A primary flow control mechanism of a two-stage automatic detection and control device for aluminum liquid flow

Abstract

A primary flow control mechanism of a two-stage automatic detection and control device for aluminum liquid flow, the plug assembly includes a plug and a plug rod, the plug is fixed at the end of the plug rod, and a connecting part is arranged in the middle of the plug rod; the driving assembly includes an electric push rod, an adjusting rod, an adjusting rod seat, an adjusting rod seat base and a plug rod seat, the electric push rod is fixed to the outer wall of the insulation furnace, the telescopic end of the electric push rod is linked with the rear end of the adjusting rod, the adjusting rod is rotatably mounted on the adjusting rod seat, the adjusting rod seat is fixed to the adjusting rod seat base, the adjusting rod seat base is fixed on the aluminum liquid tank, the front part of the adjusting rod is provided with a plug rod seat, and the connecting part in the middle of the plug rod is located in the plug rod seat; the aluminum liquid level signal of the measuring assembly is connected to a controller installed in a control box through a proximity switch, and the controller is connected to a control switch of the driving assembly. The utility model has a simple structure, low cost, convenient maintenance, durability, can reduce the burden of manpower, and can ensure the accuracy of control.

Description

Technical Field

[0001] The utility model relates to the field of alloy smelting, in particular to an automatic detection and control device for aluminum liquid flow of aluminum alloy casting and rolling equipment. Background Art

[0002] In the aluminum alloy smelting industry, to produce aluminum plates that can be used on the market, it is usually necessary to heat the aluminum material to liquid aluminum, store it in a heat preservation furnace, and then pass through an open aluminum liquid tank, degassing, filtering, precipitation and other processes, and finally enter the front box. The front box transports the aluminum liquid into the casting and rolling machine through the asbestos casting nozzle to cast and roll it into aluminum plates. The existing casting and rolling process requires strict control of the flow of aluminum liquid entering the casting and rolling machine to keep it stable, otherwise it will easily cause product defects, uneven crystallization, and even cause broken belts to cause production interruptions, which will result in a large amount of waste of raw materials and loss of manpower and material resources. A safe and reliable equipment is urgently needed to solve these problems.

[0003] In the past, the flow rate of molten aluminum was controlled by human observation and manual control using a plug and a plug rod. However, manual control not only has low control accuracy and subjectivity, but also has a low degree of automation. At the same time, workers work in a high-temperature environment for a long time, which has a huge impact on their physical and mental health. Summary of the invention

[0004] In order to overcome the shortcomings of low precision of existing manual control methods, the utility model provides a primary flow control mechanism of a two-stage automatic detection and control device for molten aluminum flow, which has a simple structure and can reduce the manpower burden while ensuring the control accuracy on the basis of being able to realize automatic control of the molten aluminum flow.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A primary flow control mechanism of a two-stage automatic detection and control device for controlling the flow rate of aluminum liquid, comprising a heat preservation furnace for storing aluminum liquid, the furnace mouth of the heat preservation furnace is connected to the aluminum liquid tank, the furnace mouth is provided with a plug, the primary flow control mechanism also comprises a plug assembly for controlling the plug opening to adjust the size of the heat preservation furnace mouth, a measuring assembly for detecting the flow rate of aluminum liquid in the aluminum liquid tank, a driving assembly for driving the plug rod to rotate and a controller for realizing flow control, the plug assembly comprises a plug and a plug rod, the plug is fixed at the end of the plug rod, and a connecting portion is arranged in the middle of the plug rod; the driving assembly comprises an electric push rod, a regulating A section rod, an adjusting rod seat, an adjusting rod seat base and a plug rod seat, the electric push rod fixes the outer wall of the insulation furnace, the telescopic end of the electric push rod is linked with the rear end of the adjusting rod, the adjusting rod is rotatably mounted on the adjusting rod seat, the adjusting rod seat is fixed on the adjusting rod seat base, the adjusting rod seat base is fixed on the aluminum liquid tank, the plug rod seat is arranged at the front part of the adjusting rod, and the connecting part in the middle part of the plug rod is located in the plug rod seat; the aluminum liquid level signal of the measuring assembly is connected to the controller installed in the control box through the proximity switch, and the controller is connected to the control switch of the driving assembly.

[0007] Furthermore, the measuring component includes a control box, a proximity switch, a measuring rod, a balancing block, a balancing block bracket, a measuring head connecting block, a measuring rod head, a floating plate adjusting rod and a floating block for detecting the height of the molten aluminum in the molten aluminum tank. A proximity switch is provided on one side of the front end of the measuring rod, and the change in the state of the proximity switch signal reflects the information of the height of the molten aluminum. The proximity switch is located on the inner wall of the control box, a balancing block is provided in the middle of the measuring rod, and the balancing block is located on the balancing block bracket. A measuring head connecting block is provided at the rear end of the measuring rod, and the measuring head connecting block is connected to the measuring rod head, and the measuring rod head is connected to the floating plate adjusting rod, and a floating block is provided at the bottom of the floating plate adjusting rod.

[0008] Preferably, four proximity switches are provided, and the aluminum liquid height information is divided into three levels of high liquid level, middle liquid level and low liquid level through three intervals between adjacent proximity switches.

[0009] Furthermore, the proximity switch is connected to a controller, and the controller is connected to a control switch of the electric push rod.

[0010] Preferably, the connecting portion is a threaded ring.

[0011] The beneficial effects of the utility model are mainly manifested in: the height of the aluminum liquid is detected in real time by cooperating with the floating block and the proximity switch, and the size of the aluminum liquid outlet is changed by adjusting the adjusting rod with the electric push rod according to the flow of the aluminum liquid, so that the aluminum liquid is controlled at the set gear (for example, four proximity switches, three gears), avoiding the problems of high hazards and high labor costs of manual operation; the electric push rod is used to control the size of the aluminum liquid outlet, and the control accuracy is high, so as to ensure that the flow of aluminum liquid is stable and uniform, thereby ensuring the stable and reliable quality of the cast and rolled aluminum plate; at the same time, it has the advantages of simple structure, low cost, convenient maintenance, durability, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural diagram of the first-level flow control mechanism of the two-level automatic detection and control device for the flow of molten aluminum;

[0013] Figure 2 To measure the component diagram;

[0014] Figure 3 This is a diagram of the plug assembly;

[0015] Figure 4 It is the driving component diagram;

[0016] Markings in the accompanying drawings: 1-insulation furnace, 2-primary flow control device, 21-measuring assembly, 211-control box, 212-proximity switch, 213-measuring rod, 214-balancing block, 215-balancing block bracket, 216-measuring head connecting block, 217-measuring rod head, 218-floating plate adjusting rod, 219-floating block, 22-plug assembly, 221-plug rod, 222-threaded ring, 223-plug, 23-drive assembly, 231-electric push rod, 232-adjusting rod, 233-adjusting rod seat, 234-plug rod seat, 235-adjusting rod seat base, 3-aluminum liquid tank. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Reference Figure 1 to Figure 4 A primary flow control mechanism of a two-stage automatic detection and control device for aluminum liquid flow, comprising a holding furnace 1, an aluminum liquid tank 3, a plug assembly 22, a measuring assembly 21, a driving assembly 23 and a control box 211, wherein the furnace port of the holding furnace 1 is connected to the aluminum liquid tank 3, the furnace port is provided with a plug 223, and a proximity switch 212 and a controller are provided in the control box;

[0019] The measuring assembly 21 is used to detect the flow rate of molten aluminum in the molten aluminum tank, and includes a measuring rod 213, a balancing block 214, a balancing block 215, a measuring head connecting block 216, a measuring rod head 217, a floating plate adjusting rod 218 and a floating block 219 fixed on the adjusting rod 232. The balancing block 214 is arranged in the middle of the measuring rod 213, and the balancing block 214 is located on the balancing block 215. The end of the measuring rod 213 is provided with a measuring head connecting block 216, and the measuring head connecting block 216 is connected to the measuring rod head 217, and the measuring rod head 217 is connected to the floating plate adjusting rod 218. The floating block 219 is arranged at the bottom of the floating plate adjusting rod 218.

[0020] The driving assembly 23 includes an electric push rod 231, an adjusting rod 232, an adjusting rod seat 233, an adjusting rod seat base 235 fixed on the aluminum liquid tank, and a plugging rod seat 234 connected to the plugging rod 221 through a threaded ring 222. The electric push rod 231 fixes the outer wall of the insulation furnace 1, and the telescopic end of the electric push rod 231 is linked to the rear end of the adjusting rod 232. The adjusting rod 232 is rotatably mounted on the adjusting rod seat 233, and the adjusting rod seat 233 is fixed on the adjusting rod seat base 235. The adjusting rod seat base 235 is fixed on the aluminum liquid tank 3. The plugging rod seat 234 is set at the front part of the adjusting rod 232, and the connecting part in the middle part of the plugging rod 221, that is, the threaded ring 222 is located in the plugging rod seat 234.

[0021] In this embodiment, the floating block 219 and the measuring rod 213 use the principle of lever to measure the height of the aluminum liquid in the aluminum liquid tank 3, and the aluminum liquid height information is divided into three levels of high liquid level, middle liquid level and low liquid level through four proximity switches installed on the front side of the measuring rod 213, and fed back to the controller inside the control box 1; the electric push rod 231 is controlled to push the adjustment rod 232, change the angle of the plug rod 221, thereby changing the size of the insulation furnace mouth, changing the aluminum liquid flow rate, and controlling the aluminum liquid height at the set level.

[0022] The solution of this embodiment uses the electric push rod 231 to adjust the adjustment rod 232 to change the size of the aluminum liquid outlet according to the aluminum liquid flow rate, thereby avoiding the problems of high hazards and high labor costs of manual operation; the electric push rod 231 is used to control the size of the aluminum liquid outlet with high control accuracy, ensuring a stable and uniform aluminum liquid flow rate, thereby ensuring stable and reliable quality of the cast and rolled aluminum plate; the structure is simple, the cost is low, the maintenance is convenient, and it is durable.

[0023] The contents described in the embodiments of this specification are merely enumerations of implementation forms of the utility model concept and are for illustrative purposes only. The protection scope of the utility model should not be considered to be limited to the specific forms described in this embodiment, and the protection scope of the utility model also extends to equivalent technical means that ordinary technicians in this field can think of based on the concept of the utility model.

Claims

1. A primary flow control mechanism of a two-stage automatic detection and control device for controlling the flow of molten aluminum, comprising a holding furnace for storing molten aluminum, the furnace port of the holding furnace being connected to the molten aluminum tank, the furnace port being provided with a plug, characterized in that: The primary flow control mechanism also includes a plug assembly for controlling the opening of the plug to adjust the size of the insulation furnace mouth, a measuring assembly for detecting the flow rate of aluminum liquid in the aluminum liquid tank, a driving assembly for driving the plug rod to rotate, and a controller for realizing flow control. The plug assembly includes a plug and a plug rod, the plug is fixed at the end of the plug rod, and a connecting portion is arranged in the middle of the plug rod; the driving assembly includes an electric push rod, an adjusting rod, an adjusting rod seat, an adjusting rod seat base, and a plug rod seat, the electric push rod is fixed to the outer wall of the insulation furnace, the telescopic end of the electric push rod is linked with the rear end of the adjusting rod, the adjusting rod is rotatably mounted on the adjusting rod seat, the adjusting rod seat is fixed on the adjusting rod seat base, the adjusting rod seat base is fixed on the aluminum liquid tank, the plug rod seat is arranged at the front of the adjusting rod, and the connecting portion in the middle of the plug rod is located in the plug rod seat; the aluminum liquid level signal of the measuring assembly is connected to the controller installed in the control box through a proximity switch, and the controller is connected to the control switch of the driving assembly.

2. The primary flow control mechanism of the two-stage automatic detection and control device for aluminum liquid flow as claimed in claim 1 is characterized in that: The measuring assembly includes a control box, a proximity switch, a measuring rod, a balancing block, a balancing block bracket, a measuring head connecting block, a measuring rod head, a floating plate adjusting rod and a floating block for detecting the height of the molten aluminum in the molten aluminum tank. A proximity switch is provided on one side of the front end of the measuring rod, and the change in the state of the proximity switch signal reflects the information of the height of the molten aluminum. The proximity switch is located on the inner wall of the control box, a balancing block is provided in the middle of the measuring rod, and the balancing block is located on the balancing block bracket. A measuring head connecting block is provided at the rear end of the measuring rod, and the measuring head connecting block is connected to the measuring rod head, and the measuring rod head is connected to the floating plate adjusting rod, and a floating block is provided at the bottom of the floating plate adjusting rod.

3. A primary flow control mechanism of a two-stage automatic detection and control device for aluminum liquid flow as claimed in claim 1 or 2, characterized in that: There are four proximity switches, and the aluminum liquid height information is divided into three levels of high liquid level, middle liquid level and low liquid level through three intervals between adjacent proximity switches.

4. A primary flow control mechanism of a two-stage automatic detection and control device for aluminum liquid flow as claimed in claim 1 or 2, characterized in that: The proximity switch is connected to a controller, and the controller is connected to a control switch of the electric push rod.

5. A primary flow control mechanism of a two-stage automatic detection and control device for aluminum liquid flow as claimed in claim 1 or 2, characterized in that: The connecting portion is a threaded ring.

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