CN204221080U - Milling cutter - Google Patents
Milling cutter Download PDFInfo
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- CN204221080U CN204221080U CN201420601613.6U CN201420601613U CN204221080U CN 204221080 U CN204221080 U CN 204221080U CN 201420601613 U CN201420601613 U CN 201420601613U CN 204221080 U CN204221080 U CN 204221080U
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Abstract
The utility model provides a kind of milling cutter for work pieces process being gone out predetermined outline line, this predetermined outline line comprises a Part I, and the Part II to be connected with this Part I, this milling cutter comprises the handle of a knife with central shaft, this milling cutter also comprises some first cutting edges and some second cutting edges, this first cutting edge and this second cutting edge are staggered setting, this first cutting edge is used for rotating formation one first rotational trajectory to process the Part I of the predetermined wheel profile of workpiece around this central shaft, this second cutting edge is used for rotating formation around this central shaft and is different from the second rotational trajectory of this first rotational trajectory to process the Part II of the predetermined wheel profile of workpiece, this first rotational trajectory is connected with this second rotational trajectory.The relatively little and long service life of above-mentioned milling cutter cutting resistance.
Description
Technical field
The utility model relates to a kind of milling cutter, particularly relates to a kind of profile milling cutter for processing work profile.
Background technology
The side of industrial normal employing profile milling cutter milling workpiece, to be processed to form required cambered surface profile on workpiece.Traditional profile milling cutter adopts the profiling blade adapted with this cambered surface profile to process above-mentioned workpiece, outline line and the outline line shape for being processed into, the length identical (referring to Fig. 1) of the cutting edge of this blade sheet.Therefore, when the workpiece profile line for obtaining is longer, in the moment of traditional profile milling cutter milling, want disposable incision workpiece because of blade and remove workpiece material, to form workpiece cambered surface profile, its cutting resistance can be larger, easily causes vibrations milling and on workpiece, produce the knife mark that shakes, affecting work pieces process quality.In addition, when the contour shape of the workpiece profile line for obtaining is comparatively complicated, corresponding cutting edge blade contour line is also more complicated, and it is relatively larger that it adds the cutting resistance of bearing man-hour, time blade more easily wear and tear or burst apart, reduce profile milling cutter service life.
Utility model content
In view of foregoing, be necessary to provide a kind of cutting resistance relatively little and the milling cutter of long service life.
A kind of milling cutter for work pieces process being gone out predetermined outline line, this predetermined outline line comprises a Part I, and the Part II to be connected with this Part I, this milling cutter comprises the handle of a knife with central shaft, this milling cutter also comprises some first cutting edges and some second cutting edges, this first cutting edge is used for rotating formation one first rotational trajectory to process the Part I of the predetermined wheel profile of workpiece around this central shaft, this second cutting edge is used for rotating formation around this central shaft and is different from the second rotational trajectory of this first rotational trajectory to process the Part II of the predetermined wheel profile of workpiece, this first rotational trajectory is connected with this second rotational trajectory.
Further, this first rotational trajectory and this second rotational trajectory only partly overlap.
Further, this first rotational trajectory is not overlapping with this second rotational trajectory.
Further, this first rotational trajectory and this second rotational trajectory tangent.
Further, this first cutting edge and this second cutting edge are arranged alternately along the circumferencial direction of this handle of a knife.
Further, some first blades that this milling cutter also comprises and some second blades, this some first blade and this second blades some are alternately connected on this handle of a knife mutually, and this first cutting edge is formed on this first blade, and this second cutting edge is formed on this second blade.
Further, this handle of a knife comprises body and is arranged at the installation end of this body one end, and this first blade is connected to this installation end one end near this body, and this second blade is connected to this installation end one end away from this body.
Further, this milling cutter also comprises multiple blade support, the plurality of blade support is installed in this installation end and circumference along this installation end distributes, this first blade and this second blade are installed on the plurality of blade support respectively, and with the plurality of blade support one_to_one corresponding, this first blade and this second blade are staggered to arrange along the circumference of this handle of a knife, to be staggered setting along the axis of this handle of a knife simultaneously.
Further, the side that each blade support described deviates from this installation end is all arranged with the bit-avoiding slot in order to chip removal.
Further, this first blade comprises major first face and the major first flank adjacent with this major first face, and this first cutting edge is the common edge of this major first face and this major first flank, and this major first face relatively this handle of a knife inclined is arranged; And/or this second blade comprises the second rake face and the second rear knife face adjacent with this second rake face, and this second cutting edge is the common edge of this second rake face and this second rear knife face, and this second rake face relatively this handle of a knife inclined is arranged.
Further, this first cutting edge is not connected mutually with this second cutting edge.
A kind of milling cutter, it comprises the handle of a knife with central axis, and this milling cutter also comprises the first blade be connected on this handle of a knife, and arranges and the second blade be connected on this handle of a knife in being axially staggered with this first blade of this central axis; This first blade comprises the first cutting edge and is positioned at first point of a knife of this first cutting edge one end, if the plane that the central axis of this first point of a knife and this handle of a knife defines jointly is one first plane, this first cutting edge is projected as the first projection line in this first plane; This second blade comprises the second cutting edge and is positioned at second point of a knife of this second cutting edge one end, if the plane that the central axis of this second point of a knife and this handle of a knife defines jointly is one second plane, this second cutting edge is projected as the second projection line in this second plane; When this second plane around this center axis thereof to this first planes overlapping time, this first projection line is connected with this second projection line.
Further, this first cutting edge is arcuate blade, and make this first projection line be partial arc, this second cutting edge is arcuate blade, makes this second projection line be partial arc, and this first projection line is connected for smoothly transitting with this second projection line intersection.
Further, first point of a knife side of this first blade extends towards this second blade, make this first projection line draw extension line with this second projection line connection, this extension line is the straightway tangent with this first projection line or is the curved section partially overlapped with this first projection line; And/or, second point of a knife side of this second blade extends towards this first blade, make this second projection line draw extension line with this first projection line connection, this extension line is the straightway tangent with this first projection line or is the curved section partially overlapped with this first projection line.
Further, the length of this extension line is between 0.05mm to 2mm.
Further, when this second plane around this center axis thereof to this first planes overlapping time, this first projection line is connected for continuous print curved section with this second projection line, the tie point of this first projection line and this second projection line is positioned at this curved section apart from the most weakness of this central axis distance, or this tie point is positioned at the curvature mutation place of this curved section.
Milling cutter of the present utility model, traditional one-piece blade is designed to split type, it at least comprises the first blade and the second blade, when this milling cutter rotates to carry out Milling Process to workpiece, the surface of the first blade and the second blade cutting workpiece successively, and form Part I and Part II consecutive with Part I respectively, jointly to mill out the outline line of the outline of workpiece.Owing to have employed split-type design, the outline line of the outline of workpiece complexity is carried out segmented processing, the workpiece material of the first blade and the disposable cutting of the second blade reduces relatively, and the blade of the first blade and the second blade is relatively short, decrease cutting resistance, thus make cutting comparatively steady, avoid the generation of the knife mark that shakes, ensure that workpiece can have smooth cutting face.Meanwhile, because cutting resistance is relatively little, the blade of milling cutter is not easy to wear or rupture, and extends the service life of milling cutter.In addition, the milling cutter of above-mentioned split-type design, because the first blade and the second blade clearance are arranged, be more conducive to the discharge of chip, be beneficial to the flowing of cooling fluid simultaneously, heat radiation in process is better, makes the blade of milling cutter not easily because overheated generation is turned or tipping, extends the service life of milling cutter further.
Accompanying drawing explanation
Working state schematic representation when Fig. 1 is traditional profile milling cutter processing cambered surface profile.
Fig. 2 is the schematic perspective view of the milling cutter of the utility model first embodiment.
Fig. 3 is the stereogram at another visual angle of milling cutter shown in Fig. 2.
Fig. 4 is the three-dimensional exploded view of milling cutter shown in Fig. 3.
Fig. 5 is the front view of milling cutter shown in Fig. 2, and this milling cutter is in the first duty during processing cambered surface profile.
Fig. 6 is the left view of milling cutter shown in Fig. 2, and this milling cutter is in the second duty during processing cambered surface profile.
The cutting edge profile perspective view that Fig. 7 is milling cutter shown in Fig. 2.
Fig. 8 is the cutting edge profile perspective view of the milling cutter of the utility model second embodiment.
Main element symbol description
| Milling cutter | 100 |
| Handle of a knife | 10 |
| Body | 12 |
| Installation end | 14 |
| Blade support | 30 |
| Bit-avoiding slot | 32 |
| Installed surface | 34 |
| First blade | 50 |
| Major first flank | 52 |
| Major first face | 54 |
| First cutting edge | 56 |
| First projection line | 561，2561 |
| First point of a knife | 58 |
| First end points | 581，2581 |
| Second blade | 70 |
| Knife face after second | 72 |
| Second rake face | 74 |
| Second cutting edge | 76 |
| Second projection line | 761，2761 |
| Second point of a knife | 78 |
| Second end points | 781，2781 |
| Extension line | L1 |
| 3rd projection line | 80 |
| End points | 81，82 |
| Workpiece | 200 |
| Outline line | 210 |
| Part I | 212 |
| Part II | 214 |
Following detailed description of the invention will further illustrate the utility model in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Refer to Fig. 2 to Fig. 6, the milling cutter 100 of the utility model first embodiment, for referring to ginseng Fig. 5 to workpiece 200() carry out Milling Process, workpiece 200 is processed predetermined outline.Specifically, this workpiece 200 is roughly in tabular (scheming not shown), and this outline is around the edge being formed at workpiece 200, and the cross section of this outline is roughly the outline line 210 in arc-shaped.Further, outline line 210 Part II 214 that comprises Part I 212 and continue with Part I 212.In the present embodiment, Part I 212 and be partial arc shape with Part I 212.
Please again consult Fig. 2, milling cutter 100 comprise handle of a knife 10, the blade support 30 be installed on handle of a knife 10, and be installed in the first blade 50 and the second blade 70 on blade support 30.
Handle of a knife 10 is roughly shaft-like in cylinder, and it comprises body 12 and is formed at the installation end 14 of body 12 one end.
Please again consult Fig. 3 to Fig. 4, in the present embodiment, the quantity of blade support 30 is four.Four blade support 30 deviate from the periphery being arranged at installation end 14 between two mutually, and are fixedly connected with installation end 14.Each blade support 30 all roughly in irregular bulk, and extends along the radial direction of body 12 towards the direction deviating from installation end 14.The side that each blade support 30 deviates from installation end 14 is all arranged with bit-avoiding slot 32, and bit-avoiding slot 32 rationally dodges workpiece 200 in order to enable milling cutter 100 when Milling Process, and has the function of chip area concurrently simultaneously.Each blade support 30 includes the installed surface 34 of another blade support 30 contiguous, and installed surface 34 is obliquely installed relative to the central axis of handle of a knife 10, and is positioned at the front end of direction of rotation when blade support 30 works.
Please again consult Fig. 5, in the present embodiment, the quantity of the first blade 50 is two, and two the first blades 50 are installed on two blade support mutually deviated from 30 respectively.Each first blade 50 is installed in corresponding blade support 30 one end away from body 12, and is laminated on corresponding installed surface 34.Roughly in the form of sheets, it comprises the major first flank 52 and the major first face 54 adjacent with major first flank 52 that deviate from installed surface 34 to first blade 50.Major first flank 52 is almost parallel and deviate from and arrange in installed surface 34, that is, major first flank 52 is positioned at the front end of direction of rotation when the first blade 50 works, and is obliquely installed relative to the axis of handle of a knife 10.Major first face 54 deviates from installation end 14 and arranges, and near corresponding blade support 30.In the present embodiment, major first face 54 is roughly arc-shaped curved surface.Major first face 54 is the first cutting edge 56, first cutting edge 56 with the intersecting lens of major first flank 52 is the arcuate blade suitable with the Part I 212 of the outline line 210 of workpiece 200, and it for processing Part I 212 on workpiece 200.First cutting edge 56 is the first point of a knife 58 away from the summit of body 12.
Please again consult Fig. 6, in the present embodiment, the quantity of the second blade 70 is two, and two the second blades 70 are installed on two other blade support 30 mutually deviated from respectively.That is, two the second blades 70 and two the first blades 50 are arranged on blade support 30 along the mutual alternate intervals of circumference of handle of a knife 10.Each first blade 50 is installed in corresponding blade support 30 relatively near one end of body 12, and is laminated on corresponding installed surface 34.Second blade 70 is roughly in tabular, and it comprises the second rear knife face 72 and second rake face 74 adjacent with the second rear knife face 72 that deviate from installed surface 34.Knife face 72 is almost parallel and deviate from and arrange in installed surface 34 after second, that is, knife face 72 is positioned at the front end of direction of rotation when the second blade 70 works after second, and is obliquely installed relative to the axis of handle of a knife 10.Second rake face 74 deviates from installation end 14 and arranges, and near corresponding blade support 30.In the present embodiment, the second rake face 74 is roughly arc-shaped curved surface.The intersecting lens of the second rake face 74 and the second rear knife face 72 is the second cutting edge 76, second cutting edge 76 is the arcuate blade suitable with the Part II 214 of the outline line 210 of workpiece 200, and it for processing Part II 214 on workpiece 200.Second cutting edge 76 is the second point of a knife 78 near the summit of the first blade 50.
When milling cutter 100 around its center axis rotate and when Milling Process is carried out to workpiece 200, in one week rotation process, first blade 50 rotates around to the central axis of handle of a knife 10, make the first cutting edge 56 rotate formation one first rotational trajectory, thus on workpiece 200, process the Part I 212 of outline line 210.Then, milling cutter 100 is rotated further certain angle, and the second blade 70 rotates around to the central axis of handle of a knife 10, makes the second cutting edge 76 rotate formation one second rotational trajectory, to process the Part II 214 of outline line 210 on workpiece 200.Milling cutter 100 continues to rotate milling, the surface of the first blade 50 and the second blade 70 cutting workpiece 200 successively, thus formation outline line 210.
Be appreciated that above-mentioned first rotational trajectory and the second rotational trajectory can intersect, can tangent, can partly overlap, even can to intersect but not overlapping, to form outline line 210 to ensure that the above-mentioned Part I 212 that processes and Part II 214 continue mutually.
Please refer to Fig. 7, specifically, if the plane that the central axis of handle of a knife 10 and the first point of a knife 58 define jointly is the first plane, by the first blade 50 towards this first plane projection, the projection line of the first cutting edge 56 is the first projection line 561, the subpoint of the first point of a knife 58 is an end points of the first projection line 561, is designated as the first end points 581.First projection line 561 matches with the Part I 212 of the outline line 210 of workpiece 200.If the plane that the central axis of handle of a knife 10 and the second point of a knife 78 define jointly is the second plane, by the second blade 70 towards this second plane projection, the projection line of the second cutting edge 76 is the second projection line 761, the subpoint of the second point of a knife 78 is an end points of the second projection line 761, is designated as the second end points 781.Second projection line 761 matches with the Part II 214 of the outline line 210 of workpiece 200.When by the center axis thereof of above-mentioned second plane around handle of a knife 10, until when this second plane and this first planes overlapping, first projection line 561 and the second projection line 761 intersect at the first end points 581 place, and the first projection line 561 continues into one section of camber line mutually with the second projection line 761, the outline line 210 of this camber line and workpiece 200 matches, thus makes milling cutter 100 can mill out required outline outline line 210 on workpiece 200.
Further, the second point of a knife 78 side of the second blade 70 extends towards body 12, makes the second projection line 761 draw extension line L1 at the first end points 581 place.In the present embodiment, extension line L1 is straightway, and this straightway is tangent at the arc of the first end points 581 place and the second projection line 761.Extension line L1 is simultaneously tangent with the first projection line 561, that is, the connection of the first projection line 561 and the second projection line 761 is that rounding off connects, thus the outline line 210 that milling cutter 100 is processed on workpiece 200 is continuous and derivable curve.The length of extension line L1 can be chosen by the arbitrary length value between 0.05mm to 2mm.In the present embodiment, the length of extension line L1 is 0.5mm.Be appreciated that the length of extension line L1 can respective change when the size of the outline line 210 of workpiece 200 changes.
The milling cutter construction of the utility model second embodiment is roughly the same with the structure of the milling cutter 100 of the first embodiment, and comprise handle of a knife, blade support, two the first blades and two the second blades equally, its difference is:
The quantity of this blade support is six (scheming not shown), this milling cutter also comprises two the 3rd blades (scheming not shown), these two first blades, these two second blades and this two the 3rd blades are along the circumference alternate intervals setting successively of this handle of a knife, each blade correspondence is installed on a blade support, and the 3rd blade being located axially between the first blade and the second blade at handle of a knife.When this milling cutter to rotate and when carrying out Milling Process to workpiece 200 around its center axis, the surface of this first blade, the 3rd blade and this second blade cutting workpiece 200 successively, thus jointly mill out outline line 210.
Please refer to Fig. 8, further, the 3rd blade comprises three cutting edge similar with the first blade 50 and is positioned at the 3rd point of a knife and the 4th point of a knife of the 3rd cutting edge opposite end.If the plane that the central axis of handle of a knife 10 and the 3rd point of a knife define jointly is the 3rd plane, by the 3rd blade towards the 3rd plane projection, two end points 81,82 of the projection line of the 3rd cutting edge to be the subpoint of the 3rd projection line the 80, three point of a knife and the 4th point of a knife be the 3rd projection line 80.By the 3rd plane around this handle of a knife 10 center axis thereof to this first planes overlapping time, two end points 81,82 of the 3rd projection line 80 are connected with this first projection line 2561 and this second projection line 2761 respectively, this first projection line 2561, the 3rd projection line 80 and the second projection line 2761 is made to continue into one section of camber line mutually, the outline line 210 of this camber line and workpiece 200 matches, thus makes milling cutter 100 can mill out required outline on workpiece 200.3rd projection line 80 is that rounding off is connected with this first projection line 2561 and this second projection line 2761 joint.
Similar with the utility model first embodiment, 3rd point of a knife and the 4th point of a knife of the 3rd blade can extend respectively to both sides, the 3rd projection line 80 is made to draw extension line (scheming not shown) respectively at two end points 81,82 place, described extension line can partially overlap with this first projection line 2561 and this second projection line 2761 respectively, or respectively with this first projection line 2561 and this second projection line 2761 tangent, to ensure that the 3rd projection line 80 and this first projection line 2561 and this second projection line 2761 joint are connected for rounding off.It should be noted that, when this extension line and this first projection line 2561 or after partially overlapping with this second projection line 2761, it can continue to extend to the direction away from this workpiece 200, namely, this extension line can continue to extend near the direction of this handle of a knife central axis, destroys the surface of workpiece 200 with the part cutting edge preventing this extension line corresponding.Similarly, this milling cutter can also comprise the 4th blade, the 5th blade etc. further, and when carrying out Milling Process to workpiece 200, makes the surface of the plurality of blade cutting workpiece 200 successively, jointly to mill out the outline line 210 of workpiece 200.
Milling cutter 100 of the present utility model, traditional one-piece blade is designed to split type, it at least comprises the first blade 50 and the second blade 70, when this milling cutter 100 rotates to carry out Milling Process to workpiece 200, the surface of the first blade 50 and the second blade 70 cutting workpiece 200 successively, and form Part I 212 and Part II 214 consecutive with Part I 212 respectively, jointly to mill out the outline line 210 of the outline of workpiece 200.Owing to have employed split-type design, the outline line 210 of the outline of workpiece 200 complexity is carried out segmented processing, the workpiece material of the first blade 50 and the disposable cutting of the second blade 70 reduces relatively, and the blade of the first blade 50 and the second blade 70 is relatively short, decrease cutting resistance, thus make cutting comparatively steady, avoid the generation of the knife mark that shakes, ensure that workpiece 200 can have smooth cutting face.Meanwhile, because cutting resistance is relatively little, the blade of milling cutter 100 is not easy to wear or rupture, and extends the service life of milling cutter 100.In addition, the milling cutter 100 of above-mentioned split-type design, because the first blade 50 and the second blade 70 interval are arranged, be more conducive to the discharge of chip, be beneficial to the flowing of cooling fluid simultaneously, heat radiation in process is better, makes the blade of milling cutter 100 not easily because overheated generation is turned or tipping, extends the service life of milling cutter 100 further.
Be appreciated that, blade support 30 can omit, and when assembling milling cutter 100 of the present utility model, is installed on handle of a knife 10 by the first blade 50 and the second blade 70, handle of a knife is made to drive the first blade 50 and the second blade 70 to rotate around the axis of handle of a knife 10, with milling workpiece 200.
Be appreciated that the quantity of the first blade 50 can for one or more, correspondingly, the quantity of the second blade 70 also can be one or more.Preferably, be ensure milling quality, the quantity of the first blade 50 equals the quantity of the second blade 70, and the first blade 50 and the second blade 70 along handle of a knife 10 the mutual alternate intervals of circumference arrange, and to be connected on handle of a knife 10.
Be appreciated that, extension line L1 can be the curved section partially overlapped with the first projection line 561, the connection making the first projection line 561 and the second projection line 761 is that rounding off connects, thus the outline that milling cutter 100 is processed on workpiece 200 is continuous and derivable cambered surface.It should be noted that, after this extension line L1 and this first projection line 561 partially overlap, it can continue to extend to the direction away from workpiece 200, namely, extension line L1 can continue to extend near the direction of handle of a knife 10 central axis, destroys the surface of workpiece 200 with the second cutting edge 76 preventing this extension line L1 corresponding.
Be appreciated that extension line L1 can omit, and the first end points 581 is overlapped with the second end points 781, the connection making the first projection line 561 and the second projection line 761 is that rounding off connects.
Be appreciated that, similar with the second blade 70, first point of a knife 58 side of the first blade 50 can extend to the direction deviating from body 12, thus the first projection line 561 is drawing another extension line (scheming not shown) with the second projection line 761 intersection, this another extension line is simultaneously tangent with the second projection line 761 or partially overlap with the second projection line 761, the connection of further guarantee first projection line 561 and the second projection line 761 is that rounding off connects, thus the outline that milling cutter 100 is processed on workpiece 200 is continuous and derivable cambered surface.
Be appreciated that, when the outline line 210 of the outline of workpiece 200 is relatively complicated, it can be divided into the processing of multistage outline line, and correspondingly, milling cutter 100 can comprise organizes blade and the multiple blade support for installing this many groups blade with this multistage outline line one to one.Each group blade above-mentioned continues mutually with the projection line of other blade as the arc matched with the outline line 210 of required processing after the projection of above-mentioned respective planes, each projection line is connected for smoothly transitting with another projection line joint, and the outline that milling cutter 100 is milled out is continuous and derivable cambered surface.It should be noted that, multistage outline line is divided into add man-hour outline line 210, waypoint can be arranged on upper nearest apart from the handle of a knife 10 central axis point of outline line 210, or be arranged on the curvature mutation place of outline line 210, to reduce the cutting resistance of blade in process of milling cutter 100, thus ensure good milling quality, and extend the life-span of milling cutter 100.
Be appreciated that milling cutter 100 the outline line 210 of workpiece 200 outline that is suitable for can be not limited to arc-shaped, such as, this outline line 210 can be irregular curve, or this outline line 210 can be non-rectilinear profile.Similarly, the outline of this workpiece 200 also can be divided into multistage contour machining, accordingly, milling cutter 100 can comprise organizes blade with the one to one of this multistage profile more, when milling cutter 100 rotates and carries out Milling Process to workpiece 200, the surface of this many groups blade cutting workpiece 200 successively, to mill out required curved profile or non-rectilinear profile on workpiece 200 surface.
In addition, those skilled in the art also can do other change in the utility model spirit, and certainly, these changes done according to the utility model spirit, all should be included in the utility model scope required for protection.
Claims (16)
1. one kind for going out the milling cutter of predetermined outline line by work pieces process, this predetermined outline line comprises a Part I, and the Part II to be connected with this Part I, this milling cutter comprises the handle of a knife with central shaft, it is characterized in that: this milling cutter also comprises some first cutting edges and some second cutting edges, this first cutting edge is used for rotating formation one first rotational trajectory to process the Part I of the predetermined wheel profile of workpiece around this central shaft, this second cutting edge is used for rotating formation around this central shaft and is different from the second rotational trajectory of this first rotational trajectory to process the Part II of the predetermined wheel profile of workpiece, this first rotational trajectory is connected with this second rotational trajectory.
2. milling cutter as claimed in claim 1, is characterized in that: this first rotational trajectory and this second rotational trajectory only partly overlap.
3. milling cutter as claimed in claim 1, is characterized in that: this first rotational trajectory is not overlapping with this second rotational trajectory.
4. milling cutter as claimed in claim 1, is characterized in that: this first rotational trajectory and this second rotational trajectory tangent.
5. milling cutter as claimed in claim 1, is characterized in that: this first cutting edge and this second cutting edge are arranged alternately along the circumferencial direction of this handle of a knife.
6. milling cutter as claimed in claim 1, it is characterized in that: this milling cutter also comprises some first blades and some second blades, this some first blade and this second blades some are alternately connected on this handle of a knife mutually, this first cutting edge is formed on this first blade, and this second cutting edge is formed on this second blade.
7. milling cutter as claimed in claim 6, it is characterized in that: this handle of a knife comprises body and is arranged at the installation end of this body one end, this first blade is connected to this installation end one end near this body, and this second blade is connected to this installation end one end away from this body.
8. milling cutter as claimed in claim 7, it is characterized in that: this milling cutter also comprises multiple blade support, the plurality of blade support is installed in this installation end and circumference along this installation end distributes, this first blade and this second blade are installed on the plurality of blade support respectively, and with the plurality of blade support one_to_one corresponding, this first blade and this second blade are staggered to arrange along the circumference of this handle of a knife, to be staggered setting along the axis of this handle of a knife simultaneously.
9. milling cutter as claimed in claim 8, is characterized in that: the side that each blade support described deviates from this installation end is all arranged with the bit-avoiding slot in order to chip removal.
10. milling cutter as claimed in claim 6, it is characterized in that: this first blade comprises major first face and the major first flank adjacent with this major first face, this the first cutting edge is the common edge of this major first face and this major first flank, and this major first face relatively this handle of a knife inclined is arranged;
And/or,
This second blade comprises the second rake face and the second rear knife face adjacent with this second rake face, and this second cutting edge is the common edge of this second rake face and this second rear knife face, and this second rake face relatively this handle of a knife inclined is arranged.
11. milling cutters as claimed in claim 1, is characterized in that: this first cutting edge is not connected mutually with this second cutting edge.
12. 1 kinds of milling cutters, it comprises the handle of a knife with central axis, it is characterized in that: this milling cutter also comprises the first blade be connected on this handle of a knife, and arrange and the second blade be connected on this handle of a knife in being axially staggered with this first blade of this central axis; This first blade comprises the first cutting edge and is positioned at first point of a knife of this first cutting edge one end, if the plane that the central axis of this first point of a knife and this handle of a knife defines jointly is one first plane, this first cutting edge is projected as the first projection line in this first plane; This second blade comprises the second cutting edge and is positioned at second point of a knife of this second cutting edge one end, if the plane that the central axis of this second point of a knife and this handle of a knife defines jointly is one second plane, this second cutting edge is projected as the second projection line in this second plane; When this second plane around this center axis thereof to this first planes overlapping time, this first projection line is connected with this second projection line.
13. milling cutters as claimed in claim 12, it is characterized in that: this first cutting edge is arcuate blade, make this first projection line be partial arc, this second cutting edge is arcuate blade, make this second projection line be partial arc, this first projection line is connected for smoothly transitting with this second projection line intersection.
14. milling cutters as claimed in claim 13, it is characterized in that: the first point of a knife side of this first blade extends towards this second blade, make this first projection line draw extension line with this second projection line connection, this extension line is the straightway tangent with this first projection line or is the curved section partially overlapped with this first projection line;
And/or,
Second point of a knife side of this second blade extends towards this first blade, make this second projection line draw extension line with this first projection line connection, this extension line is the straightway tangent with this first projection line or is the curved section partially overlapped with this first projection line.
15. milling cutters as claimed in claim 14, is characterized in that: the length of this extension line is between 0.05mm to 2mm.
16. milling cutters as claimed in claim 12, it is characterized in that: when this second plane around this center axis thereof to this first planes overlapping time, this first projection line is connected for continuous print curved section with this second projection line, the tie point of this first projection line and this second projection line is positioned at this curved section apart from the most weakness of this central axis distance, or this tie point is positioned at the curvature mutation place of this curved section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420601613.6U CN204221080U (en) | 2014-10-17 | 2014-10-17 | Milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420601613.6U CN204221080U (en) | 2014-10-17 | 2014-10-17 | Milling cutter |
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| Publication Number | Publication Date |
|---|---|
| CN204221080U true CN204221080U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420601613.6U Expired - Fee Related CN204221080U (en) | 2014-10-17 | 2014-10-17 | Milling cutter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562801A (en) * | 2014-10-17 | 2016-05-11 | 基准精密工业（惠州）有限公司 | Milling cutter |
| CN105965630A (en) * | 2016-07-06 | 2016-09-28 | 浙江宇盛工具有限公司 | Magic door frame cutter |
| CN106424884A (en) * | 2016-12-23 | 2017-02-22 | 广东鼎泰精密刀具技术有限公司 | Outer contour cutting tool for processing convex R |
| CN107900385A (en) * | 2017-11-28 | 2018-04-13 | 江苏科比特科技有限公司 | A kind of three sword appearance forming cutters |
-
2014
- 2014-10-17 CN CN201420601613.6U patent/CN204221080U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562801A (en) * | 2014-10-17 | 2016-05-11 | 基准精密工业（惠州）有限公司 | Milling cutter |
| CN105965630A (en) * | 2016-07-06 | 2016-09-28 | 浙江宇盛工具有限公司 | Magic door frame cutter |
| CN106424884A (en) * | 2016-12-23 | 2017-02-22 | 广东鼎泰精密刀具技术有限公司 | Outer contour cutting tool for processing convex R |
| CN107900385A (en) * | 2017-11-28 | 2018-04-13 | 江苏科比特科技有限公司 | A kind of three sword appearance forming cutters |
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