CN208793601U - Band temperature-compensating main shaft device - Google Patents
Band temperature-compensating main shaft device Download PDFInfo
- Publication number
- CN208793601U CN208793601U CN201821224848.2U CN201821224848U CN208793601U CN 208793601 U CN208793601 U CN 208793601U CN 201821224848 U CN201821224848 U CN 201821224848U CN 208793601 U CN208793601 U CN 208793601U
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- main shaft
- compensating
- flange
- combination bearing
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Abstract
The utility model relates to a kind of band temperature-compensating main shaft device, it includes main shaft and rack sleeve, without main shaft in the rack sleeve, is successively arranged with preceding combination bearing and rear combination bearing from front to back on the main shaft；Temperature-compensating ring is equipped with after described between combination bearing and rack sleeve, the temperature-compensating ring is equipped with pre-compressed spring；Locking nut is equipped with after described between combination bearing and main shaft, the outside of the rack sleeve and locking nut is equipped with rear defence water maze flange, it is equipped with rear sealing ring between the rear defence water maze flange and main shaft, is equipped with multi-wedge belt pulley on the outside of the main shaft and rear defence water maze flange；It is blue that preceding anti-water maze is equipped on the outside of the rack sleeve and preceding combination bearing, the preceding anti-water maze is blue to be equipped with preceding sealing ring between main shaft.The position of the utility model rear bearing axis is adjusted by temperature-compensating ring, and main shaft is deformed without flexing, and rigidity is high, precision is good, waterproof and dustproof, antifog.
Description
Technical field
The utility model relates to mechanical bearing technical field more particularly to a kind of band temperature-compensating main shaft devices.
Background technique
Fixed+fixed bearing mounting means is used in the case of current conventional main shaft low, is used under high-speed case solid
The bearing mounting means of fixed+floating, the former can not solve the influence that temperature rise is generated heat to main shaft precision, and the latter is floating due to rear bearing
Dynamic, so the clearance of rear bearing cannot be controlled effectively, rigidity and precision be not high, is only used for the axis system of general precision
In, and higher cost, installation, maintenance, the requirement of processing are relatively high.
Utility model content
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of band temperature-compensating main shaft devices, and structure is simple,
At low cost, rigidity is good, and precision is high, and temperature-compensating is simple and reliable, realizes temperature-compensating automatically, and high low speed is versatile, and there are
Simple and reliable external interface.
Purpose of the utility model is realized as follows:
A kind of band temperature-compensating main shaft device, it includes main shaft and rack sleeve, is equipped with main shaft, institute in the rack sleeve
It states and is successively arranged with preceding combination bearing and rear combination bearing on main shaft from front to back；After described between combination bearing and rack sleeve
Equipped with temperature-compensating ring, the temperature-compensating ring is equipped with pre-compressed spring；Locking is equipped with after described between combination bearing and main shaft
The outside of nut, the rack sleeve and locking nut is equipped with rear defence water maze flange, the rear defence water maze flange and main shaft
Between be equipped with rear sealing ring, be equipped with multi-wedge belt pulley on the outside of the main shaft and rear defence water maze flange；The rack sleeve with preceding group
Sympodium holds outside and is equipped with preceding anti-water maze orchid, and the preceding anti-water maze is blue to be equipped with preceding sealing ring between main shaft, before described
It is equipped with grinding wheel flange and supported flange on the outside of anti-water maze orchid and main shaft, sand is equipped between the grinding wheel flange and supported flange
Wheel.
A kind of band temperature-compensating main shaft device is equipped with spacer between the preceding combination bearing and rear combination bearing.
A kind of band temperature-compensating main shaft device, the multi-wedge belt pulley outside are equipped with nut.
Nut is equipped on the outside of a kind of band temperature-compensating main shaft device, the main shaft and grinding wheel flange.
A kind of band temperature-compensating main shaft device, the preceding combination bearing outside are close using water-blocking groove and labyrinth seal box oil sealing
The combination of the multiple groups sealing means such as envelope.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model waterproof and dustproof, antifog.
2, the position of the utility model rear bearing axis is adjusted by temperature-compensating ring, and main shaft is deformed without flexing.
3, the utility model uses front and back combination bearing, and rigidity is high, precision is good.
4, the utility model is safeguarded simply, using reliable, the service life is long.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein:
Multi-wedge belt pulley 1, rear defence water maze flange 2, rear sealing ring 3, locking nut 4, rear combination bearing 5, temperature-compensating ring
6, pre-compressed spring 7, spacer 8, main shaft 9, rack sleeve 10, preceding combination bearing 11, preceding anti-water maze orchid 12, grinding wheel flange 13,
Grinding wheel 14, supported flange 15, preceding sealing ring 16.
Specific embodiment
Embodiment 1:
Referring to Fig. 1, the utility model relates to a kind of band temperature-compensating main shaft device, it includes main shaft 9 and rack sleeve
10, it is equipped with main shaft 9, preceding combination bearing 11 and rear combination bearing 5 in the rack sleeve 10, the preceding combination bearing 11 and rear group
Sympodium holds 5 and is sequentially sleeved on main shaft 9 from front to back, does not have spacer 8 between the preceding combination bearing 11 and rear combination bearing 5.
Temperature-compensating ring 6 is equipped with after described between combination bearing 5 and rack sleeve 10, the temperature-compensating ring 6 is equipped with
Pre-compressed spring 7 makes up main shaft and expands with heat and contract with cold caused deformation.
Locking nut 4 is equipped with after described between combination bearing 5 and main shaft 9, the rack sleeve 10 is outer with locking nut 4
Side is equipped with rear defence water maze flange 2, is equipped with rear sealing ring 3 between the rear defence water maze flange 2 and main shaft 9, the main shaft 9 with
It is equipped with multi-wedge belt pulley 1 on the outside of rear defence water maze flange 2, is equipped with nut on the outside of the multi-wedge belt pulley 1.
Preceding anti-water maze orchid 12, the preceding anti-water maze are equipped on the outside of the rack sleeve 10 and preceding combination bearing 11
Be equipped with preceding sealing ring 16 between orchid 12 and main shaft 9, the preceding anti-water maze orchid 12 be equipped on the outside of main shaft 9 grinding wheel flange 13 and
Supported flange 15 is equipped with grinding wheel 14, the main shaft 9 and 13 outside of grinding wheel flange between the grinding wheel flange 13 and supported flange 15
Equipped with nut.
It is combined on the outside of the preceding combination bearing 11 using the multiple groups sealing means such as water-blocking groove and labyrinth seal box oil sealing sealing,
Dustproof and waterproof is antifog.
Working principle:
The utility model is applied in combination using one or more bearings, and the axis of rear end bearing is controlled using temperature-compensating ring
The deformation of flexing caused by main shaft expands with heat and contract with cold is compensated to position.The bad phenomenons such as bearing clearance variation, had both guaranteed rigid precision,
Guarantee reasonable calorific value again.
The utility model uses waterproof and dustproof, antifog sealing structure, improves the reliability of entire main axle unit.
The above is only the specific application examples of the utility model, do not constitute any limit to the protection scope of the utility model
System.Any technical scheme formed by adopting equivalent transformation or equivalent replacement, all fall within the utility model rights protection scope it
It is interior.
Claims (5)
1. a kind of band temperature-compensating main shaft device, it is characterised in that: it includes main shaft (9) and rack sleeve (10), the main shaft
Main shaft (9) are equipped in sleeve (10), are successively arranged with preceding combination bearing (11) and rear built-up shaft from front to back on the main shaft (9)
Hold (5)；Temperature-compensating ring (6) are equipped between combination bearing (5) and rack sleeve (10) after described, the temperature-compensating ring (6)
It is equipped with pre-compressed spring (7)；Locking nut (4) are equipped between combination bearing (5) and main shaft (9) after described, the rack sleeve
(10) be equipped with rear defence water maze flange (2) with the outside of locking nut (4), the rear defence water maze flange (2) and main shaft (9) it
Between be equipped with rear sealing ring (3), be equipped with multi-wedge belt pulley (1) on the outside of the main shaft (9) and rear defence water maze flange (2)；The main shaft
Sleeve (10) and preceding combination bearing (11) outside are equipped with preceding anti-water maze orchid (12), the preceding anti-water maze blue (12) and master
Preceding sealing ring (16) are equipped between axis (9), are equipped with grinding wheel flange (13) on the outside of the preceding anti-water maze blue (12) and main shaft (9)
With supported flange (15), grinding wheel (14) are equipped between the grinding wheel flange (13) and supported flange (15).
2. band temperature-compensating main shaft device according to claim 1, it is characterised in that: the preceding combination bearing (11) and after
There is no spacer (8) between combination bearing (5).
3. band temperature-compensating main shaft device according to claim 1, it is characterised in that: set on the outside of the multi-wedge belt pulley (1)
There is nut.
4. band temperature-compensating main shaft device according to claim 1, it is characterised in that: the main shaft (9) and grinding wheel flange
(13) outside is equipped with nut.
5. band temperature-compensating main shaft device according to claim 1, it is characterised in that: on the outside of the preceding combination bearing (11)
It is combined using the multiple groups sealing means such as water-blocking groove and labyrinth seal box oil sealing sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821224848.2U CN208793601U (en) | 2018-08-01 | 2018-08-01 | Band temperature-compensating main shaft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821224848.2U CN208793601U (en) | 2018-08-01 | 2018-08-01 | Band temperature-compensating main shaft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793601U true CN208793601U (en) | 2019-04-26 |
Family
ID=66204024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821224848.2U Active CN208793601U (en) | 2018-08-01 | 2018-08-01 | Band temperature-compensating main shaft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208793601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857505A (en) * | 2021-09-27 | 2021-12-31 | 山东农业工程学院 | High rotational speed main shaft unit structure of built-in big moment of torsion of unclamping cylinder |
-
2018
- 2018-08-01 CN CN201821224848.2U patent/CN208793601U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857505A (en) * | 2021-09-27 | 2021-12-31 | 山东农业工程学院 | High rotational speed main shaft unit structure of built-in big moment of torsion of unclamping cylinder |
| CN113857505B (en) * | 2021-09-27 | 2022-07-05 | 山东农业工程学院 | High rotational speed main shaft unit structure of built-in big moment of torsion of unclamping cylinder |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |