CN108772715A - A kind of single pendulum direct-drive type AC yaws - Google Patents
A kind of single pendulum direct-drive type AC yaws Download PDFInfo
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- CN108772715A CN108772715A CN201810863887.5A CN201810863887A CN108772715A CN 108772715 A CN108772715 A CN 108772715A CN 201810863887 A CN201810863887 A CN 201810863887A CN 108772715 A CN108772715 A CN 108772715A
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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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
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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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/28—Electric drives
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- 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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Abstract
The invention discloses a kind of single pendulum direct-drive type AC yaws, including spindle box, electro spindle, the upper box of tubular setting up and down and lower box, A shaft portions and C shaft portions, single pendulum direct-drive type AC yaws disclosed by the invention are compact-sized, save space, it is reasonable in design, facilitate processing, and assembly precision and high precision machining；The electro spindle of the AC yaws is mounted in spindle box, its A axis and C axis are driven by torque motor, the overall structure degree of eccentricity is low, keep the indexing of C axis more smooth, the lower box of the AC yaw A shaft portions and A shaft rotation platform bearings are arranged at the same side of spindle box simultaneously, there is no Redundancy Design in the other side of spindle box, makes electro spindle can be close to work pieces process, to which yaw has the processing space of bigger and better processing technology.
Description
Technical field
The present invention relates to a kind of AC yaws of numerical control machining center, specifically a kind of single pendulum direct-drive type AC yaws.
Background technology
Five-axle linkage processing is always the supreme pursuit of numerical control machining center.It is rapid with mould industry and aerospace industry
Development, the demand to five-axle linkage machining tool is increasing, five spindle noses using torque motor as A/C shaft rotations position driving force
Linkage motion cutting can be achieved, using Large-power High-Speed electro spindle, it can be achieved that high speed and high precision processing, is the favorite of processing market.
For the AC yaws using direct drive of torque motor, there are two kinds of forms of single pendulum and double pendulum, double pendulum AC yaws are in A axis both sides
It is equipped with torque motor driving mechanism, A axis driving forces are larger；Single pendulum AC yaws are only equipped with torque motor driving machine in A axis side
Structure, A axis driving force is small compared with double pendulum AC yaws, but its electro spindle apart from process side closer to processing space bigger, practicability is more
Good, the range of work with bigger can effectively save the occupied space of yaw.
But the existing most rustic of AC yaws driven using torque motor, assembly precision and machining accuracy are difficult to protect
Card, poor reliability.Such as a kind of direct drive of torque motor formula AC yaws disclosed in CN204700579U, belong to transmission device of machine tool neck
Domain is a kind of double pendulum AC yaws comprising A axis, C axis, A shaft housings, C shaft housings and electro spindle, A axis are vertically arranged with C axis, A
Shaft housing is fixedly connected with C shaft housings, and C axis is connected to by bearing one on C shaft housings, and C axle power squares are fixed on the inside of C shaft housings
Motor, C axle powers torque motor are provided with A axis center axis by attachment device one and C axis connections, A axis outside, and A axis passes through bearing two
It is connected on A axis center axis, is fixed with A axle power torque motors on the inside of A shaft housings, A axle powers torque motor passes through attachment device two and A axis
Connection, the outside of A axis have been connected by screw collar bush, and electro spindle is fixed in collar bush.Although the AC yaws are to a certain degree
On simplify yawing transmission structure and reduce transmission link, but be only simply to combine between its each relevant components part, phase
Assembly precision between mutually is difficult to ensure, in addition, the patent does not disclose the A axis of its involved AC yaw and the clamping mode of C axis, walks
Therefore the structures such as line mode for a complete AC yaw, can not determine whether its overall structure size is tight enough
It gathers, rationally, therefore the machining accuracy of the AC yaws is difficult to ensure.
Invention content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of compact-sized, saving sky
Between, it is reasonable in design, facilitate processing and the single pendulum direct-drive type AC yaws of assembly precision and high precision machining.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of single pendulum direct-drive type AC yaws, including master
Axle box, electro spindle, the upper box of tubular setting up and down and lower box, A shaft portions and C shaft portions, in the A shaft portions
The central axis of heart line and the electro spindle, the center line of the C shaft portions and the center line of the electro spindle are flat
Row, the electro spindle are uprightly mounted in the spindle box, and the A shaft portions are arranged in the lower box and set
It sets in the side of the spindle box, the C shaft portions are arranged in the upper box, and the A shaft portions include A axis
Turntable bearing, A shaft rotation platforms bearing block, A axle powers torque motor, A spindle motors seat, A axis brake disc, A axis pneumatic tongs clipping systems, it is described
The inner ring of A shaft rotation platform bearings is fixed on the A shaft rotation platform bearing blocks, and the outer ring of the A shaft rotation platform bearings is fixed on institute
On the lower box stated, the left end of the A shaft rotation platform bearing blocks is fixed on the side of the spindle box, A axis brake
Disk is arranged and is located in the right side on the A shaft rotation platform bearing blocks and positioned at the A shaft rotation platform bearings, the A axis gas
Dynamic clamp system is fixed on the outside on the lower box and positioned at the A axis brake discs, the A axle power torque motors
Stator is fixed on the A spindle motor seats, and the A spindle motor seats are fixed on the lower box and are located at the A
The right side of axis pneumatic tongs clipping system is provided with A axis company between the A axis brake disc and the rotor of the A axle power torque motors
Ring is connect, the A axis connection ring sets are located on the A shaft rotation platform bearing blocks, the inner side and outer side point of the A axis connection rings
It is not fixed on the rotor of the A axis brake disc and the A axle power torque motors, the rotor of the A axle power torque motors
Right side is provided with protective case, and the protective case is fixed on the A spindle motor seats, is equipped on the right side of the lower box
Protective cover；The C shaft portions include C shaft rotation platforms bearing, C axle powers torque motor, C axle motor seat, C axis brake axle, C axis pneumatic tongs
Clipping system, transition disc and rebound, the C axis brake axles are fixed on the top of the lower box, the C axis brake axles
It is fixedly connected through C axis connection rings with the upper end of the rotor of the C axle power torque motors, the rotor set of the C axle power torque motors
It is located at the outside of the C axis brake axles, the stator of the C axle power torque motors is fixed on the C axle motor seat, described
Upper box be the C axle motor seat, the downside centering of the rebound and the stator of the C axle power torque motors connects
It connects, the rebound is fixed on machine ram, and the downside centering of the transition disc and the rebound connects, described
The outer rings of C shaft rotation platform bearings be fixed on the transition disc, the inner rings of the C shaft rotation platform bearings be fixed on it is described under
The upper end of babinet, the C axis pneumatic tongs clipping systems are fixed on the inside of the transition disc, the pneumatic clamp system of the C axis
System is provided with protection board on the upside of the outside of the C axis brake axles, the rotor of the C axle power torque motors, described
Protection board is fixed on the C axle motor seat, and the upper end of the C axle motor seat is equipped with upper end cover, C axis brake
The top of axis is stretched out from the upper end cover.
Single pendulum direct-drive type AC yaws of the present invention are compact-sized, save space, reasonable in design, facilitate processing, and assemble
Precision and high precision machining.The electro spindle of the AC yaws is mounted in spindle box, and A axis and C axis are driven by torque motor, whole
The body structure degree of eccentricity is low, keeps the indexing of C axis more smooth, while the lower box of the AC yaw A shaft portions and A shaft rotation platform bearings are all provided with
It sets in the same side of spindle box, there is no Redundancy Design in the other side of spindle box, make electro spindle can be close to work pieces process, to put
Head has the processing space of bigger and better processing technology.
Preferably, the A shaft rotation platform bearing blocks include the first step axis being wholely set and second step axis, it is described
First step axis be arranged and be more than the second step axis, the A axis in the left side of the second step axis and outer diameter
The inner ring of turntable bearing is fixed on the first step axis, and A axis brake disk centring is connected to described second
On rank axis, A axis connection rings centering is connected on the second step axis；The endoporus of the lower box includes from left
And it is right be sequentially coaxially arranged and communicate and first step hole, second step hole and third stepped hole that aperture is sequentially increased, it is described
A shaft rotation platform bearings outer ring be mounted on the first step hole in, the A axis pneumatic tongs clipping systems be mounted on it is described
In second step hole, the A spindle motor seats are mounted in the third stepped hole.A shaft rotation platform bearing blocks are designed as wrapping
The first step axis and second step axis that the outer diameter being wholely set is sequentially reduced are included, and by the bore design of lower box is to include
Sequentially coaxially it is arranged and communicates and first step hole, second step hole and third stepped hole that aperture is sequentially increased from a left side is right,
Facilitate the processing of A shaft rotation platform bearing block and lower box, can making A shaft rotation platform bearing blocks and lower box, clamped one time can be completed respectively
Processing avoids the clamping repeatedly in process, ensures the concentricity and first step of first step axis, second step axis
Hole, second step hole, third stepped hole concentricity and machining accuracy, and then ensure match with these Step Shafts and stepped hole
Parts assembly precision, to which the whole assembly precision and machining accuracy of yaw be substantially improved.In addition, A shaft rotation platform bearings
The integrated design of seat, it is ensured that part strength is adjusted to assembly peace and offered convenience.
Further, third Step Shaft, the third Step Shaft have also been wholely set on the A shaft rotation platform bearing blocks
It is arranged and is less than the second step axis in the right side of the second step axis and outer diameter, feels relieved on the third Step Shaft
A shaft encoders are connected with, the A shaft encoders are fixed on A shaft encoder seats, and the A shaft encoder seats are fixed on institute
On the A spindle motor seats stated.On the basis of first step axis and second step axis, third step shaft design, it is ensured that A axis is compiled
The assembly precision of code device.A shaft encoders can identify and read the angle position of A axis in real time, it is ensured that A axis rotational angles it is accurate
Property.
Preferably, the C axis brake axles include sequentially coaxially being arranged from bottom to top and outer diameter is sequentially reduced the 4th
Step Shaft, the 5th Step Shaft, the 6th Step Shaft and the 7th Step Shaft, the top of the 4th Step Shaft and the lower box
Centering connection, the C axis pneumatic tongs clipping systems be mounted on the 5th Step Shaft outside, the 6th Step Shaft with
The rotor centering connection of the C axle power torque motors, the C axis connection ring sets are located at the outside of the 7th Step Shaft,
The C axis connections ring is connected with the C axis brake axles centering.It is similar with A shaft rotation platform bearing blocks, C axis brake axles are designed
Be include from bottom to top sequentially coaxially setting and outer diameter be sequentially reduced the 4th Step Shaft, the 5th Step Shaft, the 6th Step Shaft and
7th Step Shaft facilitates the clamped one time of C axis brake axles to process, ensures the concentricity of each Step Shaft, further promotes yaw
Assembly precision and machining accuracy.In addition, the integrated design of C axis brake axles, it is ensured that part strength is adjusted to assembly peace and brought just
Profit.
Further, also it has been wholely set the 8th Step Shaft and the 9th Step Shaft on the C axis brake axles, described
Eight Step Shafts are integrally disposed upon the upside of the 7th Step Shaft, and the 9th Step Shaft is integrally disposed upon described the 8th
The outer diameter of the upside of Step Shaft, the 7th Step Shaft, the 8th Step Shaft and the 9th Step Shaft is sequentially reduced, and the described the 8th
Centering is connected with C shaft encoders on Step Shaft, and the C shaft encoders are reversely fixed on the downside of the upper end cover.C axis is compiled
Code device can identify and read the angle position of C axis in real time, it is ensured that the accuracy of A axis rotational angles.8th step shaft design, can
Ensure the assembly precision of C shaft encoders.
Preferably, the inside centering of the upper end cover is connected with sealing cover, the sealing cover is arranged in the C
The top of shaft encoder is equipped with deep groove ball bearing, the zanjon between the sealing cover and the 9th Step Shaft
The outer ring of ball bearing is compressed by a pressing plate, and the pressing plate is fixed on the sealing cover.Deep groove ball bearing is to C axis brake axles
Play the role of Auxiliary support and positioning, further increases the integrally-built reliability of yaw.
Preferably, offering the first lateral cable hole in the A shaft rotation platform bearing blocks, opened on the lower box
Equipped with the second lateral cable hole and longitudinal third cable hole, the 4th longitudinal cabling is offered in the C axis brake axles
Hole and the 5th cable hole, second cable hole, third cable hole, the 4th cable hole and the 5th cable hole are sequentially communicated, institute
The first cable hole, the second cable hole, third cable hole, the 4th cable hole and the 5th cable hole stated constitute the electro spindle institute
The cable hole road of the cable and function pipe that need.Cable and function pipe needed for electro spindle successively pass through the first cable hole, second to walk
String holes, third cable hole, the 4th cable hole, finally throw away from the 5th cable hole.It is this walk pipe mode design succinctly, reliability
Height, it is advantageously ensured that the integrally-built compactedness of AC yaws.
Preferably, the transition disc is rounded transitional disk, the rebound is rectangular rebound, the transition
The length of side of plate is more than the diameter of the transition disc.Transition disc and rebound use above-mentioned design, can make transition disc and rebound
Between mounting hole design except the diameter of transition disc, to facilitate the installation and removal of yaw.In addition, yaw needs scraping
When precision, can scraping directly be carried out to the upper surface of rebound, it is very convenient.
Preferably, the lower box and the C axis brake axles are made of aerolite.Further to mitigate
The overall weight of AC yaws, the acceleration with bigger when A axis and C axis being made to rotate.
Compared with prior art, the invention has the advantages that：Single pendulum direct-drive type AC yaw structures disclosed by the invention are tight
It gathers, saves space, it is reasonable in design, facilitate processing, and assembly precision and high precision machining.The electro spindle of the AC yaws is installed
In spindle box, A axis and C axis are driven by torque motor, and the overall structure degree of eccentricity is low, keep the indexing of C axis more smooth, simultaneously
The lower box and A shaft rotation platform bearings of the AC yaw A shaft portions are arranged at the same side of spindle box, do not have in the other side of spindle box
There is Redundancy Design, makes electro spindle can be close to work pieces process, to which yaw has the processing space of bigger and better processing technology
Property.
Description of the drawings
Fig. 1 is the structure elevational schematic of single pendulum direct-drive type AC yaws of the present invention；
Fig. 2 is the side view of single pendulum direct-drive type AC yaws of the present invention.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
The single pendulum direct-drive type AC yaws of embodiment 1, as depicted in figs. 1 and 2, including spindle box 1, electro spindle 11, on divide into
Upper box and lower box 2, the A shaft portions and C shaft portions for the tubular set, the center line of the center line and electro spindle 11 of A shaft portions
Vertically, the centerline parallel of the center line of C shaft portions and electro spindle 11, electro spindle 11 are uprightly mounted in spindle box 1, A axle portions
Set up separately and set in lower box 2 and be arranged in the side of spindle box 1, C shaft portions are arranged in upper box, and A shaft portions include A shaft rotations
Platform bearing 21, A shaft rotation platforms bearing block 22, A axle powers torque motor, A spindle motors seat 25, A axis brake disc 26, A axis pneumatic tongs clipping systems
The inner ring of 27, A shaft rotation platform bearings 21 is fixed on A shaft rotation platforms bearing block 22, and the outer ring of A shaft rotation platforms bearing 21 is fixed on lower box
On 2, the left end of A shaft rotation platforms bearing block 22 is fixed on the side of spindle box 1, and A axis brake disc 26 is arranged and is located in A shaft rotation platform axis
Right side in bearing 22 and positioned at A shaft rotation platforms bearing 21, A axis pneumatic tongs clipping system 27 are fixed on lower box 2 and stop positioned at A axis
The stator 23 in the outside of hull 26, A axle power torque motors is fixed on A spindle motors seat 25, and A spindle motors seat 25 is fixed on lower box 2
The right side for going up and being located at A axis pneumatic tongs clipping system 27, A axis is provided between A axis brake disc 26 and the rotor 24 of A axle power torque motors
Connection ring 28, A axis connections ring 28 are set on A shaft rotation platforms bearing block 22, and the inner side and outer side of A axis connections ring 28 is separately fixed at
On the rotor 24 of A axis brake disc 26 and A axle power torque motors, the right side of the rotor 24 of A axle power torque motors is provided with protective case 29, protects
Sheath 29 is fixed on A spindle motors seat 25, and protective case 29 is used to avoid the rotor 24 of A axle power torque motors by cable and sebific duct etc.
Encounter, the right side of lower box 2 is equipped with protective cover 20, protective cover 20 for preventing the key components such as A axle power torque motors into iron filings and
Coolant liquid；C shaft portions include C shaft rotation platforms bearing 31, C axle powers torque motor, C axle motor seat 34, C axis brake axle 35, C axis pneumatic tongs
Clipping system 36, transition disc 37 and rebound 38, C axis brake axle 35 are fixed on the top of lower box 2, C axis brake axle 35 and C axle powers
The upper end of the rotor 33 of torque motor is fixedly connected through C axis connections ring 39, and the rotor 33 of C axle power torque motors is set in C axis brake axles
The stator 32 in 35 outside, C axle power torque motors is fixed on C axle motor seat 34, and upper box is C axle motor seat 34, rebound
38 connect with the downside centering of the stators 32 of C axle power torque motors, and rebound 38 is fixed on machine ram（It is not shown in figure）On, mistake
It crossing disk 37 and the downside centering of rebound 38 connects, transition disc 37 is rounded transitional disk 37, and rebound 38 is rectangular rebound 38,
The length of side of rebound 38 is more than the diameter of transition disc 37, and the outer ring of C shaft rotation platforms bearing 31 is fixed on transition disc 37, C shaft rotation platforms
The inner ring of bearing 31 is fixed on the upper end of lower box 2, and C axis pneumatic tongs clipping system 36 is fixed on the inside of transition disc 37, and C axis is pneumatic
Clamp system 36 is located at the outside of C axis brake axle 35, and the upside of the rotor 33 of C axle power torque motors is provided with protection board 30, protection
Plate 30 is fixed on C axle motor seat 34, and the upper end of C axle motor seat 34 is equipped with upper end cover 9, and the top of C axis brake axle 35 is from upper
End cap 9 stretches out.
In embodiment 1, A shaft rotation platforms bearing block 22 includes the first step axis 41 being wholely set and second step axis 42, the
One Step Shaft 41 is arranged in the left side of second step axis 42 and outer diameter is more than second step axis 42, the inner ring of A shaft rotation platforms bearing 21
It is fixed on first step axis 41, the centering of A axis brake disc 26 is connected on second step axis 42, the centering connection of A axis connections ring 28
On second step axis 42；The endoporus of lower box 2 includes sequentially coaxially being arranged and communicating and aperture is sequentially increased from a left side is right
The outer ring of first step hole 51, second step hole 52 and third stepped hole 53, A shaft rotation platforms bearing 21 is mounted on first step hole 51
Interior, A axis pneumatic tongs clipping system 27 is mounted in second step hole 52, and A spindle motors seat 25 is mounted in third stepped hole 53；C axis
Brake axle 35 includes the 4th Step Shaft 61 that sequentially coaxially setting and outer diameter are sequentially reduced from bottom to top, the 5th Step Shaft 62, the
The top centering of six Step Shafts 63 and the 7th Step Shaft 64, the 4th Step Shaft 61 and lower box 2 connects, C axis pneumatic tongs clipping systems
36 are mounted on the outside of the 5th Step Shaft 62, and the centering of rotor 33 of the 6th Step Shaft 63 and C axle power torque motors connects, C axis connections
Ring 39 is set in the outside of the 7th Step Shaft 64, and C axis connections ring 39 is connected with the centering of C axis brake axle 35.
In embodiment 1, the first lateral cable hole 71 is offered in A shaft rotation platforms bearing block 22, cross is offered on lower box 2
To the second cable hole 72 and longitudinal third cable hole 73, offer longitudinal 74 He of the 4th cable hole in C axis brake axle 35
5th cable hole 75, the second cable hole 72, third cable hole 73, the 4th cable hole 74 and the 5th cable hole 75 are sequentially communicated, the
One cable hole 71, the second cable hole 72, third cable hole 73, the 4th cable hole 74 and the 5th cable hole 75 constitute 11 institute of electro spindle
The cable hole road of the cable and function pipe that need.
In embodiment 1, lower box 2 and C axis brake axle 35 are made of aerolite.
In the present invention, A axis pneumatic tongs clipping system 27 and C axis pneumatic tongs clipping system 36 are all made of the prior art, A axis pneumatic tongs
Clipping system 27 is for holding A axis brake disc 26 tightly, and C axis pneumatic tongs clipping system 36 is for holding C axis brake axle 35 tightly.In embodiment 1, A
Axis pneumatic tongs clipping system 27 and C axis pneumatic tongs clipping system 36 are outsourcing pieces, interior to be equipped with spring bellows, when spring bellows outer cylinder
After body is inflated supercharging, spring bellows is stretched, and then is realized and held function tightly.
The single pendulum direct-drive type AC yaws of embodiment 2, with embodiment 1 difference lies in, in embodiment 2, A shaft rotation platform bearing blocks
Third Step Shaft 43 also it has been wholely set on 22, third Step Shaft 43 is arranged is less than the in the right side of second step axis 42 and outer diameter
Two Step Shafts 42, on third Step Shaft 43 centering be connected with A shaft encoders 44, A shaft encoders 44 are fixed on A shaft encoders seat 45
On, A shaft encoders seat 45 is fixed on A spindle motors seat 25；The 8th Step Shaft 65 and have also been wholely set on C axis brake axle 35
Nine Step Shafts 66, the 8th Step Shaft 65 are integrally disposed upon the upside of the 7th Step Shaft 64, and the 9th Step Shaft 66 is integrally disposed upon
The upside of eight Step Shafts 65, the outer diameter of the 7th Step Shaft 64, the 8th Step Shaft 65 and the 9th Step Shaft 66 are sequentially reduced, the 8th
Centering is connected with C shaft encoders 67 on rank axis 65, and C shaft encoders 67 are reversely fixed on the downside of upper end cover 9；Upper end cover 9 it is interior
Side centering is connected with sealing cover 8, and sealing cover 8 is arranged between the top of C shaft encoders 67, sealing cover 8 and the 9th Step Shaft 66
Deep groove ball bearing 81 is installed, the outer ring of deep groove ball bearing 81 is compressed by a pressing plate 82, and pressing plate 82 is fixed on sealing cover 8.A axis
The setting of encoder 44 is arranged in 22 right end of A shaft rotation platforms bearing block, C shaft encoders 67 in 35 upper end of C axis brake axle, and position is reasonable,
Peace is facilitated to adjust.
Above-mentioned its A axis of single pendulum direct-drive type AC yaws and C axis are driven by torque motor, and the overall structure degree of eccentricity is low, makes C axis
Indexing it is more smooth, while the lower box 2 of the AC yaw A shaft portions and A shaft rotation platforms bearing 21 are arranged at the same of spindle box 1
Side does not have Redundancy Design in the other side of spindle box 1, makes electro spindle 11 can be close to work pieces process, to which yaw has bigger
Processing space and better processing technology.
Claims (9)
1. a kind of single pendulum direct-drive type AC yaws, including spindle box, electro spindle, the upper box of tubular setting up and down and lower box, A
Shaft portion and C shaft portions, the central axis of the center line of the A shaft portions and the electro spindle, the C shaft portions
Center line and the electro spindle centerline parallel, the electro spindle is uprightly mounted in the spindle box, described
A shaft portions be arranged in the lower box and be arranged in the side of the spindle box, the C shaft portions are arranged in institute
In the upper box stated, it is characterised in that：The A shaft portions include A shaft rotation platforms bearing, A shaft rotation platforms bearing block, A axle powers square electricity
The inner ring of machine, A spindle motors seat, A axis brake disc, A axis pneumatic tongs clipping systems, the A shaft rotation platform bearings is fixed on the A axis
On turntable bearing block, the outer ring of the A shaft rotation platform bearings is fixed on the lower box, the A shaft rotation platform bearing blocks
Left end be fixed on the side of the spindle box, the A axis brake discs are arranged and are located in the A shaft rotation platform bearing blocks
The right side of the A shaft rotation platform bearings is gone up and is located at, the A axis pneumatic tongs clipping systems are fixed on the lower box and position
In the outside of the A axis brake discs, the stator of the A axle power torque motors is fixed on the A spindle motor seats, described
A spindle motor seats are fixed on the right side on the lower box and positioned at the A axis pneumatic tongs clipping systems, A axis brake
A axis connection rings are provided between disk and the rotor of the A axle power torque motors, the A axis connection ring sets are located at the A axis
On turntable bearing block, the inner side and outer side of the A axis connection rings is separately fixed at the A axis brake disc and the A axis
On the rotor of torque motor, it is provided with protective case on the right side of the rotor of the A axle power torque motors, the protective case is fixed on
On the A spindle motor seats, protective cover is installed on the right side of the lower box；The C shaft portions include C shaft rotation platform axis
It holds, C axle powers torque motor, C axle motor seat, C axis brake axle, C axis pneumatic tongs clipping system, transition disc and rebound, the C axis are stopped
Axle is fixed on the top of the lower box, and the upper end of the C axis brake axle and the rotor of the C axle power torque motors passes through
C axis connection rings are fixedly connected, and the rotor of the C axle power torque motors is set in the outside of the C axis brake axles, the C
The stator of axle power torque motor is fixed on the C axle motor seat, the as described C axle motor seat of the upper box, described
The downside centering of rebound and the stator of the C axle power torque motors connect, the rebound is fixed on machine ram,
The downside centering of the transition disc and the rebound connects, and the outer rings of the C shaft rotation platform bearings is fixed on described
On transition disc, the inner ring of the C shaft rotation platform bearings is fixed on the upper end of the lower box, the pneumatic clamp system of the C axis
System is fixed on the inside of the transition disc, and the C axis pneumatic tongs clipping systems are located at the outside of the C axis brake axles, institute
Protection board is provided on the upside of the rotor for the C axle power torque motors stated, the protection board is fixed on the C axle motor seat,
The upper end of the C axle motor seat is equipped with upper end cover, and the top of the C axis brake axles is stretched out from the upper end cover.
2. a kind of single pendulum direct-drive type AC yaws according to claim 1, it is characterised in that：The A shaft rotation platform bearing blocks
Including the first step axis being wholely set and second step axis, the first step axis is arranged in the second step axis
Left side and outer diameter are more than the second step axis, and the inner ring of the A shaft rotation platform bearings is fixed on the first step axis
On, A axis brake disk centring is connected on the second step axis, and A axis connection rings centering is connected to described
Second step axis on；The endoporus of the lower box includes sequentially coaxially being arranged and communicating and aperture is sequentially increased from a left side is right
First step hole, second step hole and third stepped hole, the outer rings of the A shaft rotation platform bearings is mounted on the First
In rank hole, the A axis pneumatic tongs clipping systems are mounted in the second step hole, and the A spindle motor seats are mounted on institute
In the third stepped hole stated.
3. a kind of single pendulum direct-drive type AC yaws according to claim 2, it is characterised in that：The A shaft rotation platform bearing blocks
On be also wholely set third Step Shaft, the third Step Shaft be arranged the right side of the second step axis and outer diameter it is small
A shaft encoders are connected in centering on the second step axis, the third Step Shaft, the A shaft encoders are fixed
On A shaft encoder seats, the A shaft encoder seats are fixed on the A spindle motor seats.
4. a kind of single pendulum direct-drive type AC yaws according to claim 1, it is characterised in that：The C axis brake axles include
Sequentially coaxially setting and outer diameter are sequentially reduced from bottom to top the 4th Step Shaft, the 5th Step Shaft, the 6th Step Shaft and the 7th
The top centering of rank axis, the 4th Step Shaft and the lower box connects, and the C axis pneumatic tongs clipping systems are mounted on
The rotor centering in the outside of the 5th Step Shaft, the 6th Step Shaft and the C axle power torque motors connects, described
C axis connection ring sets be located at the outside of the 7th Step Shaft, the C axis connections ring is felt relieved with the C axis brake axles
Connection.
5. a kind of single pendulum direct-drive type AC yaws according to claim 4, it is characterised in that：On the C axis brake axles also
It is wholely set the 8th Step Shaft and the 9th Step Shaft, the 8th Step Shaft is integrally disposed upon the 7th Step Shaft
Upside, the 9th Step Shaft are integrally disposed upon the upside of the 8th Step Shaft, the 7th Step Shaft, the 8th
The outer diameter of rank axis and the 9th Step Shaft is sequentially reduced, and feeling relieved on the 8th Step Shaft is connected with C shaft encoders, the C
Shaft encoder is reversely fixed on the downside of the upper end cover.
6. a kind of single pendulum direct-drive type AC yaws according to claim 5, it is characterised in that：The inside of the upper end cover is fixed
The heart is connected with sealing cover, and the sealing cover is arranged in the top of the C shaft encoders, the sealing cover and described the
Deep groove ball bearing is installed, the outer ring of the deep groove ball bearing is compressed by a pressing plate, and the pressing plate is solid between nine Step Shafts
It is scheduled on the sealing cover.
7. a kind of single pendulum direct-drive type AC yaws according to claim 1, it is characterised in that：The A shaft rotation platform bearing blocks
The first lateral cable hole is inside offered, the second lateral cable hole and longitudinal third cabling are offered on the lower box
Hole offers longitudinal the 4th cable hole and the 5th cable hole, second cable hole, third in the C axis brake axles
Cable hole, the 4th cable hole and the 5th cable hole are sequentially communicated, first cable hole, the second cable hole, third cable hole,
4th cable hole and the 5th cable hole constitute the cable hole road of cable and function pipe needed for the electro spindle.
8. a kind of single pendulum direct-drive type AC yaws according to claim 1, it is characterised in that：The transition disc is round mistake
Disk is crossed, the rebound is rectangular rebound, and the length of side of the rebound is more than the diameter of the transition disc.
9. a kind of single pendulum direct-drive type AC yaws according to claim 1, it is characterised in that：The lower box and described
C axis brake axles are made of aerolite.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810863887.5A CN108772715B (en) | 2018-08-01 | 2018-08-01 | Simple pendulum direct drive type AC pendulum head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810863887.5A CN108772715B (en) | 2018-08-01 | 2018-08-01 | Simple pendulum direct drive type AC pendulum head |
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| Publication Number | Publication Date |
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| CN108772715A true CN108772715A (en) | 2018-11-09 |
| CN108772715B CN108772715B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810863887.5A Active CN108772715B (en) | 2018-08-01 | 2018-08-01 | Simple pendulum direct drive type AC pendulum head |
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| CN110153448A (en) * | 2019-05-30 | 2019-08-23 | 上海诺倬力机电科技有限公司 | Double-arm five shaft head structure |
| CN112427974A (en) * | 2020-11-18 | 2021-03-02 | 珠海格力智能装备有限公司 | Swing head structure |
| CN112427978A (en) * | 2021-01-28 | 2021-03-02 | 机械科学研究总院江苏分院有限公司 | Structure with four-axis function of main shaft and assembling method thereof |
| CN112975524A (en) * | 2021-02-09 | 2021-06-18 | 中国航空制造技术研究院 | Three-rotation-axis swing head suitable for ultrasonic cutting of composite material |
| CN113021020A (en) * | 2021-03-22 | 2021-06-25 | 宁波天控五轴数控技术有限公司 | AC directly drives structure of holding tightly of yaw and contains directly driving yaw of this structure |
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| CN113021020A (en) * | 2021-03-22 | 2021-06-25 | 宁波天控五轴数控技术有限公司 | AC directly drives structure of holding tightly of yaw and contains directly driving yaw of this structure |
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