EP2875879B1 - Dispositif mécanique de transfert de pièce et dispositif de déchargement mécanique et agencement mécanique destiné au traitement de pièces à l'aide d'un tel dispositif de transfert de pièce - Google Patents

Dispositif mécanique de transfert de pièce et dispositif de déchargement mécanique et agencement mécanique destiné au traitement de pièces à l'aide d'un tel dispositif de transfert de pièce Download PDF

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Publication number
EP2875879B1
EP2875879B1 EP14189460.0A EP14189460A EP2875879B1 EP 2875879 B1 EP2875879 B1 EP 2875879B1 EP 14189460 A EP14189460 A EP 14189460A EP 2875879 B1 EP2875879 B1 EP 2875879B1
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EP
European Patent Office
Prior art keywords
workpiece
deposit
interim
support
drive
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
EP14189460.0A
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German (de)
English (en)
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EP2875879A1 (fr
Inventor
Marcus Busch
Thomas Nutschan
Andreas Noack
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 Sachsen GmbH
Original Assignee
Trumpf Sachsen GmbH
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Publication date
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Publication of EP2875879A1 publication Critical patent/EP2875879A1/fr
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Publication of EP2875879B1 publication Critical patent/EP2875879B1/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
    • 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
    • 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
    • B21D43/16—Advancing work in relation to the stroke of the die or tool by gravity, e.g. chutes

Definitions

  • the invention relates to a machine workpiece transfer device for arrangement between a workpiece support of a machine tool for processing preferably plate-like workpieces, in particular sheets, on the one hand and a workpiece tray for workpieces, which originate from the workpiece support of the machine tool, on the other hand, wherein the machine workpiece transfer device a Stripping device, by means of which the workpieces are vomitable workpiece storage side.
  • the invention further relates to an automatic unloading device for unloading workpieces from a workpiece support of a machine tool, and to a machining arrangement for machining workpieces, the mechanical unloading device and the machining arrangement for machining workpieces each having a workpiece transfer device of the above type.
  • scrapers provided on the boom of the loading and unloading unit are activated.
  • the scrapers provided on the boom of the loading and unloading unit engage behind a longitudinal edge of the sheet resting on the workpiece support. If the workpiece support moves perpendicularly to the edge of the machined sheet which is engaged behind by the scrapers and if the arms of the loading and unloading unit and the scrapers provided thereon retain their position, the machined sheet is stripped off the workpiece support by means of the scrapers. As a result, the processed sheet falls on a serving as a workpiece tray pallet, which has been previously arranged below the loaded with the machined sheet workpiece support.
  • the object of the present invention is to ensure a particularly gentle treatment of preferably plate-like workpieces, in particular sheets, during unloading of a workpiece support of a machine tool.
  • a workpiece clipboard is provided between the workpiece support of the machine tool and the workpiece storage, which are raised by means of a lifting device on a workpiece support-side assumption level and lowered to a Maschinen Swissablagesablage wornes transfer level can.
  • the taking over of one or more workpieces to be removed from the workpiece support of the machine tool takes place indirectly or directly from the workpiece support of the machine tool, when the workpiece work piece is located at the takeover level.
  • the previously accepted workpiece (s) are dispensed after the workpiece clipboard has been lowered to the transfer level.
  • the provided with the lifting workpiece-clipboard of the workpiece transfer device according to the invention moves the workpieces to be unloaded gently over the existing between the workpiece support side and the workpiece storage side height difference that would otherwise be traversed by the workpieces in free fall. Due to the gentle workpiece handling, the workpiece transfer device according to the invention is particularly suitable for the handling of machined sheets on which previously cut by the machine tool sheet metal parts are connected via so-called micro joints with a sheet metal skeleton. Since the drop height of the machined sheets can be minimized during unloading by means of the workpiece transfer device according to the invention, the little-loadable micro-joint connections between the cut sheet metal parts and the skeleton grid are not affected by the unloading process. Disturbances of the discharge, as they would be feared in at least partial destruction of the micro-joint connections are avoided. Instead, the workpiece transfer device according to the invention enables a functionally reliable unloading of the machine tool used for workpiece machining.
  • a motorized embablageantrieb is provided in a preferred embodiment of the invention, by means of which the workpiece clipboard can be moved on the one hand in a werk choirauflagenahe position and on the other hand in a werk mutualauflageferne position.
  • the motorized clipboard drive opens up the possibility of the workpiece clipboard automated in their various positions to convict. If the workpiece clipboard is in the position remote from the workpiece support, the area close to the workpiece is free from the workpiece clipboard otherwise forming a disturbing contour.
  • the workpiece transfer device has a guide structure which guides the workpiece clipboard as it moves.
  • the guide structure of the workpiece clipboard is at least partially designed as a mobile guide structure.
  • the mobile guide structure has a motorized guide structure drive, by means of which the mobile guide structure of the workpiece clipboard in the horizontal direction on the one hand in a werk choirauflagenahe position and on the other hand in a werk mutualauflageferne position is movable (claim 3).
  • the motorized guide structure drive By means of the motorized guide structure drive, the mobile guide structure of the workpiece clipboard can therefore in particular be moved to a position away from the workpiece support and thus into a position in which also the guide structure of the workpiece clipboard releases the workpiece support area.
  • the invention is provided in a preferred embodiment that the workpiece clipboard and the mobile guide structure of the workpiece clipboard have a common motor drive (claim 4).
  • a common motor drive (claim 4).
  • the shared motor drive for the workpiece clipboard and the mobile guide structure of the workpiece clipboard can be designed as a pneumatic drive or as an electric linear drive.
  • the shared motor drive can be drive-connected with either the workpiece clipboard or with the mobile guide structure of the workpiece clipboard, then the workpiece clipboard can and their mobile guide structure independently, in particular temporally offset from each other, are positioned (claim 5).
  • a common motor drive with a driven by a drive motor and endlessly circulating drive means is provided for this purpose, which can be coupled either with the workpiece clipboard or with their mobile management structure (claim 6).
  • a motorized chain drive is preferred as a common motor drive for the workpiece clipboard and its mobile guide structure.
  • the movement generated by means of the motorized Eisenablageantriebs the workpiece clipboard is also used to strip the workpieces taken over from the workpiece clipboard from the workpiece clipboard.
  • a stripping device on the guide structure of the workpiece clipboard serves as a stripping device.
  • a guide structure guides the workpiece clipboard moved by means of the clipboard drive in a further preferred embodiment of the invention both in the horizontal and in the vertical direction (claim 9).
  • Claim 10 thereby ensures that a stroke-guide device for the workpiece clipboard is designed as adjusting stroke guide device and as such, the workpiece clipboard on the takeover level with a desired orientation relative to the workpiece to be transferred, in particular substantially parallel to the workpiece, arranges.
  • a realized in the manner described coupling the horizontal movement and the vertical movement of the workpiece clipboard is inventively especially provided in cases where the vertical movement of the workpiece clipboard not by a separate linear actuator but by means of a lifting guide device for the workpiece clipboard is generated (claim 12).
  • the vertical movement of the workpiece clipboard relative to the moving by means of the Eisenablageantriebes driver is realized by means of a relative to the driver about a horizontal axis pivotable connecting element, via which the workpiece clipboard is connected to the driven by the embablageantrieb driver.
  • Claim 14 describes a possibility provided by the invention, the vertical movement performed by the workpiece clipboard relative to the driver of the Eisenablageantriebes with an adjustment of the raised to the takeover level workpiece clipboard opposite to or to be taken over the workpieces.
  • the subject matter of claim 16 is an automatic unloading device whose workpiece transfer device has a motorized Eisenablageantrieb for the workpiece clipboard and / or whose mobile guide structure is provided with a motorized guide structure drive.
  • a multiple use existing drive means and accordingly in the interest of the simplest possible structure of the overall arrangement of the motorized embablageantrieb and / or the motorized guide structure drive is used simultaneously to transfer the workpiece tray of the mechanical unloading on the one hand in a werk choirauflagenahe position and on the other hand in a werk mutualauflageferne position. If the workpiece rest is in the workpiece support remote position, the near area of the workpiece rest is free from the workpiece rest.
  • a movement of the workpiece restraint by means of the guide structure drive is realized according to the invention in particular in that the workpiece rest is provided on the mobile guide structure of the workpiece clipboard, in particular separably mounted on the mobile guide structure of the workpiece clipboard (claim 17). Is the workpiece tray of the mobile guide structure of the workpiece clipboard separable, so it can be removed, for example, after storing a larger number of workpieces together with these from the vicinity of the machine workpiece transfer device or the machine arrangement.
  • a machine arrangement 1 for sheet metal processing comprises a machine tool 2, which in the example shown is designed as a conventional punch / laser combination machine.
  • the machine tool 2 has a C-shaped machine frame 3 with a pharynx 4, in which a coordinate guide 5 of conventional design is housed.
  • the coordinate guide 5 is used in the usual way to move workpieces in the form of green sheets 6 for processing relative to the processing facilities of the machine tool 2 or to position.
  • precast parts are cut out of a blank sheet, which are still connected to the cutting sheet metal processing via so-called micro-joints with a skeleton of the processed sheet metal.
  • a workpiece in the form of a machined plate 7 with a skeleton grid and finished parts held therein is in FIG. 1 indicated.
  • the machined plate 7 is in the unloading position, in which it has been moved by means of the coordinate guide 5 of the machine tool 2.
  • both the raw sheets 6 and the machined sheets 7 rest in their executed by the coordinate guide 5 movements on a workpiece support 8 of the machine tool, the workpiece support 8 can move along a lower frame leg 9 of the machine frame 3 in the direction of a double arrow 10. Together with the workpiece support 8 moves a cross rail 11, which in turn FIG. 1 only suggestively recognizable clamping claws 12 and of these fixed blank sheets 6 and processed sheets 7 in the direction of a double arrow 13 leads movably.
  • a loading unit 14 is arranged laterally next to the machine tool 2.
  • the loading unit 14 has a suction frame 15 which can be raised and lowered on a column 16 of the loading unit 14 in the vertical direction (double arrow 17).
  • the suction frame 15 is provided with a plurality of suction pads of conventional design.
  • 15 stops 18 are mounted on a longitudinal side of the suction frame, whose function will be discussed in more detail below.
  • FIG. 2 is shown in detail.
  • FIG. 2 is shown by the machine tool 2, only a part of the workpiece support 8.
  • the loading unit 14 with the suction frame 15 has been omitted for clarity.
  • the viewer's gaze on the processed sheet 7 is released, on which free cut Sheet metal parts are held over a non-recognized micro-joints on a skeleton.
  • the workpiece transfer device 19 comprises a stationary base structure 20 which movably guides a workpiece carrier 21 and a mobile guide structure 22 for the workpiece carrier 21 in the direction of a double arrow 23.
  • the workpiece carrier 21 has a U-shaped support frame 24 with support frame legs 25, 26 and a Tragrahmentraverse 27.
  • a rake-like workpiece clipboard 28 is mounted with protruding from the frame beam 27 computing prongs 29.
  • the rake tines 29 are designed in two parts and each include a support tines 30 and a pivoting tine 31.
  • the support tines 30 of the rake tines 29 are rigidly connected to the support frame cross member 27.
  • the pivoting tines 31 are hinged at their front ends at the respective associated free end of the support tines 30 about a pivot axis 32 pivotally.
  • the remote from the pivot axis 32 ends of the pivoting tines 31 are connected via a parallel to the support frame cross member 27 and extending relative to the Tragrahmentraverse 27 movable cross bar 33 with each other.
  • the mobile guide structure 22 together with the stationary base structure 20 of the workpiece transfer device 19 forms a guide structure 34 for the workpiece carrier 21 and thus also for the rake-type workpiece clipboard 28.
  • the mobile guide structure 22 has cheeks 35, 36 which are parallel to side walls 37, 38 of the stationary base structure 20 and are offset with respect to the latter to the interior of the stationary base structure 20 out.
  • the cheeks 35, 36 of the mobile guide structure 22 form guideway sections 39, 40, which extend at the in FIG. 2 illustrated functional state of the workpiece transfer device 19 extend in extension of guide track sections 41, 42 at the top of the stationary base structure 20 and together with the guide track sections 41, 42 form longitudinal guides 43, 44 for the workpiece carrier 21 moving in the direction of the double arrow 23.
  • the cheeks 35, 36 of the mobile guide structure 22 are connected to each other by a rear wall 45.
  • a stripping device in the form of a Abstreifblechs 46 is mounted, which in turn is provided with upwardly open passage openings 47 for the rake tines 29 of the workpiece clipboard 28.
  • lifting cylinder 48, 49 On the rear wall 45 of the mobile guide structure 22 also lifting cylinder 48, 49 are attached.
  • the piston rods of the lifting cylinders 48, 49 are provided at their free upper ends with bearings 50, 51.
  • the lifting cylinders 48, 49 form a lifting device 53 for the workpiece clipboard 28.
  • a workpiece pallet 54 is arranged as a workpiece tray.
  • the workpiece pallet 54 rests on pallet supports on the inside of the cheeks 35, 36 of the mobile guide structure 22 and can be pushed in the direction of the double arrow 23 into the interior of the mobile guide structure 22 or pulled out of the interior of the mobile guide structure 22.
  • the workpiece pallet 54 lies with its upper side slightly below the guide track sections 39, 40 on the cheeks 35, 36 of the mobile guide structure 22.
  • the underside of the inserted into the interior of the mobile guide structure 22 workpiece pallet 54 is of the footprint of the workpiece transfer device 19th spaced and thereby leaves room for one of the workpiece pallet 54 traversable and not shown in the drawings raw sheet stack.
  • the movements of the workpiece carrier 21 with the workpiece clipboard 28 and the mobile guide structure 22 in the direction of the double arrow 23 are generated by means of a motor drive 55 which is provided as a common motor drive the mobile guide structure 22 and the workpiece clipboard 28 and consequently on the one hand motor embablageantrieb and on the other hand acts as a motorized guide structure drive.
  • An electric drive motor 56 of the motor drive drive 55 drives via motor shafts 57, 58 on the one hand a sprocket 59 and on the other hand a sprocket 60 at.
  • About the sprockets 59, 60 drive chains 61, 62 are guided in a conventional manner as endless circulating drive means.
  • the sprockets 59, 60 are each rotatably supported at a longitudinal end of the side walls 37, 38 of the base structure 20 of the workpiece transfer device 19. At the opposite longitudinal ends of the side walls 37, 38 of the base structure 20 provided deflecting wheels for the drive chains 61, 62 are in FIG. 2 covered.
  • the operation of the motorized drive 55 will be described below FIGS. 8 to 11 described in detail.
  • the essential functions of the workpiece transfer device 19, like all other essential functions of the machine assembly 1, are numerically controlled.
  • a numerical control unit 63 of the machine assembly 1 provided for this purpose is shown in FIG FIG. 1 indicated.
  • the sequence of a workpiece unloading operation on the workpiece support 8 of the machine assembly 1 is in the FIGS. 3 to 7 illustrated.
  • FIG. 3 is the workpiece support 8 in the direction of the double arrow 10 (FIG. FIG. 1 ) in a position in which it is arranged together with the machined plate 7 above the workpiece transfer device 19 and thereby this upstream.
  • the suction frame 15 of the loading unit 14 is attached to the one longitudinal side of the suction frame 15 stops 18 at the the workpiece transfer device 19 lying side are arranged and thereby reach up to the level of the machined plate 7.
  • the workpiece transfer device 19 is in its initial state.
  • the workpiece carrier 21 is moved on the stationary base structure 20 in its rear end position.
  • the rear wall 45 of the mobile guide structure 22 in the immediate vicinity of the support frame cross member 27 of the workpiece carrier 21 is arranged.
  • the computing prongs 29 of the workpiece clipboard 28 pass through the passage openings 47 of the stripping plate 46 on the rear wall 45 of the mobile guide structure 22.
  • the motorized drive 55 of the workpiece transfer device 19 is actuated.
  • the mobile guide structure 22 moves out of the stationary base structure 20 of the workpiece transfer device 19 into the position according to FIG FIG. 4 ,
  • the mobile guide structure 22 has moved horizontally from a workpiece rest remote position to a workpiece rest position.
  • the guide track sections 39, 40 on the cheeks 35, 36 of the mobile guide structure 22 now extend in extension of the guide track sections 41, 42 on the side walls 37, 38 of the base structure 20. Together with the mobile guide structure 22, the lifting cylinders 48 mounted on the rear wall 45 thereof move 49 and the workpiece pallet 54 mounted on the cheeks 35, 36 of the mobile guide structure 22 in the position according to FIG FIG. 4 , The mobile guide structure 22 is now below the workpiece support 8 and the processed thereon machined plate 7. The workpiece carrier 21 with the workpiece clipboard 28 and the suction frame 15 of the loading unit 14 still take their starting position.
  • the workpiece carrier 21 Due to continued actuation of the motor drive drive 55, the workpiece carrier 21 now leaves its starting position remote from the workpiece position in accordance with FIG Figures 3 and 4 in the direction of the mobile guide structure 22, which now precedes the stationary base structure 20.
  • the workpiece carrier 21 moves with guide rollers first on the guide track sections 41, 42 on the stationary base structure 20 and then on the guide track sections 39, 40 on the mobile guide structure 22.
  • From one in the direction of movement of the workpiece carrier 21 leading guide rollers on the workpiece carrier 21 is in FIG. 4 to recognize a roller shaft 64 mounted on the front longitudinal end of the support frame leg 25.
  • a corresponding guide roller is mounted on the front longitudinal end of the support frame leg 26 of the workpiece carrier 21. This guide roller moves over the guide track section 42 of the stationary base structure 20 and then over the guide track section 40 of the mobile guide structure 22.
  • the guide rollers at the front longitudinal ends of the support frame legs 25, 26 of the workpiece carrier 21 reach the guide bevels 52 on the mobile guide structure 22.
  • the guide rollers move along the guide bevels 52, thereby jointly guiding the workpiece carrier 21 the workpiece clipboard 28 in the relation to the mobile guide structure 22 inclined position according to FIG. 5 out.
  • the front end of the workpiece clipboard 28 is thus immediately adjacent to the underside of the workpiece support 8 loaded with the processed sheet 7.
  • the workpiece clipboard 28 is in FIG. 5 disposed in a workpiece support position on a workpiece support-side assumption level.
  • the supports 50, 51 are raised together with the transverse bar 33 resting thereon in the vertical direction. This is accompanied by a pivoting movement of the attached to the cross bar 33 pivot tines 31 of the workpiece clipboard 28 about the pivot axis 32.
  • the pivoting tines 31 of the workpiece clipboard 28 thereby reach in the horizontal position in accordance FIG. 6 ,
  • the workpiece clipboard 28 is fully raised to a Maschinen Swissauflage mades assumption level, wherein the raised to the takeover level workpiece clipboard 28 is arranged with a workpiece-parallel desired alignment relative to the machined plate 7 on the workpiece support 8.
  • the lifting device 53 formed by the guide bevels 52 on the cheeks 35, 36 and the lifting cylinders 48, 49 on the rear wall 45 of the mobile guide structure 22 is accordingly an adjusting lifting device.
  • FIG. 6 The lifting cylinders 48, 49 and the supports 50, 51 for the transverse strip 33 of the workpiece clipboard 28 mounted on their piston rods are in FIG. 6 for the sake of clarity not shown.
  • a lifting guide element in the form of a guide bevel 65 is indicated differently from the conditions shown in solid lines as a substitute for the lifting cylinders 48, 49 on each of the pivoting tines 31 of the workpiece clipboard 28.
  • the guide ramps 65 slide out of position as the movement is performed by the workpiece carrier 21 relative to the mobile guide structure 22 FIG. 4 in the position according to FIG.
  • the guide slopes 65 on the pivoting tines 31 of the workpiece clipboard 28 form the lifting device 53 as an adjusting stroke guide device 66 for the workpiece clipboard 28.
  • the return movement of the pivoting tines 31 is completed with the machined plate 7 mounted thereon when the lying on the pivoting tines 31 machined plate 7 with its leading edge in the direction of movement of the workpiece carrier 21 reaches the Abstreifblech 46 on the rear wall 45 of the mobile guide structure 22.
  • the entire workpiece carrier 21 is again aligned substantially horizontally.
  • the workpiece clipboard 28 is accordingly lowered with the processed sheet 7 to the transfer level.
  • the mounted on the pivot tines 31 of the workpiece clipboard 28 processed sheet 7 by means of the Abstreifblechs 46 of the mobile guide structure 22 of the on the workpiece workpiece-side transfer level lowered workpiece clipboard 28 stripped and thereby transferred with an equally low drop height to the mounted on the mobile guide structure 22 workpiece pallet 54,
  • the mobile guide structure 22 is moved by means of the motorized drive drive 55 back to its starting position in the interior of the stationary base structure 20.
  • the workpiece transfer device 19 is then again in its initial state according to FIG. 3 ,
  • the workpiece support 8 unloaded from the processed sheet 7 travels back to the position below the suction frame 15 of the loading unit 14.
  • this raw sheet can now be stored on the workpiece support 8 and moved by moving the workpiece support 8 in the processing area of the workpiece machine 2.
  • the motor-driven sprocket 59 is indicated on the side wall 37 of the stationary base structure 20 in Figures 8 to 11.
  • drive chain 61 serves a at the front end of the side wall 37 of the base structure 20 rotatably mounted deflecting 67.
  • a first driver 68 and a second driver 69 are attached to the drive chain 61 and run together with this.
  • a receptacle 70 on the support frame leg 25 of the workpiece carrier 21 and a receptacle 71 on the cheek 35 of the mobile guide structure 22 can be approached by the first driver 68 and the second driver 69. Accordingly, the conditions on the side wall 38 of the base structure 20, the support frame leg 26 of the workpiece carrier 21 and the cheek 36 of the mobile guide structure 22 represent.
  • FIG. 8 is the workpiece transfer device 19 in the initial state according to FIG. 3 ,
  • the workpiece carrier 21 with the workpiece clipboard 28 is moved to the stationary base structure 20 of the workpiece transfer device 19 in its rear end position.
  • the mobile guide structure 22 is maximally retracted into the interior of the stationary base structure 20.
  • the first driver 68 is located on the receptacle 71 with the cheek 35 of the mobile guide structure 22 in engagement.
  • the drive chain 61 is coupled to the mobile guide structure 22.
  • the drive chain 61 moving in the direction of rotation pushes the mobile guide structure 22 out of the interior of the stationary base structure 20 (FIG. Figures 3 . 8th ) in the position according to FIGS. 4 . 9 out.
  • the first driver 68 of the drive chain 61 then exits from the receptacle 71 on the mobile guide structure 22.
  • the second driver 69 engages in the receptacle 70 on the workpiece carrier 21 ( FIG. 10 ).
  • the drive chain 61 is uncoupled from the mobile guide structure 22 and coupled to the support structure 21 and thus also with the workpiece clipboard 28.
  • the further moving in the direction of rotation drive chain 61 then drives on the engaging in the receptacle 70 second driver 69 the workpiece carrier 21 with the workpiece clipboard 28 from the position according to the FIGS. 4 . 10 in the position according to Figures 5 . 11 at.
  • the mobile guide structure 22 keeps its position in accordance with FIGS. 4 . 10, 11 at, the workpiece carrier 21 is raised by means of the guide slope 52 on the mobile guide structure 22 at least with its leading in the direction of movement side towards the bottom of the workpiece support 8 ( Figures 5 . 11 ).
  • the drive chain 61 moves the workpiece carrier 21 due to the engagement of the second driver 69 in the receptacle 70 from the position according to FIG. 5 back to the starting position on the base structure 20.
  • the workpiece transfer device 19 is thus again in the functional state according to FIG. 10 in which the workpiece carrier 21 assumes its rear end position on the stationary base structure 20 and the mobile guide structure 22 is still extended as far as possible from the stationary base structure 20.
  • the return movement of the workpiece carrier 21 takes place in the case of the device type with the stroke guide device 66, in which case the return transfer of the workpiece clipboard 28 from the functional state according to FIG. 6 in the functional state according to FIG. 5 automatically results with the movement of the workpiece carrier 21.
  • the machined plate 7 is stripped in the course of the movement of the workpiece carrier 21 by means of the Abstreifbleches 46 of the workpiece clipboard 28 and transferred to the workpiece pallet 54,
  • the second driver 69 leaves the receptacle 70 on the workpiece carrier 21 and first driver 68 engages receptacle 71 on mobile guide structure 22.
  • this moves the mobile guide structure 22 via the first driver 68 engaging in the receptacle 71 in the direction of the stationary base structure 20 of the workpiece transfer device until the mobile guide structure 22 has finally retracted maximally into the interior of the stationary base structure 20 and thus again the initial state of the workpiece transfer device 19 according to FIG. 3 results.
  • FIG. 11 is the workpiece carrier 21 including the workpiece clipboard 28 in accordance with FIG. 5 arranged inclined.
  • This alignment of the workpiece carrier 21 and the workpiece clipboard 28 is made possible in that the supporting frame limb 25 of the workpiece carrier 25 provided with the receptacle 70 is pivotable relative to the second driver 69 and, accordingly, as well as the supporting frame limb 26, a pivotable connecting element for connecting the workpiece carrier.
  • Clipboard 28 to the second driver 69 forms.
  • the inclination of the workpiece carrier 21 and the workpiece clipboard 28 according to the Figures 5 . 11 consequently has no effect on the movement path of the drive chain 61.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Workpieces (AREA)
  • Specific Conveyance Elements (AREA)
  • Laser Beam Processing (AREA)

Claims (18)

  1. Dispositif mécanique de transfert de pièces à disposer entre d'une part un support de pièces (8) d'une machine-outil (2) destinée à usiner des pièces de préférence du genre plaques, en particulier des tôles, et d'autre part un récepteur de pièces (54) pour des pièces (7) qui proviennent du support de pièces (8) de la machine-outil (2), sachant que le dispositif mécanique de transfert de pièces présente un dispositif racleur (46) au moyen duquel les pièces (7) peuvent être remises du côté du récepteur de pièces,
    caractérisé en ce que le dispositif mécanique de transfert de pièces présente un récepteur intermédiaire de pièces (28) prévu pour les pièces (7), qui est disposé, considéré dans la direction du flux de manutention, entre le support de pièces (8) de la machine-outil (2) et le récepteur de pièces (54), et pour lequel est prévu un dispositif de levage (53) au moyen duquel le récepteur intermédiaire de pièces (28) peut être soulevé à un niveau de prise en charge du côté du support de pièces et abaissé à un niveau de remise du côté du récepteur de pièces,
    - sachant qu'au moins une pièce (7) peut être prise en charge par le récepteur intermédiaire de pièces (28) soulevé au niveau de prise en charge,
    - et sachant que le récepteur intermédiaire de pièces (28), abaissé au niveau de remise avec la pièce (7) prise en charge, et le dispositif racleur (46) peuvent être déplacés l'un par rapport à l'autre par un mouvement de raclage horizontal, avec évacuation de la pièce (7) du récepteur intermédiaire de pièces (28) par raclage et remise de la pièce (7) du côté du récepteur de pièces.
  2. Dispositif mécanique de transfert de pièces selon la revendication 1, caractérisé en ce qu'il est prévu pour le récepteur intermédiaire de pièces (28) un entraînement motorisé de récepteur intermédiaire au moyen duquel le récepteur intermédiaire de pièces (28) peut être déplacé en direction horizontale d'une part dans une position proche du support de pièces et d'autre part dans une position éloignée du support de pièces, distante en direction horizontale de la position proche du support de pièces, sachant que le récepteur intermédiaire de pièces (28) est, dans la position proche du support de pièces, soulevé au moyen du dispositif de levage (53) au niveau de prise en charge.
  3. Dispositif mécanique de transfert de pièces selon la revendication 2, caractérisé en ce qu'il est prévu pour le récepteur intermédiaire de pièces (28) une structure de guidage (34), par rapport à laquelle le récepteur intermédiaire de pièces (28) se déplace lors du mouvement effectué au moyen de l'entraînement de récepteur intermédiaire dans la position proche du support de pièces et/ou dans la position éloignée du support de pièces, et contre laquelle le récepteur intermédiaire de pièces (28) est guidé dans la direction de déplacement lors du mouvement effectué au moyen de l'entraînement de récepteur intermédiaire dans la position proche du support de pièces et/ou dans la position éloignée du support de pièces, et en ce que la structure de guidage (34) du récepteur intermédiaire de pièces (28) est réalisée au moins partiellement sous la forme d'une structure de guidage mobile (22), pour laquelle il est prévu un entraînement motorisé de structure de guidage au moyen duquel la structure de guidage mobile (22) du récepteur intermédiaire de pièces (28) peut être déplacée en direction horizontale d'une part dans une position proche du support de pièces et d'autre part dans une position éloignée du support de pièces, distante en direction horizontale de la position proche du support de pièces.
  4. Dispositif mécanique de transfert de pièces selon les revendications 2 et 3, caractérisé en ce qu'il est prévu un entraînement motorisé commun (55) pour le récepteur intermédiaire de pièces (28) et pour la structure de guidage mobile (22) du récepteur intermédiaire de pièces (28).
  5. Dispositif mécanique de transfert de pièces selon la revendication 4, caractérisé en ce que l'entraînement motorisé commun (55) peut être sélectivement relié en entraînement au récepteur intermédiaire de pièces (28) ou à la structure de guidage mobile (22) du récepteur intermédiaire de pièces (28).
  6. Dispositif mécanique de transfert de pièces selon la revendication 5, caractérisé en ce que l'entraînement motorisé commun (55) présente un moyen d'entraînement (61, 62) entraîné par un moteur d'entraînement (56) et circulant sans fin, et en ce que l'entraînement commun (55) peut être sélectivement relié en entraînement au récepteur intermédiaire de pièces (28) ou à la structure de guidage mobile (22) du récepteur intermédiaire de pièces (28) par le fait que le moyen d'entraînement (61, 62) circulant sans fin peut être sélectivement accouplé au récepteur intermédiaire de pièces (28) ou à la structure de guidage mobile (22) du récepteur intermédiaire de pièces (28).
  7. Dispositif mécanique de transfert de pièces au moins selon la revendication 2, caractérisé en ce qu'une structure de guidage (34) du récepteur intermédiaire de pièces (28) est pourvue du dispositif racleur (46), et en ce que le récepteur intermédiaire de pièces (28), abaissé au niveau de remise avec la pièce (7) prise en charge, peut, au moyen de l'entraînement de récepteur intermédiaire, être déplacé par rapport au dispositif racleur (46) dans la position proche du support de pièces et/ou dans la position éloignée du support de pièces, avec évacuation de la pièce (7) du récepteur intermédiaire de pièces (28) par raclage et remise de la pièce (7) du côté du récepteur de pièces.
  8. Dispositif mécanique de transfert de pièces au moins selon la revendication 2, caractérisé en ce qu'il est prévu comme dispositif de levage (53) du récepteur intermédiaire de pièces (28) un dispositif (66) de guidage de levage pour le récepteur intermédiaire de pièces (28), au moyen duquel le récepteur intermédiaire de pièces (28) déplacé par l'entraînement de récepteur intermédiaire peut être soulevé au niveau de prise en charge et/ou abaissé au niveau de remise.
  9. Dispositif mécanique de transfert de pièces selon la revendication 8, sachant qu'il est prévu pour le récepteur intermédiaire de pièces (28) une structure de guidage (34), par rapport à laquelle le récepteur intermédiaire de pièces (28) se déplace lors du mouvement effectué au moyen de l'entraînement de récepteur intermédiaire dans la position proche du support de pièces et/ou dans la position éloignée du support de pièces, et contre laquelle le récepteur intermédiaire de pièces (28) est guidé lors du mouvement effectué au moyen de l'entraînement de récepteur intermédiaire, caractérisé en ce que le dispositif (66) de guidage de levage du récepteur intermédiaire de pièces (28) présente au moins un élément (52, 65) de guidage de levage, qui est prévu sur la structure de guidage (34) du récepteur intermédiaire de pièces (28) et au moyen duquel le récepteur intermédiaire de pièces (28) peut être soulevé au niveau de prise en charge et/ou abaissé au niveau de remise lors du mouvement effectué au moyen de l'entraînement de récepteur intermédiaire.
  10. Dispositif mécanique de transfert de pièces au moins selon la revendication 8, caractérisé en ce que le dispositif (66) de guidage de levage du récepteur intermédiaire de pièces (28) est réalisé sous la forme d'un dispositif de guidage de levage ajustant, au moyen duquel le récepteur intermédiaire de pièces (28) déplacé au moyen de l'entraînement de récepteur intermédiaire peut être soulevé au niveau de prise en charge et le récepteur intermédiaire de pièces (28) soulevé au niveau de prise en charge, est disposé avec une orientation de consigne par rapport à la pièce (7) à prendre en charge, en particulier sensiblement parallèlement à la pièce.
  11. Dispositif mécanique de transfert de pièces au moins selon la revendication 2, caractérisé en ce que le récepteur intermédiaire de pièces (28) est relié à l'entraînement de récepteur intermédiaire par l'intermédiaire d'un entraîneur (69) entraîné en direction horizontale par l'entraînement de récepteur intermédiaire, et en ce que le récepteur intermédiaire de pièces (28) peut être déplacé en direction verticale par rapport à l'entraîneur (69) au moyen du dispositif de levage (53) du récepteur intermédiaire de pièces (28), et peut ainsi être soulevé au niveau de prise en charge et/ou abaissé au niveau de remise.
  12. Dispositif mécanique de transfert de pièces selon la revendication 11, sachant qu'il est prévu comme dispositif de levage (53) du récepteur intermédiaire de pièces (28) un dispositif (66) de guidage de levage au moyen duquel le récepteur intermédiaire de pièces (28) déplacé par l'entraînement de récepteur intermédiaire peut être soulevé au niveau de prise en charge et/ou abaissé au niveau de remise, caractérisé en ce que le récepteur intermédiaire de pièces (28) peut être déplacé en direction verticale par rapport à l'entraîneur (69) au moyen du dispositif (66) de guidage de levage du récepteur intermédiaire de pièces (28), et peut ainsi être soulevé au niveau de prise en charge et/ou abaissé au niveau de remise.
  13. Dispositif mécanique de transfert de pièces au moins selon la revendication 11, caractérisé en ce que le récepteur intermédiaire de pièces (28) est relié à l'entraîneur (69) par l'intermédiaire d'un élément de liaison (25, 26) pouvant pivoter autour d'un axe de pivotement horizontal, et en ce que le récepteur intermédiaire de pièces (28) peut, avec pivotement de l'élément de liaison (25, 26) autour de l'axe de pivotement horizontal, être déplacé en direction verticale par rapport à l'entraîneur (69) et ainsi soulevé au niveau de prise en charge et abaissé au niveau de remise.
  14. Dispositif mécanique de transfert de pièces selon la revendication 13, sachant qu'il est prévu comme dispositif de levage (53) du récepteur intermédiaire de pièces (28) un dispositif (66) de guidage de levage au moyen duquel le récepteur intermédiaire de pièces (28) déplacé par l'entraînement de récepteur intermédiaire peut être soulevé au niveau de prise en charge et/ou abaissé au niveau de remise, caractérisé en ce que le récepteur intermédiaire de pièces (28) est articulé à l'élément de liaison (25, 26) à pivotement autour d'un axe de pivotement horizontal (32) au moyen d'un palier de pivotement, et en ce que le récepteur intermédiaire de pièces (28) coopère, à distance horizontale du palier de pivotement, avec un élément (65) de guidage de levage du dispositif (66) de guidage de levage du récepteur intermédiaire de pièces (28) et est ainsi disposé au niveau de prise en charge, suite au mouvement effectué au moyen de l'entraînement de récepteur intermédiaire, avec une orientation de consigne par rapport à la pièce (7) à prendre en charge, en particulier sensiblement parallèlement à la pièce.
  15. Dispositif de déchargement mécanique pour décharger des pièces (7) d'un support de pièces (8) d'une machine-outil (2) destinée à usiner des pièces de préférence du genre plaques, en particulier des tôles, comprenant un dispositif mécanique (19) de transfert de pièces et un récepteur de pièces (54) pour des pièces (7) provenant du support de pièces (8) de la machine-outil (2), sachant que le dispositif mécanique (19) de transfert de pièces est prévu entre le support de pièces (8) de la machine-outil (2) d'une part et le récepteur de pièces (54) d'autre part, caractérisé en ce que le dispositif mécanique (19) de transfert de pièces est configuré selon l'une des revendications précédentes.
  16. Dispositif de déchargement mécanique selon la revendication 15, sachant qu'il est prévu pour le récepteur intermédiaire de pièces (28) du dispositif mécanique (19) de transfert de pièces un entraînement de récepteur intermédiaire au moyen duquel le récepteur intermédiaire de pièces (28) peut être déplacé en direction horizontale d'une part dans une position proche du support de pièces et d'autre part dans une position éloignée du support de pièces, distante en direction horizontale de la position proche du support de pièces, et/ou sachant que la structure de guidage (34) du récepteur intermédiaire de pièces (28) est réalisée au moins partiellement sous la forme d'une structure de guidage mobile (22), pour laquelle il est prévu un entraînement de structure de guidage au moyen duquel la structure de guidage mobile (22) du récepteur intermédiaire de pièces (28) peut être déplacée en direction horizontale d'une part dans une position proche du support de pièces et d'autre part dans une position éloignée du support de pièces, distante en direction horizontale de la position proche du support de pièces, caractérisé en ce que le récepteur de pièces (54) peut, au moyen de l'entraînement de récepteur intermédiaire et/ou au moyen de l'entraînement de structure de guidage, être déplacé en direction horizontale d'une part dans une position proche du support de pièces et d'autre part dans une position éloignée du support de pièces, distante en direction horizontale de la position proche du support de pièces.
  17. Dispositif de déchargement mécanique selon la revendication 16, caractérisé en ce que le récepteur de pièces (54) peut, au moyen de l'entraînement de structure de guidage, être déplacé en direction horizontale d'une part dans une position proche du support de pièces et d'autre part dans une position éloignée du support de pièces, distante en direction horizontale de la position proche du support de pièces, par le fait que le récepteur de pièces (54) est prévu sur la structure de guidage mobile (22) du récepteur intermédiaire de pièces (28), en particulier est monté sur la structure de guidage mobile (22) du récepteur intermédiaire de pièces (28) en pouvant être séparé de celle-ci.
  18. Agencement mécanique pour l'usinage de pièces de préférence du genre plaques, en particulier de tôles, avec une machine-outil (2) qui présente un support de pièces (8) et avec un dispositif de déchargement mécanique (14, 19, 54) pour décharger des pièces (7) du support de pièces (8) de la machine-outil (2), caractérisé en ce que le dispositif de déchargement mécanique (14, 19, 54) est configuré selon l'une des revendications 15 à 17.
EP14189460.0A 2013-11-14 2014-10-20 Dispositif mécanique de transfert de pièce et dispositif de déchargement mécanique et agencement mécanique destiné au traitement de pièces à l'aide d'un tel dispositif de transfert de pièce Active EP2875879B1 (fr)

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DE202015009235U1 (de) * 2015-11-23 2016-12-27 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Vorrichtungen zum Bewegen und/oder Entladen eines Werkstückausschnitts
CN206939854U (zh) * 2017-09-08 2018-01-30 河南裕展精密科技有限公司 工件暂存装置及采用该工件暂存装置的流水线
CN110436171B (zh) * 2019-08-09 2024-05-14 苏州工业职业技术学院 一种工件的自动传送装置
CN115008238B (zh) * 2022-07-11 2024-05-17 山东恒亚机床制造有限公司 一种可自动接料的数控机床

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DE3312120A1 (de) * 1983-04-02 1984-10-11 Werner Dr.-Ing. 5760 Arnsberg Wiewelhove Vorrichtung zum stapeln von rechteckigen blechen, platten oder profilen aus st- oder ne-werkstoffen, ihrer zuschnitte oder ihrer formteile
EP0155332B1 (fr) * 1984-03-20 1988-08-24 L. SCHULER GmbH Support intermédiaire de pièce dans une presse-transfert
DE3519334A1 (de) * 1985-05-30 1986-12-04 L. Schuler GmbH, 7320 Göppingen Einrichtung zum zufuehren von blechzuschnitten zur ersten bearbeitungsstufe einer mehrstufenpresse
DE3931081A1 (de) * 1989-09-18 1991-03-28 Schuler Gmbh L Zwischenablage zwischen bearbeitungsstufen einer presse
DE10325878A1 (de) * 2003-06-06 2004-12-23 Grob-Werke Burkhart Grob E.K. Beladesystem für eine Bearbeitungsstation
DE102010037885B3 (de) * 2010-09-30 2011-12-15 Trumpf Sachsen Gmbh Anordnung und Verfahren zum Abführen von Bearbeitungsprodukten von einer Bearbeitungsmaschine
EP2444174B1 (fr) * 2010-10-22 2013-11-27 TRUMPF Corporation Agencement mécanique pour le traitement de pièces usinées, notamment des tôles, ainsi que procédé de déchargement de pièces usinées sur un tel agencement mécanique

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DE102013223252B4 (de) 2015-09-03
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CN104624826B (zh) 2017-12-12
CN104624826A (zh) 2015-05-20

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