EP0228541B1 - Vorrichtung zum Verschliessen von gefüllten Säcken - Google Patents

Vorrichtung zum Verschliessen von gefüllten Säcken Download PDF

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Publication number
EP0228541B1
EP0228541B1 EP86115492A EP86115492A EP0228541B1 EP 0228541 B1 EP0228541 B1 EP 0228541B1 EP 86115492 A EP86115492 A EP 86115492A EP 86115492 A EP86115492 A EP 86115492A EP 0228541 B1 EP0228541 B1 EP 0228541B1
Authority
EP
European Patent Office
Prior art keywords
rollers
roller
opening edges
closing
carriage
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.)
Expired - Lifetime
Application number
EP86115492A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0228541A1 (de
Inventor
Konrad Tetenborg
Heinz Eschmann
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP0228541A1 publication Critical patent/EP0228541A1/de
Application granted granted Critical
Publication of EP0228541B1 publication Critical patent/EP0228541B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/04—Applying separate sealing or securing members, e.g. clips
    • B65B51/07—Sewing or stitching
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/02—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks
    • B65B7/06—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks by collapsing mouth portion, e.g. to form a single flap

Definitions

  • the invention relates to a device for closing filled bags according to the preamble of claim 1.
  • slip occurs between the sack flag formed by the superimposed sack edges of the filled sack and the rollers pulling them out, so that the sack edges are damaged by the rollers and the upper edges of the pulled-out flags become can be located at different heights according to different filling levels. For the subsequent processing operations it is therefore necessary either to trim the protruding flags or to align the bags in their height.
  • the object of the invention is to provide a locking device according to the preamble of claim 1, in which the flags formed by the extended sack edges have a precisely defined height.
  • the sack flag is pulled forward by the pair of preferred rollers without any slippage between this and the sack material. Since the rollers of the pair of preferred rollers always run through a precisely defined angle of rotation, the advanced flag always has a precisely defined height, so that later processing operations, such as the application of a rider tape, can be carried out without further adjustments or trimming.
  • a filling station 1 and a rotating drum-shaped feed device 3 rotating about the horizontal transverse axis 2 is shown with pair of eight gripper tongs 4 distributed over the circumference, which are designed in the manner described in DE-PS 26 29 065, so that here a detailed description is omitted.
  • the pair of gripper tongs 4 arranged laterally on the drum-shaped feed device 3 place the filled sack 5 on the feed end of the belt conveyor 6, the flattened opening edge of the sack 5 being held horizontally by the gripper tongs 4 with a protruding flag.
  • the clamping jaws of the second gripping device of the sewing device consisting of rollers 7, 8, take over the flattened opening edges and clamp them firmly on the outer flags between them.
  • the carriage carrying the rollers 7, 8 is moved together with the bag 5 transported on the conveyor belt 6 into the sewing position 10.
  • the rollers 7, 8 pivot together about the axis of the lower roller 7, so that in the sewing position 10 the flattened opening edge is vertical in the manner shown.
  • the transport under the roller 7 performs a rotary movement, so that the flattened opening edge is advanced by the rollers 7, 8, forming a pair of transport rollers, to the extent that the edge strip of the opening edge is long enough to use the sewing machine II to close one of the opening edges
  • Execute seam the opening edges can be folded over or rolled in and the sewing seam is carried out through the folded over or rolled-in area.
  • the conveyor belt 6 is provided in the manner shown with support brackets 12 which support the bags 5 and hold them in their vertical position during transport.
  • the slide supporting the rollers 7, 8 can be moved on guide rails in synchronism with the bags 5 from the depositing position of the bags into the sewing position.
  • a spindle 14 driven by the motor 13 is provided for moving the carriage.
  • the bags 5 closed by sewing seams are dropped onto the conveyor belt 15 following and transported away.
  • the carriage supporting the rollers 7, 8 is explained in more detail below with reference to FIGS. 3 and 4.
  • the carriage consists of a frame formed by a triangular-shaped carrier, which is connected via support plates 18 to sliding bushes, not shown, which are guided on mutually parallel guide rods 19.
  • the horizontal cross member 20 of the frame 17 is screwed at the end in a fork shape with bearing plates 21 which are provided with bearing bores in which the shaft journals 22 of the roller 7 are rotatably mounted.
  • the lateral legs 23 of a bow-shaped frame 24 are clamped onto the outer ends of the shaft journals 22, so that the latter can be pivoted about the longitudinal axis of the roller 7.
  • the side legs 23 of the bow-shaped frame 24 are provided with elongated holes 25, in which the shaft journals 26 of the upper roller 8 are slidably guided.
  • the shaft journals 26 are connected to the piston rods 27 by pneumatic cylinders 28, which in turn are shown in FIG Are fixed in the bow-shaped frame 24.
  • the pneumatic cylinder 28 can move the roller 8 against the roller 7 and lift it off.
  • the roller 8 has a jacket which is freely rotatable relative to the axle journals 26 connected to the piston rods 27.
  • the upper angled arm 30 of an angle lever 31 is clamped, which is articulated with the end of its longer arm in the joint 33 with the coupling rod 34, which is pivotably mounted in the joint 35 in the machine frame 36.
  • the shorter arm 30 of the angle lever 31 can be seen in plan view in FIG. 4.
  • the longer, downward-pointing arm of the angle lever 31 can be seen in cross section in FIG. 4 and is indicated by a solid line and a dashed line.
  • the joint 33 is only indicated in FIG. 4 by a dash-dotted line.
  • the coupling rod 34 is articulated in the manner shown in FIG. 4 at the end of a bolt 38 which is fastened in the manner shown in FIG. 4 to the vertical angle profile 39 of the frame 36.
  • the bow-shaped frame 24 pivotably mounted on the pin 22 of the lower roller 7 is provided with U-shaped holding pieces 40, 41 which hold the hydraulic cylinders 28.
  • a further coupling rod 42 is articulated, the other end of which is articulated on the bolt 44, which is also fastened to the vertical profile 39 of the frame 36.
  • the lengths of the coupling rods 34, 42 and their articulation points on the vertical profile 39 of the frame 36 as well as the articulation point of the coupling rod 42 on the holding piece 41 of the frame 24 and the lengths of the arms of the angle lever 31 are chosen such that in a method of the carriage 16 1 and 2 into the sewing position 10 shown in FIG. 1, the bow-shaped frame 24 is pivoted from its vertical position into a horizontal position and the roller 7 moves the opening edges detected only on the outer flags by the desired Prefers length.
  • the coupling rod 42 forms with the frame 24 and the coupling rod 34 with the angle lever 31 each a coupling rod lever gear, through which the frame 24 is pivoted between its vertical position and its horizontal position and on the other hand the lower roller 7 the required rotation to give preference to the flattened opening edge.
  • the required drive is derived from the carriage 16.
  • the carriage 16 is displaceable on the guide rods 19 via bushings, not shown, which run parallel to the conveyor belt 6.
  • the guide rods 19 are fastened to end holding plates 50, 51 which are connected to one another parallel to the guide rods by the carrier profiles 52, 53.
  • the carrier profiles 52, 53 and possibly also the holding plate 51 are connected to the vertical profile 39 of the frame 36.
  • the carriage 16 is firmly connected to a spindle nut 55 into which the spindle 14 is inserted.
  • the spindle 14 is rotatably mounted in the holding plate 50.
  • the motor 56 which drives the spindle 14, is additionally flanged to the holding plate 50.
  • the motor 56 is controlled in such a way that it moves the carriage 16 synchronously with the conveyor belt 6 from the receiving station into the sewing station.
  • a cross member 60 is fastened to the vertical profiles 39 in the manner shown in FIG. 3 and carries the profiles 62, 63 via holding pieces 61.
  • the profiles 62, 63 are connected at the end in a leg-like manner to support plates 65, 66, between which guide rods 67, 68 are fastened at a distance and parallel to one another.
  • a carriage 70 carrying the sewing machine 11 can be moved on these guide rods 67, 68 and is guided on the guide rods 67, 68 via bushings (not shown).
  • the carriage is provided with a spindle nut into which the spindle 72 shown in FIG. 2 is screwed.
  • the spindle is driven by the motor 73 flanged to the holding plate 66.
  • the sewing machine 11 fastened on the carriage can thus be moved in the transverse direction to the conveyor belt 6 by the spindle drive in order to attach the sewing seam to the opening edges fixed in the sewing position by the rollers 7, 8.
  • Fig. 3 the frame 36, 39 is shown in an extended position, as is illustrated by the vertical profiles 39 shown twice.
  • the sack 5 is shown immediately after being placed on the conveyor belt 6.
  • the rollers 7, 8 are still at a distance from the pliers-like gripping members 4 projecting from the flag 75.
  • the bag is placed on the conveyor belt 6 after it has been filled by the filling device 80 by means of gripping or holding devices (not shown).
  • the rollers 7, 8 forming a pair of preferred rollers are moved together by a device, not shown, so that they clamp the vertical and superimposed opening edges of the filled bag between them.
  • the rollers 7, 8 advance the opening edges lying one on top of the other so far that they can be closed by a sewing seam even after being folded once or several times.
  • rollers 7, 8 are arranged in a carriage running in a guide, which is driven synchronously with the conveyor belt 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Package Closures (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
EP86115492A 1985-12-13 1986-11-07 Vorrichtung zum Verschliessen von gefüllten Säcken Expired - Lifetime EP0228541B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3544156 1985-12-13
DE3544156 1985-12-13
DE19863615178 DE3615178A1 (de) 1985-12-13 1986-05-05 Vorrichtung zum verschliessen von gefuellten saecken
DE3615178 1986-05-05

Publications (2)

Publication Number Publication Date
EP0228541A1 EP0228541A1 (de) 1987-07-15
EP0228541B1 true EP0228541B1 (de) 1990-05-16

Family

ID=25838811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86115492A Expired - Lifetime EP0228541B1 (de) 1985-12-13 1986-11-07 Vorrichtung zum Verschliessen von gefüllten Säcken

Country Status (6)

Country Link
US (1) US4756142A (pt)
EP (1) EP0228541B1 (pt)
JP (1) JP2557863B2 (pt)
BR (1) BR8606150A (pt)
CA (1) CA1271173A (pt)
DE (1) DE3615178A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0656101A (ja) * 1992-05-06 1994-03-01 Sig (Schweiz Ind Ges) 軟質袋体の充填装置
DE4314711C2 (de) * 1993-05-04 1998-09-10 Windmoeller & Hoelscher Vorrichtung zum Füllen und Verschließen gefüllter Säcke
DE4443480C2 (de) * 1994-12-07 2001-06-07 Rovema Gmbh Fördervorrichtung und Verfahren zur Förderung von Packgut entlang einer Verpackungsstrecke
DE19749025A1 (de) * 1997-11-06 1999-05-27 Icoma Fbs Gmbh Packtechnik Verfahren zum Befüllen und Verschließen von Säcken
EP1191385B1 (de) * 2000-09-25 2006-03-29 Siemens Aktiengesellschaft Flüssigkristall-Anzeige
DE10358490B4 (de) * 2003-12-13 2005-12-15 Chronos Richardson Gmbh Vorrichtung zum Handhaben eines Sackes beim Vernähen
ES2322170T3 (es) * 2005-02-18 2009-06-17 Ventomatic S.P.A. Dispositivo para sellar bolsas que contienen materiales en polvo o granulares.
US20150151863A1 (en) * 2013-09-09 2015-06-04 Sandbags, LLC Material handling machine
CN104150257A (zh) * 2013-10-23 2014-11-19 厦门市保源塑料制品有限公司 全自动绕线机
CN106742110A (zh) * 2015-11-24 2017-05-31 衡阳市维达胜电气自动化设备有限公司 一种谷物自动定量打包机
CN105346777B (zh) * 2015-11-30 2018-05-08 内黄县昌兴生物机械设备有限公司 数控全自动菌包捆扎机
CN105947243A (zh) * 2016-06-24 2016-09-21 天津市大环生物肥料有限公司 一种有机肥装袋打包设备
CN206590173U (zh) * 2017-02-13 2017-10-27 天津同祺科技有限公司 一种将编织袋喂入缝包机的装置
CN114313466A (zh) * 2021-12-31 2022-04-12 合肥赛摩雄鹰自动化工程科技有限公司 一种缝包或热合封口功能一体化全自动包装机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1646397A (en) * 1926-07-26 1927-10-25 Frank Julius Bag-sealing machine
US2576471A (en) * 1946-04-13 1951-11-27 Amseo Packaging Machinery Inc Bag handling machine having means for driving the bag downwardly and closing the mouth thereof
US3241290A (en) * 1962-05-14 1966-03-22 Canadian Ind Bag top aligning device
US3471990A (en) * 1967-01-03 1969-10-14 Johnson Co Gordon Apparatus for and method of stretching,sealing and removing the tab from packages
DE1948229C3 (de) * 1969-09-24 1978-03-16 Haver & Boecker, 4740 Oelde Füllvorrichtung für einen oben offenen Sack, Beutel oder dergleichen
US3875726A (en) * 1973-10-23 1975-04-08 Olinkraft Inc In-feed device and method
US3990216A (en) * 1975-05-05 1976-11-09 Martin William F Bag closing and feeding apparatus
NL7511968A (nl) * 1975-10-10 1977-04-13 Grisnich Maschf Bv Inrichting voor het leiden van zakranden.
DE2629065C3 (de) * 1976-06-29 1979-04-05 Windmoeller & Hoelscher, 4540 Lengerich Vorrichtung zum automatischen Füllen und Verschließen von Sacken
DE2852191A1 (de) * 1978-12-02 1980-06-04 Rovema Gmbh Verfahren und vorrichtung zum fuellen und verschliessen von saecken
AT363851B (de) * 1979-12-12 1981-09-10 Pohlig Heckel Bleichert Vorrichtung zum verschliessen von insbesondere mit schuettgut od.dgl. gefuellten kunststoffsaecken durch verschweissen
DE3432517C2 (de) * 1984-04-26 1987-03-05 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum Umlegen der einen gefüllten Sack seitlich überragenden Fahnen auf die mit Klebstoffstreifen versehene Sackoberseite

Also Published As

Publication number Publication date
US4756142A (en) 1988-07-12
JP2557863B2 (ja) 1996-11-27
BR8606150A (pt) 1987-09-22
DE3615178A1 (de) 1987-06-25
DE3615178C2 (pt) 1987-11-26
CA1271173A (en) 1990-07-03
EP0228541A1 (de) 1987-07-15
JPS62146124A (ja) 1987-06-30

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