EP1272294A1 - Hemming unit - Google Patents

Hemming unit

Info

Publication number
EP1272294A1
EP1272294A1 EP01917074A EP01917074A EP1272294A1 EP 1272294 A1 EP1272294 A1 EP 1272294A1 EP 01917074 A EP01917074 A EP 01917074A EP 01917074 A EP01917074 A EP 01917074A EP 1272294 A1 EP1272294 A1 EP 1272294A1
Authority
EP
European Patent Office
Prior art keywords
drive
brothel
head
frame
tools
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.)
Withdrawn
Application number
EP01917074A
Other languages
German (de)
French (fr)
Inventor
Wilhelm Steinhart
Marius Jakob
Erich Wiessensz
Konrad Liepert
Manfred Irlsperger
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.)
KUKA Systems GmbH
Original Assignee
KUKA Schweissanlagen GmbH
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 KUKA Schweissanlagen GmbH filed Critical KUKA Schweissanlagen GmbH
Publication of EP1272294A1 publication Critical patent/EP1272294A1/en
Withdrawn legal-status Critical Current

Links

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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • B21D39/021—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors

Definitions

  • the invention relates to an on-board unit with the features in the preamble of the main claim.
  • Such a tabletop board unit is known from EP-A-0 820 822.
  • This Bordelemheit consists of a frame with a rotatably mounted and driven rotating or tilting part, on which in turn a sliding part is guided slowly and connected to a generation of the Bordelhub with a Bordelantrieb.
  • the sliding part carries a brothel head, on which several brothel tools in the form of brothel strips are arranged rigidly and one above the other.
  • the rotary drive and the flange drive each have hydraulic cylinders.
  • EP-A-0 924 005 shows a similar on-board unit, in which the pre-and finished-strip steel of a linear unit are fastened, which can be moved up and down via an electromotive spindle drive. The entire unit can also be pivoted back and forth on the frame between a front working position and a rear rest or release position by means of a pivot drive.
  • the curb drive in this citation has an electric reduction motor with a toothed belt and a spindle drive.
  • WO-A-99/37418 shows another Bordelemheit with a turret head designed as a turret head, which carries two brothel strips arranged on different sides of the head, which are changed by a turret rotation at an angle of approximately 110 °.
  • the brothel head is with one Sliding part connected, which in turn is mounted on a tilting part.
  • a toggle lever drive With a toggle lever drive, the swiveling infeed movement and the subsequent bristle stroke are carried out in a combined movement in succession.
  • GB-A-958 673 discloses a further variant of a brothel unit which is equipped with a bristle head which is pivotably guided by means of a parallelogram gear and carries out a pivoting brothel lift.
  • the bunching tools are partly movably mounted on the bunching head and are replaced by an additional drive.
  • the brothel tools are rigidly arranged on a bristle head, which is designed as an independently stored and driven pure tilting or swiveling part.
  • the flanging tools are changed in one case by a linear positioning stroke of the brothel bed and in the other case by a swiveling movement of the flanging head equipped with a link mechanism.
  • the claimed brothel unit has the advantage that it is simpler and more precise than the previously known designs.
  • the positioning accuracy of the flanging tools compared to the workpiece is improved.
  • only the small and light-weight brothel head needs to be moved with the bristle tools and not the entire brothel unit.
  • the Bordelantrieb can on the rigidly connectable to the machine table frame of the Ur. ⁇ Bordelvenez use it to support a rigid bearing.
  • the brothel unit can be attached to the machine table in any inclined position without any loss of stability, so that the bristle lift can be carried out essentially perpendicular to the bristle edge on the workpiece.
  • the brothel head can be designed as a stable rib construction, the bristle tools being arranged on a tool carrier on the front. Their attachment is easily accessible from the back, so that the tools can be exchanged quickly and easily.
  • the on-board unit is modular in a particularly advantageous manner.
  • the frame with the slide is a unitary part that can remain the same for all sizes and areas of application of the bordel unit.
  • the brothel unit is not only particularly economical and easy to use. It also offers special advantages in terms of precision. Due to the precise fixed mounting of the frame of the brothel unit on the machine table and the precise guidance of the slide on the frame, the brothel head can be very precise with its
  • Edging tools can be processed with high precision and according to the data set of the workpieces. Further advantageous embodiments of the invention are specified in the subclaims.
  • Figure 1 a side view of the brothel unit in
  • Figure 2 is a perspective view of the brothel unit in the tilted rest position obliquely from the front according to arrow II of Figure 1 without
  • FIG. 3 a perspective rear view of the brothel unit from FIG. 2.
  • the drawings show a brothel unit (1) which is preferably used for outboarding workpieces (not shown), but which can alternatively also be used with corresponding adaptation to the inboard.
  • the bunching unit (1) is generally mounted next to one another on the outer circumference of the workpiece on a machine table (2) of the bunching machine with several other similar bunching units (1).
  • the workpiece support or the so-called brothel bed (3) for the workpiece is located on the machine table (2).
  • the entire bordering machine can also have suitable hold-down devices, tensioners, additional other Bordelvor ⁇ chtitch and the like other components that are not shown for the sake of clarity.
  • the brothel unit (1) consists of a sliding part (5), a tilting part (4) with one or more bristle tools (8, 9), a toggle drive (17) and a bristle drive (6).
  • the tilting part (4) is pivotally mounted on the sliding part (5) and preferably performs a limited, simple tilting movement between the working and rest positions.
  • the sliding part (5) together with the tilting part (4) in the working position can be translationally displaced in the bunching direction relative to the stationary machine table (2) or bordel bed (3) via the bordel drive (6).
  • the likewise linear positioning movement is carried out with the flange drive (6), with which the flange tools (8, 9) with the tilting part (4) pivoted away in the rest position are brought alternately into the required height position relative to the workpiece.
  • the tilting part (4) is designed as a brothel head (7) and consists of a supporting structure with several ribs (12), which are shown in FIGS. 1 and 3. At the
  • the bordel head (7) carries a plate-shaped tool carrier (10), on the front of which the bordel tools (8, 9) are fastened in an exact position.
  • the tool carrier (10) can be rigidly attached to the supporting structure. Alternatively, it can also be arranged in a detachable and interchangeable manner and can be positioned precisely.
  • the e.g. Flanged tools (8, 9) designed as pre-border strips and finished border strips and arranged in suitable grooves one above the other on the tool carrier (10) have an attachment (11) which is accessible from the rear of the tool carrier (10) and which e.g. can consist of screw connections with suitable dowel pins and the like other precise positioning means.
  • the front board and finished brothel strips (8.9) have suitable border profiles on the front.
  • the brothel head (7) carries a swivel bearing (18) on the underside of the supporting structure, with which it is rotatably and interchangeably attached to the sliding part (5).
  • the tilting drive (17) is articulated on the rear side thereof, which has a suitable drive element (21), preferably one hydraulic or pneumatic cylinder with pivot bearings at both ends.
  • the sliding part (5) consists of a stable frame (13) which e.g. on the underside of the machine table (2) by means of a receptacle or mounting surface (22) can be mounted precisely and rigidly.
  • a linear slide guide (15) with two strips on both sides is arranged on the frame, on which a slide (14) is guided so as to be translationally movable.
  • Carriage movements are generated via a carriage actuator (16), which also represents the flange drive (6).
  • the border or slide drive (6, 16) is supported on the frame (13).
  • the swivel bearing (18) for the bobbin head (7) is arranged via a suitable rear cranking.
  • the tilt drive (17) for the brothel head (7) jozw. whose cylinder (21) is supported with his ⁇ nae ate on the sledge (14).
  • the brothel or slide drive (6, 16) also has a suitable drive element (21), preferably a pneumatic or hydraulic cylinder, which is arranged within the frame (13) and works in the direction of the slide guide (15).
  • the direction of guidance is also the direction of the brothel and
  • the frame (13) is attached to the underside of the machine table (2) in such a way that the slide guide (15) and thereby the bristle and positional lift extend vertically downwards to the table level.
  • This assembly position can be changed in any way by mounting the frame (13) on the machine table (2) using freely inclined receptacles corresponding to freely selectable angular positions. Accordingly, the direction of the brothel stroke changes with the mounting angle. This is for example advantageous in certain workpiece geometries to Bordelhub substantially perpendicular to the Bordelkante Who stuck wi ke to let n.
  • one or more adjustable fixed system (23) are available, which limit the pivoting movement to the front of the workpiece hm.
  • a stop (23) is e.g. shown in Figure 1 and acts between a high approach to the carriage (14) and the underside of the brothel head (7).
  • FIG. 1 shows the fixed stop (19) positioned further up for the finished flanging stroke.
  • the pre-border strip (8) is arranged above the finished border strip (9).
  • the second fixed stop (20; for the pre-flanging stroke is located at a correspondingly lower position on the frame (13).
  • the fixed stop (19) can be arranged on the frame (13) or on the machine table (2) and against a corresponding stop part on the flange head (7) act, which is only effective when the brothel head (7) is at the appropriate height in the working position.
  • the second fixed stop (20 acts against a stop part on the slide (1-).
  • the Bordelan drive (6) or the Scnl ⁇ ttenantr_eo (16) assumes the stroke movements during pre- and Fertigbordeln as AuCN the corresponding positioning movements with which the iedlichen undersc h Bordel tools (8,9) are brought into the working position.
  • the bristle tools (8, 9) are pivoted backwards from the working position shown in FIG. 1 into the rest position shown in FIGS. 2 and 3. In this
  • the change of position of the flanging tools (8, 9) can be carried out by a corresponding lifting movement of the slide (14).
  • the fixed stop (19) also disengages.
  • the bristle head (7) can then be raised and lowered without collision with respect to the machine table (2) or the workpiece.
  • the bristle head (7) is moved downward after swiveling back until the overhead brim strip (8) comes up in the working position and is then pivoted back again into the working position by the tilt drive (17).
  • the arrangement and assignment of the bristle tools (8) on the tilting part (4) can be changed.
  • the number of brothel tools is also variable (8.9).
  • the constructive design and connection of the tilting part 4) is the cut part (5) va ⁇ aoei. Veranderoar are also the constructive design and ⁇ _e assembly of the sliding part (5) and its Coroonenten. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention relates to a hemming unit (1) consisting of a frame (13), a tilting part (4), a sliding part (5), a hemming drive mechanism (6) and a hemming head (7) with one or more hemming tools (8, 9). Said hemming head (7) is located on the tilting part (4), which is pivotably (18) mounted and driven (17) on the sliding part (5). Said sliding part (5) is connected to the hemming drive mechanism (6) and has a slide (14) which is guided (15) on the frame (13) in such a way that it travels. The hemming drive mechanism (6) is also the positioning drive mechanism for the hemming tools (8, 9) and has a drive element (21) which is located between the frame (13) and the slide (14). The tilting part (4) has a tilting drive mechanism (17) comprising a driving element (21) which is flexibly connected to the slide (14) and the hemming head (7) at both ends.

Description

BE SCHREIBUNG DESCRIPTION
BordelemheitBordelemheit
D e Erfindung betrifft eine Bordelemheit mit den Merkmalen im Oberbegriff des Hauptanspruches.The invention relates to an on-board unit with the features in the preamble of the main claim.
Eine solche Tabletop-Bordeleinheit ist aus der EP-A-0 820 822 bekannt. Diese Bordelemheit besteht aus einem Gestell mit einem daran drehbar gelagerten und angetriebenen Dreh- oder Kippteil, an dem wiederum ein Schiebeteil langsbeweglich gefuhrt und mit einem Bordelantrieb mit der Erzeugung des Bordelhubs verbunden ist. Das Schiebeteil tragt einen Bordelkopf, an dem mehrere Bordelwerkzeuge in Form von Bordelleisten starr und übereinander angeordnet sind. Der Drehantrieb und der Bordelantrieb besitzen jeweils hydraulische Zylinder.Such a tabletop board unit is known from EP-A-0 820 822. This Bordelemheit consists of a frame with a rotatably mounted and driven rotating or tilting part, on which in turn a sliding part is guided slowly and connected to a generation of the Bordelhub with a Bordelantrieb. The sliding part carries a brothel head, on which several brothel tools in the form of brothel strips are arranged rigidly and one above the other. The rotary drive and the flange drive each have hydraulic cylinders.
Die EP-A-0 924 005 zeigt eine ähnliche Bordelemheit, bei der die Vor- und und Fertigbordelstahle einer Lineareinheit befestigt sind, welche über einen elektromotorischen Spindelantrieb auf- und abbewegt werden kann. Die ganze Einheit kann zudem mittels eines Schwenkantriebs zwischen einer vorderen Arbeitsstellung einer rückwärtigen Ruhe- oder Freigabestellung am Gestell hin- und hergeschwenkt werden. Im Unterschied zur vorgenannten EP-A-0 820 822 hat der Bordelantrieb bei dieser Entgegenhaltung einen elektrischen Untersetzungsmotor mit einem Zahnriemen und einem Spindelantrieb .EP-A-0 924 005 shows a similar on-board unit, in which the pre-and finished-strip steel of a linear unit are fastened, which can be moved up and down via an electromotive spindle drive. The entire unit can also be pivoted back and forth on the frame between a front working position and a rear rest or release position by means of a pivot drive. In contrast to the aforementioned EP-A-0 820 822, the curb drive in this citation has an electric reduction motor with a toothed belt and a spindle drive.
Die WO-A-99/37418 zeigt eine andere Bordelemheit mit einem als Revolverkopf ausgebildeten Bordelkopf, der zwei an verschiedenen Kopfseiten angeordnete Bordelleisten tragt, die durch eine Revolverdrehung mit einem Winkel von ca. 110° gewechselt werden. Der Bordelkopf ist mit einem Schiebeteil verbunden, welches wiederum an einem Kippteil gelagert ist. Mit einem Kniehebelantrieb werden in einer kombinierten Bewegung nacheinander die schwenkende Zustellbewegung und der nachfolgende Bordelhub ausgeführt.WO-A-99/37418 shows another Bordelemheit with a turret head designed as a turret head, which carries two brothel strips arranged on different sides of the head, which are changed by a turret rotation at an angle of approximately 110 °. The brothel head is with one Sliding part connected, which in turn is mounted on a tilting part. With a toggle lever drive, the swiveling infeed movement and the subsequent bristle stroke are carried out in a combined movement in succession.
Die GB-A-958 673 offenbart eine weitere Variante einer Bordeleinheit , die mit einem Bordelkopf ausgerüstet ist, der über ein Parallelogrammgetriebe schwenkbar gefuhrt ist und einen schwenkenden Bordelhub ausfuhrt. Die Bordelwerkzeuge sind zum Teil beweglich am Bordelkopf gelagert und werden durch einen Zusatzantrieb gewechselt.GB-A-958 673 discloses a further variant of a brothel unit which is equipped with a bristle head which is pivotably guided by means of a parallelogram gear and carries out a pivoting brothel lift. The bunching tools are partly movably mounted on the bunching head and are replaced by an additional drive.
Aus der DE-A-43 30 683 und der DE-A-197 47 292 sind ferner zwei Bordeleinheiten bekannt, bei denen der Bordelhub von der Werkzeugauflage bzw. vom Bordelbett ausgeführt wird. Die Bordelwerkzeuge sind starr an einem Bordelkopf angeordnet, der als eigenständig gelagertes und angetriebenes reines Kipp- oder Schwenkteil ausgebildet ist. Der Wechsel der Bördelwerkzeuge erfolgt im einen Fall durch einen linearen Positionierhub des Bordelbetts und im anderen Fall durch eine Schwenkbewegung des mit einem Lenkergetriebe ausgerüsteten Bordelkopfs.From DE-A-43 30 683 and DE-A-197 47 292 two brothel units are also known, in which the brothel lift is carried out by the tool rest or by the brothel bed. The brothel tools are rigidly arranged on a bristle head, which is designed as an independently stored and driven pure tilting or swiveling part. The flanging tools are changed in one case by a linear positioning stroke of the brothel bed and in the other case by a swiveling movement of the flanging head equipped with a link mechanism.
Es ist Aufgabe der vorliegenden Erfindung, eine andere verbesserte Bordeleinheit aufzuzeigen.It is an object of the present invention to show another improved brothel unit.
Die Erfindung lost diese Aufgabe mit den Merkmalen imThe invention solves this problem with the features in
Hauptanspruch .Main claim.
Die beanspruchte Bordeleinheit hat den Vorteil, dass sie einfacher und präziser als die vorbekannten Konstruktionen ist. Die Positioniergenauigkeit der Bordelwerkzeuge gegenüber dem Werkstuck ist verbessert. Außerdem braucht bei der Schwenkbewegung nur noch der klein und leicht bauende Bordelkopf mit den Bordelwerkzeugen und nicht mer.r die gesamte Bordeleinheit bewegt zu werden. Der Bordelantrieb kann sich an dem starr mit dem Maschinentisch verbindbaren Gestell der Bordeleinheit ur.α damit an einer starren Lagerung abstutzen. Zudem lasst sich die Bordeleinheit ohne Stabilitatsverluste in beliebigen Schräglagen am Maschinentisch anbauen, so dass der Bordelhub im wesentlichen senkrecht zur beaufschlagten Bordelkante am Werkstuck erfolgen kann.The claimed brothel unit has the advantage that it is simpler and more precise than the previously known designs. The positioning accuracy of the flanging tools compared to the workpiece is improved. In addition, when swiveling, only the small and light-weight brothel head needs to be moved with the bristle tools and not the entire brothel unit. The Bordelantrieb can on the rigidly connectable to the machine table frame of the Ur.α Bordeleinheit use it to support a rigid bearing. In addition, the brothel unit can be attached to the machine table in any inclined position without any loss of stability, so that the bristle lift can be carried out essentially perpendicular to the bristle edge on the workpiece.
Ein weiterer Vorteil besteht in der beliebigen Anpassbarkeit der Breite des Bordelkopfes, der sich auch auf einfache kostengünstige Weise austauschen lasst. Der Bordelkopf kann als stabile Rippenkonstruktion ausgebildet sein, wobei die Bordelwerkzeuge an einem frontseitigen Werkzeugträger angeordnet sind. Ihre Befestigung ist von der Ruckseite her problemlos zuganglich, so dass die Bordelwerkzeuge schnell und bequem ausgetauscht werden können.Another advantage is the adaptability of the width of the brothel head, which can also be exchanged in a simple, inexpensive manner. The brothel head can be designed as a stable rib construction, the bristle tools being arranged on a tool carrier on the front. Their attachment is easily accessible from the back, so that the tools can be exchanged quickly and easily.
Insgesamt ist die Bordelemheit in einer besonders vorteilhaften Weise modular aufgebaut. Das Gestell mit dem Schlitten ist ein Einheitsteil, das für alle Großen und Einsatzbereiche der Bordeleinheit gleich bleiben kann. Zur Anpassung an die verschiedenen Bordelaufgaben werden lediglich die Bordelkopfe geändert und ausgetauscht, wobei es genügen kann, die Werkzeughalter bzw. die Bordelwerkzeuge zu wechseln. Durch den modularen Aufbau ist die Bordeleinheit nicht nur besonders wirtschaftlich und einfach zu handhaben. Sie bietet auch besondere Vorteile hinsichtlich der Präzision. Durch die präzise Festmontage des Gestells der Bordeleinheit am Maschinentisch und die präzise Fuhrung des Schlittens am Gestell kann der Bordelkopf sehr genau mit seinenOverall, the on-board unit is modular in a particularly advantageous manner. The frame with the slide is a unitary part that can remain the same for all sizes and areas of application of the bordel unit. In order to adapt to the various tasks of brothel, only the bristle heads are changed and exchanged, it being sufficient to change the tool holder or the bristle tools. Thanks to the modular design, the brothel unit is not only particularly economical and easy to use. It also offers special advantages in terms of precision. Due to the precise fixed mounting of the frame of the brothel unit on the machine table and the precise guidance of the slide on the frame, the brothel head can be very precise with its
Bordelwerkzeugen gegenüber dem Maschinentisch und der Werkstuckauflage bzw. dem Werkstuck positioniert werden. Der austauschbare Bordelkopf ist ein relativ kleines Bauteil. Dies gestattet es in Verbindung mit der hohen Positioniergenauigkeit, die Bordelprofile an denBoring tools are positioned opposite the machine table and the workpiece support or workpiece. The replaceable brothel head is a relatively small component. In conjunction with the high positioning accuracy, this allows the border profiles to be attached to the
Bordelwerkzeugen hochgenau und nach dem Datensatz der Werkstucke zu bearbeiten. Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben. Edging tools can be processed with high precision and according to the data set of the workpieces. Further advantageous embodiments of the invention are specified in the subclaims.
Die Erfindung ist in den Zeichnungen beispielsweise und schematisch dargestellt. Im einzelnen zeigen:The invention is shown in the drawings, for example and schematically. In detail show:
Figur 1: eine Seitenansicht der Bordeleinheit inFigure 1: a side view of the brothel unit in
Arbeitsstellung,Working position,
Figur 2: eine perspektivische Ansicht der Bordeleinheit in gekippter Ruhestellung schräg von vorn entsprechend Pfeil II von Figur 1 ohneFigure 2 is a perspective view of the brothel unit in the tilted rest position obliquely from the front according to arrow II of Figure 1 without
Maschinentisch und Bordelbett undMachine table and board bed and
Figur 3: eine perspektivische Ruckansicht der Bordeleinheit von Figur 2.FIG. 3: a perspective rear view of the brothel unit from FIG. 2.
In den Zeichnungen ist eine Bordeleinheit (1) dargestellt, die vorzugsweise zum Außenbordein von Werkstucken (nicht dargestellt) eingesetzt wird, die alternativ aber auch unter entsprechender Anpassung zum Innenbordein verwendet werden kann. Die Bordeleinheit (1) wird in der Regel mit mehreren weiteren gleichartigen Bordeleinheiten (1) nebeneinander am Außenumfang des Werkstücks an einem Maschinentisch (2) der Bordelmaschine montiert. Auf dem Maschinentisch (2) befindet sich die Werkstuckauflage bzw. das sogenannte Bordelbett (3) für das Werkstuck. Die gesamte Bordelmaschine kann darüber hinaus über geeignete Niederhalter, Spanner, zusatzliche andere Bordelvorπchtungen und dergleichen andere Bauteile verfugen, die der Übersicht halber nicht dargestellt sind.The drawings show a brothel unit (1) which is preferably used for outboarding workpieces (not shown), but which can alternatively also be used with corresponding adaptation to the inboard. The bunching unit (1) is generally mounted next to one another on the outer circumference of the workpiece on a machine table (2) of the bunching machine with several other similar bunching units (1). The workpiece support or the so-called brothel bed (3) for the workpiece is located on the machine table (2). The entire bordering machine can also have suitable hold-down devices, tensioners, additional other Bordelvorπchtungen and the like other components that are not shown for the sake of clarity.
Die Bordeleinheit (1) besteht aus einem Schiebeteil (5), einem Kippteil (4) mit ein oder mehreren Bordelwerkzeugen (8,9), einem Kippantrieb (17) und einem Bordelantrieb (6). Das Kippteil (4) ist am Schiebeteil (5) schwenkbar gelagert und fuhrt vorzugsweise eine begrenzte, einfache Kippbewegung zwischen der Arbeits- und Ruhestellung aus. Zur Erzeugung des linearen Bordelhubes kann das Schiebeteil (5) mitsamt dem in Arbeitsstellung befindlichen Kippteil (4) über den Bordelantrieb (6) in Bordelrichtung relativ zum ortsfesten Maschinentisch (2) bzw. Bordelbett (3) translatorisch verschoben werden. Mit dem Bordelantrieb (6) wird auch die ebenfalls lineare Positionierbewegung durchgeführt, mit der die Bordelwerkzeuge (8,9) mit dem in Ruhestellung weggeschwenkten Kippteil (4) abwechselnd in die erforderliche Höhenlage gegenüber dem Werkstuck gebracht werden .The brothel unit (1) consists of a sliding part (5), a tilting part (4) with one or more bristle tools (8, 9), a toggle drive (17) and a bristle drive (6). The tilting part (4) is pivotally mounted on the sliding part (5) and preferably performs a limited, simple tilting movement between the working and rest positions. To generate the linear bobbin lift, the sliding part (5) together with the tilting part (4) in the working position can be translationally displaced in the bunching direction relative to the stationary machine table (2) or bordel bed (3) via the bordel drive (6). The likewise linear positioning movement is carried out with the flange drive (6), with which the flange tools (8, 9) with the tilting part (4) pivoted away in the rest position are brought alternately into the required height position relative to the workpiece.
Das Kippteil (4) ist als Bordelkopf (7) ausgebildet und besteht aus einer Tragkonstruktion mit mehreren Rippen (12) , die n Figur 1 und 3 dargestellt sind. An derThe tilting part (4) is designed as a brothel head (7) and consists of a supporting structure with several ribs (12), which are shown in FIGS. 1 and 3. At the
Frontseite tragt der Bordelkopf (7) einen plattenformigen Werkzeugträger (10), an dessen Vorderseite die Bordelv/erkzeuge (8,9) mit genauer Lage befestigt sind. Der Werkzeugträger (10) kann starr an der Tragkonstruktion befestigt sein. Er kann alternativ auch losbar und austauschbar sowie genau positionierbar angeordnet sein. Die z.B. als Vorbordelleiste und Fertigbordelleiste ausgebildeten und in geeigneten Nuten übereinander am Werkzeugträger (10) angeordneten Bordelwerkzeuge (8,9) haben eine von der Ruckseite des Werkzeugträgers (10) her zugangliche Befestigung (11), die z.B. aus Schraubverbindungen mit geeigneten Passstiften und dergleichen anderen präzisen Positioniermitteln bestehen kann. Die Vorbordei- und Fertigbordelleiste (8,9) tragen an der Vorderseite geeignete Bordelprofile .At the front, the bordel head (7) carries a plate-shaped tool carrier (10), on the front of which the bordel tools (8, 9) are fastened in an exact position. The tool carrier (10) can be rigidly attached to the supporting structure. Alternatively, it can also be arranged in a detachable and interchangeable manner and can be positioned precisely. The e.g. Flanged tools (8, 9) designed as pre-border strips and finished border strips and arranged in suitable grooves one above the other on the tool carrier (10) have an attachment (11) which is accessible from the rear of the tool carrier (10) and which e.g. can consist of screw connections with suitable dowel pins and the like other precise positioning means. The front board and finished brothel strips (8.9) have suitable border profiles on the front.
Der Bordelkopf (7) tragt an der Unterseite der Tragkonstruktion ein Schwenklager (18), mit dem er drehbar und austauschbar am Schiebeteil (5) befestigt ist. Zur Erzeugung der Kippbewegung des Bordelkopfes (7) ist an dessen Ruckseite der Kippantrieb (17) angelenkt, der ein geeignetes Antriebselement (21), vorzugsweise einen hydraulischen oder pneumatischen Zylinder mit Drehlagern an beiden Enden aufweist.The brothel head (7) carries a swivel bearing (18) on the underside of the supporting structure, with which it is rotatably and interchangeably attached to the sliding part (5). In order to generate the tilting movement of the bobble head (7), the tilting drive (17) is articulated on the rear side thereof, which has a suitable drive element (21), preferably one hydraulic or pneumatic cylinder with pivot bearings at both ends.
Das Schiebeteil (5) besteht aus einem stabilen Gestell (13), das z.B. an der Unterseite des Maschinentisches (2) mittels einer Aufnahme oder Montageflache (22) lagegenau und starr montiert werden kann. Am Gestell ist eine lineare Schlittenfuhrung (15) mit zwei beidseitigen Leisten angeordnet, an denen ein Schlitten (14) translatorisch beweglich gefuhrt ist. DieThe sliding part (5) consists of a stable frame (13) which e.g. on the underside of the machine table (2) by means of a receptacle or mounting surface (22) can be mounted precisely and rigidly. A linear slide guide (15) with two strips on both sides is arranged on the frame, on which a slide (14) is guided so as to be translationally movable. The
Schlittenbewegungen werden über einen Schlittenantπeb (16) erzeugt, welcher zugleich den Bordelantrieb (6) darstellt. Der Bordel- bzw. Schlittenantrieb (6,16) stutzt sich dabei am Gestell (13) ab.Carriage movements are generated via a carriage actuator (16), which also represents the flange drive (6). The border or slide drive (6, 16) is supported on the frame (13).
Am oberen Ende des Schlittens (14) ist über eine geeignete rückwärtige Abkropfung das Schwenklager (18) für den Bordelkopf (7) angeordnet. Der Kippantrieb (17) für den Bordelkopf (7) jozw . dessen Zylinder (21) stutzt sich mit seinem Ξnae am Schlitten (14) aß.At the upper end of the slide (14), the swivel bearing (18) for the bobbin head (7) is arranged via a suitable rear cranking. The tilt drive (17) for the brothel head (7) jozw. whose cylinder (21) is supported with his Ξnae ate on the sledge (14).
Der Bordel- bzw. Schlittenantrieb (6,16) besitzt ebenfalls ein geeignetes Antriebselement (21), vorzugsweise einen pneumatischen oder hydraulischen Zylinder, welches innerhalb des Gestells (13) angeordnet ist und in Richtung der Schlittenfuhrung (15) arbeitet. Die Fuhrungsrichtung ist zugleich die Richtung des Bordel- undThe brothel or slide drive (6, 16) also has a suitable drive element (21), preferably a pneumatic or hydraulic cylinder, which is arranged within the frame (13) and works in the direction of the slide guide (15). The direction of guidance is also the direction of the brothel and
Positionierhubes. Im gezeigten Ausfuhrungsbeispiel ist das Gestell (13) derart an der Unterseite des Maschinentisches (2) befestigt, dass sicn die Schlittenfuhrung (15) und dadurch der Bordel- und Positionerhub senkrecnt zur Tischebene nach unten erstrecken.Positionierhubes. In the exemplary embodiment shown, the frame (13) is attached to the underside of the machine table (2) in such a way that the slide guide (15) and thereby the bristle and positional lift extend vertically downwards to the table level.
Diese Montagepositicn kann in beliebiger Weise geändert werden, indem das Gestell (13) über variable geneigte Aufnahmen entsprechenden frei wahlbaren Winkelstellungen am Maschinentisch (2) montiert wird. Dementsprechend ändert sich mit dem Montagewmkel auch die Richtung des Bordelhubes. Dies ist z.B. vorteilhaft, um bei bestimmten Werkstuckgeometrien den Bordelhub im wesentlichen senkrecht zur Bordelkante am Wer stuck wi ken zu lassen.This assembly position can be changed in any way by mounting the frame (13) on the machine table (2) using freely inclined receptacles corresponding to freely selectable angular positions. Accordingly, the direction of the brothel stroke changes with the mounting angle. This is for example advantageous in certain workpiece geometries to Bordelhub substantially perpendicular to the Bordelkante Who stuck wi ke to let n.
Für die Einstellung der Kippbewegung des Borαeikopfes (7) gegenüber dem Schiebeteil (5) bzw. dem Maschinentisch (2) und dem Werkstuck sind ein oder mehrere verstellbare Festanscnlage (23) vorhanden, die die Schwenkoewegung nacn vorn zum Werkstuck hm begrenzen. Ein solcher Anschlag (23) ist z.B. in Figur 1 dargestellt und wirkt zwischen einem hoch stehenden Ansatz am Schlitten (14) und der Unterseite des Bordelkopfes (7).For the adjustment of the tilting movement of the Borαeikopfes (7) relative to the sliding part (5) or the machine table (2) and the workpiece, one or more adjustable fixed system (23) are available, which limit the pivoting movement to the front of the workpiece hm. Such a stop (23) is e.g. shown in Figure 1 and acts between a high approach to the carriage (14) and the underside of the brothel head (7).
Ferner sind auch ein oder mehrere verstellbare Festanschlage (19,20) für die Begrenzung des nach unten gerichteten Bordelhubes vorhanden. Hierbei sind für die Positionen und Hube beim Vorbordeln und Fertigbordeln unterschiedliche Anschlage (19,20) vorhanden. Figur 1 zeigt den weiter oben positionierten Festanschlag (19) für den Fertigbordelhub. In der gezeigten Ausfuhrungsform ist die Vorbordelleiste (8) oberhalb der Fertigbordelleiste (9) angeordnet. Der zweite Festanschlag (20; für den Vorbordelhub befindet sich an einer entsprecnend tiefer gelegenen Position am Gestell (13). Der Festanschlag (19) kann am Gestell (13) oder auch am Maschinentisch (2) angeordnet sein und gegen ein entsprechendes Anschlagteil am Bordelkopf (7) wirken, welches nur wirksam ist, wenn der Bordelkopf (7) sich in der Arbeitsstellung in entsprechender Hohe befindet. Der zweite Festanschlag (20 wirkt gegen ein Anschlagteil am Schlitten (1-) .There are also one or more adjustable fixed stops (19, 20) for limiting the downward bristle stroke. Different stops (19, 20) are available for the positions and strokes for pre-flanging and finished flanging. FIG. 1 shows the fixed stop (19) positioned further up for the finished flanging stroke. In the embodiment shown, the pre-border strip (8) is arranged above the finished border strip (9). The second fixed stop (20; for the pre-flanging stroke is located at a correspondingly lower position on the frame (13). The fixed stop (19) can be arranged on the frame (13) or on the machine table (2) and against a corresponding stop part on the flange head (7) act, which is only effective when the brothel head (7) is at the appropriate height in the working position. The second fixed stop (20 acts against a stop part on the slide (1-).
Der Bordelantrieb (6) bzw. der Scnlιttenantr_eo (16) übernimmt sowohl die Hubbewegungen beim Vor- und Fertigbordeln, wie aucn die entsprechenden Positionierbewegungen, mit denen die unterschiedlichen Bordelwerkzeuge (8,9) in Arbeitsposition gebracht werden. Durch die Kipp- oder Schwenkbewegung des Bordelkopfes (7) werden die Bordelwerkzeuge (8,9) aus der Figur 1 gezeigten Arbeitsstellung nach hinten in die in Figur 2 und 3 gezeigte Ruhestellung zuruckgeschwenk . In dieserThe Bordelan drive (6) or the Scnlιttenantr_eo (16) assumes the stroke movements during pre- and Fertigbordeln as AuCN the corresponding positioning movements with which the iedlichen untersc h Bordel tools (8,9) are brought into the working position. By the tilting or swiveling movement of the brothel head (7), the bristle tools (8, 9) are pivoted backwards from the working position shown in FIG. 1 into the rest position shown in FIGS. 2 and 3. In this
Position geben sie einerseits das Werkstuck frei, das da ^ entnommen und ausgetauscht werden kann. Außerαem kann dieser Ruheposition der Positionswechsel der Bordelwerkzeuge (8,9) durch eine entsprechende Hubbewegung des Schlittens (14) vorgenommen werden. In dieser zuruckgeschwenkten Ruheposition kommt auch der Festanschlag (19) außer Eingriff. Der Bordelkopf (7) kann dann gegenüber dem Maschinentisch (2) bzw. dem Werkstuck kollisionsfrei gehoben und gesenkt werden. In der gezeigten Ausfuhrungsform von Figur 1 wird der Bordelkopf (7) nach dem Ruckschwenken so weit abwärts bewegt, bis die oben liegende Vorbordelleiste (8) m Arbeitsposition kommt und anschließend durch der Kippantrieb (17) wieder nach vorn in d e Arbeltsstellung zuruckgeschwenkt.On the one hand, they release the workpiece into position, which can be removed and exchanged. In addition, this rest position, the change of position of the flanging tools (8, 9) can be carried out by a corresponding lifting movement of the slide (14). In this pivoted-back rest position, the fixed stop (19) also disengages. The bristle head (7) can then be raised and lowered without collision with respect to the machine table (2) or the workpiece. In the embodiment shown in FIG. 1, the bristle head (7) is moved downward after swiveling back until the overhead brim strip (8) comes up in the working position and is then pivoted back again into the working position by the tilt drive (17).
Abwandlungen der gezeigten Ausfuhrungsform sind m verschiedener Weise möglich. Beim Kippantrieb (17) und beim Bordel- bzw. Schlittenantrieb (6,16) können an Stelle αer Zylinder (21) andere geeignete Antriebselemente vorhanden sein. Dies kann z.B. ein Spindelantrieb mit einem Motor, insbesondere einem Elektromotor sein.Modifications of the embodiment shown are possible in m different ways. In the case of the tilt drive (17) and the brothel or slide drive (6, 16), other suitable drive elements can be present instead of the cylinder (21). This can e.g. a spindle drive with a motor, in particular an electric motor.
Ferner kann die Anordnung und Zuordnung der Bordelwerkzeuge (8) am Kippteil (4) geändert werden. Variabel ist auch die Zahl der Bordelwerkzeuge (8,9).Furthermore, the arrangement and assignment of the bristle tools (8) on the tilting part (4) can be changed. The number of brothel tools is also variable (8.9).
Ferner ist die konstruktive Gestaltung und Verbindung des Kippteils 4) t dem Scniebeteil (5) vaπaoei. Veranderoar sind zudem die konstruktive Gestaltung und α_e Montage des Schiebeteils (5) und seiner Koroonenten. BEZUGSZEICHENLISTEFurthermore, the constructive design and connection of the tilting part 4) is the cut part (5) vaπaoei. Veranderoar are also the constructive design and α_e assembly of the sliding part (5) and its Coroonenten. LIST OF REFERENCE NUMBERS
Bordeleinheit Maschinentisch, Werkzeugplatte Werkstückauflage, Bordelbett Kippteil Schiebeteil Bordelantrieb Bordelkopf Bordelwerkzeug, Vorbordelleiste Bordelwerkzeug, Fertigbordelleiste Werkzeugträger Befestigung Rippe Gestell Schlitten Schlittenfuhrung Schlittenantrieb Kippantrieb Schwenklager Festanschlag Fertigbordelhub Festanschlag Vorbόrdelhub Antriebselement, Zylinder Aufnahme, Montageflache Festanschlag Schwenkbewegung Bordel unit machine table, tool plate workpiece support, Bordelbett tilting part sliding part Bordelantrieb Bordelkopf Bordelwerkzeug, Vorbordelleiste Bordelwerkzeug, ready-made ledge tool holder fastening rib frame carriage carriage guide carriage drive tilt drive swivel bearing fixed stop ready-made flange stroke fixed stop pre-flanged stroke drive element, cylinder holder, mounting movement fixed stop

Claims

PATENTANSPRÜCHE
1.) Bordelemheit mit einem Gestell (13), einem Kippteil (4), einem Schiebeteil (5) und einem Bordelantrieb (6) sowie einem Bordelkopf (7) mit ein oder mehreren1.) Bordelemheit with a frame (13), a tilting part (4), a sliding part (5) and a Bordelantrieb (6) and a Bordelkopf (7) with one or more
Bordelwerkzeugen (8,9), dadurch g e k e n n z e i c h n e t, dass der Bordelkopf (7) am Kippteil (4) angeordnet ist, welches am Schiebeteil (5) schwenkbar gelagert (18) und angetrieben (17) st, wobei das Schieoeteil (5) mit dem Bordelantrieb (6) verbunden ist und einen translatorisch an einem Gestell (13) geführten (15) Schlitten (14) aufweist.Flanging tools (8, 9), characterized in that the flanging head (7) is arranged on the tilting part (4), which is pivotably mounted (18) and driven (17) on the sliding part (5), the shooting part (5) being connected to the Border drive (6) is connected and has a translatory (15) slide (14) guided on a frame (13).
2.) Bordelemheit nach Anspruch 1, dadurch g e k e n n z e i c h n e t, dass der Bordelantrieb (6) zugleich ein Positionierantrieb für die Bordelwerkzeuge (8,9) ist und ein Antriebselement (21) zwischen Gestell (13) und Schlitten (14) aufweist.2.) Boarding unit according to claim 1, characterized in that the boarding drive (6) is at the same time a positioning drive for the boarding tools (8,9) and has a drive element (21) between the frame (13) and slide (14).
3.) Bordele heit nach Anspruch 1 oder 2, αadurch g e k e n n z e i c h n e t, dass das Kippteil (4) einen Kippantrieb (17) mit einem Antriebselement (21) aufweist, das an beiden Enden gelenkig mit dem3.) Bordele unit according to claim 1 or 2, a by g e k e n n z e i c h n e t that the tilting part (4) has a tilting drive (17) with a drive element (21) which is articulated at both ends with the
Schlitten (14) und dem Bordelkopf (7) verbunden ist.Carriage (14) and the brothel head (7) is connected.
4.) Bordelemheit nach Anspruch 1, 2 oder 3, dadurch g e k e n n z e i c h n e t, dass die Antriebselemente (21) als hydrauliscπe oder pneumatische Zylinder ausgebildet sind.4.) Bordelemheit according to claim 1, 2 or 3, characterized g e k e n n z e i c h n e t that the drive elements (21) are designed as hydraulic or pneumatic cylinders.
5.) Bordelemheit nach einem der vorhergehenden5.) Bordelemheit according to one of the preceding
Ansprüche, dadurch g e k e n n z e i c h n e t, dass das Gestell (13) zur ortsfesten Montage an einem Maschinentisch (2) vorgesehen ist. Claims, characterized in that the frame (13) is provided for fixed mounting on a machine table (2).
6.) Bordeleinheit nach einem der vorhergehenden6.) Bordel unit according to one of the preceding
Ansprüche, dadurch g e k e n n z e i c h n e t, dass das Gestell (13) mittels variabler geneigter Aufnahmen (22) in unterschiedlichen Winkelstellungen am Maschinentisch (2) montierbar ist.Claims, characterized in that the frame (13) can be mounted on the machine table (2) in different angular positions by means of variable inclined receptacles (22).
7. ) Bordelemheit nach einem der vorhergehenden7.) Bordelemheit according to one of the preceding
Ansprüche, dadurch g e k e n n z e i c h n e t, dass an der Bordeleinheit (1) verstellbare Festanschlage (19,20,23) für die Schwenkbewegung des BordelkopfesClaims, characterized by the fact that fixed stops (19, 20, 23) on the board unit (1) for the pivoting movement of the board head
(7) und für die Bordelhübe vorgesehen sind.(7) and are provided for the flank strokes.
8.) Bordeleinheit nach einem der vorhergehenden8.) Bordel unit according to one of the preceding
Ansprüche, dadurch g e k e n n z e i c h n e t, dass der Bordelkopf (7) als Rippenkonstruktion ausgebildet ist und einen frontseitigen Werkzeugträger (10) zur Aufnahme der Bordelwerkzeuge (8,9) aufweist .Claims, characterized in that the brothel head (7) is designed as a rib construction and has a tool carrier (10) on the front for receiving the bristle tools (8,9).
9.) Bordeleinheit nach einem der vorhergehenden9.) Bordel unit according to one of the preceding
Ansprüche, dadurch g e k e n n z e i c h n e t, dass die Bordelwerkzeuge (8,9) austauschbar an der Vorderseite des Werkzeugträgers (10) angeordnet sind, wobei deren Befestigung (11) von der Ruckseite des Werkzeugträgers (10) her zuganglich ist. Claims, characterized in that the bristle tools (8, 9) are arranged interchangeably on the front of the tool carrier (10), their attachment (11) being accessible from the rear of the tool carrier (10).
EP01917074A 2000-03-14 2001-03-07 Hemming unit Withdrawn EP1272294A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20004498U DE20004498U1 (en) 2000-03-14 2000-03-14 Crimping unit
DE20004498U 2000-03-14
PCT/EP2001/002557 WO2001068285A1 (en) 2000-03-14 2001-03-07 Hemming unit

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Publication number Priority date Publication date Assignee Title
ES2230972A1 (en) * 2002-12-24 2005-05-01 Imgemat, S.A. Crimp for joining of sheets and panels, has fixed part provided with supporting structure of cradle, moving parts attached with guiding units, and tilting cart connected to knife holder that is provided with pre-tab blades
DE102006009292B4 (en) * 2006-03-01 2008-04-30 Audi Ag folding device
DE202014105862U1 (en) 2014-12-04 2016-03-03 Kuka Systems Gmbh Folding tool and folding device
CN104907381B (en) * 2015-06-10 2016-09-07 安徽江淮汽车股份有限公司 A kind of mould and bound edge laminating mechanism thereof
FR3089831B1 (en) * 2018-12-12 2020-11-20 Psa Automobiles Sa DEVICE AND UNIT FOR CRIMPING THE EDGE OF A SHEET AND PROCESS IMPLEMENTED BY SUCH A DEVICE
FR3127421B1 (en) * 2021-09-29 2023-08-18 Psa Automobiles Sa COMPACT METAL SHEET EDGE CRIMPING DEVICE, ASSOCIATED CRIMPING UNIT AND METHOD

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DE19540406A1 (en) * 1994-11-02 1996-05-09 Werner Dr Ing Ditscher Device for bending metal sheets and similar panel=like materials
ES2145651B1 (en) * 1996-07-26 2001-02-16 Ingemat Sa MODULAR SYSTEM OF TABLE FOR UNION BY EYELASH OF METAL PARTS.
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