CN204108288U - A kind of vacuum differential pressure Impregnation apparatus of foundry goods - Google Patents
A kind of vacuum differential pressure Impregnation apparatus of foundry goods Download PDFInfo
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- CN204108288U CN204108288U CN201420440541.1U CN201420440541U CN204108288U CN 204108288 U CN204108288 U CN 204108288U CN 201420440541 U CN201420440541 U CN 201420440541U CN 204108288 U CN204108288 U CN 204108288U
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Abstract
The utility model discloses a kind of vacuum differential pressure Impregnation apparatus of foundry goods, foundry goods has chamber, the wall of chamber exists seepage hole, chamber arranges one and flows into port and an outflow port, vacuum differential pressure Impregnation apparatus comprises device of impregnation, device of impregnation comprises infiltration vacuum tank, infiltration vacuum tank is provided with inlet opening and fluid hole, the inner side port of inlet opening is connected with the first water influent pipeline be built in infiltration vacuum tank, the inner side port of fluid hole is connected with the first fluid pipeline be built in infiltration vacuum tank, the free end of the first water influent pipeline is set to be connected with inflow port match, the free end of the first fluid pipeline is set to mate with outflow port and is connected, can infiltrate to the die cavity of seepage targetedly, improve infiltration qualification rate, and foundry goods is not entirety is immersed in impregnant, without the need to cleaning whole foundry goods after having infiltrated, enhancing productivity, having reduced impregnant loss, be convenient to automated production and technological parameter is stablized.
Description
Technical field
The utility model relates to a kind of vacuum differential pressure Impregnation apparatus of foundry goods.
Background technology
Impregnation technology infiltrates porous workpiece under utilizing impregnant pressure to reach through curing reaction the order that plugs the gap, and impregnation technology is modern development in science and technology new technology.
Since the seventies, energy crisis occurs, impels automobile to develop to lightness, and many cast iron members are replaced by the light metals such as aluminium, magnesium, zinc and alloy material thereof, alleviate vehicle weight, reduce energy resource consumption, improve vehicle operation performance.But light metal casting easily produces micropore, cause pressurized casting leakage, meanwhile, powder metallurgy sintered extensive use, saves material and machining expense further.Porous material leakage problem is anxious to be resolved, facilitates impregnation technology demand.Development of chemical industry simultaneously, facilitate again impregnant research and development, of a great variety, of many uses, function admirable impregnant constantly occurs, released one after another polyester-type second generation impregnant and anaerobic type, thermosetting acrylate type third generation impregnant.Infiltration process and Infiltration Technics constantly arrive improvement, and Impregnation apparatus is to maximization, semi-automatic development, and promoted impregnation technology extensive use further, impregnation technology is approved by industrially-advanced country's military project and sophisticated technology department.Impregnation technology is applied, and has promoted many labyrinth design thin-walled properties.Now more external enterprises using impregnation technology as indispensable production process in a design means and castings production, and advocate to infiltrate full process to foundry goods.Infiltration efficiency is high, and infiltration process obvious economic, and this skilled industry widelys popularize value in producing to have made people recognize.
For solving the high problem of casting wasted product rate, the main overall infiltration process of vacuum pressed that adopts is repaired both at home and abroad at present, be exactly impregnant is penetrated in the micropore of foundry goods under certain condition, after overcuring, make the filler infiltrated in hole be connected with foundry goods hole inwall, block micropore, make part can meet the technology of the conditions such as pressurization, antiseepage and leakproof, the application of this technology makes the qualification rate of foundry goods reach more than 90%.Existing vacuum pressed Infiltration Technics process is generally first loaded by foundry goods in special infiltration basket, then infiltration jar is hung in, airtight infiltration cover, suction is to certain value and continue for some time, to extract the air of casting defect inside out, inject impregnant, due to capillarity, impregnant penetrates into the hole of casting defect, then passes into the compressed air of certain value pressure and continues for some time, make impregnant fill up hole, and fully combine with its surface.Foundry goods after infiltration hardens through cleaning, drying, make impregnant, thus thoroughly solves seepage and surface micropore problem.
Existing vacuum pressed Infiltration Technics, due to when the pressure (negative pressure, pressurization) of casting leakage hole both sides is impartial, makes impregnant cannot well penetrate in hole or the top layer of hole can only be infiltrated, in cleaning process, make impregnant flow out, cause remedying inefficacy.In addition, owing to being be immersed in impregnant by foundry goods entirety, after infiltration, foundry goods need clean whole foundry goods, and production efficiency is low, and impregnant loss is larger.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of vacuum differential pressure pulse Impregnation apparatus, can infiltrate to the die cavity of seepage targetedly, improves infiltration qualification rate; And foundry goods is not entirety is immersed in impregnant, without the need to cleaning whole foundry goods after having infiltrated, enhancing productivity, having reduced impregnant loss, be convenient to automated production and technological parameter is stablized.
To achieve the above object of the invention, the technical solution adopted in the utility model is: a kind of vacuum differential pressure Impregnation apparatus of foundry goods, described foundry goods has chamber, the wall of described chamber exists seepage hole, described chamber arranges one and flows into port and an outflow port, described vacuum differential pressure Impregnation apparatus comprises device of impregnation, described device of impregnation comprises infiltration vacuum tank, described infiltration vacuum tank connection is provided with vavuum pump, described infiltration vacuum tank is provided with inlet opening and fluid hole, the inner side port of described inlet opening is connected with the first water influent pipeline be built in described infiltration vacuum tank, the inner side port of described fluid hole is connected with the first fluid pipeline be built in described infiltration vacuum tank, the free end of described first water influent pipeline is set to be connected with described inflow port match, the free end of described first fluid pipeline is set to mate with described outflow port and is connected.
Further technical scheme, described device of impregnation also comprises impregnant storage box, the outside port of described inlet opening is communicated with described impregnant storage box by the second water influent pipeline, the outside port of described fluid hole, by impregnant storage box described in the second fluid pipeline connection, described second water influent pipeline is provided with impregnant pump.
Further technical scheme, described second water influent pipeline is also provided with booster pump.
Further technical scheme, the gas circuit of described booster pump is also provided with impulse electromagnetic valve.
Further technical scheme, described vacuum differential pressure Impregnation apparatus also comprises blowning installation, described blowning installation comprises compressed gas source and is communicated with described compressed gas source the air inlet pipeline arranged, the outside port of described inlet opening is communicated with air inlet pipeline is dismountable with described second water influent pipeline respectively, the outside port of described fluid hole and described second fluid pipeline connection.
Further technical scheme, described vacuum differential pressure Impregnation apparatus also comprises cleaning device, described cleaning device comprises rinse water storage box, the inlet pipeline and outlet pipeline that arrange is communicated with described rinse water storage box, described inlet pipeline is provided with flushing water pump, the outside port of described fluid hole is communicated with described second water influent pipeline is dismountable, the outside port of described inlet opening is also communicated with described inlet pipeline is dismountable, when the outside port of described inlet opening is communicated with the second water influent pipeline or air inlet pipeline, the outside port of described fluid hole and described second fluid pipeline connection, when the outside port of described inlet opening is communicated with described inlet pipeline, the outside port of described fluid hole is communicated with described outlet pipeline.
Because technique scheme is used, the utility model compared with prior art has following advantages: vacuum differential pressure pulse Impregnation apparatus and technique disclosed in the utility model, owing to arranging certain pressure reduction inside and outside chamber, can infiltrate to the chamber of seepage targetedly, improve infiltration qualification rate; And due to foundry goods be not that entirety is immersed in impregnant, without the need to cleaning whole foundry goods after having infiltrated, can (foundry goods does not take out in vacuum tank) clean foundry goods chamber online, enhance productivity, the loss of minimizing impregnant, is convenient to automated production and technological parameter is stablized, and therefore practicality is better, be easy to apply, there is larger practical value.
Accompanying drawing explanation
Fig. 1 is the structural representation of vacuum pressure reduction Impregnation apparatus disclosed in the utility model embodiment one;
Fig. 2 is the structural representation of vacuum pressure reduction Impregnation apparatus disclosed in the utility model embodiment two;
Fig. 3 is the structural representation of vacuum pressure reduction Impregnation apparatus disclosed in the utility model embodiment three;
Fig. 4 is the structural representation of vacuum pressure reduction Impregnation apparatus disclosed in the utility model embodiment four.
Wherein, 1, foundry goods; 11, chamber; 111, seepage hole; 12, port is flowed into; 13, outflow port; 21, infiltrate vacuum tank; 211, inlet opening; 212, fluid hole; 22, impregnant storage box; 221, upper impregnant pump; 222, booster pump; 31, the first water influent pipeline; 32, the first fluid pipeline; 33, the second water influent pipeline; 34, the second fluid pipeline; 41, compressed gas source; 42, air inlet pipeline; 51, rinse water storage box; 52, inlet pipeline; 521, supernatant water pump; 53, outlet pipeline.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment one:
See Fig. 1, as shown in legend wherein, a kind of vacuum differential pressure Impregnation apparatus of foundry goods, foundry goods 1 has chamber 11, the wall of chamber 11 exists seepage hole 111, chamber 11 arranges one and flows into port one 2 and an outflow port 13, above-mentioned vacuum differential pressure Impregnation apparatus comprises a device of impregnation, this device of impregnation comprises infiltration vacuum tank 21 and impregnant storage box 22, the connection of infiltration vacuum tank 21 is provided with vavuum pump (depending on not going out in figure), impregnant storage box 22 connection is provided with impregnant pump 221, infiltration vacuum tank 21 is provided with inlet opening 211 and fluid hole 212, the inner side port of inlet opening 211 is connected with the first water influent pipeline 31 be built in infiltration vacuum tank 21, the inner side port of fluid hole 212 is connected with the first fluid pipeline 32 be built in infiltration vacuum tank 21, the free end of the first water influent pipeline 31 is set to mate with inflow port one 2 and is connected, the free end of the first fluid pipeline 32 is set to mate with outflow port 13 and is connected, the outside port of inlet opening 211 is communicated with upper impregnant pump 221 by the second water influent pipeline 33, the outside port of fluid hole 212 is communicated with impregnant storage box 22 by the second fluid pipeline 34.
Introduce a kind of vacuum differential pressure Infiltration Technics of foundry goods below, adopt above-mentioned vacuum differential pressure Impregnation apparatus, comprise the steps:
(1) foundry goods 1 is placed in infiltration vacuum tank 21, the inner side port flowing into port one 2 and inlet opening 211 is communicated with by the first water influent pipeline 31, the inner side port of outflow port 13 and fluid hole 212 is communicated with by the first drain pipe 32, the outside port of impregnant storage box 22 and inlet opening 211 is communicated with by the second water influent pipeline 33, the outside port of impregnant storage box 22 and fluid hole 212 is communicated with, lock sealing infiltration vacuum tank 21 by the second fluid pipeline 34;
(2) open vavuum pump, by vavuum pump, infiltration vacuum tank 21 is vacuumized, make the inner side and outer side of chamber form the pressure differential of-0.09Mpa ~-0.1Mpa, and maintain the regular hour (casting section thickness and structure difference, the time needs corresponding adjustment);
(3) impregnant pump 221 in unlatching, the impregnant in impregnant storage box 22 is made to enter in chamber 11, under the effect of chamber 11 inside and outside differential pressure, under the differential pressure action of the i.e. entrance and exit of seepage hole 111, impregnant enters in seepage hole 111, and maintain certain hour (casting section thickness and structure difference, the time needs corresponding adjustment).
Taken out from infiltration vacuum tank 21 by foundry goods 1 afterwards, carry out cleaning and solidifying, the infiltration namely completing foundry goods 1 is repaired.
Embodiment two
See Fig. 2, as shown in legend wherein, all the other are identical with described embodiment one, difference is, second water influent pipeline 33 is also communicated with and is provided with booster pump 222 and impulse electromagnetic valve (depending on not going out in figure), also comprise in above-mentioned steps (2) and open this booster pump 222 and impulse electromagnetic valve, make impregnant overcome the surface tension of seepage hole 111 by booster pump 22 and impulse electromagnetic valve, impregnant is fully entered in seepage hole 11.In the process, above-mentioned impulse electromagnetic valve controls impregnant in the form of a pulse, and at utmost Shangdi overcomes the surface tension of seepage hole 111, and impregnant is entered in seepage hole 111 fully.
Embodiment three
See Fig. 3, as shown in legend wherein, all the other are identical with described embodiment one or two, difference is, above-mentioned vacuum differential pressure Impregnation apparatus also comprises blowning installation, this blowning installation comprises compressed gas source 41 and is communicated with this compressed gas source 41 air inlet pipeline 42 arranged, and the outside port of inlet opening 211 is communicated with air inlet pipeline 42 is dismountable with the second water influent pipeline 33 respectively, and the outside port of fluid hole 212 is communicated with the second drain pipe 34 tunnel.
Step (4) is also provided with after above-mentioned steps (3), step (4) is set to: switched by the outside port of inlet opening 211 and be communicated with air inlet pipeline 42, open compressed gas source 41, make Compressed Gas enter in the chamber 11 of foundry goods 1, the impregnant in chamber 11 is blown back in impregnant storage box 22 by the second fluid pipeline 34.
Above-mentioned compressed gas source is the compressor or the compressed air line be installed in factory building that arrange separately.
Embodiment four
See Fig. 4, as shown in legend wherein, all the other are identical with described embodiment three, difference is, upper vacuum differential pressure Impregnation apparatus also comprises a cleaning device, described cleaning device comprises rinse water storage box 51, the inlet pipeline 52 arranged and outlet pipeline 53 is communicated with rinse water storage box 51, inlet pipeline 52 is provided with flushing water pump 521, the outside port of fluid hole 212 is communicated with the second water influent pipeline 33 is dismountable, the outside port of inlet opening 211 is also communicated with inlet pipeline 52 is dismountable, when the outside port of inlet opening 211 is communicated with the second water influent pipeline 33 or air inlet pipeline 42, the outside port of fluid hole 212 is communicated with the second fluid pipeline 34, when the outside port of inlet opening 211 is communicated with inlet pipeline 52, the outside port of fluid hole 212 is communicated with outlet pipeline 53.
Step (5) is also provided with after above-mentioned steps (4), step (5) is set to: switched by the outside port of inlet opening 211 and be communicated with inlet pipeline 52, open supernatant water pump 521, make clear water enter in the chamber 11 of foundry goods 1, the impregnant in chamber 11 is cleaned up.Achieve on-line cleaning, improve production efficiency.
Embodiment six
All the other are identical with described embodiment two, difference is, above-mentioned second water influent pipeline is only communicated with and is provided with booster pump (no pulse magnetic valve), also comprise in above-mentioned steps (2) and open this booster pump, make impregnant overcome the surface tension of seepage hole by booster pump, impregnant is fully entered in seepage hole.
Claims (6)
1. the vacuum differential pressure Impregnation apparatus of a foundry goods, described foundry goods has chamber, the wall of described chamber exists seepage hole, described chamber arranges one and flows into port and an outflow port, described vacuum differential pressure Impregnation apparatus comprises device of impregnation, described device of impregnation comprises infiltration vacuum tank, described infiltration vacuum tank connection is provided with vavuum pump, it is characterized in that, described infiltration vacuum tank is provided with inlet opening and fluid hole, the inner side port of described inlet opening is connected with the first water influent pipeline be built in described infiltration vacuum tank, the inner side port of described fluid hole is connected with the first fluid pipeline be built in described infiltration vacuum tank, the free end of described first water influent pipeline is set to be connected with described inflow port match, the free end of described first fluid pipeline is set to mate with described outflow port and is connected.
2. vacuum differential pressure Impregnation apparatus according to claim 1, it is characterized in that, described device of impregnation also comprises impregnant storage box, the outside port of described inlet opening is communicated with described impregnant storage box by the second water influent pipeline, the outside port of described fluid hole, by impregnant storage box described in the second fluid pipeline connection, described second water influent pipeline is provided with impregnant pump.
3. vacuum differential pressure Impregnation apparatus according to claim 2, is characterized in that, described second water influent pipeline is also provided with booster pump.
4. vacuum differential pressure Impregnation apparatus according to claim 3, is characterized in that, the gas circuit of described booster pump is also provided with impulse electromagnetic valve.
5. vacuum differential pressure Impregnation apparatus according to claim 2, it is characterized in that, described vacuum differential pressure Impregnation apparatus also comprises blowning installation, described blowning installation comprises compressed gas source and is communicated with described compressed gas source the air inlet pipeline arranged, the outside port of described inlet opening is communicated with air inlet pipeline is dismountable with described second water influent pipeline respectively, the outside port of described fluid hole and described second fluid pipeline connection.
6. vacuum differential pressure Impregnation apparatus according to claim 5, it is characterized in that, described vacuum differential pressure Impregnation apparatus also comprises cleaning device, described cleaning device comprises rinse water storage box, the inlet pipeline and outlet pipeline that arrange is communicated with described rinse water storage box, described inlet pipeline is provided with flushing water pump, the outside port of described fluid hole is communicated with described second water influent pipeline is dismountable, the outside port of described inlet opening is also communicated with described inlet pipeline is dismountable, when the outside port of described inlet opening is communicated with the second water influent pipeline or air inlet pipeline, the outside port of described fluid hole and described second fluid pipeline connection, when the outside port of described inlet opening is communicated with described inlet pipeline, the outside port of described fluid hole is communicated with described outlet pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420440541.1U CN204108288U (en) | 2014-08-06 | 2014-08-06 | A kind of vacuum differential pressure Impregnation apparatus of foundry goods |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420440541.1U CN204108288U (en) | 2014-08-06 | 2014-08-06 | A kind of vacuum differential pressure Impregnation apparatus of foundry goods |
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| CN204108288U true CN204108288U (en) | 2015-01-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107901A (en) * | 2014-08-06 | 2014-10-22 | 苏州明志科技有限公司 | Vacuum differential pressure impregnation device and process for casting |
| CN107962175A (en) * | 2017-11-28 | 2018-04-27 | 武汉科技大学 | A kind of Multi-stacking compaction casting washes Infiltration Technics program |
-
2014
- 2014-08-06 CN CN201420440541.1U patent/CN204108288U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107901A (en) * | 2014-08-06 | 2014-10-22 | 苏州明志科技有限公司 | Vacuum differential pressure impregnation device and process for casting |
| CN104107901B (en) * | 2014-08-06 | 2017-02-15 | 苏州明志科技有限公司 | Vacuum differential pressure impregnation device and process for casting |
| CN107962175A (en) * | 2017-11-28 | 2018-04-27 | 武汉科技大学 | A kind of Multi-stacking compaction casting washes Infiltration Technics program |
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