CN103962604A - Hole forming system and method for aircraft equivalent section fuselage arc-shaped rail - Google Patents

Hole forming system and method for aircraft equivalent section fuselage arc-shaped rail Download PDF

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Publication number
CN103962604A
CN103962604A CN201410123510.8A CN201410123510A CN103962604A CN 103962604 A CN103962604 A CN 103962604A CN 201410123510 A CN201410123510 A CN 201410123510A CN 103962604 A CN103962604 A CN 103962604A
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China
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axis
track
arc
fuselage
module
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CN201410123510.8A
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CN103962604B (en
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蒋君侠
黄浦缙
朱伟东
柯映林
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention discloses a hole forming method for an aircraft equivalent section fuselage arc-shaped rail. The method comprises the following steps that (1), a round rail surrounding an aircraft fuselage is erected, and the arc-shaped rail with a hole forming unit is in sliding fit with the round rail; (2), a plurality of work stations are arranged on the round rail, and in each work station, a machining area of the hole forming unit is a fuselage area covered with the arc-shaped rail in the work station; (3), the hole forming unit compresses a workpiece through pressing feet of the hole forming unit, the axis of a tool and the axis of a hole to be machined are adjusted to coincide, the feeding depth of the tool is determined according to pressing foot position information and the depth information of the hole to be machined, and hole punching is completed; (4), the hole forming unit is controlled to slide along the arc-shaped rail, and hole forming of the fuselage area corresponding to each work station is completed; (5), the arc-shaped rail is driven to carry out transversal on all the work stations, the step (3) and the step (4) are repeated in each work station, and hole forming on the whole fuselage is completed. The invention further discloses a hole forming system for the aircraft equivalent section fuselage arc-shaped rail.

Description

A kind of aircraft equivalent section fuselage curved track punching system and method
Technical field
The invention belongs to airplane digital assembly automation drilling field, relate to a kind of aircraft equivalent section fuselage curved track punching system and method.
Background technology
Aircraft assembling is the key link in aircraft manufacturing process, and aircraft rigger accounts for 40%~50% of whole aircraft manufacturing workload as amount, and assembly work amount is mainly taking drilling, counter boring and riveted joint as main.The accurate drilling problem of Large Aircraft Components is all a thorny problem of aviation all the time, goes back so far neither one and be applicable to the solution being entirely satisfactory of various structures parts.
Be assembled into example with large airframe Butt Section, in Butt Section annular region, the enormous amount of machining hole, along with the difficult-to-machine material such as composite, titanium alloy proportion in aircraft construction material significantly rises, drilling workload also increases sharply, and the working space in drilling region also can be restricted in some cases.In the drilling work of fuselage Butt Section annular region, if adopt traditional artificial drilling mode, workman's labour intensity is large, and drilling quality cannot ensure, drilling efficiency is low; If adopt robot hole mode, because aircraft configuration size is large, the constraint of aircraft fuselage structure and frock, makes drilling equipment working space limited, and robot can reach working space cannot cover whole loop system bore regions; If adopt special purpose machine tool drilling mode, machine overall dimension is large, and precision is high, certainly will bring lathe manufacturing cost very high, and therefore lathe drilling mode is also not suitable for.
Under this background, abroad first propose and developed flexible rail automatic punching technology.First Boeing has developed large aircraft flexible rail automatic punching system, has been mainly used in frame sections docking region.This equipment, by being installed on the vacuum cup on guide rail, being directly adsorbed on the equivalent section of aircraft fuselage curved surface and carrying out automatic punching, and the light drilling actuator being installed on guide rail can disposablely complete boring and counter boring function.This equipment is applicable to the surface drilling processing of equivalent section airframe, have lightweight, efficiency is high, flexible and automaticity high, cancel the intervention of large-scale drilling and positioning equipment, reduced the manufacturing cost of aircraft assembling, shortened the drilling cycle.But due to the locate mode that flexible rail adopts vacuum cup and fuselage skin to adsorb, drilling actuator is lightweight, causes entire system rigidity poor, processing stability deficiency.
At present, being linked and packed still taking hand drill riveting as main in China's aircraft assembling process, quality stability is poor, and needs a large amount of tailored version framves that adopt, and cost is high, and drilling efficiency is low, larger with external gap.The present invention is directed to the present situation of China's airframe section drilling and the shortcoming of difficult point and external flexible rail equipment insufficient rigidity, the equivalent section of a kind of aircraft fuselage curved track punching system has been invented in design, arc track punching system positioning precision is high, once mounting can complete the whole drilling tasks in butted part annular region, is particularly suitable for the drilling of join domain in frame sections docking assembling; Meanwhile, device structure is simple, takes up room little, and cost is lower.Comprehensively it seems, arc track punching system has very strong competitiveness and practicality, aspect the drilling of Field of Aviation Manufacturing automatic precision, there iing breakthrough meaning, to promoting China's Aero-Space manufacturing equipment industry automatization level, the progress of accelerating the airplane digital manufacture assembling of promotion China has great significance.
Summary of the invention
The object of the invention is to overcome the technical deficiency in existing frame sections docking assembling process, a kind of aircraft equivalent section fuselage curved track punching system and method are provided, are applicable to the disposable function such as boring, counter boring that completes position, hole of join domain in equivalent section fuselage docking assembling.
Concrete technical scheme of the present invention is as follows:
The equivalent section of a kind of aircraft fuselage curved track method for drilling, comprises the following steps:
1) set up the circuit orbit around airframe, on this circuit orbit, be sliding combined with the arc track with drilling unit;
2) multiple working positions are set on circuit orbit, in each working position, the fuselage regions that the machining area of drilling unit covers at this working position for arc track;
3) the presser feet workpiece pressing that drilling unit by using carries, adjusts the axis of cutter and the dead in line in hole to be processed, and according to presser feet positional information and hole depth information to be processed, determines the feeding depth of cutter, completes punching;
4) control drilling unit and slide along arc track, complete each working position the drilling of corresponding fuselage regions;
5) drive arc track ergodic all working position, in each working position, repeating step 3) and step 4), complete the drilling to whole fuselage.
The equivalent section of a kind of aircraft fuselage curved track punching system, comprise around the home outside airframe and there is the circuit orbit module of multiple working positions, the arc track module of walking on each working position along described circuit orbit module, and be slidably fitted in the automatic punching unit in arc track module, the fuselage regions that the drilling scope of described automatic punching unit covers on each working position for described arc track module;
Described circuit orbit module comprises two circuit orbits, and every circuit orbit is spliced by some circuit orbit assemblies, and described circuit orbit assembly is provided with adjustable for height sucker and adjusts pin towards the side of fuselage;
Described automatic punching unit has the presser feet that compresses fuselage workpiece, and is provided with the displacement transducer of induction presser feet, the feeding depth of the signal of this displacement transducer for determining to fix a cutting tool in automatic punching unit.
The present invention adopts four-shaft numerically controlled driving automatic punching unit, drilling unit can move on arc track, arc track subregion is fixed on the circuit orbit that sectionally smooth join forms, adjusting pin by band vacuum cup is fixed in fuselage cylinder profile, punching system can be realized circumferencial direction subregion automatic punching, and has the function of counter boring.
Circuit orbit module comprises two circuit orbits, and every circuit orbit is made up of 12 sections of circuit orbit assemblies, and every section of circuit orbit assembly comprises: single hop circuit orbit, band vacuum cup are adjusted pin, latch.A circuit orbit is to be spliced successively by latch by 12 single hop circuit orbit assemblies, and the bearing height of adjusting pin with vacuum cup is adjustable, and circuit orbit is adjusted pin by band vacuum cup and adsorbed and be fixed on the equivalent section of aircraft fuselage skin.
Article two, between circuit orbit, be sliding combined with track retainer module, track retainer module comprises the multiple track retainers that connect successively by retainer connecting rod, and this track retainer module and arc track module are around ringwise.On described circuit orbit, the track retainer just right with described arc track module is provided with the balancing weight for automatic punching unit described in balance.
In the present invention, nine track retainers are arranged on circuit orbit by the retainer roller of both sides, be connected and keep corresponding spacing between each track retainer by retainer connecting rod.Track retainer is provided with the balancing weight of certain mass, for the weight of balance automatic punching unit.
Arc track module comprises arc track base and is arranged on the arc-shaped guide rail on arc track base, and the two ends of arc track base are provided with the arc track link that connects described track retainer; On this arc track base, be also provided with the curved track roller sliding along circuit orbit, and for fixing the stay of described arc track module, described arc track base is provided with the arc-shaped rack for guiding automatic punching cell moving.
Arc track module comprises: arc track base, arc-shaped guide rail, arc track link, stay, curved track roller, circle inner rack.Arc track module is connected to form a closed loop entirety by arc track link and the track retainer module at two ends.Arc track module is arranged in circuit orbit module by curved track roller, and can be locked in circuit orbit module by stay.
Described automatic punching unit comprises: the electric main shaft that cutter is housed, for the main shaft supporting plate of electric main shaft is installed, for the middle supporting plate of main shaft supporting plate is installed, the actuator base sliding along arc track module, is slidably fitted in the actuator supporting plate on actuator base; Described middle supporting plate is arranged on actuator supporting plate;
Described automatic punching unit also comprises:
X is to driven unit, make X to moving for actuate actuators base along arc track module, comprise and be arranged on the X-axis gear engaging on actuate actuators base and with arc-shaped rack, drive the X-axis servomotor of X-axis gear, and the base roller coordinating with described arc track module;
Y-direction driven unit, be used for actuate actuators supporting plate at two circuit orbit intercropping Y-direction rectilinear motions, comprise the Y-axis rack guide rail being arranged on actuator base, be positioned at the Y-axis gear engaging on actuator supporting plate and with Y-axis rack guide rail, drive the Y-axis servomotor of Y-axis gear, and be positioned on actuator base and for limiting the Y-axis line slideway of actuator supporting plate motion;
A axle rotary components, for supporting plate in the middle of driving, around the rotation of A axle, described A axle is parallel to Y-direction straight line, and this A axle rotary components comprises the A axle runing rest being arranged on middle supporting plate, is arranged on the A axle servomotor on A axle runing rest by A axle ball screw assembly;
Z-direction driven unit, be used for driving electric main shaft to move along Z axis on main shaft supporting plate, Z axis is perpendicular to described A axle and Y-direction straight line, and described Z-direction driven unit comprises the Z axis servomotor, Z axis Timing Belt, Z axis synchronous pulley, Z axis line slideway and the Z axis ball screw assembly, that are arranged on middle supporting plate.
Described displacement transducer is the presser feet linear grating chi on supporting plate in the middle of being arranged on, and is also provided with feeding linear grating chi, for the position of induced electricity main shaft on described middle supporting plate.
The invention has the advantages that: 1) can meet the particularly frame sections docking area processing request of automatic punching on a large scale of aircraft equivalent section fuselage; 2) can meet the designing requirement of hole site precision, the counter boring degree of depth, surface roughness and aperture size precision; 3) the boring counter boring range of work can cover whole frame sections circumferential zones, and operating efficiency is high.
Brief description of the drawings
Fig. 1 is the overall structure figure of the equivalent section of aircraft fuselage curved track punching system;
Fig. 2 is the structure chart of arc track and automatic punching unit;
Fig. 3 is the structure chart of automatic punching unit;
Fig. 4 is another visual angle structure chart of automatic punching unit;
Label title in Fig. 1: circuit orbit module 1, track retainer module 2, arc track module 3 and automatic punching unit 4, track retainer 5, retainer connecting rod 6, retainer roller 7, balancing weight 8, single hop circuit orbit 9, band vacuum cup are adjusted pin 10, latch 11; X represents that automatic punching unit X-axis direction of rotation, Y represent that automatic punching unit Y-axis linear movement direction, A represent that automatic punching unit A axle direction of rotation, Z represent automatic punching unit Z axis linear movement direction.
Label title in Fig. 2: arc track base 12, arc-shaped guide rail 13, arc track link 14, stay 15, curved track roller 16, circle inner rack 17.
Label title in Fig. 3: actuator base 18, Y-axis rack guide rail 19, actuator supporting plate 20, A spindle nut support 21, A axle ball screw assembly, 22, A axle runing rest 23, A axle servomotor 24, middle supporting plate 25, Z axis servomotor 26, Z axis Timing Belt 27, Z axis synchronous pulley 28, feeding linear grating chi 29, main shaft supporting plate 30, electricity main shaft 31, quick change handle of a knife 32, Z axis guide rail 33, Y-axis servomotor 34, A axle swivel base 35, A axle rotary encoder 36, presser feet 37, Y-axis guide rail 38, base roller 39, X-axis gear 40, X-axis servomotor 41, X-axis synchronous pulley 42, X-axis Timing Belt 43, X-axis connecting rod 44, X-axis decelerator 45, X-axis reduction of speed support 46.
Label title in Fig. 4: presser feet linear grating chi 47, cylinder connection bracket 48, cylinder 49, Y-axis gear 50, Z axis ball screw assembly, 51, cutter 52, presser feet pressure head 53.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The equivalent section of a kind of aircraft fuselage curved track punching system, adopt four-shaft numerically controlled driving automatic punching unit 4, drilling unit can move on arc track, arc track subregion is fixed on the circuit orbit that sectionally smooth join forms, adjusting pin 10 by band vacuum cup is fixed in equivalent section fuselage profile, punching system can be realized circumferencial direction subregion automatic punching, and has the function of counter boring.
Punching system of the present invention comprises: circuit orbit module 1, track retainer module 2, arc track module 3 and automatic punching unit 4.
Circuit orbit module 1 comprises two circuit orbits, and each circuit orbit is made up of 12 sections of circuit orbit assemblies, and every section of circuit orbit assembly comprises: single hop circuit orbit 9, band vacuum cup are adjusted pin 10, latch 11.A circuit orbit is to be spliced successively by latch 11 by 12 single hop circuit orbit assemblies, the bearing height of adjusting pin 10 with vacuum cup is adjustable, makes whole circuit orbit module 1 adapt to the variation of fuselage curvature and is fixed on smoothly on airframe segment type face.Band vacuum cup is adjusted pin 10 use compressed air and is formed negative pressure by vacuum generator, can make circuit orbit be adsorbed on firmly on airframe segment type face.
Track retainer module 2 comprises: track retainer 5, retainer connecting rod 6, retainer roller 7, balancing weight 8.Nine track retainers 5 are arranged on circuit orbit by the retainer roller 7 of both sides, be connected and keep corresponding spacing between each track retainer 5 by retainer connecting rod 6.Track retainer 5 is provided with the balancing weight 8 of certain mass, for the weight of balance automatic punching unit 4.Track retainer module 2, for keeping the isometry of two circuit orbits, strengthens the rigidity of punching system simultaneously, and in the time that circuit orbit is laid, can be used for checking the collimation of track.Balancing weight 8 is used for the weight of balance automatic punching unit 4, is convenient to automatic punching unit 4 along orbital transfer station.
Arc track module 3 comprises: arc track base 12, arc-shaped guide rail 13, arc track link 14, stay 15, curved track roller 16, circle inner rack 17.Arc track module 3 is connected to form a closed loop entirety by the arc track link 14 at two ends with track retainer module 2.Arc track module 3 is arranged in circuit orbit module 1 by curved track roller 16, and can be locked in circuit orbit module 1 by stay 15.In the present embodiment, fixing 1/4th drilling ranges of work that can cover whole circuit orbit of arc track module 3 once mounting, the preparation that equivalent section fuselage institute is porose need at least convert the position of four arc track modules 3.
Automatic punching unit 4 comprises: actuator base 18, Y-axis rack guide rail 19, actuator supporting plate 20, A spindle nut support 21, A axle ball screw assembly, 22, A axle runing rest 23, A axle servomotor 24, middle supporting plate 25, Z axis servomotor 26, Z axis Timing Belt 27, Z axis synchronous pulley 28, feeding linear grating chi 29, main shaft supporting plate 30, electricity main shaft 31, quick change handle of a knife 32, Z axis line slideway 33, Y-axis servomotor 34, A axle swivel base 35, A axle rotary encoder 36, presser feet 37, Y-axis guide rail 38, base roller 39, X-axis gear 40, X-axis servomotor 41, X-axis synchronous pulley 42, X-axis Timing Belt 43, X-axis connecting rod 44, X-axis decelerator 45, X-axis reduction of speed support 46, presser feet linear grating chi 47, cylinder connection bracket 48, cylinder 49, Y-axis gear 50, Z axis ball screw assembly, 51, cutter 52, presser feet pressure head 53.
Automatic punching unit 4 is arranged in arc track module 3 by base roller 39, and can make X to moving along arc-shaped guide rail 13.Y-axis rack guide rail 19, Y-axis guide rail 38, base roller 39, X-axis servomotor 41 and X-axis reduction of speed support 46 are arranged on actuator base 18.X-axis reduction of speed support 46 is provided with X-axis synchronous pulley 42, X-axis Timing Belt 43, X-axis connecting rod 44 and X-axis decelerator 45, X-axis servomotor 41 drives X-axis gear 40 to rotate by X-axis synchronous pulley 42, X-axis Timing Belt 43, X-axis connecting rod 44, engagement by X-axis gear 40 with circle inner rack 17, makes actuator base 18 make X to moving along arc-shaped guide rail 13.Actuator supporting plate 20 is provided with A spindle nut support 21, Y-axis servomotor 34, A axle swivel base 35, Y-axis gear 50 and guide rail slide block, actuator supporting plate 20 is arranged on Y-axis rack guide rail 19 and Y-axis line slideway 38 by guide rail slide block, under Y-axis servomotor 34 drives, promote actuator supporting plate 20 along Y-axis line slideway 38 moving linearlies by Y-axis gear 50 and the engagement of Y-axis rack guide rail 19.A axle runing rest 23, Z axis servomotor 26, Z axis Timing Belt 27, Z axis synchronous pulley 28, feeding linear grating chi 29, main shaft supporting plate 30, Z axis line slideway 33, presser feet linear grating chi 47, cylinder 49 and Z axis ball screw assembly, 51 are arranged on middle supporting plate 25, A axle servomotor 24 is arranged on A spindle nut support 21 by A axle ball screw assembly, 22, A axle ball screw assembly, 22 is connected with A axle runing rest 23, and A axle servomotor 24 drives 22 rotations of A axle ball screw assembly, can make middle supporting plate 25 rotate around A axle.Z axis servomotor 26 drives Z axis ball screw assembly, 51 to rotate by Z axis Timing Belt 27, Z axis synchronous pulley 28, and the electric main shaft 31 that promotes to be arranged on main shaft supporting plate 30 moves along Z axis line slideway 33.Cutter 52 is arranged on electric main shaft 31 by quick change handle of a knife 32.Presser feet 37 is provided with presser feet pressure head 53, and presser feet 37 is connected with cylinder 49 push rods by cylinder connection bracket 48, under the promotion of cylinder 49, can move along Z axis line slideway 33.
Under A axle servomotor 24 drives, by regulating A axle ball screw assembly, 22 to drive A axle runing rest 23 to rotate, thereby realize the adjusting of the A shaft angle degree of cutter 52.A axle rotary encoder 36 is as the position feedback elements of A axle servomotor 24.Feeding linear grating chi 29 and presser feet linear grating chi 47 are all absolute type linear grating chi, the common position feedback elements as Z axis servomotor 26.
Punching system can be realized X-axis, two rectilinear directions of Y-axis, A axle gyratory directions numerical control positioning under each axle driven by servomotor, realizes that cutter (52) is once holed, counter boring Compound Machining by control system control main shaft and Z axis numerical control feeding.
The course of work of the present invention is as follows:
1) circuit orbit module is installed
Circuit orbit is spliced by latch 11 successively by single hop circuit orbit assembly, installs two circuit orbits by same procedure, and circuit orbit is adjusted pin 10 by band vacuum cup and is absorbed and fixed in the cylinder fuselage profile of equivalent section fuselage docking area.Band vacuum cup is adjusted pin 10 use compressed air and is formed negative pressure by vacuum generator, can make circuit orbit be adsorbed on firmly on airframe segment type face.
2) retainer module is installed
Regulate the distance between two circuit orbits, track retainer 5 is arranged on circuit orbit successively by retainer roller 7, between nine track retainers 5, be connected by retainer connecting rod 6, ensure that each track retainer 5 is distributed on circuit orbit, track retainer 5 is for keeping the isometry of two circuit orbits, strengthen the rigidity of punching system simultaneously, and in the time of track laying, can be used for checking the collimation of circuit orbit.
3) arc track module is installed
The drilling machining area of airframe section docking area can be divided into four regions up and down, each region has accounted for 1/4th of whole circuit orbit, the range of work of arc track module 3 can cover a machining area, arc track module 3 is arranged in circuit orbit module 1 by curved track roller 16, be connected with retainer connecting rod 6 by arc track link 14 and make arc track module 3 and track retainer module 2 be connected to become a closed loop entirety, and can rotate freely and regulate the region of arc track module 3 in circuit orbit module 1, when arc track module 3 arrives after corresponding machining area, by stay 15, arc track module 3 is fixedly mounted in circuit orbit module 1.
4) automatic punching unit is installed
Automatic punching unit 4 is arranged on arc-shaped guide rail 13 by base roller 39, and X-axis gear 40 engages with circle inner rack 17.Because automatic punching unit 4 quality are larger, after being arranged in arc track module 3, can produce certain distortion inaccuracy to whole system, in order to reduce to eliminate consequent systematic error, the balancing weight 8 of respective quality is installed on the track retainer 5 of circuit orbit opposite side, be used for the weight of balance automatic punching unit 4, be convenient to automatic punching unit 4 along orbital transfer station simultaneously.
5) main shaft orientation with cutter, cutter drilling and counter boring
Under X-axis servomotor 41 drives, via X-axis synchronous pulley 42 and 43 transmissions of X-axis Timing Belt, drive X-axis bull stick 44 to rotate, the X that realizes automatic punching unit 4 by the rack-and-pinion effect of X-axis is mobile to coming and going.Under Y-axis servomotor 34 drives, Y-axis gear 50 rotates and by rack-and-pinion transmission, actuator supporting plate 20 is moved along Y-axis line slideway 38, realizes the Y-direction of cutter 52 and accurately locates.Under A axle servomotor 24 drives, by regulating A axle ball screw assembly, 22 to drive A axle runing rest 23 to rotate, A axle rotary encoder 36 position feedback elements as A axle servomotor, thus realize the adjusting of the A shaft angle degree of cutter 52.By regulating the pose of X-axis, Y-axis, A axle, make cutter 52 axis and machining hole dead in line.
Gas on cylinder 49, is forced to move downward in the effect lower cylinder connection bracket 48 of air pressure, and presser feet 37 is moved downward along Z axis line slideway 33, realizes the compression of presser feet pressure head 53 to workpiece.Open electric main shaft 31, under Z axis servomotor 26 drives, drive Z axis ball screw assembly, 51 to rotate via Z axis synchronous pulley 28, promote electric main shaft 31 and do feed motion along Z axis line slideway 33, feeding linear grating chi 29 and presser feet linear grating chi 47 are all absolute type linear grating chi, as the position feedback elements of Z axis servomotor 26, the Z-direction height of fine adjustment cutter 52 is until complete drilling counter boring jointly.
Position, hole completes after processing, and electric main shaft 31 is return, and presser feet 37 is return, and closes Z axis servomotor 26, closes electric main shaft 31.
6) complete porose making
Repeating step 5, automatic punching unit 4 moves to position, next hole and completes drilling counter boring.Complete a machining area after the drilling of porose position, unclamp being connected of stay 15 and circuit orbit, arrive next machining area along rotate in a circumferential direction arc track module 3 and track retainer module 2 of circuit orbit, again arc track module 3 is locked, repeat above-mentioned steps, realize the automatic punching of porose of airframe section docking area institute.

Claims (8)

1. the equivalent section of an aircraft fuselage curved track method for drilling, is characterized in that, comprises the following steps:
1) set up the circuit orbit around airframe, on this circuit orbit, be sliding combined with the arc track with drilling unit;
2) multiple working positions are set on circuit orbit, in each working position, the fuselage regions that the machining area of drilling unit covers at this working position for arc track;
3) the presser feet workpiece pressing that drilling unit by using carries, adjusts the axis of cutter and the dead in line in hole to be processed, and according to presser feet positional information and hole depth information to be processed, determines the feeding depth of cutter, completes punching;
4) control drilling unit and slide along arc track, complete each working position the drilling of corresponding fuselage regions;
5) drive arc track ergodic all working position, in each working position, repeating step 3) and step 4), complete the drilling to whole fuselage.
2. the equivalent section of an aircraft fuselage curved track punching system, it is characterized in that, comprise around the home outside airframe and there is the circuit orbit module (1) of multiple working positions, the arc track module (3) of walking on each working position along described circuit orbit module (1), and be slidably fitted in the automatic punching unit (4) in arc track module (3), the fuselage regions that the machining area of described automatic punching unit (4) covers on each working position for described arc track module (3);
Described circuit orbit module (1) comprises two circuit orbits, and every circuit orbit is spliced by some single hop circuit orbit assemblies (9), and described single hop circuit orbit assembly (9) is provided with adjustable for height sucker and adjusts pin (10) towards the side of fuselage;
Described automatic punching unit (4) has the presser feet (37) that compresses fuselage workpiece, and is provided with the displacement transducer of induction presser feet (37), and the signal of this displacement transducer is for determining the fix a cutting tool feeding depth of (52) of automatic punching unit (4).
3. the equivalent section of aircraft as claimed in claim 2 fuselage curved track punching system, it is characterized in that, article two, between circuit orbit, be sliding combined with track retainer module (2), track retainer module (2) comprises the multiple track retainers (5) that connect successively by retainer connecting rod (6), and this track retainer module (2) and arc track module (3) are around ringwise.
4. the equivalent section of aircraft as claimed in claim 3 fuselage curved track punching system, it is characterized in that, on described circuit orbit, the track retainer (5) just right with described arc track module (3) is provided with the balancing weight (8) for automatic punching unit (4) described in balance.
5. the equivalent section of aircraft as claimed in claim 1 fuselage curved track punching system, it is characterized in that, arc track module (3) comprises arc track base (12) and is arranged on the arc-shaped guide rail (13) on arc track base (12), and the two ends of arc track base (12) are provided with the arc track link (14) that connects described track retainer (5);
On this arc track base (12), be also provided with the curved track roller (16) sliding along circuit orbit, and for fixing the stay (15) of described arc track module (3).
6. the equivalent section of aircraft as claimed in claim 5 fuselage curved track punching system, is characterized in that, described arc track base (12) is provided with for guiding the mobile arc-shaped rack (17) in automatic punching unit (4).
7. the equivalent section of aircraft as claimed in claim 6 fuselage curved track punching system, it is characterized in that, described automatic punching unit (4) comprising: the electric main shaft (31) that cutter (52) is housed, be used for installing the main shaft supporting plate (30) of electric main shaft (31), be used for installing the middle supporting plate (25) of main shaft supporting plate (30), the actuator base (18) sliding along arc track module (3), is slidably fitted in the actuator supporting plate (20) on actuator base (18); Described middle supporting plate (25) is arranged on actuator supporting plate (20);
Described automatic punching unit (4) also comprises:
X is to driven unit, make X to motion for actuate actuators base (18) along arc track module (3), this X comprises and is arranged on the X-axis gear (40) that actuate actuators base (18) is upper and engage with arc-shaped rack (17) to driven unit, drive the X-axis servomotor (41) of X-axis gear (40), and the base roller (39) coordinating with described arc track module (3);
Y-direction driven unit, be used for actuate actuators supporting plate (20) at two circuit orbit intercropping Y-direction rectilinear motions, comprise the Y-axis rack guide rail (19) being arranged on actuator base (18), be positioned at the Y-axis gear (50) that actuator supporting plate (20) is upper and engage with Y-axis rack guide rail (19), drive the Y-axis servomotor (41) of Y-axis gear (50), and be positioned at actuator base (18) Y-axis line slideway (38) upper and that move for limiting actuator supporting plate (20);
A axle rotary components, in the middle of being used for driving, supporting plate (25) rotates around A axle, described A axle is parallel to Y-direction straight line, this A axle rotary components comprises the A axle runing rest (23) being arranged on middle supporting plate (25), is arranged on the A axle servomotor (24) on A axle runing rest (23) by A axle ball screw assembly, (22);
Z-direction driven unit, be used for driving electric main shaft (31) above to move along Z axis at main shaft supporting plate (30), Z axis is perpendicular to described A axle and Y-direction straight line, and described Z-direction driven unit comprises the Z axis servomotor (26), Z axis Timing Belt (27), Z axis synchronous pulley (28), Z axis line slideway (33) and the Z axis ball screw assembly, (51) that are arranged on middle supporting plate (25).
8. the equivalent section of aircraft as claimed in claim 7 fuselage curved track punching system, it is characterized in that, described displacement transducer is the presser feet linear grating chi (47) on supporting plate (25) in the middle of being arranged on, on described middle supporting plate (25), be also provided with feeding linear grating chi (29), for the position of induced electricity main shaft (31).
CN201410123510.8A 2014-03-28 2014-03-28 The equivalent section fuselage curved track punching system of a kind of aircraft and method Active CN103962604B (en)

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Application Number Priority Date Filing Date Title
CN201410123510.8A CN103962604B (en) 2014-03-28 2014-03-28 The equivalent section fuselage curved track punching system of a kind of aircraft and method

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CN106736553A (en) * 2017-03-09 2017-05-31 尚鳌自动化工程(上海)有限公司 For airframe section curved track drilling equipment and application method
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CN112743431A (en) * 2020-12-25 2021-05-04 广州飞机维修工程有限公司 Aircraft surface polishing robot device and polishing method
CN113000895A (en) * 2021-03-15 2021-06-22 浙江大学 Machine tool system for machining butt joint point holes of airplane wing bodies
CN115106566A (en) * 2022-08-19 2022-09-27 成都联星技术股份有限公司 Flexible self-adaptive drilling device
CN115740544A (en) * 2022-12-16 2023-03-07 常州新创航空科技有限公司 Hole making device for integral acoustic lining hole plate

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CN105773156A (en) * 2016-03-18 2016-07-20 南京信息职业技术学院 Annular numerical control automatic hole manufacturing system used for butt joint assembly of airplane body
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CN112743431A (en) * 2020-12-25 2021-05-04 广州飞机维修工程有限公司 Aircraft surface polishing robot device and polishing method
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CN115740544A (en) * 2022-12-16 2023-03-07 常州新创航空科技有限公司 Hole making device for integral acoustic lining hole plate

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