EP3515627A1 - Machine-outil et procédé d'usinage de pièces en forme de plaque - Google Patents

Machine-outil et procédé d'usinage de pièces en forme de plaque

Info

Publication number
EP3515627A1
EP3515627A1 EP17780339.2A EP17780339A EP3515627A1 EP 3515627 A1 EP3515627 A1 EP 3515627A1 EP 17780339 A EP17780339 A EP 17780339A EP 3515627 A1 EP3515627 A1 EP 3515627A1
Authority
EP
European Patent Office
Prior art keywords
tool
axis
measuring device
drive assembly
along
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.)
Granted
Application number
EP17780339.2A
Other languages
German (de)
English (en)
Other versions
EP3515627B1 (fr
Inventor
Dennis Tränklein
Markus Wilhelm
Rainer Hank
Marc Klinkhammer
Leonard Schindewolf
Simon OCKENFUSS
Jens Kappes
Alexander Tatarczyk
Jörg Neupert
Dominik BITTO
Markus MAATZ
Christian JAKISCH
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 Werkzeugmaschinen SE and Co KG
Original Assignee
Trumpf Werkzeugmaschinen SE 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.)
Filing date
Publication date
Priority claimed from DE102016118175.7A external-priority patent/DE102016118175B4/de
Priority claimed from DE102016120142.1A external-priority patent/DE102016120142A1/de
Application filed by Trumpf Werkzeugmaschinen SE and Co KG filed Critical Trumpf Werkzeugmaschinen SE and Co KG
Publication of EP3515627A1 publication Critical patent/EP3515627A1/fr
Application granted granted Critical
Publication of EP3515627B1 publication Critical patent/EP3515627B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching

Definitions

  • the invention relates to a machine tool and a method for processing plate-shaped workpieces, preferably of sheets.
  • Such a machine tool is known from EP 2 527 058 B1.
  • This document discloses a machine tool in the form of a press for machining workpieces, wherein an upper tool is provided on a lifting device which is movable relative to a workpiece to be machined along a lifting axis in the direction of the workpiece and in the opposite direction.
  • a lower tool is provided, which is positioned to a bottom.
  • a lifting drive device for a lifting movement of the upper tool is controlled by a wedge gear.
  • the lifting drive device with the upper tool arranged thereon can be moved along a positioning axis with a motor drive.
  • the lower tool is moved synchronously with a motor drive to the upper tool.
  • a device for carrying out a method for the optical Vor Skongot of tools, such as punching tool which has a magazine for receiving the tools.
  • the pre-device comprises a recording unit for detecting the geometry of the tools in order to compare the acquired data with desired data stored in a computer. It is envisaged that the tool to be tested or calibrated is removed from the magazine of the pre-device and a tool holder is supplied, which is rotatable and a Gaznmess- and position determination device is assigned. After pre-setting the tools is required that the tools are removed from the magazine of the pre-device and fed to a magazine of a machine tool, so that from there the tools for processing can be used.
  • the invention has for its object to provide a machine tool and a method for processing plate-shaped workpieces, in particular sheets, are reduced by which set-up times.
  • a machine tool for processing plate-shaped workpieces preferably sheets.
  • This comprises an upper tool which can be moved along a lifting axis with a lifting drive device in the direction of a workpiece to be machined with the upper tool and in the opposite direction and which can be positioned with at least one motor drive arrangement along an upper positioning axis running perpendicular to the lifting axis.
  • This further comprises a lower tool, which is aligned with the upper tool and can be positioned with at least one motor drive arrangement along a lower positioning axis, which is aligned perpendicular to the lifting axis of the upper tool.
  • the upper and lower tool can be moved in the frame interior of a machine frame.
  • the motor drive arrangements for the process of the upper and / or lower tool can be controlled. It is provided that the travel movement of the upper tool along the upper positioning and the movement of the lower tool along the lower positioning are each independently controllable. Furthermore, at least one measuring device aligned with the lower drive arrangement and / or at the lower drive arrangement at least one measuring device aligned with the upper drive arrangement are provided on the upper drive arrangement. The arrangement and positioning of the at least one measuring device on the lower and / or upper drive arrangement makes it possible to use individual parameters of the upper and / or lower tool, such as a tool length and / or, for example, before the tool is used for processing by means of the at least one measuring device a tool geometry to be detected.
  • This data can be forwarded to the control of the machine tool and processed, so that immediately following a machining of the workpiece with the current data of the tool used is possible.
  • a previous complex data transfer of data which is carried out by a separate measurement of a tool length and / or a tool type or geometry in a Vor Rhein separate from the machine tool and a subsequent conversion of the tools in the machine tool is no longer required.
  • the at least one measuring device is positioned adjacent to the tool holder of the upper tool and / or lower tool on the upper and / or lower drive order. This makes it possible that only a small movement of the upper tool and / or lower tool along the upper and / or lower positioning axis is required in opposite directions to each other to position the upper tool and lower tool respectively to the opposite measuring device. After the detection of at least one parameter of the upper tool and / or lower tool, the machining of the workpiece can be started immediately thereafter.
  • the at least one measuring device is aligned on the upper drive arrangement on the lower tool and / or the at least one measuring device is aligned on the upper drive assembly on the upper tool.
  • the relative movement of the upper and / or lower tool along the upper and / or lower positioning can be determined.
  • a measuring axis of the measuring device is aligned in the same direction as the position axis of the opposite upper tool and / or lower tool.
  • a control of a height of a machining tool on the upper tool or a counter tool on the lower tool can be made possible in a simple manner.
  • a height of a scraper or the presence of a scraper as well as the control of the scraper type can be made possible. It can also be determined whether a length and / or contour of the machining tool on the upper tool or of the counter-tool on the lower tool is in front of a wear limit or has exceeded it.
  • the at least one measuring device is designed as a scanning element or by a non-contact sensor.
  • the non-contact sensor the flexibility in the detection of parameters can be increased.
  • an alignment of the upper and / or lower tool to the opposite non-contact sensor is sufficient, without a movement along the at least one lifting axis is required.
  • the measuring device designed as a contactless sensor is designed as an optical distance sensor, in particular a line laser or a camera device, in particular a CCD camera. Depending on the available installation space, a selection of the measuring device can take place. In addition, the measuring device can be adapted to the required measuring tasks.
  • a further advantageous embodiment of the machine tool provides that the measuring device is provided on a console carriage of the lower drive arrangement. This allows easy positioning of the measuring device adjacent to the lower tool. In addition, this can be aligned freely with respect to the measuring axis in the direction of the upper tool.
  • the at least one measuring device on the upper drive arrangement is preferably provided on the double wedge of a wedge gear. This allows a protected arrangement, in particular before to be processed corrugated sheets.
  • a further preferred embodiment of the machine tool provides that in the measuring device on a discharge side of the measuring axis, a cover or shield is assigned, which is removable for a measurement operation.
  • a cover or shield is assigned, which is removable for a measurement operation.
  • the object on which the invention is based is furthermore achieved by a method for processing plate-shaped workpieces, preferably sheets, in which an upper tool which is movable along a lifting axis with a lifting drive device in the direction of a workpiece to be machined with the upper tool and in the opposite direction , is moved with at least one motor drive assembly along an axis perpendicular to the lifting axis upper positioning and wherein a lower tool, which is aligned with the upper tool is moved with at least one motor drive assembly along a lower positioning axis, which is aligned perpendicular to the stroke axis of the upper tool.
  • the upper and lower tool is moved in the frame interior of a machine frame.
  • the motor drive arrangements for moving the upper and lower tool are controlled by a controller.
  • At least one measuring device provided on the upper drive device which is aligned in the direction of the lower drive arrangement, along the upper positioning axis and / or at least one provided on the lower drive assembly measuring device which is aligned in the direction of the upper drive assembly, be controlled independently of each other along the lower positioning axis.
  • This detection of the parameters can be forwarded directly to the control of the machine tool, so that the recorded data of the upper and / or lower tool are taken into account in the subsequent processing steps.
  • the setup process is simplified and shortened in time.
  • it can be ensured that the required for the subsequent processing process upper and lower tool in the upper and / or lower tool holder of the machine tool is added.
  • a movement of movement of the upper tool and / or the lower tool along the lower and / or upper positioning axis is controlled superimposed on a rotational movement about the lifting axis and / or a lifting movement along the lifting axis.
  • a preferred embodiment of the method provides that a height of the upper tool or the lower tool is detected by moving over a measuring axis of the opposite measuring device by a movement along the upper and / or lower positioning. By such a movement, for example, a height of the tool body on the upper tool or counter tool body can be made possible on the lower tool.
  • a geometry can also be detected, as well as possibly a wear of the tool body or counter tool body.
  • a further preferred embodiment of the method provides that for performing a measurement of the upper tool or lower tool, the upper tool or the lower tool is positioned adjacent to the measuring axis of the opposite measuring device or aligned to the measuring axis, to subsequently perform a measurement strategy.
  • detection of detailed tool information may be performed.
  • the data detected by the measuring device are processed in an evaluation device and compared with data from tools in a data memory of the controller or evaluation and evaluated. This has the advantage that a check can be made as to whether the appropriate tool has been prepared. In addition, it can be detected in a simple manner, whether the tool is within or outside a wear limit.
  • FIG. 1 shows a perspective view of the machine tool according to the invention
  • FIG. 2 shows a schematic representation of the basic structure of a lifting drive device and of a motor drive according to FIG. 1,
  • FIG. 3 shows a schematic diagram of a superimposed lifting movement in the Y and Z directions of the tappet according to FIG. 1,
  • FIG. 4 shows a schematic diagram of a further superimposed lifting movement in the Y and Z directions of the tappet according to FIG. 1,
  • FIG. 5 shows a schematic view from above of the machine tool according to FIG. 1 with workpiece support surfaces
  • FIG. 6 shows a schematic side view of the upper and lower drive arrangement in a machining position of the upper tool relative to the lower tool
  • Figure 7 is a schematic side view of the upper and lower drive assembly in a measuring position for the upper tool
  • FIG. 8 shows a schematic view of a tool body of an upper tool in a measuring method with a measuring device on the lower drive arrangement.
  • FIG. 1 shows a machine tool 1, which is designed as a stamping press.
  • This machine tool 1 comprises a support structure with a closed machine frame 2. This comprises two horizontal frame legs 3, 4 and two vertical frame legs 5 and 6.
  • the machine frame 2 encloses a frame interior 7, the working area of the machine tool 1 with an upper tool 11 and a lower tool. 9 forms.
  • the machine tool 1 is used for processing plate-shaped workpieces 10, which are not shown in Figure 1 for the sake of simplicity and can be arranged for processing purposes in the frame interior 7.
  • a workpiece 10 to be machined is placed on a workpiece support 8 provided in the frame interior 7.
  • the lower tool 9 is mounted, for example in the form of a punching die on the lower horizontal frame leg 4 of the machine frame 2.
  • This punching die can be provided with a die opening.
  • the upper tool 11 and lower tool 9 can be used instead of a punch and a punching die as a punch and a bending die for forming workpieces 10.
  • the upper tool 11 is fixed in a tool holder at a lower end of a plunger 12.
  • the plunger 12 is part of a lifting drive device 13, by means of which the upper tool 11 can be moved in a stroke direction along a lifting axis 14.
  • the lifting axis 14 extends in the direction of the Z-axis of the coordinate system of a indicated in Figure 1 numerical control 15 of the machine tool 1.
  • Perpendicular to the lifting axis 14, the lifting drive device 13 along a positioning axis 16 are moved in the direction of the double arrow.
  • the positioning axis 16 extends in the direction of the Y-axis of the coordinate system of the numerical control 15.
  • the lifting tool 13 receiving the upper tool 11 is moved by means of a motor drive 17 along the positioning axis 16.
  • the movement of the plunger 12 along the lifting axis 14 and the positioning of the lifting drive device 13 along the positioning axis 16 by means of a motor drive 17 in the form of a drive assembly 17, in particular spindle drive assembly, with a running in the direction of the positioning axis 16 and fixedly connected to the machine frame 2 drive spindle 18.
  • the lifting drive device 13 is guided during movements along the positioning axis 16 on three guide rails 19 of the upper frame leg 3, of which two guide rails 19 can be seen in FIG.
  • the one remaining guide rail 19 is parallel to the visible guide rail 19 and is spaced therefrom in the direction X-axis of the coordinate system of the numerical control 15.
  • On the guide rails 19 run guide shoes 20 of the Hubantriebsvorraum 13.
  • the lifting drive device 13 is suspended on the machine frame 2 via the guide shoes 20 and the guide rails 19.
  • Another component of the lifting drive device 13 is a wedge gear 21, by which a position of the upper tool 11 is adjustable relative to the lower tool 9.
  • the lower tool 9 is received movably along a lower positioning axis 25.
  • This lower positioning axis 25 extends in the direction of the Y-axis of the coordinate system of the numerical control 15.
  • the lower positioning axis 25 is aligned parallel to the upper positioning axis 16.
  • the lower tool 9 can be moved directly on the lower positioning axis 16 with a motor drive arrangement 26 along the positioning axis 25.
  • the lower tool 9 can also be provided on a lifting drive device 27, which can be moved along the lower positioning axis 25 by means of the motor drive arrangement 26.
  • This drive arrangement 26 is preferably designed as a spindle drive arrangement.
  • the lower lift drive device 27 may correspond in structure to the upper lift drive device 13.
  • the motor drive assembly 26 may correspond to the motor drive assembly 17.
  • the lower lifting drive device 27 is slidably mounted on the lower horizontal frame leg 4 associated guide rails 19.
  • Guide shoes 20 of the lifting drive device 27 run on the guide rails 19, so that the connection between the guide rails 19 and guide shoes 20 on the lower tool 9 can also absorb a load acting in the vertical direction. Accordingly, the lifting drive device 27 is suspended via the guide shoes 20 and the guide rails 19 on the machine frame 2 and at a distance from the guide rails 19 and guide shoes 20 of the upper lifting drive device 13.
  • the lifting drive device 27 may include a wedge gear 21, by which the position or height of the lower tool 9 along the Z-axis is adjustable.
  • both the motor drives 17 for a movement of the upper tool 11 along the upper positioning axis 16, as well as the one or more motor drives 26 for a movement of the lower tool 9 along the lower positioning axis 25 are controlled independently.
  • the upper and lower tool 11, 9 can be moved synchronously in the direction of the Y-axis of the coordinate system.
  • an independent movement of the upper and lower tool 11, 9 are also driven in different directions.
  • This independent movement of the upper and lower tool 11, 9 can be controlled at the same time.
  • the upper and lower tool 11, 9 may be formed for machining the workpieces 10 in a variety of ways.
  • the wedge gear 21 comprises two drive-side wedge gear elements 122, 123, and two output-side wedge gear elements 124, 125. The latter are structurally combined to form a structural unit in the form of a driven-side double wedge 126.
  • the plunger 12 is rotatably mounted about the lifting axis 14.
  • a motor rotary drive device 128 is housed in the output side double wedge 126 and moves the plunger 12 when necessary along the lifting axis 14.
  • a plunger bearing 129 is shown schematically.
  • the plunger bearing 129 allows low-friction rotational movements of the plunger 12 about the lifting axis 14, on the other hand supports the plunger bearing 129 the plunger 12 in the axial direction and accordingly carries loads acting on the plunger 12 in the direction of the lifting axis 14, in the output side double wedge 126th from.
  • the driven-side double wedge 126 is limited by a wedge surface 130, and by a wedge surface 131 of the output-side gear element 125.
  • the wedge surfaces 130, 131 of the output-side wedge gear elements 124, 125 are opposed by wedge surfaces 132, 133 of the drive-side wedge gear elements 122, 123.
  • longitudinal guides 134, 135 the drive-side wedge gear member 122 and the output side wedge gear member 124 and the drive side wedge gear member 123 and the driven side wedge gear member 125 in the direction of the Y-axis, that is, in the direction of the positioning axis 16 of the Hubantriebsvorraumraum 13, guided relative to each other movable.
  • the drive-side wedge gear element 122 has a motor drive unit 138, the drive-side wedge gear element 123 via a motor drive unit 139. Both drive units 138, 139 together form the spindle drive arrangement 17th
  • motor drive units 138, 139 Common to the motor drive units 138, 139 is the drive spindle 18 shown in FIG. 1 as well as the lifting drive device 13, 27 mounted on the machine frame 2 and consequently supporting structure side.
  • the drive-side wedge gear elements 122, 123 are operated such that they move along the positioning axis 16, for example, which results in a relative movement between the drive-side wedge gear elements 122, 123 on the one hand and the output side wedge gear elements 124, 125 on the other hand , As a result of this relative movement of the output side double wedge 126 and the ram 12 mounted thereon is moved along the lifting axis 14 down.
  • the punch mounted on the plunger 12, for example, as an upper tool 11 performs a working stroke and thereby machined on the workpiece support 28, 29 and the workpiece support 8 mounted workpiece 10.
  • the plunger 12 is again along the Lifting axle 14 is raised or moved upwards.
  • the above-described lifting drive device 13 according to FIG. 2 is preferably constructed identically as the lower lift drive device 27 and accommodates the lower tool 9.
  • FIG. 3 shows a schematic diagram of a possible stroke movement of the plunger 12.
  • the diagram shows a stroke course along the Y-axis and the Z-axis.
  • an oblique lifting movement of the Hubst formulateels 12 down to the workpiece 10 to be driven as shown by the first straight line A.
  • the plunger 12 can be lifted vertically, for example, as shown by the straight line B.
  • an exclusive movement takes place along the Y-axis in accordance with the straight line C, in order to position the plunger 12 for the workpiece 10 for a new working position.
  • the work sequence described above can be repeated. If, for a subsequent processing step, the workpiece 10 is moved on the workpiece support surface 28, 29, a movement along the straight line C can also be dispensed with.
  • the illustrated in the diagram in Figure 3 possible stroke movement of the plunger 12 on the upper tool 11 is preferably combined with a stationary held lower tool 9.
  • the lower tool 9 is positioned within the machine frame 2 such that at the end of a working stroke of the upper tool 11, the upper and lower tool 11, 9 occupy a defined position.
  • This exemplary superimposed stroke course can be controlled both for the upper tool 11 and the lower tool 9.
  • a superimposed lifting movement of the upper tool and / or lower tool 11, 9 can be actuated.
  • FIG. 4 shows a schematic diagram illustrating a lifting movement of the plunger 12 according to the exemplary illustrated line D along a Y-axis and a Z-axis.
  • a lifting movement of the plunger 12 can undergo a curve or arc curve by a superposition of the movements in the Y direction and Z direction is controlled accordingly by the controller 15.
  • Such a flexible superimposition of the movement movements in the X and Z directions allows specific machining tasks to be solved.
  • the control of such a curve can be provided for the upper tool 11 and / or lower tool 9.
  • FIG. 5 shows a schematic view of the machine tool 1 according to FIG.
  • the workpiece support 28 may for example be associated with a loading station, not shown, through which unprocessed workpieces 10 are placed on the workpiece support 28.
  • Adjoining the workpiece support 28, 29 is a feed device 22, which comprises a plurality of grippers 23 in order to grip the workpiece 10 placed on the workpiece support 28.
  • the feed device 22 By means of the feed device 22, the workpiece 10 is passed through the machine frame 2 in the X direction.
  • the feed device 22 can also be moved in the Y direction. As a result, a free movement of the workpiece 10 in the X-Y plane can be provided.
  • the workpiece 10 can be moved by the feed device 22 both in the X direction and counter to the X direction.
  • This movement of the workpiece 10 can be adapted to a movement of the upper tool 11 and lower tool 9 in and counter to the Y direction for the respective processing task.
  • the workpiece support 28 opposite the other workpiece support 29 is provided on the machine frame 2. This may for example be associated with an unloading station. Alternatively, the loading and unloading of the unprocessed workpiece 10 and machined workpiece 10 with workpieces 81 may also be assigned to the same workpiece support 28, 29.
  • the machine tool 1 can furthermore have a laser processing device 201, in particular a laser cutting machine, which is shown only schematically in a plan view in FIG.
  • This laser processing device 201 can be designed, for example, as a CO 2 laser cutting machine.
  • the laser processing device 201 comprises a laser source 202, which generates a laser beam 203, which is guided by means of a beam guide 204 shown schematically to a laser processing head, in particular laser cutting head 206, and focused in this. Thereafter, the laser beam 204 is aligned by a cutting nozzle perpendicular to the surface of the workpiece 10 to machine the workpiece 10.
  • the laser beam 203 acts on the workpiece 10 at the processing location, in particular the cutting location, preferably together with a process gas jet.
  • the cutting point at which the laser beam 203 impinges on the workpiece 10 is adjacent to the processing point of the upper tool 11 and lower tool.
  • the laser cutting head 206 can be moved by a linear drive 207 with a linear axis system at least in the Y direction, preferably in the Y and Z directions.
  • This linear axis system which receives the laser cutting head 206, may be associated with, attached to, or integrated with the machine frame 2.
  • a beam passage opening may be provided in the workpiece support 28.
  • a beam collecting device for the laser beam 21 may be provided below the beam passage opening.
  • the beam passage opening and optionally the beam collecting device can also be designed as a structural unit.
  • the laser processing device 201 may also comprise a solid-state laser as the laser source 202, the radiation of which is guided to the laser cutting head 206 by means of a light-conducting cable.
  • the workpiece support 28, 29 may extend directly to the workpiece support 8, which surrounds the lower tool 9 at least partially. Within a free space resulting therebetween, the lower tool 9 is movable along the lower positioning axis 25 in and counter to the Y direction.
  • the workpiece support 28 is for example a machined workpiece 10, in which a workpiece part 81 is cut free from a cutting gap 83, for example by a punching or by a laser beam processing to a residual compound 82.
  • the workpiece 81 is held in the workpiece 10 and the remaining skeleton.
  • the workpiece 10 is positioned by means of the feed device 22 to the upper and lower tool 11, 9 for a stamping and Ausschleus suits.
  • the residual compound 82 is separated by a punching stroke of the upper tool 11 to the lower tool 9.
  • the workpiece part 81 can be discharged, for example, by partially lowering the workpiece support 8 down.
  • the cut-free workpiece part 81 can be transferred back to the workpiece support 28 or onto the workpiece support 29 in order to unload the workpiece part 81 and the residual grid.
  • small workpiece parts 81 may optionally be discharged through an opening in the lower tool 9.
  • an upper drive assembly 17 is shown schematically simplified compared to the arrangement shown in Figure 2.
  • This upper drive assembly 17 is opposite the lower drive assembly 26 is provided.
  • an upper stroke axis 14 of the upper drive assembly 17 in the lifting axis 30 of the lower drive assembly 26 is an upper position axis 35 of the upper tool 11.
  • an upper position axis 35 of the upper tool 11 is an upper position axis 35 of the upper tool 11.
  • Equally congruent with a lower stroke axis 14 is a lower position axis 48 of the lower tool.
  • the position of the upper and lower drive assemblies 17, 26 shown in Figure 6 may represent a machining position of the upper tool 11 and lower tool 9.
  • the upper drive arrangement 17 has an upper measuring device 601.
  • This upper measuring device 601 is provided, for example, on the double wedge 126.
  • This upper measuring device 601 is arranged adjacent to the plunger 12, which receives the upper tool 11.
  • the measuring device 601 is aligned with a measuring axis 602 on the lower drive assembly 26.
  • the measuring axis 602 of the measuring device 601 can be aligned parallel to the position axis 35. This orientation of the measuring axis 602 is also dependent on the selection of the measuring device 601.
  • a lower measuring device 604 is provided, the measuring axis 605 of which is directed in the direction of the upper drive arrangement 17.
  • the measuring axis 605 may preferably be aligned parallel to the position axis 48.
  • the lower measuring device 604 is preferably arranged on a console carriage 606, which is part of the motor drive arrangement 26. This console carriage 606 is preferably movably guided along the lower position axis 25, in particular a spindle.
  • only one measuring device 601 on the drive arrangement 17 and one measuring device 604 on the drive device 26 are provided in each case.
  • a plurality of measuring devices can be provided on one of the two or both drive arrangements 17, 26.
  • a non-contact sensor in particular a distance sensor, is provided.
  • a distance sensor By such a distance sensor, the respective opposite end face of a tool body 39 of the upper tool 11 ( Figure 8) or a counter tool body of the lower tool 9 can be detected.
  • the measuring device 601, 604 is designed as a line laser.
  • a camera system may be provided, such as a CCD camera, or other imaging device are used by which corresponding data detected by the opposite upper tool 11 or lower tool 9, processed in an evaluation and the controller 15 can be supplied.
  • FIG. 7 shows a positioning of the upper tool 11 above the measuring device 604 on the lower drive device 26.
  • the upper drive arrangement 17 can be moved along the upper positioning axis 16 and / or the lower drive arrangement 26 along the lower positioning axis 25.
  • the distance between the position axis 48 and the measuring axis 605 of the lower measuring device 604 is, for example, a distance A.
  • this is also moved by the distance A to the lower drive assembly 26 with respect to the lifting axis 14 or the position axis 35 of the upper tool 11, so that then a measurement can be performed.
  • the distance between the measuring device 604 and a cutting edge 38 and / or punch surface 43 or underside of the tool body 39 of the upper tool 11 can be determined. From this it can be determined on the one hand, whether an upper tool 11 is received by the upper drive assembly 17. In addition, the height of the tool body 39 on the upper tool 11 and possibly also the wear can be determined. The data is passed to the controller 15 for further processing. The same applies to the lower tool, provided that the upper measuring device 601 is directed with its measuring axis 602 on the lower tool 9.
  • the abovementioned parameters for the tool body 39 on the upper tool 11 can also be determined when a movement is actuated in which the upper tool 11 passes over the lower measuring device 604.
  • a detection of the geometry of a stamp face 43 of a machining tool 37 can also be detected and / or a wear can be detected.
  • the positioning of the upper drive assembly 17 is at a distance A to the lower drive assembly 26.
  • the upper tool 11 and the lifting shaft 14 is driven by a rotational movement.
  • the geometry of the stamp surface 43 can be detected.
  • a distance R of the measuring point 607 to an axis Y 1 shown in FIG. 8 (tool axis) can be increased.
  • the tool type can be determined.
  • a snail-shaped scanning movement on the underside of the tool body 39 of the upper tool 11 by a linear increase of the distance R of the measuring point 607 to an axis shown in Figure 8 Y 1 done.
  • both the geometry and a possible wear on a cutting edge 38 bounding the cutting edge 38 of the tool body 39 of the upper tool 11 can be detected. This is done for example by the detection of polar coordinates.
  • An analogous procedure can also be carried out for the lower tool 9 by the measuring device 601.
  • the measuring device 601, 604 can also detect a break at a cutting edge 38 of the tool body 39 or a counter cutting edge of the counter tool body, in particular after the machining of the workpiece 10, and before a tool change is pending.
  • the data determined by the measuring device 601 and 604 are forwarded to the controller 15, so that they are taken into account as correction data for the subsequent processing of the workpiece 10 with the measured tool.
  • This has the advantage that before the start of a workpiece machining, a check or a detection of the tool body of the upper tool and counter tool body of the lower tool takes place, so that subsequently can be carried out without further setup process, the machining of the workpiece 10.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Automatic Control Of Machine Tools (AREA)
  • Punching Or Piercing (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

L'invention concerne une machine-outil et un procédé d'usinage de pièces en forme de plaque, de préférence de tôles, comprenant un outil supérieur (11) qui est mobile le long d'un axe de levage (14) au moyen d'un dispositif de levage (13) en direction d'une pièce (10) à usiner avec l'outil supérieur et dans la direction opposée et qui peut être positionné avec au moins un ensemble d'entraînement par moteur (17) le long d'un axe de positionnement supérieur (16) perpendiculaire à l'axe de levage (14), un outil inférieur (9) qui est orienté en direction de l'outil supérieur (11) et qui peut être positionné au moyen d'au moins un dispositif d'entraînement par moteur (26) le long d'un axe de positionnement inférieur (25) perpendiculaire à l'axe de levage (14) de l'outil supérieur (11), et au moins un dispositif de commande (15) qui commande les ensembles d'entraînement par moteur (17, 26) pour déplacer les outils supérieur et inférieur (11, 9). Le déplacement de l'outil supérieur (11) le long de l'axe de positionnement supérieur (16) et le déplacement de l'outil inférieur (9) le long de l'axe de positionnement inférieur (25) peuvent être commandés indépendamment l'un de l'autre, et au moins un dispositif de mesure (601), orienté sur l'ensemble d'entraînement inférieur (26), est prévu au niveau de l'ensemble d'entraînement supérieur (17) et/ou au moins un dispositif de mesure (604), orienté sur l'ensemble d'entraînement supérieur (17), est prévu au niveau de l'ensemble d'entraînement inférieur (26).
EP17780339.2A 2016-09-26 2017-09-26 Machine-outil et procédé d'usinage de pièces en forme de plaque Active EP3515627B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016118175.7A DE102016118175B4 (de) 2016-09-26 2016-09-26 Werkzeugmaschine und Verfahren zum Bearbeiten von plattenförmigen Werkstücken
DE102016120142.1A DE102016120142A1 (de) 2016-10-21 2016-10-21 Werkzeugmaschine und Verfahren zum Bearbeiten von plattenförmigen Werkstücken
PCT/EP2017/074303 WO2018055185A1 (fr) 2016-09-26 2017-09-26 Machine-outil et procédé d'usinage de pièces en forme de plaque

Publications (2)

Publication Number Publication Date
EP3515627A1 true EP3515627A1 (fr) 2019-07-31
EP3515627B1 EP3515627B1 (fr) 2020-09-09

Family

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Application Number Title Priority Date Filing Date
EP17780339.2A Active EP3515627B1 (fr) 2016-09-26 2017-09-26 Machine-outil et procédé d'usinage de pièces en forme de plaque

Country Status (4)

Country Link
EP (1) EP3515627B1 (fr)
JP (1) JP7023937B2 (fr)
CN (1) CN109789474B (fr)
WO (1) WO2018055185A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019124366A1 (de) * 2019-09-11 2021-03-11 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Rüstvorrichtung sowie Verfahren zum Rüsten eines Werkzeuges zum Stanzen oder Umformen von plattenförmigen Materialien

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2597055Y2 (ja) * 1993-07-19 1999-06-28 株式会社アマダ パンチプレス
JPH11179445A (ja) * 1997-12-16 1999-07-06 Murata Mach Ltd カートリッジ式パンチプレス
JPH11188500A (ja) * 1997-12-26 1999-07-13 Yoshiki Kogyo Kk プレスシステム
JP3987316B2 (ja) 2001-10-16 2007-10-10 株式会社アマダエンジニアリングセンター パンチ／ダイ１軸移動型板材加工装置
JP4765464B2 (ja) 2005-07-29 2011-09-07 村田機械株式会社 パンチプレスの工具位置検知装置
JP2007245165A (ja) 2006-03-14 2007-09-27 Matsushita Electric Ind Co Ltd 打ち抜き加工用型および型の磨耗検出方法および型の研磨方法
DE102007008698A1 (de) 2007-02-20 2008-08-21 Deutsche Mechatronics Gmbh Verfahren zur optischen Voreinrichtung von Stanzmaschinenwerkzeugen und Vorrichtung zur Durchführung
ATE512734T1 (de) 2008-09-17 2011-07-15 Trumpf Werkzeugmaschinen Gmbh Einrichtung und verfahren zum automatischen zentrieren der werkzeugaufnahmen einer stanzmaschine
ES2517390T3 (es) 2011-05-26 2014-11-03 Werkzeugmaschinen Gmbh + Co. Kg Máquina herramienta en forma de prensa para el tratamiento de piezas de trabajo, especialmente de hojas de metal
CN202684611U (zh) * 2012-02-20 2013-01-23 靖江超星数控机床有限公司 能够自动调节工作台高度的精密数控机床
EP2745985A1 (fr) * 2012-12-21 2014-06-25 Maquinaria Geka S.A. Positionneur de laser pour des machines de découpage
CN205217650U (zh) * 2015-12-18 2016-05-11 江苏扬力数控机床有限公司 数控转塔冲床

Also Published As

Publication number Publication date
EP3515627B1 (fr) 2020-09-09
CN109789474B (zh) 2021-07-23
WO2018055185A1 (fr) 2018-03-29
JP7023937B2 (ja) 2022-02-22
CN109789474A (zh) 2019-05-21
JP2019531193A (ja) 2019-10-31

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