CN110146236A - A kind of automobile oil filter air tightness test automation equipment and its test method - Google Patents
A kind of automobile oil filter air tightness test automation equipment and its test method Download PDFInfo
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- CN110146236A CN110146236A CN201910568399.6A CN201910568399A CN110146236A CN 110146236 A CN110146236 A CN 110146236A CN 201910568399 A CN201910568399 A CN 201910568399A CN 110146236 A CN110146236 A CN 110146236A
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Classifications
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/025—Details with respect to the testing of engines or engine parts
-
- 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
Abstract
The present invention relates to a kind of automobile oil filter air tightness test automation equipment and its test methods, and workpiece to be detected is positioned and detected using detection and localization component；Utilize pushing component, especially press by the pressure that pneumohydraulic pressure-cylinder generates to workpiece to be detected, the upper surface that workpiece to be detected is contacted by spring pressure head component blocks the side plate hole of workpiece using cylinder is blocked, and is blocked using upper surface air hole of the block head to workpiece.It connects using ATEQF620 Air leak test instrument and test pipe fitting and carries out air tightness test.Pneumohydraulic pressure-cylinder can generate scheduled lower pressure, guarantee plugging effect.Detection and localization seat is equipped with the sealing ring coincideing with workpiece profile to be detected, which can guarantee very close to each other between the lower surface of workpiece to be detected and detection and localization seat, further strengthens plugging effect.By slide assemblies, detection and localization component, component three mutual cooperation is pushed, so that integral device movement continuity is high, high-efficient.
Description
Technical field
The present invention relates to a kind of air-tightness testing devices, and in particular to a kind of automobile oil filter air tightness test is automatic
Change equipment and its test method.
Background technique
Automobile oil filter, referred to as " vapour filter ", the major function that vapour is filtered be filter out dust in machine oil, metallic particles,
The impurity such as carbon precipitates and coal soot protect engine.Under normal circumstances, each components are by machine oil in engine
It lubricates to realize normal work, but is oxidized under generated metal fragment, the dust of entrance, high temperature when components operating
Carbon distribution and part steam can constantly be mixed into machine oil, the service life that the time has grown machine oil can be reduced, and be had when serious
Normal working of engine may be influenced, therefore the quality of automobile oil filter directly influences the service life of engine itself,
And the quality of automobile oil filter has significant portion to be embodied in its air-tightness.
It after producing automobile oil filter, needs to carry out air-leakage test to it on specific assembly line, to protect
It is up-to-standard when card factory.
Usually each air hole of automobile oil filter is filled in by operator with dedicated closure in the prior art and is blocked up
On, detector is connected in one end, by detector test air-tightness and shows on a display screen.The company of this detection mode molar behavior
Coherence is lower, blocks plug since manufacturing tolerance not can avoid, causes sealing blocking effect poor, can not filter inner cavity for vapour and keep pressure
Power.
Summary of the invention
Goal of the invention: providing a kind of automobile oil filter air tightness test automation equipment and its test method, solves
The above problem of the existing technology.
Technical solution: a kind of automobile oil filter air tightness test automation equipment, including infrastructure component, Slide Group
Part, pushes four part of component at detection and localization component.
Wherein, infrastructure component, including rack, and build the substrate in the rack；
Slide assemblies, including the sliding group of fixed straight line on the substrate；
Detection and localization component is fixed on the sliding panel and determines including the sliding panel being slidably arranged in the sliding group of the straight line
Position detection seat, and be separately positioned on the closure cylinder on detection and localization seat periphery, get cylinder ready；In the detection and localization seat
Equipped with air flow channel, one end of the air flow channel is connect by testing pipe fitting with the detection and localization seat, the testing tube
One end of connector connects ATEQF620 Air leak test instrument；
Component is pushed, including the spring by more pillar settings on the substrate and right above the slide assemblies
Pressure head component, and the pneumohydraulic pressure-cylinder of spring pressure head component side is set.
In a further embodiment, the rack is built into the detection zone of cube, and the side of the rack is behaved
Work material placing area domain, the two sides in the artificial material placing area domain are fixed with protection grating, and the protection grating is by least a pair of of grating scale
It is composed.Whether protection grating is invaded for incuding in detection zone in real time, is prevented from pushing when component pushes and is accidentally injured behaviour
Make personnel.
In a further embodiment, the sliding group of the straight line includes fixed planetary roller electric cylinder on the substrate,
It is fixed on the sliding rail of planetary roller electric cylinder two sides in parallel, and is fixed on the limited block of the sliding rail end；The cunning
Movable plate sliding is erected on the sliding rail, and the bottom surface of the sliding panel is connect with the push rod of the planetary roller electric cylinder.Planet
Roller electric cylinder drives the rotation of roller screw rod by mechanical driving device by servo motor, arrangement point between roller screw rod and sliding block
It is furnished with ball, ball rolls along the thread groove of roller screw rod and completes to move along a straight line with movable slider, final that push rod is driven to make
Push-and-pull linear motion.The sliding group of this straight line has high dynamic response and accurate position control, compared to the hydraulic or gas of transmission
Pressure transmission, which noise is small, with small vibration, stable transmission, edge load ability are big.
In a further embodiment, the detection and localization seat is equipped with the sealing ring coincideing with workpiece profile to be detected,
The closure cylinder includes single rod closure cylinder and double rods block cylinder, and the list rod closure cylinder and double rods block
The air hole of the extension bar of cylinder and workpiece to be detected coincide, and one end of extension bar is equipped with rubber pad.Single rod blocks cylinder and uses
In the single air hole for blocking workpiece side to be detected, double rods block two that cylinder is used to block the workpiece other side to be detected
Air hole side by side.
In a further embodiment, the spring pressure head component includes setting up simultaneously bolt to be locked on the pillar
Pressure head mounting plate, the NTN KLM04 linear bearing of pressure head mounting plate quadrangle is fixed on, with the NTN KLM04 straight line
The guide rod that bearing is slidably matched is locked by bolt in the multiple spring pressure heads and block head of the guide rod end, and
Buffer spring on the spring pressure head and block head is set.NTN KLM04 linear bearing is smooth for providing for guide rod
Rectilinear path reduces the frictional resistance of guide rod, obtains high-precision smooth motion.
In a further embodiment, the spring pressure head is corresponding with the position of positioning hole of workpiece surface to be detected, institute
It is corresponding with the ventilative hole site of workpiece surface to be detected to state block head.Spring pressure head is used to determine with workpiece surface to be detected
Lateral register is completed in the cooperation of position hole, and block head is used to block the air hole of workpiece surface to be detected.
A kind of test method of automobile oil filter air tightness test automation equipment, it is characterised in that including following step
It is rapid:
S1, workpiece to be detected are manually placed on detection and localization seat, by multiple positioning finger settings on detection and localization seat；
Photoelectric sensor on S2, detection and localization seat senses that workpiece to be detected, operator's both hands press two startings simultaneously
Button；
S3, the starting of planetary roller electric cylinder, drive detection and localization seat mobile to the direction far from action pane, until work to be detected
Part reaches predeterminated position；
S4, when workpiece to be detected reach predeterminated position after, photoelectric sensor outputs control signals to industrial personal computer, pushes component at this time
Controlled starting, pneumohydraulic pressure-cylinder output power drive spring pressure head component to push and slowly approach and finally contact workpiece to be detected；
S5, spring pressure head component push in place after, block cylinder ejector extension bar, and using extension bar one end rubber pad with to
Detect the air hole fitting of workpiece；
S6, ATEQF620 Air leak test instrument start to detect, and are pushed using spring pressure head component and are generated to workpiece to be detected
Deformation, squeezes the air of inside workpiece to be detected, and generates air pressure change, and this air pressure change is leaked by ATEQF620 air-tightness
Detector receives, and is processed into numerical value and shows on a display screen；
After the completion of S7, air-leakage test, is first risen and returned by the former road of spring pressure head component, the then road detection and localization Zuo Yuan sliding is returned
It returns, completes detection.
In a further embodiment, the protection grating whole process positioned at artificial material placing area domain works, when detecting operator
When member or other foreign matters pass through grating scale, feedback signal continues work by industrial personal computer arrestment to industrial personal computer to protection grating immediately
Make, until protection grating determines to invade without personnel.
In a further embodiment, to be checked after blocking the air hole closure of cylinder and block head by workpiece to be detected
Survey inside workpiece should be confined space without other gas leakage, and spring pressure head component, which is pushed, generates shape to workpiece to be detected
Become, if the ATEQF620 Air leak test instrument for being now placed in test pipe fitting side senses air pressure change, is determined as
Air tightness of workpiece to be detected is qualified, if the ATEQF620 Air leak test instrument for being located at test pipe fitting side becomes without air pressure
Change, then determines that there is gas leakage situation at the other positions of workpiece to be detected, be then determined as that air-tightness is unqualified.
The utility model has the advantages that the present invention relates to a kind of automobile oil filter air tightness test automation equipment and its test sides
Method is positioned and is detected to workpiece to be detected using detection and localization component；Using component is pushed, pneumohydraulic pressure-cylinder is especially relied on
The pressure of generation presses to workpiece to be detected, and the upper surface of workpiece to be detected is contacted by spring pressure head component, utilizes closure cylinder
The side plate hole of workpiece is blocked, is blocked using upper surface air hole of the block head to workpiece.Utilize ATEQF620 air-tightness
Leakage detector and test pipe fitting are connected and carry out air tightness test.Pneumohydraulic pressure-cylinder can generate scheduled lower pressure, guarantee
Plugging effect.Detection and localization seat is equipped with the sealing ring coincideing with workpiece profile to be detected, which can guarantee to be detected
It is very close to each other between the lower surface and detection and localization seat of workpiece, further strengthen plugging effect.By slide assemblies, detection and localization group
Part pushes component three mutual cooperation, so that integral device movement continuity is high, high-efficient.
Detailed description of the invention
Fig. 1 is perspective view of the invention.
Fig. 2 is the first visual angle of inside partial perspective view of the invention.
Fig. 3 is the second visual angle of inside partial perspective view of the invention.
Fig. 4 is the perspective view of detection and localization component in the present invention.
Fig. 5 is the cross-sectional view of planetary roller electric cylinder in the present invention.
Fig. 6 is the structural schematic diagram of spring pressure head component in the present invention.
Each appended drawing reference in figure are as follows: rack 1, workpiece to be detected 2, Air leak test instrument 3, industrial personal computer 4, gas-liquid pressure-boosting
The sliding group of cylinder 5, guide rod 6, spring pressure head component 7, straight line 8, drag chain 801, planetary roller electric cylinder 802, thread groove 802a, push rod
802b, ball 802c, roller screw rod 802d, sliding block 802e, sliding rail 803, block cylinder 9, single rod blocks cylinder 901, it is double go out
Bar blocks cylinder 902, gets cylinder 10, pillar 11, linear bearing 12, pressure head mounting plate 13, spring pressure head 1301, buffer spring ready
1302, block head 1303, substrate 14, limited block 15, protection grating 16, detection and localization seat 17, sealing ring 18, positioning pin 19, survey
Test tube connector 20.
Specific embodiment
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into
Row description.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
As shown in Figures 1 to 6, the invention discloses a kind of automobile oil filter air tightness test automation equipment and its
Test method.A kind of automobile oil filter air tightness test automation equipment, including rack 1, substrate 14, straight line are slided group 8, are slided
Movable plate, detection and localization seat 17, block cylinder 9, get cylinder 10 ready, air flow channel, test pipe fitting 20, ATEQF620 air-tightness are let out
Leak detection instrument 3, spring pressure head component 7, pneumohydraulic pressure-cylinder 5.The rack 1 is built by multiple profiles, and the substrate 14 is taken
It build in inside the rack 1, the rack 1 is built into the detection zone of cube, and the side of the rack 1 is artificial material placing area
Domain, the two sides in the artificial material placing area domain are fixed with protection grating 16, and the protection grating 16 is combined by least a pair of of grating scale
It forms, the sliding group 8 of the straight line is fixed on the substrate 14, and the sliding panel is slidably arranged in the sliding group 8 of the straight line, described
The sliding group 8 of straight line includes the planetary roller electric cylinder 802 being fixed on the substrate 14, and it is electronic to be fixed on the planetary roller in parallel
The sliding rail 803 of 802 two sides of cylinder, and it is fixed on the limited block 15 of 803 end of sliding rail；The sliding panel sliding is erected at institute
It states on sliding rail 803, the bottom surface of the sliding panel is connect with the push rod 802b of the planetary roller electric cylinder 802, the sliding panel
Side be connected with drag chain 801, one end of the drag chain 801 is fixed on the substrate 14.The detection and localization seat 17 is fixed on described
On sliding panel, the closure cylinder 9 gets the periphery that cylinder 10 is separately positioned on the detection and localization seat 17, the positioning inspection ready
It surveys seat 17 and is equipped with the sealing ring 18 coincideing with 2 profile of workpiece to be detected, the closure cylinder 9 includes that single rod blocks cylinder
901 and double rods block cylinders 902, the list rod block the extension bar of cylinder 901 and double rod closure cylinders 902 with it is to be checked
The air hole for surveying workpiece 2 coincide, and one end of extension bar is equipped with rubber pad.The air flow channel is arranged in the detection and localization seat 17
Interior, the test pipe fitting 20 is fixed on the side of the detection and localization seat 17 and is connected to the air flow channel, described
ATEQF620 Air leak test instrument 3 is connect with one end of the test pipe fitting 20, and the spring pressure head component 7 passes through more
Root pillar 11 is arranged on the substrate 14, and the spring pressure head component 7 is located at the surface of the slide assemblies, the gas-liquid
The side of the spring pressure head component 7 is arranged in pressurized cylinder 5.The spring pressure head component 7 includes setting up simultaneously bolt to be locked
Pressure head mounting plate 13 on the pillar 11 is fixed on the NTN KLM04 linear bearing 12 of 13 4 jiaos of the pressure head mounting plate,
The guide rod 6 being slidably matched with the NTN KLM04 linear bearing 12 is locked by bolt in the more of 6 end of guide rod
A spring pressure head 1301 and block head 1303, and the buffer spring being arranged on the spring pressure head 1301 and block head 1303
1302.The spring pressure head 1301 is corresponding with the position of positioning hole of 2 upper surface of workpiece to be detected, the block head 1303 with it is to be checked
The ventilative hole site for surveying 2 upper surface of workpiece is corresponding.
The specific test method of the present invention is made below and being specifically described: firstly, workpiece to be detected 2 is manually placed at positioning
It detects on seat 17, is positioned by multiple positioning pins 19 on detection and localization seat 17.Photoelectric sensor induction on detection and localization seat 17
To workpiece 2 to be detected, operator's both hands press two start buttons simultaneously.If operator only presses in two start buttons
Wherein any one, equipment does not start, and two start buttons being capable of effective false-touch prevention.After equipment starting, planetary roller is electronic
Cylinder 802 starts, and drives detection and localization seat 17 mobile to the direction far from action pane, until workpiece 2 to be detected reaches default position
It sets.Planetary roller electric cylinder 802 drives roller screw rod 802d rotation, roller screw rod by mechanical driving device by servo motor
Arranged distribution has ball 802c, ball 802c to roll along the thread groove 802a of roller screw rod 802d between 802d and sliding block 802e
And complete to move along a straight line with movable slider 802e, it is final that push rod 802b is driven to make push-and-pull linear motion.The sliding group 8 of this straight line has
High dynamic response and accurate position control, compared to the hydraulic or Pneumatic Transmission of transmission, which noise is small, it is with small vibration, pass
Dynamic stability, edge load ability are big.After workpiece 2 to be detected reaches predeterminated position, photoelectric sensor outputs control signals to work
Control machine 4, pushes component controlled starting at this time, and 5 output power of pneumohydraulic pressure-cylinder drives spring pressure head component 7 to push and slowly connects
Closely finally contact workpiece 2 to be detected.After spring pressure head component 7 pushes in place, blocks cylinder 9 and eject extension bar, and utilize and stretch
The rubber pad of rod one end is bonded with the air hole of workpiece 2 to be detected.The spring pressure head component 7 include pressure head mounting plate 13,
NTN KLM04 linear bearing 12, guide rod 6, spring pressure head 1301, block head 1303, buffer spring 1302.13 frame of pressure head mounting plate
And if be locked on the pillar 11 by bolt, the NTN KLM04 linear bearing 12 is fixed on pressure head installation
The quadrangle of plate 13, the guide rod 6 are slidably matched with the NTN KLM04 linear bearing 12, the spring pressure head 1301 and closure
First 1303 are locked by bolt in the end of the guide rod 6, and the buffer spring 1302 is arranged in the spring pressure head
1301 and block head 1303 on.NTN KLM04 linear bearing 12 is used to provide smooth rectilinear path for guide rod 6, reduces guide rod 6
Frictional resistance, obtain high-precision smooth motion.After spring pressure head component 7 pushes in place, the leakage of ATEQF620 air-tightness
Detector 3 starts to detect, and is pushed using spring pressure head component 7 and generates deformation to workpiece 2 to be detected, squeezed in workpiece 2 to be detected
The air in portion, and air pressure change is generated, this air pressure change is received by ATEQF620 Air leak test instrument 3, and is processed into
Numerical value is shown on a display screen.It is to be detected after blocking the air hole closure of cylinder 9 and block head 1303 by workpiece 2 to be detected
It should be confined space inside workpiece 2 without other gas leakage, spring pressure head component 7, which pushes, generates workpiece 2 to be detected
Deformation is sentenced if the ATEQF620 Air leak test instrument 3 for being now placed in test 20 side of pipe fitting senses air pressure change
It is set to 2 air-tightness of workpiece qualification to be detected, if being located at 3 nothing of ATEQF620 Air leak test instrument of test 20 side of pipe fitting
Air pressure change then determines that there is gas leakage situation at the other positions of workpiece 2 to be detected, is then determined as that air-tightness is unqualified.Positioned at manually setting
Expect that the whole work of the protection grating 16 in region protects grating 16 when detecting that operator or other foreign matters pass through grating scale
Feedback signal is worked on, until protection grating 16 determines to invade without personnel to industrial personal computer 4 by 4 arrestment of industrial personal computer immediately.
After the completion of air-leakage test, is first risen and returned by the former road of spring pressure head component 7, the then road detection and localization Zuo17Yuan sliding is returned
It returns, completes detection.
As described above, must not be explained although the present invention has been indicated and described referring to specific preferred embodiment
For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right
It makes a variety of changes in the form and details.
Claims (9)
1. a kind of automobile oil filter air tightness test automation equipment, it is characterized in that including:
Infrastructure component, including rack, and build the substrate in the rack；
Slide assemblies, including the sliding group of fixed straight line on the substrate；
Detection and localization component is fixed on the sliding panel and determines including the sliding panel being slidably arranged in the sliding group of the straight line
Position detection seat, and be separately positioned on the closure cylinder on detection and localization seat periphery, get cylinder ready；In the detection and localization seat
Equipped with air flow channel, one end of the air flow channel is connect by testing pipe fitting with the detection and localization seat, the testing tube
One end of connector connects ATEQF620 Air leak test instrument；
Component is pushed, including the spring by more pillar settings on the substrate and right above the slide assemblies
Pressure head component, and the pneumohydraulic pressure-cylinder of spring pressure head component side is set.
2. a kind of automobile oil filter air tightness test automation equipment according to claim 1, it is characterised in that: institute
The detection zone that rack is built into cube is stated, the side of the rack is artificial material placing area domain, the artificial material placing area domain
Two sides are fixed with protection grating, and the protection grating is composed of at least a pair of of grating scale.
3. a kind of automobile oil filter air tightness test automation equipment according to claim 1, it is characterised in that: institute
Stating the sliding group of straight line includes fixed planetary roller electric cylinder on the substrate, is fixed on the planetary roller electric cylinder two in parallel
The sliding rail of side, and it is fixed on the limited block of the sliding rail end；The sliding panel sliding is erected on the sliding rail, the cunning
The bottom surface of movable plate is connect with the push rod of the planetary roller electric cylinder.
4. a kind of automobile oil filter air tightness test automation equipment according to claim 1, it is characterised in that: institute
It states detection and localization seat and is equipped with the sealing ring coincideing with workpiece profile to be detected, the closure cylinder includes that single rod blocks cylinder
Cylinder is blocked with double rods, single rod blocks cylinder and double rods block the extension bar of cylinder and breathing freely for workpiece to be detected
Hole coincide, and one end of extension bar is equipped with rubber pad.
5. a kind of automobile oil filter air tightness test automation equipment according to claim 1, it is characterised in that: institute
Stating spring pressure head component includes setting up and bolt is locked the pressure head mounting plate on the pillar, is fixed on the pressure head peace
The NTN KLM04 linear bearing of loading board quadrangle, the guide rod being slidably matched with the NTN KLM04 linear bearing pass through bolt lock
The multiple spring pressure heads and block head in the guide rod end are fastened, and are arranged on the spring pressure head and block head
Buffer spring.
6. a kind of automobile oil filter air tightness test automation equipment according to claim 5, it is characterised in that: institute
State that spring pressure head is corresponding with the position of positioning hole of workpiece surface to be detected, the block head is saturating with workpiece surface to be detected
Stomata position is corresponding.
7. a kind of test method of automobile oil filter air tightness test automation equipment, it is characterised in that including following step
It is rapid:
S1, workpiece to be detected are manually placed on detection and localization seat, by multiple positioning finger settings on detection and localization seat；
Photoelectric sensor on S2, detection and localization seat senses that workpiece to be detected, operator's both hands press two startings simultaneously
Button；
S3, the starting of planetary roller electric cylinder, drive detection and localization seat mobile to the direction far from action pane, until work to be detected
Part reaches predeterminated position；
S4, when workpiece to be detected reach predeterminated position after, photoelectric sensor outputs control signals to industrial personal computer, pushes component at this time
Controlled starting, pneumohydraulic pressure-cylinder output power drive spring pressure head component to push and slowly approach and finally contact workpiece to be detected；
S5, spring pressure head component push in place after, block cylinder ejector extension bar, and using extension bar one end rubber pad with to
Detect the air hole fitting of workpiece；
S6, ATEQF620 Air leak test instrument start to detect, and are pushed using spring pressure head component and are generated to workpiece to be detected
Deformation, squeezes the air of inside workpiece to be detected, and generates air pressure change, and this air pressure change is leaked by ATEQF620 air-tightness
Detector receives, and is processed into numerical value and shows on a display screen；
After the completion of S7, air-leakage test, is first risen and returned by the former road of spring pressure head component, the then road detection and localization Zuo Yuan sliding is returned
It returns, completes detection.
8. a kind of test method of automobile oil filter air tightness test automation equipment according to claim 7,
It is characterized in that: working positioned at the protection grating whole process in artificial material placing area domain, when detecting that operator or other foreign matters pass through light
When grid ruler, feedback signal is worked on, until protection grating determines protection grating to industrial personal computer by industrial personal computer arrestment immediately
No personnel's invasion.
9. a kind of test method of automobile oil filter air tightness test automation equipment according to claim 7,
Be characterized in that: after closure cylinder and block head block the air hole of workpiece to be detected, inside workpiece to be detected is without other
It should be confined space in the case where gas leakage, spring pressure head component, which is pushed, generates deformation to workpiece to be detected, is now placed in testing tube
If the ATEQF620 Air leak test instrument of connector side senses air pressure change, it is determined as that air tightness of workpiece to be detected closes
Lattice, if the ATEQF620 Air leak test instrument for being located at test pipe fitting side determines workpiece to be detected without air pressure change
There is gas leakage situation at other positions, then are determined as that air-tightness is unqualified.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910568399.6A CN110146236A (en) | 2019-06-27 | 2019-06-27 | A kind of automobile oil filter air tightness test automation equipment and its test method |
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| CN201910568399.6A CN110146236A (en) | 2019-06-27 | 2019-06-27 | A kind of automobile oil filter air tightness test automation equipment and its test method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530574A (en) * | 2019-09-20 | 2019-12-03 | 伟创力电子技术(苏州)有限公司 | A kind of air-tightness product test automation equipment |
| CN110567646A (en) * | 2019-10-08 | 2019-12-13 | 华勤通讯技术有限公司 | air tightness test fixture and air tightness test device |
| CN111366310A (en) * | 2020-04-28 | 2020-07-03 | 博众精工科技股份有限公司 | Tightness detection device |
| CN113029448A (en) * | 2021-03-15 | 2021-06-25 | 深圳市云客智慧科技有限公司 | Self-locking mechanism for automobile rear lamp air tightness detection equipment |
| CN114136608A (en) * | 2021-12-17 | 2022-03-04 | 重庆百吉四兴压铸有限公司 | Pressure test system |
| CN114199461A (en) * | 2021-10-26 | 2022-03-18 | 珠海格力智能装备有限公司 | Cylinder detection device |
| CN114593878A (en) * | 2022-03-10 | 2022-06-07 | 博众精工科技股份有限公司 | Air tightness testing device |
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