CN213301048U

CN213301048U - Lithium ion battery pole piece arc height detection device

Info

Publication number: CN213301048U
Application number: CN202022668147.1U
Authority: CN
Inventors: 王建; 刘强; 张曙光; 张二斌; 刘小双; 李静云; 卢丽霞; 许强; 冯永刚; 刘家祥
Original assignee: Multi Fluorine New Energy Technology Co ltd
Current assignee: Multi Fluorine New Energy Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-05-28
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a lithium ion battery pole piece camber detection device, comprising a base plate, the upside front end of bottom plate is provided with the depression bar, both ends are provided with first knob and second knob respectively about the depression bar, the upside rear portion of bottom plate is provided with two linear guide that are parallel to each other, linear guide's upside sliding connection has the slider, the upside of slider is connected with rolling press device, linear guide's the left and right sides is provided with the slider spacing, the left side of the linear guide in the place ahead is provided with first elbow clamp, the front side of the linear guide in the place ahead is provided with the standard block, the front side of standard block is provided with first measuring tape and second measuring tape, rolling press device's upside fixedly connected with second elbow clamp; the utility model discloses a simple measuring method of cooperation can have simple structure, convenient operation, advantage that measurement of efficiency is high to the pole piece arc height value quick measurement after rolling.

Description

Lithium ion battery pole piece arc height detection device

Technical Field

The utility model belongs to the technical field of lithium ion battery check out test set, concretely relates to lithium ion battery pole piece arc height detection device.

Background

In the production process of the lithium ion battery pole piece, in order to improve the capacity of the battery, increase the using amount of positive and negative active substances, improve the performance of the battery, and play an important role in rolling, the rolled pole piece has a more stable structure, and the gap spacing between particles is smaller, but the rolled pole piece has a crumpling phenomenon due to the difference of the ductility of an aluminum foil and a material area, so that the arc height needs to be measured after rolling, and is generally controlled within 3 mm; at present, the method for measuring the arc height after the lithium ion battery pole piece is rolled is mainly characterized in that two persons use a long straight plate ruler to mutually cooperate for measurement, and excessive manual work is involved during measurement, so that the measured data of the pole piece is inconsistent, and the working efficiency is reduced; therefore, it is very necessary to provide a lithium ion battery pole piece arc height detection device with simple structure, convenient operation and high measurement efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, and provide a lithium ion battery pole piece arc height detection device that simple structure, convenient operation, measurement of efficiency are high.

The utility model adopts the technical proposal that: the utility model provides a lithium ion battery pole piece camber detection device, includes the bottom plate, the upside front end of bottom plate is provided with the depression bar, both ends are provided with first knob and second knob respectively about the depression bar, first knob with one side that the second knob is close to the depression bar is provided with first linear bearing, first knob with second knob fixed connection is on the bottom plate, the upside rear portion of bottom plate is provided with two linear guide that are parallel to each other, linear guide's upside sliding connection has the slider, two the upside of slider is connected with rolling press device, two both sides are provided with the slider spacing about linear guide's the centre respectively, are located the place ahead linear guide's left side is provided with first elbow and presss from both sides, first elbow clamp fixedly connected with pole piece briquetting, be located the place ahead linear guide's front side is provided with the standard block, linear guide's elbow clamp is provided with elbow clamp, The slider is spacing first elbow press from both sides with the equal fixed connection of standard block is at the upside of bottom plate, the front side at the horizontal position of standard block is provided with first measuring tape and second measuring tape, the place ahead of standard block is the detection zone, rolling press device's upside fixedly connected with second elbow presss from both sides, the second elbow presss from both sides the top that is located the detection zone.

The rolling press device include the roll extrusion support body, the upside fixedly connected with elbow of roll extrusion support body presss from both sides the installing support, the second elbow press from both sides installing support fixed connection on the roll extrusion support body through the elbow, use the second elbow to press from both sides to be provided with second linear bearing as central bilateral symmetry on the roll extrusion support body, second linear bearing's internal connection has the guide post, the below of roll extrusion support body is provided with the gyro wheel support, the upside at the gyro wheel support is connected to the lower extreme of guide post, the lower extreme that the second elbow pressed from both sides passes and is connected with the elbow from the middle part of gyro wheel support and presss from both sides the pull block, the rubber tyer is installed to the below of gyro wheel support, the rubber tyer rolling shaft rotation of connecting about.

The outer side of the rubber wheel is covered with a polyurethane lining, and the rubber wheel is in a hollow cylinder shape.

The slider spacing include spacing support body, spacing support body fixed connection is at the upside of bottom plate, transversely wears to be equipped with the rubber buffer on the spacing support body, the chock plug of rubber buffer is towards the inboard of bottom plate.

The shape of standard block is the L type, the vertical position of standard block with the side parallel and level of bottom plate, the horizontal position of standard block is parallel with the horizontal limit of bottom plate, the horizontal position of standard block is provided with the coordinate.

The first measuring scale and the second measuring scale are perpendicular to the transverse position of the standard block, the first measuring scale and the second measuring scale are respectively arranged on the left side and the right side in the detection area, and the transverse distance between the first measuring scale and the second measuring scale is 90 cm.

The pressing rod is rectangular, the bottom plate is rectangular, the transverse edge of the pressing rod is parallel to the transverse edge of the bottom plate, the width of the pressing rod is 2-5cm, and the lower side of the pressing rod is used for placing a pole piece to be cut.

The pole piece pressing block is located above the detection area, and the detection area is used for placing a pole piece to be detected.

The utility model has the advantages that: the utility model relates to a lithium ion battery pole piece arc height detection device, which can rapidly measure the rolled pole piece arc height value by matching with a simple measurement method; aligning a pole piece to be cut with the front side edge of a pressure rod, rotating a first knob and a second knob to descend the pressure rod with a standard width to press the pole piece to be cut tightly, cutting the pole piece to be measured through a blade to obtain a long wavy pole piece to be measured with a material width of 2cm, fixing one end of the pole piece to be measured on a bottom plate through a first elbow clamp, spreading the wavy pole piece on the bottom plate after rolling by a rolling device, reading deviation values of the pole piece to be measured on a first measuring scale and a second measuring scale, and obtaining the arc height value of the pole piece after subtracting; the utility model has the advantages of simple structure, convenient operation, measurement of efficiency are high.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a right side view of the present invention;

FIG. 3 is a schematic diagram of the cutting process of the present invention;

FIG. 4 is a schematic view of the measurement process of the present invention;

fig. 5 is an assembly diagram of the first knob, the first linear bearing and the pressure lever according to the present invention;

FIG. 6 is a schematic view of the assembly of the first toggle clamp and the pole piece pressing block of the present invention;

FIG. 7 is a schematic view of the rubber wheel structure of the present invention;

fig. 8 is a schematic diagram of the limiting structure of the sliding block of the present invention;

in the figure: 1. the device comprises a bottom plate 2, a pressure lever 3, a first knob 4, a second knob 5, a first linear bearing 6, a linear guide rail 7, a sliding block 8, a rolling device 81, a rolling frame body 82, a second linear bearing 83, a guide post 84, an elbow clamp mounting bracket 85, an elbow clamp pulling block 86, a roller bracket 87, a rubber wheel 88, a polyurethane lining 89, a rubber wheel rolling shaft 9, a sliding block limit 91, a limit frame body 92, a rubber plug 10, a first elbow clamp 11, a second elbow clamp 12, a standard block 13, a first measuring ruler 14, a second measuring ruler 15, a pole piece pressing block 16, a pole piece 17 to be measured, a pole piece 18 to be cut and a region to be measured.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention, and are specifically described below with reference to the embodiments.

Example 1

As shown in fig. 1-4, a lithium ion battery pole piece arc height detection device comprises a bottom plate 1, a pressure lever 2 is arranged at the front end of the upper side of the bottom plate 1, a first knob 3 and a second knob 4 are respectively arranged at the left end and the right end of the pressure lever 2, a first linear bearing 5 is arranged at one side of the first knob 3 and the second knob 4 close to the pressure lever 2, the first knob 3 and the second knob 4 are fixedly connected to the bottom plate 1, two parallel linear guide rails 6 are arranged at the rear part of the upper side of the bottom plate 1, a slide block 7 is slidably connected to the upper side of the linear guide rails 6, a rolling device 8 is connected to the upper sides of the two slide blocks 7, a slide block limit 9 is arranged at each of the left side and the right side of the middle of the two linear guide rails 7, a first elbow clamp 10 is arranged at the left side of the linear guide rail 6 in front, be located the place ahead linear guide 6's front side is provided with standard block 12, linear guide 6 the slider is spacing 9 first elbow press from both sides 10 with the equal fixed connection of standard block 12 is at the upside of bottom plate 1, the front side at the horizontal position of standard block 12 is provided with first measuring tape 13 and second measuring tape 14, the place ahead of standard block 12 is detection zone 18, rolling press 8's upside fixedly connected with second elbow presss from both sides 11, the second elbow presss from both sides 11 the top that is located detection zone 18.

Rolling press 8 include the roll extrusion support body 81, the upside fixedly connected with elbow of roll extrusion support body 81 presss from both sides installing support 84, the second elbow press from both sides installing support 84 fixed connection through the elbow on the roll extrusion support body 81, use the second elbow to press from both sides 11 on the roll extrusion support body 81 and be provided with second linear bearing 82 as central bilateral symmetry, the internal connection of second linear bearing 82 has guide post 83, the below of roll extrusion support body 81 is provided with gyro wheel support 86, the upside at gyro wheel support 86 is connected to the lower extreme of guide post 83, the lower extreme that the second elbow pressed from both sides 11 passes and is connected with elbow clamp pull block 85 from the middle part of gyro wheel support 86, rubber tyer 87 is installed to gyro wheel 86's below, rubber tyer rolling shaft 89 that rubber tyer 87 connects about through rotates the inboard of connecting at gyro wheel support 86.

The utility model discloses when using, adopt depression bar 2 and the first knob 3 and the second knob 4 at the both ends about depression bar 2, through anticlockwise wrench movement first knob 3 and second knob 4, depression bar 2 can lift up under elasticity, conveniently packs into the gap of depression bar 2 and bottom plate 1 with waiting to cut out pole piece 17, through clockwise wrench movement, depression bar 2 can be firmly pressed waiting to cut out pole piece 17 under the locking force of first knob 3 and second knob 4, conveniently cuts out; the first elbow clamp 10, the rolling device 8 and the second elbow clamp 11 connected with the rolling device are adopted, the pole piece pressing block 15 fixedly connected with the first elbow clamp 10 is located above one end of a pole piece 16 to be measured, the first elbow clamp 10 is adjusted to fix the pole piece pressing block 15 on the pole piece 16 to be measured when the rolling device 8 rolls conveniently, the measuring accuracy is guaranteed, the rolling device 8 can be lifted or pressed on the pole piece 16 to be measured by adjusting the second elbow clamp 11, after the edge of the pole piece 16 to be measured is aligned with the standard block 12 and one end of the pole piece pressing block 15 is fixed, the second elbow clamp 11 is pulled to press the rolling device 8 on the pole piece 16 to be measured and slowly push the pole piece to the right side from the left side slide block limit 9 to the right side slide block limit 9 to stop; reading the deviation values of the pole piece 16 to be measured on the first measuring tape 13 and the second measuring tape 14, and subtracting the deviation values to obtain the arc height value of the pole piece; the utility model has the advantages of simple structure, convenient operation, measurement of efficiency are high.

Example 2

As shown in fig. 1-8, a lithium ion battery pole piece arc height detection device comprises a bottom plate 1, a pressure lever 2 is arranged at the front end of the upper side of the bottom plate 1, a first knob 3 and a second knob 4 are respectively arranged at the left end and the right end of the pressure lever 2, a first linear bearing 5 is arranged at one side of the first knob 3 and the second knob 4 close to the pressure lever 2, the first knob 3 and the second knob 4 are fixedly connected to the bottom plate 1, two parallel linear guide rails 6 are arranged at the rear part of the upper side of the bottom plate 1, a slide block 7 is slidably connected to the upper side of the linear guide rails 6, a rolling device 8 is connected to the upper sides of the two slide blocks 7, a slide block limit 9 is arranged at each of the left side and the right side of the middle of the two linear guide rails 7, a first elbow clamp 10 is arranged at the left side of the linear guide rail 6 in front, be located the place ahead linear guide 6's front side is provided with standard block 12, linear guide 6 the slider is spacing 9 first elbow press from both sides 10 with the equal fixed connection of standard block 12 is at the upside of bottom plate 1, the front side at the horizontal position of standard block 12 is provided with first measuring tape 13 and second measuring tape 14, the place ahead of standard block 12 is detection zone 18, rolling press 8's upside fixedly connected with second elbow presss from both sides 11, the second elbow presss from both sides 11 the top that is located detection zone 18.

Specifically, the rolling device 8 includes a rolling frame 81, an elbow clip mounting bracket 84 is fixedly connected to the upper side of the rolling frame 81, the second elbow clip 11 is fixedly connected to the rolling frame 81 through the elbow clip mounting bracket 84, a second linear bearing 82 is symmetrically arranged on the rolling frame 81 in a left-right direction by taking the second elbow clip 11 as the center, a guide post 83 is connected to the inside of the second linear bearing 82, a roller bracket 86 is arranged below the rolling frame 81, the lower end of the guide post 83 is connected to the upper side of the roller bracket 86, the lower end of the second elbow clip 11 penetrates through the middle of the roller bracket 86 and is connected with an elbow clip pull block 85, a rubber wheel 87 is arranged below the roller bracket 86, the rubber wheel 87 is rotatably connected to the inner side of the roller bracket 86 through a rubber wheel rolling shaft 89 connected in a left-right direction, the rolling device 8 is matched with the linear guide rail 6 to enable the rubber wheel 87 to roll on the pole piece 16 to, the pole piece 16 to be tested is laid flat on the detection area 18.

Specifically, the outside package of rubber tyer 87 is equipped with polyurethane lining 88, the shape of rubber tyer 87 is hollow cylinder, avoids damaging the pole piece 16 that awaits measuring when guaranteeing the rolling pressure degree.

Specifically, spacing 9 of slider include spacing support body 91, spacing support body 91 fixed connection is at bottom plate 1's upside, transversely wears to be equipped with rubber buffer 92 on the spacing support body 91, rubber buffer 92's chock plug towards bottom plate 1's inboard, spacing 9 of slider play spacing effect when rolling device 8 removes, the rubber buffer 92 of setting makes spacing obtaining the buffering, life that can limited extension fixture.

Specifically, the shape of standard block 12 is the L type, the vertical position of standard block 12 with the side parallel and level of bottom plate 1, the horizontal position of standard block 12 is parallel with the horizontal limit of bottom plate 1, when the inboard right angle edge of standard block 12 is adjusted to the position that conveniently will await measuring pole piece 16, guarantees the measuring accuracy, the horizontal position of standard block 12 is provided with the coordinate, and convenient accuracy reads the horizontal length of awaiting measuring pole piece 16.

Specifically, the first measuring tape 13 and the second measuring tape 14 are perpendicular to the transverse position of the standard block 12, so that the deviation values of the pole piece 16 to be measured at the first measuring tape 13 and the second measuring tape 14 are accurately measured, the first measuring tape 13 and the second measuring tape 14 are respectively arranged at the left side and the right side of the detection area 18, the transverse distance between the first measuring tape 13 and the second measuring tape 14 is 90cm, and the arc height is measured within the transverse distance of 80-120cm, so that whether the pole piece is available or not is conveniently and directly judged, and the working efficiency is improved.

Specifically, the shape of the pressure lever 2 is rectangular, the shape of the bottom plate 1 is rectangular, the transverse edge of the pressure lever 2 is parallel to the transverse edge of the bottom plate 1, the width of the pressure lever 2 is 2cm, and because the coating is coated on the surface of an aluminum foil of a pole piece, the edge part of the pressure lever is about 1 cm without the coating, the width of 2-5cm can ensure that the pole piece 16 to be detected has a coating area, so that the detection effectiveness is ensured, the lower side of the pressure lever 2 is used for placing the pole piece 17 to be cut, and the long-strip-shaped pole piece of the pole piece 17 to be cut to the standard width is the pole piece 16 to.

Specifically, pole piece briquetting 15 be located the top of detection zone 18, detection zone 18 be used for placing the pole piece 16 that awaits measuring, make pole piece briquetting 15 fix the pole piece 16 that awaits measuring that is located detection zone 18, make things convenient for rolling press device 8 can not make the pole piece 16 that awaits measuring take place to shift when rolling, ensure measuring accuracy.

When the utility model is used, the first knob 3 and the second knob 4 are twisted anticlockwise firstly, the pressure rod 2 can be lifted up under elasticity, the pole piece 17 to be cut is inserted into the gap between the pressure rod 2 and the bottom plate 1, and then twisted clockwise, the pressure rod 2 can firmly press the pole piece 17 to be cut under the locking force of the first knob 3 and the second knob 4, the pole piece 17 to be cut is cut off along the inner side of the pressure rod 2 by a blade, and a strip-shaped pole piece with the width of 2cm is left as the pole piece 16 to be cut; then, the rolling device 8 is lifted, the pole piece 16 to be measured which is rolled into a wavy shape is placed in the detection area 18, the first elbow clamp 10 is opened, the edge of the pole piece 16 to be measured is aligned with the standard block 12, and then the first elbow clamp 10 is closed to press and fix the pole piece 16 to be measured; the rolling device 8 is pushed to the left slider limit 9, the second elbow clamp 11 is closed, the rubber wheel 87 deforms under the action of elasticity at the moment, so that the pole piece 16 to be measured is pressed tightly, the rolling device 8 is installed on the sliders 7 of the two linear guide rails 6, the rubber wheel rolling shaft 89 is always in a vertical shape and position state with the linear guide rails 6, the rolling device 8 is slowly pushed rightwards from the left limit until the right side of the second measuring ruler 14, and the pole piece 16 to be measured is pressed on the surface of the bottom plate 1 at the moment; finally, reading respective deviation values of the edge of the pole piece 16 to be measured and the standard block 12 at the first measuring scale 13 and the second measuring scale 14 respectively, wherein the transverse distance between the first measuring scale 13 and the second measuring scale 14 is 90cm, and subtracting the two deviation values to obtain the arc height value of the pole piece; the utility model has the advantages of simple structure, convenient operation, measurement of efficiency are high.

More than, the width of depression bar 2 can be adjusted according to actual conditions, first measuring tape 13 with the interval of second measuring tape 14 can be set for according to the demand, is not limited to the utility model discloses the parameter range listed.

Claims

1. The utility model provides a lithium ion battery pole piece arc height detection device, includes the bottom plate, its characterized in that: the utility model discloses a pole piece pressing device, including bottom plate, first knob, second knob, rolling device, slider, first elbow clamp, first knob, second knob, first rolling device, second knob, first slider, second knob, first elbow clamp, second elbow clamp, first pole piece pressing block, standard block, second straight rail, the upside of bottom plate is provided with the depression bar, first knob and the second knob are provided with first linear bearing respectively to the both ends of the upside of depression bar, the one side that first knob and second knob is close to the depression bar is provided with, first knob and second knob are fixed connection on the bottom plate, the upside sliding connection of linear guide has the slider, two the upside of slider is connected with rolling device, two the slider is provided with the slider spacing respectively on the left side of linear guide in the place ahead, the left side of linear guide is provided with first elbow, the front side at the horizontal position of standard block is provided with first measuring tape and second measuring tape, the place ahead of standard block is the detection zone, rolling press device's upside fixedly connected with second elbow presss from both sides, the second elbow presss from both sides the top that is located the detection zone.

2. The lithium ion battery pole piece arc height detection device of claim 1, characterized in that: the rolling press device include the roll extrusion support body, the upside fixedly connected with elbow of roll extrusion support body presss from both sides the installing support, the second elbow press from both sides installing support fixed connection on the roll extrusion support body through the elbow, use the second elbow to press from both sides to be provided with second linear bearing as central bilateral symmetry on the roll extrusion support body, second linear bearing's internal connection has the guide post, the below of roll extrusion support body is provided with the gyro wheel support, the upside at the gyro wheel support is connected to the lower extreme of guide post, the lower extreme that the second elbow pressed from both sides passes and is connected with the elbow from the middle part of gyro wheel support and presss from both sides the pull block, the rubber tyer is installed to the below of gyro wheel support, the rubber tyer rolling shaft rotation of connecting about.

3. The lithium ion battery pole piece arc height detection device of claim 2, characterized in that: the outer side of the rubber wheel is covered with a polyurethane lining, and the rubber wheel is in a hollow cylinder shape.

4. The lithium ion battery pole piece arc height detection device of claim 1, characterized in that: the slider spacing include spacing support body, spacing support body fixed connection is at the upside of bottom plate, transversely wears to be equipped with the rubber buffer on the spacing support body, the chock plug of rubber buffer is towards the inboard of bottom plate.

5. The lithium ion battery pole piece arc height detection device of claim 1, characterized in that: the shape of standard block is the L type, the vertical position of standard block with the side parallel and level of bottom plate, the horizontal position of standard block is parallel with the horizontal limit of bottom plate, the horizontal position of standard block is provided with the coordinate.

6. The lithium ion battery pole piece arc height detection device of claim 1, characterized in that: the first measuring scale and the second measuring scale are perpendicular to the transverse position of the standard block, the first measuring scale and the second measuring scale are respectively arranged on the left side and the right side in the detection area, and the transverse distance between the first measuring scale and the second measuring scale is 80-120 cm.

7. The lithium ion battery pole piece arc height detection device of claim 1, characterized in that: the pressing rod is rectangular, the bottom plate is rectangular, the transverse edge of the pressing rod is parallel to the transverse edge of the bottom plate, and the width of the pressing rod is 2-5 cm.

8. The lithium ion battery pole piece arc height detection device of claim 1, characterized in that: the pole piece pressing block is positioned above the detection area.