CN109332586A - A kind of production method casting mould closer - Google Patents

A kind of production method casting mould closer Download PDF

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Publication number
CN109332586A
CN109332586A CN201811405264.XA CN201811405264A CN109332586A CN 109332586 A CN109332586 A CN 109332586A CN 201811405264 A CN201811405264 A CN 201811405264A CN 109332586 A CN109332586 A CN 109332586A
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CN
China
Prior art keywords
sand
mold
core
nowel
box
Prior art date
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Pending
Application number
CN201811405264.XA
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Chinese (zh)
Inventor
谭野
杜应流
王成龙
杜习顺
李福琴
吴娇
徐锐
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.)
HUOSHAN CASTING CO Ltd ANHUI YINGLIU GROUP
Original Assignee
HUOSHAN CASTING CO Ltd ANHUI YINGLIU GROUP
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 HUOSHAN CASTING CO Ltd ANHUI YINGLIU GROUP filed Critical HUOSHAN CASTING CO Ltd ANHUI YINGLIU GROUP
Priority to CN201811405264.XA priority Critical patent/CN109332586A/en
Publication of CN109332586A publication Critical patent/CN109332586A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings

Abstract

The invention discloses a kind of production methods for casting mould closer, it is the following steps are included: 1) technological preparation: carrying out technological design according to the concrete shape of product, it determines die joint and divides the position in core face, and the production of sand mold mould and core mold is completed according to the technological requirements, the size qualification of detection confirmation sand mold mould and core mold;2) prepare mold: sand mold mould and core mold being transported to the smooth placement in operation scene, and using fine, soft fur brush to sand mold mould and core mold brushing release agent, air-dried after the completion of brushing;3) top box sand mold makes: being put into cast tube type running gate system, riser in top box, chill in top box mold by technique requirement, recycle sand mixer that prepared resin sand is put into top box mold, it is struck off after hand punning, steady molding, obtains the top box sand mold that sand core is carried containing top box after solidification 30-40 minutes.The present invention is conducive to improve the qualification rate of product.

Description

A kind of production method casting mould closer
Technical field
The present invention relates to casting technology fields, more particularly to a kind of production method for casting mould closer.
Background technique
Large-scale wheel-type components product is also easy to produce the casting flaws such as core floatation, drop, slag inclusion, product during casting Associated shape and size are difficult control in the range of specification requirement, cause component product qualification rate low, and scrappage is high, waste Manually, the resources such as raw material are also easy to produce the casting flaws such as core floatation, drop, slag inclusion for existing product and inside and outside contour size are difficult The problem of to control, the present invention provide a kind of casting mould closer, can solve drift using the casting mould closer cast article Off-dimension caused by core avoids the defects of molten steel directly fills and generates drop, slag inclusion in casting process, and guarantees that molten steel exists During filling type, complete dross and exhaust.
Summary of the invention
The object of the present invention is to provide a kind of production methods for casting mould closer, can effectively solve in background technique The technical issues of being previously mentioned.
To achieve the above object, the invention provides the following technical scheme:
A kind of production method casting mould closer comprising following steps:
1) technological preparation: carrying out technological design according to the concrete shape of product, determine die joint and divide the position in core face, and The production of sand mold mould and core mold, the size conjunction of detection confirmation sand mold mould and core mold are completed according to the technological requirements Lattice, sand mold mould and core mold include top box mold, nowel mold, top box external mold core mold, nowel external mold core mold;
2) prepare mold: sand mold mould and core mold being transported to the smooth placement in operation scene, and using fine, soft fur brush to sand Pattern tool and core mold brushing release agent air-dry after the completion of brushing;
3) top box sand mold makes: be put into top box mold by technique requirement cast tube type running gate system in top box, Riser, chill recycle sand mixer that prepared resin sand is put into top box mold, strike off after hand punning, solidify 30- Steady molding after forty minutes obtains the top box sand mold that sand core is carried containing top box;
4) nowel sand mold makes: be put into nowel mold by technique requirement cast tube type running gate system in nowel, Prepared resin sand is put into nowel mold using sand mixer, is struck off after hand punning by chill, is solidified 30-40 minutes Steady molding afterwards obtains the nowel sand mold that sand core is carried containing nowel;
5) top box external mold sand core, nowel external mold sand core are made: prepared resin sand being put into outside top box using sand mixer Sand core mold, strikes off after hand punning, solidifies 20-30 minutes, obtains top box external mold sand core, will be prepared using sand mixer Resin sand be put into nowel external mold core mold, struck off after hand punning, solidify 20-30 minutes, obtain nowel external mold sand core;
6) it brushes: selecting the strengthened coat liquid for meeting that technique requires and proportion is completed, top box is carried into sand core, nowel carries Sand core, top box external mold sand core, uniform brushing strengthened coat liquid on the table wall that is in contact on nowel external mold sand core with molten metal, first After layer is brushed, point is burnt to hardening, and the brushing second layer after being cooled to room temperature is continuous to brush 5 or 6 layers, later, clears up surface Floating sand and impurity;
7) the floating sand in nowel sand mold inner cavity is cleaned out and be located at mould assembling place it is smooth, using driving will be outside nowel Sand core is slowly steadily put into nowel sand mold, while it is damaged to avoid sand core from occurring, and is cleared up again floating in nowel sand mold inner cavity Sand and impurity, and steel drive pin is placed respectively on the die joint for dividing core face and nowel sand mold of nowel external mold sand core;
8) the floating sand on nowel external mold sand core is cleaned out, removes Burr removal wedge angle, using driving by top box external mold sand core Slowly steadily be placed on nowel external mold sand core divides core face, and cooperates with steel drive pin and fix;
9) mould assembling: top box external mold sand core is slowly steadily carried out to mould assembling with top box sand mold, and solid with steel drive pin cooperation It is fixed, then mould assembling is detected by open riser and is met the requirements, recycle dedicated box card to lock top box sand mold and nowel sand mold, point Type face is filled and led up by water-glass sand.
Preferably, four are placed respectively on the die joint for dividing core face and nowel sand mold of nowel external mold sand core in step 7) Steel drive pin.
Preferably, the steel drive pin is cone.
Compared with prior art, the beneficial effects of the present invention are:
Using the casting mould closer in the present invention it is effective solve can solve core floatation caused by off-dimension, The defects of molten steel directly fills and generates drop, slag inclusion in casting process is avoided, and guarantees that molten steel during filling type, completely floats Slag and exhaust improve the qualification rate of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that mould closer is cast in the embodiment of the present invention;
In figure, 1, top box carry sand core, 2, nowel carry sand core, 3, top box external mold sand core, 4, nowel external mold sand core, 5, on Case sand mold, 6, nowel sand mold, 7, die joint, 8, divide core face, 9, cast tube type running gate system.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
Embodiment one:
A kind of production method casting mould closer comprising following steps:
1) technological preparation: carrying out technological design according to the concrete shape of product, determine die joint 7 and divide the position in core face 8, And the production of sand mold mould and core mold is completed according to the technological requirements, the size of detection confirmation sand mold mould and core mold is closed Lattice, sand mold mould and core mold include top box mold, nowel mold, top box external mold core mold, nowel external mold core mold;
2) prepare mold: sand mold mould and core mold being transported to the smooth placement in operation scene, and using fine, soft fur brush to sand Pattern tool and core mold brushing release agent air-dry after the completion of brushing;
3) top box sand mold makes: be put into top box mold by technique requirement cast tube type running gate system 9 in top box, Riser, chill recycle sand mixer that prepared resin sand is put into top box mold, strike off after hand punning, solidify 30- Steady molding after forty minutes obtains the top box sand mold 5 that sand core 1 is carried containing top box;
4) nowel sand mold makes: be put into nowel mold by technique requirement cast tube type running gate system 9 in nowel, Prepared resin sand is put into nowel mold using sand mixer, is struck off after hand punning by chill, is solidified 30-40 minutes Steady molding afterwards obtains the nowel sand mold 6 that sand core 2 is carried containing nowel;
5) top box external mold sand core 3, nowel external mold sand core 4 are made: prepared resin sand being put into top box using sand mixer External mold core mold, strikes off after hand punning, solidifies 20-30 minutes, obtains top box external mold sand core 3, will be matched using sand mixer The resin sand made is put into nowel external mold core mold, strikes off after hand punning, solidifies 20-30 minutes, obtains nowel external mold Sand core 4;
6) brushing: selecting the strengthened coat liquid for meeting that technique requires and proportion is completed, and top box is carried sand core 1, nowel certainly With brushing strengthened coat uniform on the table wall being in contact on sand core 2, top box external mold sand core 3, nowel external mold sand core 4 with molten metal Liquid, after first layer brushing, point is burnt to hardening, and the brushing second layer after being cooled to room temperature is continuous to brush 5 or 6 layers, later, It clears up surface and floats sand and impurity;
7) the floating sand in 6 inner cavity of nowel sand mold is cleaned out and be located at mould assembling place it is smooth, using driving by nowel External mold sand core 4 is slowly steadily put into nowel sand mold 6, while it is damaged to avoid sand core from occurring, and clears up in 6 inner cavity of nowel sand mold again Floating sand and impurity, and place on the die joint 7 for dividing core face 8 and nowel sand mold 6 of nowel external mold sand core 4 steel positioning respectively Pin;
8) the floating sand on nowel external mold sand core 4 is cleaned out, removes Burr removal wedge angle, using driving by top box external mold sand core 3 be slowly steadily placed on nowel external mold sand core 4 divide core face 8, and cooperate with steel drive pin and fix;
9) mould assembling: top box external mold sand core 3 is slowly steadily carried out with top box sand mold 5 to mould assembling, and is cooperated with steel drive pin It is fixed, then mould assembling is detected by open riser and is met the requirements, recycle dedicated box card to lock top box sand mold 5 and nowel sand mold 6 Tightly, die joint 7 is filled and led up by water-glass sand.
Embodiment two:
A kind of production method casting mould closer comprising following steps:
1) technological preparation: carrying out technological design according to the concrete shape of product, determine die joint 7 and divide the position in core face 8, And the production of sand mold mould and core mold is completed according to the technological requirements, the size of detection confirmation sand mold mould and core mold is closed Lattice, sand mold mould and core mold include top box mold, nowel mold, top box external mold core mold, nowel external mold core mold;
2) prepare mold: sand mold mould and core mold being transported to the smooth placement in operation scene, and using fine, soft fur brush to sand Pattern tool and core mold brushing release agent air-dry after the completion of brushing;
3) top box sand mold makes: be put into top box mold by technique requirement cast tube type running gate system 9 in top box, Riser, chill recycle sand mixer that prepared resin sand is put into top box mold, strike off after hand punning, solidify 30- Steady molding after forty minutes obtains the top box sand mold 5 that sand core 1 is carried containing top box;
4) nowel sand mold makes: be put into nowel mold by technique requirement cast tube type running gate system 9 in nowel, Prepared resin sand is put into nowel mold using sand mixer, is struck off after hand punning by chill, is solidified 30-40 minutes Steady molding afterwards obtains the nowel sand mold 6 that sand core 2 is carried containing nowel;
5) top box external mold sand core 3, nowel external mold sand core 4 are made: prepared resin sand being put into top box using sand mixer External mold core mold, strikes off after hand punning, solidifies 20-30 minutes, obtains top box external mold sand core 3, will be matched using sand mixer The resin sand made is put into nowel external mold core mold, strikes off after hand punning, solidifies 20-30 minutes, obtains nowel external mold Sand core 4;
6) brushing: selecting the strengthened coat liquid for meeting that technique requires and proportion is completed, and top box is carried sand core 1, nowel certainly With brushing strengthened coat uniform on the table wall being in contact on sand core 2, top box external mold sand core 3, nowel external mold sand core 4 with molten metal Liquid, after first layer brushing, point is burnt to hardening, and the brushing second layer after being cooled to room temperature is continuous to brush 5 or 6 layers, later, It clears up surface and floats sand and impurity;
7) the floating sand in 6 inner cavity of nowel sand mold is cleaned out and be located at mould assembling place it is smooth, using driving by nowel External mold sand core 4 is slowly steadily put into nowel sand mold 6, while it is damaged to avoid sand core from occurring, and clears up in 6 inner cavity of nowel sand mold again Floating sand and impurity, and place four steels respectively on the die joint 7 for dividing core face 8 and nowel sand mold 6 of nowel external mold sand core 4 Positioning pin;
8) the floating sand on nowel external mold sand core 4 is cleaned out, removes Burr removal wedge angle, using driving by top box external mold sand core 3 be slowly steadily placed on nowel external mold sand core 4 divide core face 8, and cooperate with steel drive pin and fix;
9) mould assembling: top box external mold sand core 3 is slowly steadily carried out with top box sand mold 5 to mould assembling, and is cooperated with steel drive pin It is fixed, then mould assembling is detected by open riser and is met the requirements, recycle dedicated box card to lock top box sand mold 5 and nowel sand mold into 6 rows Tightly, die joint is filled and led up by water-glass sand.
For the ingate of off-gauge ingate or complexity, people can freely design ingate shape, not by other Factor influences, and since the ingate in the present invention is composed without the use of several sand cores, the precision for improving ingate simplifies Operation improves product quality.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.

Claims (3)

1. a kind of production method for casting mould closer, which comprises the following steps:
1) technological preparation: carrying out technological design according to the concrete shape of product, determines die joint and divides the position in core face, and according to Technique requires to complete the production of sand mold mould and core mold, the size qualification of detection confirmation sand mold mould and core mold, sand Pattern tool and core mold include top box mold, nowel mold, top box external mold core mold, nowel external mold core mold;
2) prepare mold: sand mold mould and core mold being transported to the smooth placement in operation scene, and using fine, soft fur brush to sand mould Tool and core mold brushing release agent air-dry after the completion of brushing;
3) top box sand mold makes: be put into top box mold by technique requirement cast tube type running gate system, riser in top box, Chill recycles sand mixer that prepared resin sand is put into top box mold, strikes off after hand punning, and 30-40 points of solidification Steady molding, obtains the top box sand mold that sand core is carried containing top box after clock;
4) nowel sand mold makes: cast tube type running gate system in nowel, chill are put into nowel mold by technique requirement, Prepared resin sand is put into nowel mold using sand mixer, is struck off after hand punning, it is steady after solidification 30-40 minutes Molding obtains the nowel sand mold that sand core is carried containing nowel;
5) top box external mold sand core, nowel external mold sand core are made: prepared resin sand being put into sand outside top box using sand mixer Core mold strikes off after hand punning, solidifies 20-30 minutes, obtains top box external mold sand core, using sand mixer by prepared tree Rouge sand is put into nowel external mold core mold, strikes off after hand punning, solidifies 20-30 minutes, obtains nowel external mold sand core;
6) it brushes: selecting the strengthened coat liquid for meeting that technique requires and proportion is completed, top box is carried into sand core, nowel carries sand Core, top box external mold sand core, uniform brushing strengthened coat liquid on the table wall that is in contact on nowel external mold sand core with molten metal, first layer After brushing, point is burnt to hardening, and the brushing second layer after being cooled to room temperature is continuous to brush 5 or 6 layers, and later, cleaning surface is floating Sand and impurity;
7) the floating sand in nowel sand mold inner cavity is cleaned out and be located at mould assembling place it is smooth, using driving by sand outside nowel Core is slowly steadily put into nowel sand mold, while it is damaged to avoid sand core from occurring, clear up again floating sand in nowel sand mold inner cavity and Impurity, and steel drive pin is placed respectively on the die joint for dividing core face and nowel sand mold of nowel external mold sand core;
8) the floating sand on nowel external mold sand core is cleaned out, removes Burr removal wedge angle, it is using driving a vehicle that top box external mold sand core is slow Steadily be placed on nowel external mold sand core divides core face, and cooperates with steel drive pin and fix;
9) top box external mold sand core: slowly steadily being carried out mould assembling with top box sand mold, and cooperates with steel drive pin and fix by mould assembling, then Mould assembling is detected by open riser to meet the requirements, and recycles dedicated box card to lock top box sand mold and nowel sand mold, die joint It is filled and led up by water-glass sand.
2. a kind of production method for casting mould closer according to claim 1, it is characterised in that: in nowel in step 7) Four steel drive pins are placed on the die joint for dividing core face and nowel sand mold of external mold sand core respectively.
3. a kind of production method for casting mould closer according to claim 2, it is characterised in that: the steel drive pin For cone.
CN201811405264.XA 2018-11-23 2018-11-23 A kind of production method casting mould closer Pending CN109332586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7270171B2 (en) * 2003-05-27 2007-09-18 Edgardo Campomanes Evaporative foam risers with exothermic topping
CN101195151A (en) * 2007-12-19 2008-06-11 西安汇群机械科技有限公司 Thermal couple protector tube processing technique
CN102380586A (en) * 2011-10-18 2012-03-21 浙江省机电设计研究院有限公司 Device and production method for manufacturing automobile rear axle cast through metal mold with sand lining
CN103878322A (en) * 2014-03-27 2014-06-25 南车戚墅堰机车车辆工艺研究所有限公司 Casting method for metro vehicle traction center steel casting
CN104399881A (en) * 2014-11-21 2015-03-11 宜昌船舶柴油机有限公司 Casting method for steel casting of bearing pedestal of low-speed diesel engine for large-cylinder-diameter ship
CN105458173A (en) * 2015-12-28 2016-04-06 共享铸钢有限公司 Molding method for air cylinder casting of steam turbine
CN106363129A (en) * 2016-08-31 2017-02-01 共享铸钢有限公司 Casting technique of supporting frame for building
CN107245640A (en) * 2017-06-15 2017-10-13 甘肃酒钢集团西部重工股份有限公司 A kind of wind-powered electricity generation taper spindle and preparation method thereof and running gate system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7270171B2 (en) * 2003-05-27 2007-09-18 Edgardo Campomanes Evaporative foam risers with exothermic topping
CN101195151A (en) * 2007-12-19 2008-06-11 西安汇群机械科技有限公司 Thermal couple protector tube processing technique
CN102380586A (en) * 2011-10-18 2012-03-21 浙江省机电设计研究院有限公司 Device and production method for manufacturing automobile rear axle cast through metal mold with sand lining
CN103878322A (en) * 2014-03-27 2014-06-25 南车戚墅堰机车车辆工艺研究所有限公司 Casting method for metro vehicle traction center steel casting
CN104399881A (en) * 2014-11-21 2015-03-11 宜昌船舶柴油机有限公司 Casting method for steel casting of bearing pedestal of low-speed diesel engine for large-cylinder-diameter ship
CN105458173A (en) * 2015-12-28 2016-04-06 共享铸钢有限公司 Molding method for air cylinder casting of steam turbine
CN106363129A (en) * 2016-08-31 2017-02-01 共享铸钢有限公司 Casting technique of supporting frame for building
CN107245640A (en) * 2017-06-15 2017-10-13 甘肃酒钢集团西部重工股份有限公司 A kind of wind-powered electricity generation taper spindle and preparation method thereof and running gate system

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