CN219625190U - Integrated device for testing extrusion, needling and drawing force of battery cell - Google Patents
Integrated device for testing extrusion, needling and drawing force of battery cell Download PDFInfo
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- CN219625190U CN219625190U CN202222882742.4U CN202222882742U CN219625190U CN 219625190 U CN219625190 U CN 219625190U CN 202222882742 U CN202222882742 U CN 202222882742U CN 219625190 U CN219625190 U CN 219625190U
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- needling
- extrusion
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- head
- integrated device
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- 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
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides an integrated device for testing extrusion, needling and drawing forces of a battery cell, which comprises a bottom plate, a moving platform, a needling head, an extrusion head and a mechanical claw; the bottom plate and the moving platform are oppositely arranged in parallel, the moving platform can be close to or far away from the bottom plate, and the needling head, the extrusion head and the mechanical claw are detachably arranged on one side, close to the bottom plate, of the moving platform. The utility model can meet the integration of single battery extrusion test, needling test and drawing force test, greatly reduce equipment cost and meet test requirements.
Description
Technical Field
The utility model relates to the technical field of battery cell testing, in particular to an integrated device for testing extrusion, needling and drawing forces of a battery cell.
Background
With the popularization of new energy automobiles, extrusion, needling and drawing force tests required by standards at home and abroad belong to basic tests of battery cell levels, the safety performance of single batteries is evaluated, the extrusion, needling and drawing force of the single batteries are tested by using specific equipment independently at present, and with the increase of markets, the test quantity is greatly increased, and the single equipment does not meet the increasing test requirements and is not economical and practical enough.
Disclosure of Invention
Based on the technical problems in the background technology, the utility model provides an integrated device for testing extrusion, needling and drawing force of a battery cell.
The utility model provides an integrated device for testing extrusion, needling and drawing forces of a battery cell, which comprises a bottom plate, a moving platform, a needling head, an extrusion head and a mechanical claw; the bottom plate and the moving platform are oppositely arranged in parallel, the moving platform can be close to or far away from the bottom plate, and the needling head, the extrusion head and the mechanical claw are detachably arranged on one side, close to the bottom plate, of the moving platform.
Preferably, the movable platform is detachably mounted with the motherboard through bolts at one side close to the bottom plate, and the needling head, the extrusion head and the mechanical claw are all detachably mounted on the motherboard.
Preferably, the motherboard is provided with a threaded hole, the needling head is provided with a first screw rod, and the first screw rod of the needling head is in threaded fit connection with the threaded hole of the motherboard.
Preferably, the extrusion head is provided with a second screw rod, and the second screw rod of the extrusion head is in threaded fit connection with the threaded hole of the motherboard.
Preferably, the mechanical claw comprises two clamping jaws which are arranged oppositely and an adjusting screw rod which penetrates through the two clamping jaws, the adjusting screw rod is in threaded fit connection with the two clamping jaws, a third screw rod is arranged on one clamping jaw, and the third screw rod is in threaded fit connection with a threaded hole of the motherboard.
Preferably, the device is characterized in that a sample fixing groove is formed in one side, close to the moving platform, of the bottom plate, sample clamping plates are arranged on two sides of the sample fixing groove, the two sample clamping plates are arranged in parallel and opposite to each other, a rotating shaft and a servo motor for driving the rotating shaft to rotate are arranged on the bottom plate, two threaded sections are arranged on the rotating shaft, the spiral directions of the two threaded sections are opposite, and one ends of the two sample clamping plates are respectively connected with the two threaded sections in a threaded fit manner; and a slide bar parallel to the rotating shaft is also fixed on the bottom plate, and the other ends of the two sample clamping plates are in sliding fit with the slide bar.
Preferably, the two sample clamping plates are relatively far away from one side and are provided with mounting frames connected with the bottom plate and are arranged in parallel and relatively, two ends of the mobile platform are respectively connected with the two mounting frames in a sliding fit manner, and a driving mechanism for driving the mobile platform to approach or separate from the bottom plate is arranged on one of the mounting frames.
Preferably, a pulling pressure sensor is arranged on the mobile platform, and a displacement sensor is arranged on one of the mounting frames.
According to the integrated device for testing the extrusion, needling and drawing forces of the battery cells, which is provided by the utility model, the bottom plate and the movable platform are arranged in parallel and opposite, the movable platform can be close to or far away from the bottom plate, and the needling head, the extrusion head and the mechanical claws are detachably arranged on one side of the movable platform close to the bottom plate, so that the integration of the extrusion test, the needling test and the drawing force test of the single battery is realized, the equipment cost is greatly reduced, and the test requirement is met.
Drawings
Fig. 1 is a schematic structural diagram of an integrated device for testing extrusion, needling and drawing forces of a battery cell according to the present utility model;
fig. 2 is a schematic structural diagram of a mobile platform in an integrated device for testing extrusion, needling and drawing forces of a battery cell according to the present utility model;
fig. 3 is a schematic structural diagram of a needling head in an integrated device for testing the extrusion, needling and drawing forces of a battery cell according to the present utility model;
fig. 4 is a schematic structural diagram of an extrusion head in an integrated device for testing the extrusion, needling and drawing forces of a battery cell according to the present utility model;
fig. 5 is a schematic structural diagram of a mechanical claw in an integrated device for testing extrusion, needling and drawing forces of a battery cell.
Detailed Description
Referring to fig. 1-5, the utility model provides an integrated device for testing extrusion, needling and drawing force of a battery cell, which comprises a bottom plate 1, a moving platform 2, a needling head 3, an extrusion head 4 and a mechanical claw 5; wherein:
the base plate 1 and the moving platform 2 are oppositely arranged in parallel, the moving platform 2 can be close to or far away from the base plate 1, and the needling head 3, the extrusion head 4 and the mechanical claw 5 are detachably arranged on one side, close to the base plate 1, of the moving platform 2.
Specifically, a motherboard 6 is detachably arranged on one side of the movable platform 2, which is close to the bottom plate 1, through bolts, and a threaded hole 6-1 is formed in the motherboard 6;
the needling head 3 is provided with a first screw rod 3-1, and the first screw rod 3-1 of the needling head 3 is in threaded fit connection with the threaded hole 6-1 of the motherboard 6;
the extrusion head 4 is provided with a second screw 4-1, and the second screw 4-1 of the extrusion head 4 is in threaded fit connection with the threaded hole 6-1 of the motherboard 6;
the mechanical claw 5 comprises two clamping jaws 5-1 which are arranged oppositely and an adjusting screw rod 5-2 which penetrates through the two clamping jaws 5-1, the adjusting screw rod 5-2 is in threaded fit connection with the two clamping jaws 5-1, a third screw rod 5-3 is arranged on one clamping jaw 5-1, and the third screw rod 5-3 is in threaded fit connection with a threaded hole 6-1 of the motherboard 6.
In a further embodiment, a sample fixing groove 1-1 is formed in one side, close to a moving platform 2, of a bottom plate 1, sample clamping plates 1-2 are arranged on two sides of the sample fixing groove 1-1, the two sample clamping plates 1-2 are oppositely arranged in parallel, a rotating shaft 1-3 and a servo motor for driving the rotating shaft 1-3 to rotate are arranged on the bottom plate 1, two threaded sections are arranged on the rotating shaft 1-3, the spiral directions of the two threaded sections are opposite, and one ends of the two sample clamping plates 1-2 are respectively in threaded fit connection with the two threaded sections; the bottom plate 1 is also fixed with a slide bar 1-4 parallel to the rotating shaft 1-3, and the other ends of the two sample clamping plates 1-2 are in sliding fit with the slide bar 1-4.
In a further embodiment, two sample clamping plates 1-2 are respectively provided with a mounting frame 1-5 connected with the bottom plate 1 on the side far away from each other, the two mounting frames 1-5 are arranged oppositely in parallel, two ends of the moving platform 2 are respectively connected with the two mounting frames 1-5 in a sliding fit manner, and a driving mechanism for driving the moving platform 2 to be close to or far away from the bottom plate 1 is arranged on one of the mounting frames 1-5. The driving mechanism can adopt hydraulic and chain transmission in the prior art, and is not repeated here.
In a further embodiment, the mobile platform 2 is provided with a pull pressure sensor 7, and one of the mounting frames 1-5 is provided with a displacement sensor.
The working principle of the utility model is as follows:
placing a sample to be tested in a sample fixing groove 1-1 on a bottom plate 1, fixing single batteries with different sizes, driving a rotating shaft 1-3 to rotate by a servo motor, and driving two sample clamping plates 1-2 to mutually approach to clamp the sample by the rotating shaft 1-3, wherein the sample is fixed;
the extrusion head 4 is connected onto the motherboard 6 through a second screw 4-1 in a threaded manner, the moving platform 1 is driven to descend through the driving mechanism, the extrusion force of the extrusion head 4 is controlled through the tension pressure sensor 7, and the displacement sensor controls the extrusion displacement of the moving platform, so that the extrusion test purpose is realized; then the extrusion head 4 is taken down;
the needling head 3 is screwed on the motherboard 6 through a first screw rod 3-1, the movable platform 2 is driven to descend through the driving mechanism, the needling pressure of the needling head 3 is controlled through the tension pressure sensor 7, and the displacement sensor controls the displacement of the movable platform so as to control the needling depth of the needling head 3, so that the needling test purpose is realized; then the needling head 3 is taken down;
the mechanical claw 5 is connected to the motherboard 6 through a third screw rod in a threaded manner, the mechanical claw 5 drives the two clamping jaws 5-1 to move oppositely through the rotation of the adjusting screw rod 5-2, a sample is clamped, the driving mechanism drives the moving platform 2 to ascend, the tension force of the mechanical claw is controlled through the tension pressure sensor 7, the displacement sensor controls the drawing elevation of the moving platform 2, and the purpose of testing the drawing force is achieved.
The utility model relates to an integrated device for testing extrusion, needling and drawing forces of single batteries, which can meet the requirements of cost and testing capability.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The integrated device for testing the extrusion, needling and drawing force of the battery cell is characterized by comprising a bottom plate (1), a moving platform (2), a needling head (3), an extrusion head (4) and a mechanical claw (5); the base plate (1) and the moving platform (2) are oppositely arranged in parallel, the moving platform (2) can be close to or far away from the base plate (1), and the needling head (3), the extrusion head (4) and the mechanical claw (5) are detachably arranged on one side, close to the base plate (1), of the moving platform (2).
2. The integrated device for testing the extrusion, needling and drawing force of the battery cells according to claim 1, wherein a motherboard (6) is detachably mounted on one side of the movable platform (2) close to the bottom plate (1) through bolts, and the needling head (3), the extrusion head (4) and the mechanical claws (5) are detachably mounted on the motherboard (6).
3. The integrated device for extrusion, needling and drawing force testing of a battery cell according to claim 2, characterized in that a threaded hole (6-1) is formed in the motherboard (6), the needling head (3) is provided with a first screw (3-1), and the first screw (3-1) of the needling head (3) is in threaded fit connection with the threaded hole (6-1) of the motherboard (6).
4. A cell extrusion, needling, pullout force testing integrated apparatus as claimed in claim 3, characterized in that the extrusion head (4) is provided with a second screw (4-1), the second screw (4-1) of the extrusion head (4) being in threaded engagement with the threaded hole (6-1) of the motherboard (6).
5. A cell extrusion, needling, pullout force testing integrated device according to claim 3, characterized in that the mechanical gripper (5) comprises two oppositely arranged clamping jaws (5-1) and an adjusting screw (5-2) penetrating the two clamping jaws (5-1), the adjusting screw (5-2) is in threaded fit connection with the two clamping jaws (5-1), a third screw (5-3) is arranged on one clamping jaw (5-1), and the third screw (5-3) is in threaded fit connection with a threaded hole (6-1) of the motherboard (6).
6. The integrated device for testing the extrusion, needling and drawing force of the electric core according to any one of claims 1 to 3 is characterized in that a sample fixing groove (1-1) is formed in one side, close to a moving platform (2), of a bottom plate (1), sample clamping plates (1-2) are arranged on two sides of the sample fixing groove (1-1), the two sample clamping plates (1-2) are arranged in parallel and opposite to each other, a rotating shaft (1-3) and a servo motor for driving the rotating shaft (1-3) to rotate are arranged on the bottom plate (1), two threaded sections are arranged on the rotating shaft (1-3), the spiral directions of the two threaded sections are opposite, and one ends of the two sample clamping plates (1-2) are in threaded fit connection with the two threaded sections respectively; the bottom plate (1) is also fixed with a slide bar (1-4) parallel to the rotating shaft (1-3), and the other ends of the two sample clamping plates (1-2) are in sliding fit with the slide bar (1-4).
7. The integrated device for testing the extrusion, needling and drawing force of the battery cell according to claim 6, wherein the two sample clamping plates (1-2) are respectively provided with mounting frames (1-5) connected with the bottom plate (1) on the side which is far away from each other, the two mounting frames (1-5) are oppositely arranged in parallel, two ends of the mobile platform (2) are respectively connected with the two mounting frames (1-5) in a sliding fit manner, and a driving mechanism for driving the mobile platform (2) to be close to or far away from the bottom plate (1) is arranged on one of the mounting frames (1-5).
8. The integrated device for cell extrusion, needling and pullout force testing according to claim 7, characterized in that a pullout pressure sensor (7) is arranged on the mobile platform (2), and a displacement sensor is arranged on one of the mounting frames (1-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222882742.4U CN219625190U (en) | 2022-10-31 | 2022-10-31 | Integrated device for testing extrusion, needling and drawing force of battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222882742.4U CN219625190U (en) | 2022-10-31 | 2022-10-31 | Integrated device for testing extrusion, needling and drawing force of battery cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219625190U true CN219625190U (en) | 2023-09-01 |
Family
ID=87792512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222882742.4U Active CN219625190U (en) | 2022-10-31 | 2022-10-31 | Integrated device for testing extrusion, needling and drawing force of battery cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219625190U (en) |
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2022
- 2022-10-31 CN CN202222882742.4U patent/CN219625190U/en active Active
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