Device for recovering copper foil in battery pole piece

Abstract

The utility model discloses a recovery device for copper foil in a battery pole piece. The recovery device comprises a box body, at least one lifting basket, an ultrasonic cleaning mechanism, a drying mechanism and a transferring mechanism, the box body is provided with a cleaning tank and a drying tank which are not communicated with each other; the ultrasonic cleaning mechanism comprises a first basket fixing piece, and the drying mechanism comprises a second basket fixing piece; and the transfer mechanism is used for transferring the lifting baskets between the cleaning tank and the drying tank. The technical scheme provided by the utility model has the beneficial effects that the lifting baskets automatically enter the cleaning tank and are automatically transferred into the drying tank through the transfer mechanism, the lifting baskets do not need to be transferred manually, and the transfer efficiency of the lifting baskets is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pole piece recycling, in particular to a device for recycling copper foil in battery pole pieces. Background Art

[0002] The main component of the battery pole piece is copper foil coated with carbon powder. When the battery pole piece is recycled, it is difficult to separate the carbon powder from the copper foil, which makes it difficult to recycle high-purity copper foil. Only high-purity copper foil has high economic value. Therefore, how to effectively separate the carbon powder on the copper foil of the battery pole piece to obtain high-purity copper foil is a technical problem that needs to be solved in this field.

[0003] Currently, there is a copper foil recycling method, which involves placing battery pole fragments into a basket, and then placing the basket into an ultrasonic cleaning tank for ultrasonic cleaning to separate the carbon powder attached to the surface of the copper foil. After cleaning, the basket is transferred to a drying tank for drying. However, the transfer of the basket is currently mainly done manually, and the efficiency of the basket transfer is low. Utility Model Content

[0004] In view of this, it is necessary to provide a copper foil recovery device for battery pole pieces to solve the technical problem that the basket transfer is currently mainly carried out manually and the basket transfer efficiency is low.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a copper foil recovery device for battery pole pieces, comprising a box body, at least one basket, an ultrasonic cleaning mechanism, a drying mechanism and a transfer mechanism;

[0006] The box body has a cleaning tank and a drying tank which are not connected to each other;

[0007] The basket is used to load battery pole piece fragments;

[0008] The ultrasonic cleaning mechanism comprises a first basket fixing member, which is disposed in the cleaning tank and is used to fix the basket;

[0009] The drying mechanism comprises a second basket fixing member, which is arranged in the drying tank and used to fix the basket;

[0010] The transfer mechanism is used to transfer the basket between the cleaning tank and the drying tank.

[0011] In some embodiments, the transfer mechanism includes a guide rail, a walking trolley, a telescopic drive component and an adsorption component. The guide rail is arranged above the box body, the walking trolley can actively move on the guide rail, one end of the telescopic drive component is fixed to the walking trolley, and the other end of the telescopic drive component is connected to the adsorption component, and the adsorption component is used to adsorb the basket.

[0012] In some embodiments, the adsorption member includes an arc sleeve and a plurality of electromagnets. The curvature of the arc sleeve is the same as that of the basket. The basket is made of iron, so that the arc sleeve can be easily attached to the side wall of the basket. The electromagnets are evenly fixed on the arc sleeve.

[0013] In some embodiments, the ultrasonic cleaning mechanism also includes a first rotating driving member and an ultrasonic generator, wherein the first rotating driving member is connected to the first basket fixing member and is used to drive the first basket fixing member to rotate, and the ultrasonic generator is arranged in the cleaning tank and facing the first basket fixing member.

[0014] In some embodiments, the first basket fixing component includes two first fixing plates, a plurality of first limiting rods and a first locking telescopic component. The two first fixing plates are rotatably disposed in the box body, and the two ends of each first limiting rod are respectively fixed to the two first fixing plates. The first limiting rods enclose a first accommodating space for placing the basket. The fixed end of the first locking telescopic component is fixed to the first fixing plate, and the movable end of the first locking telescopic component is used to clamp the basket located in the first accommodating space.

[0015] In some embodiments, a first rotating shaft is rotatably provided on the inner wall of the box body, and the first fixed plate is fixed on the first rotating shaft; the first rotating driving member includes a first driven gear, a first driving gear and a first motor, the first driven gear is coaxially fixedly sleeved on the first rotating shaft, the first driving gear is meshed with the first driven gear, the first motor is connected to the first driving gear and is used to drive the first driving gear to rotate, thereby driving the first driven gear to rotate, and the first driven gear drives the first rotating shaft and the first fixed plate to rotate.

[0016] In some embodiments, the drying mechanism also includes a second rotating driving member and a hot air conveying member, the second rotating driving member is connected to the second basket fixing member and is used to drive the second basket fixing member to rotate, and the hot air conveying member is arranged in the cleaning tank and is arranged toward the second basket fixing member.

[0017] In some embodiments, the second basket fixing member includes two second fixed disks, a plurality of second limiting rods and a second locking telescopic member. The two second fixed disks are rotatably disposed in the drying tank, and the two ends of each second limiting rod are respectively fixed to the two second fixed disks. Each second limiting rod encloses a second storage space for placing the basket; the fixed end of the second locking telescopic member is fixed to the second fixed disk, and the movable end of the second locking telescopic member is used to clamp the basket located in the second storage space.

[0018] In some embodiments, a second rotating shaft is rotatably provided on the inner wall of the box body, and the second fixed plate is fixed on the second rotating shaft; the second rotating driving member includes a second driven gear, a second driving gear and a second motor, the second driven gear is coaxially fixedly sleeved on the second rotating shaft, the second driving gear is meshed with the second driven gear, the second motor is connected to the second driving gear and is used to drive the second driving gear to rotate, thereby driving the second driven gear to rotate, and the second driven gear drives the second rotating shaft and the second fixed plate to rotate.

[0019] In some embodiments, the copper foil recovery device in the battery electrode further includes a first operating conveyor belt, a second operating conveyor belt and a transfer conveyor belt, the first operating conveyor belt is used to place an empty basket, the second operating conveyor belt is arranged on the side of the drying tank, the feed end of the transfer conveyor belt is connected to the discharge end of the second operating conveyor belt, and the discharge end of the transfer conveyor belt is connected to the feed end of the first operating conveyor belt.

[0020] Compared with the prior art, the technical solution proposed by the utility model has the following beneficial effects: the battery pole piece fragments are loaded into the basket, the walking trolley moves to the top of the basket, the telescopic driving member is extended, the adsorption member is contacted with the basket, and the basket is adsorbed by the adsorption member, then the telescopic driving member is shortened, the walking trolley moves to the top of the cleaning tank, the telescopic driving member is extended, the basket is contacted with the first basket fixing member, then the basket is fixed by the first basket fixing member, and the adsorption member is released, and then the basket is driven to rotate by the first rotating driving member, so that the battery pole pieces are fully mixed in the basket, and the ultrasonic generator is turned on to ultrasonically clean the copper foil in the basket, so that the copper foil in the basket can be evenly ultrasonically treated, and the carbon powder separation speed on the surface of the copper foil is improved; after the ultrasonic cleaning is completed, the basket is adsorbed by the adsorption member, and the first basket fixing member is released, and the basket is transferred to the second basket fixing member in the drying tank according to the same method, and the copper foil in the basket is dried by the hot air conveying member to obtain recyclable copper foil. The utility model realizes that the basket automatically enters the cleaning tank and is automatically transferred to the drying tank through the transfer mechanism, and there is no need to manually transfer the basket, which greatly improves the transfer efficiency of the basket. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of an embodiment of a copper foil recovery device in a battery pole piece provided by the utility model;

[0022] Figure 2 yes Figure 1 A schematic diagram of the structure of an ultrasonic cleaning mechanism (the basket is in the closed state);

[0023] Figure 3 yes Figure 2A three-dimensional structural diagram of an ultrasonic cleaning mechanism (the basket is in the open state);

[0024] Figure 4 yes Figure 1 A structural schematic diagram of a drying mechanism in FIG.

[0025] Figure 5 yes Figure 1 A schematic diagram of the structure of a transfer mechanism;

[0026] Figure 6 yes Figure 1 A plan view of the first operating conveyor belt and the second operating conveyor belt;

[0027] In the figure: 1-cleaning box, 11-cleaning tank, 12-drain outlet, 13-partition, 14-drying tank, 2-basket, 21-basket body, 22-basket cover, 3-ultrasonic cleaning mechanism, 31-first basket fixing member, 311-first fixing plate, 312-first limit rod, 313-first rotating shaft, 314-first locking telescopic member, 32-first rotating driving member, 321-first driven gear, 322-first driving gear, 323-first motor, 33-ultrasonic generator, 4-filter, 5-filter press, 6-circulation mechanism, 61-circulation pump, 62-buffer tank, 63-circulation Tube, 7-drying mechanism, 71-second basket fixing member, 711-second fixing plate, 712-second limiting rod, 713-second rotating shaft, 714-second locking telescopic member, 72-second rotating driving member, 721-second driven gear, 722-second driving gear, 723-second motor, 73-hot air conveying member, 731-hot air conveying pipe, 8-transfer mechanism, 81-guide rail, 82-traveling trolley, 83-telescopic driving member, 84-adsorption member, 841-arc sleeve, 842-electromagnet, 91-first operating conveyor belt, 92-second operating conveyor belt, 93-transfer conveyor belt. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0029] Please refer to Figure 1-Figure 6 The utility model provides a basket-type battery pole piece recovery device, comprising a box body 1, at least one basket 2, an ultrasonic cleaning mechanism 3, a filter element 4, a filter press 5, a circulation mechanism 6, a drying mechanism 7 and a transfer mechanism 8.

[0030] The housing 1 has a cleaning tank 11 and a drying tank 14 which are not connected to each other. A drain port 12 connected to the cleaning tank 11 is provided at the lower end of the housing 1. In this embodiment, the cleaning tank 11 is used to be filled with clean water.

[0031] The basket 2 is used to load the battery electrode fragments; the basket 2 is made of a screen material with a mesh diameter of 1 mm, thereby allowing carbon powder and a small number of small-sized copper foil fragments to pass through, while most of the copper foil is larger than 1 mm in size and can be retained in the basket 2.

[0032] The ultrasonic cleaning mechanism 3 includes a first basket fixing member 31, a first rotating driving member 32 and an ultrasonic generator 33. The first basket fixing member 31 is arranged in the cleaning tank 11 and is used to fix the basket 2. The first rotating driving member 32 is connected to the first basket fixing member 31 and is used to drive the first basket fixing member 31 to rotate. The ultrasonic generator 33 is arranged in the cleaning tank 11 and is arranged toward the first basket fixing member 31. The water level in the cleaning tank 11 can be sufficient to submerge the basket 2 fixed on the first basket fixing member 31.

[0033] The filter element 4 is arranged in the drain port 12; the inlet of the filter press 5 is connected to the drain port 12; the circulation mechanism 6 includes a circulation pump 61, the inlet of the circulation pump 61 is connected to the clean water outlet of the filter press 5, and the outlet of the circulation pump 61 is connected to the cleaning tank 11. The function of the filter element 4 is to filter a small part of the fine copper foil with a size less than 1mm. The fine copper foil obtained after filtration is subsequently rinsed, dried and recycled for standby use, so that the carbon powder on the copper foil of the battery pole piece can be effectively separated by this device to obtain high-purity copper foil.

[0034] The drying mechanism 7 includes a second basket fixing member 71, a second rotating driving member 72 and a hot air conveying member 73. The second basket fixing member 71 is arranged in the drying tank 14 and is used to fix the basket 2. The second rotating driving member 72 is connected to the second basket fixing member 71 and is used to drive the second basket fixing member 71 to rotate. The hot air conveying member 73 is arranged in the cleaning tank 11 and is arranged toward the second basket fixing member 71.

[0035] The transfer mechanism 8 includes a guide rail 81, a walking trolley 82, a telescopic driving member 83 and an adsorption member 84. The guide rail 81 is arranged above the box body 1. The walking trolley 82 can actively move on the guide rail 81. One end of the telescopic driving member 83 is fixed to the walking trolley, and the other end of the telescopic driving member 83 is connected to the adsorption member 84. The adsorption member 84 is used to adsorb the basket 2.

[0036] In the utility model, the battery pole fragments are loaded into the basket 2, the walking trolley 82 moves to the top of the basket 2, the telescopic driving member 83 is extended, so that the adsorption member 84 contacts the basket 2, and then the basket 2 is adsorbed by the adsorption member 84, then the telescopic driving member 83 is shortened, the walking trolley 82 moves to the top of the cleaning tank 11, the telescopic driving member 83 is extended, the basket 2 contacts the first basket fixing member 31, then the basket 2 is fixed by the first basket fixing member 31, and the adsorption member 84 is released, and then the basket 2 is driven to rotate by the first rotating driving member 32. The battery pole pieces are fully mixed in the basket 2, and the ultrasonic generator 33 is turned on to ultrasonically clean the copper foil in the basket 2, so that the copper foil in the basket 2 is evenly ultrasonically treated, and the carbon powder separation speed on the surface of the copper foil is improved; after the ultrasonic cleaning is completed, the basket 2 is adsorbed by the adsorption member 84, and the first basket fixing member 31 is loosened, and the basket 2 is transferred to the second basket fixing member 71 in the drying tank 14 in the same way, and the copper foil in the basket 2 is dried by the hot air conveying member 73 to obtain the copper foil that can be recycled. The utility model realizes that the basket 2 automatically enters the cleaning tank 11 and is automatically transferred to the drying tank 14 through the transfer mechanism 8, and does not need to be manually transferred to the basket 2, which greatly improves the transfer efficiency of the basket 2.

[0037] In order to specifically implement the function of the first basket fixing member 31, please refer to Figure 1-Figure 6 In a preferred embodiment, the first basket fixing member 31 includes two first fixing disks 311, a plurality of first limiting rods 312 and a first locking telescopic member 314. The two first fixing disks 311 are both rotatably arranged in the box body 1. The two ends of each first limiting rod 312 are respectively fixed to the two first fixing disks 311. Each first limiting rod 312 encloses a first accommodation space for placing the basket 2. The fixed end of the first locking telescopic member 314 is fixed to the first fixing disk 311. The movable end of the first locking telescopic member 314 is used to clamp the basket 2 located in the first accommodation space. When in use, when the basket 2 enters the first accommodation space, the movable end of the first locking telescopic member 314 extends out and clamps the basket 2, so that the basket 2 cannot leave the first accommodation space. When the basket 2 needs to be taken out after cleaning, the movable end of the first locking telescopic member 314 is retracted, and then the basket 2 is adsorbed by the adsorption member 84.

[0038] Preferably, the basket 2 includes a basket body 21 , a basket cover 22 and a fastener, the basket cover 22 is hinged to the basket body 21 , and the fastener is used to fix the basket cover 22 to the basket body 21 .

[0039] In order to realize the hinged connection between the basket cover 22 and the basket body 21, please refer to Figure 3In a preferred embodiment, the basket cover 22 is hinged to the basket body 21 via a hinge.

[0040] In order to realize the function of the first rotating driving member 32, please refer to Figure 2 and Figure 3 In a preferred embodiment, a first rotating shaft 313 is rotatably provided on the inner wall of the box body 1, and the first fixed plate 311 is fixed on the first rotating shaft 313; the first rotating driving member 32 includes a first driven gear 321, a first driving gear 322 and a first motor 323, the first driven gear 321 is coaxially fixedly sleeved on the first rotating shaft 313, the first driving gear 322 is meshed with the first driven gear 321, the first motor 323 is connected to the first driving gear 322 and is used to drive the first driving gear 322 to rotate, thereby driving the first driven gear 321 to rotate, the first driven gear 321 drives the first rotating shaft 313 and the first fixed plate 311 to rotate, thereby driving the basket 2 to rotate.

[0041] To facilitate the installation of the ultrasonic generator 33, please refer to Figure 1-Figure 4 In a preferred embodiment, a plurality of partitions 13 are fixed in the box body 1 , and the ultrasonic generator 33 is fixed on the partitions 13 .

[0042] Preferably, please refer to Figure 4 In order to facilitate the hot air to be transported into the basket 2, the hot air transport member 73 includes a hot air transport pipe 731, one end of the hot air transport pipe 731 is connected to the hot air source, and the other end of the hot air transport pipe 731 is provided with a plurality of air outlets, and the air outlets are arranged toward the basket 2. Since the basket 2 is made of a screen as a whole, the hot air can enter the basket 2 to dry the copper foil in the basket 2.

[0043] In order to realize the function of the second basket fixing member 71, please refer to Figure 3-Figure 5In a preferred embodiment, the second basket fixing member 71 includes two second fixing plates 711, a plurality of second limiting rods 712 and a second locking telescopic member 714. The two second fixing plates 711 are both rotatably arranged in the drying tank 14. The two ends of each second limiting rod 712 are respectively fixed to the two second fixing plates 711. Each second limiting rod 712 encloses a second accommodation space for placing the basket 2. The fixed end of the second locking telescopic member 714 is fixed to the second fixing plate 711, and the movable end of the second locking telescopic member 714 is used to clamp the basket 2 located in the second accommodation space. When in use, when the basket 2 enters the second accommodation space, the movable end of the second locking telescopic member 714 extends out and clamps the basket 2, so that the basket 2 cannot leave the second accommodation space. When the basket 2 needs to be taken out after cleaning, the movable end of the second locking telescopic member 714 is retracted, and then the basket 2 is adsorbed by the adsorption member 84.

[0044] In order to realize the function of the second rotating driving member 72, please refer to Figure 3-Figure 5 In a preferred embodiment, a second rotating shaft 713 is rotatably provided on the inner wall of the box body 1, and the second fixed plate 711 is fixed on the second rotating shaft 713; the second rotating driving member 72 includes a second driven gear 721, a second driving gear 722 and a second motor 723, the second driven gear 721 is coaxially fixedly sleeved on the second rotating shaft 713, the second driving gear 722 is meshed with the second driven gear 721, the second motor 723 is connected to the second driving gear 722 and is used to drive the second driving gear 722 to rotate, thereby driving the second driven gear 721 to rotate, and the second driven gear 721 drives the second rotating shaft 713 and the second fixed plate 711 to rotate, thereby driving the basket 2 to rotate.

[0045] In order to realize the function of the circulation mechanism 6, please refer to Figure 1 In a preferred embodiment, the circulation mechanism 6 also includes a buffer tank 62 and a circulation pipe 63, the buffer tank 62 is connected to the clean water outlet of the filter press 5, the inlet of the circulation pump 61 is connected to the buffer tank 62, the outlet of the circulation pump 61 is connected to one end of the circulation pipe 63, and the other end of the circulation pipe 63 is connected to the cleaning tank 11.

[0046] In order to facilitate the loading of battery pole fragments into the basket 2, please refer to Figure 1 In a preferred embodiment, the battery pole piece copper foil recovery device further comprises a first operating conveyor belt 91, on which an empty basket 2 is placed. When in use, a worker puts battery pole piece fragments into the empty basket 2 on the first operating conveyor belt 91. Then, the basket 2 is transferred to the cleaning tank 11 through the transfer mechanism 8.

[0047] In order to facilitate the removal of the dried copper foil in the basket 2, please refer to Figure 1 In a preferred embodiment, the battery electrode copper foil recovery device further comprises a second operating conveyor belt 92, which is arranged on the side of the drying tank 14. When in use, after the basket 2 in the drying tank 14 is dried, the basket 2 is transferred to the second operating conveyor belt 92 by the transfer mechanism 8, so that the worker can take out the copper foil in the basket 2 conveniently.

[0048] In order to facilitate the automatic return of the empty basket 2 to the first operating conveyor belt 91, please refer to Figure 1 and Figure 6 In a preferred embodiment, the copper foil recovery device in the battery electrode further includes a transfer conveyor belt 93, the feed end of the transfer conveyor belt 93 is connected to the discharge end of the second operating conveyor belt 92, and the discharge end of the transfer conveyor belt 93 is connected to the feed end of the first operating conveyor belt 91.

[0049] To specifically implement the function of the adsorption member 84, please refer to Figure 1 and Figure 5 In a preferred embodiment, the adsorption member 84 includes an arc sleeve 841 and a plurality of electromagnets 842. The curvature of the arc sleeve 841 is the same as that of the basket 2. The basket 2 is made of iron, so that the arc sleeve 841 is conveniently attached to the side wall of the basket 2. The electromagnets 842 are evenly fixed on the arc sleeve 841. When the basket 2 needs to be adsorbed, the arc sleeve 841 is attached to the side wall of the basket 2, and then each electromagnet 842 is energized to adsorb the basket 2. When the basket 2 needs to be released, each electromagnet 842 is de-energized.

[0050] In order to better understand the present invention, the following Figure 1-Figure 6The working process of the basket-type battery pole piece recovery device provided by the utility model is described in detail: on the first operating conveyor belt 91, the battery pole piece fragments are loaded into the basket 2, the walking trolley 82 moves to the top of the basket 2, the telescopic driving member 83 is extended, so that the adsorption member 84 contacts the basket 2, and then the basket 2 is adsorbed by the adsorption member 84, then the telescopic driving member 83 is shortened, the walking trolley 82 moves to the top of the cleaning tank 11, the telescopic driving member 83 is extended, so that the basket 2 contacts the first basket fixing member 31, and then the basket 2 is fixed by the first basket fixing member 31, and the adsorption member 84 is released, and then the basket 2 is driven to rotate by the first rotating driving member 32, so that the battery pole pieces are fully mixed in the basket 2, and the ultrasonic generator 33 is turned on to clean the copper foil in the basket 2. Ultrasonic cleaning can make the copper foil in the basket 2 be evenly ultrasonically treated, and improve the separation speed of carbon powder on the surface of the copper foil; after the ultrasonic cleaning is completed, the basket 2 is adsorbed by the adsorbent 84, and the first basket fixing part 31 is released, and the basket 2 is transferred to the second basket fixing part 71 in the drying tank 14 in the same way, and the copper foil in the basket 2 is dried by the hot air conveying part 73 to obtain the copper foil that can be recycled. After the drying is completed, the basket 2 is adsorbed by the adsorbent 84, and the first basket fixing part 31 is released, and the basket 2 is transferred to the second operating conveyor belt 92 in the same way, and the worker takes out the copper foil in the basket 2, and the empty basket 2 is transported to the transfer conveyor belt 93 by the second operating conveyor belt 92, and then returned from the transfer conveyor belt 93 to the first operating conveyor belt 91. The utility model realizes that the basket 2 automatically enters the cleaning tank 11 and is automatically transferred to the drying tank 14 through the transfer mechanism 8, and does not need to be manually transferred. The transfer efficiency of the basket 2 is greatly improved. In addition, the carbon powder in the cleaning tank 11 is discharged from the drain port 12, and then enters the filter press 5, which filters the carbon powder into a graphite filter cake, and the clean water discharged from the filter press 5 is returned to the cleaning tank 11 through the circulation pump 61, so as to realize the recycling of water. Therefore, the carbon powder on the copper foil of the battery electrode can be effectively separated by this device to obtain high-purity copper foil.

[0051] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A device for recovering copper foil from battery pole pieces, characterized in that: It includes a box body, at least one basket, an ultrasonic cleaning mechanism, a drying mechanism and a transfer mechanism; The box body has a cleaning tank and a drying tank which are not connected to each other; The basket is used to load battery pole piece fragments; The ultrasonic cleaning mechanism comprises a first basket fixing member, which is disposed in the cleaning tank and is used to fix the basket; The drying mechanism comprises a second basket fixing member, which is arranged in the drying tank and used to fix the basket; The transfer mechanism is used to transfer the basket between the cleaning tank and the drying tank.

2. The copper foil recovery device in battery pole pieces according to claim 1, characterized in that: The transfer mechanism includes a guide rail, a walking trolley, a telescopic driving member and an adsorption member. The guide rail is arranged above the box body, and the walking trolley can actively move on the guide rail. One end of the telescopic driving member is fixed to the walking trolley, and the other end of the telescopic driving member is connected to the adsorption member, and the adsorption member is used to adsorb the basket.

3. The copper foil recovery device in battery pole pieces according to claim 2, characterized in that: The adsorption member includes an arc sleeve and a plurality of electromagnets. The curvature of the arc sleeve is the same as that of the basket. The basket is made of iron, so that the arc sleeve can be easily attached to the side wall of the basket. The electromagnets are evenly fixed on the arc sleeve.

4. The copper foil recovery device in battery pole pieces according to claim 1, characterized in that: The ultrasonic cleaning mechanism also includes a first rotating driving member and an ultrasonic generator. The first rotating driving member is connected to the first basket fixing member and is used to drive the first basket fixing member to rotate. The ultrasonic generator is arranged in the cleaning tank and is arranged toward the first basket fixing member.

5. The copper foil recovery device in battery pole pieces according to claim 4, characterized in that: The first basket fixing component includes two first fixing plates, a plurality of first limiting rods and a first locking telescopic component. The two first fixing plates are rotatably disposed in the box body, and the two ends of each first limiting rod are respectively fixed to the two first fixing plates. The first limiting rods enclose a first accommodating space for placing the basket. The fixed end of the first locking telescopic component is fixed to the first fixing plate, and the movable end of the first locking telescopic component is used to clamp the basket located in the first accommodating space.

6. The copper foil recovery device in battery pole pieces according to claim 5, characterized in that: A first rotating shaft is rotatably arranged on the inner wall of the box body, and the first fixed plate is fixed on the first rotating shaft; the first rotating driving member includes a first driven gear, a first driving gear and a first motor, the first driven gear is coaxially fixedly sleeved on the first rotating shaft, the first driving gear is meshed with the first driven gear, the first motor is connected to the first driving gear and is used to drive the first driving gear to rotate, thereby driving the first driven gear to rotate, and the first driven gear drives the first rotating shaft and the first fixed plate to rotate.

7. The copper foil recovery device in battery pole pieces according to claim 1, characterized in that: The drying mechanism also includes a second rotating driving member and a hot air conveying member, wherein the second rotating driving member is connected to the second basket fixing member and is used to drive the second basket fixing member to rotate, and the hot air conveying member is arranged in the cleaning tank and toward the second basket fixing member.

8. The device for recovering copper foil from battery pole pieces according to claim 7, characterized in that: The second basket fixing member includes two second fixing plates, a plurality of second limiting rods and a second locking telescopic member. The two second fixing plates are rotatably arranged in the drying tank. The two ends of each second limiting rod are respectively fixed to the two second fixing plates. The second limiting rods enclose a second accommodating space for placing the basket. The fixed end of the second locking telescopic member is fixed to the second fixing plate, and the movable end of the second locking telescopic member is used to clamp the basket located in the second accommodating space.

9. The copper foil recovery device in battery pole pieces according to claim 8, characterized in that: A second rotating shaft is rotatably arranged on the inner wall of the box body, and the second fixed plate is fixed on the second rotating shaft; the second rotating driving member includes a second driven gear, a second driving gear and a second motor, the second driven gear is coaxially fixedly sleeved on the second rotating shaft, the second driving gear is meshed with the second driven gear, the second motor is connected to the second driving gear and is used to drive the second driving gear to rotate, thereby driving the second driven gear to rotate, and the second driven gear drives the second rotating shaft and the second fixed plate to rotate.

10. The device for recovering copper foil from battery pole pieces according to claim 1, characterized in that: It also includes a first operating conveyor belt, a second operating conveyor belt and a transfer conveyor belt. The first operating conveyor belt is used to place empty baskets. The second operating conveyor belt is arranged on the side of the drying tank. The feed end of the transfer conveyor belt is connected to the discharge end of the second operating conveyor belt, and the discharge end of the transfer conveyor belt is connected to the feed end of the first operating conveyor belt.

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