CN103170611B - Valve for measuring flow rate of liquid materials - Google Patents
Valve for measuring flow rate of liquid materials Download PDFInfo
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- CN103170611B CN103170611B CN201310135698.3A CN201310135698A CN103170611B CN 103170611 B CN103170611 B CN 103170611B CN 201310135698 A CN201310135698 A CN 201310135698A CN 103170611 B CN103170611 B CN 103170611B
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- valve
- valve body
- adjustable
- adjustable valve
- valve gap
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- 239000011344 liquid material Substances 0.000 title claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 238000007667 floating Methods 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 11
- 238000005266 casting Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005070 sampling Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010792 warming Methods 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004448 titration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Temperature-Responsive Valves (AREA)
Abstract
The invention discloses a valve for measuring the flow rate of liquid materials. The valve for measuring the flow rate of liquid materials comprises a valve body and an adjustable valve cover which are movably connected; the upper part of the adjustable valve cover is provided with a material charge pipe which is internally provided with an electric control switch I; the upper part of the adjustable valve cover is also provided with a gas guide pipe; the lower part of the adjustable valve cover is provided with a guide cylinder; the middle part of the guide cylinder is provided with a hollow floating ball; the middle of the lower part of the valve cover is provided with a semi-spherical groove; the valve body is provided with a stop hole which is internally provided with a stop component; the tail end of the stop component extends into the adjustable valve cover; the lower part of the valve body is provided with an electric control switch II and is connected with a material discharge nozzle through the electric control switch II; and the electric control switch II is electrically connected with a signal sampling contact at the lower part of the inner cavity of the valve body. According to the invention, under the condition that a thermal-insulation electric heater warms, the warming can be carried out at high frequency repeatedly, and the reproducibility is good; depending on the precise match of the hollow floating ball and the semi-spherical groove of the valve cover, the flow-in and stop of liquid lead can be controlled automatically; the yield, the quality and the percent of pass of castings are high; resource consumption and energy consumption are low; and the production cost is low.
Description
Technical field
The present invention relates to a kind of valve measuring liquid material flow, be specially adapted to lead-containing alloy be main raw material(s) casting lead accumulator grid and cast welding of pole group time, measure liquid lead base alloy flow.
Background technology
At present, the casting of lead accumulator grid and pole group's cast welding, because liquid towards lead-containing alloy measuring accuracy is difficult to accurately control, cause casting wasted product rate high, material consumption energy consumption is high, and product cost is high.
Summary of the invention
The technical problem to be solved in the present invention is, overcome the above-mentioned defect that prior art exists, provide a kind of control accuracy that effectively can improve casting grid and cast welding part weight, product percent of pass is high, material consumption energy consumption is low, and what production cost was low can the valve of accurate-metering liquid material flow.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of valve measuring liquid material flow, comprise valve body and adjustable valve gap, valve body is flexibly connected with adjustable valve gap, adjustable valve gap top is provided with feed pipe, electric-controlled switch I is housed in feed pipe, adjustable valve gap top is also provided with wireway, adjustable bonnet lower is equipped with guide cylinder, guide cylinder centre position is provided with one can the hollow float of free floating, bonnet lower centre position is provided with the hemispherical groove that an energy fits with the first half of hollow float, valve body is provided with stop hole, in stop hole, stop component is housed, stop component end stretches in adjustable valve gap, valve body lower portion is equipped with another electric-controlled switch II, valve body lower portion connects discharging gate through electric-controlled switch II, electric-controlled switch II samples contact with the signal being placed in body cavity bottom and is electrically connected.
Further, described valve body and adjustable valve gap adopt screw thread to be flexibly connected, by relatively rotating to change the volume of body cavity that the two is combined to form (i.e. adjustable bonnet lower surface and valve interior wall form enclosed cavity).
Further, adjustable valve gap upper right is located at by described feed pipe.
Further, described wireway is located at adjustable valve gap upper left-hand.
Gap when described hollow float and hemispherical groove are fitted is no more than 0.03mm.
Further, described valve outer wall is provided with heat-insulation layer, is provided with retaining electric heater in heat-insulation layer, and the electric heating tube of retaining electric heater is close to valve outer wall and is distributed in the shape of a spiral.
Further, described stop hole is preferably screw, and stop component is preferably limit screw, and screw to be located on valve body and to be corresponded to adjustable valve gap medium position place.
Further, described heat-insulation layer is provided with preformed hole, and preformed hole is positioned at outside stop hole, and preformed hole and stop hole are positioned on same level position.
Further, described adjustable valve gap inside is provided with the material flow path connected with feed pipe, and feed pipe is communicated with body cavity by material flow path; Adjustable valve gap inside is also provided with the air guide channel connected with wireway, and wireway is communicated with body cavity by air guide channel.
Electric-controlled switch I in feed pipe is directly electrically connected with external control devices PLC, and valve body lower portion electric-controlled switch II is electrically connected with external control devices PLC by signal sampling contact.
Structure of the present invention is simple, and operating efficiency is high; The present invention is particularly useful for the casting of lead accumulator grid and pole group's cast welding, when retaining electric heater is heated, the volumetric values of the inner chamber be made up of adjustable valve gap and valve body can meet the precise requirements of the casting of lead accumulator grid or pole group's cast welding technique liquid towards lead-containing alloy amount, and can repeatedly carry out by high frequency time, favorable reproducibility.Rely on the precision-fit of hollow float and bonnet lower hemisphere groove, realize the inflow of control liquid lead automatically and stop, be conducive to the Yield and quality and the qualification rate that improve foundry goods, reduce material consumption, energy consumption, reduce production cost.
Accompanying drawing explanation
Fig. 1 is one embodiment of the invention structural representation.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to Fig. 1, the present embodiment comprises valve body 1 and adjustable valve gap 2, valve body 1 adopts screw thread to be flexibly connected with adjustable valve gap 2, by relatively rotating the enclosed cavity that the inner chamber 13(and adjustable valve gap 2 lower surface that can change the valve body 1 that the two is combined to form and valve body 1 inwall are formed) volume; Adjustable valve gap 2 upper right is provided with feed pipe 5, electric-controlled switch I 6 is housed in feed pipe 5, adjustable valve gap 2 upper left-hand is provided with wireway 7, guide cylinder 4 is equipped with in adjustable valve gap 2 bottom, guide cylinder 4 middle position is provided with one can the hollow float 3 of free floating, bonnet lower middle position is provided with the hemispherical groove that an energy fits with the first half of hollow float 3, valve body is provided with stop hole, described stop hole is screw, and screw to be located on valve body 1 and to be corresponded to adjustable valve gap 2 medium position place; In stop hole, stop component is housed, described stop component is limit screw 10, limit screw 10 end stretches in adjustable valve gap 2, another electric-controlled switch II 8 is equipped with in valve body 1 bottom, valve body 1 bottom connects discharging gate 9 through electric-controlled switch II 8, and electric-controlled switch II 8 samples contact with the signal being placed in valve body 1 inner chamber 13 bottom and is electrically connected (not shown); Valve body 1 outer wall is provided with heat-insulation layer 12, is provided with retaining electric heater 11 in heat-insulation layer 12, and the electric heating tube of retaining electric heater 11 is close to valve outer wall and is distributed in the shape of a spiral.
Gap when described hollow float and hemispherical groove are fitted is no more than 0.03mm.
Described heat-insulation layer 12 is provided with preformed hole, and preformed hole is positioned at outside stop hole, and preformed hole and stop hole are positioned on same level position.
Adjustable valve gap 2 inside is provided with the material flow path connected with feed pipe 5, and feed pipe 5 is communicated with valve body 1 inner chamber 13 by material flow path; Adjustable valve gap 2 inside is also provided with the air guide channel connected with wireway 7, and wireway 7 is communicated with valve body 1 inner chamber 13 by air guide channel.
Electric-controlled switch I 6 in feed pipe 5 is directly electrically connected with external control devices PLC, and valve body 1 bottom electric-controlled switch II 8 is electrically connected with external control devices PLC by signal sampling contact.
Be used for lead accumulator pole group's cast welding lead melting furnace quantitative putting lead for this valve to be below described:
First, airport logistic park is debugged, by casting technique requirement, the dischargeable capacity of valve (i.e. adjustable valve gap 2 lower surface and valve body 1 inwall form enclosed cavity) is calculated, rotate with the valve body 1 of the adjustable valve gap 2 that is threaded, dischargeable capacity in valve is made substantially to meet technological requirement, then, constantly drip from feed pipe 5 with chemistry titration pipe, until water logging is to the lower surface of adjustable valve gap 2, record good add the volume of water, the volume of the water of record is added the half of hollow float 3 volume, the flow value of this valve technique initialization can be obtained, as still having deviation between inviscid flow value, micro-stopcock body 1 again, then titration test is carried out, until meet the requirements, then be tightened against in screw by the preformed hole of heat-insulation layer 12 by limit screw 10 with flat mouth bottle opener, limit screw 10 end stretches in valve gap 2, and to prevent adjustable valve gap 2 from loosening, so far, airport logistic park has been debugged.
After airport logistic park has been debugged, be connected by the feed pipe 5 of valve with external equipment lead melting furnace, whether the lead-containing alloy temperature of observing in lead melting furnace reaches technological requirement, simultaneously, start retaining electric heater 11, whole valve is made to be warming up to 430 ~ 450 DEG C, and automatic constant, then open the electric-controlled switch I 6 in feed pipe 5, at this moment, lead-containing alloy enters feed pipe 5 from lead melting furnace, flow through the material flow path of adjustable valve gap 2 through electric-controlled switch I 6, enter the inner chamber 13 of valve body 1, along with the continuous injection of plumbous liquid, the air in the inner chamber 13 of valve body 1 is emptying through wireway 7 from adjustable valve gap 2 air guide channel, plumbous liquid lead-containing alloy liquid level in valve body 1 inner chamber 13 constantly raises, buoyancy slowly makes hollow float 3 gradually rise along guide cylinder 4, last and adjustable valve gap 2 lower hemisphere connected in star is fitted, like this, just block the material flow path of adjustable valve gap 2, plumbous liquid is made to stop injecting, closed the electric-controlled switch I 6 of feed pipe 5 by external control devices PLC simultaneously, time delay links and opens valve body 1 bottom electric-controlled switch II 8 for 2 ~ 3 seconds again, plumbous liquid in valve body 1 inner chamber 13 flows out from discharging gate 9, carry out cast welding work, air also flows back to valve body 1 inner chamber 13 from wireway 7, after plumbous liquid flows to end, the signal sampling contact of electric-controlled switch II 8 sends an electrical signal to external control devices PLC, by external control devices PLC valve body 1 bottom electric-controlled switch II 8, and so forth, then the electric-controlled switch I 6 opened into lead pipe 5 that links, like this, start again the accurate metering of the plumbous liquid of a new round, so constantly circulation, the object that liquid lead base alloy flow high frequency time repeats precisely metering for a long time can be reached.
Claims (7)
1. one kind is measured the valve of liquid material flow, it is characterized in that, comprise valve body and adjustable valve gap, valve body is flexibly connected with adjustable valve gap, adjustable valve gap top is provided with feed pipe, electric-controlled switch I is housed in feed pipe, adjustable valve gap top is also provided with wireway, adjustable bonnet lower is equipped with guide cylinder, guide cylinder middle position is provided with one can the hollow float of free floating, bonnet lower middle position is provided with the hemispherical groove that an energy fits with the first half of hollow float, valve body is provided with stop hole, in stop hole, stop component is housed, stop component end stretches in adjustable valve gap, valve body lower portion is equipped with another electric-controlled switch II, valve body lower portion connects discharging gate through electric-controlled switch II, electric-controlled switch II samples contact with the signal being placed in body cavity bottom and is electrically connected.
2. the valve of metering liquid material flow according to claim 1, it is characterized in that, described valve body is flexibly connected by screw thread with adjustable valve gap.
3. the valve of metering liquid material flow according to claim 1 and 2, is characterized in that, adjustable valve gap upper right is located at by described feed pipe.
4. the valve of metering liquid material flow according to claim 1 and 2, is characterized in that, described wireway is located at adjustable valve gap upper left-hand.
5. the valve of metering liquid material flow according to claim 1 and 2, it is characterized in that, described valve outer wall is provided with heat-insulation layer, is provided with retaining electric heater in heat-insulation layer, and the electric heating tube of retaining electric heater is close to valve outer wall and is distributed in the shape of a spiral.
6. the valve of metering liquid material flow according to claim 1 and 2, is characterized in that, described stop hole is screw, and stop component is limit screw, and screw to be located on valve body and to be corresponded to adjustable valve gap medium position place.
7. the valve of metering liquid material flow according to claim 1 and 2, it is characterized in that, described heat-insulation layer is provided with preformed hole, and preformed hole is positioned at outside stop hole, and preformed hole and stop hole are positioned on same level position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310135698.3A CN103170611B (en) | 2013-04-18 | 2013-04-18 | Valve for measuring flow rate of liquid materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310135698.3A CN103170611B (en) | 2013-04-18 | 2013-04-18 | Valve for measuring flow rate of liquid materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103170611A CN103170611A (en) | 2013-06-26 |
| CN103170611B true CN103170611B (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310135698.3A Active CN103170611B (en) | 2013-04-18 | 2013-04-18 | Valve for measuring flow rate of liquid materials |
Country Status (1)
| Country | Link |
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| CN (1) | CN103170611B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935116B (en) * | 2014-03-21 | 2016-09-07 | 浙江海悦自动化机械股份有限公司 | A kind of printing mechanism of grid printing forming machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100236554B1 (en) * | 1997-06-04 | 2000-01-15 | 이한중 | Automatic constant feeder of metal solution |
| JP4315395B2 (en) * | 2007-04-27 | 2009-08-19 | 新東工業株式会社 | Automatic pouring control method, servo motor control system for automatic pouring device, and storage medium storing tilt control program for ladle |
| CN100569416C (en) * | 2008-03-18 | 2009-12-16 | 中南大学 | A kind of constant fluid level control device of fused mass box for casting |
| CN203265607U (en) * | 2013-04-18 | 2013-11-06 | 李斌 | Valve used for measuring liquid material flow |
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2013
- 2013-04-18 CN CN201310135698.3A patent/CN103170611B/en active Active
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| Publication number | Publication date |
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| CN103170611A (en) | 2013-06-26 |
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| ASS | Succession or assignment of patent right |
Owner name: XIANG YANG Free format text: FORMER OWNER: LI BIN Effective date: 20140324 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 411100 XIANGTAN, HUNAN PROVINCE TO: 410008 CHANGSHA, HUNAN PROVINCE |
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Effective date of registration: 20140324 Address after: 410008 Hunan province Changsha Kaifu District, King Lane 69, room 703 Applicant after: Xiang Yang Address before: 411100 Hunan province Xiangtan City Yuhu District Xi Chun Lu Hua Feng Spring City Building 4 unit 501 room 2 Applicant before: Li Bin |
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