CN87207819U - Enclosed centrifugal casting machine - Google Patents
Enclosed centrifugal casting machine Download PDFInfo
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- CN87207819U CN87207819U CN 87207819 CN87207819U CN87207819U CN 87207819 U CN87207819 U CN 87207819U CN 87207819 CN87207819 CN 87207819 CN 87207819 U CN87207819 U CN 87207819U CN 87207819 U CN87207819 U CN 87207819U
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- gland
- enclosed
- centrifugal casting
- casting machine
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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The utility model discloses an enclosed centrifugal casting machine, which is a novel centrifugal casting device. The enclosed centrifugal casting machine which adopts a specific press cover system can make the casting mould enclosed, and the metal liquid which is made to be in the fully enclosed casting mould can be solidified and shaped under larger centrifugal force field. The enclosed centrifugal casting machine which has multiple models is suitable for casting alloys with different varieties and castings with different dimensions; the compact castings which have no casting defects can be obtained; the mechanical properties of the parts can be improved; specially, the anti-fatigue performance can be improved; the enclosed centrifugal casting machine can manufacture the castings with arbitrary wall thickness; under specified conditions, the enclosed centrifugal casting machine can even obtain the solid castings. The enclosed centrifugal casting machine is especially suitable for manufacturing small-size hollow steel ingots and wheel disc type parts, such as; a gear wheel, a worm wheel, etc.
Description
The present invention relates to a kind of foundry machinery, it is applicable to centrifugal casting.
Present existing centrifugal casting machine, in the process of setting, open wide all the time by the sprue gate in the casting mold of rotation for molten metal, and what obtained generally all is light-wall pipe, cover class foundry goods.And us-3168765.Its invention is to solve the operation that the automatic installation core method of a cast tube machine replaces some frock cores, and four circulators are improved to two circulators, thereby productivity ratio obtains increasing.This is still and belongs to the common centrifugal tube casting machine that the sprue gate is opened wide, and only can obtain thin-walled garden tubular foundry goods.
The present invention's purpose is to overcome above-mentioned weak point in the prior art, and a kind of novel centrifugal casting machine of distinctive gland system is proposed, cast finishes, the casting-up mouth is sealed with gland rapidly, make molten metal in totally-enclosed casting mold, solidification forming under bigger centrifugal force field, thus can obtain any wall thickness, or even solid casting, be specially adapted to wheel, disk-like accessory and small hollow steel ingot.
Task of the present invention will reach by following approach: with the gland breakdown, molten metal is poured into die cavity by the sprue gate with gland system, make the gland close mold rapidly by gland system again, drive rotating disk, casting mold by the power transmission rotating shaft again.Gland rotates together, makes molten metal under closed state, and solidification forming under centrifugal force field afterwards, takes out foundry goods by gland system with the gland breakdown, and action produces continuously before repeating like this.More than the gland system of said this machine, make gland pressurization sealing and breakdown, can adopt electronic, pneumatic, hydraulic pressure, machinery or manually various ways realize that and gland rotates with casting mold.The shape and size at gland and sprue gate can change as required.The casting mold that this machine rotates with rotating disk can be metal mold, sand mold, also can be ingot mould, and visual difference is cast objects and changed its version (comprising double stack mold).
Description of drawings:
Fig. 1,1. gland system, the 2. gland in the gland system, 3. sprue gate, 4. die cavity, 5. casting mold, 6. rotating disk, 7. rotating shaft.
Gland among Fig. 1 is for compressing closed state.
Fig. 2, the same Fig. 1 of each toponym.Gland is just at the state of breakdown among the figure.
Fig. 3, embodiment schematic diagram: 1. gland system, the 2. gland in the gland system, 3. sprue gate, 6. rotating disk, 7. rotating shaft, 8. internal mold loam cake, 9. flat bolt, 10 internal molds, 11. external molds.
Embodiment: casting ductile iron gear blank:
For enhancing productivity, adopt inside and outside mould double-decker, have the some covers of internal mold, foundry goods is solidified in machine, machine cools off outward.With reference to Fig. 3, specified operational procedure is as follows:
Make gland 2 breakdowns with gland system 1, to have in the U type groove that internal mold loam cake 8 and flat bolt 9 place external mold 11, the centering of the cone match of the end of internal mold 10 and rotating disk 63 pours into internal mold 10 with molten metal through the sprue gate then, utilizes gland system 1 to make gland pressurization close mold.Power drives rotating disk 6 whole casting mold is rotated together with gland 2 by rotating shaft 7, and is centrifugal to the stipulated time stall.Make gland 2 breakdowns by gland system 1.Suspender cools off foundry goods outward together with the internal mold machine that together winches to by two flat bolts 9, reinstalls another set of internal mold, carries out the next round casting by above-mentioned steps.
After aforementioned foundry goods is cooled to the set point of temperature removing from mould, spray paint, wedging internal mold loam cake is treated the installation casting.
Gravity coefficient G=80～150 that this centrifugal casting is adopted, the best is G=120.
The present invention compared with prior art has the following advantages:
1. this machine is a kind of novel centrifugal Casting Equipment, be with existing centrifugal casting machine difference: adopted unique closed type centrifugal casting method, rotary system with the quick gland seal of a cover, pressurization, rotating centrifugal, make molten metal crystallization shaping in centrifugal force field under closed state, can access any wall thickness is even solid foundry goods, and the gained foundry goods has been eliminated various common casting flaws.
2. the centrifugal casting dense structure that produces with this machine, mechanical performance especially anti-fatigue performance is greatly improved, make the flexible life of magnesium iron improve 1.71～2.58 times, contact fatigue life improves more than 3 times, and this has just opened up wide prospect for the application of ductile iron gear.This machine is suitable for producing wheel disk-like accessory and small hollow steel ingots such as high-quality gear, worm gear.
Annex:
" closed centrifugal casting technique and equipment " and creative with it associated documents
The difference of " us 3168765 "
One, technical scheme:
1. closed centrifugal casting:
Except that matrix, the casting that is caused by out-phase particles such as loose, pore, slag inclusion, thick kish and field trashes lacks, and is the principal element that reduces spheroidal graphite cast-iron and other casting alloy anti-fatigue performance.Ductile iron gear and copper worm wheel etc. is required the high wheel disk-like accessory of fatigue behaviour.Adopt centrifugal casting that above-mentioned out-phase particle is assembled to foundry goods inwall place, but assemble, so that the processing removal then requires casting mold to have higher rotating speed for the kish that has only tens of microns and several microns and field trash are produced significantly to the foundry goods center.And common centrifugal casting technique under high rotating speed, can only obtain thin-walled garden tubular foundry goods.For this reason and the closed centrifugal casting technique of exploitation can obtain the solid even foundry goods of any wall thickness under high rotating speed, can make 1～3 times of the fatigue behaviour raising of spheroidal graphite cast-iron.
2.us 316875：
This invention is the automatic core feed arrangement that is used for centrifugal tube casting machine.(annotate: this is still and is used for producing thin-walled garden tubular foundry goods)
The automatic core installation method that this invention provided can replace artificial installation core and the fixedly operation of casting mold one end.And under the situation that does not increase operation field, the centrifugal tube casting machine that can easily four-stroke one be circulated is transformed into two stroke cast tube machines, thereby productivity ratio is improved significantly.Former four-stroke operation sequence is:
(1) down stroke, pipe casts out, and manually removes core, opens anchor clamps in packing into to the pipe flange end.
(2) return up along track,, extract cast tube to giving casting position.
(3) turn back to final casting position, the new core of manually packing into.
(4) upwards get back to and give pouring position and carry out next circulation.
Two, technology purpose:
1. closed centrifugal casting:
Mainly be to improve the internal quality of casting, and can produce heavy wall even solid casting.
2.us 3168765：
It mainly is forming technology at the cast tube conic pipe joint.
Three, main technologic parameters:
1. closed centrifugal casting:
High rotating speed, its gravity coefficient is G=120～150.
2.us 3168765
The slow-speed of revolution, its gravity coefficient is G=50～80.
Four, equipment characteristic:
1. closed centrifugal casting:
Closed: motlten metal is to be in full closeding state during crystallization under centrifugal force field, so increased the gland closed system on vertical centrifugal technology basis.
2.us 3168765：
Open: as on common horizontal centrifugal tube casting machine basis, to have increased automatic core feed arrangement, before casting, only closed the end (i.e. bottom) that flange is arranged in the type tube.
Five, range of application:
1. closed centrifugal casting:
Be applicable to ductile iron gear, wheel such as copper worm wheel disk-like accessory.
2.us 3168765: be applicable to pipe part.
Claims (2)
1, closed centrifugal casting machine is applicable to the casting of any wall thickness rotary body foundry goods.It is made up of gland system, casting mold, rotating disk, rotating shaft etc., and the present invention is characterized in that: the sprue gate is provided with gland system, it constitute two kinds:
When adopting external force system that gland pressurize, gland system is by (1) power source, the transmission mechanism of (2) power, and (3) rotate the gland bearing group, and (4) gland is formed, and only has gland component to rotate with casting mold in this system;
When adopting seal force system that gland is pressurizeed, gland system can be made of various clamping devices, and this device rotates with casting mold.
2, according to the said closed centrifugal casting machine of claim 1, it is characterized in that: gland system makes the available machinery of action that gland opens and closes, pneumatic, hydraulic pressure, electronic or artificial implemented in many forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87207819 CN87207819U (en) | 1987-05-07 | 1987-05-07 | Enclosed centrifugal casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87207819 CN87207819U (en) | 1987-05-07 | 1987-05-07 | Enclosed centrifugal casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87207819U true CN87207819U (en) | 1988-10-05 |
Family
ID=4823199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87207819 Withdrawn CN87207819U (en) | 1987-05-07 | 1987-05-07 | Enclosed centrifugal casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87207819U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317087C (en) * | 2002-08-19 | 2007-05-23 | 李明锁 | Technology for producing hollow steel by hot squeeze method |
| CN100463743C (en) * | 2007-04-12 | 2009-02-25 | 杨洪根 | Floated oil seal producing method and the founding device |
| WO2012055245A1 (en) * | 2010-10-29 | 2012-05-03 | 广州唯科得复合金属科技有限公司 | Sealed centrifugal casting method |
| CN106132591A (en) * | 2014-01-31 | 2016-11-16 | 赛峰航空器发动机 | The Gasket mould of centrifugal casting |
| CN112916815A (en) * | 2021-01-28 | 2021-06-08 | 张宪钻 | Corrosion-resistant and good centrifugal casting machine of sealing performance |
| CN112974756A (en) * | 2021-02-04 | 2021-06-18 | 泰安和新精工科技有限公司 | Centrifugal casting wheel hub equipment |
-
1987
- 1987-05-07 CN CN 87207819 patent/CN87207819U/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317087C (en) * | 2002-08-19 | 2007-05-23 | 李明锁 | Technology for producing hollow steel by hot squeeze method |
| CN100463743C (en) * | 2007-04-12 | 2009-02-25 | 杨洪根 | Floated oil seal producing method and the founding device |
| WO2012055245A1 (en) * | 2010-10-29 | 2012-05-03 | 广州唯科得复合金属科技有限公司 | Sealed centrifugal casting method |
| CN106132591A (en) * | 2014-01-31 | 2016-11-16 | 赛峰航空器发动机 | The Gasket mould of centrifugal casting |
| CN112916815A (en) * | 2021-01-28 | 2021-06-08 | 张宪钻 | Corrosion-resistant and good centrifugal casting machine of sealing performance |
| CN112916815B (en) * | 2021-01-28 | 2022-05-03 | 济宁国弘机械科技有限公司 | Corrosion-resistant and good centrifugal casting machine of sealing performance |
| CN112974756A (en) * | 2021-02-04 | 2021-06-18 | 泰安和新精工科技有限公司 | Centrifugal casting wheel hub equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |