Battery thickness measuring equipment and battery production system

Abstract

The utility model belongs to the technical field of batteries, and discloses a battery thickness measuring device and a battery production system.The battery thickness measuring device comprises a support, a feeding unit and a thickness measuring unit, a through hole is formed in the support, the feeding unit comprises a fixing assembly and a feeding driving mechanism, a battery can be detachably fixed to the fixing assembly, and the thickness measuring unit is arranged on the support. The driving end of the feeding driving mechanism is connected with the fixing assembly, the feeding driving mechanism can drive the battery to penetrate through the through hole through the fixing assembly, the thickness measuring unit and the feeding unit are located on the two opposite sides of the support respectively, the thickness measuring unit comprises a first fixed plate, a movable plate and a thickness measuring assembly, and the first fixed plate and the movable plate are located on the two opposite sides of the through hole respectively. The first fixed plate is fixed on the support, the movable plate is movably connected with the support and can be matched with the first fixed plate to clamp the battery, the thickness measuring assembly is used for measuring the thickness of the battery, and the battery thickness measuring equipment has the effects of reducing labor investment and improving the battery thickness measuring efficiency.

Description

Technical Field

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

[0002] Uneven thickness of square batteries can cause problems such as misalignment of terminals and busbars, space redundancy, or insufficient space when matching modules, which has a significant impact on the pass rate of downstream products. Therefore, measuring the thickness of square batteries is an essential step in their production process.

[0003] Existing square battery thickness measurement mechanisms typically include a fixed plate, a movable plate, and a thickness measuring element. During thickness measurement, the square battery is placed between the fixed plate and the movable plate by manual feeding. The movable plate is then driven to move toward the fixed plate until the movable plate and the fixed plate cooperate to clamp the square battery. Then, the thickness measuring element measures the thickness of the square battery.

[0004] This manual feeding method requires aligning the fixed plate, the movable plate, and the square battery each time a square battery is placed to ensure that the movable plate can cooperate with the fixed plate to clamp the square battery. This method is not only labor-intensive but also inefficient. Therefore, there is an urgent need to propose a battery thickness measuring device and a battery production system to solve the above-mentioned technical problems. Utility Model Content

[0005] The first objective of this invention is to provide a battery thickness measuring device that reduces manual labor and improves battery thickness measuring efficiency.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] Battery thickness measurement equipment, including:

[0008] The bracket has through holes;

[0009] The feeding unit includes a fixing component and a feeding drive mechanism. The battery can be detachably fixed on the fixing component. The drive end of the feeding drive mechanism is connected to the fixing component. The feeding drive mechanism can drive the battery through the through hole through the fixing component.

[0010] The thickness measuring unit and the feeding unit are located on opposite sides of the bracket. The thickness measuring unit includes a first fixed plate, a movable plate, and a thickness measuring component. The first fixed plate and the movable plate are located on opposite sides of the through hole. The first fixed plate is fixed on the bracket, and the movable plate is movably connected to the bracket. The movable plate and the first fixed plate can cooperate to clamp the battery. The thickness measuring component is used to measure the thickness of the battery clamped between the movable plate and the first fixed plate.

[0011] Optionally, the feeding drive mechanism includes a first drive member, a first support, and a second support assembly. The fixed end of the first drive member is disposed on the first support, the drive end of the first drive member is connected to the second support assembly, and the fixed assembly is connected to the second support assembly.

[0012] Optionally, the second support assembly includes a second support and a second driving member. The driving end of the first driving member and the fixed end of the second driving member are both connected to the second support. The driving end of the second driving member is connected to the fixed assembly. The second driving member is used to drive the fixed assembly and the battery through the through hole.

[0013] Optionally, the feeding unit further includes a linear bearing and a guide column. The linear bearing is sleeved on the guide column and is mounted on one of the first support and the second support. The guide column is movably connected to the inner ring of the linear bearing, and the end of the guide column away from the linear bearing is connected to the other of the first support and the second support. The first driving member and the second driving member drive in the same direction.

[0014] Optionally, a guide block is provided on the side of the bracket facing the feeding unit. The guide block is located at the edge of the through hole. The surface of the guide block facing the center of the through hole is a guide surface. The guide surface is flush with the surface of the first fixed plate facing the movable plate. The guide surface is configured to slide in cooperation with the wall surface of the battery facing the first fixed plate.

[0015] Optionally, the thickness measuring component includes a displacement sensor. The moving direction of the movable plate is the same as the thickness direction of the battery. When the battery and the feeding unit are both located on the same side of the bracket, the movable plate is in the first position. When the movable plate cooperates with the first fixed plate to clamp the battery, the movable plate is in the second position. The displacement sensor is used to detect the distance between the first position and the second position.

[0016] Optionally, the thickness measuring assembly also includes a second fixed plate, which is fixed to the bracket and located on the side of the movable plate away from the first fixed plate. The displacement sensor is disposed on the side of the second fixed plate and the movable plate facing the other.

[0017] Optionally, the number of displacement sensors is two or more, and the orthographic projections of the two or more displacement sensors on the movable plate are distributed at different positions on the movable plate.

[0018] Optionally, the through hole, movable plate, thickness measuring component and fixing component are arranged in groups and there are two groups, with the movable plates of the two groups located on opposite sides of the first fixing plate.

[0019] The second objective of this invention is to provide a battery production system that has low labor input and high production efficiency.

[0020] To achieve this objective, the present invention adopts the following technical solution:

[0021] The battery production system includes a conveyor belt, a transfer mechanism, and the aforementioned battery thickness measuring equipment. The conveyor belt is used to transport batteries, and the transfer mechanism can transfer batteries from the conveyor belt to a fixed assembly.

[0022] The beneficial effects of this utility model are:

[0023] The battery thickness measuring device provided by this utility model has a through hole on the bracket. The feeding unit and the thickness measuring unit are located on opposite sides of the bracket, and the first fixed plate and the movable plate of the thickness measuring unit are located on opposite sides of the through hole. When measuring the battery thickness, the battery is placed on the fixed component, and then the feeding drive mechanism drives the battery through the through hole to the space between the first fixed plate and the movable plate through the fixed component. The movable plate and the first fixed plate cooperate to clamp the battery, and the thickness measuring component measures the thickness of the battery. It can be seen that this battery thickness measuring device eliminates the need for manual operation of placing the battery between the first fixed plate and the movable plate, and also eliminates the need for manual alignment of the first fixed plate, the movable plate and the battery. It has the effect of reducing labor input and improving the efficiency of battery thickness measurement. Attached Figure Description

[0024] Figure 1 This is a first structural schematic diagram of the battery thickness measuring device provided by this utility model;

[0025] Figure 2 This is a schematic diagram of the second structure of the battery thickness measuring device provided by this utility model;

[0026] Figure 3 This is a schematic diagram of the thickness measuring unit provided by this utility model;

[0027] Figure 4 This is a partial structural schematic diagram of the battery production system provided by this utility model.

[0028] In the picture:

[0029] 1. Bracket; 11. Guide block; 2. Feeding unit; 21. Fixing assembly; 22. Feeding drive mechanism; 221. First drive component; 222. First support; 223. Second support assembly; 2231. Second support; 2232. Second drive component; 231. Linear bearing; 232. Guide column; 27. Magnetic induction sensor; 3. Thickness measuring unit; 31. First fixed plate; 32. Movable plate; 33. Thickness measuring assembly; 331. Displacement sensor; 332. Second fixed plate; 24. Thickness measuring drive mechanism; 241. Servo motor; 242. First synchronous pulley; 243. Ball screw; 244. Second synchronous pulley; 245. Synchronous belt; 25. Pressure sensor; 261. Side plate; 262. First connecting component; 263. Slide rail; 4. Battery; 5. Transfer mechanism; 51. Base plate; 52. Transfer cylinder; 53. Card plate; 531. Card slot. Detailed Implementation

[0030] 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.

[0031] 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.

[0032] 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.

[0033] 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.

[0034] This embodiment provides a battery thickness measurement device, which has the effect of reducing manual labor and improving battery thickness measurement efficiency.

[0035] Specifically, such as Figures 1 to 3As shown, the battery thickness measuring device includes a support 1, a feeding unit 2, and a thickness measuring unit 3. The support 1 has a through hole (not shown in the figure). The feeding unit 2 includes a fixing component 21 and a feeding drive mechanism 22. The battery 4 can be detachably fixed on the fixing component 21. The drive end of the feeding drive mechanism 22 is connected to the fixing component 21. The feeding drive mechanism 22 can drive the battery 4 through the through hole through the fixing component 21. The thickness measuring unit 3 and the feeding unit 2 are located on opposite sides of the support 1. The thickness measuring unit 3 includes a first fixing plate 31, a movable plate 32, and a thickness measuring component 33. The first fixing plate 31 and the movable plate 32 are located on opposite sides of the through hole. The first fixing plate 31 is fixed on the support 1. The movable plate 32 is movably connected to the support 1. The movable plate 32 and the first fixing plate 31 can cooperate to clamp the battery 4. The thickness measuring component 33 is used to measure the thickness of the battery 4 clamped between the movable plate 32 and the first fixing plate 31.

[0036] Based on the above design, the bracket 1 is provided with a through hole. The feeding unit 2 and the thickness measuring unit 3 are located on opposite sides of the bracket 1, and the first fixed plate 31 and the movable plate 32 of the thickness measuring unit 3 are located on opposite sides of the through hole. When measuring the thickness of the battery 4, the battery 4 is placed on the fixed component 21, and then the feeding drive mechanism 22 drives the battery 4 through the through hole to the space between the first fixed plate 31 and the movable plate 32 through the fixed component 21. The movable plate 32 and the first fixed plate 31 cooperate to clamp the battery 4, and the thickness measuring component 33 measures the thickness of the battery 4. It can be seen that the battery thickness measuring device eliminates the need for manual operation of placing the battery 4 between the first fixed plate 31 and the movable plate 32, and also eliminates the need for manual alignment of the first fixed plate 31, the movable plate 32 and the battery 4. It has the effect of reducing manual input and improving the efficiency of battery thickness measurement.

[0037] Optionally, the feeding drive mechanism 22 includes a first drive member 221, a first support 222, and a second support assembly 223. The fixed end of the first drive member 221 is disposed on the first support 222, the drive end of the first drive member 221 is connected to the second support assembly 223, and the fixed assembly 21 is connected to the second support assembly 223.

[0038] Furthermore, the second support assembly 223 includes a second support 2231 and a second driving member 2232. The driving end of the first driving member 221 and the fixed end of the second driving member 2232 are both connected to the second support 2231. The driving end of the second driving member 2232 is connected to the fixed assembly 21. The second driving member 2232 is used to drive the fixed assembly 21 and the battery 4 through the through hole. In actual use, the first driving member 221 drives the second support 2231, the second driving member 2232, the fixed assembly 21, and the battery 4 to move. The second driving member 2232 drives the fixed assembly 21 and the battery 4 to move until the battery 4 passes through the through hole between the first fixed plate 31 and the movable plate 32. This structural design, where the battery 4 is moved by two separate driving members, improves the moving accuracy of the battery 4 and reduces the investment cost of the driving members. Of course, in other embodiments, the battery 4 can also be driven directly through the through hole between the first fixed plate 31 and the movable plate 32 by only the first driving member 221, depending on the actual application requirements. In other embodiments, the feeding drive mechanism 22 may also be a structure such as a robotic arm that can grip and move the battery 4.

[0039] Optionally, a guide block 11 protrudes from the side of the bracket 1 facing the feeding unit 2. The guide block 11 is located at the edge of the through hole, and the surface of the guide block 11 facing the center of the through hole is a guide surface. The guide surface is flush with the surface of the first fixed plate 31 facing the movable plate 32. The guide surface is configured to slide against the wall surface of the battery 4 facing the first fixed plate 31. When the second driving member 2232 drives the battery 4 through the through hole, the wall surface of the battery 4 facing the guide surface is in contact with the guide surface and slides relative to it. This allows the battery 4 to completely pass through the through hole between the first fixed plate 31 and the movable plate 32, so that the wall surface of the battery 4 facing the first fixed plate 31 can be in contact with the surface of the first fixed plate 31 facing the movable plate 32. This structural design achieves the guiding and positioning effect of the battery 4, which is beneficial to improving the measurement accuracy of the battery 4 thickness. It should be noted that when the second driving member 2232 drives the battery 4 through the through hole, the wall surface of the battery 4 facing the guide surface is the wall surface of the battery 4 that is in contact with the first fixed plate 31 when the battery 4 is between the first fixed plate 31 and the movable plate 32.

[0040] Optionally, the first driving member 221 and the second driving member 2232 drive in the same direction. The feeding unit 2 also includes a linear bearing 231 and a guide post 232. The linear bearing 231 is sleeved on the guide post 232 and is mounted on the first support 222. The guide post 232 is movably connected to the inner ring of the linear bearing 231, and the end of the guide post 232 facing away from the linear bearing 231 is connected to the second support 2231. This structural design can improve the consistency of the movement trajectory of the battery 4, ensuring that when the battery 4 moves between the first fixed plate 31 and the movable plate 32, the wall surface of the battery 4 facing the first fixed plate 31 is in contact with the first fixed plate 31, thereby further improving the thickness accuracy of the battery 4. In another embodiment, the linear bearing 231 is mounted on the second support 2231, and the end of the guide post 232 facing away from the linear bearing 231 is connected to the first support 222.

[0041] In this embodiment, both the first driving member 221 and the second driving member 2232 are reciprocating cylinders. Of course, in other embodiments, the first driving member 221 and the second driving member 2232 can also be a robotic arm or a motor ball screw 243 assembly, etc. Furthermore, in other embodiments, the driving directions of the first driving member 221 and the second driving member 2232 can be different, as long as the battery 4 can pass through the through hole to the space between the first fixed plate 31 and the movable plate 32 under the driving action of the first driving member 221 and the second driving member 2232.

[0042] In this embodiment, there are two first driving members 221 and two second driving members 2232 to improve the feeding capacity and feeding efficiency of the feeding drive mechanism 22. In this embodiment, there are four linear bearings 231 and four guide posts 232, which correspond one-to-one. The four guide posts 232 are evenly distributed along the circumference of the second support 2231 to improve the guiding reliability.

[0043] Optionally, a magnetic induction sensor 27 is provided on the second support 2231 to detect the movement position of the fixing component 21, so as to determine whether the entire battery 4 has moved between the first fixing plate 31 and the movable plate 32.

[0044] Optionally, such as Figure 3As shown, the thickness measuring component 33 includes a displacement sensor 331. The moving direction of the movable plate 32 is the same as the thickness direction of the battery 4. When the battery 4 and the feeding unit 2 are both located on the same side of the bracket 1, the movable plate 32 is in the first position. When the movable plate 32 and the first fixed plate 31 cooperate to clamp the battery 4, the movable plate 32 is in the second position. The displacement sensor 331 is used to detect the distance between the first position and the second position. In practical applications, when the movable plate 32 is in the first position, the distance between the movable plate 32 and the first fixed plate 31 is considered as 'a', and the moving distance of the movable plate 32 detected by the displacement sensor 331 is considered as 'b'. That is, the distance between the first position and the second position is 'b', and the difference between 'a' and 'b' is the thickness value of the battery 4. This design can obtain the thickness value of the battery 4 by detecting the moving distance of the movable plate 32 through the displacement sensor 331. It has a simple structure and high thickness measuring accuracy.

[0045] Furthermore, the thickness measuring component 33 also includes a second fixing plate 332, which is fixed to the bracket 1 and located on the side of the movable plate 32 away from the first fixing plate 31. The displacement sensor 331 is positioned on the side of the second fixing plate 332 and the movable plate 32 facing the other, so that the second fixing plate 332 can be used as a reference to measure the movement distance of the movable plate 32. In other embodiments, the second fixing plate 332 can be omitted, and the displacement sensor 331 can be positioned on the side of the first fixing plate 31 and the movable plate 32 facing the other, with the first fixing plate 31 as a reference to measure the movement distance of the movable plate 32. In this case, the issue of mutual avoidance between the displacement sensor 331 and the battery 4 needs to be considered. The displacement sensor 331 and the battery 4 are staggered to avoid the displacement sensor 331 being sandwiched between the battery 4 and the first fixing plate 31 (or the movable plate 32). In this embodiment, a second fixed plate 332 is provided on the side of the movable plate 32 away from the first fixed plate 31, and a displacement sensor 331 is provided on the side of the second fixed plate 332 and the movable plate 32 facing the other. This design eliminates the need to consider the problem of the displacement sensor 331 and the battery 4 avoiding each other, which helps to reduce the design and production difficulty of the battery thickness measurement equipment.

[0046] Furthermore, the number of displacement sensors 331 is two or more. For example, the number of displacement sensors 331 can be two, three, five or six, etc. The orthographic projections of the two or more displacement sensors 331 on the movable plate 32 are distributed at different positions on the movable plate 32 to detect the distance moved by the movable plate 32 at different positions, obtain the difference between the value a and each value b, and then obtain the average value of the thickness of the battery 4, thereby improving the thickness measurement accuracy of the battery 4.

[0047] Optionally, the thickness measuring unit 3 also includes a thickness measuring drive mechanism 24. The drive end of the thickness measuring drive mechanism 24 is connected to the movable plate 32. The thickness measuring drive mechanism 24 is used to drive the movable plate 32 to move so that the movable plate 32 can cooperate with the first fixed plate 31 to clamp and release the battery 4.

[0048] Furthermore, the thickness measuring drive mechanism 24 includes a servo motor 241, a first synchronous pulley 242, a ball screw 243, a second synchronous pulley 244, and a synchronous belt 245. The first synchronous pulley 242 is sleeved on the output end of the servo motor 241, and the second synchronous pulley 244 is sleeved on the lead screw of the ball screw 243. The first synchronous pulley 242 is connected to the second synchronous pulley 244 via the synchronous belt 245. The mounting seat of the ball screw 243 is threadedly engaged with the lead screw, and the mounting seat is connected to the movable plate 32. Thus, under the driving action of the servo motor 241, the movable plate 32 moves in the direction toward the first fixed plate 31 and in the direction away from the first fixed plate 31, thereby achieving the effect of clamping and releasing the battery 4.

[0049] In other implementations, the thickness measuring drive mechanism 24 may also be a reciprocating cylinder or other drive element, which will not be listed here.

[0050] Optionally, the thickness measuring unit 3 also includes a pressure sensor 25, which is clamped between the mounting base of the ball screw 243 and the movable plate 32. The pressure sensor 25 is used to detect the pressure between the mounting base of the ball screw 243 and the movable plate 32. That is, the pressure sensor 25 can detect the clamping force of the movable plate 32 and the first fixed plate 31 on the battery 4. When the clamping force reaches a preset value, the servo motor 241 stops and the movable plate 32 stops moving. At this time, it is considered that the movable plate 32 has reached the second position. This structural design can ensure that the battery 4 is clamped to the maximum extent between the movable plate 32 and the first fixed plate 31 during thickness measurement, thereby improving the thickness measurement accuracy. Furthermore, when multiple batteries 4 are measured in batches, the clamping force on each battery 4 is the same, achieving the effect of uniform thickness measurement pressure.

[0051] Optionally, the thickness measuring unit 3 further includes a side plate 261, a first connector 262, and a second connector (not shown in the figure). The side plate 261 is fixed on the bracket 1 and has a movable hole (not shown in the figure). The second connector is movably inserted through the movable hole, and both ends of the second connector are connected to the movable plate 32 and the first connector 262, respectively. The first connector 262 has a sliding groove (not shown in the figure), and the side plate 261 has a slide rail 263. The slide rail 263 slides in conjunction with the sliding groove, and the extension direction of the slide rail 263 is parallel to the moving direction of the movable plate 32 to achieve the guiding effect on the movable plate 32.

[0052] Optionally, the through hole, movable plate 32, thickness measuring component 33, fixed component 21 and thickness measuring drive mechanism 24 are arranged in groups and there are two groups. The movable plates 32 of the two groups are located on opposite sides of the first fixed plate 31, so that one thickness measuring unit 3 can measure the thickness of two batteries 4, thereby improving the thickness measuring efficiency.

[0053] This embodiment also provides a battery production system that has low labor input and high production efficiency.

[0054] Specifically, such as Figure 4 As shown, the battery production system includes a conveyor belt (not shown), a transfer mechanism 5, and the aforementioned battery thickness measuring device. The conveyor belt is used to transport the battery 4, and the transfer mechanism 5 can transfer the battery 4 on the conveyor belt to the fixed component 21, thereby eliminating the need for manual operation to transfer the battery 4 on the conveyor belt to the fixed component 21, further reducing labor input costs and improving thickness measuring efficiency, thereby reducing the production cost of the battery 4 and improving the production efficiency of the battery 4.

[0055] It should be noted that the aforementioned fixing component 21 can be a variety of structures capable of fixing the battery 4. For example, the fixing component 21 can be a robotic arm used to clamp the battery 4; the fixing component 21 can also be a support plate with a slot, in which the battery 4 can be detachably inserted; the fixing component 21 can also be a clamping plate assembly. Specifically, two fixing cylinders are provided on the support plate, and the driving ends of the two fixing cylinders are respectively connected to a clamping plate. The two clamping plates are arranged opposite to each other, and under the driving action of the two fixing cylinders, the two clamping plates cooperate to clamp and release the battery 4.

[0056] The aforementioned transfer mechanism 5 can be various structures capable of transferring the battery 4. For example, the transfer mechanism 5 can be a robotic arm used to grip the battery 4 and transfer it from the conveyor belt to the fixed assembly 21. The transfer mechanism 5 can also be two clamping cylinder assemblies. Specifically, the clamping cylinder assembly includes a base plate 51, a transfer cylinder 52, and a clamping plate 53. The base plate 51 is slidably connected to the support frame of the conveyor belt. The fixed end of the transfer cylinder 52 is set on the base plate 51, and the driving end of the transfer cylinder 52 is connected to the clamping plate 53. The clamping plate 53 is provided with a clamping groove 531. The clamping plates 53 of the two clamping cylinder assemblies are arranged opposite each other. Under the driving action of the transfer cylinder 52, the two clamping plates 53 move closer and further away from each other so that the clamping grooves 531 on the two clamping plates 53 cooperate to clamp and release the battery 4. After the two clamping plates 53 clamp the battery 4, the base plate 51 slides on the support frame of the conveyor belt to transfer the battery 4 to the fixed assembly 21.

[0057] In practical applications, the transfer mechanism 5 transfers the battery 4 from the conveyor belt to the fixed component 21. Then, the first drive component 221 is activated to raise the second support component 223, the fixed component 21, and the battery 4. After the first drive component 221 has driven a certain distance, it stops driving. The second drive component 2232 is activated to raise the fixed component 21 and the battery 4 until the battery 4 is located between the first fixed plate 31 and the movable plate 32. Then, the second drive component 2232 stops driving.

[0058] The thickness measurement drive mechanism 24 is activated to move the movable plate 32 toward the first fixed plate 31 until the actual pressure value detected by the pressure sensor 25 reaches the preset pressure value, at which point the thickness measurement drive mechanism 24 stops driving.

[0059] The average value of the difference between a and b is obtained by reading the detection data b from multiple displacement sensors 331, which is the thickness value of battery 4.

[0060] After reading the detection data from multiple displacement sensors 331, the thickness measuring drive mechanism 24 reverses the movement of the movable plate 32, causing the movable plate 32 and the first fixed plate 31 to release the battery 4. Then, the second drive member 2232 reverses the movement of the fixed assembly 21 and the battery 4, causing them to descend until the battery 4 is completely out of the gap between the first fixed plate 31 and the movable plate 32. The second drive member 2232 stops reversing the movement. The first drive member 221 reverses the movement of the second support assembly 223, the fixed assembly 21, and the battery 4, causing the battery 4 to continue descending to its original position.

[0061] 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 thickness measuring device, characterized in that, include: A bracket (1) having a through hole; The feeding unit (2) includes a fixing component (21) and a feeding drive mechanism (22). The battery (4) can be detachably fixed on the fixing component (21). The driving end of the feeding drive mechanism (22) is connected to the fixing component (21). The feeding drive mechanism (22) can drive the battery (4) through the through hole via the fixing component (21). Thickness measuring unit (3), the thickness measuring unit (3) and the feeding unit (2) are respectively located on opposite sides of the bracket (1). The thickness measuring unit (3) includes a first fixed plate (31), a movable plate (32) and a thickness measuring component (33). The first fixed plate (31) and the movable plate (32) are respectively located on opposite sides of the through hole. The first fixed plate (31) is fixed on the bracket (1). The movable plate (32) is movably connected to the bracket (1). The movable plate (32) and the first fixed plate (31) can cooperate to clamp the battery (4). The thickness measuring component (33) is used to measure the thickness of the battery (4) clamped between the movable plate (32) and the first fixed plate (31).

2. The battery thickness measuring device according to claim 1, characterized in that, The feeding drive mechanism (22) includes a first drive member (221), a first support (222), and a second support assembly (223). The fixed end of the first drive member (221) is disposed on the first support (222), and the drive end of the first drive member (221) is connected to the second support assembly (223). The fixed assembly (21) is connected to the second support assembly (223).

3. The battery thickness measuring device according to claim 2, characterized in that, The second support assembly (223) includes a second support (2231) and a second drive member (2232). The drive end of the first drive member (221) and the fixed end of the second drive member (2232) are both connected to the second support (2231). The drive end of the second drive member (2232) is connected to the fixed assembly (21). The second drive member (2232) is used to drive the fixed assembly (21) and the battery (4) through the through hole.

4. The battery thickness measuring device according to claim 3, characterized in that, The feeding unit (2) further includes a linear bearing (231) and a guide post (232). The linear bearing (231) is sleeved on the guide post (232) and is disposed on one of the first support (222) and the second support (2231). The guide post (232) is movably connected to the inner ring of the linear bearing (231), and the end of the guide post (232) away from the linear bearing (231) is connected to the other of the first support (222) and the second support (2231). The first driving member (221) and the second driving member (2232) have the same driving direction.

5. The battery thickness measuring device according to any one of claims 1-4, characterized in that, The bracket (1) has a guide block (11) protruding on one side facing the feeding unit (2). The guide block (11) is located at the edge of the through hole. The surface of the guide block (11) facing the center of the through hole is a guide surface. The guide surface is flush with the surface of the first fixed plate (31) facing the movable plate (32). The guide surface is configured to slide in cooperation with the wall surface of the battery (4) facing the first fixed plate (31).

6. The battery thickness measuring device according to any one of claims 1-4, characterized in that, The thickness measuring component (33) includes a displacement sensor (331). The moving direction of the movable plate (32) is the same as the thickness direction of the battery (4). When the battery (4) and the feeding unit (2) are both located on the same side of the bracket (1), the movable plate (32) is located in the first position. When the movable plate (32) and the first fixed plate (31) cooperate to clamp the battery (4), the movable plate (32) is located in the second position. The displacement sensor (331) is used to detect the distance between the first position and the second position.

7. The battery thickness measuring device according to claim 6, characterized in that, The thickness measuring component (33) further includes a second fixing plate (332), which is fixed on the bracket (1) and located on the side of the movable plate (32) away from the first fixing plate (31). The displacement sensor (331) is disposed on the side of the second fixing plate (332) and the movable plate (32) facing the other.

8. The battery thickness measuring device according to claim 7, characterized in that, The number of displacement sensors (331) is two or more, and the orthographic projections of the two or more displacement sensors (331) on the movable plate (32) are distributed at different positions on the movable plate (32).

9. The battery thickness measuring device according to any one of claims 1-4, characterized in that, The through hole, the movable plate (32), the thickness measuring component (33), and the fixing component (21) are arranged in groups of two, with the movable plates (32) of the two groups located on opposite sides of the first fixing plate (31).

10. A battery production system, characterized in that, The device includes a conveyor belt, a transfer mechanism (5), and a battery thickness measuring device according to any one of claims 1-9, wherein the conveyor belt is used to transport the battery (4), and the transfer mechanism (5) is capable of transferring the battery (4) on the conveyor belt to the fixing component (21).

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