Battery piece turnover device

Abstract

The utility model provides a battery piece turnover device. The device comprises a feeding conveying mechanism used for conveying battery pieces; the discharging conveying mechanism and the feeding conveying mechanism are oppositely arranged in a spaced mode, and the discharging conveying mechanism is used for conveying battery pieces; the rotating mechanism is provided with a plurality of bearing pieces for bearing the battery pieces, and the bearing pieces are used for bearing the battery pieces conveyed by the feeding and conveying mechanism; the center of the rotating mechanism is provided with a sealed cavity, the bottom surface of the outer side surface of each bearing part is arranged around the sealed cavity, one surface for bearing the battery piece is provided with an air inlet channel, and the bottom of the outer side surface is provided with an air outlet channel communicated with the air inlet channel; one end of the exhaust pipe is communicated with the sealed cavity, the other end of the exhaust pipe is connected with external exhaust equipment, and the exhaust pipe is used for exhaust operation; and the supporting base is connected with the rotating mechanism. According to the invention, a vacuum environment can be formed in the sealed cavity and the air outlet channel through the air exhaust operation, so that the battery piece is adsorbed on the bearing piece, the battery piece is prevented from falling off in the overturning process, and the stability of the overturning operation of the battery piece is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of solar photovoltaic technology, in particular to a cell piece turnover device. BACKGROUND

[0002] In the field of cell piece manufacturing, automatic machines are the main equipment for cell piece production. The turnover machine, as an important part of the automatic machine, plays a key role in the double-sided processing of cell pieces. It converts cell pieces from one processing surface to another processing surface through specific mechanisms and control mechanisms to ensure the continuity and efficiency of the production process.

[0003] However, in actual application, it is found through investigation that the traditional turnover machine has serious problems. During the turnover operation of the cell pieces, the cell pieces often fall off, which frequently occurs and is difficult to avoid. This results in a significant increase in the fragmentation rate of the machine, which has many adverse effects on production. Not only does it reduce production efficiency, but it also requires additional time to clean up debris and adjust the machine, disrupting the normal production rhythm, and it may cause damage to the cell pieces, posing a potential threat to product quality. In severe cases, it can make a large number of products unqualified, affecting the quality of the entire production batch, and causing economic and reputational losses to the enterprise. CONTENT OF THE INVENTION

[0004] In view of the above problems, the present application provides a cell piece turnover device to solve the above technical problems.

[0005] The present application provides a cell piece turnover device, comprising:

[0006] An upper conveying mechanism for conveying cell pieces;

[0007] A lower conveying mechanism arranged opposite and spaced apart from the upper conveying mechanism for conveying cell pieces;

[0008] A rotating mechanism rotatably arranged between the upper conveying mechanism and the lower conveying mechanism, which is divided into a plurality of load-bearing members for receiving the cell pieces conveyed by the upper conveying mechanism, and the cell pieces are placed on the lower conveying mechanism by being turned over by the load-bearing members;

[0009] The center of the rotating mechanism is provided with a sealed cavity, the outer side surface of the load-bearing member is arranged around the sealed cavity, one side of the load-bearing member for receiving the cell pieces is provided with an air inlet channel, and the outer side surface of the load-bearing member is provided with an air outlet channel in communication with the air inlet channel near the sealed cavity;

[0010] An air extraction pipe having one end in communication with the sealed cavity and the other end connected to an external air extraction device for air extraction operation;

[0011] A support base is connected to the rotating mechanism and is used to support the rotating mechanism.

[0012] In some embodiments, the cell flipping device provided in this application further includes:

[0013] The U-shaped air-blocking plate, with its ends facing upwards, covers part of the sealed cavity and is used to block part of the air outlet channel during the flipping process of the rotating mechanism. The two ends of the U-shaped air-blocking plate are higher than the feeding conveyor mechanism and the unloading conveyor mechanism.

[0014] In some embodiments, in the battery cell flipping device provided in this application, the side of the carrier that receives the battery cell is provided with a first air hole, and the bottom of the outer side of the carrier is provided with a second air hole near the sealed cavity. The air inlet channel in the carrier is connected to the first air hole, and the air outlet channel in the carrier is connected to the second air hole.

[0015] In some embodiments, the cell flipping device provided in this application includes, as follows:

[0016] The first rotating fan blade has at least one support member for accommodating the first end of the battery cell. The center of the first rotating fan blade has a first cavity, and the bottom of the outer side of the support member is arranged around the first cavity.

[0017] The second rotating fan blade is arranged at a distance from the first rotating fan blade, and is divided with at least one support member for accommodating the second end of the battery cell. The center of the second rotating fan blade is provided with a second cavity, and the bottom of the outer side of the support member is arranged around the second cavity.

[0018] A fan blade connecting part is disposed between the first rotating fan blade and the second rotating fan blade to connect the first rotating fan blade and the second rotating fan blade, and has a third cavity therein;

[0019] The first cavity, the second cavity, and the third cavity are interconnected and, when sealed, form the sealed cavity.

[0020] The exhaust pipe is connected to the sealed cavity via the first or the second rotating fan blade.

[0021] In some embodiments, the rotating mechanism in the battery cell flipping device provided in this application further includes:

[0022] A rotary drive mechanism is connected to the first flip fan blade, the fan blade connecting part, and the second flip fan blade, respectively, for driving the first flip fan blade and the second flip fan blade to rotate synchronously.

[0023] In some embodiments, in the battery cell flipping device provided in this application, the rotation drive mechanism includes a motor assembly and a rotating shaft;

[0024] The rotating shaft passes through the first flip fan blade, the fan blade connecting portion, and the second flip fan blade to connect with the first flip fan blade and the second flip fan blade, and one end of the rotating shaft is connected to the motor assembly.

[0025] In some embodiments, the battery cell flipping device provided in this application includes a first support base and a second support base;

[0026] The first support base and the second support base are arranged at a distance from each other and are respectively arranged on the outside of the first rotating fan blade and the second rotating fan blade. The U-shaped air-blocking plate extends from the sealed space and is arranged on the first support base or the second support base.

[0027] A first bearing connection is fixed on the first support base, and a second bearing connection is fixed on the second support base. The rotating shaft passes through the first bearing connection, the first flip fan blade, the fan blade connection, the second flip fan blade, and the second bearing connection.

[0028] The battery cell flipping device provided in this application includes a feeding conveyor and a discharging conveyor for stable battery cell transport. A rotating mechanism is rotatably positioned between the two, and a support member around its periphery effectively receives the battery cells transported by the feeding conveyor and flips them onto the discharging conveyor, achieving efficient conversion of the battery cells at different processing stages. Furthermore, a sealed cavity is located at the center of the rotating mechanism. The sealed cavity, along with the air inlet channel, air outlet channel, and suction pipe of the support member connected to it, constitute a suction system. One end of the suction pipe is connected to the sealed cavity, and the other end is connected to an external suction device, thereby creating a vacuum environment within the sealed cavity, air outlet channel, and air inlet channel through suction operation. When the suction pipe evacuates, a negative pressure is formed within the support member, causing the battery cells to be adsorbed onto the support member, effectively preventing displacement and slippage of the battery cells during the flipping process due to mechanical movement, and ensuring the stability of the battery cells during the flipping operation. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1This illustration shows a view of a battery cell flipping device provided in an embodiment of this application.

[0031] Figure 2 Another view of the cell flipping device provided in this application embodiment is shown.

[0032] Figure 3 This illustration shows yet another view of the battery cell flipping device provided in an embodiment of this application.

[0033] Figure 4 This illustration shows a view inside the sealed cavity of the cell flipping device provided in an embodiment of this application.

[0034] Figure label:

[0035] 110. Feeding conveyor mechanism; 120. Discharging conveyor mechanism; 201. First air hole; 202. Second air hole; 210. First rotating fan blade; 220. Second rotating fan blade; 230. Fan blade connection part; 240. Sealed cavity; 300. Air extraction pipe; 410. First support base; 420. Second support base; 500. U-shaped air blocking plate; 610. Motor assembly; 620. Rotating shaft; 631. First bearing connection part; 632. Second bearing connection part. Detailed Implementation

[0036] To enable those skilled in the art to better understand the solutions of this application, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0037] In the embodiments of this application, it should be noted that, in this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0038] Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0039] Furthermore, in the embodiments of this application, "multiple" refers to two or more. Therefore, in the embodiments of this application, "multiple" can also be understood as "at least two". "At least one" can be understood as one or more, such as one, two, or more. For example, including at least one means including one, two, or more, and is not limited to which ones are included. For example, including at least one of A, B, and C, then it could include A, B, C, A and B, A and C, B and C, or A and B and C.

[0040] This application provides a battery cell flipping device, such as... Figures 1 to 4 As shown, the battery cell flipping device provided in this application embodiment includes a feeding conveying mechanism 110, a discharging conveying mechanism 120, a suction pipe 300, a rotating mechanism (including 210, 220, and 230), and a support base (including 410 and 420). The feeding conveying mechanism 110 is used to pick up the battery cell to be flipped (not shown) and convey it to the rotating mechanism. The discharging conveying mechanism 120 is arranged at a distance from the feeding conveying mechanism 120 and is used to pick up the battery cell flipped by the rotating mechanism so that the flipped battery cell is away from the rotating mechanism. The rotating mechanism is rotatably arranged between the feeding conveying mechanism 110 and the discharging conveying mechanism 120, and is divided with a plurality of carriers for receiving battery cells, used to receive the battery cells conveyed by the feeding conveying mechanism 110 and to... The battery cells are flipped and placed onto the feeding conveyor mechanism 120. The center of the rotating mechanism has a sealed cavity 240. The bottom outer side of each carrier component is arranged around the sealed cavity 240. The side of the carrier component that receives the battery cells has an air inlet channel, and the bottom outer side of the carrier component near the sealed cavity has an air outlet channel that communicates with the air inlet channel. One end of the suction pipe 300 is connected to the sealed cavity 240, and the other end is connected to an external suction device for suction operation. Thus, when the carrier component carries the battery cells, the air inlet channel, the air outlet channel, and the sealed cavity are evacuated, forming a negative pressure on the side of the carrier component that carries the battery cells. In this way, the carrier component can adsorb the battery cells through negative pressure when carrying the battery cells, preventing the battery cells from falling off during the flipping process. The support base is connected to the rotating mechanism to support the rotating mechanism.

[0041] It is understood that the purpose of setting up the feeding and unloading conveying mechanisms in this application embodiment is to realize the conveying of battery cells, rather than focusing on the specific type or structural particularity of the feeding conveying mechanism 110 and the unloading conveying mechanism 120 themselves. Therefore, for this application embodiment, as long as the selected feeding conveying mechanism 110 and unloading conveying mechanism 120 can realize the conveying of battery cells, regardless of the specific type of conveying mechanism or the specific structural form it presents, it can meet the basic requirements of this application for this component. For example, such as Figures 1 to 4As shown, the feeding conveyor 110 and the unloading conveyor 120 are conveyor belt devices, each supported by a support base. Similarly, the embodiments of this application do not limit the type or structure of the air extraction equipment connected to the air extraction pipe.

[0042] The battery cell flipping device provided in this application embodiment is equipped with a feeding conveyor 110 and a discharging conveyor 120 to transport battery cells, achieving stable transport of battery cells. A rotating mechanism (including 210, 220, and 230) is rotatably disposed between the two, and the support members around its periphery can effectively receive the battery cells transported by the feeding conveyor 110 and flip them onto the discharging conveyor 120, realizing efficient conversion of battery cells at different processing stages. Furthermore, a sealed cavity 240 is provided at the center of the rotating mechanism. The sealed cavity 240 and the air inlet channel, air outlet channel, and air extraction pipe 300 of the support member connected thereto constitute an air extraction system. One end of the air extraction pipe 300 is connected to the sealed cavity 240, and the other end is connected to an external air extraction device, thereby creating a vacuum environment in the sealed cavity 240, the air outlet channel, and the air inlet channel through air extraction operation. When the evacuation pipe 300 evacuates air, a negative pressure is formed inside the carrier, causing the battery cells to be adsorbed on the carrier. This effectively avoids problems such as displacement and slippage of the battery cells caused by mechanical movement during the flipping process, ensuring the stability of the battery cells during the flipping operation.

[0043] In some embodiments, such as Figures 1 to 4 As shown, the battery cell flipping device in this embodiment of the application also includes a U-shaped air-blocking plate 500, the ends of which cover part of the sealed cavity 240, thereby blocking part of the air outlet channel during the flipping process of the rotating mechanism. The two ends of the U-shaped air-blocking plate 500 are higher than the feeding conveying mechanism and the unloading conveying mechanism. Optionally, the sealed cavity 240 is formed by the outer bottom of multiple carriers. Therefore, when the U-shaped air-blocking plate 500 covers part of the sealed cavity 240, it will also be in contact with the outer bottom of multiple carriers, thereby blocking the air outlet channel of the carriers in contact with it. In this way, when the feeding conveying mechanism 110 transfers battery cells to one of the carriers of the rotating mechanism, and when one of the carriers of the rotating mechanism transfers battery cells to the feeding conveying mechanism 120, the battery cells will block the air inlet channel of the carriers, and the U-shaped air-blocking plate 500 will block the air outlet channel of the carriers. In this way, there will be no adsorption pressure on the carriers receiving the battery cells during the feeding and unloading of the battery cells, thereby avoiding the vacuum adsorption affecting the feeding and unloading operations of the battery cells. During the battery cell flipping process, after the carriers receiving the battery cells rotate away from the U-shaped air-blocking plate 500, their air outlet channels are exposed in the vacuum sealed cavity 240, causing the battery cells they carry to be adsorbed. The position of the U-shaped air-blocking plate 500 will not change as the load-bearing component rotates.

[0044] The battery cell flipping device provided in this application embodiment is equipped with a U-shaped air-blocking plate 500 to block the air outlet channel of the carrier during loading and unloading. This avoids interference from vacuum adsorption during battery cell loading and unloading.

[0045] In some embodiments, such as Figures 1 to 4 As shown, in the battery cell flipping device provided in this application embodiment, each carrier has a plurality of first air holes 201 on the side that receives the battery cell, and each carrier has a second air hole 202 at the bottom of its outer side near the sealed cavity. The air inlet channel in each carrier is connected to the plurality of first air holes 201 thereon, and the air outlet channel in each carrier is connected to the second air hole 202 thereon.

[0046] The support member has a first vent on the side that receives the battery cell, and a second vent is provided on the bottom outer side of the support member near the sealed cavity. The air inlet channel inside the support member communicates with the first vent, and the air outlet channel inside the support member communicates with the second vent.

[0047] In some embodiments, such as Figures 1 to 4 As shown, in the battery cell flipping device provided in this application embodiment, the rotating mechanism includes a first flipping fan blade 210, a second flipping fan blade 220, and a fan blade connecting part 230.

[0048] The first rotating fan blade 210 has at least one support member for accommodating the first end of a battery cell. The first rotating fan blade 210 has a first cavity at its center. The bottom outer surfaces of each support member in the first rotating fan blade 210 are arranged around the first cavity. For each support member in the first rotating fan blade 210, the side receiving the battery cell and its bottom surface are provided with multiple air outlet channels communicating with the first cavity. The second rotating fan blade 220 is spaced apart from the first rotating fan blade 210 and has at least one support member for accommodating the second end of a battery cell. The second rotating fan blade 220 has a second cavity at its center. The bottom outer surfaces of each support member in the second rotating fan blade 220 are arranged around the second cavity. For each support member in the second rotating fan blade 220, the side receiving the battery cell and its bottom surface are provided with multiple air outlet channels communicating with the second cavity. A fan blade connecting portion 230 is disposed between the first rotating fan blade 210 and the second rotating fan blade 220 to connect the first rotating fan blade 210 and the second rotating fan blade 220, and has a third cavity inside. The first cavity, the third cavity, and the second cavity are interconnected and, after sealing, form a sealed cavity 240. Because the first cavity, the second cavity, and the third cavity are interconnected, the exhaust pipe only needs to be connected to one of the first cavity, the second cavity, and the third cavity. Optionally, in this embodiment, the exhaust pipe is connected to the sealed cavity 240 via one of the first rotating fan blade 210 or the second rotating fan blade 220.

[0049] In some embodiments, the number of carriers on the first rotating fan blade 210 and the number of carriers on the second rotating fan blade 220 are the same, and their positions are also the same, so that the first rotating fan blade 210 and the second rotating fan blade 220 can receive the battery cells synchronously.

[0050] It is understood that the embodiments of this application do not limit the number of carriers, for example, the number can be one, two, three, four, ten, fifteen, eighteen, twenty, etc.

[0051] It is understood that the shape of the fan blade connecting portion 230 is not subject to detailed limitations in this embodiment. As long as the fan blade connecting portion 230 can connect the first cavity and the second cavity at the center of the first flip fan blade 210 and the second flip fan blade 220 through the third cavity provided therein, it is acceptable. For example, since the first cavity and the second cavity are cylindrical, the fan blade connecting portion 230 can be cylindrical to fit the shape of the first cavity and the second cavity.

[0052] In some embodiments, a U-shaped air-blocking plate 500 is embedded in the first cavity of the first rotating fan blade 210 and the second cavity of the second rotating fan blade 220. Both U-shaped air-blocking plates 500 are higher than the feeding conveyor mechanism 110 and the unloading conveyor mechanism 120. In the first rotating fan blade 210, the U-shaped air-blocking plate 500 is attached to multiple carriers so that the air outlet channel of the corresponding carrier can be blocked by the U-shaped air-blocking plate 500 in the first cavity when the battery cells are fed and unloaded. In the second rotating fan blade 220, the U-shaped air-blocking plate 500 is also attached to multiple carriers so that the air outlet channel of the corresponding carrier can be blocked by the U-shaped air-blocking plate 500 in the second cavity when the battery cells are fed and unloaded.

[0053] In some embodiments of this application, the U-shaped air-blocking plate 500 can also be configured to be embedded in the first cavity, the second cavity, and the third cavity, so that a U-shaped air-blocking plate 500 can be used to block the air outlet channel of the corresponding carrier when the battery cells are loaded and unloaded.

[0054] It is understood that in this embodiment, the purpose of setting the U-shaped air-blocking plate 500 is to block the carrier component that receives the battery cells during loading and unloading. Therefore, the number of U-shaped air-blocking plates 500 is not limited. As shown in the above embodiment, in this embodiment, the air outlet channels of the carrier components of the first and second rotating fan blades can be blocked by setting one U-shaped air-blocking plate 500 in the first cavity and the second cavity respectively, or a U-shaped air-blocking plate passing through the first cavity, the third cavity and the second cavity can be set to block the air outlet channels of the carrier components of the first and second rotating fan blades.

[0055] In some embodiments, such as Figures 1 to 3As shown in the embodiment of this application, the battery cell flipping device includes a rotating drive mechanism for the flipping fan blade, which is connected to the first flipping fan blade 210, the fan blade connecting part 230, and the second flipping fan blade 220 respectively, and is used to drive the first flipping fan blade 210 and the second flipping fan blade 220 to rotate synchronously.

[0056] In some embodiments, such as Figures 1 to 3 As shown in the embodiment of this application, in the battery cell flipping device, the rotation drive mechanism includes a motor assembly 610 and a rotating shaft 620. The rotating shaft 620 passes through the first flipping fan blade 210, the fan blade connecting part 230 and the second flipping fan blade 220 to achieve connection with the first flipping fan blade 210 and the second flipping fan blade 220. One end of the rotating shaft 620 is connected to the motor assembly 610.

[0057] It is understood that the specific location of the motor assembly is not limited in the embodiments of this application. For example, the motor assembly can be located on the outside of the first rotating fan blade; or, for example, the motor assembly can also be located on the outside of the second rotating fan blade. Regardless of the location of the motor assembly, it will not affect the function of the rotary drive mechanism.

[0058] In some embodiments, the battery cell flipping device provided in this application includes a support base comprising a first support base 410 and a second support base 420. The first support base 410 and the second support base 420 are arranged at a distance from each other and are respectively disposed on the outer sides of the first flipping fan blade 210 and the second flipping fan blade 220. A U-shaped air-blocking plate 500 extends from the self-sealing space and is fixedly mounted on the first support base or the second support base. A first bearing connection portion 631 is fixedly mounted on the first support base 410, and a second bearing connection portion 632 is fixedly mounted on the second support base 420. The rotating shaft 620 passes through the first bearing connection portion 631, the first flipping fan blade 210, the fan blade connection portion 230, the second flipping fan blade 220, and the second bearing connection portion 632.

[0059] It is understood that using a motor, a rotating shaft, and a bearing connection to control the rotation of an object is a relatively conventional technical means. Therefore, the embodiments of this application will not provide a more detailed description of the rotation drive mechanism.

[0060] In some embodiments, the U-shaped air-blocking plate 500 extends in the same direction as the suction pipe 300.

[0061] In some embodiments, the U-shaped air-blocking plate 500 extends in the opposite direction to the air extraction pipe 300.

[0062] The battery cell flipping device provided in this application embodiment includes a feeding conveyor and a discharging conveyor for transporting battery cells, achieving stable transport of the cells. A flipping fan blade is rotatably positioned between the two, and a support member around its periphery effectively receives the battery cells transported by the feeding conveyor and flips them onto the discharging conveyor, achieving efficient conversion of the battery cells at different processing stages. Furthermore, a sealed cavity is located at the center of the flipping fan blade. The sealed cavity, along with the air inlet channel, air outlet channel, and suction pipe of the support member connected to it, constitute a suction system. One end of the suction pipe is connected to the sealed cavity, and the other end is connected to an external suction device, thereby creating a vacuum environment within the sealed cavity, air outlet channel, and air inlet channel through suction operation. When the suction pipe evacuates, a negative pressure is formed within the support member, causing the battery cells to be adsorbed onto the support member, effectively preventing displacement and slippage of the battery cells during the flipping process due to mechanical movement, ensuring the stability of the battery cells during the flipping operation.

[0063] The above description, in conjunction with specific embodiments, provides a further detailed explanation of this application and should not be construed as limiting the specific implementation of this application to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of this application, and all such modifications and substitutions should be considered within the scope of protection of this application.

Claims

1. A battery cell flipping device, characterized in that, include: The feeding and conveying mechanism is used to transport the battery cells; The unloading conveyor mechanism is arranged at a distance from the loading conveyor mechanism and is used to transport battery cells; A rotating mechanism is rotatably disposed between the feeding conveyor and the unloading conveyor. It is divided into several carriers for receiving the battery cells. The carriers are used to receive the battery cells transmitted from the feeding conveyor and flip the battery cells onto the unloading conveyor. The rotating mechanism has a sealed cavity at its center, and the bottom outer side of the support member is arranged around the sealed cavity. The side of the support member that receives the battery cell has an air inlet channel, and the bottom outer side of the support member near the sealed cavity has an air outlet channel that communicates with the air inlet channel. The air extraction pipe has one end connected to the sealed cavity and the other end connected to an external air extraction device for air extraction operation. A support base, connected to the rotating mechanism, is used to support the rotating mechanism; The U-shaped air-blocking plate, with its ends facing upwards, covers part of the sealed cavity and is used to block part of the air outlet channel during the flipping process of the rotating mechanism. The two ends of the U-shaped air-blocking plate are higher than the feeding conveyor mechanism and the unloading conveyor mechanism.

2. The cell flipping device as described in claim 1, characterized in that, The side of the carrier that receives the battery cell is provided with a first air hole, and the bottom of the outer side of the carrier is provided with a second air hole near the sealed cavity. The air inlet channel in the carrier is connected to the first air hole, and the air outlet channel in the carrier is connected to the second air hole.

3. The cell flipping device as described in claim 1, characterized in that, The rotating mechanism includes: The first rotating fan blade has at least one support member for accommodating the first end of the battery cell. The center of the first rotating fan blade has a first cavity, and the bottom of the outer side of the support member is arranged around the first cavity. The second rotating fan blade is arranged at a distance from the first rotating fan blade, and is divided with at least one support member for accommodating the second end of the battery cell. The center of the second rotating fan blade is provided with a second cavity, and the bottom of the outer side of the support member is arranged around the second cavity. A fan blade connecting part is disposed between the first rotating fan blade and the second rotating fan blade to connect the first rotating fan blade and the second rotating fan blade, and has a third cavity therein; The first cavity, the second cavity, and the third cavity are interconnected and, when sealed, form the sealed cavity. The exhaust pipe is connected to the sealed cavity via the first or the second rotating fan blade.

4. The cell flipping device as described in claim 3, characterized in that, The rotating mechanism further includes: A rotary drive mechanism is connected to the first flip fan blade, the fan blade connecting part, and the second flip fan blade, respectively, for driving the first flip fan blade and the second flip fan blade to rotate synchronously.

5. The cell flipping device as described in claim 4, characterized in that, The rotary drive mechanism includes a motor assembly and a rotating shaft; The rotating shaft passes through the first flip fan blade, the fan blade connecting portion, and the second flip fan blade to connect with the first flip fan blade and the second flip fan blade, and one end of the rotating shaft is connected to the motor assembly.

6. The cell flipping device as described in claim 5, characterized in that, The support base includes a first support base and a second support base; The first support base and the second support base are arranged at a distance from each other and are respectively arranged on the outside of the first rotating fan blade and the second rotating fan blade. The U-shaped air-blocking plate extends from the sealed cavity and is arranged on the first support base or the second support base. A first bearing connection is fixed on the first support base, and a second bearing connection is fixed on the second support base. The rotating shaft passes through the first bearing connection, the first flip fan blade, the fan blade connection, the second flip fan blade, and the second bearing connection.

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