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WO2014128733A2 - Système et procédé de dosage de matières fluides non libres - Google Patents

Système et procédé de dosage de matières fluides non libres Download PDF

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Publication number
WO2014128733A2
WO2014128733A2 PCT/IN2014/000125 IN2014000125W WO2014128733A2 WO 2014128733 A2 WO2014128733 A2 WO 2014128733A2 IN 2014000125 W IN2014000125 W IN 2014000125W WO 2014128733 A2 WO2014128733 A2 WO 2014128733A2
Authority
WO
WIPO (PCT)
Prior art keywords
free flow
materials
dosing
flow materials
spreader
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.)
Ceased
Application number
PCT/IN2014/000125
Other languages
English (en)
Other versions
WO2014128733A3 (fr
Inventor
Pichaipillai G.
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.)
AUTOSYS ENGINEERING PRIVATE Ltd
Original Assignee
AUTOSYS ENGINEERING PRIVATE Ltd
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 AUTOSYS ENGINEERING PRIVATE Ltd filed Critical AUTOSYS ENGINEERING PRIVATE Ltd
Publication of WO2014128733A2 publication Critical patent/WO2014128733A2/fr
Publication of WO2014128733A3 publication Critical patent/WO2014128733A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/0422—Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
    • B28C7/0445—Weighing predetermined amounts of ingredients, e.g. for consecutive delivery using a weighing receptacle, the feeding thereof being automatically suspended after a predetermined weight has been obtained

Definitions

  • the present invention relates to a system and method for handling non-free flow materials. Particularly, the present invention relates to a system and method for handling fibres and fibrous composites.
  • An objective of the present invention is to provide a system and method for dosing of non-free flow materials, that is automated and eliminates errors that occur in the conventional manual process.
  • Another objective of the present invention is to provide a system and method for dosing of non-free flow materials, that is efficient and results in dosing of non-free flow materials with required accuracy within required time.
  • Yet another objective of the present invention is to provide a system and method for dosing of non-free flow materials that maintains the mixing ratio accurately and consistently throughout as against conventional methods, and thus yields end products which are of good quality.
  • Said system comprises a mechanism for dosing of non-free flow materials that ensures even feeding of required dosage of non-free flow materials in an automated manner and at regulated speeds as per requirement.
  • the system comprises a storage hopper that receives the raw material being fed into the system.
  • the storage hopper is in turn associated with a regulating spreader.
  • the regulating spreader is associated with a specially configured screw feeder comprising a continuous flight that goes around the screw feeder in a helical pattern and a fine feeding system comprising a fine feeding plate associated with a feeding mouth.
  • the screw feeder also comprises a plurality of sections with differing flight configurations that ensures that the overall feed rate and low cycle time can be achieved without compromising on the cut- off accuracy.
  • the raw material that is fed into the system comes out through the feeding mouth into a weighing hopper.
  • the weighing hopper comprises a collection chute to collect the feed materials, a load cell for measuring the weight of the fed non-free flow materials and a discharge gate to discharge the non-free flow materials for further processing.
  • Both the regulating spreader and the screw feeder are driven by a first motor.
  • the first motor is driven by a variable speed drive that runs at varied optimum speeds depending on the quantity of non-free flow materials being fed and the required tolerance level.
  • a programmable logic control (PLC) device is coupled to the system, said PLC device is programmed with a unique logic to control the feeding of non-free flow materials.
  • the system comprises a huge bag handling assembly that is associated with the storage hopper and a flat belt conveyor assembly instead of the screw feeder.
  • Figure 1 illustrates the elevated view of an embodiment of the system for dosing of non-free flow materials.
  • Figure 2 illustrates the top view of an embodiment of the system for dosing of non-free flow, materials.
  • Figure 3 illustrates an embodiment of the specially configured screw feeder of the system for dosing of non-free flow materials.
  • Figure 4 illustrates the elevated view of an alternate embodiment of the system for dosing of non-free flow materials.
  • Figure 5 illustrates the side view of an alternate embodiment of the system for dosing of non- free flow materials.
  • an embodiment of a system for dosing of non-free flow materials comprises a storage hopper (1) that preferably comprises a funnel shaped mouth, which receives the raw material being fed into the system.
  • the storage hopper (1) is in turn associated with a regulating spreader (11).
  • the regulating spreader (11) is associated with a specially configured screw feeder (3) comprising a continuous flight (33) that goes around the screw feeder in a helical pattern and a fine feeding system comprising a fine feeding plate (31) associated with a feeding mouth (32).
  • an embodiment of the screw feeder (3) comprises a plurality of sections, including a first section (34), a second section (35) and a third section (36), wherein the plurality of sections (34, 35, 36) have different flight configurations.
  • the first section (34) is responsible for taking material from the storage hopper (1) and spreading the material.
  • the second section (35) is configured to spread the material over a longer distance with shorter height, when compared to the first section (34).
  • the third section (36) is configured to split the material in to multiple and smaller quantities.
  • the length of the screw feeder (3) and the ratio between the plurality of sections (34, 35, 36) can be adjusted.
  • Both the regulating spreader (11) and the screw feeder (3) are driven by a first motor (2).
  • the first motor (2) is driven by a variable speed drive that runs at varied optimum RPM (Rotation per minute) depending on the quantity of non-free flow materials being fed and the required tolerance level.
  • the variable speed drive enables the first motor (2) to operate in a plurality of modes as per requirement wherein one mode differs from another with respect to the amount of material delivered per unit time.
  • the speed of the first motor (2) can also be continuously regulated with an analogue reference.
  • a programmable logic control (PLC) (Not shown) device is coupled to the system.
  • the PLC device is associated with a plurality of relays, a high accuracy weight indicator and an ac drive (an electronic system that receives digital commands from the PLC and controls / varies the speed of the motor).
  • the PLC device is programmed with a unique logic to control the feeding of non-free flow materials at variable speeds.
  • the raw material that is fed into the system comes out through the feeding mouth (32) into a weighing hopper (4).
  • the weighing hopper (4) comprises a collection chute to collect the feed materials, a load cell for measuring the weight of the fed non-free flow materials and a discharge gate to discharge the non-free flow materials for further processing.
  • the system switches mode of operation to fine mode and reduces the speed of the screw feeder (3) and the regulating spreader (11).
  • the speed controller has an ability to deliver 250 grams in 15 seconds (coarse), 40 grams in 5 seconds (fine) and 10 grams in 10 seconds (super fine) to cut-off with +1-2 grams accuracy.
  • a method for dosing of non-free flow materials using the disclosed system comprises the following steps- a. setting the required level for each batch through an operator interface module;
  • the operator interface module is preferably a computer or a man machine interface. Typically, the system is able to deliver approximately +/- of 2 grams or better when 200 grams of non-free flow materials are fed into it; the complete process takes only 30 seconds per batch.
  • the disclosed system when large quantities of input material are to be handled, the disclosed system comprises a huge bag handling assembly that is associated with the storage hopper (1) and a flat belt conveyor assembly. ( Figures 4 and 5)
  • the huge bag handling assembly comprises a huge bag handling device (12) comprising a bag shaking and poking device to facilitate uniform feeding of non-free flow materials into the storage hopper
  • the flat belt conveyor assembly comprises a flat belt conveyor (5) and a special feeding spreader (51).
  • the storage hopper (1) is associated with the flat belt conveyor (5) and the regulating spreader (11).
  • the regulating spreader (11) is fixed on the flat belt conveyor (5) to enable regulated feed of materials from the storage hopper (1) to the flat belt conveyor (5). Both the regulating spreader (11) and the flat belt conveyor (5) are driven by the first motor
  • the first motor (2) is driven by a variable speed drive that runs at varied optimum RPM (Rotation per minute) depending on the quantity of non-free flow materials being fed and the required tolerance level.
  • the variable speed drive enables the first motor (2) to operate in operate in a plurality of modes as per requirement wherein one mode differs from another with respect to the amount of material delivered per unit time.
  • the speed of the first motor (2) can also be continuously regulated with an analogue reference.
  • the alternate embodiment also comprises the programmable logic control (PLC) device (as disclosed above ) that is coupled to the system.
  • PLC programmable logic control
  • the PLC device is associated with the plurality of relays, the high accuracy weight indicator and the ac drive (an electronic system that receives digital commands from the PLC and controls / varies the speed of the motor).
  • the PLC device is programmed with a unique logic to control the feeding of non-free flow materials at variable speeds.
  • the alternate embodiment also comprises a special feeding spreader (51), said special feeding spreader (51) being driven by a second motor (511) wherein the second motor (511) operates at different speeds, which controls the supply of the feed materials from the flat belt conveyor (5) to the weighing hopper (4).
  • the flat belt conveyor (5) stops running and the special spreader (51) facilitates discharge of the material in very small chunks, into the weighing hopper (4).
  • the flat belt conveyor (5) stops running when the operation mode of the first motor (2) delivers the least amount of material per unit time among the plurality of modes.
  • the alternate embodiment differs from the first embodiment in that:
  • a huge bag handling assembly is associated with the storage hopper (1), said huge bag handling assembly comprising a huge bag handling device (12) comprising a bag shaking and poking device to facilitate uniform feeding of non-free flow materials into the storage hopper (1) and a plurality of pneumatic cylinders (121) connected to the huge bag handling device (12);
  • a flat belt conveyor assembly replaces the screw feeder (3), said flat belt conveyor assembly comprising a flat belt conveyor (5) that is connected to the storage hopper (1) and a special feeding spreader (51) that is present at a first end of the flat belt conveyor (5), said special feeding spreader (51) being driven by a second motor (511) wherein the second motor (511) operates at different speeds;
  • the regulating spreader (11) is fixed on the flat belt conveyor (5);
  • the first motor (2) drives the flat belt conveyor (5) and the regulating spreader (11).
  • the plurality of pneumatic cylinders (121) may be made of any metal or metal alloy.
  • the metal or metal alloy comprises stainless steel.
  • the flat belt conveyor (5) may be made of rubber, polyester, nylon or other similar materials.
  • the flat belt conveyor (5) is made of rubber. An accuracy of +/- of 40 grams or better can be typically achieved using the alternate embodiment, when 3 kgs are fed into the system, the complete process takes 70 seconds per batch in this case.
  • the disclosed embodiments of the system can be used for dosing of any non-free flow material, it is preferred that the system is used for dosing of fibres and fibrous composites.
  • the embodiments of the disclosed system can be used in any industry where accurate dosing of non-free flow materials is required, with the input being fed in jumbo bags or in minute quantities, such as, but not restricted to roofing sheet manufacture, ready mix concrete/plaster, brake lining, and clutch plate industries.
  • the power supply required to operate the variable speed drive is 440 V (three-phase) and 0.75 kW.
  • the preferred operating speed range for the variable speed drive is 15% to 100% of the speed of the motor (preferred speed of the first motor (2) is 1440 RPM).
  • the high accuracy weight indicator is preferably a LED or LCD display.
  • the LED or LCD display may be of any colour available in the market. While the use of the specially configured screw feeder has been illustrated using dosing of non-free flow materials, the screw feeder can be used for other similar applications as well. Wherever low cycle time and high cut off accuracy have to be combined, which cannot be achieved with a conventional screw feeder.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Basic Packing Technique (AREA)

Abstract

Selon un mode de réalisation, un système de dosage de matériaux fluides non libres comprend une trémie de stockage qui reçoit la matière première et un diffuseur de régulation associé à la trémie de stockage. Le diffuseur de régulation est associé à un alimentateur à vis spécialement conçu. L'alimentateur à vis comprend également une pluralité de sections présentant configurations de trajectoire différentes qui garantissent que le débit général et le temps de cycle faible peuvent être obtenus sans compromettre la précision d'interruption. La matière première acheminée sort dans une trémie de pesage comprenant une glissière de collecte, une cellule de charge et une grille d'évacuation. Un dispositif de commande logique programmable (PLC) est accouplé au système, ledit dispositif PLC est programmé avec une logique unique pour commander l'acheminement de matières fluides non libres. Selon un autre mode de réalisation, le système comprend un ensemble de manipulation de sac énorme qui est associé à la trémie de stockage et un ensemble transporteur à bande plate à la place de l'alimentateur à vis.
PCT/IN2014/000125 2013-02-25 2014-02-25 Système et procédé de dosage de matières fluides non libres Ceased WO2014128733A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN822/CHE/2013 2013-02-25
IN822CH2013 2013-02-25

Publications (2)

Publication Number Publication Date
WO2014128733A2 true WO2014128733A2 (fr) 2014-08-28
WO2014128733A3 WO2014128733A3 (fr) 2014-12-24

Family

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PCT/IN2014/000125 Ceased WO2014128733A2 (fr) 2013-02-25 2014-02-25 Système et procédé de dosage de matières fluides non libres

Country Status (1)

Country Link
WO (1) WO2014128733A2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104985701A (zh) * 2015-07-21 2015-10-21 徐州徐工施维英机械有限公司 配料系统和混凝土搅拌站
CN106006077A (zh) * 2016-06-30 2016-10-12 安徽泽加业粉体工程有限公司 一种小包拆包输送机
CN106428694A (zh) * 2016-09-29 2017-02-22 绍兴职业技术学院 一种粉粒物料螺旋加料定量包装机
CN110294177A (zh) * 2019-07-11 2019-10-01 常州沃斯曼自动化科技有限公司 一种洁净式的全自动拆包方法及结构
CN110775354A (zh) * 2019-11-01 2020-02-11 巢湖学院 一种用于化工生产的粉剂定量包装设备
CN111638691A (zh) * 2020-05-28 2020-09-08 河南三艾斯交通科技有限公司 一种标线涂料自动生产线控制系统

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SE422314B (sv) * 1977-05-20 1982-03-01 Mo Och Domsjoe Ab Flodesutjemnande anordning for skruvtransportorer
GB2240965A (en) * 1990-02-16 1991-08-21 Spiroflow Uk Discharge of material from flexible containers
DK23591D0 (da) * 1991-02-12 1991-02-12 Skako As Fremgangsmaade og anlaeg til at dosere fiberklip til en betonblanding
JPH09142634A (ja) * 1995-11-22 1997-06-03 Akebono Brake Ind Co Ltd スクリューコンベア
JPH10291650A (ja) * 1997-04-16 1998-11-04 Daido Steel Co Ltd 合金鋼粉末定量切り出し装置
JP2004122050A (ja) * 2002-10-04 2004-04-22 Fujita Corp スクリュー式連続混合装置、連続混合用スクリュー、およびスクリュー式連続混合方法
JP5263639B2 (ja) * 2005-11-30 2013-08-14 新東工業株式会社 ブラスト加工装置に使用する粉粒体定量供給装置及び粉粒体定量供給方法
US20070290008A1 (en) * 2006-06-15 2007-12-20 Schenck Accurate, Inc. Apparatus for conveying material in a dispensing system
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104985701A (zh) * 2015-07-21 2015-10-21 徐州徐工施维英机械有限公司 配料系统和混凝土搅拌站
CN106006077A (zh) * 2016-06-30 2016-10-12 安徽泽加业粉体工程有限公司 一种小包拆包输送机
CN106428694A (zh) * 2016-09-29 2017-02-22 绍兴职业技术学院 一种粉粒物料螺旋加料定量包装机
CN110294177A (zh) * 2019-07-11 2019-10-01 常州沃斯曼自动化科技有限公司 一种洁净式的全自动拆包方法及结构
CN110775354A (zh) * 2019-11-01 2020-02-11 巢湖学院 一种用于化工生产的粉剂定量包装设备
CN111638691A (zh) * 2020-05-28 2020-09-08 河南三艾斯交通科技有限公司 一种标线涂料自动生产线控制系统

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