Automatic sand filling device for ladle nozzle

Abstract

The utility model relates to an automatic sand filling device for a steel ladle nozzle, relates to the technical field of steel ladle sand filling, and aims to solve the problems of low manual sand filling efficiency and high labor intensity. The automatic sand filling device comprises a rack, a weighing device for weighing sand is arranged on one side of the rack, a sand filling cylinder is arranged on the rack, and a drainage mechanism is arranged between the weighing device and the sand filling cylinder; the bottom of the sand filling cylinder is communicated with a sand filling pipe, a conveying mechanism used for conveying sand is arranged on the machine frame, a steel ladle is arranged below the machine frame and right faces an outlet of the sand filling pipe, and a positioning calibration mechanism used for positioning the sand filling pipe and the steel ladle is further arranged on the machine frame. The sand filling device has the effects of reducing the labor intensity and improving the sand filling speed and efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of ladle sand filling, and in particular to an automatic sand filling device for a ladle water inlet. Background Art

[0002] In the steel smelting industry, sand filling at the ladle inlet is a crucial process link; the ladle inlet is the key part connecting the ladle and the casting equipment, and a certain amount of drainage sand needs to be filled inside to ensure that the molten steel can flow out smoothly and control the flow rate. The traditional ladle sand filling process plays an important role in ensuring the continuity and stability of steel smelting.

[0003] In the related technology, the traditional method of artificial sand filling has many shortcomings; due to the low efficiency of artificial sand filling, high labor intensity, and poor working environment, especially in high temperature environment, workers need to work for a long time, there are great safety hazards, and it cannot meet the high efficiency and high pace requirements of modern steel smelting production. Utility Model Content

[0004] In order to solve the problems of low efficiency and high labor intensity of manual sand filling, the present application provides an automatic sand filling device for a ladle nozzle.

[0005] The present application provides an automatic sand filling device for a ladle nozzle, which adopts the following technical solution:

[0006] An automatic sand filling device for a ladle nozzle comprises a frame, a weighing device for weighing sand is arranged on one side of the frame, a sand filling cylinder is arranged on the frame, a drainage mechanism is arranged between the weighing device and the sand filling cylinder, a sand filling pipe is connected to the bottom of the sand filling cylinder, a transmission mechanism for conveying sand is arranged on the frame, a ladle is arranged below the frame, the ladle is directly opposite to the outlet of the sand filling pipe, and a positioning and calibration mechanism for positioning the sand filling pipe and the ladle is also arranged on the frame.

[0007] Due to the low efficiency, high labor intensity and poor working environment of manual sand filling, especially in high temperature environment, workers need to work for a long time, there are great safety hazards, and it is impossible to meet the high efficiency and high pace requirements of modern steel smelting production; by adopting the above technical scheme, including a frame, a sand filling cylinder is installed on the frame, a weighing device is installed on one side of the frame, and a drainage mechanism is installed between the weighing device and the sand filling cylinder; when sand filling is required, the ladle is placed at a designated position under the frame, the ladle water inlet is directly opposite to the outlet of the sand filling pipe, the sand is poured into the weighing device, and the weighing device begins to monitor and control the weight of the sand in real time. When the sand reaches the preset sand filling amount, the drainage mechanism starts The sand material in the weighing device is guided into the sand filling cylinder, and the transmission mechanism is started to transport the sand from the sand filling cylinder to the ladle through the sand filling pipe. At the same time, the positioning and calibration mechanism monitors the positional relationship between the sand filling pipe and the ladle water inlet in real time to ensure that the sand filling pipe can be accurately aligned with the ladle water inlet. Through the settings of the sand filling cylinder, sand filling pipe, drainage mechanism and transmission mechanism, automatic control realizes automatic weighing, drainage, transmission and sand filling of the sand material, reduces labor intensity, improves the working environment, greatly improves the speed and efficiency of sand filling, reduces manual operation, reduces the risk of safety accidents caused by human factors, and meets the needs of modern steel smelting production for high efficiency and high rhythm.

[0008] Optionally, two weighing rollers for supporting and transporting abrasive materials are arranged in the weighing device, and both weighing rollers are rotatably connected in the weighing device.

[0009] By adopting the above technical scheme, two weighing rollers are rotatably installed in the weighing device; through the setting of the two weighing rollers, the sand can be supported and transmitted, ensuring that the sand is stably transmitted in the weighing device, while reducing the loss and leakage of the sand during the transmission process, and at the same time transmitting the weight information of the sand to the weighing device in real time, ensuring the accuracy and efficiency of sand filling.

[0010] Optionally, a baker is provided at the bottom of the weighing device, the weighing device is connected to the baker, a heating coil for heating is provided in the baker, and the drainage mechanism is arranged between the baker and the sand filling cylinder.

[0011] By adopting the above technical solution, the roaster is connected to the bottom of the weighing device, and the heating coil is installed in the roaster; through the arrangement of the roaster and the heating coil, the moisture in the sand can be effectively removed, which is beneficial to the subsequent sand filling operation, reduces the agglomeration phenomenon that may occur in the sand during storage or transportation, and can more smoothly enter the ladle through the drainage mechanism and the sand filling pipe, thereby improving the speed of sand filling and ensuring the uniformity and accuracy of sand filling.

[0012] Optionally, the drainage mechanism includes two drainage tubes and a drainage sleeve, the two drainage tubes are respectively threadedly connected in the drainage sleeve, and the two drainage tubes are connected to the interior of the drainage sleeve. One end of the drainage tube away from the drainage sleeve is connected to the roaster, and the other end of the drainage tube away from the drainage sleeve is connected to the sand filling cylinder. A screw conveyor for draining sand is commonly provided in the two drainage tubes.

[0013] By adopting the above technical solution, the drainage mechanism includes two drainage pipes and a drainage sleeve; when the baked sand needs to be transported to the sand filling cylinder, the screw conveyor is started. The screw conveyor is a mechanical device for transporting bulk materials (such as sand). The material is transported from one end to the other end by rotating spiral blades. The baked sand is sucked in from this end by the screw conveyor, and then the sand is pushed into the sand filling cylinder; through the arrangement of the drainage pipe, the drainage sleeve and the screw conveyor, it is ensured that the sand can be transported from the baker to the sand filling cylinder quickly and stably, which greatly improves the production efficiency and continuity. At the same time, the drainage pipe can be extended and retracted through the drainage sleeve to adapt to different distances, thereby improving the adaptability of the equipment.

[0014] Optionally, the positioning and calibration mechanism includes a bracket and a positioner, the bracket is connected to the sand filling tube, the positioner is arranged on the bracket, and the positioner is arranged toward the direction of the sand filling tube.

[0015] By adopting the above technical solution, the positioning and calibration mechanism includes a bracket and a positioner; through the setting of the bracket and the positioner, it can ensure that the sand filling pipe and the ladle are accurately positioned during the sand filling process, reducing the safety hazards caused by sand leakage or overflow.

[0016] Optionally, a conical nozzle for guiding the flow of sand is provided at the outlet of the sand filling pipe, and the conical nozzle is arranged toward the ladle.

[0017] By adopting the above technical solution, a conical nozzle is integrally formed at the outlet of the sand filling pipe; through the setting of the conical nozzle, the direction of sand flow can be guided to ensure that the sand can be accurately poured into the target position, thereby improving the sand filling efficiency.

[0018] Optionally, the transmission mechanism includes a transmission screw, a driving pulley, a driven pulley, a transmission belt and a servo motor. The transmission screw is rotatably arranged in the sand filling barrel, the transmission screw extends into the sand filling tube, the servo motor is connected to the frame, the driving pulley is connected to the output end of the servo motor, the driven pulley is connected to the transmission screw, and both ends of the transmission belt are respectively tensioned on the driving pulley and the driven pulley.

[0019] By adopting the above technical scheme, the transmission mechanism includes a transmission screw, a driving pulley, a driven pulley, a transmission belt and a servo motor; when the servo motor is working, the servo motor rotates, the driving pulley rotates accordingly, the transmission belt drives the driven pulley to rotate together, the transmission screw also starts to rotate, and the sand is gradually pushed to the sand filling pipe, and finally ejected through the conical nozzle at the outlet of the sand filling pipe; through the setting of the transmission mechanism, efficient transmission is achieved, ensuring that the sand is effectively pushed to the sand filling pipe in the sand filling barrel, thereby improving the sand filling efficiency.

[0020] Optionally, a support member for supporting the rotation of the transmission screw is provided on the top of the sand filling cylinder, and the support member is connected to the sand filling cylinder.

[0021] By adopting the above technical solution, the support member is installed on the top of the sand filling barrel; through the setting of the support member, the stability of the transmission screw during the rotation process is ensured, and its stability is directly related to the transmission efficiency of the sand material and the safety of the equipment. It can effectively prevent the transmission screw from shaking or deflecting during the rotation process, and ensure its stable operation.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] Through the settings of sand filling cylinder, sand filling pipe, drainage mechanism and transmission mechanism, automatic control can realize automatic weighing, drainage, transmission and sand filling of sand materials, reduce labor intensity, improve working environment, greatly improve the speed and efficiency of sand filling, reduce manual operation, reduce the risk of safety accidents caused by human factors, and meet the needs of modern steel smelting production for high efficiency and high rhythm;

[0024] The two weighing rollers can support and transport the sand, ensuring that the sand is stably transported in the weighing device, while reducing the loss and leakage of the sand during the transport process. At the same time, the weight information of the sand is transmitted to the weighing device in real time, ensuring the accuracy and efficiency of sand filling.

[0025] The arrangement of the drainage tube, drainage sleeve and screw conveyor ensures that the sand can be quickly and stably transported from the roaster to the sand filling cylinder, greatly improving production efficiency and continuity. At the same time, the drainage tube can be extended and retracted through the drainage sleeve to adapt to different distances, thereby improving the adaptability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of an automatic sand filling device for a ladle nozzle in an embodiment of the present application.

[0027] Figure 2 It is a front view of an automatic sand filling device for a ladle nozzle in an embodiment of the present application.

[0028] Explanation of the reference numerals: 1. frame; 2. weighing machine; 21. weighing roller; 3. sand filling cylinder; 4. drainage mechanism; 41. drainage pipe; 42. drainage sleeve; 5. sand filling pipe; 51. conical nozzle; 6. transmission mechanism; 61. transmission screw; 62. driving pulley; 63. driven pulley; 64. transmission belt; 65. servo motor; 7. ladle; 8. positioning and calibration mechanism; 81. bracket; 82. positioner; 9. roaster; 91. heating coil; 10. screw conveyor; 11. support. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-2 This application is described in further detail.

[0030] The present application embodiment discloses an automatic sand filling device for a ladle nozzle. Figure 1 The automatic sand filling device for the ladle water inlet comprises a frame 1, which is made of welded steel structure. A sand filling cylinder 3 is installed on the frame 1, and the bottom of the sand filling cylinder 3 is connected with a sand filling pipe 5. A ladle 7 is installed below the frame 1, and the water inlet of the ladle 7 is just opposite to the outlet of the sand filling pipe 5. A transmission mechanism 6 for conveying sand is installed on the frame 1.

[0031] Reference Figure 1 The outlet end of the sand filling pipe 5 is integrally formed with a conical nozzle 51. In this embodiment, the conical nozzle 51 is arranged toward the water inlet of the ladle 7 to guide the flow direction of the sand material, ensure that the sand material can be accurately poured into the target position, and improve the sand filling efficiency.

[0032] Reference Figure 1 A weighing device 2 is installed on one side of the frame 1. The weighing device 2 is used to monitor and control the conveying amount of sand in real time to ensure that the amount of sand filled each time meets the preset requirements. Two weighing rollers 21 are rotatably installed in the weighing device 2. The two weighing rollers 21 rotate in the weighing device 2 through bearings. The two weighing rollers 21 are arranged relatively to each other. The weighing rollers 21 can support and transmit the sand to ensure that the sand is stably transmitted in the weighing device 2, while reducing the loss and leakage of the sand during the transmission process. At the same time, the weight information of the sand is transmitted to the weighing device 2 in real time to ensure the accuracy and efficiency of sand filling.

[0033] Reference Figure 1 A roaster 9 is connected to the bottom of the weigher 2, and a heating coil 91 is installed in the roaster 9. In this embodiment, the heating coil 91 has a corresponding heating source to effectively remove moisture from the sand material, which is beneficial to the subsequent sand filling operation and reduces the agglomeration phenomenon that may occur in the sand material during storage or transportation. It can enter the ladle 7 more smoothly through the drainage mechanism 4 and the sand filling pipe 5, thereby improving the speed of sand filling and ensuring the uniformity and accuracy of sand filling.

[0034] Reference Figure 1 and Figure 2 A drainage mechanism 4 is provided between the roaster 9 and the sand filling cylinder 3. The drainage mechanism 4 includes two drainage pipes 41 and a drainage sleeve 42. The two drainage pipes 41 are respectively threadedly connected in the drainage sleeve 42. The two drainage pipes 41 are both connected to the inside of the drainage sleeve 42. One end of the drainage pipe 41 away from the drainage sleeve 42 is connected to the roaster 9, and the other end of the drainage pipe 41 away from the drainage sleeve 42 is connected to the sand filling cylinder 3. A screw conveyor 10 is installed in the two drainage pipes 41. In this embodiment, the screw conveyor 10 is a mechanical device for conveying bulk materials (such as sand); it is used to ensure that the sand can be quickly and stably conveyed from the roaster 9 to the sand filling cylinder 3, which greatly improves the production efficiency and continuity. At the same time, the drainage pipe 41 can be retracted through the drainage sleeve 42 to adapt to different distances, thereby improving the adaptability of the equipment.

[0035] Reference Figure 1 and Figure 2 The transmission mechanism 6 includes a transmission screw 61, a driving pulley 62, a driven pulley 63, a transmission belt 64 and a servo motor 65. A support 11 is installed on the top of the sand filling cylinder 3. The transmission screw 61 is rotatably installed on the support 11. The transmission screw 61 extends from the sand filling cylinder 3 to the sand filling tube 5. The servo motor 65 is installed on the frame 1. In this embodiment, the servo motor 65 can realize forward and reverse rotation. The driving pulley 62 is installed and fixed on the output end of the servo motor 65, and the driven pulley 63 is installed and fixed on the transmission screw 61. The two ends of the transmission belt 64 are respectively tensioned on the driving pulley 62 and the driven pulley 63. In this embodiment, a controller for controlling the operation of the servo motor 65 is arranged on one side of the frame 1.

[0036] Reference Figure 1 and Figure 2 When the servo motor 65 is working, the servo motor 65 rotates, the driving pulley 62 rotates accordingly, the transmission belt 64 drives the driven pulley 63 to rotate together, and the transmission screw 61 also starts to rotate, and the sand is gradually pushed to the sand filling pipe 5, and finally ejected through the conical nozzle 51 at the outlet of the sand filling pipe 5, so as to achieve efficient transmission and ensure that the sand is effectively pushed to the sand filling pipe 5 in the sand filling cylinder 3, thereby improving the sand filling efficiency.

[0037] Reference Figure 1 and Figure 2 A positioning and calibration mechanism 8 is installed on the sand filling tube 3, and the positioning and calibration mechanism 8 includes a bracket 81 and a positioner 82. The bracket 81 is installed on the top of the sand filling tube 3, and the positioner 82 is installed on the bracket 81. In this embodiment, the positioner 82 can be positioned by laser, and the positioner 82 is arranged toward the sand filling tube 5 to ensure that the sand filling tube 5 and the ladle 7 are accurately positioned during the sand filling process, thereby reducing the safety hazards caused by leakage or overflow of sand.

[0038] The implementation principle of the automatic sand filling device for the ladle 7 water inlet of the present application is as follows: when sand filling is required, the ladle 7 is placed at a designated position below the frame 1, the ladle 7 water inlet is directly opposite to the outlet of the sand filling pipe 5, the sand is poured into the weighing device 2, the weighing device 2 starts to monitor and control the weight of the sand in real time, when the sand reaches a preset sand filling amount, the sand enters the roaster 9, the heating coil 91 dries the sand to remove moisture, the drainage mechanism 4 starts to work, and guides the sand in the roaster 9 to the sand filling cylinder 3, and at the same time the transmission mechanism 6 is started to transfer the sand from the sand filling cylinder 3 through the sand filling tube 5. The sand pipe 5 is transported to the ladle 7, and the positioning and calibration mechanism 8 will monitor the positional relationship between the sand filling pipe 5 and the water inlet of the ladle 7 in real time to ensure that the sand filling pipe 5 can be accurately aligned with the water inlet of the ladle 7; through the settings of the sand filling cylinder 3, the sand filling pipe 5, the drainage mechanism 4 and the transmission mechanism 6, automatic control realizes automatic weighing, drainage, transmission and sand filling of the sand material, reduces labor intensity, improves the working environment, greatly improves the speed and efficiency of sand filling, reduces manual operation, reduces the risk of safety accidents caused by human factors, and meets the needs of modern steel smelting production for high efficiency and high rhythm.

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic sand filling device for a ladle nozzle, characterized in that: The invention comprises a frame (1), a weighing device (2) for weighing sand is arranged on one side of the frame (1), a sand filling tube (3) is arranged on the frame (1), a drainage mechanism (4) is arranged between the weighing device (2) and the sand filling tube (3), a sand filling pipe (5) is connected to the bottom of the sand filling tube (3), a transmission mechanism (6) for conveying sand is arranged on the frame (1), a steel ladle (7) is arranged below the frame (1), the steel ladle (7) is directly opposite to the outlet of the sand filling tube (5), and a positioning calibration mechanism (8) for positioning the sand filling tube (5) and the steel ladle (7) is also arranged on the frame (1).

2. The automatic sand filling device for ladle nozzle according to claim 1, characterized in that: Two weighing rollers (21) for supporting and transporting sand materials are arranged in the weighing device (2), and both weighing rollers (21) are rotatably connected in the weighing device (2).

3. The automatic sand filling device for ladle nozzle according to claim 2 is characterized in that: A roaster (9) is provided at the bottom of the weighing device (2), the weighing device (2) is connected to the roaster (9), a heating coil (91) for heating is provided in the roaster (9), and the drainage mechanism (4) is arranged between the roaster (9) and the sand filling cylinder (3).

4. The automatic sand filling device for ladle nozzle according to claim 3 is characterized in that: The drainage mechanism (4) comprises two drainage tubes (41) and a drainage sleeve (42). The two drainage tubes (41) are respectively threadedly connected in the drainage sleeve (42). The two drainage tubes (41) are both connected to the interior of the drainage sleeve (42). One end of one drainage tube (41) away from the drainage sleeve (42) is connected to the roaster (9), and the other end of the other drainage tube (41) away from the drainage sleeve (42) is connected to the sand filling cylinder (3). A screw conveyor (10) for draining sand is commonly provided in the two drainage tubes (41).

5. The automatic sand filling device for ladle nozzle according to claim 1, characterized in that: The positioning and calibration mechanism (8) comprises a bracket (81) and a positioner (82), wherein the bracket (81) is connected to the sand filling tube (3), and the positioner (82) is arranged on the bracket (81), and the positioner (82) is arranged toward the sand filling tube (5).

6. The automatic sand filling device for ladle nozzle according to claim 5, characterized in that: A conical nozzle (51) for guiding the flow of sand is arranged at the outlet of the sand filling pipe (5), and the conical nozzle (51) is arranged towards the ladle (7).

7. The automatic sand filling device for ladle nozzle according to claim 1, characterized in that: The transmission mechanism (6) comprises a transmission screw (61), a driving pulley (62), a driven pulley (63), a transmission belt (64) and a servo motor (65); the transmission screw (61) is rotatably arranged in the sand filling cylinder (3); the transmission screw (61) extends into the sand filling pipe (5); the servo motor (65) is connected to the frame (1); the driving pulley (62) is connected to the output end of the servo motor (65); the driven pulley (63) is connected to the transmission screw (61); and the two ends of the transmission belt (64) are respectively tensioned on the driving pulley (62) and the driven pulley (63).

8. The automatic sand filling device for ladle nozzle according to claim 7, characterized in that: A support member (11) for supporting the rotation of a transmission screw (61) is arranged at the top of the sand filling cylinder (3); the support member (11) is connected to the sand filling cylinder (3).

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