A battery plate strength testing system

Abstract

The application discloses a kind of battery plate strength test systems, it is related to the field of plate strength test, including multi-angle tooling device and array type impact test device, multi-angle tooling device includes pedestal, first tooling platform, second tooling platform and tooling side plate, first tooling platform is rotatably installed on pedestal, second tooling platform is rotatably installed on first tooling platform, the rotation axis of first tooling platform is perpendicular to the rotation axis of second tooling platform in horizontal plane, array type impact test device includes impact base plate, lifting drive plate and impact lever, several impact levers are slidably arranged on impact base plate, several impact levers are arranged in rectangular array, lifting drive plate is arranged above impact base plate, lifting drive plate is arranged with several drive columns in rectangular array, each drive column is configured with an impact lever, drive column is detachably connected with impact lever, simulate by accurate adjustment tooling angle, ensure that test scene and actual working condition are highly consistent.

Description

Technical Field

[0001] This invention relates to the field of plate strength testing, specifically to a battery plate strength testing system. Background Technology

[0002] As a core energy storage component in new energy vehicles, energy storage equipment, and emergency power supplies, the service life and reliability of batteries directly determine the operational stability of end products. The battery plates, as the core components of the battery, bear the crucial functions of energy storage and conversion; their mechanical strength is a key indicator affecting the battery's vibration and shock resistance. During battery production, transportation, installation, and actual operating conditions, the plates are frequently subjected to mechanical forces such as bumps, collisions, and assembly compression. Insufficient strength can easily lead to problems such as cracking, powder shedding, and deformation, directly causing battery capacity decay, increased internal resistance, and even safety hazards such as short circuits and leaks. Therefore, accurate and comprehensive strength testing of battery plates is a crucial link in ensuring battery product quality and a core testing item in the industry's quality control system.

[0003] With the rapid development of the new energy industry, battery products are iterating towards higher energy density, miniaturization, and longer lifespan. The structural design of the plates (such as thinner profiles and multi-grid designs) and material formulations are constantly being optimized, placing higher demands on the accuracy, comprehensiveness, and adaptability of strength testing. Traditional plate strength testing mainly focuses on the compressive and flexural strength tests of a single plane. However, in actual applications, the mechanical impacts that plates experience often have complex characteristics involving multiple angles and contact points. Existing testing methods are no longer sufficient to simulate the stress scenarios under real-world conditions, leading to discrepancies between test results and actual usage effects, and failing to effectively identify potential structural defects. Specifically:

[0004] Firstly, the testing angle is limited and the scenario simulation is incomplete: Traditional electrode plate fixtures are mostly fixed structures, which can only realize unidirectional testing when the electrode plates are horizontal or vertical, and cannot adjust the spatial angle of the electrode plates. However, in actual working conditions, the installation posture and vibration direction of the battery are diverse, and the electrode plates may be subjected to impact forces at different angles. Single-angle testing cannot cover the stress conditions in all scenarios, thus limiting the reference value of the test results.

[0005] Secondly, the impact testing method is limited and cannot achieve precision and control: existing impact testing devices mostly use a single impact rod or a distributed impact structure, which makes it difficult to achieve array-type synchronous impact. Moreover, the position and number of impact points cannot be flexibly adjusted, and it is impossible to simulate the multi-point synchronous impact or local concentrated impact scenarios that the electrode plate may face in actual use.

[0006] Third, the degree of automation is low and the operation efficiency is low: the angle adjustment, impact parameter setting and tooling fixation of traditional testing devices rely heavily on manual operation, which is not only labor-intensive but also has large operation errors. It is impossible to achieve automated and standardized control of the testing process, and it is difficult to meet the high-efficiency testing needs in large-scale production scenarios. Summary of the Invention

[0007] The purpose of this invention is to overcome the shortcomings of the prior art and provide a battery plate strength testing system to address the deficiencies of the prior art.

[0008] The objective of this invention is achieved through the following technical solution: a battery plate strength testing system, comprising a multi-angle fixture device and an array-type impact testing device. The multi-angle fixture device includes a base, a first fixture platform, a second fixture platform, and fixture side plates. The first fixture platform is rotatably mounted on the base, and the second fixture platform is rotatably mounted on the first fixture platform. The rotation axis of the first fixture platform is perpendicular to the rotation axis of the second fixture platform in a horizontal plane. A right-angle positioning component is fixed on the second fixture platform, and fixture side plates are correspondingly provided on both sides of the right-angle positioning component. The fixture side plates cooperate with the right-angle positioning component to fixture the battery plates on the second fixture platform. The array-type impact testing device includes an impact base plate, a lifting drive plate, and impact rods. A plurality of impact rods are slidably passed through the impact base plate and arranged in a rectangular array. The lifting drive plate is positioned above the impact base plate, and a plurality of drive columns are arranged in a rectangular array on the lifting drive plate. Each drive column is equipped with an impact rod, and the drive column is detachably connected to the impact rod. The lifting drive plate has a degree of freedom to move in the vertical direction.

[0009] Furthermore, a spring disc is fixedly sleeved on the impact rod, and an impact spring is sleeved on the impact rod, with both ends of the impact spring contacting the spring disc and the impact base plate, respectively.

[0010] Furthermore, the lifting drive plate has a stepped hole at the location of the drive column, a bearing is installed in the stepped hole, the drive column is rotatably mounted on the inner ring of the bearing, the bottom of the drive column is connected to a docking block through a docking shaft, the impact rod has a docking cavity, the top of the impact rod has a rectangular groove, the rectangular groove communicates with the docking cavity, the docking block can be screwed into the docking cavity from the rectangular groove, and the length of the docking block is greater than the width of the rectangular groove.

[0011] Furthermore, a rotating column is slidably inserted through the top of the drive column, and a gear is fitted on the rotating column. Each row of drive columns is equipped with a rack, and the gear meshes with the rack. All the racks are connected together through a drive beam. A drive cylinder is horizontally mounted on the lifting drive plate, and the telescopic shaft of the drive cylinder is connected to the drive beam. The rotating column moves vertically to make the gear mesh with or disengage from the rack.

[0012] Furthermore, the rotating column includes a rectangular sliding column and a gear shaft. A vertical groove is provided at the top of the driving column. The cross-section of the vertical groove and the cross-section of the rectangular sliding column are both rectangular. One end of the rectangular sliding column is slidably fitted into the vertical groove. The gear shaft is fixed to the top of the rectangular sliding column. The gear is mounted on the gear shaft. A spring is installed in the vertical groove. An elastic hook is vertically fixed in the vertical groove. The elastic hook is shaped like a figure 7. A switching groove is provided on the side of the rectangular sliding column near the elastic hook. The hook-shaped part at the top of the elastic hook is located in the switching groove. A guide block is fixed in the switching groove. The bottom of the guide block is inclined. A receiving groove is provided at the top of the guide block. A guide lever is fixed on the inner top wall of the switching groove. The bottom of the guide lever extends into the receiving groove. Both the left and right ends of the guide block are guide inclined surfaces.

[0013] When the elastic hook is located below the guide block, the gear engages the rack;

[0014] When the hook-shaped part abuts against the side wall of the receiving groove, the elastic hook is in a bent deformation state, and the gear separates from the rack.

[0015] Furthermore, the array-type impact testing device also includes a first linear drive module, a second linear drive module, a test base, a test slide, and a test crossbeam. The first linear drive module is mounted on the test base, and a module base plate is mounted on the slide of the first linear drive module. The second linear drive module is mounted on the module base plate, and the test slide is mounted on the slide of the second linear drive module. A test cylinder is vertically mounted on the test slide, and the telescopic shaft of the test cylinder is connected to the test crossbeam. A cylinder is vertically mounted on the test crossbeam, and the telescopic shaft of the cylinder is connected to the top plate. First connecting rods are fixed at the four corners of the top of the lifting drive plate. The first connecting rods move through the test crossbeam and connect to the top plate. The impact base plate is fixedly connected to the test crossbeam through second connecting rods.

[0016] Furthermore, the array-type impact testing device also includes a pressure switching mechanism, which includes a pressure mounting plate, a third linear drive module, a fourth linear drive module, and a pressure cylinder. The pressure mounting plate is fixedly sleeved on the first connecting rod and is located above the lifting drive plate. The third linear drive module is installed at the bottom of the pressure mounting plate, and the fourth linear drive module is installed on the slide of the third linear drive module. The moving direction of the third linear drive module is perpendicular to the moving direction of the fourth linear drive module. The pressure cylinder is vertically installed on the slide of the fourth linear drive module, and the rotating column is located on the extension and retraction path of the pressure cylinder.

[0017] Furthermore, the top of the base is provided with a first mounting slot, a first main shaft is rotatably mounted in the first mounting slot, a first bushing is fixedly sleeved on the first main shaft, the first tooling platform is fixed on the first bushing, a first motor is mounted on the base, and the output shaft of the first motor is connected to the first main shaft.

[0018] Furthermore, the top of the first tooling platform is provided with a second mounting slot, a second main shaft is rotatably mounted in the second mounting slot, a second bushing is fixedly mounted on the second main shaft, the second tooling platform is fixed on the second bushing, a second motor is mounted on the second tooling platform, and the output shaft of the second motor is connected to the second main shaft.

[0019] Furthermore, each of the tooling side plates is equipped with a tooling cylinder, the telescopic shaft of the tooling cylinder is connected to the tooling side plate, and a pressing tooling block is slidably provided on the end face of the tooling side plate near the right-angle positioning member.

[0020] The beneficial effects of this invention are:

[0021] 1. Through the dual-axis rotation design of the first and second tooling platforms, flexible adjustment of the spatial angle of the battery plates is achieved. The two platforms working together allow the plates to be adjusted to any testing angle in three-dimensional space, perfectly solving the deficiency of traditional tooling that can only perform unidirectional testing. Whether it's the bumps and collisions during battery production and transportation, or the stress scenarios under different postures after installation, these can all be simulated by precisely adjusting the tooling angle, ensuring a high degree of consistency between the test scenario and actual working conditions. This significantly improves the reference value and reliability of the test results, providing a more comprehensive basis for evaluating plate strength.

[0022] 2. The array-type impact testing device uses a rectangular array of impact rods, combined with a detachable drive column design, to achieve multi-point synchronous impact, accurately simulating the multi-contact impact scenarios faced by the electrode plate in actual use, thus overcoming the limitations of traditional single impact rod testing. Secondly, the drive column and impact rods are detachably connected, allowing for flexible increases or decreases in the number of impact rods and adjustments in the distribution of impact points according to testing needs. This enables both comprehensive impact testing and localized concentrated impact testing of weak areas of the electrode plate, adapting to the testing requirements of electrode plates with different structures (such as multi-grid and irregular shapes).

[0023] 3. By adjusting the spring stiffness or the lifting stroke of the lifting drive plate, the impact force can be precisely controlled to meet the differentiated strength test requirements of electrode plates of different materials and thicknesses. There is no need to replace the mechanical structure, and the operation is convenient and the adjustment accuracy is high.

[0024] 4. The multi-angle fixture device achieves stable fixation of battery plates of different specifications through a combined positioning structure of "right-angle positioning component + fixture side plate + pressing fixture block". The right-angle positioning component provides a reference positioning, the fixture cylinder drives the fixture side plate to clamp the battery plate from both sides, and the sliding pressing fixture block limits the position from the top and bottom, effectively avoiding the problem of battery plate displacement and shaking during the test, ensuring that the impact force is accurately transmitted to the battery plate, and greatly improving the repeatability and accuracy of the test data. At the same time, the clamping stroke of the fixture side plate and the height of the pressing fixture block can be flexibly adjusted to adapt to battery plates of different sizes and thicknesses. There is no need to design fixtures separately for specific specifications of battery plates, which significantly improves the versatility of the equipment and reduces the testing cost. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of a battery plate strength testing system according to the present invention. Figure 1 ;

[0026] Figure 2 This is a schematic diagram of the impact base plate in a battery plate strength testing system of the present invention;

[0027] Figure 3 for Figure 1 Enlarged view of point A in the middle;

[0028] Figure 4 This is a schematic diagram of the structure of a battery plate strength testing system according to the present invention. Figure 2 ;

[0029] Figure 5 for Figure 4 Enlarged view at point B in the middle;

[0030] Figure 6 This is a schematic diagram of the extension of the rotating column in a battery plate strength testing system of the present invention;

[0031] Figure 7 This is a schematic diagram of the downward pressure of a rotating column in a battery plate strength testing system according to the present invention;

[0032] Figure 8 This is a schematic diagram of the array-type impact testing device in a battery plate strength testing system of the present invention.

[0033] Figure 9 This is a schematic diagram of the structure of a multi-angle tooling device in a battery plate strength testing system according to the present invention. Figure 1 ;

[0034] Figure 10 This is a schematic diagram of the structure of a multi-angle tooling device in a battery plate strength testing system according to the present invention. Figure 2 ;

[0035] In the diagram, 1-base, 2-first tooling platform, 3-second tooling platform, 4-tooling side plate, 5-right-angle positioning component, 6-impact base plate, 7-lifting drive plate, 8-impact rod, 9-drive column, 10-spring disc, 11-impact spring, 12-dating shaft, 13-dating block, 14-dating cavity, 15-rectangular groove, 16-rotating column, 17-gear, 18-rack, 19-drive beam, 20-drive cylinder, 21-rectangular sliding column, 22-gear shaft, 23-vertical groove, 24-spring, 25-elastic hook, 26-switching groove, 27-guide block, 28-accommodating groove, 29-guide lever, 30-first linear drive module. 31-Second linear drive module, 32-Test base, 33-Test slide, 34-Test crossbeam, 35-Module base plate, 36-Test cylinder, 37-First connecting rod, 38-Cylinder, 39-Top plate, 40-Press mounting plate, 41-Third linear drive module, 42-Fourth linear drive module, 43-Press cylinder, 44-Second connecting rod, 45-First spindle, 46-First bushing, 47-First motor, 48-Second spindle, 49-Second bushing, 50-Second motor, 51-Tooling cylinder, 52-Pressing tooling block, 53-Tooling block mounting slot, 54-Guide rail, 55-Electromagnet, 56-Permanent magnet, 57-Tooling spring. Detailed Implementation

[0036] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the following description. Example 1

[0037] like Figures 1 to 10As shown, a battery plate strength testing system includes a multi-angle fixture device and an array-type impact testing device. The multi-angle fixture device includes a base 1, a first fixture platform 2, a second fixture platform 3, and fixture side plates 4. The first fixture platform 2 is rotatably mounted on the base 1, and the second fixture platform 3 is rotatably mounted on the first fixture platform 2. The rotation axis of the first fixture platform 2 is perpendicular to the rotation axis of the second fixture platform 3 in a horizontal plane. A right-angle positioning component 5 is fixed on the second fixture platform 3, and fixture side plates 4 are correspondingly provided on both sides of the right-angle positioning component 5. The fixture side plates 4 cooperate with the right-angle positioning component 5 to fixture the battery plates onto the second fixture platform 3. The array-type impact testing device includes an impact base plate 6, a lifting drive plate 7, and... Impact rods 8 are slidably mounted on the impact base plate 6. These impact rods 8 are arranged in a rectangular array. A lifting drive plate 7 is positioned above the impact base plate 6. Several drive columns 9 are arranged in a rectangular array on the lifting drive plate 7, each drive column 9 being equipped with one impact rod 8. The drive columns 9 are detachably connected to the impact rods 8. The lifting drive plate 7 has the freedom to move vertically. A spring disc 10 is fixedly mounted on each impact rod 8, and an impact spring 11 is mounted on each impact rod 8. The two ends of the impact spring 11 contact the spring disc 10 and the impact base plate 6, respectively. The battery plates are placed on the second tooling platform 3 manually or with a robotic arm. The position of the plates initially corresponds to the right-angle positioning piece 5. Then, one of the tooling side plates 4 is brought close to the plate. The plate moves so that one side of the plate contacts the right-angle positioning piece 5. Then, another tooling side plate 4 moves closer to the plate so that the other side of the plate contacts the right-angle positioning piece 5. The two tooling side plates 4 then press against the plate, working in conjunction with the right-angle positioning piece 5 to complete the tooling positioning of the plate. The deflection of the first tooling platform 2 causes the plate to deflect left and right, and the deflection of the second tooling platform 3 causes the plate to deflect forward and backward. The combined action allows the plate to be adjusted to any test angle in three-dimensional space, simulating the actual installation conditions of the battery plate. This ensures a high degree of consistency between the test scenario and actual working conditions, significantly improving the reference value and reliability of the test results, and providing a more comprehensive basis for plate strength evaluation. After the plate's test angle is adjusted, the plate's impact resistance is tested. In the strength test, the lifting drive plate 7 drives the drive column 9 to move upward, and the drive column 9 drives the impact rod 8 connected to it to move upward. After the impact rod 8 compresses the impact spring 11 and moves to the designated position, the drive column 9 separates from the impact rod 8, so that the impact rod 8 moves downward under the force of the compression spring 11 to impact the electrode plate. By controlling the moving height of the impact rod 8, the degree of compression of the impact spring 11 is controlled, thereby controlling the impact intensity on the electrode plate. After the impact, the damage state of the electrode plate is observed to obtain the impact resistance test data of the electrode plate. The several impact rods 8 arranged in a rectangular array can realize multi-point synchronous impact, accurately simulate the multi-contact impact scenario faced by the electrode plate in actual use, and make up for the limitations of traditional single impact rod testing.Secondly, the drive column 9 and the impact rod 8 are detachably connected, allowing for flexible adjustment of the number of impact rods and the distribution of impact points according to testing needs. This enables both comprehensive impact testing and targeted, concentrated impact testing of weak areas of the electrode plate, adapting to the testing requirements of electrode plates with different structures. Example 2

[0038] In actual testing, the electrode plates need to be continuously impacted under a set impact force to study their impact resistance time. Using only two tooling side plates to tool the electrode plates causes them to easily shift upwards on the first impact, affecting the accuracy of subsequent impact tests. Therefore, based on Example 1, as... Figures 1 to 10 As shown, each tooling side plate 4 is equipped with a tooling cylinder 51. The telescopic shaft of the tooling cylinder 51 is connected to the tooling side plate 4. A pressing tooling block 52 is slidably disposed on the end face of the tooling side plate 4 near the right-angle positioning member 5. A tooling block mounting groove 53 is opened on the side wall of the tooling side plate 4 near the right-angle positioning member 5. A guide rail 54 is fixed on the inner wall of the tooling block mounting groove 53. The pressing tooling block 52 is slidably mounted on the guide rail 54. An electromagnet 55 is installed on the inner top wall of the mounting groove 53. A permanent magnet 56 is installed on the top of the pressing tooling block 52. When the electromagnet 55 is energized, it generates magnetic poles with the same magnetism as the permanent magnet 56. A tooling spring 57 is connected to the top of the pressing tooling block 52. The end of the tooling spring 57 away from the pressing tooling block 52 is connected to the inner top wall of the tooling block mounting groove 53. In front of the tooling pole plate, the electromagnet 55 is in a de-energized state. The pressing fixture 52 is positioned above the electrode plate under the action of the fixture spring 57. First, the fixture cylinder 51 drives the fixture side plate 4 to squeeze the electrode plate. When the fixture side plate 4 restricts the electrode plate on the right-angle positioning piece 5, the electromagnet 55 is energized to repel the permanent magnet 56, causing the pressing fixture 52 to stretch the spring downward and press the electrode plate firmly on the second fixture platform 3, thereby restricting the degree of freedom of movement of the electrode plate in the Z-axis direction. The cooperation between the fixture side plate 4 and the right-angle positioning piece 5 restricts the degree of freedom of movement of the electrode plate in the horizontal direction, ensuring that the position of the substrate will not change under the impact. It can continuously perform impact tests with different combinations to obtain accurate strength test data of the electrode plate. After the test, the electromagnet 55 is de-energized, and the pressing fixture 52 moves upward and resets under the action of the fixture spring 57. Example 3

[0039] Based on Example 2, such as Figures 1 to 10As shown, the base 1 has a first mounting slot on its top. A first main shaft 45 is rotatably mounted in the first mounting slot. A first bushing 46 is fixedly sleeved on the first main shaft 45. A first tooling platform 2 is fixed on the first bushing 46. A first motor 47 is mounted on the base 1. The output shaft of the first motor 47 is connected to the first main shaft 45. The first motor 47 drives the first main shaft 45 to deflect, which in turn drives the first tooling platform 2 to deflect via the first bushing 46, thereby adjusting the angle of the electrode plate in the X-axis direction. The top of the first tooling platform 2 has a second mounting slot. A second spindle 48 is dynamically installed, and a second bushing 49 is fixedly sleeved on the second spindle 48. A second tooling platform 3 is fixed on the second bushing 49, and a second motor 50 is installed on the second tooling platform 3. The output shaft of the second motor 50 is connected to the second spindle 48. The second motor 50 drives the second spindle 48 to deflect, which in turn drives the second tooling platform 3 to deflect via the second bushing 49, thereby achieving angle adjustment of the electrode plate in the Y-axis direction. Thus, through the cooperation of the first tooling platform 2 and the second tooling platform 3, the tooling angle of the electrode plate can be adjusted within a large range to simulate the actual installation conditions of the electrode plate. In specific implementation, both the first motor 47 and the second motor 50 are worm gear reducers, which can achieve self-locking between the first spindle 45 and the second spindle 48. Example 4

[0040] Based on Example 3, such as Figures 1 to 5As shown, the lifting drive plate 7 has a stepped hole at the location of the drive column 9, and a bearing is installed in the stepped hole. The drive column 9 is rotatably mounted on the inner ring of the bearing. The bottom of the drive column 9 is connected to the docking block 13 through the docking shaft 12. The impact rod 8 has a docking cavity 14, and the top of the impact rod 8 has a rectangular groove 15 that connects to the docking cavity 14. The docking block 13 can be screwed into the docking cavity 14 from the rectangular groove 15. The length of the docking block 13 is greater than the width of the rectangular groove 15. A rotating column 16 slides through the top of the drive column 9. A gear 17 is mounted on the rotating column 16. Each row of drive columns 9 is equipped with a rack 18. The gear 17 meshes with the rack 18. All racks 18 are connected to the drive column 9. The drive beams 19 are connected together. A drive cylinder 20 is horizontally mounted on the lifting drive plate 7. The telescopic shaft of the drive cylinder 20 is connected to the drive beams 19. The rotating column 16 moves vertically to make the gear 17 mesh or disengage with the rack 18. The specific test process is as follows: The lifting drive plate 7 drives the drive column 9 to move closer to the impact rod 8, so that the drive column 9 moves the docking block 13 into the rectangular groove 15. Then the drive cylinder 20 drives the drive beam 19 to move. The drive beam 19 simultaneously drives multiple racks 18 to move. Through the meshing of the racks 18 and the gear 17, the drive column 9 rotates, so that the drive column 9 rotates the docking block 13 by 90°, so that the docking block 13 is screwed into the docking cavity 14. At this time, The docking block 13 is perpendicular to the rectangular groove 15, preventing it from moving out of the groove. This connects the drive column 9 to the impact rod 8. When the lifting drive plate 7 moves upward, the drive column 9 drives the connected impact rod 8 upward, compressing the impact spring 11 and putting it into a charged state. This simultaneously puts all the impact rods 8 into a charged state. Then, based on the required impact area and number of impact points of the control plate, the gear 17 corresponding to the impact rod 8 that needs impact operation remains engaged with the rack 18, while the rotating column 16 corresponding to the impact rod 8 that does not need impact operation moves downward, causing the corresponding gear 17 to engage with the rack 18. Separation is achieved, keeping the drive column 9 connected to the impact rod 8. Then, the drive cylinder 20 drives the rack 18 to move in the opposite direction, causing the drive column 9 to rotate the docking block 13 by 90°, so that the docking block 13 is screwed into the rectangular groove 15. At this time, the docking block 13 can disengage from the rectangular groove 15, completing the separation of the drive column 9 and the impact rod 8. The impact rod 8 then impacts the electrode plate under the action of the impact spring 11 for strength testing. The impact rod 8, which remains connected to the drive column 9, will not impact the electrode plate. This allows for the control of the number of impact rods 8 as needed, thereby adjusting the number of impact areas and impact points. It also allows for the simulation of different impact conditions and the study of the impact of different impact conditions on the strength of the electrode plate. Example 5

[0041] Since the rack 18 cannot lock the position of the drive column 9 by meshing with the gear 17 after the gear 17 separates from the rack 18, the vibration generated when the working impact rod 8 hits the electrode plate will cause the drive column 9 corresponding to the non-working impact rod 8 to deflect unexpectedly, thus preventing the rotating column 16 on the drive column 9 from resetting and allowing the gear 17 to re-mesh the rack 18. Therefore, based on embodiment four, each drive column 9 is equipped with a locking mechanism, which includes a locking rod, a locking electromagnet, and a locking permanent magnet. The lifting drive plate 7 has a locking groove for installing the locking mechanism, which communicates with the corresponding stepped hole. The locking electromagnet is installed in the locking groove, and the locking rod is slidably disposed in the locking groove, with the locking rod close to the locking electromagnet. One end is equipped with a locking permanent magnet. When the locking electromagnet is energized, it generates magnetic poles with the same magnetism as the locking permanent magnet. A locking spring is set in the locking groove. The two ends of the locking spring are connected to the lifting drive plate 7 and the locking rod, respectively. The side wall of the drive column 9 is provided with a locking hole. When the docking block 13 is screwed into the docking cavity 14, the locking hole is located on the movement path of the locking rod. The locking electromagnet corresponding to the impact rod 8, which does not need to perform impact operation, is energized to repel the locking permanent magnet, so that the locking rod stretches the locking spring and inserts into the locking hole, thereby locking the position of the drive column 9. This ensures that there will be no accidental deflection under impact vibration, and that the gear 17 can smoothly mesh with the rack 18 when the rotating column 16 is reset upward, ensuring the stability of the structure and enabling repeated impact actions. Example 6

[0042] Based on Example 5, such as Figures 1 to 7As shown, the rotating column 16 includes a rectangular sliding column 21 and a gear shaft 22. A vertical groove 23 is formed at the top of the driving column 9. The cross-section of the vertical groove 23 and the rectangular sliding column 21 are both rectangular. One end of the rectangular sliding column 21 is slidably fitted into the vertical groove 23. The gear shaft 22 is fixed to the top of the rectangular sliding column 21, and a gear 17 is mounted on the gear shaft 22. A spring 24 is installed in the vertical groove 23, and an elastic hook 25 is vertically fixed in the vertical groove 23. The elastic hook 25 is shaped like a "7". The rectangular sliding column 21 is close to... A switching groove 26 is provided on one side of the elastic hook 25. The hook-shaped part at the top of the elastic hook 25 is located in the switching groove 26. A guide block 27 is fixed in the switching groove 26. The bottom of the guide block 27 is inclined. A receiving groove 28 is provided at the top of the guide block 27. A guide lever 29 is fixed on the inner top wall of the switching groove 26. The bottom of the guide lever 29 extends into the receiving groove 28. Both the left and right ends of the guide block 27 are guide slopes. When the elastic hook 25 is located below the guide block 27, the gear 17 meshes with the rack 18.When the hook-shaped part abuts against the side wall of the receiving groove 28, the elastic hook 25 is in a bent deformation state, and the gear 17 is separated from the rack 18. When the elastic hook 25 is in its normal state, the gear 17 meshes with the rack 18, so that the rotating column 16 can smoothly drive the drive column 9 to deflect, so that the drive column 9 drives the docking block 13 to rotate to complete the connection and separation with the impact rod 8. When it is necessary to separate the gear 17 from the rack 18, press down on the gear shaft 22, so that the gear shaft 22 drives the rectangular sliding column 21 to move downward, so that the inclined bottom of the guide block 27... The surface of the elastic hook 25 is compressed, and under the guidance of the inclined surface of the guide block 27, the elastic hook 25 deforms near the high end of the bottom inclined surface of the guide block 27, so that the hook-shaped part of the elastic hook 25 can move above the guide block 27. After the hook-shaped part moves above the guide block 27, the elastic hook 25 will return to its original position due to its own deformation and deflection, so that the hook-shaped part abuts against the left side wall of the guide lever 29. Then the gear shaft 22 is released, and the rectangular sliding column 21 returns to its original position under the force of the spring 24, so that the hook-shaped part is guided by the guide lever 29. Moved into the receiving groove 28, the hook-shaped part abuts against the rightmost side wall of the receiving groove 28 under the deformation of the elastic hook 25. At this time, the elastic hook 25 is still in a deformed state, and the hook-shaped part is located in the receiving groove 28 under the action of the spring 24, thereby locking the position of the rotating column 16 and separating the gear 17 and rack 18 corresponding to the rotating column 16. When it is necessary to reset the rotating column 16 to re-mesh the gear 17 and rack 18, press down on the gear shaft 22 again to move the hook-shaped part to the right side wall of the guide lever 29, so that... When the elastic hook 25 loses its obstruction, it deforms and resets. Then, under the action of the spring 24, the rotating column 16 resets upward. The hook-shaped part can smoothly pass through the guide block 27 under the action of the right end inclined surface, so that the hook-shaped part is positioned below the guide block 27 again, causing the rotating column 16 to reset. The gear 17 corresponding to the rotating column 16 re-engages with the rack 18. Thus, only two pressing operations are needed to move the rotating column 16 downward and lock it, and move it upward to reset. This allows for quick and stable control over whether the impact rod 8 participates in the impact test. Example 7

[0043] Based on Example 6, such as Figures 1 to 8As shown, the array-type impact testing device also includes a first linear drive module 30, a second linear drive module 31, a test base 32, a test slide 33, and a test crossbeam 34. The first linear drive module 30 is mounted on the test base 32. A module base plate 35 is mounted on the slide of the first linear drive module 30. The second linear drive module 31 is mounted on the module base plate 35. The test slide 33 is mounted on the slide of the second linear drive module 31. A test cylinder 36 is vertically mounted on the test slide 33. The telescopic shaft of the test cylinder 36 is connected to the test crossbeam 34. A cylinder 38 is vertically mounted on the test crossbeam 34. The telescopic shaft of the cylinder 38 is connected to the top plate 39. The top of the moving plate 7 is fixed with four first connecting rods 37 at each of the four corners. The first connecting rods 37 move through the test crossbeam 34 and connect to the top plate 39. The impact base plate 6 is fixedly connected to the test crossbeam 34 through the second connecting rod 44. The first linear drive module 30 drives the array of impact rods 8 to move along the X-axis direction, and the second linear drive module 31 drives the array of impact rods 8 to move along the Y-axis direction. This allows the relative position of the impact rods 8 and the electrode plates to be adjusted so that the impact rods 8 can accurately correspond to the test area of ​​the electrode plates to complete the strength test. The cylinder 38 drives the top plate 39 to move up and down. The top plate 39 drives the lifting drive plate 7 to move up and down through the first connecting rod 37 to complete the drive of the impact rods 8. Example 8

[0044] Based on Example 7, such as Figures 1 to 8 As shown, the array-type impact testing device also includes a pressure switching mechanism. This mechanism comprises a pressure mounting plate 40, a third linear drive module 41, a fourth linear drive module 42, and a pressure cylinder 43. The pressure mounting plate 40 is fixedly sleeved on the first connecting rod 37 and is located above the lifting drive plate 7. The third linear drive module 41 is mounted on the bottom of the pressure mounting plate 40, and the fourth linear drive module 42 is mounted on the slide of the third linear drive module 41. The moving direction of the third linear drive module 41 is perpendicular to the moving direction of the fourth linear drive module 42. The pressure cylinder 43 is vertically mounted on... On the slide of the fourth linear drive module 42, the rotating column 16 is located on the extension path of the pressing cylinder 43. The pressing cylinder 43 is driven to move along the X-axis by the third linear drive module 41 and along the Y-axis by the fourth linear drive module 42. Thus, the position of the pressing cylinder 43 can be controlled on the horizontal plane. When it is necessary to press the rotating column 16 to engage or disengage the gear 17 and the rack 18, the pressing cylinder 43 moves to the top of the rotating column 16 and extends to press the rotating column 16, thereby completing the automatic engagement or disengagement of the gear 17 and the rack 18.

Claims

1. A battery plate strength testing system characterized by, The utility model provides a multi-angle tooling device and array type impact test device, the multi-angle tooling device includes base, first tooling platform, second tooling platform and tooling side plate, first tooling platform rotates and installs on the base, second tooling platform rotates and installs on first tooling platform, the rotation axis of first tooling platform is perpendicular to the rotation axis of second tooling platform in horizontal plane, the second tooling platform is fixed with right angle positioning piece, both sides of right angle positioning piece correspond and are provided with tooling side plate, and tooling side plate cooperates right angle positioning piece and tooling battery plate on second tooling platform, the array type impact test device includes impact base plate, lifting drive plate and impact lever, a plurality of impact levers are slidably arranged on the impact base plate, a plurality of impact levers are arranged in rectangular array, lifting drive plate is arranged on the upper side of impact base plate, a plurality of drive columns are arranged in rectangular array on lifting drive plate, each drive column is provided with an impact lever, drive column is detachably connected with impact lever, lifting drive plate has the freedom of movement along the vertical direction, The impact lever is fixedly provided with a spring disc, and the impact lever is sleeved with an impact spring, and the two ends of the impact spring are in contact with the spring disc and the impact base plate respectively; The lifting drive plate is provided with a stepped hole at the position of the drive column, the stepped hole is fitted with a bearing, the drive column is rotatably fitted in the inner ring of the bearing, the bottom of the drive column is connected with a butt joint block through a butt joint shaft, the impact lever is provided with a butt joint cavity, the top of the impact lever is provided with a rectangular slot, the rectangular slot is communicated with the butt joint cavity, the butt joint block can be rotated into the butt joint cavity from the rectangular slot, and the length of the butt joint block is greater than the width of the rectangular slot; The top of the drive column is slidably provided with a rotating column, the rotating column is sleeved with a gear, each column of the drive column is provided with a rack, the gear is engaged with the rack, all the racks are connected together through a driving beam, the driving beam is connected with the driving beam through the extension shaft of the driving cylinder, and the rotating column is engaged or separated from the rack through vertical movement; The rotating column includes a rectangular slide column and a gear shaft, the top of the drive column is provided with a vertical slot, the cross section of the vertical slot and the cross section of the rectangular slide column are both rectangular, one end of the rectangular slide column is slidably fitted in the vertical slot, the gear shaft is fixed on the top of the rectangular slide column, the gear is installed on the gear shaft, the vertical slot is provided with a spring, the vertical slot is vertically fixed with an elastic hook, the shape of the elastic hook is 7-shaped, the side of the rectangular slide column close to the elastic hook is provided with a switching slot, the hook-shaped part of the top of the elastic hook is located in the switching slot, the switching slot is fixed with a guide block, the bottom of the guide block is inclined, the top of the guide block is provided with a containing slot, the inner top wall of the switching slot is fixed with a guide lever, the bottom of the guide lever extends into the containing slot, and the left and right ends of the guide block are both guide inclined surfaces; When the elastic hook is below the guide block, the gear is engaged with the rack. When the hook-shaped part abuts against the side wall of the accommodating groove, the elastic hook is in a bending deformation state, and the gear is separated from the rack.

2. A battery plate strength testing system as defined in claim 1 wherein, The array type impact testing device further comprises a first linear drive module, a second linear drive module, a testing base, a testing slide and a testing beam, the first linear drive module is installed on the testing base, a module base is installed on the slide of the first linear drive module, the second linear drive module is installed on the module base, the testing slide is installed on the slide of the second linear drive module, a testing cylinder is vertically installed on the testing slide, the telescopic shaft of the testing cylinder is connected with the testing beam, a cylinder is vertically installed on the testing beam, the telescopic shaft of the cylinder is connected with the top plate, a first connecting rod is fixed at the top of the lifting drive plate, the first connecting rod is movably arranged through the testing beam and connected with the top plate, and the impact base is fixedly connected with the testing beam through a second connecting rod.

3. A battery plate strength testing system as defined in claim 2 wherein, The array type impact testing device further comprises a pressing switch mechanism, the pressing switch mechanism comprises a pressing installation plate, a third linear drive module, a fourth linear drive module and a pressing cylinder, the pressing installation plate is fixedly sleeved on the first connecting rod, the pressing installation plate is located above the lifting drive plate, the third linear drive module is installed at the bottom of the pressing installation plate, the fourth linear drive module is installed on the slide of the third linear drive module, the moving direction of the third linear drive module is perpendicular to the moving direction of the fourth linear drive module, and the pressing cylinder is vertically installed on the slide of the fourth linear drive module.

4. A battery plate strength testing system as defined in claim 1, wherein, The top of the base is provided with a first installation slot, a first main shaft is rotatably arranged in the first installation slot, a first shaft sleeve is fixedly sleeved on the first main shaft, the first tooling platform is fixed on the first shaft sleeve, a first motor is installed on the base, and the output shaft of the first motor is in transmission connection with the first main shaft.

5. A battery plate strength testing system as defined in claim 1, wherein, The top of the first tooling platform is provided with a second installation slot, a second main shaft is rotatably arranged in the second installation slot, a second shaft sleeve is fixedly sleeved on the second main shaft, the second tooling platform is fixed on the second shaft sleeve, a second motor is installed on the second tooling platform, and the output shaft of the second motor is in transmission connection with the second main shaft.

6. A battery plate strength testing system as defined in claim 1, wherein, Each tooling side plate is provided with a tooling cylinder, the telescopic shaft of the tooling cylinder is connected with the tooling side plate, and a pressing tooling block is slidably arranged on the end face of the tooling side plate close to the right-angle positioning piece.

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