CN112846332A - Processing notebook is with opening thick round nose milling cutter - Google Patents

Processing notebook is with opening thick round nose milling cutter Download PDF

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Publication number
CN112846332A
CN112846332A CN202110114576.0A CN202110114576A CN112846332A CN 112846332 A CN112846332 A CN 112846332A CN 202110114576 A CN202110114576 A CN 202110114576A CN 112846332 A CN112846332 A CN 112846332A
Authority
CN
China
Prior art keywords
tooth
angle
peripheral
cutter body
teeth
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Pending
Application number
CN202110114576.0A
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Chinese (zh)
Inventor
戴利
姚军
王立军
许九月
王少权
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Jiangsu K Better Technology Co ltd
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Jiangsu K Better Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu K Better Technology Co ltd filed Critical Jiangsu K Better Technology Co ltd
Priority to CN202110114576.0A priority Critical patent/CN112846332A/en
Publication of CN112846332A publication Critical patent/CN112846332A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/02—Milling-cutters characterised by the shape of the cutter
    • B23C5/10—Shank-type cutters, i.e. with an integral shaft
    • B23C5/1081—Shank-type cutters, i.e. with an integral shaft with permanently fixed cutting inserts 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2230/00—Details of chip evacuation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Abstract

The invention provides a thick round nose milling cutter for processing a notebook computer, which comprises: the cutter body is a cylindrical component; the cutting edge is arranged at one end of the cutter body and extends spirally along the axial direction of the cutter body, end teeth are formed at one end of the cutting edge along the axial direction of the cutter body, circumferential teeth are formed at the edge of the cutting edge along the radial direction of the cutter body, a plurality of cutting edges are distributed in a circumferential array mode by taking the axis of the cutter body as a reference, chip grooves are formed between the end teeth of adjacent cutting edges, and chip grooves are formed between the circumferential teeth of adjacent cutting edges; the fillet portion is arranged at one end, far away from the axis of the cutter body, of the end tooth. The technical effect of the technical scheme is as follows: the one end that the cutter body axis was kept away from to the end tooth is equipped with the fillet portion to the sharp portion appears in the juncture that prevents end tooth and week tooth, can prevent that the mar from appearing in the product, thereby makes off-the-shelf surface burr-free and more bright and clean, and the finished product is efficient, and has good chip removal efficiency.

Description

Processing notebook is with opening thick round nose milling cutter
Technical Field
The invention relates to the technical field of metal processing cutters, in particular to a thick round nose milling cutter for processing a notebook computer.
Background
The prior art needs to use the rough cutter to process when processing aluminium earlier, and the life-span is end, and produces the line that shakes easily, burr, line, the chip removal is not smooth, and the tool changing many times, the yield is not high, leads to increasing the back and does not have the process to handle above-mentioned problem to production efficiency is low, and the quality is poor. Therefore, a new efficient round nose milling cutter for processing notebook computers needs to be developed.
Disclosure of Invention
For solving above-mentioned technical problem, this application has provided a processing notebook is with opening thick round nose milling cutter, and the end tooth is kept away from the one end of cutter body axis is equipped with fillet portion to sharp portion appears in the juncture that prevents end tooth and week tooth, can prevent that the mar from appearing in the product, thereby make off-the-shelf surface burr-free and more bright and clean, the finished product is efficient, and has good chip removal efficiency.
Specifically, this application has provided a processing notebook is with opening thick round nose milling cutter, includes:
a cutter body, which is a cylindrical component;
the cutting blade is arranged at one end of the cutter body and extends spirally along the axial direction of the cutter body, end teeth are formed at one end of the cutting blade along the axial direction of the cutter body, circumferential teeth are formed at the edge of the cutting blade along the radial direction of the cutter body, the plurality of cutting blades are distributed in a circumferential array mode by taking the axis of the cutter body as the reference, chip grooves are formed between the end teeth of adjacent cutting blades, and chip grooves are formed between the circumferential teeth of adjacent cutting blades;
the round corner is arranged at one end, far away from the axis of the cutter body, of the end tooth.
The technical effect of the technical scheme is as follows: the end tooth is kept away from the one end of cutter body axis is equipped with fillet portion to prevent that sharp portion from appearing in the juncture of end tooth and week tooth, can prevent that the mar from appearing in the product, thereby make off-the-shelf surface burr-free and more bright and clean, the finished product is efficient, and has good chip removal efficiency.
Preferably, the helix angle of the cutting edge is 30-45 °.
Preferably, the inclination angle of the blade is 1 to 3 °.
Preferably, the number of the cutting edges is three, the three cutting edges are respectively a first cutting edge, a second cutting edge and a third cutting edge, and the diameters of the rotating circular surfaces of the first cutting edge, the second cutting edge and the third cutting edge which take the axis of the cutter body as the reference are sequentially reduced.
The preferable technical effects are as follows: when the peripheral teeth polish the side face of the product, the rotating circular faces of the three blades are different, so that the peripheral teeth can be effectively driven to cut into the surface of the product to a certain depth, and the product can be polished.
Preferably, the Gash angle of the first blade edge is 35 °; the Gash angle of the third cutting edge is 42 degrees.
The preferred technical effect is that the diameter of the first blade is larger than the diameter of the rotating circular surface of the third blade, so that the structural strength of the first blade is weaker than that of the third blade; meanwhile, the Gash angle of the first cutter edge is smaller, so that the structural strength of the first cutter edge is improved, the integral structural strength of the milling cutter is higher, and the service life of the milling cutter can be effectively prolonged.
Preferably, the peripheral teeth have a peripheral tooth rake surface, a peripheral tooth flank surface one and a peripheral tooth flank surface two, a peripheral tooth land is formed at the boundary between the peripheral tooth rake surface and the peripheral tooth flank surface, and the width of the peripheral tooth land is 0.02 cm. The width of the peripheral tooth edge is 0.02cm, so that the structural strength of the peripheral tooth edge can be improved, and the service life is prolonged; on the other hand, the surface of the product is convenient to polish, thereby improving the surface smoothness of the product.
Preferably, the peripheral teeth have a peripheral tooth rake angle, a peripheral tooth clearance angle one and a peripheral tooth clearance angle two, the peripheral tooth rake angle is 10 ° to 15 °, the peripheral tooth clearance angle one is 10 ° to 15 °, and the peripheral tooth clearance angle two is 20 ° to 25 °.
Preferably, the end teeth have an end tooth front angle, an end tooth back angle I and an end tooth back angle II, the angle of the end tooth front angle is 4-7 degrees, the angle of the end tooth back angle I is 8-12 degrees, and the angle of the end tooth back angle II is 15-20 degrees.
Preferably, the width of the first peripheral tooth flank surface is 0.05 to 0.08 times the diameter of the first blade rotating circular surface.
Preferably, the width of the second peripheral tooth flank surface is 0.15 to 0.18 times the diameter of the first blade rotating circular surface.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.
Fig. 1 is a schematic perspective view of a milling cutter for machining a thick round nose of a notebook according to the present embodiment;
FIG. 2 is a schematic side view of a milling cutter for machining a thick round nose of a notebook according to the present embodiment;
fig. 3 is a schematic front view of a milling cutter for machining a thick round nose of a notebook according to the present embodiment;
FIG. 4 is an enlarged partial schematic view of FIG. 3 at A;
FIG. 5 is a schematic structural diagram of an end tooth of a milling cutter for machining a thick round nose for a notebook according to the present embodiment;
FIG. 6 is a schematic view of a portion of the enlarged structure at I in FIG. 3;
fig. 7 is a schematic structural view of the Gash angle of the blade in this embodiment.
Wherein the reference numbers referred to in the figures are as follows:
11-a first blade edge; 12-a second blade edge; 13-a third blade; 14-peripheral tooth rake face; 15-a peripheral tooth back cutter face I; 16-a peripheral tooth flank surface II; 17-end teeth.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, the present embodiment provides a thick round nose milling cutter for processing a notebook computer, including:
a cutter body, which is a cylindrical component; the axial length of the cutter body is L1；
The cutting blade is arranged at one end of the cutter body and extends spirally along the axial direction of the cutter body, end teeth 17 are formed on the cutting blade along one axial end of the cutter body, circumferential teeth are formed on the cutting blade along the radial edge of the cutter body, and the plurality of cutting blades are distributed in a circumferential array mode with the axis of the cutter body as the reference and are mutually distributedA chip groove is formed between the end teeth 17 of the adjacent cutting edges, and a chip groove is formed between the peripheral teeth of the adjacent cutting edges; the axial length of the cutting edge is L2；
Fillet R1The rounded corner R1And the end tooth 17 is arranged at one end far away from the axis of the cutter body.
The technical effect of the technical scheme is as follows: end tooth 17 is kept away from the one end of cutter body axis is equipped with the fillet portion to prevent that sharp portion from appearing in the juncture of end tooth 17 and week tooth, can prevent that the mar from appearing in the product, thereby make off-the-shelf surface burr-free and more bright and clean, the finished product is efficient, and has good chip removal efficiency.
As an embodiment of this embodiment, the helix angle A of the blade1Is 30-45 degrees.
As an implementation manner of this embodiment, the inclination angle A of the blade edge2Is 1 to 3 degrees.
As an embodiment of the present invention, the number of the cutting edges is three, the three cutting edges are a first cutting edge 11, a second cutting edge 12 and a third cutting edge 13, and the diameters of the rotating circular surfaces of the first cutting edge 11, the second cutting edge 12 and the third cutting edge 13 with the cutter body axis as a reference are sequentially reduced.
The technical effects of the embodiment are as follows: when the peripheral teeth polish the side face of the product, the rotating circular faces of the three blades are different, so that the peripheral teeth can be effectively driven to cut into the surface of the product to a certain depth, and the product can be polished.
As an implementation manner of the present embodiment, the Gash angle of the first blade 11 is 35 °; the Gash angle of the third blade 13 is 42 degrees; wherein the symbol of the Gash angle in the drawing is A9。
The technical effect of the present embodiment is that the diameter of the rotational circular surface of the first blade 11 is larger than that of the third blade 13, so that the structural strength of the first blade 11 is weaker than that of the third blade 13; meanwhile, the Gash angle of the first cutting edge 11 is smaller, so that the structural strength of the first cutting edge 11 is improved, the overall structural strength of the milling cutter is higher, and the service life of the milling cutter can be effectively prolonged.
In one embodiment of the present embodiment, the peripheral teeth have a peripheral tooth rake surface 14, a peripheral tooth flank surface one 15, and a peripheral tooth flank surface two 16, a peripheral tooth land is formed at a boundary between the peripheral tooth rake surface 14 and the peripheral tooth flank surface, and a width H of the peripheral tooth land1Is 0.02 cm. The width of the peripheral tooth edge is 0.02cm, so that the structural strength of the peripheral tooth edge can be improved, and the service life is prolonged; on the other hand, the surface of the product is convenient to polish, thereby improving the surface smoothness of the product.
As an embodiment of this embodiment, the peripheral teeth have a peripheral tooth rake angle, a peripheral tooth clearance angle I and a peripheral tooth clearance angle II, the angle A of the peripheral tooth rake angle3Is 10 to 15 degrees, and the angle A of the first back angle of the peripheral teeth4Is 10 to 15 degrees, and the angle A of the back angle of the circumferential teeth is two5Is 20-25 degrees.
As an embodiment of this embodiment, the end tooth 17 has a front angle of the end tooth 17, a back angle of the end tooth 17, and the front angle of the end tooth 17 is an angle A6Is 4 degrees to 7 degrees, and the angle A of the first back angle of the end tooth 177Is 8 degrees to 12 degrees, and the angle A of the back angle II of the end tooth 178Is 15-20 degrees.
In one embodiment of this embodiment, the width H of the first peripheral tooth flank surface 152Diameter D of the rotating circular surface for the first blade 1120.05 to 0.08 times of the total amount of the active carbon.
In one embodiment of the present invention, the width H of the second peripheral tooth flank surface 163Diameter D of the rotating circular surface for the first blade 1120.15 to 0.18 times of the amount of the active ingredient.
In addition, L in the drawings of the specification3The length of the end tooth 17 in the second blade 12; l is4The length of the end tooth 17 in the third cutting edge 13; d1Is the diameter of the shank.
In this embodiment, the milling cutter has a cutting edge core diameter D3Is D20.4-0.45 times of the total weight of; width H of the first relief angle of the end tooth 174Is D20.1 times of; the peripheral tooth blade edge is provided with a blade tip protection part, and the width H of the blade tip protection part6Is D20.01-0.02 times of the total weight of;
the distance H between one end of the end tooth 17 close to the cutter body axis and the cutter body axis5Is 0.04-0.06 cm, and the length of the end teeth 17 is crosswise arranged with the axis of the cutter body. Width H of the first relief angle of the end tooth 174Is D20.1 times of.
The end tooth front cutter face, the end tooth rear cutter face I, the end tooth rear cutter face II, the peripheral tooth front cutter face, the peripheral tooth rear cutter face I and the peripheral tooth rear cutter face II are general technical terms in the field respectively, and for convenience of understanding, the explanation is still provided in the text, in the process of machining a workpiece in the vertical direction, the end tooth front cutter face is the face firstly contacted with the workpiece, and then the end tooth rear cutter face I and the end tooth rear cutter face II are sequentially arranged in the same end tooth; when a workpiece is machined in the horizontal direction, in the same peripheral tooth, a peripheral tooth front cutter face is the face which is firstly contacted with the workpiece, and then a peripheral tooth rear cutter face I and a peripheral tooth rear cutter face II are sequentially arranged; this paragraph is merely for explanation and illustration of general technical terms and does not refer to the substance in the technical solution.
It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a processing notebook is with opening thick round nose milling cutter which characterized in that includes:
a cutter body, which is a cylindrical component;
the cutting blade is arranged at one end of the cutter body and extends spirally along the axial direction of the cutter body, end teeth are formed at one end of the cutting blade along the axial direction of the cutter body, circumferential teeth are formed at the edge of the cutting blade along the radial direction of the cutter body, the plurality of cutting blades are distributed in a circumferential array mode by taking the axis of the cutter body as the reference, chip grooves are formed between the end teeth of adjacent cutting blades, and chip grooves are formed between the circumferential teeth of adjacent cutting blades;
the round corner is arranged at one end, far away from the axis of the cutter body, of the end tooth.
2. The notebook roughing nose mill of claim 1 wherein said blade helix angle is between 30 ° and 45 °.
3. The notebook roughing nose mill of claim 1 wherein said blade angle is 1 ° to 3 °.
4. The roughing milling cutter for notebook computers according to claim 2, wherein the number of the cutting edges is three, and the three cutting edges are a first cutting edge, a second cutting edge and a third cutting edge, and the diameters of the rotating circular surfaces of the first cutting edge, the second cutting edge and the third cutting edge are sequentially reduced with respect to the cutter body axis.
5. The notebook roughing nose mill of claim 4 wherein said first blade has a Gash angle of 35 °; the Gash angle of the third cutting edge is 42 degrees.
6. The thick round nose milling cutter for notebook computer processing according to claim 5, wherein the peripheral teeth have a peripheral teeth rake face, a peripheral teeth flank face I and a peripheral teeth flank face II, a peripheral teeth land is formed at the intersection of the peripheral teeth rake face and the peripheral teeth flank face, and the width of the peripheral teeth land is 0.02 cm.
7. The notebook roughing nose mill according to claim 6, wherein said peripheral teeth have a peripheral tooth rake angle, a peripheral tooth clearance angle one and a peripheral tooth clearance angle two, said peripheral tooth rake angle is 10 ° to 15 °, said peripheral tooth clearance angle one is 10 ° to 15 °, and said peripheral tooth clearance angle two is 20 ° to 25 °.
8. The roughing nose mill for notebook computers according to claim 7, wherein said end teeth have an end tooth front angle, an end tooth back angle one and an end tooth back angle two, said end tooth front angle is 4 ° to 7 °, said end tooth back angle one is 8 ° to 12 °, and said end tooth back angle two is 15 ° to 20 °.
9. The notebook roughing nose milling cutter according to claim 8, wherein the width of the first peripheral tooth flank surface is 0.05 to 0.08 times the diameter of the first cutting edge rotation circle surface.
10. The notebook roughing nose milling cutter according to claim 9, wherein the width of the second peripheral tooth flank is 0.15 to 0.18 times the diameter of the first cutting edge rotation circle surface.
CN202110114576.0A 2021-01-27 2021-01-27 Processing notebook is with opening thick round nose milling cutter Pending CN112846332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110114576.0A CN112846332A (en) 2021-01-27 2021-01-27 Processing notebook is with opening thick round nose milling cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110114576.0A CN112846332A (en) 2021-01-27 2021-01-27 Processing notebook is with opening thick round nose milling cutter

Publications (1)

Publication Number Publication Date
CN112846332A true CN112846332A (en) 2021-05-28

Family

ID=75986855

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110114576.0A Pending CN112846332A (en) 2021-01-27 2021-01-27 Processing notebook is with opening thick round nose milling cutter

Country Status (1)

Country Link
CN (1) CN112846332A (en)

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