CN103128656A - Ball-milling mechanical grinding-wheel-rack spindle - Google Patents
Ball-milling mechanical grinding-wheel-rack spindle Download PDFInfo
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- CN103128656A CN103128656A CN 201310035664 CN201310035664A CN103128656A CN 103128656 A CN103128656 A CN 103128656A CN 201310035664 CN201310035664 CN 201310035664 CN 201310035664 A CN201310035664 A CN 201310035664A CN 103128656 A CN103128656 A CN 103128656A
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- bearing
- collar
- housing
- main shaft
- end bearing
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Abstract
The invention relates to the field of ball-milling mechanical spindles, in particular to a ball-milling mechanical grinding-wheel-rack spindle. The ball-milling mechanical grinding-wheel-rack spindle comprises a casing, a spindle body and bearings, the middle of the spindle body is located in the casing, the spindle body and the casing are connected through the bearings fixed at two ends of the casing, a flange plate is fixedly arranged at the front end of the spindle body, a driven wheel is installed at the rear end of the spindle body, the spindle body is a solid shaft, tapering spindles with appropriate taper degrees are machined at two ends of the spindle body respectively, a cooling structure is arranged in the casing, and the cooling structure comprises a cooling cavity arranged between the casing and the spindle body. The ball-milling mechanical grinding-wheel-rack spindle has the advantages that the vibrating is small, the spindle can bear a high radial force and is high in rigidity, accuracy and strength, simultaneously, the cooling structure is arranged, the front working area of the spindle body can work in a normal temperature state, the accuracy and strength of the spindle can be improved, and the service life of the spindle is prolonged.
Description
Technical field
The present invention relates to a kind of mechanical mill main shaft field, especially a kind of mechanical mill main shaft of grinding carriage.
Background technology
The lathe that is equipped with this super large mechanical mill main shaft is widely used in mould, the fields such as automobile, the mill crudy of super large mechanical mill main shaft of grinding carriage is one of major event index of examination product quality, directly affect product quality and working (machining) efficiency, and how can correct, efficient super large mechanical mill main shaft of grinding carriage processed and the qualification rate that improves product be current many Production of bearing enterprise's long-term existence and fail one of technical barrier that effectively solves.Present all multiple enterprises are not grasped its technology to this, Some Enterprises is configured to grinding tool and carries out grinding, and emery wheel vibrations are large, pass to emery wheel after the axle head heating, cause emery wheel place bearing very easily to damage, and can't satisfy steady in a long-term production.Rigidity is relatively poor, increase pressure that can not be too much, inefficiency.
Summary of the invention
Goal of the invention of the present invention is to overcome the defective that prior art exists, thereby realizes the mechanical mill main shaft of grinding carriage.
For achieving the above object, technical scheme of the present invention is: a kind of mechanical mill main shaft of grinding carriage, comprise housing, main shaft, bearing, the middle part of described main shaft is positioned at enclosure interior, connect by the bearing that is fixed in housing two ends between main shaft and housing, the front end of main shaft is fixedly installed ring flange, the rear end of main shaft is equipped with driven pulley, and described main shaft is solid shafting, and the two ends of main shaft respectively are processed with the diminished shaft of suitable tapering, the described cooling structure that is provided with in housing, described cooling structure comprises the cooling chamber that is arranged between housing and main shaft.
Described bearing comprises front end bearing and rear end bearing, and front end bearing is Biserial cylindrical roller bearing and angular contact thrust ball bearing combination; Rear end bearing is Biserial cylindrical roller bearing, and described front end bearing spigot is loaded in the large bearing holder (housing, cover) that is fixed on the housing front end, and large bearing holder (housing, cover) oral area is equipped with the front end bearing gland; Described rear end bearing plug is loaded in the little bearing holder (housing, cover) that is fixed on the housing rear end, and little bearing holder (housing, cover) oral area is equipped with the rear end bearing gland.
Be provided with right-hand member bearing collar between the Biserial cylindrical roller bearing of described front end bearing and angular contact thrust ball bearing, this right-hand member bearing collar comprises the large collar of right-hand member bearing and the little collar of right-hand member bearing, and the large collar of right-hand member bearing is sleeved on the outside of the little collar of right-hand member bearing; The Biserial cylindrical roller bearing inboard of described rear end bearing is provided with left end bearing collar, and this left end bearing collar comprises the large collar of left end bearing and the little collar of left end bearing, and the large collar of left end bearing is sleeved on the outside of the little collar of left end bearing.
Described front end bearing gland outer edge is provided with sealing ring, and the inner Biserial cylindrical roller bearing arranged outside of front end bearing gland has the little collar of front end bearing; Described rear end bearing gland arranged outside has the little collar of rear end bearing, and the little collar of rear end bearing is fixed with concavo-convex labyrinth seal structure by rear end locking nut and rear end bearing gland.
The angular contact thrust ball bearing inboard of described large bearing holder (housing, cover) inside is provided with the dustproof collar of right side bearing, is provided with the front end locking nut on the inboard shaft shoulder of the dustproof collar of right side bearing.
Be provided with little bearing holder (housing, cover) between described little bearing holder (housing, cover) and housing end face and adjust pad.
Beneficial effect of the present invention:
1. mechanical mill main shaft of grinding carriage of the present invention vibrates littlely, and by the motor belt transmission, main shaft adopts Biserial cylindrical roller bearing, can bear larger radial load, and main shaft can reach high rigidity, high accuracy, high-intensity performance characteristics.
2. mechanical mill main shaft of grinding carriage of the present invention, be provided with the hollow cooling structure, plays self cooling result, can guarantee working region, main shaft front portion, is under the normal temperature state and works, and improves its precision, intensity and service life.
Description of drawings
Fig. 1 is the structural representation of mechanical mill main shaft of grinding carriage;
Fig. 2 is the top view structural representation of Fig. 1.
The specific embodiment
Also by specific embodiment mechanical mill main shaft of grinding carriage of the present invention is done more detailed description below in conjunction with accompanying drawing.
Embodiment 1:
Referring to Fig. 1-2: 1-housing, 2-main shaft, 3-ring flange, the 4-driven pulley, 5-cooling chamber, 6-front end locking nut, the little bearing holder (housing, cover) of 7-is adjusted pad, end bearing before 8-, 9-rear end bearing, the large bearing holder (housing, cover) of 10-, the little bearing holder (housing, cover) of 11-, 12-front end bearing gland, 13-rear end bearing gland, the large collar of 14-right-hand member bearing, the little collar of 15-right-hand member bearing, the large collar of 16-left end bearing, the little collar of 17-left end bearing, 18-sealing ring, the little collar of end bearing before 19-, the little collar of 20-rear end bearing, 21-rear end locking nut, the dustproof collar of 22-right side bearing.
Mechanical mill main shaft of grinding carriage of the present invention comprises housing 1, main shaft 2, bearing, the middle part of described main shaft 2 is positioned at housing 1 inside, connect by the bearing that is fixed in housing 1 two ends between main shaft 2 and housing 1, the front end of main shaft 2 is fixedly installed ring flange 3, the rear end of main shaft 2 is equipped with driven pulley 4, described main shaft 2 is solid shafting, the two ends of main shaft 2 respectively are processed with the diminished shaft of suitable tapering, describedly be provided with cooling structure in housing 1, described cooling body comprises the cooling chamber 5 that is arranged between housing 1 and main shaft 2.
Described bearing comprises front end bearing 8 and rear end bearing 9, and front end bearing 8 is Biserial cylindrical roller bearing and angular contact thrust ball bearing combination; Rear end bearing 9 is Biserial cylindrical roller bearing, and described front end bearing 8 plugs are loaded in the large bearing holder (housing, cover) 10 that is fixed on housing 1 front end, and large bearing holder (housing, cover) 10 oral areas are equipped with front end bearing gland 12; Described rear end bearing 9 plugs are loaded in the little bearing holder (housing, cover) 11 that is fixed on housing 1 rear end, and little bearing holder (housing, cover) 11 oral areas are equipped with rear end bearing gland 13.
Be provided with right-hand member bearing collar between the Biserial cylindrical roller bearing of described front end bearing 8 and angular contact thrust ball bearing, this right-hand member bearing collar comprises the large collar 14 of right-hand member bearing and the little collar 15 of right-hand member bearing, and the large collar 14 of right-hand member bearing is sleeved on the outside of the little collar 15 of right-hand member bearing; The Biserial cylindrical roller bearing inboard of described rear end bearing 9 is provided with left end bearing collar, and this left end bearing collar comprises the large collar 16 of left end bearing and the little collar 17 of left end bearing, and the large collar 16 of left end bearing is sleeved on the outside of the little collar 17 of left end bearing.
Described front end bearing gland 12 outer edge are provided with sealing ring 18, and the inner Biserial cylindrical roller bearing arranged outside of front end bearing gland 12 has the little collar 19 of front end bearing; Described rear end bearing gland 13 arranged outside have the little collar 20 of rear end bearing, and the little collar of rear end bearing logical 20 holds locking nut 21 and rear end bearing gland 13 to be fixed with concavo-convex labyrinth seal structure later.
The angular contact thrust ball bearing inboard of described large bearing holder (housing, cover) 10 inside is provided with the dustproof collar 22 of right side bearing, is provided with front end locking nut 6 on the dustproof inboard shaft shoulder of collar 22 of right side bearing.
Be provided with little bearing holder (housing, cover) between described little bearing holder (housing, cover) 11 and housing 1 end face and adjust pad 7.
Claims (6)
1. mechanical mill main shaft of grinding carriage, comprise housing, main shaft, bearing, the middle part of described main shaft is positioned at enclosure interior, connect by the bearing that is fixed in housing two ends between main shaft and housing, the front end of main shaft is fixedly installed ring flange, the rear end of main shaft is equipped with driven pulley, it is characterized in that: described main shaft is solid shafting, the two ends of main shaft respectively are processed with the diminished shaft of suitable tapering, the described hollow cooling structure that is provided with in housing, and described cooling structure comprises the cooling chamber that is arranged between housing and main shaft.
2. according to claim 1 mechanical mill main shaft of grinding carriage, it is characterized in that: described bearing comprises front end bearing and rear end bearing, front end bearing is Biserial cylindrical roller bearing and angular contact thrust ball bearing combination; Rear end bearing is Biserial cylindrical roller bearing, and described front end bearing spigot is loaded in the large bearing holder (housing, cover) that is fixed on the housing front end, and large bearing holder (housing, cover) oral area is equipped with the front end bearing gland; Described rear end bearing plug is loaded in the little bearing holder (housing, cover) that is fixed on the housing rear end, and little bearing holder (housing, cover) oral area is equipped with the rear end bearing gland.
3. according to claim 2 mechanical mill main shaft of grinding carriage, it is characterized in that: be provided with right-hand member bearing collar between the Biserial cylindrical roller bearing of described front end bearing and angular contact thrust ball bearing, this right-hand member bearing collar comprises the large collar of right-hand member bearing and the little collar of right-hand member bearing, and the large collar of right-hand member bearing is sleeved on the outside of the little collar of right-hand member bearing; The Biserial cylindrical roller bearing inboard of described rear end bearing is provided with left end bearing collar, and this left end bearing collar comprises the large collar of left end bearing and the little collar of left end bearing, and the large collar of left end bearing is sleeved on the outside of the little collar of left end bearing.
4. according to claim 2 mechanical mill main shaft of grinding carriage, it is characterized in that: described front end bearing gland outer edge is provided with sealing ring, and the inner Biserial cylindrical roller bearing arranged outside of front end bearing gland has the little collar of front end bearing; Described rear end bearing gland arranged outside has the little collar of rear end bearing, and the little collar of rear end bearing is fixed with concavo-convex labyrinth seal structure by rear end locking nut and rear end bearing gland.
5. according to claim 2 mechanical mill main shaft of grinding carriage is characterized in that: the angular contact thrust ball bearing inboard of described large bearing holder (housing, cover) inside is provided with the dustproof collar of right side bearing, is provided with the front end locking nut on the inboard shaft shoulder of the dustproof collar of right side bearing.
6. according to claim 2 mechanical mill main shaft of grinding carriage, is characterized in that: be provided with little bearing holder (housing, cover) between described little bearing holder (housing, cover) and housing end face and adjust pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310035664 CN103128656A (en) | 2013-01-30 | 2013-01-30 | Ball-milling mechanical grinding-wheel-rack spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310035664 CN103128656A (en) | 2013-01-30 | 2013-01-30 | Ball-milling mechanical grinding-wheel-rack spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103128656A true CN103128656A (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310035664 Pending CN103128656A (en) | 2013-01-30 | 2013-01-30 | Ball-milling mechanical grinding-wheel-rack spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103128656A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625060A (en) * | 2016-12-29 | 2017-05-10 | 芜湖新兴铸管有限责任公司 | DN350-800 casting pipe mouthing internal grinding rod assembly |
| CN113351943A (en) * | 2021-07-07 | 2021-09-07 | 山西风源机械制造有限公司 | Cyclone mill with grinding function |
-
2013
- 2013-01-30 CN CN 201310035664 patent/CN103128656A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625060A (en) * | 2016-12-29 | 2017-05-10 | 芜湖新兴铸管有限责任公司 | DN350-800 casting pipe mouthing internal grinding rod assembly |
| CN113351943A (en) * | 2021-07-07 | 2021-09-07 | 山西风源机械制造有限公司 | Cyclone mill with grinding function |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |