EP0769365B1 - Blank feeder - Google Patents

Blank feeder Download PDF

Info

Publication number
EP0769365B1
EP0769365B1 EP96202864A EP96202864A EP0769365B1 EP 0769365 B1 EP0769365 B1 EP 0769365B1 EP 96202864 A EP96202864 A EP 96202864A EP 96202864 A EP96202864 A EP 96202864A EP 0769365 B1 EP0769365 B1 EP 0769365B1
Authority
EP
European Patent Office
Prior art keywords
blanks
magazine
blank
conveyor
detection signal
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
EP96202864A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0769365A3 (en
EP0769365A2 (en
Inventor
Satoshi Shikoku Kakoki Co. Ltd. of 10-1 Kume
Yoshinori Shikoku Kakoki Co. Ltd. of 10-1 Hata
Michio Shikoku Kakoki Co. Ltd. of 10-1 Ueda
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 EP0769365A2 publication Critical patent/EP0769365A2/en
Publication of EP0769365A3 publication Critical patent/EP0769365A3/en
Application granted granted Critical
Publication of EP0769365B1 publication Critical patent/EP0769365B1/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
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
    • B65H1/24—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device with means for relieving or controlling pressure of the pile
    • 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
    • B31B50/006—Controlling; Regulating; Measuring; Improving safety
    • 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
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/06—Feeding sheets or blanks from stacks
    • B31B50/062—Feeding sheets or blanks from stacks from the underside of a magazine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/40—Movement

Definitions

  • the invention relates to a blank feeder comprising:
  • Such a blank feeder could be derived from US-A-4596545.
  • Said known blank feeder is used for feeding blanks having the same height whereby the feeder has been provided with a sensor of the contact type.
  • the feeder is adapted to feed various kinds of blanks in different height
  • the sensor comprises the same number of non-contact type photoelectric tubes as the kind of blanks said photoelectric tubes being disposed at different levels in accordance with the heigth of various blanks so as to produce a non-detection signal or detection signal by detecting the displacement of an upper end of the blank at the terminal end of the transport path due to an alteration in the angle of the same blank in accordance with a variation in the quantity of blanks remaining within the magazine.
  • front and rear are to be used based on FIG. 1; the lefthand side of the drawing will be referred to as “front,” and the opposite side as “rear.”
  • the terms “right” and “left” will be used for the feeder as it is seen from behind toward the front.
  • one of radial mandrels 11 of an intermittently drivable rotary body for forming containers is halted at a blank feed station, as inclined obliquely rearwardly downward at an angle of 45 deg with a horizontal
  • the illustrated blank feeder is adapted to selectively feed to the mandrel 11 three kinds of blanks B which are different in height, i.e., tall containers, medium-sized containers and low containers.
  • the feeder comprises a magazine 13 disposed in the rear of the mandrel 11 and having a lower-end outlet 12 facing obliquely forwardly downward for accommodating a plurality of flat blanks B in the form of a stack, a conveyor 14 having a forwardly extending horizontal path of transport for transporting the blanks B to be accommodated in the magazine 13, with the front end of the transport path opposed to the interior of the magazine 13, a picker 15 so disposed as to be movable toward or away from the outlet 12 for taking out blanks B from the outlet 12 one by one while unfolding each blank B into a square or rectangular tube, a pair of guide rails 16 extending from a position opposed to the outlet 12 to a position close to the outer end of the mandrel 11 along the axial extension line of the mandrel 11 and inclined at the same angle as
  • the magazine 13 comprises a rectangular frame 21 elongated along the axial extension line, surrounding the outlet 12 and inclined at the same angle as the mandrel 11, i.e., at 45 deg when seen from one side.
  • the frame 21 comprises an upper frame member 22, right and left side frame members 25,24 and a movable member 26 movable inside the frame 21 longitudinally thereof.
  • the lower frame member 23 is provided on its lower face with a blank opening fixed nail 31 projecting inwardly of the frame 21 and has two lower guide rods 32 extending upright from its upper face.
  • the left frame member 24 is provided on the lower face thereof with four arcuate guide plates 33 for guiding the left edge of the blank B when the blank is unfolded, and has three guide rods 34 extending upright from the upper face thereof.
  • the right frame member 25 is provided on the lower face thereof with a blank support bar 35 having one end projecting inwardly of the frame 21, and has three right guide rods 36 extending upright from the upper face thereof.
  • the movable member 26 has a blank opening movable nail 37 on its lower face, an upper guide rod 38 on its upper face and a pusher arm 39 on a side face thereof.
  • FIG. 3 shows, as accommodated in the magazine 13, a tall blank B1 in dot-and-dash lines, a medium-sized blank B2 in a two-dot-and-dash line, and a low blank B3 in a three-dot-and-dash line.
  • the position of the movable member 26 is adjustable in accordance with the height of the blanks B1, B2, B3.
  • a photoelectric tube 41 for detecting the tall blank is attached to the upper end of the right guide rod 36 positioned first from above, and a photoelectric tube 42 for detecting the medium-sized blank and a photoelectric tube 43 for detecting the low blank are attached to the upper end of the right guide rod 36 positioned second.
  • the conveyor 14 comprises a frame 53 supported by the upper ends of front and rear posts 51, 52, a horizontal front driven shaft 54 and rear drive shaft 55 provided respectively at the front and rear ends of the frame 53 and extending transversely of the feeder, a pair of right and left front pulleys 56 fixed to the driven shaft 54, a pair of right and left rear pulleys 57 fixed to the drive shaft 55, a pair of right and left toothed belts 58 each reeved around the front pulley 56 and the rear pulley 57 at one of the right and left sides, right and left side guide plates 59 arranged respectively at the right and left sides of the pair of endless belts 58 externally thereof, and a pair of right and left arcuate bridge plates 61 extending from positions laterally outside the pair of front pulleys 56 to the upper ends of the respective lower guide rods 32.
  • a photoelectric tube 62 is disposed at the right side of front end of the right belt 58 for detection to discontinue picking, and a blank supply alarm photoelectric tube 63 is disposed to the rear of the tube 62.
  • a stopper 64 in the form of an L-shaped plate for preventing blanks from falling down is provided across the upper path of travel of the belts 58.
  • a driven pulley 71 is fixed to the right end of the drive shaft 55.
  • a motor 72 installed below the drive shaft 55 has an output shaft fixedly carrying a drive pulley 73.
  • a belt 74 is reeved around the driven pulley 71 and the drive pulley 73.
  • FIG. 5 shows that each of the belts 58 bears on a slip plate 81 when in the upper path of travel.
  • the blanks B within the magazine 13 move at an angle of 45 deg with respect to a horizontal, in other words, at an angle of 135 deg with the path of transport of the conveyor 14.
  • Tall blanks B1 are fed to the mandrel by the operation to be described next with reference to FIG. 6.
  • FIG. 6, diagram (a) shows that blanks B1 in a quantity slightly less than when filling up the magazine 13 are accommodated as stacked up within the magazine.
  • the uppermost blank B1 is positioned at a level lower than the photoelectric tube 41 for detecting tall blanks.
  • the stopper 64 bears on the lower end of the rearmost blank B1, and the upper end of the foremost blank B1 is supported by the uppermost blank B1 in the magazine 13.
  • the tube 41 for detecting the tall blank B1 produces a non-detection signal, whereupon the conveyor 14 is driven in response to the non-detection signal.
  • the conveyor 14 delivers the blanks B1 thereon successively from the foremost position. This raises the level of the uppermost blank B1 within the magazine 13. With this movement, the inclination of blanks B1 with respect to a horizontal gradually increases.
  • the tube 41 for detecting tall blanks produces a detection signal, in response to which the conveyor 14 is halted to interrupt the delivery of blanks B1 into the magazine 13.
  • the level of the uppermost blank B1 inside the magazine 13 descends, gradually decreasing the inclination of the blanks on the conveyor 14 with respect to the horizontal.
  • the tube 41 for tall blanks B produces a non-detection signal again, whereupon the conveyor 14 is driven in response to the signal to deliver blanks B1 into the magazine 13.
  • FIG. 6, (b) shows the blank supply alarm photoelectric tube 63 while it is producing a non-detection signal. It is desirable to replenish the conveyor 14 with new blanks when this signal is given. The replenishment is made manually by the worker by retracting the stopper 64 and placing blanks B1 in the emptied space.
  • the quantity of blanks B1 on the conveyor 14 further decreases to the state shown in FIG. 6, (c), whereupon the photoelectric tube 62 for detection to discontinue picking produces a non-detection signal.
  • the picker 15 is then forcibly brought out of operation to discontinue the operation of taking out blanks from the magazine 13.
  • FIG. 7, (a) shows an operation to feed medium-sized blanks B2.
  • the photoelectric tube 42 for detecting medium-sized blanks produces a non-detection signal and detection signal for controlling the conveyor 14 for driving or stopping.
  • FIG. 7, (b) shows an operation to feed low blanks B3 using the non-detection and detection signals of the photoelectric tube 43 for detecting low blanks.
  • the non-detection signal and detection signal of the tube 42 for detecting medium-sized blanks are used in feeding tall blanks B1 and when the state of FIG. 6, (a) is brought about, blanks B1 on the conveyor 14 are present in front of the tube 42 for the medium-sized blank, so that the tube 42 produces no non-detection signal.
  • the quantity of blanks B1 in the magazine 13 decreases from the state of FIG. 6, (a)
  • the medium-sized blank detection tube 42 produces a non-detection signal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Control Of Conveyors (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
EP96202864A 1995-10-18 1996-10-15 Blank feeder Expired - Lifetime EP0769365B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP26980895 1995-10-18
JP269808/95 1995-10-18
JP26980895A JP3538719B2 (ja) 1995-10-18 1995-10-18 ブランク供給装置

Publications (3)

Publication Number Publication Date
EP0769365A2 EP0769365A2 (en) 1997-04-23
EP0769365A3 EP0769365A3 (en) 1998-04-01
EP0769365B1 true EP0769365B1 (en) 2002-01-09

Family

ID=17477469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96202864A Expired - Lifetime EP0769365B1 (en) 1995-10-18 1996-10-15 Blank feeder

Country Status (4)

Country Link
EP (1) EP0769365B1 (ja)
JP (1) JP3538719B2 (ja)
DE (1) DE69618417T2 (ja)
DK (1) DK0769365T3 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2334483B1 (es) * 2008-04-09 2011-01-07 Los Pinos, Finca Agricola, S.L. Precargador de planchas troqueladas para formacion de cajas.
JP2010195471A (ja) * 2009-02-24 2010-09-09 Ishizuka Glass Co Ltd カートンピッキング装置
IT1398784B1 (it) * 2009-10-20 2013-03-18 Adriano Germano & C S N C Macchina formatrice di scatole dotata di magazzino stack di semilavorati perfezionato.
KR102523925B1 (ko) * 2020-12-09 2023-04-25 (주)메카테크시스템 카톤을 일정한 속도로 이송하는 카톤 이송장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006782C2 (de) * 1980-02-22 1985-12-19 Unilever N.V., Rotterdam Verfahren und Vorrichtung zum Vereinzeln von Bogen aus Karton o.dgl.
US4596545A (en) * 1982-07-06 1986-06-24 R. A. Jones & Co. Inc. Orbital feeder
JP2565229Y2 (ja) * 1992-06-05 1998-03-18 四国化工機株式会社 カートン供給装置

Also Published As

Publication number Publication date
DE69618417T2 (de) 2002-07-04
EP0769365A3 (en) 1998-04-01
DK0769365T3 (da) 2002-02-11
DE69618417D1 (de) 2002-02-14
JP3538719B2 (ja) 2004-06-14
JPH09110136A (ja) 1997-04-28
EP0769365A2 (en) 1997-04-23

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