around the punching position is tightened until the return spring 76 is fully stretched. After the bottom end of the tension rod 75 (the bottom end of the roller 79) is higher than the bottom end of the punching head 72 in the vertical direction, the punching head 72 enters the through hole 81 and punches the woven bag. After punching is completed, the vertical moving mechanism 6 drives the punching head 72 to move upward, the reset spring 76 resets, causing the tension rod 75 to reset, and the electric push rod 32 drives the pressure plate 33 to move upward, and the punched woven bag is taken out.

[0029] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and 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," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A woven bag punching device, comprising an operating table (1), wherein a support (2) is vertically arranged on one side of the operating table (1), the support (2) having an L-shaped plate structure, characterized in that: The top of the operating table (1) is provided with a fixing mechanism (3) on both sides of the longitudinal direction. The bracket (2) is provided with a longitudinal moving mechanism (4) on the end face opposite to the operating table (1). A transverse moving mechanism (5) is installed on the longitudinal moving mechanism (4). A vertical moving mechanism (6) is installed on the transverse moving mechanism (5). A drilling mechanism (7) is installed on the vertical moving mechanism (6). The drilling mechanism (7) includes a mounting plate (71). The mounting plate (71) has a circular plate structure. A drilling head (72) is vertically provided below the mounting plate (71). The top of the drilling head (72) is fixedly connected to the center of the bottom end of the mounting plate (71). The mounting plate (71) is provided with multiple mounting grooves (73) at equal intervals along its periphery. A rotating shaft (74) is provided in the mounting groove (73). A tension rod (75) is rotatably sleeved on the rotating shaft (74).

2. The woven bag punching device according to claim 1, characterized in that: A return spring (76) and a slip ring (77) are fitted on the punch head (72). The slip ring (77) is slidably connected to the punch head (72). A connecting rod (78) is hinged between the slip ring (77) and the tension rod (75). The two ends of the return spring (76) are fixedly connected to the mounting plate (71) and the slip ring (77) respectively. When the return spring (76) is in its natural state, the tension rod (75) is inclined relative to the punch head (72).

3. The woven bag punching device according to claim 2, characterized in that: The end of the tension rod (75) away from the pivot (74) is provided with a roller (79), and a rubber sleeve (791) is fixedly sleeved on the outer periphery of the roller (79).

4. The woven bag punching device according to claim 1, characterized in that: The fixing mechanism (3) includes a fixing frame (31), which has an L-shaped plate structure. An electric push rod (32) is vertically arranged on the fixing frame (31), and a pressure plate (33) is fixedly connected to the movable end of the electric push rod (32).

5. The woven bag punching device according to claim 1, characterized in that: The longitudinal moving mechanism (4) includes two guide rails (41) symmetrically arranged longitudinally and guide rail sliders (42) slidably connected to the guide rails (41); the transverse moving mechanism (5) includes a box (51), which is fixedly connected to the two guide rail sliders (42) at the same time. A lead screw (52) is rotatably connected inside the box (51). A motor (53) is installed on one side inside the box (51). One end of the lead screw (52) is fixedly connected to the output end of the motor (53). A lead screw slider (54) is threadedly connected to the lead screw (52).

6. The woven bag punching device according to claim 1, characterized in that: The top of the operating table (1) is detachably fitted with a pad (8), and the pad (8) has a through hole (81).

7. The woven bag punching device according to claim 1, characterized in that: The vertical moving mechanism (6) uses an electric push rod.

8. A woven bag punching device according to claim 2, characterized in that: The number of mounting slots (73) is 4-6.