CN108927535B - High-rotation-speed motorized spindle - Google Patents
High-rotation-speed motorized spindle Download PDFInfo
- Publication number
- CN108927535B CN108927535B CN201811009535.XA CN201811009535A CN108927535B CN 108927535 B CN108927535 B CN 108927535B CN 201811009535 A CN201811009535 A CN 201811009535A CN 108927535 B CN108927535 B CN 108927535B
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- Prior art keywords
- rotating shaft
- lock nut
- tool changing
- nut
- pull rod
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- 239000000428 dust Substances 0.000 claims description 29
- 238000009434 installation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 210000000078 claw Anatomy 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention provides a high-rotation-speed motorized spindle, which comprises: the casing and the pivot of setting inside the casing, the upper and lower both ends of pivot are fixed through upper bearing and lower bearing respectively to set up the upper bearing installation department that comprises first horizontal board, second horizontal board and bolster bearing housing in the casing position that upper bearing corresponds, be provided with the pretension spring between second horizontal board and bolster bearing housing and carry out pretension to the upper bearing, fix through lower bearing lock nut in the lower bearing below. The upper bearing is arranged at the upper bearing mounting part with the pre-tightening spring, and the lower bearing is fixed by the lower bearing locking nut, so that the rotating shaft can still keep stable in the high-speed running process, and the technical problem that the rotating shaft is easy to shake and separate due to the fact that the conventional electric spindle rotating shaft is not stable enough to mount is solved.
Description
Technical Field
The invention relates to the field of electric spindles, in particular to a high-rotation-speed electric spindle.
Background
The inside pivot of current electricity main shaft passes through upper and lower bearing and installs in the inside of casing, but when current upper and lower bearing was fixed in the inside of casing, because upper and lower bearing is fixed at the mounting structure of casing inner wall simple, and when motor shaft was at high-speed operation, the pivot produced vibration easily, and the vibration of pivot drove the rocking of bearing for the pivot easily takes place to break away from in the inside of casing, and life-span and the security of electricity main shaft have received very big influence.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
In view of the shortcomings of the prior art, the invention aims to provide a high-rotation-speed motorized spindle, and aims to solve the technical problems that an inner rotating shaft of the existing motorized spindle is easy to separate from a shell under high-speed rotation and the installation of the rotating shaft is not stable enough.
The technical scheme of the invention is as follows:
A high rotational speed motorized spindle, comprising: the casing and set up the pivot in the casing inside, be provided with the bulge loop on the lateral surface of pivot lower extreme, the cover is equipped with the lower bearing in the pivot of bulge loop below, and the lower extreme of pivot passes through the lower bearing is fixed on the casing, and the cover is equipped with lower bearing lock nut in the pivot of lower bearing below, and the lower bearing passes through bulge loop and lower bearing lock nut are fixed in the pivot, and the cover is equipped with the rotor in the pivot of bulge loop top, is provided with the stator on the casing that the rotor corresponds, and the pivot passes through rotor and stator drive, the cover is equipped with rotor lock nut in the pivot of rotor top, and the rotor passes through rotor lock nut and bulge loop are fixed in the pivot, and the cover is equipped with the upper bearing in the pivot of rotor lock nut top, is provided with the upper bearing installation department on the casing that the upper bearing corresponds, upper bearing installation department is including the first transverse plate and the second transverse plate of interval setting, first transverse plate and second transverse plate pass through interference fit block in the casing, be provided with the bearing frame between first transverse plate and the second transverse plate, the rotor lock nut passes through interference fit block, the upper bearing frame is connected between the transverse plate and the second bearing frame.
The high-rotation-speed motorized spindle is characterized in that a tool changing pull rod is arranged in the rotating shaft, a first dust removing air passage is arranged in the center of the tool changing pull rod, a rear cover is arranged at the upper end of the machine shell, a dust removing connector is arranged on the rear cover, and the tool changing pull rod extends upwards until the first dust removing air passage is in butt joint with the dust removing connector.
The high-rotation-speed motorized spindle is characterized in that a connector is arranged at the top end of the tool changing pull rod, the connector is fixed with the tool changing pull rod through a connecting sleeve, and the tool changing pull rod is in butt joint with the dust removing connector through the connector.
The high-rotation-speed motorized spindle is characterized in that a pressing plate is sleeved on the upper portion of the tool changing pull rod, a pneumatic piston is arranged on the upper portion of the machine shell and used for driving the pressing plate to move downwards to drive the tool changing pull rod to move downwards for tool changing.
And the high-rotation-speed motorized spindle is characterized in that a sealing ring is arranged at the contact position of the pneumatic piston and the shell.
The high-rotation-speed motorized spindle is characterized in that a check ring is arranged on a tool changing pull rod below the pressure plate, a reset spring is sleeved on the tool changing pull rod below the check ring, the check ring and the reset spring below the check ring are arranged in the rotating shaft, a shoulder is arranged on the inner side face of the rotating shaft below the reset spring, and the reset spring is in butt joint with the shoulder and used for resetting the tool changing pull rod after tool changing.
The high-rotation-speed motorized spindle is characterized in that a fixing nut used for preventing the retainer ring from being separated from the inside of the rotating shaft is arranged at the top end of the rotating shaft.
The high-rotation-speed motorized spindle comprises a lower bearing lock nut, wherein the lower bearing lock nut comprises an inner ring lock nut and an outer ring lock nut, an upper flange is upwards extended from an inner ring of the inner ring lock nut, and the outer ring lock nut is sleeved on the outer side of the upper flange of the inner ring lock nut.
The high-rotation-speed motorized spindle is characterized in that a waterproof nut is sleeved on a rotating shaft below the lower bearing lock nut, a front cover is sleeved on the outer side face of the waterproof nut, and a waterproof end cover extends outwards from the lower end of the waterproof nut.
The beneficial effects are that: the invention provides a high-rotation-speed motorized spindle, which comprises the following components: the casing and the pivot of setting inside the casing, the upper and lower both ends of pivot are fixed through upper bearing and lower bearing respectively to set up the upper bearing installation department that comprises first horizontal board, second horizontal board and bolster bearing housing in the casing position that upper bearing corresponds, be provided with the pretension spring between second horizontal board and bolster bearing housing and carry out pretension to the upper bearing, fix through lower bearing lock nut in the lower bearing below. The upper bearing is arranged at the upper bearing mounting part with the pre-tightening spring, and the lower bearing is fixed by the lower bearing locking nut, so that the rotating shaft can still keep stable in the high-speed running process, and the technical problem that the rotating shaft is easy to shake and separate due to the fact that the conventional electric spindle rotating shaft is not stable enough to mount is solved.
Drawings
Fig. 1 is an exploded view of a high-speed motorized spindle according to the present invention.
Fig. 2 is a schematic cross-sectional structure of a high-rotation-speed motorized spindle according to the present invention.
Detailed Description
The invention provides a high-rotation-speed motorized spindle, which is further described in detail below for the purpose, technical scheme and effect of the invention to be clearer and more definite. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, a high rotation speed motorized spindle of the present invention comprises: the machine comprises a machine shell 10 and a rotating shaft 20 arranged in the machine shell, wherein a convex ring 30 is arranged on the outer side surface of the lower end of the rotating shaft, a lower bearing 40 is sleeved on the rotating shaft below the convex ring, the lower end of the rotating shaft is fixed on the machine shell through the lower bearing, the outer side surface of the lower bearing is in contact with the inner side surface of the machine shell, and the lower bearing is in interference fit with the machine shell; a lower bearing lock nut 50 is sleeved on the rotating shaft below the lower bearing, the lower bearing is fixed on the rotating shaft through the convex ring and the lower bearing lock nut, a rotor 60 is sleeved on the rotating shaft above the convex ring, a stator is arranged on a shell corresponding to the rotor, the rotating shaft is driven through the rotor and the stator, the stator and the rotor are combined into a motor, high-frequency three-phase electricity output by an external driving mechanism is supplied to the motor through a built-in motor lead wire, and the rotating shaft is driven to rotate at a high speed; a rotor lock nut 80 is sleeved on the rotating shaft above the rotor, the rotor is fixed on the rotating shaft through the rotor lock nut and the convex ring, and the rotor lock nut and the convex ring can prevent the rotor from moving up and down on the rotating shaft in the high-speed rotation of the rotating shaft; the pivot of rotor lock nut top is gone up the cover and is equipped with upper bearing 90, is provided with upper bearing installation department on the casing that upper bearing corresponds, upper bearing installation department is including first transverse plate 100 and the second transverse plate 110 that the interval set up, first transverse plate and second transverse plate pass through interference fit block in the casing, be provided with bolster 120 between first transverse plate and the second transverse plate, connect through screw 130 between first transverse plate, second transverse plate and the bolster, the upper bearing is installed in the bolster, just be provided with pretension spring 140 between second transverse plate and the bolster. Preferably, a ball sleeve 150 is arranged between the upper bearing seat and the casing, so that the upper bearing seat is convenient to install.
According to the high-rotation-speed electric spindle, the upper bearing and the lower bearing on the rotating shaft are directly embedded on the inner wall of the shell and are clamped through interference fit, and under high-speed rotation of the rotating shaft, the upper bearing and the lower bearing are easy to loosen, so that the rotating shaft is separated; in addition, in order to achieve a better rotating effect of the rotating shaft and improve the service life of the bearing, 2 upper bearings and 2 lower bearings are arranged in the invention, and the adjacent upper bearings and the adjacent lower bearings are separated by a spacer.
In the preferred scheme, the inside of pivot is provided with tool changing pull rod 160, the center of tool changing pull rod is provided with first dust removal air flue 170, back lid 180 is installed to the upper end of casing, be provided with the dust removal joint 190 on the back lid, the tool changing pull rod upwards extends until first dust removal air flue with the dust removal joint butt. In the processing process of the electric spindle, the front end of the electric spindle easily generates scraps of an object to be processed, and the scraps are easily sucked into the electric spindle to cause damage of the electric spindle. Preferably, the first dust removal air flue can be a central water outlet channel, the dust removal connector is a water inlet connector, the existing rotating shaft rotates at a high speed, a large amount of heat is brought, the cooling channel at the outer end is difficult to take away the heat of the rotating shaft, the temperature of the rotating shaft is increased, the shaft end is prolonged, the machining precision of the electric spindle is greatly influenced, the central water outlet channel is arranged, the heat of the rotating shaft can be effectively taken away, and the dust removal device can be used for cleaning and cooling a tool bit and a surface to be machined.
In a preferred scheme, a connector 200 is arranged at the top end of the tool changing pull rod, the connector and the tool changing pull rod are fixed through a connecting sleeve 210, and the tool changing pull rod is abutted with the dust removing connector through the connector. The damage that the pivot lug connection dust removal connects easily leads to the pivot, needs frequent change pivot, in order to improve the life-span of pivot, is connected with one section removable connector between pivot and dust removal joint, and this connector has umbrella-shaped top and echelonment bottom, connects in the top of pivot through the adapter sleeve, increases the area of contact of first dust removal air flue and dust removal joint through the umbrella-shaped top of connector, increases the flow of gas in the air flue.
In the preferred scheme, the upper portion cover of tool changing pull rod is equipped with pressure disk 220, the upper portion of casing is provided with pneumatic piston 230, pneumatic piston is used for driving the pressure disk moves down and drives the tool changing pull rod moves down and carries out the tool changing. The tool changing pull rod can move up and down, the pneumatic piston and the pressure plate are used for driving, the lug part of the pneumatic piston is embedded in the groove part of the shell and can float up and down, the upper end and the lower end of the groove part of the shell are respectively connected with a first air passage and a second air passage, and the upward floating and the downward moving of the pneumatic piston are respectively controlled through the first air passage and the second air passage.
In a preferred embodiment, a sealing ring 240 is provided at a position where the air piston contacts the casing in consideration of the air tightness requirement of the air piston for floating up and down.
In the preferred scheme, be provided with retaining ring 250 on the tool changing pull rod of the below of pressure disk, the cover is equipped with reset spring 260 on the tool changing pull rod of retaining ring below, the reset spring of retaining ring and retaining ring below sets up in the inside of pivot, and the lateral surface of retaining ring is laminated with the medial surface of pivot, is provided with convex shoulder 270 on the medial surface of pivot of reset spring below, reset spring with convex shoulder contact and be used for the reset of tool changing pull rod after the tool changing. The downward movement of the tool changing pull rod is controlled by the pneumatic piston mechanism, the tool changing pull rod needs to be reset by a reset spring on the tool changing pull rod after tool changing, the check ring and the reset spring are all arranged in the rotating shaft, and preferably, the top end of the rotating shaft is provided with a fixing nut for preventing the check ring from being separated from the rotating shaft. The distance that the tool changing pull rod slides up and down is the distance between fixation nut and the convex shoulder, and the below of tool changing pull rod is provided with tool pulling claw 280, and this pulling claw can open and close around the center like the opening and shutting of umbrella, and the tip inboard of pulling claw is provided with block protruding 290, and the back is closed to the pulling claw with this block protruding hook joint tool on the tool changing pull rod.
In a preferred embodiment, the lower bearing lock nut includes an inner ring lock nut 300 and an outer ring lock nut 310, wherein an inner ring of the inner ring lock nut extends upward to form an upper flange 320, and the outer ring lock nut is sleeved on an outer side of the upper flange of the inner ring lock nut. The lower bearing lock nut is of a double-nut structure, the outer ring lock nut is sleeved on the upper flange of the inner ring lock nut, a gap is formed between the inner ring lock nut and the outer ring lock nut, the inner ring lock nut is used for fixing the inner ring of the bearing and can rotate together with the rotating shaft, the outer ring lock nut is used for fixing the outer ring of the bearing and is in threaded connection with the inner wall of the shell, and in high-speed operation of the rotating shaft, the lower bearing can be firmly fixed on the rotating shaft and the shell, and separation and shaking of the bearing are prevented.
In the preferred scheme, the cover is equipped with waterproof spiral shell 330 in the pivot of lower bearing lock nut's below, waterproof nut spiro union in the pivot, can rotate together with the pivot, the cover is equipped with protecgulum 340 on waterproof nut's the lateral surface, and the protecgulum sets up with waterproof nut clearance, and the protecgulum is connected with the casing, waterproof nut's lower extreme outwards extends has waterproof end cover 350. The inner ring lock nut comprises an inner ring lock nut, wherein an outer ring of the inner ring lock nut downwards extends to form a lower flange, a first groove is formed between the lower flange and the waterproof nut, a second groove is formed between the waterproof end cover and the waterproof nut, an inner ring is arranged on an inner ring of the front cover, and two ends of the inner ring are respectively clamped in the first groove and the second groove. According to the front end mounting structure of the electric spindle, a tortuous and bent internal path can be formed among the front cover, the waterproof nut and the lower bearing locking nut at the front end, so that external moisture or dust cannot enter the spindle through the path.
In the preferred scheme, the inside of protecgulum is provided with second dust removal air flue 360, clearance setting between protecgulum, inner ring lock nut and the waterproof end cover, the second dust removal air flue with the clearance is connected. And the second dust removal air passage is used for air inflow, and the air is diffused along the gap until being discharged from the gap between the waterproof end cover and the front cover and is diffused to the periphery of the waterproof end cover, so that dust particles and moisture in the air are blown away.
In summary, the high-rotation-speed motorized spindle provided by the invention comprises: the casing and the pivot of setting inside the casing, the upper and lower both ends of pivot are fixed through upper bearing and lower bearing respectively to set up the upper bearing installation department that comprises first horizontal board, second horizontal board and bolster bearing housing in the casing position that upper bearing corresponds, be provided with the pretension spring between second horizontal board and bolster bearing housing and carry out pretension to the upper bearing, fix through lower bearing lock nut in the lower bearing below. The upper bearing is arranged at the upper bearing mounting part with the pre-tightening spring, and the lower bearing is fixed by the lower bearing locking nut, so that the rotating shaft can still keep stable in the high-speed running process, and the technical problem that the rotating shaft is easy to shake and separate due to the fact that the conventional electric spindle rotating shaft is not stable enough to mount is solved.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (5)
1. A high rotational speed motorized spindle, comprising: the device comprises a shell and a rotating shaft arranged in the shell, wherein a convex ring is arranged on the outer side surface of the lower end of the rotating shaft, a lower bearing is sleeved on the rotating shaft below the convex ring, the lower end of the rotating shaft is fixed on the shell through the lower bearing, a lower bearing locking nut is sleeved on the rotating shaft below the lower bearing, and the lower bearing is fixed on the rotating shaft through the convex ring and the lower bearing locking nut; the rotor is sleeved on the rotating shaft above the convex ring, the stator is arranged on the shell corresponding to the rotor, the rotating shaft drives through the rotor and the stator, the rotor lock nut is sleeved on the rotating shaft above the rotor, the rotor is fixed on the rotating shaft through the rotor lock nut and the convex ring, an upper bearing is sleeved on the rotating shaft above the rotor lock nut, an upper bearing mounting part is arranged on the shell corresponding to the upper bearing, the upper bearing mounting part comprises a first transverse plate and a second transverse plate which are arranged at intervals, the first transverse plate and the second transverse plate are clamped in the shell through interference fit, an upper bearing seat is arranged between the first transverse plate and the second transverse plate, the first transverse plate, the second transverse plate and the upper bearing seat are connected through screws, the upper bearing is arranged in the upper bearing seat, and a pre-tightening spring is arranged between the second transverse plate and the upper bearing seat;
The inner part of the rotating shaft is provided with a tool changing pull rod, the center of the tool changing pull rod is provided with a first dust removing air passage, the upper end of the shell is provided with a rear cover, the rear cover is provided with a dust removing joint, and the tool changing pull rod extends upwards until the first dust removing air passage is abutted with the dust removing joint; the top end of the tool changing pull rod is provided with a connector, the connector and the tool changing pull rod are fixed through a connecting sleeve, and the tool changing pull rod is abutted with the dust removing connector through the connector; the connecting head is provided with an umbrella-shaped top and a stepped bottom, the connecting sleeve is connected above the rotating shaft, and the umbrella-shaped top of the connecting head is used for increasing the contact area between the first dust removing air passage and the dust removing connector;
The lower bearing lock nut comprises an inner ring lock nut and an outer ring lock nut, an upper flange extends upwards from the inner ring of the inner ring lock nut, and the outer ring lock nut is sleeved on the outer side of the upper flange of the inner ring lock nut; a waterproof nut is sleeved on the rotating shaft below the lower bearing locking nut, a front cover is sleeved on the outer side surface of the waterproof nut, and a waterproof end cover extends outwards from the lower end of the waterproof nut;
The inner ring lock nut comprises an inner ring lock nut, wherein an outer ring of the inner ring lock nut downwards extends to form a lower flange, a first groove is formed between the lower flange and the waterproof nut, a second groove is formed between the waterproof end cover and the waterproof nut, an inner ring is arranged on an inner ring of the front cover, two ends of the inner ring are respectively clamped in the first groove and the second groove, and a bent inner path can be formed among the front cover, the waterproof nut and the lower bearing lock nut.
2. The high-rotation-speed motorized spindle of claim 1, wherein a pressure plate is sleeved on the upper portion of the tool changing pull rod, a pneumatic piston is arranged on the upper portion of the machine shell, and the pneumatic piston is used for driving the pressure plate to move downwards to drive the tool changing pull rod to move downwards for tool changing.
3. The high speed motorized spindle of claim 2, wherein the pneumatic piston is provided with a seal ring at a location where it contacts the housing.
4. The high-rotation-speed motorized spindle of claim 2, wherein a retainer ring is arranged on the tool changing pull rod below the pressure plate, a return spring is sleeved on the tool changing pull rod below the retainer ring, the retainer ring and the return spring below the retainer ring are arranged in the rotating shaft, a shoulder is arranged on the inner side surface of the rotating shaft below the return spring, and the return spring is in contact with the shoulder and is used for resetting the tool changing pull rod after tool changing.
5. The high rotational speed motorized spindle of claim 4, wherein a top end of the shaft is provided with a retaining nut for preventing the retainer ring from being disengaged from the interior of the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009535.XA CN108927535B (en) | 2018-08-31 | 2018-08-31 | High-rotation-speed motorized spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009535.XA CN108927535B (en) | 2018-08-31 | 2018-08-31 | High-rotation-speed motorized spindle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108927535A CN108927535A (en) | 2018-12-04 |
| CN108927535B true CN108927535B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811009535.XA Active CN108927535B (en) | 2018-08-31 | 2018-08-31 | High-rotation-speed motorized spindle |
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| CN (1) | CN108927535B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792730A (en) * | 2021-01-25 | 2021-05-14 | 无锡盈连科技有限公司 | Automatic tool changing spindle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005288609A (en) * | 2004-03-31 | 2005-10-20 | Makino Milling Mach Co Ltd | Spindle device of machine tool |
| CN102078973A (en) * | 2010-12-29 | 2011-06-01 | 广州市昊志机电有限公司 | Roll ball high-speed electronic spindle |
| WO2013011815A1 (en) * | 2011-07-20 | 2013-01-24 | 日本精工株式会社 | Main shaft apparatus |
| CN103934481A (en) * | 2014-05-15 | 2014-07-23 | 江苏华雕机械有限公司 | Automatic high-speed tool replacing electric spindle with non-contact rotating joint used |
| CN107378004A (en) * | 2017-07-12 | 2017-11-24 | 广州市昊志机电股份有限公司 | A kind of contact central water outlet permanent magnet synchronization motor spindle |
| CN207563750U (en) * | 2017-08-24 | 2018-07-03 | 江苏华雕机械有限公司 | A kind of closed-loop control high speed pneumatic tool changing electrical spindle |
| CN209050121U (en) * | 2018-08-31 | 2019-07-02 | 佛山善能机电科技有限公司 | A kind of high revolving speed electro spindle |
-
2018
- 2018-08-31 CN CN201811009535.XA patent/CN108927535B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005288609A (en) * | 2004-03-31 | 2005-10-20 | Makino Milling Mach Co Ltd | Spindle device of machine tool |
| CN102078973A (en) * | 2010-12-29 | 2011-06-01 | 广州市昊志机电有限公司 | Roll ball high-speed electronic spindle |
| WO2013011815A1 (en) * | 2011-07-20 | 2013-01-24 | 日本精工株式会社 | Main shaft apparatus |
| CN103934481A (en) * | 2014-05-15 | 2014-07-23 | 江苏华雕机械有限公司 | Automatic high-speed tool replacing electric spindle with non-contact rotating joint used |
| CN107378004A (en) * | 2017-07-12 | 2017-11-24 | 广州市昊志机电股份有限公司 | A kind of contact central water outlet permanent magnet synchronization motor spindle |
| CN207563750U (en) * | 2017-08-24 | 2018-07-03 | 江苏华雕机械有限公司 | A kind of closed-loop control high speed pneumatic tool changing electrical spindle |
| CN209050121U (en) * | 2018-08-31 | 2019-07-02 | 佛山善能机电科技有限公司 | A kind of high revolving speed electro spindle |
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| CN108927535A (en) | 2018-12-04 |
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