CN115498818A - Constant-torque engraving and milling electric spindle - Google Patents
Constant-torque engraving and milling electric spindle Download PDFInfo
- Publication number
- CN115498818A CN115498818A CN202211113091.0A CN202211113091A CN115498818A CN 115498818 A CN115498818 A CN 115498818A CN 202211113091 A CN202211113091 A CN 202211113091A CN 115498818 A CN115498818 A CN 115498818A
- Authority
- CN
- China
- Prior art keywords
- mandrel
- joint
- hole
- engraving
- communicating hole
- 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.)
- Granted
Links
- 238000003801 milling Methods 0.000 title claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 54
- 210000001503 joint Anatomy 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 12
- 230000001502 supplementing effect Effects 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 21
- 238000004891 communication Methods 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention relates to the technical field of main shafts for machine tools, and provides a constant-torque engraving and milling electric main shaft which comprises a core shaft, a rotor, a stator and an outer sleeve, wherein the rotor, the stator and the outer sleeve are sequentially sleeved outside the core shaft, and the constant-torque engraving and milling electric main shaft is characterized in that: the mandrel is provided with a first cooling channel extending along the direction parallel to the axis, the two ends of the mandrel are respectively in running fit with the outer sleeve and the sliding seat through bearings, the sliding seat is sleeved with an extension pipe and matched with the extension pipe through a linear bearing, the extension pipe is fixedly connected with the outer sleeve in a coaxial mode, the end portion of the sliding seat is fixedly provided with a butt joint seat, the butt joint seat is provided with a cooling pipe and a joint, and the end portion of the joint is inserted into the first cooling channel and communicated with the cooling pipe and the first cooling channel. In the process of heating and extending the mandrel, the cooling pipe synchronously displaces, so that the connection between the mandrel and the cooling pipe is prevented from being disconnected, the connection reliability is ensured, and the technical problem that the mandrel of the existing electric spindle cannot form an effective cooling loop is solved.
Description
Technical Field
The invention relates to a main shaft for a machine tool, in particular to a constant-torque engraving and milling electric main shaft.
Background
During the high-speed operation of the electric spindle, the built-in motor generates a large amount of heat, and although the electric spindle is provided with a cooling channel around the stator to absorb heat in the prior art, the mandrel inside the electric spindle is still inevitably heated and elongated.
The invention patent application with publication number CN114193162a discloses a machining center electric spindle which adapts to the elongation of a mandrel by adding a telescopic mechanism, but does not realize the cooling of the mandrel. If a cooling channel is arranged in the mandrel on the basis of the structure, the cooling channel is disconnected at the telescopic mechanism, specifically, the mandrel and the upper positioning rod are axially arranged at intervals, and the cooling channel is disconnected at the intervals, so that an effective cooling loop cannot be formed.
Therefore, a constant-torque engraving and milling electric spindle is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a constant-torque engraving and milling electric spindle, which solves the technical problem that a spindle of the existing electric spindle cannot form an effective cooling loop.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a permanent torque carving mills electric spindle, includes the dabber and overlaps in proper order and locates outer rotor, stator and the outer tube of dabber, its characterized in that: the mandrel is provided with a first cooling channel extending along the direction parallel to the axis, the two ends of the mandrel are respectively in running fit with the outer sleeve and the sliding seat through bearings, the sliding seat is sleeved with an extension pipe and matched with the extension pipe through a linear bearing, the extension pipe is fixedly connected with the outer sleeve in a coaxial mode, the end portion of the sliding seat is fixedly provided with a butt joint seat, the butt joint seat is provided with a cooling pipe and a joint, and the end portion of the joint is inserted into the first cooling channel and communicated with the cooling pipe and the first cooling channel.
Furthermore, the joint is step-shaped, the large-diameter end of the joint is abutted to the butt joint seat, the small-diameter end of the joint is inserted into the first cooling channel, the other end of the mandrel is provided with a filling groove arranged around the joint, a filler, a gasket and a first spring are filled between the joint and the filling groove, one end of the first spring abuts against the step surface of the joint, and the other end of the first spring is pressed with the filler through the gasket.
Furthermore, a circle of oil collecting grooves which are inwards concave along the radial direction are formed in the position, surrounding the joint, of the mandrel.
Furthermore, the mandrel is provided with a first communicating hole which is over against the oil collecting tank and extends along the radial direction, the first communicating hole is communicated with the oil collecting tank through a second communicating hole, the inner ring of the bearing is provided with an oil supplementing hole which is over against the first communicating hole, a first plug is arranged in the oil supplementing hole, the first plug is provided with a first through hole which is arranged along the axial direction, the end part of the first through hole is packaged through a rubber base plate, the rubber base plate is provided with a crack corresponding to the first through hole, and the inner side walls of the crack are mutually attached and are in a closed shape under the condition of not receiving external force;
the electric spindle is characterized in that the first communicating hole is provided with a valve core and a second plug, the valve core is a stepped shaft and is provided with a third communicating hole which penetrates along the axis direction, the second communicating holes are circumferentially distributed around the third communicating hole, a second spring is sleeved at the small-diameter end of the valve core, two ends of the second spring are respectively abutted against the step surface of the valve core and the second plug, the large-diameter end of the valve core encapsulates the second communicating hole under the action of the second spring, when the electric spindle operates, the valve core overcomes the action force of the second spring to move towards one side of the oil supplementing hole under the action of centrifugal force, and after the small-diameter end of the valve core sequentially penetrates through the second plug, the first plug and the crack, the oil collecting tank, the second communicating hole, the first communicating hole, the third communicating hole, the oil supplementing hole and the inner cavity of the bearing are sequentially communicated.
Furthermore, the cooling pipe and the joint are both in threaded connection with the butt joint seat, and a sealing ring is embedded in the adjacent end part of the cooling pipe and the joint.
Further, a bearing inner ring at one end of the mandrel abuts against the outer step surface of the mandrel, the bearing inner ring at the other end of the mandrel is tightly jacked through a locking nut, and the bearing inner rings at the two ends of the mandrel and the inner bushing are tightly jacked through spacer rings respectively;
the bearing outer ring at one end of the mandrel abuts against the inner step surface at the end part of the outer sleeve and is tightly propped through a sealing ring, the sealing ring is fixed at the end part of the outer sleeve in a press fit mode through an end cover, and a labyrinth structure seal is formed between the sealing ring and the mandrel;
and the bearing outer ring at the other end of the mandrel is abutted against the inner step surface of the sliding seat and is tightly propped through the locking nut.
Furthermore, the rotor is fixed outside the inner bushing, the stator is fixed inside the outer bushing, and a second cooling channel arranged around the stator is formed between the outer sleeve and the outer bushing.
(III) advantageous effects
The invention provides a constant-torque engraving and milling electric spindle which has the following beneficial effects: one end part of the mandrel is rotatably supported on a sliding seat through a bearing, the sliding seat is in sliding fit with an extension pipe coaxially and fixedly connected with the outer sleeve through a linear bearing, and the extension pipe slides along the outer sleeve through the sliding seat so as to adapt to the elongation of the mandrel under heating; and the cooling pipe that the dabber is connected keeps fixed through butt joint seat and sliding seat, and the dabber is heated the in-process of extension, and the cooling pipe takes place the displacement in step, avoids dabber and cooling pipe junction to take place the disconnection, ensures the reliability of connecting, and then forms effectual cooling circuit.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a partially enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the installation of the valve cartridge of the present invention;
fig. 4 is an enlarged schematic view of the installation of the valve cartridge of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1 and 2, a constant-torque engraving and milling electric spindle comprises a mandrel 1, a rotor 2, a stator 3 and an outer sleeve 6 which are sequentially sleeved outside the mandrel 1, wherein the rotor 2 is fixed with an inner bushing 4, the stator 3 is fixed with an outer bushing 5, a second cooling channel which is arranged around the stator 3 is formed between the outer sleeve 6 and the outer bushing 5, the mandrel 1 is provided with a first cooling channel 1a which extends in a direction parallel to an axis, two ends of the mandrel 1 are respectively in running fit with the outer sleeve 6 and a sliding seat 9 through bearings 18, the sliding seat 9 is externally sleeved with an extension pipe 7 and matched with the extension pipe 7 through a linear bearing 8, the extension pipe 7 is coaxially and fixedly connected with the outer sleeve 6, the end of the sliding seat 9 is fixedly provided with a butt joint seat 23, the butt joint seat is provided with a cooling pipe 11 and a joint 10 through threads, a seal ring 15 is embedded in the adjacent end of the cooling pipe 11 and the joint 10, the end of the joint 10 is arranged in the first cooling channel 1a and communicated with the cooling pipe 11 and the first cooling channel 1a, and the mandrel 1 can rotate relative to the joint 10.
Wherein only a part of the first cooling channel 1a is shown in the figure, the first cooling channel 1a can flow out from the same side of the cooling pipe 11 after forming a loop in the mandrel 1.
In this embodiment, the joint 10 is stepped, the large diameter end 10a of the joint abuts against the abutment, the small diameter end 10b of the joint is inserted into the first cooling channel 1a, the other end of the mandrel 1 is provided with a filling groove arranged around the joint 10, a packing 13, a washer and a first spring 12 are filled between the joint 10 and the filling groove, one end of the first spring 12 abuts against the step surface of the joint 10, and the other end of the first spring presses the packing 13 through the washer. The end part of the sliding seat 9 is provided with a sealing gasket 14 attached to the mandrel 1. Through the arrangement of the packing 13 and the sealing gasket 14, the sealing reliability of the joint of the first cooling channel is ensured, and meanwhile, the packing is pressed in real time under the action of the first spring, so that the sealing reliability is further ensured, and the cooling oil flowing through the first cooling channel is effectively prevented from seeping out.
In this embodiment, the bearing inner ring 18a at one end of the mandrel 1 abuts against the outer step surface of the mandrel 1, the bearing inner ring 18a at the other end of the mandrel 1 is tightly pressed by the lock nut 17, and the bearing inner rings 18a at the two ends of the mandrel 1 and the inner bushing 4 are tightly pressed by the spacer rings 16 respectively;
a bearing outer ring 18b at one end of the mandrel 1 abuts against an inner step surface at the end part of the outer sleeve and is tightly pressed through a sealing ring, the sealing ring is fixed at the end part of the outer sleeve in a press fit mode through an end cover, and a labyrinth structure seal is formed between the sealing ring and the mandrel 1;
and a bearing outer ring 18b at the other end of the mandrel 1 abuts against the inner step surface of the sliding seat 9 and is tightly pressed through a locking nut 17.
In other embodiments, as shown in fig. 3 and 4, a circle of radially inwardly concave oil collecting grooves 1b are formed at the position where the mandrel 1 is arranged around the joint 10. The mandrel 1 is provided with a first communicating hole 1c which is opposite to the oil collecting groove 1b and extends along the radial direction, the first communicating hole 1c is communicated with the oil collecting groove 1b through a second communicating hole 1d, an inner ring of the bearing 18 is provided with an oil supplementing hole 18c which is opposite to the first communicating hole 1c, a first plug 22a is installed in the oil supplementing hole 18c, the first plug 22a is provided with a first through hole which is arranged along the axial direction, the end part of the first through hole is packaged through a rubber base plate 22b, and the rubber base plate 22b is provided with a crack corresponding to the first through hole;
the valve core 19 and the second plug 21 are installed in the first communication hole 1c, the valve core 19 is a stepped shaft and is provided with a third communication hole penetrating along the axis direction, the second communication holes 1d are circumferentially distributed around the third communication hole, a second spring 20 is sleeved at the small-diameter end 19b of the valve core, and two ends of the second spring 20 respectively abut against the stepped surface of the valve core 19 and the second plug 21.
During the operation of the electric spindle, the cooling oil (having a lubricating effect on the bearing 18) that seeps between the joint 10 and the mandrel 1 collects in the oil sump 1b to reduce seepage to the other side; meanwhile, the valve core 19 overcomes the acting force of the second spring 20 to move towards one side of the oil supplementing hole 18c under the action of centrifugal force, after the small-diameter end 19b of the valve core sequentially passes through the second plug 21, the first plug 22a and the crack, the cooling oil collected in the oil collecting tank 1b is communicated with the inner cavity of the bearing 18 after passing through the second communicating hole 1d, the first communicating hole 1c, the third communicating hole and the oil supplementing hole 18c, so that the cooling oil is fully utilized, and the bearing is further lubricated; when the electric spindle stops working, namely the valve core 19 is not acted by centrifugal force, the large-diameter end 19a of the valve core seals the second communication hole 1d under the action of the second spring 20, meanwhile, the small-diameter end 19b of the valve core exits from a crack of the rubber backing plate 22b, and the inner side walls of the crack are mutually attached and closed to prevent lubricating oil in the bearing inner cavity from flowing out.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a constant torque carving mills electric spindle, includes the dabber and overlaps in proper order and locate outer rotor, stator and the outer tube of dabber, its characterized in that: the dabber is seted up along the first cooling channel that extends parallel to the axis direction, the both ends of dabber are respectively through bearing and outer tube, sliding seat normal running fit, the sliding seat overcoat is equipped with the extension pipe and cooperates with the extension pipe through linear bearing, extension pipe and the coaxial fixed connection of outer tube, the sliding seat end fixing has the butt joint seat, install cooling tube and joint on the butt joint seat, joint tip cartridge is in first cooling channel and communicates cooling tube and first cooling channel.
2. A constant torque engraving and milling electric spindle as claimed in claim 1, characterized in that: the joint is step-shaped, the large-diameter end of the joint is abutted to the butt joint seat, the small-diameter end of the joint is inserted into the first cooling channel, the other end of the mandrel is provided with a filling groove arranged around the joint, a filler, a gasket and a first spring are filled between the joint and the filling groove, one end of the first spring abuts against the step surface of the joint, and the other end of the first spring is pressed with the filler through the gasket.
3. A constant torque engraving and milling electric spindle as claimed in claim 1, characterized in that: and a circle of oil collecting grooves which are inwards concave along the radial direction are arranged at the position of the mandrel, which is arranged around the joint.
4. A constant torque engraving and milling electric spindle as claimed in claim 3, characterized in that: the mandrel is provided with a first communicating hole which is over against the oil collecting tank and extends along the radial direction, the first communicating hole is communicated with the oil collecting tank through a second communicating hole, the inner ring of the bearing is provided with an oil supplementing hole which is over against the first communicating hole, a first plug is arranged in the oil supplementing hole, the first plug is provided with a first through hole which is arranged along the axial direction, the end part of the first through hole is packaged through a rubber base plate, the rubber base plate is provided with a crack corresponding to the first through hole, and the inner side walls of the crack are mutually attached and are in a closed shape under the condition of not receiving external force;
the electric spindle is characterized in that the first communicating hole is provided with a valve core and a second plug, the valve core is a stepped shaft and is provided with a third communicating hole which penetrates along the axis direction, the second communicating holes are circumferentially distributed around the third communicating hole, a second spring is sleeved at the small-diameter end of the valve core, two ends of the second spring are respectively abutted against the step surface of the valve core and the second plug, the large-diameter end of the valve core encapsulates the second communicating hole under the action of the second spring, when the electric spindle operates, the valve core overcomes the action force of the second spring to move towards one side of the oil supplementing hole under the action of centrifugal force, and after the small-diameter end of the valve core sequentially penetrates through the second plug, the first plug and the crack, the oil collecting tank, the second communicating hole, the first communicating hole, the third communicating hole, the oil supplementing hole and the inner cavity of the bearing are sequentially communicated.
5. A constant torque engraving and milling motorized spindle as defined in claim 1, wherein: the cooling pipe and the joint are both in threaded connection with the butt joint seat, and a sealing ring is embedded in the adjacent end part of the cooling pipe and the joint.
6. A constant torque engraving and milling electric spindle as claimed in claim 1, characterized in that: the bearing inner ring at one end of the mandrel abuts against the outer step surface of the mandrel, the bearing inner ring at the other end of the mandrel is tightly jacked through a locking nut, and the bearing inner rings at the two ends of the mandrel and the inner bushing are tightly jacked through space rings respectively;
the bearing outer ring at one end of the mandrel abuts against the inner step surface at the end part of the outer sleeve and is tightly propped through a sealing ring, the sealing ring is fixedly pressed on the end part of the outer sleeve through an end cover, and a labyrinth structure seal is formed between the sealing ring and the mandrel;
and the bearing outer ring at the other end of the mandrel is abutted against the inner step surface of the sliding seat and is tightly propped through the locking nut.
7. A constant torque engraving and milling electric spindle as claimed in claim 1, characterized in that: the rotor is fixed outside the inner bushing, the stator is fixed inside the outer bushing, and a second cooling channel arranged around the stator is formed between the outer sleeve and the outer bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211113091.0A CN115498818B (en) | 2022-09-14 | 2022-09-14 | Constant torque engraving and milling electric spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211113091.0A CN115498818B (en) | 2022-09-14 | 2022-09-14 | Constant torque engraving and milling electric spindle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115498818A true CN115498818A (en) | 2022-12-20 |
| CN115498818B CN115498818B (en) | 2024-02-20 |
Family
ID=84468959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211113091.0A Active CN115498818B (en) | 2022-09-14 | 2022-09-14 | Constant torque engraving and milling electric spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115498818B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004330406A (en) * | 2003-04-17 | 2004-11-25 | Nsk Ltd | Spindle device, spindle for machine tool main shaft and spindle for high speed motor |
| EP1736277A2 (en) * | 2005-06-21 | 2006-12-27 | Fischer AG | Spindle device with through coolant and closed spindle cooling circuit running through a rotary coupling |
| JP2009214215A (en) * | 2008-03-10 | 2009-09-24 | Nsk Ltd | Spindle device for machine tool |
| WO2016133050A1 (en) * | 2015-02-16 | 2016-08-25 | 日本精工株式会社 | Spindle device |
| CN107009193A (en) * | 2017-05-22 | 2017-08-04 | 北京精雕科技集团有限公司 | A kind of electro spindle cooled down with rotor |
| CN107297513A (en) * | 2017-08-08 | 2017-10-27 | 中国科学院合肥物质科学研究院 | A kind of ultrahigh speed air static pressure electric spindle cooling structure in parallel |
| CN206764460U (en) * | 2017-05-22 | 2017-12-19 | 北京精雕科技集团有限公司 | A kind of electro spindle with rotor cooling |
| CN107891158A (en) * | 2017-11-24 | 2018-04-10 | 广州市昊志机电股份有限公司 | A kind of ultrasonic vibration high-speed electric main shaft |
| CN109412325A (en) * | 2018-11-16 | 2019-03-01 | 江苏思维福特机械科技股份有限公司 | A kind of electric machine main shaft |
| CN110560715A (en) * | 2019-09-27 | 2019-12-13 | 广州飞速尔精密部件有限公司 | Synchronous carving of axle in-core cooling permanent magnetism mills electric main shaft |
| CN111600434A (en) * | 2020-06-10 | 2020-08-28 | 佛山市顺德区华顺电机实业有限公司 | Feed motor |
-
2022
- 2022-09-14 CN CN202211113091.0A patent/CN115498818B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004330406A (en) * | 2003-04-17 | 2004-11-25 | Nsk Ltd | Spindle device, spindle for machine tool main shaft and spindle for high speed motor |
| EP1736277A2 (en) * | 2005-06-21 | 2006-12-27 | Fischer AG | Spindle device with through coolant and closed spindle cooling circuit running through a rotary coupling |
| JP2009214215A (en) * | 2008-03-10 | 2009-09-24 | Nsk Ltd | Spindle device for machine tool |
| WO2016133050A1 (en) * | 2015-02-16 | 2016-08-25 | 日本精工株式会社 | Spindle device |
| CN107009193A (en) * | 2017-05-22 | 2017-08-04 | 北京精雕科技集团有限公司 | A kind of electro spindle cooled down with rotor |
| CN206764460U (en) * | 2017-05-22 | 2017-12-19 | 北京精雕科技集团有限公司 | A kind of electro spindle with rotor cooling |
| CN107297513A (en) * | 2017-08-08 | 2017-10-27 | 中国科学院合肥物质科学研究院 | A kind of ultrahigh speed air static pressure electric spindle cooling structure in parallel |
| CN107891158A (en) * | 2017-11-24 | 2018-04-10 | 广州市昊志机电股份有限公司 | A kind of ultrasonic vibration high-speed electric main shaft |
| CN109412325A (en) * | 2018-11-16 | 2019-03-01 | 江苏思维福特机械科技股份有限公司 | A kind of electric machine main shaft |
| CN110560715A (en) * | 2019-09-27 | 2019-12-13 | 广州飞速尔精密部件有限公司 | Synchronous carving of axle in-core cooling permanent magnetism mills electric main shaft |
| CN111600434A (en) * | 2020-06-10 | 2020-08-28 | 佛山市顺德区华顺电机实业有限公司 | Feed motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115498818B (en) | 2024-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200991756Y (en) | Main axle device | |
| TW494203B (en) | Dry running coolant union | |
| CN201216941Y (en) | Thin oil lubricating device for vertical grinder cylinder bearing | |
| CN203352353U (en) | Bearing structure of double-fed wind-driven generator | |
| CN204672976U (en) | A kind of main spindle box | |
| CN115498818A (en) | Constant-torque engraving and milling electric spindle | |
| CN105673733A (en) | Oil seal lubricating structure of hydrodynamic retarder | |
| CN108561521B (en) | Lubrication structure of screw rod device | |
| CN107795692A (en) | A kind of electric eddy current dynamometer bearing seal structure of thin oil lubricant | |
| CN106402172A (en) | Lubricating structure for bearing | |
| CN102000617B (en) | Main shaft system of vertical shaft type sand maker | |
| US20160061265A1 (en) | Seal Arrangement for non-contact sealing of anti-friction bearings | |
| CN104121331B (en) | Double-screw impregnator gear drive | |
| CN205978456U (en) | Adopt digit control machine tool rotary seal device of shaft seal form | |
| CN215761521U (en) | Drive shaft assembly | |
| CN2510674Y (en) | Screw drilling tool drive shaft sealing device | |
| CN108131380A (en) | A kind of motor shaft and its manufacturing method with internal spline | |
| CN113579638A (en) | Rotating shaft sealing repair method | |
| CN208749842U (en) | A kind of bearing block assembling unit structure | |
| CN209444601U (en) | The long axle support structure of deep well pump | |
| CN205817588U (en) | Back cone formula sleeve static pressure high-speed main shaft bistrique | |
| CN205978093U (en) | Rowing machine special bearing | |
| CN202639391U (en) | Chain milling head | |
| CN215393779U (en) | Rolling bearing knife rest | |
| CN215979178U (en) | Power head for underground drill rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |