EP2295162B1 - Tool assembly for shaping the border of a tub on a metallic tub blank - Google Patents
Tool assembly for shaping the border of a tub on a metallic tub blank Download PDFInfo
- Publication number
- EP2295162B1 EP2295162B1 EP20090011694 EP09011694A EP2295162B1 EP 2295162 B1 EP2295162 B1 EP 2295162B1 EP 20090011694 EP20090011694 EP 20090011694 EP 09011694 A EP09011694 A EP 09011694A EP 2295162 B1 EP2295162 B1 EP 2295162B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frame
- tool
- clamping plate
- embossing
- hold
- 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.)
- Not-in-force
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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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
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- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/26—Deep-drawing for making peculiarly, e.g. irregularly, shaped articles
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- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/02—Die constructions enabling assembly of the die parts in different ways
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- 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
- B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
Definitions
- the invention relates to a tool assembly for forming a tub rim on a metallic tub blank according to the preamble of claim 1.
- a suitable tool assembly is eg in the US-A-2276052 disclosed.
- a tub blank is made of a flat metal plate having a trough-shaped depression which forms the tub space of a bathtub or the footprint of a shower tray has.
- the recess is surrounded on the upper side by a planar peripheral surface, which is formed in a subsequent forming step to a tub rim of the sanitary tub.
- the edge of the flat surface is bent at right angles and is formed in the plane surface a predetermined mirror surface tilt.
- Sanitary tubs are often manufactured in small series, which differ in terms of the outer dimension of the tub rim and / or in terms of the outer contour of the tub rim.
- a large number of forming tools must be provided. This is complex, and leads to the fact that in practice sanitary tubs can be produced economically only with a few variations and dimensions of the tub edges.
- the EP 1 946 687 A2 deals with a thermoforming of plastic trays and describes a suitable for the deep drawing of plastic trays variable pre-mold frame, which is composed of different and / or coordinated frame parts.
- the mold frame is fixed on a drawing plate and replaces a conventional thermoforming mold.
- a reshaped plastic plate is placed on the mold frame and by underside Applying a vacuum freely shaped.
- Over the mold frame protruding edges are bent at the outer periphery of the mold frame.
- a window frame is used, which pulls the plastic plate over the mold frame and fixed on the drawing plate.
- the known tool arrangement is not suitable for forming a metal plate.
- a suitable tool for forming a tub rim to a metallic tub blank tool assembly is known with a tool base, which has a first clamping plate and arranged on the first clamping plate Hochstellrahmen, and with a tool upper part having a second clamping plate and a second clamping plate arranged on the embossing frame.
- the raised frame is composed of several parts of strips and elbows and edged by a clamping frame formed from clamping strips.
- the embossing frame is composed of several parts of recupergerahmen instituten.
- the object underlying the invention is to improve the quality of the forming and to facilitate the removal of the workpiece from the tool after the forming. Furthermore, the tool arrangement be variably mountable from standard parts, so that can be made using the standard parts tub edges with different dimensions and different shapes.
- the tool arrangement according to the invention comprises a tool lower part, which has a first clamping plate, a raised frame arranged on the first clamping plate and an ejector plate inserted in the raised frame, and a tool upper part, a second clamping plate, a second clamping plate arranged on the embossing frame and at least one on the second Having clamping plate attached hold-down.
- the raising frame according to the invention consists of several parts of strips and elbows and edged by a clamping frame formed from clamping strips.
- the embossing frame is composed of several parts of recupergerahmenettin.
- the hold-down device is designed as a separate functional element which extends along a section of the embossing frame and presses the trough blank against the end face of the tilt-up frame. It goes without saying that as a rule a plurality of hold-downs are used whose number and positioning depends on the size of the tub blank and the outer shape of the tub rim. The hold-downs are used where large hold-down forces are required during the forming process. Preferably, a hold-down is arranged in each pan corner of the tub blank, in particular in each 90 ° corner.
- the hold-downs are as well as the elements from which the raising frame and the clamping frame are formed, formed as standard parts and together with these a mounting element set, the parts of which can be combined arbitrarily and application-oriented.
- the tool assembly is modular and designed for a single part and series production alike. In case of conversions the tool investment costs are low.
- the holding-down device belonging to the tool arrangement according to the invention is designed so that it encloses a corner of the embossing frame. It has a foot element which can be fastened to the second clamping plate, a vertically movable pressure element, vertical guides for the pressure element and force elements for generating a hold-down force acting on the pressure element.
- the force elements may consist of compression springs or hydraulic cylinder / piston assemblies.
- the embossing frame elements are inventively formed as a grid-shaped elements having a stepped skirting board, an upper end bar and the skirting board with the end bar connecting cross bars.
- the end webs of adjacent embossing frame elements can be connected to one another by plug connections.
- the end webs are expediently formed with pins and corresponding pin receptacles.
- Intermediate pieces can also be inserted between the grid-shaped embossing frame elements, which are connected by plug connections to the end webs of the grid-shaped embossing frame elements.
- the foot element of the hold-down covers the stepped footing of the embossing frame elements and braces the embossing frame elements with the second clamping plate clamped.
- the hold-down not only fulfills its hold-down function but also a clamping function for the embossing frame in the upper part of the tool.
- the moldings and angle pieces forming the raising frame of the tool lower part are expediently connectable to one another by plug connections. They also have a step surface which cooperates with the clamping bars. The tensioning strips overlap the step surface of the strips and elbows forming the raising frames and clamp the raising frame with the first clamping plate.
- Both the first clamping plate and the second clamping plate are preferably provided in the longitudinal and transverse directions with grooves for mounting the Hochstellrahmen or the embossing frame forming parts. At least part of the raising frame or the embossing frame forming elements are adjustable along the grooves. By adjusting movements, the connections between the parts can be made.
- the first clamping plate is preferably formed as a perforated plate. Through the openings of the first clamping plate inserted in the Hochstellrahmen ejector plate is accessible on the underside and can be dug by ram or similar Auswerferieri from the raised frame.
- the ejector plate forms an abutment for the tub rim.
- the mirror surface slope of the tub rim can be formed.
- the ejector plate expediently on projections for centering the tub blank.
- Fig. 1 illustrated tool assembly is used to reshape a tub rim to a metallic tub blank 1 and includes a lower tool part 2 and a tool upper part 3 for use in a forming press, not shown.
- the lower tool part 2 has a first clamping plate 4, a raised frame 5 arranged on the first clamping plate 4, and an ejector plate 6 inserted in the raised frame.
- the first clamping plate 4 can be fastened on a further carrier 7 or on the press table of a forming press.
- the upper tool part 3 has a second clamping plate 8, a stamping frame 9 arranged on the second clamping plate and at least one blank holder 10 fastened to the second clamping plate.
- the second clamping plate 8 is held on a support structure 11 or the press ram of a forming press, not shown.
- a metallic tub blank 1 is placed, which already has a trough-shaped depression and a flat metal surface 12 surrounding the recess.
- the upper part of the tool 3 performs a vertical adjusting movement against the lower part of the tool 2, the embossing frame 9 of the upper part 3 of the tool dipping into the raising frame 5 of the lower part 2 of the mold.
- This adjusting movement is in Fig. 4 shown.
- Fig. 4 one takes also that the hold-10 acts against the end face of the raising frame 5 and in the Fig. 4 not shown tub blank against the end face of the raising frame 5 presses.
- the Fig. 1 and 2 show the tub blank 1 after the forming of the tub rim 13th
- the raising frame 5 is composed of several parts of strips 14 and angle pieces 15 and edged by a clamping frame 16 formed from clamping bars 17.
- the assembly is in the Fig. 5a to 5e shown.
- a comparative presentation of Fig. 5a and 5b one takes that, by displacement of strips and elbows along the grooves 18, the connectors can be made.
- clamping strips 16 are used, which engage over a step surface 19 of the raising frame 5 forming strips 14 and angle pieces 15 and the raising frame 5 with the first clamping plate 4 brace ( Fig. 6 ).
- a comparative consideration of Fig. 5c and 5d takes one that the clamping bars 16 are also connected frame-shaped by connectors, which can be mounted by moving the clamping bars 16 relative to each other different sized clamping frame 17.
- the embossing frame 9 of the upper tool part 3 is composed of several parts of recuperatorn 20, which are formed as grid-shaped elements.
- the representations in the Fig. 7a and 7b If one deduces that the embossing frame elements 20 has a stepped skirt 21, an upper end web 22 and the skirting board with the end web connecting cross bars 23.
- the end webs 22 of adjacent embossing frame elements can be connected to one another by plug connections and have corresponding pins and corresponding pin receptacles for this purpose.
- intermediate pieces 24 can also be inserted between the grid-shaped embossing frame elements 20, which can be connected by plug connections to the end webs 22 of the lattice-shaped embossing frame elements 20.
- 24 stamping frame 9 different size can be formed from standard parts.
- the second clamping plate 8 has longitudinally and transversely aligned grooves 18 'for mounting the embossing frame elements 20. From a comparative analysis of the Fig. 7b and 7c It is clear that procurgahmenimplantation along the grooves 18 'can be moved and thereby the connectors are produced.
- the hold-downs 10 each include a corner of the embossing frame 9 and have the in Fig. 9 shown construction. They have a foot element 25 which can be fastened to the second clamping plate 8, a vertically movable pressure element 26, vertical guides 27 for the pressure element 26 and force elements 28 for generating a hold-down force acting on the pressure element 26.
- the force elements 28 are in the embodiment of hydraulic cylinder / piston assemblies. However, compression springs can also be used as force elements 28.
- Fig. 9 clearly that the foot member 25 of the hold-down 10, the stepped skirt 21 of the embossing frame elements 20 covers and clamped the procurgahmenimplantation 20 with the second clamping plate 8.
- Hochstellrahmen and embossing frame have been shown, which have a rectangular plan.
- frame frame embossing frame having a deviating from the rectangular shape floor plan.
- the tool assembly is therefore also suitable for forming tub edges on shower and bathtubs, which are intended for a corner installation and have a hexagonal floor plan or a floor plan with an arch, for example.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Description
Die Erfindung betrifft eine Werkzeuganordnung zum Umformen eines Wannenrandes an einem metallischen Wannenrohling gemäß dem Oberbegriff des Patentanspruchs 1. Eine dazu geeignete Werkzeuganordnung ist z.B. in der
Die Formgebung von Sanitärwannen annen erfolgt in mehreren Umformsc ritten. Zunächst wird aus einer ebenen Metallplatte ein Wannenrohling gefertigt, der eine muldenförmige Vertiefung, welche den Wannenraum einer Badewanne oder die Standfläche einer Duschwanne bildet, aufweist. Die Vertiefung ist oberseitig von einer planen Umfangsfläche umgeben, die in einem folgenden Umformschritt zu einem Wannenrand der Sanitärwanne umgeformt wird. Dazu wird der Rand der ebenen Fläche rechtwinklig umgebogen und wird in die plane Fläche eine vorgegebene Spiegelflächenneigung eingeformt.The design of Sanitärwannen annen takes place in several Umformsc rides. First, a tub blank is made of a flat metal plate having a trough-shaped depression which forms the tub space of a bathtub or the footprint of a shower tray has. The recess is surrounded on the upper side by a planar peripheral surface, which is formed in a subsequent forming step to a tub rim of the sanitary tub. For this purpose, the edge of the flat surface is bent at right angles and is formed in the plane surface a predetermined mirror surface tilt.
Sanitärwannen werden häufig in kleinen Serien gefertigt, die sich hinsichtlich der Außenabmessung des Wannenrandes und/oder hinsichtlich der äußeren Kontur des Wannenrandes unterscheiden. Für die Umformung unterschiedlich großer sowie unterschiedlich ausgebildeter Wannenränder müssen eine Vielzahl von Umformwerkzeugen bereitgestellt werden. Dies ist aufwändig, und führt dazu, dass in der Praxis Sanitärwannen nur mit wenigen Variationen und Abmessungen der Wannenränder wirtschaftlich herstellbar sind.Sanitary tubs are often manufactured in small series, which differ in terms of the outer dimension of the tub rim and / or in terms of the outer contour of the tub rim. For the conversion of differently sized and differently designed tub edges, a large number of forming tools must be provided. This is complex, and leads to the fact that in practice sanitary tubs can be produced economically only with a few variations and dimensions of the tub edges.
Die
Aus
Ausgehend von einer Werkzeuganordnung mit den aus
Gegenstand der Erfindung und Lösung dieser Aufgabe ist eine Werkzeuganordnung nach Anspruch 1.The object of the invention and solution of this problem is a tool assembly according to
Die erfindungsgemäße Werkzeuganordnung umfasst ein Werkzeugunterteil, das eine erste Spannplatte, einen auf der ersten Spannplatte angeordneten Hochstellrahmen sowie eine in den Hochstellrahmen eingelegte Auswerferplatte aufweist, sowie ein Werkzeugoberteil, das eine zweite Spannplatte, einen auf der zweiten Spannplatte angeordneten Prägerahmen sowie mindestens einen an der zweiten Spannplatte befestigten Niederhalter aufweist. Der Hochstellrahmen ist erfindungsgemäß mehrteilig aus Leisten und Winkelstücken zusammengesetzt und von einem aus Spannleisten gebildeten Spannrahmen eingefasst. Der Prägerahmen ist mehrteilig aus Prägerahmenelementen zusammengesetzt. Der Niederhalter ist als separates Funktionselement ausgebildet, das sich entlang eines Abschnittes des Prägerahmens erstreckt und den Wannenrohling gegen die Stirnfläche des Hochstellrahmens drückt. Es versteht sich, dass im Regelfall eine Mehrzahl von Niederhaltern verwendet werden, deren Anzahl und Positionierung abhängig ist, von der Größe des Wannenrohlings sowie der Außenform des Wannenrandes. Die Niederhalter werden dort eingesetzt, wo große Niederhalterkräfte während des Umformprozesses erforderlich sind. Vorzugsweise wird in jeder Wannenecke des Wannenrohlings, insbesondere in jeder 90°-Ecke, ein Niederhalter angeordnet. Die Niederhalter sind ebenso wie die Elemente, aus denen der Hochstellrahmen sowie der Spannrahmen gebildet werden, als Standardteile ausgebildet und bilden zusammen mit diesen einen Montageelementensatz, dessen Teile beliebig und anwendungsorientiert kombiniert werden können. Die Werkzeuganordnung ist modular aufgebaut und für eine Einzelteil- und Serienproduktion gleichermaßen ausgelegt. Bei Umrüstungen sind die Werkzeuginvestkosten gering.The tool arrangement according to the invention comprises a tool lower part, which has a first clamping plate, a raised frame arranged on the first clamping plate and an ejector plate inserted in the raised frame, and a tool upper part, a second clamping plate, a second clamping plate arranged on the embossing frame and at least one on the second Having clamping plate attached hold-down. The raising frame according to the invention consists of several parts of strips and elbows and edged by a clamping frame formed from clamping strips. The embossing frame is composed of several parts of Prägerahmenelementen. The hold-down device is designed as a separate functional element which extends along a section of the embossing frame and presses the trough blank against the end face of the tilt-up frame. It goes without saying that as a rule a plurality of hold-downs are used whose number and positioning depends on the size of the tub blank and the outer shape of the tub rim. The hold-downs are used where large hold-down forces are required during the forming process. Preferably, a hold-down is arranged in each pan corner of the tub blank, in particular in each 90 ° corner. The hold-downs are as well as the elements from which the raising frame and the clamping frame are formed, formed as standard parts and together with these a mounting element set, the parts of which can be combined arbitrarily and application-oriented. The tool assembly is modular and designed for a single part and series production alike. In case of conversions the tool investment costs are low.
Der zur erfindungsgemäßen Werkzeuganordnung gehörende Niederhalter ist so ausgebildet, dass er eine Ecke des Prägerahmens einfasst. Er weist ein an der zweiten Spannplatte befestigbares Fußelement, ein vertikal bewegliches Andruckelement, Vertikalführungen für das Andruckelement sowie Kraftelemente zur Erzeugung einer auf das Andruckelement wirkenden Niederhaltekraft auf. Die Kraftelemente können aus Druckfedern oder hydraulischen Zylinder-/Kolbenanordnungen bestehen.The holding-down device belonging to the tool arrangement according to the invention is designed so that it encloses a corner of the embossing frame. It has a foot element which can be fastened to the second clamping plate, a vertically movable pressure element, vertical guides for the pressure element and force elements for generating a hold-down force acting on the pressure element. The force elements may consist of compression springs or hydraulic cylinder / piston assemblies.
Die Prägerahmenelemente sind erfindungsgemäß als gitterförmige Elemente ausgebildet, die eine gestufte Fußleiste, einen oberen Abschlusssteg und die Fußleiste mit dem Abschlusssteg verbindende Querstäbe aufweist. Die Abschlussstege benachbarter Prägerahmenelemente sind durch Steckverbindungen miteinander verbindbar. Zu diesem Zweck sind die Abschlussstege zweckmäßig mit Zapfen und korrespondierenden Zapfenaufnahmen ausgebildet. Zwischen den gitterförmigen Prägerahmenelementen sind auch Zwischenstücke einfügbar, die durch Steckverbindungen an die Abschlussstege der gitterförmigen Prägerahmenelemente angeschlossen sind.The embossing frame elements are inventively formed as a grid-shaped elements having a stepped skirting board, an upper end bar and the skirting board with the end bar connecting cross bars. The end webs of adjacent embossing frame elements can be connected to one another by plug connections. For this purpose, the end webs are expediently formed with pins and corresponding pin receptacles. Intermediate pieces can also be inserted between the grid-shaped embossing frame elements, which are connected by plug connections to the end webs of the grid-shaped embossing frame elements.
Das Fußelement des Niederhalters überfasst die gestufte Fußleiste der Prägerahmenelemente und verspannt die Prägerahmenelemente mit der zweiten Spannplatte verspannt. Insofern erfüllt der Niederhalter nicht nur seine Niederhalterfunktion sondern ebenso eine Spannfunktion für den Prägerahmen im Werkzeugoberteil.The foot element of the hold-down covers the stepped footing of the embossing frame elements and braces the embossing frame elements with the second clamping plate clamped. In this respect, the hold-down not only fulfills its hold-down function but also a clamping function for the embossing frame in the upper part of the tool.
Die den Hochstellrahmen des Werkzeugunterteils bildenden Leisten und Winkelstücke sind zweckmäßig durch Steckverbindungen miteinander verbindbar. Sie weisen ferner eine Stufenfläche auf, die mit den Spannleisten zusammenwirkt. Die Spannleisten übergreifen die Stufenfläche der den Hochstellrahmen bildenden Leisten und Winkelstücke und verspannen den Hochstellrahmen mit der ersten Spannplatte.The moldings and angle pieces forming the raising frame of the tool lower part are expediently connectable to one another by plug connections. They also have a step surface which cooperates with the clamping bars. The tensioning strips overlap the step surface of the strips and elbows forming the raising frames and clamp the raising frame with the first clamping plate.
Sowohl die erste Spannplatte als auch die zweite Spannplatte sind vorzugsweise in Längs- und Querrichtung mit Nuten zur Montage der den Hochstellrahmen bzw. den Prägerahmen bildenden Teile versehen. Zumindest ein Teil der den Hochstellrahmen bzw. den Prägerahmen bildenden Elemente sind entlang der Nuten verstellbar. Durch Stellbewegungen können die Steckverbindungen zwischen den Teilen hergestellt werden.Both the first clamping plate and the second clamping plate are preferably provided in the longitudinal and transverse directions with grooves for mounting the Hochstellrahmen or the embossing frame forming parts. At least part of the raising frame or the embossing frame forming elements are adjustable along the grooves. By adjusting movements, the connections between the parts can be made.
Die erste Spannplatte ist vorzugsweise als Lochplatte ausgebildet. Durch die Öffnungen der ersten Spannplatte ist die in den Hochstellrahmen eingelegte Auswerferplatte unterseitig zugänglich und kann durch Stößel oder ähnliche Auswerferelemente aus dem Hochstellrahmen ausgehoben werden.The first clamping plate is preferably formed as a perforated plate. Through the openings of the first clamping plate inserted in the Hochstellrahmen ejector plate is accessible on the underside and can be dug by ram or similar Auswerferelemente from the raised frame.
Die Auswerferplatte bildet ein Widerlager für den Wannenrand. Durch eine oberseitige Formgebung der Auswerferplatte kann die Spiegelflächenneigung des Wannenrandes geformt werden. Zusätzlich weist die Auswerferplatte zweckmäßig Vorsprünge zur Zentrierung des Wannenrohlings auf.The ejector plate forms an abutment for the tub rim. By an upper-side shaping of the ejector, the mirror surface slope of the tub rim can be formed. In addition, the ejector plate expediently on projections for centering the tub blank.
Im Folgenden wird die Erfindung anhand eines Ausführungsbeispieles erläutert. Es zeigen schematisch:
- Fig. 1
- eine Explosionsdarstellung einer Werkzeuganordnung bestehend aus einem Werkzeugunterteil und einem Werkzeugoberteil,
- Fig. 2
- eine perspektivische Darstellung des Werkzeugunterteils,
- Fig. 3
- eine perspektivische Darstellung des Werkzeugoberteils,
- Fig. 4
- einen Schnitt durch die in
Fig. 1 dargestellte Werkzeuganordnung, - Fig. 5a bis 5e
- Montageschritte beim Aufbau des Werkzeugunterteils,
- Fig. 6
- eine Detaildarstellung des Werkzeugunterteils,
- Fig. 7a bis 7e
- Montageschritte beim Aufbau des Werkzeugoberteils,
- Fig. 8
- das Werkzeugoberteil zur Umformung eines Wannenrandes, der andere Abmessungen aufweist,
- Fig. 9
- einen Niederhalter des Werkzeugoberteils.
- Fig. 1
- an exploded view of a tool assembly consisting of a tool lower part and a tool upper part,
- Fig. 2
- a perspective view of the tool lower part,
- Fig. 3
- a perspective view of the tool shell,
- Fig. 4
- a section through the in
Fig. 1 illustrated tool arrangement, - Fig. 5a to 5e
- Assembly steps in the construction of the tool lower part,
- Fig. 6
- a detailed representation of the tool lower part,
- Fig. 7a to 7e
- Assembly steps in the construction of the tool shell,
- Fig. 8
- the upper part of the tool for reshaping a rim of a bath having other dimensions,
- Fig. 9
- a hold-down of the tool shell.
Die in
Die zweite Spannplatte 8 ist auf einer Trägerkonstruktion 11 oder dem Pressenstempel einer nicht dargestellten Umformpresse gehalten.The
Auf das Werkzeugunterteil 2 wird ein metallischer Wannenrohling 1 aufgelegt, der bereits eine wannenförmige Vertiefung sowie eine die Vertiefung umgebende ebene Metallfläche 12 aufweist. Zur Umformung des Wannenrandes führt das Werkzeugoberteil 3 eine vertikale Stellbewegung gegen das Werkzeugunterteil 2 aus, wobei der Prägerahmen 9 des Werkzeugoberteils 3 in den Hochstellrahmen 5 des Werkzeugunterteils 2 eintaucht. Diese Stellbewegung ist in
Der Hochstellrahmen 5 ist mehrteilig aus Leisten 14 und Winkelstücken 15 zusammengesetzt und von einem aus Spannleisten 16 gebildeten Spannrahmen 17 eingefasst. Die Montage ist in den
Der Prägerahmen 9 des Werkzeugoberteils 3 ist mehrteilig aus Prägerahmenelementen 20 zusammengesetzt, die als gitterförmige Elemente ausgebildet sind. Den Darstellungen in den
Nach dem Aufbau des Prägerahmens 9 werden in den Eckbereichen des Prägerahmens Niederhalter 10 montiert, die als separate Funktionselemente ausgebildet sind und sich jeweils entlang eines Abschnittes des Prägerahmens 9 erstrecken. Einer vergleichenden Betrachtung der
Die Niederhalter 10 fassen jeweils eine Ecke des Prägerahmens 9 ein und haben den in
In den Ausführungsbeispielen sind Hochstellrahmen und Prägerahmen dargestellt worden, die einen rechteckförmigen Grundriss aufweisen. Durch entsprechend geformte Teile können jedoch ohne weiteres auch Hochstellrahmen und Prägerahmen gebildet werden, die einen von der Rechteckform abweichenden Grundriss aufweisen. Die Werkzeuganordnung ist daher auch zum Umformen von Wannenrändern an Dusch- und Badewannen geeignet, die für einen Übereckeinbau bestimmt sind und einen beispielsweise sechseckförmigen Grundriss oder einen Grundriss mit einem Bogen aufweisen.In the embodiments Hochstellrahmen and embossing frame have been shown, which have a rectangular plan. By appropriately shaped parts but can also be readily formed and frame frame embossing frame having a deviating from the rectangular shape floor plan. The tool assembly is therefore also suitable for forming tub edges on shower and bathtubs, which are intended for a corner installation and have a hexagonal floor plan or a floor plan with an arch, for example.
Claims (7)
- A tool arrangement for purposes of forming a tub edge on a metallic tub blank, with- a tool lower part (2), which has a first clamping plate (4), and an elevating frame (5) arranged on the first clamping plate (4), and- a tool upper part (3), which has a second clamping plate (8) and an embossing frame (9) arranged on the second clamping plate (8), wherein
the multi-part elevating frame (5) is composed of bars (14) and angle pieces (15) and is surrounded by a clamping frame (17) formed from clamping bars (16), and wherein the multi-part embossing frame (9) is composed of embossing frame elements (20), characterised in that
the tool lower part (2) encompasses an ejector plate (6) inserted into the elevating frame (5),
in that the tool upper part (3) has at least one hold-down device (10) secured on the second clamping plate (8), wherein the hold-down device (10) is designed as a separate functional element, which surrounds a corner of the embossing frame (9) and presses the tub blank against the end face of the elevating frame (5),
in that the embossing frame elements (20) are designed in the form of a grid, which has a stepped footboard (21), an upper end web (22) and the footboard (21) has transverse bars (23) connecting with the end web (22), wherein the end webs (22) of adjacent embossing frame elements can be connected with one another by means of plug-in connections, and
that the hold-down device (10) has a foot element (25) that can be secured to the second clamping plate (8), a vertically movable pressure application element (26), vertical guides (27) for the pressure application element (26), and force elements (28) for purposes of generating a hold-down force acting on the pressure application element (26), wherein the foot element (25) of the hold-down device (10) fits over the embossing frame elements (20) assigned to the stepped footboard (21) and clamps the assigned embossing frame elements (20) to the second clamping plate (18). - The tool arrangement in accordance with Claim 1, characterised in that the force elements (28) of the hold-down device (10) consist of compression springs or hydraulic cylinder/piston arrangements.
- The tool arrangement in accordance with Claim 1 or 2, characterised in that intermediate pieces (24) are introduced between the grid-form embossing frame elements (20); these are connected by means of plug-in connections to the upper end webs (22) of the grid-form embossing frame elements (20).
- The tool arrangement in accordance with one of the Claims 1 to 3, characterised in that the bars (14) and angle pieces (15) forming the elevating frame (5) of the tool lower part (2) can be connected with one another by means of plug-in connections.
- The tool arrangement in accordance with one of the Claims 1 to 4, characterised in that the clamping bars (16) overlap a stepped surface of the bars (14) and angle pieces (15) forming the elevating frame (5), and clamp the elevating frame (5) to the first clamping plate (4).
- The tool arrangement in accordance with one of the Claims 1 to 5, characterised in that the clamping plates (4, 8) are fitted with grooves (18, 18') in the longitudinal and transverse directions for purposes of assembly of the parts forming the elevating frame (5) and the embossing frame (9).
- The tool arrangement in accordance with one of the Claims 1 to 6, characterised in that the first clamping plate (4) is designed as a perforated plate.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20090011694 EP2295162B1 (en) | 2009-09-12 | 2009-09-12 | Tool assembly for shaping the border of a tub on a metallic tub blank |
ES09011694T ES2444420T3 (en) | 2009-09-12 | 2009-09-12 | Useful arrangement for forming a cuvette edge in a metal cuvette blank |
PT09011694T PT2295162E (en) | 2009-09-12 | 2009-09-12 | Tool assembly for shaping the border of a tub on a metallic tub blank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20090011694 EP2295162B1 (en) | 2009-09-12 | 2009-09-12 | Tool assembly for shaping the border of a tub on a metallic tub blank |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2295162A1 EP2295162A1 (en) | 2011-03-16 |
EP2295162B1 true EP2295162B1 (en) | 2013-11-13 |
Family
ID=41650425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20090011694 Not-in-force EP2295162B1 (en) | 2009-09-12 | 2009-09-12 | Tool assembly for shaping the border of a tub on a metallic tub blank |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2295162B1 (en) |
ES (1) | ES2444420T3 (en) |
PT (1) | PT2295162E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022114727A1 (en) | 2022-06-10 | 2024-01-04 | Franz Kaldewei Gmbh & Co. Kg | Method for producing a sanitary component |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2669025A4 (en) * | 2011-01-28 | 2014-07-30 | Toyota Motor Co Ltd | Press forming dies |
CN105798099A (en) * | 2016-06-03 | 2016-07-27 | 昆山达亚汽车零部件有限公司 | Forming technology for skylight reinforcing plate |
DE102017121932A1 (en) * | 2017-09-21 | 2019-03-21 | Franz Kaldewei Gmbh & Co. Kg | Process for the production of a sanitary tub made of sheet metal and plant for carrying out the process |
CN108746291A (en) * | 2018-05-15 | 2018-11-06 | 芜湖君如保温材料有限公司 | A kind of boxboard crimping unit of assembled water tank |
CN110280663B (en) * | 2019-07-08 | 2020-12-15 | 湘潭大学 | Top cap inner panel stamping die |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US851630A (en) * | 1905-07-22 | 1907-04-23 | Eugene H Sloman | Machine for drawing sheet-metal vessels. |
US2276052A (en) | 1939-03-06 | 1942-03-10 | Harvey B Lindsay | Forming-die apparatus |
US2421457A (en) * | 1945-03-05 | 1947-06-03 | Lindsay Corp | Die plate for flanging metallic sheets of variable size |
DE2601423A1 (en) * | 1976-01-15 | 1977-07-21 | Uniplanung Gmbh & Co Kg | Deep drawing stainless steel sink bowls - using two draws and tools preventing tearing of the steel sheet |
DE202007001007U1 (en) | 2007-01-17 | 2008-02-28 | Altura Leiden Holding B.V. | Apparatus for producing a bowl-shaped element, in particular a shower tray, and such an element |
DE102007023269A1 (en) * | 2007-05-18 | 2008-11-20 | Bayerische Motoren Werke Aktiengesellschaft | Drawing tool for production of 3-dimentional sheets, especially of body structural parts, has functional surface and at least one profiled fillet, is useful in motor vehicle body production, is simple to produce and shortens clock time |
-
2009
- 2009-09-12 PT PT09011694T patent/PT2295162E/en unknown
- 2009-09-12 EP EP20090011694 patent/EP2295162B1/en not_active Not-in-force
- 2009-09-12 ES ES09011694T patent/ES2444420T3/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022114727A1 (en) | 2022-06-10 | 2024-01-04 | Franz Kaldewei Gmbh & Co. Kg | Method for producing a sanitary component |
Also Published As
Publication number | Publication date |
---|---|
ES2444420T3 (en) | 2014-02-25 |
PT2295162E (en) | 2014-02-17 |
EP2295162A1 (en) | 2011-03-16 |
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