CN217426861U - Extrusion tool for extracting electric core flatulence - Google Patents
Extrusion tool for extracting electric core flatulence Download PDFInfo
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- CN217426861U CN217426861U CN202220697783.3U CN202220697783U CN217426861U CN 217426861 U CN217426861 U CN 217426861U CN 202220697783 U CN202220697783 U CN 202220697783U CN 217426861 U CN217426861 U CN 217426861U
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Abstract
The utility model provides an extrusion frock for drawing electric core flatulence, including the base to and locate fender portion of putting and extrusion mechanism on the base, and keep off portion of putting and extrusion mechanism and mutual disposition on the length direction of base, keep off the portion of putting and be formed with the station of placing that is used for placing and treats extrusion electric core between one side of extrusion portion and the base, extrusion mechanism has and can be driven to the extrusion portion that keeps off the portion of putting and remove, with the extrusion of formation to placing the electric core on the station. The utility model discloses an extrusion frock for drawing electric core flatulence can make flatulence in the electric core abundant, discharge fast, reduces the waste of manual work and time to it fires to cause the injury to the staff to avoid bulging electric core inefficacy among the exhaust process.
Description
Technical Field
The utility model relates to a lithium ion battery technical field, in particular to an extrusion frock for drawing electric core flatulence.
Background
The square-shell lithium battery is divided into different systems such as lithium manganate, lithium cobaltate, lithium iron phosphate, ternary materials and the like, and the shell of the square-shell lithium battery is mainly a steel shell and an aluminum shell. The aluminum shell lithium battery is widely applied due to the advantages of easy molding, light weight, wide working temperature range, no pollution to the environment and the like. In the development process of the square-shell lithium battery, tests such as charging and discharging need to be carried out on the square-shell lithium battery, and the components of the square-shell lithium battery are further optimized according to test results.
The important item in the process of testing the square-shell battery cell is to verify that the battery cell has the problems of gas expansion, bulging and the like under the condition that the battery cell exceeds the normal working time, and the total amount and the composition of the gas expansion are tested by extracting the gas expansion in the battery cell, so that the failure reason of the square-shell lithium battery is analyzed, and the performance of the battery cell is further optimized.
When extracting the flatulence gas in the battery cell, the battery cell is generally placed in a paraffin pool, and the battery cell leaks gas by puncturing the battery cell, so that the fault gas is extracted. However, the residual flatulence gas in the battery cell is left after the exhaust is finished, and the battery cell is often manually extruded so as to completely exhaust the flatulence gas in the battery cell.
However, during manual extrusion, the problems of small stress area, uneven stress and the like of the battery cell exist, so that part of gas still exists in the shell in the gas taking process, the total gas expansion test result is low, and when the content of the components is analyzed, the problems of deviation of the analysis direction and the like caused by the fact that the gas which is not taken out is not tested are caused, and the accuracy of the test result is influenced. In addition, extrude through the manual work, on the one hand the extrusion efficiency is lower, and on the other hand, at the carminative in-process of extrusion, if the battery package became invalid and catches fire, easily caused the injury to the staff.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to an extrusion tool for extracting cell inflation so as to extract the inflation in the cell.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
an extrusion tool for extracting electric core flatulence comprises a base, a blocking part and an extrusion mechanism, wherein the blocking part and the extrusion mechanism are arranged on the base and are oppositely arranged in the length direction of the base; a placing station for placing the battery cell to be extruded is formed between one side, facing the extruding part, of the blocking part and the base; the extrusion mechanism is provided with an extrusion part which is driven to move towards the blocking part so as to extrude the battery cell on the placing station.
Further, the extrusion mechanism comprises a driving part arranged on the base, and the driving part is used for driving the extrusion part to be close to or far away from the blocking part.
Further, the driving part is arranged on the base through a movable seat.
Further, the movable seat slides on the base in a reciprocating manner along the moving path of the pressing part.
Further, the driving part adopts an air cylinder;
the extrusion part comprises an extrusion block arranged on a cylinder rod of the cylinder.
Furthermore, the corner of the pressing block facing the blocking part is provided with a chamfer.
Furthermore, a control valve for adjusting the moving speed of the air cylinder is arranged on the air cylinder.
Further, the blocking portion comprises a blocking block detachably arranged on the base, and the placing station is formed between one side, facing the squeezing portion, of the blocking block and the base.
Furthermore, a connecting flange is formed on one side, back to the placing station, of the blocking block, and the connecting flange is connected with the base through a connecting piece.
Further, the base and/or the extrusion part are made of mica plates, epoxy plates or carbon film plates.
Compared with the prior art, the utility model discloses following advantage has:
a extrusion frock for drawing electric core flatulence, through being provided with extrusion mechanism and keeping off the portion of putting to drive extrusion portion removes to keeping off the portion of putting, and can form the extrusion to electric core, and then make the flatulence in the electric core abundant, discharge fast, thereby promote the accuracy to electric core test result, and can reduce the waste of manual work and time, and avoid in the exhaust process swell electric core inefficacy to catch fire and cause the injury to the staff.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of an overall structure of an extrusion tool for extracting cell inflation according to a first embodiment of the present invention;
fig. 2 is a top view of an extrusion tool for extracting cell swelling gas according to a first embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
description of reference numerals:
1. a base; 100. a chute; 101. a first chute; 102. a second chute;
2. a blocking part; 201. a blocking block; 202. connecting the flanging;
3. an extrusion mechanism; 301. a drive section; 302. a pressing section; 303. an air inlet; 304. a through hole;
4. bulging the battery core; 401. an explosion-proof valve; 5. a bolt; 6. placing a station; 7. and a movable seat.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", "front", "rear", "left", "right", "top", "bottom" and the like appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same order, but are to be construed as referring to the same order.
In addition, in the description of the present invention, the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically limited. For example, the connection may be fixed, detachable, or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
The utility model relates to an extrusion frock for drawing electric core flatulence, overall structure is last, and it includes base 1 to and locate fender portion of putting 2 and extrusion mechanism 3 on base 1, and keep off portion of putting 2 and extrusion mechanism 3 and relative arrangement on the length direction of base 1. A placing station 6 for placing the battery cell to be pressed is formed between the side of the blocking part 2 facing the pressing part 302 and the base 1, and the pressing mechanism 3 has a pressing part 302 driven to move towards the blocking part 2 so as to press the battery cell on the placing station 6.
It should be noted that the electric core to be extruded in this embodiment is a bulge electric core 4, that is, an electric core with internal flatulence, and the explosion-proof valve 401 located at the top of the bulge electric core 4 is already punctured during extrusion of the bulge electric core 4.
Based on the above general description, as shown in fig. 1 to 3, in the present embodiment, the base 1 is a mounting base body of the blocking portion 2 and the pressing mechanism 3, and is specifically a rectangular parallelepiped plate-shaped structure, the pressing mechanism 3 is disposed on one side of the base 1, the blocking portion 2 is disposed on the base 1 on the side opposite to the side where the pressing mechanism 3 is disposed, and the placing station 6 is formed between the pressing mechanism 3 and the blocking portion 2.
In addition, when concrete implementation, can be provided with the mechanism that carries out centre gripping or location to electric core commonly used among the prior art in placing station 6 department, fix a position electric core like locating pin etc. and prevent to carry out extruded in-process to electric core, electric core emergence is rocked.
In order to facilitate the driving of the extrusion part 302 to move, so as to extrude the bulge electric core 4, in particular, the extrusion mechanism 3 includes a driving part 301 disposed on the base 1, and the driving part 301 is configured to drive the extrusion part 302 to approach or be away from the blocking part 2.
The driving unit 301 is provided on the base 1 via the movable base 7. Preferably, the driving portion 301 and the movable base 7 are connected by a bolt 5, and the movable base 7 and the base 1 are also connected by a bolt 5.
In order to enable pressing for different types of cells, the movable base 7 is slid on the base 1 along the movement path of the pressing portion 302 in a reciprocating manner during installation. In the concrete structure, the sliding groove 100 is arranged on the base 1, the threaded hole is formed in the bottom of the movable seat 7, the bolt 5 penetrates through the sliding groove 100 and is screwed into the threaded hole, the movable seat 7 is fixed on the base 1, and when the bolt 5 is screwed out of the threaded hole, the movable seat 7 can move on the base 1.
And in order to facilitate the installation of the bolt 5, the sliding groove 100 may include a first sliding groove 101 and a second sliding groove 102 which are arranged up and down, and the width of the second sliding groove 102 is greater than that of the first sliding groove 101, when the bolt 5 is screwed tightly, the bottom of the bolt 5 may abut against the groove bottom of the second sliding groove 102.
In addition, the driving portion 301 may employ a cylinder commonly used in the art, and the pressing portion 302 includes a pressing block provided on a cylinder rod of the cylinder. As shown in fig. 2 and 3, two air inlets 303 are provided at the side of the cylinder, and both air inlets 303 are connected to an air source, and the extension and retraction of the cylinder rod can be controlled by controlling the air supply to the two air inlets 303.
In specific implementation, the two air inlets 303 are connected with the two-position five-way solenoid valve and then connected with the air source, so that air in the air source can be controlled to enter the air cylinder from one air inlet 303, and the extension or retraction of the air cylinder rod can be controlled. And in order to facilitate the installation of the cylinder on the movable base 7, a through hole 304 is provided along the height direction of the cylinder, and a threaded hole is provided at the top of the movable base 7 so as to connect the cylinder to the movable base 7 through a bolt 5.
In addition, in order to prevent the bulge core 4 from being damaged by the pressing block, a chamfer is provided at a corner of the pressing block on the side facing the stopper 2, and the chamfer is preferably a rounded chamfer. And further preferably, a control valve for adjusting the moving speed of the cylinder is arranged on the cylinder, and in specific implementation, the control valve can be arranged at the air inlet 303, so that the stretching speed of the cylinder rod is controlled by controlling the speed of air entering the cylinder, and the phenomenon that the bulge electric core 4 is damaged due to overlarge impact force of the extrusion block on the bulge electric core 4 caused by the overhigh stretching speed of the cylinder rod is prevented.
As shown in fig. 1 and 3, the stopper 2 includes a stopper 201 detachably provided on the base 1, and the placing station 6 is formed between a side of the stopper 201 facing the pressing portion 302 and the base 1. In order to facilitate the connection between the blocking block 201 and the base 1, a connecting flange 202 is formed on one side of the blocking block 201, which faces away from the placing station 6, and the connecting flange 202 is connected with the base 1 through a connecting piece. In practical implementation, a threaded hole is formed in the bottom of the base 1, and the connecting piece is a bolt 5 which penetrates through the sliding groove 100 from the bottom of the base and is screwed into the threaded hole.
In addition, in order to prevent the cell from being damaged due to a short circuit between the base 1 or the pressing portion 302 and the cell, the pressing portion 302 of the base 1 in this embodiment is preferably made of a mica plate, an epoxy plate, or a carbon film plate.
In addition, the tool is also provided with a control unit for controlling the control valve and the two-position five-way electromagnetic valve so as to control the expansion and contraction of the cylinder rod. When the device is selected, control devices such as a PLC (programmable logic controller) and the like commonly used in the prior art can be selected.
This an extrusion frock for drawing battery core flatulence when using, places it in the paraffin pond to soak this frock in paraffin aquatic completely, put piece 201 removal and form the extrusion to battery core through the control extrusion piece to keeping off. Since the explosion-proof valve 401 at the top of the cell has been pierced before the cell is pressed, the inflation gas escapes from the position of the explosion-proof valve 401 under the pressing of the pressing block.
In addition, the position of the opening of the explosion-proof valve 401 of the battery cell can be communicated with a gas collecting device, so that the gas escaping from the explosion-proof valve 401 can be collected.
The extrusion frock for drawing electric core flatulence of this embodiment is through being provided with extrusion mechanism 3 and fender portion 2 to drive extrusion portion 302 removes to fender portion 2, and can form the extrusion to electric core, and then makes the flatulence in the electric core abundant, discharge fast, promotes the accuracy to electric core test result, and can reduce the waste of manual work and time, and avoid among the exhaust process bulge electric core 4 inefficacy to catch fire and cause the injury to the staff.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an extrusion frock for drawing electric core flatulence which characterized in that:
the device comprises a base (1), and a blocking part (2) and a squeezing mechanism (3) which are arranged on the base (1), wherein the blocking part (2) and the squeezing mechanism (3) are oppositely arranged in the length direction of the base (1);
a placing station (6) for placing the to-be-extruded battery cell is formed between one side of the blocking part (2) facing the extrusion part (302) and the base (1);
the pressing mechanism (3) is provided with a pressing part (302) which is driven to move towards the blocking part (2) so as to form pressing on the battery core on the placing station (6).
2. The extrusion tool for extracting cell swelling gas according to claim 1, characterized in that:
the extrusion mechanism (3) comprises a driving part (301) arranged on the base (1), and the driving part (301) is used for driving the extrusion part (302) to be close to or far away from the blocking part (2).
3. The extrusion tool for extracting cell swelling gas according to claim 2, characterized in that:
the driving part (301) is arranged on the base (1) through a moving seat (7).
4. The extrusion tool for extracting cell swelling gas according to claim 3, characterized in that:
the moving seat (7) slides on the base (1) in a reciprocating manner along the moving path of the extrusion part (302).
5. The extrusion tool for extracting cell swelling gas according to claim 2, characterized in that:
the driving part (301) adopts an air cylinder;
the extrusion part (302) comprises an extrusion block arranged on a cylinder rod of the air cylinder.
6. The extrusion tool for extracting cell swelling gas according to claim 5, characterized in that:
the corner of one side of the extrusion block facing the blocking part (2) is provided with a chamfer.
7. The extrusion tool for extracting cell swelling gas according to claim 5, characterized in that:
and the cylinder is provided with a control valve for adjusting the moving speed of the cylinder.
8. The extrusion tooling for extracting cell swelling gas as claimed in claim 1, characterized in that:
the blocking part (2) comprises a blocking block (201) detachably arranged on the base (1), and the placing station (6) is formed between one side, facing the squeezing part (302), of the blocking block (201) and the base (1).
9. The extrusion tool for extracting cell swelling gas of claim 8, characterized in that:
one side of the blocking block (201) back to the placing station (6) is provided with a connecting flange (202), and the connecting flange (202) is connected with the base (1) through a connecting piece.
10. The extrusion tooling for extracting cell swelling gas according to any one of claims 1 to 9, characterized in that:
the base (1) and/or the extrusion part (302) are made of mica plates, epoxy plates or carbon film plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220697783.3U CN217426861U (en) | 2022-03-28 | 2022-03-28 | Extrusion tool for extracting electric core flatulence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220697783.3U CN217426861U (en) | 2022-03-28 | 2022-03-28 | Extrusion tool for extracting electric core flatulence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217426861U true CN217426861U (en) | 2022-09-13 |
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ID=83180869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220697783.3U Active CN217426861U (en) | 2022-03-28 | 2022-03-28 | Extrusion tool for extracting electric core flatulence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217426861U (en) |
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2022
- 2022-03-28 CN CN202220697783.3U patent/CN217426861U/en active Active
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