CN203330132U - Aluminum strip plate cast rolling machine front box aluminum liquid level height control system - Google Patents
Aluminum strip plate cast rolling machine front box aluminum liquid level height control system Download PDFInfo
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- CN203330132U CN203330132U CN2013203193219U CN201320319321U CN203330132U CN 203330132 U CN203330132 U CN 203330132U CN 2013203193219 U CN2013203193219 U CN 2013203193219U CN 201320319321 U CN201320319321 U CN 201320319321U CN 203330132 U CN203330132 U CN 203330132U
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- liquid level
- aluminium
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- guide rod
- aluminium liquid
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Abstract
The utility model discloses an aluminum strip plate cast rolling machine front box aluminum liquid level height control system which comprises an aluminum liquid level height detection device and an aluminum liquid level height automatic control device. The aluminum liquid level height detection device comprises a swing support which is rotationally installed on a fixing support, an angular displacement sensor is installed on the swing support, the input end of the angular displacement sensor is connected with the middle portion of a transverse guide rod, the output end of the angular displacement sensor is connected with the corresponding signal end of a controller, a balancing weight block is installed at one end of the transverse guide rod, the other end of the transverse guide rod is connected with the upper end portion of a vertical guide rod, and the lower end portion of the vertical guide rod is connected with a buoy. The aluminum liquid level height automatic control device comprises a flow control choke plug arranged corresponding to the aluminum liquid flow control outlet of a front box, and the flow control choke plug is connected with a choke plug opening-closing control mechanism. The aluminum strip plate cast rolling machine front box aluminum liquid level height control system can automatically control the liquid level height of aluminum liquid in the aluminum strip plate cast rolling machine front box, and is high in control precision.
Description
Technical field
The utility model relates to the front case aluminium liquid liquid surface height controlling system of a kind of Aluminium Strip Caster, belongs to aluminium strip base rolling casting technology field.
Background technology
Current Aluminium Strip Caster comprises holding furnace, front case, casting and rolling device, coiling machine, the flow export of this holding furnace and the corresponding setting of inflow entrance of being somebody's turn to do front case, so that the aluminium liquid in holding furnace flows in front case smoothly, this casting and rolling device comprises frame, lip, roll, before being somebody's turn to do, the delivery outlet of case is connected with this lip, make the aluminium liquid in front case flow into lip, via lip, aluminium liquid is injected on the roll of water quench, make aluminium liquid wide to distribution along roller surface, cooling, solidify, then through roll roll forming, form cast-rolling aluminum strip, then after cast-rolling aluminum strip leaves roller gap, pass through successively outlet roller, pinch roll, hydraulic shear, the respective handling of rectification roll, by coiling machine, batched, thereby the workman unloads coiled material from coiling machine, complete whole casting production process, wherein, it is to guarantee continuous casting and rolling production that the aluminium liquid that in front case, the difference in height on aluminium liquid liquid level and rolling centerline plane produces reaches balance for aluminium liquid surface tension in stream static pressure and casting district, one of necessary condition of product quality, therefore, flow control to front case aluminium liquid liquid level is key factor, once in front case, aluminium liquid fluctuation of level scope surpasses permissible value, just can cause cast-rolling aluminum strip surface defects to occur, serious words, also can cause Lou aluminium or disconnected plate accident.And current existing flow control mode adopts artificial flow control mostly, the mechanical type flow control is also arranged, but artificial flow control and mechanical type flow control are all very low to the control accuracy of aluminium liquid liquid level, and labor strength is large, processing safety is poor, haves much room for improvement.
The utility model content
The purpose of this utility model is to provide a kind of Aluminium Strip Caster front case aluminium liquid liquid surface height controlling system, this system can carry out the aluminium liquid liquid level in case before Aluminium Strip Caster automatically controlling in real time, and control accuracy is high, and easy to operate, safe and reliable, long service life.
To achieve these goals, the utility model has adopted following technical scheme:
Case aluminium liquid liquid surface height controlling system before a kind of Aluminium Strip Caster, it is characterized in that: it comprises aluminium liquid liquid level detection device and aluminium liquid liquid level automaton, wherein:
This aluminium liquid liquid level detection device comprises swinging mounting, angular displacement sensor, balancing weight, horizontal guide rod, perpendicular guide rod, cursory, this swinging mounting is rotatably installed on fixed support, this angular displacement sensor is arranged on this swinging mounting, the input of this angular displacement sensor is connected with the middle part of this horizontal guide rod, the output of this angular displacement sensor is connected with the corresponding signal end of controller, one end of this horizontal guide rod is equipped with this balancing weight, the other end of this horizontal guide rod is connected with the vertical upper end that should erect guide rod arranged, it is cursory that the bottom of this perpendicular guide rod is connected with,
This aluminium liquid liquid level automaton comprises the flow control plug, this flow control plug and the corresponding setting of aluminium liquid flow control delivery outlet of offering on case before this, this flow control plug is connected with plug folding controlling organization, and the control end of this plug folding controlling organization is connected with the corresponding signal end of this controller.
Described plug folding controlling organization comprises push rod, support frame, one end and this support frame of this push rod of horizontally set are rotationally connected, this support frame is provided with electric cylinder, the control end of this electric cylinder is connected with the corresponding signal end of described controller, the bottom connection of the output of this electric cylinder and the other end of this push rod touches, on this push rod, with the corresponding end of this electric cylinder, with an end of extension spring, be connected, the other end of this extension spring is connected with an end of yaw bar on the fulcrum arranged on this push rod, the other end of this yaw bar is equipped with rotating shaft, described flow control plug is connected with this rotating shaft via the plug fixed support, the movable fixed mount be fixedly connected with the sidewall of described front case that is equipped with in this rotating shaft, this fixed mount plays the effect of support to this yaw bar and this rotating shaft.
Described electric cylinder is the step type electric cylinder.Described flow control plug is taper towards an end of described aluminium liquid flow control delivery outlet.In described rotating shaft, activity is equipped with two described fixed mounts, and two described fixed mounts, two sidewalls relative with described front case respectively are fixedly connected with, and described flow control plug is between two described fixed mounts.
The utility model has the advantages that:
The utility model can carry out the aluminium liquid liquid level in case before Aluminium Strip Caster automatically controlling in real time, control accuracy is high, can make the fluctuation range of aluminium liquid liquid level in front case be no more than permissible value, in actual experiment, the utility model can make the be not more than ± 0.5mm of fluctuation of aluminium liquid liquid level in front case, thereby avoided cast-rolling aluminum strip the generation of the accidents such as surface defects, leakage aluminium or disconnected plate to occur, and the utility model is easy to operate, cost of labor is low, safe and reliable, long service life.
The accompanying drawing explanation
Fig. 1 is the composition schematic diagram of the aluminium liquid liquid level detection device in the utility model system;
Fig. 2 is the composition schematic diagram of the aluminium liquid liquid level automaton in the utility model system;
Fig. 3 is that schematic diagram is looked on the right side of Fig. 2.
The specific embodiment
Before the utility model Aluminium Strip Caster, case aluminium liquid liquid surface height controlling system is for the front case of Aluminium Strip Caster.In general, this Aluminium Strip Caster comprises holding furnace, front case, casting and rolling device, coiling machine, the flow export of this holding furnace and the corresponding setting of inflow entrance of being somebody's turn to do front case, so that flowing into smoothly, the aluminium liquid in this holding furnace is somebody's turn to do in front case, this casting and rolling device comprises frame, lip, roll, before being somebody's turn to do, the delivery outlet of case is connected with this lip, so that before being somebody's turn to do, the aluminium liquid in case flows into this lip, via this lip, aluminium liquid is injected on this roll of water quench, make aluminium liquid wide to distribution along this roller surface, cooling, solidify, then through this roll roll forming, form cast-rolling aluminum strip, then after cast-rolling aluminum strip leaves this roller gap, pass through successively outlet roller, pinch roll, hydraulic shear, the respective handling of rectification roll, by this coiling machine, batched, thereby the workman unloads coiled material from this coiling machine, complete whole casting production process.Certainly, Aluminium Strip Caster also can comprise miscellaneous equipment, is not limited to above-mentioned.
As figure, before the utility model Aluminium Strip Caster, case aluminium liquid liquid surface height controlling system comprises aluminium liquid liquid level detection device and aluminium liquid liquid level automaton, wherein:
As shown in Figure 1, this aluminium liquid liquid level detection device comprises swinging mounting 11, angular displacement sensor 15, balancing weight 13, horizontal guide rod 14, perpendicular guide rod 16, cursory 17, this swinging mounting 11 horizontally rotates and is arranged on fixed support 12, this angular displacement sensor 15 is arranged on this swinging mounting 11, the input of this angular displacement sensor 15 is connected with the middle part of this horizontal guide rod 14, the output of this angular displacement sensor 15 is connected with the corresponding signal end of controller (not shown), one end of this horizontal guide rod 14 is equipped with this balancing weight 13, the other end of this horizontal guide rod 14 is connected with the vertical upper end that should erect guide rod 16 arranged, usually, should with this horizontal guide rod 14, can vertically arrange by perpendicular guide rod 16, the bottom that should erect guide rod 16 is connected with cursory 17,
This aluminium liquid liquid level automaton comprises flow control plug 23, this flow control plug 23 and the corresponding setting of aluminium liquid flow control delivery outlet (not shown) of offering on case 31 before this, this flow control plug 23 is connected with plug folding controlling organization, and the control end of this plug folding controlling organization is connected with the corresponding signal end of this controller.
As Fig. 2 and Fig. 3, this plug folding controlling organization comprises push rod 222, support frame 221, one end and this support frame 221 of this push rod 222 of horizontally set are rotationally connected, this support frame 221 is provided with electric cylinder 29, the control end of this electric cylinder 29 is connected with the corresponding signal end of controller, the bottom connection of the other end of the output of this electric cylinder 29 and this push rod 222 touches, on this push rod 222, with the corresponding end of this electric cylinder 29, with an end of extension spring 27, be connected, the other end of this extension spring 27 is connected with an end of yaw bar 26 on the fulcrum 28 arranged on this push rod 222, the effect of this extension spring 27 is the motion rigidity of controlling the range up and down of yaw bar 26 and reducing yaw bar 26, the other end of this yaw bar 26 is equipped with rotating shaft 25, flow control plug 23 is connected with this rotating shaft 25 via plug fixed support 24, the movable fixed mount 21 be fixedly connected with the sidewall of front case 31 that is equipped with in this rotating shaft 25, the effect of support is played in 21 pairs of these yaw bars of this fixed mount 26 and this rotating shaft 25.
When reality is used, this push rod 222 be take support frame 221 because of the expanding-contracting action of the output of this electric cylinder 29 and is rotated up and down as benchmark, thereby driving yaw bar 26 is rotated via fulcrum 28 with rotating shaft 25, the rotation of rotating shaft 25 drives flow control plug 23 via plug fixed support 24 and is rotated, thereby realize this flow control plug 23 and be somebody's turn to do between the aluminium liquid flow control delivery outlet of offering on front case 31 carrying out opening and closing movement, and the folding between this flow control plug 23 and aluminium liquid flow control delivery outlet changes the variation that has just caused the aluminium flow quantity, thereby realize the control to aluminium liquid 32 flows in front case 31, then realize the control of aluminium liquid liquid level, aluminium liquid liquid level in front case 31 is equaled or close to aluminium liquid liquid level desired value.
In actual design, electric cylinder 29 can be the step type electric cylinder, and the opening degree size between flow control plug 23 and aluminium liquid flow control delivery outlet can be accurately controlled in the employing of step type electric cylinder, accurately controls the flow that aluminium liquid flows out from aluminium liquid flow control delivery outlet.In actual design, the extension and contraction control mode of the electric cylinder in the utility model has manually and automatic two kinds, the configuration manual mode can be convenient to before via the utility model system, carrying out the flow control operation, according to the requirement of production technology, the opening degree between aluminium liquid flow control delivery outlet and flow control plug is carried out to accurate adjustment by operating personnel, to improve flow control effect.
As Fig. 2, flow control plug 23 is taper towards an end of aluminium liquid flow control delivery outlet, as shown in Figure 2.As Fig. 2, in rotating shaft 25 movable be equipped with 21, two fixed mounts 21 of two fixed mounts respectively two sidewalls relative with front case 31 be fixedly connected with, flow control plug 23 is between two fixed mounts 21.
In the utility model, plug folding controlling organization also can adopt existing folding controlling organization, is not here described in detail.
In actual design, the utility model system also can be provided with audible-visual annunciator, this audible-visual annunciator is connected with controller, when fortuitous event occurring, while as aluminium liquid fluctuation of level scope, exceeding threshold value, this audible-visual annunciator can send the sound and light alarm signal, reminds in time operating personnel's checkout facility, prevents that major accident from occurring.
In the utility model, angular displacement sensor 15, controller etc. are the existing electronic product in this area, and its concrete formation does not here describe in detail.
Before the utility model Aluminium Strip Caster, case aluminium liquid liquid surface height controlling system can adopt following aluminium liquid liquid surface height controlling method to realize that the method comprises the steps: to the control of front case aluminium liquid liquid level
Step 1: set aluminium liquid liquid level desired value (as shown in phantom in Figure 1) according to manufacturing technique requirent, and carry out the angle reference value of set angle displacement transducer 15 for this aluminium liquid liquid level desired value of setting;
Step 2: rotate swinging mounting 11 and by the setting to balancing weight 13 positions, make cursory 17 to swim in front case 31 and need to carry out on aluminium liquid 32 liquid levels of height detection, usually, cursory 17 bottom surface is considered as concordant with aluminium liquid liquid level;
Step 3: by swimming in the effect of the cursory 17 pairs of horizontal guide rods 14 on these aluminium liquid 32 liquid levels, undulating value (difference) between 15 pairs of aluminium liquid liquid level actual values of angular displacement sensor (be cursory 17 Floating Height) and this aluminium liquid liquid level desired value is detected and angular deviation signal (being the angular deviation value between angle actual value and angle reference value) that detection is obtained sends controller to, by leverage, the undulating value between aluminium liquid liquid level actual value and this aluminium liquid liquid level desired value is converted to the angular deviation value of angular displacement sensor 15;
Step 4: controller is controlled plug folding controlling organization according to this angular deviation signal received, by plug folding controlling organization, the folding between flow control plug 23 and aluminium liquid flow control delivery outlet is driven to (original state between flow control plug 23 and aluminium liquid flow control delivery outlet is for closed), thereby aluminium flow quantity in front case 31 is controlled, aluminium liquid liquid level is changed to this aluminium liquid liquid level desired value;
Step 5: repeated execution of steps 3-4, aluminium liquid liquid level in front case 31 is equaled or close to this aluminium liquid liquid level desired value, reach dynamic equilibrium between the aluminium flow quantity that the aluminium flow quantity that holding furnace is flowed into, aluminium liquid flow control delivery outlet flow out and aluminium liquid liquid level three, realize the automatic control to aluminium liquid liquid level.
The utility model has the advantages that:
By cursory and design angular displacement sensor, the utility model can be detected the aluminium liquid liquid level in the front case of Aluminium Strip Caster in real time, thereby the control by plug folding controlling organization to the flow control plug, aluminium flow quantity in front case is controlled, aluminium liquid liquid level is now changed to aluminium liquid liquid level desired value, finally close to or equal aluminium liquid liquid level desired value, realize the automatic control of aluminium liquid liquid level.
The utility model can carry out the aluminium liquid liquid level in case before Aluminium Strip Caster automatically controlling in real time, control accuracy is high, can make the fluctuation range of aluminium liquid liquid level in front case be no more than permissible value, in actual experiment, the utility model can make the be not more than ± 0.5mm of fluctuation of aluminium liquid liquid level in front case, thereby avoided cast-rolling aluminum strip the generation of the accidents such as surface defects, leakage aluminium or disconnected plate to occur, and the utility model is easy to operate, cost of labor is low, safe and reliable, long service life.
The above is preferred embodiment of the present utility model and the know-why used thereof; for a person skilled in the art; in the situation that do not deviate from spirit and scope of the present utility model; the apparent changes such as any equivalent transformation based on the technical solutions of the utility model basis, simple replacement, within all belonging to the utility model protection domain.
Claims (5)
1. case aluminium liquid liquid surface height controlling system before an Aluminium Strip Caster, it is characterized in that: it comprises aluminium liquid liquid level detection device and aluminium liquid liquid level automaton, wherein:
This aluminium liquid liquid level detection device comprises swinging mounting, angular displacement sensor, balancing weight, horizontal guide rod, perpendicular guide rod, cursory, this swinging mounting is rotatably installed on fixed support, this angular displacement sensor is arranged on this swinging mounting, the input of this angular displacement sensor is connected with the middle part of this horizontal guide rod, the output of this angular displacement sensor is connected with the corresponding signal end of controller, one end of this horizontal guide rod is equipped with this balancing weight, the other end of this horizontal guide rod is connected with the vertical upper end that should erect guide rod arranged, it is cursory that the bottom of this perpendicular guide rod is connected with,
This aluminium liquid liquid level automaton comprises the flow control plug, this flow control plug and the corresponding setting of aluminium liquid flow control delivery outlet of offering on case before this, this flow control plug is connected with plug folding controlling organization, and the control end of this plug folding controlling organization is connected with the corresponding signal end of this controller.
2. case aluminium liquid liquid surface height controlling system before Aluminium Strip Caster as claimed in claim 1, it is characterized in that: described plug folding controlling organization comprises push rod, support frame, one end and this support frame of this push rod of horizontally set are rotationally connected, this support frame is provided with electric cylinder, the control end of this electric cylinder is connected with the corresponding signal end of described controller, the bottom connection of the output of this electric cylinder and the other end of this push rod touches, on this push rod, with the corresponding end of this electric cylinder, with an end of extension spring, be connected, the other end of this extension spring is connected with an end of yaw bar on the fulcrum arranged on this push rod, the other end of this yaw bar is equipped with rotating shaft, described flow control plug is connected with this rotating shaft via the plug fixed support, the movable fixed mount be fixedly connected with the sidewall of described front case that is equipped with in this rotating shaft, this fixed mount plays the effect of support to this yaw bar and this rotating shaft.
3. case aluminium liquid liquid surface height controlling system before Aluminium Strip Caster as claimed in claim 2, it is characterized in that: described electric cylinder is the step type electric cylinder.
4. case aluminium liquid liquid surface height controlling system before Aluminium Strip Caster as claimed in claim 2, it is characterized in that: described flow control plug is taper towards an end of described aluminium liquid flow control delivery outlet.
5. case aluminium liquid liquid surface height controlling system before Aluminium Strip Caster as claimed in claim 2, it is characterized in that: in described rotating shaft, activity is equipped with two described fixed mounts, two described fixed mounts, two sidewalls relative with described front case respectively are fixedly connected with, and described flow control plug is between two described fixed mounts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203193219U CN203330132U (en) | 2013-06-04 | 2013-06-04 | Aluminum strip plate cast rolling machine front box aluminum liquid level height control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203193219U CN203330132U (en) | 2013-06-04 | 2013-06-04 | Aluminum strip plate cast rolling machine front box aluminum liquid level height control system |
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| Publication Number | Publication Date |
|---|---|
| CN203330132U true CN203330132U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203193219U Expired - Lifetime CN203330132U (en) | 2013-06-04 | 2013-06-04 | Aluminum strip plate cast rolling machine front box aluminum liquid level height control system |
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| CN (1) | CN203330132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264051A (en) * | 2013-06-04 | 2013-08-28 | 涿州北方重工设备设计有限公司 | System and method for controlling level of molten aluminum in front box of aluminum strip billet cast-rolling machine |
| CN104181960A (en) * | 2014-08-22 | 2014-12-03 | 衡阳镭目科技有限责任公司 | Liquid level measurement and control device for molten aluminum in front box of aluminum cast-rolling machine |
-
2013
- 2013-06-04 CN CN2013203193219U patent/CN203330132U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264051A (en) * | 2013-06-04 | 2013-08-28 | 涿州北方重工设备设计有限公司 | System and method for controlling level of molten aluminum in front box of aluminum strip billet cast-rolling machine |
| CN103264051B (en) * | 2013-06-04 | 2015-01-28 | 涿州北方重工设备设计有限公司 | System and method for controlling level of molten aluminum in front box of aluminum strip billet cast-rolling machine |
| CN104181960A (en) * | 2014-08-22 | 2014-12-03 | 衡阳镭目科技有限责任公司 | Liquid level measurement and control device for molten aluminum in front box of aluminum cast-rolling machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
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| CX01 | Expiry of patent term |