CN103894865A - Numerical control five-axis machine tool for drilling laminated materials - Google Patents

Numerical control five-axis machine tool for drilling laminated materials Download PDF

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Publication number
CN103894865A
CN103894865A CN201410113886.0A CN201410113886A CN103894865A CN 103894865 A CN103894865 A CN 103894865A CN 201410113886 A CN201410113886 A CN 201410113886A CN 103894865 A CN103894865 A CN 103894865A
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CN
China
Prior art keywords
fixed
ram
numerical control
column
axis
Prior art date
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CN201410113886.0A
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Chinese (zh)
Inventor
刘刚
蒋君侠
柯映林
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浙江大学
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Priority to CN201410113886.0A priority Critical patent/CN103894865A/en
Publication of CN103894865A publication Critical patent/CN103894865A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02Machine tools for performing different machining operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • B23Q1/44Movable or adjustable work or tool supports using particular mechanisms
    • B23Q1/50Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
    • B23Q1/54Movable 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
    • B23Q1/5406Movable 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 a single rotating pair followed perpendicularly by a single rotating pair
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • B23Q1/44Movable or adjustable work or tool supports using particular mechanisms
    • B23Q1/56Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
    • B23Q1/60Movable 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
    • B23Q1/62Movable 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 with perpendicular axes, e.g. cross-slides
    • B23Q1/621Movable 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 with perpendicular axes, e.g. cross-slides a single sliding pair followed perpendicularly by a single sliding pair
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/001Arrangements compensating weight or flexion on parts of the machine
    • B23Q11/0017Arrangements compensating weight or flexion on parts of the machine compensating the weight of vertically moving elements, e.g. by balancing liftable machine parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2452Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring features or for detecting a condition of machine parts, tools or workpieces
    • B23Q17/2471Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring features or for detecting a condition of machine parts, tools or workpieces of workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/34Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw

Abstract

The invention discloses a numerical control five-axis machine tool for drilling laminated materials. The numerical control five-axis machine tool comprises a machine tool body, a tool body slide, a column slide, a supporting plate, a ram, a five-axis head, and end effectors; the tool body slide is slidably fitted on the machine tool body along the axis X; the column slide is slidably fitted on the tool body slide along the axis Z; the carriage is slidably fitted on a column along the axis Y; the ram is slidably fitted on the supporting plate along the axis Z; the five-axis head is rotatably fitted on the ram; the end effectors are rotatably fitted on the five-axis head; the axes X, Y and Z are perpendicular to one another. The numerical control five-axis machine tool has the advantages that both the column slide and the ram move along the axis Z, travel is large, the end effectors are mounted on the five-axis head, a workpiece can be machined at any angle, the corresponding end effectors can be switched as required; by the use of a hydraulic assist balance device, the problem that forward shift of center-of-gravity of the whole supporting plate during the extending process of the ram causes downward shift of the end effectors can be prevented effectively; high-quality elliptical recesses can be automatically made with the end effectors for reaming elliptical recesses.

Description

A kind of for laminated material being carried out to numerical control five coordinate machines of drilling
Technical field
The present invention relates to mechanical processing machine, be specifically related to a kind of for laminated material being carried out to numerical control five coordinate machines of drilling.
Background technology
Along with Aerobiz fast development, in order effectively to improve the structural strength of aircraft, alleviate aircaft configuration weight, reduce aircraft energy consumption, a large amount of laminated construction that formed by aluminium alloy, titanium alloy, carbon fibre composite (CFRP) etc. that use on aircraft.Especially in aircraft wing, just extensively use this laminated construction, wing wallboard is composite, and skeleton is aluminium and titanium alloy.Traditional drilling technique can not meet the requirement of product.For titanium alloy, traditional drilling technique is difficult to solve the technical barriers such as outlet burr, surface smoothness; For composite, traditional drilling technique, because axial force is large, is difficult to avoid the phenomenon of layers of material, and product processing quality is uncontrollable.And aircraft wing assembles position, hole precision to drilling, aperture precision, perpendicularity, surface roughness etc. very high requirement, adopt conventional method and equipment to need to bore, expand and ream machining repeatedly, drilling efficiency is low, of poor quality, automaticity is low, and labour intensity is large.
Helical milling technology is a kind of novel hole process technology, in process, cutter rotation, axial feed are simultaneously around the revolution of the center of machining hole, the movement locus that is cutter is helix, this motion mode has determined that helical milling has the following advantages: 1) eccentric processing can realize the hole of a series of diameters of single diameter tool sharpening, improve cutter utilization rate, reduce costs; 2) in helical milling processing, axial force is little, has reduced composite risk of delamination; 3) tool diameter is less than hole, and smear metal is convenient discharges, and has improved the surface smoothness in hole.
In the specific position of aircraft, on the skeleton of aircraft, require elliptical aperture processed to be used for settling earless plate nut.But the manual processing technology of oval port is very complicated, need to, by the direction of other location, hole machining tool, manually along orientation reciprocally swinging cutter back and forth, could process the oval nest of earless plate nut.Because elliptical ports is darker, the contact-making surface of cutter and material is larger, causes cutting force larger, and artificial is very difficult.
Application publication number is that the patent documentation of CN102632422A discloses a kind of miniature high-speed five-axis linkage machine tools, comprises foundation structure and the main spindle box assembly and the cradle-type workbench that are supported in foundation structure; Foundation structure comprises lathe base and is fixed on side by side two columns of pedestal along X-axis; Main spindle box assembly comprises Y-axis moving assembly, X-axis moving assembly and Z axis moving assembly; Described Y-axis moving assembly comprises the shaped as frame crossbeam that is across between two columns and can moves back and forth along Y direction single-degree-of-freedom and for driving the Y-axis drive unit of shaped as frame cross beam movement, the plane at shaped as frame crossbeam place is the coordinate plane that X-axis and Y-axis form; X-axis moving assembly comprises across the X-axis planker that also can move back and forth along X-direction single-degree-of-freedom between two cross bars of shaped as frame crossbeam and the X-axis drive unit for driving X-axis planker to move; Described Z axis moving assembly comprises the main spindle box that is arranged on X-axis planker between two cross bars of shaped as frame crossbeam and can move back and forth along Z-direction single-degree-of-freedom and the Z axis drive unit moving for drive shaft case; Cradle-type workbench is supported in lathe base between two columns.When the lathe of this patent documentation is worked, by the workpiece being fixed on cradle-type workbench is processed, because the restriction of cradle-type workbench can not be suitable for large-scale workpiece.
Summary of the invention
For the problems referred to above, the invention provides a kind ofly for laminated material being carried out to numerical control five coordinate machines of drilling, can carry out the oval nest of helical milling and ream to aircraft laminated material.
The technical scheme that the present invention takes is as follows:
For laminated material being carried out to numerical control five coordinate machines for drilling, comprise bed piece, described bed piece is furnished with the first guide rail along X-direction, is sliding combined with lathe bed slide on the first guide rail, also comprises:
Column slide, is slidably fitted on described lathe bed slide, moves along Z-direction;
Column, is fixed on described column slide;
Supporting plate, is slidably fitted on described column, moves along Y direction;
Ram, is slidably fitted on described supporting plate, moves along Z-direction;
Five spindle noses, are rotatably assorted on described ram, and rotation is parallel with Z-direction;
End effector, is rotatably assorted on five spindle noses, and rotation is vertical with Z axis;
Described X-direction is the length direction of bed piece, and described Y direction is perpendicular to bed piece place plane, and described X-axis, Y-axis, Z axis are mutually vertical between two.
Column slide and ram all move along Z-direction, and stroke is larger, and end effector is placed on five spindle noses, can process workpiece with arbitrarily angled, and switch to as required corresponding end effector.
As preferably, described bed piece is fixed with two tooth bars along X-direction, two groups of gears are installed on described lathe bed slide, and every group of gear engages with a corresponding tooth bar respectively, and several first motors for driving respectively each gear are also installed on described lathe bed slide.
As preferably, described lathe bed slide is rectangle, has four the first motors and is distributed on four angles.Such setting is in order to realize disappear gap motion of Dual Drive.
As preferably, described lathe bed slide is provided with and coordinates the second guide rail of arranging along Z-direction with column slide, on lathe bed slide, be also fixed with the second motor and by second motor-driven the first ball screw assembly,, described the first ball screw assembly, comprises the first screw mandrel and the first nut, and described the first nut and column slide are fixed.
The gyration of ball-screw adjutant motor output is converted into rectilinear motion, have precision high, without sideshake, rigidity advantages of higher
As preferably, described column is provided with and coordinates the 3rd guide rail of arranging along Y direction with supporting plate, on column, be also fixed with the 3rd motor and by the 3rd motor-driven the second ball screw assembly,, described the second ball screw assembly, comprises the second screw mandrel and the second nut, described the second nut and supporting plate are fixed.
As preferably, described supporting plate is provided with and coordinates the 4th guide rail of arranging along Z-direction with ram, on supporting plate, be also fixed with the 4th motor and by the 4th motor-driven the 3rd ball screw assembly,, described the 3rd ball screw assembly, comprises the 3rd screw mandrel and the 3rd nut, described the 3rd nut and ram are fixed, and drive ram to move on the 4th guide rail.
Move forward because ram can make the center of gravity of planker entirety in the process of stretching out, cause the position of end effector to offset downward, as preferably, be also provided with hydraulic pressure auxiliary balance device on described column, this hydraulic pressure auxiliary balance device comprises:
Fixed pulley, is fixed on column top;
Hydraulic jack, is positioned at the below of fixed pulley, is fixed on column;
Movable pulley, is suspended in the below of fixed pulley;
The first chain, one end and movable pulley are fixed, and the other end is walked around the piston rod of fixed pulley and hydraulic jack and is fixed;
The second chain, one end is fixed on column, and the other end is walked around movable pulley and is fixed on supporting plate one end near five spindle noses.
In order to ensure that hydraulic pressure auxiliary balance device can omnidistance work, as preferably, the stroke of described hydraulic cylinder piston rod should be more than or equal to the half of supporting plate stroke.
As preferably, on described ram, be fixed with the 5th motor that drives five spindle nose rotations, described five spindle noses are provided with fast-assembling flange lower wall and drive the 6th motor of disc spins under fast-assembling flange.
Described end effector is the oval nest end effector of helical milling end effector, ream or scanner end effector.
In order to ensure to control preferably the features such as counter boring direction, shape and size, thereby process the oval nest that meets the requirements, as preferably, the oval nest end effector of described ream comprises:
On the first fast-assembling flange, coil, be fixed with described fast-assembling flange lower wall;
Numerical control rotating platform, is fixed on the first fast-assembling flange and coils;
Rotating base, is arranged on described numerical control rotating platform and can rotates around first axle;
Line slideway, is arranged on described rotating base, and this line slideway is parallel with first axle;
Feeding ram, is slidably mounted on described line slideway;
Swing ram, be slidably mounted on described feeding ram, rotating shaft line and the first axle of this swing ram intersect vertically;
Arc guide rail, is fixed on described feeding ram and swings ram in order to guiding;
Electricity main shaft, is arranged on described swing ram, and parallel with first axle;
Cutter, is arranged on described electric main shaft.
As preferably, described line slideway is two that are arranged in parallel, and on the rotating base between described two line slideways, feeding motor and ball screw for feeding pair is installed, described feeding ram by ball screw for feeding secondary with feeding motor linkage.
As preferably, described line slideway is slidably installed and is useful on the presser feet against workpiece, and described rotating base is provided with the cylinder for driving presser feet.Cylinder has larger power output, by presser feet pressure head workpiece pressing, can avoid the displacement that workpiece causes because of the cutting force of cutter in process, thereby machining accuracy is provided.
As preferably, described presser feet be provided with workpiece against annular pressure head, the hollow region of annular pressure head is corresponding with the position of cutter, is provided with flock silk sucking opening at the inner edge of annular pressure head, described presser feet is provided with the crumb-suction pipe road being communicated with flock silk sucking opening.The scrap producing in process, the recyclable recycling of scrap of collection, economic environmental protection are collected in described crumb-suction pipe road.
Described feeding ram is provided with the arc rack with arc guide rail arranged concentric, and described arc guide rail comprises external arc guide rail and the interior arc guide rail of arranged concentric, the point of a knife of described cutter arc guide rail the projected position in the plane center of circle that is arc guide rail.Swing ram and can rotate back and forth swing along arc guide rail, swing the angle changing of ram and the angle changing of cutter consistent, can realize the swing of controlling cutter, process satisfactory oval nest.
The bottom of described swing ram is provided with the wobble gear engaging with arc rack, and described swing ram is provided with the oscillating motor for driving wobble gear.By the engaged transmission of wobble gear and arc rack, stable drive, gearratio is accurate, and reliable operation, efficiency is high, the life-span is long.
As preferably, described scanner end effector comprises:
On the second fast-assembling flange, coil, be fixed with described fast-assembling flange lower wall;
Scanning support, is fixed on the second fast-assembling flange and coils;
Turntable driving motor, is fixed on scanning support;
Laser scanning head, is subject to described turntable driving motor to drive rotation.
The invention has the beneficial effects as follows: column slide and ram all move along Z-direction, and stroke is larger, end effector is placed on five spindle noses, can process workpiece with arbitrarily angled, and switch to as required corresponding end effector; Can effectively prevent that by hydraulic pressure auxiliary balance device ram from making the center of gravity of planker entirety move forward in the process of stretching out, the problem that causes the position of end effector to offset downward; By the oval nest end effector of ream, can realize the high-quality oval nest of system automatically.
Brief description of the drawings
Fig. 1 is the present invention for laminated material being carried out to the structural representation of numerical control five coordinate machines of drilling;
Fig. 2 is the enlarged drawing of A in Fig. 1;
Fig. 3 is cutaway view of the present invention;
Fig. 4 is the enlarged drawing of B in Fig. 3;
Fig. 5 is the cutaway view of bowing of lathe bed slide;
Fig. 6 is the left view of ram;
Fig. 7 is the front cross sectional view of ram;
Fig. 8 is the structural representation of the oval nest end effector of ream;
Fig. 9 is the positive view of the oval nest end effector of ream;
Figure 10 is the structural representation of scanner end effector;
Figure 11 is the structural representation of helical milling end effector.
Being labeled as of each accompanying drawing:
1. bed piece, 2. lathe bed slide, 3. column slide, 4. five spindle noses, 5. ram, 6. column, 7. fast-assembling flange lower wall, 8. the second chain, 9. movable pulley, 10. the first chain, 11. fixed pulleys, 12. the 3rd motors, 13. second ball screw assembly,s, 14. supporting plates, 15. hydraulic-driven leading screw contracting brake mechanisms, 16. first guide rails, 17. first motors, 18. gears, 19. tooth bars, 20. second motors, 21. first ball screw assembly,s, 22. second guide rails, 23. the 4th guide rails, 24. the 3rd ball screw assembly,s, on 25. first fast-assembling flanges, coil, 26. numerical control rotating platforms, 27. rotating bases, 28. oscillating motors, 29. swing ram, 30. electric main shafts, 31. cutters, 32. presser feets, 33. external arc guide rails, 34. feeding rams, 35. arc racks, 36. interior arc guide rails, 37. feeding motors, 38. ball screw for feeding pairs, 39. cylinders, 40. crumb-suction pipe roads, on 41. second fast-assembling flanges, coil, 42. scanning supports, 43. turntable driving motors, 44. laser scanning heads, 45. the 3rd guide rails, 46. the 4th motors, 47. line slideways, 48. wobble gears.
Detailed description of the invention
As shown in Figures 1 to 3, a kind ofly comprise bed piece 1 for laminated material being carried out to numerical control five coordinate machines of drilling, bed piece is furnished with on the first guide rail 16, the first guide rails and is sliding combined with lathe bed slide 2 along X-direction, also comprises:
Column slide 3, is slidably fitted on lathe bed slide, moves along Z-direction;
Column 6, is fixed on column slide;
Supporting plate 14, is slidably fitted on column, moves along Y direction;
Ram 5, is slidably fitted on supporting plate, moves along Z-direction;
Five spindle noses 4, are rotatably assorted on ram, and rotation is parallel with Z-direction;
End effector, is rotatably assorted on five spindle noses, and rotation is vertical with Z axis;
X-direction is the length direction of bed piece, and Y direction is perpendicular to bed piece place plane, and X-axis, Y-axis, Z axis are mutually vertical between two.
As shown in Figure 3,4, bed piece is fixed with two tooth bars 19 along X-direction, and lathe bed slide 2 is rectangle, has four the first motors 17 and is distributed on four angles, and each the first motor is all combined with gear 18 and engages with a corresponding tooth bar.
As shown in Figure 5, lathe bed slide 2 is provided with and coordinates the second guide rail 22 of arranging along Z-direction with column slide, on lathe bed slide, be also fixed with the second motor 20 and by second motor-driven the first ball screw assembly, 21, the first ball screw assembly, comprises the first screw mandrel and the first nut, and the first nut and column slide are fixed.
As shown in Figure 3, column 6 is provided with and coordinates the 3rd guide rail 45 of arranging along Y direction with supporting plate, on column, be also fixed with the 3rd motor 12 and by the 3rd motor-driven the second ball screw assembly, 13, the second ball screw assembly, comprises the second screw mandrel and the second nut, the second nut and supporting plate are fixed, the capable hydraulic-driven leading screw contracting brake mechanism that is also provided with of the second leading screw.The triple vertical band-type brake schemes of the present embodiment configuration: i.e. the 3rd motor 12 of band brake, the accurate retarding machine of the large braking torque coordinating with the 3rd motor 12 and hydraulic-driven leading screw contracting brake mechanism 15, such design can prevent that product accident power-off from causing supporting plate to sink and causing irreversible damage to workpiece.
As shown in Figure 6,7, supporting plate is provided with and coordinates the 4th guide rail 23 of arranging along Z-direction with ram, on supporting plate, be also fixed with the 4th motor 46 and by the 4th motor-driven the 3rd ball screw assembly, 24, the 3rd ball screw assembly, comprises the 3rd screw mandrel and the 3rd nut, the 3rd nut and ram are fixed, and drive ram to move on the 4th guide rail.
As shown in Fig. 3,7, on column, be also provided with hydraulic pressure auxiliary balance device, this hydraulic pressure auxiliary balance device comprises:
Fixed pulley 11, is two, is fixed on column top;
Hydraulic jack (not shown in FIG.), is positioned at the below of fixed pulley, is fixed on column;
Movable pulley 9, is suspended in the below of fixed pulley;
The first chain 10, one end and movable pulley are fixed, and the other end is walked around the piston rod of fixed pulley and hydraulic jack and is fixed;
The second chain 8, one end is fixed on column, and the other end is walked around movable pulley and is fixed on supporting plate one end near five spindle noses.
Can omnidistancely work in order to ensure hydraulic pressure auxiliary balance device, the stroke of hydraulic cylinder piston rod should be more than or equal to the half of supporting plate stroke, the present embodiment hydraulic pressure auxiliary balance device compensates the suffered gravity of planker, ensures the positioning precision of end effector in the vertical direction.
As shown in Figure 2, be fixed with the 5th motor that drives five spindle nose rotations on ram, five spindle noses are provided with fast-assembling flange lower wall 7 and drive the 6th motor of disc spins under fast-assembling flange.This fast-assembling flange lower wall 7 is fixed with end effector, and end effector is processed workpiece.
The present embodiment end effector has three kinds, is respectively helical milling end effector, the oval nest end effector of ream and scanner end effector.
As shown in Figure 8,9, the oval nest end effector of ream comprises:
On the first fast-assembling flange, coil 25, be fixed with fast-assembling flange lower wall 7;
Numerical control rotating platform 26, is fixed on the first fast-assembling flange and coils;
Rotating base 27, is arranged on numerical control rotating platform and can rotates around first axle;
Line slideway 47, is arranged on rotating base, and this line slideway is parallel with first axle;
Feeding ram 34, is slidably mounted on line slideway;
Swing ram 29, be slidably mounted on feeding ram, rotating shaft line and the first axle of this swing ram intersect vertically;
Arc guide rail, is fixed on feeding ram and swings ram in order to guiding;
Electricity main shaft 30, is arranged on and swings on ram, and parallel with first axle;
Cutter 31, is arranged on electric main shaft.
Line slideway 47 is two that are arranged in parallel, feeding motor 37 and ball screw for feeding pair 38 are installed on the rotating base between two line slideways, ball screw for feeding pair 38 comprises feed screw and feed nut, feed nut and feeding ram are fixed, and drive feeding ram to slide on line slideway.
Line slideway 47 is slidably installed and is useful on the presser feet 32 against workpiece away from one end of numerical control rotating platform, and rotating base 27 is provided with the cylinder 39 for driving presser feet.Presser feet be provided with workpiece against annular pressure head, the hollow region of annular pressure head is corresponding with the position of cutter, is provided with flock silk sucking opening at the inner edge of annular pressure head, presser feet is provided with the crumb-suction pipe road 40 being communicated with flock silk sucking opening.
Feeding ram is provided with the circle-arc tooth 35 with arc guide rail arranged concentric, arc guide rail comprises external arc guide rail 33 and the interior arc guide rail 36 of arranged concentric, the point of a knife of cutter 31 arc guide rail the projected position in the plane center of circle that is arc guide rail, the bottom that swings ram 29 is provided with the wobble gear 48 engaging with arc rack 35, swings ram and is provided with the oscillating motor 28 for driving wobble gear.Swing ram and can rotate back and forth swing along arc guide rail, swing the angle changing of ram and the angle changing of cutter consistent, can realize the swing of controlling cutter, process satisfactory oval nest.
As shown in figure 10, scanner end effector comprises:
On the second fast-assembling flange, coil 41, be fixed with fast-assembling flange lower wall;
Scanning support 42, is fixed on the second fast-assembling flange and coils;
Turntable driving motor 43, is fixed on scanning support;
Laser scanning head 44, is subject to turntable driving motor to drive rotation.
As shown in figure 11, helical milling end effector can adopt prior art, and it is by helical milling technology machining hole.
The course of work of the present invention is as follows:
1, five spindle noses are got scanner end effector, by numerical control of machine tools driven by program, coordinate laser tracker to form scanning measurement system, can automatically complete the profile scanning survey task behind each assembly location on skeleton.
2, complete in scanning, enter drilling operation through posture adjustment, deburring, the operation such as pre-involutory.Scanner end effector coordinates the datum hole (reference bore/locating hole) on laser tracker measuring machine wing skeleton, wallboard, carries out the correction of position, hole and records revised drilling program.
3, Digit Control Machine Tool five spindle noses change helical milling end effector, and via after artificial upper slitter, according to revised drilling program just hole of system automatically.Cutter arrive processing the life-span after also by manually carrying out online tool changing operation.
4, wallboard skeleton is protected attitude and is separated, and clears up, resets after the operation such as cold extrusion, and Digit Control Machine Tool is according to the whole hole of drilling program system.
5, Digit Control Machine Tool five spindle noses change the oval nest end effector of ream, and via after artificial upper slitter, in corresponding hole site according to the oval work holdup order of the Hang Huo Wo of drilling program Jin Huo Huo.
6, completion of processing, lathe is got back to initial position standby.

Claims (10)

1. for laminated material being carried out to numerical control five coordinate machines for drilling, comprise bed piece, described bed piece is furnished with the first guide rail along X-direction, is sliding combined with lathe bed slide on the first guide rail, it is characterized in that, also comprises:
Column slide, is slidably fitted on described lathe bed slide, moves along Z-direction;
Column, is fixed on described column slide;
Supporting plate, is slidably fitted on described column, moves along Y direction;
Ram, is slidably fitted on described supporting plate, moves along Z-direction;
Five spindle noses, are rotatably assorted on described ram, and rotation is parallel with Z-direction;
End effector, is rotatably assorted on five spindle noses, and rotation is vertical with Z axis;
Described X-direction is the length direction of bed piece, and described Y direction is perpendicular to bed piece place plane, and described X-axis, Y-axis, Z axis are mutually vertical between two.
2. according to claim 1 for laminated material being carried out to numerical control five coordinate machines of drilling, it is characterized in that, described bed piece is fixed with two tooth bars along X-direction, two groups of gears are installed on described lathe bed slide, every group of gear engages with a corresponding tooth bar respectively, and several first motors for driving respectively each gear are also installed on described lathe bed slide.
3. according to claim 1 for laminated material being carried out to numerical control five coordinate machines of drilling, it is characterized in that, described lathe bed slide is provided with and coordinates the second guide rail of arranging along Z-direction with column slide, on lathe bed slide, be also fixed with the second motor and by second motor-driven the first ball screw assembly,, described the first ball screw assembly, comprises the first screw mandrel and the first nut, and described the first nut and column slide are fixed.
4. according to claim 1 for laminated material being carried out to numerical control five coordinate machines of drilling, it is characterized in that, described column is provided with and coordinates the 3rd guide rail of arranging along Y direction with supporting plate, on column, be also fixed with the 3rd motor and by the 3rd motor-driven the second ball screw assembly,, described the second ball screw assembly, comprises the second screw mandrel and the second nut, and described the second nut and supporting plate are fixed.
5. according to claim 1 for laminated material being carried out to numerical control five coordinate machines of drilling, it is characterized in that, described supporting plate is provided with and coordinates the 4th guide rail of arranging along Z-direction with ram, on supporting plate, be also fixed with the 4th motor and by the 4th motor-driven the 3rd ball screw assembly,, described the 3rd ball screw assembly, comprises the 3rd screw mandrel and the 3rd nut, described the 3rd nut and ram are fixed, and drive ram to move on the 4th guide rail.
6. according to claim 5ly it is characterized in that for laminated material being carried out to numerical control five coordinate machines of drilling, on described column, be also provided with hydraulic pressure auxiliary balance device, this hydraulic pressure auxiliary balance device comprises:
Fixed pulley, is fixed on column top;
Hydraulic jack, is positioned at the below of fixed pulley, is fixed on column;
Movable pulley, is suspended in the below of fixed pulley;
The first chain, one end and movable pulley are fixed, and the other end is walked around the piston rod of fixed pulley and hydraulic jack and is fixed;
The second chain, one end is fixed on column, and the other end is walked around movable pulley and is fixed on supporting plate one end near five spindle noses.
7. according to claim 1 for laminated material being carried out to numerical control five coordinate machines of drilling, it is characterized in that, on described ram, be fixed with the 5th motor that drives five spindle nose rotations, described five spindle noses are provided with fast-assembling flange lower wall and drive the 6th motor of disc spins under fast-assembling flange.
8. according to claim 1ly it is characterized in that for laminated material being carried out to numerical control five coordinate machines of drilling, described end effector is the oval nest end effector of helical milling end effector, ream or scanner end effector.
9. according to claim 8ly it is characterized in that for laminated material being carried out to numerical control five coordinate machines of drilling, the oval nest end effector of described ream comprises:
On the first fast-assembling flange, coil, be fixed with described fast-assembling flange lower wall;
Numerical control rotating platform, is fixed on the first fast-assembling flange and coils;
Rotating base, is arranged on described numerical control rotating platform and can rotates around first axle;
Line slideway, is arranged on described rotating base, and this line slideway is parallel with first axle;
Feeding ram, is slidably mounted on described line slideway;
Swing ram, be slidably mounted on described feeding ram, rotating shaft line and the first axle of this swing ram intersect vertically;
Arc guide rail, is fixed on described feeding ram and swings ram in order to guiding;
Electricity main shaft, is arranged on described swing ram, and parallel with first axle;
Cutter, is arranged on described electric main shaft.
10. according to claim 8ly it is characterized in that for laminated material being carried out to numerical control five coordinate machines of drilling, described scanner end effector comprises:
On the second fast-assembling flange, coil, be fixed with described fast-assembling flange lower wall;
Scanning support, is fixed on the second fast-assembling flange and coils;
Turntable driving motor, is fixed on scanning support;
Laser scanning head, is subject to described turntable driving motor to drive rotation.
CN201410113886.0A 2014-03-25 2014-03-25 Numerical control five-axis machine tool for drilling laminated materials CN103894865A (en)

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CN104626726A (en) * 2015-02-06 2015-05-20 中国商用飞机有限责任公司 Cold extrusion strengthening method for assembling hole of CFRP composite material laminate
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CN105619417A (en) * 2016-02-27 2016-06-01 山东思创机器人科技有限公司 Automatic five-axis spraying robot
CN105619417B (en) * 2016-02-27 2017-05-24 山东思创机器人科技有限公司 Automatic five-axis spraying robot
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CN106141245A (en) * 2016-08-24 2016-11-23 刘汉佑 A kind of five metals makes uses hinge perforating device
CN106843152A (en) * 2017-03-06 2017-06-13 航天材料及工艺研究所 A kind of Bresse normal circle hole numerical-control processing method based on five-axis machine tool on-line measurement
CN106843152B (en) * 2017-03-06 2019-03-22 航天材料及工艺研究所 A kind of Bresse normal circle hole numerical-control processing method based on five-axis machine tool on-line measurement
CN107234488A (en) * 2017-06-14 2017-10-10 沈阳机床(东莞)智能装备有限公司 A kind of tool failure degree detection method based on Digit Control Machine Tool vision-based detection
CN111069672A (en) * 2019-12-31 2020-04-28 江苏长沐智能装备有限公司 Die casting trimming device
CN112676845A (en) * 2021-03-19 2021-04-20 沈阳机床股份有限公司 Turning and milling combined machining center

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