CN101823166A - Molding milling cutter and molding method - Google Patents

Molding milling cutter and molding method Download PDF

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Publication number
CN101823166A
CN101823166A CN200910300733A CN200910300733A CN101823166A CN 101823166 A CN101823166 A CN 101823166A CN 200910300733 A CN200910300733 A CN 200910300733A CN 200910300733 A CN200910300733 A CN 200910300733A CN 101823166 A CN101823166 A CN 101823166A
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CN
China
Prior art keywords
cutting edge
cutter
milling cutter
cutter hub
profile milling
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Granted
Application number
CN200910300733A
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Chinese (zh)
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CN101823166B (en
Inventor
徐龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Benchmark Precision Industry (huizhou) Co Ltd
Original Assignee
Beijing Huaxia Yimaibaibai Network Technology Co ltd
Hon Hai Precision Industry Co Ltd
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Priority to CN200910300733A priority Critical patent/CN101823166B/en
Publication of CN101823166A publication Critical patent/CN101823166A/en
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Publication of CN101823166B publication Critical patent/CN101823166B/en
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Abstract

The invention relates to a molding milling cutter comprising a cutter body and a first cutting edge and a second cutting edge which are formed on the cutter body, wherein the first cutting edge and the second cutting edge are staggered in the rotating direction of the cutter body. A cutting face formed when the first cutting edge rotates a circle around the rotating axis of the cutter body insects with the second cutting edge. The invention also provides a method for processing by utilizing the molding milling cutter. The molding milling cutter and the molding method can form two surfaces the joint of which is sharp-angled by one-time processing only. The invention has the advantages of higher processing efficiency and lower cost and is easy to ensure the processing precision.

Description

Profile milling cutter and forming method
Technical field
The present invention relates to a kind of profile milling cutter and forming method, relate in particular to and a kind ofly can on workpiece, form two surfaces that are connected through time processing, and these two surperficial connections be wedge angle profile milling cutter and forming method.
Background technology
Profile milling cutter is generally the processing workpiece of given shape and the specialized designs manufacturing, it is generally used for machining angle face, groove surface, special form hole and step surface etc., the sword type of profile milling cutter cutting edge profile general and workpiece is suitable, so that form required given shape by time processing on workpiece.When need on workpiece, processing two surfaces that are connected, and when these two surperficial connections are the wedge angle of outwards giving prominence to, if adopt the conventional method design, it is consistent with the workpiece profile to be that the cutting edge sword type of moulding milling cutter needs, and the cutting edge that then is used for these two surfaces of moulding will intersect and form wedge angle to the cutter hub inner recess in the intersection.Yet in the manufacturing process of milling cutter, difficulty grinding on milling cutter forms the wedge angle to the cutter hub inner recess.
Traditional process above-mentioned in the junction method for two surfaces of outwards outstanding wedge angle, generally be to process first surface earlier, again clamping workpiece or adjust the milling cutter position then, on the base material that forms first surface, process second surface, and first surface and second surface are intersected, thereby can form wedge angle in the junction of first surface and second surface.Yet said method needs through twice processing, and needs again clamping workpiece or adjust the milling cutter position, and operating efficiency is lower, and easily causes the accumulation of mismachining tolerance, reduces the precision of processing.
Summary of the invention
In view of foregoing, be necessary to provide a kind of and can on workpiece, form two surfaces that are connected through time processing, and these two surperficial connections be wedge angle profile milling cutter and forming method.
A kind of profile milling cutter, it comprises cutter hub and is formed at first cutting edge and second cutting edge on the cutter hub.First cutting edge and second cutting edge are crisscross arranged on the direction of rotation of cutter hub.First cutting edge intersects around rotate a circle formed cutting face and second cutting edge of the rotation of cutter hub.
A kind of forming method is used for forming two surfaces that are connected on workpiece, and it may further comprise the steps: above-mentioned profile milling cutter is provided; Rotate this profile milling cutter and along default machining path feed, utilize first cutting edge of profile milling cutter and second cutting edge to form first surface and second surface respectively on workpiece, first surface and second surface intersect and at connection formation wedge angle.
Above-mentioned profile milling cutter, first cutting edge and second cutting edge that it is crisscross arranged on the direction of rotation of cutter hub can cut workpiece respectively, and successively process two surfaces on workpiece, thus these two Plane intersects can form wedge angle in the junction.Utilize above-mentioned profile milling cutter to process,, and can avoid again clamping workpiece or adjust cutter, thereby can improve working (machining) efficiency and cut down finished cost only through the time processing surface that can to form two connections on workpiece be wedge angle.
Description of drawings
Fig. 1 is the stereogram of the profile milling cutter of the embodiment of the invention.
Fig. 2 is the front end face view of profile milling cutter shown in Figure 1.
Fig. 3 is that profile milling cutter shown in Figure 1 is from the observable plane of A direction.
Fig. 4 is that profile milling cutter shown in Figure 1 is from the observable plane of B direction.
Fig. 5 is the view that is meshed with workpiece when utilizing profile milling cutter shown in Figure 1 to carry out the milling moulding.
The specific embodiment
Below in conjunction with drawings and Examples profile milling cutter of the present invention and the forming method that utilizes this profile milling cutter to process are described in further detail.
See also Fig. 1, the profile milling cutter 100 of the embodiment of the invention comprises cutter hub 11, cutting portion 12 and handle of a knife 13.
Cutter hub 11 is roughly cylinder, and it has rotation a, adds man-hour, and profile milling cutter 100 is the center rotation with rotation a, the central axes of rotation a and cutter hub 11.Cutter hub 11 comprises front end 112 and rear end 114, and cutting portion 12 is formed at front end 112, and handle of a knife 13 is formed at rear end 114.
Handle of a knife 13 can be the staight shank form, also can be the taper shank form, its be used to add man-hour convenient with profile milling cutter 100 clampings to control device, on machine tool chief axis, to keep adding profile milling cutter 100 stability in man-hour.
Cutting portion 12 comprises first cutting edge 121, second cutting edge 123, the 3rd cutting edge 125 and the 4th cutting edge 127.Above-mentioned each cutting edge 121,123,125,127 is all one-body molded with cutter hub 11, and to include with the rotation a of cutter hub 11 be two sword molded lines of symmetrical centre.
Please in the lump referring to Fig. 2 to Fig. 4, first cutting edge 121 is obliquely extended to outer circumference surface near cutter hub 11 middle parts from the end face of cutter hub 11 front ends 112, its bearing of trend roughly with the rotation a oblique of cutter hub 11, and towards the cutting direction bending of profile milling cutter 100.When cutter hub 11 rotated a circle around its rotation a, first cutting edge, 121 formed cutting faces 1212 were a conical surface.
Second cutting edge 123 is from outer circumference surface radially the extending to cutter hub 11 inside along cutter hub 11 of cutter hub 11.Second cutting edge 123 roughly is the form of straight sword, and intersects with first cutting edge, 121 formed cutting faces 1212.First cutting edge 121 forms angle α (seeing also Fig. 5) between the projection of (longitudinal section of cutter hub 11) and second cutting edge 123 in the determined plane of rotation a of second cutting edge 123 and cutter hub 11, and angle α is the obtuse angle.
Observe from front end 11 rearward end 12 of cutter hub 11, on the direction of rotation of cutter hub 11, promptly the rotation a with cutter hub 11 is on the circumference at center, first cutting edge 121 and second cutting edge 123 are crisscross arranged, thereby when moulding milling cutter 100 carried out machining, first cutting edge 121 and second cutting edge 123 successively cut workpiece.In the present embodiment, first cutting edge 121 and the projection in the cross section of second cutting edge, 123 cutter hubs 11 roughly are cross and intersect.
The 3rd cutting edge 125 is formed at the end face of cutter hub 11 front ends 112 and is connected with first cutting edge 121.The 3rd cutting edge 125 is from outer surface radially the extending to cutter hub inside along cutter hub 11 of cutter hub 11.In the present embodiment, two article of the 3rd cutting edge 125 is connected at the rotation a place of cutter hub 11.
The 4th cutting edge 127 is formed at the outer surface of cutter hub 11, the one end is connected with the end that second cutting edge 123 is positioned at cutter hub 11 outer surfaces, the other end in the rotation a of cutter hub 11 direction along extending, and roughly towards the cutting direction bending of profile milling cutter 100 near the direction of handle of a knife 13.The 4th cutting edge 127 is roughly vertical mutually with second cutting edge 123 with the projection in the determined plane of cutter hub 11 rotation a at second cutting edge 123.
Should be noted that, the sword molded lines of first cutting edge 121, second cutting edge 123, the 3rd cutting edge 125 and the 4th cutting edge 127 is not subjected to the restriction of embodiment of the invention concrete form, the shape of its sword molded lines can be determined according to the external surface shape of the required moulding of workpiece, can be linear etc. such as above-mentioned sword molded lines for zigzag, wave, on workpiece, to form zigzag or waveform surface.
Above-mentioned each cutting edge 121,123,125,127 and cutter hub 11 are one-body molded, thereby the structure of profile milling cutter 100 is comparatively compact, helps the miniaturization of profile milling cutter 100, to satisfy miniature parts, such as the machining requirement of portable type electronic product housing.
Profile milling cutter 100 can select suitable material to make according to its purposes.Generally speaking, preferable material is intensity and toughness all carbide alloy and high-speed steel preferably.In addition, also can be by forming various dura maters to improve the cutting ability of profile milling cutter 100 on cutter hub 11 surfaces.Purposes according to profile milling cutter 100 can adopt titanium carbide (TiC), TiAlN (AlTiN), TiAlN (TiAlN) or TiCN dura maters such as (TiCN).
The profile milling cutter 100 of the embodiment of the invention can form four surfaces that connect successively by a Milling Process on workpiece, the junction on wherein adjacent two surfaces can be wedge angle, is connected by the very little arc section of radius between these two surfaces in other words.Be that example is illustrated forming method of the present invention the side of plate workpiece is carried out Milling Process below.
The schematic diagram that is meshed with workpiece 200 when Figure 5 shows that profile milling cutter 100 cutting workpieces 200 of the embodiment of the invention.The method of utilizing 100 pairs of workpiece of profile milling cutter 200 of the embodiment of the invention to carry out Milling Process comprises following basic step:
(1) provides above-mentioned profile milling cutter 100, and profile milling cutter 100 is clamped on the control device, on the main shaft such as plain-milling machine or CNC milling machine.Preferable selection provides CNC milling machine and profile milling cutter 100 is clamped on the main shaft of CNC milling machine.
(2) workpiece 200 is clamped in the workbench of milling machine, and mobile profile milling cutter 100 carries out tool setting, to determine the position of profile milling cutter 100 in workpiece coordinate system.
(3) main axis rotation of milling machine and drive profile milling cutter 100 and rotate around its rotation a, the main shaft of milling machine cuts along the machining path feed of presetting with profile milling cutter 100.First cutting edge 121 and be attached thereto that the 3rd cutting edge 125 that connects processes first surface 211 and the 3rd surface 215, the second cutting edges 123 on workpiece 200 and the 4th cutting edge 127 that is attached thereto is reprocessed out second surface 213 and the 4th surface 217.Wherein, first surface 211 and second surface 213 intersects, and the part that first surface 211 and second surface 213 define jointly is outside outstanding to workpiece 200.When the milling moulding, the first surface 211 that forms on the workpiece 200 and the material of second surface 213 intersections are earlier after the cutting of first cutting edge 121 and second cutting edge 123, thereby first surface 211 and second surface 213 connections can form wedge angle β.The angle of wedge angle β is by the decision of the relative position between first cutting edge 211 and second cutting edge 213, promptly by projection and angle α second cutting edge 123 between the decision of first cutting edge 121 in second cutting edge 123 and the determined plane of rotation a.Can be according to actual needs, the relative position relation and the shape of appropriate design first cutting edge 211 and second cutting edge 213 are to form the wedge angle β of different angles.
In step (3), the machining path of profile milling cutter 100 can be set by CNC milling machine is carried out pre-programmed, and it is stored in controller or the personal control.Certainly, the mode that profile milling cutter 100 control Scheme Selection is also comprised manual control.
With reference to above-mentioned forming method, adopt the profile milling cutter 100 of the single embodiment of the invention time processing to go out four four surfaces 211,213,215,217 that connect successively, and wherein the connection on two surfaces 211,213 is wedge angle β.Utilize profile milling cutter of the present invention and forming method can avoid tool changing or clamping workpiece again, reduce therefore spent man-hour, working (machining) efficiency is provided, and can avoid the error accumulation that causes because of tool setting again, improved machining accuracy.
Be appreciated that, the quantity of the cutting edge of profile milling cutter of the present invention is not subjected to the restriction of embodiment, such as, it can only comprise first cutting edge 121 and second cutting edge 123, utilize this profile milling cutter can process first surface 211 and second surface 213 on workpiece 200, first surface 211 can form wedge angle equally with second surface 213 connections.Certainly, profile milling cutter of the present invention can also comprise five even more cutting edge, to process satisfactory shape on workpiece.
In addition, those skilled in the art also can do other variation in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included in the present invention's scope required for protection.

Claims (8)

1. profile milling cutter, it comprises cutter hub and is formed at first cutting edge and second cutting edge on this cutter hub, it is characterized in that: this first cutting edge and second cutting edge are crisscross arranged on the direction of rotation of this cutter hub, and this first cutting edge intersects around rotate a circle formed cutting face and this second cutting edge of the rotation of this cutter hub.
2. profile milling cutter as claimed in claim 1 is characterized in that: this first cutting edge from the end of cutter hub along and the direction of the rotation oblique of cutter hub extend, its rotation around this cutter hub formed this cutting face that rotates a circle is the conical surface.
3. profile milling cutter as claimed in claim 2 is characterized in that: this profile milling cutter also comprises the 3rd cutting edge, and the 3rd cutting edge is connected and radially extending to cutter hub inside along cutter hub with the end that first cutting edge is positioned at the cutter hub end.
4. profile milling cutter as claimed in claim 1 is characterized in that: this second cutting edge is from outer surface radially the extending to cutter hub inside along cutter hub of cutter hub.
5. profile milling cutter as claimed in claim 4 is characterized in that: this profile milling cutter also comprises the 4th cutting edge, and the end that the 4th cutting edge and second cutting edge are positioned at the outer surface of cutter hub is connected and extends along the direction of the rotation that is parallel to cutter hub.
6. profile milling cutter as claimed in claim 1 is characterized in that: this cutter hub is made by carbide alloy or high-speed steel, and its surface is formed with dura mater, and this dura mater is a kind of in titanium carbide, TiAlN, TiAlN or the TiCN.
7. profile milling cutter as claimed in claim 1 is characterized in that: this formed surface of first cutting edge cutting workpiece and this formed surface of second cutting edge cutting workpiece are intersected and are formed wedge angle in the connection.
8. a forming method is used for processing two surfaces that are connected on workpiece, and it may further comprise the steps:
Provide as any described profile milling cutter in the claim 1 to 7;
Rotate this profile milling cutter and along default machining path feed, utilize first cutting edge and second cutting edge to form first surface and second surface respectively on workpiece, this first surface and second surface intersect and at connection formation wedge angle.
CN200910300733A 2009-03-07 2009-03-07 Molding milling cutter and molding method Active CN101823166B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910300733A CN101823166B (en) 2009-03-07 2009-03-07 Molding milling cutter and molding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910300733A CN101823166B (en) 2009-03-07 2009-03-07 Molding milling cutter and molding method

Publications (2)

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CN101823166A true CN101823166A (en) 2010-09-08
CN101823166B CN101823166B (en) 2012-08-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102744449A (en) * 2012-07-11 2012-10-24 合肥中辰轻工机械有限公司 Machining method for exhaust valve base sealing element
WO2016138810A1 (en) * 2015-03-04 2016-09-09 良佑五金工具(深圳)有限公司 Four-in-one screw hole countersunk head tool

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095723A (en) * 1999-01-19 2000-08-01 Nemco Medical Engraving tool and method for forming
CN201008998Y (en) * 2007-03-13 2008-01-23 哈尔滨飞机工业集团有限责任公司 Form milling cutter of reverse-external R

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102744449A (en) * 2012-07-11 2012-10-24 合肥中辰轻工机械有限公司 Machining method for exhaust valve base sealing element
CN102744449B (en) * 2012-07-11 2015-05-27 合肥中辰轻工机械有限公司 Machining method for exhaust valve base sealing element
WO2016138810A1 (en) * 2015-03-04 2016-09-09 良佑五金工具(深圳)有限公司 Four-in-one screw hole countersunk head tool

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Patentee after: Benchmark Precision Industry (Huizhou) Co., Ltd.

Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two

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Patentee before: Hon Hai Precision Industry Co., Ltd.

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