CN117289150A

CN117289150A - Power lithium battery testing device

Info

Publication number: CN117289150A
Application number: CN202311246845.4A
Authority: CN
Inventors: 艾团发; 谭小菊; 邓顺光; 祝肖肖
Original assignee: Shanghai Yubin Intelligent Technology Co ltd
Current assignee: Shanghai Yubin Intelligent Technology Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2023-12-26

Abstract

The invention relates to the technical field of battery testing equipment, in particular to a power lithium battery testing device which comprises an adjusting piece and two ring frames, wherein a bracket is rotatably arranged between the two ring frames, a tray for placing a power lithium battery is slidably arranged on the bracket, a clamping ring matched with the tray to fix the power lithium battery is arranged on the bracket, the adjusting piece is arranged on one ring frame, a moving block is slidably arranged on the adjusting piece, a testing part is arranged on the moving block, and the testing part comprises a ball block and an impact rod. According to the testing device disclosed by the invention, the lithium batteries are clamped in batches, so that the batteries with different shapes and different diameters are clamped, the rear bracket can be rotated to adjust the side faces of the lithium batteries to be upward, the comprehensive testing of the lithium batteries is facilitated, the flatness and the pressure of the lithium batteries are tested, the finished product effect of the lithium batteries is ensured, the lithium batteries are tested through the testing component, the power lithium batteries can be comprehensively tested, and compared with the prior art, the pressure testing of the power lithium batteries can be tested.

Description

Power lithium battery testing device

Technical Field

The invention relates to the technical field of battery testing equipment, in particular to a power lithium battery testing device.

Background

Lithium batteries are now used in battery-powered vehicles for greater use with the advantages of high voltage and light weight.

In the prior art, the application number is as follows: 2021111637992 is disclosed by the name: the lithium battery automatic testing machine comprises a testing device for testing and conveying lithium batteries; the feeding device is connected with the feeding end of the testing device and is used for supplying lithium batteries to the testing device; the aging device is used for aging and charging the lithium battery; the lithium battery automatic test machine further comprises: the pin cutting device is connected with the discharge end of the testing device and is used for carrying out electrified trimming on pins of the lithium battery tested by the testing device; and the material receiving device is connected with the pin cutting device and is used for recovering and arranging the lithium battery after the pins are trimmed by the pin cutting device.

After the lithium battery is prepared, the surface smoothness of the lithium battery can influence the later assembly precision of the battery, and the system detection is needed when the battery leaves a factory, but in the prior art, if the application number is: 2021111637992, in which the test operation of pressure and battery surface smoothness cannot be performed on lithium batteries in batch during the test of lithium batteries, there is a need to design a device for comprehensively testing power lithium batteries.

Disclosure of Invention

The invention aims to provide a power lithium battery testing device which aims to solve the problems in the prior art.

The aim of the invention can be achieved by the following technical scheme:

the utility model provides a power lithium battery testing arrangement, testing arrangement includes regulating part and two ring frames, rotates between two ring frames and is equipped with the bracket, and the slip is equipped with the tray that is used for placing power lithium battery on the bracket, installs the grip ring of fixed power lithium battery with the cooperation of tray on the bracket.

The adjusting piece is arranged on a ring frame, a moving block is arranged on the adjusting piece in a sliding mode, a testing component is arranged on the moving block, and the testing component comprises a ball block for testing the surface flatness of the lithium battery and an impact rod for testing the compression resistance of the lithium battery.

Further, the ring frames are rotatably provided with shaft rods, the shaft rods are connected with the U-shaped frames, a motor I for connecting the driving shaft rods is fixedly connected to one ring frame, and a mounting block is fixedly connected to the other ring frame.

Further, the bracket comprises a U-shaped frame, two sliding rails for installing the tray are fixedly connected to the U-shaped frame, a connecting frame is fixedly connected to one end of each sliding rail, a first spring is fixedly connected to the other end of each sliding rail, a first cylinder is fixedly connected to the connecting frame, and one end of each first spring is connected with the tray.

The tray is symmetrically provided with an opening straight groove, the opening straight groove is provided with a plurality of grooves, a separation block used for fixing the power lithium battery is arranged in the opening straight groove, the tray is provided with a through hole, and a threaded hole is formed in the through hole.

Further, the separation block is fixedly connected with a ring plate, the groove is matched with the ring plate, an L-shaped hole is formed in the tray, a tensioning screw which is horizontally arranged is connected in the L-shaped hole in a threaded mode, and a vertically arranged locking block is arranged in the L-shaped hole in a sliding mode and used for fixing the separation block in a butt joint with the separation block.

Further, the lower end of the locking block is provided with an inclined plane which is in sliding connection with the tensioning screw, a baffle is arranged on the outer side of the tray, one side of the baffle is fixedly connected with a sliding rod which is in sliding connection with the tray, the sliding rod is in sliding connection with the tray, and a second spring used for connecting the sliding rod is fixedly connected on the tray.

Further, the clamping ring both ends rigid coupling has the connecting rod, and the connecting rod links to each other with the through-hole, and connecting rod one side array is equipped with the locating hole, and the bolt passes screw hole and locating hole cooperation, cylinder one with the locating hole butt, clamping ring both sides are equipped with the dovetail groove that is used for fixed power lithium cell.

Further, the regulating part comprises a support, the support is connected with the mounting block, a hydraulic cylinder is fixedly arranged on the support, the output end of the hydraulic cylinder is connected with a regulating frame, a second cylinder which is horizontally arranged is fixedly connected on the regulating frame, and the output end of the second cylinder is connected with a mounting plate.

One side of the mounting plate is fixedly connected with a U-shaped block, a guide rod for sliding mounting of the moving block is fixedly connected on the U-shaped block, a motor II is fixedly connected on the mounting plate, a driving arm is fixedly connected at the output end of the motor II, and a vertical rod which is vertically arranged is fixedly connected at one end of the driving arm, which is far away from the motor II.

Further, be equipped with the straight flute on the movable block, the straight flute cooperates with the pole setting, the rigid coupling has the connecting rod on the movable block, the rigid coupling has the U-shaped board on the connecting rod, U-shaped board both ends are equipped with the V-arrangement groove, and the array rigid coupling has the sensor on the U-shaped board, and the fastening is equipped with the straight-bar in the U-shaped board.

The straight rod is connected with a ball block in a sliding mode, the ball block is connected with the surface of the battery in a supporting mode to test flatness, the ball block is correspondingly arranged below the sensor, the ball block is monitored through the sensor, one side of the ball block is fixedly connected with a spring III, and the spring III is sleeved on the straight rod and connected with the U-shaped plate.

Further, a built-in groove is formed in the connecting rod, a V-shaped rod is rotationally arranged in the built-in groove, a spring IV is symmetrically fixedly connected to the V-shaped rod, the spring IV is fixedly connected with the built-in groove, an impact rod is fixedly connected to the end portion of the V-shaped rod, and a motor III is fixedly arranged on one side of the connecting rod.

And the three output ends of the motor are fixedly connected with cams, and the cams are arranged on the V-shaped rod and used for driving the V-shaped rod to move so as to control the impact rod to test the surface of the battery.

The invention has the beneficial effects that:

1. according to the testing device, the lithium batteries are clamped in batches, so that the batteries with different shapes and different diameters are clamped, the rear bracket can rotate to adjust the side faces of the lithium batteries to face upwards, the lithium batteries are tested comprehensively, the flatness and the pressure of the lithium batteries are tested, and the finished product effect of the lithium batteries is ensured;

2. according to the testing device, the lithium battery can be tested comprehensively through the testing component, and compared with the prior art, the pressure test of the power lithium battery can be tested, so that the power lithium battery is ensured to have enough compressive strength, and expansion deformation or explosion is avoided in actual use.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a portion of the structure of the testing device of the present invention;

FIG. 3 is an enlarged schematic view of the test device according to the present invention;

FIG. 4 is a schematic view of a partial cross-sectional structure of a pallet of the present invention;

FIG. 5 is a schematic view of the structure of the clamping ring of the present invention;

FIG. 6 is a schematic view of the structure of the adjusting member of the present invention;

FIG. 7 is a schematic cross-sectional view of a test part of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The utility model provides a power lithium cell testing arrangement, as shown in fig. 1, testing arrangement includes two ring frames 1, and the support column is installed to the below of ring frame 1, does not show the support column in the figure, and the support column is used for supporting testing arrangement, is provided with bracket 2 between two ring frames 1, has placed a plurality of power lithium cell on the bracket 2, and bracket 2's top is provided with grip ring 5, and grip ring 5 sets up in the top of the power lithium cell that waits to test, compresses tightly the power lithium cell.

An adjusting part 3 is arranged on one ring frame 1, a moving block 4 is arranged on the adjusting part 3, the moving block 4 is positioned above the power lithium battery, a testing part is arranged on the moving block 4, and the testing part tests the surface evenness and the pressure resistance of the power lithium battery.

As shown in fig. 2, the bracket 2 includes a U-shaped frame 21, two sliding rails 22 are fixedly arranged on the U-shaped frame 21, a connecting frame 221 is fixedly arranged at one end of the sliding rail 22, a first cylinder 220 is fixedly arranged on the connecting frame 221, the first cylinder 220 is a top-moving cylinder, a first spring 222 is fixedly arranged at the other end of the sliding rail 22, a tray 23 capable of translating on the sliding rail 22 is mounted on the sliding rail 22, and one end of the first spring 222 is fixedly connected with the end face of the tray 23.

The tray 23 is provided with symmetrically distributed open straight grooves 24, the open straight grooves 24 can be used for storing a plurality of power lithium batteries, the open straight grooves 24 are provided with a plurality of grooves, separation blocks 25 are installed in the grooves, the separation blocks 25 are used for separating adjacent power lithium batteries, the power lithium batteries are prevented from sliding in the open straight grooves 24, the tray 23 is provided with through grooves 26, and the through grooves 26 are used for testing one sides of the power lithium batteries by a testing component.

The tray 23 is provided with a through hole 231, a threaded hole is formed in the through hole 231, as shown in fig. 3 and 4, a ring plate 251 is clamped in the groove, the ring plate 251 is fixedly connected with the separation block 25, an L-shaped hole 28 is formed in one side of the tray 23, which is positioned on the opening straight groove 24, a tensioning screw is connected with the horizontal section of the L-shaped hole 28 in a threaded manner, and a locking block 29 is arranged on the vertical section of the L-shaped hole 28 in a sliding manner.

The upper end of the locking block 29 abuts against the lower end of the separation block 25 to fix the separation block 25, and the lower end of the locking block 29 is provided with an inclined surface which is in sliding contact with the end of the tensioning screw, and the tensioning screw is rotated to move into the L-shaped hole 28 to move the locking block 29 upward.

The outside of tray 23 is provided with baffle 27, and baffle 27 presss from both sides the power lithium cell tip that the level was placed admittedly, and one side of baffle 27 is fixed to be equipped with the slide bar 271, slide bar 271 and tray 23 sliding connection, and the fixed spring two 272 that is equipped with on the tray 23, the one end and the tray 23 fixed connection of spring two 272, and the other end and slide bar 271 fixed connection make baffle 27 and the inseparable butt of power lithium cell tip.

As shown in fig. 2, the ring frames 1 are rotatably provided with shaft rods 11, the shaft rods 11 are fixedly connected with the side surfaces of the U-shaped frames 21, a first motor 10 is fixedly arranged on one ring frame 1, the output end of the first motor 10 is fixedly connected with the shaft rods 11 to drive the bracket 2 to rotate, so that the power lithium battery can be turned over, the two sides of the power lithium battery can be conveniently tested, and the mounting blocks 12 are fixedly arranged on one ring frame 1.

As shown in fig. 5, connecting rods 51 are fixedly arranged at two ends of the clamping ring 5, the connecting rods 51 are slidably connected with the through holes 231, positioning holes 52 distributed in an array are formed in one side of the connecting rods 51, bolts penetrate through threaded holes to be matched with the positioning holes 52, the clamping ring 5 is fixed, after the output end of the first cylinder 220 is inserted into the positioning holes 52, the clamping ring 5 and the tray 23 are jacked, the testing position of the tray 23 can be finely adjusted, trapezoid grooves 53 are formed in two sides of the clamping ring 5, and the clamping ring can clamp power lithium batteries and is convenient to fix the power lithium batteries with different diameters.

As shown in fig. 6, the adjusting member 3 includes a bracket 31, the bracket 31 is fixedly connected with the mounting block 12, an adjusting bracket 32 is provided on the bracket 31, a hydraulic cylinder 30 is connected below the adjusting bracket 32, an output end of the hydraulic cylinder 30 is fixedly connected with the adjusting bracket 32, the adjusting bracket 32 is driven to move up and down, a second cylinder 33 is fixedly provided on the adjusting bracket 32, and a mounting plate 34 is provided on one side of the adjusting bracket 32.

The mounting plate 34 is fixedly connected with the output end of the second air cylinder 33, a U-shaped block 341 is fixedly arranged on one side of the mounting plate 34, a guide rod 342 is fixedly arranged on the U-shaped block 341, a second motor 350 is fixedly arranged on the mounting plate 34, the output end of the second motor 350 is connected with a driving arm 351, and a vertical rod 352 is fixedly arranged at one end, far away from the second motor 350, of the driving arm 351.

The movable block 4 is slidably arranged on the guide rod 342, the movable block 4 is provided with a straight groove 41, the straight groove 41 is slidably connected with the vertical rod 352, the driving arm 351 is rotated, the vertical rod 352 can slide back and forth in the straight groove 41, the movable block 4 is driven to translate, the movable block 4 is fixedly provided with a connecting rod 42, the connecting rod 42 is fixedly provided with a U-shaped plate 43, two ends of the U-shaped plate 43 are provided with V-shaped grooves 44 for being attached to the side face of a lithium battery, and the U-shaped plate 43 is fixedly provided with sensors 45 distributed in an array.

And the straight rod 431 is fixedly arranged in the U-shaped plate 43, the straight rod 431 is provided with the ball block 46 in a sliding manner, the ball block 46 is correspondingly positioned below the sensor 45, the sensor 45 monitors the position of the ball block 46, one side of the ball block 46 is connected with the third spring 432, the third spring 432 is sleeved on the straight rod 431, one end, far away from the ball block 46, of the third spring 432 is fixedly connected with the U-shaped plate 43, and when the V-shaped groove 44 is attached to the side face of the power lithium battery, the ball block 46 is also abutted to the side face of the power lithium battery.

And the connecting rod 42 is provided with an internal groove 421, the internal groove 421 is rotationally provided with a V-shaped rod 47, the V-shaped rod 47 is fixedly provided with four symmetrically distributed springs 422, the four springs 422 are fixedly connected with the top end of the internal groove 421, the end part of the V-shaped rod 47 is fixedly provided with an impact rod 48, and the impact rod 48 can extrude the side surface of the electric lithium battery when the V-shaped rod 47 rotates to test the pressure resistance degree of the side wall of the electric lithium battery.

And a third motor 490 is fixedly arranged on one side of the connecting rod 42, the output end of the third motor 490 is fixedly connected with a cam 49, the cam 49 is positioned on the V-shaped rod 47, one side of the V-shaped rod 47 can be pressed down by rotating the cam 49, a fourth spring 422 on the other side is extruded, then the cam 49 continues to rotate, and the fourth spring 422 on the other side releases pressure, so that the V-shaped rod 47 rotates back and forth, and the two impact rods 48 impact the side face of the power lithium battery back and forth.

Working principle:

in this embodiment, the number of power lithium batteries to be detected prevents the power lithium batteries from being between the two separation blocks 25, after the power lithium batteries are stabilized and firm, the clamping ring 5 is fixed above the power lithium batteries, and then is connected with the positioning hole 52 through the bolt, so as to fix the clamping ring 5, and thereafter, the motor 10 drives the bracket 2 to rotate, so as to adjust the detection surface of the power lithium batteries.

The hydraulic cylinder 30 controls the test part to move up and down so that the V-shaped groove 44 is attached to the side face of the power lithium battery, the V-shaped groove 44 can translate on the surface of the power lithium battery through the control of the second cylinder 33, the ball 46 is slid on the surface of the power lithium battery, if the surface of the power lithium battery has swelling abnormal shape, the ball 46 can be moved, meanwhile, the third spring 432 is stretched or compressed, after the ball 46 is shifted, the sensor 45 can not monitor the corresponding ball 46, namely, the position deviation information of the ball 46 is sent out, and the abnormal shape on the surface of the power lithium battery is judged.

After the surface flatness of the power lithium battery is tested, the cam 49 is rotated, the cam 49 is utilized to press and move the V-shaped rod 47, so that the V-shaped rod 47 swings back and forth, the two impact rods 48 test the power lithium battery, the pressure resistance of the power lithium battery is tested, after one side of the power lithium battery is tested, the bracket 2 can be controlled to rotate, the other side of the power lithium battery is regulated and controlled to test, and the surface smoothness and the pressure resistance of the power lithium battery are comprehensively tested.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims

1. The power lithium battery testing device is characterized by comprising an adjusting piece (3) and two ring frames (1), wherein a bracket (2) is rotatably arranged between the two ring frames (1), a tray (23) for placing a power lithium battery is slidably arranged on the bracket (2), and a clamping ring (5) matched with the tray (23) to fix the power lithium battery is arranged on the bracket (2);

the adjusting piece (3) is arranged on a ring frame (1), the moving block (4) is arranged on the adjusting piece (3) in a sliding mode, the testing part is arranged on the moving block (4), and the testing part comprises a ball block (46) for testing the surface flatness of the lithium battery and an impact rod (48) for testing the compression resistance of the lithium battery.

2. The power lithium battery testing device according to claim 1, wherein the ring frames (1) are rotatably provided with shaft rods (11), the shaft rods (11) are connected with the U-shaped frames (21), one ring frame (1) is fixedly connected with a motor I (10) for connecting the driving shaft rods (11), and the other ring frame (1) is fixedly connected with a mounting block (12).

3. The power lithium battery testing device according to claim 2, wherein the bracket (2) comprises a U-shaped frame (21), two sliding rails (22) for installing a tray (23) are fixedly connected to the U-shaped frame (21), a connecting frame (221) is fixedly connected to one end of the sliding rails (22), a first spring (222) is fixedly connected to the other end of the sliding rails, a first cylinder (220) is fixedly connected to the connecting frame (221), and one end of the first spring (222) is connected with the tray (23);

the tray (23) is symmetrically provided with an opening straight groove (24), the opening straight groove (24) is provided with a plurality of grooves, a separation block (25) for fixing the power lithium battery is arranged in the opening straight groove (24), the tray (23) is provided with a penetrating groove (26), the tray (23) is provided with a penetrating hole (231), and a threaded hole is formed in the penetrating hole (231).

4. A power lithium battery testing device according to claim 3, characterized in that the separation block (25) is fixedly connected with a ring plate (251), the groove is matched with the ring plate (251), the tray (23) is provided with an L-shaped hole (28), the L-shaped hole (28) is internally connected with a tensioning screw which is horizontally arranged, the L-shaped hole (28) is internally and slidably provided with a locking block (29) which is vertically arranged, and the locking block (29) for fixing the separation block (25) is abutted with the separation block (25).

5. The power lithium battery testing device according to claim 4, wherein an inclined plane is arranged at the lower end of the locking block (29), the inclined plane is slidably connected with the tensioning screw, a baffle plate (27) is arranged on the outer side of the tray (23), a sliding rod (271) slidably connected with the tray (23) is fixedly connected to one side of the baffle plate (27), the sliding rod (271) is slidably connected with the tray (23), and a second spring (272) for connecting the sliding rod (271) is fixedly connected to the tray (23).

6. A power lithium battery testing device according to claim 3, wherein connecting rods (51) are fixedly connected to two ends of the clamping ring (5), the connecting rods (51) are connected with the through holes (231), positioning holes (52) are formed in an array on one side of each connecting rod (51), bolts penetrate through the threaded holes to be matched with the positioning holes (52), the first air cylinder (220) is abutted to the positioning holes (52), and trapezoid grooves (53) for fixing the power lithium battery are formed in two sides of the clamping ring (5).

7. The power lithium battery testing device according to claim 2, wherein the adjusting piece (3) comprises a bracket (31), the bracket (31) is connected with the mounting block (12), a hydraulic cylinder (30) is fixedly arranged on the bracket (31), an output end of the hydraulic cylinder (30) is connected with an adjusting frame (32), a cylinder II (33) which is horizontally arranged is fixedly connected on the adjusting frame (32), and an output end of the cylinder II (33) is connected with the mounting plate (34);

a U-shaped block (341) is fixedly connected to one side of the mounting plate (34), a guide rod (342) for sliding mounting of the moving block (4) is fixedly connected to the U-shaped block (341), a motor II (350) is fixedly connected to the mounting plate (34), a driving arm (351) is fixedly connected to the output end of the motor II (350), and a vertical rod (352) which is vertically arranged is fixedly connected to one end, far away from the motor II (350), of the driving arm (351).

8. The power lithium battery testing device according to claim 7, wherein the moving block (4) is provided with a straight groove (41), the straight groove (41) is matched with the vertical rod (352), the moving block (4) is fixedly connected with a connecting rod (42), the connecting rod (42) is fixedly connected with a U-shaped plate (43), two ends of the U-shaped plate (43) are provided with V-shaped grooves (44), the U-shaped plate (43) is fixedly connected with a sensor (45) in an array manner, and a straight rod (431) is fixedly arranged in the U-shaped plate (43);

the straight rod (431) is connected with a ball block (46) in a sliding mode, the ball block (46) is abutted to the surface of the battery to test flatness, the ball block (46) is correspondingly arranged below the sensor (45), the ball block (46) is monitored through the sensor (45), one side of the ball block (46) is fixedly connected with a spring III (432), and the spring III (432) is sleeved on the straight rod (431) and connected with the U-shaped plate (43).

9. The power lithium battery testing device according to claim 8, wherein the connecting rod (42) is provided with a built-in groove (421), a V-shaped rod (47) is rotationally arranged in the built-in groove (421), a spring four (422) is symmetrically fixedly connected to the V-shaped rod (47), the spring four (422) is fixedly connected with the built-in groove (421), an impact rod (48) is fixedly connected to the end part of the V-shaped rod (47), and a motor three (490) is fixedly arranged on one side of the connecting rod (42);

and the output end of the motor III (490) is fixedly connected with a cam (49), and the cam (49) is arranged on the V-shaped rod (47) and used for driving the V-shaped rod (47) to move so as to control the impact rod (38) to test the surface of the battery.