Aluminum alloy foil finishing system

Abstract

The invention discloses an aluminum alloy foil finishing system, comprising a closed outer box, an inner box, and a pressure roller mechanism, wherein the pressure roller mechanism is composed of a rotatable upper pressure roller and a lower pressure roller, wherein the upper pressure roller is driven to rotate by a driving motor, and the lower pressure roller rotates freely, a heating device is installed in the inner box, an unwinding area and a winding area are arranged in the outer box, an unwinding shaft and an unwinding trimming device are installed in the unwinding area, a winding shaft and a winding trimming device are installed in the winding area, a vacuum device and a nitrogen filling device are connected to the outer box through pipelines, respectively, and the unwinding shaft and the winding shaft are driven to rotate by a motor respectively. The invention can repeatedly finish the aluminum alloy foil, and the finished aluminum alloy foil has uniform performance, a smooth surface, precise thickness control, and small internal stress, and no annealing process is required.

Description

Technical Field

[0001] The invention belongs to the technical field of aluminum alloy foil production, and in particular relates to an aluminum alloy foil finishing system. Background Art

[0002] Aluminum alloy foil needs to be finished during production to further control the thickness of the aluminum alloy foil and improve the surface finish. The traditional aluminum alloy foil finishing process can make the aluminum alloy foil in a certain area uniform in thickness and bright on the surface, but from the length direction of the aluminum alloy foil, there is still inconsistency in thickness, and the stress in the aluminum alloy foil is inconsistent, so annealing is required to eliminate the stress. Summary of the invention

[0003] In order to solve the above technical problems, the technical solution adopted by the present invention is: an aluminum alloy foil finishing system, comprising a closed outer box, an inner box arranged in the outer box body, and a pressing roller mechanism installed in the inner box, the pressing roller mechanism is composed of a rotatable upper pressing roller and a lower pressing roller, the upper pressing roller is driven to rotate by a driving motor, and the lower pressing roller rotates freely, openings for the aluminum alloy foil to pass through are respectively provided on both sides of the inner box, a heating device is installed in the inner box, an unwinding area and a winding area are provided in the outer box, the unwinding area and the winding area are respectively located on both sides of the inner box, an unwinding shaft and an unwinding trimming device are installed in the unwinding area, and a winding shaft and a winding trimming device are installed in the winding area. The coil trimming device, the unwinding trimming device and the rewinding trimming device have the same structure. The unwinding trimming device includes a trimming opening for the aluminum alloy foil to pass through and trimming knives installed on both sides of the trimming opening. The trimming openings of the unwinding trimming device and the rewinding trimming device are respectively close to the openings on both sides of the inner box. The outer box is respectively connected to the vacuum device and the nitrogen filling device through pipelines. The unwinding shaft and the rewinding shaft are respectively driven to rotate by motors. A guide roller is provided between the unwinding shaft and the unwinding trimming device, and a guide roller is provided between the rewinding shaft and the rewinding trimming device. Outer box doors connecting the unwinding area and the rewinding area are respectively provided on both sides of the outer box, and an inner box door is provided on one side of the inner box.

[0004] The trimming knives are composed of two fixed blades, and the two blades in the same trimming knife are in a figure eight shape.

[0005] The height of the lower pressure roller is adjustable.

[0006] The two ends of the lower pressure roller are installed on both sides of the inner box through a rotating shaft. Both sides of the inner box are respectively provided with strip through holes for the rotating shaft of the lower pressure roller to pass through. After the rotating shaft passes through the strip through holes, they are connected to support rods through bearings. Cylinders are respectively provided under the support rods. The piston rods of the cylinders are vertically upward and fixedly connected to the support rods above. The cylinders are fixed in the outer box, and the length directions of the strip through holes are all vertical.

[0007] Baffles are fixed on the support rods, and the baffles are respectively attached to corresponding strip-shaped through holes.

[0008] A method for finishing aluminum alloy foil using an aluminum alloy foil finishing system comprises the following steps:

[0009] 1) The aluminum alloy foil to be processed is mounted on the unwinding shaft, and the aluminum alloy foil passes through the guide roller, the unwinding trimming device, the pressure roller mechanism, the winding trimming device, the guide roller, and then is wound up by the winding shaft;

[0010] 2) Close the inner and outer box doors, use a vacuum device to evacuate the inside of the outer box, and then use a nitrogen filling device to fill the outer box with nitrogen;

[0011] 3) The heating device in the inner box heats to 300-350℃. After keeping warm for 30-60 minutes, the motor drives the winding shaft to rotate actively, the unwinding shaft rotates passively, and the driving motor drives the upper pressure roller to rotate;

[0012] 4) After the aluminum alloy foil moves 5-10 meters toward the winding shaft, the winding shaft is driven, the motor drives the unwinding shaft to actively rotate in the opposite direction, the driving motor drives the upper pressure roller to rotate in the opposite direction, and the aluminum alloy foil moves 5-10 meters toward the unwinding shaft. The motor drives the winding shaft to actively rotate again, the unwinding shaft rotates passively, and the aluminum alloy foil moves 5-10 meters toward the winding shaft;

[0013] 5) Repeat step 4) 3-5 times until all the aluminum alloy foil on the unwinding shaft is processed;

[0014] 6) The heating device stops heating, the vacuum device extracts hot nitrogen from the outer box, and the nitrogen filling device adds cold nitrogen to the outer box. The nitrogen is used to cool the inside of the outer box. After the inside of the outer box is stabilized at 70-80℃ and the pressure is normal pressure, the vacuum device and the nitrogen filling device are stopped, and the outer door of the box is opened to complete the finishing of the aluminum alloy foil.

[0015] The beneficial effects of the present invention are as follows: the present invention can perform repeated finishing on the aluminum alloy foil, and the finished aluminum alloy foil has uniform performance, a smooth surface, precise thickness control, small internal stress, and no further annealing process is required. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a cross-sectional schematic diagram of the present invention;

[0017] Figure 2 It is a cross-sectional schematic diagram of another angle of the present invention;

[0018] Figure 3 It is a cross-sectional schematic diagram of another angle of the present invention;

[0019] Figure 4 It is a structural diagram of a trimming knife. DETAILED DESCRIPTION

[0020] The present invention will be further described with reference to the accompanying drawings.

[0021] Embodiment 1

[0022] like Figure 1-4 As shown, an aluminum alloy foil finishing system comprises a sealed outer box 1, an inner box 2 arranged in the outer box 1, and a pressing roller mechanism installed in the inner box 2, wherein the pressing roller mechanism is composed of a rotatable upper pressing roller 3 and a lower pressing roller 4, wherein the upper pressing roller 3 is driven to rotate by a driving motor, and the lower pressing roller 4 rotates freely, openings 5 ​​for the aluminum alloy foil to pass through are respectively arranged on both sides of the inner box 2, a heating device is installed in the inner box 2, an unwinding area 6 and a winding area 7 are arranged in the outer box 1, and the unwinding area 6 and the winding area 7 are respectively located on both sides of the inner box 2, an unwinding rotating shaft 8 and an unwinding trimming device 9 are installed in the unwinding area 6, a winding rotating shaft 10 and a winding trimming device 11 are installed in the winding area 7, and the unwinding trimming device 9 and the winding trimming device 11 are installed. The trimming devices 11 have the same structure. The unwinding trimming device 9 includes a trimming opening 12 for the aluminum alloy foil to pass through and trimming knives 13 installed on both sides of the trimming opening 12. The trimming openings 12 of the unwinding trimming device 9 and the winding trimming device 11 are respectively close to the openings 5 ​​on both sides of the inner box 2. The outer box 1 is respectively connected to a vacuum device 13 and a nitrogen filling device 14 through pipelines. The unwinding shaft 8 and the winding shaft 10 are respectively driven to rotate by motors. A guide roller 15 is provided between the unwinding shaft 8 and the unwinding trimming device 9, and a guide roller 15 is provided between the winding shaft 10 and the winding trimming device 11. Outer box doors 16 connecting the unwinding area 6 and the winding area 7 are respectively provided on both sides of the outer box 1, and an inner box door is provided on one side of the inner box 2.

[0023] Each trimming knife 13 is composed of two fixed blades 17 . The two blades 17 in the same trimming knife 13 are arranged in an "eight" shape to trim the aluminum alloy foil moving forward and backward, respectively.

[0024] The height of the lower pressing roller 4 is adjustable, so as to control the finishing thickness of the aluminum alloy foil.

[0025] The two ends of the lower pressure roller 4 are installed on both sides of the inner box 2 through the rotating shaft 18. The two sides of the inner box 2 are respectively provided with strip through holes 19 for the rotating shaft of the lower pressure roller 4 to pass through. After the rotating shaft 18 passes through the strip through holes 19, they are connected to support rods 20 through bearings. Cylinders 21 are respectively provided under the support rods 20. The piston rods of the cylinders 21 are vertically upward and fixedly connected to the upper support rods 20. The cylinders 21 are fixed in the outer box 1, and the length directions of the strip through holes 19 are all vertical.

[0026] Baffles are fixed on the support rods 20, and the baffles are respectively attached to the corresponding strip-shaped through holes 19. When the height of the lower pressure roller is adjusted, the baffles always block the strip-shaped through holes 19, reduce heat loss, and maintain the temperature in the inner box 2 stable.

[0027] Embodiment 2

[0028] like Figure 1-4As shown, a method for finishing aluminum alloy foil using an aluminum alloy foil finishing system comprises the following steps:

[0029] 1) The aluminum alloy foil to be processed is mounted on the unwinding shaft 8, and the aluminum alloy foil passes through the guide roller 15, the unwinding trimming device 9, the pressure roller mechanism, the winding trimming device 11, the guide roller 15 in sequence, and then is wound up by the winding shaft 10;

[0030] 2) Close the inner box door and the outer box door 16, use the vacuum device 13 to evacuate the inside of the outer box 1, and then use the nitrogen filling device 14 to fill the inner part of the outer box 1 with nitrogen;

[0031] 3) The heating device in the inner box 2 is heated to 300-350°C. After keeping warm for 30-60 minutes, the motor drives the winding shaft 10 to rotate actively, the unwinding shaft 8 to rotate passively, and the driving motor drives the upper pressing roller 3 to rotate;

[0032] 4) After the aluminum alloy foil moves 5-10 meters toward the winding shaft 10, the winding shaft 10 is driven, the motor drives the unwinding shaft 8 to rotate in the opposite direction, the driving motor drives the upper pressure roller 3 to rotate in the opposite direction, and the aluminum alloy foil moves 5-10 meters toward the unwinding shaft 8. The motor drives the winding shaft 10 to rotate actively again, the unwinding shaft 8 rotates passively, and the aluminum alloy foil moves 5-10 meters toward the winding shaft 10;

[0033] 5) Repeat step 4) 3-5 times until all the aluminum alloy foil on the unwinding shaft 8 is processed;

[0034] 6) The heating device stops heating, the vacuum device 13 extracts hot nitrogen from the outer box 1, and the nitrogen filling device 14 adds cold nitrogen to the outer box. The nitrogen is used to cool the inner part of the outer box 1. After the inner temperature of the outer box 1 is stabilized at 70-80°C and the pressure is normal pressure, the vacuum device 13 and the nitrogen filling device 14 are stopped, and the outer door 16 of the box is opened. The finishing of the aluminum alloy foil is completed.

[0035] The preferred specific embodiments of the present invention are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the present invention without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. Aluminum alloy foil finishing system A method for finishing aluminum alloy foil, characterized in that: The aluminum alloy foil finishing system comprises a sealed outer box, an inner box arranged in the outer box body, and a pressing roller mechanism installed in the inner box, wherein the pressing roller mechanism is composed of a rotatable upper pressing roller and a lower pressing roller, wherein the upper pressing roller is driven to rotate by a driving motor, and the lower pressing roller rotates freely, openings for the aluminum alloy foil to pass through are respectively arranged on both sides of the inner box, a heating device is installed in the inner box, an unwinding area and a winding area are arranged in the outer box, the unwinding area and the winding area are respectively located on both sides of the inner box, an unwinding rotating shaft and an unwinding trimming device are installed in the unwinding area, a winding rotating shaft and a winding trimming device are installed in the winding area, and the unwinding trimming device The unwinding trimming device has the same structure as the winding trimming device. The unwinding trimming device includes a trimming opening for the aluminum alloy foil to pass through and trimming knives installed on both sides of the trimming opening. The trimming openings of the unwinding trimming device and the winding trimming device are respectively close to the openings on both sides of the inner box. The outer box is respectively connected to a vacuum device and a nitrogen filling device through pipelines. The unwinding shaft and the winding shaft are respectively driven to rotate by a driving motor. A guide roller is provided between the unwinding shaft and the unwinding trimming device, and a guide roller is provided between the winding shaft and the winding trimming device. Outer box doors connecting the unwinding area and the winding area are respectively provided on both sides of the outer box, and an inner box door is provided on one side of the inner box. The method for finishing aluminum alloy foil comprises the following steps: 1) The aluminum alloy foil to be processed is installed on the unwinding shaft. The aluminum alloy foil passes through the guide roller, unwinding trimming device, pressure roller mechanism, winding trimming device, guide roller and then is wound up by the winding shaft; 2) Close the inner and outer box doors, use a vacuum device to evacuate the inside of the outer box, and then use a nitrogen filling device to fill the outer box with nitrogen; 3) The heating device in the inner box heats to 300-350℃. After keeping warm for 30-60 minutes, the motor drives the winding shaft to rotate actively, the unwinding shaft rotates passively, and the driving motor drives the upper pressure roller to rotate; 4) After the aluminum alloy foil moves 5-10 meters toward the winding shaft, the winding shaft rotates passively, the motor drives the unwinding shaft to rotate in the opposite direction, the driving motor drives the upper pressure roller to rotate in the opposite direction, and the aluminum alloy foil moves 5-10 meters toward the unwinding shaft. The motor drives the winding shaft to rotate actively again, the unwinding shaft rotates passively, and the aluminum alloy foil moves 5-10 meters toward the winding shaft. 5) Repeat step 4) 3-5 times until all the aluminum alloy foil on the unwinding shaft is processed; 6) The heating device stops heating, the vacuum device extracts hot nitrogen from the outer box, and the nitrogen filling device adds cold nitrogen to the outer box. The nitrogen is used to cool the inside of the outer box. After the inside of the outer box stabilizes at 70-80℃ and the pressure is normal pressure, stop the vacuum device and the nitrogen filling device, open the outer door of the box, and the aluminum alloy foil finishing is completed.

2. The method for finishing aluminum alloy foil by the aluminum alloy foil finishing system according to claim 1, characterized in that: The trimming knives are composed of two fixed blades, and the two blades in the same trimming knife form an eight-shaped shape.

3. The method for finishing aluminum alloy foil by the aluminum alloy foil finishing system according to claim 1, characterized in that: The height of the lower pressing roller is adjustable.

4. The method for finishing aluminum alloy foil by the aluminum alloy foil finishing system according to claim 3, characterized in that: The two ends of the lower pressure roller are installed on both sides of the inner box through a rotating shaft. Both sides of the inner box are respectively provided with strip through holes for the rotating shaft of the lower pressure roller to pass through. After the rotating shaft passes through the strip through holes, they are connected to support rods through bearings. Cylinders are respectively provided under the support rods. The piston rods of the cylinders are vertically upward and fixedly connected to the upper support rods. The cylinders are fixed in the outer box, and the length directions of the strip through holes are all vertical.

5. The method for finishing aluminum alloy foil by the aluminum alloy foil finishing system according to claim 4, characterized in that: Baffles are fixed on the support rods, and the baffles are respectively attached to corresponding strip-shaped through holes.

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