CN110756761A - Die casting method of door handle - Google Patents
Die casting method of door handle Download PDFInfo
- Publication number
- CN110756761A CN110756761A CN201911063222.7A CN201911063222A CN110756761A CN 110756761 A CN110756761 A CN 110756761A CN 201911063222 A CN201911063222 A CN 201911063222A CN 110756761 A CN110756761 A CN 110756761A
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- CN
- China
- Prior art keywords
- die
- casting
- door handle
- die casting
- handle according
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- 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.)
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
Abstract
The invention discloses a die-casting method of a door handle, which comprises the following steps: p1, checking; p2, mold closing; p3, smelting; p4, quantitatively taking materials; p5, die casting; p6, opening the die; p7, trimming, the die-casting method of the door handle provided by the invention has the advantages that the lubricating agent is sprayed after the die is inspected, the influence on the die-casting operation due to the problems of sand holes and the like of the die is avoided, the safety is ensured, the post-demolding treatment is facilitated, simultaneously, the reasonably configured raw materials are adopted, the high-pressure die-casting is carried out after the slag is removed, the subsequent trimming treatment is combined, the product quality is effectively improved, the safety and the stability of the die-casting are ensured, and the production and the use are facilitated.
Description
Technical Field
The invention relates to the technical field of door handle processing, in particular to a die-casting method of a door handle.
Background
In the current social life, people pay more and more attention to the aesthetic property, especially luxury wooden doors are generally provided with door handles with integral structures, and in order to ensure the decorative effect, most of the door handles are in unique shapes and structures.
And door handle production adds man-hour, adopts the mode of mould die-casting to operate mostly, but current die-casting mode is when the operation, directly operates behind the mould compound die, and easy because use the incomplete mould and cause the raw materials extravagant, also can cause the potential safety hazard simultaneously, in operation process, is unfavorable for control moreover, and follow-up blank lacks the correction processing step, influences the door handle quality.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a die-casting method of a door handle.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method of die casting a door handle, the die casting method comprising the steps of:
p1, test: checking whether the die-casting die is intact, and spraying a lubricant into a die cavity of the die-casting die;
p2, mold closing: closing the two molds until the gap between the parting surfaces of the molds is 10-15 mm, stopping closing the molds, injecting oxygen into the positions of the parting surfaces for pretreatment, and then completely closing the molds;
p3, smelting: heating the raw materials to a molten state, standing for 20 to 30 minutes, preserving heat, and removing floating slag on the surface;
p4, quantitative take: quantitatively taking out the high-temperature metal molten material by using a pouring container;
p5, die casting: adding a high-temperature molten material into a mold from a pouring gate, introducing high-pressure oxygen for die casting, and then cooling and forming;
p6, opening the mould: after cooling, opening the die and taking out the internal die-casting blank;
p7, modification: and (5) trimming the die-casting blank, removing the flash and the pouring head, and then completing the die-casting forming.
Preferably, the lubricant in the step P1 is demolding lubricant oil comprising paraffin 20-30%, bentonite 10-15%, high-molecular polymerized grease 30-50%, graphite powder 10-20% and kerosene 8-15%.
Preferably, the raw material of the step P3 is aluminum alloy, including 15-20% of iron, 60-80% of aluminum, 3-8% of silicon, 2-5% of copper, 0.1-0.6% of titanium, 0.5-1.5% of zinc and 0.1-0.3% of chromium.
Preferably, the pouring container in the step P4 is a material taking spoon, is made of cast iron, and is coated with a copper coating on the outer surface.
Preferably, the pressure of the high pressure oxygen of the P5 step is 0.2MPa to 0.35MPa and lasts for 5 minutes to 10 minutes.
Preferably, the step P6 adopts a natural air cooling mode.
Preferably, the step P7 of removing the flash and the casting head are cut and removed by a cutting machine.
According to the die-casting method of the door handle, the lubricating agent is sprayed after the die is inspected, so that the die-casting operation is prevented from being influenced by the problems of sand holes and the like of the die, the safety is ensured, the post-demolding treatment is facilitated, reasonably-configured raw materials are adopted, high-pressure die-casting is carried out after slag is removed, the subsequent shape-modifying treatment is combined, the product quality is effectively improved, the safety and stability of die-casting are ensured, and the production and the use are facilitated.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A method of die casting a door handle, the die casting method comprising the steps of:
p1, test: checking whether the die-casting die is intact, and spraying a lubricant into a die cavity of the die-casting die;
p2, mold closing: closing the two molds until the gap between the parting surfaces of the molds is 10-15 mm, stopping closing the molds, injecting oxygen into the positions of the parting surfaces for pretreatment, and then completely closing the molds;
p3, smelting: heating the raw materials to a molten state, standing for 20 to 30 minutes, preserving heat, and removing floating slag on the surface;
p4, quantitative take: quantitatively taking out the high-temperature metal molten material by using a pouring container;
p5, die casting: adding a high-temperature molten material into a mold from a pouring gate, introducing high-pressure oxygen for die casting, and then cooling and forming;
p6, opening the mould: after cooling, opening the die and taking out the internal die-casting blank;
p7, modification: and (5) trimming the die-casting blank, removing the flash and the pouring head, and then completing the die-casting forming.
Preferably, the lubricant in the step P1 is demolding lubricant oil comprising paraffin 20-30%, bentonite 10-15%, high-molecular polymerized grease 30-50%, graphite powder 10-20% and kerosene 8-15%.
Preferably, the raw material of the step P3 is aluminum alloy, including 15-20% of iron, 60-80% of aluminum, 3-8% of silicon, 2-5% of copper, 0.1-0.6% of titanium, 0.5-1.5% of zinc and 0.1-0.3% of chromium.
Preferably, the pouring container in the step P4 is a material taking spoon, is made of cast iron, and has a copper-clad surface.
Preferably, the pressure of the high pressure oxygen of the P5 step is 0.2MPa to 0.35MPa and lasts for 5 minutes to 10 minutes.
Preferably, the step P6 adopts an air natural cooling mode.
Preferably, the step P7 of removing the flash and the casting head are cut and removed by a cutting machine.
According to the die-casting method of the door handle, the lubricating agent is sprayed after the die is inspected, so that the die-casting operation is prevented from being influenced by the problems of sand holes and the like of the die, the safety is ensured, the post-demolding treatment is facilitated, reasonably-configured raw materials are adopted, high-pressure die-casting is carried out after slag is removed, the subsequent shape-modifying treatment is combined, the product quality is effectively improved, the safety and stability of die-casting are ensured, and the production and the use are facilitated.
Examples
A method of die casting a door handle, the die casting method comprising the steps of:
p1, test: checking whether the die-casting die is intact, and spraying a lubricant into a die cavity of the die-casting die;
p2, mold closing: closing the two molds until the gap between the parting surfaces of the molds is 10-15 mm, stopping closing the molds, injecting oxygen into the positions of the parting surfaces for pretreatment, and then completely closing the molds;
p3, smelting: heating the raw materials to a molten state, standing for 20 to 30 minutes, preserving heat, and removing floating slag on the surface;
p4, quantitative take: quantitatively taking out the high-temperature metal molten material by using a pouring container;
p5, die casting: adding a high-temperature molten material into a mold from a pouring gate, introducing high-pressure oxygen for die casting, and then cooling and forming;
p6, opening the mould: after cooling, opening the die and taking out the internal die-casting blank;
p7, modification: and (5) trimming the die-casting blank, removing the flash and the pouring head, and then completing the die-casting forming.
Preferably, the lubricant in the step P1 is a mold release lubricant, and comprises 25% of paraffin, 10% of bentonite, 45% of high-molecular polymerized grease, 10% of graphite powder and 10% of kerosene.
Preferably, the raw material of the P3 step is an aluminum alloy including 15% of iron, 77.3% of aluminum, 4% of silicon, 2% of copper, 0.5% of titanium, 1% of zinc and 0.2% of chromium.
Preferably, the pouring container in the step P4 is a material taking spoon, is made of cast iron, and has a copper-clad surface.
Preferably, the pressure of the high pressure oxygen of the P5 step is 0.25MPa and lasts for 8 minutes.
Preferably, the step P6 adopts an air natural cooling mode.
Preferably, the step P7 of removing the flash and the casting head are cut and removed by a cutting machine.
Claims (7)
1. A die casting method of a door handle is characterized in that: the die casting method comprises the following steps:
p1, test: checking whether the die-casting die is intact, and spraying a lubricant into a die cavity of the die-casting die;
p2, mold closing: closing the two molds until the gap between the parting surfaces of the molds is 10-15 mm, stopping closing the molds, injecting oxygen into the positions of the parting surfaces for pretreatment, and then completely closing the molds;
p3, smelting: heating the raw materials to a molten state, standing for 20 to 30 minutes, preserving heat, and removing floating slag on the surface;
p4, quantitative take: quantitatively taking out the high-temperature metal molten material by using a pouring container;
p5, die casting: adding a high-temperature molten material into a mold from a pouring gate, introducing high-pressure oxygen for die casting, and then cooling and forming;
p6, opening the mould: after cooling, opening the die and taking out the internal die-casting blank;
p7, modification: and (5) trimming the die-casting blank, removing the flash and the pouring head, and then completing the die-casting forming.
2. A method of die casting a door handle according to claim 1, wherein: the lubricant in the step P1 is demolding lubricant oil comprising paraffin 20-30%, bentonite 10-15%, high-molecular polymerized grease 30-50%, graphite powder 10-20% and kerosene 8-15%.
3. A method of die casting a door handle according to claim 1, wherein: the raw material of the step P3 is aluminum alloy, including 15-20% of iron, 60-80% of aluminum, 3-8% of silicon, 2-5% of copper, 0.1-0.6% of titanium, 0.5-1.5% of zinc and 0.1-0.3% of chromium.
4. A method of die casting a door handle according to claim 1, wherein: and the pouring container in the step P4 is a material taking spoon, is made of cast iron, and is coated with a copper coating on the outer surface.
5. A method of die casting a door handle according to claim 1, wherein: the pressure of the high pressure oxygen of the P5 step is 0.2MPa to 0.35MPa and lasts for 5 minutes to 10 minutes.
6. A method of die casting a door handle according to claim 1, wherein: the step P6 adopts an air natural cooling mode.
7. A method of die casting a door handle according to claim 1, wherein:
and removing the flash in the step P7 and cutting and removing the pouring head by using a cutting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911063222.7A CN110756761A (en) | 2019-11-04 | 2019-11-04 | Die casting method of door handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911063222.7A CN110756761A (en) | 2019-11-04 | 2019-11-04 | Die casting method of door handle |
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| CN110756761A true CN110756761A (en) | 2020-02-07 |
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| CN201911063222.7A Pending CN110756761A (en) | 2019-11-04 | 2019-11-04 | Die casting method of door handle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213368A (en) * | 2022-07-26 | 2022-10-21 | 浙江德洲五金有限公司 | Die-casting method for anti-fatigue handle |
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| CN107675035A (en) * | 2017-08-24 | 2018-02-09 | 南通冠达粉末冶金有限公司 | A kind of pressure casting method of auto parts machinery |
| CN108994272A (en) * | 2018-09-13 | 2018-12-14 | 台山市国峰耐磨金属科技有限公司 | A kind of pressure casting method of die casting |
| CN208743654U (en) * | 2018-09-12 | 2019-04-16 | 合锋卫浴（厦门）有限公司 | A kind of die casting of door handle |
| CN109913708A (en) * | 2019-03-20 | 2019-06-21 | 东莞旭光五金氧化制品有限公司 | Novel 6 line aluminium alloy of one kind and preparation method thereof |
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2019
- 2019-11-04 CN CN201911063222.7A patent/CN110756761A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| IE20040511A1 (en) * | 2004-07-27 | 2006-02-08 | Sternford Ltd | A method for die casting a component of metal with minimised surface contaminants, and a die cast component |
| CN102284675A (en) * | 2010-06-17 | 2011-12-21 | 霍山县诚胜金属制品有限公司 | Lubricating oil for die-casting and de-molding |
| CN102864351A (en) * | 2012-09-20 | 2013-01-09 | 张家港市金邦铝业有限公司 | Aluminum profile and heating processing technology thereof |
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| CN115213368A (en) * | 2022-07-26 | 2022-10-21 | 浙江德洲五金有限公司 | Die-casting method for anti-fatigue handle |
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Application publication date: 20200207 |