CN106623807A - Casting method of large-scale bronze tripod - Google Patents
Casting method of large-scale bronze tripod Download PDFInfo
- Publication number
- CN106623807A CN106623807A CN201610728552.3A CN201610728552A CN106623807A CN 106623807 A CN106623807 A CN 106623807A CN 201610728552 A CN201610728552 A CN 201610728552A CN 106623807 A CN106623807 A CN 106623807A
- Authority
- CN
- China
- Prior art keywords
- tripod
- cooking vessel
- vessel body
- ancient cooking
- legs
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/103—Multipart cores
-
- 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
Abstract
The invention relates to a casting method of a large-scale bronze tripod. The large-scale bronze tripod is characterized in that a tripod opening is provided with double erect ears, and an opening edge is slightly converged; tripod legs, a tripod body and the tripod ears are casted independently; and when the tripod body is modeled, the opening part is downward, and the bottom part is upward. The casting method of the large-scale bronze tripod comprises the steps of casting the tripod body: manufacturing outer-layer sand moulds according to a model, hardening layer by layer, pre-burying the casted tripod legs on an outer layer, and placing molded pouring system bricks for manufacturing an inner casting gate, a cross gate ring and gate sprues; confirming the positions of the three tripod legs, welding and positioning sand boxes all around, manufacturing middle clay cores, placing the built-in sand boxes in the middle of the middle clay cores, and splicing the boxes together to form a tripod body cavity; pouring to cast-weld the tripod legs and the tripod body into a whole; and pouring a copper alloy liquid into reserved tripod ear cast-weld grooves so as to cast-weld the tripod ears, the tripod legs and the tripod body to form the large-scale bronze tripod. According to the casting method of the large-scale bronze tripod, the tripod legs and the tripod ears are casted independently and then are cast-weld with the tripod body, so that not only is the welding quantity during splicing reduced, but also the overall structure strength is improved; and the outer-layer sand moulds and the middle clay cores are manufactured in layers and are spliced into a whole, and then are simultaneously poured by utilizing two tundishes, so that the surface quality is excellent.
Description
Technical field
The present invention relates to a kind of casting method of bronze pot is specifically related to one kind.Can be used for the large-scale of 90 tons of weight and the above
The casting method of bronze pot.
Background technology
Bronze pot occurs having had some time in history as the art work, the common mostly circular or side of its shape
Shape ancient cooking vessel body, under have the legs of the tripod, a upper vertical ears of a tripod, forming method generally casts and welds.
For small-sized bronze pot of the weight below 10 tons, due to size it is less, it is adaptable to monoblock cast is one-time formed
Method, can simplify production process.
For medium-sized bronze pot of the weight below 50 tons, its size and structure have certain scale, using overall casting
When making, formative method is complicated, the difficult control of sand mold morpheme size.Domestic certain producer when 50 tons of bronze side's ancient cooking vessels are manufactured, by the legs of the tripod, ancient cooking vessel
Body, the ears of a tripod individually cast, during ancient cooking vessel body moulding, oral area under, it is bottom-up, the layering of outer layer sand mold makes, and middle loam core integrally makes
Make, the legs of the tripod for cast is placed in into ancient cooking vessel body bottom and its cast welding, obtain the entirety of ancient cooking vessel body and the legs of the tripod, then by the good ears of a tripod of single casting
The mode for welding spelling with ancient cooking vessel body is successfully produced.
For the large-scale bronze pot that weight is 90 tons, precedent is not made before this, using original preparation method, exist with
Lower problem：
1) single ears of a tripod weight and size are larger, are welded with ancient cooking vessel body again using single casting, it is impossible to ensure the intensity after welding
And stability；
2) bronze is great as ball-shaped, and ancient cooking vessel mouth is containing, need to consider in moulding between outer layer sand mold and middle loam core
Spell interference during case；
3) during ancient cooking vessel body one-time cast-forming, the mold filling temperature of a large amount of copper alloy liquids and the control of time.
The content of the invention
The purpose of the present invention is for above-mentioned present situation, it is desirable to provide a kind of bulk strength is high, excellent surface quality it is large-scale
The casting method of bronze pot.
The implementation of the object of the invention is that the casting method of large-scale bronze pot, ancient cooking vessel body bottom three is based oneself upon, and ancient cooking vessel mouth is double vertical
Ear, opening's edge is micro- to hold back；Individually cast using the legs of the tripod, ancient cooking vessel body, the ears of a tripod, during ancient cooking vessel body moulding, oral area is under, bottom-up, outer layer sand mold
Layering makes, and comprises the following steps that：
1) ancient cooking vessel body is cast,
(1) outer layer sand mold is first made, first according to modelling outer layer sand mold, according to the decorative pattern region on ancient cooking vessel body surface, successively
Sand mold layering is made into outer layer sand mold one, two, three, and is successively hardened, in the pre-buried legs of the tripod one, two, three for having cast of outer layer；
(2) the running gate system brick for putting shaping successively in the sand mold of sand mold three is made makes ingate, cross gate circle, directly pours
Road one, two；On ancient cooking vessel body arc top, corresponding site determines the position of 3 legs of the tripod, positions with the welding of surrounding sandbox, and legs of the tripod the raised area surpasses
Go out the thickness in ancient cooking vessel body water route；
(3) according to ancient cooking vessel body make in the middle of loam core one, two, three, four, and put successively in the middle of middle loam core built-in sandbox one,
2nd, three, four, five, six, seven；It is easy to case of unpacking and spell；
2) case is spelled,
(1) outer layer sand mold one is first spelled, then loam core one, two, three in the middle of spelling successively, fill out Jiao in the middle of built-in sandbox one-seven
Charcoal, then spell middle loam core four；Back-up sand and consolidation of pounding at every layer of die joint；
(2) spell outer layer sand mold two, three successively again, constitute ancient cooking vessel body die cavity；
(3) pour into a mould from sprue one, two, Jing cross gate circles, ingate, inject die cavity, the legs of the tripod is integral with ancient cooking vessel body cast welding；
3) in the reserved ears of a tripod cast welding groove in ancient cooking vessel body oral area flange relevant position, the ears of a tripod individually after casting, is poured into groove
Copper alloy liquid makes the ears of a tripod, the legs of the tripod and the cast welding of ancient cooking vessel body into large-scale bronze pot.
Individually cast using the legs of the tripod, the ears of a tripod during present invention casting, then respectively with ancient cooking vessel body cast welding, both reduced weldering during splicing
The amount of connecing also increases overall structural strength.When ancient cooking vessel body casts, due to mouth diameters it is little, using outer layer sand mold and middle loam core
Layering make again spelling it is integral after cast mode, it is to avoid spell interference during case.Simultaneously using two tundish simultaneously to
The mode poured into a mould in two sprues, the bronze pot excellent surface quality for obtaining.
Description of the drawings
Fig. 1 is Pouring form figure of the present invention,
Fig. 2 is ancient cooking vessel body of the present invention, ears of a tripod cavity version figure.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is further illustrated with embodiment.
The large-scale bronze pot of present invention casting, ancient cooking vessel body bottom three is based oneself upon, the double crect ears of ancient cooking vessel mouth, and opening's edge is micro- to hold back.Using the legs of the tripod, ancient cooking vessel
Body, the ears of a tripod individually cast, and during ancient cooking vessel body moulding, oral area is under, bottom-up, outer layer sand mold layering making, comprise the following steps that (see
Fig. 1)：
1) ancient cooking vessel body is cast,
(1) outer layer sand mold is first made, first according to modelling outer layer sand mold, according to the decorative pattern region on ancient cooking vessel body surface, successively
Sand mold layering is made into outer layer sand mold one 1, outer layer sand mold 22, outer layer sand mold 33, and is successively hardened, cast outer layer is pre-buried
The legs of the tripod 1, the legs of the tripod 2 20, the legs of the tripod 3 21；
(2) the running gate system brick for putting shaping successively in the sand mold of sand mold 33 is made makes ingate 18, cross gate circle
17th, sprue 1, sprue 2 16；On ancient cooking vessel body arc top, corresponding site determines the position of 3 legs of the tripod, fixed with the welding of surrounding sandbox
Position, legs of the tripod the raised area exceeds the thickness in ancient cooking vessel body water route,
(3) middle loam core 1, middle loam core 25, middle loam core 36, middle loam core 47 are made according to ancient cooking vessel body, and in
Between put built-in sandbox 1, built-in sandbox 29, built-in sandbox 3 10, built-in sandbox 4 11, built-in sandbox five successively in the middle of loam core
12nd, built-in sandbox 6 13, built-in sandbox 7 14；It is easy to case of unpacking and spell；
2) case is spelled,
(1) outer layer sand mold 1 is first spelled, then loam core 1, middle loam core 25, middle loam core 36 in the middle of spelling successively, built-in
Coke is filled out in the middle of sandbox one-seven, then spells middle loam core 47；Back-up sand and consolidation of pounding at every layer of die joint；
(2) spell outer layer sand mold 22, outer layer sand mold 33 successively again, constitute ancient cooking vessel body die cavity；
(3) pour into a mould from sprue 1, sprue 2 16, Jing cross gates circle 17, ingate 18, inject die cavity, the legs of the tripod with
Ancient cooking vessel body cast welding is integral；
When the legs of the tripod is poured into a mould with ancient cooking vessel body, by the way of ladle combined casting in the middle of two.Copper alloy liquid is come out of the stove successively from electric furnace
To two casting ladles；The temperature difference of copper alloy during the length of inflated with nitrogen time is to control two casting ladles in being wrapped by control.
Ancient cooking vessel body running gate system is teeming rain type, and all using the running gate system brick of shaping, copper alloy is directly poured by double
Road one, two is flowed into cross gate circle 17, then injects die cavity from ingate 18.
At 1260 DEG C～1280 DEG C, pouring temperature is controlled 1110 DEG C～1130 for the tapping temperature control of the copper alloy
℃。
3) in the reserved ears of a tripod cast welding groove 26 in ancient cooking vessel body oral area flange relevant position, the ears of a tripod 1, the ears of a tripod 2 24 individually cast
Afterwards, copper alloy liquid is poured into groove 25 makes the ears of a tripod, ancient cooking vessel body 26 (see Fig. 2) with legs of the tripod cast welding into large-scale bronze pot.
Individually cast using the legs of the tripod, the ears of a tripod during present invention casting, then respectively with ancient cooking vessel body cast welding, both reduced weldering during splicing
The amount of connecing also increases overall structural strength.When ancient cooking vessel body casts, due to mouth diameters it is little, using outer layer sand mold and middle loam core
Layering make again spelling it is integral after cast mode, it is to avoid spell interference during case.Simultaneously using two tundish simultaneously to
The mode poured into a mould in two sprues, the bronze pot excellent surface quality for obtaining.
Claims (5)
1. the casting method of large-scale bronze pot, ancient cooking vessel body bottom three is based oneself upon, the double crect ears of ancient cooking vessel mouth, and opening's edge is micro- to hold back；Using the legs of the tripod, ancient cooking vessel body,
The ears of a tripod individually casts, and during ancient cooking vessel body moulding, oral area is under, bottom-up, outer layer sand mold layering making, it is characterised in that：Concrete step
It is rapid as follows：
1) ancient cooking vessel body is cast,
(1) outer layer sand mold is first made, first according to modelling outer layer sand mold, according to the decorative pattern region on ancient cooking vessel body surface, successively by sand
Type layering makes outer layer sand mold one, two, three, and successively hardens, in the pre-buried legs of the tripod one, two, three for having cast of outer layer；
(2) the running gate system brick for putting shaping successively in the sand mold of sand mold three is made makes ingate, cross gate circle, sprue
First, two；On ancient cooking vessel body arc top, corresponding site determines the position of 3 legs of the tripod, positions with the welding of surrounding sandbox, and legs of the tripod the raised area exceeds
The thickness in ancient cooking vessel body water route；
(3) according to ancient cooking vessel body make in the middle of loam core one, two, three, four, and put successively in the middle of middle loam core built-in sandbox one, two,
3rd, four, five, six, seven；It is easy to case of unpacking and spell；
2) case is spelled,
(1) outer layer sand mold one is first spelled, then loam core one, two, three in the middle of spelling successively, coke is filled out in the middle of built-in sandbox one-seven, then
Loam core four in the middle of spelling；Back-up sand and consolidation of pounding at every layer of die joint；
(2) spell outer layer sand mold two, three successively again, constitute ancient cooking vessel body die cavity；
(3) pour into a mould from sprue one, two, Jing cross gate circles, ingate, inject die cavity, the legs of the tripod is integral with ancient cooking vessel body cast welding；
3) in the reserved ears of a tripod cast welding groove in ancient cooking vessel body oral area flange relevant position, the ears of a tripod individually after casting, pours into copper conjunction in groove
Golden liquid makes the ears of a tripod, the legs of the tripod and the cast welding of ancient cooking vessel body into large-scale bronze pot.
2. the casting method of large-scale bronze pot according to claim 1, it is characterised in that：In step 2) (3) cast legs of the tripod
During with ancient cooking vessel body, by the way of ladle combined casting in the middle of two.Copper alloy liquid is come out of the stove successively to two casting ladles from electric furnace；By control
The temperature difference of copper alloy during the length of inflated with nitrogen time is to control two casting ladles in bag.
3. the casting method of large-scale bronze pot according to claim 1, it is characterised in that：Step 2) (3) ancient cooking vessel body cast
System is teeming rain type, and all using the running gate system brick of shaping.
4. the casting method of large-scale bronze pot according to claim 1, it is characterised in that：In step 2) in (3), copper alloy
Flowed into cross gate circle by double sprues one, two, then die cavity is injected from ingate.
5. large-scale bronze pot casting method according to claim 2, it is characterised in that：In step 2) in (3), copper alloy
At 1260 DEG C～1280 DEG C, pouring temperature is controlled at 1110 DEG C～1130 DEG C for tapping temperature control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728552.3A CN106623807B (en) | 2016-08-25 | 2016-08-25 | The casting method of large-scale bronze pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610728552.3A CN106623807B (en) | 2016-08-25 | 2016-08-25 | The casting method of large-scale bronze pot |
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| Publication Number | Publication Date |
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| CN106623807A true CN106623807A (en) | 2017-05-10 |
| CN106623807B CN106623807B (en) | 2018-06-05 |
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ID=58851878
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610728552.3A Active CN106623807B (en) | 2016-08-25 | 2016-08-25 | The casting method of large-scale bronze pot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483077A (en) * | 2018-12-19 | 2019-03-19 | 芜湖泓鹄材料技术有限公司 | The production method of ancient cooking vessel shape craftwork |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030102100A1 (en) * | 2000-03-27 | 2003-06-05 | Heiko Voigt | Method for the uphill casting of cast pieces in sand dies with controlled solidification |
| CN104259385A (en) * | 2014-10-14 | 2015-01-07 | 赵占水 | Method for manufacturing Chinese pots with precoated sand technology |
| CN104550730A (en) * | 2014-11-14 | 2015-04-29 | 江西桐青金属工艺品有限公司 | Gypsum mould casting process |
| CN104741524A (en) * | 2013-12-26 | 2015-07-01 | 青岛玉光精铸厂 | Semipermanent mold method casting process of tin bronze bushing |
| CN104985127A (en) * | 2015-07-22 | 2015-10-21 | 湖北亚钢金属制造有限公司 | Efficient multipart multilayer stacked pouring system and technology |
-
2016
- 2016-08-25 CN CN201610728552.3A patent/CN106623807B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030102100A1 (en) * | 2000-03-27 | 2003-06-05 | Heiko Voigt | Method for the uphill casting of cast pieces in sand dies with controlled solidification |
| CN104741524A (en) * | 2013-12-26 | 2015-07-01 | 青岛玉光精铸厂 | Semipermanent mold method casting process of tin bronze bushing |
| CN104259385A (en) * | 2014-10-14 | 2015-01-07 | 赵占水 | Method for manufacturing Chinese pots with precoated sand technology |
| CN104550730A (en) * | 2014-11-14 | 2015-04-29 | 江西桐青金属工艺品有限公司 | Gypsum mould casting process |
| CN104985127A (en) * | 2015-07-22 | 2015-10-21 | 湖北亚钢金属制造有限公司 | Efficient multipart multilayer stacked pouring system and technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109483077A (en) * | 2018-12-19 | 2019-03-19 | 芜湖泓鹄材料技术有限公司 | The production method of ancient cooking vessel shape craftwork |
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| CN106623807B (en) | 2018-06-05 |
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