CN212693570U - Peeling force testing tool and peeling force testing device - Google Patents
Peeling force testing tool and peeling force testing device Download PDFInfo
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- CN212693570U CN212693570U CN202021404303.7U CN202021404303U CN212693570U CN 212693570 U CN212693570 U CN 212693570U CN 202021404303 U CN202021404303 U CN 202021404303U CN 212693570 U CN212693570 U CN 212693570U
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Abstract
The utility model belongs to the technical field of battery test equipment, concretely relates to peeling force test fixture, including be used for with the chuck matched with first plate body of pulling force machine and with the second plate body that first plate body is connected, the through-hole that runs through in its plate body side is seted up to the second plate body, the through-hole is used for holding and spacing quilt test object, first plate body with be provided with the gusset plate between the second plate body. Compared with the prior art, the utility model discloses a set up the gusset plate between first plate body and second plate body, improved the joint strength between first plate body and the second plate body effectively, when the peeling force test in the face of great dynamics, the gusset plate can disperse the effort between first plate body and the second plate body to prevent that first plate body and second plate body junction from taking place cracked phenomenon, improved the life of device and the stability of test. Furthermore, the utility model also provides a peeling strength testing arrangement.
Description
Technical Field
The utility model belongs to the technical field of battery test equipment, concretely relates to peeling force test fixture and peeling force testing arrangement.
Background
Lithium ion batteries are widely used in various industries due to their characteristics of high energy density, high operating voltage, long cycle life, no memory, low self-discharge, and light weight.
In the production process of the lithium ion battery, different testing procedures need to be carried out on the battery so as to ensure the delivery quality of the battery. The peel force test is an important part, but the peel force test includes a plurality of items, such as: the method comprises the following steps of battery pole piece stripping force testing, battery tab welding stripping force testing and the like. In the prior art, a battery is generally placed in a testing tool, and then a clamp of a tensile machine is used for clamping the testing tool to test the peeling strength of the battery, for example, a round lithium ion battery laser welding tensile testing tool disclosed in patent document CN202305384U includes a handle for clamping a tensile testing device and a limiting unit fixed with the handle for installing a welded battery cover and a welded positive tab from one side and limiting the moving space of the battery cover and the positive tab within a certain range. However, the above solution still has certain drawbacks: the test tool is connected with the limiting unit only through the handle, the connection strength is poor, in the actual test, the handle and the limiting unit are required to form a certain angle for testing, so the stress points between the handle and the limiting unit are mainly concentrated on the connection part of the handle and the limiting unit, when the test tool faces a peeling test with larger force, the connection part of the handle and the limiting unit is easy to break, and the service life is shortened.
In view of the above, there is a need for further improvement of the above prior art to meet the actual testing requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the peeling force testing tool is used for effectively solving the problem that the structural strength of the traditional battery peeling strength testing tool is low by arranging the reinforcing plate, and the service life of the device is prolonged and the testing stability is improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a peeling force test fixture, including be used for with the chuck matched with first plate body of tensile machine and with the second plate body that first plate body is connected, the through-hole that runs through in its plate body side is seted up to the second plate body, the through-hole is used for holding and spacing quilt test object, first plate body with be provided with the gusset plate between the second plate body.
In the utility model, the through hole can not be too big or too small, if the through hole is too big, the battery sample can not be effectively limited, and the battery sample can easily roll and move during the test, thereby influencing the test; if the through-hole undersize, the space between battery sample and the second plate body is less, and inconvenient battery sample gets and puts, because the space undersize between battery sample and the through-hole causes easy extrusion to battery sample surface in the testing process moreover, and then damages the battery sample, influences the precision of test, consequently, the size of through-hole should carry out rationality adaptation according to the size of battery sample. In addition, the gusset plate mainly plays a reinforcing role, and the connection strength between the first plate body and the second plate body is improved, wherein the gusset plate can be set to be one or more according to the test requirement, so that the peeling strength test requirements of different forces can be better met, and the applicability of the device is improved.
As right the utility model discloses in the improvement of peel force test fixture, first breach has been seted up to the face of second plate body, first breach with the through-hole intercommunication. First breach is used for drawing out the test site of battery sample, and wherein, the width of first breach should not too big or the undersize, should carry out the adaptability configuration according to the thickness by the part of drawing forth, in the utility model discloses in, the opening width of first breach sets up to 1 ~ 2mm that is greater than the part of drawing forth thickness. In addition, because the battery sample of every model probably needs to carry out the peel strength test of a plurality of positions, like utmost point ear welding stripping, pole piece peeling off etc. consequently, the battery of same model probably needs to change the outfit many times in the testing process, has influenced the efficiency of test, consequently, this first breach can also set up to more than two to make can once only install more than two battery samples in the second plate body, satisfied different test needs, save the time of changing the outfit, improve the efficiency of test.
As right the utility model discloses in the improvement of peel force test fixture, the second plate body still includes the second breach, first breach with the second breach intercommunication. Add the second breach, made between first breach and the second breach constitute "I" shape, "L" shape, "halter" style of calligraphy, "ten" style of calligraphy, "tie" style of calligraphy, "Contraband" style of calligraphy, "worker" style of calligraphy etc to form the structure similar to the draw-in groove, consequently, at the in-process of test, can prevent to be drawn forth in the battery sample and hold the phenomenon such as take place to slide, improved the stability in the testing process.
As right the utility model discloses in the improvement of peel force test fixture, first breach run through in the face of second plate body. The first notch is arranged to be a penetrating structure, so that the part needing to be tested in the battery sample can be conveniently led out, and the testing efficiency is improved.
As right the utility model discloses in peeling force test fixture's improvement, first plate body with first breach sets up respectively on two relative faces of second plate body, just first plate body with first breach corresponds the setting. Correspond first plate body and first breach and set up, help guaranteeing that the test fixture draws the dynamics balance from top to bottom in the testing process, improve the stability of test.
As right the utility model discloses in the improvement of peel force test fixture, first plate body with the second plate body sets up perpendicularly. In this kind of structure, set up first plate body and second plate body perpendicularly to correspond the setting with first breach, can carry out 90 peel strength tests to the battery sample quilt end effectively.
As right the utility model discloses in the improvement of peel force test fixture, first plate body the second plate body with be the integrated into one piece structure between the gusset plate. The first plate body, the second plate body and the reinforcing plate are arranged into an integrally formed structure, so that on one hand, the connection strength of the first plate body, the second plate body and the reinforcing plate can be obviously enhanced, and the service life of the device is prolonged; on the other hand, the whole testing tool is convenient to process, the assembling procedures are reduced, and the testing efficiency is improved.
As right the utility model discloses in the improvement of peel force test fixture, the tip surface of first plate body is provided with friction portion. The first plate body is used for clamping a chuck of a tensile machine, and the friction part is arranged on the surface of the end part of the first plate body, so that the friction coefficient of the surface of the end part of the first plate body and the friction force between the first plate body and the chuck of the tensile machine are increased, and the stability of a peel strength test is improved.
As right the utility model discloses in the improvement of peel force test fixture, the through-hole is in any one of circular, square, triangle-shaped and oval structure. The utility model discloses in, the through-hole mainly used installation battery sample carries on spacingly to the battery sample, prevents that the battery sample from taking place to roll, phenomenons such as drunkenness in the testing process, consequently, the shape of through-hole should carry out reasonable adaptation according to the shape of the battery sample of being tested, when testing circular battery, this through-hole should be preferred to set up to circular structure, again when testing square battery, this through-hole should be preferred to set up to square structure etc. to adapt to the battery sample better, improve the precision of test.
The beneficial effects of the utility model reside in that: compared with the prior art, the utility model discloses a set up the gusset plate between first plate body and second plate body, improved the joint strength between first plate body and the second plate body effectively, when the peeling force test in the face of great dynamics, the gusset plate can disperse the effort between first plate body and the second plate body to prevent that first plate body and second plate body junction from taking place cracked phenomenon, improved the life of device and the stability of test.
The utility model also provides a peeling force testing arrangement, this testing arrangement includes pulling force machine and anchor clamps, anchor clamps do the utility model discloses in peeling force test fixture. Through inciting somebody to action the utility model provides a peeling force test fixture uses in peeling force testing arrangement, can improve testing arrangement's whole life effectively, but also can adapt to the experimental requirement of the peeling test of big dynamics, has strengthened the utility model discloses an adaptability.
Drawings
Fig. 1 is one of the schematic structural diagrams of embodiment 1 of the present invention;
fig. 2 is one of the schematic structural diagrams of embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 4 is a schematic structural diagram of embodiment 3 of the present invention;
fig. 5 is a schematic structural diagram of embodiment 4 of the present invention;
in the drawings, 1-a first plate; 2-a second plate body; 3-reinforcing plates; 11-a friction portion; 21-a through hole; 22-a first notch; 23-second notch.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the present invention.
Example 1
Please refer to fig. 1-2, the utility model provides a peeling force test fixture, this peeling force test fixture is including being used for with the chuck matched with first plate body 1 of tensile machine and the second plate body 2 of being connected with first plate body 1, the through-hole 21 that runs through in its plate body side is seted up to second plate body 2, through-hole 21 is used for holding and spacing quilt test object, is provided with gusset plate 3 between first plate body 1 and the second plate body 2. The utility model discloses in, through set up gusset plate 3 between first plate body 1 and second plate body 2, can play reinforced (rfd) effect to first plate body 1 and second plate body 2 effectively, thereby improve joint strength between them, when the peeling strength test to great dynamics, gusset plate 3 can disperse the effort between first plate body 1 and the second plate body 2, thereby prevented that first plate body 1 and second plate body 2 junction from taking place cracked phenomenon, improved the life of device and the stability of test. In the basis the utility model provides an in the peel force test fixture, both can adopt split type structure between first plate body 1, second plate body 2 and the gusset plate 3, also can adopt integrated into one piece's structure, but, in order to make the effect between first plate body 1, second plate body 2 and the gusset plate 3 better, in this embodiment, adopt integrated into one piece's structure, strengthened this test fixture's peel force bearing capacity. It should be noted that, because the peel strength test requirement of the battery sample of different positions or different models of battery sample all is different, consequently, the utility model discloses in, reinforcing plate 3 can also set up to one or more according to specific test requirement to adapt to different test demands better, thereby improve the suitability of device.
In the peeling force testing tool according to the present invention, since the through hole 21 is used for accommodating and limiting the battery sample, and in the field, the battery sample is generally in a square or circular structure, in this embodiment, the through hole 21 is configured in a square structure, so as to better adapt to the testing of the square battery sample.
Preferably, the first notch 22 has been seted up to the face of the second plate body 2, and first notch 22 communicates with through-hole 21 to the one end of first notch 22 is connected on the edge of the face of the second plate body 2, and the other end sets up on the face central point of the second plate body 2 puts. First breach 22 is used for drawing out the test site of battery sample, and wherein, the width of first breach 22 should not too big or the undersize, should carry out the adaptability configuration according to the thickness of being drawn forth the part, in the utility model discloses in, the opening width of first breach 22 sets up to be greater than 1 ~ 2mm of drawing forth part thickness.
In addition, the number of the first notches 22 may be one or more than two, and this is mainly because in the actual testing process, the battery samples of each model may need to be subjected to the peel strength tests of multiple parts, such as tab welding peeling, pole piece peeling, and the like, so that the batteries of the same model may need to be replaced many times in the testing process, which affects the testing efficiency, and therefore, if the number of the first notches 22 is one or more than one, more than two battery samples can be simultaneously installed in the second plate body 2, so that different testing requirements can be met, a large amount of time for replacing the battery samples is saved, and the testing efficiency is improved.
Preferably, the second plate 2 further comprises a second notch 23, and the first notch 22 is communicated with the second notch 23. Add second breach 23, made "I" shape, "L" shape, "halberd" style of calligraphy, "ten" style of calligraphy, "the line of the book" style of calligraphy, "Contraband" style of calligraphy, "worker" style of calligraphy etc. have been constituted between first breach 22 and the second breach 23 to form the structure similar to the draw-in groove, consequently, at the in-process of test, can prevent to be drawn forth in the battery sample and hold the phenomenon such as take place to slide, improved the stability in the testing process.
Preferably, the first plate 1 and the first notch 22 are respectively disposed on two opposite surfaces of the second plate 2, and the first plate 1 and the first notch 22 are disposed correspondingly. With first plate body 1 and the corresponding setting of first breach 22, help guaranteeing that the test frock is drawing the dynamics balance from top to bottom in the testing process, improve the stability of test.
Preferably, the end surface of the first plate body 1 is provided with a friction portion 11. The friction part 11 is arranged on the end surface of the first plate body 1, which is beneficial to increasing the friction coefficient of the end surface of the first plate body 1 and the friction force between the end surface and a chuck of the tension machine, thereby improving the stability of the peeling strength test.
Example 2
As shown in fig. 3, unlike embodiment 1, in the present embodiment, the through hole 21 has a circular structure, and therefore, when the object to be tested is a circular battery, the present embodiment can better satisfy the test requirements of the circular battery sample.
The other structures are the same as those of embodiment 1, and are not described again here.
Example 3
As shown in fig. 4, unlike the embodiment 1, in the present embodiment, the first notch 22 penetrates through the plate surface of the second plate body 2. The other structures are the same as those of embodiment 1, and are not described again here. Compared with the scheme of embodiment 1, the first notch 22 is set to be a penetrating structure in this embodiment, and because the two ends of the first notch 22 are opened, the part to be tested in the battery sample can be led out more conveniently, and the testing efficiency is further improved.
Example 4
As shown in fig. 5, the first plate 1 is perpendicular to the second plate 2. In this embodiment, mainly provide a 90 peeling force test fixture structure, because first plate body 1 corresponds the setting with second plate body 2, consequently, at the in-process of test, can improve the stability when drawing the atress from top to bottom of battery sample effectively, strengthened the precision of test.
Furthermore, the utility model also provides a testing arrangement, including pulling force machine and anchor clamps, wherein, this anchor clamps do the utility model provides a peeling force test fixture. Through inciting somebody to action the utility model provides a peeling force test fixture uses in peeling force testing arrangement, can improve testing arrangement's whole life effectively, but also can adapt to the experimental requirement of the peeling test of big dynamics, has strengthened the utility model discloses an adaptability.
Claims (10)
1. The utility model provides a peeling force test fixture which characterized in that: including be used for with the chuck matched with first plate body (1) of tensile machine and with second plate body (2) that first plate body (1) is connected, through-hole (21) that run through in its plate body side are seted up to second plate body (2), through-hole (21) are used for holding and spacing quilt test object, first plate body (1) with be provided with reinforcing plate (3) between second plate body (2).
2. The peeling force testing tool according to claim 1, characterized in that: first breach (22) have been seted up to the face of second plate body (2), first breach (22) with through-hole (21) intercommunication.
3. The peeling force testing tool according to claim 2, characterized in that: the second plate body (2) further comprises a second notch (23), and the first notch (22) is communicated with the second notch (23).
4. The peeling force testing tool according to claim 2, characterized in that: the first notch (22) penetrates through the plate surface of the second plate body (2).
5. The peeling force testing tool according to claim 2, characterized in that: the first plate body (1) and the first notch (22) are respectively arranged on two opposite surfaces of the second plate body (2), and the first plate body (1) and the first notch (22) are correspondingly arranged.
6. The peeling force testing tool according to claim 5, characterized in that: the first plate body (1) and the second plate body (2) are arranged vertically.
7. The peeling force testing tool according to claim 1, characterized in that: the first plate body (1), the second plate body (2) and the reinforcing plate (3) are integrally formed.
8. The peeling force testing tool according to claim 1, characterized in that: the end surface of the first plate body (1) is provided with a friction part (11).
9. The peeling force testing tool according to claim 1, characterized in that: the through hole (21) is in any one of a circular structure, a square structure, a triangular structure and an oval structure.
10. A peeling force testing device is characterized in that: the peeling force testing tool comprises a tensile machine and a clamp, wherein the clamp is the peeling force testing tool according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021404303.7U CN212693570U (en) | 2020-07-16 | 2020-07-16 | Peeling force testing tool and peeling force testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021404303.7U CN212693570U (en) | 2020-07-16 | 2020-07-16 | Peeling force testing tool and peeling force testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212693570U true CN212693570U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021404303.7U Active CN212693570U (en) | 2020-07-16 | 2020-07-16 | Peeling force testing tool and peeling force testing device |
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| Country | Link |
|---|---|
| CN (1) | CN212693570U (en) |
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- 2020-07-16 CN CN202021404303.7U patent/CN212693570U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220125 Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli new energy battery technology Co.,Ltd. Address before: 210000 No.15, Huashang Road, Airport Economic Development Zone, Jiangning District, Nanjing City, Jiangsu Province Patentee before: Jiangsu Tafel Power System Co.,Ltd. Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |