CN107314752A - Stationary center device for accurate measurement machine - Google Patents
Stationary center device for accurate measurement machine Download PDFInfo
- Publication number
- CN107314752A CN107314752A CN201710623553.6A CN201710623553A CN107314752A CN 107314752 A CN107314752 A CN 107314752A CN 201710623553 A CN201710623553 A CN 201710623553A CN 107314752 A CN107314752 A CN 107314752A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- stationary center
- accurate measurement
- top main
- measurement machine
- 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
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 20
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 230000004888 barrier function Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
Abstract
The present invention relates to a kind of stationary center device for accurate measurement machine, including Finial device support, it is characterized in that：Top main shaft is rotatablely installed by high-precision crossed roller bearing on the Finial device support, the inner ring of high-precision crossed roller bearing is connected with top main shaft, the outer ring of high-precision crossed roller bearing and the upper hole end surface of Finial device support are connected, and detachably install top in the upper end of top main shaft；The stationary center motor cabinet on the Finial device support, fixes motor on top motor cabinet, and the hypomere of the output shaft of motor and top main shaft passes through high-precision yielding coupling progress direct connection.The present invention is simple in construction, and precision is high, and top stationarity is good.
Description
Technical field
The present invention relates to a kind of stationary center device for accurate measurement machine, belong to field of mechanical technique.
Background technology
Whether machine components qualified, it is necessary in part process or part machine after measure, measure
Size and tolerance reach that requirement is certified products.It is greatly axial workpiece to have in machine components, is carrying out axial workpiece survey
To be used during amount it is top come support shaft, so the top use in measuring instrument is widely.It is top to be generally employed in pairs, one
Individual is stationary center, and one is rolling center.There are many problems in the conventional stationary center device of current measuring machine：Structure is answered
Miscellaneous, requirement on machining accuracy is high, and matching requirements are high, and thimble changes inconvenience etc.；Especially would generally when designing stationary center device
In order to reduce the structure size of Finial device, motor output shaft and it is top between can select to connect by belt or gear, it is this
Design can make it is top by side force so that influence rotate stationarity, top precision can be reduced.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art to be pushed up there is provided a kind of for the fixed of accurate measurement machine
Sharp device, simple in construction, precision is high, and top stationarity is good.
The technical scheme provided according to the present invention, the stationary center device for accurate measurement machine, including top dress
Support is put, it is characterized in that：Top main shaft is rotatablely installed by high-precision crossed roller bearing on the Finial device support, it is high
The inner ring of precision crossed roller bearing is connected with top main shaft, outer ring and the Finial device support of high-precision crossed roller bearing
Upper hole end surface is connected, and detachably installs top in the upper end of top main shaft；The fixed top on the Finial device support
Sharp motor cabinet, fixes motor on top motor cabinet, and the hypomere of the output shaft of motor and top main shaft passes through high-precision elasticity
Shaft coupling carries out direct connection.
Further, grating disk, grating disk and top are installed on the lower surface of the intermediate cylindrical of the top main shaft
Sharp main shaft is fixed, and grating is posted in the card of grating disk, and the grating that reading is carried out to grating is set in grating disk side
Reading head.
Further, the top upper end that top main shaft is arranged on by bolt.
Further, the grating reading head is arranged on light barrier holder, and light barrier holder is adjustable to be arranged on top dress
Put on support.
Further, the light barrier holder is bolted by two supporting plates and formed.
Further, bolt quantity is 4 when the top main shaft is with top connection, circumferential uniform point along top main shaft
Cloth.
Further, it is provided with oil sealing at the top main shaft with high-precision crossed roller bearing.
Further, the Finial device support is bolted on platform.
The present invention has advantages below：
（1）Using high-precision crossed roller bearing between top main shaft and Finial device support, top main shaft support is high-precision
Spend on crossed roller bearing, to ensure the axially and radially bounce precision of stationary center；
（2）Top and top main shaft uses replaceable structure, when it is top have abrasion when, be conveniently replaceable top, facilitate top
Change；
（3）Grating disk is installed in top spindle nose, is fixedly connected by screw, grating is installed on Finial device support and read
Upper margin carries out non-contact reading to grating disk, to obtain top accurate location and rotating speed etc.；
（4）Motor is carried out direct-connected with top main shaft by yielding coupling, and top main shaft is connected with top by fastening bolt, energy
Enough ensure the stable drive of top main shaft.
Brief description of the drawings
Fig. 1 is the structural representation of the stationary center device of the present invention for accurate measurement machine.
Fig. 2 is the sectional view of the stationary center device of the present invention for accurate measurement machine.
Description of reference numerals：1- is top, the high-precision crossed roller bearings of 2-, 3- Finial devices support, 4- gratings disk, 5-
Yielding coupling, 6- motors, the top motor cabinets of 7-, 8- light barrier holders, 9- grating reading heads, the top main shafts of 10-.
Embodiment
With reference to specific accompanying drawing, the invention will be further described.
As shown in Figure 1 and Figure 2, the stationary center device of the present invention for accurate measurement machine includes Finial device support
3, Finial device support 3 is bolted on platform, passes through high-precision crossed roller bearing 2 on Finial device support 3
Top main shaft 10 is rotatablely installed, high-precision crossed roller bearing 2 is arranged on the upper hole end surface of Finial device support 3, high accuracy
The inner ring of crossed roller bearing 2 is connected by bolt with top main shaft 10, the outer ring of high-precision crossed roller bearing 2 and top dress
The upper hole end surface for putting support 3 is bolted fixation；It can ensure that top main shaft 10 is rotated well using above-mentioned connected mode
When stability, reduce the possibility that top main shaft 10 shifts；Installed in the upper end of the top main shaft 10 by bolt
Top 1, it is conveniently replaced when top 1 serious wear；Top motor is bolted on the Finial device support 3
Seat 7, is bolted motor 6 on top motor cabinet 7, and the hypomere of the output shaft of motor 6 and top main shaft 10 passes through high-precision
The yielding coupling 5 of degree carries out direct connection, for transmitting moment of torsion, and motor 6 will not cause side force when rotating to top main shaft 10, because
This can keep stability of rotation.
Grating disk 4 is installed on the lower surface of the intermediate cylindrical of the top main shaft 10, grating disk 4 by screw with
Top main shaft 10 is fixed, and grating is posted in the card of grating disk 4, can be with grating disk 4 when top main shaft 10 is rotated
Rotate, the grating reading head 9 of the side of grating disk 4 can carry out reading to the grating on grating disk 4, reach the mesh of measurement rotating speed
's；The grating reading head 9 is arranged on light barrier holder 8, and light barrier holder 8 is bolted on Finial device support 3, light
Grid support 8 is bolted by two supporting plates and formed, in order to adjust the position of grating reading head 9.
Described top 1, the connection of high-precision crossed roller bearing 2 and top main shaft 10, can on the basis of top main shaft 10
To greatly improve precision；When the top main shaft 10 is connected with miscellaneous part, bolt or screw number are generally 4 along top master
Axle 10 is circumferential to be uniformly distributed appropriate, and less than two connections are unstable, and the stability of rotation can be influenceed too much；In use, on top
Sharp main shaft 10 prevents oil leakage with being provided with oil sealing at high-precision crossed roller bearing 2.
The installation steps sequencing of stationary center device of the present invention for accurate measurement machine is：Finial device machine
Seat 3, high-precision crossed roller bearing 2, top main shaft 10, grating disk 4, yielding coupling 5, top motor cabinet 7, motor 6, light
Grid support 8, grating reading head 9, top 1.When changing top 1, it need to only turn between top 1 and top main shaft 10 on bolt
Nut, nut is tightened after changing new top 1.
Stationary center device of the present invention for accurate measurement machine, is in analyzing influence stationary center device precision
On the basis of various factors, simplifying for being carried out to stationary center apparatus structure is designed, and the stationary center device precision is up to 1 μ grades, top
Sharp stationarity is good, and rotating speed and position can be surveyed.
Claims (8)
1. a kind of stationary center device for accurate measurement machine, including Finial device support（3）, it is characterized in that：On the top
Sharp device support（3）It is upper to pass through high-precision crossed roller bearing（2）It is rotatablely installed top main shaft（10）, high-precision crossed roller axle
Hold（2）Inner ring and top main shaft（10）Connection, high-precision crossed roller bearing（2）Outer ring and Finial device support（3）'s
Upper hole end surface is connected, in top main shaft（10）Upper end detachably install top（1）；In the Finial device support
（3）Upper stationary center motor cabinet（7）, in top motor cabinet（7）Upper fixed motor（6）, motor（6）Output shaft and top main shaft
（10）Hypomere pass through high-precision yielding coupling（5）Carry out direct connection.
2. it is used for the stationary center device of accurate measurement machine as claimed in claim 1, it is characterized in that：In the top main shaft
（10）Intermediate cylindrical lower surface on install grating disk（4）, grating disk（4）With top main shaft（10）It is fixed, in grating
Disk（4）Card on post grating, in grating disk（4）Side sets the grating reading head that reading is carried out to grating（9）.
3. it is used for the stationary center device of accurate measurement machine as claimed in claim 1 or 2, it is characterized in that：It is described top（1）It is logical
Bolt is crossed installed in top main shaft（10）Upper end.
4. it is used for the stationary center device of accurate measurement machine as claimed in claim 2, it is characterized in that：The grating reading head
（9）It is arranged on light barrier holder（8）On, light barrier holder（8）It is adjustable to be arranged on Finial device support（3）On.
5. it is used for the stationary center device of accurate measurement machine as claimed in claim 4, it is characterized in that：The light barrier holder（8）
It is bolted and is formed by two supporting plates.
6. it is used for the stationary center device of accurate measurement machine as claimed in claim 3, it is characterized in that：The top main shaft（10）
With it is top（1）Bolt quantity is 4 during connection, along top main shaft（10）Circumferentially it is uniformly distributed.
7. it is used for the stationary center device of accurate measurement machine as claimed in claim 1 or 2, it is characterized in that：In the top master
Axle（10）With high-precision crossed roller bearing（2）Place is provided with oil sealing.
8. it is used for the stationary center device of accurate measurement machine as claimed in claim 1, it is characterized in that：The Finial device support
（3）It is bolted on platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710623553.6A CN107314752A (en) | 2017-07-27 | 2017-07-27 | Stationary center device for accurate measurement machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710623553.6A CN107314752A (en) | 2017-07-27 | 2017-07-27 | Stationary center device for accurate measurement machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107314752A true CN107314752A (en) | 2017-11-03 |
Family
ID=60169906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710623553.6A Pending CN107314752A (en) | 2017-07-27 | 2017-07-27 | Stationary center device for accurate measurement machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107314752A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974642A (en) * | 2019-05-06 | 2019-07-05 | 广西玉柴机器股份有限公司 | A kind of dual-purpose top component of measuring machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1016539A (en) * | 1950-04-21 | 1952-11-14 | Method of fixing a rotating part on a machine tool, and a rotating counterpoint for the implementation of this method | |
| CN101298126A (en) * | 2008-06-30 | 2008-11-05 | 河南活顶尖机械有限公司 | Changeable built-in live center |
| CN101608933A (en) * | 2009-07-10 | 2009-12-23 | 贵阳新天光电科技有限公司 | High-precision angular indexing dynamic measuring spindle system |
| CN102072261A (en) * | 2010-12-21 | 2011-05-25 | 东莞市源兴光学仪器有限公司 | High-precision rotator |
| CN202606863U (en) * | 2012-05-18 | 2012-12-19 | 东莞市伺鑫机械科技有限公司 | Hollow main shaft cutting lathe of servo motor |
| CN203936685U (en) * | 2014-06-10 | 2014-11-12 | 江苏瑞普机床有限公司 | A kind of rotary jig device |
| CN104493210A (en) * | 2014-12-08 | 2015-04-08 | 重庆第二机床厂有限责任公司 | High-speed rotation tailstock mechanism |
| CN206919862U (en) * | 2017-07-27 | 2018-01-23 | 绍兴柯桥普利欣精密仪器有限公司 | Stationary center device for accurate measurement machine |
-
2017
- 2017-07-27 CN CN201710623553.6A patent/CN107314752A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1016539A (en) * | 1950-04-21 | 1952-11-14 | Method of fixing a rotating part on a machine tool, and a rotating counterpoint for the implementation of this method | |
| CN101298126A (en) * | 2008-06-30 | 2008-11-05 | 河南活顶尖机械有限公司 | Changeable built-in live center |
| CN101608933A (en) * | 2009-07-10 | 2009-12-23 | 贵阳新天光电科技有限公司 | High-precision angular indexing dynamic measuring spindle system |
| CN102072261A (en) * | 2010-12-21 | 2011-05-25 | 东莞市源兴光学仪器有限公司 | High-precision rotator |
| CN202606863U (en) * | 2012-05-18 | 2012-12-19 | 东莞市伺鑫机械科技有限公司 | Hollow main shaft cutting lathe of servo motor |
| CN203936685U (en) * | 2014-06-10 | 2014-11-12 | 江苏瑞普机床有限公司 | A kind of rotary jig device |
| CN104493210A (en) * | 2014-12-08 | 2015-04-08 | 重庆第二机床厂有限责任公司 | High-speed rotation tailstock mechanism |
| CN206919862U (en) * | 2017-07-27 | 2018-01-23 | 绍兴柯桥普利欣精密仪器有限公司 | Stationary center device for accurate measurement machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974642A (en) * | 2019-05-06 | 2019-07-05 | 广西玉柴机器股份有限公司 | A kind of dual-purpose top component of measuring machine |
| CN109974642B (en) * | 2019-05-06 | 2024-02-09 | 广西玉柴机器股份有限公司 | Dual-purpose center assembly for measuring machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |