EP1595614A1 - Stanzmaschine - Google Patents

Stanzmaschine Download PDF

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Publication number
EP1595614A1
EP1595614A1 EP05076041A EP05076041A EP1595614A1 EP 1595614 A1 EP1595614 A1 EP 1595614A1 EP 05076041 A EP05076041 A EP 05076041A EP 05076041 A EP05076041 A EP 05076041A EP 1595614 A1 EP1595614 A1 EP 1595614A1
Authority
EP
European Patent Office
Prior art keywords
punch
groups
holder
punching machine
rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05076041A
Other languages
English (en)
French (fr)
Other versions
EP1595614B1 (de
Inventor
D. Inaki Xabier Aizpurua Zendoia
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.)
Goiti SCL
Original Assignee
Goiti SCL
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Filing date
Publication date
Application filed by Goiti SCL filed Critical Goiti SCL
Publication of EP1595614A1 publication Critical patent/EP1595614A1/de
Application granted granted Critical
Publication of EP1595614B1 publication Critical patent/EP1595614B1/de
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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/12—Punching using rotatable carriers

Definitions

  • the present invention relates to punching used for punching sheet metal and, in particular, machines of this type which function under automatic control and which include various selectable tools to realize different types perforations in the application plates, thus bringing about, in relation to these particularities, improvements that simplify the realization of the machine and endow it with greater precision operation.
  • the punching machines automatic machines used for perforating sheet metal generally consist of two turrets facing each other, one of them, the punch holder, being located in the superior and the other, the die holder, being located in the lower part, said turrets being animated synchronous rotation movements and endowed a plurality of punch-die positions likely to be selectively placed in a working position thanks to the rotation of the turrets, compared to a striker punches in order to carry out the punching.
  • Each post consists of one punch holder group arranged in the turret superior and a matrix group located in the lower turret so that the pair of two groups constitutes a punching station.
  • Each punch holder group consists of a set of punches and each matrix group is, likewise, formed of a set of dies, so that each punch and its corresponding matrix form a set of punching tools.
  • punching allow sets of punch-matrix tools to occupy different radial orientations fixed, defined by keying. This positioning by keying restricts the number of positions and requires Frequent shutdown of the machine to change positions and / or tools and thus offer other possibilities working.
  • German Utility Model G 87 17 398.0 released in 1987 presents a solution that provides for a single rotation control device for all punch holder groups and another device for single command for rotation of all groups matrix holders of the corresponding matrices, each said rotation control devices comprising a coupling and decoupling actuator that meshes the transmission of the rotation with respect to the groups punch holders and die holders selected.
  • punching machines mentioned have claws to maintain and to drive the punching plates, which claws are likely to change their position for adapt to the different dimensions of punching, a locking device being provided for this effect to release said claws so as to move to the corresponding positions and to secure in place, said locking device being traditionally a device with manual actuation or requiring, at most, an automatism of reduced precision direct rotary control.
  • the present invention proposes improvements that provide constructive features and functional advantages to punching machines the aforementioned automatic devices, thus giving rise to an improved realization compared to the machines already known of this type.
  • the machine has punch turrets and respective die holders located in relative position eccentric to each other, the position opposite corresponding to the work area, while, in the opposite zone, the lower turret die holder is exposed in relation to the turret superior punch holder, which facilitates the exchange matrices.
  • Turrets can incorporate fixed groups punches and dies, or susceptible groups rotary selection (automatic indexing), for define the punching stations, respective orders being provided in relation to the rotary selection groups of the punches and matrices, each of which includes an actuator incorporated on a support arranged in tilting assembly articulated on a "U" -shaped piece, a linear pusher being also provided with respect to said medium tilting to push it by doing so switch to ensure the coupling and decoupling of the corresponding transmission meshing of the motor actuator relative to the group to be actuated.
  • Groups bearing punches and dies multiple incorporate further a blocking device rotary position occupying a zero position, thanks to a device formed of a ball pushed by a spring, this one allows to fix exactly a angular position of reference of said groups, for ensure automatic control of sets of punch-matrix to use.
  • the striker destined to strike the punches to perform punching is of the rotary type and orientable radially, an actuator of the rotation being linked to it by means of a simple transmission by belt or the like, thus determining a very simple mounting arrangement, which can be ordered automatically alone or in association with the rotation of the groups carrying punches-matrices multiple, thus allowing to establish a rotation combined for the selection of work punches to use.
  • the claws of maintenance and training of punching plates incorporate a locking system formed of an axis and a rotary actuator to move axially to couple with said axis and decoupled from it, the axis being linked to the means a transmission by meshing with an element threaded that can make a small displacement for block or release the corresponding claw.
  • the blocking device claws for maintaining and training sheet metal punching a simple and highly accurate mechanism allowing to also establish an automatic order of the establishment of the claws.
  • Figure 1 shows a diagram of the layout of turrets of a machine according to the invention.
  • Figure 2 is a detail of a substation punching with selection of punches and dies, in the decoupled position of the control mechanisms of selection.
  • Figure 3 is a detail similar to that of the previous figure, with the control mechanisms of coupled with the punch holder and the corresponding die holders.
  • Figures 4 and 5 are plan views respective details of Figures 2 and 3, a sectional view of having been practiced in Figure 4 to put in evidence the temporary locking device of the punch holder.
  • Figure 6 is an enlarged representation of the section of Figure 4.
  • Figure 7 is a plan view of the layout relative turrets of the machine.
  • Figure 8 is a bottom plan view of firing machine punches.
  • Figure 9 is a sectional side view corresponding to the striker of the machine, in the actuating arrangement on a punch.
  • FIGS. 10A, 10B, 10C and 10D show in detail a sequence of positions of the striker of punches relative to a fixed punch holder, the striker being rotated.
  • Figures 11A, 11B and 11C show in detail a sequence of punch puncher positions in relation to a multiple punch station, the firing pin being rotated and the post being kept fixed.
  • Figures 12A, 12B and 12C show in detail a sequence of punch puncher positions in relation to a multiple punch station, the post being rotated and the striker being kept fixed.
  • Figures 13A, 13B and 13C show in detail a sequence of punch puncher positions in relation to a multiple punch station, the striker and the station being rotated according to a combined movement.
  • Figure 14 is a detail in plan of a claw of maintaining the application plates in the machine, said claw being in the free position to move on the corresponding support carriage.
  • Figure 15 is a detail similar to that of the previous figure, the claw being locked on the trolley support in the chosen position.
  • Figures 16 and 17 are each more views detailed, in side elevation and in plan, of the arrangement of the claw according to Figure 14.
  • Figures 18 and 19 are each more views detailed, in side elevation and in plan, of the arrangement of the claw according to FIG.
  • Figures 20 and 21 are each views in detail of the rotation control of the actuator of the locking and unblocking claws.
  • the object of the invention relates to a machine for punch the type of those used to punch sheet metal in a machining process, by means of punches presenting the desired shapes and corresponding matrices arranged in opposition, comprising respective turrets (1 and 2), in which are respectively incorporated punches and matrices in reciprocal sets forming selective punching stations, said turrets (1 and 2) being provided with motor actuators synchronized (3 and 4), to ensure rotary control for the purpose of placing the punching to use in each case in a determined working position.
  • the turrets (1 and 2) are superimposed in an eccentric position one by compared to the other, as shown in FIGS. 7, so that in the corresponding zone (5) at the working position of the two turrets (1 and 2), these are opposite, but that in the area opposite (6), the lower turret (2) is exposed compared to the upper turret (1).
  • turrets (1 and 2) facilitates the exchange of matrices, insofar as punching plates are arranged between the two turrets (1 and 2), which allows the introduction and to easily extract the sheets by the opposite zone (6) to the punching zone (5).
  • Groups (7 and 8) of punches and dies may be fixed, the selection of punches to be used by rotating turrets (1 and 2) until groups (7 and 8) in which are the punch and the matrix to to use in the work zone (5), the striker (9) being then rotated up to the corresponding angular position on the punch (10) called upon to punch, in accordance with selection mode represented by the sequence of Figures 10A to 10D.
  • the striker (9) is associated, by means of of a belt transmission or the like (11), to a rotary actuator (12), as illustrated in the figures 8 and 9.
  • the rotary actuator (12) is a motor whose axis incorporates a pulley (42) in which engages the belt (11) for transmitting the rotary motion to a toothed belt (43) secured to the body of the striker (9) so as to transform the rotation of the motor (12) in a rotation of the striker (9).
  • Punch and die groups can also be incorporated into rotating supports (13 and 14) respectively, so that the selection punches (10) to be used and their matrices can be done in the same way by rotation of the firing pin (9) to the angular position corresponding, maintaining the supports (13 and 14) punches and fixed dies, in accordance with selection mode represented by the sequence of Figures 11A to 11C; however, it is also possible to make the selection by rotating the holders (13 and 14) punches and dies up to the position corresponding to the striker (9), the now fixed, according to the mode of selection represented by the sequence of FIGS.
  • each of said devices (15 and 16) consists of a motor (17) which, thanks to a pulley (44) and a belt transmission (18) actuates the pulley (45) of a rotating body (19) which, through a pinion (46), meshes with a pinion (20), through which it is possible to establish a meshing coupling with the punch holder (13) or the corresponding die holder (14).
  • the rotating body (19), with its pulley (45) and its pinion (46) and the pinion (20) are incorporated in a support (21) arranged in tilting arrangement by relative to an axis (22) mounted in a "U" shaped part (47), so that, according to the provision of the said tilting support (21), the pinion (20) remains coupled or decoupled from its meshing with the punch holder (13) or the die holder (14) corresponding.
  • a linear pusher device (23) provides thrust necessary to tilt said support (21) by relative to the U-shaped piece (47) to the position meshing pinion (20) with the punch holder (13) or the corresponding die holder (14), as illustrates it in FIG. 3, whereas, when said push-button (23) is withdrawn, the support (21) switches a position in which the pinion (20) remains decoupled from meshing with the punch holder (13) or the respective die carrier (14), as illustrated Figure 2, according to a gyroscopic type mounting.
  • the pusher (23) can be a pneumatic cylinder with linear actuation or any other cam mechanism or the like.
  • the tilting of the support (21) with respect to the axis (22) makes it possible to ensure that the position of decoupling a position that the support (21) will reach by mere gravity, so that it is possible to use a linear pusher (23) to simple effect that once its thrust action ceases, gets up in its non-operative position by gravitational tilting of the support (21), facilitated in all cases by a resilient means of recovery whatever, so as to guarantee in this way and in all decoupling the pinion (20).
  • punch holders (13) and die holders (14) For the selection of punches and dies, punch holders (13) and die holders (14) must be ordered from a reference position or "zero" position, said punch holders (13) and matrix holders (14) having a locking device for fixing the position reference or "zero" position.
  • the locking device is defined by a ball (24) pushed by a spring (25) to define a kind of relaxation likely to come embedded in a notch (26) to fix in a concrete position the moving part (27) of the punch holder (13) or the die carrier (14), as shown in Figure 6.
  • the machine For the maintenance and training of sheets (28) on which punching takes place, the machine has claws (29) the number of which vary according to the dimensions of the sheets (28) for which application is provided, said claws (29) being provided with a gripper (30) for gripping the sheets (28).
  • the claws (29) are mounted on a carriage (31) likely to move according to "X" (movements horizontally) to drive the plates (28) and the place at the punching positions to be performed.
  • the claws (29) are slidably mounted on the carriage (31) with respect to a guide (32), as shown by FIGS. 16 and 18, so as to be able to move said claws (29) and place them in the proper position on said carriage (31), as shown in the figures 14 and 15.
  • This carriage (31) moving according to "X” is mounted on a cart, not illustrated, likely to move according to "Y" (movement in the direction vertically) so that the combination of movements of the two trolleys allows to position the punching sheet as appropriate for each job.
  • claws (29) For attachment to the desired locations, claws (29) have a locking mechanism on the mounting guide (32), said mechanism comprising, as shown in Figures 16 to 19, an element of pressure (33) resting on the guide (32), on which acts a push element (34) arranged in assembly threaded so that when it rotates, moves axially a small distance, said element (34) being secured to a toothed sector (35) which meshes with a pinion (36) incorporated on an axis (37) provided with a grooved head (38) with respect to which it can couple and decouple an actuator element rotary (39).
  • Actuator element (39) can move axially through a cylinder (not shown) and is linked, via a radial rod (40), to a cylinder (41) with perpendicular action the actuation causes said element (39) to rotate.
  • the cylinder corresponding causes the axial displacement of the element (39) for coupling said element (39) to the head (38) of the shaft (37) and, once the element (39) in this position, the transverse cylinder (41) corresponding causes this element (39) in rotation, which, in turn, causes the axis (37) to rotate, for thus turn the pusher (34) through the pinion (36) and the toothed sector (35).
  • the pusher element (34) moves forward, pushing the element (33) against the guide (32), or moves backwards releasing the pressure of the element (33) against the guide (32), to fix, in the first case, the position of the corresponding claw (29) on the carriage (31), while that in the second case, the fixation of the claw (29) is unblocked, allowing it to be moved put it in the desired position on the cart (31).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP05076041A 2004-05-12 2005-05-04 Stanzmaschine Not-in-force EP1595614B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200401138 2004-05-12
ES200401138A ES2246697B1 (es) 2004-05-12 2004-05-12 Mejoras introducidas en una maquina punzonadora.

Publications (2)

Publication Number Publication Date
EP1595614A1 true EP1595614A1 (de) 2005-11-16
EP1595614B1 EP1595614B1 (de) 2007-10-03

Family

ID=34938241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05076041A Not-in-force EP1595614B1 (de) 2004-05-12 2005-05-04 Stanzmaschine

Country Status (5)

Country Link
EP (1) EP1595614B1 (de)
AT (1) ATE374657T1 (de)
DE (1) DE602005002676T2 (de)
ES (1) ES2246697B1 (de)
PT (1) PT1595614E (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20091430A1 (it) * 2009-08-06 2011-02-06 Cimsa Srl Macchina punzonatrice perfezionata
CN116603924A (zh) * 2023-06-06 2023-08-18 台励富精密机械(江苏)有限公司 一种具有定位功能的机械加工用冲孔机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017215422A1 (de) * 2017-09-04 2019-03-07 Pass Stanztechnik Ag Mehrfachwerkzeug

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8702211U1 (de) * 1987-01-23 1987-04-02 C. Behrens Ag, 3220 Alfeld Blechbearbeitungsmaschine mit Werkzeugmagazin
DE8717398U1 (de) * 1987-06-24 1988-04-21 C. Behrens Ag, 3220 Alfeld Revolverschneidpresse
EP0396817A2 (de) * 1989-05-12 1990-11-14 Strippit, Inc. Drehbares Mehrfachwerkzeug für eine Stanzpresse
EP0560333A1 (de) * 1992-03-10 1993-09-15 RAINER S.r.l. Eine Stanzmaschine
US5522295A (en) * 1994-03-04 1996-06-04 Murata Machinery, Ltd. Rear address punch with turret frame
US5528968A (en) * 1994-04-14 1996-06-25 Murata Machinery, Ltd. Punch press with automated sheet rotation
EP0818253A2 (de) * 1996-07-12 1998-01-14 C. Behrens AG Revolverschneidpresse
EP1138411A2 (de) * 2000-03-30 2001-10-04 Tradewise Engineering Limited Modulare Einheit zum Umwandlen von Einfachstanzmaschinen in Mehrfachstanzmaschinen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1293258B1 (it) * 1997-07-22 1999-02-16 Rainer Srl Macchina per la lavorazione di lamiere.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8702211U1 (de) * 1987-01-23 1987-04-02 C. Behrens Ag, 3220 Alfeld Blechbearbeitungsmaschine mit Werkzeugmagazin
DE8717398U1 (de) * 1987-06-24 1988-04-21 C. Behrens Ag, 3220 Alfeld Revolverschneidpresse
EP0396817A2 (de) * 1989-05-12 1990-11-14 Strippit, Inc. Drehbares Mehrfachwerkzeug für eine Stanzpresse
EP0560333A1 (de) * 1992-03-10 1993-09-15 RAINER S.r.l. Eine Stanzmaschine
US5522295A (en) * 1994-03-04 1996-06-04 Murata Machinery, Ltd. Rear address punch with turret frame
US5528968A (en) * 1994-04-14 1996-06-25 Murata Machinery, Ltd. Punch press with automated sheet rotation
EP0818253A2 (de) * 1996-07-12 1998-01-14 C. Behrens AG Revolverschneidpresse
EP1138411A2 (de) * 2000-03-30 2001-10-04 Tradewise Engineering Limited Modulare Einheit zum Umwandlen von Einfachstanzmaschinen in Mehrfachstanzmaschinen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20091430A1 (it) * 2009-08-06 2011-02-06 Cimsa Srl Macchina punzonatrice perfezionata
CN116603924A (zh) * 2023-06-06 2023-08-18 台励富精密机械(江苏)有限公司 一种具有定位功能的机械加工用冲孔机
CN116603924B (zh) * 2023-06-06 2023-11-03 台励富精密机械(江苏)有限公司 一种具有定位功能的机械加工用冲孔机

Also Published As

Publication number Publication date
ES2246697A1 (es) 2006-02-16
ES2246697B1 (es) 2006-12-01
DE602005002676D1 (de) 2007-11-15
PT1595614E (pt) 2008-01-11
DE602005002676T2 (de) 2008-07-24
ATE374657T1 (de) 2007-10-15
EP1595614B1 (de) 2007-10-03

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