CN109765006A - A kind of air-tightness detection device - Google Patents
A kind of air-tightness detection device Download PDFInfo
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- CN109765006A CN109765006A CN201910211922.XA CN201910211922A CN109765006A CN 109765006 A CN109765006 A CN 109765006A CN 201910211922 A CN201910211922 A CN 201910211922A CN 109765006 A CN109765006 A CN 109765006A
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 37
- 238000009423 ventilation Methods 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of air-tightness detection devices, including rack, the rack is equipped with test bench, the test bench is equipped with venthole, the ventilation end of workpiece for measurement is fitted closely with the test bench, it is additionally provided with the plugging device for blocking the venthole of the workpiece for measurement in the rack, is additionally provided in the rack and workpiece for measurement is pressed on the pressing device that the test bench guarantees that ventilation end and the test bench fit closely；Workpiece to be tested is pressed on test bench by pressing device, plugging device blocks the venthole of workpiece for measurement, and realization and external sealing, are passed through gas to workpiece for measurement by venthole inside such workpiece for measurement, gas leakage is detected the presence of by leakage detection apparatus, completes detection.
Description
Technical field
The present invention relates to a kind of air-tightness detection devices.
Background technique
When carrying out air-leakage test in the prior art, for different workpiece, need to set using different air-leakage tests
Standby, the versatility of air tightness detection equipment is poor, and when progress workpiece for measurement clamping, needs to carry out the adjustment of fixture, so as to
The reliable clamping for realizing workpiece for measurement, brings operational inconvenience to air tightness test.
Summary of the invention
In order to make up the above deficiency, air-leakage test efficiency can be effectively improved the present invention provides a kind of, it is easy to operate can
The air-tightness detection device leaned on.
The technical scheme is that a kind of air-tightness detection device, including rack, the rack are equipped with test bench,
The test bench is equipped with venthole, and ventilation end and the test bench of workpiece for measurement are fitted closely, be additionally provided in the rack
The plugging device of the venthole of the workpiece for measurement is blocked, is additionally provided in the rack and workpiece for measurement is pressed on the test bench
Guarantee the pressing device that ventilation end and the test bench fit closely.
The pressing device includes lifter plate as a preferred technical solution, is equipped on the lifter plate and is pressed on institute
The hold-down head on workpiece for measurement upper surface is stated, the lifting driving gas for driving the lifter plate to move up and down is installed in the rack
Cylinder.
The venthole plugging device includes blocking cylinder as a preferred technical solution, the piston for blocking cylinder
The block head got lodged on the venthole is fixedly installed on bar.
It is fixedly installed on the test bench positioned at the test bench and the workpiece for measurement as a preferred technical solution,
Ventilation end between gasket.
The opposite both sides of the lifter plate are equipped with guide pad as a preferred technical solution, distinguish on the guide pad
The guide groove being located at below the lifter plate being oppositely arranged is offered, is movably installed with pressure plate between two guide grooves,
The pressure plate is equipped with pilot hole, and tight lifting pin is movably installed in the pilot hole, and the lifter plate is equipped with and the top
The tightly limiting through hole of pin cooperation is equipped with so that the tight lifting pin heads into the limit and leads between the tight lifting pin and the pilot hole
Support spring in hole, the lifter plate are equipped with pressing plate, are equipped between the pressing plate and the lifter plate and push driving mechanism,
The pressing plate is equipped with the hold-down column cooperated with the limiting through hole, and the diameter of the hold-down column is less than the straight of the limiting through hole
Diameter, the hold-down head are mounted on the pressure plate.
The pushing driving mechanism includes cylinder as a preferred technical solution, and the cylinder body of the cylinder is fixedly mounted on
On the lifter plate, the piston rod of the cylinder is fixedly installed with pull rod, and the lower end of the pull rod is fixedly mounted on the pressing plate
On.
The hold-down head includes the guide cylinder being mounted on the pressure plate, the guiding as a preferred technical solution,
Pressure head can be equipped with along the compression bar that guide cylinder moves up and down, the lower end of the compression bar by being cased in cylinder, and upper end is cased with outside the compression bar
It is against the guide cylinder and lower end is against buffer spring on the pressure head.
By adopting the above-described technical solution, a kind of air-tightness detection device, including rack, the rack are equipped with test
Seat, the test bench are equipped with venthole, and ventilation end and the test bench of workpiece for measurement are fitted closely, also set in the rack
There is the plugging device for the venthole for blocking the workpiece for measurement, is additionally provided in the rack and workpiece for measurement is pressed on the test
Seat guarantees the pressing device that ventilation end and the test bench fit closely；Workpiece to be tested is pressed on test bench by pressing device
On, plugging device blocks the venthole of workpiece for measurement, realized inside such workpiece for measurement with external sealing, by venthole to
Workpiece for measurement is passed through gas, detects the presence of gas leakage by leakage detection apparatus, completes detection.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the partial enlarged view in Fig. 1 at I；
Fig. 3 is the partial enlarged view in Fig. 2 at II.
Specific embodiment
As shown in Figure 1 to Figure 3, a kind of air-tightness detection device, including rack 1, the rack 1 are equipped with test bench 2, institute
Test bench 2 is stated equipped with venthole, the ventilation end of workpiece for measurement 3 fits closely with the test bench 2, also sets in the rack 1
There is the plugging device for the venthole 4 for blocking the workpiece for measurement, is additionally provided in the rack 1 and workpiece for measurement is pressed on the survey
Examination seat 2 guarantees the pressing device that ventilation end and the test bench fit closely.Workpiece to be tested is pressed on test by pressing device
On seat 2, plugging device blocks the venthole of workpiece for measurement, and realization and external sealing, pass through ventilation inside such workpiece for measurement
Hole is passed through gas to workpiece for measurement, detects the presence of gas leakage by leakage detection apparatus, completes detection.
As depicted in figs. 1 and 2, the pressing device includes lifter plate 5, is equipped with described in being pressed on the lifter plate 5
Hold-down head on 3 upper surface of workpiece for measurement is equipped with the lifting driving gas for driving the lifter plate to move up and down in the rack
Cylinder 25.Lifting driving cylinder drives lifter plate to move downward so that hold-down head is pressed on the upper surface of the workpiece for measurement.
As shown in Figure 1, the venthole plugging device includes blocking cylinder 6, it is fixed on the piston rod for blocking cylinder 6
The block head 7 got lodged on the venthole is installed.It blocks cylinder driving block head to block on venthole, realize to venthole
Sealing.
As shown in Figure 1, being fixedly installed with the ventilation positioned at the test bench 2 and the workpiece for measurement 3 on the test bench 2
Gasket 8 between end.In order to guarantee the sealed connection between test bench and workpiece for measurement, it is provided with the gasket, it is described
Gasket is elastic sealing gasket.
As shown in Figure 1, Figure 2 and Figure 3, the opposite both sides of the lifter plate 5 are equipped with guide pad 9, divide on the guide pad 9
The guide groove 10 being located at below the lifter plate being oppositely arranged is not offered, is movably installed with pressure between two guide grooves 10
Tight plate 12, the pressure plate 12 are equipped with pilot hole 13, are movably installed with tight lifting pin 14, the lifter plate in the pilot hole 13
5 are equipped with the limiting through hole 15 that cooperate with the tight lifting pin 14, between the tight lifting pin 14 and the pilot hole 13 equipped with so that
The tight lifting pin 14 heads into the support spring 16 in the limiting through hole 15, and the lifter plate 5 is equipped with pressing plate 17, the pressing plate
It is equipped between 17 and the lifter plate 5 and pushes driving mechanism, the pressing plate 17 is equipped with the pressure cooperated with the limiting through hole 15
Tight column 18, the diameter of the hold-down column 18 are less than the diameter of the limiting through hole 15, and the hold-down head is mounted on the pressure plate
On 12.The inner wall of the pilot hole is equipped with annular guide groove 26 in the present embodiment, and the tight lifting pin is equipped with and the annular
The baffle ring 27 of guide groove cooperation, the support spring 16 are located in the annular guide groove 26, and the upper end of the support spring is supported
In the lower surface of the baffle ring.The setting of guide groove allows pressure plate mobile relative to guide groove, so as to compression
Plate is replaced, and tight lifting pin is inserted into limiting through hole, can stop pressure plate relative to the movement of guide groove in this way, so that pressure
Tight plate is fixed relative to lifting Board position.
As shown in Figure 1, the pushing driving mechanism includes cylinder 19, the cylinder body of the cylinder 19 is fixedly mounted on the liter
It drops on plate 5, the piston rod of the cylinder is fixedly installed with pull rod 20, and the lower end of the pull rod 20 is fixedly mounted on the pressing plate 17
On.Cylinder band dynamic pressure plate moves down, to drive hold-down column to push tight lifting pin, so that tight lifting pin is not inserted into limiting through hole
Interior, such tight lifting pin no longer stops pressure plate relative to the movement of guide groove, can extract pressure plate from guide groove out in this way, from
And the replacement of pressure plate may be implemented, in this way be directed to different workpieces for measurement, can by way of replacing pressure plate so that
The position of hold-down head and quantity can more be matched with workpiece for measurement.
As shown in Fig. 2, the hold-down head includes the guide cylinder 21 being mounted on the pressure plate, 21 inner sleeve of guide cylinder
Pressure head 23 can be equipped with along the compression bar 22 that guide cylinder moves up and down, the lower end of the compression bar 22 by having, and be cased with outside the compression bar 22
End is against the guide cylinder 21 and lower end is against the buffer spring 24 on the pressure head 23, in the present embodiment, the pressure head
The outer diameter of the compression bar is all larger than with the outer diameter of the guide cylinder, after such buffer spring covers on the compression bar, buffer spring
Lower end act on pressure head upper surface, the upper end of buffer spring acts on the lower surface of guide cylinder, due to hold-down head and work to be measured
The height and position of the contact point of part is different, and ensure that each hold-down head using such structure can generate to workpiece for measurement
Effective pressure, compression bar can be moved up and down relative to guide cylinder, and buffer spring can descend moulded rod by compressed elastic force, so that
Pressure head is pressed on workpiece for measurement.
The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of air-tightness detection device, which is characterized in that including rack, the rack is equipped with test bench, the test bench
Be equipped with venthole, ventilation end and the test bench of workpiece for measurement fit closely, be additionally provided in the rack described in closure to
The plugging device of the venthole of workpiece is surveyed, is additionally provided in the rack and workpiece for measurement is pressed on the test bench guarantee ventilation end
The pressing device fitted closely with the test bench.
2. air-tightness detection device as described in claim 1, which is characterized in that the pressing device includes lifter plate, described
The hold-down head being pressed on the workpiece for measurement upper surface is installed on lifter plate, is equipped in the rack and drives the lifting
The lifting that plate moves up and down drives cylinder.
3. air-tightness detection device as described in claim 1, which is characterized in that the venthole plugging device includes blocking gas
Cylinder, it is described block cylinder piston rod on be fixedly installed with the block head got lodged on the venthole.
4. air-tightness detection device as described in claim 1, which is characterized in that be fixedly installed on the test bench positioned at institute
State the gasket between test bench and the ventilation end of the workpiece for measurement.
5. air-tightness detection device as claimed in claim 2, which is characterized in that the opposite both sides of the lifter plate are equipped with and lead
To block, the guide groove being located at below the lifter plate being oppositely arranged, two guide grooves are offered on the guide pad respectively
Between be movably installed with pressure plate, the pressure plate is equipped with pilot hole, is movably installed with tight lifting pin in the pilot hole, described
Lifter plate is equipped with the limiting through hole cooperated with the tight lifting pin, is equipped between the tight lifting pin and the pilot hole so that described
Tight lifting pin heads into the support spring in the limiting through hole, and the lifter plate is equipped with pressing plate, the pressing plate and the lifter plate
Between be equipped with and push driving mechanism, the pressing plate is equipped with the hold-down column that cooperates with the limiting through hole, the hold-down column it is straight
Diameter is less than the diameter of the limiting through hole, and the hold-down head is mounted on the pressure plate.
6. air-tightness detection device as claimed in claim 5, which is characterized in that the pushing driving mechanism includes cylinder, institute
The cylinder body for stating cylinder is fixedly mounted on the lifter plate, and the piston rod of the cylinder is fixedly installed with pull rod, the pull rod
Lower end is fixedly mounted on the pressing plate.
7. air-tightness detection device as claimed in claim 5, which is characterized in that the hold-down head includes being mounted on the compression
Guide cylinder on plate is cased with and can be equipped with pressure along the compression bar that guide cylinder moves up and down, the lower end of the compression bar in the guide cylinder
Head, is cased with that upper end is against the guide cylinder and lower end is against buffer spring on the pressure head outside the compression bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211922.XA CN109765006A (en) | 2019-03-20 | 2019-03-20 | A kind of air-tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211922.XA CN109765006A (en) | 2019-03-20 | 2019-03-20 | A kind of air-tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109765006A true CN109765006A (en) | 2019-05-17 |
Family
ID=66459304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910211922.XA Pending CN109765006A (en) | 2019-03-20 | 2019-03-20 | A kind of air-tightness detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109765006A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398770A (en) * | 2020-04-14 | 2020-07-10 | 西安易恩电气科技有限公司 | Power semiconductor device testing tool with protection structure |
| CN111398771A (en) * | 2020-04-14 | 2020-07-10 | 西安易恩电气科技有限公司 | Push-pull power semiconductor device test fixture |
| CN111780923A (en) * | 2020-06-30 | 2020-10-16 | 昆山科森智能装备有限公司 | High-precision detection device for formed part |
| CN112901776A (en) * | 2021-01-15 | 2021-06-04 | 创力高机电(深圳)有限公司 | Workpiece air tightness detection device |
| CN114166437A (en) * | 2021-12-03 | 2022-03-11 | 成都秦川物联网科技股份有限公司 | Electromechanical valve tightness detection device and method suitable for intelligent manufacturing of Internet of things |
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| CN203385523U (en) * | 2013-08-21 | 2014-01-08 | 山东新安凯动力科技有限公司 | Shell leakage-checking pressure-testing inspection apparatus |
| CN205919928U (en) * | 2016-05-26 | 2017-02-01 | 庆铃汽车（集团）有限公司 | Gas tightness detection device suitable for aluminium alloy casting |
| CN106840528A (en) * | 2016-12-28 | 2017-06-13 | 宁波考比锐特汽车科技有限公司 | A kind of housing air tightness test platform |
| CN207439621U (en) * | 2017-06-27 | 2018-06-01 | 无锡科隆试验设备有限公司 | A kind of air-tightness detection device of Automobile flywheel shell |
| CN208214734U (en) * | 2018-04-24 | 2018-12-11 | 广东鸿图武汉压铸有限公司 | A kind of press fitting of pack alloy and leak test unit equipment |
| CN109060277A (en) * | 2018-09-01 | 2018-12-21 | 盛瑞传动股份有限公司 | A kind of airtight test machine |
| CN209673297U (en) * | 2019-03-20 | 2019-11-22 | 盛瑞传动股份有限公司 | A kind of air-tightness detection device |
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Patent Citations (7)
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|---|---|---|---|---|
| CN203385523U (en) * | 2013-08-21 | 2014-01-08 | 山东新安凯动力科技有限公司 | Shell leakage-checking pressure-testing inspection apparatus |
| CN205919928U (en) * | 2016-05-26 | 2017-02-01 | 庆铃汽车（集团）有限公司 | Gas tightness detection device suitable for aluminium alloy casting |
| CN106840528A (en) * | 2016-12-28 | 2017-06-13 | 宁波考比锐特汽车科技有限公司 | A kind of housing air tightness test platform |
| CN207439621U (en) * | 2017-06-27 | 2018-06-01 | 无锡科隆试验设备有限公司 | A kind of air-tightness detection device of Automobile flywheel shell |
| CN208214734U (en) * | 2018-04-24 | 2018-12-11 | 广东鸿图武汉压铸有限公司 | A kind of press fitting of pack alloy and leak test unit equipment |
| CN109060277A (en) * | 2018-09-01 | 2018-12-21 | 盛瑞传动股份有限公司 | A kind of airtight test machine |
| CN209673297U (en) * | 2019-03-20 | 2019-11-22 | 盛瑞传动股份有限公司 | A kind of air-tightness detection device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398770A (en) * | 2020-04-14 | 2020-07-10 | 西安易恩电气科技有限公司 | Power semiconductor device testing tool with protection structure |
| CN111398771A (en) * | 2020-04-14 | 2020-07-10 | 西安易恩电气科技有限公司 | Push-pull power semiconductor device test fixture |
| CN111780923A (en) * | 2020-06-30 | 2020-10-16 | 昆山科森智能装备有限公司 | High-precision detection device for formed part |
| CN112901776A (en) * | 2021-01-15 | 2021-06-04 | 创力高机电(深圳)有限公司 | Workpiece air tightness detection device |
| CN114166437A (en) * | 2021-12-03 | 2022-03-11 | 成都秦川物联网科技股份有限公司 | Electromechanical valve tightness detection device and method suitable for intelligent manufacturing of Internet of things |
| CN114166437B (en) * | 2021-12-03 | 2023-06-27 | 成都秦川物联网科技股份有限公司 | Electromechanical valve tightness detection equipment and method suitable for intelligent manufacturing of Internet of things |
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