One kind is for opening rough machined wave sword profile milling cutter
Technical field
The utility model relates to special milling cutter fields, in particular to a kind of for opening rough machined wave sword profile milling cutter.
Background technique
Milling cutter is a kind of rotary cutter for Milling Process, usually has one or more cutters tooth, each cutter tooth work
Shi Yici intermittently cuts the surplus of workpiece.Milling cutter be mainly used on milling machine process plane, step, groove, forming surface and
Cut off workpiece etc..Milling cutter is generally the workpiece for processing specific shape and specially manufactures and designs, and is commonly used for machining angle face, recessed
Groove face, special form hole and step surface etc., the blade type of milling cutter cutting edge is generally adapted with the shape of workpiece, in order to by primary
Processing forms required specific shape on workpiece.
In current Al alloy parts finishing, it is usually used what bloom profile cutter was directly processed, but due to
The surface imperfection of Al alloy parts is easy to lead to the uneven wear of bloom profile cutter, causes its replacement frequently, increases
Processing cost is added.Therefore, it is necessary to design one kind for the rough machined cutter of Al alloy parts, to reduce finishing tool
Abrasion, save the cost.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model proposes one kind for opening rough machined wave sword profile
Milling cutter can not only reduce the abrasion of finishing tool, save the cost;And it can accomplish efficiently to open thick, saving working hour.
To achieve the goals above, the technical scheme adopted by the utility model is
It is circle that the utility model proposes one kind for opening rough machined wave sword profile milling cutter, including knife handle, the knife handle
Column construction, wherein one end of the knife handle form cutter head, and the diameter D1 of the knife handle is 8mm, the periphery of the cutter head
Upper molding is 30 ° there are three the helical profile sword being axially distributed, the helical angle a of the helical profile sword, the spiral shape
The axial width L1 of profile sword is 5.58mm-5.62mm, on the periphery of the cutter head between the helical profile sword at
Type has all sword chip spaces, and the week sword chip space is curved groove structure, and the axial width L2 of the week sword chip space is 8mm-
8.5mm forms wave edge tooth on the helical profile sword, includes 10 wave crests, the wave crest edge on the wave edge tooth
It is axially uniformly distributed and the arc radius R in wave crest section is 2mm, form end sword on the end face of the cutter head, the end sword
End sword chip space is formed between link position, the end sword chip space is rectangular recess structure, the end sword chip space and institute
It states all sword chip spaces to be connected, forms adjacent No.1 beveled end on the corresponding end sword of each helical profile sword
Sword and No. two beveled end swords, the No.1 beveled end sword and No. two beveled end swords are tilted to all sword chip space directions, institute
The gradient for stating No.1 beveled end sword is less than the gradient of No. two beveled end swords, between the helical profile sword and end sword
Point of a knife protection section is formed, the axial width L3 of the point of a knife protection section is 0.1mm-0.15mm, helical profile sword edge
The middle position of axial direction is lower than the both ends of axial direction, the middle position of the helical profile sword in axial direction
Circle diameter D2 is 5.609mm, and circle diameter D3 of the helical profile sword far from described knife handle one end is 7.085mm.
As the further improvement of the technical program, the week sword chip space in the shape of a spiral, the spiral shell of the week sword chip space
Rotation direction is consistent with the hand of spiral of the helical profile sword, and the right end of the week sword chip space gradually becomes smaller downwards.
As the further improvement of the technical program, the bottom wall of the end sword chip space is arc-shaped, the end sword chip space
Bottom wall tilted to all sword chip spaces.
As the further improvement of the technical program, the radial rake b of the helical profile sword is 14~16 °, described
First radial clearance angle c of helical profile sword is 9~11 °, and the second radial clearance angle d of the helical profile sword is 22~25 °.
As the further improvement of the technical program, the axial width L4 of the flank of the helical profile sword is
0.25mm-0.35mm。
As the further improvement of the technical program, the first end clearance angle e of the end sword is 6~8 °, the end sword
Second end clearance angle f is 16~20 °, and the end angle of cutting edge g of the end sword is 5 °~7 °.
As the further improvement of the technical program, the corresponding end sword of one of them described helical profile sword is used
Single long tooth crosses core set-up mode, and the length L5 for crossing core is 0.05mm~0.1mm.
As the further improvement of the technical program, the end of the knife handle offers chamfering, and the chamfering is 45 °.
Compared with prior art, the utility model has the beneficial effects that
The utility model proposes one kind for opening rough machined wave sword profile milling cutter, can be in the finishing of Al alloy parts
Roughing is carried out before work in advance, process is efficient, save working hour, can remove the biggish surplus in workpieces processing surface, for
Finishing tool provides uniform surplus, and the workpiece of irregular status is avoided to cause non-uniform abrasion to finishing tool, from
And achieved the purpose that protect finishing tool, reduce cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in the utility model embodiment;
Fig. 2 is the structural schematic diagram of the end sword in the utility model embodiment;
Fig. 3 is the enlarged structure schematic diagram of circled in Fig. 1;
Fig. 4 is the structural schematic diagram of the wave edge tooth in the utility model embodiment;
Fig. 5 is all angles and the axial wide structure of flank of the helical profile sword in the utility model embodiment
Schematic diagram;
Fig. 6 is the structural schematic diagram of all angles of the end sword in the utility model embodiment;
Fig. 7 is that single long tooth of the end sword in the utility model embodiment crosses the structural schematic diagram of core set-up mode;
Fig. 8 crosses core set-up mode for single long tooth of the end sword in the utility model embodiment and is formed by structural schematic diagram;
Fig. 9 is processing signal of the wave sword profile milling cutter when carrying out out roughing to workpiece in the utility model embodiment
Figure.
In figure: 1- knife handle, 2- cutter head, 21- helical profile sword, 22- weeks sword chip space, 23- wave edge tooth, the end 24- sword,
The end 25- sword chip space, 26- point of a knife protect section, 241- No.1 beveled end sword, No. bis- beveled end swords of 242-.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As shown in figs 1-9, the utility model embodiment provides one kind and is used to open rough machined wave sword profile milling cutter, including
Knife handle 1, the knife handle 1 are cylindrical structure, and wherein one end of the knife handle 1 forms cutter head 2;
The diameter D1 of the knife handle 1 is 8mm, and there are three the spiral shapes being axially distributed for molding on the periphery of the cutter head 2
The helical angle a of profile sword 21, the helical profile sword 21 is 30 °, and the axial width L1 of the helical profile sword 21 is
5.58mm-5.62mm forms all sword chip spaces 22 on the periphery of the cutter head 2 between the helical profile sword 21,
The week sword chip space 22 is curved groove structure, and the axial width L2 of the week sword chip space 22 is 8mm-8.5mm, the spiral shell
Wave edge tooth 23 is formed on rotation shape profile sword 21, includes 10 wave crests on the wave edge tooth 23, the wave crest is along axial equal
The arc radius R in even distribution and wave crest section is 2mm, and end sword 24, the company of the end sword 24 are formed on the end face of the cutter head 2
It connects and forms end sword chip space 25 between position, the end sword chip space 25 is rectangular recess structure, the end sword chip space 25
It is connected with all sword chip spaces 22, is formed on the corresponding end sword 24 of each helical profile sword 21 adjacent
No.1 beveled end sword 241 and No. two beveled end swords 242, the No.1 beveled end sword 241 and No. two equal Xiang Suoshu of beveled end sword 242
All 22 direction of sword chip space inclinations, the gradient of the No.1 beveled end sword 241 are less than the inclination of No. two beveled end swords 242
Degree, forms point of a knife protection section 26 between the helical profile sword 21 and end sword 24, the point of a knife protects the axial wide of section 26
Degree L3 is 0.1mm-0.15mm, and the middle position of the helical profile sword 21 in axial direction is lower than the both ends of axial direction,
The middle position of the helical profile sword 21 in axial direction is the spiral shell at the minimum point of the helical profile sword 21
The circle diameter D2 revolved at the minimum point of shape profile sword 21 is 5.609mm, and the helical profile sword 21 is far from the knife handle 1
One end be the helical profile sword 21 highest point at, the circle diameter D3 at 21 highest point of helical profile sword is
7.085mm。
As shown in figure 9, the left side of figure is wave sword profile milling cutter, the right is workpiece, can be in aluminium in application the present embodiment
Roughing is carried out before the finishing of alloy workpiece in advance, when processing, by the spiral shape of workpiece to be processed contact wave sword profile milling cutter
Profile sword 21, the work of wave sword profile milling cutter, each helical profile sword 21 of wave sword profile milling cutter are driven by milling machine
Successively intermittently to cut the surplus on workpiece, whole process is efficient, save working hour, can remove workpieces processing surface compared with
Big surplus avoids the workpiece of irregular status from causing not finishing tool to provide uniform surplus to finishing tool
Uniform abrasion, to achieve the purpose that protect finishing tool, to reduce production cost.
Chip removal is carried out when further, to process convenient for helical profile sword 21 to workpiece, in the present embodiment, institute
State all sword chip spaces 22 in the shape of a spiral, the hand of spiral of the week sword chip space 22 and the spiral side of the helical profile sword 21
To consistent, the right end of the week sword chip space 22 is gradually become smaller downwards.
Further, to carry out chip removal when processing convenient for end sword 24 to workpiece, in the present embodiment, the end sword row
The bottom wall for considering slot 25 to be worth doing is arc-shaped, and the bottom wall of the end sword chip space 25 is tilted to all sword chip spaces 22.
It further, is the sharpness and cutting edge strength that improve helical profile sword 21, in the present embodiment, the spiral
The radial rake b of shape profile sword 21 is 14~16 °, and the first radial clearance angle c of the helical profile sword 21 is 9~11 °, described
Second radial clearance angle d of helical profile sword 21 is 22~25 °, the axial width L4 of the flank of the helical profile sword 21
For 0.25mm-0.35mm.
It further, is the cutting force for enhancing end sword 24, in the present embodiment, the first end clearance angle e of the end sword 24
It is 6~8 °, the second end clearance angle f of the end sword 24 is 16~20 °, and the end angle of cutting edge g of the end sword 24 is 5 °~7 °.
Further, to make the central part for holding sword 24 that also there is cutting force, in the present embodiment, one of them described spiral shell
The corresponding end sword 24 of rotation shape profile sword 21 crosses core set-up mode using single long tooth, and the length L5 for crossing core be 0.05mm~
0.1mm;As Figure 8-9, single long tooth cross core set-up mode refer to the corresponding end sword of one of helical profile sword 21 (
Be called shear blade) extended end blade surface central axis geometric center point set-up mode.
Further, for convenient for milling cutter to be loaded on milling machine, in the present embodiment, the end of the knife handle 1 is offered
Chamfering, the chamfering are 45 °.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.