CN108436039B - Container corner fitting casting mould for technology - Google Patents
Container corner fitting casting mould for technology Download PDFInfo
- Publication number
- CN108436039B CN108436039B CN201810546865.6A CN201810546865A CN108436039B CN 108436039 B CN108436039 B CN 108436039B CN 201810546865 A CN201810546865 A CN 201810546865A CN 108436039 B CN108436039 B CN 108436039B
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- Prior art keywords
- corner fitting
- sand shell
- pouring
- chill
- shaped
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- 238000005266 casting Methods 0.000 title claims abstract description 27
- 238000005516 engineering process Methods 0.000 title claims description 5
- 239000004576 sand Substances 0.000 claims abstract description 63
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a mold for a container corner fitting casting process, which comprises an upper sand shell, a lower sand shell and a pouring system, wherein the pouring system is arranged in the middle of the upper sand shell and penetrates through the lower sand shell, a plurality of corner fitting type cavities taking the pouring system as a central shaft are formed by encircling the upper sand shell and the lower sand shell, the pouring system comprises a sprue, and a first sprue gate communicated with each corner fitting type cavity in the lower sand shell, a second sprue gate communicated with each corner fitting type cavity in the upper sand shell and a sprue gate for molten steel injection are sequentially arranged from bottom to top. Through setting up first gate and second gate, make the distance and the scope that the molten steel fed through first gate and second gate increase, supplementary increase the big face processing load of no hole simultaneously, feed isolated hot junction effectively, eliminate shrinkage cavity defect.
Description
Technical Field
The invention belongs to the field of container corner fitting sand shells, and particularly relates to a mold for a container corner fitting casting process.
Background
The container corner fittings are also called as box corners and lifting corners, are mainly used at all corners of the container and play a key role in lifting, carrying, fixing, stacking and fastening operations of the container. The container is used for the offshore freight import and export and domestic land transportation, the corner fitting is a main fitting on the container and used for hoisting and bundling the container, and the corner fitting has severe service conditions and very strict performance requirements on the corner fitting due to large temperature difference of ocean around the world, large maritime jolts and the like.
Whereas existing corner fittings (as in fig. 1) suffer from the following problems: the included angle of the inner cavity of the corner fitting, the thick part of the rectangular big hole wall and the joint of the side ribs of the hole and the welding big surface all have casting hot joints, and the hot joints have the opportunity of shrinkage cavity. The casting hot spot refers to a node or local area in the casting where molten metal solidifies slowly compared to the surrounding metal during solidification, and can be said to be the place where the molten metal solidifies last.
Disclosure of Invention
In order to solve the problems, the invention provides a mold for a container corner fitting casting process, which can effectively solve the problems in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a mould for container corner fitting casting technology, includes sand shell, lower sand shell and gating system, gating system locates in the middle of the sand shell and runs through to lower sand shell, go up sand shell and lower sand shell and surround a plurality of corner fitting type appearance chambeies of forming with gating system as the center pin, gating system includes the sprue, the sprue is upwards equipped with respectively with each corner fitting type appearance chambeies in the lower sand shell by the bottom in proper order and holds the first gate that the chamber is linked together, respectively with each corner fitting type appearance chambeies in the last sand shell second gate that is linked together and be used for the pouring head of molten steel injection.
Further, the first pouring gate is communicated with the lower end of the corner fitting type cavity in the lower sand shell, and the second pouring gate is communicated with the upper end of the corner fitting type cavity of the upper sand shell.
Further, the second pouring opening is arranged right above the first pouring opening.
Further, the mold further comprises a conformal chill, and a chill accommodating cavity for accommodating the conformal chill is arranged at the inner bottom of the lower sand shell.
Further, the shape-following chill is composed of a bar-shaped chill block, a hook-shaped chill block and a right-angle triangular columnar bulge with an arc-shaped inclined plane, the heights of the hook-shaped chill block and the bar-shaped chill block are the same, the hook-shaped chill block is connected with one end of the bar-shaped chill block in an anastomotic manner, the right-angle triangular columnar bulge is arranged on the long angle side of the bar-shaped chill block, and a right-angle surface of the right-angle triangular columnar bulge and an adjacent surface of the bar-shaped chill block are on the same plane.
Further, the strip-shaped cold iron block, the hook-shaped cold iron block and the right-angle triangular columnar bulge are integrally formed.
Further, the upper sand shell and the lower sand shell are surrounded to form four corner fitting type containing cavities taking the pouring system as a central shaft, and four first pouring gates and four second pouring gates which are respectively communicated with the four corner fitting type containing cavities are formed in the sprue.
Compared with the prior art, the invention has the beneficial effects that:
(1) Through setting up first gate and second gate, make the distance and the scope that the molten steel fed through first gate and second gate increase, supplementary increase the big face processing load of no hole simultaneously, feed isolated hot junction effectively, eliminate shrinkage cavity defect.
(2) The molten steel flows into the corner fitting type cavity containing part of the lower sand shell through the first pouring opening, and when the height of the molten steel reaches the position of the second pouring opening, the molten steel flows into the corner fitting type cavity containing part through the second pouring opening, so that shrinkage cavities at the included angle of the inner cavity of the corner fitting can be effectively avoided.
(3) The shape-following chill is arranged at the thick part of the rectangular big hole wall, and is tightly attached to the thick part of the rectangular big hole wall, and the solidification speed of the hot junction can be accelerated through the heat conducting capacity of the shape-following chill. The shape-following chill is provided with the right-angle triangular columnar bulge, and the arc surface of the right-angle triangular columnar bulge can enable the corner edges of the rectangular large hole wall thickness of the shape-following chill and the corner fitting to be more fit and the contact surface to be increased, so that the solidification speed of the shape-following chill is accelerated, and shrinkage cavity is avoided.
Drawings
FIG. 1 is a schematic view of a corner fitting construction;
FIG. 2 is a schematic perspective view of a mold for a container corner fitting casting process;
FIG. 3 is a schematic side view of a mold for a container corner fitting casting process;
FIG. 4 is a schematic view of the structure of the lower sand shell;
FIG. 5 is a schematic view of the structure of the upper sand shell;
FIG. 6 is a schematic diagram of the structure after shakeout;
FIG. 7 is a schematic diagram of a conformal chill structure;
reference numerals illustrate:
the casting device comprises an upper sand shell 1, a lower sand shell 2, a casting system 3, a sprue 4, a first sprue 5, a second sprue 6, a casting head 7, a conformal chill 8, a strip-shaped chill block 9, a hook-shaped chill block 10, a right-angle triangular columnar bulge 11, a corner fitting 12, a rectangular large hole wall thickness 13, a corner fitting type cavity 14 and a chill cavity 15.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The utility model provides a mould for container corner fitting casting technology, includes sand casing 1, lower sand casing 2 and gating system 3, gating system 3 locates in the middle of the sand casing 1 and runs through to lower sand casing 2, go up sand casing 1 and lower sand casing 2 and surround a plurality of corner fitting type appearance chambeies 14 that form with gating system 3 as the center pin, gating system 3 includes sprue 4, sprue 4 upwards is equipped with respectively with each corner fitting type appearance chambeies in the sand casing 2 shells by the bottom in proper order and holds first gate 5 that the chamber is linked together, respectively with each corner fitting type appearance chambeies in the sand casing 1 shell second gate 6 and be used for the pouring head 7 of molten steel injection. Through setting up first gate and second gate, make the distance and the scope that the molten steel fed through first gate and second gate increase, supplementary increase the processing load simultaneously, feed isolated hot junction effectively, eliminate shrinkage cavity defect.
Referring to fig. 3 and 6, the first pouring gate 5 is communicated with the lower end of the corner piece type cavity in the lower sand shell 2, and the second pouring gate 6 is communicated with the upper end of the corner piece type cavity of the upper sand shell 1. The molten steel flows into the corner fitting type cavity containing part of the lower sand shell through the first pouring opening, and when the height of the molten steel reaches the position of the second pouring opening, the molten steel flows into the corner fitting type cavity containing part through the second pouring opening, so that shrinkage cavities at the included angle of the inner cavity of the corner fitting can be effectively avoided.
As a preferable mode of the above technical solution, referring to fig. 3 and 6, the second gate 6 is disposed directly above the first gate 5, and the second gate and the first gate are in the same vertical direction.
Referring to fig. 2-7, the mold further comprises a conformal chill 8, and a chill cavity 15 for placing the conformal chill 8 is arranged at the bottom of the lower sand shell 2. Fig. 6 is a schematic diagram of a connection structure between the corner fitting and the casting system after shakeout, and as can be seen from fig. 6, the conformal chill is arranged at the rectangular large hole wall thickness 13, and the conformal chill is closely arranged at the rectangular large hole wall thickness 13, so that the solidification speed at the hot junction can be increased by the heat conducting capability of the conformal chill.
As a preferred solution of the foregoing technical solution, referring to fig. 1, fig. 6 and fig. 7, the shape-following chill 8 is composed of a bar-shaped chill 9, a hook-shaped chill 10 and a right-angle triangular columnar protrusion 11 with an arc surface as an inclined plane, the height of the hook-shaped chill 10 is the same as that of the bar-shaped chill 9, the hook-shaped chill 10 is connected with one end of the bar-shaped chill 9 in an anastomotic manner, the right-angle triangular columnar protrusion 11 is disposed on a long-angle side of the bar-shaped chill 9, a right-angle surface of the right-angle triangular columnar protrusion 11 is on the same plane as an adjacent surface of the bar-shaped chill 9, and another right-angle surface of the right-angle triangular columnar protrusion is in tight contact with the bar-shaped chill, as shown in fig. 7. The shape-following chill is provided with the right-angle triangular columnar bulge, and the arc-shaped surface of the right-angle triangular columnar bulge can enable the shape-following chill to be more attached to the corner edge of the rectangular large hole wall thickness part 13 of the corner fitting, so that the solidification speed of the shape-following chill is accelerated, and shrinkage holes are avoided.
As the optimization of the technical scheme, the strip-shaped cold iron block 9, the hook-shaped cold iron block 10 and the right-angle triangular columnar bulge 11 are integrally formed, so that the use of the conformal cold iron is facilitated.
As a preferable mode of the above technical solution, the upper sand shell 1 and the lower sand shell 2 surround to form four corner fitting type cavities with the casting system 3 as a central axis, and four first gates 5 and four second gates 6 respectively communicated with the four corner fitting type cavities are provided on the sprue 4.
The container corner fitting casting process comprises the following steps:
(1) The conformal chill is placed in the chill cavity, and one side of the right-angle triangular columnar bulge is placed upwards;
(2) Placing the shell core into a lower sand shell;
(3) Placing the upper sand shell above the lower sand shell and connecting the upper sand shell and the lower sand shell;
(4) Injecting molten steel into the sand shell through the casting head, wherein the molten steel flows into the sand shell through the first casting hole, and then, when the height of the molten steel reaches the height of the second casting hole, the molten steel is injected into the sand shell through the second casting hole;
(5) Naturally cooling and shakeout the sand shell, and cutting off the pouring system through a cutting device, thereby completing the preparation of the corner fitting.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The utility model provides a container corner fitting mould for casting technology, includes last sand shell, lower sand shell and gating system, its characterized in that: the pouring system is arranged in the middle of the upper sand shell and penetrates through the lower sand shell, a plurality of corner fitting type cavities taking the pouring system as a central shaft are formed by encircling the upper sand shell and the lower sand shell, the pouring system comprises a sprue, a first pouring gate communicated with each corner fitting type cavity in the lower sand shell, a second pouring gate communicated with each corner fitting type cavity in the upper sand shell and a pouring head for molten steel injection are sequentially arranged from bottom to top; the mold further comprises a conformal chill, and a chill accommodating cavity for accommodating the conformal chill is arranged at the inner bottom of the lower sand shell; the shape-following chill comprises a strip-shaped chill block, a hook-shaped chill block and a right-angle triangular columnar bulge with an arc-shaped inclined plane, wherein the heights of the hook-shaped chill block and the strip-shaped chill block are the same, the hook-shaped chill block is connected with one end of the strip-shaped chill block in an anastomotic manner, the right-angle triangular columnar bulge is arranged on the long angle side of the strip-shaped chill block, and a right-angle surface of the right-angle triangular columnar bulge and an adjacent surface of the strip-shaped chill block are on the same plane.
2. A mold for a container corner fitting casting process according to claim 1, wherein: the first pouring opening is communicated with the lower end of the corner fitting type containing cavity in the lower sand shell, and the second pouring opening is communicated with the upper end of the corner fitting type containing cavity of the upper sand shell.
3. A mold for a container corner fitting casting process according to claim 1, wherein: the second pouring opening is arranged right above the first pouring opening.
4. A mold for a container corner fitting casting process according to claim 1, wherein: the strip-shaped cold iron block, the hook-shaped cold iron block and the right-angle triangular columnar bulge are integrally formed.
5. A mould for a container corner fitting casting process according to any one of claims 1 to 4, characterised in that: the upper sand shell and the lower sand shell are surrounded to form four corner fitting type containing cavities taking the pouring system as a central shaft, and four first pouring gates and four second pouring gates which are respectively communicated with the four corner fitting type containing cavities are formed in the sprue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810546865.6A CN108436039B (en) | 2018-05-31 | 2018-05-31 | Container corner fitting casting mould for technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810546865.6A CN108436039B (en) | 2018-05-31 | 2018-05-31 | Container corner fitting casting mould for technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108436039A CN108436039A (en) | 2018-08-24 |
| CN108436039B true CN108436039B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810546865.6A Active CN108436039B (en) | 2018-05-31 | 2018-05-31 | Container corner fitting casting mould for technology |
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| CN (1) | CN108436039B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773125B (en) * | 2019-01-30 | 2021-05-04 | 浙江春晖复合材料有限公司 | Convenient-to-use die |
| CN115041635A (en) * | 2022-07-11 | 2022-09-13 | 安徽省卡力工贸有限公司 | Container metal piece forming die and using method thereof |
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| HU230620B1 (en) * | 2015-05-14 | 2017-04-28 | ALU-ÖNTŐ Fémöntő és Fémmegmunkáló Ipari | Gravitational aluminium moulding procedure for manufacturing of thin wall casting |
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2018
- 2018-05-31 CN CN201810546865.6A patent/CN108436039B/en active Active
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| US7753103B1 (en) * | 2005-02-02 | 2010-07-13 | Rochester William R | Centrally gated cast metal rotary friction plates and method of manufacture |
| JP2012218028A (en) * | 2011-04-08 | 2012-11-12 | Honda Motor Co Ltd | Casting method and casting apparatus |
| CN202185558U (en) * | 2011-08-04 | 2012-04-11 | 黄石东贝铸造有限公司 | Tension lock casting sand mould of high-speed rail |
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| CN108436039A (en) | 2018-08-24 |
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