CN112024850B - Method for producing a multilayer die-cast part - Google Patents
Method for producing a multilayer die-cast part Download PDFInfo
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- CN112024850B CN112024850B CN202010880040.5A CN202010880040A CN112024850B CN 112024850 B CN112024850 B CN 112024850B CN 202010880040 A CN202010880040 A CN 202010880040A CN 112024850 B CN112024850 B CN 112024850B
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- casting
- die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
Abstract
The invention relates to the technical field of die casting modules, and discloses a manufacturing method of a multilayer die casting module, which comprises the following steps: the method comprises the following steps: preparing various molten metals required to be used for hot melting die casting, removing impurities from the various molten metals, fixing by using a casting mold, casting and molding the heated various molten metals, and cooling all castings to room temperature after molding; step two: the surface of the casting is roughly polished, dust and debris generated by polishing are sucked by an industrial dust collector after polishing, and then the die-casting surfaces of the two castings are heated. The invention carries out rough polishing operation on both sides of the casting to be die-cast during die-casting, then melts the materials of the two castings until the metal liquid is mixed and covers between the two castings, and simultaneously sprays borax to quickly enable the two castings to be attached and die-cast.
Description
Technical Field
The invention relates to the technical field of die casting modules, in particular to a manufacturing method of a multilayer die casting module.
Background
At present, a die casting is a part which is manufactured by using a pressure casting machine equipped with a casting die, and casting a copper, zinc, aluminum or aluminum alloy part of a shape and a size limited by the die into a feeding port of the die casting machine by pouring a metal such as copper, zinc, aluminum or aluminum alloy heated to a liquid state into the feeding port of the die casting machine, and such a part is generally called a die casting. Die castings are called differently in different places, such as die casting parts, pressure castings, die casting aluminum, die casting zinc, die casting copper, copper die, zinc die, aluminum die casting, aluminum die casting gold, aluminum alloy die casting parts, and the like.
The multi-layer die casting refers to die casting of two or more layers of materials, the die casting after die casting has comprehensive good performance of multiple materials, fusion infirm phenomenon easily occurs between adjacent materials during die casting in the die casting manufacturing process, the structure of the die casting is easily damaged in the later use process, or the strength of the die casting is not enough. We therefore propose a method of manufacturing a multilayer die cast module.
Disclosure of Invention
The invention aims to provide a method for manufacturing a multilayer die-casting module, which can improve the strength of a multilayer casting and solve the problems in the background technology by performing rough grinding operation on two surfaces of the casting to be die-cast during die-casting, melting materials of the two castings until molten metal is mixed and then covering the molten metal between the two castings, and spraying borax on the molten metal to quickly attach the two castings for die-casting.
In order to achieve the purpose, the invention provides the following technical scheme: a method of manufacturing a multi-layer die-cast module comprising the steps of:
the method comprises the following steps: preparing various molten metals required to be used for hot melting die casting, removing impurities from the various molten metals, fixing by using a casting mold, casting and molding the heated various molten metals, and cooling all castings to room temperature after molding;
step two: roughly polishing the surfaces of the castings, sucking dust and debris generated by polishing by using an industrial dust collector after polishing, heating the die-casting surfaces of the two castings to heat the die-casting surfaces of the castings to a red hot state, putting the materials of the two castings into a melting furnace in equal proportion to heat and melt the materials of the two castings while heating the castings, uniformly mixing the materials to prepare mixed molten metal, and preserving heat for later use;
step three: placing the casting A in a die for assisting die-casting, casting the molten mixed molten metal prepared in the second step on the surface of the casting A, uniformly spreading the molten metal on the surface of the casting A, uniformly spraying borax on the mixed molten metal on the surface of the casting A, tightly attaching the surface to be die-cast of the casting B to the die-casting surface of the casting A within 5s, and tightly compacting the casting A and the casting B by matching with a die-casting machine until the casting is cooled;
step four: repeating the operations of the second step to the third step until all casting materials are die-cast together to form a multi-layer die-cast module;
step five: after the multilayer die casting is completely cooled, high-temperature quenching treatment is carried out on the multilayer die casting, the two sides of the multilayer die casting are precisely polished again after quenching is finished, and dust generated by polishing is absorbed by an industrial dust collector during polishing.
In a preferred embodiment of the present invention, the cooling time in the first step is at least 3 hours, and the casting is cooled in a ventilated environment.
In the second step, as a preferred embodiment of the present invention, an automatic sander is used to perform a sanding operation on the casting, and the sanding time is 5 min.
In a preferred embodiment of the present invention, the die-casting surface of the casting in the second step is heated by electrical heating, and the heating is continued for 3 seconds after the casting is heated to a red hot state.
In a preferred embodiment of the present invention, the heating temperature of the furnace in the second step is higher than the higher melting point of the two casting materials, specifically, the temperature is +200 degrees celsius of the high melting point casting.
In a preferred embodiment of the present invention, in the fifth step, the multilayer casting is quenched by heating with a high-frequency heating machine.
Compared with the prior art, the invention has the following beneficial effects:
the invention carries out rough polishing operation on both sides of the casting to be die-cast during die-casting, then melts the materials of the two castings until the metal liquid is mixed and covers between the two castings, and simultaneously sprays borax to quickly enable the two castings to be attached and die-cast.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a flow chart of a method of manufacturing a multi-layer die cast module according to the present invention;
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1, the present invention provides a technical solution: a method of manufacturing a multi-layer die-cast module comprising the steps of:
the method comprises the following steps: preparing various molten metals required to be used for hot melting die casting, removing impurities from the various molten metals, fixing by using a casting mold, casting and molding the heated various molten metals, and cooling all castings to room temperature after molding;
step two: roughly polishing the surfaces of the castings, sucking dust and debris generated by polishing by using an industrial dust collector after polishing, heating the die-casting surfaces of the two castings to heat the die-casting surfaces of the castings to a red hot state, putting the materials of the two castings into a melting furnace in equal proportion to heat and melt the materials of the two castings while heating the castings, uniformly mixing the materials to prepare mixed molten metal, and preserving heat for later use;
step three: placing the casting A in a die for assisting die-casting, casting the molten mixed molten metal prepared in the second step on the surface of the casting A, uniformly spreading the molten metal on the surface of the casting A, uniformly spraying borax on the mixed molten metal on the surface of the casting A, tightly attaching the surface to be die-cast of the casting B to the die-casting surface of the casting A within 5s, and tightly compacting the casting A and the casting B by matching with a die-casting machine until the casting is cooled;
step four: repeating the operations of the second step to the third step until all casting materials are die-cast together to form a multi-layer die-cast module;
step five: after the multilayer die casting is completely cooled, high-temperature quenching treatment is carried out on the multilayer die casting, the two sides of the multilayer die casting are precisely polished again after quenching is finished, and dust generated by polishing is absorbed by an industrial dust collector during polishing.
Further, the cooling time in the first step is at least 3h, and the casting is cooled in a ventilated environment.
Further, in the second step, an automatic grinding machine is adopted to grind the casting, and the grinding time is 5 min.
Further, the die-casting surface of the casting in the second step is heated in an electrifying heating mode, and the heating time is that the casting is heated to a red hot state and then is continuously heated for 3 seconds.
Further, the heating temperature of the melting furnace in the second step is higher than the higher melting point of the two casting materials, and the specific temperature is the temperature of the casting with the high melting point plus 200 ℃.
Further, in the fifth step, a high-frequency heating machine is adopted to heat and quench the multilayer casting.
When the manufacturing method of the multilayer die-casting module is used, all metal liquids required to be used in hot melting die-casting are prepared, then all the metal liquids are subjected to impurity removal, meanwhile, a casting mold is used for fixing, all the heated metal liquids are subjected to casting forming, and all castings are cooled to room temperature after the forming; roughly polishing the surfaces of the castings, sucking dust and debris generated by polishing by using an industrial dust collector after polishing, heating the die-casting surfaces of the two castings to heat the die-casting surfaces of the castings to a red hot state, putting the materials of the two castings into a melting furnace in equal proportion to heat and melt the materials of the two castings while heating the castings, uniformly mixing the materials to prepare mixed molten metal, and preserving heat for later use; placing the casting A in a die for assisting die-casting, casting the molten mixed molten metal prepared in the second step on the surface of the casting A, uniformly spreading the molten metal on the surface of the casting A, uniformly spraying borax on the mixed molten metal on the surface of the casting A, tightly attaching the surface to be die-cast of the casting B to the die-casting surface of the casting A within 5s, and tightly compacting the casting A and the casting B by matching with a die-casting machine until the casting is cooled; repeating the operations of the second step to the third step until all casting materials are die-cast together to form a multi-layer die-cast module; after the multilayer die casting is completely cooled, high-temperature quenching treatment is carried out on the multilayer die casting, the two sides of the multilayer die casting are precisely polished again after quenching is finished, dust generated by polishing is absorbed by an industrial dust collector during polishing, rough polishing operation is carried out on the two sides of the casting to be die-cast during die-casting, materials of the two castings are melted until molten metal is mixed and then covered between the two castings, the two castings are rapidly attached to each other and are die-cast after borax is sprayed, the molten metal mixed with the two materials can be closely fused with the materials of the two castings, and the strength of the multilayer casting can be improved by matching with the welding assisting effect of the borax.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A method of manufacturing a multi-layer die-cast module comprising the steps of:
the method comprises the following steps: preparing various molten metals required to be used for hot melting die casting, removing impurities from the various molten metals, fixing by using a casting mold, casting and molding the heated various molten metals, and cooling all castings to room temperature after molding;
step two: roughly polishing the surfaces of the castings, sucking dust and debris generated by polishing by using an industrial dust collector after polishing, heating the die-casting surfaces of the two castings to heat the die-casting surfaces of the castings to a red hot state, putting the materials of the two castings into a melting furnace in equal proportion to heat and melt the materials of the two castings while heating the castings, uniformly mixing the materials to prepare mixed molten metal, and preserving heat for later use;
step three: placing the casting A in a die for assisting die-casting, casting the molten mixed molten metal prepared in the second step on the surface of the casting A, uniformly spreading the molten metal on the surface of the casting A, uniformly spraying borax on the mixed molten metal on the surface of the casting A, tightly attaching the surface to be die-cast of the casting B to the die-casting surface of the casting A within 5s, and tightly compacting the casting A and the casting B by matching with a die-casting machine until the casting is cooled;
step four: repeating the operations of the second step to the third step until all casting materials are die-cast together to form a multi-layer die-cast module;
step five: after the multilayer die casting is completely cooled, high-temperature quenching treatment is carried out on the multilayer die casting, the two sides of the multilayer die casting are precisely polished again after quenching is finished, and dust generated by polishing is absorbed by an industrial dust collector during polishing.
2. A method of manufacturing a multilayer die cast module as claimed in claim 1, wherein: the cooling time in the first step is at least 3h, and the casting is cooled in a ventilated environment.
3. A method of manufacturing a multilayer die cast module as claimed in claim 1, wherein: and in the second step, an automatic grinding machine is adopted to carry out grinding operation on the casting, and the grinding time is 5 min.
4. A method of manufacturing a multilayer die cast module as claimed in claim 1, wherein: and heating the die-casting surface of the casting in the second step in an electrifying heating mode, wherein the heating time is 3s after the casting is heated to a red hot state.
5. A method of manufacturing a multilayer die cast module as claimed in claim 1, wherein: and the heating temperature of the smelting furnace in the second step is higher than the higher melting point of the two casting materials, and the specific temperature is the temperature of the casting with the high melting point plus 200 ℃.
6. A method of manufacturing a multilayer die cast module as claimed in claim 1, wherein: and fifthly, heating and quenching the multilayer casting by using a high-frequency heating machine.
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| CN202010880040.5A CN112024850B (en) | 2020-08-27 | 2020-08-27 | Method for producing a multilayer die-cast part |
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| CN112024850B true CN112024850B (en) | 2021-12-10 |
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Citations (8)
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|---|---|---|---|---|
| PT78852A (en) * | 1983-07-05 | 1984-08-01 | Commw Scient Ind Res Org | Improved ferrous articles |
| CN1042503A (en) * | 1988-11-10 | 1990-05-30 | 兰克西敦技术公司 | With the method for metal matrix composite surface binding material and the product of producing thus thereof |
| CN101497123A (en) * | 2009-03-23 | 2009-08-05 | 青岛地恩地材料科技有限公司 | Magnalium composite board and method for producing the same |
| CN102658360A (en) * | 2012-03-06 | 2012-09-12 | 成都金和工贸有限公司 | Method for manufacturing metal composite slab strips |
| CN103551548A (en) * | 2013-10-16 | 2014-02-05 | 河南科技大学 | Preparation method of copper-zinc composite plates and mold for achieving same |
| CN105499545A (en) * | 2015-12-23 | 2016-04-20 | 上海交通大学 | Method for preparing double-metal composite material by solid-liquid combination of solid-state steel material and rolling composition |
| CN108655370A (en) * | 2018-05-17 | 2018-10-16 | 辽宁科技大学 | A kind of composite plate blanks casting method and device |
| EP3541968A1 (en) * | 2016-11-16 | 2019-09-25 | HRL Laboratories, LLC | Master alloy metal matrix nanocomposites, and methods for producing the same |
-
2020
- 2020-08-27 CN CN202010880040.5A patent/CN112024850B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT78852A (en) * | 1983-07-05 | 1984-08-01 | Commw Scient Ind Res Org | Improved ferrous articles |
| CN1042503A (en) * | 1988-11-10 | 1990-05-30 | 兰克西敦技术公司 | With the method for metal matrix composite surface binding material and the product of producing thus thereof |
| CN101497123A (en) * | 2009-03-23 | 2009-08-05 | 青岛地恩地材料科技有限公司 | Magnalium composite board and method for producing the same |
| CN102658360A (en) * | 2012-03-06 | 2012-09-12 | 成都金和工贸有限公司 | Method for manufacturing metal composite slab strips |
| CN103551548A (en) * | 2013-10-16 | 2014-02-05 | 河南科技大学 | Preparation method of copper-zinc composite plates and mold for achieving same |
| CN105499545A (en) * | 2015-12-23 | 2016-04-20 | 上海交通大学 | Method for preparing double-metal composite material by solid-liquid combination of solid-state steel material and rolling composition |
| EP3541968A1 (en) * | 2016-11-16 | 2019-09-25 | HRL Laboratories, LLC | Master alloy metal matrix nanocomposites, and methods for producing the same |
| CN108655370A (en) * | 2018-05-17 | 2018-10-16 | 辽宁科技大学 | A kind of composite plate blanks casting method and device |
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