CN104550818B - A kind of horizontal type centrifugal-casting device - Google Patents

A kind of horizontal type centrifugal-casting device Download PDF

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Publication number
CN104550818B
CN104550818B CN201510049068.3A CN201510049068A CN104550818B CN 104550818 B CN104550818 B CN 104550818B CN 201510049068 A CN201510049068 A CN 201510049068A CN 104550818 B CN104550818 B CN 104550818B
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China
Prior art keywords
end cap
type tube
port
casting device
return port
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CN201510049068.3A
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CN104550818A (en
Inventor
吴建军
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CHONGQING IRON & STEEL INSTITUTE Co.,Ltd.
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Chongqing Iron and Steel Group Co Ltd
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    • 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
    • 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

Abstract

The invention discloses a kind of horizontal type centrifugal-casting device, including horizontally disposed type tube, it is rotated by the two pairs of support roller supportings being arranged in pairs reliable support roller below type tube, support roller is connected with power set and leans on it to drive, type tube is provided with the overall end cap in annular at internal two ends, it is characterized in that, have at described end cap exterior side port and extend axially outwardly the extension that an entirety of formation is cylindrical in shape, extension outer end is outwards beyond type tube endface position, and port, extension outer end has the guide flange radially extending formation, the most sheathed protective cover being fixed with a hollow annular structure in port, extension outer end, described guide flange is positioned at protective cover and protective cover lateral surface center is just provided with opening to extension outer end port.This device has simple in construction, it is possible to avoid type tube to spatter steel or the advantage of bleed-out accident well.

Description

A kind of horizontal type centrifugal-casting device
Technical field
The present invention relates to a kind of Casting Equipment field, particularly relate to a kind of horizontal type centrifugal-casting device.
Background technology
Centrifugal casting machine is that one utilizes centrifugal force, and molten metal enters in the type tube of High Rotation Speed, cools down, is molded to obtain the Casting Equipment of metal casting under centrifugal action.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, for including horizontally disposed type tube, is rotated by the support roller supporting being arranged in pairs reliable support roller below type tube, and support roller is connected with power set and leans on it to drive, and is provided with the end cap of annular at the internal two ends of type tube.Wherein the centrifugal rotational power of type tube is mainly provided by the frictional force between type tube and support roller, it it is linear contact lay between type tube and support roller, linear contact lay Area comparison is little, the frictional force provided is smaller, the speed of the centrifugal motion of type tube the most of the prior art is limited, during as shaping speed demand that rotating speed can not meet pipe fitting occur.In casting production process, the casting liquid in type tube not will overflow the end cap of type tube both sides because centrifugal force and spatter steel or bleed-out, and, type tube of the prior art when high-speed rotation, Axial constraint is less often jumps even without, type tube on support roller, and fluctuation is relatively big, certain impact occurs, makes molten steel overflow type tube end cap the most unavoidably and spatters steel.Even in operating process cast liquid casting excess or do operation human users rock improper causing, its huge heat energy of molten steel and the kinetic energy impact under centrifugal action, also result in and spatter steel or bleed-out accident.When accident produces, light side produces end cap type tube steel bonding, affects follow-up demoulding work.Heavy then molten steel splashes or steel bonding damages end cap or type tube even foundry goods is scrapped.And when spattering steel and bleed-out accident, serious harm operating personnel personal safety especially.
In the prior art, the end cap at type tube two ends and type tube collectively constitute forming cavity, spatter steel or time bleed-out occurs mainly by casting machine outside containment vessel protection.But the most simply protect the personal safety of operating personnel when spattering steel or bleed-out.Do not solve how to protect the protection question of equipment itself when spattering steel or bleed-out generation and have an accident.Affect, because of steel bonding, the problem etc. that the follow-up demoulding is even scrapped such as end cap, type tube etc..It 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 in turn results in and spatters steel or bleed-out.
How to improve the structure problem of centrifugal casting machine in above prior art, improve Casting Equipment security, be 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, the technical problem to be solved is: how to provide a kind of simple in construction, it is possible to avoid type tube to spatter the horizontal type centrifugal-casting device of steel or bleed-out accident well.
In order to solve above-mentioned technical problem, present invention employs following technical scheme:
A kind of horizontal type centrifugal-casting device, including horizontally disposed type tube, it is rotated by the two pairs of support roller supportings being arranged in pairs reliable support roller below type tube, support roller is connected with power set and leans on it to drive, type tube is provided with the overall end cap in annular at internal two ends, it is characterized in that, have at described end cap exterior side port and extend axially outwardly the extension that an entirety of formation is cylindrical in shape, extension outer end is outwards beyond type tube endface position, and port, extension outer end has the guide flange radially extending formation, the most sheathed protective cover being fixed with a hollow annular structure in port, extension outer end, described guide flange is positioned at protective cover and protective cover lateral surface center is just provided with opening to extension outer end port.
In this device, end cap exterior side port is extended outward type tube port position and is provided with guide flange, so, when casting molten metal is after end cap mouth flows out, can throw away along guide flange from radially outward, and by collected by protective cover, and then avoid molten metal splashing and hurt sb.'s feelings or spill rear steel bonding and damage the phenomenon of end cap and occur, it is ensured that production safety.
As optimization, described guide flange outer end face is annularly evenly distributed with the drainage trough being disposed radially.So, the molten metal of outflow can preferably radially be guided by drainage trough.
Preferably select to be that the tubaeform and adjacent bellmouth entrance that drainage trough entry position is set to extend out is connected at end cap external port.So all can be received by drainage trough and make it flow radially out by the molten metal that flows out of port perimeter whole to end cap.Drainage trough is made preferably to reach drainage effect.
As optimization, described end cap includes end cap body and is arranged at the refractory masses of end cap body the inner end face and inner surface (when being embodied as, guide flange outer end face is also equipped with refractory masses, drainage trough is formed thereon), the refractory masses surface of end cap body the inner end face is additionally provided with one layer of asbestos backing plate.As such, it is possible to improve the protective refractory of end cap, it is to avoid end cap is burned, improve protective action.
Connect as optimization, described end cap and asbestos pad board and be limited in a step of the inner side of type tube inner chamber and between the circle alignment pin that the most uniform of outer side is plugged in type tube inner ring wall pin-and-hole.
So, end cap is spacing by step and alignment pin clamping, the fixed installation of end cap can be better achieved, reach the effect of easy disassembly.
As optimization, described end cap body is by being positioned at the entirety of inner side the first steel beam column ringwise, being positioned at the entirety of medium position the second steel beam column cylindrical in shape and be positioned at the 3rd steel beam column welding ringwise of the entirety of outer fix and obtain, and described first steel beam column inner surface has an annular holding tank.
So, the production of convenient end cap body, and improve the bond strength between end cap body and refractory masses, improve end cap flameproof effect.
As optimization, described end cap inner surface also compartment of terrain convexes to form the boss of three ring shapes.So, three road boss play the effect of obstruct, can be better protected from molten metal and flow outwardly from end cap inner surface.
Further, described outermost one encloses and is provided with connection boss lateral surface on boss to the return port of medial surface, return port be obliquely installed and be positioned at the aperture of boss lateral surface for apart from type tube axle center closer to aperture, one end.
So, 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 through the return port being obliquely installed under the effect of centrifugal force component outside boss, preferably avoids molten metal excessive.
As optimization, described return port is integrally conical and is positioned at the aperture of boss lateral surface is larger diameter end.So, the change that can lean on aperture inside such return port forms pressure reduction so that molten metal in return port exit outside outlet the active force that springs up more than molten metal on boss medial surface outwardly time pour into the active force of return port, better assure that reflowing result.
As optimization, described return port is positioned at the aperture of boss lateral surface and is obliquely installed, and this orifice distance type tube axle center is positioned at more by inner position closer to edge, side, and opposite side edge is positioned at position more outward.In such manner, it is possible to ensure that the molten metal of boss lateral surface can preferably flow at return port in hole, it is to avoid molten metal crosses return port outwardly, it is ensured that reflowing result.
As optimization, described outermost one encloses the return port on boss and 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.So, molten metal is introduced in backflash, enters return port from backflash the most again, this makes it possible to better ensure that molten metal enters in return port, it is ensured that the formation of return port pressure at inlet, it is ensured that reflowing result.
In sum, this device has simple in construction, it is possible to avoid type tube to spatter steel or the advantage of bleed-out accident well.
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 at A in Fig. 1.
Fig. 3 is the side view in Fig. 1 at independent guide flange.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in further detail.
When being embodied as: as Figure 1-3, a kind of horizontal type centrifugal-casting device, including horizontally disposed type tube 1, supported by the two pairs of support rollers 2 being arranged in pairs below type tube 1 and reliable support roller is rotated, support roller 2 is connected with power set 3 and leans on it to drive, type tube 1 is provided with the overall end cap 4 in annular at internal two ends, have at described end cap 4 exterior side port and extend axially outwardly the extension that an entirety of formation is cylindrical in shape, extension outer end is outwards beyond type tube endface position, and port, extension outer end has the guide flange 5 radially extending formation, the most sheathed protective cover 6 being fixed with a hollow annular structure in port, extension outer end, 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.
So end cap exterior side port extended outward type tube port position and be provided with guide flange, when casting molten metal is after end cap mouth flows out during casting, can throw away along guide flange from radially outward, and by collected by protective cover, and then avoid molten metal splashing and hurt sb.'s feelings or spill rear steel bonding and damage the phenomenon of end cap and occur.
Wherein, described guide flange 5 outer end face is annularly evenly distributed with the drainage trough 7 being disposed radially.So, the molten metal of outflow can preferably radially be guided by drainage trough.
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.So all can be received by drainage trough and make it flow radially out by the molten metal that flows out of port perimeter whole to end cap.Drainage trough is made preferably to reach drainage effect.
Wherein, described end cap includes end cap body 41 and is arranged at the refractory masses 42(of the inner end face of end cap body 41 and inner surface when being embodied as, guide flange outer end face is also equipped with refractory masses, drainage trough is formed thereon), refractory masses 42 surface of the inner end face of end cap body 41 is additionally provided with one layer of asbestos backing plate 8.As such, it is possible to improve the protective refractory of end cap, it is to avoid end cap is burned, improve protective action.
Wherein, described end cap 4 and asbestos backing plate 8 clamping are limited in a step of the inner side of type tube inner chamber and between the circle alignment pin 9 that the most uniform of outer side is plugged in type tube inner ring wall pin-and-hole.
So, end cap is spacing by step alignment pin, and the fixed installation of end cap can be better achieved.
Wherein, described end cap body 41 is by being positioned at the entirety of inner side the first steel beam column ringwise, being positioned at the entirety of medium position the second steel beam column cylindrical in shape and be positioned at the 3rd steel beam column welding ringwise of the entirety of outer fix and obtain, and described first steel beam column inner surface has an annular holding tank.
So, the production of convenient end cap body, and improve the bond strength between end cap body and refractory masses, improve end cap flameproof effect.
Wherein, described end cap 4 inner surface also compartment of terrain convexes to form the boss 10 of three ring shapes.So, three road boss play the effect of obstruct, can be better protected from molten metal and flow outwardly from end cap inner surface.
Wherein, described outermost one encloses and is provided with connection boss lateral surface on boss to the return port 11 of medial surface, return port 11 be obliquely installed and be positioned at the aperture of boss lateral surface for apart from type tube axle center closer to aperture, one end.
So, 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 through the return port being obliquely installed under the effect of centrifugal force component outside boss, preferably avoids molten metal excessive.
Wherein, described return port 11 is integrally conical and is positioned at the aperture of boss lateral surface is larger diameter end.So, the change that can lean on aperture inside such return port forms pressure reduction so that molten metal in return port exit outside outlet the active force that springs up more than molten metal on boss medial surface outwardly time pour into the active force of return port, better assure that reflowing result.
Wherein, the aperture that described return port 11 is positioned at boss lateral surface is obliquely installed, and this orifice distance type tube axle center is positioned at more by inner position closer to edge, side, and opposite side edge is positioned at position more outward.In such manner, it is possible to ensure that the molten metal of boss lateral surface can preferably flow at return port in hole, it is to avoid molten metal crosses return port outwardly, it is ensured that reflowing result.
Wherein, described outermost one encloses the return port 11 on boss and 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.So, molten metal is introduced in backflash, enters return port from backflash the most again, this makes it possible to better ensure that molten metal enters in return port, it is ensured that the formation of return port pressure at inlet, it is ensured that reflowing result.
Therefore the present invention has simple in construction, it is simple to dismounting, can effectively reduce centrifugal casting and spatter the generation of steel accident, solve again in centrifugal casting process the protection question of the equipment such as type tube and end cap when spattering steel even bleed-out, it is ensured that the function of production safety.

Claims (10)

1. a horizontal type centrifugal-casting device, including horizontally disposed type tube, it is rotated by the two pairs of support roller supportings being arranged in pairs reliable support roller below type tube, support roller is connected with power set and leans on it to drive, type tube is provided with the overall end cap in annular at internal two ends, it is characterized in that, have at described end cap exterior side port and extend axially outwardly the extension that an entirety of formation is cylindrical in shape, extension outer end is outwards beyond type tube endface position, and port, extension outer end has the guide flange radially extending formation, the most sheathed protective cover being fixed with a hollow annular structure in port, extension outer end, described guide flange is positioned at protective cover and protective cover lateral surface center is just provided with opening to extension outer end port.
2. horizontal type centrifugal-casting device as claimed in claim 1, it is characterised in that described guide flange outer end face is annularly evenly distributed with the drainage trough being disposed radially.
3. horizontal type centrifugal-casting device as claimed in claim 1, it is characterized in that, described end cap includes end cap body and is arranged at end cap body the inner end face and the refractory masses of inner surface, and the refractory masses surface of end cap body the inner end face is additionally provided with one layer of asbestos backing plate.
4. horizontal type centrifugal-casting device as claimed in claim 3, it is characterized in that, described end cap and asbestos pad board connect and are limited in a step of the inner side of type tube inner chamber and between the circle alignment pin that the most uniform of outer side is plugged in type tube inner ring wall pin-and-hole.
5. horizontal type centrifugal-casting device as claimed in claim 3, it is characterized in that, described end cap body is by being positioned at the entirety of inner side the first steel beam column ringwise, being positioned at the entirety of medium position the second steel beam column cylindrical in shape and be positioned at the 3rd steel beam column welding ringwise of the entirety of outer fix and obtain, and described first steel beam column inner surface has an annular holding tank.
6. horizontal type centrifugal-casting device as claimed in claim 1, it is characterised in that described end cap inner surface also compartment of terrain convexes to form the boss of three ring shapes.
7. horizontal type centrifugal-casting device as claimed in claim 6, it is characterized in that, outermost one encloses and is provided with connection boss lateral surface on boss to the return port of medial surface, return port be obliquely installed and be positioned at the aperture of boss lateral surface for apart from type tube axle center closer to aperture, one end.
8. horizontal type centrifugal-casting device as claimed in claim 7, it is characterised in that described return port is integrally conical and is positioned at the aperture of boss lateral surface is larger diameter end.
9. horizontal type centrifugal-casting device as claimed in claim 7, it is characterized in that, described return port is positioned at the aperture of boss lateral surface and is obliquely installed, and this orifice distance type tube axle center is positioned at more by inner position closer to edge, side, and opposite side edge is positioned at position more outward.
10. horizontal type centrifugal-casting device as claimed in claim 7, it is characterized in that, described outermost one encloses the return port on boss and 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.
CN201510049068.3A 2015-01-30 2015-01-30 A kind of horizontal type centrifugal-casting device Active CN104550818B (en)

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KR20130024198A (en) * 2011-08-30 2013-03-08 현대제철 주식회사 Stand for heating molten steel injection pipe of horizontal cenrifugal casting machine
CN203140718U (en) * 2013-03-19 2013-08-21 滨州亚泰雅德动力配件有限公司 Centrifugal casting machine protective cover
CN203664612U (en) * 2013-12-27 2014-06-25 湘潭高耐合金制造有限公司 Horizontal centrifugal casting machine for manufacturing continuous casting and rolling thin plate conveying roller

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Effective date of registration: 20210309

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.