JPH06143286A - Metering and supplying apparatus for resin raw material - Google Patents

Abstract

PURPOSE:To provide an apparatus for metering and supplying resin raw material which can accurately meter and supply the material such as plastic, etc., and discharge and supply the material after metering is finished. CONSTITUTION:An apparatus for metering and supplying resin raw material comprises a cylinder 4 having a discharge port 16 and a falling aiding unit 4' in a sleeve 3 including a supply port for supplying the resin raw material 1, a vertical driver 14 for vertically moving the sleeve 3, and further a punching pipe 6 having a vent hole 5 in the sleeve 3. A shell pipe 7 covering the hole 5 of the pipe 6 is provided, and a suction port 8 is provided at the pipe 7. The pipe 6 has a positioning plate 9 and a capacity adjuster 10 for setting a position of the plate 9 in the pipe 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resin raw material metering and feeding device which makes it possible to accurately meter and supply a resin raw material such as plastic, and to easily discharge and supply the resin raw material after the measurement is completed.

[0002]

2. Description of the Related Art Conventionally, when a fixed amount of a resin raw material such as plastic is supplied to a stirrer, a molding machine, or the like, it is necessary to use a device shown in FIG.
As shown in (1), the resin raw material 1 in the container 11 was measured by the level sensor 12. In addition, a so-called volume system in which a large number of boxes are provided on a rotating disk is used.

[0003]

However, in the conventional resin raw material measuring method using the level sensor 12, the container 1
The upper surface of the resin raw material 1 placed in 1 may be swelled or inclined at the central portion, or static electricity may reach the periphery of the container 11 and form a recess at the central portion. There was a drawback that it could not be done. In addition, there is a so-called volume type in which a large number of boxes are provided on the turntable, but this makes it impossible, for example, to measure less than one box because the minimum metering of one box is made constant. There were major drawbacks such as difficulty in adjustment and lack of speeding property in weighing.

[0004]

The resin raw material metering and feeding device of the present invention can be rotated as needed in a sleeve 3 having a feed port 2 for feeding the resin raw material 1 below. A cylinder 4 having a discharge port 16 or 26 'is provided, and the sleeve 3 is further provided with a punching pipe 6 having a vent hole 5, and a shell pipe covering the vent hole 5 of the punch pipe 6. 7, the shell pipe 7 is provided with a suction port 8, and the punching pipe 6 comprises a positioning plate 9 and a capacity adjuster 10 for setting the position of the positioning plate 9 in the punching pipe 6.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the drawings. 1 is a sectional view of a resin raw material metering and feeding device of the present invention, FIG. 2 is a partial sectional view of the resin raw material metering and feeding device shown in FIG. 1, which is supplying a resin raw material, and FIG. 3 is a second embodiment. FIG. 4 is a partial cross-sectional view showing the resin raw material being fed by the resin raw material metering and feeding device of FIG. 3, and FIG.
FIG. 6 is a partial sectional view showing the resin raw material being fed by the resin raw material measuring and feeding device of FIG. 5, and FIG. 7 is a view showing a conventional resin raw material measuring method.

The resin raw material metering and feeding device of the present invention has a sleeve 3 having a feed port 2 for feeding the resin raw material 1 below.
Is provided on the base 13, and the sleeve 3 is connected to the vertical drive device 14 such as an air cylinder via the arm 15. Inside the sleeve 3, there is provided a cylinder 4 having a discharge port 16 for discharging the resin raw material 1 and a drop assisting portion 4 ′ having an inclined surface below. And above the sleeve 3, the sleeve 3
A punching pipe 6 having a vent hole 5 of a size that does not allow the resin raw material 1 to pass through is continuously provided. A shell pipe 7 is provided so as to cover the vent hole 5 of the punch pipe 6. The shell pipe 7 is provided with a suction port 8 connected to a suction device (not shown). A positioning plate 9 and a capacity adjuster 10 for setting the position of the positioning plate 9 in the punching pipe 6 are provided in the punching pipe 6 through a flange 22 which is kept airtight by a packing 21, and the capacity adjuster 10 is mounted on a base 13. An upright stand 17 is supported by an arm 18 so that it can be moved up and down.

As shown in FIG. 2, when the position of the positioning plate 9 in the punching pipe 6 is determined by the capacity adjuster 10 and the air in the shell pipe 7 and the punching pipe 6 is sucked from the suction port 8, the supply port is The resin raw material 1 is sucked from 2 to fill the punching pipe 6. Next, the resin material 1 in the punching pipe 6 measured by the capacity adjuster 10 from the discharge port 16 opened by moving the sleeve 3 upward by the vertical drive device 14 is provided in the base 13 and the dropping port 13 '.
Eject more.

In another embodiment shown in FIG. 3, the vertical drive device 14 is omitted, and the cylinder 4 having the discharge port 16 and the drop assisting portion 4'is made rotatable by a rotating device 19 so that the cylinder 4 can be rotated.
A through hole 3'is provided on the opposite side of the supply port 2 of the bush 3, and a drop port 20 communicating with the through hole 3'is provided in the base 13.

In this apparatus, first, the supply port 2 and the punching pipe 6 are communicated with each other toward the supply port 2 of the cylinder 4 having the discharge port 16 and the drop assisting portion 4 ', and the air in the punching pipe 6 is discharged. When sucked, the resin raw material 1 is sucked from the supply port 2 to fill the punching pipe 6 with a predetermined amount. Next, as shown in FIG. 4, the cylinder 4 having the discharge port 16 and the drop assisting portion 4 ′ is half-turned by the rotating device 19, the discharge port 16 is directed to the drop port 20, and the volume is adjusted by the volume adjuster 10 from there. The resin raw material 1 in the punching pipe 6 is discharged through the through hole 3'provided in the sleeve 3.

In the third embodiment shown in FIG. 5, a cylindrical discharge port 23 is provided at the lower end of the cylinder 4 and a drop port 26 'is provided at the lower part thereof.
A slide type drop shirt 26 having the above is provided so that the slide type drop shutter 26 can be opened and closed by a hydraulic device 24 and the like, and the through hole 25 'of the top plate 25 and the plate are formed below the discharge port 23. Through-hole 27 'and bottom
It is provided so as to fit with the group of through holes 28 'of the sheet plate 28.

In this apparatus, first, when the air in the punching pipe 6 is sucked by communicating the supply port 2 with the punching pipe 6 toward the supply port 2 of the cylinder 4 having the discharge port 23, the supply port 2 The resin raw material 1 is sucked from the above to fill the punching pipe 6 with a predetermined amount. Next, as shown in FIG. 6, the upper drive device 14 moves the sleeve 3 upward to close the suction port 2 and the slide type drop shirt 26 at the bottom of the cylinder 4 having the discharge port 23. The outlet port 26 'is opened by using the power of 24 to connect the outlet port 23 of the cylinder 4 to the through hole 25' of the top plate 25, the through hole 27 'of the plate 27 and the through hole 28 of the base 28. ', The resin raw material 1 in the punching pipe 6 measured by the volume adjuster 10 is discharged from the discharge port 23. The resin raw material 1 is discharged.

[0012]

According to the present invention, the volume in the punching pipe 6 can be accurately determined by the adjuster 10, and the air can be supplied by sucking the air in the shell pipe 7 and the punching pipe 6 from the suction port 8. The resin raw material 1 can be sucked through the port 2 and filled in the punching pipe 6 in a predetermined amount. Then, the resin material 1 in the punching pipe 6 measured by the volume adjuster 10 from the discharge port 16 opened by moving the sleeve 3 upward by the vertical drive device 14
Therefore, the upper surface of the resin raw material 1 generated by the conventional method of measuring the resin raw material 1 using the level sensor 12 is swelled at the center, inclined, or attached to the periphery of the container 11 by static electricity. In addition, it was possible to eliminate the drawback that it was not possible to accurately measure and supply the product by forming a depression in the central part. Further, as in the second embodiment, the cylinder 4 provided with the drop assisting portion 4 ′ is directed toward the supply port 2 and the supply port 2 and the punching pipe 6 are communicated with each other to suck the air in the punching pig 6 , Supply port 2
After sucking the resin raw material 1 from the inside and filling the inside of the punching pipe 6, the cylinder 4 is half-rotated by the rotating device 19, and the slope of the drop assisting portion 4'provided in the cylinder 4 and the discharge port 16 are fitted to the sleeve 3 The device for discharging the resin raw material 1 toward the through hole 3'is effective when the resin raw material 1 is transferred by connecting a pipe or the like to the drop port 20. Also,
In this embodiment, there is an effect that the periphery of the drop port 20 can be simplified. Further, as in the third embodiment, the cylinder 4 is directed toward the supply port 2, the supply port 2 and the punching pipe 6 are communicated with each other, and the air in the punching pipe 6 is sucked, whereby the resin raw material 1 is supplied from the supply port 2. After suctioning and filling the inside of the punching pipe 6, the sleeve 3 is moved upward by the vertical driving device 14 to close the supply port 2 and the cylinder 4 having the discharge port 23.
Install the slide type drop cutter 26 at the bottom of the
4 is slid by using the power of No. 4 to open the drop port 26 'so that the discharge port 23 of the cylinder 4 is connected to the through hole 25' of the top plate 25, the through hole 27 of the plate 27 and the base 28. In the device for discharging the resin raw material 1 in the punching pipe 6 measured by the capacity adjuster 10 from the discharge port 23 of the cylinder 4 in accordance with the through hole 28 ', the discharge port 23 of the cylinder 4 and the slide type drop shutter 26 are arranged. The falling port 26 'is the cylinder 4
Since it is possible to completely discharge all of the measured resin raw material 1 through the punching vip 6 just under the punching vip 6 from the inside, the measured resin raw material 1 is discharged from the discharge port 16 of the cylinder 4 seen in the first embodiment of the present invention. It is possible to completely solve the problem related to the measurement accuracy that the resin material is scattered around the drop port 13 'when discharging 1 to the drop port 13', and a slight error occurs in the measurement. As an effect, it has an excellent effect in terms of measurement that the measuring time of the resin raw material can be speeded up.

[Brief description of drawings]

FIG. 1 is a sectional view of a resin raw material metering and feeding device of the present invention.

FIG. 2 is a resin raw material 1 of the resin raw material metering and feeding device of FIG.
FIG. 3 is a partial cross-sectional view showing a place where the gas is being discharged and supplied.

FIG. 3 is a diagram of a second embodiment.

FIG. 4 is a resin raw material 1 of the resin raw material measuring and feeding device of FIG.
FIG. 3 is a partial cross-sectional view showing a place where the gas is being discharged and supplied.

FIG. 5 is a diagram of a third embodiment.

FIG. 6 is a resin raw material 1 of the resin raw material measuring and feeding device of FIG.
FIG. 3 is a partial cross-sectional view showing a place where the gas is being discharged and supplied.

FIG. 7 is a diagram showing a conventional resin raw material measuring method.

[Explanation of symbols]

 1-Resin Raw Material 2-Supply Port 3-Sleeve 3'-Through Hole 4-Cylinder 5-Venting Hole 6-Punching Pipe 7-Shell Pipe 8-Suction Port 9-Positioning Plate 10-Volume Adjuster 13-Base 13 ' ~ Drop port 14 ~ Vertical drive device 15 ~ Arm 16 ~ Discharge port 17 ~ Stand 18 ~ Arm 19 ~ Rotating device 20 ~ Discharge port 21 ~ Buckin 22 ~ Flange 23 ~ Discharge port 24 ~ Hydraulic device 25 Tobfla -T 25'-through hole 26-sliding type drop shutter-26'-falling port 27-plate 27'-through hole port 28-base plate 28-through hole

Claims (3)

[Claims] 1. A cylinder 4 having a resin raw material 1, a sleeve 3 having a supply port 2 for supplying the resin raw material 1, a discharge port 16 provided in the sleeve 3 and a drop assisting portion 4 '.
A vertical drive device 14 for moving the sliver 3 up and down, a punching pipe 6 having a ventilation hole 5 connected to the sleeve 3, a shell pipe 7 covering the ventilation hole 5 of the punching pipe 6, and this shell A resin raw material metering and feeding device comprising a suction port 8 provided in a pipe, a positioning plate 9 inserted into the punching pipe 6, and a capacity adjuster 10 for setting the position of the positioning plate 9 in the punching pipe 6. 2. The sleeve 4 is provided with a cylinder 4 provided with a discharge port 16.
A resin raw material metering and feeding device configured to rotate inside and discharge the measured resin raw material 1 through a through hole 3 ′ provided in the sleeve 3. 3. A structure in which a lower end of a cylinder 4 provided in a sleeve 3 is opened in a cylindrical shape to form a discharge port 23, and a slide type shutter 26 having a drop port 26 'is provided below the discharge port 23. The resin material metering and feeding device according to claim 1.