CN206622682U - A kind of form cutter disk suitable for rail milling car - Google Patents
A kind of form cutter disk suitable for rail milling car Download PDFInfo
- Publication number
- CN206622682U CN206622682U CN201720314918.2U CN201720314918U CN206622682U CN 206622682 U CN206622682 U CN 206622682U CN 201720314918 U CN201720314918 U CN 201720314918U CN 206622682 U CN206622682 U CN 206622682U
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- CN
- China
- Prior art keywords
- cutter
- blade
- rail
- chip
- cutter head
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- 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.)
- Expired - Fee Related
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- Milling Processes (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model discloses a kind of form cutter disk suitable for rail milling car, the facing cutter includes cutter head, cutter holder and coated chip, circumferentially it is uniformly distributed around the cutter head and fixes cutter holder described in multigroup identical, cutter holder described in every group is installed above the more coated chips, and the coated chip is being arranged in two rows on cutter holder described in every group；The cutter head has attachment means, for being connected with the main shaft of rail milling turnning and milling unit；The coated chip includes the first square blade, and first square blade has default angle with rail outline, and installed in the top of coated chip described in the first row of cutter holder described in every group.The utility model can effectively remove the more serious fat edges occurred on the inside of rail at gauge angle, and to its effective chip breaking, play a part of protecting cutter head and blade；Chip pocket is avoided that the conservative phychology of designer and bigger than normal by finite element simulation design.
Description
Technical field
Tool mechanical manufacture field is the utility model is related to, more particularly, to a kind of shaping milling suitable for rail milling car
Cutterhead.
Background technology
Rail is produced fatigue by horizontal, vertical chronic stress, makes rail plastic deformation, so that profile lateral widening,
It is exactly fat edges.If things go on like this, profile of steel rail and standard profile can be caused to produce deviation, so as to cause and wheel tread contact point
Skew so that light belt is widened or narrowed, or not placed in the middle.
The continuous deterioration of rail level condition and the accumulation of rail head deflection cause wheel-rail contact relationship worse and worse, and rail makes
With service life reduction, the safe for operation of train will be jeopardized when serious.Rail milling car is a kind of brand-new rail repaired item, with biography
The rail repaired item of system compares, milling car have time is short, environmental pollution is small, operating efficiency is high, operating cost is low, make
The advantages that industry limits less, homework precision is high and operation effectiveness is good.Milling car rail is repaired all use first milling after grind
Mode, wherein milling part assume responsibility for the rail reparation amount of the overwhelming majority.Therefore, rail facing cutter cuts part as milling turnning and milling
Execution unit, the quality of its designing quality will directly affect the reparation precision and operating efficiency of rail.
At present, during the automobile-used facing cutter milling fat edges of rail milling, easily formed strip chip and can not chip breaking, and respectively
Cutting tool factory commercial city is rule of thumb to design the shape and size of chip pocket, and such chip pocket size is often due to the guarantor of designer
Keep phychology and bigger than normal.
Utility model content
The utility model is to be directed to above-mentioned the deficiencies in the prior art, and a kind of shaping suitable for rail milling car provided
Facing cutter, the form cutter disk adopt the following technical scheme that：
A kind of form cutter disk suitable for rail milling car, it is characterised in that the facing cutter includes cutter head, cutter holder
And coated chip, circumferentially it is uniformly distributed around the cutter head and fixes cutter holder described in multigroup identical, described in every group on cutter holder
Face is provided with the more coated chips, and the coated chip is being arranged in two rows on cutter holder described in every group；
The cutter head has attachment means, for being connected with the main shaft of rail milling turnning and milling unit；
The coated chip includes the first square blade, and first square blade has default folder with rail outline
Angle, and installed in the top of coated chip described in the first row of cutter holder described in every group.
Further, often arranged on the cutter holder and a chip pocket for being used for chip removal is provided between the coated chip.
Further, the coated chip also includes circular arc blade and the second square blade, coated chip described in first row
Including first square blade, the circular arc blade and second square blade, coated chip described in second row includes institute
Circular arc blade and second square blade are stated, the circular arc blade and second square blade collectively form the cutter head
Design profile, the quantity of the circular arc blade and second square blade determines according to the design profile of the cutter head.
Further, the angle of first square blade and the rail outline is 50 degree of angles.
Further, the position of every coated chip is staggered.
Further, the facing cutter also includes blade retention mechanism, and the coated chip passes through the blade fastening machine
Structure is fixed on the cutter holder.
Further, neck is additionally provided with the cutter head, multiple necks are evenly distributed on the circle of the cutter head
Zhou Shang, the cutter holder bottom are provided with projection, and the projection matches with the neck on the cutter head, described
Projection coordinates with the neck determines the cutter holder in cutter head axial direction and the position of radial direction.
Further, the attachment means on the cutter head include spindle hole and bolt hole, and the spindle hole is arranged on institute
Cutter head center position is stated, it is multiple described for being connected with the main shaft of the rail milling turnning and milling unit for the axis hole of axial direction
Bolt hole is evenly distributed on around the spindle hole.
The utility model has the advantages that：
Due to using above-mentioned technical scheme, compared with existing facing cutter：
First, the first square blade to be formed an angle with rail outline is devised, for removing gauge angle on the inside of rail
Locate the more serious fat edges occurred, and to its effective chip breaking, play a part of protecting cutter head and coated chip；
2nd, it is that the utility model leads to rule of thumb compared with the size and dimension to design chip pocket with each cutting tool factory commercial city
Finite element simulation is crossed, the chip pocket model that facing cutter is established based on chip model is avoided that design to design the chip pocket of facing cutter
The conservative phychology of personnel and it is bigger than normal.
Brief description of the drawings
Fig. 1 is the schematic three dimensional views for the form cutter disk that the utility model is applied to rail milling car；
Fig. 2 is the schematic three dimensional views of cutter head 1 in the utility model；
Fig. 3 is the front view for the form cutter disk that the utility model is applied to rail milling car；
Fig. 4 be Fig. 3 in A-A to sectional view；
Fig. 5 is the installation diagram of one group of cutter holder 2 in the utility model；
Fig. 6 is the illustraton of model of chip pocket 6 in the utility model；
Fig. 7 is one group of cutter holder profiled envelope figure in the utility model.
In figure：
1st, cutter head；2nd, cutter holder；3rd, neck；4th, spindle hole；5th, bolt hole；6th, chip pocket；7th, the first square blade；8th, circle
Arc cutter piece；9th, the second square blade；10th, blade retention mechanism.
Embodiment
In the description of the present application, it is to be understood that the implication of " multiple " refers to two or more, unless separately
There is clearly specific limit.
To reach fully disclosed purpose, the utility model is done further specifically below with reference to drawings and Examples
It is bright.It should be appreciated that specific embodiments described below is only used for explaining the utility model, it is not intended to limit of the present utility model
Protection domain.
The utility model describes a kind of form cutter disk suitable for rail milling car, as Figure 1-5, the shaping milling
Cutterhead includes cutter head 1, cutter holder 2 and coated chip, is circumferentially uniformly distributed around cutter head 1 and fixes multigroup identical cutter holder 2,
Every group of cutter holder 2 is installed above more coated chips, and coated chip is arranged in two rows on every group of cutter holder 2.
There is neck 3, spindle hole 4 and bolt hole 5, as shown in Fig. 2 multiple necks 3 are evenly distributed on wherein on cutter head 1
On the circumference of cutter head 1, and it is uniformly distributed around spindle hole 4, neck 3 is used to determine cutter holder 2 in the radial direction of cutter head 1 and axial direction
Position.Spindle hole 4 is arranged on the center position of cutter head 1, is the axis hole of axial direction, for the main shaft with rail milling turnning and milling unit
It is connected.Multiple bolts hole 5 are evenly distributed on around spindle hole 4, and as shown in Figure 3 and Figure 4, bolt hole 5 is sunk-in through-opening, utilizes master
Form cutter disk is fixed to rail milling turnning and milling by axis hole 4 and the form cutter disk of bolt hole 5 by using ring flange and bolt
On the main shaft of unit.
As shown in figure 5, the bottom of cutter holder 2 is provided with projection, the projection matches with the neck 3 on cutter head 1, should
Projection coordinates with neck 3 determines cutter holder 2 in the axially position with radial direction, and being fixed on cutter holder 2 by screw of cutter head 1
On cutter head 1.The two row's coated chips installed on every group of cutter holder 2, the position of every coated chip is staggered, common structure
Into a complete Design Milling profile.And often arranged on cutter holder 2 and have a chip pocket for being used for chip removal between coated chip
6.The chip pocket 6 is different from each cutter manufacturer in the prior art and rule of thumb designs the size and dimension of chip pocket, but such as
By finite element simulation shown in Fig. 6, the chip pocket model of facing cutter is established based on chip model to design the chip pocket of facing cutter
6, avoid bigger than normal due to the conservative phychology of designer, its cathetus EM, circular arc EF and straight line BF collectively form chip pocket
Section profile, EM and EF are tangential on E points, and BF and EF intersects at F points, and chip model and chip pocket model are tangential on E points and B
Point, further, since facing cutter upper slitter film trap is connected with chip pocket, straight line BF length takes blade thickness to be advisable, chip pocket circular arc
Section EF center is point O.
Coated chip includes the first square blade 7, the square blade 9 of circular arc blade 8 and second, as shown in figure 5, every group of cutter holder
The main distinction of two row's coated chip first rows and second row on 2 is, more first square blades in first row top
7, rail lip cutting and chip breaking are exclusively used in, plays a part of protecting cutter head 1 and coated chip, it is not involved in facing cutter design
The fitting of profile.First square blade 7 has default angle with rail outline, is more convenient for removing fat edges cutting.First row
Coated chip includes the first square blade 7, the square blade 9 of circular arc blade 8 and second, and second row coated chip includes circular arc blade
8 and second square blade 9, the square blade 9 of circular arc blade 8 and second forms the design profile of cutter head 1, circular arc blade 8 and the
The quantity of two square blades 9 determines according to the design profile of cutter head 1, can be one or more, the profiled envelope energy of composition
The purpose for reaching (see Fig. 7) and repairing rail is accurately bonded with Rail Surface.Wherein circular arc blade 8 is used for the milling of rail arc surface
To cut, milling of second square blade 9 for rail upper surface, two row's coated chip positions are staggered on each cutter holder 2,
Collectively form one group of cutter holder profiled envelope fit characteristic.Coated chip of the coated chip as selected hard alloy in the application,
The milling reparation to rail is then more conducive to, can also slow down the abrasion of coated chip.
Coated chip is fixed on cutter holder 2 by blade retention mechanism 10.Blade retention mechanism 10 can be by screw and installation
Pad is formed, and installation pad is arranged between cutter holder 2 and coated chip, is connected coated chip with cutter holder 2 by screw.It can pass through
The height of installation pad regulation coated chip, additionally mounted pad can also reduce abrasion of the coated chip to cutter holder 2, extend cutter holder 2
Use.
Fig. 7 it is apparent show one group of cutter holder blade and rail profile envelope diagram, wherein with rail outline into 50 degree
First square blade 7 of angle is used to remove after facing cutter repairs rail, often occurs at rail gauge angle
Strip fat edges chip, play a part of protecting cutter head 1 and coated chip.
Facing cutter application method provided by the utility model is as follows：Cutter head 1 will be shaped by using ring flange and bolt
Facing cutter is fixed on the main shaft of rail milling turnning and milling unit；The form cutter disk drives milling by rail milling car drive shaft
Cutterhead is rotated up to the purpose that rail is repaired in milling.
Although principle of the present utility model is described in detail above in conjunction with preferred embodiment of the present utility model,
It should be appreciated by those skilled in the art that above-described embodiment is only the explanation to exemplary implementation of the present utility model, and
The non-restriction to the utility model scope.Details in embodiment does not form the limitation to the scope of the utility model,
In the case of without departing substantially from spirit and scope of the present utility model, any equivalent transformation based on technical solutions of the utility model, letter
Single replacement etc. is obvious to be changed, and is all fallen within scope of protection of the utility model.
Claims (8)
1. a kind of form cutter disk suitable for rail milling car, it is characterised in that the facing cutter includes cutter head (1), knife
(2) and coated chip are pressed from both sides, is circumferentially uniformly distributed around the cutter head (1) and fixes cutter holder (2) described in multigroup identical, every group
The cutter holder (2) is installed above the more coated chips, and the coated chip is being arranged in two described in every group on cutter holder (2)
Row；
The cutter head (1) has attachment means, for being connected with the main shaft of rail milling turnning and milling unit；
The coated chip includes the first square blade (7), and first square blade (7) has default with rail outline
Angle, and installed in the top of coated chip described in the first row of cutter holder (2) described in every group.
2. the form cutter disk according to claim 1 suitable for rail milling car, it is characterised in that in the cutter holder
(2) often arranged on and a chip pocket (6) for being used for chip removal is provided between the coated chip.
3. the form cutter disk according to claim 1 or 2 suitable for rail milling car, it is characterised in that the coating
Blade also includes circular arc blade (8) and the second square blade (9), and coated chip described in first row includes first square blade
(7), the circular arc blade (8) and second square blade (9), coated chip described in second row include the circular arc blade
(8) and second square blade (9), the circular arc blade (8) and second square blade (9) collectively form the cutterhead
The quantity of the design profile of body (1), the circular arc blade (8) and second square blade (9) is according to the cutter head (1)
Design profile determines.
4. the form cutter disk according to claim 3 suitable for rail milling car, it is characterised in that described first is square
The angle of blade (7) and the rail outline is 50 degree of angles.
5. the form cutter disk according to claim 3 suitable for rail milling car, it is characterised in that every coating
The position of blade is staggered.
6. the form cutter disk according to claim 3 suitable for rail milling car, it is characterised in that the facing cutter is also
Including blade retention mechanism (10), the coated chip is fixed on the cutter holder (2) by the blade retention mechanism (10).
7. the form cutter disk according to claim 1 suitable for rail milling car, it is characterised in that the cutter head
(1) neck (3) is additionally provided with, multiple necks (3) are evenly distributed on the circumference of the cutter head (1), the cutter holder (2)
Bottom is provided with projection, and the projection matches with the neck (3) on the cutter head (1), the protuberance
Dividing to coordinate with the neck (3) determines the cutter holder (2) in cutter head (1) axial direction and the position of radial direction.
8. the form cutter disk according to claim 1 suitable for rail milling car, it is characterised in that the cutter head
(1) attachment means on include spindle hole (4) and bolt hole (5), and the spindle hole (4) is arranged on the cutter head (1) center
Opening position, for the axis hole of axial direction, for being connected with the main shaft of the rail milling turnning and milling unit, multiple bolts hole (5) are equal
It is even to be distributed in around the spindle hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720314918.2U CN206622682U (en) | 2017-03-29 | 2017-03-29 | A kind of form cutter disk suitable for rail milling car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720314918.2U CN206622682U (en) | 2017-03-29 | 2017-03-29 | A kind of form cutter disk suitable for rail milling car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206622682U true CN206622682U (en) | 2017-11-10 |
Family
ID=60208656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720314918.2U Expired - Fee Related CN206622682U (en) | 2017-03-29 | 2017-03-29 | A kind of form cutter disk suitable for rail milling car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206622682U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356336A (en) * | 2018-02-23 | 2018-08-03 | 中国神华能源股份有限公司 | The method of the contour shape in the cross section of knife grain, change milling cutter, knife grain and rail |
| CN108480732A (en) * | 2018-02-23 | 2018-09-04 | 中国神华能源股份有限公司 | Change the method for the contour shape in the cross section of milling cutter and its cutterhead and rail |
| CN109056434A (en) * | 2018-10-19 | 2018-12-21 | 上海瑞纽机械股份有限公司 | A kind of steel rail welding line milling-grinding equipment |
| CN109604696A (en) * | 2018-09-27 | 2019-04-12 | 基准精密工业（惠州）有限公司 | The facing cutter of milling rail |
| 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 |
| WO2022022323A1 (en) * | 2020-07-31 | 2022-02-03 | 中国铁建高新装备股份有限公司 | Circumferential forming cutter holder-type milling assembly having variable profile angles |
-
2017
- 2017-03-29 CN CN201720314918.2U patent/CN206622682U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356336A (en) * | 2018-02-23 | 2018-08-03 | 中国神华能源股份有限公司 | The method of the contour shape in the cross section of knife grain, change milling cutter, knife grain and rail |
| CN108480732A (en) * | 2018-02-23 | 2018-09-04 | 中国神华能源股份有限公司 | Change the method for the contour shape in the cross section of milling cutter and its cutterhead and rail |
| CN108480732B (en) * | 2018-02-23 | 2021-08-31 | 中国神华能源股份有限公司 | Method for changing profile shape of cross section of milling cutter, cutter head thereof and steel rail |
| CN109604696A (en) * | 2018-09-27 | 2019-04-12 | 基准精密工业（惠州）有限公司 | The facing cutter of milling rail |
| CN109604696B (en) * | 2018-09-27 | 2024-04-16 | 深圳富联精匠科技有限公司 | Milling cutter disc for milling steel rail |
| CN109056434A (en) * | 2018-10-19 | 2018-12-21 | 上海瑞纽机械股份有限公司 | A kind of steel rail welding line milling-grinding equipment |
| WO2022022323A1 (en) * | 2020-07-31 | 2022-02-03 | 中国铁建高新装备股份有限公司 | Circumferential forming cutter holder-type milling assembly having variable profile angles |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171110 Termination date: 20180329 |