CN102379748A - Gas path system of differential pressure type pure titanium casting machine for dentistry - Google Patents
Gas path system of differential pressure type pure titanium casting machine for dentistry Download PDFInfo
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- CN102379748A CN102379748A CN201110363377XA CN201110363377A CN102379748A CN 102379748 A CN102379748 A CN 102379748A CN 201110363377X A CN201110363377X A CN 201110363377XA CN 201110363377 A CN201110363377 A CN 201110363377A CN 102379748 A CN102379748 A CN 102379748A
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Abstract
The invention belongs to the technical field of dental prosthetic restoration, and relates to a gas path system of a differential pressure type pure titanium casting machine for dentistry. The gas path system comprises a vacuum gas path system, a low-pressure gas path system and a high-pressure gas path system; the vacuum gas path system comprises a vacuum pump (6) and a vacuum solenoid valve (7); the low-pressure gas path 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 path system comprises the argon bottle (1), the high pressure reducing valve (3) and a high-pressure solenoid valve (2); and communicating pipelines between the low-pressure solenoid valve (4) and a casting chamber (11), between the high-pressure solenoid valve (2) and the casting chamber (11), as well as between the vacuum solenoid valve (7) and the casting chamber (11) are respectively provided with a deflating valve (9), a pressure sensor (8) and a filter (10). The gas path system provided by the invention solves the problems in the prior art, ensures the casting quality, and has the characteristics of reasonable distribution, strong controllability, easiness in operation and control, and convenience in disassembly.
Description
Technical field
The invention belongs to the dental prosthetic technical field, relate generally to the air-channel system of a kind of tooth section with differential pressure type pure titanium casting machine.
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 rapidly, and titanium liquid fills type completion casting fast under argon pressure difference and action of gravity.In whole counter-pressure casting process, when feed the high pressure argon, 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.
Summary of the invention
For solving the problems of the technologies described above, the objective of the invention is to propose the air-channel system of a kind of tooth section with differential pressure type pure titanium casting machine.
The present invention adopts following technical scheme for accomplishing the foregoing invention purpose:
A kind of tooth section is with the air-channel system of differential pressure type pure titanium casting machine, 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 vacuum pump and vacuum solenoid; Described vacuum pump is communicated with casting chamber through vacuum solenoid, in order to remove airborne oxygen in the casting chamber, makes titanium liquid not oxidized; Described low pressure air-channel system comprises 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, 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; 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 formation high-pressure gas circuit system through high-pressure pressure-reducing valve and high-pressure solenoid valve with casting chamber, for casting chamber provides the high pressure argon, titanium hydraulic pressure is gone into the casting circle accomplish casting; 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 transducer 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 connection tube successively in the described high-pressure gas circuit system, vent valve, pressure transducer 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 connection tube successively in the said low pressure air-channel system, wherein, vent valve, pressure transducer and filter are set between low-voltage solenoid valve and casting chamber.
Said vacuum air-channel system connects vacuum pump, vacuum solenoid and casting chamber with connection tube successively, wherein, vent valve, pressure transducer and filter is set between vacuum solenoid and casting chamber.
A kind of tooth section that the present invention proposes has solved the problems of the prior art with the air-channel system of differential pressure type pure titanium casting machine, 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 an electrical principle block diagram of the present invention.
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, vacuum pump, 7, vacuum solenoid, 8, pressure transducer, 9, vent valve, 10, filter, 11, casting chamber.
The specific embodiment
Accompanying drawings specific embodiment of the present invention.
As shown in Figure 1, a kind of tooth section is with the air-channel system of differential pressure type pure titanium casting machine, 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 vacuum pump 6 and vacuum solenoid 7; Described vacuum 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, 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 transducer 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 connection tube successively in the described high-pressure gas circuit system, vent valve 9, pressure transducer 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 connection tube successively in the said low pressure air-channel system, wherein, vent valve 9, pressure transducer 8 and filter 10 are set between low-voltage solenoid valve 4 and casting chamber 11.
Said vacuum air-channel system connects vacuum pump 6, vacuum solenoid 7 and casting chamber 11 with connection tube successively, wherein, vent valve 9, pressure transducer 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 electromagnetic valve 7, close high-pressure solenoid valve 2, low-voltage solenoid valve 4 and vent valve 9, start 6 pairs of casting chamber of vacuum pump 11 and carry out evacuation; After evacuation stops; 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 evacuation, 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 and go into the casting circle to titanium hydraulic pressure, open vent valve 9 then; Emit the high pressure argon through vent valve 9, each element is got back to initial position.
When said high pressure argon air-channel system uses; Open high-pressure solenoid valve; Close low-voltage solenoid valve, vacuum solenoid and vent valve, the pressure that reduces argon in the argon bottle through high-pressure pressure-reducing valve reaches the required pressure of high pressure argon, directly feeds casting chamber; Force value is presented on the pressure transducer display screen simultaneously, opens vent valve after casting is accomplished and emits argon.
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 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 transducer display screen simultaneously, opens vent valve after casting is accomplished and emits argon.
Close high-pressure solenoid valve, low-voltage solenoid valve and vent valve when said vacuum air-channel system uses, the open vacuum electromagnetic valve starts vacuum 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 differential pressure type pure titanium casting machine, 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; Described vacuum air-channel system comprises vacuum pump (6) and vacuum solenoid (7); Described vacuum 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; 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 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, 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, the pressure transducer (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 differential pressure type pure titanium casting machine; 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 connection tube successively in the described high-pressure gas circuit system, vent valve (9), pressure transducer (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 differential pressure type pure titanium casting machine; 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 connection tube successively in the said low pressure air-channel system; Wherein, vent valve (9), pressure transducer (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 differential pressure type pure titanium casting machine; It is characterized in that: said vacuum air-channel system connects vacuum pump (6), vacuum solenoid (7) and casting chamber (11) with connection tube successively; Wherein, vent valve (9), pressure transducer (8) and filter (10) are set between vacuum solenoid (7) and casting chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110363377XA CN102379748A (en) | 2011-11-16 | 2011-11-16 | Gas path system of differential pressure type pure titanium casting machine for dentistry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110363377XA CN102379748A (en) | 2011-11-16 | 2011-11-16 | Gas path system of differential pressure type pure titanium casting machine for dentistry |
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| CN102379748A true CN102379748A (en) | 2012-03-21 |
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| CN201110363377XA Pending CN102379748A (en) | 2011-11-16 | 2011-11-16 | Gas path system of differential pressure type pure titanium casting machine for dentistry |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037816A (en) * | 2018-01-17 | 2019-07-23 | 北京市华瑞恒美科技发展有限责任公司 | A kind of denture manufacturing process |
| CN111299546A (en) * | 2020-04-20 | 2020-06-19 | 江苏天宏智能装备有限公司 | Pressure regulation control system for high-pressure differential pressure casting |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS586766A (en) * | 1981-06-30 | 1983-01-14 | マ−レ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Apparatus for loading pressure to pressurizing mechanism of pressure casting machine |
| US5161600A (en) * | 1990-11-16 | 1992-11-10 | Jeneric/Pentron Inc. | System and method for casting and reworking metallic material |
| CN201586740U (en) * | 2009-12-30 | 2010-09-22 | 中钢集团洛阳耐火材料研究院有限公司 | Rotary differential pressure pure titanium casting machine |
| US20100286791A1 (en) * | 2006-11-21 | 2010-11-11 | Goldsmith David S | Integrated system for the ballistic and nonballistic infixion and retrieval of implants |
| CN202427921U (en) * | 2011-11-16 | 2012-09-12 | 中钢集团洛阳耐火材料研究院有限公司 | Gas circuit system for dental differential pressure type pure-titanium casting machine |
-
2011
- 2011-11-16 CN CN201110363377XA patent/CN102379748A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS586766A (en) * | 1981-06-30 | 1983-01-14 | マ−レ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Apparatus for loading pressure to pressurizing mechanism of pressure casting machine |
| US5161600A (en) * | 1990-11-16 | 1992-11-10 | Jeneric/Pentron Inc. | System and method for casting and reworking metallic material |
| US20100286791A1 (en) * | 2006-11-21 | 2010-11-11 | Goldsmith David S | Integrated system for the ballistic and nonballistic infixion and retrieval of implants |
| CN201586740U (en) * | 2009-12-30 | 2010-09-22 | 中钢集团洛阳耐火材料研究院有限公司 | Rotary differential pressure pure titanium casting machine |
| CN202427921U (en) * | 2011-11-16 | 2012-09-12 | 中钢集团洛阳耐火材料研究院有限公司 | Gas circuit system for dental differential pressure type pure-titanium casting machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037816A (en) * | 2018-01-17 | 2019-07-23 | 北京市华瑞恒美科技发展有限责任公司 | A kind of denture manufacturing process |
| CN111299546A (en) * | 2020-04-20 | 2020-06-19 | 江苏天宏智能装备有限公司 | Pressure regulation control system for high-pressure differential pressure casting |
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