CN206316365U - The anti-overflow streaming system of counter-pressure casting machine - Google Patents
The anti-overflow streaming system of counter-pressure casting machine Download PDFInfo
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- CN206316365U CN206316365U CN201621218077.7U CN201621218077U CN206316365U CN 206316365 U CN206316365 U CN 206316365U CN 201621218077 U CN201621218077 U CN 201621218077U CN 206316365 U CN206316365 U CN 206316365U
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Abstract
The utility model discloses a kind of anti-overflow streaming system of counter-pressure casting machine, the problem of aluminium alloy for solving the overflow in counter-pressure casting machine is easily destroyed lower furnace body seal.It is included in and reaches blast pipe on the outside of body of heater（7）Afterbody be connected with closed EL（8）, in closed EL（8）Bottom be provided with bleed valve（9）, closed EL inner top is provided with screen pack（10）, closed EL top is provided with closed EL steam vent（11）, in closed EL steam vent（11）On be provided with air bleeding valve（12）, in median septum（3）Steam vent（6）On be provided with steam vent protective cover（13）, in steam vent protective cover（13）Air admission hole is provided with the top of lateral wall（14）, in steam vent protective cover（13）Inner side be provided with anti-overflow ring baffle（15）.Damage of the overflow to air bleeding valve can be greatly reduced, the security of production is improved.
Description
Technical field
The present invention relates to a kind of counter-pressure casting machine, the Anti-overflow device in more particularly to a kind of counter-pressure casting machine.
Background technology
Counter-pressure casting machine is a kind of equipment cast using pressure differential, and its structure is closed upper furnace body and lower stove
Body, it is different by the pressure difference of upper and lower body of heater, realize that the aluminium alloy in lower furnace body in crucible enters upper furnace body by drainage tube
In sand mold, the casting of workpiece is completed.Be provided with the steam vent with upper furnace body UNICOM on median septum, steam vent by blast pipe with
Air bleeding valve connection on the outside of body of heater, in casting process, opening air bleeding valve makes upper furnace body pressure be reduced to technological requirement value, so that
The aluminium alloy formed in the pressure differential of upper and lower body of heater, crucible enters the sand mold of upper furnace body along drainage tube in the presence of negative pressure
In, complete casting process.During completion is cast, the gas of upper furnace body will discharge pressure by steam vent and air bleeding valve
Strength body, because, containing fine sand and aluminium alloy volatilization particle, these granular solids enter air bleeding valve with gas in pressed gas
Afterwards, air bleeding valve failure is easily caused, the driving of normal exhaust valve is broken down, causes casting to be scrapped.In addition, in casting process
In, often there is aluminium alloy overflow, runout, roof fall etc. in sandbox in out-of-flatness or sand mold leakiness due to sand mold faying face
Phenomenon, can cause aluminium alloy and sand lump that overflow goes out to enter in steam vent and blocked, have influence on the row of normal casting process
Airway dysfunction, causes median septum to scrap.When overflow is serious, the aluminium alloy of overflow can flow to upper and lower body of heater joint portion, cause,
Lower furnace body can not be opened, and destroyed upper and lower body of heater seal, caused equipment scrapping.
The content of the invention
The invention provides a kind of anti-overflow streaming system of counter-pressure casting machine, the aluminium alloy of the overflow in counter-pressure casting machine is solved
It is easily destroyed the technical problem of lower furnace body seal.
The present invention is to solve above technical problem by the following technical programs：
A kind of anti-overflow streaming system of counter-pressure casting machine, including lower furnace body, upper furnace body, median septum, drainage tube, casting sand box and earthenware
Crucible, is provided with upper furnace body steam vent on median septum, and blast pipe is connected with upper furnace body steam vent, is reaching on the outside of body of heater
The afterbody of blast pipe be connected with closed EL, the bottom of closed EL is provided with bleed valve, in closed EL
Top is provided with screen pack, and closed EL top is provided with closed EL steam vent, on closed EL steam vent
Air bleeding valve is provided with, steam vent protective cover is provided with the steam vent on median septum, at the top of steam vent protective cover lateral wall
Air admission hole is provided with, anti-overflow ring baffle is provided with the inside of steam vent protective cover.
The air admission hole set at the top of steam vent protective cover lateral wall is above anti-overflow ring baffle, anti-overflow annular
Baffle plate is welded on median septum 3.
The air bleeding valve of present invention frequency of use during whole counter-pressure casting is high, and directly affects casting product quality,
By the anti-overflow streaming system of counter-pressure casting machine, damage of the overflow to air bleeding valve can be greatly reduced, the security of production, reduction is improved
Production cost.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings：
A kind of anti-overflow streaming system of counter-pressure casting machine, including lower furnace body 1, upper furnace body 2, median septum 3, drainage tube 4, casting sand box
16 and crucible 5, upper furnace body steam vent 6 is provided with median septum 3, blast pipe 7 is connected with upper furnace body steam vent 6, is being stretched
The afterbody of the blast pipe 7 gone out on the outside of body of heater is connected with closed EL 8, and the bottom of closed EL 8 is provided with bleed valve
9, closed EL inner top is provided with screen pack 10, closed EL top is provided with closed EL steam vent 11,
Air bleeding valve 12 is provided with closed EL steam vent 11, steam vent protective cover is provided with the steam vent 6 on median septum 3
13, air admission hole 14 is provided with the top of the lateral wall of steam vent protective cover 13, is provided with the inner side of steam vent protective cover 13 anti-overflow
Flow ring baffle 15.
The air admission hole 14 set at the top of the lateral wall of steam vent protective cover 13 is above anti-overflow ring baffle 15, anti-overflow
Stream ring baffle 15 is electric welding on median septum 3.
After the casting accidents such as sandbox overflow, artillery fire, roof fall occur for casting process, alloy solution can be blocked in anti-overflow
In ring baffle 15.Even if having the little particle alloy or sand grains of sputtering, it will not also block steam vent 6 or enter upper furnace body 2 with
In the joint portion gap of body of heater 1, the phenomenon that can not open equipment is caused to occur.The little particle alloy or sand grains of sputtering can be closed
By under filter in screen pack 10 in EL 8, in the conical pipe for falling into lower section, it is cleaned, is protected by periodically opening bleed valve 9
Air bleeding valve 12.
Claims (2)
1. a kind of anti-overflow streaming system of counter-pressure casting machine, including lower furnace body（1）, upper furnace body（2）, median septum（3）, drainage tube（4）, casting
Part sandbox（16）And crucible（5）, in median septum（3）On be provided with upper furnace body steam vent（6）, in upper furnace body steam vent（6）Upper company
It is connected to blast pipe（7）, it is characterised in that reaching the blast pipe on the outside of body of heater（7）Afterbody be connected with closed EL
（8）, in closed EL（8）Bottom be provided with bleed valve（9）, closed EL inner top is provided with screen pack（10）,
Closed EL top is provided with closed EL steam vent（11）, in closed EL steam vent（11）On be provided with exhaust
Valve（12）, in median septum（3）Steam vent（6）On be provided with steam vent protective cover（13）, in steam vent protective cover（13）Outside
Air admission hole is provided with the top of wall（14）, in steam vent protective cover（13）Inner side be provided with anti-overflow ring baffle（15）.
2. a kind of anti-overflow streaming system of counter-pressure casting machine according to claim 1, it is characterised in that in steam vent protective cover
（13）The air admission hole set at the top of lateral wall（14）It is above anti-overflow ring baffle（15）, anti-overflow ring baffle（15）It is
It is welded on median septum（3）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218077.7U CN206316365U (en) | 2016-11-12 | 2016-11-12 | The anti-overflow streaming system of counter-pressure casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218077.7U CN206316365U (en) | 2016-11-12 | 2016-11-12 | The anti-overflow streaming system of counter-pressure casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206316365U true CN206316365U (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621218077.7U Active CN206316365U (en) | 2016-11-12 | 2016-11-12 | The anti-overflow streaming system of counter-pressure casting machine |
Country Status (1)
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| CN (1) | CN206316365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392039A (en) * | 2016-11-12 | 2017-02-15 | 山西江淮重工有限责任公司 | Overflow-preventing system for counter-pressure casting machine |
-
2016
- 2016-11-12 CN CN201621218077.7U patent/CN206316365U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392039A (en) * | 2016-11-12 | 2017-02-15 | 山西江淮重工有限责任公司 | Overflow-preventing system for counter-pressure casting machine |
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