WO2017018337A1 - Machine de broyage de grains verticale de type meulage - Google Patents

Machine de broyage de grains verticale de type meulage Download PDF

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Publication number
WO2017018337A1
WO2017018337A1 PCT/JP2016/071521 JP2016071521W WO2017018337A1 WO 2017018337 A1 WO2017018337 A1 WO 2017018337A1 JP 2016071521 W JP2016071521 W JP 2016071521W WO 2017018337 A1 WO2017018337 A1 WO 2017018337A1
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WO
WIPO (PCT)
Prior art keywords
grinding
whitening
chamber
grain
section
Prior art date
Application number
PCT/JP2016/071521
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English (en)
Japanese (ja)
Inventor
康義 瀬戸
史朗 但馬
康範 小池
Original Assignee
株式会社サタケ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社サタケ filed Critical 株式会社サタケ
Priority to CN201680043348.6A priority Critical patent/CN107847940A/zh
Priority to BR112018001363-3A priority patent/BR112018001363B1/pt
Priority to KR1020187003781A priority patent/KR102480244B1/ko
Publication of WO2017018337A1 publication Critical patent/WO2017018337A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B3/00—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
    • B02B3/06—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming by means of screws or worms

Definitions

  • the present invention relates to a grinding-type vertical milling machine in which a grinding-type whitening roll is mounted on a standing spindle.
  • a grinding-type vertical milling machine is equipped with a grinding-type whitening roll, which is a grindstone, on the main shaft in an upright-type removal-type metal screen cylinder.
  • the basic structure is such that one end communicates with the grain supply unit and the other end communicates with the grain discharge unit. It has characteristics such as a strong whitening effect and a simple whitening chamber, which makes it easy to treat residual grains.
  • the whitening chamber is bowl-shaped, the action of the natural fall of the grain is strong, and it is discharged without receiving a sufficient grinding action, or spots (unevenness) occur in the whitening action.
  • Various solutions have been made to solve this problem.
  • a resistor that provides resistance to the flow of rice grains in the milling chamber is provided.
  • This resistor has a tip that is close to the outer peripheral surface of the grinding-type whitening roll body, and imparts resistance to the grains that move with the rotation of the grinding-type whitening roll body, The position of the portion can be adjusted in the distance direction in the radial direction of the grinding type whitening roll body with respect to the outer peripheral surface of the grinding type whitening roll body.
  • the present invention provides a grinding-type vertical milling machine capable of stabilizing the grain receiving action and removing almost completely the wrinkles in the streak grooves on the dorsal side of the long grain rice grains. Providing what to do is a technical challenge.
  • a grinding type vertical milling machine includes a grinding type whitening roll mounted on a main shaft that is rotatably provided in a vertical stripping metal mesh cylinder, One end of the milling chamber with the grinding type milling roll as the main part is connected to the grain supply unit, and the other end is connected to the grain discharge unit, and around the stripping wire mesh cylinder, A plurality of struts and a milling chamber resistor disposed on each of the columns are provided, the milling chamber resistor is a long plate extending in the axial direction of the grinding type milling roll, and
  • the cross section is formed to be bent in a bowl shape, the base end of the cross section is rotatably supported by the support column, the tip of the cross section is close to the outer peripheral surface of the grinding whitening roll,
  • the bent part of the cross section acts on the moving grain to suppress its movement and give resistance. It is characterized in.
  • polishing chamber resistor is a long plate and has a substantially L-shaped cross section.
  • the whitening chamber is divided into a plurality of circumferential directions by the plurality of struts and the plurality of whitening chamber resistors, and a plurality of sperm sections are formed so that each has an independent sperm action.
  • the grinding type vertical milling machine in the grain discharge section at the other end of the milling chamber, a discharge opening that opens a part of the stripping wire mesh cylinder, a discharge basket connected to the discharge opening, A lid that closes the outlet, and the lid is opened only by the outflow pressure of the grain without providing a resistance device that applies a biasing force to the lid. It is formed.
  • a plurality of columns and a whitening chamber resistor disposed on each of these columns are provided around the stripping wire mesh cylinder, and the whitening chamber resistor extends in the axial direction of the grinding type whitening roll.
  • a long plate-like shape, and the cross section is bent like a bowl, the base end of the cross section is rotatably supported by the support column, and the tip of the cross section is a grinding whitening roll
  • the bent portion of the cross section acts to restrain the movement and impart resistance to the moving grain, so that the kernel is captured very easily at the bent portion. Therefore, the grain receiving action is stabilized, and the wrinkles in the streak groove on the dorsal side of the grain are sufficiently removed.
  • the whitening chamber resistor has a long plate shape and is formed in a long plate shape having a substantially L-shaped cross section, compared with a whitening chamber resistance plate having a conventional cross section that is linear.
  • the whiteness can be increased while keeping the generation rate of crushed grains low by about 2%. Furthermore, even if the whiteness is low, the wrinkles in the streak grooves on the dorsal side of the grains can be removed. Can do.
  • each sperm section has an independent sperm action. Can be performed to produce
  • the grinding type vertical milling machine in the grain discharge section at the other end of the whitening chamber, a discharge opening that opens a part of the stripping wire mesh cylinder, a discharge basket connected to the discharge opening, A lid that closes the discharge port, and the lid is formed so that the discharge port is opened only by the outflow pressure of the grain without providing a resistance device that applies a biasing force to the lid. Therefore, the conventional resistance device provided near the discharge port is not necessary, and the manufacturing cost is reduced, and even when rice grains are allowed to flow out from the lid without load, the streak on the back side of the grains The wrinkles in the groove can be almost completely removed.
  • FIG. 5 is a cross-sectional view taken along line AA of FIG. 4 showing the internal structure of the urging device. It is the graph which compared the change of the whiteness and the crushed particle with a conventional machine and an improved machine. It is the graph which compared the whiteness same as the above and the ratio with a back muscle. It is the graph which compared the integrated current same as the above, and the change of whiteness.
  • FIG. 1 is a schematic view of the overall configuration of a grinding-type vertical milling machine 1
  • FIG. 2 is a perspective view of the grinding-type vertical milling machine 1 shown partially exploded
  • FIG. FIG. 4 is a perspective view showing a roll portion
  • FIG. 4 is a cross-sectional view of a ground grain portion
  • FIG. 5 is a cross-sectional view taken along line AA of FIG. 4 showing the internal structure of the urging device.
  • a main shaft 3 is erected by an upper bearing part 4 and a lower bearing part 5 substantially at the center of a main body base 2, and a grinding type whitening roll is directly above the upper bearing part 4.
  • a plurality of 6 (hereinafter, whitening rolls 6) are placed and fixed to form a main grain portion.
  • the main shaft 3 is driven via a motor pulley 9, a main shaft pulley 10, and a V belt 11 by a motor 8 fixed to a motor base 7 attached to the main body base 2.
  • the whitening roll 6 is formed by laminating a plurality of grinding wheels 12 attached to the main shaft 3 and spacers 13 interposed between the grinding wheels 12.
  • the grinding wheel 12 has a cutting edge for grinding (abrasive grains of a grinding wheel) fixed to the entire surface by means such as sintering.
  • the spacer 13 can also be provided with a blast port 13a (see FIG. 4) for blasting from a plurality of the grindstones 12 stacked toward the cutting blade. By forming the blast port 13a, the machine 13 By using the air taken in from the outside as a fountain for removal, it is possible to promote removal at the time of semen.
  • a raw material feed roll 14 is attached to the main shaft 3 at the upper end of the whitening roll 6. Screw blades 15 are provided on the outer peripheral surface of the feed roll 14, and the raw material can be fed by rotation of the screw blades 15.
  • a stripping wire cylinder 16 (FIG. 1) is erected around the polishing roll 6 through a predetermined interval.
  • a whitening chamber 17 is formed between the stripping wire cylinder 16 and the whitening roll 6.
  • the stripping wire cylinder 16 is divided into four in a vertically split shape, and each side edge is fixed by four columns 18 erected around the polishing roll 6. Further, an arc-shaped removal chamber cover 19 is attached between the columns 18 to form a removal chamber 20.
  • symbol 21 is a support
  • the supply cylinder 22 for guiding the raw material is mounted on the support 18.
  • the supply cylinder 22 surrounds the feed roll 14, and a hopper cylinder 23 is provided above the supply cylinder 22, and an input port 24 is opened in the upper surface wall of the hopper cylinder 23.
  • a supply amount adjusting device 27 including a hollow conical guide body 25 and two perforated rotating plates rotated by an adjusting lever 26 is provided on the guide body 25.
  • a part of the metal strip 16 is opened to form a discharge port 28, and a discharge rod 29 is provided connected to the discharge port 28.
  • the discharge rod 29 is provided with a lid 31 that is operated by a weight lever 30.
  • the lid 31 is urged by the weight lever 30, but the present invention is not limited to this.
  • a configuration in which rice is allowed to flow out from the lid 31 without load without providing the weight lever 30 or the air cylinder is also conceivable.
  • the whitening chamber 17 is provided with a whitening chamber resistor 32 protruding from each of the plurality of columns 18.
  • the whitening chamber resistor 32 has a long plate shape extending in the axial direction of the grinding type whitening roll 6 and is formed so that its transverse section is bent into a bowl shape.
  • the white chamber resistor 32 shown in FIGS. 3, 4 and 5 has a substantially L-shaped cross section.
  • the whitening chamber resistance plate 32 is not limited to an L-shape, and may be a hook shape. Various shapes of "" and "U” can be employed.
  • the tip 33 thereof is close to the outer peripheral surface of the grinding whitening roll body 6.
  • the tip portion 33 at this time faces the center direction of the grinding wheel 12 (the direction of the main shaft 3) (FIGS. 4 and 5).
  • the L-shaped bent portion 34 plays a role of imparting resistance that suppresses the grains that move due to the rotation of the whitening roll 6.
  • the base end portion 35 on the other side of the tip end portion 32 is supported so as to be rotatable with respect to the vertical axis 36 built in the column 18.
  • the whitening chamber resistance plate 32 is provided with an urging device 37.
  • the urging device 37 is an air actuator and includes an air cylinder 38, a movable rod 39, and a pressure adjusting device 40 as shown in FIGS.
  • the air cylinder 38 has an attachment portion 41 at one end attached to a coupling block 42 on the pressure regulating device 40 side so as to be rotatable by a shaft 43 and the other end connected to a polishing chamber resistance plate 32 to be rotatable by a free joint structure 44. Yes.
  • the whitening chamber resistance plate 32 is rotatably supported by a vertical axis 36 whose one end is built in the support column 18, and is rotated around the vertical axis 36 by the advancement and retraction of the movable rod 39, so that the outer periphery of the grinding whitening roll body 6 is rotated.
  • the proximity distance of the tip portion 33 to the surface can be adjusted.
  • the branch pipe No1 is connected to the air cylinder 38 from the compressor 45 through the regulator 46, and air pressure is supplied to the inside of the air cylinder 38. This air pressure can be adjusted by the regulator 46.
  • Branch pipes No1 to No4 are connected to the regulator 46, and in this embodiment, pipes are respectively connected to the air cylinders 38 of the four urging devices 37. Therefore, each polishing chamber resistance plate 32 receives air pressure and rotates around the vertical axis 36 to suppress the movement of the grains.
  • annular collecting chamber 47 is formed below the dehulling chamber 20 of the grinding type vertical milling machine 1 (see FIG. 1), and a scraping blade 48 that rotates together with the whitening roll 6 is provided. .
  • a soot discharge port (not shown) is provided on the bottom surface of the collecting chamber 47 to discharge soot.
  • a collecting fan 49 is attached to the lower part of the main shaft 3, and air is sucked from the supply port or the like at the upper part of the machine body through the ridging chamber 20 and is discharged to the outside together with the bag.
  • Raw rice grains (brown rice) supplied to the inlet 24 (see FIG. 1) from a chute outside the figure are adjusted to an appropriate supply flow rate by the adjustment lever 26 and are evenly distributed in the circumferential direction by the guide body 25.
  • the rotation of the whitening roll 6 in the direction of arrow R shown in FIG. 3 causes the rice grains to actively flow (revolution and rotation) under a relatively low pressure, and contact the peripheral surface of the whitening roll 6. By doing so, the surface layer is shaved.
  • the raw rice grains supplied to the milling chamber 17 are projected to the milling roll 6 side by the extension of the movable rod 39 of the air cylinder 38 by the plurality of milling chamber resistors 32 arranged in the milling chamber 17.
  • the tip 33 of the room resistor 32 is close to the outer peripheral surface of the whitening roll 6, whereby the grains that move with the whitening roll 6 are captured and moved toward the bent part 34 of the whitening room resistor 32.
  • the tip 33 of the milling chamber resistor 32 is close to the outer peripheral surface of the milling roll 6 and the grains are captured by the bent section 34. Therefore, the grain receiving action is stabilized, and the grains The wrinkles in the streak-like grooves on the dorsal side of the grains are sufficiently removed.
  • polishing chamber resistors 32 are arranged in the circumferential direction in the polishing chamber 17, so that each polishing chamber resistor 32 has a polishing chamber 17 (sperm section). ) Is formed in a plural number (that is, there are four milling chambers (a milling section partitioned between a plurality of milling chamber resistors 32, 32) in one grain machine) . That is, in the state where the rice grains are received by the whitening chamber resistor 32, the whitening roll 6 rotates in the rotation direction R and the surface layer of the rice grains is shaved, so that an independent scouring action is generated for each scouring section.
  • the weight lever 30 near the rice grain outlet 28 is not required, and the manufacturing cost can be reduced.
  • the wrinkles in the streak-like grooves on the back side of the grain are sufficiently removed.
  • four white chamber resistors 32 are arranged in the circumferential direction in the white chamber 17, but the present invention is not limited to this, and six to ten circumferential chamber resistors are arranged in the circumferential direction.
  • a polishing chamber resistor 32 may be provided.
  • the removal wire mesh cylinder 16 is not limited to four divisions, and an appropriate number such as six to sufficient division can be set.
  • the movable rod 39 is pushed against the air pressure through the milling chamber resistor 32 by the pressing force of the grains. . Then, although the pressure inside the air cylinder 45 becomes high, the regulator 46 adjusts this pressure change, and it is prevented that the movement of a grain is suppressed too much.
  • Example 1 The conventional grain refiner described in Patent Document 1 (hereinafter referred to as “conventional machine”) and the improved grain refiner described in the embodiment of the present invention (hereinafter referred to as “improved machine”). The changes in whiteness and crushed particles were compared. Whiteness was measured with a whiteness meter model C-600 manufactured by Kett. The test conditions are shown in Table 1, and the results are shown in FIG.
  • Example 2 The ratio of whiteness and back muscles was compared between the previous model and the improved model. The conditions are the same as in Table 1, and the results are shown in FIG. From the results shown in FIG. 7, it was found that the improved machine has a lower whiteness than the conventional machine and removes the wrinkles in the streak-like grooves on the back side of the grain.
  • Example 3 The changes in accumulated current and whiteness were compared between the previous model and the improved model. The conditions are the same as in Table 1, and the results are shown in FIG. From the results shown in FIG. 8, it was found that the improved machine reached the target whiteness with about 26% less current than the conventional machine.
  • the tip portion is close to the outer peripheral surface of the whitening roll, the cross section is bent in a bowl shape, and further, the whitening chamber resistance plate 32 extended in the axial direction of the whitening roll, Since a plurality of grains are arranged in the milling chamber 17, the grains are captured by the bent portion of the milling chamber resistance plate 32, and the grain receiving action is stabilized, and the dorsal streak of the grains is formed. The wrinkles in the groove are sufficiently removed.
  • the whiteness can be increased while suppressing the generation rate of the crushed particles by about 2%. Furthermore, even if the whiteness is low, the wrinkles in the streak-like grooves on the back side of the grain can be removed, and the target whiteness can be reached with about 26% less current.
  • the present invention can be applied to a vertical or horizontal cereal machine.

Abstract

La présente invention concerne une machine de broyage de grains verticale de type meulage configuré de telle sorte que : une pluralité d'entretoises sont disposées autour d'un cylindre en treillis métallique de retrait de son, et une résistance de chambre de broyage est disposée sur chacune de ces entretoises ; les résistances de chambre de broyage présentent une forme de plaque allongée s'étendant dans la direction axiale d'un rouleau de broyage de type à meulage et sont formées de telle sorte que la section transversale de celles-ci est courbée en une forme de crochet ; la partie d'extrémité de base de la section transversale est supportée de manière rotative par les entretoises ; la partie de pointe de la section transversale est à proximité de la surface périphérique extérieure du rouleau de meulage de broyage ; et la partie incurvée de la section transversale fonctionne de manière à conférer une résistance de telle sorte que le mouvement des grains en déplacement est supprimé.
PCT/JP2016/071521 2015-07-24 2016-07-22 Machine de broyage de grains verticale de type meulage WO2017018337A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201680043348.6A CN107847940A (zh) 2015-07-24 2016-07-22 研磨式立式碾谷机
BR112018001363-3A BR112018001363B1 (pt) 2015-07-24 2016-07-22 Máquina polidora de grão vertical do tipo moedora
KR1020187003781A KR102480244B1 (ko) 2015-07-24 2016-07-22 연삭식 수형 정곡기

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-146737 2015-07-24
JP2015146737A JP6548014B2 (ja) 2015-07-24 2015-07-24 研削式竪型精穀機

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WO2017018337A1 true WO2017018337A1 (fr) 2017-02-02

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JP (1) JP6548014B2 (fr)
KR (1) KR102480244B1 (fr)
CN (1) CN107847940A (fr)
BR (1) BR112018001363B1 (fr)
TW (1) TWI681818B (fr)
WO (1) WO2017018337A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018151315A1 (fr) * 2017-02-20 2018-08-23 株式会社サタケ Machine de minoterie de type à broyage horizontal

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020025903A (ja) * 2018-08-09 2020-02-20 株式会社サタケ 研削式竪型精穀機
CN108745450B (zh) * 2018-08-18 2020-04-21 芜湖市好亦快食品有限公司三山分公司 一种便于高效筛分且易清理的碾米装置
KR102068103B1 (ko) * 2019-11-11 2020-01-20 김영희 종합 정곡기 구조
CN111359730B (zh) * 2020-03-20 2022-02-01 营口金岱国际科技有限公司 一种轻烧氧化镁粉研磨装置
KR102155251B1 (ko) * 2020-05-04 2020-09-11 주식회사 세농테크 세라믹 절삭이가 끼움 결합된 절삭식 정미기의 절삭구

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Publication number Priority date Publication date Assignee Title
JPH0747292A (ja) * 1993-08-06 1995-02-21 Satake Eng Co Ltd 研削式精穀機の抵抗体調節機構
JP2014039888A (ja) * 2011-05-13 2014-03-06 Satake Corp 精穀機の抵抗体調節装置

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JP3743599B2 (ja) * 1998-05-15 2006-02-08 株式会社サタケ 製粉方法及び該製粉方法による製粉システム
JP4849520B2 (ja) * 2006-02-11 2012-01-11 独立行政法人農業・食品産業技術総合研究機構 表面処理粒状物の製造装置、方法および表面処理粒状物
JP4730795B1 (ja) * 2010-07-23 2011-07-20 株式会社サタケ 精米機の目立装置
JP5656006B2 (ja) * 2010-09-17 2015-01-21 株式会社サタケ 研削式竪型精穀機
JP4930956B1 (ja) * 2011-08-30 2012-05-16 株式会社サタケ 精穀機における抵抗体調節方法及びその抵抗体調節治具

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
JPH0747292A (ja) * 1993-08-06 1995-02-21 Satake Eng Co Ltd 研削式精穀機の抵抗体調節機構
JP2014039888A (ja) * 2011-05-13 2014-03-06 Satake Corp 精穀機の抵抗体調節装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018151315A1 (fr) * 2017-02-20 2018-08-23 株式会社サタケ Machine de minoterie de type à broyage horizontal
KR20190113976A (ko) * 2017-02-20 2019-10-08 가부시끼가이샤 사따께 횡형 연삭식 정곡기
CN110325281A (zh) * 2017-02-20 2019-10-11 株式会社佐竹 卧型研磨式碾谷机
JPWO2018151315A1 (ja) * 2017-02-20 2019-12-12 株式会社サタケ 横型研削式精穀機
JP7024739B2 (ja) 2017-02-20 2022-02-24 株式会社サタケ 横型研削式精穀機
KR102382412B1 (ko) 2017-02-20 2022-04-01 가부시끼가이샤 사따께 횡형 연삭식 정곡기

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TWI681818B (zh) 2020-01-11
BR112018001363A2 (pt) 2018-09-11
KR102480244B1 (ko) 2022-12-21
BR112018001363B1 (pt) 2021-11-09
TW201703859A (zh) 2017-02-01
KR20180033516A (ko) 2018-04-03
JP6548014B2 (ja) 2019-07-24
JP2017023962A (ja) 2017-02-02
CN107847940A (zh) 2018-03-27

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