CN208409174U - A kind of multi-dimensional ultrasound machining tool of arc track support - Google Patents
A kind of multi-dimensional ultrasound machining tool of arc track support Download PDFInfo
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- CN208409174U CN208409174U CN201820381189.7U CN201820381189U CN208409174U CN 208409174 U CN208409174 U CN 208409174U CN 201820381189 U CN201820381189 U CN 201820381189U CN 208409174 U CN208409174 U CN 208409174U
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Abstract
The utility model relates to a kind of multi-dimensional ultrasound machining tools of arc track support, belong to mechanical manufacturing field.X direction guiding rail is laterally fixedly mounted on the middle position on the upside of pedestal, on the longitudinally fixed slide carriage for being mounted on X direction guiding rail of Y-direction guide rail, fixture is mounted by means of bolts on the slide carriage of Y-direction guide rail, Z-direction rail brackets are fixedly mounted on the rear end on the upside of pedestal, Z-direction guide rail is fixedly mounted on the middle position on front side of Z-direction rail brackets transverse arm, and ultrasonic tool system is fixedly mounted on the slide carriage on front side of Z-direction guide rail.The utility model has the advantages that: structure novel can effectively improve processing efficiency, improve the surface texture of workpiece to be machined, improve machining accuracy, be able to extend cutting-tool's used life.
Description
Technical field
The utility model belongs to mechanical manufacturing field, especially a kind of multi-dimensional ultrasound machining tool of arc track support.
Background technique
In the high-technology fields such as national defence, military project, automobile manufacture, space flight navigation, the surface quality of some components exists
How the important role of performer in the key technology in each field, improve surface roughness and form accuracy of Important Components etc.
As the key technical problem for continuing to solve.Since ultrasonic vibrating machining technology has degree of finish high, cutting force is small, cutting temperature
Low, the advantages that not generating built-up edge, this has also attracted numerous scholars to participate in the research to ultrasonic vibrating machining technology.
Nevertheless, but existing ultrasonic vibrating machining technology remain that ultrasonic vibration installation is slightly simple, the vibration of ultrasonic vibrator
The immutable equal disadvantage in direction, causes the vibrocutting track of Ultrasonic machining tool heads single, and tool heads are cut Impact direction and become
Change amplitude is small, so that processing efficiency is low, it is poor to form ground surface to be machined texture, and cause cutter life shorter.
Summary of the invention
The utility model provides a kind of multi-dimensional ultrasound machining tool of arc track support, ultrasonic in the prior art to solve
The direction of vibration of oscillator is immutable, and the vibrocutting track of Ultrasonic machining tool heads is single, and tool heads cut Impact direction variation
Amplitude is small, and obtained finished surface texture is poor, cutter life shorter problem.
The technical solution adopted in the utility model is:
It is led including ultrasonic tool system, fixture, Y-direction guide rail, pedestal, X direction guiding rail, Z-direction rail brackets, dust cover, Z-direction
Rail, the X direction guiding rail is laterally fixedly mounted on the middle position on the upside of pedestal, and the control motor of X direction guiding rail is located at X direction guiding rail
The right end of main body, on the longitudinally fixed slide carriage for being mounted on X direction guiding rail of the Y-direction guide rail, and the control motor of Y-direction guide rail is located at Y
The rear end of direction guiding rail main body, the fixture are mounted by means of bolts on the slide carriage of Y-direction guide rail, and the Z-direction rail brackets are solid
Rear end of the Dingan County on the upside of pedestal, the Z-direction guide rail are fixedly mounted on the middle position on front side of Z-direction rail brackets transverse arm, institute
It states on the slide carriage that ultrasonic tool system is fixedly mounted on front side of Z-direction guide rail, and ultrasonic tool system is located at the top of fixture, it is described
Dust cover is fixedly mounted on the mounting rack of ultrasonic tool system.
The ultrasonic tool system includes mounting rack, arc mobile device, arc-shaped guide rail device, ring rail motion, erects
To ultrasonic a period of time, toolbox, Y-direction ultrasonic vibrator, X to ultrasonic vibrator, ultrasonic vibrator mounting rack, device is circumferentially rotated, it is described
Ring rail motion is fixedly mounted on the horizontal mounting plate of mounting rack, described to circumferentially rotate there are two devices, passes through cunning respectively
Rail is symmetrically mounted on ring rail motion, and the both ends of the arc-shaped guide rail device were mounted by means of bolts on for two weeks respectively
To on the mounting plate of rotating device, the arc mobile device is slidably connected at the lower section of arc-shaped guide rail device, described vertical super
Acoustic matrix is bolted to connection in the lower section of arc mobile device, and the toolbox is fixedly mounted on vertical ultrasonic a period of time
Lower end, there are two the ultrasonic vibrator mounting racks, is respectively and fixedly installed to front end and a left side below mounting rack horizontal mounting plate
End, and two ultrasonic vibrator mounting racks are mutually perpendicular to, the Y-direction ultrasonic vibrator is fixedly mounted under the ultrasonic vibrator mounting rack of front side
On the mounting hole at end, the X is fixedly mounted on the mounting hole of left side ultrasonic vibrator mounting rack lower end to ultrasonic vibrator, the knife
Two branches of the flexible hinge in tool component are connected with Y-direction ultrasonic vibrator and X to the inner end of ultrasonic vibrator respectively；
The mounting rack includes rear connecting plate, side rib plate, horizontal mounting plate, and the rear connecting plate is vertically fixed by bolt
Be mounted on rear side of horizontal mounting plate and vertical with horizontal mounting plate, there are two the side rib plates, be fixedly mounted on rear connecting plate and
The two sides of horizontal mounting plate, the side rib plate are vertical and vertical with horizontal mounting plate with rear connecting plate.
The arc mobile device includes U-bracket, arc carrier wheel, arc shift servo motor, vertical link, institute
It states arc shift servo motor to be fixedly mounted on the front side board of U-bracket, the output shaft of the U-bracket is before U shape bracket
It is passed through in the mounting hole of plate, the arc carrier wheel is fixedly mounted on the output shaft of arc shift servo motor and in U
The middle position of shape bracket front and rear panel, the vertical link are mounted by means of bolts on the downside of U-bracket.
The arc-shaped guide rail device includes arc-shaped gear wheel carrier, arc-shaped guide rail sliding block, arc-shaped guide rail, and the arc-shaped guide rail has two
A, two arc-shaped guide rails are respectively symmetrically mounted on the two sides of the Curved beam of arc-shaped gear wheel carrier, and there are two the arc-shaped guide rail sliding blocks,
Two arc-shaped guide rail sliding blocks are slidably connected at respectively on two arc-shaped guide rails.
The ring rail motion includes ring-shaped guide rail sliding block, ring-shaped guide rail, ring gear, the inner ring of the ring gear
Radius is equal with the outer radii of ring-shaped guide rail, and the ring-shaped guide rail is fixedly connected on the inner wall of ring gear, the annular
There are two guide rail slide blocks, and two ring-shaped guide rail sliding blocks are slidably connected on ring-shaped guide rail, and two ring-shaped guide rail sliding blocks are about ring
The center point symmetry of shape guide rail.
The toolbox includes connection bolt, flexible hinge upper cover, flexible link, rotating ball, knife bar, cutter head, flexibility
Hinge body, the flexibility link, rotating ball, knife bar, cutter head are structure as a whole, interposition of the rotating ball design in knife bar
It sets, the lower end of the knife bar is equipped with cutter head, and the upper end of the knife bar is equipped with flexible link, and the upper end of the flexibility link is equipped with tight
Gu screw thread, the flexible hinge upper cover is mounted by means of bolts in the groove on the upside of the main body of flexible hinge main body, described
Rotating ball is mounted in the diameter of Spherical Volume that flexible hinge upper cover and flexible hinge main body are collectively formed, the diameter of the rotating ball with
The diameter for the diameter of Spherical Volume that flexible hinge upper cover and flexible hinge main body are collectively formed is equal, the flexible hinge upper cover and flexibility
The inner outline of the contact surface of hinge body in the horizontal direction is circle, and the diameter of a circle is equal with the diameter of rotating ball.
The device that circumferentially rotates includes epicyclic gear, turnover servo motor, turnover device mounting plate, the turnover servo
Motor is fixedly mounted on the outer end on the upside of turnover device mounting plate, and output shaft reaches week by the hole on turnover device mounting plate
The downside of rotary device mounting plate, the epicyclic gear is connected by key on the output shaft of turnover servo motor, and epicyclic gear
Positioned at the downside of turnover device mounting plate.
The ring rail motion is fixedly mounted on the upside of horizontal mounting plate, and the axis of ring rail motion and level
The axis of mounting plate inner hole coincides, and the turnover device mounting plate is solid by the vertical mounting plate of turnover device mounting plate inboard
On ring-shaped guide rail sliding block, the epicyclic gear being mounted on the outside of arc-shaped guide rail device is meshed with ring gear for Dingan County,
It is described to circumferentially rotate there are two devices, it is respectively and fixedly installed to sliding about symmetrical two ring-shaped guide rails of centre point of ring gear
On block, the arc-shaped guide rail device is fixedly mounted on turnover device mounting plate by the installation foot at arc-shaped gear wheel carrier both ends,
Two installation feet are mounted by means of bolts on the top of two turnover device mounting plate inner ends, the arc mobile device respectively
It is respectively and fixedly installed to by the mounting hole of U-bracket two sides upper end on the arc-shaped guide rail sliding block of arc-shaped gear wheel carrier two sides, it is described
The other parts of arc mobile device are located at the downside of arc-shaped guide rail device, the upper end in described vertical ultrasonic a period of time and vertical link
Lower end be fixedly connected, the lower end in described vertical ultrasonic a period of time and the upper end of knife bar are threadably secured connection, described two to surpass
The sub- mounting rack of sound and vibration is respectively fixedly connected in the left side and front side of horizontal mounting plate lower end surface, and the X pacifies to ultrasonic vibrator is fixed
In the mounting hole of left side ultrasonic vibrator mounting rack lower end, the Y-direction ultrasonic vibrator is fixedly mounted on front side ultrasonic vibrator peace
In the mounting hole shelved, two perpendicular branches of the flexible hinge main body are ultrasonic with orthogonal Y-direction respectively by screw thread
Oscillator is connected with X to ultrasonic vibrator.
The center of circle of the reference circle of the arc gear wheel of arc-shaped gear wheel carrier and rotating ball in the assembly of the ultrasonic tool system
The centre of sphere be overlapped, the center of circle of the reference circle of the arc gear wheel of arc-shaped guide rail and rotating ball in the assembly of the ultrasonic tool system
The centre of sphere be overlapped, the centre of sphere of rotating ball and the center of circle of horizontal mounting plate inner outline are in same vertical straight line, arc-shaped gear wheel carrier
The radius R of reference circle of arc gear wheel be equal to the centre of sphere of rotating ball in the assembly of ultrasonic tool system to arc carrier wheel
The reference circle center of circle distance a and arc carrier wheel reference radius b's and, i.e. R=a+b.
The utility model is by combining arc track with circuit orbit, so that the direction of vibration of vertical ultrasonic vibrator can
To adjust in the larger context, orthogonal two ultrasonic vibrators in horizontal direction, shake in three ultrasounds in addition
Under the collective effect of son, by controlling the vibration parameters of three ultrasonic vibrators, it can get in the space of multiple types of tools cutter head or flat
The closing motion track of even compact in face, can effectively improve processing efficiency, improve the surface texture of workpiece to be machined,
Improve machining accuracy, the machining point and machining Impact direction of tool insert with vertical ultrasonic vibrator angle change
Change and change so that tool insert be unlikely in same point or it is over-stressed in same direction cause fatigue rupture etc.,
So as to extend cutting-tool's used life.
What the utility model rotated in the horizontal direction by the arc track on vertical direction and for arc track
Circular orbit moves the center point of tool heads in the range of being less than hemisphere face for one, and can get ultrasonic vibrator
The different vibration directions changed in a big way can get a variety of works by controlling the vibration parameters of three ultrasonic vibrators
Have the closing motion track of the even compact in the space of cutter head or in plane, improve the surface texture of workpiece to be machined, improves
Machining accuracy.
The beneficial effects of the utility model are as follows:
(1) this patent is by combining arc track with circuit orbit, so that the direction of vibration of vertical ultrasonic vibrator can
To adjust in the larger context, in conjunction with orthogonal two in horizontal direction ultrasonic a period of time, by adjusting three
The vibration parameters of ultrasonic vibrator, and the direction of vibration of vertical ultrasonic vibrator is adjusted, in the space that can get multiple types of tools cutter head
Or the closing motion track of the even compact in plane, processing efficiency can be effectively improved, the surface of workpiece to be machined is improved
Texture improves machining accuracy.
(2) pass through three of arc shift servo motor and turnover servo motor and X, Y, Z axis in control tool system
A servo motor linkage, the quadric processing of complexity for keeping this lathe achievable to saddle camber, ellipsoid etc., this lathe is to multiple
Miscellaneous curved surface has stronger adaptability.
(3) by the arc shift servo motor and turnover servo motor in control tool system, make vertical ultrasonic a period of time
Change, the machining point and machining Impact direction of tool insert become with the variation of vertical ultrasonic vibrator angle
Change so that tool insert be unlikely in same point or it is over-stressed in same direction cause fatigue rupture etc., so as to
Enough extend cutting-tool's used life.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of the utility model；
Fig. 2 is the isometric side schematic diagram of the utility model Ultrasonic probe；
Fig. 3 is the structural schematic diagram that the utility model circumferentially rotates device；
Fig. 4 is the structural schematic diagram of the utility model arc-shaped guide rail device；
Fig. 5 is the structural schematic diagram of the utility model ring rail motion；
Fig. 6 is the structural schematic diagram of the utility model arc mobile device；
Fig. 7 is the explosive view of the utility model toolbox；
Fig. 8 is the cross-sectional view of the utility model toolbox；
Fig. 9 is the front view of the utility model toolbox；
Figure 10 is the isometric side schematic diagram of the utility model mounting rack；
Figure 11 is the partial enlargement A figure of the isometric side schematic diagram of the utility model Ultrasonic probe；
Figure 12 is the partial enlargement B figure of the isometric side schematic diagram of the utility model Ultrasonic probe；
Figure 13 is the motion analysis figure in the utility model Ultrasonic probe xoz plane；
Figure 14 is the motion analysis figure in the utility model Ultrasonic probe xoy plane；
In figure:
1 ultrasonic tool system；2 fixtures；3Y direction guiding rail；4 pedestals；5X direction guiding rail；6Z direction guiding rail bracket；7 dust covers；8Z
Direction guiding rail；101 mounting racks；Connecting plate after 1011；1012 side rib plates；1013 horizontal mounting plates；102 arc mobile devices；
1021U shape bracket；1022 arc carrier wheels；1023 arc shift servo motors；1024 vertical links；103 arc-shaped guide rails dress
It sets；1031 arc-shaped gear wheel carriers；1032 arc-shaped guide rail sliding blocks；1033 arc-shaped guide rails；104 ring rail motions；1041 ring-shaped guide rails
Sliding block；1042 ring-shaped guide rails；1043 ring gears；105 vertical ultrasonic a period of time；106 toolboxs；1061 connection bolts；1062
Flexible hinge upper cover；1063 flexible links；1064 rotating balls；1065 knife bars；1066 cutter heads；1067 flexible hinge main bodys；107Y
To ultrasonic vibrator；108X is to ultrasonic vibrator；109 ultrasonic vibrator mounting racks；110 circumferentially rotate device；1101 epicyclic gears；1102
Have enough to meet the need servo motor；1103 turnover device mounting plates.
Specific embodiment
As shown in Figure 1, including ultrasonic tool system 1, fixture 2, Y-direction guide rail 3, pedestal 4, X direction guiding rail 5, Z direction guiding rail branch
Frame 6, dust cover 7, Z-direction guide rail 8, X direction guiding rail 5 are laterally fixedly mounted on the middle position of 4 upside of pedestal, and the control of X direction guiding rail 5
Motor processed is located at the right end of 5 main body of X direction guiding rail, on the longitudinally fixed slide carriage for being mounted on X direction guiding rail 5 of Y-direction guide rail 3, and Y-direction guide rail
3 control motor is located at the rear end of 3 main body of Y-direction guide rail, and fixture 2 is mounted by means of bolts on the slide carriage of Y-direction guide rail 3, Z-direction
Rail brackets 6 are fixedly mounted on the rear end of 4 upside of pedestal, and Z-direction guide rail 8 is fixedly mounted on front side of 6 transverse arm of Z-direction rail brackets
Middle position, ultrasonic tool system 1 is fixedly mounted on the slide carriage of 8 front side of Z-direction guide rail, and ultrasonic tool system 1 is located at fixture 2
Top, dust cover 7 is fixedly mounted on the mounting rack of ultrasonic tool system 1；
As shown in Fig. 2, the ultrasonic tool system 1 includes mounting rack 101, arc mobile device 102, arc-shaped guide rail device
103, ring rail motion 104, vertical ultrasonic a period of time 105, toolbox 106, Y-direction ultrasonic vibrator 107, X are to ultrasonic vibrator
108, ultrasonic vibrator mounting rack 109, circumferentially rotate device 110, the ring rail motion 104 is fixedly mounted on mounting rack 101
Horizontal mounting plate on, it is described to circumferentially rotate there are two devices 110, ring rail motion is symmetrically mounted on by sliding rail respectively
On 104, the both ends of the arc-shaped guide rail device 103 are mounted by means of bolts on two peaces for circumferentially rotating device 110 respectively
In loading board, the arc mobile device 102 is slidably connected at the lower section of arc-shaped guide rail device 103, described vertical ultrasonic a period of time 105
It is bolted to connection in the lower section of arc mobile device 102, the toolbox 106 is fixedly mounted on vertical ultrasonic a period of time
105 lower end, there are two the ultrasonic vibrator mounting racks 109, is respectively and fixedly installed to below 101 horizontal mounting plate of mounting rack
Front end and left end, and two ultrasonic vibrator mounting racks 109 are mutually perpendicular to, and the Y-direction ultrasonic vibrator 107 is fixedly mounted on front side
On the mounting hole of 109 lower end of ultrasonic vibrator mounting rack, the X is fixedly mounted on left side ultrasonic vibrator installation to ultrasonic vibrator 108
On the mounting hole of 109 lower end of frame, two branches of the flexible hinge in the toolbox 106 respectively with Y-direction ultrasonic vibrator 107 and
X is connected to the inner end of ultrasonic vibrator 108；
The mounting rack 101 includes rear connecting plate 1011, side rib plate 1012, horizontal mounting plate 1013, rear connecting plate 1011
The rear side of horizontal mounting plate 1013 and vertical with horizontal mounting plate 1013 is vertically fixedly mounted on by bolt, side rib plate 1012 has two
It is a, the two sides of rear connecting plate 1011 and horizontal mounting plate 1013 are fixedly mounted on, side rib plate 1012 is vertical with rear connecting plate 1011
And it is vertical with horizontal mounting plate 1013.
As shown in fig. 6, arc mobile device 102 is watched including U-bracket 1021, arc carrier wheel 1022, arc movement
Motor 1023, vertical link 1024 are taken, arc shift servo motor 1023 is fixedly mounted on the front side board of U-bracket 1021,
The output shaft of U-bracket 1021 is passed through out of 1021 foreboard of U-bracket mounting hole, and arc carrier wheel 1022 is fixedly mounted on
On the output shaft of the arc shift servo motor 1023 and middle position in 1021 front and rear panel of U-bracket, vertical link 1024
It is mounted by means of bolts on the downside of U-bracket 1021.
As shown in figure 4, arc-shaped guide rail device 103 includes arc-shaped gear wheel carrier 1031, arc-shaped guide rail sliding block 1032, arc-shaped guide rail
1033, there are two arc-shaped guide rails 1033, and two arc-shaped guide rails 1033 are respectively symmetrically mounted on the Curved beam of arc-shaped gear wheel carrier 1031
Two sides, there are two arc-shaped guide rail sliding blocks 1032, and two arc-shaped guide rail sliding blocks 1032 are slidably connected at two arc-shaped guide rails respectively
On 1033.
As shown in figure 5, ring rail motion 104 includes ring-shaped guide rail sliding block 1041, ring-shaped guide rail 1042, ring gear
1043, the inner radii of the ring gear 1043 is equal with the outer radii of ring-shaped guide rail 1042, and ring-shaped guide rail 1042 is fixed
It is connected on the inner wall of ring gear 1043, there are two ring-shaped guide rail sliding blocks 1041, and two slidings of ring-shaped guide rail sliding block 1041 connect
It connects on ring-shaped guide rail 1042, and center point symmetry of two ring-shaped guide rail sliding blocks 1041 about ring-shaped guide rail 1042.
As shown in Fig. 7, Fig. 8, Fig. 9, toolbox 106 includes connection bolt 1061, flexible hinge upper cover 1062, flexible ring
Save 1063, rotating ball 1064, knife bar 1065, cutter head 1066, flexible hinge main body 1067, flexible link 1063, rotating ball
1064, knife bar 1065, cutter head 1066 are structure as a whole, and rotating ball 1064 is designed in the middle position of knife bar 1065, knife bar 1065
Lower end be equipped with cutter head 1066, the upper end of knife bar 1065 is equipped with flexible link 1063, and the upper end of flexible link 1063 is equipped with fastening
Screw thread, flexible hinge upper cover 1062 are mounted by means of bolts in the groove on the upside of the main body of flexible hinge main body 1067, are turned
Dynamic ball 1064 is mounted in the diameter of Spherical Volume that flexible hinge upper cover 1062 and flexible hinge main body 1067 are collectively formed, rotating ball
1064 diameter is equal with the diameter of diameter of Spherical Volume that flexible hinge upper cover 1062 and flexible hinge main body 1067 are collectively formed, soft
Property hinge upper cover 1062 and the inner outline of the contact surface of flexible hinge main body 1067 in the horizontal direction be circle, diameter of a circle
It is equal with the diameter of rotating ball 1064；
As shown in figure 3, circumferentially rotating device 110 includes epicyclic gear 1101, turnover servo motor 1102, turnover device peace
Loading board 1103, turnover servo motor 1102 are fixedly mounted on the outer end of 1103 upside of turnover device mounting plate, and output shaft passes through
Hole on turnover device mounting plate 1103 reaches the downside of turnover device mounting plate 1103, and epicyclic gear 1101 is connected by key
On the output shaft of turnover servo motor 1102, and epicyclic gear 1101 is located at the downside of turnover device mounting plate 1103.
As shown in Fig. 2, Figure 11, Figure 12, ring rail motion 104 is fixedly mounted on the upside of horizontal mounting plate 1013, and
The axis of ring rail motion 104 and the axis of 1013 inner hole of horizontal mounting plate coincide, and turnover device mounting plate 1103 passes through
The inboard vertical mounting plate of turnover device mounting plate 1103 is fixedly mounted on ring-shaped guide rail sliding block 1041, is mounted on arc-shaped guide rail
The epicyclic gear 1101 in 103 outside of device is meshed with ring gear 1043, circumferentially rotates there are two devices 110, fixes respectively
It is mounted on the symmetrical two ring-shaped guide rail sliding blocks 1041 of centre point about ring gear 1043, arc-shaped guide rail device 103 is logical
The installation foot for crossing 1031 both ends of arc-shaped gear wheel carrier is fixedly mounted on turnover device mounting plate 1103, two installation foot leads to respectively
The top that bolt is fixedly mounted on two 1103 inner ends of turnover device mounting plate is crossed, arc mobile device 102 passes through U-bracket
The mounting hole of 1021 two sides upper end is respectively and fixedly installed on the arc-shaped guide rail sliding block 1032 of 1031 two sides of arc-shaped gear wheel carrier, arc
The other parts of mobile device 102 are located at the downside of arc-shaped guide rail device 103, the upper end in vertical ultrasound a period of time 105 with vertically connect
The lower end of bar 1024 is fixedly connected, and the lower end in vertical ultrasound a period of time 105 is threadably secured with the upper end of knife bar 1065 to be connect, and two
A ultrasonic vibrator mounting rack 109 is respectively fixedly connected with left side and front side in 1013 lower end surface of horizontal mounting plate, and X shakes to ultrasound
Son 108 is fixedly mounted in the mounting hole of 109 lower end of left side ultrasonic vibrator mounting rack, before Y-direction ultrasonic vibrator 107 is fixedly mounted on
In the mounting hole of side ultrasonic vibrator mounting rack 109, two perpendicular branches of flexible hinge main body 1067 by screw thread respectively with phase
Mutually vertical Y-direction ultrasonic vibrator 107 is connected with X to ultrasonic vibrator 108；
As shown in figure 12, in the assembly of the ultrasonic tool system 1 arc gear wheel of arc-shaped gear wheel carrier 1031 indexing
The round center of circle is overlapped with the centre of sphere of rotating ball 1064, the arc of arc-shaped guide rail 1033 in the assembly of the ultrasonic tool system 1
The center of circle of the reference circle of gear is overlapped with the centre of sphere of rotating ball 1064, the centre of sphere and 1013 lubrication groove of horizontal mounting plate of rotating ball 1064
In same vertical straight line, the radius R of the reference circle of the arc gear wheel of arc-shaped gear wheel carrier 1031 is equal to ultrasonic work in the center of circle of profile
Distance a and arc of the centre of sphere of rotating ball 1064 to the reference circle center of circle of arc carrier wheel 1022 in the assembly of tool system 1
The sum of 1022 reference radius b of carrier wheel, i.e. R=a+b；
Working principle: when arc shift servo motor 1023 works, arc mobile device 102 is by gear drive along arc
The arc-shaped guide rail of shape track-type facilities 103 moves, and the motion profile that the centroid of arc carrier wheel 1022 is formed at this time is led for arc
Rail device 103 planar using the center point of rotating ball 1064 as one section of circular arc in the center of circle, when arc shift servo motor
1023 and two turnover servo motors 1102 when working at the same time, since the turnover work of servo motor 1102 can be such that arc-shaped guide rail fills
It sets 103 to rotate in the horizontal plane, so the centroid point of turnover servo motor 1022 moves one that the motion range to be formed is spherical surface
Part, therefore arc shift servo motor 1023 and two turnover servo motors 1102 work at the same time can equally make cutter head 1066
The motion profile of center point is using 1064 center point of rotating ball as a part of the spherical surface of the centre of sphere, due to arc mobile device 102
It is fixedly connected with vertical ultrasonic a period of time 105 and coaxial with knife bar 1065, so vertically ultrasonic when working in vertical ultrasonic a period of time 105
The direction for the ultrasonic vibration that a period of time 105 generates can pass through arc shift servo motor 1023 and two turnover servo motors 1102
Adjustment.
A kind of multi-dimensional ultrasound machining tool motion control method of arc track support, including the following steps:
(1), the rectangular coordinate system in plane is established as origin using the center point O of rotating ball 1064 as shown in figure 13, wherein
Z axis be vertical direction on pass through 1064 centre of sphere O of rotating ball straight line, X-axis be in the plane of symmetry of arc-shaped gear wheel carrier 1031 and
By the horizontal linear of the center point O of rotating ball 1064, wherein R is the centre of sphere O of rotating ball 1064 to arc carrier wheel 1022
Geometric center point A distance, r be rotating ball 1064 the centre of sphere to cutter head 1066 center point B distance, R ' be arc move
Dynamic device 102 when arcuately track-type facilities 103 do circular motion the geometric center of arc carrier wheel 1022 be formed by movement
The half of line segment length corresponding to the projection of track planar, Z ' are the length that circular motion track projects on Z axis,
It also is the length of motion range of the geometric center point of arc carrier wheel 1022 in Z axis direction, θ is in rectangular co-ordinate
The angle that straight line AO is turned over when point A crosses arc length △ L by the circular motion of R along radius in being, △ Z and △ X are respectively that AO is turned over
Displacement of the center point B of cutter head 1066 in Z-direction and X-direction when angle, θ；
(2), the kinematic geometry relationship to tooling system in plane right-angle coordinate xOz is analyzed:
If the maximum value of △ L is △ Lmax
Then
Then
A point trajectory equation:
x2+z2=R2(z > 0 ,-R'< x < R')
B point trajectory equation:
x2+z2=r2(z < 0 ,-rmax< x < rmax)
It willIt substitutes into
:
Above formula is the functional relation for the variable △ L that △ x, △ z are controlled about arc shift servo motor 1023；
If turn over the point position B after θ angle with turn over B point before θ be position between at a distance from be △ s, then:
(3), cartesian coordinate system is established by origin of the center point of rotating ball 1064, wherein Z axis is to pass through on vertical direction
The straight line of 1064 centre of sphere of rotating ball is crossed, X-axis is taken as 108 axis direction, and Y-axis is taken as the axis direction of Y-direction ultrasonic vibrator 107,
If △ LxoyFor the line rotation over angle about the z axis of two 1101 geometric centers of epicyclic gearWhen one of epicyclic gear
The arc length that 1101 central point is passed by, R " are that the movement of 1101 central point of epicyclic gear is formed by the radius of Circular test,
Trajectory diagram in xOy coordinate system is as shown in figure 14；
When arc shift servo motor 1023 and two turnover servo motors 1102 work at the same time, in cartesian coordinate
In system, it can be obtained in conjunction with step (2):
Wherein:
Formula (2) are substituted into formula (1) to obtain
When formula (3) is arc shift servo motor 1023 and two linkages of turnover servo motors 1102, cutter head 1066
Variable quantity of the center point in three reference axis about variable △ L and △ LxoyFunctional relation；
The equation of locus of the geometric center point A point of arc carrier wheel 1022 are as follows:
x2+y2+z2=R2(z > 0 ,-R'< x < R' ,-R'< y < R')
The equation of locus of the center point B point of cutter head 1066 are as follows:
x2+y2+z2=r2(z < 0 ,-rmax< x < rmax,-rmax< y < rmax)
The displacement of the center point of cutter head 1066 in Descartes's three-dimensional system of coordinate are as follows:
(4), determine the center point of cutter head 1066 under multi-dimensional ultrasound vibration in the cartesian coordinate system that step 3 is established
Microscopic motion rule, the driving signal that vertical ultrasound a period of time 105, Y-direction ultrasonic vibrator 107 and X inputs to ultrasonic vibrator 108 divides
Not in the displacement expression formula of the movement generated along its axis direction are as follows:
In formula, AX、AY、AZIndicate the center point of cutter head 1066 respectively in vertical ultrasound a period of time 105, Y in vertical ultrasonic a period of time
The amplitude exported to ultrasonic vibrator 107 and X on 108 axis direction of ultrasonic vibrator,Indicate the ball of cutter head 1066
The initial phase that heart point is exported in 105, Y-direction ultrasonic vibrator 107 and X on 108 axis direction of ultrasonic vibrator respectively, △ x1(t)、△
y1(t)、△z1(t) indicate the center point of cutter head 1066 respectively in vertical ultrasonic a period of time 105, Y-direction ultrasonic vibrator 107 and X to surpassing
The displacement exported on sound and vibration 108 axis directions of son；
The motion profile of the center point of cutter head 1066 can indicate are as follows:
Wherein, △ x (t), △ y (t), △ z (t) indicate the center point of cutter head 1066 on three directions of cartesian coordinate system
The displacement of output, △ z1X(t)、△z1Y(t)、△z1Z(t) △ z is indicated1(t) displacement on three change in coordinate axis direction of x, y, z point
Amount, specifically:
Wherein, θ is the angle of knife bar 1065 place axis and z-axis,For two epicyclic gears, 1101 central point line around z
The angle that axis is turned over；
(5), workpiece to be processed is navigated on workbench by fixture installation installation, establishes and determines workpiece, tool system
Coordinate computation relationship between system and lathe obtains arc shift servo motor 1023 according to the operation result of above step
The macroscopic motion rule of cutter head 1066 in the tool system controlled with turnover servo motor 1102, obtains vertical ultrasonic a period of time
105, the microcosmic vibration rule for the cutter head 1066 that Y-direction ultrasonic vibrator 107, X are controlled to ultrasonic vibrator 108, in conjunction with workpiece to be processed
The information such as the geometrical morphology of work surface and by process obtained target geometrical morphology information, determine feed number, walk
The information such as cutter track diameter, the speed of mainshaft, and it is converted into servo motor in the three motion guide rail servo motors and tool system of lathe
Specific works program information, by information above input machine tool control system process.
Claims (8)
1. a kind of multi-dimensional ultrasound machining tool of arc track support, it is characterised in that: including ultrasonic tool system, fixture, Y-direction
Guide rail, pedestal, X direction guiding rail, Z-direction rail brackets, dust cover, Z-direction guide rail, the X direction guiding rail are laterally fixedly mounted on pedestal
The middle position of side, and the control motor of X direction guiding rail is located at the right end of X direction guiding rail main body, the longitudinally fixed installation of Y-direction guide rail
On the slide carriage of X direction guiding rail, and the control motor of Y-direction guide rail is located at the rear end of Y-direction guide rail main body, and the fixture is solid by bolt
On the slide carriage of Y-direction guide rail, the Z-direction rail brackets are fixedly mounted on the rear end on the upside of pedestal for Dingan County, and the Z-direction guide rail is solid
Middle position of the Dingan County on front side of Z-direction rail brackets transverse arm, the ultrasonic tool system are fixedly mounted on front side of Z-direction guide rail
On slide carriage, and ultrasonic tool system is located at the top of fixture, and the dust cover is fixedly mounted on the mounting rack of ultrasonic tool system
On.
2. a kind of multi-dimensional ultrasound machining tool of arc track support according to claim 1, it is characterised in that: described super
Sound tool system includes mounting rack, arc mobile device, arc-shaped guide rail device, ring rail motion, vertical ultrasonic a period of time, cutter
Component, Y-direction ultrasonic vibrator, X to ultrasonic vibrator, ultrasonic vibrator mounting rack, circumferentially rotate device, the ring rail motion is fixed
It is mounted on the horizontal mounting plate of mounting rack, it is described to circumferentially rotate there are two devices, annular is symmetrically mounted on by sliding rail respectively
On track-type facilities, the both ends of the arc-shaped guide rail device are mounted by means of bolts on two installations for circumferentially rotating device respectively
On plate, the arc mobile device is slidably connected at the lower section of arc-shaped guide rail device, and described vertical ultrasonic a period of time is solid by bolt
Surely it is connected to the lower section of arc mobile device, the toolbox is fixedly mounted on the lower end in vertical ultrasonic a period of time, the ultrasound
There are two oscillator mounting racks, is respectively and fixedly installed to front end and left end below mounting rack horizontal mounting plate, and two ultrasound vibrations
Sub- mounting rack is mutually perpendicular to, and the Y-direction ultrasonic vibrator is fixedly mounted on the mounting hole of front side ultrasonic vibrator mounting rack lower end, institute
It states X to be fixedly mounted on to ultrasonic vibrator on the mounting hole of left side ultrasonic vibrator mounting rack lower end, the flexibility in the toolbox
Two branches of hinge are connected with Y-direction ultrasonic vibrator and X to the inner end of ultrasonic vibrator respectively；
The mounting rack includes rear connecting plate, side rib plate, horizontal mounting plate, and the rear connecting plate is vertically fixedly mounted by bolt
On rear side of horizontal mounting plate and vertical with horizontal mounting plate, there are two the side rib plates, is fixedly mounted on rear connecting plate and level
The two sides of mounting plate, the side rib plate are vertical and vertical with horizontal mounting plate with rear connecting plate.
3. a kind of multi-dimensional ultrasound machining tool of arc track support according to claim 2, it is characterised in that: the arc
Shape mobile device includes U-bracket, arc carrier wheel, arc shift servo motor, vertical link, the arc shift servo
Motor is fixedly mounted on the front side board of U-bracket, and the output shaft of the U-bracket is worn out of U-bracket foreboard mounting hole
It crosses, the arc carrier wheel is fixedly mounted on the output shaft of arc shift servo motor and in U-bracket front and rear panel
Middle position, the vertical link are mounted by means of bolts on the downside of U-bracket.
4. a kind of multi-dimensional ultrasound machining tool of arc track support according to claim 2, it is characterised in that: the arc
Shape track-type facilities include arc-shaped gear wheel carrier, arc-shaped guide rail sliding block, arc-shaped guide rail, and there are two the arc-shaped guide rails, and two arcs are led
Rail is respectively symmetrically mounted on the two sides of the Curved beam of arc-shaped gear wheel carrier, and there are two the arc-shaped guide rail sliding blocks, two arc-shaped guide rails
Sliding block is slidably connected at respectively on two arc-shaped guide rails.
5. a kind of multi-dimensional ultrasound machining tool of arc track support according to claim 2, it is characterised in that: the ring
Shape track-type facilities include ring-shaped guide rail sliding block, ring-shaped guide rail, ring gear, the inner radii and ring-shaped guide rail of the ring gear
Outer radii it is equal, the ring-shaped guide rail is fixedly connected on the inner wall of ring gear, and there are two the ring-shaped guide rail sliding blocks,
Two ring-shaped guide rail sliding blocks are slidably connected on ring-shaped guide rail, and central point pair of two ring-shaped guide rail sliding blocks about ring-shaped guide rail
Claim.
6. a kind of multi-dimensional ultrasound machining tool of arc track support according to claim 2, it is characterised in that: the knife
Having component includes connecting bolt, flexible hinge upper cover, flexible link, rotating ball, knife bar, cutter head, flexible hinge main body, described soft
Property link, rotating ball, knife bar, cutter head be structure as a whole, the rotating ball design is under the middle position of knife bar, the knife bar
End is equipped with cutter head, and the upper end of the knife bar is equipped with flexible link, and the upper end of the flexibility link is equipped with fastening thread, the flexibility
Hinge upper cover is mounted by means of bolts in the groove on the upside of the main body of flexible hinge main body, and the rotating ball is mounted on flexibility
In the diameter of Spherical Volume that hinge upper cover and flexible hinge main body are collectively formed.
7. a kind of multi-dimensional ultrasound machining tool of arc track support according to claim 2, it is characterised in that: the week
It include epicyclic gear, turnover servo motor, turnover device mounting plate to rotating device, the turnover servo motor is fixedly mounted on
Outer end on the upside of turnover device mounting plate, output shaft reach turnover device mounting plate by the hole on turnover device mounting plate
Downside, the epicyclic gear are connected by key on the output shaft of turnover servo motor, and epicyclic gear is located at turnover device peace
The downside of loading board.
8. a kind of multi-dimensional ultrasound machining tool of arc track support according to claim 2, it is characterised in that: the ring
Shape track-type facilities are fixedly mounted on the upside of horizontal mounting plate, and the axis of the axis of ring rail motion and horizontal mounting plate inner hole
Line coincides, and turnover device mounting plate is fixedly mounted on ring-shaped guide rail by the vertical mounting plate of turnover device mounting plate inboard and slides
On block, it is mounted on the epicyclic gear on the outside of arc-shaped guide rail device and is meshed with ring gear, it is described to circumferentially rotate there are two devices,
It is respectively and fixedly installed on the symmetrical two ring-shaped guide rail sliding blocks of centre point about ring gear, the arc-shaped guide rail device is logical
The installation foot for crossing arc-shaped gear wheel carrier both ends is fixedly mounted on turnover device mounting plate, two installation foot is solid by bolt respectively
Dingan County is mounted in the top of two turnover device mounting plate inner ends, and the arc mobile device passes through the peace of U-bracket two sides upper end
Dress hole is respectively and fixedly installed on the arc-shaped guide rail sliding block of arc-shaped gear wheel carrier two sides, the other parts of the arc mobile device:
Arc carrier wheel, arc shift servo motor and vertical link are located at the downside of arc-shaped guide rail device, the vertical ultrasonic battle array
The upper end of son is fixedly connected with the lower end of vertical link, and the lower end in described vertical ultrasonic a period of time and the upper end of knife bar are solid by screw thread
Fixed connection, described two ultrasonic vibrator mounting racks are respectively fixedly connected in the left side and front side of horizontal mounting plate lower end surface, the X
It is fixedly mounted on to ultrasonic vibrator in the mounting hole of left side ultrasonic vibrator mounting rack lower end, the Y-direction ultrasonic vibrator is fixedly mounted
In the mounting hole of front side ultrasonic vibrator mounting rack, two perpendicular branches of flexible hinge main body are hung down with mutual respectively by screw thread
Straight Y-direction ultrasonic vibrator is connected with X to ultrasonic vibrator.
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| CN201820381189.7U CN208409174U (en) | 2018-03-20 | 2018-03-20 | A kind of multi-dimensional ultrasound machining tool of arc track support |
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| CN201820381189.7U CN208409174U (en) | 2018-03-20 | 2018-03-20 | A kind of multi-dimensional ultrasound machining tool of arc track support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213601A (en) * | 2018-03-20 | 2018-06-29 | 吉林大学 | A kind of the multi-dimensional ultrasound machining tool and its motion control method of arc track support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213601A (en) * | 2018-03-20 | 2018-06-29 | 吉林大学 | A kind of the multi-dimensional ultrasound machining tool and its motion control method of arc track support |
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