A square battery charging and discharging test motion mechanism and application method

Abstract

A square battery charge and discharge test motion mechanism and application method, the motion mechanism includes: a mounting base plate; a voltage regulating drive mechanism, arranged on the mounting plane, including a driving part and a pushing part, for pressurizing or releasing the battery tray mechanism; a battery tray mechanism, arranged on the mounting plane, including a base plate, a block and a plurality of battery trays, for carrying square batteries; and a positive and negative electrode conduction mechanism, arranged on the mounting plane, including a top plate, a probe mechanism and a lifting mechanism, for contacting the positive and negative electrodes of the square battery; the application method includes the following steps: placing the battery tray on the base plate, and after it is in place, the voltage regulating drive mechanism pressurizes the square battery; a CCD camera feeds back the position data of each battery to the electric cylinder assembly to adjust the probe position, and detects the square battery. The beneficial effects of the present invention are: fully automatic, strong compatibility of the battery tray; the test probe can also self-adjust and adapt to different models of batteries.

Description

Technical Field

[0001] The invention relates to a square battery charge and discharge test motion mechanism and an application method, belonging to the field of square battery testing. Background Art

[0002] The square battery is one of the battery models. In the square battery, the positive and negative electrodes are located at the two ends of the top surface of the square battery. When the battery model is different, the distance between the positive and negative electrodes will change accordingly. Therefore, in the charge and discharge test, when the battery model is changed, the test probe needs to be replaced accordingly. In the previous charge and discharge tests, the test probe is fixed and requires a designated charge and discharge equipment to match the corresponding battery model. Therefore, in the actual production process, there will be a certain waste of resources in the battery testing equipment. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a fully automatic capacity separation motion mechanism, the battery tray of the capacity separation motion mechanism has strong compatibility and can be compatible with different types of batteries; at the same time, the test probe can also self-adjust and adapt to different types of batteries.

[0004] The square battery charging and discharging test motion mechanism of the present invention is characterized by comprising

[0005] An installation base plate is provided with an installation plane on the surface for supporting a voltage regulating drive mechanism and a battery tray mechanism of a square battery charging and discharging test motion mechanism;

[0006] The voltage regulating driving mechanism is arranged on the mounting plane, and comprises a driving part and a pushing part, wherein the driving part is fixed on the mounting plane, and the driving end of the driving part is aligned with the battery tray mechanism, and is extended and retracted in a direction parallel to the mounting plane, so as to drive the pushing part to move; the pushing part is installed at the driving end of the driving part, and is used to pressurize or release the battery tray mechanism;

[0007] The battery tray mechanism is arranged on the mounting plane, and comprises a bottom plate, a block, and a plurality of battery trays arranged side by side. The bottom plate is mounted on the mounting plane and is arranged on two sides opposite to the mounting plane with respect to the voltage regulating drive mechanism. The battery trays are arranged side by side on the bottom plate, and their ends are limited by the block to prevent the battery trays from moving relative to the bottom plate. The battery tray is provided with a plurality of battery grids in sequence along its axial direction for carrying square batteries. A movable part is provided on one side of the battery tray facing the pushing part of the voltage regulating drive mechanism for adjusting the size of the battery grid to match square batteries of different models.

[0008] And a positive and negative electrode conduction mechanism, which is arranged on the installation plane, including a top plate, a probe mechanism and a lifting mechanism. The top plate is suspended above the battery tray mechanism through the lifting mechanism and is used to install the probe mechanism; the probe mechanism is arranged on the inner end surface of the top plate, and a plurality of sets of probe components are provided on the side of the probe mechanism facing the battery tray, which are used to contact and connect with the positive and negative electrodes of the square battery; the lifting mechanism is arranged on the side of the battery tray mechanism, and its lifting end is connected to the top plate, which is used to drive the top plate and the probe mechanism to rise and fall so as to adjust the distance between the probe component and the positive and negative electrodes of the square battery.

[0009] Furthermore, a plurality of hollow structures are arranged on the installation bottom plate and the top plate.

[0010] Furthermore, the driving part of the voltage regulating drive mechanism is a reducer, and the pushing part includes a pressure plate and at least one clamping shaft, wherein the reducer is arranged in a direction parallel to the installation plane, and the driving end of the reducer is fixedly mounted on the pressure plate; one end of the clamping shaft is fixedly mounted on the outer end surface of the pressure plate, and the other end is aligned with the battery tray mechanism.

[0011] Furthermore, the battery tray includes a tray bottom plate, front and rear baffles, front and rear pushing blocks as movable parts, a battery partition and a battery partition guide shaft. The front and rear baffles are respectively arranged at the two ends of the tray bottom plate, and a battery partition guide shaft is arranged between the front and rear baffles; the front and rear baffles are provided with clamping holes for the end of the clamping shaft of the voltage regulating drive mechanism to pass through; the battery partitions are arranged side by side on the battery partition guide shaft, and battery blocks are left between adjacent battery partitions; adjacent battery partitions are connected to each other through linkage parts; front and rear pushing blocks that can cover the clamping holes are fixed on the outermost battery partition, so that the end of the clamping shaft passes through the clamping hole and pushes the front and rear pushing blocks to slide axially along the battery partition guide shaft.

[0012] Furthermore, the probe mechanism includes several sets of probe components, air ducts and CCD cameras. The probe components are arranged side by side on the inner end surface of the top plate and correspond one-to-one to the battery tray directly below, and air duct installation areas are reserved on both sides of the probe components; the air ducts are arranged in the air duct installation areas on both sides of the probe components, and several fans are provided in the air ducts for dissipating heat from the probe components; the CCD camera is arranged on the inner end surface of the top plate, and is used to locate the battery to guide the probe to make precise contact with the positive and negative poles of the square battery.

[0013] Furthermore, the probe component includes a vertical plate, a guide rail mounting plate, an electric cylinder assembly, a probe sliding assembly and a probe assembly; the mounting vertical plate is arranged on the four sides of the probe mounting plate, and the guide rail mounting plate is connected and installed on the top plate; the guide rail mounting plate is used to support and install other components of the probe component; the electric cylinder assembly is a power component, which is installed on the probe mounting plate, and its output end is equipped with a probe sliding assembly for adjusting the position of the probe; the probe sliding assembly is connected between the electric cylinder assembly and the probe assembly, and is used to drive the probe assembly to move; the probe assembly is arranged on the probe sliding assembly, and one end of the detection probe of the probe assembly is used as a connection end to be electrically connected to an external detection device through a wire, and the other end is used as a detection end to align with the battery tray for contacting the positive and negative poles of the square battery.

[0014] Furthermore, one set of the electric cylinder assembly is connected to multiple sets of the probe sliding assemblies; and one probe sliding assembly is connected to multiple sets of the probe assemblies.

[0015] Furthermore, the lifting mechanism includes a lifting cylinder and a vertical guide shaft. The lifting cylinder is a power component, which is vertically installed on the mounting base plate. Its lifting end is fixedly connected to the top plate and is used to drive the top plate to lift and lower. The guide shaft is arranged along the lifting direction of the lifting cylinder, and the lower end of the guide shaft is fixedly mounted on the mounting base plate, and the upper end passes through the corresponding guide hole of the top plate, which is used to guide the lifting and lowering of the probe mechanism.

[0016] An application method of the square battery charge and discharge test motion mechanism according to the present invention is characterized by comprising the following steps:

[0017] 1) Place a battery tray with square batteries on the bottom plate of the battery tray mechanism, the bottom plate of the battery tray mechanism supports it, and the block limits it. When the battery tray is in place, the voltage regulating drive mechanism starts to work;

[0018] 2) The reducer of the voltage regulating drive mechanism performs a power action to push the clamping shaft to move. When the clamping shaft of the motor mechanism cooperates with the clamping holes of the front and rear baffles of the battery tray, the front and rear push blocks are pushed to move, thereby pressurizing the square battery;

[0019] 3) After the square battery is pressurized, the distance between the batteries changes, and the position data of each battery is obtained by the CCD camera;

[0020] 4) Feedback the position data to the electric cylinder assembly, and the electric cylinder assembly adjusts the position of the probe sliding assembly according to the position data, thereby driving the position adjustment of the probe assembly, and finally achieving the position adjustment of the battery test probe to match the positive and negative pole positions of the square battery;

[0021] 5) When the position of the detection probe of the probe assembly is adjusted to be just above the positive and negative electrodes of the square battery, the lifting mechanism is activated to drive the probe mechanism to press down, so that the test probe contacts the positive and negative electrodes of the square battery, thereby detecting the square battery and recording the detection results;

[0022] 6) After the test is completed, the probe mechanism and the voltage regulating drive mechanism return to their initial state, and then the battery tray can be removed.

[0023] The beneficial effects of the present invention are embodied in the following aspects: first, it solves the problem of matching the battery tray with the battery model, and can make it compatible with different types of batteries by replacing the battery separator; second, it solves the problem of test probe self-adaptation, and the test probe can automatically adjust and adapt according to the changes in battery position and model, thereby achieving compatibility of the test probe with different types of batteries; third, the capacity division movement mechanism is fully automatic, reducing manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of the present invention;

[0025] Figure 2 is the front view of the motion mechanism;

[0026] Figure 3 is a top view of the motion mechanism;

[0027] Figure 4 is the left side view of the motion mechanism;

[0028] Figure 5 It is a structural diagram of the battery tray mechanism;

[0029] Figure 6 It is the front view of the battery tray mechanism;

[0030] Figure 7 is a structural diagram of the probe mechanism;

[0031] Figure 8 is the front view of the probe mechanism;

[0032] Fig. 9 is a side view structural diagram of the probe component;

[0033] Fig.10 It is a top view structural diagram of the probe component;

[0034] Fig.11 is a front view of the probe assembly;

[0035] Fig.12 It is the left side view of the probe assembly. DETAILED DESCRIPTION

[0036] The present invention is further described below in conjunction with the accompanying drawings.

[0037] Refer to the attached figure:

[0038] Embodiment 1 A square battery charging and discharging test motion mechanism according to the present invention comprises:

[0039] Install the bottom plate 1, the surface of which is provided with a mounting plane for supporting the voltage regulating drive mechanism and the battery tray mechanism of the square battery charging and discharging test motion mechanism;

[0040] The voltage regulating driving mechanism 3 is arranged on the mounting plane, and comprises a driving part and a pushing part, wherein the driving part is fixed on the mounting plane, and the driving end of the driving part is aligned with the battery tray mechanism, and is extended and retracted in a direction parallel to the mounting plane, so as to drive the pushing part to move; the pushing part is installed at the driving end of the driving part, and is used to pressurize or release the battery tray mechanism;

[0041] The battery tray mechanism 4 is arranged on the installation plane, and includes a bottom plate 41, a block 42, and a plurality of battery trays 43 arranged side by side. The bottom plate is installed on the installation plane and is arranged on two sides opposite to the installation plane with the voltage regulating drive mechanism; the battery trays are arranged side by side on the bottom plate, and their ends are limited by the block to prevent the battery trays and the bottom plate from moving relative to each other; the battery tray is provided with a plurality of battery grids in sequence along its axial direction for carrying square batteries; a movable part is provided on the side of the battery tray facing the pushing part of the voltage regulating drive mechanism for adjusting the size of the battery grid to match square batteries of different models;

[0042] And a positive and negative electrode conduction mechanism, which is arranged on the installation plane, includes a top plate 2, a probe mechanism 5 and a lifting mechanism 6. The top plate 2 is suspended above the battery tray mechanism 4 by the lifting mechanism 6 for installing the probe mechanism 5; the probe mechanism 5 is arranged on the inner end surface of the top plate 2, and a plurality of sets of probe components 51 are provided on the side of the probe mechanism 5 facing the battery tray, which are used to contact and connect with the positive and negative electrodes of the square battery; the lifting mechanism 6 is arranged on the side of the battery tray mechanism 4, and its lifting end is connected to the top plate 2, which is used to drive the top plate and the probe mechanism to rise and fall so as to adjust the distance between the probe component and the positive and negative electrodes of the square battery.

[0043] Furthermore, a plurality of hollow structures are arranged on the installation base plate 1 and the top plate 2.

[0044] Furthermore, the driving part of the voltage regulating drive mechanism 3 is a reducer 31, and the pushing part includes a pressure plate 32 and at least one clamping shaft 33, wherein the reducer is arranged in a direction parallel to the installation plane, and the driving end of the reducer is fixedly mounted on the pressure plate; one end of the clamping shaft is fixedly mounted on the outer end surface of the pressure plate, and the other end is aligned with the battery tray mechanism.

[0045] Furthermore, the battery tray 43 includes a tray bottom plate 431, front and rear baffles 432, front and rear pushing blocks 433 as movable parts, a battery partition 434 and a battery partition guide shaft 435. The front and rear baffles are respectively arranged at both ends of the tray bottom plate, and a battery partition guide shaft is arranged between the front and rear baffles; the front and rear baffles are provided with clamping holes, and the clamping holes are consistent with the position and number of the clamping shaft on the same side, and are used for the end of the clamping shaft of the voltage regulating drive mechanism to pass through; the battery partitions are arranged side by side on the battery partition guide shaft, and battery blocks are left between adjacent battery partitions; adjacent battery partitions are connected to each other through linkage parts; front and rear pushing blocks that can cover the clamping holes are fixed on the outermost battery partition, so that the end of the clamping shaft pushes the front and rear pushing blocks to slide axially along the battery partition guide shaft after passing through the clamping hole.

[0046] Furthermore, the probe mechanism 5 includes several sets of probe components 51, air ducts 52 and CCD cameras 53. The probe components are arranged side by side on the inner end surface of the top plate and correspond one-to-one to the battery trays directly below, and air duct installation areas are reserved on both sides of the probe components; the air ducts are arranged in the air duct installation areas on both sides of the probe components, and several fans are provided in the air ducts for dissipating heat from the probe components; the CCD camera is arranged on the inner end surface of the top plate, and is used to locate the battery to guide the probe to make precise contact with the positive and negative poles of the square battery.

[0047] Furthermore, the probe component 51 includes a vertical plate 511, a guide rail mounting plate 512, an electric cylinder assembly 513, a probe sliding assembly 514 and a probe assembly 515; the electric cylinder assembly is a power component, which is installed on the probe mounting plate, and its output end is equipped with a probe sliding assembly for adjusting the position of the probe; the probe sliding assembly is connected between the electric cylinder assembly and the probe assembly to drive the probe assembly to move; the probe assembly is arranged on the probe sliding assembly, and one end of the detection probe of the probe assembly serves as a connecting end and is electrically connected to an external detection device through a wire, and the other end serves as a detection end to align with the battery tray for contacting the positive and negative poles of the square battery.

[0048] Furthermore, one set of the electric cylinder assembly 513 is connected to multiple sets of the probe sliding assemblies 514 ; and one probe sliding assembly is connected to multiple sets of the probe assemblies 515 .

[0049] Furthermore, the lifting mechanism 6 includes a lifting cylinder 61 and a vertical guide shaft 62. The lifting cylinder is a power component, which is vertically installed on the mounting base plate. Its lifting end is fixedly connected to the top plate and is used to drive the top plate to lift and lower. The guide shaft is arranged along the lifting direction of the lifting cylinder, and the lower end of the guide shaft is fixedly installed on the mounting base plate, and the upper end passes through the corresponding guide hole 21 of the top plate 2, which is used to guide the lifting and lowering of the probe mechanism.

[0050] Embodiment 2 The square battery charge and discharge test motion mechanism of the present invention comprises a mounting base plate 1 for support, a voltage regulating drive mechanism 3 for pressurizing and releasing the battery tray mechanism, a battery tray mechanism 4 for carrying square batteries, and a positive and negative electrode conduction mechanism for contacting the positive and negative electrodes of the square battery, wherein the positive and negative electrode conduction mechanism comprises a top plate 2 for mounting and supporting the probe mechanism, a probe mechanism 5 for contacting the positive and negative electrodes of the square battery, and a lifting mechanism 6 for driving the mounting top plate and the probe mechanism to perform lifting and lowering movements, wherein:

[0051] The mounting bottom plate and the mounting top plate may be aluminum plates or steel plates, and a hollow structure may be provided on the surface thereof for heat dissipation and weight reduction;

[0052] A mounting plane is arranged on the surface of the mounting base plate 1, the voltage regulating drive mechanism 3 is arranged on one side of the mounting plane, and the battery tray mechanism 4 is arranged on the other side; the probe mechanism 5 is arranged directly above the battery tray mechanism 4; the top plate 2 is arranged directly above the probe mechanism 5, for installing and supporting the probe mechanism 5; the lifting mechanism 6 is arranged between the mounting base plate 1 and the top plate 2, for driving the mounting top plate 2 and the probe mechanism 5 to perform lifting movements.

[0053] There are three groups of the voltage-regulating drive mechanism 3, and the three groups of voltage-regulating drive mechanisms 3 are arranged side by side on the installation plane, for providing pressurization and pressure release; the voltage-regulating drive mechanism 3 is composed of components such as a reducer 31, a pressure plate 32 and a clamping shaft 33; the reducer 31 is a power component, connected to the pressure plate 32; the pressure plate 32 is connected between the reducer 31 and the clamping shaft 33, and is connected to the telescopic end of the reducer 31; the clamping shaft 33, a total of six, one end of which is installed on the pressure plate 32, and the other end is aligned with the clamping holes on the front and rear baffles, for pressurizing and clamping the battery tray mechanism 4.

[0054] The battery tray mechanism 4 includes a base plate 41, a block 42 and three groups of battery trays 43, wherein the three groups of battery trays can be composed of battery trays arranged side by side for carrying square batteries; the base plate 41 is used to support the battery tray 43 and is installed and fixed on the mounting base plate 1; the block 42 is arranged on the base plate for limiting the battery tray 43; the battery tray 43 is used to hold square batteries.

[0055] The battery tray 43 is composed of a tray bottom plate 431, front and rear baffles 432, front and rear pushing blocks 433, a battery partition 434 and a battery partition guide shaft 435; the tray bottom plate 431 and the front and rear baffles 432 form a battery tray frame structure, the front and rear baffles are provided with clamping holes, the clamping holes are consistent with the position and number of the clamping shafts on the same side, the front and rear pushing blocks 433 are located between the front and rear baffles 432; the battery partition 434 is arranged between the front and rear pushing blocks 433, and the outermost battery partition 434 is connected to the corresponding front and rear pushing blocks 433; there are four battery partition guide shafts 435, which are arranged between the front and rear baffles 432 to guide the battery partition 434.

[0056] There are twenty-five battery separators 434 arranged in parallel with each other. The battery separators 434 are provided with through holes for the battery separator guide shafts 435 to pass through. Adjacent battery separators 434 are interconnected and have battery barriers for separating twenty-four square batteries. The battery separators 434 can be replaced according to the battery model to match the battery size.

[0057] The front and rear baffles 432 are provided with six clamping holes 4321 , which are located opposite to the six clamping shafts 33 .

[0058] The probe mechanism 5 is used to contact the positive and negative electrodes of the square battery; the probe mechanism 5 is composed of three sets of probe components 51, an air duct 52 and a CCD camera 53; the probe component 51 is a core component, which is arranged side by side on the inner end surface of the top plate, and air duct installation areas are left on both sides of the probe component 51; the air duct 52 is arranged in the air duct installation areas on both sides of the probe component 51, and three sets of fans are arranged in the air duct 52 for dissipating the heat of the probe component 51; the CCD camera 53 is arranged on the inner end surface of the top plate, and is used to guide and position the probe to make accurate contact with the positive and negative electrodes of the square battery.

[0059] The probe component 51 is composed of components such as a mounting vertical plate 511, a guide rail mounting plate 512, an electric cylinder assembly 513, a probe sliding assembly 514 and a probe assembly 515; the mounting vertical plate 511 is arranged on the four sides of the probe mounting plate 511, and the guide rail mounting plate 512 is connected and installed on the top plate 2; the guide rail mounting plate 512 is used to support and install other components of the probe component 51; the electric cylinder assembly 513 is a power component, which is installed on the probe mounting plate 512 and is used to adjust the position of the probe; the probe sliding assembly 514 is connected between the electric cylinder assembly 513 and the probe assembly 515. Under the action of the electric cylinder assembly 513, the probe sliding assembly 514 drives the probe assembly 515 to move, thereby driving the position of the detection probe to move.

[0060] There are eight electric cylinder assemblies 513 , which are connected to eight probe sliding assemblies 514 one by one; one probe sliding assembly 514 is connected to three probe assemblies 515 .

[0061] The lifting mechanism 6 includes components such as a lifting cylinder 61 and a vertical guide shaft 62 . The lifting cylinder 61 is a power component. There are four vertical guide shafts 62 for guiding the probe mechanism 5 to rise and fall.

[0062] Embodiment 3 An application method of the square battery charge and discharge test motion mechanism according to the present invention comprises the following steps:

[0063] 1) A battery tray 43 containing 72 square batteries is placed on the bottom plate of the battery tray mechanism 4. The bottom plate 41 of the battery tray mechanism 4 supports the battery tray and the stopper 42 limits the battery tray. When the battery tray 43 is in place, the voltage regulating drive mechanism 3 starts to operate.

[0064] 2) The reducer 31 of the voltage-adjusting driving mechanism 3 performs a power action to push the clamping shaft 33 to move. When the clamping shaft 33 of the voltage-adjusting driving mechanism 3 cooperates with the clamping holes 4321 of the front and rear baffles 432 of the battery tray 43, the front and rear push blocks 433 are pushed to move, thereby pressurizing the square battery;

[0065] 3) After the square battery is pressurized, the distance between the batteries changes, and the position data of each battery is obtained by the CCD camera 53;

[0066] 4) Feedback the position data to the electric cylinder assembly 513, and the electric cylinder assembly 513 adjusts the position of the probe sliding assembly 514 according to the position data, thereby driving the position adjustment of the probe assembly 515, and finally achieving the position adjustment of the battery test probe to match the positive and negative pole positions of the square battery;

[0067] 5) When the position of the detection probe of the probe assembly is adjusted to be just above the positive and negative electrodes of the square battery, the lifting mechanism 6 is actuated to drive the probe mechanism 5 to press down, so that the test probe contacts the positive and negative electrodes of the square battery, thereby detecting the square battery and recording the detection results;

[0068] 6) After the test is completed, the probe mechanism and the voltage regulating drive mechanism return to their initial state, and then the battery tray can be removed.

[0069] The contents described in the embodiments of this specification are merely an enumeration of implementation forms of the inventive concept. The protection scope of the present invention should not be regarded as limited to the specific forms described in the embodiments. The protection scope of the present invention also includes equivalent technical means that can be thought of by those skilled in the art based on the inventive concept.

Claims

1. A square battery charging and discharging test motion mechanism, characterized in that: include: An installation base plate is provided with an installation plane on the surface for supporting a voltage regulating drive mechanism and a battery tray mechanism of a square battery charging and discharging test motion mechanism; The voltage regulating driving mechanism is arranged on the mounting plane, and comprises a driving part and a pushing part, wherein the driving part is fixed on the mounting plane, and the driving end of the driving part is aligned with the battery tray mechanism, and is extended and retracted in a direction parallel to the mounting plane, so as to drive the pushing part to move; the pushing part is installed at the driving end of the driving part, and is used to pressurize or release the battery tray mechanism; The battery tray mechanism is arranged on the mounting plane, and comprises a bottom plate, a block, and a plurality of battery trays arranged side by side. The bottom plate is mounted on the mounting plane and is arranged on two sides opposite to the mounting plane with respect to the voltage regulating drive mechanism. The battery trays are arranged side by side on the bottom plate, and their ends are limited by the block to prevent the battery trays from moving relative to the bottom plate. The battery tray is provided with a plurality of battery grids in sequence along its axial direction for carrying square batteries. A movable part is provided on one side of the battery tray facing the pushing part of the voltage regulating drive mechanism for adjusting the size of the battery grid to match square batteries of different models. And a positive and negative electrode conduction mechanism, which is arranged on the installation plane, includes a top plate, a probe mechanism and a lifting mechanism, wherein the top plate is suspended above the battery tray mechanism by the lifting mechanism, and is used to install the probe mechanism; the probe mechanism is arranged on the inner end surface of the top plate, and a plurality of sets of probe components are arranged on the side of the probe mechanism facing the battery tray, which are used to contact and connect with the positive and negative electrodes of the square battery; the lifting mechanism is arranged on the side of the battery tray mechanism, and its lifting end is connected to the top plate, and is used to drive the top plate and the probe mechanism to lift and lower to adjust the distance between the probe component and the positive and negative electrodes of the square battery; The driving part of the voltage regulating driving mechanism is a reducer, and the pushing part includes a pressure plate and at least one clamping shaft, wherein the reducer is arranged in a direction parallel to the mounting plane, and the driving end of the reducer is installed with the pressure plate for driving the pressure plate to move; one end of the clamping shaft is fixed on the outer end surface of the pressure plate, and the other end is aligned with the battery tray mechanism; The battery tray comprises a tray bottom plate, front and rear baffles, front and rear push blocks as movable parts, a battery separator and a battery separator guide shaft. The front and rear baffles are respectively arranged at the two ends of the tray bottom plate, and a battery separator guide shaft is arranged between the front and rear baffles; the front and rear baffles are provided with clamping holes, and the position and number of the clamping holes are consistent with the clamping shaft on the same side, and are used for the end of the clamping shaft of the voltage regulating drive mechanism to pass through; the battery separators are arranged side by side on the battery separator guide shaft, and battery blocks are left between adjacent battery separators; adjacent battery separators are connected to each other through linkage parts; front and rear push blocks that can cover the clamping holes are fixed on the outermost battery separator, so that the end of the clamping shaft passes through the clamping hole and pushes the front and rear push blocks to slide axially along the battery separator guide shaft; The probe mechanism includes several sets of probe components, air ducts and CCD cameras. The probe components are arranged side by side on the inner end surface of the top plate and correspond one-to-one with the battery tray directly below, and air duct installation areas are reserved on both sides of the probe components; the air ducts are arranged in the air duct installation areas on both sides of the probe components, and several fans are arranged in the air ducts for dissipating heat for the probe components; the CCD camera is arranged on the inner end surface of the top plate, and is used to locate the position of the battery to guide the probe to make precise contact with the positive and negative poles of the square battery; The probe component includes a vertical plate, a guide rail mounting plate, an electric cylinder assembly, a probe sliding assembly and a probe assembly; the vertical plate is arranged on the four sides of the guide rail mounting plate, and the guide rail mounting plate is connected and installed on the top plate; the guide rail mounting plate is used to support and install other components of the probe component; the electric cylinder assembly is a power component, which is installed on the guide rail mounting plate, and its output end is equipped with a probe sliding assembly for adjusting the position of the probe; the probe sliding assembly is connected between the electric cylinder assembly and the probe assembly, and is used to drive the probe assembly to move; the probe assembly is arranged on the probe sliding assembly, and one end of the detection probe of the probe assembly is used as a connection end to be electrically connected to an external detection device through a wire, and the other end is used as a detection end to align with the battery tray for contacting the positive and negative poles of the square battery.

2. A square battery charge and discharge test motion mechanism as claimed in claim 1, characterized in that: A plurality of hollow structures are arranged on the installation bottom plate and the top plate.

3. A square battery charge and discharge test motion mechanism as claimed in claim 1, characterized in that: One set of the electric cylinder assembly is connected to multiple sets of the probe sliding assemblies; one probe sliding assembly is connected to multiple sets of the probe assemblies.

4. A square battery charge and discharge test motion mechanism as claimed in claim 1 or 3, characterized in that: The lifting mechanism includes a lifting cylinder and a vertical guide shaft. The lifting cylinder is a power component, which is vertically installed on the mounting base plate. Its lifting end is fixedly connected to the top plate and is used to drive the top plate to lift and lower. The guide shaft is arranged along the lifting direction of the lifting cylinder, and the lower end of the guide shaft is fixedly mounted on the mounting base plate, and the upper end passes through the corresponding guide hole of the top plate, which is used to guide the lifting and lowering of the probe mechanism.

5. An application method of the square battery charge and discharge test motion mechanism as claimed in claim 1, characterized in that: The following steps are involved: 1) Place the battery tray with square batteries on the bottom plate of the battery tray mechanism. The bottom plate of the battery tray mechanism supports it and the block limits it. When the battery tray is in place, the voltage regulating drive mechanism starts to work; 2) The reducer of the voltage regulating drive mechanism performs a power action to push the clamping shaft to move. When the clamping shaft cooperates with the clamping holes of the front and rear baffles of the battery tray, the front and rear push blocks are pushed to move, thereby pressurizing the square battery; 3) After the square battery is pressurized, the spacing between the batteries changes, and the position data of each battery is obtained by the CCD camera; 4) Feedback the position data to the electric cylinder assembly, and the electric cylinder assembly adjusts the position of the probe sliding assembly according to the position data, thereby driving the position adjustment of the probe assembly, and finally achieving the position adjustment of the battery test probe to match the positive and negative pole positions of the square battery; 5) When the position of the detection probe of the probe assembly is adjusted to be just above the positive and negative electrodes of the square battery, the lifting mechanism is actuated to drive the probe mechanism to press down, so that the test probe contacts the positive and negative electrodes of the square battery, thereby detecting the square battery and recording the detection results; 6) After the test is completed, the probe mechanism and the voltage regulating drive mechanism return to their initial state, and then the battery tray can be removed.

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