CN110426164A - A kind of airtight detecting apparatus and method - Google Patents
A kind of airtight detecting apparatus and method Download PDFInfo
- Publication number
- CN110426164A CN110426164A CN201910827945.3A CN201910827945A CN110426164A CN 110426164 A CN110426164 A CN 110426164A CN 201910827945 A CN201910827945 A CN 201910827945A CN 110426164 A CN110426164 A CN 110426164A
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- clamping cylinder
- cylinder
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- clamping
- airtight
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- 238000000034 method Methods 0.000 title abstract description 6
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000007779 soft material Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to a kind of airtight detecting apparatus and methods, the equipment includes bottom plate and the compression cylinder for being used to fix exhaust pipe on bottom plate, clamping cylinder one is respectively arranged on the outside of two sensor holder and two port corresponding positions after the exhaust pipe is fixed, clamping cylinder two, clamping cylinder three and clamping cylinder four, the clamping cylinder one, clamping cylinder two, the top of clamping cylinder three and clamping cylinder four is respectively fixed with clamping cylinder sealing blocking, it is blocked using Automated assembly, using four cylinders to needs block hole blocks, again plus a cylinder is compressed, it solves the problems, such as to block manually and take time and effort, and air pressure sensing device is accessed in inside, air pressure inside and leakage air pressure can be detected, to export Effective Numerical, it is long fundamentally to solve original detection time, detection is inaccurate, The problems such as detection difficult, detection efficiency improve 100%, reduce personnel's waste, and a people can operate, and production efficiency improves a lot.
Description
Technical field
The present invention relates to automobile exhaust pipe detection device field, specifically a kind of airtight detecting apparatus and method.
Background technique
Welding pressure sensor and temperature sensor nut-welding product are more and more in present automobile industry exhaust system,
So welding quality and products air tightness require also higher and higher, the airtight leakage value visualization of product requirement.
Original detection method is to be stoppered one by one by hand, and not only short time consumption is long, but also leakproofness is also bad, often
Test product gas leakage is caused due to blocking not in place or other reasons, main is that can not show leakage value, it does not reach requirement,
Specially manually pipe fitting is blocked with polyurethane, access gas source is inflated pipe fitting, then with suds to welded seam,
And all closure ports are smeared, and are considered as that gas leakage is unqualified, and existing method has the following disadvantages: if bubbling at discovery smearing
1: it is artificial block it is difficult, need 2 people or more than just can be carried out product plugging operations, cause personnel to waste, cost increases
It is high；
2: artificial blocking time is long, low efficiency.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of airtight detecting apparatus, existing in the prior art to solve
Defect.
The technical scheme to solve the above technical problems is that
A kind of airtight detecting apparatus, the compression cylinder for being used to fix exhaust pipe including bottom plate and on bottom plate are described
Clamping cylinder one, clamping gas are respectively arranged on the outside of two sensor holder and two port corresponding positions after exhaust pipe is fixed
Cylinder two, clamping cylinder three and clamping cylinder four, the clamping cylinder one, clamping cylinder two, clamping cylinder three and clamping cylinder four
Top be respectively fixed with clamping cylinder sealing blocking, be provided with air inlet on the clamping cylinder sealing blocking of the clamping cylinder one
Hole, the air inlet connect external pressurized equipment, and described two sensor holder connection are used to detect the gas of exhaust pipe internal pressure
Pressure sensor, the baroceptor are connect with peripheral control unit；
Further, the clamping cylinder one, clamping cylinder two, clamping cylinder three and clamping cylinder four are solid by bracket
Due on bottom plate；
Further, soft material is coated on the outside of the clamping cylinder sealing blocking；
Further, the cylinder gas circuit of the clamping cylinder one, clamping cylinder two, clamping cylinder three and clamping cylinder four is converged
Gather to operation panel interface, is provided with button one connected to the controller, button two and button three on the operation panel, it is described
Button one controls clamping cylinder one, clamping cylinder two；The button two, button three control clamping cylinder three and clamping cylinder respectively
Four；
Further, alarm and reset button are provided on the operation panel；
A kind of airtight detection method is also provided, is specifically comprised the following steps:
1) cylinder gas circuit is pooled to operation panel interface, each cylinder movement sequence is controlled by button, button one is controlled
Clamping cylinder 1 and clamping cylinder 2 processed, button two control clamping cylinder 3, and button three controls clamping cylinder 4, and product is complete at this time
Portion's sealing；
2) start airtight detector, internal pressurization is carried out to test product, after increasing to standard pressure, carry out pressure maintaining, let out
Numerical value, is output on airtight detector display screen by pressure test eventually by pressure sensing；
3) all clamping cylinders of leakage value eligible state automatically open, and unqualified cylinder is not opened, and detector issues alarm,
It needs to pin operation panel red button manually just to reset；
4) it needs first to pin operation panel emergent stopping knob when replacing detection device, emergency knob is answered again after having replaced
It is former.
The beneficial effects of the present invention are: being blocked using Automated assembly, the hole that needs block is carried out using four cylinders
Block, then plus a cylinder compressed, solve the problems, such as manually block take time and effort, and inside access air pressure sensing dress
It sets, air pressure inside and leakage air pressure can be detected, to export Effective Numerical, fundamentally solve original detection
The problems such as time is long, and detection is inaccurate, detection difficult, detection efficiency improve 100%, reduce personnel's waste, and a people can grasp
Make, production efficiency improves a lot.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
The reference numerals are as follows:
1, bottom plate, 2, compression cylinder, 3, clamping cylinder one, 4, clamping cylinder two, 5, clamping cylinder three, 6, clamping cylinder
Four, 7, clamping cylinder sealing blocking, 8, bracket, 9, air inlet；
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, a kind of airtight detecting apparatus, the pressure for being used to fix exhaust pipe including bottom plate 1 and on bottom plate 1
Tight cylinder 2, is respectively arranged with clamping on the outside of two sensor holder and two port corresponding positions after the exhaust pipe is fixed
Cylinder 1, clamping cylinder 24, clamping cylinder 35 and clamping cylinder 46, the clamping cylinder one, clamp gas at clamping cylinder two
The top of cylinder three and clamping cylinder four is respectively fixed with clamping cylinder sealing blocking 7, and the clamping cylinder of the clamping cylinder 1 is close
Envelope blocks and is provided with air inlet 9 on 7, and the air inlet 9 connects external pressurized equipment, and described two sensor holder connection are for examining
The baroceptor of exhaust pipe internal pressure is surveyed, the baroceptor is connect with peripheral control unit；
Concrete operating principle:
Detection point is to need to close to measure leakage value two sensor holders and two ports, and difficult point is
One end has gap, creates great difficulties to closing, which be made of five cylinders and two brackets,
In four cylinders be corresponding product four need block port positions design, the 5th cylinder be then for compressing product,
The closure installed using four cylinder heads, mechanically closes pipe fitting, closes inside pipe fitting absolutely.
When it is implemented, controlling clamping cylinder 1, clamping cylinder 24,35 and of clamping cylinder by peripheral control unit
Clamping cylinder 46 compresses product, and wherein clamping cylinder one, clamping cylinder two act, and closes nozzle both ends, clamping cylinder three, four
Sensor holder is closed in movement；
In a specific embodiment, the clamping cylinder one, clamping cylinder two, clamping cylinder three and clamping cylinder four are equal
It is fixed on bottom plate by bracket 8；
More specifically, it is coated with soft material on the outside of the clamping cylinder sealing blocking, for by squeezing generation
Deformation enhances sealing performance；
In another specific embodiment, the clamping cylinder one, clamping cylinder two, clamping cylinder three and clamping cylinder four
Cylinder gas circuit converge to operation panel interface, button one connected to the controller, button two are provided on the operation panel
With button three, the button one controls clamping cylinder one, clamping cylinder two；The button two, button three control respectively clamps gas
Cylinder three and clamping cylinder four；
More specifically, alarm and reset button are provided on the operation panel, when detection, leakage value is qualified, owns
Clamping cylinder automatically opens；Unqualified cylinder is not opened, and alarm issues alarm, needs to pin the reset on operation panel manually
Button is resetted.
The present invention also provides a kind of airtight detection methods, specifically comprise the following steps:
1) cylinder gas circuit is pooled to operation panel interface, each cylinder movement sequence is controlled by button, button one is controlled
Clamping cylinder 1 and clamping cylinder 2 processed, button two control clamping cylinder 3, and button three controls clamping cylinder 4, and product is complete at this time
Portion's sealing；
2) start airtight detector, internal pressurization is carried out to test product, after increasing to standard pressure, carry out pressure maintaining, let out
Numerical value, is output on airtight detector display screen by pressure test eventually by pressure sensing；
3) all clamping cylinders of leakage value eligible state automatically open, and unqualified cylinder is not opened, and detector issues alarm,
It needs to pin operation panel red button manually just to reset；
4) it needs first to pin operation panel emergent stopping knob when replacing detection device, emergency knob is answered again after having replaced
It is former.
The present invention has the advantage that
1, artificial utilization is saved, being operated from more people becomes one man operation；
2, operation beat is saved, efficiency improves 100%；
3, easy to operate, automatic plugging detection is become from original manually.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of airtight detecting apparatus, it is characterised in that: the compression for being used to fix exhaust pipe including bottom plate and on bottom plate
Cylinder is respectively arranged with clamping cylinder on the outside of two sensor holder and two port corresponding positions after the exhaust pipe is fixed
One, clamping cylinder two, clamping cylinder three and clamping cylinder four, the clamping cylinder one, clamping cylinder two, clamping cylinder three and folder
The top of tight cylinder four is respectively fixed with clamping cylinder sealing blocking, sets on the clamping cylinder sealing blocking of the clamping cylinder one
It is equipped with air inlet, the air inlet connects external pressurized equipment, and described two sensor holder connection are for detecting inside exhaust pipe
The baroceptor of pressure, the baroceptor are connect with peripheral control unit.
2. a kind of airtight detecting apparatus according to claim 1, it is characterised in that: the clamping cylinder one, clamping cylinder
Two, clamping cylinder three and clamping cylinder four are fixed by the bracket on bottom plate.
3. a kind of airtight detecting apparatus according to claim 2, it is characterised in that: outside the clamping cylinder sealing blocking
Side is coated with soft material.
4. a kind of airtight detecting apparatus according to claim 3, it is characterised in that: the clamping cylinder one, clamping cylinder
Two, the cylinder gas circuit of clamping cylinder three and clamping cylinder four converges to operation panel interface, be provided on the operation panel with
The button one of controller connection, button two and button three, the button one control clamping cylinder one, clamping cylinder two；It is described to press
Button two, button three control clamping cylinder three and clamping cylinder four respectively.
5. a kind of airtight detecting apparatus according to claim 4, it is characterised in that: be provided with alarm on the operation panel
Device and reset button.
6. a kind of airtight detection method, which comprises the steps of:
1) cylinder gas circuit is pooled to operation panel interface, each cylinder movement sequence, the control folder of button one is controlled by button
Tight cylinder one and clamping cylinder two, button two control clamping cylinder three, and button three controls clamping cylinder four, and product is complete at this time
Portion's sealing；
2) start airtight detector, internal pressurization is carried out to test product, after increasing to standard pressure, carry out pressure maintaining, pressure release is surveyed
Numerical value, is output on airtight detector display screen by examination eventually by pressure sensing；
3) all clamping cylinders of leakage value eligible state automatically open, and unqualified cylinder is not opened, and detector issues alarm, need
Operation panel red button is pinned manually just to reset；
4) it needs first to pin operation panel emergent stopping knob when replacing detection device, emergency knob is restored again after having replaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910827945.3A CN110426164A (en) | 2019-09-03 | 2019-09-03 | A kind of airtight detecting apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910827945.3A CN110426164A (en) | 2019-09-03 | 2019-09-03 | A kind of airtight detecting apparatus and method |
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| Publication Number | Publication Date |
|---|---|
| CN110426164A true CN110426164A (en) | 2019-11-08 |
Family
ID=68418641
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910827945.3A Pending CN110426164A (en) | 2019-09-03 | 2019-09-03 | A kind of airtight detecting apparatus and method |
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| Country | Link |
|---|---|
| CN (1) | CN110426164A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113560958A (en) * | 2021-07-26 | 2021-10-29 | 厦门东卓工贸有限公司 | Valve body processing equipment and processing technology of valve faucet |
| CN113776749A (en) * | 2021-08-12 | 2021-12-10 | 祥博传热科技股份有限公司 | Pressure measuring equipment of phase-change cooling heat exchanger |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09159566A (en) * | 1995-12-08 | 1997-06-20 | Mitsubishi Motors Corp | Leakage test method of engine |
| CN202886067U (en) * | 2012-10-31 | 2013-04-17 | 叶廷伟 | Gas tightness detection machine of engine cylinder head intake and exhaust valves |
| CN203132805U (en) * | 2013-02-05 | 2013-08-14 | 柳州恒耀汽车零部件有限公司 | Exhaust-manifold circulative leakage-detection marking machine |
| CN104132788A (en) * | 2014-07-08 | 2014-11-05 | 汇大机械制造（湖州）有限公司 | Airtightness detection method and detection platform for steering-engine casing |
| CN104227607A (en) * | 2014-09-11 | 2014-12-24 | 河南飞龙(芜湖)汽车零部件有限公司 | Exhaust pipe leakage check clamping tool |
| CN204330249U (en) * | 2014-12-29 | 2015-05-13 | 光隆精密工业（福州）有限公司 | Exhaust pipe of engine airtight detecting apparatus |
| CN105334007A (en) * | 2015-11-21 | 2016-02-17 | 重庆平波机械有限公司 | Clamp capable of realizing workpiece press-fitting and airtightness detection |
| CN208621250U (en) * | 2018-08-16 | 2019-03-19 | 重庆秦川世钟汽车配件有限公司 | A kind of movable multipurpose leak detector |
| CN209280241U (en) * | 2019-01-20 | 2019-08-20 | 长春一汽富晟德尔汽车部件有限公司 | It is a kind of to realize automatic test device for air tightness |
| CN210243116U (en) * | 2019-09-03 | 2020-04-03 | 长春近江汽车零部件有限公司 | Airtightness detection equipment |
-
2019
- 2019-09-03 CN CN201910827945.3A patent/CN110426164A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09159566A (en) * | 1995-12-08 | 1997-06-20 | Mitsubishi Motors Corp | Leakage test method of engine |
| CN202886067U (en) * | 2012-10-31 | 2013-04-17 | 叶廷伟 | Gas tightness detection machine of engine cylinder head intake and exhaust valves |
| CN203132805U (en) * | 2013-02-05 | 2013-08-14 | 柳州恒耀汽车零部件有限公司 | Exhaust-manifold circulative leakage-detection marking machine |
| CN104132788A (en) * | 2014-07-08 | 2014-11-05 | 汇大机械制造（湖州）有限公司 | Airtightness detection method and detection platform for steering-engine casing |
| CN104227607A (en) * | 2014-09-11 | 2014-12-24 | 河南飞龙(芜湖)汽车零部件有限公司 | Exhaust pipe leakage check clamping tool |
| CN204330249U (en) * | 2014-12-29 | 2015-05-13 | 光隆精密工业（福州）有限公司 | Exhaust pipe of engine airtight detecting apparatus |
| CN105334007A (en) * | 2015-11-21 | 2016-02-17 | 重庆平波机械有限公司 | Clamp capable of realizing workpiece press-fitting and airtightness detection |
| CN208621250U (en) * | 2018-08-16 | 2019-03-19 | 重庆秦川世钟汽车配件有限公司 | A kind of movable multipurpose leak detector |
| CN209280241U (en) * | 2019-01-20 | 2019-08-20 | 长春一汽富晟德尔汽车部件有限公司 | It is a kind of to realize automatic test device for air tightness |
| CN210243116U (en) * | 2019-09-03 | 2020-04-03 | 长春近江汽车零部件有限公司 | Airtightness detection equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113560958A (en) * | 2021-07-26 | 2021-10-29 | 厦门东卓工贸有限公司 | Valve body processing equipment and processing technology of valve faucet |
| CN113776749A (en) * | 2021-08-12 | 2021-12-10 | 祥博传热科技股份有限公司 | Pressure measuring equipment of phase-change cooling heat exchanger |
| CN113776749B (en) * | 2021-08-12 | 2023-10-20 | 祥博传热科技股份有限公司 | Phase-change type cooling heat exchanger pressure measuring equipment |
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