CN108772748B - Electric spindle cooling device - Google Patents
Electric spindle cooling device Download PDFInfo
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- CN108772748B CN108772748B CN201810355520.2A CN201810355520A CN108772748B CN 108772748 B CN108772748 B CN 108772748B CN 201810355520 A CN201810355520 A CN 201810355520A CN 108772748 B CN108772748 B CN 108772748B
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- hole
- liquid
- sliding body
- blind
- cooling device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1015—Arrangements for cooling or lubricating tools or work by supplying a cutting liquid through the spindle
Abstract
The invention discloses an electric spindle cooling device which comprises a water sealing seat and a sliding body. Wherein, this sliding body is installed on sealing the water seat, inlet channel and liquid outlet channel have been seted up to this water seat of sealing, inlet channel and liquid outlet channel all communicate with the inside of electricity main shaft, the liquid clearing hole has been seted up to the first end of sliding body, the one end and the inlet channel intercommunication of this liquid clearing hole, the other end and the coolant liquid source intercommunication of liquid clearing hole, the second end of sliding body is suitable for and communicates with the air supply, the sliding body can be followed and sealed the water seat and slided, the liquid clearing hole that makes the sliding body communicates with inlet channel or makes the second end of sliding body communicate with the inside of electricity main shaft. The cooling device is easy to switch, convenient and fast, and high in working efficiency.
Description
Technical Field
The invention relates to the technical field of electric spindle cooling, in particular to an electric spindle cooling device.
Background
The electric main shaft is a high-speed rotating mechanism, and is matched with a cutter to cut and grind materials such as metal, plastic, graphite and the like, and parts such as a cylinder, an aluminum water jacket, a bearing seat, a bearing, a stator, a shaft core, a rotor, an upper bearing locking nut, a lower bearing locking nut and the like are installed in the conventional electric main shaft. With the increasing requirements of machining precision, hardness and the like of parts, the requirements of performance such as power and the like of the electric spindle are also increasing, and therefore the heat generated in the working state of the electric spindle is also increasing.
At present, most of electric spindles on the market adopt an aluminum water jacket to be filled with cooling liquid for cooling, and after the electric spindles are cooled, in order to ensure the machining precision of the electric spindles, the residual cooling liquid in the electric spindles is often required to be removed completely. However, since the conventional aluminum water jacket does not have a structure for promoting removal of the residual coolant in the electric spindle, when the residual coolant is removed from the electric spindle, the aluminum water jacket must be removed and a corresponding breather must be mounted on the electric spindle, which is troublesome to use and has low work efficiency.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the electric spindle cooling device which is easy to switch, convenient and quick and high in working efficiency.
The purpose of the invention is realized by adopting the following technical scheme:
the utility model provides an electricity main shaft cooling device, includes water sealing seat and the sliding body, the sliding body is installed water sealing seat is last, liquid inlet channel and liquid outlet channel have been seted up to water sealing seat, liquid inlet channel and liquid outlet channel all communicate with the inside of electricity main shaft, liquid clearing hole has been seted up to the first end of sliding body, the one end of liquid clearing hole with liquid inlet channel intercommunication, the other end and the coolant liquid source intercommunication of liquid clearing hole, the second end of sliding body is suitable for and communicates with the air supply, the sliding body can be followed water sealing seat slides, makes the liquid clearing hole of sliding body with liquid inlet channel intercommunication or messenger the second end of sliding body communicates with the inside of electricity main shaft.
Further, the sliding body is driven by a gas source or a cooling liquid source.
Further, the slide has seted up air inlet blind hole and feed liquor blind hole along its slip direction, gaseous clearing hole has still been seted up to the slide, the inside intercommunication of gaseous clearing hole and electric main shaft, air inlet blind hole and feed liquor blind hole do not communicate, air inlet blind hole's one end with gaseous clearing hole intercommunication, air inlet blind hole's the other end with the air supply intercommunication, the one end of feed liquor blind hole with liquid clearing hole intercommunication, the other end of feed liquor blind hole with the coolant liquid source intercommunication.
Furthermore, the water sealing seat is provided with a through hole and a water passing groove, one end of the through hole is communicated with the inside of the electric spindle, the other end of the through hole is communicated with the water passing groove and the gas through hole, and the water passing groove is suitable for being communicated with the liquid through hole.
Furthermore, the water sealing seat is further provided with a guide blind hole, and the guide blind hole is in sliding fit with the first end of the sliding body.
Further, a sealing element is arranged in the guide blind hole and is suitable for being connected with the first end of the sliding body.
Furthermore, the wall surface of the guide blind hole is provided with a guide groove, the sliding body is provided with a key, and the key is matched with the guide groove.
Further, the water sealing seat is annular and is provided with a notch.
Further, a liquid inlet through hole is further formed in the water sealing seat, the inner end of the liquid inlet through hole is suitable for being communicated with the liquid inlet blind hole, the outer end of the liquid inlet through hole is connected with a liquid inlet connector, and the liquid inlet connector is suitable for being communicated with a cooling liquid source.
Furthermore, the water sealing seat is further provided with a dust removal air inlet hole, one end of the dust removal air inlet hole is communicated with the inside of the electric spindle, the other end of the dust removal air inlet hole is connected with a dust removal air inlet connector, and the dust removal air inlet connector is suitable for being communicated with an air source.
Compared with the prior art, the invention has the beneficial effects that:
when cooling off the electricity main shaft, make the slider slide for sealing the water seat, when sliding and targetting in place, liquid clearing hole and inlet channel intercommunication on the slider, let in the coolant liquid source in toward the liquid clearing hole this moment, the coolant liquid source is followed the fluid passage who forms by liquid clearing hole and inlet channel in proper order and is let in the inside of electricity main shaft, cools off the electricity main shaft, and the back that finishes is cooled off, and the coolant liquid source will flow along liquid outlet channel, accomplishes the cooling to the electricity main shaft. When the residual cooling liquid source is removed from the electric spindle, the sliding body slides relative to the water sealing seat, when the sliding body slides in place, the liquid through hole is disconnected with the liquid inlet channel, the second end of the sliding body is communicated with the inside of the electric spindle, and the second end of the sliding body is communicated with the air source, so that the residual cooling liquid source in the electric spindle can be removed, the electric spindle cooling device does not need to be detached to realize switching, convenience and rapidness are realized, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of an electric spindle cooling device according to an embodiment of the present invention;
FIG. 2 is an exploded view of the motorized spindle cooling apparatus shown in FIG. 1;
FIG. 3 is a schematic structural diagram of a water sealing seat in the cooling apparatus for an electric spindle shown in FIG. 2;
FIG. 4 is a schematic structural diagram of a sliding body in the cooling device for an electric spindle shown in FIG. 2;
fig. 5 is a cross-sectional view of the slider shown in fig. 4.
In the figure: 1. a water sealing seat; 11. a guide blind hole; 12. a water trough; 13. through the hole; 14. a liquid outlet channel; 15. a threaded hole; 16. a liquid inlet through hole; 17. a dust removal air inlet; 2. a sliding body; 21. a liquid inlet blind hole; 22. the liquid passing through the hole; 23. a blind air inlet hole; 24. a gas passing hole; 25. a key; 3. a liquid inlet joint; 4. and connecting the bolts.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
As shown in fig. 1-2, an electric spindle cooling device according to an embodiment of the present invention includes a water sealing seat 1 and a sliding body 2. Wherein, the slider 2 is installed on sealing water seat 1, inlet channel and liquid outlet channel 14 have been seted up to this sealing water seat 1, inlet channel and liquid outlet channel 14 all communicate with the inside of electricity main shaft, liquid clearing hole 22 has been seted up to the first end of slider 2, the one end and the inlet channel intercommunication of this liquid clearing hole 22, the other end and the coolant liquid source intercommunication of this liquid clearing hole 22, the second end of slider 2 is suitable for and communicates with the air supply, slider 2 can be followed and sealed water seat 1 and slided, make the liquid clearing hole 22 of slider 2 and inlet channel intercommunication or make the second end of slider 2 and the inside intercommunication of electricity main shaft, and then make this electricity main shaft cooling device can switch between letting in the air supply and letting in the coolant liquid source, high durability and convenient use. The sliding body 2 is preferably driven by an air source or a cooling liquid source, and the sliding body 2 can slide relative to the water sealing seat 1 without other additional driving sources, so that the operation is convenient and fast. It will be appreciated that in embodiments of the invention, the source of gas may be a gas and the source of cooling fluid may be a cooling fluid.
Referring to fig. 4-5, it can be seen that the sliding body 2 is provided with an air inlet blind hole 23 and a liquid inlet blind hole 21 along the sliding direction thereof, specifically, in the embodiment, the sliding body 2 is cylindrical, the air inlet blind hole 23 and the liquid inlet blind hole 21 are both provided in the axial direction of the sliding body 2, and the air inlet blind hole 23 and the liquid inlet blind hole 21 are respectively provided at both ends of the sliding body 2. The slider 2 is further opened with a gas passing hole 24, and the gas passing hole 24 and the liquid passing hole 22 are opened in the radial direction of the slider 2. The gas passing holes 24 are communicated with the inside of the electric spindle, the gas inlet blind hole 23 is not communicated with the liquid inlet blind hole 21, one end of the gas inlet blind hole 23 is communicated with the gas passing holes 24, the other end of the gas inlet blind hole 23 is communicated with a gas source, one end of the liquid inlet blind hole 21 is communicated with the liquid passing hole 22, and the other end of the liquid inlet blind hole 21 is communicated with a cooling liquid source. Through set up air inlet blind hole 23 and feed liquor blind hole 21 in the slider 2 along its slip direction to make air inlet blind hole 23 and feed liquor blind hole 21 not communicate, make and let in gas in air inlet blind hole 23 or when feed liquor blind hole 21 lets in the coolant liquid, slider 2 can slide for water sealing seat 1 under the counter force that gas produced to air inlet blind hole 23 work or the counter force that the coolant liquid produced to feed liquor blind hole 21 work.
According to the electric spindle cooling device provided by the embodiment of the invention, when the electric spindle is cooled, a certain pressure of gas is introduced into the air inlet blind hole 23, the gas pushes the sliding body 2 to slide relative to the water sealing seat 1 by a reaction force generated by acting on the air inlet blind hole 23, when the sliding body slides in place, the liquid passing hole 22 on the sliding body 2 is communicated with the liquid inlet channel, at the moment, cooling liquid is introduced into the liquid inlet blind hole 21, the cooling liquid sequentially flows into the electric spindle along a fluid channel formed by the liquid inlet blind hole 21, the liquid passing hole 22 and the liquid inlet channel, the electric spindle is cooled, and after cooling is finished, the cooling liquid flows out along the liquid outlet channel 14 to finish cooling the electric spindle. When getting rid of remaining coolant liquid to electric main shaft, let in the coolant liquid of certain pressure toward feed liquor blind hole 21 in, make the coolant liquid get into feed liquor blind hole 21, the reaction force that the coolant liquid produced to feed liquor blind hole 21 work promotes slider 2 and slides for water sealing seat 1, when sliding to the position, liquid clearing hole 22 is disconnected with inlet channel, the inside intercommunication of gas clearing hole 24 on the slider 2 and electric main shaft, let in gas toward the blind hole 23 that admits air this moment, gas follows the inside that the gas passage that is formed by admit air blind hole 23 and gas clearing hole 24 in proper order and enters into electric main shaft, can realize getting rid of the inside remaining coolant liquid source of electric main shaft, need not dismantle this electric main shaft cooling device and get off and can realize the switching between logical coolant liquid and the ventilation, and is convenient and fast, and the work efficiency is improved.
Referring to fig. 3, the water seal seat 1 is opened with a through hole 13 and a water passing groove 12, one end of the through hole 13 is communicated with the inside of the electric spindle, the other end of the through hole 13 is communicated with both the water passing groove 12 and the gas passing hole 24, and the water passing groove 12 is adapted to be communicated with the liquid passing hole 22. The other end of the through hole 13 is communicated with the water trough 12 and the gas through hole 24, so that the final path of the gas introduced into the electric spindle is consistent with the final path of the cooling liquid passing through the electric spindle, the residual cooling liquid in the electric spindle is completely removed, and the service life of the electric spindle is prolonged.
Preferably, in order to make the sliding body 2 slide smoothly relative to the water sealing seat 1, the water sealing seat 1 is further provided with a blind guiding hole 11, and the blind guiding hole 11 is in sliding fit with the first end of the sliding body 2. A sealing element is arranged in the blind guiding hole 11 and is adapted to be connected to the first end of the slider 2 in order to avoid leakage of the cooling fluid. The seal may be a gasket.
Preferably, the wall surface of the blind guide hole 11 is provided with a guide groove, and the sliding body 2 is provided with a key 25, wherein the key 25 is matched with the guide groove. Through setting up key 25 and guide way cooperation, realize the circumferential direction of restriction slider 2 to guarantee that gas clearing hole 24 and the inside intercommunication of electric main shaft or break mutually, or guarantee liquid clearing hole 22 and inlet channel intercommunication or break mutually, and then guarantee that gas or coolant liquid can smoothly let in inside the electric main shaft, realize the effective cooling to the electric main shaft and effectively get rid of the inside remaining coolant liquid of electric main shaft.
Preferably, the water sealing seat 1 is annular, and the water sealing seat 1 is provided with a notch. Through setting up the seat of sealing with water 1 and circularizing to make the seat of sealing with water 1 have a breach, during the installation, can make this electricity main shaft cooling device keep away the dynamic balance frock position of electricity main shaft (also be bearing lock nut) through the breach on this seat of sealing with water 1, also can not shelter from the dynamic balance frock position of electricity main shaft, need not dismantle this electricity main shaft cooling device and get off and can carry out dynamic balance to electricity main shaft, convenient and fast has improved work efficiency. Particularly, in this embodiment, the water sealing seat 1 is in a non-closed ring shape, so as to provide a larger working space for the dynamic balance in the later period, and facilitate the dynamic balance.
In addition, the water sealing seat 1 is also provided with a liquid inlet through hole 16, the inner end of the liquid inlet through hole 16 is suitable for being communicated with the liquid inlet blind hole 21, the outer end of the liquid inlet through hole 16 is connected with a liquid inlet joint 3, and the liquid inlet joint 3 is suitable for being communicated with a cooling liquid source.
Secondly, the water sealing seat 1 is also provided with a dust removal air inlet 17, one end of the dust removal air inlet 17 is communicated with the interior of the electric spindle, and the other end of the dust removal air inlet 17 is connected with a dust removal air inlet joint which is suitable for being communicated with an air source. The gas passing through the dust removal air inlet hole 17 is used for removing dust in the electric spindle so as to remove cutting chips or other impurities in the electric spindle and improve the machining precision of the electric spindle.
In order to install the cooling device on the shell of the electric spindle, the water sealing seat 1 is further provided with a threaded hole 15, the connecting bolt 4 penetrates through the threaded hole 15, so that the threaded end of the connecting bolt 4 is matched with the threaded hole on the shell of the electric spindle, and the cooling device of the electric spindle is fixed on the electric spindle.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides an electricity main shaft cooling device, includes the water sealing seat, inlet channel and liquid outlet channel have been seted up to the water sealing seat, inlet channel and liquid outlet channel all communicate with the inside of electricity main shaft, its characterized in that still includes the sliding body, the sliding body is installed on the water sealing seat, liquid clearing hole has been seted up to the first end of sliding body, the one end of liquid clearing hole with inlet channel intercommunication, the other end and the coolant liquid source intercommunication of liquid clearing hole, the second end of sliding body is suitable for and communicates with the air supply, the sliding body can be followed the water sealing seat slides, makes the liquid clearing hole of sliding body with inlet channel intercommunication or messenger the second end of sliding body communicates with the inside of electricity main shaft.
2. The motorized spindle cooling arrangement of claim 1, wherein the slider is driven by a source of air or coolant.
3. The motorized spindle cooling device according to claim 2, wherein the sliding body has a blind air inlet hole and a blind liquid inlet hole along a sliding direction thereof, the sliding body further has a blind gas inlet hole, the blind air inlet hole communicates with an interior of the motorized spindle, the blind liquid inlet hole does not communicate with the blind liquid inlet hole, one end of the blind air inlet hole communicates with the blind gas inlet hole, the other end of the blind air inlet hole communicates with the air source, one end of the blind liquid inlet hole communicates with the liquid inlet hole, and the other end of the blind liquid inlet hole communicates with the liquid coolant source.
4. The motorized spindle cooling device according to claim 3, wherein the water seal holder is formed with a through hole having one end communicating with the inside of the motorized spindle and a water passing groove having the other end communicating with both the water passing groove and the gas passing hole, the water passing groove being adapted to communicate with the liquid passing hole.
5. The motorized spindle cooling device according to claim 3, wherein the water seal seat further defines a blind guiding hole, and the blind guiding hole is slidably engaged with the first end of the sliding body.
6. The motorized spindle cooling device of claim 5, wherein a seal is disposed within the blind guide bore, the seal adapted to couple with the first end of the slider body.
7. The motorized spindle cooling device according to claim 6, wherein a guide groove is formed in a wall surface of the blind guide hole, and a key is disposed on the sliding body and engaged with the guide groove.
8. The motorized spindle cooling device of claim 1, wherein the water seal seat is annular and the water seal seat has a gap.
9. The motorized spindle cooling device according to claim 3, wherein the water sealing seat further comprises a liquid inlet through hole, an inner end of the liquid inlet through hole is suitable for being communicated with the liquid inlet blind hole, an outer end of the liquid inlet through hole is connected with a liquid inlet joint, and the liquid inlet joint is suitable for being communicated with a cooling liquid source.
10. The electric spindle cooling device according to any one of claims 1 to 9, wherein the water sealing seat further defines a dust-removing air inlet hole, one end of the dust-removing air inlet hole is communicated with the interior of the electric spindle, and the other end of the dust-removing air inlet hole is connected to a dust-removing air inlet joint, and the dust-removing air inlet joint is adapted to be connected to an air source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355520.2A CN108772748B (en) | 2018-04-19 | 2018-04-19 | Electric spindle cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355520.2A CN108772748B (en) | 2018-04-19 | 2018-04-19 | Electric spindle cooling device |
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| Publication Number | Publication Date |
|---|---|
| CN108772748A CN108772748A (en) | 2018-11-09 |
| CN108772748B true CN108772748B (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810355520.2A Active CN108772748B (en) | 2018-04-19 | 2018-04-19 | Electric spindle cooling device |
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| Country | Link |
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| CN (1) | CN108772748B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020667B (en) * | 2021-02-07 | 2023-04-07 | 株洲钻石切削刀具股份有限公司 | Inner-cooling split type drilling tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01193145A (en) * | 1988-01-26 | 1989-08-03 | Kitamura Mach Co Ltd | Machine tool |
| CN2659599Y (en) * | 2003-11-07 | 2004-12-01 | 叶横灿 | Mainshaft of processor |
| CN201070725Y (en) * | 2007-08-10 | 2008-06-11 | 宁波市北仑耀发机械设备有限公司 | Water flushing and cooling structure of principal axis center |
| CN102078974A (en) * | 2010-12-29 | 2011-06-01 | 广州市昊志机电有限公司 | Air floatation high-speed electric main shaft |
| CN202356978U (en) * | 2011-11-26 | 2012-08-01 | 广州市昊志机电股份有限公司 | Annular spray cooling structure of lower end cover of ball high speed mechanical main spindle |
| CN206009858U (en) * | 2016-08-29 | 2017-03-15 | 北京超同步伺服股份有限公司 | There is the electro spindle external member of refrigerating function |
| CN107199352A (en) * | 2017-07-24 | 2017-09-26 | 东莞市科隆实业有限公司 | The air-flotation electric spindle of high stability |
| CN206811142U (en) * | 2017-05-23 | 2017-12-29 | 深圳市任督科技有限公司 | A kind of electro spindle cooling system |
-
2018
- 2018-04-19 CN CN201810355520.2A patent/CN108772748B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01193145A (en) * | 1988-01-26 | 1989-08-03 | Kitamura Mach Co Ltd | Machine tool |
| CN2659599Y (en) * | 2003-11-07 | 2004-12-01 | 叶横灿 | Mainshaft of processor |
| CN201070725Y (en) * | 2007-08-10 | 2008-06-11 | 宁波市北仑耀发机械设备有限公司 | Water flushing and cooling structure of principal axis center |
| CN102078974A (en) * | 2010-12-29 | 2011-06-01 | 广州市昊志机电有限公司 | Air floatation high-speed electric main shaft |
| CN202356978U (en) * | 2011-11-26 | 2012-08-01 | 广州市昊志机电股份有限公司 | Annular spray cooling structure of lower end cover of ball high speed mechanical main spindle |
| CN206009858U (en) * | 2016-08-29 | 2017-03-15 | 北京超同步伺服股份有限公司 | There is the electro spindle external member of refrigerating function |
| CN206811142U (en) * | 2017-05-23 | 2017-12-29 | 深圳市任督科技有限公司 | A kind of electro spindle cooling system |
| CN107199352A (en) * | 2017-07-24 | 2017-09-26 | 东莞市科隆实业有限公司 | The air-flotation electric spindle of high stability |
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