JP2000000523A - Apparatus for removing foreign matter contained in granular food - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a miniaturized and economical apparatus for removing foreign matters contained in a granular food such as rice and the likes, and capable of reliably removing foreign substances such as bran balls at sufficiently high operation speed. SOLUTION: Foreign matter sorting parts A, B are so installed as to be gradually inclined downward from the position of throwing food by a pipe 20, wires 32 are extended in the inclining direction of the respective foreign matter sorting parts A, B, the wires 32 are so inclined at 5-10 degree downward in parallel at 3-5 mm equal intervals as to form gradually inwardly inclined faces. While being moved along the wires 32 of the respective foreign matter sorting parts A, B, thrown granular food such as rice and beans is dropped through the neighboring wires 32 and at the same time mixed with the thrown food. Foreign matters such as bran balls and the likes are prevented from passing through the wires and separated to remove foreign matters contained in the granular food.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foreign matter sorting section in which a wire is stretched, and granular foods such as rice and soybeans are put into the foreign matter sorting section. Removal of foreign substances mixed into granular foods by preventing the passage of foreign substances such as bran balls, fiber fragments, part of missing parts and dropped parts, and selecting foreign substances and removing foreign substances mixed into granular foods Related to the device.

[0002]

2. Description of the Related Art In the process of putting brown rice into white rice and placing it in a rice bag, for example, bran attached to rice sticks to a side wall in the course of the path, and the accumulated rice falls due to a change in temperature or humidity to become rice balls. May be mixed into rice.

In some cases, rice is once put in a cloth bag during the work process. However, when the rice is again taken out of the cloth bag and the work is continued, the fiber pieces of the cloth bag may be mixed into the rice. On the other hand, when a mechanical trouble occurs, a part of the component may be lost and mixed into the rice, or a part of the mechanical component may be dropped and mixed into the rice.

Therefore, conventionally, a centrifugal separation method or an electrostatic separation method is used to remove foreign substances such as bran balls, fiber fragments, a part of missing parts, and falling parts, which are mixed in rice. There is. However, the conventional foreign matter removing device using the centrifugal separation method or the electrostatic separation method has a problem that the device becomes large and expensive.

[0005] On the other hand, among conventional ones, there is one that is small and inexpensive, for example, as shown in FIG. In the apparatus for removing contaminant foreign matter shown in FIG.
The two foreign matter sorting units 1 and 2 are provided with the distributing unit 3 interposed therebetween, and the rice fed from the pipe 4 is evenly distributed by the distributing unit 3 and sent to the foreign matter sorting units 1.2. Thus, foreign substances mixed into rice are prevented from passing therethrough, and foreign substances are sorted out, and foreign substances mixed into rice are removed.

[0006]

However, in the apparatus for removing contaminants as shown in FIG. 6, if the mesh of the wire mesh is made small in order to surely remove the contaminants, the flow of rice becomes worse and the work speed decreases. It will be. For example, in a rice packing machine, according to experiments, one side of a cell must be 10 mm or more in order to secure efficient working speed.
In such a case, there is a problem that the foreign matter of 10 mm or less passes through the mesh, and it is difficult to reliably remove the foreign matter.

An object of the present invention is to provide an apparatus for removing foreign matter mixed in granular foods such as rice, which is small and inexpensive, has sufficiently high working speed, and can reliably remove foreign matter. It is in.

[0008]

For this purpose, the invention according to claim 1 is, for example, a foreign matter sorting section A formed by stretching a wire 32 as in the embodiment described with reference to FIGS.・ Pour granular foods such as rice and beans into B, and in the same foreign substance sorting sections A and B, prevent foreign substances such as bran balls, which are mixed in the input food, from passing through and sort foreign substances. In the apparatus for removing foreign matter mixed in granular food, which removes foreign matter mixed into the foodstuff, the foreign matter selection parts A and B are provided to be gradually inclined downward from the food loading position, and are stretched in the inclined direction to extend the wire rod 32. Are provided in parallel at equal intervals.

According to the first aspect of the present invention,
The granular food is put into the foreign matter sorting units A and B, and the food is dropped through the wire 32 while moving along the wire 32 at the foreign matter sorting units A and B. To prevent foreign substances from entering, and to remove foreign substances mixed in the granular food.

According to a second aspect of the present invention, there is provided a device for removing foreign matter mixed in granular food according to the first aspect of the invention, for example, as shown in the following embodiment shown in FIGS. The two parts A and B are provided side by side in a direction orthogonal to the inclination thereof, and the wire 32 is provided at each of the foreign matter selection parts A and B so as to be inclined obliquely so as to be gradually inward downward. It is characterized by the following.

[0011] In the invention according to claim 2,
The foreign matter that has been blocked by the foreign matter selection units A and B is collected and collected at the center in the width direction while falling along the wire 32.

According to a third aspect of the present invention, there is provided an apparatus 12 for removing foreign matter mixed into granular food according to the first or second aspect, for example, as shown in FIGS. A collection container 40 is provided adjacent to the lower end of the foreign matter sorting sections A and B and receives foreign matter that falls along the wire 32.

In the invention according to claim 3,
The foreign matter that has been blocked by the foreign matter sorting units A and B falls along the wire 32 and is received by the collection container 40.

According to a fourth aspect of the present invention, there is provided an apparatus for removing foreign matter mixed in granular food according to the third aspect of the present invention, for example, as shown in FIGS. At 40, the passage of foreign matter is blocked,
The food is provided with a food passing portion D through which the food passes.

In the invention according to claim 4,
The food that has entered the collection container 40 falls through the food passage section D, leaving only foreign matter in the collection container 40.

According to a fifth aspect of the present invention, there is provided an apparatus for removing foreign matter mixed in granular food according to the first aspect of the present invention, as shown in, for example, an embodiment described with reference to FIGS. Under the parts A and B, one or more secondary foreign matter sorting sections C are provided at one or more stages for preventing the foreign matter mixed in the food from passing therethrough and sorting the foreign matter and removing the foreign matter mixed in the granular food. It is characterized by that.

Further, in the invention according to claim 5,
The input food is passed through the foreign matter sorting sections A and B and one or more secondary foreign matter sorting sections C to remove foreign matter.

According to a sixth aspect of the present invention, there is provided an apparatus for removing foreign matter mixed in granular food according to the fifth aspect of the present invention, for example, as shown in FIGS. A wire is stretched over the target foreign matter sorting section C so as to intersect with the wire stretching direction of the upper foreign matter sorting sections A and B or the secondary foreign matter sorting section C.

In the invention according to claim 6,
The foreign matter in the input food is removed not only through the foreign matter sorting parts A and B but also through the secondary foreign matter sorting part C where the wires 32 and 36 extend.

[0020]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a schematic configuration of a rice packaging machine provided with a foreign matter removing device according to the present invention. In the figure, reference numeral 10 denotes a packaging machine main body indicated by a two-dot chain line.

The packaging machine body 10 includes a foreign matter removal device 12 according to the present invention, a rice reservoir 13 for finally removing foreign matter and receiving rice after the removal, a weighing machine 14 for weighing the rice, and a weighing machine 14 after weighing. Funnel 16 for guiding rice to rice bag 15, rice bag sheet 17
Is provided with a cutter 18 or the like that cuts off.

Then, rice from a tank (not shown) is introduced into the foreign matter removing device 12 through the pipe 20.
The rice from which foreign matters have been removed by the mixed foreign matter removing device 12 as described later falls into the rice reservoir 13.

The rice reservoir 13 is constituted by a pair of receiving members 23 which open left and right about a shaft 22. The rice on the rice storage 13 falls into the weighing machine 14 by opening the pair of receiving members 23 left and right. And it measures with the measuring machine 14,
Every predetermined amount is put into the rice bag 15 through the funnel 16.

The rice bag 15 is provided with a rice bag sheet 17 wound in a roll shape and supplied into the packaging machine body 10 sequentially from the rear. Then, cut into appropriate lengths with the cutter 18 and sequentially filter the funnel 1
6 and hold it upright with its mouth up. The rice bag 19 containing the rice is sequentially sent out from the front side by a conveyor (not shown).

As shown in FIG. 2, on the upper frame of the packaging machine main body 10, a rice input port 26 is formed in the center, which is surrounded by a wall plate 25 indicated by a two-dot chain line in FIG. I do. Inside the rice slot 26, there are inclined surfaces 27 on the left and right.
Is provided in the center in the left-right direction. Although not shown, large square openings are formed on the left and right sides of the distribution unit 28.

The foreign matter removing device 12 according to the present invention
In such a rice input port 26, both openings are provided so as to be closed. Reference numeral 30 in FIG. 2 denotes a first foreign matter sorting body provided in the mixed foreign matter removing device 12. As shown in FIG. 3, the first foreign matter sorting body 30 includes a frame 31 and a wire 32.

The frame 31 has an upper frame 31a and a lower frame 31b.
The arm 31d protrudes outward from both ends of the lower frame 31b. Also, a plurality of slits a are provided at equal intervals on the outer edges of the upper frame portion 31a and the lower frame portion 31b, respectively.
The latch part b is provided in order on the upper part.

Then, a wire 32 such as a piano wire is stretched over the slits a and the latching portions b, and about 5 to 10 degrees from the upper frame portion 31a to the lower frame portion 31b so as to be gradually inward. The two foreign matter selection parts A and B symmetrical about the rib 31c are provided side by side in the direction orthogonal to the inclination.

Thus, each of the foreign substance sorting sections A and B is provided so as to be gradually inclined downward from the food charging position at the tip of the pipe 20, and is stretched substantially in the inclined direction so that the wire rods 32 are equally spaced by 3 to 5 mm. Are provided in parallel.

The reference numeral 34 in FIG.
And a second foreign matter sorting body provided below the first foreign matter sorting body 30. As shown in FIG. 4, the second foreign matter sorting body 34 includes a frame 35, a wire 36, and two brackets 37.

The frame 35 has a plurality of slits c arranged in a side frame portion 35a. In addition, a piece of a bracket 37 in the shape of a square is attached to both ends of the one frame portion 35b,
The other piece protrudes upward.

Then, wires 36 such as a piano wire are provided in parallel at equal intervals of 4 to 10 mm on the slit c. In this way, a secondary foreign matter sorting section C is provided below the two foreign matter sorting sections A and B, which stretches the wire 36 intersecting with the direction in which the wire 32 is stretched.

Reference numeral 40 in FIG. 2 denotes a collection container. As shown in FIG. 5, the collection container 40 includes an elongated box frame 41 and a wire 42.

The box frame 41 has long frame portions 41a and 41 on both sides.
The height b is different, and is inclined from one long frame portion 41a to the other long frame portion 41b, and is bent outward from the upper edges of both short frame portions 41c to form latching pieces 41d. In addition, a plurality of slits d are provided side by side on the lower edge of both short frame portions 41c.

Then, a wire 42 such as a piano wire is provided in parallel at equal intervals on the slit d. Thus, a food passage portion D is provided at the bottom of the collection container 40 to prevent foreign matter from passing therethrough but allow food to pass therethrough.

Now, when assembling the first foreign matter sorting body 30, the second foreign matter sorting body 34, and the collection container 40,
As shown in FIG. 4, screws 44 are respectively passed from outside to screw insertion holes 37 a formed in the tip of the bracket 37 of the second foreign matter sorting body 34, and into the screw holes 30 a of the first foreign matter sorting body 30 shown in FIG. 3. Screw it in. Then, the first foreign matter sorting body 30 is provided rotatably about the screw 44 with respect to the second foreign matter sorting body 34.

The collection container 40 is inserted between the arm portions 31d of the first foreign matter sorting body 30, and the retaining pieces 41d are hung on the respective arm parts 31d to be detachably attached to the first foreign matter sorting body 30. Attach. At this time, the collection container 40
The upper edge of the long frame portion 41a does not protrude above the upper surface of the lower frame portion 31b of the first foreign matter sorting body 30.

Then, two of the assembled parts are prepared,
As shown in FIG. 2, each of them is put into the rice input port 26, and the second foreign matter sorting body 34 is placed on the rim of each opening to close the opening, and the opening and closing side of the first foreign matter sorting body 30. The tips are mounted on the inclined surfaces 27 of the distribution units 28 as shown in the figure.

As a result, when the rice from the tank is now introduced into the foreign matter removing device 12 through the rice inlet 26 through the pipe 20, the rice is evenly distributed on the inclined surface 27 of the distribution section 28, and each first foreign matter sorting body is provided. While moving along the wire 32 at the foreign matter selection units A and B of 30, the foreign matter such as bran balls, fiber fragments, a part of the missing parts, and the falling parts mixed into the rice while falling between the wires 32. To prevent foreign substances from passing through, and to remove various foreign substances mixed into rice.

In the illustrated example, foreign matters of 3 mm or more can be removed. Then, the foreign matter that has been prevented from passing through both the foreign matter sorting parts A and B is collected at the center in the width direction while falling along the wire 32, and is put into the collection container 40. Collection container 4
The rice that has entered 0 falls through the food passage D into the above-described rice storage 13, leaving only foreign matter in the collection container 40.

The foreign substances remaining in the collection container 40 are removed from the first foreign substance selection body 30 and turned over to be discarded. The empty collection container 40 is attached to the first foreign substance sorting body 30 again.

On the other hand, the rice dropped through the space between the wires 32 is
In the secondary foreign matter sorting section C of the second foreign matter sorting body 34, the wire 36
While falling through the space, the foreign matter mixed in the rice is also blocked and the foreign matter is sorted out, and the foreign matter that cannot be removed by the foreign matter sorting units A and B is removed.

The foreign matter that has been prevented from passing through the secondary foreign matter sorting section C is taken out of the second foreign matter sorting body 34 together with the first foreign matter sorting body 30 and discarded. The second foreign matter sorting body 34 after the foreign matter is discarded is mounted on the packaging machine main body 10 again together with the first foreign matter sorting body 30 and the like. When the foreign matter is discarded, the first foreign matter sorter 30 is rotated to remove the foreign matter from the second foreign matter sorter 34 without removing the second foreign matter sorter 34 together with the first foreign matter sorter 30 or the like. May be opened, and the foreign matter on the second foreign matter sorting body 34 may be pinched and taken out.

In the illustrated example, one secondary foreign matter sorting section C is provided below the foreign matter sorting sections A and B. In order to more completely remove foreign matter, the secondary foreign matter sorting section C is provided in a plurality of stages. It may be provided.

In the above-described example, the wire 31
2 and a foreign material selection unit A / B is formed, and a wire 36 is mounted on the frame 35 to form a secondary foreign material selection unit C.
However, the foreign matter sorting units A and B and the secondary foreign matter sorting unit C do not necessarily need to be configured by extending the wires 32 and 36 to the frame, but to extend to the other members other than the frame. Is also good.

As shown in the illustrated example, there is no need to connect the foreign matter sorting parts A and B and the secondary foreign matter sorting part C with the screws 44 or the like. Furthermore, the case where the input food is distributed by the distribution unit 28 has been described, but the distribution unit 28 is not provided, and the foreign matter selection unit A
Naturally, the present invention can also be applied to a mixed foreign matter removing device having only one set of B.

[0047]

Therefore, according to the invention as set forth in claims 1 to 6, the foreign matter selecting portion is provided to be inclined gradually downward from the food charging position, and is stretched in the inclined direction to arrange the wires at equal intervals. Provided in parallel, while moving the charged granular food along the wire at the foreign material selection section, it falls through between the wires, while blocking the foreign material mixed in the input food and sorting the foreign materials, Since the foreign substances mixed into the granular food are removed while sliding down, the flow of rice can be made smooth, and foreign substances such as rice balls can be crushed and hardly mixed into the food. Thereby, it is small and inexpensive, the work speed is sufficiently high, and foreign substances can be reliably removed.

According to the second aspect of the present invention, two foreign substance selection sections are provided side by side in a direction perpendicular to the inclination thereof.
At each of the foreign material sorting sections, the wire is provided obliquely so as to be gradually inward toward the bottom, and the foreign matter that has been blocked at each foreign matter sorting section is collected at the center in the width direction while falling along the wire. In addition, the collected foreign matter can be collected at the center in the width direction to facilitate disposal of the foreign matter.

According to the third aspect of the present invention, the collection container is provided adjacent to the lower end of the foreign matter sorting section, and the foreign matter that has been blocked by the foreign matter sorting section falls along the wire and is collected by the collection vessel. In addition, by taking out the collection container, the collected foreign matter can be easily disposed.

According to the fourth aspect of the present invention, the collection container is provided with a food passage portion for preventing the passage of foreign matter but allowing food to pass therethrough, and the food contained in the collection container is dropped through the food passage portion. Since only the foreign matter is left in the collection container, the foreign matter can be more reliably selected.

According to the fifth aspect of the present invention, there is provided a secondary device for preventing foreign substances mixed in foods from passing therethrough and selecting foreign substances below the foreign substance selecting section, and removing foreign substances mixed in granular foods. In order to remove foreign matters by providing a food foreign matter sorting section in one or more stages and passing the input food through the foreign matter sorting section and one or more secondary foreign matter sorting sections, in addition, the foreign matter sorting is more reliably performed. Can be done.

According to the sixth aspect of the present invention, the wire is laid on the secondary foreign matter sorting section in a manner intersecting with the wire extending direction of the upper foreign matter sorting section or the secondary foreign matter sorting section. The foreign matter in the input food is removed not only through the part but also through the secondary foreign matter sorting part where the wire passing direction intersects. In addition, the foreign matter can be more reliably sorted.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a rice packaging machine provided with a mixed foreign matter removing device according to the present invention.

FIG. 2 is a schematic configuration diagram of a mixed foreign matter removing device provided in the rice packaging machine.

FIG. 3 is a perspective view of a first foreign matter selecting body used in the mixed foreign matter removing device.

FIG. 4 is a perspective view of a second foreign matter sorting body used in the mixed foreign matter removing device.

FIG. 5 is a partially broken perspective view of a collection container used in the mixed foreign matter removing device.

FIG. 6 is a schematic configuration diagram of a conventional foreign matter removing device provided in a rice packaging machine.

[Explanation of symbols]

 Reference Signs List 12 Foreign matter removing device 26 Rice inlet 28 Distributing part 30 First foreign matter sorting body 32 Wire rod 34 Second foreign matter sorting body 36 Wire rod 40 Collection container A / B Foreign matter sorting part C Secondary foreign matter sorting part D Food passing part

Claims (6)

[Claims] 1. A granular food is put into a foreign material sorting section formed by stretching a wire, and the foreign matter is blocked by preventing the foreign matter mixed in the input food from passing through the foreign matter sorting section. In the device for removing contaminants mixed into granular foods for removing contaminants, the foreign material selection unit is provided to be inclined gradually downward from the food input position, and is stretched in the direction of inclination so that the wires are parallel at equal intervals. A device for removing foreign matter mixed into granular foods. 2. The foreign matter selection section is provided in a row in a direction orthogonal to the inclination thereof, and two wires are provided at each of the foreign matter selection sections so as to be inclined obliquely so as to be gradually inward downward. The apparatus for removing foreign matter mixed in granular food according to claim 1. 3. The apparatus for removing foreign matter mixed in granular food according to claim 1, further comprising a collection container adjacent to a lower end of the foreign matter sorting unit and receiving a foreign matter falling along the wire. . 4. The collection container is provided with a food passage portion which prevents passage of foreign matter but allows food to pass therethrough.
3. The apparatus for removing foreign matter mixed in granular food according to claim 1. 5. One or more secondary foreign matter sorting sections below the foreign matter sorting section for preventing foreign matter mixed in foods from passing therethrough and sorting foreign matters and removing foreign matters mixed in granular foods. The apparatus for removing foreign matter mixed in granular food according to claim 1, which is provided in a step. 6. The apparatus for removing foreign matter mixed in granular food according to claim 5, wherein a wire is stretched across the secondary foreign matter sorting section in a direction intersecting with a wire stretching direction of the upper foreign matter sorting section. .