CN113145795A - Cold core manufacturing mold and cold core sand mold manufactured by same - Google Patents
Cold core manufacturing mold and cold core sand mold manufactured by same Download PDFInfo
- Publication number
- CN113145795A CN113145795A CN202110489619.3A CN202110489619A CN113145795A CN 113145795 A CN113145795 A CN 113145795A CN 202110489619 A CN202110489619 A CN 202110489619A CN 113145795 A CN113145795 A CN 113145795A
- Authority
- CN
- China
- Prior art keywords
- cold core
- mold
- ejector rod
- holes
- sand mold
- 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
- 239000004576 sand Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 238000005266 casting Methods 0.000 abstract description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002026 carminative effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/06—Core boxes
-
- 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
Abstract
The invention provides a cold core manufacturing die and a cold core sand die manufactured by the same, which comprise a die body, wherein a plurality of exhaust holes and a plurality of ejector rod holes are processed in the die body; bosses are processed at the positions of the exhaust holes and the ejector rod holes on the parting surface of the die body; the top ends of the plurality of exhaust holes are provided with exhaust plugs; after the sand mold is ejected out of the mold body by the ejector rod in the molding process, a plurality of grooves in one-to-one correspondence with the bosses are formed on the parting surface of the sand mold, so that burrs generated by the vent plug and the ejector rod are avoided from the parting surface of the mold closing at the bottom of the grooves, the influence on the matching of the sand mold due to the fact that the burrs are not removed is avoided, and the quality of castings is improved.
Description
Technical Field
The invention relates to the technical field of cold core manufacturing, in particular to a cold core manufacturing mold and a cold core sand mold manufactured by the same.
Background
The cold box method production line has the advantages of high production efficiency, energy conservation, high surface quality, good collapsibility and relatively low production cost, and becomes the first choice for mass production enterprises to save cost and improve efficiency.
In the cold core box production, triethylamine is blown into a catalyst to serve as a curing means, heating is not needed, and compared with a common hot core box needing heating, burrs generated at an exhaust plug and an ejector rod on a cold core sand mold are not easy to detect and clear, the matching of the cold core sand mold is influenced, the quality of a casting is further influenced, the rejection rate is increased, and the company cost is increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a cold core manufacturing mold and a cold core sand mold manufactured by the same. The technical scheme adopted by the invention is as follows:
a cold core manufacturing die comprises a die body, wherein a plurality of exhaust holes and a plurality of ejector rod holes are processed in the die body;
bosses are processed at the positions of the exhaust holes and the ejector rod holes on the parting surface of the die body;
and the top ends of the plurality of exhaust holes are provided with exhaust plugs.
Further, the boss is a circular boss with the diameter of 20mm and the height of 1mm or a square boss with the side length of 20mm and the height of 1 mm.
Further, the exhaust holes and the ejector rod holes penetrate through the die body and the boss along the vertical direction.
A cold core sand mould for manufacturing a cold core manufacturing mould is characterized in that a plurality of grooves corresponding to bosses one by one are formed on the parting surface of the sand mould in the forming process of the sand mould.
Further, the groove is a circular groove with the diameter of 20mm and the height of 1mm or a square groove with the side length of 20mm and the height of 1 mm.
The invention has the advantages that:
1) this fashioned psammitolite of cold core manufacturing mould forms a plurality of recess on the sand mould die joint, makes the burr that produces by core vent and ejector pin on the sand mould at the recess bottom, avoids the compound die joint, avoids not getting rid of because of the burr and influences the sand mould cooperation and improve the foundry goods quality.
Drawings
Fig. 1 is a schematic structural diagram of a cold core manufacturing mold and a cold core sand mold manufactured by the cold core manufacturing mold in an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and 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.
As shown in fig. 1, a cold core manufacturing mold provided by the embodiment of the present invention includes a mold body 1, wherein a plurality of exhaust holes 2 and a plurality of ejector rod holes 3 are processed in the mold body 1; bosses 4 are respectively machined at the positions of the exhaust holes 2 and the ejector rod holes 3 on the mould parting surface 101 of the mould body 1; a plurality of 2 tops in exhaust hole all are equipped with core vent 5, and the molding sand is avoided spilling when carminative.
Specifically, the boss 4 is a circular boss with a diameter of 20mm and a height of 1mm or a square boss with a side length of 20mm and a height of 1 mm.
The invention also provides a cold core sand mold manufactured by the cold core manufacturing mold, wherein a plurality of grooves 7 which are in one-to-one correspondence with the bosses 4 are formed on the parting surface 601 of the sand mold in the molding process of the sand mold 6, the grooves 7 are circular grooves with the diameter of 20mm and the height of 1mm or square grooves with the side length of 20mm and the height of 1mm, so that burrs of the vent plug and the ejector rod are generated at the bottom of the grooves, the parting mold closing surface is avoided, the influence on the matching of the sand mold due to the fact that the burrs are not removed is avoided, and the casting quality is improved.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (5)
1. The cold core manufacturing die is characterized by comprising a die body (1), wherein a plurality of exhaust holes (2) and a plurality of ejector rod holes (3) are processed in the die body (1);
bosses (4) are machined in the positions of the exhaust holes (2) and the ejector rod holes (3) on the die parting surface (101) of the die body (1);
the top ends of the plurality of exhaust holes (2) are provided with exhaust plugs (5).
2. The cold core manufacturing mold of claim 1,
the boss (4) is a round boss with the diameter of 20mm and the height of 1mm or a square boss with the side length of 20mm and the height of 1 mm.
3. The cold core manufacturing mold of claim 1,
the exhaust holes (2) and the ejector rod holes (3) penetrate through the die body (1) and the boss (4) in the vertical direction.
4. A cold core sand mold manufactured by the cold core manufacturing mold according to any one of claims 1 to 3,
in the molding process of the sand mold (6), a plurality of grooves (7) which are in one-to-one correspondence with the bosses (4) are formed on the parting surface (601) of the sand mold.
5. A chill as claimed in claim 4, wherein,
the groove (7) is a circular groove with the diameter of 20mm and the height of 1mm or a square groove with the side length of 20mm and the height of 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110489619.3A CN113145795A (en) | 2021-05-06 | 2021-05-06 | Cold core manufacturing mold and cold core sand mold manufactured by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110489619.3A CN113145795A (en) | 2021-05-06 | 2021-05-06 | Cold core manufacturing mold and cold core sand mold manufactured by same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113145795A true CN113145795A (en) | 2021-07-23 |
Family
ID=76873329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110489619.3A Pending CN113145795A (en) | 2021-05-06 | 2021-05-06 | Cold core manufacturing mold and cold core sand mold manufactured by same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113145795A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128914A (en) * | 2011-11-24 | 2013-06-05 | 深圳市兆威机电有限公司 | Method and mold for removing influences by burs on ejector pin position |
| CN106424592A (en) * | 2016-11-01 | 2017-02-22 | 华东泰克西汽车铸造有限公司 | Horizontal parting fine oil duct core manufacturing device |
| CN208728641U (en) * | 2018-08-24 | 2019-04-12 | 上海纳特汽车标准件有限公司 | One kind pouring mold sealing structure |
| CN113210570A (en) * | 2021-04-09 | 2021-08-06 | 广东鸿特精密技术（台山）有限公司 | Die for improving burrs of blank positioning holes |
-
2021
- 2021-05-06 CN CN202110489619.3A patent/CN113145795A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128914A (en) * | 2011-11-24 | 2013-06-05 | 深圳市兆威机电有限公司 | Method and mold for removing influences by burs on ejector pin position |
| CN106424592A (en) * | 2016-11-01 | 2017-02-22 | 华东泰克西汽车铸造有限公司 | Horizontal parting fine oil duct core manufacturing device |
| CN208728641U (en) * | 2018-08-24 | 2019-04-12 | 上海纳特汽车标准件有限公司 | One kind pouring mold sealing structure |
| CN113210570A (en) * | 2021-04-09 | 2021-08-06 | 广东鸿特精密技术（台山）有限公司 | Die for improving burrs of blank positioning holes |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210723 |
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| RJ01 | Rejection of invention patent application after publication |