CN220794997U - Lithium battery diaphragm peeling force testing device - Google Patents
Lithium battery diaphragm peeling force testing device Download PDFInfo
- Publication number
- CN220794997U CN220794997U CN202322336520.7U CN202322336520U CN220794997U CN 220794997 U CN220794997 U CN 220794997U CN 202322336520 U CN202322336520 U CN 202322336520U CN 220794997 U CN220794997 U CN 220794997U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- peeling force
- battery diaphragm
- testing device
- force testing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 35
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 abstract description 19
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000013522 software testing Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of testing devices and discloses a lithium battery diaphragm peeling force testing device which comprises a workbench, wherein two sliding grooves are symmetrically formed in the upper surface of the workbench in a penetrating mode, support plates are slidably arranged on the inner walls of the two sliding grooves, a rotating shaft is rotatably arranged between the two support plates, and a shovel plate is fixedly arranged on the outer surface of the rotating shaft. According to the utility model, the screw rod is driven to rotate through the rotation of the driving motor, so that the screw rod drives the sliding plate to move, the sliding plate drives the two support plates to move, the two support plates drive the shovel plate to move, when the shovel plate moves towards the direction where the shovel plate is located, the double faced adhesive tape stuck on the upper surface of the test bench can be shoveled off through the shovel plate, the double faced adhesive tape can be prevented from being manually shoveled off through the device, the speed of shoveling the adhesive tape is improved, and the testing efficiency can be greatly improved when the lithium battery diaphragm peeling force test is carried out in batches.
Description
Technical Field
The utility model relates to the technical field of testing devices, in particular to a lithium battery diaphragm peeling force testing device.
Background
The lithium ion battery has the advantages of large specific energy, long cycle life, good safety performance and the like, and is increasingly widely applied. The diaphragm is an important component of a lithium battery, and the lithium battery diaphragm peeling force testing device is equipment for evaluating the peeling force between the lithium battery diaphragm and positive and negative electrode materials. The separator peel force refers to the ability of the separator to separate from the positive and negative electrode materials during normal use of the battery. The testing device can simulate the force applied to the battery in the use process, and detect the stability and reliability of the separation force of the diaphragm.
The existing testing device for the separation force of the diaphragm (publication number: CN 214844720U) has at least the following disadvantages:
above-mentioned patent is when using, through the double faced adhesive tape of anchor clamps surface paste, paste lithium cell diaphragm non-coating on its surface, because at every turn when changing new lithium cell diaphragm, fill needs the experimenter manual clearance to fall the double faced adhesive tape, and manual clearance's mode is too slow, leads to when testing lithium cell diaphragm peel force in batches, greatly reduced test efficiency.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a lithium battery diaphragm peeling force testing device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a lithium cell diaphragm peeling force testing arrangement, includes the workstation, two spouts have been run through to the upper surface symmetry of workstation, two equal slidable mounting of inner wall of spout has the extension board, two rotate between the extension board and install the pivot, the surface fixed mounting of pivot has the shovel board, two T type spout has all been seted up to the surface of the opposite both sides of extension board, two equal slidable mounting of inner wall of T type spout has T type slider, two install the compression roller in the rotation between the T type slider, the upper surface fixed mounting of workstation has the testboard, the upper surface fixed mounting of workstation has the stand, the top fixed mounting of stand has the mounting panel, the upper surface fixed mounting of mounting panel has electric telescopic handle, electric telescopic handle's flexible end runs through the surface of mounting panel and fixed mounting has vacuum chuck, the lower surface of workstation is equipped with the motion subassembly that drives the extension board and remove.
As a further scheme of the utility model, the moving assembly comprises a sliding plate fixedly arranged between two support plates, a screw rod is rotatably arranged between the inner walls of the two opposite ends of the workbench, and the screw rod penetrates through the outer surface of the sliding plate and is in threaded connection with the outer surface of the sliding plate.
As a further scheme of the utility model, a driving motor is fixedly arranged on the outer surface of one end of the workbench, and the output end of the driving motor penetrates through the outer surface of the workbench and is fixedly arranged with the rotation center of the screw rod.
As a further scheme of the utility model, torsion springs are sleeved on the outer surfaces of the two ends of the rotating shaft, and the two ends of each torsion spring are fixedly installed with the shovel plate and the support plate respectively.
As a further scheme of the utility model, springs are arranged in the two T-shaped sliding grooves, and two ends of each spring are fixedly arranged on the upper surface of the T-shaped sliding block and the top wall of the T-shaped sliding groove respectively.
As a further scheme of the utility model, the upper surface of the vacuum chuck is fixedly provided with the air pipe joint, the air pipe joint is communicated with the inside of the vacuum chuck, and the lower surface of the vacuum chuck is uniformly provided with a plurality of air outlet holes.
Compared with the prior art, the utility model has the following beneficial effects:
the rotation through driving motor drives the lead screw and rotates, makes the lead screw drive the slide and removes, drives two extension boards through the slide and removes, makes two extension boards drive the shovel board and remove, when the shovel board removes to its place direction, can shovel the double faced adhesive tape that the testboard upper surface was pasted through the shovel board, can avoid manual shovel double faced adhesive tape through this device, has improved the speed of shovel glue, when doing lithium cell diaphragm peel force test in batches, can improve efficiency of software testing greatly.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a lithium battery separator peeling force testing device according to the present utility model;
fig. 2 is a schematic bottom view of a device for testing the peel force of a lithium battery separator according to the present utility model;
fig. 3 is a schematic diagram of a press roller of a lithium battery separator peeling force testing device according to the present utility model;
fig. 4 is a schematic view of a shovel plate of a device for testing the peel force of a lithium battery diaphragm according to the present utility model.
In the figure: 1. a work table; 2. a driving motor; 3. a chute; 4. a support plate; 5. a test bench; 6. a column; 7. a mounting plate; 8. an electric telescopic rod; 9. a vacuum chuck; 10. a press roller; 11. a shovel plate; 12. a slide plate; 13. a torsion spring; 14. a T-shaped slider; 15. a spring; 16. a T-shaped chute; 17. a rotating shaft; 18. an air pipe joint; 19. and a screw rod.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, a lithium battery diaphragm peeling force testing device comprises a workbench 1, two sliding grooves 3 are symmetrically formed in the upper surface of the workbench 1 in a penetrating manner, support plates 4 are slidably arranged on the inner walls of the two sliding grooves 3, a rotating shaft 17 is rotatably arranged between the two support plates 4, a shovel plate 11 is fixedly arranged on the outer surface of the rotating shaft 17, T-shaped sliding grooves 16 are formed in the outer surfaces of the two opposite sides of the two support plates 4, T-shaped sliding blocks 14 are slidably arranged on the inner walls of the two T-shaped sliding grooves 16, a compression roller 10 is rotatably arranged between the two T-shaped sliding blocks 14, a testing table 5 is fixedly arranged on the upper surface of the workbench 1, a stand column 6 is fixedly arranged on the upper surface of the workbench 1, a mounting plate 7 is fixedly arranged on the top end of the stand column 6, the lower surface of workstation 1 is equipped with the motion subassembly that drives extension board 4 and remove, motion subassembly includes fixed mounting in slide 12 between two extension boards 4, rotate between the inner wall at the relative both ends of workstation 1 and install lead screw 19, lead screw 19 runs through the surface of slide 12 and rather than threaded connection, the surface fixed mounting of workstation 1 one end has driving motor 2, driving motor 2's output runs through the surface of workstation 1 and with the rotation center fixed mounting of lead screw 19, the surface at pivot 17 both ends all overlaps and is equipped with torsion spring 13, torsion spring 13's both ends respectively with shovel board 11 and extension board 4 fixed mounting, make shovel board 11 and the upper surface counterbalance of test bench 5 through torsion spring 13, be convenient for shovel board 11 shovel the double faced adhesive tape of test bench 5 upper surface cleanly.
During the use, drive lead screw 19 through driving motor 2's rotation and rotate, make lead screw 19 drive slide 12 and remove, drive two extension boards 4 through slide 12 and remove, make two extension boards 4 drive shovel board 11 and remove, when shovel board 11 is to its when the direction removes, can shovel the double faced adhesive tape that test bench 5 upper surface pasted through shovel board 11, can avoid manual the shovel double faced adhesive tape through this device, improved the speed of shovel adhesive tape, when doing lithium cell diaphragm peel force test in batches, can improve efficiency of software testing greatly.
In this embodiment, the upper surface fixed mounting of mounting panel 7 has electric telescopic handle 8, and electric telescopic handle 8's flexible end runs through the surface of mounting panel 7 and fixed mounting has vacuum chuck 9, and vacuum chuck 9's upper surface fixed mounting has air pipe connection 18, and air pipe connection 18 is linked together with vacuum chuck 9's inside, and a plurality of ventholes have evenly been seted up to vacuum chuck 9's lower surface.
After the double faced adhesive tape is shoveled off, a tester manually sticks the double faced adhesive tape to the upper surface of the test bench 5, then sticks an uncoated layer of the lithium battery diaphragm to be tested to the double faced adhesive tape, and then drives the press roller 10 to move towards the direction of the press roller 10 through the reverse rotation of the driving motor 2, so that the press roller 10 sticks the uncoated layer of the lithium battery diaphragm to the double faced adhesive tape tightly, and the lithium battery diaphragm is prevented from falling off from the test bench 5 during subsequent peeling experiments; after the lithium battery diaphragm is installed, the electric telescopic rod 8 drives the vacuum chuck 9 to move downwards to be attached to the coating layer of the lithium battery diaphragm, the vacuum chuck 9 is communicated with an external vacuum pump through an air pipe joint 18 and an air pipe, the vacuum pump enables the vacuum chuck 9 to firmly suck the coating layer of the lithium battery diaphragm through an air outlet, a tester starts the electric telescopic rod 8 to test whether the stripping force of the lithium battery diaphragm can reach a set value through setting the tensile force value of the electric telescopic rod 8, and the test result is recorded.
In this embodiment, springs 15 are disposed inside the two T-shaped sliding grooves 16, two ends of each spring 15 are fixedly mounted on the upper surface of the T-shaped sliding block 14 and the top wall of the T-shaped sliding groove 16, and the compression roller 10 is abutted against the upper surface of the test bench 5 through the springs 15, so that the uncoated layer of the lithium battery diaphragm and the double faced adhesive tape can be conveniently compressed.
When the device is used, the screw rod 19 is driven to rotate through the rotation of the driving motor 2, so that the screw rod 19 drives the sliding plate 12 to move, the sliding plate 12 drives the two support plates 4 to move, the two support plates 4 drive the shovel plate 11 to move, when the shovel plate 11 moves towards the shovel plate, the double faced adhesive tape adhered to the upper surface of the test bench 5 can be shoveled off through the shovel plate 11, the double faced adhesive tape can be prevented from being manually shoveled off through the device, the speed of shoveling the adhesive tape is improved, and the test efficiency can be greatly improved when the lithium battery diaphragm peeling force test is carried out in batches.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a lithium cell diaphragm peeling force testing arrangement, includes workstation (1), its characterized in that, two spouts (3) have been seted up to the upper surface symmetry of workstation (1), two equal slidable mounting of inner wall of spout (3) has extension board (4), two rotate between extension board (4) and install pivot (17), the surface fixed mounting of pivot (17) has shovel board (11), two T type spout (16) have all been seted up to the surface of extension board (4) both sides relatively, two equal slidable mounting of inner wall of T type spout (16) has T type slider (14), two install compression roller (10) rotationally between T type slider (14), the upper surface fixed mounting of workstation (1) has testboard (5), the upper surface fixed mounting of workstation (1) has stand (6), the top fixed mounting of stand (6) has mounting panel (7), the upper surface fixed mounting of mounting panel (7) has electric telescopic handle (8), the vacuum chuck (9) of the outer surface fixed mounting of extension board (4) of running through of extension board (7) have the vacuum chuck (1) and move down.
2. The lithium battery diaphragm peeling force testing device according to claim 1, wherein the moving assembly comprises a sliding plate (12) fixedly arranged between two support plates (4), a screw rod (19) is rotatably arranged between inner walls at two opposite ends of the workbench (1), and the screw rod (19) penetrates through the outer surface of the sliding plate (12) and is in threaded connection with the outer surface of the sliding plate.
3. The lithium battery diaphragm peeling force testing device according to claim 2, wherein a driving motor (2) is fixedly arranged on the outer surface of one end of the workbench (1), and the output end of the driving motor (2) penetrates through the outer surface of the workbench (1) and is fixedly arranged with the rotation center of the screw rod (19).
4. The lithium battery diaphragm peeling force testing device according to claim 1, wherein torsion springs (13) are sleeved on the outer surfaces of two ends of the rotating shaft (17), and two ends of each torsion spring (13) are fixedly installed with the shovel plate (11) and the support plate (4) respectively.
5. The lithium battery diaphragm peeling force testing device according to claim 1, wherein springs (15) are arranged in the two T-shaped sliding grooves (16), and two ends of each spring (15) are fixedly installed on the upper surface of each T-shaped sliding block (14) and the top wall of each T-shaped sliding groove (16).
6. The lithium battery diaphragm peeling force testing device according to claim 1, wherein an air pipe connector (18) is fixedly arranged on the upper surface of the vacuum chuck (9), the air pipe connector (18) is communicated with the inside of the vacuum chuck (9), and a plurality of air outlet holes are uniformly formed in the lower surface of the vacuum chuck (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322336520.7U CN220794997U (en) | 2023-08-30 | 2023-08-30 | Lithium battery diaphragm peeling force testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322336520.7U CN220794997U (en) | 2023-08-30 | 2023-08-30 | Lithium battery diaphragm peeling force testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220794997U true CN220794997U (en) | 2024-04-16 |
Family
ID=90663497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322336520.7U Active CN220794997U (en) | 2023-08-30 | 2023-08-30 | Lithium battery diaphragm peeling force testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220794997U (en) |
-
2023
- 2023-08-30 CN CN202322336520.7U patent/CN220794997U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |