Fan-shaped ladle rotating device and cast iron pouring system

Abstract

The invention relates to the technical field of casting equipment, in particular to a fan-shaped ladle rotating device and a cast iron pouring system.The fan-shaped ladle rotating device comprises a servo motor fixedly arranged on a support mechanism and used for outputting rotating driving force; the speed reducer is arranged at the output end of the servo motor and used for reducing the output rotating speed and increasing the torque; the coupler is connected to the output end of the speed reducer and used for transmitting torque and compensating relative displacement between shaft systems; the transmission shaft is rotatably arranged on the support mechanism and is connected with the speed reducer through a coupler; and the fan-shaped ladle main body is fixedly mounted on the transmission shaft and used for storing molten iron and rotating around the central axis of the transmission shaft under the driving of the transmission shaft to enable the molten iron to flow out. According to the scheme, efficient, stable and accurate control over the rotating process of the fan-shaped ladle is achieved, and therefore the uniformity of molten iron pouring and the product quality are improved.

Description

Technical Field

[0001] The invention relates to the technical field of casting equipment, in particular to a fan-shaped ladle rotating device and a cast iron pouring system. Background Art

[0002] In current cast iron casting processes, sector-shaped ladle rotation devices are critical for achieving high-quality castings. Traditionally, such devices utilize a mechanical transmission system consisting of sprockets, racks, hydraulic cylinders, and constant velocity plates to flip or rotate the sector-shaped ladle. However, this design often results in an extremely complex system structure involving numerous transmission components. This complexity not only drives up equipment costs but also significantly increases maintenance difficulties and leads to increased failure rates.

[0003] Furthermore, due to the numerous transmission components involved, such devices suffer from low space efficiency, which is particularly pronounced in production workshops with limited space and limits the flexibility of their layout. Furthermore, some existing devices exhibit poor transmission accuracy. Factors such as gear and chain wear and installation errors can lead to reduced transmission accuracy, which in turn affects the stability of the fan-shaped ladle's rotational speed, ultimately negatively impacting the uniformity of molten iron outflow and casting quality. Certain devices that rely on hydraulic or mechanical drives also have significant limitations in speed control. For example, precise speed control is difficult to achieve under varying oil temperatures and load conditions, posing a challenge to the stability and consistency of the casting process. Summary of the Invention

[0004] The present invention provides a fan-shaped ladle rotating device and a cast iron pouring system, which are used to solve the problems of complex structure, difficult maintenance, high failure rate, low space utilization, poor transmission accuracy and unstable speed control caused by the use of complex mechanical transmission structure in the prior art, and realize efficient, stable and precise control of the fan-shaped ladle rotation process, thereby improving the uniformity of molten iron pouring and product quality.

[0005] The present invention provides a fan-shaped bag rotating device, comprising: a servo motor, fixedly arranged on a support mechanism, for outputting a rotational driving force; a reducer, arranged at the output end of the servo motor, for reducing the output speed and increasing the torque; a coupling, connected to the output end of the reducer, for transmitting torque and compensating for the relative displacement between shaft systems; a transmission shaft, rotatably arranged on the support mechanism, and connected to the reducer through the coupling; a fan-shaped bag main body, fixedly installed on the transmission shaft, for storing molten iron and rotating around the central axis of the transmission shaft under the drive of the transmission shaft to make the molten iron flow out.

[0006] According to one embodiment of the present invention, the coupling comprises a flexible structure for absorbing vibration and radial / axial displacement during transmission.

[0007] According to one embodiment of the present invention, the coupling includes a first connecting part and a second connecting part; the flexible structure includes an elastic element arranged between the first connecting part and the second connecting part; the elastic element is used to allow the first connecting part and the second connecting part to move or rotate relative to each other when the interaction force between the first connecting part and the second connecting part exceeds a preset threshold.

[0008] According to one embodiment of the present invention, the fan-shaped bag body includes a sleeve shaft portion sleeved on the transmission shaft; the transmission shaft and the sleeve shaft portion are circumferentially fixed by a flat key, a spline or an interference fit.

[0009] According to one embodiment of the present invention, reinforcement structures are respectively provided on both sides of the outlet structure of the fan-shaped bag body; the reinforcement structures include any one or more of welded ribs, integrally formed ribs or external support frames.

[0010] According to one embodiment of the present invention, the support mechanism includes: a motor fixed support, which is connected to the work surface through a shock-absorbing pad; a motor side bearing seat and a positioning bearing seat, which are symmetrically installed on the work surface, and the two ends of the transmission shaft are respectively installed in the motor side bearing seat and the positioning bearing seat through bearings.

[0011] According to one embodiment of the present invention, an axial positioning component is provided between the sleeve shaft portion of the fan-shaped bag body and the motor side bearing seat and the positioning bearing seat; the axial positioning component includes any one or more of a sleeve, a retaining ring or a locking nut.

[0012] According to one embodiment of the present invention, a control system is further included, which includes: a controller electrically connected to the servo motor, used to receive operating instructions and adjust the output speed of the servo motor; a speed feedback module, used to monitor the rotational angular velocity of the fan-shaped bag body in real time and send a feedback signal to the controller.

[0013] According to one embodiment of the present invention, the controller is configured to: identify the molten iron flow demand from the superior control instruction; and dynamically adjust the output speed of the servo motor according to the molten iron flow demand.

[0014] The present invention also provides a cast iron pouring system, comprising the fan-shaped package rotating device of the above embodiment.

[0015] The fan-shaped ladle rotation device and cast iron pouring system provided by the present invention utilize a servo motor as the drive source, combined with a transmission structure comprising a reducer, coupling, and drive shaft. This simplifies the overall transmission system and reduces the use of traditional multi-stage transmission components. The servo motor features fast response and high control precision, and when used in conjunction with the reducer, it can achieve high torque output, ensuring smooth transmission. The coupling transmits torque while compensating for relative displacement between the shafts (which may include axial, radial, and angular displacement between the two shafts) caused by installation errors, improving the system's adaptability and stability. The drive shaft directly drives the fan-shaped ladle body to rotate about its central axis, ensuring uniform molten iron flow. This structure not only improves transmission efficiency and control precision, but also reduces equipment maintenance costs and space requirements, making it suitable for modern casting production environments with higher requirements for casting processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a structural schematic diagram of the fan-shaped bag rotating device provided by the present invention.

[0018] Reference numerals: 10. Servo motor; 11. Reducer; 12. Coupling; 121. First connecting part; 122. Second connecting part; 13. Motor fixing support; 14. Motor side bearing seat; 15. Positioning bearing seat; 20. Drive shaft; 21. Axial positioning assembly; 30. Fan-shaped package body; 31. Sleeve shaft; 32. Reinforcement structure. DETAILED DESCRIPTION

[0019] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0020] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present invention. In addition, the terms "first", "second" and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. It should also be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "set", "install" and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0021] This invention aims to design a fan-shaped ladle rotating device for cast iron casting to address the uneven flow of molten iron during traditional casting processes. By achieving constant rotation of the fan-shaped ladle, molten iron flows at a constant rate during the casting process, thereby improving the controllability and uniformity of the molten iron flow during the casting process. This technology helps improve the quality of cast iron products, providing more efficient and stable technical support for modern casting processes, and meeting the growing demand for high-precision, high-quality castings in current industrial production.

[0022] To achieve the above objectives, the present invention provides a structurally optimized fan-shaped package rotation device. This device utilizes a servo motor as the driving source, directly driving the fan-shaped package through a coupling, eliminating the complex motion conversion mechanisms typically found in traditional mechanical transmissions, such as sprockets, racks, or hydraulic cylinders. By precisely controlling the servo motor's rotational speed, the fan-shaped package's rotational speed can be accurately adjusted, ensuring uniform pouring of molten iron. This design not only simplifies the overall structure and improves space efficiency, but also effectively reduces equipment failure rates and maintenance costs.

[0023] The following combination Figure 1 The specific embodiment of the fan-shaped bag rotating device of the present invention is described.

[0024] The present invention provides a fan-shaped bag rotating device, comprising: a servo motor 10, fixedly arranged on a support mechanism, for outputting a rotational driving force; a reducer 11, arranged at the output end of the servo motor 10, for reducing the output speed and increasing the torque; a coupling 12, connected to the output end of the reducer 11, for transmitting torque and compensating for the relative displacement between the shaft systems (which may include axial, radial and angular displacement between the two shafts, etc.); a transmission shaft 20, rotatably arranged on the support mechanism, and connected to the reducer 11 through the coupling 12; a fan-shaped bag main body 30, fixedly mounted on the transmission shaft 20, for storing molten iron and rotating around the central axis of the transmission shaft 20 under the drive of the transmission shaft 20, so that the molten iron flows out.

[0025] Specifically, the present invention utilizes a servo motor 10 as the driving source, combined with a transmission system consisting of a reducer 11, a coupling 12, and a drive shaft 20, to achieve high-precision control of the fan-shaped package's rotational speed. The servo motor 10 is fixedly mounted on a support mechanism and can precisely adjust its output speed and torque based on electrical signals input from the control system, thereby achieving closed-loop control of the entire rotating device. The power output of the servo motor 10 is decelerated and torque-increased by the reducer 11 to meet the low speed and high torque requirements of the fan-shaped package under actual operating conditions.

[0026] The output end of the reducer 11 is connected to the drive shaft 20 via a coupling 12. While transmitting power, the coupling 12 effectively compensates for axial, radial, and angular displacement between the servo motor 10 and the drive shaft 20 caused by installation errors or operational deviations, providing a buffering and noise reduction effect, thereby improving the system's operational smoothness and reliability. The drive shaft 20 is rotatably mounted on a support mechanism and fixedly connected to the fan-shaped package body 30. When power is transmitted to the drive shaft 20 via the reducer 11 and coupling 12, the fan-shaped package rotates about its own central axis.

[0027] The fan-shaped ladle is a key component used to store and control the flow of molten iron during the cast iron casting process. The uniformity of its rotational speed directly affects the stability of the molten iron outflow. In traditional technologies, the use of complex transmission structures such as sprockets, racks or hydraulic cylinders not only increases the failure rate of the equipment, but also makes it difficult to achieve precise control of the rotational speed. The present invention avoids the conversion process between linear motion and rotational motion by simplifying the transmission path and adopting a direct drive method of the servo motor 10, significantly improving the response speed and control accuracy of the system. In addition, the high-precision characteristics of the servo motor 10 enable the fan-shaped ladle to maintain a constant rotational speed under various load conditions, effectively avoiding speed fluctuations caused by factors such as mechanical wear and installation errors, thereby ensuring that the molten iron flows out uniformly at a stable speed during the casting process, improving the quality and yield of the castings. The overall structure of the device is compact and the space utilization rate is high. It is suitable for the needs of modern foundries for efficient and high-precision casting processes and has good application prospects and promotion value.

[0028] Preferably, according to a fan-shaped package rotation device of the present invention, the coupling 12 includes a flexible structure for absorbing vibration and radial / axial displacement during the transmission process. Specifically, the coupling 12 can adopt a flexible element with elasticity, such as an elastic pin, a diaphragm, or a rubber gasket, which can effectively compensate for axial, radial, and angular deviations between the output shaft of the servo motor 10 and the input shaft of the reducer 11 caused by installation errors, thermal expansion, or vibration during operation while transmitting torque. This structure not only improves the adaptability and operational smoothness of the transmission system, but also reduces mechanical impact and wear caused by misalignment, thereby extending the service life of the transmission components.

[0029] Furthermore, the flexible coupling 12 not only absorbs vibration but also reduces system noise, improving the operational stability of the entire fan-shaped package rotating device. Particularly during startup, shutdown, or speed changes, the flexible structure acts as a buffer, reducing the impact load on the reducer 11 and servo motor 10, preventing overload damage and further improving the safety and reliability of equipment operation. By providing a coupling 12 with a flexible structure, the present invention improves the system's anti-interference capability and maintenance cycle while ensuring high-precision transmission, making it suitable for continuous, high-intensity casting production environments.

[0030] Furthermore, according to a fan-shaped package rotation device of the present invention, the coupling 12 includes a first connection portion 121 and a second connection portion 122; the flexible structure includes an elastic element disposed between the first connection portion 121 and the second connection portion 122; the elastic element is configured to allow relative movement or rotation between the first connection portion 121 and the second connection portion 122 when the interaction force between the first connection portion 121 and the second connection portion 122 exceeds a preset threshold. Specifically, the first connection portion 121 and the second connection portion 122 are respectively configured to connect the transmission connection structures on either side, for example, the first connection portion 121 connects to the output shaft of the reducer 11, and the second connection portion 122 connects to one end of the transmission shaft 20. The first connection portion 121 and the second connection portion 122 are preferably connected by an intermediate elastic element, forming a single integral structure. This design allows for a certain amount of relative movement or rotation between the first connection portion 121 and the second connection portion 122, particularly when the interaction force exceeds a preset threshold, allowing the elastic element to provide a buffering and compensating effect.

[0031] During system operation, if the system encounters additional stresses due to startup shock, sudden load changes, or installation errors, the elastic element allows for moderate relative displacement between the first connection portion 121 and the second connection portion 122 without disrupting power transmission. For example, in the face of radial, axial, or angular misalignment, the elastic element absorbs the mechanical stress caused by this misalignment, preventing it from being directly applied to the servo motor 10 or drive shaft 20, reducing the risk of wear on these critical components and lowering the noise level caused by vibration.

[0032] Furthermore, the design of the elastic element takes operational stability into account: relative movement or rotation only occurs when the interaction force exceeds a preset threshold, ensuring efficient and accurate power transmission under normal operating conditions. Furthermore, an overload protection function is provided to the system, preventing damage to the entire transmission system due to unexpected high loads. In this way, the present invention not only improves the overall reliability and durability of the sector-shaped ladle rotation device, but also ensures the stability and uniformity of the molten iron outflow process, providing a solid technical guarantee for the production of high-quality castings.

[0033] In a preferred embodiment, the specific structural relationship between the first connecting part 121, the second connecting part 122 and the elastic element may include: the first connecting part 121 and the second connecting part 122 are respectively provided with a groove or positioning hole for installing the elastic element, and the elastic element is embedded between the two and realizes a flexible connection in the axial, radial or circumferential direction. For example, the elastic element can be made of a rubber block, an elastic pin, a diaphragm spring or a bellows, etc., which has elasticity and wear resistance. One end of the elastic element is fixed in the mounting hole of the first connecting part 121, and the other end is movably inserted into the corresponding matching hole of the second connecting part 122, forming a flexible connection structure with a certain displacement compensation capability. In this structure, when the servo motor 10 drives the system to operate, power is transmitted from the first connecting part 121 to the second connecting part 122 through the elastic element. During this process, the elastic element can absorb vibration and impact from the transmission system and automatically perform displacement compensation in the event of slight eccentricity or misalignment. At the same time, the stiffness and pre-compression of the elastic element can be optimized according to the actual load conditions to ensure that under the premise of ensuring torque transmission efficiency, excessive relative displacement is effectively limited to prevent the system from becoming unstable or disengaging. In addition, in order to improve the overall strength and service life of the coupling 12, the first connecting part 121 and the second connecting part 122 are preferably made of metal materials, such as 45 steel or aluminum alloy, and the surface treatment such as phosphating or anodizing is performed on the contact parts with the elastic element to enhance wear resistance and fatigue resistance. This structural form not only achieves high-precision power transmission, but also enhances the adaptability and operational stability of the fan-shaped package rotating device under complex working conditions, further improving the reliability and safety of the entire system.

[0034] Preferably, according to a fan-shaped bag rotating device of the present invention, the fan-shaped bag main body 30 includes a sleeve shaft portion 31 sleeved on the transmission shaft 20; the transmission shaft 20 and the sleeve shaft portion 31 are circumferentially fixed by a flat key, spline or interference fit. Among them, the flat key connection realizes a simple and effective mechanical connection by machining keyways and flat keys on the transmission shaft 20 and the sleeve shaft portion 31, which is convenient for installation and disassembly and can provide good torque transmission capacity; the spline connection provides more contact surfaces, increases the torque transmission capacity and adapts to slight misalignment, and is suitable for high torque transmission and occasions requiring better centering; and the interference fit relies on precise dimensional control to generate interference between the shaft and the sleeve, without the need for additional key connectors, simplifying the structure and improving the overall rigidity and coaxiality, but requires special assembly processes such as hot or cold installation.

[0035] By selecting the appropriate connection method, the fan-shaped ladle can be effectively prevented from slipping or loosening during rotation, ensuring stable and uniform molten iron flow. This not only improves the quality of the pouring process, but also extends the equipment's service life and reduces maintenance costs. Furthermore, the selection of these connection methods must comprehensively consider specific operating conditions, cost factors, and maintenance requirements to achieve the optimal technical and economic benefits, ensuring that the entire fan-shaped ladle rotating device can meet the needs of modern foundry production while ensuring an efficient and stable pouring process.

[0036] To ensure the strength of the fan-shaped bag, a fan-shaped bag rotating device according to the present invention preferably includes reinforcement structures 32 on either side of the outlet structure of the fan-shaped bag body 30. Reinforcement structures 32 can include any one or more of welded ribs, integrally molded ribs, or an external support frame. Reinforcement structures 32 effectively enhance the rigidity of the fan-shaped bag outlet area, preventing deformation or cracking caused by molten iron impact, thermal stress concentration, or mechanical vibration.

[0037] Specifically, welded ribs are achieved by welding metal reinforcing plates or ribs on both sides of the outlet to improve local bending and torsional resistance. One-piece molded ribs are raised structures formed directly on the side walls of the fan-shaped package during the casting process, which not only enhances overall strength but also avoids weak connection points caused by subsequent processing. The external support frame provides external support to the outlet area through an additional metal frame, suitable for conditions with heavy impact loads or long-term continuous operation. These reinforcement methods can be flexibly selected according to actual needs. While ensuring the structural strength of the fan-shaped package, they also help extend the service life of the equipment, reduce maintenance frequency, and improve the operational stability and safety of the entire cast iron pouring system.

[0038] Preferably, according to a fan-shaped bag rotating device of the present invention, the support mechanism includes: a motor fixed support 13, which is connected to the work surface through a shock-absorbing pad; a motor side bearing seat 14 and a positioning bearing seat 15, which are symmetrically installed on the work surface, and both ends of the transmission shaft 20 are respectively installed in the motor side bearing seat 14 and the positioning bearing seat 15 through bearings. The support mechanism adopts a modular design, including a motor fixed support 13, a motor side bearing seat 14 and a positioning bearing seat 15. Among them, the motor fixed support 13 is flexibly connected to the work surface through a shock-absorbing pad, which can effectively absorb the vibration and impact force generated during the operation of the servo motor 10, and improve the overall stability and operation smoothness of the device. The servo motor 10 and its reducer 11 are installed on the motor fixed support 13 to form a stable power output unit.

[0039] The motor-side bearing seat 14 and the positioning bearing seat 15 are symmetrically arranged on the work surface, and the two ends of the transmission shaft 20 are respectively installed in these two bearing seats through high-precision bearings, so as to achieve reliable support and flexible rotation of the transmission shaft 20. The transmission shaft 20 is preferably fixedly connected to the fan-shaped package body 30 through a flat key, and the fan-shaped package is driven by the servo motor 10 to rotate synchronously, ensuring that its rotation during the molten iron pouring process is smooth, responsive, and precisely controlled. The entire device is firmly installed in the designated position of the foundry through the above-mentioned support mechanism. After the servo motor 10 is decelerated and torque-increased by the reducer 11, the power is transmitted to the transmission shaft 20 through the coupling 12, and finally drives the fan-shaped package to rotate at a uniform speed around the central axis, thereby achieving uniform outflow of molten iron.

[0040] Furthermore, according to a fan-shaped bag rotating device of the present invention, an axial positioning component 21 is provided between the sleeve shaft portion 31 of the fan-shaped bag main body 30 and the motor-side bearing seat 14 and the positioning bearing seat 15; the axial positioning component 21 includes any one or more of a sleeve, a retaining ring or a locking nut. Preferably, a spacing limiting effect is provided by providing sleeves on both sides of the sleeve shaft portion 31. The sleeve is sleeved on the drive shaft 20 and is located between the sleeve shaft portion 31 and the bearing seat, which can effectively form a spacing between the sleeve shaft portion 31 and the bearing seat, preventing direct contact between the two and reducing the risk of wear. At the same time, the sleeve also plays a limiting role, ensuring that the sleeve shaft portion 31 and the fan-shaped bag main body 30 connected thereto will not produce unnecessary movement due to the action of axial force during operation.

[0041] Furthermore, a retaining ring or locking nut can also function as an axial limiter similar to a sleeve. For example, a retaining ring can be inserted into an annular groove on the transmission shaft 20, thereby limiting the axial movement of the sleeve or sleeve shaft portion 31 in a certain direction. The locking nut can be threadedly secured to the end of the transmission shaft 20, applying a preload to secure the fan-shaped package body 30 and other related components, preventing them from loosening or shifting during operation.

[0042] Preferably, the fan-shaped package rotation device according to the present invention further includes a control system comprising: a controller electrically connected to the servo motor 10 for receiving operating instructions and adjusting the output speed of the servo motor 10; and a speed feedback module for monitoring the rotational angular velocity of the fan-shaped package body 30 in real time and sending feedback signals to the controller. The control system, centered around the controller, achieves closed-loop, precise control of the fan-shaped package's rotational speed through an electrical signal connection with the servo motor 10. During operation, an operator inputs the desired rotational parameters through a human-machine interface. The controller then issues start, speed adjustment, or stop commands to the servo motor 10 based on the set values, driving the transmission system to rotate the fan-shaped package body 30. Simultaneously, the speed feedback module continuously collects the actual rotational angular velocity of the fan-shaped package and feeds this data back to the controller in the form of an electrical signal. The controller compares the feedback signal with the set value and automatically adjusts the output speed of the servo motor 10, thereby achieving dynamic compensation and precise control of the fan-shaped package's rotational speed, ensuring stable and uniform molten iron outflow.

[0043] Furthermore, the control system can also integrate an alarm module, a fault diagnosis module, and a remote communication interface to promptly issue alerts under abnormal operating conditions and support data exchange with a host computer or other equipment, enhancing the intelligence and operational convenience of the entire fan-shaped package rotation device. Through this structural design, the present invention not only improves the controllability and repeatability of the cast iron pouring process, but also significantly enhances the safety and automation of equipment operation, meeting the demand for efficient, intelligent, and highly stable equipment in modern foundry production.

[0044] Preferably, the controller can be a programmable logic controller (PLC), industrial computer (IPC), or dedicated motion controller, utilizing a built-in PID (Procedure-Independent Parameter) (PID) algorithm to precisely control the servo motor 10. The speed feedback module, which can include a rotary encoder, resolver, or Hall-effect sensor, can be mounted directly on the drive shaft 20 or integrated with the servo motor 10. This module monitors the angular velocity of the fan-shaped package body 30 in real time and feeds this data back to the controller for dynamic compensation and precise control. The alarm module can include an audible and visual alarm, a warning on a display screen, and fault detection logic within the controller. Upon detecting an abnormality, a response mechanism is triggered to alert the operator to take action. The fault diagnosis module can analyze operational data using techniques such as adaptive filtering, spectrum analysis, or machine learning models to provide early warning of potential faults and guide maintenance. The remote communication interface can be based on RS485, CAN bus, Ethernet, or other wireless communication protocols, supporting data exchange with factory automation systems, MES (Manufacturing Execution Systems), or SCADA (Supervisory Control and Data Acquisition Systems), facilitating centralized monitoring and remote debugging.

[0045] Furthermore, according to the present invention, a controller of a fan-shaped ladle rotation device is configured to identify the required molten iron flow rate from higher-level control instructions and dynamically adjust the output speed of the servo motor 10 based on the required molten iron flow rate. Specifically, the controller first receives control instructions from a host computer or user interface through its communication interface. These instructions contain information about the molten iron flow rate required for a specific pouring process. An internal algorithm within the controller interprets these instructions and determines the optimal fan-shaped ladle rotation speed to achieve the required molten iron flow rate.

[0046] Based on the calculated target rotation speed, the controller sends a precise speed adjustment signal to the servo motor 10. The servo motor 10 responds quickly according to the received instruction and adjusts its output speed to match the set value. At the same time, the speed feedback module monitors the actual rotational angular velocity of the fan-shaped package body 30 in real time and feeds the data back to the controller. The controller uses closed-loop control logic to compare the target speed with the actual speed, and makes fine adjustments to eliminate any deviations to ensure that the servo motor 10 maintains a constant and accurate rotation speed, thereby ensuring the uniformity and stability of the molten iron outflow. This dynamic adjustment mechanism can not only quickly respond to changes in the molten iron flow demand, but also maintain a high degree of consistency and accuracy throughout the casting process. In addition, the controller can also flexibly adjust the parameter settings according to different working conditions and process requirements to optimize the performance of the entire system. In this way, the fan-shaped package rotating device of the present invention can effectively improve the quality and efficiency of cast iron casting and meet the strict requirements of modern casting processes for high precision and stability.

[0047] The present invention also provides a cast iron pouring system comprising the aforementioned embodiment of the sector-shaped ladle rotating device. The cast iron pouring system provided by the present invention is described below, and the cast iron pouring system described below and the sector-shaped ladle rotating device described above can be referenced in conjunction with each other. Specifically, the cast iron pouring system utilizes the sector-shaped ladle rotating device as its core actuator, and is integrated with smelting equipment, a pouring platform, a control system, and auxiliary safety devices to form a complete pouring operation system.

[0048] In this system, the fan-shaped package rotation mechanism uses a servo motor 10 to drive a reducer 11, a coupling 12, and a drive shaft 20, driving the fan-shaped package body 30 to rotate stably around its axis, thereby ensuring uniform molten iron flow. The sleeve shaft portion 31 of the fan-shaped package body 30 is circumferentially secured to the drive shaft 20 via a flat key, spline, or interference fit. Bushings and axial positioning components 21 (such as retaining rings and locknuts) are provided on both sides to ensure structural stability and axial position retention during rotation. The support mechanism includes a motor-mounted support 13, a motor-side bearing seat 14, and a positioning bearing seat 15. The motor-mounted support 13 is flexibly connected to the workbench via shock-absorbing pads, effectively absorbing vibration and improving system operation stability.

[0049] The control system, serving as the core control unit for the entire pouring system, can include a controller, a speed feedback module, an alarm module, a fault diagnosis module, and a remote communication interface. The controller can identify molten iron flow requirements based on superior instructions and dynamically adjust the output speed of the servo motor 10, achieving closed-loop, precise control of the fan-shaped package rotation speed. The speed feedback module, which can be composed of a rotary encoder and other components, collects the actual fan-shaped package rotation speed in real time and feeds it back to the controller, forming a closed-loop regulation system. The system also preferably features fault self-diagnosis and alarm functions, enabling timely responses to abnormal operating conditions and ensuring operational safety. The remote communication interface supports data exchange with factory automation systems, MES, or SCADA systems, enabling centralized monitoring and remote management.

[0050] In addition, reinforcement structures 32, such as welded ribs, integrally molded ribs, or external support frames, are installed on both sides of the fan-shaped package body 30's outlet structure to enhance its strength and deformation resistance under high temperature and high load conditions, thereby extending its service life. The coupling 12 utilizes a design that incorporates a flexible structure, such as an elastic pin or a diaphragm coupling 12, which can compensate for axial, radial, and angular deviations, cushion impacts, reduce noise, and improve transmission smoothness and system reliability.

[0051] To sum up, the cast iron pouring system provided by the present invention realizes the efficient, stable and controllable molten iron pouring process by integrating a high-precision and high-stability fan-shaped ladle rotating device and its supporting control system, significantly improves the quality consistency and production efficiency of cast products, and meets the development needs of the modern foundry industry for intelligent, automated and high-precision casting processes.

[0052] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "mode", "specific mode", or "some modes" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or mode are included in at least one embodiment or mode of the embodiment of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or mode. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or modes in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or modes and features of different embodiments or modes described in this specification without contradiction.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A fan-shaped package rotating device, characterized in that: include: A servo motor (10) is fixedly mounted on the support mechanism and is used to output a rotational driving force; A reducer (11), arranged at the output end of the servo motor (10), for reducing the output speed and increasing the torque; A coupling (12) connected to the output end of the reducer (11) for transmitting torque and compensating for relative displacement between the shaft systems; A transmission shaft (20) is rotatably disposed on the support mechanism and connected to the reducer (11) via the coupling (12); The fan-shaped bag body (30) is fixedly mounted on the transmission shaft (20) and is used for storing molten iron and rotating around the central axis of the transmission shaft (20) under the drive of the transmission shaft (20) to allow the molten iron to flow out.

2. The fan-shaped bag rotating device according to claim 1, characterized in that: The coupling (12) includes a flexible structure for absorbing vibration and radial / axial displacement during transmission.

3. The fan-shaped bag rotating device according to claim 2, characterized in that: The coupling (12) comprises a first connecting portion (121) and a second connecting portion (122); The flexible structure comprises an elastic element arranged between the first connecting portion (121) and the second connecting portion (122); The elastic element is used to allow the first connecting portion (121) and the second connecting portion (122) to move or rotate relative to each other when the interaction force between the first connecting portion (121) and the second connecting portion (122) exceeds a preset threshold.

4. The fan-shaped bag rotating device according to claim 1, characterized in that: The fan-shaped bag body (30) comprises a sleeve shaft portion (31) sleeved on the transmission shaft (20); The transmission shaft (20) and the sleeve shaft portion (31) are circumferentially fixed via a flat key, a spline, or an interference fit.

5. The fan-shaped bag rotating device according to claim 4, characterized in that: Reinforcement structures (32) are respectively provided on both sides of the outlet structure of the fan-shaped bag body (30); The reinforcement structure (32) includes any one or more of a welded stiffener, an integrally formed rib, or an external support frame.

6. The fan-shaped bag rotating device according to claim 4, characterized in that: The support mechanism comprises: A motor fixed support (13) is connected to the work surface via a shock-absorbing pad; The motor side bearing seat (14) and the positioning bearing seat (15) are symmetrically mounted on the work table, and both ends of the transmission shaft (20) are respectively mounted in the motor side bearing seat (14) and the positioning bearing seat (15) through bearings.

7. The fan-shaped bag rotating device according to claim 6, characterized in that: An axial positioning component (21) is provided between the sleeve shaft portion (31) of the fan-shaped package body (30), the motor-side bearing seat (14), and the positioning bearing seat (15); The axial positioning assembly (21) includes any one or more of a sleeve, a snap ring, or a locking nut.

8. The fan-shaped bag rotating device according to any one of claims 1 to 7, characterized in that: Also included is a control system, the control system comprising: a controller electrically connected to the servo motor (10) and configured to receive an operating instruction and adjust the output speed of the servo motor (10); A speed feedback module is used to monitor the rotational angular velocity of the fan-shaped bag body (30) in real time and send a feedback signal to the controller.

9. The fan-shaped bag rotating device according to claim 8, characterized in that: The controller is configured as follows: Identify molten iron flow requirements from superior control instructions; The output speed of the servo motor (10) is dynamically adjusted according to the molten iron flow demand.

10. A cast iron pouring system, characterized in that: It comprises the fan-shaped bag rotating device according to any one of claims 1 to 9.

Images