CN208976933U

CN208976933U - A kind of milling cutter of end face indent

Info

Publication number: CN208976933U
Application number: CN201821898834.9U
Authority: CN
Inventors: 赵勇
Original assignee: HUNAN TIAN-YI-TECH MATERIAL MANUFACTURING Co Ltd
Current assignee: HUNAN TIAN-YI-TECH MATERIAL MANUFACTURING Co Ltd
Priority date: 2018-11-19
Filing date: 2018-11-19
Publication date: 2019-06-14
Anticipated expiration: 2028-11-19

Abstract

The utility model provides a kind of milling cutter of end face indent, including integrally formed knife handle and cutter head；The cylindrical surface of cutter head is equipped with circumferential cutting edge；The end face of cutter head is equipped with face cutting edge；Face cutting edge includes the inner edge section and outside section being connected；Cylindrical surface of the outside section perpendicular to cutter head (the i.e. centripetal angle of wedge is 0 °)；Inner edge section and outside section have 2.5 ° -3.5 ° of the centripetal angle of wedge；A kind of milling cutter of end face indent provided by the utility model, by being equipped with inner edge section and outside section, and outside section, perpendicular to the cylindrical surface of cutter head, inner edge section has 2.5 ° -3.5 ° of the centripetal angle of wedge with outside section, so that face cutting edge intensity is higher, effectively delay the abrasion of point of a knife；Secondly, to effectively improve the precision and surface smoothness of machined surface, eliminating subsequent finishing step so that milling cutter has the function of good workpiece machined surface smoothing by being equipped with outside section, reducing production cost.

Description

A kind of milling cutter of end face indent

Technical field

The utility model relates to cutting tool field, in particular to a kind of milling cutter of end face indent.

Background technique

In machining, corresponding cutting tool should be selected according to the characteristics of processing part；In processing cutting thin-walled, surpass When thin-walled parts, for the cutting force for reducing cutter and cutting parts, the endface Ying Xuanyong has the milling cutter of concave inward structure；On the market Existing end face has the milling cutter corner wear excessive velocities when in use of concave inward structure, is easy to produce tipping phenomenon, uses the longevity It orders shorter；And the work piece surface by milling cutter processing cutting is still more coarse, exists be uneven on a microscopic level Lapping defect.

Utility model content

To solve the problems, such as that above-mentioned background technique is mentioned, the utility model provides a kind of milling cutter of end face indent, including Knife handle and cutter head；The cylindrical surface of the cutter head is equipped with circumferential cutting edge；The end face of the cutter head is equipped with face cutting edge；

The face cutting edge includes the inner edge section and outside section being connected；It is cut with the circumference one end of the outside section Sword is cut to be connected；Cylindrical surface of the outside section perpendicular to the cutter head (the i.e. centripetal angle of wedge is 0 °)；The inner edge section is located at institute It states between outside section and the end face center of the cutter head；The inner edge section and the outside section have 2.5 ° -3.5 ° of centripetal wedge Angle.

Further, the length of the outside section is 0.2mm-0.5mm.

Further, the flank of the circumferential cutting edge is equipped with the first wiper edges band；The first wiper edges band Width is 0.03mm-0.05mm；The relief angles of the first wiper edges band are 1 ° -3 °.

Further, the flank of the circumferential cutting edge includes the first circumference flank and the second circumference flank；Institute The relief angles for stating the first circumference flank are 8 ° -15 °；The relief angles of the second circumference flank are 20 ° -25 °.

Further, the flank of the face cutting edge includes first end face flank and second end face flank；Institute The relief angles for stating first end face flank are 8 ° -12 °；The relief angles of the second end face flank are 18 ° -22 °.

Further, the milling cutter of the end face indent is made of hard alloy or cermet.

The milling cutter of a kind of end face indent provided by the utility model, by being equipped with the inner edge being connected on face cutting edge Section and outside section, and outside section is perpendicular to the cylindrical surface (the i.e. centripetal angle of wedge be 0 °) of cutter head, inner edge section and outside section have 2.5 °- 3.5 ° of the centripetal angle of wedge effectively delays the abrasion of point of a knife so that face cutting edge intensity is higher, extends the service life of milling cutter； Secondly, by being equipped with the outside section vertical with cutter head cylindrical surface, so that milling cutter has the function of good workpiece machined surface smoothing Can, to effectively improve the precision and surface smoothness of workpiece machined surface, subsequent finishing step is eliminated, is reduced Production cost.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of structural schematic diagram of the milling cutter of end face indent provided by the utility model；

Fig. 2 is the enlarged diagram in the portion A in Fig. 1；

Fig. 3 is a kind of structural schematic diagram of the milling cutter tip of end face indent；

Fig. 4 is a kind of milling cutter half section structure diagram of end face indent；

Fig. 5 is the enlarged diagram in the portion B in Fig. 4；

Fig. 6 is the structural schematic diagram of circumferential cutting edge F-F section in Fig. 1；

Fig. 7 is the enlarged diagram in the portion C in Fig. 6.

Appended drawing reference:

10 knife handle, 20 cutter head, 30 circumferential cutting edge

31 first wiper edges band, 32 first circumference flank, 33 second circumference flank

40 face cutting edge, 41 inner edge section, 42 outside section

43 first end face flank, 44 second end face flank

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or Imply relative importance.

As Figure 1 and Figure 4, the utility model embodiment provides a kind of milling cutter of end face indent, including knife handle 10 and knife First 20；The cylindrical surface of the cutter head 20 is equipped with circumferential cutting edge 30；The end face of the cutter head 20 is equipped with face cutting edge 40；

The face cutting edge 40 includes the inner edge section 41 and outside section 42 being connected；One end of the outside section 42 and institute Circumferential cutting edge 30 is stated to be connected；Cylindrical surface of the outside section 42 perpendicular to the cutter head 20 (the i.e. centripetal angle of wedge is 0 °)；Institute Inner edge section 41 is stated between the outside section 42 and the end face center of the cutter head 20；The inner edge section 41 and the outside section 42 have 2.5 ° -3.5 ° of the centripetal angle of wedge.

When it is implemented, shown in as shown in Figure 1, Figure 3 and Figure 4, the milling cutter of end face indent provided by the embodiment of the utility model, packet Include integrally formed knife handle 10 and cutter head 20；The cylindrical surface of cutter head 20 is equipped with four spiral circumferential cutting edges 30, circle The helix angle of all cutting edges 30 is 0 ° -20 °；Spiral chip space, row are equipped between adjacent circumferential cutting edge 30 Consider the surface polishing treatment of slot to be worth doing；The end face of cutter head 20 is equipped with four face cutting edges 40 being connected with circumferential cutting edge 30；Often Face cutting edge 40 includes the inner edge section 41 and outside section 42 being connected；One end of outside section 42 and 30 phase of circumferential cutting edge Connection, and outside section 42 is perpendicular to the cylindrical surface of cutter head 20；The angle of plane where face cutting edge 40 and 20 end face of cutter head For the centripetal angle of wedge；The centripetal angle of wedge where outside section 42 and 20 end face of cutter head between horizontal plane is 0 °；Inner edge section 41 is located at outside Between section 42 and the end face center of cutter head 20；Inner edge section 41 is tilted close to one end of end face center to 10 direction of knife handle, inner edge section 41 have 2.5 ° -3.5 ° of the centripetal angle of wedge with outside section 42；Preferably, the centripetal wedge of the present embodiment inner edge section 41 and outside section 42 Angle is 3 °.

The milling cutter of end face indent provided by the utility model, in actual use, by face cutting edge 40 be equipped with The outside section 42 that circumferential cutting edge 30 is connected, and outside section 42 is perpendicular to the cylindrical surface of cutter head 20, to avoid building up by welding Sword 40 and circumferential cutting edge 30 are crossed to form the point of a knife being excessively sharp, so that milling cutter is not easy tipping during machining； Minute protrusions of the outside section 42 in cutting process on extrusion process surface simultaneously, thus keep finished surface very smooth, Improve machining accuracy；Inner edge section 41 and outside section 42 have 2.5 ° -3.5 ° of the centripetal angle of wedge, in this centripetal angle of wedge range Interior, milling cutter can guarantee that face cutting edge 40 has sufficient intensity, while effectively reduce to milling cutter and workpiece cutting parts Cutting force extends the service life of milling cutter；Preferably, the centripetal angle of wedge of the present embodiment inner edge section 41 and outside section 42 is 3 °, this When the cutting force that is subject to of milling cutter cutting workpiece it is minimum and milling cutter face cutting edge 40 has enough intensity again.

Preferably, the length of the outside section 42 is 0.2mm-0.5mm.

When it is implemented, as shown in figure 5, the length of outside section 42 is 0.2mm-0.5mm；Preferably, the present embodiment is outer 42 length of sword section is 0.3mm.

Preferably, the flank of the circumferential cutting edge 30 is equipped with the first wiper edges band 31；The first wiper edges band 31 width is 0.03mm-0.05mm；The relief angles of the first wiper edges band 31 are 1 ° -3 °.

Preferably, the flank of the circumferential cutting edge 30 includes the first circumference flank 32 and the second circumference flank 33；The relief angles of the first circumference flank 32 are 8 ° -15 °；The relief angles of the second circumference flank 33 are 20°-25°。

When it is implemented, as shown in Figure 6, Figure 7, the flank of circumferential cutting edge 30 includes the first circumference flank 32 and the Two circumference flanks 33；First circumference flank 32 is equipped with the first wiper edges band 31；The width of first wiper edges band 31 is 0.03mm-0.05mm, the relief angles of the first wiper edges band 31 are 1 ° -3 °；First wiper edges band 31 squeezes in process Minute protrusions on finished surface improve machining accuracy, while the first wiper edges band 31 to keep finished surface very smooth The intensity that circumferential cutting edge 30 can be increased, delays cutter wear；The relief angles of first circumference flank 32 are 8 ° -15 °；The The relief angles of two circumference flanks 33 are 20 ° -25 °.

Preferably, the flank of the face cutting edge 40 includes first end face flank 43 and second end face flank 44；The relief angles of the first end face flank 43 are 8 ° -12 °；The relief angles of the second end face flank 44 are 18°-22°。

When it is implemented, as shown in Figure 1 and Figure 2, the flank of face cutting edge 40 includes first end face flank 43 and the Biend flank 44；The relief angles of first end face flank 43 are 8 ° -12 °, the relief angles of second end face flank 44 Be 18 ° -22 °, the relief angle of first end face flank 43 and second end face flank 44 within the above range when, milling cutter have it is higher Intensity.

Preferably, the milling cutter of the end face indent is made of hard alloy or cermet.

When it is implemented, the milling cutter of end face indent is made of hard alloy or cermet, so that milling cutter is with higher Hardness and better wearability improve stock-removing efficiency and considerably increase the service life of milling cutter.

Although herein it is more used such as inner edge section, outside section, the first wiper edges band, the first circumference flank and The terms such as first end face flank, but it does not exclude the possibility of using other terms.The use of these items is only for more Easily describe and explain the essence of the utility model；It is practical new with this for being construed as any additional limitation all Type spirit is disagreed.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims

1. a kind of milling cutter of end face indent, including knife handle (10) and cutter head (20)；The cylindrical surface of the cutter head (20) is equipped with circle All cutting edges (30)；The end face of the cutter head (20) is equipped with face cutting edge (40)；It is characterized by:

The face cutting edge (40) includes the inner edge section (41) and outside section (42) being connected；One end of the outside section (42) It is connected with the circumferential cutting edge (30)；Cylindrical surface of the outside section (42) perpendicular to the cutter head (20)；The inner edge Section (41) is between the outside section (42) and the end face center of the cutter head (20)；The inner edge section (41) and the outside Section (42) has 2.5 ° -3.5 ° of the centripetal angle of wedge.

2. a kind of milling cutter of end face indent according to claim 1, it is characterised in that: the length of the outside section (42) is 0.2mm-0.5mm。

3. a kind of milling cutter of end face indent according to claim 1, it is characterised in that: after the circumferential cutting edge (30) Knife face is equipped with the first wiper edges band (31)；The width of the first wiper edges band (31) is 0.03mm-0.05mm；Described first The relief angles of wiper edges band (31) are 1 ° -3 °.

4. a kind of milling cutter of end face indent according to claim 1, it is characterised in that: after the circumferential cutting edge (30) Knife face includes the first circumference flank (32) and the second circumference flank (33)；The relief angle angle of the first circumference flank (32) Degree is 8 ° -15 °；The relief angles of the second circumference flank (33) are 20 ° -25 °.

5. a kind of milling cutter of end face indent according to claim 1, it is characterised in that: after the face cutting edge (40) Knife face includes first end face flank (43) and second end face flank (44)；The relief angle angle of the first end face flank (43) Degree is 8 ° -12 °；The relief angles of the second end face flank (44) are 18 ° -22 °.

6. a kind of milling cutter of end face indent according to claim 1, it is characterised in that: the milling cutter of the end face indent is by hard Matter alloy or cermet are made.