EP3579987B1 - Magasin d'outils de cintrage et procédé de chargement d'une presse-plieuse - Google Patents

Magasin d'outils de cintrage et procédé de chargement d'une presse-plieuse Download PDF

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Publication number
EP3579987B1
EP3579987B1 EP18719409.7A EP18719409A EP3579987B1 EP 3579987 B1 EP3579987 B1 EP 3579987B1 EP 18719409 A EP18719409 A EP 18719409A EP 3579987 B1 EP3579987 B1 EP 3579987B1
Authority
EP
European Patent Office
Prior art keywords
tool
storage device
bending
storage
guide
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.)
Active
Application number
EP18719409.7A
Other languages
German (de)
English (en)
Other versions
EP3579987A1 (fr
Inventor
Karl BADEGRUBER
Luigi CAVICCHIA
Egon Danninger
Thomas Denkmeier
Harald Fenzl
Alfred HASELBÖCK
Michael Kerschbaumer
Gerhard Kirchmayr
Florian Maier
Kabir SECIBOVIC
Andrea Tonda Roch
Roberto VERONESE
Giovanni Vidotto
Jochen Wruck
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.)
Trumpf Maschinen Austria GmbH and Co KG
Original Assignee
Trumpf Maschinen Austria GmbH and Co KG
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.)
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Publication date
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Publication of EP3579987A1 publication Critical patent/EP3579987A1/fr
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Publication of EP3579987B1 publication Critical patent/EP3579987B1/fr
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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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • B21D5/0254—Tool exchanging
    • 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
    • B21D37/14—Particular arrangements for handling and holding in place complete dies
    • B21D37/145—Die storage magazines
    • 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
    • B21D37/14—Particular arrangements for handling and holding in place complete dies
    • B21D37/147—Tool exchange carts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00—Tool changing
    • Y10T483/10—Process
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00—Tool changing
    • Y10T483/17—Tool changing including machine tool or component
    • Y10T483/1729—Reciprocating tool machine tool [e.g., broaching machine, shaping machine, etc.]
    • Y10T483/1731—Reciprocating tool machine tool [e.g., broaching machine, shaping machine, etc.] including matrix

Definitions

  • the invention relates to a bending tool storage device according to the preamble of claim 1.
  • AT 516 624 B1 discloses a tool magazine with a large number of storage spaces for storing forming tools for a forming press.
  • a transport device for transporting the forming tools can be moved between the storage locations and a transfer position.
  • An intermediate store is set up in the immediate vicinity of a forming press and is formed by two ring-shaped tool stores that can be rotated as a whole.
  • Forming tools are transported between the tool magazines and the intermediate store, which each have their own frame and can also be used independently of one another.
  • Such an arrangement requires a lot of space and is associated with considerable construction and control effort.
  • the storage density ie the number of forming tools in relation to the space required, is too low to meet the requirements of modern production.
  • EP 2 946 846 B1 discloses a tool changing device which - similar to that in FIG AT 516 624 B1 discloses a ring-shaped tool storage device that can be rotated as a whole, ie all storage locations are formed on the ring-shaped platform and rotate with each change process. Such a construction requires a strong and reliable and therefore also expensive drive. The forming tools must also be moved (rotated) when they are not needed at all.
  • WO 2016109862 A1 discloses a loading device for loading a bending press with bending tools. This comprises a tool store with a large number of guide rails for holding and guiding bending tools and a transfer device for moving the bending tools. A clipboard with at least one guide rail is provided in order to expand the possibilities for maneuvering the bending tools. The tool store and clipboard can be moved relative to one another.
  • the WO2017004648A1 discloses a bending tool storage device with an annular outer tool storage and an inner tool storage - arranged within the outer tool storage.
  • the outer tool storage and the inner tool storage are rotatable relative to each other, with at least one guide rail of the outer tool storage in different relative rotational positions between the outer tool storage and the inner tool storage in each case with another guide rail of the inner tool storage in alignment.
  • the object of the present invention is to overcome the disadvantages of the prior art and to provide a storage device which can be constructed in a compact manner and by means of which the required space can be reduced and.
  • the loading of bending presses or the replacement of bending tools should be done faster.
  • the storage density is to be increased and the cost of production is to be reduced.
  • a storage device mentioned at the beginning in that the bending tool storage device has a rotating device between the transfer point and the supply path for rotating the bending tools and that the storage device has at least one second transfer device, by means of which a bending tool can be displaced along the tool guide of the supply path, having.
  • the bending tools can be stored in the storage device in an orientation that is inclined to the supply path. As a result, the available space can be optimally used. In addition, the correct orientation and sequence of the bending tools for the bending press can already be determined in the supply path.
  • the rotating device is a connecting link between the first transfer device and the supply path. It transfers a bending tool (coming from the first transfer device) to the supply path or rotates a bending tool (to be transferred to the first transfer device) out of the supply path.
  • the first transfer device can in particular be designed in such a way that it can pick up bending tools stored in several levels of the storage device.
  • the bending tools are transferred from the first transfer device either directly or via a connection point to the rotating device (this can be done, for example, by means of a manipulator of the first transfer device), or to an intermediate connection via which the bending tool subsequently reaches the rotating device.
  • the supply path (also called the feed path) is used to feed a connected bending press and / or (vice versa) to feed the storage device with bending tools.
  • the orientation of the delivery path is usually through the The bending press or its tool holders are specified and thus runs parallel to the bending line of the bending press.
  • the supply path of the storage device can comprise a tool guide for holding and guiding bending tools.
  • the term “supply path” is understood to mean a path via which bending tools can be moved away from the rotary device (e.g. in the direction of a connected bending press) and / or (coming from the opposite direction) towards the rotary device.
  • the supply path in the sense of the present application can, but does not have to, form a complete connection between the rotary device and a bending press (to be connected).
  • the supply path of the storage device can, however, also form only a section of such a connection or even only a connection point to which a further tool guide can be connected.
  • a supply path can also be understood as a guide section which serves as a parking position for a movable transfer device for moving the bending tools.
  • the storage device preferably comprises a drive which interacts with the rotating device, in particular a motor, by means of which the rotating device can be driven.
  • the drive can be controlled by a control device. The loading process can thereby be automated.
  • the storage spaces for the bending tools are preferably stationary, i.e. fixed relative to or on the frame.
  • the frame can be designed like a shelf, preferably with several shelf levels, for example in the form of a cupboard.
  • the storage locations, the first transfer device, the rotating device and the supply path can each have one or more tool guides in the form of guide rails which run essentially horizontally for holding and guiding bending tools.
  • the bending tools are transferred from one tool guide to the other and are therefore reliably held or guided during the entire transfer process.
  • the tool guides preferably have a linear course.
  • the bending tools for a bending press each have a forming section for shaping a workpiece and a guide section for holding and guiding the bending tool in a tool guide.
  • the guide section therefore defines the guide direction.
  • the storage device is preferably designed to accommodate upper tools (hanging) and lower tools (standing).
  • the storage device preferably comprises a rotating device for upper tools and a rotating device for lower tools, the rotating devices preferably being arranged one above the other.
  • the axes of rotation of the rotating devices can coincide.
  • the distance between the storage spaces provided in the storage device can vary depending on the type of tool, so that the highest possible packing density can be achieved. For the storage of wider tools, greater distances will be provided between the individual storage locations. With thinner tools, storage spaces with a smaller spacing will be used.
  • Storage locations can also be designed in such a way that several (in particular identical) tools are stored in one storage location. If the storage space is formed by a tool guide or storage rail, several tools can be arranged one behind the other.
  • a preferred embodiment is characterized in that the rotary device has at least one (preferably linear) tool guide which can be rotated about a preferably vertical axis of rotation, is in a first rotary position in alignment with the supply path and in a second rotary position points to the transfer point, preferably the angle of rotation between the first rotational position and the second rotational position is at least 45 °, preferably at least 60 °.
  • Alignment is understood to mean, in particular, that a bending tool can be moved from the tool guide of the rotary device by moving it along the tool guide into the tool guide of the supply path.
  • the rotating device can be designed in the form of a rotating disk.
  • the bending tool only has to move into the tool guide and then be rotated.
  • the rotating device thus forms a link between the first transfer device and the supply path.
  • a preferred embodiment is characterized in that the rotating device has at least two (preferably linear) tool guides rotatable about the axis of rotation, the tool guides being inclined to one another, preferably at an angle of at least 60 °.
  • the transfer of bending tools to the supply path is made considerably easier and shorter in terms of time by this measure.
  • two bending tools can be held or rotated by the rotating device or moved relative to the rotating device at the same time.
  • a bending tool can thus be moved from the first transfer device to the rotating device, while at the same time another bending tool is moved from the rotating device onto the supply path.
  • the set-up process of a bending press and thus the overall cycle times are noticeably shortened.
  • the at least two tool guides intersect, preferably in the axis of rotation. This also makes it possible to simply turn a bending tool. E.g. two tool guides could be inclined 90 ° to each other.
  • the tool guides of the rotating device run without crossing; they are then radially spaced from the axis of rotation and can, for example, be arranged in a triangular or square shape. This means that there are no problems with multiple tools.
  • a preferred embodiment is characterized in that the tool guides are arranged on a preferably disk-shaped platform which is rotatably mounted about the axis of rotation.
  • the platform can, for example, be designed in the form of a circular disk or merely as a framework, carrier or frame supporting the tool guides.
  • a preferred embodiment is characterized in that, in at least one rotational position of the rotary device, a first tool guide of the rotary device is aligned Alignment with the supply path is and a second tool guide of the rotary device points to the transfer point.
  • the rotary device can be loaded with a bending tool on one side (transfer point) and unloaded at the same time on another side (supply path).
  • a preferred embodiment is characterized in that at least one tool guide of the rotating device can be pivoted relative to the platform about a pivot axis which is spaced from the axis of rotation and parallel to the axis of rotation.
  • the tool guide can be swiveled out in order to be aligned with the (tool guide of the) first transfer device at the transfer point. This expands the possibilities of the loading processes of the rotating device. Regardless of the number and arrangement of the tool guides of the rotating device, it can thereby be ensured that one tool guide is always aligned with the loading path and another tool guide is oriented for loading. In order to achieve the latter as well, the relevant tool guide is pivoted about the pivot axis, if necessary.
  • the rotating device can have one or more drives by means of which the tool guide (s) can be pivoted relative to the platform.
  • the drive can be controlled by a control device. The loading process can thereby be automated.
  • a preferred embodiment is characterized in that the pivoting movement of the at least one tool guide about the pivot axis is limited by a stop preferably formed on the platform.
  • a certain orientation can be defined by the stop, in particular that orientation in which the tool guide is in alignment with the first transfer device.
  • a preferred embodiment is characterized in that the at least one tool guide of the rotating device passes between its first end and its second end a plane which is perpendicular to the longitudinal direction of the tool guide and which contains the axis of rotation.
  • the tool guide thus extends around the center plane.
  • the rotating device is formed by a disk-shaped platform, it is preferred if its diameter is at most 1.5 times the length of the tool guides of the storage spaces.
  • the first end and the second end of the at least one tool guide of the rotating device are preferably at essentially the same distance from the axis of rotation. This measure also has a positive effect on the space requirement and the compactness of the rotating device.
  • a preferred embodiment is characterized in that the at least one tool guide of the rotary device is at a distance from the axis of rotation at the point where it comes closest to the axis of rotation, the distance preferably being at least a quarter of the length of the tool guide.
  • the tool guides do not go through the axis of rotation, but run off-center. This prevents the tool guides from crossing and bending tools from interfering with one another. This measure also allows several, in particular three or four, tool guides to be provided on the rotating device with the least amount of space required.
  • a preferred embodiment is characterized in that the tool guides of the rotating device run along the sides of a preferably equilateral polygon, preferably an equilateral triangle or square.
  • the axis of rotation lies in the center of the equilateral polygon.
  • a preferred embodiment is characterized in that the storage spaces each include a tool guide for holding and guiding at least one bending tool. Saving and transferring can thus take place by means of tool guides, in particular guide rails, as a result of which the bending tool (with its guide section) is constantly held or moved in a guide.
  • a preferred embodiment is characterized in that the tool guides of the storage spaces are inclined to the tool guide of the supply path, preferably at an angle of at least 45 °, particularly preferably at an angle of at least 60 °, in particular at an angle of 60 ° or at an angle of 90 °. As already mentioned, this results in a particularly space-saving construction.
  • the storage locations can be arranged one after the other along the direction of the provision path.
  • the tool guides of the storage locations are arranged parallel to one another at least in groups.
  • a preferred embodiment is characterized in that the at least one first transfer device for receiving a bending tool comprises a tool holder with which the storage spaces and the transfer point can be approached.
  • the tool holder is used to securely hold the bending tool during the process with the first transfer device. It is preferred if the tool holder can be moved in at least two spatial directions (horizontal and vertical) in order to be able to approach the storage locations arranged in several planes.
  • a preferred embodiment is characterized in that the tool holder comprises a tool guide for holding and guiding at least one bending tool, the tool guide of the tool holder being able to be brought into alignment with the tool guides of the storage locations. This means that the bending tools can be moved between the tool holder and the storage locations or the rotating device (along the tool guide).
  • a preferred embodiment is characterized in that the tool guide of the tool holder is pivotable about a pivot axis parallel to the axis of rotation of the rotating device, preferably by an angle of at least 45 °, particularly preferably by an angle of at least 60 °, in particular by an angle of 60 ° .
  • the tool guide of the tool holder is pivotable about a pivot axis parallel to the axis of rotation of the rotating device, preferably by an angle of at least 45 °, particularly preferably by an angle of at least 60 °, in particular by an angle of 60 ° .
  • a preferred embodiment is characterized in that the first transfer device has a manipulator which can be moved with the tool holder and by means of which a bending tool can be displaced along the tool guide into and / or out of the tool holder.
  • the retrieval and storage of bending tools can thus be fully automated.
  • the storage device has at least one second transfer device, by means of which a bending tool can be displaced along the tool guide of the supply path.
  • the loading or retrieval process can thus take place independently of the first transfer device.
  • the concept of the rotating device represents a separation between the actual loading or retrieval process along the supply path and the picking up or storage of the bending tools from or into the storage location (s) by the first transfer device.
  • the first transfer device and the second transfer device work parallel.
  • the rotating device represents a link between the first and second transfer device.
  • the first transfer device and the second transfer device can be controlled independently of one another by a control device.
  • the transfer device can therefore work in parallel in time.
  • the second transfer device comprises a shuttle that can be moved along the tool guide, preferably in the tool guide of the supply path, preferably in the form of a slide or carriage, the shuttle preferably having a releasable coupling for connecting a bending tool to the shuttle having.
  • the shuttle can be connected to an elongated tension / pressure transmission means (in particular in the form of a chain, a rope or a belt).
  • a drive which is preferably connected to a control device, acts on the retractable / extendable tension / pressure transmission means and thus moves the shuttle along the tool guide of the supply path.
  • Such a drive concept is also referred to as a pull / push actuator.
  • the second transfer device has an extendable elongated (in particular flexible) tension and pressure transmission means, preferably in the form of a chain, a rope or a belt, which can be moved along the tool guide, preferably in the tool guide of the supply path .
  • a memory in particular a roll-up device or a memory with a spiral-like and / or meandering link guide, can be provided for holding the tension and pressure transmission means in the retracted state.
  • a preferred embodiment is characterized in that storage locations of a first group of storage locations are formed by mutually parallel first tool guides and storage locations of a second group of tool guides are formed by mutually parallel second tool guides, the first tool guides being inclined to the second tool guides, preferably at an angle of at least 45 °, particularly preferably at an angle of at least 60 °, in particular at an angle of 60 °.
  • a preferred embodiment is characterized in that the rotating device is arranged between storage locations in the first group and storage locations in the second group. This means that the area around the rotating device can be optimally used for storage spaces.
  • a preferred embodiment is characterized in that the rotating device is carried by the frame, the rotating device preferably being arranged in a shelf compartment of the frame.
  • the rotating device is thus carried by the same frame on which the storage spaces are also formed.
  • the storage device can be implemented as a compact construction and combine all functions (storage, provision in a desired sequence and orientation and loading of a bending press).
  • a preferred embodiment is characterized in that the supply path has a first guide section and a second guide section, with at least part of the second transfer device being arranged in its retracted position in the first guide section and with a bending tool along the second guide section is displaceable out of and / or into the storage device, and that at least part of the rotating device is arranged between the first guide section and the second guide section of the supply path.
  • this creates a parking position for the second transfer device; on the other hand, the second transfer device can be used at the same time to transfer a bending tool from the rotary device to the supply path and (without changing the direction of movement) to load a bending press.
  • a preferred embodiment is characterized in that the storage spaces are arranged in at least two levels, with several storage spaces preferably being arranged in one shelf of the frame At least some of the storage locations are preferably arranged below and / or above the rotating device. Through these measures, the available space is used in the best possible way.
  • a preferred embodiment is characterized in that the at least one first transfer device is arranged on a first side of the frame and the supply path is arranged on a side of the frame opposite the first side, the rotating device forming a hatch between the opposite sides of the frame.
  • the transfer devices are not in each other's way and retain maximum freedom of movement.
  • a preferred embodiment is characterized in that the first transfer device, the second transfer device and the rotating device each have at least one drive and / or actuator and can be controlled by a control device. This allows the individual actions of the various components to be coordinated with one another in the best possible way.
  • the first transfer device and the second transfer device each have at least one displacement drive and the rotating device has a rotary drive (for rotating the tool guide about the axis of rotation).
  • a preferred embodiment is characterized in that the memory device can be expanded in a modular manner and / or is formed from at least two memory modules that are detachably connected to one another and each have a large number of memory locations. Thereby the storage capacity can be changed as required.
  • a first storage module (which also includes the rotating device) with a corresponding storage capacity of tools can be provided as basic equipment.
  • a second memory module offers the possibility of memory expansion, for example for processing thick sheet metal and / or thin sheet metal and / or other types of workpieces.
  • the memory size can be expanded as required by adding or connecting additional memory modules.
  • a preferred embodiment is characterized in that the storage device has at least one loading point accessible from outside the storage device, preferably via a loading hatch, for in particular manual loading of the storage device with bending tools, the loading point preferably being approachable by the first transfer device and / or by at least a tool guide is formed.
  • This enables tools to be stored and retrieved parallel to production by an operator during operation, i.e. the set-up or bending processes do not have to be interrupted in order to enable the use of new tools (not yet available in the storage device).
  • the invention also relates to an arrangement comprising a bending press and at least one bending tool storage device connected to the bending press or its tool holder (s). It is preferred here if a first storage device is connected to one side of the bending press and a second side is connected to the opposite side of the bending press.
  • the storage devices are (indirectly) connected to one another via the tool holder (s) of the bending press. This means that the set-up and change processes can be carried out even faster.
  • the object is also achieved by a method for loading a bending press with bending tools and / or for replacing bending tools in a bending press, the bending press being connected to a bending tool storage device according to the invention, and bending tools between the storage locations of the bending tool storage device and the tool holder of the bending press by actuating the first transfer device, actuating the rotating device and moving the bending tools along the supply path to the bending press and / or retrieved by the bending press.
  • the first transfer device removes (by means of a manipulator) a bending tool from the storage location and pushes it into the rotating device (also known as the tool turning unit).
  • the manipulator can for example comprise a magnetic and / or mechanical gripper and / or a suction gripper.
  • the bending tool can now be turned in the rotating device or swiveled into the supply line (supply path) in a normal alignment.
  • the second transfer device also called the bending line manipulator
  • the second transfer device pushes the tool to the desired position in the tool holder of the bending press.
  • the first transfer device can already remove a further tool from a storage location and thus load the rotating device.
  • the bending tool storage device can have the same components for upper tools and lower tools: storage locations, first transfer devices, rotating devices and second transfer devices.
  • the upper and lower tools are stored and loaded independently of one another according to the principle described above.
  • the lower tools are each in tool guides and the upper tools are each suspended in tool guides.
  • Several tools can be sorted according to type in the tool guide of a storage location.
  • the shelf In order to increase the storage capacity, the shelf can be stretched in length or built higher. The height and side distances of the storage rails are adjusted according to the tool to be stored.
  • the rotating device represents the connecting link between the first and second transfer device.
  • the tool is pushed or retracted into the rotating device and optionally pivoted to the bending line by turning it to the left or right.
  • the orientation (turning of the tool) can be defined on the basis of the direction of rotation.
  • the second The transfer device can be designed in such a way that it pushes the tool through the rotary device into the tool holder of the bending press or (in the opposite direction) pulls the tool out of the bending press into the rotary device.
  • All information on value ranges in the present description should be understood to include any and all sub-areas, e.g. the information 1 to 10 should be understood to include all sub-areas, starting from the lower limit 1 and the upper limit 10 , ie all sub-ranges begin with a lower limit of 1 or greater and end at an upper limit of 10 or less, for example 1 to 1.7, or 3.2 to 8.1, or 5.5 to 10.
  • Fig. 1 , 2 and 3 show a bending tool storage device 1 for storing bending tools 2.
  • a plurality of storage locations 4 with bending tools 2 (here: upper and lower tools) are arranged on a shelf-like frame 3.
  • the lower tool-related components of the storage device 1 are explained in more detail below.
  • the upper tool-related components work on the same principle, except that the upper tools are transported and stored hanging (and not standing).
  • a first transfer device for transferring bending tools 2 is arranged between the storage locations 4 and a transfer point 6.
  • the storage device has a rotating device 7 for rotating the bending tools 2.
  • the rotating device represents a link between the first transfer device 5 and a second transfer device 20 (described in detail below).
  • the rotating device 7 has at least one tool guide 9 that can be rotated about a preferably vertical axis of rotation 8, which in a first rotational position is in alignment with the supply path 10 and in a second rotational position to the transfer point 6 (see FIG Fig. 1 and 10 ) has.
  • the angle of rotation between the first rotational position and the second rotational position is preferably at least 45 °, preferably at least 60 ° (see also the variants according to FIG Fig. 4, 5 and 8th at which this angle of rotation is 90 ° or 120 °).
  • the rotating device 7 has at least two tool guides 9 rotatable about the axis of rotation 8, the tool guides 9 being inclined to one another, preferably at an angle of at least 60 °.
  • An embodiment with two tool guides 9 is shown in FIG Fig. 5 , with three tool guides 9 in the Fig. 7 and 8th and with four tool guides 9 in Fig. 4 shown.
  • the tool guides 9 of the rotating device 7 are arranged on a disk-shaped platform 17 which is mounted rotatably about the axis of rotation 8.
  • a first tool guide 9 of the rotary device 7 is in alignment with the supply path 10 and has a second tool guide 9 of the rotary device 7 towards the transfer point 6.
  • Fig. 7 shows a special embodiment in which the tool guides 9 of the rotating device 7 can be pivoted relative to the platform 17 about pivot axes 19, which are spaced from the axis of rotation 8 and parallel to the axis of rotation 8.
  • the transfer device 5 can transfer a bending tool to a tool guide 9 of the rotating device 7, then move to the second position and there remove another bending tool from the rotating device 7 from another tool guide 9 of the rotating device 7 and bring it to a storage location 4.
  • the pivoting movement of the tool guides 9 about the pivot axis 19 can be limited by a stop 18 preferably formed on the platform 17.
  • a drive (not shown) can be activated by a control device in order to bring about this pivoting movement about the pivot axis 19.
  • the tool guides of the rotating device 7 are designed such that each tool guide between its first end and its second end passes a plane which is perpendicular to the longitudinal direction of the respective tool guide and which contains the axis of rotation 8.
  • the first end and the second end of the respective tool guides 9 of the rotary device 7 have essentially the same distance from the axis of rotation 8 in all of the illustrated embodiments.
  • the tool guides 9 of the rotating device 7 run along the sides of a preferably equilateral polygon, preferably an equilateral triangle or a square.
  • the storage locations 4 and the first transfer device 5 are described in more detail below:
  • the storage locations 4 each include a tool guide 14 for holding and guiding at least one bending tool 2 ( Fig. 1 , 6th and 9 ).
  • the tool guides 14 of the storage locations 4 are inclined to the tool guide 11 of the supply path 10, preferably by an angle of at least 45 °, particularly preferably by an angle of at least 60 °. In Fig. 1 this angle is 90 °, in Fig. 6 this angle is 60 °.
  • the first transfer device 5 for receiving a bending tool 2 comprises a tool holder 15 with which the storage locations 4 and the transfer point 6 can be approached.
  • the tool holder 15 comprises a tool guide 16 for holding and guiding at least one bending tool 2.
  • the tool guide 16 of the tool holder 15 can be brought into alignment with the tool guides 14 of the storage locations 4, so that a bending tool 2 is moved from a storage location 4 into the tool holder 15 can be.
  • Fig. 9 is the tool guide 16 of the tool holder 15 about a pivot axis 13 parallel to the axis of rotation 8 of the rotary device 7 pivotable (here by an angle of at least 60 °).
  • two tool guides 9 of the rotating device 7 can be loaded (see the two arrows inclined by 60 ° in FIG Fig. 9 ) without having to turn the rotating device 7.
  • the first transfer device 5 can have a manipulator 12 that can be moved with the tool holder 15 (in Fig. 1 and 8th shown schematically), by means of which a bending tool 2 can be displaced along the tool guide 14, 16 into and / or out of the tool holder 15.
  • the storage device 1 also has a second transfer device 20, by means of which a bending tool 2 can be displaced along the tool guide 11 of the supply path 10 ( Fig. 2 and 3 ).
  • the second transfer device 20 can comprise a shuttle 21, preferably in the form of a slide or carriage, which can be moved along the tool guide 11, preferably in the tool guide 11 of the supply path 10.
  • the shuttle 21 can have a releasable (e.g. mechanical, magnetic or suction) coupling for connecting a bending tool 2 to the shuttle 21.
  • the shuttle 21 can be moved self-propelled or by an elongated tension / pressure transmission means (in particular a chain) (not shown).
  • the tension / pressure transmission means can also be moved in the tool guide 11 of the supply path 10.
  • Fig. 1 it can also be seen that the rotating device 7 is carried by the frame 3 and is arranged in a shelf compartment of the frame 3.
  • the supply path 10 can have a first guide section 25 and a second guide section 26, with at least part of the second transfer device 20 (here the shuttle 21) being arranged in its retracted position in the first guide section 25 and with a bending tool 2 along the second guide section 26 can be displaced from and / or into the storage device 1. At least a section of the rotating device 7 is arranged between the first guide section 25 and the second guide section 26 of the supply path 10 (see e.g. Fig. 4 ).
  • the storage spaces 4 can be seen arranged in at least two levels, it being possible for a plurality of storage spaces 4 to be arranged in a shelf compartment of the frame 3. In the embodiment shown, at least some of the storage locations 4 are arranged below and / or above the rotating device 7.
  • a preferred aspect is also that the at least one first transfer device 5 on a first side of the frame 3 ( Fig. 1 ) and the supply path 10 on a side of the frame 3 opposite the first side ( Fig. 2 ) is arranged.
  • the rotating device 7 forms a hatch between the opposite sides of the frame 3.
  • Fig. 3 shows an arrangement of a bending press 27 and a bending tool storage device 1 connected to the bending press.
  • bending tools 2 between the storage locations 4 are the bending tools Storage device 1 and the tool holder 28 of the bending press 27 issued to the bending press 27 and / or obtained by the bending press 27 by actuating the first transfer device 5, actuating the rotating device 7 and moving the bending tools 2 along the supply path 10 (by means of the second transfer device 20).
  • first and second transfer devices can work independently of one another, as a result of which the cycle times in the production of workpieces can be significantly reduced.
  • FIG. 3 shows only one storage device 1 connected to the bending press 27, two storage devices could be connected to the bending press in an expanded embodiment. It is preferred if a first storage device on one side of the press brake (see Fig. 3 ) and a second storage device is connected to the opposite side of the press brake.
  • Fig. 11 shows a memory device 1 which can be expanded in a modular manner or is formed from at least two memory modules 30, 31 detachably connected to one another, each having a plurality of memory locations 4.
  • the rotating device 7 can be accommodated in the first storage module 30, while the second storage module 31 can only accommodate storage locations 4.
  • the first transfer device 5 (not shown) can be designed in such a way that it can approach the memory locations of the first and second memory modules.
  • Fig. 11 also shows a loading point 29, accessible from outside the storage device 1, for example via a loading hatch, for in particular manual loading of the storage device 1 with bending tools 2 (here for upper and lower tools).
  • the loading point 29 can be approached by the first transfer device 5 and is preferably formed by at least one tool guide. In this way, the bending tools that are placed in the loading point can be picked up by the first transfer device in the same way as the bending tools that are arranged in the storage locations.
  • the tool guide of the loading point 29 is preferably parallel to the tool guides of the storage locations 4.
  • Fig. 12 finally shows the second transfer device 20.
  • a shuttle 21 is along the tool guide 11, here even in the tool guide 11 of the supply path 10 or (in the further course) in the tool holder 28 of a connected bending press 27 (see FIG Fig. 3 ) movable.
  • the shuttle 21 is pushed or pulled by an elongated pull / pressure transfer means 32.
  • the transmission means 32 is preferably formed from chain links.
  • the tension and pressure transmission means 32 is along the tool guide 11, here in the tool guide 11 of the supply path 10 or (in the further course) in the tool holder 28 of a connected bending press 27 (see FIG Fig. 3 ) movable.
  • the components in particular the first transfer device, the second transfer device and the rotating device, can be controllable by a control device.
  • the interaction between these components can be optimized in this way.
  • ⁇ b> List of reference symbols ⁇ /b> 1 Bending tool storage device 29 Loading Station tion 30th first memory module 2 Bending tool 31 second memory module 3 frame 32
  • Tension / pressure transmission means 4th Storage space 5 first transfer device 6th Transfer point 7th Rotating device 8th Axis of rotation 9 Tool guide 10 Deployment Path 11 Tool guide 12th manipulator 13th Swivel axis 14th Tool guide 15th Tool holder 16 Tool guide 17th platform 18th attack 19th Swivel axis 20th second transfer device 21 Shuttle 22nd first group of storage locations 23 second group of storage locations 24 Tool guides 25th first guide section 26th second guide section 27 Bending press 28 Tool holder

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Claims (29)

  1. Dispositif de stockage d'outil de pliage (1) pour le stockage d'outils de pliage (2), comprenant :
    - un châssis (3) de préférence en forme d'étagère, sur lequel sont disposés une pluralité d'emplacements de stockage (4) pour des outils de pliage (2),
    - au moins un trajet de mise à disposition (10), de préférence sous la forme d'un guidage d'outil (11), pour la distribution et/ou la prise d'outils de pliage (2),
    - au moins un dispositif de transfert (5) pour le transfert d'outils de pliage (2) entre les emplacements de stockage (4) et un point de transfert (6),
    dans lequel le dispositif de stockage d'outils de pliage (1) comprend, entre le point de transfert (6) et le trajet de mise à disposition (10), un dispositif rotatif (7) pour la rotation des outils de pliage (2), caractérisé en ce que le dispositif de stockage (1) comprend au moins un deuxième dispositif de transfert (20), au moyen duquel un outil de pliage (2) peut être coulissé le long du guidage d'outil (11) du trajet de mise à disposition (10).
  2. Dispositif de stockage selon la revendication 1, caractérisé en ce que le dispositif rotatif (7) comprend au moins un guidage d'outil (9) rotatif autour d'un axe de rotation (8), de préférence vertical, qui est, dans une première position de rotation, aligné avec le trajet de mise à disposition (10) et, dans une deuxième position de rotation, orienté vers le point de transfert (6), dans lequel de préférence l'angle de rotation entre la première position de rotation et la deuxième position de rotation est d'au moins 45°, de préférence d'au moins 60°.
  3. Dispositif de stockage selon la revendication 1 ou 2, caractérisé en ce que le dispositif rotatif (7) comprend au moins deux guidages d'outils (9) rotatifs autour de l'axe de rotation (8), dans lequel les guidages d'outils (9) sont inclinés l'un par rapport à l'autre, de préférence d'un angle d'au moins 60°.
  4. Dispositif de stockage selon la revendication 3, caractérisé en ce que les guidages d'outils (9) du dispositif de rotation (7) sont disposés sur une plateforme (17), de préférence en forme de disque, qui est logé de manière rotative autour de l'axe de rotation (8).
  5. Dispositif de stockage selon la revendication 3 ou 4, caractérisé en ce que, dans au moins une position de rotation du dispositif de rotation, un premier guidage d'outil (9) du dispositif de rotation (7) est aligné avec le trajet de mise à disposition (10) et un deuxième guidage d'outil (9) du dispositif de rotation (7) est orienté vers le point de transfert (6).
  6. Dispositif de stockage selon l'une des revendications 3 à 5, caractérisé en ce qu'au moins un guidage d'outil (9) du dispositif de rotation (7) peut pivoter par rapport à la plateforme (17) autour d'un axe de pivotement (19), qui est distant de l'axe de rotation (8) et parallèle à l'axe de rotation (8).
  7. Dispositif de stockage selon la revendication 6, caractérisé en ce que le mouvement de pivotement de l'au moins un guidage d'outil (9) autour de l'axe de pivotement (19) est limité par une butée (18) réalisée de préférence sur la plateforme (17).
  8. Dispositif de stockage selon l'une des revendications 2 à 7, caractérisé en ce que l'au moins un guidage d'outil (9) du dispositif de rotation (7), entre sa première extrémité et sa deuxième extrémité, passe un plan (E) qui est perpendiculaire à la direction longitudinale du guidage d'outil (9) et qui contient l'axe de rotation (8) et/ou en ce que la première extrémité et la deuxième extrémité de l'au moins un guidage d'outil (9) du dispositif de rotation (7) présentent globalement la même distance par rapport à l'axe de rotation (8).
  9. Dispositif de stockage selon l'une des revendications 2 à 8, caractérisé en ce que l'au moins un guidage d'outil (9) du dispositif de rotation (7) présente, à l'endroit où il est le plus proche de l'axe de rotation (8), une distance (A) par rapport à l'axe de rotation (8), dans lequel la distance (A) représente de préférence au moins un quart de la longueur du guidage d'outil (9).
  10. Dispositif de stockage selon l'une des revendications 3 à 9, caractérisé en ce que les guidages d'outils (9) du dispositif de rotation (7) s'étendent le long des côtés d'un polygone de préférence équilatéral, de préférence d'un triangle équilatéral ou d'un carré.
  11. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que les emplacements de stockage (4) comprennent chacun un guidage d'outil (14) pour le maintien et le guidage d'au moins un outil de pliage (2).
  12. Dispositif de stockage selon la revendication 11, caractérisé en ce que les guidages d'outils (14) des emplacements de stockage (4) sont inclinés par rapport au guidage d'outil (11) du trajet de mise à disposition (10), de préférence d'un angle d'au moins 45°, plus particulièrement de préférence d'un angle d'au moins 60°, plus particulièrement d'un angle de 60° ou d'un angle de 90°.
  13. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que l'au moins un premier dispositif de transfert (5) comprend, pour le logement d'un outil de pliage (2) comprend un logement d'outil (15), avec lequel il est possible d'accéder aux emplacements de stockage (4) et au point de transfert (6).
  14. Dispositif de stockage selon la revendication 13, caractérisé en ce que le logement d'outil (15) comprend un guidage d'outil (16) pour le maintien et le guidage d'au moins un outil de pliage (2), dans lequel le guidage d'outil (16) du logement d'outil (15) peut être mis en alignement avec les guidages d'outils (14) des emplacements de stockage (4).
  15. Dispositif de stockage selon la revendication 14, caractérisé en ce que le guidage d'outil (16) du logement d'outil (15) peut être pivoté autour d'un axe de pivotement (13) parallèle à l'axe de rotation (8) du dispositif de rotation (7), de préférence d'un angle d'au moins 45°, plus particulièrement de préférence d'un angle d'au moins 60°, plus particulièrement d'un angle de 60°.
  16. Dispositif de stockage selon l'une des revendications 13 à 15, caractérisé en ce que le premier dispositif de transfert (5) comprend un manipulateur (12) pouvant être déplacé avec le logement d'outil (15), qui permet de faire coulisser un outil de pliage (2) le long du guidage d'outil (14, 16) dans et/ou hors du logement d'outil (15).
  17. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que le deuxième dispositif de transfert (20) peut être contrôlé indépendamment et/ou simultanément avec le dispositif de transfert (5).
  18. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que le deuxième dispositif de transfert (20) comprend une navette (21) mobile le long du guidage d'outil (11), de préférence dans le guidage d'outil (11) du trajet de mise à disposition (10), de préférence sous la forme d'un chariot, dans lequel de préférence la navette (21) comprend un couplage amovible pour la liaison d'un outil de pliage (2) à la navette (21).
  19. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que le deuxième dispositif de transfert (20) comprend un moyen de transmission de traction et de pression allongé télescopique (32), de préférence sous al forme d'une chaîne, d'un câble ou d'une bande, qui est mobile le long du guidage d'outil (11) de préférence dans le guidage d'outil (11) du trajet de mise à disposition (10).
  20. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que des emplacements de stockage (4) d'un premier groupe (22) d'emplacements de stockage sont constitués de premiers guidages d'outils (14) parallèles entre eux et des emplacements de stockage d'un deuxième groupe (23) de guidages d'outils sont constitués de deuxièmes guidages d'outils (24) parallèles entre eux, dans lequel les premiers guidages d'outils (14) sont inclinés par rapport aux deuxièmes guidages d'outils (24), de préférence d'un angle d'au moins 45°, plus particulièrement de préférence d'un angle d'au moins 60°, plus particulièrement d'un angle de 60°.
  21. Dispositif de stockage selon la revendication 20, caractérisé en ce que le dispositif de rotation (7) est disposé entre des emplacements de stockage (4) du premier groupe (22) et des emplacements de stockage (4) du deuxième groupe (23).
  22. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que le dispositif de rotation (7) est supporté par le châssis (3), dans lequel, de préférence, le dispositif de rotation (7) est disposé dans un compartiment d'étagère du châssis (3).
  23. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que le trajet de mise à disposition (10) comprend une première portion de guidage (25) et une deuxième portion de guidage (26), dans lequel au moins une partie du deuxième dispositif de transfert (20) est disposé, dans sa position rétractée, dans la première portion de guidage (25) et dans lequel un outil de pliage (2) peut coulisser le long de la deuxième portion de guidage (26) hors de et/ou vers le dispositif de stockage (1), et en ce qu'au moins une partie du dispositif de rotation (7) est disposée entre la première portion de guidage (25) et la deuxième portion de guidage (26) du trajet de mise à disposition (10).
  24. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que les emplacements de stockage (4) sont disposés dans au moins deux plans, dans lequel de préférence plusieurs emplacements de stockage (4) sont disposés dans un compartiment d'étagère du châssis (3),
    et/ou en ce qu'au moins une partie des emplacements de stockage (4) est disposée en dessous et/ou au-dessus du dispositif de rotation (7).
  25. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que l'au moins un premier dispositif de transfert (5) est disposé sur un premier côté du châssis (3) et le trajet de mise à disposition (10) est disposé sur un côté du châssis (3) opposé au premier côté, dans lequel le dispositif de rotation (7) forme un passage entre les côtés opposés du châssis (3).
  26. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que le premier dispositif de transfert (5), le deuxième dispositif de transfert (20) et le dispositif de rotation (7) comprennent chacun au moins un entraînement et/ou un actionneur et peuvent être contrôlés par un dispositif de commande.
  27. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que le dispositif de stockage (1) est extensible de manière modulaire et/ou est constitué d'au moins deux modules de stockage (30, 31) reliés entre eux de manière amovible, qui comprennent chacun une pluralité d'emplacements de stockage (4).
  28. Dispositif de stockage selon l'une des revendications précédentes, caractérisé en ce que le dispositif de stockage (1) comprend au moins un point de chargement (29), accessible de l'extérieur du dispositif de stockage (1), de préférence par l'intermédiaire d'une écoutille de chargement, plus particulièrement pour l'équipement manuel du dispositif de stockage (1) avec des outils de pliage (2), dans lequel, de préférence, le point de chargement (29) est accessible par le premier dispositif de transfert (5) et/ou est constitué d'au moins un guidage d'outil.
  29. Procédé d'alimentation d'une presse plieuse (27) en outils de pliage (2) et/ou pour le changement des outils de pliage (2) dans une presse plieuse (27), dans lequel la presse plieuse (27) est reliée avec un dispositif de stockage d'outils de pliage (1), caractérisé en ce que le dispositif de stockage d'outils de pliage (1) est conçu selon l'une des revendications précédentes et en ce que les outils de pliage (2) sont sortis vers la presse plieuse (27) et/ou sont retirés de la presse plieuse (27) entre les emplacements de stockage (4) du dispositif de stockage d'outils de pliage (1) et le support d'outil (28) de la presse plieuse (27) par l'actionnement du premier dispositif de transfert (5), l'actionnement du dispositif de rotation (7) et le coulissement des outils de pliage (2) le long du trajet de mise à disposition (10).
EP18719409.7A 2017-02-08 2018-02-07 Magasin d'outils de cintrage et procédé de chargement d'une presse-plieuse Active EP3579987B1 (fr)

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ATA50099/2017A AT519480B1 (de) 2017-02-08 2017-02-08 Biegewerkzeug-Speichervorrichtung
PCT/AT2018/060032 WO2018145137A1 (fr) 2017-02-08 2018-02-07 Magasin d'outils de cintrage et procédé de chargement d'une presse-plieuse

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Publication number Publication date
EP3579987A1 (fr) 2019-12-18
CN110267749B (zh) 2021-01-22
JP2020506807A (ja) 2020-03-05
AT519480B1 (de) 2018-07-15
WO2018145137A1 (fr) 2018-08-16
AT519480A4 (de) 2018-07-15
JP7085556B2 (ja) 2022-06-16
US11717871B2 (en) 2023-08-08
US20200001340A1 (en) 2020-01-02
CN110267749A (zh) 2019-09-20

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