CN216729751U - Wave-shaped relief angle rough-skin milling cutter - Google Patents
Wave-shaped relief angle rough-skin milling cutter Download PDFInfo
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- CN216729751U CN216729751U CN202220160085.XU CN202220160085U CN216729751U CN 216729751 U CN216729751 U CN 216729751U CN 202220160085 U CN202220160085 U CN 202220160085U CN 216729751 U CN216729751 U CN 216729751U
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Abstract
The application relates to the field of milling cutters, in particular to a rough skin milling cutter with a wave forming relief angle, which comprises a cutter handle and a cutter body which are integrally formed, wherein a plurality of spiral grooves are formed in the side wall of the cutter body, and a spiral boss is formed between every two adjacent spiral grooves; each spiral boss is provided with a plurality of chip flutes, the chip flutes are arranged at intervals along the length direction of the spiral boss, and a cutting edge is formed between every two adjacent chip flutes. This application has improved the machining efficiency of milling cutter to the work piece.
Description
Technical Field
The utility model belongs to the technical field of milling cutter and specifically relates to a rough skin milling cutter of wave shaping relief angle.
Background
A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.
The related art discloses a rough and fine integrated end mill with unequal division and unequal spirals, which can also be called a spiral milling cutter structure and comprises a cylindrical cutter bar, wherein four side edges are formed on the peripheral wall of one end of the cutter bar, the four side edges are a first side edge, a second side edge, a third side edge and a fourth side edge, the first side edge, the second side edge, the third side edge and the fourth side edge are arranged circumferentially, and the axes of the first side edge, the second side edge, the third side edge and the fourth side edge are not uniformly distributed; the blade parts of the first side blade and the third side blade are provided with wavy teeth; the blade diameter of the second side blade and the fourth side blade is higher than that of the first side blade and the third side blade.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the process of cutting a workpiece, the milling cutter utilizes the cutting edge to form point contact with a processing plane to cut a processed object, so that when the feed amount is larger, the stress of the blade is increased to cause the resistance on the blade to be increased, thereby reducing the processing efficiency of the milling cutter on the workpiece.
SUMMERY OF THE UTILITY MODEL
In order to improve the machining efficiency of milling cutter to the work piece, this application provides a thick skin milling cutter of wave shaping relief angle.
The application provides a rough skin milling cutter in wave shaping relief angle adopts following technical scheme:
a rough skin milling cutter with a wave-shaped relief angle comprises a cutter handle and a cutter body which are integrally formed, wherein a plurality of spiral grooves are formed in the side wall of the cutter body, and a spiral boss is formed between every two adjacent spiral grooves; each spiral boss is provided with a plurality of chip flutes, the chip flutes are arranged at intervals along the length direction of the spiral boss, and a cutting edge is formed between every two adjacent chip flutes.
By adopting the technical scheme, the plurality of spiral grooves are convenient for discharging the chips in time when the arc-shaped side wall of the milling cutter cuts the workpiece; because the wavy spiral boss is formed between the two adjacent spiral grooves, the friction force between the milling cutter and the workpiece can be reduced by the spiral boss in the process of cutting the workpiece, and the milling cutter and the workpiece are protected; because a plurality of chip grooves are formed in each spiral boss, the milling cutter can cut off chips generated in the machining process in time in the process of cutting a workpiece, and meanwhile, the chip grooves can discharge the chips in time, so that the chip removal efficiency of the milling cutter is further increased, the large-allowance workpiece can be machined, the residual quantity of the machined part can be reduced, the efficiency of cutting the workpiece by the milling cutter is improved, and the cushion is laid for fine machining.
Optionally, the helix angle of the helical boss is 30-45 °.
By adopting the technical scheme, because workpieces made of different materials have different hardness, when a workpiece with higher hardness is machined, a milling cutter with a helical angle of 30 degrees is preferably selected; when machining a workpiece with a low hardness, a milling cutter with a helix angle of 30 ° is preferred, so that milling cutters with different helix angles can be selected according to the hardness of the material.
Optionally, a first fillet is arranged on the cutting edge.
Through adopting above-mentioned technical scheme, milling cutter is at the in-process of cutting the work piece, and first fillet has reduced the frictional force between milling cutter and the work piece, not only all has the guard action to milling cutter and work piece, has also improved the efficiency that milling cutter cut the work piece simultaneously.
Optionally, the ratio of the radius of the cutting edge to the outer diameter of the helical boss is 1: 20.
By adopting the technical scheme, in the process of cutting the workpiece by the milling cutter, the ratio of the radius of the cutting edge to the outer diameter of the spiral boss is 1:20, so that the resistance between the milling cutter and the workpiece can be effectively reduced.
Optionally, the distance between two adjacent cutting edges is half of the radius of the spiral boss.
By adopting the technical scheme, the chip removal function of the milling cutter is increased, and the hardness of the cutting edge is increased.
Optionally, a second fillet is arranged in the chip pocket.
By adopting the technical scheme, the overall aesthetic property of the milling cutter is increased, and the chip grooves are convenient for accommodating more scraps.
Optionally, a plurality of chip grooves are formed in the end portion of the cutter body, and end teeth are formed between every two adjacent chip grooves.
By adopting the technical scheme, the contact area between the end teeth and the workpiece is smaller when the end part of the cutter body cuts the workpiece, so that the pressure of the cutter body to the workpiece is increased, and meanwhile, the scrap discharge groove is convenient for discharging the scrap in time.
Optionally, the end teeth are provided with an avoiding chute.
Through adopting above-mentioned technical scheme, keep away a chute and reduced the area of contact between end tooth and the work piece, increased the efficiency of cutter body processing work piece.
In summary, the present application includes at least one of the following beneficial technical effects:
the plurality of spiral grooves facilitate timely discharging of chips in the process of cutting a workpiece by the arc-shaped side wall of the milling cutter; because the wavy spiral boss is formed between the two adjacent spiral grooves, the friction force between the milling cutter and the workpiece can be reduced by the spiral boss in the process of cutting the workpiece, and the milling cutter and the workpiece are protected; because each spiral boss is provided with a plurality of chip grooves, when the milling cutter cuts a workpiece, a plurality of cutting edges can cut off chips generated in the machining process in time, and meanwhile, the plurality of chip grooves can discharge the chips in time, so that the chip removal efficiency of the milling cutter is further increased, a large-surplus workpiece can be machined, the residual quantity of the machined part can be reduced, the efficiency of the milling cutter for cutting the workpiece is improved, and the cushion is laid for fine machining;
because the hardness of workpieces made of different materials is different, when the workpiece with higher hardness is machined, a milling cutter with a helical angle of 30 degrees is preferably selected; when a workpiece with lower hardness is machined, a milling cutter with a helix angle of 30 degrees is preferably selected, so that milling cutters with different helix angles can be conveniently selected according to the hardness of the material;
in the process of cutting a workpiece by the milling cutter, the friction force between the milling cutter and the workpiece is reduced by the first round angle, so that the milling cutter and the workpiece are protected, and the efficiency of cutting the workpiece by the milling cutter is improved.
Drawings
Fig. 1 is a schematic structural view of a wave-formed relief angle rough milling cutter in the embodiment of the application.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural diagram of another view of the rough milling cutter with wave forming relief angle in the embodiment of the present application.
Description of the reference numerals:
1. a knife handle; 2. a cutter body; 21. a helical groove; 22. a spiral boss; 221. a chip pocket; 222. a cutting edge; 223. a first rounded corner; 224. a second rounded corner; 23. a helix angle; 24. a chip groove; 25. an end tooth; 26. avoid a position chute.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The utility model provides a rough skin milling cutter of wave shaping relief angle, refers to fig. 1, and rough skin milling cutter of wave shaping relief angle includes integrated into one piece's handle of a knife 1 and cutter body 2.
Referring to fig. 1 and 2, the side wall of the cutter body 2 is opened with a plurality of spiral grooves 21. In the present embodiment, the number of the spiral grooves 21 is four, a spiral boss 22 is formed between two adjacent spiral grooves 21, and the four spiral bosses 22 are uniformly distributed along the axis of the cutter body 2. Each spiral boss 22 is spirally distributed along the length direction of the cutter body 2, a plurality of chip flutes 221 are formed on each spiral boss 22, the plurality of chip flutes 221 are arranged at intervals along the length direction of the spiral boss 22, and a cutting edge 222 is formed between every two adjacent chip flutes 221. In the process of cutting a workpiece by the milling cutter, the four spiral grooves 21 are convenient for discharging scraps in time, and the spiral boss 22 can reduce the friction force between the cutter body 2 and the workpiece in the process of cutting the workpiece, so that the milling cutter and the workpiece are protected.
Referring to FIG. 1, the helix angle 23 of the helical lobes 22 is between 30 and 45. In the present embodiment, the helix angle 23 refers to the angle between the axis of the shank 1 and the tangent to the edge of the flute 221 near one end of the shank 1. Because the hardness of workpieces made of different materials is different, when a workpiece with higher hardness is machined, a milling cutter with a helix angle 23 of 30 degrees is preferably selected; when machining a workpiece with a smaller hardness, a milling cutter with a helix angle 23 of 30 ° is preferred, so that milling cutters with different helix angles 23 can be selected according to the hardness of the material.
Referring to fig. 2, the cutting edge 222 is provided with a first fillet 223, and the first fillet 223 reduces friction between the milling cutter and the workpiece during the process of cutting the workpiece by the milling cutter, so that not only is the milling cutter and the workpiece protected, but also the efficiency of cutting the workpiece by the milling cutter is improved.
With continued reference to fig. 2, the ratio of the radius of the cutting edge 222 to the outer diameter of the spiral boss 22 is 1:20, so that the resistance between the milling cutter and the workpiece can be effectively reduced during the process of cutting the workpiece by the milling cutter. While the spacing between two adjacent cutting edges 222 is one-half the radius of the helical land 22. Not only the chip removal function of the milling cutter is increased, but also the hardness of the cutting edge 222 is increased.
With continued reference to fig. 2, a second rounded corner 224 is provided in the chip groove 221, and the second rounded corner 224 not only enhances the overall aesthetic appearance of the milling cutter, but also facilitates accommodating more waste chips in the chip groove 221.
Referring to fig. 2 and 3, a plurality of chip flutes 24 are formed at an end of the cutter body 2, and an end tooth 25 is formed between two adjacent chip flutes 24. In the process of cutting the workpiece, the contact area between the end teeth 25 and the workpiece is small at the end part of the cutter body 2, so that the pressure of the cutter body 2 to the workpiece is increased, and meanwhile, the scrap discharge grooves 24 are convenient for discharging scraps in time. The end teeth 25 are provided with the position-avoiding chutes 26, and the position-avoiding chutes 26 reduce the contact area between the end teeth 25 and the workpiece, thereby increasing the efficiency of the cutter body 2 for processing the workpiece.
The application principle of the rough skin milling cutter of wave shaping relief angle of this application does: because the wavy spiral boss 22 is formed between the two adjacent spiral grooves 21, the spiral boss 22 can reduce the friction force between the cutter body 2 and the workpiece in the process of cutting the workpiece, and the milling cutter can quickly cut off chips in the process of cutting the workpiece, and simultaneously, the chip removal function of the milling cutter is increased, the cutting process is stable, the smoothness of the surface of the workpiece is increased, and the milling cutter and the workpiece are protected.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a rough skin milling cutter of wave shaping relief angle which characterized in that: the cutter comprises a cutter handle (1) and a cutter body (2) which are integrally formed, wherein the side wall of the cutter body (2) is provided with a plurality of spiral grooves (21), and a spiral boss (22) is formed between every two adjacent spiral grooves (21); each spiral boss (22) is provided with a plurality of chip flutes (221), the chip flutes (221) are arranged at intervals along the length direction of the spiral boss (22), and a cutting edge (222) is formed between every two adjacent chip flutes (221).
2. The wave forming relief angle rough skin milling cutter according to claim 1, wherein: the helix angle (23) of the spiral lug boss (22) is 30-45 degrees.
3. The wave forming relief angle rough skin milling cutter according to claim 1, wherein: a first fillet (223) is arranged on the cutting edge (222).
4. The wave forming relief angle rough skin milling cutter according to claim 1, wherein: the ratio of the radius of the cutting edge (222) to the outer diameter of the spiral boss (22) is 1: 20.
5. The wave forming relief angle rough skin milling cutter according to claim 1, wherein: the distance between two adjacent cutting edges (222) is half of the radius of the spiral boss (22).
6. The wave forming relief angle rough skin milling cutter according to claim 1, wherein: a second fillet (224) is arranged in the chip groove (221).
7. The wave forming relief angle roughing milling cutter of claim 1 wherein: a plurality of chip grooves (24) are formed in the end portion of the cutter body (2), and end teeth (25) are formed between every two adjacent chip grooves (24).
8. The wave forming relief angle roughing milling cutter of claim 7, wherein: the end teeth (25) are provided with avoidance chutes (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220160085.XU CN216729751U (en) | 2022-01-19 | 2022-01-19 | Wave-shaped relief angle rough-skin milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220160085.XU CN216729751U (en) | 2022-01-19 | 2022-01-19 | Wave-shaped relief angle rough-skin milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216729751U true CN216729751U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220160085.XU Active CN216729751U (en) | 2022-01-19 | 2022-01-19 | Wave-shaped relief angle rough-skin milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216729751U (en) |
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2022
- 2022-01-19 CN CN202220160085.XU patent/CN216729751U/en active Active
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