Plastic bag tensioning roller shutter device
By introducing dust removal boxes and cleaning rollers into the plastic bag tensioning roller blind device, the problem of dust on the plastic film is solved, and the cylinder drives the adjustment roller to adjust the tightness of the plastic film, achieving high-quality plastic film rolling and packaging.
Patent Information
- Application Number
- CN202421926182.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-09
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-09
AI Technical Summary
The existing plastic bag growth roller shutter device lacks dust removal devices, which leads to easy adhesion of dust on the plastic film, affecting the packaging quality, and when the plastic film is not straight and folded during the winding process, it is easy to cause problems such as wrinkles.
A plastic bag tensioning roller blind device is designed, which includes a dust removal box and a cleaning roller. The plastic film is introduced through the groove, and the starting motor drives the cleaning roller to clean the plastic film, and is connected to the dust removal centrifugal fan through a conduit to extract dust to remove dust. At the same time, the cylinder drive adjustment roller adjusts the tightness of the plastic film to ensure smooth cleaning and winding.
Effectively remove dust from plastic film, improve the winding quality of plastic film, avoid wrinkles caused by unstitching, and ensure the cleanliness and quality of the packaging.
Smart Images

Figure CN222970420U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of plastic bag production, in particular to a plastic bag tensioning and rolling device. Background Art
[0002] Plastic bags are made of films of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins for packaging. The share of plastic packaging and plastic packaging products in the market is increasing, especially composite plastic flexible packaging, which has been widely used in the fields of food, medicine, chemical industry, etc. Among them, food packaging accounts for the largest proportion, such as beverage packaging, frozen food packaging, cooked food packaging, fast food packaging, etc. These products have brought great convenience to people's lives.
[0003] This application is an improvement on the existing technology. In the existing technology, there is no dust removal device for plastic films on the existing plastic bag long feeding and rolling device. Dust is easily adhered to the plastic films, which affects the subsequent packaging of the plastic films. Secondly, when the plastic films are not straightened during the winding process, wrinkles and other situations are likely to occur. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the disadvantages existing in the prior art, and a plastic bag tensioning and rolling device is proposed.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A plastic bag tensioning and rolling device includes a fixed seat. A pair of symmetrically distributed first guide rollers are installed on the top of the fixed seat. A fixed frame fixedly connected to the fixed seat is arranged between the two first guide rollers. A cylinder is fixedly connected to the top of the fixed frame. The driving end of the cylinder is fixedly connected to a mounting frame. An adjusting roller is rotatably connected inside the mounting frame. A pair of symmetrically distributed second guide rollers are installed on both sides of the fixed seat. A dust removal box is arranged on one side of the fixed seat. A connecting block is fixedly connected to the side of the dust removal box close to the fixed seat, and the connecting block is fixedly connected to the fixed seat. A pair of symmetrically distributed cleaning rollers are rotatably connected inside the dust removal box. A plurality of equally spaced connecting pipes are fixedly connected to both sides of the bottom of the dust removal box. One end of the connecting pipe extending out of the bottom of the dust removal box is fixedly connected to a conveying pipe. A conduit is fixedly connected between the two conveying pipes.
[0007] As a further scheme of the utility model: A fixed frame is fixedly connected to the side of the fixed seat away from the dust removal box. A winding drum is rotatably connected to the inner wall of the fixed frame. A first motor is fixedly connected to the outer wall of one side of the fixed frame, and the output shaft of the first motor is fixedly connected to the winding drum.
[0008] As a further solution of the present utility model: through grooves are formed on both sides of the dust removal box, and the through grooves are communicated with the inside of the dust removal box.
[0009] As a further solution of the present utility model: a transmission gear is fixedly sleeved on the outer wall of one end of the cleaning roller extending out of the dust removal box, and the two transmission gears are meshed with each other.
[0010] As a further solution of the present utility model: a second motor is fixedly connected to the front side of the dust removal box, and the output shaft of the second motor is fixedly connected to the cleaning roller.
[0011] The present utility model has the following beneficial effects:
[0012] 1. In the present utility model, during winding, the plastic film enters the dust removal box through the through groove. The second motor is started, and the output shaft of the second motor rotates to drive the cleaning roller to rotate. Through the transmission of the two transmission gears, the two cleaning rollers rotate towards each other, thereby cleaning both sides of the plastic film. The dust removal centrifugal fan is connected through a conduit, and the dust removal centrifugal fan extracts the dust in the dust removal box through the conduit, the conveying pipe and the connecting pipe, which is convenient for dust removal and improves the winding quality of the plastic film;
[0013] 2. In the present utility model, during the process of the output shaft of the fixed frame rotating to drive the winding drum to wind the plastic film, the air cylinder is started, and the driving end of the air cylinder drives the mounting frame to move, thereby driving the adjusting roller to move, so as to adjust the tension of the plastic film. On the one hand, it is convenient for the winding drum to wind, and on the other hand, it is convenient for the plastic film to be straightened, thereby facilitating the dust removal of the plastic film by the cleaning roller. Description of the drawings
[0014] Figure 1 is a schematic structural diagram of a plastic bag tensioning rolling device proposed by the present utility model;
[0015] Figure 2 is a top view of the dust removal box of a plastic bag tensioning rolling device proposed by the present utility model;
[0016] Figure 3 is a side view of the dust removal box of a plastic bag tensioning rolling device proposed by the present utility model;
[0017] Figure 4 In the present utility model Figure 1 is an enlarged structural schematic diagram of part A.
[0018] Legend description:
[0019] Fixed seat 1, first guide roller 2, second guide roller 3, fixed frame 4, cylinder 5, mounting frame 6, adjusting roller 7, fixed frame 8, winding drum 9, first motor 10, connecting pipe 11, conveying pipe 12, conduit 13, dust removal box 14, connecting block 15, through slot 16, cleaning roller 17, transmission gear 18, second motor 19. Detailed implementation manner
[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0021] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device 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 to the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it 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 directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
[0022] Refer to Figures 1-4, a plastic bag tensioning rolling curtain device provided by the utility model includes a fixed seat 1. A pair of symmetrically distributed first guide rollers 2 are installed on the top of the fixed seat 1. A fixed frame 4 fixedly connected to the fixed seat 1 is provided between the two first guide rollers 2. A cylinder 5 is fixedly connected to the top of the fixed frame 4. A driving end of the cylinder 5 is fixedly connected to a mounting frame 6. An adjusting roller 7 is rotatably connected inside the mounting frame 6. A pair of symmetrically distributed second guide rollers 3 are installed on both sides of the fixed seat 1. A dust removal box 14 is provided on one side of the fixed seat 1. A connecting block 15 fixedly connected to the dust removal box 14 is fixedly connected to the fixed seat 1 near the fixed seat 1. A pair of symmetrically distributed cleaning rollers 17 are rotatably connected inside the dust removal box 14. A plurality of equally spaced connecting pipes 11 are fixedly connected to both sides of the bottom of the dust removal box 14. One end of the connecting pipe 11 extending out of the bottom of the dust removal box 14 is fixedly connected to a delivery pipe 12. A conduit 13 is fixedly connected between the two delivery pipes 12.
[0023] A fixed frame 8 is fixedly connected to the side of the fixed seat 1 away from the dust removal box 14. A winding drum 9 is rotatably connected to the inner wall of the fixed frame 8. A first motor 10 is fixedly connected to an outer wall of one side of the fixed frame 8, and an output shaft of the first motor 10 is fixedly connected to the winding drum 9.
[0024] Through grooves 16 are formed on both sides of the dust removal box 14, and the through grooves 16 are communicated with the inside of the dust removal box 14.
[0025] A transmission gear 18 is fixedly sleeved on an outer wall of one end of the cleaning roller 17 extending out of the dust removal box 14. The two transmission gears 18 are meshed with each other.
[0026] A second motor 19 is fixedly connected to the front side of the dust removal box 14, and an output shaft of the second motor 19 is fixedly connected to the cleaning roller 17.
[0027] Working principle:
[0028] In this application, during winding, the plastic film enters the dust removal box 14 through the through groove 16. The second motor 19 is started. The output shaft of the second motor 19 rotates to drive the cleaning roller 17 to rotate. Through the transmission of the two transmission gears 18, the two cleaning rollers 17 rotate towards each other, thereby cleaning both sides of the plastic film. The dust removal centrifugal fan is connected through the conduit 13. The dust removal centrifugal fan extracts the dust in the dust removal box 14 through the conduit 13, the delivery pipe 12 and the connecting pipe 11, which is convenient for dust removal and improves the winding quality of the plastic film;
[0029] Among them, the centrifugal fan is not shown in the figure;
[0030] In this application, during the process of the output shaft of the fixed frame 8 rotating to drive the winding drum 9 to rotate and wind the plastic film, the air cylinder 5 is started. The driving end of the air cylinder 5 drives the mounting frame 6 to move, thereby driving the adjusting roller 7 to move, so that the adjusting roller 7 adjusts the tension of the plastic film. On the one hand, it facilitates the winding of the winding drum 9, and on the other hand, it facilitates the straightening of the plastic film, thereby facilitating the dust removal of the plastic film by the cleaning roller 17.
[0031] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A plastic bag tensioning roller blind device, comprising a fixing seat (1), characterized in that: The top of the fixed seat (1) is provided with symmetrically distributed first guide rollers (2); a fixed frame (4) fixedly connected to the fixed seat (1) is provided between the two first guide rollers (2); a cylinder (5) is fixedly connected to the top of the fixed frame (4); a mounting frame (6) is fixedly connected to the driving end of the cylinder (5); an adjusting roller (7) is rotatably connected inside the mounting frame (6); symmetrically distributed second guide rollers (3) are installed on both sides of the fixed seat (1); a dust removal box (14) is provided on one side of the fixed seat (1); A connecting block (15) is fixedly connected to one side of the dust removal box (14) close to the fixed seat (1), and the connecting block (15) is fixedly connected to the fixed seat (1); symmetrically distributed cleaning rollers (17) are rotatably connected inside the dust removal box (14); a plurality of equidistantly distributed connecting pipes (11) are fixedly connected to both sides of the bottom of the dust removal box (14); one end of the connecting pipe (11) extending out of the bottom of the dust removal box (14) is fixedly connected to a conveying pipe (12); and a conduit (13) is fixedly connected between the two conveying pipes (12).
2. A plastic bag tensioning roller blind device according to claim 1, characterized in that: A fixed frame (8) is fixedly connected to a side of the fixed seat (1) away from the dust removal box (14); a winding drum (9) is rotatably connected to the inner wall of the fixed frame (8); a first motor (10) is fixedly connected to an outer wall of one side of the fixed frame (8); and an output shaft of the first motor (10) is fixedly connected to the winding drum (9).
3. A plastic bag tensioning roller blind device according to claim 1, characterized in that: Through grooves (16) are provided on both sides of the dust removal box (14), and the through grooves (16) are in communication with the interior of the dust removal box (14).
4. A plastic bag tensioning roller blind device according to claim 1, characterized in that: The outer wall of one end of the cleaning roller (17) extending out of the dust removal box (14) is fixedly sleeved with a transmission gear (18), and the two transmission gears (18) are meshed with each other.
5. The plastic bag tensioning roller blind device according to claim 1, characterized in that: The front side of the dust removal box (14) is fixedly connected to the second motor (19), and the output shaft of the second motor (19) is fixedly connected to the cleaning roller (17).