CN101602123B - Indexable insert for milling, milling cutter and method for mounting milling cutter - Google Patents
Indexable insert for milling, milling cutter and method for mounting milling cutter Download PDFInfo
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- CN101602123B CN101602123B CN200910043792XA CN200910043792A CN101602123B CN 101602123 B CN101602123 B CN 101602123B CN 200910043792X A CN200910043792X A CN 200910043792XA CN 200910043792 A CN200910043792 A CN 200910043792A CN 101602123 B CN101602123 B CN 101602123B
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Abstract
The invention discloses an indexable insert for milling, a milling cutter and a method for mounting the milling cutter, the indexable insert for milling comprises an insert body which is surrounded by an upper surface, a lower surface and side surfaces connected with the upper surface and the lower surface as well as which is provided with an insert central hole, the upper surface is provided with a front cutter face, each side surface has a rear cutter face and a rear gap face, the rear cutter face intersects the front cutter face, the rear gap face intersects the lower surface, the rear cutter face and the front cutter face of one of two adjacent side surfaces are intersected to form a straight edge, the rear cutter face and the front cutter face of the other one are intersected to form a waveform edge, and the indexable insert has the advantage of achieving high-effective processing in case of large cutting depth and large cutting feed. The cutter body is provided with more than two tool posts by the milling cutter, the indexable insert for milling is mounted on the tool posts of the milling cutter via the mounting method so that the straight edges and the waveform edges of the adjacent indexable inserts for milling are distributed alternatively, and the milling cutter has the advantages of convenient mounting, being capable of improving processing quality on the surface of workpiece and good economical efficiency.
Description
Technical field
The present invention relates to the Milling Process technology, relate in particular to Indexable insert for milling, the milling cutter and the method for mounting milling cutter of this blade are housed.
Background technology
In the process of carrying out Milling Process, the surface quality of often more consideration work pieces and the abrasion condition of blade, the stressing conditions of cutter are then seldom considered, and are mostly adopted continuous type straight line sword or waveform sword to cooperate with the waveform sword and process.For continuous type straight line sword, because in the working angles, whole cutting edge all participates in processing, so the cutting resistance that blade bears is very big, and blade also can produce more heat in metal cutting with for a long time continuous relative motion of workpiece, adding Milling Process is interrupted processing, in process, there is strong wallop, these factors have caused too fast wearing and tearing of blade or breakage, particularly under the situation of roughing feed, big cutting-in, the wearing and tearing or the breakage of blade are more remarkable.Simultaneously, the linear pattern cutting edge also can cause the chip breaking effect undesirable, and this has certain impact to tool bodies, thereby influences the precision of cutter and the stability of processing.The situation that matches and process for waveform sword and waveform sword, application number is that the application for a patent for invention of 200680039885.X discloses a kind of roughly tabular cutting tip, it connects the knife-edge formula as shown in Figure 1, this blade is distributed with groove on two relative sides, these two sides and rake face intersect formation waveform cutting edge.The advantage of this blade is: the blade side grooves distributed adds and can reduce, disperse opposing man-hour carrying out big cutting-in, roughing feed, resists the cutter that shakes, and this in addition groove structure also helps the discharge of smear metal.But also there is weak point in this blade: when carrying out Milling Process, must adopt the blade of two kinds of different models, when these two kinds of blades are installed on the cutter hub, require to form between the groove of two kinds of blade waveform cutting edges complementary, this accuracy of manufacture and installation accuracy with regard to blade has all proposed to compare higher requirement, bring certain difficulty for the installation and the management of blade, increased processing cost simultaneously.In addition, because this blade has only two cutting edges to use, so the quantity of its groove can not be too many, otherwise will reduce the intensity of cutting edge greatly, and then cause cutting edge to collapse problems such as scarce.Divided edge strength will reduce greatly, thereby have cutting tip damaged such problem easily.And the advantage of this structure adds in little cutting-in and can't embody man-hour, and this has just dwindled its scope of application.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure, be convenient to make, can under the situation of big cutting-in, roughing feed, realize the Indexable insert for milling of highly-efficient processing, and be convenient to install this blade, can improve the surface of the work crudy, have the milling cutter of good and economic and the installation method of milling cutter.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of Indexable insert for milling, comprise and be the tabular blade body of polygon, described blade body is by a upper surface, lower surface and a plurality of sides that connect 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, described upper surface has rake face, each side all has back knife face and flank, described back knife face and rake face intersect, described flank and lower surface intersect, the back knife face of a side and rake face intersect formation straight line sword in the adjacent two sides, and the back knife face of another side and rake face intersect formation waveform sword.
Intersect the side that forms the waveform sword with rake face and be provided with chip dividing groove, described chip dividing groove extends to lower surface from the trough place of waveform sword.
Described 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.
Described flank is provided with the empty avoiding groove.
Described blade center hole is provided with more than two.
A kind of milling cutter, comprise cutter body, described cutter body upper edge is circumferentially with two above blade bearings, and above-mentioned Indexable insert for milling is installed on each blade bearing, and the straight line sword of the Indexable insert for milling of adorning and waveform sword distribute alternately on the adjacent knife blades seat.
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.
A kind of installation method of milling cutter, it is that above-mentioned Indexable insert for milling is installed on the above-mentioned milling cutter, and the straight line sword of adjacent Indexable insert for milling and waveform sword are distributed alternately.
Compared with prior art, the invention has the advantages that: on the blade body of Indexable insert for milling of the present invention, the back knife face of a side and rake face intersect formation straight line sword in the adjacent two sides, the back knife face of another side and rake face intersect formation waveform sword, and on blade body, form the straight line sword and the waveform sword is alternately mended interposed structure, utilize the waveform sword to disperse cutting force, alleviate the wearing and tearing of blade and cutter, simultaneously certain inhibitory action is also arranged for the cutter that shakes, utilize the straight line sword that the waveform sword is repaired at the vestige that surface of the work is processed to form, thereby in big cutting-in, the real highly-efficient processing that realizes under the situation of roughing feed, improve crudy, prolong blade service life, and the blade of being adorned on every cutter does not have the complementary requirement of waveform, therefore, every cutter only need be equipped with a kind of blade, make the storage and managenent of blade convenient, embodied the new concept that blade uses, also simplified the structure of blade simultaneously, be convenient to processing and manufacturing, reduce the installation positioning requirements of blade, reduced production cost.The side that intersect to form the waveform sword with rake face is provided with chip dividing groove, and chip dividing groove extends to lower surface from the trough place of waveform sword, and the design of this chip dividing groove helps smear metal flows out, and chip removal is functional, can effectively disperse heat in metal cutting.The side is formed by connecting by back knife face and flank, back knife face has first relief angle, flank has second relief angle, first relief angle is less than or equal to second relief angle, back knife face is used for locating with blade bearing, flank can be avoided forming too much contacting between blade and the blade bearing, thereby reduces friction between the two.Flank is provided with the empty avoiding groove, and blade may produce the distortion of outside protrusion in sintering process, and the empty avoiding groove can avoid the installation location of this distortion blade to impact.The blade center hole can be established more than two, 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 two blade center holes, two dog screws can be installed like this, bigger clamping force is provided, thereby guarantees positioning accuracy, improve the surface quality of workpiece.On the milling cutter of the present invention, be equiped with many Indexable insert for milling of the present invention, the straight line sword and the waveform sword of these Indexable insert for milling distribute alternately, such structure has improved that to exist cutting resistance when main cutting edge all is the length sword bigger than normal, cutting temperature is too high, problems such as chip-breaking performance is not ideal enough, problem, the problem includes: complementation connected the problem of error when also to have avoided simultaneously main cutting edge be the waveform sword of a pair of complementation, thereby improve the surface of the work crudy, reduce, disperse opposing, the resistance cutter that shakes, reduce the pressure of blade tool setting bar, prolong the life-span of blade and cutter, can save and use the cutter cost, have good and economic; And a blade that only needs on the cutter a kind of model is installed just can be realized the alternately complementation of process cathetus sword and waveform sword, has effectively reduced the kind of blade, for the client saves cost, and facilitates for the management of cutter and installation.The other dregs guiding groove of blade bearing is provided with smooth edge, helps the smooth and easy discharge of smear metal.The installation method of milling cutter of the present invention, be that described Indexable insert for milling is installed on the described milling cutter, the straight line sword and the waveform sword of adjacent Indexable insert for milling are distributed alternately, make this milling cutter when cutting workpiece, replace cutting workpiece with straight line sword and waveform sword, realize that straight line sword and waveform sword are alternately complementary, thereby improve the surface of the work crudy, reduce, disperse opposing, resist the cutter that shakes, reduce the pressure of blade tool setting bar, prolong the life-span of blade and cutter.
Description of drawings
Fig. 1 is the knife-edge formula that the connects schematic diagram of the blade cut sword of two kinds of models in the prior art;
Fig. 2 is the perspective view of Indexable insert for milling of the present invention;
Fig. 3 is the plan structure schematic diagram of Indexable insert for milling of the present invention;
Fig. 4 is the main TV structure schematic diagram of Indexable insert for milling of the present invention;
Fig. 5 is the knife-edge formula that the connects schematic diagram of the blade cut sword of Indexable insert for milling of the present invention;
Fig. 6 is a structural representation of offering two blade center holes on the Indexable insert for milling of the present invention;
Fig. 7 is the structural representation of the zigzag waveform sword of Indexable insert for milling of the present invention;
Fig. 8 is the structural representation of the trapezoidal waveform sword of Indexable insert for milling of the present invention;
Fig. 9 is the perspective view of milling cutter of the present invention.
Each label is represented among the figure:
1, blade body 2, upper surface
3, lower surface 4, side
5, blade center hole 6, straight line sword
7, waveform sword 8, blade bearing
9, dregs guiding groove 10, cutter body
11, housing screw 21, bearing-surface
22, rake face 41, back knife face
42, flank 43, chip dividing groove
44, empty avoiding groove 91, smooth edge
The specific embodiment
Embodiment 1: to shown in Figure 5, Indexable insert for milling of the present invention comprises being the tabular blade body of polygon 1 as Fig. 2, and blade body 1 is surrounded by a upper surface 2, a lower surface 3 and a plurality of sides 4 of connecting upper and lower surface.The center of blade body 1 is provided with the blade center hole 5 that is used to install the location.Upper surface 2 comprises bearing-surface 21 and rake face 22, rake face 22 is positioned at bearing-surface 21 peripheries, each side 4 all has back knife face 41 and flank 42, back knife face 41 intersects with rake face 22, flank 42 intersects with lower surface 3, the back knife face 41 of a side 4 intersects formation straight line sword 6 with rake face 22 in the adjacent two sides 4, the back knife face 41 of another side 4 intersects formation waveform sword 7 with rake face 22, the waveform of this waveform sword 7 is circular-arc, in addition, the waveform of waveform sword 7 also can be zigzag waveform as shown in Figure 7, can also be trapezoidal waveform as shown in Figure 8.The knife-edge formula that connects as shown in Figure 5 be can form after being installed on this blade on the blade bearing 8, waveform sword 7 and 6 complementations of straight line sword made.Intersect the side 4 that forms waveform sword 7 with rake face 22 and be provided with five chip dividing grooves 43, each chip dividing groove 43 is on the corresponding position with a trough of waveform sword 7 respectively, and extend to lower surface 3 from the trough place, the design of this chip dividing groove 43 helps smear metal and flows out, chip removal is functional, can effectively disperse heat in metal cutting.Blade body 1 is for roughly being foursquare tabular in the present embodiment, and in addition, what blade body 1 can also be for regular hexagon, octagon is tabular.Back knife face 41 has the first relief angle α, flank 42 has the second relief angle β, the first relief angle α is less than or equal to the second relief angle β, back knife face 41 is used for and blade bearing 8 location, flank 42 can be avoided forming too much contacting between blade body 1 and the blade bearing 8, thereby reduces friction between the two, in the present embodiment, the first relief angle α is 10 °, and the second relief angle β is 12 °.In the present embodiment, be provided with empty avoiding groove 44 on flank 42, blade may produce the distortion of outside protrusion in sintering process, and empty avoiding groove 44 can avoid the installation location of this distortion blade to cause harmful effect.Blade center hole 5 can be established more than one, concrete quantity can be set according to the size of cutting force, as shown in Figure 6, when this blade application during in the bigger occasion of cutting force (as the roughing of big cutting-in), can establish two blade center holes 5, two dog screws can be installed like this, bigger clamping force is provided, thereby the assurance positioning accuracy, the surface quality of raising workpiece.On the blade body 1 of Indexable insert for milling of the present invention, formed straight line sword 6 and alternately mended interposed structure with waveform sword 7, waveform sword 7 can disperse cutting force, alleviate the wearing and tearing of blade and cutter, simultaneously certain inhibitory action is also arranged for the cutter that shakes, 6 of straight line swords can be repaired at the vestige that surface of the work is processed to form waveform sword 7, thereby in big cutting-in, the real highly-efficient processing that realizes improves crudy under the situation of roughing feed, prolongs blade service life, and the waveform sword 7 of the blade of adorning is identical on every cutter, do not have the complementary requirement of waveform, therefore, every cutter only need be installed a kind of blade, make the storage and managenent of blade convenient, embody the new concept that blade uses, also simplified the structure of blade simultaneously, be convenient to processing and manufacturing, reduce the installation positioning requirements of blade, reduced production cost.
Embodiment 2: as shown in Figure 9, milling cutter of the present invention, comprise cutter body 10, cutter body 10 upper edges circumferentially equidistantly are provided with six blade bearings 8, be fixed with Indexable insert for milling among the embodiment 1 by housing screw 11 on each blade bearing 8, the straight line sword 6 of the Indexable insert for milling of adorning and waveform sword 7 distribute alternately on the adjacent knife blades seat 8, such structure has improved that to exist cutting resistance when main cutting edge all is the length sword bigger than normal, cutting temperature is too high, problems such as chip-breaking performance is not ideal enough, problem, the problem includes: complementation connects the problem of error when also having avoided simultaneously main cutting edge to be the interrupted sword of the waveform of a pair of complementation, thereby the crudy of surface of the work is improved, and reduction is arranged, the ability of disperseing opposing, the resistance cutter that shakes, reduce the pressure of blade tool setting bar 8, prolong the life-span of blade and cutter, can save and use the cutter cost, have good and economic; And a blade that only needs on the cutter a kind of model is installed just can be realized process cathetus sword 6 and alternately complementation of waveform sword 7, has effectively reduced the kind of blade, for the client saves cost, and facilitates for the management of cutter and installation.In addition, blade bearing 8 sides are provided with dregs guiding groove 9, and dregs guiding groove 9 is provided with smooth edge 91, helps the smooth and easy discharge of smear metal.The concrete structure of the blade of installing is identical with Indexable insert for milling structure among the embodiment 1 in this milling cutter, does not repeat them here.
The installation method of milling cutter of the present invention, be that the Indexable insert for milling among the embodiment 1 is installed on the milling cutter, the straight line sword 6 and the waveform sword 7 of adjacent Indexable insert for milling are distributed alternately, make this milling cutter when cutting workpiece, replace cutting workpiece with straight line sword 6 and waveform sword 7, realize that straight line sword 6 and waveform sword 7 are alternately complementary, thereby improve the surface of the work crudy, reduce, disperse opposing, the resistance cutter that shakes, reduce the pressure of blade tool setting bar, prolong the life-span of blade and cutter.
The various embodiments described above only are preferred implementations of the present invention; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from principle of the present invention; can also make some equivalents, these equivalents all should be considered as protection scope of the present invention.
Claims (8)
1. Indexable insert for milling, comprise and be the tabular blade body of polygon (1), described blade body (1) is by a upper surface (2), a plurality of sides (4) of a 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, described upper surface (2) has rake face (22), each side (4) all has back knife face (41) and flank (42), described back knife face (41) intersects with rake face (22), described flank (42) intersects with lower surface (3), it is characterized in that: the back knife face (41) of a side (4) intersects formation straight line sword (6) with rake face (22) in adjacent two sides (4), the back knife face (41) of another side (4) and the crossing waveform sword (7) that forms of rake face (22).
2. Indexable insert for milling according to claim 1, it is characterized in that: intersect the side (4) that forms waveform sword (7) with rake face (22) and be provided with chip dividing groove (43), described chip dividing groove (43) extends to lower surface (3) from the trough place of waveform sword (7).
3. Indexable insert for milling according to claim 1 and 2 is characterized in that: described back knife face (41) has first relief angle (α), and described flank (42) has second relief angle (β), and first relief angle (α) is less than or equal to second relief angle (β).
4. Indexable insert for milling according to claim 3 is characterized in that: described flank (42) is provided with empty avoiding groove (44).
5. Indexable insert for milling according to claim 4 is characterized in that: described blade center hole (5) is provided with more than two.
6. milling cutter, comprise cutter body (10), described cutter body (10) upper edge is circumferentially with two above blade bearings (8), it is characterized in that: be equipped with on each blade bearing (8) as each described Indexable insert for milling of claim 1 to 5, the straight line sword (6) of the Indexable insert for milling of adorning and waveform sword (7) distribute alternately on the adjacent knife blades seat (8).
7. milling cutter according to claim 6 is characterized in that: the other dregs guiding groove (9) that is provided with of described blade bearing (8), described dregs guiding groove (9) is provided with and is beneficial to the smooth edge (91) of discharging smear metal.
8. the installation method of a milling cutter, it is characterized in that: be that each described Indexable insert for milling of claim 1 to 5 is installed on claim 6 or the 7 described milling cutters, and the straight line sword (6) of adjacent Indexable insert for milling and waveform sword (7) are distributed alternately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910043792XA CN101602123B (en) | 2009-06-29 | 2009-06-29 | Indexable insert for milling, milling cutter and method for mounting milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910043792XA CN101602123B (en) | 2009-06-29 | 2009-06-29 | Indexable insert for milling, milling cutter and method for mounting milling cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101602123A CN101602123A (en) | 2009-12-16 |
| CN101602123B true CN101602123B (en) | 2010-10-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910043792XA Active CN101602123B (en) | 2009-06-29 | 2009-06-29 | Indexable insert for milling, milling cutter and method for mounting milling cutter |
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| CN (1) | CN101602123B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI508805B (en) * | 2014-12-23 | 2015-11-21 | Hsin Tien Chang | Discarded milling cutter |
Families Citing this family (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 |
| CN108161041B (en) * | 2018-02-10 | 2019-11-12 | 厦门金鹭特种合金有限公司 | A kind of Indexable cutting inserts for machining engineering rubber material |
| CN110052628B (en) * | 2019-05-28 | 2024-05-14 | 四川工程职业技术大学 | Titanium alloy workpiece cylindrical surface groove boring and milling blade and cutter |
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2009
- 2009-06-29 CN CN200910043792XA patent/CN101602123B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI508805B (en) * | 2014-12-23 | 2015-11-21 | Hsin Tien Chang | Discarded milling cutter |
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| Publication number | Publication date |
|---|---|
| CN101602123A (en) | 2009-12-16 |
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