CN105436533A

CN105436533A - Molding cutter, method for machining workpieces and molding equipment

Info

Publication number: CN105436533A
Application number: CN201410507636.5A
Authority: CN
Inventors: 杨东佐
Original assignee: Western Intelligence Machine Of Dongguan Dan Manufacturing Co Ltd
Current assignee: Western Intelligence Machine Of Dongguan Dan Manufacturing Co Ltd
Priority date: 2014-09-27
Filing date: 2014-09-27
Publication date: 2016-03-30
Also published as: WO2016045632A1

Abstract

The invention discloses a molding cutter, a method for machining workpieces and molding equipment. The molding cutter comprises a cutter shaft, blades, a blade axial positioning mechanism and springs for resetting the blades in the radial direction and encircling the blades. The cutter shaft comprises drive conical faces for expansion and axial blade sliding grooves matched with the blades. The blades are in a long strip shape and comprise blade bodies, blade edges arranged on the outer side faces of the blade bodies in a protruding mode, and spring containing grooves formed in the outer side faces of the blade bodies; conical faces for expansion matched with the drive conical faces for expansion are arranged on the inner sides of the blade bodies; the blades are installed in the blade sliding grooves; when the blades are not expanded, the conical faces for expansion of the blades are encircled on the corresponding drive conical faces for expansion on the cutter shaft, and the blades are encircled on the cutter shaft through the springs; the blade edges installed in the axial blade sliding grooves protrude out of the cutter shaft in the radial direction. The molding cutter, the method for machining workpieces and the molding equipment have the advantages that the radial feed amount of the molding cutter can be adjusted freely when the cutter shaft is rotated, the machining efficiency is greatly improved, the structure is very simple, and the cost is very low.

Description

A kind of method of molding cutter and processing work, former

Technical field

The present invention relates to the molding cutter of machine tool field and method, the former of processing work, particularly relate to the molding cutter of boring machine, drill bit, extrusion equipment etc. and the method for processing work, the formers such as boring machine, drill bit, extrusion equipment.

Background technology

The equipment such as common boring machine, in process, after need stopping when needs reaming, then the radial feeds of regulating boring cutter.Existing boring cutter, when regulating blade external diameter size, majority regulates singly single blade.Like this, want the external diameter of each blade to be adjusted to the same size, need during adjustment to take a long time.And, to adjust when the external diameter of some blades and after compressing with lock-screw, the external diameter of this blade often again slight change can occur.Therefore, be difficult to the external diameter of each blade to adjust completely the same.

Application number is in the patent of invention of 201310008874.7, disclose a kind of can the multiple-edged boring tool of adjusted in concert external diameter, with lower knife body, nonstandard cutter holder, upper knife body and governor motion; Fluted on lower knife body; There is locating hole at middle part; Lower convex platform is arranged at the bottom of nonstandard cutter holder, and rearward end has trapezoidal end faces, and upper front end is provided with blade; Upper knife body there are installing hole, hold-down apertures, stepped hole, cutter groove, You Tongxiao side, side and screw; Governor motion includes adjustment screw, spline nut and conical surface regulating block and spring.Can drive conical surface regulating block upwards or move down by adjustment screw.When conical surface regulating block moves up, spring promotes conical surface regulating block and rises.At this moment, the conical surface of conical surface regulating block and the trapezoidal faces of trapezoidal end faces, drive the synchronously outwards movement of each nonstandard cutter holder, blade external diameter increased.When conical surface regulating block moves down, nonstandard cutter holder, under the effect of each centripetal spring, inwardly promotes each nonstandard cutter holder, and the external diameter of blade is diminished.During adjustment, rotate adjustment screw, by the trapezoidal end faces of conical surface regulating block and nonstandard cutter holder, drive nonstandard cutter holder to move, regulate blade external diameter.The boring cutter of this structure, although can realize adjusted in concert blade external diameter, when regulating blade external diameter, boring cutter must quit work, and cannot realize regulating boring cutter external diameter in the process of processing work.With the boring cutter of this structure, the cannelure on the hole wall of processing work, efficiency is low.

In order to solve in process, the problem of the radial feeds of the regulating boring cutter that need stop again when needing reaming, those skilled in the art is always in unremitting effort

Chinese invention patent " self-feed differential planet flat turn disc " (application number: be a kind of precision, facing head of improving mechanical processing quality that effectively can solve boring machine radial feed 200810049865.1), facing head and boring and milling axle rotate simultaneously, facing head there is driving slide plate, also has snail bar, worm screw is connected with snail bar, worm gear drives worm screw to rotate, the snail bar on slide plate is driven to do radial alignment motion, thus the radial motion of band dynamic cutter head, this invention weak point is that the change of radial feed speed is inconvenient.

Utility model patent " boring tool holder " (application number: 94237587.4) be made up of body, worm screw, ring gear, upper cover plate, slide block, insert, screw mandrel, clutch, adjustment screw and shift fork, auto-feed can change the amount of feeding and direction of feed when cutting, can boring recess, cylindrical, cut water jacket, interior male cone (strobilus masculinus) and end surface of step hole, its weak point is: need the ring gear preparing multiple different number of teeth to meet and change the unit interval movement value requirement of slide block.

Patent of invention " mechanical flat rotating disk " (application number=200910094665.2) comprise the horizontal spindle be installed in main spindle box, ring flange, fixed gear, planetary gear, screw pair (13), power transmission shaft is connected with worm and gear, driven gear, driving gear and clutch, simple to operate, its weak point is: add the man-hour amount of feeding non-adjustable, also be accompanied with electrical control equipment in facing head, be unfavorable for safety operation.

Application number is in the patent of invention of 201020259579.0, disclose a kind of Multifunctional tool rest for boring lathe, it is an independently tool-post structure structure, by tool spindle in tool-post structure, two groups of NW type planet circular systems, manually---automatic transfer equipment, the composition such as counting device and fixed shaft gear train, tool-post structure connects firmly on lathe by the chuck of its outside, tool spindle is through tool-post structure, its axle one end is the axis of cone connected with machine tool chief axis, the other end is fixedly connected with facing head, the tool spindle that rotates through of machine tool chief axis reaches facing head, facing head rotating speed is identical with machine spindle speed, two groups of NW type planet circular systems are arranged in tool-post structure, its input is the driving gear on tool spindle, output is gear d, installation facing head side be fixed shaft gear train, its input is gear a, output is internal gear a, manually, automatic transfer equipment and counting device are arranged between two groups of NW type planet circular systems and fixed shaft gear train, when radial feed is in manual gear position, internal gear d on engaging sleeve departs from the output gear d of two groups of NW type planet circular systems and engages, internal spline on engaging sleeve is connected with tool spindle the preceding paragraph external splines, and the gearratio product of the external gear on engaging sleeve and gear a and gear b and internal gear a is 1, when main shaft stops operating, by stirring shift fork, the internal gear d on engaging sleeve is engaged with the output gear d of two groups of NW type planet circular systems, external splines on tool spindle is separated with the internal spline on engaging sleeve, and the gearratio product of gear c and gear a and gear b and internal gear a is not equal to 1, counting device is made up of counter dial, counting worm gear, worm screw, worm shaft door, manual worm rocking handle, and counter dial is coaxial with counting worm gear, and counting worm gear and worm engaging, worm screw engages with the large worm gear of fixed shaft gear train again.This patent is connected by the chuck of afterbody and the main shaft of the axis of cone and similar T68 series horizontal boring machine, although the manual and automatic radial feed of boring cutter bar can be completed under machine tool chief axis ceaselessly situation, can cutting plane, ring-shaped groove on inside and outside circle, the conical surface etc. on inside and outside circle, machine tool structure can be simplified again, the similar buncher of this knife rest, can under main shaft ceaselessly situation the radial feeds of any regulating boring cutter bar, compensate for the defect of common boring machine radial feed this respect, power needed for the motion of boring cutter bar radial feed is from main shaft itself, without the need to additional electrically or the power source such as machinery.The Multifunctional tool rest for boring lathe of this structure, the adjustment structure of boring cutter bar radial feed is very complicated.

Application number is in the patent of invention of 201110231372.1, discloses a kind of boring cutter.Specifically, be boring cutter boring machine being used for carry out hole boring processing process.It comprises body, and body has centre bore, and there is hydraulic jack body rear end.There is capping body front end, has cone core in the leading portion of centre bore.Push rod is had near cone core one end of piston rod.On the interlude of push rod, cover has the second spring.Push rod two ends are respectively with piston rod with bore core and offset.The first spring is had between cone core and capping.The leading portion circumference of body has radial slide opening, has cutter block in radial slide opening.All have inclined hole on the body wall of radial slide opening side with on cutter block, the outer end of this inclined hole is rotary with housing screw.Also there is inclined hole cutter block side, and this inclined hole is corresponding with the inclined hole on body wall, has housing screw and the 3rd spring between two inclined holes.Promote push rod, push rod promotion cone core to the axially-movable of capping direction by the piston rod of hydraulic jack, slide in the tapered inner side surfaces of cutter block in the tapered outer side face of cone core, cutter block outward radial moves, and the processing external diameter of blade becomes greatly; After machining, cone core to the direction axially-movable deviating from capping, makes cutter block radially move by the elastic force of the 3rd spring under the effect of the first spring and the second spring, and blade resets.The boring cutter of this structure, because the piston rod, push rod, the second spring etc. of the processing external diameter of adjustable blade are placed in body (cutter shaft), body is necessary for hollow shaft, can greatly affect the stressed of body on the one hand, particularly when body is very long, process and assemble is all very difficult, and when body external diameter is very very little, cannot realize.

Summary of the invention

The technical problem to be solved in the present invention is, for the deficiencies in the prior art, a kind of method of molding cutter and processing work, former are provided, the radial feeds of molding cutter can be regulated arbitrarily when in cutter shaft rotation and machining state, structure is very simple, cost is very low, can multiple annular grooves on the hole wall of simultaneously processing work.

A kind of molding cutter, comprises the blade of more than cutter shaft, two panels, is also included in the spring that blade machining state keeps the blade axial positioning mechanism of blade axis invariant position, blade radial direction is resetted together with being filled the span of a man's arms by blade; Cutter shaft comprises the expansion driving conical surface being arranged on and cutter shaft being used for driving the motion of blade outward radial, is arranged on the axial blade chute with blades fit on cutter shaft; Blade is strip, comprise blade body, the blade of projection on blade body lateral surface, the lateral surface of blade body is equipped with near the two ends of blade body the spring retention groove of circumference distribution, is provided with and expands with the expansion conical surface driving cone match in the inner side of blade body; Blade is arranged in blade slides groove, and at blade unswollen state, the expansion conical surface of blade is filled the span of a man's arms on cutter shaft on the corresponding expansion driving conical surface, and fills the span of a man's arms by spring on cutter shaft by blade; The blade radial direction be arranged in axial blade chute protrudes cutter shaft.

As the improvement of scheme one, also comprise stage clip, cutter shaft is multidiameter; Compression spring sleeve is on cutter shaft, and side is kept out by the cascaded surface of cutter shaft, and side is kept out by blade.During blade processing work, because blade is axially located at axis direction non-displacement, cutter shaft moves to insert orientation, therefore stage clip is gathered very large elastic force by compression, after blade processing work completes, the elastic force of stage clip makes the small end of the expansion conical surface of blade drive the little end motion of the conical surface towards the expansion of cutter shaft, and blade radially-inwardly moves under the action of the spring simultaneously, reaches blade and radially-inwardly to move the object resetted.Stage clip and spring reset jointly, and structure is simple, and easy for installation, cost is low.

As the improvement of scheme two, the medial surface of blade body is inwardly convexly equipped with protuberance in first, the expansion conical surface on blade to be arranged in first on protuberance; Cutter shaft is provided with the depressed part coordinated with protuberance in first, and the expansion driving conical surface is arranged on depressed part; At blade unswollen state, in first on blade, protuberance is arranged in the depressed part on cutter shaft.

Be arranged in the depressed part on cutter shaft by protuberance in first on blade, to blade shaft to spacing, guarantee that blade remains on cutter shaft.

As the improvement of scheme three, depressed part is annular groove, and the expansion that depressed part is taper away from the wall of cutter shaft small end drives the conical surface, and depressed part is near the axis of the vertical cutter shaft of wall of cutter shaft small end; Blade deviates from the axis of the face vertical blades of the expansion conical surface.

Depressed part is annular groove, is convenient to processing; Depressed part is near the axis of the vertical cutter shaft of wall of cutter shaft small end; Blade deviates from the axis of the face vertical blades of the expansion conical surface, at blade unswollen state, the face that the elastic force of stage clip can keep blade to deviate from the expansion conical surface is all the time kept out at the wall of depressed part near cutter shaft small end, blade accurately can be located at unswollen state, and can definitely guarantee that blade remains on cutter shaft.

As the improvement of scheme four, cutter shaft comprises macro-axis, the axis be connected with large axial end, the expansion that large end is connected with axis, drive the conical surface to be formed by expansion drives cone, the little axle driving cone small end to be connected with expansion, be arranged on one on axis to enclose with the chip area of upper annular, depressed part is arranged on axis, and axial blade chute runs through axis and drives cone with expansion; The medial surface of blade body is also inwardly convexly equipped with and expands with protuberance in drive cone and little axle to coordinate second, in second, protuberance comprises the expansion conical surface driving taper fit with expansion.

The cutter shaft of this structure and blade, at the unswollen state of the non-radial outward movement of blade, blade can be arranged on cutter shaft reliably; In the process of blade radial outward movement, owing to there being two places to drive blade radial outward movement, blade movement is more steady.

As the improvement of scheme one, cutter shaft is convexly equipped with for driving the motion of blade outward radial and being used for the dilation protuberance that drives blade radially to move, on cutter shaft, the expansion driving conical surface is arranged on the side of protuberance towards the free end of cutter shaft, the contraction depressed part being used for driving blade radially to move is formed at the side dilation protuberance of free end and cutter shaft that deviate from cutter shaft, the sidewall of contraction depressed part is formed and shrinks with driving the conical surface, and the expansion on cutter shaft drives the conical surface to drive the taper direction of the conical surface consistent with contraction; Blade body is provided with the dilation depressed part coordinated with the dilation protuberance of cutter shaft, the cell wall that dilation depressed part deviates from cutter shaft free end forms the expansion conical surface, and dilation depressed part is used for driving blade radially to move, driving the contraction conical surface of cone match with the contraction of cutter shaft towards the cell wall formation of cutter shaft free end.Be provided with the contraction cooperatively interacted and drive the conical surface and the contraction conical surface, after machining, the contraction of cutter shaft drives the contraction conical surface of the conical surface on blade to slide, and drives blade radially to move, blade is resetted more reliable.

As the improvement of scheme one, molding cutter is the cutter of processing blind hole; Blade axial positioning mechanism comprises positioning link, abutment sleeve, place kick; Positioning link comprises stair-stepping columniform positioning link, the macro-axis of positioning link is provided with and is communicated with axial blade chute and the blade storage tank coordinated, is communicated with and the spring retention groove coordinated with the spring retention groove in blade body, the periphery of the little axle of positioning link is provided with external thread part; Abutment sleeve comprises the cylindrical portion matched with the macro-axis external diameter of positioning link, with hold greatly the tapered portion be connected with cylindrical portion, in abutment sleeve, be provided with the screwed hole coordinated with the external thread part of positioning link, run through the end face of tapered portion and the accommodating through hole of place kick of screwed hole bottom surface; Blade stretches in the blade storage tank of positioning link towards one end of positioning link, and by spring, blade and positioning link are installed together, place kick to be arranged in the accommodating through hole of place kick and to protrude the accommodating through hole of place kick, and abutment sleeve is connected on positioning link by the external thread part matching thread of screwed hole and positioning link; Place kick side is by positioning link axial location, and opposite side is by the accommodating through hole axial location of place kick also outstanding abutment sleeve; Blade in process by the bottom land axial location of blade storage tank.This blade axial positioning mechanism, structure is simple, and location is reliable.

As the improvement of scheme one, molding cutter is the molding cutter of the groove on the hole wall of processing work; Blade on every sheet blade is projection in blade body more than along cutter shaft axial distribution, independently protruding separately, single projection is pointed shape or trapezoidal or arc or rectangle at the shape of cross section of the axis through protruding peak and cutter shaft, and on the blade more than two panels of filling the span of a man's arms together, corresponding protruding circumference distribution forms the ring-type disconnected.Blade is the projection of projection in blade body, be used for processing the annular recess on hole wall, on the blade more than two panels of filling the span of a man's arms together, on same circle, corresponding projection processes a circle groove on the hole wall of workpiece, every sheet blade there are how many projections, the hole wall on workpiece just forms how much enclose groove.The cross sectional shape of the axis of groove via hole is identical with the shape of cross section of the axis of cutter shaft at the peak through projection with projection corresponding on blade.

As the improvement of scheme one, molding cutter is the molding cutter of the groove on the hole wall of processing work; Blade on every sheet blade is projection in blade body more than along cutter shaft axial distribution, independently protruding separately; The side of single projection is distributed on same cylindrical surface or the side of single projection forms pointed shape; On the blade more than two panels of filling the span of a man's arms together, corresponding protruding circumference distribution forms the ring-type disconnected.When the side of single projection is when being distributed in the arc surface on same cylindrical surface, molding cutter can be the extruded cutter of the groove on the hole wall of processing work.The side of single projection forms pointed shape, and molding cutter can be the drill bit of the groove on the hole wall of processing work.

As the improvement of scheme one, molding cutter is the drill bit of the hole wall in the direct light hole of processing work; Blade on every sheet blade is as a whole, and the side of blade forms pointed shape.The blade of this structure, for the hole wall of finishing workpiece.

As the improvement of scheme two, molding cutter is the cutter of processing through hole; Blade axial positioning mechanism comprises plane bearing, and the external diameter of plane bearing is greater than the aperture of through hole; Blade also comprises radial blade blocking part of protruding blade body; Plane bearing is provided with blade blocking part storage tank; Plane bearing is arranged on outside blade, and the blocking part of blade is arranged in the storage tank of blade blocking part, and axial side, blade blocking part is kept out by plane bearing, and side is kept out by stage clip.The blade axial positioning mechanism of the molding cutter of this processing through hole, structure is simple, and location is reliable.

As the improvement of scheme one, molding cutter is the cutter of processing through hole; Blade axial positioning mechanism comprises positioning link, tapered bearing; Tapered bearing comprises inner sleeve and the overcoat fixing with body; Positioning link is stepped, the macro-axis of positioning link is provided with and is communicated with axial blade chute and the blade storage tank coordinated, is communicated with and the spring retention groove coordinated with the spring retention groove in blade body; Blade stretches in the blade storage tank of positioning link towards one end of positioning link, and by spring, blade and positioning link are installed together, the inner sleeve of tapered bearing is fixed on positioning link by the through hole tight fit of the little axle of positioning link and tapered bearing inner sleeve; When processing work, tapered bearing inner sleeve is arranged in overcoat.

A kind of former, is characterized in that: comprise molding cutter, support, to be arranged on support, can on support linear slide ground cutter spindle sleeve back and forth, drive cutter shaft cutter shaft drive unit rotatably, drive the cutter spindle sleeve drive unit of cutter spindle sleeve rectilinear motion back and forth; What the relative cutter spindle sleeve of cutter shaft only can forward to is arranged in cutter spindle sleeve.

As the improvement of scheme 13, also comprise the holder fixing with cutter spindle sleeve; Cutter spindle sleeve drive unit comprises and is fixed on fixed mount on holder and swivel nut, be arranged on the worm screw on fixed mount and worm drive mechanism, be arranged on the tapped through hole on fixed mount, the end of thread is through the screw rod of tapped through hole, the head of screw rod is the turbine coordinated with worm screw, and screw flight end is threaded with swivel nut.

A kind of method using molding cutter processing work, molding cutter comprises the blade of more than cutter shaft, two panels, it is characterized in that being provided with on cutter shaft for driving the expansion of blade outward radial motion to drive the conical surface, blade being provided with and expanding with the expansion conical surface driving cone match;

The method of processing work comprises:

In hole molding cutter being stretched into workpiece and to blade shaft to location;

To blade shaft behind location, cutter shaft and blade synchronous rotary, cutter shaft is towards workpiece axially-movable simultaneously, using the driving conical surface to slide on the expansion conical surface and driving blade radial outward movement, carrying out work pieces process by expanding;

In process, blade opposite piece moves without axial direction.

As the improvement of scheme 15, molding cutter also comprises the spring that blade radial direction is resetted together with being filled the span of a man's arms by blade; With the axial blade chute of blades fit on cutter shaft; Blade is strip, comprises blade body, the blade of projection on blade body lateral surface, and the lateral surface of blade body is equipped with near the two ends of blade body the spring retention groove of circumference distribution, and the expansion conical surface is arranged on the inner side of blade body; Blade is arranged in blade slides groove, and at blade unswollen state, the expansion conical surface of blade is filled the span of a man's arms on the expansion driving conical surface, and fills the span of a man's arms by spring on cutter shaft by blade; The blade radial direction be arranged in axial blade chute protrudes cutter shaft;

The method of processing work comprises:

Cutter shaft and blade synchronous rotary are with cutter shaft is towards in workpiece axial movement simultaneously, and blade slides in blade chute relative to cutter shaft;

After completing work pieces process, cutter shaft is towards the direction counter motion deviating from workpiece, blade radially-inwardly moves and slides axially in blade chute with relative cutter shaft under the elastic force effect of spring, and molding cutter exits workpiece, and the expansion conical surface of blade resets and fills the span of a man's arms on the expansion driving conical surface.

As the improvement of scheme 15, molding cutter is the cutter of processing blind hole, and molding cutter also comprises the place kick be installed together with blade;

Processing method comprises:

In process, blade, cutter shaft, place kick are synchronized with the movement and stretch in blind hole, until place kick is kept out at the bottom of the hole of blind hole, cutter shaft is towards place kick and workpiece axially-movable, and blade relative positioning ball and workpiece are without the motion of axial direction.

As the improvement of scheme 15, molding cutter is the cutter of processing through hole; Molding cutter comprises plane bearing, and the external diameter of plane bearing is greater than the aperture of through hole; Blade also comprises blocking part; Plane bearing is provided with blade blocking part storage tank; Blade is arranged in axial blade chute through plane bearing, and the blocking part of blade is arranged in the storage tank of blade blocking part, and axial side, blade blocking part is kept out by light spherical bearing;

Processing method comprises:

In process, blade, cutter shaft, plane bearing are synchronized with the movement and stretch in through hole, until plane bearing is kept out on workpiece, cutter shaft is towards plane bearing and workpiece axially-movable, and blade opposite planar bearing and workpiece are without the motion of axial direction.

As the improvement of scheme 15, molding cutter is the molding cutter of the groove on the hole wall of processing work; Blade on every sheet blade is projection in blade body more than along cutter shaft axial distribution, independently protruding separately, single projection is pointed shape or trapezoidal or arc or rectangle at the shape of cross section of the axis through protruding peak and cutter shaft, and on the blade more than two panels of filling the span of a man's arms together, corresponding protruding circumference distribution forms the ring-type disconnected;

The method of processing work comprises:

In the process of blade processing work, on the blade more than two panels of filling the span of a man's arms together, on same circle, projection processes a circle groove on the hole wall of workpiece accordingly, and the cross sectional shape that groove crosses the axis in the hole of workpiece is identical with the shape of cross section of the axis of cutter shaft at the peak through projection with projection corresponding on blade.

The invention has the beneficial effects as follows, by the axially-movable of cutter shaft towards component direction, the expansion on cutter shaft drives the conical surface to slide on the expansion conical surface of blade, just can drive blade radial outward movement, makes the processing external diameter of blade become large.Therefore the molding cutter of this structure, the radial feeds of molding cutter can be regulated arbitrarily when cutter shaft rotation and machining state, relatively need shut down the radial feeds that could regulate cutter, greatly raise the efficiency, the conical surface is driven owing to directly arranging expansion on cutter shaft, only need make cutter shaft axially-movable in cutter shaft rotation process, just can realize the radial feeds regulating arbitrarily molding cutter easily, structure is very simple, cost is very low, motion is reliable, also can be more practical when cutter shaft is less, when the blade on same blade is multiple axial distribution protruding, can multiple annular grooves on the hole wall of simultaneously processing work.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of the unexpanded processing original state of blade of the molding cutter of the embodiment of the present invention 1.

Fig. 2 is the schematic perspective view of the molding cutter of the embodiment of the present invention 1.

Fig. 3 is the perspective exploded view of the molding cutter of the embodiment of the present invention 1.

Fig. 4 is the top view of the single piece blade of the embodiment of the present invention 1.

Fig. 5 is the cross-sectional schematic that the blade unswollen state of the molding cutter of the embodiment of the present invention 1 crosses the peak of cutter shaft axis and blade.

Fig. 6 is the cross-sectional schematic that the complete swelling state of blade of the molding cutter of the embodiment of the present invention 1 crosses the peak of cutter shaft axis and blade.

Extruded cutter

Fig. 7 is the schematic perspective view of the single piece blade of the embodiment of the present invention 2.

Fig. 8 is that schematic diagram is looked on a left side for the single piece blade of the embodiment of the present invention 2.

Fig. 9 is the schematic top plan view of Fig. 8.

Figure 10 is the schematic perspective view of the molding cutter of the embodiment of the present invention 2.

Figure 11 is the perspective exploded view of the molding cutter of the embodiment of the present invention 2.

Figure 12 is the cross-sectional schematic that the blade unswollen state of the molding cutter of the embodiment of the present invention 2 crosses the peak of cutter shaft axis and blade.

Figure 13 is the cross-sectional schematic that the complete swelling state of blade of the molding cutter of the embodiment of the present invention 2 crosses the peak of cutter shaft axis and blade.

Figure 14 is the schematic perspective view of the molding cutter of the embodiment of the present invention 4.

Figure 15 is the perspective exploded view of the molding cutter of the embodiment of the present invention 4.

Figure 16 is the cross-sectional schematic that the blade unswollen state of the molding cutter of the embodiment of the present invention 4 crosses the peak of cutter shaft axis and blade.

Figure 17 is the perspective exploded view of the molding cutter of the embodiment of the present invention 5.

Figure 18 is the schematic perspective view of the molding cutter of the embodiment of the present invention 5.

Figure 19 is the cross-sectional schematic that the blade unswollen state of the molding cutter of the embodiment of the present invention 5 crosses the peak of cutter shaft axis and blade.

Figure 20 is the cross-sectional schematic that the complete swelling state of blade of the molding cutter of the embodiment of the present invention 5 crosses the peak of cutter shaft axis and blade.

Figure 21 is the schematic perspective view of the molding cutter of the embodiment of the present invention 6.

Figure 22 is the perspective exploded view of the molding cutter of the embodiment of the present invention 6.

Figure 23 is the top view of the single piece blade of the embodiment of the present invention 6.

Figure 24 is the cross-sectional schematic that the blade unswollen state of the molding cutter of the embodiment of the present invention 6 crosses the peak of cutter shaft axis and blade.

Figure 25 is the cross-sectional schematic that the complete swelling state of blade of the molding cutter of the embodiment of the present invention 6 crosses the peak of cutter shaft axis and blade.

Figure 26 is the schematic perspective view of the molding cutter of the embodiment of the present invention 7.

Figure 27 is the perspective exploded view of the molding cutter of the embodiment of the present invention 7.

Figure 28 is the top view of the single piece blade of the embodiment of the present invention 7.

Figure 29 is the cross-sectional schematic that the blade unswollen state of the molding cutter of the embodiment of the present invention 7 crosses the peak of cutter shaft axis and blade.

Figure 30 is the cross-sectional schematic that the complete swelling state of blade of the molding cutter of the embodiment of the present invention 7 crosses the peak of cutter shaft axis and blade.

Figure 31 is the schematic perspective view of the molding cutter of the embodiment of the present invention 8.

Figure 32 is the perspective exploded view of the molding cutter of the embodiment of the present invention 8.

Figure 33 is the top view of the single piece blade of the embodiment of the present invention 8.

Figure 34 is the cross-sectional schematic that the blade unswollen state of the molding cutter of the embodiment of the present invention 8 crosses the peak of cutter shaft axis and blade.

Figure 35 is the cross-sectional schematic that the complete swelling state of blade of the molding cutter of the embodiment of the present invention 8 crosses the peak of cutter shaft axis and blade.

Figure 36 is the perspective exploded view of the molding cutter of the embodiment of the present invention 9.

Figure 37 is the schematic perspective view of the molding cutter of the embodiment of the present invention 9.

Figure 38 is the schematic perspective view of the unexpanded processing original state of blade of the molding cutter of the embodiment of the present invention 9.

Figure 39 is the cross-sectional schematic that the blade unswollen state of the molding cutter of the embodiment of the present invention 9 crosses the peak of cutter shaft axis and blade.

Figure 40 is the perspective exploded view of the molding cutter of the embodiment of the present invention 10.

Figure 41 is the schematic perspective view of the molding cutter of the embodiment of the present invention 11, cutter spindle sleeve drive unit, cutter shaft drive unit.

Figure 42 is the schematic perspective view of the former of the embodiment of the present invention 11.

Figure 43 is that the axis horizontal face crossing cutter shaft of the embodiment of the present invention 11 is cutd open and the cross-sectional schematic of overlooking.

Figure 44 is the schematic perspective view of the former of the embodiment of the present invention 12.

Figure 45 is the schematic perspective view of the former of the embodiment of the present invention 13.

Figure 46 is that the axis horizontal face crossing cutter shaft of the embodiment of the present invention 13 is cutd open and the cross-sectional schematic of overlooking.

Detailed description of the invention

Embodiment 1

As shown in Figures 1 to 6, the extruded cutter of the annular recess 53 on a kind of hole wall of processing blind hole 52, comprise cutter shaft 1, pintongs blade 2, at the blade axial positioning mechanism that blade 2 machining state keeps blade 2 axial location constant, make blade 2 radial direction reset with by spring 3, the spring 4 together with 2-in-1 for blade armful, stage clip 5.

Cutter shaft 1 comprises macro-axis 6, the axis 7 be connected with macro-axis 6 end face, expansion that large end is connected with axis 7, that drive the conical surface to be formed by expansion drives cone 8, the little axle 9 driving cone 8 small end to be connected with expansion, run through the axial blade chute 10 that axis 7 and expansions driving cone 8 coordinate with blade 2, be arranged on the chip area 12 of depressed part 11 on axis 7 and three loops.Depressed part 11 is annular groove 53, near macro-axis 6.Depressed part 11 is the expansion driving conical surface 13 away from the wall of cutter shaft 1 small end, and depressed part 11 is near the axis of the vertical cutter shaft 1 of wall 14 of cutter shaft 1 small end; The bottom land 15 of depressed part 11 is coplanar cylindrical with little axle 9.The bottom land 16 of chip area 12 is cylindrical, and its diameter is greater than the diameter of the bottom land 15 of depressed part 11.The bottom land 17 of axial blade chute 10 is plane.

Blade 2 is strip, comprise blade body 18, projection is on blade body 18 lateral surface 20, by multiple blades formed along cutter shaft 1 axial distribution, respective independently projection 19, the lateral surface 20 of blade body 18 is equipped with near the two ends of blade body 18 spring retention groove 21, the spring retention groove 22 of circumference distribution, the medial surface 35 of blade body 18 is inwardly convexly equipped with coordinate with depressed part 11 first in protuberance 23 and with expansion drive cone 8 to coordinate second in protuberance 24.In first, protuberance 23 comprises the expansion conical surface 25 driving the conical surface 13 to coordinate with the expansion of depressed part 11, just to the medial surface 26 of the bottom land 15 of depressed part 11, coordinates near the wall 14 of cutter shaft 1 small end with depressed part 11, the vertical plane 27 of the axis of vertical blades 2.In second, protuberance 24 comprises the expansion conical surface 28 driving cone 8 to coordinate with expansion, and just to the medial surface 29 of little axle 9, in second, protuberance 24 deviates from the face 30 of the expansion conical surface 28 and the end face of blade body 18.Single protruding 19 of blade is the equilateral triangle comprising limit 31 and limit 32 at the shape of cross section through the protruding peak of 19 and the axis of cutter shaft 1.The single side of protruding 19 33 is connected with side 34 and is distributed on same cylindrical surface.The face that the medial surface 35 of blade body 18 coordinates with the bottom land 17 of axial blade chute 10 is plane.

Blade axial positioning mechanism comprises positioning link 36, abutment sleeve 37, place kick 38.

Positioning link 36 is stepped, the macro-axis 39 of positioning link 36 mates with the outside dimension of the blade body 18 be installed together, the empty avoiding circle blind hole 40 of the little axle 9 of empty avoiding cutter shaft 1 and the accommodating place kick depressed part 41 of accommodating place kick 38 is provided with in positioning link 36, the macro-axis 39 of positioning link 36 is provided with and is communicated with and the blade storage tank 42 coordinated with axial blade chute 10, the periphery of the macro-axis 39 of positioning link 36 is provided with and is communicated with and the spring retention groove 43 coordinated with the spring retention groove 22 in blade body 18, the periphery of the little axle 44 of positioning link 36 is provided with external thread part 45.

Abutment sleeve 37 comprises the cylindrical portion 46 matched with macro-axis 39 external diameter of positioning link 36, with hold greatly the tapered portion 47 be connected with cylindrical portion 46, in abutment sleeve 37, be provided with the screwed hole 48 coordinated with the external thread part 45 of positioning link 36, run through the end face of tapered portion 47 and the accommodating through hole 49 of place kick of screwed hole 48 bottom surface.

Place kick 38 is arranged in the accommodating through hole 49 of place kick, abutment sleeve 37 is connected on positioning link 36 by screwed hole 48 and external thread part 45 threaded engagement of positioning link 36, place kick 38 is contained in the accommodating through hole of place kick 49 and accommodating place kick depressed part 41, place kick 38 side is by accommodating place kick depressed part 41 axial location, and opposite side is by place kick accommodating through hole 49 axial location also outstanding abutment sleeve 37.

Blade 2 stretches in the blade storage tank 42 of positioning link 36 towards one end of positioning link 36, and is arranged in spring retention groove 22 by spring 4 and blade 2 and positioning link 36 is installed together, and protrudes abutment sleeve 37.

Stage clip 5 is enclosed within the axis 7 of cutter shaft 1, blade 2 is arranged in axial blade chute 10, blade 2 first in the expansion conical surface 25 of protuberance 23 fill the span of a man's arms and drive on the conical surface 13 in the expansion of the depressed part 11 of cutter shaft 1, blade 2 second in the expansion conical surface 28 of protuberance 24 fill the span of a man's arms and drive in cone 8 in the expansion of cutter shaft 1, together with by spring 3 four blades 2 being filled the span of a man's arms with cutter shaft 1.Again blade 2 is arranged in the blade storage tank 42 of positioning link 36, is arranged in spring retention groove 22 and spring retention groove 43 by spring 4 and positioning link 36 and blade 2 are installed together.At blade 2 unswollen state, by the elastic force of spring 3, spring 4 to the radial location of four blades 2, by the vertical plane 27 of protuberance 23 in first keep out depressed part 11 on the wall 14 of cutter shaft 1 small end to the radial location of four blades 2, thus still to determine with the installation site relation of cutter shaft 1 be subject to the effect of the axial elastic force of stage clip 5 at blade 2 under.Stage clip 5 side is kept out by the cascaded surface of cutter shaft 1, and side is kept out by blade 2.The bottom land 50 at blade storage tank 42 kept out by blade 2 under the elastic force effect of stage clip 5.On the blade 2 more than two panels of filling the span of a man's arms together, corresponding protruding 19 circumference distributions form the ring-type disconnected.On the blade 2 of filling the span of a man's arms together, the distribution of corresponding spring retention groove 21 circumference forms the ring-type disconnected, and the spring retention groove 43 circumference distribution on the blade 2 of filling the span of a man's arms together on corresponding spring retention groove 22 and positioning link 36 forms the ring-type of disconnection.

Spring 3 is contained in spring retention groove 21 completely, and spring 4 is contained in spring retention groove 22 and spring retention groove 43 completely.Projection 19 radial direction be arranged on the blade 2 in axial blade chute 10 protrudes cutter shaft 1.Blade 2 in process by bottom land 50 axial location of blade storage tank 42.

The method of processing work comprises:

Blade 2, cutter shaft 1, positioning link 36, abutment sleeve 37, place kick 38 are synchronized with the movement and stretch in the blind hole 52 of workpiece 51, until place kick 38 is kept out at the bottom of the hole of blind hole 52, the bottom land 50 at blade storage tank 42 kept out by blade 2 under the elastic force effect of stage clip 5, and blade 2 is axially located;

After blade 2 axial location, cutter shaft 1 and blade 2 synchronous rotary, simultaneously cutter shaft 1 in axial blade chute 10 towards place kick 38 and workpiece 51 axially-movable, drive the conical surface 13 to slide at the expansion conical surface 25 by expansion, drive cone 8 to slide on the expansion conical surface 28 driving blade 2 radial outward movement, on the blade 2 more than two panels of filling the span of a man's arms together, corresponding protruding 19 extruding workpiece 51 on same circle, the hole wall of the blind hole 52 of workpiece 51 is processed a circle groove 53; The cross sectional shape that groove 53 crosses the axis of the blind hole 52 on workpiece 51 is identical with the shape of cross section of the axis of cutter shaft 1 at the peak through protruding 19 with projection 19 corresponding on blade 2; Every sheet blade 2 there are how many protruding 19, the hole wall of the blind hole 52 on workpiece 51 are just formed how many circle groove 53;

In process, bottom land 50 pairs of blade 2 axial location at blade storage tank 42 are kept out by the end face of blade 2 one end in side, opposite side by the elastic force of stage clip 5, cutter shaft 1 in axial blade chute 10 towards acting on the axial force of blade 2 when place kick 38 and workpiece 51 axially-movable to blade 2 axial location, make blade 2 relative positioning ball 38 and workpiece 51 without the motion of axial direction;

After completing workpiece 51 processing, cutter shaft 1 is towards the direction counter motion deviating from workpiece 51, when the projection 19 of blade 2 does not also deviate from the groove 53 on workpiece 51, the axially-movable of blade 2 is restricted, and blade 2 radially-inwardly moves and slides axially in axial blade chute 10 with relative cutter shaft 1 under the elastic force effect of spring 3, spring 4; Deviate from the groove 53 on workpiece 51 in the projection 19 of blade 2 after, the axially-movable of blade 2 is no longer restricted, blade 2 is with cutter shaft 1 axially-movable, molding cutter exits workpiece 51, blade 2 first in the expansion conical surface 25 of protuberance 23 fill the span of a man's arms and drive on the conical surface 13 in the expansion of the depressed part 11 of cutter shaft 1, blade 2 second in the expansion conical surface 28 of protuberance 24 fill the span of a man's arms and drive cone 8 upper at cutter shaft 1.

Embodiment 2

As shown in Figure 7 to 9, as different from Example 1, molding cutter is the drill bit of the groove on the hole wall of processing work, the blade of blade single protruding 71 side form pointed shape, comprise the plane 74 coplanar with the side 73 of the side of blade body 72, the inclined-plane 76 that the side 75 opposing with the side 73 of blade body 72 tilts.Plane 74 is not connected with the top on inclined-plane 76.

Processing method as different from Example 1, in process, protruding 71 cutting workpieces accordingly on same circle on the blade more than two panels of filling the span of a man's arms together, process a circle groove by the hole wall of the blind hole of workpiece.

Embodiment 3

As shown in Figure 10 to Figure 13, as different from Example 1, cutter shaft 90 comprises macro-axis 91, the axis 92 be connected with macro-axis 91 end face, the little axle 93 be connected with the end face of axis 92.Little axle 93 is convexly equipped with for the outward radial motion of driving blade 103 and the dilation protuberance 94 being used for driving the inside outer radial motion of blade 103, be used for driving the expansion of blade 103 outward radial motion to drive the conical surface 95 to be arranged on towards the side of the free end of cutter shaft 90, form with cutter shaft 90 the contraction depressed part 96 being used for driving blade 103 radially to move at the side dilation protuberance 94 of the free end deviating from cutter shaft 90, shrink and form contraction with driving the conical surface 97 with the sidewall of depressed part 96, expansion on cutter shaft 90 drives the conical surface 95 to drive the taper direction of the conical surface 97 consistent with contraction.

The medial surface 99 of blade body 98 is provided with the dilation depressed part 100 coordinated with the dilation protuberance 94 of cutter shaft 90, the cell wall that dilation depressed part 100 deviates from cutter shaft 90 free end forms the expansion conical surface 101 being used for driving the motion of blade 103 outward radial, driving the conical surface 95 to coordinate with the expansion of cutter shaft 90, and dilation depressed part 100 is used for towards the cell wall formation of cutter shaft 90 free end the contraction conical surface 102 that driving blade 103 radially moves, drives the conical surface 97 to coordinate with the contraction of cutter shaft 90.

Processing work

Method comprise as different from Example 1:

After completing little axle 93 processing of workpiece, cutter shaft 90 is towards the direction counter motion deviating from the little axle 93 of workpiece, when the groove 105 of blade 103 on the hole wall not deviating from the blind hole 104 on the little axle 93 of workpiece, the axially-movable of blade 103 is restricted, and blade 103 relatively cutter shaft 90 slides axially in blade chute 106; After the contraction of blade 103 contacts with the contraction depressed part 96 of cutter shaft 90 with the conical surface 102, the elastic force of spring 107, spring 108 makes blade 103 radially-inwardly move, and drives slip on the conical surface 97 to drive blade 103 radially-inwardly to move by the contraction conical surface 102 of blade 103 in the contraction of cutter shaft 90 simultaneously;

Deviate from the groove 105 on the hole wall of the blind hole 104 of the little axle 93 of workpiece at blade 103 after, the axially-movable of blade 103 is no longer restricted, blade 103 is with cutter shaft 90 axially-movable, molding cutter exits the little axle 93 of workpiece, and the expansion conical surface 101 on the dilation depressed part 100 of blade 103 is filled the span of a man's arms on the expansion driving conical surface 95 of the dilation protuberance 94 of cutter shaft 90.

Embodiment 4

As shown in Figure 14 to Figure 16, as different from Example 2, molding cutter is the drill bit in processing direct light hole.Blade 122 on every sheet blade 121 lateral surface is as a whole, and the side of blade 122 forms pointed shape, comprises the plane 125 coplanar with the side 124 of the side of blade body 123, the inclined-plane 127 that the side 126 opposing with the side 124 of blade body 123 tilts.Plane 125 is connected with the top on inclined-plane 127.

The method of processing work comprises:

Blade 121, cutter shaft 128 are synchronized with the movement and stretch in the blind hole 131 of workpiece 130, until place kick 129 is kept out at the bottom of the hole of blind hole 131, blade 121 is axially located;

After blade 121 axial location, cutter shaft 128 and blade 121 synchronous rotary, cutter shaft 128 slides axially towards place kick 129 and workpiece 130 in axial blade chute 138 simultaneously, drive the conical surface 132 to slide at the expansion conical surface 133 by expansion, drive cone 134 to slide on the expansion conical surface 135 driving blade 121 radial outward movement, the hole wall fine finishining of the blind hole 131 of blade 122 pairs of workpiece 130 in blade 121 radial outward movement process;

After completing the hole wall fine finishining to the blind hole 131 of workpiece 130, cutter shaft 128 is towards the direction counter motion deviating from workpiece 130, when blade 121 does not depart from the hole wall of blind hole 131 of workpiece 130 in radial direction, the axially-movable of blade 121 is restricted due to frictional force, blade 121 under the elastic force effect of spring 136, spring 137 radially-inwardly motion slide axially with in the axial blade chute 138 on relative cutter shaft 128, after blade 121 radial direction departs from workpiece 130, the axially-movable of blade 121 be not restricted, blade 121 also can at spring 136, under the elastic force effect of spring 137, radially-inwardly motion slides axially in axial blade chute 138 with relative cutter shaft 128, until the expansion conical surface 133 of protuberance 139 is filled the span of a man's arms on the expansion driving conical surface 132 of the depressed part 140 of cutter shaft 128 in first of blade 121, blade 121 second in the expansion conical surface 135 of protuberance 141 fill the span of a man's arms in the driving cone 134 of cutter shaft 128, blade 121 is with cutter shaft 128 axially-movable, molding cutter exits workpiece 130.

Embodiment 5

As shown in Figure 17 to Figure 20, as different from Example 2, molding cutter is the cutter of the cannelure 163 on the hole wall of through hole 162 on shaping workpiece 161.Molding cutter also comprises blade connector 164.

Blade connector 164 comprises the cylindrical portion 166 matched with blade body 165 external diameter be installed together, with hold greatly the tapered portion 167 be connected with cylindrical portion 166, the empty avoiding circular hole 170 of the little axle 169 of empty avoiding cutter shaft 168 is provided with in blade connector 164, the cylindrical portion 166 of blade connector 164 is provided with and is communicated with and the blade storage tank 172 coordinated with the axial blade chute 171 on cutter shaft 168, the periphery of the cylindrical portion 166 of blade connector 164 is provided with and is communicated with and the spring retention groove 174 coordinated with the spring retention groove 173 in blade body 165.

Blade axial positioning mechanism comprises plane bearing 175, the external diameter of plane bearing 175 is greater than the aperture of through hole 162, and the inner circumferential 176 of plane bearing 175 and unswollen state, the distance being arranged in plane bearing 175 periphery 177 of the blade 178 together with filling the span of a man's arms are more than or equal to the distance of blade 178 blade 178 radial outward movement in process; Blade 178 also comprises radial blade blocking part 179 of protruding blade body 165; Plane bearing 175 is provided with blade blocking part storage tank 180.

Stage clip 181 is enclosed within the axis 182 of cutter shaft 168, blade 178 is arranged in axial blade chute 171, blade 178 first in the expansion conical surface 184 of protuberance 183 fill the span of a man's arms and drive on the conical surface 186 in the expansion of the depressed part 185 of cutter shaft 168, blade 178 second in the expansion conical surface 188 of protuberance 187 fill the span of a man's arms and drive in cone 189 in the expansion of cutter shaft 168, together with by spring 190 four blades 178 being filled the span of a man's arms with cutter shaft 168.Again blade 178 is arranged in the blade storage tank 172 of blade connector 164, is arranged in spring retention groove 173 and spring retention groove 174 by spring 191 and blade connector 164 and blade 178 are installed together.

At the unswollen state of the non-radial outward movement of blade 178, by the elastic force of spring 190, spring 191 to the radial location of four blades 178, by the vertical plane 192 of protuberance 183 in first keep out depressed part 185 on the wall 193 of cutter shaft 168 small end to the radial location of four blades 178, thus still to determine with the installation site relation of cutter shaft 168 be subject to the effect of the axial elastic force of stage clip 181 at blade 178 under.Stage clip 181 side is kept out by the cascaded surface 194 of cutter shaft 168, and side is kept out by the blade blocking part 179 of blade 178.The bottom land 195 at blade storage tank 172 kept out by blade 178 under the elastic force effect of stage clip 181.Plane bearing 175 is arranged on outside blade 178, and blade blocking part 179 is arranged in blade blocking part storage tank 180, and axial side, blade blocking part 179 is kept out by plane bearing 175, and side is kept out by stage clip 181.

The method of processing work 161 and embodiment unlike:

Blade 178, cutter shaft 168, blade connector 164, plane bearing 175 are synchronized with the movement and stretch in the through hole 162 of workpiece 161, until plane bearing 175 is kept out on workpiece 161, the bottom land 195 at blade storage tank 172 kept out by blade 178 under the elastic force effect of stage clip 181, and blade 178 is axially located;

After blade 178 axial location, cutter shaft 168 and blade 178 synchronous rotary, simultaneously cutter shaft 168 in axial blade chute 171 towards plane bearing 175 and workpiece 161 axially-movable, drive the conical surface 186 to slide at the expansion conical surface 184 by expansion, drive cone 189 to slide on the expansion conical surface 188 driving blade 178 radial outward movement, on the blade 178 more than two panels of filling the span of a man's arms together, corresponding protruding cutting workpiece 161 on same circle, the hole wall of the through hole 162 of workpiece 161 is processed a ring annular groove 163;

In process, side is kept out on plane bearing 175 by the blade blocking part 179 of blade 178, plane bearing 175 is kept out on workpiece 161 blade 178 axial location, opposite side by the elastic force of stage clip 181, cutter shaft 168 in axial blade chute 171 towards acting on the axial force of blade 178 when place kick and workpiece 161 axially-movable to blade 178 axial location, make blade 178 relative positioning ball and workpiece 161 without the motion of axial direction.

Embodiment 6

As shown in Figure 21 to Figure 25, as different from Example 3, molding cutter is the cutter of the groove 201 on the hole wall of the blind hole 215 of machining workpieces 200, the blade of blade 202 single protruding 203 side form pointed shape, comprise the plane 206 coplanar with the side 205 of the side of blade body 204, the facet 207 of vertical plane 206, the inclined-plane 209 that the side 208 opposing with the side 205 of blade body 204 tilts, connects the cambered surface 210 of inclined-plane 209 and facet 207.

Single protruding 203 of blade is antiparallelogram at the shape of cross section through the protruding peak of 203 and the axis of cutter shaft 211, comprises symmetrical side 212 and side 213, connects the top margin 214 of side 212 and side 213.

Processing method and embodiment unlike, in process, on the blade 202 more than two panels of filling the span of a man's arms together, protruding 203 cutting workpieces 200 accordingly on same circle, the hole wall of the blind hole 215 of workpiece 200 is processed a circle groove 201.

Embodiment 7

As shown in Figure 26 to Figure 30, as different from Example 6, blade 240 blade single protruding 241 be semicircular arc in cross section 243 shape through the protruding peak of 241 and the axis of cutter shaft 242.

The blade of blade 240 single protruding 241 by projection in blade body 244, the hemicone of the axes normal of axis and cutter shaft 242, the inclined-plane 248 tilted by the coplanar plane 246 in the side 245 of the side with blade body 244, the side 247 opposing with the side 245 of blade body 244 cuts two ends of semicylinder, then fillet 250 rounding on half-and-half cylindrical cylindrical surface 249 and inclined-plane 248 is formed.

Embodiment 8

As shown in Figure 31 to Figure 35, as different from Example 2, the blade of every sheet blade 261 is only a projection 262, projection 262 is rectangle in the shape of the cross section through the protruding peak of 262 and the axis of cutter shaft 263, comprise side 264 and side 265, connect the limit 266 of side 264 and side 265.

Embodiment 9

As shown in Figure 36 to Figure 39, as different from Example 6, blade be projection on the lateral surface of blade body 281, along cutter shaft 282 axial distribution, be used for processing work 283 round tube hole 284 hole wall on cannelure (not shown) independently protruding 286 and be used for processing work 287 round blind hole 288 hole wall on the independently projection 290 of cannelure (not shown).Protruding 290 is identical with the structure of protruding 286.

Protruding 286 comprise two straightway 291, straightways 292 arranged side by side in the shape of the cross section through the protruding peak of 286 and the axis of cutter shaft 282, connect the outer contour in the same cross section of blade body 281 and straightway 291 and oblique oblique line section 293 outward, connect the outer contour in the same cross section of blade body 281 and straightway 292 and oblique oblique line section 294 outward, connect straightway 291 other end and interior oblique oblique line section 295, connect straightway 292 other end and interior oblique oblique line section 296, oblique line section 295 and oblique line section 296 link together.Oblique line section 294 is symmetrical about the center of straightway 291, straightway 292 with oblique line section 293.Oblique line section 296 is symmetrical about the center of straightway 291, straightway 292 with oblique line section 295.

Embodiment 10

As shown in figure 40, as different from Example 3, the dilation protuberance 302 of cutter shaft 301 is used for drive the expansion of blade 303 outward radial motion to drive the conical surface 304 side of being formed centrum, the expansion conical surface 306 on the dilation depressed part 305 of blade 303 is plane, the expansion conical surface 306 of blade 303 is filled the span of a man's arms by plane and is driven on the conical surface 304 in the expansion of cutter shaft 301, such blade 303 is face contact when sliding on cutter shaft 301, motion is more steady, greatly reduces the wearing and tearing between blade 303 and cutter shaft 301.

Embodiment 11

As shown in Figure 41 to Figure 43, as different from Example 5, a kind of former, comprise molding cutter 320, base 321, be fixed on the ramuscule bearing 322 on base 321 and big bear seat 323, can in big bear seat 323 back and forth rectilinear motion ground cutter spindle sleeve 324, be arranged on the bearing 325 in cutter spindle sleeve 324, bearing 326, be arranged on the plane bearing 327 in ramuscule bearing 322, drive cutter shaft 328 cutter shaft drive unit rotatably, drive cutter spindle sleeve drive unit, the holder 329 fixing with cutter spindle sleeve 324 of cutter spindle sleeve 324 rectilinear motion back and forth.Ramuscule bearing 322 is arranged between big bear seat 323 and workpiece 330.

Cutter shaft drive unit is included in external gear 331 shaping on periphery, cutter shaft 328 one end, fixing with holder 329, to engage with external gear 331 pinion 332, fixing with holder 329, to drive cutter shaft 328 to rotate motor 333, pinion 332 is arranged in cutter spindle sleeve 324, and the gear shaft 334 of pinion 332 is fixed through holder 329 and the motor 333 driving cutter shaft 328 to rotate.

Cutter spindle sleeve drive unit comprises and is fixed on fixed mount 335 on holder 329 and swivel nut 336, be arranged on the worm screw 337 on fixed mount 335 and be arranged on fixed mount 335 and coaxially fix with worm screw 337, be used for the handwheel 338 that drives worm screw 337 to rotate, be arranged on the bearing 339 on fixed mount 335 and bearing 340, the screw rod 341 on fixed mount 335 is arranged on by bearing 339 and bearing 340, the head of screw rod 341 is the turbine 342 coordinated with worm screw 337, and the end of thread 343 of screw rod 341 is threaded with swivel nut 336.

The structure of molding cutter 320 is identical with embodiment 5.Cutter shaft 328 is installed in rotation in cutter spindle sleeve 324 by bearing 325, bearing 326.Cutter shaft 328 is through plane bearing 327, and other Components installation of molding cutter 320 deviates from the side of big bear seat 323 in ramuscule bearing 322.

By handwheel 338 rotary worm 337, worm screw 337 drives the turbine 342 be engaged with to rotate, screw rod 341 is along with turbine 342 synchronous rotary, to be threaded with swivel nut 336 by the end of thread 343 of screw rod 341 and to drive holder 329 axial linear movement, thus the cutter spindle sleeve 324 of drive installation on holder 329 and cutter shaft 328 axial linear movement be arranged in cutter spindle sleeve 324, axial direction from cutter shaft 328 to workpiece 330 motion time, blade 344 radial outward movement, processes workpiece 330.

Embodiment 12

As shown in figure 44, as different from Example 11, be arranged on fixed mount 361 coaxially fix with worm screw 362, what be used for driving worm screw 362 to rotate is drive motors 363.Drive worm screw 362 by drive motors 363, when processing work 364, radial feed can be very little, even can realize continuous feed.

Embodiment 13

As shown in Figure 45, Figure 46, also comprise holder 381 as different from Example 11.Blade axial positioning mechanism comprises positioning link 382, tapered bearing 383; Tapered bearing 383 comprises inner sleeve 384 and the overcoat 385 fixing with holder 381; Positioning link 382 is stepped, the macro-axis 386 of positioning link 382 is provided with and is communicated with axial blade chute 387 and the blade storage tank 388 coordinated, is communicated with and the spring retention groove 391 coordinated with the spring retention groove 390 in blade body 389; Blade 392 stretches in the blade storage tank 388 of positioning link 382 towards one end of positioning link 382, and by spring 393, blade 392 and positioning link 382 are installed together, the inner sleeve 384 of tapered bearing 383 is fixed on positioning link 382 with through hole 395 tight fit of tapered bearing 383 inner sleeve 384 by the little axle 394 of positioning link 382.When processing work, the inner sleeve 384 of tapered bearing 383 to be arranged in overcoat 385 and axially to be kept out by overcoat 385, thus to blade 392 axial location.In rough, the inner sleeve 384 of tapered bearing 383 is separated with overcoat 385.

Claims

1. a molding cutter, comprises the blade of more than cutter shaft, two panels, it is characterized in that: be also included in the spring that blade machining state keeps the blade axial positioning mechanism of blade axis invariant position, blade radial direction is resetted together with being filled the span of a man's arms by blade; Cutter shaft comprises the expansion driving conical surface being arranged on and cutter shaft being used for driving the motion of blade outward radial, is arranged on the axial blade chute with blades fit on cutter shaft; Blade comprises blade body, the blade of projection on blade body lateral surface, the lateral surface of blade body is equipped with near the two ends of blade body the spring retention groove of circumference distribution, is provided with in the inner side of blade body and expands with the expansion conical surface driving cone match; Blade is arranged in blade slides groove, and at blade unswollen state, the expansion conical surface of blade is filled the span of a man's arms on cutter shaft on the corresponding expansion driving conical surface, and fills the span of a man's arms by spring on cutter shaft by blade; The blade radial direction be arranged in axial blade chute protrudes cutter shaft.

2. a kind of molding cutter as claimed in claim 1, is characterized in that: also comprise stage clip, and described cutter shaft is multidiameter; Compression spring sleeve is on cutter shaft, and side is kept out by the cascaded surface of cutter shaft, and side is kept out by blade.

3. a kind of molding cutter as claimed in claim 2, is characterized in that: on the medial surface of blade body, be inwardly convexly equipped with protuberance in first, and the described expansion conical surface to be arranged in described first on protuberance; Cutter shaft is provided with the depressed part coordinated with protuberance in first, and the described expansion driving conical surface is arranged on depressed part; At blade unswollen state, on described blade first, protuberance is arranged in the depressed part on cutter shaft.

4. a kind of molding cutter as claimed in claim 3, is characterized in that: described depressed part is annular groove, and the expansion that depressed part is taper away from the wall of cutter shaft small end drives the conical surface, and depressed part is near the axis of the vertical cutter shaft of wall of cutter shaft small end; Blade deviates from the axis of the face vertical blades of the expansion conical surface.

5. a kind of molding cutter as claimed in claim 4, it is characterized in that: cutter shaft comprises macro-axis, the axis be connected with large axial end, the expansion that large end is connected with axis, drive the conical surface to be formed by described expansion drives cone, the little axle driving cone small end to be connected with expansion, be arranged on one on axis to enclose with the chip area of upper annular, described depressed part is arranged on axis, and described axial blade chute runs through axis and drives cone with described expansion; The medial surface of blade body is also inwardly convexly equipped with drive cone and described little axle to coordinate with described expansion second in protuberance, in second, protuberance comprises the described expansion conical surface driving taper fit with expansion.

6. a kind of molding cutter as claimed in claim 1, it is characterized in that: be convexly equipped with for driving the motion of blade outward radial and being used for the dilation protuberance that drives blade radially to move on cutter shaft, the expansion driving conical surface described on cutter shaft is arranged on the side of protuberance towards the free end of cutter shaft, the contraction depressed part being used for driving blade radially to move is formed at the side dilation protuberance of free end and cutter shaft that deviate from cutter shaft, the sidewall of contraction depressed part is formed and shrinks with driving the conical surface, expansion on cutter shaft drives the conical surface to drive the taper direction of the conical surface consistent with contraction, described blade body is provided with the dilation depressed part coordinated with the dilation protuberance of cutter shaft, the cell wall that dilation depressed part deviates from cutter shaft free end forms the described expansion conical surface, and dilation depressed part is used for driving blade radially to move, driving the contraction conical surface of cone match with the contraction of cutter shaft towards the cell wall formation of cutter shaft free end.

7. a kind of molding cutter as claimed in claim 1, is characterized in that: described molding cutter is the cutter of processing blind hole; Described blade axial positioning mechanism comprises positioning link, abutment sleeve, place kick; Positioning link comprises stair-stepping columniform positioning link, the macro-axis of positioning link is provided with and is communicated with to axial blade chute and the blade storage tank coordinated, the spring retention groove corresponding with in blade body are communicated with and the spring retention groove coordinated, the periphery of the little axle of positioning link is provided with external thread part; Abutment sleeve comprises the cylindrical portion matched with the macro-axis external diameter of positioning link, with hold greatly the tapered portion be connected with cylindrical portion, in abutment sleeve, be provided with the screwed hole coordinated with the external thread part of positioning link, run through the end face of tapered portion and the accommodating through hole of place kick of screwed hole bottom surface; Blade stretches in the blade storage tank of positioning link towards one end of positioning link, and by described spring, blade and positioning link are installed together, place kick to be arranged in the accommodating through hole of place kick and to protrude the accommodating through hole of place kick, and abutment sleeve is connected on positioning link by the external thread part matching thread of screwed hole and positioning link; Place kick side is by positioning link axial location, and opposite side is by the accommodating through hole axial location of place kick also outstanding abutment sleeve; Blade in process by the bottom land axial location of blade storage tank.

8. a kind of molding cutter as claimed in claim 1, is characterized in that: described molding cutter is the molding cutter of the groove on the hole wall of processing work; Described blade on every sheet blade is projection in blade body more than along cutter shaft axial distribution, independently protruding separately, single projection is pointed shape or trapezoidal or arc or rectangle at the shape of cross section of the axis through protruding peak and cutter shaft, and on the blade more than two panels of filling the span of a man's arms together, corresponding protruding circumference distribution forms the ring-type disconnected.

9. a kind of molding cutter as claimed in claim 1, is characterized in that: described molding cutter is the molding cutter of the groove on the hole wall of processing work; Described blade on every sheet blade is projection in blade body more than along cutter shaft axial distribution, independently protruding separately; The side of single projection is distributed on same cylindrical surface or the side of single projection forms pointed shape; On the blade more than two panels of filling the span of a man's arms together, corresponding protruding circumference distribution forms the ring-type disconnected.

10. a kind of molding cutter as claimed in claim 1, is characterized in that: described molding cutter is the drill bit of the hole wall in the direct light hole of processing work; Described blade on described every sheet blade is as a whole, and the side of blade forms pointed shape.

11. a kind of molding cutters as claimed in claim 2, is characterized in that: described molding cutter is the cutter of processing through hole; Described blade axial positioning mechanism comprises plane bearing, and the external diameter of plane bearing is greater than the aperture of through hole; Described blade also comprises radial blade blocking part of protruding blade body; Plane bearing is provided with blade blocking part storage tank; Plane bearing is arranged on outside blade, and the blocking part of blade is arranged in the storage tank of blade blocking part, and axial side, blade blocking part is kept out by plane bearing, and side is kept out by stage clip.

12. a kind of molding cutters as claimed in claim 1, is characterized in that: described molding cutter is the cutter of processing through hole; Described blade axial positioning mechanism comprises positioning link, tapered bearing; Tapered bearing comprises inner sleeve and the overcoat fixing with body; Positioning link is stepped, the macro-axis of positioning link is provided with and is communicated with axial blade chute and the blade storage tank coordinated, is communicated with and the spring retention groove coordinated with the spring retention groove in blade body; Blade stretches in the blade storage tank of positioning link towards one end of positioning link, and by described spring, blade and positioning link are installed together, the inner sleeve of tapered bearing is fixed on positioning link by the through hole tight fit of the little axle of positioning link and tapered bearing inner sleeve; When processing work, tapered bearing inner sleeve is arranged in overcoat.

13. 1 kinds of formers comprising the molding cutter as described in claim 1 to 12, it is characterized in that: also comprise support, to be arranged on support, can on support linear slide ground cutter spindle sleeve back and forth, drive cutter shaft cutter shaft drive unit rotatably, drive the cutter spindle sleeve drive unit of cutter spindle sleeve rectilinear motion back and forth; What the relative cutter spindle sleeve of cutter shaft only can forward to is arranged in cutter spindle sleeve.

14. formers as claimed in claim 13, is characterized in that: also comprise the holder fixing with cutter spindle sleeve; Cutter spindle sleeve drive unit comprises and is fixed on fixed mount on holder and swivel nut, be arranged on the worm screw on fixed mount and worm drive mechanism, be arranged on the tapped through hole on fixed mount, the end of thread is through the screw rod of tapped through hole, the head of screw rod is the turbine coordinated with worm screw, and screw flight end is threaded with swivel nut.

15. 1 kinds of methods using molding cutter processing work, molding cutter comprises the blade of more than cutter shaft, two panels, it is characterized in that being provided with on cutter shaft for driving the expansion of blade outward radial motion to drive the conical surface, blade being provided with and expanding with the expansion conical surface driving cone match;

The method of processing work comprises:

In process, blade opposite piece moves without axial direction.

16. a kind of methods using molding cutter processing work as claimed in claim 15, is characterized in that: molding cutter also comprises the spring that blade radial direction is resetted together with being filled the span of a man's arms by blade; With the axial blade chute of blades fit on cutter shaft; Blade is strip, comprises blade body, the blade of projection on blade body lateral surface, and the lateral surface of blade body is equipped with near the two ends of blade body the spring retention groove of circumference distribution, and the described expansion conical surface is arranged on the inner side of blade body; Blade is arranged in blade slides groove, and at blade unswollen state, the expansion conical surface of blade is filled the span of a man's arms on the expansion driving conical surface, and fills the span of a man's arms by spring on cutter shaft by blade; The blade radial direction be arranged in axial blade chute protrudes cutter shaft;

The method of processing work comprises:

Cutter shaft and blade synchronous rotary, cutter shaft is towards in workpiece axial movement simultaneously, and blade slides in blade chute relative to cutter shaft;

After completing work pieces process, cutter shaft is towards the direction counter motion deviating from workpiece, blade radially-inwardly moves and slides axially in blade chute with relative cutter shaft under the elastic force effect of spring, and molding cutter exits workpiece, and the expansion conical surface of blade resets and fills the span of a man's arms on the expansion driving conical surface of cutter shaft.

17. a kind of methods using molding cutter processing work as claimed in claim 15, is characterized in that: described molding cutter is the cutter of processing blind hole, and described molding cutter also comprises the place kick be installed together with blade;

Processing method comprises:

18. a kind of methods using molding cutter processing work as claimed in claim 15, is characterized in that: described molding cutter is the cutter of processing through hole; Described molding cutter comprises plane bearing, and the external diameter of plane bearing is greater than the aperture of through hole; Described blade also comprises blocking part; Plane bearing is provided with blade blocking part storage tank; Blade is arranged in described axial blade chute through plane bearing, and the blocking part of blade is arranged in the storage tank of blade blocking part, and axial side, blade blocking part is kept out by light spherical bearing;

Processing method comprises:

19. a kind of methods using molding cutter processing work as claimed in claim 15, is characterized in that: described molding cutter is the molding cutter of the groove on the hole wall of processing work; Described blade on every sheet blade is projection in blade body more than along cutter shaft axial distribution, independently protruding separately, single projection is pointed shape or trapezoidal or arc or rectangle at the shape of cross section of the axis through protruding peak and cutter shaft, and on the blade more than two panels of filling the span of a man's arms together, corresponding protruding circumference distribution forms the ring-type disconnected;

The method of processing work comprises: