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EP3074152B1 - Système d'outils pour presse de pliage - Google Patents

Système d'outils pour presse de pliage Download PDF

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Publication number
EP3074152B1
EP3074152B1 EP14828439.1A EP14828439A EP3074152B1 EP 3074152 B1 EP3074152 B1 EP 3074152B1 EP 14828439 A EP14828439 A EP 14828439A EP 3074152 B1 EP3074152 B1 EP 3074152B1
Authority
EP
European Patent Office
Prior art keywords
bending
tool
traction means
manipulation device
production plant
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.)
Not-in-force
Application number
EP14828439.1A
Other languages
German (de)
English (en)
Other versions
EP3074152A1 (fr
Inventor
Thomas Denkmeier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trumpf Maschinen Austria GmbH and Co KG
Original Assignee
Trumpf Maschinen Austria GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Trumpf Maschinen Austria GmbH and Co KG filed Critical Trumpf Maschinen Austria GmbH and Co KG
Publication of EP3074152A1 publication Critical patent/EP3074152A1/fr
Application granted granted Critical
Publication of EP3074152B1 publication Critical patent/EP3074152B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • 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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/14—Particular arrangements for handling and holding in place complete dies
    • B21D37/145—Die storage magazines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • 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
    • B21D5/0254—Tool exchanging

Definitions

  • the invention relates to a production line with a bending press, as specified in claim 1.
  • a bending tool is used by a manipulation device in the tool storage and is then positioned by means of a spindle drive or by means of a rack in the longitudinal direction of the tool storage.
  • the present invention has for its object to provide a manufacturing plant for the free bending of sheet metal to be produced workpieces, which has an improved device for tooling.
  • a production plant in particular for the free bending of workpieces to be produced from sheet metal, is formed.
  • the production line comprises a bending press, in particular a press brake, with a machine frame and press beam and slit-like tool receivers arranged on the press beams, bending tools in the form of a bending punch or a bending die, a tool store for at least one bending tool, a first manipulation device for transferring the bending tool between the tool storage and the tool holders, and a second manipulation device for positioning the bending tool in a longitudinal alignment of the tool holder, wherein the second manipulation device comprises a traction means guided over at least two deflecting means, on which traction means at least one driver element is arranged.
  • the bending tool has in a direction parallel to a bending edge at least one extending over the length of the bending tool slot for carrying the at least one traction means, wherein the at least one slot further dimensioned so that the at least one driver element is not feasible through the slot.
  • An advantage of the embodiment of the invention is that such a configured, second manipulation device for positioning the bending tools, a few simple can consist of built-up parts.
  • the manipulation device not only as robust as possible and still in lightweight, but can also be produced inexpensively.
  • such a manipulation device constructed in this way is not very maintenance-intensive.
  • an excessive susceptibility to error of the manipulation device can be obstructed.
  • the expression, according to which the traction means is guided in a slot of the bending tool since thus the traction means can be protected from environmental influences, whereby damage to the traction means can be obstructed.
  • the combination of a manipulation device for inserting the bending tools with a manipulation device for positioning the bending tools is very advantageous since this can greatly reduce set-up times.
  • the at least one traction means is designed as a rope. It is advantageous in this case that a traction means, which e.g. is designed in the form of a steel cable, is particularly robust and resistant. Furthermore, a trained in the form of a rope traction means is very wear and can absorb high forces at relatively low dimensions. Another advantage is that a rope can be easily deflected, and a pulley does not have to have complicated geometry.
  • the at least one driver element engages around the traction means and has an essentially rotationally symmetrical basic shape. It is advantageous here that a driver element with substantially rotationally symmetrical basic shape does not have to be mounted in a specific angular position on the traction means. Furthermore, in a driver element with rotationally symmetrical basic shape, a rotation of the traction means during operation has no negative influence on the functionality of the manipulation device. This is particularly advantageous when using a rope as traction means, since a rope against rotation about its longitudinal axis is not very stable. This is especially the case with an endless rope guided around two deflection means. Such a driver element, which surrounds the traction means, can be arranged centrally on the traction means on the one hand. Furthermore, such a mating element can be equipped with a simple fastening system, so that it can be easily attached to the traction means.
  • the working area of the at least one traction means extends substantially over the entire length of the tool holder.
  • the advantage here is that thus the bending tools positioned on the total length of the tool holder can be.
  • the working area on the side of the machine to which the tool storage is connected is somewhat shortened.
  • the second manipulation device is positioned so that at least one section of the at least one traction means is arranged to extend within the clear cross section of the slot-like tool holder, so that it can be brought into engagement with the bending tool.
  • the advantage here is that thereby the traction means is well protected from environmental influences. Furthermore, it can be achieved that the space requirement of the second manipulation device can be kept low. This results from the fact that the essential components of the second manipulation device can be arranged within the tool holder. Thus, the number of protruding from the tool holder parts is minimized.
  • the bending tools may be equipped with a first traction means, by means of which the bending tools can be positioned in a first direction of the longitudinal alignment of the tool holder, and that a second traction means is provided, through which the bending tools are opposed in a direction opposite to the first direction second direction can be positioned.
  • a first traction means by means of which the bending tools can be positioned in a first direction of the longitudinal alignment of the tool holder, and that a second traction means is provided, through which the bending tools are opposed in a direction opposite to the first direction second direction can be positioned.
  • each attached to a traction means driver element can be positioned on one side of the bending press, in particular the tool holder.
  • the bending tools can be selectively moved in the first direction, or in the second direction, without a driver element must be moved to the second side of the bending tools.
  • the bending tools can be brought together, for example, to be able to reduce gaps between the individual bending tools.
  • the second manipulation device comprises at least two cable drums connected to a drive unit, between which the at least one cable-shaped traction means is tensioned, and to which cable drums the at least one cable-shaped traction means can be wound alternately.
  • the second manipulation device comprises at least one drive unit which is coupled in motion with a deflection means, by means of which drive unit, the traction means is movable and positionable, wherein the traction means is designed as a circulating Endloszugstoff. It is advantageous that, in contrast to the version with alternate winding of the traction means on two cable drums, only one driven deflection unit is needed. Thus, such a manipulation device constructed in such a way can be made substantially less expensive than a manipulation device with two driven deflecting means.
  • the deflection unit is designed as a deflection roller.
  • the design of the deflection unit as a deflection roller has the advantage that a deflection roller can be easily manufactured. As a result, this is less error-prone and inexpensive to manufacture. Furthermore, a pulley is very wear, which also maintenance costs can be kept low.
  • at least one deflecting means is displaceable transversely to the longitudinal orientation of the tool holder, whereby the driving element fastened to a section of the traction means can be brought into engagement with the bending tool.
  • the advantage here is that can be achieved by this measure that the traction element mounted on the traction element, which is usually in engagement with the bending tool so that the bending tool can be moved by the traction means, so far can be moved in the vertical direction that it no longer in operative engagement with the bending tool.
  • the driver element can be positioned on the opposite side of the bending tool or the bending tools, whereby the bending tools can be moved with only one driver element either in the first direction or in the second direction along the longitudinal direction of the tool holder.
  • a displaceable transversely to the longitudinal alignment of the tool holder and on the subsection acting guide element is formed, whereby the driving element attached to the portion of the traction means can be brought into engagement with the bending tool.
  • At least one deflecting means is looped around several times by the traction means. This may be necessary in that deflection, which serves as a drive for the traction means. Especially when high forces are to be absorbed on a traction device, which is designed as a cable, multiple wrapping can be advantageous in order to be able to apply sufficient frictional force.
  • Fig. 1 to 12 is a manufacturing plant 1 for the free bending of sheet metal to be produced workpieces 2, as well as embodiments of these shown in a simplified schematic representation.
  • the production plant 1 comprises a bending press 3, in particular a press brake, for producing the workpieces 2 or workpieces between relatively adjustable bending tools 4, such as bending punch 5 and bending die 6.
  • the bending punch 5 can also be referred to as an upper tool and the bending die 6 as a lower tool become.
  • a machine frame 7 of the bending press 3 comprises, for example, a base plate 8, on which vertically upwardly spaced, spaced apart in the transverse direction and parallel to each other side cheeks 9, 10 may be arranged. These are preferably connected to each other by a solid, formed for example from a sheet metal part cross member 11 at their distance from the bottom plate 8 end portions.
  • the side cheeks 9, 10 may be formed approximately C-shaped to form a free space for forming the workpiece 2, wherein a fixed, in particular on the bottom plate 8 upstanding, press bar 13 may be attached to front end faces 12 of bottom flanges of the side cheeks 9, 10 ,
  • This press bar 13 may also be referred to as a table bar.
  • a press beam 13 forming a table beam can be mounted in a manner that can be displaced relative to a further adjustable pressing beam 16, in particular a pressure beam.
  • On opposite, mutually parallel end faces 17, 18 of the two pressing bars 13, 16 can be 19 arranged and equipped for mounting with the bending tools 4 tool holders 19, 20.
  • the bending press 3 shown has as drive arrangement 21 for the adjustable pressing beam 16, namely the pressure beam, at least one, here two drive means 22, which are e.g. are fed with electrical energy from a power grid 23 and additionally can be connected to a control device 24 line connected.
  • the operation of the bending press 3 is controlled via a line-connected input terminal 25 connected to the control device 24.
  • the drive means 22 may be, for example, electromotive spindle drives 26, as are well known, of which adjusting means 27 for a reversible actuating movement of the upper beam formed by the pressure bar 16 with this, for example, are drive-connected. Regardless, it would also be possible, the drive or the 22 to form by hydraulically and / or pneumatically actuatable actuating means. It can find cylinder-piston arrangements application. But there would also be other drive means, such as eccentric drives, toggle drives, rack drives, etc. conceivable.
  • the manufacturing plant 1 may also include a manipulator not shown here, which at least a piece of it takes from a supply stack of sheets to be deformed or preciselykantenden and spends in the work area or the operating side of the bending press 3.
  • the bending tools 4, in particular the bending punch 5 and / or the bending die 6, can each have their own recesses 28, 29 for manipulating them.
  • Manipulating the bending tool 4 is understood here to mean that this or its bending punch 5 and / or bending die 6 is automated by means of a first manipulation device 30 of a in the Fig. 2 taken simplistically shown tool memory 31 and automatically to an insertion position 32 of the tool holders 19, 20 of the pressing bars 13, 16 spent and used there and clamped is supported. It can also be spoken of a tool change system, with which the exchange operations can be performed with the necessary system parts.
  • This first manipulation device 30 can be designed in the form of a manipulator which is used, for example, for workpiece handling. Furthermore, it is possible that the manipulation device 30 is formed, for example, by a back stop unit, which is designed to also take over manipulation activities. In addition to these and other possible embodiments, it is also possible that a manipulator designed especially for the purpose of handling bending tools is used as manipulation device 30.
  • FIG. 2 to 12 The in the Fig. 2 to 12 described embodiment of an apparatus for equipping bending tools is explained and illustrated for use on a lower tool holder 19.
  • an upper tool holder 20 can also be equipped with bending tools 4 in the same way.
  • a detailed description or a graphic illustration of such an upper tool holder 20 will be dispensed with.
  • Fig. 2 shows a schematic representation of the front view of a bending press 3, in particular the first press bar 13 and the first tool holder 19. It is clearly evident that in addition to a first manipulation device 30 in the manufacturing plant 1, a second manipulation device 33 is arranged, which is designed to to spend the bending tools 4 from the insertion position 32 to their final position along the longitudinal alignment 34 in the tool holder 19.
  • the manipulation device 33 comprises at least one traction means 37 guided over two deflection means 35, 36, on which at least one entrainment element 38 is arranged.
  • the traction means 37 may be performed, for example, as a cable 39.
  • a cable 39 can be made in the form of a common steel cable or plastic rope.
  • the diameter 40 of the cable 39 is dependent on the applied tensile force and is preferably between 1 mm and 5 mm.
  • the traction means 37 such as in Fig. 4 shown, designed as a toothed belt or as a V-belt or flat belt.
  • traction means 37 are not limited to the examples. It is also conceivable that further, not shown, traction means forms are used as traction means 37 in the manipulation device 33.
  • traction means 37 and the driver element 38 can be designed in various embodiments, wherein the in FIG. 3 to FIG. 5 illustrated embodiments show a small section of the possible design options.
  • Carrier element 38 shown by way of example can be embodied, for example, as a cylindrical element which is fastened to the traction means 37.
  • This designed as a cylindrical element driver element 38 has a larger diameter 41 than the rope diameter 40.
  • several different types of fastening can be provided.
  • the driver element 38 has a parting plane 42 extending through the center axis of the cylindrical element, through which the driver element 38 is divided into two halves.
  • the driver element 38 can be easily attached to the traction means 37 and fastened by means of fastening means 43.
  • the two halves of the driver element 38 formed by the separating plane 42 are fastened to one another or fastened to the traction means 37, for example by a material connection such as an adhesive connection, solder connection or welded connection.
  • the driver element 38 may also be formed as a flat product, which by means of a fastening means 43 on the traction means 37, such as a toothed belt, may be attached. It can be provided that the driver element 38 is screwed either directly to the traction means 37, or that, for example, a counter-holder element is performed, by means of which the driver element 38 is screwed and thus the traction means 37 is clamped.
  • the driver element 38 is attached directly to the traction means 37 and is designed as a simple projecting tab. Furthermore, it is also conceivable that the driver element 38 is formed for example as a chain link and thus part of in Fig. 5 shown chain is.
  • the embodiments or attachment shapes of the driver element 38 on the traction means 37 are not by the embodiments in FIG. 3 to FIG. 5 limited, but rather it is conceivable that other types of driver elements 38 and fastener 43 are used.
  • the traction means 37 via two deflection means 35, 36 is guided, wherein the deflection means 35, 36 are formed as deflection rollers 44 and the traction means 37 is formed as a continuous Endloszugstoff. It can be provided that one of the deflection means 35, 36 is coupled in motion with a drive 45, so that the traction means 37 moves circumferentially around the two deflection means 35, 36 and thus the traction element 38 coupled to the traction means 37 along the longitudinal orientation 34 of the tool holder 19 can be.
  • a slot 46 is formed, which is arranged along a direction parallel to a bending edge 47 direction 48. Such a slot 46 preferably extends over the entire length 49 of the bending tool 4.
  • the traction means 37 extends within the slot 46 of the bending tool 4.
  • the traction means 37 can now be displaced so far in a direction 48 parallel to the bending edge 47 until a driver element 38, the bending tool 4 contacted and thereby the bending tool 4 can be moved by the driver 38 in the longitudinal direction 34 in the tool holder 19.
  • the bending tool 4 can in this case, as in an advantageous, in Fig. 6 shown, variant be executed.
  • the slot 46 which is provided in the bending tool 4, preferably has a width 50, which is chosen so large that the traction means 37 can be guided without contact through the slot 46.
  • the width 50 of the slot 46 is chosen so large that the driver element 38 is not feasible through the slot 46 and thus can strike the bending tool and can put the bending tool 4 in motion.
  • the slot 46 is preferably arranged in the bending tool 4 so that it is located within the tool clamping portion 51 of the bending tool 4.
  • the tool clamping portion 51 is that part of the bending tool 4, which is adapted to receive the bending tool 4 in one of the tool holders 19, 20 and to be able to clamp.
  • the manipulation device 33 is preferably positioned such that at least one subsection 52 of the at least one traction means 37 is arranged within the clear cross section 53 of the slot-like tool holder 19, 20.
  • the bending tool 4 in particular the tool clamping portion 51 of the bending tool 4 is fixed and clamped.
  • the tool clamping portion 51 is hereby completely received in the clear cross section 53.
  • the clear cross section 53 should preferably be performed with such a large depth 54 that remains below the tool clamping portion 51 of the bending tool 4 still a free space in which the traction means 37 are passed together with the driver element 38 may, It can thereby be achieved that the driver element 38 from one side of the bending edge to the 47th parallel direction 48 Biegewerkmaschinemaschines 4 can be positioned on the opposite side of the bending edge 47 parallel to the direction 48 of the bending tool 4.
  • the bending tool 4 can be selectively displaced in a first or a second direction.
  • a recess 55 and two opposing recesses 55 are provided, which are arranged in the tool clamping portion 51 of the bending tool 4 so that the driver element 38 can be received in such a recess.
  • the recess 55 is arranged so that in the tool clamping portion 51, the length 49 of the bending tool 4 is shortened by the recess 55.
  • the recess 55 thus represents a depression which excludes the bending tool 4 in a direction 48 parallel to the bending edge 47.
  • Fig. 7 illustrated embodiment of the bending tool 4 can be achieved, that the driver element 38 can also be introduced between tightly juxtaposed bending tools 4.
  • a bending tool 4 is removed from the tool storage 31 by a first manipulation device 30 and positioned in the insertion position 32 of the tool holder 19.
  • the driver element 38 is arranged as close as possible to the second deflection means 36 during this process, so that it is located to the right of the insertion position 32.
  • the second manipulation device 33 in particular the traction means 37 are set by the drive 45 in motion so that the driver element 38 in the direction of the first Deflection means 35, and thus in the direction of insertion position 32 is moved.
  • the traction means 37 in this case extends within the slot 46 of the bending tool 4 and can be moved freely until the driver element 38 with the bending tool 4, in particular its tool clamping section 51, comes in contact.
  • the bending tool 4 is set in motion.
  • the bending tool 4 is now moved as far along the longitudinal direction 34 in the tool holder 19 until it has reached its predetermined position.
  • the driver element 38 In order to be able to use another bending tool 4 in the tool holder 19, the driver element 38 must be moved by means of the traction means 37 again in the direction of the second deflection means 36 that it is positioned as close as possible to this, another bending tool 4 in the insertion position 32 of the tool holder 19 to use. Now, the operation of positioning the bending tool 4 is repeated in the above-described steps.
  • At least one of the two deflection means 35, 36 transversely to the longitudinal direction 34 of the tool holder 19 is displaceable.
  • one or both deflection means 35, 36 is displaceable in a vertical direction, so that the driver element 38 can be brought down from the engagement region of the bending tool 4, so that the driver element 38, as in Fig. 6 described, can be moved freely under the bending tool 4 through.
  • the traction means 37 together with the driver element 38 below the tool clamping portion 51 of the bending tool 4, can be brought freely running in the direction of the first deflection means 35.
  • the deflection means 35, 36 can be moved upward, so that the driver element 38 is brought back into engagement with the bending tool 4.
  • the bending tools 4 can be displaced by the traction means 37 or the entrainment element 38 in the direction of the second deflection means 36 and thus into the insertion position 32, from where they can be removed with the first manipulation device 30.
  • recesses 55 in the bending tool 4 can be achieved that not necessarily all used in the tool holder 19 bending tools 4 are moved simultaneously in the direction of the second deflection means 36, but can also be provided that the driver element 38 is positioned between individual bending tools 4 and thus only individual bending tools 4 are displaced in the direction of the second deflection means 36.
  • deflection means 35, 36 For vertical positioning of one or both deflection means 35, 36 it can be provided that these are arranged on a vertically extending guide rail 56.
  • an electromotive, a hydraulic or a pneumatic adjusting drive 57 can be used as drive means.
  • the working range of such a manipulation device 33 can be made as large as possible, so that the bending tools 4 can be positioned as possible at any position in the tool holder 19.
  • the two deflection means 35, 36 it may be necessary for the two deflection means 35, 36 to be positioned partially outside the tool holder 19 in order to make the working area of the manipulation device 33 as large as possible.
  • the second deflection means 36 is arranged so that it does not protrude laterally of the tool holder 19 so as not to hinder a tool store 31 arranged next to the bending press 3.
  • Fig. 8 is a further and possibly independent embodiment of the manufacturing plant 1 is shown, again for like parts, the same reference numerals or component names as in the preceding Fig. 1 to 7 be used. In order to avoid unnecessary repetition, the detailed description in the previous ones will be used Fig. 1 to 7 referred or referred.
  • the in the Fig. 8 illustrated embodiment of the manufacturing plant 1 is in principle similar to the embodiment as in Fig. 2 was presented. Different from the one in Fig. 2 illustrated embodiment, in this case the manipulation device 33 is executed over a larger width. In this case, the manipulation device 33 extends over such a large width that the working area of the manipulation device 33 also extends beyond the tool store 31 arranged next to the bending press 3. It can be provided that in the tool memory 31, a tool collecting device 59 is mounted, in which a plurality of bending tools 4 can be inserted simultaneously. This tool collecting device 59 can finally be moved to a storage area of the tool storage 31. Thus, individual bending tools 4 can be prepared together in such a tool collecting device 59.
  • each bending tool 4 has to be moved individually into the insertion position 32, but that a plurality of pre-equipped in the tool collecting device 59 bending tools 4 can be moved simultaneously into the tool holder 19, 20.
  • the tool collecting device 59 is pre-loaded with bending tools 4 and the tool-collecting device 59, together with the bending tools 4 received therein, is subsequently positioned next to the tool holder 19 at its predetermined position for tooling. Subsequently, all in the tool collecting device 59 positioned bending tools 4 can be moved simultaneously into the tool holder 19.
  • a new tool collecting device 59 with already pre-equipped bending tools 4 next to the tool holder 19 can be positioned by means of the first manipulation device 30. According to the above steps, the bending tools 4 can now be moved into the tool holder 19 by means of the second manipulation device 33.
  • a tool collecting device 59 as shown in FIG Fig. 9 must be carried out so that it is open at the bottom, in order to lift the tool-collecting device 59 together with the bending tools 4 received therein upwards.
  • a tool-collecting device 59 which is designed to be closed at the bottom, could not be raised.
  • Fig. 9 In the embodiment of Fig. 9 are two traction means 37, 60 shown, which are parallel to each other, and their operation will be explained in more detail below.
  • a second traction means 60 is further shown in dashed design, to which a second driver element 61 is arranged.
  • the bending tools 4 can be displaced in a first direction 62 by means of the first traction means 37 and can be displaced in a second direction 63 by means of the second traction means 60.
  • the two driver elements 38, 61 can each be arranged on one side of the longitudinal alignment 34 on the bending tools 4.
  • This embodiment makes it possible that none of the driver elements 38, 61 in the longitudinal direction 34 must be moved to the opposite side of the bending tools 4.
  • the guide rail 56 or the adjusting drive 57 described in an alternative variant can also be omitted.
  • Fig. 10 shows a schematic representation in which the deflection means 35, 36 are designed as a multi-wound spindle. This represents a further embodiment variant for the embodiment of the deflection means 35, 36, and can be used in combination with the embodiment variants described above.
  • Fig. 11 shows a schematic diagram of a further embodiment in which the deflection means 35, 36 are formed as cable drums 64.
  • the traction means 37 is alternately wound on one of the cable drums 64, whereby the driver element 38 can be moved along the longitudinal alignment 34 in the tool holder 19.
  • the two cable drums 64 must be coordinated with each other in their rotational speed.
  • Fig. 12 shows a schematic representation of a further embodiment variant of the manipulation device 33 in which a guide element 65 is provided which can lift the traction means 37 and thus can bring the traction element 37 attached to the traction element 38 with a bending tool 4 into engagement.
  • a guide element 65 can be formed, for example, as a guide rail, which can be raised in the vertical direction to bring the driver element 38 with the bending tool 4 in engagement.
  • the guide element 65 is formed approximately by two deflection rollers, which can lift the traction means.

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

Claims (11)

  1. Installation de fabrication (1), plus particulièrement pour le pliage libre de pièces (2) à fabriquer en tôle, comprenant une presse plieuse (3), plus particulièrement une presse plieuse avec un châssis de machine (7) et des barres de pression (13, 16) ainsi que des logements d'outils (19, 20) en forme de fentes disposés ou réalisés au niveau des barres de pression (13, 16), des outils de pliage (4) sous la forme d'un poinçon de pliage (5) ou d'une matrice de pliage (6), un magasin d'outils (31) pour au moins un outil de pliage (4), un premier dispositif de manipulation (30) pour amener l'outil de pliage (4) entre le magasin d'outils (31) et les logements d'outils (19, 20), ainsi qu'un deuxième dispositif de manipulation (33) pour le positionnement de l'outil de pliage (4) dans une orientation longitudinale (34) du logement d'outil (19, 20), le deuxième dispositif de manipulation (33) comprenant au moins un moyen de traction (37) guidé par l'intermédiaire de deux moyens de renvoi (35, 36), et sur ce moyen de traction (37) est disposé au moins un élément d'entraînement (38), l'outil de pliage (4) comprenant, dans une direction (48) parallèle à une arête de pliage (47), au moins une fente (46) s'étendant sur la longueur (49) de l'outil de pliage (4), pour le guidage de l'au moins un moyen de traction (37) et l'au moins une fente (46) étant en outre dimensionnée de façon à ce que l'au moins un élément d'entraînement (38) ne puisse pas être guidé à travers la fente (46), caractérisée en ce qu'au moins un moyen de renvoi (35, 36) est mobile transversalement par rapport à l'orientation longitudinale (34) du logement d'outil (19, 20), ce qui permet d'amener l'élément d'entraînement (38) fixé sur une portion (52) du moyen de traction (37) en emboîtement avec l'outil de pliage (4).
  2. Installation de fabrication selon la revendication 1, caractérisée en ce que l'au moins un moyen de traction (37) est conçu comme un câble (39).
  3. Installation de fabrication selon la revendication 1 ou 2, caractérisée en ce que l'au moins un élément d'entraînement (38) entoure le moyen de traction (37) et présente une forme de base globalement symétrique en rotation.
  4. Installation de fabrication selon l'une des revendications précédentes, caractérisée en ce que la zone de travail de l'au moins un moyen de traction (37) s'étend globalement sur la longueur totale (58) du logement d'outil (19, 20).
  5. Installation de fabrication selon l'une des revendications précédentes, caractérisée en ce que le deuxième dispositif de manipulation (33) est positionné de façon à ce qu'au moins une portion (52) de l'au moins un moyen de traction (37) soit disposée de façon s'étendre à l'intérieur de la section transversale interne (53) du logement d'outil (19, 20) en forme de fente, de façon à pouvoir être emboîté avec l'outil de pliage (4).
  6. Installation de fabrication selon l'une des revendications précédentes, caractérisée en ce que, pour l'équipement des outils de pliage (4), un premier moyen de traction (37) est prévu, grâce auquel les outils de pliage (4) peuvent être positionnés dans une première direction (62) de l'orientation longitudinale (34) du logement d'outil (19, 20) et en ce qu'un deuxième moyen de traction (60) est prévu, grâce auquel les outils de pliage (4) peuvent être positionnés dans une deuxième direction (63) opposée à la première direction (62).
  7. Installation de fabrication selon l'une des revendications précédentes, caractérisée en ce que le deuxième dispositif de manipulation (33) comprend au moins deux tambours de câbles (64) reliés avec une unité d'entraînement (45), entre lesquels est tendu d'au moins un moyen de traction (37) en forme de câble et sur ces tambours de câbles (64) l'au moins un moyen de traction (37) en forme de câble peut être enroulé en alternance.
  8. Installation de fabrication selon l'une des revendications 1 à 6, caractérisée en ce que le deuxième dispositif de manipulation (33) comprend au moins une unité d'entraînement (45) qui est couplée en mouvement avec un moyen de renvoi (35, 36), et cette unité d'entraînement (45) est conçue pour déplacer et positionner le moyen de traction (37), le moyen de traction (37) étant conçu comme un moyen de traction sans fin (37) rotatif.
  9. Installation de fabrication selon la revendication 8, caractérisée en ce qu'au moins un moyen de renvoi (35, 36) est conçu comme une poulie de renvoi (44).
  10. Installation de fabrication selon l'une des revendications précédentes, caractérisée en ce que, entre les moyens de renvoi (35, 36), se trouve un élément de guidage (65) mobile transversalement par rapport à l'orientation longitudinale (34) du logement d'outil (19, 20) et agissant sur la portion (52), ce qui permet d'emboîter l'élément d'entraînement (38) fixé à la portion (52) du moyen de traction (37) avec l'outil de pliage (4).
  11. Installation de fabrication selon l'une des revendications précédentes, caractérisée en ce qu'au moins un moyen de renvoi (35, 36) est entouré plusieurs fois par le moyen de traction (37).
EP14828439.1A 2013-11-26 2014-11-26 Système d'outils pour presse de pliage Not-in-force EP3074152B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50781/2013A AT514929B1 (de) 2013-11-26 2013-11-26 Werkzeugrüstsystem für Biegepresse
PCT/AT2014/050281 WO2015077810A1 (fr) 2013-11-26 2014-11-26 Système d'outils pour presse de pliage

Publications (2)

Publication Number Publication Date
EP3074152A1 EP3074152A1 (fr) 2016-10-05
EP3074152B1 true EP3074152B1 (fr) 2017-09-06

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EP14828439.1A Not-in-force EP3074152B1 (fr) 2013-11-26 2014-11-26 Système d'outils pour presse de pliage

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US (1) US10350661B2 (fr)
EP (1) EP3074152B1 (fr)
AT (1) AT514929B1 (fr)
WO (1) WO2015077810A1 (fr)

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AT518260B1 (de) * 2016-02-17 2017-09-15 Trumpf Maschinen Austria Gmbh & Co Kg Abkantpresse
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AT518520B1 (de) * 2016-05-25 2017-11-15 Trumpf Maschinen Austria Gmbh & Co Kg Werkzeug-Speichersystem, Fertigungsanlage sowie Verfahren zum Manipulieren mit einem derartigen Werkzeug-Speichersystem
CN107571459A (zh) * 2017-10-27 2018-01-12 天津市鑫源泓达科技有限公司 一种便于成品收集的新型模具
CN110465597A (zh) * 2019-09-18 2019-11-19 贵阳白云中航紧固件有限公司 一种冷冲模具自动储存装置及储存方法
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CN112223823A (zh) * 2020-10-23 2021-01-15 重庆江东机械有限责任公司 一种内藏式压机全程锁紧装置
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Also Published As

Publication number Publication date
US20170165734A1 (en) 2017-06-15
WO2015077810A1 (fr) 2015-06-04
AT514929B1 (de) 2015-05-15
EP3074152A1 (fr) 2016-10-05
AT514929A4 (de) 2015-05-15
US10350661B2 (en) 2019-07-16

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