JP2004160401A - Granule testing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a granule sorter with which a guide for falling and moving routes of rice grain groups can be aligned in a simple manner. <P>SOLUTION: The apparatus is provided with a position adjusting means (D) for freely position adjustably supporting a route forming portion located with a route inlet within the falling and moving route of a non-defective unit guiding route forming portion 2 for forming a non-defective unit guiding route and a defective unit guiding route forming portion 3 for forming a defective unit guiding route of the entire part of the guide (20) or of the guide (20). An operation unit (40) of the means (D) is formed operably from the outside of a casing. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention is directed to a granular material group transporting means for supplying a granular material group as an inspection target in a state of being layered and arranged in a plurality of rows to a defective object detection location in a falling state, and in the defective object detection location, the granular material group A defective particle detecting means for detecting, as a defective particle, a defective granular material or a foreign substance mixed in the granular material group, and arranging a good material guiding path and a defective material guiding path in a layer thickness direction of the granular material group. In the state, one of the good article guide path and the defective article guide path is detected in a state where the path entrance is located in the falling movement path of the granular material group dropped and supplied by the granular material conveying means. A guide disposed at a lower portion of the location, and separating a defective product into the defective product guide route and a non-defective product into the good product guide route based on a detection result of the defective product detection means. Separation means is housed in the casing. It was about granulate inspection apparatus.
[0002]
[Prior art]
Such a granular material inspection apparatus is used for separating a granular material group such as a rice grain group or a pellet group as an inspection target into a good product and a defective product. Defective rice grains, such as rice, and foreign substances, such as stone and glass, are detected as defective.
As a conventional example of the granular material inspection device, a chute for dropping and guiding a group of granular materials to a defective object detection position in a state of being arranged in a single layer and in a plurality of rows is provided as a granular material group conveying means, and a group of granular materials at the defective object detection position Optical detecting means for detecting a defective object is provided as a defective object detecting means, and in order to prepare a good object guiding path and a defective object guiding path in the layer thickness direction of the granular material group, the One of the article guide path and the defective article guide path is disposed at a position below the detection point in a state where the path entrance is located in the drop moving path of the group of granular materials supplied and dropped by the granular material conveying means. Is provided so that the path entrance of the good article guide path is located in the falling movement path of the group of particulates, and based on the detection result of the defective article detection means, air is blown to the group of particulates to detect the defective article. To the defective article guidance route One defective product other than the good product separation means for separating the good material guide path is provided, it had what is housed in the casing (for example, see Patent Document 1.).
Incidentally, in this conventional example, the route entrance of the good-goods guide route is located in the falling movement route of the granular material group. Some are located in the route.
[0003]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 2001-212527
[Problems to be solved by the invention]
In such a granular material inspection device, the route entrance of the good product guide route or the defective product guide route that locates the route entrance in the falling movement route of the rice flow group due to the assembly error of the guide body or the change of the inspection object, If it is not properly located in the falling movement path of the rice grain group, the rice flow group will not be able to be collected properly on the good or bad guide path of the guide, so the good goods guide path or It is necessary to adjust the position of the defective article guide path to the falling movement path of the rice grain group so as to be appropriate. Conventionally, generally, the guide body is attached by tightening a bolt and a nut on the inner side of the casing, and in order to satisfy the above-mentioned needs, for example, for inserting the bolt, The hole on the guide body side is formed in a long hole, and the position of the guide body is changed by changing the tightening position of the bolt with respect to the long hole, and the position of the path entrance of the good article guide path or the defective article guide path with respect to the falling movement path Was adjustable.
In the case of such a position adjustment configuration, in order to adjust the position of the path entrance of the good article guide path or the defective article guide path with respect to the falling movement path, the bolts and nuts are loosened in the casing and the guide body is adjusted. It is necessary to tighten the bolts and nuts while changing the position and holding the guide body whose posture has been changed, but it is necessary to perform the positioning work of the guide body in the casing, and also tighten the bolts and nuts If the guide is displaced on the way, the guide needs to be aligned again, and the positioning of the guide has been troublesome.
[0005]
SUMMARY OF THE INVENTION It is an object of the present invention to provide a granular material sorting apparatus that can easily adjust the position of a good product guide path or a defective product guide path with respect to a falling movement path of rice grains.
[0006]
[Means for Solving the Problems]
2. A granular material group conveying means for supplying a group of granular materials as inspection objects in a single layer state and in a state of being arranged in a plurality of rows to a defective object detection position in a falling state, and the granular material group at the defective object detection position. A defective particle detecting means for detecting a defective granular material of the group or a foreign substance mixed in the granular material group as a defective, a good-goods guide path and a defective-goods guide path in a layer thickness direction of the granular material group; In the state where the entrance of the path is located in the falling movement path of the granular material group supplied by the granular material conveying means, one of the good article guiding path and the defective article guiding path is provided in a line. A guide disposed at a location below the detection location, and based on a detection result of the defective detection means, a defective is provided on the defective product guide path and a good product other than the defective product is provided on the good product guide path. Separation means for separation is stored in the casing In granulate inspection device,
In the whole guide body or the guide body, a path forming portion that locates a path entrance in the falling movement path of the good article guide path and the defective article guide path is a layer thickness of the granular body group. Position adjustment means for supporting the position in the vertical direction is provided, and an operation unit of the position adjustment means is configured to be operable from outside the casing.
[0007]
In other words, the entire guide body, or a route forming portion where the route entrance is located in the falling movement route of the good product guiding route and the defective product guiding route (the good product guiding route is located in the middle of the falling moving route. The case is a route forming portion of the guide body that forms a good product guide route. If the defective product guide route is located in the middle of the falling movement route, it is a route forming portion of the guide body that forms a defective product guide route. ) Can be adjusted in the layer thickness direction of the granular body group by the position adjusting means. And since the operation of the position adjusting means can be operated from the outside of the casing, the simple operation of handling the position adjusting means from the outside of the casing allows the good guide body path or the defective article guide path with respect to the falling movement path. The position can be adjusted so that the path entrance is properly located. Accordingly, when the position of the entrance of the good or defective guide route with respect to the falling movement path is displaced, the position can be adjusted by operating the position adjusting means from outside the casing. It has been possible to obtain a granular material inspection device that can easily adjust the position of the guide route or the defective product guide route.
[0008]
According to a second aspect of the present invention, the position adjusting means guides both ends of the support frame supporting the guide body in the direction in which the granular material groups are arranged in a row in the layer thickness direction of the granular material group. A guide body, and a pair of screws that are provided along the guide body with one end connected to the support frame and the other end located near the outer surface of the casing, and configured to rotate the support frame by a rotation operation. And the operating part of the position adjusting means is configured as a rotary operating part located near the outer surface of the casing of the screw adjusting body.
That is, when adjusting the position of the entire guide body or the path forming portion where the path entrance is located in the falling movement path in the guide body in the layer thickness direction of the granular body group, the rotation operation unit located near the outer surface of the casing is required. It can be performed by operating. Further, by operating the rotation operating portion of one of the pair of screw adjusters, the one end side of the granular member group in the row forming direction in the path forming portion is set to the layer thickness of the particle group. The other end side in the row arrangement direction of the particulate group in the path forming portion can be changed in the layer thickness of the particulate group by operating the rotation operating part of the other screw adjusting body. The position can be changed in the vertical direction, and if necessary, the inclination of the entire guide body or the path forming portion that locates the path entrance in the falling movement path, that is, the inclination of the granular body group in the row direction is also Can be adjusted. Further, since the position adjusting means is adjusted by adjusting the amount of screwing by the screw adjusting body, fine adjustment can be easily performed, and a granular material inspection apparatus which can further easily adjust the position of the guide can be obtained.
[0009]
According to a third aspect of the present invention, the operating portion of the position adjusting means is located in the casing near an outer surface of the casing, and the casing has an opening for inserting and removing a rotary operation tool of the operating portion. It is characterized by:
That is, when operating the operation unit, the operation unit can be operated with the rotary operation tool inserted from the operation hole, and the operation of the operation unit is facilitated.
[0010]
According to a fourth aspect of the present invention, the guide body is divided and formed into a good product guide path forming portion forming the good product guide route and a defective product guide path forming portion forming the defective product guide route. The good product guide path forming portion and the defective product guide path forming portion are assembled to the supporting frame so that they can be sequentially attached and sequentially disassembled.
That is, when it is necessary to attach and detach the guide body from the device due to maintenance work such as cleaning work, not treating the guide body as a whole, but handling a plurality of path forming portions smaller than the entire guide body one by one, Since the guides can be sequentially attached and disassembled, the guides can be easily attached and disassembled in the inspection work. Further, since the guides need only be cleaned for a plurality of divided paths, the cleaning work is also easy. Thus, a granular material inspection device in which the guide body is easy to handle can be obtained.
[0011]
According to a fifth aspect of the present invention, the good product guide path forming portion and the defective product guide path forming portion lock and hold a portion positioned most inward of the apparatus to the support frame, and lock adjacent components to each other. By pressing, the good guide path forming portion and the defective guide path forming portion in a superposed state are pressed inwardly into the apparatus, and the superposed portions are superposed. Characterized in that a clamp means for holding the clamped state is provided.
That is, the good-goods guide path forming portion and the defective-goods guide path forming portion constituting the guide body can be assembled by locking the supporting frame and an adjacent one. The object guide path forming portions can be accurately maintained in a superimposed state, and the assembling work of the guide can be further simplified.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the granular material inspection device according to the present invention is applied to a granular material inspection device that performs defective detection and defective removal by using a group of rice particles, such as brown rice or polished rice, as an example of a particle group. The case in which it is performed will be described with reference to the drawings.
[0013]
As shown in FIGS. 1 and 2, a wide and plate-shaped chute 1 serving as a granular material group conveying means is installed at a predetermined angle (for example, 60 degrees) with respect to a horizontal plane. The rice grains k conveyed and supplied from the storage tank 7 provided by the feeder 9 are guided downward in a state where the upper surface of the chute 1 is arranged in a plurality of rows in the horizontal direction (see FIG. 3). Since FIG. 3 is an explanatory diagram of the operation, the arrangement of the device configuration is different from FIGS. 1 and 2 in some places. Here, the shooter 1 is a plane shooter formed on a flat guide surface over the entire width in the width direction. In the shooter 1, the purpose is to transfer the particles in a single layer state. However, even if the particles partially overlap depending on the flow state to form a two-layer state, the concept of the single layer state is included.
[0014]
The storage tank 7 stores a rice grain group k supplied from an external rice mill or the like, and a good or defective product that is re-sorted after the primary sorting process of the rice grain group k from the outside. The tank 7 is formed in a tapered cylindrical shape toward the lower end, and the supply amount of the rice grains k dropped from the storage tank 7 onto the feeder 9 to the shooter 1 is changed by changing the transport speed of the rice grains k by the vibration of the feeder 9. Adjusted. Note that normal rice grains are good, and defective rice grains such as colored rice and foreign matters such as stone and glass are defective.
[0015]
As shown in FIG. 3, in a falling movement path IK in which the rice grain group k is moved and dropped from the lower end of the chute 1, a defective object detecting portion C (hereinafter, referred to as a defective object detecting portion C) which detects the presence or absence of a defective object. J is simply set. The rice grain group k is configured to be conveyed so as to pass through the detection portion J formed wide along the width direction while being spread in the width direction.
[0016]
A front side linear light source 4B illuminating the front side (left side in FIG. 2) of the falling movement path IK, and a rear side linear light source 4A illuminating the rear side (right side in FIG. 2) of the falling movement path IK are provided. ing. Diffusion transmission plates 18A and 18B are disposed on the path of the illumination light connecting the linear light sources 4A and 4B and the detection point J, respectively, and cover the back side and part of the side of the linear light sources 4A and 4B. In this state, the curved diffuse reflection plates 20A and 20B having matte white paint on the inner surface are arranged. The illuminating means 4 for illuminating the detection position J with the two linear light sources 4A and 4B is configured.
[0017]
A front-side line sensor 5B that receives reflected light from the front-side linear light source 4B reflected on the front side of the detection location J, and illumination light from the rear-side linear light source 4A detects the detection location J. A rear-side line sensor 5A for receiving the light reflected on the rear side is provided, and the light-receiving means 5 for receiving the light from the detection point J is constituted by the two line sensors 5A and 5B.
Each of the linear light sources 4A and 4B includes a lower light source that illuminates the detection location J from obliquely below so as to illuminate the rice grain group k from a plurality of directions inclined with respect to the light receiving direction of each of the line sensors 5A and 5B. And an upper light source that illuminates the detection location J from obliquely above. The detection location J is thus illuminated from different directions by changing the illumination angle of the illumination light, and even if the rice grain group k is shifted laterally from the normal detection location J, the illumination is preferably performed in a uniform state as much as possible. I can do it.
[0018]
As shown in FIG. 5, the two line sensors 5A and 5B each include a plurality of light receiving elements 5a serving as a plurality of light receiving units for receiving light from the wide detection portion J along the width direction of the detection portion J. It is configured to be juxtaposed. In other words, the plurality of light receiving elements 5a whose light receiving target ranges are ranges p (for example, about one-tenth of the size of rice grains) smaller than the size of each rice grain of the rice grain group k are used as the wide detection points J. In line with each other.
Each of the line sensors 5A and 5B includes a monochrome CCD sensor unit 50 in which the light receiving elements 5a are arranged in a straight line, and an image of the rice grain group k at the detection location J on each of the light receiving elements 5a of the CCD sensor. The optical system 51 forms an image. For example, in FIG. 3, each light receiving information is sequentially extracted from each light receiving element 5a from the right end side to the left end side of the detection point J.
[0019]
A projection member 8 is disposed in the light receiving direction of each of the line sensors 5A and 5B and at a position on the back side of the detection point J and projects light toward each of the line sensors 5A and 5B. The projection member 8 includes a plurality of LED light-emitting elements 80 arranged in a dense state along the width direction of the detection location J, and a light-projecting side of an area where the plurality of LED light-emitting elements 80 are installed. And a diffusion plate 81 for diffusing the light emitted by the plurality of LED light emitting elements 80.
[0020]
As shown in FIG. 2, the front-side linear light source 4B and the front-side line sensor 5B are stored in one storage portion 13B, and the rear-side linear light source 4A and the rear-side line sensor 5A are stored in the other storage portion 13A. The two storage portions 13A and 13B are formed as a unitary box having a common side plate. Each of the storage portions 13A and 13B has a transparent window 14A and 14B made of a plate-shaped transparent glass on the side facing the detection point J. Have. That is, the linear light sources 4A and 4B and the line sensors 5A and 5B are accommodated in the accommodating portions 13A and 13B provided with the transmission windows 14A and 14B on the side facing the detection point J, respectively. , 4B illuminate the detection location J through the transmission windows 14A, 14B, and each line sensor 5A, 5B is configured to receive light from the detection location J through the transmission windows 14A, 14B. . In addition, a defective object detection unit C configured to detect a defective particle in the rice particle group k or a foreign substance mixed in the particle group from the illuminating unit 4 and the light receiving unit 5 as a defective. Although not shown in FIG. 2, a cleaning nozzle for blowing air along the longitudinal direction (perpendicular to the plane of FIG. 2) of the surface of each transmission window 14A, 14B to remove dust and the like adhering to the window surface. 26 (see FIG. 4).
[0021]
As shown in FIG. 3, at a separation point on the lower side of the detection path J from the detection point J of the falling movement path IK, defective substances such as rice grains and foreign substances determined to be defective based on the received light information at the detection point J are removed. An air blowing device 6 for blowing air to separate the falling moving route IK from the falling moving route IK is provided. Are arranged side by side in a state corresponding to each of the sections divided into a plurality of sections, and the ejection nozzle 6a of the section in which a defective object is present is operated.
Therefore, based on the detection result of the defective object detecting means C, the lower end portion of the chute 1 is separated by the air blowing device 6 for separating the defective item into the defective item guide path and separating the non-defective item into the non-defective item guide path. The group of rice grains k falling along the falling movement path IK travels directly without receiving the air blowing from the spray nozzle 6a and enters the good product guiding path, and the rice grains k received the air blowing. It is configured such that it is separated from the falling movement path IK of the group k and is separated into a defective entering the defective guide path.
[0022]
As shown in FIG. 6, the guide body 20 includes a good-goods receiving body 2 as a good-goods guide path forming part that forms a good-goods guide path, and a defective-goods guide path forming part that forms a bad-goods guide path. The defective port 3 is formed separately from the defective port 3, and the defective port 3 is located behind the good port 2 with respect to an inspection port 23 (see FIG. 1) described later. It is composed of a side defective receiving port 3A and a near-side defective receiving port 3B located on the front side of the good receiving port 2. The good-goods receptacle 2 has its path entrance positioned in the falling movement path IK of the rice grain group k, and the good-goods receptacle 2 formed into a tubular shape elongated in the width direction is formed by the layer thickness of the rice grain group k. It is arranged so as to be sandwiched between the back side defective receiving body 3A and the near side defective receiving body 3B in the vertical direction.
[0023]
Therefore, the good product falls directly on the good product receiving body 2 along the falling movement route IK, and the defective product separated from the falling movement route IK of the rice grain group k by the blowing of the air passes through the falling movement route IK. On the other hand, the rice grains guided to the front side defective receptacle 3B located on the side opposite to the injection nozzle 6a and bounced off the surrounding members, and the rice grains falling through the back side of the shooter 1 are the back side. It is configured to be received by the defective receiving body 3A. As shown in FIGS. 1 and 11, the good product received by the good product receiving body 2 is discharged from the route exit of the good product guide route, collected by the good product recovery body W1 located below, and Defective objects received by the side defective object receiving body 3A and the near side defective object receiving body 3B are discharged from the path exit side of the defective object guiding path and collected by the defective object collecting body W2 located below. It is configured as follows.
[0024]
As shown in FIGS. 1 and 11, an operation console 21 for displaying and inputting information is installed on an inclined portion F1 located in the upper front part of the machine frame F, and the feeder is mounted on a support table 14 provided at the rear of the apparatus. 9 is provided with a vibration generator 9A. The lower portion of the chute 1 is supported by the storage portions 13A and 13B, and the upper portion is fastened and fixed to the support base 14. The guide body 20 is supported by a frame 31 as a guide body extending from the front vertical portion F2 to the rear vertical portion F3 of the machine frame F. An inspection port 23 for the guide 20 is formed in a wall of the cover K in the layer thickness direction of the granular material group k. That is, a cover K as a wall covering the outer surface of the apparatus is attached to the machine frame F, and an upper cover body 19A that can swing open and close around a horizontal fulcrum located at an upper portion is provided on an upper front surface of the cover K. A removable lower cover body 19B is attached to the lower front part of the cover K, and the good-goods receiving body 2 and the back-side defective object receiving part are provided by the lower cover body 19B attached to the lower front part of the cover K. The inspection port 23 that can pass through each of the body 3A and the front-side defective object receiving body 3B is closed by the lower cover body 19B. Note that a casing is constituted by the cover K and the machine frame F, and the lower cover body 19B is provided with a viewing window (not shown).
[0025]
Next, the control configuration will be described. As shown in FIG. 4, a control device 10 using a microcomputer is provided. The control device 10 receives image signals from both line sensors 5A and 5B and operation information from the console 21 as input. I have. On the other hand, from the control device 10, a drive signal to the lighting circuit 19 for lighting the linear light sources 4A and 4B, and a drive signal to the plurality of first solenoid valves 11 for turning on and off each air supply to each injection nozzle 6a. A drive signal for the two second solenoid valves 12 for turning on and off the air supply to the two cleaning nozzles 26 and a drive signal for the feeder vibration generator 9A are output.
[0026]
Utilizing the control device 10, a judging means 100 for judging the presence or absence of a defective in the rice grain group k based on the light receiving information of the transmission and reflection line sensors 5A and 5B is constituted. When the detection light (transmitted light and reflected light) from the rice grain group k, that is, the amount of light received by the transmission and reflection line sensors 5A and 5B is out of the proper light amount range, the presence of a defective object is determined. Is configured.
Then, based on the defect discrimination information, when it is determined that there is a defective one among the rice grain groups k transferred to the detection positions J of the two line sensors 5A and 5B, the detection position J determines the injection nozzle. As the transfer time to the air injection position by 6a elapses, the falling defective object is blown from each of the injection nozzles 6a in the section corresponding to the position to separate it from the falling movement path.
[0027]
Next, a support structure of the guide body 20 will be described. As shown in FIGS. 6 to 11, in the guide body 20, the good receiving port 2 and the defective receiving port 3 which are formed separately are assembled so that they can be sequentially attached and sequentially disassembled. . The good-goods receiving body 2 is provided in a state where the entrance of the path is located in the falling movement path of the granular material group k supplied and dropped by the chute 1. It is arranged on both sides of the mouth body 2, and is configured such that the good-goods receiving body 2 and the defective-goods receiving body 3 are assembled in a form of being overlapped in the layer thickness direction of the granular material group k. The defect guide body 3 located on the crochet is locked and held by a support bracket 33 as a device-side locking portion, and the adjacent ones are locked to each other so that they are assembled in a form of being sequentially superimposed. Further, a clamp means 38 is provided for pressing the good-goods guide body 2 and the defective-goods guide body 3 in the superimposed state toward the inside of the apparatus and holding the superimposed state. As shown in FIGS. 1 and 2, the shooter 1 is provided with locked pieces 1 </ b> A to be locked to locking pieces 15 erected over the storage portions 13 </ b> A and 13 </ b> B at the lower left and right sides. The parts to be tightened 1B which are provided so as to protrude to the side and are tightened and fixed by the tightening part 15 provided on the support base 14 are provided at the upper left and right sides, respectively. The shooter 1 is configured to be detachable by releasing the tightening by the tightening portion 16.
[0028]
More specifically, as shown in FIGS. 6 to 10, the pair of frames 31 is formed of a frame member having a C-shaped cross-sectional shape, and is provided on both side walls of the casing in an upwardly inclined state. A pair of slots are provided in each case, and the slots 31a formed in the longitudinal direction are arranged so as to face each other. A guided member 32 is mounted on each frame 31 so as to be slidable in the longitudinal direction of the frame 31. Each guided member 32 has a pair of left and right support brackets 33 as support frames. Each is fixed through a long hole 31a. On the support bracket 33, the receptacle 20 can be placed in a state where the back side defective port 3A, the good port 2 and the near side defective port 3B are superimposed on each other in order. It is configured.
[0029]
As shown in FIGS. 6 and 7, a mounting portion 33 b for mounting the mounting portion 35 of the back side defective receptacle 3 </ b> A is formed on each support bracket 33 so as to extend forward. A bent portion 33a is formed at the front end of the mounting portion 33b as a device-side locking portion for locking the front end of the mounted portion 35.
On both sides of the back side defective receiving body 3A, a tongue piece on which a mounting portion 35 to be mounted on the mounting portion 33b protrudes upward from the upper surface of the main body of the back side defective receiving body 3A. At the front end of the receiving portion 35, an engaging portion 35a for engaging the second engaged projection 37 of the near-side defective object receptacle 3B is formed so as to protrude further upward. ing.
On both sides of the good-goods receiving body 2, a first engaged protrusion 36 that engages with the rear end of the placement portion 35 is formed to protrude laterally, and the near-side defective object is formed. On both sides of the receptacle 3B, a second engaged projection 37 that engages with the engaging portion 35a is formed to protrude laterally, and a clamp means 38 is provided on the upper surface.
[0030]
Therefore, as shown in FIG. 8, the back side defective receiving object 3A is locked and held by placing the placed portion 35 on the placing portion 33b in a state where the placed portion 35 is engaged with the bent portion 33a. The object receptacle 2 engages the first engaged projection 36 with the rear end of the placement portion 35 and mounts the main body of the good object receptacle 2 on the main body of the back side defective object receptacle 3A. The front-side defective object receiving body 3B engages the second engaged projection 37 with the engaging portion 35a and holds the main body of the near-side defective object receiving body 3B at a good object receiving position. It is configured to be locked and held by being placed on the main body of the mouth body 2, and the back side defective port 3 A, the good port 2, and the near side defective port 3 B are sequentially stacked. By tightening the clamp means 38 in the aligned state, the rear side defective receiving port body 3A and the non-defective receiving section 3A, which are placed one on top of the other, Body 2, and can be fixed in a state superimposed by pressing the front-side defect product receptacle body 3B in the apparatus inward.
[0031]
In other words, when the guide body 20 is to be removed, when the tightening of the clamp means 38 is released, each of the front-side defective receptacle 3B, the good receptacle 2, and the rear defective receptacle 3A is locked and held. After that, it can be removed in this order without any tools in the order of the near-side defective receptacle 3B, the good defective receptacle 2, and the far-side defective receptacle 3A. When the guide body 20 is attached to the apparatus, contrary to the case where the guide body 20 is removed, the back side defective receptacle 3A, the good receptacle 2, and the near side defective receptacle 3B are locked and held in this order. In this state, the operation is completed by tightening the clamp means 38.
[0032]
Next, the position adjusting structure of the guide body 20 will be described. As shown in FIG. 10, position adjusting means D for supporting the guide body 20 so as to freely adjust the position in the layer thickness direction of the rice grain group k are provided on both lateral sides of the guide body 20, respectively. Is a pair of the frames 31 for guiding both ends in the row direction of the group of granular bodies k in the support bracket 33a so as to be movable in the layer thickness direction of the group of granular bodies k, and one end is connected to the support bracket 33a; It is provided along the frame 31 with the other end located near the outer surface of the casing, and is constituted by a pair of rod-shaped screw-adjustment bodies 39 for screw-moving the support bracket 33a by a rotation operation. Further, each of the screw advancement members 39 provided on the left and right sides has a large-diameter portion 40 with a hexagonal hole configured as a rotary operation portion located in the casing near the outer surface of the casing, and the large-diameter portion with a hexagonal hole. The one end provided with the guide member 40 is connected to the cylindrical screw portion 17 on the fixed side so as to advance in a screwed manner, and the other end is rotatable relative to each other and moves integrally in the layer thickness direction of the granular material group k. 32.
[0033]
As shown in FIG. 9, the upper end portions of the pair of left and right frames 31 are connected to each other in a state of entering from the rear into the pair of left and right front vertical portions F2, respectively. An operation hole 41 for inserting and removing a hexagon wrench as a tool for rotating the large-diameter portion 40 with a hexagonal hole is formed on the front surface so as to correspond to the large-diameter portion 40 with a hexagonal hole.
Therefore, the large-diameter portion 40 with a hexagonal hole is located in the front vertical portion F2, and the large-diameter portion 40 with a hexagonal hole located in the front vertical portion F2 is located in front of the front vertical portion F2 that is outside the casing. By inserting a hexagon wrench into the operation hole 41 from the side and rotating it, the screw adjustment body 39 slides with respect to the frame 31 along the longitudinal direction of the frame 31, and the screw movement adjustment body 39 slides The guided member 32 slides along the longitudinal direction of the frame 31, and the back side defective receiving object 3 </ b> A, the good receiving object 2, which is supported on the support bracket 33 by the sliding movement of the frame 31, and the near side The side defect receiving body 3B is integrally slid along the longitudinal direction of the frame 31.
Therefore, when the path entrance of the good-goods receptacle 2 is displaced with respect to the falling movement path IK of the rice grain group k, the large-diameter portion 40 with a hexagonal hole from the outside of the casing is adjusted to operate. The positioning of the good-goods receptacle 2 can be performed. The large-diameter portion 40 with hexagonal holes is provided with scales 40a at regular intervals so that the operation amount and the position of the large-diameter portion 40 with hexagonal hole can be easily determined.
[0034]
(Another embodiment)
In the above embodiment, by rotating the large-diameter portion 40 with a hexagonal hole, the rear-side defective port 3A, the good port 2 and the front-side defective port 3B are integrated into the frame 31. Is configured to slide up and down along the vertical axis. However, by rotating the large-diameter portion 40 with a hexagonal hole, only the good-quality receptacle 2 is slid up and down along the frame 31. You may comprise.
[0035]
In the above-described embodiment, the case where the present invention is applied to the granular material inspection device that removes a defective object has been described. However, the present invention may be applied to a granular material inspection device that removes a good object. In other words, the guide body is provided with one defective object receiving body in which the path entrance is located in the falling movement path of the rice grain group, and a back good object receiving object located on the back side of the defective object receiving body with respect to the inspection port 23. It is composed of two good-goods guides: a mouth body and a front-side defective-goods receiving body located on the front side of the defective-goods receiving body with respect to the inspection opening 23, that is, the good-goods receiving body in the above embodiment. The mouth body 2 is defined as a defective receptacle, the back defective receptacle 3A is defined as a back good receptacle, and the front defective receptacle 3B is defined as a front good receptacle. Then, based on the defect determination information, if the presence of a defective product is not determined in the rice grain group k transferred to the detection positions J of the two line sensors 5A and 5B, that is, if the product is a good product, Air may be blown from the ejection nozzles 6a of the section corresponding to the position of the falling good product to separate it from the falling movement path.
[0036]
In the above-described embodiment, the defective receptacle 2 of the guide body 20 is composed of two parts, the rear defective receptacle 3A and the front defective receptacle 3B, but the front defective receptacle 3B. It may be constituted only by. In the support structure in this case, for example, an engagement portion is provided on both sides of the good-goods receiving body 2 so as to protrude upward from the upper surface of the main body of the good-goods receiving body 2, and is engaged with the engaging portion. A mating projection is formed, and an engaging projection that engages with the engaging projection is formed on both sides of the front-side defective receptacle 3B so as to protrude laterally. It is good to provide.
[0037]
In the above embodiment, rice grains such as brown rice or polished rice were used as an example of the granular body.However, as the granular body, other grains such as barley and buckwheat, and granular substances such as a resin pipette for molding processing may be used. Good.
[0038]
In the above embodiment, the rotary operation unit and the rotary operation tool are the large-diameter part 40 with hexagonal hole and the hexagonal wrench. However, for example, a large-diameter part with cross-hole and a cross driver may be used.
[Brief description of the drawings]
FIG. 1 is an overall side view of a fluid inspection apparatus. FIG. 2 is a side view of an essential part of the fluid inspection apparatus. FIG. 3 is a perspective view of an essential part of the fluid inspection apparatus. FIG. 4 is a block diagram of a control configuration. 5 is a view showing a light receiving range of the line sensor. FIG. 6 is an exploded side view showing a support structure of the guide. FIG. 7 is an exploded perspective view showing a support structure of the guide. FIG. 8 is a state in which the guide is supported. FIG. 9 is a side view showing a rotary operation unit. FIG. 10 is a cross-sectional plan view showing a support structure of a guide body. FIG. 11 is a partially cutaway front view of a granular material inspection device. ]
REFERENCE SIGNS LIST 1 shooter 2 good receiving part 3 defective receiving part 6 air blowing device 20 guide body 31 frame 33 support bracket 39 screw advancement part 40 large-diameter portion 41 with hexagonal hole 41 operation hole C defective detection means D position adjustment means IK Falling movement path J Detection point k Rice grain group

Claims (5)

A granular material group transporting means for supplying the granular material groups as inspection objects in a single layer state and in a state of being arranged in a plurality of rows to a defective object detection location in a falling state; Defect detecting means for detecting as a defective a foreign material mixed in the granular material or the granular material group, a good product guide path and a defective product guide path provided in a state where they are arranged in the layer thickness direction of the granular material group. One of the good-goods guide path and the defective-goods guide path is positioned on the lower side of the detection point in a state where the path entrance is located in the drop moving path of the granular material group supplied and dropped by the granular material transporting means. A guide disposed at a location, and separating means for separating a defective product into the defective product guide route and a non-defective product into the good product guide route based on a detection result of the defective product detection device. , Granular material stored in the casing A 査 apparatus,
The entirety of the guide body, or a path forming portion that locates a path entrance in the falling movement path of the good article guide path and the defective article guide path in the guide body, Position adjusting means for supporting the position in the layer thickness direction is provided,
A granular material inspection device, wherein an operation unit of the position adjusting means is configured to be operable from outside the casing. A pair of guides, wherein the position adjusting means guides both ends of the support frame supporting the guides in the row direction of the granular body group in a layer thickness direction of the granular body group; Are connected to the support frame and the other end is disposed along the guide body with the other end located near the outer surface of the casing, and a pair of screw adjustment bodies for screwing the support frame by a rotation operation. 2. The granular material inspection device according to claim 1, wherein the operation unit of the position adjustment unit is configured as a rotation operation unit located near an outer surface of the casing of the screw advancement unit. 3. The operation unit according to claim 2, wherein the operation unit of the position adjustment unit is located in the casing near an outer surface of the casing, and the casing has an operation hole for inserting and removing a rotation operation tool of the operation unit. Granular body inspection device. The guide body is divided and formed into a good product guide path forming portion forming the good product guide route and a defective product guide path forming portion forming the defective product guide route,
The said good thing guide path formation part and the bad thing guide path formation part are assembled | attached to the said support frame which supports the said guide body so that it can be attached sequentially and can be disassembled sequentially. A granular material inspection device according to any one of the preceding claims. The good product guide path forming portion and the defective product guide path forming portion lock and hold the most inwardly located portion of the apparatus in the support frame, and lock the adjacent ones together, thereby sequentially. It is configured to be assembled in the form of overlapping,
5. The clamp device according to claim 4, further comprising a clamp for pressing the good product guide path forming portion and the defective product guide route forming portion in an overlapped state toward the inside of the apparatus and holding the overlapped state. 2. The granular material inspection device according to 1.

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