CN106181023B - A kind of rail aluminum weld running gate system - Google Patents
A kind of rail aluminum weld running gate system Download PDFInfo
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- CN106181023B CN106181023B CN201610694511.7A CN201610694511A CN106181023B CN 106181023 B CN106181023 B CN 106181023B CN 201610694511 A CN201610694511 A CN 201610694511A CN 106181023 B CN106181023 B CN 106181023B
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- sand
- crucible
- riser
- plug
- running gate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K23/00—Alumino-thermic welding
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention relates to a kind of rail aluminum weld running gate system, which includes sand mo(u)ld, the crucible body that is arranged above sand mo(u)ld, with the matched crucible cover of crucible body, the shunting plug being arranged inside sand mo(u)ld and bottom plate in sand mo(u)ld bottom is set；The system response crucible and runner system design liquid slagging-off structure, fully consider purification cavity molten steel purity；The system crucible head cover uses aerodynamic arrangement, and the high-temperature gas and blocking high-temperature liquid for dredging reaction consolidate splash；The riser connection of the system sand mo(u)ld bottom two, enhances feeding a casting ability.
Description
Technical field
The present invention relates to rail aluminum weld technical field, specifically a kind of rail aluminum weld running gate system.
Background technology
With the development of railway traffic transport service, the usage amount of rail aluminum weld product is growing day by day；Aluminum weld is
The common method of seamless track steel rail welding, aluminium powder, brown iron oxide and ferroalloy etc. are matched by a certain percentage and are combined into exothermic welding
After high temperature is lighted in Single-use crucible, fierce chemical reaction occurs for agent, releases a large amount of heat, forms high temperature aluminothermy molten steel,
By in the welding sand mold cavity of molten steel injection preheating, high-temperature molten steel passes through specially designed sand mold, melt portions rail end to be welded
Rail to be welded is unified into an entirety by face after cooled and solidified.Aluminum weld have equipment is simple, easy to use, economical and efficient,
Securely and reliably, the advantages that being not required to extraneous power supply is widely used in the welding of gapless track.
Single-use crucible, shunting plug and sand mo(u)ld are three big elements of the running gate system of rail aluminum weld.Single-use crucible
It needs to carry thermit reaction thermal effect at high temperature, ensures that crucible does not rupture bleed-out liquid under severe thermal shock；Do not influence steel rail welding line
Chemical composition, microscopic structure and the mechanical property of metal.Contoured mold die of the sand mold as rail type during cast welding, Welded Joints
Flange of rail quality plays vital influence.Shunting plug reduces percussion of the molten steel to sand mold in the flow direction of guiding molten steel.
In the prior art Single-use crucible using when that there are stability is poor, the safety of welding process is relatively low.Steel in crucible
Liquid only relies on the separation that fluid density difference realizes molten steel and slag liquid.Shunting plug bears greater impact in casting process, in cavity
Internal cause shunting plug guiding molten steel flow direction causes molten steel mutually to hit generation splashing.Sand mold bottom easy tos produce surface pores, influences
The performance of weld seam.
Invention content
For above-mentioned existing rail aluminum weld product, in thermit reaction, there are security risks and MOLTEN STEEL FLOW process
The middle specific slagging-off structure of shortage, and its quality problems of welding point are brought, a kind of rail aluminum weld of present invention offer pours
Injection system.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of rail aluminum weld running gate system, which includes sand mo(u)ld, the crucible body that is arranged above sand mo(u)ld and earthenware
The crucible cover of crucible Ontology Matching, the shunting plug being arranged inside sand mo(u)ld and bottom plate in sand mo(u)ld bottom is set；
The sand mo(u)ld is polyhedral structure；Including top surface, bottom surface and the welding surface being connected between top surface and bottom surface；It is described
Welding surface include two facades；The sand mo(u)ld is equipped with big riser and small riser；Big riser is located at the outside of small riser, and two
A Riser Dimensions are that upper outsole is small, and the small riser is connected by cross gate with the welding surface；Small riser with it is big
Riser is connected in sand mo(u)ld bottom, and the joint face and horizontal plane of small riser and big riser are at 10 ° ~ 60 ° angles；
Crucible body top wall thickness gradually increases；There is multiple arcs recess in the crucible body inner bottom surface,
Bottom center offers taper from fused plug support level, and the multiple arcs sunk structure divides along from fused plug hole center circumferential
Cloth, and arc-shaped recess bottom is tilted to from fused plug hole center position.
The crucible cover is the frustum structure of flaring diameter from top to bottom, and the top of crucible cover is arc arcuate configuration, earthenware
Multiple support arms are along the circumferential direction equipped on the inner wall of crucible lid, and the top of the support arm and the top of crucible cover connect；Institute
It states and is along the circumferential direction equipped with multiple diversion trenches I on the inner wall of crucible cover；Center at the top of crucible cover is equipped with through-hole；The top of crucible cover
Portion's inner surface is equipped with multiple diversion trenches II along through-hole circle distribution.
The shunting plug is central raised both sides recess arcuate structure, and curved surface is smoothly connected, and recess lowest order, which is higher than, to be divided
The height of stream two inclines of plug, shunting plug are located in the cavity of sand mo(u)ld top formation, are fixed and are divided by the ramp structure on sand mo(u)ld top
Stream plug guides molten steel to enter sand mo(u)ld lower part cavity by the gap between inclined-plane and shunting plug.
The big riser cross section is circle, and small riser is ellipse.
The plug hole of the crucible body is located at the top at shunting plug center, makes cast liquid by shunting plug in cast
Uniformly disperse to both sides.
Multiple diversion trenches I are arranged with multiple support arm intervals.
The multiple diversion trench II is arranged with multiple support arm intervals.
Along the circumferential direction be uniformly provided on the inner wall of the crucible cover 4 support arms, 12 diversion trenches I, and support arm with
Angle between both sides adjacent guide slot I is 15 °.
4 support arms, the top inner surface of the crucible cover are along the circumferential direction uniformly provided on the inner wall of the crucible cover
With 4 diversion trenches II being distributed along through-hole even circumferential, and each angle between diversion trench II and support arm is 45 °.
Beneficial effects of the present invention：
Rail aluminum weld running gate system provided by the invention, the system response crucible and runner system design liquid and remove
Slag structure fully considers purification cavity molten steel purity；The system crucible head cover uses aerodynamic arrangement, dredges the high-temperature gas of reaction
Consolidate splash with blocking high-temperature liquid；The riser connection of the system sand mo(u)ld bottom two, enhances feeding a casting ability；
Big riser and small riser are set on sand mo(u)ld, and small riser is connected by cross gate with welding surface；Small riser with it is big
In sand mo(u)ld bottom surface unicom, molten steel branches to both sides sprue channel open by shunting plug and is flowed into cavity riser, and it is miscellaneous to mix gravel etc.
The molten steel of matter flow to sand mo(u)ld bottom and is flowed up to the small riser of both sides with big riser, and medium and small riser is connected to big riser bottom
And section and horizontal plane are oblique at 10 ° ~ 60 °, which can increase the effective area of steel impurities in water floating, reduce flange of rail angle table
The stomata in face, it is ensured that the impurity in molten steel largely crosses the small riser in inside and flowed up through the big riser in outside while providing the flange of rail
Feeding function and reduction flange of rail stress concentration, the middle part of small riser are connected to form cross gate with sand mo(u)ld cavity, and cross gate both included
Running channel effect is acted on comprising riser again, can provide feeding function for rail head side；
Arc-shaped recess structure is set in crucible bottom, and bottom centre opens up taper from fused plug support level structure, arc
The extreme lower position of sunk structure avoids metal waste away from liquid almost all inflow cavity recently, is then ensured from fused plug hole distance；
Arc-shaped recess structure is apsacline structure with horizontal direction, dredges impact force of the thermit reaction to bottom, molten steel is through arc-shaped recess
Structure is uniformly mixed to local convection field, liquid internal each component when being flowed from fused plug hole, is formed, poly- without ingredient after tissue coagulation
Collection, segregation tissue, while waste residue floats conducive to slagging-off in convection process, and due to local convection field, be conducive to reduce molten metal
Unit volume kinetic energy when liquid flows out is conducive to mitigate the impact strength to sand mo(u)ld and shunting plug；Taper is from fused plug structure, accurately
Molten steel delivery time and speed are controlled, the safe class and welding quality of reaction process are improved；
Crucible cover is provided in round frustum structure, and support arm, diversion trench are set on lid pot cover, thermit reaction occurs
When, high-temperature gas and liquid consolidate the impact force that impurity generates crucible cover high speed and high pressure, and this design method can ensure crucible cover
Intensity in thermit reaction fierceness improves Welding Safety performance, simultaneously because the reaction force of impact force, promotes inside crucible
Fluidity molten steel is conducive to slag liquid in molten steel and floats, purifies liquid degree of purity；
Set shunting plug to central raised both sides recess arcuate structure, curved surface is smoothly connected, and recess lowest order, which is higher than, to be divided
The height of stream two inclines of plug, shunting plug are located in running gate system in the cavity that sand mo(u)ld top is formed, and pass through the oblique of sand mo(u)ld top
Face structure fixes shunting plug, guides molten steel to enter sand mo(u)ld lower part cavity by the gap between inclined-plane and shunting plug, molten steel in crucible
When flowing through shunting plug, which can effectively reduce the kinetic energy of aluminothermy molten steel so that and liquid is full of cavity uniformly through ingate,
Alleviate impact force of the liquid to shunting plug simultaneously, decrease washes away shunting plug gravel, reduces the sand content in aluminothermy molten steel, right
It improves welding casting quality and plays important influence；
The outstanding advantages of the present invention are to improve metal liquid uniformity, crystal grain refinement, solidified structure compactness, residue eliminating performance
With Welding Safety, in addition there are it is easy to carry, be hardly damaged, without recycling after use and the advantages that non-environmental-pollution.
Description of the drawings
Fig. 1 schematic structural views of the invention；
Fig. 2 structure of the invention sectional views；
Fig. 3 shunting plug schematic diagrames of the present invention；
Fig. 4 crucible cover schematic diagrames of the present invention；
Fig. 5 crucible body schematic diagrames of the present invention；
Fig. 6 sand mo(u)ld vertical views of the present invention；
Fig. 7 sand mo(u)ld sectional views of the present invention；
Fig. 8 sand mo(u)ld vertical section schematic diagrames of the present invention；
Fig. 9 running gate systems of the present invention pour into a mould schematic diagram one；
Figure 10 running gate systems of the present invention pour into a mould schematic diagram two；
Reference numeral：1, crucible cover, 2, crucible body, 3, shunting plug, 4, sand mo(u)ld, 5, bottom plate, 6, camber head cover, 7, water conservancy diversion
Slot I, 8, support arm, 9, diversion trench II, 10, top, 11, bottom, 12, arc-shaped recess, 13, support level, 14, riser bottom,
15, both sides sprue channel open, 16, small riser, 17, cross gate, 18, big riser, 19, recess arc.
Specific implementation mode
The present invention is further elaborated With reference to embodiment.
As shown in Figure 1 and Figure 2, it is overall structure of the present invention, which includes sand mo(u)ld 4, setting above sand mo(u)ld 4
Crucible body 2, with 2 matched crucible cover 1 of crucible body, the shunting plug 3 that is arranged sand mo(u)ld 4 inside and setting at 4 bottom of sand mo(u)ld
The bottom plate 5 in portion.
As shown in figure 3, for the shunting plug 3 of rail aluminum weld running gate system of the present invention, shunting plug 3 is central raised both sides
Be recessed arcuate structure, and curved surface is smoothly connected, and recess 19 lowest order of arc is higher than shunting plug both sides, and shunting plug 3 is in running gate system
In the cavity that sand mo(u)ld top is formed, shunting plug 3 is fixed by the ramp structure on sand mo(u)ld top, passes through inclined-plane and shunting plug 3
Between gap guiding molten steel enter sand mo(u)ld lower part cavity, when molten steel flows through shunting plug in crucible, which can effectively reduce aluminium
The kinetic energy of hot molten steel so that liquid is full of cavity uniformly through ingate, while alleviating impact force of the liquid to shunting plug, weakens
Shunting plug gravel is washed away, the sand content in aluminothermy molten steel is reduced, important influence is played to improving welding casting quality.
As shown in figure 4, the crucible cover 1 of rail aluminum weld running gate system of the present invention is round frustum structure, section is circle
Shape, upward camber head cover 6 built in crucible cover top.Crucible cover inner wall is uniformly distributed 12 diversion trenches I 7, and support arm 8 is led with adjacent
15 degree of I 7 angle of chute；Head cover inner wall is uniformly distributed 45 degree of 4 diversion trenches II 9, each diversion trench II 9 and 8 angle of support arm；Hair
When cast alumin(i)um thermal response, high-temperature gas and liquid consolidate the impact force that impurity generates crucible cover high speed and high pressure, and this design method can be with
Ensure intensity of the crucible cover in thermit reaction fierceness, improve Welding Safety performance, simultaneously because the reaction force of impact force, promotees
Fluidity molten steel inside into crucible body is conducive to slag liquid in molten steel and floats, purifies liquid degree of purity.
As shown in figure 5, the crucible body 2 of rail aluminum weld running gate system of the present invention, 10 size of top thickeies, and facilitates weldering
The installation for connecing operation is put, 11 thickness of bottom by it is outer and it is interior be gradually reduced, and bottom is uniformly distributed 4 arc-shaped recess 12, and bottom
Portion center opens up taper from fused plug support level 13, and the extreme lower position of arc-shaped recess 12 from fused plug hole distance away from recently, then ensuring
Liquid almost all flows into cavity, avoids metal waste；Arc-shaped recess 12 is apsacline structure with horizontal direction, and it is anti-to dredge aluminothermy
The impact force of bottom is coped with, molten steel, to when being flowed from fused plug hole, forms local convection field through arc-shaped recess structure, and liquid internal is each
Component is uniformly mixed, and without ingredient aggregation, segregation tissue after tissue coagulation, while waste residue floats conducive to slagging-off in convection process, and
Due to local convection field, it is conducive to reduce the unit volume kinetic energy when outflow of molten metal liquid, is conducive to mitigate to sand mo(u)ld and shunting
The impact strength of plug；Taper accurately controls molten steel delivery time and speed from fused plug structure, improves the safe class of reaction process
And welding quality.
It is the sand mo(u)ld 4 of rail aluminum weld running gate system of the present invention, the ontology of the sand mo(u)ld 4 as shown in Fig. 6, Fig. 7, Fig. 8
For polyhedral structure；Include top surface, bottom surface and the welding surface being connected between top surface, bottom surface；The welding surface includes two
A facade；Also there is big riser 18 and small riser 16 on the sand mo(u)ld 4；Big 18 cross section of riser is circle, and small riser 16 is
Ellipse, and the big riser 18 is located at the outside of small riser 16, big riser 18 and 16 size of small riser are that upper outsole is small,
The small riser 16 is connected by cross gate with the welding surface；Small riser 16 connects with big riser 18 in sand mo(u)ld bottom surface
It is logical.Molten steel branches to both sides sprue channel open 15 by shunting plug 3 and is flowed into cavity, and the molten steel for mixing the impurity such as gravel flow to sand
Mould bottom is flowed up to the small riser 16 of both sides with big riser 18, wherein the connection of two side riser bottoms 14 and section and horizontal plane
Oblique at 10 ° ~ 60 °, which can increase the effective area of steel impurities in water floating, reduce the stomata of flange of rail angle surface, it is ensured that
Largely more too small riser 16 flows up through big riser 18 while providing flange of rail feeding function and reduces rail impurity in molten steel
Bottom stress is concentrated.The middle part of small riser 16 is connected to form cross gate 17 with sand mo(u)ld cavity, cross gate 17 not only include running channel effect but also
Including riser acts on, feeding function can be provided for rail head side.
As shown in Figure 9, Figure 10, it is that running gate system of the present invention pours into a mould schematic diagram, the outstanding advantages of this running gate system are to improve
Metal liquid uniformity, crystal grain refinement, solidified structure compactness, residue eliminating performance and Welding Safety, in addition there are it is easy to carry,
It is hardly damaged, is not necessarily to the advantages that recycling and non-environmental-pollution after use.
Claims (9)
1. a kind of rail aluminum weld running gate system, which includes sand mo(u)ld, the crucible body that is arranged above sand mo(u)ld and crucible
The crucible cover of Ontology Matching, the shunting plug being arranged inside sand mo(u)ld and bottom plate in sand mo(u)ld bottom is set, it is characterised in that：
The sand mo(u)ld is polyhedral structure；Including top surface, bottom surface and the welding surface being connected between top surface and bottom surface；The weldering
Junction includes two facades；The sand mo(u)ld is equipped with big riser and small riser；Big riser is located at the outside of small riser, and two emit
Mouth size is that upper outsole is small, and the small riser is connected by cross gate with the welding surface；Small riser and big riser
It is connected in sand mo(u)ld bottom, the joint face and horizontal plane of small riser and big riser are at 10 ° ~ 60 ° angles；
Crucible body top wall thickness gradually increases；There is multiple arcs recess, bottom surface in the crucible body inner bottom surface
Center offers taper from fused plug support level, and the multiple arcs sunk structure is distributed along from fused plug hole center circumferential, and
Arc-shaped recess bottom is tilted to from fused plug hole center position.
2. rail aluminum weld running gate system as described in claim 1, it is characterised in that：The crucible cover is from top to bottom gradually
Expanding frustum structure, and the top of crucible cover is arc arcuate configuration, is along the circumferential direction equipped on the inner wall of crucible cover multiple
Support arm, and the top of the support arm and the top of crucible cover connect；It is along the circumferential direction equipped on the inner wall of the crucible cover
Multiple diversion trenches I；Center at the top of crucible cover is equipped with through-hole；The top inner surface of crucible cover is equipped with along the more of through-hole circle distribution
A diversion trench II.
3. rail aluminum weld running gate system as described in claim 1, it is characterised in that：The shunting plug is central raised
Both sides recess arcuate structure, curved surface are smoothly connected, and recess lowest order is higher than the height of two incline of shunting plug, and shunting plug is located at sand mo(u)ld
In the cavity that top is formed, shunting plug is fixed by the ramp structure on sand mo(u)ld top, is drawn by the gap between inclined-plane and shunting plug
It leads molten steel and enters sand mo(u)ld lower part cavity.
4. rail aluminum weld running gate system as described in claim 1, it is characterised in that：The big riser cross section is circle
Shape, small riser are ellipse.
5. rail aluminum weld running gate system as described in claim 1, it is characterised in that：The plug hole position of the crucible body
Top in shunting plug center makes cast liquid uniformly disperse to both sides in cast by shunting plug.
6. rail aluminum weld running gate system as claimed in claim 2, it is characterised in that：Multiple diversion trenches I with it is more
A support arm interval setting.
7. rail aluminum weld running gate system as claimed in claim 2, it is characterised in that：The multiple diversion trench II with it is multiple
Support arm interval is arranged.
8. rail aluminum weld running gate system as claimed in claim 6, it is characterised in that：The inner wall upper edge of the crucible cover is justified
Circumferential direction is uniformly provided with 4 support arms, 12 diversion trenches I, and the angle between support arm and adjacent guide slot I is 15 °.
9. rail aluminum weld running gate system as claimed in claim 7, it is characterised in that：The inner wall upper edge of the crucible cover is justified
Circumferential direction is uniformly provided with 4 support arms, and the top inner surface of the crucible cover has 4 water conservancy diversion being distributed along through-hole even circumferential
Slot II, and each angle between diversion trench II and support arm is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610694511.7A CN106181023B (en) | 2016-08-22 | 2016-08-22 | A kind of rail aluminum weld running gate system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610694511.7A CN106181023B (en) | 2016-08-22 | 2016-08-22 | A kind of rail aluminum weld running gate system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106181023A CN106181023A (en) | 2016-12-07 |
| CN106181023B true CN106181023B (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610694511.7A Active CN106181023B (en) | 2016-08-22 | 2016-08-22 | A kind of rail aluminum weld running gate system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107081519A (en) * | 2017-07-04 | 2017-08-22 | 国网辽宁省电力有限公司铁岭供电公司 | Household portable external welding device |
| CN114951960A (en) * | 2022-05-17 | 2022-08-30 | 北京中铁科新材料技术有限公司 | Aluminothermic welding sand mould riser and preheating test method |
| CN115094392A (en) * | 2022-07-06 | 2022-09-23 | 天津华瑞新材料科技有限公司 | Preparation method of fine-grain high-density nickel-chromium-aluminum-yttrium-silicon alloy target material |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5715886A (en) * | 1996-04-18 | 1998-02-10 | Erico International Corporation | Single use welding mold and method |
| DE19637282C1 (en) * | 1996-09-13 | 1998-05-20 | Elektro Thermit Gmbh | Process for aluminothermic intermediate casting welding of rails with alloying of the steel casting in the rail head area |
| JP5176310B2 (en) * | 2006-12-04 | 2013-04-03 | 新日鐵住金株式会社 | Rail thermite welding method and long rail |
| CN201109005Y (en) * | 2007-12-14 | 2008-09-03 | 北京中铁科雷威焊接技术有限责任公司 | Sand mould for steel rail aluminothermic welding |
| CN102029486A (en) * | 2009-09-29 | 2011-04-27 | 北京中铁科新材料技术有限公司 | Thermit welding flux for high hardness steel rail and welding method thereof |
| CN201500850U (en) * | 2009-09-29 | 2010-06-09 | 北京中铁科新材料技术有限公司 | Disposable crucible cover used for aluminothermic welding of steel rail |
| CN203045149U (en) * | 2012-11-30 | 2013-07-10 | 中国十九冶集团有限公司南京分公司 | Special exothermic welding mold for coke oven mobile machine track |
| CN103203538B (en) * | 2012-11-30 | 2015-12-23 | 中国十九冶集团有限公司南京分公司 | A kind of thermite welding method being applied to the rail of pusher machine/charging car/coke guide/coke-quenching vehicle track |
| CN203900730U (en) * | 2014-03-13 | 2014-10-29 | 施密特钢轨技术（昆山）有限公司 | Aluminum hot welding sand mold provided with high-temperature-resistant flexible tightly-sealed layers |
| CN205184045U (en) * | 2015-10-10 | 2016-04-27 | 洛阳双瑞橡塑科技有限公司 | Rail aluminium hot welding connects and uses disposable crucible |
| CN206010143U (en) * | 2016-08-22 | 2017-03-15 | 洛阳双瑞橡塑科技有限公司 | A kind of rail aluminum weld running gate system |
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