CN218460886U - Machining cutter capable of stably controlling roughness - Google Patents
Machining cutter capable of stably controlling roughness Download PDFInfo
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- CN218460886U CN218460886U CN202222513019.9U CN202222513019U CN218460886U CN 218460886 U CN218460886 U CN 218460886U CN 202222513019 U CN202222513019 U CN 202222513019U CN 218460886 U CN218460886 U CN 218460886U
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Abstract
The utility model discloses a machining cutter of stable control roughness, include: the cutter bar is cylindrical; at least two bottom edges are arranged and distributed at intervals along the circumferential direction of the cutter bar; the cutting edge is connected with the bottom edge and protrudes out of the cutter bar; the destroying blade is connected with the bottom blade and protrudes out of the cutter bar; the breaking edge has a cutting width smaller than that of the cutting edge, and a front end of the breaking edge and a front end of the cutting edge protrude at different heights. The utility model discloses a set up the cutting edge of outstanding difference in height and destroy the sword, stagger the cutting edge with the sword way of destroying the sword, avoid the sword way to overlap, improve the roughness stability of the machined surface of processing out.
Description
Technical Field
The utility model relates to a machining cutter technical field, concretely relates to machining cutter of stable control roughness.
Background
In the field of machining, the existing machining tool mainly involves in cutting by the circular arc of the tool tip in the machining process, so that the roughness of the overlapped region of tool paths is small and unstable, and the roughness stability of the machined surface is poor.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses the technical problem that will solve lies in overcoming the defect among the prior art, through the repetition test, and the neotype cutter project organization of final definite destroys sword and cutting edge through setting up, avoids the defect that the tool path overlaps for the roughness of the machined surface that processes is stable.
In order to solve the technical problem, the utility model provides a machining cutter of stable control roughness, include:
the cutter bar is cylindrical;
at least two bottom blades are arranged and distributed at intervals along the circumferential direction of the cutter bar;
the cutting edge is connected with the bottom edge and protrudes out of the cutter bar;
the destroying blade is connected with the bottom blade and protrudes out of the cutter bar; the breaking edge has a cutting width smaller than that of the cutting edge, and a front end of the breaking edge and a front end of the cutting edge protrude at different heights.
As a preferable mode of the present invention, the number of the bottom blades is an even number.
As a preferred mode of the present invention, the bottom blades are equidistantly distributed.
As a preferable mode of the present invention, the breaking blade is opposed to the front end of the cutting blade.
As an optimized mode of the utility model, the cutting edge, the destruction sword along radially outstanding in the cutter arbor height equals.
As a preferable mode of the present invention, the front end of the destruction blade is provided with a protruding destruction tooth.
As a preferable mode of the present invention, the front end of the destruction tooth is protruded from the front end of the destruction blade.
As a preferable mode of the present invention, the widths of both sides of the destruction teeth are different.
As a preferable mode of the present invention, the front end of the cutting edge is provided with a cutting tooth, and the end face of the breaking tooth is opposite to the front end of the cutting tooth.
As a preferable mode of the present invention, the widths of both sides of the cutting teeth are different.
Compared with the prior art, the technical scheme of the utility model have following advantage:
a machining cutter of stable control roughness, through setting up the cutting edge of outstanding difference in height and destroying the sword, stagger the cutting edge with the sword way of destroying the sword, avoid the sword way to overlap, improve the roughness stability of the machined surface that processes out.
Drawings
In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings.
Fig. 1 is a schematic view of a machining tool for stably controlling roughness according to the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a side view of the machining tool for controlling roughness stably according to the present invention.
Fig. 4 is an enlarged schematic view of a portion B in fig. 3.
Fig. 5 is a schematic end view of the machining tool for stably controlling roughness of the present invention.
The specification reference numbers indicate: 1. a cutter bar; 2. a bottom edge; 3. a cutting edge; 31. cutting teeth; 4. breaking the blade; 41. breaking the teeth.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "second" or "first" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features, or indirectly contacting the first and second features through intervening media. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements does not include a limitation to the listed steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1 to 5, an embodiment of a machining tool for stably controlling roughness of the present invention includes:
the cutter bar 1 is cylindrical. The front end of the cutter bar 1 is a cutting part and a handle part at the rear end. The cutting part is provided with a blade for cutting. The tool is mounted with the apparatus via the shank. The diameter of the cutting portion may be smaller than the diameter of the shank portion.
At least two bottom edges 2 are arranged and distributed at intervals along the circumferential direction of the cutter bar 1. The end edge 2 is formed in the cutting portion. The bottom blades 2 are provided in an even number, preferably two, and are distributed at intervals along the circumferential direction of the cutting part, and preferably, the bottom blades 2 are distributed at equal intervals, that is, distributed in an annular array around the center point of the cross section of the cutting part.
And a cutting edge 3 connected to the bottom edge 2 and protruding from the tool holder 1. The cutting edge 3 may be made of a material different from that of the end edge 2. The cutting edge 3 is used for flat cutting, and the front end and the side surface of the cutting edge 3 protrude from the cutting part of the cutter bar 1.
And a breaking blade 4 connected to the bottom blade 2 and protruding from the tool holder 1. The breaking edge 4 has a cutting width smaller than that of the cutting edge 3. The destroying blade 4 is used for processing reticulate patterns, the front end and the side surface of the destroying blade 4 protrude out of the cutting part of the cutter bar 1, and the cutting edge 3 and the destroying blade 4 radially protrude out of the cutter bar 1 by the same height. However, the cutting edge 3 and the breaking edge 4 have different cutting paths because the front end of the breaking edge 4 and the front end of the cutting edge 3 protrude at different heights.
As shown in fig. 1 to 5, the breaking edge 4 protrudes from the tip of the cutting edge 3, and preferably, the height of the breaking edge 4 protruding from the cutting edge 3 is 0.01mm to 0.1mm, and more preferably 0.05mm.
The front end of the destroying blade 4 is provided with a protruding destroying tooth 41, and the destroying tooth 41 and the destroying blade 4 are made of the same material and are integrally formed. The breaking tooth 41 projects toward the front end of the tool, and the breaking tooth 41 is used for cutting a workpiece.
The front end of the breaking tooth 41 protrudes relative to the front end of the breaking blade 4, and the widths of the two sides of the breaking tooth 41 are different to form a blade shape, so that the cutter can conveniently cut. The cross section of the breaking tooth 41 is arc-shaped, and when the cutter rotates for cutting, the breaking edge 4 can cut and form a reticulate pattern on the surface of the workpiece.
The front end of the cutting edge 3 is provided with a cutting tooth 31, and the cutting tooth 31 and the destroying edge 4 are made of the same material and are integrally formed.
The end face of the breaking tooth 41 protrudes relative to the front end of the cutting tooth 31, so that the breaking tooth 41 and the cutting tooth 31 have different tool paths, and the stability of the cutting roughness of the cutter is ensured. The height of the breaking tooth 41 protruding from the cutting tooth 31 is 0.01mm to 0.1mm, preferably 0.05mm.
The widths of the two sides of the cutting tooth 31 are unequal to form a blade shape, so that the cutter can conveniently realize cutting. The cross section of the cutting tooth 31 is arc-shaped, and when the cutter rotates for cutting, the cutting tooth 31 can cut on the surface of a workpiece to form a plane. The width of the cutting tooth 31 is greater than that of the breaking tooth 41, so that the cutting width of the cutting edge 3 is greater than that of the breaking edge 4, the cutting tooth 31 can form a plane on the surface of the workpiece, and the breaking edge 4 can form a reticulate pattern on the surface of the workpiece.
The feed of the tool can be set according to the value of the tool and the required roughness of the workpiece.
Calculating according to the initial processing parameters and the roughness value after processing, for example: the rotating speed S =8000rpm, the feed per revolution fn =0.2mm/r, and the roughness after processing Ra3.0. If a machined surface of Ra4.0 is desired, the feed per revolution calculation at this time is: fn1= [ 4-3)/3 +1 ] 0.2=0.27mm/r.
Wherein, the initial processing parameters need to be selected according to the linear speed of the PCD cutter for processing workpieces of different materials.
The roughness adjustable range Ra1.6-Ra 10 of the cutter.
Compared with the prior art, the technical scheme of the utility model have following advantage:
a machining cutter of stable control roughness, according to the machining allowance of blank, through the parameter test that relapses, confirm initial machining parameter and fixed, guarantee the roughness scope after the processing.
The main deflection angle of the original cutter design is too large, the cutting depth needs to be less than 0.2mm every time, otherwise, the teeth are prone to collapse, and the target roughness value of the workpiece can be achieved only by matching with a rough machining cutter. The cutting depth of the cutter can reach 0.7mm at every time, the rough machining cutter is not needed to be matched, the machining time of the rough machining cutter is saved, and the working efficiency is improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Various other modifications and alterations will occur to those skilled in the art upon reading the foregoing description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. A machining tool for stable roughness control, comprising:
the cutter bar is cylindrical;
at least two bottom edges are arranged and distributed at intervals along the circumferential direction of the cutter bar;
the cutting edge is connected with the bottom edge and protrudes out of the cutter bar;
the destroying blade is connected with the bottom blade and protrudes out of the cutter bar; the breaking edge has a cutting width smaller than that of the cutting edge, and a front end of the breaking edge and a front end of the cutting edge protrude at different heights.
2. A machining tool with stable controlled roughness as claimed in claim 1, characterized in that said bottom edge is even number.
3. A machining tool with stable roughness control as claimed in claim 1, wherein the bottom edges are equally spaced.
4. A machining tool with stable control of roughness according to claim 1, characterized in that said breaking edge protrudes with respect to the front end of said cutting edge.
5. A machining tool with stable roughness control as claimed in claim 1, wherein the cutting edge and the breaking edge protrude radially from the tool holder by the same height.
6. A machining tool with stable control of roughness according to claim 1 is characterized in that the front end of the breaking edge is provided with protruding breaking teeth.
7. The machining tool with stable control of roughness according to claim 6, wherein the front end of the breaking tooth protrudes with respect to the front end of the breaking blade.
8. A machining tool with stable control of roughness as claimed in claim 6, characterized in that the width of the two sides of the broken tooth is unequal.
9. A machining tool with stable control of roughness according to claim 6 is characterized in that the front end of the cutting edge is provided with a cutting tooth, and the end face of the breaking tooth protrudes relative to the front end of the cutting tooth.
10. A machining tool with stable roughness control as claimed in claim 9, wherein the width of the two sides of the cutting tooth is not equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222513019.9U CN218460886U (en) | 2022-09-22 | 2022-09-22 | Machining cutter capable of stably controlling roughness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222513019.9U CN218460886U (en) | 2022-09-22 | 2022-09-22 | Machining cutter capable of stably controlling roughness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218460886U true CN218460886U (en) | 2023-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222513019.9U Active CN218460886U (en) | 2022-09-22 | 2022-09-22 | Machining cutter capable of stably controlling roughness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218460886U (en) |
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2022
- 2022-09-22 CN CN202222513019.9U patent/CN218460886U/en active Active
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