CN208067405U - A kind of facing cut cutter and lathe - Google Patents

Abstract

The utility model discloses a kind of facing cut cutter and lathe, it is solved in the case of cutter absolute growth is longer in the prior art, occur quivering knife the problem of, have the advantageous effect for realizing blade and workpiece point contact, scheme as follows：A kind of facing cut cutter, including cutterhead, cutterhead outer are equipped at least one blade fixed part, and each cutterhead fixed part is provided with insert groove, and blade is fixedly arranged in insert groove, and the blade of blade is pointed and workpiece to be machined surface is point contact；Ranging from 30 °~55 ° of the knife edge angular of the blade；Angle between the blade and workpiece to be machined surface of the blade is equal to 90 °.

Description

A kind of facing cut cutter and lathe

Technical field

The utility model is related to milling cutter manufacture fields, more particularly to a kind of facing cut cutter and lathe.

Background technology

Existing face milling cutters need cutter absolutely long in conventional operating mode using all there is no problem, but at some on the market Under the very long operating mode of degree, since the cutter cutter hub workpiece way of contact is mostly line or face contact, so always will appear asking for the knife that quivers Topic, and then work in-process causes to damage or process not in place to workpiece surface, causes part workpiece surface quality that use is not achieved It is required that.

Utility model content

A kind of in order to overcome the deficiencies of the prior art, the utility model provides facing cut cutter, the cutter are suitable for absolute The longer tool Milling Process of length, avoids knife problem of quivering.

A kind of concrete scheme of facing cut cutter is as follows：

A kind of facing cut cutter, including cutterhead, cutterhead outer are equipped at least one blade fixed part, and each cutterhead fixed part is opened There are insert groove, blade to be fixedly arranged in insert groove, the blade of blade is pointed for point contact or to be approached with workpiece to be machined surface Point contact.Knife-blade is the point contact state or points of proximity contact condition that tip shape ensure that blade and workpiece in the cutter If (with set angle, blade is close to point contact shape with workpiece for radian or blade relief of the blade point of a knife with setting State), and non-thread contact or face contact, influence of the knife to workpiece surface quality of quivering is avoided, accordingly even when still in the case where cutter is grown and hangs depth Good surface roughness can so be processed.

Further, in order to ensure that cutter and workpiece are point contact, ranging from 30 °~55 ° of the knife edge angular of the blade.

Further, preferably, the angle between the blade of the blade and workpiece to be machined surface is equal to 90 °, the position that blade is installed is that the angle between two sides and cutterhead upper surface of blade is more than or equal to 90 °, preferably knife The outer side edges of piece are equal to 90 ° with the angle of cutterhead upper surface.

Further, the blade of the blade protrudes cutterhead setting, and the external profile diameter of blade is slightly larger than the diameter of cutterhead.

Further, the blade is set to by blade fixing piece in the insert groove, the shape and blade of insert groove Fixing piece is adapted.

Further, the blade fixing piece is knife bar or cutter holder, alternatively, knife bar is turning tool rod, knife bar and cutterhead gap Cooperation after first blade and knife bar or cutter holder are connected, then is fixed on cutterhead, such blade is fixed more when mounted Securely.

In another embodiment, the blade is directly fixed in the insert groove.

Further, the cutterhead uses high-strength aluminum alloy material, and aluminium alloy is lighter relative to steel cutter hub, and Cutter hub intensity requirement can be met.

Further, the cutterhead side is provided with arc groove, and side is provided in arc groove and consolidates trepanning, side is consolidated detachable in trepanning Equipped with fastener, fastener is bolt, which can be side fixing bolt hole, and interior to be equipped with screw thread, arc groove consolidates spiral shell for installation side The empty avoiding done when bolt is equipped with the insert groove described in one, shape and turning tool rod or the knife of insert groove between each adjacent two arc groove The shape of folder is equipped with；Side fixing bolt hole is through-hole, for fastening bolt to be scheduled on turning tool rod, makes turning tool rod and cutterhead knife Film trap groove face fits.

Further, the cutterhead end face is provided with the core axle hole for cutterhead to be fixed on to handle of a knife, and core axle hole side is set Positioning spline is set, positioning spline is for transmitting torque, to realize the operating of cutter.

Further, at least one interior cold hole being connected to coolant liquid, the axis in interior cold hole is arranged in the cutterhead other end Line is directed at the blade of blade, it is ensured that coolant liquid is just sprayed onto on blade, the setting quantity in interior cold hole and the setting quantity phase of blade Together, the size in interior cold hole aperture is designed according to cold pressure, flow in cutterhead size, lathe etc., preferably 2~Φ of aperture Φ 6, it can ensure to be fully cooled blade.

Further, the blade fixing piece be provided with for fastener such as bolt pass through to compress the pressure of blade fixing piece Tight trepanning, it can be hold-down bolt hole to compress trepanning, and hold-down bolt hole is mainly determined according to cutter hub thickness, plays compression knife bar, Knife bar is set to be fitted closely with impeller vane slot groove face.

Further, the cutterhead is provided with height adjustment trepanning to adjust the height of blade fixing piece in the side of insert groove Degree, height, which adjusts, is detachably equipped with fastener in trepanning, fastener is bolt, and it can be height adjustment bolt that height, which adjusts trepanning, Hole, height adjustment bolt hole are set to cutter nose circle face, and such bolt passes through height adjustment bolt hole and the blade in insert groove solid Determine part connection, the height of such blade i.e. the axial position of blade fixing piece such as turning tool rod are adjustable, easily manufactured, are applicable in model It encloses extensively, the height of knife-blade is identical.

Further the intersection extended line of the blade rake face cross section vertical with cutter axis is by blade Heart line；Preferably, the cross section is arranged close to cutterhead upper surface.

Further, the cutterhead upper surface is plane, and blade rake face is vertically arranged with cutterhead upper surface.

Further, the extended line of cross section projection line passes through cutter head center.

The knife-blade tip is equipped with the fillet less than or equal to R3；

Alternatively, knife-blade tip is equipped with fillet, the radius of fillet is 0.2-3mm.

In addition, there is blade relief set angle, the angle can ensure normal use (such as the cutter of cutter when processing Will not breaking easily), and it is avoided that the knife that quivers.Preferably the angle of relief angle is more than or equal to 5 degree.Alternatively, cutter Relief angle is less than or equal to 25 degree.

For overcome the deficiencies in the prior art, the utility model additionally provides a kind of face milling cutters lathe, using according to A kind of facing cut cutter.

For overcome the deficiencies in the prior art, the utility model additionally provide it is a kind of avoid milling cutter tool from quivering the method for knife, Workpiece to be machined is processed using a kind of facing cut cutter.

Compared with prior art, the utility model has the beneficial effects that：

1) it is pointed at by the setting of every knife-blade or close to wedge angle, be ensure that when not applying cutting force, each Blade can be with the state close to point contact of workpiece, and when ensureing tool sharpening, the contact area of blade and workpiece is as far as possible It is small, avoid influence of the knife to workpiece surface quality of quivering.

2) blade is fixed by guide rod or cutter holder, it is easy to operate, and pass through side fixing bolt hole, hold-down bolt hole With the setting in height adjustment bolt hole, the convenient position to blade adjusts.

3) by the setting in interior cold hole, ensure the lubricant effect of blade.

4) cutterhead is done by high-strength aluminum alloy material, quality is lighter under same volume, the deformation of horizontal Machining centers boring bar Small, easily manufactured, difficulty of processing is small, and input cost is low.

Description of the drawings

The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.

Fig. 1 is 1 structural schematic diagram one of the utility model embodiment；

Fig. 2 is 1 structural schematic diagram two of the utility model embodiment；

Fig. 3 is that blade fixes schematic diagram with turning tool rod in the utility model embodiment 1；

In figure, 1. blades, 2. turning tool rods, 3. cutterheads, in 4. cold hole, 5. side fixing bolt holes, 6. hold-down bolt holes, 7. height Adjustment bolt hole, 8. core axle holes, 9. positioning splines.

Specific implementation mode

It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.

As background technology is introduced, the deficiencies in the prior art, in order to solve technical problem as above, this Shen It please propose a kind of facing cut cutter.

In a kind of typical embodiment of the application, as depicted in figs. 1 and 2, a kind of facing cut cutter, including cutterhead 3, knife 3 outer of disk is equipped at least one blade fixed part, and each cutterhead fixed part is provided with insert groove, and blade 1 is fixedly arranged in insert groove, knife The blade of piece 1 is pointed, when not applying cutting force, each blade can with workpiece to be machined work surface point contact or Points of proximity contact condition.1 blade of blade is tip shape in the cutter, ensure that the point contact state of blade and workpiece, ensures knife The contact area of piece and workpiece is small as far as possible, avoids influence of the knife to workpiece surface quality of quivering, accordingly even when outstanding in cutter length Still good surface roughness can be processed under stretching.Cutterhead uses high-strength aluminum alloy material, and aluminium alloy is relative to steel knife Body is lighter, and can also meet cutter hub intensity requirement.

In order to ensure that cutter and workpiece are point contact, the knife edge angular ranging from 20-70 degree of blade 1, preferably 30 °~ 55 °, the preferred diamond shaped insert of shape of blade, can also be the blade of other shapes, and multiple blades 1 are equipped with around 3 circumference of cutterhead. Preferably, the angle between the blade of blade 1 and workpiece to be machined surface is equal to 90 °, and the position of blade installation is knife Angle between two sides of sword and cutterhead upper surface is more than or equal to 90 °, and preferably the outer side edges of blade are the same as cutterhead upper surface Angle be equal to 90 °.

Stability when preferably, in order to use raising service life and increase processing, blade rake face and knife The intersection of the vertical cross section of disk axis, can extend past the center line of blade.The cross section is preferably adjacent to cutterhead upper surface.

Cutterhead upper surface is preferably plane, and blade rake face is preferably vertical with cutterhead upper surface.

Preferably, to ensure that center is high, knife-blade passes through cutterhead in the extended line of cutterhead cross section projection line Center.

Preferably, in order to realize that point contact, blade tip are equipped with the fillet less than or equal to R3 as far as possible, further The radius of fillet is preferably 0.2-3mm.

Meanwhile there is blade relief set angle, the angle can ensure normal use (such as the cutter of cutter when processing Will not breaking easily), and it is avoided that the knife that quivers.Preferably the angle of relief angle is more than or equal to 5 degree.Further, knife The relief angle of tool is less than or equal to 25 degree.

The blade of blade 1 protrudes cutterhead setting, and the external profile diameter of blade 1 is slightly larger than the diameter of cutterhead.

Blade 1 is set to by blade fixing piece in insert groove, and shape and the blade fixing piece of insert groove are adapted.

Blade fixing piece is knife bar or cutter holder, alternatively, knife bar is turning tool rod 2, as shown in figure 3, knife bar is matched with 3 gap of cutterhead It closes, when mounted, after first blade 1 and knife bar or cutter holder are connected, then is fixed on cutterhead 3, such blade 1 is fixed more Securely.

As one of which scheme, blade selects lathe tool blade, and structure is blade structure；

Alternatively, cutterhead is arranged in the prominent part of blade processing department, the shape of the blade processing department shape and lathe tool blade processing section It is adapted.

3 side of cutterhead is provided with arc groove, and side fixing bolt hole 5 is provided in arc groove, and two sides fixing bolt hole is arranged in certain 5, arc groove is used for the empty avoiding done when installation side fixing bolt, and an insert groove is equipped between each adjacent two arc groove, insert groove Shape and the shape of turning tool rod or cutter holder are equipped with；Side fixing bolt hole 5 is through-hole, for fastening bolt to be scheduled on turning tool rod 2 On, so that turning tool rod 2 is fitted with 3 insert groove groove face of cutterhead.

Cutterhead end face is provided with the core axle hole for cutterhead to be fixed on to handle of a knife, and positioning spline is arranged in core axle hole side, fixed Position keyway is for transmitting torque, to realize the operating of cutter.

At least one interior cold hole 4 being connected to coolant liquid is arranged in 3 other end of cutterhead, and the axis in interior cold hole 4 is directed at blade Blade, it is ensured that coolant liquid is just sprayed onto on blade, and the setting quantity in interior cold hole 4 is identical as the setting quantity of blade 1, interior cold hole The size in 4 apertures is designed according to cold pressure, flow in 3 size of cutterhead, lathe etc., and preferably 2~Φ of aperture Φ 6 can Ensure being fully cooled to blade 1.Interior cold hole 4 on high-strength aluminum alloy cutterhead ensures that cooling is abundant, and cutterhead 3 passes through core axle hole 8 It is fixed on handle of a knife, positioning accuracy is very high, and handle of a knife transmits torque by positioning spline 9, to realize the operating of cutter.

Blade fixing piece be provided with for bolt pass through to compress the hold-down bolt hole 6 of blade fixing piece, hold-down bolt hole 6 It is mainly determined according to cutter hub thickness, plays compression knife bar, knife bar is made to be fitted closely with impeller vane slot groove face.

Cutterhead 3 is provided with height adjustment bolt hole 7 to adjust the height of blade fixing piece in the side of insert groove, and height adjusts Bolt hole 7 is set to the nose circle face of cutterhead, and the height of such blade i.e. the axial position of blade fixing piece such as turning tool rod are adjustable, Easily manufactured, applied widely, the height of knife-blade is identical.Knife bar is pressed in high-strength aluminum alloy cutterhead by hold-down bolt On, it is positioned and is clamped with side fixing bolt, nose height can be adjusted on tool setting gauge by height adjustment bolt after installing knife bar, it can Ensure nose height difference within 0.01mm, to ensure that the surface planarity processed is very good.

The quantity of cutterhead cutter can be configured according to needs such as cutter diameters, preferably 3-15.

Embodiment 2

The present embodiment and the difference of embodiment 1 are：

Blade is directly fixed in insert groove.

Embodiment 3

For overcome the deficiencies in the prior art, the utility model additionally provides a kind of face milling cutters lathe, using embodiment 1 or A kind of facing cut cutter of embodiment 2.

Embodiment 4

For overcome the deficiencies in the prior art, the utility model additionally provide it is a kind of avoid milling cutter tool from quivering the method for knife, Workpiece to be machined is processed using a kind of facing cut cutter of embodiment 1 or embodiment 2.

The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.

Claims (13)

1. a kind of facing cut cutter, which is characterized in that including cutterhead, cutterhead outer is equipped at least one blade fixed part, each knife Piece fixed part is provided with insert groove, and blade is fixedly arranged in insert groove, and the blade of blade is pointed and workpiece to be machined surface is point In contact with or close to point contact, the blade is set to by blade fixing piece in the insert groove.

2. a kind of facing cut cutter according to claim 1, which is characterized in that ranging from 30 ° of the knife edge angular of the blade ~55 °.

3. a kind of facing cut cutter according to claim 1, which is characterized in that the blade of the blade and workpiece to be machined table Angle between face is equal to 90 °；

Alternatively, blade relief has set angle；

Alternatively, the angle of relief angle is more than or equal to 5 °；

Alternatively, the angle of relief angle is less than or equal to 25 °.

4. a kind of facing cut cutter according to claim 1, which is characterized in that the blade of the blade protrudes cutterhead setting；

Alternatively, blade selects lathe tool blade, structure is blade structure；

Alternatively, cutterhead is arranged in the prominent part of blade processing department, the shape of the blade processing department shape and lathe tool blade processing section is mutually fitted It answers.

5. a kind of facing cut cutter according to claim 1, which is characterized in that the shape of the insert groove and blade fixing piece It is adapted.

6. a kind of facing cut cutter according to claim 1, which is characterized in that the blade fixing piece is knife bar or cutter holder；

Alternatively, knife bar is turning tool rod.

7. a kind of facing cut cutter according to claim 1, which is characterized in that the cutterhead uses high-strength aluminum alloy material Material.

8. a kind of facing cut cutter according to claim 1, which is characterized in that the cutterhead side is provided with arc groove, arc It is provided with side in slot and consolidates trepanning, the insert groove described in one is equipped between each adjacent two arc groove, side, which is consolidated in trepanning, to be detachably equipped with Fastener；

Alternatively, the blade fixing piece be provided with for fastener pass through to compress the compression trepanning of blade fixing piece；

The cutterhead is provided with height adjustment trepanning to adjust the height of blade fixing piece in the side of insert groove, and height adjusts trepanning It is interior to be detachably equipped with fastener.

9. a kind of facing cut cutter according to claim 1, which is characterized in that the cutterhead end face is provided with for by cutterhead It is fixed on the core axle hole of handle of a knife, positioning spline is arranged in core axle hole side.

10. a kind of facing cut cutter according to claim 1, which is characterized in that the cutterhead end face setting is at least one Cold hole in being connected to coolant liquid, the blade of the axis alignment blade in interior cold hole.

11. a kind of facing cut cutter according to claim 1, which is characterized in that the blade rake face hangs down with cutter axis The intersection extended line of straight cross section passes through the center line of blade；Alternatively, the cross section is arranged close to cutterhead upper surface.

12. a kind of facing cut cutter according to claim 1 or 11, which is characterized in that the cutterhead upper surface is plane, knife Piece rake face is vertically arranged with cutterhead upper surface；

Alternatively, the knife-blade passes through cutter head center in the extended line of cutterhead cross section projection line；

Alternatively, the knife-blade tip is equipped with the fillet less than or equal to R3；

Alternatively, knife-blade tip is equipped with fillet, the radius of fillet is 0.2-3mm.

13. a kind of face milling cutters lathe, which is characterized in that using a kind of face milling cutters according to any one of claim 1-12 Tool.