CN102886496A - Casting feeding method and device - Google Patents
Casting feeding method and device Download PDFInfo
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- CN102886496A CN102886496A CN2012104242833A CN201210424283A CN102886496A CN 102886496 A CN102886496 A CN 102886496A CN 2012104242833 A CN2012104242833 A CN 2012104242833A CN 201210424283 A CN201210424283 A CN 201210424283A CN 102886496 A CN102886496 A CN 102886496A
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Abstract
The invention discloses a casting feeding method and a casting feeding device. The casting feeding device comprises a mold body for casting, a feeder is arranged on the mold body and connected to the upper end face of the mold body, a runner gate is arranged on the outer side of the upper part of the mold body and is communicated with a sprue gate; and the sprue gate is communicated with the feeder through a runner. When being poured, molten metal is slowly poured from the upper end of a mold cavity, until the molten metal reaches the upper end of the mold cavity. The device disclosed by the invention overcomes the shortcomings in the prior art, constantly keeps the molten metal in the feeder at the highest temperature by a reasonable casting head system, achieves a slow cooling order from the lower end to the upper end to ensure excellent feeding for casting, and can properly diminish the size of the feeder to improve process yield and save raw materials.
Description
Technical field
The present invention relates to metal casting Feeding field, specifically belong to a kind of casting shrinkage method and apparatus.
Background technology
Have now in permanent mold casting, generally all will be according to the design feature of foundry goods, to the thick large part design of foundry goods rising head, allow the interior molten metal of rising head that the thick large part of foundry goods is carried out feeding, emit port part molten metal can and the foundry goods of rising head bottom very fast cooling down together, in order to slow down the molten metal cooling down of emitting notch portion, general Adopts measure, strengthen the rising head volume, at rising head surface of internal cavity spray coating heat preservation coating or insulation material, when thermal insulation coatings comes off, stop to produce again spraying, operating difficulties, riser metal liquid feeding efficiency is low.The casting flaws such as shrinkage cavity shrinkage porosity occur easily, because the rising head volume is large, reduced the casting technique yield rate, waste of raw materials is serious.During existing casting, molten metal is injected die cavity by straight sprue gate from the mold cavity lower end, the last like this molten metal end temperature that enters die cavity is the highest, and the rising head temperature is lower.Die cavity upper end rising head contacts with extraneous, molten metal at first cools off on top when cooling, slowly cool off to the lower end again, do not conform to needing the go ahead of the rest order of cooled and solidified of foundry goods, at this moment need to strengthen rising head volume guarantee rising head and cool off at last, after the integral body cooling, the metal contracts in the die cavity is serious like this, the riser feeding weak effect forms the casting flaws such as shrinkage cavity shrinkage porosity easily.
Summary of the invention
The purpose of this invention is to provide a kind of casting shrinkage method and apparatus, the deficiencies in the prior art have been overcome, by rational running and feeding system, allow the molten metal that enters rising head be the high-temperature liquid metal that enters at last all the time, guaranteed rational solidification sequence, the high temperature rising head can form good feeding, can reduce the rising head volume, improve the casting technique yield rate, save material.
The technical solution used in the present invention is as follows:
A kind of casting shrinkage method, described the method may further comprise the steps:
(1) mold cavity that will cast installs and fixes;
(2) the mold cavity upper end arranges rising head, is communicated with runner gate in the mold cavity upper outside, vertical connection down gate on the runner gate, and rising head is communicated with by running channel with down gate;
(3) molten metal is filled in the mold cavity by down gate, slowly upwards until fill with mold cavity, down gate is communicated with rising head molten metal, remains that the molten metal in the rising head is the high-temperature liquid metal that enters at last rising head from the lower end, rising head cools off at last, forms good feeding;
(4) foundry goods is taken out in die sinking.
Described rising head remains the highest pouring temperature, rising head final set when cooled and solidified.
Described foundry goods is permanent mold casting or sand casting.
A kind of feeding casting device comprises the mold of casting usefulness, and mold is provided with rising head, and rising head is connected on the mold upper surface, and the mold upper outside is provided with runner gate, is communicated with down gate on the runner gate; Be communicated with by running channel between described down gate and the rising head.
Compared with the prior art, beneficial effect of the present invention is as follows:
The present invention design is provided with runner gate in the concrete upper outside of metal pattern, is communicated with down gate on the runner gate, is communicated with by running channel between down gate and the rising head.Because rising head is communicated with down gate, the molten metal that enter rising head this moment enters all the time at last, until fill with mold cavity, has guaranteed metal liquid temperature in the rising head, and rising head cools off at last during cooled and solidified, forms good feeding.Can suitably reduce the rising head volume, improve the casting technique yield rate, save material.
Description of drawings
Fig. 1 is structural representation of the present invention.
The specific embodiment
Referring to accompanying drawing, a kind of casting shrinkage method, the method may further comprise the steps:
(1) mold cavity that will cast installs and fixes;
(2) the mold cavity upper end arranges rising head, is communicated with runner gate in the mold cavity upper outside, vertical connection down gate on the runner gate, and rising head is communicated with by running channel with down gate, and foundry goods lower end and thick large part are installed chilling block device.
(3) molten metal is filled in the mold cavity by down gate, molten metal slowly makes progress from the lower end, and rising head is communicated with down gate, and the molten metal that enter rising head this moment enters all the time at last, until fill with mold cavity, guaranteed metal liquid temperature in the rising head;
(4) foundry goods is taken out in die sinking, and casting method is permanent mold casting or sand casting.When casting like this, foundry goods lower end and thick large part are cooled off first, and then slowly upwards cooling, can form good feeding, save material.
A kind of feeding casting device comprises the mold 1 of casting usefulness, and mold 1 is provided with rising head 2, and rising head 2 is installed on mold 1 upper surface, and mold 1 upper outside is provided with runner gate 3, is communicated with down gate 4 on the runner gate 3; Be communicated with by running channel 5 between down gate 4 and the rising head 2, mold 1 lower end is provided with cooling device 6.When casting like this, cool off first the mold lower end, and then slowly upwards cooling, has guaranteed can form good feeding behind the casting of metals, economizes in raw materials.
Claims (4)
1. casting shrinkage method, it is characterized in that: described the method may further comprise the steps:
(1) mold cavity that will cast installs and fixes;
(2) the mold cavity upper end arranges rising head, is communicated with runner gate in the mold cavity upper outside, vertical connection down gate on the runner gate, and rising head is communicated with by running channel with down gate;
(3) molten metal is filled in the mold cavity by down gate, slowly upwards until fill with mold cavity, down gate is communicated with rising head molten metal, remains that the molten metal in the rising head is the high-temperature liquid metal that enters at last rising head from the lower end, rising head cools off at last, forms good feeding;
(4) foundry goods is taken out in die sinking.
2. a kind of casting shrinkage method according to claim 1, it is characterized in that: described rising head remains the highest pouring temperature, rising head final set when cooled and solidified.
3. a kind of casting shrinkage method according to claim 1, it is characterized in that: described foundry goods is permanent mold casting or sand casting.
4. feeding casting device is characterized in that: described this device, comprise the mold of casting usefulness, and mold is provided with rising head, and rising head is connected on the mold upper surface, and the mold upper outside is provided with runner gate, is communicated with down gate on the runner gate; Be communicated with by running channel between described down gate and the rising head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104242833A CN102886496A (en) | 2012-10-26 | 2012-10-26 | Casting feeding method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104242833A CN102886496A (en) | 2012-10-26 | 2012-10-26 | Casting feeding method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102886496A true CN102886496A (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104242833A Pending CN102886496A (en) | 2012-10-26 | 2012-10-26 | Casting feeding method and device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102886496A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645685A (en) * | 2018-04-23 | 2018-10-12 | 武汉泛洲中越合金有限公司 | A kind of preparation facilities and its method of spectrum control sample |
| CN108772538A (en) * | 2018-08-21 | 2018-11-09 | 浙江东新动力有限公司 | Full-automatic valve foundry production line |
| CN109317619A (en) * | 2018-11-14 | 2019-02-12 | 安徽应流集团霍山铸造有限公司 | A stepped pouring device |
| CN112570688A (en) * | 2020-11-11 | 2021-03-30 | 中北大学 | Solid-liquid forming steel-copper bimetallic material heat treatment method |
| CN115582516A (en) * | 2022-11-21 | 2023-01-10 | 优铸科技(北京)有限公司 | Pouring system structure and casting process method |
Citations (4)
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| EP1752237A1 (en) * | 2005-08-03 | 2007-02-14 | GM Global Technology Operations, Inc. | Lost foam casting apparatus and method for creating hollow gating |
| CN201768879U (en) * | 2010-09-13 | 2011-03-23 | 江阴联华铸造有限公司 | Vertical casting mould for nodular cast iron |
| CN102211143A (en) * | 2011-05-21 | 2011-10-12 | 王吉龙 | Copper-aluminum alloy bottom pouring type pouring system structure |
| CN202123210U (en) * | 2011-05-21 | 2012-01-25 | 王吉龙 | Bottom gating system structure of aluminum copper alloy |
-
2012
- 2012-10-26 CN CN2012104242833A patent/CN102886496A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1752237A1 (en) * | 2005-08-03 | 2007-02-14 | GM Global Technology Operations, Inc. | Lost foam casting apparatus and method for creating hollow gating |
| CN201768879U (en) * | 2010-09-13 | 2011-03-23 | 江阴联华铸造有限公司 | Vertical casting mould for nodular cast iron |
| CN102211143A (en) * | 2011-05-21 | 2011-10-12 | 王吉龙 | Copper-aluminum alloy bottom pouring type pouring system structure |
| CN202123210U (en) * | 2011-05-21 | 2012-01-25 | 王吉龙 | Bottom gating system structure of aluminum copper alloy |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645685A (en) * | 2018-04-23 | 2018-10-12 | 武汉泛洲中越合金有限公司 | A kind of preparation facilities and its method of spectrum control sample |
| CN108645685B (en) * | 2018-04-23 | 2021-06-04 | 武汉泛洲中越合金有限公司 | A kind of preparation device and method for spectral control sample |
| CN108772538A (en) * | 2018-08-21 | 2018-11-09 | 浙江东新动力有限公司 | Full-automatic valve foundry production line |
| CN109317619A (en) * | 2018-11-14 | 2019-02-12 | 安徽应流集团霍山铸造有限公司 | A stepped pouring device |
| CN112570688A (en) * | 2020-11-11 | 2021-03-30 | 中北大学 | Solid-liquid forming steel-copper bimetallic material heat treatment method |
| CN115582516A (en) * | 2022-11-21 | 2023-01-10 | 优铸科技(北京)有限公司 | Pouring system structure and casting process method |
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Application publication date: 20130123 |