Driving mechanism of molten aluminum runner liquid level control system

Abstract

A driving mechanism of a molten aluminum runner liquid level control system comprises a driving rod, a driving motor and a reset spring, the driving rod is of an L-shaped structure, the vertical section of the driving rod is hinged to the side wall of a molten aluminum runner, the horizontal section of the driving rod is located above the molten aluminum runner, and a hinge seat is arranged and used for being connected with a stopper in a hinged mode; the driving motor is arranged below the molten aluminum flow groove and receives a control signal of the liquid level detection mechanism through the central control room, a control arm is fixed to an output shaft of the driving motor in the circumferential direction, one end of the control arm is bent to make contact with the driving end of the vertical section of the driving rod, one end of the reset spring is fixed, and the other end of the reset spring is connected with the horizontal section of the driving rod. And the vertical section of the driving rod has a trend of rotating towards the driving motor. The device is simple in structure and low in maintenance cost, can quickly and accurately control the liquid level of the molten aluminum runner, and meets the production requirements of enterprises.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of aluminum processing, especially relates to a driving mechanism of aluminum water flow tank liquid level control system. BACKGROUND

[0002] The aluminum water in the smelting furnace of the aluminum processing enterprise is discharged through the aluminum water flow tank and is used for pouring forming.

[0003] According to the production requirement, the aluminum water level of the aluminum water flow tank needs to be controlled.

[0004] Usually, the insertion depth of the stopper in the smelting furnace wall horn is manually controlled. Because the aluminum water temperature is high, the operation environment is poor, and there is a risk of scalding.

[0005] There are also floating ball devices and optical detection devices in the aluminum water flow tank. The floating ball devices and optical detection devices send control signals to control the driving devices to drive the stopper to act, thereby achieving the purpose of controlling the aluminum water flow, such as Chinese patent CN 214263872 U. This driving structure can replace manual operation, but it relies on the driving lever device to act, which has the defects of low driving precision and high liquid level control delay, and cannot meet the needs of enterprises.

[0006] Therefore, it is a problem for those skilled in the art to design a driving mechanism for a liquid level control system with high control precision and low delay. SUMMARY

[0007] The utility model aims at the shortage of prior art, provides a kind of driving mechanism of aluminum water flow tank liquid level control system, its structure is simple, and maintenance cost is low, and the liquid level of aluminum water flow tank can be controlled quickly and accurately, to meet the production needs of enterprise.

[0008] The technical scheme of the utility model is: a kind of driving mechanism of aluminum water flow tank liquid level control system, including driving rod, drive motor, reset spring, the driving rod is L-shaped structure, the vertical section of driving rod is hinged in the side wall of aluminum water flow tank, the horizontal section of driving rod is located above aluminum water flow tank, and hinge seat is set for being connected with stopper hinge, the drive motor is set below aluminum water flow tank, and receives liquid level detection mechanism control signal by central control room, and control arm is fixed on the output shaft of drive motor, and one end of control arm is bent and the driving end of the vertical section of driving rod is contacted, one end of reset spring is fixed, and the other end is connected with the horizontal section of driving rod, so that the vertical section of driving rod has the tendency of rotating towards drive motor.

[0009] The side wall of the aluminum liquid launder is fixedly provided with a horizontally extending mounting arm, the extending end of the mounting arm is provided with a notch, the vertical section of the driving rod passes through the notch and is hingedly connected through a hinge shaft, the length of the rod section above the hinge shaft of the vertical section of the driving rod is less than the length of the rod section below the hinge shaft, thereby forming a labor-saving lever.

[0010] The side wall of the aluminum liquid launder is provided with a limiting rod between the aluminum liquid launder and the vertical section of the driving rod.

[0011] The driving motor is fixedly provided with a circular-arc extending guide groove, the other end of the control arm is bent and gap-fitted in the guide groove.

[0012] The driving motor is a servo motor.

[0013] The driving motor is located on one side of the driving rod, the reset spring is located on the other side of the driving rod, one end of the reset spring is connected to the side wall of the aluminum liquid launder, and the other end is connected to the horizontal section of the driving rod.

[0014] The above technical scheme has the following beneficial effects:

[0015] 1. The driving mechanism of the aluminum liquid launder liquid level control system comprises a driving rod, a driving motor and a reset spring, wherein the driving rod is used for controlling the action of the connected stopper, the driving motor and the reset spring are cooperatively connected to control the action direction of the driving rod, the driving motor and the reset spring are used for increasing or decreasing the flow of the aluminum liquid, thereby achieving the purpose of controlling the liquid level of the aluminum liquid in the aluminum liquid launder. The driving rod is in an L-shaped structure, the vertical section of the driving rod is hingedly connected to the side wall of the aluminum liquid launder, and the horizontal section of the driving rod is located above the aluminum liquid launder, that is, when the vertical section of the driving rod rotates, the horizontal section of the driving rod moves forward and backward, the horizontal section is provided with a hinge seat for being hingedly connected to the stopper, the handle section of the stopper is hingedly connected to the horizontal section of the driving rod through the hinge seat, and when the horizontal section of the driving rod moves forward and backward, the stopper is driven to move forward and backward. The driving motor is located below the aluminum liquid launder, receives the liquid level detection mechanism control signal through the central control room, and controls the driving motor to rotate by one angle or to rotate reversely by one angle. A control arm is fixedly arranged on the output shaft of the driving motor, one end of the control arm is bent and in contact with the driving end of the vertical section of the driving rod, one end of the reset spring is fixed, and the other end is connected to the horizontal section of the driving rod, so that the vertical section of the driving rod has a tendency to rotate towards the driving motor. The driving motor can quickly and accurately rotate by a specified angle after receiving the control signal, the vertical section of the driving rod is driven to rotate and the horizontal section is driven to move, the stopper is driven to move forward by a specified distance, or the driving motor can quickly and accurately rotate reversely by a specified angle, the driving rod is reversely rotated to abut against the control arm of the driving motor under the action of the reset spring, the horizontal section is reversely moved, the stopper is reversely moved by a specified distance, the flow of the aluminum liquid is quickly and accurately controlled, and the liquid level of the aluminum liquid in the aluminum liquid launder is accurately controlled.

[0016] 2. A horizontally extending mounting arm is fixedly installed on the side wall of the aluminum water flow channel. A notch is provided on the extended end of the mounting arm. The vertical section of the drive rod passes through the notch and is connected by a hinge shaft. The length of the vertical section of the drive rod above the hinge shaft is less than the length of the vertical section below the hinge shaft, forming a force-saving lever. This makes the movement distance of the horizontal section of the drive rod more precise and meets the production requirements of the enterprise.

[0017] 3. A limit rod is installed on the side wall of the aluminum water flow channel, located between the aluminum water flow channel and the vertical section of the drive rod, to avoid friction between the drive rod and the side wall of the aluminum water flow channel and reduce the rotational resistance of the drive rod.

[0018] 4. A guide groove extending in an arc shape is fixedly provided on the drive motor. The other end of the control arm is bent and fitted into the guide groove with a clearance. The guide groove can limit the rotation range of the drive motor and balance the control arm to ensure control accuracy.

[0019] The following description, in conjunction with the accompanying drawings and specific embodiments, provides further details. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model.

[0021] In the attached diagram, 1 is the drive rod, 2 is the drive motor, 3 is the return spring, 4 is the control arm, 5 is the limit rod, 6 is the guide groove, and 7 is the hinge seat. Detailed Implementation

[0022] See Figure 1This is a specific embodiment of a drive mechanism for an aluminum water flow channel level control system. The drive mechanism of the aluminum water flow channel level control system includes a drive rod 1, a drive motor 2, and a return spring 3. The drive rod 1 has an L-shaped structure. The vertical section of the drive rod 1 is hinged to the side wall of the aluminum water flow channel, and the horizontal section of the drive rod 1 is located above the aluminum water flow channel. A hinge seat 7 is provided for hinged connection with a stopper rod. In this embodiment, both the vertical and horizontal sections of the L-shaped drive rod are rectangular tubes, which are welded to form an integral structure. A horizontally extending mounting arm is fixedly provided on the side wall of the aluminum water flow channel. A notch is provided on the left end of the mounting arm (facing the direction of aluminum water flow). The vertical section of the drive rod passes through the notch and is hinged together by a hinge shaft. The length of the vertical section of the drive rod above the hinge shaft is less than the length of the vertical section below the hinge shaft, forming a force-saving lever. The drive motor 2 is located below the aluminum water flow channel and to the left of the vertical section of the drive rod. The drive motor is a servo motor that receives control signals from the liquid level detection mechanism via a central control room. A control arm 4 is circumferentially fixed to the output shaft of the drive motor 2. One end of the control arm 4 is bent and contacts the drive end of the vertical section of the drive rod. To improve control accuracy, a guide groove 6 extending in an arc shape is fixedly provided on the drive motor 2. The other end of the control arm 4 is bent and fits loosely within the guide groove. The return spring 3 is located to the right of the vertical section of the drive rod. One end of the return spring is connected to the side wall of the aluminum water flow channel, and the other end is connected to the horizontal section of the drive rod, giving the vertical section of the drive rod a tendency to rotate towards the drive motor 2.

[0023] Furthermore, in order to reduce frictional resistance, a limit rod 5 is provided on the side wall of the aluminum water flow channel, located between the vertical section of the aluminum water flow channel and the drive rod.

[0024] The working principle of this utility model is as follows:

[0025] First through the stopper one end inserted into the furnace mouth, and adjust the depth of the stopper handle section articulated in the horizontal section of the drive rod articulated seat. Through the matching liquid level detection mechanism, the data of the liquid level is detected quickly and accurately, and the change of the liquid level is calculated. When the liquid level is detected to be reduced, the flow of aluminum liquid needs to be increased, the central control room sends out the command, the drive motor rotates counterclockwise by an angle, the bending section of the control arm rotates towards the drive rod, the horizontal section of the drive rod moves horizontally to the left, and then the stopper moves left along the horizontal direction (towards the direction of the flow of aluminum liquid), at the same time the reset spring is stretched, the gap between the stopper head and the furnace mouth increases, and the flow of aluminum liquid increases. When the liquid level is detected to be increased, the flow of aluminum liquid needs to be reduced, the central control room sends out the command, the drive motor rotates clockwise by an angle, the bending section of the control arm rotates away from the drive rod, the drive rod reverses under the action of the reset spring and keeps in contact with the bending section of the control arm, the horizontal section of the drive rod moves horizontally to the right, and then the stopper moves right along the horizontal direction, the gap between the stopper head and the furnace mouth decreases, and the flow of aluminum liquid decreases. Meet the production needs of enterprises.

Claims

1. A drive mechanism for an aluminum cell launder level control system, characterized by: It comprises a driving rod (1), a driving motor (2), a reset spring (3), The driving rod (1) is in L-shaped structure, and the vertical section of the driving rod (1) is hingedly connected to the side wall of the aluminum liquid channel, The horizontal section of the driving rod (1) is located above the aluminum liquid channel, and a hinged seat (7) is arranged for being hingedly connected to the stopper rod, The driving motor (2) is arranged below the aluminum liquid channel, and receives a control signal of a liquid level detection mechanism in the central control room, and a control arm (4) is fixedly arranged on the output shaft of the driving motor (2), and one end of the control arm (4) is bent to contact the driving end of the vertical section of the driving rod, One end of the reset spring (3) is fixed, and the other end is connected to the horizontal section of the driving rod, so that the vertical section of the driving rod has a tendency to rotate towards the driving motor (2).

2. The drive mechanism for an aluminum trough level control system of claim 1, wherein: A horizontally extending mounting arm is fixedly arranged on the side wall of the aluminum liquid channel, a notch is arranged on the extending end of the mounting arm, the vertical section of the driving rod passes through the notch and is hingedly connected through a hinge shaft, the length of the rod section above the hinge shaft of the vertical section of the driving rod is less than the length of the rod section below the hinge shaft, thereby forming a force-saving lever.

3. The drive mechanism for an aluminum trough level control system of claim 1, wherein: A limiting rod (5) is arranged on the side wall of the aluminum liquid channel and located between the aluminum liquid channel and the vertical section of the driving rod.

4. The drive mechanism for an aluminum trough level control system of claim 1, wherein: A circular-arc-shaped extending guide groove (6) is fixedly arranged on the driving motor (2), and the other end of the control arm (4) is bent and gap-fitted in the guide groove.

5. The drive mechanism for an aluminum trough level control system of claim 1, wherein: The driving motor (2) is a servo motor.

6. The drive mechanism for an aluminum trough level control system of claim 1, wherein: The driving motor (2) is located on one side of the driving rod (1), and the reset spring (3) is located on the other side of the driving rod (1), one end of the reset spring (3) is connected to the side wall of the aluminum liquid channel, and the other end is connected to the horizontal section of the driving rod.

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