EP0384255A2 - Machine pour retirer des lots prédéterminés d'objets plats, tels que des enveloppes ou des feuilles de papier, d'une rangée formée en continue - Google Patents

Machine pour retirer des lots prédéterminés d'objets plats, tels que des enveloppes ou des feuilles de papier, d'une rangée formée en continue Download PDF

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Publication number
EP0384255A2
EP0384255A2 EP90102661A EP90102661A EP0384255A2 EP 0384255 A2 EP0384255 A2 EP 0384255A2 EP 90102661 A EP90102661 A EP 90102661A EP 90102661 A EP90102661 A EP 90102661A EP 0384255 A2 EP0384255 A2 EP 0384255A2
Authority
EP
European Patent Office
Prior art keywords
row
elements
rod
conveyor
machine
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.)
Ceased
Application number
EP90102661A
Other languages
German (de)
English (en)
Other versions
EP0384255A3 (fr
Inventor
S.R.L. Costi
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.)
Costi Srl
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0384255A2 publication Critical patent/EP0384255A2/fr
Publication of EP0384255A3 publication Critical patent/EP0384255A3/fr
Ceased 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
    • B65H33/00—Forming counted batches in delivery pile or stream of articles
    • B65H33/02—Forming counted batches in delivery pile or stream of articles by moving a blade or like member into the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/321—Standing on edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/421—Forming a pile
    • B65H2301/4214—Forming a pile of articles on edge
    • B65H2301/42146—Forming a pile of articles on edge by introducing articles from above
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/422—Handling piles, sets or stacks of articles
    • B65H2301/4224—Gripping piles, sets or stacks of articles
    • B65H2301/42242—Gripping piles, sets or stacks of articles by acting on the outermost articles of the pile for clamping the pile

Definitions

  • This invention relates to a machine for withdrawing predetermined batches of flat objects, typically envelopes or sheets of paper, from a continuously forming row.
  • these envelopes are currently transferred manually in batches comprising a predetermined number of envelopes into container boxes.
  • a device is provided to cyclically displace a reference object slightly outwards from the aligned row after a predetermined number of envelopes. The length of the row segment (corresponding to the required number of envelopes) to be withdrawn and inserted manually into the respective box is thus indicated to the operator.
  • the object of the present invention is to mechanize and automate said withdrawal of batches of objects from said manufacturing machines, so that these batches can be transferred for example into respective packaging boxes, in order to obtain the well known advantages deriving from mechanization and automation of operations.
  • Figure 1 is a schematic side view of the entire machine of the invention.
  • Figure 2 is a plan view of part of the machine of Figure 1, in which the gripper means 40 are not represented in order to illustrate other elements.
  • Figure 3 is a section on the line III-III through the means illustrated in Figure 2, but in which the members 21 and 22 are shown close to each other in their rear end position.
  • Figure 4 is a general section through the rod of the element 11.
  • Figure 5 is a plan view of Figure 1 in which the gripper means 40 are not represented in order to illustrate other elements.
  • Figures 6, 7, 8 and 9 are schematic views of some details of the machine during successive stages of operation; Figures 6 and 7 being plan views and Figures 8 and 9 being side views such as Figure 1.
  • the machine according to the invention comprises an endless conveyor which advances the objects in a single continuous row in which they are orientated substantially vertically and transversely on the conveyor surface.
  • It also comprises a parting means consisting of two elongate elements 11′ and 11 ⁇ which when alongside each other define a pointed rod 11, in particular of circular cross-section, which is disposed with its axis horizontal and transverse to the direction of the conveyor 30, and passing through the row 2 of objects approximately in the centre thereof.
  • means 10 for inserting the pointed end of the rod 11 axially through the row 2 of objects, and means 20 for moving the two elements 11′ and 11 ⁇ together and apart parallel to each other in a longitudinal direction, to define a gap which separates an end segment 2′ of the row from the remaining portion 2 ⁇ of the row under formation.
  • the described means are coordinated and operated by known drive means (not shown in the figures and not further described as they are of known type) in such a manner that the machine effects the following operations automatically and cyclically in succession: inserting the rod 11 through the row 2, and moving the two elements 11′ and 11 ⁇ apart to withdraw the elements 3 from each other and define said gap; moving gripper means 40 towards the upper surface of the conveyor 30, inserting a jab 41 into said gap and the other jaw 42 close to but slightly downstream of the end segment 2′; extracting the elongate elements 11′ and 11 ⁇ from the row 2; clamping the jaws 41 and 42 against the segment 2′ and transferring this latter.
  • the conveyor 30 comprises a fixed horizontal upper table 31 on which there supportedly slide two adjacent belts 32 passing endlessly about a driven drum 33 downstream and a drum 34 upstream.
  • the upper surface of the belts 32 defines the upper surface of the conveyor 30 on which the objects 3 such as envelopes rest, and is preferably a surface with a fairly high coefficient of friction, such as of rubbery or knurled material.
  • the means 10 comprise a box frame 12 rigidly fixed to a side wall of the supporting structure of the conveyor 30, which carries two horizontal cylindrical guides 13 extending transversely to the direction of advancement of the conveyor 30.
  • a carriage 14 slides along the guides 13, a pneumatic cylinder-piston unit 15 being provided to drive the carriage 14 forwards and backwards along the guides 13.
  • the means 20 comprise a member 21 rigid with the carriage 14 and supporting the elongate element 11 ⁇ , and a second member 22 which supports the other element 11′.
  • the member 22 is slidable along two horizontal guides 23 extending longitudinally (ie parallel to the direction of advancement of the conveyor 30) and carried by the carriage 14.
  • a pneumatic cylinder-piston unit 24, the cylinder of which is rigid with the carriage 14, drives the support member 22 along the guides 23.
  • the frame 12 supports a horizontal transverse cylinder-piston unit 17 carrying at the end of its rod a vertical longitudinal flat element 18 arranged to make contact with a side surface of the row 2.
  • the element 18 is normally a small distance from the side of the row 2 and is urged against this side only when the elements 11′ and 11 ⁇ are extracted from the row 2.
  • the body of the rod 11 is of cylindrical form and is divided longitudinally into two complementary parts which define the two elements 11′ and 11 ⁇ . The point is however not divided and is integral with one of the elements 11′ or 11 ⁇ .
  • the preferred embodiment is that in which the element 11′ has a cross-section in the form of a circular sector with an angle of less than 180° at its centre, and the element 11 ⁇ has a complementary cross-section.
  • the means 50 comprises a base member 51 which rests by its own weight on the upper surface of the belts 32 and is retained on these by friction.
  • Two vertical lateral flat elements 52 are fixed to the member 51, their upstream vertical edges acting as a support element for the end object 3′.
  • the two elements 52 are spaced apart in a transverse direction to define a space into which the downstream jaw 42 can be inserted.
  • the means 50 moves downstream together with the end object 3′ and with the face of the row 2, conveyed by the belts 32, until it reaches a downstream end-of-travel position.
  • the gripper means 40 remove a row segment 2′
  • the means 50 returns to its upstream travel commencement position to support the downstream end object 3 ⁇ of the remaining row portion 2 ⁇ (position shown in Figure 9).
  • a pneumatic cylinder-piston unit 53 having its rod 54 parallel to the direction of the conveyor 30 and extending through the entire distance travelled by the support means 50.
  • a bored member 55 which extends downward below the the table 31 and through which the rod 54 slidingly passes.
  • the rod 54 is normally extended, and when the means 50 moves downstream the member 55 slides freely along the rod 54.
  • a stop element 56 for the bored member 55 At the end of the rod 54 there is a stop element 56 for the bored member 55, so that when the rod 54 has reached its retracted position, the means 50 has been transferred to the travel commencement position (shown by dashed lines in Figure 2 and full lines in Figure 9).
  • the upper table 31 is provided with a longitudinal slot 57 of a length substantially equal to the length of the rod 54, and through which the bored member 55 passes and can freely slide.
  • the elements 60 are in the form of thin rods slidable in respective guide members 61 fixed to the side walls 35 of the conveyor 30, in such a manner as to be able to project upwards beyond the upper surface of the conveyor 30, to the sides of the belts 32.
  • the lower ends of the rods 60 are fixed to a small horizontal cross-member 62 driven by a pneumatic cylinder-piston unit 63, the cylinder of which is rigidly fixed to a frame 64 fixed to the side walls of the conveyor 30.
  • the gripper means 40 comprise a mechanism 43, substantially of known type and not further described, for moving the jaws 41 and 42 symmetrically towards and away from each other.
  • the jaws 41 and 42 lie more or less vertically, parallel to the planes in which the objects 3 lie, and slightly converge towards each other downwards. Suitable means are provided to lower, raise and transfer the means 40.
  • the row 2 is formed by virtue of the fact that upstream of it a machine 4, for example for manufacturing envelopes, discharges said objects vertically onto the belts 32. As the machine 4 discharges the envelopes, the row 2 gradually increases in length and the conveyor 30 correspondingly moves downstream to advance with the row under formation.
  • the end face of the row 2, defined by the downstream end object 3′, is supported by the means 50 which rests on the belts 32 and advances rigidly therewith and with the row 2.
  • the carriage 14 is normally at rest in a retracted position and the two members 21 and 22 are close together.
  • the two elements 11′ and 11 ⁇ are consequently alongside each other to define a single rod 11, which is in its extracted position, ie outside the row 2.
  • the elements 60 are in their lowered position below the upper surface of the conveyor 30, and the gripper means 40 are above the row 2 (this stage being shown in Figure 5).
  • the cylinder-piston unit 15 is operated to urge the carriage 14 forwards so as to insert the rod 11 through the row 2.
  • the rod 11 is pointed, it inserts by sliding between two adjacent objects and therefore without disturbing the row or damaging the objects.
  • the fixed guide 19 keeps the objects reliably aligned and opposes any transverse thrusts 30 produced by the rod 11.
  • the rod 11 when in its extracted position is disposed with its point a short distance from a vertical side of the row 2, this distance being such that the point can intercept the projecting edge of the object 3a when this, advancing with the row, is in a position corresponding with the point.
  • the rod 11 is inserted through the row 2 slightly after the object 3a has rested against the point of the rod 11 (as shown in Figure 6).
  • a proximity sensor 25 can be provided close to the side of the row 2 below the point of the rod 11 to indicate the presence of the reference object 3a.
  • a member 26 fixed to the carriage 14 and projecting forwards from it so that its front edge is aligned and in contact with the lower edge of the objects 3 when the carriage 14 is in its fully advanced position. Consequently, during the forward movement of the carriage 14, the member 26 urges the reference object 3a into the row 2 to bring it into perfect alignment.
  • the cylinder-piston unit 24 is operated to move the elements 11′ and 11 ⁇ apart in the longitudinal direction in order to create a gap which separates the end row segment 2′ (between the downstream end object 3a and the object adjacent to the object 3a in a downstream direction) from the remaining upstream portion 2 ⁇ (the face 3 ⁇ of which is defined by that object 3a which initially acted as the reference object) (stage shown in Figure 7).
  • the elements 11′ and 11 ⁇ separate by leaving the element 11 ⁇ at rest and moving the element 11′ downstream. Consequently the row segment 2′ is also moved slightly downstream, with the objects 3 and the support means 50 sliding on the surface of the belts 32.
  • the cylinder-piston unit 63 is then operated to raise the elements 60 so that they project into the gap created by the elements 11′ and 11 ⁇ , to a height approximately equal to the height of the objects 3. More or less simultaneously with these operations, the support means 50 strikes the element 56 and halts thereat. Immediately afterwards, the gripper means 40 descend from above and approach the upper surface of the conveyor 30, to insert the jaw 41 into said gap downstream of the vertical elements 60 but upstream of the element 11′, and to insert the jaw 42 downstream of the end object 3′ into the space defined between the elements 52 of the means 50 (as shown in Figure 1 and Figure 8). Immediately afterwards, the carriage 14 is withdrawn to extract the elements 11′ and 11 ⁇ from the row.
  • the objects 3 rest against the jaw 41 and against the vertical elements 60.
  • the flat element 18 is moved against the side of the row 2 to ensure that during extraction, the elements 11′ and 11 ⁇ are unable to drag the objects 3 with them.
  • suitable control, regulating and operating means are provided and are coordinated synergically by a suitable control centre.
  • the machine of the invention is capable of a high production rate, is completely automatic and provides high operational reliability. Numerous modifications of a practical and applicational nature can be made to the invention but without 1 eaving the scope of the inventive idea as hereinafter claimed.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
EP19900102661 1989-02-21 1990-02-12 Machine pour retirer des lots prédéterminés d'objets plats, tels que des enveloppes ou des feuilles de papier, d'une rangée formée en continue Ceased EP0384255A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8946814A IT1234779B (it) 1989-02-21 1989-02-21 Macchina per prelevare gruppi prestabiliti di oggetti piatti, quali buste o fogli di carta da una fila continua in formazione
IT4681489 1989-02-21

Publications (2)

Publication Number Publication Date
EP0384255A2 true EP0384255A2 (fr) 1990-08-29
EP0384255A3 EP0384255A3 (fr) 1991-09-25

Family

ID=11259076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900102661 Ceased EP0384255A3 (fr) 1989-02-21 1990-02-12 Machine pour retirer des lots prédéterminés d'objets plats, tels que des enveloppes ou des feuilles de papier, d'une rangée formée en continue

Country Status (2)

Country Link
EP (1) EP0384255A3 (fr)
IT (1) IT1234779B (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117434A1 (de) * 1991-05-28 1992-12-03 Winkler Duennebier Kg Masch Verfahren und vorrichtung zum stapeln
US5183247A (en) * 1990-10-25 1993-02-02 Hans Blumer Method of, and apparatus for, detecting the position of a marking or separating element in a stack of substantially flat products
EP0553724A1 (fr) * 1992-01-30 1993-08-04 BIELOMATIK LEUZE GmbH + Co. Procédé et dispositif pour fabriquer des piles bien déterminées de feuilles pliées ou non-pliées ou d'objets sous forme de feuilles
ES2064222A2 (es) * 1992-09-18 1995-01-16 Iberica Ag Sa Prensa para trabajar materiales laminares.
FR2733217A1 (fr) * 1995-04-20 1996-10-25 Realisations Etudes Et Commerc Procede de separation de cartouches de cahiers empiles et dispositif pour la mise en oeuvre de ce procede
FR2756817A1 (fr) * 1996-12-10 1998-06-12 Realisations Etudes Et Commerc Procede de formation et de transport de cartouches de cahiers imprimes ainsi que son dispositif de mise en oeuvre
CN102633153A (zh) * 2012-04-17 2012-08-15 陆德昌 一种生活用纸自动分离取纸方法及其自动取纸机构
CN102887393A (zh) * 2012-09-28 2013-01-23 吴兆广 一种生活用纸折叠机的自动分沓夹纸翻转机
WO2022218612A1 (fr) * 2021-04-14 2022-10-20 Sig Technology Ag Dispositif et procédé pour regrouper des enveloppes d'emballage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH607979A5 (en) * 1977-02-07 1978-12-15 Sisenca Sa Device for handling stackable articles
JPS57112266A (en) * 1980-12-27 1982-07-13 Yamada Kikai Kogyo Kk Classification device for folded book
DE3638197A1 (de) * 1985-12-23 1987-06-25 Polygraph Leipzig Vorrichtung zum halten von senkrechtstehenden gefalteten lagen und pappen mit abschwenkbarem stapelhalter
US4732262A (en) * 1986-09-25 1988-03-22 International Paper Box Machine Co., Inc. Apparatus for segregating counted slugs of flats
DE8808242U1 (fr) * 1988-06-27 1988-11-17 Carl Neuburger & Co Gmbh, Wien, At

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH607979A5 (en) * 1977-02-07 1978-12-15 Sisenca Sa Device for handling stackable articles
JPS57112266A (en) * 1980-12-27 1982-07-13 Yamada Kikai Kogyo Kk Classification device for folded book
DE3638197A1 (de) * 1985-12-23 1987-06-25 Polygraph Leipzig Vorrichtung zum halten von senkrechtstehenden gefalteten lagen und pappen mit abschwenkbarem stapelhalter
US4732262A (en) * 1986-09-25 1988-03-22 International Paper Box Machine Co., Inc. Apparatus for segregating counted slugs of flats
DE8808242U1 (fr) * 1988-06-27 1988-11-17 Carl Neuburger & Co Gmbh, Wien, At

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 6, no. 207 (M-165)(1085), 19 October 1982; & JP - A - 57112266 (YAMADA KIKAI KOGYO) 13.07.1982 *

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183247A (en) * 1990-10-25 1993-02-02 Hans Blumer Method of, and apparatus for, detecting the position of a marking or separating element in a stack of substantially flat products
US5393196A (en) * 1991-05-28 1995-02-28 Winkler & Duennebier Maschinenfabrik Und Eisengiesserei Kg Method and apparatus for stacking of envelopes or the like
WO1992021599A1 (fr) * 1991-05-28 1992-12-10 Winkler & Dünnebier Maschinenfabrik Und Eisengiesserei Kg Procede et dispositif d'empilement
DE4117434A1 (de) * 1991-05-28 1992-12-03 Winkler Duennebier Kg Masch Verfahren und vorrichtung zum stapeln
EP0553724A1 (fr) * 1992-01-30 1993-08-04 BIELOMATIK LEUZE GmbH + Co. Procédé et dispositif pour fabriquer des piles bien déterminées de feuilles pliées ou non-pliées ou d'objets sous forme de feuilles
US5358232A (en) * 1992-01-30 1994-10-25 Bielomatik Leuze Gmbh + Co. Method and device for producing defined stacks of folded or unfolded sheets
ES2064222A2 (es) * 1992-09-18 1995-01-16 Iberica Ag Sa Prensa para trabajar materiales laminares.
FR2733217A1 (fr) * 1995-04-20 1996-10-25 Realisations Etudes Et Commerc Procede de separation de cartouches de cahiers empiles et dispositif pour la mise en oeuvre de ce procede
EP0739843A1 (fr) * 1995-04-20 1996-10-30 Réalisations, Etudes & Commercialisation de Matériel pour l'Industrie, RECMI Procédé de séparation de cartouches de cahiers empilés et dispositif pour la mise en oeuvre de ce procédé
FR2756817A1 (fr) * 1996-12-10 1998-06-12 Realisations Etudes Et Commerc Procede de formation et de transport de cartouches de cahiers imprimes ainsi que son dispositif de mise en oeuvre
WO1998025846A1 (fr) * 1996-12-10 1998-06-18 Realisations, Etudes & Commercialisation De Materiel Pour L'industrie, Recmi Procede de formation et de transport de cartouches de cahiers imprimes ainsi que son dispostif de mise en oeuvre
CN102633153A (zh) * 2012-04-17 2012-08-15 陆德昌 一种生活用纸自动分离取纸方法及其自动取纸机构
CN102633153B (zh) * 2012-04-17 2014-08-20 佛山市南海区德昌誉机械制造有限公司 一种生活用纸自动分离取纸方法及其自动取纸机构
CN102887393A (zh) * 2012-09-28 2013-01-23 吴兆广 一种生活用纸折叠机的自动分沓夹纸翻转机
WO2022218612A1 (fr) * 2021-04-14 2022-10-20 Sig Technology Ag Dispositif et procédé pour regrouper des enveloppes d'emballage

Also Published As

Publication number Publication date
IT8946814A0 (it) 1989-02-21
EP0384255A3 (fr) 1991-09-25
IT1234779B (it) 1992-05-26

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