Flexible OCV testing mechanism

Abstract

The utility model relates to the technical field of battery production, and discloses a flexible OCV testing mechanism which comprises an OCV shifting assembly, a battery cell positioning mechanism, a lifting assembly, a probe testing mechanism and a testing battery cell clamped in the battery cell positioning mechanism, the lifting assembly and the probe testing mechanism are both located on the upper side of the OCV shifting assembly, and the probe testing mechanism is located on the lower side of the OCV shifting assembly. The probe testing mechanism is located above the battery cell positioning mechanism and located on the inner side of the lifting assembly. According to the flexible OCV testing mechanism, the OCV shifting assembly drives the lifting assembly and the probe testing mechanism to move, the lifting assembly can drive the probe testing mechanism to move up and down, and the positive and negative tooth transmission lead screw transmits power to the OCV testing probe fixing seat. The distances between OCV test probe fixing seats of a first OCV test probe set, a second OCV test probe set, a third OCV test probe set and a fourth OCV test probe set in the probe test mechanism are synchronously increased or decreased, detection of different types of test cells can be achieved, design is reasonable, and operation is easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production technical field, concretely is a kind of flexible OCV testing mechanism. BACKGROUND

[0002] OCV testing device is mainly used to measure the open-circuit voltage of battery and other electrochemical devices, and it is an important tool in battery detection field, and in structure, it contains high-precision voltage measurement unit, like digital voltmeter can accurately obtain voltage data, electrode connecting part is used to stably connect with battery positive and negative pole, ensure that measurement passage is smooth, usually adopt the material with good conductivity and small contact resistance to make, there is also data acquisition and processing system, responsible for collecting voltage signal, and converting into digital signal storage, facilitate subsequent analysis, in addition, test fixture and sample support can fix battery, adapt to battery of different shapes and sizes, working principle is that after the device is connected with battery electrode, since external circuit is open circuit without current, battery internal chemical balance, the measured two-pole potential difference is open-circuit voltage at this time, in application, in battery research and development, researchers can understand battery characteristics, optimize material combination, in production link, unqualified battery can be screened out, ensure product quality, for energy storage system, battery state can be monitored, problems are found in advance, guarantee system safe and stable operation.

[0003] However, the test cell OCV in the existing battery module production line is all fixed test mechanism purchased, the horizontal position of OCV testing mechanism cannot be adjusted, the height of OCV testing mechanism cannot be adjusted, and the spacing between OCV test probe fixed seat cannot be adjusted, different size battery module OCV test cannot be compatible, and practicality is poor. SUMMARY

[0004] The utility model solves the technical problem that a flexible OCV testing mechanism is provided, which can effectively solve the problems in the prior art.

[0005] The technical scheme adopted by the utility model is as follows: a flexible OCV testing mechanism, including OCV shift assembly, electric core positioning mechanism, lifting assembly, probe testing mechanism and test cell clamped in the electric core positioning mechanism, the lifting assembly and the probe testing mechanism are located on the upper side of the OCV shift assembly, the probe testing mechanism is located above the electric core positioning mechanism, and the probe testing mechanism is located on the inner side of the lifting assembly.

[0006] Preferably, the OCV shifting assembly comprises an OCV shifting mechanism adjusting motor, an OCV shifting synchronous wheel I is drivingly installed on the output shaft of the OCV shifting mechanism adjusting motor, an OCV shifting mechanism transmission shaft is arranged outside the OCV shifting mechanism adjusting motor, an OCV shifting synchronous wheel II is arranged outside the OCV shifting mechanism transmission shaft, an OCV shifting synchronous belt is arranged between the OCV shifting synchronous wheel I and the OCV shifting synchronous wheel II, OCV shifting mechanism transmission gears I are fixedly installed at both ends of the OCV shifting mechanism transmission shaft, an OCV bottom plate is arranged at the lower side of both ends of the OCV shifting mechanism transmission shaft, a lead screw fixing seat and a guide rail are fixedly installed at the upper end of the OCV bottom plate, an OCV transmission lead screw is rotatably installed outside the lead screw fixing seat, an OCV shifting mechanism transmission gear II is fixedly installed at one end of the OCV transmission lead screw close to the OCV shifting mechanism transmission shaft, an OCV nut is threadedly connected outside the OCV transmission lead screw, a sliding block is slidingly installed at the upper portion of the guide rail, the OCV transmission lead screw and the OCV nut are provided with two groups of the same, one group of the OCV transmission lead screw and the OCV nut is right-handed, and the other group of the OCV transmission lead screw and the OCV nut is left-handed.

[0007] Through the technical scheme, the OCV shifting mechanism adjusting motor drives the OCV shifting synchronous wheel II to rotate forward or reversely through the OCV shifting synchronous wheel I and the OCV shifting synchronous belt, the OCV shifting synchronous wheel II drives the OCV shifting mechanism transmission shaft to rotate, the OCV shifting mechanism transmission shaft drives the OCV transmission lead screw to rotate through the OCV shifting mechanism transmission gear I and the OCV shifting mechanism transmission gear II, the OCV transmission lead screw transmits power to the OCV shifting mechanism transmission gear II, the OCV shifting mechanism transmission gear II and the OCV nut transmit power to the lifting assembly, and the front and back position adjustment of the lifting assembly and the probe testing mechanism is realized.

[0008] Preferably, the battery cell positioning mechanism comprises a battery cell placing rack, the battery cell placing rack is arranged below the probe testing mechanism, a clamping jaw cylinder is fixedly installed at the inner side of the battery cell placing rack, a clamping jaw rod is fixedly installed at the movable end of the clamping jaw cylinder, clamping jaw fingers are fixedly installed at the inner side of the clamping jaw rod, and a test battery cell is placed at the upper side of the battery cell placing rack.

[0009] Through the technical scheme, the clamping jaw cylinder drives two identical clamping jaw rods and clamping jaw fingers to move relatively, the clamping jaw fingers moving relatively can clamp the test battery cell, and it is ensured that the test battery cell does not shift during detection.

[0010] Preferably, the lifting assembly comprises a test probe mechanism swing motor, and the two sides of the OCV displacement mechanism transmission shaft are provided with lifting mechanism bases and movable boxes, and a cylindrical rack and a lifting mechanism guide light shaft are arranged between the lifting mechanism bases and the movable boxes; the outer side of the movable box at one end of the OCV displacement mechanism transmission shaft is fixedly installed with the test probe mechanism swing motor, and the outer side of the movable box at the other end of the OCV displacement mechanism transmission shaft is fixedly installed with a lifting control motor; the top end of the lifting control motor is fixedly installed with an OCV probe spacing adjustment motor; the outer side of the movable box is fixedly installed with a test probe mechanism fixed seat; the outer side of the test probe mechanism fixed seat is fixedly installed with a lower limit position photoelectric sensor and an upper limit position photoelectric sensor; the outer side of the lifting control motor is drivingly installed with a lifting transmission shaft through a shaft coupling; and the two ends of the lifting transmission shaft are fixedly installed with lifting gears.

[0011] Through the above technical scheme, when in use, the output shaft of the lifting control motor drives the lifting transmission shaft to rotate, the lifting transmission shaft drives the lifting gears at the two ends to rotate, the lifting gears and the cylindrical rack are matched with each other, the movable box can move up and down, and the lifting mechanism guide light shaft guides the movable box during the up-and-down movement of the movable box; meanwhile, the movable box can also drive the lower limit position photoelectric sensor and the upper limit position photoelectric sensor to move up and down through the test probe mechanism fixed seat, and the lower limit position photoelectric sensor and the upper limit position photoelectric sensor can detect the height of the test battery, thereby preventing the flexible OCV test mechanism from being damaged due to the wrong replacement.

[0012] Preferably, the probe test mechanism comprises a test probe mechanism fixed shaft, the outer side of the test probe mechanism fixed shaft is provided with a test probe mechanism swing shaft coupling, the outer side of the test probe mechanism fixed shaft is fixedly installed with an OCV test probe group one, an OCV test probe group two, an OCV test probe group three and an OCV test probe group four, a hollow transmission shaft is sleeved and installed at the end of the test probe mechanism fixed shaft away from the test probe mechanism swing shaft coupling, the outer side of the hollow transmission shaft is fixedly installed with a synchronous pulley one and a synchronous pulley two, the outer sides of the OCV test probe group one, the OCV test probe group two, the OCV test probe group three and the OCV test probe group four are provided with a probe fixed block guide light shaft, a positive and negative tooth transmission screw rod and an OCV test probe fixed seat, the outer side of the positive and negative tooth transmission screw rod is provided with a positive and negative tooth screw rod shaft coupling, the end portion of the positive and negative tooth transmission screw rod on the outer side of the OCV test probe group four is fixedly installed with a positive and negative tooth screw rod synchronous wheel, a transmission synchronous belt one is arranged between the positive and negative tooth screw rod synchronous wheel and the synchronous pulley one, a transmission synchronous wheel is fixedly installed on the outer side of the OCV probe spacing adjustment motor, and a transmission synchronous belt two is arranged between the transmission synchronous wheel and the synchronous pulley two.

[0013] Through the technical scheme, when in use, the OCV probe spacing adjusting motor drives the hollow transmission shaft to rotate through the transmission synchronous wheel two, the transmission synchronous belt two and the synchronous pulley two, the hollow transmission shaft drives the positive and negative toothed rod synchronous wheel to rotate through the synchronous pulley one and the transmission synchronous belt one, the positive and negative toothed rod synchronous wheel drives the positive and negative toothed transmission rod to rotate, the positive and negative toothed transmission rod transmits power to the OCV test probe fixing seat, the OCV test probe group one, the OCV test probe group two, the OCV test probe group three and the OCV test probe group four realize the detection of different types of test batteries by synchronously increasing or decreasing the spacing of the OCV test probe fixing seat, and the test probe mechanism swing motor can transmit power to the test probe mechanism fixing shaft through the test probe mechanism swing coupling, so that the OCV test probe group one, the OCV test probe group two, the OCV test probe group three and the OCV test probe group four swing.

[0014] Preferably, the OCV test probe group one, the OCV test probe group two, the OCV test probe group three and the OCV test probe group four are equally spaced on the upper side of the test probe mechanism fixing shaft.

[0015] Through the technical scheme, the OCV test probe group one, the OCV test probe group two, the OCV test probe group three and the OCV test probe group four realize the detection of different types of test batteries by synchronously increasing or decreasing the spacing of the OCV test probe fixing seat.

[0016] Preferably, the battery positioning mechanism has four same ones, and the clamping jaw rods and clamping fingers are provided with four groups, and each group of clamping jaw rods and clamping fingers is provided with two same ones.

[0017] Through the technical scheme, the test battery can be better clamped.

[0018] Preferably, the lifting gear is in meshing connection with the cylindrical gear rack, and the movable box is in sliding connection with the cylindrical gear rack and the lifting mechanism guide optical axis.

[0019] Through the technical scheme, the probe test mechanism can be controlled to lift through the meshing connection of the lifting gear and the cylindrical gear rack.

[0020] Compared with the prior art, the flexible OCV test mechanism has the following beneficial effects:

[0021] 1、The flexible OCV test mechanism is provided with an OCV shifting assembly, an OCV shifting mechanism adjusting motor drives an OCV shifting synchronous wheel two to rotate forward or reversely through an OCV shifting synchronous belt one, the OCV shifting synchronous wheel two drives an OCV shifting mechanism transmission shaft to rotate, the OCV shifting mechanism transmission shaft drives an OCV transmission screw to rotate through an OCV shifting mechanism transmission gear one and an OCV shifting mechanism transmission gear two, the OCV transmission screw transmits power to the OCV shifting mechanism transmission gear two, and the OCV shifting mechanism transmission gear two and an OCV nut transmit power to a lifting assembly, so as to realize the forward and backward position adjustment of the lifting assembly and a probe test mechanism;

[0022] 2、The flexible OCV test mechanism is provided with a lifting assembly, an output shaft of a lifting control motor drives a lifting transmission shaft to rotate, the lifting transmission shaft drives two lifting gears at the ends to rotate, the lifting gears and a cylindrical gear are matched with each other, the movable box can move up and down, the lifting mechanism guide light axis guides the movable box during the up and down movement of the movable box, and the movable box can also move up and down through the lower limit position photoelectric sensor and the upper limit position photoelectric sensor driven by the test probe mechanism fixed seat, the lower limit position photoelectric sensor and the upper limit position photoelectric sensor can detect the height of the test battery, so as to prevent the flexible OCV test mechanism from being damaged due to the wrong replacement;

[0023] 3、The flexible OCV test mechanism is provided with a probe test mechanism, an OCV probe spacing adjusting motor drives a hollow transmission shaft to rotate through a transmission synchronous wheel, a transmission synchronous belt two and a synchronous belt wheel two, the hollow transmission shaft drives a forward and reverse toothed screw synchronous wheel to rotate through a synchronous belt wheel one and a transmission synchronous belt one, the forward and reverse toothed screw synchronous wheel drives a forward and reverse toothed transmission screw to rotate, the forward and reverse toothed transmission screw transmits power to an OCV test probe fixed seat, OCV test probe group one, OCV test probe group two, OCV test probe group three and OCV test probe group four are synchronized to become larger or smaller in spacing through the OCV test probe fixed seat, so as to realize the detection of different types of test batteries, and a test probe mechanism swing motor can transmit power to a test probe mechanism fixed shaft through a test probe mechanism swing coupling, so as to realize the swing of OCV test probe group one, OCV test probe group two, OCV test probe group three and OCV test probe group four. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a three-dimensional structure diagram of the utility model Figure 1 ;

[0025] Figure 2 It is a three-dimensional structure diagram of the utility model Figure 2 ;

[0026] Figure 3 It is a three-dimensional structure diagram of the utility model Figure 3 ;

[0027] Figure 4 It is the three-dimensional structure schematic view of the probe test mechanism of the utility model;

[0028] Figure 5 It is the three-dimensional structure schematic view of the lifting assembly of the utility model;

[0029] Figure 6 It is the plane structure schematic view of the probe test mechanism of the utility model;

[0030] Figure 7 It is the hollow transmission shaft mounting structure schematic view of the utility model;

[0031] Figure 8 It is the three-dimensional structure schematic view of the electric core positioning mechanism of the utility model.

[0032] Among them: 1, OCV shift assembly;1001, OCV shift mechanism adjusting motor;1002, OCV shift synchronous wheel one;1003, OCV shift mechanism transmission shaft;1004, OCV shift synchronous wheel two;1005, OCV shift synchronous belt;1006, OCV bottom plate;1007, OCV shift mechanism transmission gear one;1008, screw rod fixed seat;1009, OCV transmission screw rod;1010, OCV shift mechanism transmission gear two;1011, OCV nut;1012, guide rail;1013, sliding block;2, electric core positioning mechanism;2001, electric core placing rack;2002, clamping jaw cylinder;2003, clamping jaw rod;2004, clamping jaw finger;3, lifting assembly;3001, test probe mechanism swing motor;3002, lifting mechanism base;3003, lifting mechanism guide light shaft;3004, lifting control motor;3005, lifting gear;3006, cylindrical rack;3007, lifting transmission shaft;3008, lower limit position photoelectric sensor;3009, upper limit position photoelectric sensor;3010, OCV probe spacing adjusting motor;3011, test probe mechanism fixed seat;3012, movable box;4, probe test mechanism;4001, OCV test probe group one;4002, OCV test probe group two;4003, OCV test probe group three;4004, OCV test probe group four;4005, test probe mechanism swing coupling;4006, probe fixed block guide light shaft;4007, positive and negative tooth transmission screw rod;4008, positive and negative tooth screw rod coupling;4009, test probe mechanism fixed shaft;4010, positive and negative tooth screw rod synchronous wheel;4011, transmission synchronous belt one;4012, OCV test probe fixed seat;4013, synchronous pulley one;4014, synchronous pulley two;4015, hollow transmission shaft;4016, transmission synchronous belt two;4017, transmission synchronous wheel;5, test electric core. DETAILED DESCRIPTION

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Example 1: As Figures 1-8 As shown, the present invention provides a flexible OCV testing mechanism, including an OCV shifting component 1, a cell positioning mechanism 2, a lifting component 3, a probe testing mechanism 4, and a test cell 5 clamped inside the cell positioning mechanism 2. The lifting component 3 and the probe testing mechanism 4 are both located on the upper side of the OCV shifting component 1, the probe testing mechanism 4 is located above the cell positioning mechanism 2, and the probe testing mechanism 4 is located inside the lifting component 3.

[0035] Specifically, the OCV shifting assembly 1 comprises an OCV shifting mechanism adjusting motor 1001, an OCV shifting synchronous wheel one 1002 is drivingly installed on an output shaft of the OCV shifting mechanism adjusting motor 1001, an OCV shifting mechanism transmission shaft 1003 is arranged outside the OCV shifting mechanism adjusting motor 1001, an OCV shifting synchronous wheel two 1004 is arranged outside the OCV shifting mechanism transmission shaft 1003, the OCV shifting synchronous wheel one 1002 is drivingly installed on the output shaft of the OCV shifting mechanism adjusting motor 1001, an OCV shifting synchronous belt 1005 is arranged between the OCV shifting synchronous wheel one 1002 and the OCV shifting synchronous wheel two 1004, OCV shifting mechanism transmission gear one 1007 is fixedly installed at both ends of the OCV shifting mechanism transmission shaft 1003, an OCV bottom plate 1006 is arranged at the lower side of both ends of the OCV shifting mechanism transmission shaft 1003, a lead screw fixed seat 1008 and a guide rail 1012 are fixedly installed at the upper end of the OCV bottom plate 1006, the OCV transmission lead screw 1009 is rotatably installed outside the lead screw fixed seat 1008, the OCV shifting mechanism transmission gear two 1010 is fixedly installed at one end of the OCV transmission lead screw 1009 close to the OCV shifting mechanism transmission shaft 1003, the OCV nut 1011 is threadedly connected outside the OCV transmission lead screw 1009, the sliding block 1013 is slidingly installed at the upper part of the guide rail 1012, the OCV transmission lead screw 1009 and the OCV nut 1011 are provided with the same two groups, one group of the OCV transmission lead screw 1009 and the OCV nut 1011 is right-handed, and the other group of the OCV transmission lead screw 1009 and the OCV nut 1011 is left-handed. The advantage is that the OCV shifting mechanism adjusting motor 1001 drives the OCV shifting synchronous wheel two 1004 to rotate forward or reverse through the OCV shifting synchronous wheel one 1002 and the OCV shifting synchronous belt 1005, the OCV shifting synchronous wheel two 1004 drives the OCV shifting mechanism transmission shaft 1003 to rotate, the OCV shifting mechanism transmission shaft 1003 drives the OCV transmission lead screw 1009 to rotate through the OCV shifting mechanism transmission gear one 1007 and the OCV shifting mechanism transmission gear two 1010, the OCV transmission lead screw 1009 transmits power to the OCV shifting mechanism transmission gear two 1010, the OCV shifting mechanism transmission gear two 1010 and the OCV nut 1011 cooperatively transmit power to the lifting assembly 3, thereby realizing the forward and backward position adjustment of the lifting assembly 3 and the probe testing mechanism 4.

[0036] Specifically, the battery cell positioning mechanism 2 comprises a battery cell placing rack 2001, the probe testing mechanism 4 is provided below the battery cell placing rack 2001, the inner side of the battery cell placing rack 2001 is fixedly installed with a gripper cylinder 2002, the movable end of the gripper cylinder 2002 is fixedly installed with a gripper rod 2003, the inner side of the gripper rod 2003 is fixedly installed with a gripper finger 2004, and the upper side of the battery cell placing rack 2001 is placed with a test battery cell 5. Advantage is that the gripper cylinder 2002 drives the relative movement of the two identical gripper rods 2003 and the gripper fingers 2004, the relative movement of the gripper fingers 2004 can clamp the test battery cell 5, and the test battery cell 5 will not be displaced during detection.

[0037] Specifically, the lifting assembly 3 comprises a test probe mechanism swing motor 3001, the two sides of the OCV displacement mechanism transmission shaft 1003 are provided with a lifting mechanism base 3002 and a movable box 3012, a cylindrical rack 3006 and a lifting mechanism guide light shaft 3003 are arranged between the lifting mechanism base 3002 and the movable box 3012, the outer side of the movable box 3012 at one end of the OCV displacement mechanism transmission shaft 1003 is fixedly installed with the test probe mechanism swing motor 3001, the outer side of the movable box 3012 at the other end of the OCV displacement mechanism transmission shaft 1003 is fixedly installed with a lifting control motor 3004, the top end of the lifting control motor 3004 is fixedly installed with an OCV probe spacing adjustment motor 3010, the outer side of the movable box 3012 is fixedly installed with a test probe mechanism fixed seat 3011, the outer side of the test probe mechanism fixed seat 3011 is fixedly installed with a lower limit light sensor 3008 and an upper limit light sensor 3009, the outer side of the lifting control motor 3004 is drivingly installed with a lifting transmission shaft 3007 through a shaft coupling, and the two ends of the lifting transmission shaft 3007 are fixedly installed with lifting gears 3005. Advantage is that during use, the output shaft of the lifting control motor 3004 drives the lifting transmission shaft 3007 to rotate, the lifting transmission shaft 3007 drives the lifting gears 3005 at both ends to rotate, the lifting gears 3005 and the cylindrical rack 3006 cooperate with each other to realize the up-down movement of the movable box 3012, the lifting mechanism guide light shaft 3003 guides the movable box 3012 during the up-down movement of the movable box 3012, at the same time, the movable box 3012 can also drive the lower limit light sensor 3008 and the upper limit light sensor 3009 to move up and down through the test probe mechanism fixed seat 3011, and the lower limit light sensor 3008 and the upper limit light sensor 3009 can detect the height of the test battery cell 5 to prevent the flexible OCV testing mechanism from being damaged due to the wrong replacement.

[0038] Embodiment two: as shown in the following table, which is an improvement on the previous embodiment. Figures 2-8

[0039] ​Specifically, the probe testing mechanism 4 comprises a testing probe mechanism fixed shaft 4009, an outside of the testing probe mechanism fixed shaft 4009 is provided with a testing probe mechanism swing coupling 4005, an outside of the testing probe mechanism fixed shaft 4009 is fixedly installed with an OCV testing probe group one 4001, an OCV testing probe group two 4002, an OCV testing probe group three 4003 and an OCV testing probe group four 4004, a far end of the testing probe mechanism fixed shaft 4009 away from the testing probe mechanism swing coupling 4005 is sleevedly installed with a hollow transmission shaft 4015, an outside of the hollow transmission shaft 4015 is fixedly installed with a synchronous pulley one 4013 and a synchronous pulley two 4014, the outside of the OCV testing probe group one 4001, the OCV testing probe group two 4002, the OCV testing probe group three 4003 and the OCV testing probe group four 4004 is provided with a probe fixed block guide optical axis 4006, a positive and negative tooth transmission lead screw 4007 and an OCV testing probe fixed seat 4012, an outside of the positive and negative tooth transmission lead screw 4007 is provided with a positive and negative tooth lead screw coupling 4008, an end of the positive and negative tooth transmission lead screw 4007 outside the OCV testing probe group four 4004 is fixedly installed with a positive and negative tooth lead screw synchronous wheel 4010, the positive and negative tooth lead screw synchronous wheel 4010 and the synchronous pulley one 4013 are provided with a transmission synchronous belt one 4011, an outside of an OCV probe spacing adjustment motor 3010 is fixedly installed with a transmission synchronous wheel 4017, the transmission synchronous wheel 4017 and the synchronous pulley two 4014 are provided with a transmission synchronous belt two 4016. When in use, the OCV probe spacing adjustment motor 3010 drives the hollow transmission shaft 4015 to rotate through the transmission synchronous wheel 4017, the transmission synchronous belt two 4016 and the synchronous pulley two 4014, the hollow transmission shaft 4015 drives the positive and negative tooth lead screw synchronous wheel 4010 to rotate through the synchronous pulley one 4013 and the transmission synchronous belt one 4011, the positive and negative tooth lead screw synchronous wheel 4010 drives the positive and negative tooth transmission lead screw 4007 to rotate, the positive and negative tooth transmission lead screw 4007 transmits power to the OCV testing probe fixed seat 4012, the OCV testing probe group one 4001, the OCV testing probe group two 4002, the OCV testing probe group three 4003 and the OCV testing probe group four 4004 realize the detection of different kinds of test battery 5 by the synchronous change of spacing of the OCV testing probe fixed seat 4012, at the same time, the testing probe mechanism swing motor 3001 can transmit power to the testing probe mechanism fixed shaft 4009 through the testing probe mechanism swing coupling 4005, thereby realizing the swing of the OCV testing probe group one 4001, the OCV testing probe group two 4002, the OCV testing probe group three 4003 and the OCV testing probe group four 4004.

[0040] Specifically, the OCV test probe group one 4001, the OCV test probe group two 4002, the OCV test probe group three 4003 and the OCV test probe group four 4004 are distributed at equal intervals on the upper side of the test probe mechanism fixed shaft 4009. The advantage is that the OCV test probe group one 4001, the OCV test probe group two 4002, the OCV test probe group three 4003 and the OCV test probe group four 4004 are increased or decreased in size at the same time through the OCV test probe fixed seat 4012 to realize the detection of different types of test batteries 5.

[0041] Specifically, the battery positioning mechanism 2 has four identical ones, and the clamping jaw rod 2003 and the clamping jaw finger 2004 are provided with four groups, and each group of clamping jaw rod 2003 and clamping jaw finger 2004 is provided with two identical ones. The advantage is that the test battery 5 can be better clamped.

[0042] Specifically, the lifting gear 3005 is meshed and connected with the cylindrical gear rack 3006, and the movable box 3012 is slidingly connected with the cylindrical gear rack 3006 and the lifting mechanism guide optical axis 3003. The advantage is that the probe test mechanism 4 can be controlled to rise and fall through the meshing connection of the lifting gear 3005 and the cylindrical gear rack 3006.

[0043] Working principle: in use, the staff will test the battery 5 placed on the battery positioning mechanism 2, the jaw cylinder 2002 drive two identical jaw bar 2003 and jaw fingers 2004 relative motion, relative motion of the jaw fingers 2004 can be on the test battery 5 clamping, when the test battery 5 clamping is completed, the OCV shift mechanism adjustment motor 1001 through the OCV shift synchronous wheel one 1002 and OCV shift synchronous belt 1005 drive OCV shift synchronous wheel two 1004 forward or reverse rotation, OCV shift synchronous wheel two 1004 drive OCV shift mechanism transmission shaft 1003 rotation, OCV shift mechanism transmission shaft 1003 through the OCV shift mechanism transmission gear one 1007 and OCV shift mechanism transmission gear two 1010 drive OCV transmission screw rod 1009 rotation, OCV transmission screw rod 1009 will power transmission to OCV shift mechanism transmission gear two 1010, OCV shift mechanism transmission gear two 1010 and OCV nut 1011 each other power transmission to the lifting assembly 3, in order to realize the lifting assembly 3 and probe test mechanism 4 front and back position adjustment, in use, the output shaft of lifting control motor 3004 drive lifting transmission shaft 3007 rotation, lifting transmission shaft 3007 drive both ends of the lifting gear 3005 rotation, lifting gear 3005 and cylindrical rack 3006 each other, can realize the activity box 3012 up and down movement, in the process of activity box 3012 up and down movement, lifting mechanism guide optical axis 3003 to the activity box 3012 guiding, at the same time activity box 3012 can also be through the test probe mechanism fixed seat 3011 drive lower limit photoelectric sensor 3008 and upper limit photoelectric sensor 3009 up and down movement, lower limit photoelectric sensor 3008 and upper limit photoelectric sensor 3009 can detect the height of test battery 5, prevent the wrong type change caused by flexible OCV test mechanism damage, OCV probe spacing adjustment motor 3010 through the transmission synchronous wheel 4017, transmission synchronous belt two 4016 and synchronous belt pulley two 4014 drive hollow transmission shaft 4015 rotation, hollow transmission shaft 4015 through the synchronous belt pulley one 4013 and transmission synchronous belt one 4011 drive positive and negative toothed rod synchronous wheel 4010 rotation, positive and negative toothed rod synchronous wheel 4010 drive positive and negative tooth transmission screw rod 4007 rotation, positive and negative tooth transmission screw rod 4007 will power transmission to OCV test probe fixed seat 4012, OCV test probe group one 4001, OCV test probe group two 4002, OCV test probe group three 4003 and OCV test probe group four 4004 through the OCV test probe fixed seat 4012 spacing synchronous larger or smaller to realize the detection of different kinds of test battery 5, at the same time test probe mechanism swing motor 3001 can be through the test probe mechanism swing coupling 4005 power transmission to test probe mechanism fixed shaft 4009,Further, the OCV test probe group one 4001, the OCV test probe group two 4002, the OCV test probe group three 4003 and the OCV test probe group four 4004 are swung, the overall design is reasonable, and the test production of the test battery 5 of multiple models can be compatible.

[0044] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A flexible OCV testing mechanism, comprising an OCV shifting component (1), a cell positioning mechanism (2), a lifting component (3), a probe testing mechanism (4), and a test cell (5) clamped inside the cell positioning mechanism (2), characterized in that: The lifting assembly (3) and the probe testing mechanism (4) are both located on the upper side of the OCV shifting assembly (1). The probe testing mechanism (4) is located above the cell positioning mechanism (2) and inside the lifting assembly (3).

2. The flexible OCV testing mechanism according to claim 1, characterized in that: The OCV shifting assembly (1) includes an OCV shifting mechanism adjusting motor (1001). An OCV shifting synchronous pulley one (1002) is driven and mounted on the output shaft of the OCV shifting mechanism adjusting motor (1001). An OCV shifting mechanism drive shaft (1003) is provided on the outer side of the OCV shifting mechanism adjusting motor (1001). An OCV shifting synchronous pulley two (1004) is provided on the outer side of the OCV shifting mechanism drive shaft (1003). An OCV shifting synchronous belt (1005) is provided between the OCV shifting synchronous pulley one (1002) and the OCV shifting synchronous pulley two (1004). An OCV shifting mechanism transmission gear one (1007) is fixedly mounted at both ends of the OCV shifting mechanism drive shaft (1003). An OCV base plate (1006) is provided on the lower side of both ends of the OCV shifting mechanism drive shaft (1003). The upper end of the OCV base plate (1006) is fixedly installed with a lead screw fixing seat (1008) and a guide rail (1012). An OCV transmission lead screw (1009) is rotatably installed on the outer side of the lead screw fixing seat (1008). An OCV shift mechanism transmission gear (1010) is fixedly installed on the end of the OCV transmission lead screw (1009) near the transmission shaft (1003) of the OCV shift mechanism. An OCV nut (1011) is threadedly connected to the outer side of the OCV transmission lead screw (1009). A slider (1013) is slidably installed on the upper part of the guide rail (1012). The OCV transmission lead screw (1009) and OCV nut (1011) are provided in two identical sets. One set of OCV transmission lead screw (1009) and OCV nut (1011) is right-handed, and the other set of OCV transmission lead screw (1009) and OCV nut (1011) is left-handed.

3. The flexible OCV testing mechanism according to claim 1, characterized in that: The cell positioning mechanism (2) includes a cell placement rack (2001). The cell placement rack (2001) is located below the probe testing mechanism (4). A gripper cylinder (2002) is fixedly installed on the inner side of the cell placement rack (2001). A gripper rod (2003) is fixedly installed on the movable end of the gripper cylinder (2002). A gripper finger (2004) is fixedly installed on the inner side of the gripper rod (2003). A test cell (5) is placed on the upper side of the cell placement rack (2001).

4. The flexible OCV testing mechanism according to claim 2, characterized in that: The lifting assembly (3) includes a test probe mechanism swing motor (3001). Lifting mechanism bases (3002) and movable boxes (3012) are provided on both sides of the OCV shifting mechanism drive shaft (1003). A cylindrical rack (3006) and a lifting mechanism guide shaft (3003) are provided between the lifting mechanism base (3002) and the movable box (3012). The test probe mechanism swing motor (3001) is fixedly installed on the outside of the movable box (3012) at one end of the OCV shifting mechanism drive shaft (1003), and the outside of the movable box (3012) at the other end of the OCV shifting mechanism drive shaft (1003) is... A lifting control motor (3004) is fixedly installed. An OCV probe spacing adjustment motor (3010) is fixedly installed on the top of the lifting control motor (3004). A test probe mechanism fixing seat (3011) is fixedly installed on the outside of the movable box (3012). A lower limit photoelectric sensor (3008) and an upper limit photoelectric sensor (3009) are fixedly installed on the outside of the test probe mechanism fixing seat (3011). A lifting transmission shaft (3007) is driven by a coupling on the outside of the lifting control motor (3004). Lifting gears (3005) are fixedly installed at both ends of the lifting transmission shaft (3007).

5. The flexible OCV testing mechanism according to claim 4, characterized in that: The probe testing mechanism (4) includes a test probe mechanism fixed shaft (4009). A test probe mechanism swing coupling (4005) is provided on the outside of the test probe mechanism fixed shaft (4009). OCV test probe group one (4001), OCV test probe group two (4002), OCV test probe group three (4003) and OCV test probe group four (4004) are fixedly installed on the outside of the test probe mechanism fixed shaft (4009). A hollow transmission shaft (4015) is sleeved on the end of the test probe mechanism fixed shaft (4009) away from the test probe mechanism swing coupling (4005). A synchronous pulley one (4013) and a synchronous pulley two (4014) are fixedly installed on the outside of the hollow transmission shaft (4015). The OCV test probe group one (4001), OCV test probe group two (4002), and OCV test probe group four (4004) are fixedly installed on the outside of the test probe mechanism fixed shaft (4009). The outer sides of the test probe group three (4003) and the OCV test probe group four (4004) are provided with a probe fixing block guide optical shaft (4006), a forward and reverse tooth transmission screw (4007) and an OCV test probe fixing seat (4012). The outer side of the forward and reverse tooth transmission screw (4007) is provided with a forward and reverse tooth transmission screw coupling (4008). The end of the forward and reverse tooth transmission screw (4007) on the outer side of the OCV test probe group four (4004) is fixedly installed with a forward and reverse tooth transmission screw synchronous pulley (4010). A transmission synchronous belt one (4011) is provided between the forward and reverse tooth transmission screw synchronous pulley (4010) and the synchronous belt pulley one (4013). A transmission synchronous pulley (4017) is fixedly installed on the outer side of the OCV probe spacing adjustment motor (3010). A transmission synchronous belt two (4016) is provided between the transmission synchronous pulley (4017) and the synchronous belt pulley two (4014).

6. The flexible OCV testing mechanism according to claim 5, characterized in that: The OCV test probe group one (4001), OCV test probe group two (4002), OCV test probe group three (4003) and OCV test probe group four (4004) are equally spaced on the upper side of the fixed shaft (4009) of the test probe mechanism.

7. The flexible OCV testing mechanism according to claim 3, characterized in that: The cell positioning mechanism (2) has four identical parts, and the gripper bar (2003) and gripper finger (2004) are arranged in four sets, with each set of gripper bar (2003) and gripper finger (2004) having two identical parts.

8. The flexible OCV testing mechanism according to claim 4, characterized in that: The lifting gear (3005) and the cylindrical rack (3006) are meshed, and the movable box (3012) is slidably connected to the cylindrical rack (3006) and the guide shaft (3003) of the lifting mechanism.

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