CN104368761B - A kind of heat preservation riser buss - Google Patents
A kind of heat preservation riser buss Download PDFInfo
- Publication number
- CN104368761B CN104368761B CN201410657419.4A CN201410657419A CN104368761B CN 104368761 B CN104368761 B CN 104368761B CN 201410657419 A CN201410657419 A CN 201410657419A CN 104368761 B CN104368761 B CN 104368761B
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- Prior art keywords
- heat
- layer
- heating
- insulation layer
- riser buss
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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
- B22C9/088—Feeder heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Mold Materials And Core Materials (AREA)
Abstract
The invention discloses a kind of heat preservation riser buss, belong to alloy casting technology field, including heat-insulation layer and heating layer, described heating layer fits on heat-insulation layer inwall, and described heating layer is made up of some heating bags, and described heating bag includes generate heat oxidant layer and clad.The technical program is by being processed the exothermic mixture of heating layer, it is made into the heating bag of long block shape, stick on heat-insulation layer inwall further according to needing the heating bag selecting different model and quantity, form complete heating layer, the riser buss of different model, and effect easy to use are reached to be suitable for.
Description
Technical field
The invention belongs to alloy casting technology field, relate to the foundry goods order in light-alloy casting solidifying
Gu technology, especially relate to a kind of heat preservation riser buss.
Background technology
In Foundry Production, in the casting solidification contraction phase, frequently with rising head, foundry goods is mended
Contracting, and the application that heat preservation emits vocal imitation skill is to obtain the technological measure that premium casting is important.
Each producer producing casting auxiliary material is the needs adapting to casting industry development, have developed each
Planting the insulating riser sleeve of pattern, the patent of invention such as Patent No. 201220346420.1 discloses
A kind of heat preservation two-layer equation riser buss, the patent of invention of Patent No. 201320390269.6 is public
Open a kind of heat preservation riser buss, all by being combined with heating layer by heat-insulation layer, with simply
Structure makes heat-insulation layer and heating layer jointly act on, and improves the feeding effect of foundry goods.
But, the heat preservation riser buss occurred currently on the market is mostly satisfied high-volume, makes
Foundry goods and the needs of steel-casting on molded line and specific aim exploitation, when needing to improve casting quality
During foundry method improvement to be carried out, especially multi items, small lot foundry goods trial-production, improve and
During production, the use motility of this kind of insulating riser sleeve and adaptability are restricted；It addition, by
Wider in aluminium-magnesium alloy metacollid, obstruction can be caused to feeding in alloy graining process,
Therefore need to use bigger Riser Dimensions in actual process design and production, thus the guarantor to riser buss
Temp effect is had higher requirement, and heat preservation riser buss of the prior art be all for
Conventional cast designs, and the effect to improving aluminium-magnesium alloy casting pressing port feeding effect is extremely limited.
Summary of the invention
In order to solve the problems referred to above, for the light-alloy casting features such as aluminium-magnesium alloy, the present invention
Provide a kind of heat preservation riser buss, thus reach raising alloy casting feeding effect, and
Make it the most flexible, to adapt to different materials and the casting of riser buss model.
The present invention is achieved by following technical solution.
A kind of heat preservation riser buss, including heat-insulation layer and heating layer, described heating layer fits in
On heat-insulation layer inwall, described heating layer is made up of some heating bags, and described heating bag includes heating
Oxidant layer and clad.
Further, described heating oxidant layer is to use the binding agent of 9～11 weight portions, 9～11 weight
Part potassium permanganate, 48～52 charcoal powder, 28～32 magnesium powder of weight portion of weight portion, in stirring
Device is sufficiently mixed uniformly, grows up block by particular manufacturing craft compacting.
Further, the material of described heat-insulation layer is alumina-silicate ceramic fibre or calcium silicates pottery fibre
Dimension.
Further, described heating bag thickness is 5～8mm, and described insulation layer thickness is
9～11mm.
Further, the material of described clad is kraft paper.
Further, described binding agent is food starch or lignin sulfonic acid calcium powder.
Further, described insulation layer thickness is 10mm.
The invention has the beneficial effects as follows:
A kind of heat preservation riser buss of the present invention, by carrying out the exothermic mixture of heating layer
Processing, is made into the heating bag of long block shape, selects different model and quantity further according to needs
Heating bag stick to, on heat-insulation layer inwall, form complete heating layer, reached to be suitable for not
The riser buss of same model, and effect easy to use；Meanwhile, the heating covering that heating layer uses
Number can as required depending on, for ensure larger-size riser heating and insulating effect, can be according to need
Suitably to increase heating layer thickness, to improve the riser feeding effect of alloy-steel casting；It addition, because of
Heating bag shape and structure is simple, and processing technology is simple, it is simple to standardization and production line balance, also
It is readily transported and sells.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation wrapped that generates heat in the present invention；
Fig. 3 is the sectional view wrapped that generates heat in the present invention；
Fig. 4 is the monoblock type riser buss structural representation using inventive formulation to make.
In figure: 1-heat-insulation layer, 2-heating layer, 3-generates heat bag, 301-clad, 302-exothermic mixture
Layer, 4-transition zone.
Detailed description of the invention
Further describe technical scheme below in conjunction with the accompanying drawings, but claimed scope
It is not limited to described.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of heat preservation riser buss of the present invention,
Including heat-insulation layer 1 and heating layer 2, described heating layer 2 fits on heat-insulation layer 1 inwall, institute
Stating heating layer 2 to be made up of some heating bags 3, described heating bag 3 thickness are 5～8mm, bag
Include heating oxidant layer 302 and clad 301；The material of described heat-insulation layer 1 is that aluminum silicate ceramic is fine
Dimension or calcium silicates ceramic fibre, heat-insulation layer 1 thickness is 9～11mm；Described clad 301
Material is kraft paper.
Described heating oxidant layer 302 is to use the binding agent of 9～11 weight portions, 9～11 height of weight portion
Potassium manganate, 48～52 charcoal powder, 28～32 magnesium powder of weight portion of weight portion, in agitating device
It is sufficiently mixed uniformly, grows up block by particular manufacturing craft compacting；Described binding agent is food starch
Or lignin sulfonic acid calcium powder.
Embodiment one
A kind of heat preservation riser buss, including heat-insulation layer 1 and heating layer 2, described heating layer 2 by
Some heating bag 3 compositions, described heating bag 3 includes again generate heat oxidant layer 302 and clad 301, institute
State food starch or lignin sulfonic acid calcium powder, 11 weight portions that heating oxidant layer 302 is 9 weight portions
The magnesium powder of potassium permanganate, the charcoal powder of 48 weight portions and 32 weight portions is pressed into after being sufficiently mixed uniformly
Flat, thickness be the long bulk heating bag of 5mm～8mm, according to the rising head model used
Difference, heat-insulation layer 1 model is the most different, exothermic mixture can be pressed into all size, use kraft paper
Wrap that to make heating bag 3 standby；Described heat-insulation layer 1 uses calcium silicates or alumina-silicate ceramic fibre etc.
Flame-proof thermal insulation material makes.The insulation base material of heat-insulation layer 1 is previously positioned in casting mould cap mouth,
After treating casting mold cleaning baking, with viscous cream, the heating bag 3 of corresponding model is pasted onto guarantor successively
Temperature riser buss heat-insulation layer 1 inwall so that it is circumferentially distributed, general heat-insulation layer 1 thickness is 10mm,
The thickness of heating layer 2 then can be pasted 2 layers of even multilamellar heating bag 3 according to practical situation and meet need
Want, to ensure its heating effect.During use, when the alloy molten metal liquid of high temperature is from casting gate
Place fills mould, and at riser buss, the potassium permanganate in heating layer is heated releasing oxygen, and charcoal powder exists
Being ignited under oxygen and hot conditions, charcoal powder ignites magnesium powder, and magnesium powder burning discharges substantial amounts of
Heat, may be up to more than 2000 DEG C, has reached the good result of heating, and has efficiently solved light
Alloy sand-cast is loose, shrinkage cavity defect, improves casting compactness, saves energy and reduce the cost simultaneously,
Reduce production cost.
Multi items, small lot foundry goods trial-production, improve and produce time, it is possible to by select difference
The heating bag 3 of model is combined, and assembles rapidly the riser buss of different heat agent consumption, with
Just small lot trial-production carries out Contrast on effect.
Embodiment two
A kind of heat preservation riser buss, including heat-insulation layer 1 and heating layer 2, described heating layer 2 by
Some heating bag 3 compositions, described heating bag 3 includes again generate heat oxidant layer 302 and clad 301, institute
State food starch or lignin sulfonic acid calcium powder, 9 weight portions that heating oxidant layer 302 is 11 weight portions
The magnesium powder of potassium permanganate, the charcoal powder of 52 weight portions and 28 weight portions is pressed into after being sufficiently mixed uniformly
Flat, thickness be the long bulk heating bag of 5mm～8mm, according to the rising head model used
Difference, heat-insulation layer 1 model is the most different, exothermic mixture can be pressed into all size, use kraft paper
Wrap that to make heating bag 3 standby；Described heat-insulation layer 1 uses calcium silicates or alumina-silicate ceramic fibre etc.
Flame-proof thermal insulation material makes.The insulation base material of heat-insulation layer 1 is previously positioned in casting mould cap mouth,
After treating casting mold cleaning baking, with viscous cream, the heating bag 3 of corresponding model is pasted onto guarantor successively
Temperature riser buss heat-insulation layer 1 inwall so that it is circumferentially distributed, general heat-insulation layer 1 thickness is 10mm,
The thickness of heating layer 2 then can be pasted 2 layers of even multilamellar heating bag 3 according to practical situation and meet need
Want, to ensure its heating effect.During use, when the alloy molten metal liquid of high temperature is from casting gate
Place fills mould, and at riser buss, the potassium permanganate in heating layer is heated releasing oxygen, and charcoal powder exists
Being ignited under oxygen and hot conditions, charcoal powder ignites magnesium powder, and magnesium powder burning discharges substantial amounts of
Heat, may be up to more than 2000 DEG C, has reached the good result of heating, and has efficiently solved light
Alloy sand-cast is loose, shrinkage cavity defect, improves casting compactness, saves energy and reduce the cost simultaneously,
Reduce production cost.
Multi items, small lot foundry goods trial-production, improve and produce time, it is possible to by select difference
The heating bag 3 of model is combined, and assembles rapidly the riser buss of different heat agent consumption, with
Just small lot trial-production carries out Contrast on effect.
Embodiment three
A kind of heat preservation riser buss, including heat-insulation layer 1 and heating layer 2, described heating layer 2 by
Some heating bag 3 compositions, described heating bag 3 includes again generate heat oxidant layer 302 and clad 301, institute
State food starch or lignin sulfonic acid calcium powder, 10 weight portions that heating oxidant layer 302 is 10 weight portions
The magnesium powder of potassium permanganate, the charcoal powder of 50 weight portions and 30 weight portions be sufficiently mixed uniformly after pressure
Become flat, thickness be the long bulk heating bag of 5mm～8mm, emit the shape of the mouth as one speaks according to use
Number difference, heat-insulation layer 1 model is the most different, exothermic mixture can be pressed into all size, use Corii Bovis seu Bubali
It is standby that paper bag makes well heating bag 3；Described heat-insulation layer 1 uses calcium silicates or alumina-silicate ceramic fibre
Make Deng flame-proof thermal insulation material.The insulation base material of heat-insulation layer 1 is previously positioned in casting mould cap mouth,
After treating casting mold cleaning baking, with viscous cream, the heating bag 3 of corresponding model is pasted onto guarantor successively
Temperature riser buss heat-insulation layer 1 inwall so that it is circumferentially distributed, general heat-insulation layer 1 thickness is 10mm,
The thickness of heating layer 2 then can be pasted 2 layers of even multilamellar heating bag 3 according to practical situation and meet need
Want, to ensure its heating effect.During use, when the alloy molten metal liquid of high temperature is from casting gate
Place fills mould, and at riser buss, the potassium permanganate in heating layer is heated releasing oxygen, and charcoal powder exists
Being ignited under oxygen and hot conditions, charcoal powder ignites magnesium powder, and magnesium powder burning discharges substantial amounts of
Heat, may be up to more than 2000 DEG C, has reached the good result of heating, and has efficiently solved light
Alloy sand-cast is loose, shrinkage cavity defect, improves casting compactness, saves energy and reduce the cost simultaneously,
Reduce production cost.
Multi items, small lot foundry goods trial-production, improve and produce time, it is possible to by select difference
The heating bag 3 of model is combined, and assembles rapidly the riser buss of different heat agent consumption, with
Just small lot trial-production carries out Contrast on effect.
Embodiment four
As shown in Figure 4, a kind of heat preservation riser buss, including heat-insulation layer 1 and heating layer 2, and
Increasing transition zone 4 on heating layer 2 inwall, described heat-insulation layer 1 uses calcium silicates or aluminium silicate pottery
The flame-proof thermal insulation materials such as porcelain fiber are made, and described heating layer 2 uses the food starch of 10 weight portions
Or lignin sulfonic acid calcium powder, the potassium permanganate of 10 weight portions, the charcoal powder of 50 weight portions and 30
The magnesium powder of weight portion is sufficiently mixed after uniformly and is directly coated with to heat-insulation layer 1 inwall, applied thickness 5～
8mm, insulation layer thickness is 10mm；Described transition zone 4 uses calcium silicates or aluminum silicate ceramic fine
The insulation materials such as dimension paper make, and transition region thickness is about 1mm, and transition zone 4 adheres to heating
On layer 2 inwall, obtain complete riser buss.During use, when the alloy molten metal liquid of high temperature
Filling mould from casting port position, at riser buss, the potassium permanganate in heating layer is heated releasing oxygen,
Charcoal powder is ignited under oxygen and hot conditions, and charcoal powder ignites magnesium powder, magnesium powder burning release
Go out substantial amounts of heat, may be up to more than 2000 DEG C, reach the good result of heating.
Adopting the heat preservation rising head produced in this way is an all-in-one-piece riser buss, can root
Design insulation layer thickness according to needs, but be difficult to adapt to easily the rising head casting of Multiple Type.
Claims (5)
1. a heat preservation riser buss, including heat-insulation layer (1) and heating layer (2), institute
State heating layer (2) and fit on heat-insulation layer (1) inwall, it is characterised in that: described heating layer
(2) being made up of some heatings bag (3), described heating bag (3) includes oxidant layer (302) of generating heat
With clad (301)；Described heating oxidant layer (302) be use 9～11 weight portions binding agent,
The potassium permanganate of 9～11 weight portions, 48～52 charcoal powder, 28～32 magnesium powder of weight portion of weight portion,
Agitating device is sufficiently mixed uniformly, grows up block by particular manufacturing craft compacting；Described bonding
Agent is food starch or lignin sulfonic acid calcium powder.
A kind of heat preservation riser buss the most according to claim 1, it is characterised in that: institute
The material stating heat-insulation layer (1) is alumina-silicate ceramic fibre or calcium silicates ceramic fibre.
A kind of heat preservation riser buss the most according to claim 1, it is characterised in that: institute
Stating heating bag (3) thickness is 5～8mm.
A kind of heat preservation riser buss the most according to claim 1, it is characterised in that: institute
The material stating clad (301) is kraft paper.
A kind of heat preservation riser buss the most according to claim 1, it is characterised in that: institute
Stating heat-insulation layer (1) thickness is 10mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410657419.4A CN104368761B (en) | 2014-11-18 | 2014-11-18 | A kind of heat preservation riser buss |
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| CN201410657419.4A CN104368761B (en) | 2014-11-18 | 2014-11-18 | A kind of heat preservation riser buss |
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| CN104368761A CN104368761A (en) | 2015-02-25 |
| CN104368761B true CN104368761B (en) | 2016-08-31 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741538A (en) * | 2015-04-22 | 2015-07-01 | 大唐山东电力检修运营有限公司 | Environment-friendly heat-preserving riser |
| CN105562609A (en) * | 2015-05-25 | 2016-05-11 | 江苏卡斯美特铸造科技有限公司 | Insulating riser and manufacture method thereof |
| CN105458181B (en) * | 2016-02-04 | 2018-02-16 | 中铁宝桥集团有限公司 | Fiber riser pad |
| CN105945228B (en) * | 2016-06-02 | 2019-01-01 | 浙江品创知识产权服务有限公司 | A kind of preparation method of high durable insulating and heating riser |
| CN105903906B (en) * | 2016-06-02 | 2019-01-08 | 浙江品创知识产权服务有限公司 | A kind of high tenacity exothermic riser and preparation method thereof |
| CN107159853B (en) * | 2017-05-14 | 2019-01-15 | 湖南省山力新材料有限责任公司 | A kind of preparation method of heat preservation riser |
| CN110919818A (en) * | 2019-11-29 | 2020-03-27 | 王海江 | Low-temperature forming method for semi-solid slurry for producing casting head system |
| CN112808940A (en) * | 2021-02-08 | 2021-05-18 | 洛阳洛北重工机械有限公司 | Composite riser sleeve for feeding large steel casting |
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| CN87216623U (en) * | 1987-12-11 | 1988-09-07 | 魏永梁 | Jacketed exothermic riser sleeve |
| CN1903481A (en) * | 2006-08-07 | 2007-01-31 | 济南圣泉集团股份有限公司 | Composite heating thermal-insulating pressing riser bush |
| CN2905267Y (en) * | 2006-03-14 | 2007-05-30 | 张敏 | Composite type heat-insulation heating casting head envelope structure |
| CN200939499Y (en) * | 2006-08-07 | 2007-08-29 | 济南圣泉集团股份有限公司 | Novel heating and warming riser sleeve |
| CN102836973A (en) * | 2012-07-30 | 2012-12-26 | 霍山县东胜铸造材料有限公司 | Preparation method for heating heat-insulating riser sleeve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6178553A (en) * | 1984-09-25 | 1986-04-22 | Daido Steel Co Ltd | Method for controlling directional solidification by exothermic core |
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2014
- 2014-11-18 CN CN201410657419.4A patent/CN104368761B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87216623U (en) * | 1987-12-11 | 1988-09-07 | 魏永梁 | Jacketed exothermic riser sleeve |
| CN2905267Y (en) * | 2006-03-14 | 2007-05-30 | 张敏 | Composite type heat-insulation heating casting head envelope structure |
| CN1903481A (en) * | 2006-08-07 | 2007-01-31 | 济南圣泉集团股份有限公司 | Composite heating thermal-insulating pressing riser bush |
| CN200939499Y (en) * | 2006-08-07 | 2007-08-29 | 济南圣泉集团股份有限公司 | Novel heating and warming riser sleeve |
| CN102836973A (en) * | 2012-07-30 | 2012-12-26 | 霍山县东胜铸造材料有限公司 | Preparation method for heating heat-insulating riser sleeve |
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| CN104368761A (en) | 2015-02-25 |
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