CN110665858A - Electricity core OCV test machine - Google Patents

Abstract

The invention discloses a battery cell OCV testing machine, which relates to the technical field of battery cell production. On the rack, it is used to collect data on the battery cells; and the discharging device is installed on the rack, which is used to separate the good and bad products obtained after the OCV test; and the moving device; On the rack, it is used to drive the transfer of the battery cells between the OCV testing device, the scanning device and the discharging device. The beneficial effects of the present invention are: automatic OCV testing of the battery cells, code scanning, and distinction and discharge of defective products can be carried out. As well as the automatic transfer of cells in each functional unit, it can realize the automatic and efficient operation of the OCV test of the cells, and the test can be carried out basically without the participation of personnel, and the degree of automation is high.

Description

A cell OCV testing machine

technical field

The invention relates to the technical field of cell production, in particular to a cell OCV testing machine.

Background technique

The battery cell is an important unit of the battery, which has a wide range of applications in industrial production and life.

After the production of the battery cell is completed, it needs to be tested for OCV performance. In the existing test, the product is generally scanned by a manual hand-held code scanning gun, and then placed on the conveyor belt, and then the product is manually taken through the OCV test. Then put it on the lower conveyor belt, and then carry out the follow-up test.

The main disadvantage is that the labor cost is high and the automation cost is high.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a cell OCV testing machine to solve the above-mentioned problems in the background art.

To achieve the above object, the present invention provides the following technical solutions:

A battery cell OCV testing machine, comprising:

frame;

OCV test device, installed on the rack, used for OCV test of the cell;

A scanning device, arranged on the rack, is used to collect data on the battery cells;

The discharging device, installed on the rack, is used to separate the good and bad products obtained after the OCV test;

A material-moving device; installed on the rack, used to drive the transfer of the cells between the OCV testing device, the scanning device and the discharging device; and

A control device for controlling the above components.

As a further scheme of the present invention: the OCV testing device includes:

a test platform, mounted on a rack, for placing and positioning the cells; and

The test unit is installed on the rack, and is coupled with the test platform through the circuit conduction mechanism to realize circuit connection and disconnection.

As a further solution of the present invention: the circuit conduction mechanism includes conductive members arranged in pairs on the test platform and the test unit, wherein one of the conductive members is driven by the driving mechanism to contact or disengage from the conductive member .

As a further solution of the present invention: the test platform includes a discharge member and a positioning member, wherein the discharge member is used to place the battery cell, and the discharge member is also provided with an isolation member for isolating the battery core pins. The positioning member on the discharging member is used for positioning the battery cell.

As a further scheme of the present invention: the discharging device includes:

The good-quality discharging mechanism, which is installed on the rack and is within the stroke range of the moving device, is used for storing good-quality cells and outputting good-quality cells; and

The defective product discharge mechanism is installed on the rack and within the stroke range of the material moving device, and is used to store and output defective battery cells.

As a further scheme of the present invention: the good product discharging mechanism includes:

A storage part, driven by a moving mechanism, for storing good quality cells; and

The moving mechanism, installed on the frame, is used to drive the storage part to move to realize the output of the good quality cells in the storage part, and stop after the storage part moves in place.

As a further solution of the present invention, the defective product discharging mechanism is a conveyor belt, and the device stops after the defective battery cells on the conveyor belt move in place.

As a further scheme of the present invention: the material moving device includes:

The first moving part is installed on the rack and is used to position and adjust the attitude of the battery cell, so that the battery cell on it can be picked and placed by the second moving part in the set attitude;

The second moving part is installed on the rack, and is used for transferring the cells from the first moving part to the OCV testing device with a set posture for OCV testing, and transferring the cells on the OCV testing device to the scanning device data collection on the device; and

The third moving part is installed on the rack, and is used to put the cells on the scanning device into the good product discharge mechanism or the bad product discharge mechanism according to the judgment result of the OCV test device.

As a further scheme of the present invention: the scanning device includes:

a positioning platform, mounted on the rack, for correcting the position of the cells thereon after sensing the cells; and

The code scanning mechanism, corresponding to the position of the positioning platform, is used to scan the code of the cells on the positioning platform to realize data collection.

As a further solution of the present invention, the code scanning mechanism includes a code scanning gun, and the horizontal position, vertical position and inclination angle of the code scanning gun can be adjusted.

Compared with the prior art, the beneficial effects of the present invention are: automatic OCV test and code scanning, identification and discharge of defective products, and automatic transfer of the battery cells in each functional unit can be performed on the battery cells, which can realize the detection of the battery cells. The automation and efficient operation of the OCV test basically does not require personnel to participate in the test, and the degree of automation is high.

Description of drawings

FIG. 1 is a schematic structural diagram of a cell OCV testing machine.

FIG. 2 is a schematic structural diagram of a testing platform in a cell OCV testing machine.

FIG. 3 is a schematic structural diagram of a testing unit in a cell OCV testing machine.

FIG. 4 is a schematic structural diagram of a first moving part in a cell OCV testing machine.

FIG. 5 is a schematic structural diagram of a second moving part in a cell OCV testing machine.

FIG. 6 is a schematic structural diagram of a third moving part in a cell OCV testing machine.

FIG. 7 is a schematic structural diagram of a good product discharging mechanism in a cell OCV testing machine.

FIG. 8 is a schematic structural diagram of a defective product discharging mechanism in a cell OCV testing machine.

FIG. 9 is a schematic structural diagram of a positioning platform in a cell OCV testing machine.

FIG. 10 is a schematic structural diagram of a code scanning mechanism in a cell OCV testing machine.

FIG. 11 is a schematic structural diagram of an upper frame body in a cell OCV testing machine.

In the picture: 100-rack, 101-industrial computer monitor, 102-keyboard and mouse, 103-OCV tester, 104-touch screen, 105-alarm light, 106-caster, 107-air filter, 108-foot cup , 200-material moving device, 201-first material moving part, 2011-base I, 2012-rotating cylinder, 2013-rotating cylinder connecting plate, 2014-battery bottom insulating plate, 2015-battery positive and negative insulating plate, 2016-Vacuum sucker I, 2017-Cell left and right adjustment baffle, 202-Second moving part, 2021-Base II, 2022-Vertical support plate I, 2023-Reinforcing rib I, 2024-Lower sealing plate I, 2025- Side sealing plate I, 2026-horizontal plate support plate I, 2027-moving group vertical plate I, 2028- drag chain I, 2029-servo motor I, 20210- drag chain support I, 20211-upper sealing plate I, 20212-middle Sealing plate I, 20213-vacuum meter I, 20214-suction cup group installation horizontal plate I, 20215-cylinder installation plate I, 20216-up and down cylinder I, 20217-suction cup installation plate I, 20218-vacuum suction cup II, 203-third shift Material, 2031-Base III, 2032-Vertical Support Plate II, 2033-Reinforcing Rib II, 2034-Side Sealing Plate II, 2035-Servo Motor II, 2036-Drag Chain Bracket II, 2037-Active Group Vertical Plate II, 2038 -Drag Chain II, 2039-upper sealing plate II, 20310-middle sealing plate II, 20311-lower sealing plate II, 20312-vacuum gauge II, 20313-cylinder mounting plate II, 20314-upper and lower cylinder II, 20315-suction cup mounting plate II, 20316-Vacuum Suction Cup III, 20317-Suction Cup Group Installation Horizontal Plate II, 20318- Horizontal Plate Support Plate II, 300-OCV Test Device, 301-Test Platform, 3011-Vertical Support Plate III, 3012-Cell Discharge Plate , 3013-suction cup mounting plate III, 3014-vacuum suction cup IV, 3015-lower conductor, 3016-lower conductor insulation plate, 3017-up and down adjustment plate, 3018-up and down adjustment fixing plate, 302-test unit, 3021-base IV , 3022-up and down cylinder III, 3023-upper conductive part, 3024-up and down movable slide rail slider, 3025-vertical support plate IV, 3026-left and right slider connecting plate, 3027-left and right adjustment slide rail slider, 400-scanning device , 401-positioning platform, 4011-vertical support plate V, 4012-platform insulation panel, 4013-correction cylinder, 4014-correction insulating plate, 4015-tempered transparent glass, 4016-fiber sensor I, 4017-fiber mounting plate I, 4018 -Cylinder mounting bracket, 402-scanning mechanism, 4021-base V, 4022-support rod, 4023-scanning gun, 4024- Adjustment block I, 4025-adjustment rod I, 4026-scanning gun mount, 4027-adjustment rod II, 4028-adjustment block II, 500-discharge device, 501-good product discharge mechanism, 5011-side sealing plate III, 5012-Servo motor III, 5013-Pallet, 5014-Pallet adjustment plate, 5015-Pallet platform plate, 5016-Induction switch, 5017-Induction switch installation aluminum strip, 502-Defective product discharge mechanism, 5021-Base VI, 5022- Front and rear sealing plates, 5023-right side plate, 5024-insulation plate, 5025-belt, 5026-motor outer insulation plate, 5027-motor, 5028-motor governor, 5029-speed governor mounting plate, 50210-left side plate , 50211 - Fiber Optic Mounting Plate II, 50212 - Fiber Optic Sensor II.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with this disclosure. Rather, they are merely examples of apparatus and methods consistent with the aspects disclosed in the present embodiments, as recited in the appended claims.

Referring to FIG. 1, in an embodiment of the present invention, a cell OCV testing machine includes a rack 100, an OCV testing device 300, a scanning device 400, a discharging device 500, a material moving device 200, and a control device, wherein the The OCV testing device 300 is installed on the rack 100 to perform OCV testing on the cells; the scanning device 400 is installed on the rack 100 to collect data on the cells; the discharging device 500 is installed on the machine On the rack 100, it is used to separate and discharge the good products and defective products obtained after the OCV test; the material moving device 200 is installed on the rack 100, and is used to drive the battery cells in the OCV test device 300, the scanning device 400 and the The transfer between the discharge devices 500; the control device is used to control the above components, preferably, the control device can be a programmable logic controller, preferably a Siemens 600 series, which mainly realizes the coordination work between the above components .

In practical application, the moving device 200 sends the cells into the OCV testing device 300 for OCV testing, and then the moving device 200 puts the tested cells into the scanning device 400 to collect data , the data collection here can ensure the production date, barcode, related parameters, etc. of the battery cell, and the battery cell after the test can know whether it is a good or bad product, and the good and bad products are fed by the feeding device 200. In the device 500, separate discharge is performed.

It can realize the automatic and efficient operation of the cell OCV test, and the test can be carried out basically without the participation of personnel, and the degree of automation is high.

Please refer to FIGS. 2 to 3. As a preferred embodiment of the present invention, the OCV test device includes a test platform 301 and a test unit 302. The test platform 301 is installed on a rack and is used for placing cells and checking the cells. Positioning is performed; the test unit 302 corresponds to the position of the test platform 301. In this embodiment, the projection of the test unit 302 and the test platform 301 in the vertical direction is overlapped, so as to realize the position correspondence, and the test platform 301 is connected to the test platform 301 through the circuit conduction mechanism. Coupling to realize circuit on and off.

After the moving device 200 sends the battery cells to the test platform 301 in the OCV test device 300, it is positioned in the test platform 301, and then the test unit 302 is coupled with the test platform 301 through the circuit conduction mechanism to realize the circuit on and off. When turned on, the cell is powered on, and the OCV tester can test the cell normally. Specifically:

The circuit conduction mechanism includes conductive members arranged in pairs on the test platform 301 and the test unit 302, wherein one of the conductive members is driven by a driving mechanism to contact or disengage from the conductive member; the test platform 301 It includes a discharging part and a positioning part, wherein the discharging part is used to place the battery core, and the discharging part is also provided with an isolation part for isolating the pins of the battery core, and the positioning part installed on the discharging part is used for Position the cells.

The discharging member includes a cell discharging plate 3012, a suction cup mounting plate III3013 is installed at the bottom of the cell discharging plate 3012, and the bottom of the suction cup mounting plate III3013 is installed on the rack 100 through the vertical support plate III3011, and for the positioning member For example, in this embodiment, the vacuum suction cup IV3014 is used as a positioning member, and the cell discharge plate 3012 is provided with a hole for the vacuum suction cup IV3014, so that when the battery cell is placed on the cell discharge plate 3012, the vacuum suction cup IV3014 can ensure the suction and state of the cell and the cell discharge plate 3012, and achieve the positioning effect.

For the conductive members arranged in pairs in this embodiment, it may be a conductive contact type structure, or may be the lower conductive member 3015 and the upper conductive member 3023 shown in the accompanying drawings of this embodiment, wherein the lower conductive member The component 3015 is located on one side of the vertical support plate III3011, and its number is two, and the middle is separated by a spacer. The spacer can be a plate-like structure made of insulating material. It also corresponds to the two pins of the battery cell;

Further, in this embodiment, the height of the lower conductive member 3015 is adjustable to ensure that the conductive member can be in good contact with the pins of the cell. Specifically, the lower conductive member 3015 is installed on the upper and lower adjustment plates. 3017 is located on one side of the vertical support plate III3011. The upper and lower adjustment plates 3017 and the vertical support plate III3011 are slidably matched and are locked and positioned by adjusting the fixing plate up and down. Conductive member insulating plate 3016.

As for the upper conductive member 3023, the number of the upper conductive member 3023 is opposite to that of the lower conductive member 3015. In this embodiment, the upper and lower cylinder III3022 is used as the driving mechanism, of course, electric cylinders, hydraulic cylinders, etc. can also be used. The device with moving function, the upper conductive member 3023 is driven up and down by the upper and lower cylinder III3022. In addition, in order to ensure the smoothness and straightness of the lifting, the upper conductive member 3023 also slides with the vertical support plate IV3025 through the upper and lower movable sliding rail sliders 3024 Matching, the vertical support plate IV3025 and the upper and lower cylinder III3022 are installed on the left and right slider connecting plates 3026, and the left and right slider connecting plates 3026 are slidably matched with the base IV3021 by adjusting the left and right sliding rail sliders 3027, that is, the upper conductive member 3023 is used in practical applications Not only the lifting function can be realized, but also the fine adjustment of the horizontal position can be realized, so as to ensure the good contact between the lower conductive member 3015 and the upper conductive member 3023 .

In practical application, the lower conductive member 3015 and the upper conductive member 3023 are equivalent to a switch structure, which mainly realizes the on-off of the battery cell, so as to facilitate the OCV tester to test the battery cell.

7-8, as another preferred embodiment of the present invention, the discharging device includes a good product discharging mechanism 501 and a defective product discharging mechanism 502, and the good product discharging mechanism 501 is installed on the rack and located in the Within the stroke range of the material-moving device, it is used to store and output good-quality batteries; Good batteries and output bad batteries.

After the measurement of the OCV tester, the quality judgment of the cells can be completed, that is, the cells tested by the OCV tester can be classified into good or bad products. The defective battery cells are respectively fed into the good product discharging mechanism 501 and the defective product discharging mechanism 502 to realize output.

The good product discharging mechanism 501 includes a material storage member and a moving mechanism. The material storage member is driven by the moving mechanism and is used to store the good quality battery cells; the moving mechanism is installed on the frame and is used to drive the material storage member. Move to realize the output of good quality cells in the storage piece, and stop after the material storage piece moves in place; the bad product discharge mechanism 502 is a conveyor belt, and stops after the bad product cells on the conveyor belt move in place.

Specifically, for the material storage part, the tray 5013 is used as the material storage part in this embodiment. Of course, other components with a material storage function can also be used. The tray 5013 is installed on the tray platform plate 5015 through the tray adjustment plate 5014.

For the moving mechanism, in fact, any component that has the function of driving the storage member to move can be used. This embodiment B provides a preferred structure of a moving mechanism. The moving mechanism includes a servo motor III5012. The servo motor III5012 It is installed on the installation frame enclosed by several side sealing plates III5011, and the storage part is driven by the servo motor III5012 to move. Specifically, the movement of the storage part can be realized by means of a ball screw assembly, a conveyor belt assembly, etc. Currently, the storage part is moved. The pallet platform plate 5015 in the material is slidably fitted with the mounting frame.

In addition, in order to realize the automatic shutdown of the material storage piece after moving in place, the present embodiment is provided with an inductive switch 5016, and the inductive switch 5016 is installed on the installation frame through the inductive switch mounting aluminum strip 5017.

For the defective product discharging mechanism 502, in fact, it can also have the same structure as the good product discharging mechanism 501, or it can have a different structure from the good product discharging mechanism 501. In this embodiment, the defective product discharging mechanism 502 is disclosed. It is a conveyor belt. Specifically, the conveyor belt includes a base VI5021, a motor 5027 and a motor speed regulator 5027. The motor 5027 is installed on the front and rear sealing plates 5022, the right side plate 5023 and the left side plate 50210. On the conveying frame, the conveying frame is installed on the frame 100 through the base VI5021, the motor 5027 is used to drive the belt 5025 in the conveying frame to move, the motor governor 5027 is installed on the conveying frame through the speed governor mounting plate 5029, and the motor speed is adjusted The device 5027 is used to adjust the rotation speed of the motor 5027; and since the battery core is easily damaged by the influence of static electricity, in this embodiment, insulating plates 5024 are provided on the outside of the front and rear sealing plates 5022, the right plate 5023 and the left plate 50210. In addition, a motor outer insulating plate 5026 is provided outside the motor 5027 to reduce the influence of static electricity on the cell.

In addition, the optical fiber sensor II50212 is also installed on the conveying frame through the optical fiber mounting plate II50211, so as to realize the automatic shutdown after the defective cell moves in place.

4 to 6, as another preferred embodiment of the present invention, the material moving device includes a first material moving member 201, a second material moving member 202 and a third material moving member 203. The first material moving member 203 The component 201 is installed on the rack, and is used to position and adjust the attitude of the battery cell, so that the battery cell on it can be picked and placed by the second material-moving component in a set attitude; the second material-moving component 202 is installed on the rack. It is used to transfer the battery cells from the first moving part 201 to the OCV testing device for OCV testing with a set attitude, and transfer the cells on the OCV testing device to the scanning device for data collection; The three-moving material 203 is installed on the rack, and is used for placing the cells on the scanning device into the good product discharging mechanism 501 or the defective product discharging mechanism 502 according to the determination result of the OCV testing device.

For the first moving part 201, the first moving part 201 includes a base I2011, a rotating cylinder 2012 and a rotating cylinder connecting plate 2013, the rotating cylinder 2012 is installed on the base I2011, and the output end of the rotating cylinder 2012 is equipped with a rotating The cylinder connecting plate 2013, the rotating cylinder connecting plate 2013 is fixed on the bottom insulating plate 2014 of the cell, and there are several pairs of left and right adjusting baffles 2017 on the bottom insulating plate 2014 of the cell, wherein the left and right adjusting baffles 2017 of the cell and the cell are The relative position between the bottom insulating plates 2014 can be adjusted, that is, by adjusting the distance between the left and right adjustment baffles 2017 between the two battery cells, the battery cells can be positioned, and the posture of the battery cells can be adjusted at the same time. Of course, the rotating cylinder The connecting plate 2013 or the insulating plate 2014 at the bottom of the cell is provided with positive and negative insulating plates 2015 for the positive and negative electrodes of the battery. The pins are isolated to prevent the problem of pin damage. Here, a vacuum suction cup I2016 is also installed on the insulating plate 2014 at the bottom of the cell, which is used for sucking and positioning the cell.

In practical application, the battery cell can be manually placed between the left and right adjustment baffles 2017 of the two battery cells, and then the vacuum suction cup I2016 is activated. For taking out the second material-moving member 202, and then rotating the cylinder 2012 to drive it to rotate 180 degrees, and then reclaiming the battery cells at another position. Of course, the premise of rotating 180 degrees is that there are two sets of cells on the bottom insulating plate 2014 of the battery cells. The vacuum suction cup I2016 and the battery cell left and right adjustment baffles 2017 can be adapted according to actual needs.

For the second material moving part 202, it includes a base II2021, a drag chain I2028, a servo motor I2019, and an upper and lower cylinder I20216. The servo motor I2019 is installed on the lower sealing plate I2024, the side sealing plate I2025, the upper sealing plate I20211 and the upper and lower sealing plates I20211 and On the moving frame I surrounded by the middle sealing plate I20212, the moving frame I is installed on the base II2021 through the vertical support plate I2022. Of course, in order to increase the strength, the vertical support plate I2022 is provided with a reinforcing rib I2023. The towline I2028 is driven by the servo motor I2019. The towline bracket I20210 at the bottom of the towline I2028 is connected to the horizontal plate support plate I2026 through the movable group vertical plate I2027. The horizontal plate support plate I2026 is fixedly connected to the suction cup group installation horizontal plate I20214. A pair of cylinder mounting plates I20215 are installed on the horizontal plate I20214 of the suction cup group, and upper and lower cylinders I20216 are installed on each of the cylinder installation plates I20215. The output ends of the upper and lower cylinders I20216 are installed with a vacuum suction cup II20218 through the suction cup mounting plate I20217; Preferably, a vacuum gauge I20213 is installed on the material moving frame 1 to display the pressure of the gas path;

Here, since the second moving member 202 needs to move the cells on the first moving member 201 to the OCV testing device 300 at the same time, it is also necessary to move the cells that have been tested by the OCV testing device 300 to the scanning device 400 . , Therefore, the number of vacuum suction cups II20218 and the upper and lower cylinders I20216 needs to be a pair. In practical application, when the vacuum suction cups II20218 move to the top of the battery, the upper and lower cylinders I20216 drive the vacuum suction cups II20218 to descend, and the vacuum suction cups II20218 absorb electricity. Then, the upper and lower cylinders I20216 drive the vacuum suction cup II20218 and the cell to rise, and then the drag chain I2028 drives the cell to move to the OCV testing device 300 or the scanning device 400.

For the third moving part 203, it includes a base III2031, a drag chain II2038, a servo motor II2035 and a cylinder mounting plate II20313. The servo motor II2035 is installed on the lower sealing plate II20311, the side sealing plate II2034, and the upper sealing plate II2039. On the moving frame II enclosed by the middle sealing plate II20310, the moving frame II is installed on the base III2031 through the vertical support plate II2032. Of course, in order to increase the strength, the vertical support plate II2032 is provided with reinforcing ribs II2033, so The towline I2028 is driven by the servo motor I2019, and the towline bracket II2036 at the bottom of the towline II2038 is connected to the suction cup group mounting horizontal plate II20317 through the movable group vertical plate II2037 and the horizontal plate support plate II20318.

The suction cup group installation horizontal plate II20317 is installed with a cylinder installation plate II20313, the cylinder installation plate II20313 is equipped with an upper and lower cylinder II20314, and the output end of the upper and lower cylinder II20314 is installed through the suction cup installation plate II20315 is installed with a vacuum suction cup III20316; as a preferred option , a vacuum gauge II20312 is installed on the moving rack II, which is used to display the pressure of the gas circuit.

In fact, the difference between the second material moving member 202 and the third material moving member 203 is that the second material moving member 202 is provided with two sets of upper and lower cylinders and vacuum suction cups, while the third material moving member 203 is only provided with one set, and the other There is no difference.

Referring to FIGS. 9-10, as another preferred embodiment of the present invention, the scanning device includes a positioning platform 401 and a code scanning mechanism 402, wherein the positioning platform 401 is installed on the frame and is used for sensing the battery cells Then, correct the position of the battery cells on it; the code scanning mechanism 402 corresponds to the position of the positioning platform 401, and is used to scan the code of the battery cells on the positioning platform 401 to realize data collection; preferably, the scanning code The mechanism 402 includes a code scanning gun 4023, of course, other devices with code scanning or scanning can also be used, and the horizontal position, vertical position and inclination angle of the code scanning gun 4023 can be adjusted.

Specifically, the positioning platform 401 includes a platform insulating panel 4012, a correction cylinder 4013 and a correction insulating plate 4014. The opposite sides of the platform insulating panel 4012 are installed with the correction cylinder 4013 through the cylinder mounting bracket 4018, and the correction cylinder 4013 The output end is connected with a modified insulating plate 4014, and a tempered transparent glass 4015 is embedded on the platform insulating panel 4012. Of course, an optical fiber sensor I4016 is also installed on the platform insulating panel 4012 through the optical fiber mounting plate I4017, which is used to sense whether the tempered transparent glass 4015 is on the If there are cells, the correction insulating plates 4014 are arranged relative to each other, and the position is adjusted by the correction cylinder 4013, which can be used to adjust or correct the position of the cells, so that they can be scanned by the code scanning mechanism 402 to realize the data For collection, the platform insulating panel 4012 is installed on the rack 100 through the vertical support plate V4011.

For the scanning mechanism 402, the scanning gun 4023 is installed on the scanning gun mounting seat 4026, the scanning gun mounting seat 4026 is rotatably installed on the adjusting rod II4027, and the adjusting rod II4027 is rotated and installed on the adjusting block II4028. The adjustment rod I4025 is rotatably installed on the block II4028. The adjustment rod I4025 is rotatably installed on the adjustment block I4024. The adjustment block I4024 is rotatably installed with a support rod 4022. The support rod 4022 is installed on the rack 100 through the base V4021. Here, the rotating installation The method is to set an open slot or an open hole on the corresponding adjustment block or mounting seat, insert the corresponding adjustment rod into the open slot or open hole, and then lock it with screws or bolts to achieve rotation and installation, and finally scan the code. The horizontal position, vertical position and inclination of the gun 4023 can be adjusted.

Please refer to FIG. 11, as another preferred embodiment of the present invention, an upper frame body is also fixed on the rack 100. Generally speaking, the upper frame body can be welded or bolted by profiles, and an industrial computer monitor can be placed on the upper frame body. 101. Devices such as keyboard and mouse position 102, OCV tester 103, touch screen 104 and alarm light 105, especially for the OCV tester 103, when it is set on the upper frame, the OCV test device 300 is equivalent to a positioning fixture, It is used to position the battery cell, and realize the connection between the battery cell and the OCV tester 103 through the circuit conduction mechanism, and it may not be arranged on the upper frame body, that is, it is integrated with the OCV test device 300, which is not limited in detail. ; For the industrial control computer display 101, the industrial control computer connected to it is equivalent to the control system of this technical solution, because this technical solution does not improve it, therefore, the various components in this technical solution such as cylinders, vacuum suction cups, motors and other components The connection and control relationship with it will not be explained more.

For the rack 100, a number of casters 106 and foot cups 108 are installed at the bottom of the rack 100, and an air source filter 107 can also be installed on the rack 100, which is used for air cylinders, vacuum suction cups and other pneumatic components in the air path. Air source is filtered.

The above-mentioned embodiment of the present invention discloses an OCV testing machine for battery cells, which can perform automatic OCV testing on the battery cells, scan codes, distinguish and discharge defective products, and automatically transfer the battery cells in each functional unit to automatically test the voltage. , resistance, K value and other data, and then realize the screening of good and bad products, which can realize the automatic and efficient operation of the OCV test of the battery cell, which basically does not require personnel to participate in the test, and has a high degree of automation. In addition, its control system can also share with local and networked data to realize the function of data analysis and processing.

Other embodiments of the present disclosure will readily occur to those skilled in the art upon consideration of the disclosure at the specification and examples. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or techniques in the technical field not disclosed by the present disclosure . The specification and examples are to be regarded as exemplary only, with the true scope and spirit of the disclosure being indicated by the claims.

It is to be understood that the present disclosure is not limited to the precise structures described above and illustrated in the accompanying drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. The utility model provides a cell OCV test machine which characterized in that includes:

a frame;

the OCV testing device is arranged on the rack and used for performing OCV testing on the battery cell;

the scanning device is arranged on the rack and used for acquiring data of the battery cell before or after the OCV test;

the discharging device is arranged on the rack and used for separately discharging good products and defective products obtained after OCV test;

a material moving device; the battery cell testing device is arranged on the rack and used for driving the battery cell to transfer among the OCV testing device, the scanning device and the discharging device; and

and the control device is used for controlling the components.

2. The cell OCV testing machine of claim 1, wherein the OCV testing device comprises:

the test platform is arranged on the rack and used for placing the battery cell and positioning the battery cell; and

and the test unit is arranged on the rack and coupled with the test platform through the circuit conduction mechanism to realize the on-off of the circuit.

3. The cell OCV testing machine of claim 2, wherein the circuit conducting mechanism comprises a pair of conducting members disposed on the testing platform and the testing unit, and one of the conducting members is driven by the driving mechanism to contact with or separate from the conducting member.

4. The cell OCV testing machine according to claim 2 or 3, wherein the testing platform comprises a discharging member and a positioning member, wherein the discharging member is used for placing the cell, the discharging member is further provided with a separating member for separating pins of the cell, and the positioning member mounted on the discharging member is used for positioning the cell.

5. The cell OCV testing machine of claim 1, wherein the discharging device comprises:

the good product discharging mechanism is arranged on the rack and is positioned in the stroke range of the material moving device, and is used for storing and outputting the good product electric cores; and

and the defective product discharging mechanism is arranged on the rack and in the stroke range of the material moving device and is used for storing the defective product battery cell and outputting the defective product battery cell.

6. The cell OCV testing machine of claim 5, wherein the good product discharging mechanism comprises:

the storage piece is driven by the moving mechanism and is used for storing the good product battery cell; and

and the moving mechanism is arranged on the rack and used for driving the storage part to move so as to realize the output of the good product battery cell in the storage part and stop after the storage part moves in place.

7. The cell OCV testing machine of claim 5, wherein the defective product discharging mechanism is a conveyor belt, and the machine is stopped when a defective cell on the conveyor belt moves in place.

8. The cell OCV testing machine according to claim 5, 6 or 7, wherein the material moving device comprises:

the first material moving part is arranged on the rack and used for positioning and posture adjustment of the battery cell, so that the battery cell on the first material moving part is taken and placed by the second material moving part in a set posture;

the second material moving part is arranged on the rack and used for transferring the battery cell from the first material moving part to the OCV testing device in a set posture for OCV testing and transferring the battery cell on the OCV testing device to the scanning device for data acquisition; and

and the third material moving part is arranged on the rack and used for placing the battery cell on the scanning device onto the good product discharging mechanism or the defective product discharging mechanism according to the judgment result of the OCV testing device.

9. The cell OCV testing machine of claim 1, wherein the scanning device comprises:

the positioning platform is arranged on the rack and used for correcting the position of the battery cell on the positioning platform after sensing the battery cell; and

and the code scanning mechanism corresponds to the positioning platform in position and is used for scanning the code of the battery cell on the positioning platform so as to realize data acquisition.

10. The electrical core OCV testing machine of claim 9, wherein the code scanning mechanism comprises a code scanning gun, and the horizontal position, the vertical position and the inclination angle of the code scanning gun are adjustable.

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