CN107449593B - 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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- CN107449593B CN107449593B CN201610374585.2A CN201610374585A CN107449593B CN 107449593 B CN107449593 B CN 107449593B CN 201610374585 A CN201610374585 A CN 201610374585A CN 107449593 B CN107449593 B CN 107449593B
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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, the test branch includes sequentially connected intake valve, pressure switch, exhaust valve, single action extrusion type cylinder, magnetic switch, needle tubing, vacuum cylinder, detection piece placing groove and the high-precision pressure gauge for being set to needle tubing outlet side, and one-way exhaust valve to be measured is placed in detection piece placing groove and is 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, especially a kind of automatic venting quality device for testing one-way exhaust valve and side
Method.
Background technique
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 will remain in bag
Air discharge, while can prevent outside air from entering.In packaging industry, need to carry out 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.
Summary of the invention
The purpose of the present invention is to provide a kind of automatic venting quality device and methods for testing one-way exhaust valve, pass through the dress
Set the test purpose that venting quality can be automatically completed with method.
A kind of automatic venting quality device for testing one-way exhaust valve, including controller, proportioning valve and test branch, it is described
Testing branch includes intake valve, pressure switch, exhaust valve, single action extrusion type cylinder, magnetic switch, needle tubing, vacuum cylinder, detection
Part placing groove.Proportioning valve is set to the section start of gas circuit, for controlling the admission pressure of gas circuit；Intake valve is set to proportioning valve and goes out
Gas end, for controlling the entrance of gas；Pressure switch is set to intake valve outlet side, for monitoring whether gas pressure reaches survey
Calibration is quasi-；Exhaust valve is set to pressure switch outlet side, for controlling the output pressure of gas；Single action extrusion type cylinder is set to
Exhaust valve outlet side pushes needle tubing under the control of exhaust valve output gas；Magnetic switch is set on single action extrusion type cylinder,
The time that magnetic switch is consumed as node, for obtaining initial position to the node；Needle tubing is set to single action extrusion type cylinder
Outlet side excludes the gas being stored in needle tubing under the promotion of single action extrusion type cylinder；High-precision pressure gauge is set to needle tubing
Outlet side excludes the pressure of gas for obtaining needle tubing；Vacuum cylinder is set to needle tubing outlet side, for compressing unidirectional row to be measured
Air valve；Detection piece placing groove is for carrying one-way exhaust valve to be measured；Controller is for the control of test and the storage of data.
As a kind of improvement of above-mentioned apparatus, the described device includes several test branches, each test branch by than
The admission pressure of example valve control gas circuit.
It further include display screen as a kind of improvement of above-mentioned apparatus, the 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 being completed in two of them stage, is identical, and the unofficial test phase is used for pressure stabilizing prior to the official testing stage
Journey, exhaust valve and single action extrusion type cylinder are vacuum when unofficial test starts, and pressure stabilizing process makes gas 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 exhaust valve；
Apparatus for initializing closes all valve bodies, and 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 and opens certain aperture according to preset value, and controller opens intake valve, to intake valve and row
When pressure between air valve reaches test value, pressure switch feeds back to one switching value of controller, closes intake valve；
Controller opens exhaust 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 saved；
Restore initial position.
As a kind of improvement of the above method, the official testing step cycle is several times averaged the time of measurement
Value.
It further include the qualified or not process for monitoring one-way exhaust valve to be measured, specifically as a kind of improvement of the above method
Are as follows: several test branches are set, wherein standard one-way exhaust valve is set under the vacuum cylinder of a test branch, it is same to test branch
The testing time of Shi Jinhang test, 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 pre-set threshold range of front and back, then one-way exhaust valve to be measured is qualified, otherwise unqualified.
The invention will be further described with reference to the accompanying drawings of the specification.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the present invention for the automatic exhaust system safety testing device of one-way exhaust valve.
Specific embodiment
As shown in Figure 1, automatic venting quality of the present invention for one-way exhaust valve is tested, which includes proportioning valve 1, air inlet
Valve 2, pressure switch 3, exhaust valve 4, single action extrusion type cylinder 5, magnetic switch 6, needle tubing 7, high-precision pressure gauge 8, vacuum cylinder
9, detection piece placing groove 11.The beginning of gas circuit is arranged in proportioning valve 1, for controlling the admission pressure size of gas circuit, intake valve 2
It is arranged between proportioning valve 1 and exhaust valve 4, controls the entrance of detection gas.Pressure switch 3 is arranged in intake valve 2 and exhaust valve 4
Between, whether reach measurement standard for detection gas.Exhaust valve 4 is arranged before 5 cylinder of single action extrusion type, for detecting gas
Body controls the promotion of single action extrusion type cylinder.Single action extrusion type cylinder is arranged between exhaust valve 4 and needle tubing 7, realizes to needle
The impetus of pipe.Magnetic switch 6 is arranged on single action extrusion type cylinder 5, and for node to be arranged, controller can obtain initial bit
Set the time of node consumption.Vacuum cylinder 9 is arranged after needle tubing, for compressing one-way exhaust valve to be measured.
The described device includes several test branches, and each test branch is controlled the admission pressure of gas circuit by proportioning valve 1.
Multi-channel test branch can determine whether one-way exhaust valve 10 to be measured is qualified by comparison, specifically: wherein one test branch
The lower setting standard one-way exhaust valve of vacuum cylinder 9, tests test branch, the testing time of standard one-way exhaust valve simultaneously
For the standard time, if a pre-set threshold range 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) controlling proportioning valve 1, intake valve 2, pressure switch 3, exhaust valve 4 and open
It closes；(2) record moves 5 piston of extrusion type cylinder and moves to the time from magnetic switch 6 from the top；(3) one is surveyed
The time that examination branch repeatedly measures is averaged.
It further include display screen, the data and input data for display controller storage.
A kind of automatic venting quality method for testing one-way exhaust valve, specifically includes the following steps: before the present invention starts to work,
The device number that intake pressure size can be arranged on the touchscreen and work at the same time by operator, manually by one-way exhaust valve 10 to be measured
It is put into detection piece placing groove 11, apparatus for initializing closes all valve bodies, and 5 piston of single action extrusion type cylinder is placed in the top, needle tubing
7 pintles are placed in the top, and 9 piston of vacuum cylinder compresses the start button that one-way exhaust valve 10 to be measured is pressed on touch screen and can open
Beginning work.Unofficial test phase is initially entered, drives away inner air and reaches standard test environment, unofficial surveyed time in stage
By the sum of voltage stabling control and testing time, pressure stabilizing process is completed in unofficial test phase, exhaust valve 4 when unofficial test starts
It is vacuum with single action extrusion type cylinder 5, pressure stabilizing process makes gas full of the vacuum area.Proportioning valve 1 opens one according to preset value
Determine aperture, open simultaneously intake valve 2, when the pressure between intake valve 2 and exhaust valve 4 reaches test value, pressure switch 3 is fed back
It gives controller one switching value, closes intake valve 2.Vacuum cylinder 9 acts simultaneously, compresses one-way exhaust valve to be measured.After the completion of compression
Open exhaust valve 4.Then single action extrusion type cylinder 5 starts to act, and the gas in needle tubing 7 is discharged, while inside controller
1ms timer starts timing, until single action extrusion type cylinder 5 moves to stopping timing, the time that will be measured at magnetic switch 6
Value is saved and is shown on the touchscreen.After the completion of primary unofficial test detection, exhaust valve 4, single action extrusion type are closed
Cylinder 5 return to initial position after be again turned on exhaust valve 4 start carry out official testing, obtain the time of first time official testing
Value successively tests (testing time can be set by touch screen), until last time turns off exhaust valve 4 after the completion of testing, ratio
The value of valve is set as 0.Meanwhile the time value repeatedly measured is done handling averagely by controller, obtains one-way exhaust valve to be measured
Venting quality test result, test device stop working.
The present invention is provided with 3 groups of identical test branches, can carry out under the same conditions to standard component with part to be measured simultaneously
Test, can intuitively show test result between the two on the touchscreen, determine whether part to be measured is qualified, specifically: setting
Several test branches, wherein the lower setting standard one-way exhaust valve of the vacuum cylinder 9 of a test branch, carries out test branch simultaneously
The testing time of test, 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 front and back a pre-set threshold range in, then one-way exhaust valve to be measured 10 is qualified, otherwise unqualified.
Claims (6)
1. it is a kind of test one-way exhaust valve automatic venting quality device, which is characterized in that including controller, proportioning valve (1) and
Branch is tested, the test branch includes intake valve (2), pressure switch (3), exhaust 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 placing groove (11)；
Proportioning valve (1) is set to the section start of gas circuit, for controlling the admission pressure of gas circuit,
Intake valve (2) is set to proportioning valve (1) outlet side, for controlling the entrance of gas,
Pressure switch (3) is set to intake valve (2) outlet side, for monitoring whether gas pressure reaches measurement standard,
Exhaust valve (4) is set to pressure switch (3) outlet side, for controlling the output pressure of gas,
Single action extrusion type cylinder (5) is set to exhaust valve (4) outlet side, pushes needle under the control of exhaust valve (4) output gas
It manages (7),
Magnetic switch (6) is set 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 set to single action extrusion type cylinder (5) outlet side, will be stored in needle under single action extrusion type cylinder (5) promotion
The gas managed in (7) excludes,
High-precision pressure gauge (8) is set to needle tubing (7) outlet side, and the pressure of gas is excluded for obtaining needle tubing (7),
Vacuum cylinder (9) is set to needle tubing (7) outlet side, for compressing one-way exhaust valve to be measured (10),
Detection piece placing groove (11) is used to carry one-way exhaust valve to be measured (10),
Controller control for testing device and the storage of data.
2. the apparatus according to claim 1, which is characterized in that the described device includes several test branches, each test
Branch controls admission pressure by proportioning valve (1).
3. device according to claim 1 or 2, which is characterized in that further include display screen, for display controller storage
Data and input data.
4. a kind of automatic venting quality method of the test one-way exhaust valve using claim 1 described device, which is characterized in that packet
Unofficial test phase and official testing stage are included, the step of being completed in two of them stage is identical, the unofficial test
Stage, the unofficial stage was for pressure stabilizing exhaust valve (4) and 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 exhaust valve (4)；
Apparatus for initializing closes all valve bodies, and 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 controls proportioning valve (1) and opens certain aperture according to preset value, and controller opens intake valve (2), to intake valve (2)
When pressure between exhaust valve (4) reaches test value, pressure switch (3) feeds back to one switching value of controller, closes intake valve
(2)；
Controller opens exhaust 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 stopping timing at magnetic switch (6), will measure
Time value save；
Restore initial position.
5. according to the method described in claim 4, it is characterized in that, the official testing step cycle is several times by controller pair
The time of measurement is averaged.
6. method according to claim 4 or 5, which is characterized in that further include the conjunction for monitoring one-way exhaust valve to be measured (10)
Process whether lattice, specifically: several test branches are set, wherein standard list is arranged under the vacuum cylinder (9) of a test branch
To exhaust valve, test branch is tested simultaneously, the testing time of standard one-way exhaust valve is the standard time, if to be measured unidirectional
In a pre-set threshold range of the testing time of exhaust valve (10) before and after the standard time, then one-way exhaust valve to be measured
(10) 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 |
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| Publication Number | Publication Date |
|---|---|
| CN107449593A CN107449593A (en) | 2017-12-08 |
| CN107449593B true CN107449593B (en) | 2019-07-12 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| 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 |
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 |
-
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 |
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| CN107449593A (en) | 2017-12-08 |
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