CN212059287U - Automatic detection device for micropore leakage of soft package lithium battery core - Google Patents
Automatic detection device for micropore leakage of soft package lithium battery core Download PDFInfo
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- CN212059287U CN212059287U CN202020895797.7U CN202020895797U CN212059287U CN 212059287 U CN212059287 U CN 212059287U CN 202020895797 U CN202020895797 U CN 202020895797U CN 212059287 U CN212059287 U CN 212059287U
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Abstract
The utility model discloses a soft packet of lithium cell micropore weeping automatic checkout device, including the conveying mechanism that is used for transporting the material, be equipped with malleation test component between the conveying mechanism, conveying mechanism and the discharge end department that is located malleation test component are equipped with the inductor subassembly that carries out surface flatness and detect, inductor subassembly and outside control terminal electric connection. The utility model discloses in, carry out the malleation to electric core in the airtight die cavity that constitutes by the moulding-die and detect, work as last, the moulding-die is closed down, on, the detection sucking disc on the moulding-die inner wall down respectively with electric core upper and lower in close contact with, aerify for the airtight cavity that the moulding-die constitutes through the trachea with certain setting value, pressurize 3-6s after the pressure valve detects and reaches the setting value, if there is the small opening on electric core surface, perhaps the banding has the inefficacy fracture, then high-pressure gas can get into inside electric core through the position of inefficacy, form the pressure differential with sucking disc cover area, thereby make sucking disc cover position or whole electric core surface bulge.
Description
Technical Field
The utility model relates to an electricity core detection device field specifically is soft packet of lithium cell micropore weeping automatic checkout device.
Background
The lithium battery core leakage test is an important test process for defect inspection of a bare battery core or a finished battery core, how to prevent the leakage battery from generating, and the leakage battery is prevented from flowing out to a client to the greatest extent, so that the lithium battery leakage test becomes an important aspect for competition of various battery manufacturers. However, in order to solve the problem of leakage of the polymer battery, all manufacturers only adopt a manual visual inspection method for inspection.
In the prior art, after positive pressure side leakage, whether electrolyte flows out, the appearance of the battery is deformed and the like is observed, so that whether the battery core leaks is judged. The method has high omission ratio, but is difficult to distinguish by naked eyes for tiny bulges, has larger influence of artificial factors and environmental factors, and has large workload because the height of the tested positive pressure die cavity is required to be adjusted manually for the electric cores with different thicknesses.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a soft packet of lithium cell micropore weeping automatic checkout device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
soft packet of lithium cell micropore weeping automatic checkout device, including the conveying mechanism who is used for transporting the material, be equipped with the malleation test subassembly between the conveying mechanism, conveying mechanism just is located the discharge end department of malleation test subassembly and is equipped with the inductor subassembly that carries out surface flatness and detect, inductor subassembly and outside control terminal electric connection.
Further, conveying mechanism includes feeding assembly line, first feeding manipulator, NG in proper order and carries platform, first ejection of compact manipulator, testing platform, transfer assembly line, second feeding manipulator, second ejection of compact manipulator and ejection of compact assembly line.
Further, NG carries the platform and the transfer assembly line all is located the both sides of the discharge end of feed assembly line, and through first feeding manipulator intercommunication, first ejection of compact manipulator, testing platform and transfer assembly line, second feeding manipulator are located the both sides of malleation test component respectively to with the cooperation of malleation test component, testing platform's discharge end passes through second ejection of compact manipulator and discharge assembly line intercommunication.
Further, the inductor components are symmetrically arranged on the detection platform and close to the discharge end.
Further, the positive pressure test assembly comprises pressing dies which are symmetrically arranged up and down, a plurality of detection suckers of a hollow structure are arranged on the inner sides of the pressing dies, and the detection suckers are communicated with the outer sides of the pressing dies.
Furthermore, a sealing element is arranged at the matching position between the pressing dies, one side of a sealing cavity formed by the pressing dies is communicated with an air pipe, and a control valve, a pressure valve and an exhaust valve are sequentially arranged between the air pipe and an external air supply device.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, electric core malleation test is that to carry out the malleation to electric core in putting into an airtight die cavity that constitutes by the moulding-die with electric core and detects, on, the moulding-die is closed down, on, the detection sucking disc on the internal wall of moulding-die is respectively with electric core upper and lower in close contact with down, aerify through the airtight cavity that the trachea constitutes with certain setting value for the moulding-die, pressurize 3-6s after pressure valve detects and reaches the setting value, if there is the small opening on electric core surface, perhaps the banding has the inefficacy fracture, then high-pressure gas can get into inside the electric core through the position that became invalid, form pressure differential with the sucking disc cover region, thereby make sucking disc cover position or whole electric core.
After the electricity core process malleation test, put detection platform on with the electricity core after the malleation through first ejection of compact manipulator, utilize inductor subassembly and mechanical height fine-tuning, adjust the thickness value department of standard electricity core with the response end of inductor subassembly, if the emission light of inductor subassembly is shielded because of electric core surface is bloated, the received light volume that reachs the portion of receiving light will change, the light receiving part detects this kind of signal, and convert the signal of telecommunication into and export, can accurately detect out small swell.
Drawings
Fig. 1 is a schematic structural diagram of an automatic detection device for micropore leakage of a soft package lithium battery core;
FIG. 2 is a schematic structural diagram of an inductor assembly in the automatic detection device for the micropore leakage of the soft package lithium battery core;
fig. 3 is a schematic structural diagram of a positive pressure test assembly in an automatic detection device for micropore leakage of a soft package lithium battery core.
In the figure: 1. a conveying mechanism; 101. a feed line; 102. a first feeding manipulator; 103. an NG conveying table; 104. a first discharging manipulator; 105. a detection platform; 106. a transfer assembly line; 107. a second feeding manipulator; 108. a second discharging manipulator; 109. a discharge assembly line; 2. a positive pressure test assembly; 201. pressing the die; 202. detecting the sucker; 203. a seal member; 204. an air tube; 205. a control valve; 206. a pressure valve; 207. an exhaust valve; 3. an inductor assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
soft packet of lithium cell micropore weeping automatic checkout device, including conveying mechanism 1 that is used for transporting the material, be equipped with malleation test component 2 between conveying mechanism 1, conveying mechanism 1 just is located the discharge end department of malleation test component 2 and is equipped with the inductor subassembly 3 that carries out surface flatness and detect, inductor subassembly 3 and outside control terminal electric connection.
The positive pressure test of the battery core refers to that the battery core is placed into a closed die cavity formed by a pressing die 201 to carry out positive pressure detection on the battery core, when the upper pressing die 201 and the lower pressing die 201 are closed, detection suction cups 202 (2-6) on the inner walls of the upper pressing die 201 and the lower pressing die 201 are respectively in close contact with the upper surface and the lower surface of the battery core, a closed cavity formed by the pressing die 201 is inflated by a certain set value through an air pipe 204, pressure is maintained for 3-6s after the pressure valve 206 detects that the set value is reached, if a leak hole exists on the surface of the battery core or an edge sealing is failed and cracked, high-pressure gas enters the interior of the battery core through a failure position to form pressure difference with a suction cup covering.
After the electricity core passes through the malleation test, put detection platform 105 through the electricity core after first ejection of compact manipulator 104 with the malleation on, utilize inductor subassembly 3 (correlation sensor) and mechanical height fine-tuning, adjust the thickness value department of standard electricity core with the induction end of inductor subassembly 3, if the emission light of inductor subassembly 3 is shielded because of electric core surface is bloated, the received light volume that reachs the part of receiving light will change, the light receiving part detects this kind of signal, and convert the signal of telecommunication into and export, can accurately detect out small swell.
Further, the conveying mechanism 1 includes a feed line 101, a first feed robot 102, an NG conveying table 103, a first discharge robot 104, a detection platform 105, a transit line 106, a second feed robot 107, a second discharge robot 108, and a discharge line 109 in this order.
The NG delivery table 103 and the transit line 106 are located on both sides of the discharge end of the feed line 101, and is communicated with the first feeding mechanical arm 102, the first discharging mechanical arm 104, the detection platform 105, the transfer assembly line 106 and the second feeding mechanical arm 107 are respectively positioned at two sides of the positive pressure testing assembly 2, and is matched with the positive pressure testing component 2, the discharge end of the detection platform 105 is communicated with a discharge assembly line 109 through a second discharge mechanical arm 108, the feed assembly line 101 is used for conveying the formed battery cell, and the first feeding mechanical arm 102 conveys the cells qualified by the preliminary detection to the transfer production line 106, unqualified then send to NG and carry platform 103, send to the electric core on the transfer assembly line 106 and send to the moulding-die 201 inside through second feeding manipulator 107 and carry out the positive pressure test, send electric core to testing platform 105 through second ejection of compact manipulator 108 after accomplishing the test on, the electric core that passes through the detection sends to ejection of compact assembly line 109 through second ejection of compact manipulator 108 and accomplishes the ejection of compact.
The positive pressure test assembly 2 comprises a pressing die 201 which is arranged in an up-down symmetrical mode, a plurality of detection suckers 202 of a hollow structure are arranged on the inner side of the pressing die 201, and the detection suckers 202 are communicated with the outer side of the pressing die 201.
A sealing element 203 is arranged at the matching position between the pressing dies 201, one side of a sealed cavity formed by the pressing dies 201 is communicated with an air pipe 204, a control valve 205, a pressure valve 206 and an exhaust valve 207 are sequentially arranged between the air pipe 204 and an external air supply device, positive pressure detection is carried out on the battery core in the sealed cavity formed by the pressing dies 201, when the upper pressing die 201 and the lower pressing die 201 are closed, detection suction cups 202 (2-6) on the inner walls of the upper pressing die 201 and the lower pressing die 201 are respectively in close contact with the upper surface and the lower surface of the battery core, the sealed cavity formed by the pressing dies 201 is inflated by the air pipe 204 with a certain set value, pressure is maintained for 3-6s after the pressure valve 206 detects that the set value is reached, if a leak hole is formed on the surface of the battery core or a sealed edge is in failure and cracking, high-pressure gas enters the interior of the, the control valve 205 is used for regulating and controlling the opening or closing of the air pipe 204, the pressure valve 206 is used for detecting the pressure value after inflation, and the exhaust valve 207 is used for exhausting when the pressing die 201 is opened.
The working principle is as follows:
the positive pressure test of the battery core refers to that the battery core is placed into a closed die cavity formed by a pressing die 201 to carry out positive pressure detection on the battery core, when the upper pressing die 201 and the lower pressing die 201 are closed, the detection suction cups 202 on the inner walls of the upper pressing die 201 and the lower pressing die 201 are respectively in close contact with the upper surface and the lower surface of the battery core, the closed cavity formed by the pressing die 201 is inflated by a certain set value through an air pipe 204, pressure is maintained for 3-6s after the pressure valve 206 detects that the set value is reached, if a leak hole exists on the surface of the battery core or an edge is sealed to fail and crack, high-pressure gas can enter the interior of the battery core through a failure position to form pressure difference with.
After the positive pressure test, the battery cell after the positive pressure is placed on the detection platform 105 through the first discharging manipulator 104, the sensor assembly 3 and the mechanical height fine-tuning mechanism are utilized, the sensing end of the sensor assembly 3 is adjusted to the thickness value of the standard battery cell, if the emitting light of the sensor assembly 3 is shielded due to the bulging of the surface of the battery cell, the light receiving amount reaching the light receiving part changes, the light receiving part detects the signal and converts the signal into an electric signal to be output, and then the small bulge can be accurately detected.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Soft packet of lithium cell micropore weeping automatic checkout device, including conveying mechanism (1) that is used for transporting the material, its characterized in that: be equipped with malleation test component (2) between conveying mechanism (1), conveying mechanism (1) and the discharge end department that is located malleation test component (2) are equipped with inductor subassembly (3) that carry out surface flatness and detect, inductor subassembly (3) and outside control terminal electric connection.
2. The automatic detection device for microporous leakage of the soft-package lithium battery core according to claim 1, characterized in that: the conveying mechanism (1) sequentially comprises a feeding assembly line (101), a first feeding mechanical arm (102), an NG conveying platform (103), a first discharging mechanical arm (104), a detection platform (105), a transfer assembly line (106), a second feeding mechanical arm (107), a second discharging mechanical arm (108) and a discharging assembly line (109).
3. The automatic detection device for microporous leakage of the soft-package lithium battery core according to claim 2, characterized in that: NG carries platform (103) and transfer assembly line (106) to all be located the both sides of the discharge end of feed assembly line (101), and communicates through first feeding manipulator (102), first ejection of compact manipulator (104), testing platform (105) and transfer assembly line (106), second feeding manipulator (107) are located the both sides of malleation test component (2) respectively to with malleation test component (2) cooperation, the discharge end of testing platform (105) passes through second ejection of compact manipulator (108) and discharge assembly line (109) intercommunication.
4. The automatic detection device for microporous leakage of the soft-package lithium battery core according to claim 2, characterized in that: the sensor assembly (3) is symmetrically arranged on the detection platform (105) and is close to the discharge end.
5. The automatic detection device for microporous leakage of the soft-package lithium battery core according to claim 1, characterized in that: the positive pressure test assembly (2) comprises pressing dies (201) which are symmetrically arranged up and down, wherein the inner sides of the pressing dies (201) are respectively provided with a plurality of detection suckers (202) with hollow structures, and the detection suckers (202) are communicated with the outer sides of the pressing dies (201).
6. The automatic detection device for microporous leakage of the soft-package lithium battery core according to claim 5, characterized in that: the sealing device is characterized in that a sealing piece (203) is arranged at the matching position between the pressing dies (201), one side of a sealing cavity formed by the pressing dies (201) is communicated with an air pipe (204), and a control valve (205), a pressure valve (206) and an exhaust valve (207) are sequentially arranged between the air pipe (204) and an external air supply device.
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| CN202020895797.7U CN212059287U (en) | 2020-05-25 | 2020-05-25 | Automatic detection device for micropore leakage of soft package lithium battery core |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504011A (en) * | 2021-06-17 | 2021-10-15 | 东莞市振华新能源科技有限公司 | Rolling crack detection device for cylindrical battery cell rolling groove |
| CN113725490A (en) * | 2021-07-19 | 2021-11-30 | 广东嘉尚新能源科技有限公司 | Soft packet of lithium cell side sealing machine with leak liquid detection structure a little |
| CN116465572A (en) * | 2023-06-20 | 2023-07-21 | 宁德时代新能源科技股份有限公司 | Battery detection equipment and method and device for detecting battery |
-
2020
- 2020-05-25 CN CN202020895797.7U patent/CN212059287U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504011A (en) * | 2021-06-17 | 2021-10-15 | 东莞市振华新能源科技有限公司 | Rolling crack detection device for cylindrical battery cell rolling groove |
| CN113504011B (en) * | 2021-06-17 | 2023-12-29 | 东莞市振华新能源科技有限公司 | Rolling crack detection device for cylindrical battery cell rolling groove |
| CN113725490A (en) * | 2021-07-19 | 2021-11-30 | 广东嘉尚新能源科技有限公司 | Soft packet of lithium cell side sealing machine with leak liquid detection structure a little |
| CN113725490B (en) * | 2021-07-19 | 2023-02-28 | 广东嘉尚新能源科技有限公司 | Soft packet of lithium cell side sealing machine with microleakage detects structure |
| CN116465572A (en) * | 2023-06-20 | 2023-07-21 | 宁德时代新能源科技股份有限公司 | Battery detection equipment and method and device for detecting battery |
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