CN110883314A - Double-layer motor process - Google Patents
Double-layer motor process Download PDFInfo
- Publication number
- CN110883314A CN110883314A CN201910951113.2A CN201910951113A CN110883314A CN 110883314 A CN110883314 A CN 110883314A CN 201910951113 A CN201910951113 A CN 201910951113A CN 110883314 A CN110883314 A CN 110883314A
- Authority
- CN
- China
- Prior art keywords
- pouring
- molten iron
- double
- filter
- shell
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/086—Filters
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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
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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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
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a double-layer motor process, which comprises the steps of manufacturing a pouring mold for pouring a motor shell, respectively arranging molten iron channels for pouring molten iron at the top and the bottom of the mold, and then placing a filter in an inlet of the molten iron channel; preparing molten iron, namely mixing cast iron, scrap iron and graphite according to the ratio of 8: 1: the raw materials with the proportion of 1 are put into a mixer for mixing, and then the mixed raw materials are put into a melting furnace. The invention adopts a double-layer pouring mode, can pack the pouring consistency of the motor shell, further reduce the condition that the rejection rate is increased due to the deformation of the motor shell, improve the casting yield of the shell, can filter a large amount of impurities in molten iron by adopting a filter, can reduce the influence of the impurities on the casting quality of the shell, further enable the cast shell to be more complete and smooth, and can greatly shorten the casting time by adopting double-layer process casting, further improve the casting efficiency of the shell, thereby improving the economic benefit of a user.
Description
Technical Field
The invention relates to a motor shell pouring process, in particular to a double-layer motor process.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the motor is represented by a letter M in a circuit, the motor mainly has the function of generating driving torque and is used as a power source of electrical appliances or various machines, a shell of the motor is a middle part forming the motor and can play a role in protecting components such as a rotor and a coil of the motor, the shell of the motor is usually cast in a production mode, most of the existing shells of the motors are only provided with one molten iron channel during casting, so that the cast motor shell has a cold insulation and the deformation rejection rate of the motor is high. Therefore, we improve the technology and propose a double-layer motor technology.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a double-layer motor process, which comprises the following steps:
firstly, manufacturing a pouring mold for pouring a motor shell, then respectively arranging molten iron channels for pouring molten iron at the top and the bottom of the mold, and then placing a filter in the inner part of an inlet of the molten iron channel;
step two, manufacturing molten iron, namely mixing cast iron, scrap iron and graphite according to the ratio of 8: 1: 1, putting the mixture into a mixer for mixing, then putting the mixed raw materials into a smelting furnace, and smelting the mixed raw materials into molten iron through the smelting furnace;
pouring, namely pouring molten iron into the mold from the upper channel and the lower channel of the mold until pouring is finished, wherein impurities in the molten iron pass through a filter in the pouring process and are removed by a filter boiler;
and step four, cooling the poured mould by using cooling equipment so as to form the motor shell, and then removing the mould so as to obtain the prepared motor shell.
In a preferred embodiment of the present invention, the filter is a ceramic foam filter.
As a preferable technical scheme of the invention, the fusion casting temperature of the smelting furnace is one thousand five hundred degrees centigrade, and the time for mixing the raw materials is thirty minutes.
In a preferred embodiment of the present invention, the cooling medium of the cooling device is water, and the cooling time of the mold by the cooling device is one to two hours.
In a preferred embodiment of the present invention, the raw materials of cast iron, scrap iron, and graphite are washed and dried before being mixed by a mixer.
The invention has the beneficial effects that: this kind of double-deck motor technology, adopt the double-deck mode of pouring, can pack the uniformity that motor casing was pour, and then reduce the condition that motor casing warp and lead to the rejection rate to increase, the yield that the casing was pour is improved, and adopt the filter can filter a large amount of impurity in the molten iron, can reduce the influence that impurity pour the quality to the casing, and then the shell that makes to pour is more complete smooth, adopt double-deck technology to pour and can shorten the pouring time greatly, and then improve the efficiency of pouring of casing, thereby improve user's economic benefits.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
Example (b): the invention discloses a double-layer motor process, which comprises the following steps:
firstly, manufacturing a pouring mold for pouring a motor shell, then respectively arranging molten iron channels for pouring molten iron at the top and the bottom of the mold, and then placing a filter in the inner part of an inlet of the molten iron channel;
step two, manufacturing molten iron, namely mixing cast iron, scrap iron and graphite according to the ratio of 8: 1: 1, putting the mixture into a mixer for mixing, then putting the mixed raw materials into a smelting furnace, and smelting the mixed raw materials into molten iron through the smelting furnace;
pouring, namely pouring molten iron into the mold from the upper channel and the lower channel of the mold until pouring is finished, wherein impurities in the molten iron pass through a filter in the pouring process and are removed by a filter boiler;
and step four, cooling the poured mould by using cooling equipment so as to form the motor shell, and then removing the mould so as to obtain the prepared motor shell.
Wherein, the filter is the foamed ceramic filter, adopts the filter can filter a large amount of impurity in the molten iron, and then makes the shell of pouring more complete smooth.
Wherein the melting and casting temperature of the melting furnace is one thousand five hundred degrees centigrade, and the mixing time of the raw materials is thirty minutes.
Wherein, cooling medium of cooling arrangement is water, and the time of cooling arrangement to the mould is one to two hours, cools off through water and can reduce manufacturing cost to the hot water that produces can recycle in the cooling process, can recycle after the hot water cooling.
The raw materials such as cast iron, waste iron and graphite need to be cleaned and dried before being mixed by the mixer, impurities in the raw materials such as the cast iron, the waste iron and the graphite can be reduced by cleaning the raw materials such as the cast iron, the waste iron and the graphite, and the casing pouring quality is further improved.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships shown only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A double-layer motor process is characterized by comprising the following steps:
firstly, manufacturing a pouring mold for pouring a motor shell, then respectively arranging molten iron channels for pouring molten iron at the top and the bottom of the mold, and then placing a filter in the inner part of an inlet of the molten iron channel;
step two, manufacturing molten iron, namely mixing cast iron, scrap iron and graphite according to the ratio of 8: 1: 1, putting the mixture into a mixer for mixing, then putting the mixed raw materials into a smelting furnace, and smelting the mixed raw materials into molten iron through the smelting furnace;
pouring, namely pouring molten iron into the mold from the upper channel and the lower channel of the mold until pouring is finished, wherein impurities in the molten iron pass through a filter in the pouring process and are removed by a filter boiler;
and step four, cooling the poured mould by using cooling equipment so as to form the motor shell, and then removing the mould so as to obtain the prepared motor shell.
2. A double layer electrical machine process as claimed in claim 1, wherein the filter is a ceramic foam filter.
3. The double-layered electric machine process according to claim 1, wherein the melting temperature of the melting furnace is one thousand five hundred degrees celsius, and the time for mixing the raw materials is thirty minutes.
4. The double-layer motor process according to claim 1, wherein the cooling medium of the cooling device is water, and the cooling time of the mold by the cooling device is one to two hours.
5. The double-layer motor process according to claim 1, wherein the raw materials of cast iron, scrap iron and graphite are washed and dried before being mixed by a mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951113.2A CN110883314A (en) | 2019-10-08 | 2019-10-08 | Double-layer motor process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951113.2A CN110883314A (en) | 2019-10-08 | 2019-10-08 | Double-layer motor process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110883314A true CN110883314A (en) | 2020-03-17 |
Family
ID=69746054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910951113.2A Pending CN110883314A (en) | 2019-10-08 | 2019-10-08 | Double-layer motor process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110883314A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252452A (en) * | 2013-05-23 | 2013-08-21 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for casting isometric crystal turbine work blade blanks |
| CN105903912A (en) * | 2016-07-06 | 2016-08-31 | 安徽莱恩电泵有限公司 | Novel pouring die structure for cast-steel double-suction impeller |
| CN205702329U (en) * | 2016-05-16 | 2016-11-23 | 海城市红达环保机电装备制造有限公司 | A kind of impact crusher bar running gate system |
| CN207358114U (en) * | 2017-11-07 | 2018-05-15 | 黄石新兴管业有限公司 | A kind of large thick-wall ingot mould casting moulding system |
| CN108817325A (en) * | 2018-07-18 | 2018-11-16 | 安徽宏华铸造有限公司 | A kind of casting technique of motor housing |
-
2019
- 2019-10-08 CN CN201910951113.2A patent/CN110883314A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252452A (en) * | 2013-05-23 | 2013-08-21 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for casting isometric crystal turbine work blade blanks |
| CN205702329U (en) * | 2016-05-16 | 2016-11-23 | 海城市红达环保机电装备制造有限公司 | A kind of impact crusher bar running gate system |
| CN105903912A (en) * | 2016-07-06 | 2016-08-31 | 安徽莱恩电泵有限公司 | Novel pouring die structure for cast-steel double-suction impeller |
| CN207358114U (en) * | 2017-11-07 | 2018-05-15 | 黄石新兴管业有限公司 | A kind of large thick-wall ingot mould casting moulding system |
| CN108817325A (en) * | 2018-07-18 | 2018-11-16 | 安徽宏华铸造有限公司 | A kind of casting technique of motor housing |
Non-Patent Citations (1)
| Title |
|---|
| 周尧和等: "《凝固技术》", 30 September 1998, 北京：机械工业出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200317 |
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| RJ01 | Rejection of invention patent application after publication |