CN106077491A - A kind of casting moulding system and production method - Google Patents

A kind of casting moulding system and production method Download PDF

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Publication number
CN106077491A
CN106077491A CN201610644577.5A CN201610644577A CN106077491A CN 106077491 A CN106077491 A CN 106077491A CN 201610644577 A CN201610644577 A CN 201610644577A CN 106077491 A CN106077491 A CN 106077491A
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CN
China
Prior art keywords
sand
sandbox
precoated
sand mold
mold
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
CN201610644577.5A
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Chinese (zh)
Inventor
常斌
廖承智
黄为
王威明
童攀
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Changsha Jinlong Foundry Industry Co Ltd
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Changsha Jinlong Foundry Industry 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 Changsha Jinlong Foundry Industry Co Ltd filed Critical Changsha Jinlong Foundry Industry Co Ltd
Priority to CN201610644577.5A priority Critical patent/CN106077491A/en
Publication of CN106077491A publication Critical patent/CN106077491A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/08Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/082Sprues, pouring cups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/20Stack moulds, i.e. arrangement of multiple moulds or flasks

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)

Abstract

A kind of casting moulding system and production method, casting moulding system, including sandbox;The bottom quartz sand layer being arranged in sandbox;It is superimposed upon the precoated sand sand mold on the quartz sand layer of bottom;It is positioned at the grid sieve that inner wall of sand box is other;The sidepiece quartz sand layer being filled between grid sieve and precoated sand sand mold;The press strip removably connected with sandbox;Regulating block between the top of press strip and precoated sand sand mold;The quartz sand last layer stacking of precoated sand sand mold bottom in sandbox is added, in the bottom of the sprue of lowermost layer precoated sand sand mold, is provided with the blocking of precoated sand molten iron;When precoated sand sand mold superposition is close to sandbox upper surface, respectively placing one piece of grid sieve in inner wall of sand box surrounding, the quartz sand of 20~40 mesh of the space between precoated sand sand mold and grid sieve tamps;Being put in fixing clinching one end of press strip, gap regulating block is put in the gap of press strip and precoated sand sand mold, and the other end of press strip is pushed down in activity clinching, activity clinching is fixed on sandbox.

Description

A kind of casting moulding system and production method
Technical field
The present invention relates to casting technology field, especially relate to a kind of small-sized casting moulding system and the production of small-sized foundry goods Method.
Background technology
The production method of general small-sized cast product is removable flask moulding or stripper-plate mo(u)ld, these formative method floor spaces Greatly, Modeling Material consumes many, and the casing of use, foundary weight are many, cumbersome;And small-sized cast product is lightweight, single products ferrum Water demand is little, must subcontract cast during cast, and the duration of pouring is long, easily causes the nodularization of spheroidization molten iron, inoculation fade, Unstable product quality.
CN1951596 discloses a kind of hot precoated sand stack casting process on April 25th, 2007, including molding, molding sand The steps such as preparation, core pattern making, core pattern shaping, matched moulds, cast, sand removal, the model that molding is made is metal pattern, sand conditioning Raw material used by is precoated sand, uses core shooter to carry out core pattern and makes and core pattern shaping, vertical pile core pattern during matched moulds, composition Stack-type running gate system.Selecting a plane iron plate as matched moulds base plate, the surrounding of matched moulds base plate is porose, can penetrate tie down screw.Closing Spread about 1 millimeters thick above baffle plate encloses case sand, the balance after regulating multilamellar core pattern superposition.Again core pattern is the most vertically folded Adding discharge, the number of plies of superposition determines according to thickness and the weight of core pattern, not explode case as principle.Place flat at core pattern top, upper strata Ferrum, the two ends of band iron are porose, penetrate screw rod from top until matched moulds base plate, with nut by matched moulds base plate, the core pattern of multiple-layer stacked It is integrally forming with band iron locking, constitutes stack-type running gate system.The down gate that each layer core pattern composition in stack-type running gate system shares, This sprue connects each layer runner gate and ingate.Stack-type running gate system being put into encloses in case, fills and enclose case sand in enclosing case, to protect The bulk strength of card stack-type running gate system.The program has the following disadvantages: screw rod positions, mould assembling low precision, product mould assembling Deviation value is bigger than normal;Operation complexity.
Summary of the invention
In order to overcome the defect of prior art, the present invention provides a kind of efficiency high, and energy consumption is low, and the foundry goods of good product quality waters Injection system and the production method of small-sized foundry goods.
In order to solve above-mentioned technical problem, on the one hand, the present invention provides a kind of casting moulding system, including sandbox;Arrange Steam vent on four perisporiums of described sandbox;The bottom quartz sand layer being arranged in described sandbox;Some it is superimposed upon the described end Precoated sand sand mold on portion's quartz sand layer;It is positioned at the grid sieve that described sandbox surrounding inwall is other;It is filled in described grid sieve And the sidepiece quartz sand layer between precoated sand sand mold;The press strip removably connected with described sandbox;It is positioned at described press strip and overlay film Regulating block between the top of sand sand mold;Described precoated sand sand mold includes lower impressions portion and upper impression portion, in described upper impression portion Offering positioning boss or detent, described lower impressions portion offers detent or positioning boss, described positioning boss is with fixed Groove fit location, position, sprue offered by described precoated sand sand mold, and the sprue of the precoated sand sand mold being superimposed is mutual Align and connect;Described upper impression portion is provided with the cross gate connected with described sprue;Described lower impressions portion is provided with described The ingate of cross gate connection, is provided with the blocking of precoated sand molten iron in the bottom of the sprue of lowermost layer precoated sand sand mold.
As improving technical scheme further: the casting moulding system that the present invention provides, described bottom quartz sand layer and side Portion's quartz sand layer is the quartzy dry sand of 20~40 mesh.
As improving technical scheme further: the casting moulding system that the present invention provides, described grid sieve is 140 purposes Sieve.
As improving technical scheme further: the casting moulding system that the present invention provides, also have and described sandbox top The fixing clinching that side connects;The activity clinching that clinching opposite side removably connects is fixed with described sandbox;The one of described press strip End inserts in described fixing clinching, and the other end is connected with sandbox by activity clinching.
In order to solve above-mentioned technical problem, on the other hand, the present invention provides a kind of castings production method, including following step Rapid:
Making precoated sand sand mold, described precoated sand sand mold includes lower impressions portion and upper impression portion, and it is fixed that described upper impression portion offers Position boss or detent, described lower impressions portion offers detent or positioning boss, described positioning boss and detent Coordinating location, described precoated sand sand mold is offered sprue, described upper impression portion is provided with the cross gate connected with described sprue, Described lower impressions portion is provided with the ingate connected with described cross gate;
One layer 20~the quartz sand of 40 mesh are placed in bottom in sandbox, and four perisporiums of described sandbox are provided with steam vent;
The quartz sand last layer stacking of precoated sand sand mold bottom in sandbox is added, during superposition, every suit precoated sand sand mold Lower impressions portion is positioned at the lower section in the upper impression portion of this precoated sand sand mold, and the sprue of the precoated sand sand mold being superimposed is the most right Neat and connect, it is provided with the blocking of precoated sand molten iron in the bottom of the sprue of lowermost layer precoated sand sand mold;
When precoated sand sand mold superposition is close to sandbox upper surface, respectively place one piece of grid sieve, precoated sand in inner wall of sand box surrounding Space between sand mold and the grid sieve quartz sand of 20~40 mesh tamps;
Described sandbox top side connect have fixing clinching, described sandbox top be connected with fixing clinching opposite side have dismountable Activity clinching, is put into one end of press strip in fixing clinching, and gap regulating block is put into the seam of press strip and the superiors' precoated sand sand mold In gap, the other end of press strip is pushed down in activity clinching, activity clinching is fixed on sandbox with screw rod.
In the case of not conflicting, above improvement project or implement alone or in combination.
The technical scheme that the present invention provides, multiple precoated sand sand molds 01 are superimposed, and multiple small-sized foundry goods are poured into a mould simultaneously, Improve the iron water amount in casting process, cast efficiency is high, it is to avoid because the duration of pouring is long, easily cause the ball of spheroidization molten iron Change, inoculation fade.So that technique casting quality is stable, product yield is high;Cost relative reduction, production efficiency is high, saves The energy.
Accompanying drawing explanation
Accompanying drawing is used for providing a further understanding of the present invention, constitutes the part of the application, and the present invention's is schematic real Execute example and illustrate for explaining the present invention, but being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of embodiment one casting moulding system;
Fig. 2 is the structural representation in the upper impression portion of embodiment casting moulding system;
Fig. 3 is the structural representation in the lower impressions portion of embodiment casting moulding system;
Fig. 4 is the structural representation of the grid sieve of embodiment casting moulding system;
Fig. 5 is the use view of the precoated sand molten iron blocking of embodiment casting moulding system;
Fig. 6 is the structural representation of embodiment two casting moulding system.
Detailed description of the invention
Casting moulding system as shown in Figures 1 to 5, including sandbox 05;It is arranged at the aerofluxus on four perisporiums of sandbox 05 Hole 07;The bottom quartz sand layer being arranged in sandbox 05;Some precoated sand sand molds 01 being superimposed upon on the quartz sand layer of bottom;It is positioned at The grid sieve 06 that sandbox 05 surrounding inwall is other;The sidepiece quartz sand layer being filled between grid sieve 06 and precoated sand sand mold 01 08;The press strip 13 removably connected with sandbox 05;Regulating block 12 between the top of press strip 13 and precoated sand sand mold 01;Cover Film sand sand mold 01 includes lower impressions portion 09 and upper impression portion 10, and upper impression portion 10 offers positioning boss 15 or detent, under Offer detent 16 or positioning boss, positioning boss 15 and detent 16 in die cavity portion 09 and coordinate location, precoated sand sand mold Offering sprue 04 on 01, the sprue 04 of the precoated sand sand mold 01 being superimposed is mutually aligned and connects;Upper impression portion 10 It is provided with the cross gate 03 connected with sprue 04;Lower impressions portion 09 is provided with the ingate 02 connected with cross gate 03, lowermost layer Precoated sand molten iron blocking 17 it is provided with in the bottom of the sprue 04 of precoated sand sand mold 01.Bottom quartz sand layer and sidepiece quartz sand Layer 08 is the quartzy dry sand of 20~40 mesh;Sandbox 05 top side connects fixing clinching 11, sandbox 05 top and fixing pressure Detaining 11 opposite sides connections and have dismountable activity clinching 14, one end of press strip 13 is inserted in described fixing clinching 11, and the other end leads to Dynamic pressure button 14 of making a living is connected with sandbox 05.
Small-sized castings production process comprises the following steps:
Making precoated sand sand mold 01, precoated sand sand mold 01 includes lower impressions portion 09 and upper impression portion 10, upper impression portion 10 offers Positioning boss 15 or detent, lower impressions portion 09 offers detent 16 or positioning boss, positioning boss 15 and location recessed Groove 16 coordinates location, and precoated sand sand mold 01 is offered sprue 04, and upper impression portion 10 is provided with the cross gate connected with sprue 04 03, lower impressions portion 09 is provided with the ingate 02 connected with cross gate 03;
One layer 20~the quartz sand of 40 mesh are placed in bottom in sandbox 05, and four perisporiums of described sandbox 05 are provided with steam vent 07;
The quartz sand last layer stacking of the precoated sand sand mold 01 bottom in sandbox 05 is added, during superposition, every suit precoated sand sand The lower impressions portion 09 of type 01 is positioned at the lower section in the upper impression portion 10 of this precoated sand sand mold 01, the precoated sand sand mold 01 being superimposed Sprue 04 be mutually aligned and connect, be provided with in the bottom of the sprue 04 in lowermost layer lower impressions portion 09 precoated sand molten iron block up Plug 17;
When precoated sand sand mold 01 superposition is close to sandbox 05 upper surface, respectively place one piece of grid sieve in sandbox 05 inwall surrounding 06, the quartz sand 08 of 20~40 mesh of the space between precoated sand sand mold 01 and grid sieve 06 tamps;
Described sandbox 05 top side connect have fixing clinching 11, sandbox 05 top be connected with fixing clinching 11 opposite side have removable The activity clinching 14 unloaded, is put into one end of press strip 13 in fixing clinching 11, and gap regulating block 12 is put into press strip 13 and the superiors In the gap of precoated sand sand mold 01, the other end of press strip 13 is pushed down in activity clinching 14, with screw rod, activity clinching 14 is fixed on sand On case 05.
Casting moulding system as shown in Figure 6, sandbox 05 also can place multiple row precoated sand sand mold 01, each row precoated sand sand mold Filling quartz sand between 01, improves cast efficiency further.
The technical scheme that the present invention provides, four perisporiums of sandbox 05 are provided with steam vent 07, when pouring cast part, can get rid of Gas in quartz sand layer;It is positioned at the grid sieve 06 that sandbox 05 surrounding inwall is other, can stop that quartz sand flows from steam vent 07 Go out, make precoated sand sand mold 01 preferably be fixed.The bottom quartz sand layer being arranged in sandbox 05, plays guarantor when pouring cast part Temperature effect, it is to avoid the hurried cooling of foundry goods, improves product quality.
The technical scheme that the present invention provides, multiple precoated sand sand molds 01 are superimposed, and multiple small-sized foundry goods are poured into a mould simultaneously, Improve the iron water amount in casting process, cast efficiency is high, it is to avoid because the duration of pouring is long, easily cause the ball of spheroidization molten iron Change, inoculation fade.So that technique casting quality is stable, product yield is high;Cost relative reduction, production efficiency is high, saves The energy.
The invention is not restricted to above preferred implementation, the spirit that also can limit in the claims in the present invention and description In, carry out conversion and the improvement of various ways, same technical problem can be solved, and obtain intended technique effect, therefore not weigh State.Those of ordinary skill in the art can from present disclosure directly or all schemes of associating, as long as in right Within requiring the spirit limited, fall within protection scope of the present invention.

Claims (5)

1. a casting moulding system, it is characterised in that: include sandbox (05);It is arranged on four perisporiums of described sandbox (05) Steam vent (07);It is arranged at the bottom quartz sand layer in described sandbox (05);Some it is superimposed upon on the quartz sand layer of described bottom Precoated sand sand mold (01);It is positioned at the grid sieve (06) that described sandbox (05) surrounding inwall is other;It is filled in described grid sieve (06) the sidepiece quartz sand layer (08) and between precoated sand sand mold (01);The press strip removably connected with described sandbox (05) (13);The regulating block (12) being positioned between the top of described press strip (13) and precoated sand sand mold (01);Described precoated sand sand mold (01) include lower impressions portion (09) and upper impression portion (10), described upper impression portion (10) offering positioning boss (15) or positioning recessed Groove, described lower impressions portion (09) is offered detent (16) or positioning boss, described positioning boss (15) and detent (16) coordinate location, described precoated sand sand mold (01) offers sprue (04), the precoated sand sand mold (01) being superimposed Sprue (04) is mutually aligned and connects;Described upper impression portion (10) is provided with the cross gate connected with described sprue (04) (03);Described lower impressions portion (09) is provided with the ingate (02) connected with described cross gate (03), lowermost layer precoated sand sand mold (01) precoated sand molten iron blocking (17) it is provided with in the bottom of sprue (04).
Casting moulding system the most according to claim 1, it is characterised in that: described bottom quartz sand layer and sidepiece quartz Layer of sand (08) is the quartzy dry sand of 20~40 mesh.
Casting moulding system the most according to claim 1, it is characterised in that: described grid sieve (06) is the sieve of 140 mesh Sheet.
Casting moulding system the most according to claim 1, it is characterised in that: also have and described sandbox (05) top one The fixing clinching (11) that side connects;The activity clinching that clinching (11) opposite side fixing with described sandbox (05) removably connects (14);One end of described press strip (13) is inserted in described fixing clinching (11), and the other end passes through activity clinching (14) and sandbox (05) connect.
5. a castings production method, it is characterised in that comprise the following steps:
Making precoated sand sand mold (01), described precoated sand sand mold (01) includes lower impressions portion (09) and upper impression portion (10), described Offer positioning boss (15) or detent in upper impression portion (10), described lower impressions portion (09) is offered detent (16) or Positioning boss, described positioning boss (15) and detent (16) coordinate location, described precoated sand sand mold (01) is offered and directly waters Road (04), described upper impression portion (10) is provided with the cross gate (03) connected with described sprue (04), described lower impressions portion (09) It is provided with the ingate (02) connected with described cross gate (03);
One layer 20~the quartz sand of 40 mesh are placed in bottom in sandbox (05), and four perisporiums of described sandbox (05) are provided with aerofluxus Hole (07);
The quartz sand last layer stacking of the precoated sand sand mold (01) bottom in sandbox (05) is added, during superposition, every suit overlay film The lower impressions portion (09) of sand sand mold (01) is positioned at the lower section in the upper impression portion (10) of this precoated sand sand mold (01), is superimposed The sprue (04) of precoated sand sand mold (01) is mutually aligned and connects, the end of the sprue (04) of lowermost layer precoated sand sand mold (01) Precoated sand molten iron blocking (17) it is provided with in end;
When precoated sand sand mold (01) superposition is close to sandbox (05) upper surface, respectively place one piece of grid in sandbox (05) inwall surrounding Sieve (06), the quartz sand (08) of 20~40 mesh of the space between precoated sand sand mold (01) and grid sieve (06) tamps;
Described sandbox (05) top side connects fixing clinching (11), and described sandbox (05) top is relative with fixing clinching (11) Side connects dismountable activity clinching (14), is put into one end of press strip (13) in fixing clinching (11), gap regulating block (12) being put in the gap of press strip (13) and the superiors' precoated sand sand mold (01), another of press strip (13) is pushed down in activity clinching (14) End, is fixed on activity clinching (14) on sandbox (05) with screw rod.
CN201610644577.5A 2016-08-09 2016-08-09 A kind of casting moulding system and production method Pending CN106077491A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106694814B (en) * 2017-01-19 2018-05-25 南京浦江合金材料股份有限公司 A kind of inoculant block cast pallet is applied to the casting process of inoculant block
CN109226696A (en) * 2018-11-13 2019-01-18 黄山中发耐磨材料有限公司 Arenaceous shell core pattern pouring box
CN111390115A (en) * 2020-04-02 2020-07-10 邯郸慧桥复合材料科技有限公司 Wear-resistant part shell mold casting method

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JPS5930461A (en) * 1982-08-11 1984-02-18 Masami Michihiro Stack casting method using mold
CN101879582A (en) * 2010-08-02 2010-11-10 宁波市艾宏球墨铸造有限公司 Precoated sand multi-stack casting process
CN203737949U (en) * 2014-03-10 2014-07-30 长沙金龙铸造实业有限公司 Inspection well cover casting device
CN203956026U (en) * 2014-06-23 2014-11-26 湖北亚钢金属制造有限公司 A kind of folded device that waters of dish class cast member that can be for convenience detach
CN104942235A (en) * 2014-03-24 2015-09-30 韩金福 Box stacking and pouring technical method for automobile brake disc
CN104985128A (en) * 2015-07-22 2015-10-21 湖北亚钢金属制造有限公司 Multi-overlaid-layer gating system and technology for casting
CN104985127A (en) * 2015-07-22 2015-10-21 湖北亚钢金属制造有限公司 Efficient multipart multilayer stacked pouring system and technology
CN105750504A (en) * 2016-05-19 2016-07-13 衢州顺丰汽车部件有限公司 Double brake disc casting mold forming multiple pieces in one box and casting method
CN205927005U (en) * 2016-08-09 2017-02-08 长沙金龙铸造实业有限公司 Foundry goods the gating system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5930461A (en) * 1982-08-11 1984-02-18 Masami Michihiro Stack casting method using mold
CN101879582A (en) * 2010-08-02 2010-11-10 宁波市艾宏球墨铸造有限公司 Precoated sand multi-stack casting process
CN203737949U (en) * 2014-03-10 2014-07-30 长沙金龙铸造实业有限公司 Inspection well cover casting device
CN104942235A (en) * 2014-03-24 2015-09-30 韩金福 Box stacking and pouring technical method for automobile brake disc
CN203956026U (en) * 2014-06-23 2014-11-26 湖北亚钢金属制造有限公司 A kind of folded device that waters of dish class cast member that can be for convenience detach
CN104985128A (en) * 2015-07-22 2015-10-21 湖北亚钢金属制造有限公司 Multi-overlaid-layer gating system and technology for casting
CN104985127A (en) * 2015-07-22 2015-10-21 湖北亚钢金属制造有限公司 Efficient multipart multilayer stacked pouring system and technology
CN105750504A (en) * 2016-05-19 2016-07-13 衢州顺丰汽车部件有限公司 Double brake disc casting mold forming multiple pieces in one box and casting method
CN205927005U (en) * 2016-08-09 2017-02-08 长沙金龙铸造实业有限公司 Foundry goods the gating system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106694814B (en) * 2017-01-19 2018-05-25 南京浦江合金材料股份有限公司 A kind of inoculant block cast pallet is applied to the casting process of inoculant block
CN109226696A (en) * 2018-11-13 2019-01-18 黄山中发耐磨材料有限公司 Arenaceous shell core pattern pouring box
CN109226696B (en) * 2018-11-13 2024-04-12 黄山中发耐磨材料科技股份有限公司 Sand shell core type pouring box
CN111390115A (en) * 2020-04-02 2020-07-10 邯郸慧桥复合材料科技有限公司 Wear-resistant part shell mold casting method
CN111390115B (en) * 2020-04-02 2021-05-14 邯郸慧桥复合材料科技有限公司 Wear-resistant part shell mold casting method

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Application publication date: 20161109