CN109506853A - A kind of automobile bearing sealing ring air-tightness detection device - Google Patents

A kind of automobile bearing sealing ring air-tightness detection device Download PDF

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Publication number
CN109506853A
CN109506853A CN201811611084.7A CN201811611084A CN109506853A CN 109506853 A CN109506853 A CN 109506853A CN 201811611084 A CN201811611084 A CN 201811611084A CN 109506853 A CN109506853 A CN 109506853A
Authority
CN
China
Prior art keywords
air
dynamic
air accumulator
bearing
cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811611084.7A
Other languages
Chinese (zh)
Inventor
冯伟
张守伟
刘绍娜
邢莉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangcheng Institute of Technology
Yancheng Institute of Technology
Original Assignee
Yangcheng Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangcheng Institute of Technology filed Critical Yangcheng Institute of Technology
Priority to CN201811611084.7A priority Critical patent/CN109506853A/en
Publication of CN109506853A publication Critical patent/CN109506853A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/04Bearings

Abstract

The invention discloses a kind of automobile bearing sealing ring air-tightness detection devices.Including compression mold device, pressed film equipment includes: workbench, the cover half being set on work top, and dynamic model is arranged in the top of the cover half, and the dynamic model is connect with punching mechanism;Cylinder, the first air accumulator, the second air accumulator and first longitudinal direction duct, second longitudinal direction duct positioned at cover half two sides are equipped in workbench, punching mechanism is upper, which to be equipped with two with dynamic model two sides, to be the first interlocking lever and the second interlocking lever respectively with the interlocking lever of the synchronous up and down motion of punching mechanism.A kind of automobile bearing sealing ring air-tightness detection device of the present invention, by the travel switch of two different locations, relative position between intelligent decision dynamic model and cover half, i.e. molding opportunity, aerodynamic energy is accurately discharged to control accumulation of energy cylinder, realizes bearing sealed ring air-leakage test.

Description

A kind of automobile bearing sealing ring air-tightness detection device
Technical field
The present invention relates to automobile bearing sealing ring air-tightness detection devices.
Background technique
In the prior art, automobile bearing use has various working conditions, and some use environments are more complex, meanwhile, it is now objective Family requires bearing manufacturer to want high in the First Pass Yield of exploitation bearing.This requires develop new product bearing every time, it is necessary to have simultaneously Whether the condition of detection, the experiment of standby simulation client's operating condition, met the requirements by the verification experimental verification bearing of oneself, Cai Nengti first It is sent to the upper machine test of client, is striven for once by shortening the development cycle.The research and development ability of itself is continuously improved, is formed stronger Competitive advantage.
Current bearing sealed ring air tightness detection equipment is to carry out air-tightness to bearing under bearing stationary state mostly Detection, if application number is 201420531508.X, discloses a kind of sealing bearing leakage testing device.
Application number is 201320553719.9, discloses a kind of sealing bearing air-tightness detection device.
When the above two air-leakage test for bearing is that bearing is under nonrotating state, still, bearing conduct One rotating member, such detection method obviously cannot obtain the air-tightness of bearing when rotated.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of automobile bearing sealing ring air-tightness detection device, it can Simulation bearing detects the air-tightness of the sealing ring of its inside in rotary load, and is examined by travel switch intelligent decision Survey opportunity, accumulation of energy cylinder accurately discharge aerodynamic energy, realize bearing sealed ring air-leakage test.
In order to achieve the above technical purposes, the present invention specifically takes following technical scheme:
A kind of automobile automobile bearing sealing ring air-tightness detection device, including compression mold device, pressed film equipment include: workbench, if The cover half being placed on work top, which is characterized in that the upper end of the cover half is equipped with test bearing and bearing block, test bearing Dynamic model is arranged in surface, and the dynamic model top connect with punching mechanism, the lower part of dynamic model equipped with the bearing sleeve being vertically arranged, with And the servo motor with dynamic model coaxial arrangement, the drive shaft of servo motor are equipped with the transmission matched with test bearing inner ring Axis;
In workbench equipped with cylinder, the first air accumulator, the second air accumulator and positioned at cover half two sides first longitudinal direction duct, second Longitudinal holes, punching mechanism is upper, which to be equipped with two with dynamic model two sides, to distinguish with the interlocking lever of the synchronous up and down motion of punching mechanism It is the first interlocking lever and the second interlocking lever, wherein one end of the first interlocking lever is fixedly connected with punching mechanism, and the other end passes through the One longitudinal holes and putting in the cylinder are connect with the piston of cylinder, and the second interlocking lever is slidably matched with second longitudinal direction duct;
It is connected between cylinder and the first air accumulator by first pipe, passes through the second pipe between the first air accumulator and the second air accumulator Road is connected with third pipeline, and the second pipe is equipped with the first solenoid valve, and third pipeline is equipped with second solenoid valve, also wraps The second stroke switch for including the first stroke switch being electrically connected with the first solenoid valve and being electrically connected with second solenoid valve, two rows Cheng Kaiguan is used to detect two positions between dynamic model and cover half, is respectively:
First position, when being molded between dynamic model and cover half, first stroke switch open the second pipeline on the first solenoid valve, first Air accumulator gas transmission into the second air accumulator, second air accumulator and air flue constitute high pressure chest;Second air accumulator and test bearing Bottom between be equipped with ventilation air flue;The bearing sleeve forms a leakage chamber after being in contact with bearing block;
The second position, when dividing mould between dynamic model and cover half, second stroke switch open third pipeline on second solenoid valve, second Air accumulator is inflated into the first air accumulator, closes servo motor.
The first pipe is equipped with check valve.
The side setting first stroke that workbench bottom is located at second longitudinal direction duct switchs, and it is vertical that workbench top is located at second It is switched to the side in duct setting second stroke.
The first stroke switch and second stroke switch are press-contacting type travel switch, the bar wall of second interlocking lever Side is equipped with for switching the protrusion being in contact with first stroke switch and second stroke.
The cavity wall of the leakage chamber is equipped with air tightness detection equipment, comprising: reveals air entraining pipe and is serially connected in leakage bleed Gas mass flow detection device on pipe.
The beneficial effects of the present invention are:
A kind of automobile bearing sealing ring air-tightness detection device of the present invention is intelligently sentenced by the travel switch of two different locations Relative position between disconnected dynamic model and cover half, that is, mold the opportunity of detection, so that controlling accumulation of energy cylinder accurately discharges aerodynamic energy, Realize bearing sealed ring air-leakage test.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of automobile bearing sealing ring air-tightness detection device of the present invention;
Wherein 1 is workbench;2 be cover half;3 be dynamic model;4 be cylinder;5 be the first air accumulator;6 be the second air accumulator;7 be first Longitudinal holes;8 be second longitudinal direction duct;9 be the first interlocking lever;10 be the second interlocking lever;11 be first pipe;12 be third pipe Road;14 switch for first stroke;15 switch for second stroke;16 be check valve;17 be test bearing;18 be bearing block;19 are Bearing sleeve;20 be servo motor;21 be transmission shaft;22 be leakage air entraining pipe;23 be gas mass flow detection device.
Specific embodiment
Of the invention is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of automobile bearing sealing ring air-tightness detection device of the present invention, including workbench 1, it is set to work Make the cover half 2 on 1 face of platform, the upper end of the cover half 2 is equipped with test bearing 17 and bearing block 18, and the surface of test bearing 17 is set Set dynamic model 3,3 top of dynamic model is connect with punching mechanism, the lower part of dynamic model 3 be equipped with the bearing sleeve 19 being vertically arranged and The servo motor 20 being coaxially disposed with dynamic model 3, the drive shaft of servo motor 20 are equipped with the biography matched with test bearing inner ring Moving axis 21;
Cylinder 4, the first air accumulator 5, the second air accumulator 6 and the first longitudinal direction duct positioned at 2 two sides of cover half are equipped in workbench 1 7, second longitudinal direction duct 8, punching mechanism is upper two are equipped with 3 two sides of dynamic model can be with the gearing of the synchronous up and down motion of punching mechanism Bar is the first interlocking lever 9 and the second interlocking lever 10 respectively, wherein one end of the first interlocking lever 9 is fixedly connected with punching mechanism, The other end passes through first longitudinal direction duct 7 and puts in the cylinder 4 to be connect with the piston of cylinder 4, the second interlocking lever 10 and second Longitudinal holes 8 are slidably matched;It is connected between cylinder 4 and the first air accumulator 5 by first pipe 11, the first air accumulator 5 and second It is connected by second pipe 12 with third pipeline 13 between air accumulator 6, the second pipe 12 is equipped with the first solenoid valve, the Three pipelines 13 are equipped with second solenoid valve, further include the first stroke switch 14 be electrically connected with the first solenoid valve and with it is second electric The second stroke switch 15 of magnet valve electrical connection, two travel switches are used to detect two positions between dynamic model 3 and cover half 2, point It is not:
First position, when being molded between dynamic model and cover half, first stroke switch open the second pipeline on the first solenoid valve and Open servo motor 20, the gas transmission into the second air accumulator 6 of the first air accumulator 5, the bottom of the second air accumulator 6 and test bearing 17 it Between be equipped with ventilation air flue;Second air accumulator 6 and air flue constitute high pressure chest;
The bearing sleeve 19 forms a leakage chamber after being in contact with bearing block 18;
The second position, when dividing mould between dynamic model and cover half, second stroke switch open third pipeline on second solenoid valve and Servo motor is closed, the second air accumulator 6 is inflated into the first air accumulator 5.
As an optimal technical scheme of technical solution of the present invention, the first stroke switch 14 and second stroke switch 15 be press-contacting type travel switch, the bar wall side of second interlocking lever 10 be equipped with for first stroke switch 14 and second The protrusion that travel switch 15 is in contact.
As an optimal technical scheme of technical solution of the present invention, the cavity wall of the leakage chamber is equipped with air-leakage test Equipment, comprising: leakage air entraining pipe and the gas mass flow detection device being serially connected on leakage air entraining pipe.
A kind of course of work of automobile bearing sealing ring air-tightness detection device of the present invention is:
Pressing mold: hold-down devices drive dynamic model 3 to move downward, and the first interlocking lever 9, which moves downward, drives the piston in cylinder 4 to transport downwards Dynamic, cylinder 4 carries out gas storage to the first air accumulator 5 by first pipe 11;At this point, the second interlocking lever 10 touches first stroke and opens 14 are closed, first stroke switch opens the first solenoid valve on the second pipeline and opens servo motor 20, and servo motor 20 passes through Transmission shaft 21 drives the rotation of test bearing inner ring, meanwhile, the gas storage into the second air accumulator 6 of the first air accumulator 5, the second air accumulator 6 The air flue of ventilation is equipped between the bottom of test bearing 17;Second air accumulator 6 and air flue constitute high pressure chest;The axis It holds and forms a leakage chamber after cover for seat 19 is in contact with bearing block 18;The cavity wall for revealing chamber is equipped with air tightness detection equipment;
Detection is completed: press mechanism drives dynamic model 3 to move upwards, when the second interlocking lever 10 touches second stroke switch 15, the Second solenoid valve in two travel switches 15 opening third pipeline, the rapid gas injection into the first air accumulator 5 of the second air accumulator 6, together When servo motor stop.

Claims (5)

1. a kind of automobile automobile bearing sealing ring air-tightness detection device, including compression mold device, pressed film equipment include: workbench, The cover half being set on work top, which is characterized in that the upper end of the cover half is equipped with test bearing and bearing block, test bearing Surface dynamic model is set, the dynamic model top connect with punching mechanism, the lower part of dynamic model equipped with the bearing sleeve being vertically arranged, And the servo motor with dynamic model coaxial arrangement, the drive shaft of servo motor are equipped with the transmission matched with test bearing inner ring Axis;
In workbench equipped with cylinder, the first air accumulator, the second air accumulator and positioned at cover half two sides first longitudinal direction duct, second Longitudinal holes, punching mechanism is upper, which to be equipped with two with dynamic model two sides, to distinguish with the interlocking lever of the synchronous up and down motion of punching mechanism It is the first interlocking lever and the second interlocking lever, wherein one end of the first interlocking lever is fixedly connected with punching mechanism, and the other end passes through the One longitudinal holes and putting in the cylinder are connect with the piston of cylinder, and the second interlocking lever is slidably matched with second longitudinal direction duct;
It is connected between cylinder and the first air accumulator by first pipe, passes through the second pipe between the first air accumulator and the second air accumulator Road is connected with third pipeline, and the second pipe is equipped with the first solenoid valve, and third pipeline is equipped with second solenoid valve, also wraps The second stroke switch for including the first stroke switch being electrically connected with the first solenoid valve and being electrically connected with second solenoid valve, two rows Cheng Kaiguan is used to detect two positions between dynamic model and cover half, is respectively:
First position, when being molded between dynamic model and cover half, first stroke switch open the second pipeline on the first solenoid valve, first Air accumulator gas transmission into the second air accumulator, second air accumulator and air flue constitute high pressure chest;Second air accumulator and test bearing Bottom between be equipped with ventilation air flue;The bearing sleeve forms a leakage chamber after being in contact with bearing block;
The second position, when dividing mould between dynamic model and cover half, second stroke switch open third pipeline on second solenoid valve, second Air accumulator is inflated into the first air accumulator, closes servo motor.
2. automobile bearing sealing ring air-tightness detection device according to claim 1, which is characterized in that the first pipe It is equipped with check valve.
3. automobile bearing sealing ring air-tightness detection device according to claim 1, which is characterized in that workbench bottom position Side setting first stroke in second longitudinal direction duct switchs, and workbench top is located at the side setting second in second longitudinal direction duct Travel switch.
4. automobile bearing sealing ring air-tightness detection device according to claim 3, which is characterized in that the first stroke Switch and second stroke switch are press-contacting type travel switch, and the bar wall side of second interlocking lever, which is equipped with, to be used for and the first row Cheng Kaiguan and second stroke switch the protrusion being in contact.
5. automobile bearing sealing ring air-tightness detection device according to claim 1, which is characterized in that the leakage chamber Cavity wall is equipped with air tightness detection equipment, comprising: leakage air entraining pipe and the gas mass flow inspection being serially connected on leakage air entraining pipe Survey device.
CN201811611084.7A 2018-12-27 2018-12-27 A kind of automobile bearing sealing ring air-tightness detection device Pending CN109506853A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811611084.7A CN109506853A (en) 2018-12-27 2018-12-27 A kind of automobile bearing sealing ring air-tightness detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811611084.7A CN109506853A (en) 2018-12-27 2018-12-27 A kind of automobile bearing sealing ring air-tightness detection device

Publications (1)

Publication Number Publication Date
CN109506853A true CN109506853A (en) 2019-03-22

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Application Number Title Priority Date Filing Date
CN201811611084.7A Pending CN109506853A (en) 2018-12-27 2018-12-27 A kind of automobile bearing sealing ring air-tightness detection device

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1306920A (en) * 2000-01-27 2001-08-08 湖北通达股份有限公司 Dynamic airtightness detection method and detector for silicone oil fan clutch bearing in automobile
JP2005207764A (en) * 2004-01-20 2005-08-04 Ntn Corp Seal performance evaluation method for bearing
JP2007101356A (en) * 2005-10-04 2007-04-19 Nsk Ltd Method of inspecting rolling bearing with sealing ring
CN101435735A (en) * 2008-12-05 2009-05-20 青岛泰德汽车轴承有限责任公司 Method and device for detecting sealing property of seal bearing
CN203422203U (en) * 2013-09-06 2014-02-05 襄阳鹰牌荣华轴承有限公司 Air tightness detection apparatus for sealed bearing
CN204085818U (en) * 2014-09-16 2015-01-07 宁波慈兴轴承有限公司 Sealing bearing leakage testing device
CN204202830U (en) * 2014-11-18 2015-03-11 人本集团有限公司 A kind of sealing bearing air-tightness detection device
CN204479247U (en) * 2015-04-03 2015-07-15 人本集团有限公司 The bearing frock of bearing gas leakage checkout equipment
CN205226107U (en) * 2015-12-22 2016-05-11 重庆长江轴承股份有限公司 Bearing seal circle developments device of nai oil test
CN106670338A (en) * 2017-01-10 2017-05-17 无锡贝克威尔器具有限公司 Self-demolding mold for baking trays for baking
CN206523273U (en) * 2017-02-08 2017-09-26 慈溪迅蕾轴承有限公司 Bearing dynamic airtightness leakage detection device
CN207937159U (en) * 2017-10-17 2018-10-02 苏州苏净船用机械有限公司 A kind of detection device of sealing test

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1306920A (en) * 2000-01-27 2001-08-08 湖北通达股份有限公司 Dynamic airtightness detection method and detector for silicone oil fan clutch bearing in automobile
JP2005207764A (en) * 2004-01-20 2005-08-04 Ntn Corp Seal performance evaluation method for bearing
JP2007101356A (en) * 2005-10-04 2007-04-19 Nsk Ltd Method of inspecting rolling bearing with sealing ring
CN101435735A (en) * 2008-12-05 2009-05-20 青岛泰德汽车轴承有限责任公司 Method and device for detecting sealing property of seal bearing
CN203422203U (en) * 2013-09-06 2014-02-05 襄阳鹰牌荣华轴承有限公司 Air tightness detection apparatus for sealed bearing
CN204085818U (en) * 2014-09-16 2015-01-07 宁波慈兴轴承有限公司 Sealing bearing leakage testing device
CN204202830U (en) * 2014-11-18 2015-03-11 人本集团有限公司 A kind of sealing bearing air-tightness detection device
CN204479247U (en) * 2015-04-03 2015-07-15 人本集团有限公司 The bearing frock of bearing gas leakage checkout equipment
CN205226107U (en) * 2015-12-22 2016-05-11 重庆长江轴承股份有限公司 Bearing seal circle developments device of nai oil test
CN106670338A (en) * 2017-01-10 2017-05-17 无锡贝克威尔器具有限公司 Self-demolding mold for baking trays for baking
CN206523273U (en) * 2017-02-08 2017-09-26 慈溪迅蕾轴承有限公司 Bearing dynamic airtightness leakage detection device
CN207937159U (en) * 2017-10-17 2018-10-02 苏州苏净船用机械有限公司 A kind of detection device of sealing test

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Application publication date: 20190322