CN1006726B - Milling device for welding bead of railway rail bar - Google Patents
Milling device for welding bead of railway rail barInfo
- Publication number
- CN1006726B CN1006726B CN87107259A CN87107259A CN1006726B CN 1006726 B CN1006726 B CN 1006726B CN 87107259 A CN87107259 A CN 87107259A CN 87107259 A CN87107259 A CN 87107259A CN 1006726 B CN1006726 B CN 1006726B
- Authority
- CN
- China
- Prior art keywords
- milling
- rail
- rail bar
- mobile base
- cutter
- 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.)
- Expired
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/002—Milling elongated workpieces
- B23C3/005—Rails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2220/00—Details of milling processes
- B23C2220/20—Deburring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2240/00—Details of connections of tools or workpieces
- B23C2240/16—Welded connections
Abstract
The present invention belongs to equipment for removing welding beads of rail bars, which is used for production lines of long rails of railways. In the present invention, the contour surface of the welding area of a rail bar is divided into three parts; the one-step cutting is respectively carried out on three working positions for finishing a milling task. Milling equipment is mainly composed of a movable base, the rail bar, a positioning and clamping device, an elastic auxiliary positioning device of the rail bar, a crisscross cutting sliding table, a power head, a molding cutter, etc. A complete milling process is automatically finished by the combined control of electricity and hydraulic pressure. The present invention has the advantages of high production efficiency, high processing precision, etc.
Description
The present invention is a kind of milling device of removing welding bead of railway rail bar, is exclusively used on the production line of railway's long rail.
When laying long rail railway, generally be earlier some short rails to be welded into certain length on production line, transport to again and lay the on-the-spot longer rail that is welded into piecemeal.Formed buildup must be removed during for welding.The Japan clear 57-34401 of special permission communique has announced a kind of milling attachment of rail bar welding bead.But this device have one be located at stand on the rail bar, be contained on the stand by weldering rail bar clamping device and the buildup milling attachment that moves relative to the stand top to bottom, left and right, front and rear.This milling attachment is made up of the form cutter of all faces of milling except that the rail bar bottom surface and the bottom surface milling cutter of cutting bottom surface.Form cutter and bottom surface milling cutter are to lean on and the contacted roller in the non-weld zone of rail bar, locate by hydraulic means, be as the location benchmark when being milling with the original contoured surface of rail bar, therefore machining accuracy and finish will be subjected to the influence of the original contoured surface of rail bar, form cutter is installed in spindle nose, and the milling area is bigger again, therefore work in-process easily produces the cutter relieving phenomenon, make crudy be subjected to certain influence, and the milling process of this form cutter comprise that vertically coming and going feeding and bottom and top feed two parts also will make the process-cycle increase.In addition, this device is only applicable to on-the-spot auxilliary establishing, and should not be used on the production line of long rail.
Task of the present invention is exactly to provide a kind of milling device that is exclusively used in the removing rail bar welding bead of long rail production line at above-mentioned weak point of the prior art.
Task of the present invention realizes by following approach.The contoured surface of rail bar weld zone is divided into three parts of rail head and flange of rail plane, rail head and flange of rail side and web of the rail side, on three stations, comes milling with form cutter or plain milling cutter respectively.
The milling device of milling rail head and flange of rail side or milling web of the rail side mainly by mobile base with locking device, be contained in clamping device and being used on the mobile base and send to by the guiding device of weldering rail bar and comprise that the milling attachment etc. of form cutter, crosscut slide unit, rip cutting slide unit and crosscut positioner forms by the weldering rail bar.The knife bar of form cutter adopts double supporting structure, and its upper end combines with main shaft and forms first supporting, and its lower end combines with the supporting base of being located at the crosscut slide unit and forms second supporting, form cutter two support between so that the rigidity of increase cutter.The crosscut positioner of form cutter is made up of the buting iron on buting iron on the crosscut slide unit and the rip cutting slide unit.When shaping milling cutter length feed, two buting iron contact all the time milling cutter are not moved in transverse direction.The course of work of this equipment is: welded rail spare and come from last station conveying, clamping device will be by weldering rail bar clamping and positioning from level and vertical both direction in the non-weld zone of rail bar, form cutter is horizontal then advances, length feed carries out milling again, the milling postforming grade milling cutter that finishes is return original position, the rail bar clamping device unclamps, and is welded rail bar to move to next station again.Led by its guiding device when moving by the weldering rail bar and locate, its objective is generation beat when preventing that rail bar from moving and may break form cutter.When being changed by the length specification of the short rail of weldering, the distance between station also will change, and mobile base moves to corresponding position at this moment, and by locking device with mobile base and ground is fastening combines.
The milling device on milling rail head plane and flange of rail plane mainly by mobile base with locking device, be contained in clamping device and being used on the mobile base and send to by the guiding device of weldering rail bar and comprise the rail head plain milling cutter by the weldering rail bar.The compositions such as milling attachment of flange of rail plain milling cutter and crosscut slide unit.Rail head plain milling cutter and flange of rail plain milling cutter are only done a traverse feed and are got final product during milling.
Below in conjunction with accompanying drawing content of the present invention is described in detail.
Fig. 1 is the schematic diagram of milling rail bar of the present invention weld zone.Wherein Fig. 1 (a) represents milling rail head and flange of rail side, Fig. 1 (b) expression milling web of the rail side, Fig. 1 (c) expression milling rail head plane and and flange of rail plane.
Fig. 2 is the elevation of milling rail bar of the present invention side equipment.
Fig. 3 is the vertical view of Fig. 2.Wherein 43 is electric control systems, the 44th, and the hydraulic control part.
Fig. 4 is the lateral view of Fig. 2.
Fig. 5 is the partial sectional view of A-A position among Fig. 3.
Fig. 6 is the partial sectional view of B-B position among Fig. 3.
Fig. 7 is the milling attachment structure diagram of milling rail head plane of the present invention and flange of rail planar device.
As shown in Figure 1: the present invention is divided into three parts in lower plane, rail head and flange of rail side and web of the rail side with the contoured surface of rail bar weld zone, milling respectively on three stations.Can reduce Milling Force like this, shorten duty cycle.At two profile milling cutters of first station (shown in Fig. 1 (a)) simultaneously from the both sides length feed of rail bar, the two sides of the milling rail head and the flange of rail.(shown in Fig. 1 (b)) two form cutters are simultaneously from the both sides length feed of rail bar in the second station position, milling web of the rail two sides.For the incision that makes milling cutter with cut out the cut channel that the district obtains smooth transition, the initial and end stage form cutter of first station and the second station milling have one laterally with resultant cutting movement longitudinally.Go up plane and flange of rail lower plane on plain milling cutter and the lower plane milling cutter traverse feed simultaneously milling rail head at the 3rd station (shown in Fig. 1 (c)).Above-mentioned three stations all are that one-pass is finished the milling task.
First station is identical with the milling device of second station, and embodiment is provided by Fig. 2～Fig. 6.It has a mobile base 1, at these mobile base upper edge vertical and horizontal two rail bar clamping devices 17 and two milling attachments 6 that welded rail bar is set symmetrically.
As Fig. 2, shown in Figure 3, be provided with roller 3 below the mobile base 1, roller 3 places on the special-purpose track 4.Each side in mobile base 1 is equipped with the locking cylinder 2 that two or more axis tilt.This oil cylinder 2 is done the time spent with the ground sidewall and is imposed horizontal force and downforce for mobile base 1, and mobile base 1 is locked at the desired position.The walking of mobile base 1 realizes by motor 5 driving rollss 3, causes the variation of position while welding when inconsistent to adapt to because by the short rail length of weldering.
Comprised form cutter 7 by the milling attachment 6 of weldering rail bar and by the crosscut slide unit 8 and the rip cutting slide unit 9 of hydraulic control.The main motion parts of form cutter 7 place on the crosscut slide unit 8, are made up of motor 10, gear reduction box 11 and unit head 12.Gear combination relation in the conversion reduction box 11 can make form cutter obtain several different rotating speeds.In order to strengthen the rigidity of form cutter, the knife bar 13 of form cutter 7 has adopted double supporting structure, be that the upper end of knife bar 13 combines with main shaft and forms first supporting, the lower end of knife bar 13 is a taper seat, match and form second supporting with the conical surface supporting base 14 on being located at the crosscut slide unit, form cutter is (see figure 6) between two supportings.Form cutter 7 is combined by the comparatively simple cutterhead of or several shapes, and cutter head adopts the throw away carbide chip.
A fixing buting iron 15 is housed on crosscut slide unit 8, and its front end is a cone.An adjustable buting iron 16 is housed on rip cutting slide unit 9, and its front end is a conical sleeve (see figure 6).Crosscut slide unit 8 can move on rip cutting slide unit 9, horizontally when the front end of buting iron 15,16 contacts advances to stop, and promptly finishes the crosscut location of form cutter.Crosscut slide unit 8 and rip cutting slide unit 9 mobile is to be driven by separately oil cylinder.
The clamping device of rail bar and the guiding device of rail bar are as shown in Figure 5.17 fens levels of the clamping device of rail bar clamp and vertical clamping two parts.Horizontal clamp mechanism is made up of a driving oil cylinder 18, two identical gear drives 19 and locating piece 20.Two gear drives 19 place the rail bar both sides symmetrically, and its output shaft 21 is connected threadably with locating piece 20.Drive tooth bar 22 motions when oil cylinder 18 actions, rotate by gear 23, train 24 drive output shafts 21, move thereby drive locating piece 20, will be clamped, locate by weldering rail bar 25 from both sides, clamping force be by HYDRAULIC CONTROL SYSTEM.Vertical clamp mechanism is made up of seaming chuck 26 and following oil cylinder 27.33 of seaming chuck 26 and frames are for being threaded, and the height of regulating seaming chuck 26 can adapt to the variation of different size rail bar height.
The guiding device 28 of rail bar is located at the both sides of frame 33, it by the screw 31 of the size of spring 29, relocatable spring base 30, regulating spring 29 power and be located at spring base 30 an end and with formed by the roller 32 of weldering rail bar contacts side surfaces, guiding and location when being used to carry by the weldering rail bar, and prevent to be welded rail bar and swing and break form cutter.Roller 32 is clamped web of the rail both sides when carrying by the weldering rail bar, and can make elastic floating with spring base 30, and chucking power is regulated by screw 31.
Fig. 7 has provided the milling attachment of the equipment on milling rail head and flange of rail plane, and all the other (clamping devices that comprise mobile base, rail bar guiding device and welded rail bar) all the equipment with the above-mentioned milling rail head both sides and the web of the rail is identical.The milling attachment of this equipment is located at by a side of weldering rail bar, and it has upper and lower two unit heads 34,35, and each unit head is driven by gear reduction 38,39 by separately motor 36,37 respectively.Plain milling cutter 40,41 is housed on each unit head.During milling, 42 traverse feeds of crosscut slide unit can be finished the slabbing of the rail head and the flange of rail.
Whole milling process of above-mentioned each station are to finish by electric control system 43 and jointly controlling automatically of hydraulic control part 44.
The invention has the advantages that production efficiency is higher, dimensional accuracy height, the surface smoothness of processing are good.
Claims (8)
1, a kind of milling device of removing the rail bar welding bead, has mobile base 1, be located at clamping device that is welded rail bar and the milling attachment 6 of removing welding bead on the mobile base 1, this milling attachment 6 is by the form cutter 7 of milling rail bar two side portions contoured surface, crosscut slide unit 8, the crosscut positioner of rip cutting slide unit 9 and form cutter is formed, on described mobile base 1, be provided with and be used to send to by the guiding device 28 of weldering rail bar and the locking device of mobile base, the knife bar 13 of form cutter 7 has two supportings, form cutter 7 is between two supportings, and the crosscut positioner of profile milling cutter is formed by connecting firmly at buting iron on the crosscut slide unit 15 and the buting iron 16 that connects firmly on the rip cutting slide unit.
2, milling device as claimed in claim 1, the guiding device 28 that it is characterized in that being welded rail bar by the screw 31 of the size of spring 29, relocatable spring base 30, regulating spring 29 power and be located at spring base 30 an end and with formed by the roller 32 of weldering rail bar contacts side surfaces.
3, milling device as claimed in claim 1, the locking device that it is characterized in that mobile base 1 are the oil cylinders 2 that is contained in mobile base 1 side and axis inclination.
4, milling device as claimed in claim 1 is characterized in that form cutter 7 is form cutters of processing rail head side and flange of rail side simultaneously.
5, milling device as claimed in claim 1 is characterized in that form cutter 7 is form cutters of processing web of the rail side.
6, be used for removing on the long rail production line milling device of rail bar welding bead, have mobile base 1, be located at the clamping device of the quilt weldering rail bar on the mobile base and the milling attachment of removing welding bead, this milling attachment is made up of upper and lower plain milling cutter 40,41 and crosscut slide unit 42, is provided with to be used to send to by the guiding device 28 of weldering rail bar and the locking device of mobile base on described mobile base 1.
7, milling device as claimed in claim 6, it is characterized in that guiding device 28 by the screw 31 of the size of spring 29, relocatable spring base 30, regulating spring 29 power and be located at spring base 30 an end and with formed by the roller 32 of weldering rail bar contacts side surfaces.
8, milling device as claimed in claim 6, the locking device that it is characterized in that mobile base 1 are the oil cylinders 2 that is contained in mobile base 1 side and axis inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN87107259A CN1006726B (en) | 1987-12-04 | 1987-12-04 | Milling device for welding bead of railway rail bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN87107259A CN1006726B (en) | 1987-12-04 | 1987-12-04 | Milling device for welding bead of railway rail bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN87107259A CN87107259A (en) | 1988-06-15 |
| CN1006726B true CN1006726B (en) | 1990-02-07 |
Family
ID=4816034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN87107259A Expired CN1006726B (en) | 1987-12-04 | 1987-12-04 | Milling device for welding bead of railway rail bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1006726B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201855987U (en) * | 2010-08-06 | 2011-06-08 | 武汉利德测控技术股份有限公司 | Numerical-controlled milling machine for removing nodes on welded long rail |
| RU2460836C1 (en) * | 2011-05-19 | 2012-09-10 | Открытое акционерное общество Научно-исследовательский и конструкторско-технологический институт подвижного состава (ОАО "ВНИКТИ") | Combined cutter to process rail foot |
| CN102615320B (en) * | 2012-03-21 | 2014-04-16 | 武汉利德测控技术股份有限公司 | Finish-milling numerical control machine tool for steel rail welding seam |
| CN104480814B (en) * | 2014-12-21 | 2016-03-02 | 苏州路云机电设备有限公司 | A kind of internal combustion engine moving stud driver of walking stable |
| CN106041182B (en) * | 2016-06-24 | 2018-01-09 | 深圳市高能精密机械有限公司 | Steel rail welding line numerical finish-milling equipment and finish-milling method |
-
1987
- 1987-12-04 CN CN87107259A patent/CN1006726B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN87107259A (en) | 1988-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| C10 | Entry into substantive examination | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| 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 |