DE1966161C2 - Device for manufacturing bags from a sheet of film folded on itself around a longitudinal edge - Google Patents
Device for manufacturing bags from a sheet of film folded on itself around a longitudinal edgeInfo
- Publication number
- DE1966161C2 DE1966161C2 DE1966161A DE1966161A DE1966161C2 DE 1966161 C2 DE1966161 C2 DE 1966161C2 DE 1966161 A DE1966161 A DE 1966161A DE 1966161 A DE1966161 A DE 1966161A DE 1966161 C2 DE1966161 C2 DE 1966161C2
- Authority
- DE
- Germany
- Prior art keywords
- feed roller
- feed rollers
- feed
- roller
- pressure
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
- B31B70/645—Making seals transversally to the direction of movement
-
- 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
- B31B2155/00—Flexible containers made from webs
-
- 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
- B31B2155/00—Flexible containers made from webs
- B31B2155/001—Flexible containers made from webs by folding webs longitudinally
-
- 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
- B31B2155/00—Flexible containers made from webs
- B31B2155/001—Flexible containers made from webs by folding webs longitudinally
- B31B2155/0014—Flexible containers made from webs by folding webs longitudinally having their openings facing transversally to the direction of movement
-
- 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
-
- 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
- B31B70/26—Folding sheets, blanks or webs
- B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
-
- 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
- B31B70/26—Folding sheets, blanks or webs
- B31B70/36—Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores
-
- 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
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
-
- 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
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1054—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing and simultaneously bonding [e.g., cut-seaming]
-
- 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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
- Y10T156/1313—Cutting element simultaneously bonds [e.g., cut seaming]
Landscapes
- Making Paper Articles (AREA)
- Package Closures (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
Diese erfindungsgemäße Halterung und Beaufschlagung der oberen Vorzugswalze hat den Vorteil, daß beiThis holder according to the invention and application of the upper draw roller has the advantage that at
Die vorliegende Erfindung betrifft eine Vorrichtung kurzzeitigen Unterbrechungen nur ein geringfügiges zum Fertigen von Beuteln aus einer um eine Längskante Abheben der Vorzugswalze erfolgen kann, während auf sich gefalteten Folienbahn nach dem Oberbegriff 40 sich bei einer längeren Unterbrechung ein größerer des Patentanspruchs 1. Spalt zwischen den Vorzugswalzen ergibt der ein ent-Aus der DE-AS 11 12 387 ist eine Vorrichtung zum sprechend leichtes Einfädeln der Schweißbahnen cr-Vorziehen der Schlauchbahn in Schlauchziehmaschinen möglicht Eine sehr schnelle Taktung und damit Herstelfür die Sackherstellung mit übereinander, parallel zuein- lung der Beutel mit hoher Frequenz wird insbesondere ander im Maschinentakt angetriebenen Vorzugswalzen 45 durch die Verwendung der Pneumatikzylinder ermögbekannt, die die Schlauchbahn einem synchron mit ih- lichtThe present invention relates to a device with short interruptions only slightly for the production of bags from a lifting of the feed roller around a longitudinal edge can be done while on itself folded film web according to the preamble 40 is a larger one with a longer interruption of claim 1. The gap between the feed rollers results in an ent-off DE-AS 11 12 387 is a device for speaking easy threading of the welding tracks cr-preferential of the hose web in hose drawing machines enables very fast timing and therefore manufacturing the sack production with one on top of the other, parallel to one another, the bags with a high frequency is in particular other feed rollers 45 driven in the machine cycle by the use of the pneumatic cylinder made possible, the hose track is synchronized with ih-light
nen arbeitenden Arbeitsmechanismus zuführen. Bei die- Eine für die Herstellung von Beuteln mit Zwickel vorser Vorrichtung laufen die Einzugsrollen ständig. Die teilhafte Ausgestaltung der erfindungsgemäßen Voroberen Einzugsrollen werden nur im Wechsel durch richtung ist nach Anspruch 2 so ausgebildet, daß der Nockenscheiben angehoben, so daß sie entsprechend 50 Beaufschlagungsdruck für die Pneumatikzylinder unab- \i dem Durchgang eines mit Klebstoff beschichteten Be- hängig voneinander einstellbar istto a working working mechanism. In the one for the production of bags with gusset in front of the device, the feed rollers run continuously. The partially embodiment of the Voroberen feed rollers according to the invention are only alternately through direction is formed according to claim 2, that the cam discs raised so that it is adjustable dependent from each other corresponding to 50 apply pressure to the pneumatic cylinder inde- \ i the passage of adhesive coated sawn
reiches auf der Schlauchbahn nacheinander zur Wir- Die Erfindung wird in der nachfolgenden Beschrei-The invention is described in the following description.
kung kommen, wobei immer nur eine der beiden oberen bung anhand der Figuren beispielhaft erläutert. Von denkung come, with only one of the two above exercise explained by way of example with reference to the figures. Of the
ύ Einzugsrollen im Eingriff mit der Schlauchbahn ist Die Figuren zeigt. ύ Feed rollers in engagement with the hose web is shown in the figures.
\ Nockenscheiben wirken von unten her gegen von oben 55 F i g. 1 einen senkrecht zur Längsachse der Einzugs- \ Cams act from below against from above 55 F i g. 1 a perpendicular to the longitudinal axis of the feed
\s her durch Druckfedern belastete Lagersteine der obe- walzen geführten Schnitt durch die beispielhafte Vor- \ s bearing jewels of the top rollers, which are loaded by compression springs, through the exemplary
ren Einzugswalzen. richtung;ren feed rollers. direction;
U In der DE-AS 11 12 387 ist bereits darauf hingewie- F i g. 2 einen längs der Linie 5-5 in F i g. 1 geführtenU In DE-AS 11 12 387 it is already pointed out F i g. Figure 2 shows one taken along line 5-5 in Figure 2. 1 guided
sen, daß es bereits zum Stand der Technik gehört bei Schnitt durch die beispielhafte Vorrichtung, und
: Vorrichtungen mit Einzugswalzen obere Einzugswalzen 60 F i g. 3 eine zum Teil im Schnitt dargestellte Detailanaus
verschiedenen Gründen abhebbar zu gestalten, ins- sieht der beispielhaften Vorrichtung, welche die Konbesondere
zum Einziehen einer Schlauchbahn während struktion des Mechanismus zum Verändern des Anstillstehender
Maschine. preßdruckes der Einzugswalzen zeigt.sen that it already belongs to the state of the art when sectioned through the exemplary device, and
: Devices with feed rollers upper feed rollers 60 F i g. 3 to design a detail, partly shown in section, so that it can be lifted off for various reasons, in particular the exemplary device, which is used in particular for pulling in a hose web during construction of the mechanism for changing the machine when the machine is at a standstill. shows the pressing pressure of the feed rollers.
Aus der US-PS 27 29 447 ist eine Vorrichtung mit Die druckluftbelasteten Einzugswalzen, bestehend Einzugswalzen bekannt, die ähnlich wie die Vorrichtung 65 aus einer oberen Einzugswalze 446 und einer unteren nach der DE-AS 11 12 387 zwei Paare von Einzugswal- Einzugswalze 454, sind in den F i g. 1 und 2 gezeigt. Die zen aufweist, von denen die unteren Einzugswalzen mit Enden der sich zwischen den vorrichtungsfesten Seitenunterschiedlichen Drehzahlen laufen und die oberen teilen 52 des Rahmens erstreckenden oberen EinzuEs- From US-PS 27 29 447 is a device with the compressed air loaded feed rollers, consisting Infeed rollers known, which are similar to the device 65 from an upper feed roller 446 and a lower according to DE-AS 11 12 387 two pairs of intake roller intake roller 454 are shown in FIGS. 1 and 2 shown. the has zen, of which the lower feed rollers run with ends of the different speeds between the device-fixed sides and the upper parts 52 of the frame extending upper feed
3 43 4
walze 446 sind in Lagern 448 aufgenommen, von denen abwärts gerichtete Kraft auf die Zapfen 480 ausüben, in der Fig.! nur eines dargestellt ist, die Lager 448 sind die die Kraft der Federn 492 überwindet Dadurch werin Lagerböcken 450 befestigt, die an den vorrichtungsfe- den die Lagerböcke um die Schraubbolzen 452 versten Seitenteilen 52 mittels Schraubbolzen 452 schwenkt und es entsteht ein Anpreßdruck zwischen schwenkbar angelenkt sind, wobei die Schraubbolzen 5 den Einzugswalzen 446 und 454. Die Stärke des Anpreß- 452 als Drehzapfen für die Lagerböcke 450 wirken. Die druckes läßt sich regulieren, da der Druck des Arbeitsuntere Einzugswalze 454 ist in Lagern 456 in den Seiten- mittels, das die Pneumatikzylinder 434 beaufschlagt, teilen 52 drehbar aufgenommen und hat eine aus der vom Bedienungspersonal ohne Schwierigkeiten regu-F i g. 2 rechts hervorgehende Verlängerung 458, auf der liert werden kann. Wenn der Anpreßdruck für den Fall eine Riemenscheibe 460 sitzt, um welche ein Riemen 462 10 ausgeglichen werden soll, daß mit Zwickeln versehene geführt ist Ein auf der unteren Einzugswalze 454 an Beutel hergestellt werden, kann der Druck des Druckeiner Stelle in der Nähe des rechten Seitenteils 52 sit- fluids an jedem der beiden Pneumatikzylinder 484 eizendes und aus der F i g. 2 hervorgehendes Zahnrad 464 gens eingestellt werden und die obere Einzugswalze 446 kämmt mit einem Zwischenzahnrad 465, das seinerseits kann eine leichte Abweichung von der Parallelität zur mit einem auf einer Schließrolle des Querschneid- und 15 unteren Einzugswalze 454 annehmen, -schweißmechariismus 104 verkeilten Zahnrad 166 im Sobald die Vorrichtung gestoppt wird, kann der Steu-roller 446 are received in bearings 448 , of which exert downward force on the pins 480 , in the figure! only one is shown, the bearings 448 are which are the force of the springs 492 overcomes This Werin bearing blocks 450 attached to the pivots at the vorrichtungsfe- to the bearing blocks by the bolts 452 versten side parts 52 by means of bolts 452 and creates a contact pressure between the pivoted , whereby the screw bolts 5 the feed rollers 446 and 454. The strength of the pressure 452 act as pivot pins for the bearing blocks 450 . The pressure can be regulated, since the pressure of the working lower feed roller 454 is rotatably received in bearings 456 in the side means, which act on the pneumatic cylinder 434 , parts 52 and has one of the controls easily regulated by the operating staff. 2 extension 458 on the right, which can be lied on. If the contact pressure is seated on a pulley 460 , around which a belt 462 10 is to be balanced, that gusseted bags are run on the lower feed roller 454 , the pressure of the pressure can be applied to a point near the right side panel 52 sit fluids on each of the two pneumatic cylinders 484 and from FIG. 2 emerging gear 464 and the upper feed roller 446 meshes with an intermediate gear 465, which in turn can assume a slight deviation from the parallelism to a gear 166 wedged on a closing roller of the cross cutting and 15 lower feed roller 454 , -schweißmechariismus 104 As soon as the device is stopped, the control
Eingriff ist Auf diese Weise wird die Schließrolle 106 in erkreis ohne weiteres so erregt werden, daß er die Leider gleichen Richtung wie die untere Eini.dgswalze 454 tungen 486 zum Entlüften der Pneumatikzylinder 484 gedreht. Beide Einzugswalzen haben Nuten 468, in de- mit der Atmosphäre verbindet Unter dieser Bedingung nen ein oberer bzw. ein unterer Satz von Abstreiffin- 20 üben die Druckfedern 492 eine nach oben gerichtete gern 86 bzw. 88 angeordnet sind. Die oberen Abstreif- Kraft auf die Zapfen 480 aus, durch die die Lagerböcke finger 86 sind einzeln an einer rechteckigen Querstange 450 in F i g. 1 entgegen dem Uhrzeigersinn um die 90 festgeschraubt, deren beide Enden über Ausleger 476 Schraubbolzen 452 verschwenkt werden. Somit sind die an den Lagerböcken 450 befestigt sind. Die unteren Ab- Einzugswalzen 446 und 454 so steuerbar, daß sie einen streiffinger 88 sind an einer Querstange 91 befestigt, die 25 bestimmten Anpreßdruck ausüben, der einfach aufgeebenfalls mittels gleicher Ausleger 478 an den Seitentei- hoben, wenn die Vorrichtung stoppt. Durch Anlegen len 52 fixiert ist. von unterschiedlichen Drucken an den beiden Pneuma-In this way, the locking roller 106 is easily excited in a circle so that it rotates in the same direction as the lower Eini.dgswalze 454 lines 486 for venting the pneumatic cylinder 484 . Both draw-in rollers have grooves 468 in which, under this condition, an upper and a lower set of scraper pins respectively, the compression springs 492 are arranged in an upwardly directed 86 and 88 , respectively. The upper stripping force on the pin 480 , through which the bearing blocks fingers 86 are individually attached to a rectangular crossbar 450 in FIG. 1 screwed in an anti-clockwise direction by 90 , both ends of which are pivoted via cantilevers 476 screw bolts 452. Thus, those are attached to the bearing blocks 450 . The lower take-off rollers 446 and 454 are controllable in such a way that they have a finger 88 attached to a crossbar 91, which exerts a certain pressure which is simply lifted up by means of the same extension arms 478 on the side parts when the device stops. By applying len 52 is fixed. of different pressures on the two pneumatic
An einer Stelle zwischen den Lagern 448 in den La- tikzylindern 484 laßt sich der Anpreßdruck bei der Progerbock 450 und dem Schraubbolzen 452 sind in den duktion von mit Zwickeln versehenen Beuteln abglei-Lagerbock nach außen wegstehende Zapfen 480 einge- 30 chen.At one point between the bearings 448 in the flexible cylinders 484 , the contact pressure can be applied to the prograster bracket 450 and the screw bolt 452 is provided with pins 480 protruding outward in the production of gusseted bags.
schraubt die nach F i g. 2 durch eine etwa kreuzförmige screws the according to F i g. 2 by an approximately cruciform
öffnung 482 in dem jeweiligen Seitenteil 52 ragen. Auf Hierzu 3 Blatt Zeichnungenopening 482 in the respective side part 52 protrude. On this 3 sheets of drawings
dem oberen Ende der Seitenteile 52 sind Pneumatikzy- the upper end of the side parts 52 are pneumatic cylinders
linder 484 befestigt, derart, daß eine Ebene durch die
Achse der Pneumatikzylinder 484 auch die Achse von 35
Zapfen 480 enthält Die Pneumatikzylinder 484 sind vorzugsweise
einfach wirkende Zylinder, bei denen nur das
Kopfende mit Druckfluid beaufschlagt wird. Jeder
Pneumaiikzylindler 484 hat eine vorstehende Kolbenstange
490, die mit der Oberseite der Zapfen 480 in 40
Kontakt ist, während die Unterseite der Zapfen 480 mit
Druckfedern in Kontakt steht, die in einem Zweig 494
der kreuzförmigen öffnung 482 angeordnet sind. Aufgrund dieser Konstruktion kann die Wechselwirkung
der Pneumatikzylinder 484 und der Federn 492 den An- 45
preßdruck zwischen den Einzugswalzen 446 und 454
steuern, da ja die obere Einzugswalze 446 in den Lagerböcken 450 drehbar gelagert ist, die ihrerseits über die
Schraubbolzen 452 an den vorrichtungsfesten Seitenteilen angelenkt sind. Nach Wunsch kann also auch ein 50
unterschiedlicher Druck an den beiden Enden der oberen Einzugswalzen 446 angelegt werden. Selbstverständlich
sind übliche Steuerelemente zur Regulierung
der Druckfluidzufuhr zu den Zylindern 484 vorgesehen.linder 484 fixed so that a plane through the
The axis of the pneumatic cylinder 484 is also the axis of 35
Pin 480 contains Pneumatic cylinders 484 are preferably single-acting cylinders that only use the
Pressure fluid is applied to the head end. Everyone
Pneumatic cylinder 484 has a protruding piston rod 490 that mates with the top of pins 480 in FIG. 40
Contact is while the bottom of the peg 480 is with
Compression springs in contact in a branch 494
the cross-shaped opening 482 are arranged. Because of this construction, the interaction
the pneumatic cylinder 484 and the springs 492 to 45
pressure between the feed rollers 446 and 454
control, since the upper draw-in roller 446 is rotatably mounted in the bearing blocks 450 , which in turn via the
Screw bolts 452 are hinged to the side parts fixed to the device. If desired, a 50
different pressures can be applied to the two ends of the upper feed rollers 446 . It goes without saying that there are common controls for regulation
the supply of pressurized fluid to the cylinders 484 is provided.
Die Einzugswalzen arbeiten wie folgt: Wenn eine 55
neue Folienrolle eingefädelt wird, sind die Leitungen
486 nicht mit Druckfluid beaufschlagt; folglich bleiben
die Federn 492 wirksam und drehen die Lagerböcke 450
in F i g. 1 entgegen dem Uhrzeigersinn. Dadurch wird
die obere Einzugswalze 446 angehoben und mit ihr die 60
Abstreiffinger 86, die ja auch von den Lagerböcken 450
gehalten werden. So kommt genug Zwischenraum zwischen den Einzugswalzen 446 und 454 zustande, um die
Folie bequem durchfädeln zu können. Zu Beginn des
normalen Betriebs der Vorrichtung schaltet ein Steuer- 65
kreis Ventil so, daß sie Druckfluid durch die Leitungen
in die Pneumatikzyiinder 484 schicken, worauf die
Kolbenstangen 490 ausgefahren werden und eine nachThe feed rollers work as follows: When a 55
new film roll is threaded, the lines are
486 not acted upon with pressure fluid; consequently stay
the springs 492 operate and rotate the pedestals 450
in Fig. 1 counterclockwise. This will
the upper feed roller 446 is raised and with it the 60
Stripping fingers 86, which are also from the bearing blocks 450
being held. This creates enough space between the feed rollers 446 and 454 to allow the
To be able to thread the foil comfortably. At the beginning of
normal operation of the device activates control 65
circle valve so that it allows pressurized fluid through the lines
to the pneumatic cylinder 484 , whereupon the
Piston rods 490 are extended and one after
Claims (2)
454) nach unten gedrückt werden, und bei stehenden 25 Diese Aufgabe wird gemäß dem kennzeichnenden Einzugswalzen (446, 454) die Druckfedern (492) Teil des Patentanspruchs 1 dadurch gelöst daß die Endurch Druckentlastung der Pneumatikzylinder (484) den der oberen Einzugswalze in Lagerböcken gelagert die Andruckkraft der oberen Einzugswalze (446) auf sind, die in vorrichtungsfesten Seitenteilen vertikal verdie Folienbahn mindestens aufheben. schiebbar geführt sind und gegen die Wirkung vonInfeed roller (446) mounted in bearing blocks (450) is the object of the present invention. one is provided, which can be displaced vertically in side parts (52) fixed to the device according to the preamble of patent claim 1 and to be further developed against the effect that with her bag with the action of compression springs (492) with the help of high-frequency pneumatics can be produced that do not receive any Drucksteltikzylindern (484) with running feed rollers (446, len by stationary feed rollers.
454) are pressed down, and at standing 25 This object is achieved according to the characterizing feed rollers (446, 454) the compression springs (492) part of claim 1 in that the end by pressure relief of the pneumatic cylinder (484) that of the upper feed roller is stored in bearing blocks the pressure of the upper draw-in roller (446) is on, which vertically at least cancel out the film web in the side parts fixed to the device. are slidably guided and against the action of
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76004868A | 1968-09-16 | 1968-09-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1966161A1 DE1966161A1 (en) | 1971-09-23 |
| DE1966161C2 true DE1966161C2 (en) | 1985-12-05 |
Family
ID=25057926
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691966160 Pending DE1966160A1 (en) | 1968-09-16 | 1969-08-20 | Machine for the production of bags from a thermoplastic film web |
| DE1942410A Expired DE1942410C3 (en) | 1968-09-16 | 1969-08-20 | Machine for the production of bags from a thermoplastic film web |
| DE1966161A Expired DE1966161C2 (en) | 1968-09-16 | 1969-08-20 | Device for manufacturing bags from a sheet of film folded on itself around a longitudinal edge |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691966160 Pending DE1966160A1 (en) | 1968-09-16 | 1969-08-20 | Machine for the production of bags from a thermoplastic film web |
| DE1942410A Expired DE1942410C3 (en) | 1968-09-16 | 1969-08-20 | Machine for the production of bags from a thermoplastic film web |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3663338A (en) |
| JP (1) | JPS4940670B1 (en) |
| AU (1) | AU463027A (en) |
| BE (1) | BE738879A (en) |
| DE (3) | DE1966160A1 (en) |
| ES (3) | ES369771A1 (en) |
| FR (1) | FR2018149A1 (en) |
| GB (4) | GB1279443A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3608625A1 (en) * | 1986-03-14 | 1987-09-17 | Windmoeller & Hoelscher | DEVICE FOR THE STEP-BY-STEP PREPARATION OF FILM COATINGS WITH AN INTERMITTENTLY DRIVED PREFERRED ROLLER PAIR |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3541929A (en) * | 1968-12-30 | 1970-11-24 | Fmc Corp | Bag machines |
| US3720141A (en) * | 1970-04-08 | 1973-03-13 | Fmc Corp | Apparatus for making thermoplastic handle bags |
| DE2143512C2 (en) * | 1971-08-31 | 1981-12-24 | INIMEX, Campione d'Italia | Method and device for cut-off welding of continuously transported plastic webs |
| US4101369A (en) * | 1972-03-31 | 1978-07-18 | G. T. Schjeldahl Company | Bottom seal cut-off |
| US3884129A (en) * | 1973-04-10 | 1975-05-20 | Schjeldahl Co G T | Intermittent web drive mechanism employing unidirectional clutches |
| US3853664A (en) * | 1973-08-01 | 1974-12-10 | Square Bag It Corp | Bag making machine and method |
| ZA739438B (en) * | 1973-12-12 | 1975-03-26 | T Hutt | Method of making bags from synthetic plastic film and apparatus therefor |
| SE399692B (en) * | 1975-02-26 | 1978-02-27 | Flodins Industri Ab | MACHINE FOR MANUFACTURE AND DISPOSAL OF SHEET SHAPES, AS PLASTIC POCKETS OR SIMILAR |
| DE2514600C2 (en) * | 1975-04-03 | 1986-09-11 | Stiegler GmbH Maschinenfabrik, 7062 Rudersberg | Movement compensation device for packaging machines, in particular bag manufacturing machines |
| DE2556968C2 (en) * | 1975-12-18 | 1985-04-18 | Hans 5216 Niederkassel Lehmacher | Machine for the production of bags, sacks or similar packaging from a thermoplastic plastic film web |
| US4192705A (en) * | 1977-08-15 | 1980-03-11 | Fmc Corporation | Indexing roll drive system |
| DE2755860C2 (en) * | 1977-12-15 | 1979-09-20 | Stiegler, Karl-Heinz, 7000 Stuttgart | Machine for producing weld seams on a thermoplastic film web |
| GB2059630A (en) * | 1979-07-11 | 1981-04-23 | Sulzer Ag | Machine drive systems |
| US4261779A (en) * | 1979-07-25 | 1981-04-14 | Fmc Corporation | Indexing roll drive system |
| US4451249A (en) * | 1980-09-26 | 1984-05-29 | Debin Rene F | Manufacture of thermoplastic bags |
| US4396379A (en) * | 1980-10-16 | 1983-08-02 | Fmc Corporation | Thermoplastic bag stacking apparatus |
| DE3174076D1 (en) * | 1981-10-26 | 1986-04-17 | Fmc Corp | Handle bag making apparatus |
| DE3327637A1 (en) * | 1983-07-30 | 1985-02-14 | Franz Bendig | MACHINE FOR CUTTING AND / OR WELDING TRACKS OF THERMOPLASTIC PLASTIC FILM |
| BE899260A (en) * | 1984-03-27 | 1984-07-16 | Fmc Corp | MACHINE FOR MAKING BAGS OF THERMOPLASTIC MATERIAL. |
| US5049117A (en) * | 1989-07-25 | 1991-09-17 | Sterling Envelope Corporation | Dual-envelope making machine and method of using |
| US5830117A (en) * | 1995-09-05 | 1998-11-03 | Fmc Corporation | Torque control for continuous motion bag machine |
| US20110207589A1 (en) * | 2010-02-24 | 2011-08-25 | Cmd Corporation | Pouch Machine With Sealer |
| ES2441465B1 (en) * | 2012-08-01 | 2015-02-03 | Mespack, Sl | BAND FOLDING DEVICE FOR FORMING AND PACKING FILLING MACHINE |
| DE102014014886A1 (en) | 2013-10-14 | 2015-04-16 | Lemo Maschinenbau Gmbh | Packaging plant with delay device and method |
| US11338538B2 (en) * | 2016-08-17 | 2022-05-24 | Les Emballages Trium Inc. | Process for manufacturing bags for packaging items, and bag produced therefrom |
| CN113136653B (en) * | 2021-03-12 | 2023-01-03 | 山东莱蔚特复合材料有限责任公司 | A glass fiber surface felt pasting device |
| EP4526237A1 (en) * | 2022-05-20 | 2025-03-26 | CMD Corporation | Bag making machines and methods thereof |
| CN116100862B (en) * | 2023-04-07 | 2025-08-01 | 浙江百豪机械有限公司 | Color printing bag tracking system and method for bag making machine |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US438528A (en) * | 1890-10-14 | Joseph l | ||
| US2508585A (en) * | 1947-01-31 | 1950-05-23 | Julian D Stone | Book joint creasing machine |
| US2729447A (en) * | 1952-12-04 | 1956-01-03 | Alvin F Groll | Two speed press feeder |
| US2707985A (en) * | 1952-12-12 | 1955-05-10 | Frederick C Binnall | Bag making machine |
| US2873968A (en) * | 1957-04-08 | 1959-02-17 | Samuel M Langston Co | Hydraulically loaded feed rolls for corrugated paper stock |
| US3053723A (en) * | 1958-05-29 | 1962-09-11 | Union Carbide Corp | Article fabricating apparatus and method |
| DE1112387B (en) * | 1958-07-05 | 1961-08-03 | Windmoeller & Hoelscher | Device for pulling the tube sheet forward in tube drawing machines for the manufacture of bags |
| BE620662A (en) * | 1961-07-25 | 1900-01-01 | ||
| US3274043A (en) * | 1962-01-29 | 1966-09-20 | Eureka Carlisle Company | Labeling machine |
| DE1241247B (en) * | 1963-02-04 | 1967-05-24 | Zerand Corp | Drive for a device for the intermittent conveying of a continuously fed web of cardboard, cardboard or the like in a cutting or folding press |
| US3447987A (en) * | 1966-02-02 | 1969-06-03 | Quentin H Williams | Method and apparatus for sealing bags |
| DE1511062B1 (en) * | 1966-08-18 | 1970-09-03 | Peters Maschf Werner H K | CORRUGATED CARDBOARD MACHINE |
| US3494526A (en) * | 1967-09-29 | 1970-02-10 | Union Carbide Corp | Adjustable draw stroke machine |
-
1968
- 1968-09-16 US US760048A patent/US3663338A/en not_active Expired - Lifetime
-
1969
- 1969-07-22 ES ES369771A patent/ES369771A1/en not_active Expired
- 1969-08-20 DE DE19691966160 patent/DE1966160A1/en active Pending
- 1969-08-20 DE DE1942410A patent/DE1942410C3/en not_active Expired
- 1969-08-20 DE DE1966161A patent/DE1966161C2/en not_active Expired
- 1969-08-27 FR FR6929319A patent/FR2018149A1/fr active Pending
- 1969-08-28 JP JP44067664A patent/JPS4940670B1/ja active Pending
- 1969-09-03 AU AU463027A patent/AU463027A/xx not_active Expired
- 1969-09-11 GB GB07763/71A patent/GB1279443A/en not_active Expired
- 1969-09-11 GB GB07764/71A patent/GB1279444A/en not_active Expired
- 1969-09-11 GB GB07765/71A patent/GB1279445A/en not_active Expired
- 1969-09-11 GB GB44793/69A patent/GB1279441A/en not_active Expired
- 1969-09-15 BE BE738879D patent/BE738879A/xx not_active IP Right Cessation
-
1971
- 1971-07-29 ES ES393742A patent/ES393742A1/en not_active Expired
- 1971-07-29 ES ES393743A patent/ES393743A1/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3608625A1 (en) * | 1986-03-14 | 1987-09-17 | Windmoeller & Hoelscher | DEVICE FOR THE STEP-BY-STEP PREPARATION OF FILM COATINGS WITH AN INTERMITTENTLY DRIVED PREFERRED ROLLER PAIR |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1279441A (en) | 1972-06-28 |
| DE1966160A1 (en) | 1971-09-23 |
| GB1279443A (en) | 1972-06-28 |
| DE1942410C3 (en) | 1979-09-13 |
| ES369771A1 (en) | 1971-12-01 |
| GB1279445A (en) | 1972-06-28 |
| AU463027A (en) | 1971-03-04 |
| GB1279444A (en) | 1972-06-28 |
| DE1942410A1 (en) | 1970-03-26 |
| JPS4940670B1 (en) | 1974-11-05 |
| ES393743A1 (en) | 1973-08-16 |
| DE1966161A1 (en) | 1971-09-23 |
| DE1966160B2 (en) | 1974-05-09 |
| US3663338A (en) | 1972-05-16 |
| FR2018149A1 (en) | 1970-05-29 |
| BE738879A (en) | 1970-02-16 |
| DE1942410B2 (en) | 1972-11-09 |
| ES393742A1 (en) | 1973-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8125 | Change of the main classification |
Ipc: B31B 37/02 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |