CN209379940U - A kind of movable center mechanism - Google Patents
A kind of movable center mechanism Download PDFInfo
- Publication number
- CN209379940U CN209379940U CN201821779897.2U CN201821779897U CN209379940U CN 209379940 U CN209379940 U CN 209379940U CN 201821779897 U CN201821779897 U CN 201821779897U CN 209379940 U CN209379940 U CN 209379940U
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- China
- Prior art keywords
- movable center
- center mechanism
- ball bearing
- thrust ball
- movable
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Abstract
The utility model discloses a kind of movable center mechanisms, including movable center mechanism ontology, rolling center component is equipped on movable center mechanism ontology, precession screw thread, tip mechanism end, thrust ball bearing with flat seat hoop, top axle center, grommet, end cap, oil sealing, cage ring, needle bearing, thrust ball bearing with flat seat, gasket, setting circle, end cap, movable center mechanism mounting bracket, latch segment, precession screw thread is equipped in the exterior side wall of movable center mechanism ontology, movable center mechanism ontology is mounted on to the inside of movable center mechanism mounting bracket using precession screw thread, locating piece is equipped between movable center mechanism mounting bracket internal side wall and movable center mechanism ontology, movable center mechanism ontology is positioned by locating piece, improve the stability and precision of movable center mechanism ontology.
Description
Technical field
The utility model relates to field of mechanical technique, specially a kind of movable center mechanism.
Background technique
Movable center mechanism is equipped on numerically-controlled machine tool, movable center mechanism is as a component indispensable on lathe
Mechanism can make the flexibility of lathe higher using movable center mechanism, and still, the movable center mechanism on numerically-controlled machine tool is moving
Will appear in dynamic process will appear friction between vibration and component, and after a protracted use, movable center mechanism has
Abrasion, causes the precision of movable center mechanism that will decline.
Utility model content
The purpose of this utility model is to provide one kind of a kind of stability for improving movable center mechanism ontology and precision
Stability and movable center mechanism with high accuracy, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of movable center mechanism, including activity
The outside of tip mechanism ontology, the movable center mechanism ontology is equipped with movable center mechanism mounting bracket, the rolling center
The junction of mechanism mounting bracket and movable center mechanism ontology is equipped with setting circle, and the movable center mechanism ontology is equipped with top
Spivot, which is felt at ease, fills axle sleeve, and the tail spindle feels at ease the center of inside for filling axle sleeve equipped with cage ring, the center of inside of the cage ring
Equipped with top axle center, the tail spindle feels at ease the bottom end for filling axle sleeve equipped with thrust ball bearing with flat seat, and tail spindle, which is felt at ease, fills axle sleeve
Top is equipped with first end cover, and the outside of the first end cover is equipped with second end cover, and second end cover is solid by screw and first end cover
Fixed connection.
Preferably, the top axle center is equipped with needle bearing close to the outside of bottom end, and the needle bearing is mounted on plane
The top of thrust ball bearing, the apical lateral in the top axle center are equipped with gasket, and the lower section of the gasket is equipped with grommet, the lining
The lower section of ring is equipped with oil sealing, and oil sealing is symmetrically mounted on the two sides in top axle center, and the lower section of the right envelope is equipped with needle bearing.
Preferably, the exterior side wall of the setting circle is equipped with latch segment, the exterior side wall connection of latch segment and setting circle.
Preferably, the center of the thrust ball bearing with flat seat is equipped with cylindrical hole, the thrust ball bearing with flat seat Cheng Yuan
Ring-type, cylindrical hole run through thrust ball bearing with flat seat in vertical direction, and the inside center of the thrust ball bearing with flat seat is equipped with
The exterior side wall of thrust ball bearing with flat seat hoop, the thrust ball bearing with flat seat is equipped with screw thread.
Preferably, the tail spindle feels at ease the exterior side wall top half for filling axle sleeve equipped with precession screw thread.
Compared with prior art, the utility model has the beneficial effects that
The exterior side wall of movable center mechanism ontology is equipped with precession screw thread, using precession screw thread by movable center mechanism sheet
Body is mounted on the inside of movable center mechanism mounting bracket, movable center mechanism mounting bracket internal side wall and movable center mechanism
It is equipped with locating piece between ontology, movable center mechanism ontology is positioned by locating piece, improves movable center mechanism ontology
Stability and precision.
Detailed description of the invention
Fig. 1 is the utility model movable center mechanism body construction schematic diagram；
Fig. 2 is the utility model movable center mechanism ontology sectional view；
Fig. 3 is the utility model movable center mechanism mounting support structure schematic diagram.
In figure: 1, movable center mechanism ontology；2, rolling center component；3, precession screw thread；4, tip mechanism end；5, it puts down
Face thrust ball bearing hoop；6, top axle center；7, grommet；8, end cap；9, oil sealing；10, cage ring；11, needle bearing；12, plane
Thrust ball bearing；13, gasket；14, setting circle；15, end cap；16, movable center mechanism mounting bracket；17, latch segment；18, it pushes up
Spivot, which is felt at ease, fills axle sleeve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1, Fig. 2 or Fig. 3 are please referred to, the utility model provides a kind of technical solution: a kind of movable center mechanism, including work
The outside of dynamic tip mechanism ontology 1, movable center mechanism ontology 1 is equipped with movable center mechanism mounting bracket 16, rolling center machine
The junction of structure mounting bracket 16 and movable center mechanism ontology 1 is equipped with setting circle 14, and the exterior side wall of setting circle 14 is equipped with
Latch segment 17, latch segment 17 are connect with the exterior side wall of setting circle 14.
Movable center mechanism ontology 1 feels at ease equipped with tail spindle and fills axle sleeve 18, and tail spindle is felt at ease in the inside for filling axle sleeve 18
Centre is equipped with cage ring 10, and the center of inside of cage ring 10 is equipped with top axle center 6, and top axle center 6 is equipped with rolling close to the outside of bottom end
Needle bearing 11, needle bearing 11 are mounted on the top of thrust ball bearing with flat seat 12, and the apical lateral in top axle center 6 is equipped with gasket
13, the lower section of gasket 13 is equipped with grommet 7, and the lower section of grommet 7 is equipped with oil sealing 9, and oil sealing 9 is symmetrically mounted on the two sides in top axle center 6,
The lower section of oil sealing 9 is equipped with needle bearing 11.
Tail spindle feels at ease the bottom end for filling axle sleeve 18 equipped with thrust ball bearing with flat seat 12, and the center of thrust ball bearing with flat seat 12 is set
There is cylindrical hole, thrust ball bearing with flat seat 12 runs through thrust ball bearing with flat seat in vertical direction at annular shape, cylindrical hole
12, the inside center of thrust ball bearing with flat seat 12 is equipped with thrust ball bearing with flat seat hoop 5, the exterior side wall of thrust ball bearing with flat seat 12
It is equipped with screw thread.
Tail spindle feels at ease the top for filling axle sleeve 18 equipped with first end cover 8, and the outside of first end cover 8 is equipped with second end cover 15,
Second end cover 15 is fixedly connected by screw with first end cover 8, and tail spindle, which is felt at ease, to be filled the exterior side wall upper half of axle sleeve 18 and set up separately
There is precession screw thread 3.
Movable center mechanism ontology is mounted on using the precession screw thread 3 in the exterior side wall of movable center mechanism ontology 1
The inside of movable center mechanism mounting bracket 16,16 internal side wall of movable center mechanism mounting bracket and movable center mechanism sheet
It is equipped with setting circle 14 between body 1, movable center mechanism ontology 1 is positioned by setting circle 14, improves movable center mechanism
The stability and precision of ontology 1.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of movable center mechanism, including movable center mechanism ontology (1), it is characterised in that: the movable center mechanism sheet
The outside of body (1) is equipped with movable center mechanism mounting bracket (16), the movable center mechanism mounting bracket (16) and movable top
The junction of sharp mechanism body (1) is equipped with setting circle (14), and the movable center mechanism ontology (1) is equipped with tail spindle and feels at ease dress
Axle sleeve (18), the tail spindle feel at ease fill axle sleeve (18) center of inside be equipped with cage ring (10), the cage ring (10) it is interior
Portion center is equipped with top axle center (6), and the tail spindle feels at ease the bottom end for filling axle sleeve (18) equipped with thrust ball bearing with flat seat (12), top
Spivot feels at ease the top for filling axle sleeve (18) equipped with first end cover (8), and the outside of the first end cover (8) is equipped with second end cover
(15), second end cover (15) is fixedly connected by screw with first end cover (8).
2. a kind of movable center mechanism according to claim 1, it is characterised in that: the top axle center (6) is close to bottom end
Outside be equipped with needle bearing (11), the needle bearing (11) is mounted on the top of thrust ball bearing with flat seat (12), the top
The apical lateral of the spivot heart (6) is equipped with gasket (13), and the lower section of the gasket (13) is equipped with grommet (7), under the grommet (7)
Side is equipped with oil sealing (9), and oil sealing (9) is symmetrically mounted on the two sides of top axle center (6), and the lower section of the oil sealing (9) is equipped with needle roller axis
Hold (11).
3. a kind of movable center mechanism according to claim 1, it is characterised in that: the exterior side wall of the setting circle (14)
It is equipped with latch segment (17), latch segment (17) is connect with the exterior side wall of setting circle (14).
4. a kind of movable center mechanism according to claim 1, it is characterised in that: the thrust ball bearing with flat seat (12)
Center is equipped with cylindrical hole, and the thrust ball bearing with flat seat (12) is at annular shape, and cylindrical hole is in vertical direction through flat
The inside center of face thrust ball bearing (12), the thrust ball bearing with flat seat (12) is equipped with thrust ball bearing with flat seat hoop (5), described
The exterior side wall of thrust ball bearing with flat seat (12) is equipped with screw thread.
5. a kind of movable center mechanism according to claim 1, it is characterised in that: the tail spindle, which is felt at ease, fills axle sleeve (18)
Exterior side wall top half be equipped with precession screw thread (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821779897.2U CN209379940U (en) | 2018-10-31 | 2018-10-31 | A kind of movable center mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821779897.2U CN209379940U (en) | 2018-10-31 | 2018-10-31 | A kind of movable center mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209379940U true CN209379940U (en) | 2019-09-13 |
Family
ID=67867485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821779897.2U Active CN209379940U (en) | 2018-10-31 | 2018-10-31 | A kind of movable center mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209379940U (en) |
-
2018
- 2018-10-31 CN CN201821779897.2U patent/CN209379940U/en active Active
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