WO2013024154A1 - Procédé d'ensachage de granulats dans des sacs - Google Patents

Procédé d'ensachage de granulats dans des sacs Download PDF

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Publication number
WO2013024154A1
WO2013024154A1 PCT/EP2012/066095 EP2012066095W WO2013024154A1 WO 2013024154 A1 WO2013024154 A1 WO 2013024154A1 EP 2012066095 W EP2012066095 W EP 2012066095W WO 2013024154 A1 WO2013024154 A1 WO 2013024154A1
Authority
WO
WIPO (PCT)
Prior art keywords
bag
conveyor belt
support element
filling
bags
Prior art date
Application number
PCT/EP2012/066095
Other languages
German (de)
English (en)
Inventor
Norbert Page
Karsten Daunke
Original Assignee
Basf Se
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 Basf Se filed Critical Basf Se
Priority to US14/239,168 priority Critical patent/US20140352844A1/en
Priority to EP12766599.0A priority patent/EP2744708A1/fr
Priority to KR1020147006712A priority patent/KR20140064864A/ko
Priority to CN201280040301.6A priority patent/CN103748013A/zh
Publication of WO2013024154A1 publication Critical patent/WO2013024154A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/54—Means for supporting containers or receptacles during the filling operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/52—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using roller-ways or endless conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/32—Belts or like endless load-carriers made of rubber or plastics
    • B65G15/42—Belts or like endless load-carriers made of rubber or plastics having ribs, ridges, or other surface projections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/30—Details; Auxiliary devices
    • B65G17/32—Individual load-carriers

Definitions

  • the invention relates to a method for filling granules in bags with a filling plant and to a device for filling granules in bags, in which a bag is supported during the filling of supporting elements.
  • Bulk goods usually have to be filled and packed for transport.
  • Bulk materials include, for example, sand, powder, powder and granules made of various materials. In the present description, the general term “granulate” is used for all these bulk materials.
  • granules are packed especially in silo trucks, big bags, corrugated octagonal containers and sacks, while a silo truck can transport large quantities of bulk material at one go, but bulk goods are increasingly in demand in smaller units.
  • Big-bags and corrugated octagonal containers provide single and reusable containers with a large capacity, typically between 500 and 2000 liters, but increasingly the bulk goods are in demand in smaller units, thus reducing the proportion of granules packed in bags
  • the sacks have a typical width between 20 and 50cm with a length of between 40cm and 1m and a depth of 2cm to 20cm.
  • Typical filling weights range between 1 and 100kg Weight of the sacks chosen so that a sack can be moved by a single worker eg from 5 to 50 kg.
  • DE 30 06 129, DE 43 14 71 1, DE 1 948 228 and DE 31 18 866 relate to devices for filling granules in bags.
  • DE 2 317 671 discloses a combination of a conveyor belt with an accessory connection device.
  • One of the disclosed accessories has the shape of a saddle roof and is fastened with a connecting member to a conveyor belt.
  • DE 2 311 252 relates to a method of packaging a compressible and elastic article which is packaged in a sack, the sack being pressed before closing.
  • automated systems are available that work according to the FFS principle (forming, filling, closing), for example.
  • the material for the bags is often delivered on an endless roll and formed into a bag in the first step. If the bag material is delivered on a roll, for example in the form of a gusseted tubular film, the lower end of the bag is welded to it, the bag is cut to the required length (eg 80 cm) and opened, for example, via suction strips and placed in the filling position.
  • a certain amount of the granules is poured into the bag.
  • the amount can be determined, for example, by weight or by volume.
  • the bag can be shaken to compress the filled granules.
  • the filled with granules bag for example, with a pair of pliers and / or using a conveyor belt, transported to a closing station. If necessary, the upper seam area of the bag is cleaned and sealed for sealing. During capping, excess air can be removed from the interior of the bag via a vacuum pump. After the bag has been closed, it is transported further and usually prepared with a palletizing device for transport to a carrier, eg a Euro pallet.
  • a disadvantage of this method is that the so-filled sacks differ significantly from the optimal cuboid shape and thereby the stacking property of the bags is impaired.
  • the sacks can only be stacked on a pallet at about 4 to 6 layers.
  • the space utilization is not optimal, since between the bags to a greater extent unused cavities remain. This problem is illustrated in FIG. 1a. Significant cavities (35) remain between the sacks and further layers can no longer be securely stacked (31) on the pallet (32).
  • a support member for supporting a bag during filling wherein the support member preferably has the shape of a saddle roof, and being arranged on the underside of the support member means for attachment to a conveyor belt.
  • the support elements are preferably mounted on the conveyor belt of a device for filling granules so that the gable sides of the support element show perpendicular to the transport direction of the conveyor belt and between two flanks of two support members a shape is formed in which a bag can be accommodated.
  • the means for attachment to a conveyor belt are designed as a clamp which encloses a Stollenbandfuß a running as a conveyor belt conveyor belt.
  • the support element according to the invention can be easily attached to a lug strip, which is usually used in a device for filling granules in bags used. Further changes to the device or replacement of the conveyor belt are usually not required.
  • an angle of 20 to 45 degrees is included between the flanks of the support member and the solder.
  • the flanks of two adjacent support elements is a down, ie in the direction of conveyor belt, tapered shape formed. This assists the sack during filling and prevents excessive sagging of the sack at the bottom ("foot formation").
  • the angle of the flanks can be adapted to the bag size used.
  • the two flanks of the saddle-roof-shaped support element at the same angle to the solder.
  • the two flanks of the support element have different angles.
  • an angle other than the flank pointing in the opposite direction can be set for the flank pointing in the direction of transport.
  • the behavior of the conveyor belt during the ejection of the filled and closed bag, ie during the transfer of the bag from the device for filling granules in the bags to a downstream palletizing device can be optimized.
  • the support element can be adapted to the filling system used.
  • the edges of the support element according to the invention are rounded.
  • sharp points are avoided, which could mechanically damage the material of the bags.
  • the support element according to the invention is made of a suitable material such as plastic (in particular polypropylene, polyethylene or polyvinyl chloride) or a metal.
  • the support element must be made of a material which does not chemically attack the bag material. Together with the rounding of the edges of the support element is achieved that undesirable damage to the bags during filling, sealing and transport is avoided.
  • a further aspect of the invention is the provision of a device for filling granules into sacks, comprising a filling installation and a conveyor belt, wherein support elements according to the invention are fastened to the conveyor belt, wherein adjacent support elements form a downwardly tapering shape on the conveyor belt.
  • the bag is received and supported in the form formed by two adjacent support elements.
  • the tapering shape counteracts excessive broadening of the bag in the lower area.
  • the conveyor belt is designed as a tunnel belt and the support elements are fastened to the tunnel belt feet of the tunnel belt.
  • flanks of the form formed by two adjacent support elements on the conveyor belt in an embodiment of the invention form an angle between 20 and 40 degrees.
  • the two flanks of the shape have different angles.
  • the height of the arranged on the conveyor belt of the device according to the invention support elements is chosen so that the conveyor belt is not hindered with the mounted support elements in its course. By choosing the height of the support elements, it is ensured that the support elements can be easily mounted on a conveyor belt of a device for filling granules into sacks without the need for further modifications or conversions to the system.
  • a further aspect of the invention is the provision of a method for filling granules in sacks with a filling installation as just described, wherein the sacks are at least partially guided on a conveyor belt, with the following method steps:
  • Vacuuming and sealing the bag wherein the bag is supported in a tapered shape during filling and pressed into its final format after closing.
  • granules are filled into a sack. Without the additional support of the bag, the bag would take its greatest thickness at the bottom and become narrower towards its upper end. By supporting the bag in a downwardly tapered shape, this effect is counteracted. The sack is narrower at the bottom and now has its largest thickness approximately in the middle.
  • the granulate bag is transported to a closing station. In the closing station, the bag is closed by welding.
  • the bag is "vacuumed", in which excess air is taken from the interior of the bag by means of a vacuum pump.
  • the closed and vacuumed bag is subsequently transported further and thereby thrown off the conveyor belt of the apparatus for filling granules onto another conveyor belt
  • the sack is guided to a press and pressed through the latter into its final format As the sack has its greatest thickness before pressing in the middle, after squeezing, a sack with a nearly parallelepipedal shape is produced, and in one embodiment of the method, the sack is filled with its longest side to o aligned.
  • a bag with the longest side facing upwards has a smaller thickness after bottling, both at the lower end and at the upper end than at its center.
  • a filled bag lies on its largest surface during pressing and has an approximately rectangular shape after pressing.
  • the method is suitable for bags of various sizes and allows you to freely adjust the length of the bag.
  • an apparatus for filling granules into sacks can be improved so that the filled sacks can be brought into an approximately parallelepipedal format by pressing.
  • This is at a the filling of the bags downstream palletizing achieved better use of space and improves the stackability of the filled granule bags.
  • This makes it possible to accommodate the bags in more layers than previously possible on a pallet.
  • the number of pallets required for transport is reduced, which reduces costs and costs in logistics.
  • the advantageous Ausgestattung of the support element according to the invention with a holding device makes it possible to attach the support member to a studded belt, as it is commonly used in devices for filling granules in bags.
  • the inventive choice of the maximum height of the support elements ensures that in addition to the mounting of the support elements no further changes or modifications to the device for filling granules in bags must be made.
  • the angles of the flanks of the form formed by the support elements are matched to the size of the bags to be filled and set for optimum support of the bag during filling and for a fault-free discharge of the bag.
  • the method can be set up for different sizes of sacks, so that the great flexibility of filling according to the FFS principle is maintained.
  • Fig. 1 a a palletized stack of the prior art
  • Fig. 1 b is a palletized stack of with the invention
  • Fig. 2 is a schematic representation of the device according to the invention
  • FIG. 3 shows the completion of the formatting of a granular sack by pressing
  • FIG. 4 a supported by the support elements according to the invention
  • Fig. 5 shows an embodiment of a support element according to the invention. variants
  • Fig. 1a shows a palletized stack of granule sacks which have been filled by a prior art process.
  • Fig. 1 a shows granule bags 31, which were filled by a method according to the prior art.
  • the granule bags 31 are stacked in six layers on a pallet 32.
  • Clearly recognizable are unused cavities 35 between the bags 31.
  • the format of each individual bag 31 is greatly different and there are sometimes significant deviations from the ideal parallelepiped-shaped format , Other layers of sacks 31 can no longer be safely stored on the stack.
  • Fig. 1 b shows a palletized stack of bags that have been filled and formatted by the method according to the invention.
  • FIG. 1 b six layers of bags 30 are shown on a pallet 32. Above this stack, another pallet 32 is placed, on which also six layers of bags 30 are arranged. Due to the approximately cuboidal format of the bags 30 occur less or only small voids 35 between the bags 30. Furthermore, the top of the bag stack is suitable for adding further layers of bags 30 to the stack.
  • Fig. 2 shows a schematic representation of the device according to the invention for filling granules in bags.
  • a studded belt 10 is shown, on which a plurality of tunnel belt feet 12 is arranged.
  • the tunnel belt 10 support elements 1 are fixed, which have a pitched roof-like shape.
  • the material required for producing the bags is supplied wound on an endless roll 60.
  • the material wound up on the roll 60 is designed, for example, as an endless tube or as an endless side fold tubular film.
  • a bag material single films, composite films, paper and composites of at least one film layer and at least one further layer are used. Examples of bag materials used are polyethylene, polypropylene, composite of aluminum and polyethylene, and composite of paper and polyethylene.
  • the endless material 61 is guided over a plurality of deflection rollers 62 and a pair of driven rollers 66 through a closing and cutting device 64.
  • the closing and cutting device 64 With the closing and cutting device 64, the lower end of the bag is first welded. Thereafter, the bag material 61 is further unrolled until the desired length of the bag is reached, and then cut off from the shutter and cutter 64. This creates a still folded bag that is closed at one end by welding.
  • the later side walls of the bag are already closed, since the bag material 61 is designed in the form of a tube or a side pleated tube.
  • the still collapsed bag is grasped by a holding and transporting device 46 and moved into the region of the conveyor belt 10, where the lower end of the bag 34 is introduced onto the conveyor belt 10 between two support elements 1, which has a tapering in the direction of conveyor belt 10 second form.
  • the upper end of the bag 34 is opened by the holding and transport device 46, so that a filling device 40 can engage in the opened bag 34.
  • the filling device 40 can then be used to fill a material or granulate to be inserted, for example, by weighing or measuring the volume.
  • the bag 34 is held further by the holding and transport device 46.
  • the holding and transporting device 46 can be designed, for example, as a suction strip which holds the bag by means of negative pressure.
  • the bag 34 After filling the bag 34 this is released by the holding and transport device 46.
  • the bag By filling with granules, the bag is on its own. Due to the support of the bag 34 with the support elements 1 on the tunnel belt 10, the granulate bag 34 in the lower region 39 has a smaller thickness than in the middle.
  • the filled, but not yet sealed granule bag 34 is transported from the lug strip 10 to a closure device 42. There, the bag is grasped at the top 38 and sealed by welding. At the same time, the closure device 42 sucks excess air out of the granulated bag via a connection to a vacuum pump 44.
  • the closed granulate bag 36 is transported further from the tunnel belt 10 to a bag discharge 13.
  • Sackabsch 13 of the closed granule bag 36 falls from the tunnel belt 10 on a conveyor belt 14. This changes the orientation of the granular bag 36.
  • On the tunnel belt 10 of the granule bag 36 is aligned with its longest side upwards.
  • On the conveyor belt 14 of the granulate bag 36 is located on the side, so that its largest surface faces down.
  • the conveyor belt 14 transports the granulate bag 36 to a press, through which the granulate bag 36 receives its almost cuboidal formatting.
  • the ability to process air and water impermeable composites can be used in combination with be filled with the vacuuming of the bags 34 and granules of hygroscopic materials.
  • bagged hygroscopic materials are plastic granules such as ABS (acrylonitrile-butadiene-styrene), PA (polyamides), PC (polycarbonates), PET (polyethylene terephthalate), PUR (polyurethanes) PVC (polyvinyl chloride) and basic chemicals such as caprolactam (crystalline ), Adipic acid (crystalline) and hexamethylenediamine adipate (crystalline salt).
  • the opened granulate bag 34 is vibrated after being filled with granules in order to compact the filled-in granules.
  • FIG. 3 shows a filled and closed but not yet pressed granulate sack 36.
  • the granulate sack 36 lies on the side with its largest side surface downwards in a press 50.
  • the thickness of the sack is greatest in the middle 37 and decreases to the bottom 39 and the top 38 out.
  • the press 50 exerts pressure on the granulate bag 36 in the direction of the arrow indicated by the reference numeral 52.
  • FIG. 3 shows a representation of a pressed granulated bag 30, which is still located in a press 50. Due to the pressure during pressing, the bag 30 has assumed an approximately cuboidal formatting, in which the thickness of the bag 30 is almost identical both in the region of the middle 37 and in the region of the top 38 and the bottom 39.
  • Fig. 4 shows a filled, but not yet pressed granule bag on a tunnel belt with the support elements according to the invention.
  • Fig. 4 is an already filled and sealed, but not yet pressed granule bag 36 is shown.
  • the granulate bag 36 is located on a tunnel belt 10 and is supported in the region of the underside 39 of two support elements 1.
  • the bag 36 assumes a shape in which it has the greatest thickness in the region of its center 37.
  • the granulated bag 36 in each case assumes a smaller thickness.
  • the support elements 1 according to the invention comprise a saddle-roof-shaped part 20 and a fastening 24. With the fastening 24, the saddle-roof-shaped part 20 of the support element 1 is fastened to a studded belt foot 12 of the studded belt 10.
  • tapered shape 2 is formed.
  • the size of the support elements 1, in particular their height, is chosen so that the support can circulate elements 1 together with the lug strip 10 in the apparatus for filling granules in bags without hindering the lug strip 10.
  • the support element 1 comprises a saddle-roof-shaped part 20 and a holder 24.
  • the saddle-roof-shaped part 20 is rounded off both at the top of the pointed edge and at the edges of the lug strip 10 facing edges. This avoids that the bag material is mechanically damaged during transport on the tunnel belt 10.
  • the holder 24 comprises a holding plate 23 which is connected to the saddle-roof-shaped part 20, a clamping bracket 25, a clamping plate 26 and a plurality of screws 27 and nuts 28. With the clamping bracket 25, the clamping bracket plate 26 and at least two screws 27, the holder 24 attached to a Stollenbandfuß 12 of the studded belt 10. The screws 27 engage in a thread 29 in the clamp 25 a. About at least one screw 27, the clamping bracket 25 is connected to the holding plate 23. With several nuts 28, the connection is fixed.
  • the assembly of the support elements 1 on the tunnel belt 10 with other means than the aforementioned is possible. If the support elements 1 no longer have to be removed from the lug strip 10, it is conceivable, for example, to connect the support element 1 to a lug foot 12 by welding or gluing.
  • the holder 24 can also be designed with other means for attachment, such as, for example, a direct screw connection in the cleated belt foot 12.
  • the saddle-roof-shaped part 20 has two flanks 21, 22.
  • the direction of travel of the chute belt 10 facing edge 21 closes with the solder at an angle ⁇ .
  • the counter to the direction of the tunneling belt 10 facing edge 22 of the saddle roof-shaped part 20 closes with the solder at an angle ß.
  • the angle ⁇ of the flank 21 is smaller than the angle ⁇ of the flank 22, that is to say the flank 21 pointing in the transport direction is steeper than the flank 22 pointing opposite to the transport direction or Stollenbands 10 when Sackabschitz 13 optimized LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Basic Packing Technique (AREA)
  • Bag Frames (AREA)
  • Belt Conveyors (AREA)

Abstract

L'invention concerne un dispositif et un procédé pour ensacher des granulats dans des sacs (34). L'invention concerne également un élément de support (1) pour soutenir un sac (34, 36) lors du remplissage, ledit élément de support (1) présentant la forme d'un toit en selle, et des moyens de fixation (24) à une bande transporteuse (10) étant fixés au niveau de la face inférieure dudit élément de support (1).
PCT/EP2012/066095 2011-08-18 2012-08-17 Procédé d'ensachage de granulats dans des sacs WO2013024154A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US14/239,168 US20140352844A1 (en) 2011-08-18 2012-08-17 Method for filling bags with granules
EP12766599.0A EP2744708A1 (fr) 2011-08-18 2012-08-17 Procédé d'ensachage de granulats dans des sacs
KR1020147006712A KR20140064864A (ko) 2011-08-18 2012-08-17 과립으로 백을 충전하는 방법
CN201280040301.6A CN103748013A (zh) 2011-08-18 2012-08-17 用于向袋子填充颗粒的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011081153A DE102011081153A1 (de) 2011-08-18 2011-08-18 Verfahren zum Abfüllen von Granulaten in Säcken
DE102011081153.2 2011-08-18

Publications (1)

Publication Number Publication Date
WO2013024154A1 true WO2013024154A1 (fr) 2013-02-21

Family

ID=46963670

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/066095 WO2013024154A1 (fr) 2011-08-18 2012-08-17 Procédé d'ensachage de granulats dans des sacs

Country Status (6)

Country Link
US (1) US20140352844A1 (fr)
EP (1) EP2744708A1 (fr)
KR (1) KR20140064864A (fr)
CN (1) CN103748013A (fr)
DE (1) DE102011081153A1 (fr)
WO (1) WO2013024154A1 (fr)

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US10836526B2 (en) 2015-06-12 2020-11-17 Tgw Logistics Group Gmbh Method for picking goods in bags

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DE102015109798B4 (de) * 2015-06-18 2020-04-09 Andreas Hardt Verfahren und Vorrichtung zum automatisierten Befüllen von Sandsäcken
CN108100737B (zh) * 2018-01-31 2024-04-12 上海德辉物流有限公司 一种全自动面膜生产线
US11129325B2 (en) * 2018-07-02 2021-09-28 Felton, Inc. Conveyance belt for high speed planting of seeds

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US20140352844A1 (en) 2014-12-04
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DE102011081153A1 (de) 2013-02-21
EP2744708A1 (fr) 2014-06-25

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