EP3308869A1 - Dispositif d'alignement pour pièces à travailler - Google Patents

Dispositif d'alignement pour pièces à travailler Download PDF

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Publication number
EP3308869A1
EP3308869A1 EP17195607.1A EP17195607A EP3308869A1 EP 3308869 A1 EP3308869 A1 EP 3308869A1 EP 17195607 A EP17195607 A EP 17195607A EP 3308869 A1 EP3308869 A1 EP 3308869A1
Authority
EP
European Patent Office
Prior art keywords
adjusting device
translational
axis
displacement
plane
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Withdrawn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
EP17195607.1A
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German (de)
English (en)
Inventor
Alfred Bilsing
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.)
Bilsing Automation GmbH
Original Assignee
Bilsing Automation 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 Bilsing Automation GmbH filed Critical Bilsing Automation GmbH
Publication of EP3308869A1 publication Critical patent/EP3308869A1/fr
Withdrawn legal-status Critical Current

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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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
    • B21D43/057—Devices for exchanging transfer bars or grippers; Idle stages, e.g. exchangeable
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices

Definitions

  • the invention relates to an alignment device for workpieces according to claim 1, and a system of two alignment devices according to claim 10 and a production line with at least one alignment device according to claim 11.
  • a variety of tools for machining the workpieces is often required.
  • a plurality of press tools are arranged in a row one behind the other.
  • a sheet metal blank is then first inserted into a first pressing tool and formed by the tool.
  • the formed sheet is removed by a gripper from the tool and transported to a next tool.
  • Such an alignment device has a receptacle for a workpiece into which a workpiece can be inserted after removal from a press. Subsequently, the alignment and position of the workpiece relative to the presses can be changed so that the workpiece can be inserted into a subsequent press by an appropriate arrangement of adjusting. After alignment of the workpiece, the workpiece is then picked up again by the transport device and inserted into the subsequent press.
  • a corresponding alignment device is for example in the DE 10 2013 019 358 A1 shown.
  • the present application is the object of the invention to provide an improved alignment, which allows a more flexible and faster alignment of workpieces in the transfer between two tools.
  • the invention in a first aspect, relates to an alignment device for workpieces.
  • the alignment device according to the invention in this case has at least one receptacle for workpieces, and at least two translational adjustment, which are each formed for a translational displacement of a receiving point of the adjustment relative to an attachment point of the adjustment along a shift axis.
  • the alignment device has at least one rotary adjustment device, which is designed for a rotation of a receiving plane of the adjustment device relative to a fastening plane of the adjustment device about an axis of rotation.
  • the rotary adjusting device is fastened with its fastening plane to the receiving point of a first, lower translational adjusting device, while a second, upper translational adjusting device is fastened with its attachment point to the receiving plane of the rotary adjusting device.
  • the receptacle for workpieces is attached to the receiving point of the second translational adjustment.
  • the displacement axis of the first translational Adjusting means lies in a first plane, wherein the axis of rotation of the rotary adjusting device is aligned perpendicular to the first plane.
  • Such an arrangement has the advantage that the displacement axes of the translational adjustment devices can be rotated relative to one another by the rotary adjustment device arranged between the translational adjustment devices.
  • the displacement axes of the translational adjustment devices may initially be aligned perpendicular to one another.
  • the displacement axis of the second translational adjusting device is preferably parallel to the first plane.
  • the tool holder mounted on the upper translational adjusting device can be freely displaced over a surface whose edge length corresponds to the maximum displacement paths of the translational adjusting devices.
  • a rotation of the upper axis of displacement relative to the lower shift thing this area can be changed by a rotation of the upper axis of displacement relative to the lower shift thing this area.
  • the surface can thus be displaced by a parallel alignment of the two displacement axes to form a straight path whose length corresponds to the sum of the respective displacement paths of the individual translational adjusting devices.
  • the possible angle of rotation of the rotary adjusting device is preferably 360 °.
  • first level is merely a fictitious level and not a material component.
  • the lower, first translational adjusting device would be mounted on a base plate. In this case, the first plane coincides with the plane of the base plate.
  • the alignment device By means of the alignment device according to the invention, it is also possible to displace the workpiece with the second translatory adjusting device such that the center of gravity of the workpiece lies on the axis of rotation prior to a rotation of a workpiece in the holder about the axis of rotation of the first rotary adjusting device.
  • an imbalance in a rotation of the workpiece is avoided, and consequently reduces the load on the device and in particular the bearing and mounting points of the device in a rotation of the workpiece.
  • a faster rotation of the clamped workpiece is possible, whereby the process times can be reduced.
  • the alignment device has a second rotary adjustment device, which is arranged between the first translational adjustment device and the second translational adjustment device.
  • the axis of rotation of the second rotary adjusting device is perpendicular to the axis of rotation of the first rotary adjusting device, so that by the second rotary adjusting the displacement axis of the second, upper adjusting device is tilted against the first plane.
  • the alignment device receives a further degree of freedom about which a workpiece placed in the receptacle can be moved.
  • the second rotary adjusting device can be designed as a separate adjusting device, or form together with the first rotary adjusting a common rotary adjustment with two axes of rotation.
  • the second rotary adjusting device is fastened with its mounting plane to the receiving plane of the first rotary adjusting device and with its receiving plane at the attachment point of the second translational adjusting device.
  • the axis of rotation of the first rotary adjusting device is preferably not tilted with it.
  • the orientation of the recording by tilting can also take place during the transport of the workpiece by the alignment in parallel-aligned translational adjustment. In this way, the process times in the manufacture of the workpieces can be reduced, or the clock rates can be increased.
  • the displacement axis of the second adjusting device is tiltable by the second rotary adjusting device with respect to the first plane in an angular range between -15 ° and + 15 °.
  • the receptacle or the adjusting device itself touches down on the lower, first adjusting device or on the bottom. Effectively, such a damage of the device can be avoided by a maximum displacement and tilting of the second translational adjustment.
  • connection of the adjusting means with each other is preferably carried out by a frictional connection and / or a positive connection.
  • the adjustment devices may each be self-contained adjustment devices, which are then screwed together or snapped into one another at corresponding locations. In this way, it is possible to disassemble the alignment in the individual adjustment to replace defective adjustment. Thus, the flexibility of the alignment device is further increased.
  • the translational adjusting devices each have two rails, which are arranged parallel to one another and guide a carriage so that the carriage is displaceable along the displacement axis via a defined displacement path.
  • the longitudinal axes of the rails of the first lower translational adjustment of the alignment device according to the invention, therefore, the first plane is clamped.
  • the parallel rails ensure a high mechanical stability of the structure, so that a high durability and very accurate control of the alignment is possible.
  • the translational adjusting devices each have a maximum displacement of 600 mm. Effectively results in orthogonal alignment of the axes of displacement of the translational adjustment then a square surface with an edge length of 600 mm within which the recording can be moved with the recorded therein workpiece.
  • the range of the alignment device is 1.2 m.
  • the adjusting devices of the alignment device are driven by an electric motor in one embodiment.
  • each individual adjustment device can have its own electric motor as a drive.
  • the control of the electric motors can be done separately for each adjusting device, as well as via a common connection with a downstream control device that forwards received control commands to the corresponding electric motors.
  • the invention in another aspect, relates to a system of two alignment devices as previously described.
  • the displacement axes of the first translatory adjusting device of a first of the alignment devices is perpendicular to the displacement axis the first translational adjusting device and perpendicular to the axis of rotation of the first rotary adjusting a second of the alignment devices.
  • the invention relates to a production line having at least two tools for machining a workpiece.
  • at least one alignment device is arranged between the tools, or a system as described above.
  • the displacement axis of the first translational adjusting device of the alignment device is aligned perpendicular to the connecting axis of the two tools.
  • FIG. 1 shows an exploded view of an alignment device 100 according to the invention in a perspective view.
  • the alignment device 100 in this case has a first, lower translational adjusting device 102, a first rotary adjusting device 104, a second rotary adjusting device 106 and a second, upper translational adjusting device 108.
  • a receptacle 110 for receiving and fixing a workpiece (not shown) is further arranged.
  • the first translational adjusting device 102 has two rails 112 which extend parallel to one another.
  • the rails 112 are fastened to one another at a defined distance from one another on a base plate 114.
  • the rails 112 are bolted to the base plate 114.
  • the extension plane of the base plate 114 will be referred to hereinafter as the first plane.
  • sliders 116 are arranged, which are displaceable along the rails 112 and guided by the rails 112 during a displacement.
  • the first translational adjusting device 102 has an electric motor 118.
  • the electric motor 118 is coupled via corresponding gear with a drive mechanism within the rails, so that a rotation of the motor shaft is converted into a translation of the carriage 116 along the rails 112.
  • a base plate 120 is arranged on the sliders 116.
  • the base plate in this case has corresponding holes, via which it is non-positively connected to the sliders 116 of the rails 112.
  • the first rotary adjusting device 104 is arranged on the base plate 120 of the carriage.
  • the rotary adjusting device 104 is screwed to the base plate 120.
  • the first rotary adjusting device 104 like the first translational adjusting device 102, also has an electric motor 122 for driving it.
  • the shaft of the electric motor 122 is connected via a worm gear with a rotatably mounted in the first rotary adjusting device 104 plate 124 so that a rotation of the shaft of the electric motor 122 in a rotation of the plate 124 about a rotation axis 126 perpendicular to the shaft of the electric motor 122 is implemented.
  • the axis of rotation 126 is perpendicular to the first plane and thus also perpendicular to the displacement axis 128 of the carriage of the first translational adjustment device 102.
  • the second rotary adjusting device 106 On the plate 124 of the first rotary adjusting device 104, the surface of which simultaneously defines the receiving plane of the first rotary adjusting device 104, the second rotary adjusting device 106 is attached. Preferably, the second rotary adjusting device 106 is screwed to the turntable 124.
  • the second rotary adjusting device 106 has a main body 130, which has on its upper side two circular segment-shaped, upwardly open running shells 132.
  • the second translational adjusting device 108 On the underside of the second translational adjusting device 108, counter-rotating, circular segment-shaped sliding elements 136 are arranged to the running shells 132, which can be inserted into the running shells 132 and guided into these.
  • the movement of the sliding elements 136 in the running shells 132 is driven by a further electric motor 134.
  • a gear On the shaft of the electric motor 134 for this purpose a gear is arranged, which engages in an outer circumferential surface of the sliding elements 136.
  • the sliding elements By a rotation of the shaft, the sliding elements are then guided guided in the running shells 132. In this way, the upper, second translational adjusting device 108 can be tilted relative to the first plane.
  • the second translational adjusting device 108 is constructed analogously to the first translational adjusting device.
  • This adjusting device also has two mutually parallel rails 138 which are mounted on a base plate 140, preferably screwed to it.
  • sliders 142 are mounted so as to be slidable along the longitudinal axis of the rails 138, respectively.
  • the second translational adjusting device 108 has a further electric motor 144, by means of which the sliders 142 can be moved on the rails 138 by means of a suitable gear.
  • a base plate 146 is attached, so that a carriage is formed.
  • the receptacle 110 is arranged for a workpiece.
  • the carriage is then displaceable along the displacement axis 148 by the electric motor.
  • the displacement axis 148 can be tilted relative to the first plane or the base plate 114 by the second rotational adjustment device 106, while the relative orientation of the displacement axis 148 to the displacement axis 128 in the first plane can be rotated by the first rotational adjustment device 104.
  • FIG. 2 shows a perspective view of in FIG. 1 shown alignment device 100 after all elements have been assembled.
  • the individual movement modes of the alignment device are in the other Figures 3 . 4 and 5 shown.
  • FIG. 3 shows in a perspective view two operating states of the alignment device according to the invention 100. It is in the FIG. 3 a) the alignment device 100 is adjusted so that the displacement axis 148 of the second translational adjustment device 108 is aligned parallel to the base plate 114 and thus also parallel to the first plane. Furthermore, the displacement axis 148 of the second translatory adjustment device 108 is perpendicular to the displacement axis 128 of the second translational adjustment device 102.
  • a workpiece (not shown) received in the receptacle 110 can be displaced within a surface whose edge length just corresponds to the maximum displacement travel of the first 102 and second 108 translational adjusting corresponds. In this case, the workpiece can also be tilted about the tilting axis 150 of the second rotary adjusting device 106.
  • FIG. 4 shows a schematic side view of an alignment device 100, in which the displacement axis 128 of the first translational adjustment device 102 is aligned parallel to the displacement axis 148 of the second translational adjustment device 108.
  • a respective maximum displacement of the individual translational adjustment 102 and 108 of 600 mm results in this orientation, a maximum displacement of the workpiece of 1200 mm.
  • the direction in which this maximum displacement is possible is determined by the orientation of the lower, first translational adjusting device 102.
  • FIG. 5 shows how FIG. 4 a schematic side view of the alignment device 100, wherein the displacement axis 128 of the first translational adjusting device 102 is aligned parallel to the displacement axis 148 of the second translational adjusting device 108.
  • the gear 152 which is arranged on the drive shaft of the electric motor 134, can be easily recognized on the second rotary adjusting device 106.
  • the gear 152 engages in a correspondingly curved rack, which is arranged on the sliding elements 136.
  • the sliding element 136 is then moved in the corresponding running shell 132, so that the displacement axis 148 of the second translational displacement device 108 is tilted with respect to the displacement axis 128 of the first translational displacement device. It is, as in Fig. 5 shown, provided that a tilt takes place only in an angular range of -15 ° to + 15 ° measured against the horizontal starting position. In this way it can be avoided that at a maximum deflection of the second translational adjusting device 108, the receptacle 110 on the substrate on which the alignment device 100 is mounted, touches.
  • the FIG. 6 shows a perspective view of a production line 200.
  • the production line 200 in this case has two tools 202 and 204.
  • the tools 202 and 204 are, for example, pressing tools with which a sheet metal is to be formed.
  • two alignment devices 100 are arranged between the tools 202 and 204.
  • the alignment devices 100 are arranged so that in each case the displacement axis 128 of the first, lower translational adjustment device 102 is transverse to the connection axis of the two tools 202 and 204.
  • the alignment devices 100 in the longitudinal direction of the production line 200 have a range of 600 mm, while the range of the alignment devices 100 transverse to the production line with parallel aligned first and second translational adjustment devices is 1200 mm.
  • a sheet metal formed in the first tool 202 is removed from the first tool 202 by means of a lifting device and deposited on one or both alignment devices 100. Subsequently, by a corresponding actuation of the electric motors of the alignment devices 100, the receptacles 110 of the alignment devices 100 are controlled such that the workpiece or the metal sheet is brought into the desired position. Subsequently, the sheet is in turn picked up by means of a lifting device and inserted into the second tool 204.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Machine Tool Units (AREA)
EP17195607.1A 2016-10-11 2017-10-10 Dispositif d'alignement pour pièces à travailler Withdrawn EP3308869A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016119304.6A DE102016119304A1 (de) 2016-10-11 2016-10-11 Ausrichtvorrichtung für Werkstücke

Publications (1)

Publication Number Publication Date
EP3308869A1 true EP3308869A1 (fr) 2018-04-18

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EP17195607.1A Withdrawn EP3308869A1 (fr) 2016-10-11 2017-10-10 Dispositif d'alignement pour pièces à travailler

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DE (1) DE102016119304A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022134642A1 (de) 2022-12-22 2024-06-27 Bilsing Automation Gesellschaft mit beschränkter Haftung Ausrichtvorrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3420075A1 (de) * 1983-05-30 1984-12-06 Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo Vorrichtung zum transfer von werkstuecken zwischen mehreren stationen einer presseinrichtung
DE19809184A1 (de) * 1998-03-04 1998-10-15 Gmg Automation Gmbh & Co In Zusammenhang mit einer Presse verwendbare Platinen-Positioniervorrichtung
DE102004048036A1 (de) * 2004-09-28 2006-04-06 Ras Reinhardt Maschinenbau Gmbh Biegeeinrichtung
EP1916072A1 (fr) * 2006-10-23 2008-04-30 Trumpf Maschinen Austria GmbH & CO. KG. Dispositif de manipulation et système de fabrication
DE102013019358A1 (de) 2013-11-19 2015-05-21 Daimler Ag Orientierstation zum Ausrichten eines Werkstücks relativ zu einem Werkzeug, insbesondere einer Presse

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3420075A1 (de) * 1983-05-30 1984-12-06 Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo Vorrichtung zum transfer von werkstuecken zwischen mehreren stationen einer presseinrichtung
DE19809184A1 (de) * 1998-03-04 1998-10-15 Gmg Automation Gmbh & Co In Zusammenhang mit einer Presse verwendbare Platinen-Positioniervorrichtung
DE102004048036A1 (de) * 2004-09-28 2006-04-06 Ras Reinhardt Maschinenbau Gmbh Biegeeinrichtung
EP1916072A1 (fr) * 2006-10-23 2008-04-30 Trumpf Maschinen Austria GmbH & CO. KG. Dispositif de manipulation et système de fabrication
DE102013019358A1 (de) 2013-11-19 2015-05-21 Daimler Ag Orientierstation zum Ausrichten eines Werkstücks relativ zu einem Werkzeug, insbesondere einer Presse

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DE102016119304A1 (de) 2018-04-12

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