CN104289675A - Bridge type multipoint synchronous pouring and casting mechanism for large castings - Google Patents
Bridge type multipoint synchronous pouring and casting mechanism for large castings Download PDFInfo
- Publication number
- CN104289675A CN104289675A CN201310297149.6A CN201310297149A CN104289675A CN 104289675 A CN104289675 A CN 104289675A CN 201310297149 A CN201310297149 A CN 201310297149A CN 104289675 A CN104289675 A CN 104289675A
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- China
- Prior art keywords
- cross gate
- communicated
- liquid flow
- liquid
- castings
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
Abstract
The invention provides a bridge type multipoint synchronous pouring and casting mechanism for large castings. The mechanism comprises a vertical spure, wherein the spure is communicated with a bottom layer cross gate horizontally positioned on a bottom layer; the bottom layer cross gate is communicated with a plurality of liquid lifting channels vertically arranged thereon; the upper end of each of the liquid lifting channels is communicated with a liquid flow unit horizontally arranged; the liquid flow units are parallel to each other, and are all positioned above the bottom layer cross gate; and molten steel is injected in the castings through the liquid flow units. The mechanism has the following beneficial effects: the molding and the interior quality of the large castings are guaranteed by adopting an anti-gravity pouring mode through the smoothness and speediness of all the liquid flow units with the mold filling of all the liquid flow units; and the gas and slag inclusion degree in the liquid flow dispersion is reduced. The liquid flow is smoother compared with the design form of a traditional pouring system, so that the large scale of thin-wall castings and the thin wall of the large castings are realized.
Description
Technical field
The present invention relates to and a kind of the casting and pouring mechanism that bridge-type multiple spot pours into a mould simultaneously is realized to heavy castings.
Background technology
Non-ferrous metal large-scale many frames group frame class (more than II class) foundry goods is generally applied to structure-bearing position, bear larger load, therefore good internal soundness is needed to ensure its mechanical property, when the casting Technology Design of this type of foundry goods, in order to ensure that foundry goods is without loose, crackle and less residual stress, considers during technological design that molten metal filling die cavity solidifies fast, steadily and simultaneously usually.Steadily to ensure quality of molten metal and gravity gradient feeding fast, solidify is ensure to shrink drag uniformity simultaneously, stress raisers are avoided to crack defect, reduce distortion, to ensure that foundry goods form and position tolerance reaches technical requirement, the present invention's design can meet above-mentioned requirements, has large thin-wall non-ferrous alloy casting powder injection molding to have realistic meaning to solution.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of for many frames group frame class large thin wall casting, and the casting mechanism that can realize fast, steadily and simultaneously solidify, is different from traditional large thin-wall non-ferrous alloy casting Design of Runner System.Casting mechanism of the present invention makes the flow process of molten metal in foundry goods die cavity obviously shorten, and adopts bottom multiple spot to introduce molten metal simultaneously.
For solving the problems of the technologies described above, the technical solution used in the present invention is: heavy castings bridge-type multiple spot is casting mechanism simultaneously, comprise vertical sprue, sprue is communicated with the horizontally disposed bottom cross gate being positioned at bottom, bottom cross gate is communicated with many and vertically sets up it rises liquid passage, every bar rises liquid passage upper end and is communicated with a horizontally disposed liquid stream unit, and be parallel to each other between liquid stream unit and be all positioned at the top of bottom cross gate, molten metal injects foundry goods by liquid stream unit;
Further, described each liquid stream unit comprises being positioned at and rises liquid passage upper end and the horizontally disposed upper strata cross gate be communicated with it, to be communicated with and horizontally disposed multiple ingate with upper strata cross gate, and slag trap.
Further, slag trap is positioned at the end of upper strata cross gate, and with the end running channel axis perpendicular of upper strata cross gate.
Further, bottom cross gate is also provided with fibrous filter net with the connectivity part rising liquid passage.
The present invention starts with from large-scale many frames group frame class casting structure feature, for casting mechanism was from foundry goods surrounding introducing molten metal in the past, the molten metal brought flows long flow path, resistance greatly at die cavity, the features such as volume gas is serious, cause the shaping rear oxidation slag inclusion of foundry goods serious, feeding a casting is not enough.Core point of the present invention utilizes anti-gravity pouring mode, and the design philosophy of " simplifying; change greatly little ", adopt the pouring type of " horizontal watering adds bottom pour mold ", large-scale Mg alloy castings running gate system is decomposed into several less liquid stream unit, adopt the pouring type of antigravity by each liquid stream unit steadily fast, fill type to ensure the shaping of heavy castings and internal soundness with each liquid stream unit, decrease liquid flow point and to fall apart the degree of volume gas slag inclusion.And liquid stream comparatively before the design form of running gate system more steady, achieve the maximization of thin-section casting and the thin-walled property of heavy castings.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of casting mechanism
Fig. 2 is the cross-sectional schematic in side-looking direction
Fig. 3 is that AA in Fig. 1 is to sectional view
In figure: 1, sprue; 2, bottom cross gate; 3, fibrous filter net; 4, liquid passage is risen; 5, ingate; 6, upper strata cross gate; 7, slag trap.
Detailed description of the invention
As shown in the figure, heavy castings bridge-type multiple spot of the present invention is casting mechanism simultaneously, comprise vertical sprue 1, sprue 1 is communicated with the horizontally disposed bottom cross gate 2 being positioned at bottom, bottom cross gate 2 is communicated with many and vertically sets up it rises liquid passage 4, every bar rises liquid passage 4 upper end and is communicated with a horizontally disposed liquid stream unit, and be parallel to each other between liquid stream unit and be all positioned at the top of bottom cross gate, molten metal injects foundry goods by liquid stream unit; The liquid stream unit realizing this function can adopt various structures form, the present embodiment provides a kind of version to be, described each liquid stream unit comprises being positioned at and rises liquid passage 4 upper end and the horizontally disposed upper strata cross gate 6 be communicated with it, to be communicated with and horizontally disposed multiple ingate 5 with upper strata cross gate, and slag trap 7.
Slag trap is for collecting slag, and it is positioned at the end of upper strata cross gate in this example, and with the end running channel axis perpendicular of upper strata cross gate.Further, bottom cross gate is also provided with fibrous filter net with the connectivity part rising liquid passage, this screen pack not only plays the effect of impurity screening, be arranged on herein, also indirectly serve the effect that liquid level rising regulates, although namely bottom cross gate is level, each passway rising liquid passage be communicated with bottom cross gate is also in same level, liquid levels in theory in bottom cross gate should rise to each simultaneously and rise in liquid passage, but there is dividing of distance because each rises liquid channel distance sprue, liquid level arrival rises liquid passage part and has trickle difference, therefore, certain resistance can be played by fibrous filter net and delay regulating action, make each liquid level risen in liquid passage final increase to keep simultaneously.
The casting process of the present embodiment is: molten metal enters bottom cross gate 2 by sprue 1, after being shunted by bottom cross gate 2, along with the rising of bottom cross gate molten metal height, rise liquid passage 4 through every bar and enter each liquid stream unit, upper strata cross gate 6 again through each liquid stream unit is shunted to each ingate 5, and molten metal is injected foundry goods.
The top of bottom cross gate is positioned at owing to rising liquid passage, bottom cross gate is again horizontally disposed, so, each rise the molten metal of liquid passage to enter and rise be basic synchronization, also just ensure that each liquid stream unit can obtain the injection of molten metal simultaneously, guarantee the quick, simultaneously of cast, in addition, the structure of this antigravity it also avoid dripping that the mode from top to bottom of molten metal produces and spatters, fill type to ensure the shaping of heavy castings and internal soundness with each liquid stream unit, decrease liquid flow point and to fall apart the degree of volume gas slag inclusion.And liquid stream comparatively before the design form of running gate system more steady, achieve the maximization of thin-section casting and the thin-walled property of heavy castings.
Claims (4)
1. heavy castings bridge-type multiple spot casting mechanism simultaneously, it is characterized in that: comprise vertical sprue, sprue is communicated with the horizontally disposed bottom cross gate being positioned at bottom, bottom cross gate is communicated with many and vertically sets up it rises liquid passage, every bar rises liquid passage upper end and is communicated with a horizontally disposed liquid stream unit, be parallel to each other between liquid stream unit and be all positioned at the top of bottom cross gate, molten metal injects foundry goods by liquid stream unit.
2. casting mechanism according to claim 1, it is characterized in that: described each liquid stream unit comprises being positioned at and rises liquid passage upper end and the horizontally disposed upper strata cross gate be communicated with it, to be communicated with and horizontally disposed multiple ingate with upper strata cross gate, and slag trap.
3. casting mechanism according to claim 2, is characterized in that: slag trap is positioned at the end of upper strata cross gate, and with the end running channel axis perpendicular of upper strata cross gate.
4. casting mechanism according to claim 1, is characterized in that: bottom cross gate is also provided with fibrous filter net with the connectivity part rising liquid passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310297149.6A CN104289675A (en) | 2013-07-16 | 2013-07-16 | Bridge type multipoint synchronous pouring and casting mechanism for large castings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310297149.6A CN104289675A (en) | 2013-07-16 | 2013-07-16 | Bridge type multipoint synchronous pouring and casting mechanism for large castings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104289675A true CN104289675A (en) | 2015-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310297149.6A Pending CN104289675A (en) | 2013-07-16 | 2013-07-16 | Bridge type multipoint synchronous pouring and casting mechanism for large castings |
Country Status (1)
| Country | Link |
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| CN (1) | CN104289675A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040984A (en) * | 2016-07-20 | 2016-10-26 | 大连金河铸造有限公司 | Pouring system of motor relay casting technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612337B2 (en) * | 1977-02-18 | 1981-03-20 | ||
| US5620044A (en) * | 1994-10-07 | 1997-04-15 | Ford Motor Company | Gravity precision sand casting of aluminum and equivalent metals |
| CN101966560A (en) * | 2010-09-15 | 2011-02-09 | 浙江佳力风能技术有限公司 | Bottom casting system of strip sectional inner runners |
| CN203470828U (en) * | 2013-07-16 | 2014-03-12 | 天津航天机电设备研究所 | Bridge type multi-point simultaneously-pouring casting mechanism for heavy castings |
-
2013
- 2013-07-16 CN CN201310297149.6A patent/CN104289675A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612337B2 (en) * | 1977-02-18 | 1981-03-20 | ||
| US5620044A (en) * | 1994-10-07 | 1997-04-15 | Ford Motor Company | Gravity precision sand casting of aluminum and equivalent metals |
| CN101966560A (en) * | 2010-09-15 | 2011-02-09 | 浙江佳力风能技术有限公司 | Bottom casting system of strip sectional inner runners |
| CN203470828U (en) * | 2013-07-16 | 2014-03-12 | 天津航天机电设备研究所 | Bridge type multi-point simultaneously-pouring casting mechanism for heavy castings |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040984A (en) * | 2016-07-20 | 2016-10-26 | 大连金河铸造有限公司 | Pouring system of motor relay casting technology |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |