CN203817298U - Sand mold device of nodular cast iron hub - Google Patents

Sand mold device of nodular cast iron hub Download PDF

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Publication number
CN203817298U
CN203817298U CN201420217241.7U CN201420217241U CN203817298U CN 203817298 U CN203817298 U CN 203817298U CN 201420217241 U CN201420217241 U CN 201420217241U CN 203817298 U CN203817298 U CN 203817298U
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China
Prior art keywords
casting
sand
mold cavity
casting mold
wheel hub
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CN201420217241.7U
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Chinese (zh)
Inventor
沙金洋
牛家胜
陈学
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JIANGSU JINYANG MACHINERY Co Ltd
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JIANGSU JINYANG MACHINERY Co Ltd
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Abstract

The utility model belongs to the field of sand mold casting, and discloses a sand mold device of a nodular cast iron hub. The sand mold device of the nodular cast iron hub comprises a sand box with a casting opening; the casting opening is provided with a filtering screen; the sand box is internally provided with a casting cavity; the top of the casting mold cavity is provided with a dead head; liquid iron is guided into the casting mold cavity by the dead head; a thermal center at the inner side of the casting mold cavity is provided with a plurality of internal chilling blocks; each internal chilling block is internally provided with a plurality of empty cavities; the cavity walls of the empty cavities have a plurality of through holes; cooling media capable of flowing in the plurality of empty cavities are stored in the empty cavities. According to the utility model, the top of the casting mold cavity is provided with the dead head; the thermal center at the inner side of the casting mold cavity is provided with the plurality of internal cold iron; each internal chilling block is internally provided with the empty cavities for storing the cooling media; the cooling iron on the inner surface of a casting has chilling and temperature reduction effects; the casting defects of hole shrinkage and porosity shrinkage at the thermal center can be eliminated; the finished product rate can be improved.

Description

A kind of sand mould device of spheroidal graphite cast-iron wheel hub
Technical field
The utility model belongs to sand casting field, is a kind of sand mould device of spheroidal graphite cast-iron wheel hub specifically.
Background technology
Sand casting---in sand mold, produce the casting method of foundry goods.Steel, iron and most of non-ferrous alloy casting all available sand mould casting method obtain.Because the Modeling Material that sand casting is used is cheap and easy to get, Casting mold manufacturing is easy, to the single-piece production of foundry goods, produce by batch and produce in a large number and all can adapt to, for a long time, is the basic technology in Foundry Production always.
Sand casting is widely used in the moulding manufacture of various ironcastings, mainly, by sandbox with the vertical straight running channel of casting gate, establishes casting mold cavity in sandbox.With the example that is cast into of spheroidal graphite cast-iron wheel hub, the quality of wheel hub quality directly affects traffic safety, because it is in service in specific position at car, is bearing complicated alternate load, and service condition is severe.Conventionally there is defects such as there being more serious loose, shrinkage cavity in thick large variable cross-section accumulated heat joint section in present wheel hub, therefore, provide a kind of sand mould device of spheroidal graphite cast-iron wheel hub of the shrinkage cavity and porosity casting flaw of eliminating heat energy-saving position to become those skilled in the art's problem demanding prompt solution.
Utility model content
For the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of sand mould device of spheroidal graphite cast-iron wheel hub, can eliminate the shrinkage cavity and porosity casting flaw of heat energy-saving position.
The utility model object realizes by following technical proposals:
The utility model provides a kind of sand mould device of spheroidal graphite cast-iron wheel hub, comprise the sandbox with casting gate, described casting gate is provided with screen pack, in described sandbox, establish casting mold cavity, the top of described casting mold cavity is provided with rising head, iron liquid is introduced described casting mold cavity by described rising head, inside described casting mold cavity, thermal center place arranges a plurality of internal denseners, each internal densener inside is provided with a plurality of cavitys, the chamber wall of described cavity is provided with some through holes, the cooling medium that in described cavity, storage can be mobile in a plurality of cavitys.
Preferably, described casting mold cavity is provided with at least one external chill outward.
Preferably, between described external chill and described casting mold cavity, being provided with layer of sand is separated by.
Preferably, described layer of sand is 10~15mm.
Preferably, the surface of described internal densener is provided with air channel.
Preferably, described internal densener is provided with furane resins layer, and described furane resins layer is provided with overlay film layer of sand.
Preferably, the thickness of described overlay film layer of sand is 5~10mm.
Preferably, described internal densener is provided with positioner for internal densener is fixed.
The utility model is provided with rising head by top, inside casting mold cavity, a plurality of internal denseners are placed at thermal center place, each internal densener inside is provided with a plurality of cavitys that have cooling medium, chill has the effect of Quench cooling at inner surface, the shrinkage cavity and porosity casting flaw that can eliminate heat energy-saving position, has improved yield rate.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the sand mould device of the utility model spheroidal graphite cast-iron wheel hub.
Number in the figure is described as follows:
1, sandbox; 2, casting gate; 3, screen pack; 4, casting mold cavity; 5, rising head; 6, internal densener; 7, cavity; 8, external chill.
The specific embodiment
Below will coordinate graphic and embodiment to describe embodiment of the present utility model in detail, and by this utility model implementation procedure how application technology means solve technical problem and reach technology effect can be fully understood and be implemented according to this.
As shown in Figure 1, the utility model provides a kind of sand mould device of spheroidal graphite cast-iron wheel hub, comprise the sandbox 1 with casting gate 2, described casting gate 2 is provided with screen pack 3, in described sandbox 1, establish casting mold cavity 4, the top of described casting mold cavity 4 is provided with rising head 5, iron liquid is introduced described casting mold cavity 4 by described rising head 5, described casting mold cavity 4 thermal center places, inner side arrange a plurality of internal denseners 6, each internal densener 6 inside are provided with a plurality of cavitys 7, the chamber wall of described cavity 7 is provided with some through holes, the cooling medium that the interior storage of described cavity 7 can be mobile in a plurality of cavitys.
Wherein, outer at least one external chill 8 that is provided with of casting mold cavity 4; Between described external chill 8 and casting mold cavity 4, being provided with layer of sand is separated by; Described layer of sand is preferably 10~15mm.
In the present embodiment, the surface of described internal densener 6 is provided with air channel; Described internal densener 6 is provided with furane resins layer, and described furane resins layer is provided with overlay film layer of sand; The thickness of described overlay film layer of sand is 5~10mm.Furane resins layer and overlay film layer of sand can further promote the effect of Quench cooling, can eliminate the shrinkage cavity and porosity casting flaw of heat energy-saving position.
Because internal densener 6 is in the interior easy generation displacement of described casting mold cavity 4, internal densener 6 is provided with positioner for internal densener 6 being fixed on to described casting mold cavity 4.
The utility model is provided with rising head by top, inside casting mold cavity, a plurality of internal denseners are placed at thermal center place, each internal densener inside is provided with a plurality of cavitys that have cooling medium, chill has the effect of Quench cooling at inner surface, the shrinkage cavity and porosity casting flaw that can eliminate heat energy-saving position, has improved yield rate.
Above-mentioned explanation illustrates and has described some preferred embodiments of the present utility model, but as previously mentioned, be to be understood that the utility model is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in utility model contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, change.And the change that those skilled in the art carry out and variation do not depart from spirit and scope of the present utility model, all should be in the protection domain of the utility model claims.

Claims (8)

1. the sand mould device of a spheroidal graphite cast-iron wheel hub, it is characterized in that: comprise the sandbox with casting gate, described casting gate is provided with screen pack, in described sandbox, establish casting mold cavity, the top of described casting mold cavity is provided with rising head, iron liquid is introduced described casting mold cavity by described rising head, inside described casting mold cavity, thermal center place arranges a plurality of internal denseners, each internal densener inside is provided with a plurality of cavitys, the chamber wall of described cavity is provided with some through holes, the cooling medium that in described cavity, storage can be mobile in a plurality of cavitys.
2. according to the sand mould device of the spheroidal graphite cast-iron wheel hub described in claim 1, it is characterized in that: described casting mold cavity is provided with at least one external chill outward.
3. the sand mould device of spheroidal graphite cast-iron wheel hub according to claim 2, is characterized in that: between described external chill and described casting mold cavity, be provided with layer of sand and be separated by.
4. the sand mould device of spheroidal graphite cast-iron wheel hub according to claim 3, is characterized in that: described layer of sand is 10~15mm.
5. the sand mould device of spheroidal graphite cast-iron wheel hub according to claim 1, is characterized in that: the surface of described internal densener is provided with air channel.
6. according to the sand mould device of the arbitrary described spheroidal graphite cast-iron wheel hub of claim 1~5, it is characterized in that: described internal densener is provided with furane resins layer, described furane resins layer is provided with overlay film layer of sand.
7. the sand mould device of spheroidal graphite cast-iron wheel hub according to claim 6, is characterized in that: the thickness of described overlay film layer of sand is 5~10mm.
8. the sand mould device of spheroidal graphite cast-iron wheel hub according to claim 1, is characterized in that: described internal densener is provided with positioner for internal densener is fixed.
CN201420217241.7U 2014-04-29 2014-04-29 Sand mold device of nodular cast iron hub Active CN203817298U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420217241.7U CN203817298U (en) 2014-04-29 2014-04-29 Sand mold device of nodular cast iron hub

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420217241.7U CN203817298U (en) 2014-04-29 2014-04-29 Sand mold device of nodular cast iron hub

Publications (1)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104889328A (en) * 2015-05-21 2015-09-09 凤冈县凤鸣农用机械制造有限公司 Complex crankshaft casting mold
CN105290381A (en) * 2015-11-19 2016-02-03 福建兴航机械铸造有限公司 Positioning method for internal chills of large casting die cavity
CN105499493A (en) * 2015-12-27 2016-04-20 无锡市灵通铸造有限公司 Casting technology for preventing shrinkage and porosity
CN106077503A (en) * 2016-06-23 2016-11-09 常州步速者机械制造有限公司 A kind of casting technique of supporting leg
CN106269025A (en) * 2016-08-18 2017-01-04 江阴联华铸造有限公司 A kind of train parts furan resin for casting overlay film core sand and preparation method thereof
CN108500204A (en) * 2018-04-13 2018-09-07 安徽合力股份有限公司合肥铸锻厂 Resin sand High Strength Casting magnesium iron traveling wheel technique

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104889328A (en) * 2015-05-21 2015-09-09 凤冈县凤鸣农用机械制造有限公司 Complex crankshaft casting mold
CN105290381A (en) * 2015-11-19 2016-02-03 福建兴航机械铸造有限公司 Positioning method for internal chills of large casting die cavity
CN105499493A (en) * 2015-12-27 2016-04-20 无锡市灵通铸造有限公司 Casting technology for preventing shrinkage and porosity
CN106077503A (en) * 2016-06-23 2016-11-09 常州步速者机械制造有限公司 A kind of casting technique of supporting leg
CN106269025A (en) * 2016-08-18 2017-01-04 江阴联华铸造有限公司 A kind of train parts furan resin for casting overlay film core sand and preparation method thereof
CN108500204A (en) * 2018-04-13 2018-09-07 安徽合力股份有限公司合肥铸锻厂 Resin sand High Strength Casting magnesium iron traveling wheel technique

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