EP0244600B1 - Vorrichtung zum Stapeln von flachen Gegenständen, vorzugsweise Doppelbeuteln aus Kunststoffolie - Google Patents

Vorrichtung zum Stapeln von flachen Gegenständen, vorzugsweise Doppelbeuteln aus Kunststoffolie Download PDF

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Publication number
EP0244600B1
EP0244600B1 EP19870103775 EP87103775A EP0244600B1 EP 0244600 B1 EP0244600 B1 EP 0244600B1 EP 19870103775 EP19870103775 EP 19870103775 EP 87103775 A EP87103775 A EP 87103775A EP 0244600 B1 EP0244600 B1 EP 0244600B1
Authority
EP
European Patent Office
Prior art keywords
stacking
combs
station
stacks
stack
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
EP19870103775
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0244600A3 (en
EP0244600A2 (de
Inventor
Fritz Achelpohl
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 EP0244600A2 publication Critical patent/EP0244600A2/de
Publication of EP0244600A3 publication Critical patent/EP0244600A3/de
Application granted granted Critical
Publication of EP0244600B1 publication Critical patent/EP0244600B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/98—Delivering in stacks or bundles
    • B31B70/984—Stacking bags on wicket pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6476—Including means to move work from one tool station to another

Definitions

  • the invention relates to a device for stacking flat objects provided with positioning holes in their central region, preferably double bags welded off from a plastic tube or semi-tubular web with opening edges lying in the region of the center line thereof, by a transfer device, preferably a so-called wicketer, with one horizontal axis rotating star-like and paired transport arms are placed in a stacking station on a stacking conveyor consisting of endless, intermittently driven traction means running over deflection wheels or rollers, with a supporting stacking pins arranged in the stacking station Stacking plate, onto which the objects are formed to form stacks, which are conveyed away by switching the traction means, with a downstream separation station with an up and down, preferably heated knife, which separates the stacks along a center line lying in the conveying direction, and with means for holding the separated stacks on the stack conveyor.
  • a transfer device preferably a so-called wicketer
  • the object of the invention is to provide a device of the type mentioned, the stacking conveyor need only be able to cope with less stress, so that the device can be built more easily and therefore more economically.
  • the stacking conveyor consists of two endless conveying means (for example belts, belts, belts or chains) rotating at a distance and parallel to one another, which serve to promote and hold the hepel in such a way that the Stacking pens in the Stacking station between the two endless conveyors in fixed guides are arranged so that they can be raised and lowered so that the stacking pins can be lowered below the conveying plane, and that the separating knife in the separating station has an abutment which is fixed to the frame between the two endless conveying means in the region of the conveying plane cooperates.
  • two endless conveying means for example belts, belts, belts or chains
  • the device according to the invention only needs to have simple, light pairs of conveyor belts or the like as stacking conveyors, since the pairs of conveyor belts or the like are only used to convey and hold the stack and do not also carry the counter tools for the separation station at a distance from the stack.
  • a stacking plate with only two stacking pins is only provided in the stacking station.
  • the stacking plate with the stacking pins is designed to be lowerable and is therefore used for stacking each stack in the stacking station.
  • an abutment which is fixed to the frame is provided for the separating knife, so that the stacks do not have to be separated with the interposition of the belts or the like of the stacking conveyor.
  • the stacking pins are expediently heated so that they block the successively stacked double bags in the stack which is being formed. If the conveyor belts forming the stacking conveyor or the like are not made wide enough so that the overhanging side parts of the stack of bags no longer find sufficient support on them after they have been separated, the separating station on both sides of the conveyor belts or the like can have axes parallel to the conveying direction Roller combs for lifting the hanging stack parts in the conveyor plane can be pivoted.
  • roller combs are pivotably mounted on the conveyor belts or the like between supporting frame parts on the side and on inner frame parts, which lift the hanging side stack parts into the conveying plane and their tines are arranged "on a gap" with the rollers are.
  • the support rakes first lift the laterally overhanging stack parts into the conveying plane in the separation station, so that the lateral roller combs can be pivoted in between the tines of the support rakes.
  • lateral support belts are provided for the stack parts projecting laterally from the conveyor belt pairs.
  • additional pressure belts can be provided above the support belts, which clamp the side stack parts between their lower runs and the upper runs of the support belts.
  • the inlet gap of the pressure belts can already be in the area of the separation station above the roller combs.
  • the holding means consist of the separate stacks between the upper and lower strands of clamping strap pairs. These pairs of clamping bands hold the stacks in a clamped position even after their central separation, so that they cannot slip despite their hanging side parts.
  • the pressure belts interacting with the upper runs of the conveyor belts or the like can be provided immediately after the stacking station.
  • the rear deflection rollers of the pressure belts are expediently mounted in raisable and lowerable rockers, so that the stacks can be removed from the stack conveyor in the region of the end thereof.
  • the conveyor belts or the like forming the stacking conveyor are expediently provided with stop strips which rest against the rear sides of the stack and form, as it were, pushing strips.
  • a shaft 2 is provided which is provided with a drive (not shown) and which carries the transport arms 3 arranged in pairs and provided with suction devices or gripping devices.
  • a cross-welding separating device Arranged in front of the wicking frame is a cross-welding separating device, not shown, for welding bags off a plastic tubular or semi-tubular web, from which the rotating transport arms 3 take over the finished double bags, which are still connected in their central area, and needle onto the stacking pins 4, 5.
  • a horizontal shaft 6 is supported, which carries two deflection rollers 7 at a distance from one another symmetrically to the transverse center plane of the pairs of transport arms 3.
  • a horizontal shaft 8 is likewise mounted in a frame (not shown), which correspondingly carries a pair of end pulleys 9.
  • Two endless conveyor belts 10 run around the deflection rollers 7, 9 in parallel and at a distance from one another.
  • a pair of rollers 7, 9 is provided with an intermittent drive, not shown.
  • the endless conveyor belts are provided with stop bars 12 at a distance from the stacks 11 to be removed step by step.
  • a support plate 15 is provided in the stacking station S between the winding arms 3 arranged in pairs, on which the stacking pins 4, 5 are fastened at a distance from one another in the transverse center plane between the winding arms 3.
  • the support plate 15 is fastened in the middle to the piston rod 16 of the pressure medium-piston-cylinder unit 17.
  • the cylinder of the pressure medium-piston-cylinder unit 17 is connected to the horizontal leg of the angled support piece 18, which is welded to the base support 19 of the device.
  • the support plate 15 is parallel to its guidance Piston rod 16 is provided with a guide pin 20 which passes through a bore in the horizontal leg of support piece 18 for its guidance.
  • the stacking pins 4, 5 are heated by a heating cartridge, to which the heating current is fed through the lines 22, 23.
  • the support plate 15 By actuating the pressure-piston-cylinder unit 17, the support plate 15 can be lowered so far that the tips of the stacking pins 4, 5 lie below the conveying plane of the conveyor belts 10.
  • FIG. 2 From Fig. 2 it can be seen that between the endless conveyor belts 10, 10 'running parallel to each other there is a gap in which the lifting and lowering support plate 15 with the stacking pins 4, 5 is arranged.
  • the conveyor belts 10, 10 ' are supported on box girders 27, 28 with a smooth surface.
  • the side parts of the stack 29 hang laterally over the conveyor belts 10, 10 '.
  • two pressure medium-piston-cylinder units 30, 31 are fastened to a frame-fixed support above the gap formed between the supports 27, 28, the piston rods of which bear a heated separating knife 32, which is lifted and lifted in the longitudinal median plane between the supports 27, 28 is lowerable.
  • an abutment 35 which extends over the length of the stacks 29, is fixed to the frame, the surface of which is aligned with the conveying plane.
  • support combs 38, 39 are pivotally mounted in the separation station T about axes 36, 37 which are parallel to one another and point in the conveying direction and which are supported by pressure-piston-cylinder units 40 in the manner shown in FIG the conveyor level swiveling and in the out 3, 6 and 7 visible manner to the carrier 27, 28 are hinged.
  • roller combs 47 which by means of pressure-piston-cylinder units 48 in the manner shown in FIG. 5 into the conveying plane are pivotable and can be folded against the side frame walls 44.
  • the roller combs consist of a central support 50, to which the axes of the freely rotatable rollers 51 are attached at right angles to this.
  • the freely cantilevered rollers 51 and the tines of the support combs 38 are arranged such that they are "on a gap" and penetrate each other without contact.
  • support belts 55, 56 are provided on the side next to the conveyor belts 10, 10 'and run around end pulleys.
  • lateral support belts 55, 56, pressure belts 57, 58 are provided, the inlet gap of which is formed by a deflecting roller and a guide roller is located in the separation station T and clamps the stacks transported into the separation station.
  • the support combs 38, 39 are first pivoted into the conveying plane by the piston-cylinder units 40, so that the stack 29 is stretched in the Funding level.
  • the lateral roller combs 47 are pivoted in, so that the support combs 38, 39 can then be pivoted back in the manner shown in FIG. 6.
  • the double stacks have been severed into single stacks, they are between the side stacks in the manner shown in FIG. 7 Support bands 55, 56 and the upper pressure belt 57, 58 clamped.
  • the support combs 38, 39 and roller combs 47 which can be pivoted in and out by themselves, make it possible to move the following stack into the separation station T during the removal of the last stack separated in the middle.
  • the support combs are pivoted out while the stack to be separated is at a standstill, so that they are folded onto the supports 27, 28.
  • the stacks with their hanging side parts can therefore be moved into the separating station T without hindrance, since the gaps between the front ends of the roller combs and the pivoted-out support combs are wide enough. If the previously separated stack 29 has been removed, the roller combs 47 are also pivoted out, so that the hanging side parts of the subsequent stack 29, which has in the meantime been conveyed into the separation station T, can be raised into the conveying plane of the roller combs 47 by pivoting the support combs. Then the roller combs are swung in so that the individual stacks can be removed after the separating cut.
  • roller and support combs which can be swiveled in and out alternately, thus make it possible to lift, separate and remove stacks 29, which are conveyed into the separating station T in close succession, into their extended position.
  • the supply of bags is briefly interrupted.
  • the support plate 15 with the stacking pins 4, 5 is lowered so that the stacks 29 lie freely with the side parts hanging down on the conveyor belts 10, 10 '. Since the stacking pins 4, 5 are heated, the stacks are already blocked with one another in the region of the stacking holes.
  • the conveyor belts 10, 10 ' are advanced by a conveying step by a drive, not shown, so that the stacking station is free and the stacking pins can be moved back into their needling position and stacking operation can be resumed.
  • the stacking station S and the separation station T correspond to those which have been explained with reference to FIGS. 1 to 7.
  • the device according to FIGS. 8 and 9 differs from that according to FIGS. 1 to 7 in the manner in which the stack of bags 29 is held on the conveyor belts 10, 10 '.
  • endless clamping belts 60, 61 are provided all around the conveyor belts 10, 10 '.
  • These clamping belts form for the stacks 29 an inlet gap created by two rollers 62, 63 immediately behind the stacking station S, so that the stacks of bags are clamped on the conveyor belts 10, 10 'until they are released.
  • Spring-loaded pressure rollers 63 act on the lower clamping strands of the clamping belts 60, 61.
  • the rear deflection rollers 64 of the clamping belts 60, 61 are pivotally mounted in rockers 65, which can be raised and lowered by pressure-medium-piston-cylinder units 66.
  • the clamping belts 60, 61 are synchronous with the conveyor belts 10, 10 ' driven intermittently. Special clamping or lifting means need not be provided in the device according to FIGS. 8 and 9 even in the separation station, since the stacks of bags are also fixed in this.
  • FIGS. 8 and 9 The exemplary embodiment according to FIGS. 8 and 9 is considerably simplified compared to that according to FIGS. 1 to 7, since only one pair of clamping belts 60, 61 is used to secure the position of the stacks 29 both immediately after stacking and also during separation and intermittent removal needs to be provided, which interacts with the conveyor strands of the conveyor belts 10, 10 '.
  • the positioning holes provided in the middle area of the flat objects or double bags can also be dispensed with. Instead, the stacking pins are then preferably also heated needles on which the objects are needled.
  • the stacking pins consist of preferably heated needles, onto which the objects are needled without being previously punched.

Landscapes

  • Making Paper Articles (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
EP19870103775 1986-04-02 1987-03-16 Vorrichtung zum Stapeln von flachen Gegenständen, vorzugsweise Doppelbeuteln aus Kunststoffolie Expired - Lifetime EP0244600B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3611041 1986-04-02
DE3611041 1986-04-02
DE19863619933 DE3619933A1 (de) 1986-04-02 1986-06-13 Vorrichtung zum stapeln von flachen gegenstaenden, vorzugsweise doppelbeuteln aus kunststoffolie
DE3619933 1986-06-13

Publications (3)

Publication Number Publication Date
EP0244600A2 EP0244600A2 (de) 1987-11-11
EP0244600A3 EP0244600A3 (en) 1988-10-19
EP0244600B1 true EP0244600B1 (de) 1991-10-16

Family

ID=25842545

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870103775 Expired - Lifetime EP0244600B1 (de) 1986-04-02 1987-03-16 Vorrichtung zum Stapeln von flachen Gegenständen, vorzugsweise Doppelbeuteln aus Kunststoffolie

Country Status (6)

Country Link
US (1) US4826476A (enrdf_load_stackoverflow)
EP (1) EP0244600B1 (enrdf_load_stackoverflow)
DE (1) DE3619933A1 (enrdf_load_stackoverflow)
DK (1) DK167287A (enrdf_load_stackoverflow)
ES (1) ES2026473T3 (enrdf_load_stackoverflow)
SU (1) SU1620047A3 (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3611237A1 (de) * 1986-04-04 1987-10-08 Windmoeller & Hoelscher Vorrichtung zum stapeln von flachen gegenstaenden, vorzugsweise doppelbeuteln aus kunststoffolie
US5000728A (en) * 1987-06-12 1991-03-19 Lemo M. Lehmacher & Sohn Gmbh Maschinenfabrik Method of and apparatus for stacking bag segments
US4846598A (en) * 1987-12-21 1989-07-11 Livits Eric A One-handed keyboard
DE19839155B4 (de) * 1998-08-28 2004-09-16 Lemo Maschinenbau Gmbh Verfahren und Vorrichtung zum stapelweisen Verblocken von Kunststoffbeuteln, insbesondere Automatenbeuteln durch Verschweißen
DE102004035672A1 (de) * 2004-07-22 2006-03-30 Windmöller & Hölscher Kg Verkürzte Stapelbildung
US9505504B2 (en) 2011-02-18 2016-11-29 Pouch Pac Innovations, Llc Apparatus for the two stage filling of flexible pouches
US9944037B2 (en) * 2011-05-12 2018-04-17 Pouch Pac Innovations, Llc Apparatus for simultaneously separating a plurality of pouches, transferring the pouches and method of same
CN105283309B (zh) * 2013-04-19 2017-11-03 Ipn Ip有限公司 用于组装和收集未填充的带嘴袋的系统和方法
CN112123743B (zh) * 2020-09-04 2022-02-01 许昌学院 一种用于法布里-珀罗干涉仪透明基板的整平装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128049A (en) * 1971-08-17 1978-12-05 Hans Lehmacher Apparatus for manufacture of pad stacked bags or the like
DE2302477C3 (de) * 1973-01-19 1981-03-26 Stiegler GmbH Maschinenfabrik, 73635 Rudersberg Vorrichtung zum Fördern eines aus folienförmigen Abschnitten gestapelten Stapels
US4207667A (en) * 1977-09-12 1980-06-17 Flexible Design Packaging Machine Company Method and apparatus for automatic sheet cutting and stacking
DE8128146U1 (de) * 1980-09-26 1982-12-09 Fmc Corp., Chicago, Ill. Vorrichtung zur herstellung von beutelstapeln
US4451249A (en) * 1980-09-26 1984-05-29 Debin Rene F Manufacture of thermoplastic bags
DE3201170C1 (de) * 1982-01-16 1983-05-19 M. Lehmacher & Sohn Gmbh Maschinenfabrik, 5216 Niederkassel Vorrichtung zum Querschweissen und Trennen einer Kunststoffolien-Doppelbahn
DE3505858A1 (de) * 1984-11-23 1986-06-05 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum stapeln von flachen gegenstaenden, vorzugsweise beuteln aus kunststoffolie
US4668148A (en) * 1985-06-27 1987-05-26 Fmc Corporation Sheet stacking and transferring device
DE3609362A1 (de) * 1986-03-20 1987-10-08 Lehmacher & Sohn Masch Vorrichtung zum stapeln von doppelbeutelabschnitten sowie zum aufteilen des doppelbeutelstapels in zwei einzelbeutelstapel

Also Published As

Publication number Publication date
SU1620047A3 (ru) 1991-01-07
DE3619933A1 (de) 1987-10-08
DE3619933C2 (enrdf_load_stackoverflow) 1990-08-16
EP0244600A3 (en) 1988-10-19
US4826476A (en) 1989-05-02
DK167287A (da) 1987-10-03
DK167287D0 (da) 1987-04-01
ES2026473T3 (es) 1992-05-01
EP0244600A2 (de) 1987-11-11

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