CN202427921U - Gas circuit system for dental differential pressure type pure-titanium casting machine - Google Patents
Gas circuit system for dental differential pressure type pure-titanium casting machine Download PDFInfo
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- CN202427921U CN202427921U CN2011204543422U CN201120454342U CN202427921U CN 202427921 U CN202427921 U CN 202427921U CN 2011204543422 U CN2011204543422 U CN 2011204543422U CN 201120454342 U CN201120454342 U CN 201120454342U CN 202427921 U CN202427921 U CN 202427921U
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Abstract
The utility model belongs to the technical field of dental repairing and relates to a gas circuit system for a dental differential pressure type pure-titanium casting machine. The gas circuit system comprises a vacuum gas circuit system, a low-pressure gas circuit system and a high-pressure gas circuit system, wherein the vacuum gas circuit system comprises a vacuum pump (6) and a vacuum solenoid valve (7); the low-pressure gas circuit system comprises an argon bottle (1), a high-pressure reducing valve (3), a low-pressure reducing valve (5) and a low-pressure solenoid valve (4); the high-pressure gas circuit system comprises an argon bottle (1), a high-pressure reducing valve (3) and a high-pressure solenoid valve (2); and a release valve (9), a pressure sensor (8) and a filter (10) are arranged on a communicating pipeline of the low-pressure solenoid valve (4), the high-pressure solenoid valve (2), the vacuum solenoid valve (7) and a casting chamber (11). The problems of the prior art are solved by the gas circuit system provided by the utility model, the quality of casting is ensured, and the gas circuit system has the characteristics of reasonable layout, strong controllability, easiness in operation, easiness in controlling and convenience in detaching.
Description
Technical field
The utility model belongs to the dental prosthetic technical field, relates generally to the air-channel system of a kind of tooth section with the pure titanium titanium casting machine of differential pressure type.
Background technology
The differential pressure type casting is a kind of important forging type in the casting field; During casting and pouring, in airtight casting chamber, feed Compressed Gas, the pressure of gas need be higher than the pressure in the former casting chamber; Deposite metal in the crucible is pressed into casting circle and crystallization to molten metal bath under action of pressure.It is to be negative electrode with the tungsten pin that tooth section uses the principle of differential pressure type pure titanium casting machine; Pure titanium titanium piece to be placed in the crucible is an anode; Under low-pressure argon protection, with electric arc heating source melt titanium piece through the high frequency voltage striking; Whole rotational casting chamber is poured into the titanium liquid in the crucible in the casting circle, charges into the high pressure argon gas rapidly, and titanium liquid fills type completion casting fast under argon pressure difference and gravity effect.In whole counter-pressure casting process, when feed the high pressure argon gas, when feed low-pressure argon, and how to change between the two; Not oxidized for protection titanium liquid, how to remove airborne oxygen; For guaranteeing casting quality; Having many particulate contamination how to remove or the like problems in the casting circle needs rational air-channel system to guarantee; Therefore; High-quality air-channel system layout and control are the crucial parts of differential pressure type pure titanium casting, in whole casting process, have crucial decisive role.
The utility model content
For solving the problems of the technologies described above, the purpose of the utility model is the air-channel system of a kind of tooth of proposition section with the pure titanium titanium casting machine of differential pressure type.
The utility model adopts following technical scheme for accomplishing above-mentioned utility model purpose:
A kind of tooth section is with the air-channel system of the pure titanium titanium casting machine of differential pressure type, and described air-channel system comprises vacuum air-channel system, low pressure air-channel system and high-pressure gas circuit system; Vacuum air-channel system in order to remove airborne oxygen in the casting chamber comprises vavuum pump and vacuum solenoid; Described vavuum pump is communicated with casting chamber through vacuum solenoid; With thinking that casting chamber provides the low pressure air-channel system of low-pressure argon to comprise argon bottle, high-pressure pressure-reducing valve, low-pressure relief valve and low-voltage solenoid valve; Described argon bottle is communicated with casting chamber through high-pressure pressure-reducing valve, low-pressure relief valve and low-voltage solenoid valve; Setting and low-pressure relief valve, the parallelly connected high-pressure solenoid valve of low-voltage solenoid valve between argon bottle, high-pressure pressure-reducing valve and casting chamber; Described argon bottle is communicated with casting chamber to constitute to use through high-pressure pressure-reducing valve and high-pressure solenoid valve thinks that casting chamber provides the high-pressure gas circuit system of high pressure argon gas; The vent valve that on the connecting pipeline between low-voltage solenoid valve, high-pressure solenoid valve and vacuum solenoid and the casting chamber, is provided for exitting, be used for detecting the pressure sensor of connecting pipeline upward pressure and in order to filter the filter of casting chamber's grit.
Connect argon bottle, high-pressure pressure-reducing valve, high-pressure solenoid valve and casting chamber with tube connector successively in the described high-pressure gas circuit system, vent valve, pressure sensor and filter are set between high-pressure solenoid valve and casting chamber.
Connect argon bottle, high-pressure pressure-reducing valve, low-pressure relief valve, low-voltage solenoid valve and casting chamber with tube connector successively in the said low pressure air-channel system, wherein, vent valve, pressure sensor and filter are set between low-voltage solenoid valve and casting chamber.
Said vacuum air-channel system connects vavuum pump, vacuum solenoid and casting chamber with tube connector successively, wherein, vent valve, pressure sensor and filter is set between vacuum solenoid and casting chamber.
A kind of tooth section that the utility model proposes has solved the problems of the prior art with the air-channel system of the pure titanium titanium casting machine of differential pressure type, has guaranteed casting quality, and have rationally distributed, controllability is strong, and is easy to operate, easy to control, the characteristics of convenient disassembly.
Description of drawings
Fig. 1 is the electrical principle block diagram of the utility model.
Among the figure: 1, argon bottle, 2, high-pressure solenoid valve, 3, high-pressure pressure-reducing valve, 4, low-voltage solenoid valve, 5, low-pressure relief valve, 6, vavuum pump, 7, vacuum solenoid, 8, pressure sensor, 9, vent valve, 10, filter, 11, casting chamber.
The specific embodiment
The specific embodiment of accompanying drawings the utility model.
As shown in Figure 1, a kind of tooth section is with the air-channel system of the pure titanium titanium casting machine of differential pressure type, and described air-channel system comprises vacuum air-channel system, low pressure air-channel system and high-pressure gas circuit system; Described vacuum air-channel system comprises vavuum pump 6 and vacuum solenoid 7; Described vavuum pump 6 is communicated with casting chamber 11 through vacuum solenoid 7, in order to remove airborne oxygen in the casting chamber 11, makes titanium liquid not oxidized; Described low pressure air-channel system comprises argon bottle 1, high-pressure pressure-reducing valve 3, low-pressure relief valve 5 and low-voltage solenoid valve 4; Described argon bottle 1 is communicated with casting chamber 11 through high-pressure pressure-reducing valve 3, low-pressure relief valve 5 and low-voltage solenoid valve 4, for casting chamber provides low-pressure argon, at the striking melt titanium piece between two electrodes of startup high frequency electric source under the low-pressure argon state; The high-pressure solenoid valve 2 parallelly connected with low-pressure relief valve 5, low-voltage solenoid valve 4 is set between argon bottle 1, high-pressure pressure-reducing valve 3 and casting chamber 11; Described argon bottle 1 is communicated with formation high-pressure gas circuit system through high-pressure pressure-reducing valve 3 and high-pressure solenoid valve 2 with casting chamber 11, for casting chamber provides the high pressure argon gas, titanium hydraulic pressure is gone into the casting circle accomplish casting; The vent valve 9 that on the connecting pipeline between low-voltage solenoid valve 4, high-pressure solenoid valve 2 and vacuum solenoid 7 and the casting chamber 11, is provided for exitting, be used for detecting the pressure sensor 8 of connecting pipeline upward pressure and in order to filter the filter 10 of casting chamber's grit.
Connect argon bottle 1, high-pressure pressure-reducing valve 3, high-pressure solenoid valve 2 and casting chamber 11 with tube connector successively in the described high-pressure gas circuit system, vent valve 9, pressure sensor 8 and filter 10 are set between high-pressure solenoid valve 2 and casting chamber 11.
Connect argon bottle 1, high-pressure pressure-reducing valve 3, low-pressure relief valve 5, low-voltage solenoid valve 4 and casting chamber 11 with tube connector successively in the said low pressure air-channel system, wherein, vent valve 9, pressure sensor 8 and filter 10 are set between low-voltage solenoid valve 4 and casting chamber 11.
Said vacuum air-channel system connects vavuum pump 6, vacuum solenoid 7 and casting chamber 11 with tube connector successively, wherein, vent valve 9, pressure sensor 8 and filter 10 is set between vacuum solenoid 7 and casting chamber 11.
Above-mentioned described air-channel system is in when work, at first open vacuum magnetic valve 7, close high-pressure solenoid valve 2, low-voltage solenoid valve 4 and vent valve 9, start 6 pairs of casting chamber 11 of vavuum pump and vacuumize; Vacuumize stop after; Close vacuum solenoid 7, open low-voltage solenoid valve 4, low-voltage solenoid valve 4 is communicated with to casting chamber 11 with argon bottle 1 through low-pressure relief valve 5, high-pressure pressure-reducing valve 3 charges into low-pressure argon; After keeping a period of time; Open vent valve 9 and exit, continue to vacuumize, three times so repeatedly; Then at the striking melt titanium piece between two electrodes of startup high frequency electric source under the low-pressure argon state; Treat that the titanium liquid in the crucible injects when casting circle; Close low-voltage solenoid valve 4, low-pressure relief valve 5 and vent valve 9 rapidly, open high-pressure solenoid valve 2 simultaneously and charge into the high pressure argon gas and go into the casting circle to titanium hydraulic pressure, open vent valve 9 then; Emit the high pressure argon gas through vent valve 9, each element is got back to initial position.
When said high pressure argon gas air-channel system uses; Open high-pressure solenoid valve; Close low-voltage solenoid valve, vacuum solenoid and vent valve, the pressure that reduces argon gas in the argon bottle through high-pressure pressure-reducing valve reaches the required pressure of high pressure argon gas, directly feeds casting chamber; Force value is presented on the pressure sensor display screen simultaneously, opens vent valve after casting is accomplished and emits argon gas.
When using, said low-pressure argon air-channel system closes high-pressure solenoid valve, vacuum solenoid and vent valve; Open low-voltage solenoid valve; Argon gas feeds casting chamber through high-pressure pressure-reducing valve, low-pressure relief valve, low-voltage solenoid valve, filter respectively in the argon bottle; Force value is presented on the pressure sensor display screen simultaneously, opens vent valve after casting is accomplished and emits argon gas.
Close high-pressure solenoid valve, low-voltage solenoid valve and vent valve when said vacuum air-channel system uses, the open vacuum magnetic valve starts vavuum pump, through vacuum solenoid and filter, directly extracts the gas in the casting chamber.
Claims (4)
1. a tooth section is with the air-channel system of the pure titanium titanium casting machine of differential pressure type, and it is characterized in that: described air-channel system comprises vacuum air-channel system, low pressure air-channel system and high-pressure gas circuit system; Vacuum air-channel system in order to remove airborne oxygen in the casting chamber comprises vavuum pump (6) and vacuum solenoid (7); Described vavuum pump (6) is communicated with casting chamber (11) through vacuum solenoid (7); With thinking that casting chamber provides the low pressure air-channel system of low-pressure argon to comprise argon bottle (1), high-pressure pressure-reducing valve (3), low-pressure relief valve (5) and low-voltage solenoid valve (4); Described argon bottle (1) is communicated with casting chamber (11) through high-pressure pressure-reducing valve (3), low-pressure relief valve (5) and low-voltage solenoid valve (4); Between argon bottle (1), high-pressure pressure-reducing valve (3) and casting chamber (11), be provided with and low-pressure relief valve (5), the parallelly connected high-pressure solenoid valve (2) of low-voltage solenoid valve (4); Described argon bottle (1) is communicated with casting chamber (11) to constitute to use through high-pressure pressure-reducing valve (3) and high-pressure solenoid valve (2) thinks that casting chamber provides the high-pressure gas circuit system of high pressure argon gas; The vent valve (9) that on the connecting pipeline between low-voltage solenoid valve (4), high-pressure solenoid valve (2) and vacuum solenoid (7) and the casting chamber (11), is provided for exitting, the pressure sensor (8) that is used for detecting the connecting pipeline upward pressure and in order to filter the filter (10) of casting chamber's grit.
2. according to the air-channel system of the said a kind of tooth of claim 1 section with the pure titanium titanium casting machine of differential pressure type; It is characterized in that: connect argon bottle (1), high-pressure pressure-reducing valve (3), high-pressure solenoid valve (2) and casting chamber (11) with tube connector successively in the described high-pressure gas circuit system, vent valve (9), pressure sensor (8) and filter (10) are set between high-pressure solenoid valve (2) and casting chamber (11).
3. according to the air-channel system of the said a kind of tooth of claim 1 section with the pure titanium titanium casting machine of differential pressure type; It is characterized in that: connect argon bottle (1), high-pressure pressure-reducing valve (3), low-pressure relief valve (5), low-voltage solenoid valve (4) and casting chamber (11) with tube connector successively in the said low pressure air-channel system; Wherein, vent valve (9), pressure sensor (8) and filter (10) are set between low-voltage solenoid valve (4) and casting chamber (11).
4. according to the air-channel system of the said a kind of tooth of claim 1 section with the pure titanium titanium casting machine of differential pressure type; It is characterized in that: said vacuum air-channel system connects vavuum pump (6), vacuum solenoid (7) and casting chamber (11) with tube connector successively; Wherein, vent valve (9), pressure sensor (8) and filter (10) are set between vacuum solenoid (7) and casting chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204543422U CN202427921U (en) | 2011-11-16 | 2011-11-16 | Gas circuit system for dental differential pressure type pure-titanium casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204543422U CN202427921U (en) | 2011-11-16 | 2011-11-16 | Gas circuit system for dental differential pressure type pure-titanium casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202427921U true CN202427921U (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204543422U Expired - Fee Related CN202427921U (en) | 2011-11-16 | 2011-11-16 | Gas circuit system for dental differential pressure type pure-titanium casting machine |
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| Country | Link |
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| CN (1) | CN202427921U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102379748A (en) * | 2011-11-16 | 2012-03-21 | 中钢集团洛阳耐火材料研究院有限公司 | Gas path system of differential pressure type pure titanium casting machine for dentistry |
| CN103203443A (en) * | 2013-04-02 | 2013-07-17 | 南昌航空大学 | Counter-gravity casting air circuit system |
| CN108580847A (en) * | 2018-07-26 | 2018-09-28 | 哈尔滨工业大学 | A kind of non-linear pressurizing control system of complexity metal component counter-pressure casting molding |
-
2011
- 2011-11-16 CN CN2011204543422U patent/CN202427921U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102379748A (en) * | 2011-11-16 | 2012-03-21 | 中钢集团洛阳耐火材料研究院有限公司 | Gas path system of differential pressure type pure titanium casting machine for dentistry |
| CN103203443A (en) * | 2013-04-02 | 2013-07-17 | 南昌航空大学 | Counter-gravity casting air circuit system |
| CN103203443B (en) * | 2013-04-02 | 2015-09-30 | 南昌航空大学 | A kind of antigravity casting integration air-channel system |
| CN108580847A (en) * | 2018-07-26 | 2018-09-28 | 哈尔滨工业大学 | A kind of non-linear pressurizing control system of complexity metal component counter-pressure casting molding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20151116 |
|
| EXPY | Termination of patent right or utility model |