CN106216601A - The casting method of ore crusher cone class foundry goods - Google Patents
The casting method of ore crusher cone class foundry goods Download PDFInfo
- Publication number
- CN106216601A CN106216601A CN201610606164.8A CN201610606164A CN106216601A CN 106216601 A CN106216601 A CN 106216601A CN 201610606164 A CN201610606164 A CN 201610606164A CN 106216601 A CN106216601 A CN 106216601A
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- thermal center
- rising head
- die cavity
- layer
- foundry goods
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Classifications
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- 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
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
-
- 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
- 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)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
A kind of casting method of ore crusher cone class foundry goods, including moulding, ground floor rising head is set, second layer rising head is set, first subregion chill is set, second subregion chill is set, the present invention reanalyses thermal center scattergram, it it is the first thermal center, second thermal center, 3rd thermal center arranges one layer of rising head, it is that the 4th thermal center arranges one layer of rising head, and subregion chill is set between rising head, thus effectively solve the problem easily producing shrinkage porosite at foundry goods thermal center, decrease inner chamber subsidy, without carrying out inner chamber gouge, reduce workload, improve casting quality, the problem simultaneously solving core cavity scab.
Description
Technical field
The present invention relates to Ore casting steel casting technical field, particularly relate to the casting of a kind of ore crusher cone class foundry goods
Make method.
Background technology
Ore crusher cone class foundry goods as circular cone type ore crusher core link position, belong to core stress and
Wear part, Requirements of Nondestructive Testing is strict, it is desirable to can not have the casting flaws such as slag inclusion, shrinkage porosite, crackle, this casting structure such as figure
1, shown in Fig. 2.
During ore crusher cone class cast casting, foundry goods die cavity 100 includes little axis hole 101, big axis hole 102, foundry goods side
Wall, little axis hole 101 connects with big axis hole 102, and the aperture of little axis hole 101, less than the aperture of big axis hole 102, is tied by the shape of foundry goods
Structure determines, four thermal centers is distributed, is followed successively by first thermal center the 103, second thermal center from top to bottom on foundry goods die cavity 100 sidewall
104, the 3rd thermal center the 105, the 4th thermal center 106, as shown in Figure 3.
Thermal center is in process of setting, and foundry goods internal ratio surrounding metal solidifies node or regional area slowly, these portions
Position solidification is slow, easily produces shrinkage defect.
Existing casting process scheme be designed as large end face upward, the ventricumbent process program of small end, on big axis hole 102
Side arranges main feeding head 107, arranges the riser neck connecting main feeding head 107 in big axis hole 102, arranges inside die cavity
Subsidy 108, as shown in Figure 4, this scheme has a disadvantage in that
1, foundry goods thermal center is many, cannot ensure to solve foundry goods circumferencial direction shrinkage porosite problem, casting by above-mentioned rising head and subsidy scheme
Process still has shrinkage defect；
2, core cavity arranges subsidy, and postorder cleaning gouge difficult treatment, the visual quality of casting is poor；
3, large end face arranges rising head, inner chamber arranges subsidy and causes inner chamber narrow and small, and liquid steel temperature is high, and core radiating surface is little, in foundry goods
Chamber scab is serious.
Summary of the invention
It is necessary to propose the casting of a kind of ore crusher cone class foundry goods by changing modeling scheme, again layout rising head
Make method.
A kind of casting method of ore crusher cone class foundry goods, including:
Moulding: foundry goods die cavity is carried out moulding, the foundry goods die cavity that moulding obtains is the taper die cavity surrounded by cavity lateral, described
Taper die cavity meet small end face upward, large end face down, offer through axis hole in the center of described taper die cavity, cone
The small end face of shape die cavity offers little axis hole, and the large end face at taper die cavity offers big axis hole, is distributed on the sidewall of foundry goods die cavity
Four thermal centers, are followed successively by the first thermal center, the second thermal center, the 3rd thermal center, the 4th thermal center from top to bottom；
Ground floor rising head is set: is blocked the bottom of described little axis hole, the cavity lateral of little axis hole and the bottom of closure is formed
Ground floor rising head, to carry out feeding by ground floor rising head to the 4th thermal center；
Second layer rising head is set: circumferentially arrange at least three second layer rising head on the sidewall of taper die cavity, described
Second layer rising head is connected with cavity lateral by riser neck, described riser neck cover in vertical direction described first thermal center, the
Two thermal centers, the 3rd thermal center, to carry out feeding by second layer rising head to above-mentioned first thermal center, the second thermal center, the 3rd thermal center；
First subregion chill is set: circumferentially arrange some first subregion chills on the sidewall of taper die cavity, described
First subregion chill is arranged between ground floor rising head and second layer rising head, and between adjacent first subregion chill, spacing distance is 30
～50mm, so that ground floor rising head and the second layer emit interruption-forming subregion feeding, it is to avoid second layer rising head is carried out by ground floor rising head
Feeding；
Second subregion chill is set: arrange some second subregion chills, described second subregion chill on the sidewall of taper die cavity
It is arranged between adjacent two second layer rising head, to reduce the coincidence feeding defect between adjacent two second layer rising head.
The present invention reanalyses, divides thermal center scattergram, is that the first thermal center, the second thermal center, the 3rd thermal center arrange one layer and emit
Mouthful, it is that the 4th thermal center arranges one layer of rising head, and for arranging subregion chill between rising head, thus effectively solve at foundry goods thermal center
The problem easily producing shrinkage porosite, decreases inner chamber subsidy, it is not necessary to carry out inner chamber gouge, reduces workload, improves casting quality,
The problem simultaneously solving core cavity scab.
Accompanying drawing explanation
Fig. 1 is the structural representation of described ore crusher cone class foundry goods.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the thermal center distribution schematic diagram of described ore crusher cone class foundry goods.
Fig. 4 is the casting method schematic diagram of prior art.
Fig. 5 is the cast structure schematic diagram of the casting method of the ore crusher cone class foundry goods expressing the present invention.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the upward view of Fig. 5.
Fig. 8 is the sectional structure schematic diagram along A-A of Fig. 6.
In figure: taper die cavity 100, little axis hole 101, big axis hole the 102, first thermal center the 103, second thermal center the 104, the 3rd thermal center
105, the 4th thermal center 106, main feeding head 107, subsidy 108, ground floor rising head 10, second layer rising head 20, riser neck 21, first
Subregion chill the 30, second subregion chill the 40, the 3rd chill the 50, the 4th chill 60, subsidy 70.
Detailed description of the invention
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by embodiment required use attached
Figure is briefly described, it should be apparent that, the accompanying drawing in describing below is some embodiments of the present invention, common for this area
From the point of view of technical staff, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
See Fig. 5 to Fig. 8, embodiments provide the casting method of a kind of ore crusher cone class foundry goods, bag
Include:
Moulding: foundry goods die cavity is carried out moulding, the foundry goods die cavity that moulding obtains is the taper die cavity 100 surrounded by cavity lateral,
Taper die cavity 100 meet small end face upward, large end face down, offer through axis hole in the center of taper die cavity 100,
The small end face of taper die cavity 100 offers little axis hole 101, and the large end face at taper die cavity 100 offers big axis hole 102, in foundry goods type
It is distributed four thermal centers on the sidewall in chamber, is followed successively by first thermal center the 103, second thermal center the 104, the 3rd thermal center the 105, the 4th from top to bottom
Thermal center 106；
Ground floor rising head 10 is set: blocked the bottom of little axis hole 101, by cavity lateral and the bottom of closure of little axis hole 101
Form ground floor rising head 10, the 4th thermal center 106 is carried out feeding by ground floor rising head 10；After having cast, it is only necessary to right
The little axis hole 101 of this foundry goods is carried out in processing, and car goes out the endoporus of little axis hole 101, this avoid bottom little axis hole 101 attached
The shrinkage defect that the 4th near thermal center 106 occurs when being in casting.
Second layer rising head 20 is set: circumferentially arrange at least three second layer on the sidewall of taper die cavity 100
Rising head 20, second layer rising head 20 is connected with cavity lateral by riser neck 21, and riser neck 21 covers the first heat in vertical direction
Joint the 103, second thermal center the 104, the 3rd thermal center 105, with by second layer rising head 20 to above-mentioned first thermal center the 103, second thermal center
104, the 3rd thermal center 105 carries out feeding；
First subregion chill 30 is set: circumferentially arrange some first subregion chills on the sidewall of taper die cavity 100
30, the first subregion chill 30 is arranged between ground floor rising head 10 and second layer rising head 20, between adjacent first subregion chill 30
Spacing distance is 30～50mm, so that ground floor rising head 10 and second layer rising head 20 form subregion feeding, it is to avoid ground floor rising head
10 pairs of second layer rising heads 20 carry out feeding；
Second subregion chill 40 is set: arranging some second subregion chills 40 on the sidewall of taper die cavity 100, the second subregion is cold
Ferrum 40 is arranged between adjacent two second layer rising head 20, to reduce the coincidence benefit between adjacent two second layer rising head 20
Contracting defect.Owing to arranging three second layer rising heads 20, adjacent second layer rising head 20 at the circumferencial direction of the sidewall of casting mold die cavity
Between feeding distance longer, between two adjacent second layer rising heads 20 formed feeding coincidence district, easy in this feeding coincidence district
Coincidence feeding shrinkage defect occurs, so arranging the second subregion chill 40 in this coincidence district, so that three second layer rising heads 20 exist
Circumferencial direction carries out subregion solidification feeding, it is to avoid coincidence feeding shrinkage defect occur in coincidence district.
Further, ground floor rising head 10 is open riser, and the modulus that M10:M106=1.2, M10 are ground floor rising head 10,
M106 is the modulus of the 4th thermal center 106.Open riser relies on gravity and atmospheric pressure feeding, can save on the premise of feeding fully
Save molten steel, so being designed as M10:M106=1.2.
Further, second layer rising head 20 is blind riser, and the modulus that M20:M104=1.4, M20 are second layer rising head 20,
M104 is the modulus of the second thermal center 104.The modulus of second layer rising head 20 calculates according to the modulus of the second thermal center 104 and determines, because of
It is the first thermal center 103 lower section of being positioned at the second thermal center 104, forms feeding gradient, so the feeding meeting the second thermal center 104 is inevitable
Disclosure satisfy that the abundant feeding of the first thermal center 103, and the modulus of the 3rd thermal center 105 is less than the modulus of the second thermal center 104, so
Meet the second thermal center 104 modulus feeding premise under, the first thermal center 103 and the 3rd thermal center 105 necessarily can fully feeding, and
Second layer rising head 20 is set to blind riser, is compared to open riser, and blind riser relies on gravity nature feeding, in order to feeding is abundant, needs
Reserve more molten steel, so being designed as M20:M104=1.4.
Further, height and the 3rd thermal center 105 of the riser neck 21 of second layer rising head 20 upper end in vertical direction are flat
Together, so that second layer rising head 20 is the 3rd abundant feeding of thermal center 105.
Further, for making second layer rising head 20 that the 3rd thermal center 105 is carried out abundant feeding, in big axis hole 102 die cavity
Circumferentially arranging the 3rd chill 50 on wall, the 3rd chill 50 is interior concordant with the 3rd thermal center 105 in the horizontal direction, to reduce
The modulus of the 3rd thermal center 105, and then make second layer rising head 20 that the 3rd thermal center 105 is carried out abundant feeding.
Further, for making second layer rising head 20 that first thermal center 103 is carried out abundant feeding, at the rising head of second layer rising head 20
Arranging subsidy 70 on the sidewall of the die cavity of the lower section of neck 21, subsidy 70 is for being connected between the second thermal center 104 and the first thermal center 103
Passage so that the Feeding channel between the second thermal center 104 and the first thermal center 103 is unobstructed.
Further, for making second layer rising head 20 that first thermal center 103 is carried out abundant feeding further, in big axis hole 102 type
Circumferentially arranging the 4th chill 60 on the inwall in chamber, the 4th chill 60 is interior concordant with the first thermal center 103 in the horizontal direction,
To reduce the modulus of the first thermal center 103, and then make second layer rising head 20 that first thermal center 103 is carried out abundant feeding.
Step in embodiment of the present invention method can carry out order according to actual needs and adjust, merges and delete.
The above disclosed present pre-ferred embodiments that is only, can not limit the right model of the present invention with this certainly
Enclose, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and want according to right of the present invention
Seek made equivalent variations, still fall within the scope that invention is contained.
Claims (7)
1. the casting method of an ore crusher cone class foundry goods, it is characterised in that including:
Moulding: foundry goods die cavity is carried out moulding, the foundry goods die cavity that moulding obtains is the taper die cavity surrounded by cavity lateral, described
Taper die cavity meet small end face upward, large end face down, offer through axis hole in the center of described taper die cavity, cone
The small end face of shape die cavity offers little axis hole, and the large end face at taper die cavity offers big axis hole, is distributed on the sidewall of foundry goods die cavity
Four thermal centers, are followed successively by the first thermal center, the second thermal center, the 3rd thermal center, the 4th thermal center from top to bottom；
Ground floor rising head is set: is blocked the bottom of described little axis hole, the cavity lateral of little axis hole and the bottom of closure is formed
Ground floor rising head, to carry out feeding by ground floor rising head to the 4th thermal center；
Second layer rising head is set: circumferentially arrange at least three second layer rising head on the sidewall of taper die cavity, described
Second layer rising head is connected with cavity lateral by riser neck, described riser neck cover in vertical direction described first thermal center, the
Two thermal centers, the 3rd thermal center, to carry out feeding by second layer rising head to above-mentioned first thermal center, the second thermal center, the 3rd thermal center；
First subregion chill is set: circumferentially arrange some first subregion chills on the sidewall of taper die cavity, described
First subregion chill is arranged between ground floor rising head and second layer rising head, and between adjacent first subregion chill, spacing distance is 30
～50mm, so that ground floor rising head and the second layer emit interruption-forming subregion feeding, it is to avoid second layer rising head is carried out by ground floor rising head
Feeding；
Second subregion chill is set: arrange some second subregion chills, described second subregion chill on the sidewall of taper die cavity
It is arranged between adjacent two second layer rising head, to reduce the coincidence feeding defect between adjacent two second layer rising head.
2. the casting method of ore crusher cone class foundry goods as claimed in claim 1, it is characterised in that described ground floor emits
Mouth is open riser, and the modulus that M10:M106=1.2, M8 are ground floor rising head, and M4 is the modulus of the 4th thermal center.
3. the casting method of ore crusher cone class foundry goods as claimed in claim 1, it is characterised in that the described second layer emits
Mouth is blind riser, and the modulus that M20:M104=1.4, M10 are second layer rising head, and M2 is the modulus of the second thermal center.
4. the casting method of ore crusher cone class foundry goods as claimed in claim 1, it is characterised in that the described second layer emits
Height and the 3rd thermal center of the riser neck of mouth upper end in vertical direction are concordant, so that second layer rising head is that the 3rd thermal center is abundant
Feeding.
5. the casting method of ore crusher cone class foundry goods as claimed in claim 1, it is characterised in that at described big axis hole
Circumferentially arranging the 3rd chill on the inwall of die cavity, described 3rd chill is interior in the horizontal direction puts down with described 3rd thermal center
Together, to reduce the modulus of the 3rd thermal center, and then make second layer rising head that the 3rd thermal center is carried out abundant feeding.
6. the casting method of ore crusher cone class foundry goods as claimed in claim 1, it is characterised in that at second layer rising head
Riser neck lower section die cavity sidewall on subsidy is set, described subsidy for be connected to described second thermal center and the first thermal center it
Between passage so that the Feeding channel between the second thermal center and the first thermal center is unobstructed.
7. the casting method of ore crusher cone class foundry goods as claimed in claim 1, it is characterised in that at described big axis hole
Circumferentially arranging the 4th chill on the inwall of die cavity, described 4th chill is interior in the horizontal direction puts down with described first thermal center
Together, to reduce the modulus of the first thermal center, and then make second layer rising head that the first thermal center is carried out abundant feeding.
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| CN201610606164.8A CN106216601B (en) | 2016-07-28 | 2016-07-28 | The casting method of ore crusher cone class casting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106984775A (en) * | 2017-04-01 | 2017-07-28 | 共享铸钢有限公司 | A kind of casting method of heavy wall gas-turbine hp outer cylinder inlet end casting |
| CN109128046A (en) * | 2018-10-29 | 2019-01-04 | 共享铸钢有限公司 | A kind of casting method preventing cylinder casting nozzle defect |
| CN111940675A (en) * | 2020-08-18 | 2020-11-17 | 四川省金镭重工有限公司 | Novel casting method of steam turbine combined steam valve casing steel casting |
| CN112872300A (en) * | 2019-11-30 | 2021-06-01 | 共享铸钢有限公司 | Casting method of oil and gas equipment casting |
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| CN111889622B (en) * | 2020-06-22 | 2022-02-22 | 共享铸钢有限公司 | Casting method of compressor shell |
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| CN109128046A (en) * | 2018-10-29 | 2019-01-04 | 共享铸钢有限公司 | A kind of casting method preventing cylinder casting nozzle defect |
| CN112872300A (en) * | 2019-11-30 | 2021-06-01 | 共享铸钢有限公司 | Casting method of oil and gas equipment casting |
| CN111940675A (en) * | 2020-08-18 | 2020-11-17 | 四川省金镭重工有限公司 | Novel casting method of steam turbine combined steam valve casing steel casting |
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