JPS5856236Y2 - hopper device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a hopper device used for processing plastic waste and granular materials.

In conventional hoppers used for processing granular materials, there is a risk that the granular materials accumulated and compressed in the hopper may cause an arching phenomenon.

To prevent this, either vibrate the wall of the hopper, make the angle of the wall larger than the angle of repose of the powder or granules in the hopper, or install a vertical wall in the hopper and move the powder or granules along this wall. Measures such as dropping the material have been taken, but such methods have a complicated structure and are expensive.

On the other hand, recently, the treatment of plastic waste discarded from general households has become a problem, and if the above-mentioned hopper is used to treat the waste, the waste will contain a large amount of sheets. There is a risk that the particles may become entangled and cause an arching phenomenon, making it impossible to constantly discharge quantitatively from the outlet.

Since the above-mentioned means are insufficient to prevent this, it is necessary to push out the plastic waste that has caused the arching phenomenon directly by mechanical means, or to remove the clumped sheets.

In view of the above, the present invention aims to provide a hopper device that can always discharge quantitatively from a hopper. A hopper device comprising a conveyor having two flights is characterized in that a leaf spring is provided in the hopper, one end of which is fixed to the input port, and the other end of which projects between the flights of the conveyor through the discharge port.

An embodiment of the present invention will be described below with reference to the drawings.

In the figure, 1 is a hopper having an input port 2 and a discharge port 3;
4 is a conveyor having flies 1-5 which are movably provided at the bottom of the discharge port 3 and maintained at a constant pitch; 6 is a leaf spring provided in the hopper 1;
a is fixed to the inner wall of the input port 2, and the other end 6b projects between the flights 5 of the conveyor 4 through the discharge port 3.

Since the present invention has the above-described configuration, when the conveyor 4 is moved in one direction (in the direction of the arrow), the free end 6b of the plate 6 protruding between the flights 5 is engaged with the flight 5.

This flight 5 is in the upper position, i.e. the end 3 of the ejection [13]
When the leaf spring 6 reaches the position 5a close to the point 5a, the leaf spring 6 is bent into a deformed state 6' and released from the locked state, so that the leaf spring 6 returns to its previous state due to restoring force.

In this way, the leaf spring 6 is repeatedly vibrated by the flights 5 provided at a constant pitch, so that the deposits in the hopper 1 are agitated.

As a result, the deposits in the hopper 1 are quickly discharged onto the conveyor 4, thereby preventing the occurrence of arching.

As explained above, according to the present invention, it is possible to prevent the occurrence of the arching phenomenon in the hopper, so that deposits can always be quantitatively supplied from the hopper to the conveyor.

[Brief explanation of the drawing]

The drawing is a sectional view showing an embodiment of the hopper device of the present invention. 1...hopper, 2...inlet, 3...
...Discharge port, 4...Conveyor, 5...
...Flight, 6... Leaf spring.

Claims (1)

[Scope of utility model registration request] In a hopper device consisting of a hopper having an input port and a discharge port, and a conveyor provided below the discharge port and having a gutter flight, one end is fixed to the input port of the hopper, and the other end is connected to the above through the drain port. A hopper device characterized by having a protruding leaf spring between the flights of a conveyor.