CN208034273U - The efficient cage convection current cooling structure of electro spindle - Google Patents
The efficient cage convection current cooling structure of electro spindle Download PDFInfo
- Publication number
- CN208034273U CN208034273U CN201820356611.3U CN201820356611U CN208034273U CN 208034273 U CN208034273 U CN 208034273U CN 201820356611 U CN201820356611 U CN 201820356611U CN 208034273 U CN208034273 U CN 208034273U
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- CN
- China
- Prior art keywords
- chamber
- fluid chamber
- admission
- sleeve assembly
- coolant channels
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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.)
- Expired - Fee Related
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- Mounting Of Bearings Or Others (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model is the efficient cage convection current cooling structure of electro spindle,Its structure is that sleeve assembly includes jacket and inner sleeve,Fore bearing is set on the left of sleeve assembly,Inside is motor stator,Right side sets rear bearing chamber,It inside puts on and sets coolant channels,It is sealed by housing hot jacket,It inside puts on and sets hermetic seal channel,First the second back to the fluid chamber of admission chamber is set in bearing room afterwards,Coolant liquid feed liquor access from rear bearing chamber rear end coolant inlet connection after bearing chamber,First admission chamber,First admission chamber is connected to sleeve assembly by a plurality of coolant channels,It inside puts on and sets first the second admission chamber of back to the fluid chamber,A plurality of coolant channels collect the second admission chamber of connection in sleeve assembly,Second admission chamber is connected to the first back to the fluid chamber,First back to the fluid chamber is connected to the second back to the fluid chamber by a plurality of coolant channels,Second back to the fluid chamber goes out bearing chamber rear end cooling liquid outlet after liquid access is connected to by coolant liquid.The advantages of the utility model：Compact-sized, easy to process, cooling efficiency is high, realizes electro spindle small size, high-power.
Description
Technical field
The utility model relates to the efficient cage convection current cooling structures of electro spindle.
Background technology
Electro spindle is as important one of functional component in numerically-controlled machine tool.The electro spindle of a top grade be collect it is electromechanical in
Integration, it includes the attachmentes such as high frequency converter plant, oil mist lubricator, cooling device, built-in encoder, automatic tool changer.
The shell of main shaft of the rotor of motor as lathe, main axle unit is motor bed-plate, and coordinates other parts, is realized
Motor is integrated with machine tool chief axis.
Some special purpose machine tool equipment are in order to pursue higher working efficiency, it is desirable that mating electro spindle is small, weight
Gently, but have enough output torques and power again, while realizing that front-end of spindle has hermetic seal function again, air inlet is again
It must be entered by rear-end of spindle, and electro spindle will reach such and require just solve its electrical and mechanical high-speed operating when institute
The heat of initiation distributes problem.The solution of tradition application is carried out using annular water chamber outside pyrotoxin in the prior art
Circulating cooling, hermetic seal channel therein must avoid cooling duct, then must be by increasing part wall thickness come real in structure
Existing, this structure can make the volume of product and weight increase therewith, cannot meet the requirement of machine tool.
Utility model content
The utility model proposes the efficient cage convection current cooling structure of electro spindle, purpose is intended to that the prior art is overcome to deposit
Drawbacks described above, realization improve cooling efficiency under the premise of ensureing electro spindle small in volume.
The technical solution of the utility model：The efficient cage convection current cooling structure of electro spindle, structure include sleeve group
Part and coolant channels, wherein sleeve assembly include jacket and inner sleeve, and fore bearing is set on the left of sleeve assembly, is on the inside of sleeve assembly
Motor stator, sleeve assembly right side set rear bearing chamber, and rear bearing indoor is rear bearing, inside puts on and is uniformly provided with several coolings
Liquid access, coolant channels are sealed by housing hot jacket on interior set, are inside put on equipped with hermetic seal channel, and is set in rear bearing room
One admission chamber and the second back to the fluid chamber, coolant liquid feed liquor access is from bearing chamber, the after the connection of the coolant inlet of rear bearing chamber rear end
One admission chamber, the first admission chamber by a plurality of coolant channels be connected to sleeve assembly, inside put on set the first back to the fluid chamber and second into
Sap cavity, a plurality of coolant channels in sleeve assembly collect the second admission chamber of connection, and the second admission chamber is connected to the first back to the fluid chamber, the
One back to the fluid chamber is connected to the second back to the fluid chamber by a plurality of coolant channels, and the second back to the fluid chamber goes out liquid access by coolant liquid and is connected to rear axle
Hold the cooling liquid outlet of room rear end, the first admission chamber, the first back to the fluid chamber, the second admission chamber, the second back to the fluid chamber and coolant channels
Form multi-path cage cooling structure.
The advantages of the utility model：Simple and compact for structure, process operation is convenient, and cooling efficiency is high, in sleeve assembly with before
A balanced cage convection current cooling duct is formed between bearing and rear bearing so that rear bearing, fore bearing and motor stator this
A little pyrotoxins are adequately cooled, and have effectively achieved electro spindle small size, powerful target.
Description of the drawings
Fig. 1 is the structural schematic diagram of the efficient cage convection current cooling structure of the utility model electro spindle.
Fig. 2 is the sectional view of Fig. 1.
1 in figure it is housing, 2 be inner sleeve, 3 be motor stator, 4 be rear bearing, 5 be rear bearing chamber, 6 be fore bearing, 7 is
First admission chamber, 8 be the first back to the fluid chamber, 9 be the second admission chamber, 10 be the second back to the fluid chamber, 11 be drive end bearing bracket, 12 be that hermetic seal is logical
Road, 13 be main shaft, 14 be sleeve assembly, 15 be coolant channels.
Specific implementation mode
The utility model is described in further detail with reference to embodiment and specific implementation mode.
As shown in Figure 1 and Figure 2, the efficient cage convection current cooling structure of electro spindle, structure include sleeve assembly 14 and coolant liquid
Access 15, wherein sleeve assembly 14 include housing 1 and inner sleeve 2, and 14 left side of sleeve assembly sets fore bearing 6,14 inside of sleeve assembly
For motor stator 3,14 right side of sleeve assembly sets rear bearing chamber 5, and 5 inside of rear bearing chamber is rear bearing 4, is uniformly provided in inner sleeve 2
Several coolant channels 15, the coolant channels 15 in inner sleeve 2 are sealed by 1 hot jacket of housing, and inner sleeve 2 is logical equipped with hermetic seal
Road 12 sets the first admission chamber 7 and the second back to the fluid chamber 10 in rear bearing chamber 5, and coolant liquid feed liquor access is cold from 5 rear end of rear bearing chamber
But bearing chamber 5, the first admission chamber 7, the first admission chamber 7 are connected to sleeve assembly by a plurality of coolant channels 15 after the connection of liquid entrance
14, the first back to the fluid chamber 8 and the second admission chamber 9 are set in inner sleeve 2, and a plurality of coolant channels 15 in sleeve assembly 14 collect connection
Two admission chambers 9, the second admission chamber 9 are connected to the first back to the fluid chamber 8, and the first back to the fluid chamber 8 is connected to second by a plurality of coolant channels 15
Back to the fluid chamber 10, the second back to the fluid chamber 10 go out the cooling liquid outlet of 5 rear end of bearing chamber after liquid access is connected to, the first feed liquor by coolant liquid
Chamber 7, the first back to the fluid chamber 8, the second admission chamber 9, the second back to the fluid chamber 10 and coolant channels 15 form multi-path cage cooling structure.
The coolant channels 15 are that drilling and milling form.
According to the above structure, when work, the is entered back into after being entered first from 5 rear end of rear bearing chamber by coolant liquid feed liquor access
One admission chamber 7 is further divided into a plurality of coolant channels 15 and enters sleeve assembly 14.Sleeve assembly 14 is by 1 group of inner sleeve 2 and housing hot jacket
It closes, coolant channels 15 are processed by the way of drilling and milling, and housing hot jacket 1 is recycled to carry out hot jacket sealing, you can
To realize passing through for gas circuit, and each coolant channels 15 can be uniformly distributed.A plurality of coolant channels 15 enter second after collecting
Admission chamber 9, then the first back to the fluid chamber 8 is flowed into, it is further divided into a plurality of coolant channels 15 and flow to the second back to the fluid chamber 10, it is cold finally to collect
But liquid goes out the outflow of liquid access.It is that formation one is balanced between sleeve assembly 14 and fore bearing 6 and rear bearing 4 in whole process
Cage convection current cooling duct so that rear bearing 4, fore bearing 6 and motor stator 3 these pyrotoxins are adequately cooled.(with
" a plurality of coolant channels " the visible product specification size is gone up to determine particular number.)
Above-described is only preferred embodiments of the present invention, it is noted that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (1)
1. the efficient cage convection current cooling structure of electro spindle, feature includes sleeve assembly (14) and coolant channels (15), wherein
Sleeve assembly (14) includes housing (1) and inner sleeve (2), and fore bearing (6), sleeve assembly (14) inside are set on the left of sleeve assembly (14)
For motor stator (3), sleeve assembly (14) right side sets rear bearing chamber (5), is rear bearing (4), inner sleeve on the inside of rear bearing chamber (5)
(2) several coolant channels (15) are uniformly provided on, the coolant channels (15) in inner sleeve (2) are close by housing (1) hot jacket
Envelope, inner sleeve (2) are equipped with hermetic seal channel (12), and the first admission chamber (7) and the second back to the fluid chamber (10) are set in rear bearing chamber (5),
Coolant liquid feed liquor access from the coolant inlet of rear bearing chamber (5) rear end connection after bearing chamber (5), the first admission chamber (7), first
Admission chamber (7) is connected to sleeve assembly (14) by a plurality of coolant channels (15), and the first back to the fluid chamber (8) and the are set in inner sleeve (2)
Two admission chambers (9), a plurality of coolant channels (15) in sleeve assembly (14) collect the second admission chamber of connection (9), the second feed liquor
Chamber (9) is connected to the first back to the fluid chamber (8), and the first back to the fluid chamber (8) is connected to the second back to the fluid chamber (10) by a plurality of coolant channels (15),
Second back to the fluid chamber (10) goes out the cooling liquid outlet of bearing chamber (5) rear end after the connection of liquid access, the first admission chamber by coolant liquid
(7), the first back to the fluid chamber (8), the second admission chamber (9), the second back to the fluid chamber (10) and coolant channels (15) form multi-path cage
Cooling structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820356611.3U CN208034273U (en) | 2018-03-15 | 2018-03-15 | The efficient cage convection current cooling structure of electro spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820356611.3U CN208034273U (en) | 2018-03-15 | 2018-03-15 | The efficient cage convection current cooling structure of electro spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208034273U true CN208034273U (en) | 2018-11-02 |
Family
ID=63947637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820356611.3U Expired - Fee Related CN208034273U (en) | 2018-03-15 | 2018-03-15 | The efficient cage convection current cooling structure of electro spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208034273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296875A (en) * | 2018-03-15 | 2018-07-20 | 无锡博华机电有限公司 | The efficient cage convection current cooling structure of electro spindle |
-
2018
- 2018-03-15 CN CN201820356611.3U patent/CN208034273U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296875A (en) * | 2018-03-15 | 2018-07-20 | 无锡博华机电有限公司 | The efficient cage convection current cooling structure of electro spindle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |