EP0017097A1 - Machine pour le remplissage de sacs - Google Patents

Machine pour le remplissage de sacs Download PDF

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Publication number
EP0017097A1
EP0017097A1 EP80101474A EP80101474A EP0017097A1 EP 0017097 A1 EP0017097 A1 EP 0017097A1 EP 80101474 A EP80101474 A EP 80101474A EP 80101474 A EP80101474 A EP 80101474A EP 0017097 A1 EP0017097 A1 EP 0017097A1
Authority
EP
European Patent Office
Prior art keywords
filling
conveyor belt
guided
machine according
filling machine
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
EP80101474A
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German (de)
English (en)
Other versions
EP0017097B1 (fr
Inventor
Manfred Kayss
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0017097A1 publication Critical patent/EP0017097A1/fr
Application granted granted Critical
Publication of EP0017097B1 publication Critical patent/EP0017097B1/fr
Expired legal-status Critical Current

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    • 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
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • 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
    • B65B1/18—Methods of, or means for, filling the material into the containers or receptacles for filling valve-bags

Definitions

  • the invention relates to a bag filling machine with a unit having a conveyor belt for supplying the medium to be bagged and with a filling pipe.
  • the conveyor belt is an element of a centrifugal belt filling element and cooperates here with a flywheel in which a U-shaped channel is formed on the outside.
  • the outer circumference of the flywheel lies against the centrifugal belt, so that a closed cross section is formed which binds the feed cross section.
  • the centrifugal belt and flywheel are driven at high speed and accelerate the material to be fed, which is then conveyed into the sack in a free jet through the filling pipe.
  • Filling machines of this type used for the filling of fillings of gritty to lumpy structure, for example of finer products, such as white sugar and fertilizer granules to animal feed or shredded compacts.
  • the object of the invention is to provide a filling machine with which the product can be filled with high performance and almost without mechanical stress.
  • a conveyor belt is arranged on at least one wall area of the filling pipe, on which the filling material rests, the flow of which downward deflection in the area of the filling pipe mouth.
  • the filling pipe may be expedient to provide the filling pipe with at least two conveyor belts which run on different wall surfaces of the filling pipe.
  • the bottom of the filling tube can have two bottom surfaces inclined in a V-shape, on each of which a conveyor belt is guided. It is also possible in such a filling machine to provide the filling tube with a bottom and side walls lying at an angle thereto, on each of which a conveyor belt is guided.
  • At least the conveyor belt guided on the bottom surface or the bottom surfaces should extend with its upstream end to at least the rear edge of the inlet funnel.
  • the filling tube has an essentially rectangular cross section and conveyor belts are guided on two opposite wall surfaces.
  • the conveyor belts can be designed to converge at least over a partial area downstream.
  • the filling pipe can be arranged both horizontally and at an angle or vertically.
  • the filling pipe can be provided with an inclined inlet shaft, on the lower and upper wall of which a conveyor belt is guided.
  • a continuous conveyor belt can be provided for the upper walls of the filling pipe and the inlet shaft.
  • the conveyor belt is slidably guided on a guide plate and deflected around a rounded edge of the guide plate at the downstream end.
  • the guide plates carrying the conveyor belt are located at the downstream end within the filling tube.
  • the guide plates can be straight or curved in cross-section. It is possible, for example, to design the guide plate in a U-shape with a semicircular web, or else in the area of the filling tube as a tube slotted in the longitudinal direction on its upper side.
  • a filling element 2 is shown with a filling funnel 4, to which a filling pipe 6 connects horizontally, on which a valve bag 8 can be plugged in for filling in the usual way.
  • the bottom of the filling funnel 4 is formed by a conveyor belt 10 which extends with its downstream end to the front edge of the filling tube 6, ie to the mouth 12 thereof.
  • the conveyor belt 10 is guided on a metal plate 14 and guided around a rounded edge 15 of the metal plate 14 at the downstream end. At the upstream end, the conveyor belt 10 extends beyond the rear wall 16 and is guided there around a drive roller 18.
  • the conveyor belt On the underside of the metal plate 14, the conveyor belt is guided around a tension roller 20, which keeps the returning run 22 of the conveyor belt parallel to the underside of the metal plate 14 and is adjustable in the direction of the arrow to adjust the tension of the conveyor belt if such a tensioning option is not is provided in the bearing of the drive motor for the drive roller 18.
  • the metal plate As shown in Fig. 2, the metal plate is arranged within the filling tube 6, in such a way that it bears against the side walls thereof. It can be held by screws which are passed through the straight sections of the side walls of the filling tube.
  • the conveyor belt can be a fabric belt coated or impregnated with a polyurethane with a wall thickness, for example between 0.8 and 1.5 mm.
  • Such belts have a high elasticity and a low coefficient of friction, so that they can be guided around small radii without roller bearings. Such belts still work reliably with semicircular deflections a radius of 3 mm.
  • the conveyor belt can be driven at speeds of up to 2 m / s and accordingly conveys the material accumulating in the funnel with a high conveying capacity into the valve bag 8 placed on the filling tube 6.
  • the material largely rests on the one running in the direction of the filling tube mouth Conveyor belt. Friction only occurs outside of the cone of bulk against the side wall of the filling pipe. The goods are thus transported in a dormant manner to the mouth without mechanical stress. The goods are therefore only mechanically stressed to a negligible extent. Due to the stationary transport, there is no segregation.
  • the underside of the conveyor belt can be cleaned in the area between the tensioning roller 20 and the drive roller 18, for example by means of a suction tube 24 which is introduced into this intermediate space, which can optionally be supplemented by a brush or the like.
  • the space can of course also be expanded for this purpose by a further deflection roller.
  • the filling tube is shown firmly connected to the filling funnel.
  • the filling tube can be formed separately from the filling funnel.
  • the guide plate 14 for the conveyor belt 10 can also be interrupted in the separation area.
  • the filling tube 26 here has a V-shaped bottom with the two bottom sections 28, on each of which a conveyor belt 30 is guided.
  • the two bottom sections 28 merge into a web 33 in the area of their connection.
  • the entire arrangement is enclosed by a filling tube jacket 32, the upper section 34 of which can be bent.
  • the entire good weight lies on the two conveyor belts.
  • the lower edges of the conveyor belts can rest against a guide bar 36 on the inside.
  • Corresponding guide strips can also be provided on the outside of the base plates.
  • the conveying cross section 38 of the filling tube 40 which is here essentially triangular, can also be provided on its upper side with a conveyor belt 42.
  • the material in the filling cross section 38 is thus enclosed on all sides by walls moving in the conveying direction.
  • the upper conveyor belt can also be designed so that a certain compression of the material is achieved.
  • the conveyor belt 42 can be guided at its upstream end to converge over a partial area to the other conveyor belts.
  • the filling tube 44 here has an essentially square cross section.
  • a guide plate 46 is arranged on the floor analogously to the guide plate 14 in the embodiment according to FIGS. 1 and 2.
  • the guide plate 46 forms here the web of a U-shaped cross section with legs 1 18, in turn, are formed as guide plates are guided on each of lateral conveyor belts 50th
  • the side guide plates 48 can, as shown, lie at right angles to the base plate 46, but they can also be inclined outwards or inwards.
  • the embodiment according to FIG. 5 has the advantage that for a given extent, which is generally given through the filling opening of a paper bag, for example through the valve opening, a larger conveying cross section can be achieved compared to the embodiment according to FIGS. 3 and 4.
  • the conveyor cross section is enclosed on all sides by conveyor belts, analogously to the embodiment according to FIG.
  • the filling tube 52 is again square here.
  • Conveyor belts of the type mentioned above are highly elastic and can also be guided around curved edges. It is possible, for example, to design the guide plate in the embodiment according to FIG. 1 to be curved downward in cross section in order to achieve more favorable filling tube cross sections in this way. Due to the high elasticity of the conveyor belt, the guide plate, as shown in Fig. 7, can also be U-shaped with a semicircular bottom. The shape of the cross section of the conveyor belt 54 is determined here by the deflecting edge at the front end of the guide plate 56.
  • the upright legs of the guide plate 56 can be designed to diverge outward in the region of the hopper, in such a way that the guide plate in the region of the rear end of the Filling funnel is essentially flat, so that the conveyor belt over a cylindrical drive roller can be driven.
  • the returning run can be guided accordingly by appropriate guide and tension rollers.
  • the guide plate 58 could also be tubular in the area of the filling tube 60, a slot 62 having to be arranged in the upper area. This profile of the support plate 58 could then also be continuously developed into a flat plate towards the rear deflecting end of the conveyor belt.
  • a filling pipe 64 is provided, which in cross-section can have, for example, an essentially square cross-section, that is, for example, can have a cross-section according to the embodiments according to FIGS. 5 and 6.
  • a lower one runs above the bottom of the filling pipe 64 Conveyor belt 66 on a guide plate 68.
  • the arrangement essentially corresponds to that according to FIG. 1.
  • a drive roller 70 and a deflection roller 72 are provided, which in turn can also serve as a tension roller.
  • An inclined inlet shaft 76 leads from an inlet opening 74 into the filling pipe 64.
  • This inlet shaft is delimited on its rear side by a guide plate 78, over which a conveyor belt 80 with a drive roller 82 and deflection roller 84 is guided. The lower end is provided with the rounded deflection edge 86.
  • the upper side of the inlet shaft 76 is delimited by a guide plate 90, which is of an angular design here and has a leg 91 in the region of the top of the filling tube 64 up to its front end extends.
  • a conveyor belt 88 is guided around the guide plate 90, which is guided in the region of the apex 92 of the guide plate 90 via two deflection rollers 94 and loops around a drive roller 96 in this region.
  • the material is already gripped in the area of the inclined feed shaft 76 by the opposite conveyor belts 80 and 88 and is thus fed to the horizontal section which is delimited in the area of the filling pipe 64 by the conveyor belts 66 and 88.
  • the feed shaft 76 can be designed to converge in the conveying direction, for example. This convergence can be fixed. However, it is also possible, for example, to arrange the conveyor belt 80 in a pivotable manner.
  • a convergence of the conveyor belts within the inlet shaft 76 can alternatively also be achieved in that the two legs 91, 93 of the guide plate 90 are connected to one another in an articulated manner at their apex 92, in which case the leg 93 pointing obliquely upwards can be made pivotable about this joint, so that the feed angle between the conveyor belts in the feed shaft 76 is adjustable.
  • conveyor belts 100, 102 which can either be horizontal or inclined at an angle to the inlet 74.
  • These counter-rotating conveyor belts ensure a uniform discharge from the upstream bunker and prevent this separation in the case of substances where separation is to be feared.
  • the two conveyor belts 100 and 102 can simultaneously serve to adjust the inlet cross section.
  • at least one of the conveyor belts can be designed to be adjustable in the longitudinal direction, as indicated by the double arrow on the conveyor belt 102.
  • the conveying of the filling material through the filling pipe in bag filling machines can be optimally adjusted to the respective material using the conveyor belts according to the invention, their arrangement and inclination to one another. In this way it is also possible to bag goods that cannot be filled into bags with the known filling devices.
  • FIG. 10 shows an embodiment with a filling tube 104 directed vertically downwards.
  • two counter-driven conveyor belts 110, 112 are provided, which run on guide plates 114, 116 and are provided with guide rollers and tensioning rollers.
  • the walls delimiting the inlet shaft 118 transversely to the level of the conveyor belts can be designed to be stationary. However, it is also possible to design the inlet shaft with three or four bands and then with a cross section approximately corresponding to the cross sections of FIGS. 4 and 6. In the embodiment according to FIG. 10, the inlet shaft 118 again has a convergence towards the outlet end.
  • conveyor belts conveying in the direction of the inlet opening 106 can be arranged above the connecting flange 108 in the bottom of an intermediate bunker or the like, analogously to the conveyor belts 100 and 102 in FIG. 9.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Structure Of Belt Conveyors (AREA)
EP80101474A 1979-03-29 1980-03-20 Machine pour le remplissage de sacs Expired EP0017097B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2912604 1979-03-29
DE2912604A DE2912604C2 (de) 1979-03-29 1979-03-29 Sackfüllmaschine

Publications (2)

Publication Number Publication Date
EP0017097A1 true EP0017097A1 (fr) 1980-10-15
EP0017097B1 EP0017097B1 (fr) 1982-05-19

Family

ID=6066867

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80101474A Expired EP0017097B1 (fr) 1979-03-29 1980-03-20 Machine pour le remplissage de sacs

Country Status (3)

Country Link
US (1) US4355741A (fr)
EP (1) EP0017097B1 (fr)
DE (1) DE2912604C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2227989A (en) * 1989-02-08 1990-08-15 Ronald John Particulate solids feeder

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3102552A1 (de) * 1981-01-27 1982-10-21 Werner 2082 Tornesch Czepluch "vollautomatische vorrichtung zum verpacken von stueckigen guetern, insbesondere von leicht empfindlichen fruechten und von schokoladenhohlkoerpern"
US6484870B2 (en) * 2000-06-14 2002-11-26 John N. Bohnker Dual belt conveyor system
AU2016241572B2 (en) 2015-03-31 2021-06-17 Fisher & Paykel Healthcare Limited A user interface and system for supplying gases to an airway
KR20220165802A (ko) 2016-08-11 2022-12-15 피셔 앤 페이켈 핼스케어 리미티드 압궤 가능 도관, 환자 인터페이스 및 헤드기어 연결부

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2080636A1 (fr) * 1970-02-19 1971-11-19 Kornylac Co

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1614378A (en) * 1926-07-17 1927-01-11 Micka Ferdinand Compression feeding device
US1979483A (en) * 1932-01-16 1934-11-06 St Regis Paper Co Bag filling apparatus
US2605990A (en) * 1946-09-12 1952-08-05 St Regis Paper Co Apparatus for filling valve bags
DE812896C (de) * 1949-01-27 1951-09-06 Verpackungsbedarf G M B H Verfahren und Vorrichtung zum Fuellen von Ventilsaecken
DE826425C (de) * 1949-10-23 1952-01-03 Wilhelm Meininghaus In seiner Nutzlaenge verstellbares Foerdermittel
DE1461862A1 (de) * 1964-09-25 1969-02-20 Feldmuehle Ag Verfahren und Vorrichtung zum Fuellen von Verpackungen
CH536185A (de) * 1971-03-24 1973-04-30 Fahrni Peter Verfahren und Vorrichtung zur Herstellung von Plattenformlingen oder einzelner Schichten solcher Formlinge durch Aufstreuen von losen Teilchen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2080636A1 (fr) * 1970-02-19 1971-11-19 Kornylac Co

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2227989A (en) * 1989-02-08 1990-08-15 Ronald John Particulate solids feeder
GB2227989B (en) * 1989-02-08 1993-02-03 Ronald John Improvements in or relating to a volumetric feeder of particulate solids

Also Published As

Publication number Publication date
EP0017097B1 (fr) 1982-05-19
DE2912604C2 (de) 1983-12-01
US4355741A (en) 1982-10-26
DE2912604A1 (de) 1980-10-02

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