JPS58188223A - Quantitative supply method of screen residue by screw conveyer - Google Patents

Abstract

PURPOSE:To smoothly and efficiently perform quantitative supply of screen residue contg. a large amt. of fibrous materials in a tilt or horizontal screw conveyer, by a constitution in which driving of this conveyer is controlled by a load of an electric motor of a horizontal screw conveyer. CONSTITUTION:A time until a starting electric current attains a preset value is set to a timer T1, and if the set time for the timer T1 is up, the next detector S1 is actuated. If the detector S1 detects a value at least the preset value, a horizontal screw conveyer 2 is stopped to start actuation of a timer T2. With the lapse of a preset time, the horizontal screw conveyer is restarted. During this time also a tilt screw conveyer is continuously driven, and excessive pressing force is relaxed. In a time within the preset value, the horizontal screw conveyer is continuously driven. By such control of the horizontal conveyer, pressing force between the both conveyers can be fixed to smoothly and efficiently perform quantitative supply.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fixed quantity supply method using a horizontal screw conveyor and an inclined screw conveyor to supply a fibrous waste in fixed quantities.

Conventionally, when miscellaneous materials with a lot of fiber such as scraps are continuously conveyed using two or more screw conveyors, especially when conveyed by a combination of a horizontal conveyor and an inclined conveyor, Furthermore, in order to perform fixed quantity supply when the conveyance capacity of this Aya screw conveyor is different,
Conventionally, a method of changing the diameter of both screws, a method of changing the rotation speed, etc. has been adopted to prevent jamming at the joint between both screw conveyors. However, as mentioned above, when the articles to be conveyed have irregular shapes such as screen scraps, smooth quantitative supply is difficult.

The present invention has been made in view of this, and is a fibrous residue quantitative supply device that is equipped with a horizontal screw conveyor and an inclined screen conveyor in a hopper, and is continuously operated to supply a fixed amount of residue. The motor load capacity t of the horizontal screw conveyor disposed below the inclined screw conveyor is detected, and when it exceeds a certain value, the motor is stopped, and a timer is set to restart the motor after a certain period of time has elapsed since the horizontal screw conveyor stopped. When the horizontal screw conveyor is activated and the electric wj machine of the horizontal screw conveyor is within the set value, it is driven continuously, thereby keeping the pressing force of the L residue on the inclined screw conveyor by the horizontal screw conveyor constant, and the sludge is quantified by the inclined screw conveyor. This is a summary of what has been done to provide this service.

The present invention will be explained below based on illustrated embodiments.

In the figure, a large amount of miscellaneous materials with a lot of fiber, such as screen scraps, are thrown into the hopper at the IFi receiving hopper.At the bottom of this hopper 1, a horizontal screw conveyor 2 is installed to send out the material in a horizontal direction. The conveyor 2
is driven by a drive device 8.

Further, an inclined screw conveyor 4 is provided in the hopper 1, and the screen scraps passed through the horizontal screw conveyor are pressed against the lower part of the inclined screw conveyor with a set pressing force. this#
The four-diagonal screw conveyor 4 is also driven by the drive device Is, which is continuously driven.

In addition, for horizontal or inclined screw conveyors, in order to prevent jamming t, a jamming prevention plate 6 is provided on the inner surface of the trough as shown in Fig. The angle between the line and the extension line of the jamming prevention plate is greater than or equal to a right angle, and the line protrudes from the inner surface of the trough.

Further, the screw conveyor is provided with a timer and a detector for detecting current consumption or power consumption of the motor. That is, as shown in Figure 4, the horizontal screw conveyor is equipped with a timer TI to detect overcurrent (overpower) at startup and overpressure of the inclined screw conveyor, as well as a timer TI for the horizontal screw conveyor's motor power consumption or electric power ILK. A detector 81 detects a sound when the over-pressing of the horizontal screw conveyor exceeds a set value. A timer to set the time until the horizontal screw conveyor is over-pressed and the horizontal screw conveyor is stopped and the backward pressure is released! , Detector S that detects the current consumption or power consumption when the horizontal screw conveyor is under no load. , Even if the horizontal screw conveyor operates the detection unit 82, a small amount of screen residue remains, but all of this is removed.Timer TI for setting the time after the horizontal screw conveyor stops (work is completed). A timer 〒4 is provided to set the time required to remove the screen residue remaining on the inclined screw conveyor.

Next, the present invention will be explained based on the automatic operation flow diagram shown in FIG.

# in the receiving hopper 1 where the screen is slightly loaded
When the horizontal screw conveyor 2f is started after the diagonal screw conveyor 4, an overcurrent flows for a certain period of time at the time of starting.
The current gradually reaches the set value, but the timer
When the timer TI is set and the timer TI times up, the next detector 81 is activated, but when it detects a sound that exceeds the set value, the horizontal screw conveyor 2 stops. When this detector 81 does not detect that the value has exceeded the set value, the horizontal screw conveyor 2 continues to be driven. When the horizontal screw conveyor stops, timer T snow starts operating,
After the set time has elapsed, the horizontal screw conveyor 2 is restarted. This is true even if the horizontal screw conveyor stops #
Since the horizontal screw conveyor is driven by the lli+ screw conveyor, the over-pressing of the horizontal screw conveyor by the inclined screw conveyor is gradually eliminated, and this over-pressing is eliminated after the power supply time has elapsed. This operation, that is, the horizontal screw conveyor, is used to send out the screen residue in the hopper in fixed quantities.

If screen scraps are not fed into the receiving hopper, the amount of screen scraps will decrease over time due to fixed amount feeding, and the hopper will become empty. Hence the horizontal screw conveyor! is restarted (
Or start) even if the detector day! When the no-load power consumption flt (IIiL power) value is detected at
8 begins to operate. Even if this timer T8 starts operating, the time required by the timer TI to completely remove the screen scraps remaining in the horizontal screen conveyor U'''fM4 without stopping. Then, when the timer TIK and the set time elapse, the horizontal screw conveyor 2 stops, but the inclined screw conveyor 4F is driven.After the horizontal screw conveyor stops, the timer T4 starts operating. The inclined screw conveyor is driven for the time set, and the timer T4 is set to time up after the screen residue remaining in the conveyor is completely discharged, so that the inclined screw conveyor stops due to this time up. 1. Determine when to finish the feeding (feeding) work of screen waste.

On the other hand, the F1# according to the present invention has the advantage that even if a large amount of fibrous material such as screen waste is introduced into the hopper, quantitative cutting and efficient rc L can be performed automatically.

[Brief explanation of the drawing]

JR1 is a front view showing an embodiment for carrying out the method of the present invention, #! ! The figure is an automatic operation flow diagram, and Figure 1 is an explanatory diagram of the noise prevention device, ill! Figure 4 shows the electric fi% characteristic diagram when the screw conveyor is started. 100. Receiving hopper, horizontal screw conveyor s, i, driving wJ device 410. Inclined screw conveyor 600. Anti-singing board

Claims (1)

[Claims] In the fibrous residue quantitative supply device, which has a horizontal screw conveyor and an inclined screw conveyor in the hopper, the inclined screw conveyor is continuously operated to supply the residue in fixed quantities C) The horizontal screw installed at the bottom Conveyor σ] Electric machine load capacity is detected, and when the value is -51i4 or higher, the motor is stopped, and a timer restarts the horizontal screw conveyor after a certain period of time has passed since the horizontal screw conveyor stopped, and the horizontal screw conveyor σ When the electric motor is within the set value, the electric motor is driven continuously, thereby maintaining the force of pressing the residue against the inclined screw conveyor side by the horizontal screw conveyor, thereby enabling a fixed quantity supply method by the inclined screw conveyor. A method for quantitatively supplying residue using a screw conveyor.