CN104485768A - Non-oil-mist energy saving environmental protection electric main shaft - Google Patents
Non-oil-mist energy saving environmental protection electric main shaft Download PDFInfo
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- CN104485768A CN104485768A CN201410613144.4A CN201410613144A CN104485768A CN 104485768 A CN104485768 A CN 104485768A CN 201410613144 A CN201410613144 A CN 201410613144A CN 104485768 A CN104485768 A CN 104485768A
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- mist
- oil
- conserving
- environmental protection
- energy saving
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a non-oil-mist energy saving environmental protection electric main shaft having sealing ring angular contact ball bearings. The non-oil-mist energy saving environmental protection electric main shaft comprises a turning shaft, a stator, bearings, a front end cover, a back end cover, sealing structures and a casing, wherein the turning shaft is provided with two sets of sealing bearings, front ends of the bearings are provided with the sealing structures, the sealing structures comprise front shaft pressure covers, front nuts and dustproof covers which are sequentially sleeved, the front shaft pressure covers, the front nuts and the dustproof covers are respectively provided with concave portions and convex portions in different quantities, the multiple concave portions and the multiple convex potions form a labyrinth type waterproof dustproof chamber, and the chamber is further communicated with water drainage grooves arranged on the dustproof covers. According to the non-oil-mist energy saving environmental protection electric main shaft, an oil mist lubrication device and an air compressor are not required to configure, no oil stain pollution exists in the work field, and the non-oil-mist energy saving environmental protection electric main shaft further has advantages of no oil cut-off, environmental protection and energy saving performance, stable operation of the main shaft, low maintenance frequency and low maintenance cost.
Description
Technical field
The present invention relates to a kind of electro spindle, particularly without fog lubrication energy-conserving and environment-protective electro spindle.
Background technology
Electro spindle is the main accessories of the industry grinding machines such as bearing all the time, owing to not needing the transmission device such as belt, gear, directly drives emery wheel to rotate, achieves electromechanical integration, also referred to as lathe built-in type electric main shaft unit.Due to the High Rotation Speed of electro spindle, so the lubrication of electric mainshaft bearing uses fog lubrication mostly, so, the use of electro spindle must configure oil mist lubrication device and air compressor.And greasy dirt easily pollutes work-yard, and once oil-break, main shaft bearing or coil damage, and often, maintenance cost is very high in maintenance.
Summary of the invention
For prior art exist defect, the invention provides without mist of oil electro spindle, solve prior art exist must configure oil mist lubrication device and air compressor, energy consumption is high, contaminated with oil mist, maintenance often, maintenance cost height etc. shortcoming.
The invention provides a kind of with sealing ring angular contact ball bearing without mist of oil energy-conserving and environment-protective electro spindle.
A kind of without mist of oil energy-conserving and environment-protective electro spindle, comprise rotating shaft, stator, bearing, front end housing, rear end cap, hermetically-sealed construction, shell etc., above-mentioned spindle shaft is provided with two groups of sealed bearings, above-mentioned bearing front end is provided with hermetically-sealed construction, above-mentioned hermetically-sealed construction comprises the front axle gland be socketed successively, front nut, dust cap, above-mentioned front axle gland, front nut, dust cap are respectively equipped with quantity depressed part not etc. and jut, above-mentioned multiple depressed part and jut form labyrinth type water proof and dust proof cavity, and above-mentioned cavity is also connected with the rhone be arranged on dust cap.
Further, above-mentioned bearing is seal angle contact ball bearing, and above-mentioned bearing is provided with sealing ring and ceramic balls.
Further, the both sides of said stator coil also scribble water-proof silica-gel layer.
Further, above-mentioned front axle gland is enclosed within the outside of front nut, and above-mentioned dust cap is fixed on shell, the inwall of above-mentioned dust cap by above-mentioned front nut compressing in front axle gland.
Further, the side of above-mentioned front nut is provided with three annular projection progressively raised by outside to axle center height.
Further, above-mentioned dust cap inwall is provided with two juts be slit into by a sunk part, above-mentioned jut is also arranged with two location counterbores.
Further, be provided with the depressed part corresponding with three annular projection on above-mentioned front nut in above-mentioned front axle gland, the outside of above-mentioned outermost depressed part is provided with multiple positioning through hole, multiple screwed hole, multiple location counterbore.
Compared with prior art, provided by the present invention without mist of oil energy-conserving and environment-protective electro spindle, without the need to configuring oil mist lubrication device and air compressor, have without oil-break, main shaft operates steadily, and work-yard is without oil pollution, save energy consumption, maintenance number of times is few, the advantage that maintenance cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the schematic diagram of the angular contact ball bearing of band sealing ring of the present invention.
Fig. 3 is the front axle gland cutaway view of hermetically-sealed construction of the present invention.
Fig. 4 is the front nut cutaway view of hermetically-sealed construction of the present invention.
Fig. 5 is the dust cap cutaway view of hermetically-sealed construction of the present invention.
Embodiment
Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
Embodiment 1
As shown in Figure 1 and Figure 5, electro spindle comprises rotating shaft 5, stator 6, bearing 7, front end housing 8, rear end cap 9, hermetically-sealed construction, shell 1 etc., spindle shaft is provided with two groups of sealed bearings 7, bearing 7 front end is provided with hermetically-sealed construction, hermetically-sealed construction comprises the front axle gland 2, front nut 3, the dust cap 4 that are socketed successively, front axle gland 2, front nut 3, dust cap 4 are respectively equipped with quantity depressed part not etc. and jut, multiple depressed part and jut form labyrinth type water proof and dust proof cavity, and cavity is also connected with the rhone 401 be arranged on dust cap.
Embodiment 2
As shown in Figure 2, bearing is the angular contact ball bearing 7(patent applied for of band sealing ring, and the patent No.: 200920113967.5), bearing 7 is provided with sealing ring and ceramic balls.As shown in Figure 2, the angular contact ball bearing of band sealing ring, comprise inner ring 02, outer ring 01, retainer 66, ceramic balls 04, ceramic balls 04 is fixed between inner ring 02 and outer ring 01 by retainer 66, retainer 66 extenal fixation sealing ring 68-1.
Embodiment 3
Stator silica gel watertight composition
The both sides of stator 6 coil also scribble water-proof silica-gel layer.The existence of water-proof silica-gel layer 601 and 602, further increases the waterproof ability of electro spindle.
Embodiment 4
Hermetically-sealed construction
As shown in Figure 1, hermetically-sealed construction is arranged at outside the bearing of electro spindle rotating shaft external part, hermetically-sealed construction comprises the front axle gland 2, front nut 3, the dust cap 4 that are socketed successively, front axle gland 2 is enclosed within the outside of front nut 3, dust cap 4 is fixed on the shell 5 of electro spindle, and front nut 3 is pressed in front axle gland 2 by the inwall of dust cap 4;
As Fig. 1, shown in Fig. 3 to Fig. 5, front axle gland 2, front nut 3, dust cap 4 are also respectively equipped with quantity annular recess not etc. and jut, multiple annular recess and jut form labyrinth type water proof and dust proof cavity, and cavity is also connected with the rhone 401 be arranged on dust cap 4.
As shown in Figure 3, the depressed part corresponding with three annular projection on front nut 3 is provided with in front axle gland 2, depressed part surrounded by annular projection 201,202,203, the outside of outermost depressed part is provided with multiple positioning through hole 204, multiple location counterbore, multiple screwed hole (not shown in FIG., with the axis being parallel of positioning through hole 204).
As shown in Figure 4, the side of front nut 3 is provided with three annular projection 301,302,303 progressively raised by outside to axle center height.
As shown in Figure 5, dust cap 4 inwall is provided with two juts 403 and 404 be divided into by a depressed part 402, jut is also arranged with two location counterbores 405.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, the scope that therefore protection scope of the present invention should define with the claims in the present invention is as the criterion.
Claims (7)
1. one kind without mist of oil energy-conserving and environment-protective electro spindle, comprise rotating shaft, stator, bearing, front end housing, rear end cap, hermetically-sealed construction, shell etc., described spindle shaft is provided with two groups of sealed bearings, it is characterized in that, described bearing front end is provided with hermetically-sealed construction, described hermetically-sealed construction comprises the front axle gland be socketed successively, front nut, dust cap, described front axle gland, front nut, dust cap is respectively equipped with quantity not wait depressed part and jut, described multiple depressed part and jut form labyrinth type water proof and dust proof cavity, described cavity is also connected with the rhone be arranged on dust cap.
2. according to claim 1ly it is characterized in that without mist of oil energy-conserving and environment-protective electro spindle, described bearing is seal angle contact ball bearing.
3. according to claim 1ly it is characterized in that without mist of oil energy-conserving and environment-protective electro spindle, described stator coil adopts silica gel application techniques to carry out waterproof.
4. according to claim 1ly it is characterized in that without mist of oil energy-conserving and environment-protective electro spindle, described front axle gland is enclosed within the outside of front nut, and described dust cap is fixed on shell, the inwall of described dust cap by described front nut compressing in front axle gland.
5. described in a kind of use 1 according to claim 1 without mist of oil energy-conserving and environment-protective electro spindle, it is characterized in that, the side of described front nut is provided with three annular projection progressively raised by outside to axle center height.
6. described in a kind of use 1 according to claim 1 without mist of oil energy-conserving and environment-protective electro spindle, it is characterized in that, described dust cap inwall is provided with two juts be slit into by a sunk part, described jut is also arranged with two location counterbores.
7. according to claim 1 without mist of oil energy-conserving and environment-protective electro spindle, it is characterized in that, be provided with the depressed part corresponding with three annular projection on described front nut in described front axle gland, the outside of described outermost depressed part is provided with multiple positioning through hole, multiple screwed hole, multiple location counterbore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410613144.4A CN104485768A (en) | 2014-11-05 | 2014-11-05 | Non-oil-mist energy saving environmental protection electric main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410613144.4A CN104485768A (en) | 2014-11-05 | 2014-11-05 | Non-oil-mist energy saving environmental protection electric main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104485768A true CN104485768A (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410613144.4A Pending CN104485768A (en) | 2014-11-05 | 2014-11-05 | Non-oil-mist energy saving environmental protection electric main shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN104485768A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821681A (en) * | 2015-05-29 | 2015-08-05 | 上海伊美特实业有限公司 | Structure for insulating water from electrical components in AC pump |
| CN105171007A (en) * | 2015-08-25 | 2015-12-23 | 上海嘉准机械设备有限公司 | AC electric spindle unit and driving method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201351682Y (en) * | 2009-02-16 | 2009-11-25 | 杭州华星轴承有限公司 | Angular contact ball bearing with seal ring |
| CN203115099U (en) * | 2013-03-12 | 2013-08-07 | 洛阳轴研科技股份有限公司 | Oil main shaft sealing structure |
| EP2623258A1 (en) * | 2012-02-01 | 2013-08-07 | Gal Way Ltd. | Spindle assembly for rotational speed increasing for machining process |
| CN204361804U (en) * | 2014-11-05 | 2015-05-27 | 杭州华星轴承有限公司 | Without mist of oil energy-conserving and environment-protective electro spindle |
-
2014
- 2014-11-05 CN CN201410613144.4A patent/CN104485768A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201351682Y (en) * | 2009-02-16 | 2009-11-25 | 杭州华星轴承有限公司 | Angular contact ball bearing with seal ring |
| EP2623258A1 (en) * | 2012-02-01 | 2013-08-07 | Gal Way Ltd. | Spindle assembly for rotational speed increasing for machining process |
| CN203115099U (en) * | 2013-03-12 | 2013-08-07 | 洛阳轴研科技股份有限公司 | Oil main shaft sealing structure |
| CN204361804U (en) * | 2014-11-05 | 2015-05-27 | 杭州华星轴承有限公司 | Without mist of oil energy-conserving and environment-protective electro spindle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821681A (en) * | 2015-05-29 | 2015-08-05 | 上海伊美特实业有限公司 | Structure for insulating water from electrical components in AC pump |
| CN105171007A (en) * | 2015-08-25 | 2015-12-23 | 上海嘉准机械设备有限公司 | AC electric spindle unit and driving method thereof |
| CN105171007B (en) * | 2015-08-25 | 2018-05-25 | 上海嘉准机械设备有限公司 | A kind of exchange spindle motor unit and its driving method |
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| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150401 |
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| RJ01 | Rejection of invention patent application after publication |