EP0037042A1 - Tambour pour le triage des semences et autres grains - Google Patents

Tambour pour le triage des semences et autres grains Download PDF

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Publication number
EP0037042A1
EP0037042A1 EP81102126A EP81102126A EP0037042A1 EP 0037042 A1 EP0037042 A1 EP 0037042A1 EP 81102126 A EP81102126 A EP 81102126A EP 81102126 A EP81102126 A EP 81102126A EP 0037042 A1 EP0037042 A1 EP 0037042A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
calibration
drive
sorting
cleaning device
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP81102126A
Other languages
German (de)
English (en)
Other versions
EP0037042B1 (fr
Inventor
Frank-Otto Görlitz
Werner Höhener
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Buehler AG
Original Assignee
Buehler AG
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 Buehler AG filed Critical Buehler AG
Priority to AT81102126T priority Critical patent/ATE8852T1/de
Publication of EP0037042A1 publication Critical patent/EP0037042A1/fr
Application granted granted Critical
Publication of EP0037042B1 publication Critical patent/EP0037042B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50—Cleaning
    • B07B1/52—Cleaning with brushes or scrapers
    • B07B1/522—Cleaning with brushes or scrapers with brushes
    • B07B1/524—Cleaning with brushes or scrapers with brushes the brushes being rotating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • B07B1/24—Revolving drums with fixed or moving interior agitators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50—Cleaning
    • B07B1/54—Cleaning with beating devices

Definitions

  • the invention relates to a sorting cylinder for seeds and other grain with a horizontal, mounted and driven calibration cylinder and a stationary machine housing enclosing the calibration cylinder, which has a material inlet for the material to be sorted and discharge means for the fractions and at least one removable longitudinal side wall.
  • Such sorting cylinders are used for the exact size separation of grain mixtures.
  • seeds such as corn kernels
  • the kernels must be sorted out in a very narrow size range.
  • the size of the seed is a quality criterion
  • each individual grain for the seeder must be separated from the total quantity of grain by appropriate allocation devices and sown individually by the machine. The more uniform the outer dimensions of the grains, the more trouble-free the sowing will be.
  • a relatively precise size classification is also known for other seeds, such as wheat, rye, rice, soybeans, grass seeds, etc.
  • the size of coffee beans for example, is also a quality criterion.
  • a cylinder change can be carried out within a few minutes or it can take up to half an hour or an hour. A cylinder change in five minutes is only possible, for example, if the machine is new or very well maintained.
  • the main difficulty mostly lies in the fact that a cleaning device must first be dismantled and chain or belt drives or overdrives must be released, which requires well-trained personnel at least when reinstalling.
  • Cement drums or garbage drums are the sieve drums or calibration drums on which the invention is based, are of lightweight construction and are therefore easy and easy to handle and can be lifted by an operator alone during assembly and should also be easily removable by hand.
  • such drums are usually operated in a speed range between 40 and 80 rpm and generally have cylinder lengths between 1 m and 2 m and cylinder diameters between 200 mm and 400 mm.
  • the invention has for its object to develop a simply constructed sorting cylinder, which can be installed and removed from the machine housing particularly easily and without loss of time by untrained personnel and without auxiliary tools, so that only one particularly low expenditure of time and costs is required for the installation and removal and a particularly economical storage of the various basic elements is possible.
  • this is achieved in a sorting cylinder of the type mentioned at the outset in that the calibration cylinder rests freely on four support rollers, at least one of the four support rollers is designed as a drive wheel, and the calibration cylinder can be freely lifted upwards or through a longitudinal side of the machine housing can be installed and removed.
  • the sorting cylinder according to the invention has already proven itself in the first trial runs. It has been shown that not only a particularly simple and quick installation and removal is possible even by inexperienced personnel, but also an absolutely reliable functional reliability of the entire device is given with an incredibly simple structure. In particular, it was also found that the light calibration cylinder did not jump over in the form of an undesired jumping out of the support rollers.
  • a particularly favorable embodiment of the sorting cylinder according to the invention can be achieved in that two support rollers are arranged on both end sides of the calibration cylinder, a support roller having lateral guide surfaces on the drive side.
  • An impressively simple, further embodiment of the invention results from the fact that the calibration cylinder has on the drive-side end a drive ring provided with a keyway, which is in frictional engagement with a drive wheel designed with a corresponding key profile.
  • the calibration cylinder can be easily pushed in on the non-driven end side, placed on the two support rollers and then placed on the other side on the drive roller or the support roller.
  • a further fastening of drive means is omitted as well as tightening screws, belts or chains.
  • a particularly advantageous embodiment of the calibrating cylinder according to the invention also consists in that the A ntriebsring laterally has a circular cylindrical bearing surface and the second, located on the drive side support roller also have a circular cylindrical supporting surface, said tread rests on the support roll.
  • the calibration cylinder is further provided on its end opposite the drive in the area of the material inlet with a race which rests on two corresponding circular cylindrical support surfaces of the support roller. You get a special calming of the running of the calibration cylinder if the drive wheel is rigidly connected to a further support roller on the opposite end side of the calibration cylinder with a continuous drive shaft: this enables the calibration cylinder to be driven on both end sides, which is particularly important for the sieve drum is gentle.
  • a further advantageous embodiment of the invention is that the calibration cylinder and a cleaning device have the drive ring as a common drive member and the cleaning device has an overdrive wheel provided with a corresponding wedge profile.
  • This not only gives you a direct contact drove the cleaning device, but also the possibility of simply lifting the cleaning device in the same way as the calibration cylinder from the device or inserting it into the device, so that both operations can actually be carried out with a single handle.
  • Both of the above-mentioned parts can be driven and guided by a support point and given a larger or smaller driving force depending on their weight.
  • the wedge shape is ideal for the drive, especially in the embodiment described.
  • the calibration cylinder is manufactured with great precision as far as the free passages through the openings of the sieve drum are concerned. During manufacture, an accuracy of - 0.1 mm is required for the sieve opening.
  • the rotary movement of the drum does not require any particular precision in manufacture.
  • Driving the calibration cylinder and the cleaning device together from one and the same drive ring has the further advantage that the distance between the cleaning device and the outer surface of the screening drum is always constant, which applies in part even to the smallest movements (such as vibrations, out-of-roundness, etc.) of the screening drum. This in turn results in a gentle cleaning of the sieve drum shell or the corresponding precision latticework.
  • the cleaning device can advantageously be designed as a rotating brush or as a beater.
  • the overdrive wheel of the cleaning device is preferably rotatably mounted on the cleaning device and the Cleaning device itself guided movably relative to the calibration cylinder by means of guide means attached to the machine housing. From this it follows without further ado that a brush or a beater can be easily inserted as a cleaning device from case to case. It is also advantageous if the cleaning device can be displaced essentially radially to the calibration cylinder in the guide means, the direction of movement being perpendicular or slightly inclined to the vertical.
  • the drive wheel of the cleaning device which cooperates with the drive ring is preferably provided with a corresponding wedge profile; because of the support on both sides, the drive wheel is only frictionally pressed against the drive ring with half the weight of the cleaning device.
  • a suitable pressure spring that can be easily switched on and off can also be provided to increase the contact force (and thus the friction force).
  • the cleaning device is provided on both end sides with sliding means which can be inserted into the guide means and which are preferably designed as ball or roller bearings.
  • a further advantageous embodiment of the invention consists in the fact that the calibration cylinder has a drive ring, a race and a paddle shaft, the sieve drum, the race, the drive ring and the paddle shaft being designed as an assembly which can be plugged into one another.
  • the sorting cylinder is preferably designed as a modular system, with a number of different calibration cylinders or a number of differently perforated sieve drums forming the variable basic elements. This makes it possible to have a number keep various, but fully assembled or pre-assembled calibration cylinders ready; however, a corresponding number of different screening drums can also be kept as basic elements without installation and removal.
  • the sorting cylinder is designed as a modular unit, the cleaning device of this unit can be equipped either with a direct drive or with a drive via the calibration cylinder such that either a rotating brush or a rotating beater mechanism can be used are.
  • sorting cylinders can also be arranged one above the other. Due to the different number of inlets and outlets, even the loss times for installation and removal - for which only about two to three minutes are actually required in the solution according to the invention - can be eliminated. Such a system can thus be automatically controlled easily by appropriate sliders and control means, so that e.g. the calibration cylinder only has to be replaced effectively for special products.
  • the calibration cylinder 11 consists of a sieve drum 13 provided with sieve holes 13 or a wire drum (FIG. 6), on the one or both ends of which a race 14 or a drive ring 15 made of plastic are attached.
  • a tensioning disk d6 which is tensioned with the aid of its arms 17 and a tensioning nut 18 against a paddle shaft 19 arranged centrally in the interior of the calibration cylinder 11 with inclined paddles 20, fixes the race 14 with respect to the sieve drum 12.
  • a welded to the paddle shaft 19 connects Clamping star 21, the drive ring 15 non-positively with the sieve drum 12.
  • the paddle shaft 19 is therefore on the one hand a means of conveyance by using its paddles 20 to transport the sieve transitions through the calibration cylinder 11 and, on the other hand, in conjunction with the clamping star 21 and clamping plate 16 clamping means Holding the race 14 and the drive ring 15 on the screening drum 12, whereby the calibration cylinder 11 is formed as a whole becomes.
  • This is supported in a rolling manner on four support rollers (two support rollers 22 and 23 arranged in the same axis and two drive wheels 24 and 25 also arranged in the same axis).
  • Each of the two rollers 22 and 23 made of plastic is rotatably mounted on an axle stub 44 (FIG. 8) attached to the end wall 9 and 10, respectively.
  • the support rollers 23 and 24 cooperating with the race 14 have a cylindrical running surface, as does the support roller 22, which cooperates with an additional cylindrical support surface 15 'of the drive ring 15.
  • the drive wheel 25 is provided with a spline profile with lateral guide surfaces 43 which engage in a keyway 29 of the drive ring 15 and thus cooperate with the latter in a frictionally locking manner (FIG. 8).
  • the cleaning device 45 is designed as a racket shaft 30 with leaf-shaped rackets 31 (FIG. 3), which are made of plastic and are detachably fastened on the shaft 30.
  • the racket shaft 30 is mounted in two roller bearings 32 (FIGS. 4, 7 and 9), which are each slidably received by a U-shaped slideway 33, which acts as a sliding link (FIGS. 4 and 9).
  • the link 33 is fastened to the end wall 9 or 10 of the housing by means of screws 36 (FIG. 4).
  • the racket shaft 30 is arranged transversely axially and relative to the calibration cylinder 11 in a variable position.
  • an overdrive wheel 34 and a drive wheel 35 made of plastic or rubber are arranged in a rotationally fixed manner (FIGS. 1, 2, 7 and 9), of which the drive wheel 34 has a cylindrical running surface and is non-positively connected to the race 14 of the calibration cylinder 11 (FIGS. 1 and 7).
  • the overdrive wheel 35 is wedge-shaped with respect to its running surface and engages with it in the keyway 29 on the drive ring 15 of the calibration cylinder 11, whereby it is non-positively connected to the latter (FIGS. 1 and 8).
  • the race 14 and the drive ring 15 are also in non-positive connection with the overdrive wheel 34 and the drive wheel 35, so that the drive torque is transmitted not only to the calibration cylinder 11, but on both sides simultaneously to the racket shaft 30 and sets it in rotary motion.
  • the grain material flowing into the sorting cylinder through the material inlet 4, for example maize flows into the interior of the calibration cylinder 11 at the end.
  • the paddles 12 rotating with the calibration cylinder 11 dip into the material and, due to their inclined position on the sieve drum 12, push it axially forward.
  • the large, thick kernels of corn are conveyed in this way over the sieve drum 12, flow through the tensioning star 21 at the end thereof and reach the outlet 5 as well as sieve transitions into a discharge pipe for use as the appropriate quality of the seed.
  • the smaller fraction of the corn kernels falls as a sieve passage through the sieve holes 13 or the column-shaped openings between a correspondingly designed wire mesh of the sieve drum 12 into the discharge funnels 6 and 7, from where they form the corresponding flatter quality of seeds through their outlet openings, for example as flat grains.
  • the beater shaft 30 constantly rotates and its elastic beaters 31 hit the rotating sieve drum 12 of the calibration cylinder 11, with corn kernels or corn kernel parts still stuck in the calibration openings 13 being pushed back by the beaters or causing them to fall through.
  • the sieve drum 12 is thereby constantly cleaned and its calibration openings 13 are kept free. Since the bat 31 is preferably made of rubber cloth or leather, the blow is more like a vigorous repeated brushing stroke. In this way it is avoided in any case that the high-precision mesh or perforated plate could be damaged or deformed.
  • the rubber or plastic parts can easily be replaced as wearing parts.
  • Calibration with the sorting cylinders is the most important function for the correct size distribution of granular products and takes place in specially built systems.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
EP81102126A 1980-03-22 1981-03-20 Tambour pour le triage des semences et autres grains Expired EP0037042B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81102126T ATE8852T1 (de) 1980-03-22 1981-03-20 Sortierzylinder fuer saatgut und anderes korngut.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803011173 DE3011173A1 (de) 1980-03-22 1980-03-22 Siebmaschine fuer zerealien u.a. korngut
DE3011173 1980-03-22

Publications (2)

Publication Number Publication Date
EP0037042A1 true EP0037042A1 (fr) 1981-10-07
EP0037042B1 EP0037042B1 (fr) 1984-08-08

Family

ID=6098060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81102126A Expired EP0037042B1 (fr) 1980-03-22 1981-03-20 Tambour pour le triage des semences et autres grains

Country Status (6)

Country Link
US (1) US4469230A (fr)
EP (1) EP0037042B1 (fr)
AT (1) ATE8852T1 (fr)
DE (2) DE3011173A1 (fr)
SU (1) SU1097184A3 (fr)
WO (1) WO1981002695A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2543798A1 (fr) * 1983-04-05 1984-10-12 Cherreau Raymond Dispositif de decolmatage automatique en marche continue, pour un egrappoir a vendange
FR2560748A1 (fr) * 1984-03-06 1985-09-13 Demoisy Dispositif de decolmatage automatique d'une grille cylindrique rotative, notamment d'un egrappoir
DE3437709A1 (de) * 1984-10-15 1986-04-17 Hans-Ulrich Dipl.-Ing.(FH) 7550 Rastatt Jung Trommelsieb
DE3920918A1 (de) * 1989-06-26 1991-01-03 Fritz Leppert Erd- u. kompost-siebmaschine mit trommelsiebtechnik
DE4442343A1 (de) * 1994-11-29 1996-05-30 Kurt Schnellbacher Liegender Kalibrierzylinder für Körner und Granulat
CN113950968A (zh) * 2021-10-25 2022-01-21 山东全鲁科润种业有限公司 一种农业种子存储装置

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US6253928B1 (en) 1999-03-11 2001-07-03 Gustafson, Llc Grain grader
KR100428377B1 (ko) * 2000-09-20 2004-04-30 주식회사 포스벨 굴착된 쓰레기의 선별장치
KR100457488B1 (ko) * 2002-08-12 2004-11-17 주식회사 포스벨 비위생 매립폐기물 선별장치
CN1315585C (zh) * 2002-12-02 2007-05-16 布勒公司 用于谷物和其他粮食颗粒的鼓式分级机
US7347933B2 (en) * 2003-11-17 2008-03-25 Intake Screens, Inc. Self-cleaning intake screen
US20080128335A1 (en) * 2006-12-01 2008-06-05 Ernst Matthew J Separating machines including adjustable trommel cleaning apparatus and methods of use
CA2781897C (fr) 2009-11-27 2018-02-20 Arrowcorp Inc. Dispositif et procede de changement de cylindres pour appareil de traitement de matieres solides
CN102669814A (zh) * 2012-05-21 2012-09-19 湖南中烟工业有限责任公司 移动式废烟支处理机
JP5927049B2 (ja) * 2012-06-07 2016-05-25 株式会社タイガーカワシマ 単列多段型粒選別機及び単列多段型粒選別機の本体フレームから傾斜案内板及び上下選別筒を取り外す方法
ES2527781B1 (es) * 2014-05-02 2015-09-23 Inno Almond Fly, S.L. Procedimiento para la separación de la cáscara de las semillas o fruto, dispositivo de cribado y dispositivo seleccionador
FR3028779B1 (fr) * 2014-11-24 2016-12-30 Green Creative Dispositif de tri de dechets a crible rotatif ameliore
US9403193B1 (en) * 2015-05-29 2016-08-02 Charles A. Picard, Jr. Roller apparatus
US20170144164A1 (en) * 2015-11-24 2017-05-25 S&D Llc Bladeless Trimmer
CN105904732B (zh) * 2016-05-26 2017-12-05 湘潭大学 一种用于纤维复合粉末选择性激光烧结中纤维取向的导向装置及实施方法
CA172569S (en) 2017-01-16 2018-02-08 Arrowcorp Inc Grading cylinder
CN107006171A (zh) * 2017-05-22 2017-08-04 山东省玛丽亚农业机械有限公司 一种蒜种分瓣分选机
FR3070882B1 (fr) * 2017-09-12 2022-02-04 Green Creative Deconditionneur a nettoyage ameliore
RU186259U1 (ru) * 2018-08-03 2019-01-15 Федеральное государственное бюджетное образовательное учреждение высшего образования "Красноярский государственный аграрный университет" Цилиндрический триер
CN110420856A (zh) * 2019-08-20 2019-11-08 安徽东亚机械有限公司 滚筒式清理除杂去石机
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CN111571857A (zh) * 2020-06-01 2020-08-25 江苏祺创光电集团有限公司 一种橡胶防老剂zmmbi预分散母胶粒的加工装置
CN113769817A (zh) * 2021-09-17 2021-12-10 武冈市田园香农业发展有限责任公司 一种大米小型加工设备

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2543798A1 (fr) * 1983-04-05 1984-10-12 Cherreau Raymond Dispositif de decolmatage automatique en marche continue, pour un egrappoir a vendange
FR2560748A1 (fr) * 1984-03-06 1985-09-13 Demoisy Dispositif de decolmatage automatique d'une grille cylindrique rotative, notamment d'un egrappoir
DE3437709A1 (de) * 1984-10-15 1986-04-17 Hans-Ulrich Dipl.-Ing.(FH) 7550 Rastatt Jung Trommelsieb
DE3920918A1 (de) * 1989-06-26 1991-01-03 Fritz Leppert Erd- u. kompost-siebmaschine mit trommelsiebtechnik
DE4442343A1 (de) * 1994-11-29 1996-05-30 Kurt Schnellbacher Liegender Kalibrierzylinder für Körner und Granulat
DE4442343C2 (de) * 1994-11-29 1998-12-10 Kurt Schnellbacher Kalibriervorrichtung
CN113950968A (zh) * 2021-10-25 2022-01-21 山东全鲁科润种业有限公司 一种农业种子存储装置
CN113950968B (zh) * 2021-10-25 2022-07-01 山东全鲁科润种业有限公司 一种农业种子存储装置

Also Published As

Publication number Publication date
WO1981002695A1 (fr) 1981-10-01
US4469230A (en) 1984-09-04
DE3011173A1 (de) 1981-10-01
EP0037042B1 (fr) 1984-08-08
DE3165333D1 (en) 1984-09-13
SU1097184A3 (ru) 1984-06-07
ATE8852T1 (de) 1984-08-15

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