Pole piece transfer device and solid-state battery production line

Abstract

The utility model discloses a pole piece transfer device and discloses a solid-state battery production line with the pole piece transfer device, the pole piece transfer device comprises a box body and a pole piece clamp, the box body is provided with a box opening and a box door used for opening or sealing the box opening, and the box opening can be communicated with a cavity opening of a closed cavity to form a closed transfer channel; and the pole piece clamp is used for loading the pole piece and can be transferred back and forth between the box body and the closed cavity through the box opening or transferred back and forth in the box body and the external environment. The pole piece transfer device disclosed by the utility model can ensure that the pole piece smoothly enters and exits from the closed chamber, and meanwhile, hydrogen sulfide gas in the closed chamber is prevented from leaking when the pole piece enters and exits from the closed chamber.

Description

Technical Field

[0001] This utility model relates to the technical field of solid-state battery production, and in particular to an electrode transfer device and a solid-state battery production line. Background Technology

[0002] Solid-state lithium metal batteries use a solid electrolyte instead of the separator and liquid electrolyte used in traditional lithium-ion batteries. This allows the graphite or silicon anode in traditional lithium-ion batteries to be replaced by a lithium metal anode. The lithium metal anode has a higher energy density than the traditional anode, allowing the battery to store more energy in the same volume.

[0003] In related technologies, the production process of sulfide electrolyte solid-state batteries generates toxic hydrogen sulfide gas, therefore solid-state batteries need to be produced in a closed environment.

[0004] However, in existing solid-state battery production lines, the process of transporting electrodes into and out of a sealed environment requires opening the chamber door, which can easily lead to the leakage of hydrogen sulfide gas in the sealed chamber, causing environmental pollution. Utility Model Content

[0005] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an electrode transfer device that can ensure the smooth entry and exit of the electrode in a sealed chamber, while preventing the leakage of hydrogen sulfide gas in the sealed chamber during the process of the electrode entering and exiting the sealed chamber.

[0006] This utility model also proposes a solid-state battery production line with the above-mentioned electrode transfer device.

[0007] The electrode transfer device according to a first aspect embodiment of the present invention includes:

[0008] The container has an opening and a door for opening or sealing the opening, the opening being able to communicate with the opening of a sealed chamber to form a sealed conveying channel.

[0009] An electrode holder is used to load electrodes and can be moved back and forth between the housing and the sealed chamber through the opening, or between the housing and the external environment.

[0010] The electrode transfer device according to the embodiments of the present invention has at least the following beneficial effects:

[0011] This invention features a housing and an electrode holder for loading electrodes. The housing has an opening and a door for opening or sealing the opening. The opening connects to the opening of a sealed chamber to form a closed transport channel. The electrode holder can move back and forth between the housing and the sealed chamber, or between the housing and the external environment, through the opening. Specifically, when the electrode transport device moves to the opening of the sealed chamber, the opening of the electrode transport device connects to the opening of the sealed chamber. Then, the door of the housing and the door of the sealed chamber are opened, thus achieving the connection between the housing and the sealed chamber. The enclosure is interconnected, and the opening of the enclosure can connect with the opening of the sealed chamber to form a sealed transport channel. This prevents hydrogen sulfide gas from leaking out of the sealed chamber when the door of the sealed chamber is opened. The electrode clamp enters the sealed chamber for processing electrodes through the transport channel via the enclosure opening, realizing the transfer of electrodes between the enclosure and the sealed chamber for processing electrodes. Moreover, the electrode clamp can move back and forth between the enclosure and the external environment, enabling electrodes to enter the enclosure from the external environment. This ensures that the electrodes can smoothly enter and exit the sealed chamber, while preventing the leakage of hydrogen sulfide gas in the sealed chamber during the process of the electrodes entering and exiting the sealed chamber.

[0012] According to some embodiments of this utility model, the box door is laterally disposed on the inner side of the box body.

[0013] The advantage of this invention is that by moving the door to the inside of the box, it avoids interference between the door and the sealed chamber, thus preventing the seal between the box opening and the sealed chamber opening from being affected.

[0014] According to some embodiments of this utility model, a first guide rail is provided inside the box, and a roller is provided on the box door. The first guide rail and the roller cooperate to guide the box door.

[0015] The advantages of this invention are: by setting a first guide rail inside the box and setting rollers on the box door, the first guide rail and rollers cooperate to guide the box door, thereby improving the smoothness of the movement when the box door is opened and closed. At the same time, the first guide rail can limit the box door, which is beneficial to the stability of the box door's seal on the box opening.

[0016] According to some embodiments of the present invention, a connecting rod is also included, one end of which is connected to the door of the box, and the other end of which extends through the wall of the box and out of the box body.

[0017] The advantage of this invention is that by setting a connecting rod, one end of which is connected to the door and the other end of which extends through the wall of the box to the outside of the box, the opening and closing of the door can be easily controlled from the outside of the box via the connecting rod.

[0018] According to some embodiments of the present invention, a first handle is provided at one end of the connecting rod located outside the housing.

[0019] The advantage of this invention is that by providing a first handle at one end of the connecting rod outside the housing, the connecting rod can be pushed and pulled using the first handle, thereby facilitating the opening and closing of the housing door.

[0020] According to some embodiments of the present invention, a sliding base is provided inside the box, and the sliding base supports the electrode clamp to slide in and out of the box opening.

[0021] The advantage of this invention is that by providing a sliding base inside the housing, the electrode clamp can slide in and out of the housing opening more easily.

[0022] According to some embodiments of the present invention, the sliding base is provided with a plurality of balls, which are used to support the electrode clamp.

[0023] The advantage of this invention is that by setting a number of ball bearings on the sliding base to support the electrode clamp, the resistance of the electrode clamp moving on the sliding base is reduced, which makes it easier for the electrode clamp to enter and exit the box.

[0024] According to some embodiments of the present invention, a translation seat is slidably arranged inside the box, and at least two sliding bases are arranged side by side on the translation seat. The translation seat moves back and forth, causing at least two sliding bases to alternately align with the box opening.

[0025] The advantages of this invention are: by sliding a translation seat inside the box, and having at least two sliding bases arranged side by side on the translation seat, the translation seat moves back and forth, causing at least two sliding bases to alternately align with the box opening. It can be understood that the electrode transfer device can carry at least two sets of electrodes, which is beneficial to improving the transfer efficiency of the electrode transfer device. When a fully loaded electrode clamp moves out of the sliding base and into the sealed chamber, the sliding base then carries the empty electrode clamp from the sealed chamber. The translation seat drives the empty electrode clamp to move away from the box opening, while another fully loaded electrode clamp moves to the box opening. Thus, the electrode transfer device can simultaneously transfer at least two sets of electrodes and transfer the empty electrode clamp out of the sealed chamber.

[0026] According to some embodiments of the present invention, the housing is provided with a driving assembly, which is used to drive the translation seat to translate. The driving assembly includes a gear, and the translation seat is provided with a rack. The gear and the rack mesh and transmit power.

[0027] The advantage of this invention is that by providing a drive assembly in the housing, which is used to drive the translation seat to move, the drive assembly includes a gear, and the translation seat is provided with a rack, and the gear and rack mesh to transmit power, thereby facilitating the smooth driving of the translation seat.

[0028] According to some embodiments of the present invention, the drive assembly further includes a rotating shaft and a knob. The rotating shaft is rotatably connected to the housing. The gear is disposed on the rotating shaft. The rotating shaft extends through the housing wall to the outside of the housing. One end of the rotating shaft extending to the outside of the housing is connected to the knob.

[0029] The advantages of this invention are that the drive assembly also includes a rotating shaft and a knob. The rotating shaft is rotatably connected to the housing, and the gear is mounted on the rotating shaft. The rotating shaft extends through the housing wall to the outside of the housing. One end of the rotating shaft extending to the outside of the housing is connected to the knob. This makes it convenient to use the knob to drive the gear to rotate outside the housing to drive the translation seat to move. In turn, it facilitates the driving operation of the translation seat.

[0030] According to some embodiments of the present invention, the driving component for driving the translation seat to translate may also include a push-pull rod, one end of which is connected to the translation seat, and the other end of which extends through the box wall of the box body to the outside of the box body.

[0031] The advantages of this invention are: by providing a driving component in the housing, the driving component is used to drive the translation seat to move. The driving component includes a push-pull rod, one end of which is connected to the translation seat, and the other end of which extends through the housing wall to the outside of the housing. This makes it convenient to push and pull the translation seat from outside the housing, and thus makes it more convenient for the driving component to drive the translation seat.

[0032] According to some embodiments of the present invention, the electrode clamp is provided with a slot, which is used to cooperate with a drive member in a sealed cavity having a protrusion that cooperates with the slot, so that the drive member drives the electrode clamp into the sealed cavity.

[0033] The advantage of this invention is that the electrode clamp is provided with a slot, which is used to cooperate with a drive member in the sealed cavity with a protrusion that cooperates with the slot, so that the drive member drives the electrode clamp into the sealed cavity, thereby facilitating the driving of the electrode clamp into the sealed cavity.

[0034] A solid-state battery production line according to a second aspect of the present invention includes an electrode transfer device according to a first aspect of the present invention.

[0035] The solid-state battery production line according to the embodiments of this utility model has at least the following beneficial effects:

[0036] This invention relates to an electrode transfer device comprising a housing and an electrode clamp. The electrode clamp is used to load electrodes. The housing has an opening and a door for opening or sealing the opening. The opening can communicate with the opening of a sealed chamber to form a sealed transport channel. The electrode clamp can move back and forth between the housing and the sealed chamber or between the housing and the external environment through the opening. Specifically, when the electrode transfer device moves to the opening of the sealed chamber, the opening of the electrode transfer device connects with the opening of the sealed chamber. Then, the door of the housing and the door of the sealed chamber are opened, thus achieving the connection between the housing and the sealed chamber. The enclosure is connected to the sealed chamber, and the opening of the enclosure can connect with the opening of the sealed chamber to form a sealed transport channel. This prevents hydrogen sulfide gas from leaking out of the sealed chamber when the door of the sealed chamber is opened. The electrode fixture enters the sealed chamber for processing electrodes through the transport channel via the enclosure opening, realizing the transfer of electrodes between the enclosure and the sealed chamber for processing electrodes. Moreover, the electrode fixture can move back and forth between the enclosure and the external environment, enabling electrodes to enter the enclosure from the external environment. This ensures that the electrodes can smoothly enter and exit the sealed chamber, while preventing the leakage of hydrogen sulfide gas in the sealed chamber during the process of the electrodes entering and exiting the sealed chamber.

[0037] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0038] To more clearly illustrate the technical solutions of the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0039] Figure 1 This is a schematic diagram of the electrode transfer device according to an embodiment of the present invention;

[0040] Figure 2 for Figure 1 The diagram shows the internal structure of the box.

[0041] Figure 3 for Figure 1 The diagram shows the structure of the electrode clamp.

[0042] Reference numerals: 100-box body, 110-box opening, 120-box door, 130-electrode clamp, 140-first guide rail, 150-roller, 160-connecting rod, 170-first handle, 180-sliding base, 190-ball bearing, 200-translation seat, 210-drive assembly, 220-gear, 230-rack, 240-rotating shaft, 250-knob, 260-slot, 270-visible sealed window, 280-locking groove, 290-second guide rail, 300-second handle, 310-limiting rod. Detailed Implementation

[0043] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0044] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0045] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" and "second" are mentioned, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of the indicated technical features.

[0046] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation, connection, and linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0047] The electrode transfer device and solid-state battery production line according to embodiments of the present invention are described below with reference to the accompanying drawings.

[0048] This utility model aims to provide embodiments of an electrode transfer device and a solid-state battery production line.

[0049] In this embodiment, the solid-state battery production line mainly includes an electrode transfer device.

[0050] Reference Figure 1 , Figure 2 and Figure 3 The electrode transfer device of this utility model embodiment includes a housing 100 and an electrode clamp 130.

[0051] For the housing 100, the housing 100 has a housing opening 110 and a housing door 120 for opening or sealing the housing opening 110, the housing opening 110 being able to communicate with the opening of a closed chamber to form a closed conveying channel.

[0052] The electrode clamp 130 is used to load electrodes. The electrode clamp 130 can be moved back and forth between the housing 100 and the sealed chamber through the opening 110, or between the housing 100 and the external environment.

[0053] This embodiment includes a housing 100 and an electrode holder 130. The electrode holder 130 is used to load electrodes. The housing 100 has a housing opening 110 and a door 120 for opening or sealing the housing opening 110. The housing opening 110 can communicate with the opening of a sealed chamber to form a sealed transport channel. The electrode holder 130 can move back and forth between the housing 100 and the sealed chamber through the housing opening 110, or back and forth between the housing 100 and the external environment. It is understood that when the electrode transfer device moves to the opening of the sealed chamber, the housing opening 110 of the electrode transfer device connects with the opening of the sealed chamber, and then the housing door 120 of the housing 100 and the door of the sealed chamber are opened. The enclosure 100 and the sealed chamber are connected. At the same time, the enclosure opening 110 can connect with the opening of the sealed chamber to form a sealed conveying channel, which can prevent hydrogen sulfide gas from leaking from the opening of the sealed chamber after the chamber door is opened. The electrode clamp 130 enters the sealed chamber for processing electrodes through the conveying channel via the enclosure opening 110, realizing the transfer of electrodes between the enclosure 100 and the sealed chamber for processing electrodes. Moreover, the electrode clamp 130 can move back and forth between the enclosure 100 and the external environment, realizing the entry of electrodes into the enclosure 100 from the external environment. Thus, it ensures that the electrodes can smoothly enter and exit the sealed chamber, while preventing the leakage of hydrogen sulfide gas in the sealed chamber during the process of the electrodes entering and exiting the sealed chamber.

[0054] In some specific embodiments, the door 120 is laterally positioned inside the box body 100, thereby avoiding interference between the door 120 and the sealed chamber, which would affect the seal between the box opening 110 and the opening of the sealed chamber.

[0055] Furthermore, a first guide rail 140 is provided inside the housing 100, and a roller 150 is provided on the door 120. The first guide rail 140 and the roller 150 cooperate to guide the door 120, thereby improving the smoothness of the door 120's movement when opening and closing. At the same time, the first guide rail 140 can limit the door 120, which is beneficial to the stability of the door 120's seal on the opening 110.

[0056] Furthermore, it also includes a connecting rod 160, one end of which is connected to the door 120, and the other end of which extends through the wall of the box 100 to the outside of the box 100, thereby facilitating the control of the opening and closing of the door 120 from outside the box 100 via the connecting rod 160.

[0057] Furthermore, a first handle 170 is provided at one end of the connecting rod 160 located outside the housing 100, thereby facilitating the opening and closing of the housing door 120 by pushing and pulling the connecting rod 160 using the first handle 170.

[0058] In some specific embodiments, in order to make the connecting rod 160 and the first handle 170 more stable, two connecting rods 160 can be provided, with one end of the two connecting rods 160 located outside the housing 100 respectively connected to the two ends of the first handle 170.

[0059] In some specific embodiments, in order to observe the state of the electrode sheets inside the housing 100 from outside the housing 100, multiple visual sealed windows 270 can be provided in the housing 100, so that the state of the electrode sheets inside the housing 100 can be observed from outside the housing 100 through the visual sealed windows 270.

[0060] In some specific embodiments, in order to improve the sealing between the box 100 and the sealed chamber, a locking groove 280 can be provided on the side wall edge of the box 100 near the box opening 110. The locking groove 280 cooperates with the lock of the sealed chamber to lock and fix the box 100, thereby making the position of the box 100 more secure and less prone to displacement, and thus improving the sealing between the box 100 and the sealed chamber.

[0061] In some specific embodiments, a sliding base 180 is provided inside the housing 100. The sliding base 180 supports the electrode clamp 130 to slide in and out of the housing opening 110, thereby making it easier for the electrode clamp 130 to enter and exit the housing opening 110.

[0062] Furthermore, the sliding base 180 is provided with a number of ball bearings 190, which are used to support the electrode clamp 130. This helps to reduce the resistance of the electrode clamp 130 moving on the sliding base 180, thereby making it easier for the electrode clamp 130 to enter and exit the box opening 110.

[0063] In some specific embodiments, a translation seat 200 is slidably disposed inside the housing 100, and at least two sliding bases 180 are arranged side by side on the translation seat 200. The translation seat 200 moves back and forth, causing at least two sliding bases 180 to alternately align with the housing opening 110.

[0064] Understandably, the electrode transfer device can carry at least two sets of electrodes, which is beneficial to improving the transfer efficiency of the electrode transfer device. When a fully loaded electrode clamp 130 moves out of the sliding base 180 and into the sealed chamber, the sliding base 180 then carries the empty electrode clamp 130 from the sealed chamber. The translation seat 200 drives the empty electrode clamp 130 to move away from the box opening 110. At the same time, another fully loaded electrode clamp 130 will move to the box opening 110. Thus, the electrode transfer device can transfer at least two sets of electrodes at the same time and transfer the empty electrode clamp 130 out of the sealed chamber.

[0065] Specifically, the translation seat 200 has two sliding bases 180 arranged side by side, and the box 100 has three material positions arranged side by side. Each material position can accommodate one sliding base 180. The box opening 110 is located in the middle material position. Thus, the translation seat 200 can move the two sliding bases 180 alternately to the box opening 110 when it moves between the three material positions.

[0066] In some specific embodiments, the housing 100 is provided with a second guide rail 290, and the translation seat 200 slides along the second guide rail 290, thereby making the movement direction of the translation seat 200 more accurate.

[0067] In some specific embodiments, the housing 100 is provided with a drive assembly 210, which is used to drive the translation seat 200 to translate. The drive assembly 210 includes a gear 220, and the translation seat 200 is provided with a rack 230. The gear 220 and the rack 230 mesh and transmit power, thereby facilitating the smooth driving of the translation seat 200.

[0068] Furthermore, the drive assembly 210 also includes a rotating shaft 240 and a knob 250. The rotating shaft 240 is rotatably connected to the housing 100. The gear 220 is mounted on the rotating shaft 240. The rotating shaft 240 extends through the housing wall of the housing 100 to the outside of the housing 100. One end of the rotating shaft 240 extending to the outside of the housing 100 is connected to the knob 250. This facilitates the rotation of the gear 220 by the knob 250 outside the housing 100 to drive the translation seat 200 to move, thereby facilitating the drive operation of the translation seat 200.

[0069] In other embodiments, the drive assembly 210 for driving the translation seat 200 to translate may also include a push-pull rod, one end of which is connected to the translation seat 200, and the other end of which extends through the wall of the housing 100 to the outside of the housing 100. This facilitates the movement of the translation seat 200 by pushing and pulling it from outside the housing 100, thereby making it more convenient for the drive assembly 210 to drive the translation seat 200.

[0070] Furthermore, a third handle can be provided at one end of the push-pull rod located outside the housing 100, thereby using the third handle to drive the push-pull rod, which in turn facilitates the operation of the drive assembly 210.

[0071] Furthermore, to make the push-pull rod and the third handle more stable, two push-pull rods can be installed, with one end of each push-pull rod located outside the housing 100 connected to both ends of the third handle.

[0072] In some specific embodiments, the electrode clamp 130 is provided with a slot 260, which is used to cooperate with a drive member in the sealed cavity that has a protrusion that cooperates with the slot 260, so that the drive member drives the electrode clamp 130 into the sealed cavity, thereby facilitating the drive of the electrode clamp 130 into the sealed cavity.

[0073] In some specific embodiments, the electrode clamp 130 is provided with a second handle 300, which is used to manually push and pull the electrode clamp 130 to move, thereby facilitating the manual pushing and pulling of the electrode clamp 130 into and out of the housing 100.

[0074] In some specific embodiments, the electrode clamp 130 is provided with a plurality of limiting rods 310, which limit the sides of the stacked electrodes respectively, thereby preventing the electrodes from tipping out of the electrode clamp 130.

[0075] In the description of this specification, references to terms such as "an embodiment," "some embodiments," "illustrative embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0076] The terms "first," "second," "third," "fourth," etc. (if applicable) in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments described herein can be implemented in a sequence other than that illustrated or described herein.

[0077] It should also be noted that, in the description of this specification, 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.

[0078] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion, such that a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may also include other steps or units that are not explicitly listed or that are inherent to such processes, methods, products, or apparatus.

[0079] 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.

[0080] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A pole piece transfer device, characterized by, The box (100) has a box mouth (110) and a box door (120) for opening or sealing the box mouth (110), and the box mouth (110) can communicate with the cavity mouth of the sealed cavity to form a sealed conveying channel. The pole piece clamp (130) is used to load the pole piece and can be transferred back and forth between the box (100) and the sealed cavity through the box mouth (110), or between the box (100) and the external environment. The box door (120) is translational arranged inside the box (100).

2. The pole piece transfer device of claim 1, wherein, The box (100) is provided with a first guide rail (140), and the box door (120) is provided with a roller (150), and the first guide rail (140) and the roller (150) cooperate to guide the box door (120).

3. The pole piece transfer device of claim 2, wherein, It also includes a connecting rod (160), one end of the connecting rod (160) is connected with the box door (120), and the other end of the connecting rod (160) extends to the outside of the box (100) through the box wall of the box (100).

4. The pole piece transfer device of claim 2, wherein, The end of the connecting rod (160) outside the box (100) is provided with a first handle (170).

5. The pole piece transfer device of claim 4, wherein, The box (100) is provided with a sliding base (180), and the sliding base (180) supports the pole piece clamp (130) to slide in and out of the box mouth (110).

6. The pole piece transfer device of claim 1, wherein, A plurality of ball bearings (190) are arranged on the sliding base (180), and the plurality of ball bearings (190) are used to support the pole piece clamp (130).

7. The pole piece transfer device of claim 6, wherein, The box (100) is provided with a translational seat (200), and at least two sliding bases (180) are arranged side by side on the translational seat (200), and the translational seat (200) drives at least two sliding bases (180) to alternately align the box mouth (110) by reciprocating translation.

8. The pole piece transfer device of claim 6, wherein, The box (100) is provided with a driving assembly (210) for driving the translational seat (200) to translate, and the driving assembly (210) includes a gear (220), and the translational seat (200) is provided with a rack (230), and the gear (220) and the rack (230) are engaged and driven.

9. The pole piece transfer device of claim 8, wherein, The driving assembly (210) further includes a rotating shaft (240) and a knob (250), the rotating shaft (240) is rotatably connected with the box (100), the gear (220) is arranged on the rotating shaft (240), the rotating shaft (240) extends to the outside of the box (100) through the box wall of the box (100), and one end of the rotating shaft (240) extending to the outside of the box (100) is connected with the knob (250).

10. The pole piece transfer device of claim 9, wherein, The box (100) is provided with a driving assembly (210) for driving the translational seat (200) to translate, and the driving assembly (210) includes a push-pull rod, one end of the push-pull rod is connected with the translational seat (200), and the other end of the push-pull rod extends to the outside of the box (100) through the box wall of the box (100).

11. The pole piece transfer device of claim 8, wherein, ​ 12. The pole piece transfer device of claim 1, wherein, The pole piece clamp (130) is provided with a clamping groove (260), which is used for cooperating with a driving member provided with a convex part in the sealed cavity, so that the driving member drives the pole piece clamp (130) to enter the sealed cavity.

13. Solid-state battery production line, characterized by, The pole piece transfer device comprises the pole piece clamp according to any one of claims 1 to 12.

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