CN108332911A - Fuel tank air-tightness detection method - Google Patents
Fuel tank air-tightness detection method Download PDFInfo
- Publication number
- CN108332911A CN108332911A CN201710870977.2A CN201710870977A CN108332911A CN 108332911 A CN108332911 A CN 108332911A CN 201710870977 A CN201710870977 A CN 201710870977A CN 108332911 A CN108332911 A CN 108332911A
- Authority
- CN
- China
- Prior art keywords
- fuel tank
- workseat
- pressing plate
- adjustable shelf
- air
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
Fuel tank is pushed to from right roll stand on workseat by a kind of fuel tank air-tightness detection method, and two circular orifices of fuel tank are blocked with plunger caulking, the ventilation nozzle of fuel tank is filled in internal expanding plug；Plunger caulking is compressed with pressing plate, ensure that fuel tank is air tight, being clipped between pressing plate and workseat tightly by fuel tank simultaneously, by internal expanding plug and tracheae air is filled with to fuel tank internal, after the completion of inflation, adjustable shelf cylinder drives the workseat of adjustable shelf and its underpart to decline, the fuel tank on workseat sunk to the water surface of sink hereinafter, each fuel tank of visual observations whether gas leakage.Its advantage is that detection cycle is short, production efficiency is substantially increased；The accuracy of detection simultaneously is high, fuel tank pushes fuel tank to sink to, carry away the water surface without human intervention on roller, reduce the labor intensity of worker, fuel tank carries away automatic exhaust pressure relief during the water surface, avoid being easy to cause fuel tank when pressing plate rising after sensing because gas expansion deforms, automatization level is higher.
Description
Technical field
The present invention relates to mechanical engineering technical field, more particularly to a kind of fuel tank production process suitable for automobile metal
Fuel tank air-tightness detection method.
Background technology
For automotive oil tank as a kind of important auto parts and components, most basic requirement is that cannot have leakage, therefore fuel tank is given birth to
Air-leakage test must be done during production.Existing detection method is carried out in common water tank, i.e., fuel tank is filled with certain air pressure
Manually fuel tank is pressed into water tank after air, visual observations whether gas leakage, the reason of the method is because of buoyancy is more difficult to be pressed into fuel tank
In water, labor intensity is big, and the degree of automation is low, and detection efficiency is not high.
Invention content
It is an object of the invention to provide a kind of higher fuel tank air-tightness detection methods of automatization level.
The solution of the present invention is such：
A kind of air-tightness detection method of the present invention is carried out using detection device, and detection device includes sink, has holder, described
Sink is located at below holder；It is provided with adjustable shelf between sink below the holder, holder is fixed with the first actuating unit, the
The mobile terminal of one actuating unit connects adjustable shelf so that the first actuating unit pushes adjustable shelf to move up and down；Under the adjustable shelf
Side is equipped with workseat, and pressing plate assembly is provided between adjustable shelf and workseat, and the pressing plate assembly is used with adjustable shelf and led
Slot guide rail structure connects, and the second actuating unit is fixed in adjustable shelf, and the mobile terminal of the second actuating unit connects pressing plate assembly,
Under second actuating unit pushes, pressing plate assembly moves up and down, and the workpiece to being positioned over workseat applies pressure or release is pressed
Power；It is placed with the tracheae at connection gas station on sink side, the end of tracheae is connected with for connecting internal expanding plug with fuel tank venthole.
First actuating unit is vertically-mounted there are one adjustable shelf in the leftmost side of cradle top and rightmost side difference
The piston rod of cylinder, this two cylinders connects adjustable shelf, drives adjustable shelf to move up and down by adjustable shelf cylinder.
Second actuating unit is in adjustable shelf fixation clip cylinder, and the piston rod connection pressing plate of the pressing plate cylinder is total
At, by pressing plate cylinder piston rod band dynamic pressure plate assembly move up and down.
The pressing plate assembly includes the pressing plate of lower layer and the pressing plate link on upper layer, and pressing plate connects pressing plate by supporting rod
Frame.
The guide groove guide rail structure be fixed in adjustable shelf trepanning pressing plate assembly guide post pass through the hole formed with hole
For the guide groove guide rail structure of guiding.
The holder both sides are separately installed with left roll stand, right roll stand, and the sink is located at left roll stand, right roll stand
Between, the corresponding linking of the workseat and left roll stand, right roll stand forms the channel for conveying workpiece.
The workseat is equipped with multiple rollers, and all rollers are all cylindric and can rotate under external force, roller
Sublist face is wrapped in flexible glue.
The left roll stand, right roll stand are equipped with multiple rollers, and all rollers are all cylindric and can be in outer masterpiece
With lower rotation, roller surfaces are wrapped in flexible glue.
The fuel tank air-tightness detection method of the present invention, including step：
（1）Parameter setting step：Suitable detection air pressure and detection time are pre-set according to fuel tank model；
（2）Fuel tank positioning step：Fuel tank is pushed to from right roll stand on workseat；
（3）It blocks up step：Two circular orifices that fuel tank is blocked with plunger caulking, the ventilation nozzle of fuel tank is filled in internal expanding plug；
（4）Plunger caulking compresses sealing step：Plunger caulking is compressed with pressing plate, ensures that fuel tank is air tight while fuel tank is tight
Tight is clipped between pressing plate and workseat；
（5）Aeration step：Automatically by internal expanding plug and tracheae air is filled with to fuel tank internal；
（6）Fuel tank submerged step：After the completion of inflation, adjustable shelf cylinder drives adjustable shelf and the workseat of its underpart to decline,
Fuel tank on workseat is sunk to the water surface of sink or less；
（7）Sealing propertytest step：The each fuel tank of visual observations whether gas leakage；
（8）Fuel tank up step:After reaching preset detection time, adjustable shelf cylinder drives adjustable shelf and the workseat of its underpart
Rise, fuel tank is carried away into the water surface, then pressing plate cylinder band dynamic pressure plate rises, and fuel tank is no longer compacted；
（9）Step is completed in detection:Plunger and internal expanding plug are dismantled, underproof fuel tank is taken away and does over again, by qualified fuel tank
It shifts onto in left roll stand, then next production station is transferred to via conveyer belt.
It is an advantage of the invention that：
1, multiple fuel tanks can be once detected simultaneously, and detection cycle is short, substantially increases production efficiency；The accuracy of detection simultaneously
It is high；
2, fuel tank can push on roller, be carried without artificial, fuel tank sinks to, carries away the water surface without human intervention, reduces work
The labor intensity of people；
3, fuel tank carries away automatic exhaust pressure relief during the water surface, avoids being easy to cause fuel tank because of gas when pressing plate rising after sensing
Body dilatancy；
4, automatization level is higher, while the automatic production line of linkage can be formed with other process.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Reference numeral is in figure：1, holder；2, left roll stand；3, pressing plate；4, adjustable shelf；5, pressing plate link；6, it leads
Column；7, adjustable shelf cylinder；8, pressing plate cylinder；9, electric appliance box；10, operation panel；11, air gauge；12, regulating valve；13, internal expanding is stifled
Head；14, workseat；15, right roll stand；16, roller；17, sink；18, fuel tank.
Specific implementation mode
Structure Figure below is detected using dedicated detection device, and the present invention will be described in detail：
As shown in Figure 1, detection device includes sink 17, there is holder 1, the sink 17 to be located at 1 lower section of holder；Under the holder 1
Adjustable shelf 4 is provided between side and sink 17, holder 1 is fixed with the first actuating unit, the mobile terminal connection of the first actuating unit
Adjustable shelf 4 so that the first actuating unit pushes adjustable shelf 4 to move up and down；4 lower section of the adjustable shelf is equipped with workseat 14,
Pressing plate assembly is provided between adjustable shelf 4 and workseat 14, the pressing plate assembly is connected with adjustable shelf 4 using guide groove guide rail structure
It connects, is fixed with the second actuating unit in adjustable shelf 4, the mobile terminal of the second actuating unit connects pressing plate assembly, in the second engine
Under structure pushes, pressing plate assembly moves up and down, and the workpiece to being positioned over workseat 14 applies pressure or releases stress；In sink
While being placed with the tracheae at connection gas station, the end of tracheae is connected with for connecting internal expanding plug 13 with fuel tank venthole.
First actuating unit is that vertically-mounted there are one adjustable shelfs in the leftmost side at the top of holder 1 and rightmost side difference
The piston rod of cylinder 7, this two cylinders connects adjustable shelf 4, drives adjustable shelf 4 to move up and down by adjustable shelf cylinder 7.
Second actuating unit is in 4 fixation clip cylinder 8 of adjustable shelf, the piston rod connection pressure of the pressing plate cylinder 8
Plate assembly is moved up and down by the piston rod band dynamic pressure plate assembly of pressing plate cylinder 8.
The pressing plate assembly includes the pressing plate 3 of lower layer and the pressing plate link 5 on upper layer, and pressing plate 3 is connected by supporting rod
Pressing plate frame 5.
The guide groove guide rail structure be fixed in 4 trepanning of adjustable shelf pressing plate assembly guide post 6 pass through the hole formed with
Hole is the guide groove guide rail structure being oriented to.
1 both sides of the holder are separately installed with left roll stand 2, right roll stand 15, the sink 17 be located at left roll stand 2,
Between right roll stand 15, the corresponding linking of the workseat 14 and left roll stand 2, right roll stand 15 forms and leads to what workpiece convey
Road.
The workseat 14 is equipped with multiple rollers, and all rollers are all cylindric and can rotate under external force,
Roller surfaces are wrapped in flexible glue.
The left roll stand 2, right roll stand 15 are equipped with multiple rollers, and all rollers are all cylindric and can be in external force
The lower rotation of effect, roller surfaces are wrapped in flexible glue.
Below according to structure shown in Fig. 1, the present invention is described in detail：
One 1 lower section installation of big holder fills water there are one long sink 17 in sink 17；It installs the leftmost side of 1 lower part of holder
There are one left roll stand 2, multiple rollers are installed in left roll stand 2；There are one right roll stands for the installation of the 1 lower part rightmost side of holder
15, multiple rollers are installed in right roll stand 15；The leftmost side and the rightmost side at 1 top of holder are respectively perpendicular installation, and there are one activities
The piston rod of frame cylinder 7, this two adjustable shelf cylinders 7 is fixedly connected a big adjustable shelf 4, the lower section installation of adjustable shelf 4
Workseat 14, i.e. adjustable shelf 4 and workseat 14 can hang in the air and can do lifting action under the drive of adjustable shelf cylinder 7；
Multiple rollers are installed on workseat 14, roller herein is not fixed with the roller of left and right roll stand to be connect, but can correspond to linking,
All rollers are all cylindric and can rotate under external force that roller surfaces are wrapped in flexible glue, prevent from scratching tank surface,
Fuel tank in the case where pushing by hand can right-to-left be moved to workseat 14 from right roll stand 15 and move again to left roll stand 2；Holder 1
Top installation there are one electric appliance box 9, the elements such as solenoid valve are all mounted in electric appliance box；The left side at the top of adjustable shelf 4, middle part,
Three pressing plate cylinders 8 are fixedly mounted in right side, and pressing plate cylinder 8 is vertically-mounted, and the both sides of each pressing plate cylinder 8 are respectively perpendicular peace
Four guide posts are filled with, guide post can slide up and down in the guide pillar hole on adjustable shelf 4, the lower end of guide post and the work of pressing plate cylinder 8
Stopper rod end is fixedly connected pressing plate link 5, and the bottom of each pressing plate link 5 is respectively fixedly connected a pressing plate 3,
Three pressing plate cylinders 8 can drive three pressing plates 3 to do lifting action under the guiding of guide post respectively；4 top of adjustable shelf is installed with nine
A air gauge 11 and nine regulating valves 12；The lower section of holder 1, the position on sink side are installed with nine tracheaes, Mei Geqi
Pipe is connected to an internal expanding plug 13, and internal expanding plug 13 has the effect of ventilation, leak stopping concurrently；1 middle part of holder is installed with an operation
Panel 10, various parameters setting button, operation button all integrate on this panel, can be configured to detection time etc.；Sink
Multiple LDE lamps are installed, LDE lamps are not easy reflective in underwater, and integral illumination is easily observed in place, as being mounted on the water surface in 17
Then the water surface is reflective dazzling and illumination is not comprehensive enough, be easy to cause dim eyesight and is not easy to observe whether workpiece leaks.
The detecting step of the present embodiment is as follows：
（1）Parameter setting：Suitable detection air pressure and detection time are pre-set according to fuel tank model, is arranged by regulating valve 12
Detection time is arranged by operation panel 10 in air pressure；
（2）Fuel tank is placed：The fuel tank for completing a upper production process is pushed to from right roll stand 15 on workseat 14, i.e., it will be oily
Case is transferred to check bit, and nine fuel tanks can be at most placed simultaneously to be detected on workseat 14；
（3）It blocks up：Two circular orifices that fuel tank is blocked with plunger caulking, the ventilation nozzle of fuel tank is filled in internal expanding plug 13；
（4）Compress plunger：Start button is pressed, 4 top board cylinder 8 of adjustable shelf declines with dynamic pressure plate 3, and pressing plate 3 touches plunger
After compress plunger, ensure air tight, also ensure fuel tank being clipped between pressing plate 3 and workseat 14 tightly；
（5）Inflation：Automatically by internal expanding plug 13 and tracheae air is filled with to fuel tank internal；
（6）Fuel tank submerged：After the completion of inflation, adjustable shelf cylinder 7 drives adjustable shelf 4 and the workseat 14 of its underpart to decline,
Fuel tank on workseat 14 is sunk to the water surface of sink 17 or less.
（7）Detection：The each fuel tank of visual observations whether gas leakage；
（8）Fuel tank rises:After reaching preset detection time, adjustable shelf cylinder 7 drives adjustable shelf 4 and the workseat 14 of its underpart
Rise, fuel tank is carried away during water surface is carried away can be by the automatic exhaust pressure relief of snorkel of internal expanding plug 13, then pressing plate
Cylinder 8 rises with dynamic pressure plate 3, and fuel tank is no longer compacted, and as directly carried out pressing plate rising without first carrying out exhaust pressure relief, easily leads to
Fuel tank is deformed because of gas expansion
（9）Detection is completed:Hand disassembly plunger and internal expanding plug 13 take underproof fuel tank away and do over again, by qualified oil
Case is shifted onto in left roll stand 2, then is transferred to next production station via conveyer belt
In entire detection process, the flow direction of fuel tank 18 is right-to-left, i.e., fuel tank 18 is moved to workseat 14 from right roll stand 15
It is detected, moves again to left roll stand 2 after the completion, multiple rollers are fitted in left and right roll stand and workseat, roller can
With rotation, therefore fuel tank can be moved easily by manually pushing on roller, and flexible glue is coated on roller, will not be to fuel tank
Generate scuffing.
Claims (1)
1. a kind of fuel tank air-tightness detection method, it is characterised in that：Including step：
（1）Parameter setting step：Suitable detection air pressure and detection time are pre-set according to fuel tank model；
（2）Fuel tank positioning step：Fuel tank is pushed to from right roll stand on workseat；
（3）It blocks up step：Two circular orifices that fuel tank is blocked with plunger caulking, the ventilation nozzle of fuel tank is filled in internal expanding plug；
（4）Plunger caulking compresses sealing step：Plunger caulking is compressed with pressing plate, ensures that fuel tank is air tight while fuel tank is tight
Tight is clipped between pressing plate and workseat；
（5）Aeration step：Automatically by internal expanding plug and tracheae air is filled with to fuel tank internal；
（6）Fuel tank submerged step：After the completion of inflation, adjustable shelf cylinder drives adjustable shelf and the workseat of its underpart to decline,
Fuel tank on workseat is sunk to the water surface of sink or less；
（7）Sealing propertytest step：The each fuel tank of visual observations whether gas leakage；
（8）Fuel tank up step:After reaching preset detection time, adjustable shelf cylinder drives adjustable shelf and the workseat of its underpart
Rise, fuel tank is carried away into the water surface, then pressing plate cylinder band dynamic pressure plate rises, and fuel tank is no longer compacted；
（9）Step is completed in detection:Plunger and internal expanding plug are dismantled, underproof fuel tank is taken away and does over again, by qualified fuel tank
It shifts onto in left roll stand, then next production station is transferred to via conveyer belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710870977.2A CN108332911A (en) | 2017-09-24 | 2017-09-24 | Fuel tank air-tightness detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710870977.2A CN108332911A (en) | 2017-09-24 | 2017-09-24 | Fuel tank air-tightness detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108332911A true CN108332911A (en) | 2018-07-27 |
Family
ID=62923157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710870977.2A Pending CN108332911A (en) | 2017-09-24 | 2017-09-24 | Fuel tank air-tightness detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108332911A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141781A (en) * | 2018-08-16 | 2019-01-04 | 常州信息职业技术学院 | Fuel tank device for detecting sealability and its detection method |
| CN109443646A (en) * | 2018-12-18 | 2019-03-08 | 天津市中重科技工程有限公司 | A kind of oil tank air tightness detector |
| CN109612638A (en) * | 2019-01-12 | 2019-04-12 | 江苏阳铭互联智能系统有限公司 | A kind of air tightness detection apparatus |
| CN110987303A (en) * | 2019-12-10 | 2020-04-10 | 泸州发展机械有限公司 | Fuel tank air tightness detection tool and sealing plug pressing tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187787Y (en) * | 1994-03-31 | 1995-01-18 | 刘兴汉 | Sealing property check machine for steel pot of liquefied petroleum gas |
| CN201331418Y (en) * | 2008-10-13 | 2009-10-21 | 潍坊潍柴零部件机械有限公司 | Air-tightness detection device of shell body |
| CN102865971A (en) * | 2012-09-06 | 2013-01-09 | 天津杰科同创科技发展有限公司 | Ceramic sanitary appliance detection system |
| CN103528765A (en) * | 2013-10-25 | 2014-01-22 | 重庆科技学院 | Water detecting machine of air cylinder cover hood of engine |
| CN204142450U (en) * | 2014-10-09 | 2015-02-04 | 法拉达汽车散热器（天津）有限公司 | Radiator water chamber airtightness test table |
-
2017
- 2017-09-24 CN CN201710870977.2A patent/CN108332911A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187787Y (en) * | 1994-03-31 | 1995-01-18 | 刘兴汉 | Sealing property check machine for steel pot of liquefied petroleum gas |
| CN201331418Y (en) * | 2008-10-13 | 2009-10-21 | 潍坊潍柴零部件机械有限公司 | Air-tightness detection device of shell body |
| CN102865971A (en) * | 2012-09-06 | 2013-01-09 | 天津杰科同创科技发展有限公司 | Ceramic sanitary appliance detection system |
| CN103528765A (en) * | 2013-10-25 | 2014-01-22 | 重庆科技学院 | Water detecting machine of air cylinder cover hood of engine |
| CN204142450U (en) * | 2014-10-09 | 2015-02-04 | 法拉达汽车散热器（天津）有限公司 | Radiator water chamber airtightness test table |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141781A (en) * | 2018-08-16 | 2019-01-04 | 常州信息职业技术学院 | Fuel tank device for detecting sealability and its detection method |
| CN109443646A (en) * | 2018-12-18 | 2019-03-08 | 天津市中重科技工程有限公司 | A kind of oil tank air tightness detector |
| CN109612638A (en) * | 2019-01-12 | 2019-04-12 | 江苏阳铭互联智能系统有限公司 | A kind of air tightness detection apparatus |
| CN109612638B (en) * | 2019-01-12 | 2023-12-12 | 江苏阳铭互联智能系统有限公司 | Airtight detection device |
| CN110987303A (en) * | 2019-12-10 | 2020-04-10 | 泸州发展机械有限公司 | Fuel tank air tightness detection tool and sealing plug pressing tool |
| CN110987303B (en) * | 2019-12-10 | 2021-10-22 | 泸州发展机械有限公司 | Fuel tank air tightness detection tool and sealing plug pressing tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108332911A (en) | Fuel tank air-tightness detection method | |
| CN103868657B (en) | A kind of rotating wheel air tightness detection machine | |
| CN201852681U (en) | Bubble leakage detection device | |
| CN201497618U (en) | Diesel engine cylinder cover water channel leakage testing machine | |
| CN205679367U (en) | A kind of filter assembly air-tightness detection device | |
| CN202204652U (en) | Leak detection device for cylinder block | |
| CN105067197A (en) | Automobile intake pipe air tightness detection device and detection method | |
| CN205102986U (en) | Oil pump bracket leak hunting device | |
| CN205002928U (en) | Car intake pipe gas tightness check out test set | |
| CN202066645U (en) | Dynamic clamp for checking air tightness of assembly | |
| CN202075109U (en) | Air tightness detector for reducer shell | |
| CN202547912U (en) | Valve pressure testing device | |
| CN201050474Y (en) | Water pump test bench rapid clamp device | |
| CN210243114U (en) | Bellows leakproofness detection device | |
| CN103292964A (en) | Pump leakage detecting device | |
| CN202442847U (en) | Airtight testing machine for steel seamless gas cylinder | |
| CN208568190U (en) | Fuel tank air tightness detection equipment | |
| CN203083784U (en) | Hydraulically compacted-type leakage testing device | |
| CN209432375U (en) | A kind of air tightness detection equipment of bearing tank shell | |
| CN204924584U (en) | Fire hydrant combined test stand | |
| CN203981359U (en) | A kind of air-tightness detection device fast | |
| CN111044233A (en) | Air inlet joint air tightness detection system | |
| CN202720090U (en) | Four-way valve air tightness test device | |
| CN211121832U (en) | Dry type automatic leakage detector for diesel engine body | |
| CN201402202Y (en) | Semi-automatic closed leak tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180727 |
|
| WD01 | Invention patent application deemed withdrawn after publication |