CN214349865U - Contour cutter for machining concave R on side surface and numerical control machine tool - Google Patents
Contour cutter for machining concave R on side surface and numerical control machine tool Download PDFInfo
- Publication number
- CN214349865U CN214349865U CN202023166654.1U CN202023166654U CN214349865U CN 214349865 U CN214349865 U CN 214349865U CN 202023166654 U CN202023166654 U CN 202023166654U CN 214349865 U CN214349865 U CN 214349865U
- Authority
- CN
- China
- Prior art keywords
- cutting edge
- face
- flank
- machining
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Milling Processes (AREA)
Abstract
The utility model provides a profile cutter and digit control machine tool for processing the concave R in side relates to the numerical control processing technology field, provides a can cooperate triaxial digit control machine tool in order to realize processing the concave R's in side profile cutter. This profile cutter includes the cutting part, wherein, there is the cutting edge in the circumferential direction of cutting part, on the cutting part the cutting edge equipartition sets up or on the cutting edge is not the partition and sets up, the cutting edge is the cambered surface just along the ascending circumference side of thickness direction the concave side orientation of cutting edge circumference side the center of cutting part. The utility model is used for improve the concave R characteristic machining efficiency in side, practice thrift the processing cost.
Description
Technical Field
The utility model belongs to the technical field of the numerical control machining technique and specifically relates to a profile cutter and digit control machine tool for processing the concave R in side.
Background
Milling cutters are rotary-type tools with one or more cutting edges for milling. And during milling, each blade intermittently cuts off the allowance of the workpiece in sequence. In CNC machining, a cavity of a plastic mold is a complex three-dimensional curved surface, and is difficult to be decomposed into a plurality of simple molded surfaces for machining, and profile milling machining is preferably adopted.
The profiling milling needs to use a ball cutter to perform three-axis or even multi-axis linkage multi-axis milling, has high requirements on the performance of a machine tool, has low machining efficiency because the precision of a machined profile is seriously influenced by the precision of the machine tool, and particularly needs to use a ball head cutter with the diameter less than 0.5mm for narrow parts such as ribs, corners and the like, and has high machining cost.
A large number of back-off glue position surfaces exist in plastic mould accessories, and due to the limitation of the traditional three-axis CNC machining process, only five-axis machining or special machining processes such as electric spark machining and the like can be adopted, so that the special machining process is high in machining cost and low in efficiency, and the delivery cycle of the mould is influenced.
For the narrow characteristic of the existing annular back-off profiling, the original process is usually formed by splicing two semicircular electric beating processes, the electric spark is high in cost, and due to the limitation of the electric beating splicing process, the arc back-off of the die has splicing traces at 180-degree positions, so that the finally formed product has the defect similar to a parting line.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a profile cutter and digit control machine tool for processing the concave R in side provides one kind and can cooperate the profile cutter of triaxial digit control machine tool in order to realize processing the concave R in side. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of profile cutter for processing concave R in side, including the cutting part, wherein, there is the cutting edge in the circumference direction of cutting part, on the cutting part the cutting edge equipartition sets up or on the cutting part the cutting edge is not the equipartition and sets up, the cutting edge is just for the cambered surface along the ascending circumference side of thickness direction the concave side orientation of cutting edge circumference side the center of cutting part.
Further, the section of the circumferential side surface of the cutting edge is semicircular; the thickness range of the blade part is 0.5 mm-1 mm.
Furthermore, the cutting edges on the cutting part are arranged in an unequal manner, the number of the cutting edges is even, and the cutting edges are centrosymmetric by taking the center of the cutting part as a rotation center point.
Further, the number of cutting edge is six, adjacent two contained angle between the cutting edge rake face is the contained angle between two adjacent cutting edges, follows contained angle between two adjacent cutting edges of the circumference direction of cutting part is contained angle A, contained angle B, contained angle C, contained angle A, contained angle B, contained angle C in proper order.
Further, one of the included angle a, the included angle B, and the included angle C is 60 °, one of the included angles is 55 °, and one of the included angles is 65 °.
Further, a groove structure is arranged on the free end face of the blade part and used for forming a chip containing space.
Further, the groove structure is formed on the rear tool face of each cutting edge, and the free end face of each cutting edge is in a triangular structure shape and protrudes out of the bottom face of the groove structure.
Further, the cutting edge is formed with rake face and back knife face along the direction of circumference, the rake face of cutting edge with pass through profile cutter center pin and with this the acute angle contained angle between the circumference side looks vertically reference surface of cutting edge is less than this back knife face of cutting edge with the acute angle contained angle between the reference surface, follow cutting edge center to cutting edge circumference side direction the rake face of cutting edge inclines to the direction that is close to its flank.
Further, the cutting edge is formed with a rake face and a flank face in the circumferential direction, and the cutting edge free end face is inclined in a direction close to the other end face thereof in a direction from the rake face of the cutting edge to the flank face of the cutting edge, and the other end face of the cutting edge coincides with the direction of the inclination of the cutting edge free end face.
Further, the profile cutter further comprises a neck portion, the neck portion is connected with the edge portion, and the neck portion is in smooth transition connection with the edge portion.
Furthermore, the profile cutter is of an integrated structure, and the profile cutter is made of hard alloy.
Further, the contour cutter is provided with a coating for improving the strength and the wear resistance of the cutter.
A numerical control machine tool comprises the profile cutter for machining the side concave R.
The utility model provides a profile cutter for processing concave R in side, because the circumference side of cutting edge is the cambered surface, can use profile cutter cooperation triaxial digit control machine tool, circular motion is being treated in the side of treating the machined part to cutter cooperation triaxial digit control machine tool, and the side of treating the machined part through the cutting edge mills to realize processing annular back-off in the side of treating the machined part, and the size of treating the concave R annular back-off in machined part side is guaranteed by the thickness of cutting part, and it is high to have machining efficiency, and the advantage that the processing cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of a contour cutter for machining a concave R on a side surface according to an embodiment of the present invention;
FIG. 2 is a partial enlarged view A of FIG. 1;
fig. 3 is a schematic top view of a blade according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating an unequal arrangement of blades on a blade according to an embodiment of the present invention;
fig. 5 is a schematic front view of a blade according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a contour cutter for machining a concave R on a side surface according to an embodiment of the present invention;
fig. 7 is a schematic view of a section of the circumferential side of the blade according to an embodiment of the present invention.
FIG. 1-blade; 2-a blade; 3-a rake face; 4-a groove structure; 5-a flank face; 6-neck part; 7-step; 8-a handle; 9-a first side; 10-second side.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-7, the utility model provides a profile cutter for processing concave R in side, including cutting portion 1, wherein, there is cutting edge 2 in the circumferential direction of cutting portion 1, and cutting edge 2 on cutting portion 1 is equant to be set up or cutting edge 2 on cutting portion 1 is not equant to be set up, and when cutting edge 2 is not equant to be set up, should guarantee to do not equant on the basis of cutter dynamic balance performance and set up, cutting edge 2 is cambered surface and the concave side of cutting edge 2 circumference side towards the center of cutting portion 1 along the ascending circumference side in thickness direction. The utility model provides a profile cutter, because the circumference side of cutting edge 2 is the cambered surface, can use profile cutter cooperation triaxial digit control machine tool, circular motion is being done in the side of treating the machined part to cutter cooperation triaxial digit control machine tool, the side of treating the machined part through cutting edge 2 mills, with the realization at the side processing annular back-off of treating the machined part, treat the size of the concave R annular back-off in machined part side and guarantee by the thickness of cutting part 1, for example, the thickness of cutting part 1 can be about 0.74mm, realize the processing to narrow concave R back-off structure. The method has the advantages of high processing efficiency of the concave R characteristic of the side surface and low processing cost.
As an alternative embodiment of the present invention, referring to fig. 7, the section of the circumferential side of the blade 2 is semicircular; and the thickness range of the blade part 1 is 0.5 mm-1 mm. Referring to fig. 7, a line diagram of the cutting edge 2 is illustrated after a section view of the circumferential side surface, the circumferential side surface of the cutting edge 2 is semicircular for realizing the concave R feature of the processing side surface, and the radius may be R0.37 (mm). In addition, it is noted that, in order to improve the strength of the tool, referring to fig. 3, the circumferential side surface of the cutting edge 2 has a certain slope in the direction from the rake face 3 to the flank face 5.
As the embodiment of the utility model provides an optional embodiment, the cutting edge 2 on the cutting part 1 is not set up and the number of cutting edge 2 is the even number, and cutting edge 2 uses the center of cutting part 1 to be central symmetry as the center of rotation. The anti-seismic performance of the cutter can be improved, and the dynamic balance performance of the cutter is ensured.
As an optional implementation manner of the embodiment of the present invention, the specific situation of the blade 2 on the blade 1 may be as follows: the number of cutting edge 2 is six, and the contained angle between two adjacent cutting edge 2 rake face 3 is the contained angle between two adjacent cutting edges, and the contained angle between two adjacent cutting edges along the circumference direction of cutting part 1 is contained angle A, contained angle B, contained angle C, contained angle A, contained angle B, contained angle C in proper order. One of the angles a, B and C is 60 °, one is 55 °, one is 65 °, see fig. 4, and the angles a, B and C may be 60 °, 55 ° and 65 °, respectively. Of course, the angle values of the included angle a, the included angle B, and the included angle C are not limited to the above-mentioned angle values, and may be other reasonable values.
As the embodiment of the present invention can be optionally implemented, a groove structure 4 is provided on the free end surface of the blade portion 1 for forming a chip containing space. Referring to fig. 6, a groove structure 4 is schematically formed on the free end surface of the blade portion 1 to prevent metal chips generated by machining from being squeezed between the tool and the workpiece to generate friction on the workpiece.
Referring to fig. 6, the groove structure 4 is illustrated in detail, the groove structure 4 opens onto the flank 5 of each cutting edge 2, and the free end surface of each cutting edge 2 is triangular and protrudes beyond the bottom surface of the groove structure 4. Referring to fig. 6, the groove structure 4 is enlarged as much as possible to increase the cutting space while satisfying the strength of the tool.
As the embodiment of the utility model provides an optional implementation mode, cutting edge 2 is formed with rake face 3 and flank face 5 along the circumferential direction, and the rake face 3 of cutting edge 2 is less than the acute angle contained angle between flank face 5 of this cutting edge 2 and the above-mentioned reference surface with the acute angle contained angle between the reference surface through profile cutter center pin and with this cutting edge 2's circumference side looks vertically, and rake face 3 to being close to its flank face 5 of cutting edge 2 circumference side direction cutting edge 2 along cutting part 1 center inclines. Referring to fig. 3, illustrating the rake face 3 and the flank face 5 of the cutting edge 2, in order to enhance the strength of the tool, the rake face 3 of the cutting edge 2 is inclined toward the flank face 5 in the direction from the center of the cutting edge portion 1 to the circumferential side face of the cutting edge 2, and the inclination angle may be 3 °, of course, the inclination angle may be other angle values.
As the embodiment of the present invention can be optionally implemented, the cutting edge 2 is formed with a rake face 3 and a flank face 5 along the circumferential direction, and along the direction from the rake face 3 of the cutting edge 2 to the flank face 5 of the cutting edge 2, the free end face of the cutting edge 2 inclines to the direction close to the other end face thereof, and the other end face of the cutting edge 2 is consistent with the oblique direction of the free end face of the cutting edge 2. Referring to fig. 5, a front view of the blade 1 is illustrated. Taking one of the cutting edges 2 in fig. 5 as an example, the free end surface of the cutting edge 2 is inclined toward the other end surface thereof in the direction from the rake surface 3 of the cutting edge 2 to the flank surface 5 of the cutting edge 2, as shown in the first surface 9; the other end face of the cutting edge 2 coincides with the bevel of the free end face of the cutting edge 2, see the second face 10, for ensuring that the flank face 5 of the tool does not rub against the workpiece surface.
As the embodiment of the present invention can be optionally implemented, the contour cutter further comprises a neck portion 6, the neck portion 6 is connected to the edge portion 1, and the neck portion 6 is connected to the edge portion 1 in a smooth transition manner. Referring to fig. 7, R0.05(mm) in the figure is a cross-sectional view showing a smooth transition surface between the neck portion 6 and the blade portion 1. The neck part 6 is smoothly and transitionally connected with the blade part 1 for prolonging the service life of the cutter.
As the embodiment of the utility model provides an optional implementation mode, profile cutter structure as an organic whole, and the material of profile cutter is carbide. Referring to fig. 1 and 6, a profile tool is illustrated. The contour cutter comprises a blade part 1, a neck part 6 and a handle part 8, wherein one end of the handle part 8 close to the neck part 6 is provided with a step 7. The profile cutter is of an integrated structure, namely a rod-shaped structure made of hard alloy can be adopted to realize the forming of the profile cutter through cutting and other processing, and the strength of the cutter is ensured. For the diameter of the shank 8, it may be 6 mm; the maximum diameter of the blade 1 may be 4 mm.
As the embodiment of the utility model provides an optional implementation mode, be provided with the coating that is used for improving cutter intensity and wearability on the profile cutter. In order to ensure the strength of the profile cutter, the strength, the wear resistance, the high temperature resistance and other characteristics of the cutter are improved by carrying out a passivation process and a cutter coating process on the cutter. The coating on the contour cutter can be a TiC coating with the thickness of 0.003 mm-0.004 mm, so that the abrasion of the cutter is reduced, the service life of the cutter is prolonged, and the purpose of high cutting is achieved. In addition, the edge part 1 of the cutter is ground by a grinding wheel with a D5 ultra-fine polishing grade, so that the smoothness of the surface of the cutter is ensured.
The utility model provides a numerical control machine tool, include the utility model provides a profile cutter for processing the concave R in side. The side face of the workpiece to be machined is milled by the circular motion of the cutting edge 2 on the side face of the workpiece to be machined, so that the annular back-off is machined on the side face of the workpiece to be machined. The hardness of the profile cutter after heat treatment reaches more than HRC60, and the cutter feeding mode and the cutter withdrawing mode adopt a horizontal arc mode to feed in the machining process, so that the profile cutter can uniformly cut in to avoid edge breakage.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (13)
1. A profile tool for machining a flank recess R, characterized in that it comprises a blade (1), wherein,
there are cutting edge (2) on the direction of circumference of cutting part (1), on cutting part (1) cutting edge (2) partition sets up or on cutting part (1) cutting edge (2) partition sets up not, cutting edge (2) are the cambered surface just along ascending circumference side of thickness direction the concave side orientation of cutting edge (2) circumference side the center of cutting part (1).
2. The contour tool for machining side recesses R according to claim 1, characterized in that the section of the circumferential side of the cutting edge (2) is semicircular; and the thickness range of the blade part (1) is 0.5 mm-1 mm.
3. The profile tool for machining a flank concavity R according to claim 1, characterized in that the cutting edges (2) on the blade portion (1) are not equally spaced and the number of the cutting edges (2) is an even number, and the cutting edges (2) are centrosymmetric with the center of the blade portion (1) as a rotational center point.
4. The profile tool for machining the side concave R according to claim 1, wherein the number of the cutting edges (2) is six, the included angle between the rake surfaces (3) of two adjacent cutting edges (2) is the included angle between two adjacent cutting edges, and the included angles between two adjacent cutting edges along the circumferential direction of the cutting edge part (1) are sequentially the included angle A, the included angle B, the included angle C, the included angle A, the included angle B and the included angle C.
5. The contour cutter for machining a flank concavity R according to claim 4, characterized in that one of said included angle a, said included angle B and said included angle C is 60 °, one of them is 55 °, and one of them is 65 °.
6. The contour tool for machining a flank recess R according to claim 1, characterized in that a groove structure (4) is provided on the free end face of the edge portion (1) for forming a chip-containing space.
7. The profile tool for machining a flank recess R according to claim 6, characterized in that the groove structure (4) opens onto the flank face (5) of each cutting edge (2), the free end of each cutting edge (2) being in the form of a triangular structure and protruding beyond the bottom face of the groove structure (4).
8. The contour tool for machining a flank concavity R according to claim 1, characterized in that the cutting edge (2) is formed with a rake face (3) and a flank face (5) in a circumferential direction, an acute angle included angle between the rake face (3) of the cutting edge (2) and a reference plane passing through the contour tool center axis and perpendicular to a circumferential side face of the cutting edge (2) is smaller than an acute angle included angle between the flank face (5) of the cutting edge (2) and the reference plane, and the rake face (3) of the cutting edge (2) is inclined in a direction approaching the flank face (5) thereof in a direction from the edge portion (1) center to the circumferential side face of the cutting edge (2).
9. The profile tool for machining a flank concavity R according to claim 1, characterized in that the cutting edge (2) is formed with a rake face (3) and a flank face (5) in a circumferential direction, the cutting edge (2) free end face is inclined in a direction approaching the other end face thereof in a direction from the rake face (3) of the cutting edge (2) to the flank face (5) of the cutting edge (2), and the other end face of the cutting edge (2) coincides with a tangential direction of the cutting edge (2) free end face.
10. The profile tool for machining a flank indentation R according to claim 1, characterized in that the profile tool further comprises a neck (6), the neck (6) being connected with the blade (1), the neck (6) being in a rounded transition connection with the blade (1).
11. The contour cutter for machining a flank recess R according to claim 1, characterized in that the contour cutter is of a one-piece construction and the material of the contour cutter is cemented carbide.
12. The contour tool for machining a flank recess R according to claim 1, characterized in that the contour tool is provided with a coating for increasing tool strength and wear resistance.
13. A numerically controlled machine tool comprising a profile tool for machining a flank recess R according to any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023166654.1U CN214349865U (en) | 2020-12-24 | 2020-12-24 | Contour cutter for machining concave R on side surface and numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023166654.1U CN214349865U (en) | 2020-12-24 | 2020-12-24 | Contour cutter for machining concave R on side surface and numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214349865U true CN214349865U (en) | 2021-10-08 |
Family
ID=77988172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023166654.1U Active CN214349865U (en) | 2020-12-24 | 2020-12-24 | Contour cutter for machining concave R on side surface and numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214349865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211027A (en) * | 2021-12-08 | 2022-03-22 | 江西昌兴航空装备股份有限公司 | Triaxial machining device and method for negative angle of mold back-off |
-
2020
- 2020-12-24 CN CN202023166654.1U patent/CN214349865U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211027A (en) * | 2021-12-08 | 2022-03-22 | 江西昌兴航空装备股份有限公司 | Triaxial machining device and method for negative angle of mold back-off |
| CN114211027B (en) * | 2021-12-08 | 2024-02-20 | 江西昌兴航空装备股份有限公司 | Triaxial machining device and method for mold back-off negative angle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH05263107A (en) | Cutting insert and its manufacture | |
| CN206981843U (en) | A kind of arc cutter | |
| CN214349865U (en) | Contour cutter for machining concave R on side surface and numerical control machine tool | |
| CN212329788U (en) | PCD wire drawing milling cutter | |
| CN207239251U (en) | A kind of slotting cutter of processing high-hardness material | |
| CN207479687U (en) | A kind of PCD molding counterbits of spherical lead | |
| CN206253707U (en) | Become spiral forming milling cutter | |
| CN207077002U (en) | Cutter with chip pocket structure | |
| CN107414159A (en) | A kind of slotting cutter of processing high-hardness material | |
| CN210099791U (en) | Hard alloy cutting tool special for processing ceramic materials | |
| CN209334796U (en) | A kind of high abrasion ball end mill | |
| JP3904701B2 (en) | Milling tools for edge rounding of machine parts | |
| CN103042259A (en) | Inner-cooling stepped drill | |
| CN206326143U (en) | A kind of handle of a knife for improving lathe tool blade utilization ratio | |
| CN212945666U (en) | High-efficiency forming cutter meeting surface tension requirement | |
| CN209792709U (en) | High-speed high-hardness die ball end milling cutter | |
| CN108044161B (en) | Single-edge forming milling cutter | |
| CN204770741U (en) | But transposition turning blade | |
| CN110421202A (en) | A kind of cutting tool and its cutter head structure | |
| CN206383254U (en) | A kind of cemented carbide spiral mill | |
| JPH08141816A (en) | Graphite machining ball end mill | |
| CN206999334U (en) | A kind of four sword ball knives for graphite Machining of Curved Surface | |
| CN206122776U (en) | Three swords sword for aluminium | |
| CN214769215U (en) | CBN hard ball finishing cutter with S-shaped cutting edge design | |
| CN215468160U (en) | Rotatory type finding high efficiency production cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |