CN218610315U

CN218610315U - Flexible soft braking brake system of vibrating screen

Info

Publication number: CN218610315U
Application number: CN202222743861.1U
Authority: CN
Inventors: 黄进家; 陈扎; 王建雄
Original assignee: Fujian Nonnon Technology Co ltd
Current assignee: Fujian Nonnon Technology Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-03-14
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses a flexible soft braking system of shale shaker, including vibrating motor, starting switch and stop switch, still include control chip, first switch circuit, second switch circuit and rectification voltage regulating unit, control chip has 0-10V's DC power supply output, starting switch and stop switch are connected with control chip's signal input part electricity respectively, silicon controlled rectifier rectification voltage regulating unit has DC wiring end and AC wiring end, DC wiring end is connected with control chip's DC power supply output electricity, above-mentioned control chip's output is connected with vibrating motor control through first switch circuit and second switch circuit respectively, the output of above-mentioned silicon controlled rectifier rectification voltage regulating unit is connected with vibrating motor control through above-mentioned second switch circuit. When the vibrating screen is braked, 0-220V direct current is input to the vibrating motor, so that the vibrating motor is gradually and slowly stopped under the influence of the direct current, and the vibrating screen does not obviously shake after being stopped.

Description

Flexible soft braking brake system of vibrating screen

Technical Field

The utility model relates to a be used for the shale shaker field, in particular to soft braking brake system of flexibility of shale shaker.

Background

The tradition is used for shale shaker of grit screening to include the screen cloth device that the interval set up about the multilayer screen cloth usually and connect the vibration mechanism that screen cloth device realized the vibration effect, and vibration mechanism's vibration mainly realizes through vibrating motor, and when vibrating motor started, each screen cloth takes place to vibrate and makes the material of different particle diameters sieve follow different screen cloths and sieve out. The opening and the stopping of the vibrating motor are respectively controlled through the opening switch and the stopping switch, meanwhile, in order to avoid violent bouncing of the vibrating screen when the vibrating motor stops, reverse current is provided for the vibrating motor to brake, however, the sudden braking mode of the reverse current still can generate large shaking when the vibrating screen stops, large impact is generated on the motor and the mechanical structure, and the service life of the motor and the mechanical structure is influenced.

In view of the above, the present inventors have conducted extensive studies to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible soft braking system of shale shaker to solve prior art shale shaker and can produce the great problem of rocking when shutting down.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a flexible soft braking system of a vibrating screen comprises a vibrating motor, a starting switch, a stopping switch, a control chip, a first switch circuit, a second switch circuit and a rectification and voltage regulation unit, wherein the control chip is provided with a direct current power supply output end of 0-10V, the starting switch and the stopping switch are respectively and electrically connected with a signal input end of the control chip, the rectification and voltage regulation unit is a silicon controlled rectification and voltage regulation unit which converts input alternating current into direct current of 0-220V and outputs the direct current, the silicon controlled rectification and voltage regulation unit is provided with a direct current wiring end and an alternating current wiring end, the direct current wiring end is electrically connected with the direct current power supply output end of the control chip, the output end of the control chip is respectively in control connection with the vibrating motor through the first switch circuit and the second switch circuit, and the output end of the silicon controlled rectification and voltage regulation unit is in control connection with the vibrating motor through the second switch circuit.

The silicon controlled rectifier voltage regulating unit is provided with a silicon controlled rectifier trigger and a silicon controlled rectifier bridge, the silicon controlled rectifier trigger is provided with a direct current terminal and an alternating current terminal, the alternating current terminal is electrically connected with alternating current, the direct current terminal is electrically connected with a direct current power supply output end of the control chip, the output end of the silicon controlled rectifier trigger is electrically connected with the silicon controlled rectifier bridge, and the silicon controlled rectifier bridge is in control connection with the vibrating motor through the second switch circuit.

The input end of the control chip is electrically connected with a touch screen, and the touch screen is provided with a brake delay time setting key, a brake time setting key and a brake voltage setting key.

The silicon controlled rectifier bridge is a single-phase silicon controlled rectifier bridge.

After the technical scheme is adopted, the utility model discloses a flexible soft braking system of shale shaker, during the braking, stop switch is closed, first switch circuit disconnection, control chip control vibrating motor time delay 14 seconds are shut down, second switch circuit is closed, control chip inputs 0-10V direct current for silicon controlled rectifier rectification voltage regulating unit, silicon controlled rectifier rectification voltage regulating unit's alternating current wiring end and alternating current phase-switch-on, silicon controlled rectifier rectification voltage regulating unit has 0-10V direct current input control signal and 220V alternating current input this moment, export 0-220V direct current after silicon controlled rectifier rectification voltage regulating unit rectification voltage regulation, this direct current pressurization gives the vibrating motor coil, the motor produces a static magnetic field, utilize this static magnetic field to make the motor slowly stop gradually, thereby make the shale shaker can obviously not rock after stopping.

Drawings

Fig. 1 is a schematic circuit block diagram of the present invention;

FIG. 2 is a wiring diagram of the control chip of the present invention;

FIG. 3 is a diagram of the thyristor trigger of the present invention;

fig. 4 is a wiring diagram of the vibration motor of the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings.

The utility model discloses a soft brake system that brakes of flexibility of shale shaker, as shown in fig. 1-4, including vibrating motor 100, starting switch 200, stop switch 300, control chip 400, first switch circuit 500, second switch circuit 600 and rectification voltage regulating unit, control chip 400 has 0-10V's direct current power supply input, starting switch 200 and stop switch 300 are connected with the signal input part electricity of control chip 400 respectively, rectification voltage regulating unit is for the silicon controlled rectifier rectification voltage regulating unit with the alternating current and the direct current transformation output 0-220V direct current of inputing, silicon controlled rectifier rectification voltage regulating unit has direct current terminal and alternating current terminal, specifically, silicon controlled rectifier rectification voltage regulating unit has silicon controlled rectifier trigger 700 and silicon controlled rectifier bridge 800, silicon controlled rectifier trigger 700 has direct current terminal and alternating current terminal, alternating current terminal is connected with the alternating current electricity, direct current terminal is connected with the direct current power supply output of control chip 400 electrically, the output of control chip 400 is connected with the silicon controlled rectifier output of control chip 400 through first switch circuit 500 and second switch circuit 600 respectively, but this silicon controlled rectifier rectification bridge 800 is connected with the direct current rectifier bridge 800, but the vibration motor is connected with the direct current power supply output of the control bridge 800, the silicon controlled rectifier bridge 800. In this novel, what control chip's control principle adopted is current control chip, only need carry on the original chip suitable modification can, for the conventional means in this field, and not the improvement of this patent application, but the function that has silicon controlled rectifier bridge and silicon controlled rectifier trigger to realize again is publicly known, does not here again state tired.

The utility model discloses a flexible soft braking brake system of shale shaker, as shown in fig. 4, during the walking, starting switch 200 (be SB 1) is closed, first switch circuit (be KM 1) is closed, second switch circuit (be KM 2) is disconnected, and the alternating current is given vibrating motor 100 through circuit breaker (be QF 1), first switch circuit (be KM 1) and thermal relay (be FR 1) and is gone up the electricity this moment, and vibrating motor 100 works; during braking, the starting switch 200 (i.e., SB 1) is turned off, the stopping switch 300 (i.e., SB 2) is turned on, the first switch circuit (i.e., KM 1) is turned off, the control chip 400 controls the vibration motor 100 to delay for 14 seconds to stop, the second switch circuit (i.e., KM 2) is turned on, and braking is performed for 2 seconds (i.e., assuming that the PLC sets an output value of 10v and a voltage is gradually increased from 0V to 10V to output a corresponding direct current voltage of 0-220V, thereby achieving flexible soft braking), so that the control chip 400 inputs a direct current of 0-10V to the triac trigger 700, the voltage value and the braking time of the direct current can be set, the triac trigger 700 can control the output voltage of the triac rectifier bridge 800 through input of 220V alternating current and output of 0-10V direct current, so that the direct current voltage value output by the triac rectifier bridge 800 is within 220V, and the output direct current voltage is applied to the vibration motor 100, thereby achieving braking of the vibration motor, and the vibration motor is gradually stopped by being affected by the direct current, and the vibration screen does not shake significantly.

This is novel, control chip 400's input electricity is connected with a touch-sensitive screen 900, and touch-sensitive screen 900 has brake delay time set key, brake time set key and brake voltage size set key, utilizes the touch-sensitive screen can adjust the delay time of brake, brake time and brake current size to can adjust according to the different vibration amplitude of shale shaker, use in a flexible way.

The product form of the present invention is not limited to the drawings and embodiments of the present application, and any person can properly change or modify the product form of the present invention without departing from the scope of the present invention.

Claims

1. The utility model provides a soft braking system of flexibility of shale shaker, includes vibrating motor, starting switch and stop switch, its characterized in that: the vibration motor control system comprises a control chip, a first switch circuit, a second switch circuit and a rectification and voltage regulation unit, wherein the control chip is provided with a 0-10V direct-current power supply output end, a starting switch and a stopping switch are respectively and electrically connected with a signal input end of the control chip, the rectification and voltage regulation unit is a silicon controlled rectification and voltage regulation unit which converts input alternating current and direct current into 0-220V direct current and outputs the 0-220V direct current, the silicon controlled rectification and voltage regulation unit is provided with a direct-current terminal and an alternating-current terminal, the direct-current terminal is electrically connected with the direct-current power supply output end of the control chip, the output end of the control chip is respectively in control connection with the vibration motor through the first switch circuit and the second switch circuit, and the output end of the silicon controlled rectification and voltage regulation unit is in control connection with the vibration motor through the second switch circuit.

2. The flexible soft brake system for shaker screens of claim 1, wherein: the silicon controlled rectifier voltage regulating unit is provided with a silicon controlled rectifier trigger and a silicon controlled rectifier bridge, the silicon controlled rectifier trigger is provided with a direct current wiring terminal and an alternating current wiring terminal, the alternating current wiring terminal is electrically connected with alternating current, the direct current wiring terminal is electrically connected with a direct current power supply output end of the control chip, the output end of the silicon controlled rectifier trigger is electrically connected with the silicon controlled rectifier bridge, and the silicon controlled rectifier bridge is in control connection with the vibrating motor through the second switch circuit.

3. The flexible soft brake system for shaker screens of claim 1, wherein: the input end of the control chip is electrically connected with a touch screen, and the touch screen is provided with a brake delay time setting key, a brake time setting key and a brake voltage size setting key.

4. A flexible soft brake system for a shaker as claimed in claim 2, wherein: the thyristor rectifier bridge is a single-phase thyristor rectifier bridge.