CN209327541U - Cell piece efficiency detection device - Google Patents

Abstract

The utility model discloses a kind of cell piece efficiency detection devices, including the mechanism for testing detected for the efficiency to cell piece, the mechanism for testing includes probe assembly and vertical plate, the vertical plate is symmetricly set on the opposite end of the probe assembly, and the both ends of the probe assembly are separately positioned on the vertical plate of corresponding side.The cell piece efficiency detection device structure is simple, and the both ends of the probe assembly of mechanism for testing are both supported upon on vertical plate, so that mechanism for testing has preferable stability of equilibrium, can reduce the mechanical fatigue of mechanism for testing.

Description

Cell efficiency detection device

technical field

The utility model relates to the field of cell manufacturing, in particular to a cell efficiency detection device.

Background technique

After the positive and negative electrodes are made, the cells need to be divided into various grades according to their own power generation efficiency, so as to facilitate subsequent assembly and determine the price of the cells. After the efficiency grades are distinguished, the finished cells can be packaged. The device can test the efficiency of the battery and distinguish which efficiency range the battery belongs to. The pricing of the battery is also determined by the efficiency of the battery.

The test mechanism for detecting the efficiency of the cell includes a probe assembly. In the prior art, the probe assembly is cantilevered on the bracket, so the way of fixing the probe assembly is poor in balance and stability. In the same load transmission, the cantilever structure prone to mechanical fatigue.

Utility model content

The purpose of the utility model is to propose an improved cell efficiency detection device aiming at the problems existing in the prior art.

In order to achieve the above object, the utility model adopts the following technical solutions:

A cell efficiency detection device, comprising a test mechanism for detecting the efficiency of the cell, the test mechanism includes a probe assembly and a vertical plate, and the vertical plate is symmetrically arranged at opposite ends of the probe assembly , the two ends of the probe assembly are respectively arranged on the vertical plate on the corresponding side.

Preferably, both ends of the probe assembly are arranged on the vertical plate on the corresponding side so as to be able to slide up and down.

Further, the testing mechanism also includes guide rails extending in the up and down direction, the guide rails are respectively fixed on the vertical plates located at both ends of the probe assembly, each of the guide rails is provided with a The guide block slides in the length extension direction of the guide rail, and the two ends of the probe assembly are respectively fixed on the guide block on the corresponding side.

Furthermore, the probe assembly includes an upper fixing frame, a plurality of upper probes fixedly arranged on the upper fixing frame, a lower fixing frame, and a plurality of lower probes fixedly arranged on the lower fixing frame, The guide block includes an upper guide block that can slide up and down on the upper part of the guide rail and a lower guide block that can slide up and down on the lower part of the guide rail, and the two ends of the upper fixing frame are respectively fixed on the corresponding sides On the upper guide block, both ends of the lower fixing frame are respectively fixed on the lower guiding block on the corresponding side. When testing the efficiency of the battery sheet, the upper fixing frame and the lower fixing frame The sliding direction of the fixed frame is opposite.

Preferably, the cell efficiency detection device further includes a main transmission mechanism, and the main transmission mechanism includes a rotary table rotatably provided on the machine platform and a plurality of work platforms provided on the rotary table , the rotary table drives each of the working platforms to rotate, and there are sequentially provided with a loading station, a testing station and a blanking station, and the rotary table can drive each of the working platforms to rotate sequentially to the The loading station, the testing station and the unloading station, the testing mechanism is arranged at the testing station.

Preferably, the cell efficiency detection device further includes a feeding mechanism, which can transport the cell to the working platform and press the cell to the working platform.

Further, the feeding mechanism includes a suction cup and a lifting part, the suction cup is used to suck the battery sheet and transport the battery sheet to the working platform at the loading station, and the lifting part can drive the The suction cup lifts up and down to press the battery sheet and the working platform tightly.

Furthermore, the loading mechanism also includes a horizontally slidable bracket, and the lifting component is arranged on the bracket.

A specific embodiment, the feeding mechanism also includes a driving mechanism for driving the sliding of the bracket, and the driving mechanism includes at least two synchronous wheels and a synchronous belt arranged on the two synchronous wheels, wherein One of the synchronous wheels is driven to rotate by a motor, and the bracket is fixedly connected to the synchronous belt.

Preferably, the cell efficiency detection device further includes a conveying device for conveying the cell before testing the cell, and the conveying device is a belt conveying mechanism.

The utility model adopts the above scheme, and has the following advantages compared with the prior art:

The cell efficiency detection device of the utility model has a simple structure, and both ends of the probe assembly of the testing mechanism are supported on the vertical plate, so that the testing mechanism has better balance and stability, and the mechanical fatigue of the testing mechanism can be reduced.

Description of drawings

In order to illustrate the technical solution of the utility model more clearly, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the utility model. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

Fig. 1 is a three-dimensional schematic diagram of a cell efficiency detection device of the present invention under a viewing angle;

Fig. 2 is a schematic perspective view of the cell efficiency detection device shown in Fig. 1 at another viewing angle;

Fig. 3 is a three-dimensional schematic diagram of the feeding mechanism in Fig. 1;

Fig. 4 is the front view of the feeding mechanism shown in Fig. 3;

Fig. 5 is a top view of the feeding mechanism shown in Fig. 3;

Fig. 6 is a three-dimensional schematic diagram of the testing mechanism in Fig. 1;

Fig. 7 is the front view of the testing mechanism shown in Fig. 6;

Fig. 8 is a three-dimensional schematic diagram of the withdrawable mechanism in Fig. 1;

FIG. 9 is a top view of the withdrawable mechanism shown in FIG. 8 .

In the above drawings,

100. Machine platform; 1. Conveying device; 2. Feeding mechanism; 20. Mounting seat; 21. Bracket; 22. Lifting component; 23. Suction cup; 24. Driving mechanism; 240. Motor; Synchronous belt; 30, rotary table; 31, working platform; 4, testing mechanism; 41, vertical plate; 42, upper fixed frame; 43, lower fixed frame; 44, upper probe; 45, lower probe; 46, Upper drive mechanism; 47, lower drive mechanism; 48, guide rail; 491, upper guide block; 492, lower guide block; 5, withdrawable mechanism; 51, slide rail; 52, slide block; 53, solar simulator; 6 , blanking mechanism; 61, suction cup; 7, blanking conveying device.

Detailed ways

The preferred embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art.

As shown in Figure 1-9, a cell efficiency detection device is used to test the efficiency of cells. The cell efficiency detection device includes a machine platform 100, a main transmission mechanism and a testing mechanism 4 arranged on the machine platform 100, a plurality of work platforms 31 arranged on the main transmission mechanism, and a plurality of work platforms 31 for moving the battery pieces to the work platform 31. The feeding mechanism 2. The main transmission mechanism is used to drive the working platform 31 to move in the horizontal plane, and the working platform 31 is used to carry the cells and move the cells to the testing mechanism 4 and so on. The cell efficiency detection device also includes a conveying device 1 , and the feeding mechanism 2 can transport the cells on the conveying device 1 to the working platform 31 and press the cells and the working platform 31 tightly.

Specifically, the main transmission mechanism includes a rotary table 30 rotatably arranged on the machine platform 100, and a plurality of work platforms 31 are fixedly arranged on the rotary table 30, and the rotary table 30 drives each work platform 31 to rotate in the horizontal plane The track on the track is provided with a loading station, a testing station and a blanking station in sequence, and the rotary table 30 can drive each work platform 31 to sequentially rotate to the loading station, the testing station and the blanking station.

Each working platform 31 is equipped with a vacuum adsorption mechanism for absorbing the cells. The upper end surface of the working platform 31 is provided with vacuum holes. The vacuum adsorption mechanism can make each vacuum hole generate a vacuum, thereby adsorbing the cells on the working platform. 31 on.

In this embodiment, a preparatory station is provided on the track along which the rotary table 30 drives each working platform 31 to rotate, and the preparatory station is located between the loading station and the unloading station. The loading station, testing station, unloading station and preparation station are evenly distributed along the circumferential direction of the rotation of the rotary table 30 .

Correspondingly, there are four working platforms 31, and the four working platforms 31 are arranged at equal intervals along the circumferential direction of the rotary table 30 and deviate from the rotation center line of the rotary table 30 by a certain distance. After being on the working platform 31 at the loading station, the rotary working platform 30 is rotated 90 degrees, and the cell is rotated to the testing mechanism 4 .

Referring to Figures 3-5, the feeding mechanism 2 includes a suction cup 23 for sucking the battery slices and a lifter 22 for pressing the battery slices onto the working platform 31. The suction cup 23 is used for sucking the battery slices and pressing the battery slices After being transported to the working platform 31 , the lifting part 22 can drive the suction cup 23 to lift up and down to press the battery sheet with the working platform 31 . Wherein, the lifting component 22 is an air cylinder, and the air cylinder 22 is connected with a suction cup 23 , and the suction cup 23 is set so as to be movable relative to the machine table 100 . Specifically in this embodiment, the feeding mechanism 2 includes a bracket 21 that can slide relative to the machine platform 100 , the lifting component 22 is disposed on the bracket 21 , and the suction cup 23 is disposed on the lifting component 22 .

The feeding mechanism 2 further includes a driving mechanism 24 for driving the bracket 21 to slide relative to the machine table 100 . Specifically, the feeding mechanism 2 includes a mounting base 20, the mounting base 20 is fixed on the machine table 100, the bracket 21 is slidably disposed on the mounting base 20, and the driving mechanism 24 includes two rotatably disposed on the mounting base 20. A synchronous wheel 241 and a synchronous belt 242 arranged on the two synchronous wheels 241, wherein one synchronous wheel 241 is driven to rotate by a motor 240, and the bracket 21 is fixedly connected to the synchronous belt 242. As the motor 240 runs, the synchronous wheel 241 rotates, and the synchronous belt 242 moves to drive the bracket 21 to move relative to the mounting seat 20 , and the suction cup 23 on the bracket 21 moves accordingly.

The test mechanism 4 is arranged at the test station position. The test mechanism 4 includes two vertical plates 41 symmetrically arranged on the machine platform 100 and a probe assembly arranged between the two vertical plates 41. The two ends of the probe assembly They are arranged on the vertical plate 41 on the corresponding side so as to be able to slide up and down.

The test mechanism 4 also includes guide rails 48 extending in the up and down direction. The guide rails 48 are respectively fixed on the vertical plates 41 located at the two ends of the probe assembly. block, and the two ends of the probe assembly are respectively fixedly arranged on the guide block on the corresponding side.

Specifically, the probe assembly includes an upper fixed frame 42 arranged between two vertical plates 41, a number of upper probes 44 extending downwards on the upper fixed frame 42, a lower fixed frame 43, and a lower fixed frame arranged on the lower fixed frame. Some lower probes 45 extending upward on 43, the guide block includes an upper guide block 491 that can slide up and down on the top of the guide rail 48 and a lower guide block 492 that can slide up and down on the bottom of the guide rail 48, and the two ends of the upper fixed mount 42 Both ends of the lower fixing frame 43 are respectively fixed on the lower guide block 492 on the corresponding side. When the working platform 31 rotates to the testing station position with the rotary working platform 30 , the working platform 31 is located between the upper probe 44 and the lower probe 45 . The test mechanism 4 also includes an upper drive mechanism 46 for driving the upper fixed frame 42 to slide up and down, and a lower drive mechanism 47 for driving the lower fixed frame 43 to move up and down. The upper drive mechanism 46 and the lower drive mechanism 47 are arranged side by side on the vertical plate 41 On, the upper driving mechanism 46 and the lower driving mechanism 47 are lift cylinders respectively.

The cell efficiency detection device also includes a drawable mechanism 5, which includes a solar simulator 53, and the solar simulator 53 provides a light source when the test mechanism 4 performs efficiency detection. When the cell efficiency is detected, the solar energy The simulator 53 is located at the test station position, and the solar simulator 53 can be arranged respectively above and below the cell at the test station position, so that the double-sided efficiency of the cell can be detected simultaneously, or the solar simulator 53 is only arranged above or below the battery sheet at the position of the test station, so that the single-sided efficiency of the battery sheet can be detected.

The solar simulator 53 is slidably arranged relative to the machine platform 100 . Specifically, the withdrawable mechanism 5 also includes a pair of parallel slide rails 51 fixedly arranged on the lower part of the machine table 100 and a slide block 52 slidingly matched with the slide rails 51, and the slide block 52 is slidably arranged on the slide rails 51. , the solar simulator 53 is set on the slider 52 . The withdrawable mechanism 5 also includes a sliding cylinder for driving the sliding block 52 to move relative to the sliding rail 51 .

The cell efficiency detection device also includes a material unloading mechanism 6 and a material unloading conveying device 7 , the unloading mechanism 6 is used to move the tested battery slices on the working platform 31 to the unloading conveying device 7 . Wherein, the conveying device 1 and the unloading conveying device 7 are respectively located on opposite sides of the machine platform 100 and facing a working platform 31 respectively. The unloading mechanism 6 also includes a suction cup 62 , which is set movably relative to the machine platform 100 . Unlike the loading mechanism 2 , the unloading mechanism 6 does not include lifting components.

The working process of the cell efficiency detection device of the present utility model is as follows:

The battery slices are conveyed by the conveying device 1, the sucker 23 on the feeding mechanism 2 sucks the battery slices on the conveying device 1, the driving mechanism 24 moves the sucker 23 above the working platform 31, and the lifting part 22 moves the sucker 23 down, and the The cells are flattened and placed on the working platform 31 at the loading station;

The rotating table 30 is rotated by 90 degrees, so that the above-mentioned working platform 31 carrying the battery slices is rotated to the testing station to conduct an efficiency test through the testing mechanism 4 . The specific cell is located between the upper probe 44 and the lower probe 45, and then the upper probe 44 slides downward relative to the vertical plate 41 and contacts the upper surface of the cell, and the lower probe 45 relatively slides upward and contacts the lower surface of the cell. Pass, conduct efficiency test;

After the efficiency test is completed, the rotary table 30 is rotated 90 degrees in the same direction, and the working platform 31 is rotated to the position facing the unloading station. on the material conveying device 7.

The cell efficiency detection device of the utility model has the following characteristics:

The main transmission mechanism adopts a multi-station turntable mechanism, which has high working efficiency and is not easy to cause debris; at the same time, after using the turntable mechanism, when the efficiency of the battery sheet is tested by the testing mechanism, it can be placed on both the top and bottom of the battery sheet. Set up a solar simulator to test the double-sided efficiency of the cell at the same time.

The suction cup of the feeding mechanism is installed on the lifting part (such as the lower part of the cylinder). When the cell is moved to the working platform, the lifting part can press the cell on the working platform and smooth it, which can prevent the cell from warping. To avoid the resulting inaccurate detection and calibration problems. However, there is no mechanism capable of compressing and smoothing the cells in the existing efficiency detection devices.

The test mechanism is installed on two symmetrical vertical plates to ensure that the pressure of each probe on the cell is consistent, so that the detection is more accurate; and the test mechanism set up in this way has better balance and stability, which can reduce the stress of the test mechanism. Mechanical fatigue. However, in the prior art, the test mechanism has only one vertical plate, and the vertical plate extends upwards and downwards. On one side of the vertical plate, the moment exerted by the probe row at each position on the probe rack is different, especially the probe row at the end of the probe rack sinks significantly, which will affect the detection effect of the detection mechanism; and the balance stability of the probe rack is poor , in the same load transmission, the cantilever structure is prone to mechanical fatigue.

The solar simulator can slide relative to the machine table, so that the solar simulator can be pulled out, which is convenient for loading and unloading, and is convenient for replacing the solar simulator.

The above-mentioned embodiment is only to illustrate the technical conception and characteristics of the present utility model. It is a preferred embodiment. Protection scope of utility model. All equivalent transformations or modifications made according to the spirit of the present utility model shall fall within the protection scope of the present utility model.

Claims (10)

1. A cell efficiency detection device, comprising a test mechanism for detecting the efficiency of the cell, characterized in that the test mechanism includes a probe assembly and a vertical plate, and the vertical plate is symmetrically arranged on the probe The opposite ends of the needle assembly and the two ends of the probe assembly are respectively arranged on the vertical plate on the corresponding side. 2 . The cell efficiency detection device according to claim 1 , wherein both ends of the probe assembly are arranged on the vertical plate on the corresponding side so as to be able to slide up and down. 3 . 3. The cell efficiency detection device according to claim 2, wherein the test mechanism further comprises guide rails extending in the up and down direction, and the guide rails are respectively fixed on the two ends of the probe assembly. On the vertical plate, each of the guide rails is provided with a guide block that can slide along the length extension direction of the guide rail, and the two ends of the probe assembly are respectively fixed on the guide blocks on the corresponding side. 4. The cell efficiency detection device according to claim 3, wherein the probe assembly comprises an upper fixing frame, a plurality of upper probes fixedly arranged on the upper fixing frame, a lower fixing frame and a fixing frame. A plurality of lower probes arranged on the lower fixing frame, the guide block includes an upper guide block capable of sliding up and down on the upper part of the guide rail and a lower guide block capable of sliding up and down on the lower part of the guide rail, the The two ends of the upper fixing frame are respectively fixed on the upper guide block on the corresponding side, and the two ends of the lower fixing frame are respectively fixed on the lower guide block on the corresponding side. When testing the efficiency, the sliding directions of the upper fixing frame and the lower fixing frame are opposite. 5. The cell efficiency detection device according to claim 1, characterized in that, the cell efficiency detection device further comprises a main transmission mechanism, and the main transmission mechanism includes a rotary device rotatably arranged on the machine platform. workbench and a plurality of workplatforms arranged on the said rotary workbench, said rotary workbench drives each of said workplatforms to rotate, and sequentially set a feeding station, a test station and a material unloading station. The rotating worktable can drive each of the working platforms to sequentially rotate to the loading station, the testing station and the unloading station, and the testing mechanism is arranged at the testing station. 6. The cell efficiency detection device according to claim 5, characterized in that the cell efficiency detection device further comprises a feeding mechanism, the feeding mechanism can transport the cells to the working platform, and Press the cell sheet against the working platform. 7. The cell efficiency detection device according to claim 6, wherein the feeding mechanism includes a suction cup and a lifting part, and the suction cup is used to suck up the cell and transport the cell to the feeding station On the working platform, the lifting part can drive the suction cup up and down to press the battery sheet with the working platform. 8 . The cell efficiency detection device according to claim 7 , wherein the feeding mechanism further comprises a horizontally slidable bracket, and the lifting member is arranged on the bracket. 9 . 9. The cell efficiency detection device according to claim 8, wherein the feeding mechanism further comprises a drive mechanism for driving the support to slide, the drive mechanism comprises at least two synchronous wheels and The synchronous belt on the two synchronous wheels, one of the synchronous wheels is driven to rotate by a motor, and the bracket is fixedly connected to the synchronous belt. 10. The cell efficiency detection device according to claim 1, characterized in that the cell efficiency detection device further comprises a conveying device for conveying the cells before the cell test, and the conveying device is a belt conveying mechanism.