CN210572667U - Auxiliary device for testing short circuit of cylindrical lithium battery pole group - Google Patents
Auxiliary device for testing short circuit of cylindrical lithium battery pole group Download PDFInfo
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- CN210572667U CN210572667U CN201920887841.7U CN201920887841U CN210572667U CN 210572667 U CN210572667 U CN 210572667U CN 201920887841 U CN201920887841 U CN 201920887841U CN 210572667 U CN210572667 U CN 210572667U
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- clamping jaw
- battery pole
- lithium battery
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Abstract
The utility model discloses a short circuit testing auxiliary device for a cylindrical lithium battery pole group, which comprises a connecting plate (1) which is horizontally and transversely distributed; the left end and the right end of the bottom of the connecting plate (1) are respectively and fixedly provided with a telescopic cylinder (2); the output shaft of each telescopic cylinder (2) on the opposite side is respectively connected with the upper end of a chuck mounting plate (4) through a chuck mounting plate connecting piece (3); the lower ends of the two chuck mounting plates (4) are arranged on opposite sides and are respectively hinged with one side of a clamping jaw air cylinder 5; the two clamping jaw cylinders (5) are provided with a plurality of output ends at opposite sides and respectively connected with a plurality of clamping jaws (6); a cylindrical battery pole group (100) to be subjected to a short circuit test is positioned between clamping jaws (6) connected with two clamping jaw cylinders (5). The utility model discloses can conveniently assist the short circuit tester to carry out the short circuit test to cylinder type lithium cell utmost point group, avoid hitting the utmost point ear of bending the battery utmost point group, work efficiency is high.
Description
Technical Field
The utility model relates to a battery utmost point group tests technical field, especially relates to a cylinder type lithium cell utmost point group short circuit test auxiliary device.
Background
At present, lithium ion batteries have the advantages of high specific energy, many recycling times, long storage time and the like, are widely applied to portable electronic equipment such as mobile phones, digital video cameras and portable computers, and are also widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like, so that the performance requirements on the lithium ion batteries are higher and higher.
For a cylindrical lithium battery pole group, at present, when a short circuit test is performed on the battery pole group by a short circuit detection mechanism matched with existing battery pole group winder equipment, a positive electrode lug and a negative electrode lug on the battery pole group are easy to bend, so that the overall production quality of the battery pole group is reduced, defective products flow into subsequent processes, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cylinder type lithium cell utmost point group short circuit test auxiliary device to the technical defect that prior art exists.
Therefore, the utility model provides a short circuit testing auxiliary device for a cylindrical lithium battery pole group, which comprises a connecting plate horizontally and transversely distributed;
the left end and the right end of the bottom of the connecting plate are respectively and fixedly provided with a telescopic cylinder;
the two telescopic cylinders are distributed in axial symmetry;
the output shaft of each telescopic cylinder on the opposite side is respectively connected with the upper end of a chuck mounting plate which is vertically distributed through a chuck mounting plate connecting piece 3;
the lower ends of the two chuck mounting plates are arranged on opposite sides and are respectively hinged with one side of a clamping jaw cylinder;
the two clamping jaw cylinders are provided with a plurality of output ends at opposite sides and respectively connected with the plurality of clamping jaws;
a cylindrical battery pole group which needs to be subjected to a short circuit test is positioned between the clamping jaws connected with the two clamping jaw air cylinders.
Wherein, the output end of the clamping jaw air cylinder is respectively connected with the three clamping jaws.
Wherein, the outer surface of the clamping jaw is stuck with a silica gel layer.
Wherein, the clamping jaw is a plastic clamping jaw.
Wherein, the cylindrical lithium battery pole group is positioned at the top of the conveyor belt which is longitudinally conveyed;
the conveyor belt is located at a position between the jaws to which the two jaw cylinders are connected.
The clamping jaw air cylinders are respectively provided with a wire guide rod insertion hole at the center position of the opposite side, and each wire guide rod insertion hole is fixedly connected with a wire guide rod which is horizontally distributed.
By the above the technical scheme provided by the utility model it is visible, compare with prior art, the utility model provides a cylinder type lithium cell utmost point group short circuit test auxiliary device, it can conveniently assist the short circuit tester to carry out the short circuit test to cylinder type lithium cell utmost point group, avoids hitting the utmost point ear of curved battery utmost point group, convenient operation, and work efficiency is high, is favorable to promoting the whole production quality of cylinder type lithium cell utmost point group, has the meaning of serious production practice.
Drawings
Fig. 1 is a schematic view of a connection state of a cylindrical lithium battery pole group short circuit test auxiliary device provided by the present invention when testing with a cylindrical lithium battery pole group;
fig. 2 is a schematic diagram of a connection state between a conveyor belt and a cylindrical lithium battery pole group in the auxiliary device for testing a short circuit of the cylindrical lithium battery pole group provided by the utility model;
fig. 3 is a side view of a clamping jaw cylinder in the auxiliary device for testing the short circuit of the cylindrical lithium battery pole group provided by the present invention;
fig. 4 is a side view of the side of the cylindrical lithium battery pole group short circuit testing auxiliary device close to the clamping jaw cylinder when three clamping jaws are clamped together;
fig. 5 is the utility model provides a pair of cylinder type lithium cell utmost point group short circuit test auxiliary device in the side view of chuck mounting panel.
Fig. 6 is the utility model provides a pair of cylinder type lithium cell utmost point organizes the front view of the chuck mounting panel in the short circuit test auxiliary device.
In the figure, 1, connecting plate; 2. a telescopic cylinder; 3. a chuck mounting plate connecting piece; 4. a chuck mounting plate; 5. a clamping jaw cylinder; 6. a clamping jaw 7, a wire guide rod;
100. battery pole group, 101, utmost point ear, 200, conveyer belt, 201, battery carrier.
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1 to 6, the utility model provides a short circuit testing auxiliary device for a cylindrical lithium battery pole group, which comprises a connecting plate 1 horizontally and transversely distributed;
the left end and the right end of the bottom of the connecting plate 1 are respectively and fixedly provided with a telescopic cylinder 2 (for example, connected by bolts);
the two telescopic cylinders 2 are distributed in axial symmetry;
the output shaft (i.e. the piston rod) of each telescopic cylinder 2 on the opposite side (i.e. the side away from the side) is respectively connected with the upper end of a chuck mounting plate 4 which is vertically distributed through a chuck mounting plate connecting piece 3 (for example, through a jackscrew connection, or a bolt fixed connection, or other fixed connection modes such as clamping connection and the like);
the lower ends of the two chuck mounting plates 4 are respectively hinged with one side of a clamping jaw cylinder 5 at the opposite side (for example, the lower ends of the two chuck mounting plates are hinged with the central position of one side of the clamping jaw cylinder 5 through a connecting pin); therefore, the angle of the clamping jaw air cylinder 5 arranged on the chuck mounting plate 4 can be adjusted, and the clamping jaw air cylinder can rotate 360 degrees so as to avoid gaps between the clamping jaws;
a plurality of output ends (for example, rotating shafts) of the two clamping jaw cylinders 5 on the opposite sides are respectively connected with a plurality of clamping jaws 6 (for example, three clamping jaws) (the plurality of clamping jaws 6 are distributed on the circular side surfaces of the clamping jaw cylinders 5 along the circumferential direction);
the cylindrical battery pole group 100 to be subjected to the short circuit test is located at a position between the clamping jaws 6 to which the two clamping jaw cylinders 5 are connected.
The utility model discloses in, on specifically realizing, the output of clamping jaw cylinder 5 is connected with three clamping jaws 6 respectively.
In concrete implementation, the outer surface of the clamping jaw 6 is pasted with a silica gel layer, so that the electrode lug can be prevented from being clamped and bent.
In particular, the clamping jaw 6 is a plastic clamping jaw.
It should be noted that, to the utility model discloses, through clamping jaw cylinder 5 that can rotate to and drive clamping jaw 6 carries out the centre gripping action to the utmost point ear of battery utmost point group, can ensure utmost point ear optional position on battery utmost point group, can both effectively carry out the connection detection of short circuit.
In the present invention, in particular, the cylindrical lithium battery pack 100 is located at the top of the conveyor belt 200 for longitudinal conveyance;
the conveyor belt 200 is located at a position between the jaws 6 to which the two jaw cylinders 5 are connected.
It should be noted that the conveyor belt 200 is a conventional conveyor belt structure, such as a belt conveyor.
For the utility model, when in specific use, the cylindrical lithium battery pole group 100 placed on the battery bracket (i.e. the conveyor belt jig) 201 on the conveyor belt 200 reaches the short circuit test station between the clamping jaws 6 connected to the two clamping jaw cylinders 5 (which can be detected by the distance sensor, at this time, the cylindrical lithium battery pole group 100 enters the preset detection range of the distance sensor, and the installation position of the distance sensor and the central points of the two clamping jaw cylinders are on the same horizontal straight line); the telescopic cylinder 2 drives the clamping jaw cylinder 5 to extend forwards, after a preset time (such as 200 milliseconds or other preset time) is delayed, the clamping jaw cylinder 5 clamps tabs 101 (a positive tab and a negative tab) at two ends of the cylindrical lithium battery pole group 100, then, a tester connects (for example, clamps) the testing end (namely, the positive testing end or the negative testing end) of the external short-circuit tester to the tabs 101 at two ends of the cylindrical lithium battery pole group 100 respectively, then, the external short-circuit tester outputs 250V voltage, short-circuit testing is performed on the pole group for a preset time (such as 400 milliseconds), after the testing is completed, the clamping jaw cylinder 2 is released, after the preset time (such as 200 milliseconds) is delayed, the telescopic cylinder 2 retracts to the original position, the conveyor belt 200 moves forwards for one check, second testing is performed, and the cycle is repeated.
In the present invention, it should be noted that the clamping jaw cylinder 5 may be any cylinder with a loosening and clamping function, such as a cylinder with a loosening and clamping function manufactured by the japanese SMC corporation, and the type thereof belongs to a telescopic cylinder. Model MHSH3-32D, rated pressure 0.1 to 0.6 MPA. The function of the clamping jaw cylinder 5 is as follows: the clamp is mainly used for clamping the positive and negative lugs of the pole group, and can stably obtain a test effect.
The utility model discloses in, on specifically realizing, outside short circuit tester can be the short circuit tester of current battery utmost point group, for example can put the short circuit tester (another name insulation resistance tester) that the company produced, the model is ST5520 for this day. The main functions of the external short circuit tester are as follows: the testing module is used for testing the internal resistance value of the pole group and feeding back the testing result to external display equipment through an input/output (IO) module.
In the concrete implementation, two clamping jaw cylinders 5 are respectively provided with a wire rod insertion hole at the center position of the opposite side (i.e. the inner side), and each wire rod insertion hole is fixedly connected (spliced or screwed) with a horizontally distributed wire rod 7 and can be further fixed through a nut. Therefore, it is right the utility model discloses, not only can carry out artifical manual test to the battery utmost point group, in addition, the test end of outside short circuit tester (anodal test end or negative pole test end promptly) can also be connected respectively on two conductor poles 7, then the medial extremity through the conductor pole contacts with utmost point ear 101 at cylinder type lithium cell utmost point group 100 both ends, realizes electrically conductive short circuit test. At this time, the detection workman only needs to put cylinder type battery utmost point group on the conveyer belt, can realize letting outside short circuit tester be in the utility model discloses a under the help, realize carrying out the short circuit test automatically.
According to the technical scheme provided by the utility model, the utility model provides a cylinder type lithium cell utmost point group short circuit test auxiliary device, its convenient operation, it is efficient, through clamping jaw and clamping jaw cylinder, utmost point ear can both effectively be detected at any angle, and utmost point ear can not be pressed from both sides the deformation.
To sum up, compare with prior art, the utility model provides a pair of cylinder type lithium cell utmost point group short circuit test auxiliary device, it can conveniently assist the short circuit tester to carry out the short circuit test to cylinder type lithium cell utmost point group, avoids hitting the utmost point ear of bending the battery utmost point group, convenient operation, and work efficiency is high, is favorable to promoting the whole production quality of cylinder type lithium cell utmost point group, has the meaning of very big production practice.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A cylindrical lithium battery pole group short circuit test auxiliary device is characterized by comprising connecting plates (1) which are horizontally and transversely distributed;
the left end and the right end of the bottom of the connecting plate (1) are respectively and fixedly provided with a telescopic cylinder (2);
the two telescopic cylinders (2) are distributed in axial symmetry;
the output shaft of each telescopic cylinder (2) on the opposite side is respectively connected with the upper end of a chuck mounting plate (4) which is vertically distributed through a chuck mounting plate connecting piece (3);
the lower ends of the two chuck mounting plates (4) are arranged on opposite sides and are respectively hinged with one side of a clamping jaw cylinder (5);
the two clamping jaw cylinders (5) are provided with a plurality of output ends at opposite sides and respectively connected with a plurality of clamping jaws (6);
a cylindrical battery pole group (100) to be subjected to a short circuit test is positioned between clamping jaws (6) connected with two clamping jaw cylinders (5).
2. The auxiliary short circuit testing device for cylindrical lithium battery electrode sets as claimed in claim 1, wherein the output ends of the clamping jaw air cylinders (5) are respectively connected with three clamping jaws (6).
3. The auxiliary device for testing the short circuit of the cylindrical lithium battery pole set according to claim 1, wherein a silica gel layer is adhered on the outer surface of the clamping jaw (6).
4. The auxiliary device for short circuit test of cylindrical lithium battery pole set according to claim 1, wherein the clamping jaw (6) is a plastic clamping jaw.
5. The auxiliary device for testing the short circuit of the cylindrical lithium battery pole group as claimed in any one of claims 1 to 4, wherein the cylindrical lithium battery pole group (100) is positioned on the top of a conveyor belt (200) which is conveyed longitudinally;
the conveyor belt (200) is located at a position between the jaws (6) to which the two jaw cylinders (5) are connected.
6. The auxiliary device for short circuit test of cylindrical lithium battery pack as claimed in any one of claims 1 to 4, wherein the two clamping jaw cylinders (5) have a wire rod insertion hole at the center of the opposite side, and each wire rod insertion hole is fixedly connected with a horizontally distributed wire rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920887841.7U CN210572667U (en) | 2019-06-13 | 2019-06-13 | Auxiliary device for testing short circuit of cylindrical lithium battery pole group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920887841.7U CN210572667U (en) | 2019-06-13 | 2019-06-13 | Auxiliary device for testing short circuit of cylindrical lithium battery pole group |
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| Publication Number | Publication Date |
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| CN210572667U true CN210572667U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920887841.7U Active CN210572667U (en) | 2019-06-13 | 2019-06-13 | Auxiliary device for testing short circuit of cylindrical lithium battery pole group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115575833A (en) * | 2022-11-23 | 2023-01-06 | 健芮智能科技（昆山）有限公司 | Battery electrical property detection equipment and detection method thereof |
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2019
- 2019-06-13 CN CN201920887841.7U patent/CN210572667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115575833A (en) * | 2022-11-23 | 2023-01-06 | 健芮智能科技（昆山）有限公司 | Battery electrical property detection equipment and detection method thereof |
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