Unwinding device of bag making machine

By introducing guide components and limiting components into the unwinding device of the bag making machine, the problem of inconvenient tension adjustment of coil materials in the prior art is solved, precise adjustment of tension force and flatness of coil materials are achieved, and the quality of packaging bags is improved.

CN222860745UActive Publication Date: 2025-05-13JIAXING HAOCAI PACKAGING CO LTD
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Patent Information

Application Number
CN202421918347.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-05-13
Estimated Expiration
2034-08-09

AI Technical Summary

Technical Problem

The existing unwinding device for plastic bag production does not have a tensioning adjustment device for the roll material, which makes it inconvenient to operate when the roll material needs to be tensioned and adjusted.

Method used

A bag maker unwinding device is designed, including a guide assembly and a limit assembly. The guide assembly adjusts the coil material through the adjustment rod and the guide roller, and the limit assembly prevents wrinkles from appearing on the surface of the coil material through the limit frame and limit roller.

Benefits of technology

Accurate adjustment of the tension force of the coil material is achieved, which saves adjustment time, improves the tension accuracy of the coil material, increases the quality of the finished packaging bag, and prevents problems on the surface of the coil material through the limit function.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an unwinding device of a bag making machine, which comprises a bag making machine body, and further comprises a driving assembly, a supporting assembly, a rotary assembly, a limiting assembly and a guide assembly, the unwinding device is provided with the guide assembly, an adjusting rod can be manually rotated after a coiled material is unwound, so that the position of a second guide roller is adjusted, and the position of the second guide roller is adjusted. According to the tension adjusting device, the tension of the roll material is adjusted, the adjusting time is saved, the tension precision of the roll material is improved, the quality of a finished packaging bag is improved, the limiting frame and the limiting rolling wheel are arranged to abut against the surface of the roll material, wrinkles on the surface of the roll material are prevented, and the subsequent preparation precision is guaranteed; and the driving assembly is further arranged to drive the supporting frame to move so as to drive the coil stock to move, when the coil stock needs to be replaced, the driving air cylinder drives the supporting frame to descend, the coil stock is more convenient to replace, and the production efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of packaging bag production, in particular to an unwinding device of a bag making machine. Background Art

[0002] Patent document CN212049671U discloses a reeling device for easy loading of plastic bags, comprising a bag making machine body, four pads fixedly mounted on the bottom of the bag making machine body, two loading seats fixedly mounted on the right side of the bag making machine body, movable grooves are provided on the opposite sides of the two loading seats, limiting openings extending to the inside of the movable grooves are provided on the opposite sides of the two loading seats, and the inner top walls of the two movable grooves are provided with a slot located inside the loading seat, and movable seats are movably mounted inside the two movable grooves. The reeling device for easy loading of plastic bags is installed by installing a loading seat through the bag making machine body, and a movable groove is provided on the loading seat, so that the movable seat can be limited, and the material rod and the roll body can be limited by providing a limiting opening on the loading seat, installing a clamping seat on the movable seat, and providing a circular groove on the clamping seat.

[0003] Yet this unwinding device is not provided with the tensioning adjusting device to the coil, and it is too inconvenient when the coil needs to be tensioned and adjusted. Therefore, we are necessary to improve such a structure to overcome the above-mentioned defect. Utility Model Content

[0004] The purpose of the utility model is to provide a reeling device for a bag making machine to solve the problems raised in the above background technology.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A reeling device for a bag making machine comprises a bag making machine body and also comprises:

[0007] A driving assembly, which is arranged in the bag making machine body and has a driving end;

[0008] A support assembly, which is arranged in the bag making machine body, and one end of the support assembly is connected to the driving assembly;

[0009] A swivel assembly, the swivel assembly is arranged in the support assembly, and an assembly space is arranged in the swivel assembly;

[0010] A limiting component is arranged in the bag making machine body, and the limiting component limits the position of the coil;

[0011] A guide assembly is arranged in the bag making machine body and guides the coil.

[0012] The utility model is further configured that the driving assembly comprises:

[0013] A pair of driving cylinders are provided, and the driving cylinders are symmetrically arranged in the bag making machine body respectively. A driving end is arranged at one end of the driving cylinder, and the driving end is arranged downward, and a connecting space is arranged on the surface of the driving end.

[0014] The utility model is further configured that the support assembly includes:

[0015] A support frame, one end of which is movably connected to the bag making machine body, and the other end of which is connected to the driving end of the driving cylinder. A clamping portion is provided at one end of the support frame, and the shape of the clamping portion is C-shaped, and a connecting space is provided in the clamping portion.

[0016] The utility model is further configured that the rotary assembly comprises:

[0017] A connecting roller is provided with connecting parts at both ends of the connecting roller, the connecting parts are clamped in the clamping parts of the support frame, a connecting space is provided on the surface of the connecting roller, and a tensioning part and an air injection hole are provided in the connecting roller.

[0018] The utility model is further configured that the limit assembly includes:

[0019] A limiting frame, one end of which is connected to the bag making machine body, and the other end of which is provided with a connecting column, wherein a connecting space is provided;

[0020] The limiting roller is arranged in the connecting column of the limiting frame, and the coil is limited by the limiting roller.

[0021] The utility model is further configured that the guide assembly includes:

[0022] An adjusting rod, which is arranged in the bag making machine body and has a connecting space;

[0023] A first bevel gear, the first bevel gear being arranged in the adjusting rod;

[0024] A lead screw, which is movably connected to the bag making machine body and has a thread on its surface;

[0025] A second bevel gear is arranged in the lead screw, and the second bevel gear is provided with teeth matching the first bevel gear, and the first bevel gear drives the second bevel gear to rotate;

[0026] A first guide roller, which is arranged in the bag making machine body and guides the coil;

[0027] A second guide roller, both ends of which are connected to the lead screw, a threaded hole adapted to the lead screw is provided in the second guide roller, a connection space is provided on the surface of the second guide roller, and the coil is guided by the second guide roller;

[0028] The third guide roller is arranged in the bag making machine body, and the coil is guided by the third guide roller.

[0029] The advantages of the utility model are:

[0030] 1. The utility model provides a guide assembly. After the coil is unloaded, the adjusting rod can be manually rotated to adjust the position of the second guide roller, thereby adjusting the tension of the coil, saving adjustment time, while increasing the tension accuracy of the coil and the quality of the finished packaging bag. At the same time, a limit frame and a limit roller are provided to abut against the surface of the coil to prevent wrinkles on the surface of the coil, thereby ensuring the accuracy of subsequent preparation.

[0031] 2. The utility model drives the support frame to move by setting a driving component, thereby driving the coil to move. When the coil needs to be replaced, the driving cylinder drives the support frame to descend, making the replacement of the coil more convenient and increasing production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a front view of the unwinding device of the bag making machine proposed by the utility model.

[0033] Figure 2 It is a top view of the unwinding device of the bag making machine proposed by the utility model.

[0034] Figure 3 It is a left side view of the unwinding device of the bag making machine proposed by the utility model.

[0035] Figure 4 The utility model is a schematic diagram of the internal structure of the unwinding device of the bag making machine.

[0036] Figure 5 It is a three-dimensional diagram of the unwinding device of the bag making machine proposed by the utility model.

[0037] Numeral symbols: bag making machine body 100, driving cylinder 110, supporting frame 210, clamping part 211, connecting roller 310, connecting part 311, tensioning part 312, air injection hole 313, limiting frame 410, connecting column 411, limiting roller 420, adjusting rod 510, first bevel gear 520, lead screw 530, second bevel gear 540, first guide roller 550, second guide roller 560, third guide roller 570 DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0039] like Figure 1-5 As shown, the utility model proposes a reeling device for a bag making machine, comprising a bag making machine body 100, and also comprising a driving assembly, a supporting assembly, a rotating assembly, a limiting assembly and a guiding assembly, wherein the driving assembly is arranged in the bag making machine body, and a driving end is arranged in the driving assembly, the supporting assembly is arranged in the bag making machine body, and one end of the supporting assembly is connected to the driving assembly, the rotating assembly is arranged in the supporting assembly, and an assembly space is arranged in the rotating assembly, the limiting assembly is arranged in the bag making machine body, and the coil is limited by the limiting assembly, and the guiding assembly is arranged in the bag making machine body, and the coil is guided by the guiding assembly.

[0040] In an embodiment, the driving assembly includes a driving cylinder 110, which is provided with a pair of driving cylinders, which are symmetrically arranged in the bag making machine body, and a driving end is provided at one end of the driving cylinder, which is arranged downward, and a connecting space is provided on the surface of the driving end.

[0041] In an embodiment, the support assembly includes a support frame 210, one end of which is movably connected to the bag making machine body, and the other end of the support frame is connected to the driving end of the driving cylinder. A clamping portion 211 is provided at one end of the support frame, and the shape of the clamping portion is C-shaped, and a connecting space is provided in the clamping portion.

[0042] In an embodiment, the rotating assembly includes a connecting roller 310, which has connecting parts 311 at both ends. The connecting parts are clamped in the clamping parts of the support frame, a connecting space is provided on the surface of the connecting roller, and a tensioning part 312 and an air injection hole 313 are provided in the connecting roller.

[0043] In an embodiment, the limiting assembly includes a limiting frame 410 and a limiting roller 420. One end of the limiting frame is connected to the bag making machine body, and a connecting column 411 is provided at the other end of the limiting frame. A connecting space is provided in the connecting column. The limiting roller is provided in the connecting column of the limiting frame, and the coil is limited by the limiting roller.

[0044] In the embodiment, the guide assembly includes an adjusting rod 510, a first bevel gear 520, a lead screw 530, a second bevel gear 540, a first guide roller 550, a second guide roller 560 and a third guide roller 570. The adjusting rod is arranged in the bag making machine body, and a connecting space is arranged in the adjusting rod. The first bevel gear is arranged in the adjusting rod. The lead screw is movably connected to the bag making machine body. The surface of the lead screw is provided with a thread. The second bevel gear is arranged in the lead screw. The second bevel gear is provided with teeth matching the first bevel gear. The first bevel gear drives the second bevel gear to rotate. The guide roller is arranged in the bag making machine body, and the coil is guided by the guide roller. Both ends of the second guide roller are connected to the lead screw. The second guide roller is provided with a threaded hole matching the lead screw. The surface of the second guide roller is provided with a connecting space, and the coil is guided by the second guide roller. The third guide roller is arranged in the bag making machine body, and the coil is guided by the third guide roller.

[0045] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", "right" and the like indicating orientation or positional relationship appear, it should be understood that the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. A reeling device for a bag making machine, comprising a bag making machine body, characterized in that: Also includes: A driving assembly, which is arranged in the bag making machine body and has a driving end; A support assembly, which is arranged in the bag making machine body, and one end of the support assembly is connected to the driving assembly; A swivel assembly, the swivel assembly is arranged in the support assembly, and an assembly space is arranged in the swivel assembly; A limiting component is arranged in the bag making machine body, and the limiting component limits the position of the coil; A guide assembly is arranged in the bag making machine body and guides the coil.

2. The unwinding device of a bag making machine according to claim 1, characterized in that: The drive components include: A pair of driving cylinders are provided, and the driving cylinders are symmetrically arranged in the bag making machine body respectively. A driving end is arranged at one end of the driving cylinder, and the driving end is arranged downward, and a connecting space is arranged on the surface of the driving end.

3. The unwinding device of a bag making machine according to claim 2, characterized in that: The support components include: A support frame, one end of which is movably connected to the bag making machine body, and the other end of which is connected to the driving end of the driving cylinder. A clamping portion is provided at one end of the support frame, and the shape of the clamping portion is C-shaped, and a connecting space is provided in the clamping portion.

4. The unwinding device of a bag making machine according to claim 3, characterized in that: The slewing assembly includes: A connecting roller is provided with connecting parts at both ends of the connecting roller, the connecting parts are clamped in the clamping parts of the support frame, a connecting space is provided on the surface of the connecting roller, and a tensioning part and an air injection hole are provided in the connecting roller.

5. The unwinding device of a bag making machine according to claim 1, characterized in that: The limiter components include: A limiting frame, one end of which is connected to the bag making machine body, and the other end of which is provided with a connecting column, wherein a connecting space is provided; The limiting roller is arranged in the connecting column of the limiting frame, and the coil is limited by the limiting roller.

6. The unwinding device of a bag making machine according to claim 1, characterized in that: The guide components include: An adjusting rod, which is arranged in the bag making machine body and has a connecting space; A first bevel gear, the first bevel gear being arranged in the adjusting rod; A lead screw, which is movably connected to the bag making machine body and has a thread on its surface; A second bevel gear is arranged in the lead screw, and the second bevel gear is provided with teeth matching the first bevel gear, and the first bevel gear drives the second bevel gear to rotate; A first guide roller, which is arranged in the bag making machine body and guides the coil; A second guide roller, both ends of which are connected to the lead screw, a threaded hole adapted to the lead screw is provided in the second guide roller, a connection space is provided on the surface of the second guide roller, and the coil is guided by the second guide roller; The third guide roller is arranged in the bag making machine body, and the coil is guided by the third guide roller.

Citation Information

Patent Citations

  • Unwinding device convenient for feeding for plastic bag production

    CN212049671U