Winding and clamping device for multi-layer co-extrusion winding film machine

By setting up a guide roller, movable roller and braking structure in the winding clamping device of the multi-layer coextrusion film machine, the winding tension is stabilized by using the speed difference and the adjustment structure, the product defect rate and production cost problems caused by unstable tension in the prior art are solved, and an efficient and stable production process is achieved.

CN222630627UActive Publication Date: 2025-03-18JIANGXI XINLU ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202420188165.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-26
Publication Date
2025-03-18
Estimated Expiration
2034-01-26

AI Technical Summary

Technical Problem

The existing winding clamping device for multi-layer coextrusion wrapping film machines cannot effectively ensure the stability of tension, resulting in an increase in product defect rate and an increase in production costs.

Method used

By providing a guide roller, a movable roller and a braking structure on the frame, tension is formed by using the speed difference, and tension is adjusted by the first rising structure and the second lifting structure to ensure that the winding film maintains a stable tension during the winding process.

Benefits of technology

In the production process of multi-layer coextruded wound film, the stability of the winding film tension is maintained, the product defect rate and production cost are reduced, and the production efficiency is improved.

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Abstract

The utility model relates to the technical field of winding and clamping, in particular to a winding and clamping device for a multi-layer co-extrusion winding film machine, which comprises a rack and is characterized in that a first bearing is fixedly connected onto the rack, a guide roller is fixedly connected between two ends of the first bearing, one end of the guide roller is fixedly connected with a first brake structure, and the other end of the guide roller is fixedly connected with a second brake structure. The end, away from the guide roller, of the rack is fixedly connected with a first lifting structure, the first lifting structure is fixedly connected with a first movable roller corresponding to the first lifting structure, the end, away from the first movable roller, of the rack is fixedly connected with a second lifting structure, and the second lifting structure is fixedly connected with a second movable roller corresponding to the second lifting structure. According to the winding clamping device for the multi-layer co-extrusion winding film machine, the required tension can be achieved through the rotating speed difference so that the tension of a product wound by the winding roller can be fixed, when the tension is insufficient in the operation process, the moving roller is adjusted up and down so that the tension of a winding film can be kept to be fixed, and the winding effect is good. The product quality is ensured, and the consumable cost is reduced.
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Description

Technical Field

[0001] The utility model relates to a winding and clamping device for a multi-layer co-extrusion stretch film machine, in particular to a winding and clamping device for a stretch film machine, belonging to the technical field of winding and clamping. Background Art

[0002] Multi-layer co-extruded stretch film is a film with a multi-layer structure, usually extruded from different materials or polymers. This film has good barrier properties, tensile strength and weather resistance, and is widely used in packaging, industry, agriculture and other fields. In the production process of multi-layer co-extruded stretch film, winding and clamping devices play a key role. They are used to roll the extruded film into a roll and ensure the tightness and stability of the film roll to avoid loosening or deformation of the film roll.

[0003] China's invention patent publication number CN 214455441 A discloses "a winding clamping device for a multi-layer co-extrusion stretch film machine". This device cannot effectively ensure the stability of tension, which will increase the product defect rate and increase production costs.

[0004] Therefore, it is urgent to improve the winding clamping device for the multi-layer co-extrusion stretch film machine to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a winding and clamping device for a multi-layer co-extruded stretch film machine. When the equipment is started, the multi-layer co-extruded stretch film reaches a certain tension through the speed difference to prevent the stretch film from having insufficient tension, thereby achieving winding and clamping. In the process of winding the rolls, the tension is insufficient and clamping cannot be achieved. The tension can be changed by adjusting the two moving rollers up and down to achieve the purpose of tightening.

[0006] 1. In order to achieve the above-mentioned purpose, the main technical scheme adopted by the utility model includes: a frame, characterized in that a bearing is fixedly connected to the frame, and the other side corresponds to it, a guide roller is fixedly connected between two ends of the bearing, one end of the guide roller is fixedly connected to a first braking structure, the frame is fixedly connected to a first lifting structure at one end away from the guide roller, and a corresponding structure is provided on the other side, the first lifting structure and its corresponding structure are fixedly connected to a first movable roller, one end of the frame is fixedly connected to a second lifting structure at one end away from the first movable roller, and a corresponding structure is provided on the other side, the second lifting structure and its corresponding structure are fixedly connected to a second movable roller, the frame is fixedly connected to a second braking structure at one side away from the second movable roller, a clamping structure is fixedly connected to one side of the second movable structure, the frame has a corresponding structure at the other side, a winding roller is fixedly connected between the clamping structure and its corresponding structure, and the frame is fixedly connected to a pushing structure at the lower end of the winding roller.

[0007] Preferably, the first braking structure includes a three-phase motor, a motor pulley, a V-belt, and a guide roller pulley. The three-phase motor is fixedly connected to the frame, one end of the three-phase motor is fixedly connected to the motor pulley, the motor pulley is rotationally connected to the guide roller pulley through the V-belt, and the guide roller pulley is fixedly connected to one end of the guide roller.

[0008] Preferably, the first lifting structure includes a fixed block and a guide screw rod, the fixed block is fixedly connected to the frame, the lower end of the fixed block is rotatably connected to the guide screw rod via a bearing, the guide screw rod is rotatably connected to an upper guide block, the lower end of the upper guide block is fixedly connected to a lower guide block, the end of the guide screw rod away from the fixed block is fixedly connected to a guide motor, and the guide motor is fixedly connected to the frame.

[0009] Preferably, the second lifting structure includes a fixed block 2 and a guide screw rod 2, the fixed block 2 is fixedly connected to the frame, the lower end of the fixed block 2 is rotatably connected to the guide screw rod 2 through a bearing, the upper end of the guide screw rod 2 is rotatably connected to a guide upper block 2, the lower end of the guide upper block 2 is fixedly connected to a guide lower block 2, the end of the guide screw rod 2 away from the fixed block 2 is fixedly connected to a guide motor 2, and the guide motor 2 is fixedly connected to the frame.

[0010] Preferably, the second braking structure includes a three-phase motor 2, a motor pulley 2, a V-belt 2, and a winding roller pulley. The three-phase motor 2 is fixedly connected to the frame, one end of the three-phase motor 2 is fixedly connected to the motor pulley 2, the motor pulley 2 is rotatably connected to the winding roller pulley through the V-belt 2, and the winding roller pulley is fixedly connected to one end of the guide roller.

[0011] Preferably, the clamping structure includes a cylinder 1 and an upper clamping block, wherein the cylinder 1 is fixedly connected to a frame, and one end of the cylinder 1 is fixedly connected to the upper clamping block, and further includes a cylinder 2 and a lower clamping block, wherein one end of the frame away from the cylinder 1 is fixedly connected to the cylinder 2, and one end of the cylinder 2 is fixedly connected to the lower clamping block.

[0012] Preferably, the pushing structure includes a pushing cylinder and a pushing rod, the pushing cylinder is fixedly connected to the frame, one end of the pushing cylinder is fixedly connected to the pushing rod, and one end of the pushing rod is rotatably connected to the frame, and also includes a connecting rod and a swing arm, the other end of the pushing rod is slidably connected to the connecting rod, one end of the connecting rod is rotatably connected to the swing arm, the swing arm is fixedly connected to a rotating shaft, the rotating shaft is rotatably connected to the frame, one end of the swing arm is fixedly connected to a claw cylinder 1, and the claw cylinder 1 is rotatably connected to an upper claw, and the end of the swing arm away from the claw cylinder 1 is fixedly connected to a claw cylinder 2, and one end of the claw cylinder 2 is fixedly connected to a lower claw, and the upper claw and the lower claw are clamped and connected to the winding roller.

[0013] The utility model has at least the following beneficial effects:

[0014] 1. This practical multi-layer co-extrusion winding film machine uses a winding clamping device. When the machine is turned on, the required tension can be achieved through the speed difference to keep the product wound by the winding roller at a certain tension. In the case of insufficient tension during operation, the moving roller moves up and down to keep the winding film at a certain tension, thereby ensuring product quality and reducing consumables costs.

[0015] 2. The cylinder pushes the swing arm to drive the winding roller, and the air claw relaxes the clamping to replace the winding roller, which improves efficiency and reduces the workload of employees. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the winding and clamping device for the multi-layer co-extrusion stretch film machine of the utility model;

[0018] Figure 2 This is a structural diagram of the guide roller of the utility model;

[0019] Figure 3 This is a lifting structure diagram of the utility model;

[0020] Figure 4 This is a structural diagram of the clamping and winding roller and winding power of the utility model;

[0021] Figure 5 This is a structural diagram of the rewinding roller for disassembling and replacing the utility model;

[0022] Figure 6 This is the installation diagram of the co-extruded stretch film of the utility model;

[0023] Figure 7 This is a diagram of the winding roller clamping swing arm of the utility model.

[0024] In the figure, 1-frame, 2-guide roller, 3-first movable roller, 4-second movable roller, 5-winding roller, 6-second braking structure, 7-first braking structure, 8-pushing structure, 9-clamping structure, 10-second lifting structure, 11-first lifting structure, 12-guide roller pulley 1, 13-V-belt 1, 14-three-phase motor 1, 20-fixed block 2, 21-guide screw rod 2, 22-guide upper block 2, 23-guide lower block 2, 24-guide motor 2, 25-fixed block 1, 26-guide Screw rod one, 27-guide upper block one, 28-guide lower block one, 29-guide motor one, 30-cylinder one, 31-upper clamping block, 32-lower clamping block, 33-cylinder two, 34-V-belt two, 35-winding roller pulley, 38-motor pulley two, 39-three-phase motor two, 41-swing arm, 42-rotating shaft, 43-connecting rod, 44-pushing rod, 45-pushing cylinder, 50-claw cylinder two, 51-claw cylinder one, 52-upper claw, 53-lower claw, 54-bearing one. DETAILED DESCRIPTION

[0025] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0026] like Figure 1-Figure 7 As shown, a winding clamping device for a multi-layer co-extrusion winding film machine provided in this embodiment includes a frame 1, characterized in that a bearing 54 is fixedly connected to the frame 1 and the other side corresponds to it, a guide roller 2 is fixedly connected between the two ends of the bearing 54, one end of the guide roller 2 is fixedly connected to a first braking structure 7, one end of the frame 1 away from the guide roller 2 is fixedly connected to a first rising structure 11 and the other side has a structure corresponding to it, the first rising structure 11 and its corresponding structure are fixedly connected to a first movable roller 3, one end of the frame 1 away from the first movable roller 3 is fixedly connected to a second lifting structure 10 and the other side has a structure corresponding to it, the second lifting structure 10 and its corresponding structure are fixedly connected A second movable roller 4 is fixedly connected to the frame 1, and a second braking structure 6 is fixedly connected to one side of the frame 1 away from the second movable roller 4. A clamping structure 9 is fixedly connected to one side of the second braking structure 6. A corresponding structure is provided on the other side of the frame 1. A winding roller 5 is fixedly connected between the clamping structure 9 and its corresponding structure. A pushing structure 8 is fixedly connected to the lower end of the winding roller 5 of the frame 1. The machine runs through the first braking structure 7, forming a speed difference with the second braking structure 6 to increase the tension. When the machine is operating normally, the tension is affected by other conditions such as temperature and changes. The tension is changed by adjusting the first rising structure 11 and the second lifting structure 10 up and down to make the tension stable during the entire product production process.

[0027] In this embodiment, if Figure 2 As shown, the first braking structure 7 includes a three-phase motor 14, a motor pulley 16, a V-belt 13, and a guide roller pulley 12. The three-phase motor 14 is fixedly connected to the frame 1, and one end of the three-phase motor 14 is fixedly connected to the motor pulley 16. The motor pulley 16 is rotatably connected to the guide roller pulley 12 through the V-belt 13. The guide roller pulley 12 is fixedly connected to one end of the guide roller 2. The speed of the three-phase motor 14 is changed to affect the tension of the winding film.

[0028] In this embodiment, if Figure 3 As shown, the first lifting structure 11 includes a fixed block 25 and a guide wire rod 26, the fixed block 25 is fixedly connected to the frame 1, the lower end of the fixed block 25 is rotatably connected to the guide wire rod 26 through a bearing, the upper guide block 27 is rotatably connected to the guide wire rod 26, the lower end of the guide upper block 27 is fixedly connected to the guide lower block 28, the end of the guide wire rod 26 away from the fixed block 25 is fixedly connected to a guide motor 29, and the guide motor 29 is fixedly connected to the frame 1. The second lifting structure 10 includes a fixed block 20 and a guide wire rod 26. The guide screw rod 21 and the fixed block 20 are fixedly connected to the frame 1. The lower end of the fixed block 20 is rotatably connected to the guide screw rod 21 through a bearing. The guide screw rod 21 is rotatably connected to a guide upper block 22. The lower end of the guide upper block 22 is fixedly connected to a guide lower block 23. The end of the guide screw rod 21 away from the fixed block 20 is fixedly connected to a guide motor 24. The guide motor 24 is fixedly connected to the frame 1. The upward and downward movement of the moving roller is adjusted by the forward and reverse rotation of the guide motor 1 29 and the guide motor 24 to change the tension of the wrapping film.

[0029] In this embodiment, if Figure 4-Figure 7As shown, the second brake structure 6 includes a three-phase motor 2 39, a motor pulley 2 38, a V-belt 2 34, and a winding roller pulley 35. The three-phase motor 2 39 is fixedly connected to the frame 1. One end of the three-phase motor 2 39 is fixedly connected to the motor pulley 2 38. The motor pulley 2 38 is rotationally connected to the winding roller pulley 35 through the V-belt 2 34. The winding roller pulley 35 is fixedly connected to one end of the guide roller 2. The clamping structure 9 includes a cylinder 1 30 and an upper clamping block 31. The cylinder 1 30 is fixedly connected to the frame 1. One end of the cylinder 1 30 is fixedly connected to the upper clamping block 31. It also includes a cylinder 2 33 and a lower clamping block 32. The end of the frame 1 away from the cylinder 1 30 is fixedly connected to the cylinder 2 33. One end of the cylinder 2 33 is fixedly connected to the lower clamping block 32. The pushing structure 8 includes a pushing cylinder 45 and a pushing rod 44. The pushing cylinder 45 is fixedly connected to the frame 1. One end of the pushing cylinder 45 is fixedly connected to the pushing rod 44. One end of the pushing rod 44 is rotatably connected to the frame 1. It also includes a connecting rod 43 and a swing arm 41. The other end of the pushing rod 44 is slidably connected to the connecting rod 43. One end of the connecting rod 43 is rotatably connected to the swing arm 41. The swing arm 41 is fixedly connected to a rotating shaft 42. The rotating shaft 42 is rotatably connected to the frame 1. On the frame 1, one end of the swing arm 41 is fixedly connected to the claw cylinder 1 51, and the claw cylinder 1 51 is rotatably connected to the upper claw 52. The end of the swing arm 41 away from the claw cylinder 1 51 is fixedly connected to the claw cylinder 2 50, and one end of the claw cylinder 2 50 is fixedly connected to the lower claw 53. The upper claw 52 and the lower claw 53 are clamped and connected with the winding roller 5. The claw clamps the winding roller 6, and the swing arm 41 drives the winding roller 6, which is convenient for replacing the winding roller 6, thereby improving production efficiency and reducing work intensity.

[0030] 2. If Figure 1-Figure 7As shown, the principle of the winding clamping device for a multi-layer co-extrusion winding film machine provided in this embodiment is as follows: a bearing 54 is fixedly connected to the frame 1, and the other side corresponds to it, a guide roller 2 is fixedly connected between the two ends of the bearing 54, and one end of the guide roller 2 is fixedly connected to a first braking structure 7, and one end of the frame 1 away from the guide roller 2 is fixedly connected to a first rising structure 11 and a corresponding structure on the other side, the first rising structure 11 and its corresponding structure are fixedly connected to a first movable roller 3, one end of the frame 1 away from the first movable roller 3 is fixedly connected to a second lifting structure 10 and a corresponding structure on the other side, and the second lifting structure 10 and its corresponding structure are fixedly connected to the first lifting structure 11 and ... Two movable rollers 4, a second braking structure 6 is fixedly connected to one side of the frame 1 away from the second movable roller 10, a clamping structure 9 is fixedly connected to one side of the second braking structure 6, and a corresponding structure is provided on the other side of the frame 1, a winding roller 5 is fixedly connected between the clamping structure 9 and its corresponding structure, and a pushing structure 8 is fixedly connected to the lower end of the winding roller 5 of the frame 1. The machine runs through the first braking structure 7, forming a speed difference with the second braking structure 6 to increase the tension. When the machine is running normally, the tension is affected by other conditions such as temperature and changes. The tension is changed by adjusting the first rising structure 11 and the second lifting structure 10 up and down, so that the tension is stable during the entire product production process.

[0031] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0032] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0033] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A winding and clamping device for a multi-layer co-extrusion stretch film machine, comprising a frame (1), characterized in that: The frame (1) is fixedly connected to a bearing (54) on the other side thereof, and the bearing (54) is fixedly connected to a guide roller (2) between both ends thereof, and one end of the guide roller (2) is fixedly connected to a first braking structure (7), and one end of the frame (1) away from the guide roller (2) is fixedly connected to a first lifting structure (11) and a structure corresponding to the first lifting structure (11) is fixedly connected to the first movable roller (3) on the other side thereof, and the first lifting structure (11) and its corresponding structure are fixedly connected to a first movable roller (3), and one end of the frame (1) away from the first movable roller (3) is fixedly connected to a second lifting structure ( 10) has a corresponding structure on the other side, the second lifting structure (10) and its corresponding structure are fixedly connected to a second movable roller (4), the frame (1) is fixedly connected to a second braking structure (6) on the side away from the second movable roller (4), and the second braking structure (6) is fixedly connected to a clamping structure (9) on one side. The frame (1) has a corresponding structure on the other side, a winding roller (5) is fixedly connected between the clamping structure (9) and its corresponding structure, and the frame (1) is fixedly connected to a pushing structure (8) at the lower end of the winding roller (5).

2. The winding and clamping device for a multi-layer co-extrusion stretch film machine according to claim 1, characterized in that: The first braking structure (7) comprises a three-phase motor (14), a motor pulley (16), a V-belt (13), and a guide roller pulley (12); the three-phase motor (14) is fixedly connected to the frame (1); one end of the three-phase motor (14) is fixedly connected to the motor pulley (16); the motor pulley (16) and the guide roller pulley (12) are rotationally connected via the V-belt (13); and the guide roller pulley (12) is fixedly connected to one end of the guide roller (2).

3. The winding and clamping device for a multi-layer co-extrusion stretch film machine according to claim 1, characterized in that: The first lifting structure (11) comprises a fixed block (25) and a guide screw (26); the fixed block (25) is fixedly connected to the frame (1); the lower end of the fixed block (25) is rotatably connected to the guide screw (26) via a bearing; the upper end of the guide screw (26) is rotatably connected to a guide upper block (27); the lower end of the guide upper block (27) is fixedly connected to a guide lower block (28); the end of the guide screw (26) away from the fixed block (25) is fixedly connected to a guide motor (29); and the guide motor (29) is fixedly connected to the frame (1).

4. The winding and clamping device for a multi-layer co-extrusion stretch film machine according to claim 1, characterized in that: The second lifting structure (10) comprises a second fixed block (20) and a second guide screw rod (21); the second fixed block (20) is fixedly connected to the frame (1); the lower end of the second fixed block (20) is rotatably connected to the second guide screw rod (21) via a bearing; the upper end of the second guide screw rod (21) is rotatably connected to the second guide upper block (22); the lower end of the second guide upper block (22) is fixedly connected to the second guide lower block (23); the end of the second guide screw rod (21) away from the second fixed block (20) is fixedly connected to the second guide motor (24); the second guide motor (24) is fixedly connected to the frame (1).

5. The winding and clamping device for a multi-layer co-extrusion stretch film machine according to claim 1, characterized in that: The second braking structure (6) comprises a three-phase motor 2 (39), a motor belt pulley 2 (38), a V-belt 2 (34), and a winding roller belt pulley (35); the three-phase motor 2 (39) is fixedly connected to the frame (1); one end of the three-phase motor 2 (39) is fixedly connected to the motor belt pulley 2 (38); the motor belt pulley 2 (38) and the winding roller belt pulley (35) are rotationally connected via the V-belt 2 (34); and the winding roller belt pulley (35) is fixedly connected to one end of the guide roller (2).

6. The winding and clamping device for a multi-layer co-extrusion stretch film machine according to claim 1, characterized in that: The clamping structure (9) comprises a cylinder 1 (30) and an upper clamping block (31), wherein the cylinder 1 (30) is fixedly connected to the frame (1), and one end of the cylinder 1 (30) is fixedly connected to the upper clamping block (31), and further comprises a cylinder 2 (33) and a lower clamping block (32), wherein one end of the frame (1) away from the cylinder 1 (30) is fixedly connected to the cylinder 2 (33), and one end of the cylinder 2 (33) is fixedly connected to the lower clamping block (32).

7. The winding and clamping device for a multi-layer co-extrusion stretch film machine according to claim 1, characterized in that: The pushing structure (8) comprises a pushing cylinder (45) and a pushing rod (44), wherein the pushing cylinder (45) is fixedly connected to the frame (1), one end of the pushing cylinder (45) is fixedly connected to the pushing rod (44), one end of the pushing rod (44) is rotatably connected to the frame (1), and further comprises a connecting rod (43) and a swing arm (41), the other end of the pushing rod (44) is slidably connected to the connecting rod (43), one end of the connecting rod (43) is rotatably connected to the swing arm (41), and the swing arm (41) is rotatably connected to the frame (1). ) is fixedly connected to a rotating shaft (42), the rotating shaft (42) is rotatably connected to the frame (1), one end of the swing arm (41) is fixedly connected to a claw cylinder one (51), the claw cylinder one (51) is rotatably connected to an upper claw (52), the end of the swing arm (41) away from the claw cylinder one (51) is fixedly connected to a claw cylinder two (50), one end of the claw cylinder two (50) is fixedly connected to a lower claw (53), the upper claw (52) and the lower claw (53) are clamped and connected to the winding roller (5).

Citation Information

Patent Citations

  • Winding and clamping device for multi-layer co-extrusion winding film machine

    CN214455441U