CN202212530U - High-low pressure vacuum device - Google Patents
High-low pressure vacuum device Download PDFInfo
- Publication number
- CN202212530U CN202212530U CN2011203138956U CN201120313895U CN202212530U CN 202212530 U CN202212530 U CN 202212530U CN 2011203138956 U CN2011203138956 U CN 2011203138956U CN 201120313895 U CN201120313895 U CN 201120313895U CN 202212530 U CN202212530 U CN 202212530U
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- low
- pressure
- vacuum
- tube
- pressure vacuum
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Abstract
A high-low pressure vacuum device comprises a low-pressure vacuum storage tank, a high-pressure vacuum storage tank, a low-pressure tube, a high-pressure tube, a converging tee and exhaust hoses, wherein the low-pressure vacuum storage tank and the high-pressure vacuum storage tank are connected with the converging tee through the low-pressure tube and the high-pressure tube respectively; a low-pressure switching valve is arranged on the low-pressure tube; a high-pressure switching valve is arranged on the high-pressure tube; an air inlet end of the converging tee is connected with a converging tube; an air inlet end of the converging tube is connected with two exhaust hoses in parallel; the switching valves are arranged on the two exhaust hoses; and the air inlet ends of the two exhaust hoses are connected with an upper sand box and a lower sand box respectively. The conventional single pressure supply vacuum device is improved into the high-low pressure vacuum device; and according to requirements of the sand boxes on negative pressures in different technical time periods, different vacuum negative pressures can be supplied only by regulating switch units, so that the energy consumption is reduced and the aims of saving energy and reducing emission are fulfilled.
Description
Technical field
The utility model relates to a kind of high-low pressure vacuum plant of the V of being applied to method Foundry Production.
Background technology
The casting of V method is a kind of of vacuum sealed molding, is " vacuum moulding process " or " decompression molding " again, because of the prefix " V " of getting English Vacuum (vacuum) speech is gained the name.It is different from traditional sand casting biggest advantage is not use adhesive, and the casting of V method is to utilize plastic sheeting sealing sandbox, leans on air in the vacuum-pumping system extraction type; Pressure differential is arranged inside and outside the casting mold; Make dry sand closely knit, form required die cavity, warp core, mould assembling, cast down vacuumizes and makes casting solidification; Remove negative pressure, molding sand is thereupon defeated and dispersed and obtain foundry goods.In V method Foundry Production, remove pressure from moulding, cast until unpacking, all to keep-0.05 always ~-condition of high vacuum degree of 0.07mpa.This is a kind of very big power waste in process of production in fact because except casting process need keep certain condition of high vacuum degree (0.07mpa), only need maintain-0.03 in moulding and the cast back condensation process ~-0.04mpa just can.It is thus clear that really need the time of condition of high vacuum degree very short (about 15 minutes), be chronic (about 45 minutes) and only need rough vacuum.Vacuum plant in the V method Foundry Production all only provides condition of high vacuum degree at present, causes very big energy waste, if according to producing actual needs different vacuum is provided, must save considerable power consumption.
The utility model content
Technical problem:The utility model provides a kind of high-low pressure vacuum plant capable of reducing energy consumption.
Technical scheme:A kind of high-low pressure vacuum plant; Comprise low-voltage vacuum accumulator, high pressure vacuum accumulator, low-voltage tube, high-voltage tube, the threeway of confluxing, the flexible pipe of bleeding; Said low-voltage vacuum accumulator, high pressure vacuum accumulator are connected through low-voltage tube, high-voltage tube and the threeway of confluxing respectively, and said low-voltage tube is provided with the low pressure transfer valve, and said high-voltage tube is provided with the high pressure transfer valve; The inlet end of the said threeway of confluxing is connected with collecting pipe; Said collecting pipe inlet end connects two flexible pipes of bleeding side by side, is provided with transfer valve on said two flexible pipes of bleeding, and two flexible pipe inlet ends of bleeding connect cope and drag box respectively.
Beneficial effect:The utility model is improved to the high-low pressure vacuum plant with original single voltage supply vacuum plant; According to the negative pressure requirement of sandbox in the different process period; Only need to regulate change-over switch and just different negative pressure of vacuum can be provided, thereby reduced energy consumption, reached the purpose of energy-saving and emission-reduction.
Description of drawings
Fig. 1 is the structure chart of the utility model high and low pressure vacuum plant.
Have among the figure: low-voltage vacuum accumulator 1, high pressure vacuum accumulator 2, low pressure transfer valve 3, high pressure transfer valve 4, the threeway 5 of confluxing, transfer valve 6, the flexible pipe 7 of bleeding, cope 8, drag box 9, low-voltage tube 10, high-voltage tube 11, collecting pipe 12.
The specific embodiment
The high-low pressure vacuum plant of the utility model; Comprise low-voltage vacuum accumulator 1, high pressure vacuum accumulator 2, low-voltage tube 10, high-voltage tube 11, the threeway 5 of confluxing, the flexible pipe 7 of bleeding; Said low-voltage vacuum accumulator 1, high pressure vacuum accumulator 2 are connected through low-voltage tube 10, high-voltage tube 11 and the threeway 5 of confluxing respectively; Said low-voltage tube 10 is provided with low pressure transfer valve 3; Said high-voltage tube 11 is provided with high pressure transfer valve 4, and the said inlet end that confluxes threeway 5 is connected with collecting pipe 12, and said collecting pipe 12 inlet ends connect two flexible pipes 7 of bleeding side by side; Be provided with 6, two of transfer valves flexible pipe 7 inlet ends of bleeding on said two flexible pipes 7 of bleeding and connect cope 8 and drag box 9 respectively.
The low-voltage vacuum accumulator 1 of the utility model is connected with low pressure voltage supply system with high pressure respectively with high pressure vacuum accumulator 2, and the flexible pipe 7 of bleeding just can put into operation after linking with sandbox to be bled.The utility model has disposed the voltage supply of high and low pressure vacuum and has switched pipe-line system, can comply with the requirement to the vacuum conversion of different periods in the production or station.
During the utility model work, the flexible pipe 7 of will bleeding is connected on the sandbox, according to the different periods in the production technology and station selection low-voltage vacuum or high pressure vacuum, switches corresponding pipeline of connection and valve.Under the suction function that the vacuum accumulator provides; Air in the sandbox gets into low-voltage tube 10 or high-voltage tube 11 via the flexible pipe 7 of bleeding, collecting pipe 12, the threeway 5 of confluxing successively; Get into the vacuum accumulator that is communicated with it from low-voltage tube 10 or high-voltage tube 11 then, from the voltage supply system that the vacuum accumulator connects, discharge at last.
Claims (1)
1. high-low pressure vacuum plant; It is characterized in that; This vacuum plant comprises low-voltage vacuum accumulator (1), high pressure vacuum accumulator (2), low-voltage tube (10), high-voltage tube (11), the threeway of confluxing (5), the flexible pipe of bleeding (7); Said low-voltage vacuum accumulator (1), high pressure vacuum accumulator (2) are connected with the threeway of confluxing (5) through low-voltage tube (10), high-voltage tube (11) respectively; Said low-voltage tube (10) is provided with low pressure transfer valve (3); Said high-voltage tube (11) is provided with high pressure transfer valve (4), and the inlet end of the said threeway of confluxing (5) is connected with collecting pipe (12), and said collecting pipe (12) inlet end connects two flexible pipes of bleeding (7) side by side; Be provided with transfer valve (6) on said two flexible pipes of bleeding (7), two flexible pipes of bleeding (7) inlet end connects cope (8) and drag box (9) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203138956U CN202212530U (en) | 2011-08-26 | 2011-08-26 | High-low pressure vacuum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203138956U CN202212530U (en) | 2011-08-26 | 2011-08-26 | High-low pressure vacuum device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202212530U true CN202212530U (en) | 2012-05-09 |
Family
ID=46011800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203138956U Expired - Lifetime CN202212530U (en) | 2011-08-26 | 2011-08-26 | High-low pressure vacuum device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202212530U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240389A (en) * | 2013-05-15 | 2013-08-14 | 徐州市旭龙铸锻机械有限公司 | Embedded casting device |
| CN103321572A (en) * | 2013-06-13 | 2013-09-25 | 中国石油集团西部钻探工程有限公司 | Air drilling high-low pressure switching manifold device |
-
2011
- 2011-08-26 CN CN2011203138956U patent/CN202212530U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240389A (en) * | 2013-05-15 | 2013-08-14 | 徐州市旭龙铸锻机械有限公司 | Embedded casting device |
| CN103321572A (en) * | 2013-06-13 | 2013-09-25 | 中国石油集团西部钻探工程有限公司 | Air drilling high-low pressure switching manifold device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |