EP3785336B1 - Werkzeugwechsler, bearbeitungsmaschine, verfahren zum wechseln eines werkzeugs - Google Patents

Werkzeugwechsler, bearbeitungsmaschine, verfahren zum wechseln eines werkzeugs Download PDF

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Publication number
EP3785336B1
EP3785336B1 EP18723069.3A EP18723069A EP3785336B1 EP 3785336 B1 EP3785336 B1 EP 3785336B1 EP 18723069 A EP18723069 A EP 18723069A EP 3785336 B1 EP3785336 B1 EP 3785336B1
Authority
EP
European Patent Office
Prior art keywords
tool
changer
tool changer
pivot arm
station
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
EP18723069.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3785336A1 (de
Inventor
Roland Kampmann
Uwe Keil
Michal MIARKA
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.)
Schleuniger AG
Original Assignee
Schleuniger 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 Schleuniger AG filed Critical Schleuniger AG
Publication of EP3785336A1 publication Critical patent/EP3785336A1/de
Application granted granted Critical
Publication of EP3785336B1 publication Critical patent/EP3785336B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/058—Crimping mandrels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes
    • H01R43/055—Crimping apparatus or processes with contact member feeding mechanism

Definitions

  • the present application relates to a tool changer, a processing machine and a method for changing a tool according to the independent claims.
  • the DE 20 2006 020 927 U1 discloses a processing machine, namely a crimping press for different crimping and pressing processes.
  • a processing machine namely a crimping press for different crimping and pressing processes.
  • different crimping tools can be used, in other words, the crimping press of the DE 20 206 020 927 U1 can be converted for several different crimping processes.
  • the crimping tool and an associated contact coil and an associated paper strip winder must be replaced.
  • This process is described in detail in the aforementioned publication.
  • the conversion process can be simplified, but replacing the respective assemblies requires a not inconsiderable amount of effort.
  • the crimping tool exchange device EP 3 240 123 A1 is designed in such a way that it has two exchange locations for holding a crimping tool in each case.
  • the respective crimping tools can be moved from these exchange locations into a process position along a first direction of movement.
  • a corresponding guide device is provided for moving the crimping tool.
  • the disadvantage of this device is that it is not possible to convert the machine properly; the tools arranged in the crimping tool exchange device can only be used alternately.
  • the crimping tool exchange device EP 3 240 123 A1 is also complicated in the Manufacturing and complicated in the alignment of the individual elements to each other.
  • EP 1 341 269 shows a crimping press for producing a crimped connection, in which a tool table is provided with more than one tool station, each of which has the crimping tool and a supply of crimp contacts. Each tool station can be fed individually to the crimping press with a non-linear movement and can be operated individually by means of the crimping press.
  • WO 2016/136930 it is proposed to use a two-part tool in a crimping machine, with part of the tool being able to be pneumatically oriented and fixed on an adjustment head.
  • EP 2 738 886 shows an arrangement for producing a crimp connection, in which a supply unit can be docked in two docking positions with the crimp press station.
  • a tool changer for a processing machine and/or a method for changing a tool of a processing machine is to be made available, which simplifies the changing of a tool, in particular a crimping tool.
  • One or more disadvantages of the prior art are preferably overcome by a processing machine comprising such a tool changer.
  • a tool changer according to the invention for a processing machine preferably for a cable processing machine and in particular for a crimping press, comprises a tool table with at least two tool stations for holding a tool, in particular in a detachable manner, in particular a crimping tool.
  • the tool table preferably includes exactly two tool positions.
  • the tool changer has a swivel arm, which can be fastened to the processing machine, for swiveling the tool table.
  • the detachable mount allows the tool to be easily replaced.
  • the swivel arm enables the tool table to be moved along a defined path, preferably a circular path.
  • the tool table of the tool changer can thus assume at least two positions defined along a travel path.
  • the tool table is rotatably arranged on the swivel arm.
  • the tool table is preferably arranged on a pivot which forms the axis of rotation of the tool table and which is arranged on the swivel arm.
  • the tool positions are preferably arranged centrally symmetrically around the pivot or around the axis of rotation.
  • the tool table can have one contact coil station for receiving a contact coil.
  • the tool table has a paper strip winder for winding up paper strips for each tool station.
  • each paper strip winder has a separate drive.
  • none of the paper strip winders can have a drive, but for a separate drive to be provided.
  • the separate drive can be designed, for example, as part of the processing machine.
  • the separate drive can in particular be designed and arranged in such a way that it engages with a corresponding device of the paper winder as soon as the tool changer has a corresponding position relative to the processing machine, in particular is pivoted into a working position.
  • the guide plate is preferably designed in such a way that it guides a contact strip around the swivel arm when the tool changer is in the working position.
  • the tool changer on the tool table has a protective sheet for each tool station, in particular a sheet metal trough to protect the contact coils.
  • the protective plate can be arranged at the respective contact coil location.
  • the tool changer with two or more tool positions and correspondingly the same number of contact coil positions and/or paper strip winders and/or guide plates and/or protective plates, these are preferably arranged centrally symmetrically around an axis of rotation, and in this case in particular around the pivot of the tool table.
  • each tool station is assigned a quick-release device for fastening the tool.
  • the quick-action clamping device can have a retaining claw.
  • the quick-release device preferably has an actuating lever for actuating the retaining claw.
  • the retaining claw can have at least one spring for prestressing the retaining claw.
  • a retaining claw enables a tool to be reliably fastened to the tool table and in particular to the tool station.
  • the actuating lever enables simple actuation, that is, simple loosening and fastening of the retaining claw.
  • a spring for preloading the retaining claw and/or the actuating lever secures them against unintentional opening or loosening.
  • the lever can be operated manually. However, it is also conceivable that the lever is actuated pneumatically or hydraulically or that the holding claw has a hydraulic or pneumatic actuating device directly.
  • the tool changer has a first end stop on the tool table. This interacts with a first counterpart on the swivel arm in such a way that the tool table assumes a first position that is defined relative to the swivel arm.
  • the tool changer can have a second end stop on the tool table, which interacts with the first counterpart or a second counterpart on the swivel arm in such a way that the tool table assumes a second position that is defined relative to the swivel arm.
  • the first counterpart and the second counterpart are preferably designed in one piece.
  • the end stops are preferably arranged in such a way that the tool table can assume a position that can be reversed by 180°.
  • first and/or the second end stop is arranged on the pivot of the tool table.
  • the tool changer preferably has a locking device for locking the tool table in place.
  • the locking device is preferably arranged on, in particular in, the swivel arm.
  • the locking of the tool table is preferably dependent on a position of the swivel arm.
  • An arrangement of the locking device on or in the swivel arm enables a compact design of the locking device.
  • the first and/or second counterpart is designed to interact with the first and/or second end stop as a component part of the locking device and in particular forms a component part of the locking device.
  • the swivel arm can have a mounting base for mounting the tool changer on the processing machine.
  • the pivot arm is preferably pivotally connected to the mounting base.
  • a pivot pin may be provided to connect the pivot arm to the mounting base.
  • the mounting base allows easy conversion or upgrading of an existing processing machine.
  • the swiveling connection of the swivel arm to the mounting base makes it possible to provide a simple interface to the processing machine, which can be designed as a rigid connection and does not have any other functionalities must have.
  • a pivot bolt allows the swivel arm to be easily connected to the mounting base and these elements to be swiveled in relation to one another.
  • the locking device interacts with the mounting base in such a way that releasing the locking of the tool table is dependent on a pivoting angle between the mounting base and the pivot arm.
  • the locking device is actuated by the fastening base and thus the locking is released in the changing position and the turning of the tool table is only possible in this changing position.
  • the locking device is actuated by the mounting base in such a way that the locking is released from a certain angle of the swivel arm relative to the mounting base.
  • the mounting base can have an actuating bolt.
  • the locking device is preferably designed as a push rod, which is arranged on or in the swivel arm and interacts with the actuating bolt on the fastening base, and in particular is linearly displaced along the swivel arm by the actuating bolt.
  • the counterpart which is preferably arranged on the front side of the locking device, can be moved from a first position into a second position. In the first position, the counterpart interacts with an end stop on the pivot pin, in the second position the counterpart releases the end stop so that the pivot pin can rotate freely.
  • the tool table can be rotated relative to the swivel arm.
  • the swivel arm for swiveling the tool table can be swiveled into at least one operating position and one changing position.
  • the tool changer can have an end position stop for the operating position and/or for the changing position.
  • the operating position is the position that corresponds to the position in which the tool changer is in the pivoted-in position and the processing machine is in operation or can be operated.
  • the changing position is the position in which the tool changer is swiveled out and in particular the tool table can be rotated.
  • the tool changer can have a position clamping device for locking the swivel arm in at least the operating position and/or the changing position.
  • the swivel arm is secured against unintentional swiveling.
  • the swivel arm is secured in the working position both in relation to a swivel angle and in relation to a working height.
  • the position clamping device has a retaining link for locking the tool changer in the operating position.
  • the retaining link is preferably arranged or can be arranged on the processing machine. Additionally or alternatively, the position clamping device for the operating position can have an end position stop.
  • the retaining link enables the tool changer to be locked in place with precise positioning. In particular, both the height of the tool changer and a pivoting angle of the tool changer can be specified.
  • the holding link is arranged on the processing machine, this enables the tool changer to be held precisely on the processing machine.
  • An end stop also enables the tool changer to be precisely positioned in relation to the processing machine.
  • the position clamping device can be actuated manually or have pneumatic or hydraulic support.
  • a clamping bolt is preferably released against a spring force by means of a compressed air button.
  • pneumatic or hydraulic systems are already provided, which makes it easier to implement a corresponding device.
  • a further aspect of the present invention relates to a processing machine, in particular a cable processing machine, preferably a crimping press.
  • the processing machine comprises at least one, preferably two, tool changers.
  • the tool changer or tool changers are preferably tool changers as described here.
  • the tool changer includes a swivel arm for swiveling a tool table.
  • the swivel arm is pivotably arranged on the processing machine.
  • the swiveling swivel arm also enables the tool table to be moved along a defined path, preferably a circular path.
  • the tool table of the tool changer can thus occupy at least two positions defined along a travel path.
  • the processing machine can include a protective hood.
  • a tool table can be arranged on the swivel arm of the tool changer, with the tool table having at least two tool locations.
  • at least one tool station is arranged inside the protective hood and one tool station is arranged outside of the protective hood.
  • the tool in order to operate the tool, for example in the case of a crimping press, it is lifted off the tool table and is in operative connection with the crimping press. However, the corresponding contact coils and/or paper winders are still on the tool table.
  • the crimping press is equipped with a corresponding clamping device for the tool. The crimping press is then set up and ready for operation.
  • a tool assigned to this tool station can be actuated, with the second tool, which is arranged outside the protective hood, remaining accessible.
  • a contact spool located in a contact spool slot on the tool table.
  • a tool located on the corresponding tool station is removed.
  • a quick-action clamping device can be released.
  • a new contact coil can be placed at the contact coil location.
  • a new tool can also be arranged at the tool station.
  • At least one or more limit switches can be provided on the processing machine as described here.
  • the limit switch or switches are provided for monitoring at least one of the parameters from the following group: position of the swivel arm, position of the protective hood, position of the tool, status of the position clamping device, occupancy of the tool station.
  • the status of the processing machine and/or the tool changer can be monitored using appropriate limit switches.
  • a limit switch can be provided that monitors the position of the swivel arm. If, for example, the swivel arm is in a changing position, that is to say swiveled out from the machine tool, the machine tool cannot be started. At best, by monitoring this limit switch, a maintenance or change mode can also be initiated, which only allows a few specific manipulations of the processing machine. All signals from the limit switches can be transferred to a corresponding machine control, which evaluates the signals and enables or disables corresponding functions and/or generates error messages that are passed on to a user or to a further control.
  • a further aspect of the present invention relates to a method for changing a tool of a processing machine, in particular on a processing machine as described here.
  • the method relates to changing a tool Cable processing machine, preferably a crimping press.
  • the processing machine includes a tool changer, which includes a tool table and a swivel arm for swiveling the tool table.
  • the processing machine includes in particular a tool changer as described here. To change the tool, the tool table is rotated from a first position to a second position. The tool changer is pivoted from a working position to a changing position before the tool table is rotated.
  • Pivoting the tool changer allows a tool located on the tool changer to be moved from a working position to a changing position.
  • a tool table can be pivoted out of the immediate area of influence of the processing machine, so that the tool changer becomes accessible.
  • the pivoting arm of the tool changer is preferably attached to the processing machine, in particular with a fastening base. This enables the tool changer to be swiveled precisely and with pinpoint accuracy, as described here.
  • a protective hood of the processing machine is preferably opened before the tool changer is pivoted.
  • the processing machine can be switched off by opening the protective hood.
  • a position clamping device can be provided for locking the swivel arm. It can be provided that only the release by opening the protective hood Position clamping device is active and this can be actuated so that a locking or locking of the tool changer in a specific position, present in a working position, can be released.
  • a tool is preferably arranged at a tool station of the tool table before the tool changer is pivoted. This can take place, for example, in advance during ongoing operation, as described here.
  • a contact strip is first removed from the crimping tool to convert the tool, which is located outside the protective hood when the processing machine is in operation. Then the contact coil is taken out of the contact coil place. A paper strip spool is also removed from the paper winder. An actuating lever of a quick-clamping device is then actuated and the tool is removed from the tool changer. The tool location outside the protective hood is then empty. A new tool can thus be arranged on the tool changer from this point in time. For this purpose, the quick-clamping device is also actuated and the tool is placed on the tool changer, in this case on the corresponding tool station.
  • the paper spool corresponding to this tool and the corresponding contact spool are used in the corresponding paper winder or contact spool location.
  • the tool changer is thus ready to carry out the method described here for changing a tool. All you have to do is open the protective hood of the processing machine, swivel the tool changer out of the machining area, then rotate the tool table by 180°, swivel the tool changer back into the working position and close the protective hood. It can be provided that before the protective hood is closed, the tool is inserted and/or clamped, for example, in a plunger receptacle or a holder of the crimping press. For this purpose, the tool using the Quick release device detached from the tool table.
  • a corresponding clamping device can be provided on the crimping press. This process can be done manually. However, it is also conceivable, for example, for the tool to be pushed directly into the ram receptacle or a holder of the crimping press when the tool table is pivoted back.
  • the crimping press and the corresponding tool inside the crimping press is detached from the tool table as described here, it is necessary to first release the tool from the clamping device of the crimping press after the end of operation with the protective hood open and before rotating the tool table, then place it on the tool table of the Reset the tool changer and clamp it there using the quick-action clamping device. The tool changer can then be swung out. Depending on the design of the tool changer, a lock, for example a position clamping device, must be released at the appropriate point.
  • a crimping press as described herein has two sides. It is therefore conceivable that a second or further tool changer is arranged essentially centrally symmetrically with a first tool changer on the crimping press.
  • the Figure 1A shows a processing machine 100, which is presently designed as a crimping press.
  • the processing machine 100 has, in addition to other components, a first tool changer 1 and a second tool changer 1'.
  • the processing machine 100 also has a protective hood 101 . This can be moved in the direction of arrow P3.
  • the Figure 1B shows the processing machine 100 from FIG Figure 1A in a top view.
  • the tool changers 1, 1' are arranged essentially centrally symmetrically on the machine tool 100.
  • the tool changers 1, 1' are arranged in such a way that one tool location is inside the protective hood 101 and one tool location is outside of the protective hood 101 (see Fig Figures 8A to 8D and their description).
  • the figure 2 shows a tool changer 1 in a perspective view.
  • the tool changer 1 has a tool table 10 .
  • the tool table 10 is rotatably mounted on a swivel arm 20 .
  • the swivel arm 20 is attached to a mounting base 24 (see figure 3 ) pivoted.
  • the tool changer 1 has a position clamping device 30, the function of which will be referred to later figure 7 is explained.
  • the tool table 10 has two tool stations 11, 11'.
  • a tool 50, 50' is arranged at the respective tool positions 11, 11'.
  • the tool table 10 has a contact coil space 12, 12' and a paper winder 13, 13' for each tool 50, 50'.
  • a corresponding contact coil 121, 121' is arranged in each contact coil location 12, 12'.
  • Each contact coil location 12, 12' has a protective plate 122, 122' on.
  • the protective plates 122, 122' prevent unintentional contact of a contact strip located on the respective contact coil 121, 121', for example with the floor.
  • Above the respective contact coil location 12, 12' is a guide plate group with guide plates 123, 123' for guiding the contact strip into the respective tool 50, 50'.
  • the tools 50, 50' are equipped with a quick-action clamping device 14 (see figure 9 ) attached to the respective tool station 11, 11'.
  • the guide plates 123, 123' are designed and arranged in such a way that they extend around the swivel arm 20, which means that a contact strip is routed around the swivel arm 20 or around a corresponding extension of the swivel arm 20.
  • the baffles 123, 123' are offset relative to a longitudinal extension of the pivot arm 20. Since the guide plates 123, 123' extend from a level below the swivel arm 20 to a level above the swivel arm 20, this configuration of the guide plates 123, 123' enables the tool table 10 to be rotated alternately by +/-180°.
  • the figure 3 shows the tool changer 1 from FIG figure 2 in a top view.
  • the tool stations 11, 11' are on the tool table 10 centrally symmetrical about a pivot pin 17 (see figure 5 ) arranged.
  • the tool table 10 is connected to the swivel arm 20 via a pivot pin 25 to the mounting base 24 and is thus pivotably mounted on the mounting base 24 .
  • the mounting base 24 is at the appropriate point with the processing machine 100 (see figure 1 ) tied together.
  • the tool changer 1 is thus pivotably mounted on the processing machine 100 .
  • figure 4 shows a side view of the tool changer 1 from FIG figure 3 in the direction of the arrow X (see figure 3 ), wherein the tool changer 1 is shown in its operating position.
  • the swivel arm 20 extends in a substantially horizontal position between the mounting base 24 and the tool table 10.
  • the figure 5 shows the view according to the figure 3 in a partially cut view.
  • the cut representation extends to section AA according to FIG figure 4 .
  • the locking device 23 is located within the swivel arm 20 and extends through the swivel arm 20 .
  • the locking device 23 is designed as a push rod.
  • This push rod has two front ends, one of the front ends having a head which is designed as a counterpart 21 , 22 .
  • the counterpart 21, 22 is in the representation according to figure 5 in contact with a first stop 15 formed on the pivot pin 17.
  • the first stop 15 is designed here as a milled portion on the pivot pin 17 and has a flat surface.
  • the counterpart 21, 22 also has a flat surface.
  • the locking device 23 is by means of an unspecified spring, which is present in a recess of the locking device 23 in which in the figure 5 shown position held. This prevents the tool table 10 from being unintentionally unlocked.
  • the figure 6 shows a detailed view from the figure 5 in a to figure 5 twisted position of the arm 20.
  • the arm 20 is in the figure 6 pivoted relative to the mounting base 24 along the arrow P2.
  • An actuating bolt 26 is arranged inside the mounting base 24 and has a position that cannot be changed relative to the mounting base 24 .
  • the locking device 23 is in contact with the actuating bolt 26 with its front end opposite the counterpart 21, 22. Since the locking device 23, i.e. the front end which is in contact with the actuating bolt 26, is arranged eccentrically to the pivot bolt 25 , the locking device 23 is moved by the pivoting of the pivot arm 20 relative to the pivot arm 20 in the direction of arrow P1.
  • the compression spring in the recess of the locking device 23 pressed together.
  • the head at the second front end of the locking device 23 with the counterpart 21, 22 moves relative to the swivel arm 20 and releases the first end stop 15.
  • the pivot pin 17 and thus the tool table 10 can thus be rotated counterclockwise in this case.
  • the tool table 10 can be rotated through 180° so that the second end stop 16 is in the position of the in figure 6 shown first end stop 15 occurs.
  • the counterpart 21, 22 can thus be brought into engagement with the second end stop 16 by pivoting the pivot arm 20 back in the opposite direction to the arrow P2.
  • the tool table 10 is in a to the in figure 5 position shown rotated by 180°.
  • a first end position stop 40 can be provided, for example, in the area of the fastening base 24 .
  • a second limit stop 41 for defining the working position can also be provided. Both limit stops 40, 41 each have a limit switch 42. This enables the respective position to be transmitted to the control of the processing machine, for example. However, these limit stops 40, 41 for defining the working position and/or the changing position represent only one of the possible alternatives or combinations. A second alternative is described below with reference to FIG figure 7 explained.
  • the figure 7 shows a detailed side view in the direction of the arrow Y from FIG figure 4 .
  • the view according to figure 7 is partially up to the cutting line BB according to the figure 3 sliced open
  • the pivot pin 17, which is connected to the tool table 10 is visible.
  • the two tool stations 11, 11' can be rotated about a corresponding axis of rotation of the pivot bolt 17.
  • the position clamping device 30 is also arranged on the tool table 10.
  • the position clamping device 30 has two handles 31, 31'.
  • the Position clamping device 30 is also constructed centrally symmetrically. For the sake of clarity, only one half of the position clamping device 30 is provided with reference numbers and is explained below.
  • On the handle 31 there is an unspecified compressed air button.
  • a clamping bolt 32 is actuated, that is, released against a spring force.
  • an engaging member 321 is moved upward.
  • the engagement element 321 is designed to be essentially complementary to a retaining link 33 .
  • the retaining link 33 is present at a in the figure 7 dashed console of the processing machine 100 (see figure 1 ).
  • An end position stop 36 is also formed on the retaining link 33 .
  • One or more cylindrical pins 34 which are arranged on the tool table 10, is in contact with the end stop 36 in the working position.
  • a combination of the end stops 40th 41, in particular the execution of the figure 6 , As well as the position clamping device 30 according to figure 7 is also possible.
  • the drive motor 60 for driving the paper winder 13 is also shown.
  • the drive motor 60 is also arranged on the console of the processing machine 100 shown in dashed lines. As soon as the tool changer 1 is in the working position, the unspecified gear wheel of the paper winder 13 engages in the drive motor. Thus, in the in figure 7 shown position of the paper winder 13 are driven.
  • the tool table 10 After pivoting and rotating the tool table 10 (as with reference to FIG figure 6 described), the tool table 10 is rotated by 180°. Then he gets in figure 7 paper winder designated 13' into the drive motor 60 and is driven accordingly.
  • FIGS. 8A - 8D show detailed views according to detail C from FIG Figure 1B to illustrate the tool change process.
  • the Figure 8A shows the tool changer 1 in a working position.
  • a tool 50 is arranged inside the protective hood 101, a tool 50' is arranged outside the protective hood.
  • the tool 50 is located in Figure 8A on the tool station 11, clamped with the quick clamping device 14 (see figure 9 ).
  • This means that the tool 50 has already been released from a clamping device and/or holder of the crimping press and is held on the tool table by means of the quick-action clamping device 14 .
  • Both tools 50, 50' are thus arranged on the tool table 10 of the tool changer 1.
  • the tool 50' was moved to the corresponding tool station 11' while the processing machine was in operation (see figure 2 ) arranged.
  • the first step is to open the protective hood 101 in the direction of the arrow P3 (see Figure 1A ) emotional.
  • the processing machine 100 is thus secured against being switched on again by appropriate monitoring.
  • the tool changer 1 is accessible by moving the protective hood 101 . If the tool changer 1 is equipped with a position clamping device 30 (see figure 7 ) is equipped, it is unlocked in a first step. In the next step, the tool table 10, which is arranged on the swivel arm 20, is swiveled together with the swivel arm 20 in the direction of the arrow P2
  • the Figure 8B shows the tool changer 1 in its pivoted position, namely in the changing position.
  • the locking of the tool table 10 is released (see the Figures 5 and 6 and their description).
  • the tool table together with the tools 50, 50' located on it can be rotated relative to the swivel arm 20 (see the Figure 8C ).
  • the Figure 8C shows the tool changer 1 during the twisting process in an intermediate position.
  • the tool changer 1 is turned counterclockwise in the direction of the arrow.
  • the Figure 8D shows the tool changer 1 after the turning process of the tool table 10.
  • the in Figure 8D position shown corresponds to that shown the Figure 8B but with the difference that tools 50 and 50' have changed places.
  • the tool changer 1 in the position according to Figure 8A be panned.
  • the tool 50' is positioned according to FIG Figure 8D lifted from the tool table 10 and inserted into a corresponding holder and/or clamping device and/or ram receptacle of the crimping press.
  • the contact coil 121, 121' and the paper winder 13, 13' remain essentially unchanged.
  • the protective hood 101 can then be removed in the opposite direction to the arrow P3 (see Figure 1A ) can be moved.
  • the tool 50' is now located within the protective hood 101 and the tool 50 can be exchanged accordingly.
  • the tool 50 is exchanged by opening the quick-action clamping device 14 (see figure 9 ) as well as by replacing the relative contact coils and the relative paper winders.
  • the figure 9 shows the view according to detail D figure 2 .
  • a tool 50 is arranged at tool station 11 .
  • the tool 50 is held by the quick release device 14 .
  • the quick-release device 14 has a holding claw 141 which is actuated by the actuating lever 142 .
  • the actuating lever 142 is biased by a spring, not shown here, such that it is in the figure 9 occupies the position shown permanently, even if no tool 50 is clamped at the tool station 11 .
  • the retaining claw 141 is released and in the view according to FIG figure 9 moved forward to the left. This allows the tool 50 to be removed from the tool station 11 .
EP18723069.3A 2018-04-24 2018-04-24 Werkzeugwechsler, bearbeitungsmaschine, verfahren zum wechseln eines werkzeugs Active EP3785336B1 (de)

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US (1) US20210075177A1 (zh)
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WO (1) WO2019207343A1 (zh)

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WO2019207343A1 (de) 2019-10-31
CN112106264A (zh) 2020-12-18
US20210075177A1 (en) 2021-03-11
EP3785336A1 (de) 2021-03-03
JP2021522652A (ja) 2021-08-30
CN112106264B (zh) 2023-03-24
JP7085643B2 (ja) 2022-06-16

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