CN109513976A - A/C axis double-pendulum milling head based on the driving of internal rotor torque motor - Google Patents
A/C axis double-pendulum milling head based on the driving of internal rotor torque motor Download PDFInfo
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- CN109513976A CN109513976A CN201811584912.2A CN201811584912A CN109513976A CN 109513976 A CN109513976 A CN 109513976A CN 201811584912 A CN201811584912 A CN 201811584912A CN 109513976 A CN109513976 A CN 109513976A
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- 238000003801 milling Methods 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims description 31
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
- B23C9/005—Details or accessories so far as specially adapted to milling machines or cutter milling heads
-
- 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
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses the A/C axis double-pendulum milling head driven based on internal rotor torque motor, including upper unit, upper unit includes C axis, the first internal rotor torque motor and the first transmission connection piece；Lower unit, lower unit include cabinet, the A axis for being located in the box body portion, the second internal rotor torque motor and the second transmission connection piece；AC connecting plate, AC connecting plate are arranged between upper unit and lower unit, and the first transmission connection piece is fixedly connected with AC connecting plate upper end, and AC connecting plate lower end is fixedly connected with cabinet；Wherein, the center line of C axis is arranged along up and down direction, and the first internal rotor torque motor drives C axis and the rotation of AC connecting plate by the first transmission connection piece；Second internal rotor torque motor drives A axis to swing by the second transmission connection piece, the centerline parallel of swinging plane and C axis.A axis and C axis in the present invention are driven by internal rotor torque motor, and transmission link is few, the kind of drive and layout are simple, stable drive, precision height, good heat dissipation, torque are big.
Description
Technical field
The present invention relates to machine tool technology fields, more particularly to the A/C axis based on the driving of internal rotor torque motor
Double-pendulum milling head.
Background technique
Currently, with the fast development of national economy, the centering of the industries such as Aeronautics and Astronautics, military project, generating equipment, big specification
The demand of planer-type 5-axis machining center is also being skyrocketed through, and A/C axis double-pendulum milling head be in, big five axis of specification gantry
The core functional components at linkage motion cutting center, due to the linkage function with A axis Yu C axis, being usually used in processing has complexity
The large-scale precision components of curved surface, such as impeller, blade, aircraft structure, large mold.Since A/C axis double-pendulum milling head possesses
Numerous core key technologies, therefore, A/C axis double-pendulum milling head be always in, big specification planer-type 5-axis machining center city
The focus of field competition.
The driving method of existing A/C axis double-pendulum milling head is the driving of ordinary motor machine driving.Wherein, mechanical drive mode
Common to have servo motor to drive using transmission mechanisms such as gear type, pinion and-rack, worm gear types, driving torque is larger,
Electrical wiring is few, but each transmission link requirement on machining accuracy is high, and there are wear phenomenon, and the precision of system and steady is used for a long time
It is qualitative to be difficult to ensure, and velocity and acceleration is low, over-cutting easily occurs when processing high speed curved surface, and due to intermediate transmission
The presence of link and generate rotary inertia, drive gap, motion delay, installation complicated the problems such as also become increasingly conspicuous.
Therefore, how to provide based on internal rotor torque motor driving A/C axis double-pendulum milling head be those skilled in the art urgently
Problem to be solved.
Summary of the invention
In view of this, solving traditional machine the present invention provides the A/C axis double-pendulum milling head driven based on internal rotor torque motor
Rotary inertia, drive gap, motion delay, the installation complexity etc. generated in tool transmission due to the presence of intermediate transmission link is asked
Topic.
To achieve the goals above, the present invention adopts the following technical scheme: the A/C axis based on the driving of internal rotor torque motor
Double-pendulum milling head, comprising: upper unit, the upper unit includes C axis, the first internal rotor torque motor and the first transmission connection piece；Under
Unit, the lower unit are set to the lower section of the upper unit, and the lower unit includes cabinet, the A axis for being located in the box body portion,
Two internal rotor torque motors and the second transmission connection piece；AC connecting plate, AC connecting plate setting is in the upper unit and described
Between lower unit, first transmission connection piece is fixedly connected with AC connecting plate upper end, the AC connecting plate lower end and institute
Cabinet is stated to be fixedly connected；Wherein, the center line of the C axis is arranged along up and down direction, and the first internal rotor torque motor is logical
It crosses the first transmission connection piece and drives the C axis and AC connecting plate rotation；The second internal rotor torque motor passes through second
Transmission connection piece drives the A axis to swing, the centerline parallel of swinging plane and the C axis.
It can be seen via above technical scheme that the present disclosure provides the A/C axis driven based on internal rotor torque motor
Double-pendulum milling head, its advantages are as follows: A axis and C axis are driven by internal rotor torque motor, opposite to drive with conventional mechanical transmission
Double-pendulum milling head, transmission link is few, the kind of drive and layout are simple, stable drive, precision are high, greatly reduces and is produced into
This, while good heat dissipation, thermal deformation is small, torque is high, stability is good.
Further, first transmission connection piece includes: that C axis holds body tightly, and the C axis holds body tightly and is located at the AC connection
The upper surface of plate, and be detachably connected with the AC connecting plate by bolt, and rotated together with the AC connecting plate；The C
The outer cover that axis holds body tightly is equipped with C axis brake member, carries out brake locking to hold body tightly to C axis；Connector sleeve, the connector sleeve
Bottom end is adapted and is fixedly connected with the top that the C axis holds body tightly, so that the connector sleeve revolves together with C axis holding body
Turn；The bottom end of the C axis is adapted and is fixedly connected with the top of the connector sleeve, so that the C axis and the connector sleeve one
Play rotation；C axle motor rotor connecting member, the rotor of the C axle motor rotor connecting member and the first internal rotor torque motor
Bottom end be fixedly connected, and be fixedly connected with the top of the connector sleeve, to turning the first internal rotor torque motor
The turning moment of son is transferred to the connector sleeve by the C axle motor rotor connecting member, so that the connector sleeve rotates.
The beneficial effect generated by adopting the above technical scheme is, is bolt between each part in the first transmission connection piece
It is fixedly connected, is easy to install and remove, and intermediate transmission link is few, compact-sized, layout is simple.
Further, the C axis include: pedestal, with the hollow shaft of the pedestal integrally connected, the bottom end of the pedestal with
The top of the connector sleeve is adapted and is fixedly connected, the C axle motor rotor connecting member be sheathed on the outside of the pedestal and
It is fixedly connected with the top of the connector sleeve；The outer cover of the hollow shaft is equipped with C axis conversion sleeve, inside the C axis conversion sleeve
It is respectively equipped with water route, oil circuit, gas circuit, to provide the water, oil, gas of cooling, lubrication, locking needed for the C axis.
The beneficial effect generated by adopting the above technical scheme is that its internal structure can be by water route, oil using C axis conversion sleeve
Road, gas circuit are effectively separated, water, oil, gas used in double-pendulum milling head are provided separately, structure is simple and is easily achieved water, oil, gas
Individually control.
Further, the upper unit further include: C axis upper cover, the C axis upper cover are mounted on described by deep groove ball bearing
The outside of hollow shaft, and be arranged close to the apical position of the hollow shaft；The C axis conversion sleeve top and the C axis upper cover are solid
Fixed connection；Bearing outer press cover, the bearing outer press cover are fixedly mounted on the upper surface of the C axis upper cover；C shaft angle degree detection dress
It sets, the C axis angle detection device is arranged in bearing outer press cover upper end, and angle detection device thereon is connected to the sky
The top endface of mandrel, to detect the rotation angle of the C axis.
Further, the C axis angle detection device includes: gasket, encoder bases, C shaft encoder, C shaft encoder
Axis, the gasket are installed on the upper surface of the bearing outer press cover, and the encoder bases are installed on the upper surface of the gasket,
The C shaft encoder is installed on the upper surface of the encoder bases, and the C axis coding is inserted into described C shaft encoder axis one end
In device, the other end is connected to the top endface of the hollow shaft, to detect the rotation angle of the C axis.
The beneficial effect generated by adopting the above technical scheme is, using the rotation angle of encoder detection C axis, volume
It is small, detection accuracy is high, ensure that the running accuracy of C axis, effectively increase the operating accuracy of double-pendulum milling head；Meanwhile using gasket,
The structure type of encoder bases, it is easy to accomplish the installation and removal of encoder.
Further, upper position limits first groove that Open Side Down, described cabinet or so in the middle part of the cabinet
Both ends are respectively corresponded close to the position of its bottom end offers left side accommodating chamber and right side accommodating chamber, the left side accommodating chamber and right side
Accommodating chamber is connected to first groove；
Second transmission connection piece includes:
A shaft housing, the A shaft housing is arranged in first groove, and can swing in the first groove, the A
The A axis is fixedly mounted inside shaft housing；
Left side main shaft support, the left side main shaft support are mounted on the interior of the left side accommodating chamber by crossed roller bearing
On wall, and the right end of the left side main shaft support is fixedly connected with the left end of the A shaft housing；
The left end of A spindle motor connector, the right end of the A spindle motor connector and the left side main shaft support is fixed to be connected
It connects, A spindle motor connector left end medium position offers the second groove；
A spindle motor rotor connecting plate, a left side for the rotor of the second internal rotor torque motor and the A spindle motor connector
End is fixedly connected by the A spindle motor rotor connecting plate, to by the rotor rotary force of the second internal rotor torque motor
Square is transferred to the A spindle motor connector by the A spindle motor rotor connecting plate, so that the A spindle motor connector rotates.
The beneficial effect generated by adopting the above technical scheme is that the cabinet in the present invention uses monolithic construction, structure
Excessive precision adjustment is not needed, processing can be fully relied on and guarantee its precision, and use integral structure, compare traditional fission
Formula body structure, rigidity is stronger, easy to process, while not excessive faying face, reduces the risk of oil liquid leakage.Second
Each part in transmission connection piece is that bolt is fixedly connected, and is easy to install and remove, and intermediate transmission link is few, structure
Compact, layout is simply.
Further, the lower unit further include: transition piece, the right end of the transition piece and the left side master
The left end of axis support is fixedly connected；A axis angle detection device, the A axis angle detection device are set in second groove
Portion, angle detection device thereon are fixedly connected with the left end of the transition piece, and then detect the angle of oscillation of the A axis
Degree；Right side main shaft support, the right side main shaft support are mounted on the inner wall of the right side accommodating chamber by crossed roller bearing,
And the left end of the right side main shaft support is fixedly connected with the right end of the A shaft housing；Tight lock part, the tight lock part are arranged in institute
It states in the accommodating chamber of right side, and is fixedly connected with the right end of the right side main shaft support, to lock the rotation of right side main shaft support,
And then lock the swing of the A axis.
The beneficial effect generated by adopting the above technical scheme is the second internal rotor torque motor, the A axis that driving A axis is swung
The tight lock part that angle detection device and locking A axis are swung is separately mounted to left side accommodating chamber and right side accommodating chamber, so that the two exists
There is hierarchy, and then structure is simpler, is easy to install and remove, and effectively prevents in traditional milling head in topology layout
Driving, angle detection and the locking of A axis use mixed structure form, and the problem of structure is complicated, hardly possible installation and removal occur.
Further, A spindle motor gland, the A spindle motor gland are fixedly mounted on the left end end of the left side accommodating chamber
At face；A shaft encoder fixed plate, the A shaft encoder fixed plate are fixedly connected with the A spindle motor gland；Adjust gasket, institute
Adjustment gasket is stated to be fixedly mounted in the A shaft encoder fixed plate；The A shaft encoder being placed in second groove, the A
Shaft encoder left end is fixedly connected with adjustment gasket；A shaft encoder is inserted into A shaft encoder axis, described A shaft encoder axis one end
In, and be rotatablely connected with A shaft encoder, the other end is fixedly connected with the left end of the transition piece, and then detects the A axis
Swing angle.
The beneficial effect generated by adopting the above technical scheme is that A shaft encoder is placed in the second groove of A spindle motor connector
In, so that the structure and driving structure of angle detection are more compact, while each part is the form being bolted, easily
In installation and removal；And the present invention carries out angle detection using encoder, small in size, precision is high, ensure that A axis was swung
Precision.
Further, the tight lock part includes: A axis converter, and the A axis converter includes mounting base and the installation
The snag axis of seat integrally connected, the mounting base are fixedly mounted on the right end end face of the right side accommodating chamber；A axis rotary sleeve,
The A axis rotary sleeve is set in the outside of the snag axis, and left end is fixedly connected with the right end of the right side main shaft support；A
Axis holds body tightly, and the A axis is held body tightly and is set on the outer surface of the A axis rotary sleeve left end, and together with the A axis rotary sleeve
Rotation；A axis brake member, the A axis brake member are set in the outside that the A axis holds body tightly, to hold body brake tightly to the A axis
Locking.
The beneficial effect generated by adopting the above technical scheme is that the right side of cabinet is arranged in tight lock part, is independent structure
Unit so that its structure, layout are simpler, and is conducive to the maintenance and maintenance work of later period double-pendulum milling head.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is the cross-sectional view of the A/C axis double-pendulum milling head provided by the invention based on the driving of internal rotor torque motor.
Fig. 2 attached drawing is Fig. 1 three dimensional structure diagram.
Wherein:
The upper unit of 1-, 11-C axis, 111- hollow shaft, 112- pedestal, 12 first internal rotor torque motors, 121- stator,
122- rotor, the first transmission connection piece of 13-, 131-C axis hold body, 132-C axis brake member, 133- connector sleeve, 134-C spindle motor tightly
Rotor connecting member, 14-C axis conversion sleeve, 15-C axis upper cover, 16- bearing outer press cover, 17-C axis angle detection device, 171- gasket,
172- encoder bases, 173-C shaft encoder, 174-C shaft encoder axis；
2- lower unit, 21- cabinet, the first groove of 211-, the left side 212- accommodating chamber, the right side 213- accommodating chamber, 22-A axis,
23- the second internal rotor torque motor, 231- rotor, 232- stator, the second rotating connector of 24-, 241-A shaft housing, 242- are left
Side main shaft support, 243- crossed roller bearing, 244-A spindle motor connector, 245-A spindle motor rotor connecting plate, 25- transition connect
Fitting, 26-A axis angle detection device, 261-A spindle motor gland, 262-A shaft encoder fixed plate, 263- adjust gasket, 264-
A shaft encoder, 265-A shaft encoder axis, the right side 27- main shaft support, 28- tight lock part, 281-A axis converter, 2811- installation
Seat, 2812- snag axis, 282-A axis rotary sleeve, 283-A axis hold body, 284-A axis brake member tightly；
3-AC connecting plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is a kind of
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1-2, the embodiment of the invention discloses the A/C axis double-pendulum milling head driven based on internal rotor torque motor, tools
Body includes:
Upper unit 1, upper unit 1 include C axis 11, the first internal rotor torque motor 12 and the first transmission connection piece 13；
Lower unit 2, lower unit 2 are set to the lower section of unit 1, and lower unit 2 includes cabinet 21, inside cabinet 21
A axis 22, the second internal rotor torque motor 23 and the second transmission connection piece 24；
AC connecting plate 3, AC connecting plate 3 are arranged between upper unit 1 and lower unit 2, and the first transmission connection piece 13 and AC connects
3 upper end of fishplate bar is fixedly connected, and 3 lower end of AC connecting plate is fixedly connected with cabinet 21；
Wherein, the center line of C axis 11 is arranged along up and down direction, and the first internal rotor torque motor 12 is connected by the first transmission
Fitting 13 drives C axis 11 and AC connecting plate 3 to rotate；Second internal rotor torque motor 23 drives A by the second transmission connection piece 24
Axis 22 is swung, the centerline parallel of swinging plane and C axis 11.
In order to optimize above-mentioned technical proposal, the present invention also provides some embodiments, specifically, the first transmission connection piece 13
Include:
C axis holds body 131 tightly, and C axis holds body 131 tightly and is located at the upper surface of AC connecting plate 3, and passes through bolt with AC connecting plate 3
It is detachably connected, and is rotated together with AC connecting plate 3；The outer cover that C axis holds body 131 tightly is equipped with C axis brake member 132, to C
Axis holds body 131 tightly and carries out brake locking；
The bottom end of connector sleeve 133, connector sleeve 133 is adapted and is fixedly connected with the top that C axis holds body 131 tightly, so that even
Female connector 133 and C axis is held body 131 tightly and is rotated together；The bottom end of C axis 11 is adapted and is fixedly connected with the top of connector sleeve 133, with
Rotate C axis 11 together with connector sleeve 133；
C axle motor rotor connecting member 134, the rotor of C axle motor rotor connecting member 134 and the first internal rotor torque motor 12
122 bottom end is fixedly connected, and is fixedly connected with the top of connector sleeve 133, to turning the first internal rotor torque motor 12
The turning moment of son 122 is transferred to connector sleeve 133 by C axle motor rotor connecting member 134, so that connector sleeve 133 rotates.
In order to optimize above-mentioned technical proposal, the present invention also provides some embodiments, specifically, C axis 5 includes: pedestal
112, with the hollow shaft 111 of 112 integrally connected of pedestal,
The bottom end of pedestal 112 is adapted and is fixedly connected with the top of connector sleeve 133, and 134 sets of C axle motor rotor connecting member
Set on pedestal 112 outside and be fixedly connected with the top of connector sleeve 133；The outer cover of hollow shaft 111 is equipped with C axis conversion sleeve
Be respectively equipped with water route, oil circuit, gas circuit inside 14, C axis conversion sleeves 14, to provide needed for C axis 11 it is cooling, lubricate, the water of locking,
Oil, gas.
In order to optimize above-mentioned technical proposal, the present invention also provides some embodiments, specifically, upper unit 1 further include: C
Axis upper cover 15, C axis upper cover 15 are mounted on the outside of hollow shaft 111 by deep groove ball bearing, and close to the top of hollow shaft 111 position
It installs；14 top of C axis conversion sleeve is fixedly connected with C axis upper cover 15；Bearing outer press cover 16, bearing outer press cover 16 are fixedly mounted on
The upper surface of C axis upper cover 15；C axis angle detection device 17, C axis angle detection device 17 are arranged in 16 upper end of bearing outer press cover,
Angle detection device thereon is connected to the top endface of hollow shaft 111, to detect the rotation angle of C axis 11.
In order to optimize above-mentioned technical proposal, the present invention also provides some embodiments, specifically, C axis angle detection device
17 include: gasket 171, encoder bases 172, C shaft encoder 173, C shaft encoder axis 174, and gasket 171 is installed on outside bearing
The upper surface of gland 16, encoder bases 172 are installed on the upper surface of gasket 171, and C shaft encoder 173 is installed on encoder bottom
The upper surface of seat 172,174 one end of C shaft encoder axis are inserted into C shaft encoder 173, and the other end is connected to the top of hollow shaft 111
Endface is held, to detect the rotation angle of C axis 11.
In order to optimize above-mentioned technical proposal, the present invention also provides some embodiments, specifically, by bottom in the middle part of cabinet 21
It sets and limits first groove 211 that Open Side Down, 21 left and right ends of cabinet are respectively corresponded close to the position of its bottom end to be offered
Left side accommodating chamber 212 and right side accommodating chamber 213, left side accommodating chamber 212 and right side accommodating chamber 213 are connected to the first groove 211；
Second transmission connection piece 24 includes:
A shaft housing 241, A shaft housing 241 is arranged in the first groove 211, and can swing in the first groove 211, A
A axis 22 is fixedly mounted inside shaft housing 241；
Left side main shaft support (242), left side main shaft support 242 are mounted on left side accommodating chamber by crossed roller bearing 243
On 212 inner wall, and the right end of left side main shaft support 242 is fixedly connected with the left end of A shaft housing 241；
A spindle motor connector 244, the fixed company of the right end of A spindle motor connector 244 and the left end of left side main shaft support 242
It connects, 244 left end medium position of A spindle motor connector offers the second groove；
A spindle motor rotor connecting plate 245, the rotor 231 and A spindle motor connector 244 of the second internal rotor torque motor 23
Left end be fixedly connected by A spindle motor rotor connecting plate 245, the rotor 231 of the second internal rotor torque motor 23 to be revolved
Torque is transferred to A spindle motor connector 244 by A spindle motor rotor connecting plate 245, so that A spindle motor connector 244 revolves
Turn.
In order to optimize above-mentioned technical proposal, the present invention also provides some embodiments, specifically, lower unit 2 further include: mistake
Connector 25 is crossed, the right end of transition piece 25 is fixedly connected with the left end of left side main shaft support 242；A axis angle detection device
26, A axis angle detection devices 26 are set to the second inside grooves, the left end of angle detection device and transition piece 25 thereon
It is fixedly connected, and then detects the swing angle of A axis 22；Right side main shaft support 27, right side main shaft support 27 pass through crossed roller axis
It holds 243 to be mounted on the inner wall of right side accommodating chamber 213, and the left end of right side main shaft support 27 and the right end of A shaft housing 241 are fixed
Connection；Tight lock part 28, the setting of tight lock part 28 are fixedly connected in right side accommodating chamber 213, and with the right end of right side main shaft support 27,
To lock the rotation of right side main shaft support 27, and then lock the swing of A axis 22.
In order to optimize above-mentioned technical proposal, the present invention also provides a kind of embodiments, specifically, A axis angle detection device
26 include: A spindle motor gland 261, and A spindle motor gland 261 is fixedly mounted on the left end endface of left side accommodating chamber 212；A axis is compiled
Code device fixed plate 262, A shaft encoder fixed plate 262 is fixedly connected with A spindle motor gland 261；Gasket 263 is adjusted, gasket is adjusted
263 are fixedly mounted in A shaft encoder fixed plate 262；The A shaft encoder 264 being placed in the second groove, A shaft encoder 264 are left
End is fixedly connected with adjustment gasket 263；A shaft encoder axis 265,265 one end of A shaft encoder axis are inserted into A shaft encoder 264,
And be rotatablely connected with A shaft encoder 264, the other end is fixedly connected with the left end of transition piece 25, and then detects the pendulum of A axis 22
Dynamic angle.
In order to optimize above-mentioned technical proposal, the present invention also provides some embodiments, specifically, tight lock part includes: that A axis turns
Parallel operation 281, A axis converter 281 include mounting base 2811, the snag axis 2812 with 2811 integrally connected of mounting base, mounting base
2811 are fixedly mounted on the right end end face of right side accommodating chamber 213；A axis rotary sleeve 282, A axis rotary sleeve 282 are set in snag axis
2812 outside, and left end is fixedly connected with the right end of right side main shaft support 27；A axis holds body 283 tightly, and A axis is held body 283 tightly and is arranged
It is rotated together on the outer surface of 282 left end of A axis rotary sleeve, and with A axis rotary sleeve 282；A axis brake member 284, A axis brake member
284 are set in the outside that A axis holds body 283 tightly, to hold the brake locking of body 283 tightly to A axis.
The present invention provides the A/C axis double-pendulum milling heads driven based on internal rotor torque motor, wherein the first internal rotor torque
Motor 12 includes: the rotor 122 of the first internal rotor torque motor and the rotor 122 for being set in the first internal rotor torque motor
The stator 121 of the first external internal rotor torque motor；Second internal rotor torque motor 23 includes: the second internal rotor torque motor
Rotor 231 and the second internal rotor torque motor being set in outside the rotor 231 of the second internal rotor torque motor stator
232。
A/C axis double-pendulum milling head in the present invention is driven by internal rotor torque motor, and good heat dissipation, thermal deformation be small, torque
Height, stability are good, while solving the rotary inertia generated in conventional mechanical transmission due to the presence of intermediate transmission link, passing
The problems such as dynamic gap, motion delay, complicated installation.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. the A/C axis double-pendulum milling head based on the driving of internal rotor torque motor characterized by comprising
Upper unit (1), the upper unit (1) include C axis (11), the first internal rotor torque motor (12) and the first transmission connection piece
(13)；
Lower unit (2), the lower unit (2) are set to the lower section of the upper unit (1), and the lower unit (2) includes cabinet
(21), it is located at cabinet (21) internal A axis (22), the second internal rotor torque motor (23) and second transmission connection piece (24)；
AC connecting plate (3), the AC connecting plate (3) are arranged between the upper unit (1) and the lower unit (2), and described the
One transmission connection piece (13) is fixedly connected with AC connecting plate (3) upper end, AC connecting plate (3) lower end and the cabinet
(21) it is fixedly connected；
Wherein, the center line of the C axis (11) is arranged along up and down direction, and the first internal rotor torque motor (12) passes through the
One transmission connection piece (13) drives the C axis (11) and the AC connecting plate (3) rotation；The second internal rotor torque motor
(23) the A axis (22) is driven to swing by the second transmission connection piece (24), the center line of swinging plane and the C axis (11)
In parallel.
2. the A/C axis double-pendulum milling head according to claim 1 based on the driving of internal rotor torque motor, which is characterized in that institute
Stating the first transmission connection piece (13) includes:
C axis holds body (131) tightly, and the C axis holds the upper surface that body (131) are located at the AC connecting plate (3) tightly, and connects with the AC
Fishplate bar (3) is detachably connected by bolt, and is rotated together with the AC connecting plate (3)；The C axis holds the outer of body (131) tightly
Portion is arranged with C axis brake member (132), carries out brake locking to hold body (131) tightly to C axis；
The bottom end of connector sleeve (133), the connector sleeve (133) is adapted with the top that the C axis holds body (131) tightly and the company of fixation
It connects, is rotated together so that the connector sleeve (133) holds body (131) tightly with the C axis；The bottom end of the C axis (11) and the company
The top of female connector (133) is adapted and is fixedly connected, so that the C axis (11) rotates together with the connector sleeve (133)；
C axle motor rotor connecting member (134), the C axle motor rotor connecting member (134) and the first internal rotor torque motor
(12) bottom end of rotor (122) is fixedly connected, and is fixedly connected with the top of the connector sleeve (133), to by described
The turning moment of the rotor (122) of one internal rotor torque motor (12) is transferred to by the C axle motor rotor connecting member (134)
The connector sleeve (133), so that the connector sleeve (133) rotates.
3. the A/C axis double-pendulum milling head according to claim 2 based on the driving of internal rotor torque motor, which is characterized in that institute
The hollow shaft (111) that C axis (5) includes: pedestal (112) and the pedestal (112) integrally connected is stated,
The bottom end of the pedestal (112) is adapted and is fixedly connected with the top of the connector sleeve (133), and the C axle motor turns
Sub- connecting member (134) is sheathed on the outside of the pedestal (112) and is fixedly connected with the top of the connector sleeve (133)；It is described
The outer cover of hollow shaft (111) is equipped with C axis conversion sleeve (14), be respectively equipped with inside the C axis conversion sleeve (14) water route, oil circuit,
Gas circuit, to provide the water, oil, gas of cooling, lubrication, locking needed for the C axis (11).
4. the A/C axis double-pendulum milling head according to claim 3 based on the driving of internal rotor torque motor, which is characterized in that institute
State unit (1) further include:
C axis upper cover (15), the C axis upper cover (15) is mounted on the outside of the hollow shaft (111) by deep groove ball bearing, and leans on
The apical position setting of the nearly hollow shaft (111)；The C axis conversion sleeve (14) top and the fixed company of the C axis upper cover (15)
It connects；
Bearing outer press cover (16), the bearing outer press cover (16) are fixedly mounted on the upper surface of the C axis upper cover (15)；
C axis angle detection device (17), the C axis angle detection device (17) are arranged in bearing outer press cover (16) upper end,
Angle detection device thereon is connected to the top endface of the hollow shaft (111), to detect the rotation of the C axis (11)
Angle.
5. the A/C axis double-pendulum milling head according to claim 4 based on the driving of internal rotor torque motor, which is characterized in that institute
Stating C axis angle detection device (17) includes: gasket (171), encoder bases (172), C shaft encoder (173), C shaft encoder
Axis (174),
The gasket (171) is installed on the upper surface of the bearing outer press cover (16), and the encoder bases (172) are installed on institute
The upper surface of gasket (171) is stated, the C shaft encoder (173) is installed on the upper surface of the encoder bases (172), the C
Shaft encoder axis (174) one end is inserted into the C shaft encoder (173), and the other end is connected to the top of the hollow shaft (111)
Endface, to detect the rotation angle of the C axis (11).
6. the A/C axis double-pendulum milling head according to any one of claims 1 to 5 based on the driving of internal rotor torque motor, special
Sign is that upper position limits first groove (211) that Open Side Down in the middle part of the cabinet (21), and the cabinet (21) is left
Right both ends are respectively corresponded close to the position of its bottom end offers left side accommodating chamber (212) and right side accommodating chamber (213), the left side
Accommodating chamber (212) and right side accommodating chamber (213) are connected to first groove (211)；
Second transmission connection piece (24) includes:
A shaft housing (241), A shaft housing (241) setting is interior in first groove (211), and can be recessed described first
It is swung in slot (211), the A axis (22) is fixedly mounted inside the A shaft housing (241)；
Left side main shaft support (242), the left side main shaft support (242) are mounted on the left side by crossed roller bearing (243)
On the inner wall of side accommodating chamber (212), and the left end of the right end of the left side main shaft support (242) and the A shaft housing (241) is solid
Fixed connection；
A spindle motor connector (244), the right end of the A spindle motor connector (244) and the left side main shaft support (242)
Left end is fixedly connected, and A spindle motor connector (244) left end medium position offers the second groove；
A spindle motor rotor connecting plate (245), the rotor (231) and the A spindle motor of the second internal rotor torque motor (23)
The left end of connector (244) is fixedly connected by the A spindle motor rotor connecting plate (245), to by second internal rotor
Rotor (231) turning moment of torque motor (23) is transferred to the A axis electricity by the A spindle motor rotor connecting plate (245)
Machine connector (244), so that the A spindle motor connector (244) rotates.
7. the A/C axis double-pendulum milling head according to claim 6 based on the driving of internal rotor torque motor, which is characterized in that institute
State lower unit (2) further include:
Transition piece (25), the right end of the transition piece (25) and the left end of the left side main shaft support (242) are fixed
Connection；
A axis angle detection device (26), the A axis angle detection device (26) are set to second inside grooves, thereon
Angle detection device is fixedly connected with the left end of the transition piece (25), and then detects the swing angle of the A axis (22)；
Right side main shaft support (27), the right side main shaft support (27) are mounted on the right side by crossed roller bearing (243)
On the inner wall of accommodating chamber (213), and the left end of the right side main shaft support (27) and the right end of the A shaft housing (241) are fixed
Connection；
Tight lock part (28), the tight lock part (28) setting in the right side accommodating chamber (213), and with the right side main shaft support
(27) right end is fixedly connected, and to lock the rotation of right side main shaft support (27), and then locks the swing of the A axis (22).
8. the A/C axis double-pendulum milling head according to claim 7 based on the driving of internal rotor torque motor, which is characterized in that institute
Stating A axis angle detection device (26) includes:
A spindle motor gland (261), the A spindle motor gland (261) are fixedly mounted on the left end of the left side accommodating chamber (212)
Endface；
A shaft encoder fixed plate (262), the A shaft encoder fixed plate (262) and the A spindle motor gland (261) are fixed to be connected
It connects；
It adjusts gasket (263), the adjustment gasket (263) is fixedly mounted on the A shaft encoder fixed plate (262)；
The A shaft encoder (264) being placed in second groove, A shaft encoder (264) left end and adjustment gasket (263)
It is fixedly connected；
A shaft encoder axis (265), the A shaft encoder axis (265) one end are inserted into A shaft encoder (264), and are encoded with A axis
Device (264) rotation connection, the other end are fixedly connected with the left end of the transition piece (25), and then detect the A axis (22)
Swing angle.
9. the A/C axis double-pendulum milling head according to claim 7 based on the driving of internal rotor torque motor, which is characterized in that institute
Stating tight lock part (28) includes:
A axis converter (281), the A axis converter (281) include mounting base (2811) and the mounting base (2811) one
The snag axis (2812) of connection, the mounting base (2811) are fixedly mounted on the right end end face of the right side accommodating chamber (213)；
A axis rotary sleeve (282), the A axis rotary sleeve (282) are set in the outside of the snag axis (2812), and left end and institute
The right end for stating right side main shaft support (27) is fixedly connected；
A axis holds body (283) tightly, and the A axis is held body (283) tightly and is set on the outer surface of A axis rotary sleeve (282) left end,
And it is rotated together with the A axis rotary sleeve (282)；
A axis brake member (284), the A axis brake member (284) is set in the outside that the A axis holds body (283) tightly, to institute
It states A axis and holds body (283) brake locking tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811584912.2A CN109513976A (en) | 2018-12-24 | 2018-12-24 | A/C axis double-pendulum milling head based on the driving of internal rotor torque motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811584912.2A CN109513976A (en) | 2018-12-24 | 2018-12-24 | A/C axis double-pendulum milling head based on the driving of internal rotor torque motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109513976A true CN109513976A (en) | 2019-03-26 |
Family
ID=65796140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811584912.2A Pending CN109513976A (en) | 2018-12-24 | 2018-12-24 | A/C axis double-pendulum milling head based on the driving of internal rotor torque motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109513976A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111730362A (en) * | 2020-07-28 | 2020-10-02 | 北京博鲁斯潘精密机床有限公司 | High-rigidity high-precision high-speed five-axis linkage numerical control machine tool AC/BC spindle driving swing head |
| 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 |
| CN113074198A (en) * | 2021-03-22 | 2021-07-06 | 宁波天控五轴数控技术有限公司 | Swing head double composite brake device |
| CN113134644A (en) * | 2020-12-09 | 2021-07-20 | 江苏开璇智能科技有限公司 | Triple harmonic drive AC shaft double-swing head |
| CN115657597A (en) * | 2022-12-15 | 2023-01-31 | 山东省机械设计研究院 | AC main shaft head of numerical control machine tool and control method |
| CN117773208A (en) * | 2024-02-27 | 2024-03-29 | 廊坊市伊贝格机械有限公司 | Precision compensation method, device, equipment and medium for five-axis linkage double-pendulum milling head |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011795A (en) * | 2007-01-15 | 2007-08-08 | 大连光洋科技工程有限公司 | Double pendulum milling head of AC permanent magnetic synchronization external-rotor-type force moment motor drive |
| DE102006045787A1 (en) * | 2006-09-26 | 2008-04-03 | Heinz Adams | Dual axis milling head for machine tool movable along several axes and driven without play has milling spindle arranged in center of C rotation axis and drive axes X,Y and Z and A and C axes can each be moved individually or in common |
| CN102069409A (en) * | 2010-11-12 | 2011-05-25 | 中捷机床有限公司 | Double-swing cutter head driven by alternating-current permanent-magnet synchronous inner rotor torque motor |
| CN201862839U (en) * | 2010-10-14 | 2011-06-15 | 沈阳机床（集团）设计研究院有限公司 | Joint type A/C shaft bi-rotary numerical control universal milling head |
| DE102010037737A1 (en) * | 2010-09-23 | 2012-03-29 | F. Zimmermann Gmbh | Rotating head i.e. milling head, for controlled positioning of portal milling machine spindle during e.g. model construction in automobile industry, has input elements coupled with motors, and gear output element coupled with spindle device |
| KR20130094612A (en) * | 2012-02-16 | 2013-08-26 | 주식회사 남선기공 | Two shaft automatic turning use head equipment |
| CN203804640U (en) * | 2014-02-12 | 2014-09-03 | 山东宏泰机械科技股份有限公司 | Driving device for shaft A and shaft C of five-shaft power head of numerical control milling machine |
| CN205949941U (en) * | 2016-07-11 | 2017-02-15 | 科德数控股份有限公司 | Double pendulum cutter head based on inner rotor torque motors |
| CN108772714A (en) * | 2018-08-01 | 2018-11-09 | 宁波海天精工股份有限公司 | A kind of double pendulum direct-drive type AC yaws |
| CN209407531U (en) * | 2018-12-24 | 2019-09-20 | 吴行飞 | A/C axis double-pendulum milling head based on the driving of internal rotor torque motor |
-
2018
- 2018-12-24 CN CN201811584912.2A patent/CN109513976A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006045787A1 (en) * | 2006-09-26 | 2008-04-03 | Heinz Adams | Dual axis milling head for machine tool movable along several axes and driven without play has milling spindle arranged in center of C rotation axis and drive axes X,Y and Z and A and C axes can each be moved individually or in common |
| CN101011795A (en) * | 2007-01-15 | 2007-08-08 | 大连光洋科技工程有限公司 | Double pendulum milling head of AC permanent magnetic synchronization external-rotor-type force moment motor drive |
| DE102010037737A1 (en) * | 2010-09-23 | 2012-03-29 | F. Zimmermann Gmbh | Rotating head i.e. milling head, for controlled positioning of portal milling machine spindle during e.g. model construction in automobile industry, has input elements coupled with motors, and gear output element coupled with spindle device |
| CN201862839U (en) * | 2010-10-14 | 2011-06-15 | 沈阳机床（集团）设计研究院有限公司 | Joint type A/C shaft bi-rotary numerical control universal milling head |
| CN102069409A (en) * | 2010-11-12 | 2011-05-25 | 中捷机床有限公司 | Double-swing cutter head driven by alternating-current permanent-magnet synchronous inner rotor torque motor |
| KR20130094612A (en) * | 2012-02-16 | 2013-08-26 | 주식회사 남선기공 | Two shaft automatic turning use head equipment |
| CN203804640U (en) * | 2014-02-12 | 2014-09-03 | 山东宏泰机械科技股份有限公司 | Driving device for shaft A and shaft C of five-shaft power head of numerical control milling machine |
| CN205949941U (en) * | 2016-07-11 | 2017-02-15 | 科德数控股份有限公司 | Double pendulum cutter head based on inner rotor torque motors |
| CN108772714A (en) * | 2018-08-01 | 2018-11-09 | 宁波海天精工股份有限公司 | A kind of double pendulum direct-drive type AC yaws |
| CN209407531U (en) * | 2018-12-24 | 2019-09-20 | 吴行飞 | A/C axis double-pendulum milling head based on the driving of internal rotor torque motor |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111730362A (en) * | 2020-07-28 | 2020-10-02 | 北京博鲁斯潘精密机床有限公司 | High-rigidity high-precision high-speed five-axis linkage numerical control machine tool AC/BC spindle driving swing head |
| CN113134644A (en) * | 2020-12-09 | 2021-07-20 | 江苏开璇智能科技有限公司 | Triple harmonic drive AC shaft double-swing head |
| 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 |
| CN112975524B (en) * | 2021-02-09 | 2022-06-10 | 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 |
| CN113074198A (en) * | 2021-03-22 | 2021-07-06 | 宁波天控五轴数控技术有限公司 | Swing head double composite brake device |
| 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 |
| CN113074198B (en) * | 2021-03-22 | 2022-09-13 | 宁波天控五轴数控技术有限公司 | Swing head double composite brake device |
| CN115657597A (en) * | 2022-12-15 | 2023-01-31 | 山东省机械设计研究院 | AC main shaft head of numerical control machine tool and control method |
| CN115657597B (en) * | 2022-12-15 | 2023-03-28 | 山东省机械设计研究院 | AC main shaft head of numerical control machine tool and control method |
| CN117773208A (en) * | 2024-02-27 | 2024-03-29 | 廊坊市伊贝格机械有限公司 | Precision compensation method, device, equipment and medium for five-axis linkage double-pendulum milling head |
| CN117773208B (en) * | 2024-02-27 | 2024-05-24 | 廊坊市伊贝格机械有限公司 | Precision compensation method, device, equipment and medium for five-axis linkage double-pendulum milling head |
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Effective date of registration: 20191022 Address after: 5088, floor 5, building a, No. 18, Xihuan South Road, Beijing Economic and Technological Development Zone Applicant after: BEIJING PROSPER PRECISION MACHINE TOOL CO., LTD. Address before: 100176 Huilongsen International Innovation Industrial Park, 18 Yizhuang West Ring South Road, Daxing District, Beijing, 5th floor 508 Applicant before: Wu Xing Fei |