Battery transfer device

Abstract

The utility model belongs to the technical field of battery production, and discloses a battery transfer device which comprises a transfer trolley and a loading mechanism, a containing cavity is formed in the transfer trolley, a first notch is formed in the side face, penetrating through the transfer trolley, of the containing cavity in the first direction, and a plurality of supporting plates are arranged in the containing cavity at intervals in the vertical direction; the loading mechanisms are arranged on the side, provided with the first notch, of the transfer trolley at intervals in the first direction and comprise driving mechanisms and transferring assemblies arranged on the driving mechanisms, the transferring assemblies are used for grabbing batteries to be fed, and the driving mechanisms are used for driving the transferring assemblies. And the batteries are arranged on each layer of supporting plate of the transfer trolley one by one in the vertical direction. According to the battery transfer device, the driving mechanism is used for driving the transfer assembly to grab the batteries and install the batteries on the transfer trolley one by one, automatic loading of the batteries in the transfer trolley is achieved, the manual operation intensity is reduced, and the production efficiency of battery transfer is improved.

Description

Technical Field

[0001] This utility model relates to the field of battery production equipment technology, and in particular to a battery transfer device. Background Technology

[0002] Lithium-ion batteries have advantages such as high voltage, high specific energy, many cycles, and long storage time. They are widely used not only in portable electronic devices such as mobile phones, digital cameras, and laptops, but also in large and medium-sized electric equipment such as electric vehicles, electric bicycles, and power tools. Therefore, the safety requirements for lithium-ion batteries are becoming increasingly stringent.

[0003] In the lithium-ion battery production process, the transfer and storage of lithium batteries are crucial steps in determining battery safety and quality. Currently, to facilitate the transfer of lithium batteries, transfer trolleys are typically used, with workers stacking the batteries on the trolleys for transport. However, stacking batteries during transfer can easily lead to mutual compression or friction damage, even destroying the batteries. Furthermore, the manual, repetitive loading and unloading process is arduous and inefficient. Utility Model Content

[0004] The purpose of this utility model is to provide a battery transfer device with a simple structure and a loading mechanism that can automatically load batteries onto the transfer vehicle, resulting in high production efficiency.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A battery transfer device is provided, comprising a transfer vehicle and a loading mechanism. The transfer vehicle has a receiving cavity, and the receiving cavity has a first slot formed through one side of the transfer vehicle along a first direction. A plurality of trays are spaced apart in the receiving cavity along a vertical direction. The loading mechanism is spaced apart along the first direction on the side of the transfer vehicle where the first slot is provided. The loading mechanism includes a drive mechanism and a transfer component disposed on the drive mechanism. The transfer component is used to grab batteries to be loaded. The drive mechanism is used to drive the transfer component to grab the batteries and load them one by one onto each of the trays on each layer of the transfer vehicle along the vertical direction. The first direction is set at an angle to the vertical direction.

[0007] As a preferred embodiment of the battery transfer device, the pallet is further provided with a positioning component. The positioning component includes a first positioning member and a second positioning block. The first positioning member includes two first positioning blocks spaced apart on the pallet along a second direction, and the length of the first positioning block extends along the first direction. The first positioning block includes a first supporting portion and two first limiting portions spaced apart on the first supporting portion along the first direction. At least one second positioning block is provided on each side of the first positioning member along the second direction. All the first limiting portions and the second positioning blocks enclose a first placement groove for defining the battery. The first direction, the second direction and the vertical direction are arranged at an angle to each other.

[0008] As a preferred embodiment of the battery transfer device, the transfer assembly includes a mounting base and a third positioning block. The mounting base is disposed at the drive end of the drive mechanism. The third positioning block is disposed on the side of the mounting base facing the transfer vehicle along the first direction. The third positioning block includes a second supporting portion and a second limiting portion. The second supporting portion is connected to the mounting base. The second limiting portion is disposed at the end of the second supporting portion away from the mounting base. The second limiting portion and the mounting base are spaced apart to form a second placement groove for placing the battery.

[0009] As a preferred embodiment of the battery transfer device, the two first positioning blocks are spaced apart along the first direction to form an installation gap. The transfer assembly further includes a first driving member and a clamping block. The first driving member is disposed on the mounting base, and the clamping block is disposed on the driving end of the first driving member. The clamping block and the second limiting part are spaced apart to form a clamping groove for defining the battery. The driving mechanism is pulsatorically connected to the mounting base to drive the third positioning block to be inserted into the installation gap and place the battery in the clamping groove onto the first placement groove.

[0010] As a preferred embodiment of the battery transfer device, at least two positioning components are spaced apart along the second direction on the pallet, and at least two third positioning blocks are spaced apart along the second direction on the mounting base, wherein the number of positioning components corresponds one-to-one with the number of third positioning blocks.

[0011] As a preferred embodiment of the battery transfer device, the transfer assembly further includes a connecting block, which is slidably connected to the mounting base. The connecting block is disposed at the driving end of the first driving member, and a clamping block is disposed on the connecting block at a position relative to each of the third positioning blocks.

[0012] As a preferred embodiment of the battery transfer device, the battery transfer device has a designated loading position located on one side of the loading mechanism along the first direction. The battery transfer device also includes a fixing frame and a first sensor disposed on the fixing frame. The fixing frame is spaced apart on one side of the designated loading position. The first sensor is used to sense whether the transfer vehicle is located at the designated loading position.

[0013] As a preferred embodiment of the battery transfer device, the transfer vehicle has locking slots on both sides along the second direction. The battery transfer device also includes a locking mechanism. The locking mechanism is provided on both sides of the designated loading position along the second direction. The locking mechanism includes a second driving member and a locking block. The second driving member is throttledly connected to the locking block to drive the locking block to engage with the locking slot.

[0014] As a preferred embodiment of the battery transfer device, the battery transfer device further includes a fixing frame and a second sensor disposed on the fixing frame. The fixing frame is spaced apart on one side of the transfer vehicle along a second direction. The receiving cavity extends through the top of the transfer vehicle to form a second slot. The loading mechanism places the battery onto each of the trays inside the transfer vehicle from bottom to top along the vertical direction. The transfer vehicle has a top tray that extends away from the ground along the vertical direction. The battery on the top tray is at least partially exposed through the second slot. The second sensor is used to sense whether there is a battery exposed through the second slot on the top tray.

[0015] As a preferred embodiment of the battery transfer device, the driving mechanism includes a third driving member and a motor module. The transfer component is disposed at the driving end of the motor module, and the motor module can drive the transfer component to move along the vertical direction. The motor module is disposed at the driving end of the third driving member, and the third driving member can drive the motor module and the transfer component to move along the first direction.

[0016] The beneficial effects of this utility model are as follows: By using a drive mechanism to drive the transfer component to grab batteries and install them one by one onto the transfer vehicle, the automatic loading of batteries in the transfer vehicle is realized, reducing the intensity of manual labor and improving the production efficiency of battery transfer. Furthermore, by reducing manual intervention on the batteries, contact contamination of the batteries can be reduced, ensuring the production quality of the batteries. By setting multiple trays at intervals in the transfer vehicle to separate the placement of batteries, the situation of mutual squeezing or friction between batteries can be reduced, ensuring the product quality during the battery transfer process. Attached Figure Description

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a schematic diagram of the battery transfer device according to an embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of the structure of the transfer vehicle according to an embodiment of the present utility model;

[0020] Figure 3 This is a schematic diagram of the positioning component according to an embodiment of the present utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the transfer component according to an embodiment of the present invention;

[0022] Figure 5 This is a schematic diagram of the cooperation between the transfer component and the positioning component in an embodiment of this utility model;

[0023] Figure 6 This is a schematic diagram of the loading mechanism according to an embodiment of the present utility model.

[0024] In the picture:

[0025] 100. Battery;

[0026] 1. Transfer vehicle; 11. Receiving cavity; 12. First slot; 13. Pallet; 14. Positioning assembly; 141. First positioning block; 1411. First supporting part; 1412. First limiting part; 142. Second positioning block; 143. First placement slot; 144. Installation gap; 15. Snap-fit ​​slot; 16. Second slot; 2. Loading mechanism; 21. Drive mechanism; 211. Third drive component; 212. Motor module; 22. Transfer assembly; 221. Mounting base; 222. Third positioning block; 2221. Second supporting part; 2222. Second limiting part; 223. Second placement slot; 224. First drive component; 225. Clamping block; 226. Clamping slot; 227. Connecting block; 3. Designated loading position; 4. Fixing frame; 5. First sensor; 6. Locking mechanism; 61. Second drive component; 62. Locking block; 7. Second sensor. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0028] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction 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.

[0029] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0030] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0031] like Figure 1 and Figure 2 As shown, the battery transfer device of this utility model embodiment includes a transfer vehicle 1 and a loading mechanism 2. The transfer vehicle 1 has a receiving cavity 11, and the receiving cavity 11 has a first slot 12 formed through one side of the transfer vehicle 1 along a first direction (the first direction is the X direction shown in the figure). Multiple trays 13 are arranged at intervals along the vertical direction in the receiving cavity 11 (the vertical direction is the Z direction shown in the figure). The loading mechanism 2 is arranged at intervals along the first direction on the side of the transfer vehicle 1 where the first slot 12 is provided. The loading mechanism 2 includes a drive mechanism 21 and a transfer component 22 disposed on the drive mechanism 21. The transfer component 22 is used to grab the batteries 100 to be loaded. The drive mechanism 21 is used to drive the transfer component 22 to grab the batteries 100 and load them one by one onto each tray 13 of the transfer vehicle 1 along the vertical direction. The first direction is set at an angle to the vertical direction.

[0032] It is understandable that by using the drive mechanism 21 to drive the transfer component 22 to grab the batteries 100 and install them one by one onto the transfer vehicle 1, the automatic loading of the batteries 100 in the transfer vehicle 1 is realized, reducing the intensity of manual labor and improving the loading efficiency of battery 100 transfer. Furthermore, by reducing manual intervention on the batteries 100, contact contamination of the batteries 100 can be reduced, ensuring the production quality of the batteries 100. By setting multiple trays 13 at intervals in the transfer vehicle 1 to separate the placement of the batteries 100, the situation of mutual squeezing or friction between the batteries 100 can be reduced, ensuring the product quality of the batteries 100 during the transfer process.

[0033] Furthermore, such as Figure 2 and Figure 3 As shown, a positioning component 14 is also provided on the tray 13. The positioning component 14 includes a first positioning member and a second positioning block 142. The first positioning member includes two first positioning blocks 141 that are spaced apart on the tray 13 along a second direction (the second direction is the Y direction shown in the figure). The length of the first positioning block 141 extends along a first direction. The first positioning block 141 includes a first supporting part 1411 and two first limiting parts 1412 that are spaced apart on the first supporting part 1411 along the first direction. At least one second positioning block 142 is provided on each side of the first positioning member along the second direction. All the first limiting parts 1412 and the second positioning blocks 142 surround to form a first placement groove 143 for defining the battery 100. The first direction, the second direction and the vertical direction are arranged at an angle to each other. That is, by using the second positioning blocks 142 spaced apart along the second direction to limit the battery 100 placed on the tray 13 in the second direction, and by using the first limiting parts 1412 spaced apart in the first direction to limit the battery 100 in the first direction, the battery 100 can be prevented from shaking or slipping, thus effectively ensuring the stability of the battery 100 on the tray 13.

[0034] In this embodiment, the first positioning block 141 consists of a first support block and two second support blocks symmetrically arranged on both sides of the first support block along a first direction. The second support block includes a first limiting part 1412 and a first supporting part 1411 arranged at an included angle. The first support block serves as the first supporting part 1411, that is, the first supporting part 1411 can support the battery 100 along the length of the first direction, reducing the possibility of the battery 100 collapsing or denting downwards due to its own weight. By splitting the first positioning block 141 into a first support block and two second support blocks with identical structures, the production of the first positioning block 141 is facilitated, and the production cost of the first positioning block 141 is effectively reduced.

[0035] Furthermore, such as Figure 1 and Figure 4As shown, the transfer assembly 22 includes a mounting base 221 and a third positioning block 222. The mounting base 221 is disposed at the drive end of the drive mechanism 21. The third positioning block 222 is disposed on the side of the mounting base 221 facing the transfer vehicle 1 along the first direction. The third positioning block 222 includes a second supporting part 2221 and a second limiting part 2222. The second supporting part 2221 is connected to the mounting base 221. The second limiting part 2222 is disposed at the end of the second supporting part 2221 away from the mounting base 221. The second limiting part 2222 and the mounting base 221 are spaced apart to form a second placement groove 223 for placing the battery 100. The drive mechanism 21 drives the transfer assembly 22 to the battery loading position. The loading robot places the battery 100 into the second placement groove 223, realizing the loading of the battery 100 by the transfer assembly 22.

[0036] Furthermore, such as Figure 3 , Figure 4 and Figure 5 As shown, two first positioning blocks 141 are spaced apart along a first direction to form an installation gap 144. The transfer assembly 22 also includes a first driving member 224 and a clamping block 225. The first driving member 224 is disposed on the mounting base 221, and the clamping block 225 is disposed on the driving end of the first driving member 224. The clamping block 225 and the second limiting part 2222 are spaced apart to form a clamping groove 226 for limiting the battery 100. The driving mechanism 21 is connected to the mounting base 221 to drive the third positioning block 222 to be inserted into the installation gap 144 and place the battery 100 in the clamping groove 226 onto the first placement groove 143. The first driving member 224 drives the clamping block 225 to clamp the battery 100, so that when the battery 100 is placed in the second placement slot 223, it is clamped by the clamping block 225 and the second limiting part 2222, which improves the placement stability of the battery 100 in the transfer assembly 22 and prevents the battery 100 from slipping during the transfer of the battery 100 by the vehicle loading mechanism 2.

[0037] Specifically, in combination Figure 1 and Figure 6 As shown, the drive mechanism 21 includes a third drive component 211 and a motor module 212. The transfer component 22 is disposed at the drive end of the motor module 212, and the motor module 212 can drive the transfer component 22 to move vertically. The motor module 212 is disposed at the drive end of the third drive component 211, and the third drive component 211 can drive the motor module 212 and the transfer component 22 to move in a first direction. In this embodiment, the third drive component 211 uses a motor to drive a worm gear transmission in conjunction with a slide rail slide to achieve drive, while the motor module 212 uses a motor to drive a belt in conjunction with a slide rail slide for transmission, resulting in high motor control precision.

[0038] It is understandable that, such as Figures 1 to 6As shown, taking the loading of the first battery 100 as an example, the third drive unit 211 moves the motor module 212 and the transfer component 22 along the first direction to the end away from the transfer vehicle 1. Then, the motor module 212 lifts the transfer component 22 to the loading position. The motor module 212 is equipped with a loading sensor to sense the arrival of the transfer component 22. Subsequently, the loading robot places the battery 100 into the second placement slot 223. The first drive unit 224 then controls the clamping block 225 to clamp the battery 100. Then, the motor module 212 controls the transfer component 22 to move down to the position of the first bottom tray 13. The motor module 212 and the first drive unit 224 remain stationary. The third drive unit 211 drives the motor module 212 and the transfer component 22 to move along the first direction to the end adjacent to the transfer vehicle 1, i.e., the transfer position. The third drive unit 211 is equipped with... A transfer sensor is used to sense the arrival of the motor module 212. At this time, the third positioning block 222 of the transfer component 22 is inserted into the installation gap 144, and the battery 100 is located above the first placement slot 143. Then, the motor module 212 controls the transfer component 22 to move down a specified distance so that the battery 100 is supported on the first support part 1411. Then, the first drive member 224 controls the clamping block to move away from the second limit part 2222 to release the battery 100. Then, the motor module 212 controls the transfer component 22 to move down a specified space so that the battery 100 is completely placed in the first placement slot 143 of the tray 13. The third drive member 211 then drives the motor module 212 and the transfer component 22 to move away from the transfer vehicle 1 in the first direction so that the third positioning block 222 is disengaged from the installation gap 144 and returns to the loading position for the loading of the next battery 100.

[0039] In addition, it should be noted that the vertical dimension of the third positioning block 222 is smaller than that of the first support portion 1411 in order to ensure that the third positioning block 222 can be pulled out from the installation gap 144 when the battery 100 is placed on the first support portion 1411.

[0040] Preferably, at least two positioning components 14 are spaced apart along the second direction on the pallet 13, and at least two third positioning blocks 222 are spaced apart along the second direction on the mounting base 221. The number of positioning components 14 corresponds one-to-one with the number of third positioning blocks 222. By setting multiple positioning components 14 and combining multiple positioning blocks, multiple batteries 100 can be transferred and loaded onto the vehicle, effectively improving the transfer efficiency of the batteries 100.

[0041] Optionally, such as Figure 4As shown, the transfer assembly 22 also includes a connecting block 227, which is slidably connected to the mounting base 221. The connecting block 227 is disposed at the driving end of the first driving member 224, and a clamping block 225 is disposed on the connecting block 227 at a position relative to each third positioning block 222. The first driving member 224 controls the connecting block 227 so that the multiple clamping blocks 225 on the connecting block 227 can simultaneously clamp multiple batteries 100 on multiple third positioning blocks 222. The clamping synchronization is high, and the use of the first driving member 224 can be reduced, thereby reducing the structural space occupied and cost of the transfer assembly 22.

[0042] In some embodiments, such as Figure 1 , Figure 2 and Figure 6 As shown, the battery transfer device has a designated loading position 3 located on one side of the loading mechanism 2 along a first direction. The battery transfer device also includes a fixing frame 4 and a first sensor 5 disposed on the fixing frame 4. The fixing frames 4 are spaced apart on one side of the designated loading position 3. The first sensor 5 is used to sense whether the transfer vehicle 1 has reached the designated loading position 3. For example, two fixing frames 4 are spaced apart along a second direction at one end of the designated loading position 3 adjacent to the loading mechanism 2. The first sensor 5 includes a transmitter and a receiver. The transmitter is disposed on one fixing frame 4 and the receiver is disposed on the other fixing frame 4. The transmitter emits a light signal toward the receiver. When the transfer vehicle 1 moves to the designated loading position 3, the transfer vehicle 1 will block the light signal, and the first sensor 5 will feed back a signal to detect that the transfer vehicle is in place and the loading mechanism 2 can begin operation.

[0043] Furthermore, the transfer vehicle 1 has locking slots 15 on both sides along the second direction. The battery transfer device also includes a locking mechanism 6. The designated loading position 3 is provided with locking mechanisms 6 on both sides along the second direction. The locking mechanism 6 includes a second driving member 61 and a locking block 62. The second driving member 61 is convexly connected to the locking block 62 to drive the locking block 62 to engage with the locking slot 15. The second driving member 61 is set on one side of the designated loading position 3 through a fixed seat. When the first sensor 5 senses that the transfer vehicle 1 is placed in position, the second driving member 61 drives the locking block 62 to engage with the locking slot 15 to fix the position of the transfer vehicle 1, thereby improving the positional stability of the battery 100 installed on the transfer vehicle 1 and reducing the occurrence of the transfer vehicle 1 moving due to contact between the loading mechanism 2 and the transfer vehicle 1 or the transfer vehicle 1 sliding due to ground conditions.

[0044] It should be noted that the first driving component 224 and the second driving component 61 can be any one of the linear drive mechanisms 21 such as pneumatic cylinder, hydraulic cylinder, or electric cylinder, which has a relatively simple structure and low investment cost.

[0045] Furthermore, the battery transfer device also includes a fixing frame 4 and a second sensor 7 mounted on the fixing frame 4. The fixing frame 4 is spaced apart on one side of the transfer vehicle 1 along the second direction. The receiving cavity 11 extends through the top of the transfer vehicle 1 and forms a second slot 16. The loading mechanism 2 places batteries 100 onto each tray 13 inside the transfer vehicle 1 from bottom to top in a vertical direction. The transfer vehicle 1 has a top tray 13 that extends vertically away from the ground. At least part of the batteries 100 on the top tray 13 are exposed through the second slot 16. The second sensor 7 is used to sense whether there are batteries 100 exposed through the second slot 16 on the top tray 13. By sensing the batteries 100 on the top tray 13 by the second sensor 7, it is known that the transfer vehicle 1 is full of batteries 100, facilitating the next process and reducing waiting time. At this time, the second drive member 61 drives the locking block 62 to separate from the locking groove 15, and the transfer vehicle 1 can be transported from the designated loading position 3 to the next process.

[0046] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A battery transfer device, characterized in that, include: A transfer vehicle has a receiving cavity inside, and the receiving cavity has a first slot formed through one side of the transfer vehicle along a first direction. Multiple trays are arranged at intervals along the vertical direction inside the receiving cavity. A loading mechanism is provided at intervals along the first direction on one side of the transfer vehicle where the first slot is provided. The loading mechanism includes a drive mechanism and a transfer component provided on the drive mechanism. The transfer component is used to grab the batteries to be loaded. The drive mechanism is used to drive the transfer component to grab the batteries and load them one by one onto each pallet of the transfer vehicle along the vertical direction. The first direction is set at an angle to the vertical direction.

2. The battery transfer device according to claim 1, characterized in that, The pallet is also provided with a positioning component, which includes a first positioning element and a second positioning block. The first positioning element includes two first positioning blocks spaced apart on the pallet along a second direction, and the length of the first positioning block extends along the first direction. The first positioning block includes a first supporting portion and two first limiting portions spaced apart on the first supporting portion along the first direction. At least one second positioning block is provided on each side of the first positioning element along the second direction. All the first limiting portions and the second positioning blocks enclose a first placement groove for defining the battery. The first direction, the second direction and the vertical direction are arranged at an angle to each other.

3. The battery transfer device according to claim 2, characterized in that, The transfer assembly includes a mounting base and a third positioning block. The mounting base is disposed at the drive end of the drive mechanism. The third positioning block is disposed on the side of the mounting base facing the transfer vehicle along the first direction. The third positioning block includes a second supporting part and a second limiting part. The second supporting part is connected to the mounting base. The second limiting part is disposed at the end of the second supporting part away from the mounting base. The second limiting part and the mounting base are spaced apart to form a second placement groove for placing the battery.

4. The battery transfer device according to claim 3, characterized in that, The two first positioning blocks are spaced apart along the first direction to form an installation gap. The transfer assembly further includes a first driving member and a clamping block. The first driving member is disposed on the mounting base, and the clamping block is disposed on the driving end of the first driving member. The clamping block and the second limiting part are spaced apart to form a clamping groove for defining the battery. The driving mechanism is pulsatorically connected to the mounting base to drive the third positioning block to be inserted into the installation gap and place the battery in the clamping groove onto the first placement groove.

5. The battery transfer device according to claim 4, characterized in that, At least two positioning components are spaced apart along the second direction on the pallet, and at least two third positioning blocks are spaced apart along the second direction on the mounting base, with the number of positioning components corresponding one-to-one with the number of third positioning blocks.

6. The battery transfer device according to claim 5, characterized in that, The transfer assembly further includes a connecting block, which is slidably connected to the mounting base. The connecting block is disposed at the driving end of the first driving member, and a clamping block is disposed on the connecting block at a position relative to each of the third positioning blocks.

7. The battery transfer device according to any one of claims 1-6, characterized in that, The battery transfer device has a designated loading position located on one side of the loading mechanism along the first direction. The battery transfer device also includes a fixing frame and a first sensor disposed on the fixing frame. The fixing frame is spaced apart on one side of the designated loading position. The first sensor is used to sense whether the transfer vehicle is located at the designated loading position.

8. The battery transfer device according to claim 7, characterized in that, The transfer vehicle has locking slots on both sides along the second direction. The battery transfer device also includes a locking mechanism. The locking mechanism is provided on both sides of the designated loading position along the second direction. The locking mechanism includes a second driving member and a locking block. The second driving member is pulsatorically connected to the locking block so as to drive the locking block to engage with the locking slot.

9. The battery transfer device according to any one of claims 1-6, characterized in that, The battery transfer device further includes a fixing frame and a second sensor disposed on the fixing frame. The fixing frame is spaced apart on one side of the transfer vehicle along a second direction. The receiving cavity extends through the top of the transfer vehicle to form a second slot. The loading mechanism places the battery onto each of the trays inside the transfer vehicle from bottom to top along the vertical direction. The transfer vehicle has a top tray that extends away from the ground along the vertical direction. The battery on the top tray is at least partially exposed through the second slot. The second sensor is used to sense whether there is a battery exposed through the second slot on the top tray.

10. The battery transfer device according to any one of claims 1-6, characterized in that, The driving mechanism includes a third driving component and a motor module. The transfer component is disposed at the driving end of the motor module. The motor module can drive the transfer component to move along the vertical direction. The motor module is disposed at the driving end of the third driving component. The third driving component can drive the motor module and the transfer component to move along the first direction.

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