CN109351919B - Iron mold with pouring cup and casting method thereof - Google Patents
Iron mold with pouring cup and casting method thereof Download PDFInfo
- Publication number
- CN109351919B CN109351919B CN201811524529.8A CN201811524529A CN109351919B CN 109351919 B CN109351919 B CN 109351919B CN 201811524529 A CN201811524529 A CN 201811524529A CN 109351919 B CN109351919 B CN 109351919B
- Authority
- CN
- China
- Prior art keywords
- pouring cup
- pouring
- iron
- coating layer
- sand coating
- 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.)
- Active
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 228
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 114
- 238000005266 casting Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 65
- 239000011247 coating layer Substances 0.000 claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/068—Semi-permanent moulds
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
- Table Devices Or Equipment (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses an iron mold with a pouring cup and a casting method thereof, comprising an upper iron mold body and a lower iron mold body which are matched with each other, wherein an upper cavity is arranged in the upper iron mold body, a pouring gate is arranged on the upper iron mold body, a funnel-shaped pouring cup is arranged on the pouring gate, a first sand coating layer is arranged on the inner walls of the upper cavity and the pouring gate, a second sand coating layer is arranged on the inner walls of the pouring cup, and a pouring cup movable block is arranged in the pouring cup; a lower cavity is arranged in the lower iron mold body, and a third sand coating layer matched with the first sand coating layer is arranged in the lower cavity; and a die cavity is formed between the first sand coating layer and the third sand coating layer. According to the pouring cup, the pouring cup is arranged on the upper iron-type body, so that the steps of pouring cup discharging and pouring cup shoveling during casting are omitted, the production process is simplified, the production cost is saved, and the product percent of pass is improved.
Description
Technical Field
The invention relates to the field of casting process equipment, in particular to an iron mold with a pouring cup and a casting method thereof.
Background
The sand-coated iron mold casting is one of special casting, and the casting mold is formed by coating a thin layer of coated sand on the inner cavity of the metal mold. Iron type sand coating die tooling generally includes: upper iron type, lower iron type, mold, pouring cup, etc. The main production process of the sand-lined iron mold casting is as follows: the upper iron mold and the lower iron mold are combined to form a casting mold after sand-lined molding, and then a pouring cup which is manufactured additionally is placed on the casting mold; pouring molten iron into a casting mold from a pouring cup, and shoveling the pouring cup and the molten iron in the pouring cup when the molten iron is not completely solidified, so that a casting can be taken out from the casting mold; and when the molten iron is completely solidified and reaches the unpacking temperature, the upper iron mold and the lower iron mold are unpacked, and then the casting is taken out. The production process needs to additionally manufacture a pouring cup, and a procedure of pouring the pouring cup and shoveling the pouring cup is needed; the pouring cup is generally stuck on the casting mould by glue, and the molten iron is easy to break sand at the joint part in the pouring process, so that the produced casting has the defects of sand holes and the like; the ladle pouring cup must be shoveled off when the molten iron is not completely solidified, the opportunity is not well known, the molten iron is not solidified if the ladle pouring cup is too early, so that molten iron flows to the back of the iron mold, the molten iron is completely solidified if the ladle pouring cup is too late, and the casting cannot be taken out from the mold.
Disclosure of Invention
The invention aims to provide an iron mold with a pouring cup and a casting method thereof. According to the pouring cup, the pouring cup is arranged on the upper iron-type body, so that the steps of pouring cup discharging and pouring cup shoveling during casting are omitted, the production process is simplified, the production cost is saved, and the product percent of pass is improved.
The technical scheme of the invention is as follows: the iron mold with the pouring cup comprises an upper iron mold body and a lower iron mold body which are matched with each other, wherein an upper cavity is formed in the upper iron mold body, a pouring gate is formed in the upper iron mold body, a funnel-shaped pouring cup is arranged on the pouring gate, a first sand coating layer is arranged on the inner walls of the upper cavity and the pouring gate, a second sand coating layer is arranged on the inner wall of the pouring cup, and a pouring cup movable block is arranged in the pouring cup; a lower cavity is arranged in the lower iron mold body, and a third sand coating layer matched with the first sand coating layer is arranged in the lower cavity; and a die cavity is formed between the first sand coating layer and the third sand coating layer.
In the iron mold with the pouring cup, the second sand coating layer and the first sand coating layer are connected into a whole.
In the iron mold with the pouring cup, the pouring cup loose piece is funnel-shaped, and the diameter of the bottom is smaller than that of the top; the bottom of the pouring cup loose piece is provided with a round table.
In the iron mold with the pouring cup, the maximum diameter of the upper opening of the movable block of the pouring cup is smaller than the minimum inner diameter of the pouring opening.
In the iron mold with the pouring cup, the maximum diameter of the upper opening of the movable block of the pouring cup is smaller than the minimum inner diameter of the pouring opening.
The casting method of the iron mold with the pouring cup comprises the following steps:
step 1: closing the heated upper iron mold body, the heated lower iron mold body and the heated mold, and placing the pouring cup loose piece at the center of the inner cavity of the pouring cup to ensure that a round table at the bottom of the pouring cup loose piece is contacted with the mold;
Step 2, filling precoated sand into gaps among the upper iron mold body and the mold, the upper iron mold body and the pouring cup loose piece, and the lower iron mold body and the mold, and forming a first sand coating layer, a second sand coating layer and a third sand coating layer after the precoated sand is heated and solidified;
Step 3: opening the upper iron type body and the model, taking out the pouring cup loose piece together by the upper iron type body, and taking out the pouring cup loose piece from the upper iron type body;
step 4: the upper iron type body and the lower iron type body are combined, molten iron is poured into a pouring cup on the upper iron type body, and molten iron is poured into a die cavity;
step 5: and after the molten iron is cooled and solidified, opening the upper iron mold body and the lower iron mold body, and taking out the casting.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the pouring cup is arranged on the upper iron-type body, so that the steps of placing the pouring cup and shoveling the pouring cup during casting are eliminated, the production process is simplified, the production cost is saved, and the product percent of pass is improved.
2. When the sand is coated on the upper cavity in the upper iron mold body, the second sand coating layer on the inner wall of the pouring cup is connected with the upper cavity and the first sand coating layer on the inner wall of the pouring opening, so that no gap exists between the pouring cup and the upper iron mold body, casting defects such as sand holes generated by pouring the pouring cup are effectively avoided, and the product qualification rate is improved.
3. According to the invention, the movable block of the pouring cup is arranged in the pouring cup, so that sand coating is conveniently carried out on the inner wall of the pouring cup to form a second sand coating layer, wherein the bottom of the pouring cup is provided with the round table, the diameter of the bottom of the round table is smaller than that of the top of the round table, the movable block of the pouring cup is used for positioning on a model, and the maximum inner diameter of the upper opening of the movable block of the pouring cup is smaller than the minimum inner diameter of the pouring opening, so that molten iron can be taken out after solidification.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the present invention in a compound sand state;
FIG. 3 is an assembled schematic view of the upper iron-type body;
fig. 4 is a schematic view of the structure of the pouring cup loose piece.
1-A top iron type body; 2-a lower iron type body; 3-an upper cavity; 4-pouring gate; 5-pouring cup; 6-a first sand coating layer; 7-pouring cup loose pieces; 8-a second sand coating layer; 9-a lower cavity; 10-a third sand coating layer; 11-round table.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not intended to be limiting.
Examples: the utility model provides a from iron mold of taking pouring cup and casting method thereof, as shown in fig. 1-4, including the last iron mold body 1 and the lower iron mold body 2 of mutually supporting, be equipped with upper cavity 3 in the last iron mold body 1, be equipped with pouring gate 4 on the last iron mold body 1, be equipped with funnel-shaped pouring cup 5 on the pouring gate 4, be equipped with first sand coating 6 on the inner wall of upper cavity 3 and pouring gate 4, be equipped with second sand coating 8 on the inner wall of pouring cup 5, when covering sand in upward iron mold body 1, second sand coating 8 on the inner wall of pouring cup 5 and the first sand coating 6 in the last iron mold body 1 are integrated into one piece for there is not the gap between pouring cup 5 and the last iron mold body 1, has avoided effectively because of putting pouring cup 5 production's sand eye etc. casting defect, has improved the product percent of pass. A pouring cup loose piece 7 is arranged in the pouring cup 5; the pouring cup loose piece 7 is funnel-shaped, and the diameter of the bottom is smaller than that of the top; as shown in fig. 4, the bottom end of the pouring cup loose piece 7 is provided with a round table 11; the pouring cup movable block 7 is placed on the model for positioning; the maximum inner diameter of the upper opening of the pouring cup loose piece 7 is smaller than the minimum inner diameter of the pouring opening 4; the maximum inner diameter of the upper opening of the second sand coating layer 8 of the pouring cup 5 is smaller than the minimum inner diameter of the pouring opening; ensuring that molten iron can be taken out after solidification; a lower cavity 9 is arranged in the lower iron mold body 2, and a third sand coating layer 10 matched with the first sand coating layer 6 is arranged in the lower cavity 9; a mold cavity is formed between the first sand layer 6 and the third sand layer 10.
The casting method of the iron mold with the pouring cup comprises the following steps:
step 1: closing the heated upper iron mold body, the heated lower iron mold body and the heated mold, and placing the pouring cup loose piece at the center of the inner cavity of the pouring cup to ensure that a round table at the bottom of the pouring cup loose piece is contacted with the mold;
Step 2, filling precoated sand into gaps among the upper iron mold body and the mold, the upper iron mold body and the pouring cup loose piece, and the lower iron mold body and the mold, and forming a first sand coating layer, a second sand coating layer and a third sand coating layer after the precoated sand is heated and solidified;
Step 3: opening the upper iron type body and the model, taking out the pouring cup loose piece together by the upper iron type body, and taking out the pouring cup loose piece from the upper iron type body;
step 4: the upper iron type body and the lower iron type body are combined, molten iron is poured into a pouring cup on the upper iron type body, and molten iron is poured into a die cavity;
step 5: and after the molten iron is cooled and solidified, opening the upper iron mold body and the lower iron mold body, and taking out the casting.
Claims (1)
1. From iron type of taking pouring cup, including last iron type body (1) and lower iron type body (2) of mutually supporting, its characterized in that: an upper cavity (3) is formed in the upper iron mold body (1), a pouring gate (4) is formed in the upper iron mold body (1), a funnel-shaped pouring cup (5) is arranged on the pouring gate (4), a first sand coating layer (6) is arranged on the inner walls of the upper cavity (3) and the pouring gate (4), a second sand coating layer (8) is arranged on the inner wall of the pouring cup (5), and a pouring cup movable block (7) is arranged in the pouring cup (5); a lower cavity (9) is formed in the lower iron mold body (2), and a third sand coating layer (10) matched with the first sand coating layer (6) is arranged in the lower cavity (9); a die cavity is formed between the first sand coating layer (6) and the third sand coating layer (10); the pouring cup loose piece (7) is funnel-shaped, and the diameter of the bottom is smaller than that of the top; the bottom end of the pouring cup movable block (7) is provided with a round table (11) for positioning the pouring cup movable block (7) on the model; the maximum inner diameter of the upper opening of the second sand coating layer (8) of the pouring cup (5) is smaller than the minimum inner diameter of the pouring opening; the maximum diameter of the upper opening of the pouring cup loose piece (7) is smaller than the minimum inner diameter of the pouring opening (4);
The casting method of the iron mold with the pouring cup comprises the following steps:
step 1: closing the heated upper iron mold body, the heated lower iron mold body and the heated mold, and placing the pouring cup loose piece at the center of the inner cavity of the pouring cup to ensure that a round table at the bottom of the pouring cup loose piece is contacted with the mold;
Step 2: the method comprises the steps that precoated sand is filled in gaps among an upward iron mold body and a mold, an upward iron mold body and a pouring cup movable block, and a downward iron mold body and the mold, and a first sand coating layer, a second sand coating layer and a third sand coating layer are respectively formed after the precoated sand is heated and solidified;
Step 3: opening the upper iron type body and the model, taking out the pouring cup loose piece together by the upper iron type body, and taking out the pouring cup loose piece from the upper iron type body;
step 4: the upper iron type body and the lower iron type body are combined, molten iron is poured into a pouring cup on the upper iron type body, and molten iron is poured into a die cavity;
Step 5: after the molten iron is cooled and solidified, opening the upper iron mold body and the lower iron mold body, and taking out the casting;
the pouring cup is arranged on the upper iron type body, so that the steps of pouring the pouring cup and shoveling the pouring cup during casting are eliminated; when sand is coated on the upper cavity in the upper iron mold body, the second sand coating layer on the inner wall of the pouring cup is connected with the upper cavity and the first sand coating layer on the inner wall of the pouring opening into a whole, so that no gap exists between the pouring cup and the upper iron mold body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524529.8A CN109351919B (en) | 2018-12-13 | 2018-12-13 | Iron mold with pouring cup and casting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524529.8A CN109351919B (en) | 2018-12-13 | 2018-12-13 | Iron mold with pouring cup and casting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109351919A CN109351919A (en) | 2019-02-19 |
| CN109351919B true CN109351919B (en) | 2024-08-09 |
Family
ID=65328649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811524529.8A Active CN109351919B (en) | 2018-12-13 | 2018-12-13 | Iron mold with pouring cup and casting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109351919B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117600435A (en) * | 2024-01-17 | 2024-02-27 | 山西东鑫衡隆机械制造股份有限公司 | Crack elimination method for cast iron mold |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209206378U (en) * | 2018-12-13 | 2019-08-06 | 浙江省机电设计研究院有限公司 | The swage of included sprue cup |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05277698A (en) * | 1992-04-02 | 1993-10-26 | Hitachi Metals Ltd | Vacuum casting method |
| JPH05277699A (en) * | 1992-04-02 | 1993-10-26 | Hitachi Metals Ltd | Method for casting thin casting |
| CN104226916B (en) * | 2014-09-26 | 2017-02-15 | 衡阳中钢衡重铸锻有限公司 | Casting method of slag ladle and casting mold |
| CN106734917A (en) * | 2016-11-30 | 2017-05-31 | 邢振国 | A kind of iron sand shell moulded casting method |
-
2018
- 2018-12-13 CN CN201811524529.8A patent/CN109351919B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209206378U (en) * | 2018-12-13 | 2019-08-06 | 浙江省机电设计研究院有限公司 | The swage of included sprue cup |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109351919A (en) | 2019-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103586413B (en) | A kind of casting method of multi-cavity structural part | |
| CN106825407B (en) | A kind of sand mold manufacture component and casting method | |
| CN107363224B (en) | Casting system and method of casting | |
| CN103978156B (en) | A kind of method controlling investment-casting solidification and cooling | |
| CN202894216U (en) | Casting tooling for large-size and complicated framework type titanium alloy thin wall castings | |
| US4453588A (en) | Combination mold and selector device for casting single crystal objects | |
| CN108393438B (en) | Process device and production method for iron-type sand-coated vertically split casting bearing cap castings | |
| CN207533933U (en) | A kind of high-quality casting device of founding materials processing | |
| CN110125331A (en) | A kind of shape casting technique of casting complicated inner cavity | |
| CN102259164A (en) | System and method for pouring flywheel of automobile | |
| CN109351919B (en) | Iron mold with pouring cup and casting method thereof | |
| CN112605342A (en) | Forming method of small-sized thin-wall stainless steel casting with complex cavity | |
| CN110640085A (en) | Investment casting process for hollow casting | |
| CN204413064U (en) | A kind of oil drilling pump crosshead die | |
| CN209206378U (en) | The swage of included sprue cup | |
| CN103159575B (en) | Technological cover and application method thereof | |
| CN105382240A (en) | Precision casting process for thin-wall aluminum alloy casting | |
| CN111408689B (en) | Bucket tooth shell mold casting method | |
| CN108160936A (en) | A kind of small-sized volute casting mould and casting method | |
| CN210523765U (en) | Crystallizer for steel claw | |
| JP5729642B2 (en) | Columnar ingot casting equipment | |
| CN207239067U (en) | A kind of unidirectional solidification mould of electroslag remelting electrode billet | |
| CN110805720B (en) | Gate valve body produced in batch by lost foam process and production method thereof | |
| CN205684666U (en) | A kind of parison mold mould of precast | |
| CN110216240A (en) | A kind of petroleum preventer double disc Shell Manufacture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |