CN206919862U - Stationary center device for accurate measurement machine - Google Patents
Stationary center device for accurate measurement machine Download PDFInfo
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- CN206919862U CN206919862U CN201720921590.0U CN201720921590U CN206919862U CN 206919862 U CN206919862 U CN 206919862U CN 201720921590 U CN201720921590 U CN 201720921590U CN 206919862 U CN206919862 U CN 206919862U
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- main shaft
- stationary center
- accurate measurement
- measurement machine
- top main
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Abstract
A kind of stationary center device for accurate measurement machine, including Finial device support are the utility model is related to, 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 are detachably installed in the upper end of top main shaft top；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 carries out direct connection by high-precision yielding coupling.The utility model is simple in construction, and precision is high, and top stationarity is good.
Description
Technical field
A kind of stationary center device for accurate measurement machine is the utility model is related to, belongs to field of mechanical technique.
Background technology
Whether machine components qualified, it is necessary in part process or part machine after measure, measure
It is certified products that size and tolerance, which reach requirement,.It is greatly axial workpiece to have in machine components, is carrying out axial workpiece survey
During amount will using it is top come support shaft, so the top use in measuring instrument is very extensive.It is top to be generally employed in pairs, one
Individual is stationary center, and one is rolling center.At present there are many problems in the conventional stationary center device of 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 top by side force, so as to influence the stationarity rotated, can reduce top precision.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of consolidating for accurate measurement machine
Determine Finial device, simple in construction, precision is high, and top stationarity is good.
According to technical scheme provided by the utility model, the stationary center device for accurate measurement machine, including top
Sharp device support, it is characterized in that：Top master is rotatablely installed by high-precision crossed roller bearing on the Finial device support
Axle, the inner ring of high-precision crossed roller bearing are connected with top main shaft, the outer ring of high-precision crossed roller bearing and Finial device
The upper hole end surface of support is connected, and is detachably installed in the upper end of top main shaft top；On the Finial device support
Stationary center motor cabinet, fixes motor on top motor cabinet, and the hypomere of the output shaft of motor and top main shaft passes through high accuracy
Yielding coupling carry 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, the top main shaft and bolt quantity during top connection are 4, are uniformly divided along top main shaft is circumferential
Cloth.
Further, it is provided with oil sealing at the top main shaft and high-precision crossed roller bearing.
Further, the Finial device support is bolted on platform.
The utility model has advantages below：
（1）High-precision crossed roller bearing is used between top main shaft and Finial device support, top main shaft support exists
On high-precision 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, convenient top
The replacing of point；
（3）Grating disk is installed in top spindle nose, is fixedly connected by screw, light is installed on Finial device support
Grid read head to grating disk progress non-contact reading, 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
Connect, the stable drive of top main shaft can be ensured.
Brief description of the drawings
Fig. 1 is the structural representation of the stationary center device described in the utility model for accurate measurement machine.
Fig. 2 is the sectional view of the stationary center device described in the utility model 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 utility model is described in further detail.
As shown in Figure 1 and Figure 2, the stationary center device described in the utility model for accurate measurement machine includes Finial device
Support 3, Finial device support 3 are bolted on platform, pass through high-precision crossed roller axle on Finial device support 3
The top main shaft 10 of 2 rotational installations is held, high-precision crossed roller bearing 2 is arranged on the upper hole end surface of Finial device support 3, high-precision
Degree crossed roller bearing 2 inner ring be connected by bolt with top main shaft 10, the outer ring of high-precision crossed roller bearing 2 with it is top
The upper hole end surface of device support 3 is bolted fixation；Top 10 turns of main shaft can be ensured well using above-mentioned connected mode
Stability when dynamic, reduces the possibility that top main shaft 10 shifts；Pacified in the upper end of the top main shaft 10 by bolt
Top 1 is filled, it is conveniently replaced when top 1 serious wear；Top electricity is bolted on the Finial device support 3
Support 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 height
The yielding coupling 5 of precision carries out direct connection, and for transmitting moment of torsion, motor 6 will not cause side force when rotating to top main shaft 10,
Therefore stability of rotation can be kept.
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 rotates
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, can influence the stability of rotation too much；In use, pushing up
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 described in the utility model for accurate measurement machine is：Top dress
Put support 3, high-precision crossed roller bearing 2, top main shaft 10, grating disk 4, yielding coupling 5, top motor cabinet 7, motor
6th, light barrier holder 8, grating reading head 9, top 1.When changing top 1, only bolt between top 1 and top main shaft 10 need to be turned on
On nut, tighten nut after changing new top 1.
Stationary center device described in the utility model for accurate measurement machine, it is in analyzing influence stationary center device essence
On the basis of the various factors of degree, simplifying for being carried out to stationary center apparatus structure designs, and the stationary center device precision is up to 1 μ
Level, top 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 it is 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
Cross bolt and be arranged on 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 |
|---|---|---|---|
| CN201720921590.0U CN206919862U (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 |
|---|---|---|---|
| CN201720921590.0U CN206919862U (en) | 2017-07-27 | 2017-07-27 | Stationary center device for accurate measurement machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206919862U true CN206919862U (en) | 2018-01-23 |
Family
ID=61348473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720921590.0U Active CN206919862U (en) | 2017-07-27 | 2017-07-27 | Stationary center device for accurate measurement machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206919862U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314752A (en) * | 2017-07-27 | 2017-11-03 | 绍兴柯桥普利欣精密仪器有限公司 | Stationary center device for accurate measurement machine |
| 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 |
-
2017
- 2017-07-27 CN CN201720921590.0U patent/CN206919862U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314752A (en) * | 2017-07-27 | 2017-11-03 | 绍兴柯桥普利欣精密仪器有限公司 | Stationary center device for accurate measurement machine |
| 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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