CN2546123Y - Railway engine stock brake-head face-milling cutter - Google Patents
Railway engine stock brake-head face-milling cutter Download PDFInfo
- Publication number
- CN2546123Y CN2546123Y CN 01209563 CN01209563U CN2546123Y CN 2546123 Y CN2546123 Y CN 2546123Y CN 01209563 CN01209563 CN 01209563 CN 01209563 U CN01209563 U CN 01209563U CN 2546123 Y CN2546123 Y CN 2546123Y
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- China
- Prior art keywords
- milling cutter
- brake head
- cutter
- face
- head profile
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Abstract
The utility model discloses a special brake head profile milling cutter for milling rail vehicles and abrasion surfaces of the vehicle brake head, the milling cutter adopts the vertical milling mode and the rotatable blade form, the cutting surface of the milling cutter is processed to the arc surface which accords with the arc surface of the rail brake head, and the processing of the arc surface of the brake head can be completed by one sumping. The utility model has advantages of good forming of the work piece, low cutting tool cost and stable processing.
Description
The utility model belongs to machining tool, and specifically it is a kind of special-purpose milling cutter that is applicable to railway locomotive, vehicle brake head milling machine processing rolling stock brake head.
The brake head of railway locomotive, vehicle is a main accessory of rolling stock brake, in use can cause very big wearing and tearing or rhegma, needs often processing to repair, and its process is to rebuild with machining tool after the repair welding again.Existing processing method is milling, used cutter is wheel dise knife peace face milling cutters, shortcomings such as the wheel dise knife exists that cutter is huge, manufacturing expense is high, cutter poor rigidity, working (machining) efficiency are low, there are shortcomings such as machining accuracy is poor, working (machining) efficiency is low, tool setting difficulty in plain milling cutter.Overcome above shortcoming, improve the working (machining) efficiency of workpiece significantly, guarantee the crudy of workpiece, alleviate operator's labour intensity, will adopt the profile milling mode, the profile milling is exactly that cutting face molded lines with milling cutter manufactures and the consistent molded lines of workpiece to be machined section molded lines, the milling mode that a feed of work in-process just can finish the Machining Complicated Profile of workpiece, and the profile milling generally is divided into horizontal profile milling and vertical profile milling.Can the key issue of profile milling mode be the manufacturing of profile milling cutter, produce the profile milling cutter that meets the workpiece to be machined complex profile, be the key that use profile Milling Process mode.The cutting molded lines of brake head profile milling cutter is a circular arc line, and also can replace circular arc line with straight line in actual the use, replaces circular arc line can make the manufacturing of cutter oversimplify the manufacturing expense that reduces cutter with straight line.
The purpose of this utility model provides a kind of processing in the vertical milling mode and is exclusively used in railway locomotive, vehicle brake head Milling Process, and the processing molded lines of cutter not only can be a circular arc line but also can be the tailored version face milling cutters of straight line, to overcome the deficiencies in the prior art.
The utility model can be realized by following structure: the utility model is a kind of profile milling cutter that adopts vertical milling mode and indexable insert tip, throw away tip.The utility model has cutter hub, be processed with the cutter hole on cutter hub and row cuts groove, and indexable insert tip, throw away tip is fastened on the cutter hole with screw.Its main points are: an end of brake head profile milling cutter body is a handle of a knife, the cutting face of cutter hub is the billiard table shape sphere or the truncated cone-shaped conical surface, and the bottom surface of billiard table or round platform is perpendicular to the axis of milling cutter, the axis of milling cutter is by the center of circle of billiard table or round platform bottom surface, the radius of its sphere accords with railway locomotive, the arc radius of the employed brake head arc surface of vehicle, the bus of its round platform is the string of a musical instrument of the contained circular arc of billiard table or the straight line that is parallel to the string of a musical instrument, the cutting molded lines of vertical brake head profile milling cutter (cutter hub machinable face is perpendicular to the outline line of milling cutter axis direction projection) is two section circular arcs or two the straight lines about the folder certain angle of straight line symmetry all identical with the large circular arc radius center of circle on an orthodrome about the straight line symmetry, this symmetry axis is exactly the axis of vertical brake head profile milling cutter, and its arc radius accords with railway locomotive, the arc radius of the employed brake head cambered surface of vehicle.The circumferencial direction of milling cutter pressed by the blade of vertical brake head profile milling cutter and width is arranged, and has a slice indexable insert tip, throw away tip at least at the circumferencial direction of the same cutting position of milling cutter.Interrupted circular arc in the cutting molded lines of the utility model cutter hub on same circular arc also can replace with straight line, and condition is that every section straight line is the string of corresponding circular arc or the straight line that is parallel to string.
The utility model also can be realized by following structure: increase the assisted machining face on the basis of above-mentioned brake head profile milling cutter on cutter hub, cutter hub is divided into main cutting face and assisted machining face, main cutting face is used for the part that brake head contacts with brake shoe on the brake head arc surface of milling railway locomotive, vehicles, and the assisted machining face is used to rebuild on railway locomotive, the employed brake head arc surface of vehicle the facade with the both sides of brake shoe contact portion.The width of main cutting face is not less than the width of brake head and brake shoe contact portion on the brake head of railway locomotive, vehicles respectively.The width of assisted machining face is not more than on the brake head of railway locomotive, vehicles the not width of contact portion of brake head and brake shoe respectively.
The utility model also can be realized by another structure: be not with the handle of a knife milling cutter, remove handle of a knife and process the milling cutter installing hole on the basis of the described brake head profile of above several versions milling cutter on cutter hub, by the milling cutter installing hole milling cutter is installed.
The utility model is compared with prior art, has the milling efficiency height, the machining accuracy height, and the cutter vibrations are little, and machine power is little, the durability advantages of higher of blade.
Accompanying drawing has provided embodiment of the present utility model.Further specify concrete structure of the present utility model below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of the utility model brake head profile milling cutter,
Fig. 2 is the cutaway view of the structural representation of the utility model brake head profile milling cutter,
Fig. 3 is the structural representation that the utility model has the brake head profile milling cutter of assisted machining face,
Fig. 4 is the structural representation that the utility model does not have handle of a knife brake head profile milling cutter
In conjunction with Fig. 1～2, brake head profile milling cutter is a handle of a knife 2 at an end of cutter hub 1, are cutting faces 3 of cutter hub 1 at cutter hub 1 with respect to the other end of handle of a knife 2, be processed with cutter hole 4 on the cutting face 3 of cutter hub 1, groove 5 is cut by the row of being processed with on the limit in cutter hole 4, and blade 6 usefulness screws 7 are fastened on the cutter hole 4.The cutting molded lines 8 of vertical brake head profile milling cutter body 1 is on same orthodrome and large circular arc radius, disjunct two sections circular arc lines that the center of circle is all identical, the cutting molded lines 8 of cutter hub 1 also can be on same orthodrome and large circular arc radius, the string of a musical instrument of the disjunct several sections circular arc lines that the center of circle is all identical or be parallel to the straight line of string, the cutting face 3 of brake head profile milling cutter body 1 is the billiard table shape sphere or the truncated cone-shaped conical surface, and the bottom surface of billiard table or round platform is perpendicular to the axis of milling cutter, the axis of milling cutter is by the center of circle of billiard table or round platform bottom surface, the radius of its sphere accords with the arc radius of the employed brake head arc surface of rolling stock, the bus of its round platform is the string of a musical instrument of the contained circular arc of billiard table or the straight line that is parallel to the line string, the cutting molded lines of vertical brake head profile milling cutter is two section circular arcs or two the straight lines about the folder certain angle of straight line symmetry all identical with the large circular arc radius center of circle on an orthodrome about the straight line symmetry, and this symmetry axis is exactly the axis of brake head profile milling cutter.
In conjunction with Fig. 3, the brake head profile milling cutter 9 that has the assisted machining face is to form increasing assisted machining face 11 on the basis of brake head profile milling cutter between main cutting face 10.The main cutting face of cutter hub 10 is used for the part that brake head contacts with brake shoe on the used brake head arc surface of milling rolling stock, and assisted machining face 11 is used to rebuild on the employed brake head arc surface of rolling stock the facade with the both sides of brake shoe contact portion.The width of main cutting face 10 is not less than the width of brake head and brake shoe contact portion on the used brake head of rolling stock, and the width of assisted machining face 11 is not more than on the used brake head of rolling stock the not width of contact portion of brake head and brake shoe.
In conjunction with Fig. 4, no handle of a knife brake head profile milling cutter is to remove handle of a knife to form on the basis that handle of a knife brake head profile milling cutter is arranged, and processes milling cutter installing hole 13 on cutter hub 12, by the milling cutter installing hole milling cutter is installed during use.
The utility model is for the process tool of processing railway vehicle brake head, has machining accuracy The advantage good, that working (machining) efficiency is high and the cutter expense is little.
Claims (5)
1. a railway locomotive, vehicle brake head profile milling cutter, adopt the vertical milling mode, cutting edge adopts the indexable insert tip, throw away tip form, cutter hub is arranged, on cutter hub, be processed with cutter hole and row cuts groove, indexable insert tip, throw away tip is fastened on the cutter hole with screw, it is characterized in that: be divided into and be not with the assisted machining face and have assisted machining face citation form and be not with the handle of a knife supplementary form; The end with assisted machining face brake head profile milling cutter body is not a handle of a knife, the other end with respect to the handle of a knife cutter hub is the cutting face of milling cutter, the cutting face of cutter hub is the billiard table shape sphere or the truncated cone-shaped conical surface, and the bottom surface of billiard table or round platform is perpendicular to the axis of milling cutter, the axis of milling cutter is by the center of circle of billiard table or round platform bottom surface, the radius of its sphere accords with railway locomotive, the arc radius of the employed brake head arc surface of vehicle, the bus of its round platform is exactly the string of a musical instrument of the contained circular arc of billiard table or the straight line that is parallel to the circular arc string of a musical instrument, the cutting molded lines of vertical brake head profile milling cutter is two section circular arcs or two the straight lines about the folder certain angle of straight line symmetry all identical with the large circular arc radius center of circle on an orthodrome about the straight line symmetry, this symmetry axis is exactly the axis of the vertical profile milling cutter of brake head, and the arc radius of cutting molded lines accords with railway locomotive, the arc radius of the employed brake head cambered surface of vehicle; The vertical brake head profile milling cutter that has the assisted machining face is to increase the assisted machining face on not with the basis of the vertical brake head profile milling cutter of assisted machining face to form, and at the middle part in milling cutter cutting face increase assisted machining face, the assisted machining face is higher than main cutting face; The vertical brake head profile of no handle of a knife milling cutter is to remove handle of a knife to form on the basis that the vertical brake head profile of handle of a knife milling cutter is arranged; The blade of vertical brake head profile milling cutter is pressed the circumferencial direction and the width of milling cutter and is arranged.
2. brake head profile milling cutter according to claim 1 is characterized in that: can replace circular arc line in the cutter hub cutting molded lines with straight line, realize processing purpose with the straight line combining form.
3. require 3 described brake head profile milling cutters according to power, it is characterized in that: the brake head profile milling cutter that has the assisted machining face is to increase the assisted machining face on not with the basis of the brake head profile milling cutter of assisted machining face to form, cutter hub is divided into main cutting face and assisted machining face, the main cutting face of milling cutter is used for the part that brake head contacts with brake shoe on the brake head arc surface of milling railway locomotive, vehicles, and the assisted machining face is used to rebuild the facade of the part both sides that brake head contacts with brake shoe on the used brake head arc surface of rolling stock.
4. brake head profile milling cutter according to claim 1 is characterized in that: no handle of a knife brake head profile milling cutter is to remove handle of a knife to form on the basis that handle of a knife brake head profile milling cutter is arranged, and is processed with the milling cutter installing hole on the cutter hub.
5. brake head profile milling cutter according to claim 1 is characterized in that: the circumferencial direction at the same cutting position of milling cutter has a slice indexable insert tip, throw away tip at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01209563 CN2546123Y (en) | 2001-03-24 | 2001-03-24 | Railway engine stock brake-head face-milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01209563 CN2546123Y (en) | 2001-03-24 | 2001-03-24 | Railway engine stock brake-head face-milling cutter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00226725.X Division | 2000-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2546123Y true CN2546123Y (en) | 2003-04-23 |
Family
ID=33629314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01209563 Expired - Fee Related CN2546123Y (en) | 2001-03-24 | 2001-03-24 | Railway engine stock brake-head face-milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2546123Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109277618A (en) * | 2018-10-29 | 2019-01-29 | 北京航天新风机械设备有限责任公司 | A kind of NC cutting tool for the processing of orthodrome ruled surface |
| CN109715327A (en) * | 2016-10-05 | 2019-05-03 | 山特维克知识产权股份有限公司 | Face milling cutter and its tangential cutting insert |
-
2001
- 2001-03-24 CN CN 01209563 patent/CN2546123Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109715327A (en) * | 2016-10-05 | 2019-05-03 | 山特维克知识产权股份有限公司 | Face milling cutter and its tangential cutting insert |
| CN109715327B (en) * | 2016-10-05 | 2020-10-02 | 山特维克知识产权股份有限公司 | Face milling tool and tangential cutting insert therefor |
| CN109277618A (en) * | 2018-10-29 | 2019-01-29 | 北京航天新风机械设备有限责任公司 | A kind of NC cutting tool for the processing of orthodrome ruled surface |
| CN109277618B (en) * | 2018-10-29 | 2024-02-09 | 北京新风航天装备有限公司 | Numerical control cutter for machining large-arc straight line surface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |