CN205799122U - Precision rotating kinematic pair - Google Patents
Precision rotating kinematic pair Download PDFInfo
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- CN205799122U CN205799122U CN201620423097.1U CN201620423097U CN205799122U CN 205799122 U CN205799122 U CN 205799122U CN 201620423097 U CN201620423097 U CN 201620423097U CN 205799122 U CN205799122 U CN 205799122U
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- supporter
- precision rotating
- kinematic pair
- rotating kinematic
- permanent magnetism
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Abstract
This utility model provides a kind of precision rotating kinematic pair.Processing for accurate dottle pin class part, described precision rotating kinematic pair is arranged on described universal grinding machine external, described precision rotating kinematic pair includes the first sliding pair, second sliding pair and permanent magnetism circle sucker, described first sliding pair includes universal external grinder head stock, stationary center and the supporter of one end tool centre bore, the stationary center of universal external grinder head stock holds the centre bore of supporter, described second sliding pair includes supporter and described cylindrical grinder centre frame, the outer cause universal grinding machine external centre frame supporting of described supporter, described permanent magnetism circle sucker is fixing with described supporter to be connected.When this utility model uses, workpiece is easy for installation, owing to the clamping of workpiece is to justify on sucker end face with magnetic-adsorption at permanent magnetism, with the magnetic-adsorption switch on inner hexagon spanner rotary permanent-magnet circle sucker, so that it may so that permanent magnetism circle sucker demagnetization or multiple magnetic, thus can workpiece loading and unloading easily.
Description
[technical field]
This utility model relates to mechanical engineering technical field, particularly relates to a kind of precision rotating kinematic pair.
[background technology]
Along with the fast development of domestic and international middle and high end Digit Control Machine Tool, its speed of mainshaft and rotating accuracy are big
Amplitude improves, and therefore during manufacturing, it is also proposed higher to the accuracy of manufacture of machine tool chief axis
Requirement.In machine tool chief axis axle system, the required precision of main shaft bearing supporting dottle pin class part the most more comes
The highest.
The main precision of accurate dottle pin class part is the depth of parallelism of both ends of the surface, at existing middle and high terminal number
In control Machine Manufacture, this required precision of such part mostly is 0.002～0.005mm.For reaching such
High required precision, although some manufactures producer can use underhand polish after plain grinding, fine grinding
Means remove to process this kind of part, but labor intensity is big, production efficiency is low, and its precision is not easy to protect
Card, is not suitable with requirements of mass production, becomes a difficulty during middle and high end Development of CNC Machine Tools
Point.
[utility model content]
The purpose of this utility model is to provide a kind of precision rotating kinematic pair.
The technical solution of the utility model is as follows:
A kind of precision rotating kinematic pair, for the processing of accurate dottle pin class part, it is characterised in that institute
Stating precision rotating kinematic pair to be arranged on described universal grinding machine external, described precision rotating kinematic pair includes
First sliding pair, the second sliding pair and permanent magnetism circle sucker, described first sliding pair includes that universal cylindrical grinds
Bed head frame, stationary center and the supporter of one end tool centre bore, the fixing top of universal external grinder head stock
The centre bore of supporter is held on pinnacle, and described second sliding pair includes supporter and described cylindrical grinder center
Frame, the outer cause universal grinding machine external centre frame supporting of described supporter, described permanent magnetism circle sucker is with described
Supporter is fixing to be connected.
Preferably, also to include that counterweight ring, described counterweight ring are sheathed on described for described precision rotating kinematic pair
Supporter is near one end of described centre bore.
Preferably, described precision rotating kinematic pair also includes that driver chuck flexible pull wire, described driver chuck elasticity are drawn
Line connects described universal external grinder head stock and described supporter.
Preferably, the end face of accurate dottle pin class part described in described permanent magnetism circle sucker suction.
In sum, the precision rotating kinematic pair that this utility model provides has the effect that
1) workpiece is easy for installation, owing to the clamping of workpiece is with magnetic-adsorption on permanent magnetism circle sucker end face,
With the magnetic-adsorption switch on inner hexagon spanner rotary permanent-magnet circle sucker, so that it may so that permanent magnetism circle sucker moves back
Magnetic or multiple magnetic, thus can workpiece loading and unloading easily.
2) working (machining) efficiency is high, at present, in the manufacture of middle and high end Digit Control Machine Tool, due to its spindle shaft
Hold dottle pin class part and all need equipped axial dimension when assembling, and its required precision is higher, if used
The means of underhand polish go processing, will be time-consuming, delay complete machine final assembly lead time, and this practicality is new
Type process program can be the biggest the saving time, improve work efficiency；
3) Workpiece Machining Accuracy is high, processes every precision such as the size of part, form accuracy and roughness relatively
Height, the part both ends of the surface depth of parallelism particularly processed can reach 0.002～0.003mm；
4) this utility model has been applied to actual production, it is achieved that the precision of dottle pin class part both ends of the surface,
Highly-efficient processing, the most with practical value.
[accompanying drawing explanation]
Fig. 1 is the structural representation of this utility model a kind of embodiment of precision rotating kinematic pair.
[detailed description of the invention]
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of precision rotating kinematic pair, for the processing of accurate dottle pin class part, institute
Stating precision rotating kinematic pair to be arranged on described universal grinding machine external, described precision rotating kinematic pair includes
First sliding pair, the second sliding pair and permanent magnetism circle sucker 7, described first sliding pair includes universal cylindrical
The grinding machine headstock 1, stationary center 2 and the supporter 5 of one end tool centre bore, universal external grinder head stock 1
Stationary center 2 hold the centre bore of supporter 5, described second sliding pair includes supporter 5 and institute
Stating cylindrical grinder centre frame 6, described supporter 5 outer cause universal grinding machine external centre frame 6 supports,
Described permanent magnetism circle sucker 7 is fixing with described supporter 5 to be connected.
Described precision rotating kinematic pair also includes counterweight ring 4 and driver chuck flexible pull wire 3, described counterweight ring 4
It is sheathed on described supporter 5 near one end of described centre bore, for adjusting package unit left and right end
Gravitational equilibrium, described driver chuck flexible pull wire 3 connects described universal external grinder head stock 1 and described support
Body 5；Described permanent magnetism circle sucker 7 adsorbs the end face of described accurate dottle pin class part 8.
In the present embodiment, described centre bore is positioned at the left end of described supporter 5, universal grinding machine external
The driver chuck flexible pull wire 3 of the headstock 1 drives supporter 5 gyration, pulls supporter 5 to the left simultaneously,
Make to closely cooperate between the centre bore of its left end and the stationary center of universal external grinder head stock；Supporter
5 drive permanent magnetism circle sucker 7 gyration.
Described precision rotating kinematic pair is arranged on universal grinding machine external, the sand of mobile universal grinding machine external
Wheel carrier, by the inner circle grinding tool cross grinding absorption accurate spacer class zero on permanent magnetism circle sucker 7 right side
Part 8, i.e. can reach every required precisions such as higher size, form accuracy and roughness.
From the composition structural analysis of the first sliding pair, due to top for stationary center 2, thus this slip
Secondary precision is at a relatively high, makes the axial runout≤0.0005mm of package unit, if by stationary center 2
With centre bore facing-up, its precision can be higher.
From the composition structural analysis of the second sliding pair, if the circularity essence at the outer rim supporting of supporter 5
Degree height, this sliding pair is just much higher than the precision of common rolling pair, typically its circularity≤0.0005mm.
Comprehensive above structural representation and principle analysis, it can be seen that cross grinding of the present utility model processing essence
Spend at a relatively high, it might even be possible to reach 0.001～0.002mm.
For the ease of understanding above-described embodiment, this utility model also provides for a kind of accurate dottle pin class part two
The processing method of end face, it is characterised in that comprise the steps:
(1), providing the dottle pin class part that flat surface grinding crosses, the total thickness allowance of its both ends of the surface is 0.08
To 0.12mm, the depth of parallelism of both ends of the surface is not more than 0.015mm；
(2), provide precision rotating kinematic pair, repair universal grinding machine external inner circle grinding tool emery wheel, inner circle
The work surface of the permanent magnetism circle sucker of the cross grinding precision rotating kinematic pair of grinding tool emery wheel, amesdial is measured
Its end face run-out is not more than 0.001mm；
(3), by one of them end face of dottle pin class part it is adsorbed on permanent magnetism circle sucker, inner circle grinding tool
Another end face of the cross grinding dottle pin class part of emery wheel, beat no more than 0.001mm, and checking should
The flatness in face, only allows concave；
(4), on the basis of honed end face, by the cross grinding dottle pin class part of inner circle grinding tool emery wheel
Another end face, i.e. can reach the required precision of accessory size, form accuracy and roughness.
In sum, the precision rotating kinematic pair that this utility model provides has the effect that
1) workpiece is easy for installation, owing to the clamping of workpiece is with magnetic-adsorption on permanent magnetism circle sucker end face,
With the magnetic-adsorption switch on inner hexagon spanner rotary permanent-magnet circle sucker, so that it may so that permanent magnetism circle sucker moves back
Magnetic or multiple magnetic, thus can workpiece loading and unloading easily.
2) working (machining) efficiency is high, at present, in the manufacture of middle and high end Digit Control Machine Tool, due to its spindle shaft
Hold dottle pin class part and all need equipped axial dimension when assembling, and its required precision is higher, if used
The means of underhand polish go processing, will be time-consuming, delay complete machine final assembly lead time, and this practicality is new
Type process program can be the biggest the saving time, improve work efficiency；
3) Workpiece Machining Accuracy is high, processes every precision such as the size of part, form accuracy and roughness relatively
Height, the part both ends of the surface depth of parallelism particularly processed can reach 0.002～0.003mm；
4) this utility model has been applied to actual production, it is achieved that the precision of dottle pin class part both ends of the surface,
Highly-efficient processing, the most with practical value.
Above-described is only embodiment of the present utility model, it should be noted here that for this area
Those of ordinary skill for, without departing from this utility model create design on the premise of, it is also possible to do
Go out to improve, but these belong to protection domain of the present utility model.
Claims (4)
1. a precision rotating kinematic pair, processing for accurate dottle pin class part, it is characterized in that, described precision rotating kinematic pair is arranged on universal grinding machine external, described precision rotating kinematic pair includes the first sliding pair, second sliding pair and permanent magnetism circle sucker, described first sliding pair includes universal external grinder head stock, stationary center and the supporter of one end tool centre bore, the stationary center of universal external grinder head stock holds the centre bore of supporter, described second sliding pair includes supporter and described cylindrical grinder centre frame, the outer cause universal grinding machine external centre frame supporting of described supporter, described permanent magnetism circle sucker is fixing with described supporter to be connected.
2. according to the precision rotating kinematic pair described in claim 1, it is characterised in that described precision rotating kinematic pair also includes that counterweight ring, described counterweight ring are sheathed on described supporter one end near described centre bore.
3., according to the precision rotating kinematic pair described in claim 1, it is characterised in that described precision rotating kinematic pair also includes driver chuck flexible pull wire, described driver chuck flexible pull wire connects described universal external grinder head stock and described supporter.
4. according to the precision rotating kinematic pair described in claim 1, it is characterised in that the end face of accurate dottle pin class part described in described permanent magnetism circle sucker suction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620423097.1U CN205799122U (en) | 2016-05-11 | 2016-05-11 | Precision rotating kinematic pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620423097.1U CN205799122U (en) | 2016-05-11 | 2016-05-11 | Precision rotating kinematic pair |
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| Publication Number | Publication Date |
|---|---|
| CN205799122U true CN205799122U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620423097.1U Active CN205799122U (en) | 2016-05-11 | 2016-05-11 | Precision rotating kinematic pair |
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| CN (1) | CN205799122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834850A (en) * | 2016-05-11 | 2016-08-10 | 宝鸡忠诚机床股份有限公司 | Machining method of two end faces of precise shock insulator part and precise rotating kinematic pair applied in machining method of two end faces of precise shock insulator part |
-
2016
- 2016-05-11 CN CN201620423097.1U patent/CN205799122U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834850A (en) * | 2016-05-11 | 2016-08-10 | 宝鸡忠诚机床股份有限公司 | Machining method of two end faces of precise shock insulator part and precise rotating kinematic pair applied in machining method of two end faces of precise shock insulator part |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |