CN208261786U - A kind of device for eliminating artificial sand apparent pore - Google Patents
A kind of device for eliminating artificial sand apparent pore Download PDFInfo
- Publication number
- CN208261786U CN208261786U CN201820730334.8U CN201820730334U CN208261786U CN 208261786 U CN208261786 U CN 208261786U CN 201820730334 U CN201820730334 U CN 201820730334U CN 208261786 U CN208261786 U CN 208261786U
- Authority
- CN
- China
- Prior art keywords
- impregnant
- tank
- artificial sand
- infiltration
- control valve
- 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.)
- Active
Links
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The utility model discloses a kind of devices for eliminating artificial sand apparent pore, the device includes infiltration jar and impregnant tank, and the infiltration jar and impregnant tank forms a circulatory system by pipeline, is provided with pumped vacuum systems, compression system and exhaust valve on the infiltration jar.The pumped vacuum systems includes third control valve, vacuum tank and vacuum pump, is provided with first pressure gauge on the vacuum tank.The compression system includes gas source, the first pressure reducing valve, second pressure gauge and the 4th control valve.Also disclose a kind of method for eliminating artificial sand apparent pore.The method of the artificial sand apparent pore of the elimination combines vacuum infiltration with Pressure Infiltration, it is ensured that the effect that artificial sand shows gas is eliminated in infiltration, improves Production Practice of Casting Technologies.
Description
Technical field
The utility model relates to casting technology field, specifically a kind of device for eliminating artificial sand apparent pore and side
Method.
Background technique
Sand casting is the major processes of castings production, accounts for casting total yield by the casting that sand casting process produces
80% or more of amount.Sand is the aggregate that casting mold and fuse are formed in sand casting, is important sand casting Modeling Material,
Its physical and chemical properties determine its Production Practice of Casting Technologies, affect the quality of casting.
Roughing sand used in casting industry sand casting is mainly quartz sand, but since its thermal expansivity is big, is aoxidized in metal
Thermo-chemical stability is poor under object acts on, and casting is also easy to produce the casting flaws such as scab, vein, rough surface, and therefore, quartz sand is not
Modeling Material is used in ideal casting.In order to meet the requirement for producing high-end casting, sometimes have to adopt in foundry production
Quartz sand is replaced to carry out moulding or coremaking with special sands such as zircon sand, chromite sand, forsterite sands.Special sand shortage of resources,
It is expensive, it is difficult to it is a large amount of to use, and there are radiological safety hidden danger for zircon sand, and there are particle shapes for chromite sand, forsterite sand
It is bad, the problems such as percentage of damage is high.
Foundry Production bring problem is given in order to crack casting model powder, artificial casting sand comes into being.But with artificial sand
Extensive application, founder author finder, which makes apparent pore existing for sand, influences its Production Practice of Casting Technologies, eliminates the aobvious of artificial sand
The Production Practice of Casting Technologies of stomata sand artificial for raising has great importance and engineering application value.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of device and method for eliminating artificial sand apparent pore, the elimination
The method of artificial sand apparent pore combines vacuum infiltration with Pressure Infiltration, it is ensured that the effect of artificial sand apparent pore is eliminated in infiltration
Fruit improves its Production Practice of Casting Technologies.
The technical solution adopted by the utility model to solve its technical problems is that:
A kind of device for eliminating artificial sand apparent pore, including infiltration jar and impregnant tank, and the infiltration jar and infiltration
Agent tank forms a circulatory system by pipeline, is provided with pumped vacuum systems, compression system and exhaust valve on the infiltration jar；
The pumped vacuum systems includes third control valve, vacuum tank and vacuum pump, and is provided on the vacuum tank
One pressure gauge；
The compression system includes gas source, the first pressure reducing valve, second pressure gauge and the 4th control valve.
Further, the liquid back pipe road between the impregnant tank and infiltration jar is provided with the first control valve, the leaching
Impregnant circulating pump and the second control valve, position in the infiltration jar are provided in inlet pipe between penetration enhancer tank and infiltration jar
Impregnant exit is provided with strainer.
Further, the strainer is set to the top of the lower cover of infiltration jar, and the liquid back pipe road passes through lower end
Lid is connected with infiltration jar.
Further, the front end of the inlet pipe is provided with filter.
Further, check-valves is provided in the inlet pipe.
Further, upper spacer and lower clapboard, and the upper spacer and lower clapboard are provided in the impregnant tank
Make the S-type flowing of impregnant in the impregnant tank.
Further, the third control valve front end is located on the pipeline of the pumped vacuum systems and is provided with air filter.
Further, the rear end on the pipeline of the pumped vacuum systems positioned at the vacuum pump is provided with steam-water separator.
Further, pressurization bye-pass has been arranged in parallel on the pipeline of the compression system, on the pressurization bye-pass
It is provided with the second pressure reducing valve, third pressure gauge and the 5th control valve.
A method of artificial sand apparent pore is eliminated, is included the following steps,
The first step adjusts the outlet pressure of the first pressure reducing valve and the second pressure reducing valve；
The sand that need to be handled, closed infiltration jar are added into infiltration jar for second step；
Third step starts vacuum pump, and opens third control valve, vacuumizes to the infiltration jar for being packed into artificial sand, makes first
The registration of pressure gauge maintains 0.1~3000Pa, pressure maintaining 5min~25min；
4th step closes third control valve and vacuum pump, starts the second control valve and impregnant delivery pump, into infiltration jar
Impregnant is inputted, so that impregnant was not had artificial sand 10mm or more, closes the second control valve after required impregnant height to be achieved
With impregnant delivery pump；
5th step opens gas source and the 4th control valve, compressed air, and pressure maintaining 5min~25min is passed through into infiltration jar；
6th step closes the 4th control valve, opens exhaust valve, the row of closing when the pressure in infiltration jar is reduced to atmospheric pressure
Air valve；
7th step opens the first control valve and the 5th control valve, compressed air is passed through into infiltration jar, until in infiltration jar
Impregnant be all discharged into impregnant tank, be then shut off the 5th control valve and the first control valve；
8th step opens exhaust valve, when being reduced to atmospheric pressure wait infiltrate pressure inside the tank, opens lower cover and falls artificial sand
Out, it is then shut off lower cover；
9th step, to infiltration, treated that artificial sand cleans, drying.
The beneficial effects of the utility model are:
1. vacuum infiltration is the minimum gas made in artificial sand discharge apparent pore by using the mode vacuumized, to make
Impregnant is infiltrated up in apparent pore, and Pressure Infiltration is pressed into impregnant by way of pressurization in the apparent pore of artificial sand,
The present apparatus and method combine vacuum infiltration with Pressure Infiltration, it is ensured that the effect that artificial sand shows gas is eliminated in infiltration.
2. effectively preventing dust to vacuum system tape by the way that air filter is arranged at the air flow inlet end of pumped vacuum systems
The adverse effect come.
3. the method being dehydrated when dischargeing the impregnant in infiltration jar using air pressure remains after can effectively removing infiltration
In the impregnant of sand grain surface.
4. making the S-type stream of the impregnant flowed back to from infiltration jar by the way that upper spacer and lower clapboard are arranged in impregnant tank
It is dynamic, so that the mud point that impregnant is brought into from sand settles down, keep the cleaning of impregnant.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1- steam-water separator, 2- vacuum pump, 3- vacuum tank, 4- first pressure gauge, 5- air filter, 6- third control
Valve processed, 7- inlet pipe, 8- upper end cover, 9- infiltration jar, 10- exhaust valve, the 4th control valve of 11-, 12- second pressure gauge, 13-
One pressure reducing valve, 14- gas source, the 5th control valve of 15-, 16- third pressure gauge, the second pressure reducing valve of 17-, 18- lower cover, 19- return liquid
Pipeline, the first control valve of 20-, 21- filter, 22- check-valves, 23- impregnant fluid reservoir, 24- lower clapboard, 25- upper spacer,
26- impregnant delivery pump, the second control valve of 27-.
Specific embodiment
As shown in Figure 1, a kind of device for eliminating artificial sand apparent pore includes infiltration jar 9 and impregnant tank 23, and described
Infiltration jar 9 and impregnant tank 23 pass through pipeline one impregnant circulatory system of formation.It is provided with and vacuumizes on the infiltration jar 9
System and compression system.
As shown in Figure 1, the infiltration jar 9 includes tank body, the upper end of the tank body is provided with upper end cover 8, the tank body
Lower end be provided with lower cover 18, the liquidometer for detecting impregnant liquid level is provided in the tank body.
The liquid return hole and liquid outlet of the impregnant tank 23 pass through liquid back pipe road 19 and inlet pipe 7 and the leaching respectively
Tank 9 is seeped to be connected.The first control valve 20 for controlling 19 on-off of liquid back pipe road is provided on the liquid back pipe road 19.It is described
Inlet pipe 7 on be provided with impregnant circulating pump and the second control valve 27 for controlling 7 on-off of inlet pipe.The leaching
It seeps in tank 9 and impregnant exit is provided with the strainer for only impregnant being allowed to pass through.
As a kind of specific embodiment, strainer described in the present embodiment is set to the top of the lower cover 18, institute
The liquid back pipe road 19 stated is connected by lower cover 18 with the infiltration jar 9.
Further, in order to avoid the impurity in impregnant is come back in infiltration jar 9 by inlet pipe 7, such as Fig. 1 institute
Show, the front end (using the direction of impregnant flowing as rear) of the inlet pipe 7 is provided with for being filtered to impregnant
Filter 21.
Further, the impregnant in infiltration jar 9 is flowed back by inlet pipe 7 in order to prevent, in the inlet pipe 7
It is provided with check-valves 22.
Further, as shown in Figure 1, the interior liquid return hole for being located at the impregnant tank 23 of the impregnant tank 23 and out liquid
It is provided with upper spacer 25 and lower clapboard 24 between mouthful, and the upper spacer 25 and lower clapboard 24 makes in the impregnant tank 23
The S-type flowing of impregnant.As a kind of specific embodiment, the liquid return hole of impregnant tank described in the present embodiment 23 is set to institute
The left side of 23 upper surface of impregnant tank is stated, the liquid outlet of the impregnant tank 23 is set to the right side of 23 upper surface of impregnant tank
Side, and the filter 21 extends to the bottom of the impregnant tank 23 by inlet pipe 7.The upper spacer 25 is arranged
It in the upper surface of the impregnant tank 23, and is extended downwardly from upper surface, the lower end of the upper spacer 25 is hanging.Under described every
Plate 24 is located at the right side of the upper spacer 25, is set to the lower end surface of the impregnant tank 23, and upwardly extend from lower end surface, institute
The upper end for stating lower clapboard 24 is hanging.
As shown in Figure 1, the pumped vacuum systems successively includes third control valve 6, vacuum tank 3 along the flow direction of air-flow
With vacuum pump 2, the first pressure gauge 4 for detecting vacuum degree is provided on the vacuum tank 3.
Further, in order to avoid the adverse effect that dust brings vacuum system, on the pipeline of the pumped vacuum systems
6 front end of third control valve (using the flow direction of air-flow as rear) is provided with air filter 5.As a kind of specific reality
Mode is applied, air filter 5 described in the present embodiment uses strainer.
Further, the rear end on the pipeline of the pumped vacuum systems positioned at the vacuum pump 2 is provided with steam-water separator
1。
Herein, the air filter 21 and steam-water separator 1 are the prior art, and details are not described herein.
The compression system successively includes gas source 14, the first pressure reducing valve 13, second pressure gauge along the flow direction of air-flow
12 and the 4th control valve 11.
Further, as shown in Figure 1, being arranged in parallel pressurization bye-pass on the pipeline of the compression system, described adds
The second pressure reducing valve 17, third pressure gauge 16 and the 5th control valve 15 are disposed with along the flow direction of air-flow on pressure bye-pass.
The main reason for being arranged in this way is that, when carrying out Pressure Infiltration and removing impregnant, the pressure applied into infiltration jar 9 is different
, if needing to carry out the first pressure reducing valve 13 tune again during actual use only with single main forcing pipe road
Section is unfavorable for realizing the automation control of equipment.
It is provided with exhaust valve 10 on the infiltration jar 9, as a kind of specific embodiment, row described in the present embodiment
Air valve 10 is set to the pipeline of the compression system, and is located at the rear end (direction flowed with air-flow of the 4th control valve 11
For rear).
A method of eliminating artificial sand apparent pore, comprising the following steps:
The first step, the outlet pressure for adjusting the first pressure reducing valve 13 is 0.5MPa~0.8MPa, adjusts the second pressure reducing valve 17
Outlet pressure is 0.1MPa~0.5MPa；
Second step opens upper end cover 8 and the sand that need to be handled is added into infiltration jar 9, stops when sand reaches required material position
Only plus sand, upper end cover 8 is closed；
Third step starts vacuum pump 2, and opens third control valve 6, vacuumizes to the infiltration jar 9 for being packed into artificial sand, makes the
The registration of one pressure gauge 4 maintains 0.1~3000Pa, pressure maintaining 5min~25min；
4th step closes third control valve 6 and vacuum pump 2, the second control valve 27 and impregnant delivery pump 26 is opened, to leaching
It seeps in tank 9 and inputs impregnant, impregnant is made not have artificial sand 10mm or more, reach after required impregnant height and close the second control
Valve 27 and impregnant delivery pump 26；
5th step opens gas source 14 and the 4th control valve 11, is passed through compressed air into infiltration jar 9, and pressure maintaining 5min~
25min；
6th step closes the 4th control valve 11, opens exhaust valve 10, the pass when pressure in infiltration jar is reduced to atmospheric pressure
Close exhaust valve 10；
7th step opens the first control valve 20 and the 5th control valve 15, is passed through compressed air into infiltration jar 9, until leaching
The impregnant seeped in tank 9 is all discharged into impregnant tank 23, is then shut off the 5th control valve 15 and the first control valve 20；
8th step opens exhaust valve 10, and when pressure is reduced to atmospheric pressure in infiltration jar 9, opening lower cover 18 will be artificial
Sand is poured out, and lower cover 18 is then shut off；
9th step, to infiltration, treated that artificial sand cleans, drying.
Claims (9)
1. a kind of device for eliminating artificial sand apparent pore, it is characterised in that: including infiltration jar and impregnant tank, and the infiltration
Tank and impregnant tank form a circulatory system by pipeline, are provided with pumped vacuum systems, compression system on the infiltration jar
And exhaust valve；
The pumped vacuum systems includes third control valve, vacuum tank and vacuum pump, and the first pressure is provided on the vacuum tank
Power table；
The compression system includes gas source, the first pressure reducing valve, second pressure gauge and the 4th control valve.
2. a kind of device for eliminating artificial sand apparent pore according to claim 1, it is characterised in that: the impregnant tank and
Liquid back pipe road between infiltration jar is provided with the first control valve, sets in the inlet pipe between the impregnant tank and infiltration jar
It is equipped with impregnant circulating pump and the second control valve, is located at impregnant exit in the infiltration jar and is provided with strainer.
3. a kind of device for eliminating artificial sand apparent pore according to claim 2, it is characterised in that: the strainer setting
In the top of the lower cover of infiltration jar, the liquid back pipe road is connected by lower cover with infiltration jar.
4. a kind of device for eliminating artificial sand apparent pore according to claim 2, it is characterised in that: the inlet pipe
Front end is provided with filter.
5. a kind of device for eliminating artificial sand apparent pore according to claim 2, it is characterised in that: the inlet pipe
On be provided with check-valves.
6. a kind of device for eliminating artificial sand apparent pore according to claim 1, it is characterised in that: the impregnant tank
It is inside provided with upper spacer and lower clapboard, and the upper spacer and lower clapboard makes the S-type stream of impregnant in the impregnant tank
It is dynamic.
7. a kind of device for eliminating artificial sand apparent pore according to claim 1, it is characterised in that: the pumped vacuum systems
Pipeline on be located at the third control valve front end be provided with air filter.
8. a kind of device for eliminating artificial sand apparent pore according to claim 1, it is characterised in that: the pumped vacuum systems
Pipeline on be located at the vacuum pump rear end be provided with steam-water separator.
9. a kind of device for eliminating artificial sand apparent pore according to claim 1, it is characterised in that: the compression system
It has been arranged in parallel pressurization bye-pass on pipeline, the second pressure reducing valve, third pressure gauge and are provided on the pressurization bye-pass
Five control valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820730334.8U CN208261786U (en) | 2018-05-09 | 2018-05-09 | A kind of device for eliminating artificial sand apparent pore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820730334.8U CN208261786U (en) | 2018-05-09 | 2018-05-09 | A kind of device for eliminating artificial sand apparent pore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208261786U true CN208261786U (en) | 2018-12-21 |
Family
ID=64682878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820730334.8U Active CN208261786U (en) | 2018-05-09 | 2018-05-09 | A kind of device for eliminating artificial sand apparent pore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208261786U (en) |
-
2018
- 2018-05-09 CN CN201820730334.8U patent/CN208261786U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107249784B (en) | Casting device and casting method | |
| CN208261786U (en) | A kind of device for eliminating artificial sand apparent pore | |
| CN108339933A (en) | A kind of device and method for eliminating artificial sand apparent pore | |
| CN201357220Y (en) | Anti-gravity casting device | |
| CN104107901B (en) | Vacuum differential pressure impregnation device and process for casting | |
| CN206700968U (en) | A kind of low pressure nitrogen penetrates into mouth buffering filter | |
| CN207971393U (en) | Crushing wall water flowing sandbox | |
| CN204108288U (en) | A kind of vacuum differential pressure Impregnation apparatus of foundry goods | |
| CN207019966U (en) | Unconventional reservoir rock multi phase state material saturation device | |
| CN108772555B (en) | Explosion-proof device of vacuum suction casting chamber and control method thereof | |
| CN208495763U (en) | A kind of metal-mold low-pressure casting mold | |
| CN209632802U (en) | A kind of engine casting dedicated exhaust treatment system of cylinder body shot-blasting machine | |
| CN206702171U (en) | A kind of evaporative pattern sandbox mold compacting device | |
| CN206839145U (en) | A kind of hardware casting foundry furnace | |
| CN106180598A (en) | The control nitrogen pouring procedure of a kind of nitrogenous steel ingot and running gate system | |
| JPH02104461A (en) | Vacuum anti-gravity type casting device and method for casting thin part | |
| CN208274758U (en) | A kind of capsule filling machine fines collection device | |
| CN219032303U (en) | Oil removal tower for discharging active carbon by wind stirring | |
| CN217990908U (en) | Ultrahigh-precision control system for low-pressure casting | |
| CN105268596B (en) | A kind of hole sealing device and workpiece hole-sealing technology | |
| CN203791586U (en) | Metal sand box with filter net and used for casting valve | |
| DE60200838T2 (en) | CASTING DEVICE FOR MANUFACTURING METAL CAST PIECES IN THE FULL-MOLDING PROCESS | |
| CN107349712A (en) | A kind of vacuum pressure infiltration filtering tank body | |
| CN204504176U (en) | A kind of environment-friendly type vacuum plant | |
| CN209735197U (en) | Die-casting vacuum-pumping filter device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |