CN213729591U - Finish milling 4-edge flat-tooth milling cutter - Google Patents
Finish milling 4-edge flat-tooth milling cutter Download PDFInfo
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- CN213729591U CN213729591U CN202022044083.8U CN202022044083U CN213729591U CN 213729591 U CN213729591 U CN 213729591U CN 202022044083 U CN202022044083 U CN 202022044083U CN 213729591 U CN213729591 U CN 213729591U
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Abstract
The utility model discloses a finish milling 4 sword flat tooth milling cutter, including cutter body and tool bit, the lower surface of cutter body is connected with the last fixed surface of tool bit, and the tool bit comprises chip removal portion and cutting part, and chip removal portion and cutting part all use the axis of cutter body to be alternate annular array and distribute as the array central line. This 4 sword flat tooth milling cutters of finish milling, the bottom through setting up wherein two cutting edges all is provided with the end sword, the bottom of two cutting edges all is provided with the end tooth in addition, thereby it adopts the design of partition end sword not equally to have the end sword, the anti-seismic performance who makes tool bit and cutter body is better, thereby the stability of tool bit and cutter body has been increased, the processingquality of tool bit to processing part has been guaranteed, it adopts the chamfer design to set up the end tooth bottom, play and prevent because of too sharp-pointed the tipping that brings, thereby the end tooth durability has been improved, the end tooth surface adopts the thickening design simultaneously, play and prevent the tipping, the cutting adds more wear-resisting characteristics man-hour.
Description
Technical Field
The utility model relates to a milling cutter technical field, more specifically say, it relates to a finish milling 4 sword flat-tooth milling cutter.
Background
Milling cutters are cutting tools that are commonly used in milling or machining machines to perform milling operations, sometimes in other machine tools, by which they remove material at a fixed feed rate within the machine.
When the existing milling cutter is used for processing hole parts made of materials difficult to process, for example, stainless steel, the existing milling cutter has poor durability and the capacity of inhibiting vibration, vibration can be generated when the feed amount is large, and normal cutting cannot be performed, so that the milling cutter needs to be replaced and repaired every 0.5 m, the processing efficiency is low, frequent replacement is performed, time and labor are wasted, and the production is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a finish milling 4 sword flat tooth milling cutter, it has the messenger the anti-seismic performance of tool bit of utility is better, increases the characteristics of tool bit stability.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a finish-milling 4-blade flat-tooth milling cutter comprises a cutter body and a cutter head, wherein the lower surface of the cutter body is fixedly connected with the upper surface of the cutter head, and the cutter head consists of a chip removal part and a cutting part;
the chip removal part and the cutting part are distributed in an alternate annular array by taking the axis of the cutter body as an array center line;
the chip discharging part discharges chips generated by cutting of the cutting part in a spiral chip discharging mode.
Furthermore, the chip removal part consists of a void avoiding groove, a first chip removal groove and a second chip removal groove, and the inner bottom wall of the void avoiding groove is fixedly communicated with the inner top wall of the first chip removal groove and the inner top wall of the second chip removal groove;
through above-mentioned technical scheme, set up and keep away the empty groove and keep away the length through increasing to reduce cutting part length, improve the rigidity of cutter, improve the processing property of cutter.
Furthermore, the outer surface of the clearance groove is circular, and the inner walls of the first chip groove and the second chip groove are spiral;
through the technical scheme, the inner walls of the first chip discharge groove and the second chip discharge groove are designed by the large helical angle, so that the subsequent cutting precision is higher and the subsequent cutting is more wear-resistant.
Furthermore, an included angle between the first helical chip discharge groove and the cutter body is A, and the angle range of A is forty degrees to forty-five degrees.
Furthermore, the cutting part consists of four cutting edges, a side edge relief angle and a bottom edge inclined plane, and the first chip discharge groove and the second chip discharge groove are spirally distributed on two sides of the plurality of cutting edges;
through above-mentioned technical scheme, the side sword relief angle adopts the arc surface design for follow-up processing is more even, smooth-going, improves the effect of cutting edge wearability.
Furthermore, the bottoms of two cutting edges are provided with bottom edges, the bottoms of the other two cutting edges are provided with end teeth, and the bottoms of the bottom edges are in an unequal triangular shape;
through the technical scheme, the end blade adopts the design of unequal end blades, so that the anti-seismic performance of the tool bit and the tool body is better, the stability of the tool bit and the tool body is increased, the processing quality of the tool bit on processed parts is ensured, the end tooth bottom is arranged to adopt the chamfer design, the tipping caused by being too sharp is prevented, the durability of the end tooth is improved, meanwhile, the end tooth outer surface adopts the thickening design, the tipping is prevented, and the cutting processing is more wear-resistant.
Furthermore, the outer surface of the side edge back angle and the outer surface of the bottom edge inclined surface are both in a spiral shape, and the side surface of the cutting edge is in a spiral shape and is the same as the spiral shape of the first chip groove and the second chip groove;
through above-mentioned technical scheme, set up end sword inclined plane and play the end sword secondary cutting of being convenient for to improve the wearability of cutting edge blade.
To sum up, the utility model discloses following beneficial effect has:
the bottom through setting up wherein two cutting edges all is provided with the end sword, the bottom of two cutting edges all is provided with the end tooth in addition, thereby it adopts the design of partition end sword not to have the end sword, the anti-seismic performance that makes tool bit and cutter body is better, thereby the stability of tool bit and cutter body has been increased, the processingquality of tool bit to processing part has been guaranteed, it adopts the chamfer design to set up the end tooth bottom, play and prevent because of too sharp-pointed tipping that brings, thereby the end tooth durability has been improved, the end tooth surface adopts the thickening design simultaneously, play and prevent tipping, cut add the more wear-resisting characteristics in man-hour.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a bottom view of the tool bit structure of the present invention;
fig. 3 is a sectional view of the structure of the tool bit of the present invention.
In the figure: 1. a cutter body; 2. a cutter head; 3. an empty avoiding groove; 4. a first chip discharge groove; 5. a second chip groove; 6. a cutting edge; 7. a side edge relief angle; 8. a bottom edge bevel; 9. an end tooth; 10. a bottom edge.
Detailed Description
Example (b):
the present invention will be described in further detail with reference to the accompanying fig. 1-3.
A finish-milling 4-edge flat-tooth milling cutter is shown in figures 1-3 and comprises a cutter body 1 and a cutter head 2, wherein the lower surface of the cutter body 1 is fixedly connected with the upper surface of the cutter head 2, and the cutter head 2 consists of a chip removal part and a cutting part;
the chip removal part and the cutting part are distributed in an alternate annular array by taking the axis of the cutter body 1 as an array center line;
the chip discharging part discharges chips generated by cutting of the cutting part in a spiral chip discharging mode.
As shown in fig. 1-2, further, the chip discharging portion is composed of a void-avoiding groove 3, a first chip-discharging groove 4 and a second chip-discharging groove 5, the inner bottom wall of the void-avoiding groove 3 is fixedly communicated with the inner top wall of the first chip-discharging groove 4 and the inner top wall of the second chip-discharging groove 5, the outer surface of the void-avoiding groove 3 is circular, the inner walls of the first chip-discharging groove 4 and the second chip-discharging groove 5 are spiral, the included angle between the spiral first chip-discharging groove 4 and the cutter body 1 is a, the angle range of a is forty degrees to forty-five degrees, the cutting portion is composed of four cutting edges 6, a side edge relief angle 7 and a bottom edge slope 8, the first chip-discharging groove 4 and the second chip-discharging groove 5 are spirally distributed at two sides of a plurality of cutting edges 6, wherein the bottom edges 10 are arranged at the bottoms of two cutting edges 6, end teeth 9 are arranged at the bottoms of the other two cutting edges 6, and the bottoms of the plurality of unequal triangular cutting edges 10 are formed, the outer surface of the side edge back angle 7 and the outer surface of the bottom edge inclined surface 8 are both in a spiral shape, the side surface of the cutting edge 6 is in a spiral shape and is the same as the spiral shape of the first chip groove 4 and the second chip groove 5,
as shown in fig. 1-3, further, the clearance groove 3 is arranged to reduce the length of the cutting part by increasing the clearance length, improve the rigidity of the cutter and improve the processing performance of the cutter, the inner walls of the first chip groove 4 and the second chip groove 5 are designed to have a large helical angle, so that the subsequent cutting precision is higher and more wear-resistant, the side edge relief angle 7 is designed to have an arc surface, so that the subsequent processing is more uniform and smooth, the wear resistance of the cutting edge 6 is improved, the bottom edge 10 is designed to have an unequal bottom edge 10, so that the shock resistance of the cutter head 2 and the cutter body 1 is better, so that the stability of the cutter head 2 and the cutter body 1 is increased, the processing quality of the cutter head 2 to the processed parts is ensured, the bottom of the end tooth 9 is designed to have a chamfer angle, so as to prevent the tipping caused by being too sharp, so that the durability of the end tooth 9 is improved, and the outer surface of the end tooth 9 is designed to be thickened, play and prevent tipping, the more wear-resisting characteristics of cutting process sets up end sword inclined plane 8 and plays 10 secondary cutting of the end sword of being convenient for to improve the wearability of 6 blades of cutting edge.
As shown in fig. 1-3, the bottom of two of the cutting edges 6 is provided with a bottom blade 10, and the bottom of the other two cutting edges 6 is provided with an end tooth 9, so that the design that the bottom blade 10 adopts the unequal bottom blades 10 is adopted, the anti-seismic performance of the tool bit 2 and the tool body 1 is better, the stability of the tool bit 2 and the tool body 1 is improved, the processing quality of the tool bit 2 for processing parts is ensured, the bottom of the end tooth 9 is arranged to adopt a chamfer design, the purpose of preventing the tipping caused by over sharp is achieved, the durability of the end tooth 9 is improved, meanwhile, the outer surface of the end tooth 9 adopts a thickening design, the purpose of preventing tipping is achieved, and the characteristic of more wear resistance during cutting processing is achieved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a finish milling 4 sword flat tooth milling cutter, includes cutter body (1) and tool bit (2), the lower surface of cutter body (1) is connected its characterized in that with the last fixed surface of tool bit (2): the cutter head (2) consists of a chip removal part and a cutting part;
the chip removal part and the cutting part are distributed in an alternate annular array by taking the axis of the cutter body (1) as an array center line;
the chip discharging part discharges chips generated by cutting of the cutting part in a spiral chip discharging mode;
the chip removal part consists of a void avoiding groove (3), a first chip removal groove (4) and a second chip removal groove (5), and the inner bottom wall of the void avoiding groove (3) is fixedly communicated with the inner top wall of the first chip removal groove (4) and the inner top wall of the second chip removal groove (5);
the cutting part consists of four cutting edges (6), a side edge relief angle (7) and a bottom edge inclined surface (8), and the first chip discharge groove (4) and the second chip discharge groove (5) are spirally distributed on two sides of the cutting edges (6);
the bottom of each of the two cutting edges (6) is provided with a bottom edge (10), the bottom of each of the other two cutting edges (6) is provided with an end tooth (9), and the bottoms of the bottom edges (10) are in an unequal triangular shape.
2. The finish-milled 4-edge flat tooth milling cutter as claimed in claim 1, wherein: the outer surface of the clearance groove (3) is circular, and the inner walls of the first chip discharge groove (4) and the second chip discharge groove (5) are both spiral.
3. The finish-milled 4-edge flat tooth milling cutter as claimed in claim 1, wherein: the included angle between the first helical chip discharge groove (4) and the cutter body (1) is A, and the angle range of A is forty degrees to forty-five degrees.
4. The finish-milled 4-edge flat tooth milling cutter as claimed in claim 1, wherein: the outer surface of the side edge back angle (7) and the outer surface of the bottom edge inclined plane (8) are both in a spiral shape, and the side surface of the cutting edge (6) is in a spiral shape and is the same as the spiral shape of the first chip groove (4) and the second chip groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022044083.8U CN213729591U (en) | 2020-09-17 | 2020-09-17 | Finish milling 4-edge flat-tooth milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022044083.8U CN213729591U (en) | 2020-09-17 | 2020-09-17 | Finish milling 4-edge flat-tooth milling cutter |
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| Publication Number | Publication Date |
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| CN213729591U true CN213729591U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022044083.8U Active CN213729591U (en) | 2020-09-17 | 2020-09-17 | Finish milling 4-edge flat-tooth milling cutter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400493A (en) * | 2021-07-22 | 2021-09-17 | 深圳市鑫金泉精密技术股份有限公司 | Single crystal ball cutter |
-
2020
- 2020-09-17 CN CN202022044083.8U patent/CN213729591U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400493A (en) * | 2021-07-22 | 2021-09-17 | 深圳市鑫金泉精密技术股份有限公司 | Single crystal ball cutter |
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