CN108772715A - A kind of single pendulum direct-drive type AC yaws - Google Patents

A kind of single pendulum direct-drive type AC yaws Download PDF

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Publication number
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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China
Prior art keywords
axis
shaft
fixed
axle
spindle
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CN201810863887.5A
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Chinese (zh)
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CN108772715B (en
Inventor
赵岩
祁立民
孟祥宇
徐林波
蒋振林
陈英杰
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Ningbo Haitian Precision Machinery Co Ltd
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Ningbo Haitian Precision Machinery Co Ltd
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Publication of CN108772715A publication Critical patent/CN108772715A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/28Electric drives
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Braking Arrangements (AREA)

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

A kind of single pendulum direct-drive type AC yaws
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.
CN201810863887.5A 2018-08-01 2018-08-01 Simple pendulum direct drive type AC pendulum head Active CN108772715B (en)

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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
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
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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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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
CN113021020B (en) * 2021-03-22 2022-09-09 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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