CN105478700A - Liquid level control device - Google Patents
Liquid level control device Download PDFInfo
- Publication number
- CN105478700A CN105478700A CN201510958142.3A CN201510958142A CN105478700A CN 105478700 A CN105478700 A CN 105478700A CN 201510958142 A CN201510958142 A CN 201510958142A CN 105478700 A CN105478700 A CN 105478700A
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- Prior art keywords
- lever
- stopper
- control device
- level control
- liquid level
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
- B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a liquid level control device which comprises a rack, a lever, a stopper rod and a buoy, wherein the lever is arranged on the rack in a pivoting manner; the stopper rod is arranged at a first end of the lever; the buoy is arranged at a second end of the lever; one end of the stopper rod is movably connected with the lever, so as to allow the stopper rod to be vertically hung above a lower injection pipe all the time; the buoy and the stopper rod are positioned at the same side of the lever; the buoy is connected with the lever through a buoy connecting rod. The buoy at the second end of the lever rises and falls along with the liquid level, and the stopper rod at the first end of the lever moves opposite to the buoy; if the liquid level rises, the stopper rod falls, and a gap between the stopper rod and the lower injection pipe is narrowed, if the liquid level falls, the stopper rod rises, and the gap between the stopper rod and the lower injection pipe is enlarged, so that the increase and decrease of a flow rate are controlled automatically according to the rising and falling of the liquid level in a crystallizer, dynamic equilibrium of the liquid level in the crystallizer is realized, and the liquid level is kept within a reasonable range; no liquid level tumble can be caused; the introduction of secondary pollution is avoided; and a pure mechanical structure is adopted, so that the liquid level control device is simple in structure, and low in manufacturing cost and maintenance cost.
Description
Technical field
The present invention relates to aluminum alloy melt casting technical field, particularly a kind of fluid level control device.
Background technology
In aluminum alloy melt casting is produced, in order to ensure that ingot casting is shaped smoothly, improve metallurgical quality, we need controlling for the aluminium liquid liquid level in stream and crystallizer of convection disc, make it to reach a metastable state.
In prior art, mainly contain two kinds for controlling flow table for the device of liquid level in flow and crystallizer: one is ship type funnel, during use, puts into ship type funnel in aluminium liquid, is placed in below bet pipe.The buoyancy utilizing aluminium liquid in crystallizer to give ship type funnel controls to bet and manages the folding gap with ship type funnel, make it to reach a dynamic equilibrium, thus realize the object controlling liquid level, but ship type funnel needs to put into aluminium liquid again after shop fixtures and slag hitting complete, this can cause liquid level to roll, destroy the established oxide-film in aluminium liquid surface, cause secondary pollution, affect casting quality; The another kind of stopper be connected with liquid level detector by executing agency, during use, stopper is suspended from directly over bet pipe, along with the rising of liquid level in crystallizer after starting for stream, liquid level detector passes the signal along to executing agency, executing agency drives stopper to decline, and reducing for ebb interval between stopper and bet pipe, reduces for flow; When liquid level in crystallizer is lower than operational height, executing agency's action, stopper rises, increasing for ebb interval between stopper and bet pipe, increase for flow, the object controlling liquid level is realized with this, controlling liquid level by stopper can not cause liquid level to roll, also would not destroy oxide-film and cause secondary pollution, it is a kind of ideal fluid level control device, but this device needs to use the price equipment such as liquid level detector, executing agency costly, and cost is higher, and need often to safeguard it.
Therefore, how to provide a kind of fluid level control device, make it while guarantee aluminum alloy melt casting quality, reduce and manufacture and maintenance cost, become the important technological problems that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of fluid level control device, make it while guarantee aluminum alloy melt casting quality to reach, reduce the object of manufacture and maintenance cost.
For achieving the above object, the invention provides following technical scheme:
A kind of fluid level control device, comprising:
Frame;
Lever, be arranged in described frame pivotly, described lever first end is provided with stopper, it is cursory that second end is provided with, described stopper one end is flexibly connected with described lever to enable described stopper vertically overhang the top of pipe of betting all the time, described cursory and described stopper is positioned at the homonymy of described lever, to be describedly cursoryly connected with described lever by cursory connecting rod.
Preferably, described stopper is flexibly connected with described lever by stopper suspension member, described stopper suspension member is hollow tube-shape, and be sleeved on the end for being connected with described lever of described stopper, described stopper suspension member is arranged on described lever rotationally by the rotating shaft on its lateral wall.
Preferably, described rotating shaft is provided with two, is symmetricly set in described stopper suspension member both sides.
Preferably, described lever first end is provided with and penetrates described lever thickness direction and the holding tank that can enter for described stopper suspension member, the surface that described lever first end deviates from described bet pipe is provided with two grooves for coordinating with described rotating shaft, described two grooves are positioned at the both sides of described holding tank and the line of described two grooves is vertical with the length direction of described lever, after described stopper suspension member enters described holding tank, described stopper is hung over the first end of described lever by two described rotating shafts respectively with two described groove fit.
Preferably, described holding tank is U-shaped open slot.
Preferably, described groove is L shape, and the first end of described L connected in star is opening, is arranged at described lever first end and deviates from the surface of described bet pipe, and the second end extends to the direction away from described lever second end.
Preferably, described cursory connecting rod comprises the head rod and the second connecting rod that are connected by everything shaft coupling, described head rod is connected and the second end of described lever away from one end of described second connecting rod, and it is described cursory that described second connecting rod is connected with away from one end of described head rod.
Preferably, described frame is Z-shaped, comprise middle plate and be arranged at the first wing plate and second wing plate at described middle plate two ends, described lever is arranged on described first wing plate, described second wing plate is provided with for carrying out spacing stopper slot to described second connecting rod.
Preferably, the second end of described lever is also provided with the ballast box for holding counterweight.
Preferably, also comprise leveling block, described lever is provided with chute along its length, described leveling block is slidably disposed in described chute.
As can be seen from technique scheme, the invention provides a kind of fluid level control device, comprise frame, lever, stopper and cursory, wherein, frame mainly plays a part to support its upper-part; Lever is arranged in frame pivotly, lever first end is provided with stopper, and it is cursory that the second end is provided with, and stopper one end is flexibly connected with lever to enable stopper vertically overhang the top of pipe of betting all the time, the cursory homonymy being positioned at lever with stopper, is cursoryly connected with lever by cursory connecting rod;
Under original state, lever is in level or cursoryly slightly overweights stopper, and lever second end is in sinking state, after starting for stream, the bet pipe of aluminium liquid on flow table enters in crystallizer, and in crystallizer, liquid level rises, and cursoryly contacts with liquid level, along with the continuation of liquid level is risen, to drive the original state in cursory change lever two ends, make lever second end increase, the first end with stopper declines, thus space between stopper and bet pipe is reduced, to reduce aluminium liquid for flow; After reducing a period of time for flow, in crystallizer, liquid level declines, and cursory with the decline of aluminium liquid liquid level, the first end with stopper rises gradually, to increase stopper and the gap of bet pipe, increases aluminium liquid for flow; Said apparatus can control by the lifting of liquid level in crystallizer the increase and decrease supplying flow voluntarily, the liquid level in crystallizer is made to realize dynamic equilibrium, remain in rational scope, liquid level can not be caused to roll simultaneously, avoid introducing secondary pollution, and adopt pure frame for movement, structure is simple, cost of manufacture and maintenance cost low.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The perspective view of the fluid level control device that Fig. 1 provides for the embodiment of the present invention;
The front view of the fluid level control device that Fig. 2 provides for the embodiment of the present invention;
The side view of the fluid level control device that Fig. 3 provides for the embodiment of the present invention;
The top view of the fluid level control device that Fig. 4 provides for the embodiment of the present invention.
Detailed description of the invention
The invention provides a kind of fluid level control device, make it while guarantee aluminum alloy melt casting quality to reach, reduce the object of manufacture and maintenance cost.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 4, the perspective view of the fluid level control device that Fig. 1 provides for the embodiment of the present invention; The front view of the fluid level control device that Fig. 2 provides for the embodiment of the present invention; The side view of the fluid level control device that Fig. 3 provides for the embodiment of the present invention; The top view of the fluid level control device that Fig. 4 provides for the embodiment of the present invention.
Embodiments provide a kind of fluid level control device, comprise frame 10, lever 5, stopper 2 and cursory 9.
Wherein, frame 10 mainly plays a part to support its upper-part; Lever 5 is arranged in frame 10 pivotly, lever 5 first end is provided with stopper 2, second end is provided with cursory 9, stopper 2 one end is flexibly connected with lever 5 to make stopper 2 vertically can overhang the top of pipe 1 of betting all the time, cursory 9 are positioned at the homonymy of lever 5 with stopper 2, and cursory 9 are connected with lever 5 by cursory connecting rod 8.
Compared with prior art, the fluid level control device that the embodiment of the present invention provides, in an initial condition, lever 5 is in level or cursory 9 and slightly overweights stopper 2, and lever 5 second end is in sinking state; After starting for stream, the bet pipe 1 of aluminium liquid on flow table enters in crystallizer, in crystallizer, liquid level rises, cursory 9 contact with liquid level, along with the continuation of liquid level is risen, cursory 9 will be driven to change the original state in lever 5 two ends, lever 5 second end is made to increase, first end with stopper 2 declines, thus space between stopper 2 and bet pipe 1 is reduced, to reduce aluminium liquid for flow; After reducing a period of time for flow, in crystallizer, liquid level declines, and cursory 9 decline with aluminium liquid liquid level, and the first end with stopper 2 rises gradually, to increase stopper 2 and the gap of bet pipe 1, increases aluminium liquid for flow; Said apparatus can control by the lifting of liquid level in crystallizer the increase and decrease supplying flow voluntarily, the liquid level in crystallizer is made to realize dynamic equilibrium, remain in rational scope, liquid level can not be caused to roll simultaneously, avoid introducing secondary pollution, and adopt pure frame for movement, structure is simple, cost of manufacture and maintenance cost low.
Stopper 2 can realize being flexibly connected with lever 5 in several ways, connect as by loose-leaf device, can vertically overhang above bet pipe 1 all the time to make stopper 2, the rotating shaft 3 of loose-leaf device must with the length direction of lever 5 and thickness direction all vertical, other structure can certainly be adopted to realize being flexibly connected, in embodiments of the present invention, stopper 2 is flexibly connected with lever 5 by stopper suspension member 4, stopper suspension member 4 is in hollow tube-shape, be sleeved on the end for being connected with lever 5 of stopper 2, stopper suspension member 4 is arranged on lever 5 rotationally by the rotating shaft 3 on its lateral wall.
The mode be connected with lever 5 by rotating shaft 3 has multiple, such as rotating shaft 3 can only arrange one, be positioned at the side of stopper suspension member 4, and lever 5 first end is provided with rotating shaft 3 hole coordinated with described rotating shaft 3, after rotating shaft 3 passes rotating shaft 3 hole from lever 5 side, lock at lever 5 opposite side and locking member, thus realize the connection of stopper 2 and lever 5, in embodiments of the present invention, for the ease of assembling, rotating shaft 3 is provided with two, is symmetricly set in stopper suspension member 4 both sides.
In order to optimize technique scheme further, in embodiments of the present invention, lever 5 first end is provided with and penetrates lever 5 thickness direction and the holding tank that can enter for stopper suspension member 4, the surface that lever 5 first end deviates from bet pipe 1 is provided with two grooves for coordinating with rotating shaft 3, two grooves are positioned at the both sides of holding tank and the line of two grooves is vertical with the length direction of lever 5, after stopper suspension member 4 enters holding tank, stopper 2 is hung over the first end of lever 5 by two rotating shafts 3 respectively with two groove fit, so in an assembling process, can between stopper 2 hung over the first end of lever 5, be convenient to assembling and dismounting, provide convenience for changing stopper 2.
Further, for the ease of the turnover of stopper suspension member 4, in embodiments of the present invention, holding tank is U-shaped open slot.
Groove can adopt various shape, such as comparatively common semicircle column type, rectangle etc., but in actual applications, the first end of lever 5 needs to drive stopper 2 to be elevated, if groove adopts above-mentioned shape, when position between rotating shaft 3 and groove changes, rotating shaft 3 is easily deviate from from groove, thus leveling device was lost efficacy, therefore, in embodiments of the present invention, groove shapes is L shape, the first end of L connected in star is opening, being arranged at lever 5 first end deviates from the surface of bet pipe 1, second end extends to the direction away from lever 5 second end, like this, after rotating shaft 3 enters groove, no matter the rotational angle of lever 5 has much, can both ensure that rotating shaft 3 is in groove all the time, rotating shaft 3 and groove is avoided to depart from.
After the buoyancy being subject to aluminium liquid, lever 5 second end is driven to rise in time in order to make cursory 9, cursory 9 must be connected with lever 5 second end by hard connector, cursory connecting rod 8 namely in this programme, when but if cursory connecting rod 8 is single entirety, when lever 5 leaves level, cursory 9 are difficult to and aluminium liquid liquid level keeping parallelism, this can affect the buoyancy suffered by cursory 9, thus affect the control of liquid level in crystallizer, therefore, in embodiments of the present invention, cursory connecting rod 8 is made up of two parts, comprise the head rod 81 and the second connecting rod 83 that are connected by everything shaft coupling 82, head rod 81 is connected and the second end of lever 5 away from one end of the second connecting rod 83, second connecting rod 83 is connected with cursory 9 away from one end of head rod 81, like this, no matter how lever 5 rotates, due to the existence of Hooks coupling universal coupling, cursory 9 all can all the time with liquid level keeping parallelism, thus ensure the accuracy of fluid level control device, rotating shaft 3 can certainly be adopted to realize above-mentioned functions, but when connecting head rod 81 and the second connecting rod 83 by rotating shaft 3, rotating shaft 3 must be made to be in rational position, can ensure that cursory 9 is parallel with aluminium liquid liquid level all the time, this can increase the processing and manufacturing difficulty of fluid level control device.
Adopt Hooks coupling universal coupling as the connector of head rod 81 and the second connecting rod 83, although can manufacture difficulty be reduced, but because Hooks coupling universal coupling can make the second connecting rod 83 rotate to any direction, cursory 9 when unbalance stress, easily depart from the perpendicular at lever 5 length direction and head rod 81 place, therefore, in order to optimize technique scheme further, in embodiments of the present invention, frame 10 is Z-shaped, comprise middle plate and be arranged at the first wing plate and second wing plate at middle plate two ends, lever 5 is arranged on the first wing plate, second wing plate is provided with for carrying out spacing stopper slot to the second connecting rod 83, by the position-limiting action of stopper slot, second connecting rod 83 is merely able to rotate in the perpendicular at lever 5 length direction and head rod 81 place, avoid cursory 9 sideslips.
In use for some time, cursory 9 and stopper 2 on may adhere to some materials, destroy the balance at lever 5 two ends, if cleared up cursory 9 and stopper 2, by the time of at substantial, during this period of time, be difficult to the founding work launching aluminium alloy, normal the carrying out produced will be had a strong impact on, in order to address this problem, in embodiments of the present invention, second end of lever 5 is also provided with the ballast box 7 for holding counterweight, by putting in ballast box 7 or taking out weight, can finely tune the balance at lever 5 two ends, thus make fluid level control device recover normal in the short period of time, save time.
In making and assembling process, be difficult to ensure that lever 5 two ends are in poised state, therefore, in embodiments of the present invention, fluid level control device also comprises leveling block 6, lever 5 is provided with chute along its length, leveling block 6 is slidably disposed in chute, after finishing assembly, by the adjustment position of leveling soon on lever 5, lever 5 can be made to be in poised state, and wherein one end is excessively heavy to avoid lever 5.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a fluid level control device, is characterized in that, comprising:
Frame (10);
Lever (5), be arranged in described frame (10) pivotly, described lever (5) first end is provided with stopper (2), second end is provided with cursory (9), described stopper (2) one end is flexibly connected to make described stopper (2) can vertically overhang all the time to bet and manage the top of (1) with described lever (5), described cursory (9) and described stopper (2) are positioned at the homonymy of described lever (5), and described cursory (9) are connected with described lever (5) by cursory connecting rod (8).
2. fluid level control device according to claim 1, it is characterized in that, described stopper (2) is flexibly connected with described lever (5) by stopper suspension member (4), described stopper suspension member (4) is in hollow tube-shape, be sleeved on the end for being connected with described lever (5) of described stopper (2), described stopper suspension member (4) is arranged on described lever (5) rotationally by the rotating shaft (3) on its lateral wall.
3. fluid level control device according to claim 2, is characterized in that, described rotating shaft (3) is provided with two, is symmetricly set in described stopper suspension member (4) both sides.
4. fluid level control device according to claim 3, it is characterized in that, described lever (5) first end is provided with and penetrates described lever (5) thickness direction and the holding tank that can enter for described stopper suspension member (4), the surface that described lever (5) first end deviates from described bet pipe (1) is provided with two grooves for coordinating with described rotating shaft (3), described two grooves are positioned at the both sides of described holding tank and the line of described two grooves is vertical with the length direction of described lever (5), after described stopper suspension member (4) enters described holding tank, described stopper (2) is hung over the first end of described lever (5) by two described rotating shafts (3) respectively with two described groove fit.
5. fluid level control device according to claim 4, is characterized in that, described holding tank is U-shaped open slot.
6. fluid level control device according to claim 4, it is characterized in that, described groove is L shape, the first end of described L connected in star is opening, be arranged at described lever (5) first end to deviate from the surface of described bet pipe (1), the second end extends to the direction away from described lever (5) second end.
7. fluid level control device according to claim 1, it is characterized in that, described cursory connecting rod (8) comprises the head rod (81) and the second connecting rod (83) that are connected by everything shaft coupling (82), described head rod (81) is connected and the second end of described lever (5) away from one end of described second connecting rod (83), and described second connecting rod (83) is connected with described cursory (9) away from one end of described head rod (81).
8. fluid level control device according to claim 7, it is characterized in that, described frame (10) is for Z-shaped, comprise middle plate and be arranged at the first wing plate and second wing plate at described middle plate two ends, described lever (5) is arranged on described first wing plate, described second wing plate is provided with for carrying out spacing stopper slot to described second connecting rod (83).
9. the fluid level control device according to claim 1-8, is characterized in that, the second end of described lever (5) is also provided with the ballast box (7) for holding counterweight.
10. the fluid level control device according to claim 1-8, it is characterized in that, also comprise leveling block (6), (5) are provided with chute along its length with described lever, and described leveling block (6) is slidably disposed in described chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510958142.3A CN105478700B (en) | 2015-12-19 | 2015-12-19 | A kind of fluid level control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510958142.3A CN105478700B (en) | 2015-12-19 | 2015-12-19 | A kind of fluid level control device |
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| Publication Number | Publication Date |
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| CN105478700A true CN105478700A (en) | 2016-04-13 |
| CN105478700B CN105478700B (en) | 2018-03-20 |
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| CN201510958142.3A Active CN105478700B (en) | 2015-12-19 | 2015-12-19 | A kind of fluid level control device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586885A (en) * | 2019-10-24 | 2019-12-20 | 广东工业大学 | Automatic liquid supplementing device |
| CN112570697A (en) * | 2020-12-17 | 2021-03-30 | 西南铝业（集团）有限责任公司 | Mechanical liquid level control tool |
| CN112756593A (en) * | 2021-01-26 | 2021-05-07 | 浙江鑫耐铝熔铸设备材料有限公司 | Full-automatic liquid level launder control system |
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| US4498521A (en) * | 1981-05-26 | 1985-02-12 | Kaiser Aluminum & Chemical Corporation | Molten metal level control in continuous casting |
| JPH0195849A (en) * | 1987-10-06 | 1989-04-13 | Kobe Steel Ltd | Method and device for controlling molten metal level in continuous casting |
| JPH07232242A (en) * | 1994-02-24 | 1995-09-05 | Hitachi Zosen Corp | Casting method in twin roll type continuous casting equipment |
| WO1997007912A1 (en) * | 1995-08-22 | 1997-03-06 | Wagstaff, Inc. | Molten metal admission control in casting |
| JPH11170021A (en) * | 1997-12-09 | 1999-06-29 | Sumitomo Metal Ind Ltd | Detection of unsteady bulging in continuous casting and method for controlling molten metal surface |
| JP2003145256A (en) * | 2001-11-09 | 2003-05-20 | Shinkawa Denki Kk | Method for judging minimum opening degree of pouring hole in ladle and judging instrument therefor |
| CN205496534U (en) * | 2015-12-19 | 2016-08-24 | 西南铝业（集团）有限责任公司 | Crystallizer level control apparatus |
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|---|---|---|---|---|
| US4498521A (en) * | 1981-05-26 | 1985-02-12 | Kaiser Aluminum & Chemical Corporation | Molten metal level control in continuous casting |
| JPH0195849A (en) * | 1987-10-06 | 1989-04-13 | Kobe Steel Ltd | Method and device for controlling molten metal level in continuous casting |
| JPH07232242A (en) * | 1994-02-24 | 1995-09-05 | Hitachi Zosen Corp | Casting method in twin roll type continuous casting equipment |
| WO1997007912A1 (en) * | 1995-08-22 | 1997-03-06 | Wagstaff, Inc. | Molten metal admission control in casting |
| JPH11170021A (en) * | 1997-12-09 | 1999-06-29 | Sumitomo Metal Ind Ltd | Detection of unsteady bulging in continuous casting and method for controlling molten metal surface |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586885A (en) * | 2019-10-24 | 2019-12-20 | 广东工业大学 | Automatic liquid supplementing device |
| CN112570697A (en) * | 2020-12-17 | 2021-03-30 | 西南铝业（集团）有限责任公司 | Mechanical liquid level control tool |
| CN112756593A (en) * | 2021-01-26 | 2021-05-07 | 浙江鑫耐铝熔铸设备材料有限公司 | Full-automatic liquid level launder control system |
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| CN105478700B (en) | 2018-03-20 |
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