EP0590732B1 - Blank feeder - Google Patents

Blank feeder Download PDF

Info

Publication number
EP0590732B1
EP0590732B1 EP93202787A EP93202787A EP0590732B1 EP 0590732 B1 EP0590732 B1 EP 0590732B1 EP 93202787 A EP93202787 A EP 93202787A EP 93202787 A EP93202787 A EP 93202787A EP 0590732 B1 EP0590732 B1 EP 0590732B1
Authority
EP
European Patent Office
Prior art keywords
magazine
blank
feeder
blanks
magazines
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
EP93202787A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0590732A1 (en
Inventor
Michio C/O Shikoku Kakoki Co. Ltd. Ueda
Satoshi c/o Shikoku Kakoki Co. Ltd. Kume
Takashi C/O Shikoku Kakoki Co. Ltd. Arao
Shigenori c/o Shikoku Kakoki Co. Ltd. Tawa
Yasuji C/O Shikoku Kakoki Co. Ltd. Fujikawa
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.)
Shikoku Kakoki Co Ltd
Original Assignee
Shikoku Kakoki Co Ltd
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 Shikoku Kakoki Co Ltd filed Critical Shikoku Kakoki Co Ltd
Publication of EP0590732A1 publication Critical patent/EP0590732A1/en
Application granted granted Critical
Publication of EP0590732B1 publication Critical patent/EP0590732B1/en
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
    • B65B43/145—Feeding carton blanks from piles or magazines

Definitions

  • the present invention relates to a feeder for supplying a pair of opposite parallel blank bottom forming mandrel wheels with blanks for containers to be filled, for example, with milk, more particularly blanks which are folded flat so as to be unfoldable to a tubular form of square to rectangular cross section.
  • Such feeders comprise a pair of opposite feed units corresponding to a pair of mandrel wheels, respectively, and each including a magazine having at a front end thereof a forward outlet opposed to the corresponding mandrel wheel from behind for accommodating a multiplicity of blanks as closely arranged side by side from the front end rearward, the blanks being folded flat so as to unfoldable to a tubular form of square cross section, means for taking out the blanks within the magazine successively one by one from the foremost position through the outlet while unfolding the blank to the tubular form, and means for transporting the taken-out tubular blank to the corresponding mandrel wheel.
  • the magazines of the pair of feed units are so arranged that the center lines of the magazines with respect to the width thereof are parallel to each other when seen from above.
  • An object of the present invention is to provide a blank feeder wherein work for the magazines can be conducted efficiently.
  • the present invention provides a blank feeder which comprises a pair of right and left feed units corresponding to a pair of mandrel wheels, respectively, each of the feed units including a magazine having at a front end thereof a forward outlet opposed to the corresponding mandrel wheel from behind for accommodating a multiplicity of blanks as closely arranged side by side from the front end rearward, the blanks being folded flat so as to be unfoldable to a tubular form of square to rectangular cross section, means for taking out the blanks within the magazine successively one by one from the foremost position through the outlet 22 while unfolding the blank to the tubular form, and means for transporting the taken-out tubular blank B to the corresponding mandrel wheel, the feeder being characterized in that the magazines of the right and left feed units are so arranged that the center lines of the magazines with respect to the width thereof extend away from each other rearward approximately in a V-form when seen from above.
  • the magazines of the right and left feed units are so arranged that the center lines of the magazines with respect to the width thereof extend away from each other rearward approximately in a V-form when seen from above, so that the space between the two magazines is wider by an amount corresponding to the increase in the spacing therebetween which increases rearward than in the conventional arrangement of the opposite magazines extending in parallel to each other. This ensures facilitated work in the space between the magazines.
  • FIGS. 1 and 2 An embodiment of the invention will be described below with reference to the drawings.
  • front and rear are herein used based on FIGS. 1 and 2; the term front referes to the left-hand side of these drawings, and the term rear to the opposite side.
  • the terms “right” and “left” are used for the present device as it is seen from the rear toward the front.
  • FIGS. 1 and 2 show a container bottom forming section of a packaging machine and the neighboring portion thereof.
  • the packaging machine comprises a container conveyor 12 having two opposite transport paths 11 extending forward in parallel to each other, a rotary body 14 having right and left two mandrel wheels 13 disposed above the rear end of each transport path 11, and a blank feeder 16 having right and left two feed units 15 corresponding to the respective pairs of mandrel wheels 13 and arranged to the rear of the conveyor 12.
  • a container transfer device 17 is disposed between the rear end of the conveyor 12 and the rotary body 14.
  • the right and left units 15 of the blank feeder 16 has basically the same construction, so that the left unit 15 shown in FIG. 1 will be described.
  • the unit 15 comprises a magazine 23 disposed obliquely above and outwardly of a phantom rearward extension line of a bottom forming mandrel 21 which is brought to a halt at a feed station and which obliquely extends rearwardly downward.
  • the magazine 23 has an inward outlet 22 at the front end and accommodating a multiplicity of flat blanks B which are closely arranged side by side from the front end toward the rear end of the magazine 23.
  • the feed unit further comprises a transport arm 25 having vacuum cups 24 for taking out blanks B from the magazine 23 one by one and transporting each blank B onto the rearward extension line, guide rails 26 for guiding the blank B while it is being transported by the arm 25 so as to unfold the blank B from the flat form to a tubular form of square to rectangular cross section, a holder 27 for holding the blank B as unfolded to the tubular form and positioned on the extension line, and a loader 28 for fitting the blank B held by the holder 27 around the mandrel 21.
  • a transport arm 25 having vacuum cups 24 for taking out blanks B from the magazine 23 one by one and transporting each blank B onto the rearward extension line, guide rails 26 for guiding the blank B while it is being transported by the arm 25 so as to unfold the blank B from the flat form to a tubular form of square to rectangular cross section, a holder 27 for holding the blank B as unfolded to the tubular form and positioned on the extension line, and a loader 28 for fitting the blank B held
  • the magazine 23 of the left unit 15 comprises front and rear support frames 31, 32 spaced apart by a predetermined distance and each inverted L-shaped in cross section, a gate member 33 provided upright on the front support frame 31 and surrounding the outlet 22 along with the front support frame 31, a pair of opening claws 34 attached to the respective vertical bars of the gate member 33, a pair of bottom guides 35 which are bars parallel to and spaced apart from each other and interconnecting the support frames 31, 32 as attached to the top side of these frames, and L-shaped barlike side guides 36, 37 each extending between and attached to the rear support frame 32 and an intermediate portion (with respect to the height) of the vertical bar of the gate member 33.
  • a pair of horizontal guide rods 41 extend between and are attached to the front and rear support frames 31, 32 at the middle of height of these frames.
  • a slider 42 is supported by the guide rods 41.
  • a rodless cylinder 43 has a main body 44 fixed to the slider 42, and a cylinder tube 45 positioned between the two guide rods 41 and extending between and attached to the support frames 31, 32.
  • a pair of brackets 46 extend upright from opposite ends of the slider 42.
  • a pair of pressure pawls 47 are pivoted to each bracket 46. The pawls 47 are each biased rearward by an unillustrated spring.
  • a front pulley 51 is mounted directly on the bottom guides 35 and positioned close to the front ends thereof.
  • a rear pulley 52 is attached by take-ups 53 to the bottom guides 35 close to their rear ends.
  • An endless belt 54 is reeved around the front and rear pulleys 51, 52.
  • the right unit 15 has a magazine 61 shown in FIG. 5.
  • the magazine 61 comprises front and rear support frames 62, 63, gate member 64, bottom guides 65, side guides 66, 67, etc.
  • the magazine 23 of the left unit 15 has a center line L with respect to the width thereof which line L is parallel to a reference line S extending from the front rearward.
  • the magazine 23 of the left unit 15 has a center line L with respect to the width thereof.
  • the center line R intersects the reference line S at an angle ⁇ of greater than 10 deg so as to be a greater distance away from the line S rightward as it extends rearward.
  • the gate member 64 is orthogonal to the reference line S, the front and rear support frames 62, 63 are positioned on the center line R, and the bottom guides 65 and the side guides 66, 67 extend along the center line R.
  • Such modifications are acceptable insofar as the right and left magazines 61, 23 extend away from each other rearward in a V-form when seen from above as shown in FIG. 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
EP93202787A 1992-09-29 1993-09-29 Blank feeder Expired - Lifetime EP0590732B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP67780/92 1992-09-29
JP1992067780U JP2555462Y2 (ja) 1992-09-29 1992-09-29 ブランク供給装置

Publications (2)

Publication Number Publication Date
EP0590732A1 EP0590732A1 (en) 1994-04-06
EP0590732B1 true EP0590732B1 (en) 1997-04-16

Family

ID=13354820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93202787A Expired - Lifetime EP0590732B1 (en) 1992-09-29 1993-09-29 Blank feeder

Country Status (4)

Country Link
EP (1) EP0590732B1 (US20050026921A1-20050203-C00045.png)
JP (1) JP2555462Y2 (US20050026921A1-20050203-C00045.png)
DE (1) DE69309832T2 (US20050026921A1-20050203-C00045.png)
DK (1) DK0590732T3 (US20050026921A1-20050203-C00045.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000064739A2 (en) * 1999-04-23 2000-11-02 Tetra Laval Holdings & Finance, Sa Multiple magazine for a packaging machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305130A (en) * 1966-01-17 1967-02-21 Fmc Corp Carton accumulating apparatus
US4448008A (en) * 1981-11-09 1984-05-15 Liquipak International, Inc. Multiple mandrel carton erecting, filling and sealing machine with two-stage loading
DE3523727A1 (de) * 1985-07-03 1987-01-08 Hermann Krautter Vorrichtung zum aufrichten von schachtelzuschnitten, insbesondere fuer verpackungsketten
JP2739483B2 (ja) * 1988-08-24 1998-04-15 日本テトラパック株式会社 平らにされた筒状ブランクの立上げ方法とその装置
JPH0526806U (ja) * 1990-12-25 1993-04-06 四国化工機株式会社 ブランク供給装置

Also Published As

Publication number Publication date
JPH0629826U (ja) 1994-04-19
DE69309832D1 (de) 1997-05-22
JP2555462Y2 (ja) 1997-11-26
DK0590732T3 (US20050026921A1-20050203-C00045.png) 1997-05-12
DE69309832T2 (de) 1997-08-21
EP0590732A1 (en) 1994-04-06

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