CN104028697B - A kind of laying method of running gate system - Google Patents

A kind of laying method of running gate system Download PDF

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Publication number
CN104028697B
CN104028697B CN201410237199.XA CN201410237199A CN104028697B CN 104028697 B CN104028697 B CN 104028697B CN 201410237199 A CN201410237199 A CN 201410237199A CN 104028697 B CN104028697 B CN 104028697B
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China
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gate
ingate
porcelain tube
positioning table
cross gate
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CN201410237199.XA
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CN104028697A (en
Inventor
何启良
闫新飞
杨建�
马发仁
唐钟雪
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Kocel Steel Foundry Co Ltd
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Kocel Steel Foundry Co Ltd
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Abstract

The present invention relates to the laying method of a kind of running gate system in casting technology field, it first fixes some cast gate positioning tables on work top; Then above work top, arrange hoisting bracket, on the downside of hoisting bracket, install cross gate, cross gate outlet porcelain tube mouth engagement sleeves is contained in outside cast gate positioning table; Turnover mould makes ingate upwards, and plug-in mounting ingate porcelain tube on each ingate, makes the upper surface of ingate porcelain tube be positioned in same level; When quicksand is to ingate porcelain tube position of upper, strike off; Lifting hoisting bracket is placed on the upside of mould again, makes ingate porcelain tube and cross gate export the socket connection of porcelain tube one_to_one corresponding, cross gate import is connected with the sprue of peripheral hardware; Quicksand again, dismantles hoisting bracket when sanding flat cross gate position, continues quicksand moulding, is finally overturn by sand mold, completes laying.The present invention can rapid build running gate system, and good seal between porcelain tube, casting quality is better.The method is applicable in the production of bottom pour mold formula foundry goods.

Description

A kind of laying method of running gate system
Technical field
The present invention relates to a kind of laying method of running gate system, particularly a kind of laying method of running gate system of large-scale steel-casting.
Background technology
Large-scale steel-casting is when casting Technology Design, consider the impact to fuse, die cavity and minimizing molten steel oxidation, generally all adopt bottom gating, molten steel is allowed to flow into casting mold die cavity from foundry goods bottommost, and by the size and number of technology Calculation and analog selection cast gate and sprue, in order to ensure that molten steel is steady in cavity filling process, the volume gas that minimizing turbulent flow brings and splashing, require that the laying of cross gate must be smooth; Because the size of heavy castings and tonnage are all very large, in casting process, the hydrostatic head of molten steel is very large, if running gate system intensity is low, easily causes sand washing or runout.
In actual modeling process, the laying of running gate system is all lay in moulding quicksand process, stops quicksand, then lay running gate system when molding sand flows to a certain degree.Because large-scale steel-casting ingate quantity is many, running gate system is complicated, and the pot life of resin sand only has 40 minutes, and this will cause running gate system lay-up operation not meticulous to a great extent.Directly cause running gate system in process of deployment, there is cross gate and the problem such as not flow in running channel at same plane, loose sand, affect the mobility of molten steel in surface quality of continuous castings and casting process.
Summary of the invention
The object of this invention is to provide a kind of laying method of running gate system, cross gate can be made to lay smooth, running gate system builds more convenient, flows to running gate system during cast without loose sand.
The object of the present invention is achieved like this: a kind of laying method of running gate system, comprises the steps:
1) on the work top of horizontal positioned, fix some cast gate positioning tables, the riding position of cast gate positioning table is corresponding one by one with the ingate position of mould; The external diameter of cast gate positioning table and cross gate export porcelain tube bore and match;
2) hoisting bracket is set above work top, on the downside of hoisting bracket, cross gate is installed, cross gate is made up of some porcelain tubes successively grafting, and cross gate is horizontally disposed with also and between hoisting bracket, colligation is fixed, and cross gate outlet porcelain tube mouth engagement sleeves is contained in outside cast gate positioning table;
3) turnover mould makes ingate upwards, and on each ingate, the ingate porcelain tube of the suitable height of plug-in mounting, makes the upper surface of ingate porcelain tube be positioned in same level, sprue is fixed on mould side simultaneously; Then quicksand, when molding sand flows to ingate porcelain tube position of upper, strikes off;
4) lift by crane hoisting bracket, make cross gate entirety depart from cast gate positioning table, after cross gate is lifted, then be placed on the upside of mould, make ingate porcelain tube and cross gate export the socket connection of porcelain tube one_to_one corresponding, the import of cross gate is connected with the outlet of sprue simultaneously;
5) quicksand again, dismantles hoisting bracket when sanding flat cross gate position, continues quicksand moulding;
6) after shaping, sand mold is overturn, make cross gate be positioned at below mould, complete the laying of running gate system, can casting operation be carried out subsequently.
By technical scheme of the present invention, can the running gate system of rapid build foundry goods, substantially reduce the number quicksand while lay the time of running gate system; Reduce concentrated labour intensity and the working environment improving moulding; It is fast that running gate system lays speed, changes order of the prior art and lay pattern one by one, adopt modular mode to lay, drastically increase the production efficiency of moulding quicksand; Whole cross gate installs location on work top, and good seal between porcelain tube, flows to running gate system without loose sand, there is not burning into sand problem, ensure that surface quality of continuous castings during cast; Whole cross gate keeps level, ensure that the mobility that in casting process, molten steel is steady and good, makes casting quality better.The method is applicable to, in the production of various bottom pour mold formula foundry goods, be particularly suitable for the production of heavy castings.
By cast gate positioning table quick position during for ease of laying, described work top is provided with network for location ruling in length and breadth, and cast gate positioning table is located by network for location ruling.
Be as a further improvement on the present invention, described work top is made up of ferrimagnet, and cast gate positioning table is made up of magnetic material, and cast gate positioning table is directly fixed on work top.The replacement scheme of the technical program is that work top is made up of ferrimagnet, and cast gate positioning table is made up of wood materials, and cast gate positioning table lays magnet base, produces the suction-combining force and fixed by cast gate positioning table between magnet base and work top.Above-mentioned two kinds of technical schemes all can make cast gate positioning table energy quick position, and its dismounting speed is with fast, easy to operate.
For ease of lifting and fixing cross gate, described hoisting bracket comprises the crossbeam that two parallel setting, and crossbeam is provided with hanger, is connected, is provided with connecting framework between longitudinal and cross beam between the two ends of crossbeam through longeron.Connecting framework can crisscrossly be arranged, and is convenient to multiple spot and fixes cross gate.
Accompanying drawing explanation
Fig. 1 is the syndeton schematic diagram between work top, cast gate positioning table and cross gate outlet porcelain tube.
Fig. 2 is cross gate and hoisting bracket johning knot composition.
Fig. 3 is cross gate and mould syndeton schematic diagram.
Wherein, 1 work top, 2 cross gates, 3 cross gate outlet porcelain tubes, 4 magnet bases, 5 cast gate positioning tables, 6 network for location rulings, 7 connecting frameworks, 8 longerons, 9 hangers, 10 crossbeams, 11 moulds, 12 ingate porcelain tubes.
Detailed description of the invention
The course of work of the present invention is told about below in conjunction with accompanying drawing.
A laying method for running gate system, its step is as follows:
1) on the work top 1 of horizontal positioned, fix some cast gate positioning tables 5, the riding position of cast gate positioning table 5 is corresponding one by one with the ingate position of mould 11; The external diameter of cast gate positioning table 5 and cross gate export porcelain tube 3 bore and match; Work top 1 is provided with network for location ruling 6 in length and breadth, cast gate positioning table 5 is located by network for location ruling, work top 1 is made up of ferrimagnet steel plate, its size 7000 × 5000 × 10mm, cast gate positioning table 5 is made up of the wood materials that 12mm is thick, cast gate positioning table 5 is laid magnet base 4, produce the suction-combining force between magnet base 4 and work top 1 and cast gate positioning table 5 is fixed.Can be as shown in Figure 1.
2) hoisting bracket is set above work top 1, cross gate 2 is installed on the downside of hoisting bracket, cross gate 2 is made up of some porcelain tubes successively grafting, and cross gate 2 is horizontally disposed with also and between hoisting bracket, colligation is fixed, and cross gate outlet porcelain tube 3 mouthfuls of engagement sleeves are contained in outside cast gate positioning table 5; Hoisting bracket comprises the crossbeam 10 that two parallel setting, crossbeam 10 is provided with hanger 9, is connected through longeron 8 between the two ends of crossbeam 10, between described longeron 8 and crossbeam 10, is provided with connecting framework 7, when cross gate 2 colligation is fixed, iron wire, adhesive tape etc. can be adopted itself and connecting framework 7 to be fixed.This step as shown in Figure 2.
3) turnover mould 11 makes ingate upwards, the ingate porcelain tube 12 of the suitable height of plug-in mounting on each ingate, make the upper surface of ingate porcelain tube 12 be positioned in same level, sprue is fixed on mould 11 side simultaneously, sprue is also formed by multiple porcelain tube socket connection; Then quicksand, when molding sand flows to ingate porcelain tube 12 position of upper, strikes off.
4) lift by crane hoisting bracket, cross gate 2 entirety is lifted, and cross gate 2 departs from cast gate positioning table 5, and cast gate positioning table 5 and magnet base 4 are still stayed on work top; Cross gate 2 entirety after lifting is placed on the upside of mould 11, makes ingate porcelain tube 12 and cross gate export the socket connection of porcelain tube 3 one_to_one corresponding, the import of cross gate 2 is connected with the outlet of sprue simultaneously.This step as shown in Figure 3.
5) quicksand again, dismantles hoisting bracket when sanding flat cross gate 2 position, continues quicksand moulding.
6) after shaping, sand mold is overturn, cross gate 2 is positioned at below mould 11, completes the laying of running gate system.Casting operation can be carried out after cleaning.
The present invention is not limited to above-described embodiment; on the basis of technical scheme disclosed by the invention; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some to some technical characteristics wherein to replace and distortion, these are replaced and are out of shape all in protection scope of the present invention.Such as, work top is made up of ferrimagnet, and cast gate positioning table can be made up of magnetic material, and cast gate positioning table is directly fixed on work top.

Claims (5)

1. a laying method for running gate system, is characterized in that comprising the steps:
1) on the work top of horizontal positioned, fix some cast gate positioning tables, the riding position of cast gate positioning table is corresponding one by one with the ingate position of mould; The external diameter of cast gate positioning table and cross gate export porcelain tube bore and match;
2) hoisting bracket is set above work top, on the downside of hoisting bracket, cross gate is installed, cross gate is made up of some porcelain tubes successively grafting, and cross gate is horizontally disposed with also and between hoisting bracket, colligation is fixed, and cross gate outlet porcelain tube mouth engagement sleeves is contained in outside cast gate positioning table;
3) turnover mould makes ingate upwards, and on each ingate, the ingate porcelain tube of the suitable height of plug-in mounting, makes the upper surface of ingate porcelain tube be positioned in same level, sprue is fixed on mould side simultaneously; Then quicksand, when molding sand flows to ingate porcelain tube position of upper, strikes off;
4) lift by crane hoisting bracket, make cross gate entirety depart from cast gate positioning table, after cross gate is lifted, then be placed on the upside of mould, make ingate porcelain tube and cross gate export the socket connection of porcelain tube one_to_one corresponding, the import of cross gate is connected with the outlet of sprue simultaneously;
5) quicksand again, dismantles hoisting bracket when sanding flat cross gate position, continues quicksand moulding;
6) after shaping, sand mold is overturn, make cross gate be positioned at below mould, complete the laying of running gate system.
2. the laying method of a kind of running gate system according to claim 1, is characterized in that, described work top is provided with network for location ruling in length and breadth, and cast gate positioning table is located by network for location ruling.
3. the laying method of a kind of running gate system according to claim 1 and 2, is characterized in that, described work top is made up of ferrimagnet, and cast gate positioning table is made up of magnetic material, and cast gate positioning table is directly fixed on work top.
4. the laying method of a kind of running gate system according to claim 1 and 2, it is characterized in that, described work top is made up of ferrimagnet, cast gate positioning table is made up of wood materials, cast gate positioning table lays magnet base, produces the suction-combining force between magnet base and work top and cast gate positioning table is fixed.
5. the laying method of a kind of running gate system according to claim 1 and 2, it is characterized in that, described hoisting bracket comprises the crossbeam that two parallel setting, and crossbeam is provided with hanger, be connected through longeron between the two ends of crossbeam, between described longitudinal and cross beam, be provided with connecting framework.
CN201410237199.XA 2014-05-30 2014-05-30 A kind of laying method of running gate system Active CN104028697B (en)

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Publication number Priority date Publication date Assignee Title
CN105108065B (en) * 2015-08-31 2017-09-26 共享铸钢有限公司 Bottom gating and its laying method
CN107745080B (en) * 2017-10-09 2019-03-05 铜陵安东铸钢有限责任公司 A kind of laying method of running gate system

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JPS5856662B2 (en) * 1978-09-19 1983-12-16 Sanwa Chuzosho Kk
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CN102513509B (en) * 2011-12-16 2013-09-25 宁夏共享集团有限责任公司 Casting technique for bracket casting of marine pod-type electric propulsion system
CN102921883A (en) * 2012-12-04 2013-02-13 宁夏共享集团有限责任公司 Method for modeling mill end product in mining machinery
CN103537627B (en) * 2013-11-01 2016-06-22 宁夏共享集团有限责任公司 A kind of circular sand core localization method
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Effective date of registration: 20160218

Address after: 750021 the Ningxia Hui Autonomous Region Yinchuan Tongxin economic and Technological Development Zone No. 199 South Street

Applicant after: Share cast steel Co., Ltd

Address before: 750000, Beijing West Road, Xixia District, the Ningxia Hui Autonomous Region, 550, Yinchuan

Applicant before: KOCEL Machinery Co., Ltd.

Applicant before: Ningxia Kocel Group Co., Ltd.

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