CN108856663A - A kind of mould assembly and method reducing cast aluminium alloy gold slag inclusion amount - Google Patents
A kind of mould assembly and method reducing cast aluminium alloy gold slag inclusion amount Download PDFInfo
- Publication number
- CN108856663A CN108856663A CN201810689437.9A CN201810689437A CN108856663A CN 108856663 A CN108856663 A CN 108856663A CN 201810689437 A CN201810689437 A CN 201810689437A CN 108856663 A CN108856663 A CN 108856663A
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- CN
- China
- Prior art keywords
- mesh bag
- flow straightener
- crystallizer
- slag inclusion
- aluminium alloy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/103—Distributing the molten metal, e.g. using runners, floats, distributors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/116—Refining the metal
- B22D11/119—Refining the metal by filtering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of mould assemblies and method for reducing cast aluminium alloy gold slag inclusion amount, including：Crystallizer ontology, flow straightener and beam tube；Wherein, the flow straightener is lain in a horizontal plane in the crystalline solid ontology, and the beam tube is inserted vertically into the circular hole in the middle part of the flow straightener, and top is protruded into chute；It further include mesh bag, the mesh bag is nested in the outside of the flow straightener；The method is to install mesh bag additional again after dummy ingot forms liquid cave, then carries out casting and forming.The present invention can effectively intercept the impurity in the molten aluminum flowed through, to improve the degree of purity of casting molten aluminum, effectively avoid slag inclusion problem, improve the quality of shaped article by adding mesh bag outside flow straightener in crystallizer before real casting.
Description
Technical field
The present invention relates to aluminium alloy casting technology fields, more particularly to a kind of crystallization for reducing cast aluminium alloy gold slag inclusion amount
Device device and method.
Background technique
Aluminium alloy is due to light weight, and resourceful, price is lower, becomes the material of many manufacturing industry first choices.Companion simultaneously
It, will be more stringent to the control of cast ingot product quality as aluminium alloy cast ingot production technology is more and more mature.Aluminium alloy was cast
Journey is a physical process cooling by liquid aluminium, crystallization becomes solid aluminium ingot, and in the process, impurity and oxidation film are deposited
Cast ingot product can be set to generate slag inclusion, becoming influences a stable principal element of cast ingot product quality, and containment product
The principal element that lumber recovery is promoted.The slag inclusion problem of cast ingot product is the problem of most companies always exist at present, and
The problem of one " long-standing ".
In order to solve the problems, such as slag inclusion, industry is mostly controlled by Rose Box at present, but the method is palliative, filtering
Latter section of chute of case its liner in mass production is easily damaged, is scaling-off；In addition, filtrate is flowed in chute can generate whirlpool
Stream, so that the pellumina of filtrate surface package be entered in molten aluminum, therefore, only the filter capacity by promoting Rose Box without
Method effectively removes the liner slag of chute and the pellumina of vortex package, and the slag inclusion problem of cast ingot product is caused still to be deposited always
, cause cast ingot product often to find that slag inclusion inside leads to hole in finished product, it is serious that wound is brought in hot rolling and cold rolling
Roller leads to not being available for roll, causes the loss amount of product also more always.
Therefore, how to promote cast ingot product quality as far as possible is a critical issue, this for control dummy ingot quality with
And the project of the total quality of cast ingot product is extremely urgent.
Summary of the invention
The invention mainly solves the technical problem of providing it is a kind of reduce cast aluminium alloy gold slag inclusion amount mould assembly and
Method is able to solve the problem of existing cast ingot product removes the gred not to the utmost.
In order to solve the above technical problems, one technical scheme adopted by the invention is that：A kind of reduction cast aluminium alloy gold is provided
The mould assembly of slag inclusion amount, including：Crystallizer ontology, flow straightener and beam tube；Wherein, the flow straightener lies in a horizontal plane in described
In crystalline solid ontology, the beam tube is inserted vertically into the circular hole in the middle part of the flow straightener, and top is protruded into chute；It further include net
Bag, the mesh bag are nested in the outside of the flow straightener.
In a preferred embodiment of the present invention, the mesh bag is the cuboid-type high temperature resistant heat insulation material net of equal thickness,
Quadrangle at the top of it has oblique pull side.
In a preferred embodiment of the present invention, the mesh diameter of the mesh bag is 5~30 μm.
The mesh bag is single or double layer.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of mould assembly drop is provided
The method of low cast aluminium alloy gold slag inclusion amount, including crystallizer ontology, flow straightener, beam tube and mesh bag, wherein the flow straightener is horizontal
It is placed in the crystalline solid ontology, the beam tube is inserted vertically into the circular hole in the middle part of the flow straightener, and the mesh bag is spare；
Include the following steps：
（1）Pre- casting：Molten aluminum in the chute is introduced in crystallizer by beam tube with constant speed, after flow straightener
It is flowed out out of crystallizer again, then by dummy bar head, cooling forms liquid cave under the action of cooling water；
（2）Install mesh bag additional：After liquid cave reach a certain height, the mesh bag is put into crystallizer, and passes through mesh bag oblique pull
While being nested with the mesh bag is hanging in the outside of the flow straightener；
（3）Casting：After installing mesh bag additional, molten aluminum continues to introduce in the crystallizer with identical speed by the beam tube, and
Crystallizer is flowed out after passing sequentially through the flow straightener and mesh bag, finally under the action of cooling water, in step（1）The institute of middle formation
It states and continues cooling completion casting on liquid cave；
（4）Cutting：Completely cooling to casting after the completion of casting, cutting removal end obtains product.
In a preferred embodiment of the present invention, the step（2）In, the height in the liquid cave is 120~180mm.
The beneficial effects of the invention are as follows：The present invention it is a kind of reduce cast aluminium alloy gold slag inclusion amount mould assembly, by
In crystallizer, mesh bag is added outside flow straightener, can effectively intercept the impurity in the molten aluminum flowed through before real casting, thus
The degree of purity for improving casting molten aluminum, effectively avoids slag inclusion problem, improves the quality of shaped article.
Detailed description of the invention
Fig. 1 is the stereochemical structure signal of one preferred embodiment of cuboid-type high temperature resistant heat insulation material net of equal thickness of the present invention
Figure；
Fig. 2 is the overlooking structure diagram of shown mesh bag；
The components in the drawings are labeled as follows：1. crystallizer ontology, 2. flow straighteners, 3. beam tubes, 4. mesh bags, 41. oblique pull sides, 5. streams
Slot.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Fig. 1 and Fig. 2 are please referred to, the embodiment of the present invention includes：
Embodiment 1
Present invention discloses a kind of mould assemblies for reducing cast aluminium alloy gold slag inclusion amount, including：Crystallizer ontology 1, flow straightener
2, beam tube 3 and mesh bag 4；Wherein, the flow straightener 2 is lain in a horizontal plane in the crystalline solid ontology 1, and the beam tube 3 is inserted vertically into
In the circular hole at 2 middle part of flow straightener, top is protruded into chute 5, is not entered in the molten aluminum in chute 5；Built in the mesh bag 4
In the crystallizer ontology 1, and it is nested in the outside of the flow straightener 2.Specifically, the mesh bag 4 is single layer equal thickness
Cuboid-type high temperature resistant heat insulation material net, at the top of quadrangle have oblique pull side 41, on mesh bag 4 uniform parts diameter be 5~
30 μm of mesh, impurity or pellumina so as to filter diameter less than 30 μm.When installation, mesh bag 4 is with oblique on its four angles
It draws side to be hung on four angles of flow straightener 2, to be nested with the surrounding outside and bottom of flow straightener, passes through to all intercept
The molten aluminum of flow straightener, by molten aluminum impurity or pellumina intercept, improve casting molten aluminum degree of purity.
Present invention further teaches the methods for reducing cast aluminium alloy gold slag inclusion amount using above-mentioned mould assembly, including crystallizer
Ontology, flow straightener, beam tube and mesh bag, wherein the flow straightener is lain in a horizontal plane in the crystalline solid ontology, and the beam tube is vertical
Be inserted into the circular hole in the middle part of the flow straightener, by the mating crystallizer for being equipped with flow straightener and beam tube according to the technological requirements with chute
Mating installation, mesh bag are placed in spare on one side；
Specifically, the crystallizer ontology 1 with a thickness of 490mm；The length of mesh bag 4 used is 290 ± 5mm, the width of mesh bag 4
For 150 ± 5mm, mesh bag height is 85 ± 3mm, and the length of bevel edge 41 is 56 ± 5mm, and oblique pull corner degree is 45 ± 2 °；
Specific embodiment is as follows：
（1）Pre- casting：Molten aluminum in the chute is introduced in crystallizer by beam tube with constant speed, after flow straightener
It is flowed out out of crystallizer again, then by dummy bar head, cooling forms liquid cave under the action of cooling water；
（2）Install mesh bag additional：After liquid cave reaches the height of 120~180mm, the mesh bag is put into crystallizer, and pass through net
The oblique pull side of bag is nested with the mesh bag is hanging in the outside of the flow straightener；
（3）Casting：After installing mesh bag additional, molten aluminum continues to introduce in the crystallizer with identical speed by the beam tube, and
Crystallizer is flowed out after passing sequentially through the flow straightener and mesh bag, finally under the action of cooling water, in step（1）The institute of middle formation
It states and continues cooling completion casting on liquid cave；
（4）Cutting：Completely cooling to casting after the completion of casting, the length of cutting removal end about 30mm obtains the production without cavity
Product.
Embodiment 2
The difference from embodiment 1 is that the mesh bag is the cuboid-type high temperature resistant heat insulation material net of the double-deck equal thickness.
Aluminium alloy Foundry Production is carried out using double mesh bags, puts into raw material 215355kg, because slag inclusion causes product hole to lose
541kg, loss ratio are 0.25%, improve formed product amount 6.46t, that is, effectively reduce scrap of the product caused by slag inclusion, mention
Rise product quality.
The present invention can effectively be intercepted and be flowed through before real casting by adding mesh bag outside flow straightener in crystallizer
Molten aluminum in impurity, the impurity such as the aluminum oxide generated including the damage of chute liner and the pellumina brought by vortex,
To improve the degree of purity of casting molten aluminum, slag inclusion problem is effectively avoided, the quality of shaped article is improved.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "left", "right", "inner", "outside"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put
Orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning
Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, and comes for those skilled in the art
It says, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any modification, equivalent
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of mould assembly for reducing cast aluminium alloy gold slag inclusion amount, including：Crystallizer ontology, flow straightener and beam tube；Wherein,
The flow straightener is lain in a horizontal plane in the crystalline solid ontology, and the beam tube is inserted vertically into the circular hole in the middle part of the flow straightener,
Its top is protruded into chute；It is characterized in that, further including mesh bag, the mesh bag is nested in the outside of the flow straightener.
2. the mould assembly according to claim 1 for reducing cast aluminium alloy gold slag inclusion amount, which is characterized in that the mesh bag
For the cuboid-type high temperature resistant heat insulation material net of equal thickness, at the top of quadrangle have oblique pull side.
3. the mould assembly according to claim 2 for reducing cast aluminium alloy gold slag inclusion amount, which is characterized in that the mesh bag
Mesh diameter be 5~30 μm.
4. the mould assembly according to claim 1 for reducing cast aluminium alloy gold slag inclusion amount, which is characterized in that the mesh bag
For single or double layer.
5. a kind of method for reducing cast aluminium alloy gold slag inclusion amount using the described in any item mould assemblies of claim 1-4,
It is characterized in that, including crystallizer ontology, flow straightener, beam tube and mesh bag, wherein the flow straightener lies in a horizontal plane in the crystalline solid
In ontology, the beam tube is inserted vertically into the circular hole in the middle part of the flow straightener, and the mesh bag is spare；
Include the following steps：
（1）Pre- casting：Molten aluminum in the chute is introduced in crystallizer by beam tube with constant speed, after flow straightener
It is flowed out out of crystallizer again, then by dummy bar head, cooling forms liquid cave under the action of cooling water；
（2）Install mesh bag additional：After liquid cave reach a certain height, the mesh bag is put into crystallizer, and passes through mesh bag oblique pull
While being nested with the mesh bag is hanging in the outside of the flow straightener；
（3）Casting：After installing mesh bag additional, molten aluminum continues to introduce in the crystallizer with identical speed by the beam tube, and
Crystallizer is flowed out after passing sequentially through the flow straightener and mesh bag, finally under the action of cooling water, in step（1）The institute of middle formation
It states and continues cooling completion casting on liquid cave；
（4）Cutting：Completely cooling to casting after the completion of casting, cutting removal end obtains product.
6. a kind of method that the mould assembly using described in claim 5 reduces cast aluminium alloy gold slag inclusion amount, which is characterized in that
The step（2）In, the height in the liquid cave is 120~180mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810689437.9A CN108856663A (en) | 2018-06-28 | 2018-06-28 | A kind of mould assembly and method reducing cast aluminium alloy gold slag inclusion amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810689437.9A CN108856663A (en) | 2018-06-28 | 2018-06-28 | A kind of mould assembly and method reducing cast aluminium alloy gold slag inclusion amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108856663A true CN108856663A (en) | 2018-11-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810689437.9A Pending CN108856663A (en) | 2018-06-28 | 2018-06-28 | A kind of mould assembly and method reducing cast aluminium alloy gold slag inclusion amount |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976844A (en) * | 2021-10-21 | 2022-01-28 | 捷安特轻合金科技(海安)有限公司 | Special-shaped aluminum alloy ingot casting crystallization device capable of casting multiple aluminum alloy ingots simultaneously |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779389A (en) * | 1972-09-05 | 1973-12-18 | Fibrous Glass Products Inc | Molten metal filter |
| US5244032A (en) * | 1992-03-25 | 1993-09-14 | Reynolds Metals Company | One piece spout sock and channel bag assembly for aluminum ingot casting |
| JP2006247737A (en) * | 2005-03-14 | 2006-09-21 | Kobe Steel Ltd | Screen for aluminum molten metal |
| CN101549398A (en) * | 2009-04-07 | 2009-10-07 | 河南明泰铝业股份有限公司 | Crystallizer apparatus for reducing semi-continuous casting aluminium alloy flat bloom surface cinder inclusion and method thereof |
| CN206382523U (en) * | 2016-12-27 | 2017-08-08 | 西南铝业（集团）有限责任公司 | Casting shunting bag |
-
2018
- 2018-06-28 CN CN201810689437.9A patent/CN108856663A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779389A (en) * | 1972-09-05 | 1973-12-18 | Fibrous Glass Products Inc | Molten metal filter |
| US5244032A (en) * | 1992-03-25 | 1993-09-14 | Reynolds Metals Company | One piece spout sock and channel bag assembly for aluminum ingot casting |
| JP2006247737A (en) * | 2005-03-14 | 2006-09-21 | Kobe Steel Ltd | Screen for aluminum molten metal |
| CN101549398A (en) * | 2009-04-07 | 2009-10-07 | 河南明泰铝业股份有限公司 | Crystallizer apparatus for reducing semi-continuous casting aluminium alloy flat bloom surface cinder inclusion and method thereof |
| CN206382523U (en) * | 2016-12-27 | 2017-08-08 | 西南铝业（集团）有限责任公司 | Casting shunting bag |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976844A (en) * | 2021-10-21 | 2022-01-28 | 捷安特轻合金科技(海安)有限公司 | Special-shaped aluminum alloy ingot casting crystallization device capable of casting multiple aluminum alloy ingots simultaneously |
| CN113976844B (en) * | 2021-10-21 | 2022-11-25 | 捷安特轻合金科技(海安)有限公司 | Special-shaped aluminum alloy ingot casting crystallization device capable of casting multiple aluminum alloy ingots simultaneously |
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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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 215500 West of Baiji Town, Changshu City, Suzhou City, Jiangsu Province Applicant after: Jiangsu Changaluminium Group Co., Ltd. Address before: 215500 West of Baiji Town, Changshu City, Suzhou City, Jiangsu Province Applicant before: Jiangsu Alcha Aluminium Co., Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |