CN110524010A - A kind of Large-power High-Speed ball electric spindle of high lateral force - Google Patents
A kind of Large-power High-Speed ball electric spindle of high lateral force Download PDFInfo
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- CN110524010A CN110524010A CN201910952847.2A CN201910952847A CN110524010A CN 110524010 A CN110524010 A CN 110524010A CN 201910952847 A CN201910952847 A CN 201910952847A CN 110524010 A CN110524010 A CN 110524010A
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- 238000004804 winding Methods 0.000 claims description 13
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000002826 coolant Substances 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 240000007594 Oryza sativa Species 0.000 claims 1
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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
- 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
Abstract
The present invention relates to a kind of Large-power High-Speed ball electric spindles of high lateral force；Including body assembly, cylinder assembly, rear holder assembly, stator module, rotor assembly, bearing assembly, dust preventing component and tool-broaching mechanism, rotor mechanism includes rotor assembly, bearing assembly and stator module, bearing assembly is made of the front axle bearing assembly and rear axle bearing assembly for being respectively arranged at rotor assembly both ends, and stator module is sheathed on the outside of rotor assembly；Beneficial effects of the present invention embody are as follows: use novel T20 Knife handle structure, knife handle outer cone angle is smaller, it is big with the relative friction forces of central spindle taper hole, hilt curable grip and rotation torque increase, product processing stability and precision are higher, simultaneously, select big specification grease lubrication Ceramic Composite ball bearing and heavy-duty motor, improve the side milling ability of electro spindle, drilling-tapping can not only be carried out in low speed, mirror finish can also be carried out in high speed, while possessing a variety of processing performances, and there is stronger practicability and economy.
Description
Technical field
The present invention relates to a kind of electro spindles, refer in particular to one kind and are applied to glass panel processing machine, all kinds of light-duty accurate carving and milling machines
With the Large-power High-Speed ball electric spindle of the high lateral force of the mechanical processing machines such as light-duty machining center.
Background technique
With the fast development of 3C industry technology, the case material of electronic product casing by original plastic injection piece gradually
Develop into monoblock type metalwork, therefore surface smoothness to product casing and clearly profile requirements are higher and higher, and right
Production efficiency and product quality also proposed higher requirement, thus have to the spindle motor on gong side, polishing more harsh
It is required that including requiring higher, motor smooth running performance good on revolving speed and vibration performance etc..In the prior art, similar
The ball bearing electro spindle of type possesses large torque characteristic, and general revolving speed is lower, or in high revolving speed vibration and beat compared with
Greatly；And possessing high rotary speed property, general torque is relatively small, so that the range of work of such electro spindle is limited.In addition, existing
The folder knife-edge formula of electro spindle is generally chuck type, and this method of clamping is smaller to the radial constraint and radial rigidity of cutter, can lead
The unevenness measurement for sending a telegraph main shaft is bigger than normal, and then the negative effect that generation is vibrated and dynamic beat is big, adds carrying out large scale milling
Working hour, radial machining accuracy and processing efficiency be difficult to guarantee simultaneously, and axial working depth is limited, therefore, it is difficult to meet high-precision at
The requirement of type processing.
Summary of the invention
To solve the above-mentioned problems, the present invention is intended to provide a kind of electro spindle, is refered in particular to a kind of applied to glass panel processing
The Large-power High-Speed ball electricity of the high lateral force of machine, all kinds of light-duty accurate mechanical processing machines such as carving and milling machine and light-duty machining center
Main shaft.
Realize above-mentioned purpose, the technical solution adopted by the present invention is that: a kind of Large-power High-Speed ball electricity master of high lateral force
Axis, including cylinder mechanism, rear seat mechanism, rotor mechanism, tool-broaching mechanism and the dust-proof mechanism being respectively arranged in enclosure body, institute
It states cylinder mechanism and the rear seat mechanism is successively installed on the wherein side of the enclosure body, the dust-proof mechanism is installed on institute
The other side of enclosure body is stated, the rotor mechanism and the tool-broaching mechanism are respectively arranged in the enclosure body, and described turn
Clamp mechanism includes rotor assembly, bearing assembly and stator module, and the bearing assembly is by being respectively arranged at the rotor assembly two
The front axle bearing assembly and rear axle bearing assembly at end are formed, and the stator module is sheathed on the outside of the rotor assembly, and described turn
Sub-component wherein one end be arranged in it is described after in seat mechanism, and can be drivingly connected with each other with the cylinder mechanism, the other end with
The tool-broaching mechanism can be drivingly connected with each other.
Wherein, the rotor assembly includes central spindle, pull rod and elastic element, and the central spindle can be set to center axis rotation
In the enclosure body, the pull rod is installed in the central spindle, and the pull rod wherein prolong across the rear axle bearing assembly by one end
It stretching in the rear seat mechanism, the other end and the tool-broaching mechanism are sequentially connected, and the elastic element is sheathed on the pull rod,
And be installed between the back end of tie rod portion and the central spindle inner face, the elastic element is by several disk spring institute groups
At being provided with the sliding sleeve of axis in the middle part of the elastic element, the end of the elastic element, which is provided with, to be fixed in central spindle
Gasket, the stator module is set to the outside of the central spindle, and is located at the front axle bearing assembly and the rear bearing group
Between part.
Wherein, the stator module includes tubular stator core and is respectively arranged at the stator core both ends
Stator winding group, the stator core are sheathed on the outside of the central spindle, and the stator core is by several contour silicon steel sheets
It repeatedly presses, rotor magnetic part is provided in the detent rail in-core chamber, the stator winding group is by several isometrical enameled wires
It is entwined, thermistor is provided in the stator winding group, the stator winding group passes through power supply line and three-phase alternating current
Source is electrically connected, and the both ends of the rotor magnetic part are respectively arranged with cast copper short-circuited conducting sleeve, the rotor magnetic part and the short circuit
Ring passes through the internal mutual lead welding and shaping of grafting copper conducting bar.
Wherein, the front axle bearing assembly is mutually stacked in vertical direction by several and is sheathed on the central spindle front end
Fore bearing is formed, and the rear axle bearing assembly includes several preloading springs being respectively arranged in rear bearing block, spring gasket ring
And several rear bearings, the rear bearing block are installed between the rear holder assembly and housing body, the rear bearing block setting
There is the installation cavity being connected with the rear seat mechanism, it is blind that several installations are distributed in array for the bottom of the installation cavity
Hole, several described preloading springs are accordingly arranged in respectively in several described installing blinds, and the spring shim is stacked at
On several described preloading springs, several described rear bearings are mutually stacked in vertical direction on the spring gasket ring, and
Be sheathed on the end of the central spindle, the fore bearing is provided with preceding adjusting nut, the rear bearing be provided with rear adjusting nut and
Toothed disc, the preceding adjusting nut are installed on dust-proof mechanism, and the adjusting back nut is installed on the toothed disc, pass through institute
Adjusting nut and the rear adjusting nut respectively correspondingly limit several described fore bearings and several described rear bearings before stating
Due in enclosure body and the rear bearing block, the preceding adjusting nut and the rear adjusting nut are provided with several screw threads
Hole is provided with machine-processed rice screw in several described threaded holes.
Wherein, the rear seat mechanism includes back seat ontology and photoelectric subassembly, and the back seat ontology is provided with holding tank, described
Holding tank is connected with the installation cavity, the photoelectric subassembly include encoder, positioning seat and several close to switch, it is described
Encoder is installed on the rear bearing block, and the positioning seat is set on the back seat ontology, several are described close to switch
It is respectively arranged in the positioning seat.
Wherein, the tool-broaching mechanism is removably installed in the bellmouth of the central spindle end, the tool-broaching mechanism packet
Clip claw assembly and knife handle component are included, the clip claw assembly includes slide cores and pulling claw, and the slide cores can be driven by internal screw thread
Ground is mutually threadedly coupled with the pull rod, several wear-resisting rubber rings is provided on the outside of the slide cores, the pulling claw is by several
A tapered calvus uniformly opened outward is formed, and the knife handle component includes blind rivet, knife handle, contracting nozzle and nut, the drawing
Nail and the contracting nozzle are respectively arranged in the both ends of the knife handle, and the nut, which is connected through a screw thread, to be locked in the contracting nozzle one
On the knife handle of side, wherein one end is buckled in the slide cores pulling claw by tension spring and pin, and the other end is buckled in
On the blind rivet.
Wherein, the cylinder assembly include cylinder top cover, at least one cylinder shim, fastening screw, reset spring and
Mandril, the cylinder shim are successively stacked at below the cylinder top cover, and it is living that the inner cavity of the cylinder top cover is provided with chopped-off head
Plug, be provided in the inner cavity of several cylinder shims secondary piston, the chopped-off head piston and the secondary piston with it is described
The side wall contact position of inner cavity is equipped with " O " type sealing ring, and the chopped-off head piston and the secondary piston are provided with same axis
Mounting hole, the fastening screw is installed in the mounting hole, and wherein one end of the mandril is set to the cylinder and separates
In piece, the other end is slideably inserted in the rear seat mechanism, and the mandril is butted in the secondary piston, and passes through screw thread
It is threadedly coupled with the fastening screw, the mandril is provided with " L " type ventilation passageway, and the reset spring is sheathed on the mandril
On, wherein one end of the reset spring is butted in the secondary piston, and the other end is butted on the rear seat mechanism.
Wherein, the dust-proof mechanism includes dustproof cover and the dust-proof mold insert that is set in the dustproof cover, described dust-proof
Lid is respectively arranged with axial admission hole and radial air passing hole, and the dust-proof mold insert is provided with annular collecting tray and several shuntings
Hole, the annular collecting tray are located on the outer wall that the dust-proof mold insert is matched with the dustproof cover, several described tap holes
Radially be uniformly distributed on the inner wall of the dust-proof mold insert, several described tap holes with the annular collecting tray phase
Connection, the annular collecting tray are connected with the axial admission hole and the radial air passing hole respectively.
Wherein, the pull rod is provided centrally with the drifting dust hole of perforation, and wherein one end of the pull rod is integrally formed ground setting
There is induction part, the other end is provided with convergence part with being integrally formed, and the induction part is arranged in the rear seat mechanism, makes with extending
The pull rod realizes that detection obtains location information feedback by photoelectric subassembly, the convergence part and the tool-broaching mechanism removably phase
It connects.
Wherein, the enclosure body is provided with preceding water route lid and cooling body, and the preceding water route lid is installed on the shell
At the port of ontology, the cooling body is made of water inlet, water outlet and several interconnected coolant flow channels, described
The S-type multiple bending of coolant flow channel is simultaneously distributed in the housing body to array.
Beneficial effects of the present invention embody are as follows: the present invention is intended to provide a kind of Large-power High-Speed ball electricity master of high lateral force
Axis, using novel T20 Knife handle structure, knife handle outer cone angle is smaller, big with the relative friction forces of central spindle taper hole, hilt curable grip
And rotation torque increases, product processing stability and machining accuracy are higher, while the built-in volume that configuration is connect with PLC control centre
Code device and inductive proximity switch realizes that automatic tool changer and moment standard such as stop at the functions, can integrate gong plate, drilling and tapping, no
Be only capable of carrying out drilling-tapping in low speed, moreover it is possible to carry out mirror finish in high speed, while possessing a variety of processing performances, have compared with
Strong practicability and economy；Secondly, using large torque copper rotor squirrel cage motor, so that this main shaft compares similar main shaft in phase
Under same revolving speed, there is higher torque, and rotor magnetic part interts pricker using end copper ring short circuit connection, internal copper conducting bar
The electric conductivity of the structure of weldering, copper is better than aluminium, reduces the total losses of motor, and the thermal energy that motor operating generates is reduced, rotor magnetic
The operating temperature of power part and stator coil reduces, and substantially prolongs electro spindle working life, reduces outside maintenance cost, moreover it is possible to obtain
Obtain biggish output torque；Big specification ultraprecise ceramic ball bearing is selected, and using the double angular contact bearing supporting forces of placement up and down
The mechanism of axis, for ceramic ball bearing in revolution at a high speed, elasticity modulus is higher, and the sliding friction between ball and raceway reduces, hair
Heat reduces, and service life extends.Rear bearing bottom is equipped with pre-compressed spring and gasket ring, and by increase and decrease spring combine with gasket ring come
Bearing pre-fastening is adjusted, compared to traditional disk spring firmly beforehand means, this regulative mode not only rapid and convenient, but also make axis
Preload equilibrium, axially loaded stabilization are held, the service life of bearing is greatly prolonged, strengthens the radial machining accuracy of electro spindle, together
When, front and back bearings are limited by locking nut, and the axial runout of main shaft when rotating at high speed is limited, can be for a long time in height
Stablize processing under revolving speed, lateral force increases, and rigidity is reinforced, and side milling ability obtains certain promotion.
Detailed description of the invention
Fig. 1 is knife handle type electro spindle whole interior structure sectional view of the present invention.
Fig. 2 is the structural schematic diagram of knife handle type electro spindle photoelectric subassembly of the present invention.
Fig. 3 is the structural schematic diagram of knife handle type electro spindle rotor assembly of the present invention.
Fig. 4 is the structural schematic diagram of knife handle type electro spindle cylinder assembly of the present invention.
Fig. 5 is the structural schematic diagram of knife handle type electro spindle dust preventing component of the present invention.
Attached drawing mark explanation:
1- enclosure body；2- cylinder mechanism；Seat mechanism after 3-；4- rotor mechanism；5- tool-broaching mechanism；6- dust-proof mechanism；7- rotor
Component；8- bearing assembly；9- stator module；10- front axle bearing assembly；11- rear axle bearing assembly；12- central spindle；13- pull rod；14- bullet
Property element；15- sliding sleeve；16- gasket；17- stator core；18- stator winding group；19- rotor magnetic part；20- short-circuited conducting sleeve；21-
Fore bearing；22- rear bearing block；23- preloading spring；24- spring gasket ring；25- rear bearing；26- installation cavity；27- installing blind；
Adjusting nut before 28-；Adjusting nut after 29-；30- threaded hole；31- machine-processed rice screw；32- back seat ontology；33- photoelectric subassembly；34-
Holding tank；35- encoder；36- positioning seat；The close switch of 37-；38- bellmouth；39- clip claw assembly；40- knife handle component；41-
Slide cores；42- pulling claw；The wear-resisting rubber ring of 43-；44- blind rivet；45- knife handle；46- contracting nozzle；47- nut；48- tension spring；49- cylinder top
Lid；50- cylinder shim；51- fastening screw；52- reset spring；53- mandril；54- chopped-off head piston；55- secondary piston；56-
Mounting hole；57- ventilation passageway；58- dustproof cover；The dust-proof mold insert of 59-；60- axial admission hole；61- radial direction air passing hole；62- annular
Collecting tray；63- tap hole；64- drifting dust hole；65- induction part；The convergence part 66-；The preceding water route lid of 67-；68- toothed disc；69- sealing
Circle.
Specific embodiment
The embodiment of the invention will now be described in detail with reference to the accompanying drawings:
As shown in Figs. 1-5, a kind of Large-power High-Speed ball electric spindle of high lateral force, including be respectively arranged in enclosure body 1
Cylinder mechanism 2, rear seat mechanism 3, rotor mechanism 4, tool-broaching mechanism 5 and dust-proof mechanism 6, the cylinder mechanism 2 and the back seat
Mechanism 3 is successively installed on the wherein side of the enclosure body 1, and the dust-proof mechanism 6 is installed on the another of the enclosure body 1
Side, the rotor mechanism 4 and the tool-broaching mechanism 5 are respectively arranged in the enclosure body 1, and the rotor mechanism 4 includes turning
Sub-component 7, bearing assembly 8 and stator module 9, the bearing assembly 8 is by being respectively arranged at the front axle at 7 both ends of rotor assembly
Bearing assembly 10 and rear axle bearing assembly 11 are formed, and the stator module 9 is sheathed on the outside of the rotor assembly 7, the rotor
Component 7 wherein one end be arranged in it is described after in seat mechanism 3, and can be drivingly connected with each other with the cylinder mechanism 2, the other end with
The tool-broaching mechanism 5 can be drivingly connected with each other.
Wherein, the rotor assembly 7 includes central spindle 12, pull rod 13 and elastic element 14, and the central spindle 12 can central axis rotation
It is set in the enclosure body 1 with turning, the pull rod 13 is installed in the central spindle 12, and the pull rod 13 wherein passes through one end
The rear axle bearing assembly 11 extends in the rear seat mechanism 3, and the other end and the tool-broaching mechanism 5 are sequentially connected, the elasticity
Element 14 is sheathed on the pull rod 13, and is installed between 12 inner face of 13 rear end of pull rod and the central spindle, described
Elastic element 14 is made of several disk springs, and the middle part of the elastic element 14 is provided with the sliding sleeve 15 of axis, described
The end of elastic element 14 is provided with the gasket 16 being fixed in central spindle 12, and gasket 16 relies on the inner wall step of central spindle 12 to support
Elastic element 14, the stator module 9 is set to the outside of the central spindle 12, and is located at the front axle bearing assembly 10 and institute
It states between rear axle bearing assembly 11.
Wherein, the stator module 9 includes tubular stator core 17 and is respectively arranged at the stator core 17
The stator winding group 18 at both ends, the stator core 17 are sheathed on the outside of the central spindle 12, and the stator core 17 is by several
A contour silicon steel sheet is repeatedly pressed, and rotor magnetic part 19, the stator winding group 18 are provided in the detent rail in-core chamber
It is entwined by several isometrical enameled wires, thermistor, the stator winding group 18 is provided in the stator winding group 18
It is electrically connected by power supply line and three-phase alternating-current supply, the both ends of the rotor magnetic part 19 are respectively arranged with cast copper short-circuited conducting sleeve
20, the rotor magnetic part 19 passes through the internal mutual lead welding and shaping of grafting copper conducting bar with the short-circuited conducting sleeve 20.
Wherein, before the front axle bearing assembly 10 is mutually stacked in vertical direction by several and is sheathed on the central spindle 12
The fore bearing 21 at end is formed, and the rear axle bearing assembly 11 includes that several being respectively arranged in rear bearing 25 22 pre-tighten bullet
Spring 23, spring gasket ring 24 and several rear bearings 25, the rear bearing are installed on the rear holder assembly and housing body for 25 22
Between, the rear bearing is provided with the installation cavity 26 being connected with the rear seat mechanism 3, the bottom of the installation cavity 26 for 25 22
Several installing blinds 27 in array are distributed with, several described preloading springs 23 are accordingly arranged in several institutes respectively
It states in installing blind 27, axial dynamic is carried out to ball bearing by preloading spring 23 and is pre-tightened, the spring shim 16 is stacked at
On several described preloading springs 23, several described rear bearings 25 are mutually stacked in the spring gasket ring 24 in vertical direction
On, and it is sheathed on the end of the central spindle 12, the fore bearing 21 is provided with preceding adjusting nut 28, and the rear bearing 25 is provided with
Adjusting nut 29 and toothed disc 68 afterwards, the preceding adjusting nut 28 are installed on dust-proof mechanism 6, and the adjusting back nut 29 is installed
In on the toothed disc 68, by the preceding adjusting nut 28 and it is described after adjusting nut 29 by several 21 Hes of fore bearing
Several described rear bearings 25 are respectively correspondingly defined in enclosure body 1 and the rear bearing block 22, the preceding adjusting nut
28 and it is described after adjusting nut 29 be provided with several threaded holes 30, be provided with machine-processed rice spiral shell in several described threaded holes 30
Silk 31, the dynamic equilibrium of main shaft is adjusted by machine-processed rice screw 31.
Wherein, the rear seat mechanism 3 includes back seat ontology 32 and photoelectric subassembly 33, and the back seat ontology 32 is provided with receiving
Slot 34, the holding tank 34 are connected with the installation cavity 26, the photoelectric subassembly 33 include encoder 35, positioning seat 36 and
Several are installed on the rear bearing 25 22 close to switch 37, the encoder 35, and the positioning seat 36 is set to described
On back seat ontology 32, several described close switches 37 are respectively arranged in the positioning seat 36.
Wherein, the tool-broaching mechanism 5 is removably installed in the bellmouth 38 of 12 end of central spindle, the broaching tool machine
Structure 5 includes clip claw assembly 39 and knife handle component 40, and the clip claw assembly 39 includes slide cores 41 and pulling claw 42, the slide cores 41
It drivingly can be mutually threadedly coupled with the pull rod 13 by internal screw thread, and with 13 synchronous rotary of pull rod, the slide cores 41
Outside is provided with several wear-resisting rubber rings 43, and the pulling claw 42 is made of several tapered calvus uniformly opened outward,
The knife handle component 40 includes blind rivet 44, knife handle 45, contracting nozzle 46 and nut 47, and the blind rivet 44 and the contracting nozzle 46 are installed respectively
In the both ends of the knife handle 45, the nut 47, which is connected through a screw thread, is locked in the knife handle 45 with 46 side of contracting nozzle
On, wherein one end is buckled in the slide cores 41 pulling claw 42 by tension spring 48 and pin, and the other end is buckled in the drawing
On nail 44, the knife handle 45 is optimal but is selected as taper size with not limiting as 10 ° of Small Taper knife handle 45.
Wherein, the cylinder assembly includes cylinder top cover 49, at least one cylinder shim 50, fastening screw 51, resets
Spring 52 and mandril 53, the cylinder shim 50 are successively stacked at 49 lower section of cylinder top cover, the cylinder top cover 49
Inner cavity is provided with chopped-off head piston 54, and secondary piston 55 is provided in the inner cavity of several cylinder shims 50, and the chopped-off head is living
The side wall contact position of plug 54 and the secondary piston 55 and the inner cavity is equipped with " O " type sealing ring 69, the chopped-off head piston 54
The mounting hole 56 of same axis is provided with the secondary piston 55, the fastening screw 51 is installed on the mounting hole 56
In, wherein one end of the mandril 53 is set in the cylinder shim 50, and the other end is slideably inserted in the back seat
In mechanism 3, the mandril 53 is butted in the secondary piston 55, and is threadedly coupled by screw thread with the fastening screw 51, institute
It states mandril 53 and is provided with " L " type ventilation passageway 57, the reset spring 52 is sheathed on the mandril 53, the reset spring 52
Wherein one end be butted in the secondary piston 55, the other end be butted on it is described after on seat mechanism 3.
Wherein, the cylinder top cover 49 is respectively arranged with cooling coolant interface, drifting dust air pressure interface, front end air curtain gas
Crimp mouth, cylinder resets air pressure interface, sensor interface, 35 interface of encoder and coil main line interface.
Wherein, the dust-proof mechanism 6 includes dustproof cover 58 and the dust-proof mold insert 59 that is set in the dustproof cover 58, institute
It states dustproof cover 58 and is respectively arranged with axial admission hole 60 and radial air passing hole 61, the dust-proof mold insert 59 is provided with annular collecting tray
62 and several tap holes 63, the annular collecting tray 62 be located at that the dust-proof mold insert 59 matches with the dustproof cover 58 outside
On wall, several described tap holes 63 are radially uniformly distributed on the inner wall of the dust-proof mold insert 59, described in several
Tap hole 63 is connected with the annular collecting tray 62, the annular collecting tray 62 respectively with the axial admission hole 60 and institute
Radial air passing hole 61 is stated to be connected.
Wherein, the pull rod 13 is provided centrally with the drifting dust hole 64 of perforation, and wherein one end of the pull rod 13 is integrally formed
Ground is provided with induction part 65, and the other end is provided with convergence part 66 with being integrally formed, and the induction part 65 is arranged in described with extending
Afterwards in seat mechanism 3, the pull rod 13 is made to realize that detection obtains location information feedback, the convergence part 66 and institute by photoelectric subassembly 33
Tool-broaching mechanism 5 is stated removably to be connected with each other.
Wherein, the enclosure body 1 is provided with preceding water route lid 67 and cooling body, and the preceding water route lid 67 is installed on described
At the port of enclosure body 1, the cooling body is by water inlet, water outlet and several interconnected coolant flow channel institute groups
At the S-type multiple bending of coolant flow channel is simultaneously distributed in the housing body to array.
A kind of Large-power High-Speed ball electric spindle of high lateral force of the present invention, before dustproof cover 58 is installed on object ontology
End, adjusting nut 29 by being threadedly engaged the rear and front end for being installed on central spindle 12, front end adjusting nut 29 with 58 groups of dustproof cover
At the clamping structure of multiple tooth shape, when work, compression pressure-air is passed through from cylinder top cover 49, passes through back seat sheet respectively from top to bottom
In each axially or radially runner of body 32, rear bearing 25 22 and enclosure body 1, and then enter dustproof cover 58 and dust-proof mold insert
The annular collecting tray 62 of 59 cooperations, sprays finally by each tap hole 63 of dust-proof mold insert 59, forms the protection of positive pressure air curtain, prevents machine
External sundries, sewage and cutting swarf etc. enter, and protection main shaft works normally.
Secondly, cylinder top cover 49 access coolant liquid, fair current enters housing body from top to bottom, into " S " type it is repeatedly curved
The coolant liquid circulatory flow rolled over and be interconnected, constitutes closed cooling cycle, since coolant liquid is repeatedly turned back in housing exterior walls
Circulation, and move back and forth, major part thermal energy caused by motor work and bearing friction is effectively taken away, to ensure that main shaft
Work steady and sustained at low temperature.
When tool changing of the present invention, from the air inlet of cylinder top cover 49 access compression pressure-air, compressed gas by air drain according to
It is secondary to enter the formation air pressure of each chamber and generate multilayer power, promote the indoor chopped-off head piston 54 of each chamber and secondary piston 55 to push top
Bar 53, pull rod 13 and the pulling claw 42 being connected on pull rod 13 successively move down, meanwhile, pressure of the elastic element 14 in pull rod 13
Under start to compress, as the compression of pull rod 13 gradually moves down, pulling claw 42 each claw is tapered uniformly to be opened outward, until pulling claw 42
It is detached from the limitation of 12 inner wall of central spindle and freely opens, remove knife handle 45, while changing new knife handle 45 automatically, after finishing changing knife handle 45,
Gas source is operated in closing, opens simultaneously cylinder return gas source, pull rod 13 by the reaction force that elastic element 14 freely extends and with drawing
Pawl 42 up moves back together, is limited and Stepwize Shrink closure when pulling claw 42 moves to certain position by 12 stepped inner walls of central spindle,
Until pulling claw 42 automatically adjusts equilibrium to tense knife handle 45.Active force and reset bullet of the cylinder mechanism 2 by external air source at this time
The screen resilience of spring 52 promotes its return.
In addition, the present invention is provided with unidirectional drifting dust hilt cleaning systems, the element and back seat ontology 32 in cylinder mechanism 2 are equal
It is provided with air passing hole, mandril 53 is provided with " L " type ventilation passageway 57, and pull rod 13 is internally provided with drifting dust hole 64, in main shaft tool changing
When, mandril 53 moves forward, front end face and 13 rear end face contact of pull rod, to make back seat ontology 32, mandril 53 and pull rod 13
The ventilation via hole of three interconnects, and compressed air enters from top cylinder top cover 49, flows into pull rod 13 through ventilation via hole and crosses gas
Hole, then knife handle 45 is sprayed to by drifting dust hole 64, air cleaner is carried out to knife handle 45, can prevent external impurities or sewage from entering in main shaft
Portion guarantees main shaft energy long-term stable work, saves main shaft maintenance cost.
During the work time, reality when main shaft work can be monitored in real time by the temperature transducer being arranged in coil
Temperature, so that effective protection electro spindle works normally, bearing uses the adjustable design of dynamic balancing, removes rotor monomer balance-adjustable
Outside, also dynamic balancing adjustment, and adjustment side can be carried out by the way that the adjusting nut 29 of main shaft front and back end is arranged in after spindle mounted
Just, fast.
The above is only presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention, current row
The technical staff of industry can make some deformations and modification, all technologies according to the present invention under the inspiration of the technical program
Essence still falls within the range of technical solution of the present invention to any modification, equivalent variations and modification made by above embodiment
It is interior.
Claims (10)
1. a kind of Large-power High-Speed ball electric spindle of high lateral force, it is characterised in that: including being respectively arranged in enclosure body
Cylinder mechanism, rear seat mechanism, rotor mechanism, tool-broaching mechanism and dust-proof mechanism, the cylinder mechanism and it is described after seat mechanism according to
The secondary wherein side for being installed on the enclosure body, the dust-proof mechanism are installed on the other side of the enclosure body, and described turn
Clamp mechanism and the tool-broaching mechanism are respectively arranged in the enclosure body, and the rotor mechanism includes rotor assembly, bearing group
Part and stator module, the bearing assembly is by being respectively arranged at the front axle bearing assembly and rear axle bearing assembly at the rotor assembly both ends
Formed, the stator module is sheathed on the outside of the rotor assembly, the rotor assembly wherein one end be arranged in it is described after
It in seat mechanism, and can be drivingly connected with each other with the cylinder mechanism, the other end drivingly can be interconnected mutually with the tool-broaching mechanism
It connects.
2. a kind of Large-power High-Speed ball electric spindle of high lateral force according to claim 1, it is characterised in that: the rotor
Component includes central spindle, pull rod and elastic element, and the central spindle can be set to center axis rotation in the enclosure body, the drawing
Bar is installed in the central spindle, and wherein one end extends in the rear seat mechanism pull rod across the rear axle bearing assembly, separately
One end and the tool-broaching mechanism are sequentially connected, and the elastic element is sheathed on the pull rod, and is installed on the back end of tie rod
Between portion and the central spindle inner face, the elastic element is made of several disk springs, the middle part of the elastic element
It is provided with the sliding sleeve of axis, the end of the elastic element is provided with the gasket being fixed in central spindle, the stator module setting
In the outside of the central spindle, and between the front axle bearing assembly and the rear axle bearing assembly.
3. a kind of Large-power High-Speed ball electric spindle of high lateral force according to claim 2, it is characterised in that: described determines
Sub-component includes tubular stator core and the stator winding group for being respectively arranged at the stator core both ends, the stator iron
Core retainer plate is set to the outside of the central spindle, and the stator core is repeatedly pressed by several contour silicon steel sheets, the positioning iron core
Rotor magnetic part is provided in inner cavity, the stator winding group is entwined by several isometrical enameled wires, the stator winding
Thermistor is provided in group, the stator winding group is electrically connected by power supply line and three-phase alternating-current supply, the rotor magnetic
The both ends of power part are respectively arranged with cast copper short-circuited conducting sleeve, and the rotor magnetic part passes through internal grafting copper conducting bar phase with the short-circuited conducting sleeve
Mutual lead welding and shaping.
4. a kind of Large-power High-Speed ball electric spindle of high lateral force according to claim 3, it is characterised in that: the front axle
Bearing assembly is mutually stacked in vertical direction by several and is sheathed on the fore bearing of the central spindle front end and formed, the rear axle
Bearing assembly includes several preloading springs, spring gasket ring and several rear bearings being respectively arranged in rear bearing block, after described
Bearing block is installed between the rear holder assembly and housing body, and the rear bearing block is provided with to be connected with the rear seat mechanism
Installation cavity, several installing blinds are distributed in array the bottom of the installation cavity, several described preloading springs pair
It being arranged in respectively with answering in several described installing blinds, the spring shim is stacked on several described preloading springs, if
The dry rear bearing is mutually stacked in vertical direction on the spring gasket ring, and is sheathed on the end of the central spindle, institute
It states fore bearing and is provided with preceding adjusting nut, the rear bearing is provided with rear adjusting nut and toothed disc, the preceding adjusting nut peace
Loaded on dust-proof mechanism, the adjusting back nut is installed on the toothed disc, passes through the preceding adjusting nut and the rear tune
Several described fore bearings and several described rear bearings are respectively correspondingly defined in enclosure body and the rear axle by section nut
It holds in seat, the preceding adjusting nut and the rear adjusting nut are provided with several threaded holes, in several described threaded holes
It is provided with machine-processed rice screw.
5. a kind of Large-power High-Speed ball electric spindle of high lateral force according to claim 4, it is characterised in that: the back seat
Mechanism includes back seat ontology and photoelectric subassembly, and the back seat ontology is provided with holding tank, the holding tank and the installation cavity phase
Connection, the photoelectric subassembly include that encoder, positioning seat and several close switches, the encoder are installed on the rear axle
It holds on seat, the positioning seat is set on the back seat ontology, several described close switches are respectively arranged in the positioning seat
It is interior.
6. a kind of Large-power High-Speed ball electric spindle of high lateral force according to claim 2, it is characterised in that: the broaching tool
Mechanism is removably installed in the bellmouth of the central spindle end, and the tool-broaching mechanism includes clip claw assembly and knife handle component,
The clip claw assembly includes slide cores and pulling claw, and the slide cores can drivingly be connected with the mutual screw thread of the pull rod by internal screw thread
It connects, is provided with several wear-resisting rubber rings on the outside of the slide cores, the pulling claw tapered is outward uniformly opened by several
Calvus is formed, and the knife handle component includes blind rivet, knife handle, contracting nozzle and nut, and the blind rivet and the contracting nozzle are respectively arranged in
The both ends of the knife handle, the nut, which is connected through a screw thread, to be locked on the knife handle with contracting nozzle side, the drawing
Wherein one end is buckled in the slide cores pawl by tension spring and pin, and the other end is buckled on the blind rivet.
7. a kind of Large-power High-Speed ball electric spindle of high lateral force according to claim 1, it is characterised in that: the cylinder
Component includes cylinder top cover, at least one cylinder shim, fastening screw, reset spring and mandril, the cylinder shim according to
Secondary to be stacked at below the cylinder top cover, the inner cavity of the cylinder top cover is provided with chopped-off head piston, several cylinder shims
It is provided with secondary piston, the chopped-off head piston and the secondary piston in inner cavity and the side wall contact position of the inner cavity is equipped with
" O " type sealing ring, the chopped-off head piston and the secondary piston are provided with the mounting hole of same axis, the fastening screw peace
Loaded in the mounting hole, wherein one end of the mandril is set in the cylinder shim, and the other end slideably plugs
After described in seat mechanism, the mandril is butted in the secondary piston, and is threadedly coupled by screw thread with the fastening screw,
The mandril is provided with " L " type ventilation passageway, and the reset spring is sheathed on the mandril, and wherein the one of the reset spring
End is butted in the secondary piston, and the other end is butted on the rear seat mechanism.
8. a kind of Large-power High-Speed ball electric spindle of high lateral force according to claim 1, it is characterised in that: described dust-proof
Mechanism includes dustproof cover and the dust-proof mold insert that is set in the dustproof cover, and the dustproof cover is respectively arranged with axial admission hole
With radial air passing hole, the dust-proof mold insert is provided with annular collecting tray and several tap holes, and the annular collecting tray is located at institute
It states on the outer wall that dust-proof mold insert is matched with the dustproof cover, several described tap holes are radially uniformly distributed in described
On the inner wall of dust-proof mold insert, several described tap holes are connected with the annular collecting tray, the annular collecting tray difference
It is connected with the axial admission hole and the radial air passing hole.
9. a kind of Large-power High-Speed ball electric spindle of high lateral force according to claim 2, it is characterised in that: the pull rod
Be provided centrally with the drifting dust hole of perforation, wherein one end of the pull rod is integrally formed ground and is provided with induction part, the other end it is integrated at
It is provided with to type convergence part, the induction part is arranged in the rear seat mechanism with extending, and makes the pull rod by photoelectric subassembly reality
Now detection obtains location information feedback, and the convergence part is removably connected with each other with the tool-broaching mechanism.
10. a kind of Large-power High-Speed ball electric spindle of high lateral force according to claim 1, it is characterised in that: the shell
Body ontology is provided with preceding water route lid and cooling body, and the preceding water route lid is installed at the port of the enclosure body, described cold
But mechanism is made of water inlet, water outlet and several interconnected coolant flow channels, and the coolant flow channel is S-type repeatedly curved
It rolls over and is simultaneously distributed in the housing body to array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910952847.2A CN110524010A (en) | 2019-10-09 | 2019-10-09 | A kind of Large-power High-Speed ball electric spindle of high lateral force |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952847.2A CN110524010A (en) | 2019-10-09 | 2019-10-09 | A kind of Large-power High-Speed ball electric spindle of high lateral force |
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| CN110524010A true CN110524010A (en) | 2019-12-03 |
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| CN201910952847.2A Pending CN110524010A (en) | 2019-10-09 | 2019-10-09 | A kind of Large-power High-Speed ball electric spindle of high lateral force |
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| CN112122982A (en) * | 2020-08-17 | 2020-12-25 | 东莞市天域主轴技术有限公司 | High-speed automatic tool changing device |
| CN112828646A (en) * | 2021-01-05 | 2021-05-25 | 玉环图远机电有限公司 | Telescopic machine tool power device |
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