CN104096864B - Main axle unit - Google Patents
Main axle unit Download PDFInfo
- Publication number
- CN104096864B CN104096864B CN201410251205.7A CN201410251205A CN104096864B CN 104096864 B CN104096864 B CN 104096864B CN 201410251205 A CN201410251205 A CN 201410251205A CN 104096864 B CN104096864 B CN 104096864B
- Authority
- CN
- China
- Prior art keywords
- drag hook
- main
- sleeve
- spindle drum
- workpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
Abstract
This technology provides a kind of sleeve for being additionally arranged and being swung relative to spindle drum, and clever structure uses the wide main axle unit of scope.It includes spindle drum, the main shaft being rotatably arranged on spindle drum；Main shaft has the hollow shaft of taper hole for one end；Rod assembly is provided with main shaft；Rod assembly includes pull bar, is sleeved on the dished spring assembly of pull bar periphery；Pull bar is being connected with pulling claw near one end of taper hole, and in normality, pull bar pulls pulling claw to cause that pulling claw is in the state of radial contraction to dished spring assembly；Be provided with spindle drum pushing drawing rod overcome dished spring assembly elastic force and the pull bar pushing mechanism of movement；It also includes a sleeve coaxial with main shaft, and main axis are arranged in sleeve, and sleeve is rotatably arranged on spindle drum；Drive sleeve is provided with spindle drum relative to the sleeve drive mechanism that spindle drum is rotated；Drive shaft is provided with spindle drum relative to the spindle drive that spindle drum is rotated.
Description
Technical field
This technology is related to the main axle unit in machining equipment.
Background technology
Currently, in machining equipment, especially numerical controlled machinery process equipment, main axle unit includes support, rotates setting
Main shaft on support；Main shaft has the hollow shaft of taper hole for one end；Rod assembly is provided with main shaft；Rod assembly includes
Pull bar, the dished spring assembly for being sleeved on pull bar periphery；Pull bar is being connected with pulling claw near one end of taper hole, and dished spring assembly is in normality
When, pull bar pulls pulling claw to cause that pulling claw is in the state of radial contraction；Pushing drawing rod is provided with support and overcomes dished spring assembly
Elastic force and the pull bar pushing mechanism of movement；The spindle drive of drive shaft rotation is provided with support.
When using, the pull bar in rod assembly pulls pulling claw in the presence of dished spring assembly so that pulling claw is along main shaft axial direction
It is mobile, radial contraction while pulling claw is moved axially and promptly stretch into the blind rivet in pulling claw, and blind rivet is integrally fixed at and is provided with knife
On the knife bar of tool, so, knife bar is just moved axially and coordinated with the taper hole on main shaft, realizes the fixation of knife bar and main shaft.It is logical
Cross spindle drive drive shaft, knife bar to rotate, cutter just carries out cutting operation to workpiece.
The main deficiency of existing main axle unit is：Only main shaft can be turned round under the drive of spindle drive,
Can be swung relative to support without other parts, limit its range of work.
The content of the invention
The purpose of this technology is to provide a kind of sleeve for being additionally arranged and being swung relative to spindle drum, and clever structure uses scope
Wide main axle unit.
The main axle unit of this technology, including spindle drum, the main shaft being rotatably arranged on spindle drum；Main shaft is that one end has cone
The hollow shaft in hole；Rod assembly is provided with main shaft；Rod assembly includes pull bar, is sleeved on the dished spring assembly of pull bar periphery；
Pull bar is being connected with pulling claw near one end of taper hole, and in normality, pull bar pulls pulling claw to cause that pulling claw is in radially to dished spring assembly
The state of contraction；Be provided with spindle drum pushing drawing rod overcome dished spring assembly elastic force and the pull bar pushing mechanism of movement；It
Also include a sleeve coaxial with main shaft, main axis are arranged in sleeve, and sleeve is rotatably arranged on spindle drum；In main shaft
Drive sleeve is provided with seat relative to the sleeve drive mechanism that spindle drum is rotated；Drive shaft is provided with spindle drum relative
In the spindle drive that spindle drum is rotated.
Above-mentioned main axle unit, sleeve drive mechanism includes the worm gear being looped around on sleeve, and the rotation with worm gear sets
The worm screw on spindle drum is put, the servomotor for driving worm screw to rotate.Can be with the rotation of precise control worm screw by servomotor
Angle, so as to control the rotational angle of worm gear and sleeve.In addition, worm and gear self-locking effect is good, when servomotor is not rotated,
The rotation of sleeve can effectively be prevented.
Above-mentioned main axle unit, spindle drive includes being arranged on the belt pulley of main shaft one end, is arranged on spindle drum
Spindle motor, between spindle motor and belt pulley pass through belt transmission.
In this technology, the attachment structure of rod assembly, pulling claw, pull bar pushing mechanism, pull bar and main shaft belongs to prior art,
Knife bar can be fixed with main shaft by rod assembly, drive knife bar to rotate by main shaft.Certainly, by pull bar pushing mechanism,
Can reverse pushing drawing rod, radial dilatation while pulling claw is moved axially, release is fixed on the blind rivet on knife bar, thus may be used
More changing knife rod.
The beneficial effect of this main axle unit：By sleeve drive mechanism, can be swung relative to spindle drum with drive sleeve.This
Sample can drive the parts that the workpiece or other needs that need processing swing to swing by sleeve, expand main axle unit
Function is wide using scope.Due to the main shaft with rod assembly and with taper hole, so this main axle unit can be cut from different
Cut unit（Such as handle of a knife of Digit Control Machine Tool, grinding unit, milling unit）Coordinated, as long as cutting unit has matching somebody with somebody with taper hole
The taper-shank arbor of conjunction and be fixed on taper-shank arbor with pulling claw coordinate blind rivet, therefore this main axle unit it may be said that standard
Part, the cutting unit matched with this main axle unit can be exchanged, and expand the application and the range of work of this main axle unit.Meanwhile,
This main axle unit clever structure, small volume, dependable performance.
Above-mentioned main axle unit, is provided with workpiece pulling mechanism on spindle drum, and workpiece pulling mechanism includes at least two
Drag hook for hooking workpiece, drives drag hook in the drag hook drive mechanism moved parallel to main-shaft axis direction；In sleeve end face
It is provided with the positioner positioned in the circumferential direction of the line centered on main-shaft axis to workpiece；Drag hook hooks workpiece,
Drag hook drive mechanism drives workpiece to be moved along main-shaft axis by drag hook so that workpiece is clamped in sleeve end face.
By sleeve drive mechanism, can be swung relative to spindle drum with drive sleeve.Can so be driven by sleeve is needed
The parts that the workpiece to be processed or other needs swing swing, and expand the function of main axle unit, wide using scope.Due to
Main shaft with rod assembly and with taper hole, so this main axle unit can be from different cutting units（Such as Digit Control Machine Tool
Handle of a knife, such as grinding unit, milling unit）Coordinated, as long as cutting unit has the taper-shank arbor and fixation coordinated with taper hole
On taper-shank arbor with pulling claw coordinate blind rivet, therefore this main axle unit it may be said that standard component, with this main axle unit phase
The cutting unit matched somebody with somebody can be exchanged, and expand the application and the range of work of this main axle unit.So this main axle unit highly versatile,
Can be described as a kind of modular unit.This main axle unit, clever structure, small volume, dependable performance wide using scope.Needs are unloaded
During lower or replacing cutting unit, by pull bar pushing mechanism, reverse pushing drawing rod radially expands while pulling claw is moved axially
, release is fixed on the blind rivet on taper-shank arbor, thus detachable lower cutting unit.
Above-mentioned main axle unit, drag hook is hinged with drag hook drive mechanism, when being connected with normality between drag hook and spindle drum
So that drag hook swings around hinged place and causes that drag hook departs from the flexible member of workpiece.In the action of drag hook drive mechanism, drag hook is unclamped
When, flexible member enables to drag hook to be swung around hinged place and depart from workpiece, when such drag hook need not hook workpiece, elasticity unit
Part can automatically cause that drag hook swings and unclamps workpiece, and operation more facilitates.
Improved as the one kind to above-mentioned machining cell, flexible member causes drag hook around hinged place in the footpath of main shaft during normality
Cause that drag hook departs from workpiece to the outside side oscillation in direction；It also includes that one swings tune along the drag hook that main-shaft axis direction is moved
Section ring flat-plate；Drag hook is passed through from drag hook oscillation adjustment ring flat-plate；When drag hook hooks workpiece, workpiece is clamped at when in sleeve end face,
Drag hook is contacted with the inner peripheral surface of drag hook oscillation adjustment ring flat-plate and prevents drag hook from departing from workpiece.Drag hook oscillation adjustment ring flat-plate can be limited
The swing of drag hook, when the outside side oscillation of drag hook is not needed, drag hook oscillation adjustment ring flat-plate is moved to drag hook hook along main-shaft axis
Firmly at the location of workpiece, because drag hook is contacted with the medial surface of drag hook oscillation adjustment ring flat-plate, drag hook can not outwards side oscillation, locate all the time
In the state for hooking workpiece, it is ensured that security.Need unclamp drag hook when, it is necessary to first move drag hook oscillation adjustment ring flat-plate so that
Drag hook oscillation adjustment ring flat-plate will not hinder drag hook to laterally rotate, and so, when drag hook drive mechanism is moved backward, drag hook is in bullet
Property element in the presence of just swing out automatically, unclamp workpiece.That is, when drag hook hooks workpiece, workpiece is clamped at set
When on cylinder end face, drag hook is contacted with the inner peripheral surface of drag hook oscillation adjustment ring flat-plate and prevents drag hook from departing from workpiece；Need to unclamp drag hook
When, drag hook oscillation adjustment ring flat-plate is moved relative to drag hook, and the inner peripheral surface of drag hook oscillation adjustment ring flat-plate will not hinder drag hook in elasticity
Swung in the presence of element.
In order to when drag hook is unclamped, reduce the displacement in main-shaft axis direction of drag hook oscillation adjustment ring flat-plate, or
In order to unclamp drag hook in the case where drag hook oscillation adjustment ring flat-plate is not moved, above-mentioned machining cell, drag hook passes through guide post
It is connected with drag hook drive mechanism, drag hook and drag hook drive mechanism are hinged with guide post；Guide post is slidably arranged in positioned at main shaft
In the angled guide groove of on seat and main-shaft axis；Drag hook drive mechanism is acted, and drives guide post to be moved along guide groove, is drawn
It is hooked under the drive of guide post and flexible member while being moved parallel to main-shaft axis direction, around guide post in the footpath of main shaft
Swung to direction.Because with the guide groove angled with main-shaft axis, drag hook is under the drive of drag hook drive mechanism flat
While main-shaft axis direction is moved, the radial direction around guide post in main shaft swings row, so when needing to unclamp drag hook,
Drag hook oscillation adjustment ring flat-plate only needs to be moved relative to drag hook the distance of very little, and not moving even will not also hinder the pendulum of drag hook
It is dynamic.When drag hook oscillation adjustment ring flat-plate is moved, additionally it is possible to corresponding with the position that drag hook hooks workpiece, prevent drag hook from departing from workpiece.
Described machining cell, drag hook oscillation adjustment ring flat-plate is connected with it is driven along the ring flat-plate drive mechanism that main-shaft axis direction is moved.
Improved as to above-mentioned machining cell is another, flexible member causes drag hook around hinged place in the footpath of main shaft during normality
Cause that drag hook departs from workpiece to the outside side oscillation in direction；It also includes drag hook oscillation adjustment ring flat-plate；Drag hook swings from drag hook and adjusts
Passed through in section ring flat-plate；When drag hook hooks workpiece, workpiece is clamped at when in sleeve end face, drag hook and drag hook oscillation adjustment ring flat-plate
Inner peripheral surface is contacted and prevents drag hook from departing from workpiece；Drag hook is connected by guide post with drag hook drive mechanism, and drag hook and drag hook drive
Mechanism is hinged with guide post；Guide post is slidably arranged in the angled guide groove of on spindle drum and main-shaft axis
In；Drag hook drive mechanism is acted, and drives guide post to be moved along guide groove, and drag hook is under drive of the guide post with flexible member parallel
While main-shaft axis direction is moved, the radial direction around guide post in main shaft swings.Due to with main-shaft axis into
Determine the guide groove of angle, drag hook under the drive of drag hook drive mechanism while being moved parallel to main-shaft axis direction, around guiding
Bar swings in the radial direction of main shaft, so when needing to unclamp drag hook, being fixed on the drawing do not moved on spindle drum or workpiece
Hook oscillation adjustment ring flat-plate will not hinder the swing of drag hook.It is, of course, preferable to, drag hook oscillation adjustment ring flat-plate is moved along main-shaft axis direction
It is dynamic.When drag hook oscillation adjustment ring flat-plate is moved, additionally it is possible to corresponding with the position that drag hook hooks workpiece, prevent drag hook from departing from workpiece.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of main axle unit.
Fig. 2 is the partial perspective view of the main axle unit of Fig. 1.
Fig. 3 is the schematic diagram of outer milling unit.
Fig. 4 is the schematic diagram of interior milling unit.
Fig. 5 is machining cell（Main axle unit+outer milling unit）Schematic diagram.
Fig. 6 is the partial perspective view of the outer milling unit in Fig. 5.
Fig. 7 is the schematic diagram of main axle unit.
Fig. 8 is the stereogram of main axle unit.
Fig. 9 is the schematic perspective views such as drag hook, drag hook driving oil cylinder in main axle unit.
Figure 10 is machining cell（Main axle unit+interior milling unit+support unit）Schematic diagram.
Figure 11 is the partial perspective view of main axle unit and interior milling unit.
Figure 12 is the partial perspective view of interior milling unit.
Figure 13 is the schematic diagram of support unit.
Figure 14 is the enlarged drawing of drag hook, thrust bearing in Figure 10 etc..
Figure 15 is the partial enlarged drawing that the support unit in Figure 10 is connected with interior milling unit..
Specific embodiment
This technology is described further with reference to the accompanying drawings and detailed description.
Embodiment 1:Main axle unit (actuating unit+swing mechanism)
Referring to the main axle unit 1 shown in Fig. 1,2, main shaft 12 is rotatably arranged on the sleeve 15 coaxial with main shaft by bearing
Interior, sleeve is rotatably arranged on spindle drum 11 by bearing.Drive sleeve is provided with spindle drum to be rotated relative to spindle drum
Sleeve drive mechanism 16 and drive shaft relative to the spindle drive 17 that spindle drum is rotated.Sleeve drive mechanism 16 includes
The worm gear 161 on sleeve is looped around, the worm screw 162 being rotatably arranged on spindle drum with worm gear drives what worm screw rotated
Servomotor 163.
Spindle drive 17 includes the belt pulley 171 for being arranged on main shaft one end, the spindle motor being arranged on spindle drum
172, it is driven by belt 173 between spindle motor and belt pulley.
Main shaft has the hollow shaft of taper hole 121 for one end.Rod assembly 13 is provided with main shaft.Rod assembly includes drawing
Bar 131, the dished spring assembly 132 for being sleeved on pull bar periphery；Pull bar is being connected with pulling claw 133, dished spring assembly near one end of taper hole
In normality, pull bar pulls pulling claw to cause that pulling claw is in the state of radial contraction.Pushing drawing rod is provided with spindle drum to overcome
The elastic force of dished spring assembly and the pull bar pushing mechanism of movement（Such as cylinder）14.
The beneficial effect of this main axle unit：By sleeve drive mechanism, can be swung relative to spindle drum with drive sleeve.This
Sample can drive the parts that the workpiece or other needs that need processing swing to swing by sleeve, expand main axle unit
Function is wide using scope.Due to the main shaft with rod assembly and with taper hole, so this main axle unit can be cut from different
Cut unit（Such as handle of a knife of Digit Control Machine Tool, such as grinding unit, milling unit）Coordinated, as long as cutting unit has and taper hole
The taper-shank arbor of cooperation and be fixed on taper-shank arbor with pulling claw coordinate blind rivet, therefore this main axle unit it may be said that standard
Part, the cutting unit matched with this main axle unit can be exchanged, and expand the application and the range of work of this main axle unit.So this
Main axle unit highly versatile, it may be said that be a kind of modular unit.This main axle unit, clever structure, volume wide using scope
It is small, dependable performance.
When needs are unloaded or change cutting unit, by pull bar pushing mechanism, reverse pushing drawing rod, pulling claw is moved axially
While radial dilatation, release is fixed on blind rivet on taper-shank arbor, thus detachable lower cutting unit.
Embodiment 2:Main axle unit (actuating unit+swing mechanism+drag hook+drag hook limiting plate）.
Main axle unit described in embodiment 2 is that locating piece 18, the and of workpiece pulling mechanism 2 are increased on the basis of embodiment 1
Drag hook swing regulation mechanism 3.Referring to Fig. 7-9, workpiece pulling mechanism is provided with spindle drum, workpiece pulling mechanism 2 includes two
The individual drag hook 21 for hooking workpiece, drag hook drives oil cylinder 22；Drag hook drives the cylinder body of oil cylinder 2 to be hinged on spindle drum.
Drag hook upper end and drag hook drive the piston rod of oil cylinder 2 to be hinged with guide post 24, and guide post is slidably arranged in and is located at
In the angled guide groove 25 of on spindle drum and main-shaft axis.Normality is connected between drag hook middle and upper part and spindle drum
When cause drag hook around with guide post hinged place swing extension spring 26.
Drag hook swing regulation mechanism 3 includes drag hook oscillation adjustment ring flat-plate 31, drives drag hook oscillation adjustment ring flat-plate 31 along main shaft
Two ring flat-plates of axis direction movement drive oil cylinder 32.Ring flat-plate drives the cylinder body of oil cylinder 32 to be arranged on spindle drum, its piston rod
It is connected with drag hook oscillation adjustment ring flat-plate 31.There are two rollers 33 inner side of drag hook oscillation adjustment ring flat-plate 31, and drag hook swings from drag hook
Passed through in regulation ring flat-plate.In the presence of the 26 of extension spring, the outside 211 of drag hook keeps contacting all the time with roller.
Sleeve end face upper fixing end lid 19, is provided with to workpiece in the circumference side of the line centered on main-shaft axis on end cap 19
Two locating pieces of projection 18 for being positioned upwards.
After workpiece is positioned centered on the main-shaft axis by two locating pieces in the circumferential direction of line, drag hook drives oil cylinder to move
Make, its piston rod is moved up, drive guide post to be moved along guide groove, drag hook upper end is being displaced outwardly upwards；Meanwhile, ring flat-plate drives
Oil cylinder 32 is acted, and drives drag hook oscillation adjustment ring flat-plate 31 to move down, due to spacing on the outside of pair of rollers drag hook, the lower end of drag hook
Can only move inward upwards.So, drag hook swings while being moved axially along main shaft in the radial direction of main shaft, two drawings
The lower end of hook is just mutually drawn close and hooks workpiece and drive workpiece to move up so that workpiece is clamped in sleeve end face.
When needing to unclamp workpiece, drag hook drives cylinder action, its piston rod to move down, and drives guide post to be moved along guide groove
Dynamic, drag hook upper end moves inward downwards；Meanwhile, ring flat-plate drives oil cylinder 32 to act, and drives drag hook oscillation adjustment ring flat-plate 31 upward
Mobile, due to the effect of extension spring, the lower end of drag hook is displaced outwardly while moving down（Roller all the time with the outer side joint of drag hook
Touch）, so, drag hook swings while being moved axially along main shaft in the radial direction of main shaft, and two lower ends of drag hook are just mutual
Away from and unclamp workpiece, workpiece can move down.
Swung relative to spindle drum by sleeve drive mechanism drive sleeve, sleeve just rotates certain angle around main-shaft axis
Degree, because locating piece is in sleeve end face, locating piece is to be rotated certain angle.So by the positioning of locating piece, workpiece is just
Equivalent to being positioned again after being turned an angle around main-shaft axis.During workpiece is positioned again, main shaft is still drawing
Be integrally fixed with taper-shank arbor in the presence of bar assembly, and main shaft and taper-shank arbor need not be come off, while easy to operate, also without
Need to again to knife, it is ensured that machining accuracy.
Embodiment 3：Machining cell（Main axle unit+outer milling unit）
Shown in Figure 3, this machining cell mainly includes main axle unit 1, outer milling unit 4.
Referring to Fig. 7-9, main axle unit 1 mainly includes sleeve drive mechanism 16, spindle drive 17, housing pulling mechanism
2 and drag hook swing regulation mechanism 3.
Main shaft 12 is rotatably arranged in the sleeve 15 coaxial with main shaft by bearing, and sleeve is rotatably arranged on master by bearing
On axle bed 11.Drive sleeve is provided with spindle drum relative to the sleeve drive mechanism 16 and drive shaft phase that spindle drum is rotated
For the spindle drive 17 that spindle drum is rotated.Sleeve drive mechanism 16 includes the worm gear 161 being looped around on sleeve, with worm gear
The worm screw 162 being rotatably arranged on spindle drum for coordinating, the servomotor 163 for driving worm screw to rotate.
Spindle drive 17 includes the belt pulley 171 for being arranged on main shaft one end, the spindle motor being arranged on spindle drum
172, belt transmission is passed through between spindle motor and belt pulley.
Main shaft has the hollow shaft of taper hole 121 for one end.Rod assembly 13 is provided with main shaft.Rod assembly includes drawing
Bar 131, the dished spring assembly 132 for being sleeved on pull bar periphery；Pull bar is being connected with pulling claw 133, dished spring assembly near one end of taper hole
In normality, pull bar pulls pulling claw to cause that pulling claw is in the state of radial contraction.Pushing drawing rod is provided with spindle drum to overcome
The elastic force of dished spring assembly and the pull bar pushing mechanism of movement（Such as cylinder）14.
Housing pulling mechanism is provided with spindle drum, housing pulling mechanism 2 includes that two are used to hook on housing 45
The drag hook 21 of flange 413, drag hook drives oil cylinder 22；Drag hook drives the cylinder body of oil cylinder 2 to be hinged on spindle drum.
Drag hook upper end and drag hook drive the piston rod of oil cylinder to be hinged with guide post 24, and guide post is slidably arranged in positioned at master
In the angled guide groove 25 of on axle bed and main-shaft axis.When being connected with normality between drag hook middle and upper part and spindle drum
So that the extension spring 26 that drag hook swings around the hinged place with guide post.
Drag hook swing regulation mechanism 3 includes drag hook oscillation adjustment ring flat-plate 31, drives drag hook oscillation adjustment ring flat-plate 31 along main shaft
Two ring flat-plates of axis direction movement drive oil cylinder 32.Ring flat-plate drives the cylinder body of oil cylinder 32 to be arranged on spindle drum, its piston rod
It is connected with drag hook oscillation adjustment ring flat-plate 31.There are two rollers 33 inner side of drag hook oscillation adjustment ring flat-plate 31, and drag hook swings from drag hook
Passed through in regulation ring flat-plate.In the presence of the 26 of extension spring, the outside 211 of drag hook keeps contacting all the time with roller.
Sleeve end face upper fixing end lid 19, is provided with to housing in the circumference side of the line centered on main-shaft axis on end cap 19
Two locating pieces of projection 18 for being positioned upwards.
Referring to Fig. 3,6, in outer milling unit 4, taper-shank arbor 41, transition axis 42, output shaft 43 are rotated by bearing and set
On housing 45, transition axis is parallel with output shaft.Pass through the engaged transmission of bevel-gear sett 47 between transition axis and taper-shank arbor.Transition
Pass through a pair of engaged transmissions of gear 48 between axle and output shaft.Multiple outer milling cutters 44 are set on the periphery of output shaft.Housing upper
With flange 413.
Taper-shank arbor upper end is fixed with the blind rivet that can extend into pulling claw in cone upper end with cone 411 is coordinated with taper hole
46。
Taper-shank arbor axis is intersected vertically with output shaft axis, and multiple outer milling cutters 44 are located on a cross section of output shaft, should
Cross section and taper-shank arbor axis co-planar.Two are provided with the housing end face relative with the end cap 19 being fixed in sleeve end face
Groove 451 corresponding with locating piece.When locating piece 18 is extend into groove 451, the week of housing line centered on main-shaft axis
To being positioned on direction.
Referring to Fig. 5,6, there are two lug bosses extended parallel to main-shaft axis on the main shaft end face of the both sides of taper hole 121
122；Two recess 412 corresponding with lug boss 122 are provided with the taper-shank arbor of the both sides of cone 411.When cone is matched somebody with somebody with taper hole
During conjunction, lug boss stretches into recess and coordinates with recess.Main shaft is by lug boss to recess transmitting torque so that taper-shank arbor
Rotate, to overcome main shaft to pass through the taper hole 121 and the less deficiency of the transmitting torque of cone 411 of cooperation.
When using, blind rivet stretches into pulling claw, pulls blind rivet to cause the cone of taper-shank arbor and the taper hole of main shaft by rod assembly
Coordinate, taper-shank arbor forms one with main shaft, while the corresponding recess 412 of lug boss 122.Locating piece 18 is stretched into groove 451,
Housing is positioned centered on the main-shaft axis by two locating pieces in the circumferential direction of line, and drag hook drives cylinder action, its piston rod
Move up, drive guide post to be moved along guide groove, drag hook upper end is being displaced outwardly upwards；Meanwhile, ring flat-plate drives oil cylinder 32 to act,
Drive drag hook oscillation adjustment ring flat-plate 31 to move down, due to spacing on the outside of pair of rollers drag hook, the lower end of drag hook can only upwards to
Interior movement.So, drag hook swings while being moved axially along main shaft in the radial direction of main shaft, and two lower ends of drag hook are just
Mutually draw close and hook housing and drive housing to move up so that housing is clamped in sleeve end face.By main shaft drives
Mechanism drive shaft, taper-shank arbor, output shaft rotation successively, the outer milling cutter on output shaft are just turned round, and realize cutting movement.
When needing to swing outer milling unit in the circumferential direction of the line centered on main-shaft axis, drag hook drives oil cylinder to move
Make, its piston rod is moved down, drive guide post to be moved along guide groove, drag hook upper end moves inward downwards；Meanwhile, ring flat-plate drives
Oil cylinder 32 is acted, and drives drag hook oscillation adjustment ring flat-plate 31 to move up, and due to the effect of extension spring, the lower end of drag hook is moving down
While be displaced outwardly（Roller all the time with drag hook contact outside）, so, drag hook while being moved axially along main shaft, in main shaft
Radial direction swing, the lower end of two drag hooks is just located remotely from each other and unclamps housing.
Swung relative to spindle drum by sleeve drive mechanism drive sleeve, sleeve just rotates certain angle around main-shaft axis
Degree, because locating piece is located on the end cap being fixed in sleeve end face, locating piece is to be rotated certain angle.So by positioning
The positioning of block, housing be equivalent to around main-shaft axis turn an angle after be positioned again.The process that housing is positioned again
In, main shaft is still integrally fixed in the presence of rod assembly with taper-shank arbor, and main shaft and taper-shank arbor need not be come off, operation
It is convenient.During housing into rotation, housing and output shaft are rotated around main-shaft axis together, and output shaft axis keeps with main-shaft axis all the time
Vertically, the cross section where the outer milling cutter of multiple on output shaft is coplanar with main-shaft axis all the time, so, the center of rotating surface of milling cutter
Point（The intersection point of output shaft axis and main-shaft axis）Position is constant（It may also be said that height of the outer milling cutter relative to workpiece to be machined
It is constant）, that is to say, that without that can be processed to knife again after housing and output shaft rotation, it is ensured that machining accuracy.
Embodiment 4：Machining cell（Main axle unit+interior milling unit+support unit）
Shown in Figure 10, this machining cell mainly includes main axle unit 1, interior milling unit 5, support unit 6.
Referring to Fig. 7-9,11,12, main axle unit 1 mainly includes that sleeve drive mechanism 16, spindle drive 17, housing are drawn
Motivation structure 2, drag hook swing regulation mechanism 3.
Main shaft 12 is rotatably arranged in the sleeve 15 coaxial with main shaft by bearing, and sleeve is rotatably arranged on master by bearing
On axle bed 11.Drive sleeve is provided with spindle drum relative to the sleeve drive mechanism 16 and drive shaft phase that spindle drum is rotated
For the spindle drive 17 that spindle drum is rotated.Sleeve drive mechanism 16 includes the worm gear 161 being looped around on sleeve, with worm gear
The worm screw 162 being rotatably arranged on spindle drum for coordinating, the servomotor 163 for driving worm screw to rotate.
Spindle drive 17 includes the belt pulley 171 for being arranged on main shaft one end, the spindle motor being arranged on spindle drum
172, belt transmission is passed through between spindle motor and belt pulley.
Main shaft has the hollow shaft of taper hole 121 for one end.Rod assembly 13 is provided with main shaft.Rod assembly includes drawing
Bar 131, the dished spring assembly 132 for being sleeved on pull bar periphery；Pull bar is being connected with pulling claw 133, dished spring assembly near one end of taper hole
In normality, pull bar pulls pulling claw to cause that pulling claw is in the state of radial contraction.Pushing drawing rod is provided with spindle drum to overcome
The elastic force of dished spring assembly and the pull bar pushing mechanism of movement（Such as cylinder）14.
Housing pulling mechanism is provided with spindle drum, housing pulling mechanism 2 includes that two are used to hook the method on housing
Blue 513 drag hook 21, drag hook drives oil cylinder 22；Drag hook drives the cylinder body of oil cylinder 2 to be hinged on spindle drum.
Drag hook upper end and drag hook drive the piston rod of oil cylinder to be hinged with guide post 24, and guide post is slidably arranged in positioned at master
In the angled guide groove 25 of on axle bed and main-shaft axis.When being connected with normality between drag hook middle and upper part and spindle drum
So that the extension spring 26 that drag hook swings around the hinged place with guide post.
Drag hook swing regulation mechanism 3 includes drag hook oscillation adjustment ring flat-plate 31, drives drag hook oscillation adjustment ring flat-plate 31 along main shaft
Two ring flat-plates of axis direction movement drive oil cylinder 32.Ring flat-plate drives the cylinder body of oil cylinder 32 to be arranged on spindle drum, its piston rod
It is connected with drag hook oscillation adjustment ring flat-plate 31.There are two rollers 33 inner side of drag hook oscillation adjustment ring flat-plate 31, and drag hook swings from drag hook
Passed through in regulation ring flat-plate.In the presence of the 26 of extension spring, the outside 211 of drag hook keeps contacting all the time with roller.
Sleeve end face upper fixing end lid 19, is provided with to housing in the circumference side of the line centered on main-shaft axis on end cap 19
Two locating pieces of projection 18 for being positioned upwards.
Referring to Fig. 4,12, in interior milling unit 5, taper-shank arbor 51, transition axis 52, bridge shaft 58, output shaft 53 pass through axle
Hold and be rotatably arranged on housing 55, transition axis is parallel with output shaft.Nibbled by bevel-gear sett 57 between transition axis and taper-shank arbor
Close transmission.The periphery of output shaft is fixed with output gear 501, and one end of transition axis is fixed with transition gear 502, on bridge shaft 58
It is fixed with carrier gear 503.Carrier gear 503 is engaged with output gear 501, transition gear 502 respectively.Output shaft is hollow
Axle, sets milling cutter 54 in multiple on the inwall of output shaft.
Taper-shank arbor upper end is fixed with the blind rivet that can extend into pulling claw in cone upper end with cone 511 is coordinated with taper hole
56。
Taper-shank arbor axis is intersected vertically with output shaft axis, and multiple interior milling cutters 54 are located on a cross section of output shaft, should
Cross section and taper-shank arbor axis co-planar.Two are provided with the housing end face relative with the end cap 19 being fixed in sleeve end face
Groove 551 corresponding with locating piece.When locating piece 18 is extend into groove 551, the week of housing line centered on main-shaft axis
To being positioned on direction.
There are two lug bosses 122 extended parallel to main-shaft axis on the main shaft end face of the both sides of taper hole 121；In cone
Two recess 512 corresponding with lug boss 122 are provided with the taper-shank arbor of 511 both sides.When cone and taper hole coordinate, lug boss
Stretch into recess and coordinate with recess.Main shaft is by lug boss to recess transmitting torque so that taper-shank arbor is rotated, to overcome
Taper hole 121 and the less deficiency of the transmitting torque of cone 511 that main shaft passes through cooperation.
Referring to Figure 13, support unit 6 is included the support base 61 being arranged on spindle drum, setting support base is rotated by bearing
On, the support set 62 that one end has conical bore 621, the rod assembly 63 that is arranged in support set.Rod assembly includes pull bar
631st, it is sleeved on the dished spring assembly 632 of pull bar periphery；Pull bar is being connected with pulling claw 633 near one end of conical bore.In support base
On be provided with pushing drawing rod overcome dished spring assembly elastic force and the pull bar pushing mechanism of movement（Such as cylinder）64.
A support column 59 with the outer cone 591 coordinated with conical bore 621 is also set up on housing, on support column 59
It is fixed with the blind rivet 634 that can extend into pulling claw 633.The support column is coaxial with taper-shank arbor.The cone of outer cone 591 and cone 511
Degree is identical, but in the opposite direction.
Blind rivet 634 is stretched into pulling claw 633, pulls blind rivet 634 by the pulling claw of rod assembly 63 so that with conical bore
Support set cooperatively forms one with the support column with outer cone.
Referring to Figure 10, there is a flange 513 in the housing upper end end relative with sleeve.Relative with sleeve end face
The flange back side be provided with thrust bearing 7, when drag hook hooks thrust bearing, housing can be with main shaft by the thrust bearing
The circumferential direction of line is rotated relative to drag hook centered on axis.
When using, the blind rivet 56 being fixed on taper-shank arbor stretches into pulling claw 133, pulls blind rivet 56 to cause by rod assembly 13
The cone of taper-shank arbor coordinates with the taper hole of main shaft, and taper-shank arbor forms one with main shaft, while the corresponding recess of lug boss 122
512.Locating piece 18 is stretched into groove 551, and housing is positioned centered on the main-shaft axis by two locating pieces in the circumferential direction of line,
Drag hook drives cylinder action, its piston rod to move up, and drives guide post to be moved along guide groove, and drag hook upper end is being moved out upwards
It is dynamic；Meanwhile, ring flat-plate drives oil cylinder 32 to act, and drives drag hook oscillation adjustment ring flat-plate 31 to move down, due to pair of rollers drag hook outside
It is spacing, the lower end of drag hook can only move inward upwards.So, drag hook is along main shaft while moving axially, in the footpath of main shaft
Swung to direction, the lower end of two drag hooks is just mutually drawn close and hooks the thrust bearing on the flange back side and drive housing to move upwards
It is dynamic so that housing is clamped in sleeve end face.
Then, mobile support unit so that the blind rivet 634 on support column is stretched into the pulling claw 633 of rod assembly 63, is passed through
The pulling claw of rod assembly 63 pulls blind rivet 634 so that the support set with conical bore is cooperatively formed with the support column with outer cone
Integrally.Then support unit is fixed, support base forms reliable Auxiliary support with regard to the housing of internal milling unit, is enhanced interior
Milling unit reduces interior milling unit perpendicular to the direction of main-shaft axis in the rigidity on the direction of main-shaft axis
On deformation, improve machining accuracy.Because support set is rotatably arranged on support base, so working as sleeve drive mechanism actuating sleeve
Cylinder, housing etc. around main-shaft axis swing when, support set just swings with housing, will not hinder the swing of housing.
By spindle drive successively drive shaft, taper-shank arbor, output shaft rotation, the interior milling cutter on output shaft is just
Revolution, realizes cutting movement.
Due to having thrust bearing between drag hook and flange, so in the case where drag hook hooks thrust bearing, flange
（And housing）Still can be rotated around main-shaft axis relative to drag hook.Therefore, when needs are in the week of the line centered on main-shaft axis
When being swung up interior milling unit to side, the drag hook of flange is hooked without unclamping, housing by drag hook hook and and sleeve end face
In the case of keeping contact, can be directly by sleeve drive mechanism drive sleeve relative to spindle drum swing, sleeve and housing
Just turned an angle around main-shaft axis, operation more facilitates.During the spindle swing, main shaft still exists for sleeve and housing
It is integrally fixed with taper-shank arbor in the presence of rod assembly, and main shaft and taper-shank arbor need not be come off, it is easy to operate.Housing into rotation
When, housing and output shaft are rotated around main-shaft axis together, and output shaft axis is vertical with main-shaft axis holding all the time, on output shaft
Multiple in cross section where milling cutter it is coplanar with main-shaft axis all the time, so, the central point of rotating surface of milling cutter（Output shaft axis
With the intersection point of main-shaft axis）Position is constant（It may also be said that interior milling cutter is highly constant relative to workpiece to be machined）, that is,
Say, without that can be processed to knife again after housing and output shaft rotation, it is ensured that machining accuracy.
Claims (5)
1. main axle unit, including spindle drum, the main shaft being rotatably arranged on spindle drum；Main shaft has the hollow of taper hole for one end
Axle；Rod assembly is provided with main shaft；Rod assembly includes pull bar, is sleeved on the dished spring assembly of pull bar periphery；Pull bar is being leaned on
One end of nearly taper hole is connected with pulling claw, and in normality, pull bar pulls pulling claw to cause that pulling claw is in the shape of radial contraction to dished spring assembly
State；Be provided with spindle drum pushing drawing rod overcome dished spring assembly elastic force and the pull bar pushing mechanism of movement；It is characterized in that：It
Also include a sleeve coaxial with main shaft, main axis are arranged in sleeve, and sleeve is rotatably arranged on spindle drum；In main shaft
Drive sleeve is provided with seat relative to the sleeve drive mechanism that spindle drum is rotated；Drive shaft is provided with spindle drum relative
In the spindle drive that spindle drum is rotated；
Workpiece pulling mechanism is provided with spindle drum, workpiece pulling mechanism includes at least two drag hooks for being used to hook workpiece,
Drag hook is driven in the drag hook drive mechanism moved parallel to main-shaft axis direction；It is provided with to workpiece with main shaft in sleeve end face
The positioner positioned in the circumferential direction of line centered on axis；
Drag hook hooks workpiece, and drag hook drive mechanism drives workpiece to be moved along main-shaft axis by drag hook so that workpiece is clamped at
In sleeve end face；
Drag hook is hinged with drag hook drive mechanism, so that drag hook swings around hinged place when being connected with normality between drag hook and spindle drum
And cause that drag hook departs from the flexible member of workpiece；During normality flexible member cause drag hook around hinged place main shaft radial direction to
Outer side oscillation and cause drag hook depart from workpiece；
It also includes a drag hook oscillation adjustment ring flat-plate moved along main-shaft axis direction；Drag hook is from drag hook oscillation adjustment ring flat-plate
Pass through；When drag hook hooks workpiece, workpiece is clamped in sleeve end face, and drag hook is contacted with the inner peripheral surface of drag hook oscillation adjustment ring flat-plate
And prevent drag hook from departing from workpiece.
2. main axle unit as claimed in claim 1, it is characterized in that：Sleeve drive mechanism includes the worm gear being looped around on sleeve,
With the worm screw being rotatably arranged on spindle drum of worm gear, the servomotor for driving worm screw to rotate.
3. main axle unit as claimed in claim 1, it is characterized in that：Spindle drive includes being arranged on the belt of main shaft one end
The spindle motor taken turns, be arranged on spindle drum, passes through belt transmission between spindle motor and belt pulley.
4. main axle unit as claimed in claim 1, it is characterized in that：Drag hook is connected by guide post with drag hook drive mechanism, is drawn
Hook and drag hook drive mechanism are hinged with guide post；Guide post is slidably arranged on spindle drum and main-shaft axis into
In determining the guide groove of angle；Drag hook drive mechanism is acted, and drives guide post to be moved along guide groove, and drag hook is in guide post and flexible member
Under drive while being moved parallel to main-shaft axis direction, the radial direction around guide post in main shaft swings.
5. main axle unit as claimed in claim 4, it is characterized in that：Drag hook oscillation adjustment ring flat-plate with drive its along main-shaft axis side
It is connected to mobile ring flat-plate drive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251205.7A CN104096864B (en) | 2014-06-07 | 2014-06-07 | Main axle unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251205.7A CN104096864B (en) | 2014-06-07 | 2014-06-07 | Main axle unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104096864A CN104096864A (en) | 2014-10-15 |
| CN104096864B true CN104096864B (en) | 2017-06-16 |
Family
ID=51665627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410251205.7A Expired - Fee Related CN104096864B (en) | 2014-06-07 | 2014-06-07 | Main axle unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104096864B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202377830U (en) * | 2011-12-26 | 2012-08-15 | 黑龙江科技学院 | Clamping device for processing axial impeller and vane |
| CN102962480A (en) * | 2012-11-06 | 2013-03-13 | 广州市昊志机电股份有限公司 | Belt spindle of machine tool |
| CN103639471A (en) * | 2013-12-05 | 2014-03-19 | 郑州大学 | Drilling end actuator for robot |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2158660C1 (en) * | 1999-03-31 | 2000-11-10 | Открытое акционерное общество "ГАЗ" | Spindle assembly |
| JP2009006434A (en) * | 2007-06-27 | 2009-01-15 | Nsk Ltd | Main spindle device and its natural frequency regulating method |
| JP2009241214A (en) * | 2008-03-31 | 2009-10-22 | Jtekt Corp | Main spindle device |
| CN103737408B (en) * | 2013-12-31 | 2016-08-17 | 广州市昊志机电股份有限公司 | A kind of high speed direct-connected main shaft |
| CN203917952U (en) * | 2014-06-07 | 2014-11-05 | 南京旋风数控机床有限公司 | Main axle unit |
-
2014
- 2014-06-07 CN CN201410251205.7A patent/CN104096864B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202377830U (en) * | 2011-12-26 | 2012-08-15 | 黑龙江科技学院 | Clamping device for processing axial impeller and vane |
| CN102962480A (en) * | 2012-11-06 | 2013-03-13 | 广州市昊志机电股份有限公司 | Belt spindle of machine tool |
| CN103639471A (en) * | 2013-12-05 | 2014-03-19 | 郑州大学 | Drilling end actuator for robot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104096864A (en) | 2014-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203266131U (en) | Working platform bringing convenience to workpiece adjustment and corresponding drilling and milling equipment convenient to control | |
| CN109822167A (en) | A kind of full-automatic ring flange circumferential direction drilling equipment | |
| CN109093150A (en) | A kind of processing unit (plant) that the disc flange suitable for plurality of specifications drills | |
| JP2013173201A (en) | Superfinishing device | |
| CN209614877U (en) | Hole drilling positioning fixture is used in a kind of processing of radial drilling machine | |
| CN209598349U (en) | Tapping machine | |
| RU154589U1 (en) | PLANETARY GRINDING HEAD | |
| CN104096864B (en) | Main axle unit | |
| KR101496055B1 (en) | Apparatus for changing drill blade | |
| CN203917952U (en) | Main axle unit | |
| CN205614368U (en) | Frame type work piece holder and have puncher of frame type work piece holder | |
| CN204052934U (en) | Machining cell | |
| CN209664866U (en) | The clamping device of workpiece on a kind of radial drilling machine workbench | |
| CN209140526U (en) | A kind of grinding machine for the finishing of bar outer circle | |
| CN104096865B (en) | Machining cell | |
| CN203265682U (en) | Boring mill for boring ball arced face | |
| CN206047166U (en) | A kind of bench drill of assembling arrangement of clutch | |
| CN106312561B (en) | A kind of pin wheel housing needle perforation clamp for machining | |
| CN214108920U (en) | Drill chuck for building construction | |
| JP6788245B2 (en) | Push stand | |
| CN203509680U (en) | Composite angle deep hole machining device | |
| CN203509708U (en) | Tool changing mechanism with detector | |
| CN112108911A (en) | Workpiece clamp for numerical control machining | |
| CN203918065U (en) | Cutting unit | |
| CN206614254U (en) | A kind of Drilling machines bench adjustable type fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180823 Address after: 211300 1 1 Taoyuan North Road, Gaochun Economic Development Zone, Nanjing, Jiangsu. Patentee after: Nanjing Rui green environmental protection technology Co., Ltd. Address before: 211300 1 1 Taoyuan North Road, Gaochun Economic Development Zone, Nanjing, Jiangsu. Patentee before: Nanjing Xuanfeng Numerical Control Machine Tool Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20190607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |