CN106735487A - Position rotatable blade for milling processing and process tool - Google Patents
Position rotatable blade for milling processing and process tool Download PDFInfo
- Publication number
- CN106735487A CN106735487A CN201611233455.3A CN201611233455A CN106735487A CN 106735487 A CN106735487 A CN 106735487A CN 201611233455 A CN201611233455 A CN 201611233455A CN 106735487 A CN106735487 A CN 106735487A
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- Prior art keywords
- cutting edge
- blade
- blade body
- projection
- installation piece
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/006—Details of the milling cutter body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
- B23C5/24—Securing arrangements for bits or teeth or cutting inserts adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/12—Side or flank surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/28—Angles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses position rotatable blade for milling processing, it includes the blade body surrounded jointly by upper surface, bottom surface and by the two connected peripheral side；Blade body is provided with installation center hole, main cutting edge, front cutting edge, wiper edges；Also include two projection swords on the second diagonal of blade body, projection sword connection main cutting edge and front cutting edge；Wherein, wiper edges to the vertical range H of bottom surface be maximum spacing between upper surface and bottom surface, the vertical range h of projection sword to bottom surface, and difference therebetween is Δ h, Δ h is any value in the range of the mismachining tolerance of bottom surface；When being ground to bottom surface, two wiper edges and two projection swords constitute a supporting surface, the vibration problems of blade body when solving grinding；Even if difference, Δ h is always any value in the range of the mismachining tolerance of bottom surface, and it causes processing differences all the time in the range of the mismachining tolerance of bottom surface, so as to ensure that the grinding accuracy of bottom surface.
Description
Technical field
The present invention relates to metal cutting process, a kind of position rotatable blade for milling processing is related in particular to, and have
The process tool of the position rotatable blade for milling processing.
Background technology
Existing common face milling blade, in order to form positive axial inclination in machining, often adopts
Realized with the mode of the downward inclined bottom surface of blade main cutting edge, be so beneficial to the smooth exclusion of chip during machining.
As Chinese patent literature CN101474690B discloses a kind of rotatable blade for face milling and processing, including
The blade body surrounded by a upper surface, two end faces of a bottom surface and the upper bottom surface of connection and two sides, institute
The center for stating blade body is provided with blade center hole for installing housing screw, the upper surface and two intersecting lenses of side
A pair of main cutting edges are formed, the main cutting edge is by the curve sword connection raised laterally of at least three sections opposing blades centre bores
Turn the face of cylinder with each self-corresponding cutting rotary into, each section of curve sword plane where each and intersect to form, adjacent two sections of curve swords
Seamlessly transit and connect；The upper surface of the blade body is respectively formed wiper edges and front cutting edge with the intersecting lens of each end face, described
Main cutting edge is connected with wiper edges by the cutting angle of arc-shaped, and the main cutting edge to the bottom surface of blade body gradually inclining
Oblique mode, front cutting edge positioned at the blade body other end is extended to from the cutting angle positioned at blade body one end.
But the blade of similar said structure in production with certain difficulty, due to carbide chip production technology
Can be deformed in high temperature sintering, so after blade is generally carried out using special equipment for grinding to blade bottom surface after sintering
Continuous grinding.In grinding, when bottom surface is ground, locating surface is with blade top to the blade of this structure during due to grinding
Used as locating surface, blade can position unstable and occur to swing and ultimately cause knife face wiper edges peak during grinding bottom surface
Piece machining accuracy declines.
The content of the invention
Therefore, the technical problems to be solved by the invention are face milling processing of the prior art uses indexable knife
Piece, blade can position unstable and occur to swing and ultimately cause the decline of blade machining accuracy during grinding blade bottom surface；Enter
And a kind of position rotatable blade for milling processing that can improve blade precision is provided, it is further provided one kind has the Milling Process
With the process tool of indexable insert tip, throw away tip.
In order to solve the above technical problems, position rotatable blade for milling processing of the invention, it is included by upper surface, bottom surface
And the blade body for surrounding the two connected peripheral side jointly；The blade body is provided with
Installation center hole, is used to install the positioning blade body located at the center of the blade body；
Two major opposing sides of main cutting edge, the upper surface and the peripheral side are crossed to form two main cutting edges；
The secondary side of two of front cutting edge, the upper surface and the peripheral side is crossed to form two front cutting edges；
Wiper edges, two wiper edges on the first diagonal of the blade body, the wiper edges are by cutting
Angle is connected with the main cutting edge；
Also include
Projection sword, two projection swords on the second diagonal of the blade body, the projection sword connection is described
Main cutting edge and the front cutting edge；
Wherein, the wiper edges to the vertical range H of the bottom surface be maximum between the upper surface and the bottom surface
Spacing, the vertical range h of the projection sword to the bottom surface, and difference therebetween are Δ h, and the Δ h is under described
Any value in the range of the mismachining tolerance of bottom surface.
The Δ h meets：0≤Δh≤0.1mm.
The main cutting edge with gradually to the inclined mode of the bottom surface, from the cutting of described blade body one end
Angle extends to the projection sword of the blade body other end；The front cutting edge is with gradually to the inclined side of the bottom surface
Formula, the wiper edges of the blade body opposite side are extended to from the projection sword of the blade body side.
Projection of projection of the wiper edges on the bottom surface with the main cutting edge on the bottom surface is mutual
Vertically.
The wiper edges and the projection sword are parallel to the bottom surface.
The front cutting edge meets with the angle δ of the bottom surface：5°≤δ≤20°.
The front cutting edge meets with the angle theta of the projection sword：10°≤θ≤75°.
Process tool, it includes knife rest, blade and for the blade to be fixed on into being connected on the knife rest
Structure；The blade is set to position rotatable blade for milling processing as described above；
Wherein, the structure that is connected includes
Mounting groove, the mounting groove is molded on knife rest；
Standing groove, the standing groove is molded on the knife rest, and is connected with the mounting groove；
Counterbore, is the installation center hole, and it corresponds to the standing groove and sets；
Auxiliary installation piece, the auxiliary installation piece is bottom-up to be removably mounted in the standing groove, the auxiliary installation piece
Upper end form blind screw hole；And
Trip bolt, the trip bolt through after the counterbore with the auxiliary installation piece on the blind screw hole screw thread
Connection, the blade body is fixed in the mounting groove.
Internal thread is formed in the standing groove, the upper end of the auxiliary installation piece forms external screw thread, the auxiliary peace
Piece installing is arranged in the standing groove by the intermeshing of external screw thread and internal thread.
The port of the standing groove forms internal taper face, and the lower end of the auxiliary installation piece forms can be interior with described
The external taper face of cone match.
Above-mentioned technical proposal of the invention has advantages below compared to existing technology：
1st, in the present invention, when the bottom surface to the blade body is ground, two wiper edges and two
The projection sword constitutes a supporting surface, the vibration problems of blade body when solving grinding；Even if there is difference therebetween,
The Δ h is always any value in the range of the mismachining tolerance of the bottom surface, that is to say, that what the blade body occurred
Weak vibrations are allowed, the trickle processing differences that it brings all the time in the allowed band of the mismachining tolerance of the bottom surface,
So as to ensure that the grinding accuracy of the bottom surface.
2nd, in the present invention, the main cutting edge and the front cutting edge being obliquely installed are so that the blade body is pacified
It is attached to when on knife rest, is readily available the axial inclination of forward direction, is conducive to the discharge of fines being cut；That is, the master
There is depression breach between cutting edge and the projection sword, depression is there is also between the front cutting edge and the wiper edges and is lacked
Mouthful, so as to ensure that the fines being cut smooth can be discharged.
3rd, in the present invention, the auxiliary installation piece is detachably arranged in the knife rest in the way of from bottom to top
In the standing groove, the trip bolt through after the counterbore with the auxiliary installation piece on the blind screw hole screw thread
Tighten, so that be fixed on the blade body in the mounting groove by the trip bolt；Again because the auxiliary installation piece is
It is detachably arranged in from bottom to top in the standing groove, so when the trip bolt is cut, can be from described
The auxiliary installation piece is taken out in the lower end of standing groove, and then will remain in the end of thread of the trip bolt in the standing groove
Take out；So not only can easily take out and be cut part, the trip bolt is replaced, but also will not be to described
Standing groove or the knife rest cause any damage.
4th, in the present invention, simple structure, it is easy to using threaded connection between the standing groove and the auxiliary installation piece
Processing and fabricating and the firm, convenient disassembly of connection.
5th, in the present invention, the standing groove and the auxiliary are easy in the setting in the internal taper face and the external taper face
Installation between installed part coordinates, and up-small and down-big structure is easy to the loading and taking-up of the auxiliary installation piece.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the schematic perspective view of position rotatable blade for milling processing of the present invention；
Fig. 2 is the front view of position rotatable blade for milling processing of the present invention；
Fig. 3 is the upward view of position rotatable blade for milling processing of the present invention；
Fig. 4 is the left view of position rotatable blade for milling processing of the present invention；
Fig. 5 is another view of position rotatable blade for milling processing of the present invention；
Fig. 6 is the schematic diagram that position rotatable blade for milling processing of the present invention is installed on knife rest；
Fig. 7 is another schematic diagram that position rotatable blade for milling processing of the present invention is installed on knife rest；
Fig. 8 is auxiliary installation piece schematic diagram of the present invention；
Fig. 9 is auxiliary installation piece sectional view of the present invention；
Figure 10 is knife rest schematic diagram of the present invention；
Figure 11 is process tool schematic diagram of the present invention；
Figure 12 is process tool sectional view of the present invention；
Figure 13 is another sectional view of process tool of the present invention；
Reference is expressed as in figure：1- blade bodies；2- installation centers hole；3- main cutting edges；4- major opposing sides；The secondary cuttings of 5-
Sword；6- pairs side；7- wiper edges；8- projection swords；9- upper surfaces；10- bottom surfaces；11- knife rests；12- auxiliary installation pieces；13- is tight
Gu screw；14- mounting grooves；15- standing grooves；16- blind screw holes；17- internal threads；18- external screw threads；19- internal tapers face；20-
External taper face；21- First Transitions side；The second transition of 22- side；23- cutting angles.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belongs to present invention protection
Scope.
Embodiment 1
As shown in Fig. 1,2,3,4 and 5, the position rotatable blade for milling processing of the present embodiment, it is included by upper surface 9, bottom surface
10 and the blade body 1 that surrounds the two connected peripheral side jointly；The blade body 1 is provided with
Installation center hole 2, is used to install the positioning blade body 1 located at the center of the blade body 1；
Two major opposing sides 4 of main cutting edge 3, the upper surface 9 and the peripheral side are crossed to form two main cutting edges
3；
The secondary side 6 of two of front cutting edge 5, the upper surface 9 and the peripheral side is crossed to form two front cutting edges
5；
Wiper edges 7, two wiper edges 7 on the first diagonal of the blade body 1, the wiper edges 7 pass through
Cutting angle 23 is connected with the main cutting edge 3；
Also include
Projection sword 8, two projection swords 8 on the second diagonal of the blade body 1, the projection sword 8 is connected
The main cutting edge 3 and the front cutting edge 5；
Wherein, the vertical range H that the wiper edges 7 arrive the bottom surface 10 is between the upper surface 9 and the bottom surface 10
Maximum spacing, the vertical range h of the projection sword 8 to the bottom surface 10, and difference therebetween is Δ h, the Δ h
It is any value in the range of the mismachining tolerance of the bottom surface 10.
The Δ h meets：0≤Δh≤0.1mm.
In the present embodiment, the blade body 1 is as face milling blade of the prior art, by hard alloy
Powder pressing forming, then carries out high temperature sintering in special agglomerating plant and shrinks to be formed.But the blade body 1 is being burnt
Usually because the factor influence such as powder density distribution or sintering atmosphere, the blade body 1 occurs after causing sintering during knot
Deformation, so generally also needing to carry out grinding to the bottom surface 10 of the blade body 1 after sintering；If the Δ h
It is zero, in grinding, with two wiper edges 7 and two projections of the upper surface 9 of the blade body 1
The supporting surface that sword 8 is formed as locating surface, the vibration problems of blade body 1 when solving grinding；If having one therebetween
Determine difference, but the Δ h is always any value in the range of the mismachining tolerance of the bottom surface 10, that is to say, that the knife
The degree of rocking that piece body 1 occurs is that the trickle processing differences that it brings begin within the scope of mismachining tolerance is allowed
Eventually in the allowed band of the mismachining tolerance of the bottom surface 10, so as to ensure that the grinding accuracy of the bottom surface 10.
As shown in figure 1, the upper surface 9 of two major opposing sides 4 of the blade body 1 and the blade body 1
Intersect and formed two main cutting edges 3；As shown in Figures 3 and 5, two of the blade body 1 secondary sides 6 with it is described
The upper surface 9 of blade body 1 is intersecting and forms two front cutting edges 5, two First Transitions of the blade body 1
Side 21 is intersected with the upper surface 9 and forms two wiper edges 7, two the second transition sides of the blade body 1
22 intersect with the upper surface 9 and form two projection swords 8；Wherein, two First Transition sides 21 are in diagonal
Set, and the First Transition side 21 is located between the cutting angle 23 and the secondary side 6, two the second transition sides
Face 22 is set in diagonal, and the second transition side 22 is located between the major opposing side 4 and the secondary side 6；Wherein, institute
Cutting angle 23 is stated for circular arc cutting angle.
On the basis of above-described embodiment, in the present embodiment, the main cutting edge 3 to the bottom surface 10 gradually inclining
Mode, the projection sword of the other end of the blade body 1 is extended to from the cutting angle 23 of the one end of the blade body 1
8, as shown in figure 5, the angle β between the main cutting edge 3 and the bottom surface 10 meets：5 °≤β≤20 °, wherein, preferred institute
Angle β is stated for 10 °；The front cutting edge 5 with gradually to the inclined mode of the bottom surface 10, from the side of the blade body 1
The projection sword 8 extend to the wiper edges 7 of the opposite side of the blade body 1；The He of the main cutting edge 3 being obliquely installed
The front cutting edge 5 causes that the blade body 1 is installed to when on knife rest 11, is readily available the axial inclination of forward direction, favorably
In the discharge of the fines being cut, as shown in Figure 6；In the present embodiment, the wiper edges 7 and the projection sword 8 are under described
The distance of bottom surface 10 arrives the distance of the bottom surface 10 more than the main cutting edge 3 and the front cutting edge 5；Wherein, it is described to repair
Light sword 7 between the low side of the high-end and described front cutting edge 5 of the main cutting edge 3, located at the master cut by the projection sword 8
Cut between the low side of sword 3 and the high-end of the front cutting edge 5；So, exist between the main cutting edge 3 and the projection sword 8
Depression breach, there is also depression breach, so as to ensure the fines energy being cut between the front cutting edge 5 and the wiper edges 7
Enough smooth discharges.
Specifically, as shown in figure 3, the front cutting edge 5 meets with the angle δ of the bottom surface 10：5°≤δ≤20°；When
When the blade body 1 is arranged on particular tool body, as shown in fig. 7, the front cutting edge 5 participates in cutting, the angle δ ensures
, into positive axial inclination, cutting force is smaller and be conducive to the smooth exclusion of chip for cutting edge；As shown in figure 4, the front cutting edge 5
Angle theta with the projection sword 8 meets：10°≤θ≤75°；The angle theta is typically chosen for 30 °, 45 ° or 60 °, it is ensured that
The front cutting edge 5 has positive axial inclination after installing during actual cut.
Further, projection of the wiper edges 7 on the bottom surface 10 with the main cutting edge 3 in the bottom surface
Projection on 10 is mutually perpendicular to, and the wiper edges 7 and the projection sword 8 are parallel to the bottom surface 10；The He of the wiper edges 7
The projection sword 8 be arranged in parallel, the wiper edges 7 being arranged such and the projection sword 8 can with the parallel processed plane,
Carry out scraping light to being processed plane；As shown in fig. 6, in the case of normal mounting, the main cutting edge 3 is cut, described to repair
Light sword 7 scrapes light action parallel to processed plane and to surface to be machined；As shown in fig. 7, during specific installation, the secondary cutting
Sword 5 is cut, and the projection sword 8 scrapes light action parallel to processed plane and to surface to be machined；That is, so
The position rotatable blade for milling processing of setting, can be to mounting means and occupation mode, so as to the entirety that increased to blade makes
With number of times, blade consumption is reduced, reduce the production cost of processed part.
Embodiment 2
As shown in Fig. 8,9,10,11,12 and 13, on the basis of embodiment 1, the present embodiment further provides for a kind of processing knife
Tool, it includes knife rest 11, blade and the structure that is connected for being fixed on the blade on the knife rest 11；The knife
Piece is set to position rotatable blade for milling processing as described above；
Wherein, the structure that is connected includes
Mounting groove 14, the mounting groove 14 is molded on knife rest 11；
Standing groove 15, the standing groove 15 is molded on the knife rest 11, and is connected with the mounting groove 14；
Counterbore, is the installation center hole 2, and it corresponds to the standing groove 15 and sets；
Auxiliary installation piece 12, the auxiliary installation piece 12 is bottom-up to be removably mounted in the standing groove 15, the auxiliary
The upper end of installed part 12 forms blind screw hole 16；And
Trip bolt 13, the trip bolt 13 is through blind with the internal thread on the auxiliary installation piece 12 after the counterbore
Hole 16 is threadedly coupled, and the blade body 1 is fixed in the mounting groove 14.
In the present embodiment, the standing groove 15 is located at the underface of the mounting groove 14, and in the standing groove 15
The central axis three of heart axis, the central axis of the blind screw hole 16 and the trip bolt 13 overlaps, such as Figure 12 institutes
Show.
In the present embodiment, each described blade body 1 has a mounting groove 14, each described mounting groove
To that there should be a standing groove 15 under 14, an auxiliary installation piece 12 is provided with each standing groove 15, each
The blade body 1 is fixed in the mounting groove 14 by a trip bolt 13.The auxiliary installation piece 12 with
Mode from bottom to top is detachably arranged in the standing groove 15 of the knife rest 11, and the trip bolt 13 passes through institute
Tightened with the screw thread of the blind screw hole 16 on the auxiliary installation piece 12 after stating counterbore, so that the trip bolt 13 is by institute
Blade body 1 is stated to be fixed in the mounting groove 14；Again because the auxiliary installation piece 12 is dismountable from bottom to top installation
In the standing groove 15, so when the trip bolt 13 is cut, can be taken from the lower end of the standing groove 15
Go out the auxiliary installation piece 12, and then the end of thread of the trip bolt 13 in the standing groove 15 will be remained in take out；Such as
This not only can easily take out and be cut part, the trip bolt 13 is replaced, but also will not be to the placement
Groove 15 or the knife rest 11 cause any damage.
Specifically, as shown in FIG. 11 and 12, in the present embodiment, during installation, first will from the lower end of the standing groove 15
The auxiliary installation piece 12 is installed in the standing groove 15, then the blade body 1 is placed in the mounting groove 14, so
The trip bolt 13 is pacified after passing through the counterbore in the blade body 1 from the top down with the auxiliary of the standing groove 15 afterwards
The screw thread of the blind screw hole 16 of the upper end of piece installing 12 is tightened, in the head of screw of the trip bolt 13 and the blade body 1
Counterbore with merge the blade body 1 is locked in the mounting groove 14；After the trip bolt 13 is broken, its
Head of screw part can be taken out by the counterbore, and threaded portion can be taken out by the auxiliary installation piece 12, i.e., from institute
The auxiliary installation piece 12 is taken out in the lower end for stating standing groove 15, and then will remain in the trip bolt in the standing groove 15
13 end of thread takes out.
Wherein, in the present embodiment, when the auxiliary installation piece 12 is fitted into the standing groove 15, coupling mechanism force should not be too big,
Instrument is reused after locking rotate 10 ° to 20 ° and be advisable, because coupling mechanism force is too big or too small can all influence tool fixing structure
Overall performance.When changing the auxiliary installation piece 12, before the new auxiliary installation piece 12 is installed, it is preferred to use hairbrush
Or air gun cleans out the iron filings and impurity of residual in the mounting groove 14 and the standing groove 15, so as to ensure the blade
The smooth installation of body 1 and the auxiliary installation piece 12.
Meanwhile, for prior art, when the failure fracture of the trip bolt 13 is remained in the knife rest 11,
The knife rest 11 need not be unloaded from machine tool chief axis, after main shaft stalling, the institute of corresponding fracture can be directly found in lathe
The standing groove 15 where trip bolt 13 is stated, operating personnel need to only take out the auxiliary installation piece 12, and what is more renewed is described
After auxiliary installation piece 12, just can continue processing and use, eliminate cumbersome process, improve cutter utilization rate, save enterprise
The cost of charp tool.
Specifically, as preferred embodiment, in the present embodiment, internal thread 17 is formed in the standing groove 15,
The upper end of the auxiliary installation piece 12 forms external screw thread 18, and the auxiliary installation piece 12 is by external screw thread 18 and internal thread 17
Intermeshing is arranged in the standing groove 15.That is, in the present embodiment, the standing groove 15 and the auxiliary are installed
The upper end of part 12 is using threaded connection, simple structure, making easy to process and the firm, convenient disassembly of connection.
Further, as shown in FIG. 8 and 9, for the ease of the installation and removal of the auxiliary installation piece 12, the standing groove
15 port forms internal taper face 19, and the lower end of the auxiliary installation piece 12 forms can be outer with inner conical surface cooperation
Taper face 20；The standing groove 15 and the auxiliary installation piece are easy in the setting in the internal taper face 19 and the external taper face 20
Installation between 12 coordinates, and up-small and down-big structure is easy to the loading and taking-up of the auxiliary installation piece 12.
The auxiliary installation piece 12 of the present embodiment is arranged on the corresponding placement of the knife rest 11 by fastening tool
In groove 15, it is engaged by internal thread 17, external screw thread 18 and internal taper face 19, external taper face 20 is brought into close contact, the auxiliary peace
Piece installing 12 is firmly fixed in knife rest 11, and blade body 1 passes through trip bolt 13 and the threaded engagement of the auxiliary installation piece 12
Be fixed in mounting groove 14 described in knife rest 11, because the simple structure of the auxiliary installation piece 12 and overall dimensions are smaller, its
Interference will not be produced with body is cut in process, when the trip bolt 13 is broken the standing groove in the knife rest 11
When in 15, the auxiliary installation piece 12 just only can be easily taken out from knife rest 11 with a spanner, whole removing is not except
Ballast, belongs to contactless removal, does not have following process program typically, and just the replaceable new auxiliary installation piece 12 is pacified
Install rear cutter and can continue processing and use, that is, save process time and improve processing efficiency again.
Specifically, as shown in figure 9, the cone angle in the internal taper face 19 of the standing groove 15 and the auxiliary installation piece 12 it is outer
The cone angle of taper face 20 is all set to sharp angle α, i.e. 0 ＜ α ＜ 90.In the present embodiment, preferably sharp angle α is set to 5 °.
As shown in Figure 12 and Figure 13, in the present embodiment, preferably described auxiliary installation piece 12 is set to additional screws；Wherein,
The end of thread of the additional screws after installation does not stretch into the mounting groove 14, and the tail end of the additional screws does not protrude described
The external diameter of knife rest 11；The end of thread of the additional screws will not be projected in the mounting groove 14, and tail end will not also protrude described
The external diameter of knife rest 11, it is ensured that the additional screws do not interfere with the installation of the blade body 1；Meanwhile, the letter of additional screws structure
Single, specification is smaller, is placed in the knife rest 11 and does not produce interference to the blade body 1, therefore does not influence the cutter to fix
Structure it is actually used.
Further, the present embodiment preferably screw thread of the trip bolt 13 and screw thread of the blind screw hole 16 is all set to
Standard M2.5 screw threads；The internal thread 17 of the standing groove 15 and the external screw thread 18 of the auxiliary installation piece 12 are all set to standard M3.5
Screw thread；Wherein, the external screw thread of the hand of spiral of the blind screw hole 16 of the auxiliary installation piece 12 and the auxiliary installation piece 12
18 hand of spiral is opposite.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
1. position rotatable blade for milling processing, it is included by upper surface（9）, bottom surface（10）And by the two connected perimeter sides
The blade body that face surrounds jointly（1）；The blade body（1）It is provided with
Installation center hole（2）, located at the blade body（1）Center be used to that the positioning blade body to be installed（1）；
Main cutting edge（3）, the upper surface（9）With two major opposing sides of the peripheral side（4）It is crossed to form two masters
Cutting edge（3）；
Front cutting edge（5）, the upper surface（9）With two of the peripheral side secondary sides（6）It is crossed to form two pairs
Cutting edge（5）；
Wiper edges（7）, located at the blade body（1）The first diagonal on two wiper edges（7）, the wiper edges
（7）By cutting angle（23）With the main cutting edge（3）It is connected；
It is characterized in that：Also include
Projection sword（8）, located at the blade body（1）The second diagonal on two projection swords（8）, the projection sword
（8）Connect the main cutting edge（3）With the front cutting edge（5）；
Wherein, the wiper edges（7）To the bottom surface（10）Vertical range H be the upper surface（9）With the bottom surface
（10）Between maximum spacing, the projection sword（8）To the bottom surface（10）Vertical range h, and difference therebetween
It is Δ h, the Δ h is the bottom surface（10）Mismachining tolerance in the range of any value.
2. position rotatable blade for milling processing according to claim 1, it is characterised in that：The Δ h meets：0≤Δh≤
0.1mm。
3. position rotatable blade for milling processing according to claim 1, it is characterised in that：The main cutting edge（3）With by
Gradually to the bottom surface（10）Inclined mode, from the blade body（1）The cutting angle of one end（23）Extend to described
Blade body（1）The projection sword of the other end（8）；The front cutting edge（5）With gradually to the bottom surface（10）It is inclined
Mode, from the blade body（1）The projection sword of side（8）Extend to the blade body（1）The described of opposite side is repaiied
Light sword（7）.
4. position rotatable blade for milling processing according to claim 3, it is characterised in that：The front cutting edge（5）With institute
State bottom surface（10）Angle δ meet：5°≤δ≤20°.
5. position rotatable blade for milling processing according to claim 3, it is characterised in that：The front cutting edge（5）With institute
State projection sword（8）Angle theta meet：10°≤θ≤75°.
6. position rotatable blade for milling processing according to claim 1, it is characterised in that：The wiper edges（7）Described
Bottom surface（10）On projection and the main cutting edge（3）In the bottom surface（10）On projection be mutually perpendicular to.
7. position rotatable blade for milling processing according to claim 1, it is characterised in that：The wiper edges（7）With it is described
Projection sword（8）Parallel to the bottom surface（10）.
8. process tool, it includes knife rest（11）, blade and for the blade to be fixed on into the knife rest（11）On company
Connect fixed structure, it is characterised in that：The indexable knife of the Milling Process that the blade is set to any one of claim 1-7
Piece；
Wherein, the structure that is connected includes
Mounting groove（14）, the mounting groove（14）It is molded over knife rest（11）On；
Standing groove（15）, the standing groove（15）It is molded over the knife rest（11）On, and with the mounting groove（14）Connection；
Counterbore, is the installation center hole（2）, it corresponds to the standing groove（15）Set；
Auxiliary installation piece（12）, the auxiliary installation piece（12）It is bottom-up to be removably mounted at the standing groove（15）It is interior, institute
State auxiliary installation piece（12）Upper end form blind screw hole（16）；And
Trip bolt（13）, the trip bolt（13）With the auxiliary installation piece after through the counterbore（12）On it is described in
Tapped blind hole（16）Threaded connection, the blade body（1）It is fixed on the mounting groove（14）It is interior.
9. process tool according to claim 8, it is characterised in that：The standing groove（15）Inside form internal thread
（17）, the auxiliary installation piece（12）Upper end form external screw thread（18）, the auxiliary installation piece（12）By external screw thread
（18）And internal thread（17）Intermeshing be arranged on the standing groove（15）It is interior.
10. process tool according to claim 8, it is characterised in that：The standing groove（15）Port form in
Taper face（19）, the auxiliary installation piece（12）Lower end form can with the inner conical surface coordinate external taper face（20）.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611233455.3A CN106735487B (en) | 2016-12-28 | 2016-12-28 | Position rotatable blade for milling processing and process tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611233455.3A CN106735487B (en) | 2016-12-28 | 2016-12-28 | Position rotatable blade for milling processing and process tool |
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| CN106735487A true CN106735487A (en) | 2017-05-31 |
| CN106735487B CN106735487B (en) | 2018-07-13 |
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| CN112045227A (en) * | 2020-07-27 | 2020-12-08 | 厦门金鹭特种合金有限公司 | Peripheral drilling blade and drilling tool thereof |
| CN113664270A (en) * | 2021-09-07 | 2021-11-19 | 株洲华锐精密工具股份有限公司 | Cutting blade and cutting tool |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106735487B (en) | 2018-07-13 |
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Address after: 412000 Zhuzhou City, Hunan Province, No. two road, No. 68 Patentee after: Zhuzhou Huarui precision tool Limited by Share Ltd Address before: 412007 No. 209 the Yellow River South Road, Tianyuan District, Zhuzhou, Hunan. Patentee before: Zhuzhou Huarui Cemented Carbide Tool Co., Ltd. |