CN103471780B - Airtight container end cap weld inspection system and detection method - Google Patents

Airtight container end cap weld inspection system and detection method Download PDF

Info

Publication number
CN103471780B
CN103471780B CN201310378915.1A CN201310378915A CN103471780B CN 103471780 B CN103471780 B CN 103471780B CN 201310378915 A CN201310378915 A CN 201310378915A CN 103471780 B CN103471780 B CN 103471780B
Authority
CN
China
Prior art keywords
end cap
airtight container
container end
cylinder
inspection system
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.)
Active
Application number
CN201310378915.1A
Other languages
Chinese (zh)
Other versions
CN103471780A (en
Inventor
龚崇兴
叶青
项重光
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.)
NINGBO MINGXIN CHEMICAL MACHINERY CO Ltd
Original Assignee
NINGBO MINGXIN CHEMICAL MACHINERY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NINGBO MINGXIN CHEMICAL MACHINERY CO Ltd filed Critical NINGBO MINGXIN CHEMICAL MACHINERY CO Ltd
Priority to CN201310378915.1A priority Critical patent/CN103471780B/en
Publication of CN103471780A publication Critical patent/CN103471780A/en
Application granted granted Critical
Publication of CN103471780B publication Critical patent/CN103471780B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention provides a kind of airtight container end cap weld inspection system, comprise for fixing stationary installation, for vacuumize vacuum extractor, for discharge gas proving installation and for detecting its whether qualified pick-up unit; During detection, first found time fixing for airtight container end cap by vacuum extractor on the securing means, opening proving installation release helium, whether qualifiedly finally detect weld seam with pick-up unit.Airtight container end cap weld inspection system of the present invention and detection method, structure is simple, can carry out fabrication and installation voluntarily; Simple to operation, without the need to professional, reduce production cost; Pollution-free, can not work the mischief to operating personnel and environment; Sense cycle is short, and general sense cycle, in 5 minutes, substantially increases production efficiency; Accuracy of detection is high.

Description

Airtight container end cap weld inspection system and detection method
Technical field
The present invention relates to a kind of weld inspection system and method, particularly a kind of airtight container end cap weld inspection system and detection method.
Background technology
Pressure sealing container belongs to special equipment, and it has strict safety standard, in manufacturing process, needs butt welded seam to carry out strict detection, prevents weld seam defective and cause product defective, thus leaving potential safety hazard; Traditional weld seam detection has nondestructive examination, the hydraulic testing or gas pressure test, but those detection method complicated operations, sense cycle is long, needs professional to operate, pollute the environment and there is certain danger, cannot detect the weld seam of airtight container end cap simultaneously.
Summary of the invention
(1) technical matters that will solve
It is simple that the technical problem to be solved in the present invention is to provide a kind of structure, handling safety, convenience, the airtight container end cap weld inspection system that pollution-free, sense cycle is short, precision is high and detection method.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of airtight container end cap weld inspection system, comprising stationary installation, vacuum extractor, proving installation and pick-up unit; Described stationary installation comprises support 3, described support 3 is fixed with the round bearing cylinder 5 that sidewall offers bleeding point, the upper surface of described round bearing cylinder 5 is provided with O-ring seal, vertically be provided with cylinder or hydraulic cylinder directly over described round bearing cylinder 5, the output shaft of described cylinder or hydraulic cylinder be fixed with the pressing plate 11 that lower surface establishes rubber blanket; The vacuum air pump 10 that described vacuum extractor comprises tank body 7 and is connected with described tank body 7, the sidewall of described tank body 7 is provided with at least two draft tube 71, described draft tube 71 is provided with the first switch valve 72, the bleeding point of described round bearing cylinder 5 is connected with described draft tube 71 by flexible pipe, and described tank body 7 is provided with pressure vacuum meter 8; Described pick-up unit comprises helium mass spectrometer leak detector 9, and described helium mass spectrometer leak detector 9 is connected with described tank body 7; Described proving installation comprises the helium tank 1 being positioned at described stationary installation side, and described helium tank 1 is connected with spray gun 2 by flexible pipe.
Further, described pick-up unit also includes pipeline 12, and described draft tube 71 is by pipeline 12 described in pipeline connection, and described pipeline is provided with second switch valve 73, and described helium mass spectrometer leak detector 9 is communicated with described pipeline 12.
Use the detection method of above-mentioned airtight container end cap weld inspection system, it comprises the following steps,
A, the top and bottom of airtight container end cap 6 to be cleaned, remove large granular impurity or welding slag;
B, drive described cylinder or hydraulic cylinder, make described pressing plate lifting;
C, be positioned on described round bearing cylinder 5 by described airtight container end cap 6, adjustment position, prevents from;
D, drive described cylinder or hydraulic cylinder, described pressing plate 11 is declined and is depressed into described airtight container end cap 6 upper end;
E, open described first switch valve 72, start described vacuum air pump 10, suction is to being more than or equal to 1 × 10 simultaneously -4pa and be less than or equal to 10 × 10 -4described vacuum air pump 10 is closed after Pa;
F, the switch opened on described helium tank 1, undertaken lasting jet by described spray gun 2 weld seam aimed in described airtight container end cap 6;
G, the reading observed on described helium mass spectrometer leak detector 9, judge that whether weld seam is qualified;
H, drive described cylinder or hydraulic cylinder, make described pressing plate lifting, described airtight container end cap 6 is taken out.
Further, between step e and step f, be provided with step I, described step I is for closing described first switch valve 72.
Further, in described step e, suction to 2 × 10 -4pa.
(3) beneficial effect
Airtight container end cap weld inspection system of the present invention and detection method, structure is simple, can carry out fabrication and installation voluntarily; Simple to operation, without the need to professional, reduce production cost; Pollution-free, can not work the mischief to operating personnel and environment; Sense cycle is short, and general sense cycle, in 5 minutes, substantially increases production efficiency; Accuracy of detection is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of airtight container end cap weld inspection system of the present invention;
Fig. 2 is airtight container end cap weld seam detection process flow diagram of the present invention.
Embodiment
Consult Fig. 1, the invention provides a kind of airtight container end cap weld inspection system, comprise stationary installation, vacuum extractor, proving installation and pick-up unit; Stationary installation comprises support 3, support 3 is fixed with the round bearing cylinder 5 that sidewall offers bleeding point, O-ring seal is provided with at the upper surface of round bearing cylinder 5, directly over round bearing cylinder 5, be vertically provided with cylinder or hydraulic cylinder, the output shaft of cylinder or hydraulic cylinder be fixed with the pressing plate 11 that lower surface establishes rubber blanket; The vacuum air pump 10 that vacuum extractor comprises tank body 7 and is connected with this tank body 7, at least two draft tube 71 are provided with at the sidewall of tank body 7, draft tube 71 is provided with the first switch valve 72, the bleeding point of round bearing cylinder 5 is connected with draft tube 71 by flexible pipe, and tank body 7 is provided with pressure vacuum meter 8; Pick-up unit comprises helium mass spectrometer leak detector 9, and helium mass spectrometer leak detector 9 is connected with tank body 7; Proving installation comprises the helium tank 1 being positioned at stationary installation side, and helium tank 1 is connected with spray gun 2 by flexible pipe; Further, pick-up unit also includes pipeline 12, and draft tube 71 is by pipeline connection pipeline 12, and pipeline is provided with second switch valve 73, and helium mass spectrometer leak detector 9 is communicated with pipeline 12.
Consult Fig. 2, use the detection method of above-mentioned airtight container end cap weld inspection system, it comprises the following steps,
A, the top and bottom of airtight container end cap 6 to be cleaned, remove large granular impurity or welding slag, prevent bulky grain or welding slag from sealing surface is leaked gas, affect testing result;
B, driving cylinder or hydraulic cylinder, make described pressing plate lifting, be convenient to lay airtight container end cap 6;
C, be positioned on round bearing cylinder 5 by airtight container end cap 6, adjustment position, prevents from and affects testing result;
D, driving cylinder or hydraulic cylinder, make pressing plate 11 decline and be depressed into airtight container end cap 6 upper end, making itself and isolated from atmosphere;
E, open the first switch valve 72, start vacuum air pump 10, suction is to being more than or equal to 1 × 10 simultaneously -4pa and be less than or equal to 10 × 10 -4vacuum air pump 10 is closed after Pa, in the present embodiment, suction to 2 × 10 -4pa;
F, the switch opened on helium tank 1, the weld seam aimed at by spray gun 2 in airtight container end cap 6 carries out lasting jet, and it continues jet along bead direction, improves accuracy of detection;
G, the reading observed on helium mass spectrometer leak detector 9, judge that whether weld seam is qualified; As weld seam is defective, then helium is inhaled into tank body under suction function, makes helium mass spectrometer leak detector 9 produce reading; As weld is accepted, then helium cannot penetrate weld seam, makes helium mass spectrometer leak detector 9 non-metering;
H, driving cylinder or hydraulic cylinder, make described pressing plate lifting, taken out by airtight container end cap 6, complete detection.
Enter in tank body to prevent helium and reduce accuracy of detection, between step e and step f, be provided with step I, this step I is closedown first switch valve 72.
Airtight container end cap weld inspection system of the present invention and detection method, structure is simple, can carry out fabrication and installation voluntarily; Simple to operation, without the need to professional, reduce production cost; Pollution-free, can not work the mischief to operating personnel and environment; Sense cycle is short, and general sense cycle, in 5 minutes, substantially increases production efficiency; Accuracy of detection is high
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 prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (5)

1. an airtight container end cap weld inspection system, is characterized in that: comprise stationary installation, vacuum extractor, proving installation and pick-up unit;
Described stationary installation comprises support (3), described support (3) is fixed with the round bearing cylinder (5) that sidewall offers bleeding point, the upper surface of described round bearing cylinder (5) is provided with O-ring seal, vertically be provided with cylinder or hydraulic cylinder directly over described round bearing cylinder (5), the output shaft of described cylinder or hydraulic cylinder be fixed with the pressing plate (11) that lower surface establishes rubber blanket;
The vacuum air pump (10) that described vacuum extractor comprises tank body (7) and is connected with described tank body (7), the sidewall of described tank body (7) is provided with at least two draft tube (71), described draft tube (71) is provided with the first switch valve (72), the bleeding point of described round bearing cylinder (5) is connected with described draft tube (71) by flexible pipe, and described tank body (7) is provided with pressure vacuum meter (8);
Described pick-up unit comprises helium mass spectrometer leak detector (9), and described helium mass spectrometer leak detector (9) is connected with described tank body (7);
Described proving installation comprises the helium tank (1) being positioned at described stationary installation side, and described helium tank (1) is connected with spray gun (2) by flexible pipe.
2. airtight container end cap weld inspection system as claimed in claim 1, it is characterized in that: described pick-up unit also includes pipeline (12), described draft tube (71) is by pipeline described in pipeline connection (12), described pipeline is provided with second switch valve (73), and described helium mass spectrometer leak detector (9) is communicated with described pipeline (12).
3. an airtight container end cap weld inspection method, is characterized in that, uses airtight container end cap weld inspection system as claimed in claim 1, and comprises the following steps:
A, the top and bottom of airtight container end cap (6) to be cleaned, remove large granular impurity or welding slag;
B, drive described cylinder or hydraulic cylinder, make described pressing plate lifting;
C, be positioned on described round bearing cylinder (5) by described airtight container end cap (6), adjustment position, prevents from;
D, drive described cylinder or hydraulic cylinder, described pressing plate (11) is declined and is depressed into described airtight container end cap (6) upper end;
E, open described first switch valve (72), start described vacuum air pump (10), suction is to being more than or equal to 1 × 10 simultaneously -4pa and be less than or equal to 10 × 10 -4described vacuum air pump (10) is closed after Pa;
F, the switch opened on described helium tank (1), by described spray gun (2), the weld seam aimed in described airtight container end cap (6) carries out lasting jet;
G, the reading observed on described helium mass spectrometer leak detector (9), judge that whether weld seam is qualified;
H, drive described cylinder or hydraulic cylinder, make described pressing plate lifting, described airtight container end cap (6) is taken out.
4. detection method as claimed in claim 3, is characterized in that: between step e and step f, be provided with step I, and described step I is for closing described first switch valve (72).
5. detection method as claimed in claim 3, is characterized in that: in described step e, suction to 2 × 10 -4pa.
CN201310378915.1A 2013-08-27 2013-08-27 Airtight container end cap weld inspection system and detection method Active CN103471780B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310378915.1A CN103471780B (en) 2013-08-27 2013-08-27 Airtight container end cap weld inspection system and detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310378915.1A CN103471780B (en) 2013-08-27 2013-08-27 Airtight container end cap weld inspection system and detection method

Publications (2)

Publication Number Publication Date
CN103471780A CN103471780A (en) 2013-12-25
CN103471780B true CN103471780B (en) 2015-09-30

Family

ID=49796722

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310378915.1A Active CN103471780B (en) 2013-08-27 2013-08-27 Airtight container end cap weld inspection system and detection method

Country Status (1)

Country Link
CN (1) CN103471780B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105334006B (en) * 2014-08-14 2018-05-04 丹阳市利旺车辆部件有限公司 A kind of leakage detection apparatus for LNG mounted gas cylinder gas-liquid sealing components
CN105910771A (en) * 2016-05-30 2016-08-31 华电电力科学研究院 Helium vacuum leak checking device
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
CN106248313A (en) * 2016-07-25 2016-12-21 合肥力翔电池科技有限责任公司 A kind of products air tightness detection device
CN110174224B (en) * 2019-04-23 2021-06-29 中国科学院合肥物质科学研究院 Helium mass spectrum backpressure leak detection method for stainless steel welding seam on outer layer of conductor with multilayer composite structure
CN110398420B (en) * 2019-08-19 2021-11-12 艾尔希庆华(西安)汽车有限公司 Gas generator liquid explosion rechecking test method
CN111964846A (en) * 2020-09-28 2020-11-20 郑州斯倍思机电有限公司 By using CO2System for detecting tightness of workpiece
CN112289469A (en) * 2020-11-03 2021-01-29 浙江伦特机电有限公司 Leakage testing device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63163133A (en) * 1986-12-24 1988-07-06 Tokin Corp Method for inspecting vacuum leakage
JP4821553B2 (en) * 2006-10-12 2011-11-24 三菱電機株式会社 Leak inspection device
CN201464134U (en) * 2009-03-16 2010-05-12 浙江上能锅炉有限公司 Vacuum leak detection device of vacuum hot-water boiler
CN101625278A (en) * 2009-08-10 2010-01-13 西部金属材料股份有限公司 Heat condition pressure test method of titanium-steel composite board reactor welding seam
TWI458954B (en) * 2011-05-04 2014-11-01 Au Optronics Corp Covering ring for conducting weld leak check and system and method using the same

Also Published As

Publication number Publication date
CN103471780A (en) 2013-12-25

Similar Documents

Publication Publication Date Title
CN103471780B (en) Airtight container end cap weld inspection system and detection method
CN205826241U (en) Air-tightness detection device
CN205352639U (en) Dress powder canning leak hunting device
CN103084340B (en) A kind of air tightness test sorting plant automatically
CN105327863A (en) Automatic air impermeability helium detector for square power batteries
CN104792469A (en) Automatic detecting platform for airtightness of air cylinders
CN110608855A (en) Device for detecting air leakage in target piece production process
CN208420295U (en) A kind of sealing shroud detecting tool
CN204286715U (en) A kind of sealing property testing equipment
CN105953985A (en) Lithium battery electrode cover plate helium mass spectrum leak detection method
CN204214612U (en) Air tightness detection apparatus
CN205300876U (en) Diaphragm valve detection device
CN203490042U (en) Simple vacuum leakage-detecting device for battery
CN206786158U (en) Double-deck pipe device
CN101915642B (en) Device for detecting leak tightness of inner water tank of vacuum-tube solar water heater
CN203231876U (en) Glove leak detector applied to portable isolator
CN102141460A (en) Airtightness test machine for titanium welded pipes
CN206019949U (en) Fast accurate tubing leakage point detector
CN105466652A (en) Detection device of diaphragm valve
CN205183181U (en) Machine is examined to automatic gas tightness helium of square power battery
CN111678654A (en) Transformer oil tank oil leakage grading detection device and detection method
CN208333779U (en) A kind of leakage detection apparatus of non-cavity body structure part
CN208833439U (en) A kind of coil plug air tightness test tooling
CN202350992U (en) Device for section helium spectrum leakage detecting for power reactor irradiated fuel rod
CN110426164A (en) A kind of airtight detecting apparatus and method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Wang Yiliang

Inventor after: Gong Chongxing

Inventor after: Ye Qing

Inventor after: Xiang Zhongguang

Inventor before: Gong Chongxing

Inventor before: Ye Qing

Inventor before: Xiang Zhongguang