CN210701235U - Positive-pressure tester for battery - Google Patents
Positive-pressure tester for battery Download PDFInfo
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- CN210701235U CN210701235U CN201921116521.8U CN201921116521U CN210701235U CN 210701235 U CN210701235 U CN 210701235U CN 201921116521 U CN201921116521 U CN 201921116521U CN 210701235 U CN210701235 U CN 210701235U
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- battery
- conveying belt
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Abstract
The utility model relates to a positive pressure battery testing machine, which comprises a transportation assembly, a material preparation conveyor belt and a blocking piece; the scanning assembly comprises a first scanner and a second scanner; the detection assembly comprises a top plate, a bottom plate, a sliding rail, a moving frame, a sensor, a motor and a transmission belt; the top plate and the stock preparation conveying belt are positioned on the same straight line; the transmission belt is connected with the movable frame; the sensors are respectively positioned on two opposite sides of the top plate, and detection lines are formed between the sensors. Above-mentioned battery malleation test machine, structural design is reasonable, and convenient to use installs first scanner and second scanner in the one end department of the conveyer belt of prepareeing material, can scan the relative two sides of battery and take notes battery information, forms the detection line between the sensor, utilizes the detection line to detect the thickness of battery in order to confirm whether to take place the swell, and the work continuity is strong, and degree of automation is high, can practice thrift manpower resources, improves production efficiency.
Description
Technical Field
The utility model relates to a battery production technical field especially relates to a battery malleation test machine.
Background
At present, in the production process of batteries, in order to facilitate the tracing of later information, the information of the batteries needs to be recorded, then whether the batteries are punctured or leaked is detected, and the processed batteries are conveyed to the next procedure.
However, the recording of the battery information and the observation of whether the battery bulges are realized by adopting a manual operation mode, and the operation mode takes a lot of manpower, has low automation degree and is not beneficial to improving the production efficiency.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides a battery malleation test machine, structural design is reasonable, and the work continuity is strong, but automatic recording battery information, whether the swell takes place for the automated inspection battery, and degree of automation is high, can practice thrift the human cost, improves production efficiency.
In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme:
a positive battery pressure tester, comprising:
a transport assembly; the conveying assembly comprises a stock preparation conveying belt and a blocking piece arranged at one end of the stock preparation conveying belt;
the scanning assembly is arranged on one side of the transportation assembly; the scanning component comprises a first scanner and a second scanner; the first scanner is arranged on one side of the material preparation conveying belt, and a camera of the first scanner is obliquely arranged and faces the material preparation conveying belt; the second scanner is arranged on one side of the blocking piece, and a camera of the second scanner is arranged vertically upwards; and
the detection assembly is arranged on one side of the scanning assembly; the detection assembly comprises a top plate, a bottom plate, a sliding rail arranged on the bottom plate, a moving frame connected with the sliding rail in a sliding manner, sensors arranged on two opposite sides of one end of the moving frame, which is far away from the sliding rail, a motor arranged on one side of the bottom plate, and a transmission belt sleeved with a rotor of the motor; the top plate and the stock preparation conveying belt are positioned on the same straight line; the transmission belt is connected with the movable frame; the sensors are respectively positioned on two opposite sides of the top plate, and detection lines are formed between the sensors.
Above-mentioned battery malleation test machine, structural design is reasonable, and convenient to use installs first scanner and second scanner in the one end department of the conveyer belt of prepareeing material, can scan the relative two sides of battery and take notes battery information, forms the detection line between the sensor, utilizes the detection line to detect the thickness of battery in order to confirm whether to take place the swell, and the work continuity is strong, and degree of automation is high, can practice thrift manpower resources, improves production efficiency.
In one embodiment, the first scanner has a height greater than a height of the stock conveyor and the second scanner has a height less than the height of the stock conveyor.
In one embodiment, the movable frame comprises a connecting part and loading parts connected to two opposite sides of the connecting part; the connecting part is connected with the sliding rail in a sliding manner, the loading parts are positioned on two opposite sides of the top plate, and the top of the loading part exceeds the top plate; the sensor is mounted on the top of the loading part.
In one embodiment, the positive battery pressure tester further comprises a positive pressure testing component; the scanning assembly is positioned on one side of the positive pressure testing assembly, and the detection assembly is positioned on the other side of the positive pressure testing assembly; the positive pressure testing assembly comprises a support, an upper die arranged on the bottom surface of the support, a lifting element connected with the upper die, at least two guide rails arranged below the support, a bottom die connected with the guide rails in a sliding manner, a driving part connected with the bottom die, a guide linear module arranged on one side surface of the support, a translation part connected with the guide linear module, a first material taking mechanical arm connected with one end of the translation part, and a second material taking mechanical arm connected with the other end of the translation part; the guide rail penetrates through the lower portion of the support, and the bottom die is used for corresponding to the upper die.
In one embodiment, the second scanner is located between the preparation conveyor and the bottom die.
In one embodiment, the positive battery pressure tester further comprises a discharging component arranged on one side of the detection component; the discharging assembly comprises a good product conveying belt and a defective product conveying belt which are arranged side by side, a hanging bracket, a discharging linear module arranged on one side surface of the hanging bracket, a switching plate connected with the discharging linear module, and a plurality of discharging manipulators arranged on the switching plate; the top plate, the good product conveying belt and the defective product conveying belt are all located under the hanging frame.
In one embodiment, the length direction of the good product conveyor belt and the length direction of the defective product conveyor belt are both consistent with the length direction of the top plate.
In one embodiment, the top plate and the bottom plate are arranged in parallel and spaced mode.
In one embodiment, the sensor is a correlation fiber.
In one embodiment, the positive battery pressure tester further comprises a pressing component arranged on one side of the detection component; the pressing assembly comprises a support column, a pressing element and a pressing rod, wherein the pressing element is installed at one end of the support column, and the pressing rod is connected to one end of the pressing element; the support post is positioned on one side of the top plate; the length direction of the pressing rod is consistent with the length direction of the top plate.
Drawings
Fig. 1 is a schematic perspective view of a positive pressure battery tester according to a preferred embodiment of the present invention;
FIG. 2 is a perspective view of the positive battery pressure tester shown in FIG. 1 from another perspective;
FIG. 3 is a schematic view of the assembly of the transport assembly and the scan assembly of the positive battery voltage tester shown in FIG. 1;
FIG. 4 is an assembly view of the transport assembly and the scan assembly of the positive battery pressure tester shown in FIG. 3 from another perspective;
FIG. 5 is a schematic perspective view of a positive pressure testing assembly of the positive pressure testing machine of the battery shown in FIG. 1;
FIG. 6 is a schematic perspective view of a detection assembly in the positive battery pressure tester shown in FIG. 1;
FIG. 7 is a perspective view of another view of the detecting assembly of the positive battery voltage tester shown in FIG. 6;
FIG. 8 is a perspective view of a pressing assembly of the positive battery pressure tester shown in FIG. 1;
fig. 9 is a perspective view of a discharging assembly in the positive battery pressure testing machine shown in fig. 1.
Reference is made to the accompanying drawings in which:
10-a transport assembly, 11-a loading conveyor, 12-a transfer robot, 13-a stock conveyor, 14-a stop, 15-a pushing element, 16-a stepper motor, 17-a first stop, 18-a second stop;
20-a scanning assembly, 21-a first adjustable stand, 22-a first scanner, 23-a second adjustable stand, 24-a second scanner;
30-positive pressure testing component, 31-bracket, 32-guide rail, 33-bottom die, 34-driving piece, 35-guide linear module, 36-translation piece, 37-first material taking manipulator and 38-second material taking manipulator;
40-detection assembly, 41-top plate, 42-bottom plate, 43-sliding rail, 44-moving frame, 441-connecting part, 442-loading part, 45-sensor, 46-driving motor, 47-driving belt, 48-detection line;
50-hold down assembly, 51-strut, 52-hold down element, 53-strut;
60-discharging component, 61-good product conveyor belt, 62-defective product conveyor belt, 63-hanging bracket, 64-discharging linear module, 65-adapter plate and 66-discharging mechanical arm.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 9, a positive pressure battery tester according to a preferred embodiment of the present invention is used for testing a battery, and includes a transportation module 10, a scanning module 20 mounted on one side of the transportation module 10, a positive pressure testing module 30 mounted on one side of the scanning module 20, a detection module 40 mounted on one side of the positive pressure testing module 30, a pressing module 50 mounted on one side of the detection module 40, and a discharging module 60 mounted on the other side of the detection module 40; specifically, the scanning assembly 20 is located at one side of the positive pressure testing assembly 30, and the detecting assembly 40 is located at the other side of the positive pressure testing assembly 30, so that the continuity of the testing work is improved, and the work efficiency is improved.
The transportation assembly 10 comprises a feeding conveyor belt 11, a transferring manipulator 12 mounted at one end of the feeding conveyor belt 11, a stock conveyor belt 13 mounted at one side of the feeding conveyor belt 11, and a blocking member 14 and a pushing element 15 mounted at one end of the second conveyor belt 13 far from the transferring manipulator 12. The feeding conveyor belt 11 and the preparation conveyor belt 13 are arranged in a staggered mode, and the conveying direction of the feeding conveyor belt 11 is consistent with the conveying direction of the preparation conveyor belt 13. The transferring mechanical arm 12 is installed on one end of the feeding conveyor belt 11 close to the material preparation conveyor belt 13, the battery is fed from one end of the feeding conveyor belt 11, the battery on the feeding conveyor belt 11 is grabbed through the transferring mechanical arm 12, and then the battery is transferred to the material preparation conveyor belt 13.
A blocking member 14 is mounted at the end of the preparation conveyor 13 remote from the transfer robot 12 for blocking the batteries from sliding off the preparation conveyor 13. Push element 15 is located and stops one side that 14 is close to transfer manipulator 12, and in this embodiment, push element 15 is the cylinder, and push element 15 is equipped with first piston rod, and first piston rod is connected with and promotes the piece, and first piston rod extension back drives and promotes the piece and promote the battery, and the conveyer belt 13's that prepares material edge is made up to the battery butt to in taking of malleation test component 30.
The material preparation conveying belt 13 is further connected with a stepping motor 16, the stepping motor 16 is started at intervals, namely the second conveying belt 13 is driven to move for a certain distance and then is stopped, and the operation is repeated so as to ensure that the batteries are uniformly arranged on the material preparation conveying belt 13 at intervals.
Still further, the transportation assembly 10 further comprises a first limiting member 17 mounted on one side of the feeding conveyor belt 11 and a second limiting member 18 mounted on one side of the stock conveyor belt 13. The distance between the first limiting member 17 and the feeding conveyor belt 11 is just enough to accommodate one battery to pass through, and the distance between the second limiting member 18 and the material preparation conveyor belt 13 is just enough to accommodate one battery to pass through, so that the batteries can be prevented from being stacked.
The scanning assembly 20 includes a first adjusting frame 21, a first scanner 22 movably mounted on the first adjusting frame 21, a second adjusting frame 23, and a second scanner 24 movably mounted on the second adjusting frame 23. The first adjusting bracket 21 is installed at one side of the material preparation conveying belt 13, the height of the first scanner 22 is larger than that of the material preparation conveying belt 13, and the camera of the first scanner 22 is obliquely arranged and faces the material preparation conveying belt 13 for scanning the top surface of the battery. The second adjusting bracket 23 is installed at one side of the blocking member 14, the height of the second scanner 24 is smaller than that of the stock material conveying belt 13, and the camera of the second scanner 24 is vertically arranged upward and used for scanning the bottom surface of the battery when the battery passes through. Since each battery label is provided with an information code, such as a bar code, a serial number or a two-dimensional code, the information code is used for recording the production information of the battery. When the batteries are loaded on the loading conveyor belt 11, the orientation of the batteries is not distinguished, and the information code may be located on the top surface or the bottom surface of the batteries, so that the first scanner 22 and the second scanner 24 scan the front and the back surfaces of the batteries respectively, the information of the batteries can be effectively acquired, the human resources are saved, and the production efficiency is improved.
The positive pressure testing assembly 30 includes a support 31, an upper mold (not shown) mounted on a bottom surface of the support 31, a lifting element (not shown) connected to the upper mold, at least two guide rails 32 mounted below the support 31, a bottom mold 33 slidably connected to the guide rails 32, a driving member 34 connected to one end of the bottom mold 33, a guide linear module 35 mounted on one side surface of the support 31, a translation member 36 connected to the guide linear module 35, a first material-taking manipulator 37 connected to one end of the translation member 36, and a second material-taking manipulator 38 connected to the other end of the translation member 36. The slide rail 31 penetrates through the lower part of the bracket 31; the lifting element is used for driving the upper die to do lifting motion; the bottom die 33 is used for the corresponding upper die. Further, the second scanner 24 is located between the second conveyor belt 13 and the bottom mold 33. In this embodiment, the driving member 34 is a pneumatic cylinder, the driving member 34 is provided with a second piston rod, the second piston rod is connected to the bottom mold 33, and the bottom mold 33 can be driven to move linearly along the guide rail 32 to push the bottom mold 33 out of the lower portion of the support 31 or pull the bottom mold 33 back to the lower portion of the support 31.
In the present embodiment, the guiding straight line module 35 is a straight line module.
During operation, the driving member 34 pushes out the empty bottom mold 33, the first material taking manipulator 37 grabs the battery to be tested from the material preparation conveyor belt 13 and puts the battery into the bottom mold 33, the driving member 34 starts to pull the loaded bottom mold 33 back to the lower side of the support 31, at this time, the lifting element drives the upper mold to descend, the upper mold and the bottom mold 33 are abutted to each other to form a test space, and a certain pressure is applied to the battery in the test space and is kept for a period of time. Then, the lifting element drives the upper die to ascend, the driving element 34 pushes out the bottom die 33, the guiding linear module 35 is started, the second material taking manipulator 38 is moved to the position right above the bottom die 33, and the second material taking manipulator 38 takes the tested battery away and sends the battery to the next process; meanwhile, the first material taking manipulator 37 is correspondingly positioned right above the material preparation conveyor belt 13, the first material taking manipulator 37 correspondingly takes the battery to be tested, when the second material taking manipulator 38 sends the tested battery to a colleague of the next procedure, the first material taking manipulator 37 sends the battery to be tested into the bottom die 33, and the operation is repeated, so that the production efficiency can be greatly improved.
The detection assembly 40 comprises a top plate 41 and a bottom plate 42 which are arranged in parallel at intervals, a slide rail 43 arranged on the bottom plate 42, a moving frame 44 connected with the slide rail 43 in a sliding manner, sensors 45 arranged on two opposite sides of one end of the moving frame 44 far away from the slide rail 43, a driving motor 46 arranged on one side of the bottom plate 42, and a transmission belt 47 sleeved with a rotor of the driving motor 46; the driving belt 47 is connected to the moving rack 44 to drive the moving rack 44 to move linearly along the slide rail 43. The top plate 41 and the material preparation conveyor belt 13 are positioned on the same straight line, the first material taking manipulator 37 grabs the battery to be tested on the material preparation conveyor belt 13 and puts the battery into the bottom die 33, and meanwhile, the second material taking manipulator 38 grabs and puts the detected battery on the bottom die 33 onto the top plate 41 for bulge detection.
In the present embodiment, the movable frame 44 includes a connecting portion 441 and loading portions 442 connected to opposite sides of the connecting portion 441. The connecting portion 441 is slidably connected to the slide rail 43, the loading portions 442 are located at opposite sides of the top plate 41, the top of the loading portion 442 extends beyond the top plate 41, the sensors 45 are mounted on the top of the loading portion 442, and the sensors 45 correspond to each other. Further, in the present embodiment, the sensors 45 are correlation fibers, a detection line 48 is formed between the two sensors 45, and the distance between the detection line 48 and the top plate 41 is the standard thickness of the battery. The moving frame 44 slides along the slide rail 43, so that the detection line 48 translates on the top plate 41, and if a bulge occurs in the battery, the bulge touches the detection line 48, and the battery is determined to be a defective battery, and a battery which does not touch the detection line 48 is determined to be a good battery. Compared with manual detection, the automatic detection device has the advantages that the automation degree is obviously improved, the human resources are saved, and the production efficiency is greatly improved.
It will be appreciated that in other embodiments, the sensor 45 may also be another sensor, such as an infrared sensor or the like.
The pressing assembly 50 comprises a support post 51, a pressing element 52 arranged at one end of the support post 51, and a pressing rod 53 connected with one end of the pressing element 52; the support 21 is located on one side of the top plate 41, the length direction of the pressure rod 53 is consistent with the length of the top plate 41, and the pressure rod 53 is used for pressing the battery on the top plate 41. Further, the pressing rod 53 is made of a transparent material so as to facilitate the detection line 48 to pass through. In the present embodiment, the pressing member 52 is a cylinder; the pressing member 52 is provided with a third piston rod, and the third piston rod 52 is connected to the pressing rod 52 to drive the pressing rod 52 to approach or separate from the top plate 41. The pressing rod 52 is used for pressing the battery, so that a better detection result can be ensured.
The discharging assembly 60 comprises a good product conveying belt 61 and a defective product conveying belt 62 which are arranged side by side, a hanging bracket 63, a discharging linear module 64 arranged on one side surface of the hanging bracket 63, a switching plate 65 connected with the discharging linear module 64, and a plurality of discharging manipulators 66 arranged on the switching plate 65; the discharging manipulator 66 is used for grabbing batteries on the top plate 41, placing the qualified product batteries on the qualified product conveyor belt 61, and placing the defective product batteries on the defective product conveyor belt 62. The top plate 41, the good product conveyor 61, and the defective product conveyor 62 are all located directly below the hanger 63. The good product conveyor 61 and the defective product conveyor 62 are both located on the same side of the top plate 41, and the longitudinal direction of the good product conveyor 61 and the longitudinal direction of the defective product conveyor 62 are both aligned with the longitudinal direction of the top plate 41.
In the present embodiment, the discharging linear module 64 is a linear module.
Above-mentioned battery malleation test machine, structural design is reasonable, and convenient to use installs first scanner 22 and second scanner 24 in the one end department of the conveyer belt 13 of prepareeing material, can scan the relative two sides of battery and come the record battery information, forms detection line 48 between the sensor 45, utilizes detection line 48 to detect the thickness of battery in order to confirm whether to take place the swell, and the work continuity is strong, and degree of automation is high, can practice thrift manpower resources, improves production efficiency.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A positive battery pressure tester, comprising:
a transport assembly; the conveying assembly comprises a stock preparation conveying belt and a blocking piece arranged at one end of the stock preparation conveying belt;
the scanning assembly is arranged on one side of the transportation assembly; the scanning component comprises a first scanner and a second scanner; the first scanner is arranged on one side of the material preparation conveying belt, and a camera of the first scanner is obliquely arranged and faces the material preparation conveying belt; the second scanner is arranged on one side of the blocking piece, and a camera of the second scanner is arranged vertically upwards; and
the detection assembly is arranged on one side of the scanning assembly; the detection assembly comprises a top plate, a bottom plate, a sliding rail arranged on the bottom plate, a moving frame connected with the sliding rail in a sliding manner, sensors arranged on two opposite sides of one end of the moving frame, which is far away from the sliding rail, a motor arranged on one side of the bottom plate, and a transmission belt sleeved with a rotor of the motor; the top plate and the stock preparation conveying belt are positioned on the same straight line; the transmission belt is connected with the movable frame; the sensors are respectively positioned on two opposite sides of the top plate, and detection lines are formed between the sensors.
2. The positive battery pressure testing machine of claim 1, wherein the first scanner has a height greater than a height of the stock conveyor belt and the second scanner has a height less than the height of the stock conveyor belt.
3. The positive battery pressure testing machine of claim 1, wherein the movable rack includes a connecting portion and loading portions connected to opposite sides of the connecting portion; the connecting part is connected with the sliding rail in a sliding manner, the loading parts are positioned on two opposite sides of the top plate, and the top of the loading part exceeds the top plate; the sensor is mounted on the top of the loading part.
4. The positive battery pressure testing machine of claim 1, further comprising a positive pressure testing component; the scanning assembly is positioned on one side of the positive pressure testing assembly, and the detection assembly is positioned on the other side of the positive pressure testing assembly; the positive pressure testing assembly comprises a support, an upper die arranged on the bottom surface of the support, a lifting element connected with the upper die, at least two guide rails arranged below the support, a bottom die connected with the guide rails in a sliding manner, a driving part connected with the bottom die, a guide linear module arranged on one side surface of the support, a translation part connected with the guide linear module, a first material taking mechanical arm connected with one end of the translation part, and a second material taking mechanical arm connected with the other end of the translation part; the guide rail penetrates through the lower portion of the support, and the bottom die is used for corresponding to the upper die.
5. The positive battery pressure testing machine of claim 4, wherein the second scanner is located between the stock conveyor and the base mold.
6. The positive battery pressure tester of claim 1, further comprising an outfeed assembly mounted to one side of the test assembly; the discharging assembly comprises a good product conveying belt and a defective product conveying belt which are arranged side by side, a hanging bracket, a discharging linear module arranged on one side surface of the hanging bracket, a switching plate connected with the discharging linear module, and a plurality of discharging manipulators arranged on the switching plate; the top plate, the good product conveying belt and the defective product conveying belt are all located under the hanging frame.
7. The positive battery pressure testing machine according to claim 6, wherein a longitudinal direction of the good product conveyor belt and a longitudinal direction of the defective product conveyor belt are both aligned with a longitudinal direction of the top plate.
8. The positive battery pressure tester of claim 1, wherein the top plate and the bottom plate are spaced apart in parallel.
9. The positive battery pressure testing machine of claim 1, wherein the sensor is a correlation fiber.
10. The positive battery pressure tester of claim 1, further comprising a hold-down assembly mounted to one side of the test assembly; the pressing assembly comprises a support column, a pressing element and a pressing rod, wherein the pressing element is installed at one end of the support column, and the pressing rod is connected to one end of the pressing element; the support post is positioned on one side of the top plate; the length direction of the pressing rod is consistent with the length direction of the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921116521.8U CN210701235U (en) | 2019-07-16 | 2019-07-16 | Positive-pressure tester for battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921116521.8U CN210701235U (en) | 2019-07-16 | 2019-07-16 | Positive-pressure tester for battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210701235U true CN210701235U (en) | 2020-06-09 |
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ID=70963322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921116521.8U Expired - Fee Related CN210701235U (en) | 2019-07-16 | 2019-07-16 | Positive-pressure tester for battery |
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| Country | Link |
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| CN (1) | CN210701235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114194809A (en) * | 2021-12-13 | 2022-03-18 | 博众精工科技股份有限公司 | Electricity core test processing equipment |
-
2019
- 2019-07-16 CN CN201921116521.8U patent/CN210701235U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114194809A (en) * | 2021-12-13 | 2022-03-18 | 博众精工科技股份有限公司 | Electricity core test processing equipment |
| CN114194809B (en) * | 2021-12-13 | 2024-01-09 | 博众精工科技股份有限公司 | Battery cell testing and processing equipment |
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