EP0131159B1 - Procédé et dispositif pour former des rainures dans un corps de boîte - Google Patents

Procédé et dispositif pour former des rainures dans un corps de boîte Download PDF

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Publication number
EP0131159B1
EP0131159B1 EP84106484A EP84106484A EP0131159B1 EP 0131159 B1 EP0131159 B1 EP 0131159B1 EP 84106484 A EP84106484 A EP 84106484A EP 84106484 A EP84106484 A EP 84106484A EP 0131159 B1 EP0131159 B1 EP 0131159B1
Authority
EP
European Patent Office
Prior art keywords
stamps
tin body
grooved
series
axially
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
Application number
EP84106484A
Other languages
German (de)
English (en)
Other versions
EP0131159A2 (fr
EP0131159A3 (en
Inventor
Willem Pieter Post
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.)
Thomassen and Drijver Verblifa NV
Original Assignee
Thomassen and Drijver Verblifa NV
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 Thomassen and Drijver Verblifa NV filed Critical Thomassen and Drijver Verblifa NV
Priority to AT84106484T priority Critical patent/ATE29847T1/de
Publication of EP0131159A2 publication Critical patent/EP0131159A2/fr
Publication of EP0131159A3 publication Critical patent/EP0131159A3/en
Application granted granted Critical
Publication of EP0131159B1 publication Critical patent/EP0131159B1/fr
Expired 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
    • B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
    • B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing

Definitions

  • the invention relates to a method and an apparatus for pressing at least one in- or outwardly protruding reinforcing ridge in the sleeve of a tin body, that means to a method and a device of the kind as disclosed in US-A-4,380,165.
  • the method published by this patent specification comprises a step of inserting the tin body axially into a gap left free between two similar radially spaced concentric closed curved or bent series of simultaneously radially reciprocatable stamps, the stamps of one series having on their faces confining said gap ridges which form together at least one row of longitudinally aligned ridges, the stamps of the other series having in their faces confining said gap grooves which form together at least one row of longitudinally aligned grooves registering with said ridges and the stamps of either series being provided with cam faces for cooperation with cam faces of respective axially reciprocatable control members, the cooperation of the cam faces of the stamps and those of the respective control members being such, as to ensure that the active strokes of said members have the effect of bringing the grooved stamps ahead of or simultaneously with the ridged stamps into engagement with the tin body, of blocking the radial disengagement movement of the grooved stamps and of forcing, by means of the ridged stamps, the tin body
  • the invention has the object to improve this method and this is achieved in that only a first part of the active stroke of the control member of the grooved stamps is used to bring said stamps into engagement with the tin body, at the end of said part of the stroke the radial disengagement movement of said stamps is blocked and said blocking is maintained during the subsequent part of the stroke of said member.
  • This improvement makes the length of the stroke of the control member of the grooved stamps independent of the blocking of said stamps, consequently noncritical, so that, even if stops at the end of the active stroke of said member should be used, the rebounding thereof by said stops, if kept within the second part of said stroke, would not have any effect on the blocking of the stamps in question. In many cases such stops may be dispensed with and this makes it possible to drive the control member of the grooved stamps positively, that means without the interposition of springs in the active direction. Due to these facts the speed of operation may be considerably increased.
  • the method can be carried out by an apparatus which, just as the apparatus described in US-A-4,380,165, comprises two similar radially spaced concentric closed curved or bent series of simultaneously radially reciprocatable stamps, the stamps of one series having on their faces confining the gap left free between the two series of stamps to receive the sleeve of a tin body ridges which form together at least one row of longitudinally aligned ridges, the stamps of the other series having in their faces confining said gap grooves which form together at least one row of longitudinally aligned grooves registering with said ridges, two axially movable control members, one for the simultaneous radial movement of the ridged stamps and one for the simultaneous radial movement of the grooved stamps, the ridged stamps on one hand and the respective control member on the other hand and the grooved stamps on one hand and the respective control member on the other hand being provided with cooperating cam faces, of which at least portions are bevelled for the conversion of the axial
  • the reinforcing ridge or ridges to be produced in the tin body may be other than purely circumferential, e.g. sloping, rhombic or otherwise different.
  • a tin body 1 is introduced between two stamps 2 and 3, one stamp 2 having ridges 4 and the other stamp 3 having grooves 5 registering with the ridges.
  • the stamps 2 and 3 are driven by first and second driving means 6 and 7 respectively.
  • the driving means 6 and 7 and the co-operating faces of the stamps 2 and 3 are formed so that during the first part of the axially directed stroke of the driving means 6, 7 (see Fig. 2) the stamps 2 and 3 are radially moved towards one another, whereas during the last part of the stroke (see Fig. 3) solely stamp 2 is radially moved and hence stamp 3 serves as a counter-bearing.
  • the radial movement producing the grooves in the tin body 1 is, therefore, performed solely by stamp 2.
  • the driving means 6, 7 move in opposite axial directions, the stamps 2 and 3 move radially in opposite senses and the tin body is again released.
  • Fig. 5 schematically shows the way in which tins 1 are fed to a device as shown in Figs. 6 and 7 in which the assembly of Figs. 1 to 4 is arranged.
  • the tins (Fig. 5) are moved by a worm conveyor 8 in a feeder 9 into a device embodying the invention, which comprises in this embodiment six identical processing stations 10.
  • a tin body 1 is moved to a processing station 10.
  • the unit with the stamps is fixed by means of a cap nut 12 to a plunger housing 13 of an upper plunger 14.
  • the plunger 14 is driven by a profiled upper disc 15 and a roller 16.
  • the tin body 1 is moved upwards by means of a lower plunger 17 driven by a lower disc 18 into the unit 11.
  • the tin body 1 is then enclosed in the feed head 19.
  • the upper part can be set in height with the aid of a setting spindle 20. In this way the desired setting for the tin height can be chosen. Since the upper part is adjustable, there is no need for setting a lower part and hence of the feeding part of the tin bodies.
  • the tin body 1 is introduced into the gap between the stamps 2 and 3 up to a resilient stop 22.
  • the spring 23 ensures the ejection of the tin body.
  • the driving means for the stamps 2 and 3, and 6, 7 respectively and the part 24 are fastened to the plunger 14 with the interposition of a spring structure 25.
  • the cylindrical part 21 serves as a guide for the moving parts.
  • the driving means 6 and 7 move the stamps 2 and 3 in a manner such that the stamps 3 move radially outwards and engage the tin body.
  • the stroke of the driving means 7 is limited by the stop 26.
  • the driving means 6 for the stamps 2 are moved axially so that the stamps 2 perform a radially inward movement and make the grooves in the tin body 1, whilst the inner stamps 3 serve as counter-bearings.
  • the plunger 14 moves in the opposite axial direction so that again a gap is formed between the stamps 2 and 3.
  • the tin body is then moved to the outside by the head provided with magnets.
  • Fig. 8 shows that the stamps 2 and 3 are disposed opposite one another in segments of a circle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Coating With Molten Metal (AREA)
  • Coating Apparatus (AREA)
  • Press Drives And Press Lines (AREA)

Claims (3)

1. Procédé pour presser au moins une arête de renforcement saillante vers l'intérieur ou l'extérieur dans le gaine d'un corps de boîte (1), ledit procédé comportant une étape d'insertion du corps de boîte (1) axialement dans un espace laissé libre entre deux séries similaires d'empreintes (2,3) pouvant se déplacer simultanément radialement selon un mouvement de va et vient, espacées radialement, concentriques fermées recourbées ou repliées, les empreintes d'une série comportant sur leur face délimitant ledit espace, des arêtes (4) qui forment ensemble au moins une rangée d'arêtes alignées longutinale- ment, les empreintes (3) de l'autre série comportant sur leur face délimitant ledit espace, des rainures (5) qui forment ensemble au moins une rangée de rainures alignées longitudinalement, coïncidant avec lesdites arêtes, et les empreintes (2, 3) de chaque série étant munies de faces en forme de came qui coopèrent avec des faces respectives en forme de came d'éléments de commande (6, 7) pouvant se déplacer axialement selon un mouvement de va et vient, la coopération des faces en forme de came des empreintes (2, 3) et celles des éléments de commande (6, 7) respectifs étant telle qu'elle assure que les courses actives desdits éléments (6, 7) ont pour effet de mettre les empreintes rainurées avant (3) ou simultanément avec les empreintes munies d'arêtes (2), en engagement avec le corps de boîte (1), de bloquer le mouvement de désengagement radial des empreintes rainurées (3) et de pousser, au moyen des empreintes munies d'arêtes (2) le corps de boîte (1) dans les rainures (5) des empreintes rainurées (3), et dans les étapes ultérieures de déplacer axialement l'élément de commande (7) des empreintes rainurées (3) pour mettre lesdites empreintes (3) en engagement avec le corps de boîte (1) et les bloquer dans leur position d'engagement, de déplacer axialement l'élément de commande (6) des empreintes munies d'arêtes (2) pour forcer le corps de boîte (1) dans les rainures (5) des empreintes rainurées bloquées, de rétracter uaxialement les éléments de commande (6, 7) pour permettre aux empreintes (2, 3) des deux série d'être rétractées radialement du corps de boîte (1) et d'extraire le corps de boîte (1) axialement de l'espace laissé libre à nouveau entre les deux séries d'empreintes rétractées radialement, caractérisé en ce que seulement une première partie de la course active de l'élément de commande (7) des empreintes rainurées (3) est utilisée pour mettre lesdites empreintes (3) en engagement avec le corps de boîte (1), le mouvement de désengagement radial desdites empreintes (3) étant bloqué à la fin de ladite partie de la course, et ledit blocage étant maintenu pendant la partie ultérieure de la course dudit élément (7).
2. Appareil pour la mise en oeuvre du procédé selon la revendication 1, ledit appareil comportant deux séries similaires d'empreintes (2, 3) espacées radialement, concentriques, fermées recourbées ou repliées, pouvant se déplacer simultanément selon un mouvement de va et vient, les empreintes (2) d'une série comportant sur leur face, délimitant l'espace laissé libre entre les deux séries d'empreintes (2, 3) pour recevoir la gaine d'un corps de boîte (1), des arêtes (4) qui forment ensemble au moins une rangée d'arêtes alignées longitudinalement, les empreintes (3) de l'autre série comportant sur leur face, délimitant ledit espace, des rainures (5) qui forment ensemble au moins une rangée de rainures alignées longitudinalement coïncidant avec lesdites arêtes, deux éléments de commande mobiles axialement (6, 7), l'un (6) pour le mouvement radial simultané des empreintes (2) munies d'arêtes et l'autre (7) pour le mouvement radial simultané des empreintes rainurées (3), les empreintes (2) munies d'arêtes d'une part et l'élément de commande respectif (6) d'autre part ainsi que les empreintes rainurées (3) d'une part et l'élément de commande respectif (7) d'autre part étant munis de faces en forme de came coopérant entre-elles, dont au moins des parties sont inclinées pour la conversion des mouvements axiaux des éléments de commande (6, 7) en des mouvements radiaux des deux séries d'empreintes (2, 3) l'une vers l'autre afin de mettre en engagement les empreintes rainurées (3) avec un corps de boîte (1) inséré dans ledit espace et pour pousser au moyen des arêtes (4) des empreintes (2) munies d'arêtes, le corps de boîte (1) dans les rainures (5) des empreintes (3) munies des rainures, lorsque ces dernières (3) sont maintenues dans leur position d'engagement avec le corps de boîte (1), et les faces en forme de came des empreintes rainurées (3) et leur élément de commande (7) ont également de formes telles qu'ils bloquent le mouvement de désengagement radial des empreintes rainurées (3) lorsqu'elles sont poussées par les empreintes (2) de pressage munies d'arêtes, des moyens (12, 16, 24, 25) pour déplacer les éléments de commande (6, 7) axialement et des moyens de transport (17, 18, 19) pour déplacer un corps de boîte (1) axialement dans et hors de l'espace laissé libre entre les deux séries d'empreintes (2, 3) après qu'elles ont été radialement séparées l'une de l'autre, caractérisé en ce que dans chaque paire de faces en forme de came qui coopérent entre elles, dont l'une est formée sur une empreinte rainurée (3) et l'autre sur l'élément de commande respectif (7), au moins une face en forme de came comporte une partie inclinée pour mettre ladite empreinte (3) en engagement avec le corps de boîte (1) inséré pendant une première partie de la course axiale active dudit élément de commande (7) et au moins l'autre face en forme de came comporte une partie s'étendant axialement pour bloquer le mouvement de désengagement radial de ladite empreinte (3) à la fin de ladite première partie de la course et pour maintenir ledit blocage pendant la partie ultérieure de ladite course.
3. Appareil selon la revendication 2, caractérisé en ce qu'il comporte au moins un élément de butée (22) déplaçable axialement, repoussé par ressort (23) pour limiter l'insertion axiale du corps de boîte (1) dans l'espace entre les deux séries d'empreintes (2, 3) par lesdits moyens de transport (17, 18, 19) et pour éjecter le corps de boîte (1) hors dudit espace après que l'opération de pressage a été réalisée.
EP84106484A 1983-06-09 1984-06-06 Procédé et dispositif pour former des rainures dans un corps de boîte Expired EP0131159B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84106484T ATE29847T1 (de) 1983-06-09 1984-06-06 Verfahren und vorrichtung zum formen von rillen in einen dosenmantel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8302057 1983-06-09
NL8302057A NL8302057A (nl) 1983-06-09 1983-06-09 Werkwijze en inrichting voor het in een busromp aanbrengen van groeven.

Publications (3)

Publication Number Publication Date
EP0131159A2 EP0131159A2 (fr) 1985-01-16
EP0131159A3 EP0131159A3 (en) 1985-07-03
EP0131159B1 true EP0131159B1 (fr) 1987-09-23

Family

ID=19841981

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84106484A Expired EP0131159B1 (fr) 1983-06-09 1984-06-06 Procédé et dispositif pour former des rainures dans un corps de boîte

Country Status (4)

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EP (1) EP0131159B1 (fr)
AT (1) ATE29847T1 (fr)
DE (1) DE3466360D1 (fr)
NL (1) NL8302057A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3432443C2 (de) * 1984-09-04 1986-08-14 Klaus Ing.(grad.) 4232 Xanten Dietzel Verfahren zum Herstellen einer Schlauchpreßhülse für die Hochdruckanwendung und Vorrichtung zum Durchführen dieses Verfahrens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1890039A (en) * 1930-12-26 1932-12-06 Max Ams Machine Co Shaping and flanging hachine
GB1075856A (en) * 1963-09-18 1967-07-12 Metal Containers Ltd An apparatus for forming a plurality of axially spaced beads in a hollow, substantially cylindrical sheet metal blank
NL8003140A (nl) * 1980-05-29 1982-01-04 Thomassen & Drijver Werkwijze en inrichting voor het vervaardigen van een busromp, aan ten minste een open einde voorzien van een buitenwaarts gerichte omtreksflens en een daarop aansluitende rondgaande vernauwing.

Also Published As

Publication number Publication date
ATE29847T1 (de) 1987-10-15
EP0131159A2 (fr) 1985-01-16
DE3466360D1 (en) 1987-10-29
NL8302057A (nl) 1985-01-02
EP0131159A3 (en) 1985-07-03

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