CN104359632A - Multi-station helium inspection tool for battery covers - Google Patents

Multi-station helium inspection tool for battery covers Download PDF

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Publication number
CN104359632A
CN104359632A CN201410710024.6A CN201410710024A CN104359632A CN 104359632 A CN104359632 A CN 104359632A CN 201410710024 A CN201410710024 A CN 201410710024A CN 104359632 A CN104359632 A CN 104359632A
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CN
China
Prior art keywords
mold insert
helium
upper holder
plate
holder block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410710024.6A
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Chinese (zh)
Inventor
乔艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN JINPINYUAN TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
TIANJIN JINPINYUAN TECHNOLOGY DEVELOPMENT Co Ltd
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Publication date
Application filed by TIANJIN JINPINYUAN TECHNOLOGY DEVELOPMENT Co Ltd filed Critical TIANJIN JINPINYUAN TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN201410710024.6A priority Critical patent/CN104359632A/en
Publication of CN104359632A publication Critical patent/CN104359632A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a multi-station helium inspection tool for battery covers. An air cylinder is fixed at the upper end of a fixed support, a piston rod of the air cylinder is fixedly connected with a positioning plate, and the positioning plate is provided with a first positioning groove. A plurality of upper pressing blocks are detachably connected into the first positioning groove. A lower fixing block is fixed on the lower portion of the fixed support, the lower fixing block is provided with a second positioning groove, and lower inserts with the number being the same as the number of the upper pressing blocks are detachably connected into the second positioning groove. The lower inserts are used for fixing aluminum cover plates or explosion-proof membrane welding workpieces and/or aluminum battery cover workpieces. The lower end of the fixed support is fixedly connected with a helium inspection instrument. According to the multi-station helium inspection tool for the battery covers, due to the lower inserts which can be replaced quickly, two working procedures can be executed on the same equipment to carry out leakage inspection, and thus detection efficiency can be improved; meanwhile, the second positioning groove can be used for placing the lower inserts, a plurality of workpieces can be detected at the same time, and therefore working efficiency is improved.

Description

Battery cover multistation helium inspection frock
Technical field
The present invention relates to cell safety technical field, in particular, relate to a kind of battery cover multistation helium inspection frock.
Background technology
As shown in Figure 1 and Figure 2, aluminum cell lid is the high product of a kind of sealing requirements, and vital effect is played to the safety of lithium battery, aluminum cell lid generally comprises both positive and negative polarity group, blow-out disc etc., its production run comprises crucial two procedures: (1) blow-out disc laser bonding, (2) both positive and negative polarity closing-up.In this two procedures, must guarantee that can not there be leakage the top and bottom of the workpiece after processing, therefore need to add helium Leakage Test, after above-mentioned operation (1), as shown in Figure 3, Figure 4, the welded seal after test Aluminum cover welds with blow-out disc, after above-mentioned operation (2), as shown in Figure 5, the sealing of testing aluminum cell lid entirety comprises the sealing of riveting point, blow-out disc etc.
In prior art, when carrying out helium Leakage Test to above-mentioned two procedures, adopt and carry out in the mode of single-piece test, efficiency is low, and after entering assembling procedure, also needs to change frock and carry out production sampling observation, and this just causes produces upper waste greatly.
Summary of the invention
The object of this invention is to provide a kind of battery cover multistation helium inspection frock, to solve in prior art when carrying out helium Leakage Test to above-mentioned two procedures, adopt and carry out in the mode of single-piece test, efficiency is low, and after entering assembling procedure, also need to change frock and carry out production sampling observation, this just causes the problem of producing upper waste greatly.
For realizing object of the present invention, the invention provides a kind of battery cover multistation helium inspection frock, comprise: cylinder, fixed support and location-plate, upper holder block, lower mold insert, lower fixed block, helium inspection instrument, described cylinder is fixed on described fixed support upper end, the piston rod of described cylinder is fixedly connected with described location-plate, described location-plate is provided with the first locating slot, multiple upper holder block is removably connected with in described first locating slot, described lower fixed block is fixed on described fixed support bottom, described lower fixed block is provided with the second locating slot, the lower mold insert consistent with described upper holder block quantity is removably connected with in described second locating slot, described lower mold insert is used for fixing Aluminum cover and blow-out disc welding work pieces and/or aluminum cell lid workpiece, described fixed support lower end is fixedly connected with helium inspection instrument, described upper holder block and lower mold insert are with the use of formation workpiece clamping mechanism, described workpiece clamping mechanism comprises the clamp system for detecting Aluminum cover and blow-out disc welding work pieces sealing and/or the clamp system for detecting aluminum cell lid whole workpiece sealing, described upper holder block is provided with upper holder block air admission hole and upper holder block venthole, described upper holder block air admission hole connects helium admission gear, helium passes through upper holder block successively, Aluminum cover and blow-out disc welding work pieces and/or aluminum cell lid workpiece, lower mold insert, lower fixed block, helium inspection instrument.
The present invention, compared with prior art, by the lower mold insert of fast changeable, can realize two procedures and carry out Leakage Test on same equipment, improve detection efficiency; Meanwhile, the second locating slot can place multiple lower mold insert, can carry out the detection of multiple workpiece simultaneously, improve work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation a of aluminum cell lid workpiece in the present invention;
Fig. 2 is the structural representation b of aluminum cell lid workpiece in the present invention;
Fig. 3 is the structural representation a of Aluminum cover and blow-out disc welding work pieces in the present invention;
Fig. 4 is the structural representation b of Aluminum cover and blow-out disc welding work pieces in the present invention;
Fig. 5 is the working state schematic representation testing aluminum cell lid overall tightness in the present invention;
Fig. 6 is structural representation a of the present invention;
Fig. 7 is structural representation b of the present invention;
Fig. 8 is upper holder block structural representation of the present invention;
Fig. 9 is that the present invention is for detecting the structural representation a of the lower mold insert of the clamp system of aluminum cell lid whole workpiece sealing;
Figure 10 is that the present invention is for detecting the structural representation b of the lower mold insert of the clamp system of aluminum cell lid whole workpiece sealing;
Figure 11 is that the present invention is for detecting the structural representation c of the lower mold insert of the clamp system of aluminum cell lid whole workpiece sealing;
Figure 12 is that the present invention is for detecting the structural representation of the lower mold insert of the clamp system of Aluminum cover and blow-out disc welding work pieces sealing;
Figure 13 is the structural representation a of lower fixed block provided by the invention;
Figure 14 is the structural representation b of lower fixed block provided by the invention;
Figure 15 is the structural representation c of lower fixed block provided by the invention;
Figure 16 is the structural representation of lower seat board provided by the invention;
In figure, 1-Aluminum cover, 2-first packing washer, 3-positive pole rivet, 4-negative pole rivet, 5-positive plate, 6-negative plate, 7-blow-out disc, 8-positive pole leader, 9-negative pole leader, 10-protective cover, 11-cylinder, 12-guide pillar, 13-ball bearing guide bushing, 14-upper cover plate, 15-location-plate, the dual-purpose column in the fixed high location of 16-, 17-workpiece, mold insert under 18-, fixed block under 19-, seat board under 20-, 21-KF vacuum adapter, 22-upper holder block, 221-upper holder block venthole, 222-upper holder block air admission hole, 181-first pickup groove, 182-first time mold insert O-ring seal, 183-first time mold insert open-work, 184-second pickup groove, 185 second times mold insert O-ring seals, 186 second times mold insert open-works, 191-bottom plate open-work, 192-bottom plate O-ring seal, seat board O-ring seal under 201-, seat board open-work under 202-.
Embodiment
In order to make object of the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be understood to specific embodiment described herein only in order to explain the present invention, be not limited to protection scope of the present invention.
As shown in Fig. 1-Figure 16, the invention provides a kind of battery cover multistation helium inspection frock, comprise: cylinder, fixed support and location-plate, upper holder block, lower mold insert, lower fixed block, helium inspection instrument, described cylinder is fixed on described fixed support upper end, the piston rod of described cylinder is fixedly connected with described location-plate, described location-plate is provided with the first locating slot, multiple upper holder block is removably connected with in described first locating slot, described lower fixed block is fixed on described fixed support bottom, described lower fixed block is provided with the second locating slot, the lower mold insert consistent with described upper holder block quantity is removably connected with in described second locating slot, described lower mold insert is used for fixing Aluminum cover and blow-out disc welding work pieces and/or aluminum cell lid workpiece, described fixed support lower end is fixedly connected with helium inspection instrument, described upper holder block and lower mold insert are with the use of formation workpiece clamping mechanism, described workpiece clamping mechanism comprises the clamp system for detecting Aluminum cover and blow-out disc welding work pieces sealing and/or the clamp system for detecting aluminum cell lid whole workpiece sealing, described upper holder block is provided with upper holder block air admission hole and upper holder block venthole, described upper holder block air admission hole connects helium admission gear, helium passes through upper holder block successively, Aluminum cover and blow-out disc welding work pieces and/or aluminum cell lid workpiece, lower mold insert, lower fixed block, helium inspection instrument.
In a preferred embodiment, described fixed support comprises upper cover plate, fixed height locates dual-purpose column, lower seat board, described upper cover plate and lower seat board corner are rigidly connected respectively by the dual-purpose column in described fixed high location, described cylinder is fixedly connected with described upper cover plate, O-ring seal is had to seal between described lower mold insert and lower fixed block, described lower fixed block is fixedly connected with lower seat board and is sealed by O-ring seal, described lower seat board is connected with KF vacuum adapter screw and has O-ring seal to be isolated from the outside, and described KF vacuum adapter and described helium are examined instrument and is connected.
In a preferred embodiment, also comprise location-plate movement guide mechanism, described location-plate movement guide mechanism comprises: guide pillar, ball bearing guide bushing, described upper cover plate is provided with pilot hole, ball bearing guide bushing is provided with in described pilot hole, one end of described guide pillar is fixedly connected with described location-plate, and its other end is rolled with described upper cover plate by described ball bearing guide bushing and is connected.
In a preferred embodiment, the lower mold insert of the described clamp system for detecting aluminum cell lid whole workpiece sealing comprises: the first pickup groove, first time mold insert O-ring seal, first time mold insert open-work, described first time mold insert O-ring seal is arranged in described first pickup groove, and described first pickup groove centre has first time mold insert open-work.
In a preferred embodiment, under the described clamp system for detecting Aluminum cover and blow-out disc welding work pieces sealing, mold insert comprises: the second pickup groove, second time mold insert O-ring seal, second time mold insert open-work, described second time mold insert O-ring seal is arranged in described second pickup groove, and described second pickup groove centre has second time mold insert open-work.
In a preferred embodiment, be provided with multiple bottom plate open-work in described second locating slot, arbitrary described bottom plate open-work excircle is provided with bottom plate O-ring seal.
Detect the process of Aluminum cover and blow-out disc welding work pieces: frock is connected to helium inspection instrument interface, workpiece is positioned in frock, fit on lower mold insert O-ring seal below blow-out disc, and apply certain pressure in top, O-ring seal is made to compress isolation outside air, then open helium inspection instrument, interface is in vacuum state, and in blow-out disc welding top spray helium.
Detect the process of aluminum cell lid overall tightness: frock is connected to helium inspection instrument interface, workpiece is positioned in frock, workpiece surrounding fits on lower mold insert O-ring seal, and apply certain pressure in top frock, O-ring seal is made to compress isolation outside air, then open helium inspection instrument, interface is in vacuum state, and injects helium in gas injection port.
Fixed support of the present invention is that dual-purpose guide pillar is rigidly connected, guide pillar is had accurately to lead during the location-plate action of top, cylinder provides pressure, location-plate is designed with the first locating slot and is connected with upper holder block, screw adopts locking mode from bottom to top, fast changeable upper holder block during change model, and lower fixed block designs the second locating slot equally and is connected with lower mold insert, but when changing other kind mold inserts, only need pull down two screws.Have O-ring seal to seal between lower mold insert and lower fixed block, lower fixed block and lower seat board also have O-ring seal to close, and lower seat board is connected with KF joint screw and has O-ring seal to be isolated from the outside.This cover frock versatility is comparatively strong in addition, and upper and lower registration, after being convenient to, the redevelopment of new product utilizes.
When using, workpiece is positioned on lower mold insert, cylinder is utilized to be pressed on workpiece by upper holder block, upper holder block, lower mold insert form sealing orifice, by upper holder block injects helium, helium is by upper holder block, workpiece, lower mold insert, and lower fixed block, lower seat board arrive helium inspection instrument, obtains testing result through helium inspection instrument.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (6)

1. a battery cover multistation helium inspection frock, it is characterized in that, comprise: cylinder, fixed support and location-plate, upper holder block, lower mold insert, lower fixed block, helium inspection instrument, described cylinder is fixed on described fixed support upper end, the piston rod of described cylinder is fixedly connected with described location-plate, described location-plate is provided with the first locating slot, multiple upper holder block is removably connected with in described first locating slot, described lower fixed block is fixed on described fixed support bottom, described lower fixed block is provided with the second locating slot, the lower mold insert consistent with described upper holder block quantity is removably connected with in described second locating slot, described lower mold insert is used for fixing Aluminum cover and blow-out disc welding work pieces and/or aluminum cell lid workpiece, described fixed support lower end is fixedly connected with helium inspection instrument, described upper holder block and lower mold insert are with the use of formation workpiece clamping mechanism, described workpiece clamping mechanism comprises the clamp system for detecting Aluminum cover and blow-out disc welding work pieces sealing and/or the clamp system for detecting aluminum cell lid whole workpiece sealing, described upper holder block is provided with upper holder block air admission hole and upper holder block venthole, described upper holder block air admission hole connects helium admission gear, helium passes through upper holder block successively, Aluminum cover and blow-out disc welding work pieces and/or aluminum cell lid workpiece, lower mold insert, lower fixed block, helium inspection instrument.
2. battery cover multistation helium inspection frock according to claim 1, it is characterized in that, comprise: described fixed support comprises upper cover plate, the dual-purpose column in fixed high location, lower seat board, described upper cover plate and lower seat board corner are rigidly connected respectively by the dual-purpose column in described fixed high location, described cylinder is fixedly connected with described upper cover plate, O-ring seal is had to seal between described lower mold insert and lower fixed block, described lower fixed block is fixedly connected with lower seat board and is sealed by O-ring seal, described lower seat board is connected with KF vacuum adapter screw and has O-ring seal to be isolated from the outside, described KF vacuum adapter and described helium are examined instrument and are connected.
3. battery cover multistation helium inspection frock according to claim 1, it is characterized in that, also comprise location-plate movement guide mechanism, described location-plate movement guide mechanism comprises: guide pillar, ball bearing guide bushing, described upper cover plate is provided with pilot hole, be provided with ball bearing guide bushing in described pilot hole, one end of described guide pillar is fixedly connected with described location-plate, and its other end is rolled with described upper cover plate by described ball bearing guide bushing and is connected.
4. battery cover multistation helium inspection frock according to claim 1, it is characterized in that, the lower mold insert of the described clamp system for detecting aluminum cell lid whole workpiece sealing comprises: the first pickup groove, first time mold insert O-ring seal, first time mold insert open-work, described first time mold insert O-ring seal is arranged in described first pickup groove, and described first pickup groove centre has first time mold insert open-work.
5. battery cover multistation helium inspection frock according to claim 1, it is characterized in that, under the described clamp system for detecting Aluminum cover and blow-out disc welding work pieces sealing, mold insert comprises: the second pickup groove, second time mold insert O-ring seal, second time mold insert open-work, described second time mold insert O-ring seal is arranged in described second pickup groove, and described second pickup groove centre has second time mold insert open-work.
6. the battery cover multistation helium inspection frock according to claim 4 or 5, it is characterized in that, be provided with multiple bottom plate open-work in described second locating slot, arbitrary described bottom plate open-work excircle is provided with bottom plate O-ring seal.
CN201410710024.6A 2014-11-28 2014-11-28 Multi-station helium inspection tool for battery covers Pending CN104359632A (en)

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Application Number Priority Date Filing Date Title
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105953986A (en) * 2016-07-25 2016-09-21 合肥力翔电池科技有限责任公司 Product air tightness detection device with automatic discharging function
CN106197880A (en) * 2016-08-25 2016-12-07 宁波蓝鲸自动化科技有限公司 Air tightness detection equipment
CN106885656A (en) * 2017-03-04 2017-06-23 广州灵帕机电科技有限公司 A kind of cover plate of power battery helium leak test system
CN107389276A (en) * 2017-08-24 2017-11-24 安徽苏立科技股份有限公司 A kind of water heating pipe Welding quality test special plane
CN108444652A (en) * 2018-06-25 2018-08-24 深圳市瑞德丰精密制造有限公司 A kind of universal helium convenient for being detected to different product examines equipment
CN110103158A (en) * 2019-04-02 2019-08-09 大族激光科技产业集团股份有限公司 Battery helium examines clamping device
CN110542516A (en) * 2019-09-11 2019-12-06 东野精机(昆山)有限公司 High-speed helium mass spectrometer leak detection sorting system and sorting method thereof
CN110954275A (en) * 2019-11-08 2020-04-03 广州新龙浩工业设备有限公司 Device and method for detecting sealing performance of sealing cover of lithium battery
CN113945334A (en) * 2021-09-23 2022-01-18 安徽润象新材料科技有限公司 Air tightness detection device for composite environment-friendly carriage processing
CN114441110A (en) * 2022-01-26 2022-05-06 苏州华工自动化技术有限公司 Helium leakage detection equipment for battery top cover and working method of helium leakage detection equipment

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CN203848984U (en) * 2014-05-04 2014-09-24 重庆高飞科技有限公司 Engine air cylinder cover air tightness detecting device
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JPH1172410A (en) * 1997-08-29 1999-03-16 Gunze Ltd Method and apparatus for confirming sealing of article package body
JPH11281515A (en) * 1998-03-27 1999-10-15 Shimadzu Corp Helium leak testing device
CN201364228Y (en) * 2008-12-12 2009-12-16 天津力神电池股份有限公司 Tightness testing device of lithium-ion power batteries
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105953986A (en) * 2016-07-25 2016-09-21 合肥力翔电池科技有限责任公司 Product air tightness detection device with automatic discharging function
CN106197880B (en) * 2016-08-25 2019-02-26 宁波蓝鲸自动化科技有限公司 Air tightness detection equipment
CN106197880A (en) * 2016-08-25 2016-12-07 宁波蓝鲸自动化科技有限公司 Air tightness detection equipment
CN106885656A (en) * 2017-03-04 2017-06-23 广州灵帕机电科技有限公司 A kind of cover plate of power battery helium leak test system
CN106885656B (en) * 2017-03-04 2020-04-17 广州灵帕机电科技有限公司 Helium leakage detection system for power battery cover plate
CN107389276A (en) * 2017-08-24 2017-11-24 安徽苏立科技股份有限公司 A kind of water heating pipe Welding quality test special plane
CN108444652A (en) * 2018-06-25 2018-08-24 深圳市瑞德丰精密制造有限公司 A kind of universal helium convenient for being detected to different product examines equipment
CN108444652B (en) * 2018-06-25 2023-07-25 常州瑞德丰精密技术有限公司 Universal helium detection equipment convenient for detecting different products
CN110103158A (en) * 2019-04-02 2019-08-09 大族激光科技产业集团股份有限公司 Battery helium examines clamping device
CN110542516A (en) * 2019-09-11 2019-12-06 东野精机(昆山)有限公司 High-speed helium mass spectrometer leak detection sorting system and sorting method thereof
CN110954275A (en) * 2019-11-08 2020-04-03 广州新龙浩工业设备有限公司 Device and method for detecting sealing performance of sealing cover of lithium battery
CN113945334A (en) * 2021-09-23 2022-01-18 安徽润象新材料科技有限公司 Air tightness detection device for composite environment-friendly carriage processing
CN113945334B (en) * 2021-09-23 2024-06-11 南京润聚泽通贸易有限公司 Composite environment-friendly air tightness detection equipment for carriage processing
CN114441110A (en) * 2022-01-26 2022-05-06 苏州华工自动化技术有限公司 Helium leakage detection equipment for battery top cover and working method of helium leakage detection equipment

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Application publication date: 20150218