CN107449593A - A kind of automatic venting quality device and method for testing one-way exhaust valve - Google Patents
A kind of automatic venting quality device and method for testing one-way exhaust valve Download PDFInfo
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- CN107449593A CN107449593A CN201610374585.2A CN201610374585A CN107449593A CN 107449593 A CN107449593 A CN 107449593A CN 201610374585 A CN201610374585 A CN 201610374585A CN 107449593 A CN107449593 A CN 107449593A
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- valve
- way exhaust
- test
- exhaust valve
- air bleeding
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The present invention provides a kind of automatic venting quality device for testing one-way exhaust valve, including controller, proportioning valve and test branch road, the test branch road includes intake valve, pressure switch, air bleeding valve, single action extrusion type cylinder, magnetic switch, needle tubing, vacuum cylinder, detection piece standing groove and the high-precision pressure gauge for being arranged at needle tubing outlet side being sequentially connected, and one-way exhaust valve to be measured is placed in detection piece standing groove and fixed by vacuum cylinder.The present invention is automatically discharged the gas in needle tubing by one-way exhaust valve by the pressure of gas, and the qualification rate of one-way exhaust valve is monitored with this.
Description
Technical field
The present invention relates to a kind of measuring technology, particularly a kind of automatic venting quality device for testing one-way exhaust valve and side
Method.
Background technology
One-way exhaust valve is a kind of plastics air valve that only one side can be vented, and being often installed in packaging bag to remain in bag
Air discharge, while can prevent outside air from entering.In packaging industry, it is necessary to be carried out to the exhaust performance of one-way exhaust valve
Test, to prevent packaging bag bale broken phenomenon.It is less to the technology of one-way exhaust valve exhaust performance test both at home and abroad, not
Unified test system is formed, is all to design targetedly scheme according to the exhaust performance of itself needs.
The content of the invention
It is an object of the invention to provide a kind of automatic venting quality device and method for testing one-way exhaust valve, pass through the dress
The test purpose of venting quality can automatically be completed with method by putting.
A kind of automatic venting quality device for testing one-way exhaust valve, including controller, proportioning valve and test branch road, it is described
Testing branch road includes intake valve, pressure switch, air bleeding valve, single action extrusion type cylinder, magnetic switch, needle tubing, vacuum cylinder, detection
Part standing groove.Proportioning valve is arranged at the section start of gas circuit, for controlling the admission pressure of gas circuit；Intake valve is arranged at proportioning valve and gone out
Gas end, for controlling the entrance of gas；Pressure switch is arranged at intake valve outlet side, for monitoring whether gas pressure reaches survey
Calibration is accurate；Air bleeding valve is arranged at pressure switch outlet side, for controlling the output pressure of gas；Single action extrusion type cylinder is arranged at
Air bleeding valve outlet side, needle tubing is promoted under the control of air bleeding valve output gas；Magnetic switch is arranged on single action extrusion type cylinder,
Magnetic switch is as node, the time consumed for obtaining initial position to the node；Needle tubing is arranged at single action extrusion type cylinder
Outlet side, the gas that be would be stored under the promotion of single action extrusion type cylinder in needle tubing exclude；High-precision pressure gauge is arranged at needle tubing
Outlet side, the pressure of gas is excluded for obtaining needle tubing；Vacuum cylinder is arranged at needle tubing outlet side, for compressing unidirectional row to be measured
Air valve；Detection piece standing groove is used to carry one-way exhaust valve to be measured；Controller is used for the storage for the control and data tested.
One kind as said apparatus is improved, and the described device includes some test branch roads, it is each test branch road by than
The admission pressure of example valve control gas circuit.
One kind as said apparatus is improved, in addition to display screen, data and input for display controller storage
Data.
A kind of automatic venting quality method for testing one-way exhaust valve, including unofficial test phase and official testing stage,
The step of two of which stage to be completed is identical, and the unofficial test phase is prior to the official testing stage, for voltage stabilizing
Journey, air bleeding valve and single action extrusion type cylinder are vacuum when unofficial test starts, and voltage stabilizing process makes gas be full of the vacuum area.
The step includes：
The preset value of Set scale valve opening, the test value of pressure between intake valve and air bleeding valve；
Apparatus for initializing, all valve bodies are closed, single action extrusion type cylinder piston is placed in the top, and needle tubing pintle is placed in most upper
Side, vacuum cylinder piston compress one-way exhaust valve to be measured；
Controller controls proportioning valve to open certain aperture according to preset value, and controller opens intake valve, treats intake valve and row
When pressure between air valve reaches test value, pressure switch feeds back to the switching value of controller one, closes intake valve；
Controller opens air bleeding valve, and then single action extrusion type cylinder starts to act, and the gas in needle tubing is discharged, same to time control
Device processed starts timing, until single action extrusion type cylinder moving stops timing at magnetic switch, the time value measured is preserved；
Recover initial position.
One kind as the above method is improved, and the official testing step cycle is averaged to the time of measurement several times
Value.
One kind as the above method is improved, and includes the whether qualified process of monitoring one-way exhaust valve to be measured, specifically
For：Some test branch roads are set, wherein standard one-way exhaust valve is set under the vacuum cylinder of a test branch road, it is same to test branch road
Shi Jinhang is tested, and the testing time of standard one-way exhaust valve is the standard time, if the testing time of one-way exhaust valve to be measured is marking
Between punctual in a front and rear threshold range pre-set, then one-way exhaust valve to be measured is qualified, otherwise unqualified.
With reference to Figure of description, the invention will be further described.
Brief description of the drawings
Fig. 1 is the structural representation for the automatic exhaust system safety testing device that the present invention is used for one-way exhaust valve.
Embodiment
As shown in figure 1, the automatic venting quality that the present invention is used for one-way exhaust valve is tested, the device includes proportioning valve 1, air inlet
Valve 2, pressure switch 3, air bleeding valve 4, single action extrusion type cylinder 5, magnetic switch 6, needle tubing 7, high-precision pressure gauge 8, vacuum are special
Cylinder 9, detection piece standing groove 11.Proportioning valve 1 is arranged on the beginning of gas circuit, for controlling the admission pressure size of gas circuit, enters
Air valve 2 is arranged between proportioning valve 1 and air bleeding valve 4, controls the entrance of detection gas.Pressure switch 3 is arranged on intake valve 2 and row
Between air valve 4, whether reach bioassay standard for detection gas.Air bleeding valve 4 is arranged on before the cylinder of single action extrusion type 5, is used for
Promotion control of the detection gas to single action extrusion type cylinder.Single action extrusion type cylinder is arranged between air bleeding valve 4 and needle tubing 7, real
Now to the impetus of needle tubing.Magnetic switch 6 is arranged on single action extrusion type cylinder 5, and for setting node, controller can obtain
The time that initial position consumes to the node.Vacuum Special cylinder 9 is arranged on after needle tubing, for compressing one-way exhaust to be measured
Valve.
The described device includes some test branch roads, and each test branch road controls the admission pressure of gas circuit by proportioning valve 1.
Multi-channel test branch road can determine whether one-way exhaust valve 10 to be measured is qualified by contrasting, and be specially：Wherein one test branch road
9 times setting standard one-way exhaust valves of vacuum cylinder, test branch road is tested simultaneously, the testing time of standard one-way exhaust valve
For the standard time, if the threshold range that pre-sets of the testing time of one-way exhaust valve to be measured 10 before and after the standard time
Interior, then one-way exhaust valve 10 to be measured is qualified, otherwise unqualified.
Controller mainly completes following functions：(1) proportioning valve 1, intake valve 2, pressure switch 3, air bleeding valve 4 is controlled to open
Close；(2) record moves the time that the piston of extrusion type cylinder 5 is moved at magnetic switch 6 from the top；(3) one is surveyed
The time that examination branch road repeatedly measures averages.
Also include display screen, data and input data for display controller storage.
A kind of automatic venting quality method for testing one-way exhaust valve, specifically includes following steps：Before the present invention starts working,
Operating personnel can set air inlet air pressure size and the device number to work simultaneously on the touchscreen, and one-way exhaust valve 10 to be measured is manual
Detection piece standing groove 11 is put into, apparatus for initializing closes all valve bodies, and the piston of single action extrusion type cylinder 5 is placed in the top, needle tubing
7 pintles are placed in the top, and the piston of vacuum cylinder 9 compresses the start button that one-way exhaust valve 10 to be measured is pressed on touch-screen and can opened
Beginning work.Unofficial test phase is initially entered, drives away inner air and reaches standard test environment, the unofficial stage surveys the time
By voltage stabling control and testing time sum, voltage stabilizing process is completed in unofficial test phase, air bleeding valve 4 when unofficial test starts
It is vacuum with single action extrusion type cylinder 5, voltage stabilizing process makes gas be full of the vacuum area.Proportioning valve 1 opens one according to preset value
Determine aperture, while open intake valve 2, when the pressure between intake valve 2 and air bleeding valve 4 reaches test value, pressure switch 3 is fed back
The switching value of controller one is given, closes intake valve 2.Vacuum Special cylinder 9 acts simultaneously, compresses one-way exhaust valve to be measured.Compress
Into rear opening air bleeding valve 4.Then single action extrusion type cylinder 5 starts to act, and the gas in needle tubing 7 is discharged, while in controller
The 1ms timers in portion start timing, until single action extrusion type cylinder 5 moves to stopping timing at magnetic switch 6, by what is measured
Time value is preserved and shown on the touchscreen.Once after the completion of unofficial test detection, air bleeding valve 4, single action pressure are closed
Go out formula cylinder 5 and return to after initial position to be again turned on air bleeding valve 4 and proceed by official testing, obtain first time official testing
Time value, (testing time can be set by touch-screen) is tested successively, until last time turns off air bleeding valve 4 after the completion of testing,
The value of proportioning valve is arranged to 0.Meanwhile the time value repeatedly measured is done handling averagely by controller, one-way exhaust to be measured is obtained
The venting quality test result of valve, test device are stopped.
The present invention is provided with 3 groups of identicals and tests branch road, and standard component can be carried out under the same conditions with part to be measured simultaneously
Test, can intuitively show test result between the two on the touchscreen, judge whether part to be measured is qualified, be specially：Set
Some test branch roads, wherein 9 times setting standard one-way exhaust valves of vacuum cylinder of a test branch road, are carried out to test branch road simultaneously
Test, the testing time of standard one-way exhaust valve is the standard time, if the testing time of one-way exhaust valve to be measured 10 is in standard
Between in a front and rear threshold range pre-set, then one-way exhaust valve 10 to be measured is qualified, otherwise unqualified.
Claims (6)
1. it is a kind of test one-way exhaust valve automatic venting quality device, it is characterised in that including controller, proportioning valve (1) and
Branch road is tested, the test branch road includes intake valve (2), pressure switch (3), air bleeding valve (4), single action extrusion type cylinder (5), magnetic
Property switch (6), needle tubing (7), high-precision pressure gauge (8), vacuum cylinder (9), detection piece standing groove (11)；
Proportioning valve (1) is arranged at the section start of gas circuit, for controlling the admission pressure of gas circuit,
Intake valve (2) is arranged at proportioning valve (1) outlet side, for controlling the entrance of gas,
Pressure switch (3) is arranged at intake valve (2) outlet side, for monitoring whether gas pressure reaches bioassay standard,
Air bleeding valve (4) is arranged at pressure switch (3) outlet side, for controlling the output pressure of gas,
Single action extrusion type cylinder (5) is arranged at air bleeding valve (4) outlet side, and pin is promoted under the control of air bleeding valve (4) output gas
Manage (7),
Magnetic switch (6) is arranged on single action extrusion type cylinder (5), and magnetic switch (6) is used as node, for obtaining initial position
The time consumed to the node,
Needle tubing (7) is arranged at single action extrusion type cylinder (5) outlet side, and pin is would be stored under single action extrusion type cylinder (5) promotion
The gas managed in (7) excludes,
High-precision pressure gauge (8) is arranged at needle tubing (7) outlet side, and the pressure of gas is excluded for obtaining needle tubing (7),
Vacuum cylinder (9) is arranged at needle tubing (7) outlet side, for compressing one-way exhaust valve to be measured (10),
Detection piece standing groove (11) is used to carry one-way exhaust valve to be measured (10),
Controller is used for the control of test device and the storage of data.
2. device according to claim 1, it is characterised in that the described device includes some test branch roads, each test
Branch road controls admission pressure by proportioning valve (1).
3. device according to claim 1 or 2, it is characterised in that also including display screen, for display controller storage
Data and input data.
4. a kind of automatic venting quality method of test one-way exhaust valve using claim 1 described device, it is characterised in that bag
Unofficial test phase and official testing stage are included, the step of two of which stage to be completed is identical, the unofficial test
Stage, the unofficial stage was used for voltage stabilizing air bleeding valve (4) with single action extrusion type cylinder (5) by vacuum state prior to the official testing stage
Fill out gassy；
The step includes：
The preset value of Set scale valve (1) aperture, the test value of pressure between intake valve (2) and air bleeding valve (4)；
Apparatus for initializing, all valve bodies are closed, single action extrusion type cylinder (5) piston is placed in the top, and needle tubing (7) pintle is placed in most
Top, vacuum cylinder (9) piston compress one-way exhaust valve (10) to be measured；
Controller control proportioning valve (1) opens certain aperture according to preset value, and controller opens intake valve (2), treats intake valve (2)
When pressure between air bleeding valve (4) reaches test value, pressure switch (3) feeds back to the switching value of controller one, closes intake valve
(2)；
Controller opens air bleeding valve (4), and then single action extrusion type cylinder (5) starts to act, and the gas in needle tubing (7) is discharged,
Controller starts timing simultaneously, until single action extrusion type cylinder (5) moves to magnetic switch (6) place and stops timing, will measure
Time value preserve；
Recover initial position.
5. according to the method for claim 4, it is characterised in that the official testing step cycle is several times by controller pair
The time of measurement averages.
6. the method according to claim 4 or 5, it is characterised in that also include the conjunction for monitoring one-way exhaust valve (10) to be measured
Lattice whether process, it is specially：Some test branch roads are set, wherein setting standard list under the vacuum cylinder (9) of a test branch road
To air bleeding valve, test branch road is tested simultaneously, the testing time of standard one-way exhaust valve is the standard time, if to be measured unidirectional
In a threshold range pre-set of the testing time of air bleeding valve (10) before and after the standard time, then one-way exhaust valve to be measured
(10) it is qualified, it is otherwise unqualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374585.2A CN107449593B (en) | 2016-05-31 | 2016-05-31 | A kind of automatic venting quality device and method for testing one-way exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374585.2A CN107449593B (en) | 2016-05-31 | 2016-05-31 | A kind of automatic venting quality device and method for testing one-way exhaust valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107449593A true CN107449593A (en) | 2017-12-08 |
| CN107449593B CN107449593B (en) | 2019-07-12 |
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| CN201610374585.2A Active CN107449593B (en) | 2016-05-31 | 2016-05-31 | A kind of automatic venting quality device and method for testing one-way exhaust valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296828A (en) * | 2019-07-25 | 2019-10-01 | 冉正华 | Portable combined pressure relief valve monitor station and detection method |
| CN110426186A (en) * | 2019-06-23 | 2019-11-08 | 宁波中车时代电气设备有限公司 | A kind of butterfly valve automatic detection device and detection method |
| CN112924159A (en) * | 2019-12-06 | 2021-06-08 | 武汉航空仪表有限责任公司 | Device and method for testing comprehensive performance of dual-channel distribution valve |
| CN114383838A (en) * | 2022-01-24 | 2022-04-22 | 沈阳航天新光集团有限公司 | High-temperature steam test system |
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|---|---|---|---|---|
| JPH07181106A (en) * | 1993-12-22 | 1995-07-21 | Amano Kogyo Gijutsu Kenkyusho | Exhaust valve tester for engine |
| CN201909702U (en) * | 2010-11-17 | 2011-07-27 | 应杰 | Exhaust and sealing test device for exhaust valve |
| CN102147329A (en) * | 2011-01-12 | 2011-08-10 | 郑州市自来水总公司 | On-line detecting device for performance of exhaust valve |
| CN203432767U (en) * | 2013-09-04 | 2014-02-12 | 湖北华强科技有限责任公司 | A full-automatic expiratory valve reverse air impermeability detecting apparatus |
| CN105352725A (en) * | 2015-12-15 | 2016-02-24 | 天王电子（深圳）有限公司 | Diving watch automatic exhaust valve detection device |
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2016
- 2016-05-31 CN CN201610374585.2A patent/CN107449593B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07181106A (en) * | 1993-12-22 | 1995-07-21 | Amano Kogyo Gijutsu Kenkyusho | Exhaust valve tester for engine |
| CN201909702U (en) * | 2010-11-17 | 2011-07-27 | 应杰 | Exhaust and sealing test device for exhaust valve |
| CN102147329A (en) * | 2011-01-12 | 2011-08-10 | 郑州市自来水总公司 | On-line detecting device for performance of exhaust valve |
| CN203432767U (en) * | 2013-09-04 | 2014-02-12 | 湖北华强科技有限责任公司 | A full-automatic expiratory valve reverse air impermeability detecting apparatus |
| CN105352725A (en) * | 2015-12-15 | 2016-02-24 | 天王电子（深圳）有限公司 | Diving watch automatic exhaust valve detection device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426186A (en) * | 2019-06-23 | 2019-11-08 | 宁波中车时代电气设备有限公司 | A kind of butterfly valve automatic detection device and detection method |
| CN110296828A (en) * | 2019-07-25 | 2019-10-01 | 冉正华 | Portable combined pressure relief valve monitor station and detection method |
| CN112924159A (en) * | 2019-12-06 | 2021-06-08 | 武汉航空仪表有限责任公司 | Device and method for testing comprehensive performance of dual-channel distribution valve |
| CN112924159B (en) * | 2019-12-06 | 2023-08-04 | 武汉航空仪表有限责任公司 | Comprehensive performance testing device and method for double-channel distribution valve |
| CN114383838A (en) * | 2022-01-24 | 2022-04-22 | 沈阳航天新光集团有限公司 | High-temperature steam test system |
| CN114383838B (en) * | 2022-01-24 | 2024-04-09 | 沈阳航天新光集团有限公司 | High-temperature steam test system |
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| Publication number | Publication date |
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| CN107449593B (en) | 2019-07-12 |
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