CN202591628U - Energy-saving electric main shaft - Google Patents
Energy-saving electric main shaft Download PDFInfo
- Publication number
- CN202591628U CN202591628U CN 201220226806 CN201220226806U CN202591628U CN 202591628 U CN202591628 U CN 202591628U CN 201220226806 CN201220226806 CN 201220226806 CN 201220226806 U CN201220226806 U CN 201220226806U CN 202591628 U CN202591628 U CN 202591628U
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- CN
- China
- Prior art keywords
- cooling
- main shaft
- cap
- casing
- electric main
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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.)
- Withdrawn - After Issue
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Abstract
An energy-saving electric main shaft comprises a cooling casing, an electromagnetic assembly, a main shaft and a cooling cover, wherein the electromagnetic assembly is arranged inside the cooling casing, the cooling casing comprises an enclosure and an enclosure inner sleeve, the enclosure inner sleeve is arranged inside the enclosure in a squeezing mode, a labyrinth groove is arranged on the outer wall of the enclosure inner sleeve in a protruding mode, a cooling channel is defined by the labyrinth groove and the inner wall of the enclosure, the cooling channel is communicated with a cooling liquid inlet and a cooling liquid outlet, the cooling liquid inlet and the cooling liquid outlet are arranged on the enclosure, the cooling cover is arranged at the front end of the cooling casing, a secondary cooling channel is arranged inside the cooling cover, the secondary cooling channel is communicated with the cooling channel inside the cooling casing through a connecting channel, a first central hole is arranged on the cooling cover, a blowby hole which is connected with the inside space of the electric main shaft is arranged on the inner wall of the first central hole, and the main shaft penetrates through the first central hole. The electric main shaft has the advantages that the electric main shaft is cooled through the cooling casing with the cooling channel and the cooling cover with the secondary cooling channel, and the cooling effect is good.
Description
Technical field
The utility model relates to a kind of electric main shaft, particularly a kind of energy-saving electric main shaft.
Background technology
The electricity main shaft is a kind of main axle unit recently.The electric main shaft of prior art has compact conformation, in light weight, advantage such as inertia is little, vibration is little, noise is low, response is fast, has simplified Machine Tool design, is easy to realize the main shaft location, is a kind of ideal structure in the high-speed main spindle unit.
Because the rotating speed of electric main shaft is fast; Caloric value is very high; Conventional motor radiating mode is used on the electric main shaft often inapplicable, so generally all adopt electric main shaft housing road, built-in cooling labyrinth and inject the method that high pressure cools off aerosol and lower the temperature, does like this; We need an air pump to come to the cooling fluid pressurization, and the cooling in our ideal preferably only needs a water circulating pump circulating cooling liquid to lower the temperature.
Summary of the invention
For the difficult deficiency of heat radiation that overcomes existing electric main shaft cooling system, the utility model provides a kind of energy-saving electric main shaft.
The technical scheme that the utility model solves its technical problem is: a kind of energy-saving electric main shaft; Comprise the cooling shell, be located at electromagnetic assembly, main shaft in the cooling shell; Described cooling shell comprises a casing and fills in cover in the casing of being located in the casing; Be concaved with maze trough on the described casing outer wall of inside race, the inwall of described maze trough and casing surrounds the cooling duct, and said cooling duct is communicated in cooling liquid inlet and the cooling liquid outlet on the casing; Also comprise a cooling lid of being located at cooling shell front end; Be provided with time cooling duct in the described cooling lid; Said time the cooling duct is communicated with the interior cooling duct of cooling shell through interface channel; Described cooling covers and is provided with first centre bore, and said first center bore inner wall is provided with a hole of collaborating that is connected with electric main shaft inner space, and said main shaft passes first centre bore.
Further; Also comprise a rotatable preceding also cap and be wrapped in the protecgulum that the front side is covered in cooling to preceding and cap; Said protecgulum rear side covers front seal with cooling and is connected; Tapped cylinder of described preceding also cap inside part formation probes into and cools off between first centre bore and main shaft that covers, and said cylinder is crossed the hole of collaborating that cooling covers, and said preceding also cap is screwed onto with main shaft through internal thread; Before said and cap periphery is provided with the de-oiling groove of one spiral distribution, before said de-oiling groove runs through and before and after the cap; Said protecgulum is provided with second centre bore that holds main shaft, before the described second centre bore rear end is expanded and formed the de-oiling chamber and wrap and cap, also is provided with on the said protecgulum and is communicated with the de-oiling chamber to extraneous oil scupper; The rear side of said energy-saving electric main shaft has blow vent.
After said electric main shaft rotates, the lubricating oil that is positioned at electric front-end of spindle on preceding and the cap after, preceding and cap rotates at a high speed and has centrifugal action and be thrown to lubricating oil on the de-oiling chamber and discharge along oil scupper; Simultaneously; Before and the de-oiling groove that distributes of the spiral on the cap when rotating at a high speed, play the effect of an air pump, gas in the electric main shaft through the hole of collaborating; Slit on the cylinder and first centre bore; Pass the de-oiling groove that spiral distributes, arrive the de-oiling chamber and arrive the external world, further play preventing that lubricating oil from getting into the effect in the electric main shaft through oil scupper; Accordingly, said electric rear-end of spindle has blow vent, replenishes the gas that discharge the front side.
Cover manufacturing cost for reducing cooling; Further simplified structure; Described cooling lid comprises an overcoat and fills in the interior cover of being located in the overcoat that the inner ring face of said overcoat and the outer ring face of interior cover are tightly connected, and are concaved with a circle groove on the outer ring face of said interior cover; Described groove is provided with block makes the inner ring face of whole groove and overcoat surround the inferior cooling duct of a circular arc, and the cooling duct on the both sides of said cooling duct internal stop respectively are communicated with interface channel and cool off shell is connected.Like this, not only the use cost of cooling lid reduces greatly, and time cooling duct volume is enough big in the cooling lid, can make cooling lid and cooling fluid in time cooling duct of flowing through that enough big contact area and sufficiently long time of contact are arranged.
Further; Increase a labyrinth structure and improve the difficulty that lubricating oil gets into electric main shaft; Described cooling lid first centre bore of postponing is provided with a circle chimb forward, described before and cap rear side coupling chimb be provided with a circle breach, said before and the breach on the cap wrap said chimb.
Further, described cooling lid rear side also is provided with an end ring, accommodates the bearing of a supports main shaft between said end ring and cooling lid, and the correspondence hole site of collaborating is provided with passage on the described end ring.Be provided with like this, making is wrapped in the bearing arrangement is supported in the cooling, and support effect is better.
The utility model in use; Cooling liquid inlet on the cooling shell is connected with extraneous circulating cooling liquid system with cooling liquid outlet; When electric spindle operation; Cooling fluid is accomplished a cool cycles through cooling liquid inlet, interface channel, inferior cooling duct, interface channel, cooling duct, cooling liquid outlet successively; The heat that the electricity main shaft distributes is taken away by the cooling fluid of the cooling duct of flowing through, inferior cooling duct, thereby accomplishes the cooling of electric main shaft, comes cooling fluid is pressurizeed and an air pump needn't extraly be set.
The beneficial effect of the utility model is: use has the cooling shell of cooling duct and the cooling lid of time cooling duct dispels the heat good heat dissipation effect to electric main shaft.
Description of drawings
Fig. 1 is the cutaway view of an embodiment of the utility model.
Fig. 2 is the explosive view of the cooling lid relevant portion of an embodiment of the utility model.
Fig. 3 is another explosive view of the cooling lid relevant portion of an embodiment of the utility model.
Fig. 4 is a cover sketch map in embodiment casing of the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further explain.
In conjunction with accompanying drawing 1-4; A kind of energy-saving electric main shaft; Comprise the cooling shell, be located at electromagnetic assembly, main shaft 1 in the cooling shell, described cooling shell comprises a casing 2 and fills in cover 3 in the casing of being located in the casing 2 that interior the overlapping on 3 outer walls of described casing is concaved with maze trough 4A; The inwall of described maze trough 4A and casing surrounds cooling duct 4, and said cooling duct 4 is communicated in cooling liquid inlet 5 and the cooling liquid outlet on the casing; Also comprise a cooling lid 6 of being located at cooling shell front end; Be provided with time cooling duct 7 in the described cooling lid 6; Said time cooling duct 7 is communicated with the interior cooling duct 4 of cooling shell through interface channel 8; Described cooling lid 6 is provided with first centre bore 9, and said first center bore inner wall is provided with a hole 10 of collaborating that is connected with electric main shaft inner space, and said main shaft passes first centre bore 9.
In conjunction with accompanying drawing 4, the B place of the maze trough 4A that puts in the described casing connects cooling liquid inlet 5, and the C place connects cooling liquid outlet.
Increase a de-oiling structure; Also comprise a rotatable preceding also cap 11 and be wrapped in the protecgulum 12 that 6 front sides are covered in cooling to preceding and cap 11; Said protecgulum 12 rear sides cover 6 front seal with cooling and are connected; Before described and cap 11 inside parts form a tapped cylinder 13 and probe into first centre bore 9 and 1 on main shaft that cooling covers, said cylinder 13 is crossed cooling and cover the hole 10 of collaborating on 6, said preceding also cap 11 is screwed onto with main shaft 1 through internal thread; Before said and cap 11 peripheries are provided with the de-oiling groove 14 of one spiral distribution, before said de-oiling groove 14 runs through and cap 11 front and back; Said protecgulum 12 is provided with second centre bore 15 that holds main shaft 1, before described second centre bore 15 rear ends are expanded and formed de-oiling chamber 16 and wrap and cap 11, also is provided with on the said protecgulum 12 and is communicated with de-oiling chamber 16 to extraneous oil scuppers 17; The rear side of said energy-saving electric main shaft has blow vent.
Cover manufacturing cost for reducing cooling; Further simplified structure; Described cooling lid comprises an overcoat 6A and fills in the interior cover 6B that is located in the overcoat; The outer ring face of the inner ring face of said overcoat 6A and interior cover 6B is tightly connected; Be concaved with a circle groove in said on the outer ring face of cover 6B, described groove is provided with block 18 makes the inner ring face of whole groove and overcoat surround the inferior cooling duct 7 of a circular arc, and the cooling duct 4 on the both sides of said cooling duct internal stop 18 respectively are communicated with interface channel 8 and cool off shell is connected.Like this, not only the use cost of cooling lid reduces greatly, and time cooling duct volume is enough big in the cooling lid, can make cooling lid and cooling fluid in time cooling duct of flowing through that enough big contact area and sufficiently long time of contact are arranged.
Further; Increase a labyrinth structure and improve the difficulty that lubricating oil gets into electric main shaft; Described cooling lid first centre bore of postponing is provided with a circle chimb 19 forward, described before and cap rear side coupling chimb be provided with a circle breach 20, said before and the breach 20 on the cap wrap said chimb 19.
Further, described cooling lid rear side also is provided with an end ring 21, accommodates the bearing 22 of a supports main shaft between said end ring and cooling lid, and the correspondence hole site of collaborating is provided with passage 23 on the described end ring.Be provided with like this, making is wrapped in the bearing arrangement is supported in the cooling, and support effect is better.
The utility model in use; Cooling liquid inlet 5 on the cooling shell is connected with extraneous circulating cooling liquid system with cooling liquid outlet; When electric spindle operation; Cooling fluid is accomplished a cool cycles through cooling liquid inlet 5, interface channel 8, inferior cooling duct 7, interface channel 8, cooling duct 4, cooling liquid outlet successively; The heat that the electricity main shaft distributes is taken away by the cooling fluid of the cooling duct of flowing through, inferior cooling duct, thereby accomplishes the cooling of electric main shaft, comes cooling fluid is pressurizeed and an air pump needn't extraly be set.
After said electric main shaft rotates, the lubricating oil that is positioned at electric front-end of spindle on preceding and the cap 11 after, preceding and cap 11 rotation at a high speed has centrifugal action and is thrown to lubricating oil on the de-oiling chamber 16 and discharges along oil scupper 17; Simultaneously; Before and the de-oiling groove 14 that distributes of the spiral on the cap 11 when rotating at a high speed, play the effect of an air pump, gas from electric main shaft inner space through the hole 10 of collaborating; Slit on the cylinder 13 and first centre bore 9; Pass the de-oiling groove 14 that spiral distributes, arrive de-oiling chamber 16 and arrive the external world, further play preventing that lubricating oil from getting into the effect in the electric main shaft through oil scupper 17.Accordingly, said electric rear-end of spindle has blow vent, replenishes the gas that discharge the front side.
The utility model use has the cooling shell of cooling duct and the cooling lid of time cooling duct dispels the heat good heat dissipation effect to electric main shaft.
Claims (5)
1. energy-saving electric main shaft; Comprise the cooling shell, be located at electromagnetic assembly, main shaft in the cooling shell; It is characterized in that: described cooling shell comprises a casing and fills in cover in the casing of being located in the casing; Be concaved with maze trough on the described casing outer wall of inside race, the inwall of described maze trough and casing surrounds the cooling duct, and said cooling duct is communicated in cooling liquid inlet and the cooling liquid outlet on the casing;
Also comprise a cooling lid of being located at cooling shell front end; Be provided with time cooling duct in the described cooling lid; Said time the cooling duct is communicated with the interior cooling duct of cooling shell through interface channel; Described cooling covers and is provided with first centre bore, and said first center bore inner wall is provided with a hole of collaborating that is connected with electric main shaft inner space, and said main shaft passes first centre bore.
2. energy-saving electric main shaft according to claim 1; It is characterized in that: also comprise a rotatable preceding also cap and be wrapped in the protecgulum that the front side is covered in cooling to preceding and cap; Said protecgulum rear side covers front seal with cooling and is connected; Tapped cylinder of described preceding also cap inside part formation probes into and cools off between first centre bore and main shaft that covers, and said cylinder is crossed the hole of collaborating that cooling covers, and said preceding also cap is screwed onto with main shaft through internal thread; Before said and cap periphery is provided with the de-oiling groove of one spiral distribution, before said de-oiling groove runs through and before and after the cap; Said protecgulum is provided with second centre bore that holds main shaft, before the described second centre bore rear end is expanded and formed the de-oiling chamber and wrap and cap, also is provided with on the said protecgulum and is communicated with the de-oiling chamber to extraneous oil scupper, and the rear side of said energy-saving electric main shaft has blow vent.
3. energy-saving electric main shaft according to claim 1 and 2; It is characterized in that: described cooling lid comprises an overcoat and fills in the interior cover of being located in the overcoat; The inner ring face of said overcoat and the outer ring face of interior cover are tightly connected; Be concaved with a circle groove in said on the outer ring face of cover; Described groove is provided with block makes the inner ring face of whole groove and overcoat surround the inferior cooling duct of a circular arc, and the cooling duct on the both sides of said cooling duct internal stop respectively are communicated with interface channel and cool off shell is connected.
4. energy-saving electric main shaft according to claim 1 and 2; It is characterized in that: described cooling is covered first centre bore of postponing and is provided with a circle chimb forward; Described preceding also cap rear side coupling chimb is provided with a circle breach, and the breach on the said preceding also cap wraps said chimb.
5. according to claim 1 or 2 or described energy-saving electric main shaft; It is characterized in that: described cooling lid rear side also is provided with an end ring; Accommodate the bearing of a supports main shaft between said end ring and cooling lid, the correspondence hole site of collaborating is provided with passage on the described end ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220226806 CN202591628U (en) | 2012-05-21 | 2012-05-21 | Energy-saving electric main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220226806 CN202591628U (en) | 2012-05-21 | 2012-05-21 | Energy-saving electric main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202591628U true CN202591628U (en) | 2012-12-12 |
Family
ID=47309212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220226806 Withdrawn - After Issue CN202591628U (en) | 2012-05-21 | 2012-05-21 | Energy-saving electric main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202591628U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699354A (en) * | 2012-05-21 | 2012-10-03 | 慈溪市贝利轴承有限公司 | Energy-saving electric spindle |
| CN110773758A (en) * | 2018-07-31 | 2020-02-11 | 发那科株式会社 | Spindle device |
-
2012
- 2012-05-21 CN CN 201220226806 patent/CN202591628U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699354A (en) * | 2012-05-21 | 2012-10-03 | 慈溪市贝利轴承有限公司 | Energy-saving electric spindle |
| CN102699354B (en) * | 2012-05-21 | 2013-12-11 | 慈溪市贝利轴承有限公司 | Energy-saving electric spindle |
| CN110773758A (en) * | 2018-07-31 | 2020-02-11 | 发那科株式会社 | Spindle device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121212 Effective date of abandoning: 20131211 |
|
| RGAV | Abandon patent right to avoid regrant |