High-speed aluminum shell OCV test equipment

Abstract

The invention discloses high-speed aluminum shell OCV testing equipment which comprises a base, a feeding mechanism, a battery cell suction mechanism, a transfer code scanning platform, a code scanning mechanism, a linear transplanting manipulator, a battery thickness measuring mechanism, an OCV testing mechanism, an OK product discharging line, an OK product code spraying mechanism, an NG product grabbing manipulator and an NG product discharging mechanism, and the feeding mechanism, the battery cell suction mechanism, the transfer code scanning platform, the code scanning mechanism, the linear transplanting manipulator, the battery thickness measuring mechanism, the OCV testing mechanism, the OK product discharging line and the OK product code spraying mechanism are arranged on the base. The battery cell suction mechanism is arranged between the feeding mechanism and the transfer code scanning platform, the code scanning mechanism is arranged on one side of the transfer code scanning platform, the transfer code scanning platform, the battery thickness measuring mechanism, the OCV testing mechanism and the OK product discharging line are sequentially arranged in the conveying direction of the linear transplanting mechanical arm, and the OK product code spraying mechanism and the NG product discharging mechanism are arranged on the two sides of the OK product discharging line correspondingly. And the NG product grabbing manipulator is arranged between the OK product discharging line and the NG product discharging mechanism. According to the invention, high-speed automation of the OCV test can be realized, the working efficiency is greatly improved, and the production benefits of manufacturers are further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical automation production of electric cores, and in particular to a high-speed aluminum shell OCV testing device. Background Art

[0002] With the continuous development of society and the continuous advancement of science and technology, mechanical automation production has become a development trend and has gradually replaced traditional manual labor, injecting a new source of power into the sustainable development of enterprises. Therefore, battery manufacturing companies also need to keep pace with the times, actively promote technological transformation through transformation and upgrading, and vigorously develop mechanical automation production, so as to improve the company's "smart manufacturing" level and achieve sustainable development of the company.

[0003] Before the OCV test, the battery cells need to be loaded, positioned, transferred, scanned, and thickness tested; after the OCV test, the battery cells need to be sprayed with codes and classified. Therefore, how to automate the OCV test and improve the working efficiency of the automation equipment is a technical problem that the company's R&D personnel need to solve. Summary of the invention

[0004] The purpose of the present invention is to provide a high-speed aluminum shell OCV testing device, which can realize high-speed automation of OCV testing, greatly improve work efficiency, and further improve the production efficiency of manufacturers.

[0005] The technical solution of the present invention is as follows:

[0006] A high-speed aluminum shell OCV testing equipment, including a base and a feeding mechanism, a battery cell suction mechanism, a transfer code scanning platform, a code scanning mechanism, a linear transplanting manipulator, a battery thickness measuring mechanism, an OCV testing mechanism, an OK product discharging line, an OK product coding mechanism, an NG product grabbing manipulator and an NG product discharging mechanism arranged on the base, the battery cell is fed through the feeding mechanism, the battery cell suction mechanism is arranged between the feeding mechanism and the transfer code scanning platform, the battery cell on the feeding mechanism is sucked by the battery cell suction mechanism and transferred to the transfer code scanning platform, the code scanning mechanism is arranged on one side of the transfer code scanning platform to scan the battery cell, the transfer code scanning platform, the battery thickness measuring mechanism, the OCV testing mechanism, the OK product discharging line are moved along the linear transplanting machine The transport direction of the manipulator is set in sequence, the battery cells on the transfer scanning platform are first grabbed by the linear transfer manipulator and transported to the battery thickness measuring mechanism for thickness measurement, and then transported to the OCV testing mechanism for OCV testing, and finally transported to the OK product discharging line, the OK product inkjet printing mechanism is arranged on one side of the OK product discharging line, the NG product discharging mechanism is arranged on the other side of the OK product discharging line, and the NG product grabbing manipulator is arranged between the OK product discharging line and the NG product discharging mechanism. The OK products are unloaded through the OK product discharging line and coded through the OK product inkjet printing mechanism, while the NG products are grabbed from the OK product discharging line by the NG product grabbing manipulator, and then classified and unloaded through the NG product discharging mechanism.

[0007] Furthermore, the feeding mechanism is a dual-synchronous belt feeding mechanism, which includes a driving motor, a driving wheel, a driven wheel, a first synchronous belt, a second synchronous belt, a first fixture, a second fixture, a pushing assembly, a first positioning assembly and a second positioning assembly, the first synchronous belt and the second synchronous belt are relatively connected to the driving wheel and the driven wheel in a left-right transmission manner, the motor shaft of the driving motor is connected to the driving wheel through a transmission assembly, a plurality of first fixtures are equidistantly arranged on the first synchronous belt along the length direction of the synchronous belt, a plurality of second fixtures are equidistantly arranged on the second synchronous belt along the length direction of the synchronous belt, and the first fixture and the second fixture are equidistantly arranged on the second synchronous belt along the length direction of the synchronous belt. A battery cell stacking bin is formed between the two fixtures, and the width of the battery cell stacking bin can be adjusted by pulling the first synchronous belt and the second synchronous belt in reverse to correspond to the width of the battery cell. The first synchronous belt and the second synchronous belt are divided into a loading section and a positioning section front and back along the battery cell transportation direction. The pushing assembly is arranged on one side of the loading section, and is used to push the stacked battery cells in the battery cell stacking bin. The first positioning assembly and the second positioning assembly are relatively arranged on both sides of the positioning section. A positioning groove adapted to the length of the battery cell is formed between the first positioning assembly and the second positioning assembly, and the positioning groove can position several stacked battery cells at the same time.

[0008] Furthermore, the pushing assembly includes a first pushing cylinder, a pushing plate, a pushing block and a limit block. The cylinder shaft of the first pushing cylinder is connected to the pushing plate. A number of pushing blocks are equidistantly arranged on the pushing plate to correspond to a number of battery cell stacking bins. The top of the pushing block extends out of the limit block.

[0009] Furthermore, the battery cell suction mechanism includes a first linear module, a first lifting component and a plurality of first adsorption components, the first lifting component is movably arranged on the first linear module, and the plurality of first adsorption components are movably arranged on the first lifting component.

[0010] Furthermore, the transfer code scanning platform is movably arranged on a linear guide rail and is driven to move by a second push cylinder, and the transfer code scanning platform is provided with a plurality of battery cell placement positions.

[0011] Furthermore, the linear transplanting robot comprises a second linear module and a plurality of transplanting components movably arranged on the second linear module, and each transplanting component has a lifting function and is provided with a plurality of suction cup groups.

[0012] Furthermore, the battery thickness measuring mechanism includes a third linear module, a movable plate, a first receiving platform, a second receiving platform, a first thickness measuring group and a second thickness measuring group. The first receiving platform and the second receiving platform are relatively movably arranged on the third linear module through the movable plate. A row of battery cells can be placed on the first receiving platform and the second receiving platform. The first thickness measuring group is arranged on one side of the third linear module to correspond to the first receiving platform, and the second thickness measuring group is arranged on the other side of the third linear module to correspond to the second receiving platform. The first thickness measuring group and the second thickness measuring group are composed of a plurality of thickness measuring devices, each thickness measuring device includes a screw stepping motor, an upper thickness measuring plate and a lower thickness measuring plate. The upper thickness measuring plate and the lower thickness measuring plate are connected to the motor shaft of the screw stepping motor from top to bottom and are movably located above the first receiving platform and the second receiving platform.

[0013] Furthermore, the OCV testing mechanism includes left and right fine-tuning slides, an adsorption platform, a battery tail pushing device and a test probe group. The adsorption platform is movably arranged on the left and right fine-tuning slides. A number of battery cell adsorption stations are arranged on the adsorption platform. During testing, each battery cell adsorption station holds the battery cell head through a vacuum suction cup. Positioning clamps are arranged on the front and rear sides of each battery cell adsorption station. The battery tail pushing device and the test probe group are relatively arranged on the left and right sides of the battery cell adsorption station. The test probe group is provided with a number of test probes corresponding to a number of battery cell adsorption stations.

[0014] Furthermore, an NG product cache platform is provided between the OK product discharging line and the NG product discharging mechanism, the NG product grabbing robot is movably arranged above the NG product cache platform, the NG product grabbing robot comprises a fourth linear module, a second lifting assembly and a plurality of second adsorption assemblies, the second lifting assembly is movably arranged on the fourth linear module, and the plurality of second adsorption assemblies are movably arranged on the second lifting assembly.

[0015] Furthermore, the NG product discharging mechanism includes an NG product sorting and stacking robot, a first NG discharging line and a second NG discharging line. The first NG discharging line and the second NG discharging line are arranged side by side to unload different types of NG products. The NG product sorting and stacking robot is movably arranged above the NG product buffer platform, the first NG discharging line and the second NG discharging line. The NG product sorting and stacking robot includes a fifth linear module, a third lifting assembly and a third adsorption assembly. The third lifting assembly is movably arranged on the fifth linear module, and the third adsorption assembly is movably arranged on the third lifting assembly.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: a high-speed aluminum shell OCV testing equipment provided by the present invention integrates a feeding mechanism, a battery cell suction mechanism, a transfer code scanning platform, a code scanning mechanism, a linear transplanting manipulator, a battery thickness measuring mechanism, an OCV testing mechanism, an OK product discharging line, an OK product coding mechanism, an NG product grabbing manipulator and an NG product discharging mechanism. The battery cells are stacked and loaded through the feeding mechanism, and the loading process includes processes such as pushing and positioning. The width of the battery cell stacking bin can be adjusted by two synchronous belts to adapt to battery cells of different sizes. After the battery cells are positioned, they are grabbed and transported to the transfer code scanning platform (several battery cells can be grabbed at a time). The battery cells can be checked during the transportation process as needed. The back of the cell is scanned or the front of the cell is scanned after arriving at the transfer scanning platform, and then the linear transfer robot grabs several cells at a time and transports them to the battery thickness measuring mechanism for thickness measurement, and then transports them to the OCV testing mechanism for OCV testing, and finally transports them to the OK product discharging line. The linear transfer robot has several transfer components, so the thickness measurement, OCV testing, and unloading processes can be carried out simultaneously, and each process can operate several cells at the same time. Finally, the OK products that pass the test are unloaded through the OK product discharging line and sprayed through the OK product coding mechanism, while the NG products are grabbed from the OK product discharging line by the NG product grabbing robot, and then classified and unloaded through the NG product discharging mechanism. The high-speed aluminum shell OCV testing equipment can realize high-speed automation of OCV testing, greatly improving work efficiency, thereby improving the production efficiency of manufacturers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, 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 invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of a high-speed aluminum shell OCV testing device provided by the present invention;

[0019] Figure 2 It is a structural schematic diagram of the feeding mechanism of the present invention;

[0020] Figure 3 It is a structural schematic diagram of the battery core absorption mechanism of the present invention;

[0021] Figure 4 This is a schematic diagram of the structure of the transfer code scanning platform of the present invention;

[0022] Figure 5 It is a structural schematic diagram of the linear transplanting manipulator of the present invention;

[0023] Figure 6 It is a structural schematic diagram of the battery thickness measuring mechanism of the present invention;

[0024] Figure 7 It is a structural schematic diagram of the OCV testing mechanism of the present invention;

[0025] Figure 8 This is a schematic diagram of the structure of the NG product grabbing robot of the present invention;

[0026] Fig. 9 It is a structural schematic diagram of the NG product classification and stacking robot described in the present invention. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] In order to illustrate the technical solution of the present invention, a specific embodiment is provided below for illustration.

[0029] Example

[0030] See also Figure 1The present embodiment provides a high-speed aluminum shell OCV testing equipment, including a base 1 and a feeding mechanism 2, a battery cell suction mechanism 3, a transfer code scanning platform 4, a code scanning mechanism 5, a linear transplanting manipulator 6, a battery thickness measuring mechanism 7, an OCV testing mechanism 8, an OK product discharging line 9, an OK product inkjet mechanism 10, an NG product grabbing manipulator 11, an NG product buffering platform 12 and an NG product discharging mechanism 13 arranged on the base 1. The battery cells are loaded through the feeding mechanism 2; the battery cell suction mechanism 3 is arranged between the feeding mechanism 2 and the transfer scanning platform 4, and the battery cells on the feeding mechanism 2 are sucked by the battery cell suction mechanism 3 and transferred to the transfer scanning platform 4; the scanning mechanism 5 is arranged on one side of the transfer scanning platform 4 to scan the battery cells. According to the needs, the scanning mechanism 5 can be arranged between the battery cell suction mechanism 3 and the transfer scanning platform 4 to scan the back side of the battery cells during the battery cell transportation process, or it can be arranged on the other side of the transfer scanning platform 4 as in the present embodiment, and the front side of the battery cells is scanned after the battery cells arrive on the transfer scanning platform 4; The transfer scanning platform 4, the battery thickness measuring mechanism 7, the OCV testing mechanism 8, and the OK product discharging line 9 are arranged in sequence along the transportation direction of the linear transfer manipulator 6. The battery cells on the transfer scanning platform 4 are first grabbed and transported to the battery thickness measuring mechanism 7 by the linear transfer manipulator 6 for thickness measurement, and then transported to the OCV testing mechanism 8 for OCV testing, and finally transported to the OK product discharging line 9; the OK product inkjet mechanism 10 is arranged on one side of the OK product discharging line 9, the NG product discharging mechanism 13 is arranged on the other side of the OK product discharging line 9, and the NG product buffer platform 12 is arranged between the OK product discharging line 9 and the NG product The NG products are stored in the storage tank 12 and the storage tank 13 is used for caching NG products. The NG product grabbing robot 11 is arranged between the OK product discharging line 9 and the NG product discharging mechanism 13 and is movably arranged above the NG product caching platform 12. The OK products are discharged through the OK product discharging line 9 and coded through the OK product coding mechanism 10, while the NG products are grabbed from the OK product discharging line 9 by the NG product grabbing robot 11 and placed on the NG product caching platform 12 for caching, and then classified and discharged by the NG product discharging mechanism 13; the NG product discharging mechanism 13 includes an NG product classification and stacking robot 1301, a first N The G discharging line 1302 and the second NG discharging line 1303, the first NG discharging line 1302 and the second NG discharging line 1303 are arranged side by side to unload different types of NG products, and the NG product sorting and stacking robot 1301 is movably arranged above the NG product buffer platform 12, the first NG discharging line 1302 and the second NG discharging line 1303. The NG product sorting and stacking robot 1301 absorbs NG products from the NG product buffer platform 12 and places them on the first NG discharging line 1302 or the second NG discharging line 1303 for unloading according to different NG items of the NG products.

[0031] Specific, combined Figure 2As shown, the feeding mechanism 2 is a dual synchronous belt feeding mechanism, which includes a driving motor 201, a driving wheel 202, a driven wheel 203, a first synchronous belt 204, a second synchronous belt 205, a first fixture 206, a second fixture 207, a pushing assembly 208, a first positioning assembly 209 and a second positioning assembly 210. The first synchronous belt 204 and the second synchronous belt 205 are connected between the driving wheel 202 and the driven wheel 203 in a relative transmission manner. The motor shaft of the driving motor 201 is connected to the driving wheel 202 through a transmission component. The driving motor 201 drives the first synchronous belt 204 and the second synchronous belt 205 to operate synchronously through the driving wheel 202. A plurality of first jigs 206 are equidistantly arranged on the first synchronous belt 204 along the length direction of the synchronous belt. A plurality of second jigs 207 are equidistantly arranged on the second synchronous belt 205 along the length direction of the synchronous belt. A battery cell stacking bin is formed between the first jig 206 and the second jig 207. The battery cells are placed in the battery cell stacking bin in a stacked manner. The width of the battery cell stacking bin can be adjusted to the width of the corresponding battery cells by pulling the first synchronous belt 204 and the second synchronous belt 205 in the opposite direction. By adjusting the width of the battery cell stacking bin, it can adapt to battery cells of different sizes. The first synchronous belt 204 and the second synchronous belt 205 are divided into a loading section and a positioning section front and back along the battery cell transportation direction. The pushing component 208 is arranged at the loading section. The first push cylinder is provided on one side of the section, and is used to push the stacked cells in the cell stacking bin to align. The first push cylinder includes a first push cylinder, a push plate 2081, a push block 2082 and a limit block 2083. The cylinder shaft of the first push cylinder is connected to the push plate 2081. The push plate 2081 is provided with a plurality of push blocks 2082 at equal distances to correspond to a plurality of cell stacking bins. The top of the push block 2082 extends out of the limit block 2083. The first push cylinder drives the plurality of push blocks 2082 to align the stacked cells in the plurality of cell stacking bins through the push plate 2081. The battery cells are pushed into alignment and the height is limited by the limit block 2083 on the top; the first positioning component 209 and the second positioning component 210 are relatively arranged on both sides of the positioning section, and a positioning groove adapted to the length of the battery cell is formed between the first positioning component 209 and the second positioning component 210. The positioning groove can position several stacked battery cells at the same time. After positioning, wait for the battery cell suction mechanism 3 to suck them. The positioning groove can adjust the width of the positioning groove according to the length of different battery cells through the first positioning component 209 and the second positioning component 210.

[0032] Specific, combined Figure 3As shown, the battery cell suction mechanism 3 includes a first linear module 301, a first lifting component 302 and a plurality of first adsorption components 303. The first lifting component 302 is movably arranged on the first linear module 301, and the plurality of first adsorption components 303 are movably arranged on the first lifting component 302. The plurality of first adsorption components 303 can simultaneously suck a plurality of battery cells, and can reciprocate between the positioning sections of the first synchronous belt 204 and the second synchronous belt 205 and the transfer code scanning platform 4 under the action of the first linear module 301, and can move up and down under the action of the first lifting component 302, so as to realize the action of sucking the battery cells from the first synchronous belt 204 and the second synchronous belt 205 and placing them on the transfer code scanning platform 4.

[0033] Specific, combined Figure 4 As shown, the transfer code scanning platform 4 is movably arranged on a linear guide rail 401 and is driven by a second push cylinder 402 to move back and forth in the direction of the battery cell suction mechanism 3. The transfer code scanning platform 4 is provided with a plurality of battery cell placement positions 403, which can place a plurality of battery cells at the same time.

[0034] Specific, combined Figure 5 As shown, the linear transplanting manipulator 6 includes a second linear module 601 and a plurality of transplanting components 602 movably arranged on the second linear module 601. Each transplanting component 602 has a lifting function and is provided with a plurality of suction cup groups. A transplanting component 602 can simultaneously absorb a plurality of battery cells through a plurality of suction cup groups, and can reciprocate between the transfer code scanning platform 4, the battery thickness measuring mechanism 7, the OCV testing mechanism 8, and the OK product discharging line 9 under the action of the second linear module 601. Due to the plurality of transplanting components 602, the thickness measuring, OCV testing, and unloading processes can be performed simultaneously, and each process can simultaneously operate a plurality of battery cells.

[0035] Specific, combined Figure 6As shown, the battery thickness measuring mechanism 7 includes a third linear module 701, a movable plate 702, a first receiving platform 703, a second receiving platform 704, a first thickness measuring group 705, and a second thickness measuring group 706. The first receiving platform 703 and the second receiving platform 704 are relatively movable and arranged on the third linear module 701 through the movable plate 702. A row of battery cells can be placed on the first receiving platform 703 and the second receiving platform 704. The first thickness measuring group 705 is arranged on one side of the third linear module 701 to correspond to the first receiving platform 703, and the second thickness measuring group 706 is arranged on the other side of the third linear module 701 to correspond to the second receiving platform 704; the first thickness measuring group 705 and the second thickness measuring group 706 are composed of a plurality of thickness measuring devices, each of which includes a screw stepping motor 7051, an upper thickness measuring The upper thickness measuring plate 7052 and the lower thickness measuring plate 7053 are connected to the motor shaft of the screw stepper motor 7051 up and down and are movably located above the first supporting platform 703 and the second supporting platform 704. The upper thickness measuring plate 7052 and the lower thickness measuring plate 7053 are fixed with rectangular springs. Through the four-corner fine-tuning bolts, the parallelism problem of the upper and lower thickness measuring plates can be quickly adjusted and solved. The screw stepper motor 7051 controls the lifting and lowering of the upper thickness measuring plate 7052 and the lower thickness measuring plate 7053 to ensure that the upper thickness measuring plate 7052 is stably close to the battery cell, thereby improving the accuracy and stability of the thickness measurement data. After the battery cells are placed on the first receiving platform 703 and the second receiving platform 704, they are moved to the bottom of the lower thickness measuring plate 7053 of the first thickness measuring group 705 under the action of the third linear module 701 to measure the thickness of the first row of battery cells, and then moved to the bottom of the lower thickness measuring plate 7053 of the second thickness measuring group 706 to measure the thickness of the second row of battery cells.

[0036] Specific, combined Figure 7 As shown, the OCV test mechanism 8 includes a left and right fine-tuning slide 801, an adsorption platform 802, a battery tail pusher 803 and a test probe group 804. The adsorption platform 802 is movably arranged on the left and right fine-tuning slides 801, and can be fine-tuned along the width direction of the linear transplanting manipulator 6 through the left and right fine-tuning slides 801; a plurality of battery cell adsorption stations are arranged on the adsorption platform 802, and each battery cell adsorption station sucks the battery cell head through a vacuum suction cup 805 during the test to ensure that the head does not move up and down during the battery test; positioning clamps 806 are arranged on both sides of each battery cell adsorption station, which can be adjusted according to the width of the battery cell; the battery tail pusher 803 and the test probe group 804 are relatively arranged on the left and right sides of the battery cell adsorption station, and after the battery cell is placed on the battery cell adsorption station and positioned, the battery tail pusher 803 pushes the battery cell to move in the direction of the test probe group 804 for contact testing, and the test probe group 804 is provided with a plurality of test probes corresponding to a plurality of battery cell adsorption stations.

[0037] Specific, combined Figure 8As shown, the NG product grabbing manipulator 11 includes a fourth linear module 1101, a second lifting assembly 1102 and a plurality of second adsorption assemblies 1103. The second lifting assembly 1102 is movably arranged on the fourth linear module 1101, and the plurality of second adsorption assemblies 1103 are movably arranged on the second lifting assembly 1102. The plurality of second adsorption assemblies 1103 can simultaneously absorb a plurality of NG products, and can reciprocate between the OK product discharging line 9 and the NG product buffer platform 12 under the action of the fourth linear module 1101, and can move up and down under the action of the second lifting assembly 1102, so as to realize the action of absorbing the battery cells from the OK product discharging line 9 and placing them on the NG product buffer platform 12.

[0038] Specific, combined Fig. 9 As shown, the NG product classification and stacking robot 1301 includes a fifth linear module 13011, a third lifting assembly 13012 and a third adsorption assembly 13013. The third lifting assembly 13012 is movably arranged on the fifth linear module 13011, and the third adsorption assembly 13013 is movably arranged on the third lifting assembly 13012. A plurality of third adsorption assemblies 13013 can simultaneously absorb a plurality of NG products, and can reciprocate between the NG product buffer platform 12, the first NG discharging line 1302, and the second NG discharging line 1303 under the action of the fifth linear module 13011, and can move up and down under the action of the third lifting assembly 13012, so as to realize the action of absorbing the battery cells from the NG product buffer platform 12 and placing them on the first NG discharging line 1302 or the second NG discharging line 1303.

[0039] In summary, the high-speed aluminum shell OCV testing equipment can be used for testing aluminum shell battery cells of different sizes, has a wide range of applications, and has high work efficiency. It realizes high-speed automation of OCV testing and helps to improve the production efficiency of manufacturers.

[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-speed aluminum shell OCV test equipment, characterized by: It includes a base and a feeding mechanism, a battery cell suction mechanism, a transfer code scanning platform, a code scanning mechanism, a linear transfer robot, a battery thickness measuring mechanism, an OCV testing mechanism, an OK product discharging line, an OK product inkjet mechanism, an NG product grabbing robot and an NG product discharging mechanism arranged on the base. The battery cells are loaded through the feeding mechanism. The battery cell suction mechanism is arranged between the feeding mechanism and the transfer code scanning platform. The battery cells on the feeding mechanism are sucked by the battery cell suction mechanism and transferred to the transfer code scanning platform. The code scanning mechanism is arranged on one side of the transfer code scanning platform to scan the battery cells. The transfer code scanning platform, the battery thickness measuring mechanism, the OCV testing mechanism and the OK product discharging line are along the transportation direction of the linear transfer robot. It is arranged in sequence that the battery cells on the transfer scanning platform are first grabbed by the linear transfer robot and transported to the battery thickness measuring mechanism for thickness measurement, then transported to the OCV testing mechanism for OCV testing, and finally transported to the OK product discharging line, the OK product inkjet printing mechanism is arranged on one side of the OK product discharging line, the NG product discharging mechanism is arranged on the other side of the OK product discharging line, and the NG product grabbing robot is arranged between the OK product discharging line and the NG product discharging mechanism. The OK products are unloaded through the OK product discharging line and coded through the OK product inkjet printing mechanism, while the NG products are grabbed from the OK product discharging line by the NG product grabbing robot and then classified and unloaded through the NG product discharging mechanism.

2. A high-speed aluminum shell OCV testing device according to claim 1, characterized in that: The feeding mechanism is a dual synchronous belt feeding mechanism, which includes a driving motor, a driving wheel, a driven wheel, a first synchronous belt, a second synchronous belt, a first fixture, a second fixture, a pushing assembly, a first positioning assembly and a second positioning assembly. The first synchronous belt and the second synchronous belt are relatively connected to the driving wheel and the driven wheel in a left-right transmission manner. The motor shaft of the driving motor is connected to the driving wheel through a transmission assembly. A plurality of first fixtures are equidistantly arranged on the first synchronous belt along the length direction of the synchronous belt. A plurality of second fixtures are equidistantly arranged on the second synchronous belt along the length direction of the synchronous belt. The first fixture and the second fixture are connected to each other in a right-left direction. A battery cell stacking bin is formed between the tools, and the width of the battery cell stacking bin can be adjusted by pulling the first synchronous belt and the second synchronous belt in reverse to correspond to the width of the battery cell. The first synchronous belt and the second synchronous belt are divided into a loading section and a positioning section front and back along the battery cell transportation direction. The pushing assembly is arranged on one side of the loading section, and is used to push the stacked battery cells in the battery cell stacking bin. The first positioning assembly and the second positioning assembly are relatively arranged on both sides of the positioning section. A positioning groove adapted to the length of the battery cell is formed between the first positioning assembly and the second positioning assembly, and the positioning groove can position several stacked battery cells at the same time.

3. A high-speed aluminum shell OCV testing device according to claim 2, characterized in that: The pushing assembly includes a first pushing cylinder, a pushing plate, a pushing block and a limiting block. The cylinder shaft of the first pushing cylinder is connected to the pushing plate. A plurality of pushing blocks are equidistantly arranged on the pushing plate to correspond to a plurality of battery cell stacking bins. The top of the pushing block extends out of the limiting block.

4. A high-speed aluminum shell OCV testing device according to claim 1, characterized in that: The battery core suction mechanism comprises a first linear module, a first lifting component and a plurality of first adsorption components, wherein the first lifting component is movably arranged on the first linear module, and the plurality of first adsorption components are movably arranged on the first lifting component.

5. The high-speed aluminum shell OCV testing equipment according to claim 1, characterized in that: The transfer code scanning platform is movably arranged on a straight line guide rail and is driven to move by a second push cylinder. The transfer code scanning platform is provided with a plurality of battery cell placement positions.

6. The high-speed aluminum shell OCV testing equipment according to claim 1, characterized in that: The linear transplanting manipulator comprises a second linear module and a plurality of transplanting components movably arranged on the second linear module, and each transplanting component has a lifting function and is provided with a plurality of suction cup groups.

7. The high-speed aluminum shell OCV testing equipment according to claim 1, characterized in that: The battery thickness measuring mechanism includes a third linear module, a movable plate, a first receiving platform, a second receiving platform, a first thickness measuring group and a second thickness measuring group. The first receiving platform and the second receiving platform are relatively movably arranged on the third linear module through the movable plate. A row of battery cells can be placed on the first receiving platform and the second receiving platform. The first thickness measuring group is arranged on one side of the third linear module to correspond to the first receiving platform, and the second thickness measuring group is arranged on the other side of the third linear module to correspond to the second receiving platform. The first thickness measuring group and the second thickness measuring group are composed of a plurality of thickness measuring devices, each of which includes a screw stepping motor, an upper thickness measuring plate and a lower thickness measuring plate. The upper thickness measuring plate and the lower thickness measuring plate are connected to the motor shaft of the screw stepping motor from top to bottom and are movably located above the first receiving platform and the second receiving platform.

8. The high-speed aluminum shell OCV testing equipment according to claim 1, characterized in that: The OCV testing mechanism includes left and right fine-tuning slides, an adsorption platform, a battery tail pushing device and a test probe group. The adsorption platform is movably arranged on the left and right fine-tuning slides. A number of battery cell adsorption stations are arranged on the adsorption platform. Each battery cell adsorption station uses a vacuum suction cup to suck the battery cell head during testing. Positioning clamps are arranged on the front and rear sides of each battery cell adsorption station. The battery tail pushing device and the test probe group are relatively arranged on the left and right sides of the battery cell adsorption station. The test probe group is provided with a number of test probes corresponding to a number of battery cell adsorption stations.

9. The high-speed aluminum shell OCV testing equipment according to claim 1, characterized in that: An NG product cache platform is also provided between the OK product discharge line and the NG product discharge mechanism. The NG product grabbing robot is movably arranged above the NG product cache platform. The NG product grabbing robot includes a fourth linear module, a second lifting assembly and a plurality of second adsorption assemblies. The second lifting assembly is movably arranged on the fourth linear module, and the plurality of second adsorption assemblies are movably arranged on the second lifting assembly.

10. A high-speed aluminum shell OCV testing device according to claim 9, characterized in that: The NG product discharging mechanism includes an NG product sorting and stacking robot, a first NG discharging line and a second NG discharging line. The first NG discharging line and the second NG discharging line are arranged side by side to unload different types of NG products. The NG product sorting and stacking robot is movably arranged above the NG product buffer platform, the first NG discharging line and the second NG discharging line. The NG product sorting and stacking robot includes a fifth linear module, a third lifting assembly and a third adsorption assembly. The third lifting assembly is movably arranged on the fifth linear module, and the third adsorption assembly is movably arranged on the third lifting assembly.

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