CN217084628U - Device for testing lithium ion battery electrode cohesiveness - Google Patents
Device for testing lithium ion battery electrode cohesiveness Download PDFInfo
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- CN217084628U CN217084628U CN202220754611.5U CN202220754611U CN217084628U CN 217084628 U CN217084628 U CN 217084628U CN 202220754611 U CN202220754611 U CN 202220754611U CN 217084628 U CN217084628 U CN 217084628U
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- guide rail
- lithium ion
- ion battery
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- servo motor
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Abstract
The utility model relates to a device of test lithium ion battery electrode cohesiveness belongs to the battery and detects technical field, include: remove the support, remove the vertical guide rail of support one side fixedly connected with, the inside elevating system that has installed of vertical guide rail, one side that elevating system kept away from vertical guide rail is connected with horizontal guide rail, horizontal guide rail inside is equipped with horizontal migration pair, miniature servo motor has been installed to the vice link of horizontal migration, miniature servo motor's output shaft end rotates and is connected with the right angle joint, the multiple-blade cutter has been installed to the one end that the right angle connects, the test piece has been installed to the other end, the standing groove has still been seted up on the removal support, the built-in slewing mechanism that is equipped with of standing groove, the slewing mechanism top is equipped with the retaining box, the retaining box is located the right angle and connects under. The utility model discloses a miniature servo motor rotates right angle and connects switching multiple-blade cutter or test block, has realized the automatic preparation and the detection to lithium ion battery pole piece detection sample, has alleviateed workman's work burden, has promoted efficiency of software testing.
Description
Technical Field
The utility model belongs to the technical field of the battery detects, more specifically says, relates to a device of test lithium ion battery electrode cohesiveness.
Background
In the production and manufacturing process of the lithium ion battery, the specific process for manufacturing the battery pole piece is as follows: firstly, uniformly mixing positive and negative electrode active materials, a conductive agent and a binder to form mixed slurry; and then, coating the mixed slurry on a current collector, and drying the mixed slurry coated on the current collector by baking to form powder on the surface of the current collector, so that the active substance and the conductive agent are fixed on the current collector by using the binder.
The bonding effect of the powder on the battery pole piece and the current collector has a great influence on the performance of the lithium ion battery. If the bonding effect of the powder and the current collector is poor, the contact between the active material and the current collector is poor if the bonding effect is poor, the electrical property of the battery is reduced, the powder falls off from the current collector if the bonding effect is poor, and the falling powder easily pierces the diaphragm to cause the internal short circuit of the battery core.
Therefore, the adhesion effect between the powder and the current collector is usually evaluated by adopting battery pole piece adhesion detection, a tensile machine is generally adopted for detection at present, a cutter is manually used for preparing a test sample before detection, the operation is complex, the flow is multiple, the labor burden of workers is increased, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a device of test lithium ion battery electrode cohesiveness, through mutually supporting of elevating system, horizontal migration pair, right angle joint and slewing mechanism, realize the automatic preparation and the detection to lithium ion battery pole piece testing sample.
In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:
an apparatus for testing lithium ion battery electrode adhesion, comprising: the movable support is characterized in that a vertical guide rail is fixedly connected to one side of the movable support, an elevating mechanism is arranged in the vertical guide rail, one side, away from the vertical guide rail, of the elevating mechanism is connected with a horizontal guide rail, a horizontal moving pair is arranged in the horizontal guide rail, a micro servo motor is arranged at the connecting end of the horizontal moving pair, the output shaft end of the micro servo motor is rotatably connected with a right-angle joint, a multi-blade cutter is arranged at one end of the right-angle joint, a testing block is arranged at the other end of the right-angle joint, a placing groove is further formed in the movable support, a rotating mechanism is arranged in the placing groove, a fixing box is arranged at the top of the rotating mechanism, and the fixing box is located under the right-angle joint.
Preferably, a T-shaped sliding groove is formed in the vertical guide rail, and the lifting mechanism is installed in the T-shaped sliding groove.
Preferably, the lifting mechanism includes: the first servo motor is installed at the top of the vertical guide rail, the lead screw is fixedly connected with an output shaft of the first servo motor, the sliding seat is in threaded connection with the lead screw, one end of the L-shaped connecting rod extends into the vertical guide rail and is fixedly connected with the sliding seat, and the other end of the L-shaped connecting rod extends out of the vertical guide rail and is fixedly connected with the horizontal guide rail.
Preferably, the horizontal moving pair comprises: the cylinder is arranged at one end of the horizontal guide rail, the horizontal sliding block is fixedly connected with an output shaft of the cylinder, and the connecting rod is fixedly connected to the lower end of the horizontal sliding block.
Preferably, two sides of the bottom end of the connecting rod are provided with limit travel switches.
Preferably, the horizontal slider includes: the sliding block comprises a sliding block body and pulleys, wherein the pulleys are arranged at two ends of the top and two ends of the bottom of the sliding block body.
Preferably, the rotating mechanism includes: the bottom end of the rotating disc is fixedly connected with the output shaft of the second servo motor, and the top end of the rotating disc is fixedly connected with the fixed box.
Preferably, the fixing case includes: the extrusion plate is arranged in the shell and is fixedly connected with the inner wall of the shell through the compression spring.
Preferably, the cutting angle of the cutting edge of the multi-edge cutter is 30 +/-1 degrees, and the tooth crest width is less than 0.1 mm.
The utility model provides a pair of multi-functional dismouting derailleur rack compares with prior art has following advantage:
the utility model provides a pair of device of test lithium ion battery electrode cohesiveness provides vertical drive power through elevating system for right angle joint, provides horizontal drive power for right angle joint through horizontal migration is vice, through miniature servo motor rotation right angle joint switching multiple-blade cutter or test block, realized automatic preparation and detection to lithium ion battery pole piece testing sample, alleviateed workman's work burden, promoted the efficiency of the test of lithium ion battery pole piece cohesiveness, shortened test time greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a side sectional view of the overall structure of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a top view of the fixing box of the present invention.
In the figure: 1-a movable support, 2-a vertical guide rail, 3-a lifting mechanism, 31-a first servo motor, 32-a lead screw, 33-a sliding seat, 34-an L-shaped connecting rod, 4-a horizontal guide rail, 5-a horizontal moving pair, 51-an air cylinder, 52-a horizontal sliding block, 53-an engagement rod, 54-a limit travel switch, 6-a miniature servo motor, 7-a right-angle joint, 71-a multi-edge cutter, 72-a test block, 8-a rotating mechanism, 81-a second servo motor, 82-a rotating disc, 9-a fixed box, 91-a shell, 92-an extrusion plate and 93-a compression spring.
Detailed Description
The technical solution of the present invention is further explained below with reference to the accompanying drawings and embodiments:
referring to fig. 1-4, the present invention provides a device for testing the adhesion of lithium ion battery electrodes, comprising: remove support 1, remove 1 one side fixedly connected with vertical guide rail 2 of support, elevating system 3 has been installed to vertical guide rail 2 inside, elevating system 3 keeps away from one side of vertical guide rail 2 is connected with horizontal guide rail 4, horizontal guide rail 4 is inside to have installed horizontal migration pair 5, miniature servo motor 6 has been installed to the link of horizontal migration pair 5, miniature servo motor 6's output shaft end rotates and is connected with right angle joint 7, multiple-blade cutter 71 has been installed to the one end of right angle joint 7, and test block 72 has been installed to the other end, the standing groove has still been seted up on the removal support 1, the built-in slewing mechanism 8 that is equipped with of standing groove, 8 tops of slewing mechanism are equipped with fixed box 9, fixed box 9 is located under the right angle joint 7. Preferably, a double-sided adhesive tape is attached to the end surface of the test block 72.
As a preferred embodiment, a T-shaped sliding groove is arranged inside the vertical guide rail 2, and the lifting mechanism 3 is installed inside the T-shaped sliding groove.
As a preferred embodiment, the lifting mechanism 3 includes: the first servo motor 31, the lead screw 32, the sliding seat 33 and the L-shaped connecting rod 34, the first servo motor 31 is installed at the top of the vertical guide rail 2, the lead screw 32 is fixedly connected with an output shaft of the first servo motor 31, the sliding seat 33 is in threaded connection with the lead screw 32, one end of the L-shaped connecting rod 34 extends into the vertical guide rail 2 and is fixedly connected with the sliding seat 33, and the other end of the L-shaped connecting rod extends out of the vertical guide rail 2 and is fixedly connected with the horizontal guide rail 4. The lifting mechanism 3 is used for providing a vertical driving force for the right-angle connector 7 and controlling the lifting and falling of the multi-edge cutter 71 and the test block 72.
As a preferred embodiment, the horizontal moving pair 5 includes: the horizontal guide rail device comprises an air cylinder 51, a horizontal sliding block 52 and an engaging rod 53, wherein the air cylinder 51 is arranged at one end of the horizontal guide rail 4, the horizontal sliding block 52 is fixedly connected with an output shaft of the air cylinder 51, and the engaging rod 53 is fixedly connected to the lower end of the horizontal sliding block 52. The horizontal moving pair 5 is used for providing a driving force in the horizontal direction for the right-angle joint 7, and preferably mainly controls the multi-edge cutter 71 to cut powder. And a strip-shaped hole matched with the horizontal moving pair 5 is formed in the bottom end of the horizontal guide rail 4 along the horizontal direction.
In a preferred embodiment, limit travel switches 54 are arranged on two sides of the bottom end of the connecting rod 53. The limit travel switch 54 is used for controlling the rotation angle of the micro servo motor 6, and ensuring that the multi-blade cutter 71 or the test block 72 is perpendicular to the test sample.
As a preferred embodiment, the horizontal slider 52 includes: the sliding block comprises a sliding block body and pulleys, wherein the pulleys are arranged at two ends of the top and two ends of the bottom of the sliding block body. The pulley is used for reducing the friction between the sliding block body and the horizontal guide rail 4.
As a preferred embodiment, the rotating mechanism 8 includes: the bottom end of the rotating disk 82 is fixedly connected with the output shaft end of the second servo motor 81, and the top end of the rotating disk 82 is fixedly connected with the fixed box 9. The rotating mechanism 8 is used for changing the angle of the fixed box 9, thereby changing the cutting angle of the test sample.
As a preferred embodiment, the fixing case 9 includes: the device comprises a shell 91, a pressing plate 92 and a compression spring 93, wherein the pressing plate 92 is arranged in the shell 91 and is fixedly connected with the inner wall of the shell 91 through the compression spring 93. Through the mutual cooperation of the pressing plate 92 and the compression spring 93, test samples with different sizes can be adapted.
As a preferred embodiment, the cutting angle of the cutting edge of the multi-edge cutter 71 is 30 ± 1 ° and the crest width is <0.1 mm.
As a preferred embodiment, the device is further provided with a controller, and the controller is electrically connected with the micro servo motor, the first servo motor, the second servo motor, the cylinder and the limit travel switch.
The working principle is as follows:
the starting device controls the first servo motor to work to drive the right-angle joint to rise, the dried test sample is placed in the fixing box and is fixed through the extrusion plate and the compression spring, the miniature servo motor is started, the right-angle joint is rotated to enable the end of the multi-blade cutter to be vertically contacted with the test sample, the air cylinder is controlled to drive the multi-blade cutter to horizontally move to cut the test sample, after the cutting is completed, the multi-blade cutter is lifted, the rotating mechanism is started to change the angle of the fixing box to a preset value and then fixed, the operation is repeated to re-cut the test sample, the multi-blade cutter is lifted after the cutting is completed, the micro servo motor is used to rotate the right-angle joint to enable the end of the test block to be perpendicular to the test sample, the test block is descended to enable double-faced adhesive at the bottom end of the test block to be attached to the surface of the cut test sample, and observing the adhesion condition of the powder of the double-sided adhesive tape after the double-sided adhesive tape is lifted.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An apparatus for testing lithium ion battery electrode adhesion, comprising: the device comprises a movable support (1), wherein a vertical guide rail (2) is fixedly connected to one side of the movable support (1), a lifting mechanism (3) is arranged in the vertical guide rail (2), a horizontal guide rail (4) is connected to one side, far away from the vertical guide rail (2), of the lifting mechanism (3), a horizontal moving pair (5) is arranged in the horizontal guide rail (4), a micro servo motor (6) is arranged at the connecting end of the horizontal moving pair (5), a right-angle joint (7) is rotatably connected to the output shaft end of the micro servo motor (6), a multi-blade cutter (71) is arranged at one end of the right-angle joint (7), a testing block (72) is arranged at the other end of the right-angle joint, a placing groove is further formed in the movable support (1), a rotating mechanism (8) is arranged in the placing groove, and a fixing box (9) is arranged at the top of the rotating mechanism (8), the fixed box (9) is positioned right below the right-angle joint (7).
2. The device for testing the electrode adhesiveness of the lithium ion battery according to claim 1, wherein a T-shaped sliding groove is formed in the vertical guide rail (2), and the lifting mechanism (3) is arranged in the T-shaped sliding groove.
3. The device for testing the adhesion of lithium ion battery electrodes according to claim 1, wherein the lifting mechanism (3) comprises: servo motor (31), lead screw (32), sliding seat (33) and L type connecting rod (34), servo motor (31) install in the top of vertical guide rail (2), lead screw (32) with the output shaft fixed connection of servo motor (31), sliding seat (33) with lead screw (32) threaded connection, L type connecting rod (34) one end stretch into vertical guide rail (2) with sliding seat (33) fixed connection, the other end stretch out vertical guide rail (2) with horizontal guide rail (4) fixed connection.
4. The device for testing the adhesion of lithium ion battery electrodes according to claim 1, wherein the horizontal moving pair (5) comprises: the horizontal guide rail device comprises an air cylinder (51), a horizontal sliding block (52) and a connecting rod (53), wherein the air cylinder (51) is arranged at one end of the horizontal guide rail (4), the horizontal sliding block (52) is fixedly connected with an output shaft of the air cylinder (51), and the connecting rod (53) is fixedly connected to the lower end of the horizontal sliding block (52).
5. The device for testing the adhesion of the lithium ion battery electrode according to claim 4, characterized in that limit travel switches (54) are arranged on two sides of the bottom end of the connecting rod (53).
6. The device for testing lithium ion battery electrode adhesion according to claim 4, wherein the horizontal slider (52) comprises: the sliding block comprises a sliding block body and pulleys, wherein the pulleys are arranged at two ends of the top and two ends of the bottom of the sliding block body.
7. The device for testing the adhesion of lithium ion battery electrodes according to claim 1, wherein the rotating mechanism (8) comprises: the servo motor II (81) and the rotating disc (82), the bottom end of the rotating disc (82) is fixedly connected with the output shaft end of the servo motor II (81), and the top end of the rotating disc (82) is fixedly connected with the fixed box (9).
8. The device for testing the adhesion of lithium ion battery electrodes according to claim 1, characterized in that the fixing box (9) comprises: the device comprises a shell (91), an extrusion plate (92) and a compression spring (93), wherein the extrusion plate (92) is arranged in the shell (91) and is fixedly connected with the inner wall of the shell (91) through the compression spring (93).
9. The device for testing the adhesion of lithium ion battery electrodes according to claim 1, wherein the cutting angle of the cutting edge of the multi-edge cutter (71) is 30 ± 1 ° and the tooth crest width is <0.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220754611.5U CN217084628U (en) | 2022-04-02 | 2022-04-02 | Device for testing lithium ion battery electrode cohesiveness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220754611.5U CN217084628U (en) | 2022-04-02 | 2022-04-02 | Device for testing lithium ion battery electrode cohesiveness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217084628U true CN217084628U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220754611.5U Active CN217084628U (en) | 2022-04-02 | 2022-04-02 | Device for testing lithium ion battery electrode cohesiveness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217084628U (en) |
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2022
- 2022-04-02 CN CN202220754611.5U patent/CN217084628U/en active Active
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