Distributing device for silicon molten iron pouring

Abstract

The utility model relates to the technical field of submerged arc furnaces, in particular to a material distributing device for molten silicon iron pouring, which comprises a stock bin and a splayed belt car, the splayed belt car is arranged on the left side above the stock bin, a weighing mechanism is arranged on the bottom surface of an inner cavity of the stock bin, a material guiding mechanism is arranged above the weighing mechanism, and a PLC (programmable logic controller) is arranged on the right side of the stock bin. The weighing mechanism comprises a bearing cylinder, weighing sensors, a discharging pipe, an electromagnetic valve and a discharging port, the splayed belt vehicle is started, materials are conveyed into the stock bin, the materials are guided to the middle of an inner cavity of the bearing cylinder through the material guiding mechanism, the weight of the materials in the bearing cylinder is monitored in real time through the three sets of weighing sensors, and after the weight of the materials reaches a preset value, the discharging port is opened. The weighing sensor transmits data to the PLC, and the PLC receives the data and controls the driving motor and the splayed belt vehicle to be closed and controls the electromagnetic valve to be opened, so that materials in the bearing cylinder are discharged from the discharging pipe and the discharging port, and the automatic material distribution effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ore-fired furnaces, and in particular relates to a material distribution device for pouring ferrosilicon water. Background Art

[0002] In an electric arc furnace, the top hopper for feeding materials into the furnace is usually manually operated by an "eight-shaped" belt car. The material added to the top hopper is controlled by manual observation. However, the lack of precision in manual control will cause large errors in each feeding, resulting in different amounts of material processed each time, affecting the quality of ferrosilicon pouring. Utility Model Content

[0003] The utility model aims to provide a material distribution device for ferrosilicon water pouring to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A material distribution device for ferrosilicon water casting, comprising a silo and an eight-shaped belt car, wherein the eight-shaped belt car is arranged on the left side above the silo, a weighing mechanism is arranged on the bottom surface of the inner cavity of the silo, a material guide mechanism is arranged above the weighing mechanism, and a PLC controller is arranged on the right side of the silo, the eight-shaped belt car is started by the PLC controller to transport materials into the silo, the driving motor is controlled by the PLC controller to start, the transmission shaft is driven to rotate, thereby driving the connecting plate and the circular material guide plate to rotate, the material enters the circular opening and falls to the middle of the bottom surface of the inner cavity of the bearing cylinder, the weight of the material in the bearing cylinder is monitored in real time by three groups of weighing sensors, the sum of the values ​​of the three groups of weighing sensors is the weight of the material, after the weight of the material reaches a preset value, the weighing sensor transmits data to the PLC controller, the PLC controller receives the data and controls the driving motor and the eight-shaped belt car to close, and the electromagnetic valve to open, so that the material in the bearing cylinder is discharged from the discharge pipe and the discharge port, so as to achieve the effect of automatic material distribution;

[0006] The weighing mechanism includes a bearing cylinder, a weighing sensor, a discharge pipe, a solenoid valve and a discharge port. The bearing cylinder is arranged below the inner cavity of the silo, and a gap is left between the bottom surface of the bearing cylinder and the silo. The weighing sensor is connected to the bottom surface of the bearing cylinder in a circular array, and there are three groups of weighing sensors. The bottom surface of the weighing sensor is connected to the silo, and the discharge pipe is connected to the middle of the bottom of the bearing cylinder. The solenoid valve is arranged on the discharge pipe, and the solenoid valve is at the bottom end of the bearing cylinder. The discharge port is opened in the middle of the bottom of the silo, and the discharge pipe is above the discharge port.

[0007] The material guiding mechanism comprises a circular material guiding plate, a circular opening, an assembly plate, a driving motor, a transmission shaft and a connecting plate. The circular material guiding plate is arranged above the supporting tube, and a gap is left between the bottom surface of the circular material guiding plate and the supporting tube, and the outer wall of the circular material guiding plate is connected to the material bin, the assembly plate is fixedly connected to the upper end of the material bin by positioning bolts, the circular opening is opened in the middle of the lower end of the circular material guiding plate, the driving motor is fixedly connected to the middle of the upper end of the assembly plate by positioning bolts, the top end of the transmission shaft is connected to the output end of the driving motor, the bottom end of the transmission shaft passes through the assembly plate and is arranged in the circular opening, the circumferential array of the connecting plates is connected to the bottom end of the outer wall of the transmission shaft, the connecting plates are provided with four groups, and the end of the connecting plate away from the transmission shaft is connected to the circular material guiding plate.

[0008] Preferably, a round tube is sleeved on the outer wall of the transmission shaft, and the round tube is rotatably connected to the transmission shaft through a bearing. Transverse rods are symmetrically connected to the outer wall of the round tube, and the end of the transverse rod away from the round tube is connected to the silo. While not affecting the rotation of the transmission shaft, it plays a certain supporting and limiting role on the outside of the transmission shaft, making the transmission shaft more stable.

[0009] Preferably, an inclined stirring rod is symmetrically connected to the bottom end of the circular tube, and a spherical convex head is provided at the bottom end of the inclined stirring rod, and a gap is left between the spherical convex head and the circular material guide plate. When the circular material guide plate rotates, the material thereon is driven to rotate. At this time, the moving material contacts the inclined stirring rod whose position remains unchanged, so that the inclined stirring rod has a certain stirring effect on the material, thereby ensuring the effect of the material entering the circular opening.

[0010] Preferably, the top surface of the circular material guiding plate is configured as a curved surface structure inclined from the edge toward the circular opening, so that the material can enter the circular opening more smoothly.

[0011] Preferably, the bottom surface of the inner cavity of the supporting tube is configured as a curved surface structure inclined from the edge toward the discharge pipe, so that the material can enter the discharge pipe more smoothly.

[0012] Preferably, the PLC controller is electrically connected to the weighing sensor, the solenoid valve, the drive motor and the figure-eight belt trolley respectively, and the opening and closing of the weighing sensor, the solenoid valve, the drive motor and the figure-eight belt trolley are controlled by the PLC controller respectively.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: when the utility model is in use, the figure-eight belt car is started to transport the material into the silo, and the material is led to the middle of the inner cavity of the carrying cylinder through the material guiding mechanism. The weight of the material in the carrying cylinder is monitored in real time through three sets of weighing sensors. After the weight of the material reaches a preset value, the weighing sensor transmits the data to the PLC controller, the PLC controller receives the data and controls the drive motor and the figure-eight belt car to close and the solenoid valve to open, so that the material in the carrying cylinder is discharged from the discharge pipe and the discharge port, thereby achieving the effect of automatic material distribution. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a schematic diagram of the overall structure of a material distribution device for ferrosilicon water casting.

[0015] Figure 2 This is a schematic cross-sectional view of a silo of a material distribution device for ferrosilicon water casting.

[0016] Figure 3 This is a schematic cross-sectional view of a supporting tube of a material distribution device for ferrosilicon water casting.

[0017] Figure 4 This is a schematic diagram of the bottom surface of a supporting tube of a material distribution device for ferrosilicon water casting.

[0018] Figure 5 The present invention is a schematic diagram of the transmission shaft connection of a material distribution device for ferrosilicon water casting.

[0019] In the figure: 1. silo; 2. figure eight belt conveyor; 3. PLC controller; 4. bearing cylinder; 5. weighing sensor; 6. discharge pipe; 7. solenoid valve; 8. discharge port; 9. circular material guide plate; 10. circular port; 11. assembly plate; 12. drive motor; 13. transmission shaft; 14. connecting plate; 15. circular tube; 16. transverse rod; 17. inclined stirring rod. DETAILED DESCRIPTION

[0020] Example 1

[0021] See also Figure 1-Figure 5As shown, a material distribution device for ferrosilicon water casting comprises a silo 1 and an eight-shaped belt car 2. The eight-shaped belt car 2 is arranged on the upper left side of the silo 1. A weighing mechanism is arranged on the bottom surface of the inner cavity of the silo 1. A material guiding mechanism is arranged above the weighing mechanism. A PLC controller 3 is arranged on the right side of the silo 1. The eight-shaped belt car 2 is started by the PLC controller 3 to convey the material into the silo 1. The driving motor 12 is controlled to start by the PLC controller 3 to drive the transmission shaft 13 to rotate, thereby driving the connecting plate 14 and the circular material guiding plate 9 to rotate. The material enters the circular opening 10 and falls to the middle of the bottom surface of the inner cavity of the bearing cylinder 4. The weight of the material in the bearing cylinder 4 is monitored in real time by three sets of weighing sensors 5. The sum of the values ​​of the three sets of weighing sensors 5 is the weight of the material. After the weight of the material reaches the preset value, the weighing sensor 5 transmits the data to the PLC controller 3. The PLC controller 3 receives the data and controls the drive motor 12 and the eight-shaped belt conveyor 2 to close and the solenoid valve 7 to open, so that the material in the bearing cylinder 4 is discharged from the discharge pipe 6 and the discharge port 8, thereby achieving the effect of automatic material distribution;

[0022] The weighing mechanism includes a bearing cylinder 4, a weighing sensor 5, a discharge pipe 6, a solenoid valve 7 and a discharge port 8. The bearing cylinder 4 is arranged below the inner cavity of the silo 1, and a gap is left between the bottom surface of the bearing cylinder 4 and the silo 1. The weighing sensors 5 are connected to the bottom surface of the bearing cylinder 4 in a circumferential array, and there are three groups of weighing sensors 5. The bottom surface of the weighing sensors 5 is connected to the silo 1. The discharge pipe 6 is connected to the middle of the bottom of the bearing cylinder 4. The solenoid valve 7 is arranged on the discharge pipe 6, and the solenoid valve 7 is at the bottom of the bearing cylinder 4. The discharge port 8 is opened in the middle of the bottom of the silo 1, and the discharge pipe 6 is above the discharge port 8.

[0023] The material guiding mechanism comprises a circular material guiding plate 9, a circular opening 10, an assembly plate 11, a driving motor 12, a transmission shaft 13 and a connecting plate 14. The circular material guiding plate 9 is arranged above the supporting tube 4, and a gap is left between the bottom surface of the circular material guiding plate 9 and the supporting tube 4, and the outer wall of the circular material guiding plate 9 is connected to the silo 1, the assembly plate 11 is fixedly connected to the upper end of the silo 1 by positioning bolts, the circular opening 10 is opened in the middle of the lower end of the circular material guiding plate 9, the driving motor 12 is fixedly connected to the middle of the upper end of the assembly plate 11 by positioning bolts, the top end of the transmission shaft 13 is connected to the output end of the driving motor 12, the bottom end of the transmission shaft 13 passes through the assembly plate 11 and is arranged in the circular opening 10, the connecting plate 14 is connected to the bottom end of the outer wall of the transmission shaft 13 in a circular array, the connecting plate 14 is provided with four groups, and the end of the connecting plate 14 away from the transmission shaft 13 is connected to the circular material guiding plate 9.

[0024] refer to Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, a circular tube 15 is sleeved on the outer wall of the transmission shaft 13, and the circular tube 15 is rotatably connected to the transmission shaft 13 through a bearing. A transverse rod 16 is symmetrically connected to the outer wall of the circular tube 15, and the end of the transverse rod 16 away from the circular tube 15 is connected to the silo 1. While not affecting the rotation of the transmission shaft 13, it plays a certain supporting and limiting role on the outside of the transmission shaft 13, making the transmission shaft 13 more stable.

[0025] refer to Figure 2 , Figure 3 and Figure 5 As shown, the bottom end of the circular tube 15 is symmetrically connected to an inclined stirring rod 17, and a spherical boss is provided at the bottom end of the inclined stirring rod 17, and a gap is left between the spherical boss and the circular material guide plate 9. When the circular material guide plate 9 rotates, the material thereon is driven to rotate. At this time, the moving material contacts the inclined stirring rod 17 whose position remains unchanged, so that the inclined stirring rod 17 has a certain stirring effect on the material, thereby ensuring the effect of the material entering the circular opening 10.

[0026] refer to Figure 2 and Figure 3 As shown, the top surface of the circular material guiding plate 9 is configured as a curved surface structure inclined from the edge toward the circular opening 10 , so that the material can enter the circular opening 10 more smoothly.

[0027] refer to Figure 3 As shown, the bottom surface of the inner cavity of the supporting tube 4 is configured as a curved surface structure that is inclined from the edge toward the discharge pipe 6 , so that the material can enter the discharge pipe 6 more smoothly.

[0028] refer to Figure 1-Figure 5 As shown, the PLC controller 3 is electrically connected to the weighing sensor 5, the solenoid valve 7, the drive motor 12 and the figure-eight belt trolley 2 respectively, and the PLC controller 3 controls the opening and closing of the weighing sensor 5, the solenoid valve 7, the drive motor 12 and the figure-eight belt trolley 2 respectively.

[0029] Working principle: Start the figure eight belt conveyor 2 to convey the material into the silo 1, control the drive motor 12 to start through the PLC controller 3, drive the transmission shaft 13 to rotate, thereby driving the connecting plate 14 and the circular material guide plate 9 to rotate, so that the material conveyed by the figure eight belt conveyor 2 can be evenly distributed on the circular material guide plate 9, thereby preventing the material from falling on only one position on the top surface of the circular material guide plate 9 and piling up too high. When the circular material guide plate 9 rotates, it will drive the material on it to rotate. At this time, the moving material contacts the inclined stirring rod 17 whose position remains unchanged, so that the inclined stirring rod 17 has a certain A certain stirring effect is achieved to ensure that the material enters the circular opening 10, and the material falls to the middle of the bottom surface of the inner cavity of the supporting cylinder 4, ensuring that the supporting cylinder 4 can fully receive the material. The weight of the material in the supporting cylinder 4 is monitored in real time through three sets of weighing sensors 5. The sum of the values ​​of the three sets of weighing sensors 5 is the weight of the material. After the weight of the material reaches the preset value, the weighing sensor 5 transmits the data to the PLC controller 3. The PLC controller 3 receives the data and controls the drive motor 12 and the figure eight belt conveyor 2 to close and the solenoid valve 7 to open, so that the material in the supporting cylinder 4 is discharged from the discharge pipe 6 and the discharge port 8, thereby achieving the effect of automatic material distribution.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A material distribution device for ferrosilicon water casting, comprising a material bin (1) and an eight-shaped belt car (2), characterized in that: The figure eight belt conveyor (2) is arranged on the left side above the silo (1); a weighing mechanism is arranged on the bottom surface of the inner cavity of the silo (1); a material guiding mechanism is arranged above the weighing mechanism; and a PLC controller (3) is arranged on the right side of the silo (1); The weighing mechanism comprises a bearing cylinder (4), a weighing sensor (5), a discharge pipe (6), a solenoid valve (7) and a discharge port (8); the bearing cylinder (4) is arranged below the inner cavity of the silo (1), and a gap is left between the bottom surface of the bearing cylinder (4) and the silo (1); the weighing sensors (5) are connected to the bottom surface of the bearing cylinder (4) in a circular array, and the weighing sensors (5) are provided with three groups; the bottom surface of the weighing sensors (5) is connected to the silo (1); the discharge pipe (6) is connected to the middle of the bottom of the bearing cylinder (4); the solenoid valve (7) is arranged on the discharge pipe (6), and the solenoid valve (7) is at the bottom end of the bearing cylinder (4); the discharge port (8) is opened in the middle of the bottom of the silo (1), and the discharge pipe (6) is above the discharge port (8); The material guide mechanism comprises a circular material guide plate (9), a circular opening (10), an assembly plate (11), a driving motor (12), a transmission shaft (13) and a connecting plate (14); the circular material guide plate (9) is arranged above the bearing tube (4), and a gap is left between the bottom surface of the circular material guide plate (9) and the bearing tube (4); the outer wall of the circular material guide plate (9) is connected to the material bin (1); the assembly plate (11) is fixedly connected to the upper end of the material bin (1) by means of positioning bolts; the circular opening (10) is opened on the circular material guide plate (9) ) at the middle of the lower end, the driving motor (12) is fixedly connected to the middle of the upper end of the assembly plate (11) by means of positioning bolts, the top end of the transmission shaft (13) is connected to the output end of the driving motor (12), the bottom end of the transmission shaft (13) passes through the assembly plate (11) and is arranged in the circular opening (10), the connecting plate (14) is connected to the bottom end of the outer wall of the transmission shaft (13) in a circular array, the connecting plate (14) is provided with four groups, and the end of the connecting plate (14) away from the transmission shaft (13) is connected to the circular material guide plate (9).

2. A material distribution device for ferrosilicon water pouring according to claim 1, characterized in that: The outer wall of the transmission shaft (13) is sleeved with a circular tube (15), and the circular tube (15) is rotatably connected to the transmission shaft (13) via a bearing. The outer wall of the circular tube (15) is symmetrically connected to a transverse rod (16), and one end of the transverse rod (16) away from the circular tube (15) is connected to the silo (1).

3. A material distribution device for ferrosilicon water pouring according to claim 2, characterized in that: The bottom end of the circular tube (15) is symmetrically connected to an inclined stirring rod (17), and the bottom end of the inclined stirring rod (17) is provided with a spherical convex head, and a gap is left between the spherical convex head and the circular material guide plate (9).

4. A material distribution device for ferrosilicon water pouring according to claim 1, characterized in that: The top surface of the circular material guide plate (9) is configured as a curved surface structure that is inclined from the edge toward the circular opening (10).

5. A material distribution device for ferrosilicon water pouring according to claim 1, characterized in that: The bottom surface of the inner cavity of the supporting tube (4) is configured as a curved surface structure that is inclined from the edge toward the discharge pipe (6).

6. A material distribution device for ferrosilicon water pouring according to claim 1, characterized in that: The PLC controller (3) is electrically connected to the weighing sensor (5), the solenoid valve (7), the drive motor (12) and the figure eight belt conveyor (2) respectively.

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