EP0650782B1 - Abkantpresse - Google Patents
Abkantpresse Download PDFInfo
- Publication number
- EP0650782B1 EP0650782B1 EP94115354A EP94115354A EP0650782B1 EP 0650782 B1 EP0650782 B1 EP 0650782B1 EP 94115354 A EP94115354 A EP 94115354A EP 94115354 A EP94115354 A EP 94115354A EP 0650782 B1 EP0650782 B1 EP 0650782B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bending
- stop
- accordance
- clamping
- rail
- 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 - Lifetime
Links
Images
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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/26—Stops
Definitions
- the invention relates to a press brake for folding Workpieces along a bending line with one in front of the Bending line located operating area, with a behind of the bend line, with a Drive for the lifting movement of a bending tool, with one the actuating stroke actuating device and a switch-on device for the Lift actuation device, with one in the stop area arranged stop device, the one by a controllable drive that can be moved perpendicular to the bending line
- Positionable rail has at least two Can be moved and positioned by hand along the rail and stop fingers which can be fixed by means of a clamping device are arranged.
- Such a press brake is see for example US-A-4089200.
- Press brakes are in a wide variety Embodiments known. As a rule, each one Press brake a backgauge on which the workpiece to be chamfered is created before folding to be able to carry out the fold precisely.
- This Back stops are in the X axis, i.e. in the level of Workpiece and perpendicular to the bending line, as well as in the R axis, i.e. perpendicular to the plane of the workpiece, adjustable. This adjustment must be manual in some embodiments be carried out and is with other press brakes Can be carried out by motor, pneumatically or hydraulically.
- Some Press brakes have one in addition to the backgauge Front stop and possibly even side stops on the the position of the workpiece in the operating area can be determined and may even be changeable.
- the backgauge is used either as one-piece stop bar or in the form of several individual Stop finger is formed.
- both Stop bar as well as the individual stop fingers either manually or using a suitable drive be adjusted.
- at one several individual back fingers existing backgauge the individual stop fingers in the Z axis, i.e. in the direction the bending line can be adjusted, and in particular can the distance between the individual stop fingers to each other to be changed. This can also be done either via a suitable drive or manually.
- the invention has for its object a press brake of the type mentioned in such a way that the Position of the individual stop fingers manually safe can be changed.
- This object is achieved in that a Locking device for releasing the clamping device is provided and that the anchor device in a Position can be moved in which the stop fingers over the Bending line in the operating area of the press brake protrude, and that in this position, the switch-on effective and the Locking device for releasing the clamping device are ineffective.
- the bending tool in its rest position and the Stroke actuator for the drive is through the Switch-on blocking device, which is switched on or effective is locked.
- the stop fingers can come out of the stop area across the bending line into the operating area are moved and are therefore more accessible to the Operator.
- the main advantage is that the operator to move the individual Stop fingers no longer across the bend line in the Stop area must grip, so that the press brake according to the invention the individual stop fingers can be safely moved manually. Since the Switch-on blocking device for the stroke actuating device is effective, there is no risk that the Bending tool performs a lifting movement while doing so Hazards or damage caused.
- a further development of the press brake according to the invention provides before that the clamping device is formed by a clamping piece when activated, the fingers with the rail jammed.
- This clamp is permanently activated and is only deactivated when the stop fingers touch the Overlap the bending line and at the same time the Lift actuation device for driving the bending tool is locked by the switch-on blocking device.
- the Jamming the finger with the splint is also ensures that every single stop finger Carrier feed movement.
- this Clamping piece at least one when activated against the rail and the stop finger pressing member or one corresponding section. This can be done easily Way the stop fingers are jammed with the rail.
- the clamping piece is one Air cylinder, a magnet or the like. Formed.
- This Compressed air cylinder is made by applying compressed air either tensioned or released, with a high level of security is obtained by e.g. by the force of a bias spring is biased and thereby the clamping effect is achieved with the air cylinder assumes its release position by pressurization.
- This can also be the case with a magnet, which then has the Applies clamping effect when it is de-energized and only when Applying a voltage that releases the clamp.
- the sprag can Applying a fluid in position and / or shape be changeable.
- the fluid can be either a gas or a gas Be liquid.
- Clamping piece made of a hose that can be filled with a fluid, e.g. a compressed air hose whose cross-sectional shape and / or the position of which can be changed by the internal pressure.
- a fluid e.g. a compressed air hose whose cross-sectional shape and / or the position of which can be changed by the internal pressure.
- the clamping effect can be achieved by applying e.g. With Compressed air.
- the Switch-on blocking device has a switch which Energy supply to the stroke actuating device is interrupted. This switch is usually permanently on and must be consciously switched off in order to supply energy to the Manufacture stroke actuating device.
- the Locking device for releasing the clamping device Has switch that the energy supply to release the Clamping device interrupts, here too the switch takes off permanently in a position in which he is supplying energy interrupts, the switch only then its Switch position changes if, as already mentioned at the beginning, the stop fingers overlap the bending line and the Switch-on blocking device for the stroke actuating device is activated.
- a release device for releasing the Clamping device provided, the locking device the Release device deactivated.
- the release of the clamping device is not manual be performed.
- the stop fingers can immediately after manually moved to deactivate the locking device become.
- FIG. 2 shows a perspective view of a Press brake, in particular a die press known Design type.
- This press brake designated a total of 20 has a frame which, for example.
- Two stands 1 and 2 includes, on which an upper beam 3 is guided.
- At least this lifting movement of the Press brake 20 is operated by a stroke actuation device 7 activated and controlled.
- On the upper cheek 3 is a holder 8 for a bending tool 9, e.g. one Bending die that interacts with a bending die 10.
- the Bending tool 9 is essentially as shown in FIG. 2 strip-shaped and the bending die 10 accordingly bar-shaped.
- control panel 25 also has a switch-on blocking device on which, if activated, the Stroke actuator 7 locked so that the drive 21 or the press cylinders 4 and 5 are not actuated can.
- the upper cheek 3 is then in the position in FIG. 2 shown location locked.
- the press brake 20 shown in FIG. 2 has one stop device 26 designed as a backgauge, which is not shown in Fig. 2, but in one other known press brake 20 shown in FIG. 3 is reproduced, is shown.
- This stop device 26 shown in FIG. 3 consists essentially of a rail 27 on the two Stop fingers 28 and 29 are arranged.
- This Stop fingers 28 and 29 are in the direction of arrows 30 represent the Z direction, movable on the rail 27.
- the stop fingers 28 and 29 extend in the direction of Bend line 23 and lie on the rear edge, i.e. at the edge of the workpiece located in the stop area 24 22 on. In this way, the position of the workpiece 22 in the direction of the X axis (arrow 31).
- Switch-on blocking device deactivated whereby the Stroke actuator 7 is unlocked so that at the actuation of the bending tool 9 a lifting movement in Direction of the double arrow 32 executes. It will Workpiece 22 folded on the bending line 23 and takes the position shown with a solid line. Away the bending tool 9 from the bending die 19, it falls Workpiece 22 in the direction of arrow 33 back to one support table, not shown.
- FIG. 1 shows a preferred embodiment of the Press brake 20 according to the invention with its individual Components shown.
- the support bracket 34 for the workpiece 22, which is the For clarity is not shown.
- the controller 25 Located in operating area 17 the support bracket 34 for the workpiece 22, which is the For clarity is not shown.
- Below the controller 25 is a two-hand / foot switch 35 with which the stroke actuating device 7 are activated can.
- One is located above the stop area 24 Hydraulic system 36 for the drive 21 of the upper beam 3 of the Bending tool 9.
- the stop device 26 is complete from the stop area 24 to the rear (left in FIG. 1) pulled out.
- the stop device 26 is shown in FIGS. 4 and 5 shown enlarged.
- This has a carriage 37 on a rail 38 which extends in the X direction, i.e. extends perpendicular to the bending line 23, is movable.
- the stop fingers 28, 29 can not workpiece 22 shown or in the direction of the bending line 23 be brought up.
- 4 are the stop fingers 28, 29 shown in a starting position in which they have completely retracted, i.e. with maximum distance lie to the bending line 23.
- Those designated 128, 129 Stop fingers are so far in the stop area 24 drove that they just did not reach the bending line 23 touch.
- the stop fingers designated 228, 229 are via a further drive 39, which e.g. a spindle 40 moved, in height, i.e. in the R direction.
- With 328, 329 designated stop fingers the only shown broken off are also in the R axis but shifted down.
- a stop finger is also shown at 428.
- This The stop finger 428 assumes position when it is from the operator in the Z axis (see Fig. 5) new to be positioned.
- the upper cheek is located 3 in their maximum upper position and the Stroke actuator 7 is on the Locking device locked, so that even untimely actuation of the two-hand / foot switch 35 no Bending stroke can take place.
- the fingers 28, 29 are on one Rail 27 slidably mounted so that when they are Position as indicated by reference number 428, take, can be repositioned. this happens manually.
- the stop fingers 28, 29 are via a clamping device 42, which is shown in FIG. 6, on the rail 27 fixed. Furthermore, it can be seen in Fig. 6 that the Stop fingers 28, 29 from a on the rail 27 attacking holding part 43 and a swing-out part 44 consists of a hinge 45 on the holding part 43 is attached. In the rest position shown in FIG. 6 is shown, the part 44 takes a horizontal position on. By pressurizing an expandable element 46, the part 44 can be pivoted upwards, as is indicated in Fig. 4.
- the stop finger 28, 29 takes its correct position on the Rail 27, then this is through the clamping device 42 fixed.
- a compressed air hose 47 is provided for this, which is formed in a substantially C-shaped Profile part 48 is arranged. Between the compressed air hose 47 and the upper leg of the profile part 48 engages Spring element 49 which e.g. via a screw on the holding part 43 the stop finger 28 is attached and its movement the rail 27 follows.
- the compressed air hose 47, the Profile part 48 and the spring element 49 form the Clamping device 42, the stop finger 28 on the Lock rail 27.
- the compressed air hose 47 pressurized with compressed air so that it inflates and that Spring element 49 between itself and the profile part 48 stuck. In this way, the stop finger 28 in fixed in position.
- This release device is one Locking device upstream that the release device activated or deactivated.
- the stop finger is located 28 in the position shown in FIG. 6, in which it overlaps the bending line 23, then the locking device ineffective, so that the compressed air from the release device blown off the compressed air hose 47 and thereby the Clamping effect can be canceled so that the Stop finger 28 on the rail 27 in the desired Position can be moved.
- the stroke actuator 7 for the Upper beam 3 blocked by the switch-on blocking device.
- the locking device for the release device is activated, so that after clamping the stop finger 28 in the desired position, the air from the compressed air hose 47 can no longer be blown off.
- the stop finger 28 is So only in the position in which he bends the 23rd overlaps, displaceable on the rail 27, the Clamping device 42 can be released so that the Spring element 49 between the compressed air hose 47 and the Profile part 48 is displaceable.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Braking Arrangements (AREA)
Description
- Figur 1
- eine Ansicht einer Ausführungsform einer erfindungsgemäßen Abkantpresse;
- Figur 2
- eine perspektivische Ansicht einer bekannten Abkantpresse;
- Figur 3
- einen Prinzipquerschnitt durch eine andere bekannte Abkantpresse;
- Figur 4
- einen Querschnitt durch die Abkantpresse gemäß Fig. 1;
- Figur 5
- eine Ansicht in Richtung des Pfeils V gemäß Fig. 4;
- Figur 6
- eine vergrößerte Wiedergabe eines Anschlagfingers im Querschnitt; und
- Figur 7
- eine Draufsicht auf den Anschlagfinger gemäß Fig. 6.
Claims (9)
- Abkantpresse (20) zum Abkanten von Werkstücken (22) längs einer Biegelinie (23) mit einem vor der Biegelinie (23) sich befindenden Bedienbereich (17), mit einem hinter der Biegelinie (23) sich befindenden Anschlagbereich (24), mit einem Antrieb (21) für die Hubbewegung eines Biegewerkzeugs (9), mit einer den Antrieb (21) aktivierenden Hubbetätigungseinrichtung (7) und einer Einschaltsperreinrichtung für die Hubbetätigungseinrichtung (7), mit einer im Anschlagbereich (24) angeordneten Anschlageinrichtung (26), die eine durch einen steuerbaren Antrieb senkrecht zur Biegelinie (23) verfahrbare und positionierbare Schiene (27) aufweist, an der wenigstens zwei längs der Schiene (27) von Hand verschiebbare und positionierbare und über eine Klemmeinrichtung (42) festlegbare Anschlagfinger (28,29) angeordnet sind, dadurch gekennzeichnet, daß eine Sperreinrichtung für das Lösen der Klemmeinrichtung (42) vorgesehen ist und daß die Anschlageinrichtung (26) in eine Position verfahrbar ist, in der die Anschlagfinger (28,29) über die Biegelinie (23) in den Bedienbereich (17) der Abkantpresse hineinragen, und daß in dieser Position die Einschaltsperreinrichtung wirksam und die Sperreinrichtung für das Lösen der Klemmeinrichtung (42) unwirksam sind.
- Abkantpresse nach Anspruch 1, dadurch gekennzeichnet, daß die Klemmeinrichtung (42) von einem Klemmstück gebildet wird, das bei Aktivierung die Anschlagfinger (28,29) mit der Schiene (27) verklemmt.
- Abkantpresse nach Anspruch 2, dadurch gekennzeichnet, daß das Klemmstück wenigstens ein bei Aktivierung gegen die Schiene (27) und die Anschlagfinger (28,29) pressendes Element oder einen entsprechenden Abschnitt aufweist.
- Abkantpressen nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß das Klemmstück von einem Druckluftzylinder oder einem Magnet gebildet wird.
- Abkantpresse nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß das Klemmstück durch Beaufschlagung durch ein Fluid in Lage und/oder Form veränderbar ist.
- Abkantpresse nach einem der Ansprüche 2, 3 oder 5 dadurch gekennzeichnet, daß das Klemmstück aus einem mit einem Fluid anfüllbaren Schlauch, z.B. einem Druckluftschlauch (47), besteht, dessen Querschnittsform und/oder dessen Lage durch den Innendruck veränderbar ist.
- Abkantpresse nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Einschaltsperreinrichtung einen Schalter aufweist, der die Energiezufuhr zur Hubbetätigungseinrichtung (7) unterbricht.
- Abkantpresse nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Sperreinrichtung für das Lösen der Klemmeinrichtung (42) einen Schalter aufweist, der die Energiezufuhr zum Lösen der Klemmeinrichtung (42) unterbricht.
- Abkantpresse nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Löseeinrichtung zum Lösen der Klemmeinrichtung (42) vorgesehen ist und daß die Sperreinrichtung die Löseeinrichtung deaktiviert.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9315209U | 1993-10-08 | ||
DE9315209U DE9315209U1 (de) | 1993-10-08 | 1993-10-08 | Abkantpresse |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0650782A1 EP0650782A1 (de) | 1995-05-03 |
EP0650782B1 true EP0650782B1 (de) | 2000-12-13 |
Family
ID=6899065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94115354A Expired - Lifetime EP0650782B1 (de) | 1993-10-08 | 1994-09-29 | Abkantpresse |
Country Status (5)
Country | Link |
---|---|
US (1) | US5501095A (de) |
EP (1) | EP0650782B1 (de) |
JP (1) | JP3012184U (de) |
AT (1) | ATE198058T1 (de) |
DE (2) | DE9315209U1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10163498C1 (de) * | 2001-12-21 | 2003-02-20 | Eht Werkzeugmaschinen Gmbh | Biegemaschine, insbesondere Gesenk- oder Abkantpresse, mit einem verstellbaren Unterwerkzeug |
CN102699653A (zh) * | 2012-05-22 | 2012-10-03 | 大明重工有限公司 | 一种多厚度金属板材拼焊折弯方法 |
US11267030B2 (en) | 2016-10-14 | 2022-03-08 | Trumpf Maschinen Austria Gmbh & Co. Kg | Backgauge for a bending machine and method for positioning a backgauge of this kind |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5657656A (en) * | 1995-12-29 | 1997-08-19 | Aeroquip Corporation | Automatic positioning system for a hose assembly and method therefor |
DE69722935T2 (de) * | 1996-08-05 | 2003-12-11 | Amada Co., Ltd. | Hintergauge |
US6082164A (en) * | 1998-01-24 | 2000-07-04 | Palmer; Steven E. | Method and apparatus for supporting and positioning a workpiece in relation to a machine |
ATE249293T1 (de) * | 2000-12-04 | 2003-09-15 | Trumpf Werkzeugmaschinen Gmbh | Maschine für die bearbeitung von werkstücken, insbesondere von blechen, mit wenigstens einer biegestation sowie wenigstens einer fügevorrichtung |
FR2825036B1 (fr) * | 2001-05-23 | 2003-09-19 | Amada Europ Sa | Presse plieuse pour toles, munie d'un dispositif mobile de butee |
CN100391641C (zh) * | 2006-03-20 | 2008-06-04 | 上海圣诺机床有限公司 | 可拆装组合式后定位结构 |
AT509857B1 (de) * | 2010-08-05 | 2011-12-15 | Trumpf Maschinen Austria Gmbh | Biegepresse mit einer werkteil-positionier- vorrichtung sowie ein verfahren zum betrieb |
AT510689B1 (de) * | 2011-03-07 | 2012-06-15 | Trumpf Maschinen Austria Gmbh | Verfahren zum positionieren eines werkstücks an einer abkantpresse |
ITVI20110331A1 (it) * | 2011-12-22 | 2013-06-23 | Codatto Internat S P A | Macchina industriale per la piegatura di elementi metallici piani |
CN102950203A (zh) * | 2012-10-27 | 2013-03-06 | 安徽多达皖晶新能源有限公司 | 一种加工外筒对合搭接口处的折弯机专用模具结构 |
AT514930B1 (de) * | 2013-12-04 | 2015-05-15 | Trumpf Maschinen Austria Gmbh | Hinteranschlageinheit für Biegemaschine |
TW201720640A (zh) * | 2015-12-08 | 2017-06-16 | 財團法人金屬工業研究發展中心 | 沖壓裝置及其沖壓方法 |
CN108326169A (zh) * | 2018-01-10 | 2018-07-27 | 邓瑜 | 一种箱包胚料双边四角同步折弯机 |
CN109108655B (zh) * | 2018-10-16 | 2024-02-23 | 珠海市艾森工匠科技有限公司 | 端子折弯机构及其折弯方法、汽车线圈绕线点焊流水线 |
CN110774307B (zh) * | 2019-12-31 | 2020-04-28 | 汇网电气有限公司 | 基于模块化机械臂的充气柜折弯生产线及模块联动方法 |
CN112742912B (zh) * | 2020-12-21 | 2022-06-03 | 南京斯伯克数控装备有限公司 | 一种高效的带有后挡料调节的折弯机 |
CN114192613B (zh) * | 2021-12-01 | 2022-10-25 | 湖南沁峰机器人有限公司 | 折弯机上下料装置 |
JP7386306B1 (ja) | 2022-10-13 | 2023-11-24 | 株式会社アマダ | 突き当て機構の動作制御方法、突き当て機構の動作制御プログラム及び突き当て機構の動作制御装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4089200A (en) * | 1976-08-18 | 1978-05-16 | Dynamics Research Corporation | Gaging system |
JPS5794428A (en) * | 1980-12-05 | 1982-06-11 | Hitachi Ltd | Back gauge device for press brake |
CA1181673A (en) * | 1980-12-09 | 1985-01-29 | Naoaki Itano | Bending press |
US4411150A (en) * | 1981-10-21 | 1983-10-25 | Houdaille Industries, Inc. | Backgauge structure |
US4494312A (en) * | 1982-09-07 | 1985-01-22 | Hurco Manufacturing Co., Inc. | Press brake gauging apparatus |
DE3739949C1 (en) * | 1987-11-25 | 1989-03-16 | Hewlett Packard Gmbh | Stop device for a plate-bending machine |
JP2849428B2 (ja) * | 1990-01-24 | 1999-01-20 | 株式会社アマダ | 板材加工装置のバックゲージ装置 |
JPH04190924A (ja) * | 1990-11-26 | 1992-07-09 | Mitsubishi Electric Corp | プレス装置 |
DE4109028A1 (de) * | 1991-03-20 | 1992-09-24 | Peddinghaus Rolf | Vorrichtung zum positionieren von werkstuecken |
-
1993
- 1993-10-08 DE DE9315209U patent/DE9315209U1/de not_active Expired - Lifetime
-
1994
- 1994-09-29 DE DE59409607T patent/DE59409607D1/de not_active Expired - Lifetime
- 1994-09-29 EP EP94115354A patent/EP0650782B1/de not_active Expired - Lifetime
- 1994-09-29 AT AT94115354T patent/ATE198058T1/de active
- 1994-10-07 US US08/319,813 patent/US5501095A/en not_active Expired - Lifetime
- 1994-10-07 JP JP1994012369U patent/JP3012184U/ja not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10163498C1 (de) * | 2001-12-21 | 2003-02-20 | Eht Werkzeugmaschinen Gmbh | Biegemaschine, insbesondere Gesenk- oder Abkantpresse, mit einem verstellbaren Unterwerkzeug |
US7260974B2 (en) | 2001-12-21 | 2007-08-28 | Trumpf Maschinen Austria Gmbh & Co Kg | Bending machine, especially bending or folding press, comprising an adjustable lower tool |
CN102699653A (zh) * | 2012-05-22 | 2012-10-03 | 大明重工有限公司 | 一种多厚度金属板材拼焊折弯方法 |
CN102699653B (zh) * | 2012-05-22 | 2016-04-20 | 大明重工有限公司 | 一种多厚度金属板材拼焊折弯方法 |
US11267030B2 (en) | 2016-10-14 | 2022-03-08 | Trumpf Maschinen Austria Gmbh & Co. Kg | Backgauge for a bending machine and method for positioning a backgauge of this kind |
Also Published As
Publication number | Publication date |
---|---|
JP3012184U (ja) | 1995-06-13 |
EP0650782A1 (de) | 1995-05-03 |
DE9315209U1 (de) | 1995-02-16 |
US5501095A (en) | 1996-03-26 |
DE59409607D1 (de) | 2001-01-18 |
ATE198058T1 (de) | 2000-12-15 |
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