EP2689852A2 - Machine pour broyer des produits granulaires avec alimentation vibratoire du produit - Google Patents

Machine pour broyer des produits granulaires avec alimentation vibratoire du produit Download PDF

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Publication number
EP2689852A2
EP2689852A2 EP13177654.4A EP13177654A EP2689852A2 EP 2689852 A2 EP2689852 A2 EP 2689852A2 EP 13177654 A EP13177654 A EP 13177654A EP 2689852 A2 EP2689852 A2 EP 2689852A2
Authority
EP
European Patent Office
Prior art keywords
casing
product
machine according
machine
cylinders
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.)
Withdrawn
Application number
EP13177654.4A
Other languages
German (de)
English (en)
Other versions
EP2689852A3 (fr
Inventor
Claudio Zavatta
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.)
Golfetto Sangati SRL
Original Assignee
Golfetto Sangati SRL
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 Golfetto Sangati SRL filed Critical Golfetto Sangati SRL
Publication of EP2689852A2 publication Critical patent/EP2689852A2/fr
Publication of EP2689852A3 publication Critical patent/EP2689852A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/286—Feeding devices

Definitions

  • the present invention relates to a machine for grinding granular products such as cereals and the like, comprising a vibrating apparatus for feeding the product to rolling cylinders.
  • Said machines which are by the name of rolling mills, are substantially based on the use of one or more pairs of rolling cylinders with a constant cross-section and adjustable interaxial distance, through which the product to be ground is passed, said product being fed for this purpose to the said cylinders by means of a feed apparatus in turn comprising one or more rollers associated with guiding baffles and deflectors for metering the product which falls by means of gravity from containing hoppers.
  • the known apparatus for feeding the granular product to the rolling cylinders are subject to accumulation of the product and the powder and fat residues contained in it and therefore require periodic and frequent cleaning and maintenance operations in order to ensure that they remain functional and in particular hygienic since food products are involved.
  • Examples of embodiment of these machines are for example known from WO-01/32312 and GB-369 477 which describe vibrating devices arranged inside the machine and therefore requiring complicated machine disassembly operations in order to be able to clean the said accumulated powder and fat residues from the devices.
  • PCT/CH97/00362 also discloses rolling mills in which the apparatus for feeding the product to the rolling cylinders is fastened to a frame able to rotate about a fixed axis so as to move the entire assembly outside of the machine body and facilitate the necessary cleaning operations. Although performing its function, this machine nevertheless has the drawback consisting in the fact that the assembly remains closed at the bottom and therefore does not allow complete cleaning of the residues unless the entire assembly is removed.
  • the technical problem which is posed, therefore, is that of providing an apparatus for feeding granular products to the rolling cylinders of a grinding machine, which apparatus is such that it is able to reduce to a minimum the accumulation of product residues inside it and therefore reduce the necessary cleaning operations as well as the machine downtime.
  • a further need is that the apparatus should be able to be easily accessed and should be interchangeable so as to allow both easier cleaning operations and the installation of a new feed unit in the event of the product being changed and/or wear of the existing unit.
  • the invention relates to a machine for grinding granular products, comprising at least one pair of rolling cylinders extending and rotating about a longitudinal axis X-X and a vibrating apparatus for feeding the product to said cylinders, the apparatus comprising at least one casing provided with an opening for entry of the product and a nozzle extending along the longitudinal direction for dispensing the product to the cylinders, said casing being connected to at least one vibrating device arranged between a fixed frame of the machine and the casing itself and able to impart a vibratory movement to the feed apparatus; advantageously the casing has an approximately trapezial form with its bottom larger base directed towards the rolling cylinders and its top smaller base provided with an opening for entry of the product into the casing and the casing is arranged in a top position substantially external to the machine.
  • the casing has, arranged inside it, a blade extending along the length in the longitudinal direction and with a bottom end inclined from the top downwards and from the outside towards the inside of the rolling mill;
  • the vibration device may comprise a plate which can be fastened to the frame and which has, fixed thereon, a vibrating base acting on resilient arms carrying a flange fixed to the larger base of the casing;
  • a vibrating base acting on resilient arms carrying a flange fixed to the larger base of the casing;
  • rubber anti-vibration elements are arranged between the plate and the vibrating base;
  • the vibrating device may also comprise a vibration motor mounted on a plate attached to the casing; moreover, a further improvements foresees rubber anti-vibration elements arranged between the plate and the frame of the rolling mill;
  • the vibration movement acts along the longitudinal direction
  • the machine according to the invention preferably comprises a control device for detecting, by means of sensors, the preset speed of rotation of the rolling cylinders and for correspondingly varying the degree of vibration of the casing.
  • control device is:
  • said sensors are of the capacitive type.
  • the vibrating devices associated with each casing are two in number and are arranged symmetrically in relation to the middle of the larger base of the casing. Further details may be obtained from the following description of a non-limiting example of embodiment of the present invention provided with reference to the accompanying sets of drawings in which:
  • the machine which is known per se and therefore not described in greater detail, comprises a frame 1 supporting the rolling cylinders 2 and the apparatus 10 for feeding the product, arranged above the cylinders 2 in the vertical direction Z-Z and in turn comprising at least one casing 11 ( Fig. 3 ) with an approximately trapezial form having a bottom larger base 11a directed towards the rolling cylinders 2 and a top smaller base 11b provided with an opening 12 for entry of the product into the casing 11.
  • the casing has, arranged inside it, a blade 13 which extends lengthwise in the longitudinal direction of the casing 11, with a bottom end 13a inclined from the top downwards and from the casing 11 towards the cylinders 2 of the rolling mill, and which is able to convey the product towards a product dispensing nozzle 14 extending in the longitudinal direction X-X along the entire length of the casing 11.
  • the casing 11 is connected to at least one vibrating device 20 arranged between the casing itself and the fixed frame 1 of the rolling mill so as to impart a relative vibratory movement to the casing and the frame.
  • the vibrating device 20 comprises a plate 21 which can be fastened to the fixed frame 1 via screw means (not shown) and on which a vibrating base 22 is fixed by means of rubber anti-vibration elements 22a, said base acting on resilient arms 23 which support a flange 24 fixed to the larger base 11a of the casing 11.
  • the vibratory movement imparted to the casing may be generated by a device 120 which comprises at least one vibration motor 122 mounted on a plate 121; in this case rubber anti-vibration elements 122a are arranged between the larger base 11a of the casing 11 and the fixed frame 1 to which the casing is fixed via screw means or the like.
  • the vibrating devices 20, 120 associated with each casing 11 are preferably two in number and are arranged symmetrically in relation to the middle of the larger base of the casing 11, advantageously reducing the overall volume and ensuring a suitable vibratory movement.
  • the rolling machine may be provided with two pairs of rolling cylinders 1, each pair being able to grind a product different from that fed to the other pair via a respective feed apparatus according to the invention.
  • the two casings 11 may equip the two casings 11 with one (vibrating base) or other (vibration motor) of the vibration devices described above.
  • the machine according to the invention comprises a control device 300 for detecting by means of sensors (not shown) the preset speed of rotation of the rolling cylinders and for correspondingly varying the degree of vibration of the casing 11 so as to ensure a correct continuous flow of the product.
  • the control device 300 may also be connected to first sensors 320, for example of the capacitive type, which are arranged at different heights of the casing 11 and to a series of second sensors 330 situated along the bottom 13a of the blade 13 of the casing 11 and in the vicinity of the product discharging mouth 14; the first sensors 320 being designed to detect the presence/absence of cereal inside the casing, while the series of second sensors 330 are able to detect the uniform/nonuniform distribution of the product along the longitudinal direction X-X; once the presence of product inside the casing has been detected, the control unit 300 sends an enable signal for closing the cylinders, which are initially open when the machine is at a standstill, and for starting the production cycle with activation of the vibrating devices; if no product or irregular distribution thereof is detected, the control device 300 does not send the enable signal for closing the cylinders and starting vibration, if at the start of the cycle, or interrupts the cycle, stopping vibration, if processing is already in progress.
  • first sensors 320 for example of the capac
  • the feed casing may be arranged in a position substantially outside the machine allowing easier access when it is required to perform maintenance and replace the casing in the event of a product change.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Crushing And Grinding (AREA)
EP13177654.4A 2012-07-24 2013-07-23 Machine pour broyer des produits granulaires avec alimentation vibratoire du produit Withdrawn EP2689852A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT001287A ITMI20121287A1 (it) 2012-07-24 2012-07-24 Procedimento di macinazione ad alimentazione vibrante di prodotti granulari e apparecchiatura vibrante di alimentazione del prodotto a macchine di macinazione

Publications (2)

Publication Number Publication Date
EP2689852A2 true EP2689852A2 (fr) 2014-01-29
EP2689852A3 EP2689852A3 (fr) 2015-09-02

Family

ID=46982681

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13177654.4A Withdrawn EP2689852A3 (fr) 2012-07-24 2013-07-23 Machine pour broyer des produits granulaires avec alimentation vibratoire du produit

Country Status (3)

Country Link
EP (1) EP2689852A3 (fr)
CN (1) CN103567014A (fr)
IT (1) ITMI20121287A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020178044A1 (fr) * 2019-03-01 2020-09-10 Basf Se Procédé de production de particules polymères superabsorbantes
US10967381B2 (en) 2017-05-09 2021-04-06 Bühler AG Transmission for an animal feed and food roller mill, and animal feed and food roller mill having said transmission
CN112844562A (zh) * 2021-01-04 2021-05-28 南通北新新能源科技有限公司 一种废旧电池回收破碎机
WO2023043393A1 (fr) * 2021-09-17 2023-03-23 İmaş Maki̇na Sanayi̇ Anoni̇m Şi̇rketi̇ Système de distribution d'alimentation de broyeur à cylindres

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106956367A (zh) * 2017-04-21 2017-07-18 山推建友机械股份有限公司 一种应用于混凝土搅拌的钢纤维输送计量装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB369477A (en) 1930-09-13 1932-03-24 Buehler Ag Geb Improvements in or relating to feeding devices, particularly for roller and like mills
WO2001032312A1 (fr) 1999-11-02 2001-05-10 Agrex S.P.A. Moulin a cylindres destine au broyage de matieres en grains, notamment de cereales

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1014383A (en) * 1911-02-25 1912-01-09 Jeremiah S Frazee Crushing-rolls.
US2696351A (en) * 1950-07-13 1954-12-07 Allis Chalmers Mfg Co Roller mill feed and roll positioning control apparatus
FR1138694A (fr) * 1955-12-21 1957-06-18 Perfectionnements aux moulins à cylindres
GB887322A (en) * 1957-05-13 1962-01-17 Simon Ltd Henry Improvements in rollermills for the grinding of cereal products
DE3642974A1 (de) * 1986-12-17 1988-06-30 Buehler Ag Geb Walzwerk und verfahren zum zufuehren von koernigem gut
DE19632976A1 (de) * 1996-08-16 1998-02-19 Deutz Ag Zweiwalzenmaschine und Verfahren zur Druckbehandlung körnigen Gutes
CA2712153A1 (fr) * 2009-08-03 2011-02-03 Axis Automation Group Appareil de garniture d'aliments

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB369477A (en) 1930-09-13 1932-03-24 Buehler Ag Geb Improvements in or relating to feeding devices, particularly for roller and like mills
WO2001032312A1 (fr) 1999-11-02 2001-05-10 Agrex S.P.A. Moulin a cylindres destine au broyage de matieres en grains, notamment de cereales

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10967381B2 (en) 2017-05-09 2021-04-06 Bühler AG Transmission for an animal feed and food roller mill, and animal feed and food roller mill having said transmission
WO2020178044A1 (fr) * 2019-03-01 2020-09-10 Basf Se Procédé de production de particules polymères superabsorbantes
CN112844562A (zh) * 2021-01-04 2021-05-28 南通北新新能源科技有限公司 一种废旧电池回收破碎机
CN112844562B (zh) * 2021-01-04 2022-03-25 南通北新新能源科技有限公司 一种废旧电池回收破碎机
WO2023043393A1 (fr) * 2021-09-17 2023-03-23 İmaş Maki̇na Sanayi̇ Anoni̇m Şi̇rketi̇ Système de distribution d'alimentation de broyeur à cylindres

Also Published As

Publication number Publication date
CN103567014A (zh) 2014-02-12
ITMI20121287A1 (it) 2014-01-25
EP2689852A3 (fr) 2015-09-02

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