EP0121826B1 - Stanz- und Biegewerkzeug-Aggregat - Google Patents

Stanz- und Biegewerkzeug-Aggregat Download PDF

Info

Publication number
EP0121826B1
EP0121826B1 EP84102866A EP84102866A EP0121826B1 EP 0121826 B1 EP0121826 B1 EP 0121826B1 EP 84102866 A EP84102866 A EP 84102866A EP 84102866 A EP84102866 A EP 84102866A EP 0121826 B1 EP0121826 B1 EP 0121826B1
Authority
EP
European Patent Office
Prior art keywords
tool
accordance
bending
tool unit
change plate
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.)
Expired
Application number
EP84102866A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0121826A3 (en
EP0121826A2 (de
Inventor
Heinz Finzer
Wolfgang Kessler
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.)
Heinz Finzer KG
Original Assignee
Heinz Finzer 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 Heinz Finzer KG filed Critical Heinz Finzer KG
Priority to AT84102866T priority Critical patent/ATE28417T1/de
Publication of EP0121826A2 publication Critical patent/EP0121826A2/de
Publication of EP0121826A3 publication Critical patent/EP0121826A3/de
Application granted granted Critical
Publication of EP0121826B1 publication Critical patent/EP0121826B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F1/00—Bending wire other than coiling; Straightening wire

Definitions

  • the invention relates to a punching and bending tool unit according to the preamble of patent claim 1.
  • Such a tool assembly is known from GB-A-2 073 071 and from DE-B-2 737 442.
  • Such tool assemblies are characterized in particular by an extremely high number of cycles with high performance and high working precision.
  • These tool assemblies are constructed in such a way that each bending and cutting tool each forms a separate tool unit of the assembly and, as such, must be mounted in the tool or housing frame in an exact spatial association with the other tools in such a way that the tools match one another in time work coordinated.
  • the bending carriages are grouped around a central work station containing the actual bending tool and a cutting device and a semi-finished product feed device are connected upstream of it, in which case these two additional tool sub-devices are each provided with a separate branched drive.
  • the tool carrier table is designed as a quick-change plate which carries the bending slide and can be fastened to the housing frame via a centering device. In this way, the changeover process of the punching and bending tool unit can proceed faster, which creates better conditions for economical operation of the machine.
  • the punching and bending tool unit cannot be integrated into the production process during this assembly work; the time required for this changeover process therefore represents an assembly dead time, by means of which the economy of the punching and bending tool unit, if not significantly reduced, in particular in the case of small series or frequent changes, is at least severely limited.
  • the invention has for its object to provide a high-performance punching and bending tool unit according to the preamble of claim 1, which can be operated even more economically, especially in smaller product series.
  • the cutting tool and possibly also the semifinished feed tool are integrated into the previously separate pure bending tool, in an advantageous manner in such a way that a tool group unit made up of various tool types and still centrally driven is created, the summarizing element of which, on the one hand, relates to the spatial positional assignment of the individual tools among themselves the tool carrier table and on the other hand with regard to the time-coordinated movement control is the central ring gear, which is in permanent positive engagement with all tools - also of different types - via pinions and cams or eccentrics.
  • This inherently heterogeneous structure, combined by the central drive and the tool carrier table to form a group unit now opens the further step to design this tool group unit as an independent and separately manageable, i.e.
  • an adjustment or locking device is provided with which the angular position assignment of the individual pinion shafts, once set, can be prevented from occurring when the frame is removed Tool group unit changed, which would require a new adjustment, which would inevitably involve valuable assembly time.
  • the tool group unit as a whole and decoupled from the central sprocket drive can be freely handled without causing or having to adjust the position of the drive pinion with respect to one another, the tool group unit can, for example, be completely finished assembled in a mounting frame outside the automatically working tool unit, without having to intervene in the ongoing operation of the tool assembly during this pre-assembly phase.
  • the dead times of the tool assembly are reduced only to the times required to couple the tool group unit to the housing frame and to the central ring gear.
  • connection with the adjustment or locking device that is effective when attaching the tool group unit helps to additionally minimize these dead times, so that the punching and bending tool unit according to the invention can be used with great economy, particularly in small series;
  • a particularly advantageous field of application of the bending tool unit according to the invention is also to be seen when smaller, recurring series occur, since in this case the preassembled tool group unit can be stored in the meantime and can be used immediately if required without additional readjustment.
  • the development according to subclaim 7 has the particular advantage that, on the one hand, the centric attachment of the quick-release plate to the housing frame is facilitated and can therefore be carried out in a shorter time, and on the other hand, that the centering device, which is manufactured to precision, is protected as much as possible by this precentering device, so that their lifespan is extended and the engagement of the toothing can be greatly facilitated.
  • adjusting or locking devices are defined in the subclaims 8 to 14, with which it is ensured that the correct position is always correct, both when the housing frame is removed and when it is re-attached to the housing frame and when the drive pinion is inserted into the central ring gear all drive elements for the bending slide, for the semi-finished product feed device and for the cutting or pressing device are maintained or guaranteed to each other.
  • a first variant of this adjustment or locking device is the subject of subclaim 8, wherein the locking devices can work both non-positively and positively.
  • the tool group unit can be made much lighter.
  • the central drive gear or the central drive sprocket is divided, so that one part remains when the tool group unit is removed from the other part on the housing frame.
  • the part of the drive sprocket mounted on the quick-change plate reliably ensures, as in the embodiment described above, that the individual drive pinion shafts of all tools cannot be rotated when the tool group unit is removed.
  • the adjusting device can be further simplified while maintaining very simple manipulations when the tool group unit is being reassembled, with the additional advantage that the tool group unit to be handled can be built even more easily.
  • only the two toothings need to be brought into axial alignment in order to automatically ensure that all drive pinions of the tool group unit engage gently or engage in the central drive ring gear.
  • a preferred embodiment of the quick-change plate is to fit the fitting grooves at a constant angular distance of 30 °.
  • the punching and bending tool shown in FIGS. 1 to 7, which is used, for example, for the automated production of bent parts from wire or strip or similar semi-finished products, has a frame frame designated by reference number 1, which is essentially box-shaped and is mainly in one Vertical plane extends.
  • the central drive gear 2 is driven by a drive pinion 37, which is coupled to an electric motor, for example.
  • the drive gear serves to simultaneously drive a plurality of drive pinions 3 to 10, which in turn are only shown schematically in FIGS. 1 to 2.
  • Each of these drive pinions 3 to 10 belongs to a separate machining tool 11 to 18, which are fastened in a predetermined spatial association to one another on a tool carrier table 19 fastened to the housing frame.
  • the tool carrier table 19 can be seen frontally in FIGS. 1, 2 and 7. All of the tools 11 to 18 are each driven via a pinion drive shaft 20 which is connected in a rotationally fixed manner to the associated pinion 3 to 10 (only the pinion drive shaft 20 of the tool 11 is shown in the illustration, in FIG.
  • a tool drive for example a cam disk group 22 or an eccentric 22 ′, as a result of which both the working stroke and the return stroke of an associated tool slide 23 (for the tools 11 to 16) or 24 (with tool 17) or 25 (with tool 18).
  • the tools 11 to 16 apart from the work stamps which are fastened to the tool slides and are not shown in detail, are of identical design and mostly function as pure bending tools which cooperate with a bending mold 26 attached in the center of the tool carrier table 19.
  • the bending tool 26 thus forms a central work station, around which the curve-controlled bending tools are grouped.
  • the bending tool 26 has a number of punch guides 27 to 31 corresponding to the number of bending slides for guiding the respective bending punches, which are precisely coordinated in time with the tool 26 by the curve control Intervene in the deformation of the semi-finished product made of wire or tape.
  • At least one cutting tool 18 and a semifinished product feed device 17 are connected upstream of the bending tool 26 forming the central work position, so that automated work of the tool assembly is made possible.
  • the reference number 32 indicates the axis along which the semi-finished product, i.e. the wire or strip to be bent is fed to the bending tool unit.
  • the tool slides 24 and 25 of the tools 17 and 18 upstream of the bending tool 26 are also driven via drive pinions 9 and 10, which mesh directly with the central drive ring gear 2.
  • the carriages 24 and 25 are in turn controlled by cam or eccentric, in such a way that the carriage movements are timed precisely to one another and to the carriage movements of the bending tools 11 to 16.
  • the working movement of the individual tools, which is precisely coordinated with one another, is generally achieved by adjusting the individual cam disk groups 22 or eccentrics 22 'to one another.
  • the main peculiarity of the new punching and bending tool unit can be seen in addition to the only central drive sprocket 2 for all the tools 11 to 18 that enable automatic operation in that all the bending tools 11 to 16 and the cutting tool 18 and, if applicable, also the Semi-finished feed device 17 on the round tool carrier table 19 are combined into a separately manageable tool group unit and the tool carrier table 19 is designed for this purpose as a quick-change plate on which the individual tools 11 to 18 are mounted in a fixed orientation and which in turn are releasably attached to the frame 1 , for example, is attached to a radially inner ring flange 33 (cf. representations in FIGS. 3, 5 and 6).
  • T-slots are used to hold clamping claws and / or plate recesses 34 which run radially in main working directions R A to accommodate feather keys, which facilitate the positioning of the tools.
  • each tool slide carrier 21 has a centering collar 38 which fits into the radial annular space between the outside of the quick-change plate 19 and the inner surface of the housing frame 1.
  • FIG. 1 the automatically working combined cutting and bending tool unit is shown in the fully assembled state, in which it can be put into operation.
  • the tool carrier table 19 is fastened centrally to the housing frame 1 via releasable fastening means 39, for example in the form of screws which are screwed into the quick-change plate 19 from the rear.
  • releasable fastening means 39 for example in the form of screws which are screwed into the quick-change plate 19 from the rear.
  • guide columns 40 are additionally provided, which are only indicated with dashed lines in FIGS. 3 to 6.
  • a centering device 41 is also provided in the area of the opposite radial surfaces 42 of the quick-change plate 19 and 43 of the ring flange 33, with which the opposite end faces 42 and 43 can be brought into positive surface contact.
  • the centering device 41 can be formed, for example, by a Hirth toothing; In the illustrated embodiments of the invention, this centering device is formed by a simple tongue and groove connection: For this connection, both the rear of the quick-change plate 19 and the ring surface of the connecting flange 33 have several, for example 4, radial grooves at the same angular distance from one another for receiving a passport -Nutensteins on, so that when the corresponding grooves are brought into axial alignment with one another Secure centering of the quick release plate 19 on the housing frame 1 is guaranteed.
  • the adjusted angular position assignment of all tool drive pinions or tool drives 22 or 22 ' would be abandoned, so that when the tool group unit is reattached to the housing frame 1, the individual tools 11 to 18 are no longer in the predetermined time Sequence would work.
  • attaching the tool group unit would generally be difficult since the individual drive pinions 3 to 10 would rotate in such a way that not all tooth gaps of the drive pinions 3 to 10 engage the teeth of the central drive ring gear 2 at the same time.
  • this would undesirably increase the changeover times of the combined cutting and bending tool unit.
  • the tool group unit is provided with an adjusting or locking device with which the mutual angular position assignment of all tool drive pinions 3 to 10, which is present in the working mode of the tool unit, can be determined unchanged even when the quick-change plate 19 is removed.
  • FIGS. 2 and 3 A variant of this adjustment or locking device is shown in FIGS. 2 and 3.
  • Each tool 11 to 18 or each drive pinion shaft 20 of these tools is assigned a locking device 48 which can be actuated by a hand lever 45 or 46 or clamping screw 47 and which, for example, engages between the cam disk group 22 in the region of the tool drive 22 or 22 '.
  • the locking devices 45 to 47 are in engagement with the drive pinion shaft 20 and on the other hand with the tool slide 23 or 24 or 25 such that when the hand levers 45 to 47 are tightened the respective drive pinion shaft 20, 44 is reliably secured against rotation.
  • the locking device 47 can work both positively and positively.
  • each drive pinion shaft 20, 44 is secured against rotation by such a locking device, the entire tool group unit can be removed from the housing frame 1 after loosening the fastening screws 39, without running the risk that the different drive pinion shafts 44 and thus the tool drives 22 or 22 'against each other.
  • This means that the removed tool group unit is stored with locked pinion shafts 20 and, if necessary, i.e. in a recurring product series, can be easily re-attached to the housing frame 1 without difficulties in engaging the individual pinions 3 to 10 in the central drive sprocket 2.
  • the centering device 41 in the opposite plane surfaces 42 and 43 is used for the central positioning of the tool group unit.
  • column guides 40 are provided for precentering, with which the quick-release plate 19 is moved axially towards the housing frame 1. This also makes it easier to engage the teeth.
  • FIG. 1 Another embodiment of the tool group unit is shown in FIG. Components that correspond to the components of the embodiment shown in FIGS. 1 to 3 are identified by the same reference numbers.
  • the main difference from the embodiment according to FIG. 3 is that the central drive gear 2 is no longer supported on the ring flange 33 of the housing frame 1 but on an axial extension 49 of the quick-change plate 19.
  • the centering device 41 is therefore located between the annular surface 50 of the axial extension 49 and the rear flat surface 51 of the housing frame 1.
  • the central drive gear 2 is fixed on the axial extension 45 of the quick-release plate 19 by means of an axial locking ring 52.
  • the adjustment device described above for determining the mutual angular position assignment of all tool drive pinions is formed by the central drive wheel 2 itself, which is removed together with the tool group unit when the quick-change plate 19 is removed.
  • the individual pinions can rotate with respect to one another in the removed state, but not out of their angular position assignment, and when the tool group unit is reattached, it is only necessary to ensure that the drive pinion 37 gently engages in the central drive gear 2.
  • FIG. 5 shows a further embodiment of the combined cutting and bending tool.
  • Unit shown, here again the components that are also used in the embodiments described above are identified with identical reference numerals.
  • This embodiment differs from that according to FIG. 4 in that the central drive gear 2 is divided.
  • One gear wheel half 201 is rotatably mounted on a shortened axial flange 33 'of the housing frame 1 and is axially immovable.
  • the other gear half 202 is rotatable and axially immovable on a short axial extension 49 'of the quick release plate 19.
  • Both gear wheel halves 201 and 202 are designed with identical toothing; the one gear half 201 meshes with the drive pinion 37, whereas the other gear half 202 meshes with all the drive pinions 3 to 10 of the tools 11 to 18.
  • the two gear wheel halves 201 and 202 are in engagement with one another via a releasable axially disengageable and engaging rotary coupling 53.
  • the fastening screws 39 are loosened again, and the quick-change plate 19 can be removed as a whole together with the gear half 202 mounted thereon by disengaging the rotary coupling 53 and the centering device 41.
  • the gear half 202 in turn ensures that the set angular position assignment of all the drive pinion shafts 44 or the tool drives 22 or 22 'attached to one another does not change when the tool group unit is removed.
  • the tool group unit is reattached, only the claws of the axially disengageable and engaging rotary coupling 53 have to be brought into axial alignment with one another, and the tool unit can be incorporated into the operating process after the fastening screws 39 have been tightened.
  • FIG. 6 Another embodiment is shown in FIG. 6. This embodiment differs from that shown in FIG. 5 only in that the gear half 202 mounted on the quick-change plate 19 is replaced by an auxiliary gear 54, the toothing of which is identical to that of the central drive gear 2.
  • the toothing width B v of the auxiliary gear 54 is substantially smaller than the width B 3 of the pinion 3, which can thus mesh with the central drive gear 2 in the installed state of the tool group unit.
  • the difference of this embodiment from that according to FIG. 5 is that the pinion 3 itself takes over the function of the axially disengageable and engaging rotary coupling 53 of the embodiment according to FIG.
  • the auxiliary gear accepts 54 the same function as the Zahnradpack l RTD 202 according to Figure 5. This means that whenever a drive pinion can engage in the central drive gear 2 when re-attachment of the quick-release plate 19, necessarily all other Drive pinion can be brought into mesh with it freely and without constraints.
  • FIG. 7 another embodiment of the quick release plate 19 is shown.
  • the quick-change plate 19 'shown there which is also guided radially further outwards, has a ring of through bores 55 on, which serve to receive the respective centering or guide collars 38 of the individual tools 11 to 18.
  • the quick-release plate 19 ' can in turn be designed as a turned part which is received centered in a recess 56 of the housing frame 1.
  • the centering device 4 described above, in the form of a cross-use centering, is preferably retained.
  • the housing frame 1 shown can also function as a pre-assembly frame, on which a new tool group unit is built around a new bending mold tool during production of the actual tool unit, which is then retained the pre-adjusted angular position assignment of all pinion drive shafts as a whole can be applied to the frame. Immediately after connecting the quick release plate, the tool unit is ready for production with the new bending mold.
  • the invention is of course not limited to the embodiments shown in the figures.
  • the invention opens up the possibility, in contrast to the illustrated embodiments, of mounting a plurality of cutting and semi-finished product insertion tools on the central quick-change plate 19, 19 'without thereby weakening the advantages according to the invention described above in any way.
  • the invention thus creates a combined cutting and bending tool unit for the automated production of bent parts from wire or strip or similar semi-finished products.
  • the tool assembly has a number of bending slides, which are grouped around a round tool carrier table with a central work station and are controlled by curves, each of which is driven by a drive pinion engaging in a central drive ring gear.
  • the central work station is at least one cutting tool that works in time with the bending slide, and at least, if necessary a semi-finished feed device upstream.
  • the bending slides are combined with the cutting tool and, if necessary, with the pull-in device on the round tool carrier table to form a positively driven tool group unit via the central drive ring gear and the meshing pinions, and the tool carrier table is designed as a quick-change plate, which has a centering device for connection to the housing frame and has an adjustment or locking device with which the mutual angular position assignment of all tool drive pinions present in the working mode of the tool unit can be determined when the removable plate is removed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Earth Drilling (AREA)
  • Wire Processing (AREA)
EP84102866A 1983-04-08 1984-03-15 Stanz- und Biegewerkzeug-Aggregat Expired EP0121826B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84102866T ATE28417T1 (de) 1983-04-08 1984-03-15 Stanz- und biegewerkzeug-aggregat.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833312671 DE3312671A1 (de) 1983-04-08 1983-04-08 Stanz- und biegewerkzeug-aggregat
DE3312671 1983-04-08

Publications (3)

Publication Number Publication Date
EP0121826A2 EP0121826A2 (de) 1984-10-17
EP0121826A3 EP0121826A3 (en) 1985-01-30
EP0121826B1 true EP0121826B1 (de) 1987-07-22

Family

ID=6195778

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102866A Expired EP0121826B1 (de) 1983-04-08 1984-03-15 Stanz- und Biegewerkzeug-Aggregat

Country Status (5)

Country Link
US (1) US4607517A (enrdf_load_stackoverflow)
EP (1) EP0121826B1 (enrdf_load_stackoverflow)
JP (1) JPS6040632A (enrdf_load_stackoverflow)
AT (1) ATE28417T1 (enrdf_load_stackoverflow)
DE (2) DE3312671A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19953283A1 (de) * 1999-11-05 2001-05-10 Kelz & Settele Sondermaschb Verstellbare Schlitteneinheit für Stanz-, Biege- und Montageautomaten

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FR2602159B1 (fr) * 1986-08-04 1993-12-10 Latour Fils Procede et machine de pliage de fils metalliques
DE3735493A1 (de) * 1987-10-20 1989-05-03 Finzer Saeckinger Maschinen Fa Werkzeugaggregat
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US5134874A (en) * 1989-09-05 1992-08-04 Coors Brewing Company Method for performing work
US5301410A (en) * 1990-02-05 1994-04-12 Heinz Finzer Workpiece machining center of modular construction and drive module for same
DE4007204A1 (de) * 1990-03-07 1991-09-12 Otto Bihler Bearbeitungsmaschine, insbesondere stanz- und biegeautomat stichwort: bearbeitungsmaschine mit stangensteuerung
US5008999A (en) * 1990-03-29 1991-04-23 Amp Incorporated Method of assembling components to electrical terminals
US5095609A (en) * 1990-03-29 1992-03-17 Amp Incorporated Work piece assembly machine
US5203191A (en) * 1990-05-02 1993-04-20 North America Omcg, Inc. Versatile automatic metal strip working machine
DE4240725C1 (de) * 1992-12-03 1993-12-23 Friedhelm Post Biegemaschine für Draht- oder Bandmaterial
JP2690704B2 (ja) * 1994-12-22 1997-12-17 株式会社板屋製作所 線材成形装置
DE19605647A1 (de) * 1996-02-15 1997-08-21 Mathias Bihler Bearbeitungsmaschine
IT1301939B1 (it) * 1998-07-27 2000-07-20 Unimatic Engineering S R L Macchina pressa-piegatrice universale
DE19916369B4 (de) * 1999-04-13 2005-06-09 Harald Garth Maschine zum Stanzen, Biegen und/oder Montieren von Blechteilen
JP3744910B2 (ja) * 2003-02-10 2006-02-15 オリイメック株式会社 線ばね成形装置
DE10351917A1 (de) * 2003-11-07 2005-06-09 Otto Bihler Handels-Beteiligungs-Gmbh Arbeitsmaschine, insbesondere Draht- oder/und Bandbiegemaschine
WO2008000042A1 (en) 2006-06-30 2008-01-03 Iceutica Pty Ltd Methods for the preparation of biologically active compounds in nanoparticulate form
MY159208A (en) 2009-04-24 2016-12-30 Iceutica Pty Ltd A novel formulation of indomethacin
US9526734B2 (en) 2014-06-09 2016-12-27 Iceutica Pty Ltd. Formulation of meloxicam
CN111112505A (zh) * 2019-12-12 2020-05-08 黄碧茶 一种基于齿轮啮合的电缆切割装置
CN112045054B (zh) * 2020-08-10 2022-11-08 河北海恩橡塑制品有限公司 一种高压管扣压机
CN112658176A (zh) * 2020-12-04 2021-04-16 中国十七冶集团有限公司 一种钢筋圈加工辅助装置
CN113526853B (zh) * 2021-08-05 2023-01-06 安徽荣耀光电科技有限公司 一种钢化玻璃加工系统及加工工艺

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GB944378A (en) * 1959-12-29 1963-12-11 Gerhard Heinrich Appel High speed machines for the shaping of metal by cold forming
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19953283A1 (de) * 1999-11-05 2001-05-10 Kelz & Settele Sondermaschb Verstellbare Schlitteneinheit für Stanz-, Biege- und Montageautomaten

Also Published As

Publication number Publication date
EP0121826A3 (en) 1985-01-30
DE3312671A1 (de) 1984-10-11
EP0121826A2 (de) 1984-10-17
US4607517A (en) 1986-08-26
JPH0456691B2 (enrdf_load_stackoverflow) 1992-09-09
ATE28417T1 (de) 1987-08-15
DE3464861D1 (en) 1987-08-27
JPS6040632A (ja) 1985-03-04
DE3312671C2 (enrdf_load_stackoverflow) 1992-07-23

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