CN102343423A - Steel ingot mold cast-iron core bar with large ratio of height to diameter - Google Patents

Steel ingot mold cast-iron core bar with large ratio of height to diameter Download PDF

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Publication number
CN102343423A
CN102343423A CN201110292226XA CN201110292226A CN102343423A CN 102343423 A CN102343423 A CN 102343423A CN 201110292226X A CN201110292226X A CN 201110292226XA CN 201110292226 A CN201110292226 A CN 201110292226A CN 102343423 A CN102343423 A CN 102343423A
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CN
China
Prior art keywords
core bar
iron
diameter
height
cast
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.)
Pending
Application number
CN201110292226XA
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Chinese (zh)
Inventor
宋雄
张晓博
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.)
SHANGHAI BAOSTEEL CASTING CO Ltd
Original Assignee
SHANGHAI BAOSTEEL CASTING 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 SHANGHAI BAOSTEEL CASTING CO Ltd filed Critical SHANGHAI BAOSTEEL CASTING CO Ltd
Priority to CN201110292226XA priority Critical patent/CN102343423A/en
Publication of CN102343423A publication Critical patent/CN102343423A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a steel ingot mold cast-iron core bar with a large ratio of height to diameter. The steel ingot mold cast-iron core comprises a core bar body; the core bar body is a rectangular body made by closing two half-sheet spherical graphite cast-iron materials; each spherical graphite cast-iron material is provided with a protruding side edge; the side edges of the two half sheets are fastened through screw bolts to compose the core bar body; and a plurality of ventilation holes are arranged on the core bar body. According to the steel ingot mold cast-iron core bar with the large ratio of height to diameter provided by the invention, the rectangular body is selected and is manufactured in two half sheets, and the machined two half sheets are fastened through the screw bolts, thus, the rigidity of the core bar is strengthened, and further, the core bar is convenient to cast. The ventilation holes are arranged on the core bar, and further, a plurality of sand-coating teeth are arranged on the core bar so as to strengthen the sand-coating capability. The steel ingot mold cast-iron core bar with the large ratio of height to diameter provided by the invention has a reasonably-designed shape and a steel ingot mold core bar with long service life which is made from a spherical graphite cast-iron material, and meanwhile, has the advantages of high strength, good rigidity, little sand coating in the periphery, good ventilation property for a sand core and the like.

Description

Larger ratio of height to diameter founding iron mold iron core bone
Technical field
The invention belongs to the steel casting field, particularly a kind of larger ratio of height to diameter founding iron mold iron core bone.
Background technology
The general diameter of larger ratio of height to diameter ingot mould is smaller, but it is highly very long.Produce this type of ingot mould with resin sand, its arbor generally adopts round steel pipe to make.But because arbor elongated; And the steel pipe heat endurance is relatively poor; Add that the larger ratio of height to diameter ingot mould generally adopts the flat oblique pouring technique of doing; Very easily temperature distortion of arbor during cast; Until under the gravity effect, bending; Have a strong impact on the glacing flatness of ingot mould inner surface, can only scrap when being deformed into to a certain degree.Therefore average life span is shorter.
In view of this, seek a kind of larger ratio of height to diameter founding iron mold iron core bone and become pursuing one's goal of these those skilled in the art.
Summary of the invention
Task of the present invention provides a kind of larger ratio of height to diameter founding iron mold iron core bone, and it has solved above-mentioned existing in prior technology problem, and the shape of appropriate design arbor selects for use suitable cast iron materials to produce the ingot mould arbor of high life.
Technical solution of the present invention is following:
A kind of larger ratio of height to diameter founding iron mold iron core bone; It comprises the arbor body; Said arbor body is closed up by two and half sheet ductile cast iron materials and forms rectangular body; Every ductile cast iron material is provided with outstanding edge; The edge of two and half sheets constitutes the arbor body through bolted, and several air-vents are set on the arbor body.
Said arbor body is provided with some extension sand teeth.
The diameter of said air-vent is 8mm.
Said arbor body is provided with handle hole.
Said arbor material is selected spheroidal graphite cast-iron QT500 for use.
Larger ratio of height to diameter founding iron mold iron core bone of the present invention utilizes cast iron to be out of shape advantage little, hot good rigidly, and the shape of appropriate design arbor selects for use suitable cast iron materials to produce the ingot mould arbor of high life.In order to produce high-quality larger ratio of height to diameter ingot mould, the ingot mould arbor requires to have the intensity height, good rigidly, and it is few to hang sand all around, advantages such as the core good permeability of making.
Therefore, the present invention selects the material of spheroidal graphite cast-iron QT500 as arbor for use, it not only intensity guaranteed the intensity and the toughness of arbor not second to steel but also have higher percentage elongation.On the cross sectional shape of arbor, cast with being convenient in order to strengthen its rigidity, the present invention selects rectangle, and Hough divides two making, and the processing back is with bolted together; And the hole that drills through some diameter 8mm in the above is as air-vent; Be provided with some extension sand teeth in addition to strengthen the sand ability of hanging.
Description of drawings
Fig. 1 is the structural representation of a kind of larger ratio of height to diameter founding iron mold iron core bone of the present invention.
Fig. 2 is the profile of a kind of larger ratio of height to diameter founding iron mold iron core bone of the present invention.
Reference numeral:
1 is the arbor body, and 2 is bolt, and 3 is packing ring, and 4 is nut, and 5 is air-vent, and 6 for hanging the sand tooth, and 7 is handle hole.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
Referring to Fig. 1 and Fig. 2; A kind of larger ratio of height to diameter founding iron mold iron core bone of the present invention mainly is made up of arbor body 1; Arbor body 1 is closed up by two and half sheet ductile cast iron materials and forms rectangular body; Every ductile cast iron material is provided with outstanding edge; The edge of two and half sheets is in addition fastening through bolt 2, nut 4 and packing ring 3, thereby constitutes arbor body 1.
Several air-vents 5 are set on arbor body 1, and the diameter of air-vent 5 is 8mm.Some extension sand teeth 6 also are set, to strengthen the sand ability of hanging on the arbor body 1.
On arbor body 1, also be provided with handle hole 7, be convenient to handling.
Larger ratio of height to diameter founding iron mold iron core bone of the present invention is selected the material of spheroidal graphite cast-iron QT500 as arbor for use, it not only intensity guaranteed the intensity and the toughness of arbor not second to steel but also have higher percentage elongation.The present invention selects rectangular body, divides two Houghs to make, and the processing back has been strengthened the arbor rigidity and has been convenient to casting with bolted together.The hole that on arbor, has drilled through some diameter 8mm is as air-vent, and on arbor, is provided with some extension sand teeth to strengthen the sand ability of hanging.
In sum, larger ratio of height to diameter founding iron mold iron core bone of the present invention has shape reasonable in design, selects for use ductile cast iron material to produce the ingot mould arbor of high life, has intensity height, good rigidly simultaneously, hangs advantages such as sand is few, core good permeability all around.
Certainly; Those skilled in the art in the present technique field will be appreciated that; The foregoing description only is to be used for illustrating the present invention; And be not with opposing qualification of the present invention; As long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention the variation of the foregoing description, modification etc.

Claims (5)

1. larger ratio of height to diameter founding iron mold iron core bone; It comprises the arbor body; It is characterized in that: said arbor body is closed up by two and half sheet ductile cast iron materials and forms rectangular body; Every ductile cast iron material is provided with outstanding edge; The edge of two and half sheets constitutes the arbor body through bolted, and several air-vents are set on the arbor body.
2. larger ratio of height to diameter founding iron mold iron core bone as claimed in claim 1 is characterized in that: said arbor body is provided with some extension sand teeth.
3. larger ratio of height to diameter founding iron mold iron core bone as claimed in claim 1 is characterized in that: the diameter of said air-vent is 8mm.
4. larger ratio of height to diameter founding iron mold iron core bone as claimed in claim 1 is characterized in that: said arbor body is provided with handle hole.
5. larger ratio of height to diameter founding iron mold iron core bone as claimed in claim 1 is characterized in that: said arbor material is selected spheroidal graphite cast-iron QT500 for use.
CN201110292226XA 2011-09-29 2011-09-29 Steel ingot mold cast-iron core bar with large ratio of height to diameter Pending CN102343423A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110292226XA CN102343423A (en) 2011-09-29 2011-09-29 Steel ingot mold cast-iron core bar with large ratio of height to diameter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110292226XA CN102343423A (en) 2011-09-29 2011-09-29 Steel ingot mold cast-iron core bar with large ratio of height to diameter

Publications (1)

Publication Number Publication Date
CN102343423A true CN102343423A (en) 2012-02-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110292226XA Pending CN102343423A (en) 2011-09-29 2011-09-29 Steel ingot mold cast-iron core bar with large ratio of height to diameter

Country Status (1)

Country Link
CN (1) CN102343423A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014082388A1 (en) * 2012-11-29 2014-06-05 江苏恒立高压油缸股份有限公司 Heterogeneous valve body core frame
CN104353787A (en) * 2014-10-30 2015-02-18 宁夏共享装备有限公司 Ultra-long multi-tooth cast iron core rod for metal mold casting and casting method for ultra-long multi-tooth cast iron core rod
CN107824746A (en) * 2017-11-02 2018-03-23 广西玉柴机器股份有限公司 The arbor component of ship machine cross gate core

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1333183A (en) * 1970-05-04 1973-10-10 Koninklijke Hoogovens En Staal Ingot moulds
JPS6076252A (en) * 1983-10-03 1985-04-30 Kubota Ltd Casting mold made of cast iron having two-layered structure for steel ingot
CN2486234Y (en) * 2001-05-29 2002-04-17 阎惠来 Pipe core for producing long and thin deep hole pipe
CN1404941A (en) * 2002-11-04 2003-03-26 沪东重机股份有限公司 Method for casting cast-steel piece with deep-long through hole
CN1555942A (en) * 2004-01-02 2004-12-22 李钟毅 Mould used for fast production of automobile brake drum casting sand mould

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1333183A (en) * 1970-05-04 1973-10-10 Koninklijke Hoogovens En Staal Ingot moulds
JPS6076252A (en) * 1983-10-03 1985-04-30 Kubota Ltd Casting mold made of cast iron having two-layered structure for steel ingot
CN2486234Y (en) * 2001-05-29 2002-04-17 阎惠来 Pipe core for producing long and thin deep hole pipe
CN1404941A (en) * 2002-11-04 2003-03-26 沪东重机股份有限公司 Method for casting cast-steel piece with deep-long through hole
CN1555942A (en) * 2004-01-02 2004-12-22 李钟毅 Mould used for fast production of automobile brake drum casting sand mould

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014082388A1 (en) * 2012-11-29 2014-06-05 江苏恒立高压油缸股份有限公司 Heterogeneous valve body core frame
CN104353787A (en) * 2014-10-30 2015-02-18 宁夏共享装备有限公司 Ultra-long multi-tooth cast iron core rod for metal mold casting and casting method for ultra-long multi-tooth cast iron core rod
CN107824746A (en) * 2017-11-02 2018-03-23 广西玉柴机器股份有限公司 The arbor component of ship machine cross gate core
CN107824746B (en) * 2017-11-02 2022-06-07 广西玉柴机器股份有限公司 Core bar assembly of ship engine horizontal pouring channel core

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Application publication date: 20120208