Aluminum foil unwinding mechanism and unwinding machine thereof

The adjustable mechanisms in the aluminum foil unwinding machine address uneven winding issues by maintaining foil alignment and tension, ensuring high-quality winding without edge misalignment or wrinkles.

CN223102225UActive Publication Date: 2025-07-15ZHEJIANG HUAYUAN IND CO LTD
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Patent Information

Application Number
CN202420934555.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-07-15
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

When existing aluminum foil unwinding machines roll aluminum foil of different widths, they are prone to offset and wrinkles, which affects the flatness and use effect of aluminum foil.

Method used

The unwinding roller design is adopted with an adjustment structure and a motor-driven unwinding roller design. Through the cooperation of the moving gear ring and the movable support rod, the two ends of the aluminum foil are flat when rewinding, and the generation of wrinkles is avoided by the tensioning spring and pressing roller structure. At the same time, the distance between the moving gear ring and the movable support rod can be adjusted to accommodate the aluminum foil of different widths.

Benefits of technology

The two ends of aluminum foil coiling are achieved to avoid the occurrence of wrinkles, adapt to the needs of aluminum foil coiling of different widths, and improve the quality of aluminum foil use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of unreeling machines, in particular to an aluminum foil unreeling mechanism and an unreeling machine thereof, which are characterized in that support plates are mounted on two sides of the upper end of the base, an unreeling roller is rotatably mounted between the two support plates, a first motor drives a reeling roller to rotate, and under the action of two movable baffle rings, the aluminum foil can be ensured to be prevented from falling off when the aluminum foil is reeled. In the winding process, a pressing spring supports a movable supporting rod through a supporting rod, a pressing roller at one end of the movable supporting rod is attached to the surface of the aluminum foil on the surface of an unwinding roller, the pressing roller tensions the aluminum foil on the surface of the unwinding roller towards the two sides, the winding effect is enhanced, wrinkles are avoided, and the service life of the aluminum foil is prolonged. And a second motor drives a second double-thread screw to rotate, and a movable seat moves in the opposite or separated direction along the second double-thread screw under the action of threads, so that the distance between the two movable supporting rods can be conveniently adjusted, and the aluminum foils with different widths can be conveniently adapted.
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Description

Technical Field

[0001] The utility model relates to an aluminum foil unwinding machine, in particular to an aluminum foil unwinding mechanism and an unwinding machine thereof, belonging to the technical field of unwinding machines. Background Art

[0002] Aluminum foil unwinding machine is a kind of equipment specially used for processing aluminum foil coils. Its main working principle is to unwind the aluminum foil from the large roll by driving the unwinding drive to rotate the unwinding frame. During the unwinding process, the tension controller will detect the tension of the aluminum foil in real time and adjust the speed of the unwinding drive as needed to keep the tension of the aluminum foil constant.

[0003] After searching, an aluminum foil unwinding mechanism and an unwinding machine thereof were disclosed with the publication number CN220787540U;

[0004] However, when the existing aluminum foil unwinding machine is unwinding the aluminum foil, due to the different widths of different aluminum foils, some narrow aluminum foils are easily offset on the surface of the winding roller when they are rolled up, making the two ends of the rolled aluminum foil uneven, affecting the later use of the aluminum foil. In addition, when the existing aluminum foil unwinding machine is unwinding the aluminum foil, wrinkles are easily generated, affecting the unwinding of the aluminum foil. Utility Model Content

[0005] The utility model aims to provide an aluminum foil unwinding mechanism and an unwinding machine thereof, which can solve the problems that when the existing aluminum foil unwinding machine is unwinding the aluminum foil, due to the different widths of different aluminum foils, some narrower aluminum foils are easily offset on the surface of the winding roller when they are rolled up, making the two ends of the rolled aluminum foil uneven, affecting the later use of the aluminum foil, and the existing aluminum foil unwinding machine is prone to wrinkles when unwinding the aluminum foil, which affects the unwinding of the aluminum foil.

[0006] The cam is provided with a plurality of rollers, and a plurality of rollers are provided at the two ends of the rollers, and a plurality of rollers are provided at the two ends of the rollers are provided with a plurality of rollers, and a plurality of rollers are provided with a plurality of rollers at the two ends of the rollers.

[0007] Preferably, lifting columns are fixedly installed on both sides of the upper end of the base. A fixing strip is installed between the two lifting columns. A pressing strip is movably installed at the upper end of the fixing strip. Cleaning strips are provided on the opposite sides of the fixing strip and the pressing strip.

[0008] Preferably, pull rods are movably inserted through both ends of the fixing strip. The upper ends of the pull rods are fixedly connected to the pressing strip. Installation blocks are installed at the lower ends of the pull rods. A connecting spring member connecting the installation blocks and the fixing strip is sleeved on the surfaces of the pull rods.

[0009] Preferably, a second double-threaded screw rod is rotatably installed between the two support plates. The moving seat is movably sleeved on the surface of the second double-threaded screw rod. A second motor is installed on one side of the support plate. The second motor is in transmission connection with the second double-threaded screw rod.

[0010] Preferably, a chute is opened at the upper end of the base. A slider is fixedly installed at the lower end of the moving seat. The slider is slidably connected to the chute.

[0011] Preferably, the adjusting structure includes a connecting sleeve. The connecting sleeve is fixedly installed at one end of the unwinding roller. The connecting sleeve penetrates through one side of the support plate. A first double-threaded screw rod is movably installed inside the unwinding roller. One end of the first double-threaded screw rod is movably inserted into the inside of the connecting sleeve. One end of the first double-threaded screw rod is rotatably connected to the inner wall of the unwinding roller.

[0012] Preferably, a limiting gear is installed at one end of the first double-threaded screw rod. A pressing spring is installed on one side inside the connecting sleeve. A limiting tooth block is installed at one end of the pressing spring. The limiting tooth block is engaged with the limiting gear. An adjusting bolt is movably inserted through one side of the connecting sleeve. One end of the adjusting bolt is rotatably connected to the limiting tooth block.

[0013] Preferably, movable grooves are opened on both sides of the surface of the unwinding roller. Movable blocks are movably inserted into the inside of the movable grooves. One end of the movable block is fixedly connected to the movable retaining ring. Moving plates are movably sleeved on both ends of the first double-threaded screw rod. The moving plates are fixedly connected to the movable blocks.

[0014] The utility model has at least the following beneficial effects:

[0015] 1. In the present utility model, the first motor drives the winding roller to rotate. Under the action of two moving retaining rings, it can ensure that both ends of the aluminum foil are flat during winding, which is beneficial to the use of the aluminum foil roll. During the winding process, the tension spring supports the movable rod through the support rod. One end of the movable rod, the pressure roller, is in contact with the surface of the aluminum foil on the unwinding roller. The pressure roller tightens the aluminum foil on the surface of the unwinding roller to both sides, enhancing the winding effect and avoiding wrinkles. The second motor drives the second double-threaded screw to rotate. Under the action of the thread, the moving seat moves along the second double-threaded screw in the relative or separating direction, facilitating the adjustment of the distance between the two movable rods and adapting to aluminum foils of different widths.

[0016] 2. In the present utility model, the user rotates the adjusting bolt, which drives the limit tooth block to move. When the limit tooth block moves, it disengages from the limit gear, causing the first double-threaded screw to rotate. The user rotates the first double-threaded screw, and under the action of the thread, the moving plate moves along the first double-threaded screw. The moving plate drives the moving retaining ring to move through the movable block, facilitating the adjustment of the distance between the moving retaining rings and conveniently winding aluminum foils of different widths. The user rotates the adjusting bolt, which drives the limit tooth block to move downward, causing the limit tooth block to engage with the limit gear, enabling the first double-threaded screw to remain synchronized when the connecting sleeve rotates. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0018] Figure 1 is a three-dimensional structural schematic diagram of the device of the present utility model;

[0019] Figure 2 is a schematic diagram of a half-sectional structure of the side of the device of the present utility model;

[0020] Figure 3 is of the present utility model Figure 2 is an enlarged structural schematic diagram of part A in;

[0021] Figure 4 is of the present utility model Figure 2 is an enlarged structural schematic diagram of part B in.

[0022] In the figure, 1 is the base; 2 is the support plate; 3 is the unwinding roller; 4 is the movable retaining ring; 5 is the movable seat; 6 is the first double-threaded screw; 7 is the lifting column; 8 is the fixed strip; 9 is the pressing strip; 10 is the pull rod; 11 is the connecting spring member; 12 is the cleaning strip; 13 is the connecting sleeve; 14 is the first motor; 15 is the second double-threaded screw; 16 is the movable plate; 17 is the second motor; 18 is the limit gear; 19 is the limit tooth block; 20 is the adjusting bolt; 21 is the pressing spring; 22 is the movable support rod; 23 is the sliding rod; 24 is the sliding seat; 25 is the support rod; 26 is the tension spring. Detailed implementation mode

[0023] The following will cooperate with the drawings and embodiments to describe in detail the implementation mode of the present application, so as to fully understand how the present application uses technical means to solve technical problems and achieve the realization process of technical effects and implement it accordingly.

[0024] As Figures 1 to 3 shown, an aluminum foil unwinding mechanism and an unwinder provided in this embodiment include a base 1. Support plates 2 are installed on both sides of the upper end of the base 1. An unwinding roller 3 is rotatably installed between the two support plates 2. Movable retaining rings 4 are movably installed at both ends of the unwinding roller 3. An adjusting structure is provided between the movable retaining ring 4 and the unwinding roller 3. A first motor 14 is installed on one side of one of the support plates 2. The first motor 14 is in transmission connection with the unwinding roller 3. Movable seats 5 are movably installed on both sides of the upper end of the base 1. The movable seat 5 is L-shaped. A movable support rod 22 is movably installed on one side of the movable seat 5. A pressing roller is installed at one end of the movable support rod 22. A groove is formed on one side of the movable support rod 22. A sliding rod 23 is arranged inside the groove. A sliding seat 24 is movably sleeved on the surface of the sliding rod 23. A support rod 25 is movably installed on one side of the sliding seat 24. One end of the support rod 25 penetrates through the movable seat 5 to install a fixed block. A tension spring 26 connected to the fixed block is sleeved on the surface of the support rod 25. A second double-threaded screw 15 is rotatably installed between the two support plates 2. The movable seat 5 is movably sleeved on the surface of the second double-threaded screw 15. A second motor 17 is installed on one side of the support plate 2. The second motor 17 is in transmission connection with the second double-threaded screw 15. A chute is formed on the upper end of the base 1. A slider is fixedly installed at the lower end of the movable seat 5. The slider is slidably connected to the chute;

[0025] In the present utility model, the first motor 14 drives the winding roller to rotate. Under the action of the two moving retaining rings 4, it can ensure that both ends of the aluminum foil are flat during winding, which is beneficial to the use of the aluminum foil roll. During the winding process, the tension spring 26 supports the movable support rod 22 through the support rod 25. One end of the movable support rod 22, the pressure roller, is in contact with the surface of the aluminum foil on the surface of the unwinding roller 3. The pressure roller tightens the aluminum foil on the surface of the unwinding roller 3 to both sides, strengthening the winding effect and avoiding wrinkles. The second motor 17 drives the second double-threaded screw 15 to rotate. Under the action of the thread, the moving seat 5 moves along the second double-threaded screw 15 in the relative or separating direction, facilitating the adjustment of the distance between the two movable support rods 22 to adapt to aluminum foils of different widths.

[0026] As Figure 1 shown, a kind of aluminum foil unwinding mechanism and its unwinder provided by this embodiment. On both sides of the upper end of the base 1, lifting columns 7 are fixedly installed. A fixing strip 8 is installed between the two lifting columns 7. A pressure strip 9 is movably installed at the upper end of the fixing strip 8. Cleaning strips 12 are provided on the opposite sides of the fixing strip 8 and the pressure strip 9. Pulling rods 10 are movably inserted through both ends of the fixing strip 8. The upper ends of the pulling rods 10 are fixedly connected to the pressure strip 9. Installation blocks are installed at the lower ends of the pulling rods 10. A connecting spring member 11 connected to the installation blocks and the fixing strip 8 is sleeved on the surface of the pulling rods 10.

[0027] In the present utility model, the aluminum foil is inserted between the fixing strip 8 and the pressure strip 9. During the winding process, the aluminum foil moves between the fixing strip 8 and the pressure strip 9. Under the action of the cleaning strips 12, it is convenient to clean the aluminum foil.

[0028] As Figure 2 and Figure 4 shown, a kind of aluminum foil unwinding mechanism and its unwinder provided by this embodiment. The adjusting structure includes a connecting sleeve 13. The connecting sleeve 13 is fixedly installed at one end of the unwinding roller 3. The connecting sleeve 13 penetrates through one side of the support plate 2. A first double-threaded screw 6 is movably installed inside the unwinding roller 3. One end of the first double-threaded screw 6 is movably inserted into the inside of the connecting sleeve 13. One end of the first double-threaded screw 6 is rotationally connected to the inner wall of the unwinding roller 3. A limiting gear 18 is installed at one end of the first double-threaded screw 6. A pressing spring 21 is installed on one side inside the connecting sleeve 13. A limiting tooth block 19 is installed at one end of the pressing spring 21. The limiting tooth block 19 is engaged with the limiting gear 18. An adjusting bolt 20 is movably inserted through one side of the connecting sleeve 13. One end of the adjusting bolt 20 is rotationally connected to the limiting tooth block 19. Moving grooves are provided on both sides of the surface of the unwinding roller 3. Moving blocks are movably inserted into the inside of the moving grooves. One end of the moving block is fixedly connected to the moving retaining ring 4. Moving plates 16 are movably sleeved at both ends of the first double-threaded screw 6. The moving plates 16 are fixedly connected to the moving blocks.

[0029] In the present utility model, the user rotates the adjusting bolt 20, and the adjusting bolt 20 drives the limiting tooth block 19 to move. When the limiting tooth block 19 moves, it disengages from the limiting gear 18, causing the first double-threaded screw 6 to rotate. The user rotates the first double-threaded screw 6, and under the action of the thread, the moving plate 16 moves along the first double-threaded screw 6. The moving plate 16 drives the moving retaining ring 4 to move through the movable block, facilitating the adjustment of the distance between the moving retaining rings 4 and facilitating the winding of aluminum foils of different widths. When the user rotates the adjusting bolt 20, the adjusting bolt 20 drives the limiting tooth block 19 to move downward, causing the limiting tooth block 19 to engage with the limiting gear 18, so that when the connecting sleeve 13 rotates, the first double-threaded screw 6 can remain synchronous.

[0030] As used in the specification and claims, certain terms are used 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. The specification and claims do not use the difference in name as a way to distinguish components, but rather use the difference in function of the components as the criterion for distinction. As mentioned throughout the specification and claims, the term "comprising" is an open-ended term and should be interpreted as "including but not limited to". "Substantially" means within an acceptable error range. Those skilled in the art can solve technical problems within a certain error range and basically achieve the technical effect.

[0031] It should be noted that the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a commodity or system including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such commodity or system. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the commodity or system including the element.

[0032] The above description shows and describes several preferred embodiments of the present utility model. However, as mentioned above, it should be understood that the present utility model is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the inventive concept described herein through the above teachings or the technology or knowledge in the relevant field. Any changes and modifications made by those skilled in the art without departing from the spirit and scope of the present utility model shall fall within the protection scope of the appended claims of the present utility model.

Claims

1. An aluminum foil unwinding mechanism and an unwinder thereof, comprising a base (1), characterized in that: On both sides of the upper end of the base (1), support plates (2) are installed. A unwind roller (3) is rotatably installed between the two support plates (2). Moving retaining rings (4) are movably installed at both ends of the unwind roller (3). An adjusting structure is provided between the moving retaining ring (4) and the unwind roller (3). A first motor (14) is installed on one side of one of the support plates (2). The first motor (14) is in driving connection with the unwind roller (3). Moving seats (5) are movably installed on both sides of the upper end of the base (1). The moving seat (5) is L-shaped. A movable support rod (22) is movably installed on one side of the moving seat (5). A pressing roller is installed at one end of the movable support rod (22). A groove is formed on one side of the movable support rod (22). A sliding rod (23) is arranged inside the groove. A sliding seat (24) is movably sleeved on the surface of the sliding rod (23). A support rod (25) is movably installed on one side of the sliding seat (24). One end of the support rod (25) penetrates through the moving seat (5) to install a fixing block. A tension spring (26) connected to the fixing block is sleeved on the surface of the support rod (25).

2. The aluminum foil uncoiling mechanism and uncoiler according to claim 1, characterized in that: Lifting columns (7) are fixedly installed on both sides of the upper end of the base (1). A fixing strip (8) is installed between the two lifting columns (7). A pressing strip (9) is movably installed at the upper end of the fixing strip (8). Cleaning strips (12) are arranged on the opposite sides of the fixing strip (8) and the pressing strip (9).

3. The aluminum foil unwinding mechanism and unwinder according to claim 2, characterized in that: Pulling rods (10) are movably inserted through both ends of the fixing strip (8). The upper ends of the pulling rods (10) are fixedly connected to the pressing strip (9). An installation block is installed at the lower end of the pulling rod (10). A connecting spring member (11) connected to the installation block and the fixing strip (8) is sleeved on the surface of the pulling rod (10).

4. The aluminum foil unwinding mechanism and unwinder according to claim 1, characterized in that: A second double-threaded screw rod (15) is rotatably installed between the two support plates (2). The moving seat (5) is movably sleeved on the surface of the second double-threaded screw rod (15). A second motor (17) is installed on one side of the support plate (2). The second motor (17) is in driving connection with the second double-threaded screw rod (15).

5. The aluminum foil unwinding mechanism and the unwinder according to claim 4, characterized in that: A chute is formed at the upper end of the base (1). A slider is fixedly installed at the lower end of the moving seat (5). The slider is slidably connected to the chute.

6. The aluminum foil unwinding mechanism and the unwinder according to claim 1, characterized in that: The adjusting structure includes a connecting sleeve (13). The connecting sleeve (13) is fixedly installed at one end of the unwind roller (3). The connecting sleeve (13) penetrates through one of the support plates (2). A first double-threaded screw rod (6) is movably installed inside the unwind roller (3). One end of the first double-threaded screw rod (6) is movably inserted into the inside of the connecting sleeve (13). One end of the first double-threaded screw rod (6) is rotatably connected to the inner wall of the unwind roller (3).

7. The aluminum foil unwinding mechanism and the unwinder according to claim 6, characterized in that: One end of the first double-threaded screw rod (6) is provided with a limit gear (18). One side inside the connecting sleeve (13) is provided with a compression spring (21). One end of the compression spring (21) is provided with a limit tooth block (19). The limit tooth block (19) is engaged with the limit gear (18). One side of the connecting sleeve (13) is movably penetrated by an adjusting bolt (20). One end of the adjusting bolt (20) is rotatably connected to the limit tooth block (19).

8. The aluminum foil unwinding mechanism and the unwinder according to claim 7, characterized in that: Both sides of the surface of the unwinding roller (3) are provided with movable grooves. Movable blocks are movably penetrated inside the movable grooves. One end of the movable block is fixedly connected to a movable retaining ring (4). Both ends of the first double-threaded screw rod (6) are movably sleeved with movable plates (16). The movable plates (16) are fixedly connected to the movable blocks.

Citation Information

Patent Citations

  • Aluminum foil unwinding mechanism and unwinding machine thereof

    CN220787540U