CN114770194A - Large-scale rotary type conical thin-walled part outer side grid characteristic mirror image milling equipment and method - Google Patents

Large-scale rotary type conical thin-walled part outer side grid characteristic mirror image milling equipment and method Download PDF

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Publication number
CN114770194A
CN114770194A CN202210592894.2A CN202210592894A CN114770194A CN 114770194 A CN114770194 A CN 114770194A CN 202210592894 A CN202210592894 A CN 202210592894A CN 114770194 A CN114770194 A CN 114770194A
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China
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supporting
processing
machining
driving
movable platform
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CN202210592894.2A
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CN114770194B (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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    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)

Abstract

The invention discloses equipment and a method for milling and processing grid characteristic mirror images on the outer side of a large rotary type conical thin-wall part, wherein the equipment for milling and processing the grid characteristic mirror images on the outer side of the large rotary type conical thin-wall part comprises the following steps: an annular base; the annular turntable 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 supporting and positioning assembly comprises a supporting base, a supporting inclined movable platform and a supporting parallel positioning device; and the support piece is arranged on the support parallel positioning device. The mirror image milling equipment for the grid characteristics of the outer side of the large-sized rotary tapered thin-walled part has the advantages of strong adaptability, high operation flexibility, high processing precision and the like.

Description

Large-scale rotary type conical thin-walled part outer side grid characteristic mirror image milling equipment and method
Technical Field
The invention relates to the technical field of large spacecraft part machining, in particular to large rotary type conical thin-wall part outer side grid characteristic mirror image milling equipment and a control method of the large rotary type conical thin-wall part outer side grid characteristic mirror image milling equipment.
Background
The high-end manufacturing industry represented by aviation and aerospace represents the core competitiveness and the great demand of national science and technology. The large-scale rotary conical thin-wall structural member is an end cover or a bottom cover of a fuel storage tank of a carrier rocket, a spacecraft cabin and the like, has the characteristics of large size, weak rigidity and complex processing characteristic profile, and provides a serious challenge for the performance of basic processing equipment in the aspects of operation complexity, quality consistency, processing efficiency, precision and the like.
In the related technology, a large-scale rotary tapered thin-walled part is machined by a large-scale special machine tool, so that resource conflict occurs frequently, the development progress of a model task is seriously influenced, the part has the characteristic of thin wall, the workpiece is easy to deform in the machining process, and the machining precision is difficult to ensure.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides large-scale rotary type conical thin-wall part outer side 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 rotary type conical thin-walled member outer side grid characteristic mirror image milling equipment.
In order to achieve the above object, an embodiment according to a first aspect of the present invention provides a large-scale revolving type tapered thin-walled workpiece outer side grid feature mirror image milling device, where the large-scale revolving type tapered thin-walled workpiece outer side grid feature mirror image milling device includes: an annular base; the annular rotary table is rotatably arranged on the annular base and is suitable for arranging parts to be machined and driving the parts to be machined to rotate together; the processing positioning assembly comprises a processing base, a processing radial movable platform, a processing inclined movable platform and a processing parallel positioning device, wherein the processing base is arranged on the radial outer side of the annular rotary table, a processing radial track oriented along the radial direction of the annular rotary table is arranged on the processing base, the processing radial movable platform is slidably arranged on the processing radial track, the processing inclined platform is arranged on the processing radial movable platform, a processing inclined track extending in an inclined manner from outside to inside upwards along the radial direction of the annular rotary table is arranged on the processing inclined platform, the processing inclined movable platform is slidably arranged on the processing inclined track, and the processing parallel positioning device is arranged on the processing inclined movable platform; the processing device is arranged on the processing parallel positioning device; the supporting and positioning assembly comprises a supporting base, a supporting inclined movable platform and a supporting parallel positioning device, the supporting base is arranged on the radial inner side of the annular rotary table, a supporting inclined track which is inclined and extends upwards from outside to inside along the radial direction of the annular rotary table is arranged on the supporting base, the supporting inclined movable platform can be slidably arranged on the supporting inclined track, and the supporting parallel positioning device is arranged on the supporting inclined movable platform; the support piece is arranged on the support parallel positioning device.
The device for milling and processing the grid characteristic mirror image on the outer side of the large-sized rotary conical thin-walled part has the advantages of strong adaptability, high operation flexibility, high processing precision and the like.
In addition, the mirror image milling equipment for the grid characteristics at the outer side of the large-sized rotary tapered thin-walled part according to the embodiment of the invention can also have the following additional technical characteristics:
according to an embodiment of the present invention, the processing positioning assembly further includes a processing radial driving device for driving the processing radial movable platform, a processing tilt driving device for driving the processing tilt movable platform, the supporting positioning assembly further includes a supporting tilt driving device for driving the supporting tilt movable 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 lead screw and a machining radial driving motor, the machining radial driving motor is installed on the machining base, the machining radial driving lead screw is in transmission connection with the machining radial driving motor, and the machining radial driving lead screw is in threaded fit with a nut of the machining radial movable platform; the machining inclination driving device comprises a machining inclination driving lead screw and a machining inclination driving motor, the machining inclination driving motor is installed on the machining inclination platform, the machining inclination driving lead screw is in transmission connection with the machining inclination driving motor, and the machining inclination driving lead screw is in threaded fit with a nut of the machining inclination movable platform; the supporting and inclining driving device comprises a supporting and inclining driving lead screw and a supporting and inclining driving motor, the supporting and inclining driving motor is installed on the supporting base, the supporting and inclining driving lead screw is in transmission connection with the supporting and inclining driving motor, and the supporting and inclining driving lead screw is in threaded fit with a nut of the supporting and inclining movable 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 is meshed with the gear ring.
According to one embodiment of the invention, the processing parallel positioning device comprises a processing parallel positioning support and a plurality of processing branched chains, the processing branched chains are respectively connected with the processing parallel positioning support and the processing device, and the processing parallel positioning support is connected with the processing inclined movable platform; the supporting parallel positioning device comprises a supporting parallel positioning support and a plurality of supporting branched chains, the supporting branched chains are respectively connected with the supporting parallel positioning support and the supporting piece, and the supporting parallel positioning support is connected with the supporting inclined movable 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 along an axial direction 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 chains is five, four of the five second processing hinges are double-rotating pair hinges, one of the five second processing hinges is a single-rotating pair hinge, and all the five first processing hinges are double-rotating 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 sliding block motor, 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 sliding block 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 branch chain is including processing electronic jar, processing telescopic link and the flexible motor of processing, the processing telescopic link is established along axially movable the processing is electronic in the jar, the flexible motor of processing is established processing is electronic jar go up and with the transmission of processing telescopic link is connected, the processing electronic jar through first processing hinge with the parallelly connected locating support of processing links to each other, the processing telescopic link through the second processing hinge with processingequipment links to each other.
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 first supporting hinges, the supporting ball screw is connected with the supporting piece through second supporting hinges, the number of the supporting branched chains is three, the first supporting hinges are single revolute pair hinges, the second supporting hinges are 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 single revolute pair hinge, and the number of the five first supporting hinges are 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 sliding block 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 sliding block 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 member through a second supporting hinge, the number of the supporting branched chains is three, the first supporting hinges are all single revolute pair hinges, and the number of the second supporting hinges are all ball hinges; or the supporting branch chain comprises a supporting electric cylinder, a supporting telescopic rod and a supporting telescopic motor, the supporting telescopic rod is movably arranged in the supporting electric cylinder along the axial direction, the supporting telescopic motor is arranged on the supporting electric cylinder and is in transmission connection with the supporting telescopic rod, the supporting electric cylinder is connected with the supporting parallel positioning support through a first supporting hinge, and the supporting telescopic rod is connected with the supporting piece through a second supporting hinge.
According to an embodiment of the invention, a support chordwise track extending in a chordwise direction of the annular rotary table is arranged on the support inclined movable platform, the support chordwise track is slidably matched with the support chordwise movable platform, the support parallel positioning device is arranged on the support chordwise movable platform, a support chordwise driving device for driving the support chordwise movable platform is arranged on the support inclined movable platform, the support chordwise driving device comprises a support chordwise driving motor and a support chordwise driving lead screw, the support chordwise driving motor is arranged on the support inclined movable platform, the support chordwise driving lead screw is in transmission connection with the support chordwise driving motor, and the support chordwise driving lead screw is in threaded fit with a nut of the support chordwise movable platform.
According to one embodiment of the invention, a processing vertical track oriented in the vertical direction is arranged on the processing radial movable platform, the processing vertical movable platform is slidably matched on the processing vertical track, the processing inclined platform is installed on the processing vertical movable platform, a processing vertical driving device for driving the processing vertical movable platform is arranged on the processing radial movable platform, the processing vertical driving device comprises a processing vertical driving motor and a processing vertical driving lead screw, the processing vertical driving motor is arranged on the processing radial movable platform, the processing vertical driving lead screw is in transmission connection with the processing vertical driving motor, and the processing vertical driving lead screw is in threaded fit with a nut of the processing vertical movable platform.
According to one embodiment of the invention, the processing inclined platform is arranged on the processing vertical movable platform in a turnable manner, the rotation axis of the processing inclined platform is perpendicular to the radial direction of the annular rotary table, a turning driving device for driving the processing inclined platform to turn is arranged on the processing vertical movable platform, the turning driving device comprises a turning driving motor, a turning driving lead screw and a turning driving nut, the turning driving motor is arranged on the processing vertical movable platform in a turnable manner, the turning driving lead screw is in transmission connection with the turning driving motor and is in threaded fit with the turning driving nut, and the turning driving nut is arranged on the processing inclined platform in a turnable manner.
An embodiment according to a second aspect of the present invention provides a control method for an outside grid feature mirror image milling equipment of a large-scale revolving type tapered thin-walled workpiece according to an embodiment of a first aspect of the present invention, including the following steps:
s1, mounting the part to be machined on the annular rotary table;
s2, driving the machining device through the machining positioning assembly, and positioning the machining device at the grid feature to be machined of the part to be machined;
s3, driving the support through the support positioning assembly to position the support at a position coincident with the axis of the processing device;
s4, driving the machining device to complete machining of one grid feature through the machining parallel positioning device, driving the supporting piece to be always attached to the inner surface of the part to be machined through the supporting and positioning assembly, and keeping the axis of the supporting piece to be coincident with the axis of the machining 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 generatrix of the part to be machined by driving the machining inclined movable platform, and positioning the machining device at another grid feature position in the generatrix 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 rotary table, and repeating the steps S4-S6 until the processing of all grid features on the next bus is completed;
and S9, repeating the step S8 until the machining of all grid features on the part to be machined is completed.
According to the control method of the large-scale rotary type conical thin-wall part outer side grid characteristic mirror image milling equipment, the large-scale rotary type conical thin-wall part outer side grid characteristic mirror image milling equipment is utilized, and the control method has the advantages of being strong in adaptability, high in operation flexibility, high in machining accuracy 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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a large-scale rotary type tapered thin-walled part outer side grid feature mirror image milling device according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of an outside grid feature mirror image milling equipment for a large-scale rotary tapered thin-walled part according to another embodiment of the invention.
Fig. 3 is a schematic structural diagram of a machining positioning assembly of a large-scale rotary conical thin-walled member outer side grid feature mirror image milling device according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a machining positioning assembly of a large-scale rotary conical thin-wall part outer side grid feature mirror image milling device according to another embodiment of the invention.
Fig. 5 is a structural schematic diagram of a parallel processing positioning device of a processing positioning assembly of a large-scale rotary type tapered thin-walled member outer side grid characteristic mirror image milling device according to an embodiment of the invention.
Fig. 6 is a schematic structural diagram of a processing branch chain of a processing parallel positioning device of a processing positioning assembly of a large-scale rotary type conical thin-walled member outer side grid characteristic mirror image milling device according to an embodiment of the invention.
Fig. 7 is a schematic structural diagram of an annular base and an annular turntable of a large-scale rotary tapered thin-walled workpiece outer side grid feature mirror image milling device according to an embodiment of the invention.
Fig. 8 is a structural schematic diagram of a supporting and positioning assembly of a large-scale rotary type tapered thin-walled member outer side grid feature mirror image milling device according to an embodiment of the invention.
FIG. 9 is a schematic structural diagram of a supporting and positioning assembly of large-scale rotary tapered thin-walled part outer side grid feature mirror image milling equipment according to another embodiment of the invention.
FIG. 10 is a schematic structural diagram of a supporting and positioning assembly of a large-scale rotating tapered thin-walled part outer side grid feature mirror image milling device according to another embodiment of the invention.
Fig. 11 is a schematic structural diagram of a supporting parallel positioning device of a supporting positioning assembly of a large-scale rotary conical thin-walled member outer side grid feature mirror image milling device according to an embodiment of the invention.
Fig. 12 is a schematic structural diagram of a supporting parallel positioning device of a supporting positioning assembly of a large-scale rotary conical thin-walled member outer side grid feature mirror image milling device according to another embodiment of the invention.
Fig. 13 is a schematic structural diagram of a supporting parallel positioning device of a supporting positioning assembly of a large-scale rotary conical thin-walled member outer side grid feature mirror image milling device according to another embodiment of the invention.
Fig. 14 is a flowchart of a control method of a large-scale rotary type tapered thin-walled part outer side grid feature mirror image milling device according to an embodiment of the invention.
Reference numerals are as follows: large-scale rotary type tapered thin-walled workpiece outer side grid characteristic mirror image 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 component 300, a machining base 310, a machining radial track 311, a machining radial driving motor 312, a machining radial driving lead screw 313, a machining radial movable platform 320, a machining vertical track 321, a machining vertical driving motor 322, a machining vertical driving lead screw 323, a machining inclined platform 330, a machining inclined track 331, a machining inclined driving motor 332, a machining inclined movable 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 lead screw 3522, a first machining hinge 353, a second machining hinge 354, a machining vertical movable platform 360, a turnover driving motor 371, a turnover driving lead screw 372, a machining device 400, a supporting positioning component 500, a machining vertical driving motor 360, a turnover driving motor 371, a turnover driving motor 353, a turnover driving motor 372, a machining device 400, a support positioning component 500, a rotary table motor and a machining device, The processing device comprises 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 track 5421, a supporting branched chain slider 5422, a supporting branched chain connecting rod 5423, a supporting hollow motor 5424, a supporting ball screw 5425, a first supporting hinge 543, a second supporting hinge 544, a supporting piece 600, a supporting piece hinge 610 and a part to be processed 2.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The following describes a large-scale rotary conical thin-wall part outer side grid feature mirror image milling equipment 1 according to an embodiment of the invention with reference to the accompanying drawings.
As shown in fig. 1 to 14, the mirror image milling equipment 1 for the outer grid features of the large-scale rotary tapered thin-walled workpiece according to the embodiment of the invention comprises an annular base 100, an annular turntable 200, a processing positioning assembly 300, a processing device 400, a supporting positioning assembly 500 and a support 600.
The annular turntable 200 is rotatably disposed on the annular base 100, the annular turntable 200 is adapted to be disposed with the part 2 to be processed, and the annular turntable 200 is adapted to drive the part 2 to be processed to rotate together.
The processing positioning assembly 300 comprises a processing base 310, a processing radial movable platform 320, a processing inclined platform 330, a processing inclined movable platform 340 and a processing parallel positioning device 350, wherein the processing base 310 is arranged on the radial outer side of the annular rotary table 200, a processing radial track 311 oriented along the radial direction of the annular rotary table 200 is arranged on the processing base 310, the processing radial movable platform 320 is arranged on the processing radial track 311 in a sliding manner, the processing inclined platform 330 is arranged on the processing radial movable platform 320, a processing inclined track 331 extending upwards in an inclined manner from the outer side to the inner side along the radial direction of the annular rotary table 200 is arranged on the processing inclined platform 330, the processing inclined movable platform 340 is arranged on the processing inclined track 331 in a sliding manner, and the processing parallel positioning device 350 is arranged on the processing inclined movable platform 340.
The machining device 400 is mounted on the machining parallel positioning device 350.
The supporting and positioning assembly 500 comprises a supporting base 510, a supporting and tilting movable platform 520 and a supporting and parallel positioning device 540, wherein the supporting base 510 is arranged at the radial inner side of the annular rotary table 200, the supporting base 510 is provided with a supporting and tilting track 511 which slants upwards from the outside along the radial direction of the annular rotary table 200, the supporting and tilting movable platform 520 is slidably arranged on the supporting and tilting track 511, and the supporting and parallel positioning device 540 is arranged on the supporting and tilting movable platform 520.
The support 600 is mounted on a support parallel positioning device 540.
According to the mirror image milling equipment 1 for the grid characteristics of the outer side of the large-sized rotary tapered thin-walled part, the part 2 to be processed can be driven to rotate through the rotation of the annular turntable 200 on the annular base 100, so that the position of a bus to be processed of the part 2 to be processed is adjusted to the processing device 400. By the radial movement of the machining radial movement platform 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 generatrix 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 the tilting movement of the support tilting platform 520, the position of the support 600 on the generatrix 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 support 600 and the axis of the processing device 400 are kept coincident in the processing process of the processing device 400, so that the support 600 is used for keeping the processing position of the processing device 400 to be supported, and the part 2 to be processed with thin-wall characteristics is prevented from deforming.
In addition, the machining device 400 and the supporting piece 600 are positioned by utilizing the multi-shaft parallel positioning device, compared with machining modes in the related art, the large-scale rotary type conical thin-wall piece outer side grid characteristic mirror image milling machining device 1 has higher working space and environment adaptability, improves the flexibility of machining operation, facilitates the realization of integral in-situ machining of large-scale complex components, ensures the machining precision and can relieve resource conflict.
In addition, by arranging the annular base 100 and the annular rotary table 200, the device can be suitable for arranging rotary parts on the annular rotary table 200, so that the large rotary conical thin-walled part outer side grid characteristic mirror image milling device 1 can be suitable for processing the rotary parts, the part to be processed is driven by the rotation of the annular rotary table 200, the part can be quickly rotated to a position needing to be processed, the processing positioning device 300 and the supporting positioning device 500 do not need to be integrally moved, and the processing efficiency of the large rotary conical thin-walled part outer side grid characteristic mirror image milling device 1 is improved.
Therefore, the mirror image milling equipment 1 for the grid characteristics of the outer side of the large-sized rotary tapered thin-walled part has the advantages of strong adaptability, high operation flexibility, high processing precision and the like.
The following describes a large-scale rotary conical thin-wall part outside grid feature mirror image milling equipment 1 according to an embodiment of the invention with reference to the accompanying drawings.
In some specific embodiments of the present invention, as shown in fig. 1 to 14, the mirror image milling equipment 1 for the outer grid features of the large-scale revolving-type tapered thin-walled part according to the embodiment of the present invention includes an annular base 100, an annular turntable 200, a processing positioning assembly 300, a processing device 400, a supporting positioning assembly 500 and a support 600.
Specifically, as shown in fig. 1 to 4 and 7, the processing positioning assembly 300 further includes a processing radial driving device for driving the processing radial movable platform 320, a processing tilt driving device for driving the processing tilt movable platform 340, the supporting positioning assembly 500 further includes a supporting tilt driving device for driving the supporting tilt movable platform 520, and the annular base 100 is provided with a turntable driving device for driving the annular turntable 200. This facilitates driving of the machining radial movable table 320, the machining tilting movable table 340, the support tilting movable table 520 and the annular turntable 200, and precise control of the positions of the machining apparatus 400, the support 600 and the part 2 to be machined.
More specifically, as shown in fig. 1 to 4, the machining radial driving device includes a machining radial driving lead screw 313 and a machining radial driving motor 312, the machining radial driving motor 312 is mounted on the machining base 310, the machining radial driving lead screw 313 is in transmission connection with the machining radial driving motor 312, and the machining radial driving lead screw 313 is in threaded fit with a nut of the machining radial movable platform 320.
The machining inclination driving device comprises a machining inclination driving lead screw and a machining inclination driving motor 332, the machining inclination driving motor 332 is installed on the machining inclination platform 330, the machining inclination driving lead screw is in transmission connection with the machining inclination driving motor 332, and the machining inclination driving lead screw is in threaded fit with a nut of the machining inclination movable platform 340.
The supporting and tilting driving device comprises a supporting and tilting driving screw rod and a supporting and tilting driving motor, the supporting and tilting driving motor is installed on a supporting base 510, the supporting and tilting driving screw rod is in transmission connection with the supporting and tilting driving motor, and the supporting and tilting driving screw rod is in threaded fit with a nut of a supporting and tilting movable platform 520.
Therefore, the rotation of the motor driving the screw rod is converted into the movement of the movable platform in the axial direction of the screw rod through the screw thread matching of the screw rod and the nut of the movable platform, so that the radial movable platform 320, the inclined movable platform 340 and the supporting 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 ring gear 110, the ring gear 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 transmission connection with the turntable motor 210 and is engaged with the ring gear 110. Specifically, the turntable motor 210 may be provided in plurality and spaced apart along the circumferential direction of the ring turntable 200, and the gear 220 may be provided in plurality and drivingly connected to the plurality of turntable motors 210 in one-to-one correspondence. Thus, the motor can drive the gear 220 to rotate and convert the rotation of the gear 220 into the rotation of the gear 110 through the meshing of the gear 220 and the gear 110, so as to drive the annular rotary table 200.
Advantageously, as shown in fig. 1 to 6, the processing parallel positioning device 350 includes a processing parallel positioning support 351 and a plurality of processing branches 352, the processing branches 352 are respectively connected with the processing parallel positioning support 351 and the processing device 400, and the processing parallel positioning support 351 is connected with the processing tilting platform 340. Specifically, the parallel positioning device 350 is a five-axis parallel positioning device. In other words, there are five machined branches 352. To ensure positioning flexibility and accuracy of the processing device 400.
As shown in fig. 8 to 13, the supporting parallel positioning device 540 includes a supporting parallel positioning bracket 541 and a plurality of supporting branched chains 542, the supporting branched chains 542 are respectively connected to the supporting parallel positioning bracket 541 and the supporting member 600, and the supporting parallel positioning bracket 541 is connected to the supporting tilt moving platform 520. Specifically, the supporting parallel positioning device 540 is a three-axis parallel positioning device or a five-axis parallel positioning device. In other words, the number of the supporting branches 542 is three or five.
This allows for the use of a bracket to connect multiple branches to facilitate multi-axis parallel positioning of the processing device 400 and support 600.
In some embodiments, as shown in fig. 1-6, the processing branch chain 352 includes a processing hollow motor 3521 and a processing ball screw 3522, the processing hollow motor 3521 is in transmission connection with the processing ball screw 3522 and drives the processing ball screw 3522 to rotate along a central axis and move axially through rotation of the processing hollow motor 3521, the processing hollow motor 3521 is connected with the processing parallel positioning bracket 351 through a first processing hinge 353, and the processing ball screw 3522 is connected with the processing device 400 through a second processing hinge 354.
In other embodiments, the processing branched chain comprises a processing branched chain track, a processing branched chain slider, a processing branched chain connecting rod and a processing slider motor, the processing branched chain track is connected with the processing parallel positioning bracket, the processing branched chain slider is slidably arranged on the processing branched chain track, the processing slider motor is in transmission connection with the processing branched chain slider, one end of the processing branched chain connecting rod is connected with the processing branched chain slider 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. Specifically, the machining slider motor can be in transmission connection with the machining branched chain slider through a lead screw in threaded fit with the machining branched chain slider.
In other embodiments, the processing branched chain comprises a processing electric cylinder, a processing telescopic rod and a processing telescopic motor, 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.
In this way, multi-axis driving of the processing device 400 can be achieved.
Specifically, the first processing hinge 353 and the second processing hinge 354 may be a single-revolute pair hinge, a double-revolute pair hinge, or a ball hinge, according to actual needs.
Here, it is preferable that the machining parallel positioning device 350 includes a machining parallel positioning bracket 351 and five machining branched chains 352 and the machining branched chains 352 include a machining ball screw 3522 and a machining hollow motor 3521. Four of the five second processing hinges 354 are double-revolute pair hinges and one is a single-revolute pair hinge, and the five first processing hinges 353 are all double-revolute pair hinges.
In some embodiments, as shown in fig. 9, 10, 12 and 13, the supporting branch 542 includes a supporting hollow motor 5424 and a supporting ball screw 5425, the supporting hollow motor 5424 is in transmission connection with the supporting ball screw 5425 and drives the supporting ball screw 5425 to rotate along the central axis and move along the axial direction by the rotation of the supporting hollow motor 5424, the supporting hollow motor 5424 is connected with the supporting parallel positioning bracket 541 by a first supporting hinge 543, and the supporting ball screw 5425 is connected with the supporting member 600 by a second supporting hinge 544. Specifically, in some embodiments, as shown in fig. 9 and 12, the number of the supporting branches 542 may be three, the first supporting hinges 543 are all single revolute pair hinges, and the second supporting hinges 544 are all double revolute pair hinges. In other embodiments, as shown in fig. 10 and 13, the number of the supporting branches 542 may be five, each of the five first supporting hinges 543 is a double revolute pair hinge, four of the five second supporting 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 supporting branch 542 includes a supporting branch rail 5421, a supporting branch slider 5422, a supporting branch link 5423, and a supporting slider motor, the supporting branch rail 5421 is connected to the supporting parallel positioning bracket 541, the supporting branch slider 5422 is slidably disposed on the supporting branch rail 5421, the supporting slider motor is in transmission connection with the supporting branch slider 5422, one end of the supporting branch link 5423 is connected to the supporting branch slider 5422 through a first supporting hinge 543, and the other end is connected to the supporting member 600 through a second supporting hinge 544. Specifically, the support slider motor may be in transmission connection with the support branched slider 5422 through a lead screw in threaded fit with the support branched slider 5422. Specifically, there are three supporting branches 542, and all of the three first supporting hinges 543 are single revolute pair hinges and all of the three second supporting hinges 544 are ball hinges.
In other embodiments, the supporting branched chain comprises a supporting electric cylinder, a supporting telescopic rod and a supporting telescopic motor, the supporting telescopic rod is movably arranged in the supporting electric cylinder along the axial direction, the supporting telescopic motor is arranged on the supporting electric cylinder and is in transmission connection with the supporting telescopic rod, the supporting electric cylinder is connected with the supporting parallel positioning bracket through a first supporting hinge, and the supporting telescopic rod is connected with the supporting piece through a second supporting hinge.
This may all enable multi-axis drive 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 show a large rotating conical thin-walled part outside grid feature mirror milling equipment 1 according to some examples of the invention. As shown in fig. 8 and 9, a support chordwise track 521 extending along the chordwise direction of the annular rotary table 200 is arranged on the support inclined moving platform 520, a support chordwise moving platform 530 is slidably matched on the support chordwise track 521, a support parallel positioning device 540 is arranged on the support chordwise moving platform 530, a support chordwise driving device for driving the support chordwise moving platform 530 is arranged on the support inclined moving platform 520, the support chordwise driving device includes a support chordwise driving motor and a support chordwise driving lead screw, the support chordwise driving motor is arranged on the support inclined moving platform 520, the support chordwise driving lead screw is in transmission connection with the support chordwise driving motor, and the support chordwise driving lead screw is in threaded fit with a nut of the support chordwise moving platform 530. Therefore, the support 600 can be driven to move along the chord direction of the part 2 to be processed by the movement of the support chord direction moving platform 530, so that the degree of freedom of position adjustment of the support 600 is further improved.
Fig. 2 and 4 show a mirror image milling equipment 1 for the outside grid features of a large-scale rotary type tapered thin-walled part according to some examples of the invention. As shown in fig. 2 and 4, a processing vertical rail 321 oriented in the vertical direction is arranged on the processing radial movable platform 320, the processing vertical movable platform 360 is slidably matched on the processing vertical rail 321, the processing inclined platform 330 is installed on the processing vertical movable platform 360, a processing vertical driving device for driving the processing vertical movable platform 360 is arranged on the processing radial movable platform 320, the processing vertical driving device comprises a processing vertical driving motor 322 and a processing vertical driving lead screw 323, the processing vertical driving motor 322 is arranged on the processing radial movable platform 320, the processing vertical driving lead screw 323 is in transmission connection with the processing vertical driving motor 322, and the processing vertical driving lead screw 323 is in threaded fit with a nut of the processing vertical movable platform 360. Therefore, the machining device 400 can be driven to move along the vertical direction through 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, processing slope platform 330 can be established with overturning on the vertical platform 360 that moves of processing and axis of rotation perpendicular to annular revolving stage 200's radial, and processing is vertical to be equipped with the upset drive arrangement who is used for driving the upset of processing slope platform 330 on moving platform 360, upset drive arrangement includes upset driving motor 371, upset driving screw 372 and upset driving nut, and upset driving motor 371 can be established with overturning on the vertical platform 360 that moves of processing, upset driving screw 372 with upset driving motor 371 transmission be connected and with upset driving nut screw-thread fit, upset driving nut can be established on processing slope platform 330 with overturning. Therefore, the inclination angle of the processing inclined platform 330 can be adjusted by turning over 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 degree of freedom of position adjustment of the processing device 400 is further improved.
Specifically, the supporter 600 may have a plurality of supporting protrusions.
The following describes a control method of the large-scale rotary type tapered thin-walled part outer side grid characteristic mirror image milling equipment 1 according to the above embodiment of the invention, and the control method comprises the following steps:
s1, mounting the part to be machined on the annular rotary table;
s2, driving the machining device through the machining positioning assembly, and positioning the machining device at the grid feature to be machined of the part to be machined;
s3, driving the support piece through the support positioning component to position the support piece at a position coincident with the axis of the processing device;
s4, driving the machining device to complete machining of one grid feature through the machining parallel positioning device, driving the supporting piece to be always attached to the inner surface of the part to be machined through the supporting and positioning assembly, and keeping the axis of the supporting piece to be coincident with the axis of the machining 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 generatrix of the part to be machined by driving the machining inclined movable platform, and positioning the machining device at another grid feature position in the generatrix 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 rotary table, and repeating the steps S4-S6 until the processing of all grid features on the next bus is completed;
and S9, repeating the step S8 until the machining of all grid features on the part to be machined is completed.
According to the control method of the large-scale rotary type conical thin-wall part outer side grid characteristic mirror image milling equipment 1, the large-scale rotary type conical thin-wall part outer side grid characteristic mirror image milling equipment 1 is utilized, and the control method has the advantages of being strong in adaptability, high in operation flexibility, high in machining accuracy and the like.
Other configurations and operations of the large-scale revolving-type tapered thin-walled member outer side grid feature mirror image milling equipment 1 according to the embodiment of the invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit 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 type toper thin wall spare outside grid characteristic mirror image mills processing and equips which characterized in that includes:
an annular base;
the annular turntable is rotatably arranged on the annular base and is suitable for arranging parts to be machined and driving the parts to be machined to rotate together;
the processing positioning assembly comprises a processing base, a processing radial movable platform, a processing inclined movable platform and a processing parallel positioning device, wherein the processing base is arranged on the radial outer side of the annular rotary table, a processing radial track oriented along the radial direction of the annular rotary table is arranged on the processing base, the processing radial movable platform is slidably arranged on the processing radial track, the processing inclined platform is arranged on the processing radial movable platform, a processing inclined track extending in an upward inclined manner along the radial outer side of the annular rotary table is arranged on the processing inclined platform, the processing inclined movable platform is slidably arranged on the processing inclined track, and the processing parallel positioning device is arranged on the processing inclined movable platform;
the processing device is arranged on the processing parallel positioning device;
the supporting and positioning assembly comprises a supporting base, a supporting inclined movable platform and a supporting parallel positioning device, the supporting base is arranged on the radial inner side of the annular rotary table, a supporting inclined track which is inclined and extends upwards from outside to inside along the radial direction of the annular rotary table is arranged on the supporting base, the supporting inclined movable platform can be arranged on the supporting inclined track in a sliding mode, and the supporting parallel positioning device is arranged on the supporting inclined movable platform;
the support piece is arranged on the support parallel positioning device.
2. The equipment for mirror image milling of the outer side grid characteristics of a large-sized rotary tapered thin-walled part according to claim 1, wherein the machining positioning assembly further comprises a radial machining driving device for driving the radial machining movable platform and a tilt machining driving device for driving the tilt machining movable platform, the supporting positioning assembly further comprises a supporting tilt driving device for driving the supporting tilt movable platform, and the annular base is provided with a turntable driving device for driving the annular turntable.
3. The equipment for mirror image milling of the grid characteristics of the outer side of the large-sized rotary tapered thin-walled part according to claim 2, wherein the machining radial driving device comprises a machining radial driving lead screw and a machining radial driving motor, the machining radial driving motor is mounted on the machining base, the machining radial driving lead screw is in transmission connection with the machining radial driving motor, and the machining radial driving lead screw is in threaded fit with a nut of the machining radial movable platform;
the machining inclination driving device comprises a machining inclination driving lead screw and a machining inclination driving motor, the machining inclination driving motor is installed on the machining inclination platform, the machining inclination driving lead screw is in transmission connection with the machining inclination driving motor, and the machining inclination driving lead screw is in threaded fit with a nut of the machining inclination movable platform;
the supporting and inclining driving device comprises a supporting and inclining driving screw rod and a supporting and inclining driving motor, the supporting and inclining driving motor is installed on the supporting base, the supporting and inclining driving screw rod is in transmission connection with the supporting and inclining driving motor, and the supporting and inclining driving screw rod is in threaded fit with a nut of the supporting and inclining movable 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 is meshed with the gear ring.
4. The equipment for milling the external side grid characteristic mirror image of the large-scale rotary conical thin-walled part according to claim 1, wherein the parallel machining positioning device comprises a parallel machining positioning support and a plurality of machining branched chains, the parallel machining positioning support is connected with the parallel machining positioning support and the machining device respectively, and the parallel machining positioning support is connected with the inclined machining platform;
the supporting parallel positioning device comprises a supporting parallel positioning support and a plurality of supporting branched chains, the supporting branched chains are respectively connected with the supporting parallel positioning support and the supporting piece, and the supporting parallel positioning support is connected with the supporting inclined movable platform.
5. The equipment for machining the external grid characteristic mirror image of the large-scale rotary tapered thin-walled part 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 bracket 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 chains is five, four of the five second machining hinges are double-revolute pair hinges, one of the five second machining hinges is a single-revolute pair hinge, and all 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 sliding block motor, 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 sliding block 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 branch chain comprises a processing electric cylinder, a processing telescopic rod and a processing telescopic motor, 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 connected with the processing telescopic rod in a transmission mode, the processing electric cylinder is connected with the processing parallel locating support through a first processing hinge, and the processing telescopic rod is connected with the processing device through a second processing hinge.
6. The equipment for milling and processing the external grid characteristic mirror image of the large-scale rotary tapered thin-walled part according to claim 4, wherein 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 part through a second supporting hinge, the number of the supporting branched chains is three, the first supporting hinges are single revolute pair hinges, the second supporting hinges are double revolute pair hinges, or the number of the supporting branched chains is five, four of the second supporting hinges are double revolute pair hinges, and one of the second supporting hinges is a single revolute pair hinge, the five first supporting hinges are double-rotating-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 sliding block motor, 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 sliding block 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 chains is three, the number of the first supporting hinges is a single revolute pair hinge, and the number of the second supporting hinges is a ball hinge;
or the supporting branched chain comprises a supporting electric cylinder, a supporting telescopic rod and a supporting telescopic motor, the supporting telescopic rod is movably arranged in the supporting electric cylinder along the axial direction, the supporting telescopic motor is arranged on the supporting electric cylinder and is in transmission connection with the supporting telescopic rod, the supporting electric cylinder is connected with the supporting parallel-connection positioning support through a first supporting hinge, and the supporting telescopic rod is connected with the supporting piece through a second supporting hinge.
7. The large-scale rotary tapered thin-walled part outer side grid characteristic mirror image milling equipment according to claim 1, it is characterized in that the support inclined movable platform is provided with a support chordwise track extending along the chordwise direction of the annular rotary table, the support chordwise track is slidably matched with a support chordwise moving platform, the support parallel positioning device is arranged on the support chordwise moving platform, the support inclined movable platform is provided with a support chord direction driving device for driving the support chord direction movable platform, the support chord direction driving device comprises a support chord direction driving motor and a support chord direction driving lead screw, 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 moving platform.
8. The large-scale rotary tapered thin-walled part outer side grid characteristic mirror image milling equipment according to claim 1, it is characterized in that a processing vertical track oriented along the vertical direction is arranged on the processing radial movable platform, the processing vertical track is slidably matched with a processing vertical movable platform, the processing inclined platform is arranged on the processing vertical movable platform, a processing vertical driving device for driving the processing vertical movable platform is arranged on the processing radial movable platform, the processing vertical driving device comprises a processing vertical driving motor and a processing vertical driving screw rod, the processing vertical driving motor is arranged on the processing radial movable platform, the processing vertical driving screw rod is in transmission connection with the processing vertical driving motor, and the processing vertical driving screw rod is in threaded fit with a nut of the processing vertical movable platform.
9. The equipment for milling the external grid characteristic mirror image of the large-sized rotary tapered thin-walled workpiece according to claim 8, wherein the processing inclined platform is arranged on the processing vertical movable platform in a turnable manner, and the rotation axis of the processing vertical movable platform is perpendicular to the radial direction of the annular rotary table, the processing vertical movable platform is provided with a turning driving device for driving the processing inclined platform to turn over, the turning driving device comprises a turning driving motor, a turning driving lead screw and a turning driving nut, the turning driving motor is arranged on the processing vertical movable platform in a turnable manner, the turning driving lead screw is in transmission connection with the turning driving motor and is in threaded fit with the turning driving nut, and the turning driving nut is arranged on the processing inclined platform in a turnable manner.
10. The control method of the large-scale rotary type tapered thin-walled part outer side grid characteristic mirror image milling equipment according to any one of claims 1 to 9, characterized by comprising the following steps:
s1, mounting the part to be machined on the annular rotary table;
s2, driving the machining device through the machining positioning assembly, and positioning the machining device at the grid feature to be machined of the part to be machined;
s3, driving the support through the support positioning assembly to position the support at a position coincident with the axis of the processing device;
s4, driving the machining device through the machining parallel positioning device to complete machining of one grid feature, driving the supporting piece to be always attached to the inner surface of the part to be machined through the supporting and positioning assembly, and keeping the axis of the supporting piece to be coincident with the axis of the machining 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 inclined movable platform to drive the machining device to move along the generatrix of the part to be machined, and positioning the machining device at another grid feature in the generatrix 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 rotary table, and repeating the steps S4-S6 until the processing of all grid features on the next bus is completed;
and S9, repeating the step S8 until the machining of all grid features on the part to be machined 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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CN202210592894.2A CN114770194B (en) 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

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CN202210592894.2A CN114770194B (en) 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

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