CN201271736Y - Cast of thick wall large plain cast - Google Patents

Cast of thick wall large plain cast Download PDF

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Publication number
CN201271736Y
CN201271736Y CNU2008201663007U CN200820166300U CN201271736Y CN 201271736 Y CN201271736 Y CN 201271736Y CN U2008201663007 U CNU2008201663007 U CN U2008201663007U CN 200820166300 U CN200820166300 U CN 200820166300U CN 201271736 Y CN201271736 Y CN 201271736Y
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CN
China
Prior art keywords
mould
plane
casting
castings
foundry goods
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2008201663007U
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Chinese (zh)
Inventor
吴文钤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG JIALI WIND POWER TECHNOLOGY Co Ltd
Original Assignee
ZHEJIANG JIALI WIND POWER TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHEJIANG JIALI WIND POWER TECHNOLOGY Co Ltd filed Critical ZHEJIANG JIALI WIND POWER TECHNOLOGY Co Ltd
Priority to CNU2008201663007U priority Critical patent/CN201271736Y/en
Application granted granted Critical
Publication of CN201271736Y publication Critical patent/CN201271736Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a thick-wall large plane casting mould, which belongs to the casting technology. The castings casted by the prior casting mould can not receive large impact force or achieve the effect of no shrinkage cavity and large-area shrinkage porosity. The casting mould comprises a lower mould and an upper mould. A plane surface is arranged on the lower mould. A plurality of pieces of frozen iron are buried on the lower side of the plane surface. A groove for forming castings is arranged on the upper mould. The upper mould is fit to the lower mould; a mould cavity is formed by the plane surface of the lower mould and the groove of the upper mould. The mould cavity is provided with a gate runner in a communication way. The heat generated by casting is transferred out in time through frozen iron during casting, which is favorable for freezing, cooling and moulding castings. During casting, molten metal keeps contacting with sand mix instead of directly contacting with frozen iron. Accordingly, the castings formed are free from surface defects. The frozen iron is distributed evenly so that ventilation channels are kept between the frozen iron, which is favorable for crystallization and moulding of castings, generation of no shrinkage cavities and large-area shrinkage porosity. The castings are capable of bearing large impact force and the quality of castings can be ensured.

Description

The casting mold of the big plane of heavy wall foundry goods
Technical field
The utility model belongs to foundry engieering, the casting mold of the big plane of especially a kind of heavy wall foundry goods.
Background technology
The big plane of heavy wall foundry goods is a kind of common foundry goods, as is applied on the large-scale punch press as workbench, and its requirement has the ability of the bigger power that withstands shocks and requires no shrinkage cavity and large-area shrinkage porosite, and in addition, also requirement has favorable surface quality.Yet,, be difficult to reach above-mentioned specification requirement when therefore implementing casting with general casting mold because this foundry goods heavy wall and area are big.
The utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome the foundry goods that existing casting mold is difficult to reach cast to have the ability of the bigger power that withstands shocks and the defective that requires no shrinkage cavity and large-area shrinkage porosite, and a kind of casting mold of the new big plane of heavy wall foundry goods is provided.For this reason, the utility model adopts following technical proposals:
The casting mold of the big plane of heavy wall foundry goods, comprise mo(u)ld bottom half and mo(u)ld top half, it is characterized in that: the plane is set at described mo(u)ld bottom half, downside on this plane is buried chill underground, the groove that forms foundry goods is set on described mo(u)ld top half, this mo(u)ld top half is combined on the mo(u)ld bottom half and forms die cavity by the plane of described mo(u)ld bottom half and the groove of mo(u)ld top half, is communicated with this die cavity to be provided with running channel.
As to further the improving and replenishing of technique scheme, the utility model also comprises following additional technical feature, so that be applied to technique scheme when stating technical scheme on the implementation:
Described chill is the planar underside that polylith is evenly distributed on described mo(u)ld bottom half.
Described running channel comprises total sprue that is arranged on described die cavity one side and the some cross gates that are communicated with described die cavity and this total sprue.
Total sprue and cross gate are arranged on the mo(u)ld top half, and the bottom surface of cross gate is positioned on the plane of mo(u)ld bottom half.
Be communicated with described die cavity and be provided with satrain relief.
Described satrain relief is at least two and be evenly distributed on a lateral edges of described die cavity.
Described satrain relief vertically is arranged on the described mo(u)ld top half and with described groove and is communicated with.
The beneficial effects of the utility model are:
1, by the plane of corresponding cast(ing) surface is set on mo(u)ld bottom half, downside on this plane is buried chill underground, can will pour into a mould the heat that produces timely by chill when making cast passes, be beneficial to casting solidification, cooling, moulding, molten metal keeps contact with molding sand but not directly contacts with chill during cast, so the foundry goods free of surface defects of formation.
2 and chill is a mode that polylith is evenly distributed makes keep gas-permeable channels between each chill, be beneficial to casting solidification, cooling, crystalline forming, no shrinkage cavity and large-area shrinkage porosite have the ability of the bigger power that withstands shocks, and guarantee casting quality.
Description of drawings
Fig. 1 is the cross-sectional view of the utility model casting mold.
Fig. 2 is that the E-E of Fig. 1 is to sectional schematic diagram.
Among the figure: 1-mo(u)ld bottom half, 2-mo(u)ld top half, 3-plane, 4-chill, 5-groove, 6-die cavity, 7-running channel, 8-total sprue, 9-cross gate, 10-satrain relief, K-K-die joint.
The specific embodiment
The technical solution of the utility model is described further with preferred embodiment below in conjunction with accompanying drawing.
As shown in Figure 1, 2, the casting mold of the big plane of this heavy wall foundry goods comprises mo(u)ld bottom half 1 and mo(u)ld top half 2, plane 3 is set on mo(u)ld bottom half 1, bury chill 4 underground at the downside on this plane 3, the groove 5 that forms foundry goods is set on mo(u)ld top half 2, this mo(u)ld top half 2 is combined on the mo(u)ld bottom half 1 by the plane 3 of mo(u)ld bottom half and the groove 5 of mo(u)ld top half and forms die cavity 6 (face that this moment, mo(u)ld top half 2 contacted with mo(u)ld bottom half 1 is die joint K-K, and this die joint K-K also is the interface of mo(u)ld top half and mo(u)ld bottom half when constructing casting mold), is communicated with this die cavity 6 to be provided with running channel 7.Can will pour into a mould the heat that produces timely by chill when making cast and pass, be beneficial to foundry goods cooling moulding, molten metal keeps contacting with molding sand but not directly contacts with chill during cast, so the foundry goods free of surface defects of formation.
More specifically,
Chill 4 is evenly distributed on plane 3 downsides of mo(u)ld bottom half 1 for polylith.Make to keep gas-permeable channels between each chill, be beneficial to the foundry goods crystalline forming, no shrinkage cavity and large-area shrinkage porosite have the ability of the bigger power that withstands shocks, and guarantee casting quality.
Running channel 7 comprises the total sprue 8 that is arranged on die cavity 6 one sides and is communicated with some cross gates 9 of die cavity 6 and this total sprue 8, and molten metal can be full of die cavity as soon as possible when guaranteeing to pour into a mould thus, and the flow path of avoiding molten metal is long and influence the foundry goods moulding.
Total sprue 8 and cross gate 9 are arranged on the mo(u)ld top half 2, and the bottom surface of cross gate 9 is positioned on the plane 3 of mo(u)ld bottom half 1.Thus can be after being combined in mo(u)ld top half on the mo(u)ld bottom half promptly form the running channel that can pour into a mould, and molten metal can and be full of die cavity by the mild inflow of cross gate when cast, you influence casting quality to avoid forming turbulent flow.
Be communicated with die cavity 6 and be provided with satrain relief 10.Be used for removing removing dross, the elimination scum silica frost is trapped in the surface of foundry goods and causes casting flaw.
Satrain relief 10 is at least two and be evenly distributed on a lateral edges of die cavity 6, is illustrated as in a side relative with cross gate.Such arrangement is convenient to molten metal scum silica frost is dashed to satrain relief, thereby further guarantees casting quality.
Satrain relief 10 vertically is arranged on the mo(u)ld top half 2 and with groove 5 and is communicated with.Can after being combined in mo(u)ld top half on the mo(u)ld bottom half, promptly be communicated with thus, be convenient to construct casting mold with die cavity.
The casting mold of said structure, during cast molten metal is poured into from total sprue, then molten metal promptly flows into die cavity gently by each cross gate, again some molten metals that pour into after molten metal is full of die cavity more, can make unnecessary molten metal overflow from satrain relief, simultaneously scum silica frost is taken out of, and had the feeding effect; Therebetween, the energy that cast produces passes by chill and molding sand, and the position on contact mo(u)ld bottom half plane forms the intact foundry goods working face of quality.Through check, with my blemish of the foundry goods of this casting mold casting, no shrinkage cavity and large-area shrinkage porosite, have the ability of the bigger power that withstands shocks, as if using the HT300 casting, can be applicable to the workbench on the large-scale punch press of manufacturing.

Claims (7)

1, the casting mold of the big plane of heavy wall foundry goods, comprise mo(u)ld bottom half (1) and mo(u)ld top half (2), it is characterized in that: plane (3) is set on described mo(u)ld bottom half (1), bury chill (4) underground at the downside of this plane (3), the groove (5) that forms foundry goods is set on described mo(u)ld top half (2), this mo(u)ld top half (2) is combined in mo(u)ld bottom half (1) and upward forms die cavity (6) by the plane (3) of described mo(u)ld bottom half and the groove (5) of mo(u)ld top half, is communicated with this die cavity (6) to be provided with running channel (7).
2, the casting mold of the big plane of heavy wall according to claim 1 foundry goods is characterized in that described chill (4) is evenly distributed on plane (3) downside of described mo(u)ld bottom half for polylith.
3, the casting mold of the big plane of heavy wall according to claim 1 foundry goods is characterized in that described running channel (7) comprises total sprue (8) that is arranged on described die cavity (6) one sides and the some cross gates (9) that are communicated with described die cavity (6) and this total sprue (8).
4, the casting mold of the big plane of heavy wall according to claim 3 foundry goods it is characterized in that described total sprue (8) and cross gate (9) are arranged on the mo(u)ld top half (2), and the bottom surface of described cross gate (9) is positioned on the plane (3) of mo(u)ld bottom half (1).
5,, it is characterized in that being communicated with and be provided with satrain relief (10) with described die cavity (6) according to the casting mold of claim 1,2, the big plane of 3 or 4 described heavy walls foundry goods.
6, the casting mold of the big plane of heavy wall according to claim 5 foundry goods is characterized in that described satrain relief (10) is at least two and be evenly distributed on a lateral edges of described die cavity (6).
7, the casting mold of the big plane of heavy wall according to claim 5 foundry goods is characterized in that described satrain relief (10) vertically is arranged on described mo(u)ld top half (2) and upward and with described groove (5) is communicated with.
CNU2008201663007U 2008-10-17 2008-10-17 Cast of thick wall large plain cast Expired - Lifetime CN201271736Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201663007U CN201271736Y (en) 2008-10-17 2008-10-17 Cast of thick wall large plain cast

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201663007U CN201271736Y (en) 2008-10-17 2008-10-17 Cast of thick wall large plain cast

Publications (1)

Publication Number Publication Date
CN201271736Y true CN201271736Y (en) 2009-07-15

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CNU2008201663007U Expired - Lifetime CN201271736Y (en) 2008-10-17 2008-10-17 Cast of thick wall large plain cast

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102274942A (en) * 2011-08-23 2011-12-14 江苏技术师范学院 Indirect chilling block and processing and positioning methods thereof
CN106077463A (en) * 2016-06-23 2016-11-09 江苏迪迈机械有限公司 A kind of case of reducer casting technique adding chill
CN108500232A (en) * 2018-04-13 2018-09-07 芜湖久弘重工股份有限公司 A method of changing large-sized numerical control horizontal Machining centers workbench coagulating property

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102274942A (en) * 2011-08-23 2011-12-14 江苏技术师范学院 Indirect chilling block and processing and positioning methods thereof
CN102274942B (en) * 2011-08-23 2013-01-23 江苏技术师范学院 Indirect chilling block and processing methods thereof
CN106077463A (en) * 2016-06-23 2016-11-09 江苏迪迈机械有限公司 A kind of case of reducer casting technique adding chill
CN108500232A (en) * 2018-04-13 2018-09-07 芜湖久弘重工股份有限公司 A method of changing large-sized numerical control horizontal Machining centers workbench coagulating property

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CX01 Expiry of patent term

Granted publication date: 20090715

CX01 Expiry of patent term