CN206709720U - The clamping workpiece device of microspheres circularity non-cpntact measurement - Google Patents
The clamping workpiece device of microspheres circularity non-cpntact measurement Download PDFInfo
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- CN206709720U CN206709720U CN201720247890.5U CN201720247890U CN206709720U CN 206709720 U CN206709720 U CN 206709720U CN 201720247890 U CN201720247890 U CN 201720247890U CN 206709720 U CN206709720 U CN 206709720U
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- microspheres
- hole
- central
- air pump
- circularity
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- 239000004005 microsphere Substances 0.000 title claims abstract description 44
- 238000005259 measurement Methods 0.000 title claims abstract description 26
- 239000000523 sample Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of clamping workpiece device of microspheres circularity non-cpntact measurement, including fixture column cap, the bottom of the fixture column cap is arranged on rotation scroll chuck, the station groove for placing microspheres to be measured is provided with the top of the fixture column cap, the side of the station groove is provided with laser probe, the fixture column cap is provided with central through hole, the top of the central through hole communicates with the station trench bottom, the central through hole lower part outlet is connected by airway tube with air pump, the air pump is provided with air pump pressure switch, when pressure reaches the setting value of air pump pressure switch, it is placed on the microspheres to be measured of station groove and central through hole cavity forms negative pressure state so that microspheres to be measured are pressed in the station groove.The utility model provides a kind of clamping workpiece device for effectively reducing microspheres circularity non-cpntact measurement vibrated and that rotation is disturbed, precision is higher.
Description
Technical field
Microspheres circularity non-cpntact measurement field is the utility model is related to, is justified more specifically to a kind of microspheres
Spend the clamping workpiece device of non-cpntact measurement.
Background technology
Develop with the electronic product in each field to miniaturization, precise treatment direction, as high-precision micro milling machine, automobile using are prevented
Locking brake system (ABS), hard disc of computer, digital camera, micromachine etc., its rotating moving part are required for using high property
Energy miniature bearing carrys out control device volume and ensures its precision, performance, life and reliability.
Microspheres are the elements of miniature bearing most critical, and its precision (mainly including surface quality and circularity) is to micro-
Type bearing movable precision and service life have vital influence, are the most important thing base components of equipment.
Currently for circularity measurement use at most and it is most accurate or use that laser measures it is a kind of non-
The circularity non-contact measuring instrument of contact type measurement, its course of work are that microspheres 8 to be measured are placed in the taper of cylinder top end face
Kong Shang, clamping workpiece device clamping is in the rotary triangle chuck 6 on circularity non-contact measuring instrument, beats laser during measurement and is treating
The surface of micrometer spherula 8, then clamping workpiece device is driven to rotate by rotating scroll chuck 6 so that laser is beaten on sphere
Point in the circular surface topography sample of the surface of ball extraction, data meter is carried out by the information entrained by the light that reflects
Point counting is analysed with processing so as to draw required circularity.
But existing circularity non-contact measuring instrument is mounted in a bellmouth when measuring bigger spheroid by gravity completely
On, and microspheres are because the small inertia of its quality is small, vibration to detecting instrument and rotate more sensitive, such as not plus load reality
Now clamp, microspheres caused by the vibration or centrifugal force when being rotated when measuring due to clamping workpiece device are recessed in taper
Vibration or skew in groove and then the circularity finally measured can be influenceed.
Therefore, it is necessary to which a fixture is fixed by applying clamping force, the fixture is to there is non-magnetic microspheres equal
Clamping force can be provided, and other interference will not be introduced and influenceed.
The content of the invention
Easily vibrated and rotation interference, precision are relatively low during in order to overcome existing microspheres circularity non-cpntact measurement
Deficiency, the utility model provide it is a kind of effectively reduce it is vibrated and rotate interference, precision it is higher microspheres circularity it is non-
The clamping workpiece device of contact measurement.
Technical scheme is used by the utility model solves its technical problem：
A kind of clamping workpiece device of microspheres circularity non-cpntact measurement, including fixture column cap, the fixture column cap
Bottom is arranged on rotation scroll chuck, and the station groove for placing microspheres to be measured is provided with the top of the fixture column cap,
The side of the station groove is provided with laser probe, and the fixture column cap is provided with central through hole, the top of the central through hole and institute
State station trench bottom to communicate, the central through hole lower part outlet is connected by airway tube with air pump, and the air pump is provided with air pump pressure
Power switchs, and when pressure reaches the setting value of air pump pressure switch, is placed on the microspheres and central through hole to be measured of station groove
Cavity forms negative pressure state and microspheres to be measured is pressed in the station groove.
Further, the fixture column cap includes upper column head 1 and lower prop 2, and the upper column head 1 is provided with central through hole, institute
The top end face center for stating upper column head 1 is provided with station groove, and bottom and the lower prop of the upper column head 1 are tightly connected；Under described
Cylinder 2 is provided with lower central through hole, and the upper central through hole connects with lower central through hole, and the lower prop 2 is provided with lower part outlet, institute
The bottom for stating lower prop 2 is arranged on 6 on the rotation scroll chuck.
The bottom of the upper column head 1 is provided with internal thread, and the top of the lower prop 2, which is provided with, to be used to connect the outer of upper column head 1
Screw thread, the bottom of the lower column cap are provided with interior connection screw thread, and interior connection screw thread interior sealing is installed for sealing lower central through hole
Attachment screw.
On rotation scroll chuck, the power line of the air pump 4 is arranged on conducting slip ring 3, described for the air pump installation 4
Conducting slip ring 33 is arranged on lower prop 2.
The station groove is conical socket.It is of course also possible to it is other shapes, as long as can be with microspheres to be measured
Match somebody with somebody.
In the utility model, microspheres 8 to be measured are placed on the bellmouth of fixture column cap, opened in clamping workpiece device
There is central through hole to be communicated with bellmouth；Before measurement, spheroid to be measured is placed on the bellmouth on clamping workpiece device top, air pump leads to
Cross airway tube to be evacuated from clamping workpiece device central through hole, make microspheres 8 with being formed in the aspirating hole cavity of holder contacts
Negative pressure state, microspheres 8 to be measured are pressed on bellmouth under atmospheric pressure, what rotating band came when reducing detection shakes
The interference of dynamic or centrifugal force.When air pressure is less than air pump pressure switch rated value in clamping workpiece device aspirating hole, air pump 4 stops work
To make, rotation scroll chuck 6 rotates with air pump 4, clamping workpiece device and tested microspheres 8 and carries out circularity non-contact detecting,
Conducting slip ring 3 prevents the power line 10 of air pump 4 from being wound on clamping workpiece device.So as to obtain, the accurate circularity of microspheres is non-to be connect
Touch measurement result.
The beneficial effects of the utility model are mainly manifested in：Simple and compact for structure, production cost is low, and function is easily achieved；
It can effectively realize and it be stepped up when measuring microspheres to reduce or remit in measurement because vibration or position are offset not
The unnecessary influence determined and brought to measurement result, so as to obtain accurate circularity non-cpntact measurement result.
Brief description of the drawings
Fig. 1 is the schematic diagram of the clamping workpiece device of microspheres circularity non-cpntact measurement.
Fig. 2 is the schematic diagram of upper column head.
Fig. 3 is the schematic diagram of lower prop.
In Fig. 1,1- upper column heads, 2- lower props, 3- conducting slip rings, 4- air pumps, 5- air pumps pressure switch, 6- rotation three-jaw cards
Disk, 7- laser probes, 8- microspheres to be measured, 9- airway tubes, 10- electric leads.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
1~Fig. 3 of reference picture, a kind of clamping workpiece device of microspheres circularity non-cpntact measurement, including fixture column cap, institute
The bottom for stating fixture column cap is arranged on rotation scroll chuck 6, is provided with the top of the fixture column cap to be measured small for placing
The station groove of spheroid 8, the side of the station groove are provided with laser probe 7, and the fixture column cap is provided with central through hole, the center
The top of through hole is communicated with the station trench bottom, and the central through hole lower part outlet is connected by airway tube 10 with air pump 4, institute
State air pump 4 and be provided with air pump pressure switch 5, when pressure reaches the setting value of air pump pressure switch 5, be placed on the to be measured of station groove
Microspheres form negative pressure state with central through hole cavity and microspheres to be measured are pressed in the station groove.
Further, the fixture column cap includes upper column head 1 and lower prop 2, and the upper column head 1 is provided with central through hole, institute
The top end face center for stating upper column head 1 is provided with station groove, and the bottom of the upper column head 1 is tightly connected with the lower prop 2；Under described
Cylinder 2 is provided with lower central through hole, and the upper central through hole connects with lower central through hole, and the lower prop 2 is provided with lower part outlet, institute
The bottom for stating lower main body is arranged on the rotation scroll chuck 6.
The bottom of the upper column head 1 is provided with internal thread, and the top of the upper column head 1 is provided with the outer spiral shell for being used for connecting upper column head
Line, the bottom of the lower prop 2 are provided with interior connection screw thread, and interior connection screw thread interior sealing installs the company for sealing lower central through hole
Connect screw.
The air pump 4 is arranged on rotation scroll chuck 6, and the power line of the air pump 4 is arranged on conducting slip ring 3, institute
Conducting slip ring 3 is stated on lower prop 2.
The station groove is conical socket.It is of course also possible to it is other shapes, as long as can be with microspheres to be measured
Match somebody with somebody.
The upper column head 1 is provided with central through hole, and there is a conical socket at top end face center, bottom be provided with internal thread hole be used for
The sealed connection of lower prop 2, the internal diameter of upper central through hole and the coning angle of cone tank and opening diameter can be according to actually treating
Micrometer spherula determines can there is more set upper column heads 1 for same set of lower prop 2；The lower prop 2 is provided with lower central through hole, under
There is external screw thread at the top of cylinder 2 for connecting upper column head 1, and there is internal thread lower prop bottom with attachment screw center seal through hole,
The side of lower prop 2 is provided with hole connection central through hole and is provided with internal thread for connecting air pump 4；The conducting slip ring 3 is provided with
Centre bore, it is installed on cylinder top.
Further, the coning angle of the conical socket of the top end face of upper column head 1 and opening diameter can be according to actual to be measured small
The sphere diameter of spheroid 8 determines that upper column head 1 is connected with lower prop 2 by thread seal, and both of which is provided with central through hole, and pore size is not
It is required that it is consistent, it can be determined respectively according to the sphere diameter of spheroid 8 to be measured.
The air that the air pump 4 is mainly used in taking away in fixture aspirating hole reaches certain vacuum, in small ball to be measured
The top and bottom of body 8 produce pressure difference, and then produce a thrust, and the size of the thrust is mainly controlled by air pump pressure switch
System and regulation.
Conducting slip ring 3 is housed, the conducting slip ring 3 is provided with centre bore and is installed on lower prop 2 on the lower prop 2
Portion, for connecting power supply and air pump 4, realize the rotation connection of wire, air pump 4 together rotates with clamping workpiece device during measurement
Meanwhile air pump 4 still can keep good on-state with power supply.
In use, small ball to be measured is placed in the conical socket of fixture column cap, pumping is provided with clamping workpiece device
Hole, before starting measurement, air pump 4 is connected, the air pump pressure switch 5 at air pump air inlet is placed at certain rated value, from workpiece
It is evacuated in clamping device aspirating hole, negative pressure is formed in the aspirating hole cavity that microspheres 8 to be measured contact with clamping workpiece device
State, microspheres 8 to be measured are pressed in conical socket under atmospheric pressure, treat gas in clamping workpiece device aspirating hole
When pressure reaches rated value, air pump 4 is stopped, and then can begin through rotary work-table gathered data and measure.
Above-described embodiment is a kind of embodiment of the present utility model, is not the limit to technical solutions of the utility model
System, although object is to be directed to microspheres but actually dimensionally have no limitation, as long as be without creative work
The technical scheme that can be realized on the basis of above-described embodiment, it is regarded as falling into the rights protection scope of the utility model patent
It is interior.
Claims (5)
1. a kind of clamping workpiece device of microspheres circularity non-cpntact measurement, including fixture column cap, under the fixture column cap
Portion is arranged on rotation scroll chuck, and the station groove for placing microspheres to be measured, institute are provided with the top of the fixture column cap
The side for stating station groove is provided with laser probe, it is characterised in that：The fixture column cap is provided with central through hole, the central through hole
Top is communicated with the station trench bottom, and the central through hole lower part outlet is connected by airway tube with air pump, and the air pump is set
Have air pump pressure switch, when pressure reaches the setting value of air pump pressure switch, be placed on the microspheres to be measured of station groove with
Central through hole cavity forms negative pressure state and microspheres to be measured is pressed in the station groove.
2. the clamping workpiece device of microspheres circularity non-cpntact measurement as claimed in claim 1, it is characterised in that：The folder
Tool column cap includes upper column head and lower prop, and the upper column head is provided with central through hole, and the top end face center of the upper column head is provided with
Station groove, the bottom of the upper column head are tightly connected with the lower prop；The lower prop is provided with lower central through hole, it is described it is upper in
Heart through hole connects with lower central through hole, and the lower prop is provided with lower part outlet, and the bottom of the lower prop is arranged on the rotation
On scroll chuck.
3. the clamping workpiece device of microspheres circularity non-cpntact measurement as claimed in claim 2, it is characterised in that：On described
The bottom of column cap is provided with internal thread, and the top of the upper column head is provided with the external screw thread for being used for connecting upper column head, the lower prop
Bottom is provided with interior connection screw thread, and interior connection screw thread interior sealing installs the attachment screw for sealing lower central through hole.
4. the clamping workpiece device of microspheres circularity non-cpntact measurement as claimed in claim 2, it is characterised in that：The gas
Pump is arranged on rotation scroll chuck, and the power line of the air pump is arranged on conducting slip ring, and the conducting slip ring is arranged on down
On cylinder.
5. the clamping workpiece device of microspheres circularity non-cpntact measurement as claimed in claim 1 or 2, it is characterised in that：Institute
It is conical socket to state station groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720247890.5U CN206709720U (en) | 2017-03-15 | 2017-03-15 | The clamping workpiece device of microspheres circularity non-cpntact measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720247890.5U CN206709720U (en) | 2017-03-15 | 2017-03-15 | The clamping workpiece device of microspheres circularity non-cpntact measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206709720U true CN206709720U (en) | 2017-12-05 |
Family
ID=60470382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720247890.5U Expired - Fee Related CN206709720U (en) | 2017-03-15 | 2017-03-15 | The clamping workpiece device of microspheres circularity non-cpntact measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206709720U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413858A (en) * | 2018-06-07 | 2018-08-17 | 中国计量大学 | A kind of contact ball pen bead sizes form measuring instrument and measurement method |
| CN109277961A (en) * | 2018-08-29 | 2019-01-29 | 南京理工大学 | Microsphere surface defects detection overturns auxiliary device |
| CN110274633A (en) * | 2019-07-18 | 2019-09-24 | 佛山科学技术学院 | A kind of detection device of workpiece ball |
| CN113695647A (en) * | 2021-09-10 | 2021-11-26 | 哈尔滨工业大学 | Process method for machining full-surface micro-pit structure of thin-wall spherical shell type micro component |
-
2017
- 2017-03-15 CN CN201720247890.5U patent/CN206709720U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413858A (en) * | 2018-06-07 | 2018-08-17 | 中国计量大学 | A kind of contact ball pen bead sizes form measuring instrument and measurement method |
| CN109277961A (en) * | 2018-08-29 | 2019-01-29 | 南京理工大学 | Microsphere surface defects detection overturns auxiliary device |
| CN109277961B (en) * | 2018-08-29 | 2020-06-05 | 南京理工大学 | Microsphere surface defect detection overturning auxiliary device |
| CN110274633A (en) * | 2019-07-18 | 2019-09-24 | 佛山科学技术学院 | A kind of detection device of workpiece ball |
| CN113695647A (en) * | 2021-09-10 | 2021-11-26 | 哈尔滨工业大学 | Process method for machining full-surface micro-pit structure of thin-wall spherical shell type micro component |
| CN113695647B (en) * | 2021-09-10 | 2022-06-14 | 哈尔滨工业大学 | Process method for processing full-surface micro-pit structure of thin-wall spherical shell type micro component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20210315 |