EP0576332B1 - Bördelkopf für Konservendosen mit Spielregulierungsmitteln - Google Patents
Bördelkopf für Konservendosen mit Spielregulierungsmitteln Download PDFInfo
- Publication number
- EP0576332B1 EP0576332B1 EP93401560A EP93401560A EP0576332B1 EP 0576332 B1 EP0576332 B1 EP 0576332B1 EP 93401560 A EP93401560 A EP 93401560A EP 93401560 A EP93401560 A EP 93401560A EP 0576332 B1 EP0576332 B1 EP 0576332B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheel
- cam surface
- axis
- counter
- wheels
- 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
Links
- 230000001105 regulatory effect Effects 0.000 title description 2
- 238000002788 crimping Methods 0.000 claims description 22
- 230000000750 progressive effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
Images
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
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
- B65B7/2842—Securing closures on containers
- B65B7/285—Securing closures on containers by deformation of the closure
- B65B7/2857—Securing closures on containers by deformation of the closure and the container rim
-
- 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
- B21D51/30—Folding the circumferential seam
- B21D51/32—Folding the circumferential seam by rolling
Definitions
- the present invention relates to a crimping head according to the preamble of claim 1.
- a device of this type intended for sealing the cans by crimping the lid onto the can body, is known from the US patent -A-2 907 293.
- this document shows a crimping device for cans containing guide means formed by two superimposed cam rollers moving on two cam surfaces each having a straight vertical face.
- This device does not allow easy adjustment of the clearance between the assembly of the two rollers and the cam and cam follower surfaces between which this assembly is interposed.
- the object of the present invention is to remedy the drawbacks of the devices of the prior art.
- Such an arrangement allows that the play can be eliminated by adjusting the position, in the axial direction, of the second roller relative to the cam follower surface.
- the second roller has a diameter smaller than that of the first roller and the cam surface has a transverse dimension covering the combined thickness of the two juxtaposed rollers, while the cam follower surface has a transverse dimension lesser, such that it extends only opposite the second roller.
- the cam and cam follower surfaces are formed by the sides of a groove hollowed out in a plate along an appropriate layout and with a constant cross section, the second roller being adjacent to the bottom of this groove.
- the distance between the cam follower surface and the work surface is constant, and the clearance is adjusted by moving the second roller, at least, in the direction of its axis relative to said plane.
- the mutual difference of the two rollers in the direction of their common axis is constant. This means in particular that, when the adjustment is made by axial displacement of the second roller, it is in fact the two rollers which are moved together. Such an arrangement has no effect on the precision of the guidance, since the cam surface is a cylindrical surface of generatrices parallel to said axis.
- the two rollers are mounted coaxially around the same journal on which they are fixed in the axial direction, and this journal is subject to the support part of the wheel by fixing means allowing the adjustment of its position relative to said plane in the direction of the common axis of the two rollers.
- the pin may have a threaded end which is screwed into a threaded cavity formed in said support piece in the direction of the common axis of the two rollers, this cavity being opened by a radial slot so that it is located produced between two elastically deformable fork legs, which can be mutually tightened or loosened to block the trunnion between them on the support piece or allow its position to be adjusted by progressive screwing or unscrewing.
- Figure 1 illustrates the kinematics of a crimping head for shaped boxes.
- Figure 2 shows schematically, in axial section, the main elements associated with a wheel in a crimping head according to the invention.
- Each wheel 3 is carried by a part 4 comprising a hub 4a pivoting about a vertical axis Y, and two arms 4b, 4c secured to the hub 4a.
- the wheel is mounted at the end of one of these arms, designated by the reference 4b, to which its axis of rotation V is linked.
- the pivot axis Y of the hub 4a is required to rotate around the axis X from the crimping head, remaining at a constant distance R from this axis.
- a roller 10 At the end of the other arm 4c of the support piece 4 is mounted a roller 10 whose axis of rotation Z, vertical, is linked to this arm.
- the roller 10 is forced to roll against a cam surface 7a whose layout is such that it imposes on the wheel 3, via the part 4 while the hub 4a of the latter performs its movement of revolution around the axis X, strictly follow the outline of box 1 to be crimped.
- This result is illustrated in FIG. 1, where two positions D, D 'of the part 4 and its accessories have been indicated, which, in the position D', are designated by the same references as in the position D, but assorted of the sign ['].
- FIG. 1 shows that the hub 4a is mounted between the branches 5a, 5b of a part 5 further comprising a rotary sleeve 5c centered on the axis X, which can rotate around this axis but not move along that -this.
- the hub 4a can rotate around the axis X, its own axis Y remaining at a constant distance R from the latter, while maintaining a constant spacing with the plane P, that is to say by describing a circle of axis X parallel to the plane P and distant from it by a fixed fixed quantity.
- the wheel 3 is forced to move while remaining at a constant height above the plane P.
- the head 4d of the arm 4c located at the end of the latter remote from the hub 4a, which moves while remaining in a mean plane Q parallel to the plane P and located at a fixed fixed distance H from this plane.
- the head 4d of the arm 4c is equipped with a guide assembly 6 including the aforementioned roller 10, which compels the latter to follow, when the hub 4a rotates around the axis X, the cam surface 7a, produced in a fixed plate 8 known as a "reproduction cam", located at a determined distance J above the plane Q.
- This surface is a cylindrical surface whose vertical generators rest on a line such that the axis Z of the roller 10 follows a line G designed so that the axis V of wheel 3 moves accordingly along a path T "reproducing", taking into account the radius of the wheel, the outline of box 1.
- the guide assembly 6 comprises a pin 9 fixed to the head 4d and offering a general shape of revolution around a vertical axis Z; this journal carries, in addition to the roller 10, a second rotating roller 11; these two rollers are mounted one above the other so that they can rotate around the same axis coinciding with the aforementioned axis Z.
- the lower roller 10, of slightly larger diameter than the upper roller 11, has a cylindrical outer surface of revolution of axis Z and rolls against the cam surface 7a.
- the upper roller 11 for its part has an outer surface of revolution not cylindrical, but curved, its section through a radial plane, passing through the axis Z, being constituted by a slightly convex arc towards the outside.
- This roller cooperates with a cam follower surface 7b, produced in the plate 8 facing the cam surface 7a.
- the surface 7b extends, like the surface 7a, following a path parallel to the line G along which the Z axis must move. It is also a regulated surface, including the generators, instead of being parallel to the Z and X axes , make with them a small angle F of a few degrees.
- the distance between the cam 7a and cam follower 7b surfaces which form the sides of a groove 7 hollowed out in the plate 8, decreases as one moves away from the head 4d of the piece 4. As for the roller 11, it is adjacent to the bottom 7c of this groove.
- the cam follower surface 7b does not continue, in the direction of the head 4d, beyond the roller 11, so as not to interfere with the roller 10, of larger diameter, interposed between it ci and said head.
- the pin 9 is fixed to the head 4d by a threaded part 9a of axis Z which it comprises, which is screwed into a threaded conjugate passage which comprises the head 4d.
- a threaded part 9a of axis Z which it comprises, which is screwed into a threaded conjugate passage which comprises the head 4d.
- the convex roller 11 slides along a generatrix of the cam follower surface 7b inclined by the angle F relative to the axis X; it follows that, when one increases, by adjusting the position of the part 9 on the axis Z, the distance K of the roller 11 to the fixed plane Q where the head 4d moves, the clearance which existed between the surfaces 7a, 7b and the rollers 10, 11 of the guide assembly 6 decreases until it cancels, the two rollers 10, 11 then simultaneously pressing each against the surface 7a, 7b with which it cooperates, the roller 10 being in linear contact with the surface 7a and the roller 11 in point contact with the surface 7b.
- the pin 9 When this setting is reached, the pin 9 is blocked in the head 4d by clamping its threaded part in the threaded passage of the head 4d, the latter being for this purpose open by a slot 13; a screw is engaged in holes 12 drilled in the two corresponding branches, separated by this slot, for tighten elastically these against the threaded part 9a of the pin 9 and lock the latter by pinching.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Tyre Moulding (AREA)
- Pinball Game Machines (AREA)
Claims (7)
- Bördelkopf zum dichten Schließen von Konservendosen (1) durch Bördeln des Deckels (1b) auf den Dosenkörper (1a), mit wenigstens einem Bördelrad (3), das auf einem beweglichen Stützteil (4) angebracht ist, das es dreht, in einer Ebene parallel zur Arbeitsebene (P), auf der die zu bördelnde Dose (1) ruht, gemäß einer Bahn derart, daß es sich exakt entlang der Kontur der Dose bewegt, unter Andruck gegen diese, um das Bördeln des Randes des Deckels (1b) an dem Rand des Dosenkörpers (1a) auszuführen, wobei das Rad (3) über das Stützteil (4) gezwungen wird, dieser Bahn mittels diesen zugeordneten Führungseinrichtungen zu folgen, wobei diese einerseits eine erste drehbare Rolle (10) mit zur Arbeitsebene senkrechter Achse und verbunden mit dem Stützteil, und eine zylindrische Nockenoberfläche (7a) aufweist, deren Erzeugende ebenfalls senkrecht zur Arbeitsebene sich entlang eines geeigneten Weges folgen, der sich parallel zur Arbeitsebene erstreckt, wobei die erste Rolle (10) gegen die Nockenoberfläche (7a) unter der Einwirkung einer zweiten drehenden Rolle (11) rollt, die benachbart zur ersten Rolle (10) angeordnet ist und sich um dieselbe Achse dreht, und, gegenüber der vorgenannten Nokkenoberfläche, eine Gegennockenoberfläche (7b) für diese zweite Rolle (11) vorgesehen ist, die eine Andruckoberfläche und Rolloberfläche bildet, die parallel zur Nokkenoberfläche (7a) läuft,
dadurch gekennzeichnet, daß die zweite Rolle (11) eine bombierte oder ausgebuchtete Umfangsoberfläche aufweist, ihr Schnitt durch eine radiale Ebene eine gekrümmte konvexe Linie ist, die nach außen gedreht ist, und ihre Gegennockenoberfläche (7b) eine leichte Neigung bezüglich der Richtung der gemeinsamen Achse (Z) der beiden Rollen (10, 11) bietet, und daß die relative Position, entlang der Richtung dieser Achse, der zweiten Rolle (11) und der Gegennockenoberfläche (7b) einstellbar ist, um die Regelung oder Einstellung des Spiels zwischen den beiden Rollenanordnungen und den Nockenoberflächen und Gegennockenoberflächen, zwischen denen diese Anordnung eingesetzt ist, zu ermöglichen. - Bördelkopf nach Anspruch 1, dadurch gekennzeichnet, daß die zweite Rolle (11) einen Durchmesser aufweist, der geringer ist als jener der ersten Rolle (10), und daß die Nockenoberfläche (7a) eine Querabmessung aufweist, die die zusammengesetzte Dicke der beiden benachbarten Rollen (10, 11) abdeckt, während die Gegennockenoberfläche (7b) eine geringere Querabmessung aufweist, derart, daß sie sich nur gegenüber der zweiten Rolle (11) erstreckt.
- Bördelkopf nach Anspruch 1, dadurch gekennzeichnet, daß die Oberflächen des Nockens und des Gegennockens aus Flanken (7a, 7b) eines Halses bzw. einer Vertiefung (7) gebildet sind, die in einer Platte (8) eingebracht ist, entlang eines geeigneten Weges, und mit einem konstanten Querschnitt, wobei die zweite Rolle (11) sich in der Nähe des Bodens (7c) dieser Vertiefung befindet.
- Bördelkopf nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Abstand zwischen der Oberfläche des Gegennockens (7b) und der Arbeitsebene (P) konstant ist, und daß die Einstellung des Spiegels durch Bewegen wenigstens der zweiten Rolle (11) in die Richtung ihrer Achse (Z) bezüglich der Ebene ausgeführt wird.
- Bördelkopf nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der gegenseitige Abstand der beiden Rollen (10, 11) entlang der Richtung ihrer gemeinsamen Achse (Z) konstant ist.
- Bördelkopf nach Anspruch 5, dadurch gekennzeichnet, daß der Abstand zwischen der Oberfläche des Gegennockens (7b) und der Arbeitsebene (P) konstant ist, daß die beiden Rollen (10, 11) koaxial um einen selben Lagerzapfen (9) angebracht sind, auf dem sie in axialer Richtung verteilt sind, und daß dieser Lagerzapfen mit dem Stützteil (4), der das Rad (3) trägt, durch Befestigungseinrichtungen verbunden ist, die die Einstellung seiner Position bezüglich der die Richtung der gemeinsamen Achse (Z) der beiden Rollen folgenden Ebene ermöglicht.
- Bördelkopf nach Anspruch 6, dadurch gekennzeichnet, daß der Lagerzapfen (9) ein Gewindeende (9a) aufweist, das sich in eine Gewindeöffnung einschraubt, die in dem Stützteil (4) ausgebildet ist, entlang der Richtung der gemeinsamen Achse (Z) der beiden Rollen (10, 11), wobei dieser Hohlraum durch einen radialen Spalt (13) derart geöffnet ist, daß er sich zwischen zwei elastisch verformbaren Gabelarmen ausbildet, die gegeneinander verklemmt oder gelöst werden können, um dazwischen den Lagerzapfen (9) an dem Stützteil (4) zu blockieren oder die Einstellung seiner Position durch zunehmendes Schrauben oder Losschrauben zu ermöglichen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9207594A FR2692548B1 (fr) | 1992-06-22 | 1992-06-22 | Tête de sertissage pour boîte de conserve, dotée de moyens de réglage de jeu. |
FR9207594 | 1992-06-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0576332A1 EP0576332A1 (de) | 1993-12-29 |
EP0576332B1 true EP0576332B1 (de) | 1996-04-17 |
Family
ID=9431021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93401560A Expired - Lifetime EP0576332B1 (de) | 1992-06-22 | 1993-06-17 | Bördelkopf für Konservendosen mit Spielregulierungsmitteln |
Country Status (5)
Country | Link |
---|---|
US (1) | US5390471A (de) |
EP (1) | EP0576332B1 (de) |
DE (1) | DE69302227T2 (de) |
ES (1) | ES2086902T3 (de) |
FR (1) | FR2692548B1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6163951A (en) * | 1999-03-31 | 2000-12-26 | Sealright Co., Inc. | Method and apparatus for lifting tabs of a laminate from a substrate |
GB9912264D0 (en) * | 1999-05-27 | 1999-07-28 | Meltog Ltd | Adjustment mechanism |
US8789721B2 (en) * | 2005-05-17 | 2014-07-29 | Toyo Seikan Kaisha, Ltd. | Square can and method and apparatus for double seaming the same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1972866A (en) * | 1931-07-06 | 1934-09-11 | American Can Co | Double seaming head |
US2149543A (en) * | 1936-12-24 | 1939-03-07 | Peyser Hansen Machine Co Inc | Seaming mechanism |
US2271152A (en) * | 1938-05-28 | 1942-01-27 | Continental Can Co | Square can seaming head |
US2432815A (en) * | 1943-06-28 | 1947-12-16 | Continental Can Co | Square can seaming head |
US2467154A (en) * | 1946-07-26 | 1949-04-12 | Pacific Can Company | Noncircular can seaming head |
US2907293A (en) * | 1956-10-09 | 1959-10-06 | Angelus Sanitary Can Machine C | Seaming head for non-circular cans |
GB827823A (en) * | 1958-05-30 | 1960-02-10 | Metal Box Co Ltd | Improvements in or relating to seaming mechanisms for securing ends on can bodies |
-
1992
- 1992-06-22 FR FR9207594A patent/FR2692548B1/fr not_active Expired - Fee Related
-
1993
- 1993-06-17 US US08/079,157 patent/US5390471A/en not_active Expired - Fee Related
- 1993-06-17 ES ES93401560T patent/ES2086902T3/es not_active Expired - Lifetime
- 1993-06-17 EP EP93401560A patent/EP0576332B1/de not_active Expired - Lifetime
- 1993-06-17 DE DE69302227T patent/DE69302227T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0576332A1 (de) | 1993-12-29 |
FR2692548A1 (fr) | 1993-12-24 |
FR2692548B1 (fr) | 1994-10-07 |
US5390471A (en) | 1995-02-21 |
DE69302227D1 (de) | 1996-05-23 |
DE69302227T2 (de) | 1996-09-12 |
ES2086902T3 (es) | 1996-07-01 |
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