CN209380522U - Vertical face grinding machine grinding wheel spindle - Google Patents
Vertical face grinding machine grinding wheel spindle Download PDFInfo
- Publication number
- CN209380522U CN209380522U CN201822178730.7U CN201822178730U CN209380522U CN 209380522 U CN209380522 U CN 209380522U CN 201822178730 U CN201822178730 U CN 201822178730U CN 209380522 U CN209380522 U CN 209380522U
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- CN
- China
- Prior art keywords
- main shaft
- contact ball
- angular contact
- ball bearing
- cylindrical roller
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- 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.)
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Abstract
The utility model discloses a kind of vertical face grinding machine grinding wheel spindle, including main shaft end flanges, and the lower end surface of the main shaft end flanges and main shaft is bolted；The main shaft lower end is arranged in the inner circle of angular contact ball bearing, and the upper end of the main shaft is arranged in the inner circle of Biserial cylindrical roller bearing；The angular contact ball bearing and Biserial cylindrical roller bearing are arranged on main spindle box body, are through-hole among main shaft；The conical surface is arranged in the upper end of main shaft and Biserial cylindrical roller bearing cooperation position；Inner split ring one is arranged in the lower end of Biserial cylindrical roller bearing, accurate locking nut is arranged in the outside of the inner split ring one, union (screwed)bonnet (UB is arranged in the outside of the Biserial cylindrical roller bearing, and the union (screwed)bonnet (UB and accurate locking nut closely push against Biserial cylindrical roller bearing and inner split ring one；The utility model has the advantages that: it is provided with multiple groups angular contact ball bearing, and is also provided with cone spacer and outer ring spacer between angular contact ball bearing, therefore, axial restraint distance is increased, improves main axis stiffness；And the cone match between main shaft and Biserial cylindrical roller bearing, it ensure that concentricity, improve precision.
Description
Technical field
The present utility model is related to a kind of vertical face grinding machine, especially grinding machine spindle.
Background technique
With higher and higher to workpiece required precision, vertical end face high-precision grinder be also required to the bigger range of work and
Higher precision, grinding wheel spindle are then most important parts, it is therefore desirable to design the new grinding wheel for being suitable for installing 455mm diameter
And it adapts to bigger grinding force and guarantees the grinding wheel spindle that high-precision is processed simultaneously.
Summary of the invention
In order to solve the above technical problems, there is better rigidity the purpose of the utility model is to provide a kind of grinding wheel spindle
To meet the high revolving speed requirement under biggish diameter；Specific technical solution is as follows:
Vertical face grinding machine grinding wheel spindle, including main shaft end flanges, the lower end surface of the main shaft end flanges and main shaft
It is bolted；The main shaft lower end is arranged in the inner circle of angular contact ball bearing, and the upper end of the main shaft is arranged in biserial
In the inner circle of cylinder roller bearing；The angular contact ball bearing and Biserial cylindrical roller bearing are arranged on main spindle box body, main shaft
Centre is through-hole；The conical surface is arranged in the upper end of main shaft and Biserial cylindrical roller bearing cooperation position；Under Biserial cylindrical roller bearing
Accurate locking nut, the outside of the Biserial cylindrical roller bearing is arranged in end setting inner split ring one, the outside of the inner split ring one
Union (screwed)bonnet (UB is set, and the union (screwed)bonnet (UB and accurate locking nut closely push against Biserial cylindrical roller bearing and inner split ring one；
Setting inner split ring two and mainshaft gland, the mainshaft gland and corner connection on the outside of the angular contact ball bearing of the lower end setting of the main shaft
The outer ring for touching ball bearing axially pushes against, and the inner ring of the inner split ring two and angular contact ball bearing axially pushes against, the angular contact ball
Bearing is three groups, and first group of angular contact ball bearing from bottom to top is axially abutted with second group of angular contact ball bearing, second group of angle
Bearing outer ring spacer and bearing inner spacer, the bearing inner spacer and angle are set between contact ball bearing and third group angular contact ball bearing
The inner ring of contact ball bearing axially abuts, and the bearing outer ring spacer is axially abutted with the outer ring of angular contact ball bearing；Mainshaft gland
It is fixed by screws on the axial end face of main spindle box body；VL type is arranged between the mainshaft gland and main shaft end flanges to seal
Circle.
The main spindle box body is fixed with attachment base, and wire master hole is arranged in attachment base, and the wire master hole is connect with lead screw.
Main shaft end flanges lower end is connect with grinding wheel flange, and grinding wheel is fixed with below grinding wheel flange.
Installation and repairing hole is arranged in the main spindle box body.
The utility model has the advantages that: it is provided with multiple groups angular contact ball bearing, and is also provided between angular contact ball bearing interior
Therefore spacer ring and outer ring spacer increase axial restraint distance, improve main axis stiffness；And main shaft and Biserial cylindrical roller bearing
Between cone match, ensure that concentricity, improve precision.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the connection schematic diagram of main axial end flange and grinding wheel flange, main shaft；
In figure, 1. main shaft end flanges, 2. mainshaft glands, 3.VL type sealing ring, 4.O type sealing ring one, 5.O type sealing ring
Two, 6. inner split rings two, 7.O type sealing ring, 8. bearing outer ring spacers, 9. bearing inner spacers, 10 angular contact ball bearings, 11. main shafts,
12. accurate locking nut, 13. inner split rings one, 14. main spindle box bodies, 15. outer spacer rings, 16. Biserial cylindrical roller bearings, 17. outer rings
Bearing gland, 18. union (screwed)bonnet (UBs, 19. attachment bases, 20. installation and repairing holes, 22. grinding wheels, 23. grinding wheel flanges.
Specific embodiment
The utility model is illustrated with reference to the accompanying drawing, as shown, the utility model includes main shaft end flanges 1,
The lower end surface of the main shaft end flanges 1 and main shaft 11 is fixed by bolt 1；11 lower end of main shaft is arranged in angular contact
In the inner circle of ball bearing 10, the upper end of the main shaft 11 is arranged in the inner circle of Biserial cylindrical roller bearing 16；The angular contact
Ball bearing 10 and Biserial cylindrical roller bearing 16 are arranged on main spindle box body 14, are through-hole 25 among main shaft 11, which is used to
Guarantee passing through for coolant liquid；The conical surface 111 is arranged in the upper end of main shaft and Biserial cylindrical roller bearing cooperation position, and the taper of the conical surface is
1:12；Inner split ring 1, the accurate locking of outside setting of the inner split ring 1 is arranged in the lower end of Biserial cylindrical roller bearing 16
Union (screwed)bonnet (UB 18, the union (screwed)bonnet (UB 18 and accurate locking screw is arranged in nut 12, the outside of the Biserial cylindrical roller bearing 16
Mother 12 axially closely pushes against Biserial cylindrical roller bearing 16 and inner split ring 1；The angular contact of the lower end setting of the main shaft 11
Inner split ring 26 and mainshaft gland 2 are set on the outside of ball bearing 10, and the outer ring of the mainshaft gland 2 and angular contact ball bearing 10 is axial
It pushes against, the inner ring of the inner split ring 26 and angular contact ball bearing 10 axially pushes against；Mainshaft gland 2 is fixed by screws in main shaft
On the axial end face of cabinet 14；VL type sealing ring 3 is set between the mainshaft gland 2 and main shaft end flanges 1.
The main spindle box body 14 is fixed with attachment base 19, and wire master hole is arranged in attachment base, and the wire master hole is connect with lead screw, this
Sample drives attachment base mobile with the rotation of lead screw, and then drives main spindle box body mobile.
1 lower end of main shaft end flanges is connect with grinding wheel flange 23, and the lower section of grinding wheel flange 23 is fixed with grinding wheel 22.It is main
Sealing ring 24 is set between axial end flange 1 and grinding wheel flange 23；Installation and repairing hole 20 is arranged in the main spindle box body 14.
Claims (4)
1. vertical face grinding machine grinding wheel spindle, it is characterised in that: including main shaft end flanges, the main shaft end flanges and main shaft
Lower end surface be bolted；The main shaft lower end is arranged in the inner circle of angular contact ball bearing, and the upper end of the main shaft is set
It sets in the inner circle of Biserial cylindrical roller bearing；The angular contact ball bearing and Biserial cylindrical roller bearing are arranged in main spindle box body
On, it is through-hole among main shaft；The conical surface is arranged in the upper end of main shaft and Biserial cylindrical roller bearing cooperation position；Double-row cylindrical roller axis
The lower end setting inner split ring one held, accurate locking nut, the Biserial cylindrical roller bearing is arranged in the outside of the inner split ring one
That union (screwed)bonnet (UB, the union (screwed)bonnet (UB and accurate locking nut is arranged is close by Biserial cylindrical roller bearing and inner split ring one in outside
It pushes against；Setting inner split ring two and mainshaft gland on the outside of the angular contact ball bearing of the lower end setting of the main shaft, the mainshaft gland
It is axially pushed against with the outer ring of angular contact ball bearing, the inner ring of the inner split ring two and angular contact ball bearing axially pushes against, the angle
Contact ball bearing is three groups, and first group of angular contact ball bearing from bottom to top is axially abutted with second group of angular contact ball bearing, the
Bearing outer ring spacer and bearing inner spacer be set between two groups of angular contact ball bearings and third group angular contact ball bearing, in the bearing every
It encloses and is axially abutted with the inner ring of angular contact ball bearing, the bearing outer ring spacer is axially abutted with the outer ring of angular contact ball bearing；It is main
Axis gland is fixed by screws on the axial end face of main spindle box body；VL type is set between the mainshaft gland and main shaft end flanges
Sealing ring.
2. vertical face grinding machine grinding wheel spindle according to claim 1, it is characterised in that: the main spindle box body and attachment base
Fixed, wire master hole is arranged in attachment base, and the wire master hole is connect with lead screw.
3. vertical face grinding machine grinding wheel spindle according to claim 1, it is characterised in that: main shaft end flanges lower end
It is connect with grinding wheel flange, grinding wheel is fixed with below grinding wheel flange.
4. vertical face grinding machine grinding wheel spindle according to claim 1, it is characterised in that: the main spindle box body setting installation
Manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822178730.7U CN209380522U (en) | 2018-12-25 | 2018-12-25 | Vertical face grinding machine grinding wheel spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822178730.7U CN209380522U (en) | 2018-12-25 | 2018-12-25 | Vertical face grinding machine grinding wheel spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209380522U true CN209380522U (en) | 2019-09-13 |
Family
ID=67873525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822178730.7U Active CN209380522U (en) | 2018-12-25 | 2018-12-25 | Vertical face grinding machine grinding wheel spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209380522U (en) |
-
2018
- 2018-12-25 CN CN201822178730.7U patent/CN209380522U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |