EP0623457A1 - Magasin pour boîtes pliantes dans une machine d'emballage avec un conduit de magasin réglable - Google Patents

Magasin pour boîtes pliantes dans une machine d'emballage avec un conduit de magasin réglable Download PDF

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Publication number
EP0623457A1
EP0623457A1 EP94103042A EP94103042A EP0623457A1 EP 0623457 A1 EP0623457 A1 EP 0623457A1 EP 94103042 A EP94103042 A EP 94103042A EP 94103042 A EP94103042 A EP 94103042A EP 0623457 A1 EP0623457 A1 EP 0623457A1
Authority
EP
European Patent Office
Prior art keywords
shaft
magazine
gripper
base body
adjustment
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
EP94103042A
Other languages
German (de)
English (en)
Other versions
EP0623457B1 (fr
Inventor
Fritz Fochler
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.)
Uhlmann Pac Systeme GmbH and Co KG
Original Assignee
Uhlmann Pac Systeme GmbH and Co 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 Uhlmann Pac Systeme GmbH and Co KG filed Critical Uhlmann Pac Systeme GmbH and Co KG
Publication of EP0623457A1 publication Critical patent/EP0623457A1/fr
Application granted granted Critical
Publication of EP0623457B1 publication Critical patent/EP0623457B1/fr
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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14—Feeding individual bags or carton blanks from piles or magazines
    • B65B43/16—Feeding individual bags or carton blanks from piles or magazines by grippers
    • B65B43/18—Feeding individual bags or carton blanks from piles or magazines by grippers by suction-operated grippers
    • B65B43/185—Feeding individual bags or carton blanks from piles or magazines by grippers by suction-operated grippers specially adapted for carton blanks
    • 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
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or 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
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/30—Construction of rigid or semi-rigid containers collapsible; temporarily collapsed during manufacturing
    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/76—Opening and distending flattened articles
    • B31B50/80—Pneumatically
    • B31B50/804—Pneumatically using two or more suction devices on a rotating element

Definitions

  • the invention relates to a magazine device for folding boxes or the like.
  • the gripper rotating in one plane to adapt to the box format in the Circumferential plane is adjustable in a direction that includes an angle alpha with the imaginary intersection line between the surface of the folding box at the mouth of the shaft and the circulating plane.
  • the magazine shaft can be displaced parallel to the surface of the folding box at the mouth of the shaft. This is intended to set the folding edge of the folding boxes to a dimension determined by the position of the gripper. If the gripper is adjusted in the vertical direction, the movement of the magazine shaft parallel to the surface of the folding boxes is not sufficient to ensure that the gripper contacts the foremost folding box. A further displacement of the magazine shaft is necessary, which takes place in a direction that is perpendicular to the surface of the folding box located at the mouth of the shaft.
  • the object on which the invention is based is to design a magazine device of the type mentioned at the outset in such a way that, in order to adapt to the position of the gripper, no superimposition of adjustments of the magazine shaft to be carried out independently is necessary.
  • the magazine shaft is adjustable and adjustable parallel to itself in a direction that is perpendicular to the bisector of the angle alpha in the plane of revolution.
  • the advantage of the magazine device according to the invention is that to adjust the position of the magazine shaft and the position of the gripper, only a single linear movement has to be carried out, for which only one drive is required. It is particularly advantageous if the gripper is adjusted by one to one standardized distance, the magazine shaft is adjusted by a distance corresponding to the quotient from the sine of the angle alpha and the cosine of the half angle alpha, the gripper and magazine shaft being adjusted in each case with a sense of direction in which the gripper and the magazine shaft are simultaneously on the imaginary intersection between the two adjustment directions from the gripper and from the magazine shaft or away from the intersection. With such coordinated adjustment paths of the magazine shaft and the gripper, it is ensured that the foremost folding box in the magazine shaft is arranged in the correct position relative to the gripper and can be safely taken over by the gripper.
  • the magazine shaft has a delivery shaft and a feed device with a substantially horizontal guide direction and is held in an oblique guide on a stationary base body and a drive is provided between the base body and the magazine shaft.
  • the drive is expediently formed by a threaded spindle running axially immovably on the base body in the direction of adjustment of the magazine shaft and a spindle nut arranged on the magazine shaft.
  • the base body is arranged on one side of the magazine shaft, and if a bevel gear is further arranged at one end of the threaded spindle, that on the by the adjustment direction of the magazine shaft and the feed direction of the Magazine shaft excellent plane has a vertical shaft piece which is rotatably and axially immovably mounted on the base body.
  • a second shaft piece is expediently rotatably and axially immovably mounted on the magazine shaft, on the side opposite the base body, which is flexibly coupled to the other shaft piece by means of a connecting shaft with regard to the connecting length and mutual displacement.
  • the connecting shaft has two universal joints that couple the two shaft pieces to the connecting shaft, the connecting shaft on one universal joint as a hollow shaft with a longitudinally extending slot in the shaft jacket and on the other universal joint as a shaft rod with a rotationally locking and axial in the slot of the hollow shaft slidably guided pin is formed.
  • two mutually parallel inclined guides are arranged on the base body at a distance in the guide direction. It is also advantageous if the base body can be adjusted in height on guide columns and in the direction of the longitudinal axis of the magazine shaft.
  • the magazine device shown in the drawing is intended for the transport of folding boxes and their removal from a magazine shaft 1.
  • the magazine shaft 1 is limited in cross section by two lower shaft strips 8, 9 and two side rails 10, 11.
  • the folding boxes are stacked upright next to each other during transport and removal.
  • the foremost folding box 2 in front of the shaft mouth 5 is taken from the magazine shaft 1 by a gripper 3, which can be formed in particular as a suction head.
  • the gripper 3 rotates in a plane that runs in or parallel to the drawing plane in FIG. 1.
  • the movement of the gripper 3 can be controlled by a planetary gear; the hypocycloid path of the gripper 3 generated with this planetary gear is shown with the three reversal points for two positions of the gripper 3 in FIG. 1.
  • other self-contained paths for removing the folding boxes are also possible.
  • the gripper 3 is adjustable in order to adapt to the height of the folding box format in the circumferential plane in a direction 4 which, with the imaginary intersection line between the surface of the folding box 2 at the shaft mouth 5 and the circumferential plane, encloses an angle alpha. Since the height of the gripper 3 would protrude behind the surface of the foremost folding box 2 if the position of the magazine slot 1 was unchanged, it is necessary to adapt the position of the magazine slot 1. Therefore, the magazine shaft 1 is adjustable and adjustable parallel to itself in a direction 6 which is perpendicular to the bisector 7 of the angle alpha in the plane of revolution.
  • the adjustment direction 6 of the magazine shaft 1 includes an angle with the horizontal, the size of which corresponds to half the angle alpha.
  • the gripper 3 and magazine shaft 1 are adjusted with a sense of direction, in which the gripper 3 and the magazine shaft 1 simultaneously lead to the imaginary intersection 47 between the two adjustment directions 4, 6 of the gripper 3 and magazine shaft 1 or from the intersection 47 be led away.
  • the magazine shaft 1 has a delivery shaft 48 and a feed device 49, the feed device 49 being aligned with a substantially horizontal guide direction 12.
  • the Folded boxes conveyed to the delivery chute 48 by means of a scale belt 69. If the adjustment of the gripper 3 has only one component in the vertical direction, the delivery chute 48 is inclined with the angle alpha against the horizontal feed device 49.
  • the feed device 49 itself is held in an inclined guide 50 on a stationary base body 51.
  • the base body 51 is height-adjustable on guide columns 64 and adjustable in the direction of the longitudinal axis of the magazine shaft 1.
  • a drive is provided between the base body 51 and the magazine shaft 1, which is formed by a threaded spindle 52 which runs on the base body 51 in the adjustment direction 6 of the magazine shaft 1 and is axially immovably mounted and a spindle nut 53 arranged on the magazine shaft 1.
  • the base body 51 is arranged on one side of the magazine shaft 1. So that the adjustment of the magazine shaft 1 can be carried out in a user-friendly manner from the front of the magazine device, a bevel gear 54 is arranged at one end of the threaded spindle 52, which is arranged vertically on the plane distinguished by the adjustment direction 6 of the magazine shaft 1 and the feed direction 12 of the magazine shaft 1 Has shaft piece 55 which is axially immovably mounted on the base body 51.
  • a second shaft piece 56 is rotatably and axially immovably mounted, which is coupled to the other shaft piece 55 by a connecting shaft 57 which compensates for the mutual displacement of the Shaft pieces 55.56 are articulated and adjustable in length.
  • the connecting shaft 57 is formed on a cardan joint 58 as a hollow shaft with a longitudinally extending slot 60 in the shaft jacket 61.
  • the connecting shaft 57 is designed as a shaft rod 63 guided in the hollow shaft with a pin 62 guided in the slot 60 of the hollow shaft in a rotationally locking and axially displaceable manner.
  • a slot nut 65 is provided on the stationary base body 51, which engages in a groove 66 arranged on the magazine shaft 1.
  • the groove 66 with the sliding block 65 guided therein can be protected against the ingress of dirt by a cover 68. If the threaded spindle 52 is rotated by the shaft piece 55 of the bevel gear 54, the magazine shaft 1 is adjusted in the inclined guide 50 into the position denoted by 1 ′ by means of the spindle nut 53 attached to it.
  • a second oblique guide 50 which is essentially identical to the first one, can be arranged on the base body 51 on the base body 51.
  • Elongated holes 67 are provided on the magazine shaft 1 so that the magazine shaft 1 can be adjusted relative to the base body 51 in the direction of the longitudinal axis of the magazine shaft 1.
  • the two side rails 10, 11 and one of the lower shaft strips 8 can be adjusted to the longitudinal direction of the magazine shaft 1.
  • the adjustable side rails 10, 11 are each connected to a drive spindle 15, 16 via counter-rotating screw drives 13, 14.
  • One of the drive spindles 15 is rotatably and axially non-displaceably connected to the adjustable lower shaft strip 8 and the two drive spindles 15, 16 are coupled to one another in a rotationally locking and axially displaceable manner relative to one another.
  • the drive spindles 15, 16 are held in two bearing cheeks 17, 18, which are arranged at a fixed distance from one another in the direction of the spindle.
  • One of the drive spindles 15 is designed as a hollow spindle at the end facing the other drive spindle 16.
  • the other, rod-shaped drive spindle 16 telescopes, a slot 19 'being arranged in the spindle wall 15' of the hollow spindle 19, in which a pin 16 'located on the rod is guided to produce the rotational connection.
  • a differential spindle 20 is also rotatably and axially immovable.
  • the differential spindle 20 has two threads 21, 22. Of these threads 21, 22, the second thread 22 has a pitch which is only half as large as the pitch of the first thread 21.
  • the first thread 21 is guided in a nut thread of the adjustable lower shaft strip 8, the second thread 22 in a nut thread of an upper thread arranged on one side of the magazine shaft 1 Manifold 23 having gallows 24.
  • the gallows 24 are guided by two guide rods 25, 26 held in the bearing cheeks 17, 18, which engage in bores 27, 28 of the gallows foot 29.
  • an axially immovable threaded spindle 30 is provided in the gallows 24, at one end of which a bevel gear 31 is arranged.
  • This bevel gear 31 has a shaft 32 oriented transversely to the longitudinal direction of the magazine shaft 1, the shaft 32 consisting of two shaft parts 33, 34 which are connected to one another in a rotationally locking manner and are axially displaceable relative to one another.
  • One of these two shaft parts 34 can be rotatably and axially immovably supported in the non-adjustable lower shaft strip 9 or a bearing cheek 18.
  • One of these shaft parts 34 is formed over part of the length as a hollow rod with a longitudinally extending recess 35 in the rod jacket and the other shaft part 33 as a solid rod with a pin 36 guided in the recess 35 of the hollow rod in a rotationally locking and axially displaceable manner.
  • a further drive spindle 39 for adjusting one of the side rails 10 and a spindle 4 for adjusting the adjustable lower shaft strip 8 are provided.
  • the spindle 40 is with the differential spindle 20 and the further drive spindle 39 with one of the Drive spindles 15, 16 coupled for the side rails 10.
  • the clutch is achieved in that on the differential spindle 20, one of the drive spindles 15, 16, the spindle 40 and the further drive spindle 39, gear wheels 41, 42, 43, 44 are arranged, through which the revolutions of one of the drive spindles 15, 16 on the other
  • the drive spindle 39 and the revolutions of the differential spindle 20 can each be transferred to the spindle 40 by means of a toothed belt 45, 46.
  • the procedure for adapting the magazine device to the height of the folding boxes is also described. If the magazine device is to be changed over from a certain folding box height to another, the upper shaft strip 23 must be adjusted so that the cross section of the delivery shaft 48 further corresponds to the folding box format.
  • the threaded spindle 30, which is there immovably and rotatably mounted is rotated in the gallows 24 and can be operated from the front of the magazine device by the bevel gear 31 and the shaft 32.
  • the direction of adjustment of the upper shaft strip 23 is denoted by 72 in FIG. 9. So that the foremost folding box 2 can be taken over by the gripper 3, an adjustment of the gripper 3 is necessary, which generally takes place exclusively in the vertical direction.
  • the gripper 3 is preferably set to a constant distance from a folding edge 71 of the folding box. Since the gripper 3 would then protrude behind the surface of the foremost folding shaft 2, the position of the magazine shaft 1 must be adapted to the new position of the gripper 3. In addition to a vertical component, it also requires when adjusting the magazine shaft 1 also a horizontal component, the two components having to be coordinated with one another in such a way that the gripper 3 can always grip and take over the foremost folding box 2 from the magazine shaft 1. In order to meet the latter criterion, the magazine shaft 1 is adjusted parallel to itself in a direction 6 which is perpendicular to the bisector 7 of the angle alpha in the plane of revolution.
  • the magazine shaft 1 is adjusted by a distance corresponding to the quotient of the sine of the angle alpha and the cosine of the half angle alpha.
  • 9 shows the position of the gripper 3 for different folding box lengths.
  • the position of the lower shaft strips 8, 9 and the upper shaft strip 23 is shown as an example for the shortest folding box height shown, the lower shaft strips 8, 9 belonging to the other folding box heights are only indicated.
  • the positions of the magazine shaft 1 belonging to different folding box heights are set by, starting from the intersection 47 of the two adjustment directions 4, 6 for a folding box of zero height, the magazine shaft 1 is adjusted with increasing folding box height along the direction 6 lying perpendicular to the bisector 7 in the circumferential plane.
  • the transmission ratio of the bevel gear 54 and the pitch of the threaded spindle 52 of a full revolution of the shaft pieces 55, 56 of an adjustment of the magazine shaft can assign a distance that the distance traveled Distance of the gripper 3 in its adjustment direction 4 corresponds.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Making Paper Articles (AREA)
EP94103042A 1993-05-04 1994-03-01 Magasin pour boîtes pliantes dans une machine d'emballage avec un conduit de magasin réglable Expired - Lifetime EP0623457B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4314696A DE4314696C2 (de) 1993-05-04 1993-05-04 Magazinvorrichtung für Faltschachteln bei Verpackungsmaschinen mit verstellbarem Magazinschacht
DE4314696 1993-05-04

Publications (2)

Publication Number Publication Date
EP0623457A1 true EP0623457A1 (fr) 1994-11-09
EP0623457B1 EP0623457B1 (fr) 1996-11-20

Family

ID=6487130

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94103042A Expired - Lifetime EP0623457B1 (fr) 1993-05-04 1994-03-01 Magasin pour boîtes pliantes dans une machine d'emballage avec un conduit de magasin réglable

Country Status (3)

Country Link
US (1) US5456381A (fr)
EP (1) EP0623457B1 (fr)
DE (1) DE4314696C2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19849406A1 (de) 1998-10-27 2000-05-04 Iwk Verpackungstechnik Gmbh Faltschachtel-Magazin in einer Verpackungsmaschine
DE19901235B4 (de) 1999-01-14 2005-06-02 Seidel, Helmut Verpackungsmaschine
DE20000931U1 (de) 2000-01-20 2000-06-08 Emil Pester GmbH, 87787 Wolfertschwenden Magazin mit Entnahmebereich
DE10034140C2 (de) 2000-07-13 2003-01-02 Uhlmann Pac Systeme Gmbh & Co Magazinvorrichtung für Faltschachteln bei Verpackungsmaschinen
DE10111543C2 (de) * 2001-03-10 2003-03-06 Bosch Gmbh Robert Verpackungsmaschine
US7658054B2 (en) * 2007-11-08 2010-02-09 Khs Ag Cartoner machine and a method of operating same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2817518A (en) * 1956-01-25 1957-12-24 Gardner Board & Carton Co Blank feeding apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509681A (en) * 1966-08-25 1970-05-05 Fmc Corp Cartoning machine and method
US3776419A (en) * 1971-09-17 1973-12-04 Krafto Corp Container and rack for presenting articles
DE2923909A1 (de) * 1979-06-13 1980-12-18 Bosch Gmbh Robert Vorrichtung zum entnehmen von faltschachtelzuschnitten o.dgl. aus einem feststehenden magazin
DE3770397D1 (de) * 1986-10-08 1991-07-04 De La Rue Syst Einrichtung zur ein- und ausgabe von blaettern.
US5265760A (en) * 1992-06-03 1993-11-30 Eastman Kodak Company Individual film packet dispenser and tray dispenser

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2817518A (en) * 1956-01-25 1957-12-24 Gardner Board & Carton Co Blank feeding apparatus

Also Published As

Publication number Publication date
US5456381A (en) 1995-10-10
EP0623457B1 (fr) 1996-11-20
DE4314696A1 (de) 1994-11-10
DE4314696C2 (de) 1996-12-19

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