JP6065257B2 - Bean separation device - Google Patents

Description

  The present invention relates to a bean separation apparatus that separates beans from a mixed state of peeled beans and the peels after the step of removing the peels from the soaked beans.

  The present applicant has developed and put into practical use a bean peeling machine that removes the soaked bean skin. Furthermore, a bean sorting device (bean separation device) that sorts (separates) beans from the mixed state of the peeled beans and their peels when the peeled beans and their peels are collected together. Developed (Patent Document 1).

JP 2011-050260 A

  The bean sorting device (bean bean separation device) disclosed in Patent Document 1 has a vibration unit that vibrates a rotating rod, has a configuration that is slightly complicated, and has a problem that operation noise is slightly loud.

  Accordingly, an object of the present invention is to provide a bean separation device that separates the beans and the peel from the peeled beans and the mixture of the peels with a more simplified configuration and a low operation sound. There is to do.

In order to achieve the above object, a bean separating apparatus of the present invention comprises two rollers in a bean separating apparatus for separating the bean and peel from a peeled bean and its mixture of skins, the two rollers being The circumferential surfaces of the two rollers are in contact with each other and arranged parallel to and inclined in the axial direction, rotate in opposite directions, rotate from the top to the bottom in the contact portion of the circumferential surface, and Of the upper beans and the skin peeled from the beans, the skin is drawn from the contact portion of the peripheral surface and discharged downward, and the beans are transported in the axial direction on the peripheral surface and fall from the end portion of the shaft. Each of the two rollers has at least one groove extending in the axial direction, and the groove has a width and a depth so that the beans and the skin are caught without being fitted into the groove.

  According to the bean separation device of the present invention, only the beans can be reliably separated from the peeled beans and the mixture of the peels. This can be realized with a simple configuration, and operation noise is reduced.

It is a figure which shows the structural example of a bean molting apparatus. It is a figure which shows the structural example of a bean molting apparatus. It is a figure which shows the state of the soybean in a clearance gap. It is an example of composition of a bean separation device in this embodiment. It is a figure explaining the separation operation | movement of the bean and skin of the bean separation apparatus in this Embodiment. It is a figure which shows the groove | channel of a roller.

  Embodiments of the present invention will be described below with reference to the drawings. However, such an embodiment does not limit the technical scope of the present invention.

  The bean separation device according to the present embodiment is disposed in place of a recovery box at the bottom of the bean peeling device configured as shown in FIGS. 7, 8 and 9 of Patent Document 1 (Japanese Patent Laid-Open No. 2011-050260), for example. The beans peeled by the peeling machine and the mixture of the peels fall into the bean separating apparatus. Prior to the description of the bean separation apparatus in the present embodiment, the bean peeling apparatus of Patent Document 1 will be briefly described.

  1 and 2 are diagrams showing the configuration of the bean molting device shown in FIGS. 7 and 8 of Patent Document 1. FIG. This bean peeling apparatus includes a coil spring 50, a shaft 52 that is inserted so as to penetrate the inner peripheral side of the coil spring 50, a rubber cylinder member 54 that covers the outer peripheral side of the coil spring 50, and the coil spring 50. And a drive motor 56 that is rotationally driven. The drive motor 56 is coupled to the upper end portion of the shaft 52, and a collection box 62 is disposed at the lower end portion of the shaft 52.

  The operation of this bean peeling machine is as follows. The coil spring 50 is rotated by the drive motor 56. The rubber cylinder member 54 does not rotate with the coil spring 50, and the coil spring 50 rotates while contacting the inner peripheral surface of the rubber cylinder member 54.

  The soybeans introduced from the upper opening of the hopper 60 fall from the lower opening and fall into the gap between the shaft 52 and the rubber cylinder member 54.

  FIG. 3 is a diagram showing the state of soybean in the gap (FIG. 9 of Patent Document 1). The coil spring 50 rotates so as to move the soybean in the gap downward, and as the coil spring 50 rotates, the soybean in the gap moves to the shaft 52 as shown in FIG. While being in contact with the inner peripheral surface of the rubber cylinder member 54 and the inner peripheral surface of the rubber cylindrical member 54, the coil spring 50 moves downward so as to be pushed from above. During the downward movement, as shown in FIG. 3B, the soybean skin is caused by the frictional action caused by the contact between the soybean and the peripheral surface of the shaft 52 and the inner peripheral surface of the rubber cylindrical member 54. Peels off.

  When the soybean reaches the lower end position of the gap, the soybean is released from the gap and falls and is collected in the collection box 62. The separated peel remains as it is in the gap, and the separated peel is pushed out together with the soybeans to the lower end, so that the beans from which the peel is separated and the peel fall together in the collection box 62 and are collected.

  In this way, when the soybean from which the peel has been separated and the peel are collected together, the bean separation device in the present embodiment described below peels the peel from the mixed state of the soybean from which the peel has been separated and the peel. Isolate only the beans.

  FIG. 4 is a diagram illustrating a configuration example of the bean separation device according to the present embodiment, in which FIG. 4 (a) is a top view, FIG. 4 (b) is a side view, and FIG. 4 (c) is a front view.

  The bean separating apparatus includes a frame-shaped main body 10, a receiving port 11 for receiving a mixture of beans and skin falling on the upper portion of the main body 10, and at least two rollers 12 (4 in the figure) attached to the main body 10 in a horizontal and parallel manner. And a drive mechanism unit 13 including a motor and a gear mechanism for rotating the roller 12. The rollers 12 are arranged in parallel to each other in the axial direction, and are arranged so that the peripheral surfaces of adjacent rollers are in contact with each other. Further, at least the main body 10 and the roller 12 are disposed so as to be inclined in the axial direction of the roller 12 (an angle of about 15 degrees, for example).

  The rollers 12 are arranged so that their peripheral surfaces are in contact with each other, and the drive mechanism 13 rotates the rollers 12 at a high speed of about 1000 to 3000 rpm, and the adjacent rollers 12 rotate in opposite directions.

  FIG. 5 is a diagram for explaining the bean and skin separating operation of the bean separating apparatus according to the present embodiment. The mixture of beans and skins that have fallen on the rotating roller 12 bounces on the circumferential surface of the rollers 12 due to the rotation of the roller 12, and the mixed state of the beans and skin is loosened. It is drawn into the contact portion between the peripheral surfaces of the rollers rotating downward from above, and is discharged downward from the contact portion. On the other hand, the beans fall on the inclined surface of the inclined roller 12 while jumping on the peripheral surface of the roller 12, and when reaching the shaft end of the roller, it falls downward and is stored in the container. In this way, the beans and the skin are separated, and only the beans can be efficiently recovered. As described above, since the separation is possible only by the rotation of the roller without using the vibration means, the configuration is simple and the operation noise is reduced.

  As shown in FIG. 4, in the case where four rollers 12 are arranged in parallel, the contact portions (center contact portions) on the peripheral surfaces of the two middle rollers 12 rotate from the lower direction to the upper direction. Therefore, inside the receptacle 11, the mixture of beans and skin is not dropped into the central contact portion, but is guided to the contact portions on both sides (contact portions whose peripheral surfaces rotate downward from the upper side). A branch member 11a is arranged.

  Each roller 12 has dimensions of, for example, a diameter of about 30 to 40 mm and a length of about 250 mm, is urethane-lined, and preferably has a groove formed in the axial direction. The material of the lining is not limited to urethane, but may be other appropriate elastic material. For example, the groove has a width of 2 to 3 mm and a depth of 1 to 2 mm, and at least one groove is formed on the peripheral surface of each roller.

  FIG. 6 is a view showing the groove of the roller, and shows a state in which the peripheral surface of the roller 12 is developed on a plane. As an example, a plurality of grooves 12a of the roller 12 are formed in the axial direction or at a slight angle (about 10 to 30 degrees) from the axial direction. By forming the groove, the beans and the skin that have fallen on the rotating roller 12 are caught in the groove and jumped so as to jump on the roller 12, so that the mixed state of the beans and the skin is easily loosened. As a result, for example, even when the skin is placed on the beans, the beans and the skin are separated on the roller, the skin comes into contact with the roller, and is securely pulled into the contact portion of the roller peripheral surface, so that the skin is removed. Can be separated from beans.

  As described above, the bean separation device according to the present embodiment includes at least two rollers, and the two rollers are arranged in parallel so that their peripheral surfaces are in contact with each other and parallel and inclined in the axial direction, and are opposite to each other. Rotate in the direction and rotate from top to bottom at the contact portion of the peripheral surface, and pull the skin from the contact portion of the peripheral surface among the beans on the peripheral surface of the two rollers and the peel peeled from the beans And the beans are transported in the axial direction on the peripheral surface and fall from the end of the shaft.

  In the above-described embodiment, moulting of soaked soybeans has been described as an example. However, the present invention is not limited to soy beans and can be applied to other soaked beans such as green soybeans.

  The present invention is not limited to the above-described embodiment, and there are design changes within a range that does not depart from the gist including various modifications and corrections that can be conceived by those having ordinary knowledge in the field of the present invention. Of course, it is included in the present invention.

  10: frame, 11: receiving port, 12: roller, 12a: groove, 13: drive mechanism, 50: coil spring, 52: shaft, 54: rubber cylinder member, 56: drive motor, 60: hopper, 62: recovery box

Claims (1)

In a bean separation device that separates the beans and peels from the peeled beans and the mixture of the peels,
Two rollers are provided, and the two rollers are arranged in parallel so that their circumferential surfaces are in contact with each other in parallel and inclined in the axial direction, rotate in opposite directions, and from top to bottom in the contact portion of the circumferential surface Of the beans on the peripheral surfaces of the two rollers and the skin peeled off from the beans, the skin is drawn from the contact portion of the peripheral surface and discharged downward. Each of the two rollers has at least one groove extending in the axial direction, and the groove has such a width that the beans and the skin are caught without being fitted into the groove. A bean separator characterized by depth .

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