A high-speed aluminum shell OCV test equipment

Abstract

The present invention discloses a high-speed aluminum shell OCV testing device, comprising 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, a good-quality product discharging line, a good-quality product inkjet printer mechanism, a bad-quality product grabbing robot, and a bad-quality product discharging mechanism. The battery cell suction mechanism is disposed between the feeding mechanism and the transfer code scanning platform, the code scanning mechanism is disposed 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 good-quality product discharging line are sequentially disposed along the transport direction of the linear transfer robot, the good-quality product inkjet printer mechanism and the bad-quality product discharging mechanism are respectively disposed on either side of the good-quality product discharging line, and the bad-quality product grabbing robot is disposed between the good-quality product discharging line and the bad-quality product discharging mechanism. The present invention can achieve high-speed automation of OCV testing, greatly improving work efficiency, thereby increasing the manufacturer's production benefits.

Description

Technical Field

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

[0002] With the continuous development of society and the advancement of science and technology, mechanized automated production has become a development trend, gradually replacing traditional manual labor and injecting new impetus into the sustainable development of enterprises. Therefore, battery manufacturing companies must keep pace with the times, actively promote technological transformation through transformation and upgrading, and vigorously develop mechanized automated production to improve the company's "intelligent manufacturing" level and achieve sustainable development.

[0003] Before OCV testing, battery cells must be loaded, positioned, transferred, barcode scanned, and thickness inspected. After OCV testing, the cells must be coded and sorted for unloading. Therefore, automating OCV testing and improving the efficiency of automated equipment are technical challenges facing company R&D personnel. 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 thus improve the production benefits of manufacturers.

[0005] The technical solutions of the present invention are 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. 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, 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, and the NG product discharging mechanism is arranged on the other side of the OK product discharging line. 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 jig, a second jig, 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 each other between the driving wheel and the driven wheel. The motor shaft of the driving motor is connected to the driving wheel through the transmission assembly. Several first jigs are equidistantly arranged on the first synchronous belt along the length direction of the synchronous belt. Several second jigs are equidistantly arranged on the second synchronous belt along the length direction of the synchronous belt. The first jig and the second jig 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 along the battery cell transportation direction. The pushing assembly is arranged on one side of the loading section, and is used to align 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. Several pushing blocks are equidistantly arranged on the pushing plate to correspond to several 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 assembly and a plurality of first adsorption assemblies, the first lifting assembly is movably arranged on the first linear module, and the plurality of first adsorption assemblies are movably arranged on the first lifting assembly.

[0010] Furthermore, the transfer code scanning platform is movably arranged on a straight 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.

[0011] Furthermore, the linear transplanting robot includes 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 supporting platform, a second supporting platform, a first thickness measuring group and a second thickness measuring group. The first supporting platform and the second supporting 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 supporting platform and the second supporting platform. The first thickness measuring group is arranged on one side of the third linear module to correspond to the first supporting platform, and the second thickness measuring group is arranged on the other side of the third linear module to correspond to the second supporting platform. The first thickness measuring group and the second thickness measuring group are both composed of a number of thickness measuring devices, each thickness measuring device includes a screw stepper 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 stepper motor and are movably located above the first supporting platform and the second supporting 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 provided 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 provided on the front and back 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 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 component and several second adsorption components. The second lifting component is movably arranged on the fourth linear module, and the several second adsorption components are movably arranged on the second lifting component.

[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: the high-speed aluminum shell OCV testing equipment provided by the present invention is integrated with 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. 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 by the battery cell suction mechanism 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. Then, the linear transfer robot grabs several cells at a time and transports them to the battery thickness measurement mechanism for thickness measurement, then to the OCV testing mechanism for OCV testing, and finally to the OK product discharge line. Because the linear transfer robot has several transfer components, thickness measurement, OCV testing, and unloading processes can be carried out simultaneously, and each process can operate on several cells at the same time. Finally, the OK products that pass the test are unloaded from the OK product discharge line and coded by the OK product coding mechanism, while the NG products are grabbed from the OK product discharge line by the NG product grabbing robot and then classified and unloaded by the NG product discharge mechanism. This high-speed aluminum shell OCV testing equipment can realize high-speed automation of OCV testing, greatly improving work efficiency and thus improving the manufacturer's production benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. 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 any creative work.

[0018] Figure 1 A schematic structural diagram 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 This is a structural 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 This is a schematic structural diagram of the linear transplanting robot of the present invention;

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

[0024] Figure 7 Schematic diagram of the structure 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] Figure 9 This is a schematic diagram of the structure of the NG product sorting and stacking robot described in the present invention. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to 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, specific embodiments are provided below.

[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 transfer robot 6, a battery thickness measuring mechanism 7, an OCV testing mechanism 8, an OK product discharge line 9, an OK product coding mechanism 10, an NG product grabbing robot 11, an NG product buffer platform 12 and an NG product discharge 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 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 of the battery cells is scanned after the battery cells arrive at the transfer scanning platform 4; The transfer code scanning platform 4, the battery thickness measuring mechanism 7, the OCV testing mechanism 8, and the OK product discharge line 9 are arranged in sequence along the transportation direction of the linear transfer manipulator 6. The battery cells on the transfer code scanning platform 4 are first grabbed by the linear transfer manipulator 6 and transported to the battery thickness measuring mechanism 7 for thickness measurement, and then transported to the OCV testing mechanism 8 for OCV testing, and finally transported to the OK product discharge line 9; the OK product coding mechanism 10 is arranged on one side of the OK product discharge line 9, the NG product discharge mechanism 13 is arranged on the other side of the OK product discharge line 9, and the NG product buffer platform 12 is arranged between the OK product discharge line 9 and the NG product The NG products are stored in the NG product buffer platform 12. The NG products are unloaded from the OK product unloading line 9 and coded by the OK product coding mechanism 10, while the NG products are grabbed from the OK product unloading line 9 by the NG product grabbing robot 11 and placed on the NG product buffer platform 12 for caching, and then unloaded by the NG product unloading mechanism 13. The NG product unloading 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 cache 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 cache 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 matters 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 the 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, and 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, and the pushing component 208 is arranged on the loading section. One side of the segment is used to push the stacked cells in the cell stacking bin, which includes a first pushing cylinder, a pushing plate 2081, a pushing block 2082 and a limiting block 2083. The cylinder shaft of the first pushing cylinder is connected to the pushing plate 2081. A plurality of pushing blocks 2082 are equidistantly provided on the pushing plate 2081 to correspond to a plurality of cell stacking bins. The top of the pushing block 2082 extends out of the limiting block 2083. The first pushing cylinder drives the plurality of pushing blocks 2082 through the pushing plate 2081 to align the stacked cells in the cell stacking bin. Push them into alignment and limit the height 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 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 assembly 302, and a plurality of first suction assemblies 303. The first lifting assembly 302 is movably mounted on the first linear module 301, and the plurality of first suction assemblies 303 are movably mounted on the first lifting assembly 302. The plurality of first suction assemblies 303 can simultaneously absorb a plurality of battery cells. Driven by the first linear module 301, the plurality of first suction assemblies 303 can reciprocate between the positioning sections of the first and second synchronous belts 204 and 205 and the transfer and code scanning platform 4. Driven by the first lifting assembly 302, the plurality of first suction assemblies 303 can move up and down, thereby sucking the battery cells from the first and second synchronous belts 204 and 205 and placing them on the transfer and code scanning platform 4.

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

[0034] Specific, combined Figure 5 As shown, the linear transfer robot 6 comprises a second linear module 601 and several transfer assemblies 602 movably mounted on the second linear module 601. Each transfer assembly 602 has a lifting function and is equipped with several suction cup assemblies. A single transfer assembly 602, using several suction cup assemblies, can simultaneously pick up several battery cells. Driven by the second linear module 601, it can reciprocate between the transfer barcode scanning platform 4, the battery thickness measurement mechanism 7, the OCV testing mechanism 8, and the approved product discharge line 9. With multiple transfer assemblies 602, thickness measurement, OCV testing, and unloading processes can be performed simultaneously, and each process can handle multiple battery cells simultaneously.

[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 number of thickness measuring devices, each of which includes a screw stepping motor 7051, an upper thickness measuring Plate 7052 and lower thickness measuring plate 7053, 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, and the parallelism problem of the upper and lower thickness measuring plates can be quickly adjusted and solved through the four-corner fine-tuning bolts. 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 steadily 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 testing mechanism 8 includes a left and right fine-tuning slide 801, an adsorption platform 802, a battery tail pushing device 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; the adsorption platform 802 is provided with a number of battery cell adsorption stations. During testing, each battery cell adsorption station uses a vacuum suction cup 805 to suck the head of the battery cell to ensure that the head does not move up and down during battery testing; each battery cell adsorption station is provided with a positioning clamp 806 on both sides, which can be adjusted according to the width of the battery cell; the battery tail pushing device 803 and the test probe group 804 are arranged on the left and right sides of the battery cell adsorption station. After the battery cell is placed on the battery cell adsorption station and positioned, the battery tail pushing device 803 pushes the battery cell toward the test probe group 804 for contact testing. The test probe group 804 is provided with a number of test probes corresponding to the number of battery cell adsorption stations.

[0037] Specific, combined Figure 8As shown, the NG product grabbing robot 11 includes a fourth linear module 1101, a second lifting assembly 1102, and several second suction assemblies 1103. The second lifting assembly 1102 is movably mounted on the fourth linear module 1101, and the several second suction assemblies 1103 are movably mounted on the second lifting assembly 1102. The several second suction assemblies 1103 can simultaneously pick up several NG products. Driven by the fourth linear module 1101, they can reciprocate between the OK product discharge line 9 and the NG product buffer platform 12. Driven by the second lifting assembly 1102, they can move up and down, thereby picking up battery cells from the OK product discharge line 9 and placing them on the NG product buffer platform 12.

[0038] Specific, combined Figure 9 As shown, the NG product sorting and stacking robot 1301 includes a fifth linear module 13011, a third lifting assembly 13012, and a third suction assembly 13013. The third lifting assembly 13012 is movably mounted on the fifth linear module 13011, and the third suction assembly 13013 is movably mounted on the third lifting assembly 13012. Several third suction assemblies 13013 can simultaneously pick up several pieces of NG products. Driven by the fifth linear module 13011, they can reciprocate between the NG product buffer platform 12, the first NG product discharge line 1302, and the second NG product discharge line 1303. Driven by the third lifting assembly 13012, they can move up and down, thereby picking up battery cells from the NG product buffer platform 12 and placing them on the first NG product discharge line 1302 or the second NG product discharge line 1303.

[0039] In summary, the high-speed aluminum shell OCV test equipment can be used to test aluminum shell battery cells of different sizes. It has a wide range of applications and high work efficiency. It realizes high-speed automation of OCV testing and helps 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 scope of protection 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. Set up in sequence, the battery cells on the transfer code scanning platform are first grabbed and transported to the battery thickness measuring mechanism by the linear transfer robot 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 set on one side of the OK product discharging line, and the NG product discharging mechanism is set on the other side of the OK product discharging line. The NG product grabbing robot is set between the OK product discharging line and the NG product discharging mechanism. OK products are unloaded through the OK product discharging line and coded through the OK product inkjet printing mechanism, while 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 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 jig, a second jig, a pushing assembly, a first positioning assembly and a second positioning assembly. The first synchronous belt and the second synchronous belt are connected between the driving wheel and the driven wheel in a left-right relative transmission manner. The motor shaft of the driving motor is connected to the driving wheel through a transmission assembly. Several first jigs are equidistantly arranged on the first synchronous belt along the length direction of the synchronous belt. Several second jigs are equidistantly arranged on the second synchronous belt along the length direction of the synchronous belt. The first jig and the second jig are A battery cell stacking bin is formed between the tools, and the width of the battery cell stacking bin can be adjusted to the width of the corresponding battery cell by pulling the first synchronous belt and the second synchronous belt in reverse. The first synchronous belt and the second synchronous belt are divided into a loading section and a positioning section 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.

2. The high-speed aluminum shell OCV testing equipment according to claim 1, 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. Several pushing blocks are equidistantly arranged on the pushing plate to correspond to several battery cell stacking bins. The top of the pushing block extends out of the limiting block.

3. The high-speed aluminum shell OCV testing equipment according to claim 1, characterized in that: The battery core 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.

4. 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 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.

5. 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. Each transplanting component has a lifting function and is provided with a plurality of suction cup groups.

6. 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 supporting platform, a second supporting platform, a first thickness measuring group and a second thickness measuring group. The first supporting platform and the second supporting 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 supporting platform and the second supporting platform. The first thickness measuring group is arranged on one side of the third linear module to correspond to the first supporting platform, and the second thickness measuring group is arranged on the other side of the third linear module to correspond to the second supporting platform. The first thickness measuring group and the second thickness measuring group are both composed of a number of thickness measuring devices, each thickness measuring device includes a screw stepper 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 stepper motor up and down and are movably located above the first supporting platform and the second supporting platform.

7. 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 provided 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 provided on the front and back 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 the number of battery cell adsorption stations.

8. 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 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 includes a fourth linear module, a second lifting component and several second adsorption components. The second lifting component is movably arranged on the fourth linear module, and the several second adsorption components are movably arranged on the second lifting component.

9. The high-speed aluminum shell OCV testing equipment according to claim 8, 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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