Plastic film winding machine
By designing cutting components in the plastic film winder and rotating the handwheel to control tension, the problems of manual cutting safety hazards and tension discomfort are solved, and efficient and safe film roll treatment is achieved, suitable for various types of plastic films.
Patent Information
- Application Number
- CN202420748233.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-04-11
AI Technical Summary
Existing plastic film winders have safety hazards when manually cutting, and excessive tension or too small will affect product quality, resulting in loosening, wrinkling or excessive stretching of the film coil.
A plastic film winder is designed including a cutting assembly, a rotating handwheel and a replaceable winding roller. The plastic film is quickly cut through the cutting assembly, and the handwheel is rotating the handwheel to control tension, ensuring that the film roll is tight and uniform, and can be replaced with different specifications. A rolling roller made of material to suit films of different sizes and thicknesses.
It improves the safety and efficiency of winding, avoids the problems of loosening, wrinkling or excessive stretching of the film roll, and is suitable for different types of plastic films.
Smart Images
Figure CN222361701U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of plastic film production, in particular to a plastic film winding machine. Background Art
[0002] Plastic film is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, used for packaging and as a coating layer; plastic packaging and plastic packaging products occupy an increasingly large share in the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical industry and other fields. In order to facilitate transportation, the produced plastic film needs to be rolled up.
[0003] The existing plastic film winder may cause safety hazards such as cutter scratches when manually cutting the plastic film; and when the tension is too large, the plastic film may be stretched and deformed, affecting product quality; and when the tension is too small, the film roll may be loosened, increasing the friction during the winding process, which may cause the plastic film to be loose, wrinkled or over-stretched during winding. Therefore, a plastic film winder is proposed to address the above problems. Summary of the invention
[0004] In this embodiment, a plastic film winder is provided to solve the safety hazards such as tool scratches that may occur when the plastic film winder in the prior art manually cuts the plastic film; and when the tension is too large, the plastic film may be stretched and deformed, affecting the product quality; and when the tension is too small, the film roll may become loose, increasing the friction during the winding process, which may cause the plastic film to become loose, wrinkled or over-stretched when rolled.
[0005] According to one aspect of the present application, a plastic film winder is provided, including a workbench and a first turntable, a fixed frame is fixedly installed on the top of the workbench, a cutting assembly is arranged inside the fixed frame, the cutting assembly includes a cutting knife, a connecting rod, a movable plate and a spring, a connecting rod is slidably connected inside the fixed frame, a pressing plate is fixedly installed on the top of the connecting rod, a movable plate is fixedly installed on the bottom end of the connecting rod, a cutting knife is fixedly installed on the bottom end of the movable plate, the outer surface of the connecting rod is sleeved with a spring, and the two ends of the spring are respectively fixedly connected to the movable plate and the fixed frame.
[0006] Furthermore, a cutting seat is fixedly installed inside the fixing frame, and a cutting groove is arranged at the top of the cutting seat.
[0007] Furthermore, a mounting frame is fixedly mounted on the top of the workbench, a screw rod is connected to the internal thread of the mounting frame, a first hand wheel is fixedly mounted on the top of the screw rod, and the bottom end of the screw rod is rotatably connected to the connecting frame via a bearing.
[0008] Furthermore, a second rotating shaft is rotatably connected to the connecting frame, and a second guide roller is fixedly mounted on the second rotating shaft.
[0009] Furthermore, two limit blocks are fixedly mounted on the connecting frame, two limit slots are provided on the mounting frame, and the two limit blocks are slidably connected to the two limit slots respectively.
[0010] Furthermore, the interior of the mounting frame is rotatably connected to a first rotating shaft via a bearing, and a first guide roller is fixedly mounted on the first rotating shaft.
[0011] Furthermore, a movable groove is provided at the top of the workbench, and the inner cavity of the movable groove is rotatably connected to a screw rod through a bearing, one end of the screw rod extends to the outer end of the movable groove and is fixedly connected to a second hand wheel, the outer surface of the screw rod is threadedly connected to a movable block, a first mounting plate is fixedly installed on the top of the movable block, and two sliding rods are fixedly installed in the inner cavity of the movable groove, and both of the sliding rods are slidably connected to the movable block.
[0012] Furthermore, a second mounting plate is fixedly mounted on the top of the workbench, a motor is fixedly mounted on one side of the second mounting plate, and an output shaft of the motor passes through the second mounting plate and is fixedly connected to a second turntable.
[0013] Furthermore, one side of the first mounting plate is rotatably connected to a rotating rod via a bearing, and one end of the rotating rod is fixedly mounted with a first rotating disk.
[0014] Furthermore, a plurality of positioning grooves are provided inside the first turntable and the second turntable, a winding roller is provided between the first turntable and the second turntable, a plurality of positioning blocks are fixedly installed on both sides of the winding roller, and the plurality of positioning blocks are respectively plugged into the plurality of positioning grooves.
[0015] Through the above-mentioned embodiments of the present application, by setting up a cutting component and pushing the pressing plate, the plastic film can be cut quickly and accurately, avoiding safety hazards such as tool scratches that may occur during manual cutting, thereby improving the safety of winding; by setting up to rotate the first hand wheel, the connecting frame drives the first guide roller to move up and down, so as to control the tension of the plastic film during the winding process, ensure that the plastic film is tightly and evenly wound on the winding roller, and avoid problems such as loosening, wrinkling or excessive stretching of the plastic film, thereby improving the winding efficiency; by rotating the second hand wheel, the four positioning blocks are all disengaged from the positioning grooves. According to different winding requirements, winding rollers of different specifications or materials can be replaced to facilitate the winding of plastic films of different sizes, thicknesses or types. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0017] Figure 1 This is a schematic diagram of a three-dimensional structure of an embodiment of the present application;
[0018] Figure 2 This is a front view structural schematic diagram of an embodiment of the present application;
[0019] Figure 3 This is a schematic diagram of a partial side view of an embodiment of the present application;
[0020] Figure 4 This is a schematic diagram of the internal structure of a mounting frame according to an embodiment of the present application.
[0021] In the figure: 1. workbench; 2. first rotating shaft; 3. first guide roller; 4. limiting groove; 5. second guide roller; 6. second rotating shaft; 7. connecting frame; 8. mounting frame; 9. screw; 10. first hand wheel; 11. movable plate; 12. spring; 13. connecting rod; 14. pressing plate; 15. fixing frame; 16. cutting knife; 17. cutting groove; 18. cutting seat; 19. movable groove; 20. screw; 21. sliding rod; 22. movable block; 23. first mounting plate; 24. winding tube; 25. first turntable; 26. second mounting plate; 27. motor; 28. second turntable; 29. positioning groove; 30. positioning block; 31. rotating rod; 32. second hand wheel; 33. limiting block. DETAILED DESCRIPTION
[0022] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.
[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0024] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0025] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.
[0026] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; 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 an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0028] See also Figure 1-4As shown, the plastic film winder includes a workbench 1 and a first turntable 25, a fixed frame 15 is fixedly installed on the top of the workbench 1, a cutting assembly is arranged inside the fixed frame 15, and the cutting assembly includes a cutting knife 16, a connecting rod 13, a movable plate 11 and a spring 12, a connecting rod 13 is slidably connected inside the fixed frame 15, a pressing plate 14 is fixedly installed on the top of the connecting rod 13, a movable plate 11 is fixedly installed on the bottom end of the connecting rod 13, a cutting knife 16 is fixedly installed on the bottom end of the movable plate 11, and the outer surface of the connecting rod 13 is sleeved with a spring 12, and the two ends of the spring 12 are respectively fixedly connected to the movable plate 11 and the fixed frame 15.
[0029] A cutting seat 18 is fixedly installed inside the fixing frame 15 , and a cutting groove 17 is arranged at the top of the cutting seat 18 .
[0030] A mounting frame 8 is fixedly mounted on the top of the workbench 1, a screw rod 9 is internally threadedly connected to the mounting frame 8, a first hand wheel 10 is fixedly mounted on the top of the screw rod 9, and a connecting frame 7 is rotatably connected to the bottom end of the screw rod 9 via a bearing.
[0031] The connecting frame 7 is rotatably connected to a second rotating shaft 6 , and a second guide roller 5 is fixedly mounted on the second rotating shaft 6 .
[0032] Two limit blocks 33 are fixedly mounted on the connecting frame 7 , and two limit slots 4 are provided on the mounting frame 8 . The two limit blocks 33 are slidably connected to the two limit slots 4 , respectively.
[0033] The interior of the mounting frame 8 is rotatably connected to a first rotating shaft 2 via a bearing, and a first guide roller 3 is fixedly mounted on the first rotating shaft 2 .
[0034] A movable groove 19 is provided at the top of the workbench 1, and the inner cavity of the movable groove 19 is rotatably connected to a screw rod 20 through a bearing, one end of the screw rod 20 extends to the outer end of the movable groove 19 and is fixedly connected to a second hand wheel 32, the outer surface of the screw rod 20 is threadedly connected to a movable block 22, and a first mounting plate 23 is fixedly installed on the top of the movable block 22, and two sliding rods 21 are fixedly installed in the inner cavity of the movable groove 19, and the two sliding rods 21 are slidably connected to the movable block 22.
[0035] A second mounting plate 26 is fixedly mounted on the top of the workbench 1 , a motor 27 is fixedly mounted on one side of the second mounting plate 26 , and an output shaft of the motor 27 passes through the second mounting plate 26 and is fixedly connected to a second turntable 28 .
[0036] A rotating rod 31 is rotatably connected to one side of the first mounting plate 23 via a bearing, and a first rotating disk 25 is fixedly mounted on one end of the rotating rod 31 .
[0037] A plurality of positioning grooves 29 are provided inside the first turntable 25 and the second turntable 28 , a winding roller 24 is provided between the first turntable 25 and the second turntable 28 , a plurality of positioning blocks 30 are fixedly installed on both sides of the winding roller 24 , and the plurality of positioning blocks 30 are respectively plugged into the plurality of positioning grooves 29 .
[0038] When the present application is in use, the electrical components appearing in the present application are all externally connected to the power supply and the control switch, and one end of the plastic film is passed through the mounting frame 8 and the fixing frame 15 in sequence, and then connected to the winding roller 24; the first hand wheel 10 is rotated, and the first hand wheel 10 rotates to drive the screw rod 9 to rotate. With the cooperation of the limit groove 4 and the limit block 33, the screw rod 9 rotates to drive the connecting frame 7 to move up and down, and the connecting frame 7 drives the first guide roller 5 to move up and down to control the tension of the plastic film during the winding process, ensuring that the plastic film is tightly and evenly wound on the winding roller 24, avoiding problems such as loosening, wrinkling or excessive stretching of the plastic film, thereby improving the winding efficiency; the second hand wheel 32 is rotated, and the second hand wheel 32 rotates to drive the screw rod 20 to rotate. With the cooperation of the two sliding rods 21, the screw rod 20 rotates to drive the movable block 22 moves along the surface of the screw rod 20, so that the four positioning blocks 30 are all out of the positioning grooves 29. According to different winding requirements, the winding rollers of different specifications or materials can be replaced to facilitate the winding of plastic films of different sizes, thicknesses or types; the motor 27 is started, and the output shaft of the motor 27 drives the second turntable 28 to rotate. Under the action of multiple positioning blocks 30 and multiple positioning grooves 29, the winding roller 24 rotates to wind the plastic film; when the plastic film needs to be cut, the pressing plate 14 is pushed, so that the pressing plate 14 drives the connecting rod 13 to move, the connecting rod 13 drives the moving plate 11 to move, the spring 12 is extended, and the moving plate 11 drives the cutting knife 16 to move, which can quickly and accurately cut the plastic film, avoid the safety hazards such as tool scratches that may occur during manual cutting, and improve safety.
[0039] The benefits of this application are:
[0040] 1. By setting a cutting assembly, pushing the pressing plate 14, so that the pressing plate 14 drives the connecting rod 13 to move, the connecting rod 13 drives the moving plate 11 to move, the spring 12 is extended, and the moving plate 11 drives the cutting knife 16 to move, the plastic film can be cut quickly and accurately, avoiding the potential safety hazards such as knife scratches during manual cutting, thereby improving safety;
[0041] 2. By rotating the first hand wheel 10, the first hand wheel 10 rotates to drive the screw 9 to rotate. Under the cooperation of the limit groove 4 and the limit block 33, the screw 9 rotates to drive the connecting frame 7 to move up and down, and the connecting frame 7 drives the first guide roller 5 to move up and down, so as to control the tension of the plastic film during the winding process, ensure that the plastic film is tightly and evenly wound on the winding roller 24, avoid the problems of loosening, wrinkling or excessive stretching of the plastic film, thereby improving the winding efficiency;
[0042] 3. By rotating the second hand wheel 32, the second hand wheel 32 rotates to drive the screw rod 20 to rotate. With the cooperation of the two sliding rods 21, the screw rod 20 rotates to drive the movable block 22 to move along the surface of the screw rod 20, so that the four positioning blocks 30 are all out of the positioning groove 29. According to different winding requirements, winding rollers of different specifications or materials can be replaced to facilitate winding of plastic films of different sizes, thicknesses or types.
[0043] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this application does not involve improvements to software and methods.
[0044] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A plastic film winding machine, comprising a workbench (1) and a first turntable (25), characterized in that: A fixing frame (15) is fixedly mounted on the top of the workbench (1), a cutting assembly is arranged inside the fixing frame (15), and the cutting assembly comprises a cutting knife (16), a connecting rod (13), a movable plate (11) and a spring (12); a connecting rod (13) is slidably connected inside the fixing frame (15), a pressing plate (14) is fixedly mounted on the top of the connecting rod (13), a movable plate (11) is fixedly mounted on the bottom of the connecting rod (13), a cutting knife (16) is fixedly mounted on the bottom of the movable plate (11), and the outer surface of the connecting rod (13) is sleeved with a spring (12), and the two ends of the spring (12) are respectively fixedly connected to the movable plate (11) and the fixing frame (15).
2. The plastic film winder according to claim 1, characterized in that: A cutting seat (18) is fixedly installed inside the fixing frame (15), and a cutting groove (17) is arranged at the top end of the cutting seat (18).
3. The plastic film winder according to claim 1, characterized in that: A mounting frame (8) is fixedly mounted on the top of the workbench (1), a screw rod (9) is internally threadedly connected to the mounting frame (8), a first hand wheel (10) is fixedly mounted on the top of the screw rod (9), and a connecting frame (7) is rotatably connected to the bottom of the screw rod (9) via a bearing.
4. The plastic film winder according to claim 3, characterized in that: The connecting frame (7) is rotatably connected to a second rotating shaft (6), and a second guide roller (5) is fixedly mounted on the second rotating shaft (6).
5. The plastic film winder according to claim 3, characterized in that: Two limit blocks (33) are fixedly mounted on the connecting frame (7), two limit slots (4) are provided on the mounting frame (8), and the two limit blocks (33) are respectively slidably connected to the two limit slots (4).
6. The plastic film winder according to claim 3, characterized in that: The interior of the mounting frame (8) is rotatably connected to a first rotating shaft (2) via a bearing, and a first guide roller (3) is fixedly mounted on the first rotating shaft (2).
7. The plastic film winder according to claim 1, characterized in that: The top of the workbench (1) is provided with a movable groove (19), the inner cavity of the movable groove (19) is rotatably connected to a screw rod (20) through a bearing, one end of the screw rod (20) extends to the outer end of the movable groove (19) and is fixedly connected to a second hand wheel (32), the outer surface of the screw rod (20) is threadedly connected to a movable block (22), the top of the movable block (22) is fixedly installed with a first mounting plate (23), the inner cavity of the movable groove (19) is fixedly installed with two sliding rods (21), and the two sliding rods (21) are both slidably connected to the movable block (22).
8. The plastic film winder according to claim 1, characterized in that: A second mounting plate (26) is fixedly mounted on the top of the workbench (1), a motor (27) is fixedly mounted on one side of the second mounting plate (26), and an output shaft of the motor (27) passes through the second mounting plate (26) and is fixedly connected to a second turntable (28).
9. The plastic film winder according to claim 7, characterized in that: One side of the first mounting plate (23) is rotatably connected to a rotating rod (31) via a bearing, and one end of the rotating rod (31) is fixedly mounted with a first rotating disk (25).
10. The plastic film winder according to claim 8, characterized in that: A plurality of positioning grooves (29) are provided inside the first rotating disk (25) and the second rotating disk (28); a winding roller (24) is provided between the first rotating disk (25) and the second rotating disk (28); a plurality of positioning blocks (30) are fixedly installed on both sides of the winding roller (24); and the plurality of positioning blocks (30) are respectively plugged into the plurality of positioning grooves (29).