CN212310961U - Spiral three-edge milling cutter - Google Patents
Spiral three-edge milling cutter Download PDFInfo
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- CN212310961U CN212310961U CN202020535895.XU CN202020535895U CN212310961U CN 212310961 U CN212310961 U CN 212310961U CN 202020535895 U CN202020535895 U CN 202020535895U CN 212310961 U CN212310961 U CN 212310961U
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Abstract
The utility model discloses a spiral three-edge milling cutter, which comprises a cutter handle part and a cutting edge part, wherein the cutting edge part is arranged at one end of the cutter handle part, the joint between a main milling cutting face and an auxiliary milling cutting face and the joint between the auxiliary milling cutting face and a rear cooling face are polished through a larger drop between the front cooling face and the milling cutting face, the milling cutting face and the rear cooling face are combined together to form a three-edge structure, the area of the milling processing face is increased, the cutter cost is reduced, the surface of the polished three-edge structure is smoother, the main milling cutting face is sharper, burrs are effectively reduced, the processing precision of a workpiece is improved, the six main milling cutting faces are spirally distributed in a unique distribution mode, the generated bolt angle is convenient for the main milling cutting face to move on the workpiece, and the spirally distributed three-edge structure enables the cutting edge to have angle deviation, avoid single sword atress too concentrated, improve milling cutter's life.
Description
Technical Field
The utility model relates to a milling cutter technical field specifically is a spiral three-edge milling cutter.
Background
Milling cutters are mainly used for milling, are rotary cutters with one or more cutter teeth, and are used for intermittently cutting off the allowance of a workpiece in sequence during working, and are mainly applied to milling machines for processing planes, steps, grooves, formed surfaces, cutting off workpieces and the like. The existing three-edge milling cutter is formed by splicing three edge surfaces, a certain included angle is formed between the edge surfaces, so that the machined surface of a workpiece is not smooth enough in the milling process, a large amount of burrs are easily generated on the machined surface, the production precision of the workpiece is greatly reduced, the spliced edge surfaces are still stressed independently, the stress at joints is concentrated, the edge surfaces are easy to break, and the service life of the milling cutter is shortened.
Disclosure of Invention
An object of the utility model is to provide a spiral three-edge milling cutter, it is big to possess the area of milling process face, the cutter is with low costs, the cutting face is sharper, effectively reduce the burr and produce, improve the machining precision of work piece, avoid single sword atress too concentrated, improve milling cutter's life's advantage, can solve among the prior art three-edge milling cutter and form by three cutting face concatenation, certain contained angle has between each cutting face, lead to milling the in-process, the machined surface of work piece is not smooth enough, the machined surface easily produces a large amount of burrs, greatly reduced the production precision of work piece, and the cutting face after the concatenation still is independent atress, the atress of seam crossing is concentrated, fracture easily between the cutting face, reduce milling cutter's life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a spiral three-edge milling cutter comprises a cutter handle part and a cutting edge part, wherein the cutting edge part is arranged at one end of the cutter handle part and comprises a milling cutter cutting surface, a separation surface, a front cooling surface, a rear cooling surface and a connection surface, one side edge of the milling cutter cutting surface is connected with the front cooling surface, the other side edge of the milling cutter cutting surface is connected with the rear cooling surface, the milling cutter cutting surface is also connected with the separation surface, one side edge of the separation surface is connected with the connection surface, and the other side edge of the connection surface is connected with the edge of the other separation surface.
Preferably, the milling cutter blade surface consists of a main milling blade surface and an auxiliary milling blade surface, one side edge of the main milling blade surface is connected with the front cooling surface, the other side edge of the main milling blade surface is connected with the edge of the auxiliary milling blade surface, and the other side edge of the auxiliary milling blade surface is connected with the rear cooling surface.
Preferably, one side edge of the rear cooling surface is connected to an edge of the other front cooling surface.
Preferably, the milling cutter blade surface and the rear cooling surface are combined together to form a three-edge structure, the six three-edge structures are distributed spirally, each three-edge structure is correspondingly connected with one isolation surface, and the six isolation surfaces are respectively connected with the outer edges of the two connecting surfaces.
Preferably, the connecting surface is fixedly connected with the shank portion.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the spiral three-edge milling cutter has the advantages that the large fall is formed between the front cooling surface and the milling cutter blade surface, so that the milling cutter blade surface can be fed conveniently, one side edge of the rear cooling surface is connected with the edge of the other front cooling surface, and the crack formed by the rear cooling surface and the front cooling surface is convenient for scraps to break away.
2. This spiral three-sided sword milling cutter, milling cutter blade face and back cooling surface make up jointly and form three-sided sword structure, and the area increase of milling process face reduces the cutter cost, and three-sided sword structure surface after the polishing is more level and smooth for the main milling blade face is sharper, effectively reduces the burr and produces, improves the machining precision of work piece.
3. This spiral trilateral sword milling cutter, the trilateral sword structure that the spiral distributes makes to have angular deviation between the cutting edge, avoids single sword atress too concentrated, improves milling cutter's life.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
fig. 2 is a schematic top view of the overall structure of the present invention;
FIG. 3 is a schematic side view of the overall structure of the present invention;
fig. 4 is a perspective view of the overall structure of the present invention.
In the figure: 1. a shank portion; 2. a blade portion; 21. milling cutter blade face; 211. primarily milling a blade surface; 212. milling a blade surface secondarily; 22. an isolation surface; 23. a front cooling surface; 24. post-cooling; 25. and (5) connecting the surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a spiral three-edge milling cutter includes a shank portion 1 and a cutting edge portion 2, the cutting edge portion 2 can perform a spiral milling process, the cutting edge portion 2 is disposed at one end of the shank portion 1, the cutting edge portion 2 includes a milling cutter cutting surface 21, a separation surface 22, a front cooling surface 23, a rear cooling surface 24 and a connection surface 25, one side edge of the milling cutter cutting surface 21 is connected to the front cooling surface 23, a large fall is formed between the front cooling surface 23 and the milling cutter cutting surface 21 to facilitate feeding of the milling cutter cutting surface 21, the other side edge of the milling cutter cutting surface 21 is connected to the rear cooling surface 24, one side edge of the rear cooling surface 24 is connected to an edge of another front cooling surface 23, a crack formed by the rear cooling surface 24 and the front cooling surface 23 facilitates separation of waste chips, the milling cutter cutting surface 21 is composed of a main milling cutting surface 211 and a sub-milling surface 212, one side edge of the main milling cutting surface 211 is connected to the front cooling, the other side edge of the main milling cutting face 211 is connected with the edge of the auxiliary milling cutting face 212, the other side edge of the auxiliary milling cutting face 212 is connected with the rear cooling face 24, the joint of the main milling cutting face 211 and the auxiliary milling cutting face 212 and the joint of the auxiliary milling cutting face 212 and the rear cooling face 24 are polished, the milling cutter cutting face 21 and the rear cooling face 24 are combined together to form a three-edge structure, the area of the milling face is increased, the cutter cost is reduced, the surface of the polished three-edge structure is smoother, the main milling cutting face 211 is sharper, burrs are effectively reduced, the machining precision of a workpiece is improved, six three-edge structures are arranged and distributed spirally, the six three-edge structures are distributed spirally due to the unique distribution mode, the generated bolt angle is convenient for the main milling cutting face 211 to move on the workpiece, and the spirally distributed three-edge structures enable the cutting edges to have angle deviation, the stress of a single cutter edge is prevented from being too concentrated, the service life of the milling cutter is prolonged, each three-edge structure is correspondingly connected with one isolation surface 22, six isolation surfaces 22 are respectively connected with the outer edges of two connecting surfaces 25, the cutter edge surface 21 of the milling cutter is also connected with the isolation surface 22, one side edge of each isolation surface 22 is connected with one connecting surface 25, the other side edge of each connecting surface 25 is connected with the edge of the other isolation surface 22, a height difference is formed between each isolation surface 22 and each connecting surface 25, a groove generated by the height difference facilitates the heat dissipation of the cutter edge, and each connecting surface 25 is fixedly connected with the cutter handle part 1.
The working principle is as follows: the other side edge of the main milling edge surface 211 is connected with the edge of the auxiliary milling edge surface 212, and the other side edge of the auxiliary milling edge surface 212 is connected with the rear cooling surface 24, so that the main milling edge surface 211, the auxiliary milling edge surface 212 and the rear cooling surface 24 jointly form a three-edge structure, the joint of the main milling edge surface 211 and the auxiliary milling edge surface 212 and the joint of the auxiliary milling edge surface 212 and the rear cooling surface 24 are polished, the area of a milling processing surface is increased, the surface of the three-edge structure is smoother, the six three-edge structures are distributed spirally, the six main milling edge surfaces 211 are distributed spirally by a unique distribution mode, a generated bolt angle facilitates feeding and milling of the main milling edge surface 211 on a workpiece, and waste generated in the milling process is separated from a crack formed by the rear cooling surface 24 and the front cooling surface 23.
In summary, the following steps: the spiral three-edge milling cutter has the advantages that the milling cutter is convenient to feed the milling cutter blade face 21 due to the fact that the large fall is formed between the front cooling face 23 and the milling cutter blade face 21, one side edge of the rear cooling face 24 is connected with the edge of the other front cooling face 23, a crack formed by the rear cooling face 24 and the front cooling face 23 is convenient to break away scraps, the joint between the main milling cutter blade face 211 and the auxiliary milling cutter blade face 212 and the joint between the auxiliary milling cutter blade face 212 and the rear cooling face 24 are polished, the milling cutter blade face 21 and the rear cooling face 24 are combined together to form a three-edge structure, the area of a milling processing face is increased, the cost of a cutter is reduced, the surface of the polished three-edge structure is smoother, the main milling cutter blade face 211 is sharper, burrs are effectively reduced, the processing precision of a workpiece is improved, the six main milling cutter blade faces 211 are spirally distributed due to the unique distribution mode, the generated bolt angle is convenient for the main milling, and the three-edge structure in spiral distribution enables the angle deviation to exist between the cutting edges, the single-edge stress is prevented from being too concentrated, and the service life of the milling cutter is prolonged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A spiral three-edge milling cutter, includes handle of a knife part (1) and cutting edge part (2), its characterized in that: one end of the cutter handle part (1) is provided with a cutting edge part (2), the cutting edge part (2) comprises a milling cutter cutting surface (21), a separation surface (22), a front cooling surface (23), a rear cooling surface (24) and a connecting surface (25), one side edge of the milling cutter cutting surface (21) is connected with the front cooling surface (23), the other side edge of the milling cutter cutting surface (21) is connected with the rear cooling surface (24), the milling cutter cutting surface (21) is also connected with the separation surface (22), one side edge of the separation surface (22) is connected with the connecting surface (25), and the other side edge of the connecting surface (25) is connected with the edge of the other separation surface (22).
2. A spiral face milling cutter according to claim 1, characterized in that: the milling cutter cutting face (21) consists of a main milling cutting face (211) and an auxiliary milling cutting face (212), one side edge of the main milling cutting face (211) is connected with the front cooling face (23), the other side edge of the main milling cutting face (211) is connected with the edge of the auxiliary milling cutting face (212), and the other side edge of the auxiliary milling cutting face (212) is connected with the rear cooling face (24).
3. A spiral face milling cutter according to claim 1, characterized in that: one side edge of the rear cooling surface (24) is connected to the edge of the other front cooling surface (23).
4. A spiral face milling cutter according to claim 1, characterized in that: the milling cutter blade face (21) and the rear cooling face (24) are combined together to form a three-edge structure, six three-edge structures are arranged and distributed in a spiral shape, each three-edge structure is correspondingly connected with one isolation face (22), and the six isolation faces (22) are respectively connected with the outer side edges of the two connecting faces (25).
5. A spiral face milling cutter according to claim 1, characterized in that: the connecting surface (25) is fixedly connected with the handle part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535895.XU CN212310961U (en) | 2020-04-13 | 2020-04-13 | Spiral three-edge milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535895.XU CN212310961U (en) | 2020-04-13 | 2020-04-13 | Spiral three-edge milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212310961U true CN212310961U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020535895.XU Active CN212310961U (en) | 2020-04-13 | 2020-04-13 | Spiral three-edge milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212310961U (en) |
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2020
- 2020-04-13 CN CN202020535895.XU patent/CN212310961U/en active Active
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