CN203830630U - Guide wheel type die changing device for hot-forging forming of AT rail - Google Patents
Guide wheel type die changing device for hot-forging forming of AT rail Download PDFInfo
- Publication number
- CN203830630U CN203830630U CN201420260003.4U CN201420260003U CN203830630U CN 203830630 U CN203830630 U CN 203830630U CN 201420260003 U CN201420260003 U CN 201420260003U CN 203830630 U CN203830630 U CN 203830630U
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- Prior art keywords
- mould
- framework
- die
- guide wheel
- changing device
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- Expired - Lifetime
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- 238000005242 forging Methods 0.000 title claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims description 10
- 230000001737 promoting effect Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 2
- 238000009415 formwork Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002977 hyperthermial effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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- Forging (AREA)
Abstract
The utility model discloses a guide wheel type die changing device for hot-forging forming of an AT rail. The die exchanging device is composed of a die connecting framework, a die connecting handle, a die changing drive power unit and a formwork ejecting guide wheel mechanism, wherein the die connecting framework is of a closed framework structure, the die connecting handle is arranged on the die connecting framework and is connected with a forging die, and the die changing device is provided with the die changing drive power unit enabling the die to moving horizontally and the formwork ejecting guide wheel mechanism enabling the die connecting framework to move vertically. The guide wheel type die changing device for hot-forging forming of the AT rail has the advantages of being reasonable in structure, easy to use, practical, high in universality, convenient to install and maintain and the like, is suitable for automatic changing of loose piece type dies, and can be widely applied to the field of forging of the heeling end of a steel rail part.
Description
Technical field
The present invention relates to the frock technical field of AT rail hot-forging forming, be specifically related to the guide-roller type mould changing device of hot-forging forming.
Background technology
Rail heel end forges in die change mode at present, has formed for many years two general orientation, but has all had certain drawback.
The patent No. is CN98107800.1, and name is called " steel rail extruding technology using complex blocks ", discloses a kind of extrusion process of using complex blocks.Processing step is as follows: 1, adherence pressure machine, is placed upside down in the rail that is heated to 1050 DEG C in die shoe rail head groove; 2, left and right waist mould is placed on the platform of die shoe, using complex blocks is placed on the work side of waist mould; 3, bed die is placed on the flange of rail of heating rail; 4, press-fitting mould pressurizeing only 2 seconds of pressurize less of 1000～1200t under forcing press; 5, the rail moulding of adherence pressure machine extruding.
The patent No. is 201010239382.5, and name is called " a kind of forging method of AT rail heel end " and discloses a kind of forging method of three station moulding, and it comprises the following steps: one, AT rail is heated to 1160～1250 DEG C in induction furnace; Two, the AT rail after step 1 heating is carried out to forging forming with three station moulds on forcing press, forming step comprises: 1) make the flange of rail become 90 degree with level, the long limb of rail is transported to the first station in forcing press upward, completes the just base process of one-step forming of the web of the rail in the mould die cavity of the first station; 2) AT rail is longitudinally exited from the mould die cavity of the first station, with respect to step 1) the location of rail 90-degree rotation in whens forging and stamping, upward, longitudinally insert in the mould die cavity of the second station in forcing press Rail bottom surface, completes the just base process of one-step forming of the flange of rail; 3) AT rail is longitudinally exited from the mould die cavity of the second station, with respect to step 2) whens forging and stamping location of rail 90-degree rotation, make the state of rail consistent with the first station, longitudinally insert in the mould die cavity of the 3rd station in forcing press, complete the finishing of the pressure-sizing shaping of AT rail; Three,, the AT rail after step 2 forging forming is longitudinally exited from the mould die cavity of the 3rd station, longitudinally insert in the station shaving die die cavity in forcing press and carry out trimming, by step 2 the 3rd) cutting burrs that forms in rail's end portion and bottom of step; Four, AT rail is longitudinally exited from a station shaving die die cavity, make AT rail in rail head upwards, the downward upright position of the flange of rail, AT rail is sent to discharge pedestal position.
But, the die change mode of original loose piece class mould of the prior art, structure is yielding, is subject to mould Effect of Hyperthermic Environment; And three station die change modes, one-time investment is large, and in die change process, workpiece must exit impression, and die change efficiency is low.Composite factor causes rail heel end to forge the development restriction that die change mode is produced track switch.
Summary of the invention
In order to solve the technical problem existing in the die change mode of loose piece class mould in prior art and three station die change modes, the present invention proposes a kind of new guide-roller type mould changing device.
Concrete technical scheme is as follows:
AT rail hot-forging forming guide-roller type mould changing device, described mould changing device is by the connection framework of mould, mould connection handle, die change propulsion power unit, framework jack-up guide wheel mechanism composition.
The connection framework of described mould is closed framework structure, by sealing stressed pattern, eliminate the impact of this reaction force on framework form and position tolerance, mould connection handle is located on mould link, mould connection handle connects forging mold, die shank position arranges reinforcement gusset, improves the stress performance of connecting frame; Described mould changing device is provided with and makes the die change propulsion power unit that die horizontal moves or make mould connect the framework jack-up guide wheel mechanism that framework moves both vertically, and die change propulsion power unit switches AT guide rail between blocking station die and finish-forging station die; Described framework jack-up guide wheel mechanism promotes die change framework, makes it depart from the guide rail upper surface of both sides.
The connection framework of described mould is welded to form by steel plate and I-steel, and described mould link is made up of lower mold holder and die change framework, and lower mold holder is located at the bottom of mould changing device, and die change framework is connected with die change propulsion power unit and framework jack-up guide wheel mechanism.
Described mould connection handle is axle sleeve clip spring structure, and the inside of connection handle is provided with back-moving spring; Described mould connection handle is provided with eight, and every four facing each other is one group, and wherein one group of mould connection handle connects blocking working position mould, and another group mould connects finish-forging working position mould; Described blocking working position mould and finish-forging working position mould are positioned in same level.
Described framework jack-up guide wheel mechanism forms by vertically promoting oil cylinder, movable frames and guide wheel, vertically promotes oil cylinder and connects lower mold holder and movable frames, and movable frames is provided with guide wheel, and guide wheel is connected with die change framework.
Described die change propulsion power unit is made up of Level Promoting oil cylinder, Level Promoting oil cylinder connecting mold link die change framework.
Adopt technical solution of the present invention, promote existing railroad turnout steel rail part heel end forging equipment and technical merit, reach object stable and that promote track switch product quality, extend automatic mould changing device Acceptable life, enhance productivity.
Described die change propulsion power unit is made up of Level Promoting oil cylinder, and Level Promoting oil cylinder connects die change framework, and die change framework can move along the guide wheel in movable frames.
Rational in infrastructure, simple and practical, highly versatile, the feature such as convenient for installation and maintenance, is applicable to the automatic mold-change of loose piece class mould, can be widely used in rail part heel end and forge field.
Brief description of the drawings
Fig. 1 is the mould connection handle structure chart of AT rail hot-forging forming guide-roller type mould changing device of the present invention.
Fig. 2 is the Guiding wheel structure schematic diagram of the die change framework of AT rail hot-forging forming guide-roller type mould changing device of the present invention.
Fig. 3 is the mould changing device schematic diagram of AT rail hot-forging forming guide-roller type mould changing device of the present invention.
Wherein: 1-mould connects framework; 2-mould connection handle
11-vertically promotes oil cylinder; 5-framework jack-up guide wheel.
12-die change guider; 2-mould connection handle; 3-die change framework; 4-forging mold; 6-lower mold holder; 7-press bench; The horizontal die change of 8-promotes oil cylinder; 9-adjusts backing plate; 10-moves horizontally guide post.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, specific embodiments of the invention are further described.
AT rail hot-forging forming guide-roller type mould changing device is mainly divided into four major parts, is respectively the connection framework 1 of blocking, finish-forging die, mould connection handle 2, and horizontal die change promotes oil cylinder 8, framework jack-up guide wheel mechanism.
As shown in Figure 1, the connection framework 1 of blocking, finish-forging die is welded by steel plate and I-steel, adopt the stressed framework design of sealing, and at die shank position, reinforcement gusset is set, improve the stress performance of connecting frame, make mould pushing-and-pulling reaction force reasonable distribution in connecting framework, by sealing stressed pattern, eliminate the impact of this reaction force on framework form and position tolerance; Die change framework is set up cooling water channel, the framework position coming in contact with the mould of hot operation is assisted cooling, ensure its connect stress not Yin Wendu compared with high and failure phenomenon occurs.
As shown in Figure 1, mould connection handle, adopts the design of axle sleeve clip spring structure, and mould connection handle 2 is fixedly mounted on and connects on framework 1, and inside arranges back-moving spring, and spring pre-tightening is installed, to reach the object of tension mould.
Mould changing device designs 8 connection handles 2 altogether, every 4 unit, and totally 2 unit, are responsible for respectively connecting forging mold 4, and forging mold 4 comprises the work mould of fixing blocking station, finish-forging station.Wherein the work mould of blocking station and the work mould of finish-forging station are located at side by side mould and are connected on framework 1, promote, under the promotion of oil cylinder, to realize the switching of blocking station and finish-forging station at horizontal die change.
Die change promotes oil cylinder power unit, is included as mould link getaway plane the Vertical Cylinders group of power is provided, and provide the cross cylinder of power group for the Switch of working position of mould moves.
As shown in Figure 2, the Guiding wheel structure of die change framework, adopt roller principle of confounding, by 6 jack-up guide wheels, 5 jack-up die change frameworks 3, make it depart from the guide rail upper surface of both sides, the mobile status of die change framework 3 is become to dyanainic friction from static friction, change horizontal die change promotion oil cylinder 8 by 2 groups die change framework 3 is moved to mold work position, reach the object that significantly reduces by 3 translatory resistances of die change framework, thereby improve mould changing device overall structure stability, improve service life.The vertical oil cylinder 11 that promotes promotes movable frames and jack-up guide wheel 5.
As shown in Figure 3, AT rail hot-forging forming guide-roller type mould changing device, mould changing device comprises lower mold holder 6, lower mold holder 6 is located at the bottom of mould changing device, lower mold holder is provided with press bench 7, horizontal die change promotes oil cylinder 8 and is located on pressure gauge workbench 7, and horizontal die change promotes oil cylinder 8 and moves horizontally along moving horizontally guide post 10, and mould changing device is also provided with die change guider 12.Die change framework 3 is provided with adjusts backing plate 9.
Claims (5)
1.AT rail hot-forging forming guide-roller type mould changing device, is characterized in that: described mould changing device is by the connection framework of mould, mould connection handle, die change propulsion power unit, framework jack-up guide wheel mechanism composition; The connection framework of described mould is closed framework structure, and mould connection handle is located on mould link, and mould connection handle connects forging mold; Described mould changing device is provided with and makes the die change propulsion power unit that die horizontal moves and make mould connect the framework jack-up guide wheel mechanism that framework moves both vertically.
2. AT rail hot-forging forming guide-roller type mould changing device according to claim 1, it is characterized in that: the connection framework of described mould is welded to form by steel plate and I-steel, described mould link is made up of lower mold holder and die change framework, lower mold holder is located at the bottom of mould changing device, and die change framework is connected with die change propulsion power unit or framework jack-up guide wheel mechanism.
3. AT rail hot-forging forming guide-roller type mould changing device according to claim 1, is characterized in that: described mould connection handle is axle sleeve clip spring structure, and the inside of connection handle is provided with back-moving spring; Described mould connection handle is provided with eight, and every four facing each other is one group, and wherein one group of mould connection handle connects blocking working position mould, and another group mould connects finish-forging working position mould; Described blocking working position mould and finish-forging working position mould are positioned in same level.
4. AT rail hot-forging forming guide-roller type mould changing device according to claim 2, it is characterized in that: described framework jack-up guide wheel mechanism forms by vertically promoting oil cylinder, movable frames and guide wheel, the vertical oil cylinder that promotes connects lower mold holder and movable frames, movable frames is provided with guide wheel, and guide wheel is connected with die change framework.
5. AT rail hot-forging forming guide-roller type mould changing device according to claim 1, it is characterized in that: described die change propulsion power unit is made up of Level Promoting oil cylinder, Level Promoting oil cylinder connects die change framework, and die change framework can move along the guide wheel in movable frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260003.4U CN203830630U (en) | 2014-05-20 | 2014-05-20 | Guide wheel type die changing device for hot-forging forming of AT rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420260003.4U CN203830630U (en) | 2014-05-20 | 2014-05-20 | Guide wheel type die changing device for hot-forging forming of AT rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203830630U true CN203830630U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420260003.4U Expired - Lifetime CN203830630U (en) | 2014-05-20 | 2014-05-20 | Guide wheel type die changing device for hot-forging forming of AT rail |
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| Country | Link |
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| CN (1) | CN203830630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962490A (en) * | 2014-05-20 | 2014-08-06 | 中铁宝桥（南京）有限公司 | AT rail hot forging formation guide wheel type die changing device |
-
2014
- 2014-05-20 CN CN201420260003.4U patent/CN203830630U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962490A (en) * | 2014-05-20 | 2014-08-06 | 中铁宝桥（南京）有限公司 | AT rail hot forging formation guide wheel type die changing device |
| CN103962490B (en) * | 2014-05-20 | 2016-02-03 | 中铁宝桥（南京）有限公司 | AT rail hot-forging forming guide-roller type mould changing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |