JPH04100548A - Grain self-inspection device with quality meter - Google Patents

Abstract

PURPOSE:To automate the inspection of the grade of whole grains and to make said inspection impartial by taking out whole grains during the feed of whole grains to a packing apparatus along a feed path to inspect the same by a grade meter. CONSTITUTION:Sample unhulled rice for self-inspection is hulled to be separated into whole grains and immature grains and both grains are separately fed to a packing apparatus 5 by the same feed paths 3, 4. A predetermined amount of whole grains are taken out during feed on the way of the feed paths 3, 4 by a whole grain taking-out means 6 and the grade of the whole grains taken out by the means 6 is inspected by a grade meter 15. The taking-out operation of the means 6 is performed in response to the predetermined packing command signal of the packing apparatus 5. As a result, the grade of whole grains can be automatically inspected and this inspection can be made impartial. Further, the control of the taking-out operation of the whole grains of the whole grain taking-out means can be easily realized in low equipment cost.

Description

Detailed Description of the Invention (Industrial Application Field) The present invention receives grain from each producer, dries, selects, and
This invention is applied to a grain drying and preparation facility that ships grains after going through various processes such as storage, and the recipient collects a portion of the grain as a sample for self-testing, and relates to improvements to a grain self-testing device that self-tests the sample.

(Prior art) Conventionally, as an example of this type of device, when a dried sample for self-inspection is put into a weighing soba, its weight is measured with a scale, and then the rice is hulled with a huller. There is a known method in which the grains are then sorted into regular grains and immature grains using a grain sorter, and the respective weights of the regular grains and immature grains are measured using a weighing device. Then, these sorted grains and immature grains are separately conveyed to the packaging device through the same conveyance path.

(Problems to be Solved by the Invention) In such conventional devices, the quality of sorted particles was inspected by an inspector who took out a predetermined amount of sorted particles and visually inspected them. Moreover, there was a risk that the inspection would be subjective and lack fairness.

Therefore, in view of the above points, it is an object of the present invention to automate the quality inspection of particle size adjustment and to make the inspection fair.

(Means for Solving the Problems) In order to achieve the above object, the present invention was constructed as follows.

That is, the present invention provides a grain self-inspection device that hulls sample paddy for self-inspection, separates it into sized grains and immature grains, and transports these grains to a packaging device separately through the same transport path. is provided with a sized particle removal means for taking out a predetermined amount of the sized particles being transported, and a quality meter for inspecting the quality of the sized particles taken out by the sized particle removal means,
It is characterized in that the taking-out operation of the particle sorting and taking-out means is performed in response to a predetermined packaging command signal from the packaging device.

(Function) In the present invention configured as described above, when the sorted grains are being conveyed by the conveyance path from the grain self-inspection device to the packaging device, the sorted grain take-out means collects the sorted grains being transported by a predetermined amount. Take it out.

The taking-out operation of the size-sorting and taking-out means is performed in response to a predetermined packaging command signal from the packaging device.

The quality of the sized grains taken out by the sized grain removal means is automatically inspected by a quality meter.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

In Fig. 1, reference numeral 1 is a self-inspection device for grains, which measures the weight of sample paddy for self-inspection put into a hopper 2, hulls it, and then separates it into sized grains and immature grains. This is to measure the weight of each grain.

Reference numerals 3 and 4 each indicate a conveyance path, through which sorted grains and immature grains are conveyed separately from the grain self-inspection device 1 to the packaging device 5 by pneumatic conveyance or the like. A part of the sample rice put into the hopper 2 of the self-inspection device 1 is directly conveyed to the packaging device 5 via the conveyance paths 3 and 4 without undergoing any self-inspection.

Between the conveyance path 3 and the conveyance path 4, a particle size removal section 6 is provided as a means for taking out a certain amount of particle size particles being conveyed.

Next, the grain size taking-out section 6 will be explained with reference to FIG. 2.

In Fig. 2, 7 is a box that forms a space for taking out the sorted particles and has an air escape hole 8 at the top.An entrance is provided on the side wall of this box 7, and the end of the conveyance path 3 is connected to the opening. do. Two outlets are provided at the bottom of the box 7, one outlet is connected to the starting end of the conveyance path 4, and the other outlet is connected to the starting end of the branching path 9.

At the starting end of the branching path 9, there is a cup 1 for taking out a predetermined amount of sized particles.
0 is rotatably provided around a shaft 11 by a motor (not shown). This cup 10 is formed so that its opening faces into the box 7 only when receiving and taking the sorted grains, and the side wall closes the starting end of the branch path 9 at other times. And box 7
An inclined plate 12 is provided at a predetermined location within the cup 10 to guide grain size adjustment.

As shown in FIG. 1, the end of the branching path 9 is connected to a distributor 1 that distributes the sorted particles in three directions by switching operation of a directional switching valve.
Connect to entrance 3. A chute 14 is connected to each of the three outlets of the distributor 13, and the terminal end of each chute 14 is connected to each hopper of each quality meter 15, respectively.

The quality meter 15 irradiates each grain with light, measures the transmitted light and reflected light, uses a microcomputer to determine the transmittance, spectral ratio, and grain division, and determines whether the grain is of good quality, immature grain, damaged grain, or originally,
In addition to determining and sorting colored grains, the measured grains are graded.

The packaging device 5 is for packaging paddy, sorted grains, and immature grains individually and in series, and a conveyor 16 is connected to its discharge port.

Next, an example of the operation of the embodiment configured as described above will be explained with reference to the time chart of FIG. 4.

In this embodiment, as shown in FIG. 4, paddy, immature grains, and sized grains are transported from the self-inspection device 1 to the packaging device 5 via transport paths 3 and 4, respectively, in response to a packaging command.

Now, if the transportation of paddy is started at time t1, then the packaging device 5 starts packaging the paddy at time t2. Then, when the wrapping is finished at time t3, the conveyor 16
is driven for a predetermined period of time to convey the package.

Next, when the immature grains are transported at time t4, the packaging device 5 starts packaging the immature grains at time t5. Then, when the wrapping is finished at time t6, the conveyor 1
6 is driven for a predetermined period of time until time t7 to convey the package.

In this way, the period for processing paddy and immature grains is 1 cup.
0 is rotated approximately 90 degrees counterclockwise from the solid line position in FIG. is in a state of Therefore, during this period, the paddy and immature grains transported from the self-inspection device 1 to the packaging device 5 are not collected into the cup 10.

Then, at time t7, the motor that drives the cup 10 rotates forward, bringing the cup 10 to the position indicated by the solid line in FIG. 2, and this state is maintained until time t9.

In this way, at time t8 immediately after the cup 10 reaches the solid line position in FIG.
The particles are sorted or conveyed to the packaging device 5 via the granules, and a portion of the sorted particles (for example, 1000 particles) is collected by the cup 10 as follows.

That is, from the outlet of the conveyance path 3 to the box 7 of the size-sorted take-out section 6.
When the sized particles are discharged into the slanted plate 12, some of the sized particles are
The other particles are stored in the cup 10, and the other sized particles are transferred to the conveyance path 4.
to fall. In this way, when a predetermined amount of sized grains are collected into the cup 10, the sized grains that hit the inclined plate 12 fall into the discharge path 4.

Next, at time t9 when the transportation of the sized particles ends, the packaging device 5
Start packing the sized particles. Then, when the packaging ends at time tll, the conveyor 16 is driven for a predetermined period of time to convey the package.

Furthermore, at time t9, the motor that drives the cup 10 starts to reverse and return to its original state. And that time t9
When time tlO is reached after a predetermined period of time has elapsed, the distributor 13
The directional control valve is switched to a predetermined position, and the branch path 9
and a predetermined quality meter 15 are connected via a predetermined chute 14, and at the same time, the quality meter 15 also starts operating.

As a result, the sorted particles in the cup 10 are discharged into the branch path 9 and then guided to a predetermined quality meter 15 via the distributor 13 and the selected chute 14.

The quality meter 15 irradiates each grain of the grains supplied in this way with light, measures the transmitted light and reflected light, calculates the transmittance, spectral ratio, and grain size using a microcomputer, and determines the quality grains. ,
In addition to determining and sorting immature grains, damaged grains, and originally colored grains, the measured grains are graded.

Thereafter, this series of operations is repeated, and the three quality meters 15 are used according to a predetermined procedure.

In the above embodiment, one packaging device 15 and three quality meters 15 were used, but the number of packaging devices 15 may be three. In this case, a distributor having a switching valve that switches in three directions is required at the end of the conveyance path 4 shown in FIG.
The packaging command shown in Figure 4 can be used and its control is easy.

(Effects of the Invention) As described above, according to the present invention, while the sized granules are being conveyed through the conveyance path toward the packaging device, the sized granules are taken out, quality-metered, and inspected. Not only can the quality inspection be automated, resulting in labor savings, but also the quality inspection can be made fairer.

In addition, in the present invention, the sized and unloaded operation of the sized and unloaded means is performed in response to a predetermined packaging command signal from the packaging device, so that control is easy and production costs can be reduced.

[Brief explanation of the drawing]

Fig. 1 is a diagram showing the overall configuration of an embodiment of the present invention, Fig. 2 is a cross-sectional view of the grain size taking-out section, Fig. 3 is a perspective view of the cup, and Fig. 4 is a diagram showing the overall configuration of the embodiment of the present invention.
The figure is a time chart of an embodiment of the present invention. 1 is a grain self-inspection device, 3 and 4 are conveyance paths, 5 is a packaging device, 6 is a grain size removal section, 9 is a branch path, 10 is a cup, 1
5 is a quality meter. Diagram convex cause

Claims (1)

[Scope of Claims] A grain self-inspection device that hulls sample paddy for self-inspection, separates it into sized grains and immature grains, and transports these grains to packaging devices separately through the same transport path, comprising: is provided with a sized particle removal means for taking out a predetermined amount of the sized particles being transported, and a quality meter for inspecting the quality of the sized particles taken out by the sized particle removal means,
A self-inspection device for grains with a quality meter, characterized in that the taking-out operation of the grain size taking-out means is performed in response to a predetermined packaging command signal of the packaging device.