CN114770194B - Equipment and method for mirror image milling of grid features on outer side of large rotary conical thin-walled part - Google Patents

Equipment and method for mirror image milling of grid features on outer side of large rotary conical thin-walled part Download PDF

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Publication number
CN114770194B
CN114770194B CN202210592894.2A CN202210592894A CN114770194B CN 114770194 B CN114770194 B CN 114770194B CN 202210592894 A CN202210592894 A CN 202210592894A CN 114770194 B CN114770194 B CN 114770194B
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China
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machining
support
processing
driving
supporting
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CN114770194A (en
Inventor
刘辛军
解增辉
谢福贵
温杰
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Tsinghua University
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Tsinghua University
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/02—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • 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
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/012—Portals
    • 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
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/017—Arrangements of ways
    • 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
    • B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
    • B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
    • B23Q1/54—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only
    • B23Q1/545—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only comprising spherical surfaces
    • B23Q1/5462—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only comprising spherical surfaces with one supplementary sliding pair
    • 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
    • B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
    • B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
    • B23Q1/60—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism
    • 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
    • B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
    • B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
    • B23Q15/013—Control or regulation of feed movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
    • 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
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/306664—Milling including means to infeed rotary cutter toward work
    • Y10T409/307672—Angularly adjustable cutter head
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/309576—Machine frame

Abstract

The invention discloses a large-scale rotary conical thin-wall part outside grid characteristic mirror image milling device and a method, wherein the large-scale rotary conical thin-wall part outside grid characteristic mirror image milling device comprises: an annular base; the annular rotary table is rotatably arranged on the annular base; the machining positioning assembly comprises a machining base, a machining radial movable platform, a machining inclined movable platform and a machining parallel positioning device; the processing device is arranged on the processing parallel positioning device; the support positioning assembly comprises a support base, a support inclined movable platform and a support parallel positioning device; the support piece is arranged on the support parallel positioning device. The large-scale rotary conical thin-wall part outer grid characteristic mirror image milling equipment has the advantages of being strong in adaptability, high in operation flexibility, high in processing precision and the like.

Description

Equipment and method for mirror image milling of grid features on outer side of large rotary conical thin-walled part
Technical Field
The invention relates to the technical field of large spacecraft part machining, in particular to large rotary conical thin-wall part outer grid characteristic mirror image milling equipment and a control method of the large rotary conical thin-wall part outer grid characteristic mirror image milling equipment.
Background
High-end manufacturing industries, represented by aviation and aerospace, represent the core competitiveness and great demands of national science and technology. The large-scale rotary conical thin-wall structural member is an end cover or a bottom cover of a carrier rocket fuel storage tank, a spacecraft cabin body and the like, and the parts have the characteristics of large size, weak rigidity and complex processing characteristic molded surface, and provide a serious challenge for the performance of basic processing equipment in the aspects of operation complexity, quality consistency, processing efficiency, precision and the like.
The processing of the large-scale rotary conical thin-wall part in the related technology adopts a large-scale special machine tool for processing, the resource conflict phenomenon happens sometimes, the development progress of model tasks is seriously influenced, the part has thin-wall characteristics, the workpiece is easy to deform in the processing process, and the processing precision is difficult to guarantee.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the large-scale rotary conical thin-wall part outside grid characteristic mirror image milling equipment which has the advantages of strong adaptability, high operation flexibility, high processing precision and the like.
The invention further provides a control method of the large-scale rotary conical thin-wall piece outer grid characteristic mirror image milling equipment.
To achieve the above object, an embodiment according to a first aspect of the present invention provides a large-scale rotary cone-like thin-walled member outside grid feature mirror image milling apparatus including: an annular base; the annular rotary table is rotatably arranged on the annular base, is suitable for being provided with a part to be processed and is suitable for driving the part to be processed to rotate together; the machining positioning assembly comprises a machining base, a machining radial moving platform, a machining inclined moving platform and a machining parallel positioning device, wherein the machining base is arranged on the radial outer side of the annular rotary table, a machining radial track oriented along the radial direction of the annular rotary table is arranged on the machining base, the machining radial moving platform is slidably arranged on the machining radial track, the machining inclined platform is arranged on the machining radial moving platform, a machining inclined track extending obliquely from outside to inside to top along the radial direction of the annular rotary table is arranged on the machining inclined platform, the machining inclined moving platform is slidably arranged on the machining inclined track, and the machining parallel positioning device is arranged on the machining inclined moving platform; the processing device is arranged on the processing parallel positioning device; the support positioning assembly comprises a support base, a support inclined movable platform and a support parallel positioning device, wherein the support base is arranged on the radial inner side of the annular turntable, a support inclined track which extends obliquely from outside to inside to top along the radial direction of the annular turntable is arranged on the support base, the support inclined movable platform is slidably arranged on the support inclined track, and the support parallel positioning device is arranged on the support inclined movable platform; and the support piece is arranged on the support parallel positioning device.
According to the embodiment of the invention, the large-scale rotary conical thin-wall part outer grid characteristic mirror image milling equipment has the advantages of strong adaptability, high operation flexibility, high processing precision and the like.
In addition, the large-scale rotary conical thin-wall piece outer grid characteristic mirror image milling equipment according to the embodiment of the invention can also have the following additional technical characteristics:
according to one embodiment of the invention, the machining positioning assembly further comprises a machining radial driving device for driving the machining radial moving platform and a machining inclined driving device for driving the machining inclined moving platform, the supporting positioning assembly further comprises a supporting inclined driving device for driving the supporting inclined moving platform, and the annular base is provided with a turntable driving device for driving the annular turntable.
According to one embodiment of the invention, the machining radial driving device comprises a machining radial driving screw rod and a machining radial driving motor, wherein the machining radial driving motor is arranged on the machining base, the machining radial driving screw rod is in transmission connection with the machining radial driving motor, and the machining radial driving screw rod is in threaded fit with a nut of the machining radial moving platform; the machining tilting driving device comprises a machining tilting driving screw rod and a machining tilting driving motor, wherein the machining tilting driving motor is arranged on the machining tilting platform, the machining tilting driving screw rod is in transmission connection with the machining tilting driving motor, and the machining tilting driving screw rod is in threaded fit with a nut of the machining tilting moving platform; the support tilt driving device comprises a support tilt driving screw rod and a support tilt driving motor, the support tilt driving motor is arranged on the support base, the support tilt driving screw rod is in transmission connection with the support tilt driving motor, and the support tilt driving screw rod is in threaded fit with a nut of the support tilt moving platform; the rotary table driving device comprises a rotary table motor, a gear and a gear ring, wherein the gear ring is arranged on the annular base, the rotary table motor is arranged on the annular rotary table, and the gear is in transmission connection with the rotary table motor and meshed with the gear ring.
According to one embodiment of the invention, the machining parallel positioning device comprises a machining parallel positioning bracket and a plurality of machining branched chains, wherein the machining branched chains are respectively connected with the machining parallel positioning bracket and the machining device, and the machining parallel positioning bracket is connected with the machining inclined movable platform; the support parallel positioning device comprises a support parallel positioning bracket and a plurality of support branched chains, wherein the support branched chains are respectively connected with the support parallel positioning bracket and the support piece, and the support parallel positioning bracket is connected with the support tilting platform.
According to one embodiment of the invention, the processing branched chain comprises a processing hollow motor and a processing ball screw, the processing hollow motor is in transmission connection with the processing ball screw and drives the processing ball screw to rotate along a central axis and move axially through the rotation of the processing hollow motor, the processing hollow motor is connected with the processing parallel positioning bracket through a first processing hinge, the processing ball screw is connected with the processing device through a second processing hinge, the number of the processing branched chain is five, four of the five second processing hinges are double revolute pair hinges and one is a single revolute pair hinge, and the five first processing hinges are double revolute pair hinges; or the processing branched chain comprises a processing branched chain track, a processing branched chain sliding block, a processing branched chain connecting rod and a processing branched chain motor, wherein the processing branched chain track is connected with the processing parallel positioning bracket, the processing branched chain sliding block is slidably arranged on the processing branched chain track, the processing branched chain motor is in transmission connection with the processing branched chain sliding block, one end of the processing branched chain connecting rod is connected with the processing branched chain sliding block through a first processing hinge, and the other end of the processing branched chain connecting rod is connected with the processing device through a second processing hinge; or the processing branched chain comprises a processing electric cylinder, a processing telescopic rod and a processing telescopic motor, wherein the processing telescopic rod is movably arranged in the processing electric cylinder along the axial direction, the processing telescopic motor is arranged on the processing electric cylinder and is in transmission connection with the processing telescopic rod, the processing electric cylinder is connected with the processing parallel positioning bracket through a first processing hinge, and the processing telescopic rod is connected with the processing device through a second processing hinge.
According to one embodiment of the invention, the supporting branched chain comprises a supporting hollow motor and a supporting ball screw, the supporting hollow motor is in transmission connection with the supporting ball screw and drives the supporting ball screw to rotate along a central axis and move axially through the rotation of the supporting hollow motor, the supporting hollow motor is connected with the supporting parallel positioning bracket through a first supporting hinge, the supporting ball screw is connected with the supporting piece through a second supporting hinge, the number of the supporting branched chains is three, the first supporting hinges are all single revolute pair hinges, the second supporting hinges are all double revolute pair hinges, or the number of the supporting branched chains is five, four of the five second supporting hinges are double revolute pair hinges, one of the two second supporting hinges is a single revolute pair hinge, and the five first supporting hinges are all double revolute pair hinges; or the supporting branched chain comprises a supporting branched chain track, a supporting branched chain sliding block, a supporting branched chain connecting rod and a supporting branched chain motor, wherein the supporting branched chain track is connected with the supporting parallel positioning bracket, the supporting branched chain sliding block is slidably arranged on the supporting branched chain track, the supporting branched chain motor is in transmission connection with the supporting branched chain sliding block, one end of the supporting branched chain connecting rod is connected with the supporting branched chain sliding block through a first supporting hinge, the other end of the supporting branched chain connecting rod is connected with the supporting piece through a second supporting hinge, the number of the supporting branched chain is three, the number of the first supporting hinges is three, and the number of the second supporting hinges is three; or the support branched chain comprises a support electric cylinder, a support telescopic rod and a support telescopic motor, wherein the support telescopic rod is movably arranged in the support electric cylinder along the axial direction, the support telescopic motor is arranged on the support electric cylinder and is in transmission connection with the support telescopic rod, the support electric cylinder is connected with the support parallel positioning support through a first support hinge, and the support telescopic rod is connected with the support piece through a second support hinge.
According to one embodiment of the invention, the support inclined moving platform is provided with a support chord direction track extending along the chord direction of the annular turntable, the support chord direction track is slidably matched with the support chord direction moving platform, the support parallel positioning device is arranged on the support chord direction moving platform, the support inclined moving platform is provided with a support chord direction driving device for driving the support chord direction moving platform, the support chord direction driving device comprises a support chord direction driving motor and a support chord direction driving screw rod, the support chord direction driving motor is arranged on the support inclined moving platform, the support chord direction driving screw rod is in transmission connection with the support chord direction driving motor, and the support chord direction driving screw rod is in threaded fit with a nut of the support chord direction moving platform.
According to one embodiment of the invention, the machining vertical track oriented along the vertical direction is arranged on the machining radial moving platform, the machining vertical moving platform is slidably matched with the machining vertical moving platform, the machining inclined platform is arranged on the machining vertical moving platform, the machining radial moving platform is provided with the machining vertical driving device for driving the machining vertical moving platform, the machining vertical driving device comprises a machining vertical driving motor and a machining vertical driving screw rod, the machining vertical driving motor is arranged on the machining radial moving platform, the machining vertical driving screw rod is in transmission connection with the machining vertical driving motor, and the machining vertical driving screw rod is in threaded fit with a nut of the machining vertical moving platform.
According to one embodiment of the invention, the processing tilting platform is arranged on the processing vertical moving platform in a reversible manner, the rotation axis of the processing tilting platform is perpendicular to the radial direction of the annular turntable, a turnover driving device for driving the processing tilting platform to turn is arranged on the processing vertical moving platform, the turnover driving device comprises a turnover driving motor, a turnover driving screw rod and a turnover driving nut, the turnover driving motor is arranged on the processing vertical moving platform in a reversible manner, the turnover driving screw rod is in transmission connection with the turnover driving motor and is in threaded fit with the turnover driving nut, and the turnover driving nut is arranged on the processing tilting platform in a reversible manner.
An embodiment according to a second aspect of the present invention provides a control method for a large-scale rotary conical thin-walled part outer grid feature mirror milling device according to the embodiment of the first aspect of the present invention, including the following steps:
s1, mounting the part to be processed on the annular rotary table;
s2, driving the processing device through the processing positioning assembly, and positioning the processing device at the grid feature to be processed of the part to be processed;
S3, driving the supporting piece through the supporting and positioning assembly to position the supporting piece at a position coincident with the axis of the processing device;
s4, driving the processing device to complete processing of the grid features through the processing parallel positioning device, driving the supporting piece to be always attached to the inner surface of the part to be processed through the supporting and positioning assembly, and keeping the axis of the supporting piece coincident with the axis of the processing device;
s5, driving the machining device to retract through the machining positioning assembly, and driving the supporting piece to retract through the supporting positioning assembly;
s6, driving the machining device to move along the bus of the part to be machined by driving the machining inclined moving platform, and positioning the machining device at another grid feature in the bus direction of the part to be machined;
s7, repeating the steps S4-S6 until the processing of all grid features in the bus direction is completed;
s8, rotating the annular turntable, and repeating the steps S4-S6 until the processing of all grid features on the next bus is completed;
s9, repeating the step S8 until the processing of all grid features on the part to be processed is completed.
According to the control method of the large-scale rotary conical thin-wall part outer grid characteristic mirror image milling equipment, the large-scale rotary conical thin-wall part outer grid characteristic mirror image milling equipment according to the first aspect of the invention is utilized, and the control method has the advantages of being strong in adaptability, high in operation flexibility, high in processing precision and the like.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of a large-scale rotary cone-like thin-walled member outside grid feature mirror milling apparatus according to one embodiment of the present invention.
Fig. 2 is a schematic structural view of a large-scale rotary conical thin-walled member outside grid characteristic mirror milling device according to another embodiment of the present invention.
FIG. 3 is a schematic diagram of a tooling positioning assembly of a large-scale rotary cone-like thin-walled part outside grid feature mirror milling tooling according to one embodiment of the present invention.
Fig. 4 is a schematic structural view of a machining positioning assembly of a large-scale rotary conical thin-walled part outer grid characteristic mirror image milling device according to another embodiment of the invention.
Fig. 5 is a schematic structural view of a parallel processing positioning device of a processing positioning assembly of a large-scale rotary conical thin-walled piece outer grid characteristic mirror image milling device according to an embodiment of the invention.
Fig. 6 is a schematic structural view of a machining branched chain of a machining parallel positioning device of a machining positioning assembly of a large-scale rotary conical thin-wall part outer grid characteristic mirror image milling equipment according to an embodiment of the invention.
FIG. 7 is a schematic structural view of an annular base and an annular turntable of the large rotary conical thin-walled member outside grid characteristic mirror milling equipment according to an embodiment of the present invention.
FIG. 8 is a schematic structural view of a support positioning assembly of a large-scale rotary cone-like thin-walled member outside grid feature mirror milling apparatus in accordance with one embodiment of the present invention.
FIG. 9 is a schematic structural view of a support positioning assembly of a large-scale rotary cone-like thin-walled member outside grid feature mirror milling apparatus according to another embodiment of the present invention.
FIG. 10 is a schematic structural view of a support positioning assembly of a large-scale rotary cone-like thin-walled member outside grid feature mirror milling apparatus according to another embodiment of the present invention.
FIG. 11 is a schematic structural view of a support shunt positioning device of a support positioning assembly of a large-scale rotary cone-like thin-walled part outside grid feature mirror image milling equipment according to an embodiment of the present invention.
Fig. 12 is a schematic structural view of a parallel support positioning device of a support positioning assembly of a large-scale rotary conical thin-walled part outside grid characteristic mirror image milling equipment according to another embodiment of the present invention.
Fig. 13 is a schematic structural view of a parallel support positioning device of a support positioning assembly of a large-scale rotary conical thin-walled part outside grid characteristic mirror image milling equipment according to another embodiment of the present invention.
FIG. 14 is a flow chart of a method of controlling a large rotary cone-like thin-walled member outboard grid feature mirror milling apparatus in accordance with an embodiment of the present invention.
Reference numerals: the large-scale rotary conical thin-walled part outer side grid characteristic mirror milling equipment 1, an annular base 100, a gear ring 110, an annular rotary table 200, a rotary table motor 210, a gear 220, a machining positioning assembly 300, a machining base 310, a machining radial track 311, a machining radial driving motor 312, a machining radial driving screw 313, a machining radial moving platform 320, a machining vertical track 321, a machining vertical driving motor 322, a machining vertical driving screw 323, a machining inclined platform 330, a machining inclined track 331, a machining inclined driving motor 332, a machining inclined moving platform 340, a machining parallel positioning device 350, a machining parallel positioning bracket 351, a machining branched chain 352, a machining hollow motor 3521, a machining ball screw 3522, a first machining hinge 353, a second machining hinge 354, a machining vertical moving platform 360, a turning driving motor 371, a turning driving screw 372, a machining device 400, a supporting positioning assembly 500, a supporting base 510, a supporting inclined track 511, a supporting inclined moving platform 520, a supporting chordwise track 521, a supporting chordwise moving platform 530, a supporting parallel positioning device 540, a supporting parallel positioning bracket 541, a supporting branched chain 542, a supporting branched chain 5421, a supporting branched chain slide 5422, a supporting branched chain 5423, a supporting branched chain connecting rod 5423, a supporting ball connecting rod 24, a supporting part 25, a hollow hinge supporting part 610, a hollow part 600, a supporting part 600.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The following describes a large-scale rotary conical thin-walled member outside grid characteristic mirror image milling equipment 1 according to an embodiment of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 14, the large-scale rotary cone-like thin-walled member outer grid feature mirror image milling equipment 1 according to the embodiment of the present invention includes an annular base 100, an annular turntable 200, a machining positioning assembly 300, a machining device 400, a support positioning assembly 500, and a support 600.
The annular turntable 200 is rotatably arranged on the annular base 100, the annular turntable 200 is suitable for arranging the part 2 to be processed, and the annular turntable 200 is suitable for driving the part 2 to be processed to rotate together.
The machining positioning assembly 300 comprises a machining base 310, a machining radial moving platform 320, a machining inclined platform 330, a machining inclined moving platform 340 and a machining parallel positioning device 350, wherein the machining base 310 is arranged on the radial outer side of the annular turntable 200, a machining radial track 311 oriented along the radial direction of the annular turntable 200 is arranged on the machining base 310, the machining radial moving platform 320 is slidably arranged on the machining radial track 311, the machining inclined platform 330 is arranged on the machining radial moving platform 320, a machining inclined track 331 extending obliquely upwards from the outer side to the inner side along the radial direction of the annular turntable 200 is arranged on the machining inclined platform 330, the machining inclined moving platform 340 is slidably arranged on the machining inclined track 331, and the machining parallel positioning device 350 is arranged on the machining inclined moving platform 340.
The machining device 400 is mounted on the machining parallel positioning device 350.
The support positioning assembly 500 comprises a support base 510, a support inclined movable platform 520 and a support parallel positioning device 540, wherein the support base 510 is arranged on the radial inner side of the annular turntable 200, a support inclined track 511 which extends obliquely from outside to inside to top along the radial direction of the annular turntable 200 is arranged on the support base 510, the support inclined movable platform 520 is slidably arranged on the support inclined track 511, and the support parallel positioning device 540 is arranged on the support inclined movable platform 520.
The support 600 is mounted on the support shunt positioning device 540.
According to the large-scale rotary conical thin-wall part outer grid characteristic mirror image milling equipment 1, the part to be processed 2 can be driven to rotate through rotation of the annular turntable 200 on the annular base 100, so that the position of a bus to be processed of the part to be processed 2 is adjusted to the position of the processing device 400. By the radial movement of the machining radial moving table 320, the position of the machining device 400 in the radial direction of the part 2 to be machined can be adjusted. By the tilting movement of the machining tilting platform 340, the position of the machining device 400 on the busbar of the part 2 to be machined can be adjusted. Fine position adjustment of the machining device 400 in multiple degrees of freedom can be achieved by machining the parallel positioning device 350. By supporting the tilting movement of the tilting platform 520, the position of the support 600 on the bus of the part 2 to be machined can be adjusted. Fine adjustment of the support 600 in multiple degrees of freedom may be achieved by supporting the parallel positioning device 540.
Therefore, the axis of the supporting piece 600 and the axis of the processing device 400 can be kept coincident in the processing process of the processing device 400, so that the supporting piece 600 is used for keeping the processing position of the processing device 400, and the deformation of the part 2 to be processed with thin-wall characteristics is avoided.
And, through utilizing the parallelly connected positioner of multiaxis to realize the location to processingequipment 400 and support 600, compare the mode of processing in the correlation technique, large-scale gyration class toper thin wall spare outside grid characteristic mirror image mills processing equipment 1 and has higher working space and environmental suitability, has improved the flexibility of processing operation, is convenient for realize the whole normal position processing of large-scale complicated component, is convenient for guarantee machining precision, can alleviate the resource conflict moreover.
In addition, through setting up annular base 100 and annular revolving stage 200, can be suitable for setting up the gyration type part on annular revolving stage 200 to make the processing of large-scale gyration type toper thin-walled part outside grid characteristic mirror image milling equipment 1 can be applicable to the processing to gyration type part, drive the part of waiting to process through the rotation of annular revolving stage 200 moreover, can rotate the part to the position that needs processing fast, need not whole removal processing positioner 300 and support positioner 500, be convenient for improve the machining efficiency of large-scale gyration type toper thin-walled part outside grid characteristic mirror image milling equipment 1.
Therefore, the large-scale rotary conical thin-wall part outer grid characteristic mirror image milling equipment 1 has the advantages of being high in adaptability, high in operation flexibility, high in processing precision and the like.
The following describes a large-scale rotary conical thin-walled member outside grid characteristic mirror image milling equipment 1 according to a specific embodiment of the present invention with reference to the accompanying drawings.
In some embodiments of the present invention, as shown in fig. 1-14, a large-scale rotary cone-like thin-walled member outside grid feature mirror image milling apparatus 1 according to an embodiment of the present invention includes an annular base 100, an annular turntable 200, a machining positioning assembly 300, a machining device 400, a support positioning assembly 500, and a support 600.
Specifically, as shown in fig. 1 to 4 and 7, the machining positioning assembly 300 further includes a machining radial driving device for driving the machining radial moving platform 320, a machining tilting driving device for driving the machining tilting moving platform 340, and the support positioning assembly 500 further includes a support tilting driving device for driving the support tilting moving platform 520, and the annular base 100 is provided with a turntable driving device for driving the annular turntable 200. This can facilitate driving of the machining radial moving stage 320, the machining tilting moving stage 340, the supporting tilting moving stage 520, and the ring-shaped turntable 200, and precise control of the positions of the machining device 400, the supporting member 600, and the part 2 to be machined.
More specifically, as shown in fig. 1-4, the radial driving device includes a radial driving screw 313 and a radial driving motor 312, the radial driving motor 312 is mounted on the processing base 310, the radial driving screw 313 is in driving connection with the radial driving motor 312, and the radial driving screw 313 is in threaded engagement with a nut of the radial moving platform 320.
The machining tilting drive device comprises a machining tilting drive screw and a machining tilting drive motor 332, the machining tilting drive motor 332 is installed on the machining tilting platform 330, the machining tilting drive screw is in transmission connection with the machining tilting drive motor 332, and the machining tilting drive screw is in threaded fit with a nut of the machining tilting movable platform 340.
The support tilt driving device comprises a support tilt driving screw and a support tilt driving motor, the support tilt driving motor is mounted on the support base 510, the support tilt driving screw is in transmission connection with the support tilt driving motor, and the support tilt driving screw is in threaded fit with a nut of the support tilt moving platform 520.
In this way, the motor can drive the screw rod to rotate through the threaded fit of the screw rod and the nut of the movable platform to convert the rotation of the screw rod into the movement of the movable platform in the axial direction of the screw rod, so that the radial movable platform 320, the inclined movable platform 340 and the inclined movable platform 520 are driven.
As shown in fig. 7, the turntable driving device includes a turntable motor 210, a gear 220 and a gear ring 110, the gear ring 110 is provided on the annular base 100, the turntable motor 210 is provided on the annular turntable 200, and the gear 220 is in driving connection with the turntable motor 210 and is meshed with the gear ring 110. Specifically, the turntable motor 210 may be plural and disposed at intervals along the circumferential direction of the ring-shaped turntable 200, and the gear 220 may be plural and in driving connection with the plural turntable motors 210 in one-to-one correspondence. In this way, the gear 220 and the gear ring 110 can be meshed to convert the rotation of the motor driving gear 220 into the rotation of the gear ring 110, thereby realizing the driving of the annular turntable 200.
Advantageously, as shown in fig. 1-6, the tooling shunt positioning device 350 includes a tooling shunt positioning bracket 351 and a plurality of tooling branches 352, the tooling branches 352 being respectively connected to the tooling shunt positioning bracket 351 and the tooling device 400, the tooling shunt positioning bracket 351 being connected to the tooling tilt platform 340. Specifically, the parallel positioning device 350 is processed as a five-axis parallel positioning device. In other words, the processing branches 352 are five. To ensure positioning flexibility and accuracy of the processing apparatus 400.
As shown in fig. 8 to 13, the support parallel positioning device 540 includes a support parallel positioning bracket 541 and a plurality of support branches 542, the support branches 542 are respectively connected to the support parallel positioning bracket 541 and the support 600, and the support parallel positioning bracket 541 is connected to the support tilt platform 520. Specifically, the support parallel positioning device 540 is a three-axis parallel positioning device or a five-axis parallel positioning device. In other words, the support branches 542 are three or five.
This allows for multiple branches to be connected using a bracket, facilitating multi-axis parallel positioning of the processing device 400 and the support 600.
In some embodiments, as shown in fig. 1-6, the machining branched chain 352 comprises a machining hollow motor 3521 and a machining ball screw 3522, the machining hollow motor 3521 is in transmission connection with the machining ball screw 3522, and the machining ball screw 3522 is driven to rotate along a central axis and axially move by the rotation of the machining hollow motor 3521, the machining hollow motor 3521 is connected with the machining parallel locating support 351 through a first machining hinge 353, and the machining ball screw 3522 is connected with the machining device 400 through a second machining hinge 354.
In other embodiments, the processing branch includes processing branch track, processing branch slider, processing branch connecting rod and processing slider motor, processing branch track with processing parallel locating support links to each other, processing branch slider slidably establishes on the processing branch track, processing slider motor with processing branch slider transmission is connected, one end of processing branch connecting rod through first processing hinge with processing branch slider links to each other and the other end through second processing hinge with processingequipment links to each other. Specifically, the processing sliding block motor can be in transmission connection with the processing branched chain sliding block through a screw rod in threaded fit with the processing branched chain sliding block.
In other embodiments, the processing branched chain comprises a processing electric cylinder, a processing telescopic rod and a processing telescopic motor, wherein the processing telescopic rod is movably arranged in the processing electric cylinder along the axial direction, the processing telescopic motor is arranged on the processing electric cylinder and is in transmission connection with the processing telescopic rod, the processing electric cylinder is connected with the processing parallel positioning bracket through a first processing hinge, and the processing telescopic rod is connected with the processing device through a second processing hinge.
This allows multi-axis driving of the machining device 400.
Specifically, the first machined hinge 353 and the second machined hinge 354 may be a single revolute pair hinge, a double revolute pair hinge or a ball hinge according to actual needs.
It is preferred here that the tooling parallel positioning device 350 includes a tooling parallel positioning bracket 351 and five tooling branches 352 and that the tooling branches 352 include a tooling ball screw 3522 and a tooling hollow motor 3521. Four of the five second tooling hinges 354 are dual revolute pair hinges and one is a single revolute pair hinge, and the five first tooling hinges 353 are dual revolute pair hinges.
In some embodiments, as shown in fig. 9, 10, 12 and 13, the support branched chain 542 includes a support hollow motor 5424 and a support ball screw 5425, the support hollow motor 5424 is in transmission connection with the support ball screw 5425 and drives the support ball screw 5425 to rotate along the central axis and move axially by the rotation of the support hollow motor 5424, the support hollow motor 5424 is connected with the support parallel positioning bracket 541 by a first support hinge 543, and the support ball screw 5425 is connected with the support 600 by a second support hinge 544. Specifically, in some embodiments, as shown in fig. 9 and 12, the support branches 542 may be three, the first support hinges 543 are each single revolute pair hinges, and the second support hinges 544 are each double revolute pair hinges. In other embodiments, as shown in fig. 10 and 13, the support branches 542 may be five, the five first support hinges 543 are each a double revolute pair hinge, four of the five second support hinges 544 are double revolute pair hinges and one is a single revolute pair hinge.
In other embodiments, as shown in fig. 8 and 11, the support branch 542 includes a support branch rail 5421, a support branch slider 5422, a support branch link 5423, and a support slider motor, the support branch rail 5421 is connected to the support parallel positioning bracket 541, the support branch slider 5422 is slidably disposed on the support branch rail 5421, the support slider motor is in driving connection with the support branch slider 5422, one end of the support branch link 5423 is connected to the support branch slider 5422 through a first support hinge 543, and the other end is connected to the support 600 through a second support hinge 544. Specifically, the supporting slide motor may be in driving connection with the supporting branched slide 5422 through a screw in threaded engagement with the supporting branched slide 5422. Specifically, the support branches 542 are three, the three first support hinges 543 are single revolute pair hinges, and the three second support hinges 544 are ball hinges.
In other embodiments, the support branch comprises a support electric cylinder, a support telescopic rod and a support telescopic motor, wherein the support telescopic rod is movably arranged in the support electric cylinder along the axial direction, the support telescopic motor is arranged on the support electric cylinder and is in transmission connection with the support telescopic rod, the support electric cylinder is connected with the support parallel positioning bracket through a first support hinge, and the support telescopic rod is connected with the support piece through a second support hinge.
This allows for multi-axis actuation of the support 600.
Specifically, the first support hinge 543 and the second support hinge 544 may be a single revolute pair hinge, a double revolute pair hinge, or a ball hinge according to actual needs.
Fig. 8 and 9 illustrate a large rotary cone-like thin-walled part outside grid feature mirror milling apparatus 1 according to some examples of the invention. As shown in fig. 8 and 9, a support chord direction rail 521 extending along the chord direction of the annular turntable 200 is arranged on the support tilt moving platform 520, a support chord direction moving platform 530 is slidably matched on the support chord direction rail 521, a support parallel positioning device 540 is arranged on the support chord direction moving platform 530, a support chord direction driving device for driving the support chord direction moving platform 530 is arranged on the support tilt moving platform 520, the support chord direction driving device comprises a support chord direction driving motor and a support chord direction driving screw rod, the support chord direction driving motor is arranged on the support tilt moving platform 520, the support chord direction driving screw rod is in transmission connection with the support chord direction driving motor, and the support chord direction driving screw rod is in threaded fit with a nut of the support chord direction moving platform 530. In this way, the support 600 can be driven to move along the chord direction of the part 2 to be processed by utilizing the movement of the support chord direction moving platform 530, so that the freedom degree of the position adjustment of the support 600 is further improved.
Fig. 2 and 4 illustrate a large rotary cone-like thin-walled part outside grid feature mirror milling apparatus 1 according to some examples of the invention. As shown in fig. 2 and 4, a processing vertical track 321 oriented along a vertical direction is arranged on the processing radial moving platform 320, a processing vertical moving platform 360 is slidably matched on the processing vertical track 321, a processing inclined platform 330 is arranged on the processing vertical moving platform 360, a processing vertical driving device for driving the processing vertical moving platform 360 is arranged on the processing radial moving platform 320, the processing vertical driving device comprises a processing vertical driving motor 322 and a processing vertical driving screw 323, the processing vertical driving motor 322 is arranged on the processing radial moving platform 320, the processing vertical driving screw 323 is in transmission connection with the processing vertical driving motor 322, and the processing vertical driving screw 323 is in threaded fit with a nut of the processing vertical moving platform 360. Therefore, the machining device 400 can be driven to move along the vertical direction by the movement of the machining vertical movable platform 360, and the degree of freedom of position adjustment of the machining device 400 is further improved.
Specifically, as shown in fig. 2 and 4, the processing tilting platform 330 may be disposed on the processing vertical moving platform 360 in a reversible manner, and the rotation axis is perpendicular to the radial direction of the annular turntable 200, the processing vertical moving platform 360 is provided with a turning driving device for driving the processing tilting platform 330 to turn over, the turning driving device includes a turning driving motor 371, a turning driving screw 372 and a turning driving nut, the turning driving motor 371 may be disposed on the processing vertical moving platform 360 in a reversible manner, the turning driving screw 372 is in transmission connection with the turning driving motor 371 and is in threaded engagement with the turning driving nut, and the turning driving nut may be disposed on the processing tilting platform 330 in a reversible manner. Therefore, the inclination angle of the processing inclined platform 330 can be adjusted by turning the processing inclined platform 330, so that the angle of the processing inclined platform 330 is more easily matched with the bus of the part 2 to be processed, and the position adjustment degree of freedom of the processing device 400 is further improved.
Specifically, the support 600 may have a plurality of support protrusions.
The control method of the large-scale rotary conical thin-walled part outer grid characteristic mirror image milling equipment 1 according to the embodiment of the invention is described below, and comprises the following steps:
s1, mounting the part to be processed on the annular rotary table;
s2, driving the processing device through the processing positioning assembly, and positioning the processing device at the grid feature to be processed of the part to be processed;
s3, driving the supporting piece through the supporting and positioning assembly to position the supporting piece at a position coincident with the axis of the processing device;
s4, driving the processing device to complete processing of the grid features through the processing parallel positioning device, driving the supporting piece to be always attached to the inner surface of the part to be processed through the supporting and positioning assembly, and keeping the axis of the supporting piece coincident with the axis of the processing device;
s5, driving the machining device to retract through the machining positioning assembly, and driving the supporting piece to retract through the supporting positioning assembly;
s6, driving the machining device to move along the bus of the part to be machined by driving the machining inclined moving platform, and positioning the machining device at another grid feature in the bus direction of the part to be machined;
S7, repeating the steps S4-S6 until the processing of all grid features in the bus direction is completed;
s8, rotating the annular turntable, and repeating the steps S4-S6 until the processing of all grid features on the next bus is completed;
s9, repeating the step S8 until the processing of all grid features on the part to be processed is completed.
According to the control method of the large-scale rotary conical thin-wall part outer grid characteristic mirror image milling equipment 1, the large-scale rotary conical thin-wall part outer grid characteristic mirror image milling equipment 1 has the advantages of being strong in adaptability, high in operation flexibility, high in processing precision and the like.
Other configurations and operations of the large rotary cone-like thin-walled member outboard grid feature mirror milling apparatus 1 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a large-scale gyration class toper thin wall spare outside net characteristic mirror image milling equipment which characterized in that includes:
an annular base;
the annular rotary table is rotatably arranged on the annular base, is suitable for being provided with a part to be processed and is suitable for driving the part to be processed to rotate together;
the machining positioning assembly comprises a machining base, a machining radial moving platform, a machining inclined moving platform and a machining parallel positioning device, wherein the machining base is arranged on the radial outer side of the annular rotary table, a machining radial track oriented along the radial direction of the annular rotary table is arranged on the machining base, the machining radial moving platform is slidably arranged on the machining radial track, the machining inclined platform is arranged on the machining radial moving platform, a machining inclined track extending obliquely from outside to inside to top along the radial direction of the annular rotary table is arranged on the machining inclined platform, the machining inclined moving platform is slidably arranged on the machining inclined track, and the machining parallel positioning device is arranged on the machining inclined moving platform;
The processing device is arranged on the processing parallel positioning device;
the support positioning assembly comprises a support base, a support inclined movable platform and a support parallel positioning device, wherein the support base is arranged on the radial inner side of the annular turntable, a support inclined track which extends obliquely from outside to inside to top along the radial direction of the annular turntable is arranged on the support base, the support inclined movable platform is slidably arranged on the support inclined track, and the support parallel positioning device is arranged on the support inclined movable platform;
and the support piece is arranged on the support parallel positioning device.
2. The large-scale rotary conical thin-walled part outer grid feature mirror image milling equipment according to claim 1, wherein the machining positioning assembly further comprises a machining radial driving device for driving the machining radial moving platform and a machining inclined driving device for driving the machining inclined moving platform, the support positioning assembly further comprises a support inclined driving device for driving the support inclined moving platform, and the annular base is provided with a rotary table driving device for driving the annular rotary table.
3. The large-scale rotary conical thin-walled part outer grid characteristic mirror image milling equipment according to claim 2, wherein the machining radial driving device comprises a machining radial driving screw rod and a machining radial driving motor, the machining radial driving motor is arranged on the machining base, the machining radial driving screw rod is in transmission connection with the machining radial driving motor, and the machining radial driving screw rod is in threaded fit with a nut of the machining radial moving platform;
the machining tilting driving device comprises a machining tilting driving screw rod and a machining tilting driving motor, wherein the machining tilting driving motor is arranged on the machining tilting platform, the machining tilting driving screw rod is in transmission connection with the machining tilting driving motor, and the machining tilting driving screw rod is in threaded fit with a nut of the machining tilting moving platform;
the support tilt driving device comprises a support tilt driving screw rod and a support tilt driving motor, the support tilt driving motor is arranged on the support base, the support tilt driving screw rod is in transmission connection with the support tilt driving motor, and the support tilt driving screw rod is in threaded fit with a nut of the support tilt moving platform;
The rotary table driving device comprises a rotary table motor, a gear and a gear ring, wherein the gear ring is arranged on the annular base, the rotary table motor is arranged on the annular rotary table, and the gear is in transmission connection with the rotary table motor and meshed with the gear ring.
4. The large-scale rotary conical thin-walled part outer grid characteristic mirror image milling equipment according to claim 1, wherein the machining parallel positioning device comprises a machining parallel positioning bracket and a plurality of machining branched chains, wherein the machining branched chains are respectively connected with the machining parallel positioning bracket and the machining device, and the machining parallel positioning bracket is connected with the machining inclined movable platform;
the support parallel positioning device comprises a support parallel positioning bracket and a plurality of support branched chains, wherein the support branched chains are respectively connected with the support parallel positioning bracket and the support piece, and the support parallel positioning bracket is connected with the support tilting platform.
5. The large-scale rotary conical thin-walled part outer grid characteristic mirror image milling equipment according to claim 4, wherein the machining branched chain comprises a machining hollow motor and a machining ball screw, the machining hollow motor is in transmission connection with the machining ball screw and drives the machining ball screw to rotate along a central axis and move axially through rotation of the machining hollow motor, the machining hollow motor is connected with the machining parallel positioning support through a first machining hinge, the machining ball screw is connected with the machining device through a second machining hinge, the number of the machining branched chain is five, four of the five second machining hinges are double revolute pair hinges and one of the two second machining hinges is a single revolute pair hinge, and the five first machining hinges are double revolute pair hinges;
Or the processing branched chain comprises a processing branched chain track, a processing branched chain sliding block, a processing branched chain connecting rod and a processing branched chain motor, wherein the processing branched chain track is connected with the processing parallel positioning bracket, the processing branched chain sliding block is slidably arranged on the processing branched chain track, the processing branched chain motor is in transmission connection with the processing branched chain sliding block, one end of the processing branched chain connecting rod is connected with the processing branched chain sliding block through a first processing hinge, and the other end of the processing branched chain connecting rod is connected with the processing device through a second processing hinge;
or the processing branched chain comprises a processing electric cylinder, a processing telescopic rod and a processing telescopic motor, wherein the processing telescopic rod is movably arranged in the processing electric cylinder along the axial direction, the processing telescopic motor is arranged on the processing electric cylinder and is in transmission connection with the processing telescopic rod, the processing electric cylinder is connected with the processing parallel positioning bracket through a first processing hinge, and the processing telescopic rod is connected with the processing device through a second processing hinge.
6. The large-scale rotary tapered thin-wall piece outer grid feature mirror milling equipment according to claim 4, wherein the supporting branched chains comprise supporting hollow motors and supporting ball screws, the supporting hollow motors are in transmission connection with the supporting ball screws and drive the supporting ball screws to rotate along a central axis and move axially through rotation of the supporting hollow motors, the supporting hollow motors are connected with the supporting parallel positioning brackets through first supporting hinges, the supporting ball screws are connected with the supporting pieces through second supporting hinges, the number of the supporting branched chains is three, the number of the first supporting hinges is five, the number of the second supporting branched chains is five, the number of the second supporting hinges is four, the number of the second supporting branched chains is one, and the number of the first supporting hinges is two.
Or the supporting branched chain comprises a supporting branched chain track, a supporting branched chain sliding block, a supporting branched chain connecting rod and a supporting branched chain motor, wherein the supporting branched chain track is connected with the supporting parallel positioning bracket, the supporting branched chain sliding block is slidably arranged on the supporting branched chain track, the supporting branched chain motor is in transmission connection with the supporting branched chain sliding block, one end of the supporting branched chain connecting rod is connected with the supporting branched chain sliding block through a first supporting hinge, the other end of the supporting branched chain connecting rod is connected with the supporting piece through a second supporting hinge, the number of the supporting branched chain is three, the number of the first supporting hinges is three, and the number of the second supporting hinges is three;
or the support branched chain comprises a support electric cylinder, a support telescopic rod and a support telescopic motor, wherein the support telescopic rod is movably arranged in the support electric cylinder along the axial direction, the support telescopic motor is arranged on the support electric cylinder and is in transmission connection with the support telescopic rod, the support electric cylinder is connected with the support parallel positioning support through a first support hinge, and the support telescopic rod is connected with the support piece through a second support hinge.
7. The large-scale rotary conical thin-wall part outer grid characteristic mirror image milling equipment according to claim 1, wherein a support chord direction track extending along the chord direction of the annular turntable is arranged on the support inclined movable platform, the support chord direction track is slidably matched with a support chord direction movable platform, the support parallel positioning device is arranged on the support chord direction movable platform, a support chord direction driving device for driving the support chord direction movable platform is arranged on the support inclined movable platform, the support chord direction driving device comprises a support chord direction driving motor and a support chord direction driving screw rod, the support chord direction driving motor is arranged on the support inclined movable platform, the support chord direction driving screw rod is in transmission connection with the support chord direction driving motor, and the support chord direction driving screw rod is in threaded fit with a nut of the support chord direction movable platform.
8. The large-scale gyration type conical thin-walled part outside grid characteristic mirror image milling equipment according to claim 1, wherein a machining vertical track oriented along a vertical direction is arranged on the machining radial moving platform, a machining vertical moving platform is slidably matched on the machining vertical track, the machining inclined platform is installed on the machining vertical moving platform, a machining vertical driving device for driving the machining vertical moving platform is arranged on the machining radial moving platform, the machining vertical driving device comprises a machining vertical driving motor and a machining vertical driving screw rod, the machining vertical driving motor is arranged on the machining radial moving platform, the machining vertical driving screw rod is in transmission connection with the machining vertical driving motor, and the machining vertical driving screw rod is in threaded fit with a nut of the machining vertical moving platform.
9. The large-scale rotary conical thin-walled workpiece outer grid characteristic mirror image milling equipment according to claim 8, wherein the machining tilting platform is arranged on the machining vertical moving platform in a reversible manner, the rotation axis of the machining tilting platform is perpendicular to the radial direction of the annular turntable, a turnover driving device for driving the machining tilting platform to turn over is arranged on the machining vertical moving platform, the turnover driving device comprises a turnover driving motor, a turnover driving screw rod and a turnover driving nut, the turnover driving motor is arranged on the machining vertical moving platform in a reversible manner, the turnover driving screw rod is in transmission connection with the turnover driving motor and in threaded fit with the turnover driving nut, and the turnover driving nut is arranged on the machining tilting platform in a reversible manner.
10. A control method of large-scale rotary cone-like thin-walled part outer grid characteristic mirror image milling equipment according to any one of claims 1 to 9, comprising the steps of:
s1, mounting the part to be processed on the annular rotary table;
s2, driving the processing device through the processing positioning assembly, and positioning the processing device at the grid feature to be processed of the part to be processed;
s3, driving the supporting piece through the supporting and positioning assembly to position the supporting piece at a position coincident with the axis of the processing device;
s4, driving the processing device to complete processing of the grid features through the processing parallel positioning device, driving the supporting piece to be always attached to the inner surface of the part to be processed through the supporting and positioning assembly, and keeping the axis of the supporting piece coincident with the axis of the processing device;
s5, driving the machining device to retract through the machining positioning assembly, and driving the supporting piece to retract through the supporting positioning assembly;
s6, driving the machining device to move along the bus of the part to be machined by driving the machining inclined moving platform, and positioning the machining device at another grid feature in the bus direction of the part to be machined;
S7, repeating the steps S4-S6 until the processing of all grid features in the bus direction is completed;
s8, rotating the annular turntable, and repeating the steps S4-S6 until the processing of all grid features on the next bus is completed;
s9, repeating the step S8 until the processing of all grid features on the part to be processed is completed.
CN202210592894.2A 2022-05-27 2022-05-27 Equipment and method for mirror image milling of grid features on outer side of large rotary conical thin-walled part Active CN114770194B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102152132A (en) * 2011-04-29 2011-08-17 上海交通大学 Self-propelled type mechanism for inner wall processing of large barrel
JP2013000845A (en) * 2011-06-17 2013-01-07 Mitsubishi Heavy Ind Ltd Plate workpiece machining method and machined body
CN104001974A (en) * 2014-05-22 2014-08-27 上海交通大学 Parallel-connection rotation-translation decoupling machining equipment for milling large-size thin-wall component
CN104400093A (en) * 2014-11-24 2015-03-11 首都航天机械公司 Multi-head mirror image milling device for cylindrical thin-walled workpiece
CN105772812A (en) * 2016-04-21 2016-07-20 上海航天设备制造总厂 Method for five-axis mirror milling numerical control machining of integrally-formed tank bottom
CN107775065A (en) * 2017-09-29 2018-03-09 天津大学 The coordinated movement of various economic factors synchronisation control means of the wall thickness such as dual robot mirror image milling processing
CN108340167A (en) * 2018-05-11 2018-07-31 清华大学 A kind of overhead system processing unit (plant) based on the full parallel module of portable five degree of freedom
CN108705410A (en) * 2018-04-20 2018-10-26 中国矿业大学 A kind of co-melting robot large optical mirror process unit of multi-parallel
CN110509285A (en) * 2019-07-31 2019-11-29 清华大学 A kind of huge revolving class component movable type machining robot
CN110935921A (en) * 2019-12-26 2020-03-31 山西英领智能科技有限公司 Automatic spherical surface body profiling polishing machine and polishing method
WO2020062431A1 (en) * 2018-09-26 2020-04-02 燕山大学 Symmetrical tri-axial parallel spindle head capable of implementing multi-directional fixed point rotation
CN111922728A (en) * 2020-07-30 2020-11-13 北京九天行歌航天科技有限公司 Vertical in-situ machining system for thin-wall revolving body
WO2022001129A1 (en) * 2020-06-28 2022-01-06 清华大学 Adhesion-type parallel machining robot

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102152132A (en) * 2011-04-29 2011-08-17 上海交通大学 Self-propelled type mechanism for inner wall processing of large barrel
JP2013000845A (en) * 2011-06-17 2013-01-07 Mitsubishi Heavy Ind Ltd Plate workpiece machining method and machined body
CN104001974A (en) * 2014-05-22 2014-08-27 上海交通大学 Parallel-connection rotation-translation decoupling machining equipment for milling large-size thin-wall component
CN104400093A (en) * 2014-11-24 2015-03-11 首都航天机械公司 Multi-head mirror image milling device for cylindrical thin-walled workpiece
CN105772812A (en) * 2016-04-21 2016-07-20 上海航天设备制造总厂 Method for five-axis mirror milling numerical control machining of integrally-formed tank bottom
CN107775065A (en) * 2017-09-29 2018-03-09 天津大学 The coordinated movement of various economic factors synchronisation control means of the wall thickness such as dual robot mirror image milling processing
CN108705410A (en) * 2018-04-20 2018-10-26 中国矿业大学 A kind of co-melting robot large optical mirror process unit of multi-parallel
CN108340167A (en) * 2018-05-11 2018-07-31 清华大学 A kind of overhead system processing unit (plant) based on the full parallel module of portable five degree of freedom
WO2020062431A1 (en) * 2018-09-26 2020-04-02 燕山大学 Symmetrical tri-axial parallel spindle head capable of implementing multi-directional fixed point rotation
CN110509285A (en) * 2019-07-31 2019-11-29 清华大学 A kind of huge revolving class component movable type machining robot
CN110935921A (en) * 2019-12-26 2020-03-31 山西英领智能科技有限公司 Automatic spherical surface body profiling polishing machine and polishing method
WO2022001129A1 (en) * 2020-06-28 2022-01-06 清华大学 Adhesion-type parallel machining robot
CN111922728A (en) * 2020-07-30 2020-11-13 北京九天行歌航天科技有限公司 Vertical in-situ machining system for thin-wall revolving body

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