CN205363556U - Modified tapered roller centerless grinder's spindle unit - Google Patents
Modified tapered roller centerless grinder's spindle unit Download PDFInfo
- Publication number
- CN205363556U CN205363556U CN201620165619.2U CN201620165619U CN205363556U CN 205363556 U CN205363556 U CN 205363556U CN 201620165619 U CN201620165619 U CN 201620165619U CN 205363556 U CN205363556 U CN 205363556U
- Authority
- CN
- China
- Prior art keywords
- end cap
- main shaft
- bearing
- end cover
- grinding machine
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 229910001651 emery Inorganic materials 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000004927 clay Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a modified tapered roller centerless grinder's spindle unit, it includes emery wheel, main shaft, first end cover, second end cover, right outer lane, third end cover, combines son, left ring flange, fourth end cover, five terminal lid, left outer lane, bearing frame, the 6th end cover and axle bush, the utility model discloses the main shaft bearing structure adopts the axle bush to form wedge oil film bearing made of baked clay, guarantees to make the main shaft suspension in the pure liquid friction that forms of axle bush center, improves the running accuracy, and both ends adopt biserial thrust bearing to bear axial load, can bear axial and radial load simultaneously, improve the life of lathe by a wide margin, reduce cost with improve work efficiency.
Description
Technical field
This utility model belongs to the grinding of bearing roller external diameter grinding and comparable mechanical part, particularly relates to the main shaft device of the conical roller centerless grinding machine of a kind of improvement.
Background technology
Centerless grinder adopts penetration type grinding, and the machining accuracy of lathe, working (machining) efficiency, as centerless grinder critical component, are played very important effect, and the rotating accuracy of main shaft, rigidity are played decisive role by main shaft bearing performance by grinding wheel spindle.The grinding wheel spindle bearing that major part centreless grinding producer uses in the market adopts rolling bearing, and rolling bearing is based on accurate double row cylindrical roller bearing.The deficiency of this structure is in that owing to double-row bearing is solely subjected to radial force, a small amount of axial load can only be held, the axial force that often form of bearing damage is all excessive causes, particularly at the processing diameter part more than 40mm, general about 3 months of grinding wheel spindle bearing, it is possible to damage, does not reach processing request, so uses producer to be accomplished by frequently changing bearing, not only increase cost, frequently change bearing simultaneously and machine tool accuracy and production efficiency are produced strong influence.
Utility model content
Technical problem to be solved in the utility model is to provide one can effectively bear radial and axial load, both ensure that the machining accuracy of lathe, and had improved the main shaft device of the conical roller centerless grinding machine of the improvement in the service life of lathe simultaneously.
The technical solution adopted in the utility model is: the main shaft device of the conical roller centerless grinding machine of a kind of improvement, and it includes emery wheel, main shaft, the first end cap, the second end cap, right outer ring, the 3rd end cap, zygote, left flange plate, the 4th end cap, the 5th end cap, left outside circle, bearing block, the 6th end cap and bearing shell.
Described emery wheel is set on main shaft, described first end cap, the second end cap, right outer ring, the 3rd end cap are successively set on the right side of emery wheel from left to right, and described left flange plate, the 4th end cap, the 5th end cap, left outside circle, bearing block, the 6th end cap are successively set on the left side of emery wheel from right to left.
Described bearing shell is arranged between left outside circle and main shaft, is also equipped with bearing shell between right outer ring and main shaft, is provided with for making main shaft be suspended in the fueller of bearing bush center on the second end cap, the 3rd end cap, the 5th end cap and the 6th end cap.
This utility model is provided with biserial thrust bearing between described bearing block and main shaft.
This utility model is provided with the blind nut for adjusting bearing shell radial clearance on described left outside circle and right outer ring.
This utility model is provided with spheric washer at the two ends of described biserial thrust bearing.
Oil-in that fueller described in the utility model includes being arranged on the 3rd end cap and oil-out and the oil-in being arranged on bearing block and oil-out.
This utility model is provided with the first outside framework oil seal in described second end cap, is provided with the second outside framework oil seal in the 3rd end cap, is provided with the 3rd outside framework oil seal in the 6th end cap.
This utility model is provided with sealing ring between the first end cap and the second end cap, is also equipped with sealing ring between the 4th end cap and the 5th end cap.
Good effect of the present utility model is: spindle bearing structure adopts bearing shell to form watt wedge-shaped oil film bearing, ensure that making main shaft be suspended in bearing bush center forms neat liquid friction, improve running accuracy, two ends adopt biserial thrust bearing to bear axial load, axially and radially load can be born simultaneously, the service life of lathe is greatly improved, reduces cost and improve work efficiency.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
In the accompanying drawings, 1-main shaft, 2-dynamic balancing seat, 3-nut, 4-the 6th end cap, 5-the 3rd outside framework oil seal, 6-spheric washer, 7-bearing block, 8-biserial thrust bearing, the direct pipe joint of 9-, the left outside circle of 10-, 11-bearing shell, 12-the first end cap, 13-sealing ring, 14-the second end cap, the right outer ring of 15-, 16-the 3rd end cap, 17-zygote, 18-gland, 19-the second outside framework oil seal, 20-blind nut, 21-the first outside framework oil seal, 22-emery wheel, 23-the 4th end cap, 24-left flange plate, 26-the 5th end cap.
Detailed description of the invention
As shown in Figure 1, this utility model includes emery wheel 22, main shaft the 1, first end cap the 12, second end cap 14, right outer ring the 15, the 3rd end cap 16, zygote 17, left flange plate the 24, the 4th end cap the 23, the 5th end cap 26, left outside circle 10, bearing block the 7, the 6th end cap 4 and bearing shell 11；Described zygote 17 is arranged on main shaft 1 one end for being connected with driving device, is provided with gland 18 in zygote 17, and bearing block 7 is connected with union elbow 9.
Described emery wheel 22 is set on main shaft 1, described first end cap the 12, second end cap 14, right outer ring the 15, the 3rd end cap 16 are successively set on the right side of emery wheel 22 from left to right, and described left flange plate the 24, the 4th end cap the 23, the 5th end cap 26, left outside circle 10, bearing block the 7, the 6th end cap 4 are successively set on the left side of emery wheel 22 from right to left.The other end at main shaft 1 is provided with dynamic balancing seat 2, and nut 3 is for being fixed on main shaft 1 by dynamic balancing seat 2.
Described bearing shell 11 is arranged between left outside circle 10 and main shaft 1, between right outer ring 15 and main shaft 1, it is also equipped with bearing shell 11, the second end cap the 14, the 3rd end cap the 16, the 5th end cap 26 and the 6th end cap 4 are provided with for making main shaft be suspended in the fueller at bearing shell 11 center.It is provided with biserial thrust bearing 8 between described bearing block 7 and main shaft 1.
Described left outside circle 10 and right outer ring 15 are provided with the blind nut 20 for adjusting bearing shell 11 radial clearance.
The two ends of described biserial thrust bearing 8 are provided with spheric washer 6.
Oil-in and oil-out that described fueller includes being arranged on the 3rd end cap 16 and be arranged on the oil-in on bearing block 7 and oil-out.
In described second end cap 14, it is provided with the first outside framework oil seal 21, in the 3rd end cap 16, is provided with the second outside framework oil seal 19, in the 6th end cap 4, is provided with the 3rd outside framework oil seal 5.Between the first end cap 12 and the second end cap 14, it is provided with sealing ring 13, between the 4th end cap 23 and the 5th end cap 26, is also equipped with sealing ring.Employing has more sealing device and seals, and effectively prevents from leaking outside, it is ensured that Product Precision.
Above example only in order to the technical solution of the utility model to be described, is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in previous embodiment still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of this utility model embodiment technical scheme.
Claims (6)
1. the main shaft device of the conical roller centerless grinding machine improved, it is characterised in that it includes emery wheel (22), main shaft (1), the first end cap (12), the second end cap (14), right outer ring (15), the 3rd end cap (16), zygote (17), left flange plate (24), the 4th end cap (23), the 5th end cap (26), left outside circle (10), bearing block (7), the 6th end cap (4) and bearing shell (11)；
Described emery wheel (22) is set on main shaft (1), described first end cap (12), the second end cap (14), right outer ring (15), the 3rd end cap (16) are successively set on the right side of emery wheel (22) from left to right, and described left flange plate (24), the 4th end cap (23), the 5th end cap (26), left outside circle (10), bearing block (7), the 6th end cap (4) are successively set on the left side of emery wheel (22) from right to left；
Described bearing shell (11) is arranged between left outside circle (10) and main shaft (1), between right outer ring (15) and main shaft (1), it is also equipped with bearing shell (11), the second end cap (14), the 3rd end cap (16), the 5th end cap (26) and the 6th end cap (4) are provided with for making main shaft be suspended in the fueller at bearing shell (11) center；
Biserial thrust bearing (8) it is provided with between described bearing block (7) and main shaft (1).
2. the main shaft device of the conical roller centerless grinding machine of a kind of improvement according to claim 1, it is characterised in that be provided with the blind nut (20) for adjusting bearing shell (11) radial clearance on described left outside circle (10) and right outer ring (15).
3. the main shaft device of the conical roller centerless grinding machine of a kind of improvement according to claim 2, it is characterised in that the two ends of described biserial thrust bearing (8) are provided with spheric washer (6).
4. the main shaft device of the conical roller centerless grinding machine of a kind of improvement according to claim 1, it is characterised in that oil-in and oil-out that described fueller includes being arranged on the 3rd end cap (16) and be arranged on the oil-in on bearing block (7) and oil-out.
5. the main shaft device of the conical roller centerless grinding machine of a kind of improvement according to any one of claim 1-4, it is characterized in that being provided with the first outside framework oil seal (21) in described second end cap (14), in the 3rd end cap (16), it is provided with the second outside framework oil seal (19), in the 6th end cap (4), is provided with the 3rd outside framework oil seal (5).
6. the main shaft device of the conical roller centerless grinding machine of a kind of improvement according to any one of claim 1-4, it is characterized in that being provided with sealing ring (13) between the first end cap (12) and the second end cap (14), between the 4th end cap (23) and the 5th end cap (26), be also equipped with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620165619.2U CN205363556U (en) | 2016-03-04 | 2016-03-04 | Modified tapered roller centerless grinder's spindle unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620165619.2U CN205363556U (en) | 2016-03-04 | 2016-03-04 | Modified tapered roller centerless grinder's spindle unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205363556U true CN205363556U (en) | 2016-07-06 |
Family
ID=56264886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620165619.2U Expired - Fee Related CN205363556U (en) | 2016-03-04 | 2016-03-04 | Modified tapered roller centerless grinder's spindle unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205363556U (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 |
| CN111195837A (en) * | 2020-03-13 | 2020-05-26 | 富信成机械有限公司 | Centerless grinding machine part with combined grinding wheel spindle |
-
2016
- 2016-03-04 CN CN201620165619.2U patent/CN205363556U/en not_active Expired - Fee Related
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 |
| CN111195837A (en) * | 2020-03-13 | 2020-05-26 | 富信成机械有限公司 | Centerless grinding machine part with combined grinding wheel spindle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 |