CN213496369U - Automatic feeding device for molten iron ladle inoculant - Google Patents
Automatic feeding device for molten iron ladle inoculant Download PDFInfo
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- CN213496369U CN213496369U CN202021745796.0U CN202021745796U CN213496369U CN 213496369 U CN213496369 U CN 213496369U CN 202021745796 U CN202021745796 U CN 202021745796U CN 213496369 U CN213496369 U CN 213496369U
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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
An automatic feeding device of molten iron ladle inoculant comprises: the casting machine comprises a casting machine, a vertical pipe vertically arranged on one side of the casting machine, a first driving cylinder arranged on the vertical pipe, a flow guide pipe connected with a telescopic rod of the first driving cylinder, a control box arranged on the vertical pipe, and a second driving cylinder arranged below the control box, wherein a casting package is supported on the casting machine; a plurality of electromagnetic valves and alarm devices are arranged in the control box; the electromagnetic valves and the alarm device are respectively connected with a power supply; the first driving cylinder is connected with a first electromagnetic valve in the control box; the one end that the second drove actuating cylinder is connected with the honeycomb duct, and the second drives the other end of actuating cylinder and installs a hopper, and a discharge gate department of hopper installs a plunger device. The utility model can not only accurately control the adding time of the inoculant, but also avoid the unstable problem of the matrix organization performance; moreover, the waste caused by incomplete inoculant suction is reduced, and the product quality is improved.
Description
Technical Field
The utility model belongs to the field of mechanical casting, especially, relate to molten iron changes a packet inoculant automatic feeder.
Background
Before the iron liquid is poured, a certain amount of inoculant is added into the iron liquid under certain conditions (such as certain overheating temperature, certain chemical components, proper adding method and the like), so that the solidification process and the cast structure of the iron liquid can be changed, and the inoculation performance of the iron liquid is improved.
The inoculation treatment is an important link in the production of the nodular cast iron and has the following purposes:
1. the method can promote graphitization of molten iron pouring and reduce the chilling tendency;
2. the graphite form and distribution condition of molten iron casting are improved, and the number of eutectic clusters is increased;
3. the characteristics of the matrix structure cast by the molten iron are refined.
Currently, the following inoculation methods are generally employed:
1) the method of primary inoculation and multiple inoculation before the furnace not only can have better effect, but also can reduce the addition of the total amount of the inoculant.
2) A method of stream inoculation, comprising: a method of feeding molten iron into the cavity; the instantaneous stream inoculation method can not only achieve the effect of strengthening inoculation; in addition, the metallographic structure is improved, the mechanical property is improved, and the consumption of the inoculant and the final silicon content of the molten iron are reduced.
3) A method of transient inoculation, namely: the ladle transferring inoculation method comprises the following steps of pouring molten iron in a ladle to be poured into an automatic pouring ladle when in use: referred to as subcontracting. Inoculation is initiated when the molten iron in the automatic ladle is about 1/3, and the inoculation is terminated when the granulated inoculant is uniformly and dispersedly sprinkled into the liquid stream through the dosing hopper, typically to about 2/3-3/4 of the molten iron in the automatic ladle. The operation method of the rotary ladle inoculation can make the inoculant completely dissolved in the high-temperature iron liquid by using the stirring effect of the liquid flow, thereby improving the utilization rate of the inoculant. However, the current method has no special automatic ladle inoculation device, so that the method cannot be accurately controlled, and in the ladle process, the adding time of the inoculant and whether the inoculant can be added or not are detected; and the inoculant is added too early or too late, so that the inoculant cannot be completely dissolved in molten iron, and the following consequences can occur:
(1) the chemical components of the finished product are as follows: the segregation of the percentage (Si%) content of silicon not only affects the matrix structure of the finished product, but also greatly affects the mechanical properties and the like.
(2) The inoculant which cannot be dissolved in the molten iron is wasted along with slag removal operation on the surface of the molten iron, and the inoculant which does not float on the surface of the molten iron is poured into a sand mold along with the molten iron, so that the probability of slag holes of a product is increased; moreover, if the inoculant is not added during the ladle transfer, the percentage (Si%) content of the silicon of the product exceeds the specification value required by customers, the thin wall part is whitened, the matrix structure is uneven, the mechanical property is low, and other serious quality problems. If the quality problem cannot be found in time, the serious result that the whole batch of vehicles is recalled can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a molten iron changes a packet inoculant automatic feeder to solve the technical problem whether the joining opportunity of accurately controlling the inoculant can add with the detection inoculant.
In order to realize the aim, the specific technical proposal of the automatic feeding device of the molten iron ladle inoculant of the utility model is as follows:
an automatic feeding device of molten iron ladle inoculant comprises: a casting machine, a vertical pipe vertically arranged at one side of the casting machine, a first driving cylinder arranged on the vertical pipe, a flow guide pipe connected with a telescopic rod of the first driving cylinder, a control box arranged on the vertical pipe, and a second driving cylinder arranged below the control box, wherein,
the upper part of the casting machine is provided with a bracket, a casting ladle is supported on the bracket, and the guide pipe and the casting ladle are in an upper and lower parallel position when the ladle is transferred and inoculated;
a first electromagnetic valve, a second electromagnetic valve and an alarm device are arranged in the control box; the first electromagnetic valve, the second electromagnetic valve and the alarm device are respectively connected with a power supply;
the first driving cylinder is connected with a first electromagnetic valve arranged in the control box, and when the weight of molten iron in the pouring ladle is more than 80 kilograms, a telescopic rod of the first driving cylinder extends out;
the one end that the second drove actuating cylinder is connected with the one end of honeycomb duct is perpendicular, and the second drives the other end of actuating cylinder and installs a hopper, and a plunger device is installed to the discharge gate department of hopper.
Further, the alarm device is a buzzer.
Further, the flow guide pipe is provided with a feed inlet; when the telescopic rod of the first driving cylinder extends out, the diversion pipe connected with the telescopic rod of the first driving cylinder overturns about 120 degrees under the tension of the first driving cylinder, and the feed inlet of the diversion pipe overturns to the lower end of the inoculant hopper.
Furthermore, the other side of the second driving cylinder is connected with a second driving cylinder through a plunger device.
Further, plunger device is the iron material, and plunger device's size is: the upper bottom is 80cm, the lower bottom is 60cm and the height is 40cm, when the second driving cylinder descends, the plunger device can completely block a discharge port of the hopper, and then the inoculant is added into the hopper.
Furthermore, a proximity switch is mounted at a discharge port at the lower end of the hopper, when the proximity switch detects the position of the feed port of the flow guide pipe, a signal is sent to a second driving cylinder, a telescopic rod of the second driving cylinder extends out, and at the moment, the plunger device is pulled by the second driving cylinder to vertically lift; the inoculant in the hopper flows out of the discharge port and flows into the pouring ladle through the flow guide pipe for inoculation.
Furthermore, two ends of the outlet of the hopper are provided with a group of light detection devices; when the inoculant flows into the flow guide pipe through the outlet of the hopper, the light detection device can receive a signal of the inoculant.
Further, the optical detection device is a plurality of optical detection switches which are connected in series.
The utility model discloses an automatic feeder of molten iron rotary ladle inoculant has following advantage:
the utility model can not only accurately control the adding time of the inoculant and detect whether the inoculant can be added, but also avoid the problems of non-uniformity of matrix tissues and instability of mechanical properties and the like; moreover, the waste caused by incomplete inoculant absorption and melting, the risk of poor product slag inclusion and serious quality problems caused by inoculant addition leakage are greatly reduced, and the product quality is greatly improved.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
The notation in the figure is:
1. the device comprises a first driving cylinder, a control box 2, a first electromagnetic valve 3, a second electromagnetic valve 4, a second driving cylinder 5, a hopper 6, a plunger device 7, a light detection switch 8, a proximity switch 9, a flow guide pipe 10, a pouring ladle 11 and a pouring machine 12.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following will describe the automatic feeding device of molten iron ladle inoculant in further detail with reference to the attached drawings.
As shown in fig. 1, the utility model comprises: a casting machine 12, a vertical pipe vertically arranged at one side of the casting machine 12, a first driving cylinder 1 arranged on the vertical pipe, a guide pipe 10 connected with a telescopic rod of the first driving cylinder 1 through a pin shaft, a control box 2 arranged on the vertical pipe, and a second driving cylinder 5 arranged below the control box 2, wherein,
a bracket is arranged at the upper part of the casting machine 12, a casting ladle 11 is supported on the bracket, and the draft tube 10 and the casting ladle 11 are in an upper and lower parallel position when the ladle is transferred and inoculated;
a first electromagnetic valve 3, a second electromagnetic valve 4 and an alarm device are arranged in the control box 2; the first electromagnetic valve 3, the second electromagnetic valve 4 and the alarm device are respectively connected with a power supply;
the alarm device is a buzzer.
The first driving cylinder 1 is connected with a first electromagnetic valve 3 arranged in the control box 2, when the weight of molten iron in the pouring ladle 10 is more than 80 kilograms, a signal is output to the first electromagnetic valve 3 of the first driving cylinder 1, the first electromagnetic valve 3 obtains the signal, and a telescopic rod of the first driving cylinder 1 extends out;
the guide pipe 10 is provided with a feed inlet; when the telescopic rod of the first driving cylinder 1 extends out, the guide pipe 10 connected with the telescopic rod of the first driving cylinder 1 is overturned by about 120 degrees under the pulling force of the first driving cylinder 1, and the feed inlet of the guide pipe 10 is overturned to the lower end of the inoculant hopper.
One end of the second driving cylinder 4 is vertically connected with one end of the flow guide pipe 10, the other end of the second driving cylinder 4 is provided with a hopper 6, and a plunger device 7 is arranged at the discharge port of the hopper 6.
The other side of the second driving cylinder 4 is connected with a second driving cylinder 4 through a plunger device 8;
the plunger device 7 is made of iron and has a trapezoidal size (in the embodiment, the upper bottom is 80cm, the lower bottom is 60cm, and the height is 40cm), when the second driving cylinder 5 descends, the plunger device 7 can completely block the discharge hole of the hopper 6, and then the inoculant is added into the hopper 6.
A proximity switch 9 is arranged at the discharge hole at the lower end of the hopper 6, and when the proximity switch 9 detects the position of the feed hole of the guide pipe 10, a signal is sent to the second driving cylinder 4. The telescopic rod of the second driving cylinder 4 extends out, and at the moment, the plunger device 7 is pulled by the second driving cylinder 4 to vertically lift. The inoculant in the hopper 6 flows out of the discharge port and flows into the pouring ladle 11 through the draft tube 10 for inoculation.
A group of optical detection devices are mounted at two ends of the outlet of the hopper 6, and each optical detection device is composed of a plurality of optical detection switches 8 (in this embodiment, 3 optical detection switches 8 connected in series); when the inoculant flows into the flow guide pipe 10 through the outlet of the hopper, signals of the light detection switch 8 are blocked from being received during the flowing period of the inoculant, the signals of the output end cannot be received at the input end of the light detection switch 8, and the signals are fed back normally. Otherwise, no inoculant flows, the input end of the light detection switch 8 can receive the output end signal and feed back the signal to the control box 2 for whistling and alarming, and the addition abnormality of the inoculant is displayed.
In the description of the present invention, it is to be understood that "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The driving cylinder, the electromagnetic valve, the control box, the optical detection switch, the flow guide pipe, the hopper, the proximity switch, the casting machine and the casting ladle are in the prior art, and the unexplained technology is in the prior art, so that the description is omitted.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (8)
1. An automatic feeding device of molten iron ladle inoculant is characterized by comprising: a casting machine, a vertical pipe vertically arranged at one side of the casting machine, a first driving cylinder arranged on the vertical pipe, a flow guide pipe connected with a telescopic rod of the first driving cylinder, a control box arranged on the vertical pipe, and a second driving cylinder arranged below the control box, wherein,
the upper part of the casting machine is provided with a bracket, a casting ladle is supported on the bracket, and the guide pipe and the casting ladle are in an upper and lower parallel position when the ladle is transferred and inoculated;
a first electromagnetic valve, a second electromagnetic valve and an alarm device are arranged in the control box; the first electromagnetic valve, the second electromagnetic valve and the alarm device are respectively connected with a power supply;
the first driving cylinder is connected with a first electromagnetic valve arranged in the control box, and when the weight of molten iron in the pouring ladle is more than 80 kilograms, a telescopic rod of the first driving cylinder extends out;
the one end that the second drove actuating cylinder is connected with the one end of honeycomb duct is perpendicular, and the second drives the other end of actuating cylinder and installs a hopper, and a plunger device is installed to the discharge gate department of hopper.
2. The automatic molten iron ladle inoculant feeder according to claim 1, wherein the alarm device is a buzzer.
3. The automatic feeding device of molten iron ladle inoculant according to claim 1, wherein the flow guide pipe is provided with a feeding hole; when the telescopic rod of the first driving cylinder extends out, the diversion pipe connected with the telescopic rod of the first driving cylinder overturns about 120 degrees under the tension of the first driving cylinder, and the feed inlet of the diversion pipe overturns to the lower end of the inoculant hopper.
4. The automatic molten iron ladle inoculant feeder according to claim 1, wherein the other side of the second driving cylinder is connected to a second driving cylinder via a plunger device.
5. The automatic molten iron ladle inoculant feeder according to claim 1, wherein the plunger device is made of iron and has the following dimensions: the upper bottom is 80cm, the lower bottom is 60cm and the height is 40cm, when the second driving cylinder descends, the plunger device can completely block a discharge port of the hopper, and then the inoculant is added into the hopper.
6. The automatic molten iron ladle inoculant feeder according to claim 1, wherein a proximity switch is mounted at the discharge port at the lower end of the hopper, when the proximity switch detects the position of the feed port of the flow guide pipe, a signal is sent to the second driving cylinder, the telescopic rod of the second driving cylinder extends out, and at the moment, the plunger device is pulled by the second driving cylinder to vertically lift; the inoculant in the hopper flows out of the discharge port and flows into the pouring ladle through the flow guide pipe for inoculation.
7. The automatic molten iron ladle inoculant feeder according to claim 1 or 6, wherein a set of light detection devices are installed at two ends of the outlet of the hopper; when the inoculant flows into the flow guide pipe through the outlet of the hopper, the light detection device can receive a signal of the inoculant.
8. The automatic feeding device of molten iron ladle inoculant according to claim 7, wherein the light detection device is a plurality of light detection switches connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021745796.0U CN213496369U (en) | 2020-08-20 | 2020-08-20 | Automatic feeding device for molten iron ladle inoculant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021745796.0U CN213496369U (en) | 2020-08-20 | 2020-08-20 | Automatic feeding device for molten iron ladle inoculant |
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| Publication Number | Publication Date |
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| CN213496369U true CN213496369U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021745796.0U Active CN213496369U (en) | 2020-08-20 | 2020-08-20 | Automatic feeding device for molten iron ladle inoculant |
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| CN (1) | CN213496369U (en) |
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- 2020-08-20 CN CN202021745796.0U patent/CN213496369U/en active Active
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