Device for determining whether the particle size of virgin plastic pellets does not exceed the standard

Abstract

A device for determining whether the particle size of virgin plastic pellets exceeds the standard comprises a hopper body with an installation hole for mounting the device. The device includes: a chassis assembled into the installation hole; a front cover extending into the hopper is attached to one end of a main chassis, forming a working chamber inside; the front cover has a sliding surface at an angle to the central axis of the hopper and one or more connecting pipe holes on its lower edge; the outer surface of the sliding surface has at least one transverse elongated slot, and the inner surface of each slot has a guide tube; the guide tube contains... The unit has a material guide channel, with one end of the channel inlet connected to the transverse elongated slot and the other end of the channel outlet connected to the connecting pipe hole. The tube surface facing the main housing has a transparent inspection section that allows the material guide channel to be seen. At least one digital camera is installed in the working chamber. By detecting whether the virgin plastic particles fall into the transverse elongated slot, the digital camera entering the material guide channel takes pictures and transmits signals to the processor for judgment and detection, so as to avoid packaging and shipping virgin plastic particles with excessive particle size, and ensure that the quality control of materials used can be stable.

Claims

1. A device for determining whether the particle size of virgin plastic granules exceeds the standard, wherein virgin plastic granules produced by a plastic raw material manufacturer are fed into a hopper, and a bag is received from the hopper's outlet for filling and packaging; the hopper has a mounting hole on its wall, and a particle size determination device is installed in the mounting hole, the particle size determination device comprising: A chassis is assembled onto the mounting hole, consisting of a main body and a front cover at one end, forming an internal chamber. The cover of the front cover extends into the hopper and has a sliding surface at an angle to the central axis of the hopper. One or more connecting pipe holes are provided at the lower edge of the sliding surface, allowing the internal chamber to communicate with the inside of the hopper. On the outer surface of the sliding surface, corresponding to one transverse elongated slot penetrating through the connecting pipe hole, and on the inner surface of the sliding surface, each of the at least one transverse elongated slot is connected to a guide tube. Each guide tube has a guide channel inside its tube body, one end of which connects to the transverse elongated slot. The channel inlet of the elongated slot is connected to the channel outlet of the connecting pipe hole at the other end. The radial surface of the guide channel facing the main housing has a transparent inspection section that allows the interior of the tube to be seen and the status of the guide channel to be inspected. The length and width of the at least one transverse elongated slot are the length and width that the virgin plastic particles can fall into and pass through when the particle size does not exceed the standard. At least one digital camera is fixedly installed in the working chamber, with its lens facing the transparent inspection section of the guide tube. When the particle size not exceeding the standard determination device is activated, it can take pictures of the transparent inspection section and transmit the captured digital signal to the processor for judgment.

2. The device for determining whether the particle size of virgin plastic pellets exceeds the standard as described in claim 1, wherein, The angle between the sliding surface of the front cover and the central axis of the hopper is 25 to 75 degrees.

3. The device for determining whether the particle size of virgin plastic pellets exceeds the standard as described in claim 1, wherein, At least one transverse elongated slot is formed on the outer surface of the sliding material of the front cover. Each of the at least one transverse elongated slots has a chamfer formed at the opening position of the slot wall above the width of the slot.

4. The device for determining whether the particle size of virgin plastic pellets exceeds the standard as described in claim 1, wherein, The outer surface of the sliding material part of the front cover has three transverse elongated slots. The width of the three transverse elongated slots corresponds to the original particle size to the maximum allowable particle size of the virgin plastic particles. Specifically, the width of the first transverse elongated slot is defined to be smaller than the width of the second transverse elongated slot, and the width of the second transverse elongated slot is defined to be smaller than the width of the third transverse elongated slot.

5. The device for determining whether the particle size of virgin plastic pellets exceeds the standard as described in claim 1, wherein, The tube body of the feed tube has a notch on the surface facing the main housing, and a transparent cover is installed on the notch, which serves as the transparent inspection section.

6. The device for determining whether the particle size of virgin plastic pellets exceeds the standard as described in claim 1, wherein, The tube body of the feed tube is a fully transparent tube body, and the surface of the tube body facing the main box body is used as the transparent inspection section.

7. The device for determining whether the particle size of virgin plastic pellets exceeds the standard as described in claim 1, wherein, The material guide channel of the material guide pipe has at least one bend between the high-position channel inlet and the low-position channel outlet.

8. The device for determining whether the particle size of virgin plastic pellets exceeds the standard as described in claim 1, wherein, In the chamber of the chassis, there is an oscillator mounted on the front cover.

9. The device for determining whether the particle size of virgin plastic pellets exceeds the standard as described in claim 1, wherein, The machine's working chamber is equipped with at least one lighting fixture that illuminates the transparent inspection section of the feed tube.

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