JPH05245397A - Rice milling device - Google Patents

Abstract

PURPOSE:To narrow the installation area of a rice milling device by fixing a lower driven pulley to the lower end of a longitudinal rotary main shaft, fixing an upper driven pulley to the lower end of a rotary cylinder and arranging both a main motor for rotating the longitudinal rotary main shaft and a submotor for rotating the rotary cylinder at the vertical positions of the same side part of a case respectively. CONSTITUTION:This rice milling device is equipped with a friction type grain milling roll 15 fixed to a longitudinal rotary shaft 10 in the inside of a case 1, a descending friction type grain milling chamber 18 formed around the grain milling roll 15, a grain downward feeding spiral 16 fixed to the upper part of the longitudinal rotary shaft 10, a grain feeding chamber 79 formed around the grain feeding spiral 16, a rotary cylinder 36 concentrically provided in the external circumferential part of the grain feeding chamber 79, a grinding type grain milling roll 38 provided in the external circumference of the rotary cylinder 36 and an ascending grinding type grain milling chamber 44 formed around the grain milling roll 38. A lower driven pulley 14 is fixed at the lower end of the main shaft 10. An upper driven pulley 37 is fixed at the lower end of the rotary cylinder 36. Both a main motor 76 for rotating the main shaft 10 and a submotor 77 for rotating the rotary cylinder 36 are arranged at the vertical positions of the same side part of the case 1 respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice polishing apparatus.

[0002]

2. Description of the Related Art Conventionally, a downflow type friction milling chamber formed by surrounding a friction-type grain mill roll fixed to a vertically rotating main spindle with a bran removal pipe and a lower portion fixed to an upper position of the friction-type grain mill roll. The grain feeding chamber formed by surrounding the feeding grain spiral with a grain feeding barrel and the periphery of a grinding type grain milling roll fixed to the outer periphery of a rotary cylinder concentrically provided on the outer periphery of the grain feeding chamber are removed. It consists of a rising grinding grain chamber formed by being surrounded by a bran tube, and the rice grains initially milled in the rising grinding grain chamber are guided to the friction rice polishing chamber for finishing rice polishing, and the vertical rotation spindle The lower passive pulley is fixed to the lower end of the rotary cylinder and the upper passive pulley is fixed to the lower end of the rotary cylinder, and the motor for rotating the longitudinal rotary shaft and the motor for rotating the rotary cylinder are arranged outside the case. It was filed as Japanese Patent Application No. 2-214721. .

[0003]

The motor for rotating the vertically rotating main shaft and the motor for rotating the rotary cylinder of the prior invention are arranged outside the case, but one of them is on the left side,
The other was on the right. Therefore, a vast installation area was required.

[0004]

Therefore, according to the present invention, the friction type grain refinement roll 1 fixed to the longitudinal rotation main shaft 10 in the case 1 is provided.
5 is provided to remove the bran cylinder 17 around the friction-type grain milling roll 15.
To form a flow-down type friction grain refining chamber 18, a downward feeding grain feeding spiral 16 is fixed above the friction type grain rolling roll 15 of the vertically rotating main shaft 10, and the periphery of the grain feeding spiral 16 is fed. A grain feeding chamber 79 is formed by being surrounded by the grain barrel 33, and a grinding-type grain rolling roll 38 is attached to the outer periphery of a rotary cylinder 36 that is concentrically provided on the outer peripheral portion of the grain feeding chamber 79. The surroundings are surrounded by a bran removing cylinder 43 to form an ascending-type grinding and graining chamber 44, and rice grains initially milled while rising in the ascending-type grinding and graining chamber 44 pass over the upper part of the grinding-type graining roll 38. In the rice milling apparatus, which is made to flow into the inner grain transfer chamber 79 to finish the rice in the downflow-type friction grain polishing chamber 18, the vertically rotating spindle 1
The lower passive pulley 14 is fixed to the lower end of 0, the upper passive pulley 37 is fixed to the lower end of the rotary cylinder 36, and the main motor 76 for rotating the vertical rotation main shaft 10 and the auxiliary motor 77 for rotating the rotary cylinder 36 are the case 1's. This is a rice milling device placed on the same side in the vertical position.

[0005]

EXAMPLES The structure of the present invention will be described with reference to one example. 1 is a case installed on the floor, 2 is a frame of case 1, and case 1 is formed of a thin iron plate into a vertically long rectangular box. ing. A horizontal partition 3 is provided at a lower position in the case 1, and a lower transmission chamber 4 is formed under the horizontal partition 3. A vertical through hole 5 is formed in the center of the horizontal partition stand 3, and a vertical fixed tube 6 is placed in the upper center of the through hole 5 of the horizontal partition stand 3. Secure with screws 7.

The upper end of the vertically fixed cylinder 6 is opened laterally to form a brim-shaped support base 8. A hollow vertical rotating main shaft 10 is mounted in the vertical fixed cylinder 6 via upper and lower bearings 9. Reference numeral 11 denotes a blow chamber formed between the vertically rotating main shaft 10 and the vertically fixed cylinder 6, 12 denotes a blowing cylinder attached to the outer periphery of the vertically fixed cylinder 6, and 13 denotes the vertically rotatable main shaft 1.
It is a blow hole formed in 0. The lower end of the vertically rotating main shaft 10 passes through the through hole 5 and projects below the horizontal partition table 3 to reach the inside of the lower transmission chamber 4, and the lower passive pulley 14 is fixed to the lower end. The upper end of the vertically rotating main shaft 10 projects upward from the support base 8, a lower friction type grain refining roll 15 is replaceably fitted and attached from above, and a lower feed grain feeding spiral 16 is fit above that so as to be exchangeable from above. Install together.

The area around the lower friction type grain mill roll 15 is shown in FIG.
As shown in FIG.
8 is formed. The flow-down type lower friction milling chamber 18 is formed between an upper partition frame 19 and a lower partition frame 20 which form the upper end of the case 1. The bran removal cylinder 17 is pressed from the outside by the openable frame 21 after mounting. The openable / closable frame 21 is composed of two sets of left and right, one end of the left free frame 22 and the right free frame 23 is axially attached by the vertical axis 24 and the vertical axis 25, respectively, and the other end of the left free frame 22 and the right free frame 23. Is fastened with a fixing bolt 26, and when the bran removal cylinder 17 is replaced, the openable / closable frame 21 is opened left and right for replacement. Reference numeral 27 denotes an intermediate wall that surrounds the openable / closable frame 21 in an approximately concentric manner. The inside of the intermediate wall 27 serves as a suction chamber 28, which is connected to a blower provided at an arbitrary position.
Since the intermediate wall 27 is an obstacle during the replacement work of the bran removal cylinder 17, it has an openable and closable structure, and when the fixing bolt 29 is loosened, it is disassembled to the left and right. Downflow-type lower friction rice mill 1 of case 1
8 is a part of the outer wall 30 where the lower part is fitted and the upper part is screwed 3
Make it detachable by tightening with 1.

The vertically rotating main shaft 10 projects above the case 1 through a through hole 32 provided in the upper partition frame 19, a lower feeding grain spiral 16 is attached thereto, and a grain feeding tube 33 surrounds the lower feeding grain spiral 16. A grain feeding chamber 79 is formed between the lower feeding grain feeding spiral 16 and the grain feeding barrel 33, and the grain feeding barrel 33 is detachably fixed to the upper surface of the upper partition frame 19 of the case 1 with a screw 78. The grain transfer barrel 33 has a shorter height than the lower feed grain transfer spiral 16, and an annular funnel 34 that opens at the upper end of the grain transfer barrel 33 toward the upper end.
Fit. A bearing 3 is provided on the outer circumference of the grain transfer cylinder 33.
The rotary cylinder 36 is attached via 5, the upper passive pulley 37 is attached to the outer circumference of the lower end of the rotary cylinder 36, and the grinding-type grain roll 38 is fitted to the outer circumference of the upper end of the rotary cylinder 36. The upper passive pulley 37 is above the upper partition frame 19. The grinding type grain roll 38 has an annular structure with a small vertical width as shown in the figure,
The upper edge 39 is slightly higher than the upper edge 40 of the lower feed grain spiral 16, and the lower edge 41 is around the upper and lower intermediate position of the lower feed grain spiral 16.

The upper edge 40 of the grinding type grain rolling roll 38 is an inclined portion 42 that is cut obliquely, and the outer circumference of the grinding type grain rolling roll 38 is surrounded by a bran removing cylinder 43. A space between the grinding type grain refiner roll 38 and the bran removing cylinder 43 constitutes an ascending type grain milling room 44. An inflow port 45 is formed in one corner of the lower part of the bran removing cylinder 43, and the inflow port 45
A forced supply cylinder 46 is provided outside the. The forced supply cylinder 46 is a vertical cylinder, and the vertical axis 48 is axially mounted on the bottom wall 47, and the lower feed spiral blade 49 is attached to the outer periphery of the vertical axis 48. The lower feed spiral blade 49 is provided up to the vicinity of the upper portion of the inflow port 45, and a pushing blade 50 is attached to a position facing the inflow port 45. Reference numeral 51 denotes a boss of the pushing blade 50, which has a mountain shape. The vertical axis 48 and the upper ends of the lower feed spiral vanes 49 are free ends.

As shown in FIG. 6, a spiral 54 extending from the lower edge 52 to the upper edge 53 is provided on the inner surface of the bran removing cylinder 43. The spiral 54 is a multi-screw, and in the embodiment, nine spirals are provided. They are evenly spaced. The spiral 54 guides the grain upwards. As shown in FIG. 5, a lid 55 that can be opened and closed is provided on the upper part of the bran removing cylinder 43, the grinding grain refinement roll 38, and the lower feed grain spiral 16, and the lid 55 can be opened and closed by a hinge mechanism 56 at one end. The lid 55 has a regular circular shape in a plan view, and a round hole 57 is formed in the center thereof, which is substantially the same as the grain feeding tube 33, and a rotary plate 58 is fitted into the round hole 57. On the inner surface of the lid 55, about 6 radial guide plates 59 are attached from the periphery to the center as shown in FIG. The guide plate 59 has a radial shape as a whole, and in the vicinity of the round hole 57 at the inner end, it becomes a bent portion 60 that is bent like a key, and the grain that has flowed in from the inflow port 45 and has risen in the ascending-type grinding grain chamber 44 is guided. Board 59 and guide board 59
It is supplied to the annular funnel 34 through the connection path 61 between the two.

In the lifting type grinding and graining chamber 44, since the rotation of the grinding type graining and rolling roll 38 is fast, rice grains may stick to the corners on the outer periphery of the upper end of the lifting type and milling chamber 44 and become immobile. Therefore, the outer peripheral side of the discharge port 85 at the upper end of the ascending-type grinding and graining chamber 44 is formed as an inclined corner 87 whose diameter becomes smaller toward the upper part. A vertical axis 62 is provided in the middle of the communication path 61.
Resistor plates 63 that are attached to the shafts to close the communication paths 61 are respectively provided. Arms 64 projecting from the resistor plates 63 come into contact with protrusions 65 provided on the rotary plate 58, and when the resistor plates 63 feel a load and open. The protrusion 64 is pushed by the arm 64 to rotate the rotary plate 5
Rotate 8 by load.

Reference numeral 66 is a spring that gives resistance to the rotation thereof, and is connected to a motor 67 to adjust the strength. An annular outlet 68 is formed in the lower portion of the friction-type grain roll 15, and an opening / closing valve 69 that moves up and down to open and close is provided at the outlet 68. Reference numeral 70 is a support arm, 71 is a spring, and 72 is a motor. A flow rate control valve 73 is provided above the forced supply cylinder 46. 74 is a motor for opening and closing the flow control valve 73,
75 is a remaining rice blowing port, 76 is a main motor, 77 is a sub motor,
79 is a grain feeding room, 86 is a blower blower, and 88 is a forced supply cylinder 4.
6 is a mounting frame for mounting the main motor 7
6 and the auxiliary motor 77 are arranged on the same side of the case 1 and at the upper and lower positions (see FIG. 6). When the screw 78 is removed, the grain feeding cylinder 33 and the mounting frame 88 are all removed together from the case 1, and the lower grain feeding spiral 16 is exposed.

[0013]

In the structure shown in FIG. 2, when the lower passive pulley 14 is rotated by the main motor 76, the friction-type grain rolling roll 15 and the lower feed grain spiral 16 are rotated, and when the auxiliary motor 76 is rotated by the upper passive pulley 37. The grinding grain roll 38 rotates. In this state, when the vertical axis 48 is rotated to rotate the lower feed spiral blade 49, the brown rice in the forced supply cylinder 46 is lowered by the lower feed spiral blade 49 and is fed into the inflow port 45 by the pushing blade 50, so that Ascending-type grinding grain chamber 44 from entrance 45
Flows in. The brown rice that has flowed into the ascending-type grinding grain chamber 44 through the inflow port 45 is that the subsequent brown rice is forcibly fed by the downward feed spiral blades 49, and that the inner surface of the bran removing cylinder 43 is located above the lower edge 52. Since about nine multi-stripe spirals 54 reaching the edge 53 are formed, the inside of the lifting-type grinding and graining chamber 44 is easily lifted, and 10% or 20% of the initial polishing is carried out, and then the guiding plate 59 is lifted. It is stored in the communication path 61 between the guide plates 59.
Grains stored in the communication path 61 gradually increase in pressure and press the resistance plate 63 to open, gradually flow into the grain feeding cylinder 33, and are fed downward by the downward feeding grain feeding spiral 16.
Finished rice is milled in the flow-down type friction grain chamber 18.

[0014]

According to the present invention, the vertically rotating main shaft 10 is provided in the case 1.
Is provided with a friction-type grain refining roll 15 and the periphery of the friction-type grain refining roll 15 is surrounded by a bran removing cylinder 17 to form a flow-down type friction grain refining chamber 18, and the friction type of the vertically rotating main shaft 10 is provided. The lower feed grain spiral 16 is fixed above the grain refiner roll 15, the periphery of the grain spiral 16 is surrounded by the grain barrel 33 to form a grain transport chamber 79, and the grain transport chamber 79 is formed on the outer peripheral portion thereof. A grinding type grain roll 38 is attached to the outer periphery of the rotary cylinder 36 provided concentrically,
The rising grain grinding chamber 44 is formed by surrounding the milling roll 38 with a debranching cylinder 43, and the rice grains initially milled while rising in the rising grinding grain chamber 44 are the above-mentioned grinding grains. In the rice milling apparatus, which passes over the upper portion of the roll 38 and flows into the inner grain feeding chamber 79 to finish the milled rice in the flow-down friction grain polishing chamber 18, the lower passive pulley 14 is provided at the lower end of the vertically rotating main shaft 10. The upper passive pulley 37 is attached to the lower end of the rotary cylinder 36.
And a main motor 7 for rotating the vertically rotating main shaft 10.
6 and the auxiliary motor 77 for rotating the rotary cylinder 36 are the rice polishing devices arranged on the same side of the case 1 in the vertical position. Since the two motors 76 and 77 are arranged at the upper and lower positions on the same side of the case 1, the installation area can be reduced. B. Since the two motors 76, 77 are arranged on the same side of the case 1 at the upper and lower positions, it is easy to pick up the safety cover for preventing danger.

[Brief description of drawings]

FIG. 1 is an overall side view.

FIG. 2 is a vertical sectional side view of a grinding and friction rice polishing machine.

FIG. 3 is a cross-sectional plan view of a flow-down type friction milling room.

FIG. 4 is an enlarged vertical side view of a part of a lifting-type grinding rice polishing room.

FIG. 5 is a perspective view of a bran removing cylinder.

FIG. 6 is a plan view showing positions of a communication path and a motor.

FIG. 7 is a perspective view of a connecting path.

[Explanation of Codes] 1 ... Case, 2 ... Bone frame, 3 ... Horizontal partition, 4 ... Lower transmission chamber, 5 ... Through hole, 6 ... Vertical fixed cylinder, 7 ... Screw, 8 ... Collar-shaped support, 9 … Bearing, 10… Vertical rotation spindle, 11… Blowing chamber, 1
2 ... Blowing cylinder, 13 ... Blowing hole, 14 ... Lower passive pulley, 1
5 ... Friction type grain milling roll, 16 ... Downward feeding grain feeding spiral, 17
... Bran removing cylinder, 18 ... Flowing-down type friction milling room, 19 ... Upper partition frame, 20 ... Lower partition frame, 21 ... Openable frame, 22 ... Left free frame, 23 ... Right free frame, 24 ... Vertical axis, 25 … Vertical axis, 26
... fixing bolt, 27 ... intermediate wall, 28 ... suction chamber, 29 ... fixing bolt, 30 ... outer wall, 31 ... screw, 32 ... through hole, 33
… Grain cylinder, 34… Annular funnel, 35… Bearings, 36…
Rotating cylinder, 37 ... Passive pulley on the upper side, 38 ... Grinding type grain roll, 39 ... Upper edge, 40 ... Upper edge, 41 ... Lower edge, 42 ... Inclined part, 43 ... Bran removing cylinder, 44 ... Ascending type grinding grain Chamber, 45 ... Inlet, 46 ... Forced supply cylinder, 47 ... Bottom wall, 48 ... Vertical axis, 4
9 ... Lower feed spiral blade, 50 ... Pushing blade, 51 ... Boss, 5
2 ... lower edge, 53 ... upper edge, 54 ... multi-threaded spiral, 55 ... lid, 5
6 ... Hinge mechanism, 57 ... Round hole, 58 ... Rotating plate, 59 ... Guide plate, 60 ... Bending part, 61 ... Connecting path, 62 ... Vertical axis, 63
... resistor plate, 64 ... arm, 65 ... protrusion, 66 ... spring, 6
7 ... Motor, 68 ... Outflow port, 69 ... Open / close valve, 70 ... Support arm, 71 ... Spring, 72 ... Motor, 73 ... Flow control valve, 74 ... Motor, 75 ... Remaining rice blowing port, 76 ... Main motor, 77 ... Sub-motor, 78 ... Attachment / detachment bolt, 79 ... Grain feeding chamber, 80 ... Communication chamber, 81 ... Bearing, 82 ... Immovable cylinder,
83 ... Resistance tube, 84 ... Counterpart tubular member, 85 ... Outflow port,
86 ... Blower, 87 ... Inclined corner, 88 ... Mounting frame.

Claims (1)

[Claims] 1. A friction-type grain refining roll 15 fixed to a vertically rotating main shaft 10 is provided in a case 1, and the friction-type grain refining roll 15 is provided.
Is surrounded by a bran removing cylinder 17 to form a flow-down type friction-graining chamber 18, and the friction-type grain-rolling roll 1 of the vertically rotating main shaft 10 is formed.
5, the lower feed grain spiral 16 is fixed, the periphery of the grain spiral 16 is surrounded by the grain barrel 33 to form a grain feeding chamber 79, and the grain feeding chamber 79 is concentrically formed on the outer peripheral portion of the grain feeding chamber 79. Rotating cylinder 36 provided
A grinding-type grain refining roll 38 is attached to the outer periphery of the grain-raising roll 38, the periphery of the grain-refining roll 38 is surrounded by a bran removing cylinder 43, and the lifting-type grinding grain refining chamber 4 is provided.
4, the rice grains that have been initially milled while rising in the ascending-type grinding and grain-growing chamber 44 flow over the upper part of the grinding-type grain-refining roll 38 into the inner grain-feeding chamber 79 and flow-down-type friction milling. In a rice milling apparatus for finishing rice in the grain chamber 18, a lower passive pulley 14 is fixed to a lower end of the vertically rotating main shaft 10, and an upper passive pulley 37 is fixed to a lower end of the rotary cylinder 36.
A rice polishing apparatus in which a main motor 76 for rotating the vertically rotating main shaft 10 and a sub motor 77 for rotating the rotary cylinder 36 are arranged at the same side of the case 1 in the vertical position.