CN108772714B - Double-pendulum direct-drive type AC pendulum head - Google Patents
Double-pendulum direct-drive type AC pendulum head Download PDFInfo
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- CN108772714B CN108772714B CN201810862716.0A CN201810862716A CN108772714B CN 108772714 B CN108772714 B CN 108772714B CN 201810862716 A CN201810862716 A CN 201810862716A CN 108772714 B CN108772714 B CN 108772714B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/28—Electric drives
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a double-pendulum direct-drive type AC pendulum head which comprises a spindle box, an electric spindle, a box body, an A-axis part and a C-axis part, wherein the central line of the A-axis part is vertical to the central line of the electric spindle, and the central line of the C-axis part is coincident with the central line of the electric spindle. The A shaft and the C shaft of the AC swing head are driven by a torque motor, and the main shaft adopts an electric main shaft, so that the whole structure is compact. The A shaft part of the AC swing head comprises a first A shaft part and a second A shaft part which are coaxially arranged in the box body, namely, the A shaft part is designed in a bilateral symmetry way, and the eccentricity of the whole structure is low, so that the transposition of the C shaft is smoother.
Description
Technical Field
The invention relates to an AC swing head of a numerical control machining center, in particular to a double-swing direct-drive AC swing head.
Background
Five-axis linkage machining is always pursued by numerical control machining centers. With the rapid development of the die industry and the aerospace industry, the requirement on a five-axis linkage processing machine tool is increasing, the five-axis head adopting a torque motor as an A/C axis indexing driving force can realize linkage processing, and the high-speed and high-precision processing can be realized by adopting a high-power high-speed motorized spindle, so that the five-axis linkage processing machine tool is a pet in the processing market.
For the AC swinging head adopting the torque motor direct drive, the single swinging and double swinging modes are adopted, the single swinging AC swinging head is only provided with a torque motor driving mechanism at one side of an A shaft, the driving force of the A shaft is smaller, the double swinging AC swinging heads are respectively provided with a torque motor driving mechanism at two sides of the A shaft, the driving force of the A shaft is larger, the A shaft is symmetrically designed, the gravity center of the swinging head coincides with the rotation center of a C shaft, and the transposition has better stability.
However, most of the conventional AC swinging heads driven by a torque motor have rough structures, so that the assembly precision and the processing precision of the AC swinging heads are difficult to ensure, and the reliability is poor. For example, CN204700579U discloses a torque motor direct-drive type AC swinging head, which belongs to the field of machine tool transmission devices, and is a double-swing AC swinging head, and the double-swing AC swinging head comprises an a shaft, a C shaft, an a shaft shell, a C shaft shell and an electric spindle, wherein the a shaft is vertically arranged with the C shaft, the a shaft shell and the C shaft shell are fixedly connected, the C shaft is connected on the C shaft shell through a first bearing, the C shaft torque motor is fixed on the C shaft through a first connecting device, the outer side of the a shaft is provided with an a shaft center shaft, the a shaft is connected on the a shaft center shaft through a second bearing, the inner side of the a shaft shell is fixedly provided with the a shaft torque motor, the a shaft torque motor is connected with the a shaft through a second connecting device, the outer side of the a shaft is connected with a spindle sleeve through a screw, and the electric spindle is fixed in the spindle sleeve. Although the AC pendulum simplifies the pendulum transmission structure to a certain extent and reduces transmission links, the relevant components are simply combined, the assembly precision of the components is difficult to ensure, and in addition, the patent does not disclose the structure such as the clamping mode, the wiring mode and the like of the a-axis and the C-axis of the AC pendulum, so that as a complete AC pendulum, whether the overall structural dimension of the AC pendulum is compact and reasonable enough cannot be determined, and the machining precision of the AC pendulum is difficult to ensure.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the double-pendulum direct-drive type AC swinging head which has the advantages of compact structure, space saving, reasonable structural design, convenience in processing and high processing precision.
The technical scheme adopted for solving the technical problems is as follows: the double-pendulum direct-drive type AC swinging head comprises a main shaft box, an electric spindle, a box body, an A shaft part and a C shaft part, wherein the central line of the A shaft part is vertical to the central line of the electric spindle, the central line of the C shaft part is coincident with the central line of the electric spindle, the electric spindle is vertically arranged in the main shaft box, the A shaft part comprises a first A shaft part and a second A shaft part which are coaxially arranged in the box body, the first A shaft part and the second A shaft part are respectively arranged at two sides of the main shaft box, the C shaft part is arranged at the upper side of the box body, the first A shaft part comprises a first turntable bearing, a first turntable bearing seat, a first torque motor, a first motor seat, a first brake ring, a first pneumatic clamping system, a first connecting ring, a first transition plate, an inner oil distributing ring and an outer oil distributing ring, the first rotating table bearing seat is connected with the right side of the main shaft box in a centering way, the left end of the first brake ring is fixed on the main shaft box, the first rotating table bearing seat, the first pneumatic clamping system, the first connecting ring and the outer oil distribution ring are sleeved on the first brake ring from left to right in sequence, the first brake ring is connected with the first rotating table bearing seat in a centering way, the first pneumatic clamping system is fixed on the box body, the inner ring of the first rotating table bearing is fixed on the first rotating table bearing seat, the outer ring of the first rotating table bearing is fixed on the box body, the first motor seat is arranged on the right side of the box body in a centering way, the stator of the first torque motor is fixed on the first motor seat, the rotor of the first torque motor is fixedly connected with the first connecting ring, the first connecting ring is in centering connection with the first brake ring, the first transition plate is in centering connection with the right side of the box body, the inner oil distribution ring is in centering connection with the left side of the first transition plate, the first brake ring is sleeved on the inner oil distribution ring, the outer oil distribution ring is fixed on the inner oil distribution ring, the right side of the box body is provided with a first protection plate, and the first protection plate is provided with a first cover plate; the second A shaft part comprises a second rotary table bearing, a second rotary table bearing seat, a second torque motor, a second motor seat, a second brake ring, a second pneumatic clamping system, a second connecting ring and a first wiring pipe, wherein the second rotary table bearing seat is connected to the left side of the main shaft box in a centering way; the C shaft part comprises a third turntable bearing, a third torque motor, a third motor seat, a third brake ring, a third pneumatic clamping system, a third connecting ring, a transition shaft, a transition disc, a second transition plate and a second wire pipe, wherein the inner ring of the third turntable bearing and the transition shaft are respectively and centrally connected to the top end of the box body, the transition disc is fixed on the outer ring of the third turntable bearing, the third pneumatic clamping system is fixed on the inner side of the transition disc, the third brake ring is fixed on the outer side of the transition shaft, the third pneumatic clamping system is positioned on the outer side of the third brake ring, the second transition plate is centrally connected to the upper side of the transition disc, the second transition plate is centrally connected with the lower side of the stator of the third torque motor, the upper side of the stator of the third torque motor is fixedly connected with the third seat, the third connecting ring is fixedly connected with the upper end cover of the third wire pipe, and the upper end cover of the third connecting shaft is fixedly connected with the lower side of the rotor of the third connecting ring.
The double-pendulum direct-drive type AC pendulum head is compact in structure, space-saving, reasonable in structural design, convenient to process and high in processing precision. The A shaft and the C shaft of the AC swing head are driven by a torque motor, and the main shaft adopts an electric main shaft, so that the whole structure is compact. The A shaft part of the AC swing head comprises a first A shaft part and a second A shaft part which are coaxially arranged in the box body, namely, the A shaft part is designed in a bilateral symmetry way, and the eccentricity of the whole structure is low, so that the transposition of the C shaft is smoother.
In the first A-axis part of the double-pendulum direct-drive AC pendulum head, a spindle box, a first turntable bearing seat and a first brake ring are connected into a whole to form a rotating link, and the rotating link can rotate through a first turntable bearing; the box body, the first motor seat, the stator of the first torque motor, the first transition plate, the inner oil distribution ring and the outer oil distribution ring form a stationary link; the rotor of the first torque motor and the first connecting ring form a power link, the torque output by the first torque motor is transmitted to a rotating link, and the spindle box, the first turntable bearing seat and the first brake are driven to rotate around the A shaft; the first pneumatic clamping system and the first brake ring form a brake link, and a brake moment is applied to the first brake ring through a brake function of the first pneumatic clamping system to drive the rotating link to realize a brake action. Similar to the first a-axis portion, indexing power for the second a-axis portion is provided by the second torque motor rotor, transferred to the second brake ring via the second connecting ring, and transferred to the headstock via the second turret bearing housing.
The double-pendulum direct-drive type AC swinging head comprises a box body, an A-axis part, a transition shaft, a third brake ring, a second wiring pipe, a third connecting ring and a stator of a third torque motor, wherein the stator can rotate around a C-axis through a third turntable bearing, and a third pneumatic clamping system applies brake torque to the third brake ring through a self-contained brake function to realize C-axis brake action.
Preferably, the right side of the inner oil distributing ring is connected with an A-axis encoder in a centering way, an encoder shaft penetrates through the inner oil distributing ring and is connected with the right side of the spindle box in a centering way, an encoder protection cover is arranged on the right side of the A-axis encoder, and the encoder protection cover is fixed on the first cover plate. The A-axis encoder can identify and read the angle position of the A-axis in real time, and the accuracy of the rotation angle of the A-axis is ensured.
Preferably, the lower side of the upper end cover is fixedly provided with a connecting sleeve, the connecting sleeve is positioned on the outer side of the second wiring pipe, the lower side of the connecting sleeve is fixedly provided with an encoder mounting seat, the encoder mounting seat is provided with a C-axis encoder, and the C-axis encoder is connected on the outer side of the second wiring pipe in a centering way. The C-axis encoder can recognize and read the angular position of the C-axis in real time. The second wiring pipe can provide the rotation angle position of the swinging head C shaft for the C shaft encoder, and the accuracy of the rotation angle of the C shaft is ensured.
Preferably, the inner side of the upper end cover is connected with a sealing cover in a centering way, a deep groove ball bearing is arranged between the sealing cover and the second wiring pipe, the outer ring of the deep groove ball bearing is pressed by a pressing plate, and the pressing plate is fixed on the sealing cover. The deep groove ball bearing plays an auxiliary supporting role on the second wiring pipe, and the reliability of the integral structure of the swinging head is further improved.
Preferably, the inner side of the first wiring pipe is provided with a first wiring hole, the left side and the right side of the upper part of the box body are respectively provided with a second wiring hole and a third wiring hole, the inner side of the transition shaft is provided with a fourth wiring hole, the inner side of the second wiring pipe is provided with a fifth wiring hole communicated with the fourth wiring hole, and the first wiring hole, the second wiring hole, the third wiring hole, the fourth wiring hole and the fifth wiring hole are used for wiring cables and functional pipes required by the electric spindle. The pipe running mode is simple in design and high in reliability, and is beneficial to ensuring the compactness of the whole structure of the AC swing head.
Further, the cable is routed through the first routing hole, the second routing hole, the fourth routing hole and the fifth routing hole in sequence; the side wall of the first brake ring is provided with a first functional hole path, the side wall of the inner oil distribution ring is provided with a second functional hole path, a third functional hole path and a fourth functional hole path, the first transition plate is provided with a fifth functional hole path, the first functional hole path, the second functional hole path, the third functional hole path, the fourth functional hole path and the fifth functional hole path are sequentially communicated, a pipe joint is installed at the outlet of the fifth functional hole path, a functional pipe is connected to the pipe joint, and the functional pipe passes through the third wiring hole, the fourth wiring hole and the fifth wiring hole in sequence. The cables required by the electric spindle and the wires of the functional pipes are separated left and right, so that mutual interference can be prevented, and the reliability of the swinging head is improved.
Preferably, the box body is made of aviation aluminum alloy. So as to further lighten the overall weight of the AC swing head and enable the A axis and the C axis to have larger acceleration when rotating.
Compared with the prior art, the invention has the following advantages: the double-pendulum direct-drive type AC pendulum head disclosed by the invention has the advantages of compact structure, space saving, reasonable structural design, convenience in processing and high processing precision. The A shaft and the C shaft of the AC swing head are driven by a torque motor, and the main shaft adopts an electric main shaft, so that the whole structure is compact. The A shaft part of the AC swing head comprises a first A shaft part and a second A shaft part which are coaxially arranged in the box body, namely, the A shaft part is designed in a bilateral symmetry way, and the eccentricity of the whole structure is low, so that the transposition of the C shaft is smoother.
Drawings
FIG. 1 is a schematic longitudinal section of a double pendulum direct drive AC pendulum head according to the present invention;
fig. 2 is a schematic diagram of a partial wiring of an electric spindle functional tube in a double pendulum direct drive AC pendulum head according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
The double pendulum direct drive type AC pendulum head of embodiment 1, as shown in fig. 1 and 2, comprises a main spindle box 1, an electric spindle 11, a box body 2 made of an aviation aluminum alloy, an a-axis part, and a C-axis part, wherein the center line of the a-axis part is perpendicular to the center line of the electric spindle 11, the center line of the C-axis part coincides with the center line of the electric spindle 11, the electric spindle 11 is vertically installed in the main spindle box 1, the a-axis part comprises a first a-axis part and a second a-axis part coaxially arranged in the box body 2, the first a-axis part and the second a-axis part are respectively arranged at both sides of the main spindle box 1, the C-axis part is arranged at the upper side of the box body 2, the first a-axis part comprises a first rotary table bearing 31, a first rotary table bearing seat 32, a first torque motor, a first motor seat 34, a first brake ring 35, a first pneumatic clamping system 36, a first connecting ring 37, a first transition plate 38, an inner distribution oil ring 39 and an outer distribution oil ring 30, the first rotating table bearing seat 32 is connected on the right side of the main shaft box 1 in a centering way, the left end of the first brake ring 35 is fixed on the main shaft box 1, the first rotating table bearing seat 32, the first pneumatic clamping system 36, the first connecting ring 37 and the outer distribution oil ring 30 are sequentially sleeved on the first brake ring 35 from left to right, the first brake ring 35 is connected with the first rotating table bearing seat 32 in a centering way, the first pneumatic clamping system 36 is fixed on the box body 2, the inner ring of the first rotating table bearing 31 is fixed on the first rotating table bearing seat 32, the outer ring of the first rotating table bearing 31 is fixed on the box body 2, the first motor seat 34 is arranged on the right side of the box body 2 in a centering way, the stator 331 of the first torque motor is fixed on the first motor seat 34, the rotor 332 of the first torque motor is fixedly connected with the first connecting ring 37, the first connecting ring 37 is fixedly connected with the first brake ring 35 in a centering way, the first transition plate 38 is fixedly connected with the right side of the box body 2, the inner oil distribution ring 39 is connected to the left side of the first transition plate 38 in a centering way, the first brake ring 35 is sleeved on the inner oil distribution ring 39, the outer oil distribution ring 30 is fixed on the inner oil distribution ring 39, the right side of the box body 2 is provided with the first protection plate 21, and the first protection plate 21 is provided with the first cover plate 22; the second shaft portion a includes a second turntable bearing 41, a second turntable bearing seat 42, a second torque motor, a second motor seat 44, a second brake ring 45, a second pneumatic clamping system 46, a second connecting ring 47 and a first running pipe 48, the second turntable bearing seat 42 is connected on the left side of the spindle box 1 in a centering manner, an inner ring of the second turntable bearing 41 is fixed on the second turntable bearing seat 42, an outer ring of the second turntable bearing 41 is fixed on the box body 2, the second brake ring 45 is connected on the left side of the second turntable bearing seat 42 in a centering manner, the second pneumatic clamping system 46 is fixed on the box body 2 and is positioned on the outer side of the second brake ring 45, the second motor seat 44 is mounted on the left side of the box body 2 in a centering manner, a stator 431 of the second torque motor is fixed on the second motor seat 44, a rotor 432 of the second torque motor is fixed on the second connecting ring 47, the second connecting ring 47 is sleeved on the second brake ring 45 and is connected with the second brake ring 45 in a centering manner, the left side of the first turntable bearing seat 48 is fixed on the box body 2 and is positioned on the left side of the second spindle box body 2, the second protection plate 24 is mounted on the left side of the second spindle box body 2, the second protection cover plate 24 is mounted on the left side of the second protection plate 24; the C shaft part comprises a third turntable bearing 51, a third torque motor, a third motor seat 53, a third brake ring 54, a third pneumatic clamping system 55, a third connecting ring 56, a transition shaft 57, a transition disc 58, a second transition plate 59 and a second wire pipe 50, wherein an inner ring of the third turntable bearing 51 and the transition shaft 57 are respectively and concentrically connected to the top end of the box body 2, the transition disc 58 is fixed on an outer ring of the third turntable bearing 51, the third pneumatic clamping system 55 is fixed on the inner side of the transition disc 58, the third brake ring 54 is fixed on the outer side of the transition shaft 57, the third pneumatic clamping system 55 is positioned on the outer side of the third brake ring 54, the second transition plate 59 is concentrically connected to the upper side of the transition disc 58, the second transition plate 59 is concentrically connected to the lower side of a stator 521 of the third torque motor, the upper side of the stator 521 is concentrically connected to the third motor seat 53, the third connecting ring 56 is fixedly connected to the lower side of a rotor 522 of the third torque motor, the third connecting ring 56 is fixed on the upper side of the transition shaft 57 to the seal cap 53, the second wire pipe is tightly pressed by a seal cap 532 is fixedly connected to the seal cap 53 of the seal cap 53, and the seal cap 532 is fixedly extends from the top end cap 53 of the second wire pipe is tightly pressed by the seal cap 53, and is fixedly connected to the seal cap 53.
In embodiment 1, a first wire hole 61 is formed on the inner side of the first wire pipe 48, a second wire hole 62 and a third wire hole 63 are formed on the left and right sides of the upper portion of the case 2, a fourth wire hole 64 is formed on the inner side of the transition shaft 57, a fifth wire hole 65 which is communicated with the fourth wire hole 64 is formed on the inner side of the second wire pipe 50, and the first wire hole 61, the second wire hole 62, the third wire hole 63, the fourth wire hole 64 and the fifth wire hole 65 are used for wires and wires of the functional pipe required by the electric spindle 11; the cable is routed through the first routing hole 61, the second routing hole 62, the fourth routing hole 64 and the fifth routing hole 65; the side wall of the first brake ring 35 is provided with a first functional hole path 71, the side wall of the inner oil distribution ring 39 is provided with a second functional hole path 72, a third functional hole path 73 and a fourth functional hole path 74, the first transition plate 38 is provided with a fifth functional hole path 75, the first functional hole path 71, the second functional hole path 72, the third functional hole path 73, the fourth functional hole path 74 and the fifth functional hole path 75 are sequentially communicated, a pipe joint 76 is arranged at the outlet of the fifth functional hole path 75, and a functional pipe is connected to the pipe joint 76 and sequentially passes through the third wiring hole 63, the fourth wiring hole 64 and the fifth wiring hole 65.
In the present invention, the first pneumatic clamping system 36, the second pneumatic clamping system 46 and the third pneumatic clamping system 55 are all conventional. In embodiment 1, the first pneumatic clamping system 36, the second pneumatic clamping system 46 and the third pneumatic clamping system 55 are all outsourcing parts, and are respectively provided with a spring skin cavity inside, and when the cylinder body outside the spring skin cavity is inflated and pressurized, the spring skin cavity is stretched, so that the holding function is realized.
The difference between the double-pendulum direct-drive AC pendulum head of embodiment 2 and embodiment 1 is that in embodiment 2, the right side of the inner oil distribution ring 39 is centrally connected with an a-axis encoder 81, an encoder shaft 82 is penetrated in the a-axis encoder 81, the encoder shaft 82 penetrates the inner oil distribution ring 39 to be centrally connected with the right side of the headstock 1, the right side of the a-axis encoder 81 is provided with an encoder protection cover 83, and the encoder protection cover 83 is fixed on the first cover plate 22; the connecting sleeve 9 is fixed on the lower side of the upper end cover 531, the connecting sleeve 9 is located on the outer side of the second wiring pipe 50, the encoder mounting seat 91 is fixed on the lower side of the connecting sleeve 9, the C-axis encoder 92 is mounted on the encoder mounting seat 91, and the C-axis encoder 92 is connected on the outer side of the second wiring pipe 50 in a centering mode.
In the first a-axis part of the AC swing head, the spindle box 1, the first turntable bearing seat 32 and the first brake ring 35 are connected into a whole to form a rotating link, and can rotate through the first turntable bearing 31; the box body 2, the first motor seat 34, the stator 331 of the first torque motor, the first transition plate 38, the inner oil distributing ring 39 and the outer oil distributing ring 30 form a stationary link; the rotor 332 of the first torque motor and the first connecting ring 37 form a power link, and the torque output by the first torque motor is transmitted to a rotating link to drive the spindle box 1, the first turntable bearing seat 32 and the first brake ring 35 to rotate around the axis A; the first pneumatic clamping system 36 and the first brake ring 35 form a brake link, and a brake moment is applied to the first brake ring 35 through a brake function of the first pneumatic clamping system 36 to drive the rotating link to realize a brake action. Similar to the first a-axis part, indexing power of the second a-axis part is provided by the second torque motor rotor, transferred to the second brake ring 45 via the second coupling ring 47, and transferred to the headstock 1 via the second turntable bearing mount 42.
The AC swing head is characterized in that the housing 2, the a-axis portion, the transition shaft 57, the third brake ring 54, the second wiring pipe 50, the third connection ring 56, and the stator 521 of the third torque motor are rotatable about the C-axis through the third turntable bearing 51, and the third pneumatic clamping system 55 applies a brake torque to the third brake ring 54 through a self-contained brake function, thereby realizing a C-axis brake operation.
The A axis and the C axis of the AC swing head are driven by a torque motor, and the main shaft adopts an electric main shaft 11, so that the whole structure is compact. The A shaft part of the AC swing head comprises a first A shaft part and a second A shaft part which are coaxially arranged in the box body 2, namely, the A shaft part is designed in a bilateral symmetry way, and the eccentricity of the whole structure is low, so that the transposition of the C shaft is smoother.
Claims (7)
1. The utility model provides a double pendulum directly drives formula AC balance head, includes headstock, electric main shaft, box, A axle part and C axle part, the central line of A axle part with the central line of electric main shaft perpendicular, the central line of C axle part with the central line coincidence of electric main shaft, electric main shaft vertically install in the headstock, A axle part including coaxial setting in first A axle part and the second A axle part in the box, first A axle part with the second A axle part set up respectively in the both sides of headstock, C axle part set up the upside of box, its characterized in that: the first shaft part A comprises a first turntable bearing, a first turntable bearing seat, a first torque motor, a first motor seat, a first brake ring, a first pneumatic clamping system, a first connecting ring, a first transition plate, an inner oil ring and an outer oil ring, wherein the first turntable bearing seat is connected to the right side of the main shaft box in a centering way, the left end of the first brake ring is fixed to the main shaft box, the first turntable bearing seat, the first pneumatic clamping system, the first connecting ring and the outer oil ring are sequentially sleeved on the first brake ring from left to right, the first brake ring is connected with the first turntable bearing seat in a centering way, the first pneumatic clamping system is fixed to the box body, the inner ring of the first turntable bearing is fixed to the first turntable bearing seat, the first motor seat is mounted on the right side of the box body, the first connecting ring of the first motor is fixed to the first flange plate, the first brake ring is connected to the first transition plate in a centering way, the first brake ring is connected to the first flange plate in a centering way, the first flange of the first rotor is connected to the first flange of the first transition plate is fixed to the inner ring, and the first flange of the first flange is connected to the first flange of the first flange; the second A shaft part comprises a second rotary table bearing, a second rotary table bearing seat, a second torque motor, a second motor seat, a second brake ring, a second pneumatic clamping system, a second connecting ring and a first wiring pipe, wherein the second rotary table bearing seat is connected to the left side of the main shaft box in a centering way; the C shaft part comprises a third turntable bearing, a third torque motor, a third motor seat, a third brake ring, a third pneumatic clamping system, a third connecting ring, a transition shaft, a transition disc, a second transition plate and a second wire pipe, wherein the inner ring of the third turntable bearing and the transition shaft are respectively and centrally connected to the top end of the box body, the transition disc is fixed on the outer ring of the third turntable bearing, the third pneumatic clamping system is fixed on the inner side of the transition disc, the third brake ring is fixed on the outer side of the transition shaft, the third pneumatic clamping system is positioned on the outer side of the third brake ring, the second transition plate is centrally connected to the upper side of the transition disc, the second transition plate is centrally connected with the lower side of the stator of the third torque motor, the upper side of the stator of the third torque motor is fixedly connected with the third seat, the third connecting ring is fixedly connected with the upper end cover of the third wire pipe, and the upper end cover of the third connecting shaft is fixedly connected with the lower side of the rotor of the third connecting ring.
2. A double pendulum direct drive AC pendulum according to claim 1, wherein: the right side centering of interior oil ring be connected with A axle encoder, A axle encoder in wear to be equipped with the encoder axle, the encoder axle pass interior oil ring with the right side centering of headstock be connected, the right side of A axle encoder be provided with the encoder safety cover, the encoder safety cover fix on the first apron.
3. A double pendulum direct drive AC pendulum according to claim 1, wherein: the lower side of upper end cover be fixed with the adapter sleeve, the adapter sleeve be located the outside of second walk the spool, the downside of adapter sleeve be fixed with the encoder mount pad, the encoder mount pad on install the C axle encoder, the C axle encoder centering connect in the outside of second walk the spool.
4. A double pendulum direct drive AC pendulum according to claim 1, wherein: the inner side of the upper end cover is connected with a sealing cover in a centering manner, a deep groove ball bearing is arranged between the sealing cover and the second wiring pipe, the outer ring of the deep groove ball bearing is pressed by a pressing plate, and the pressing plate is fixed on the sealing cover.
5. A double pendulum direct drive AC pendulum according to claim 1, wherein: the inner side of the first wiring pipe is provided with a first wiring hole, the left side and the right side of the upper part of the box body are respectively provided with a second wiring hole and a third wiring hole, the inner side of the transition shaft is provided with a fourth wiring hole, the inner side of the second wiring pipe is provided with a fifth wiring hole communicated with the fourth wiring hole, and the first wiring hole, the second wiring hole, the third wiring hole, the fourth wiring hole and the fifth wiring hole are used for wiring cables and functional pipes required by the electric spindle.
6. The double pendulum direct drive AC pendulum according to claim 5, wherein: the cable is routed through the first routing hole, the second routing hole, the fourth routing hole and the fifth routing hole in sequence; the side wall of the first brake ring is provided with a first functional hole path, the side wall of the inner oil distribution ring is provided with a second functional hole path, a third functional hole path and a fourth functional hole path, the first transition plate is provided with a fifth functional hole path, the first functional hole path, the second functional hole path, the third functional hole path, the fourth functional hole path and the fifth functional hole path are sequentially communicated, a pipe joint is installed at the outlet of the fifth functional hole path, a functional pipe is connected to the pipe joint, and the functional pipe passes through the third wiring hole, the fourth wiring hole and the fifth wiring hole in sequence.
7. A double pendulum direct drive AC pendulum according to claim 1, wherein: the box body is made of aviation aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862716.0A CN108772714B (en) | 2018-08-01 | 2018-08-01 | Double-pendulum direct-drive type AC pendulum head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109513976A (en) * | 2018-12-24 | 2019-03-26 | 吴行飞 | A/C axis double-pendulum milling head based on the driving of internal rotor torque motor |
| CN109648375A (en) * | 2018-12-27 | 2019-04-19 | 四川普什宁江机床有限公司 | A kind of oscillating spindle of multi-motor driving |
| 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 |
| CN112427974A (en) * | 2020-11-18 | 2021-03-02 | 珠海格力智能装备有限公司 | Swing head structure |
| CN117564307B (en) * | 2024-01-19 | 2024-04-05 | 山东豪迈数控机床有限公司 | Main shaft pipeline connection structure and lathe |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5584621A (en) * | 1995-06-13 | 1996-12-17 | Bertsche Engineering Corp. | Direct drive multiple axes rotary spindle head for milling machine |
| JP2006026835A (en) * | 2004-07-20 | 2006-02-02 | Heian Corp | Five-axis working device |
| 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 |
| WO2013056467A1 (en) * | 2011-10-21 | 2013-04-25 | 机械科学研究总院先进制造技术研究中心 | Dual-swing head and five-axis motion system having the dual-swing head |
| CN203426457U (en) * | 2013-08-20 | 2014-02-12 | 苏州江源精密机械有限公司 | Mechanical A/C axis linkage double-pendulum cutter head |
| CN104191299A (en) * | 2014-08-26 | 2014-12-10 | 江西佳时特数控技术有限公司 | Bi-rotary milling head directly driven by torque motors |
| CN204700579U (en) * | 2015-06-23 | 2015-10-14 | 山东永华机械有限公司 | Direct drive of torque motor formula AC yaw |
| CN206536271U (en) * | 2017-03-15 | 2017-10-03 | 佛山职业技术学院 | A kind of direct drive of torque motor formula AC Double swing heads |
| CN206795366U (en) * | 2017-06-13 | 2017-12-26 | 宁波海天精工股份有限公司 | A kind of full-automatic AC Double swing heads |
| CN206839611U (en) * | 2017-06-13 | 2018-01-05 | 宁波海天精工股份有限公司 | A kind of A axle auxiliary support mechanisms of AC Double swing heads |
| CN207077239U (en) * | 2017-07-05 | 2018-03-09 | 宁波海天精工股份有限公司 | A kind of sleeping plus A yaws of torque motor driving |
| CN207077240U (en) * | 2017-07-05 | 2018-03-09 | 宁波海天精工股份有限公司 | A kind of sleeping plus A yaws of linkage processing |
| CN208628879U (en) * | 2018-08-01 | 2019-03-22 | 宁波海天精工股份有限公司 | A kind of double pendulum direct-drive type AC yaw |
-
2018
- 2018-08-01 CN CN201810862716.0A patent/CN108772714B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5584621A (en) * | 1995-06-13 | 1996-12-17 | Bertsche Engineering Corp. | Direct drive multiple axes rotary spindle head for milling machine |
| JP2006026835A (en) * | 2004-07-20 | 2006-02-02 | Heian Corp | Five-axis working device |
| 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 |
| WO2013056467A1 (en) * | 2011-10-21 | 2013-04-25 | 机械科学研究总院先进制造技术研究中心 | Dual-swing head and five-axis motion system having the dual-swing head |
| CN203426457U (en) * | 2013-08-20 | 2014-02-12 | 苏州江源精密机械有限公司 | Mechanical A/C axis linkage double-pendulum cutter head |
| CN104191299A (en) * | 2014-08-26 | 2014-12-10 | 江西佳时特数控技术有限公司 | Bi-rotary milling head directly driven by torque motors |
| CN204700579U (en) * | 2015-06-23 | 2015-10-14 | 山东永华机械有限公司 | Direct drive of torque motor formula AC yaw |
| CN206536271U (en) * | 2017-03-15 | 2017-10-03 | 佛山职业技术学院 | A kind of direct drive of torque motor formula AC Double swing heads |
| CN206795366U (en) * | 2017-06-13 | 2017-12-26 | 宁波海天精工股份有限公司 | A kind of full-automatic AC Double swing heads |
| CN206839611U (en) * | 2017-06-13 | 2018-01-05 | 宁波海天精工股份有限公司 | A kind of A axle auxiliary support mechanisms of AC Double swing heads |
| CN207077239U (en) * | 2017-07-05 | 2018-03-09 | 宁波海天精工股份有限公司 | A kind of sleeping plus A yaws of torque motor driving |
| CN207077240U (en) * | 2017-07-05 | 2018-03-09 | 宁波海天精工股份有限公司 | A kind of sleeping plus A yaws of linkage processing |
| CN208628879U (en) * | 2018-08-01 | 2019-03-22 | 宁波海天精工股份有限公司 | A kind of double pendulum direct-drive type AC yaw |
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