CN109396331A - A kind of novel casting apperance and its formative method - Google Patents

A kind of novel casting apperance and its formative method Download PDF

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Publication number
CN109396331A
CN109396331A CN201811424849.6A CN201811424849A CN109396331A CN 109396331 A CN109396331 A CN 109396331A CN 201811424849 A CN201811424849 A CN 201811424849A CN 109396331 A CN109396331 A CN 109396331A
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CN
China
Prior art keywords
apperance
casting
molding
novel casting
plastic film
Prior art date
Application number
CN201811424849.6A
Other languages
Chinese (zh)
Inventor
王爱丽
刘天平
李泽同
李泽嘉
Original Assignee
安阳市凯创科技有限公司
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 安阳市凯创科技有限公司 filed Critical 安阳市凯创科技有限公司
Priority to CN201811424849.6A priority Critical patent/CN109396331A/en
Publication of CN109396331A publication Critical patent/CN109396331A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C7/00Patterns; Manufacture thereof so far as not provided for in other classes
    • B22C7/02Lost patterns
    • B22C7/023Patterns made from expanded plastic materials

Abstract

The present invention relates to casting and molding technical fields, specifically disclose a kind of novel casting apperance, including the apperance supported by plastic foam through cutting deformation, the apperance includes upper apperance and lower apperance two parts, respectively correspond casting mould up and down, the external contact casting mould part of the upper apperance and lower apperance is provided with plastic film, and the invention also discloses a kind of novel casting apperance formative methods.The present invention reduces materials'uses, reduce costs, while reducing development cost, are conducive to shorten product development cycle, and material can also be reused, and are conducive to environmental protection, and synthesis reduces product cost, improves the market competitiveness.

Description

A kind of novel casting apperance and its formative method
Technical field
The present invention relates to casting and molding technical fields, more particularly, to a kind of novel casting apperance and its formative method.
Background technique
Casting is a kind of ancient manufacturing method, and detailed process includes: smelting metal, manufacture casting mold and pours molten metal Enter casting mold, the forming method with certain shapes, size and function metals part blank is obtained after solidification.Moulding be with molding sand and The process materials such as apperance and technological equipment prepare the method and process of sand mold
Some lathe metal frame members, structuring trail development, using traditional wooden model or metal die moulding.This product Feature is: single-piece or several, batch are small;Product structure is relatively easy, frame structure, overall size are big, weight weight;Certain products More muscle, more ribs etc..Disadvantage has: 1, long using traditional wooden model or metal die moulding, product development cycle;2, using traditional wooden model Or metal die moulding, die cost is high, causes product cost high, lacks the market competitiveness;3, the small, product yield of batch It is low, it is at high cost, new product development is influenced, the market competitiveness is lacked.
Summary of the invention
A kind of novel casting apperance is provided and its formative method is conducive to using plastic film in view of this, of the invention The integrality of apperance is kept, and reduces materials'use using hollow structure, reduces costs, while reducing development cost, has Conducive to product development cycle is shortened, die lifter is in addition also used, may be reused so that material is further ensured that, is conducive to ring It protects, synthesis reduces product cost, improves the market competitiveness.
The invention adopts the following technical scheme:
A kind of novel casting apperance and its formative method, it is described including the apperance supported by plastic foam through cutting deformation Apperance includes upper apperance and lower apperance two parts, respectively corresponds casting mould up and down, and the outside of the upper apperance and lower apperance connects Touching casting mould part is provided with plastic film.
Further, locating piece is provided between the upper apperance and lower apperance.
Further, the large volume position of the upper apperance or lower apperance is hollow structure.
Further, the position for being unfavorable for molding of the upper apperance or lower apperance, is provided with dedicated die lifter.
Further, the die lifter includes built-in fitting and pulls part, and the built-in fitting includes the cylinder of mesoporous, described The outer wall of one end of cylinder is provided with the protrusion that diameter is greater than cylinder, and the inner wall of the other end of the cylinder is provided with internal screw thread; The part that pulls includes handle and lead screw, and the handle is set to one end of the lead screw.
The beneficial effects of the present invention are:
The present invention cuts spicing forming type using cystosepiment, and equipment is simply easily operated or partial cut, through carving Milling Machining Afterwards, spicing forming type improves production efficiency;The thick big position in part, design use hollow structure, reduce materials'use, reduce material Expect cost;Apperance is light simultaneously, and operation easy to carry improves production efficiency;And design specialized die lifter, it has been conducive to mold process Middle holding apperance integrality;Upper and lower apperance puts plastic film, and molding of being more convenient for is reusable, reduces materials'use, reduces Material cost;Compared with evaporative pattern, no foam is got angry generation, improves operating environment, is conducive to environmental protection.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is schematic view of the front view of the invention;
Fig. 2 is die lifter structural schematic diagram of the invention.
In figure: apperance under 1-, the upper apperance of 2-, 3- plastic film, 4- locating piece, 5- die lifter, 51- pull part, and 52- is pre- Embedded part.
Specific embodiment
Below in conjunction with attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, institute The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair The range of bright protection.
As shown in Figure 1, a kind of novel casting apperance and its formative method, including what is supported by plastic foam through cutting deformation Apperance, the apperance include upper apperance 2 and lower 1 two parts of apperance, respectively correspond casting mould up and down, the upper apperance 2 is under The external contact casting mould part of apperance 1 is provided with plastic film 3.The plastic film 3 is the prior art, usually with poly- Film made of vinyl chloride, polyethylene, polypropylene, polystyrene and other resins, is mainly used for packing, and is also commonly used as covering Film layer.
In the present embodiment, further, for convenient for assembling and be aligned, upper 2 He of apperance upper apperance 2 and lower apperance 1 Locating piece 4 is provided between lower apperance 1.
In the present embodiment, further, the large volume position of the upper apperance 2 or lower apperance 1 is hollow structure, is done so Purpose be use in order to reduce material, advantageously reduce the cost of material.
As shown in Fig. 2, in the present embodiment, further, the position for being unfavorable for molding of the upper apperance 2 or lower apperance 1, It is provided with die lifter 5.The die lifter 5 includes built-in fitting 52 and pulls part 51, and the built-in fitting 52 includes the circle of mesoporous Cylinder, the outer wall of one end of the cylinder are provided with the protrusion that diameter is greater than cylinder, and the inner wall of the other end of the cylinder is provided with Internal screw thread;The part 51 that pulls includes handle and lead screw, and the handle is set to one end of the lead screw, the outer spiral shell of the lead screw Line and above-mentioned internal screw thread are mating.The built-in fitting 52 is set in apperance 2 or lower apperance 1, and raised one end is arranged towards mould Tool, has contact surface of the internal screw thread one end towards upper apperance 2 and lower apperance 1, above and horizontal with the contact surface, needs to take out When, part 51 will be pulled and screwed in built-in fitting 52, pull handle that can propose apperance from mold.
The present invention also provides a kind of novel casting apperance formative methods, using the casting technique of this moulding apperance, including Following steps:
1) shaping mould calibration is standby up and down: cystosepiment is cut into spicing forming type or partial cut, after carving Milling Machining, and splicing Molding;At the thick big position in the part of apperance, design uses hollow structure;Other are unfavorable for the position of molding, reserve molding dress 5 are set, is conducive to keep apperance integrality when molding.
2) prepare with molding sand case: being made of steel plate splicing, welding or cast iron, according to shape of product and mould structure size system At with molding sand case.
3) the lower apperance 1 of spicing forming type is spliced and is put on plate down, put cover plastic film 3 in lower apperance 1, put It sets with molding sand case, is located at apperance and plastic thin wall in sandbox, place self-hardening resin sand or clay-bonded sand to molding sand case, reality of pounding, It strikes off.
4) sandbox is overturn, corresponding embedded lower apperance 1 places upper apperance 2, and cover plastic film 3 is put in the positioning of placement positioning column, Cast gate riser apperance is placed, is placed with molding sand case, places self-hardening resin sand or clay-bonded sand to molding sand case, reality of pounding strikes off.
5) it unpacks, apperance 2 and lower apperance 1 in taking-up take out the plastic film 3 for putting cover, take out cast gate riser apperance.
6) cast gate, riser are trimmed.
7) joint sealing cream, mould assembly, weight are applied.
8) it is poured, solidifies, is cooling, unpacking, mould casting is made.
It is understood that being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this Technical solution described in inventive embodiments, those skilled in the art should understand that, still the present invention can be carried out Modification or equivalent replacement, to reach identical technical effect;As long as meet use needs, all protection scope of the present invention it It is interior.

Claims (6)

1. a kind of novel casting apperance, including the apperance supported by plastic foam through cutting deformation, it is characterised in that: the apperance Including upper apperance (2) and lower apperance (1) two parts, casting mould up and down, the upper apperance (2) and lower apperance (1) are respectively corresponded External contact casting mould part be provided with plastic film (3).
2. a kind of novel casting apperance according to claim 1, it is characterised in that: the upper apperance (2) and lower apperance (1) Between be provided with locating piece (4).
3. a kind of novel casting apperance according to claim 1, it is characterised in that: the upper apperance (2) or lower apperance (1) Large volume position be hollow structure.
4. a kind of novel casting apperance according to claim 1, it is characterised in that: the upper apperance (2) or lower apperance (1) The position for being unfavorable for molding, be provided with die lifter (5).
5. a kind of novel casting apperance according to claim 4, it is characterised in that: the die lifter (5) includes pre-buried It part (52) and pulls part (51), the built-in fitting (52) includes the cylinder of mesoporous, and the outer wall of one end of the cylinder is provided with directly Diameter is greater than the protrusion of cylinder, and the inner wall of the other end of the cylinder is provided with internal screw thread;It is described pull part (51) include handle and Lead screw, the handle are set to one end of the lead screw.
6. a kind of novel casting apperance formative method, which comprises the following steps:
1) apperance is made using cystosepiment, at the thick big position in the part of apperance, using hollow structure, in the portion for being unfavorable for molding Position is reserved die lifter (5);
2) lower apperance (1) splicing of spicing forming type is put on plate down, cover plastic film (3) is put on lower apperance (1), It places with molding sand case, is located at apperance and plastic thin wall in sandbox, place self-hardening resin sand or clay-bonded sand to molding sand case, pound It is real, it strikes off;
3) sandbox, apperance (2) in corresponding embedded lower apperance (1) placement are overturn, cover plastic film is put in the positioning of placement positioning column (3), cast gate riser apperance is placed, is placed with molding sand case, places self-hardening resin sand or clay-bonded sand to molding sand case, reality of pounding is scraped It is flat;
4) it unpacks, apperance 2 and lower apperance (1) in taking-up take out the plastic film (3) for putting cover, take out cast gate riser apperance;
5) cast gate, riser are trimmed.
CN201811424849.6A 2018-11-27 2018-11-27 A kind of novel casting apperance and its formative method CN109396331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811424849.6A CN109396331A (en) 2018-11-27 2018-11-27 A kind of novel casting apperance and its formative method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811424849.6A CN109396331A (en) 2018-11-27 2018-11-27 A kind of novel casting apperance and its formative method

Publications (1)

Publication Number Publication Date
CN109396331A true CN109396331A (en) 2019-03-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090920A (en) * 2019-04-29 2019-08-06 共享铸钢有限公司 The steam turbine outer shell casting molding method of evaporative pattern
CN110756729A (en) * 2019-10-17 2020-02-07 吉林省诚鼎精密铸造有限公司 Machining and manufacturing method for lifting hole of automobile mould foam model

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090920A (en) * 2019-04-29 2019-08-06 共享铸钢有限公司 The steam turbine outer shell casting molding method of evaporative pattern
CN110756729A (en) * 2019-10-17 2020-02-07 吉林省诚鼎精密铸造有限公司 Machining and manufacturing method for lifting hole of automobile mould foam model
CN110756729B (en) * 2019-10-17 2020-12-29 吉林省诚鼎精密铸造有限公司 Machining and manufacturing method for lifting hole of automobile mould foam model

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