CN219810824U - Lithium battery pole piece stripping experimental device - Google Patents
Lithium battery pole piece stripping experimental device Download PDFInfo
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- CN219810824U CN219810824U CN202320529204.9U CN202320529204U CN219810824U CN 219810824 U CN219810824 U CN 219810824U CN 202320529204 U CN202320529204 U CN 202320529204U CN 219810824 U CN219810824 U CN 219810824U
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- piece
- clamping
- moving block
- pole piece
- lithium battery
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 238000002474 experimental method Methods 0.000 claims description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
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Abstract
The utility model provides a lithium battery pole piece stripping experimental device, which comprises two pole piece clamping devices and is characterized in that each pole piece clamping device comprises a body piece, a connecting piece, a first clamping piece and a second clamping piece, wherein a first end of the connecting piece is connected to the body piece, and a second end of the connecting piece is connected to a universal testing machine; the first clamping piece and the second clamping piece are respectively connected to the body piece, the first clamping piece and the second clamping piece are oppositely arranged, and the first clamping piece and the second clamping piece are used for clamping or loosening the lithium battery pole piece. According to the utility model, manual adjustment by a tester is not needed, and the upper and lower centering of the measured pole piece can be accurately maintained; the rubber pads are adhered to the opposite surfaces of the first moving block and the second moving block and are provided with the guide device, so that slipping can be effectively prevented, and the accuracy of experimental results is greatly improved.
Description
Technical Field
The utility model belongs to the field of battery material testing, and particularly relates to a lithium battery pole piece stripping experimental device.
Background
The pole piece stripping experiment refers to stripping the material adhered to the surface of the pole piece substrate, and detecting the maximum force required during stripping, and generally the stripping is carried out by a universal testing machine, in the process of using the universal testing machine, clamping work is carried out by using a clamp, the existing clamp is mostly manually clamped or semi-automatically and pneumatically clamped, the manual clamp is time-consuming and labor-consuming in measuring samples with different thicknesses, and the operation is relatively slow; the semi-automatic pneumatic clamp is difficult to keep the tested sample centered, and needs to manually adjust a knob to repeatedly clamp and confirm. In addition, the weight of the clamp affects the measurement range, and the weight of the clamp excessively affects the measurement range of the peeling experiment, so that small-range measurement cannot be performed.
Disclosure of Invention
In view of the above, the utility model aims to provide a lithium battery pole piece stripping experimental device which can clamp samples with different thicknesses without manual adjustment, and has the advantages of convenient operation and wide measurable range.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the lithium battery pole piece stripping experimental device comprises two pole piece clamping devices, wherein each pole piece clamping device comprises a body piece, a connecting piece, a first clamping piece and a second clamping piece, a first end of the connecting piece is connected to the body piece, and a second end of the connecting piece is connected to a universal testing machine; the first clamping piece and the second clamping piece are respectively connected to the body piece, the first clamping piece and the second clamping piece are oppositely arranged, and the first clamping piece and the second clamping piece are used for clamping or loosening the lithium battery pole piece.
Further, the top of the body member is provided with a mounting hole, a first end of the connecting member is coupled to the mounting hole, a first through hole is formed in the side wall of the body member, which is close to the mounting hole, a second through hole corresponding to the first through hole is formed in the connecting member, and a screw penetrates through the first through hole and the second through hole and is locked through a nut, so that the body member and the connecting member are fixedly connected.
Further, the body piece is U type structure, first clamping piece and second clamping piece set up respectively in the both ends of U type structure, the connecting piece sets up in the top of U type structure.
Further, the first clamping member includes a first cylinder and a first moving block, the first moving block being connected to an output end of the first cylinder, the first cylinder being fixedly connected to the body member, the first moving block being slidably connected to the body member; and/or
The second clamping member includes a second cylinder and a second movable block, the second movable block being connected to an output end of the second cylinder, the second cylinder being fixedly connected to the body member, the second movable block being slidably connected to the body member.
Further, the first cylinder is fixedly connected to the body member by a threaded connection; and/or
The second cylinder is fixedly connected to the body member by threaded connection.
Further, the first moving block is fixedly connected to the output end of the first cylinder in a set screw mode; and/or
The second movable block is fixedly connected to the output end of the second air cylinder in a set screw mode.
Further, the first clamping member further includes a first guide assembly by which the first moving block is slidably coupled to the body member; and/or
The second clamping member further includes a second guide assembly by which the second moving block is slidably coupled to the body member.
Further, the body member is provided with a mounting groove,
the first moving block and/or the second moving block is provided with holes,
the first guide assembly comprises four guide posts, one ends of the guide posts are inserted into the holes of the first moving block, and the other ends of the guide posts are fixedly connected into the mounting grooves of the body piece; and/or
The second guide assembly comprises four guide posts, one ends of the guide posts are inserted into the holes of the second moving block, and the other ends of the guide posts are fixedly connected to the mounting grooves of the body piece.
Further, the first moving block and/or the second moving block are/is provided with a rubber pad.
Further, the body piece is made of high-strength aluminum alloy; and/or the connecting piece is made of high-strength aluminum alloy.
Compared with the prior art, the lithium battery pole piece stripping experimental device has the following advantages:
(1) The two pole piece clamping devices are adopted to automatically clamp the pole pieces, the operation is simple, samples with different thicknesses can be clamped without manual adjustment, the operation is stable, the operation is convenient, and the stripping experiment can be accurately completed;
(2) The first air cylinder and the second air cylinder are controlled to control the movement of the first moving block and the second moving block, and the two moving blocks can be mutually close to or far away from each other at the same time, wherein the first air cylinder is responsible for centering, and the second air cylinder is responsible for clamping, so that the upper and lower centering of a measured pole piece can be accurately kept;
(3) The first moving block and the second moving block are provided with rubber pads, so that the pole piece slipping phenomenon can be effectively prevented, and the accuracy of an experiment result is improved;
(4) The body part and the connecting part are made of high-strength aluminum alloy, so that the weight is greatly reduced while the strength is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a pole piece clamping device according to an embodiment of the present utility model;
FIG. 2 is a schematic illustration of a clamping member coupled to a body member in a pole piece clamping device according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a lithium battery pole piece stripping experimental device according to an embodiment of the utility model.
Reference numerals illustrate:
1. a body member; 12. a mounting hole; 13. a through hole; 2. a connecting piece; 3. a first moving block; 4. a second moving block; 5. a first cylinder; 6. a second cylinder; 7. and a guide assembly.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in 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 orientation, be configured and operated in a specific orientation, 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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either 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 can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The utility model provides a lithium battery pole piece stripping experimental apparatus, as shown in fig. 3, includes two pole piece clamping devices, and these two pole piece clamping devices correspond the setting, press from both sides the both ends of tight lithium battery pole piece respectively. As shown in fig. 1, the pole piece clamping device comprises a body member 1, a connecting member 2, a first clamping member and a second clamping member. The first end of the connector 2 is connected to the body member 1 and the second end of the connector 2 is connected to a universal tester (not shown). The first clamping piece and the second clamping piece are respectively connected to the body piece 1, and are oppositely arranged and used for clamping or loosening the lithium battery pole piece.
The pole piece clamping device is connected to a universal tester through a connecting piece 2. In a specific embodiment, the top of the body member 1 is provided with a mounting hole, the first end of the connecting member 2 is coupled to the mounting hole, a first through hole is formed in a side wall of the body member 1 near the mounting hole, a second through hole corresponding to the first through hole is formed in the connecting member 2, and a screw penetrates through the first through hole and the second through hole and is locked through a nut, so that the body member 1 and the connecting member 2 are fixedly connected. The other end of the connecting piece 2 is connected to a universal tester by a bolt. In order to ensure both strength and weight, the body member 1 and/or the connecting member 2 is made of a high strength aluminum alloy.
As shown in fig. 1, the body member 1 has a U-shaped structure, the first clamping member and the second clamping member are respectively disposed at two ends of the U-shaped structure, and the connecting member 2 is disposed at the top of the U-shaped structure. The first clamping member comprises a first cylinder 5 and a first moving block 3, the first moving block 3 being connected to the output end of the first cylinder 5, the first cylinder being fixedly connected to the body member 1, the first moving block 3 being slidably connected to the body member 1. The second clamping member comprises a second cylinder 6 and a second moving block 4, the second moving block 4 being connected to the output end of the second cylinder 6, the second cylinder 6 being fixedly connected to the body member 1, the second moving block 3 being slidably connected to the body member 1. The first cylinder 5 is used for driving the movement of the first moving block 3, the second cylinder 6 is used for driving the movement of the second moving block 4, and the first moving block 3 and the second moving block 4 are used for clamping or loosening the lithium battery pole pieces. In a specific embodiment, the first moving block 3 and the second moving block 4 are provided with rubber pads in order to prevent the pole pieces from slipping.
In a particular embodiment, first cylinder 5 is fixedly coupled to body member 1 by a threaded connection and/or second cylinder 6 is fixedly coupled to body member 1 by a threaded connection. The first moving block 3 is fixedly connected to the output end of the first cylinder 5 by means of a set screw, and/or the second moving block 4 is fixedly connected to the output end of the second cylinder 6 by means of a set screw.
In a particular embodiment, as shown in fig. 2, to achieve a sliding connection of the first moving block 3 with the body member 1, the first clamping member further comprises a first guiding assembly by which the first moving block 3 is slidably connected to the body member 1. Specifically, the body member 1 is provided with a mounting groove, the first moving block 3 is provided with a hole, the first guide assembly includes four guide posts, one end of each guide post is inserted into the hole of the first moving block 3, and the other end of each guide post is fixedly connected to the mounting groove of the body member 1. Likewise, to achieve a sliding connection of the second moving block 4 and the body member 1, the second clamping member further comprises a second guide assembly by which the second moving block 4 is slidably connected to the body member 1. Specifically, the body member 1 is provided with a mounting groove, the second moving block 4 is provided with a hole, the second guide assembly includes four guide posts, one end of each guide post is inserted into the hole of the second moving block 4, and the other end of each guide post is fixedly connected to the mounting groove of the body member 1.
In the present utility model, the first cylinder 5 is responsible for centering, specifically, by applying pressure to the first cylinder 5, so that the first cylinder 5 controls the first moving block 3 to move a fixed distance to ensure that the pole piece is located at the middle position; the second cylinder 6 is responsible for clamping, and in particular, by applying pressure to the second cylinder 6, controlling the movement of the second moving block 4, clamping of the pole piece can be achieved when the pressure applied to the second cylinder 6 meets a preset value (e.g., 0.4-0.6 MPa).
The lithium battery pole piece stripping experimental device is provided with two pole piece clamping devices, and the working process of the lithium battery pole piece stripping experimental device is provided by the utility model: the two pole piece clamping devices are correspondingly arranged and are respectively arranged at the upper end and the lower end of the universal testing machine through the connecting piece 2; the first air cylinder 5 of each pole piece clamping device applies the same acting force to the first movable block 3, so that the first movable blocks 3 of the two pole piece clamping devices move by the same distance (centering is realized); preventing a lithium battery pole piece from being between two pole piece clamping devices; the second air cylinder 6 of each pole piece clamping device applies the same acting force to the second movable block 4, so that the second movable block 4 and the first movable block 3 of the two pole piece clamping devices respectively clamp the two ends of the pole piece of the lithium battery, and clamping is realized.
According to the lithium battery pole piece stripping experimental device, the two pole piece clamping devices are adopted to automatically clamp the pole pieces, so that the operation is simple, samples with different thicknesses can be clamped without manual adjustment, the operation is stable, the operation is convenient, and the stripping experiment can be accurately completed; the first air cylinder and the second air cylinder are controlled to control the movement of the first moving block and the second moving block, and the two moving blocks can be mutually close to or far away from each other at the same time, wherein the first air cylinder is responsible for centering, and the second air cylinder is responsible for clamping, so that the upper and lower centering of a measured pole piece can be accurately kept; the first moving block and the second moving block are provided with rubber pads, so that the pole piece slipping phenomenon can be effectively prevented, and the accuracy of an experiment result is improved; the body part and the connecting part are made of high-strength aluminum alloy, so that the weight is greatly reduced while the strength is ensured.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. The lithium battery pole piece stripping experimental device comprises two pole piece clamping devices and is characterized in that each pole piece clamping device comprises a body piece, a connecting piece, a first clamping piece and a second clamping piece, wherein a first end of the connecting piece is connected to the body piece, and a second end of the connecting piece is connected to a universal testing machine; the first clamping piece and the second clamping piece are respectively connected to the body piece, the first clamping piece and the second clamping piece are oppositely arranged, and the first clamping piece and the second clamping piece are used for clamping or loosening the lithium battery pole piece.
2. The lithium battery pole piece stripping experimental device according to claim 1, wherein a mounting hole is formed in the top of the body member, a first end of the connecting member is coupled to the mounting hole, a first through hole is formed in a side wall of the body member, which is close to the mounting hole, a second through hole corresponding to the first through hole is formed in the connecting member, and a screw penetrates through the first through hole and the second through hole and is locked through a nut, so that the body member and the connecting member are fixedly connected.
3. The lithium battery pole piece stripping experimental device according to claim 1, wherein the body piece is of a U-shaped structure, the first clamping piece and the second clamping piece are respectively arranged at two ends of the U-shaped structure, and the connecting piece is arranged at the top of the U-shaped structure.
4. A lithium battery pole piece peeling experiment device according to any one of the claims 1-3, wherein,
the first clamping piece comprises a first air cylinder and a first moving block, the first moving block is connected to the output end of the first air cylinder, the first air cylinder is fixedly connected to the body piece, and the first moving block is connected to the body piece in a sliding mode; and/or
The second clamping member includes a second cylinder and a second movable block, the second movable block being connected to an output end of the second cylinder, the second cylinder being fixedly connected to the body member, the second movable block being slidably connected to the body member.
5. The lithium battery pole piece peeling experiment device according to claim 4, wherein,
the first cylinder is fixedly connected to the body member by a threaded connection; and/or
The second cylinder is fixedly connected to the body member by threaded connection.
6. The lithium battery pole piece peeling experiment device according to claim 4, wherein,
the first moving block is fixedly connected to the output end of the first cylinder in a set screw mode; and/or
The second movable block is fixedly connected to the output end of the second air cylinder in a set screw mode.
7. The lithium battery pole piece peeling experiment device according to claim 4, wherein,
the first clamping member further includes a first guide assembly by which the first moving block is slidably coupled to the body member; and/or
The second clamping member further includes a second guide assembly by which the second moving block is slidably coupled to the body member.
8. The lithium battery pole piece peeling experiment device according to claim 7, wherein,
the body member is provided with a mounting slot,
the first moving block and/or the second moving block is provided with holes,
the first guide assembly comprises four guide posts, one ends of the guide posts are inserted into the holes of the first moving block, and the other ends of the guide posts are fixedly connected into the mounting grooves of the body piece; and/or
The second guide assembly comprises four guide posts, one ends of the guide posts are inserted into the holes of the second moving block, and the other ends of the guide posts are fixedly connected to the mounting grooves of the body piece.
9. The lithium battery pole piece peeling experiment device according to claim 4, wherein the first moving block and/or the second moving block is/are provided with a rubber pad.
10. The lithium battery pole piece peeling experiment device according to claim 1, wherein,
the body part is made of high-strength aluminum alloy; and/or the connecting piece is made of high-strength aluminum alloy.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320529204.9U CN219810824U (en) | 2023-03-17 | 2023-03-17 | Lithium battery pole piece stripping experimental device |
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CN202320529204.9U CN219810824U (en) | 2023-03-17 | 2023-03-17 | Lithium battery pole piece stripping experimental device |
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CN219810824U true CN219810824U (en) | 2023-10-10 |
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CN202320529204.9U Active CN219810824U (en) | 2023-03-17 | 2023-03-17 | Lithium battery pole piece stripping experimental device |
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