Single zipper opening device of bag making machine

By designing a single zipper opening device for a bag-making machine, and using a pushing component and a spreading component to precisely control the opening of the zipper, the problems of low production efficiency and inconsistent opening quality of existing bag-making machines are solved, achieving efficient and precise zipper bag production.

CN223521191UActive Publication Date: 2025-11-07DALIAN YIHAI PACKING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422977270.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-11-07
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

Existing bag-making machines are inefficient when producing single-zipper open bags, with inconsistent opening quality. Furthermore, existing opening devices have poor adaptability and cannot meet the needs of large-scale, high-quality production.

Method used

A single zipper opening device for a bag making machine was designed, including a pushing component and an opening component. A cylinder drives a push rod and a U-shaped frame to drive a sliding rod and a connecting block. A suction cup precisely controls the opening of the zipper to ensure accurate connection between the zipper and the bag body.

Benefits of technology

It improves the manufacturing quality and production efficiency of zippered pockets, achieves a tight connection between the zipper and the bag body, simplifies the packaging process, and enhances overall production efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223521191U_ABST
    Figure CN223521191U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of mechanical equipment, and discloses a bag making machine single zipper opening device which comprises a base, two stand columns are installed on the top of the base, a cross beam is fixedly connected to the opposite sides of the two stand columns, a vertical plate is fixedly connected to the outer portion of the cross beam, and a pushing assembly is arranged outside the vertical plate. An opening assembly is arranged outside the pushing assembly; the pushing assembly comprises an air cylinder, the output end of the air cylinder is fixedly connected with a pushing rod, and the end, away from the air cylinder, of the pushing rod is fixedly connected with a U-shaped frame. According to the utility model, the U-shaped frame is pushed by the push rod, so that the sliding rod drives the connecting block to open, close and unfold, the movement of the supporting plate can be accurately controlled, the composite position accuracy of the zipper on the bag body is effectively ensured, the zipper and the bag body are tightly and orderly combined, and the manufacturing quality of the zipper opening bag is improved; and the zipper opening of each bag can meet the standard requirement.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field especially relates to a single zip opening device of bag making machine. BACKGROUND

[0002] In the modern packaging industry, consumers have greatly increased demand for packaging convenience, and zip opening bags have thus been widely popularized in the fields of food, daily chemicals, medicine, etc. Whether it is the preservation and moisture resistance of food packaging, the convenient use of daily chemical products, or the sanitary sealing of medical supplies, zip opening bags can well meet the diversified packaging needs, and their market share is also continuously and steadily expanding.

[0003] At present, some bag making machines rely on manual assistance in producing single zip opening bags. This results in low production efficiency and uneven opening quality, such as size deviation, poor combination of zippers and bag bodies, etc. It is difficult to meet the demand of large-scale high-quality production, which limits the innovative development of the packaging industry. At the same time, the existing opening device has poor adaptability, and it takes a long time to debug and replace parts when adjusting the specifications, which increases cost and reduces efficiency. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a single zip opening device of bag making machine, aiming at improving the problem of low production efficiency and uneven opening quality in the prior art, such as size deviation, poor combination of zippers and bag bodies, etc.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a single zip opening device of bag making machine, comprising a base, two vertical columns are installed on the top of the base, two vertical columns are fixedly connected with a cross beam on the opposite side, a vertical plate is fixedly connected outside the cross beam, a pushing assembly is arranged outside the vertical plate, a spreading assembly is arranged outside the pushing assembly;

[0006] The pushing assembly comprises a gas cylinder, a push rod is fixedly connected to the output end of the gas cylinder, a U-shaped frame is fixedly connected to the end of the push rod away from the gas cylinder, a sliding rod is fixedly connected to the outer part of the U-shaped frame away from the push rod, a fixed block is fixedly connected to the outer part of the vertical plate, two connecting blocks are rotatably connected inside the fixed block through a rotating rod, and the outer part of the sliding rod is slidingly connected inside the connecting block.

[0007] As a further description of the above technical scheme:

[0008] The spreading assembly comprises two horizontal plates, the two horizontal plates are fixedly connected outside the connecting blocks, and two suction cups are fixedly connected to the opposite sides of the two horizontal plates, respectively.

[0009] As a further description of the above technical scheme:

[0010] The connecting block is externally provided with a sliding groove, and the sliding rod is externally and slidingly connected in the sliding groove.

[0011] As a further description of the above technical solution:

[0012] The push rod is externally and slidingly connected in the vertical plate.

[0013] As a further description of the above technical solution:

[0014] The U-shaped frame is externally and slidingly connected in the fixed block.

[0015] As a further description of the above technical solution:

[0016] The opening assembly is mounted on the outside of the fixed block through the connecting block.

[0017] As a further description of the above technical solution:

[0018] The cylinder is externally and fixedly connected on the outside of the vertical plate away from the fixed block.

[0019] As a further description of the above technical solution:

[0020] One side of the horizontal plate is provided as an inclined surface.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、The utility model discloses a push rod is used for driving the U-shaped frame, and the sliding rod drives the opening and closing of the connecting block, so that the movement of the supporting plate can be accurately controlled, the composite position accuracy of the zipper on the bag body is effectively guaranteed, the zipper is combined closely and neatly with the bag body, the production quality of the zipper opening bag is greatly improved, and it is ensured that the zipper opening of each bag can meet the standard requirements.

[0023] 2、The utility model discloses a horizontal plate and a suction cup are used for supporting the zipper and keeping the zipper in an open state, so that the zipper bag produced by the bag making machine can directly enter a packaging machine to carry out packaging operation, and manual opening of the zipper is not needed, the efficiency of the whole packaging operation process is improved, the efficient connection of the bag making and packaging processes is helped, and the overall production efficiency is improved. DRAWINGS

[0024] Figure 1 A three-dimensional schematic view of a single-zipper opening device of a bag making machine is provided for the utility model;

[0025] Figure 2 A structure schematic view of a suction cup of a single-zipper opening device of a bag making machine is provided for the utility model;

[0026] Figure 3A kind of vertical plate of the sectional view of the single-zipper opening device of bag making machine is provided in the utility model.

[0027] Figure 4 A kind of sectional view of the fixed block of single-zipper opening device of bag making machine is provided in the utility model.

[0028] Legend:

[0029] 1, base;2, stand;3, crossbeam;4, vertical plate;5, pusher assembly;51, air cylinder;52, push rod;53, U-shaped frame;54, sliding rod;55, connecting block;56, rotating rod;57, sliding groove;6, opening support assembly;61, horizontal plate;62, suction cup;7, fixed block. Specific implementation

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0031] Reference Figure 1 , Figure 2 And Figure 3 , the utility model provides an embodiment: a kind of single-zipper opening device of bag making machine, including base 1, the top of base 1 is equipped with two stands 2, and the vertical support part of the main frame of device is built up. Two stands 2 are fixedly connected with crossbeam 3 on opposite side, and crossbeam 3 is fixedly connected with vertical plate 4 outside, and crossbeam 3 provides the installation base of horizontal direction for vertical plate 4, so that vertical plate 4 can be stably fixed on crossbeam 3. The outside of vertical plate 4 is provided with pusher assembly 5, and the outside of pusher assembly 5 is provided with opening support assembly 6;Pusher assembly 5 includes air cylinder 51, and the output end of air cylinder 51 is fixedly connected with push rod 52, and push rod 52 can stably and accurately perform telescopic motion under the drive of air cylinder 51.

[0032] The end of push rod 52 away from air cylinder 51 is fixedly connected with U-shaped frame 53, and U-shaped frame 53 is fixedly connected with sliding rod 54 outside away from push rod 52, so that U-shaped frame 53 can stably displace between fixed block 7 and vertical plate 4 under the driving of push rod 52. Vertical plate 4 is fixedly connected with fixed block 7 outside, and two connecting blocks 55 are rotatably connected in fixed block 7 inside by rotating rod 56, and sliding rod 54 is slidably connected in the inside of connecting block 55, to realize the accurate control of connecting block 55, and provide reliable power transmission for the action of opening support assembly 6.

[0033] The sliding groove 57 is formed outside the connecting block 55, the sliding rod 54 is slidably connected outside the sliding groove 57, the push rod 52 is slidably connected inside the vertical plate 4, the U-shaped frame 53 is slidably connected inside the fixed block 7, the opening support assembly 6 is installed outside the fixed block 7 through the connecting block 55, the sliding rod 54 is slid in the sliding groove 57 in the connecting block 55, and the precise control of the connecting block 55 is realized. The cylinder 51 is fixedly connected outside the vertical plate 4 away from the fixed block 7.

[0034] Referring to Figure 3 and Figure 4 The opening support assembly 6 comprises two horizontal plates 61, and the two horizontal plates 61 are fixedly connected outside the connecting block 55. When the pushing assembly 5 works, the sliding of the sliding rod 54 in the sliding groove 57 in the connecting block 55 and the rotation of the connecting block 55 around the rotating rod 56 can accurately control the movement of the horizontal plates 61 in the opening support assembly 6. Two suction cups 62 are fixedly connected to opposite sides of the two horizontal plates 61, respectively. One side of the horizontal plate 61 is provided as an inclined surface. When the horizontal plate 61 is moved to a suitable position by the connecting block 55, the suction cups 62 can accurately suck the two sides of the zipper. Through the subsequent movement of the horizontal plate 61, the zipper is opened to a set width and shape, thereby ensuring the accuracy and consistency of the zipper opening.

[0035] Working principle: when the bag making machine starts to work, the single zipper opening device is arranged behind the longitudinal sealing knife and in front of the transverse sealing knife of the bag making machine, then the cylinder 51 is started, the cylinder 51 pushes the push rod 52 to move, and drives the U-shaped frame 53 to move, and then the sliding rod 54 slides forward in the sliding groove 57, so that the connecting block 55 is relatively close, and the suction cups 62 on the horizontal plate 61 suck the two sides of the zipper, then the cylinder 51 is retracted, the U-shaped frame 53 is moved backward, and the connecting block 55 is gradually opened through the sliding rod 54, so that the horizontal plate 61 opens the zipper to a set width and shape, so as to cooperate with other parts of the bag making machine, and accurately compound the zipper to the bag body being made. Through the horizontal plate 61, the zipper of the bag produced by the bag making machine is kept in an open state, which facilitates the packaging machine to package and improves the packaging operation efficiency.

[0036] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. shall be included in the protection scope of the present application.

Claims

1. A single-zipper opening device for a bag making machine comprising a base (1), characterized in that: The base (1) top is equipped with two columns (2), two the column (2) opposite side fixedly connected with crossbeam (3), the crossbeam (3) outside fixedly connected with the vertical board (4), the vertical board (4) outside is provided with push assembly (5), push assembly (5) outside is provided with the strutting assembly (6); The push assembly (5) includes a gas cylinder (51), the output end of the gas cylinder (51) is fixedly connected with a push rod (52), the push rod (52) is fixedly connected with a U-shaped frame (53) away from the gas cylinder (51), the U-shaped frame (53) is fixedly connected with a sliding rod (54) away from the push rod (52) outside, the vertical board (4) is fixedly connected with a fixed block (7), the fixed block (7) is rotatably connected with two connecting blocks (55) through a rotating rod (56) inside, the sliding rod (54) is slidably connected in the connecting block (55) outside.

2. A single-zipper opening device for a bag making machine according to claim 1, characterized in that: The strutting assembly (6) includes two horizontal plates (61), two the horizontal plate (61) is fixedly connected in the connecting block (55) outside, two the horizontal plate (61) opposite side is fixedly connected with two suction cups (62) respectively.

3. A single zipper opening device for a bag making machine according to claim 1, wherein: The connecting block (55) is provided with a sliding groove (57) outside, and the sliding rod (54) is slidably connected in the sliding groove (57) outside.

4. A single zipper opening device for a bag making machine according to claim 1, wherein: The push rod (52) is slidably connected in the vertical board (4) outside.

5. A single zipper opening device for a bag making machine according to claim 1, wherein: The U-shaped frame (53) is slidably connected in the fixed block (7) outside.

6. A single zipper opening device for a bag making machine according to claim 1, wherein: The strutting assembly (6) is installed on the outside of the fixed block (7) through the connecting block (55).

7. A single zipper opening device for a bag making machine as defined in claim 1, wherein: The gas cylinder (51) is fixedly connected on the outside of the vertical board (4) away from the fixed block (7).

8. A single zipper opening device for a bag making machine according to claim 2, wherein: One side of the horizontal plate (61) is provided as an inclined surface.