CN203918065U - Cutting unit - Google Patents
Cutting unit Download PDFInfo
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- CN203918065U CN203918065U CN201420300339.9U CN201420300339U CN203918065U CN 203918065 U CN203918065 U CN 203918065U CN 201420300339 U CN201420300339 U CN 201420300339U CN 203918065 U CN203918065 U CN 203918065U
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- output shaft
- housing
- axis
- shank arbor
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Abstract
This technology provides the cutting unit of a kind of adaptability and highly versatile.It comprises that taper-shank arbor, rotation that housing, rotation are arranged on housing are arranged on the output shaft on housing; Between taper-shank arbor and output shaft, be connected by transmission mechanism; Milling cutter is set on output shaft; Taper-shank arbor one end has cone, is fixed with blind rivet in cone; Taper-shank arbor axis and output shaft intersect vertical axis, milling cutter is positioned on a cross section of output shaft, and described cross section and taper-shank arbor axis are coplanar.
Description
Technical field
This technology relates to the cutting unit in machining equipment, especially milling unit.
Background technology
Existing cutting unit, is generally single cutter, as milling cutter, and lathe tool etc.Cutter can only be fixed on cutter shaft with the structure of fixing like this, and adaptability and versatility are poor.
Summary of the invention
The object of this technology is to provide the cutting unit of a kind of adaptability and highly versatile.
This cutting unit, comprises that taper-shank arbor, rotation that housing, rotation are arranged on housing are arranged on the output shaft on housing; Between taper-shank arbor and output shaft, be connected by transmission mechanism; Milling cutter is set on output shaft;
Taper-shank arbor one end has cone, is fixed with blind rivet in cone;
Taper-shank arbor axis and output shaft intersect vertical axis, milling cutter is positioned on a cross section of output shaft, and described cross section and taper-shank arbor axis are coplanar.
The beneficial effect of this cutting unit: this cutting unit, owing to having the taper-shank arbor of cone, can coordinate with the main shaft with tapering, and adaptability and versatility are good.In addition, because taper-shank arbor can relatively rotate around the axis of taper-shank arbor with respect to housing, and housing rotate time, housing rotates around taper-shank arbor axis together with output shaft, and output shaft axis keeps vertical with taper-shank arbor axis all the time, the cross section at the milling cutter place on output shaft is coplanar with taper-shank arbor axis all the time, like this, central point (intersection point of taper-shank arbor axis and the output shaft axis) invariant position of the milling cutter surface of revolution (also can be said, milling cutter is constant with respect to the height of workpiece to be machined), that is to say, after housing and output shaft rotation, can process without tool setting again, ensure machining accuracy.
Above-mentioned cutting unit, it also comprises that a rotation arranges transition axis on housing, parallel with output shaft, passes through bevel-gear sett engaged transmission between transition axis and taper-shank arbor; Between transition axis and output shaft by a pair of meshed transmission gear or pass through belt transmission.
Above-mentioned cutting unit, described milling cutter is interior milling cutter, and output shaft is hollow shaft, and interior milling cutter is arranged on the inwall of output shaft.
Above-mentioned cutting unit, described milling cutter is outer milling cutter, outer milling cutter is arranged on the periphery of output shaft.
Above-mentioned cutting unit also arranges a support column with outer cone on housing, and described support column is coaxial with taper-shank arbor.Owing to thering is support column on housing, can coordinate with the outer cone of support column by the support component of, support column can rotate around taper-shank arbor axis with respect to support component, can not counteract the swing of housing; By support column, housing is formed to supplemental support simultaneously, strengthened the rigidity of interior milling unit, especially prevented that housing from, in the vibration upwards of taper-shank arbor footpath, having improved machining accuracy.
Brief description of the drawings
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 that drag hook, the drag hook in main axle unit drives the schematic perspective views such as oil cylinder.
Fig. 8 is the schematic diagram of machining cell (main axle unit+interior milling unit+support unit).
Fig. 9 is the part stereogram of main axle unit and interior milling unit.
Figure 10 is the part stereogram 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: outer milling unit (outer milling head device)
Outer milling unit 4 shown in Figure 1, taper-shank arbor 41, transition axis 42, output shaft 43 are all rotated and are arranged on housing 45 by bearing, and transition axis is parallel with output shaft.Between transition axis and taper-shank arbor, pass through bevel-gear sett 47 engaged transmission.Between transition axis and output shaft by a pair of gear 48 engaged transmission.Multiple outer milling cutters 44 are set in the periphery of output shaft.Housing top has flange 413.
Taper-shank arbor upper end has cone 411, is fixed with blind rivet 46 in cone upper end.
Taper-shank arbor axis and output shaft intersect vertical axis, multiple outer milling cutters 44 are positioned on a cross section of output shaft, and this cross section and taper-shank arbor axis are coplanar.
This outer milling unit, owing to having the taper-shank arbor of cone, can coordinate with the main shaft with tapering, and adaptability and versatility are good.In addition, owing to can relatively rotating around the axis of taper-shank arbor between taper-shank arbor and housing, and housing rotate time, housing rotates around taper-shank arbor axis together with output shaft, and output shaft axis keeps vertical with taper-shank arbor axis all the time, the cross section at the multiple outer milling cutter place on output shaft is coplanar with taper-shank arbor axis all the time, like this, central point (intersection point of taper-shank arbor axis and the output shaft axis) invariant position of rotating surface of milling cutter (also can be said, outer milling cutter is constant with respect to the height of workpiece to be machined), that is to say, after housing and output shaft rotation, can process without tool setting again, ensure machining accuracy.
Embodiment 2: interior milling unit (internal cyclone device)
Interior milling unit 5 shown in Figure 2, taper-shank arbor 51, transition axis 52, bridge shaft 58, output shaft 53 are all rotated and are arranged on housing 55 by bearing, and transition axis is parallel with output shaft.Between transition axis and taper-shank arbor, pass through bevel-gear sett 57 engaged transmission.The periphery of output shaft is fixed with output gear 501, and one end of transition axis is fixed with transition gear 502, is fixed with carrier gear 503 on bridge shaft 58.Carrier gear 503 engages with output gear 501, transition gear 502 respectively.Output shaft is hollow shaft, and multiple interior milling cutters 54 are set on the inwall of output shaft.
Taper-shank arbor upper end has cone 511, is fixed with blind rivet 56 in cone upper end.
Taper-shank arbor axis and output shaft intersect vertical axis, multiple interior milling cutters 54 are positioned on a cross section of output shaft, and this cross section and taper-shank arbor axis are coplanar.
A support column 59 with outer cone 591 is also set on housing, and described support column is coaxial with taper-shank arbor.Outer cone 591 is identical with the tapering of cone 511, but opposite direction.
In this is outer, milling unit, owing to having the taper-shank arbor of cone, can coordinate with the main shaft with tapering, and adaptability and versatility are good.In addition, owing to can relatively rotating around the axis of taper-shank arbor between taper-shank arbor and housing, and housing rotate time, housing rotates around taper-shank arbor axis together with output shaft, and output shaft axis keeps vertical with taper-shank arbor axis all the time, the cross section at the multiple interior milling cutter place on output shaft is coplanar with taper-shank arbor axis all the time, like this, central point (intersection point of taper-shank arbor axis and the output shaft axis) invariant position of interior rotating surface of milling cutter (also can be said, interior milling cutter is constant with respect to the height of workpiece to be machined), that is to say, after housing and output shaft rotation, can process without tool setting again, ensure machining accuracy.Owing to thering is support column on housing, can coordinate with the outer cone of support column by the support component of, support column can rotate around taper-shank arbor axis with respect to support component, can not counteract the swing of housing; By support column, housing is formed to supplemental support simultaneously, strengthened the rigidity of interior milling unit, especially prevented that housing from, in the vibration upwards of taper-shank arbor footpath, having improved machining accuracy.
Embodiment 3: 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.
Referring to Fig. 5-7, main axle unit 1 mainly comprises sleeve driving mechanism 16, main shaft drives mechanism 17, housing pulling mechanism 2 and drag hook swing regulation mechanism 3.
Main shaft 12 is rotated and is arranged in the sleeve coaxial with main shaft 15 by bearing, and sleeve is rotated and is arranged on spindle drum 11 by bearing.On spindle drum, be provided with the main shaft drives mechanism 17 that drive sleeve is rotated with respect to spindle drum with respect to sleeve driving mechanism 16 and the drive shaft of spindle drum rotation.Sleeve driving mechanism 16 comprises the worm gear 161 being looped around on sleeve, and the rotation coordinating with worm gear is arranged on the worm screw 162 on spindle drum, the servomotor 163 that drives worm screw to rotate.
Main shaft drives mechanism 17 comprise be arranged on main shaft one end belt pulley 171, be arranged on the spindle motor 172 on spindle drum, between spindle motor and belt pulley by band transmission.
Main shaft is the hollow shaft that one end has taper hole 121.In main shaft, be provided with rod assembly 13.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 in the time of normality, and pull bar pulls pulling claw to make the state of pulling claw in radial contraction.On spindle drum, be provided with pushing drawing rod and overcome the elastic force of dished spring assembly and mobile pull bar pushing mechanism (as cylinder) 14.
On spindle drum, be provided with housing pulling mechanism, housing pulling mechanism 2 comprises that 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 in guide groove 25 on spindle drum, angled with main-shaft axis.Be connected with normality between drag hook middle and upper part and spindle drum time, make drag hook around the extension spring 26 swinging with the hinged place of guide post.
Two ring flat-plates driving oil cylinders 32 that 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 move along main-shaft axis direction.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 26 effect of extension spring, keep in touch with roller all the time in the outside 211 of drag hook.
In sleeve end face, fix end cap 19, on end cap 19, be provided with the locating piece 18 of two projections that housing is positioned in the circumferential direction of line centered by main-shaft axis.
Referring to Fig. 1,4, in outer milling unit 4, taper-shank arbor 41, transition axis 42, output shaft 43 are all rotated and are arranged on housing 45 by bearing, and transition axis is parallel with output shaft.Between transition axis and taper-shank arbor, pass through bevel-gear sett 47 engaged transmission.Between transition axis and output shaft by a pair of gear 48 engaged transmission.Multiple outer milling cutters 44 are set in the periphery of output shaft.
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 cutters 44 are positioned on a cross section of output shaft, and this cross section and taper-shank arbor axis are coplanar.On the housing end face relative with being fixed on end cap 19 in sleeve end face, be provided with two with the corresponding groove 451 of locating piece.When locating piece 18 extend into groove 451 when interior, in the circumferential direction of housing line centered by main-shaft axis, be positioned.
Referring to Fig. 3,4, on the main shaft end face of taper hole 121 both sides, there are two to be parallel to the lug boss 122 that main-shaft axis extends; On the taper-shank arbor of cone 411 both sides, have two and the corresponding recess 412 of lug boss 122.In the time that cone coordinates with taper hole, lug boss stretches into recess and with recess and coordinates.Main shaft to recess transmitting torque, rotates taper-shank arbor by lug boss, to overcome main shaft by the taper hole 121 and the less deficiency of cone 411 transmitting torques that coordinate.
When use, blind rivet stretches into pulling claw, pulls blind rivet that the cone of taper-shank arbor and the taper hole of main shaft are coordinated 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 in 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 is upwards outwards moving drag hook upper end; Meanwhile, ring flat-plate drives oil cylinder 32 to move, and drives drag hook oscillation adjustment ring flat-plate 31 to move down, spacing due to pair of rollers drag hook outside, and the lower end of drag hook can only upwards move inward.Like this, drag hook, along the axially movable while of main shaft, swings in the radial direction of main shaft, and the lower end of two drag hooks is just mutually drawn close and hooked housing and drive housing to move up, and housing is clamped in sleeve end face.By main shaft drives mechanism successively drive shaft, taper-shank arbor, output shaft rotation, be positioned at the just revolution of outer milling cutter on output shaft, realize cutting movement.
Outside need to swinging in the circumferential direction of line centered by main-shaft axis, when milling unit, 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 to move, drive drag hook oscillation adjustment ring flat-plate 31 to move up, due to the effect of extension spring, the lower end of drag hook in moving down, outwards move (roller all the time with drag hook outside side contacts), like this, drag hook is along the axially movable while of main shaft, swing in the radial direction of main shaft, the lower end of two drag hooks just mutually away from and unclamp housing.
Swing with respect 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 being fixed in sleeve end face, locating piece is rotated certain angle.By the location of locating piece, housing is just equivalent to again be positioned after main-shaft axis turns an angle like this.In the process that housing is positioned again, main shaft is still fixed into one with taper-shank arbor under the effect of rod assembly, and without main shaft and taper-shank arbor are come off, easy to operate.When housing rotates, 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 output shaft axis and the main-shaft axis) invariant position of rotating surface of milling cutter (also can be said, outer milling cutter is constant with respect to the height of workpiece to be machined), that is to say, after housing and output shaft rotation, can process without tool setting again, ensure machining accuracy.
Embodiment 4: 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.
Referring to Fig. 5-7,9,10, main axle unit 1 mainly comprises sleeve driving mechanism 16, main shaft drives mechanism 17, housing pulling mechanism 2, drag hook swing regulation mechanism 3.
Main shaft 12 is rotated and is arranged in the sleeve coaxial with main shaft 15 by bearing, and sleeve is rotated and is arranged on spindle drum 11 by bearing.On spindle drum, be provided with the main shaft drives mechanism 17 that drive sleeve is rotated with respect to spindle drum with respect to sleeve driving mechanism 16 and the drive shaft of spindle drum rotation.Sleeve driving mechanism 16 comprises the worm gear 161 being looped around on sleeve, and the rotation coordinating with worm gear is arranged on the worm screw 162 on spindle drum, the servomotor 163 that drives worm screw to rotate.
Main shaft drives mechanism 17 comprise be arranged on main shaft one end belt pulley 171, be arranged on the spindle motor 172 on spindle drum, between spindle motor and belt pulley by band transmission.
Main shaft is the hollow shaft that one end has taper hole 121.In main shaft, be provided with rod assembly 13.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 in the time of normality, and pull bar pulls pulling claw to make the state of pulling claw in radial contraction.On spindle drum, be provided with pushing drawing rod and overcome the elastic force of dished spring assembly and mobile pull bar pushing mechanism (as cylinder) 14.
On spindle drum, be provided with housing pulling mechanism, housing pulling mechanism 2 comprises that 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 in guide groove 25 on spindle drum, angled with main-shaft axis.Be connected with normality between drag hook middle and upper part and spindle drum time, make drag hook around the extension spring 26 swinging with the hinged place of guide post.
Two ring flat-plates driving oil cylinders 32 that 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 move along main-shaft axis direction.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 26 effect of extension spring, keep in touch with roller all the time in the outside 211 of drag hook.
In sleeve end face, fix end cap 19, on end cap 19, be provided with the locating piece 18 of two projections that housing is positioned in the circumferential direction of line centered by main-shaft axis.
Referring to Fig. 2,10, in interior milling unit 5, taper-shank arbor 51, transition axis 52, bridge shaft 58, output shaft 53 are all rotated and are arranged on housing 55 by bearing, and transition axis is parallel with output shaft.Between transition axis and taper-shank arbor, pass through bevel-gear sett 57 engaged transmission.The periphery of output shaft is fixed with output gear 501, and one end of transition axis is fixed with transition gear 502, is fixed with carrier gear 503 on bridge shaft 58.Carrier gear 503 engages with output gear 501, transition gear 502 respectively.Output shaft is hollow shaft, and multiple interior milling cutters 54 are set on the inwall of output shaft.
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 cutters 54 are positioned on a cross section of output shaft, and this cross section and taper-shank arbor axis are coplanar.On the housing end face relative with being fixed on end cap 19 in sleeve end face, be provided with two with the corresponding groove 551 of locating piece.When locating piece 18 extend into groove 551 when interior, in the circumferential direction of housing line centered by main-shaft axis, be positioned.
On the main shaft end face of taper hole 121 both sides, there are two to be parallel to the lug boss 122 that main-shaft axis extends; On the taper-shank arbor of cone 511 both sides, have two and the corresponding recess 512 of lug boss 122.In the time that cone coordinates with taper hole, lug boss stretches into recess and with recess and coordinates.Main shaft to recess transmitting torque, rotates taper-shank arbor by lug boss, to overcome main shaft by the taper hole 121 and the less deficiency of cone 511 transmitting torques that coordinate.
Referring to Figure 11, support unit 6 comprise the supporting seat 61 that is arranged on spindle drum, by bearing rotate arrange on supporting seat, one end have conical bore 621 support set 62, be arranged on the rod assembly 63 in support set.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.On supporting seat, be provided with pushing drawing rod and overcome the elastic force of dished spring assembly and mobile pull bar pushing mechanism (as cylinder) 64.
A support column 59 with the outer cone 591 coordinating with conical bore 621 is also set on housing, on 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 opposite direction.
Blind rivet 634 stretches in pulling claw 633, pulls blind rivet 634 by the pulling claw of rod assembly 63, makes the support set with conical bore coordinate formation one with the support column with outer cone.
Referring to Fig. 8, there is a flange 513 in the end relative with sleeve, housing upper end.Be provided with thrust bearing 7 at the flange back side relative with sleeve end face, in the time that drag hook hooks thrust bearing, housing can rotate with respect to drag hook in the circumferential direction of line centered by main-shaft axis by this thrust bearing.
When use, the blind rivet 56 being fixed on taper-shank arbor stretches into pulling claw 133, pulls blind rivet 56 that the cone of taper-shank arbor and the taper hole of main shaft are coordinated 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 in 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 is upwards outwards moving drag hook upper end; Meanwhile, ring flat-plate drives oil cylinder 32 to move, and drives drag hook oscillation adjustment ring flat-plate 31 to move down, spacing due to pair of rollers drag hook outside, and the lower end of drag hook can only upwards move inward.Like this, drag hook, along the axially movable while of main shaft, swings in the radial direction of main shaft, and the lower end of two drag hooks is just mutually drawn close and hooked the thrust bearing on the flange back side and drive housing to move up, and housing is clamped in sleeve end face.
Then, movable support unit, stretches in the pulling claw 633 of rod assembly 63 blind rivet 634 on support column, pulls blind rivet 634 by the pulling claw of rod assembly 63, makes the support set with conical bore coordinate formation one with the support column with outer cone.Then support unit is fixed, the housing of the just internal milling of supporting seat unit forms reliable supplemental support, strengthen the rigidity of interior milling unit in the direction perpendicular to main-shaft axis, reduced the distortion of interior milling unit in the direction perpendicular to main-shaft axis, improved machining accuracy.Because rotating, support set is arranged on supporting seat, so when sleeve driving mechanism drive sleeve, housing etc. are in the time that main-shaft axis swings, support set just swings with housing, can not hinder the swing of housing.
By main shaft drives mechanism successively drive shaft, taper-shank arbor, output shaft rotation, be positioned at the just revolution of milling cutter on output shaft, realize cutting movement.
Owing to thering is thrust bearing between drag hook and flange, so in the situation that drag hook hooks thrust bearing, flange (and housing) still can rotate around main-shaft axis with respect to drag hook.Therefore, in need to swinging in the circumferential direction of line centered by main-shaft axis when milling unit, without unclamping the drag hook that hooks flange, the in the situation that of being hooked by drag hook at housing and keep in touch with sleeve end face, can directly swing with respect 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 fixed into one with taper-shank arbor under the effect of rod assembly, and without main shaft and taper-shank arbor are come off, easy to operate.When housing rotates, 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 output shaft axis and the main-shaft axis) invariant position of rotating surface of milling cutter (also can be said, interior milling cutter is constant with respect to the height of workpiece to be machined), that is to say, after housing and output shaft rotation, can process without tool setting again, ensure machining accuracy.
Claims (5)
1. cutting unit, is characterized in that: comprise that taper-shank arbor, rotation that housing, rotation are arranged on housing are arranged on the output shaft on housing; Between taper-shank arbor and output shaft, be connected by transmission mechanism; Milling cutter is set on output shaft;
Taper-shank arbor one end has cone, is fixed with blind rivet in cone;
Taper-shank arbor axis and output shaft intersect vertical axis, milling cutter is positioned on a cross section of output shaft, and described cross section and taper-shank arbor axis are coplanar.
2. cutting unit as claimed in claim 1, it is characterized in that: further comprising a rotation transition axis on housing, parallel with output shaft is set, and passes through bevel-gear sett engaged transmission between transition axis and taper-shank arbor; Between transition axis and output shaft by a pair of meshed transmission gear or pass through belt transmission.
3. cutting unit as claimed in claim 1 or 2, is characterized in that: described milling cutter is interior milling cutter, and output shaft is hollow shaft, and interior milling cutter is arranged on the inwall of output shaft.
4. cutting unit as claimed in claim 1 or 2, is characterized in that: described milling cutter is outer milling cutter, and outer milling cutter is arranged on the periphery of output shaft.
5. cutting unit as claimed in claim 1, is characterized in that: a support column with outer cone is also set on housing, and described support column is coaxial with taper-shank arbor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300339.9U CN203918065U (en) | 2014-06-07 | 2014-06-07 | Cutting unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300339.9U CN203918065U (en) | 2014-06-07 | 2014-06-07 | Cutting unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203918065U true CN203918065U (en) | 2014-11-05 |
Family
ID=51813945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420300339.9U Expired - Fee Related CN203918065U (en) | 2014-06-07 | 2014-06-07 | Cutting unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203918065U (en) |
-
2014
- 2014-06-07 CN CN201420300339.9U patent/CN203918065U/en not_active Expired - Fee Related
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180828 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. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20190607 |
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| CF01 | Termination of patent right due to non-payment of annual fee |