CN216028333U - Numerical control processing is with cascaded nose angle end mill - Google Patents
Numerical control processing is with cascaded nose angle end mill Download PDFInfo
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- CN216028333U CN216028333U CN202122075804.6U CN202122075804U CN216028333U CN 216028333 U CN216028333 U CN 216028333U CN 202122075804 U CN202122075804 U CN 202122075804U CN 216028333 U CN216028333 U CN 216028333U
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- milling cutter
- round nose
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- end mill
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Abstract
The utility model discloses a stepped round nose end mill for numerical control machining, which comprises a stepped round nose end mill, a chip removing groove, a cleaning fluid spray hole and a mill base. The utility model has the beneficial effects that: the step round nose milling cutter is provided with four-stage step milling cutter structure, each stage of milling cutter is reduced in equal proportion, the step round nose milling cutter is made of high-carbon steel material, each stage of milling cutter is welded and fixed by adopting a seamless welding technology, a multi-layer trapezoidal structure is formed by the multi-stage milling cutter structure, the integral milling efficiency of the step round nose corner end milling cutter is guaranteed, the integral strength of the step round nose corner end milling cutter is guaranteed, the chip-removing groove is formed in the side wall of the step round nose milling cutter, cleaning liquid spray holes are densely distributed in the inner side wall of the chip-removing groove and provided with cavities, the cleaning liquid spray holes are communicated with the cavities, cleaning liquid is sprayed through the cleaning liquid spray holes, waste chips in the chip-removing groove are washed, and the waste chips are prevented from being accumulated in the chip-removing groove.
Description
Technical Field
The utility model relates to a milling cutter, in particular to a stepped round nose corner end milling cutter for numerical control machining, and belongs to the technical field of cutting tools.
Background
The round nose milling cutter is a milling cutter with arc angles at two sides of a bottom edge, and is different from a ball end mill in that the arc angle values at two ends of the bottom edge of the round nose milling cutter are usually smaller than the diameter value of the edge.
However, most of the existing round nose corner end mills have various problems, and firstly, most of the existing round nose corner end mills do not adopt a stepped structure, so that the working personnel cannot mill grooves with different widths at one time as required, and the working efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a stepped round nose corner end mill for numerical control machining.
The utility model realizes the purpose through the following technical scheme: a stepped round nose angle end mill for numerical control machining comprises a stepped round nose mill; the ladder round nose milling cutter constitutes this round nose angle end mill's major structure, ladder round nose milling cutter's bottom welded fastening has the milling cutter base, the vertical connection in bottom of milling cutter base is fixed with the spliced pole.
As a still further scheme of the utility model: the step round nose milling cutter is provided with four-stage step milling cutter structures, each stage of milling cutter is reduced in equal proportion, the whole step round nose milling cutter is made of high-carbon steel materials, and each stage of milling cutter is welded and fixed by adopting a seamless welding technology.
As a still further scheme of the utility model: the side wall of the stepped round nose milling cutter is provided with a chip removal groove, the chip removal groove is integrally of a spiral structure, cleaning solution spray holes are densely distributed in the inner side wall of the chip removal groove, a cavity is formed in the inner center of the stepped round nose milling cutter and the inner center of the milling cutter base, and the cleaning solution spray holes are communicated with the cavity.
As a still further scheme of the utility model: the milling cutter base is characterized in that limiting grooves are formed in the bottom of the milling cutter base and the top of the connecting column, the limiting grooves are of a semicircular columnar structure, a fixing hole penetrates through the center of the milling cutter base horizontally, a screw hole is formed in the center of the limiting groove in the connecting column in an inwards concave mode, a locking screw is arranged in the fixing hole, and the locking screw and the screw hole are screwed and locked.
As a still further scheme of the utility model: the top of a limiting groove on the stepped round nose milling cutter is provided with two first positioning columns, the bottom of the limiting groove on the connecting column is vertically fixed with two second positioning columns, the bottom of the stepped round nose milling cutter is provided with a first positioning hole, and the top of the connecting column is provided with a second positioning hole.
As a still further scheme of the utility model: be provided with the fixed orifices on the lateral wall of spliced pole, the fixed orifices is the equidistance formula and is provided with threely to be provided with on the inner wall of fixed orifices and twist soon the screw thread.
The utility model has the beneficial effects that: the milling cutter has reasonable design, the stepped round nose milling cutter is provided with four stages of stepped milling cutter structures, each stage of milling cutter is reduced in equal proportion, the whole stepped round nose milling cutter is made of high-carbon steel, each stage of milling cutter is welded and fixed by adopting a seamless welding technology, a multi-stage trapezoidal structure is formed by the multistage milling cutter structures, the whole milling efficiency of the stepped round nose corner end milling cutter is ensured, the whole strength of the stepped round nose corner end milling cutter is also ensured, the side wall of the stepped round nose milling cutter is provided with a chip-removing groove which is wholly in a spiral structure, cleaning solution spray holes are densely distributed on the inner side wall of the chip-removing groove, a cavity is arranged at the inner centers of the stepped round nose milling cutter and the milling cutter base, the cleaning solution spray holes are communicated with the cavity, cleaning solution is sprayed through the cleaning solution spray holes, and then waste chips in the chip-removing groove are washed to prevent the waste chips from being accumulated in the chip-removing groove, the bottom of the milling cutter base and the top of the connecting column are respectively provided with a limiting groove, the limiting grooves are in a semicircular columnar structure, a fixing hole horizontally penetrates through the center of the milling cutter base, a screw hole is formed in the center of the limiting groove on the connecting column in an inwards concave manner, a locking screw is arranged in the fixing hole and is screwed and locked with the screw hole, so that the milling cutter base and the connecting column can be quickly fixed and detached, two first positioning columns are arranged at the top of the limiting groove on the stepped round nose milling cutter, two second positioning columns are vertically fixed at the bottom of the limiting groove on the connecting column, a first positioning hole is formed in the bottom of the stepped round nose milling cutter, a second positioning hole is formed in the top end of the connecting column, so that the milling cutter base and the connecting column can be quickly positioned and butted when butted, the fixing holes are formed in the side wall of the connecting column, the three fixing holes are equidistantly arranged, and screwing threads are arranged on the inner wall of the fixing holes, the connecting column can be fixedly connected with the machine tool through the fixing hole, and the connecting column and the machine tool are fixed to proper length through the fixing hole.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the stepped nose milling cutter of the present invention and its overall structure;
FIG. 3 is a schematic view of the overall structure of the connecting column of the present invention.
In the figure: 1. the step round nose milling cutter comprises a step round nose milling cutter body, 2, a chip removing groove, 3, a cleaning liquid spraying hole, 4, a milling cutter base, 5, a limiting groove, 6, a fixing hole, 7, a first positioning column, 8, a locking screw, 9, a first positioning hole, 10, a connecting column, 11, a second positioning column, 12, a screw hole, 13, second positioning holes, 14 and a fixing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 3, a stepped end mill with round nose for numerical control machining includes a stepped end mill 1 with round nose; the ladder round nose milling cutter 1 constitutes this round nose angle end mill's major structure, the bottom welded fastening of ladder round nose milling cutter 1 has milling cutter base 4, the vertical connection in bottom of milling cutter base 4 is fixed with spliced pole 10.
Furthermore, in the embodiment of the present invention, the stepped round nose end mill 1 is provided with four stages of stepped milling cutter structures, each stage of milling cutter is reduced in equal proportion, the whole stepped round nose end mill 1 is made of a high carbon steel material, each stage of milling cutter is welded and fixed by a seamless welding technology, and a multi-stage milling cutter structure forms a multi-stage trapezoidal structure, so that the whole milling efficiency of the stepped round nose corner end mill is ensured, and the whole strength of the stepped round nose corner end mill is also ensured.
Furthermore, in the embodiment of the utility model, a chip removing groove 2 is formed in the side wall of the stepped round-nose milling cutter 1, the chip removing groove 2 is of a spiral structure as a whole, cleaning solution spray holes 3 are densely distributed in the inner side wall of the chip removing groove 2, a cavity is formed in the inner centers of the stepped round-nose milling cutter 1 and the milling cutter base 4, the cleaning solution spray holes 3 are communicated with the cavity, and cleaning solution is sprayed through the cleaning solution spray holes 3 to flush waste chips in the chip removing groove 2, so that the waste chips are prevented from being accumulated in the chip removing groove 2.
Furthermore, in the embodiment of the present invention, the bottom of the milling cutter base 4 and the top of the connecting column 10 are both provided with a limiting groove 5, the limiting groove 5 is in a semicircular columnar structure, the center of the milling cutter base 4 is horizontally provided with a fixing hole 6 in a penetrating manner, the center of the limiting groove 5 on the connecting column 10 is provided with a screw hole 12 in a concave manner, a locking screw 8 is arranged in the fixing hole 6, and the locking screw 8 and the screw hole 12 are screwed and locked, so that the milling cutter base 4 and the connecting column 10 can be quickly fixed and detached.
Example two
Referring to fig. 1 to 3, a stepped end mill with round nose for numerical control machining includes a stepped end mill 1 with round nose; the ladder round nose milling cutter 1 constitutes this round nose angle end mill's major structure, the bottom welded fastening of ladder round nose milling cutter 1 has milling cutter base 4, the vertical connection in bottom of milling cutter base 4 is fixed with spliced pole 10.
Furthermore, in the embodiment of the present invention, two first positioning columns 7 are disposed at the top of the limiting groove 5 on the stepped round-nose milling cutter 1, two second positioning columns 11 are vertically fixed at the bottom of the limiting groove 5 on the connecting column 10, a first positioning hole 9 is disposed at the bottom of the stepped round-nose milling cutter 1, and a second positioning hole 13 is disposed at the top end of the connecting column 10, so that the milling cutter base 4 and the connecting column 10 can be quickly positioned and butted when butted.
Further, in the embodiment of the present invention, the side wall of the connecting column 10 is provided with three fixing holes 14, the three fixing holes 14 are equidistantly arranged, and the inner wall of the fixing hole 14 is provided with a screw thread, so that the connecting column 10 can be connected and fixed with a machine tool through the fixing holes 14, and the connecting column 10 and the machine tool are fixed to a proper length through the fixing holes 14.
The working principle is as follows: when the milling cutter is used, the milling cutter base 4 and the connecting column 10 are quickly positioned and butted with the positioning hole through the positioning columns, the locking screw 8 penetrates through the fixing hole 6 and is screwed and locked with the screw hole 12, cleaning liquid is injected into an inner cavity of the stepped round nose milling cutter 1 through the second positioning column 11 and is sprayed out through the cleaning liquid spraying hole 3, waste chips in the chip removing groove 2 can be quickly washed, and workers can mill workpieces into holes with different sizes through the stepped round nose milling cutter 1.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A stepped round nose corner end mill for numerical control machining comprises a stepped round nose end mill (1); the method is characterized in that: ladder round nose milling cutter (1) constitutes this round nose angle end mill's major structure, the bottom welded fastening of ladder round nose milling cutter (1) has milling cutter base (4), the vertical connection in bottom of milling cutter base (4) is fixed with spliced pole (10).
2. The stepped rounded nose end mill for numerical control machining according to claim 1, characterized in that: the step round nose milling cutter (1) is provided with four-stage step milling cutter structures, each stage of milling cutter is reduced in equal proportion, the whole step round nose milling cutter (1) is made of high-carbon steel materials, and each stage of milling cutter is welded and fixed by adopting a seamless welding technology.
3. The stepped rounded nose end mill for numerical control machining according to claim 1, characterized in that: be provided with chip groove (2) on the lateral wall of ladder round nose milling cutter (1), chip groove (2) wholly is helical structure, and gathers on the inside lateral wall of chip groove (2) and is provided with washing liquid orifice (3), and the inside center department of ladder round nose milling cutter (1) and milling cutter base (4) is provided with the cavity, and washing liquid orifice (3) link up with the cavity.
4. The stepped rounded nose end mill for numerical control machining according to claim 1, characterized in that: the milling cutter is characterized in that limiting grooves (5) are formed in the bottom of the milling cutter base (4) and the top of the connecting column (10), the limiting grooves (5) are of semicircular columnar structures, a fixing hole (6) penetrates through the center of the milling cutter base (4) horizontally, the center of the limiting groove (5) in the connecting column (10) is provided with a screw hole (12) in an inwards concave mode, a locking screw (8) is arranged in the fixing hole (6), and the locking screw (8) and the screw hole (12) are locked in a screwing mode.
5. The stepped rounded nose end mill for numerical control machining according to claim 1 or 4, characterized in that: the top of a limiting groove (5) on the stepped round nose milling cutter (1) is provided with two first positioning columns (7), the bottom of the limiting groove (5) on the connecting column (10) is vertically fixed with two second positioning columns (11), the bottom of the stepped round nose milling cutter (1) is provided with a first positioning hole (9), and the top of the connecting column (10) is provided with a second positioning hole (13).
6. The stepped rounded nose end mill for numerical control machining according to claim 1, characterized in that: be provided with on the lateral wall of spliced pole (10) fixed orifices (14), fixed orifices (14) are the equidistance formula and are provided with three to be provided with on the inner wall of fixed orifices (14) and twist the screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122075804.6U CN216028333U (en) | 2021-08-31 | 2021-08-31 | Numerical control processing is with cascaded nose angle end mill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122075804.6U CN216028333U (en) | 2021-08-31 | 2021-08-31 | Numerical control processing is with cascaded nose angle end mill |
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| CN216028333U true CN216028333U (en) | 2022-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117773207A (en) * | 2024-02-27 | 2024-03-29 | 常州市卓玛工具有限公司 | Cemented carbide integral stepped conicity vertical milling cutter disc for numerical control machine tool |
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2021
- 2021-08-31 CN CN202122075804.6U patent/CN216028333U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117773207A (en) * | 2024-02-27 | 2024-03-29 | 常州市卓玛工具有限公司 | Cemented carbide integral stepped conicity vertical milling cutter disc for numerical control machine tool |
| CN117773207B (en) * | 2024-02-27 | 2024-05-07 | 常州市卓玛工具有限公司 | Cemented carbide integral stepped conicity vertical milling cutter disc for numerical control machine tool |
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