CN201720509U - Milling blade and milling tool - Google Patents
Milling blade and milling tool Download PDFInfo
- Publication number
- CN201720509U CN201720509U CN2010202014627U CN201020201462U CN201720509U CN 201720509 U CN201720509 U CN 201720509U CN 2010202014627 U CN2010202014627 U CN 2010202014627U CN 201020201462 U CN201020201462 U CN 201020201462U CN 201720509 U CN201720509 U CN 201720509U
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- blade
- knife face
- back knife
- milling
- face
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Abstract
The utility model discloses a milling blade, which comprises a polygonal, plate-like blade body, wherein the blade body comprises an upper surface, a lower surface and a plurality of sides connected with the upper and the lower surfaces, the center of the blade body is provided with a central blade hole for mounting and positioning, each side is provided with a rear flank and a rear tool face, the rear flanks neighbor the lower surface, the upper surface is provided with front tool faces which respectively correspond to the rear tool faces, the rear tool face of at least one side is a planar rear tool face, the front tool face corresponding to the planar rear tool face is a wavy face, and the planar rear tool face is intersected with the wavy front tool face to form a continuous wavy edge. The milling blade has the advantages that: the contact area of the front tool faces and a workpiece can be enlarged, the impact can be decreased when the workpiece is cut, the cutting force can be decreased, the scrap-breaking capability can be enhanced, abrasion can be reduced, and the requirement on high-efficiency cutting can be met. The utility model also discloses a milling tool with the milling blade.
Description
Technical field
The utility model relates to the Milling Process technology, relate in particular to milling with blade, the milling cutter of this blade is housed.
Background technology
It has been found that in milling process, the length of cutting edge directly and the vibration of cutter and processing work initiation and to finish the demand of cutting power relevant.In existing metal cutting processing industry, require when eliminating undesired vibration, can also to reduce cutting force, reduce the needed power of machining tool and provide, also requirement can be satisfied bigger machined parameters simultaneously.Improve working (machining) efficiency in order to reduce vibration, people utilize a kind of a plurality of short blades that divide cutting edges that have, and these blades have fixing position with respect to cutter hub, make the track of sword of the cutting tip that these are continuous be connected.In this application scenario, form cutting edge on the crest line of blade upper surface and side surface, cutting edge is blocked into a plurality of slot parts from side surface up to upper surface, thereby slot part correspondence position machined material can be not cut in process, because the active force that acts on the cutting edge that the smear metal that these short cutting edges are produced causes is less relatively, thereby cutting resistance can reduce.Notification number provides a kind of milling blade and milling cutter for the patent documentation of CN201432141Y, this blade comprises blade body, blade body is by upper surface, the major opposing side of lower surface and connection upper and lower surface surrounds, blade body is provided with the blade center hole, upper surface has rake face, each major opposing side all has back knife face and flank, back knife face and rake face intersect, flank and lower surface intersect, the back knife face of a major opposing side and rake face intersect formation one continuous straight line sword in adjacent two major opposing sides, the back knife face of major opposing side and rake face intersect the formation sword and are divided into the little sword of multistage in addition, this milling cutter is provided with two above blade bearings on cutter body, Indexable insert for milling is installed on the blade bearing of milling cutter by this installation method, make the straight line sword of adjacent Indexable insert for milling and divide the bits land to distribute alternately, it connects the knife-edge formula as shown in Figure 1.The structure of continuous straight line sword of this kind and interrupted straight line sword, though can reduce certain cutting force, but its chip breaking effect is undesirable, particularly when high-efficient cutting, because the solid capacity in the unit interval requires to increase, and this blade causes smear metal effectively not discharge because of the chip breaking in time of straight line blade branch, and the cutter sheet weares and teares easily and easily produces and vibrates, and the high-efficient cutting ability is subjected to certain restriction.
The utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of contact area that can increase rake face and workpiece is provided, the impact when reducing the incision workpiece, reduces cutting force, improve chip breaking chip ability, alleviate wearing and tearing, satisfy the milling blade that high-efficient cutting requires, and the milling cutter of installing this blade.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of milling blade, comprise and be the tabular blade body of polygon, described blade body is by upper surface, a plurality of sides of lower surface and connection upper and lower surface surround, the center of described blade body is provided with the blade center hole that is used to install the location, each side all has flank and back knife face, described flank and lower surface are adjacent, described upper surface has and each back knife face rake face one to one, the back knife face of at least one side is a plane back knife face, the rake face corresponding with described plane back knife face is wavy surface, and described plane back knife face and planar rake face in wave shape intersect formation continuous wave sword.
The side adjacent with described plane back knife face is provided with chip dividing groove, and described chip dividing groove is divided into the interrupted back of M section knife face with the back knife face of this side, described interrupted back knife face and the crossing interrupted sword of M section, wherein 2≤M≤8 of forming of corresponding rake face.
The side relative with described plane back knife face is provided with chip dividing groove, described chip dividing groove is divided into the interrupted back of M section knife face with the back knife face of this side, described interrupted back knife face and the crossing interrupted sword of M section that forms of corresponding rake face, 2≤M≤8 wherein, the formation front cutting edge is intersected with upper surface in the side adjacent with described plane back knife face or interrupted back knife face.
The quantity in described blade center hole is 1～4.
The trough of described continuous wave sword is corresponding with each section cutting edge in the interrupted sword, and the crest of continuous wave sword is corresponding with chip dividing groove.
Described each back knife face has first relief angle, and described flank has second relief angle, and first relief angle is less than or equal to second relief angle.
A kind of milling cutter comprises cutter body, and described cutter body upper edge is circumferentially with plural blade bearing, and above-mentioned milling blade is installed on each blade bearing.
The other dregs guiding groove that is provided with of described blade bearing, described dregs guiding groove is provided with and is beneficial to the smooth edge of discharging smear metal.
Compared with prior art, advantage of the present utility model is:
Milling blade of the present utility model, adopt plane back knife face and planar rake face in wave shape to intersect and form the continuous wave sword, utilize the waveform configuration of cutting edge can increase the contact area of blade rake face and workpiece, impact when reducing blade incision workpiece, effectively reduce cutting force and improve cutter chip breaking chip ability greatly, alleviate the wearing and tearing of blade and cutter, thereby make such blade under the highly-efficient processing operating mode of big cutting-in, roughing feed, have the service life longer than existing blade, economy is better.The blade center hole can be established 1～4, concrete quantity can be set according to the size of cutting force, when this blade application during in the bigger occasion of cutting force (as the roughing of big cutting-in), can establish 4 blade center holes, 4 dog screws can be installed like this, bigger clamping force is provided, thereby guarantees positioning accuracy, improve the surface quality of workpiece.The trough of continuous wave sword is corresponding with each section cutting edge in the interrupted sword, makes continuous wave sword and interrupted sword form complementation when cutting workpiece, guarantees machined surface quality when producing desirable bits under guaranteeing low cutting force.On the milling cutter of the present utility model, be equiped with many milling blades of the present utility model, these millings distribute alternately with the continuous wave sword of blade and interrupted sword, and such structure has improved that existing Tool in Cutting resistance is bigger than normal, the problem of chip-breaking performance difference.
Description of drawings
Fig. 1 is the knife-edge formula that the connects schematic diagram of two kinds of blade cut swords in the prior art;
Fig. 2 is the perspective view of milling of the present utility model with blade embodiment;
Fig. 3 is the main TV structure schematic diagram of milling of the present utility model with blade embodiment;
Fig. 4 is the plan structure schematic diagram of milling of the present utility model with blade embodiment;
Fig. 5 is the connect knife-edge formula schematic diagram of milling of the present utility model with blade embodiment;
Fig. 6 is the structural representation of milling of the present utility model with the interrupted sword of zigzag of blade;
Fig. 7 is the structural representation of milling of the present utility model with the trapezoidal interrupted sword of blade;
Fig. 8 is the perspective view of milling of the present utility model with another embodiment of blade;
Fig. 9 is the perspective view of milling cutter first embodiment of the present utility model;
Figure 10 is the perspective view of milling cutter second embodiment of the present utility model;
Figure 11 is the perspective view of milling cutter the 3rd embodiment of the present utility model.
Each label is represented among the figure:
1, blade body; 2, upper surface; 3, lower surface; 4, side; 5, blade center hole; 6, continuous wave sword; 7, interrupted sword; 8, front cutting edge; 9, cutter body; 10, blade bearing; 11, dregs guiding groove; 21, rake face; 22, bearing-surface; 41, flank; 42, plane back knife face; 43, chip dividing groove; 44, interrupted back knife face; 111, smooth edge.
The specific embodiment
Fig. 2 to Fig. 4 shows a kind of milling blade embodiment of the present utility model, this blade comprises and is the tabular blade body of polygon 1, blade body 1 is by upper surface 2, a plurality of sides 4 of lower surface 3 and connection upper and lower surface surround, the center of blade body 1 is provided with the blade center hole 5 that is used to install the location, each side 4 all has flank 41 and back knife face, flank 41 is adjacent with lower surface 3, upper surface 2 have bearing-surface 22 and with each back knife face rake face 21 one to one, rake face 21 is positioned at bearing-surface 22 peripheries, the back knife face of the side 4 in a plurality of sides 4 is a plane back knife face 42, the rake face 21 corresponding with plane back knife face 42 is wavy surface, plane back knife face 42 intersects formation continuous wave sword 6 with planar rake face 21 in wave shape, utilize the waveform configuration of cutting edge can increase the contact area of blade rake face 21 and workpiece, impact when reducing blade incision workpiece, effectively reduce cutting force and improve cutter chip breaking chip ability greatly, alleviate the wearing and tearing of blade and cutter, thereby make such blade in big cutting-in, under the highly-efficient processing operating mode of roughing feed, have the service life longer than existing blade, economy is better.In the present embodiment, it is foursquare tabular that blade body 1 is, and has four sides 4, and the back knife face of wherein a pair of side 4 is a plane back knife face 42, and this intersects the self-corresponding rake face 21 of plane back knife face 42 and each, forms a pair of continuous wave sword 6.Another is to being equipped with chip dividing groove 43 on the side 4 adjacent with plane back knife face 42, chip dividing groove 43 is divided into the interrupted back of M section knife face 44 with the back knife face of this side 4, each interrupted back knife face 44 intersects with each self-corresponding rake face 21 respectively, and form one group of interrupted sword 7 of forming by M section cutting edge respectively, M=4 in the present embodiment, under one situation, the span of M is 2≤M≤8.After being installed on the tool rest with blade the milling of present embodiment, can form the knife-edge formula that connects as shown in Figure 5, the trough of continuous wave sword 6 is corresponding with each section cutting edge in the interrupted sword 7, the crest of continuous wave sword 6 is corresponding with chip dividing groove 43, make continuous wave sword 6 and interrupted sword 7 when cutting workpiece, form complementation, under guaranteeing low cutting force, guarantee machined surface quality in the desirable bits of generation.The waveform of interrupted sword 7 can also adopt zig-zag as shown in Figure 6 except can adopting the circular arc waveform in the present embodiment, and trapezoidal waveform as shown in Figure 7.Each back knife face has the first relief angle α, and flank 41 has the second relief angle β, and the first relief angle α is less than or equal to the second relief angle β, and in the present embodiment, the first relief angle α is 11 °, and the second relief angle β is 15 °.Back knife face is used for and blade bearing location, and flank 41 can be avoided forming too much contacting between blade and the blade bearing, thereby reduces friction between the two.
Fig. 8 shows another kind of milling blade embodiment of the present utility model, present embodiment and the foregoing description are basic identical, difference only is, the side 4 relative with plane back knife face 42 is provided with chip dividing groove 43, chip dividing groove 43 is divided into the interrupted back of M section knife face 44 with the back knife face of this side 4, interrupted back knife face 44 intersects with corresponding rake face 21 and forms the interrupted swords 7 of M sections, M=3 wherein, the sides 4 and upper surface 2 crossing formation front cutting edges 8 adjacent with plane back knife face 42 or interrupted back knife face 44.The quantity in blade center hole 5 is 1～4, concrete quantity can be set according to the size of cutting force, when this blade application during in the bigger occasion of cutting force (as the roughing of big cutting-in), can establish 4 blade center holes, 4 dog screws can be installed like this, bigger clamping force is provided, thereby guarantee positioning accuracy, improve the surface quality of workpiece, only be provided with 1 blade center hole 5 in the present embodiment.
Fig. 9 shows a kind of milling cutter embodiment of the present utility model, this milling cutter is a kind of common face milling cutter, it comprises cutter body 9, cutter body 9 upper edges are circumferentially with 8 blade bearings 10, the quantity of blade bearing 10 is provided with as required, one is more than two, above-mentioned milling blade is installed on each blade bearing 10, these millings distribute alternately with interrupted sword 7 with the continuous wave sword 6 of blade, and such structure has improved that existing Tool in Cutting resistance is bigger than normal, the problem of chip-breaking performance difference.The blade bearing 10 other dregs guiding grooves 11 that are provided with, dregs guiding groove 11 is provided with and is beneficial to the smooth edge 111 of discharging smear metal.A kind of blade of model only need be installed on this cutter just can realize continuous wave sword 6 and the waveform of interrupted sword 7 and interrupted dual alternately complementation in the process, effectively reduced the blade kind, save cost, it is convenient to install, and has also improved the processing characteristics of cutter simultaneously.
Figure 10 and Figure 11 show other two kinds of milling cutter embodiment of the present utility model respectively, these two embodiment are all basic identical with the foregoing description, difference only is the structure difference of cutter body 9, wherein shown in Figure 11 is efficient groove processing and milling cutter, and shown in Figure 12 is big cutting-in step surface processing and milling cutter.
When being installed in above-mentioned cutting tip on the above-mentioned milling cutter, the continuous wave sword 6 of blade is distributed alternately with interrupted sword 7, to realize that continuous wave sword 6 is alternately complementary with interrupted sword 7 in the process, reduce by interrupted sword 7, disperse opposing, the resistance cutter that shakes, reduce the pressure of blade tool setting bar, improve chip-breaking performance by continuous wave sword 6, assurance chip removal smoothness, by the alternately complementary surface of the work crudy that improves of continuous wave sword 6 and interrupted sword 7, prolong the service life of blade and cutter, can save blade, the use cost of cutter has good and economic.
Above-mentioned is preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art, under the situation that does not break away from the technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all should drop in the scope of technical solutions of the utility model protection any simple modification, equivalent variations and modification that above embodiment did according to the utility model technical spirit.
Claims (9)
1. milling blade, comprise and be the tabular blade body of polygon (1), described blade body (1) is by upper surface (2), a plurality of sides (4) of lower surface (3) and connection upper and lower surface surround, the center of described blade body (1) is provided with the blade center hole (5) that is used to install the location, each side (4) all has flank (41) and back knife face, described flank (41) is adjacent with lower surface (3), described upper surface (2) has and each back knife face rake face (21) one to one, it is characterized in that: the back knife face of at least one side (4) is a plane back knife face (42), the rake face (21) corresponding with described plane back knife face (42) is wavy surface, and described plane back knife face (42) intersects formation continuous wave sword (6) with planar rake face in wave shape (21).
2. milling blade according to claim 1, it is characterized in that: the side (4) adjacent with described plane back knife face (42) is provided with chip dividing groove (43), described chip dividing groove (43) is divided into the interrupted back of M section knife face (44) with the back knife face of this side (4), described interrupted back knife face (44) and the crossing interrupted sword of M section (7), wherein 2≤M≤8 of forming of corresponding rake face (21).
3. milling blade according to claim 1, it is characterized in that: the side (4) relative with described plane back knife face (42) is provided with chip dividing groove (43), described chip dividing groove (43) is divided into the interrupted back of M section knife face (44) with the back knife face of this side (4), described interrupted back knife face (44) and the crossing interrupted sword of M section (7) that forms of corresponding rake face (21), 2≤M≤8 wherein, the side (4) adjacent with described plane back knife face (42) or interrupted back knife face (44) are intersected with upper surface (2) and are formed front cutting edge (8).
4. milling blade according to claim 3 is characterized in that: the quantity of described blade center hole (5) is 1～4.
5. according to each described milling blade in the claim 2 to 4, it is characterized in that: the trough of described continuous wave sword (6) is corresponding with each section cutting edge in the interrupted sword (7), and the crest of continuous wave sword (6) is corresponding with chip dividing groove (43).
6. according to each described milling blade in the claim 1 to 4, it is characterized in that: described each back knife face has first relief angle (α), and described flank (41) has second relief angle (β), and first relief angle (α) is less than or equal to second relief angle (β).
7. milling blade according to claim 5 is characterized in that: described each back knife face has first relief angle (α), and described flank (41) has second relief angle (β), and first relief angle (α) is less than or equal to second relief angle (β).
8. a milling cutter comprises cutter body (9), and described cutter body (9) upper edge is circumferentially with plural blade bearing (10), it is characterized in that, is equipped with on each blade bearing (10) as each described milling blade in the claim 1 to 7.
9. described according to Claim 8 milling cutter is characterized in that, the other dregs guiding groove (11) that is provided with of described blade bearing (10), and described dregs guiding groove (11) is provided with and is beneficial to the smooth edge (111) of discharging smear metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202014627U CN201720509U (en) | 2010-05-24 | 2010-05-24 | Milling blade and milling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202014627U CN201720509U (en) | 2010-05-24 | 2010-05-24 | Milling blade and milling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201720509U true CN201720509U (en) | 2011-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202014627U Expired - Lifetime CN201720509U (en) | 2010-05-24 | 2010-05-24 | Milling blade and milling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201720509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837485A (en) * | 2010-05-24 | 2010-09-22 | 株洲钻石切削刀具股份有限公司 | Milling blade, milling cutter and installation method for milling cutter |
| CN104349856A (en) * | 2012-06-14 | 2015-02-11 | 韩国冶金株式会社 | Cutting insert |
-
2010
- 2010-05-24 CN CN2010202014627U patent/CN201720509U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837485A (en) * | 2010-05-24 | 2010-09-22 | 株洲钻石切削刀具股份有限公司 | Milling blade, milling cutter and installation method for milling cutter |
| CN104349856A (en) * | 2012-06-14 | 2015-02-11 | 韩国冶金株式会社 | Cutting insert |
| CN104349856B (en) * | 2012-06-14 | 2016-05-18 | 韩国冶金株式会社 | Cutting tip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |