Evaporation coating equipment for manufacturing composite aluminum foil current collector

Abstract

The invention relates to the technical field of coating equipment, and provides evaporation coating equipment for manufacturing a composite aluminum foil current collector, the evaporation coating equipment comprises a supporting seat, a shell is mounted in the middle of the supporting seat, an electric heating tube is mounted in the shell, a heat conducting plate is arranged above the electric heating tube, a supporting rod is welded on the supporting seat, and the supporting rod is welded on the supporting seat. A first connecting plate is welded to the top of the supporting rod, a second connecting plate is installed on the first connecting plate, a first connecting shell is fixedly arranged on the second connecting plate, a second connecting shell is arranged in the first connecting shell, a connecting rod is fixedly connected in the second connecting shell, a crucible is fixedly arranged on the connecting rod, and a first connecting rod is fixedly arranged on the connecting rod. And communicating pipes are mounted on the first connecting shell and the second connecting shell. By means of the technical scheme, the problems that an existing coating device cannot ensure that the temperature in the device is uniform, and an aluminum foil base material cannot be turned over to conduct evaporation coating work are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of coating equipment, and specifically, to an evaporation coating equipment for manufacturing a composite aluminum foil current collector. Background Art

[0002] Composite aluminum foil current collectors are widely used in fields such as batteries and electronic components, especially in the electrode materials of lithium batteries and supercapacitors, because they have high electrical conductivity, good mechanical properties, and light weight. When manufacturing a composite aluminum foil current collector, it is usually necessary to deposit a thin metal film on the surface of the aluminum foil through evaporation coating technology to improve its electrical conductivity, corrosion resistance, and adaptability to the electrolyte. Evaporation coating is a technology that evaporates metal materials in a high-vacuum environment by means of a heat source or an electron beam and deposits them on the surface of a substrate. Existing evaporation coating equipment still has some deficiencies.

[0003] For example, the invention patent with the publication number CN116043169A discloses an evaporation coating equipment, including: a vacuum part, which forms a vacuum chamber, and the vacuum part includes a first adjusting member for adjusting the vacuum degree of the vacuum chamber; an evaporation part, which forms an evaporation chamber, and the evaporation part includes a second adjusting member for adjusting the vacuum degree of the evaporation chamber; a first communication part, which is arranged between the vacuum part and the evaporation part, and the first communication part forms a first channel, and both the vacuum chamber and the evaporation chamber communicate with the first channel; a first gate, which is arranged on the first communication part for conducting or blocking the first channel. The evaporation coating equipment provided by the present invention can maintain the environmental stability of the vacuum chamber during use, reduce the workload of vacuum degree adjustment, is beneficial to improving production continuity and production efficiency, improving film formation quality and production yield, and reducing production costs. However, existing coating equipment cannot ensure uniform temperature inside the device during use, and cannot flip the aluminum foil substrate for evaporation coating work, nor can it switch between opening the cover plate and reversing the aluminum foil substrate. Summary of the Invention

[0004] The present invention provides an evaporation coating equipment for manufacturing a composite aluminum foil current collector, which solves the problems that existing coating equipment cannot ensure uniform temperature inside the device and cannot flip the aluminum foil substrate for evaporation coating work.

[0005] The technical solution of the present invention is as follows:

[0006] An evaporation coating device for manufacturing a composite aluminum foil current collector, comprising a support base, with a housing installed in the middle of the support base, an electric heating tube installed inside the housing, a heat conducting plate arranged above the electric heating tube, a support rod welded on the support base, a first connecting plate welded at the top of the support rod, a second connecting plate installed on the first connecting plate, a first connecting shell fixedly arranged on the second connecting plate, a second connecting shell arranged inside the first connecting shell, an adapter rod fixedly connected inside the second connecting shell, a crucible fixedly arranged on the adapter rod, a communicating pipe installed on the first connecting shell and the second connecting shell, a connecting component installed on the first connecting shell, a switching component installed on the connecting component, a second motor installed on the switching component, a rotating rod connected to the output shaft of the second motor, an aluminum foil substrate wound around the outside of the rotating rod, a first motor installed on the first connecting shell, a connecting frame fixedly connected to the output shaft of the first motor, the connecting frame being fixedly connected to the second motor, and an adjusting component and a second extension plate installed on the switching component.

[0007] As a preferred solution of the present invention, the support base, the support rod and the first connecting plate are fixedly connected into an integral structure, and the central axes of the first connecting plate, the second connecting plate, the first connecting shell and the second connecting shell are all collinear.

[0008] As a preferred solution of the present invention, an adapter component is installed between the first connecting plate and the second connecting plate. The adapter component includes a rotating block rotatably installed on the first connecting plate. A first groove is formed on the rotating block. A guide rod is fixedly connected to the inner wall of the first groove. A damping clamping block is slidably installed on the outside of the guide rod. A second groove is formed on the second connecting plate.

[0009] As a preferred solution of the present invention, the height of the rotating block is the same as the height of the second connecting plate. The height of the damping clamping block is less than the height of the rotating block. The upper surfaces of the damping clamping block, the rotating block and the second connecting plate are all flush. The second connecting plate and the first connecting plate form a clamping structure through the damping clamping block and the second groove.

[0010] As a preferred solution of the present invention, the communicating pipe penetrates through the inside of the first connecting shell, and the inside of the communicating pipe is communicated with the inside of the second connecting shell.

[0011] As a preferred solution of the present invention, the connection component includes a first connection cover fixedly connected to the first connection shell, a second connection cover fixedly connected to the second connection shell, a first connection plate rotatably installed on the first connection cover, a second connection plate rotatably installed on the second connection cover, a communication groove is formed on the second connection plate, and a first extension plate is arranged inside the communication groove.

[0012] As a preferred solution of the present invention, the switching component includes a first fixing plate fixedly connected to the first connection cover, a second fixing plate fixedly connected to the first extension plate, a sliding rod is slidably installed inside the first fixing plate and the second fixing plate, a support block is fixedly connected to the sliding rod, and a first spring is fixedly connected between the support block and the first fixing plate.

[0013] As a preferred solution of the present invention, the second fixing plate and the second motor are fixedly connected, and the first extension plate is flush with the lower surface of the second fixing plate.

[0014] As a preferred solution of the present invention, the upper surface of the support block is set as an inclined surface, and the first extension plate and the first connection cover form a clamping structure through the first fixing plate, the second fixing plate and the sliding rod.

[0015] As a preferred solution of the present invention, the adjusting component includes a first guide rod and a second guide rod fixedly connected to the second fixing plate, a movable block is slidably installed on the outer sides of the first guide rod and the second guide rod, pressing rods are fixedly connected to both sides of the movable block, and a second spring and an electric push rod are arranged between the movable block and the second fixing plate.

[0016] The working principle and beneficial effects of the present invention are as follows:

[0017] 1. Through the first connection shell, the second connection shell and the heat conducting plate provided, it can be seen from Figure 8 that since the second connection shell is located inside the heat conducting plate, the cavity between the outer side of the second connection shell and the first connection shell can also be heated by the heat conducting plate. Since the temperature near the edge of the heat conducting plate is relatively low, by setting the second connection shell close to the middle of the heat conducting plate, the temperature of the crucible can be ensured to be uniform, so that the alloy material can be uniformly heated, improving the coating effect of the device and solving the problem that the existing coating equipment cannot ensure the uniform temperature inside the device.

[0018] 2. Through the connection components and switching components on the device, when the first fixed plate and the second fixed plate on the switching component are butted, the connecting frame can be driven by the first motor to rotate, thereby pulling the second motor to do circular motion, enabling the device to conveniently open the first connection cover and the second connection cover. When the first fixed plate and the second fixed plate are not butted, the connecting frame and the first fixed plate can be driven by the first motor to do circular motion. At this time, the first fixed plate can cooperate with the second connecting plate to rotate. Under the action of the first extension plate and the second extension plate, the top of the device always remains sealed, so that the device can change the angle of the rotating rod while maintaining the sealed state, enabling the aluminum foil substrate to be flipped during the coating process, ensuring that both sides of the aluminum foil can be coated. And when flipping the aluminum foil, the rotating rod can be driven by the second motor to rotate, enabling the aluminum foil to be unfolded or wound, enhancing the working efficiency of the device during coating. This device can not only flip the aluminum foil substrate for evaporation coating work, but also switch between opening the cover plate and reversing the aluminum foil substrate, and has the advantage of stronger practicability.

[0019] 3. Through the provided connection component, the first connecting plate and the second connecting plate can be stably butted to ensure that the bottom of the device remains closed. When the device is in a negative pressure state, the damping block can be moved to the inside of the second groove after rotating the rotating block by 90°, so that the second connecting plate can maintain the clamped state, enhancing the stability of the device during operation. At the same time, it is also convenient to remove the second connecting plate from the device subsequently, enhancing the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0021] Figure 1 is the overall structural schematic diagram of an evaporation coating device for manufacturing a composite aluminum foil current collector of the present invention;

[0022] Figure 2 is Figure 1 the enlarged schematic diagram of the structure at A in

[0023] Figure 3 is the connection schematic diagram of the support seat and the housing of the present invention;

[0024] Figure 4 is the connection structure schematic diagram of the first motor and the connecting frame of the present invention;

[0025] Figure 5 is the internal structure schematic diagram of the second connection shell of the present invention;

[0026] Figure 6 is the connection structure schematic diagram of the first extension plate and the second fixed plate of the present invention;

[0027] Figure 7 is Figure 6 An enlarged schematic view of the structure at position B in

[0028] Figure 8 is a schematic view of the connection structure between the connecting rod and the crucible of the present invention;

[0029] Figure 9 is a schematic view of the connection structure between the first connecting plate and the second connecting plate of the present invention;

[0030] Figure 10 is Figure 9 An enlarged schematic view of the structure at position C in

[0031] Reference numerals: 1, support base; 2, outer shell; 3, support rod; 4, first connecting plate; 5, second connecting plate; 6, first connecting shell; 7, connecting component; 701, rotating block; 702, first groove; 703, guide rod; 704, damping block; 705, second groove; 8, second connecting shell; 9, electric heating tube; 10, heat conducting plate; 11, connecting rod; 12, crucible; 13, communicating pipe; 14, connecting component; 1401, first connecting cover; 1402, second connecting cover; 1403, first connecting plate; 1404, second connecting plate; 1405, communicating groove; 1406, first extension plate; 15, first motor; 16, connecting frame; 17, switching component; 1701, first fixing plate; 1702, second fixing plate; 1703, sliding rod; 1704, support block; 1705, first spring; 18, second motor; 19, rotating rod; 20, aluminum foil substrate; 21, adjusting component; 2101, first guide rod; 2102, movable block; 2103, pressing rod; 2104, second guide rod; 2105, second spring; 2106, electric push rod; 22, second extension plate. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0033] Embodiment 1

[0034] As Figures 1 - 10As shown in the figure, this embodiment proposes an evaporation coating device for manufacturing a composite aluminum foil current collector, including a support base 1. An outer shell 2 is installed in the middle of the support base 1. An electric heating tube 9 is installed inside the outer shell 2. A heat conducting plate 10 is arranged above the electric heating tube 9. A support rod 3 is welded on the support base 1. A first connecting plate 4 is welded at the top of the support rod 3. A second connecting plate 5 is installed on the first connecting plate 4. A first connecting shell 6 is fixedly arranged on the second connecting plate 5. A second connecting shell 8 is arranged inside the first connecting shell 6. A connecting rod 11 is fixedly connected inside the second connecting shell 8. A crucible 12 is fixedly arranged on the connecting rod 11. A communicating pipe 13 is installed on the first connecting shell 6 and the second connecting shell 8. A connecting component 14 is installed on the first connecting shell 6. A switching component 17 is installed on the connecting component 14. A second motor 18 is installed on the switching component 17. A rotating rod 19 is connected to the output shaft of the second motor 18. The aluminum foil substrate 20 is wound around the outside of the rotating rod 19. The heat conducting plate 10 is heated by the electric heating tube 9 inside the outer shell 2. Since the cavity between the first connecting shell 6 and the second connecting shell 8 is exactly located at the edge of the heat conducting plate 10, it can not only ensure the heat insulation effect of the device, but also keep the temperature inside the second connecting shell 8 uniform. A first motor 15 is installed on the first connecting shell 6. A connecting frame 16 is fixedly connected to the output shaft of the first motor 15. The connecting frame 16 is fixedly connected to the second motor 18. An adjusting component 21 and a second extension plate 22 are installed on the switching component 17. The adjusting component 21 cooperates with the switching component 17 to enable the device to switch between two functions: opening the gas channel at the top of the device and changing the angle of the aluminum foil substrate 20 inside the device. By changing the angle of the aluminum foil substrate 20, the device can coat the aluminum foil substrate 20 from both the front and back sides, improving the working efficiency of the device. At the same time, the device can drive the rotating rod 19 to rotate through the second motor 18, so as to wind or unwind the aluminum foil substrate 20 for coating.

[0035] Embodiment 2

[0036] As Figures 1 - 10 shown, based on the same concept as the above Embodiment 1, this embodiment also proposes an evaporation coating device for manufacturing a composite aluminum foil current collector.

[0037] In this embodiment, the support base 1, the support rod 3 and the first connecting plate 4 are fixedly connected as an integral structure, so that the whole device can be stably supported. The central axes of the first connecting plate 4, the second connecting plate 5, the first connecting shell 6 and the second connecting shell 8 are all collinear, ensuring the stability of the whole device.

[0038] In this embodiment, a connection component 7 is installed between the first connection plate 4 and the second connection plate 5. The connection component 7 includes a rotating block 701 rotatably installed on the first connection plate 4. A first groove 702 is formed in the rotating block 701. A guide rod 703 is fixedly connected to the inner wall of the first groove 702. A damping block 704 is slidably installed on the outer side of the guide rod 703. A second groove 705 is formed in the second connection plate 5. By rotating the rotating block 701 in Figure 10 by 90°, and then sliding the damping block 704 on the outer side of the guide rod 703, the damping block 704 will move into the second groove 705. At this time, the first connection plate 4 and the second connection plate 5 are kept in a clamped state, so that the device is easy to disassemble while ensuring the sealing effect of the device.

[0039] In this embodiment, the height of the rotating block 701 is the same as the height of the second connection plate 5. The height of the damping block 704 is less than the height of the rotating block 701. The upper surfaces of the damping block 704, the rotating block 701 and the second connection plate 5 are flush. The second connection plate 5 and the first connection plate 4 form a clamping structure through the damping block 704 and the second groove 705. Through the clamping structure on the device, the first connection plate 4 and the second connection plate 5 can be stably butted. After the two connection plates are butted, the sealing effect of the device can be ensured, so that the device can be coated in a closed state.

[0040] In this embodiment, the connecting pipe 13 passes through the inside of the first connection shell 6. The connecting pipe 13 is communicated with the inside of the second connection shell 8. The mutually communicated connecting pipe 13 and the second connection shell 8 are convenient for connecting an external negative pressure device later to evacuate the inside of the device to a vacuum for coating work.

[0041] In this embodiment, the connection component 14 includes a first connection cover 1401 fixedly connected to the first connection shell 6. A second connection cover 1402 is fixedly connected to the second connection shell 8. A first connection plate 1403 is rotatably installed on the first connection cover 1401. A second connection plate 1404 is rotatably installed on the second connection cover 1402. A communication groove 1405 is formed in the second connection plate 1404. A first extension plate 1406 is arranged inside the communication groove 1405. The first connection plate 1403 can rotate on the first connection cover 1401, and the second connection plate 1404 can rotate on the second connection cover 1402, so as to adjust the communication and closing states at the top of the device later. The device can keep the first connection plate 1403 stationary and open the second connection plate 1404. The first extension plate 1406 in the communication groove 1405 keeps the device closed, which is convenient for adjusting the angle of the aluminum foil inside the device later.

[0042] In this embodiment, the switching component 17 includes a first fixing plate 1701 fixedly connected to the first connecting cover 1401. A second fixing plate 1702 is fixedly connected to the first extension plate 1406. A sliding rod 1703 is slidably installed in the first fixing plate 1701 and the second fixing plate 1702. A support block 1704 is fixedly connected to the sliding rod 1703. A first spring 1705 is fixedly connected between the support block 1704 and the first fixing plate 1701. When the sliding rod 1703 moves into the first fixing plate 1701, the first spring 1705 between the support block 1704 and the first fixing plate 1701 will be compressed, so that the first fixing plate 1701 and the second fixing plate 1702 on the device are butted, so as to synchronously adjust the first connecting cover 1401 and the first extension plate 1406 subsequently, enabling the device to switch between opening the communication channel and changing the angle of the aluminum foil.

[0043] In this embodiment, the second fixing plate 1702 is fixedly connected to the second motor 18. The first extension plate 1406 is flush with the lower surface of the second fixing plate 1702. The first extension plate 1406 can move synchronously with the second fixing plate 1702. The second motor 18 can wind or unwind the aluminum foil to ensure uniform aluminum foil coating and enhance the practicability of the device.

[0044] In this embodiment, the upper surface of the support block 1704 is set as an inclined surface. The first extension plate 1406 and the first connecting cover 1401 form a clamping structure through the first fixing plate 1701, the second fixing plate 1702 and the sliding rod 1703. The clamping structure on the device enables the first fixing plate 1701 and the second fixing plate 1702 to be stably butted, so that the first extension plate 1406 and the first connecting cover 1401 are butted, facilitating the subsequent opening of the closed structure at the top of the device.

[0045] In this embodiment, the adjusting component 21 includes a first guide rod 2101 and a second guide rod 2104 fixedly connected to the second fixing plate 1702. A movable block 2102 is slidably installed on the outer sides of the first guide rod 2101 and the second guide rod 2104. Pressing rods 2103 are fixedly connected to both sides of the movable block 2102. A second spring 2105 and an electric push rod 2106 are arranged between the movable block 2102 and the second fixing plate 1702. By shortening the electric push rod 2106, the movable block 2102 moves downward along the first guide rod 2101 and the second guide rod 2104, and then the second spring 2105 is compressed. The pressing rod 2103 can subsequently make the second fixing plate 1702 and the first fixing plate 1701 butted, enhancing the convenience of the device during use.

[0046] Specifically, the present invention is an evaporation coating device for manufacturing a composite aluminum foil current collector. First, as Figures 1 - 7As shown in the figure, first place the metal or alloy material in the crucible 12 on the connecting rod 11, evacuate the interior of the second connecting shell 8 to a vacuum state through the connecting pipe 13 on the first connecting shell 6 and the second connecting shell 8, and then heat the heat conducting plate 10 through the electric heating tube 9 in the outer shell 2. Since the cavity between the first connecting shell 6 and the second connecting shell 8 is exactly located at the edge of the heat conducting plate 10, the cavity between the first connecting shell 6 and the second connecting shell 8 remains at a high temperature. Because the temperature at the edge of the heat conducting plate 10 is relatively low, the double-layer structure composed of the first connecting shell 6 and the second connecting shell 8 can not only ensure the heat insulation effect of the device, but also keep the temperature in the second connecting shell 8 uniform. The adjusting component 21 cooperates with the switching component 17 to enable the device to switch between opening the gas channel at the top of the device and changing the angle of the aluminum foil substrate 20 in the device. The second connecting plate 1404 can rotate on the second connecting cover 1402, and the first connecting plate 1403 can rotate on the first connecting cover 1401 to adjust the connection and closing state at the top of the device. The device can keep the first connecting plate 1403 stationary and open the second connecting plate 1404. When the second connecting plate 1404 rotates, the second extension plate 22 will gradually move into the inside of the connecting groove 1405. The first extension plate 1406 and the second extension plate 22 in the connecting groove 1405 can keep the top of the device closed. When the second connecting plate 1404 moves, the angle of the second fixing plate 1702 will change to facilitate subsequent adjustment of the angles of the second motor 18, the rotating rod 19 and the aluminum foil substrate 20 on their surfaces. As Figure 2 and Figure 7 shown in the figure, by shortening the electric push rod 2106, the movable block 2102 moves downward along the first guide rod 2101 and the second guide rod 2104, so that the second spring 2105 is compressed, the pressing rod 2103 abuts against the inclined surface of the support block 1704, the sliding rod 1703 moves into the first fixing plate 1701, and the first spring 1705 between the support block 1704 and the first fixing plate 1701 is compressed, so that the first fixing plate 1701 and the second fixing plate 1702 are butted. At this time, when the first motor 15 drives the connecting frame 16 to rotate, the first connecting cover 1401 and the first extension plate 1406 can be adjusted synchronously. After the electric push rod 2106 is extended, the first spring 1705 makes the sliding rod 1703 disengage from the first fixing plate 1701, and the second fixing plate 1702 and the first fixing plate 1701 are disengaged from the butt joint. At this time, the angle of the aluminum foil substrate 20 in the device can be changed while the top of the device remains closed. By changing the angle of the aluminum foil substrate 20, the device can coat the aluminum foil substrate 20 from both the front and the back. At the same time, the device drives the rotating rod 19 to rotate through the second motor 18, so as to wind or unwind the aluminum foil substrate 20 for coating.

[0047] As Figures 8 - 10As shown, when in use, the device can rotate the rotating block 701 by 90°, and then slide the damping block 704 outside the guide rod 703 to move the damping block 704 into the interior of the second groove 705. At this time, the first connecting plate 4 and the second connecting plate 5 remain in a clamped state, so that while the device is easy to disassemble, the sealing effect of the device is ensured. Subsequently, the damping block 704 can be slid out of the interior of the second groove 705 according to the reverse steps described above, and then the second connecting plate 5 can be removed from the first connecting plate 4.

[0048] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. An evaporation coating device for manufacturing a composite aluminum foil current collector, comprising a support base (1), characterized in that: The middle of the support base (1) is equipped with a housing (2), an electric heating tube (9) is installed inside the housing (2), a heat conducting plate (10) is arranged above the electric heating tube (9), a support rod (3) is welded on the support base (1), a first connecting plate (4) is welded on the top of the support rod (3), a second connecting plate (5) is installed on the first connecting plate (4), a first connecting shell (6) is fixedly arranged on the second connecting plate (5), a second connecting shell (8) is arranged inside the first connecting shell (6), a connecting rod (11) is fixedly connected inside the second connecting shell (8), a crucible (12) is fixedly arranged on the connecting rod (11), a communicating pipe (13) is installed on the first connecting shell (6) and the second connecting shell (8), a connecting component (14) is installed on the first connecting shell (6), a switching component (17) is installed on the connecting component (14), a second motor (18) is installed on the switching component (17), a rotating rod (19) is connected to the output shaft of the second motor (18), an aluminum foil substrate (20) is wound around the outside of the rotating rod (19), a first motor (15) is installed on the first connecting shell (6), a connecting frame (16) is fixedly connected to the output shaft of the first motor (15), and the connecting frame (16) is fixedly connected to the second motor (18), and an adjusting component (21) and a second extension plate (22) are installed on the switching component (17).

2. The evaporation coating device for manufacturing a composite aluminum foil current collector according to claim 1, characterized in that, The support base (1), the support rod (3) and the first connecting plate (4) are fixedly connected into an integral structure, and the central axes of the first connecting plate (4), the second connecting plate (5), the first connecting shell (6) and the second connecting shell (8) are collinear.

3. The evaporation coating equipment for manufacturing a composite aluminum foil current collector according to claim 1, characterized in that, An engaging component (7) is installed between the first connecting plate (4) and the second connecting plate (5). The engaging component (7) includes a rotating block (701) rotatably installed on the first connecting plate (4). A first groove (702) is formed in the rotating block (701). A guiding rod (703) is fixedly connected to the inner wall of the first groove (702). A damping clamping block (704) is slidably installed on the outside of the guiding rod (703). A second groove (705) is formed in the second connecting plate (5).

4. The evaporation coating device for manufacturing a composite aluminum foil current collector according to claim 3, wherein, The height of the rotating block (701) is the same as the height of the second connecting plate (5). The height of the damping clamping block (704) is less than the height of the rotating block (701). The upper surfaces of the damping clamping block (704), the rotating block (701) and the second connecting plate (5) are flush. The second connecting plate (5) and the first connecting plate (4) form a clamping structure through the damping clamping block (704) and the second groove (705).

5. The evaporation coating equipment for manufacturing a composite aluminum foil current collector according to claim 1, characterized in that, The communicating pipe (13) penetrates through the inside of the first connecting shell (6), and the inside of the communicating pipe (13) is communicated with the inside of the second connecting shell (8).

6. The evaporation coating equipment for manufacturing a composite aluminum foil current collector according to claim 1, characterized in that, The connection component (14) includes a first connection cover (1401) fixedly connected to the first connection shell (6), a second connection cover (1402) fixedly connected to the second connection shell (8), a first connection plate (1403) rotatably installed on the first connection cover (1401), a second connection plate (1404) rotatably installed on the second connection cover (1402), a communication groove (1405) formed in the second connection plate (1404), and a first extension plate (1406) disposed inside the communication groove (1405).

7. An evaporation coating device for manufacturing a composite aluminum foil current collector according to claim 6, characterized in that, The switching component (17) includes a first fixing plate (1701) fixedly connected to the first connection cover (1401), a second fixing plate (1702) fixedly connected to the first extension plate (1406), a sliding rod (1703) slidably installed inside the first fixing plate (1701) and the second fixing plate (1702), a support block (1704) fixedly connected to the sliding rod (1703), and a first spring (1705) fixedly connected between the support block (1704) and the first fixing plate (1701).

8. The evaporation coating device for manufacturing a composite aluminum foil current collector according to claim 7, wherein, The second fixing plate (1702) is fixedly connected to the second motor (18), and the lower surface of the first extension plate (1406) is flush with the second fixing plate (1702).

9. An evaporation coating device for manufacturing a composite aluminum foil current collector according to claim 7, characterized in that, The upper surface of the support block (1704) is provided as an inclined surface, and the first extension plate (1406) and the first connection cover (1401) form a latching structure through the first fixing plate (1701), the second fixing plate (1702), and the sliding rod (1703).

10. The evaporation coating device for manufacturing a composite aluminum foil current collector according to claim 7, wherein: The adjusting component (21) includes a first guide rod (2101) and a second guide rod (2104) fixedly connected to the second fixing plate (1702), a movable block (2102) slidably installed on the outer sides of the first guide rod (2101) and the second guide rod (2104), pressure rods (2103) fixedly connected to both sides of the movable block (2102), and a second spring (2105) and an electric push rod (2106) disposed between the movable block (2102) and the second fixing plate (1702).

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