JPS59143941A - Apparatus for detecting split grain - Google Patents

Abstract

PURPOSE:To enhance the detecting accuracy and detecting efficiency of a split grain, by forming discharge end parts of grain feeding grooves on grain flowing grooves, on which rice grains flow down in slanted manner, and forming a groove wall part on the side of grain feeding plate of each grain feeding groove, which links both end parts of each groove, on a low stripe wall, from which the excessive rice grains in the groove overflow by vibration. CONSTITUTION:Sample rice grains are conveyed to feeding-side end 25 of a grain feeding grooves 2 through a slanted vibrating grain feeding plate 20 from a feeding hopper 22. The rice grain 33 is conveyed between both groove wall parts 28 and 32 of the groove 2 by the vibration of a vibrating grain feeding gutter 3. The excessive rice grains overflow the upper surface of a low stripe wall 31, which is provided on the side of the grain feeding plate 20, by the vibration, and flows into a discharging end part 29, with a single rice grain being aligned accurately in a longitudinal running shape in the groove. The flowing direction of the rice grain is changed to the slant angle of slanted grain flowing gutters 5. The rice grain flows down smoothly and stably on a grain flowing grooves 4 of the slanted grain flowing gutters 5 without jumping and pass transparent windows 6, respectively. Thus the split grain is detected.

Description

[Detailed description of the invention] The present invention relates to an improvement of a shell split grain detection device.

The detection accuracy and detection ability of the split grain detection device vary greatly depending on the disturbance in the flow state of grains passing through the transparent window for detecting split grains, which is equipped with a light source and a light receiving element. It is important that the grains run longitudinally and smoothly without jumping at appropriate intervals.

In order to solve the above-mentioned drawbacks, the present invention has developed an inclined flow grain trough equipped with a translucent window for detecting shell-split grain, a vibrating grain trough equipped with grain feeding grooves, and a vibrating slanted grain trough equipped with a supply popper. In a detection device in which grain plates are connected in a related manner-C1, the groove wall portion on the grain feeding plate side provided at the feed side end of the grain feeding groove provided in the vibrating grain button is cut out to detect rice grains. The grain feeding groove is formed at the supply port, and the discharge side end of the grain feeding groove is formed as a grain groove in which rice grains flow downward overhead, and the grain feeding groove is connected between both ends of the grain feeding groove. By forming the groove wall on the side of the grain feeding plate into a low vein wall from which excess rice grains in the groove overflow due to the vibration action, the vibrating grain feeding gutter is provided with closely spaced rice grains to be discharged from the vibrating inclined grain feeding plate. Rice grains flow into the feed port cut out in the grain feeding groove and flow along the low vein walls of the grain feeding groove formed in the vibrating grain feeding gutter.
The rice grains are conveyed in a continuous motion, and the excess grains overflow from the upper surface of the wall, resulting in a flowing state of only a single grain.The rice grains are then flowed down into a grain groove provided at the end of the discharge side to maintain appropriate rice grain spacing and appropriate grain spacing. The grain flow direction is changed smoothly, so that the flow state of the rice grains passing through the transparent window provided in the inclined flow grain trough in the next step is not disturbed and is always maintained at a constant speed and at a constant interval. The objective is to develop and provide a high-performance device that can reliably and smoothly detect shell-split grains with high precision.

The present invention will be explained with reference to embodiment figures. Figures 1 and 2
In the figure, the reference numeral 1 in the figure is a box-shaped machine frame, and inside the machine frame 1, a vibrating grain feeding trough 3 provided with grain feeding grooves 2 for flowing rice grains in a longitudinal manner is installed in a horizontal structure. A slanted grain trough 5 is provided with grain grooves 4 that allow rice grains to flow down in a longitudinal manner on the discharge side, and a translucent window for detecting split grains is installed in the grain groove 4 of the grain trough 5. 6, and a light source 7 and a light receiving device 8 are installed above and below the transparent window 6.
The rice grains are arranged substantially opposite each other, and the rice grains are detected by the transmitted light of the rice grains flowing through the transparent window 6. The vibrating grain feeding trough 3 is provided with a vibrating device 9 at its lower part, and conveys the rice grains supplied to the grooves 2 of the grain feeding 13 to the discharge side by vibration, and transfers them to the grooves 4 of the inclined flow grain trough 5. One side of the slanted grain trough 5 is rotatably supported by a supporting leg 10, and the other end is provided adjacent to a discharge trough 11 provided in a separate frame 1. A curved support rod 12 is fixed to the lower side, and one end of the support rod 12 is connected to an inclination angle adjustment device 13 that moves up and down by rotating with a screw shaft and thread. A condenser lens 14 and a light source 7 are attached and fixed to the lower part of the transparent window 6 in the center of the light receiving device @8. '16C7) - A side end is provided adjacent to the light-transmitting window 6, and a pair of light receiving elements 17 are provided at the other side end.
, '+8 are provided. Further, each of the light receiving elements 17 and 18 is connected to a fuselage side rate indicator 19 on the upper part of the machine frame 1 by a copper wire. The grain feeding process for the vibrating grain feeding gutter 3 is carried out by disposing a C vibrating inclined grain feeding plate 20 horizontally in parallel with the vibrating grain feeding gutter 3, and a lower A supply popper 2 is provided in the side receiving part 21, and a guide wall 23 for guiding the rice grains is erected on the board surface. ] 24, and a grain supply port 2 provided at the supply side end 25 of the grain feeding groove 4 of the vibrating grain feeding plate 3.
6 are connected and formed integrally. 27 is a peripheral wall of the vibrating inclined grain feeding plate 20.

Next, regarding the grain feeding groove 2 of the vibrating grain feeding trough 3 (explanation)
Lee. The groove wall portion 28 on the side of the grain feeding plate 20 installed at the feeding side end 25 of the grain feeding groove 2 is rounded and cut out at the groove bottom to form the feeding port 26 for rice grains. The discharge side end 29 of the tMJ recording grain groove 2 is formed in the grain flow groove 30 from which the rice grains flow out, and the grain feeding groove 2 connecting the two ends 25 and 29 is formed. Groove wall portion 28 on the grain feeding TF220 side
is formed on the low vein wall 31 from which excess rice grains in the groove overflow due to the vibration action, 32 is a groove wall portion provided on the opposite side of the full wall portion 28 of the groove 20, and 33 is a rice grain.

With the above configuration, when sample rice grains (hulled rice, etc.) are put into the supply hopper 22 and the apparatus is started, the rice grains that have flowed down from the supply hopper 22 to the lower receiving part 21 of the vibrating inclined grain feeding plate 20 are The rice grains are conveyed upward by the vibration action of the grain feeding plate 20 to maintain a constant grain density, and while being guided by the guide wall 23, the rice grains are transported through the grain discharging port 24 provided on one side of the higher side of the plate. The rice grains are carried into the feed side end 25 of the grain feeding groove 2 provided in the vibrating grain feeding gutter 3 through the supply port 26 of the vibrating grain feeding gutter 3, and the rice grains are transferred to the other grain feeding groove 2 by the vibration action of the vibrating grain feeding gutter 3. As will be described later, the flow is carried out longitudinally and accurately arranged. The flow state of the rice grains in the grain feeding groove 2 is shown in FIG. Mouth 2
6 into the grain feeding groove 2, and the rice grains flow into both groove wall portions 2ε, 32I7 of the groove 2 by the vibration action of the vibrating grain feeding groove 3.
! ] is conveyed and flows to the discharge side end 29, and in the meantime, excess rice grains overflow from the upper surface of the low vein wall 31 provided on the grain feeding plate 20 side due to the vibration action, and a single grain is left in the groove. The rice grains flow into the discharge side end 29 in a longitudinal and precisely arranged manner. The rice grains in the grain flow groove 30 of the discharge side end portion 29 ensure an appropriate interval between rice grains while flowing down in the groove, and the flow direction of the rice grains is changed to the inclination angle of the inclined flow grain gutter 5. The rice grains smoothly and stably flow down without passing through the grain grooves 4 of the inclined flow grain trough 5, passing through the transparent windows 6, and the rice grains located in the transparent windows 6 pass through the transparent windows 6. is emitted from the lower light source 7 through the slit, and the plurality of light receiving elements 17 and 18 of the light receiving device 8 receive the emitted light, and the split grains are detected based on the brightness of the light, and The total number of grains passing through the window 6 is detected, the shell-split ratio is calculated, and the ratio is displayed on the shell-side ratio display 19.

In this way, the barrel S1j grain detection device of the present invention detects that the rice grains that have closely flowed into the supply port of the vibrating grain feeding gutter can be detected by the rice grains that are installed in the grain feeding gutter (along the low vein walls of the grain feeding grooves). While being transported @
The excess rice grains overflow from the upper surface of the wall to form a flowing state of only a single grain, and while the rice grains flow down the grain flow groove provided at the end of the discharge side, appropriate rice grain spacing and appropriate grain flow are performed. Since the direction is switched smoothly, the flow state of the rice grains passing through the transparent window provided in the inclined flow grain trough in the next step is not disturbed, and the rice grains are always kept at a constant speed and at a constant interval. It is possible to perform highly accurate detection of shell split grains by reliably flowing down the light-transmitting surface, and has the effect of greatly improving the detection accuracy and detection efficiency of shell split grains.

[Brief explanation of the drawing]

The drawings are illustrations of embodiments of the present invention. Figure 1 is a side sectional view of the vehicle loader, Figure 2 is a plan view of the main parts of this device, Figure 3 is an enlarged side sectional view of the main parts of the vibrating grain feeder, and Figures 4 and 5. , and FIG. 6 are front sectional views of each part of the photographic grain feeding trough. 1...Box-shaped rose frame 2...Grain feeding groove 3...
・Vibration feed M gutter 4... Grain flow groove 5... Inclined flow grain a 6... Transparent window 7... Light source
8... Light receiving device 9... Vibration device 10.
... Support leg 11 ... Discharge gutter 12 ... Support rod 13 ... Inclination angle adjustment device 14 ... Condensing lens 15
... Optical fiber 16... Optical fiber 17... Light receiving element 18... Light receiving cable 19.
・Indicator for shell side rate 20 ・Vibrating inclined grain feeding plate 21 ・
...lower side receiving section 22...supply hopper 23...
・Guide wall 24... Grain threshing port 25... Supply side end portion 26... Supply port 27... Peripheral wall
28... Groove wall part 29... Discharge side end part 30.
... Grain flow groove 31 ... Low vein wall 32 ... Groove wall portion 33 ... Rice grain patent applicant Fig. 1 Fig. 2 Fig. 3 Fig. 6 Fig. 5.1 Fig. 4

Claims (1)

[Claims] A vibrating grain feeding gutter equipped with grain feeding grooves that flow rice grains in a longitudinal manner is installed horizontally, and a body split is installed in the grain feeding grooves that flow rice grains vertically on the discharge side of the grain feeding gutter. A vibrating inclined feeder is equipped with a series of inclined flow grain troughs equipped with transparent windows for grain detection, a supply hopper on the lower side of the plate surface, and a grain discharging port on one side of the higher side of the plate surface. In a detection device in which a grain plate is formed, and the inclined grain feeding plate is arranged in parallel to the side of the vibrating grain feeding gutter and connected in relation to each other, supplying a grain feeding groove provided in the vibrating grain feeding gutter. A grain feeding groove is provided in which a rice grain supply port is formed by cutting out the groove wall portion on the side of the grain feeding plate provided at the side end portion, and the rice grains flow out overhead from the discharge side end of the grain feeding groove. and the groove wall on the side of the grain feeding plate of the grain feeding groove communicating between the two ends is formed into a low vein wall from which excess rice grains in the groove overflow by vibration action. Device.