CN211905623U - An automatic voltage internal resistance testing system - Google Patents

Abstract

The utility model discloses an automatic voltage internal resistance testing system, which comprises a feeding platform, an advancing and retreating working platform, a turntable mechanism, a feeding conveyor belt; a visual positioning monitoring robot for feeding and sorting, which is used for grasping the The battery cells are visually positioned and inspected, and the cells are placed on the advancing and retreating working platform; the edge voltage testing mechanism is used to test the edge voltage of the cells on the advancing and retreating working platform; Transferred to the turntable mechanism; the tab shaping mechanism, cell body temperature testing mechanism, code scanning mechanism and cell voltage internal resistance testing mechanism set at each working position of the turntable mechanism are used for tab shaping, cell body temperature testing, respectively. Temperature test, code scanning and cell voltage internal resistance test; unloading sorting robot, which is used to unload cells from the turntable mechanism to the unloading conveyor belt. The test system improves the test efficiency of the voltage and internal resistance of small square cells, and the test data is relatively stable.

Description

An automatic voltage internal resistance testing system

technical field

The utility model relates to the technical field of battery core testing, in particular to an automatic voltage internal resistance testing system.

Background technique

In the prior art, the test of small-sized square cells (Bluetooth earphones) is tested manually, and the test data is unstable due to human factors, and the efficiency of the manual test of voltage internal resistance is low; It is cumbersome to clamp cells; cells of different specifications need to be tested on different types of parts, and it is difficult to replace equipment parts, one-key type change cannot be realized, and the type change speed is slow; the equipment has no insulation protection, no physical electricity protection and software alarm Multiple security protection mechanisms, etc., are not secure enough.

To sum up, how to effectively solve the problem of low efficiency in the process of manually testing the voltage internal resistance is an urgent problem to be solved by those skilled in the art at present.

Utility model content

The purpose of the utility model is to provide an automatic voltage internal resistance testing system, which improves the voltage internal resistance testing efficiency of small square cells, and the test data is relatively stable.

In order to solve the above-mentioned technical problems, the utility model provides the following technical solutions:

A fully automatic voltage internal resistance testing system, comprising: a loading platform for placing a stacking tray for loading materials, a forward and backward working platform capable of moving the position of a battery cell, a turntable mechanism with multiple working positions for testing, and a loading platform for unloading materials The unloading conveyor belt; also includes:

The visual positioning monitoring robot for feeding and sorting is used to grab the cells on the feeding platform and perform visual positioning and detection on them, and place the qualified cells on the advancing and retreating working platform, and place the NG products on the working platform. in the corresponding material box;

a side voltage testing mechanism located at the rear end of the advancing and retreating working platform, used to test the edge voltage of the cells pushed by the advancing and retreating working platform;

The upper turntable transfer manipulator is used to transfer the battery cells that have passed the test of the voltage testing mechanism to the turntable mechanism;

The tab shaping mechanism, the cell body temperature testing mechanism, the code scanning mechanism and the cell voltage internal resistance testing mechanism, which are arranged at each working position of the turntable mechanism, are respectively used for tab shaping, cell body temperature testing, Scan code and cell voltage internal resistance test;

The unloading sorting robot is used to unload the qualified battery cells from the turntable mechanism to the unloading conveyor belt, and place the NG products in the corresponding NG collection boxes.

Preferably, the visual positioning monitoring robot for loading and sorting comprises a robot, a drive shaft installed on the robot, a suction cup installed on the lower part of the drive shaft, a camera disposed under the suction cup, and a camera disposed under the suction cup. The light source at the suction cup, the drive shaft can move up and down and rotate in the installation hole of the robot.

Preferably, the loading platform comprises a loading position for placing the loading stacking tray, an empty tray position for placing the empty tray, and an empty tray for transferring the empty tray from the loading position to the empty tray position In the empty pallet handling manipulator, a pallet loading and unloading mechanism capable of moving up and down is arranged below the loading table.

Preferably, the advancing and retreating working platform includes an upper slideway, a lower slideway, an upper fixed layer installed in the upper layer slideway, and a movable layer installed in the lower layer slideway and capable of descending through the lower space of the upper fixed layer. A lifting layer, a moving motor for driving the upper fixed layer and the movable layer to move, and a lifting cylinder for driving the lifting and lowering of the lifting layer.

Preferably, the side voltage testing mechanism comprises a side test frame, a jack-up motor and a push-down motor fixed on the side test frame, installed in a guide hole of the side test frame and passed through the jack-up motor The driven side test pallet, the side test probe assembly driven by the pressing motor, and the bayonet assembly installed in the middle of the side test frame,

The side-testing probe assembly includes multiple sets of probe pieces, a fixing bracket connected to the pressing motor, and a probe adjusting motor mounted on the fixing bracket, and each set of the probe pieces includes two probes , one of which is fixed on the fixed bracket, and the other is installed on the probe adjustment motor through the movable bracket;

The bayonet assembly includes a plurality of sets of bayonet pieces, a bayonet adjusting motor fixed on the edge measuring frame, and a movable plate mounted on the guide strip of the edge measuring frame and moved by the bayonet adjusting motor. The bayonet piece includes two bayonets, one of which is fixed on the edge measuring frame, and the other is connected with the movable plate through a spring.

Preferably, the tab shaping mechanism includes a shaping frame, a jacking motor and a shaping motor fixed on the shaping frame, and a movable frame mounted on the lateral slide rail of the shaping frame and connected to the shaping motor , The press-down motor installed on the movable frame, the rectification support plate installed on the vertical slide rail of the rectification frame and driven by the lifting motor, installed in the guide hole of the rectification frame through the bracket and passed through The shaping roller assembly driven by the pressing motor includes multiple sets of shaping rollers, a fixing bracket connected to the pressing motor, and a shaping adjusting motor mounted on the fixing bracket. The shaping roller includes two rollers, one of which is fixed on the fixed bracket, and the other is installed on the shaping adjustment motor through a movable bracket;

The battery body temperature testing mechanism includes a lifting cylinder installed in the mounting hole of the shaping frame, a mounting frame connected to the bottom of the lifting cylinder, and a thermometer installed on the mounting frame. The temperature of the battery core body is The testing mechanism and the pole ear shaping mechanism share a working position.

Preferably, the cell voltage and internal resistance testing mechanism includes a test frame, a second adjusting motor fixed on the test frame, a mounting seat mounted on a guide rail of the test frame and driven by the second adjusting motor, Lifting motor and pressing cylinder mounted on the mounting seat, test pallet mounted on the guide hole of the mounting seat and driven by the lifting motor, mounted on the guide hole of the mounting seat and driven by the pressing cylinder A test probe assembly, the test probe assembly includes a fixing frame connected to the pressing cylinder, a first adjusting motor mounted on the fixing frame, and multiple sets of probes, each set of the probes includes two probe bodies, one of which is fixed on the fixed frame, and the other is installed on the first adjusting motor through the movable frame;

The code scanning mechanism includes a code scanning frame, an adjustment frame mounted on the code scanning frame and capable of moving along the code scanning guide rail, a code scanning gun installed on the adjustment frame, and a code scanning gun capable of driving the code scanning gun to switch positions. The telescopic cylinder, the code scanning mechanism and the cell voltage internal resistance testing mechanism share a working position.

Preferably, the turntable mechanism includes a turntable body, a drive motor that drives the turntable body to rotate and is connected through a reducer, and a suction cup clamp disposed on the turntable body. The turntable body has four working positions, one for upper The material level, the temperature test position of the shaping mechanism, the scan code internal resistance test position and the material unloading position, each of the working positions has two suction cup fixtures.

Preferably, the NG collection box comprises an upper material box with an inner rack at the bottom, a lower material box with an outer rack at the bottom, a telescopic retractable box fixed under the outer rack for driving the outer rack to reciprocate A cylinder, a gear located between the outer rack and the inner rack and meshing with both the inner rack and the outer rack.

Preferably, the unloading sorting robot and the loading sorting visual positioning monitoring robot grab two batteries at a time, and the unloading sorting robot and the loading sorting visual positioning monitoring robot also There is a waiting station for temporary placement of odd-numbered good products.

In the fully automatic voltage internal resistance testing system provided by the utility model, the feeding stacking tray is placed on the feeding platform, the small-sized square cells are placed in the material frame, and the bar codes or two-dimensional codes of the cells face upward. The feeding and sorting visual positioning monitoring robot is located between the feeding platform and the advancing and retreating working platform. The visual positioning monitoring robot for feeding and sorting can not only grasp the cells on the feeding platform, but also perform visual positioning and detection of the grasped cells. , and place the qualified cells on the advancing and retreating working platform, and place the NG products in the corresponding material boxes. The visual positioning monitoring robot for feeding and sorting places the qualified cells at the front end of the advancing and retreating working platform, and the advancing and retreating working platform moves the cells to the end. The side voltage testing mechanism is located at the rear end of the advancing and retreating working platform, and the side voltage testing mechanism performs side voltage testing on the cells pushed by the advancing and retreating working platform. The cells that have passed the test of the voltage testing agency are transferred to the turntable mechanism through the upper turntable transfer manipulator. The turntable mechanism has multiple working positions to test different parts of small square cells. Each working position of the turntable mechanism is provided with a tab shaping mechanism, a cell body temperature test mechanism, a code scanning mechanism and a cell voltage internal resistance test mechanism, which are respectively used for tab shaping, cell body temperature test, and code scanning. Test the voltage and internal resistance of the cell, and bind the test data to the barcode information of the cell, upload it to the MES system or save it locally. After the test is completed, the unloading sorting robot unloads the qualified cells from the turntable mechanism to the unloading conveyor belt, performs unloading and NG sorting, and puts the NG products in the corresponding material boxes.

The fully automatic voltage internal resistance testing system provided by the utility model detects small-sized square cells, such as earphones, has high efficiency in the process of testing voltage internal resistance, is not affected by human factors, and has stable test data; the equipment has insulation protection and has Multiple safety protection mechanisms such as physical electricity protection and software alarm are relatively safe; when testing on the turntable mechanism, all tests can be completed with only one clamping, which simplifies the clamping process, saves time and improves work efficiency.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic structural diagram of a fully automatic voltage internal resistance testing system provided by a specific embodiment of the present invention;

Fig. 2 is the outline drawing of Fig. 1;

Fig. 3 is the structural schematic diagram of the visual positioning monitoring robot for feeding and sorting in Fig. 1;

FIG. 4 is a schematic structural diagram of the side voltage testing mechanism in FIG. 1;

Fig. 5 is the structural representation of advancing and retreating working platform in Fig. 1;

Fig. 6 is the structural representation of the pole ear shaping mechanism in Fig. 1;

FIG. 7 is a schematic structural diagram of the cell voltage internal resistance testing mechanism in FIG. 1;

Fig. 8 is the structural representation of the NG collection box in Fig. 1;

Fig. 9 is the structural representation of the turntable mechanism in Fig. 1;

Fig. 10 is the structural representation of the upper turntable transfer manipulator in Fig. 1;

FIG. 11 is a schematic structural diagram of the code scanning mechanism in FIG. 1 .

The figures are marked as follows:

Loading platform 1, empty pallet handling manipulator 2, NG material box 3, feeding and sorting visual positioning monitoring robot 4, advance and retreat working platform 5, upper turntable transfer manipulator 6, side voltage testing mechanism 7, pole ear shaping mechanism 8, turntable Mechanism 9, unloading and sorting robot 10, unloading conveyor belt 11, NG collection box 12, cell voltage and internal resistance testing mechanism 13, touch screen operation panel 14, safety light curtain 15, alarm light 16, display 17, scanning code mechanism 18. Robot 401, light source 402, suction cup 403, camera 404, bracket 601, moving mechanism 602, air cylinder 603, suction cup assembly 604, bayonet adjustment motor 701, jacking motor 702, bayonet assembly 703, edge test probe assembly 704, Depression motor 705, probe adjustment motor 706, lift cylinder 801, thermometer 802, shaping roller assembly 803, shaping pallet 804, jacking motor 805, shaping motor 806, lowering motor 807, rotary joint 901, suction cup Fixture 902, telescopic cylinder 1201, lower material box 1202, upper material box 1203, lift motor 1301, first adjustment motor 1302, second adjustment motor 1303, test pallet 1304, test probe assembly 1305, lower pressure cylinder 1306, sweep Code frame 1801, code scanning guide rail 1802, telescopic cylinder 1803, code scanning gun 1804.

Detailed ways

The core of the utility model is to provide an automatic voltage internal resistance testing system, the automatic voltage internal resistance testing system improves the voltage internal resistance testing efficiency of small square electric cores, and the test data is relatively stable.

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1 to 11. FIG. 1 is a schematic structural diagram of a fully automatic voltage internal resistance testing system provided by a specific embodiment of the present invention; FIG. 2 is an outline view of FIG. 1; Figure 4 is a schematic structural diagram of the edge voltage testing mechanism in Figure 1; Figure 5 is a schematic structural diagram of the advancing and retreating working platform in Figure 1; Figure 6 is the structure of the pole ear shaping mechanism in Figure 1 Schematic diagram; Figure 7 is a schematic structural diagram of the cell voltage internal resistance testing mechanism in Figure 1; Figure 8 is a structural schematic diagram of the NG collection box in Figure 1; Figure 9 is a schematic structural diagram of the turntable mechanism in Figure 1; Schematic diagram of the structure of the upper turntable transfer robot; FIG. 11 is a schematic diagram of the structure of the scanning mechanism 18 in FIG. 1 .

In a specific embodiment, the fully automatic voltage internal resistance test system provided by the present invention includes: a loading platform 1 for placing a stacking tray for loading materials, a forward and backward working platform 5 capable of moving the position of the battery cells, a multi- A turntable mechanism 9 for testing, and a feeding conveyor belt 11 for feeding; it also includes:

The visual positioning monitoring robot 4 for feeding and sorting is used to grab the cells on the feeding platform 1 and perform visual positioning and detection, and place the qualified cells on the advancing and retreating working platform 5, and place the NG products on the in the corresponding material box;

The side voltage testing mechanism 7 located at the rear end of the advancing and retreating working platform 5 is used to test the edge voltage of the cells pushed by the advancing and retreating working platform 5;

The upper turntable transfer manipulator 6 is used to transfer the cells that have passed the test of the voltage testing mechanism to the turntable mechanism 9;

The tab shaping mechanism 8, the cell body temperature testing mechanism, the code scanning mechanism 18, and the cell voltage internal resistance testing mechanism 13, which are arranged at each working position of the turntable mechanism 9, are used to perform tab shaping and cell body temperature testing respectively. Test, scan code and test cell voltage and internal resistance;

The unloading and sorting robot 10 is used for unloading qualified battery cells from the turntable mechanism 9 to the unloading conveyor belt 11 , and placing the NG products in the corresponding NG material boxes 3 .

In the above structure, the automatic voltage internal resistance testing system includes a feeding platform 1, an advancing and retreating working platform 5, a turntable mechanism 9, a feeding conveyor belt 11, a visual positioning monitoring robot 4 for feeding and sorting, a side voltage testing mechanism 7, and an upper turntable. The transfer manipulator 6 , the pole ear shaping mechanism 8 , the cell body temperature testing mechanism, the code scanning mechanism 18 , the cell voltage and internal resistance testing mechanism 13 , and the blanking and sorting robot 10 .

The feeding stacking tray is placed on the feeding platform 1, and the small-sized square cells are placed in the material frame, with the barcode or QR code of the cell facing upward.

The visual positioning monitoring robot 4 for feeding and sorting is located between the feeding platform 1 and the advancing and retreating working platform 5. The visual positioning monitoring robot 4 for feeding and sorting can not only grasp the cells on the loading platform 1, but also the grasped cells. Perform visual positioning and inspection, and place the qualified cells on the advancing and retreating working platform 5, and place the NG products in the corresponding material boxes.

The feeding and sorting visual positioning monitoring robot 4 places the qualified cells at the front end of the advancing and retreating working platform 5, and the advancing and retreating working platform 5 moves the cells to the end.

The side voltage testing mechanism 7 is located at the rear end of the advancing and retreating working platform 5 , and the side voltage testing mechanism 7 performs side voltage testing on the cells pushed by the advancing and retreating working platform 5 .

The cells that have passed the test of the voltage testing mechanism are transferred to the turntable mechanism 9 through the upper turntable transfer manipulator 6 . It should be noted that the upper turntable transfer manipulator 6 includes a bracket 601, a moving mechanism 602 mounted on the bracket 601, and a suction cup assembly 604 mounted on the moving mechanism 602. The suction cup assembly 604 is connected to the cylinder 603, and the cylinder 603 can drive the suction cup assembly 604 lift.

The turntable mechanism 9 has multiple working positions to test different parts of small-sized square cells. Specifically, each working position of the turntable mechanism 9 is provided with a tab shaping mechanism 8, a cell body temperature testing mechanism, a code scanning mechanism 18 and a cell voltage internal resistance testing mechanism 13, which are respectively used for tab shaping and cell body temperature testing. Test, scan the code and test the voltage and internal resistance of the cell, and at the same time bind the test data and the barcode information of the cell, upload it to the MES system or save it locally.

After the test is completed, the unloading and sorting robot 10 unloads the qualified cells from the turntable mechanism 9 to the unloading conveyor belt 11, performs unloading and NG sorting, and places the NG products in the corresponding bins.

The automatic voltage internal resistance test system is provided with a casing outside for protection, and each mechanism, manipulator and robot are connected to the processor, such as a PLC processor, and the casing has a touch screen operation panel 14, which can control the automatic operation of each mechanism, manipulator and robot. Human-computer interaction. The casing is also provided with a display 17, which can observe the operating status and results of the system in real time, and a keyboard is connected to the display 17, which can be operated. An alarm light 16 is arranged on the top of the casing. When the system fails or lacks materials, the warning light 16 turns from normal green to red to give an alarm and early warning. There is also a safety light curtain 15 on the shell, which is used for safety testing.

The fully automatic voltage internal resistance testing system provided by the utility model detects small-sized square cells, such as earphones, has high efficiency in the process of testing voltage internal resistance, is not affected by human factors, and has stable test data; the equipment has insulation protection and has Multiple safety protection mechanisms such as physical electricity protection and software alarm are relatively safe; when testing on the turntable mechanism 9, all tests can be completed with only one clamping, which simplifies the clamping process, saves time, and improves work efficiency.

On the basis of the above-mentioned specific embodiments, the visual positioning monitoring robot 4 for feeding and sorting includes a robot 401, a drive shaft installed on the robot 401, a suction cup 403 installed at the lower part of the drive shaft, a camera 404 disposed below the suction cup 403, and For the light source 402 disposed at the suction cup 403 , the drive shaft can move up and down and rotate in the mounting hole of the robot 401 .

In the above structure, the feeding and sorting visual positioning monitoring robot 4 includes a robot 401, a drive shaft, a suction cup 403, a camera 404, and a light source 402. The drive shaft is installed on the robot 401, and the drive shaft can be installed in the installation hole of the robot 401. Move up and down and turn. The suction cup 403 is installed on the lower part of the drive shaft, so that the suction cup 403 can move up and down and rotate, so as to grab and transfer the battery cells. The camera 404 is disposed below the suction cup 403 , the light source 402 is disposed at the suction cup 403 , and the light source 402 provides the light source 402 for the camera 404 . The camera 404 can visually locate and detect the battery cells, remove the NG products of the tabs, and discharge them in the various mechanisms of the turntable mechanism 9. When testing, the tabs of the battery cells are qualified to avoid unnecessary subsequent tests.

In another more reliable embodiment, on the basis of any one of the above embodiments, the loading platform 1 includes a loading position, an empty tray position and an empty tray handling robot 2, and the loading position is used to place the loading stack tray , the empty pallet position is used to place empty pallets, and the empty pallet handling robot 2 is used to transfer the empty pallets from the loading position to the empty pallet position to realize the empty pallet transfer.

A tray loading and unloading mechanism is arranged under the loading table, which can move the loading position up and down, so that the height of the uppermost tray is kept at the set position, so that the empty tray handling robot 2 can smoothly grab the empty tray.

On the basis of the above-mentioned specific embodiment, the advance and retreat work platform 5 includes an upper slideway, a lower slideway, an upper fixed layer, a mobile motor, a liftable layer and a lift cylinder, the upper fixed layer is installed in the upper slideway, and the liftable layer is installed In the lower slideway, the lift cylinder can drive the liftable layer to go up and down, and the liftable layer can pass through the space at the lower part of the upper fixed layer after being lowered. There are two moving motors, which respectively drive the upper fixed layer and the liftable layer to move. The advance and retreat working platform 5 has a double-layer structure, one layer is at the front end, receiving the battery cell; the other layer is at the end, the side voltage testing mechanism 7 detects the battery core, and the two layers work at the same time, which shortens the cycle period and has high efficiency.

For the fully automatic voltage internal resistance testing system in each of the above embodiments, the side voltage testing mechanism 7 includes a side testing frame, a jacking motor 702, a pressing motor 705, a side testing pallet, a side testing probe assembly 704, and a bayonet assembly 703, the jack-up motor 702 and the push-down motor 705 are fixed on the side test frame, the side test support plate and the side test probe assembly 704 are installed in the guide holes of the side test frame, and the side test support plate is connected with the jack-up motor 702, The jack-up motor 702 drives the side tester to move up and down. The edge-testing probe assembly 704 is connected to the pressing motor 705, and the pressing motor 705 drives the edge-testing probe assembly 704 to move up and down.

The edge test probe assembly 704 includes multiple sets of probe pieces, a fixed bracket, and a probe adjustment motor 706. The fixed bracket is connected to the pressing motor 705. The probe adjustment motor 706 is installed on the fixed bracket, and each set of probe pieces includes two One of the probes is fixed on the fixed bracket, and the other is installed on the probe adjustment motor 706 through the movable bracket. The probe adjustment motor 706 drives the probe to move left and right, so that the distance between the two probes can be adjusted, In this way, cells of different specifications can be detected, and there is no need to replace equipment components, and one-key model change can be realized, and the model change speed is faster.

The bayonet assembly 703 is installed in the middle of the edge measuring frame. The bayonet assembly 703 includes multiple sets of bayonet pieces, a bayonet adjustment motor 701 and a movable plate. The bayonet adjustment motor 701 is fixed on the edge measuring frame, and the movable plate is installed on the edge measuring frame to guide After the height is adjusted, the position is fixed. Each set of bayonet parts includes two bayonets, one of which is fixed on the side measuring frame, and the other is connected to the movable plate through a spring. The bayonet adjustment motor 701 drives the movable plate to move, and the bayonet adjustment motor 701 can drive the bayonet to move left and right, thereby The distance between the two bayonet knives can be adjusted to detect cells of different specifications, without the need to replace equipment components, to achieve one-click model change, and the model change speed is faster.

On the basis of the above-mentioned specific embodiment, the pole ear shaping mechanism 8 includes a shaping frame, a jacking motor 805 and a shaping motor 806 fixed on the shaping frame, and a shaping motor 806 installed on the lateral slide rail of the shaping frame and connected to the shaping motor 806. The movable frame, the push-down motor 807 installed on the movable frame, the shaping support plate 804 installed on the vertical slide rail of the shaping frame and driven by the jacking motor 805, installed in the guide hole of the shaping frame through the bracket and passed through the lower voltage The shaping roller assembly 803 driven by the machine 807, the shaping roller assembly 803 includes multiple groups of shaping rollers, a fixed bracket connected to the pressing motor 807, and a shaping adjustment motor installed on the fixed bracket. Each group of shaping rollers includes two rollers, wherein One is fixed on the fixed bracket, and the other is installed on the shaping adjustment motor through the movable bracket;

In the above structure, the pole ear shaping mechanism 8 includes a shaping frame, a jacking motor 805, a shaping motor 806, a movable frame, a pressing motor 807, a shaping support plate 804, and a shaping roller assembly 803, and the shaping motor 806 is fixed to the shaping frame. The top surface of the shaping rack has a horizontal slide rail, the side has a vertical slide rail, and the bottom surface of the movable frame has a clamping block. The motor 806 can drive the movable frame to move back and forth, so that the components mounted on the movable frame can move back and forth.

The jacking motor 805 is fixed on the lower end of the shaping frame, the clamping block of the shaping support plate 804 is installed in the vertical slide rail of the shaping frame, the lifting motor 805 is connected with the shaping support plate 804, and the jacking motor 805 can drive the shaping support Plate 804 moves up and down.

The pressing motor 807 is installed on the upper end of the movable frame. The vertical plate of the shaping frame has guide holes. The shaping roller assembly 803 is installed at the guide hole through the bracket. The pressing motor 807 is connected to the shaping roller assembly 803. The machine 807 can drive the shaping roller assembly 803 to move up and down along the guide hole.

At the same time, the shaping roller assembly 803 includes multiple sets of shaping rollers, a fixing bracket, and a shaping adjustment motor. The fixing bracket is connected to the pressing motor 807. The shaping regulating motor is installed on the fixing bracket, and the pressing motor 807 drives the fixing bracket and the fixing bracket to be installed. The parts move up and down.

Each group of shaping rollers includes two rollers, one of which is fixed on a fixed bracket, the position of the roller is fixed after the height is adjusted, and the other is installed on the shaping adjustment motor through the movable bracket, and the shaping adjustment motor can drive the roller to move left and right, so as to Adjust the distance between the two rollers, so as to detect different specifications of cells, without the need to replace equipment parts, to achieve one-key model change, the model change speed is faster.

It should be noted that the cell body temperature testing mechanism includes a lifting cylinder 801, a mounting frame, and a thermometer 802. The lifting cylinder 801 is installed in the mounting hole of the shaping frame, and the mounting frame is connected to the bottom of the lifting cylinder 801 and is installed in the installation The thermometer 802 on the shelf and the lifting cylinder 801 can drive the thermometer 802 to move up and down, adjust the position of the thermometer 802, and improve the accuracy of temperature measurement.

It should be noted that the cell body temperature testing mechanism and the tab shaping mechanism 8 can share a working position, and the cell body temperature testing mechanism is installed on the shaping rack, thereby reducing the number of working positions of the turntable mechanism 9 and simplifying the structure.

For the fully automatic voltage internal resistance testing system in the above embodiments, the cell voltage internal resistance testing mechanism 13 includes a test frame, a second adjusting motor 1303 fixed on the test frame, mounted on the test frame guide rail and passed through the first test frame. 2. The mounting seat driven by the adjusting motor 1303, the lifting motor 1301 and the lowering cylinder 1306 mounted on the mounting seat, the test bracket 1304 mounted on the guide hole of the mounting seat and driven by the lifting motor 1301, and the guide hole of the mounting seat and passing through the lower The test probe assembly 1305 driven by the pressing cylinder 1306, the test probe assembly 1305 includes a fixing frame connected with the pressing cylinder 1306, a first adjusting motor 1302 mounted on the fixing frame and a plurality of sets of probes, each set of probes includes two One of the probe bodies is fixed on the fixed frame, and the other is installed on the first adjusting motor 1302 through the movable frame.

In the above structure, the cell voltage and internal resistance test mechanism 13 includes a test frame, a second adjustment motor 1303, a mounting seat, a lifting motor 1301, a pressing cylinder 1306, a test support plate 1304, a test probe assembly 1305, and a second adjustment motor. 1303 is fixed on the test rack, the mounting seat is mounted on the test rack guide rail, the mounting seat is connected with the second adjusting motor 1303, and the second adjusting motor 1303 can drive the mounting seat to move.

The elevating motor 1301 is installed on the mounting seat, and the test support plate 1304 is installed in the guide hole of the mounting seat.

The pressing cylinder 1306 is installed on the mounting seat, the test probe assembly 1305 is installed at the guide hole of the mounting seat, the test probe assembly 1305 is connected with the pressing cylinder 1306, and the pressing cylinder 1306 can drive the test probe assembly 1305 to move up and down. Specifically, the test probe assembly 1305 includes a fixing frame, a first adjusting motor 1302 and multiple sets of probes. The fixing frame is connected to the pressing cylinder 1306. The first adjusting motor 1302 and the multiple sets of probes are installed on the fixing frame, and the lowering The pressure cylinder 1306 can drive the fixed frame and its components to move.

At the same time, each set of probes includes two probe bodies, one of which is fixed on the fixed frame, the position of the probe body is fixed after the height of the probe body is adjusted, and the other is installed on the first adjusting motor 1302 through the movable frame. The first adjustment motor 1302 can drive the probe body to move left and right, so that the distance between the two probe bodies can be adjusted, so as to detect cells of different specifications, without the need to replace equipment components, to achieve one-key model change, model change faster.

In another more reliable embodiment, the code scanning mechanism 18 includes a code scanning frame 1801 , an adjustment frame, a code scanning gun 1804 and a telescopic cylinder 1803 , the end surface of the code scanning frame 1801 has a guide rail, and the adjusting frame is installed on the On the code scanning guide rail 1802 , the adjusting rack can move along the code scanning guide rail 1802 . The code scanning gun 1804 is installed on the adjusting frame, and the adjusting frame can realize the position adjustment of the scanning code gun 1804 up, down, left, right, front, and back. The telescopic cylinder 1803 is installed on the code scanning frame 1801, and the end of the telescopic rod is connected with the adjusting frame. The telescopic rod has two working positions for extending and retracting, and these two working positions can drive the scanning gun 1804 to have two positions. , thereby switching the position of the code scanning gun 1804 so that the code scanning gun 1804 can scan the code accurately.

It should be noted that the code scanning mechanism 18 and the cell voltage internal resistance testing mechanism 13 share a working position. The code scanning frame 1801 of the code scanning mechanism 18 is installed on the test frame, which reduces the number of working positions of the turntable mechanism 9 and simplifies the structure.

In the fully automatic voltage internal resistance test system provided by the present invention, the turntable mechanism 9 includes a turntable body, a drive motor, and a suction cup fixture 902 under the condition that other components are not changed. The drive motor is connected to the turntable body through a reducer, and the drive motor drives The turntable body rotates, and the wires are arranged in the rotary joint 901 to prevent the wires from being entangled. The turntable body has four working positions, namely the loading position, the temperature test position of the shaping mechanism, the scanning code internal resistance test position and the unloading position. The four working positions can be evenly distributed, that is, the turntable body rotates every 90 degrees. work place. The suction cup fixtures 902 are arranged on the turntable body, and each working position has two suction cup fixtures 902, each suction cup fixture 902 attracts one battery cell, and the two battery cells are tested in sequence.

For the fully automatic voltage internal resistance testing system in the above embodiments, the NG collection box 12 includes an upper material box 1203, a lower material box 1202, a telescopic cylinder 1201, an inner rack, an outer rack and a gear, and the NG collection box 12 is Double layer box. The bottom of the upper material box 1203 has an inner rack, the bottom of the lower material box 1202 has an outer rack, and the telescopic cylinder 1201 is fixed under the outer rack to drive the outer rack to reciprocate. The gear is located between the outer rack and the inner rack, and the gear meshes with both the inner rack and the outer rack. The telescopic cylinder 1201 drives the lower layer material box 1202 to reciprocate, and drives the upper layer material box 1203 to reciprocate in the opposite direction through the transmission combination in which the gear meshes with the inner rack and the outer rack, thereby switching the positions of the upper layer material box 1203 and the lower layer material box 1202, The NG products are placed in the double-layer material box, which can realize the non-stop when the NG material is taken out, and improve the work efficiency.

On the basis of the above-mentioned specific embodiment, the unloading and sorting robot 10 and the loading and sorting visual positioning monitoring robot 4 grab two battery cells at a time, which improves the work efficiency. The unloading sorting robot 10 and the loading sorting visual positioning monitoring robot 4 are also provided with a waiting station, and one of the two cells detected by the unloading sorting robot 10 and the loading sorting visual positioning monitoring robot 4 is qualified. One is an unqualified product, and the odd number of qualified products are temporarily placed in the waiting station, and when a single qualified product appears next time, the unloading sorting robot 10 and the loading sorting visual positioning monitoring robot 4 will be transferred to the next channel. The process ensures that two cells are detected each time, and the work efficiency is improved.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other.

The fully automatic voltage internal resistance testing system provided by the present utility model has been described in detail above. The principles and implementations of the present invention are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present utility model, some improvements and modifications can also be made to the present utility model, and these improvements and modifications also fall into the protection of the claims of the present utility model. within the range. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A fully automatic voltage internal resistance testing system, characterized in that it comprises: a loading platform (1) for placing a loading stacking tray, an advancing and retreating working platform (5) capable of moving the position of the battery cells, having a plurality of working a turntable mechanism (9) for testing, and a feeding conveyor belt (11) for feeding; it also includes: A visual positioning monitoring robot (4) for feeding and sorting, for grabbing the cells on the feeding platform (1) and performing visual positioning and detection on them, and placing qualified cells on the advancing and retreating working platform (5), put the NG product in the corresponding material box; a side voltage testing mechanism (7) located at the rear end of the advancing and retreating working platform (5), for performing edge voltage testing on the cells pushed by the advancing and retreating working platform (5); an upper turntable transfer manipulator (6), used for transferring the battery cells that have passed the test of the voltage testing mechanism to the turntable mechanism (9); The tab shaping mechanism (8), the cell body temperature testing mechanism, the code scanning mechanism (18) and the cell voltage internal resistance testing mechanism (13), which are arranged at each working position of the turntable mechanism (9), are respectively used For tab shaping, cell body temperature test, code scanning and cell voltage internal resistance test; A blanking and sorting robot (10) is used for unloading qualified cells from the turntable mechanism (9) to the blanking conveyor belt (11), and placing NG products in corresponding NG collection boxes (12) )middle. 2. The fully automatic voltage internal resistance testing system according to claim 1, wherein the feeding and sorting visual positioning monitoring robot (4) comprises a robot (401), which is installed on the robot (401) A drive shaft, a suction cup (403) installed at the lower part of the drive shaft, a camera (404) arranged under the suction cup (403), and a light source (402) arranged at the suction cup (403), the drive The shaft can move up and down and rotate in the mounting hole of the robot (401). 3. The fully automatic voltage internal resistance testing system according to claim 1, wherein the loading platform (1) comprises a loading position for placing a loading stacking tray, an empty tray for placing an empty tray and an empty pallet handling manipulator (2) for transferring the empty pallet from the loading position to the empty pallet position, and a pallet loading and unloading material capable of moving up and down is provided under the loading platform (1). mechanism. 4. The automatic voltage internal resistance testing system according to claim 1, wherein the advancing and retreating working platform (5) comprises an upper-layer slideway, a lower-layer slideway, an upper-layer fixed layer installed in the upper-layer slideway, A liftable layer installed in the lower slideway and capable of descending through the lower space of the upper fixed layer, a moving motor that drives the upper fixed layer and the liftable layer to move, and a lift that drives the liftable layer to rise and fall. Drop cylinder. 5. automatic voltage internal resistance testing system according to claim 1, is characterized in that, described side voltage testing mechanism (7) comprises side test frame, the jacking-up motor (fixed on described side test frame) 702) and a push-down motor (705), an edge-test pallet mounted on the guide hole of the side-test frame and driven by the jack-up motor (702), and a side-test plate driven by the push-down motor (705) a probe assembly (704), a bayonet assembly (703) installed in the middle of the edge measuring frame, The side-testing probe assembly (704) includes a plurality of sets of probe pieces, a fixing bracket connected with the pressing motor (705), and a probe adjusting motor (706) mounted on the fixing bracket. The probe piece includes two probes, one of which is fixed on the fixed bracket, and the other is installed on the probe adjustment motor (706) through a movable bracket; The bayonet assembly (703) includes a plurality of sets of bayonet pieces, a bayonet adjusting motor (701) fixed on the edge measuring frame, and a guide bar mounted on the edge measuring frame and passing through the bayonet adjusting motor (701) For a movable movable plate, each group of the bayonet pieces includes two bayonets, one of which is fixed on the edge measuring frame, and the other is connected with the movable plate through a spring. 6. The fully automatic voltage internal resistance testing system according to claim 1, wherein the tab shaping mechanism (8) comprises a shaping frame and a jacking motor (805) fixed on the shaping frame and a shaping motor (806), a movable frame mounted on the lateral slide rail of the shaping frame and connected with the shaping motor (806), a pressing motor (807) installed on the movable frame, A shaping support plate (804) driven by the vertical slide rail of the shaping rack and driven by the lifting motor (805); A shaping roller assembly (803), the shaping roller assembly (803) includes a plurality of groups of shaping rollers, a fixing bracket connected with the pressing motor (807), and a shaping adjusting motor mounted on the fixing bracket, each set of The shaping roller includes two rollers, one of which is fixed on the fixed bracket, and the other is installed on the shaping adjustment motor through a movable bracket; The cell body temperature testing mechanism includes a lifting cylinder (801) installed in the mounting hole of the shaping rack, a mounting frame connected to the bottom of the lifting cylinder (801), and a thermometer (801) installed on the mounting frame. 802), the cell body temperature testing mechanism and the tab shaping mechanism (8) share a working position. 7. The fully automatic voltage internal resistance testing system according to claim 1, wherein the cell voltage internal resistance testing mechanism (13) comprises a test rack, a second regulator fixed on the test rack A motor (1303), a mounting seat mounted on the test rack guide rail and driven by a second adjusting motor (1303), a lifting motor (1301) and a lowering cylinder (1306) mounted on the mounting seat, mounted on the mounting seat A test pallet (1304) driven by the lift motor (1301) in the guide hole of the seat, and a test probe assembly (1305) installed in the guide hole of the mounting seat and driven by the pressing cylinder (1306), so The test probe assembly (1305) includes a fixing frame connected with the pressing cylinder (1306), a first adjusting motor (1302) mounted on the fixing frame, and a plurality of sets of probes, each set of the probes comprising two probe bodies, one of which is fixed on the fixed frame, and the other is installed on the first adjusting motor (1302) through a movable frame; The code scanning mechanism (18) includes a code scanning frame (1801), an adjustment frame mounted on the code scanning frame (1801) and capable of moving along a code scanning guide rail (1802), and a scanning frame installed on the adjustment frame. A code gun (1804) and a telescopic cylinder (1803) capable of driving the code scanning gun (1804) to switch positions, the code scanning mechanism (18) and the cell voltage internal resistance testing mechanism (13) share a working position . 8 . The fully automatic voltage internal resistance testing system according to claim 1 , wherein the turntable mechanism (9) comprises a turntable body, a drive motor that drives the turntable body to rotate and is connected through a reducer, and is arranged in the The suction cup fixture (902) on the turntable body, the turntable body has four working positions, namely the material loading position, the temperature test position of the shaping mechanism, the scanning code internal resistance test position and the lowering position, each of the working positions There are two suction cup clamps (902). 9. The fully automatic voltage internal resistance testing system according to claim 1, wherein the NG collection box (12) comprises an upper material box (1203) with an inner rack at the bottom, and a bottom with an outer rack at the bottom. A lower material box (1202), a telescopic cylinder (1201) fixed under the outer rack and used for driving the outer rack to reciprocate, located between the outer rack and the inner rack and connected to the inner rack A gear in which both the side rack and the outer rack are meshed. 10. The fully automatic voltage internal resistance testing system according to claim 1, characterized in that, the unloading sorting robot (10) and the loading sorting visual positioning monitoring robot (4) grab two pieces at a time. Each battery cell, the unloading and sorting robot (10) and the loading and sorting visual positioning monitoring robot (4) are also provided with a waiting station for temporary placement of odd-numbered good products.

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