JP2000218177A - Grain treatment apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a rice milling machine which can prevent the leakage of the brain in a bran chamber during milling. SOLUTION: A separation basket 31 having an open upper surface having numbers of separation holes is placed in a container 21 having a rotary shaft 27 rotated by a driving mechanism 10 in an apparatus main body 1 to be able to go in and out. An agitation tool 41 is fitted to the shaft 27 and rotated in the basket 31, with rice in the basket 31 being agitated, bran is separated into a bran chamber C between the container 21 and the basket 31 through the separation holes of the basket 31 for milling. The basket 31 has a ring- shaped protruding flange 32c which hooks the bran chamber C from above to the upper end opening fringe 21a of the container 21 to close the upper end opening of the bran chamber C and is positioned close to the lower side of the flange to attach a ring-shaped rubber seal packing 48 to the periphery of the basket 31. The packing 48 has a lip part 48b being in elastic contact with the inside surface of the container 21, and the upper end opening of the container 21 is sealed by the lip part 48b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to brown rice, white rice, wheat,
The bran of the grain of buckwheat or the like (a germ, a bran layer and a starch layer peeled off from the grain, or a fine powder mixed with a seed coat or the like, and is hereinafter abbreviated as "bran") is a dry structure. And a grain processing device such as a household rice mill.

[0002]

2. Description of the Related Art A household rice mill has an apparatus main body in which a drive mechanism for rotating a rotating shaft is built in, a container integrally provided in the apparatus main body and having an open upper end, and a number of separation holes. In addition, a bran chamber is formed between the container and an inner surface of the container, and a separation basket that is removably accommodated in the container and is detachably attached to the rotating shaft disposed at a central portion in the container. And a stirring tool rotated in the separation basket. According to this rice milling machine, the brown rice housed in the separating basket is stirred by the rotation of the stirring device, and the rice bran produced from the brown rice is separated into the rice bran chamber through the separating hole of the separating basket while rubbing the rice with each other. You can mill brown rice.

[0003] In this rice milling machine, the separating basket to be put in and taken out of the container has an annular projecting flange that is hooked from above and overlaps the opening edge of the container. The top opening is closed.
Also, to make it easy to put the basket into and out of the container,
A handle made of a metal round bar is attached to the separating basket so that the handle can be turned upside down. The mounting end of the handle is inserted through the upper end peripheral wall of the separation car from the inside toward the outside, and the handle is rotated around the mounting end.

[0004]

In the structure in which the upper end opening of the bran chamber is closed only by the contact between the overhang flange and the opening edge of the container as described above, the overhang flange and the opening edge of the container are closed. Due to the unevenness of the flatness, it is not only difficult to ensure surface contact over the entire contact range, but also during the rice polishing, the separating basket is easily shaken by the movement of the rice stirred inside, so that the overhang flange and the container A gap is likely to occur on the mating surface with the opening edge.
Then, at the time of rice polishing, wind is generated also in the bran chamber outside the separating basket according to the rotation of the stirring device and the movement of the brown rice being stirred, and the bran separated by this wind rides and blows up the bran chamber, Some of them may leak to the outside through the gap between the mating surfaces of the overhang flange and the opening edge of the container.

[0005] Further, the fact that the separating car is provided with a handle,
It is excellent in that the separating basket can be easily put in and taken out of the container, but the tip of the mounting end of the handle projecting outward from the cage peripheral wall has an edge. However, there is a possibility that the edge may be touched by mistake when cleaning the separation basket, and the improvement is required.

Accordingly, a first object of the present invention is to provide a grain processing apparatus which can prevent the bran in a bran room from leaking outside during the milling of rice or the like.

A second object of the present invention is to provide a grain processing apparatus which can solve the first problem and also ensure the safety of handling of the separating basket.

[0008]

According to a first aspect of the present invention, there is provided an apparatus body having a drive mechanism for rotating a rotating shaft, the apparatus body being provided integrally with the apparatus body, or A container which is separate from the apparatus main body, is detachably attached to the apparatus main body, and has an open upper end; a plurality of separation holes; and a projecting flange which is hooked from above on an upper end opening edge of the container. And, a separation basket which is formed between the inner surface of the container and a bran chamber closed by the overhanging flange and is removably housed in the container,
A stirring tool that is detachably attached to a rotating shaft disposed at a central portion in the container and is rotated in the separation basket;
An annular seal packing having a lip portion elastically in close contact with the inner peripheral surface of the container and fitted and attached to the outer periphery of the separation cage.

According to the first aspect of the present invention, the separation cage having an annular seal packing attached to the outer periphery is set in the container with its projecting flange hooked on the upper opening edge of the container. And an upper end of the bran chamber is closed by the overhang flange. With the setting, the lip portion of the seal packing elastically deforms and elastically closely contacts the inner peripheral surface of the upper end opening of the container, and partitions the bran chamber near the lower side of the overhanging flange.
Further, an agitator is attached to the rotating shaft located at the center of the separated car thus set. When the container is integral with the apparatus main body, an appropriate amount of grains such as brown rice is put into the separating basket, and then the drive mechanism of the apparatus main body is operated for use. If it is separate from the container, attach this container to the device body,
Before and after that, a suitable amount of grains such as brown rice is put into a separating basket, and then the drive mechanism of the apparatus body is operated for use.

In this use, the operation of the drive mechanism causes the rotation shaft disposed at the center of the separation car and the wheel mounted on the shaft to rotate in the separation car in a stationary state, so that the rotation car is moved into the separation car. As the grains of brown rice and the like that have already been thrown in are stirred, the bran of the grains passes through a large number of separation holes opened in the separation basket and is stored in the bran chamber between the container and the separation basket,
Grains such as rice from which bran has been removed are left in the separation basket.

At the time of this grain refining, the elastically deformable lip portion of the annular seal packing which elastically closely contacts the inner peripheral surface of the container and partitions the bran chamber into a bottom side where the bran is stored and an overhanging flange side. Maintains the elastic close contact with the inner peripheral surface of the container even if the separating basket is slightly shaken, so that even if there is a gap between the mating surface of the upper opening edge of the container and the overhanging flange, it will fly in the bran chamber. The bran trying to reach the gap can be blocked by the seal packing.

[0012] In order to solve the first problem, the invention according to claim 2 is dependent on the invention of claim 1, wherein the separating car has a handle, and an attaching end of the handle is provided with the handle of the separating car. The upper end peripheral wall is inserted from the inside toward the outside, and a protruding portion of the mounting end is disposed between the overhanging flange and the lip portion disposed close to the protruding flange. Is characterized in that the lip is projected.

In the present invention, in addition to the function of the first aspect of the present invention, the handle mounting end for facilitating the handling of the separating car is protruded from the outer surface of the separating car. Since the overhanging flange and the lip of the seal packing that cover the protruding portion of the end from above and below protrude more than the protruding portion, the user may accidentally touch the edge of the tip of the protruding portion. It can be prevented by the overhang flange and the lip.

In carrying out the first or second aspect of the present invention, as in the third aspect of the present invention, the separating car is fitted into an outwardly formed annular convex portion provided on a peripheral wall at an upper end thereof. Preferably, an annular groove is formed on the inner peripheral surface of the seal packing, and the lip portion is protruded at an outer peripheral surface position of the seal packing corresponding to the annular groove. By doing so, in addition to the effect of the first or second aspect of the present invention, the annular groove of the seal packing is fitted to the annular convex portion of the separating cage at the base of the lip portion to absorb the convex portion. The annular projection prevents the lip from being directed in a direction other than the predetermined direction. Therefore, the lip can be properly brought into close contact with the inner peripheral surface of the container to achieve a reliable sealing action.

Further, in carrying out any one of the first to third aspects of the present invention, the seal packing can be detached from the bottom wall side of the separation basket as in the invention of the fourth aspect dependent on the invention. It is good to With this configuration, in addition to the operation of any one of the first to third aspects of the present invention, the seal packing can be removed from the separation car, so that the packing and the separation car can be easily cleaned.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a rice mill according to a first embodiment of the present invention will be described with reference to FIGS. This rice milling machine is composed of an apparatus main body and a grain processing attachment that is attached to and detached from the apparatus main body.

1 in FIG. 1 to FIG. 3 is an apparatus main body made of synthetic resin. The apparatus main body 1 is assembled by connecting a body case 1a, a bottom case 1b, and a top cover 1c. As shown in FIG. 3, a metal support plate 2 is disposed in a horizontal position in the apparatus main body 1. The main body 1 has a container mounting portion 3 having a trapezoidal shape, and a drive motor 4 that is covered from above with a top cover 1c is provided at a position separated from the mounting portion 3. Installed.

As shown in FIG. 3, a bearing 7 is mounted on the support plate 2 via a bearing holder 6 connected thereto.
An output shaft 8 penetrating the bearing 7 is rotatably supported in a vertical posture. The upper end of the output shaft 8 protrudes from the center of the concave portion 3a of the container mounting portion 3 whose upper surface is open,
The drive side coupling 9 is attached to this upper end.

The lower end of the motor shaft 4a of the drive motor 4 penetrates the support plate 2 downward, and the motor shaft 4a and the output shaft 8 are connected via transmission means. Device body 1
The drive motor 4, output shaft 8, and transmission means incorporated in the device constitute a drive mechanism 10. The transmission means includes, for example, a drive pulley 11 fixed to the motor shaft 4 a, a deceleration driven pulley 12 fixed to the lower end of the output shaft 8, and a belt 13 wound around these pulleys 11 and 12.
And is formed from

As shown in FIGS. 1 and 2, the top wall of the top cover 1c is used as an operation panel, and a timer switch 14 and a rice washing switch 15 are mounted on this wall. A timer switch 14 for setting a rice milling time according to the amount of brown rice to be milled is operated by a dial. When this switch 14 is operated, the output shaft 8 is driven through the drive mechanism 10 at, for example, 2400 rpm.
Rotated at ~ 3000rpm. The rice washing switch 15 is a push button type flash switch for operating the drive motor 4 only during the pressed time. When the switch is pressed, the energizing circuit for the drive motor 4 is switched and the output shaft is switched. 8 is, for example, 3500 rpm via the driving mechanism 10
Rotated by 1 and 2 is a switch setting table showing the standard of the amount of brown rice and the rice polishing time and the standard of the white rice amount and the rice washing time. The timer switch 14 is calibrated according to the table 16. In addition, the number of times the rice washing switch 15 is pressed is specified.

On the top wall of the top cover 1c, a hollow switch convex portion 17 is formed integrally with the container mounting portion 3 so as to protrude upward and approach the container mounting portion 3 side.
The opening 17a shown in FIG. A switch interlocking member (not shown) is housed in the switch projection 17 facing the opening 17a.
The switch is pushed and moved by a later-described switch operation projection inserted into a, and accordingly, a normally open safety switch (not shown) built in the apparatus main body 1 is turned on. Only when the safety switch is turned on, both the switches 14, 15
Is effective, that is, energization of the drive motor 4 is realized. In addition, 18 in FIG.
4A shows a motor cooling fan connected to the upper end of FIG.

Next, the grain processing attachment will be described. As shown in FIG. 4 and the like, this attachment includes a container 21, a separation basket 31, a stirring tool 41, a lid 5
1 is provided.

That is, as shown in FIGS. 1 to 3, on the container mounting portion 3, a bottomed cylindrical container 21 made of synthetic resin or transparent glass having an open upper surface is connected to the lower surface thereof. The container base 22 is detachably fitted to and attached to the recess 3a. As shown in FIGS.
Has, for example, a handle 23 integrally protruded from the outer peripheral surface of the peripheral wall 21b.
A spout 24 formed of a convex portion protruding radially outward is provided at an opening edge separated by 80 °. The handle 23 has, for example, a U-shape in a side view, but is not limited thereto. As shown in FIG. 3, the lower surface of the tip of the spout 24 is formed as a flat surface.

As shown in FIG. 3, FIG. 4, and FIG.
A bearing holder 25 is attached to the center of the bottom wall 21a so as to penetrate the bottom wall 21a, and a container base 22 is connected to a lower end of the holder 25. The rotating shaft 27 is vertically supported by the bearing 26 built in the bearing holder 25 so as to vertically penetrate the center of the bearing 26. The rotating shaft 27 is disposed at the center of the container 21, and the lower end thereof has a driven side cup which is detachably engaged with the coupling 9 as the container 21 is attached to and detached from the container mounting portion 3. Ring 2
8 are attached. A portion of the rotary shaft 27 above the bearing 26 forms a drive shaft 27a.

The bearing holder 25 has a holder fitting portion 25a located in the container 21. As shown in FIGS. 5 and 6, the fitting portion 25a is formed of a circular annular flange concentric with the rotating shaft 27. Further, in the present embodiment, the container 21 has a watertight structure from the viewpoint of washing rice. For that purpose, as shown in FIG.
5, an annular waterproof packing 29 is provided between the bearing 26 and the rotating shaft 27, between the inner surface of the upper end of the bearing holder 25 and the rotating shaft 27. ing.

Separation basket 31 which can be put in and taken out of container 21
As shown in FIG. 6 to FIG. 10 and the like, a metal cage main body 32 having an open upper surface, a synthetic resin central cylinder 33,
And a handle 34 made of a metal round bar.

As shown representatively in FIG. 10, the car body 32 has a cylindrical car peripheral wall 32a and a peripheral wall 32a.
Bottom wall 32b connected to the lower end of the
and an annular projecting flange 32c connected to the upper end portion a and projecting horizontally outward. The main part of the car, excluding the overhang flange 32c, has a smaller diameter than the container 21 and has a bottomed cylindrical shape shorter than the depth of the container 21. A lid engaging projection 39b as a detent part is provided on a part of the overhang flange 32c so as to protrude horizontally. The engaging projection 39b covers the spout 24 from above.

The car peripheral wall 32a and the car bottom wall 32b are connected to the lower joining end 3 of the car peripheral wall 32a which is bent in an uneven manner.
The upper joining end 32b of the car bottom wall 32b bent on the inner peripheral surface of the 2ad so as to have unevenness corresponding to the end 32ad.
u are fitted and connected by seam joining. Similarly, the car peripheral wall 32a and the overhang flange 32c are connected to the upper joint end 3 of the car peripheral wall 32a which is bent in an uneven manner.
The lower joining end 32cd of the overhanging flange 32c, which is formed with projections and depressions corresponding to the end 32au, is fitted to the inner peripheral surface of the 2au and is connected by seam joining.

An outwardly extending annular convex portion 38 having a substantially semicircular cross section is provided near the lower side of the flange portion of the overhanging flange 32c by seam joining between the car peripheral wall 32a and the overhanging flange 32c. As shown in FIGS. 5 to 7, a pair of handle receivers 40, which are projections opposed to each other in the radial direction, are integrally provided on the inner surface of the upper end opening of the separation cage 31.

As shown in FIGS. 8 to 10, on the outer peripheral portion 39a of the overhanging flange 32c, a folded back portion 3 which is positioned flush with the lower surface of the inner portion 39c from the outer peripheral portion 39a.
9d is bent to the lower surface side. The folded back 39d is continuous over the entire circumference. In order to provide the folded back 39d, the outer peripheral portion 39a of the overhanging flange 32c is bent with a step upward by the thickness of the sheet metal forming the separating cage 31, and then the folded back 39d is overlapped on the back surface of this portion and the lower surface is folded. It is bent to the side. Thus, the end of the outer peripheral portion 39a has no edge of the sheet metal, and the end of the outer peripheral portion 39a can be rounded.
The lower surface of 9c and the lower surface of the folded back 39d are flush with each other, that is, provided at the same height position. Then, when the overhang flange 32c is hooked on the upper end opening edge 21c of the container 21 from above, as shown in FIG.
c and at least the inner part 39c of the folded back 39d
Are hooked on the upper end opening edge 21c. Also, by providing the folded back 39d, the outer peripheral end of the overhang flange 32c is rounded, and the finger can be prevented from touching the edge of the folded back 39d when the outer peripheral portion 39a is put on the hand. 3
It is possible to ensure the safety when the detachable car 31 is operated by using the 2c.

As shown in FIGS. 6 and 10, a large number of separation holes 35 are formed in the car peripheral wall 32 a of the separation car 31 over substantially the entire area thereof, and as shown in FIGS. 7 and 10. As shown, a large number of separation holes 36 are also formed in the car bottom wall 32b of the separation car 31 over substantially the entire area thereof. Each of the separation holes 35 and 36 is formed of a small hole having a size that prevents passage of polished grains, for example, white rice, contained in the separation basket 31.

As shown in FIGS. 6 and 7, the central cylinder 33 penetrates through the center of the car bottom wall 32b of the separation car 31 and is fixed to the car bottom wall 32b with rivets 37.
Both upper and lower ends of the central cylindrical body 33 are open,
The height of the cylindrical body 33 is set to a height protruding above the upper surface formed by the brown rice group when brown rice having the maximum specified capacity is stored in the separation basket 31. Thereby, even when the separation basket 31 is tilted and the brown rice inside flows out during and after rice polishing, the central cylinder 3 is larger than the upper surface formed by the rice clusters.
The upper part of 3 protrudes upward so that rice does not enter the central cylinder 33. The lower end of the central cylindrical body 33 protruding below the car bottom wall 32b is connected to the holder fitting section 2
It is used as a car fitting portion 33a detachably fitted to 5a. The inner diameter A of the fitting portion 33a and the diameter B of the holder fitting portion 25a have a relationship of A ≒ B.

The handle 34 is bent in an arc having a radius slightly smaller than the radius of the inner diameter of the separating cage 31 and has an attachment end 34 bent outward from both ends.
a is formed. The mounting end 34a is shorter than the width of the overhang flange 32c, and is provided in a pair of holes 32d (see FIG. 9) penetrating through the joining ends 32au and 32cd on the opening end side of the separating cage 31. 31
Is inserted from the inside to the outside of the
The handle 34 is attached rotatably about the hole 32d. When the handle 34 is turned down, as shown in FIG. 3, the handle 34 takes a substantially horizontal position along the opening at the upper end of the separation car 31, and is hooked and supported by one of the handle supports 40 from above. ing.

An annular seal packing 48 disposed near the lower side of the overhang flange 32c is fitted and attached to the outer periphery of the separating cage 31 having the above-described configuration. The packing 48 is made of an elastic material, for example, silicon rubber, and can be removed from the bottom wall 32b side of the separation car 31 by using the elasticity. As shown in FIG.
8 has an annular lip portion 48b which is circumferentially continuous with the outer peripheral surface of the center portion in the width direction of the ring-shaped base 48a, and which corresponds to the lip portion 48b. The outer peripheral surface of the portion has an annular concave groove 48c that is continuous in the circumferential direction. When the upper end surface of the packing 48 is brought into contact with the back surface of the base of the overhanging flange 32c and attached to a predetermined position of the separating car 31, the annular groove 48c is fitted into the annular convex portion 38 of the separating car 31.

The lip portion 48b is tapered and has a length such that when the separating cage 31 is accommodated in the container 21, the lip portion 48b is brought into close contact with the inner surface of the upper end opening of the container 21 with elastic deformation. Therefore, this lip portion 48b is
Project outward from the mounting end 34a in the radial direction. The shorter mounting end 34a is disposed between the lip 48b and the overhanging flange 32c which are close to each other. The seal packing 48 is provided with a clearance groove (one position is shown in FIG. 9) 48d for projecting the mounting end 34a at two places 180 degrees apart from each other.

As shown in FIG. 3, a rotating tool 41 is removably fitted to the rotating shaft 27 in the container 21 from above and is rotated together with the rotating shaft 27 in accordance with the rotation of the output shaft 8. Have been.

As shown in FIGS. 3, 7, and 13, the stirring tool 41 includes a stirring tool main body 42 made of an integrally molded synthetic resin, and a synthetic resin or light metal shaft built in the main body 42. An engagement member 43 and one or more, for example, a pair of blades 44 are provided. The agitator main body 42 has a cylindrical shape having a closed upper end and an open lower end, and a central cylindrical portion 4 integrally projecting from the inner surface of the central portion of the upper end wall.
A shaft engaging member 43 is connected to the lower end of 2a. The member 43 is detachably fitted in the drive shaft portion 27a of the rotating shaft 27 in the axial direction, and is engaged so as not to rotate relatively in the circumferential direction (in other words, together with the rotating shaft 27). Caught to rotate). Therefore, the stirring tool 41 is attached to the rotating shaft 27 disposed at the center of the separation basket 31 and is rotated together with the rotating shaft 27. In this mounted state, the outer peripheral wall of the stirring tool main body 42 is The central cylindrical body 33 enters the annular gap 45 between the central cylindrical body 42a and the central cylindrical body 33, so that the inner and outer peripheral walls of the agitator main body 42 do not come into contact with the central cylindrical body 33.

The pair of blades 44 are formed by bending a metal plate, for example, a thin stainless steel plate having excellent wear resistance, so that a cross section orthogonal to the longitudinal direction has a U-shape. Therefore, the blade 44 has a material extruding surface 44a facing the car peripheral wall 32a and upper and lower surfaces 44b vertically connected thereto,
44c, the material pushing surface 44a and the upper and lower surfaces 4
The boundaries with 4b and 44c are not sharp edges but rounded. The width of the material pushing surface 44a is equal to the upper and lower surfaces 44.
b, 44c, so that the material pushing surface 44a occupies the largest area in the blade 44. In each of the surfaces 44a to 44c, a small protrusion protruding to the front side is formed over substantially the entire area.

One end of the pair of blades 44 on the side of the agitator main body 42 is connected via a plurality of rivets 47 to a blade connecting portion 46 that protrudes integrally from the lower end of the agitator main body 42. By this connection, the pair of blades 44 are provided with their lower surfaces 44c approaching the car bottom wall 32b in a state where the stirring tool main body 42 is fitted and attached to the rotating shaft 27 as shown in FIG.

The pair of blades 44 connected to the agitator main body 42 are arranged in the separating car 31 as shown in FIG. 7, and viewed from above, from the center of the separating car 31 to the side of the car peripheral wall 32a. , A large arc shape gradually approaching the inner peripheral surface of the car peripheral wall 32a. In other words, the blade 44 moves from the one end on the blade connecting portion 46 side to the free end on the other end, and the car peripheral wall 3
The distance between the inner peripheral surface of 2a and the material pushing surface 44a (the distance along the radial direction of the separating cage 31) is gradually reduced.

As shown in FIG. 1 to FIG.
A lid 51 for opening and closing the upper end opening is detachably attached. The lid 51 made of a transparent synthetic resin is formed in a substantially circular shape and fits outside the upper edge of the upper end of the container 21. The outer periphery of the lid 51 is 180 ° apart from the handle hook 52 and the spout. Each of the hook portions 53 is provided, and an L-shaped switch operation convex portion 54 is integrally protruded toward the spout hook portion 53 side.

As shown in FIG. 3, FIG. 11, and FIG. 12, the handle hook 52 is a molded article of an elastic synthetic resin material molded separately from the lid 51. It is fitted and attached to a member attachment portion 51a formed integrally. The hook portion 52 is formed of a pair of opposing elastic holding pieces 52a detachably and elastically engaged with the upper portion of the handle 23.
have. The spout catching portion 53 serving as a detent for the separating basket 31 is formed integrally with the lid 51, and has a U-shape in a top view as shown in FIG. As shown, a hooking portion 53 having an L-shaped cross section
a, and the back side of this portion 53a (the center side of the lid 51) is open.

To attach the lid 51 to the container 21, first, as shown in FIG.
The hook portion 53a is hooked on the lower surface of the spout 24 of the container 21 in a diagonal position in which the spout hook portion 53 is lowered forward with respect to the container 21 in which the container 21 is stored. It is sufficient that the handle 52 is pushed down and rotated so that the handle hooking part 52 side is lowered. Thereby, with the elastic deformation of the elastic holding piece 52a of the handle hooking portion 52, the lower end portion passes through the upper side surface of the handle 23, and at the end of the passage, the elastic holding pieces 52a elastically return so as to approach each other. , While giving a force to bring the lid 51 downward,
Elastically clamps the upper part of the container 2
A cover 51 is attached so as to cover 1 and the separation basket 31. By attaching the lid 51 to the container 21, the container 21
The overhanging flange 32c is sandwiched between the upper end opening edge 21c of the cover 51 and the inner peripheral surface of the lid 51. Conversely, the lid 51 can be removed from the container 21 by pushing up the handle hook 52 and removing it from the handle 23, and then removing the spout hook 53 from the spout 24. it can.

In FIGS. 1 to 3 and FIGS. 11 and 12, reference numeral 55 denotes a handle
2 is a cover projection protruding near the upper side, and is provided at a position suitable for pushing up with the thumb of one hand holding the handle 23. Therefore, the provision of the cover projection 55 is excellent in that the push-up operation for opening the lid 51 can be easily performed with the thumb.

A large number of ventilation holes 56 are formed in the cover 51 over the entire area except for the peripheral portion thereof, and a downward stopper projection 57 is integrally formed on the rear surface of the central portion. Providing a small air hole 56 that cannot pass rice allows the heat generated due to rice polishing to be released to the outside,
It is effective in lowering the temperature of the polished rice so that the white rice does not become too dry. In addition, the stopper projection 57 hits the upper surface of the stirring tool 41 and prevents the lid 51 from being attached when the stirring tool 41 is not properly attached to the rotating shaft 27, thereby allowing the stirring tool 41 to be set properly. This is effective in that it can be forced to do this. Further, an annular rib 58 is provided on the inner peripheral surface of the lid 51.
The leading end is provided close to the upper surface of the base of the overhanging flange 32c with a gap smaller than the size of rice, thereby preventing the rice from accumulating on the upper surface of the overhanging flange 32c.

Next, a case where a cereal grain such as brown rice is polished will be described. First, a separation basket 31 in which an annular seal packing 48 has been mounted in advance through an opening at the upper end of the kernel processing attachment 21 in a state of being mounted on the apparatus main body 1 or being separated from the apparatus main body 1. This basket 3
The one overhanging flange 32 c is the upper edge 21 of the container 21.
c until it is caught from above. Thereby, the car main body 32 of the separation car 31 is housed in a state of being suspended in the container 21.

When the separating basket 31 is accommodated, the separating basket 31 is aligned with the container 21 so that the lid engaging projection 39b of the overhang flange 32c covers the spout 24 of the container 21 (FIG. 6). reference). Further, at the time of the accommodation, the cage fitting portion 33a of the central cylindrical body 33 of the separating cage 31 is fitted to the outer periphery of the holder fitting portion 25a on the container 21 side. The cage 31 is centered in the radial direction, and the drive shaft portion 27a side of the rotary shaft 27 that penetrates the bearing holder 25 having the holder fitting portion 25a in the axial direction is inserted into the center cylindrical body 33.

FIG. 6 shows the storage state of the separation basket 31. In this storage state, the car peripheral wall 32a of the car main body 32 is arranged away from the inner peripheral surface of the peripheral wall 21b of the container 21, and the car bottom wall 32b of the car main body 32 is also separated from the inner surface of the bottom wall 21a of the container 21. Since it is arranged, between the car body 32 and the container 21, the car body 32
A gap which is continuous over the sides and the lower side and communicates with the inside of the car body 32 through the respective separation holes 35 and 36;
That is, a bran chamber C for storing the bran separated from the brown rice is formed. The upper end opening of the bran chamber C is
Is closed by a projecting flange 32c of the separating cage 31 hooked on the upper opening edge 21c of the separating cage 31.

In addition, the seal packing 48
Is arranged inside the upper end opening of the container 21, and the lip portion 48b thereof comes into close contact with the inner peripheral surface of the upper end opening of the container 21 with elastic deformation as shown in FIG. Is divided into a bottom side where the bran is stored and an overhang flange 32c side. In this case, as the annular lip portion 48b elastically closely contacts the inner peripheral surface of the upper end opening of the container 21, the seal packing 4
8 restricts the position of the separation cage 31 in the radial direction with respect to the container 21, so that the holder fitting portion 25a and the cage fitting portion 3
3a can be easily fitted. In addition, the upper portion of the separating basket 31 accommodated in the container 21 can be stably supported by the elastic close contact of the lip portion 48b with the inner peripheral surface of the container 21.
Can be suppressed.

Next, the stirring tool 41 is housed in the separating basket 31 through the upper end opening thereof, and the central cylindrical portion 42a is fitted to the driving shaft portion 27a of the rotating shaft 27, and the shaft engaging member 43 is driven. It is attached by engaging with the shaft 27a. FIG. 7 shows a state in which the stirring tool 41 is attached to the rotating shaft 27 in this manner. In this mounting state, the separation basket 31 is centered on the container 21 as described above,
The blade 4 of the stirring tool 41 attached to the rotating shaft 27
4 does not interfere with the car peripheral wall 32a of the separation car 31.

Thereafter, a desired amount of brown rice is stored in the separating basket 31, and then the lid 51 is attached to the upper end opening of the container 21 by using the handle 23 and the spout 24 according to the above-described mounting procedure. Then, the lid 51 is attached to the upper end of the container 21 to cover the upper end opening of the separation cage 31, and the projecting flange 32c of the cage 31 is sandwiched between the upper end opening edge 21c and the periphery of the lid 51. The separation basket 31 is held so as not to move in the vertical direction. Also, the overhang flange 32
c, the spout 24 of the container 21 covered with the lid engaging projection 39b.
Is hooked by a spout hooking portion 53 of the lid 51, and a portion connected to both sides of a hooking portion 53a of the hooking portion 53 is a root portion D of the lid engaging projection 39b (see FIGS. 5 and 5). 7) from the both sides in the width direction.
The separation cage 31 is prevented from rotating in the circumferential direction by these engagements. Therefore, in the later-described rice polishing, the separation basket 3
1 can be prevented from inadvertently shaking. The state of the grain processing attachment assembled as described above is shown in FIG.

Next, this attachment is attached to the apparatus body 1.
Attach to In this case, the container mounting portion 3
Even when the container 21 is placed on the container 21 or when the attachment is assembled in a state where the container 21 is detached from the apparatus main body 1, first, as shown in FIGS.
After the handle 23 is placed on the container mounting portion 3 in a position opposite to the top cover 1c of the apparatus body 1, the handle 23 is moved toward the top cover 1c in the direction of the arrow in FIG. The attachment to the apparatus main body 1 is performed by rotating the entire attachment. FIG. 2 shows a state in which the mounting is completed. In this mounting state,
As shown in FIG. 3, the drive-side coupling 9 and the driven-side coupling 28 are engaged with each other, and
Connected to a state where power can be transmitted to the stirring tool 41 from the side, and the inner peripheral surface of the concave portion 3a and the container table 2 are connected.
The container 21 is prevented from slipping out of the container mounting portion 3 by the not-shown hooking with the outer peripheral surface of the container 2.
Further, the switch operation convex portion 54 of the lid 51 enters the opening 17a of the switch convex portion 17 of the apparatus main body 1 as shown in FIG. 2, and the safety switch (not shown) is held in the ON state.

After the above setting is completed, the rice milling switch, that is, the timer time of the timer switch 14 is set in accordance with the amount of brown rice put into the separating basket 31, so that the bran having the following dry structure is used. , Ie, milled rice (milled) or polished rice (milled).

That is, the drive mechanism 10 in the apparatus main body 1 is operated, and the rotation of the output shaft 8 is coupled to the couplings 9 and 28.
Is transmitted to the rotation shaft 27 via the shaft 27, and the stirring tool 41 is rotated in the separation car 31 together with the shaft 27. The arrow in FIG. 7 indicates the rotation direction. Therefore, this stirring tool 41
By the material pushing surfaces 44a of the pair of blades 44, the rice in the separation basket 31 is extruded toward the cage peripheral wall 32a while receiving the rotational force. The brown rice in the separating basket 31 is stirred by the high-speed rotation of the stirring tool 41 in the separating basket 31, so that the brown rice in the separating basket 31 cannot pass through due to the centrifugal force caused by the rotating motion of the rice. Car peripheral wall 32 having a large number of separation holes 35
It rotates while being pressed against the inner peripheral surface of a.

In this case, the blade 44 is
1 has an arc shape that retreats in the rotation direction so as to gradually approach the inner peripheral surface of the car peripheral wall 32a of the separating cage 31 from the central portion to the outer peripheral portion. It can allow rice to escape easily along the arcuate outer surface. Therefore, while the rice is in contact with the material extruding surface 44a of the blade 44 facing the car peripheral wall 32a of the separating car 31 to reduce the impact force of the rice and reduce the damage of the rice, the blade 44 causes the rice to be moved to the inner periphery of the car peripheral wall 32a. The rice is smoothly extruded toward the surface, whereby the rice can be stirred in the separating basket 31 while pressing the rice against the inner peripheral surface of the car peripheral wall 32a.

As described above, the rice which is rotated at a high speed with the rotation of the stirring tool 41 rotates while being pressed against the inner peripheral surface of the car peripheral wall 32a of the stationary separation basket 31 by the action of the centrifugal force. After moving toward the upper side of the inner peripheral surface of the car peripheral wall 32a, the rice is moved toward the car bottom wall 32b at the center of the separation car 31 by gravity, so that the rice in the separation car 31 is vertically convected ( (Indicated by an arrow in FIG. 3).

By the rubbing of the brown rice with the stirring and the rubbing of the brown rice with the separating basket 31 and the stirring tool 41, the bran layer of the brown rice is first removed, and thereafter, the rice (white rice) ) Is performed for rice bran removal (polished rice). At the same time, the centrifugal action on the generated bran is caused by the separation holes 3 provided in the cage peripheral wall 32a.
5, the bran passes through the separation hole 35 and the cage peripheral wall 3
It reaches the bran chamber C portion between 2 a and the container 21, and is stored in the bran chamber C portion at the bottom of the container 21 from this portion. Similarly,
Regarding brown rice that is pushed and moved along the basket bottom wall 32b by the blade 44, the bran can be separated from the rice in the large number of separation holes 36 provided in the basket bottom wall 32b that prevent the passage of rice. The separated bran is placed in a container 21
Is stored in the rice bran chamber C at the bottom of the container. Then, with the separation of the rice bran, the rice from which the bran has been removed remains in the separation basket 31. In this case, in the rubbing between the brown rice and the respective surfaces 44a to 44c of the blade 44, the respective surfaces 44a
Because the skin layer of brown rice can be efficiently rubbed by the small projections provided at the positions ~ 44c, the time required for rice polishing and, consequently, the dry processing time from rice polishing to completion of rice polishing can be shortened.

In the dry rice milling operation as described above, wind is generated in the bran chamber C with the high-speed rotation of the stirring tool 41 and the stirring movement of the brown rice. In particular, when the amount of brown rice to be processed is small, wind is easily generated by the blades 44 of the stirring tool 41. Due to the generation of the wind, a part of the bran stored in the bran chamber C is soared, but the leakage of the bran to the outside of the bran chamber C can be suppressed as follows.

That is, as described above, the lip portion 48b of the annular seal packing 48 attached to the outer periphery of the separation cage 31 is elastically in close contact with the inner peripheral surface of the container 21. Since the separation basket 31 is maintained even if the separation basket 31 is slightly shaken due to the rice polishing due to the elastic deformation of the lip portion 48b, a gap is formed in the mating surface between the upper opening edge 21a of the container 21 and the overhanging flange 32c superposed thereon. Even if this occurs, the bran that is going to flow into the bran chamber C to reach the gap can be blocked by the lip portion 48b of the seal packing 48. Therefore, it is possible to prevent the bran in the bran chamber C from leaking to the outside and scattering around during the rice polishing.

As described above, the separating car 31 has an outwardly projecting annular convex portion 38 at a portion where the seal packing 48 is fitted due to the seam connection between the car peripheral wall 32a and the overhanging flange 32c. Nevertheless, the sealing performance can be reliably maintained. That is, the seal packing 48 has an inner peripheral portion and an outer peripheral lip portion 48.
Since the annular concave groove 48c provided corresponding to b is fitted to the annular convex portion 38 and attached to the outer peripheral surface of the separating cage 31, the annular convex portion 38 can push the base of the lip portion 48b. The protrusion 38 prevents the lip portion 48b from being directed to a direction other than the predetermined direction. for that reason,
As the entire annular lip portion 48b is held in a proper posture, the tip portion is elastically and closely held on the inner peripheral surface of the container 21, so that a reliable sealing action is obtained and the bran chamber C is obtained.
The leakage of the bran to the outside can be enhanced.

Further, the rice is polished or polished and separated into baskets 31.
The removal of the rice remaining in the bran and the bran in the bran chamber C may be performed in the following procedure. First, in a state where the lid 51 has been removed from the upper end of the container 21 in the procedure described above, the separating basket 31 is removed upward from the container 21 using the handle 34 or the like,
Next, after removing the stirring tool 41 in the car 31, an operation such as inverting the separation car 31 is performed on the container 21.
And, without being restricted by the apparatus main body 1, it can be easily performed in a state irrelevant to these, so that the white rice in the separation basket 31 can be taken out. The removal of the separation basket 31 from the container 21 as described above is performed in a state where the stirring tool 41 is accommodated in the separation basket 31.
Therefore, since the center cylinder 33 of the separation basket 31 is covered by the stirring tool 41, the rice in the separation basket 31 does not leak through the cylinder 33 even if the amount of rice is large. In addition, the bran stored in the container 21 can be easily taken out of the container 21 without being disturbed by the separation cage 31 due to the removal of the separation cage 31 described above. Moreover, in the present embodiment, since the container 21 can be detached from the apparatus main body 1, the container 21 is not restricted by the apparatus main body 1.
1 alone in the sink to remove the bran and the container 21
Cleaning of the inside can be easily performed.

In the rice-milling machine of the present embodiment, rice can be washed after the above-described removal of the bran after the rice polishing with the removal of the bran as described above. In this rice washing, after the white rice in the separating basket 31 removed outside the container 21 is lightly wetted with water and drained, the separating basket 31 is set in the container 21 again, and the grain is prepared by the assembling procedure described above. This is performed by assembling the processing attachment and setting it in the apparatus main body 1. In operation in this case, the timer switch 14
Is not used, and the rice washing switch 15 is momentarily pressed several times in accordance with the amount of white rice in the separation basket 31, and the drive motor 4 is intermittently operated. Thereby, the stirring tool 41 is stirred without excessively shaving the white rice, and the rice is washed. Then, after this, according to the removal procedure described above, the separation basket 31 is taken out together with the white rice, and the stirring basket 41 is removed from the inside of the separation basket 31 while the separation basket 31 is immersed in water in the sink, and the white rice is gently lightened. The rice washing operation is completed by rinsing.

According to the processing of rice as described above, the bran is separated from the rice in the polished or polished rice. Therefore, even when the rice is washed manually without using the above-mentioned rice milling machine, Also, when performing the rice washing operation using the rice milling machine, since the amount of bran contained in the rinsing water is extremely small, the rice absorbs the water containing the bran dissolved in the rice washing so that the rice becomes a rice bran odor. Can be suppressed. Therefore, rice can be cooked deliciously by the subsequent rice cooking.

In addition, handling such as attachment and detachment of the separating basket 31 in the above-described rice milling machine is easily carried out usually by holding the handle 34. The mounting end 34a of the handle 34 has an edge at its tip and protrudes from the outer surface of the separating cage 31. The protruding portion of the end 34a is located radially outward from the protruding portion. Projecting flange 32
c and the lip portion 48b of the seal packing 48 so as to be sandwiched from above and below. Therefore, it is possible to prevent the user from accidentally touching the edge of the tip of the protruding portion with the overhanging flange 32c and the lip portion 48b.
The user's safety can be ensured even when handling the separation car 31 with the overhang flange 32c. Further, since the seal packing 38 can be removed from the bottom wall side of the separation car 31, the seal packing 48 can be removed from the separation car 31 as necessary, and the packing 48 and the separation car 31 can be in a single state without being restricted by each other. And can be easily cleaned.

The present invention is not restricted to the above embodiment. For example, even if the grain processing attachment of the above configuration is attached to an existing food processor or a new food processor having a switch that can switch the rotation speed of a drive motor between cooking and rice polishing, the above-described separation of bran can be performed. Since the accompanying milling can be performed, the versatility of the food processor can be enhanced in this case.

The present invention is not applied only to milled rice, but it is possible to perform milling or crushing of grains other than rice in the same manner as milled rice. In the present invention, the rice washing switch employed in the above embodiment may be omitted.

Further, the present invention can be applied to the following. That is, on the upper side of the container which is detachably mounted on the container mounting portion of the apparatus main body, a rotating shaft which is penetrated through the lid and which is rotated by the drive mechanism of the apparatus main body and which can move up and down is provided downward. A rotating device is connected to the shaft, and the rotating shaft and the rotating device are inserted from above into the separating cage housed in the container so as to be freely taken in and out, and the container and the apparatus main body are connected, and the driving mechanism is operated in this state. Accordingly, the present invention can be applied to a grain processing apparatus that simultaneously removes grain and bran such as brown rice. In this case, it is not necessary to provide a rotating shaft in the container, and a structure in which the rotating shaft passes through the bottom wall of the separating cage is not required.

In the present invention, the stirring tool is only required to be able to stir the grains in the separating basket, and the blade is not always required.
Also, providing a lid is effective to prevent the grains repelled by the blades of the stirring tool from jumping out of the separation basket, but when using a stirring tool without blades, or in a separation basket. When the car body is deep, the lid can be omitted. Further, in the present invention, the container is not separate from the apparatus main body as in the above embodiment, and may be provided integrally so as not to be detachable from the apparatus main body.

[0069]

The present invention is embodied in the form described above and has the following effects.

According to the grain processing apparatus according to the first, third, and fourth aspects of the present invention, the upper end opening edge of the container accommodating the separating cage and the projecting flange of the separating cage hooked from above on the upper edge of the container. Even if there is a gap in the mating surface, the annular seal packing having an elastically deformable lip portion fitted to the outer periphery of the separating cage and elastically closely contacting the inner peripheral surface of the container can fly in the bran chamber. By blocking the bran trying to reach the gap, it is possible to prevent the bran in the bran chamber from leaking to the outside during the milling of rice or the like.

According to the grain processing apparatus according to the second aspect of the present invention, which is dependent on the first aspect of the present invention, in addition to the effect of the first aspect of the present invention, the handling of the separated basket is facilitated. This prevents the user from accidentally touching the edge of the protruding portion of the mounting end of the handle with the overhanging flange and the lip of the seal packing, thereby ensuring the safety of handling the separating car.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an entire rice mill according to a first embodiment of the present invention.

FIG. 2 is a plan view of the rice mill shown in FIG.

FIG. 3 is a sectional view of the rice mill shown in FIG. 1;

FIG. 4 is an exploded sectional view showing the grain processing attachment of the rice mill shown in FIG. 1;

FIG. 5 is a plan view showing a state in which a separation basket is accommodated in a container provided in the grain processing attachment shown in FIG. 4;

FIG. 6 is a sectional view taken along the line ZZ in FIG. 5;

FIG. 7 is a plan view showing a state in which a separation basket and a stirring tool are accommodated in a container provided in the grain processing attachment shown in FIG. 4;

FIG. 8 is a bottom view of a separation basket provided in the grain processing attachment shown in FIG. 4;

FIG. 9 is a sectional view showing a seal structure of a bran chamber in the grain processing attachment shown in FIG. 4;

FIG. 10 is an enlarged cross-sectional view showing a part of a separation basket provided in the grain processing attachment shown in FIG. 4;

FIG. 11 is a perspective view showing the lid of the grain processing attachment shown in FIG. 4 upside down;

FIG. 12 is a view showing a combined state of a container and a lid included in the grain processing attachment shown in FIG. 4;

FIG. 13A is a perspective view showing a stirring tool provided in the grain processing attachment shown in FIG. 4; (B) is FIG.
The bottom view which shows the stirring tool shown to (A).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Device main body, 10 ... Drive mechanism, 21 ... Container, 21c ... Upper edge of container upper opening, 27 ... Rotating shaft, 31 ... Separation cage, 32a ... Cage peripheral wall, 32b ... Cage bottom wall, 32c ...... Overhang flange, 34 ... Handle, 34a ... Mounting end of handle, 35, 36 ... Separation hole, 38 ... Circular projection of separation basket, 41 ... Stirring tool, 48 ... Seal packing, 48a ... Seal packing base, 48b ... Seal packing Lip part, 48c: annular groove of seal packing, C: bran chamber.

Claims (4)

[Claims] An apparatus main body in which a drive mechanism for rotating a rotating shaft is built in; an apparatus main body provided integrally with the apparatus main body or separate from the apparatus main body and detachably attached to the apparatus main body; A container having an open upper end, having a large number of separation holes, and having an overhanging flange that is hooked from above at an upper end opening edge of the container, and a bran chamber closed by the overhanging flange is interposed between the inner surface of the container and the bran chamber. A separating basket formed and accommodated in the container so as to be able to be taken in and out, a stirring tool that is detachably attached to a rotating shaft disposed in a central part in the container and is rotated in the separating basket; An annular seal packing having a lip portion elastically in close contact with the inner peripheral surface of the container and fitted and attached to the outer periphery of the separation basket. 2. The separation car includes a handle, and a mounting end of the handle passes through a peripheral wall of an upper end portion of the separation car from inside to outside, and a protruding portion of the mounting end is extended. The grain processing device according to claim 1, wherein the lip portion is disposed between a flange and the lip portion disposed close to the flange, and the lip portion protrudes from the protruding portion. 3. An annular concave groove is provided on an inner peripheral surface of the seal packing so that the separating cage fits into an outward annular convex portion provided on a peripheral wall of an upper end portion of the separating cage, and the seal packing corresponds to the annular concave groove. The grain processing device according to claim 1, wherein the lip portion protrudes from an outer peripheral surface of the grain processing device. 4. The grain processing apparatus according to claim 1, wherein said seal packing is detachable from a bottom wall side of said separation basket.