CN110883316A - In-vitro pouring conformal sand box and manufacturing method thereof - Google Patents
In-vitro pouring conformal sand box and manufacturing method thereof Download PDFInfo
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- CN110883316A CN110883316A CN201911236144.6A CN201911236144A CN110883316A CN 110883316 A CN110883316 A CN 110883316A CN 201911236144 A CN201911236144 A CN 201911236144A CN 110883316 A CN110883316 A CN 110883316A
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- cavity
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- 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
- B22C21/00—Flasks; Accessories therefor
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- 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
Abstract
The invention discloses an in-vitro pouring sand box and a manufacturing method thereof. The in-vitro pouring sand following box comprises: the sand box, the pouring channel and the pouring cup; the pouring channel is independently connected outside the sand box, and the pouring cup is connected above the pouring channel. This external pouring's sand box of following shape reasonable in design adopts the mode of external pouring, need not build the gap bridge for the pouring is more convenient, has reduced the risk of pouring.
Description
Technical Field
The invention relates to the technical field of sand boxes, in particular to an in-vitro pouring sand box and a manufacturing method thereof.
Background
At present, large-scale wind power and offshore wind power become development trends in the future, but the 8MW wind power rotating shaft has the following problems in production:
firstly, the method comprises the following steps: limitations of plant production equipment; at present, when a rotating shaft is produced, a gap bridge is required to be added to complete pouring operation, the installation is inconvenient, and the gap bridge is suspended in the air, so that great potential safety hazards exist;
II, secondly: a large amount of molding sand is needed to complete the pouring, and the cost is high.
Disclosure of Invention
In view of the defects and shortcomings, the invention provides an in-vitro pouring sand-following box and a manufacturing method thereof, which are used for solving the problems of inconvenient operation and potential safety hazard caused by the existing bridge construction.
The invention provides a sand box assembly for in-vitro pouring of a large wind power rotating shaft, which comprises a shaft body and a flange plate arranged at the lower part of the shaft body and outwards facing in the radial direction, wherein the sand box assembly comprises:
the casting device comprises a sand box, a mould cavity and a mould core, wherein the sand box is internally provided with a mould cavity matched with a part to be cast, the upper part of the mould cavity is provided with a riser, and the lower wall body of the sand box is provided with at least two interfaces communicated with the bottom of the mould cavity;
the pouring channels are arranged outside the sand box independently, the bottom ends of the pouring channels are arranged on the ground, pouring cup bodies are arranged at the upper ends of the pouring channels, and the lower portions of the pouring channels are communicated with the corresponding interfaces.
Preferably, the sand box is of a rotary structure and comprises a shaft body forming box body and a flange forming box body, and the flange forming box body comprises an upper box body and a lower box body; a first cavity for forming the shape of the lower part of the flange is arranged in the lower box body, and the interface is communicated with the first cavity; the upper box body is provided with a second cavity for forming the shape of the upper part of the flange and the lower part of the shaft body, the lower part of the upper box body covers the upper part of the lower box body, and the second cavity is communicated with the first cavity in a butt joint manner; the shaft body forming box body is provided with a third cavity for forming the upper part of the shaft body, the lower part of the shaft body forming box body is buckled on the upper box body, and the third cavity is communicated with the second cavity in a butt joint mode.
Preferably, the pouring channel comprises: the butt joint flow channel is arranged at the lower part of the vertical flow channel, one end of the butt joint flow channel is communicated with the vertical flow channel, and the other end of the butt joint flow channel is communicated with the interface.
Furthermore, the number of the interfaces is two, and the interfaces are symmetrically arranged on two sides of the lower box body.
Further, the vertical runner, the butt-joint runner and the runner in the sand box are the same in shape and size.
Preferably, the pouring cup is oval, a pouring gate is arranged at the upper part of one end of the oval long shaft, and an opening is formed at one end of the bottom of the other end of the oval long shaft.
Furthermore, a baffle plate which can block the upper part of the inner cavity of the pouring cup and is communicated with the lower part is arranged between the pouring gate and the opening.
The invention also provides a manufacturing method of the large-scale wind power rotating shaft sand box assembly, wherein the wind power rotating shaft comprises a shaft body and a flange plate which is arranged at the lower part of the shaft body and outwards extends along the radial direction, and the manufacturing method comprises the following steps:
manufacturing a lower box body, manufacturing a first cavity for forming the shape of the lower part of the flange plate in the lower box body, and manufacturing at least two interfaces capable of communicating the first cavity with an external pouring channel;
manufacturing an upper box body, manufacturing and molding a second cavity on the upper box body, wherein the shape of the upper part of the flange plate and the lower part of the shaft body are formed, the lower part of the upper box body covers the upper part of the lower box body, and the second cavity is communicated with the first cavity in a butt joint manner;
manufacturing a shaft body forming box body, manufacturing a third cavity on the upper part of the shaft body, arranging a riser communicated with the third cavity on the upper part of the shaft body forming box body, buckling the lower part of the shaft body forming box body on the upper box body, and enabling the third cavity to be communicated with the second cavity in a butt joint mode;
manufacturing external pouring channels matched with the connectors in number, arranging pouring cups at the upper ends of the pouring channels, installing the pouring channels on the ground, and communicating and fixing the lower parts of the pouring channels and the corresponding connectors.
Preferably, the sand core is pounded during the process of forming the first cavity, the second cavity and the third cavity.
Preferably, the pouring cup is oval, a pouring gate is arranged at the upper part of one end of the oval long shaft, and an opening is formed at one end of the bottom of the other end of the oval long shaft.
This external pouring's sand box of following shape reasonable in design adopts the mode of external pouring, need not build the gap bridge for the pouring is more convenient, has reduced the risk of pouring.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a drag flask for over-casting a body;
FIG. 2 is a top view of the drag flask cast out of the body.
Description of the element reference numerals
100 pouring cup
101 pouring gate
102 baffle plate
103 opening
200 pouring channel
201 vertical flow channel
202 butt joint flow passage
300 interface
400 sand box
401 axle body forming box body
402 upper box body
403 lower box body
500 riser
600 die cavity
601 first cavity
602 second cavity
603 third cavity
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1-2, the present invention provides a sand box assembly for external casting of a large wind power rotating shaft, the wind power rotating shaft includes a shaft body and a flange plate arranged at the lower part of the shaft body and outward along the radial direction, the sand box assembly includes: the casting device comprises a sand box 400, a pouring channel 200 and a pouring cup 100, wherein a cavity 600 matched with a part to be poured is arranged in the sand box 400, a riser 500 is arranged at the upper part of the cavity 600, two connectors 300 communicated with the bottom of the cavity 600 are arranged on the wall body of the lower part of the sand box 400, and the connectors are symmetrically arranged at two sides of the lower part of a lower box body; the number of the pouring channels 200 is the same as that of the connectors, the pouring channels 200 are independently arranged outside the sand box 400, the bottom ends of the pouring channels 200 are arranged on the ground, the pouring cup 100 is arranged at the upper end of the pouring channels 200, and the lower parts of the pouring channels 200 are communicated with the connectors 300 corresponding to the pouring channels.
This external pouring's sand box of following shape reasonable in design adopts the mode of external pouring, need not build the gap bridge for the pouring is more convenient, has reduced the risk of pouring.
The sand box 400 is of a rotary structure, the sand box 400 comprises a shaft body forming box body 401 and a flange forming box body, and the flange forming box body comprises an upper box body 402 and a lower box body 403; a first cavity 601 for forming the shape of the lower part of the flange plate is arranged in the lower box body 403, and the interface 300 is communicated with the first cavity 601; the upper box body 402 is provided with a second cavity 602 for forming the shape of the upper part of the flange and the lower part of the shaft body, the lower part of the upper box body 402 covers the upper part of the lower box body 401, and the second cavity 602 is communicated with the first cavity 601 in a butt joint manner; the shaft body forming box body 401 is provided with a third cavity 603 for forming the upper part of the shaft body, the lower part of the shaft body forming box body 401 is buckled on the upper box body 402, and the third cavity 603 is communicated with the second cavity 602 in a butt joint mode.
The sand box 400 adopts a sectional type rotary structure, so that the volume of the sand box 400 can be reduced, the usage amount of molding sand is reduced, unnecessary waste is avoided, and the cost is reduced.
The pouring channel 200 includes: the connector comprises a vertical runner 201 and a butt joint runner 202, wherein the butt joint runner 202 is arranged at the lower part of the vertical runner 201, one end of the butt joint runner 202 is communicated with the vertical runner 201, and the other end of the butt joint runner 202 is communicated with the connector 300. The vertical runner 201, the butt runner 202, and the runners in the sand box 400 are all the same in shape and size.
The pouring cup 100 is oval, a pouring gate 101 is arranged at the upper part of one end of the oval long axis, and an opening 103 is arranged at one end of the bottom of the other end. In order to prevent the molten iron from sputtering and prevent the molten iron from suddenly flowing into the pipeline to carry unnecessary impurities during pouring, a baffle plate 102 which can block the upper part of the inner cavity of the pouring cup and is communicated with the lower part is arranged between the pouring gate 103 and the opening.
The invention also provides a manufacturing method of the sand box component of the large-scale wind power rotating shaft, the wind power rotating shaft comprises a shaft body and a flange plate which is arranged at the lower part of the shaft body and outwards extends along the radial direction, and the method comprises the following steps:
manufacturing a lower box body 403, manufacturing a first cavity 601 for forming the shape of the lower part of the flange plate in the lower box body 403, and manufacturing two interfaces 300 which can communicate the first cavity 601 with an external pouring channel;
manufacturing an upper box body 402, manufacturing a second cavity 602 on the upper box body 402 for molding the shape of the upper part of the flange plate and the lower part of the shaft body, covering the lower part of the upper box body 402 on the upper part of a lower box body 403, and butting and communicating the second cavity 602 with the first cavity 601;
manufacturing a shaft body forming box body 401, manufacturing a third cavity 603 for forming the upper part of a shaft body on the shaft body forming box body 401, arranging a riser 500 communicated with the third cavity 603 on the upper part of the shaft body forming box body 401, buckling the lower part of the shaft body forming box body 401 on the upper box body 402, and enabling the third cavity 603 to be communicated with the second cavity 602 in a butt joint mode;
manufacturing two external pouring channels 200, arranging the pouring cup 100 at the upper end of the pouring channel 200, installing the pouring channel 200 on the ground, and communicating and fixing the lower part of the pouring channel 200 with the corresponding interface 300.
The sand core is pounded during the process of making the first cavity 601, the second cavity 602 and the third cavity 603.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a sand box subassembly that is used for external pouring of large-scale wind-powered electricity generation pivot, the wind-powered electricity generation pivot includes the axis body and sets up at axis body lower part is at radial outside ring flange, its characterized in that, the sand box subassembly includes:
the casting device comprises a sand box, a mould cavity and a mould core, wherein the sand box is internally provided with a mould cavity matched with a part to be cast, the upper part of the mould cavity is provided with a riser, and the lower wall body of the sand box is provided with at least two interfaces communicated with the bottom of the mould cavity;
the pouring channels are arranged outside the sand box independently, the bottom ends of the pouring channels are arranged on the ground, pouring cup bodies are arranged at the upper ends of the pouring channels, and the lower portions of the pouring channels are communicated with the corresponding interfaces.
2. The flask assembly of claim 1 wherein: the sand box is of a rotary structure and comprises a shaft body forming box body and a flange forming box body, and the flange forming box body comprises an upper box body and a lower box body;
a first cavity for forming the shape of the lower part of the flange is arranged in the lower box body, and the interface is communicated with the first cavity;
the upper box body is provided with a second cavity for forming the shape of the upper part of the flange and the lower part of the shaft body, the lower part of the upper box body covers the upper part of the lower box body, and the second cavity is communicated with the first cavity in a butt joint manner;
the shaft body forming box body is provided with a third cavity for forming the upper part of the shaft body, the lower part of the shaft body forming box body is buckled on the upper box body, and the third cavity is communicated with the second cavity in a butt joint mode.
3. The mold-in-mold flask assembly of claim 1, wherein: the pouring channel comprises: the butt joint flow channel is arranged at the lower part of the vertical flow channel, one end of the butt joint flow channel is communicated with the vertical flow channel, and the other end of the butt joint flow channel is communicated with the interface.
4. The mold-in-mold flask assembly of claim 2, wherein: the two connectors are symmetrically arranged on two sides of the lower box body.
5. The outside-poured flask assembly of claim 3 wherein said vertical flow channels, butt flow channels, and flow channels in said flask are all the same shape and size.
6. The mold-in-mold flask assembly of claim 1, wherein said pouring cup is oval in shape, and has a pouring opening at one end along the major axis of said oval and an opening at the other end at the bottom.
7. The exterior-cast flask assembly of claim 6 wherein a baffle plate is disposed between said sprue gate and said opening to obstruct upper and lower portions of said sprue cup interior chamber.
8. A manufacturing method of a large wind power rotating shaft sand box assembly is provided, wherein the wind power rotating shaft comprises a shaft body and a flange plate which is arranged at the lower part of the shaft body and outwards extends in the radial direction, and the manufacturing method is characterized by comprising the following steps:
manufacturing a lower box body, manufacturing a first cavity for forming the shape of the lower part of the flange plate in the lower box body, and manufacturing at least two interfaces capable of communicating the first cavity with an external pouring channel;
manufacturing an upper box body, manufacturing and molding a second cavity on the upper box body, wherein the shape of the upper part of the flange plate and the lower part of the shaft body are formed, the lower part of the upper box body covers the upper part of the lower box body, and the second cavity is communicated with the first cavity in a butt joint manner;
manufacturing a shaft body forming box body, manufacturing a third cavity on the upper part of the shaft body, arranging a riser communicated with the third cavity on the upper part of the shaft body forming box body, buckling the lower part of the shaft body forming box body on the upper box body, and enabling the third cavity to be communicated with the second cavity in a butt joint mode;
manufacturing external pouring channels matched with the connectors in number, arranging pouring cups at the upper ends of the pouring channels, installing the pouring channels on the ground, and communicating and fixing the lower parts of the pouring channels and the corresponding connectors.
9. The method for manufacturing the sand box assembly of the large wind power rotating shaft according to claim 8,
and pounding the sand mud cores to be compact in the process of manufacturing the first cavity, the second cavity and the third cavity.
10. The method for manufacturing the sand box assembly of the large wind power rotating shaft according to claim 8, wherein the pouring cup is oval, a pouring gate is arranged at the upper part of one end of the oval long shaft, and an opening is arranged at one end of the bottom of the other end of the oval long shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911236144.6A CN110883316A (en) | 2019-12-05 | 2019-12-05 | In-vitro pouring conformal sand box and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911236144.6A CN110883316A (en) | 2019-12-05 | 2019-12-05 | In-vitro pouring conformal sand box and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110883316A true CN110883316A (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911236144.6A Pending CN110883316A (en) | 2019-12-05 | 2019-12-05 | In-vitro pouring conformal sand box and manufacturing method thereof |
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| CN (1) | CN110883316A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658215A (en) * | 2020-12-29 | 2021-04-16 | 浙江佳力风能技术有限公司 | Large casting pouring system and method for reducing pouring height |
| CN112846079A (en) * | 2021-01-05 | 2021-05-28 | 中国第一重型机械股份公司 | Modeling control method for large water turbine blade sand mold |
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| CN105880491A (en) * | 2014-11-25 | 2016-08-24 | 常州市凯发光明铸件厂 | Novel casting and pouring system for conical support casting of wind-driven generator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658215A (en) * | 2020-12-29 | 2021-04-16 | 浙江佳力风能技术有限公司 | Large casting pouring system and method for reducing pouring height |
| CN112846079A (en) * | 2021-01-05 | 2021-05-28 | 中国第一重型机械股份公司 | Modeling control method for large water turbine blade sand mold |
| CN112846079B (en) * | 2021-01-05 | 2022-11-18 | 中国第一重型机械股份公司 | Modeling control method for large water turbine blade sand mold |
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Application publication date: 20200317 |
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