CN202472350U - Axial riveting wheel hub bearing unit monitor system of axial riveting force-displacement - Google Patents
Axial riveting wheel hub bearing unit monitor system of axial riveting force-displacement Download PDFInfo
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- CN202472350U CN202472350U CN201120322883XU CN201120322883U CN202472350U CN 202472350 U CN202472350 U CN 202472350U CN 201120322883X U CN201120322883X U CN 201120322883XU CN 201120322883 U CN201120322883 U CN 201120322883U CN 202472350 U CN202472350 U CN 202472350U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model discloses an axial riveting wheel hub bearing unit monitor system of axial riveting force-displacement, comprising a pressure sensor, a transmitter 1, a displacement sensor, a transmitter 2, an A/D conversion module, an industrial control computer, and a data processing module, wherein the pressure sensor and the transmitter 1 are orderly connected, the displacement sensor and the transmitter 2 are orderly connected, the transmitters 1 and 2 are respectively connected with the A/D conversion module, and the A/D conversion module, the industrial control computer and the data processing module are orderly connected. The monitor system can record measured riveting force-displacement data in each riveting process, can automatically determine whether a riveting process is qualified or not according to a really-measured riveting force-displacement curve, can automatically provide possible reasons for generating unqualified products, and can automatically make a statistic analysis on data or load the data. The technical scheme of the utility model is simple and easy in implementing, and has positive and beneficial technical effects.
Description
Technical field
The utility model belongs to industrial product quality monitoring field, relates in particular to the axle riveting hub-bearing unit supervisory system of axial riveting force and displacement.
Background technology
In recent years, increasingly high to environmental protection requirement, particularly requirement energy-conservation, that improve reliability and all technology of saving cost is become increasingly conspicuous, to these requirements, the trend of nut clamping type has appearred replacing with axle riveted formula on the fit of hub bearing.The hub-bearing unit of traditional design Internal and external cycle when assembling is to link together securely with set nut; The existing shortcoming of this mode is: need in assembling, control the axial clamping force of hub through the pretension amount of control nut; Owing to existing foozle, the part in the unit makes the control out of true of clamping force; The fluctuation of precompressed amount is bigger, thereby causes the negative play amount of bearing to depart from optimal value and bearing life is descended, and the life-span dispersion increases greatly.In use,, thereby cause preloading unloading, in the time of seriously even inefficacy, have major safety risks owing to the locking thread structure that nut chucking adopts possibly become flexible because of factors such as vibrations.And new structure is the riveted shaping through axle head, makes flanged inner ring produce plastic yield, thereby compresses with inner ring.It no longer is that the installing drive axle just interconnects afterwards that this mode makes wheel stand and wheel flange, but becomes the hub-bearing unit with normal function through spinning, has alleviated next step assembly work greatly.Simultaneously; Axle riveted hub-bearing unit is compared with traditional design owing to lacked the chucking nut, and every hub-bearing unit can be realized loss of weight 200g effect; And hub-bearing unit is positioned at the suspension below; Therefore axle riveted hub-bearing unit can reduce the energy consumption in the vehicle traveling process significantly, reaches the energy savings purpose, and this technology has been represented the developing direction of hub manufacturing technology.The axial riveted assembling of existing automotive hub bearing unit; Usually set work period and beat by the time; Rely on the spacing terminal point of controlling the riveting dress of nut, and nut location is to rely on operator's experience to adjust, but iff relies on stop nut and time to control the riveting process of assembling; Foozle, die and clamp wear etc. can cause the axial riveting force-displacement relationship to produce very big fluctuation; Thereby the axial pretightening fluctuation of the axial unit after causing assembling is very big, makes assembly precision stability be difficult to reach requirement, and the life-span concentration degree also just is difficult to guarantee.Hub-bearing unit quality in the axle riveted process is carried out on-line monitoring, is to keep the conforming key of hub-bearing unit product quality.
Summary of the invention
The purpose of the utility model is to overcome the shortcoming and defect of prior art; The axle riveting hub-bearing unit supervisory system of axial riveting force and displacement is provided; Can carry out on-line monitoring to axle riveted process, solve the relatively poor problem of consistance of prior art products quality.
The utility model is realized through following technical scheme:
The axle riveting hub-bearing unit supervisory system of axial riveting force and displacement comprises pressure transducer, transmitter one, displacement transducer, transmitter two, A/D modular converter, industrial computer, data processing module; Said pressure transducer, transmitter one connect successively; Said displacement transducer, transmitter two connect successively; Said transmitter one, transmitter two are connected with the A/D modular converter respectively, and said A/D modular converter, industrial computer, data processing module connect successively.
Said data processing module comprises that parameter is provided with module, quality monitoring module, statistical analysis module.
Said parameter is provided with module and comprises and be used to be provided with that module, product parameters are provided with module, controlled variable is provided with module.
Said quality monitoring module comprises that curve bound and reference mark review one's lessons by oneself positive module, data acquisition module, data memory module, the online display module of curve, on-line monitoring module.
Said controlled variable is provided with module and comprises statistic of attribute module, quality analysis module, data query module.
Said pressure transducer adopts the radial pressure transducer.
Said displacement transducer adopts the raster pattern sensor.
Pressure transducer becomes voltage signal with the axial riveting force signal transition, after the conversion of A/D modular converter, is sent to industrial computer by capture card through the analog quantity behind transmitter one amplification correction; Equally, displacement signal by transmitter two amplification corrections after be delivered to industrial computer by capture card.Industrial computer is at the process data processing module; With online demonstration riveting force of graphical interfaces form and displacement curve, through riveting force and the CCP of displacement curve and correlation information and the reasonable riveting force of setting and the online quality monitoring of relatively realization axle riveting hub-bearing unit of displacement curve correlative of CCP with actual measurement.
Desirable axial riveting force and main shaft displacement curve and CCP, riveting force and main shaft displacement curve CCP correlativity bound be can show on the screen, and in the same coordinate system system, axial riveting force and main shaft displacement curve in the riveting process of assembling shown in real time.The screen that shows usefulness adopts LCDs, and operation can be carried out respectively through keyboard and mouse.
The hub-bearing unit of needs tests is placed in the spacer shell of pressure transducer and position; The axial riveting force signal transition becomes voltage signal; Proofread and correct and amplification through transmitter one, and be sent to capture card to the analog quantity after correction and the amplification, be sent to industrial computer after changing through the A/D modular converter; Displacement transducer adopts the grating chi, characterizes the die displacement through the displacement of test machine tool chief axis; After the beginning of riveting dress, begin to gather riveting force and displacement data, SF is no less than 60 times.
Data acquisition module through the quality monitoring module is in axle riveting process, and reading of data from the A/D translation interface of data collecting card comprises real-time axial riveting force, main shaft shift value; Online display module shows a riveting data in real time, i.e. time and main shaft displacement curve, axial riveting force and main shaft displacement curve; Data processing module carries out the filtering noise reduction process to time and main shaft displacement curve, axial riveting force and the main shaft displacement curve that reads; Extract axial riveting force and main shaft displacement curve CCP information; CCP to extracting is analyzed, and confirms the CCP correlation information; The on-line monitoring module judges that according to riveting force and main shaft displacement CCP information and CCP correlation information whether the hub-bearing unit quality is qualified, if defective, then gives the alarm; After on-line monitoring was accomplished, data storage module was started working, and the data of gathering and preserving in this secondary axes riveting process are saved in the system disk and set up archives, supplied to inquire about and analysis in the future.
The parameter setting comprises the cryptoguard of login setting, system, the input of product parameters, the definite and modification of controlled variable.
Statistical study comprises that the statistic of attribute module carries out statistic of attribute to the product of different model, different batches; The quality analysis module is carried out quality analysis to draw cake chart and histogram of the data of adding up; The data query module is implemented in the data query function, and the production curve before making can reproduce out, and helps the operator to search product quality reasons.
Said industrial computer adopts the above CPU of P42.0G, more than the internal memory 2G, more than the hard disk 250G, selects Windows XP operating system for use;
Said capture card is selected 16 capture cards of 8 passages for use, more than the SF 200kS/s;
Said displacement transducer is fixed on the lathe through the support parallel with machine tool chief axis.
Because native system can carry out real-time measurement to the axial riveting force in the hub-bearing unit axle riveted assembling process; And the contrast through measured result and desired result; Thereby whether the quality of judging riveting dress bearing conformance with standard, guarantees hub-bearing unit product quality consistance; For non-compliant axle riveting hub-bearing unit, can confirm to cause the defective reason of product through riveting force and the displacement data of analyzing actual measurement, for improving technological parameter, die reparation, blank quality diagnosis guidance is provided;
The utility model technological means is simple and easy to do, has positive beneficial technical effects.
Description of drawings
Fig. 1 is the utility model mounting structure synoptic diagram; Riveting machine 1 among the figure, hub-bearing unit 2, spacer shell 3, pressure transducer 4, worktable 5, displacement transducer 6.
Fig. 2 is the utility model system schematic.
Fig. 3 the utility model data processing module block diagram.
Fig. 4 is axial riveting force and displacement curve CCP, the CCP synoptic diagram of actual measurement.
Embodiment
Do further detailed explanation in the face of the embodiment of the utility model down, but the embodiment of the utility model is not limited thereto.
Embodiment
For making a riveted hub-bearing unit have good usability, the axial riveting force-displacement curve in the time of need be to assembling is monitored in real time, has high serviceable life and low working gap scattered error to guarantee an axle riveting hub-bearing unit.
As shown in Figure 1.On riveting machine 1, hub-bearing unit 2 is carried out a riveting assembling, the hub-bearing unit 2 that needs are assembled places the spacer shell 3 of pressure transducer 4 to position, and pressure transducer 4 is fixed on the worktable 5 of riveting machine through spacer shell 3.When the riveting machine main shaft was descending, riveted joint was delivered on the pressure transducer 3 through counterdie the acting force of hub-bearing unit.The pressure signal that produces on the pressure transducer 3 is through sending into entering data collecting card (not shown) after transmitter one amplification and carrying out being input in the industrial computer 5 after the conversion of A/D modular converter.Equally, send into the data collecting card (not shown) after the displacement signal that produces on the displacement transducer 6 amplifies through transmitter two and carry out being input in the industrial computer 5 after the conversion of A/D modular converter.
At riveting machine main shaft sensor installation, the displacement signal that produces when main shaft descends carries out being input in the industrial computer after the A/D conversion through getting into data collecting card and A/D modular converter after variator amplification, the noise reduction like Fig. 1, Fig. 2.Industrial computer shows axial riveting force and main shaft displacement curve in real time on display screen.Article one, riveting force and displacement curve are represented the circulation of riveting dress, in actual riveting process of assembling, when axial riveting force begins image data during greater than certain value.Axial riveting force and displacement curve to actual measurement carry out noise reduction, Filtering Processing, extract the axial riveting force and the main shaft displacement curve CCP information of actual measurement, the key point of extracting is carried out correlativity handle, and obtain correlation information between each CCP.The riveted power of the actual measurement of extracting through Combined Ration and the corresponding CCP information of CCP information of displacement curve with certified products; And the riveted power of the actual measurement of extracting and the corresponding CCP correlation information of CCP correlation information of displacement curve with certified products; Whether the hub-bearing unit of judging the riveting dress is qualified; If defective, then system can sound the alarm.With riveting force and the displacement curve of actual measurement and evaluation result through data memory module, in order to the usefulness of statistic of attribute, quality analysis, data query.
Like Fig. 2, shown in Figure 3.Data acquisition module through the quality monitoring module is in axle riveting process, and reading of data from the A/D translation interface of data collecting card comprises real-time axial riveting force, main shaft shift value; Online display module shows a riveting data in real time, i.e. time and main shaft displacement curve, axial riveting force and main shaft displacement curve; Data processing module carries out the filtering noise reduction process to time and main shaft displacement curve, axial riveting force and the main shaft displacement curve that reads; Extract axial riveting force and main shaft displacement curve CCP information; CCP to extracting is analyzed, and confirms the CCP correlation information; The on-line monitoring module judges that according to riveting force and main shaft displacement CCP information and CCP correlation information whether the hub-bearing unit quality is qualified, if defective, then gives the alarm; After on-line monitoring was accomplished, data storage module was started working, and the data of gathering and preserving in this secondary axes riveting process are saved in the system disk and set up archives, supplied to inquire about and analysis in the future.
The parameter setting comprises the cryptoguard of login setting, system, the input of product parameters, the definite and modification of controlled variable.
Statistical study comprises that the statistic of attribute module carries out statistic of attribute to the product of different model, different batches; The quality analysis module is carried out quality analysis to draw cake chart and histogram of the data of adding up; The data query module is implemented in the data query function, and the production curve before making can reproduce out, and helps the operator to search product quality reasons.
Fig. 4 is the CCP of axial riveting force-displacement curve, the CCP synoptic diagram of actual measurement
Wherein A, B, C, D, E are the CCPs of actual measurement riveting force and displacement curve;
Wherein A ', B ', C ', D ', E ' are the CCP lower limits of riveting force and displacement curve;
Wherein A ", B ", C ", D ", E " are the CCP upper limits of riveting force and displacement curve.
Just can realize the utility model preferably as stated.
Claims (7)
1. the axle riveting hub-bearing unit supervisory system of axial riveting force and displacement is characterized in that: comprise pressure transducer, transmitter one, displacement transducer, transmitter two, A/D modular converter, industrial computer, data processing module; Said pressure transducer, transmitter one connect successively; Said displacement transducer, transmitter two connect successively; Said transmitter one, transmitter two are connected with the A/D modular converter respectively, and said A/D modular converter, industrial computer, data processing module connect successively.
2. system according to claim 1 is characterized in that: said data processing module comprises that parameter is provided with module, quality monitoring module, statistical analysis module.
3. system according to claim 2 is characterized in that: said parameter is provided with module and comprises and be used to be provided with that module, product parameters are provided with module, controlled variable is provided with module.
4. system according to claim 3 is characterized in that: said quality monitoring module comprises that curve bound and reference mark review one's lessons by oneself positive module, data acquisition module, data memory module, the online display module of curve, on-line monitoring module.
5. system according to claim 4 is characterized in that: said controlled variable is provided with module and comprises statistic of attribute module, quality analysis module, data query module.
6. system according to claim 5 is characterized in that: said pressure transducer adopts the radial pressure transducer.
7. system according to claim 6 is characterized in that: said displacement transducer adopts the raster pattern sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201120322883XU CN202472350U (en) | 2011-08-31 | 2011-08-31 | Axial riveting wheel hub bearing unit monitor system of axial riveting force-displacement |
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CN201120322883XU CN202472350U (en) | 2011-08-31 | 2011-08-31 | Axial riveting wheel hub bearing unit monitor system of axial riveting force-displacement |
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CN202472350U true CN202472350U (en) | 2012-10-03 |
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CN201120322883XU Expired - Fee Related CN202472350U (en) | 2011-08-31 | 2011-08-31 | Axial riveting wheel hub bearing unit monitor system of axial riveting force-displacement |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102323059A (en) * | 2011-08-31 | 2012-01-18 | 华南理工大学 | The axle riveting hub-bearing unit supervisory system and the method for axial riveting force and displacement |
US20120167366A1 (en) * | 1997-07-21 | 2012-07-05 | Newfrey Llc | Riveting system and process for forming a riveted joint |
CN106871846A (en) * | 2016-12-30 | 2017-06-20 | 韶关学院 | The online direct measuring method of negative clearance when a kind of hub-bearing unit riveted is assembled |
-
2011
- 2011-08-31 CN CN201120322883XU patent/CN202472350U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120167366A1 (en) * | 1997-07-21 | 2012-07-05 | Newfrey Llc | Riveting system and process for forming a riveted joint |
US9015920B2 (en) * | 1997-07-21 | 2015-04-28 | Newfrey Llc | Riveting system and process for forming a riveted joint |
CN102323059A (en) * | 2011-08-31 | 2012-01-18 | 华南理工大学 | The axle riveting hub-bearing unit supervisory system and the method for axial riveting force and displacement |
CN106871846A (en) * | 2016-12-30 | 2017-06-20 | 韶关学院 | The online direct measuring method of negative clearance when a kind of hub-bearing unit riveted is assembled |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20130831 |