CN103962617A - Multi-station forming milling cutter - Google Patents
Multi-station forming milling cutter Download PDFInfo
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- CN103962617A CN103962617A CN201410212214.5A CN201410212214A CN103962617A CN 103962617 A CN103962617 A CN 103962617A CN 201410212214 A CN201410212214 A CN 201410212214A CN 103962617 A CN103962617 A CN 103962617A
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- cutter body
- rail
- milling cutter
- lower cutter
- upper cutter
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- 238000003801 milling Methods 0.000 title claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 238000003754 machining Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a multi-station forming milling cutter which comprises a long-mandrel shank (1), wherein the milling cutter is provided with an upper cutter body (2) and a lower cutter body (3); an adjusting washer (4) is arranged between the upper and lower cutter bodies (2 and 3); a transmission key is arranged between the upper and lower cutter bodies (2 and 3); the upper and lower cutter bodies (2 and 3) and the adjusting washer (4) are fixed on the long-mandrel shank (1) through connecting bolts (6). By the design and the application of the forming milling cutter, the technical level of numerical control machining of a tongue rail is further improved, the labor intensity is reduced, and a tongue rail machining method is optimized; meanwhile, a new thought is provided for the optimization and the improvement on manufacturing methods for other rails.
Description
Technical Field
The invention relates to a cutter, in particular to a special forming cutter for processing turnout products of a numerical control milling machine.
Background
The processing of switch product tongue is mainly processed by a numerical control milling machine, and the complex outline determines that a numerical control milling cutter must select a forming milling cutter.
In the traditional processing method, the rail head and the rail limb are respectively processed in a forming way, the rail limb is processed firstly, the rail head is processed, and tool changing, lifting and clamping are carried out twice in the processing process.
By investigating the processing process of switch rails of French and German switches and switch rail products of domestic similar manufacturers, the numerical control processing flow of the switch rails is summarized as follows: the first steel rail raw material clamping → the installation of the rail bottom forming milling cutter → the milling of the rail limb → the hoisting and turning of the steel rail → the second steel rail clamping → the installation of the rail limb forming milling cutter → the milling of the rail limb. The entire production process takes approximately 2 hours.
In the prior art, the point rail limb and rail head forming cutter is shown in the following figure, which is a point rail limb forming milling cutter as shown in fig. 1, and a point rail non-working edge forming milling cutter as shown in fig. 2.
In the conventional process of point rail processing, the rail piece clamping mode and the relative position relationship between the rail piece and the cutter are shown in the following figures, fig. 3 is a schematic diagram of rail piece clamping in the rail limb processing process, and fig. 4 is a schematic diagram of rail piece clamping in the rail head processing process.
The rail head and the rail limb are respectively processed in the clamping mode, the electromagnetic chuck at the bottom is matched with the two sides of the rail web for clamping, the reliability of clamping and processing is guaranteed, as shown in fig. 3 and 4, in the processing process of the rail piece, the rail piece needs to be turned over by 180 degrees, and in the processing process, the side jacking tool needs to be repeatedly detached, so that the processing efficiency is seriously influenced.
The steel rail side suction and bottom suction type electro-permanent magnet clamping tool and the hydraulic side top improve the current situation of repeated disassembly of the side top, and the relative position relation between the steel rail and the clamping tool in the side suction and bottom suction type electro-permanent magnet clamping tool is shown in figure 5.
The patent number is 201220524431.4, and the name is "shaping milling cutter", discloses a technical scheme, the tool bit includes first tool bit and second tool bit, first tool bit is connected with the cutter body the second tool bit is connected with the cutter body, the side sword has been seted up on the first tool bit, a plurality of cutting edges have been seted up on the second tool bit. It is characterized in that; the side cutting helix angle is 25-35 degrees. The cutting edge comprises a first cutting edge, a second cutting edge and a third cutting edge. The diameter that the cutting edge includes first cutting edge, second cutting edge and third cutting edge place circle increases in proper order. The diameter of the circle where the first cutter head is located is smaller than that of the circle where the first cutter edge is located. The cutter body and the cutter head are integrally formed. The key protection is the connection between the cutter head and the cutter body and the angle of the cutting edge, and the technical scheme of the invention is not disclosed.
Disclosure of Invention
The invention provides a multi-station forming milling cutter, aiming at solving the problems in the prior art.
The specific technical scheme of the invention is as follows:
multistation shaping milling cutter, it includes long dabber handle of a knife 1, and the cutter body overlength has been solved in the design of long dabber, keeps away from the problem that lathe power head end cutter body shakes, ensures the stable processing of whole cutter body.
The milling cutter is provided with an upper cutter body 2 and a lower cutter body 3, an adjusting gasket 4 is arranged between the upper cutter body 2 and the lower cutter body 3, when a non-working edge and a rail limb of a switch rail are simultaneously machined, in order to ensure the relative position precision of the non-working edge and the rail limb, the relative position precision requirement when the upper cutter body and the lower cutter body are installed is high, in order to realize the adjustability, the adjusting gasket is arranged between the upper cutter body and the lower cutter body, and the proper adjusting gasket is selected according to actual requirements, so that the assembly precision of the upper cutter body and the lower cutter body can be ensured to.
A transmission key is arranged between the upper cutter body 2 and the lower cutter body 3; the upper cutter body 2, the lower cutter body 3 and the adjusting washer 4 are fixed on the long mandrel cutter handle 1 through the connecting bolt 6.
The shape and the contour of the upper cutter body 2 and the lower cutter body 3 are determined by the contour size of a machined workpiece, and the section contours of the upper cutter body and the lower cutter body of the AT rail milling cutter cutters of different types are different.
The section profile of the upper cutter body 2 consists of a vertical line and an oblique line; the section profile of the lower cutter body 3 consists of oblique lines and curves with arcs at the bottom.
The technological process of utilizing side sucking and bottom sucking permanent magnetic fixture to complete the once forming and machining of switch rail includes combining the technological process of machining switch rail including repeated hoisting, repeated clamping, repeated tool changing and repeated machining into once hoisting, once clamping, once tool changing and once machining.
By adopting the technical scheme of the invention, the processing production cycle of the switch rail is greatly improved, the shift yield is doubled, and the labor cost and the energy consumption are greatly reduced.
The design and application of the formed milling cutter can further improve the technical level of switch rail numerical control machining, reduce labor intensity and optimize a switch rail machining process method. Meanwhile, a new idea is provided for optimizing and improving the manufacturing process of other rail parts.
Drawings
Figure 1 shows a prior art point rail limb forming cutter.
Figure 2 shows a prior art point rail non-working edge profile milling cutter.
Fig. 3 is a schematic diagram illustrating rail member clamping in a rail limb processing process in the prior art.
Fig. 4 is a schematic view showing the clamping of rail members in the rail head processing process in the prior art.
Fig. 5 is a schematic diagram illustrating a method for clamping a steel rail by using side suction and bottom suction type electro-permanent magnetic chucks instead in the prior art.
Fig. 6 is a schematic structural view of the multi-station formed milling cutter of the present invention.
Fig. 7 is a schematic structural view of each cross section of a 60D40 point rail.
Fig. 8 is a structural diagram of each section of a 60AT point rail.
Fig. 9 is a structural diagram of each section of a 50AT point rail.
Fig. 1060D40 point rail multi-station profile milling cutter schematic.
Fig. 11 is a schematic view of a 60AT point rail multi-station forming milling cutter.
Fig. 12 is a schematic view of a 50AT point rail multi-station forming milling cutter.
Wherein,
1-long mandrel handle of a knife 2-upper cutter body 3-lower cutter body
4-adjusting washer 5-transmission key 6-connecting bolt
Detailed Description
Fig. 1 and 2 show a prior art point rail limb forming cutter and a non-working edge forming cutter.
Fig. 3 and 4 are schematic diagrams showing rail member clamping in the rail limb processing process and rail member clamping in the rail head processing process in the prior art.
Fig. 5 is a schematic diagram illustrating the clamping of a steel rail by using side-suction and bottom-suction type electro-permanent magnetic chucks in the prior art.
The technical scheme of the invention is to solve the problems in the prior art and provide the one-step clamping and one-step forming multi-station forming milling cutter.
The technical solution of the present invention is further described with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
in the embodiment, the characteristics of the structural design of the 60D40 switch rail, a switch rail clamping tool, a clamping mode and the like are adopted, the side suction type and bottom suction type electro-permanent magnetic clamps are fully utilized, a novel milling cutter is designed, switch rail multi-station forming processing is completed in one-time clamping, and the processing efficiency of the switch rail is improved.
As shown in fig. 6, the multi-station formed milling cutter comprises a long mandrel cutter handle 1, wherein the milling cutter is provided with an upper cutter body 2 and a lower cutter body 3, and an adjusting gasket 4 is arranged between the upper cutter body 2 and the lower cutter body 3; a transmission key is arranged between the upper cutter body 2 and the lower cutter body 3; the upper cutter body 2, the lower cutter body 3 and the adjusting washer 4 are fixed on the long mandrel cutter handle 1 through the connecting bolt 6.
As shown in fig. 7, the position relationship between the tongue limb and the rail head is mostly designed in parallel, according to the basic structure form of the assembly of the tongue and the stock rail, the size of each section non-working edge and each section short limb side rail limb edge of the tongue is a fixed value, and the size of each section non-working edge and each section short limb side rail limb edge of the 60D40 tongue is 19.5.
As shown in figure 10, according to the size relationship between the rail head and the rail limb of the non-working edge of the 60D40 switch rail, the upper cutter body of the milling cutter is designed to be conical, the diameter of the large end is 200mm, the inclination is 1:4, the diameter of the lower cutter body is 150.4mm, and the distance between the upper cutter body and the lower cutter body is 35.75 mm.
The second embodiment is as follows:
in the embodiment, the characteristics of the structural design of the 60AT switch rail, the switch rail clamping tool, the clamping mode and the like are taken into consideration, the side suction type and bottom suction type electro-permanent magnetic clamps are fully utilized, a novel milling cutter is designed, the switch rail multi-station forming processing is completed in one-time clamping, and the processing efficiency of the switch rail is improved.
As shown in fig. 6, the multi-station formed milling cutter comprises a long mandrel cutter handle 1, wherein the milling cutter is provided with an upper cutter body 2 and a lower cutter body 3, and an adjusting gasket 4 is arranged between the upper cutter body 2 and the lower cutter body 3; a transmission key is arranged between the upper cutter body 2 and the lower cutter body 3; the upper cutter body 2, the lower cutter body 3 and the adjusting washer 4 are fixed on the long mandrel cutter handle 1 through the connecting bolt 6.
As shown in FIG. 11, the position relationship between the tongue limb and the rail head is mostly parallel design, and the plane position of the 60AT tongue limb and the rail head has a fixed distance value, according to the basic structure form of the tongue and the stock rail assembly, the size of each section non-working edge and the short limb side rail limb edge of the tongue is a certain value, and as shown in FIG. 8, the size of each section non-working edge and the short limb side rail limb edge of the 60AT tongue is 14.
According to the size relation of the rail head and the rail limb of the non-working edge of the 60AT point rail, the upper cutter body of the designed milling cutter is conical, the diameter of the large end is 225mm, the inclination is 1:4, the diameter of the lower cutter body is 184.5mm, and the distance between the upper cutter body and the lower cutter body is 40.94 mm.
The third concrete embodiment:
in the embodiment, by taking the characteristics of the 50AT switch rail such as structural design, switch rail clamping tool and clamping mode, a novel milling cutter is designed by taking full use of side suction and bottom suction type electro-permanent magnetic clamps into consideration, and switch rail multi-station forming processing is completed in one-time clamping, so that the processing efficiency of the switch rail is improved.
As shown in fig. 6, the multi-station formed milling cutter comprises a long mandrel cutter handle 1, wherein the milling cutter is provided with an upper cutter body 2 and a lower cutter body 3, and an adjusting gasket 4 is arranged between the upper cutter body 2 and the lower cutter body 3; a transmission key is arranged between the upper cutter body 2 and the lower cutter body 3; the upper cutter body 2, the lower cutter body 3 and the adjusting washer 4 are fixed on the long mandrel cutter handle 1 through the connecting bolt 6.
The position relationship between the tongue limb and the rail head is mostly designed in parallel, and the plane positions of the tongue limb and the rail head of the 50AT tongue have fixed distance values, according to the basic structure form of the assembly of the tongue and the stock rail, the size of each section non-working edge and each section side rail limb edge of the tongue are a certain value, as shown in the following figure 9, the size of each section non-working edge and each section side rail limb edge of the 50AT tongue are 15.
As shown in figure 12, according to the size relationship between the rail head and the rail limb of the non-working edge of the 50AT point rail, the upper cutter body of the milling cutter is designed to be cylindrical, the diameter of the milling cutter is 200mm, the diameter of the lower cutter body is 170mm, and the distance between the upper cutter body and the lower cutter body is 20.53 mm.
Claims (6)
1. Multistation shaping milling cutter, it includes long dabber handle of a knife (1), its characterized in that: the milling cutter is provided with an upper cutter body (2) and a lower cutter body (3), and an adjusting washer (4) is arranged between the upper cutter body (2) and the lower cutter body (3); a transmission key is arranged between the upper cutter body (2) and the lower cutter body (3); the upper cutter body (2), the lower cutter body (3) and the adjusting washer (4) are fixed on the long mandrel cutter handle (1) through the connecting bolt (6).
2. The multi-station formed milling cutter according to claim 1, wherein: the outline of the upper cutter body (2) and the outline of the lower cutter body (3) are determined by the outline size of a machined workpiece.
3. The multi-station formed milling cutter according to claim 2, wherein: the section profile of the upper cutter body (2) consists of a vertical line and an oblique line; the section profile of the lower cutter body (3) consists of oblique lines and curves with arcs at the bottom.
4. The multi-station formed milling cutter according to claim 1, wherein: the upper cutter body is conical, the diameter of the large end of the upper cutter body is 200mm, and the inclination is 1: 4; the diameter of the lower cutter body is 150.4mm, and the distance between the upper cutter body and the lower cutter body is 35.75 mm.
5. The multi-station formed milling cutter according to claim 1, wherein: the upper cutter body is conical, the diameter of the large end of the upper cutter body is 225mm, and the inclination is 1: 4; the diameter of the lower cutter body is 184.5mm, and the distance between the upper cutter body and the lower cutter body is 40.94 mm.
6. The multi-station formed milling cutter according to claim 1, wherein: the upper cutter body is cylindrical, the diameter of the upper cutter body is 200mm, the diameter of the lower cutter body is 170mm, and the distance between the upper cutter body and the lower cutter body is 20.53 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212214.5A CN103962617A (en) | 2014-05-19 | 2014-05-19 | Multi-station forming milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212214.5A CN103962617A (en) | 2014-05-19 | 2014-05-19 | Multi-station forming milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103962617A true CN103962617A (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410212214.5A Pending CN103962617A (en) | 2014-05-19 | 2014-05-19 | Multi-station forming milling cutter |
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| Country | Link |
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| CN (1) | CN103962617A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834500A (en) * | 2016-01-29 | 2016-08-10 | 哈尔滨铁路局工业总公司齐齐哈尔工务机械厂 | Split mounting-type alloy steel frog working edge and rail top integral special-purpose milling cutter |
| CN112676629A (en) * | 2020-12-30 | 2021-04-20 | 中铁宝桥集团有限公司 | Special milling cutter for frog combined contour forming |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073337U (en) * | 1989-06-22 | 1991-03-20 | 武进县合金工具厂 | Milling cutter for dovetail grooves forming |
| CN2424852Y (en) * | 2000-05-11 | 2001-03-28 | 张维克 | Milling-cutter for side frame of goods train |
| CN201823994U (en) * | 2010-07-07 | 2011-05-11 | 四川天虎工具有限责任公司 | Paper binding formed cutter with composite board slots |
| CN202428021U (en) * | 2011-12-19 | 2012-09-12 | 綦江齿轮传动有限公司 | Double-inclined-surface synchronous forming milling cutter |
| CN202539656U (en) * | 2012-03-19 | 2012-11-21 | 四川天灵科技有限公司 | Combined formed cutter for spacer iron |
| CN203804300U (en) * | 2014-05-19 | 2014-09-03 | 中铁宝桥（南京）有限公司 | Multi-station forming cutter |
-
2014
- 2014-05-19 CN CN201410212214.5A patent/CN103962617A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073337U (en) * | 1989-06-22 | 1991-03-20 | 武进县合金工具厂 | Milling cutter for dovetail grooves forming |
| CN2424852Y (en) * | 2000-05-11 | 2001-03-28 | 张维克 | Milling-cutter for side frame of goods train |
| CN201823994U (en) * | 2010-07-07 | 2011-05-11 | 四川天虎工具有限责任公司 | Paper binding formed cutter with composite board slots |
| CN202428021U (en) * | 2011-12-19 | 2012-09-12 | 綦江齿轮传动有限公司 | Double-inclined-surface synchronous forming milling cutter |
| CN202539656U (en) * | 2012-03-19 | 2012-11-21 | 四川天灵科技有限公司 | Combined formed cutter for spacer iron |
| CN203804300U (en) * | 2014-05-19 | 2014-09-03 | 中铁宝桥（南京）有限公司 | Multi-station forming cutter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834500A (en) * | 2016-01-29 | 2016-08-10 | 哈尔滨铁路局工业总公司齐齐哈尔工务机械厂 | Split mounting-type alloy steel frog working edge and rail top integral special-purpose milling cutter |
| CN112676629A (en) * | 2020-12-30 | 2021-04-20 | 中铁宝桥集团有限公司 | Special milling cutter for frog combined contour forming |
| CN112676629B (en) * | 2020-12-30 | 2024-06-07 | 中铁宝桥集团有限公司 | Milling cutter special for frog combined profile molding |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20140806 |