JP2011240284A - Rice husking and milling facility - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rice husking and milling facility whose mechanical room is compactified and which is capable of being stably operated by securing the smooth operation of a rice husking and wind sorting treatment in a centrifugal-type rice husking machine constituted of an impeller and a wind sorting section.SOLUTION: The rice husking and milling facility is so structured that in a machine room B formed backward of a customer's room A, a centrifugal-type rice husking machine 4, a stone removal machine 5, and a rice polishing machine 7 are equipped to be able to continuously and automatically treat; the centrifugal-type rice husking machine 4 is constituted of an impeller section in which the impeller 21a is installed in an impeller case 21 to impact-husk, a passing cylinder 22 to guide husked grains upward, and the wind sorting section 23 communicating with the passing cylinder 22; a lift 3 to discharge the grains at an upper position is installed in the vicinity of the centrifugal-type rice husking machine 4; and an unhulled rice dropping cylinder 25 descending from the lift 3 and communicating with a feed port 21b of the impeller section 21, and a husked rice dropping cylinder 26 descending from a lower part delivering port 23c of the wind sorting section 23 and communicating with the stone removal machine 5 are installed.

Description

  TECHNICAL FIELD The present invention relates to a rice milling rice equipment which is provided with a set of equipment for rice milling rice and is configured to be able to automatically process rice bran removal and brown rice polishing.

  The building is divided into front and rear to form a guest room and a machine room. The machine room has an input hopper and white rice hopper for operating the guest room, and a rice grinder and brown rice that are connected to these devices to release the rice. There is known a rice milling machine that is equipped with a rice milling machine for whitening rice and automatically processing rice bran removal and brown rice milling. In particular, the rice milling machine of Patent Document 1 is an example in which a centrifugal rice mill is removed by centrifugal impeller and the arrangement of various devices in the machine room is rationalized.

JP-A-11-226434

  However, by rationalizing the equipment layout and making the machine room compact, it may be impossible to transfer the grain between the equipment, and this may lead to the problem that stable operation of the rice milling equipment cannot be ensured. Become. In particular, in a centrifugal huller composed of an impeller section and a wind selection section, an impeller for centrifugally dropping the grain is installed in the impeller case of the impeller section, and the thrown-off grain is removed from the impact. Since the grain transfer configuration is necessary to wind-separate the rice husks in the defatted grain by installing a blower in the wind selection section, the rice cake that extends from the brown rice supply port of the impeller section to the brown rice feed outlet of the wind selection section It is necessary to ensure smooth operation of the hulling wind selection process in harmony with the flow of the grain inside the sliding machine and the flow of the grain between the connected devices.

  An object of the present invention is to achieve a stable operation by ensuring a smooth operation of the hulling wind selection process in a centrifugal hulling machine composed of an impeller unit and a wind selection unit while reducing the size of the machine room. The purpose is to provide rice milling equipment.

  The invention according to claim 1 divides the building into two parts by a partition wall, and arranges a guest room for a user to operate and a machine room for storing rice huller and rice milling equipment in the front-rear direction, Has a feeding hopper inlet and a white rice hopper outlet, and the machine room has a centrifugal rice grinder that centrifuges and removes polished rice, a stone remover that sorts brown rice contaminants by specific gravity, and a polished rice that refines brown rice In the milled rice milling equipment, which is equipped with a machine and continuously and automatically processes the milled rice and unpolished rice milling, the centrifugal milling machine is equipped with an impeller for centrifugally dispensing the grains in an impeller case having a feed port for receiving the milled rice An impeller part for impact defluxing, a passage cylinder for guiding the degranulated grains upward, an upper opening communicating with the passage cylinder for receiving the degranulated grains and a lower outlet for delivering the degranulated brown rice. The centrifugal type huller In the vicinity, there is an elevator that places the grain received from the input hopper upward, and there is a rice drop tube that descends from this elevator and communicates with the supply port of the impeller unit, and descends from the lower outlet of the wind selection unit A detaching rice dropping cylinder communicating with the stone removing machine is provided.

  The rice milling equipment of the invention according to claim 1 can continuously and automatically process rice bran pulverization and brown rice milling by a series of equipment control of a charging hopper, a centrifugal rice milling machine, a stone punching machine, a rice milling machine, and a white rice hopper, In the hulling process by the centrifugal hulling machine, the impeller section is connected to the wind selection section with an ascending passage cylinder, and the impeller section receives a low-level supply of dried rice to remove the unpolished brown rice from the upper wind selection section. In addition, a lifting machine with a high-throwing machine is installed and the centrifugal rice huller is lowered and communicated with the rice dropper, and from the centrifugal rice huller to the stone removal machine is lowered and communicated with the removed rice dropping cylinder. Thus, the glutinous rice sent out from the feeding hopper descends from the elevator to the centrifugal rice huller, and descends to the stone remover after passing through the upper opening of the wind-selecting section by the ascending action of the impeller.

According to a second aspect of the present invention, in the configuration of the first aspect, a centrifugal huller is disposed behind the elevator, and a stone punching machine is disposed on a side of the elevator, and the centrifugal huller is disposed at a rear portion of the impeller portion. Place the passage cylinder, place the wind selection section on the side of the impeller section on the side of the stone removal machine, arrange the lower outlet at the front part of this wind selection section, and then remove the rice falling pipe from the elevator It is characterized in that the detached rice dropping cylinder is arranged from the lower outlet of the wind selection section toward the front lower side, facing downward.
The above rice hull milling equipment is connected to the front and rear elevators and centrifugal rice hullers in front and back with a rice dropper, and a passage cylinder stands at the rear of the centrifugal rice huller. The hulling machine and the stone remover are connected back and forth with a detaching rice dropping cylinder, and are configured without overlapping or crossing in plan view.

The rice hull milling equipment of the invention according to claim 1 can continuously and automatically process rice bran defluxing and brown rice milling by a series of equipment control including a centrifugal rice huller, and in the rice hulling process by the centrifugal rice huller Is a passage cylinder that guides the deflated grains upward from the impeller section to the wind selection section. Then, when the impeller is supplied with the glutinous rice, the unboiled brown rice is sent to the wind selection unit disposed at the upper level, and the air from the wind selection unit to the stone remover is lowered and communicated with the drop rice drop cylinder.
Therefore, the rice bran fed from the feeding hopper descends from the elevator to the centrifugal rice huller, is guided upward by the impeller, passes through the upper opening of the wind selection section, and then is forced to descend With a simple grain transfer path that does not require any special drive for transfer, it is possible to secure a high-quality and smooth defatted wind selection process while reducing drive costs.

  In addition to the effect of claim 1, the rice hull milling equipment of the invention according to claim 2 connects the elevator and the centrifugal rice huller arranged in the front and back with a rice dropper, and the centrifugal rice huller Since the passage cylinder is erected at the rear, and the stone remover and centrifugal hulling machine placed on the side of the elevator are connected back and forth with the detaching rice dropping cylinder, the falling rice dropping cylinder, the passing cylinder and the detaching rice falling Since the cylinders do not overlap in plan view, the arrangement and configuration of the grain flow path can be facilitated, and a wide space as a maintenance space can be secured on the upper surface of the stone remover.

Block diagram showing the work process of the main components of the rice milling equipment Whole plan view of rice milling machine Front view of main parts of machine room Enlarged side view of the main part of the machine room Floor plan of the partition wall Impeller perspective view with exploded view

Embodiments specifically configured based on the above technical idea will be described below with reference to the drawings.
As shown in the block diagram showing the work process of the main components shown in FIG. 1, the rice hull milling equipment 1 according to the present invention receives the fed grain and throws it up and throws it up. A first lifting machine 3, a centrifugal hulling machine 4 for centrifugally removing the thrown-out rice, a stone removing machine 5 for sorting out foreign matter in the received brown rice, a second lifting machine 6 for raising and throwing out the sorted-out brown rice, The machine includes a rice mill 7 for milling and milling the thrown brown rice, a white rice hopper 8 for storing the milled white rice, and the like, and configured to enable continuous automatic processing of rice bran removal and brown rice milling.

  The first elevator 3 is provided with a first switching valve 3a serving as switching means for sending to the stone remover 5 when brown rice is received, and is configured to be switchable with the centrifugal huller 4. In order to return the input grain to the return port 3c provided above the input hopper 2, a second switching valve 3b is provided below the first switching valve 3a so as to be switchable between the return passage 3d side and the stone remover 5 side. .

  As shown in the overall plan view of FIG. 2 and the front view of the main part of the machine room in FIG. 3, the specific arrangement of the equipment of the rice milling rice mill 1 is divided into two by a partition wall 11a. A guest room A for operation and a machine room B for storing equipment for sashing and milling are formed in the front and rear. The building 11 has one of the left and right side walls 11b, 11b as the input side C and the other as the take-out side D, and forms maintenance ports 11c, 11e of the machine room B in both side walls 11b, 11b. A central door 12 is provided at a substantially central position. The central door 12 is provided with an operation panel 12a to be described later on the cabin side.

A loading port for the loading hopper 2 is provided on the left and right sides of the cabin A, and a bag placing table 2 a is provided on the front side of the loading port of the loading hopper 2. Further, a discharge port for the white rice hopper 8 is provided on the left and right other sides.
In the machine room B, the first elevator 3 and the centrifugal huller 4 are arranged in this order from the front side along the position adjacent to the side wall 11 b on the input side C and behind the input hopper 2. The centrifugal huller 4 is disposed at a position facing the maintenance port 11c formed in the side wall 11b on the charging side C. The maintenance port 11c is configured to be opened and closed by an opening / closing door 11f, and is used by an administrator to enter and exit the machine room B for inspection. In addition, the maintenance port 11e is formed also in the extraction side wall 11b, and it is the structure opened and closed by the 2nd opening-and-closing door 11g.

  In the central part of the machine room B, the second elevator 6 is arranged in the vicinity of the central door 12, and the stone punching machine 5 is arranged at a position facing the central door 12 behind it. On the take-out side D of the machine room B, a rice mill 7 is arranged behind the white rice hopper 8 at a position adjacent to the side wall 11b, and a centrifugal separator 15 comprising a cyclone 15b and a transfer helix 15a and a straw bag E, behind the rice mill 7 are arranged. Place E.

  The detailed configuration of the centrifugal huller 4 accommodates an impeller 21a for centrifugally dispensing the grains by rotating blades, as shown in the enlarged side view of the main part in FIG. 4 and the perspective view of the impeller with exploded view in FIG. Then, an impeller part is constructed from the impeller case 21 that impact-depresses the grain received from the supply port 21b formed at the axial center position, and the impeller part and the deflated grain by the impeller part are guided and dispensed upward. The defluxing passage cylinder 22 to be arranged is arranged to face the maintenance port 11c. When the administrator opens the opening / closing door 11f, the impeller portion 21 and the deflated particle passing cylinder 22 are exposed to the outside of the building 11, and the administrator can perform maintenance such as replacement of the impeller 21a from outside the building. .

  Further, the height of the first elevator 3 is set such that the wind-selecting portion 23 that receives the degranulated particles that have passed through the degranulated particle passing tube 22 at the upper end opening 23a and sucks and separates the rice husks by the suction fan 23d is located at an inner position from the impeller case 21. Place it at a high position within the range. The wind selection unit 23 includes a downflow plate 24b formed from the lower side of the upper end opening 23a to the front, a suction fan 23d, a wind selection path 24c through which the rice husk sucked by the suction fan 23d passes, a dust discharge cylinder 23b, A brown rice sending / outlet 23c provided below the trailing end of the plate 24b, the brown rice sending part is opened at the lower part of the front end of the wind selection part 23, and the dust discharge cylinder 23b is supported by penetrating the rear wall 11d, and is centrifuged if necessary. The transfer spiral 15a of the part 15 is connected to discharge the overflow soot.

  The impeller case 21 is configured to be openable by the inspection lid 21c, and the defluxing passage cylinder 22 is configured to be detachably connected between the impeller case 21 and the wind selection unit 23 so that the impeller unit 21 can be disassembled. . The wind selection unit 23 is provided with a second ridge 24 into which immature shiina grains flow, and communicates with the supply port 21b of the impeller 21a formed in the impeller case 21. The supply port 21b is disposed at a position lower than the inlet 24a of the second slag 24 in order to quickly introduce the rice grains into the impeller part 21 and quickly remove the glutinous rice. Inclined.

  The centrifugal rice huller 4 is connected to the rear side of the first elevator 3 by placing the supply port 21b of the impeller case 21 at a position lower than the first switching valve 3a and inclining the rearwardly downward between the two. Communicate with each other. A brown rice supply port 27a of the stone remover 5 is arranged at a low position in front of the brown rice feed opening 23c opened at the lower front end of the wind selection section 23, and communicates by a detached rice dropping cylinder 26 that inclines forward and downward. The removed rice dropping cylinder 26 is configured to branch from the first switching valve 3a, incline downward and inward, and merge with the brown rice dropping cylinder 27 at the brown rice supply port 27a of the stone remover 5. The brown rice dropping cylinder 27 is provided with a second switching valve 3b in the middle.

  As for the transmission part of the centrifugal huller 4, an electric motor 28 that belt-transmits the impeller part 21 and the wind selection part 23 is provided below the wind selection part 23 and is divided into upper and lower divided transmission covers 29a and 29b. Is provided. The electric motor 28 is configured so that the fixing position can be adjusted with respect to the inclined frame 28a in order to adjust the belt tension, and an idler (not shown) is fixed between the pulley of the impeller portion 21 to secure the belt winding angle. Deploy. The transmission cover 29b in the lower half is configured to be capable of resisting pressure received from the adjacent bag E with increased rigidity.

On the partition wall 11a of the guest room A, as shown in the guest room side view of FIG. 5, the input hopper 2 with a grain input shutter is disposed on the input side C, and the white rice hopper 8 for extracting white rice is disposed on the output side D. By using the operation panel 12a provided on the central door 12, the grain brought by the user is subjected to either a rice bran milling process or brown rice milling process by fully automatic operation according to the selection specification of the rice milling specification. Can do.
The operation panel 12a is provided with a charge input port 13a and a whiteness selection switch 13b, and has a built-in control unit (not shown).

  Then, when the user inputs a fee, puts rice bran or brown rice into the input hopper 2, and selects a desired whitening degree with the whitening degree selection switch 13b, each unit of the machine room B starts operation. In the present embodiment, the feeding hopper 2 is provided with a sensor (not shown) for discriminating between rice bran and brown rice, selects either rice milling rice treatment or brown rice rice treatment, and operates based on the work process sequence shown in FIG.

When the grain put into the input hopper 2 is rice cake, the first elevator 3, the impeller unit 21 and the wind selection unit 23 of the centrifugal rice huller 4 are subjected to rice cake (dehulling) and wind selection of rice husk, The rice milling machine 7 performs the rice milling process through the stone remover and the second elevator, and discharges the milled rice to the white rice hopper 8.
When the grain put into the input hopper 2 is brown rice, it is supplied from the first elevator 3 to the stone remover, processed by the rice mill 7 through the second elevator, and discharged to the white rice hopper 8. To do.

  When grain has remained in the charging hopper 2 after the operation time for the fee has elapsed, when the return switch 2b is pressed, the first elevator 3 is driven and the first switching valve 3a To the 5 side, the second switching valve 3b is switched to the return port 3c side, and the user receives the remaining grains in the input hopper 2 through the return passage 3d from the return port 3c with a bag or the like.

  By configuring the rice milling machine 1 as described above, the operation guidance is started by charging the operation panel 12a, and the rice milling specification by selecting the distinction of the brown rice, the selection of the degree of milling, etc. is performed along this guidance. By designating and putting the brought-in grains into the input hopper 2, the input grains are transferred, crushed and machined in the machine room B, and then the white rice stored in the white rice hopper 8 can be taken out.

  About the centrifugal huller 4 of the said structure, the centrifugal huller 4 is arrange | positioned adjacent to the side wall 11b of the building 11, and the impeller part 21 is faced to the maintenance port 11c formed in the same side wall 11b. By placing them close to each other, simply opening the door 11f exposes the impeller case 21 and the deflated particle passing cylinder 22 to the outside of the building 11 and enables work necessary for maintenance. It is possible to improve the equipment accommodation efficiency and reduce the size of the rice milling equipment, and it is possible to immediately respond to clogging of the impeller portion 21 and replacement of parts such as the impeller 21a by securing a maintenance space.

  In the centrifugal huller 4, the impeller portion 21 is constituted by the impeller case 21 that can be opened by the inspection lid 21 c and the detachable defluxing passage cylinder 22, so that the impeller portion 21 is clogged. In this case, it is possible to respond quickly by removing the inspection lid of the impeller case 21 and the deflated particle passing cylinder 22 from the maintenance port 11c.

  In addition, since the wind selection section 23 is provided with a second basket 24 for the shiina grain and communicates with the supply port 21b of the lower impeller case 21, the shiina grain can be directly supplied to the impeller 21a so that it can be removed again. In addition to speeding up the removal process, removing the inspection lid of the impeller case 21 makes it possible to visually recognize the second basket 24 and to perform maintenance such as removing residual rice from the bottom of the second basket 24.

  Regarding the rice hulling operation of the centrifugal rice huller 4 having the above-described configuration, the rice mash flows down from the first switching valve 3a to the supply port 21b of the rear impeller case 21 through the rice dropper 25, and the defluxing of the rear is carried out by the impeller 21a. With a smooth stream line that rises up the passage cylinder 22 to the upper end of the wind selection section 23 and flows down from the brown rice outlet 23c to the front stone remover 5 by the detaching rice dropping cylinder 26, without any special intermediate drive, The smoothing of the whipped grains without difficulty from the huller to the stone remover ensures the hulling efficiency, and the hulling abnormality can be avoided by stabilizing the hulling action.

  Further, the three dropping cylinders 25, 26, and 27 can be easily and reliably assembled with a simple configuration that does not cross in plan view. Further, the stone punching machine 5 is disposed at a low position at a position facing the central door 12 of the partition wall 11a while securing a space above it, so that the side rice milling machine 7 and the rear straw bags E, E are closely arranged. Even in this case, the administrator can open the central door 12 from the cabin A and enter the machine room B for maintenance.

DESCRIPTION OF SYMBOLS 1 Rice milling rice equipment 2 Feeding hopper 3 1st lifting machine 3a 1st switching valve (switching means)
DESCRIPTION OF SYMBOLS 4 Centrifugal mill 5 Stone remover 6 Second elevator 7 Rice mill 11 Building 11a Partition wall 11b Side wall 11c Maintenance port 12 Central door 21 Impeller case (impeller part)
21a Impeller (Impeller)
21b Supply port 22 Dehulled grain passing tube 23 Wind selection part 23a Upper end opening 23c Brown rice outlet 24 Second rice bowl 25 Sticky rice dropping tube 26 Dehulled rice dropping tube 27 Brown rice falling tube 27a Brown rice supply port A Guest room B Machine room C Input side D Extraction side

Claims (2)

The building (11) is divided into two parts by the partition wall (11a), and a guest room (A) for handling and operation by the user and a machine room (B) for storing the rice huller and rice milling equipment are arranged in the front-rear direction. The guest room (A) is provided with an input port for the input hopper (2) and a discharge port for the white rice hopper (8). In the rice milling machine equipment which is equipped with a stone remover (5) for selecting the specific gravity of brown rice contamination, and a rice milling machine (7) for whitening the brown rice, which automatically and automatically processes the polished rice defluxing and brown rice milling,
The centrifugal huller (4) is provided with an impeller portion (21a) for centrifugally discharging the grain in an impeller case (21) having a feed port (21b) for receiving the polished rice, and the impeller portion for impact release ( 21, 21 a), a passage cylinder (22) that guides the degranulated grains upward, an upper opening (23 a) that communicates with the passage cylinder (22) and receives the degranulated grains, and a lower part that delivers the crushed brown rice It comprises a wind selection section (23) that is equipped with a delivery port (23c) and performs wind selection processing. In the vicinity of the centrifugal hulling machine (4), the grains received from the charging hopper (2) are placed in the upper position. An elevator (3) is provided, and a lower rice drop cylinder (25) is provided which is lowered from the elevator (3) and communicates with the supply port (21b) of the impeller part (21), and a lower part of the wind selection part (23). Removed rice dropping cylinder (2) that descends from the delivery port (23c) and communicates with the stone remover (5) ) Hulling rice equipment, characterized in that the provided. A centrifugal huller (4) is disposed behind the elevator (3), and a stone remover (5) is disposed on the side of the elevator (3). The centrifugal huller (4) is provided on the impeller portion (21). A passage cylinder (22) is arranged at the rear, and a wind selection section (23) is arranged on the side of the stone remover (5) on the side of the impeller section (21). After arranging the lower delivery port (23c), the rice falling tube (25) is directed downward from the elevator (3), and the removed rice fall tube (26) is moved to the lower delivery port (23) of the wind selector (23). The rice milling equipment according to claim 1, which is arranged from 23c) toward the front lower side.

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