CN102886495A - General combined iron mold for iron mold sand-coating and casting production - Google Patents
General combined iron mold for iron mold sand-coating and casting production Download PDFInfo
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- CN102886495A CN102886495A CN2012104208033A CN201210420803A CN102886495A CN 102886495 A CN102886495 A CN 102886495A CN 2012104208033 A CN2012104208033 A CN 2012104208033A CN 201210420803 A CN201210420803 A CN 201210420803A CN 102886495 A CN102886495 A CN 102886495A
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Abstract
The invention discloses a general combined iron mold for iron mold sand-coating and casting production. The combined iron mold consists of a main iron mold and two additional iron molds, wherein cavities for accommodating the additional iron molds are formed in the main iron mold; pouring system sand-coating avoiding positions communicated to the cavities are formed in the main iron mold and are butted and communicated with iron mold cavities of the additional iron molds; guide slots matched with guide bosses on the inner walls of the cavities of the main iron mold are formed in the cylindrical surfaces of the additional iron molds; a sand injection lining mounting position I and a sand injection lining mounting position II penetrate through the additional iron molds and the main iron mold; a sand injection connection boss I and a sand injection connection boss II which are connected with sand injection connection grooves in the backs of the additional iron molds in a matched manner are arranged on the main iron mold; and the main iron mold and the additional iron molds are fixed through fastening pieces. The technical problems that the iron mold manufacturing period is long, and the manufacturing cost is extremely high in the conventional iron mold sand-coating production technology, and the conventional iron mold sand-coating production technology is not suitable for small- and medium- batch casting production.
Description
Technical field
The present invention relates to the matching tooling mould that uses when swage that a kind of mechanical castings production process adopts is carried out the sand production technology.
Background technology
Sand-Faced Metal Mould Casting is to be covered with the skim molding sand and to form a kind of casting technique of casting mold at metal mold (being called swage) inner chamber, and the technology of the present invention is mainly used in swage and carries out manufacturing and designing and use procedure swage in the sand production process.In the New Product Development Process that uses the Iron Mould Coated Sand production technology, the essence of its manufacturing process be utilize can Reusability swage replace sand mold.The exploitation of each new product not only needs equally with conventional castings production will develop casting mould, and, also to make special-purpose swage.No matter be the production model that group line or unit moulding ground paving water, all the essential problem of considering productive temp generally speaking, is organized line production and must be joined foot 1 mold and the above swage of 30 covers, guarantees continuous production.The production model that ground paving waters is joined in the unit moulding must consider that then the good casting mold of moulding will reach each stove molten iron total amount.So, no matter be which kind of mode of production, the mould that the Iron Mould Coated Sand production technology must be joined and swage expense want high 2 to 5 times than the routine casting mode of production.Therefore general swage only is suitable for producing in enormous quantities (month supply of goods is at the product more than 3000), and this has just greatly limited the scope of application of this vanguard technology.
Domestic some swages or this matching tooling mould similar techniques of disclosing, as:
1, the production method of [title] sand-lined metal mold casting cylinder body, [application (patent) number] patent documentation of CN201110304692.5 discloses a kind of production method of sand-lined metal mold casting cylinder body, the inner chamber of swage is made with type by the shape of cylinder block, covering sand layer thickness with type is 10mm-30mm, adopts closed cast gate; Air orifice needle all is equipped with at highest point perforation, the core print position of upper mold section, at the die joint of swage air discharge duct is arranged; All be respectively equipped with heater in the middle of the upper and lower mould base plate of external mold, temperature is penetrated sand after reaching requirement; Carry out cored behind the core, mould assembling, cast, unpack.
2, [title] a kind of diesel engine grey cast-iron bell housing Sand-Faced Metal Mould Casting technique, [application (patent) number] CN201210255964.1 discloses a kind of diesel engine grey cast-iron bell housing Sand-Faced Metal Mould Casting technique, in the employing, lower Iron Mould Coated Sand technique is cast, comprise swage and Mold Making, the steps such as upper casting mold and lower casting mold moulding, make according to the bell housing casting dimension, bed die, by upper, the bed die size leaves to be covered on the respective production of sand chamber, lower swage, at upper swage casting system is set, then with upper swage and mold, lower swage and bed die are covering the respectively mould assembly preheating of sand machine; After the preheating, separately swage and mould spray releasing agent, again mould assembly at upper and lower mould outer wall ... precoated sand is curing molding on upper and lower swage.
3, [title] a kind of vertical type bottom pour mold casting system, the patent documentation of [patent No.] CN201010277607.6 discloses a kind of vertical type bottom pour mold and has cast system, comprise base, periphery around base is installed with side plate, base surrounds casing with side plate, be provided with several horizontal pouring channels in the base, vertically the bottom of pouring channel is provided with screen pack, and several horizontal pouring channels are connected respectively; Base is provided with sprue in several, and distinguishes UNICOM with several horizontal pouring channels.
4; method and the device of [title] a kind of oversized fracture surface steel billets of casting; the patent documentation of [patent No.] CN201010299073.7 discloses a kind of method and device of the oversized fracture surface steel billets of casting; its device comprises steel ladle; pans; crystallizer; it is characterized in that: the lower end of steel ladle is fixed with ladle beam protective sleeve; the port of export of steel pipe beam protective casing is equipped with pans; the bottom of pans is fixed with crystallizer submersed nozzle; crystallizer submersed nozzle extends in the crystallizer; the lower end of crystallizer is equipped with the strand apparatus for deivation; the strand draw-gear places the strand apparatus for deivation inner, and the crystallizer top also is equipped with mother metal and sends guidance system to.
Above-mentioned traditional following defective of monoblock type swage: 1, the manufacturing cycle is long; 2, manufacturing expense is high; 3, be not suitable for medium and small castings production.Therefore be badly in need of additional a kind of manufacturing cycle in swage shoe sand production technology short, manufacturing expense is low, be common to various model foundry goods and energy swage quick, that accurately produce, to satisfy the needs of modern foundry industry, popularize the Iron Mould Coated Sand technology in the application in small batch foundry goods manufacturing field.
Summary of the invention
The invention provides a kind of combination swage that Sand-Faced Metal Mould Casting is produced that is common to, solved in the Iron Mould Coated Sand production technology, the swage manufacturing cycle is long, and manufacturing expense is too high, is not suitable for the technique difficult problem of small batch castings production.
Technical scheme of the present invention is: the swage main body is combined, described combination swage is made of 1 main swage and 2 additional swages, have the cavity that just can place additional swage on the main swage, having the running gate system that is communicated to cavity on the main swage covers sand and steps down, described running gate system is covered sand and is stepped down and be docked and connected with the swage die cavity that adds swage, and additional swage periphery is provided with the gathering sill that is complementary with main swage cavity inner wall guide ledges; Penetrate tamper cover installation position one and penetrate tamper cover installation position two and run through additional swage and main swage, be provided with the sand of penetrating that sand connecting groove coupling is connected of penetrating at additional swage back at main swage and connect boss one and to be connected sand connection boss two, main swage and additional swage are fixed by securing member.
Described securing member is crossed the nail hole by the attachment screw that is respectively equipped with connection at main swage and additional swage, steps down in the attachment screw hole, and the square toes attachment screw passes attachment screw and crosses the nail hole and be connected with the attaching nut and tighten fixing main swage and additional swage.Described additional swage is cylindric, is arranged in the main swage and is complementary with the cavity of main swage.Four pore size distributions are stepped down on the swage die cavity of additional swage in attachment screw hole on the additional swage, and hole, four holes heart line is rectangle.Gathering sill and the main swage cavity inner wall guide ledges of additional swage are square profile.The cooperation of additional swage is penetrated tamper cover installation position two and is square profile, and penetrates installation position one distribution triangular in shape of tamper cover.
The screw of combination swage, additional swage, main swage and attaching nut are dismountable modules.The present invention separates the part swage that consists of the cavity shape feature from traditional swage, be designed to a novel swage that is formed by additional swage, main swage and screw-nut, save inventory charge, shortened the cycle that Corporation R ﹠ D is produced, had very large market potential.
Description of drawings
Fig. 1 is the front explosive view that the present invention makes up swage;
Fig. 2 is the back side explosive view that the present invention makes up swage;
Fig. 3 is additional swage isometric front view;
Fig. 4 is additional swage rear isometric view;
Fig. 5 is main swage isometric front view;
Fig. 6 is main swage rear isometric view;
Fig. 7 is traditional integral swage structural representation.
Title and label in the accompanying drawing are respectively: 1-square toes attachment screw, and 2-adds swage, 3-master's swage, 4-nut, 5-penetrates tamper cover installation position one, the 6-gathering sill, and step down in 7-attachment screw hole, 8-swage die cavity, 9-penetrates tamper cover installation position two, and 10-runs the limit, and 11-penetrates sand and connects boss one, 12-gulde edge, 13-installs resigning hole, and the 14-attachment screw is crossed the nail hole, and 15-penetrates sand and connects boss two, 16-hanger, 17-running gate system cover sand steps down the 18-guide ledges, the 19-sand-spraying hole, 20-die cavity, 21-alignment pin.
The specific embodiment
The invention will be further described with reference to the accompanying drawings and in conjunction with the specific embodiment for the below.
As shown in Figure 7, traditional whole swage comprises hanger 16, runs limit 10, sand-spraying hole 19, die cavity 20 and alignment pin 21, and the swage one-shot forming can not split, and therefore for each class new product development, all will develop whole supporting swages.
Shown in Fig. 1,2,3,4,5,6, the present invention is common to the combination swage of Sand-Faced Metal Mould Casting production and carries out in the development process of sand product at the casting swage, by modular design principle, knot oral area part of swage and equipment is designed to a general module, namely main swage is partly.This some is common to all will be at the product of this production line production.Need to partly be designed to a special module for the different product feature, i.e. additional swage part.Between additional swage 2 and main swage 3, design a standard interface.Make between additional swage and the main swage and can realize coincideing.
The technology of the present invention adopts modularity design technology, used swage in the Sand-Faced Metal Mould Casting production process is carried out following design, square toes attachment screw 1, it is heads of positive tetrahedron away from nut 4 ends, its effect is to close with the cubic tone of adding on the swage 2, preventing that it from taking turns turns, and its length just equals the thickness after additional swage is assembled with main swage.Additional swage 2 innovative points are the original die cavity of swage is partly separated, utilize gathering sill to cooperate guide ledges, penetrate sand and connect the additional swage recess of boss cooperation, in addition more in addition fastening these several each and every one technology of screw-nut additional swage is embedded in the cavity of main swage 3, so just realized all functions of conventional swage.Main swage 3 is main parts of combination swage, has two just to hold additional iron on it, 2 and and the cavity that fits like a glove of additional swage, attaching nut 4 tightens up the square toes attachment screw, fastening combination swage.
Main swage by hanger 16, penetrate that sand connects boss 1, penetrates that sand connects that boss 2 15, attachment screw are crossed nail hole 14, resigning hole 13 is installed, gulde edge 12, guide ledges 18, run limit 10, running gate system and cover sand and step down and 17 etc. form.Wherein hanger, swage main body, run limit, running gate system and cover sand four principal characters of stepping down, as broad as long with conventional swage, this design is for swage and equipment interface can be linked accurately, is the general part of swage.The sand of penetrating of main swage connects boss 1, penetrates sand and connect boss 2 15 and cooperates respectively the correspondence of additional swage to penetrate the sand connecting groove, and gulde edge 12 cooperates the cylindrical side of additional swage, and guide ledges 18 coupling gathering sills 6 are realized adding the location of swage.
The invention provides a kind of combination swage that Sand-Faced Metal Mould Casting is produced that is common to, in covering the sand process, covering sand molding connects boss 1, penetrates sand and connect boss 2 15 and inject preferably molding sand of flowability to swage die cavity 8 from the sand of penetrating at the main swage back side, through solidifying, namely form the casting mold (namely covering the placer iron type) of Iron Mould Coated Sand after the molding again.Whole modeling process is covering the sand molding machine or finished by the sand molding machine that covers of core shooter repacking in special use.Swage die cavity and bottom template synthesize cavity, inject the molten iron cooling and form foundry goods.
To produce diesel engine flywheel 40-1 sections type as example, heavily approximately 900 kilograms, cost needs about 10000 yuan again.After having used the technology of the present invention, main swage has become general part, and when developing each class new product, as long as make additional swage, additional swage is 120 kg heavily approximately, and cost is approximately about 2000 yuan.Before having accelerated new product development speed use the technology of the present invention, the product of every exploitation one class new model because the swage manufacturing cycle is long, needs about 20 days.After using the technology of the present invention, owing to only need make additional swage, need about 12 days.The time that this had not only saved the research and development spending but also had saved the plant produced preciousness.Concrete comparative analysis table is as follows:
From upper table comparative analysis as seen, that the relatively traditional swage of the present invention has is simple to operate, cost, adaptable advantage, research and develop simultaneously time shorten, shortened the R﹠D cycle of enterprise, the swage production cost that greatly reduces has improved the competitiveness of enterprise, has promoted the development of productivity, and because production process is uninterrupted, production capacity is than using traditional swage greatly to improve.
Claims (7)
1. one kind is common to the combination swage that Sand-Faced Metal Mould Casting is produced, it is characterized in that: described combination swage is made of 1 main swage (3) and 2 additional swages (2), main swage has the cavity that just can place additional swage (2) on (3), have the running gate system that is communicated to cavity on the main swage (3) and cover sand step down (17), described running gate system is covered the step down swage die cavity (8) of (17) and additional swage of sand and is docked and connected, and additional swage (2) periphery is provided with the gathering sill (6) that is complementary with main swage (3) cavity inner wall guide ledges (18); Penetrate tamper cover installation position one (5) and penetrate tamper cover installation position two (9) and run through additional swage (2) and main swage (3), be provided with the sand of penetrating that sand connecting groove coupling is connected of penetrating at additional swage (2) back at main swage (3) and connect boss one (11) and to be connected sand connection boss two (15), main swage and additional swage are fixed by securing member.
2. combination swage according to claim 1, it is characterized in that: described securing member is crossed nail hole (14) by the attachment screw that is respectively equipped with connection at main swage (3) and additional swage (2), step down (7) in the attachment screw hole, square toes attachment screw (1) passes attachment screw and crosses the nail hole and be connected with attaching nut (4) and tighten fixing main swage (3) and additional swage (2).
3. combination swage according to claim 1 is characterized in that: described additional swage (2) is for cylindric, is arranged in the main swage (3) and is complementary with the cavity of main swage (3).
4. combination swage according to claim 1 is characterized in that: (7) four pore size distributions are stepped down on the swage die cavity (8) of additional swage in the attachment screw hole on the additional swage (2), and hole, four holes heart line is rectangle.
5. combination swage according to claim 1 is characterized in that: the gathering sill (6) of additional swage (2) is square profile with main swage (3) cavity inner wall guide ledges (18).
6. combination swage according to claim 1 is characterized in that: the cooperation of additional swage (2) is penetrated tamper cover installation position (9) and is square profile, and penetrates installation position (5) distribution triangular in shape of tamper cover.
7. arbitrary described combination swage according to claim 1-6 is characterized in that: the screw (1) of combination swage, and additional swage (2), main swage (3) and attaching nut (4) they are dismountable modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104208033A CN102886495A (en) | 2012-10-29 | 2012-10-29 | General combined iron mold for iron mold sand-coating and casting production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104208033A CN102886495A (en) | 2012-10-29 | 2012-10-29 | General combined iron mold for iron mold sand-coating and casting production |
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| CN102886495A true CN102886495A (en) | 2013-01-23 |
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| CN2012104208033A Pending CN102886495A (en) | 2012-10-29 | 2012-10-29 | General combined iron mold for iron mold sand-coating and casting production |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665651A (en) * | 2016-04-11 | 2016-06-15 | 杨朝平 | Flywheel casting mold |
| CN106734919A (en) * | 2016-12-14 | 2017-05-31 | 南京科宏铸造有限公司 | A kind of balance weight mould and its precoated sand casting technique |
| CN109128029A (en) * | 2018-10-29 | 2019-01-04 | 扬州广润机械有限公司 | A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould |
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| CN2500414Y (en) * | 2001-08-27 | 2002-07-17 | 江苏省机电研究所 | Combined mould with metal and metal covering sand moulds |
| JP2008000807A (en) * | 2006-06-26 | 2008-01-10 | Fujitsu Ltd | Mold for use in mold casting method and method for manufacturing vibration damping member using the mold |
| CN101249547A (en) * | 2008-03-24 | 2008-08-27 | 山东时风（集团）有限责任公司 | Tooth form part foundry technique method |
| CN101380665A (en) * | 2007-09-03 | 2009-03-11 | 中国国际海运集装箱(集团)股份有限公司 | Wheel hub casting method and die thereof |
| CN202861326U (en) * | 2012-10-29 | 2013-04-10 | 胡兵 | Combined iron mould universally used to sand-coating casting production of iron mould |
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2012
- 2012-10-29 CN CN2012104208033A patent/CN102886495A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2500414Y (en) * | 2001-08-27 | 2002-07-17 | 江苏省机电研究所 | Combined mould with metal and metal covering sand moulds |
| JP2008000807A (en) * | 2006-06-26 | 2008-01-10 | Fujitsu Ltd | Mold for use in mold casting method and method for manufacturing vibration damping member using the mold |
| CN101380665A (en) * | 2007-09-03 | 2009-03-11 | 中国国际海运集装箱(集团)股份有限公司 | Wheel hub casting method and die thereof |
| CN101249547A (en) * | 2008-03-24 | 2008-08-27 | 山东时风（集团）有限责任公司 | Tooth form part foundry technique method |
| CN202861326U (en) * | 2012-10-29 | 2013-04-10 | 胡兵 | Combined iron mould universally used to sand-coating casting production of iron mould |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665651A (en) * | 2016-04-11 | 2016-06-15 | 杨朝平 | Flywheel casting mold |
| CN106734919A (en) * | 2016-12-14 | 2017-05-31 | 南京科宏铸造有限公司 | A kind of balance weight mould and its precoated sand casting technique |
| CN109128029A (en) * | 2018-10-29 | 2019-01-04 | 扬州广润机械有限公司 | A kind of flywheel shell of engine tide mould sand build-in function film covered sand core casting mould |
| CN109128029B (en) * | 2018-10-29 | 2023-09-12 | 扬州广润机械有限公司 | Built-in functional tectorial membrane psammitolite casting mould of engine flywheel shell tide mould sand |
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