EP3318397B1 - Förderverfahren einer last, insbesondere eines pressinstruments, entsprechende fördervorrichtung und presse, die mit einer solchen vorrichtung ausgestattet ist - Google Patents

Förderverfahren einer last, insbesondere eines pressinstruments, entsprechende fördervorrichtung und presse, die mit einer solchen vorrichtung ausgestattet ist Download PDF

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Publication number
EP3318397B1
EP3318397B1 EP17197951.1A EP17197951A EP3318397B1 EP 3318397 B1 EP3318397 B1 EP 3318397B1 EP 17197951 A EP17197951 A EP 17197951A EP 3318397 B1 EP3318397 B1 EP 3318397B1
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EP
European Patent Office
Prior art keywords
tool
press
handling device
transfer
press table
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EP17197951.1A
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English (en)
French (fr)
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EP3318397A1 (de
Inventor
Marc Gelinotte
Julien Marcelli
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Dimeco SAS
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Dimeco SAS
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Priority to PL17197951T priority Critical patent/PL3318397T3/pl
Publication of EP3318397A1 publication Critical patent/EP3318397A1/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B30B15/028—Loading or unloading of dies, platens or press rams
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/085—Accessories for handling work or tools handling of tools

Definitions

  • the present invention relates to a method of handling a load, in particular of a tool on a press, said press comprising a frame provided with lateral columns, and a press table situated between said lateral columns, providing on both sides from the press table a free gap passing through, said press table defining a transfer plane and being arranged to receive said tool in a working position, said press being equipped with a handling device arranged to move said tool by pushing and traction in said transfer plane between a waiting position and a working position, this handling device comprising two transfer mechanisms each provided with hooking members intended to cooperate with complementary receiving members provided on said tool, and drive means coupled to said latching members to move them in translation in said transfer plane t selectively in one direction and in the opposite direction between two extreme positions covering at least the standby position and the working position of said tool, said means for driving the two transfer mechanisms being coupled to operate synchronously.
  • the invention relates to a press equipped with a handling device allowing the implementation of the above handling process, a handling device arranged to equip said press, as well as a press tool comprising a sole provided with at least two parallel lateral edges arranged to be able to operate with said handling device.
  • Press tools used for cutting, stamping, etc. are usually deposited on a press and then taken up from said press by conventional handling means, such as an overhead crane, forklift or the like. They are generally placed on standby on one or more tool holder supports arranged in front of the press table, and are transferred from the tool holder to the press table and vice versa by pushing and pulling in a transfer plane by means of a specific handling device external or integrated into the press.
  • Tool holders are commonly called tool consoles. They are used in pairs, arranged in parallel, and made up of mechanical parts in the form of a square defining the transfer plane, generally horizontal, on which the tool is stored. To facilitate the movement of the tool relative to the tool holder consoles, the latter comprise rolling means in said transfer plane, these rolling means generally comprising cylindrical rollers to guarantee a displacement of the tool parallel to it- even.
  • the tool holder consoles can be fixed, adjoining the press table and bolted to the press frame. They can also be mobile, on board trolleys, which run on rails on the ground in order to be able to move the tool-holder consoles in translation perpendicular to the press table.
  • the push and pull handling devices are associated either with the tool holder consoles or with the press, to carry out the tool change. They consist in removing the working tool from the press table and depositing a new standby tool there. They can be installed on one side of the press opposite the tool holders or on the side containing the tool holders. Most handling devices have the disadvantage of blocking access to at least one side of the press, or even to both sides of the press, due to the space occupied by the handling device and the tool-holder consoles. the tool development operations considerably. In addition, when changing tools, either to change production, or to replace a defective tool, the press is immobilized and production is interrupted. Indeed, known handling devices do not allow to work in hidden time, that is to say to load a tool for the next production, without interrupting the production of the press with the tool in work.
  • the publications JP 58 053 334 and EP 468 855 A1 propose a solution in which the handling device is installed in a fixed position in front of the press on the side opposite to a mobile tool table perpendicular to the press. In addition to blocking access from both sides of the press, this handling device requires equipping the press during its construction with specific rails mounted inside the press table to allow the circulation of the coupling members for temporarily link the handling device to the tool.
  • EP 468 855 A1 describes in particular a press tool according to the preamble of claim 18.
  • the publication DE 34 33 566 A1 describes a press tool handling system according to the preamble of claim 7 comprising two transfer mechanisms housed in longitudinal grooves crossing the press table right through so as to be able to extend well beyond the press table in complementary grooves of a tool changer carriage adjacent to the press.
  • This system also requires lifting means to raise and lower the tool relative to the press table, the raised position allowing the change of tools.
  • the publication GB 1,418,250 describes a press tool handling system comprising two transfer mechanisms housed in grooves longitudinal provided in the press table, and bearing rollers arranged opposite rolling rollers provided in a console adjacent to the press table. Each transfer mechanism is movable vertically by a piston between a raised position above the level of the press table allowing the tool change and a lowered position below the level of the press table.
  • the present invention aims to overcome the drawbacks of the state of the art by proposing a compact and versatile handling device, designed to minimize the trajectories of the tools and therefore the tool change times, making it possible to work in masked time.
  • a compact and versatile handling device designed to minimize the trajectories of the tools and therefore the tool change times, making it possible to work in masked time.
  • the invention relates to a handling method according to claim 1.
  • One of the sides of the press table can be equipped with a pair of tool consoles and control said handling device to move a tool from a standby position on the pair of tool consoles to a position of work on the press table and vice versa.
  • said tool is fitted with a receiving member on each of its lateral sides.
  • each transfer mechanism may include a movable drive finger along an axis perpendicular to said transfer plane, projecting into said transfer plane and intended to be housed in an orifice 'a sole of said tool forming said complementary receiving member.
  • each transfer mechanism may comprise a drive finger pivoting between an unlocked position in which it is not engaged with the receiving member of said tool and a position locked in which it is engaged with the receiving member of said tool
  • said receiving members may each comprise a laterally open orifice provided in a sole of said tool and arranged to receive the drive finger of one of the transfer mechanisms when in the locked position.
  • Said drive means of each transfer mechanism may comprise a mechanical transmission coupled on the one hand to said movable carriage and on the other hand to a rotary actuator, said mechanical transmission being arranged to transform the rotational movement of said rotary actuator into a movement of translation of said mobile carriage.
  • Said drive means may include an actuator common to the two transfer mechanisms.
  • the mechanical transmissions of the two transfer mechanisms are linked together by a connecting shaft.
  • They can also include two actuators, each coupled to a mechanical transmission of one of the transfer mechanisms.
  • said actuators are slaved to each other to operate synchronously.
  • each transfer mechanism may include a drive finger extending in said movable carriage along an axis perpendicular to said transfer plane, projecting into said transfer plane and intended to be housed in an orifice or a recess in the sole of said tool forming said complementary receiving member.
  • the handling device can comprise at least two specific receiving members, separate from said transfer mechanisms, each provided with an orifice for receiving a drive finger, and intended to be attached to the sole of said tool.
  • the drive finger can be fixed or mounted movable in axial translation in said movable carriage. In this case, it is secured by a return member in its projecting position in the transfer plane when it is at rest, and authorizing its retraction in a retracted position relative to said transfer plane when it is constrained by a support. outside opposing said return member.
  • each transfer mechanism may comprise a drive finger mounted to pivot in said movable carriage around a pivot axis, secured by a control system between an unlocked position in which it is not engaged with the receiving member of said tool and a locked position in which it is engaged with the receiving member of said tool.
  • control system advantageously comprises a return member arranged to automatically recall said drive finger from the unlocked position to the locked position and an unlocking handle arranged to move said drive finger from its locked position to a unlocked position.
  • the drive finger can be mounted on a lever integral with said unlocking handle, and said return member extends between said lever and the movable carriage.
  • the control system may further include an indexing finger arranged to lock said unlocking handle in the unlocked position.
  • the invention relates to a press tool according to claim 18.
  • said sole may comprise in each of its two lateral edges at least one through orifice arranged to receive the drive finger of one of the transfer mechanisms of said handling device.
  • the receiving members can be attached to the lateral edges of the sole of said tool and each comprise a plate provided with a through hole arranged to receive the drive finger of one of the transfer mechanisms of said handling device.
  • said sole may include in each of its two lateral edges two orifices open laterally, in the end zones of said lateral edge, and arranged to selectively receive the drive finger of one of the transfer mechanisms of said handling device.
  • said receiving members can be attached to the lateral edges of the sole of said tool and comprise two plates provided with an orifice open laterally, in the end zones of each lateral edge, and arranged to receive selectively the drive finger of one of the transfer mechanisms of said handling device.
  • the handling device 10, 20 allows the handling of a load, such as a tool 2, by linear displacement of the tool 2 in a transfer plane T by pushing and pulling. It is commonly called a rickshaw device.
  • This handling device 10, 20 is more particularly designed to be integrated in a machine tool, such as a press 1.
  • the use of the handling device of the invention in a press 1 for loading and unloading the tools 2, with reference to the figures, is however not limiting and extends to any other machine tool requiring the movement of a load, a tool, a metal mass, etc. To simplify the rest of the description, we will speak of press 1 and tool 2, without these terms being limiting.
  • the press 1 comprises a frame 4 provided with uprights or lateral columns 6, and a press table 5 situated between the lateral columns 6, providing a free interval I on either side of the press table crossing.
  • the press 1 is only partially shown to simplify the drawings.
  • the press table 5 is shown with only part of the frame 4 and columns 6 for viewing the two intervals I, delimited between the parallel lateral edges of the press table 5 and the side columns 6.
  • the press table 5 comprises two transverse edges, mutually parallel, defining the so-called accessible sides of the press 1, which are perpendicular to the lateral columns 6 and allow access to the press table 5 for loading and unloading a tool 2.
  • the press table 5 is flat and defines a transfer plane T in which a tool 2 is moved by a handling device 10, 20, such as that of the invention, between a standby position outside and near the press table 5 at least one of its accessible sides, and a working position on the press table 5 and vice versa.
  • the press 1 is equipped on one and / or the other of its accessible sides with a pair of tool holder consoles 7 defining the standby position of said tool 2.
  • the tool holder consoles 7 are , in the examples illustrated, fixed to the frame 4 of the press 1, and constitute known mechanical elements which will not be described in more detail.
  • the plane defined by the pair of tool holder consoles 7 is arranged in the extension of the plane defined by the press table 5 together forming said transfer plane T.
  • the tool 2 is generally supported by a sole 3 whose surface is greater than that of tool 2, which is used to handle tool 2 and to fix it securely on the press table 5.
  • the press 1 is therefore equipped with a handling device 10, 20 which will make it possible to move the tool 2 by pushing and pulling in the transfer plane T between a waiting position and a working position.
  • This handling device 10, 20 is particularly suitable for integration into the press 1, as an initial assembly on a new press or as a second assembly on a press already in service, so as to not condemn either of the two accessible sides of the tables press 5.
  • the operator can more easily intervene on the tool 2 to adjust its position on the press table 5 before securing it therein.
  • the handling device for this purpose comprises two transfer mechanisms 11, 12 specially designed to integrate in the interval I existing between the press table 5 and the lateral columns 6, making it possible to very easily mount the handling device 10 to the interior of the press 1, on either side of the press table 5, thus requiring no modification of the press table 5.
  • These two transfer mechanisms 11, 12 are therefore positioned parallel to each other to the other and extend beyond the accessible sides of the press table 5, since their length is greater than the depth of the press table 5 while remaining close to its two accessible sides.
  • These two transfer mechanisms 11, 12 are structurally identical. They each comprise a latching member 40, 50 arranged to cooperate with a complementary receiving member 60, 70 provided on the tool 2, and drive means 80 coupled to said latching member 40, 50 to move it in translation in the transfer plane T selectively in one direction and in the opposite direction between two extreme positions covering at least the standby position and the working position of said tool 2. Due to their integration in the press 1, the organs of 'hooking 40, 50 of the two transfer mechanisms 11, 12 circulate laterally outside the press table 5 between two extreme positions which are located outside the press table 5 while remaining close to its two accessible sides.
  • FIGS 1 to 5 illustrate a first embodiment of the handling device 10 according to the invention mounted on a press 1 equipped with a pair of tool holder consoles 7 on only one of the accessible sides making it possible to load and unload a tool 2 by the same side of the press 1, as shown in the Figures 1A and 1B where tool 2 is in the waiting position in the figure 1A and in working position in the figure 1B .
  • Each transfer mechanism 11, 12 comprises a guide rail 13 of width less than the width of the gap I in which it is mounted. It contains at least partially the drive means 80 and the hooking member 40 is carried by a mobile carriage 41 coupled to the drive means 80 and guided in translation in the guide rail 13.
  • the drive means 80 comprise, in each transfer mechanism 11, 12, a mechanical transmission arranged to transform the rotational movement of a rotary actuator into a translational movement of the fastening members 40. This translational movement is alternating in one direction and in the opposite direction to move the hooking members 40 from one end to the other end of the transfer mechanisms 11, 12 to define their two extreme positions.
  • the two mechanical transmissions are coupled together to guarantee a synchronous movement of said hooking members 40 parallel to themselves.
  • each mechanical transmission comprises a transmission chain 81 circulating in a loop between a driving pinion 82 and a driven pinion 83, both carried by bearings provided in the ends of the guide rails 13.
  • the driving pinions 83 of the two mechanical transmissions are coupled by a connecting shaft 84, which is rotated by a motor 85 and a transmission 88, arranged outside of the guide rails 13.
  • the motor 85 is a reversible motor and can be made of any type of motor, gear motor, servomotor, or similar.
  • the movable carriages 41 of the hooking members 40 are secured to the upper strand of the transmission chain 81 by jumpers 42 fixed in place of one or more links of the transmission chain 81 and are guided linearly in the rail. guide 13 by means of a guide shoe 86 circulating on a slide 87 integral with the guide rail 13 (see figure 4A ).
  • the slide 87 has a diabolo-shaped section delimiting two frustoconical and opposite circulation grooves.
  • the guide shoe 86 includes means of rolling such as cylindrical rollers (not shown) arranged to roll in said grooves of circulation of the slide 87.
  • the transfer mechanisms 11, 12 comprise a bracket 14 at each of their ends allowing their attachment to the frame 4 of the press 1.
  • One of the brackets 14 comprises a support plate on which the motor 85 is fixed.
  • the drive means for the attachment members 40 may comprise two motors, one for each transfer mechanism 11, 12. In this case, the two motors are synchronized by a control unit.
  • the transmission chains 81 and the driving sprockets 82 and driven 83 can be replaced by a toothed belt and toothed wheels, or by a worm and a nut. It is also possible to envisage double-acting cylinders in place of the mechanical transmissions and of the motor or motors 85. These examples show some possible embodiments without departing from the invention.
  • the fastening members 40 include, in the example, Figures 1 to 3 a drive finger 43 extending in the movable carriage 41 along an axis A perpendicular to the transfer plane T to be projecting in the transfer plane T so as to be able to be housed in an orifice 61 in the sole 3 of the tool 2 forming the complementary receiving member 60.
  • the tool 2 is coupled to the handling device 10 and can be moved in translation in the transfer plane T.
  • the sole 3 of the tool 2 comprises, in each of its two lateral edges and near one of its transverse edges, at least one through hole 61 arranged to receive the drive finger 43 of a transfer mechanisms 11, 12.
  • the stroke of the tool 2 is limited to a round trip on the same pair of tool-holder consoles 7.
  • the sole 3 of the tool 2 could include an orifice 61 in each of its angles. Providing for orifices 61 directly in the sole 3 of the tool 2, for example by machining, is a coupling solution which is simple to produce and very inexpensive. This solution is however only possible if the sole 3 of the tool 2 has a width greater than the width of the press table 5 and protrudes laterally from the press table 5 to be located above the existing intervals I between the press table 5 and the lateral columns 6.
  • the drive fingers 43 form at the same time indexing means of the tool 2 on the tool holder consoles 7 facilitating its positioning on the press table 5.
  • These drive fingers 43 can be mounted fixed in the mobile carriage 41. However, they are mounted movable in axial translation along axis A in the mobile carriage 41 so that they can retract automatically when the tool 2 is removed when the latter is placed on the consoles. tools 7.
  • the movable drive fingers 43 have no external control. They are simply secured by a return member 44 in projecting position in the transfer plane T when they are at rest.
  • This return member 44 consists of a helical spring, or any similar return member, disposed in the axis A between the mobile carriage 41 and the drive finger 43.
  • each mobile drive finger 43 in the projecting position is limited for example by means of a stroke limit screw 45 or any other equivalent means.
  • the advantage of this elastic mounting is to preserve the drive fingers 43 from any damage during the installation and removal of the tool 2 by a handling machine on the tool holder consoles 7 and therefore on the drive fingers 43 of the transfer mechanisms 11, 12.
  • the fingers drive 43 can then, under the effect of a pressing force exerted by the tool 2, automatically retract into a retracted position relative to the transfer plane T avoiding any deterioration or breakage.
  • the receiving members 70 are attached to the tool 2 and no longer integrated as in the previous example. They thus comprise two plates 71 fixed to the sole 3 of the tool 2 in at least two of its angles and on the same transverse side, each plate 71 being provided with a through hole 72 for receiving a drive finger 42 of the device handling 10.
  • the stroke of the tool 2 is limited to a round trip on the same pair of tool-holder consoles 7.
  • the sole 3 of the tool 2 could include a plate 71 in each of its angles.
  • This coupling solution is also very simple and inexpensive, making it possible to equip tools 2 having a sole 3 whose width corresponds substantially to the width of the press table 5 and does not allow the holes 61 to be machined directly in its side edges, as in the example described above.
  • the figures 6 to 10 illustrate a second embodiment of the handling device 20 according to the invention mounted on a press 1 equipped in this version with two pairs of tool holder consoles 7 on its two accessible sides making it possible to load a tool 2 from one of the sides and unload the tool 2 from the other side of the press 1.
  • This solution is particularly advantageous because it makes it possible to work in hidden time, that is to say to load a tool 2 in the waiting position on a pair of tool holder consoles 7 while another tool 2 is in the working position on the press table 5, as explained with reference to Figures 10A to 10D .
  • Parts, parts of parts and subassemblies which are identical to the previous example have the same reference numbers.
  • the transfer mechanisms 11, 12 of the handling device 20 are identical to the previous example.
  • the hooking members 50 are, as in the previous example, each carried by a mobile carriage 51, fixed to the upper strand of the transmission chain 81 by jumpers 52 fixed in place of one or more links of the chain 81. They differ from the previous example in that they each comprise a drive finger 53 pivotally mounted in the mobile carriage 51 along an axis B. This pivot axis B is parallel to the guide rail 13.
  • Each drive finger 53 is secured by a control system between an unlocked inclined position as shown in the figures 6 and 9 , in which it is not engaged with the receiving member 70 of the tool 2 and a vertical locked position, in which it is engaged with the receiving member 70 of the tool 2 making it possible to move the 'hooking member 50 relative to the tool 2.
  • This control system comprises, in the example shown, a return member 54 arranged to return the drive finger 53 from the unlocked position to the locked position and a unlocking handle 55 arranged to move the drive finger 53 from its locked position to an unlocked position.
  • the drive finger 53 is mounted on a lever 56 by a fixing piece 57 and the return member 54 extends between the lever 56 and the movable carriage 51.
  • the unlocking handle 55 is arranged at one of the ends of each transfer mechanism 11, 12 and secured to the lever 56 by a splined shaft 58 which extends all along and parallel to the guide rail 13.
  • This unlocking handle 55 is held in the unlocked position by an indexing finger 59 oriented perpendicular to the pivot plane of the release handle 55, and mounted in a stirrup 15 fixed to the guide rail 13 ( figure 6A ).
  • This indexing finger 59 is secured by a return member (not visible) in the direction of the unlocking handle 55 which has an indexing hole (not visible) for receiving the indexing finger 59 when it is in position unlocked.
  • the unlocking handle 55 and the indexing finger 59 of each transfer mechanism 11, 12 are intended to be handled by a press operator.
  • the receiving members 70 are attached to the tool 2 and comprise four plates 71 fixed on the sole 3 of the tool 2 in its four angles, each plate 71 being provided with an orifice 73 open laterally to receive a drive finger 53 when it passes from an unlocked position to a locked position.
  • the stroke of the tool 2 is extended to a crossing of the press table 5 from a pair of tool holder consoles 7 to the pair of opposite tool holder consoles 7, and is limited to this crossing, which represents a reduced stroke compared to the state of the art.
  • this coupling solution is also very simple and inexpensive, making it possible to equip tools 2 having a sole 3 whose width is substantially equal to the width of the press table 5 and does not allow machining directly openings laterally open in its lateral edges.
  • these orifices open laterally could be machined directly in its lateral edges.
  • the handling device 10 makes it possible to load and unload the tools 2 from a single accessible side of the press table 5, namely the side where the tool holder consoles are located.
  • the handling device 20 makes it possible to load and unload the press tools 2 from the two accessible sides of the press table 5, since they are each equipped with tool holder consoles 7, thus making it possible to work in hidden time, as explained below, therefore saving considerable time in tool change operations.
  • the Figures 10A to 10D illustrate a process for handling press tools 2 on a press 1, equipped with a pair of tool holder consoles 7 on each of its sides, and the handling device 20 according to the invention, which makes it possible to work in masked time as explained below.
  • the tools 2 are equipped with four receiving members 70, ie a receiving member 70 in each corner of the sole 3.
  • the figure 10A illustrates a first tool 2 which has been deposited by any known handling means in the standby position on the tool holder consoles 7 on the front side AV of the press 1.
  • the front side AV of the press 1 is called its right side in the figures, and the rear rear side of the press 1, its left side on the Figures 10A to 10D .
  • the attachment means 50 of the transfer mechanisms 11, 12 are positioned on the front side AV of the press 1 and in the locked position in the reception means 70 of the first tool 2 which are near the press table 5.
  • the handling device 20 is actuated in order to move the hooking members 50 from the front side AV towards the rear side AR of the press 1, and consequently the first tool 2 of the tool holder consoles 7 at the press table 5
  • the press 1 can start quickly to work with the first tool 2 after having fixed it on the press table 5.
  • a second tool 2 is deposited, by any known handling means, on the tool holder consoles 7 on the front side AV of the press 1 while the press 1 is working with the first tool 2.
  • the operator can unlock the hooking members 50 of the first tool 2 by pulling on the indexing finger 59 and pivoting the unlocking handle 55 downwards of each transfer mechanism 11, 12 to release the receiving means 70 of the first tool 2
  • It actuates the handling device 20 in order to move the organs hooking 50 from the rear side AR towards the front side AV of the press 1 to bring them opposite the receiving members 70 of the second tool 2, which are close to the press table 5.
  • the handling device 20 is actuated in order to move the hooking members 50 from the front side AV towards the rear side AR of the press 1, and by Consequently, the second tool 2 from the tool holder consoles 7 to the press table 5, by simultaneously pushing the first tool 2 to move it from the press table 5 to the tool consoles 7 on the rear side AR of the press 1.
  • the press 1 can be restarted quickly to work with the second tool 2 after having fixed it on the press table 5.
  • the first tool 2 in the standby position on the tool holder consoles on the rear side AR of the press 1 can be removed by any known handling means, and a third tool 2 (not shown) can be placed on the tool holder consoles 7 on the front side AV of press 1.
  • the invention achieves the goals set, namely a handling device 10, 20 simple, economical, versatile, very space-saving, being able to integrate very easily and inexpensively in a press without penalizing its operation, nor its accesses on its two sides, allowing a reduction in the stroke of the tools, and offering a possibility of loading and unloading a tool in hidden time.

Claims (22)

  1. Verfahren zur Beförderung einer Last, insbesondere eines Werkzeugs (2) auf einer Presse, diese Presse (1) umfasst einen Rahmen (4), versehen mit Seitenpfosten (6) und einen Presstisch (5), zwischen den genannten Seitenpfosten (6), wobei beiderseits des Presstischs (5) ein durchführendes freies Intervall (I) ausgespart ist, dieser Presstisch (5) definiert eine Transferebene (T) und ist so eingerichtet, dass er das genannte Werkzeug (2) in einer Arbeitsposition aufnehmen kann, die genannte Presse (1) ist dabei mit einer Beförderungsvorrichtung (10, 20), eingerichtet, um das genannte Werkzeug (2) durch Schub und Zug in der genannten Transferebene (T) zwischen einer Warteposition und einer Arbeitsposition zu befördern, wobei diese Beförderungsvorrichtung zwei Transfermechanismen (11, 12) enthält, von denen jeder Anschlagmittel (40, 50) enthält, die mit komplementären Aufnahmemitteln (60, 70) zusammenwirken, die an diesem Werkzeug (2) vorgesehen sind, sowie Antriebsmittel (80), die an die genannten Anschlagmittel (40, 50) gekoppelt sind, um sie in Längsrichtung in dieser Transferebene (T) zu verschieben, selektiv in eine Richtung und die Gegenrichtung, zwischen zwei Endpositionen, die mindestens die Warteposition und die Arbeitsposition dieses Werkzeugs (2) abdecken, diese Antriebsmittel (80) der beiden Transfermechanismen (11, 12) sind so aneinander gekoppelt, dass sie synchron arbeiten, Verfahren dadurch gekennzeichnet, dass die beiden Transfermechanismen (11, 12) dieser Beförderungsvorrichtung (10, 20) innerhalb der Presse (1), beiderseits des Presstischs (5) installiert sind, parallel zueinander, im freien, durchführenden Intervall (I), das sich zwischen dem Presstisch (5) und dem Seitenpfosten (6) befindet, so dass die Anschlagmittel (40, 50) seitlich außerhalb des Presstischs (5) zirkulieren, die beiden Transfermechanismen (11, 12) haben dabei eine größere Länge als die Tiefe des Presstischs (5) so dass die beiden äußersten Positionen dieser Anschlagmittel (40, 50) sich außerhalb des Presstischs (5) und in Nähe der beiden zugänglichen Seiten befinden.
  2. Beförderungsverfahren nach Anspruch 1, dadurch gekennzeichnet, dass eine der Seiten des Presstischs (5) mit einem Paar Werkzeughalter- Konsolen (7) ausgerüstet ist und dass diese Beförderungsvorrichtung (10) gesteuert wird, um ein Werkzeug (2) aus einer Warteposition auf dem Paar Werkzeughalter- Konsolen (7) in eine Arbeitsposition auf dem Presstisch (5, 5') zu befördern und umgekehrt.
  3. Beförderungsverfahren nach Anspruch 1, dadurch gekennzeichnet, dass die beiden Seiten des Presstischs (5) mit einem Paar Werkzeughalter- Konsolen (7) ausgerüstet sind und dass diese Beförderungsvorrichtung (20) gesteuert wird, um ein Werkzeug (2) aus einer Warteposition auf einem der Werkzeughalter-Konsolenpaare (7) in eine Arbeitsposition auf dem Presstisch (5) zu bringen, dann aus der Arbeitsposition auf dem Presstisch (5) in eine Warteposition auf dem anderen Paar Werkzeughalter- Konsolen (7) und umgekehrt.
  4. Presse (1) mit einem Rahmen (4) versehen mit Seitenpfosten (6) und einem Presstisch (5), angeordnet zwischen den genannten Seitenpfosten (6), wobei beiderseits des Presstischs ein durchführendes freies Intervall (I) ausgespart ist, dieser Presstisch (5) definiert eine Transferebene (T) und ist so eingerichtet, dass er eine Last aufnehmen kann, insbesondere ein Werkzeug (2) in einer Arbeitsposition, wobei diese Presse eine Beförderungsvorrichtung (10, 20) umfasst, eingerichtet, um das genannte Werkzeug (2) durch Schub und Zug in der genannten Transferebene (T) zwischen einer Warteposition und einer Arbeitsposition zu befördern, wobei diese Beförderungsvorrichtung zwei Transfermechanismen (11, 12) enthält, von denen jeder Anschlagmittel (40, 50) enthält, die mit komplementären Aufnahmemitteln (60, 70) zusammenwirken, die an diesem Werkzeug (2) vorgesehen sind, sowie Antriebsmittel (80), die mit den genannten Anschlagmitteln (40, 50) verbunden sind, um sie in Längsrichtung in dieser Transferebene (T) zu verschieben, selektiv in eine Richtung und die Gegenrichtung, zwischen zwei Endpositionen, die mindestens die Warteposition und die Arbeitsposition dieses Werkzeugs (2) abdecken, diese Antriebsmittel (80) der beiden Transfermechanismen (11, 12) sind so aneinander gekoppelt, dass sie synchron arbeiten, dadurch gekennzeichnet, dass_die beiden Transfermechanismen (11, 12) dieser Beförderungsvorrichtung innerhalb der Presse (1) montiert sind, beiderseits des Presstischs (5), parallel zueinander, im freien, durchführenden Intervall (I), das sich zwischen dem Presstisch (5) und dem Seitenpfosten (6) befindet, so dass die Anschlagmittel (40, 50) seitlich außerhalb des Presstischs (5) zirkulieren, und dadurch dass die beiden Transfermechanismen (11, 12) dabei eine größere Länge haben als die Tiefe des Presstischs (5), so dass die beiden äußersten Positionen dieser Anschlagmittel (40, 50) sich außerhalb des Presstischs (5) und in Nähe der beiden zugänglichen Seiten befinden.
  5. Presse nach Anspruch 4, dadurch gekennzeichnet, dass das Anschlagmittel (40) jedes Transfermechanismus (11, 12) einen Mitnehmerstift (43) enthält, der entlang einer Achse (A) senkrecht zur genannten Transferebene (T) beweglich ist, der aus der genannten Transferebene (T) herausragt und dazu vorgesehen ist, in eine Öffnung (61) einer Sohle (3) dieses Werkzeugs (2) zu greifen, dass dieses komplementäre Aufnahmeorgan (60) bildet.
  6. Presse nach Anspruch 4, dadurch gekennzeichnet, dass das Anschlagmittel (50) jedes Transfermechanismus (11, 12) einen Mitnehmerstift (53) enthält, der zwischen einer entriegelten Position, in der er nicht in das Aufnahmemittel (70) dieses Werkzeugs (2) greift, und verriegelten Position, in dem er in das Aufnahmemittel dieses Werkzeugs (2) greift kippen kann, und dadurch, dass diese Aufnahmemittel (70) jeweils eine seitlich offene Öffnung (73) enthalten, vorgesehen in einer Sohle (3) dieses Werkzeugs (2) und ausgelegt zur Aufnahme des Mitnehmerstiftes (53) eines der Transfermechanismen (11, 12), wenn sich dieser in der verriegelten Position befindet.
  7. Beförderungsvorrichtung (10, 20) für eine Last, insbesondere ein Werkzeug (2), das auf einer Presse (1) installiert werden soll, die einen Presstisch (5) enthält, der das Werkzeug in einer Arbeitsposition aufnimmt, und dazu eingerichtet, um dieses Werkzeug (2) durch Schub und Zug in einer Transferebene (T), zwischen einer Warteposition und einer Arbeitsposition zu verschieben, wobei diese Beförderungsvorrichtung zwei Transfermechanismen (11, 12) enthält, von denen jeder Anschlagmittel (40, 50) enthält, die mit komplementären Aufnahmemitteln (60, 70) zusammenwirken, die an diesem Werkzeug (2) vorgesehen sind, sowie Antriebsmittel (80), die an die genannten Anschlagmittel (40, 50) gekoppelt sind, um sie in Längsrichtung in dieser Transferebene (T) zu verschieben, selektiv in eine Richtung und die Gegenrichtung, zwischen zwei Endpositionen, die mindestens die Warteposition und die Arbeitsposition dieses Werkzeugs (2) abdecken, diese Antriebsmittel (80) der beiden Transfermechanismen (11, 12) sind so aneinander gekoppelt, dass sie synchron arbeiten, diese Beförderungsvorrichtung (10, 20) ist dazu vorgesehen, eine Presse (1) nach irgendeinem der Ansprüche 4 bis 6 auszurüsten, zur Umsetzung des Beförderungsverfahrens nach irgendeinem der Ansprüche 1 bis 3, dadurch, dass die beiden Transfermechanismen (11, 12) so ausgelegt sind, dass sie im Innern der Presse (1) montiert werden können, beiderseits des Presstischs (5), parallel zueinander, dass die beiden Transfermechanismen (11, 12) dabei eine größere Länge haben als die Tiefe des Presstischs (5), so dass die beiden äußersten Positionen dieser Anschlagmittel (40, 50) sich außerhalb des Presstischs (5) und in Nähe der beiden zugänglichen Seiten befinden, wenn diese Beförderungsvorrichtung (10, 20) auf der genannten Presse (1) montiert ist, dadurch gekennzeichnet, dass jeder Transfermechanismus (11, 12) eine Führungsschiene (13) enthält, und dadurch, dass das genannte Anschlagmittel (40, 50) von einem mobilen Schlitten (41, 51) getragen wird, der an die Antriebsmittel (80) gekoppelt ist und in Längsrichtung in dieser Führungsschiene (13) zwischen diesen Endpositionen geführt wird, um diese Anschlagmittel (40, 50) von einem Ende bis zum anderen Ende der genannten Transfermechanismen (11, 12) zu verschieben.
  8. Beförderungsvorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Antriebsmittel (80) jedes Transfermechanismus (11, 12) eine mechanische Übertragung enthalten, die einerseits mit dem mobilen Schlitten (41, 51) verbunden ist und andererseits mit einem Drehantrieb (85), diese mechanische Übertragung ist vorgesehen, um die Drehbewegung des genannten Drehantriebs (85) in eine Längsbewegung dieses mobilen Schlittens (41, 51) umzuwandeln.
  9. Beförderungsvorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die genannten Antriebsmittel (80) einen den beiden Transfermechanismen (11, 12) gemeinsamen Antrieb (85) enthalten, und dass die mechanischen Übertragungen der beiden Transfermechanismen (11, 12) miteinander über eine Welle (84) verbunden sind.
  10. Beförderungsvorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass diese Antriebsmittel zwei Antriebe enthalten, jeder an eine mechanische Übertragung eines der Transfermechanismen gekoppelt, und dass diese Antriebe untereinander angesteuert werden, um in synchroner Art und Weise zu funktionieren.
  11. Beförderungsvorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass das Anschlagmittel (40) jedes Transfermechanismus (11, 12) einen Mitnehmerstift (43) enthält, der in den mobilen Schlitten (41) führt, entlang einer Achse (A), die zur genannten Transferebene (T) senkrecht ist, in diese Transferebene (T) hineinragt und in eine Öffnung (61, 72) einer Sohle (3) dieses Werkzeugs (2) greifen soll, die das genannte komplementäre Aufnahmemittel (60, 70) bildet.
  12. Beförderungsvorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass es mindestens zwei spezifische Aufnahmemittel (70) enthält, die von den genannten Transfermechanismen (11, 12) getrennt sind und jeder über eine Öffnung (71) verfügen, um einen Mitnehmerstift (43) aufzunehmen und dazu bestimmt, um auf der Sohle (3) dieses Werkzeugs (2) angesetzt zu werden.
  13. Beförderungsvorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass dieser Mitnehmerstift (43) in axialer Richtung beweglich in diesem beweglichen Schlitten (41) montiert ist und durch eine Rückstellvorrichtung (44) in seine aus der Transferebene (T) herausragende Position gesteuert wird, wenn er sich in Ruhe befindet und die das Zurückspringen in eine zu dieser Transferebene (T) eingeklappte Position ermöglicht, wenn er dazu durch eine äußere Unterstützung gezwungen wird, die dieser Rückstellvorrichtung (44) entgegenwirkt.
  14. Beförderungsvorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass das Anschlagmittel (50) jedes Transfermechanismus (11, 12) einen Mitnehmerstift (53) enthält, der im genannten beweglichen Schlitten (51) um eine Kippachse (B), kippbar montiert ist, angesteuert von einem Steuersystem zwischen einer entriegelten Position, in der er nicht in das Aufnahmemittel (70) dieses Werkzeugs (2) greift und einer verriegelten Position, in der er in das Aufnahmemittel (70) dieses Werkzeugs (2) greift.
  15. Beförderungsvorrichtung nach Anspruch 14, dadurch gekennzeichnet, dass das Steuersystem eine Rückstellvorrichtung (54) enthält, vorgesehen um automatisch diesen Mitnehmerstift (53) aus der entriegelten Position in die verriegelte Position zurückzustellen sowie einen Entriegelungshandgriff (55), vorgesehen, um diesen Mitnehmerstift (53) aus der verriegelten Position in die entriegelte Position zu stellen.
  16. Beförderungsvorrichtung nach Anspruch 15, dadurch gekennzeichnet, dass der Mitnehmerstift (53) auf einen Hebel (56) montiert ist, der mit diesem Entriegelungshandgriff (55) fest verbunden ist und dadurch, dass die Rückstellvorrichtung (54) zwischen diesem Hebel (56) und dem beweglichen Schlitten (51) verläuft.
  17. Beförderungsvorrichtung nach Anspruch 16, dadurch gekennzeichnet, dass das Steuersystem außerdem einen Anzeigestift (59) enthält, vorgesehen, um diesen Entriegelungshandgriff (55) in der entriegelten Position zu blockieren.
  18. Presswerkzeug (2), mit einer Sohle (3), versehen mit zwei parallelen Seitenkanten und zwei parallelen Querkanten, dadurch gekennzeichnet, dass es Aufnahmemittel (60, 70) enthält, die in jede der beiden Seitenkanten und in Nähe einer der Querkanten integriert sind oder zumindest in zwei der beiden Winkel angesetzt sind, auf derselben Querseite, diese Aufnahmemittel sind komplementär zu den Anschlagmitteln (40, 50), die auf einer Beförderungsvorrichtung (10, 20) nach irgendeinem der Ansprüche 7 bis 17 vorgesehen sind, ausgelegt um dieses Werkzeug (2) durch Schub und Zug in einer Transferebene (T) zwischen einer Warteposition und einer Arbeitsposition in einer Presse (1) nach irgendeinem der Ansprüche 4 bis 6 zu verschieben, dadurch gekennzeichnet, dass die Aufnahmemittel aus einer durchführenden oder seitlich offenen Öffnung gebildet werden.
  19. Werkzeug nach Anspruch 18, dadurch gekennzeichnet, dass die genannte Sohle (3) in jeder ihrer Seitenkanten mindestens eine durchführende Öffnung (61) umfasst, ausgelegt zur Aufnahme des Mitnehmerstiftes (43) eines der Transfermechanismen (11, 12) dieser Beförderungsvorrichtung (10, 20).
  20. Werkzeug nach Anspruch 18, dadurch gekennzeichnet, dass diese Aufnahmemittel (70) auf den Seitenkanten der Sohle (3) dieses Werkzeugs (2) angesetzt sind und jeweils eine Platte (71) versehen mit einer durchführenden Öffnung (72) enthalten, die zur Aufnahme des Mitnehmerstiftes (43) eines der Transfermechanismen (11, 12) dieser Beförderungsvorrichtung (10, 20) ausgelegt ist.
  21. Werkzeug nach Anspruch 18, dadurch gekennzeichnet, dass die genannte Sohle (3) in jeder ihrer Seitenkanten mindestens zwei seitlich offene Öffnungen (73) umfasst, in den äußersten Bereichen dieser Seitenkante und ausgelegt zur selektiven Aufnahme des Mitnehmerstiftes (53) eines der Transfermechanismen (11, 12) dieser Beförderungsvorrichtung (10, 20).
  22. Werkzeug nach Anspruch 18, dadurch gekennzeichnet, dass diese Aufnahmemittel (70) auf den Seitenkanten der Sohle (3) dieses Werkzeugs (2) angesetzt sind und zwei Platten (71) enthalten, die mit einer seitlich offenen Öffnung (73) in den äußersten Bereichen dieser Seitenkante versehen und zur selektiven Aufnahme des Mitnehmerstiftes (53) eines der Transfermechanismen (11, 12) dieser Beförderungsvorrichtung (10, 20) ausgelegt sind.
EP17197951.1A 2016-10-24 2017-10-24 Förderverfahren einer last, insbesondere eines pressinstruments, entsprechende fördervorrichtung und presse, die mit einer solchen vorrichtung ausgestattet ist Active EP3318397B1 (de)

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PL17197951T PL3318397T3 (pl) 2016-10-24 2017-10-24 Sposób transportu bliskiego ładunku, w szczególności narzędzia prasy, odpowiadające urządzenie do transportu bliskiego i prasa wyposażona w takie urządzenie

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FR1660304A FR3057800B1 (fr) 2016-10-24 2016-10-24 Dispositif de manutention d'une charge notamment un outil de presse, presse equipee dun tel dispositif et procede de manutention correspondant

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US3841141A (en) 1973-07-09 1974-10-15 S Rachwal Die changing apparatus
DE2343682C2 (de) * 1973-08-30 1975-04-30 L. Schuler Gmbh, 7320 Goeppingen Werkzeugwechseleinrichtung an einer Presse
JPS5853334B2 (ja) 1975-07-25 1983-11-29 株式会社リコー アツリヨクロ−ラテイチヤクソウチ
DE2738081C2 (de) * 1977-08-24 1985-09-12 L. Schuler GmbH, 7320 Göppingen Werkzeugwechseleinrichtung an einer Presse
DE3433566C2 (de) * 1983-12-23 1986-10-23 Maschinenfabrik Müller-Weingarten AG, 7987 Weingarten Pressenausbildung zum automatischen Wechsel schwerer Werkzeuge, bei dem das Werkzeug aus der Presse heraus auf einen Werkzeugwechselwagen gezogen bzw. von diesem in die Presse hineingeschoben wird
US4614108A (en) 1985-04-12 1986-09-30 Tek-Matik, Inc. Die cart
DE3533768A1 (de) * 1985-09-21 1987-04-02 Schuler Gmbh L Einrichtung zum bewegen der aufspannplatte einer presse
US4635465A (en) 1985-10-31 1987-01-13 Karder Machine Co. Die pulling apparatus
FR2665113B1 (fr) 1990-07-25 1995-06-02 Peugeot Agencement pour le changement rapide d'un outil de presse.
JP4567174B2 (ja) * 2000-11-16 2010-10-20 本田技研工業株式会社 プレス加工機の金型交換装置
US7204793B2 (en) * 2005-03-17 2007-04-17 Hedin Lagan Ab Device for moving die tools and moulds in a press
FR2966070B1 (fr) 2010-10-18 2012-11-23 Rotobloc Psp Dispositif de manutention d'une charge notamment d'un outil de presse
DE202015101311U1 (de) * 2015-03-13 2015-06-03 Dreistern Gmbh & Co. Kg Bearbeitungsstation zum Bearbeiten von Endlos-Metallprofilen

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PL3318397T3 (pl) 2020-11-02
EP3318397A1 (de) 2018-05-09
FR3057800A1 (fr) 2018-04-27

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