EP3030359A1 - Presse à plier - Google Patents

Presse à plier

Info

Publication number
EP3030359A1
EP3030359A1 EP14780580.8A EP14780580A EP3030359A1 EP 3030359 A1 EP3030359 A1 EP 3030359A1 EP 14780580 A EP14780580 A EP 14780580A EP 3030359 A1 EP3030359 A1 EP 3030359A1
Authority
EP
European Patent Office
Prior art keywords
tool
bending
sensor device
stop
tools
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
EP14780580.8A
Other languages
German (de)
English (en)
Other versions
EP3030359B1 (fr
Inventor
Lars WOIDASKY
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.)
Bystronic Laser AG
Original Assignee
Bystronic Laser AG
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 Bystronic Laser AG filed Critical Bystronic Laser AG
Priority to EP14780580.8A priority Critical patent/EP3030359B1/fr
Publication of EP3030359A1 publication Critical patent/EP3030359A1/fr
Application granted granted Critical
Publication of EP3030359B1 publication Critical patent/EP3030359B1/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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0272—Deflection compensating means
    • 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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/22—Auxiliary equipment, e.g. positioning 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
    • B21D43/003—Positioning 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
    • B21D43/26—Stops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/002—Positioning 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0281—Workpiece supporting devices

Definitions

  • the invention relates to a bending press according to the preamble of claim 1 and a method for bending a workpiece with a bending press according to claim 8.
  • the tool selection and arrangement in bending presses takes place to a high degree manually and only partially supported by the machine control.
  • a bending plan is created, which calculates the product-specific upper and lower tools, as well as their theoretical position.
  • the tools can be inserted in positions that do not correspond to the process and have the potential for danger.
  • JPH0952124A discloses a bending machine with upper and lower tool, a stop and a bar code reader, which is arranged on the stop.
  • Upper and lower tools are each provided on their back with a barcode that can be read by the barcode reader.
  • the barcode contains information about the nature of the tool. This information are transferred to an NC control.
  • a touch sensor or limit switch is provided on the stop, with which the dimensions of the respective tool can be determined. Such a procedure is complex and time-consuming, since the touch sensor must be moved up to the tool several times and in different positions.
  • Tools can not be detected on the outside of the machine, since due to the mechanics no (backgauge) can drive, and only individually positioned tools can be recognized Several tools that are pushed together on a tool holder can not be differentiated because the central ones In particular, individually positioned tools are only recognizable if the distances between the tools are large enough to be able to move with the back gauge or the fingers in between. such that on very small punches (upper tool) dies (lower tool) can not be represented.Also, the detection of the bar code on inclined surfaces of the tool is heavily flawed, so that not all
  • Tools can be reliably detected. Also, specially shaped tools can not be detected when the backgauge is not mechanically moved between the tools. If no approximate position of the tool is known prior to the detection process, there is a high risk of colliding with the back gauge. Since the workpieces to be machined also encounter the backgauge during positioning, the
  • WO2012 / 103565A1 discloses a method for loading a bending press with a bending tool.
  • a controlled handling device is used with a gripper for the bending tool.
  • a control device generates control commands in order to move the tool from an ACTUAL position to a desired position when it is inserted into the tool holder. Only when the tool has arrived in the desired position, it is inserted into the tool holder and fixed there.
  • the tools held by the handling device must be approached directly by the (rear) stop in order to determine their actual position.
  • the process is complex and based on the fundamental principle that the tools must take an exact position within the tool holder, so that the desired bending plan can be performed.
  • EP0919300B1 discloses a bending machine in which the upper tools are provided with bar codes.
  • a guide for a scanner for reading the bar codes which extends in the Z direction, is provided on the side facing the operator.
  • a linear scale eg a magnetic scale, is arranged as a position detection device on this tool clamping on the side facing the operator.
  • the position data of the upper tools recorded by the scanner are saved and later made available in an advertisement.
  • the operator For the re-production of a similar product, the operator must place the tools according to the stored data by hand exactly according to the stored position.
  • this bending machine is based on the fundamental principle that the tools must take an exact position within the tool holder, so that the desired bending plan can be performed. The exact positioning and adjustment of the tool position, however, requires a lot of time and personnel.
  • EP1517761 B1 and DE602005005385T2 relate to special tools and tool holders, which can detect tool positions relatively imprecisely via sensors. It is sometimes not possible
  • EP1510267B1 (or DE69736962T2) discloses a method of displaying a tool assembly in a press brake. Based on a displayed graph, it is determined whether the planned bending operation is also possible. Subsequently, additional tools for certain bendline sections are added and the process repeated with the new constellation. This method requires exactly as well as the previous methods an exact
  • DE4442381A1 relates to a device for detecting the position and shape of upper beam tools on folding machines and press bending presses. Behind the upper cheek is a guide in a motorized sliding carriage on which a holder for a laser light barrier is mounted. With this, the length of the built-in Oberwangentechnikmaschinemaschinee and their
  • Gaps determined. The values are displayed numerically and graphically. In addition, there is a read / write head in the holder, which reads out codes on the back of the upper beam tools.
  • the sensor device for contactless detection of the position and / or the nature of the upper tool and the lower tool is formed within the bending press and the control device is designed to the function of the detected with the sensor device position and / or type of the upper tool and the lower tool Movement process with which the at least one stopper is positioned relative to the tools to adjust.
  • the invention is based on the principle that not the tools (or their position within the tool holder) are adapted to the bending plan, but that the movements of the at least one stop to the position of the upper and lower tool within the bending press or within the respective Tool holder can be adjusted. As a result, a highly flexible system is created, which automatically controls the movements of the stop required before and during the bending process.
  • stop / stops eg back stops
  • a 'non-exact' insertion of the tool into the tool holder or insertion at a completely different location is thereby automatically 'compensated' or considered.
  • Tool holder leads to an automatic adjustment of the stop control and to a correct bending result.
  • a bending program is stored in the control device, which detects the detected by means of sensor device
  • Position data of the upper and lower tool are taken into account as an input variable and, depending on this input, control commands are generated to the drive of the stop as an output variable.
  • Stop elements such as stop fingers and the like understood.
  • the contactless sensor device in particular designed as a camera, it would also be possible to detect a plurality of tools distributed along the Z axis and inserted into the tool holder.
  • An automatic determination of the gap width between two adjacent top or bottom tools would be conceivable.
  • all tools can be held in a single shot.
  • the camera can be moved so that the individual tools along the z-axis are detected sequentially.
  • the detection of the tool data by means of the sensor device for the time being, regardless of the position or at all by the presence of a (rear) stop.
  • a stop could thus also be mounted or inserted only after the step of detecting.
  • other or additional tool data could be detected, which are not used for the correction of the stop, but serve other purposes.
  • Sensor device does not enter the working area of the bending press.
  • the sensor is also well protected and, due to its arrangement, can provide reliable images of the back of the tools.
  • Movement directions of the stop according to the invention are controlled.
  • the (back) stop could be e.g. be movable in three different spatial directions.
  • the arrangement of the sensor device in particular in the form of a reading head or a camera, on the guide of the back gauge or directly thereon offers the following advantages: simple arrangement; no additional interference contours on the outside of the machine; no obstruction of the bending process or personnel; the external appearance of the machine does not change for the user;
  • the sensor device is easy to retrofit and also allows that
  • the sensor device is protected with regard to contamination; several tools along the Z-axis are visible at the same time; and the Sensor device can be positioned arbitrarily.
  • the position of the tools could also be calculated via the reference position of the back gauge along the Z axis.
  • the sensor device can be moved to a position in which the detection range of the sensor device comprises at least partially both the upper tool and the lower tool. This can be done by means of a
  • the sensor device comprises at least two non-contact, in particular optical sensors with different spatial detection ranges.
  • the method of a sensor e.g. along the bending line, can be omitted.
  • the detection ranges of the sensors can overlap.
  • the bending press comprises a
  • User interface in particular in the form of a screen, wherein sensor data of the sensor device and / or derived from the sensor data data can be displayed on the operator interface (or automatically in operation on the
  • Sensor device comprises at least one camera and recorded by the camera images or image sequences are displayed on the screen for the operator.
  • the sensor device is preferably a camera, particularly preferably a matrix camera. This not only codes or scales can be detected, but - especially in their absence - and the tool itself or its contours. With a single measurement / image acquisition, therefore, a variety of different information can be detected.
  • a scale or a position marking is applied to the upper tool and / or the lower tool and / or the respective tool holder. This allows a reliable and accurate determination of the relative position of the tool to tool holder. Preference is given to the upper tool and / or the lower tool
  • two-dimensional code in particular a data matrix code applied, wherein preferably the code contains information about the tool used, in particular about the nature and dimensions of the tool.
  • Datamatrix codes have some advantages for this application, for example, they allow for oblique reading of the codes. As a result, codes of upper tools and lower tools can be evaluated simultaneously with a correspondingly large read window of the camera. Also, attaching the code on sloping surfaces is possible. Furthermore, this type of coding allows a relatively large
  • the object is also achieved with a method for bending a workpiece with a bending press according to one of the preceding embodiments. This method comprises the steps:
  • Sensor device detected position of the upper tool and / or
  • the system is flexibly adjusted to each tool position.
  • the position and / or type of the upper tool and the position and / or type of the lower tool are detected simultaneously. This includes the
  • the detection of the position and / or type of upper tool and / or lower tool by a contour recognition of the tool is determined.
  • the camera is able to adjust the contours of the tools used recognize and compare with (eg in the control device) deposited data. If no data is stored or no code at all, the tools are identified by their geometry and assigned accordingly.
  • the method preferably comprises a step of reading out information from a two-dimensional code, in particular a data matrix code, applied to the upper tool and / or the lower tool.
  • a data matrix code in particular a data matrix code
  • Parameters are used via the machine control so that the periphery of the machine is adapted to the present bending operation.
  • z As the backgauge, he is then positioned in relation to the tools.
  • a simultaneous recognition of the upper tool (punch) and lower tool (dies) takes place.
  • the position of these tools to each other can be relevant to safety and for the quality of the bend of importance.
  • safety-relevant means that a wrongly positioned upper tool can lead to a collision.
  • the invention also relates in one embodiment to the determination of tool type and tool position of all upper tools (bending punch) and all
  • Sub-tool within a bending press or bending machine.
  • the read head preferably a matrix camera, attached to a Z axis of the backgauge of the press brake, whereby it is automatically adjustable. Due to the relatively small dimensions of this camera and an already existing on the axis cable chain can be both installation, as well as the data transfer easily implemented.
  • a specific data matrix code is applied to each existing tool.
  • This code for example, stores a simple number which can be assigned in the database with the necessary parameters of the tool. These include, for example: geometry, maximum load, material, number of bending cycles already performed, wear, etc ..
  • the Datamatrix codes can be made even in the smallest version and thus also allow application to extremely narrow tools ( Punches and dies).
  • the bending plan can be automatically converted to real tool positions
  • the tools are not limited in their maximum load due to the non-contact measuring principle
  • the (matrix) camera can also be used to read codes of work plans or sheets, for example, for a certain process, program or sheet metal quality.
  • the camera used can visualize the (rear) stop area. Often it is difficult, plates exactly to the
  • Sensor device detected position of the upper tool and / or
  • User interface e.g., screen
  • the tools are not aligned and the position of at least one tool must be corrected.
  • the bending process or the setting-up process is preferably interrupted if the position and / or type of upper tool and / or lower tool detected by the sensor device are incorrect. In the case of incorrectly placed or incorrectly dimensioned tools, damage to the machine or dangers for the operating personnel due to tool breakage can be achieved in this way
  • the method comprises a calibration of the position of the stop, wherein preferably the calibration by means of a preferably optical
  • Position mark takes place on a component of the bending press or on a
  • the calibration of the (rear) stop can be done in the X-, R- and Z-direction by an optical reference (position marking) on the upper beam, on the tool clamp, inside the bending press or by a reference tool, so that an alignment of the (background) ) Stop by hand can be omitted if the stop was adjusted by improper use.
  • the workpiece to be bent is provided with a readable code, in which a reference to an associated bending program is included, and that after reading the code, preferably with the sensor device, the associated bending program is automatically loaded and / or processed in the control device.
  • a readable code in which a reference to an associated bending program is included, and that after reading the code, preferably with the sensor device, the associated bending program is automatically loaded and / or processed in the control device.
  • This can be a loading of the bending part associated bending program in the controller using a code on the bending part (bending or sheet metal blank) in which the associated bending program is encrypted, done automatically.
  • the code is applied, for example, with a laser on the bending part. The operator holds eg the sheet metal in front of the
  • Sensor device e.g. a camera
  • controller automatically loads the appropriate bending program.
  • the reading out of the code can also be done at
  • the sensor device is preferably a camera and the images or image sequences recorded with the camera are displayed on an operator interface. The transfer of the live camera image to the controller or the
  • Operator interface allows the operator to view the current situation within the press brake.
  • This embodiment allows, inter alia:
  • a monitoring of the engine room by the camera This can be used to monitor the approach speed of the stop to the table and thus to be able to proceed faster than previous bending presses.
  • the sensor device can also be used to measure the deflection of upper and lower cheeks. During the bending process upper and lower beam undergo a deflection, which can be compensated by crowning cylinder.
  • Crowning is calculated in the control based on theoretical values and will be calculated in the future using the real state recorded by the sensor device. As a result, a higher accuracy in the bent part can be achieved.
  • the sensor device can be designed to detect the (sheet) thickness of the inserted (sheet metal) workpiece. If the workpiece corresponds to the input data in the control device (machine control) or if the corresponding values are within the specified tolerance range, the bending process can be started or continued, otherwise the bending process can be interrupted or interrupted.
  • workpiece or bending part dimensions can be detected with the sensor device, thereby enabling improved operator guidance.
  • the subject method also includes the preparation of thermographic images of the bending press or of parts thereof. This is preferably done by means of at least one IR sensor or
  • At least one thermal imaging camera which can be arranged within the bending press.
  • the various heating conditions of the bending press e.g., tools, machine frame, etc.
  • the machine body expands under certain circumstances, which leads to shifts of important reference points and thus to poorer bending results.
  • Particularly critical is a not fully heated machine body, ie local temperature differences, as they can occur, for example, directly after switching on the press brake.
  • individual reference axes can compensate for the occurring displacements and thus ensure a constant bending quality.
  • Fig. 4 shows a detail of a bending press from the front, with upper and
  • FIG. 5 shows an upper tool, which is fixed in a tool holder
  • Tool holder 4 in which the upper tool 2 is inserted, and a
  • Tool holder 5 in which the lower tool 3 is inserted.
  • the length of the tool holders 4, 5 along the Z-axis, d. H. parallel to the bending line, is so large that a plurality of upper and lower tools 2, 3 next to each other in the tool holder 4, 5 can be used and fixed. This case is shown in Fig. 6, where two lower tools 3 sit in the tool holder 5.
  • the upper tool 2 and the lower tool 3 can be fixed in different positions within the respective tool holder 4, 5. Ie. the tools may be relative to the respective tool holder in the Z-axis direction
  • the bending press 1 has at least one stop 6 for positioning the workpiece 14 (FIG. 2) within the bending press 1, the stop 6 being actuated relative to the tools 2 by means of a drive 9 controlled by a control device 13 (shown in FIG. 8). 3 is movable.
  • This mobility relates in particular to a mobility along the Z-axis, but is also a movability into other - in particular perpendicular - spatial directions conceivable.
  • the embodiment of Fig. 1 shows two stops 6, which are independently movable.
  • the senor device 8 could be independent, e.g. B. sitting in its own holder, be moved from the backgauge.
  • the sensor device is preferably arranged in the region of the backgauge.
  • FIG. 8 shows a schematic representation of the functional relationships in a bending press 1 according to the invention, which also comprises a control device 13 for controlling the bending press 1.
  • the control device 13 controls
  • a further control line connects the control device 13 to the drive 9 for the stop 6.
  • the sensor device 8 is likewise connected to the control device 13, The control device 13 is now designed to function of the detected with the sensor device 8 position of the upper tool 2 and the
  • a travel zi is calculated in order to align the stop 6 with respect to the tools 2, 3.
  • the stop 6 does not necessarily - as shown - come to rest behind the tool, but there are also other positions relative to the tool depending on the bending plan conceivable.
  • a travel z 2 is calculated in order to align the stop 6 with respect to the tools.
  • the Anfahrkoordinaten the stop 6 are adapted to the respective position of the tool, so that a corresponding bending operation can be performed according to bending plan.
  • the adaptation or adaptation of the movement process can of course also relate to the movements of the stop fingers 7.
  • Step 20 loading the bending press with at least one upper tool and / or at least one lower tool, the / within the respective
  • Tool holder is / are fixed.
  • Step 23 Positioning of the at least one stop 6 in accordance with the adapted movement process by moving the stop 6 by means of a drive 9 controlled by the control device 13 relative to the stop
  • Step 24 Performing a Bending Process by Relative Procedure of Upper Tool 2 and / or Lower Tool 3.
  • Step 25 Replacement and / or addition of upper and / or lower tools and their fixation in the respective tool holder.
  • the position of the upper tool 2 and the position of the lower tool 3 arranged at the same height are preferably detected simultaneously.
  • the sensor device 8 can be moved to a position in which the
  • Detection range of the sensor device 8 includes both the upper tool 2 and the lower tool 3 at least partially.
  • FIGS. 5 and 6 show preferred variants of the invention, in which a scale 10 is applied to the respective tool holder 4, 5.
  • a scale could also be applied to the upper tool 2 and / or the lower tool 3.
  • the detection or detection of the position of the upper tool 2 and / or lower tool 3 can be done in this embodiment with the help of this scale 10.
  • the scale graduation extends parallel to the bending line.
  • the position of the upper tool 2 and / or lower tool 3 is detected by a contour recognition of the tool 2, 3 with corresponding image processing programs.
  • a two-dimensional code 11 in particular a data matrix code (from an arrangement of black and white rectangles within a field), is applied to the upper tool 2 and the lower tool 3.
  • the code 11 contains information about the tool 2, 3 used, in particular about the type and dimensions of the tool 2, 3.
  • a tool 2, 3 at the front and at the back of a tool 2, 3 each have a code 1 1 applied.
  • the tool 2, 3 also has a code 1 1 applied.
  • a reading of the code information can also be done by means of the sensor device 8. It can then be checked whether a tool meets given specifications or is compatible with the bending plan.
  • FIG. 9 shows an embodiment in which the sensor device 8 has two
  • Non-contact sensors with different spatial detection ranges includes.
  • the sensors are here optical sensors, in particular cameras.
  • the cameras form different areas along the bending line Z (also called the Z axis).
  • the detection ranges of the sensors can overlap.
  • the sensor device 8 may also comprise only one sensor or camera.
  • the images or image sequences recorded with the camera can be displayed on the user interface 27.
  • the operator interface 27 can be displayed when the position of the sensor detected by the sensor device 8 Upper tool 2 and / or lower tool 3 is not correct, especially if the tools 2, 3 are not aligned. On the basis of this information, which may already contain correction values, the operator is enabled to easily correct the position of the tools 2, 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

L'invention concerne une presse à plier (1) permettant le pliage de pièces. Cette presse est pourvue d'un outil supérieur (2) et d'un outil inférieur (3), d'un porte-outil (4) dans lequel l'outil supérieur (2) est inséré, et d'un porte-outil (5) dans lequel l'outil inférieur (3) est inséré, l'outil supérieur (2) et l'outil inférieur (3) pouvant être fixés dans différentes positions à l'intérieur du porte-outil (4, 5) respectif, d'un dispositif de commande (13) permettant de commander la presse à plier (1), d'un dispositif de détection (8) relié au dispositif de commande (13), et d'une butée (6) permettant le positionnement de la pièce à l'intérieur de la presse à plier (1), la butée (6) pouvant être déplacée par rapport aux outils (2, 3) au moyen d'un entraînement (9) commandé par le dispositif de commande (13). Le dispositif de détection (8) est destiné à détecter sans contact la position de l'outil supérieur (2) et de l'outil inférieur (3) à l'intérieur de la presse à plier (1) et le dispositif de commande (13) est réalisé pour adapter le mouvement permettant à la butée (6) d'être positionnée par rapport aux outils (2, 3), en fonction de la position de l'outil supérieur (2) et de l'outil inférieur (3) détectée par le dispositif de détection (8).
EP14780580.8A 2013-08-09 2014-08-05 Presse à plier Active EP3030359B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14780580.8A EP3030359B1 (fr) 2013-08-09 2014-08-05 Presse à plier

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13179819 2013-08-09
PCT/IB2014/063707 WO2015019285A1 (fr) 2013-08-09 2014-08-05 Presse à plier
EP14780580.8A EP3030359B1 (fr) 2013-08-09 2014-08-05 Presse à plier

Publications (2)

Publication Number Publication Date
EP3030359A1 true EP3030359A1 (fr) 2016-06-15
EP3030359B1 EP3030359B1 (fr) 2020-06-17

Family

ID=48948317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14780580.8A Active EP3030359B1 (fr) 2013-08-09 2014-08-05 Presse à plier

Country Status (5)

Country Link
US (1) US10189068B2 (fr)
EP (1) EP3030359B1 (fr)
JP (1) JP6517203B2 (fr)
CN (1) CN105451905B (fr)
WO (1) WO2015019285A1 (fr)

Cited By (1)

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CN113646104A (zh) * 2019-02-21 2021-11-12 布莱奇-泰克有限公司 用于枢转弯折和冲压弯折工件的组合机

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* Cited by examiner, † Cited by third party
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JP2016530102A (ja) 2016-09-29
JP6517203B2 (ja) 2019-05-22
EP3030359B1 (fr) 2020-06-17
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