Automatic molten iron handling system for sandwich spheroidizing process

Abstract

The present invention relates to the technical field of molten iron handling, and more specifically discloses an automatic molten iron handling system for a sandwich spheroidizing process, comprising a furnace front water receiving vehicle, a molten iron ladle, and a transport water pouring vehicle. The furnace front water receiving vehicle comprises a main control cabinet, one side of the top of the main control cabinet is fixedly connected to a support arm, the bottom of the other end of the support arm is fixedly connected to a ladle cover, the top of the main control cabinet is fixedly connected to a regulator, upper and lower controllers are installed inside the main control cabinet, a start-stop switch is fixedly connected to the front of the main control cabinet, and a cabinet door bracket is fixedly connected to the other side of the interior of the main control cabinet; the present invention is conducive to realizing a secondary molten iron pouring process by providing a dumping cylinder and a tilting cylinder, thereby increasing work efficiency while ensuring a safe working environment, avoiding the safety hazards caused by inaccurate positioning and strong molten iron fluidity in the current molten iron direct pouring process, and improving work safety and positioning accuracy.

Description

Technical Field

[0001] The present invention relates to the technical field of molten iron transportation, and more particularly to an automatic molten iron transportation system for a sandwich spheroidization process. Background Art

[0002] The sandwich spheroidizing process refers to the method of packing the spheroidizing agent, inoculant and covering agent in batches and layers in a sandwich-like manner, tamping them layer by layer and slightly covering them. This can delay the initiation time of the spheroidizing reaction, prolong the spheroidizing reaction time, greatly increase the absorption rate of the spheroidizing agent Mg, and improve the final mechanical properties and metallographic structure of the ductile iron.

[0003] At present, the transportation process of molten iron in the spheroidizing process is generally completed by molten iron handling equipment. Such equipment is generally composed of a fixed mechanical transport line roller and dust removal equipment. The molten iron is poured into a transfer car with spheroidizing agent and covering agent added in advance through the dumping equipment. The transfer car transports the molten iron to the slag removal station and tilts it at a certain angle. The slag removal agent is added manually and the residue on the surface of the molten iron is scraped off. The slag falls into the collection box at the bottom of the personnel. Then the molten iron is moved to the pouring station under the continuous movement of the transfer car. The water-containing mechanism of the rotating transfer car is rotated to a horizontal state by controlling the rotation, and the molten iron is poured in to complete the pouring process.

[0004] At present, transfer vehicles usually use a single set of hydraulic rods as tilting components, and this mode of action generally causes the angle between the molten iron ladle and the transfer vehicle to change within a range of no more than 90 degrees. Once the angle exceeds this range, it is easy for the two to shift, resulting in an inability to restore the original horizontal state. The risk factor of the molten iron ladle overturning increases, and it is also easy to cause molten iron residue inside the molten iron ladle, affecting subsequent use. A cleaning procedure needs to be added to ensure the cleanliness of subsequent use. In addition, this mode of transportation generally requires a large roller conveyor on the ground as a travel space for the transfer vehicle. The workshop occupies a large area, and subsequent disassembly and maintenance are inconvenient. At the same time, the above-mentioned process is generally operated by personnel in real time, including but not limited to determining the tilt angle, carrying out the slag removal procedure, and determining the transportation position of the molten iron ladle. It can be seen that the existing molten iron ladle transportation process has low accuracy and high human operation. The sandwich process generally recommends completing the pouring process within eight minutes to ensure that the process requirement of spheroidization decay caused by the reaction of magnesium with air is not easy to meet, and it is difficult to control the manual operation time. Summary of the Invention

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides an automatic molten iron handling system for a sandwich spheroidization process to solve the problems existing in the above-mentioned background technology.

[0006] The present invention provides the following technical solutions: a sandwich spheroidization process molten iron automatic handling system, comprising a furnace front water receiving car, a molten iron ladle, and a transport water pouring car, the furnace front water receiving car comprising a main control cabinet, one side of the top of the main control cabinet is fixedly connected to a support arm, the bottom of the other end of the support arm is fixedly connected to a bag cover, the top of the main control cabinet is fixedly connected to a regulator, the interior of the main control cabinet is equipped with upper and lower controllers, the front of the main control cabinet is fixedly connected to a start-stop switch, the other side of the interior of the main control cabinet is fixedly connected to a cabinet door bracket, and the other side of the furnace front water receiving car is fixedly connected to There is an electrical cabinet, one side of the interior of the water receiving car in front of the furnace is fixedly connected to a motorized roller, the bottom of the water receiving car in front of the furnace is fixedly connected to a water receiving base frame, the molten iron ladle includes a molten iron drum, the outer side of the molten iron drum is fixedly connected to a connecting ring, the bottom of the molten iron drum is fixedly connected to a bottom support plate, the bottom of the bottom support plate is provided with a stop groove, the outer side of the connecting ring is fixedly connected to a side ear, one side of the transport pouring water car is fixedly connected to a dumping unit, the bottom of the transport pouring water car is fixedly connected to a pouring transmission unit, and the bottom of the pouring transmission unit is fixedly connected to a water pouring base frame;

[0007] The tilting unit includes a top fixing frame, a top buffer plate is installed on the other side of the top fixing frame, a top positioning ring is fixedly connected to one side of the front and back of the top fixing frame, and the bottom of the top fixing frame is fixedly connected to two side support plates, and a side support groove is opened on the front of the side support plate. The bottom of the top fixing frame is located on the outer side of the side support plate and is fixedly connected to the dumping cylinder, and the other end of the dumping cylinder is fixedly connected to the bottom connecting plate, and one side of the bottom connecting plate is fixedly connected to the right-angle plate, and the bottom of the right-angle plate is installed with a bottom positioning ring, and the outer side of the right-angle plate is fixedly connected to the tilting cylinder, and the other end of the tilting cylinder is fixedly connected to the pouring bottom frame, and the bottom of the bottom connecting plate is fixedly connected to a transverse rib plate, and one side of the transverse rib plate is fixedly connected to the rear bottom auxiliary plate

[0008] Furthermore, the electrical cabinet includes a control box, a main control unit is installed inside the control box, a heat dissipation unit is fixedly connected to the front of the main control unit, the motorized roller includes a displacement frame, one side of the displacement frame is fixedly connected to a horizontal rotating frame, the top of the horizontal rotating frame is movably connected to a roller side frame, a plurality of conveying rollers are installed inside the roller side frame, a positioning baffle is installed at the bottom of the roller side frame in the gap between the conveying rollers, the water receiving bottom frame includes a bottom support frame, the top of the bottom support frame is fixedly connected to a connecting piece, bottom rollers are installed inside the bottom support frame, and the top inside the bottom support frame is fixedly connected to a moving motor.

[0009] Furthermore, the water transport truck includes an upper baffle, the interior of the upper baffle is fixedly connected to a detection unit, the bottom of the upper baffle is fixedly connected to an auxiliary support plate, the interior of the upper baffle is fixedly connected to a side rear baffle on one side of the detection unit, the water transport unit includes two side frames, the top of the side frame is fixedly connected to a side connecting plate, a transport roller rod is fixedly connected between the two side frames, a trapezoidal plate is installed at the bottom of the side frame, and a stop motor is installed on the other side of the trapezoidal plate, the water pouring base frame includes a base frame main frame, the back of the base frame main frame is fixedly connected to a transmission unit, the top of the base frame main frame is fixedly connected to a base frame connecting plate, the other side of the base frame main frame is fixedly connected to two base frame positioning rods, and the front of the base frame main frame is fixedly connected to an auxiliary wheel.

[0010] Furthermore, the other side of the displacement frame is installed on the upper and lower controllers, and a telescopic hydraulic rod is installed inside the upper and lower controllers. A rotating disk is installed at the bottom of the roller side frame at the top of the horizontal rotating frame, and the rotating disk is used to adjust the direction of the conveyor roller.

[0011] Furthermore, an air suction device is installed inside the main control cabinet, and the air suction device is connected to the air suction hole at the bottom of the cover through a support arm.

[0012] Furthermore, the top fixing frame and the side support plates form a second-order support structure, and the transverse rib plate and the rear bottom auxiliary plate form a first-order support structure.

[0013] Furthermore, the positions of the two ends of the tilt cylinder to the bottom positioning ring are the same, and the tilt cylinder is always distributed in an isosceles triangle with the bottom positioning ring when extending and retracting. When the tilt cylinder contracts, the tilt unit reaches a minimum angle of -10 degrees, and the minimum diameter of the side ear is the same as the diameter of the side support groove.

[0014] Furthermore, the stop motor controls the orientation position of the stationary plate through a positioning photoelectric element, and a positioning sensor is installed inside the chassis positioning rod.

[0015] Furthermore, a sandwich spheroidizing process molten iron automatic handling system includes:

[0016] Origin positioning module: used to monitor the relative position between the water receiving car in front of the furnace and the origin position, compare the parameters of the molten iron ladle with the standard deviation of the original data, and calibrate the original reference data;

[0017] Nodularizer and covering agent input re-inspection module: used to detect the relationship between the weight of nodularizer and covering agent inside the ladle;

[0018] Molten iron injection module: includes a door cover control module and a molten iron replenishment module. The door cover control module is used to control the opening and closing of the molten iron injection end door cover after the molten iron ladle reaches the specified position. The molten iron replenishment module is used to replenish the molten iron inside the molten iron ladle and adjust its own tilt angle according to the weight of the molten iron in the molten iron ladle so that the molten iron inside the molten iron ladle reaches the standard weight and volume;

[0019] Double car transfer module: including positioning detection and roller control, used to monitor the transfer of molten iron ladle from the water receiving car in front of the furnace to the transport water pouring car,

[0020] Motion control module: used to determine the subsequent movement position according to the specific position of the molten iron ladle and control the roller rotation speed and rotation time;

[0021] Tipping and pouring module: used to control the two-stage tipping process of the ladle in combination with the photoelectric positioner and pressure sensor, monitor the changes in the ladle's tilt angle parameters and compare them with the standard parameters;

[0022] Motion termination module: used to control the sliding and stationary movement of the molten iron ladle on the roller table by controlling the rotation opening and closing of the locking blocks on both sides of the roller table platform using a reduction motor;

[0023] Reverse transfer module: includes positioning detection and roller control, used to monitor the transfer of molten iron ladle from the transport pouring car to the water receiving car in front of the furnace.

[0024] Technical effects and advantages of the present invention:

[0025] 1. The present invention is conducive to realizing the secondary molten iron dumping process by providing a dumping cylinder and a tilting cylinder, thereby increasing work efficiency while ensuring a safe working environment, avoiding the safety hazards caused by inaccurate positioning and strong fluidity of molten iron in the current direct molten iron dumping process, and improving work safety and positioning accuracy.

[0026] 2. The present invention is provided with a stationary plate and a stop motor, which is conducive to real-time monitoring during the molten iron transfer process and timely stopping of operation when necessary, avoiding safety hazards caused by excessive transmission, improving the safety factor while improving the automation level, and ensuring the personal safety of on-site supervisors.

[0027] 3. The present invention is beneficial to improving the safety of molten iron during transportation by providing a cover, avoiding contact between molten iron and external air, preventing the molten iron from cooling while avoiding the spheroidization decline caused by the reaction and consumption of magnesium with external air. In addition, it is also beneficial to utilize the suction holes opened on the cover to adsorb dust gas generated by the internal spheroidization reaction, thereby preventing industrial dust from affecting the workshop working environment.

[0028] 4. The present invention is conducive to realizing a highly automated molten iron handling process by providing an automatic handling system, saving labor costs by utilizing a highly automated control system, and at the same time, reducing the possibility of contact between personnel and molten iron by utilizing a combination of system autonomous control and personnel control. It is also conducive to utilizing a compact internal structure to achieve the purpose of occupying a small space and being easy to disassemble and maintain, thus solving the problem that the current handling system workshop occupies a large area and is difficult to disassemble and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0030] Figure 2 It is a structural schematic diagram of the furnace front water receiving vehicle of the present invention.

[0031] Figure 3 It is a schematic diagram of the structure of the motorized roller table of the present invention.

[0032] Figure 4 It is a schematic structural diagram of the water receiving chassis of the present invention.

[0033] Figure 5 It is a structural schematic diagram of the water pouring transmission unit of the present invention.

[0034] Figure 6 It is a schematic structural diagram of the dumping unit of the present invention.

[0035] Figure 7 It is a schematic structural diagram of the water pouring chassis of the present invention.

[0036] Figure 8 It is a schematic structural diagram of the iron ladle of the present invention.

[0037] Figure 9 The present invention provides a flow chart of an automatic molten iron handling system for a sandwich nodularization process.

[0038] The accompanying drawings are marked as follows: 1. Water receiving car in front of the furnace; 101. Main control cabinet; 102. Support arm; 103. Bag cover; 104. Regulator; 105. Upper and lower controllers; 106. Start and stop switch; 107. Cabinet door bracket; 2. Electrical cabinet; 201. Control box; 202. Main control unit; 203. Heat dissipation unit; 3. Motorized roller; 301. Displacement frame; 302. Horizontal rotation frame; 303. Roller side frame; 304. Conveyor roller; 305. Positioning baffle; 4. Water receiving bottom frame; 401. Bottom support frame; 402. Bottom roller; 403. Mobile motor; 404. Connecting piece; 5. Molten iron ladle; 501. Molten iron cylinder; 502. Connecting ring; 503. Bottom support plate; 504. Stop groove; 505. Side ear; 6. Transport water pouring car; 601. Upper baffle; 602, detection unit; 603, auxiliary support plate; 604, side and rear baffle; 7, water pouring transmission unit; 701, side frame; 702, side connecting plate; 703, transport roller rod; 704, stationary plate; 705, trapezoidal plate; 706, stop motor; 8, tipping unit; 801, top fixing frame; 802, top buffer plate; 803, top positioning ring; 804, side support plate; 805, side support groove; 806, tipping cylinder; 807, bottom connecting plate; 808, transverse rib plate; 809, bottom positioning ring; 810, tilting cylinder; 811, rear bottom auxiliary plate; 9, water pouring base frame; 901, base frame main frame; 902, transmission unit; 903, base frame connecting plate; 904, base frame positioning rod; 905, auxiliary wheel. DETAILED DESCRIPTION

[0039] The technical solutions of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the present invention. In addition, the forms of the various structures described in the following embodiments are merely examples. The automatic molten iron handling system for a sandwich spheroidizing process involved in the present invention is not limited to the various structures described in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0040] Reference Figure 1 and Figure 6The present invention provides an automatic molten iron handling system for a sandwich spheroidizing process, comprising a furnace front water receiving vehicle 1, a molten iron ladle 5, and a transport water pouring vehicle 6. The furnace front water receiving vehicle 1 comprises a main control cabinet 101, one side of the top of the main control cabinet 101 is fixedly connected to a support arm 102, the bottom of the other end of the support arm 102 is fixedly connected to a ladle cover 103, the top of the main control cabinet 101 is fixedly connected to a regulator 104, the interior of the main control cabinet 101 is equipped with upper and lower controllers 105, the front of the main control cabinet 101 is fixedly connected to a start-stop switch 106, the other side of the interior of the main control cabinet 101 is fixedly connected to a cabinet door bracket 107, and the other side of the main control cabinet 101 is fixed to a door bracket 107. It is connected to an electrical cabinet 2, a motorized roller table 3 is fixedly connected to one side of the interior of the water receiving vehicle 1 in front of the furnace, a water receiving frame 4 is fixedly connected to the bottom of the water receiving vehicle 1 in front of the furnace, a molten iron ladle 5 includes a molten iron cylinder 501, a connecting ring 502 is fixedly connected to the outside of the molten iron cylinder 501, a bottom support plate 503 is fixedly connected to the bottom of the molten iron cylinder 501, a stop groove 504 is provided at the bottom of the bottom support plate 503, a side ear 505 is fixedly connected to the outside of the connecting ring 502, a dumping unit 8 is fixedly connected to one side of the transport pouring vehicle 6, a pouring transmission unit 7 is fixedly connected to the bottom of the pouring transmission unit 7, and a pouring frame 9 is fixedly connected to the bottom of the pouring transmission unit 7;

[0041] The tipping unit 8 includes a top fixing frame 801, a top buffer plate 802 is installed on the other side of the top fixing frame 801, a top positioning ring 803 is fixedly connected to one side of the front and back of the top fixing frame 801, and the bottom of the top fixing frame 801 is fixedly connected to two side support plates 804, and a side support groove 805 is provided on the front of the side support plate 804. The bottom of the top fixing frame 801 is located on the outside of the side support plate 804 and is fixedly connected to a tipping cylinder 806, and the other end of the tipping cylinder 806 is fixedly connected to a bottom connecting plate 807, one side of the bottom connecting plate 807 is fixedly connected to a right-angle plate, and a bottom positioning ring 809 is installed at the bottom of the right-angle plate, and a tilting cylinder 810 is fixedly connected to the outside of the right-angle plate, and the other end of the tilting cylinder 810 is fixedly connected to the water pouring bottom frame 9, and the bottom of the bottom connecting plate 807 is fixedly connected to a transverse rib plate 808, and one side of the transverse rib plate 808 is fixedly connected to a rear bottom auxiliary plate 811.

[0042] In this embodiment, it should be specifically explained that the main difference between this embodiment and the prior art is that this embodiment uses a mechanical structure combined with a sandwich spheroidization process molten iron automatic handling system as an automated control means to carry out molten iron handling instead of the existing manual operation of molten iron handling and slag removal process, specifically the ladle cover 103, the molten iron ladle 5, and the dumping unit 8;

[0043] The above structure is the main structure of this embodiment, which solves the problem of high risk factor of manual operation during molten iron transportation, low production efficiency and long transportation time, which leads to consumption of magnesium by reaction with air and causes spheroidization decline. The electrical cabinet 2 is an existing structure, and the specific structure and connection method of the electrical cabinet 2 are not described in detail in this embodiment. In addition, the rotation control method of the water pouring base 9 and the motorized roller 3 also belongs to the existing technology. Therefore, this application does not provide a detailed explanation.

[0044] Reference Figure 2-4 The electrical cabinet 2 includes a control box 201, and a main control unit 202 is installed inside the control box 201. The front of the main control unit 202 is fixedly connected to the heat dissipation unit 203. The motorized roller 3 includes a displacement frame 301, and one side of the displacement frame 301 is fixedly connected to a horizontal rotating frame 302. The top of the horizontal rotating frame 302 is movably connected to a roller side frame 303. A plurality of conveying rollers 304 are installed inside the roller side frame 303. A positioning baffle 305 is installed at the bottom of the roller side frame 303 in the gap between the conveying rollers 304. The water receiving bottom frame 4 includes a bottom support frame 401, and a connecting piece 404 is fixedly connected to the top of the bottom support frame 401. Bottom rollers 402 are installed inside the bottom support frame 401, and a moving motor 403 is fixedly connected to the top inside the bottom support frame 401.

[0045] In this embodiment, it is necessary to specifically explain that: the other side of the displacement frame 301 is installed on the upper and lower controllers 105, and a telescopic hydraulic rod is installed inside the upper and lower controllers 105 for controlling the rise and fall of the motorized roller 3. The top of the horizontal rotating frame 302 is located at the bottom of the roller side frame 303, and a rotating disk is installed. The rotating disk is used to adjust the orientation position of the conveying roller 304, so that the molten iron ladle 5 has the ability to move horizontally and longitudinally at the top of the conveying roller 304. An air suction device is installed inside the main control cabinet 101, and the air suction device is connected to the air suction hole at the bottom of the ladle cover 103 through the support arm 102, which is conducive to further adsorbing the dust gas generated during the spheroidization process inside the molten iron ladle 5, thereby protecting the on-site workshop working environment.

[0046] The top fixing frame 801 and the side support plate 804 form a second-order supporting structure, which plays a supporting and fixing role during the secondary dumping process of the molten iron ladle 5. The transverse rib plate 808 and the rear bottom auxiliary plate 811 form a first-order supporting structure, which plays a supporting role during the primary tilting process. The rear bottom auxiliary plate 811 is located on one side of the transverse rib plate 808 and has an angle limiting effect, thereby avoiding the possibility of the device overturning due to excessive rotation of the dumping unit 8. At the same time, it enhances the supporting effect and the structural supporting capacity. The maximum tilting angle allowed by the rear bottom auxiliary plate 811 is 120 degrees. The positions of the two ends of the tilting cylinder 810 to the bottom positioning ring 809 are the same. The tilting cylinder 810 is always distributed in an isosceles triangle with the bottom positioning ring 809 when it is extended and retracted. When the tilting cylinder 810 contracts, the dumping unit 8 reaches a minimum angle of -10 degrees. The top fixing frame 801 drives the molten iron ladle 5 to rotate around the top positioning ring 803 under the action of the dumping cylinder 806. The maximum rotation angle is 90 degrees.

[0047] The minimum diameter of the side ears 505 is the same as the diameter of the side support groove 805 . During the pouring process, the side support groove 805 plays a role in fixing and supporting the ladle 5 through the side ears 505 .

[0048] Reference Figure 5-7 The water transport cart 6 includes an upper baffle 601, the interior of the upper baffle 601 is fixedly connected to a detection unit 602, the bottom of the upper baffle 601 is fixedly connected to an auxiliary support plate 603, the interior of the upper baffle 601 is fixedly connected to a side rear baffle 604 on one side of the detection unit 602, the water transport unit 7 includes two side frames 701, the top of the side frame 701 is fixedly connected to a side connecting plate 702, a transport roller rod 703 is fixedly connected between the two side frames 701, a trapezoidal plate 705 is installed at the bottom of the side frame 701, and a stop motor 706 is installed on the other side of the trapezoidal plate 705, the water pouring bottom frame 9 includes a bottom frame main frame 901, the back of the bottom frame main frame 901 is fixedly connected to the transmission unit 902, the top of the bottom frame main frame 901 is fixedly connected to the bottom frame connecting plate 903, the other side of the bottom frame main frame 901 is fixedly connected to two bottom frame positioning rods 904, and the front of the bottom frame main frame 901 is fixedly connected to an auxiliary wheel 905.

[0049] In this embodiment, it is necessary to specifically explain that the stop motor 706 controls the orientation of the stationary plate 704 through the positioning photoelectric element. The stationary plate 704 is in the top position, which is beneficial to ensure that the ladle 5 does not slide during transportation, thereby improving work safety. A positioning sensor is installed inside the chassis positioning rod 904. The positioning sensor is used to ensure the accuracy of the position of the vehicle during the handover process.

[0050] Reference Figure 4 , a sandwich spheroidizing process molten iron automatic handling system, characterized by comprising:

[0051] Origin positioning module: used to monitor the relative position relationship between the water receiving car 1 in front of the furnace and the origin position, and compare the various parameters of the molten iron ladle 5 with the standard deviation of the original data, and calibrate the original reference data;

[0052] Nodularizer and covering agent input recheck module: used to detect the relationship between the weight of the nodularizer and the weight of the covering agent inside the ladle 5;

[0053] Molten iron injection module: includes a door cover control module and a molten iron replenishing module. The door cover control module is used to control the opening and closing of the molten iron injection end door cover after the molten iron ladle 5 reaches the specified position. The molten iron replenishing module is used to replenish the molten iron inside the molten iron ladle 5 and adjust its own tilt angle according to the weight of the molten iron in the molten iron ladle 5 so that the molten iron inside reaches the standard weight and volume;

[0054] Double car transfer module: including positioning detection and roller control, used to monitor the transfer of molten iron ladle 5 from the furnace front water receiving car 1 to the transport water pouring car 6,

[0055] Motion control module: used to determine the subsequent moving position according to the specific position of the molten iron ladle 5 and control the roller rotation speed and rotation time;

[0056] Tipping and pouring module: used to control the two-stage tipping process of the ladle 5 in combination with the photoelectric positioner and the pressure sensor, monitor the change of the tilt angle parameter of the ladle 5 and compare it with the standard parameter;

[0057] Motion termination module: used to control the sliding and stationary state of the ladle 5 on the roller table by controlling the rotation opening and closing of the locking blocks on both sides of the roller table platform using a reduction motor;

[0058] Reverse transfer module: includes positioning detection and roller control, used to monitor the transfer of the molten iron ladle 5 from the transport water pouring car 6 to the water receiving car 1 in front of the furnace.

[0059] In this embodiment, it should be specifically explained that the motion termination module includes two structural units: a stationary plate 704 and a positioning baffle 305. The module is in a normally open state during the movement of the water receiving base 4 and the water pouring base 9. The module cannot be forcibly started during the movement of the water receiving base 4 and the water pouring base 9. The start-up of the motion termination module must be accompanied by two necessary conditions: the water receiving base 4 and the water pouring base 9 are in a stationary state and the fixed position reaches the specified position.

[0060] Working principle of the present invention:

[0061] The main problem solved by this embodiment is to use highly automated means to solve the problems of high risk of manual operation in the current molten iron transportation process, low production efficiency and long transportation time, which leads to magnesium consumption during the reaction with air and causes spheroidization decline.

[0062] The specific steps are as follows:

[0063] Molten iron receiving process: under the control of the electrical cabinet 2, it runs to the origin of the handling system, adds spheroidizing agent and covering agent into the inside of the molten iron ladle 5, and after completion, the re-inspection module re-inspects the weight of the entire spheroidizing agent and covering agent. After passing the re-inspection, the furnace front water receiving car 1 carries the molten iron ladle 5 and moves to the front of the iron electric furnace to wait for the molten iron to be poured into it and the spheroidization reaction to proceed. During the molten iron introduction process, the position of the furnace front water receiving car 1 is determined by the photoelectric sensor. After reaching the specified position, the door cover control module controls the ladle cover 103 to move away from the top of the molten iron ladle 5, and the molten iron injection module controls the tilt of the molten iron and injects it into the inside of the molten iron ladle 5;

[0064] Transfer process: After the spheroidization reaction is completed, the furnace water receiving car 1 carries the molten iron ladle 5 to the slag skimming platform, the horizontal rotating frame 302 controls the roller side frame 303 to rotate, and the top of the conveying roller 304 rotates downward and retracts. The conveying roller 304 acts on the bottom of the molten iron ladle 5 to transport it to the slag skimming platform for slag skimming. After completion, the furnace water receiving car 1 drives the molten iron ladle 5 to be transferred to the handover point, and the furnace water receiving car 1 controls the motorized roller 3 and the molten iron ladle 5 to rise as a whole to the same height as the base frame positioning rod 904 and the horizontal rotating frame 302. The positioning baffle 305 and the stationary plate 704 are both rotated downward and retracted. The transport roller rod 703 and the conveying roller 304 work together to transfer the molten iron ladle 5 from the top of the motorized roller 3 to the top of the water pouring transmission unit 7;

[0065] Pouring process: After the pouring transfer unit 7 carries the molten iron ladle 5, the pouring bottom frame 9 transports it to the pouring position. After arriving at the fixed position, the continuous movement of the stationary plate 704 causes the side ears 505 on both sides to be placed in the side support grooves 805. The side support plates 804 support the molten iron ladle 5. Then the tilting cylinder 810 is extended to form an obtuse triangle with the bottom positioning ring 809 and the two ends of the tilting cylinder 810. The obtuse angle is 120 degrees. At this time, the dumping unit 8 and the molten iron ladle 5 are placed at an angle as a whole. The supporting force of the rear bottom auxiliary plate 811 and the pulling force of the tilting cylinder 810 work together to support the whole. As a result, the top buffer plate 802 contacts the outer side of the ladle 5 to play a supporting role, and then the dumping cylinder 806 extends, and the top fixing frame 801 and the ladle 5 form a whole that rotates 90 degrees around the top positioning ring 803 to tilt the top opening of the ladle 5 and pour the molten iron into the pouring machine. At this time, the ladle 5 is at an angle of -30 degrees to the ground, and the molten iron after the spheroidization reaction in the ladle 5 completes the pouring process under the action of gravity. After the pouring is completed, the dumping unit 8 and the pouring base 9 work together to level the ladle 5 and hand over the ladle 5 to the motorized roller 3 to return to the system origin and wait for the next use.

[0066] Secondly, it also solves the problem that the spheroidization reaction easily generates dust that affects the working environment of the workshop;

[0067] The middle part of the bottom of the cover 103 is made of insulation material, and air intake holes are provided on the periphery. When the cover 103 is covered on the top of the ladle 5, the insulation layer can prevent the internal molten iron from contacting with the external air while preventing the molten iron from cooling. The air intake holes can further absorb the dust generated by the spheroidization reaction that is not completely adsorbed at the reaction station, thereby reducing the impact of dust on the production workshop environment.

Claims

1. An automatic molten iron handling system for a sandwich spheroidization process, comprising a furnace front water receiving vehicle (1), a molten iron ladle (5), and a transport water pouring vehicle (6), characterized in that: The furnace front water receiving vehicle (1) comprises a main control cabinet (101), one side of the top of the main control cabinet (101) is fixedly connected to a support arm (102), the bottom of the other end of the support arm (102) is fixedly connected to a cover (103), the top of the main control cabinet (101) is fixedly connected to a regulator (104), the interior of the main control cabinet (101) is equipped with an upper and lower controller (105), the front of the main control cabinet (101) is fixedly connected to a start-stop switch (106), the other side of the interior of the main control cabinet (101) is fixedly connected to a cabinet door bracket (107), the other side of the furnace front water receiving vehicle (1) is fixedly connected to an electrical cabinet (2), and one side of the interior of the furnace front water receiving vehicle (1) is fixedly connected to an organic A movable roller conveyor (3); the bottom of the water receiving vehicle (1) in front of the furnace is fixedly connected to a water receiving frame (4); the molten iron ladle (5) comprises a molten iron drum (501); the outer side of the molten iron drum (501) is fixedly connected to a connecting ring (502); the bottom of the molten iron drum (501) is fixedly connected to a bottom support plate (503); the bottom of the bottom support plate (503) is provided with a stop groove (504); the outer side of the connecting ring (502) is fixedly connected to a side ear (505); one side of the transport pouring vehicle (6) is fixedly connected to a dumping unit (8); the bottom of the transport pouring vehicle (6) is fixedly connected to a pouring transmission unit (7); the bottom of the pouring transmission unit (7) is fixedly connected to a pouring frame (9); The tipping unit (8) comprises a top fixing frame (801), a top buffer plate (802) is installed on the other side of the top fixing frame (801), a top positioning ring (803) is fixedly connected to one side of the front and back of the top fixing frame (801), two side support plates (804) are fixedly connected to the bottom of the top fixing frame (801), a side support groove (805) is provided on the front of the side support plate (804), and a tipping cylinder (805) is fixedly connected to the bottom of the top fixing frame (801) located outside the side support plate (804). 6), the other end of the tipping oil cylinder (806) is fixedly connected to a bottom connecting plate (807), one side of the bottom connecting plate (807) is fixedly connected to a right-angle plate, the bottom of the right-angle plate is installed with a bottom positioning ring (809), the outer side of the right-angle plate is fixedly connected to a tilting oil cylinder (810), the other end of the tilting oil cylinder (810) is fixedly connected to the pouring bottom frame (9), the bottom of the bottom connecting plate (807) is fixedly connected to a transverse rib plate (808), and one side of the transverse rib plate (808) is fixedly connected to a rear bottom auxiliary plate (811).

2. The automatic molten iron handling system for sandwich nodulization process according to claim 1, characterized in that: The electrical cabinet (2) comprises a control box (201), a main control unit (202) is installed inside the control box (201), a heat dissipation unit (203) is fixedly connected to the front of the main control unit (202), the motorized roller conveyor (3) comprises a displacement frame (301), a horizontal rotating frame (302) is fixedly connected to one side of the displacement frame (301), a roller side frame (303) is movably connected to the top of the horizontal rotating frame (302), and the roller side frame (303) is fixedly connected to the horizontal rotating frame (302). ) are installed with a plurality of conveying rollers (304) inside, a positioning baffle (305) is installed at the bottom of the roller side frame (303) in the gap between the conveying rollers (304), the water receiving bottom frame (4) comprises a bottom support frame (401), a connecting piece (404) is fixedly connected to the top of the bottom support frame (401), a bottom roller (402) is installed inside the bottom support frame (401), and a moving motor (403) is fixedly connected to the top inside the bottom support frame (401).

3. The automatic molten iron handling system for sandwich spheroidization process according to claim 1, characterized in that: The transport water pouring vehicle (6) comprises an upper baffle (601), a detection unit (602) is fixedly connected to the interior of the upper baffle (601), an auxiliary support plate (603) is fixedly connected to the bottom of the upper baffle (601), a side rear baffle (604) is fixedly connected to one side of the detection unit (602) inside the upper baffle (601), and the water pouring transmission unit (7) comprises two side frames (701), a side connecting plate (702) is fixedly connected to the top of the side frame (701), and a transport roller rod (703) is fixedly connected between the two side frames (701). ), a trapezoidal plate (705) is installed at the bottom of the side frame (701), a stop motor (706) is installed on the other side of the trapezoidal plate (705), the water pouring base frame (9) includes a base frame main frame (901), the back of the base frame main frame (901) is fixedly connected to a transmission unit (902), the top of the base frame main frame (901) is fixedly connected to a base frame connecting piece (903), the other side of the base frame main frame (901) is fixedly connected to two base frame positioning rods (904), and the front of the base frame main frame (901) is fixedly connected to an auxiliary wheel (905).

4. The automatic molten iron handling system for sandwich nodulization process according to claim 2, characterized in that: The other side of the displacement frame (301) is mounted on the upper and lower controllers (105), and a telescopic hydraulic rod is installed inside the upper and lower controllers (105). A rotating disk is installed at the top of the horizontal rotating frame (302) and at the bottom of the roller side frame (303). The rotating disk is used to adjust the orientation of the conveying roller (304).

5. The automatic molten iron handling system for sandwich nodulizing process according to claim 1, characterized in that: An air suction device is installed inside the main control cabinet (101), and the air suction device is connected to the air suction hole at the bottom of the package cover (103) through the support arm (102).

6. The automatic molten iron handling system for sandwich nodulization process according to claim 1, characterized in that: The top fixing frame (801) and the side support plate (804) form a second-order support structure, and the transverse rib plate (808) and the rear bottom auxiliary plate (811) form a first-order support structure.

7. The automatic molten iron handling system for sandwich nodulization process according to claim 1, characterized in that: The positions of the two ends of the tilting oil cylinder (810) to the bottom positioning ring (809) are the same. The tilting oil cylinder (810) and the bottom positioning ring (809) are always distributed in an isosceles triangle when the tilting oil cylinder (810) is extended or retracted. When the tilting oil cylinder (810) is retracted, the tilting unit (8) reaches a minimum angle of -10 degrees. The minimum diameter of the side ear (505) is the same as the diameter of the side support groove (805).

8. The automatic molten iron handling system for sandwich spheroidization process according to claim 3, characterized in that: The stop motor (706) controls the orientation of the stationary plate (704) through a positioning photoelectric element, and a positioning sensor is installed inside the chassis positioning rod (904).

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