EP3833520A1 - Dispositif de manutention de pièces et procédé d'usinage en pile de pièces en forme de plaque - Google Patents

Dispositif de manutention de pièces et procédé d'usinage en pile de pièces en forme de plaque

Info

Publication number
EP3833520A1
EP3833520A1 EP19752459.8A EP19752459A EP3833520A1 EP 3833520 A1 EP3833520 A1 EP 3833520A1 EP 19752459 A EP19752459 A EP 19752459A EP 3833520 A1 EP3833520 A1 EP 3833520A1
Authority
EP
European Patent Office
Prior art keywords
workpiece
plate
parallel
shaped
designed
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.)
Pending
Application number
EP19752459.8A
Other languages
German (de)
English (en)
Inventor
Daniel Schramm
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.)
Homag Bohrsysteme GmbH
Original Assignee
Homag Bohrsysteme 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 Homag Bohrsysteme GmbH filed Critical Homag Bohrsysteme GmbH
Publication of EP3833520A1 publication Critical patent/EP3833520A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90—Devices for picking-up and depositing articles or materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/005—Lifting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/10—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of magazines
    • B23Q7/103—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of magazines for flat material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G59/00—De-stacking of articles
    • B65G59/02—De-stacking from the top of the stack
    • B65G59/04—De-stacking from the top of the stack by suction or magnetic devices
    • B65G59/045—De-stacking from the top of the stack by suction or magnetic devices with a stepwise upward movement of the stack

Definitions

  • the invention relates to processing machines, in particular CNC machines, which preferably process plate-shaped workpieces made of wood, wood-containing material, composite material, plastic or the like. More precisely, the invention relates to the handling, more precisely the feeding of the workpieces in question into the machining area of a processing machine and / or the removal of the workpieces in question from the machining area of a
  • Processing machines can be designed so that they are able to plate-shaped workpieces from one
  • Record storage device transfer it to a processing area and one or more in this area
  • Processing machines designed in this way are preferably used when several plate-shaped workpieces are to be subjected to the same or similar processing steps sequentially.
  • EP1645379A1 discloses one
  • a plate stack area or a storage device can be designed such that the height of the uppermost plate-shaped workpiece can be changed. For example, this is the Case when a plate stack is arranged on a scissor lift table (see. DE102010001724A1).
  • a method for handling plate-shaped workpieces can include the following steps:
  • the processing machine including the processing area can be provided, for example, by a platform
  • the height-adjustable platform can then take on lower positions.
  • a disadvantage of the prior art is the fact that the efficiency of a processing machine can be limited by the handling of plate-shaped workpieces.
  • the object of the invention is in the range mentioned
  • this object is achieved by a
  • the workpiece handling device is suitable for handling at least one plate-shaped workpiece, which is preferably made at least in sections of wood, wood-containing material, composite material or
  • the workpiece handling device comprises a lifting unit and a lifting unit
  • the gripping unit is set up to execute a movement parallel to at least one first direction RI and also comprises a workpiece holding device which is designed such that it has a reversible non-positive and / or positive connection with at least one plate-shaped workpiece can enter.
  • Workpiece holder can, for example, as
  • the gripping unit is designed such that the
  • Workpiece receiving device can execute a movement parallel to a second direction R2 that is different from the first direction RI.
  • the lifting unit of the workpiece handling device has at least one guide element. This is the case
  • the guide element is designed, at least one
  • a workpiece handling device is significantly more flexible and efficient than known workpiece handling devices.
  • the at least one guide element can be a guide roller, an arrangement of several guide rollers, one or more guide rails or one or more
  • the at least one guide element can be made of metal,
  • Polypropylene, polyethylene, polyoxymethylene or polyurethane are used.
  • the at least one guide element can be designed passively, for example one
  • the at least one guide element can also be actively configured and in this sense have an independent drive.
  • the passive variant can be advantageous due to the low complexity
  • the workpiece receiving device and / or the at least one guide element can be operated hydraulically, pneumatically and / or electrically, for example
  • Actuators take place.
  • the named actuators stand out in connection with an inventive one
  • Workpiece handling device set up to move plate-shaped workpieces in a first direction RI and a second direction R2, the direction R2 preferably being oriented parallel to the direction of gravity or having a component which is oriented parallel to the direction of gravity.
  • This embodiment is particularly advantageous when the plate-shaped workpieces to be handled are mounted horizontally, since in this case lateral guidance is not absolutely necessary during the movement.
  • the direction R2 can also be oriented as desired. In this sense, it is noted that the direction R2 preferably runs in a straight line, but also through a
  • Path curve can be described, which is defined for example by a three-dimensional vector field.
  • a movement parallel to a direction R2 can thus also be referred to as a movement parallel to a trajectory R2 and can accordingly have not only translational but also rotational components.
  • directions RI and R2 apply to the fact that they can be described by two non-identical three-dimensional vector fields.
  • Movements along non-rectilinear trajectory curves may be necessary, for example, when horizontal
  • the gripping unit and the lifting unit of the workpiece handling device can have a common one
  • Have control unit This is preferably set up, the first travel speed of the
  • control unit v2 To control the travel speed of the at least one guide element v2. According to the control unit
  • the workpiece handling device can be combined with a storage device and, together with it, forms a system.
  • a storage device belonging to this system is suitable for storing at least one plate-shaped workpiece. If several plate-shaped workpieces are stored in or on the storage device, they are preferably stacked
  • An essential characteristic of the system is that the gripping unit of the
  • Workpiece handling device is designed such that the workpiece receiving device has a reversible, non-positive and / or positive connection with at least one
  • plate-shaped workpiece can enter, which is stored in or on the storage device.
  • a system in question thus combines the advantages of a workpiece handling device according to the invention with the advantages of a storage device.
  • Storage device can, for example, the stocking of plate-shaped workpieces close to a
  • Transport routes and set-up times can be named.
  • the storage device is preferably set up, the at least one stored in or on it
  • the bearing device can enable the named movement in a particularly simple and comparatively inexpensive manner if it is designed as a scissor lift table.
  • a processing machine comprises one
  • the processing table has one
  • the processing machine can be used as a flat table machine
  • the workpiece support plane of the processing table is oriented perpendicular to the direction of gravity.
  • Flat table machines are advantageous, for example, in that plate-shaped workpieces that are located in the machining area
  • the lifting unit is furthermore the
  • Processing machine can be sunk. In this way it is possible that a plate-shaped workpiece to be machined is stable on the machining table
  • Processing machine can be attached. Sinking the lifting unit also prevents possible collisions between clamping devices and parts of the lifting unit.
  • Processing machine without a workpiece handling device is not larger, the lifting unit or at least the at least one guide element of the lifting unit in the
  • Machining table of the processing machine can be integrated. Specifically, this means that a boundary contour Kl, which as vertical projection of the at least one guide element is defined in the workpiece support plane, is partially or completely enclosed by a boundary contour K2, the boundary contour K2 being defined as a vertical projection of the machining table in the workpiece support plane.
  • the processing machine comprises a system of workpiece handling device and storage device, a processing table with a
  • reversible, non-positive and / or positive connection can enter into at least one plate-shaped workpiece which is stored in or on the bearing device;
  • the acute angle that the at least one plate-shaped workpiece lies during all is preferably
  • Process steps with the workpiece support level include between 0 and 45 °, particularly preferably between 0 and 15 °. Such an orientation is considered advantageous in that it enables a uniform, homogeneous movement.
  • the plate-shaped workpiece being stored in or on the bearing device during the movement.
  • the bearing device is designed as a scissor lift table and the direction R2 is oriented parallel to the direction of gravity. This way the number of the
  • the present invention can be used not only to transfer one or more plate-shaped workpieces from a storage device to a processing table Processing machine can be used. Furthermore, a method according to the invention can be specified, which aims to remove one or more machined workpieces from the
  • the processing machine can be designed such that the workpiece holding device can be moved parallel to a third direction R3, the third direction R3 being different from the first direction RI and the second direction R2. It can go further
  • Processing machine be designed so that it includes a second bearing device.
  • the method described above for batch processing of plate-shaped workpieces can be supplemented by the following steps:
  • Completing the movement on or in the second storage device is stored.
  • Fig. 1 shows a first embodiment of a
  • Fig. 2 shows a first embodiment of a
  • Fig. 3 shows a second embodiment of a
  • Fig. 4 shows a second embodiment of a
  • Fig. 5 shows a third embodiment of a
  • Fig. 6 shows a first embodiment of a
  • Fig. 7 shows a first embodiment of a
  • Fig. 9 shows a first embodiment of a
  • FIG. 11 shows a first embodiment of a
  • Processing machine in side view and in the absence of plate-shaped workpieces
  • Fig. 12 shows a second embodiment of a
  • Processing machine in an isometric view in a first state
  • FIG. 13 shows a second embodiment of a
  • FIG. 1 shows a first preferred embodiment of the workpiece handling device 1 according to the invention in a first state.
  • Workpiece handling device can be used for handling plate-shaped workpieces 8, for example solid wood or chipboard, and comprises in
  • the gripping unit 2 is set up to move
  • the gripping unit 2 comprises a workpiece holding device 7, which is designed as a suction gripper. In the state shown, the suction pad was in a non-positive
  • the suction pad is designed so that the
  • Gripping unit 2 designed such that the suction gripper can be moved parallel to a second direction R2 using a pneumatically or hydraulically operated working cylinder.
  • the direction R2 runs in a straight line and parallel to
  • Workpiece handling device 1 has two guide elements 9, which are designed as rollers.
  • the rollers are each on hydraulically operated working cylinders
  • rollers are attached so that they can be moved parallel to the R2 direction. Furthermore, the rollers are arranged in such a way that they support the plate-shaped workpiece 8, so that it does not sink as a result of gravity.
  • FIG. 2 shows the same embodiment of a workpiece handling device according to the invention as FIG. 1, but in a second state that differs from the first state. This Starting from the first state shown in FIG. 1, the second state is achieved by the
  • Workpiece receiving device 7 and the guide elements 9 can be moved together with a plate-shaped workpiece 8 parallel to the second direction R2.
  • FIGS. 3 and 4 also show a preferred one
  • Embodiment differs from the first embodiment shown in FIGS. 1 and 2 only in that, instead of two rollers, a guide rail as
  • Guide element 9 is provided.
  • the guide rail is made of metal and coated with plastic of the polyoxymethylene type in order to optimize the sliding properties.
  • the states shown in FIGS. 3 and 4 correspond to the states from FIG. 1 and FIG. Fig. Second
  • FIG. 5 shows a third preferred embodiment of a workpiece handling device 1 according to the invention
  • the workpiece holding device 7 is not designed as a suction gripper, but rather as a clamping gripper.
  • the workpiece handling device shown corresponds to the state shown in FIGS. 1 and 3.
  • a workpiece handling device 1 also includes one
  • Control unit 10 even if it is not shown in FIGS. 1 to 5.
  • This control unit 10 is
  • FIGS. 6, 7 and 8 A preferred embodiment of a system according to the invention is shown in FIGS. 6, 7 and 8, a system according to the invention being a workpiece handling device
  • the storage device I and a bearing device 11 comprises.
  • the workpiece handling device 1 comprises a lifting unit 3 and a gripping unit 2.
  • the gripping unit can be moved parallel to the direction RI and has a one which can be moved parallel to the direction R2
  • the lifting unit comprises a guide element 9 designed as a roller, which is parallel to the
  • Direction R2 can be moved.
  • Gripping unit 2 was brought into a position in which the workpiece receiving device 7 is a non-positive
  • the guide element 9 of the lifting unit is in a position tangential to that plane which contains the contact surface of the uppermost plate-shaped workpiece 8a.
  • the state shown in FIG. 7 is achieved starting from the state in FIG. 6 by moving the gripping unit 2 together with the uppermost plate-shaped workpiece 8a parallel to the first direction RI.
  • the first direction RI runs horizontally.
  • the state shown in FIG. 8 is achieved on the basis of the state in FIG. 7 by the non-positive connection with the
  • Workpiece receiving device 7 connected plate-shaped workpiece 8a is moved further parallel to the first direction RI and beyond parallel to the second direction R2. While only movement of the gripping unit 2 is necessary for a movement of the plate-shaped workpiece 8a parallel to the first direction RI, a movement of the guide element 9 is additionally required for a movement of the plate-shaped workpiece 8a parallel to the second direction R2
  • Figures 9 to 11 show a first preferred
  • the processing machine 12 is designed as a CNC drilling machine and can be used, for example
  • Processing machine 12 includes one
  • Workpiece handling device 1 consisting of a
  • Processing table 5 with a workpiece support level 13, a processing unit 6 and a storage device 11. Die
  • Bearing device 11 is designed as a scissor-type lifting table and, according to the invention, the gripping unit 2 of the workpiece holding device 1 is connected in a stationary manner to the processing unit 6 of the processing machine 12.
  • FIG. 9 shows a first state in which an uppermost plate-shaped workpiece 8a of a plate stack stored on the storage device 11 is already in a non-positive and / or positive connection with the
  • Workpiece receiving device 7 brought the gripping unit 2 and together with the gripping unit 2 parallel to the first
  • the guide elements 9 of the lifting unit 3 are also in one Position tangential to that surface of the plate-shaped workpiece 8a with which the plate-shaped workpiece 8a lies at least partially on the plate stack.
  • Fig. 10 shows a second state in which the
  • Workpiece 8a lies on the as a result of the movements
  • Machining table 5 sunk.
  • the processing unit 6 of the processing machine 12 and the gripping unit 2 fixedly connected to the processing unit 6 are also involved in the movement parallel to the first direction RI.
  • the workpiece holding device 7 and the guide elements 9 of the lifting unit 3 are also involved in the movement parallel to the second direction R2.
  • FIG. 11 shows a processing machine 12 in the absence of plate-shaped workpieces.
  • the state of the processing machine corresponds to FIG. 9.
  • Figures 12 and 13 show a second preferred
  • Embodiment of a processing machine 12 according to the invention in an isometric view The difference from the first embodiment shown in FIGS. 9 to 11 is that the guide elements 9 are not designed as rollers, but as rails.
  • the state shown in FIG. 12 corresponds to FIG. 9, that shown in FIG. 13
  • FIGS. 12 and 13 show the second preferred embodiment of an embodiment of the invention shown in FIGS. 12 and 13
  • Processing machine 12 in a plan view. In addition to the
  • the boundary contour K 1 is created by vertical projection of the machining table 5 into the workpiece support plane 13
  • the second boundary contour K 2 is created by the vertical one
  • Embodiment is the second boundary contour K2

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Feeding Of Workpieces (AREA)
  • De-Stacking Of Articles (AREA)

Abstract

La présente invention concerne un dispositif de manutention de pièces destiné à la manutention d'au moins une pièce en forme de plaque, qui consiste, de préférence, au moins par sections, de bois, de matériau contenant du bois, de matériau composite ou de matière plastique, comprenant une unité de levage et une unité de préhension, l'unité de préhension étant conçue pour exécuter un déplacement parallèle à au moins une première direction, et l'unité de préhension comportant un dispositif de réception de pièce, qui est conçue de manière à pouvoir établir une liaison réversible, à force et/ou par complémentarité de formes avec au moins une pièce en forme de plaque, caractérisé en ce que l'unité de préhension est conçue de telle sorte que le dispositif de réception de pièce peut exécuter un déplacement parallèle à une deuxième direction, différente de la première direction, et l'unité de levage comprend au moins un élément de guidage, qui est conçu pour exécuter un déplacement parallèle à la deuxième direction et qui est en outre conçu pour restreindre au moins un degré de liberté de mouvement de l'au moins une pièce en forme de plaque.
EP19752459.8A 2018-08-08 2019-08-05 Dispositif de manutention de pièces et procédé d'usinage en pile de pièces en forme de plaque Pending EP3833520A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018119280.0A DE102018119280A1 (de) 2018-08-08 2018-08-08 Werkstückhandhabungsvorrichtung und Verfahren zur Stapelverarbeitung von plattenförmigen Werkstücken
PCT/EP2019/070991 WO2020030575A1 (fr) 2018-08-08 2019-08-05 Dispositif de manutention de pièces et procédé d'usinage en pile de pièces en forme de plaque

Publications (1)

Publication Number Publication Date
EP3833520A1 true EP3833520A1 (fr) 2021-06-16

Family

ID=67587748

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19752459.8A Pending EP3833520A1 (fr) 2018-08-08 2019-08-05 Dispositif de manutention de pièces et procédé d'usinage en pile de pièces en forme de plaque

Country Status (5)

Country Link
US (1) US20210309465A1 (fr)
EP (1) EP3833520A1 (fr)
CN (1) CN112512765A (fr)
DE (1) DE102018119280A1 (fr)
WO (1) WO2020030575A1 (fr)

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Also Published As

Publication number Publication date
WO2020030575A1 (fr) 2020-02-13
US20210309465A1 (en) 2021-10-07
DE102018119280A1 (de) 2020-02-13
CN112512765A (zh) 2021-03-16

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