Battery attitude conversion device

Abstract

The utility model discloses a battery posture conversion device. The battery posture conversion device comprises a turnover module, a pitch changing module and a driving device, the overturning module comprises a rotationally arranged overturning frame, a clamp assembly and a first driving assembly, the driving device is in transmission connection with the overturning frame, the clamp assembly is movably installed on the overturning frame, the clamp assembly is provided with at least two clamping parts at intervals along the rotating axis of the overturning frame, and the first driving assembly is in transmission connection with the clamp assembly; the variable pitch module comprises at least two fixing pieces and a second driving assembly, the at least two fixing pieces are movably installed on the overturning frame and arranged at intervals along the rotating axis of the overturning frame, the at least two fixing pieces are further arranged in one-to-one correspondence with the at least two clamping parts, and the second driving assembly is in transmission connection with the at least two fixing pieces. According to the technical scheme provided by the invention, the battery turnover and pitch changing functions can be realized at the same time, and meanwhile, the transfer device and the transfer time are saved, so that the battery processing efficiency is indirectly improved.

Description

Technical Field

[0001] The present application relates to the technical field of automation equipment, and in particular to a battery posture changing device. Background Art

[0002] The manufacturing industry has high labor costs and low efficiency, and automated production technology is widely used. In the process of automated battery production, a battery posture change device is usually required to adjust the battery posture to adapt to different battery processing devices.

[0003] The battery posture changing device generally only flips the battery from a horizontal position to a vertical position, that is, flips it 90°, to meet the battery posture requirements of the battery processing device. However, some battery processing devices also have requirements for the spacing between batteries. Therefore, after the battery posture changing device adjusts the battery posture, it is necessary to add a battery distance changing device to perform distance changing operations on multiple batteries.

[0004] In the prior art, in order to meet the requirements of some battery processing devices, a battery posture changing device and a battery pitch changing device are needed to adjust the posture of the battery. In this way, the battery posture changing device and the battery pitch changing device need to occupy a larger space. At the same time, a transfer device is required to be added between the battery posture changing device and the battery pitch changing device. In this way, not only a larger space is required, but also the time for transferring the battery is increased, thereby reducing the efficiency of battery processing. Utility Model Content

[0005] The main purpose of the present application is to provide a battery posture changing device, which aims to improve the problem in the existing battery posture changing device that after flipping the battery, the battery cannot be changed in distance, and needs to be used in conjunction with the battery distance changing device, resulting in the need to occupy a larger space.

[0006] In order to achieve the above-mentioned purpose, the battery posture changing device proposed in the present application comprises a flip module, a pitch changing module and a driving device; wherein:

[0007] The flip module comprises a rotatable flip frame, a clamp assembly and a first driving assembly, the driving device is in transmission connection with the flip frame, the clamp assembly is movably mounted on the flip frame, the clamp assembly is provided with at least two clamping parts at intervals along the axis of rotation of the flip frame, and the first driving assembly is in transmission connection with the clamp assembly;

[0008] The pitch-changing module comprises at least two fixing members and a second driving assembly, wherein the at least two fixing members are movably mounted on the flip frame and are arranged at intervals along the axis of rotation of the flip frame, and the at least two fixing members are also arranged one-to-one correspondingly to the at least two clamping parts, and the second driving assembly is respectively connected to the at least two fixing members in a transmission manner;

[0009] Wherein, after the driving device drives the flip frame to rotate, the first driving component drives the clamping component to move toward the direction close to the at least two fixing parts, and transfers the battery clamped by each clamping part to the corresponding fixing part, and the second driving component drives the at least two fixing parts to change the distance.

[0010] In some embodiments of the present application, the clamp assembly includes two clamping structures, the two clamping structures are slidably mounted on opposite sides of the flip frame, and the first driving assembly includes two first driving units, the two first driving units are respectively connected to the corresponding clamping structures in a transmission manner, so that the two clamping structures can move towards or away from the at least two fixing members respectively;

[0011] Each of the clamping structures is provided with at least two clamping grooves on one side facing the other clamping structure, and the at least two clamping grooves of one clamping structure are matched with the at least two clamping grooves of the other clamping structure in a one-to-one correspondence to form the at least two clamping parts.

[0012] In some embodiments of the present application, first guide rails are respectively provided on opposite sides of the flip frame, and the two clamping structures are respectively slidably installed on the corresponding first guide rails.

[0013] In some embodiments of the present application, the first driving unit is disposed at one end of the first guide rail, and a stopper is disposed at the other end of the first guide rail to limit the clamping structure from detaching from the first guide rail.

[0014] In some embodiments of the present application, each of the clamping structures includes a mounting plate, a clamping member and a driving member, the mounting plate is slidably mounted on the flip frame, the clamping member is movably mounted on the mounting plate, the driving member is fixedly mounted on the mounting plate and is transmission-connected to the clamping member to drive the clamping member to move toward or away from another clamping structure, wherein the clamping groove is formed on the side of the clamping member facing the other clamping structure.

[0015] In some embodiments of the present application, each of the clamping structures further includes a guide column, one end of which is fixedly connected to a side of the clamping member facing away from the clamping groove, the other end of the guide column passes through the mounting plate, and the peripheral wall of the guide column is slidably matched with the mounting plate.

[0016] In some embodiments of the present application, the at least two fixing members are respectively slidably installed on the flip frame, and the second driving assembly drives the at least two fixing members to slide relative to the flip frame, so that the at least two fixing members can respectively approach or move away from each other along the axis of rotation of the flip frame to drive the battery to change distance.

[0017] In some embodiments of the present application, the flip frame is further provided with a second guide rail, the second guide rail is arranged parallel to the axis of rotation of the flip frame, the at least two fixing members are respectively slidably mounted on the second guide rail, and the at least two fixing members are both provided with a sliding portion;

[0018] The second driving assembly includes a second driving unit and a driving plate, the driving plate is provided with at least two variable pitch guide grooves with preset trajectories, the sliding parts of the at least two fixing members are respectively slidably matched with the corresponding variable pitch guide grooves, the second driving unit is transmission connected with the driving plate to drive the driving plate to move in a direction perpendicular to the axis of rotation of the flip frame, so that the at least two fixing members are respectively approached to or away from each other along the axis of rotation of the flip frame under the action of the driving plate.

[0019] In some embodiments of the present application, the flip frame is also provided with a third guide rail, the third guide rail is perpendicular to the axis of rotation of the flip frame, the drive plate is slidably installed on the third guide rail, the second drive unit is fixedly installed on the flip frame, and the drive end of the second drive unit is fixedly connected to the drive plate.

[0020] In some embodiments of the present application, each of the sliding parts includes a positioning column protruding from the fixing member and a bearing, the bearing is sleeved on the circumferential side of the positioning column, and the circumferential side of the bearing is in rolling contact with the side wall of the variable pitch guide groove.

[0021] Through the above technical solution, the present application can not only drive the flip frame to rotate through the driving device, drive the clamp assembly on the flip frame to rotate, and synchronously drive the battery clamped by the clamp assembly to rotate to achieve the flipping of the battery, but also drive the clamp assembly to move in the direction close to at least two fixed parts through the first driving component, transfer the battery clamped by each clamping part to the corresponding fixed part, and then drive the at least two fixed parts to change the distance through the second driving component to achieve the battery distance change operation. In this way, compared with the prior art, the battery posture change device of the present application drives the flip frame to rotate through the driving device to achieve the flipping of the battery, and drives the at least two fixed parts to change the distance through the second driving component to achieve the battery distance change, so that it has both the functions of flipping and changing the distance of the battery, and the two operations of flipping and changing the distance of the battery do not need to be transferred between different devices, saving the transfer device and the time of transfer, thereby indirectly improving the efficiency of battery processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0023] Figure 1 This is a schematic structural diagram of an embodiment of a battery posture changing device of the present application;

[0024] Figure 2 for Figure 1 A schematic diagram of the partial structure of the battery posture change device;

[0025] Figure 3 for Figure 1 A schematic diagram of the clamping structure of the battery posture changing device;

[0026] Figure 4 for Figure 1 A schematic diagram of a pitch-changing module of a mid-battery attitude-changing device;

[0027] Figure 5 for Figure 4 Another perspective on the medium-variable pitch structure.

[0028] Description of Figure Numbers:

[0029] 100. Battery posture changing device; 10. Flip module; 11. Flip frame; 111. First guide rail; 112. Second guide rail; 113. Third guide rail; 114. Stopper; 12. Clamp assembly; 121. Clamping structure; 1211. Mounting plate; 1212. Clamping member; 1213. Driving member; 1214. Guide column; 1215. Clamping groove; 13. First driving assembly; 20. Variable pitch module; 21. Fixing member; 211. Positioning column; 212. Bearing; 213. Fixing part; 22. Second driving assembly; 221. Second driving unit; 222. Driving plate; 223. Variable pitch guide groove; 30. Driving device.

[0030] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0032] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0033] In addition, in this application, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0034] The present application proposes a battery posture changing device 100, which is used to adjust the posture of the battery to meet the requirements of the battery processing device for the battery posture, so as to realize the automatic production of the battery. Figures 1 to 5 In the embodiment of the present application, the battery posture changing device 100 includes a flip module 10, a pitch changing module 20 and a driving device 30.

[0035] The flip module 10 includes a rotatable flip frame 11, a clamp assembly 12 and a first drive assembly 13. The drive device 30 is transmission-connected to the flip frame 11. The clamp assembly 12 is movably mounted on the flip frame 11. The clamp assembly 12 is provided with at least two clamping parts at intervals along the axis of rotation of the flip frame 11. The first drive assembly 13 is transmission-connected to the clamp assembly 12.

[0036] In one example, the battery posture changing device 100 may further include a fixed frame, and the flip frame 11 is rotatably mounted on the fixed frame. In another example, the battery posture changing device 100 may further include a shell, and the flip frame 11 is rotatably mounted inside the shell. In another example, the flip frame 11 is installed on a battery automation production line.

[0037] The main function of the clamp assembly 12 is to clamp the battery so that the battery can be kept stable when the flip frame 11 drives the battery to flip, and the battery can be prevented from falling. Therefore, there are many types of the clamp assembly 12, and no specific restrictions are made. It can be understood that one clamping part of the clamp assembly 12 clamps one battery, and at least two clamping parts can clamp at least two batteries, and at least two batteries are spaced apart along the axis of rotation of the flip frame 11.

[0038] The variable pitch module 20 includes at least two fixing members 21 and a second driving assembly 22. The at least two fixing members 21 are respectively movably mounted on the turning frame 11 and are spaced apart along the axis of rotation of the turning frame 11. The at least two fixing members 21 are also arranged one-to-one correspondingly to at least two clamping parts. The second driving assembly 22 is respectively connected to the at least two fixing members 21 in transmission.

[0039] There are many ways to movably mount at least two fixing members 21 on the flip frame 11. The fixing member 21 can be swingably mounted on the flip frame 11, or the fixing member 21 can be slidably mounted on the flip frame 11. The main function of the fixing member 21 is to carry the battery transported by the clamp assembly 12, and to change the distance under the drive of the second driving assembly 22, so as to drive the battery on the fixing member 21 to change the distance.

[0040] Among them, after the driving device 30 drives the flip frame 11 to rotate, the first driving component 13 drives the clamping component 12 to move towards the direction close to at least two fixing members 21, and transfers the battery clamped by each clamping part to the corresponding fixing member 21, and the second driving component 22 drives at least two fixing members 21 to change the distance.

[0041] It should be emphasized that the battery posture changing device 100 generally flips the battery from a horizontal placement state to a vertical placement state, that is, flips 90 degrees, so the driving device 30 drives the flip frame 11 to rotate 90 degrees. The preferred power source of the driving device 30 is a servo motor to improve the accuracy of driving the flip frame 11 to rotate 90 degrees.

[0042] Through the above technical solution, the present application can not only drive the flip frame 11 to rotate through the driving device 30, drive the clamp assembly 12 on the flip frame 11 to rotate, and synchronously drive the battery clamped by the clamp assembly 12 to rotate, so as to realize the flipping of the battery, but also drive the clamp assembly 12 to move in the direction close to at least two fixing members 21 through the first driving assembly 13, transfer the battery clamped by each clamping part to the corresponding fixing member 21, and then drive the at least two fixing members 21 to change the distance through the second driving assembly 22, so as to realize the battery distance change operation. In this way, compared with the prior art, the battery posture change device 100 of the present application drives the flip frame 11 to rotate through the driving device 30 to realize the flipping of the battery, and drives the at least two fixing members 21 to change the distance through the second driving assembly 22 to realize the battery distance change, so that it has both the functions of realizing the flipping and distance change of the battery, and the two operations of the flipping and distance change of the battery do not need to be transferred between different devices, saving the transfer device and the time of transfer, thereby indirectly improving the efficiency of battery processing.

[0043] In some examples, such as Figures 1 to 3 As shown, the clamp assembly 12 includes two clamping structures 121, and the two clamping structures 121 are respectively slidably installed on the opposite sides of the flip frame 11. The first drive assembly 13 includes two first drive units, and the two first drive units are respectively connected to the corresponding clamping structures 121 in a transmission manner, so that the two clamping structures 121 can move in the direction of approaching or away from at least two fixing members 21, respectively. Each clamping structure 121 is provided with at least two clamping grooves 1215 on the side facing the other clamping structure 121, and the at least two clamping grooves 1215 of one clamping structure 121 correspond to the at least two clamping grooves 1215 of the other clamping structure 121 in a one-to-one manner to form at least two clamping parts.

[0044] In this embodiment, a clamping portion is formed by two opposite clamping grooves 1215, so that a gap can be left between the battery and the clamping groove 1215, and the clamp assembly 12 can be adapted to various types of batteries. An elastic member can be provided on the groove wall away from the notch of each clamping groove 1215 to play a buffering role when clamping the battery to avoid damaging the battery. The elastic member includes but is not limited to silicone, plastic, etc.

[0045] In this arrangement, the first driving unit located on the upper side drives the clamping structure 121 to move, so that the two clamping structures 121 are offset from each other, and the battery is transferred to the clamping groove 1215 of the clamping structure 121 located on the lower side through a robot, a clamping claw and other mechanisms. Then, the first driving unit located on the upper side drives the clamping structure 121 to move, so that the two clamping structures 121 are relatively arranged to clamp the battery through the two clamping structures 121. At this time, the driving device 30 drives the flip frame 11 to rotate and flip the battery 90°. After the battery is flipped, the two first driving units respectively drive the corresponding clamping structures 121 to move to transfer the battery to the corresponding fixing member 21.

[0046] In some examples, such as Figure 1 and Figure 2 As shown, first guide rails 111 are respectively disposed on opposite sides of the flip frame 11, and two clamping structures 121 are respectively slidably mounted on the corresponding first guide rails 111. In this embodiment, the first guide rails 111 are perpendicular to the axis of rotation of the flip frame 11.

[0047] The number of the first guide rails 111 may be one or more than two. When the number of the first guide rails 111 is more than two, at least two first guide rails 111 are spaced apart on the axis of rotation of the flip frame 11. There are many ways for the clamping structure 121 to be slidably mounted on the first guide rail 111. The clamping structure 121 may be indirectly slidably mounted on the first guide rail 111 through a slider, or the clamping structure 121 may be directly slidably mounted on the first guide rail 111.

[0048] With such arrangement, when the first driving unit drives the clamping structure 121 to slide, the clamping structure 121 can slide along the first guide rail 111 toward or away from at least two fixing members 21, so that the movement of the clamping structure 121 is smoother, thereby improving the reliability of the clamp assembly 12 in clamping the battery.

[0049] In some examples, such as Figure 1 As shown, the first driving unit is disposed at one end of the first guide rail 111, and a stopper 114 is disposed at the other end of the first guide rail 111 to prevent the clamping structure 121 from being separated from the first guide rail 111. The stopper 114 includes but is not limited to an oil pressure buffer, a stopper block, a buffer cylinder, etc. This arrangement can avoid the problem that the first driving unit drives the clamping structure 121 away from the first guide rail 111, causing the battery to fall.

[0050] In some examples, such as Figures 1 to 3 As shown, each clamping structure 121 includes a mounting plate 1211, a clamping member 1212 and a driving member 1213. The mounting plate 1211 is slidably mounted on the flip frame 11, the clamping member 1212 is movably mounted on the mounting plate 1211, and the driving member 1213 is fixedly mounted on the mounting plate 1211 and is transmission-connected to the clamping member 1212 to drive the clamping member 1212 to move toward or away from another clamping structure 121, wherein a clamping groove 1215 is formed on the side of the clamping member 1212 facing another clamping structure 121.

[0051] With such arrangement, when the two clamping structures 121 are arranged opposite to each other, the driving member 1213 of each clamping structure 121 can drive the clamping member 1212 to move toward or away from the other clamping structure 121 to clamp or release the battery.

[0052] In some examples, such as Figure 2 and Figure 3 As shown, each clamping structure 121 further includes a guide column 1214, one end of which is fixedly connected to a side of the clamping member 1212 away from the clamping groove 1215, the other end of the guide column 1214 passes through the mounting plate 1211, and the peripheral wall of the guide column 1214 is slidably matched with the mounting plate 1211.

[0053] The number of the guide pillars 1214 may be one or more than two. When the number of the guide pillars 1214 is more than two, at least two guide pillars 1214 are spaced apart along the length direction of the mounting plate 1211. In this embodiment, a sliding hole for the guide pillars 1214 to pass through is provided on the mounting plate 1211, and a sleeve is installed in the sliding hole to improve the stability of the sliding fit between the guide pillars 1214 and the mounting plate 1211.

[0054] With such arrangement, the driving member 1213 drives the clamping member 1212 to move toward or away from the other clamping structure 121 more smoothly, so that the clamping grooves 1215 of the two clamping members 1212 can quickly clamp or release the battery.

[0055] In some examples, such as Figures 1 to 5 As shown, at least two fixing members 21 are respectively slidably installed on the flip frame 11, and the second driving assembly 22 drives the at least two fixing members 21 to slide relative to the flip frame 11, so that the at least two fixing members 21 can respectively approach or move away from each other along the axis of rotation of the flip frame 11 to drive the battery to change distance.

[0056] In this way, when the clamp assembly 12 transfers the battery clamped by each clamping part to the corresponding fixing member 21, the second driving assembly 22 can respectively drive at least two fixing members 21 to slide relative to the flip frame 11. When at least two fixing members 21 slide relative to the flip frame 11, the distance between two adjacent fixing members 21 can be adjusted to each other to drive the battery on the fixing member 21 to change its distance.

[0057] In some examples, such as Figures 1 to 5 As shown, the flip frame 11 is further provided with a second guide rail 112, the second guide rail 112 and the axis of rotation of the flip frame 11 are arranged parallel to each other, at least two fixing members 21 are respectively slidably mounted on the second guide rail 112, and at least two fixing members 21 are provided with a sliding portion;

[0058] The second driving assembly 22 includes a second driving unit 221 and a driving plate 222. The driving plate 222 is provided with at least two variable pitch guide grooves 223 with preset trajectories. The sliding parts of at least two fixing members 21 are respectively slidably matched with the corresponding variable pitch guide grooves 223. The second driving unit 221 is transmission-connected with the driving plate 222 to drive the driving plate 222 to move in a direction perpendicular to the axis of rotation of the flip frame 11, so that the at least two fixing members 21 are respectively moved closer to or farther away from each other along the axis of rotation of the flip frame 11 under the action of the driving plate 222.

[0059] The configuration of the second guide rail 112 is similar to that of the first guide rail 111 , which will not be described in detail here. Please refer to the specific contents of the first guide rail 111 .

[0060] With such arrangement, at least two fixing members 21 can be driven to move by at least two variable pitch guide grooves 223 on the driving plate 222 to achieve variable pitch. It can be understood that the cooperation between the variable pitch guide grooves 223 and the sliding part can achieve stepless variable pitch of at least two fixing members 21, so that the battery posture changing device 100 can be suitable for batteries of different models or variable pitch operations of different spacings.

[0061] In some examples, such as Figures 1 to 5 As shown, the flip frame 11 is also provided with a third guide rail 113, the third guide rail 113 is perpendicular to the axis of rotation of the flip frame 11, the driving plate 222 is slidably installed on the third guide rail 113, the second driving unit 221 is fixedly installed on the flip frame 11, and the driving end of the second driving unit 221 is fixedly connected to the driving plate 222.

[0062] Similarly, the configuration of the third guide rail 113 is similar to that of the first guide rail 111 , which will not be described in detail here. Please refer to the specific content of the first guide rail 111 .

[0063] With such arrangement, when the second driving unit 221 drives the driving plate 222 to slide, the driving plate 222 can move along the third guide rail 113, so that the movement of the driving plate 222 is smoother, thereby improving the efficiency and reliability of the second driving unit 221 driving at least two fixing members 21 to move through the driving plate 222.

[0064] In some examples, such as Figure 5 As shown, each sliding part includes a positioning column 211 protruding from the fixing member 21 and a bearing 212 . The bearing 212 is sleeved on the peripheral side of the positioning column 211 , and the peripheral side of the bearing 212 is in rolling contact with the side wall of the variable pitch guide groove 223 .

[0065] Such a configuration can reduce the friction between the driving plate 222 and the sliding portion, thereby improving the smoothness of the second driving unit 221 driving the at least two fixing members 21 to move through the driving plate 222 .

[0066] In some examples, the fixing member 21 is further provided with a fixing portion 213 for carrying a battery, and the fixing portion 213 has various settings. The fixing portion 213 may include multiple U-shaped plates. When the fixing member 21 carries a battery, the battery is placed at the opening of the U-shaped plate. The fixing portion 213 also includes two stop plates, which are respectively arranged at both ends of the length direction of the fixing member 21.

[0067] The above description is only an optional embodiment of the present application, and does not limit the patent scope of the present application. All equivalent structural transformations made by using the contents of the present application specification and drawings under the inventive concept of the present application, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present application.

Claims

1. A battery posture changing device, characterized in that: The battery posture changing device comprises a flip module, a pitch changing module and a driving device; wherein, The flip module comprises a rotatable flip frame, a clamp assembly and a first driving assembly, the driving device is in transmission connection with the flip frame, the clamp assembly is movably mounted on the flip frame, the clamp assembly is provided with at least two clamping parts at intervals along the axis of rotation of the flip frame, and the first driving assembly is in transmission connection with the clamp assembly; The pitch-changing module comprises at least two fixing members and a second driving assembly, wherein the at least two fixing members are movably mounted on the flip frame and are arranged at intervals along the axis of rotation of the flip frame, and the at least two fixing members are also arranged one-to-one correspondingly to the at least two clamping parts, and the second driving assembly is respectively connected to the at least two fixing members in a transmission manner; Wherein, after the driving device drives the flip frame to rotate, the first driving component drives the clamping component to move toward the direction close to the at least two fixing parts, and transfers the battery clamped by each clamping part to the corresponding fixing part, and the second driving component drives the at least two fixing parts to change the distance.

2. The battery posture changing device according to claim 1, characterized in that: The clamp assembly includes two clamping structures, which are slidably mounted on opposite sides of the flip frame, and the first driving assembly includes two first driving units, which are respectively connected to the corresponding clamping structures in a transmission manner, so that the two clamping structures can move towards or away from the at least two fixing members. Each of the clamping structures is provided with at least two clamping grooves on one side facing the other clamping structure, and the at least two clamping grooves of one clamping structure are matched with the at least two clamping grooves of the other clamping structure in a one-to-one correspondence to form the at least two clamping parts.

3. The battery posture changing device according to claim 2, characterized in that: The first guide rails are respectively arranged on opposite sides of the flip frame, and the two clamping structures are respectively slidably mounted on the corresponding first guide rails.

4. The battery posture changing device according to claim 3, characterized in that: The first driving unit is disposed at one end of the first guide rail, and a stopper is disposed at the other end of the first guide rail to limit the clamping structure from detaching from the first guide rail.

5. The battery posture changing device according to claim 2, characterized in that: Each of the clamping structures includes a mounting plate, a clamping member and a driving member, wherein the mounting plate is slidably mounted on the flip frame, the clamping member is movably mounted on the mounting plate, the driving member is fixedly mounted on the mounting plate and is transmission-connected to the clamping member to drive the clamping member to move toward or away from another clamping structure, wherein the clamping groove is formed on a side of the clamping member facing the other clamping structure.

6. The battery posture changing device according to claim 5, characterized in that: Each of the clamping structures further comprises a guide column, one end of which is fixedly connected to a side of the clamping member away from the clamping groove, the other end of which passes through the mounting plate, and the peripheral wall of the guide column is slidably matched with the mounting plate.

7. The battery posture changing device according to claim 1, characterized in that: The at least two fixing members are respectively slidably installed on the flip frame, and the second driving assembly drives the at least two fixing members to slide relative to the flip frame, so that the at least two fixing members can respectively approach or move away from each other along the axis of rotation of the flip frame to drive the battery to change distance.

8. The battery posture changing device according to claim 7, characterized in that: The flip frame is further provided with a second guide rail, the second guide rail and the axis of rotation of the flip frame are arranged parallel to each other, the at least two fixing members are respectively slidably mounted on the second guide rail, and the at least two fixing members are both provided with a sliding portion; The second driving assembly includes a second driving unit and a driving plate, the driving plate is provided with at least two variable pitch guide grooves with preset trajectories, the sliding parts of the at least two fixing members are respectively slidably matched with the corresponding variable pitch guide grooves, the second driving unit is transmission connected with the driving plate to drive the driving plate to move in a direction perpendicular to the axis of rotation of the flip frame, so that the at least two fixing members are respectively approached to or away from each other along the axis of rotation of the flip frame under the action of the driving plate.

9. The battery posture changing device according to claim 8, characterized in that: The flip frame is also provided with a third guide rail, the third guide rail is perpendicular to the axis of rotation of the flip frame, the drive plate is slidably mounted on the third guide rail, the second drive unit is fixedly mounted on the flip frame, and the drive end of the second drive unit is fixedly connected to the drive plate.

10. The battery posture changing device according to claim 8, characterized in that: Each of the sliding parts comprises a positioning column protruding from the fixing member and a bearing, the bearing is sleeved on the peripheral side of the positioning column, and the peripheral side of the bearing is in rolling contact with the side wall of the variable pitch guide groove.

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