CN202655704U - Small-diameter mechanical clamped blade bevel milling cutter - Google Patents
Small-diameter mechanical clamped blade bevel milling cutter Download PDFInfo
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- CN202655704U CN202655704U CN 201220229722 CN201220229722U CN202655704U CN 202655704 U CN202655704 U CN 202655704U CN 201220229722 CN201220229722 CN 201220229722 CN 201220229722 U CN201220229722 U CN 201220229722U CN 202655704 U CN202655704 U CN 202655704U
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Abstract
The utility model discloses a small-diameter mechanical clamped blade bevel milling cutter belonging to the field of milling and cutting machining. The milling cutter comprises a cutter bar (1), a regular triangular blade (2) and a fixed screw (3); the upper section and the middle section of a cutter body (1-2) are round tables (1-2-1) with semi-sectioned structures, and the lower section of the cutter body (1-2) is of a circular cone (1-2-2) with a semi-sectioned structure. A first main cutting edge (2-2) and a rotation axis of the cutter form a 45-DEG angle; and the included angle between a plane where a rake face (2-4) is arranged and a first section (1-2-3) is 10 DEG. The distance L2 from a cutter tip to the first section is 1mm, the distance L1 from a projective point of the cutter tip on the plane where the first section is arranged to the rotation axis of the cutter is 2-7mm, and the distance L3 from a projective point of the cutter tip on the first section to a third section is 1mm. The small-diameter mechanical clamped blade bevel milling cutter has the beneficial effect that the minimum radius of the cutter tip of the cutter is only 2mm, and therefore, the whole cutting performance of the cutter can be greatly improved and the expense can be lowered under the same cutting condition.
Description
Technical field
The utility model belongs to the Milling Process field, is specifically related to a kind of minor diameter mechanical clamped cutting blade bevel cutter.
Background technology
In the bogie production process, need Milling Process multiple with turning part in the minor radius of groove, this class part often has the very little groove working position of corner radius, existing mechanical clamped cutting blade bevel cutter radius is excessive or sword is long not enough, can't satisfy this groove to the requirement of small diameter milling knife, and the traditional integral alloy cutter not only involves great expense, resistance to cutting is large, cutting data is little, also damage easily simultaneously, in case whole cutter is scrapped after the breaks down thereupon, and it is loaded down with trivial details to change the cutter process, overall working (machining) efficiency is on the low side, also can't satisfy the requirement of production in enormous quantities.
The utility model content
For in the minor radius that solves existing Milling Process band groove during the part of turning, excessive and the sword of existing mechanical clamped cutting blade bevel cutter diameter is long not enough, and the Integral alloy cutter involves great expense, resistance to cutting is large, cutting data is little, easy integral body is scrapped, so that change the requirement that loaded down with trivial details, the overall working (machining) efficiency of cutter process is on the low side, can't satisfy production in enormous quantities, also can't satisfy processing minor radius size groove to the technical problem of the requirement of small diameter milling knife, the utility model provides a kind of minor diameter mechanical clamped cutting blade bevel cutter.
The technical scheme that the utility model technical solution problem is taked is as follows:
Minor diameter mechanical clamped cutting blade bevel cutter comprises knife bar, equilateral triangle blade and hold-down screw; Knife bar comprises clamped cutting bit handle, cutter hub, blade locating slot and blade fixing threaded hole, and clamped cutting bit handle, cutter hub and blade locating slot are structure as a whole; The epimere of cutter hub and the structure in stage casing are round platforms, and the structure of hypomere is circular cone, and the stage casing of cutter hub and hypomere are and partly cut open structure, its partly cut open part by the first section by the tool rotating shaft line and with the angled α of tool rotating shaft line
1The second section jointly dissect formation, α
1Scope be 90 ~ 120 the degree; Be provided with the excessive angle of arc surface shape between the first section and the second section, the top of circular cone is perpendicular to the 3rd section of tool rotating shaft line, and half of circular cone cone angle is 25 ~ 65 degree; The blade locating slot is located on the first section and is positioned at the right side of tool rotating shaft line, and the blade locating slot is that drift angle is the triangular structures of 60 degree, and this drift angle is provided with circular groove, and the blade fixing threaded hole is located on the bottom surface of blade locating slot and runs through cutter hub;
Equilateral triangle blade comprises point of a knife, the first major cutting edge, centre bore and rake face; Equilateral triangle blade embeds in the blade locating slot; Hold-down screw is fixedly connected with equilateral triangle blade with the blade fixing threaded hole by centre bore with knife bar; Point of a knife is 1mm to the distance L 2 on plane, the first section place, point of a knife the first section subpoint in the plane be 2 ~ 7mm to the distance L 1 of tool rotating shaft line, point of a knife the first section the distance L 3 on plane, the three section place of subpoint to the in the plane be 0.8 ~ 1.5mm, the first major cutting edge the first section Projection Line Segment in the plane become miter angle with the tool rotating shaft line, also can require to be made into 30 degree, 50 degree, 60 degree etc. according to bevel angle; The angle on plane, rake face place and plane, the first section place is 10 degree, and the length of side of equilateral triangle blade is more than or equal to 20mm.
The beneficial effects of the utility model are:
When this minor diameter mechanical clamped cutting blade bevel cutter can meet turning part in the minor radius of Milling Process band groove fully to the processing dimension requirement of minor diameter mechanical clamped cutting blade bevel cutter, can process the bottom that arrives turning groove root in the part minor radius and it is accurately processed, compare with the traditional integral alloy cutter, this cutter can be very easily switches the blade transposition of blunt or more renews blade, has also that resistance to cutting is little, smear metal control is stable, cutting data is large, a perfect heat-dissipating, overall cost is cheap and working (machining) efficiency is high advantage.
Description of drawings
Fig. 1 is the front view of the utility model minor diameter mechanical clamped cutting blade bevel cutter knife bar;
Fig. 2 is the right view of the utility model minor diameter mechanical clamped cutting blade bevel cutter knife bar;
Fig. 3 is the upward view of the utility model minor diameter mechanical clamped cutting blade bevel cutter knife bar;
Fig. 4 is the stereogram of the utility model minor diameter mechanical clamped cutting blade bevel cutter;
Fig. 5 is the front view of the utility model minor diameter mechanical clamped cutting blade bevel cutter;
Fig. 6 is the right view of the utility model minor diameter mechanical clamped cutting blade bevel cutter.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further details.
As shown in Figure 1 to Figure 3, a kind of minor diameter mechanical clamped cutting blade of the utility model bevel cutter comprises knife bar 1, equilateral triangle blade 2 and hold-down screw 3; Knife bar 1 comprises clamped cutting bit handle 1-1, cutter hub 1-2, blade locating slot 1-3 and blade fixing threaded hole 1-4, and clamped cutting bit handle 1-1, cutter hub 1-2 and blade locating slot 1-3 are structure as a whole; The epimere of cutter hub 1-2 and the structure in stage casing are round platform 1-2-1, and the structure of hypomere is circular cone 1-2-2, and the stage casing of cutter hub 1-2 and hypomere are and partly cut open structure, its partly cut open part by the first section 1-2-3 by the tool rotating shaft line and with the angled α of tool rotating shaft line
1The second section 1-2-4 jointly dissect formation, α
1Be 105 the degree; Be provided with the excessive angle 1-2-5 of arc surface shape between the first section 1-2-3 and the second section 1-2-4, the top of circular cone 1-2-2 is perpendicular to the 3rd section 1-2-6 of tool rotating shaft line, half of circular cone 1-2-2 cone angle is 42 degree, the cone angle of circular cone needs to design according to the angle of different grooves to be processed from the angle that blade is placed, and the bottom surface of blade forms support and the first major cutting edge 2-2 can be exposed from blade locating slot 1-3; Blade locating slot 1-3 is located at the first section 1-2-3 upward and is positioned at the right side of tool rotating shaft line, blade locating slot 1-3 is that drift angle is the triangular structure of 60 degree, this drift angle is provided with circular groove 1-3-1, and blade fixing threaded hole 1-4 is located at the bottom center of blade locating slot 1-3 and runs through cutter hub 1-2.
To shown in Figure 6, equilateral triangle blade 2 comprises point of a knife 2-1, the first major cutting edge 2-2, centre bore 2-3 and rake face 2-4 such as Fig. 4; Equilateral triangle blade 2 embeds in the blade locating slot 1-3; Hold-down screw 3 is fixedly connected with equilateral triangle blade 2 with blade fixing threaded hole 1-4 by centre bore 2-3 with knife bar 1; Point of a knife 2-1 is 1mm to the distance L 2 on plane, the first section 1-2-3 place, in order to obtain larger relief angle and guarantee that the workpiece behind the cutter and processing does not interfere in the process; Point of a knife 2-1 the first section 1-2-3 subpoint in the plane be 2mm to the distance L 1 of tool rotating shaft line, so that point of a knife small end radius reaches 2mm, point of a knife 2-1 the first section 1-2-3 the distance L 3 on plane, the three section 1-2-6 place of subpoint to the in the plane be 1mm, so that cutter can be processed the bottom that arrives turning groove root in the workpiece minor radius, the first major cutting edge 2-2 the first section 1-2-3 Projection Line Segment in the plane become miter angle with the tool rotating shaft line; The angle on plane, rake face 2-4 place and plane, the first section 1-2-3 place is 10 degree, in order to obtain larger relief angle.
Just require during the both sides groove of backstop workpiece in the bogie production process as under the processing motor to select a kind of cutting edge inclination be 45 ° and the point of a knife small end radius angle cutting tool of 2.5mm only, the working position that chamfering in the minor radius of many places is also arranged on the riser of backstop about the parts such as riser of motor hanging beam, minor diameter mechanical clamped cutting blade bevel cutter provided by the utility model can satisfy its process requirements fully, and its working (machining) efficiency improves 8 times than original little solid tool.Compare with the Integral alloy cutter, this cutter can be very easily switches the blade transposition of blunt or allowing blade replacement more, has reduced toolsetting downtime, has improved production efficiency.This cutter has also that resistance to cutting is little in addition, smear metal control is stable, cutting data is large, the advantage such as perfect heat-dissipating, long service life, the whole cutting ability of cutter can be under identical machining condition, significantly improved, in the various defectives of avoiding traditional mechanical clamped cutting tool or Integral alloy cutter, also cutter hub material and manufacturing expense thereof can be saved.
Claims (3)
1. a minor diameter mechanical clamped cutting blade bevel cutter comprises knife bar (1), equilateral triangle blade (2) and hold-down screw (3); It is characterized in that: described knife bar (1) comprises clamped cutting bit handle (1-1), cutter hub (1-2), blade locating slot (1-3) and blade fixing threaded hole (1-4), and clamped cutting bit handle (1-1), cutter hub (1-2) and blade locating slot (1-3) are structure as a whole; The epimere of cutter hub (1-2) and the structure in stage casing are round platform (1-2-1), the structure of hypomere is circular cone (1-2-2), the stage casing of cutter hub (1-2) and hypomere are and partly cut open structure, its partly cut open part by the first section (1-2-3) by the tool rotating shaft line and with the angled α of tool rotating shaft line
1The second section (1-2-4) jointly dissect formation, α
1Scope be 90 ~ 120 the degree; Be provided with the excessive angle (1-2-5) of arc surface shape between the first section (1-2-3) and the second section (1-2-4), the top of circular cone (1-2-2) is perpendicular to the 3rd section (1-2-6) of tool rotating shaft line, and half of circular cone (1-2-2) cone angle is 25 ~ 65 degree; Blade locating slot (1-3) is located at the first section (1-2-3) upward and is positioned at the right side of tool rotating shaft line, blade locating slot (1-3) is that drift angle is the triangular structure of 60 degree, this drift angle is provided with circular groove (1-3-1), and blade fixing threaded hole (1-4) is located at the bottom center of blade locating slot (1-3) and runs through cutter hub (1-2);
Described equilateral triangle blade (2) comprises point of a knife (2-1), the first major cutting edge (2-2), centre bore (2-3) and rake face (2-4); Equilateral triangle blade (2) embeds in the blade locating slot (1-3); Hold-down screw (3) is fixedly connected with equilateral triangle blade (2) with blade fixing threaded hole (1-4) by centre bore (2-3) with knife bar (1); Point of a knife (2-1) is 1mm to the distance L 2 on the first section (1-2-3) plane, place, point of a knife (2-1) the first section (1-2-3) subpoint in the plane be 2 ~ 7mm to the distance L 1 of tool rotating shaft line, point of a knife (2-1) the first section (1-2-3) the distance L 3 on three sections of subpoint to the in the plane (1-2-6) plane, place be 0.8 ~ 1.5mm, the first major cutting edge (2-2) the first section (1-2-3) Projection Line Segment in the plane become miter angle with the tool rotating shaft line; The angle on rake face (2-4) plane, place and the first section (1-2-3) plane, place is 10 degree.
2. a kind of minor diameter mechanical clamped cutting blade bevel cutter as claimed in claim 1, it is characterized in that: described equilateral triangle blade (2) length of side is more than or equal to 20mm, point of a knife (2-1) the first section (1-2-3) subpoint in the plane be 2mm to the distance L 1 of tool rotating shaft line.
3. a kind of minor diameter mechanical clamped cutting blade bevel cutter as claimed in claim 1 is characterized in that: described the second section (1-2-4) and tool rotating shaft line angulation α
1105 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220229722 CN202655704U (en) | 2012-05-21 | 2012-05-21 | Small-diameter mechanical clamped blade bevel milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220229722 CN202655704U (en) | 2012-05-21 | 2012-05-21 | Small-diameter mechanical clamped blade bevel milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202655704U true CN202655704U (en) | 2013-01-09 |
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ID=47450637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220229722 Expired - Fee Related CN202655704U (en) | 2012-05-21 | 2012-05-21 | Small-diameter mechanical clamped blade bevel milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202655704U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486583A (en) * | 2017-09-15 | 2017-12-19 | 镇江威尔耐车轮制造有限公司 | Aluminum-alloy wheel engraving milling cutter |
| CN108655426A (en) * | 2018-05-21 | 2018-10-16 | 东莞市精闽科技股份有限公司 | Prize the sled mould position of mould position dedicated tool and its processing |
-
2012
- 2012-05-21 CN CN 201220229722 patent/CN202655704U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486583A (en) * | 2017-09-15 | 2017-12-19 | 镇江威尔耐车轮制造有限公司 | Aluminum-alloy wheel engraving milling cutter |
| CN108655426A (en) * | 2018-05-21 | 2018-10-16 | 东莞市精闽科技股份有限公司 | Prize the sled mould position of mould position dedicated tool and its processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20180521 |