Winding device for shopping bag production
By designing a winding device for shopping bag production, the tension is adjusted by sliding the connecting column with a telescopic rod and a rotating arm, the problem of difficulty in adjusting the tension in the existing technology is solved, and the production efficiency and quality of shopping bags are improved.
Patent Information
- Application Number
- CN202421813365.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-29
AI Technical Summary
The existing plastic shopping bag production winding device cannot adjust the tension of the winding shopping bags, resulting in the shopping bags being loose and entangled when the tension is too small, and it is easy to tear and damage when the tension is too large.
A shopping bag production and winding device is designed, including a bracket, connecting column, limiting mechanism, pressing mechanism, winding mechanism and adjustment mechanism. The telescopic rod drives the rotating arm to rotate, and drives the connecting column to slide in the sliding hole, thereby adjusting the tension of the shopping bag.
It effectively avoids tearing or entanglement of shopping bags caused by excessive or too small tension, and improves the production efficiency and quality of shopping bags.
Smart Images

Figure CN222947766U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shopping bag production, in particular to a shopping bag production and rolling device. Background Art
[0002] Shopping bags are bags used for shopping. Currently, the shopping bags available on the market mainly include: plastic shopping bags, non-woven shopping bags, paper shopping bags, cotton and linen shopping bags, etc. Plastic shopping bags are packaging materials made of polyolefin as the main raw material and other substances appropriately added. The polyolefin currently used is mainly polyethylene, commonly known as soft glue. The main products include four categories: low-density polyethylene or high-pressure polyethylene, high-density polyethylene or low-pressure polyethylene, linear low-density polyethylene and metallocene polyethylene. In order to reduce its cost, in recent years, most companies have added about 30% calcium carbonate to make filled plastic shopping bags. This type of plastic shopping bag does not emit toxic gases when burned in a landfill. However, the winding device used in the production of plastics in the prior art is not convenient for loading and unloading the coil drum of the winding shopping bag, which reduces work efficiency.
[0003] A reeling device for producing plastic shopping bags with the announcement number CN215797413U has the following defects during use:
[0004] During use, the above device cannot adjust the tension of the rolled shopping bag. If the tension is too small, the shopping bag is prone to loosening, resulting in entanglement. If the tension is too large, it is easy to tear and cause damage to the shopping bag. Therefore, a shopping bag production and rolling device is urgently needed to solve the above problem. Utility Model Content
[0005] The purpose of the utility model is to provide a shopping bag production and rolling device to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shopping bag production and winding device, comprising a bracket, a plurality of connecting columns are fixedly connected to one side of the outer wall of the bracket, the outer walls of the connecting columns are all sleeved with matching leather covers, a limiting mechanism and a pressing mechanism are installed on the top of the bracket, a winding mechanism and an adjusting mechanism are installed in the middle of the bracket, the connecting columns are used to wrap around shopping bags, and the shopping bags are rolled up by the winding mechanism.
[0007] Preferably, the adjustment mechanism includes a rotating arm, which is rotatably connected to the middle of one side of the outer wall of the bracket, a telescopic rod is rotatably connected to the middle of the outer wall of the rotating arm, the bottom end of the telescopic rod is rotatably connected to one side of the outer wall of the bracket, a sliding hole is provided in the middle of one end of the outer side of the bracket close to the telescopic rod, and the inner side of one end of the rotating arm close to the sliding hole is fixedly connected to a connecting column of the same kind.
[0008] Preferably, the pressing mechanism includes a fixing plate, which is fixedly connected to the middle of the top of the bracket away from the telescopic rod, and cylinders are fixedly connected to both sides of the bottom end of the fixing plate, and the output end of the cylinder passes through the top of the fixing plate and is fixedly connected to a pressing plate.
[0009] Preferably, the limiting mechanism includes a fixing block, which is fixedly connected to the top of the bracket at one end opposite to the cylinder, and the bracket is fixedly connected to the limiting arm through the fixing block, and the limiting arm and the connecting column are located on the same side of the bracket.
[0010] Preferably, the winding mechanism includes a motor, which is fixedly connected to the bracket located in the middle of one end of one side of the telescopic rod, and the motor and the cylinder are located on both sides of the telescopic rod. The output end of the motor passes through the interior of the bracket and is fixedly connected to a fixed column, and the outer wall of the fixed column is sleeved with a matching winding disk.
[0011] Preferably, a plurality of evenly distributed thread grooves are formed at one end of the fixing column away from the motor, and the fixing column is threadably connected to a threaded cover via the thread grooves.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The shopping bag production and reeling device drives the rotating arm to rotate through the telescopic rod, and the rotation of the rotating arm drives the connecting column fixedly connected to the rotating arm to slide inside the sliding hole, thereby adjusting the tension of the wound shopping bag to avoid the shopping bag being torn or entangled due to excessive or insufficient tension. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural diagram of the shopping bag production and rolling device of the utility model;
[0015] Figure 2 This is a structural schematic diagram of the axial side of the shopping bag production and reeling device of the utility model;
[0016] Figure 3 It is a structural schematic diagram of the adjustment mechanism of the utility model;
[0017] Figure 4 It is a structural schematic diagram of the limiting mechanism of the utility model;
[0018] Figure 5 It is a structural schematic diagram of the winding mechanism of the utility model;
[0019] Figure 6 It is a structural schematic diagram of the pressing mechanism of the utility model.
[0020] In the figure: 1. bracket; 2. connecting column; 3. pressing mechanism; 301. fixing plate; 302. cylinder; 303. pressing plate; 4. limiting mechanism; 401. fixing block; 402. limiting arm; 5. winding mechanism; 501. motor; 502. threaded cover; 503. winding disk; 504. fixing column; 6. adjusting mechanism; 601. rotating arm; 602. telescopic rod; 603. sliding hole. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Shopping bags are bags used for shopping. The shopping bags available on the market mainly include: plastic shopping bags, non-woven shopping bags, paper shopping bags, cotton and linen shopping bags, etc. Plastic shopping bags are packaging materials made of polyolefin as the main raw material and other substances appropriately added. The polyolefin currently used is mainly polyethylene, commonly known as soft glue. The main products include four categories: low-density polyethylene or high-pressure polyethylene, high-density polyethylene or low-pressure polyethylene, linear low-density polyethylene and metallocene polyethylene. In order to reduce its cost, most companies have added about 30% calcium carbonate to make filled plastic shopping bags in recent years. This type of plastic shopping bag does not emit toxic gases when burned in a landfill. The present application drives the rotating arm to rotate through the telescopic rod, and the rotating arm drives the connecting column fixedly connected to the rotating arm to slide inside the sliding hole through the rotation of the rotating arm, thereby adjusting the tension of the wound shopping bag to avoid excessive or insufficient tension causing the shopping bag to tear or entangle.
[0023] like Figure 1-Figure 6 As shown, the utility model provides a technical solution: a shopping bag production and winding device, comprising a bracket 1, a plurality of connecting columns 2 are fixedly connected to one side of the outer wall of the bracket 1, the outer walls of the connecting columns 2 are all sleeved with matching leather covers, a limiting mechanism 4 and a pressing mechanism 3 are installed on the top of the bracket 1, a winding mechanism 5 and an adjusting mechanism 6 are installed in the middle of the bracket 1, the connecting columns 2 are used to wrap around the shopping bag, and the shopping bag is rolled up by the winding mechanism 5.
[0024] The adjusting mechanism 6 includes a rotating arm 601, which is rotatably connected to the middle of one side of the outer wall of the bracket 1. A telescopic rod 602 is rotatably connected to the middle of the outer wall of the rotating arm 601. The bottom end of the telescopic rod 602 is rotatably connected to one side of the outer wall of the bracket 1. A sliding hole 603 is provided in the middle of one end of the outer side of the bracket 1 close to the telescopic rod 602. The inner side of one end of the rotating arm 601 close to the sliding hole 603 is fixedly connected to a connecting column 2 of the same type.
[0025] The pressing mechanism 3 includes a fixing plate 301, which is fixedly connected to the middle of the top of the end of the bracket 1 away from the telescopic rod 602, and the two sides of the bottom end of the fixing plate 301 are fixedly connected with the cylinder 302 respectively, and the output end of the cylinder 302 passes through the top of the fixing plate 301 and is fixedly connected with a pressing plate 303. The pressing plate 303 is driven to move by the operation of the cylinder 302, and the shopping bag is fixed by the pressing plate 303 and the fixing plate 301 to avoid deviation during transportation.
[0026] The limiting mechanism 4 includes a fixed block 401, which is fixedly connected to the top of the bracket 1 at one end opposite to the cylinder 302. The bracket 1 is fixedly connected to the limiting arm 402 through the fixed block 401. The limiting arm 402 and the connecting column 2 are located on the same side of the bracket 1. By fixing the fixed block 401 and the limiting arm 402 at the top of the bracket 1, it is convenient to limit the position when installing the winding reel 503.
[0027] The winding mechanism 5 includes a motor 501, which is fixedly connected to the bracket 1 at the middle of one end of the telescopic rod 602. The motor 501 and the cylinder 302 are located on both sides of the telescopic rod 602. The output end of the motor 501 passes through the interior of the bracket 1 and is fixedly connected to a fixed column 504. The outer wall of the fixed column 504 is sleeved with a matching winding disk 503. The winding disk 503 is driven to rotate by the operation of the motor 501, thereby winding the shopping bag.
[0028] A plurality of evenly distributed thread grooves are provided at one end of the fixing column 504 away from the motor 501, and the fixing column 504 is threadedly connected to the threaded cover 502 through the thread groove. By providing a thread groove at one end of the fixing column 504, the fixing column 504 is threadedly connected to the threaded cover 502 through the thread groove, so that the winding reel 503 can be fixed conveniently and disassembly and installation are facilitated.
[0029] It should be noted that the utility model drives the rotating arm 601 to rotate through the telescopic rod 602, and the rotation of the rotating arm 601 drives the connecting column 2 fixedly connected to the rotating arm 601 to slide inside the sliding hole 603, thereby adjusting the tension of the wound shopping bag to avoid the shopping bag being torn or entangled due to excessive or insufficient tension.
[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the attached embodiments and their equivalents.
Claims
1. A shopping bag production and reeling device, comprising a bracket (1), characterized in that: A plurality of connecting columns (2) are fixedly connected to one side of the outer wall of the bracket (1); the outer walls of the connecting columns (2) are all sleeved with matching leather covers; a limiting mechanism (4) and a pressing mechanism (3) are installed on the top of the bracket (1); a winding mechanism (5) and an adjusting mechanism (6) are installed in the middle of the bracket (1); the connecting columns (2) are used to wrap around shopping bags, and the shopping bags are rolled up by the winding mechanism (5).
2. A shopping bag production and reeling device according to claim 1, characterized in that: The adjusting mechanism (6) comprises a rotating arm (601), the rotating arm (601) being rotatably connected to the middle of one side of the outer wall of the bracket (1), a telescopic rod (602) being rotatably connected to the middle of the outer wall of the rotating arm (601), the bottom end of the telescopic rod (602) being rotatably connected to one side of the outer wall of the bracket (1), a sliding hole (603) being provided in the middle of one end of the outer side of the bracket (1) close to the telescopic rod (602), and a connecting column (2) of the same type being fixedly connected to the inner side of one end of the rotating arm (601) close to the sliding hole (603).
3. A shopping bag production and reeling device according to claim 2, characterized in that: The pressing mechanism (3) comprises a fixing plate (301), wherein the fixing plate (301) is fixedly connected to the middle of the top of one end of the bracket (1) away from the telescopic rod (602), and cylinders (302) are fixedly connected to both sides of one end of the bottom of the fixing plate (301), and the output end of the cylinder (302) passes through the top of the fixing plate (301) and is fixedly connected to a pressing plate (303).
4. A shopping bag production and reeling device according to claim 3, characterized in that: The limiting mechanism (4) comprises a fixing block (401), wherein the fixing block (401) is fixedly connected to one end of the top of the bracket (1) opposite to the cylinder (302), and the bracket (1) is fixedly connected to a limiting arm (402) via the fixing block (401), and the limiting arm (402) and the connecting column (2) are located on the same side of the bracket (1).
5. A shopping bag production and reeling device according to claim 4, characterized in that: The winding mechanism (5) comprises a motor (501), the motor (501) being fixedly connected to the bracket (1) and located at the middle of one end of one side of the telescopic rod (602), the motor (501) and the cylinder (302) being located on both sides of the telescopic rod (602), the output end of the motor (501) passing through the interior of the bracket (1) and being fixedly connected to a fixing column (504), and the outer wall of the fixing column (504) being sleeved with a matching winding disc (503).
6. A shopping bag production and reeling device according to claim 5, characterized in that: A plurality of evenly distributed thread grooves are formed at one end of the fixing column (504) away from the motor (501), and the fixing column (504) is threadably connected to a threaded cover (502) via the thread grooves.
Citation Information
Patent Citations
Winding device for plastic shopping bag production
CN215797413U