CN104400018A - Electric main shaft of turning and milling composite machine tool - Google Patents
Electric main shaft of turning and milling composite machine tool Download PDFInfo
- Publication number
- CN104400018A CN104400018A CN201410500147.7A CN201410500147A CN104400018A CN 104400018 A CN104400018 A CN 104400018A CN 201410500147 A CN201410500147 A CN 201410500147A CN 104400018 A CN104400018 A CN 104400018A
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- China
- Prior art keywords
- axle core
- machine tool
- bearing
- fixed
- holder
- 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.)
- Pending
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Classifications
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- 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
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
- B23Q11/127—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an electric main shaft of a turning and milling composite machine tool. The electric main shaft comprises a machine body, a shaft core, a rotor component and a stator component, and further comprises a brake oil cylinder, a first stop ring, a second stop ring, a spring and a fixed base, wherein the fixed base is fixed at the upper end of the machine body, and is encircled at the outer side of the shaft core; the brake oil cylinder comprises a cylinder body, and a piston mounted in the cylinder body and extending in the axial direction of the shaft core; the cylinder body is fixed with the fixed base; the first stop ring is positioned between the bottom surface of the piston and the top surface of the fixed base; the second stop ring is positioned between the bottom surface of the first stop ring and the top surface of the fixed base, is fixedly connected with the shaft core in the radial direction, and is laminated with the first stop ring; the spring is positioned in the fixed base, upwards extends outside from the top surface of the fixed base in the axial direction, and ejects the first stop ring; and a spiral cooling water runner is formed in the wall body of the machine body for filling cooling water to cool the machine body. Under the condition of not shortening the service life, the electric main shaft realizes high-power rotation and high rotating speed.
Description
Technical field
The present invention relates to electro spindle, particularly a kind of complex milling machine tool electro spindle.
Background technology
Electro spindle is technology machine tool chief axis and spindle motor combined together occurred in Digit Control Machine Tool field.The general power of current electro spindle is less, is particularly applied to the electro spindle of complex milling machine tool, due to the impact by heating, structural volume, axle core cannot be made to obtain excessive power and make its rotation too fast, otherwise will significantly reduce in the life-span; And, if after axle core obtains very high rotating speed, self friction power can only be leaned on to stop, and the time is long, and efficiency is low, therefore, its start and stop also underaction.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of complex milling machine tool electro spindle, under the condition not reducing the life-span, realizing powerful rotation and high rotating speed.
Object of the present invention adopts following technical scheme to realize:
A kind of complex milling machine tool electro spindle, comprise body, axle core, rotor assembly and stator module, the cross-under of axle core is in body and by bearing group and body pivot joint, stator module is fixed on body inwall, rotor assembly is fixedly set in the periphery of axle core and is positioned at stator module, described complex milling machine tool electro spindle also comprises brake oil cylinder, first locating snap ring, second locating snap ring, spring and holder, holder is fixed on body upper end and is surrounded on outside axle core, brake oil cylinder comprises cylinder body and is installed in cylinder body, along the piston that the axial stretching of axle core moves, cylinder body and holder are fixed, first locating snap ring is between the bottom surface and the end face of holder of piston, second locating snap ring is between the bottom surface and the end face of holder of the first locating snap ring, radially affixed with axle core, and mutually stacked with the first locating snap ring, spring is built in holder, is axially protruded upward by the end face of holder and pushes up pressure first locating snap ring, the wall body of body has spiral helicine cooling water flow conduits, for passing into water quench body.
Preferably, described complex milling machine tool electro spindle also comprises upper end cover, bottom end cover, top chock, step, bearing group comprises upper bearing (metal) and lower bearing, upper end cover, top chock are fixed on body upper end from top to bottom successively, upper bearing (metal) is placed in top chock, and axle core upper end support protrudes upward after upper bearing (metal) is also successively through top chock, upper end cover, cylinder body; Bottom end cover, step are fixed on body lower end from the bottom to top successively, and lower bearing is placed in step, axle core lower end support in lower bearing and successively through step and bottom end cover backward under stretch out; Described holder is fixed on top chock.
Preferably, the upper end wall body of described upper end cover, top chock, body is through with the water inlet flow channel for passing into cooling water and the draining runner for discharging cooling water from top to bottom, this water inlet flow channel is communicated with the upper end of cooling water flow conduits, and this draining runner is communicated with the lower end of cooling water flow conduits.
Preferably, described bottom end cover has osculum.
Preferably, described upper bearing (metal) is single row roller bearing; Described lower bearing is multiple, is bidirectional angular contact thrust ball bearing.
Preferably, the upper end fixed cover of described axle core is equipped with locking nut.
Preferably, described cylinder body fixed sleeves is equipped with coding disk.
Compared to existing technology, beneficial effect of the present invention is:
The present invention is by passing into hydraulic oil in cylinder body, piston top is made to press the first locating snap ring, the first locating snap ring is made to contact with the second locating snap ring and produce frictional force, control axle core for giving high-speed rotation axle core neatly with resistance fast to stop, the faster efficiency of stopped process of axle core is high, and, after hydraulic fluid pressure is removed, under self elastic force effect fast of spring, the first locating snap ring will be made to be separated with the second locating snap ring, make the second locating snap ring follow the smooth and easy non-resistance of axle core to rotate, with realize axle core flexible, start fast.In addition, owing to the sidewall of body offering the cooling water flow conduits that can pass into cooling water, therefore good cooling effect can be played to body and then to axle core, be beneficial to axle core and realize powerful rotation, and can not because power is excessive the lost of life, further, set single row roller bearing and bidirectional angular contact thrust ball bearing can make axle core bear axial force and radial load better, make the high speed of axle core, powerful rotation more steady, to adapt to the occasion of high-speed rotation, powerful rotation.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of complex milling machine tool electro spindle of the present invention.
In figure: 1, locking nut; 2, coding disk; 3, top chock; 4, rotor assembly; 5, stator module; 6, step; 7, bottom end cover; 8, brake oil cylinder; 9, piston; 10, the first locating snap ring; 11, the second locating snap ring; 12, spring; 13, holder; 14, axle core; 15, body; 16, cylinder body; 17, cooling water flow conduits; 18, upper end cover; 19, water inlet flow channel; 20, draining runner; 21, osculum; 100, bearing group; 101, upper bearing (metal); 102, lower bearing.
Detailed description of the invention
A kind of complex milling machine tool electro spindle as shown in Figure 1, comprise body 15, axle core 14, rotor assembly 4, stator module 5, brake oil cylinder 8, first locating snap ring 10, second locating snap ring 11, spring 12 and holder 13, axle core 14 cross-under is in body 15 and by bearing group 100 and body 15 pivot joint, stator module 5 is fixed on body 15 inwall, rotor assembly 4 is fixedly set in the periphery of axle core 14 and is positioned at stator module 5, holder 13 is fixed on body 15 upper end and is surrounded on outside axle core 14, brake oil cylinder 8 comprises cylinder body 16 and is installed in cylinder body 16, along the piston 9 that the axial stretching of axle core 14 moves, cylinder body 16 is fixed with holder 13, first locating snap ring 10 is between the bottom surface of piston 9 and the end face of holder 13, second locating snap ring 11 is between the bottom surface and the end face of holder 13 of the first locating snap ring 10, radially affixed with axle core 14, and mutually stacked with the first locating snap ring 10, spring 12 is built in holder 13, is axially protruded upward by the end face of holder 13 and pushes up pressure first locating snap ring 10, the wall body of body 15 has spiral helicine cooling water flow conduits 17, for passing into water quench body 15.
Under the mutual magnetic induction effect of rotor assembly 4 and stator module 5, driving shaft core 14 rotates under the support in bearing group 100 in body 15.Configurablely realize high-power, high-revolving rotor assembly 4 and stator module 5, to adapt to the complicated applications occasion of complex milling machine tool.When needs axle core 14 stops operating quickly and efficiently, to the cylinder body 16 of brake oil cylinder 8, (general hydraulic jack is all equipped with hydraulic oil inlet, piston movement is promoted by the pressure of hydraulic oil) the interior hydraulic oil injecting certain pressure, hydraulic oil drives piston 9 move down and be applied to the first locating snap ring 10, produce elastic deformation, overcome spring 12 elastic force and touch the second locating snap ring 11 again, produce relative friction forces, because the second locating snap ring 11 is affixed with axle core 14, thus force axle core 14 to stop the rotation rapidly, shorten downtime; When axle core 14 need start work again; lay down the hydraulic oil pressure in cylinder body 16, under the Rapid reset elastic force effect of spring 12, piston 9 resets; first locating snap ring 10 is pressed in piston 9 bottom surface by spring 12 top and isolates with the second locating snap ring 11, makes the normal revolution work of axle core 14.Meanwhile, the cooling water entering cooling water flow conduits 17 can take away the heat of axle core 14, body 15, stator module 5, rotor assembly 4, bearing group 100 generation, to play a protective role, improves axle core 14 machining accuracy and service life.
Wherein, for realizing docking of axle core 14 and outside appurtenances, the upper end fixed cover of axle core 14 is equipped with locking nut 1.For carrying out Real-Time Monitoring and FEEDBACK CONTROL to the rotating speed of axle core 14, cylinder body 16 fixed sleeves is equipped with coding disk 2.
For on the basis ensureing axle core 14 stable rotation, overall volume structure is farthest made to reduce, make structure simpler, the complex milling machine tool electro spindle of this example also comprises upper end cover 18, bottom end cover 7, top chock 3, step 6, bearing group 100 comprises upper bearing (metal) 101 and lower bearing 102, upper end cover 18, top chock 3 are fixed on body 15 upper end from top to bottom successively, upper bearing (metal) 101 is placed in top chock 3, and axle core 14 upper end support protrudes upward after upper bearing (metal) 101 is also successively through top chock 3, upper end cover 18, cylinder body 16; Bottom end cover 7, step 6 are fixed on body 15 lower end from the bottom to top successively, and lower bearing 102 is placed in step 6, axle core 14 lower end support in lower bearing 102 and successively through step 6 and bottom end cover 7 backward under stretch out; Holder 13 is fixed on top chock 3.Upper end cover 18, top chock 3 provide the sealing function of body 15 upper end, and bottom end cover 7, step 6 provide the sealing function of body 15 lower end.
For facilitating the inlet and outlet of cooling water on the basis not increasing structural volume, the upper end wall body of upper end cover 18, top chock 3, body 15 is through with the water inlet flow channel 19 for passing into cooling water and the draining runner 20 for discharging cooling water from top to bottom, this water inlet flow channel 19 is communicated with the upper end of cooling water flow conduits 17, and this draining runner 20 is communicated with the lower end of cooling water flow conduits 17.By the guiding of water inlet flow channel 19 and draining runner 20, cooling water flows in cooling water flow conduits 17 along the wall body spiral circulation of body 15, can improve the efficiency taking away heat.
This example has osculum 21 at bottom end cover 7, for modulate, test time from body 15 in discharge waste water.
The upper bearing (metal) 101 of this example is single row roller bearing; Lower bearing 102 is multiple, is bidirectional angular contact thrust ball bearing.Axle core 14 can be made to bear axial force and radial load better, make the high speed of axle core 14, powerful rotation more steady, to adapt to the occasion of high-speed rotation, powerful rotation.
Above-mentioned embodiment is only the preferred embodiment of the present invention; can not limit the scope of protection of the invention with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present invention all belong to the present invention's scope required for protection.
Claims (7)
1. a complex milling machine tool electro spindle, comprise body, axle core, rotor assembly and stator module, the cross-under of axle core is in body and by bearing group and body pivot joint, stator module is fixed on body inwall, rotor assembly is fixedly set in the periphery of axle core and is positioned at stator module, it is characterized in that: described complex milling machine tool electro spindle also comprises brake oil cylinder, first locating snap ring, second locating snap ring, spring and holder, holder is fixed on body upper end and is surrounded on outside axle core, brake oil cylinder comprises cylinder body and is installed in cylinder body, along the piston that the axial stretching of axle core moves, cylinder body and holder are fixed, first locating snap ring is between the bottom surface and the end face of holder of piston, second locating snap ring is between the bottom surface and the end face of holder of the first locating snap ring, radially affixed with axle core, and mutually stacked with the first locating snap ring, spring is built in holder, is axially protruded upward by the end face of holder and pushes up pressure first locating snap ring, the wall body of body has spiral helicine cooling water flow conduits, for passing into water quench body.
2. complex milling machine tool electro spindle according to claim 1, it is characterized in that: described complex milling machine tool electro spindle also comprises upper end cover, bottom end cover, top chock, step, bearing group comprises upper bearing (metal) and lower bearing, upper end cover, top chock are fixed on body upper end from top to bottom successively, upper bearing (metal) is placed in top chock, and axle core upper end support protrudes upward after upper bearing (metal) is also successively through top chock, upper end cover, cylinder body; Bottom end cover, step are fixed on body lower end from the bottom to top successively, and lower bearing is placed in step, axle core lower end support in lower bearing and successively through step and bottom end cover backward under stretch out; Described holder is fixed on top chock.
3. complex milling machine tool electro spindle according to claim 2, it is characterized in that: the upper end wall body of described upper end cover, top chock, body is through with the water inlet flow channel for passing into cooling water and the draining runner for discharging cooling water from top to bottom, this water inlet flow channel is communicated with the upper end of cooling water flow conduits, and this draining runner is communicated with the lower end of cooling water flow conduits.
4. complex milling machine tool electro spindle according to claim 3, is characterized in that: described bottom end cover has osculum.
5. complex milling machine tool electro spindle according to claim 2, is characterized in that: described upper bearing (metal) is single row roller bearing; Described lower bearing is multiple, is bidirectional angular contact thrust ball bearing.
6. the complex milling machine tool electro spindle according to any one of Claims 1 to 5, is characterized in that: the upper end fixed cover of described axle core is equipped with locking nut.
7. the complex milling machine tool electro spindle according to any one of Claims 1 to 5, is characterized in that: described cylinder body fixed sleeves is equipped with coding disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500147.7A CN104400018A (en) | 2014-09-25 | 2014-09-25 | Electric main shaft of turning and milling composite machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500147.7A CN104400018A (en) | 2014-09-25 | 2014-09-25 | Electric main shaft of turning and milling composite machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104400018A true CN104400018A (en) | 2015-03-11 |
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ID=52637720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410500147.7A Pending CN104400018A (en) | 2014-09-25 | 2014-09-25 | Electric main shaft of turning and milling composite machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104400018A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942600A (en) * | 2015-06-09 | 2015-09-30 | 安庆联控机电科技发展有限公司 | Reaming and honing machine with cutter bar locking device |
| CN104942311A (en) * | 2015-06-09 | 2015-09-30 | 安庆联控机电科技发展有限公司 | Positioning spindle device for reaming and honing machine |
| CN104942602A (en) * | 2015-06-09 | 2015-09-30 | 安庆联控机电科技发展有限公司 | Reaming and honing machine with positioning main shafts |
| CN106181382A (en) * | 2016-07-13 | 2016-12-07 | 广州市昊志机电股份有限公司 | A kind of turning-milling complex processing lathe |
| CN108817422A (en) * | 2018-08-30 | 2018-11-16 | 广东今科机床有限公司 | A kind of composite metal stock-removing machine main shaft |
| CN109048446A (en) * | 2018-10-09 | 2018-12-21 | 珠海格力电器股份有限公司 | Main shaft brake system |
| CN110576197A (en) * | 2019-09-14 | 2019-12-17 | 浙江能伟科技有限公司 | Electric spindle |
| CN114147245A (en) * | 2021-11-22 | 2022-03-08 | 深圳市爱贝科精密工业股份有限公司 | Built-in brake mechanism for lathe spindle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0415138A2 (en) * | 1989-09-01 | 1991-03-06 | INDEX-WERKE GMBH & CO. KG HAHN & TESSKY | Spindle arrangement for a lathe |
| JPH11333601A (en) * | 1998-05-27 | 1999-12-07 | Toyoda Mach Works Ltd | Main spindle device |
| US20040074074A1 (en) * | 2001-11-26 | 2004-04-22 | Yasuhiko Kikkawa | Spindle device of machine tool and method of replacing spindle |
| CN201324838Y (en) * | 2008-11-21 | 2009-10-14 | 四川长征机床集团有限公司 | Electric main shaft part of composite milling machine tool |
| CN101941152A (en) * | 2010-08-27 | 2011-01-12 | 沈阳第一机床厂 | High-speed turn-milling combined machining power electric main shaft device and manufacturing method thereof |
| CN102489727A (en) * | 2011-11-26 | 2012-06-13 | 广州市昊志机电股份有限公司 | Roll ball high-speed milling electric main shaft |
| JP2013067011A (en) * | 2013-01-25 | 2013-04-18 | Nsk Ltd | Main spindle device and machine tool having the same |
| CN103567468A (en) * | 2013-09-16 | 2014-02-12 | 浙江日发精密机械股份有限公司 | Two-channel water-cooling electric spindle of digital controlled lathe |
-
2014
- 2014-09-25 CN CN201410500147.7A patent/CN104400018A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0415138A2 (en) * | 1989-09-01 | 1991-03-06 | INDEX-WERKE GMBH & CO. KG HAHN & TESSKY | Spindle arrangement for a lathe |
| JPH11333601A (en) * | 1998-05-27 | 1999-12-07 | Toyoda Mach Works Ltd | Main spindle device |
| US20040074074A1 (en) * | 2001-11-26 | 2004-04-22 | Yasuhiko Kikkawa | Spindle device of machine tool and method of replacing spindle |
| CN201324838Y (en) * | 2008-11-21 | 2009-10-14 | 四川长征机床集团有限公司 | Electric main shaft part of composite milling machine tool |
| CN101941152A (en) * | 2010-08-27 | 2011-01-12 | 沈阳第一机床厂 | High-speed turn-milling combined machining power electric main shaft device and manufacturing method thereof |
| CN102489727A (en) * | 2011-11-26 | 2012-06-13 | 广州市昊志机电股份有限公司 | Roll ball high-speed milling electric main shaft |
| JP2013067011A (en) * | 2013-01-25 | 2013-04-18 | Nsk Ltd | Main spindle device and machine tool having the same |
| CN103567468A (en) * | 2013-09-16 | 2014-02-12 | 浙江日发精密机械股份有限公司 | Two-channel water-cooling electric spindle of digital controlled lathe |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942600A (en) * | 2015-06-09 | 2015-09-30 | 安庆联控机电科技发展有限公司 | Reaming and honing machine with cutter bar locking device |
| CN104942311A (en) * | 2015-06-09 | 2015-09-30 | 安庆联控机电科技发展有限公司 | Positioning spindle device for reaming and honing machine |
| CN104942602A (en) * | 2015-06-09 | 2015-09-30 | 安庆联控机电科技发展有限公司 | Reaming and honing machine with positioning main shafts |
| CN106181382A (en) * | 2016-07-13 | 2016-12-07 | 广州市昊志机电股份有限公司 | A kind of turning-milling complex processing lathe |
| CN108817422A (en) * | 2018-08-30 | 2018-11-16 | 广东今科机床有限公司 | A kind of composite metal stock-removing machine main shaft |
| CN109048446A (en) * | 2018-10-09 | 2018-12-21 | 珠海格力电器股份有限公司 | Main shaft brake system |
| CN110576197A (en) * | 2019-09-14 | 2019-12-17 | 浙江能伟科技有限公司 | Electric spindle |
| CN114147245A (en) * | 2021-11-22 | 2022-03-08 | 深圳市爱贝科精密工业股份有限公司 | Built-in brake mechanism for lathe spindle |
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Application publication date: 20150311 |
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| RJ01 | Rejection of invention patent application after publication |