CN210098911U - Aluminum rod ingot casting device for conveying chute liquid level stabilizing cable - Google Patents

Abstract

An aluminum rod ingot casting device for a cable with stable liquid level of a conveying chute comprises the conveying chute, a heat preservation furnace, an aluminum liquid flow control valve and a liquid level height detection mechanism, wherein the aluminum liquid flow control valve is used for controlling the opening size of a furnace mouth of the heat preservation furnace, the liquid level height detection mechanism is arranged above a liquid level monitoring section close to an aluminum receiving section, and the liquid level height detection mechanism comprises an infrared distance measurement sensor, a processor and a floating plate. Further avoiding the problems of over-flow or under-flow of the aluminum liquid in the cooling section caused by detection lag.

Description

Aluminum rod ingot casting device for conveying chute liquid level stabilizing cable

Technical Field

The utility model relates to an aluminium pole cast rolling equipment technical field for the cable, in particular to carry chute liquid level to stabilize aluminium pole ingot casting device for cable.

Background

The control of the liquid level of the aluminum rod for manufacturing the cable is very important in the casting and rolling process, the aluminum rod is stable and continuously supplies the aluminum liquid for the subsequent casting and rolling, which is an important premise for ensuring the product quality, the liquid level control in the prior art is delayed, the phenomenon of liquid passing or liquid lacking occurs, the aluminum rod cast subsequently is locally thinner, so that the problem of rod breakage occurs in the rolling process, the existing aluminum liquid holding furnace 20 is a tilting holding furnace 20, a horizontal rotating shaft 22 is arranged on the side wall of one side of the holding furnace 20, the holding furnace 20 can rotate along the horizontal rotating shaft 22, and therefore the flow of the aluminum liquid from a furnace nozzle 21 is controlled, the whole holding furnace 20 is heavy, the control is inflexible, and the hysteresis quality of the flow control of the aluminum liquid of the furnace nozzle 21 is further intensified.

Disclosure of Invention

In view of the above, it is necessary to provide an aluminum rod ingot casting device for a conveying launder liquid level stabilization cable, which can solve the problem of liquid level height detection lag of molten aluminum.

An aluminum rod ingot casting device for a cable with stable liquid level of a conveying chute comprises the conveying chute, a heat preservation furnace, an aluminum liquid flow control valve and a liquid level height detection mechanism, wherein the conveying chute comprises an aluminum receiving section, a liquid level monitoring section, a heat preservation section, a degassing section, an impurity removal section and a cooling section, the aluminum receiving section, the liquid level monitoring section, the heat preservation section, the degassing section, the impurity removal section and the cooling section are sequentially communicated and are positioned on the same horizontal plane, the front end of the aluminum receiving section is communicated with a furnace mouth of the heat preservation furnace so that aluminum liquid in the heat preservation furnace enters the aluminum receiving section through the furnace mouth, the rear end of the cooling section is connected with a rolling mill so that the condensed aluminum rod enters the rolling mill for rolling, a plurality of high-temperature-resistant sieve plates are arranged in the impurity removal section, the sieve plates are vertically inserted into the impurity removal section, the sieve plates are vertical to the flowing direction of the aluminum liquid in the impurity removal section, and are, the sieve mesh size of a plurality of high temperature resistant sieve plates reduces in proper order, is equipped with aluminium liquid flow control valve at the terminal surface of the furnace mouth of heat preservation stove, aluminium liquid flow control valve is used for controlling the aperture size of the furnace mouth of heat preservation stove to the flow that the control got into and received aluminium section aluminium liquid, aluminium liquid flow control valve includes flashboard body, flashboard frame, worm wheel, flashboard frame fixed mounting is in the top of receiving the aluminium section, worm wheel fixed mounting is on the flashboard frame, is equipped with the through-hole with worm threaded connection on the flashboard frame, and the upper end and the worm wheel of worm are connected, and the worm passes the through-hole on the flashboard frame, and the lower extreme and the flashboard body fixed connection of worm are equipped with the slide that matches with flashboard body shape on the flashboard frame, the flashboard body can follow the slide up-and-down linear motion to through worm wheel drive left-handed worm, the device comprises a furnace mouth, a liquid level height detection mechanism, a processor and a floating plate, wherein the furnace mouth is used for controlling the opening degree of the furnace mouth so as to control the flow rate of aluminum liquid entering an aluminum receiving section, the liquid level height detection mechanism is arranged above a liquid level monitoring section close to the aluminum receiving section and comprises an infrared distance measurement sensor, the processor and the floating plate, the infrared distance measurement sensor is arranged right above the liquid level monitoring section so as to detect the real-time liquid level height of the aluminum liquid in the liquid level monitoring section in real time and send a real-time liquid level height signal to the processor, the processor receives the real-time liquid level height signal sent by the infrared distance measurement sensor and controls the number of turns of left or right turns of a worm wheel according to the real-time liquid level height signal so as to control the opening degree of the furnace mouth of the holding furnace, the floating plate can float freely on the liquid level of the aluminum liquid level monitoring, the upper surface of the floating plate is a horizontal plane.

Preferably, be equipped with in the edulcoration section and be equipped with three guide ways of group along its length direction interval, each guide way of group is two, and relative setting is on two relative lateral walls in the edulcoration section respectively, the guide way is the direction from top to bottom extended, a sieve corresponds and inserts in a set of guide way from the top down.

Preferably, the floating plate is a circular plate, the liquid level height detection mechanism further comprises a wave-blocking assembly, the wave-blocking assembly comprises a first grid plate and a second grid plate, the first grid plate and the second grid plate are vertically inserted into the liquid level monitoring section and are perpendicular to the flowing direction of the aluminum liquid in the liquid level monitoring section, and the floating plate is located between the first grid plate and the second grid plate.

Preferably, the tops of the heat preservation section, the degassing section and the impurity removal section are covered with heat preservation covers.

Preferably, a heating rod is installed on the inner side of the heat preservation cover, and the heating rod is a silicon carbide rod.

Among this technical scheme, set up liquid level detection mechanism in the position that is close to the furnace mouth, avoided liquid level detection mechanism to keep away from the furnace mouth like this and set up the detection that causes lags behind and the cooling zone aluminium liquid that appears overflows or the undercurrent, it is local thinner to cause the aluminium pole of casting afterwards, the problem of disconnected pole appears when rolling process, adopt aluminium liquid flow control valve control furnace mouth aperture size, adopt whole pivoted mode to compare with tilting heat preservation stove, the reaction is rapid, further avoided detecting lags and the cooling zone aluminium liquid that appears overflows or the undercurrent problem.

In the technical scheme, the infrared distance measuring sensor can only detect the liquid level height of a certain point of the liquid level, the liquid level of the aluminum liquid in the liquid level monitoring section can fluctuate, and a system error of liquid level height detection is avoided.

Drawings

FIG. 1 is an axonometric view of the aluminum rod ingot casting device for the conveying launder liquid level stabilization cable.

FIG. 2 is a partially enlarged view showing the structure of the molten aluminum flow control valve.

Fig. 3 is a partially enlarged view showing the structure of the liquid level detection mechanism.

Fig. 4 is a partial enlarged view showing the matching relationship between the sieve plate and the guide groove of the impurity removing section of the conveying chute.

In the figure: the device comprises a conveying trough 10, an aluminum receiving section 11, a liquid level monitoring section 12, a heat preservation section 13, a degassing section 14, an impurity removing section 15, a sieve plate 151, a guide groove 152, a cooling section 16, a heat preservation cover 17, a heat preservation furnace 20, a furnace mouth 21, a horizontal rotating shaft 22, an aluminum liquid flow control valve 30, a gate plate body 31, a gate plate frame 32, a worm 33, a worm wheel 34, a liquid level detection mechanism 40, an infrared distance measurement sensor 41, a floating plate 42, a wave-blocking assembly 43, a first grid plate 431 and a second grid plate 432.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 1 to 4, an embodiment of the present invention provides an aluminum rod ingot casting device for a cable with stable liquid level in a conveying chute, which includes a conveying chute 10, a holding furnace 20, an aluminum liquid flow control valve 30, and a liquid level height detection mechanism 40, wherein the conveying chute 10 includes an aluminum receiving section 11, a liquid level monitoring section 12, a holding section 13, a degassing section 14, an impurity removing section 15, and a cooling section 16, the aluminum receiving section 11, the liquid level monitoring section 12, the holding section 13, the degassing section 14, the impurity removing section 15, and the cooling section 16 are sequentially connected and located on the same horizontal plane, a front end of the aluminum receiving section 11 is communicated with a furnace mouth 21 of the holding furnace 20, so that the aluminum liquid in the holding furnace 20 enters the aluminum receiving section 11 through the furnace mouth 21, a rear end of the cooling section 16 is connected with a rolling mill, so that the condensed aluminum rod enters the rolling mill sieve plate for rolling, a plurality of high temperature resistant sieve plates 151 are arranged in the impurity removing section 15, the sieve plates 151 are vertically inserted into the impurity removing section, the high-temperature-resistant sieve plates 151 are arranged at intervals along the flowing direction of aluminum liquid in the impurity removing section 15, the sizes of sieve holes of the high-temperature-resistant sieve plates 151 are sequentially reduced, an aluminum liquid flow control valve 30 is arranged on the end face of a furnace mouth 21 of the holding furnace 20, the aluminum liquid flow control valve 30 is used for controlling the opening size of the furnace mouth 21 of the holding furnace 20 so as to control the flow of the aluminum liquid entering the aluminum receiving section 11, the aluminum liquid flow control valve 30 comprises a gate plate body 31, a gate plate frame 32, a worm 33 and a worm wheel 34, the gate plate frame 32 is fixedly arranged above the aluminum receiving section 11, the worm wheel 34 is fixedly arranged on the gate plate frame 32, a through hole in threaded connection with the worm 33 is arranged on the gate plate frame 32, the upper end of the worm 33 is connected with the worm wheel 34, the worm 33 passes through hole on the gate plate frame 32, the lower end of the worm 33 is fixedly connected with the gate plate body 31, the worm 33 is driven to rotate leftwards or rightwards through the worm wheel 34, the worm 33 drives the flashboard body 31 to move upwards and downwards along the slideway, so that the flashboard body 31 is clung to the end surface of the furnace mouth 21 to move upwards and downwards to control the opening degree of the furnace mouth 21 and further control the flow rate of the aluminum liquid entering the aluminum receiving section 11, the liquid level height detection mechanism 40 is arranged above the liquid level monitoring section 12 close to the aluminum receiving section 11, the liquid level height detection mechanism 40 comprises an infrared distance measurement sensor 41, a processor and a floating plate 42, the infrared distance measurement sensor 41 is arranged right above the liquid level monitoring section 12 to detect the real-time liquid level height of the aluminum liquid in the liquid level monitoring section 12 in real time and send the real-time liquid level height signal to the processor, the processor receives the real-time liquid level height signal sent by the infrared distance measurement sensor 41 and controls the number of turns left or right of the worm wheel 34 according to, the floating plate 42 can float freely on the liquid level of the aluminum liquid in the liquid level monitoring section 12, the floating plate 42 limits movement in the horizontal plane, the floating plate 42 is positioned right below the infrared distance measuring sensor 41, and the upper surface of the floating plate 42 is the horizontal plane.

The processor in this embodiment may be any arithmetic logic component, a predetermined molten aluminum liquid level height threshold value is prestored in the processor, if the real-time liquid level height value detected by the infrared distance measuring sensor 41 is greater than the liquid level height threshold value, it indicates that the molten aluminum flow rate of the furnace nozzle 21 is high, the worm wheel 34 turns left until the real-time liquid level height value is equal to the liquid level height threshold value, otherwise, if the real-time liquid level height value detected by the infrared distance measuring sensor 41 is less than the liquid level height threshold value, it indicates that the molten aluminum flow rate of the furnace nozzle 21 is low, and the worm wheel 34 turns right until the real-time liquid level height value is equal to the liquid level.

In the technical scheme, the liquid level height detection mechanism 40 is arranged at a position close to the furnace mouth 21, so that the problem that the molten aluminum of the cooling section 16 appears after the liquid level height detection mechanism 40 is far away from the furnace mouth 21 and detection lag occurs due to the arrangement of the furnace mouth 21 is avoided, the cast aluminum rod is locally thin, the rod is broken during the rolling process is avoided, the opening size of the furnace mouth 21 is controlled by the molten aluminum flow control valve 30, the method is compared with the integral rotation mode of the tilting heat preservation furnace 20, the reaction is rapid, and the problem that the molten aluminum of the cooling section 16 appears after the detection lag is avoided.

In the technical scheme, the infrared distance measuring sensor 41 can only detect the liquid level height of a certain point of the liquid level, the liquid level of the aluminum liquid in the liquid level monitoring section 12 can fluctuate, and a system error of liquid level height detection is caused, the infrared distance measuring sensor 41 detects the height of the liquid level of the aluminum liquid indirectly by detecting the height of the floating plate 42, the floating plate 42 is in contact with the liquid level of the aluminum liquid to form a surface, the real-time liquid level height value of the aluminum liquid detected by the infrared distance measuring sensor 41 is equivalent to the average value of the liquid level height of the aluminum liquid in a region of the liquid level monitoring section 12, the system error detected by the infrared distance measuring sensor 41 can be eliminated, and the stability of the liquid level of.

Referring to fig. 1 to 4, further, three sets of guide grooves 152 are arranged in the impurity removing section 15 at intervals along the length direction of the impurity removing section, each set of guide grooves 152 is two, the two sets of guide grooves are respectively and oppositely arranged on two opposite side walls in the impurity removing section 15, the guide grooves 152 extend in the up-down direction, one screen plate 151 is correspondingly inserted into one set of guide grooves 152 from top to bottom, and in the embodiment, the screen plate 151 is detachably installed in an insertion manner, so that the replacement is convenient.

Referring to fig. 1 to 4, further, the floating plate 42 is a circular plate, the liquid level detection mechanism 40 further includes a wave-blocking assembly 43, the wave-blocking assembly 43 includes a first grid plate 431 and a second grid plate 432, the first grid plate 431 and the second grid plate 432 are vertically inserted into the liquid level monitoring section 12 and are perpendicular to the flowing direction of the molten aluminum in the liquid level monitoring section 12, and the floating plate 42 is located between the first grid plate 431 and the second grid plate 432.

In this embodiment, after the slightly fluctuating aluminum liquid passes through the first grid plate 431, the first grid plate 431 can buffer the fluctuation of the liquid level of the aluminum liquid, so that the liquid level of the aluminum liquid between the first grid plate 431 and the second grid plate 432 is more stable, and the system error of liquid level height detection is further reduced.

Referring to fig. 1 to 4, further, the top of the heat preservation section 13, the degassing section 14 and the impurity removal section 15 are covered with heat preservation covers 17.

Referring to fig. 1 to 4, a heating rod is further installed inside the heat-insulating cover 17, and the heating rod is a silicon carbide rod.

In this embodiment, the heat preservation cover 17 is added or the heating rod is installed on the inner side of the heat preservation cover 17, so that the problem that the temperature of the aluminum liquid in the conveying chute 10 is changed by the environmental temperature to affect the fluidity and cause the aluminum liquid in the cooling section 16 to overflow or underflow to a certain extent can be avoided.

The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides a carry chute liquid level stabilizing cable to use aluminium pole ingot casting device which characterized in that: the aluminum receiving section, the liquid level monitoring section, the heat preservation section, the degassing section, the impurity removing section and the cooling section are sequentially communicated and positioned on the same horizontal plane, the front end of the aluminum receiving section is communicated with a furnace mouth of the heat preservation furnace so that aluminum liquid in the heat preservation furnace enters the aluminum receiving section through the furnace mouth, the rear end of the cooling section is connected with a rolling mill so that a condensed aluminum rod enters the rolling mill for rolling, a plurality of high-temperature-resistant sieve plates are arranged in the impurity removing section and vertically inserted into the impurity removing section, the sieve plates are vertical to the flowing direction of the aluminum liquid in the impurity removing section, the high-temperature-resistant sieve plates are arranged at intervals along the flowing direction of the aluminum liquid in the impurity removing section, and the sizes of sieve holes of the high-temperature-resistant sieve plates are sequentially reduced, be equipped with aluminium liquid flow control valve at the terminal surface of the furnace mouth of heat preservation stove, aluminium liquid flow control valve is used for controlling the aperture size of the furnace mouth of heat preservation stove to the control gets into the flow that receives aluminium section aluminium liquid, aluminium liquid flow control valve includes flashboard body, flashboard frame, worm wheel, flashboard frame fixed mounting is in the top that receives the aluminium section, worm wheel fixed mounting is on the flashboard frame, is equipped with the through-hole with worm threaded connection on the flashboard frame, and the upper end and the worm wheel of worm are connected, and the through-hole on the flashboard frame is passed to the worm, the lower extreme and the flashboard body fixed connection of worm are equipped with the slide that matches with flashboard body end face shape on the flashboard frame, the flashboard body can follow the slide up-and-down rectilinear movement to through worm wheel drive worm left hand or dextrorotation, the worm drive flashboard body reciprocates along, thereby controlling the flow rate of the aluminum liquid entering the aluminum receiving section, the liquid level height detection mechanism is arranged above the liquid level monitoring section close to the aluminum receiving section, the liquid level height detection mechanism comprises an infrared distance measurement sensor, a processor and a floating plate, the infrared distance measurement sensor is arranged right above the liquid level monitoring section, so as to detect the real-time liquid level height of the aluminum liquid in the liquid level monitoring section in real time and send the real-time liquid level height signal to the processor, the processor receives the real-time liquid level height signal sent by the infrared distance measuring sensor and controls the number of turns of left-handed or right-handed worm wheel according to the real-time liquid level height signal, so as to control the opening of the furnace mouth of the holding furnace, the floating plate can float freely on the liquid level of the aluminum liquid in the liquid level monitoring section, the floating plate is limited to move in the horizontal plane, the floating plate is located right below the infrared distance measuring sensor, and the upper surface of the floating plate is the horizontal plane.

2. The aluminum rod ingot casting device for the cable for conveying the launder liquid level stabilization as claimed in claim 1, characterized in that: be equipped with in the edulcoration section and be equipped with three guide ways of group along its length direction interval, each guide way of group is two, and relative setting is on two relative lateral walls in the edulcoration section respectively, the direction extends about the guide way, a sieve corresponds and inserts in a set of guide way from the top down.

3. The aluminum rod ingot casting device for the cable for conveying the launder liquid level stabilization as claimed in claim 1, characterized in that: the floating plate is a circular plate, the liquid level height detection mechanism further comprises a wave-resisting assembly, the wave-resisting assembly comprises a first grid plate and a second grid plate, the first grid plate and the second grid plate are vertically inserted into the liquid level monitoring section and are perpendicular to the flowing direction of aluminum liquid in the liquid level monitoring section, and the floating plate is located between the first grid plate and the second grid plate.

4. The aluminum rod ingot casting device for the cable for conveying the launder liquid level stabilization as claimed in claim 1, characterized in that: the tops of the heat preservation section, the degassing section and the impurity removal section are covered with heat preservation covers.

5. The aluminum rod ingot casting device for the cable for conveying the launder liquid level stabilization as claimed in claim 4, characterized in that: and a heating rod is arranged on the inner side of the heat-insulating cover and is a silicon carbide rod.

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