CN114082901A - Stream inoculation method and device for cast iron production - Google Patents
Stream inoculation method and device for cast iron production Download PDFInfo
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- CN114082901A CN114082901A CN202111394735.3A CN202111394735A CN114082901A CN 114082901 A CN114082901 A CN 114082901A CN 202111394735 A CN202111394735 A CN 202111394735A CN 114082901 A CN114082901 A CN 114082901A
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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
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
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Abstract
The invention provides a stream inoculation method for cast iron production, which comprises the following steps: moving the whole device to a position near the discharging position of the storage position of the inoculant and connecting a power supply; adding an inoculant into a feeding hopper, and dropping the inoculant on a receiving disc from the feeding hopper; the entire portable device is moved to near the pouring position with the hand-held feed tube aligned with the stream position and the entire device is started up when metal flows out. The vibrating motor drives the material receiving disc to vibrate at high frequency, so that the inoculant on the material receiving disc falls into the material receiving cylinder; gas in the gas supply mechanism enters the three-way pipe through the gas pipe and is discharged through the discharge pipe; the driving motor drives the baffle to rotate, so that the inoculant enters the discharge hopper and then enters the three-way pipe, and the inoculant is discharged into the metal liquid flow through the discharge pipe. The stream inoculation device is portable, has accurate quantification, can be conveniently moved along with a casting machine, and can also be used for other manual or mechanical casting production.
Description
Technical Field
The invention relates to the technical field of casting, in particular to a stream inoculation method and a stream inoculation device for cast iron production.
Background
In cast iron production, an inoculant needs to be added to increase the crystal core of the liquid metal during solidification, so that the strength of the cast iron is improved. Because the inoculation effect has a recession phenomenon (the metal liquid in the casting ladle is not completely poured into the casting mould, and the added inoculant has the effect of promoting nucleation to weaken or disappear), people use various stream inoculation methods to ensure that the inoculant is added along with the poured molten iron stream, thereby avoiding the inoculation recession caused by the early addition of the inoculant into the molten iron.
The current stream inoculation method is basically divided into two types, one type is that in the automatic line casting production, a stream inoculation device is fixedly arranged on a production line or moves along the production line along with other devices, and the device is often large in size and heavy in weight and cannot be flexibly used for casting production in other places without departing from the production line; the other is a portable or simple stream inoculation device fixed on a casting ladle, the device can be flexibly moved and is used for stream inoculation of different production places, but the adding of the inoculant cannot be accurately quantified, and the accuracy and the stability are poor.
Disclosure of Invention
In order to solve the bottleneck of the prior art, the invention provides a stream inoculation method and a stream inoculation device for cast iron production, the method enables the stream inoculation device to be portable, can be conveniently moved along with a casting machine, can be flexibly arranged on an automatic molding line, and can also be used for other manual or mechanical casting production.
The technical scheme adopted by the invention is as follows: a stream inoculation method for cast iron production comprises the following steps:
the method comprises the following steps: moving the whole device to a position near a discharging position of a storing place of the inoculant, and connecting a power supply;
step two: adding an inoculant into a feeding hopper, and dropping the inoculant on a receiving disc from the feeding hopper;
step three: the entire portable device is moved to near the pouring position with the hand-held feed tube aligned with the stream position and the entire device is started up when metal flows out.
Step four: the vibrating motor drives the material receiving disc to vibrate at high frequency, so that the inoculant on the material receiving disc falls into the material receiving cylinder;
step five: meanwhile, gas in the gas supply mechanism enters the three-way pipe through the gas pipe and is discharged through the discharge pipe;
step six: meanwhile, the driving motor drives the baffle to rotate, so that the inoculant enters the discharge hopper and then enters the three-way pipe, and the inoculant is discharged into the metal liquid flow through the discharge pipe.
Step seven: and moving the whole portable device along with the casting ladle to carry out stream inoculation for casting the next box of casting.
A device for realizing stream inoculation in cast iron production comprises a moving mechanism, a feeding hopper, a vibration feeding mechanism, a flow control mechanism and a gas supply mechanism, wherein the moving mechanism comprises a movable plate trailer and stand columns arranged at four corners of the top of the movable plate trailer, and the feeding hopper is arranged at the top among the four stand columns;
the vibration feeding mechanism is arranged below the feeding hopper and comprises a mounting frame, a material receiving disc and a vibration motor, the mounting frame is fixedly mounted at the top of the movable plate vehicle and is positioned among the four stand columns, the top of the mounting frame is connected with the material receiving disc which is obliquely arranged through an elastic piece, two sides of the top of the material receiving disc and the oblique upper end of the top of the material receiving disc are provided with material blocking plates, the outer wall of the material receiving disc is provided with the vibration motor, and the oblique lower end of the material receiving disc is provided with a flow control mechanism for controlling the material flow rate;
the bottom of the flow control mechanism is communicated with a three-way pipe, the other two ends of the three-way pipe are respectively connected with a discharge pipe and an air pipe, and the air pipe is communicated with a gas supply mechanism capable of providing high-pressure gas.
Further, flow control mechanism includes the installing support, connects feed cylinder, baffle, driving motor, goes out the hopper, and the installing support is installed in the take-up (stock) pan bottom, install on the installing support and be used for receiving the feed cylinder that connects that drops the material from the take-up (stock) pan, and connect and seted up the blanking mouth on the feed cylinder bottom plate, connect the below of feed cylinder bottom plate to be provided with blanking mouth matched with baffle, connect the feed cylinder bottom to install driving motor, driving motor's output runs through and connects the feed cylinder bottom plate centre of a circle, and is connected with the baffle, and the hopper is installed out to the blanking mouth bottom, and goes out the hopper bottom and be linked together with the three-way pipe.
Furthermore, the blanking port is fan-shaped, the vertex of the blanking port coincides with the circle center of the material receiving cylinder bottom plate, the radius of the blanking port is the same as that of the material receiving cylinder bottom plate, the baffle is arranged below the blanking port and is fan-shaped, the vertex of the baffle is connected with the driving motor, and the radius of the baffle is the same as that of the material receiving cylinder bottom plate.
Furthermore, the blanking port is arc-shaped, the circle center of the arc-shaped is coincided with the circle center of the material receiving barrel base plate, the radius of the arc-shaped is smaller than that of the material receiving barrel base plate, the baffle is arranged below the blanking port and is fan-shaped, the top point of the baffle is connected with the driving motor, and the radius of the baffle is the same as that of the material receiving barrel base plate.
Further, the driving motor is a servo motor or a stepping motor.
Furthermore, the movable plate trolley comprises a movable plate and universal wheels arranged on two sides of one end of the bottom of the movable plate, pad feet are arranged on two sides of the other end of the bottom of the movable plate, and a pushing handle used for pushing the movable plate to move is installed at one end of the movable plate.
Further, the gas supply mechanism comprises a compressor and a gas storage tank connected with the compressor, the compressor and the gas storage tank are both mounted on the movable plate trolley, and the gas storage tank is communicated with the gas pipe.
Further, the elastic member is a spring.
The beneficial effects of this patent are shown in following aspect:
1. the method realizes the portability of the stream inoculation device, can conveniently move along with a casting machine, can be flexibly arranged on an automatic molding line, and can also be used for other manual or mechanical casting production;
2. the flow control mechanism special for the device can realize accurate quantification by adjusting the gap between the baffle and the blanking port, thereby ensuring that the mass ratio between the inoculant and the metal liquid flow is kept stable; meanwhile, under the non-flow working state, the gap for controlling the flow is closed, at the moment, the top of the baffle is completely superposed with the blanking port, and the top and the blanking port have no clearance, so that the problem of inoculant scattering caused by other conveying and quantifying methods can be effectively prevented. The method has the characteristics of flexible placement position, accurate quantification, simple operation and the like;
3. the device has the advantages of simple structure, stable operation, convenient maintenance and debugging, low manufacturing cost and easy popularization.
Drawings
FIG. 1 is a schematic structural view of the invention;
FIG. 2 is a schematic view of the invention from another perspective;
FIG. 3 is a schematic top view of the invention;
FIG. 4 is a schematic sectional view A-A of the present invention;
FIG. 5 is a schematic structural view of the inventive flow control mechanism;
the device comprises graphic marks, 1, a moving plate, 11, universal wheels, 12, a pad foot, 13, a pushing handle, 2, a stand column, 3, a feeding hopper, 4, a vibration feeding mechanism, 41, a mounting frame, 42, a material receiving disc, 43, a vibration motor, 5, a flow control mechanism, 51, a mounting bracket, 52, a material receiving barrel, 53, a baffle plate, 54, a driving motor, 55, a material discharging hopper, 6, a three-way pipe, 7, a material discharging pipe, 8, an air pipe, 9 and a gas supply mechanism.
Detailed Description
The present invention will be described in further detail with reference to the drawings and specific examples, but the present invention is not limited thereto.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "lateral", "longitudinal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
A stream inoculation method for cast iron production comprises the following steps:
moving the whole device to the position near a discharging position of an inoculant storage position, feeding, moving the whole device to a pouring position, and carrying out stream inoculation; the portable function is realized;
secondly, adding an inoculant into a feeding hopper 3; the function of containing a large amount of inoculants at one time is realized;
step three, the feeding hopper 3 discharges the inoculant into the vibrating feeding mechanism 4, so that the function of smoothly transmitting the inoculant is realized;
fourthly, the vibrating feeding mechanism 4 transmits the inoculant to a flow control mechanism 5 capable of controlling the outflow of the inoculant, and the discharge amount of the inoculant can be controlled through a control system, so that the mass ratio of the inoculant to the molten metal is guaranteed to reach a balance point;
step five, continuously inputting high-pressure gas into the gas pipe 8;
and sixthly, the flow control mechanism 5 discharges the inoculant into the discharge pipe 7, at the moment, the inoculant enters the metal liquid flow under the action of the airflow, the inoculant in the flow control mechanism smoothly enters the discharge pipe 7 by utilizing the Venturi principle, the inoculant obtains an initial speed which is similar to or identical to the metal liquid flow, and enters the metal liquid flow under the speed state, and the stream inoculation function is completed.
A device for realizing stream inoculation in cast iron production comprises a moving mechanism, a feeding hopper 3, a vibration feeding mechanism 4, a flow control mechanism 5 and a gas supply mechanism 9, wherein the moving mechanism comprises a moving plate vehicle and upright columns 2 arranged at four corners of the top of the moving plate vehicle, and the feeding hopper 3 is arranged at the top between the four upright columns 2; the movable plate trolley comprises a movable plate 1 and universal wheels 11 arranged on two sides of one end of the bottom of the movable plate 1, wherein two sides of the other end of the bottom of the movable plate 1 are provided with foot pads 12, and one end of the movable plate 1 is provided with a push handle 13 used for pushing the movable plate 1 to move.
The vibration feeding mechanism 4 is arranged below the feeding hopper 3, the vibration feeding mechanism 4 comprises a mounting frame 41, a material receiving disc 42 and a vibration motor 43, the mounting frame 41 is fixedly mounted at the top of the movable plate vehicle and is positioned among the four upright posts 2, the top of the mounting frame 41 is connected with the material receiving disc 42 which is obliquely arranged through an elastic part, the elastic part can be a spring or an L-shaped steel plate, the L-shaped steel plate is an L-shaped connecting plate which is formed by sequentially connecting an inclined plate and the connecting plate end to end, an acute angle is formed between the inclined plate and the connecting plate, the inclined plate is connected with the material receiving disc, and the connecting plate is connected with the movable plate vehicle;
the two sides and the oblique upper end of the top of the material receiving disc 42 are provided with material blocking plates, the outer wall of the material receiving disc 42 is provided with a vibration motor 43, and the oblique lower end of the material receiving disc 42 is provided with a flow control mechanism 5 for controlling the material outflow; the inclined lower end of the take-up pan extends to the outer side of the upright post, and the part extending to the outer side of the upright post is in a necking shape.
The blanking port is fan-shaped, the vertex of the blanking port is superposed with the circle center of the bottom plate of the material receiving barrel 52, the radius of the blanking port is the same as that of the bottom plate of the material receiving barrel 52, the baffle 53 is arranged below the blanking port, the baffle 53 is fan-shaped, the vertex of the baffle 53 is connected with the driving motor 54, and the radius of the baffle 53 is the same as that of the bottom plate of the material receiving barrel 52. The fan-shaped arc length of the baffle 53 is more than or equal to that of the blanking port; when the material flow needs to be adjusted, the gap between the baffle and the blanking port is adjusted, so that the flow of the material flowing out is controlled, and when the material does not need to flow, the gap between the baffle and the blanking port is adjusted, so that the blanking port is completely blocked by the baffle, and the material is prevented from flowing out of the material receiving barrel;
the blanking port is arc-shaped, the circle center of the arc-shaped blanking port coincides with the circle center of the material receiving barrel bottom plate, the radius of the arc-shaped blanking port is smaller than the radius of the material receiving barrel bottom plate, the baffle is arranged below the blanking port and is fan-shaped, the top point of the baffle coincides with the circle center and is connected with the driving motor, and the radius of the baffle is the same as the radius of the material receiving barrel bottom plate. The arc length of the baffle 53 is greater than that of the blanking port; the central angle corresponding to the arc of the blanking port is less than or equal to the central angle corresponding to the fan shape of the baffle; when the flow of the materials needs to be adjusted, the gap between the baffle and the blanking port is adjusted, so that the flow of the materials flowing out is controlled, and when the materials do not need to flow, the gap between the baffle and the blanking port is adjusted, so that the blanking port is completely blocked by the baffle, and the materials are prevented from flowing out of the material receiving barrel;
the device can control the size of the gap between the baffle and the blanking port by arranging the flow control mechanism and driving the motor, and can realize accurate quantification by adjusting the size of the gap between the baffle and the blanking port, thereby ensuring that the mass ratio between the inoculant and the metal liquid flow is kept stable; meanwhile, under the non-flow working state, the gap for controlling the flow is closed, at the moment, the top of the baffle is completely superposed with the blanking port, and the top and the blanking port have no clearance, so that the problem of inoculant scattering caused by other conveying and quantifying methods can be effectively prevented. The method has the characteristics of flexible installation position, accurate quantification, simple operation and the like;
the bottom of the flow control mechanism 5 is communicated with a three-way pipe 6, the other two ends of the three-way pipe 6 are respectively connected with a discharge pipe 7 and an air pipe 8, and the air pipe 8 is communicated with a gas supply mechanism 9 capable of providing high-pressure gas. The gas supply mechanism 9 comprises a compressor and a gas storage tank connected with the compressor, the compressor and the gas storage tank are both mounted on the mobile plate trolley, and the gas storage tank is communicated with the gas pipe 8. A nitrogen compressor or a nitrogen and inert gas storage tank.
Still carry out regularly and quantitative pay-off including steerable vibrations feeding mechanism in this patent, and control high-pressure gas's start-up, the control system who stops, control system's output links to each other with vibrating motor and compressor respectively, and vibrating motor and compressor all link to each other with the power, and the power can be the wire that battery or extensible be used for the power supply, but battery direct mount is on moving the wooden handcart.
The use method of the stream inoculation device for cast iron production comprises the following steps:
the method comprises the following steps: moving the whole device to a position near the discharging position of the metal smelting equipment and connecting a power supply;
step two: a large amount of inoculant is added into the feeding hopper 3, and the inoculant falls on the receiving disc 42 from the feeding hopper 3; due to the characteristics of the inoculant, when the vibration feeding disc is not started, the inoculant is accumulated on the top of the receiving disc and is prevented from flowing out of the bottom of the feeding hopper;
step three: the vibration motor 43 is started, the vibration motor 43 drives the material receiving disc 42 to vibrate at high frequency, so that the inoculant on the material receiving disc 42 falls into the material receiving cylinder 52, and the inoculant can be more smoothly transmitted in the vibration feeding system.
Step four: starting the gas supply mechanism 9, wherein gas in the gas supply mechanism 9 enters the three-way pipe 6 through the gas pipe 8 and is discharged through the discharge pipe 7;
step five: the driving motor 54 is started, the driving motor 54 drives the baffle plate 53 to rotate, so that the inoculant enters the discharging hopper 55 and then enters the three-way pipe 6, and the inoculant is discharged into the metal liquid flow through the discharging pipe 7.
Example one
As shown in figures 1-4, a stream inoculation method and a device for cast iron production comprises a movable plate trailer 1, upright posts 2 and a feeding hopper 3, wherein the upright posts 2 are all installed at the corners of the top of the movable plate trailer 1, the feeding hopper 3 is installed at the top between the four upright posts 2, a vibration feeding disc 4 is arranged at the bottom of the feeding hopper 3, the vibration feeding disc 4 comprises a mounting frame 41, a material receiving disc 42 and a vibration motor 43, the mounting frame 41 is fixedly installed at the top of the movable plate trailer 1 and is positioned between the four upright posts 2, the top of the mounting frame 41 is connected with the material receiving disc 42 which is obliquely arranged through an elastic piece, material blocking plates are arranged at two sides of the top of the material receiving disc 42 and the oblique upper end of the material receiving disc 42, the vibration motor 43 is installed on the outer wall of the material receiving disc 42, a flow control mechanism 5 for controlling the outflow of materials is installed at the oblique lower end of the material receiving disc 42, a three-way pipe 6 is communicated with the bottom of the flow control mechanism, a discharging pipe 7 and an air pipe 8 are respectively connected with the other two ends of the three-way pipe 6, the gas pipe 8 is communicated with a gas supply mechanism 9 capable of providing high-pressure gas, the gas supply mechanism 9 is a nitrogen compressor or a nitrogen and inert gas storage tank, so that the device can be moved into a warehouse, inoculant in the warehouse is added into the charging hopper 3, and then the whole device is moved to the position near the smelting equipment, and the problem that the inoculant needs to be transferred from the warehouse to the position near the smelting equipment in the center of the prior art is solved; the receiving tray 42 can also be driven by the vibrating motor 43 to vibrate at high frequency, so that the inoculant can uniformly enter the flow control mechanism 5, and the inoculant and the metal liquid flow reach a proper mass ratio; high-pressure gas can be provided for the three-way pipe 6 through the gas supply mechanism 9, so that the air in the three-way pipe 6, the discharge pipe 7 and the air pipe 8 is discharged, the adverse effect of oxygen in the air on the molten metal is prevented, in the inoculation process, the gas supply mechanism 9 continuously supplies gas, the aim of utilizing the Venturi principle is realized, the inoculant in the flow control mechanism 5 smoothly enters the discharge pipe 7, and the inoculant obtains an initial speed which is similar to or the same as the speed of the metal liquid flow and enters the metal liquid flow under the speed, the discharge pipe 7 can be arranged as a hose, the position of the whole device is not strictly controlled by the arrangement, and only the discharge end of the discharge pipe 7 is required to be controlled, so that the device is suitable for smelting equipment which is not used, and the practicability is improved.
In the second embodiment, as shown in fig. 2, the inclined lower end of the receiver 42 extends to the outside of the column 2, and the portion extending to the outside of the column 2 is tapered, so that the size of the flow rate control mechanism 5 can be effectively controlled.
In the third embodiment, on the basis of the first embodiment, as shown in fig. 5, the flow control mechanism 5 includes a mounting bracket 51, a material receiving barrel 52, a semicircular baffle 53, a motor 54, and a material discharging hopper 55, the mounting bracket 51 is mounted at the bottom of the material receiving tray 42, the mounting bracket 51 is mounted with the material receiving barrel 52 for receiving the material falling from the material receiving tray 42, the bottom of the material receiving barrel 52 is provided with a fan-shaped material dropping opening, the semicircular baffle 53 is disposed below the bottom plate of the material receiving barrel 52, the motor 54 is mounted at the bottom of the material receiving barrel 52, the motor 54 is a servo motor or a stepping motor, so as to control the material outflow more precisely, the output end of the motor 54 penetrates through the center of the bottom plate of the material receiving barrel 52 and is fixedly connected with the semicircular baffle 53, the bottom of the material dropping opening is provided with the material discharging hopper 55, and the bottom of the material discharging hopper 55 is communicated with the three-way pipe 6, so as to drive the semicircular baffle 53 to rotate by the motor 54, the size of the blanking channel is controlled, the material outflow quantity is controlled, the blanking port is fan-shaped, the semicircular baffle plate 53 is semicircular, and accurate quantification can be realized by controlling the gap between the baffle plate and the blanking port, so that the quality ratio between the inoculant and the metal liquid flow is kept stable;
fourth embodiment, on the basis of the first embodiment, as shown in fig. 1 and 2, universal wheels 11 are arranged on two sides of one end of the bottom of the mobile plate trailer 1, which is close to the flow control mechanism 5, pad feet 12 are arranged on two sides of the other end of the bottom of the mobile plate trailer 1, a push handle 13 is arranged on one end of the top of the mobile plate trailer 1, so that the whole device can be pushed to move by lifting the push handle 13, and the pad feet 12 are arranged to realize the function of braking the mobile plate trailer 1;
the universal wheels 11 are arranged on two sides of one end, far away from the flow control mechanism 5, of the bottom of the movable plate trailer 1, the pad feet 12 are arranged on two sides of the other end of the bottom of the movable plate trailer 1, the pushing handle 13 is arranged at one end of the top of the movable plate trailer 1, the pushing handle 13 can be pushed to move through pressing, and the function of braking the movable plate trailer 1 is achieved through the arrangement of the pad feet 12.
The use method of the stream inoculation device for cast iron production comprises the following steps:
the method comprises the following steps: moving the whole device to the position near the discharging position of the inoculant storage position and connecting a power supply
Step two: a large amount of inoculant is added into the feeding hopper 3, the inoculant falls on the receiving disc 42 from an opening at the bottom of the feeding hopper 3, and due to the characteristics of the inoculant, when the vibration feeding disc 4 is not started, the inoculant is accumulated at the top of the receiving disc 42 and stops the inoculant from flowing out of the bottom of the feeding hopper 3;
step three: starting the vibration motor 43, wherein the vibration motor 43 drives the material receiving disc 42 to vibrate at a high frequency, so that the material on the material receiving disc 42 falls into the material receiving cylinder 52;
step four: starting the gas supply mechanism 9, wherein gas in the gas supply mechanism 9 enters the three-way pipe 6 through the gas pipe 8 and is discharged through the discharge pipe 7;
step five: the motor 54 is started and the motor 54 drives the semicircular baffle plate 53 to rotate, so that the inoculant enters the discharging hopper 55 and then enters the three-way pipe 6, and the inoculant is discharged into the metal liquid flow through the discharging pipe 7 by utilizing the Venturi principle.
The portable stream inoculation device realizes portability, has accurate quantification, overcomes the problem of material blockage in other methods, can be conveniently moved along with a casting machine, can be flexibly arranged on an automatic molding line, and can also be used for other manual or mechanical casting production.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
The device of the present invention may have other forms than the above-described embodiments, and it should be understood that any simple modification, equivalent change and modification made to the above-described embodiments according to the technical spirit of the present invention fall within the scope of the present invention.
Claims (9)
1. A stream inoculation method for cast iron production is characterized in that: the method comprises the following steps:
the method comprises the following steps: moving the whole device to a position near the discharging position of the storage position of the inoculant and connecting a power supply;
step two: adding an inoculant into a feeding hopper, and dropping the inoculant on a receiving disc from the feeding hopper;
step three: moving the whole portable device to the position near the pouring position, aligning the handheld feeding pipe with the liquid flow position, and starting the whole device when the metal flows out;
step four: the vibrating motor drives the material receiving disc to vibrate at high frequency, so that the inoculant on the material receiving disc falls into the material receiving cylinder;
step five: meanwhile, gas in the gas supply mechanism enters the three-way pipe through the gas pipe and is discharged through the discharge pipe;
step six: meanwhile, the driving motor drives the baffle plate to rotate, so that the inoculant enters the discharge hopper and then enters the three-way pipe, and the inoculant is discharged into the metal liquid flow through the discharge pipe;
step seven: and moving the whole portable device along with the casting ladle to carry out stream inoculation for casting the next box of casting.
2. A stream inoculation device for realizing cast iron production as claimed in claim 1, characterized in that: the device comprises a moving mechanism, a feeding hopper, a vibration feeding mechanism, a flow control mechanism and a gas supply mechanism, wherein the moving mechanism comprises a moving plate vehicle and stand columns arranged at four corners of the top of the moving plate vehicle, and the feeding hopper is arranged at the top among the four stand columns;
the vibration feeding mechanism is arranged below the feeding hopper and comprises a mounting frame, a material receiving disc and a vibration motor, the mounting frame is fixedly mounted at the top of the movable plate vehicle and located among the four stand columns, the top of the mounting frame is connected with the material receiving disc which is obliquely arranged through an elastic piece, material blocking plates are arranged on two sides of the top of the material receiving disc and on the oblique upper end of the top of the material receiving disc, the vibration motor is mounted on the outer wall of the material receiving disc, and a flow control mechanism for controlling the material outflow is mounted at the oblique lower end of the material receiving disc;
the bottom of the flow control mechanism is communicated with a three-way pipe, the other two ends of the three-way pipe are respectively connected with a discharge pipe and an air pipe, and the air pipe is communicated with a gas supply mechanism capable of providing high-pressure gas.
3. The stream inoculation apparatus for cast iron production as claimed in claim 2, wherein: flow control mechanism includes the installing support, connects feed cylinder, baffle, driving motor, goes out the hopper, and the installing support is installed in the take-up (stock) pan bottom, install on the installing support and be used for receiving the feed cylinder that connects that drops the material from the take-up (stock) pan, and connect and seted up the blanking mouth on the feed cylinder bottom plate, connect the below of feed cylinder bottom plate to be provided with blanking mouth matched with baffle, connect the feed cylinder bottom to install driving motor, driving motor's output runs through and connects the feed cylinder bottom plate centre of a circle, and is connected with the baffle, and the blanking mouth bottom is installed out the hopper, and goes out the hopper bottom and be linked together with the three-way pipe.
4. The stream inoculation apparatus for cast iron production as claimed in claim 3, wherein: the blanking port is fan-shaped, the vertex of the blanking port coincides with the circle center of the receiving cylinder bottom plate, the radius of the blanking port is the same as that of the receiving cylinder bottom plate, the baffle is arranged below the blanking port and is fan-shaped, the vertex of the baffle is connected with the driving motor, and the radius of the baffle is the same as that of the receiving cylinder bottom plate.
5. The stream inoculation apparatus for cast iron production as claimed in claim 3, wherein: the blanking port is arc-shaped, the circle center of the arc-shaped is coincided with the circle center of the material receiving barrel base plate, the radius of the arc-shaped is smaller than that of the material receiving barrel base plate, the baffle is arranged below the blanking port and is fan-shaped, the top point of the baffle is connected with the driving motor, and the radius of the baffle is the same as that of the material receiving barrel base plate.
6. The stream inoculation device for cast iron production according to claim 3, wherein: the driving motor is a servo motor or a stepping motor.
7. The stream inoculation apparatus for cast iron production as claimed in claim 2, wherein: the movable plate trolley comprises a movable plate and universal wheels arranged on two sides of one end of the bottom of the movable plate, pad feet are arranged on two sides of the other end of the bottom of the movable plate, and a pushing handle used for pushing the movable plate to move is installed at one end of the movable plate.
8. The stream inoculation apparatus for cast iron production as claimed in claim 2, wherein: the gas supply mechanism comprises a compressor and a gas storage tank connected with the compressor, the compressor and the gas storage tank are both mounted on the movable plate trailer, and the gas storage tank is communicated with the gas pipe.
9. The stream inoculation apparatus for cast iron production as claimed in claim 2, wherein: the elastic element is a spring.
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| CN202111394735.3A CN114082901A (en) | 2021-11-23 | 2021-11-23 | Stream inoculation method and device for cast iron production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114682738A (en) * | 2022-03-30 | 2022-07-01 | 江西亿丰精密铸造有限公司 | Cast iron lost foam pouring equipment |
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