CN107855573B - Rail repairs profile milling cutter online - Google Patents
Rail repairs profile milling cutter online Download PDFInfo
- Publication number
- CN107855573B CN107855573B CN201711100082.7A CN201711100082A CN107855573B CN 107855573 B CN107855573 B CN 107855573B CN 201711100082 A CN201711100082 A CN 201711100082A CN 107855573 B CN107855573 B CN 107855573B
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- CN
- China
- Prior art keywords
- blade
- cutter hub
- screw
- tool apron
- cutter head
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- 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
-
- 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
- B23C5/12—Cutters specially designed for producing particular profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses rail to repair profile milling cutter online, it includes cutter hub (1), blade, blade screw-in compression (4) and tool apron, the blade includes circular arc blade (2) and straight sword blade (3), the periphery of the cutter hub is provided with multiple radial positioning faces (23), axial locating surface (21), the cutter hub is also provided with the cutter hub keyway (18) with positioning function, the tool apron includes side tool seat (5) and upper cutter head (6), side tool seat (5) and upper cutter head (6) are in radial positioning face (23), pass through screw group under the limitation of axial locating surface (21) and cutter hub keyway (18) to be anchored on cutter hub (1), the circular arc blade (2) and straight sword blade (3) are anchored in corresponding insert groove (7) by blade screw-in compression (4).Advantage of the invention is the rail top of steel rail working face repaired needed for disposably processing, and effectively increases the quality and efficiency of rail reparation.
Description
Technical field
The present invention relates to Rail Surfaces to repair field, and especially a kind of rail repairs profile milling cutter online.
Background technique
Rail be ensure urban track traffic operation security one of key factor, between wheel track long lasting for,
Frequently, complicated interaction force, Rail Surface can be generated such as the defects of removing, fish scale crackle, scratch, fat edges, undulatory wear,
Adverse effect is brought to safety, stationarity and the comfort in train travelling process.So to rail carry out periodic maintenance,
The efficiency and quality for improving upkeep operation, become the urgent demand of industry.In addition to regularly upkeep operation, every subway line exists
After terminating operation, night can all carry out manual inspection, once discovery Rail Surface existing defects need to handle, then can additionally arrange
Repair.
Country's Rail Surface reparation relies primarily on rail grinding machine at present.More grinding wheel envelopes polishing that rail grinding machine uses
Mode eliminate rail surface defects, repair profile of steel rail, since single pass workload is smaller (maximum only 0.2mm), every subjob
Need to carry out about 7-8 according to line condition all over round-trip operation, and the dust generated in bruting process line environment can be generated compared with
Big pollution.
Summary of the invention
The purpose of the present invention is the shortcomings that overcoming the prior art, and complete steel can disposably be processed by providing one kind
The rail in rail operable profile face repairs profile milling cutter online, so that rail milling vehicle uses moulding by several groups facing cutter
Mode remove rail surface defects, up to 2-3mm, every subjob is only needed to rail milling one time single pass workload maximum
Meet to repair and require, avoid reciprocating operation, has many advantages, such as that operating efficiency is high, precision is high, effect is good, limitation is few, and
Cooperate the automatic filing collector of milling vehicle in operation process, so that repair process guarantees clean environment, rail geometric dimension after operation
It all improves a lot with Rail Surface flatness, finish, the stationarity and safety of train operation can not only be promoted, moreover it is possible to
Wheel track noise is enough reduced, the comfort level of passenger is promoted.
The purpose of the present invention is achieved through the following technical solutions: rail repairs profile milling cutter online, it is characterised in that: institute
Stating milling cutter includes cutter hub, blade, blade screw-in compression and tool apron, and the blade includes circular arc blade and straight sword blade, the knife
The circumference of body is provided with multiple radial positioning faces, axial locating surface, and the cutter hub is additionally provided with the cutter hub key with positioning function
Slot, the tool apron include side tool seat and upper cutter head, and the side tool seat and upper cutter head are in radial positioning face, axial locating surface and knife
Pass through screw group under the limitation of body keyway to be anchored on cutter hub, the circular arc blade and straight sword blade pass through blade screw-in compression
It is anchored in corresponding insert groove, multiple rows of blade, which mutually overlaps, forms complete forming surface cutting edge.
The screw group includes that tool apron housing screw, tool apron barocline screw and tool apron oblique pull screw.
The side tool seat keyway of one indent is arranged at side tool seat bottom, and side tool seat keyway is mounted on key, so that side tool seat
Positioning end face be close to axial locating surface, radial positioning face is close in the positioning bottom surface of side tool seat, and side tool seat compresses spiral shell by tool apron
Nail, the tool apron screw that baroclines are fixed on cutter hub.
The key of one protrusion is arranged at the upper cutter head bottom being mounted on cutter hub, and tool apron convex key is mounted in cutter hub keyway,
Axial locating surface is close in the positioning end face of upper cutter head, and radial positioning face is close in the positioning bottom surface of upper cutter head, and the upper cutter head passes through
Tool apron oblique pull screw is fixed on cutter hub.
The tool apron baroclines between screw and the positioning bottom surface of side tool seat, and there are a ° of angle.
There are a ° of angle between the tool apron oblique pull screw and the fixed position bottom surface of upper cutter head, while tool apron oblique pull screw and knife
There are b ° of angle between body keyway.
It can be seen from the above description that the invention has the following advantages that the multiple rows of blade being mounted on tool apron is mutual
Overlap joint, form complete rail operable profile face cutting edge, in this way can by disposably by Milling Process in a manner of process institute
Need type face.The robust structure of tool apron and cutter hub makes milling cutter in rigid milling, and tool apron is not easy to shake or fall, and rail repairs matter
Measure more stable, the molded line consistency height of rail surface.Compared to original polishing operation mode, after the milling operation, rail geometry
Size and Rail Surface flatness, finish all improve a lot, and also greatly reduce the workload for repairing rail.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention
Fig. 2 is the partial assembled schematic diagram of side tool seat of the present invention and cutter hub
Fig. 3 is the partial assembled schematic diagram of upper cutter head of the present invention and cutter hub
Fig. 4 is the partial assembled schematic diagram of blade of the present invention
Fig. 5 is the schematic diagram of key of the invention
Fig. 6 is the side view of side tool seat of the present invention
Fig. 7 is the side view of upper cutter head of the present invention
Fig. 8 is that blade of the invention overlaps figure
In figure, 1- cutter hub, 2- circular arc blade, 3- straight sword blade, 4- blade pressing screw, 5- side tool seat, 6- upper cutter head,
7- insert groove, 8- chip space, 9- housing screw, 10- tool apron compress counterbore, 11- tool apron collet threaded hole, and 12- tool apron baroclines spiral shell
Nail, 13- tool apron barocline counterbore, and 14- baroclines threaded hole, 15- housing screw, 16- key, and 17- key compresses screw hole, 18- cutter hub keyway,
19- side tool seat keyway, 20- side tool seat position end face, 21- axial locating surface, and 22- side tool seat positions bottom surface, 23- radial positioning
Face, 24- upper cutter head position end face, and 25- upper cutter head positions bottom surface, 26- upper cutter head convex key, 27- oblique hole, 28- oblique slot, 29-
Oblique pull screw, 30- tool apron oblique pull threaded hole, 31- blade overlap molded line.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, but protection scope of the present invention is not limited to following institute
It states.
As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 6, Fig. 8, it is made of cutter hub 1, blade, blade pressing screw 4 and side tool seat 5,
Wherein, the blade includes circular arc blade 2 and straight sword blade 3, and multiple rows of blade is mutually overlapped to form blade overlap joint in space
Molded line 31, forms complete rail operable profile face cutting edge, and cutter hub 1 is fixed on center shaft and with center axis rotation, cutter hub 1
Circumference be provided with several radial positioning faces 23, axial locating surface 21, have screw thread on the radial positioning face 23 of each cutter hub 1
Hole, the circumference of cutter hub 1 are additionally provided with cutter hub keyway 18, and key 16 is fixed in cutter hub keyway 18 by housing screw 15, key 16 with
Side tool seat keyway 19 combines, and plays the role of circumference limit to tool apron 5；Tool apron 5 is placed on knife face, leans on radial positioning face 23, axis
It limits to positioning surface 21 and key 16, and is fixed on cutter hub by 9 tool apron of the tool apron housing screw screw 12 that baroclines, due to knife
Seat baroclines there are a ° of angle between screw 12 and the positioning bottom surface 22 of side tool seat, will generate axial force when compressing in this way, so that
In process, even if receiving the influence of Milling Force, it also can guarantee that axial locating surface 21 is close in the positioning end face 20 of side tool seat,
Radial positioning face 23 is close in the positioning bottom surface 22 of side tool seat, and such the axial of side tool seat, radial direction, circumference are all limited, so that
In rigid milling, tool apron is not easy to shake or fall the milling cutter, and rail repairing quality is more stable, the molded line consistency of rail surface
It is high.
As shown in Fig. 1, Fig. 3, Fig. 7, Fig. 8, it is made of cutter hub 1, blade, blade pressing screw 4 and upper cutter head 6, wherein
The blade includes circular arc blade 2 and straight sword blade 3, and multiple rows of blade is mutually overlapped to form blade overlap joint molded line in space
31, complete rail operable profile face cutting edge is formed, cutter hub 1 is fixed on center shaft and with center axis rotation, the circle of cutter hub 1
It is provided with several radial positioning faces 23, axial locating surface 21 week, has threaded hole, knife on the radial positioning face 23 of each cutter hub 1
The circumference of body 1 is additionally provided with cutter hub keyway 18, and upper cutter head convex key 26 is combined with cutter hub keyway 18, plays circumference limit to upper cutter head 6
The effect of position；Upper cutter head 6 is placed on knife face, is limited by radial positioning face 23, axial locating surface 21 and cutter hub keyway 18, oblique pull spiral shell
Upper cutter head 6 is fixed on cutter hub by nail 29 by oblique slot 28 and oblique hole 27, due to the positioning of oblique pull screw 29 and upper cutter head
There are a ° of angle between bottom surface 25, with cutter hub keyway 17 there are b ° of angle, oblique tightening force will be produced when compressing in this way, so that
In process, even if receiving the influence of Milling Force, it also can guarantee that axial locating surface 21 is close in the positioning end face 24 of upper cutter head, on
Radial positioning face 23 is close in the positioning bottom surface 25 of tool apron, and the axial of such upper cutter head, radial direction, circumference are all limited, so that should
Milling cutter tool apron in rigid milling is not easy to shake or fall, and rail repairing quality is more stable, and the molded line consistency of rail surface is high.
As shown in Fig. 1, Fig. 4, Fig. 8, rail repairs profile milling cutter online, it is by cutter hub 1, blade, 4 groups of blade pressing screw
At, wherein the blade includes circular arc blade 2 and straight sword blade 3, and cutter hub 1 is fixed to be revolved on center shaft and with central axis
Turn；The cutting that Milling Processes produce can be smoothly discharged, reduce in milling process by the chip space 8 being arranged on blade
Secondary abrasion to blade；The circumference of cutter hub 1 is provided with several insert grooves 7, and circular arc blade 2, straight sword blade 3 are separately mounted to pair
Answer in insert groove 7, more lotus root piece blades are mutually overlapped to form blade overlap joint molded line 31 in space, formed the work of complete rail at
Type face cutting edge so that the milling cutter can by disposably by Milling Process in a manner of process required type face, greatly reduce and repair
The workload of multiple rail.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection scope of appended claims of the present invention
It is interior.
Claims (1)
1. rail repairs profile milling cutter online, it is characterised in that: the milling cutter includes cutter hub (1), blade, blade screw-in compression
(4) and tool apron, the blade include circular arc blade (2) and straight sword blade (3), and it is fixed that the circumference of the cutter hub is provided with multiple radial directions
Plane (23), axial locating surface (21), the cutter hub are also provided with the cutter hub keyway (18) with positioning function, the tool apron packet
Side tool seat (5) and upper cutter head (6) are included, the side tool seat (5) and upper cutter head (6) are in radial positioning face (23), axial locating surface
(21) and under the limitation of cutter hub keyway (18), side tool seat (5) by tool apron housing screw (9), tool apron barocline screw (12) by its
It is fixed on cutter hub (1), upper cutter head (6) is fixed on cutter hub (1) by tool apron oblique pull screw (29), the circular arc blade
(2) it is anchored in corresponding insert groove (7) with straight sword blade (3) by blade screw-in compression (4), multiple rows of blade mutually overlaps shape
At complete forming surface cutting edge, the side tool seat keyway (19) an of indent, side tool seat keyway are arranged at side tool seat (5) bottom
(19) it is mounted on key (16), so that axial locating surface (21) are close in the positioning end face (20) of side tool seat (5), side tool seat (5)
It positions bottom surface (22) and is close to radial positioning face (23)；The upper slitter of one protrusion is arranged at upper cutter head (6) bottom being mounted on cutter hub (1)
Seat convex key (26), upper cutter head convex key (26) are mounted in cutter hub keyway (18), and the positioning end face (24) of upper cutter head is close to axial fixed
Radial positioning face (23) are close in plane, the positioning bottom surface (25) of upper cutter head, and the tool apron baroclines the determining of screw (12) and side tool seat
There are a ° of angle between position bottom surface (22), there is folder between the tool apron oblique pull screw (29) and the positioning bottom surface (25) of upper cutter head
A ° of angle, while there are b ° of angle between tool apron oblique pull screw (29) and cutter hub keyway (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100082.7A CN107855573B (en) | 2017-11-09 | 2017-11-09 | Rail repairs profile milling cutter online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711100082.7A CN107855573B (en) | 2017-11-09 | 2017-11-09 | Rail repairs profile milling cutter online |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107855573A CN107855573A (en) | 2018-03-30 |
| CN107855573B true CN107855573B (en) | 2019-04-12 |
Family
ID=61701611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711100082.7A Active CN107855573B (en) | 2017-11-09 | 2017-11-09 | Rail repairs profile milling cutter online |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107855573B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434174A (en) * | 2018-12-24 | 2019-03-08 | 中铁宝桥集团有限公司 | Self-guarded frog fitting surface profile milling cutter |
| CN116103966A (en) * | 2019-05-27 | 2023-05-12 | 百斯图工具制造有限公司 | Rail online repairing milling cutter for railway industry |
| CN111482643A (en) * | 2020-04-28 | 2020-08-04 | 清研锐为(洛阳)轨道交通科技有限公司 | Steel rail milling cutter |
| CN111644676B (en) * | 2020-06-17 | 2021-11-05 | 建湖金洋科技有限公司 | Steel rail on-line repairing milling cutter structure |
| CN113399725A (en) * | 2021-07-28 | 2021-09-17 | 四川广正科技有限公司 | Steel rail milling and grinding cutter, milling and grinding blade life simulation experiment device and experiment method |
| CN113751777A (en) * | 2021-09-09 | 2021-12-07 | 美戈利(浙江)轨道交通研究院有限公司 | Online repair milling cutter for railway track |
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|---|---|---|---|---|
| RU2191095C1 (en) * | 2001-03-26 | 2002-10-20 | Инженерное коммандитное товарищество "Комплекс-Центр-УЗТС Калужский и Компания" | Milling cutter |
| CN201140294Y (en) * | 2008-01-10 | 2008-10-29 | 四川天虎工具有限责任公司 | Mechanically-clamped combined rail external side forming milling cutter |
| CN101786181A (en) * | 2010-03-15 | 2010-07-28 | 四川天虎工具有限责任公司 | U-shaped beveling formed milling cutter with adjustable machine clamp |
| CN201572957U (en) * | 2009-12-30 | 2010-09-08 | 四川天虎工具有限责任公司 | Mechanically-clamped indexable adjustable groove molding combined milling cutter |
| CN201760644U (en) * | 2010-07-21 | 2011-03-16 | 四川天虎工具有限责任公司 | Milling cutter for processing and forming rotary frog spacer block |
| CN203817488U (en) * | 2014-05-04 | 2014-09-10 | 四川广正科技有限公司 | Profiled gang cutter for repairing railway steel rails |
-
2017
- 2017-11-09 CN CN201711100082.7A patent/CN107855573B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2191095C1 (en) * | 2001-03-26 | 2002-10-20 | Инженерное коммандитное товарищество "Комплекс-Центр-УЗТС Калужский и Компания" | Milling cutter |
| CN201140294Y (en) * | 2008-01-10 | 2008-10-29 | 四川天虎工具有限责任公司 | Mechanically-clamped combined rail external side forming milling cutter |
| CN201572957U (en) * | 2009-12-30 | 2010-09-08 | 四川天虎工具有限责任公司 | Mechanically-clamped indexable adjustable groove molding combined milling cutter |
| CN101786181A (en) * | 2010-03-15 | 2010-07-28 | 四川天虎工具有限责任公司 | U-shaped beveling formed milling cutter with adjustable machine clamp |
| CN201760644U (en) * | 2010-07-21 | 2011-03-16 | 四川天虎工具有限责任公司 | Milling cutter for processing and forming rotary frog spacer block |
| CN203817488U (en) * | 2014-05-04 | 2014-09-10 | 四川广正科技有限公司 | Profiled gang cutter for repairing railway steel rails |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107855573A (en) | 2018-03-30 |
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| CB03 | Change of inventor or designer information |
Inventor after: Liang Yuanjie Inventor after: Huang Shaofeng Inventor after: Zhao Caiyun Inventor after: Zhao Jun Inventor after: Liu Qixiu Inventor after: Li Yan Inventor after: Fan Xia Inventor after: Gong Jian Inventor after: Yan Lingchun Inventor after: Zhang Rui Inventor before: Liang Yuanjie Inventor before: Zhao Caiyun Inventor before: Zhao Jun Inventor before: Liu Qixiu Inventor before: Li Yan Inventor before: Fan Xia Inventor before: Gong Jian |