CN110524289A - A kind of special clamping device of machine tool chief axis - Google Patents
A kind of special clamping device of machine tool chief axis Download PDFInfo
- Publication number
- CN110524289A CN110524289A CN201910714372.3A CN201910714372A CN110524289A CN 110524289 A CN110524289 A CN 110524289A CN 201910714372 A CN201910714372 A CN 201910714372A CN 110524289 A CN110524289 A CN 110524289A
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- China
- Prior art keywords
- pedestal
- main shaft
- workpiece
- machine tool
- mandrel
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of special clamping devices of machine tool chief axis, it is related to machine tool element field, including being fixedly connected on the pedestal of bed piece, being connected to pedestal and workpiece outer ring being pushed against the hold-down mechanism in pedestal, coaxially connected in main shaft and with the mandrel of main shaft rotation, the mandrel is in circumferentially fixed far from main shaft one end and workpiece inner ring and workpiece inner ring is driven to rotate, and the hold-down mechanism including the rotating hydraulic cylinder for being fixedly connected on pedestal, being connected to rotating hydraulic cylinder and for pushing against workpiece outer ring in the pressing plate of pedestal.The invention discloses the special clamping devices of a kind of machine tool chief axis for being able to ascend part processing precision.
Description
Technical field
The present invention relates to lathe spare and accessory parts, in particular to the special clamping device of a kind of machine tool chief axis.
Background technique
Hub bearing is one of key components and parts of automobile, its main function is load capacity and mentions for the rotation of wheel hub
For accurately guiding, it requires that it can not only bear axial load, still suffer from radial load.
Existing hub-bearing unit includes the inner flange and outward flange of rotation connection, and is placed in inner flange and outward flange
Between ball, referring to a kind of automobile hub bearing with fixation kit disclosed in Chinese patent notification number CN208595158U,
Including hub bearing outer ring, the hub bearing inner ring being set on the inside of hub bearing outer ring, the medial surface of hub bearing outer ring and
The lateral surface of hub bearing inner ring is equipped with two groups of mutual corresponding annular arrangements slots, and multiple steel balls, wheel are equipped in annular arrangements slot
The both ends of hub bearing inner race are equipped with seal ring assembly, and seal ring assembly is contacted with the inner wall of hub bearing outer ring.It is manufacturing
In the process, it in order to match the installation requirement in later period, needs to process hub bearing inner ring end face, and common processing method
Because of the limitation of machining tool, individually hub bearing inner ring end face can only be processed before integrally assembly, then by wheel hub
Bearing outer ring and inner ring are assembled, and because can have rigging error in assembling process, it at this time then can be because of rigging error
And the size relationship between hub bearing inner ring and hub bearing outer ring is influenced, and then influence subsequent actual installation and use.
Summary of the invention
The object of the present invention is to provide a kind of special clamping devices of machine tool chief axis, convenient for the part for relatively rotating two
One of them be fixed, so that another work in-process is rotated, avoid because the assembly in two part later periods misses
Difference and influence product use.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of special dress of machine tool chief axis
Fixture is pressed from both sides, including being fixedly connected on the pedestal of bed piece, being connected to pedestal and by the abutting of workpiece outer ring in the compacting machine of pedestal
Structure, coaxially connected in main shaft and the mandrel that rotates with main shaft, the mandrel is in circumferentially fixed far from main shaft one end and workpiece inner ring
And workpiece inner ring is driven to rotate.
By using above-mentioned technical proposal, before processing, first workpiece outer ring and workpiece inner ring are assembled, then again
Workpiece outer ring is pushed against by hold-down mechanism in pedestal side wall, meanwhile, workpiece inner ring and mandrel are realized into circumferentially fixed connection, from
And be able to drive workpiece inner ring under the driving of main shaft and rotate around its own axial direction, convenient for machine tool to the end of workpiece inner ring
Face is processed, and then can determine the size relationship between workpiece outer ring and workpiece inner ring after processing is completed at this time, convenient for accurate
Processing avoids reassembling and influencing because of the rigging error between interior-exterior parts original after individually processing interior-exterior parts
The size precision processed, makes to process more convenient.
The present invention is further arranged to: the hold-down mechanism includes the rotating hydraulic cylinder for being fixedly connected on pedestal, is connected to
Rotating hydraulic cylinder and for by workpiece outer ring push against in the pressing plate of pedestal.
By using above-mentioned technical proposal, under the action of rotating hydraulic cylinder, be able to drive pressing plate rotation and to workpiece outside
Circle, which applies, to be pushed against in the abutting power of pedestal side wall, drives press plate rotary, and then by rotating hydraulic cylinder convenient for carrying out to workpiece
Loading and unloading avoid pressing plate and block the installation space of workpiece, are capable of increasing the contact area with workpiece outer ring using pressing plate,
Promote stability when pushing against.
The present invention is further arranged to: the rotating hydraulic cylinder includes the cylinder body for being fixedly connected on pedestal, along cylinder center
It is in axial sliding connection in cylinder body and around cylinder center is axially rotationally connected with the piston of cylinder body, is fixedly connected on the holding of cylinder body
Frame, the steel ball being placed between retainer and piston, the piston are placed in the intracorporal outer wall of cylinder and offer for being embedded rolling steel ball
Helicla flute, two oil pockets are divided by piston in the cylinder body.
By using above-mentioned technical proposal, when oil-filled in a wherein oil pocket, piston is pushed to move in cylinder body, because
Steel ball in retainer is embedded rolling in the helicla flute of piston, then when piston is moved axially along cylinder center, utilizes steel
Pearl rotate piston can around its own axially in moving process the active force of helicla flute, and then drive press plate rotary,
It moves pressing plate in rotation and abutting power is applied to workpiece.
The present invention is further arranged to: the pressing plate is in be detachably connected with piston rod.
By using above-mentioned technical proposal, the shape of pressing plate is replaced according to the difference of practical work piece shape.
The present invention is further arranged to: the mandrel is fixedly connected with far from main shaft one end for being in circumferential with workpiece inner ring
Fixed driving spline housing.
It is circumferentially fixed convenient for realizing mandrel and workpiece inner ring by spline housing by using above-mentioned technical proposal, then exist
Workpiece inner ring is able to drive when mandrel is by main shaft drives to be rotated.
The present invention is further arranged to: the driving spline housing outer wall is formed with workpiece inner ring in circumferentially fixed flower
Key, the driving spline housing inner wall are formed with the keyway axially opened up along it, and the mandrel outer wall, which is connected with, to be embedded in keyway
Key.
By using above-mentioned technical proposal, make to drive spline housing and mandrel realization circumferentially fixed, it can in mandrel rotation
Synchronous drive drives spline housing rotation, and driving spline housing can also be replaced according to the diameter of practical work piece inner ring, expands it and is applicable in
Range.
The present invention is further arranged to: it further include being removably connected to main shaft end face and being in coaxial terminal pad with main shaft,
The mandrel is removably connected to terminal pad, the mandrel and terminal pad in coaxial, the terminal pad be placed in base interior and with
Pedestal is in relative rotation.
, can be convenient for mandrel be fixed by terminal pad by using above-mentioned technical proposal, and mandrel is enable to protect
It is in coaxial for holding with terminal pad, to make workpiece keep being able to ascend with mandrel in coaxially when workpiece inner ring is connected to mandrel
The clamping precision of workpiece, and then promote the precision of processing.
The present invention is further arranged to: the pedestal is fixedly connected with locating piece, and the locating piece deviates from one side of pedestal
Face is parallel to main shaft end face, and the locating piece is mutually close to away from one side end face of main shaft with workpiece cycle surface.
By using above-mentioned technical proposal, when pressing plate forces in workpiece outer ring, side table of the workpiece outer ring towards main shaft
Face is pushed against in locating piece surface, so that workpiece outer ring is able to maintain stabilization when being pushed against using locating piece end face, is also protected workpiece
It holds with main shaft in coaxially, promotes the accuracy to size of processing part.
In conclusion the invention has the following advantages: being moved using rotating hydraulic cylinder band dynamic pressure plate in rotation, in fact
Now workpiece outer ring is pushed against in pedestal, it is synchronously, using driving spline housing that workpiece inner ring is circumferentially fixed in mandrel, then by main shaft
The rotation of workpiece inner ring is driven, while it is motionless to keep workpiece outer ring to stablize, and then convenient for the cutter using lathe to workpiece inner ring
End face is processed, and the size for individually influencing part because of the rigging error of workpiece outer ring inner ring on part processing meeting is different from
Relationship improves the dimensional accuracy of final part.
Detailed description of the invention
Fig. 1 is the side view of the present embodiment;
Fig. 2 is the portion the I enlarged drawing of Fig. 1;
Fig. 3 is the cross-sectional view of the present embodiment rotating hydraulic cylinder;
Fig. 4 is the schematic diagram of oil piping system;
Fig. 5 is schematic diagram of the present embodiment towards main shaft end on projection.
Appended drawing reference: 1, pedestal;2, hold-down mechanism;21, rotating hydraulic cylinder;211, cylinder body;212, piston;213, it keeps
Frame;214, steel ball;215, helicla flute;22, pressing plate;3, mandrel;4, oil supply system;41, hydraulic station;42, the first oil pipe;43,
Two oil pipes;44, solenoid valve;45, upper oil pipe;451, oil general pipeline;452, upper oil inlet pipe;46, lower oil pipe;461, lower oil general pipeline;
462, lower oil inlet pipe;5, oil pocket;6, spline housing is driven;61, spline;7, keyway;8, key;9, terminal pad;10, locating piece;11, machine
Bed;12, main shaft shell;13, main shaft;111, big rotary table;112, small rotary table;14, locking nut;15, gas circuit general pipeline;16, gas circuit
Branch pipe;17, piston body;18, upper boom;19, lower beam;20, rotation slot;23, upper guide groove;24, intermediate guide groove;25, lower guiding
Slot;26, workpiece inner ring;27, workpiece outer ring.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of special clamping device of machine tool chief axis with oil supply system 4, it is shown referring to Fig.1, including be fixedly connected on
The pedestal 1 of 11 lathe bed main shaft shell of lathe, 12 side wall is fixedly connected with it in 13 end face of main shaft in coaxial terminal pad 9, In
Terminal pad 9 is fixedly connected with one with main shaft 13 in coaxial mandrel 3, by workpiece inner ring 26 and core away from 13 1 side end face of main shaft
The one end of axis 3 far from main shaft 13 is circumferentially fixed, synchronous, it is fixedly installed in the end face of pedestal 1 for supporting workpiece outer ring 27
Tightly in the hold-down mechanism 2 of 1 side wall of pedestal, in process, drive workpiece inner ring 26 around its own axial direction by main shaft 13
Rotation, while workpiece outer ring 27 being kept to stablize, then it is convenient for processing the end face of workpiece inner ring 26 by the cutter of lathe 11.
Pedestal 1 is in disk form and both ends are run through, and is respectively formed with the big rotary table 111 in cylindrical body in the both ends of the surface of pedestal 1
With small rotary table 112, big rotary table 111 is fixedly connected on the main shaft shell of 11 lathe bed of lathe by the position of proximal edge by seven bolts
12 side walls.The installation space being recessed inwardly is offered towards 13 side of main shaft in big rotary table 111, discoidal terminal pad 9 passes through
Bolt is fixedly connected on 13 end face of main shaft and is placed in installation space, after installing, keeps terminal pad 9 and main shaft 13 in same
Axis, and one is bolted to connection with main shaft 13 in coaxial mandrel 3 at the center of terminal pad 9, mandrel 3 is far from connection
One end of disk 9 stretches out in small rotary table 112, and is connected with a driving spline the one end of mandrel 3 far from terminal pad 9 is circumferentially fixed
Set 6, as shown in connection with fig. 2, the outer wall of driving spline housing 6, which is formed with, engages with workpiece inner ring 26 and realizes circumferentially fixed spline
61.In order to promote the connective stability of driving spline housing 6 and mandrel 3, offer in driving 6 inner wall of spline housing along its axial key
Slot 7, and the key 8 being embedded in keyway 7 is provided in the outer wall of mandrel 3, in interference fit between keyway 7 and key 8, it is easy to implement
The circumferentially fixed of spline housing 6 and mandrel 3 is driven, then is able to drive driving spline housing 6 under the drive of mandrel 3 and is rotated, when
When needing to carry out replacement driving spline housing 6 according to actual product, driving spline housing 6 is struck down from mandrel 3, then passes through replacement key
8 are applicable in various sizes of workpiece to install various sizes of driving spline housing 6.In process, 6 He of spline housing will be driven
Workpiece inner ring 26 drives workpiece inner ring 26 axially to rotate around its own in circumferentially fixed under the drive of main shaft 13.
Shown in referring to Fig.1, in order to which when driving workpiece inner ring 26 to rotate abutting fixation can be carried out to workpiece outer ring 27, press
Tight mechanism 2 includes two rotating hydraulic cylinders 21 for being fixedly installed in pedestal 1 and deviating from 13 1 side end face of main shaft, and rotating hydraulic cylinder 21 is wrapped
Include the cylindrical body cylinder body 211 for being fixedly connected on pedestal 1, the central axial central axis for being parallel to mandrel 3 of cylinder body 211, in conjunction with
Shown in Fig. 3, along central shaft to a piston 212 is slidably connected in cylinder body 211, piston 212 is including being placed in cylinder body 211
The piston body 17 in portion, the upper boom 18 and lower beam 19 for being connected to 17 upper and lower end face of piston body, entire piston 212 axially turn around its own
Dynamic to be connected to cylinder body 211, upper boom 18 is arranged in 211 end face of cylinder body, is provided with sealing between 211 inner wall of 18 outer wall of upper boom and cylinder body
Circle or gasket are arranged with a pressing plate 22 on the top that upper boom 18 stretches out cylinder body 211, and upper boom 18 is arranged in pressing plate 22 and screw thread
It is connected with a locking nut 14, so that pressing plate 22 and upper boom 18 are fixed, can be replaced according to the shape of practical work piece
Pressing plate 22 of different shapes.In order to while piston 212 is mobile can synchronous rotary, in the position of the close bottom end of cylinder body 211
It sets and is fixed with a retainer 213,213 center of retainer offers the rotation slot 20 worn for 19 grafting of lower beam, is turning
The side wall of dynamic slot 20 is connected with multiple steel balls 214 along the rolling of its circumferencial direction in same plane, synchronizes, in the outer wall of lower beam 19
Along its circumferencial direction offer with the one-to-one helicla flute 215 of steel ball 214, helicla flute 215 is divided into axially extending along lower beam 19
Upper guide groove 23, be opened in 19 outer wall of lower beam helically and be connected to 23 bottom end of guide groove intermediate guide groove 24, connection
Intermediate 24 bottom end of guide groove and the lower guide groove 25 for extending to 19 bottom end of lower beam, when steel ball 214 is located in lower guide groove 25, steel
Pearl 214 contacts at the bottom face of lower beam 19.Top between 19 outer wall of lower beam and the side wall of rotation slot 20 positioned at steel ball 214 is set
It is equipped with gasket (not indicating in figure).The outer rim of piston body 17 is embedded with the sealing ring with the sealing cooperation of 211 inner wall of cylinder body, piston
Body 17 will be divided into two disconnected oil pockets 5 up and down inside cylinder body 211, when piston body 17 is moved and rotated inside cylinder body 211
Two oil pockets 5 are mutually separated above and below can keeping.It, can be by pressing plate when rotating hydraulic cylinder 21 is moved with dynamic pressure plate 22 when rotating
22 are inserted between workpiece inner ring 26 and workpiece outer ring 27, and apply an abutting towards 1 direction of pedestal to workpiece outer ring 27
Power.
It is solid by bolt away from 9 one side end face of terminal pad in small rotary table 112 convenient for carrying out stable position to workpiece outer ring 27
Surely it is connected with the perforative locating piece 10 in a center, locating piece 10 is parallel to 13 end face of main shaft away from small 112 1 side end face of rotary table,
Under the action of pressing plate 22, workpiece outer ring 27 can steadily be pushed against in 27 end face of workpiece outer ring.
In order to realize the movement of rotating hydraulic cylinder 21, referring to shown in Fig. 4 and Fig. 5, the invention also includes there is oil piping system, oil
Road system includes hydraulic station 41, and hydraulic station 41 is communicated with the first oil pipe 42 and the second oil pipe 43, the first oil pipe 42 and the second oil pipe
43 are communicated with a solenoid valve 44 simultaneously, and solenoid valve 44 selects two-position four-way valve, and the first oil pipe 42 is connected to the O of solenoid valve 44
Mouthful, the second oil pipe 43 is connected to the P mouth of solenoid valve 44, and the A mouth of solenoid valve 44 is communicated with oil pipe 45, the B mouth company of solenoid valve 44
It is connected with lower oil pipe 46, upper oil pipe 45 is connected to the oil pocket 5 of top in cylinder body 211 far from 44 one end of solenoid valve, and lower oil pipe 46 is separate
One end of solenoid valve 44 is connected to the oil pocket 5 of lower section in cylinder body 211, and upper oil pipe 45 includes one and is arranged in oiling always for pedestal 1
Pipe 451(is shown in Fig. 1), the general pipeline 451 that oils is communicated with two upper oil inlet pipes 452 for being respectively penetrated and arranged therein a cylinder body 211
(being shown in Fig. 1), and two upper oil inlet pipes 452 are respectively communicated in the upper oil chamber 5 of one of cylinder body 211, lower oil pipe 46
The lower oil general pipeline 461 of pedestal 1 is arranged in including one, lower oil general pipeline 461 is communicated with two and is respectively penetrated and arranged therein a cylinder body
211 lower oil inlet pipe 462, and two lower oil inlet pipes 462 are respectively communicated in the lower part oil pocket 5 of one of cylinder body 211.
Be determined in order to the clamping stability to workpiece, referring to Fig.1 shown in, it is total in pedestal 1 to be provided with gas circuit
Pipe 15, gas circuit general pipeline 15 are communicated with two gas circuit branch pipes 16 through small 112 end face of rotary table, two gas circuit branch pipes 16 through
Small rotary table 112 passes through the center of circle of small rotary table 112 away from the line between 9 one end face of terminal pad and two 16 centers of gas circuit branch pipe,
Gas circuit branch pipe 16 is stopped far from the opening of 15 one end gas circuit general pipeline by the end face of workpiece outer ring 27, then pressing plate 22 will be outside workpiece
Circle 27 pushes against when the end face of small rotary table 112, and the gas in gas circuit branch pipe 16 can not then overflow, using being connected to gas circuit general pipeline 15
Gas pressure detector detect whether that air pressure keeps stablizing, if air pressure shakiness rule indicates that gas has a spilling, indicate that workpiece does not have
Have and push against completely in 10 end face of locating piece, if atmospheric pressure value keeps stablizing, then it represents that clamping workpiece keeps stablizing.
The working principle of the present embodiment is to assemble workpiece outer ring 27 and workpiece inner ring 26, by workpiece inner ring 26
Inner wall sleeve is set to driving spline housing 6, makes spline 61 and 26 inner wall of workpiece inner ring is in circumferentially fixed, while making 27 direction of workpiece outer ring
The end face of 1 side of pedestal contacts at the end face of locating piece 10, and control solenoid valve 44 fills one of oil pocket 5 in cylinder body 211
Oil moves piston body 17 in cylinder body 211, realizes piston using the cooperation of steel ball 214 and helicla flute 215 while mobile
Body 17 is axially rotated around its own, to be inserted between workpiece outer ring 27 and workpiece inner ring 26 with dynamic pressure plate 22, and to workpiece
Outer ring 27 applies the thrust towards 1 direction of pedestal away from a side end face of pedestal 1, and workpiece outer ring 27 is pushed against in locating piece
10 end faces.Workpiece inner ring 26 is driven to rotate using the rotation of main shaft 13, to add by cutter to 26 end face of workpiece inner ring
Work, after completing processing, control solenoid valve 44 keeps another oil pocket 5 in cylinder body 211 oil-filled, makes 212 body of piston towards another
A direction rotation, thus with dynamic pressure plate 22 toward away from the movement of 1 side of pedestal while between workpiece inner ring 26 and workpiece outer ring 27
It removes, convenient for entire workpiece is carried out blanking from driving spline housing 6.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. the special clamping device of a kind of machine tool chief axis, it is characterized in that: including the pedestal for being fixedly connected on lathe (11) lathe bed
(1), it is connected to pedestal (1) and workpiece outer ring (27) is pushed against into the hold-down mechanism (2), coaxially connected in main shaft in pedestal (1)
(13) and with the mandrel (3) that main shaft (13) rotate, the mandrel (3) is far from main shaft (13) one end and workpiece inner ring (26) in circumferential
It fixes and workpiece inner ring (26) is driven to rotate.
2. the special clamping device of a kind of machine tool chief axis according to claim 1, it is characterized in that: the hold-down mechanism (2)
Including being fixedly connected on the rotating hydraulic cylinder (21) of pedestal (1), being connected to rotating hydraulic cylinder (21) and for by workpiece outer ring
(27) it pushes against in the pressing plate (22) of pedestal (1).
3. the special clamping device of a kind of machine tool chief axis according to claim 2, it is characterized in that: the rotating hydraulic cylinder
(21) include be fixedly connected on pedestal (1) cylinder body (211), along cylinder body (211) it is central axial be slidably connected to cylinder body (211) and
Around the central axial piston (212) for being rotationally connected with cylinder body (211) of cylinder body (211), it is fixedly connected on the retainers of cylinder body (211)
(213), the steel ball (214) being placed between retainer (213) and piston (212), the piston (212) are placed in cylinder body (211)
Outer wall offer the helicla flute (215) for being embedded rolling steel ball (214), is divided into the cylinder body (211) by piston (212)
Two oil pockets (5).
4. the special clamping device of a kind of machine tool chief axis according to claim 3, it is characterized in that: the pressing plate (22) and work
Plug (212) bar is in be detachably connected.
5. the special clamping device of a kind of machine tool chief axis according to claim 1, it is characterized in that: the mandrel (3) is separate
Main shaft (13) one end is fixedly connected with for being in circumferentially fixed driving spline housing (6) with workpiece inner ring (26).
6. the special clamping device of a kind of machine tool chief axis according to claim 5, it is characterized in that: the driving spline housing
(6) outer wall is formed with workpiece inner ring (26) in circumferentially fixed spline (61), and driving spline housing (6) inner wall is formed with edge
Its keyway axially opened up (7), mandrel (3) outer wall are connected with the key (8) being embedded in keyway (7).
7. the special clamping device of a kind of machine tool chief axis according to claim 1, it is characterized in that: further including being detachably connected
It is in coaxial terminal pad (9) in main shaft (13) end face and with main shaft (13), the mandrel (3) is removably connected to terminal pad (9),
In coaxial, it is internal and be in opposite turn with pedestal (1) that the terminal pad (9) is placed in pedestal (1) for the mandrel (3) and terminal pad (9)
It is dynamic.
8. the special clamping device of a kind of machine tool chief axis according to claim 1, it is characterized in that: the pedestal (1) is fixed
It is connected with locating piece (10), the locating piece (10) is parallel to main shaft (13) end face, the positioning away from (1) one side end face of pedestal
Block (10) is mutually close to away from (13) one side end face of main shaft with workpiece outer ring (27) end face.
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CN201910714372.3A CN110524289B (en) | 2019-08-03 | 2019-08-03 | Special clamping fixture for machine tool spindle |
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CN201910714372.3A CN110524289B (en) | 2019-08-03 | 2019-08-03 | Special clamping fixture for machine tool spindle |
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CN110524289B CN110524289B (en) | 2023-09-29 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI785427B (en) * | 2020-12-03 | 2022-12-01 | 寅翊智造股份有限公司 | Lathe carrier |
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JP2005349540A (en) * | 2004-06-11 | 2005-12-22 | Nsk Ltd | Spindle device |
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TWI785427B (en) * | 2020-12-03 | 2022-12-01 | 寅翊智造股份有限公司 | Lathe carrier |
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