EP0340457B1 - Dispositif de guidage de corps de boîtes de coupe non circulaire - Google Patents

Dispositif de guidage de corps de boîtes de coupe non circulaire Download PDF

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Publication number
EP0340457B1
EP0340457B1 EP89105754A EP89105754A EP0340457B1 EP 0340457 B1 EP0340457 B1 EP 0340457B1 EP 89105754 A EP89105754 A EP 89105754A EP 89105754 A EP89105754 A EP 89105754A EP 0340457 B1 EP0340457 B1 EP 0340457B1
Authority
EP
European Patent Office
Prior art keywords
rollers
press
blank
holding rollers
transport
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
EP89105754A
Other languages
German (de)
English (en)
Other versions
EP0340457A3 (fr
EP0340457A2 (fr
Inventor
Hans Rölli
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.)
Fael SA
Original Assignee
Fael SA
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 Fael SA filed Critical Fael SA
Priority to AT89105754T priority Critical patent/ATE83954T1/de
Publication of EP0340457A2 publication Critical patent/EP0340457A2/fr
Publication of EP0340457A3 publication Critical patent/EP0340457A3/fr
Application granted granted Critical
Publication of EP0340457B1 publication Critical patent/EP0340457B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/2646—Of particular non cylindrical shape, e.g. conical, rectangular, polygonal, bulged

Definitions

  • the invention relates to a device for guiding frames for cans with a non-circular cross-section, in particular with a cross-section variable over the can length, within a machine in which the frame edges of the frames transported by means of a transport device are connected at the end of the transport path by producing a longitudinal seam. whereby the frame edges to be connected are held in overlapping positions required for the longitudinal seam by guide means arranged on opposite sides, wherein on each of the opposite sides of the frame, which is symmetrically supported on circumferential zones, in each case a plurality of rollers serving for frame guidance are mounted on brackets which act under the action of a adjustable, constantly stable force hold the rollers in a pressure position that can be changed automatically transversely to the transport direction.
  • Can bodies with a non-circular cross-section for example an essentially rectangular cross-section with rounded corners, with above
  • the size of the cross-section also changes over the length of the can body, the can body being conical, for example, such a calibration ring cannot be used.
  • Can bodies with a non-circular cross-section can also be manufactured in principle according to a similar principle as is known for cans with a circular cross-section, starting from flat blanks in one machine, all the deformation steps for the rounded corners and the transport to a processing station for The edges of the frame are connected by producing a longitudinal seam, which means that transport devices which are very specially designed differ from the circular cross section of the can.
  • a special device for guiding the frames is required for the end section of the transport path within the machine, so that the longitudinal seam can be produced in a precise manner.
  • the present invention had for its object to provide a device for guiding frames for non-circular cross-section cans, which works without a Z-rail and has higher precision.
  • the device has the features of claim 1.
  • the advantage of this device is that with a plurality of holding rollers on both opposite sides of the frame, the frame is guided over its entire length, and that even if the frame is conical due to the The exact guidance is always given on a swivel rocker, even if the degree of taper is changed or if it is not available at all. A small force is sufficient for pressing the holding rollers, but this should be constant, which is why the use of a spring is inappropriate here because of the spring force that increases with the path, and therefore the actuators for holding the holding rollers are preferably pneumatic cylinders at which the pressure can be regulated constantly.
  • a further pressure roller is arranged on each of the two opposite sides of the holding rollers arranged on the swivel rocker, which is independent of the holding rollers can be pressed on by means of a separate pneumatic cylinder as an actuating member with a greater adjustable pressure force.
  • the embodiment of the guide device shown in the drawings serves to guide a frame with a substantially rectangular cross section with rounded corners and with a taper, which means that the cross section of the frame is smaller at the front end in the transport direction than at the rear end.
  • 1 shows a plan view of the front end of the frame 1.
  • the frame edges 2 to be welded in a longitudinal seam are located in the narrow side of the frame 1 lying at the top. At the height of these edges 2 to be welded, there are two on each of the two opposite sides of the frame Holding rollers 3 are mounted one behind the other in the transport direction with their axes of rotation 4 in a swivel rocker 5 which is triangular in plan view.
  • the swivel rocker 5 is mounted on a transmission lever 6 by means of a swivel pin 7, ie the two swivel axes 4 and the swivel pin 7 form the corner points of a triangle within the swivel rocker 5.
  • the transmission lever 6 is a two-armed lever with a pivot point 8, as shown in Fig. 3.
  • the other end of the transmission lever 6 is coupled to an actuating member in the form of a pneumatic cylinder 9 for generating a pressing force effective on the holding rollers 3.
  • the above-described configuration of the holding rollers 3, the transmission lever 6 and the pneumatic cylinder 9 is mirror-inverted the same on both opposite sides of the frame 1, as can be seen from FIG. 3.
  • FIGS. 1 and 2 shows two welding electrode rollers 10 and 11, by means of which the longitudinal seam is produced when the frame 1 is passed between the two rollers.
  • pressure rollers 12 arranged directly in front of this welding point on opposite sides of the frame 1 must exert a greater pressure force against the frame.
  • Each of these pressure rollers 12 is therefore rotatably arranged at the end of a two-armed transmission lever 13, the other end of which is coupled to an actuating member in the form of a pneumatic cylinder 14.
  • the two pneumatic cylinders 14 can be regulated independently of the pneumatic cylinders 9, so that the necessary pressing force can be generated using the pneumatic cylinders 14 due to the separate compressed air supply.
  • the transmission levers and the pneumatic cylinders are not shown in FIGS. 1 and 2.
  • the holding rollers 3 and the pressure rollers 12 have an outer contour adapted to the rounded corners of the frame 1 on the peripheral surface, as can be seen from FIGS. 1 and 2.
  • support rollers 15 are also present for support.
  • the principle of actuation for these holding rollers by means of a transmission lever 16 and a pneumatic cylinder 17 is the same as described above with reference to the pressure rollers located above. The latter elements are shown purely schematically in FIG. 1.
  • the two holding rollers 15 are at an angle of 45 o to the vertical to counter the rounded frame corner with the correspondingly shaped To lie on the circumferential surface of the roll.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tyre Moulding (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Fencing (AREA)

Claims (4)

  1. Dispositif pour le guidage de corps (1) de boîtes présentant une section transversale non circulaire, notamment une section transversale variable sur la longueur de la boîte, à l'intérieur d'une machine dans laquelle les bords de corps (2) des corps (1) transportés au moyen d'un dispositif de transport sont reliés à la fin d'un trajet de transport par la réalisation d'un joint longitudinal, les bords de corps (2) à relier étant maintenus par des moyens de guidage (3) dans une position de recouvrement nécessaire pour le joint longitudinal, et sur chacun des côtés opposés l'un à l'autre du corps (1) prenant appui de façon symétrique sur des zones de pourtour sont logés dans des supports (5 à 9) respectivement une pluralité de galets (3, 12) servant au guidage du corps qui, sous l'action d'une force réglable pouvant être maintenue constante maintiennent les galets (3, 12) dans une position d'appui pouvant être modifiée automatiquement transversalement à la direction de transport, caractérisé en ce que les galets sont logés à la hauteur des bords à souder, et que sur chacun des côtés opposés l'un à l'autre du corps (1) sont logés, respectivement, au moins deux galets d'appui (3) avec leurs axes de rotation (4) dans la direction de transport du corps l'un derrière l'autre dans un dispositif à bascule pivotant commun (5) qui est monté pivotant autour d'un axe de pivotement (7) parallèle aux axes de rotation (4) à l'extrémité d'un levier de transmission (6) à deux bras monté de façon rotative, et que l'autre extrémité du levier de transmission (6) est accouplé à un organe d'actionnement (9) pour produire une force d'appui sur le corps (1) agissant sur les galets d'appui (3), et en ce que, dans la direction de transport à la suite des galets de support (3) logés dans le dispositif à bascule pivotant (5), à peu près au plan du dispositif prévu à l'extrémité du trajet de transport destiné à la réalisation du joint longitudinal, de préférence une paire de galets d'électrodes de soudage (10, 11), est monté un galet d'appui (12) réalisé de façon à correspondre au galet de support (3) à l'extrémité d'un autre levier de transmission (13), dont l'autre extrémité est accouplée à un autre organe d'actionnement (14) pour produire une force d'appui sur le corps (1) agissant sur le galet d'appui (12).
  2. Dispositif selon la revendication 1, caractérisé en ce que les dispositifs à bascule pivotant (5) avec les galets de support (3), les galets d'appui (12), les leviers de transmission (6, 13) et les organes d'actionnement (9, 14) sont réalisés et disposés en images réfléchies sur des côtés opposés l'un à l'autre relativement au plan de transport des corps (1).
  3. Dispositif selon la revendication 1, caractérisé en ce que les galets de support (3) et les galets d'appui (12) présentant un contour extérieur concave en vue de l'appui contre les corps formés (1) des corps de boîtes présentant une section transversale essentiellement rectangulaire avec des coins arrondis sont disposés dans un plan supérieur, comprenant deux des coins, en-dessous duquel sont disposés d'autres galets de support (15, 18) destinés à appuyer contre les deux autres coins et contre la surface de corps entre ces coins, qui sont montés tournants à l'extrémité d'un levier de transmission à deux bras (16, 19), respectivement, et qui sont accouplés chacun à un organe d'actionnement (17, 20) pour produire une force d'appui.
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que tous les organes d'actionnement (9, 14, 17, 20) sont réalisés comme vérins pneumatiques, et que les vérins pneumatiques (9) pour l'actionnement des dispositifs à bascule pivotants (5) opposés l'un a l'autre comprenant les galets de support (3) et les vérins pneumatiques (14) pour les galets d'appui séparés (12) ainsi qu'en outre les vérins pneumatiques (17, 20) des galets de support (15, 18) se trouvant dans le plan inférieur du corps sont intégrés, respectivement dans des circuits de réglage d'air comprimé séparés pouvant être réglés indépendamment les uns des autres.
EP89105754A 1988-04-29 1989-04-01 Dispositif de guidage de corps de boîtes de coupe non circulaire Expired - Lifetime EP0340457B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89105754T ATE83954T1 (de) 1988-04-29 1989-04-01 Einrichtung zum fuehren von zargen fuer einen unrunden querschnitt aufweisende dosen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1614/88 1988-04-29
CH1614/88A CH675381A5 (fr) 1988-04-29 1988-04-29

Publications (3)

Publication Number Publication Date
EP0340457A2 EP0340457A2 (fr) 1989-11-08
EP0340457A3 EP0340457A3 (fr) 1991-01-02
EP0340457B1 true EP0340457B1 (fr) 1992-12-30

Family

ID=4214557

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89105754A Expired - Lifetime EP0340457B1 (fr) 1988-04-29 1989-04-01 Dispositif de guidage de corps de boîtes de coupe non circulaire

Country Status (11)

Country Link
US (1) US4947013A (fr)
EP (1) EP0340457B1 (fr)
CN (1) CN1015236B (fr)
AR (1) AR240140A1 (fr)
AT (1) ATE83954T1 (fr)
AU (1) AU619535B2 (fr)
BR (1) BR8901959A (fr)
CH (1) CH675381A5 (fr)
DE (1) DE58903139D1 (fr)
ES (1) ES2037308T3 (fr)
GR (1) GR3006862T3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3418846B2 (ja) * 1994-06-06 2003-06-23 日本テトラパック株式会社 液体収納容器用包装材料ウエブの成形用又はサポート用ローラ
DE102011117166A1 (de) * 2011-10-05 2013-04-11 Sms Meer Gmbh Anlage und Verfahren zum kontinuierlichen Einformen längsgeschlitzter Rohre
CN103194703B (zh) * 2013-04-02 2015-02-25 安徽精诚铜业股份有限公司 一种送料对准装置
CN103159043A (zh) * 2013-04-16 2013-06-19 唐山智能电子有限公司 水平输送机自动调心导向压紧机构
DE202013102577U1 (de) * 2013-06-17 2014-09-23 Kuka Systems Gmbh Bearbeitungseinrichtung
CN106523493B (zh) * 2016-11-15 2019-03-05 大同新成新材料股份有限公司 一种受电弓滑板包边机
CN106743193A (zh) * 2016-12-24 2017-05-31 无锡明珠增压器制造有限公司 销杆的振动送料装置
CN108438288A (zh) * 2018-03-29 2018-08-24 惠州市华星光电技术有限公司 曲面显示模组自动套袋装置
CN109896279B (zh) * 2019-04-17 2021-03-16 五合兴华通讯设备有限公司 一种箱型横担自动成型焊接生产线

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB764601A (en) * 1954-04-28 1956-12-28 Metal Box Co Ltd Improvements in or relating to the manufacture of can bodies
US3328989A (en) * 1964-06-11 1967-07-04 United States Steel Corp Method of coiling strip
US3591756A (en) * 1969-12-09 1971-07-06 Continental Can Co Timed-hydraulic dampener for suppression of electrode bounce in welding of can body seams
JPS57106480A (en) * 1980-12-24 1982-07-02 Fuji Kogyosho:Kk Method and device for fully automatic resistance seam welding of thin walled can body
US4577088A (en) * 1984-06-27 1986-03-18 Sws Inc. Method of laser butt welding
CH674327A5 (fr) * 1984-12-19 1990-05-31 Elpatronic Ag
CH673604A5 (fr) * 1987-10-22 1990-03-30 Fael Sa

Also Published As

Publication number Publication date
AR240140A1 (es) 1990-02-28
BR8901959A (pt) 1989-12-05
AU3251189A (en) 1989-11-02
CN1015236B (zh) 1992-01-01
EP0340457A3 (fr) 1991-01-02
ATE83954T1 (de) 1993-01-15
DE58903139D1 (de) 1993-02-11
CN1037288A (zh) 1989-11-22
EP0340457A2 (fr) 1989-11-08
CH675381A5 (fr) 1990-09-28
GR3006862T3 (fr) 1993-06-30
AU619535B2 (en) 1992-01-30
ES2037308T3 (es) 1993-06-16
US4947013A (en) 1990-08-07

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