CN204052934U - Machining cell - Google Patents
Machining cell Download PDFInfo
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- CN204052934U CN204052934U CN201420301447.8U CN201420301447U CN204052934U CN 204052934 U CN204052934 U CN 204052934U CN 201420301447 U CN201420301447 U CN 201420301447U CN 204052934 U CN204052934 U CN 204052934U
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- drag hook
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- sleeve
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Abstract
This technology provides one that cutting tool can be driven overall relative to spindle drum swing, and expand the machining cell of the range of work of machining cell, it comprises main axle unit and cutting unit; In main axle unit, main axis is arranged in sleeve, and sleeve rotates and is arranged on spindle drum; Main shaft is the hollow shaft having taper hole; Rod assembly is had in main shaft; Spindle drum arranges sleeve driving mechanism and spindle drive; In cutting unit, the taper-shank arbor be connected by transmission mechanism and output shaft are all rotated and are arranged on housing; Output shaft arranges cutting tool; Taper-shank arbor one end has cone, and cone has blind rivet; Spindle drum is provided with the housing pulling mechanism be made up of drag hook, drag hook driving mechanism, and rod assembly pulls the blind rivet stretched in pulling claw by pulling claw, and cone is coordinated with taper hole; Drag hook hooks housing, and drag hook driving mechanism drives housing to move by drag hook, and housing is clamped in sleeve end face; Sleeve end face is provided with the positioner that housing is positioned.
Description
Technical field
This technology relates to the machining cell in machining equipment.
Background technology
Current, machining equipment, especially in numerical controlled machinery process equipment, main axle unit comprises support, rotates the main shaft be arranged on support; Main shaft is the hollow shaft that one end has taper hole; Rod assembly is provided with in main shaft; Rod assembly comprises pull bar, is sleeved on the dished spring assembly of pull bar periphery; Pull bar is connected with pulling claw in the one end near taper hole, and dished spring assembly is when normality, and pull bar pulls pulling claw to make pulling claw be in the state of radial contraction; Support is provided with pushing drawing rod and overcomes the elastic force of dished spring assembly and the pull bar pushing mechanism of movement; Support is provided with the spindle drive that drive shaft is rotated.
During use, pull bar in rod assembly pulls pulling claw under the effect of dished spring assembly, pulling claw is moved axially along main shaft, radial contraction while pulling claw moves axially and the blind rivet promptly stretched in pulling claw, and blind rivet is fixed on to be provided with on the knife bar of cutter, like this, knife bar just moves axially and coordinates with the taper hole on main shaft, achieves the fixing of knife bar and main shaft.Rotated by spindle drive drive shaft, knife bar, cutter just carries out cutting operation to workpiece.
The main deficiency of existing main axle unit is: only have main shaft can turn round under the drive of spindle drive, do not have other parts can swing relative to support, limit its range of work.
Summary of the invention
Present technology provides one can drive cutting tool overall relative to spindle drum swing, expands the machining cell of the range of work of machining cell.
Originally it comprises main axle unit and cutting unit;
Main axle unit, comprises spindle drum, rotates the main shaft be arranged on spindle drum; Main shaft is the hollow shaft that one end has taper hole; Rod assembly is provided with in main shaft; Rod assembly comprises pull bar, is sleeved on the dished spring assembly of pull bar periphery; Pull bar is connected with pulling claw in the one end near taper hole, and dished spring assembly is when normality, and pull bar pulls pulling claw to make pulling claw be in the state of radial contraction; Spindle drum is provided with pushing drawing rod and overcomes the elastic force of dished spring assembly and the pull bar pushing mechanism of movement; It is characterized in that: further comprising a sleeve coaxial with main shaft, main axis is arranged in sleeve, and sleeve rotates and is arranged on spindle drum; Spindle drum is provided with the sleeve driving mechanism that drive sleeve is rotated relative to spindle drum; Spindle drum is provided with the spindle drive that drive shaft is rotated relative to spindle drum;
Cutting unit comprises housing, rotates the taper-shank arbor be arranged on housing, rotates the output shaft be arranged on housing; Be connected by transmission mechanism between taper-shank arbor with output shaft; Output shaft arranges cutting tool;
Taper-shank arbor one end has the cone coordinated with taper hole, and cone is fixed with the blind rivet that can extend in pulling claw;
Spindle drum is provided with housing pulling mechanism, and housing pulling mechanism comprises at least two for hooking the drag hook of housing, drives drag hook being parallel to the drag hook driving mechanism of main-shaft axis direction movement;
Blind rivet stretches into pulling claw, and rod assembly pulls blind rivet by pulling claw, and cone is coordinated with taper hole; Drag hook hooks housing, and drag hook driving mechanism drives housing to move along main-shaft axis by drag hook, makes housing be clamped in sleeve end face;
The sleeve end face relative with housing is provided with the positioner that housing is positioned in the circumferential direction of line centered by main-shaft axis.
The beneficial effect of this machining cell: the syndeton of rod assembly, pulling claw, pull bar pushing mechanism, pull bar and main shaft belongs to prior art, can be fixed knife bar and main shaft by rod assembly, drives knife bar to rotate by main shaft.Certainly, by pull bar pushing mechanism, can reverse pushing drawing rod, radial dilatation while pulling claw moves axially, unclamps the blind rivet be fixed on knife bar, so just replaceable knife bar.
During use, pull blind rivet that taper-shank arbor and main shaft are integrally fixed by rod assembly, by sleeve, housing is positioned in the circumferential direction of line centered by main-shaft axis afterwards, housing is hooked again with drag hook, drive drag hook by drag hook driving mechanism, housing is clamped in sleeve end face.By spindle drive successively drive shaft, taper-shank arbor, output shaft rotation, be positioned at the cutting tool just revolution on output shaft, realize cutting movement.When needing to swing whole cutting tool in the circumferential direction of line centered by main-shaft axis, drag hook driving mechanism reverse drive drag hook, drag hook unclamps housing, under the prerequisite that sleeve is located housing, swung relative to spindle drum by sleeve driving mechanism drive sleeve (setting the housing of position with quilt cover), main shaft and cutting unit just together with swing around main-shaft axis relative to spindle drum, just achieve the swing of whole cutting tool.When cutting tool swings, main shaft is still integrally fixed with taper-shank arbor under the effect of rod assembly, and without the need to main shaft and taper-shank arbor are come off, while easy to operate, also without the need to tool setting again, ensure that machining accuracy.When needing unload or change cutting unit, drag hook driving mechanism counteragent, drag hook is made to unclamp housing (no longer hooking housing), again by pull bar pushing mechanism, can reverse pushing drawing rod, radial dilatation while pulling claw moves axially, unclamps the blind rivet be fixed on taper-shank arbor, so just detachable lower cutting unit.In addition, this machining cell can change different cutting units, greatly, various different cutting unit (as grinding unit, milling unit) is as long as have the taper-shank arbor coordinated with the taper hole of main shaft, the blind rivet coordinated with pulling claw be fixed on taper-shank arbor for application and the range of work.This machining cell, the scope of application is wide, and structure is ingenious, and volume is little, dependable performance.
Above-mentioned machining cell, drag hook and drag hook driving mechanism hinged, make drag hook swing around hinged place and make drag hook depart from the flexible member of housing when being connected with normality between drag hook and spindle drum.In the action of drag hook driving mechanism, when unclamping drag hook, flexible member can make drag hook swing around hinged place and depart from housing, and when such drag hook does not need to hook housing, flexible member can make drag hook swing and unclamp housing automatically, more convenient to operate.
Improve as to the one of above-mentioned machining cell, during normality, flexible member makes drag hook swing laterally in the radial direction of main shaft around hinged place and make drag hook depart from housing; It also comprises a drag hook oscillation adjustment ring flat-plate along the movement of main-shaft axis direction; Drag hook passes in drag hook oscillation adjustment ring flat-plate; When drag hook hooks housing, when housing is clamped in sleeve end face, drag hook contacts with the inner peripheral surface of oscillation adjustment ring flat-plate and prevents drag hook from departing from housing.Drag hook oscillation adjustment ring flat-plate can limit the swing of drag hook, when not needing drag hook to swing laterally, drag hook oscillation adjustment ring flat-plate moves to drag hook along main-shaft axis and hooks shell position place, because the medial surface of drag hook with drag hook oscillation adjustment ring flat-plate contacts, drag hook can not swing laterally, all the time be in the state of hooking housing, ensure that security.When needing to unclamp drag hook, need first to move drag hook oscillation adjustment ring flat-plate, make drag hook oscillation adjustment ring flat-plate that drag hook can not be hindered to laterally rotate, like this, when drag hook driving mechanism oppositely moves, drag hook just automatically outwards swings under the effect of flexible member, unclamps housing.That is, when drag hook hooks housing, when housing is clamped in sleeve end face, drag hook contacts with the inner peripheral surface of oscillation adjustment ring flat-plate and prevents drag hook from departing from housing; When needing to unclamp drag hook, drag hook oscillation adjustment ring flat-plate moves relative to drag hook, and the inner peripheral surface of oscillation adjustment ring flat-plate can not hinder drag hook at the effect lower swing of flexible member.
In order to when unclamping drag hook, reduce the displacement in main-shaft axis direction of drag hook oscillation adjustment ring flat-plate, or in order to can drag hook be unclamped when not moving drag hook oscillation adjustment ring flat-plate, above-mentioned machining cell, drag hook is connected with drag hook driving mechanism by guide post, drag hook and drag hook driving mechanism are all hinged with guide post, and guide post is slidably arranged in and is arranged on spindle drum, angled with main-shaft axis guide groove; The action of drag hook driving mechanism, band moving slide-bar moves along guide groove, and drag hook while being parallel to the movement of main-shaft axis direction, swings around the radial direction of slide bar at main shaft under the drive of slide bar and flexible member.Owing to having the guide groove angled with main-shaft axis, drag hook under the drive of drag hook driving mechanism while being parallel to the movement of main-shaft axis direction, swing around the radial direction of slide bar at main shaft, so when needs unclamp drag hook, drag hook oscillation adjustment ring flat-plate only needs to move very little distance relative to drag hook, the even not mobile swing that also can not hinder drag hook.When drag hook oscillation adjustment ring flat-plate moves, can also to hook the position of housing corresponding with drag hook, prevent drag hook from departing from housing.Described machining cell, drag hook oscillation adjustment ring flat-plate is connected with its ring flat-plate driving mechanism along the movement of main-shaft axis direction of drive.
Improve as to above-mentioned machining cell another kind, during normality, flexible member makes drag hook swing laterally in the radial direction of main shaft around hinged place and make drag hook depart from housing; It also comprises drag hook oscillation adjustment ring flat-plate; Drag hook passes in drag hook oscillation adjustment ring flat-plate; When drag hook hooks housing, when housing is clamped in sleeve end face, drag hook contacts with the inner peripheral surface of oscillation adjustment ring flat-plate and prevents drag hook from departing from housing; Drag hook is connected with drag hook driving mechanism by guide post, and drag hook and drag hook driving mechanism are all hinged with guide post, and guide post is slidably arranged in and is arranged on spindle drum, angled with main-shaft axis guide groove; The action of drag hook driving mechanism, band moving slide-bar moves along guide groove, and drag hook while being parallel to the movement of main-shaft axis direction, swings around the radial direction of slide bar at main shaft under the drive of slide bar and flexible member.Owing to having the guide groove angled with main-shaft axis, drag hook under the drive of drag hook driving mechanism while being parallel to the movement of main-shaft axis direction, swing around the radial direction of slide bar at main shaft, so when needs unclamp drag hook, the drag hook oscillation adjustment ring flat-plate being fixed on the not movement on spindle drum or housing can not hinder the swing of drag hook.Certainly, preferably, drag hook oscillation adjustment ring flat-plate can move along main-shaft axis direction.When drag hook oscillation adjustment ring flat-plate moves, can also to hook the position of housing corresponding with drag hook, prevent drag hook from departing from housing.
Above-mentioned machining cell, main-shaft axis and output shaft intersect vertical axis, cutting tool is positioned on a cross section of output shaft, described cross section and main-shaft axis coplanar.Like this, namely drive main shaft and cutting unit to swing around main-shaft axis by sleeve driving mechanism, adjust the lead angle of cutting tool.Because output shaft and cutting tool are swinging perpendicular in the plane of main shaft, cutting tool is constant relative to the height of workpiece to be machined (alternatively, central point (intersection point of main-shaft axis and the output shaft axis) invariant position of the cutting tool surface of revolution), without the need to readjusting the height of cutting tool again.As improvement, cutting unit also comprises a rotation and arranges on housing, parallel with output shaft transition axis, by bevel-gear sett engaged transmission between transition axis and main shaft; By a pair meshed transmission gear or pass through belt transmission between transition axis and output shaft.Improve as another kind, described cutting tool is interior milling cutter, and output shaft is hollow shaft, and interior milling cutter is arranged on the inwall of output shaft.Like this, namely drive main shaft and cutting unit to swing around main-shaft axis by sleeve driving mechanism, adjust the lead angle of interior milling cutter.Because output shaft and interior milling cutter are swinging perpendicular in the plane of main shaft, interior milling cutter is constant relative to the height of workpiece to be machined (alternatively, central point (intersection point of main-shaft axis and the output shaft axis) invariant position of interior rotating surface of milling cutter), without the need to readjusting the height of interior milling cutter again.Improve as the third, described cutting tool is outer milling cutter, and outer milling cutter is arranged on the periphery of output shaft.Like this, namely drive main shaft and cutting unit to swing around main-shaft axis by sleeve driving mechanism, adjust the lead angle of outer milling cutter.Because output shaft and outer milling cutter are swinging perpendicular in the plane of main shaft, outer milling cutter is constant relative to the height of workpiece to be machined (alternatively, central point (intersection point of main-shaft axis and the output shaft axis) invariant position of outer rotating surface of milling cutter), without the need to readjusting the height of outer milling cutter again.
Above-mentioned machining cell, housing also arranges the support column that has outer cone, and described support column is coaxial with main shaft.Owing to having support column on housing, the outer cone of the support component and support column that can be fixed on spindle drum by coordinates, and support column can rotate around main-shaft axis relative to support component, can not counteract the swing of housing; By support column, supplemental support is formed to housing simultaneously, enhance the rigidity of machining cell, especially prevent housing in main shaft diameter vibration upwards, improve machining accuracy.As improvement, above-mentioned machining cell, also comprises support unit; Support unit comprises the supporting seat be arranged on spindle drum, rotation arranges on supporting seat, that one end has conical bore support set, the rod assembly be arranged in support set; Rod assembly comprises pull bar, is sleeved on the dished spring assembly of pull bar periphery; Pull bar is connected with pulling claw in the one end near conical bore; Be fixed with the blind rivet stretched in pulling claw on the support columns; Blind rivet stretches into pulling claw, and rod assembly holds blind rivet by pulling claw, and outer cone is coordinated with conical bore; Supporting seat is provided with pushing drawing rod and overcomes the elastic force of dished spring assembly and the pull bar pushing mechanism of movement.The support set pulling blind rivet to make to have conical bore by rod assembly coordinates with the support column with outer cone and forms one, and support set rotation is arranged on supporting seat, so when sleeve driving mechanism drive sleeve, housing etc. swing, support set just swings with housing, can not hinder the swing of housing, supporting seat can form reliable supplemental support to housing simultaneously.
Above-mentioned machining cell, is provided with thrust bearing between drag hook and housing, and housing can be rotated relative to drag hook in the circumferential direction of line centered by main-shaft axis by this thrust bearing.Drag hook driving mechanism can drive drag hook to move along main-shaft axis, and main-shaft axis direction is integrally fixed housing, drag hook driving mechanism, spindle drum.Owing to arranging thrust bearing, when needs drive sleeve and housing swing around main-shaft axis, can without the need to unclamping drag hook, that is, can when drag hook be integrally fixed housing, drag hook driving mechanism, spindle drum on main-shaft axis direction, drive sleeve, housing swing around main-shaft axis.
Above-mentioned machining cell, sleeve driving mechanism comprises the worm gear be looped around on sleeve, is arranged on the worm screw on spindle drum with the rotation of worm gear, drives the servomotor that worm screw is rotated.Accurately can be controlled the rotational angle of worm screw by servomotor, thus control the rotational angle of worm gear and sleeve.In addition, worm and gear self-locking is effective, when servomotor does not rotate, effectively can prevent the rotation of sleeve.Preferably, spindle drive comprises the belt pulley being arranged on main shaft one end, the spindle motor be arranged on spindle drum, passes through V belt translation between spindle motor and belt pulley.
Above-mentioned machining cell, main shaft with taper-shank arbor is respectively arranged with match, be parallel to lug boss and recess that main-shaft axis extends; When cone coordinates with taper hole, lug boss stretches into recess and coordinates with recess.When cone coordinates with taper hole, lug boss stretches into recess and coordinates with recess.Main shaft to recess transmitting torque, makes taper-shank arbor rotate by lug boss, to overcome main shaft by the taper hole that coordinates and the less deficiency of cone transmitting torque.
This technology provides one simultaneously and cutting tool can be driven overall relative to spindle drum swing, expands the swinging method of cutting tool in the machining cell of the range of work of machining cell.
The swinging method of cutting tool in machining cell, machining cell comprises main axle unit and cutting unit; Main axle unit comprises main shaft, sleeve, spindle drum, the rod assembly that one end has taper hole; It is characterized in that: main axis is arranged in sleeve, sleeve rotate be arranged on spindle drum, main shaft and sleeve coaxial; Rod assembly is provided with in main shaft; Cutting unit comprises housing, rotates the taper-shank arbor be arranged on housing, rotates the output shaft be arranged on housing; Be connected by transmission mechanism between taper-shank arbor with output shaft; Output shaft arranges cutting tool; Taper-shank arbor one end has the cone coordinated with taper hole, and cone is fixed with the blind rivet that can extend in pulling claw; Pull blind rivet that taper-shank arbor is coordinated with main shaft by rod assembly; Spindle drum is provided with housing pulling mechanism, and housing pulling mechanism comprises at least two for hooking the drag hook of housing, drives drag hook being parallel to the drag hook driving mechanism of main-shaft axis direction movement;
In described machining cell, the swinging method of cutting tool is: drive drag hook by drag hook driving mechanism, make housing be clamped in sleeve end face, positioned by sleeve to housing in the circumferential direction of line centered by main-shaft axis; By arranging sleeve driving mechanism drive sleeve and the housing under sleeve location swings around main-shaft axis on spindle drum, thus make the swing of cutting tool.
The beneficial effect of the swinging method of cutting tool in this machining cell: during use, pull blind rivet that taper-shank arbor and main shaft are integrally fixed by rod assembly, by sleeve, housing is positioned in the circumferential direction of line centered by main-shaft axis afterwards, housing is hooked again with drag hook, drive drag hook by drag hook driving mechanism, housing is clamped in sleeve end face.By spindle drive successively drive shaft, taper-shank arbor, output shaft rotation, be positioned at the cutting tool just revolution on output shaft, realize cutting movement.When needing to swing whole cutting tool in the circumferential direction of line centered by main-shaft axis, drag hook driving mechanism reverse drive drag hook, drag hook unclamps housing, under the location of sleeve to housing, swung relative to spindle drum by sleeve driving mechanism drive sleeve (setting the housing of position with quilt cover), main shaft and cutting unit just together with swing around main-shaft axis relative to spindle drum, just achieve the swing of whole cutting tool.When cutting tool swings, main shaft is still integrally fixed with taper-shank arbor under the effect of rod assembly, and without the need to main shaft and taper-shank arbor are come off, while easy to operate, also without the need to tool setting again, ensure that machining accuracy.When needing unload or change cutting unit, drag hook driving mechanism counteragent, drag hook is made to unclamp housing (no longer hooking housing), again by pull bar pushing mechanism, can reverse pushing drawing rod, radial dilatation while pulling claw moves axially, unclamps the blind rivet be fixed on taper-shank arbor, so just detachable lower cutting unit.The method achieving the swing that cutting tool carries out when not departing from main shaft around main-shaft axis, expanding the scope of application of machining cell.
The swinging method of cutting tool in above-mentioned machining cell, by arranging thrust bearing between drag hook and housing, makes housing can rotate relative to drag hook in the circumferential direction of line centered by main-shaft axis.Owing to arranging thrust bearing, when needs drive sleeve and housing swing around main-shaft axis, can without the need to unclamping drag hook, that is, can when drag hook be integrally fixed housing, drag hook driving mechanism, spindle drum on main-shaft axis direction, drive sleeve, housing swing around main-shaft axis, faster and more convenient operation.
The swinging method of cutting tool in above-mentioned machining cell, drag hook and drag hook driving mechanism hinged, between drag hook and spindle drum, be connected with flexible member; In the action of drag hook driving mechanism, when unclamping drag hook, flexible member can make drag hook swing around hinged place and depart from housing.In the action of drag hook driving mechanism, when unclamping drag hook, flexible member can make drag hook swing around hinged place and depart from housing, and when such drag hook does not need to hook housing, flexible member can make drag hook swing and unclamp housing automatically, more convenient to operate.Preferably, spindle drum or housing are arranged a drag hook oscillation adjustment ring flat-plate along the movement of main-shaft axis direction; When drag hook hooks housing, when housing is clamped in sleeve end face, drag hook contacts with the inner peripheral surface of oscillation adjustment ring flat-plate and prevents drag hook from departing from housing; When needing to unclamp drag hook, drag hook oscillation adjustment ring flat-plate moves relative to drag hook, and the inner peripheral surface of oscillation adjustment ring flat-plate can not hinder drag hook at the effect lower swing of flexible member.Drag hook oscillation adjustment ring flat-plate can limit the swing of drag hook, when not needing drag hook to swing laterally, drag hook oscillation adjustment ring flat-plate moves to drag hook along main-shaft axis and hooks shell position place, because the medial surface of drag hook with drag hook oscillation adjustment ring flat-plate contacts, drag hook can not swing laterally, all the time be in the state of hooking housing, ensure that security.When needing to unclamp drag hook, need first to move drag hook oscillation adjustment ring flat-plate, make drag hook oscillation adjustment ring flat-plate that drag hook can not be hindered to laterally rotate, like this, when drag hook driving mechanism oppositely moves, drag hook just automatically outwards swings under the effect of flexible member, unclamps housing.That is, when drag hook hooks housing, when housing is clamped at and sleeve end face is connected, drag hook contacts with the inner peripheral surface of oscillation adjustment ring flat-plate and prevents drag hook from departing from housing; When needing to unclamp drag hook, drag hook oscillation adjustment ring flat-plate moves relative to drag hook, and the inner peripheral surface of oscillation adjustment ring flat-plate can not hinder drag hook at the effect lower swing of flexible member.Best, drag hook is connected with drag hook driving mechanism by guide post, and drag hook and drag hook driving mechanism are all hinged with guide post, and guide post is slidably arranged in and is arranged on spindle drum, angled with main-shaft axis guide groove; The action of drag hook driving mechanism, band moving slide-bar moves along guide groove, and drag hook while being parallel to the movement of main-shaft axis direction, swings around the radial direction of slide bar at main shaft under the drive of slide bar and flexible member.Owing to having the guide groove angled with main-shaft axis, drag hook under the drive of drag hook driving mechanism while being parallel to the movement of main-shaft axis direction, swing around the radial direction of slide bar at main shaft, so when needs unclamp drag hook, drag hook oscillation adjustment ring flat-plate only needs to move very little distance relative to drag hook, the even not mobile swing that also can not hinder drag hook.When drag hook oscillation adjustment ring flat-plate moves, can also to hook the position of housing corresponding with drag hook, prevent drag hook from departing from housing.
The swinging method of cutting tool in above-mentioned machining cell, main-shaft axis and output shaft intersect vertical axis, cutting tool is positioned on a cross section of output shaft, described cross section and main-shaft axis coplanar.Like this, when cutting knife cutter is with moving sleeve, housing to swing around main-shaft axis under the drive of sleeve driving mechanism, cutting tool is relative to the invariant position of main shaft on main-shaft axis, and the position of workpiece to be machined is generally constant, so just ensure that the uniformity of the height of cutting tool before and after swinging.
The swinging method of cutting tool in above-mentioned machining cell, housing is arranged one with main shaft coaxial, the support column with outer cone; On supporting seat, that one end has conical bore support set is set is formed support unit by the supporting seat be arranged on spindle drum, rotation; Support set coordinates with outer cone, and support unit and housing are played a supporting role.Support set rotates and is arranged on supporting seat, so when sleeve driving mechanism drive sleeve, housing etc. swing, support set just swings with housing, can not hinder the swing of housing, supporting seat can form reliable supplemental support to housing simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of outer milling unit.
Fig. 2 is the schematic diagram of interior milling unit.
Fig. 3 is the schematic diagram of machining cell (main axle unit+outer milling unit).
Fig. 4 is the partial perspective view of the outer milling unit in Fig. 3.
Fig. 5 is the schematic diagram of main axle unit.
Fig. 6 is the stereogram of main axle unit.
Fig. 7 is the schematic perspective view such as drag hook, drag hook driving oil cylinder in main axle unit.
Fig. 8 is the schematic diagram of machining cell (main axle unit+interior milling unit+support unit).
Fig. 9 is the partial perspective view of main axle unit and interior milling unit.
Figure 10 is the partial perspective view of interior milling unit.
Figure 11 is the schematic diagram of support unit.
Figure 12 is the enlarged drawing of drag hook, thrust bearing etc. in Fig. 8.
Figure 13 is the partial enlarged drawing that the support unit in Fig. 8 is connected with interior milling unit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this technology is described further.
Embodiment 1: machining cell (main axle unit+outer milling unit)
Shown in Figure 3, this machining cell mainly comprises main axle unit 1, outer milling unit 4.
See Fig. 5-7, main axle unit 1 mainly comprises sleeve driving mechanism 16, spindle drive 17, housing pulling mechanism 2 and drag hook swing regulation mechanism 3.
Main shaft 12 is rotated by bearing and is arranged in the sleeve 15 coaxial with main shaft, and sleeve is rotated by bearing and is arranged on spindle drum 11.Spindle drum is provided with sleeve driving mechanism 16 that drive sleeve rotates relative to spindle drum and the spindle drive 17 that drive shaft is rotated relative to spindle drum.Sleeve driving mechanism 16 comprises the worm gear 161 be looped around on sleeve, is arranged on the worm screw 162 on spindle drum with the rotation of worm gear, drives the servomotor 163 that worm screw is rotated.
Spindle drive 17 comprises the belt pulley 171 being arranged on main shaft one end, the spindle motor 172 be arranged on spindle drum, passes through V belt translation between spindle motor and belt pulley.
Main shaft is the hollow shaft that one end has taper hole 121.Rod assembly 13 is provided with in main shaft.Rod assembly comprises pull bar 131, is sleeved on the dished spring assembly 132 of pull bar periphery; Pull bar is connected with pulling claw 133 in the one end near taper hole, and dished spring assembly is when normality, and pull bar pulls pulling claw to make pulling claw be in the state of radial contraction.Spindle drum is provided with pushing drawing rod and overcomes the elastic force of dished spring assembly and the pull bar pushing mechanism (as cylinder) 14 of movement.
Spindle drum is provided with housing pulling mechanism, and housing pulling mechanism 2 comprises two for hooking the drag hook 21 of the flange 413 on housing 45, and 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 all hinged with guide post 24, and guide post is slidably arranged in and is arranged on spindle drum, angled with main-shaft axis guide groove 25.The extension spring 26 that drag hook swings around the hinged place with guide post is made when being connected with normality between drag hook middle and upper part and spindle drum.
Drag hook swing regulation mechanism 3 comprises drag hook oscillation adjustment ring flat-plate 31, drives drag hook oscillation adjustment ring flat-plate 31 to drive oil cylinder 32 along two ring flat-plates of main-shaft axis direction movement.Ring flat-plate drives the cylinder body of oil cylinder 32 to be arranged on spindle drum, and its piston rod 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 passes in drag hook oscillation adjustment ring flat-plate.Under the effect of 26 of extension spring, the outside 211 of drag hook is kept in touch with roller all the time.
Sleeve end face is provided with the locating piece 18 of two projections that housing is positioned in the circumferential direction of line centered by main-shaft axis.
In outer milling unit 4 shown in Figure 1, taper-shank arbor 41, transition axis 42, output shaft 43 are all rotated by bearing and are arranged on housing 45, and transition axis is parallel with output shaft.By bevel-gear sett 47 engaged transmission between transition axis and taper-shank arbor.By a pair gear 48 engaged transmission between transition axis and output shaft.The periphery of output shaft is arranged multiple outer milling cutter 44.Housing upper has flange 413.
Taper-shank arbor upper end has and coordinates cone 411 with taper hole, is fixed with the blind rivet 46 that can stretch in pulling claw in cone upper end.
Taper-shank arbor axis and output shaft intersect vertical axis, multiple outer milling cutter 44 is positioned on a cross section of output shaft, this cross section and taper-shank arbor axis co-planar.The housing end face relative to the end cap 19 be fixed in sleeve end face is provided with two grooves 451 corresponding with locating piece.When locating piece 18 extend in groove 451, the circumferential direction of housing line centered by main-shaft axis is located.
See Fig. 3,4, the main shaft end face of taper hole 121 both sides has the lug boss 122 that two are parallel to main-shaft axis and extend; The taper-shank arbor of cone 411 both sides has two recess corresponding to lug boss 122 412.When cone coordinates with taper hole, lug boss stretches into recess and coordinates with recess.Main shaft to recess transmitting torque, makes taper-shank arbor rotate by lug boss, to overcome main shaft by the taper hole 121 that coordinates and the less deficiency of cone 411 transmitting torque.
During use, blind rivet stretches into pulling claw, pulls blind rivet that the cone of taper-shank arbor is coordinated with the taper hole of main shaft by rod assembly, and taper-shank arbor and main shaft form one, simultaneously the corresponding recess 412 of lug boss 122.Locating piece 18 stretches in groove 451, and housing is located by the circumferential direction of two locating pieces line centered by main-shaft axis, and drag hook drives cylinder action, and its piston rod moves up, and band moving slide-bar moves along guide groove, and drag hook upper end is in upwards outwards movement; Meanwhile, ring flat-plate drives oil cylinder 32 action, drives drag hook oscillation adjustment ring flat-plate 31 to move down, spacing due to outside pair of rollers drag hook, and the lower end of drag hook can only upwards move inward.Like this, drag hook, while moving axially along main shaft, swings in the radial direction of main shaft, and the lower end of two drag hooks is just mutually drawn close and hooks housing and drive housing to move up, and housing is clamped in sleeve end face.By spindle drive successively drive shaft, taper-shank arbor, output shaft rotation, be positioned at the outer milling cutter just revolution on output shaft, realize cutting movement.
When needing to swing outer milling unit in the circumferential direction of line centered by main-shaft axis, drag hook drives cylinder action, and its piston rod moves down, and band moving slide-bar moves along guide groove, and drag hook upper end moves inward downwards; Simultaneously, ring flat-plate drives oil cylinder 32 action, drag hook oscillation adjustment ring flat-plate 31 is driven to move up, due to the effect of extension spring, the lower end of drag hook is outwards moved while moving down (roller all the time with drag hook contact outside), and like this, drag hook is while moving axially along main shaft, swing in the radial direction of main shaft, the lower end of two drag hooks just mutual away from and unclamp housing.
Swung relative to spindle drum by sleeve driving mechanism drive sleeve, sleeve just turns an angle around main-shaft axis, and because locating piece is positioned on the end cap be fixed in sleeve end face, namely locating piece is turned an angle.Like this by the location of locating piece, housing is just equivalent to again be located after main-shaft axis turns an angle.Housing is again by the process of locating, and main shaft is still integrally fixed with taper-shank arbor under the effect of rod assembly, and without the need to main shaft and taper-shank arbor are come off, easy to operate.During housing into rotation, housing rotates around main-shaft axis together with output shaft, and output shaft axis keeps vertical with main-shaft axis all the time, the cross section at the multiple outer milling cutter place on output shaft is coplanar with main-shaft axis all the time, like this, central point (intersection point of taper-shank arbor axis and the main-shaft axis) invariant position of rotating surface of milling cutter, that is, can process without the need to tool setting again after housing and output shaft rotation, ensure that machining accuracy.
Embodiment 2: machining cell (main axle unit+interior milling unit+support unit)
Shown in Figure 8, this machining cell mainly comprises main axle unit 1, interior milling unit 5, support unit 6.
See Fig. 5-7,9,10, main axle unit 1 mainly comprises sleeve driving mechanism 16, spindle drive 17, housing pulling mechanism 2, drag hook swing regulation mechanism 3.
Main shaft 12 is rotated by bearing and is arranged in the sleeve 15 coaxial with main shaft, and sleeve is rotated by bearing and is arranged on spindle drum 11.Spindle drum is provided with sleeve driving mechanism 16 that drive sleeve rotates relative to spindle drum and the spindle drive 17 that drive shaft is rotated relative to spindle drum.Sleeve driving mechanism 16 comprises the worm gear 161 be looped around on sleeve, is arranged on the worm screw 162 on spindle drum with the rotation of worm gear, drives the servomotor 163 that worm screw is rotated.
Spindle drive 17 comprises the belt pulley 171 being arranged on main shaft one end, the spindle motor 172 be arranged on spindle drum, passes through V belt translation between spindle motor and belt pulley.
Main shaft is the hollow shaft that one end has taper hole 121.Rod assembly 13 is provided with in main shaft.Rod assembly comprises pull bar 131, is sleeved on the dished spring assembly 132 of pull bar periphery; Pull bar is connected with pulling claw 133 in the one end near taper hole, and dished spring assembly is when normality, and pull bar pulls pulling claw to make pulling claw be in the state of radial contraction.Spindle drum is provided with pushing drawing rod and overcomes the elastic force of dished spring assembly and the pull bar pushing mechanism (as cylinder) 14 of movement.
Spindle drum is provided with housing pulling mechanism, and housing pulling mechanism 2 comprises two for hooking the drag hook 21 of the flange 513 on housing, and 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 all hinged with guide post 24, and guide post is slidably arranged in and is arranged on spindle drum, angled with main-shaft axis guide groove 25.The extension spring 26 that drag hook swings around the hinged place with guide post is made when being connected with normality between drag hook middle and upper part and spindle drum.
Drag hook swing regulation mechanism 3 comprises drag hook oscillation adjustment ring flat-plate 31, drives drag hook oscillation adjustment ring flat-plate 31 to drive oil cylinder 32 along two ring flat-plates of main-shaft axis direction movement.Ring flat-plate drives the cylinder body of oil cylinder 32 to be arranged on spindle drum, and its piston rod 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 passes in drag hook oscillation adjustment ring flat-plate.Under the effect of 26 of extension spring, the outside 211 of drag hook is kept in touch with roller all the time.
Sleeve end face is fixed end cap 19, end cap 19 is provided with the locating piece 18 of two projections that housing is positioned in the circumferential direction of line centered by main-shaft axis.
See Fig. 2,10, in interior milling unit 5, taper-shank arbor 51, transition axis 52, bridge shaft 58, output shaft 53 are all rotated by bearing and are arranged on housing 55, and transition axis is parallel with output shaft.By bevel-gear sett 57 engaged transmission between transition axis and taper-shank arbor.The periphery of output shaft is fixed with output gear 501, and one end of transition axis is fixed with transition gear 502, bridge shaft 58 is fixed with carrier gear 503.Carrier gear 503 engages with output gear 501, transition gear 502 respectively.Output shaft is hollow shaft, the inwall of output shaft is arranged multiple interior milling cutter 54.
Taper-shank arbor upper end has and coordinates cone 511 with taper hole, is fixed with the blind rivet 56 that can stretch in pulling claw in cone upper end.
Taper-shank arbor axis and output shaft intersect vertical axis, multiple interior milling cutter 54 is positioned on a cross section of output shaft, this cross section and taper-shank arbor axis co-planar.The housing end face relative to the end cap be fixed in sleeve end face is provided with two grooves 551 corresponding with locating piece.When locating piece 18 extend in groove 551, the circumferential direction of housing line centered by main-shaft axis is located.
The main shaft end face of taper hole 121 both sides has the lug boss 122 that two are parallel to main-shaft axis and extend; The taper-shank arbor of cone 511 both sides has two recess corresponding to lug boss 122 512.When cone coordinates with taper hole, lug boss stretches into recess and coordinates with recess.Main shaft to recess transmitting torque, makes taper-shank arbor rotate by lug boss, to overcome main shaft by the taper hole 121 that coordinates and the less deficiency of cone 511 transmitting torque.
See Figure 11, support unit 6 comprises the supporting seat 61 be arranged on spindle drum, arranges on supporting seat, that one end has conical bore 621 support set 62, the rod assembly 63 be arranged in support set by bearing rotation.Rod assembly comprises pull bar 631, is sleeved on the dished spring assembly 632 of pull bar periphery; Pull bar is connected with pulling claw 633 in the one end near conical bore.Supporting seat is provided with pushing drawing rod and overcomes the elastic force of dished spring assembly and the pull bar pushing mechanism (as cylinder) 64 of movement.
Housing also arranges the support column 59 that has the outer cone 591 coordinated with conical bore 621, support column 59 is fixed with the blind rivet 634 that can stretch in pulling claw 633.Described support column is coaxial with taper-shank arbor.Outer cone 591 is identical with the tapering of cone 511, but direction is contrary.
Blind rivet 634 stretches in pulling claw 633, pulls blind rivet 634 by the pulling claw of rod assembly 63, the support set with conical bore is coordinated with the support column with outer cone and forms one.
See Fig. 8, there is in the end that housing upper end is relative with sleeve a flange 513.The flange back side relative with sleeve end face is provided with thrust bearing 7, and when drag hook hooks thrust bearing, housing can be rotated relative to drag hook in the circumferential direction of line centered by main-shaft axis by this thrust bearing.
During use, the blind rivet 56 be fixed on taper-shank arbor stretches into pulling claw 133, pulls blind rivet 56 that the cone of taper-shank arbor is coordinated with the taper hole of main shaft by rod assembly 13, and taper-shank arbor and main shaft form one, simultaneously the corresponding recess 512 of lug boss 122.Locating piece 18 stretches in groove 551, and housing is located by the circumferential direction of two locating pieces line centered by main-shaft axis, and drag hook drives cylinder action, and its piston rod moves up, and band moving slide-bar moves along guide groove, and drag hook upper end is in upwards outwards movement; Meanwhile, ring flat-plate drives oil cylinder 32 action, drives drag hook oscillation adjustment ring flat-plate 31 to move down, spacing due to outside pair of rollers drag hook, and the lower end of drag hook can only upwards move inward.Like this, drag hook, while moving axially along main shaft, swings in the radial direction of main shaft, and the thrust bearing that the lower end of two drag hooks is just mutually drawn close and hooked on the flange back side also drives housing to move up, and housing is clamped in sleeve end face.
Then, movable support unit, makes the blind rivet 634 on support column stretch in the pulling claw 633 of rod assembly 63, pulls blind rivet 634 by the pulling claw of rod assembly 63, the support set with conical bore is coordinated with the support column with outer cone and forms one.Then support unit is fixed, supporting seat forms reliable supplemental support with regard to the housing of internal milling unit, enhance interior milling unit perpendicular to the rigidity on the direction of main-shaft axis, reduce interior milling unit perpendicular to the distortion on the direction of main-shaft axis, improve machining accuracy.Be arranged on supporting seat, so when sleeve driving mechanism drive sleeve, housing etc. swing around main-shaft axis, support set just swings with housing, can not hinder the swing of housing because support set rotates.
By spindle drive successively drive shaft, taper-shank arbor, output shaft rotation, be positioned at the milling cutter just revolution on output shaft, realize cutting movement.
Owing to having thrust bearing between drag hook and flange, so when drag hook hooks thrust bearing, flange (and housing) still can rotate around main-shaft axis relative to drag hook.Therefore, when need in the circumferential direction of line centered by main-shaft axis swing in milling unit time, without the need to unclamping the drag hook hooking flange, when housing is hooked by drag hook and keeps in touch with sleeve end face, can directly be swung relative to spindle drum by sleeve driving mechanism drive sleeve, sleeve and housing just turn an angle around main-shaft axis, more convenient to operate.Sleeve and housing are in the process of spindle swing, and main shaft is still integrally fixed with taper-shank arbor under the effect of rod assembly, and without the need to main shaft and taper-shank arbor are come off, easy to operate.During housing into rotation, housing rotates around main-shaft axis together with output shaft, and output shaft axis keeps vertical with main-shaft axis all the time, the cross section at the multiple interior milling cutter place on output shaft is coplanar with main-shaft axis all the time, like this, central point (intersection point of taper-shank arbor axis and the main-shaft axis) invariant position of rotating surface of milling cutter, that is, can process without the need to tool setting again after housing and output shaft rotation, ensure that machining accuracy.
Claims (11)
1. machining cell, is characterized in that: it comprises main axle unit and cutting unit;
Main axle unit, comprises spindle drum, rotates the main shaft be arranged on spindle drum; Main shaft is the hollow shaft that one end has taper hole; Rod assembly is provided with in main shaft; Rod assembly comprises pull bar, is sleeved on the dished spring assembly of pull bar periphery; Pull bar is connected with pulling claw in the one end near taper hole, and dished spring assembly is when normality, and pull bar pulls pulling claw to make pulling claw be in the state of radial contraction; Spindle drum is provided with pushing drawing rod and overcomes the elastic force of dished spring assembly and the pull bar pushing mechanism of movement; It is characterized in that: further comprising a sleeve coaxial with main shaft, main axis is arranged in sleeve, and sleeve rotates and is arranged on spindle drum; Spindle drum is provided with the sleeve driving mechanism that drive sleeve is rotated relative to spindle drum; Spindle drum is provided with the spindle drive that drive shaft is rotated relative to spindle drum;
Cutting unit comprises housing, rotates the taper-shank arbor be arranged on housing, rotates the output shaft be arranged on housing; Be connected by transmission mechanism between taper-shank arbor with output shaft; Output shaft arranges cutting tool;
Taper-shank arbor one end has the cone coordinated with taper hole, and cone is fixed with the blind rivet that can extend in pulling claw;
Spindle drum is provided with housing pulling mechanism, and housing pulling mechanism comprises at least two for hooking the drag hook of housing, drives drag hook being parallel to the drag hook driving mechanism of main-shaft axis direction movement;
Blind rivet stretches into pulling claw, and rod assembly pulls blind rivet by pulling claw, and cone is coordinated with taper hole; Drag hook hooks housing, and drag hook driving mechanism drives housing to move along main-shaft axis by drag hook, makes housing be clamped in sleeve end face;
The sleeve end face relative with housing is provided with the positioner that housing is positioned in the circumferential direction of line centered by main-shaft axis.
2. machining cell as claimed in claim 1, is characterized in that: drag hook is hinged with drag hook driving mechanism, makes drag hook swing around hinged place and make the flexible member of drag hook disengaging housing when being connected with normality between drag hook and spindle drum.
3. machining cell as claimed in claim 2, is characterized in that: during normality, flexible member makes drag hook swing laterally in the radial direction of main shaft around hinged place and make drag hook depart from housing; It also comprises a drag hook oscillation adjustment ring flat-plate along the movement of main-shaft axis direction; Drag hook passes in drag hook oscillation adjustment ring flat-plate; When drag hook hooks housing, when housing is clamped in sleeve end face, drag hook contacts with the inner peripheral surface of oscillation adjustment ring flat-plate and prevents drag hook from departing from housing.
4. machining cell as claimed in claim 3, it is characterized in that: drag hook is connected with drag hook driving mechanism by guide post, drag hook and drag hook driving mechanism are all hinged with guide post, and guide post is slidably arranged in and is arranged on spindle drum, angled with main-shaft axis guide groove; The action of drag hook driving mechanism, band moving slide-bar moves along guide groove, and drag hook while being parallel to the movement of main-shaft axis direction, swings around the radial direction of slide bar at main shaft under the drive of slide bar and flexible member.
5. machining cell as claimed in claim 2, is characterized in that: during normality, flexible member makes drag hook swing laterally in the radial direction of main shaft around hinged place and make drag hook depart from housing; It also comprises drag hook oscillation adjustment ring flat-plate; Drag hook passes in drag hook oscillation adjustment ring flat-plate; When drag hook hooks housing, when housing is clamped in sleeve end face, drag hook contacts with the inner peripheral surface of oscillation adjustment ring flat-plate and prevents drag hook from departing from housing; Drag hook is connected with drag hook driving mechanism by guide post, and drag hook and drag hook driving mechanism are all hinged with guide post, and guide post is slidably arranged in and is arranged on spindle drum, angled with main-shaft axis guide groove; The action of drag hook driving mechanism, band moving slide-bar moves along guide groove, and drag hook while being parallel to the movement of main-shaft axis direction, swings around the radial direction of slide bar at main shaft under the drive of slide bar and flexible member.
6. machining cell as claimed in claim 1, it is characterized in that: main-shaft axis and output shaft intersect vertical axis, cutting tool is positioned on a cross section of output shaft, described cross section and main-shaft axis coplanar.
7. machining cell as claimed in claim 1, is characterized in that: on housing, also arrange the support column that has outer cone, described support column is coaxial with main shaft.
8. machining cell as claimed in claim 7, it is characterized in that: further comprising support unit; Support unit comprises the supporting seat be arranged on spindle drum, rotation arranges on supporting seat, that one end has conical bore support set, the rod assembly be arranged in support set; Rod assembly comprises pull bar, is sleeved on the dished spring assembly of pull bar periphery; Pull bar is connected with pulling claw in the one end near conical bore; Be fixed with the blind rivet stretched in pulling claw on the support columns; Blind rivet stretches into pulling claw, and rod assembly holds blind rivet by pulling claw, and outer cone is coordinated with conical bore; Supporting seat is provided with pushing drawing rod and overcomes the elastic force of dished spring assembly and the pull bar pushing mechanism of movement.
9. machining cell as claimed in claim 1, it is characterized in that: between drag hook and housing, be provided with thrust bearing, housing can be rotated relative to drag hook in the circumferential direction of line centered by main-shaft axis by this thrust bearing.
10. machining cell as claimed in claim 1, is characterized in that: sleeve driving mechanism comprises the worm gear be looped around on sleeve, is arranged on the worm screw on spindle drum with the rotation of worm gear, drives the servomotor that worm screw is rotated.
11. machining cells as claimed in claim 1, is characterized in that: main shaft with taper-shank arbor is respectively arranged with match, be parallel to lug boss and recess that main-shaft axis extends; When cone coordinates with taper hole, lug boss stretches into recess and coordinates with recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301447.8U CN204052934U (en) | 2014-06-07 | 2014-06-07 | Machining cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301447.8U CN204052934U (en) | 2014-06-07 | 2014-06-07 | Machining cell |
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| Publication Number | Publication Date |
|---|---|
| CN204052934U true CN204052934U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420301447.8U Withdrawn - After Issue CN204052934U (en) | 2014-06-07 | 2014-06-07 | Machining cell |
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| CN (1) | CN204052934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096865A (en) * | 2014-06-07 | 2014-10-15 | 南京旋风数控机床有限公司 | Processing unit |
-
2014
- 2014-06-07 CN CN201420301447.8U patent/CN204052934U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096865A (en) * | 2014-06-07 | 2014-10-15 | 南京旋风数控机床有限公司 | Processing unit |
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Granted publication date: 20141231 Effective date of abandoning: 20170616 |