CN104550812A - Horizontal centrifugal casting machine - Google Patents

Horizontal centrifugal casting machine Download PDF

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Publication number
CN104550812A
CN104550812A CN201510049004.3A CN201510049004A CN104550812A CN 104550812 A CN104550812 A CN 104550812A CN 201510049004 A CN201510049004 A CN 201510049004A CN 104550812 A CN104550812 A CN 104550812A
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CN
China
Prior art keywords
end cap
casting machine
centrifugal casting
type tube
horizontal centrifugal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510049004.3A
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Chinese (zh)
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CN104550812B (en
Inventor
吴建军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Iron & Steel Institute Co ltd
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Chongqing Iron and Steel Group Co Ltd
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Publication date
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Priority to CN201510049004.3A priority Critical patent/CN104550812B/en
Publication of CN104550812A publication Critical patent/CN104550812A/en
Application granted granted Critical
Publication of CN104550812B publication Critical patent/CN104550812B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00Centrifugal casting; Casting by using centrifugal force
    • B22D13/02Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis
    • B22D13/023Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis the longitudinal axis being horizontal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00Centrifugal casting; Casting by using centrifugal force
    • B22D13/10Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings

Abstract

The invention discloses a horizontal centrifugal casting machine comprising a cylinder horizontally arranged. Two pairs of carrier wheels provided pairwise below support the cylinder; the carrier wheels are connected with a power device and are driven by the power device; end covers in ring shapes are arranged at two ends of the inside of the cylinder. The horizontal centrifugal casting machine is characterized in that the inner surface of each end cover is provided with three circular bosses arranged at intervals in a protruding manner. The horizontal centrifugal casting machine is simple in structure; and molten steel spattering or leakage can be well avoided for the cylinder.

Description

Horizontal centrifugal casting machine
Technical field
The present invention relates to a kind of Casting Equipment field, particularly relate to a kind of horizontal centrifugal casting machine.
Background technology
Centrifugal casting machine is that one utilizes centrifugal force, and molten metal enters in the type tube of High Rotation Speed, under centrifugal action cool, shaping with the Casting Equipment obtaining metal casting.Wherein, horizontal casting machine is a kind of typical centrifugal casting machine, is mainly used in pouring into a mould various tubular cast.Existing horizontal casting machine primary structure is for comprising horizontally disposed type tube, and supported by the support roller arranged in pairs and reliable support roller driven rotary below type tube, support roller is connected with power set and leans on it to drive, and the inner two ends place of type tube is provided with the end cap of annular.Wherein the centrifugal rotational power of type tube provides mainly through the frictional force between type tube and support roller, it is linear contact lay between type tube and support roller, linear contact lay Area comparison is little, the frictional force provided is smaller, therefore the speed of the centrifugal motion of type tube of the prior art is limited, during as occurred that rotating speed can not meet the shaping speed demand of pipe fitting.In casting production process; casting liquid in type tube will overflow the end cap of type tube both sides and spatter steel or bleed-out not because of centrifugal force; and; type tube of the prior art is when high-speed rotation; axial constraint is less even not to be had, and type tube often can jump on support roller, fluctuates larger; there is certain impact, also make molten steel overflow type tube end cap unavoidably and spatter steel.Liquid of even casting in operating process casting excessive or do operation human users rock improper causing, its huge heat energy of molten steel and the kinetic energy impact under centrifugal action, also can cause spattering steel or bleed-out accident.When accident produces, light side produces the steel bonding of end cap type tube, affects follow-up demoulding work.Heavy then molten steel splashes or steel bonding damage end cap or type tube even foundry goods scrap.And when spattering steel and bleed-out accident, serious harm operating personnel personal safety especially.
In the prior art, end cap and the type tube at type tube two ends form forming cavity jointly, mainly protect by the containment vessel outside casting machine when spattering steel or bleed-out generation.But also just protect the personal safety of operating personnel when spattering steel or bleed-out.Do not solve the protection question how protecting and spatter equipment itself when steel or bleed-out occur and have an accident.As the problem etc. that the follow-up demoulding is even scrapped because steel bonding affects such as end cap, type tube.In addition, in existing horizontal centrifugal casting machine, end cap is usually mainly only made up of metallic plate, and flameproof protection effect is poor, easily burns, and then causes and spatter steel or bleed-out.
How improving the structure problem of centrifugal casting machine in above prior art, improve Casting Equipment security, is those skilled in that art's technical problems urgently to be resolved hurrily.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical problem to be solved by this invention is: how to provide a kind of structure simple, type tube can be avoided well to spatter the horizontal centrifugal casting machine of steel or bleed-out accident.
In order to solve the problems of the technologies described above, present invention employs following technical scheme:
A kind of horizontal centrifugal casting machine, comprise horizontally disposed type tube, supported and reliable support roller driven rotary by the two pairs of support rollers arranged in pairs below type tube, support roller is connected with power set and leans on it to drive, the inner two ends place of type tube is provided with the overall end cap in annular, it is characterized in that, described end cap inner surface also compartment of terrain convexes to form the boss of three ring shapes.
Like this, during casting, three road boss play the effect of obstruct, can prevent molten metal from outwards flowing out from end cap inner surface well.
Further, described outermost one encloses on boss and is provided with the return port of connection boss lateral surface to medial surface, and return port is obliquely installed and is positioned at the aperture of boss lateral surface for distance aperture, Geng Jin one end, type tube axle center.
Like this, due to outermost one, to enclose lug boss position molten metal strength outwardly smaller, position arranges return port herein, the molten metal of boss lateral surface can be back to inner side under the effect of centrifugal force component outside boss through the return port be obliquely installed, avoid molten metal better excessive.
As optimization, described return port is overall tapered and the aperture being positioned at boss lateral surface is larger diameter end.Like this, such return port inside can lean on the change in aperture to form pressure reduction, make molten metal the active force that return port exit springs up outside outlet be greater than molten metal on boss medial surface outwardly time pour into the active force of return port, guarantee reflowing result better.
As optimization, the aperture that described return port is positioned at boss lateral surface is obliquely installed, and this edge, Geng Jin side, orifice distance type tube axle center is positioned at more by inner position, and opposite side edge is positioned at more outer position.Like this, can ensure that the molten metal of boss lateral surface can flow into from return port better in hole, avoid molten metal to cross return port outwardly, ensure reflowing result.
As optimization, described outermost one return port enclosed on boss is provided with multiple and to be evenly arranged in the circumferential be a circle, and is provided with a circle backflash on the boss lateral surface of return port position, and return port is positioned at backflash.Like this, molten metal is introduced in backflash, and then enters return port from backflash, this makes it possible to ensure that molten metal enters into return port better, ensures the formation of return port pressure at inlet, ensures reflowing result.
As optimization, outside described end cap, port has the extension that an entirety of the formation that stretches out vertically is tubular, extension outer end outwards exceeds type tube endface position, and port, extension outer end has the guide flange radially extended to form, port, extension outer end is the sheathed protective cover being fixed with a hollow circular structure also, and described guide flange is positioned at protective cover and protective cover lateral surface center is just provided with opening to extension outer end port.
Like this port outside end cap extended outward type tube port position and be provided with guide flange, even if the cast metal liquid that also existence part is not blocked backflow flows out from end cap mouth, also can along guide flange from radially outward throwing away after outflow, and collected by protective cover, and then avoid molten metal splashing hurt sb.'s feelings or spill rear steel bonding damage end cap phenomenon occur, ensure production safety better.
As optimization, described guide flange outer end face is annularly evenly distributed with the drainage trough be disposed radially.Like this, the molten metal of outflow can radially guide by drainage trough better.
Better selection is, the tubaeform and adjacent bellmouth entrance that drainage trough entry position is set to extend out is connected at end cap external port place.The molten metal that can flow out the whole port periphery of end cap so is all received by drainage trough and makes it radially flow out.Drainage trough is made to reach drainage effect better.
As optimization, described end cap comprises end cap body and is arranged at the refractory masses of the inner end face of end cap body and inner surface (when specifically implementing, guide flange outer end face is also provided with refractory masses, drainage trough is formed thereon), the refractory masses surface of the inner end face of end cap body is also provided with one deck asbestos backing plate.Like this, the protective refractory of end cap can be improved, avoid end cap to be burned, improve protective action.
As optimization, described end cap and asbestos pad board connect and are limited between a circle alignment pin that a step of the inner side of type tube inner chamber and the annularly uniform of outer side be plugged in type tube inner ring wall pin-and-hole.
Like this, end cap by step and alignment pin clamping spacing, the fixed installation of end cap can be realized better, reach the effect of easy disassembly.
As optimization, described end cap body is that the second steel beam column of tubular and ringwise 3rd steel beam column of entirety that is positioned at outer fix weld and obtain by ringwise first steel beam column of the entirety being positioned at inner side, the entirety that is positioned at medium position, and described first steel beam column inner surface has an annular holding tank.
Like this, the production of convenient end cap body, and improve the bond strength between end cap body and refractory masses, improve end cap flameproof effect.
In sum, it is simple that the present invention has structure, and type tube can be avoided well to spatter the advantage of steel or bleed-out accident.
Accompanying drawing explanation
Fig. 1 is the structural representation of preferred embodiment for the present invention structure.
Fig. 2 is the enlarged diagram of return port position, A place in Fig. 1.
Fig. 3 is the side view at independent guide flange place in Fig. 1.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in further detail.
During concrete enforcement: as Figure 1-3, a kind of horizontal centrifugal casting machine, comprise horizontally disposed type tube 1, supported by the two pairs of support rollers 2 arranged in pairs below type tube 1 and reliable support roller driven rotary, support roller 2 is connected with power set 3 and leans on it to drive, type tube 1 inner two ends place is provided with the overall end cap 4 in annular, and wherein, described end cap 4 inner surface also compartment of terrain convexes to form the boss 10 of three ring shapes.Like this, three road boss play the effect of obstruct, can prevent molten metal from outwards flowing out from end cap inner surface well.
Wherein, described outermost one encloses on boss and is provided with the return port 11 of connection boss lateral surface to medial surface, and return port 11 is obliquely installed and is positioned at the aperture of boss lateral surface for distance aperture, Geng Jin one end, type tube axle center.
Like this, due to outermost one, to enclose lug boss position molten metal strength outwardly smaller, position arranges return port herein, the molten metal of boss lateral surface can be back to inner side under the effect of centrifugal force component outside boss through the return port be obliquely installed, avoid molten metal better excessive.
Wherein, described return port 11 is overall tapered and the aperture being positioned at boss lateral surface is larger diameter end.Like this, such return port inside can lean on the change in aperture to form pressure reduction, make molten metal the active force that return port exit springs up outside outlet be greater than molten metal on boss medial surface outwardly time pour into the active force of return port, guarantee reflowing result better.
Wherein, the aperture that described return port 11 is positioned at boss lateral surface is obliquely installed, and this edge, Geng Jin side, orifice distance type tube axle center is positioned at more by inner position, and opposite side edge is positioned at more outer position.Like this, can ensure that the molten metal of boss lateral surface can flow into from return port better in hole, avoid molten metal to cross return port outwardly, ensure reflowing result.
Wherein, described outermost one return port 11 enclosed on boss is provided with multiple and to be evenly arranged in the circumferential be a circle, and is provided with a circle backflash 12 on the boss lateral surface of return port position, and return port 11 is positioned at backflash 12.Like this, molten metal is introduced in backflash, and then enters return port from backflash, this makes it possible to ensure that molten metal enters into return port better, ensures the formation of return port pressure at inlet, ensures reflowing result.
Outside wherein said end cap 4, port has the extension that an entirety of the formation that stretches out vertically is tubular, extension outer end outwards exceeds type tube endface position, and port, extension outer end has the guide flange 5 radially extended to form, port, extension outer end is the sheathed protective cover 6 being fixed with a hollow circular structure also, and described guide flange 5 is positioned at protective cover 6 and protective cover 6 lateral surface center is just provided with opening to extension outer end port.
Like this port outside end cap extended outward type tube port position and be provided with guide flange, even if the cast metal liquid that also existence part is not blocked backflow flows out from end cap mouth, also can along guide flange from radially outward throwing away after outflow, and collected by protective cover, and then avoid molten metal splashing hurt sb.'s feelings or spill rear steel bonding damage end cap phenomenon occur, ensure production safety better.
Wherein, described guide flange 5 outer end face is annularly evenly distributed with the drainage trough 7 be disposed radially.Like this, the molten metal of outflow can radially guide by drainage trough better.
Wherein, the tubaeform and adjacent bellmouth entrance that drainage trough 7 entry position is set to extend out is connected at end cap external port place.The molten metal that can flow out the whole port periphery of end cap so is all received by drainage trough and makes it radially flow out.Drainage trough is made to reach drainage effect better.
Wherein, when the refractory masses 42(that described end cap comprises end cap body 41 and is arranged at the inner end face of end cap body 41 and inner surface specifically implements, guide flange outer end face is also provided with refractory masses, drainage trough is formed thereon), refractory masses 42 surface of the inner end face of end cap body 41 is also provided with one deck asbestos backing plate 8.Like this, the protective refractory of end cap can be improved, avoid end cap to be burned, improve protective action.
Wherein, described end cap 4 and asbestos backing plate 8 clamping are limited between the circle alignment pin 9 that a step of the inner side of type tube inner chamber and the annularly uniform of outer side be plugged in type tube inner ring wall pin-and-hole.
Like this, end cap is spacing by step alignment pin, can realize the fixed installation of end cap better.
Wherein, described end cap body 41 is that the second steel beam column of tubular and ringwise 3rd steel beam column of entirety that is positioned at outer fix weld and obtain by ringwise first steel beam column of the entirety being positioned at inner side, the entirety that is positioned at medium position, and described first steel beam column inner surface has an annular holding tank.
Like this, the production of convenient end cap body, and improve the bond strength between end cap body and refractory masses, improve end cap flameproof effect.
Therefore the present invention to have structure simple, be convenient to dismounting, effectively can reduce centrifugal casting and spatter steel accident and occur, solve again in centrifugal casting process spatter steel even bleed-out time the equipment such as type tube and end cap protection question, the function of guarantee production safety.

Claims (9)

1. a horizontal centrifugal casting machine, comprise horizontally disposed type tube, supported and reliable support roller driven rotary by the two pairs of support rollers arranged in pairs below type tube, support roller is connected with power set and leans on it to drive, the inner two ends place of type tube is provided with the overall end cap in annular, it is characterized in that, described end cap inner surface also compartment of terrain convexes to form the boss of three ring shapes.
2. horizontal centrifugal casting machine as claimed in claim 1, it is characterized in that, described outermost one encloses on boss and is provided with the return port of connection boss lateral surface to medial surface, and return port is obliquely installed and is positioned at the aperture of boss lateral surface for distance aperture, Geng Jin one end, type tube axle center.
3. horizontal centrifugal casting machine as claimed in claim 2, is characterized in that, described return port is overall tapered and the aperture being positioned at boss lateral surface is larger diameter end.
4. horizontal centrifugal casting machine as claimed in claim 2, it is characterized in that, the aperture that described return port is positioned at boss lateral surface is obliquely installed, and this edge, Geng Jin side, orifice distance type tube axle center is positioned at more by inner position, and opposite side edge is positioned at more outer position.
5. horizontal centrifugal casting machine as claimed in claim 2, it is characterized in that, described outermost one return port enclosed on boss is provided with multiple and to be evenly arranged in the circumferential be a circle, and is provided with a circle backflash on the boss lateral surface of return port position, and return port is positioned at backflash.
6. horizontal centrifugal casting machine as claimed in claim 1, it is characterized in that, outside described end cap, port has the extension that an entirety of the formation that stretches out vertically is tubular, extension outer end outwards exceeds type tube endface position, and port, extension outer end has the guide flange radially extended to form, port, extension outer end is the sheathed protective cover being fixed with a hollow circular structure also, and described guide flange is positioned at protective cover and protective cover lateral surface center is just provided with opening to extension outer end port; Described guide flange outer end face is annularly evenly distributed with the drainage trough be disposed radially.
7. horizontal centrifugal casting machine as claimed in claim 1, it is characterized in that, described end cap comprises end cap body and is arranged at the refractory masses of the inner end face of end cap body and inner surface (when specifically implementing, guide flange outer end face is also provided with refractory masses, drainage trough is formed thereon), the refractory masses surface of the inner end face of end cap body is also provided with one deck asbestos backing plate.
8. horizontal centrifugal casting machine as claimed in claim 7, it is characterized in that, described end cap and asbestos pad board connect and are limited between a circle alignment pin that a step of the inner side of type tube inner chamber and the annularly uniform of outer side be plugged in type tube inner ring wall pin-and-hole.
9. horizontal centrifugal casting machine as claimed in claim 7, it is characterized in that, described end cap body is that the second steel beam column of tubular and ringwise 3rd steel beam column of entirety that is positioned at outer fix weld and obtain by ringwise first steel beam column of the entirety being positioned at inner side, the entirety that is positioned at medium position, and described first steel beam column inner surface has an annular holding tank.
CN201510049004.3A 2015-01-30 2015-01-30 Horizontal centrifugal casting machine Expired - Fee Related CN104550812B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510049004.3A CN104550812B (en) 2015-01-30 2015-01-30 Horizontal centrifugal casting machine

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Application Number Priority Date Filing Date Title
CN201510049004.3A CN104550812B (en) 2015-01-30 2015-01-30 Horizontal centrifugal casting machine

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CN104550812B CN104550812B (en) 2017-03-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116352043A (en) * 2023-06-02 2023-06-30 江苏鑫泽不锈钢制品有限公司 Stainless steel pipe casting device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001205409A (en) * 2000-01-27 2001-07-31 Kubota Corp Casting device for pile with helical line
CN2645817Y (en) * 2003-08-16 2004-10-06 庄河市轧辊厂 Centrifugal casting drying cylinder die
CN1814378A (en) * 2006-03-14 2006-08-09 安泰科技股份有限公司 Production method of grooved composite roll for centrifugal casting
CN101041165A (en) * 2007-04-03 2007-09-26 西安交通大学 Low-aliquation high-speed steel roll and the preparing method
CN101245856A (en) * 2008-03-27 2008-08-20 济南东方天明机械有限公司 Bearing sealing device
CN201235396Y (en) * 2008-08-08 2009-05-13 江苏钢宝轧辊有限公司 Horizontal centrifugal casting machine
CN201461323U (en) * 2009-06-22 2010-05-12 桐昆集团股份有限公司 Leakage-blocking and oil-scraping end cover used in piston of air compressor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001205409A (en) * 2000-01-27 2001-07-31 Kubota Corp Casting device for pile with helical line
CN2645817Y (en) * 2003-08-16 2004-10-06 庄河市轧辊厂 Centrifugal casting drying cylinder die
CN1814378A (en) * 2006-03-14 2006-08-09 安泰科技股份有限公司 Production method of grooved composite roll for centrifugal casting
CN101041165A (en) * 2007-04-03 2007-09-26 西安交通大学 Low-aliquation high-speed steel roll and the preparing method
CN101245856A (en) * 2008-03-27 2008-08-20 济南东方天明机械有限公司 Bearing sealing device
CN201235396Y (en) * 2008-08-08 2009-05-13 江苏钢宝轧辊有限公司 Horizontal centrifugal casting machine
CN201461323U (en) * 2009-06-22 2010-05-12 桐昆集团股份有限公司 Leakage-blocking and oil-scraping end cover used in piston of air compressor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116352043A (en) * 2023-06-02 2023-06-30 江苏鑫泽不锈钢制品有限公司 Stainless steel pipe casting device
CN116352043B (en) * 2023-06-02 2023-08-25 江苏鑫泽不锈钢制品有限公司 Stainless steel pipe casting device

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Effective date of registration: 20210308

Address after: 400084 No. 2, Magnesium Bridge Road, Area A, Jianqiao Industrial Park, Dadukou District, Chongqing

Patentee after: CHONGQING IRON & STEEL INSTITUTE Co.,Ltd.

Address before: Three village 400080 Dadukou District of Chongqing weir building 1 No. 1

Patentee before: CHONGQING IRON & STEEL (GROUP)Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20170322