JP6481280B2 - Horizontal axis type rice mill - Google Patents

Description

  The present invention relates to a compact horizontal axis type rice mill.

  2. Description of the Related Art Conventionally, a continuous type horizontal axis type rice milling machine in which milled portions are stacked in a vertical direction is known (Patent Document 1).

  The grain refiner described in Patent Document 1 has a plurality of friction-type grain refiners arranged in multiple stages in the vertical direction of the box-type machine frame with the grain supply unit and the grain discharge unit being alternately arranged. .

  In the friction type grain milling machine, a milling chamber is formed between a perforated wall milling mill and a milling trochanter, the spiral trochanter side communicating with the milling chamber is the grain supply unit, and the opposite side is the grain. As the grain discharging part, a falling straw provided with a resistance lid is arranged in the grain discharging part.

  In the cereal grain device described in Patent Document 1, the falling rice cake disposed in the grain discharge part of the first friction type grain refiner is connected to the grain supply part of the second friction type grain refiner, The falling rice cake disposed in the grain discharge part of the second friction type grain refiner is connected to the grain supply part of the third friction type grain refiner, and the grain of the third friction type grain refiner The falling rice cake disposed in the grain discharge unit is connected to the grain supply unit of the fourth friction type grain refiner, and is disposed in the grain discharge unit of the fourth friction type grain refiner. The grain after fertilization is discharged out of the machine.

  According to the grain refiner described in Patent Document 1, it is possible to finish the raw rice with high quality by increasing the degree of whitening by a plurality of friction type grain refiners.

  However, the cereal apparatus described in Patent Document 1 is a resistance lid that, in each of the friction type pulverizers, has a grain outlet provided on an axial end surface of each grain outlet and closes the grain outlet. There is a problem that the apparatus is increased in size in the axial direction because the falling slag provided with is disposed on the outer side in the axial direction of each grain discharge portion.

  Moreover, the cereal apparatus described in patent document 1 WHEREIN: In the said 1st friction type | formula grain machine and the 3rd friction type | formula grain machine, the rotating shaft is arrange | positioned in each grain discharge part, Since the height position in which the resistance lid for closing the grain outlet provided in the axial direction end face of each grain discharge part is restricted is limited, the downfall with the resistance lid is the each grain discharge There is a problem that the device is enlarged in the height direction.

JP 2008-29913 A

  Then, an object of this invention is to provide the compact horizontal-axis type rice milling machine which can prevent an apparatus becoming large.

In order to achieve the above object, the present invention provides:
A horizontal axis rice milling machine comprising a perforated cylinder and a milling roll rotatably disposed in the perforated cylinder, and comprising a milling section in which a milling chamber is formed between the perforated cylinder and the milling roll. There,
A raw material supply unit is provided on one end side of the milling chamber, while a rice grain discharge unit having a rice grain discharge cylinder is provided on the other end side,
By extending the peripheral surface of the rice grain discharge cylinder linearly toward the positive rotation direction of the whitening roll, a downwardly inclined rice grain guide surface intersecting with a vertical plane including the central axis of the rice grain discharge cylinder is formed. And a rice grain outlet is provided at the tip of the rice grain guide surface.

The horizontal axis rice milling machine of the present invention is
The rice grain discharge cylinder is cylindrical, and the downwardly inclined rice grain guide surface is formed by extending the peripheral surface of the rice grain discharge cylinder in a tangential direction toward the positive rotation direction of the whitening roll. Is preferred.

The horizontal axis rice milling machine of the present invention is
A second rice grain guide surface is formed by extending a peripheral surface of the rice grain discharge cylinder on the side facing the tip of the rice grain guide surface in a tangential direction toward the reverse rotation direction of the whitening roll, and the rice grain guide It is preferable to provide the rice grain outlet between the front end of the surface and the front end of the second rice grain guide surface.

The horizontal axis rice milling machine of the present invention is
The rice grain discharge port is provided with a rice grain discharge basket together with a resistance lid, and a plurality of the rice grain discharge baskets are arranged so that the outlet of the rice grain discharge basket faces the inlet of the raw material supply unit in the other milling unit disposed below. The nail parts are alternately stacked one above the other .

The horizontal axis rice milling machine of the present invention is
The plurality of finishing parts are stacked one above the other so that the center axis of each finishing roll is located on one vertical plane, and the inlet of the raw material supply section in the finishing part disposed below is the each finishing roll Is provided at a position shifted in a direction orthogonal to the vertical plane on which the central axis is located .

The horizontal axis rice milling machine of the present invention is
It is preferable that any one of a friction type, a grinding type, and a cutting type is disposed in each of the plurality of fine parts.

  According to the present invention, by extending the peripheral surface of the rice grain discharge cylinder in a straight line toward the positive rotation direction of the whitening roll, the downwardly inclined rice grain that intersects the vertical plane including the central axis of the rice grain discharge cylinder Since the rice grain discharge port is provided at the tip of the rice grain guide surface by forming a guide surface, the rice grain discharge port is provided at the circumferential surface position of the rice grain discharge cylinder, and a compact horizontal axis type with a reduced apparatus width A rice mill can be provided.

  According to the present invention, since the rice grain discharge port is provided at the circumferential surface position of the rice grain discharge tube, the rice grain discharge port has a high height even when a rotary shaft is disposed in the rice grain discharge tube. It is possible to provide a resistance lid without restricting the position, and it is possible to provide a compact horizontal axis rice milling machine with a reduced apparatus height.

  Furthermore, according to the present invention, the peripheral surface of the rice grain discharge cylinder is linearly extended toward the positive rotation direction of the whitening roll, so that the downward inclined shape intersecting the vertical plane including the central axis of the rice grain discharge cylinder The rice grain guide surface is formed and a rice grain discharge port is provided at the tip of the rice grain guide surface, so that the rice grain after being scoured in the scouring room is subjected to the positive rotation action of the whitening roll on the rice grain guide surface. Since it is guided, the rice grains after the milling can be smoothly discharged from the rice grain outlet.

  In the horizontal axis type rice mill of the present invention, the rice grain discharge cylinder is cylindrical, and the peripheral surface of the rice grain discharge cylinder extends in a tangential direction toward the positive rotation direction of the whitening roll, so that the downward direction If the inclined rice grain guide surface is formed, the rice grains after the milling can be more smoothly discharged from the rice grain outlet by the action of the positive rotation of the whitening roll.

  The horizontal-axis type rice milling machine of the present invention is configured such that the circumferential surface of the rice grain discharge cylinder on the side facing the tip of the rice grain guide surface extends in a tangential direction toward the reverse rotation direction of the milling roll. If a rice grain guide surface is formed and the rice grain discharge port is provided between the tip of the rice grain guide surface and the tip of the second rice grain guide surface, even when the milling roll is rotated in reverse, It becomes possible to discharge | emit the subsequent rice grain smoothly from the said rice grain discharge port.

In the horizontal axis type rice milling machine of the present invention, the rice grain discharge port is provided with a rice grain discharge basket along with a resistance lid, and the outlet of the rice grain discharge basket is supplied with raw materials in other rice milling parts disposed below. as facing the inlet parts, by disposing stacked vertically a plurality of the pearling portion alternately, even when the rotating shaft is disposed in the rice grains discharged cylinder, the circumferential surface position of the rice grains discharge tube Since the rice grain discharge port provided can be provided with a resistance lid without any restriction on the height position, it is a compact, solid, horizontal axis type that can be stacked vertically by stacking a plurality of squeezed portions with a reduced height. It can be a rice mill.

The horizontal-axis type rice milling machine according to the present invention is such that the plurality of milling parts are stacked one above the other so that the central axis of each milling roll is located on one vertical plane, and the raw material in the milling part disposed below inlet of the supply unit, because it is provided at a position where the center axes of the milling rolls offset in a direction perpendicular to a vertical plane located in pearling portion disposed in the lower, the uppermost該搗fine portion Since the inlet of the raw material supply unit can be provided at a position deviated from the vertical direction, it is possible to dispose the upper and lower fine portions close to each other in the height direction. Can be prevented from increasing in size.

  In the horizontal axis type rice milling machine of the present invention, if any one of a friction type, a grinding type, or a cutting type is disposed in each of the plurality of milling parts, the type of raw material (specific rice, glutinous rice, Perboiled rice, rice bran), grain shape (short grain type, medium grain type, long grain type), and processing grade level (low grade, general grade, high grade grade), the type of milled portion can be easily made into an optimal combination.

The perspective view of a horizontal- axis type rice mill. FIG. 2 is a partial cross-sectional view of the horizontal axis rice milling machine of FIG. 1. FIG. 3 is a cross-sectional view taken along the line AA in the finer section of FIG. 2. FIG. 4 is a perspective view of FIG. 3. The perspective view of the horizontal- axis type rice mill in embodiment of this invention. FIG. 6 is a partial cross-sectional view of the horizontal axis rice milling machine of FIG. 5.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a horizontal axis rice milling machine. FIG. 2 shows a partial cross-sectional view of the milling portion of the horizontal axis rice milling machine of FIG.

A horizontal-axis type rice mill 1 shown in FIGS. 1 and 2 is a single-seat horizontal-axis rice mill that is formed by placing one rice milling unit 3 on a base frame 2.

  The rice milling unit 3 has a cylindrical fine metal mesh 41 and a whitening roll 43 that is mounted on the main shaft 42 and rotatably disposed in the fine metal mesh 41. A polishing unit 4 having a polishing chamber 44 formed therebetween, a driving unit 7 having a motor 71 that rotationally drives a main shaft 42 to which the whitening roll 43 is mounted, and a unit base 8 that can be stacked and connected are provided.

In the milling unit 4, a raw material supply unit is provided on one end side of the milling chamber 44, and a rice grain discharge unit is provided on the other end side.
The raw material supply unit includes a raw material supply cylinder 45 having a raw material supply port 46 and a raw material hopper 47 disposed in the raw material supply port 46. A spiral roll 48 that is mounted on the main shaft 42 and is driven to rotate is disposed in the raw material supply cylinder 45.

  The rice grain discharge unit includes a cylindrical rice grain discharge cylinder 50 having a rice grain discharge port 49 and a rice grain discharge basket 53 disposed at an outer position corresponding to the rice grain discharge port 49. The rice grain discharge rod 53 is provided with a resistance lid (compression plate) 51 that is energized by a resistance weight (weight) 52 to close the rice grain discharge port 49.

  The whitening roll 43 is provided with a whitening stirring projection 55 corresponding to the position of the milling chamber 44, and a rice grain discharge scraping projection 56 corresponding to the position of the rice grain discharge cylinder 50. Yes.

  The whitening roll 43 is mounted in the hollow portion of the main shaft 42. A large number of wind holes 57 are formed in the hollow portion of the main shaft 42, and a blower fan 58 communicating with the hollow portion is connected to one end side of the main shaft 42.

  On the other end side of the main shaft 42, a driven pulley 59 connected to a driving pulley (not shown) of the motor 71 in the driving unit 7 by a belt is disposed.

  A collection chamber 60 is formed around the collection chamber 44, and the collection chamber 60 communicates with a collection duct 61 provided below. A residual rice removing air nozzle 63 is disposed on one end side of the milling chamber 44 and below the raw material supply tube 45.

FIG. 3 is a cross-sectional view taken along the line AA in the fine part of FIG. 4 is a perspective view of FIG.
A part of the circumferential surface of the cylindrical rice grain discharge cylinder 50 is cut out at the circumferential surface position of the rice grain discharge cylinder 50 in the milling unit 4 so as to be tangential toward the positive rotation direction of the whitening roll 43. By extending, a downwardly inclined rice grain guide surface 50a intersecting with a vertical plane including the central axis of the rice grain discharge cylinder 50 is formed, and a rice grain discharge port 49 is provided at the tip of the rice grain guide surface 50a. ing.

  Further, at the circumferential surface position of the rice grain discharge cylinder 50 in the milling portion 4, a part of the peripheral surface of the rice grain discharge cylinder 50 on the side facing the tip of the rice grain guide surface 50a is cut out, and the whitening roll 43 The second rice grain guide surface 50b is formed by extending in the tangential direction toward the reverse rotation direction of the rice grains, and the rice grain is provided between the tip of the rice grain guide surface 50a and the tip of the second rice grain guide surface 50b. A discharge port 49 is provided.

  A rice grain discharge basket 53 having a resistance lid 51 that is energized by a resistance weight 52 and closes the rice grain discharge port 49 is disposed at the peripheral surface position of the rice grain discharge cylinder 50 and outside the rice grain discharge port 49. It is installed.

In the horizontal-axis type rice mill, the raw rice put into the raw material hopper 47 is supplied into the raw material supply cylinder 45 from the raw material supply port 46 and then sent to the milling chamber 44 by the spiral roll 48.

  The raw rice fed into the milling chamber 44 moves toward the rice grain discharge cylinder 50 while being refined by the action of the stirring protrusion 55 for milling provided on the milling roll 43. Then, the raw rice after the scouring is subjected to the action of the rice grain discharge scraping projection 56 provided on the whitening roll 43, and the resistance lid 51 provided on the circumferential surface position of the rice grain discharge cylinder 50 is provided. It is pushed open and discharged to the rice grain discharge trough 53 from the rice grain outlet 49.

  At that time, air blows out from a large number of air holes 57 formed in the hollow portion of the main shaft 42 by the action of the blower fan 58, so that the soot generated in the fine chamber 44 is generated from the mesh of the fine metal mesh 41. It is excluded to the collecting room 60.

  Here, the milling unit 4 of the horizontal axis type rice mill 1 is not limited to the friction type, and other types such as a grinding type and a cutting type can also be adopted.

  Moreover, in the said horizontal-axis type rice mill 1, it was assumed that rice was used as a raw material, but grains other than rice can also be used as a raw material.

The horizontal axis type rice milling machine cuts out a part of the circumferential surface of the cylindrical rice grain discharge cylinder 50 and extends in a tangential direction toward the normal rotation direction of the whitening roll 43, thereby the rice grain discharge cylinder 50. The rice grain guide surface 50a that intersects the vertical plane including the central axis of the rice grain is formed, and the rice grain discharge port 49 is provided at the tip of the rice grain guide surface 50a. It will be provided at the circumferential surface position, and the device will be compact with a reduced width.

Also, the horizontal axis type rice mill, since the rice grains discharge port 49 is provided on the peripheral surface position of the rice grain discharge tube 50, even though the main shaft 42 is disposed in the rice grain discharge tube 50, Since the rice grain discharge port 49 can be provided with the resistance lid 51 without being restricted in height position, the rice grain discharge port 49 is compact with the height of the milled portion 4 lowered.

The horizontal axis type rice milling machine cuts out a part of the peripheral surface of the cylindrical rice grain discharge cylinder 50 and extends in a tangential direction toward the normal rotation direction of the whitening roll 43, thereby discharging the rice grains. A downwardly inclined rice grain guide surface 50a intersecting with a vertical plane including the central axis of the cylinder 50 is formed, and a rice grain discharge port 49 is provided at the tip of the rice grain guide surface 50a. Since the rice grains are guided on the rice grain guide surface 50 a under the action of the positive rotation of the whitening roll 43, the rice grains after the milling can be smoothly discharged from the rice grain outlet 49.

Also, the horizontal axis type rice mill, the cut away portion of the peripheral surface of the rice grain discharge tube 50 on the side facing the tip of the rice grain guide surface 50a, the tangential direction toward the reverse rotational direction of the milling roll 43 The rice grain discharge port 49 is provided between the tip of the rice grain guide surface 50a and the tip of the second rice grain guide surface 50b. Even when the rice is rotated in the reverse direction, the rice grains after the milling can be smoothly discharged from the rice grain outlet 49.

In the horizontal axis type rice milling machine , the rice grain discharge cylinder 50 has been described as an example of a cylindrical shape, but it may be a rectangular cylinder.
In the case where the rice grain discharge cylinder 50 is formed in a square cylinder shape, the peripheral surface of the rice grain discharge cylinder 50 is linearly extended toward the positive rotation direction of the whitening roll 43, so that the rice grain discharge cylinder 50 A downwardly inclined rice grain guide surface 50a intersecting a vertical plane including the central axis may be formed, and a rice grain discharge port 49 may be provided at the tip of the rice grain guide surface 50a. Since the rice grains after being refined are guided on the rice grain guide surface 50a under the action of the forward rotation of the whitening roll 43, the rice grains after the refinement can be smoothly discharged from the rice grain outlet 49. it can.

FIG. 5 shows a perspective view of a horizontal- axis type rice mill in the embodiment of the present invention. FIG. 6 is a front view of the horizontal axis type rice milling machine of FIG. 5 and shows a partial cross-sectional view of the milling portion.

The horizontal-axis type rice milling machine shown in FIG. 5 and FIG. 6 is a three-seat type horizontal-axis type rice milling machine formed by stacking three rice milling units 3 a to 3 c on a base frame 2.
The basic structure of the three rice milling units 3a to 3c is the same as that of the rice milling unit 3 described with reference to FIGS. 1 to 4, and description thereof is omitted here.

In the horizontal axis type rice mill, the outlet of the rice grain discharge mill 53a in the milling section 4a of the first rice milling unit 3a is at the inlet of the raw material hopper 47b in the milling section 4b of the second milling unit 3b disposed below. Further, the third rice polishing unit 4b of the second rice milling unit 3b has an exit of the rice grain discharge mill 53b facing the inlet of the raw material hopper 47c in the milling unit 4c of the third rice milling unit 3c. The rice milling units 4 c of the rice milling unit 3 c of the rice milling unit 4 c are arranged in a staggered manner by alternately stacking the rice milling units 4 a to 4 c so that the outlet of the rice grain discharging unit 53 c faces the inlet of the product discharging unit 54. .

Also, the horizontal axis type rice mill, the respective pearling portions 4a~4c is, each spindle 42a~42c are stacked vertically so as to be positioned on face one lead, the pearling portion disposed below The inlets of the material hoppers 47b and 47c in 4b and 4c are arranged so as to be shifted in a direction perpendicular to the vertical plane on which the main shafts 42b and 42c are located.

In the horizontal axis type rice milling machine, the outlets of the rice grain discharge slags 53a and 53b in the scouring parts 4a and 4b are respectively connected to the inlets of the raw material hoppers 47b and 47c in the scouring parts 4b and 4c respectively disposed below. Further, it is assumed that the milled portions 4a to 4c are alternately stacked up and down so that the outlet of the rice grain discharge basket 53c in the milling section 4c faces the inlet of the product discharge basket 54. For example, a plurality of milling parts 4a to 4c having a reduced height can be stacked up and down to provide a compact, continuous-type horizontal axis rice milling machine.

Also, the horizontal axis type rice mill, the respective pearling portions 4a~4c is, each spindle 42a~42c are stacked vertically so as to be positioned on face one lead, the pearling portion disposed below If the inlets of the raw material hoppers 47b and 47c in 4b and 4c are arranged so as to be shifted in a direction perpendicular to the vertical plane on which the main shafts 42b and 42c are located, they are arranged below. Since the entrances of the raw material hoppers 47b and 47c can be provided at positions deviated from the uppermost parts of the respective finishing parts 4b and 4c, the upper and lower finishing parts can be arranged close to each other in the height direction. This makes it possible to further prevent an increase in the size of the device in the height direction in the case of the joint type.

The horizontal axis type rice milling machine is not limited to the frictional milling unit as the milling unit 4 of the plurality of rice milling units 3a to 3c, but can employ either a grinding milling unit or a cutting milling unit.

In the horizontal axis type rice milling machine, if any one of the frictional milling unit, the grinding milling unit, or the cutting milling unit is disposed in each of the plurality of rice milling units 3a to 3c, the type of raw material (Especially rice, glutinous rice, parboiled rice, rice bran), grain shape (short grain type, medium grain type, long grain type) and processing grade level (low grade, general grade, high grade grade) are easily optimized. Can be a combination.

Further, the horizontal axis type rice milling machine is a three-axis type horizontal axis type rice milling machine. However, depending on the type, grain shape, and processing quality level of the raw material, for example, any number of simultaneous-types such as 4-6 type If it is a rice mill, it becomes possible to make the form of the above-mentioned milling part into a more optimal combination.

In the embodiment of the present invention, it is assumed that rice is used as a raw material, but grains other than rice can also be used as a raw material.

  The present invention is not limited to the above-described embodiment, and it goes without saying that the configuration can be appropriately changed without departing from the scope of the invention.

  INDUSTRIAL APPLICABILITY The present invention can provide a compact horizontal axis type rice mill that can prevent the apparatus from becoming large.

DESCRIPTION OF SYMBOLS 1 Horizontal shaft type rice mill 2 Base stand 3 Rice mill unit 4 Milling part 41 Milling wire net 42 Main shaft 43 Milling roll 44 Milling room 45 Raw material supply cylinder 47 Raw material hopper 49 Rice grain discharge port 50 Rice grain discharge cylinder 50a Rice grain discharge guide surface 50b Second rice grain Guide surface 51 Resistive lid 52 Resistive weight 53 Rice grain discharge bowl 54 Fine product discharge bowl 55 Stirring projection 56 Scraping projection 7 Drive unit 8 Unit base

Claims (4)

A horizontal axis rice milling machine comprising a perforated cylinder and a milling roll rotatably disposed in the perforated cylinder, and comprising a milling section in which a milling chamber is formed between the perforated cylinder and the milling roll. There,
A raw material supply unit is provided at one end side of the milling chamber, while a rice grain discharge unit having a rice grain discharge cylinder is provided at the other end side,
By extending the peripheral surface of the rice grain discharge cylinder linearly toward the positive rotation direction of the whitening roll, a downwardly inclined rice grain guide surface intersecting with a vertical plane including the central axis of the rice grain discharge cylinder is formed. A rice grain outlet at the tip of the rice grain guide surface ,
The rice grain discharge port is provided with a rice grain discharge basket together with a resistance lid, and a plurality of the rice grain discharge baskets are arranged so that the outlet of the rice grain discharge basket faces the inlet of the raw material supply unit in the other milling unit disposed below. Arrange the nymph section alternately and vertically,
The plurality of polishing units are stacked one above the other so that the center axis of each polishing roll is positioned on one vertical plane, and the entrance of the raw material supply unit in the polishing unit disposed below is the each polishing roll the horizontal axis type rice milling machine, characterized in Rukoto provided at a position shifted in the direction of the central axis is perpendicular to a vertical plane located in.   The rice grain discharge cylinder is cylindrical, and the downwardly inclined rice grain guide surface is formed by extending a peripheral surface of the rice grain discharge cylinder in a tangential direction toward a positive rotation direction of the whitening roll. Item 1. A horizontal axis rice milling machine according to item 1.   A second rice grain guide surface is formed by extending a peripheral surface of the rice grain discharge cylinder on the side facing the tip of the rice grain guide surface in a tangential direction toward the reverse rotation direction of the whitening roll, and the rice grain guide The horizontal axis type rice milling machine according to claim 2, wherein the rice grain discharge port is provided between a front end of a surface and a front end of the second rice grain guide surface. The horizontal axis type rice milling machine according to any one of claims 1 to 3, wherein each of the plurality of milling parts is provided with any one of a friction type, a grinding type, and a cutting type.

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