CN211178584U - Sliding table type short circuit and thickness detection mechanism - Google Patents

Abstract

The utility model discloses a sliding table short-circuit and thickness detection mechanism, which comprises a bottom plate, a sliding table linear guide rail, a sliding table driving cylinder, a first test module and a second test module arranged on the bottom plate. A first sliding table working table module and a second sliding table working table module are provided, the first sliding table working table module is fixedly connected with the second sliding table working table module, and the output end of the sliding table driving cylinder is connected to the first sliding table working table module. The table workbench module or the second slide table workbench module can drive the first slide table workbench module and the second slide table workbench module to slide on the slide table linear guide rail, and both the first test module and the second test module are provided with There are short-circuit test components, contact measuring sensors and measuring sensor amplifiers. The detection mechanism of the utility model has the characteristics of fast short-circuit test on the inside of the electric core, high-precision detection of the thickness of the electric core and good stability.

Description

A sliding type short circuit and thickness detection mechanism

technical field

The utility model relates to the field of lithium ion batteries, in particular to a sliding table short circuit and thickness detection mechanism.

Background technique

At present, in the field of lithium-ion batteries, there are internal short circuits in the cells after lamination by lamination machines, multiple or fewer laminations, and low testing efficiency of testing institutions. These problems seriously restrict the products of lithium batteries. quality and productivity.

Therefore, the present invention provides a new technical solution to solve the existing technical problems.

Utility model content

The purpose of the utility model is to disclose a sliding table short circuit and thickness detection mechanism, through which the detection mechanism of the utility model can quickly realize the short circuit test and the thickness detection of the electric core.

The technical scheme of the utility model is: a sliding table short circuit and thickness detection mechanism, comprising a bottom plate and a sliding table linear guide rail, a sliding table driving cylinder, a first test module and a second test module arranged on the bottom plate, the sliding table The linear guide rail is provided with a first sliding table working table module and a second sliding table working table module, the first sliding table working table module is fixedly connected with the second sliding table working table module, and the output end of the sliding table driving cylinder is connected to the The first slide table module or the second slide table module can drive the first slide table module and the second slide table module to slide on the linear guide rail of the slide table, the first test module and the second test module There are short-circuit test components, contact measurement sensors and measurement sensor amplifiers on both.

As a further technical optimization of this technical solution, the first sliding table working table module and the second sliding table working table module of the sliding table short-circuit and thickness detection mechanism of the present invention are provided with a lifting plate, and the bottom of the lifting plate is provided with a lifting plate. The return spring is provided with a lifting cylinder capable of lifting the lifting plate on the bottom plate.

As a further technical optimization of this technical solution, the first slide table module and the second slide table module of the slide table short-circuit and thickness detection mechanism of the present invention are both provided with workbenches arranged on the slide table linear guide rails A support plate and a workbench mainboard arranged on the workbench support plate, and a battery core positioning cylinder is arranged on the workbench mainboard.

As a further technical optimization of this technical solution, the structure of the first test module and the second test module of the sliding table short-circuit and thickness detection mechanism of the present invention are the same, and the first test module and the second test module both include a A test module support column and a test module main board fixed on the upper end of the test module support column, the test module main board is provided with a compression cylinder and a compression guide column, the lower end of the compression guide column is provided with a lower pressure plate mounting plate, the A lower pressing plate is fixed on the lower wall of the lower pressing plate mounting plate, and the output end of the pressing cylinder is connected to the lower pressing plate mounting plate and can drive the lower pressing plate mounting plate and the lower pressing plate to press down along the guiding direction of the pressing guide column, so The short-circuit test assembly and the contact type measurement sensor are directly or indirectly fixed on the lower platen mounting plate, and the measurement sensor amplifier is arranged on the main board of the test module and cooperates with the contact type measurement sensor to complete the thickness test of the cell.

As a further technical optimization of the present technical solution, both sides of the test module mainboard of the sliding table short-circuit and thickness detection mechanism of the present invention are provided with opposite-beam photoelectric sensors, and the opposite-beam photoelectric sensors are suspended in the first test module, Both sides of the second test module are used to detect whether there are batteries when the slide table module reaches the test station.

As a further technical optimization of the technical solution, the test module mainboard of the sliding table short-circuit and thickness detection mechanism of the present invention is also provided with a precision pressure regulating valve used in conjunction with the pressing cylinder.

As a further technical optimization of this technical solution, a drag chain is also provided on the bottom plate of the slide table short-circuit and thickness detection mechanism of the present invention, and the drag chain is used to cooperate with the first slide table workbench module and the second slide table workbench module usage.

As a further technical optimization of the technical solution, the sliding table short-circuit and thickness detection mechanism of the present invention further includes a short-circuit tester, which is used in conjunction with the short-circuit test assembly and is used to complete the short-circuit test on the battery cells.

The advantages of the present utility model mainly include:

a. Double sliding table worktable, the double sliding table worktable is connected in series, which can save half of the working time of feeding and discharging materials. The sliding table driving cylinder is used to drive the sliding table table to move on the linear guide rail of the sliding table, and the battery cell is in the test station. There is a cell positioning cylinder on the top to precisely position the cell in four directions to ensure the accuracy of the cell position;

b. The short-circuit tester and the contact measuring sensor are used to test the internal short circuit of the cell and the thickness of the cell. There are two test stations. Pressing the cylinder can make the cell in a pressure state of 100kg-400kg. It is equipped with precision adjustment The pressure valve can adjust the pressure.

The utility model provides an innovative sliding table short-circuit test and thickness detection mechanism, which has the characteristics of fast short-circuit test inside the electric core, high-precision detection of the thickness of the electric core and good stability.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the structural representation of sliding table short circuit and thickness detection mechanism in the embodiment of the present utility model;

Fig. 2 is the top view of the sliding table short circuit and thickness detection mechanism in the embodiment of the present invention;

3 is a front view of a sliding table short circuit and a thickness detection mechanism in an embodiment of the present invention;

4 is a left side view of the slide-type short circuit and thickness detection mechanism in the embodiment of the present invention.

Detailed ways

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 FIG. 1-FIG. 4, the utility model provides a technical solution: a sliding table short circuit and thickness detection mechanism, comprising a bottom plate 1 and a sliding table linear guide rail 2, a sliding table driving cylinder 3, a sliding table linear guide rail 2 arranged on the bottom plate 1, a sliding table driving cylinder 3, A test module 4, a second test module 5, the slide linear guide 2 is provided with a first slide table module 6 and a second slide table module 7, the first slide table module 6 and the second slide table module The slide table module 7 is fixedly connected, and the output end of the slide drive cylinder 3 is connected to the first slide table module 6 or the second slide table module 7 and can drive the first slide table module 6 and The second slide table module 7 slides on the slide table linear guide 2 , and the first test module 4 and the second test module 5 are provided with a short circuit test assembly 8 , a contact measurement sensor 9 and a measurement sensor amplifier 10 .

The first sliding table working platform module 6 and the second sliding platform working platform module 7 are provided with a lifting plate 11, the bottom of the lifting plate 11 is provided with a return spring 12, and the bottom plate 1 is provided with a lifting plate 11 that can be lifted. The jacking cylinder 13 for jacking up the plate 11.

The first slide table module 6 and the second slide table module 7 are provided with a workbench support plate 14 arranged on the slide table linear guide 2 and a workbench main board arranged on the workbench support plate 14. 15. The main board 15 of the worktable is provided with a battery cell positioning cylinder 16.

The first test module 4 has the same structure as the second test module 5. Both the first test module 4 and the second test module 5 include a test module support column 17 fixed on the base plate 1 and an upper end of the test module support column 17. The test module main board 18 is provided with a pressing cylinder 19 and a pressing guide post 20 on the test module main board 18. The lower end of the pressing guide post 20 is provided with a lower pressing plate mounting plate 21, and the lower pressing plate mounting plate 21 A lower pressing plate 22 is fixed on the wall, and the output end of the pressing cylinder 19 is connected to the lower pressing plate mounting plate 21 and can drive the lower pressing plate mounting plate 21 and the lower pressing plate 22 to press down along the guiding direction of the pressing guide post 20, The short-circuit test assembly 8 and the contact type measurement sensor 9 are directly or indirectly fixed on the lower platen mounting plate 21, and the measurement sensor amplifier 10 is arranged on the test module main board 18 and cooperates with the contact type measurement sensor 9 to complete the cell thickness test. .

Both sides of the main board 18 of the test module are provided with photoelectric sensors 23, and the photoelectric sensors 23 are suspended on both sides of the first test module 4 and the second test module 5 and are used to detect the slide table module. Whether there are batteries when arriving at the test station.

The test module main board 18 is also provided with a precision pressure regulating valve 24 for use with the pressing cylinder 19 .

The bottom plate 1 is also provided with a towline 25 , and the towline 25 is used to cooperate with the first slide table module 6 and the second slide table module 7 .

A short-circuit tester 26 is also included, and the short-circuit tester 26 is used in conjunction with the short-circuit test assembly 8 and used to complete the short-circuit test on the battery cells.

As shown in Figure 1-4, the main parts description:

Measuring sensor amplifier 10: judge whether the thickness of the cell is qualified by the detection result of the contact measuring sensor 9;

Precision pressure regulating valve 24: adjust the pressing force during cell testing;

Short-circuit tester 26: by self-discharging, by detecting the resistance value to determine whether there is a short-circuit phenomenon inside the cell;

Sliding table driving cylinder 3: The power for the left and right switching of the two worktables of the sliding table;

Lifting plate 11: It is convenient for the manipulator to put the battery cell on the slide table, and there is an empty position in the jacking state, which can avoid the manipulator claws;

Cell positioning cylinder 16: There are cell positioning cylinders 16 around the slide table. When the four cylinders are extended, the cell will be positioned to reduce the damage to the cell during the movement of the slide table and ensure that the cell is in the test station. location accuracy;

The second slide table module 7: the working position of the cell testing process;

Drag chain 25: take all kinds of wires and air pipes;

The first slide table module 6: the working position of the cell testing process;

Slide table linear guide 2: to ensure the accuracy and smoothness of the slide table;

Optoelectronic photoelectric sensor 23: to detect whether there is a cell when the slide table reaches the test station;

Compression cylinder 19: compress the battery cell during testing, so that the battery core is under a certain pressure state;

Compression guide column 20: The compression guide column 20 of the compression cylinder 19 mechanism is compressed to ensure the accuracy of the compression mechanism;

Short-circuit test assembly 8: includes a cylinder and positive and negative electrodes, and is connected to a short-circuit test;

Contact measurement sensor 9: mounted on the mechanism of the compression cylinder 19, when the cell is in a compression state, the measurement sensor is in a compressed measurement state, and is connected to the measurement sensor amplifier 10 to feed back the measurement thickness information to the measurement sensor amplifier 10;

Return spring 12: when the jacking cylinder 13 is retracted, the power to reset the jacking plate 11;

Lifting the cylinder 13: Lift the lifting plate 11 up.

Workflow: The first slide table module 6 is located in the middle of the loading and unloading station area, the jacking cylinder 13 lifts the jacking plate 11 by 20mm, and the manipulator in the previous process puts the battery on the jacking plate 11 and lifts it up. The air cylinder 13 is reset, the lifting plate 11 is lowered and reset, the cell falls on the first slide table module 6, and the cell positioning cylinder 16 extends to position the cell around the cell. The sliding table driving cylinder 3 extends to move the first sliding table working table module 6 to the first testing station, and at the same time the second sliding table working table module 7 also moves to the middle loading and unloading station. The cell positioning cylinder 16 of the first slide table module 6 is retracted and reset, and the pressing cylinder 19 of the first test station is extended to press the cell tightly. The pressure is adjustable from 100 to 400 kg. The measuring sensor 9 is in the measuring state when it reaches the detection block, and the measuring sensor amplifier 10 judges whether the thickness of the cell is within the qualified range. The short-circuit test assembly 8 extends and presses the positive and negative electrodes of the cell, and the short-circuit tester 26 discharges to test the internal resistance of the cell, and then determine whether the cell is short-circuited. At the same time of this test and detection, the second slide table module 7 is located at the loading and unloading station for unloading and loading. After the short-circuit test and thickness detection are completed, the sliding table driving cylinder 3 returns to reset, and the first sliding table table module 6 returns to the middle loading and unloading station. After the next process, the manipulator will grab the battery cells and put them into the cells to be tested. , repeat the above actions.

The advantages of the present utility model mainly include:

a. Double sliding table worktable, the double sliding table worktable is connected in series, which can save half of the working time of feeding and discharging materials. The sliding table driving cylinder is used to drive the sliding table table to move on the linear guide rail of the sliding table, and the battery cell is in the test station. There is a cell positioning cylinder on the top to precisely position the cell in four directions to ensure the accuracy of the cell position;

b. The short-circuit tester and the contact measuring sensor are used to test the internal short circuit of the cell and the thickness of the cell. There are two test stations. Pressing the cylinder can make the cell in a pressure state of 100kg-400kg. It is equipped with precision adjustment The pressure valve can adjust the pressure.

The utility model provides an innovative sliding table short-circuit test and thickness detection mechanism, which has the characteristics of fast short-circuit test inside the electric core, high-precision detection of the thickness of the electric core and good stability.

The above is a detailed description of the preferred implementation of the present utility model, but the invention of the present utility model is not limited to the described embodiments, and those skilled in the art can also make various equivalents under the premise of not violating the spirit of the present utility model. Modifications or substitutions, and these equivalent modifications or substitutions are all included within the scope defined by the claims of the present application.

Claims (8)

1. The utility model provides a slip table formula short circuit and thickness detection mechanism which characterized in that: comprises a bottom plate (1), a sliding table linear guide rail (2) arranged on the bottom plate (1), a sliding table driving cylinder (3), a first testing module (4) and a second testing module (5), a first sliding table working table module (6) and a second sliding table working table module (7) are arranged on the sliding table linear guide rail (2), the first sliding table working table module (6) is fixedly connected with the second sliding table working table module (7), the output end of the sliding table driving cylinder (3) is connected to the first sliding table working table module (6) or the second sliding table working table module (7) and can drive the first sliding table working table module (6) and the second sliding table working table module (7) to slide on the sliding table linear guide rail (2), and the first testing module (4) and the second testing module (5) are provided with a short-circuit testing assembly (8), a contact type measuring sensor (9) and a measuring sensor amplifier (10).

2. The slider-type short circuit and thickness detection mechanism of claim 1, wherein: all be provided with jacking board (11) on first slip table workstation module (6) and second slip table workstation module (7), jacking board (11) bottom is provided with reset spring (12), be provided with on bottom plate (1) and can be with jacking cylinder (13) of jacking board (11) jacking.

3. The slider-type short circuit and thickness detection mechanism of claim 1, wherein: all be provided with workstation backup pad (14) and workstation mainboard (15) of setting on workstation backup pad (14) of setting on slip table linear guide (2) on first slip table workstation module (6) and second slip table workstation module (7), be provided with electric core location cylinder (16) on workstation mainboard (15).

4. The slider-type short circuit and thickness detection mechanism of claim 1, wherein: the structure of the first testing module (4) is the same as that of the second testing module (5), the first testing module (4) and the second testing module (5) respectively comprise a testing module support column (17) fixed on the bottom plate (1) and a testing module mainboard (18) fixed at the upper end of the testing module support column (17), a pressing cylinder (19) and a pressing guide column (20) are arranged on the testing module mainboard (18), a lower pressing plate mounting plate (21) is arranged at the lower end of the pressing guide column (20), a lower pressing plate (22) is fixedly arranged on the lower wall surface of the lower pressing plate mounting plate (21), the output end of the pressing cylinder (19) is connected to the lower pressing plate mounting plate (21) and can drive the lower pressing plate mounting plate (21) and the lower pressing plate (22) to be pressed down along the guiding direction of the pressing guide column (20), the short-circuit testing component (8) and the contact type measuring sensor (9) are directly or indirectly fixed on the, the measuring sensor amplifier (10) is arranged on the testing module mainboard (18) and is matched with the contact type measuring sensor (9) to complete the thickness test of the battery cell.

5. The slider-type short circuit and thickness detection mechanism of claim 1, wherein: test module mainboard (18) both sides all are provided with correlation photoelectric sensor (23), the unsettled setting of correlation photoelectric sensor (23) is in whether have electric core when first test module (4), second test module (5) both sides and be used for detecting slip table workstation module arrival test station.

6. The slider-type short circuit and thickness detection mechanism of claim 1, wherein: and the test module main board (18) is also provided with a precise pressure regulating valve (24) matched with the pressing cylinder (19) for use.

7. The slider-type short circuit and thickness detection mechanism of claim 1, wherein: still be provided with tow chain (25) on bottom plate (1), tow chain (25) are used for cooperating first slip table workstation module (6) and second slip table workstation module (7) to use.

8. The slider-type short circuit and thickness detection mechanism of any one of claims 1-7, wherein: the short-circuit testing device is characterized by further comprising a short-circuit tester (26), wherein the short-circuit tester (26) is matched with the short-circuit testing assembly (8) for use and is used for completing short-circuit testing on the battery cell.

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