CN216227151U - A square shoulder milling insert - Google Patents
A square shoulder milling insert Download PDFInfo
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- CN216227151U CN216227151U CN202122933865.1U CN202122933865U CN216227151U CN 216227151 U CN216227151 U CN 216227151U CN 202122933865 U CN202122933865 U CN 202122933865U CN 216227151 U CN216227151 U CN 216227151U
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Abstract
本实用新型涉及一种方肩铣刀片，刀具本体中心设置有安装孔，刀具本体包括相对设置的上表面和下定位面、分别与上表面的长边和下定位面的长边相连的两个主侧面以及分别与上表面的短边和下定位面的短边相连的两个副侧面，其中每个主侧面从上表面向下定位面倾斜，每个副侧面从上表面向下定位面倾斜；所述本体沿安装孔的径向横截面为平行四边形，所述平行四边形的较长对角线所对应的位于上表面的顶角处对称设置有切削单元，每个所述切削单元包括顶角长边形成的主切削刃，顶角短边形成的修光刃和副切削刃，主切削刃较高一端通过圆弧刃与顶角处的修光刃连接。其刃口部分修光刃的设置能够提高切削时刀片的耐冲击性，可实现高进给切削。
The utility model relates to a square shoulder milling insert. An installation hole is arranged in the center of the cutter body, and the cutter body comprises an upper surface and a lower positioning surface arranged oppositely, and two sides respectively connected with the long side of the upper surface and the long side of the lower positioning surface. a major side surface and two minor side surfaces respectively connected to the short side of the upper surface and the short side of the lower positioning surface, wherein each major side surface is inclined from the upper surface to the lower positioning surface, and each minor side surface is downwardly positioned from the upper surface to the positioning surface Inclined; the radial cross section of the body along the mounting hole is a parallelogram, and cutting units are symmetrically arranged at the apex corners of the upper surface corresponding to the longer diagonals of the parallelograms, and each of the cutting units includes The main cutting edge formed by the long side of the apex angle, the wiper edge and the secondary cutting edge formed by the short side of the apex angle, and the higher end of the main cutting edge is connected with the wiper edge at the apex angle through an arc edge. The setting of the wiper edge of the cutting edge can improve the impact resistance of the insert during cutting, and can realize high-feed cutting.
Description
Technical Field
The utility model relates to the technical field of milling cutters, in particular to a square shoulder milling blade.
Background
A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts the allowance of the workpiece. The milling cutter is mainly used for machining planes, steps, grooves, forming surfaces and cutting workpieces on a milling machine in an equal intermittent manner. Among them, the 90-degree blade is called as a square shoulder milling cutter, and the existing square shoulder milling cutter has poor impact resistance and is not beneficial to realizing high-feed cutting.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the utility model aims to provide a square shoulder milling insert which has good impact resistance and can realize high-feed cutting.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a square shoulder milling blade comprises a cutter body, wherein a mounting hole is formed in the center of the cutter body, the cutter body comprises an upper surface and a lower positioning surface which are oppositely arranged, two main side surfaces which are respectively connected with a long edge of the upper surface and a long edge of the lower positioning surface, and two auxiliary side surfaces which are respectively connected with a short edge of the upper surface and a short edge of the lower positioning surface, wherein each main side surface inclines from the upper surface to the lower positioning surface, and each auxiliary side surface inclines from the upper surface to the lower positioning surface; the radial cross section of the body along the mounting hole is a parallelogram, cutting units are symmetrically arranged at vertex angles on the upper surface corresponding to longer diagonal lines of the parallelogram, each cutting unit comprises a main cutting edge formed by a long edge of the vertex angle and a finishing edge and an auxiliary cutting edge formed by a short edge of the vertex angle, each finishing edge is parallel to the lower positioning surface, each auxiliary cutting edge and the lower positioning surface are obliquely arranged, and the included angle between each finishing edge and the main cutting edge is 90 degrees; each main cutting edge is obliquely arranged with the lower positioning surface, the higher end of the main cutting edge is connected with the smoothing edge at the vertex angle through the arc edge, and the lower end of the main cutting edge is connected with the auxiliary cutting edge at the other vertex angle; one end of the secondary cutting edge, which is far away from the smoothing edge, inclines towards the inner side of the cutter body.
Furthermore, two ridge lines where the main side face and the lower positioning face intersect are respectively provided with a clearance groove, each clearance groove is far away from one side of the vertex angle, each clearance groove horizontally extends from one end of the auxiliary side face to the inside of the body, and the length of each clearance groove is greater than half of the length of the main side face.
Further, the rake face of the main cutting edge is inclined toward the inside of the tool body, the rake face of the circular arc edge is inclined toward the inside of the tool body, the rake face of the wiper edge is inclined toward the inside of the tool body, and the rake face of the secondary cutting edge is inclined toward the inside of the tool body.
Further, the main side surface comprises a rear cutter surface of the main cutting edge and an inclined positioning surface, and the inclination of the rear cutter surface of the main cutting edge relative to the lower positioning surface is greater than the inclination of the inclined positioning surface relative to the lower positioning surface.
Further, the secondary side surface comprises a flank surface of the secondary cutting edge and a flank surface of the wiper edge; the back knife face of the secondary cutting edge is obliquely arranged relative to the lower positioning surface and extends to the lower positioning surface, and the back knife face of the finishing edge is obliquely arranged relative to the lower positioning surface and extends to the lower positioning surface.
Furthermore, the main side face and the auxiliary side face are provided with an outer taper face at the intersection of one side close to the vertex angle, the outer taper face comprises a rear cutter face of the arc edge and a first conical face correspondingly arranged with the rear cutter face of the arc edge, the rear cutter face of the arc edge is respectively connected with the upper side of the rear cutter face of the polishing edge and one side of the rear cutter face of the main cutting edge, the first conical face is respectively connected with the lower side of the rear cutter face of the polishing edge and one side of the inclined positioning face, and the inclination of the rear cutter face of the arc edge relative to the lower positioning face is greater than the inclination of the first conical face relative to the lower positioning face.
Further, the two main side surfaces, the two auxiliary side surfaces, the upper surface and the lower positioning surface are all provided with a PVD coating.
Further, the R angle of the circular arc edge is 0.4mm, 0.8mm or 2.0 mm.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a square shoulder milling blade, wherein a mounting hole is formed in the center of a cutter body, the cutter body comprises an upper surface and a lower positioning surface which are oppositely arranged, two main side surfaces which are respectively connected with a long edge of the upper surface and a long edge of the lower positioning surface, and two auxiliary side surfaces which are respectively connected with a short edge of the upper surface and a short edge of the lower positioning surface, wherein each main side surface inclines from the upper surface to the lower positioning surface, and each auxiliary side surface inclines from the upper surface to the lower positioning surface; the radial cross section of body along the mounting hole is parallelogram, the apex angle department symmetry that is located the upper surface that parallelogram's longer diagonal corresponds is provided with cutting unit, every cutting unit includes the main cutting edge that the long limit of apex angle formed, and the slick sword and the vice cutting edge that the apex angle minor face formed, the higher one end of main cutting edge is passed through the circular arc sword and is connected with the slick sword of apex angle department. The arrangement of the edge part of the cutter blade can improve the impact resistance of the cutter blade during cutting and realize high-feed cutting.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a schematic front view of the embodiment of the present invention;
FIG. 4 is a schematic diagram of a right-view structure of the embodiment of the present invention;
FIG. 5 is a sectional view taken along line A-A of FIG. 3;
FIG. 6 is a schematic perspective view of an embodiment of the present invention;
fig. 7 is a schematic perspective view of an embodiment of the present invention.
In the figure: 1. mounting hole, 2, upper surface, 3, lower locating surface, 4, major flank, 4.1, the back knife face of major cutting edge, 4.2, slope locating surface, 5, minor flank, 5.1, the back knife face of minor cutting edge, 5.2, the back knife face of finishing edge, 6, major cutting edge, 6.1, the rake face of major cutting edge, 7, finishing edge, 7.1, the rake face of finishing edge, 8, minor cutting edge, 8.1, the rake face of minor cutting edge 9, circular arc edge, 9.1, the rake face of circular arc edge, 10, external taper surface, 10.1, the back knife face of circular arc edge, 10.2, first conical surface, 11, clearance groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
As shown in fig. 1-5, a square shoulder milling insert comprises a cutter body, a mounting hole 1 is formed in the center of the cutter body, the cutter body comprises an upper surface 2 and a lower positioning surface 3 which are oppositely arranged, and two main side surfaces 4 which are respectively connected with the long edge of the upper surface 2 and the long edge of the lower positioning surface 3, each main side surface 4 inclines from the upper surface 2 to the lower positioning surface 3, two auxiliary side surfaces 5 which are respectively connected with the short edge of the upper surface 2 and the short edge of the lower positioning surface 3, and each auxiliary side surface 5 inclines from the upper surface 2 to the lower positioning surface 3; the radial cross section of the body along the mounting hole 1 is a parallelogram, cutting units are symmetrically arranged at vertex angles, corresponding to longer diagonal lines of the parallelogram, on the upper surface 2, each cutting unit comprises a main cutting edge 6 formed by a long edge of the vertex angle, a finishing edge 7 formed by a short edge of the vertex angle and an auxiliary cutting edge 8, each finishing edge 7 is parallel to the lower positioning surface 3, and an included angle between each finishing edge 7 and the main cutting edge 6 is 90 degrees; every minor cutting edge 8 sets up with the slope of locating surface 3 down, every main cutting edge 6 sets up with the slope of locating surface 3 down, and the higher one end of main cutting edge 6 is connected with the smoothing sword 7 of apex angle department through circular arc sword 9, and the lower one end of main cutting edge 6 is connected with the minor cutting edge 8 of another apex angle department.
The rake face 6.1 of the main cutting edge is inclined toward the inside of the tool body, the rake face 9.1 of the circular arc edge is inclined toward the inside of the tool body, the rake face 7.1 of the wiper edge is inclined toward the inside of the tool body, and the rake face 8.1 of the auxiliary cutting edge is inclined toward the inside of the tool body.
The main side surface 4 comprises a flank surface 4.1 of the main cutting edge and an inclined positioning surface 4.2, and the inclination of the flank surface 4.1 of the main cutting edge relative to the lower positioning surface 3 is greater than the inclination of the inclined positioning surface 4.2 relative to the lower positioning surface 3.
The minor side surface 5 comprises a flank surface 5.1 of the minor cutting edge and a flank surface 5.2 of the wiper edge; the flank face 5.1 of the minor cutting edge is obliquely arranged relative to the lower positioning surface 3 and extends to the lower positioning surface 3, and the flank face 5.2 of the finishing edge is obliquely arranged relative to the lower positioning surface 3 and extends to the lower positioning surface 3. The flank surface 5.1 of the minor cutting edge is a positioning surface.
The intersection of the main side surface 4 and the side of the auxiliary side surface 5 close to the vertex angle is provided with an outer taper surface 10, the outer taper surface 10 comprises a rear knife surface 10.1 of the arc edge and a first taper surface 10.2 correspondingly arranged with the rear knife surface 10.1 of the arc edge, the rear knife surface 10.1 of the arc edge is respectively connected with the upper side of the rear knife surface 5.2 of the polishing edge and one side of the rear knife surface 4.1 of the main cutting edge, the first taper surface 10.2 is respectively connected with the lower side of the rear knife surface 5.2 of the polishing edge and one side of the inclined positioning surface 4.2, and the inclination of the rear knife surface 10.1 of the arc edge relative to the lower positioning surface 3 is greater than that of the first taper surface 10.2 relative to the lower positioning surface 3.
Two intersecting crest lines of main flank 4 and lower locating surface 3 are provided with respectively and keep away empty groove 11, and every is kept away from empty groove 11 and is kept away from apex angle one side and set up, and every is kept away from empty groove 11 and extends to the inside level of body from the one end of vice flank 5, and the length of keeping away empty groove 11 is greater than the half of main flank 4 length. It should be noted that the provision of the clearance groove 11 can provide positioning accuracy in mounting the square shoulder milling cutter.
The two main side surfaces 4, the two auxiliary side surfaces 5, the upper surface 2 and the lower positioning surface 3 are all provided with a layer of PVD coating.
The square shoulder milling insert in the present embodiment belongs to a small-sized profiling square shoulder milling insert, and is suitable for 90 ° square shoulder milling and profiling. It is suitable for processing steel parts/stainless steel/cast iron/high-temperature alloy. The present embodiment is advantageous in that the design of the edge portion (i.e., the wiper edge 7) improves the impact resistance of the insert during cutting, and high feed cutting can be achieved; the PVD coating improves the high temperature and wear resistance of the blade, and high economy can be achieved through high metal removal rates even on less powerful machine tools. In addition, the R angle of the arc blade 9 in FIG. 1 is 0.4mm, which is used for finish machining; in FIG. 6, the R angle of the arc blade 9 is 0.8mm, which is a general processing; the R-angle of the rounded edge 9 in fig. 7 is 2.0mm, which can be used when fast feeding the blade in case of small cutting depth, or can be formed into a rounded corner.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a square shoulder milling cutter piece which characterized in that: the cutting tool comprises a tool body, wherein a mounting hole is formed in the center of the tool body, the tool body comprises an upper surface and a lower positioning surface which are oppositely arranged, two main side surfaces which are respectively connected with a long edge of the upper surface and a long edge of the lower positioning surface, and two auxiliary side surfaces which are respectively connected with a short edge of the upper surface and a short edge of the lower positioning surface, each main side surface inclines from the upper surface to the lower positioning surface, and each auxiliary side surface inclines from the upper surface to the lower positioning surface; the radial cross section of cutter body along the mounting hole is parallelogram, the apex angle department symmetry that is located the upper surface that parallelogram's longer diagonal corresponds is provided with cutting unit, every cutting unit includes the main cutting edge that the long limit of apex angle formed, and the polishing sword and the secondary cutting edge that the apex angle minor face formed, the higher one end of main cutting edge is passed through the circular arc sword and is connected with the polishing sword of apex angle department, and the lower one end of main cutting edge is connected with the secondary cutting edge of another apex angle department.
2. A square shoulder milling insert according to claim 1, wherein: each of the burnishing edges is arranged in parallel with the lower positioning surface, each of the secondary cutting edges is arranged in an inclined manner with the lower positioning surface, and the included angle between each burnishing edge and the main cutting edge is 90 degrees; each main cutting edge and the lower positioning surface are obliquely arranged, and one end, far away from the smoothing edge, of the auxiliary cutting edge inclines towards the inner side of the cutter body.
3. A square shoulder milling insert according to claim 1, wherein: the rake face of the main cutting edge inclines towards the inside of the cutter body, the rake face of the arc edge inclines towards the inside of the cutter body, the rake face of the finishing edge inclines towards the inside of the cutter body, and the rake face of the auxiliary cutting edge inclines towards the inside of the cutter body.
4. A square shoulder milling insert according to claim 1, wherein: the main side surface comprises a rear cutter surface of the main cutting edge and an inclined positioning surface, and the inclination of the rear cutter surface of the main cutting edge relative to the lower positioning surface is greater than the inclination of the inclined positioning surface relative to the lower positioning surface.
5. A square shoulder milling insert according to claim 1, wherein: the secondary side surface comprises a rear cutter surface of the secondary cutting edge and a rear cutter surface of the smoothing edge; the back knife face of the secondary cutting edge is obliquely arranged relative to the lower positioning surface and extends to the lower positioning surface, and the back knife face of the finishing edge is obliquely arranged relative to the lower positioning surface and extends to the lower positioning surface.
6. A square shoulder milling insert according to claim 4, wherein: the main side face and the secondary side face are close to the intersection of one side of the apex angle and are provided with outer taper surfaces, each outer taper surface comprises a rear cutter face of the arc blade and a first conical surface correspondingly arranged on the rear cutter face of the arc blade, the rear cutter face of the arc blade is respectively connected with the upper side edge of the rear cutter face of the polishing blade and one side of the rear cutter face of the main cutting blade, the first conical surfaces are respectively connected with the lower side edge of the rear cutter face of the polishing blade and one side of the inclined positioning surface, and the inclination of the rear cutter face of the arc blade relative to the lower positioning surface is greater than that of the first conical surface relative to the lower positioning surface.
7. A square shoulder milling insert according to claim 1, wherein: and the two main side surfaces, the two auxiliary side surfaces, the upper surface and the lower positioning surface are all provided with a layer of PVD coating.
8. A square shoulder milling insert according to claim 1, wherein: the R angle of the arc blade is 0.4mm, 0.8mm or 2.0 mm.
9. A square shoulder milling insert according to any one of claims 1 to 8, wherein: the main side surface and the lower positioning surface are crossed, two ridge lines are respectively provided with a clearance groove, each clearance groove is far away from one side of the vertex angle, and each clearance groove horizontally extends towards the interior of the cutter body from one end of the auxiliary side surface.
10. A square shoulder milling insert according to claim 9, wherein: the length of the clearance groove is larger than half of the length of the main side face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122933865.1U CN216227151U (en) | 2021-11-26 | 2021-11-26 | A square shoulder milling insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122933865.1U CN216227151U (en) | 2021-11-26 | 2021-11-26 | A square shoulder milling insert |
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| Publication Number | Publication Date |
|---|---|
| CN216227151U true CN216227151U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122933865.1U Active CN216227151U (en) | 2021-11-26 | 2021-11-26 | A square shoulder milling insert |
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| CN (1) | CN216227151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116408484A (en) * | 2023-03-17 | 2023-07-11 | 厦门金鹭特种合金有限公司 | An indexable milling insert and cutter |
-
2021
- 2021-11-26 CN CN202122933865.1U patent/CN216227151U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116408484A (en) * | 2023-03-17 | 2023-07-11 | 厦门金鹭特种合金有限公司 | An indexable milling insert and cutter |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A square shoulder milling cutter insert Granted publication date: 20220408 Pledgee: Bank of China Wuxi Binhu sub branch Pledgor: Wuxi Ruizhi Fangda Metal Technology Development Co.,Ltd. Registration number: Y2024980049426 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220408 Pledgee: Bank of China Wuxi Binhu sub branch Pledgor: Wuxi Ruizhi Fangda Metal Technology Development Co.,Ltd. Registration number: Y2024980049426 |