EP0759332B1 - CNC-gesteuerte Rohrbiegemaschine - Google Patents
CNC-gesteuerte Rohrbiegemaschine Download PDFInfo
- Publication number
- EP0759332B1 EP0759332B1 EP96111973A EP96111973A EP0759332B1 EP 0759332 B1 EP0759332 B1 EP 0759332B1 EP 96111973 A EP96111973 A EP 96111973A EP 96111973 A EP96111973 A EP 96111973A EP 0759332 B1 EP0759332 B1 EP 0759332B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bending
- pipe
- supporting rail
- slide rail
- height
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/021—Construction of forming members having more than one groove
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
Definitions
- the invention relates to a CNC-controlled pipe bending machine and in particular the drive for the height adjustment the slide rail.
- a CNC controlled pipe bending machine of which the The preamble of claim 1 is based, for example known from DE 33 27 509 A1.
- Pipe bending machines of this type have a bending template, against which the pipe is pressed with a jaw. By simultaneous turning of the bending template with the clamping jaw the tube is bent around the bending template.
- the Bending template can be designed as a multiple bending template be, template parts with different Bending radii are arranged one above the other. In such Cases is also the jaw as a multiple jaw trained and for each of the superimposed Bending planes is a separate slide or a section of a multiple slide rail is provided.
- a pipe bending machine is known in which the slide rail is height adjustable.
- the slide rail is height adjustable.
- For Height adjustment of the slide rail is a screw bolt provided that can be rotated around the slide rail raise or lower.
- the slide can also in Longitudinal direction of the pipe to be bent. Also here the adjustment of the slide rail requires one considerable workload.
- the invention has for its object a CNC-controlled Pipe bending machine in the preamble of claim 1 specified type in such a way that the setting up and Commissioning of the machine, especially when changing the Bending tools can be simplified.
- the pipe bending machine is for the Height adjustment of the slide rail is a continuously positioning Drive device provided by the control device is controlled from.
- the drive device e.g. one Contains a stepper motor that takes very small steps, which in this context are not considered stages are considered.
- the height data for the setting of the slide rail are controlled by the control device that runs the entire process the pipe bending machine controls delivered.
- This control device contains, for example an input device (i.e. keyboard) which the height value can be entered manually.
- a control device Tool data set or an identification of the used Enter slide rail contains the control device for the relevant tool group or required for the relevant slide rail Height setting saved. This saved Value becomes dependent on the tool data set or the identification is output to the drive device, to effect the height adjustment.
- In the Height adjustment can also be the relevant one Machine construction or the type of pipe bending machine be taken into account.
- the invention is for setting up the Pipe bending machine significantly reduced the time required.
- a very important advantage is that the Slide rail carrier or the slide rail an additional Clamping element can be mounted.
- This tensioning element always takes the pipe the same. So far there have been Clamping elements only on bending machines with a single one Bending plane usable. Now with machines, which have several bending levels, the same bending quality in terms of wall thickness rejuvenation, ovality and sheet quality can be achieved, as is the case with bending machines was possible with a single bending plane.
- the pipe bending machine has a machine bed 10, on which a transport carriage 11 along a guide 12 is horizontally movable in the longitudinal direction.
- the dolly 11 carries a clamping device 13 for clamping of the pipe to be bent 14.
- the dolly 11 can in addition to its movement along the guide 12 also horizontally in the transverse direction of the tube 14 set and moved in the height direction.
- the tube 14 is placed laterally on the bending template 15, which is rotatable about a vertical axis.
- the Bending template 15 has a bending groove on its circumference 16, which takes up about half the circumference of the tube 14.
- Coaxial with the bending template 15 is a Swivel arm 17 mounted, which carries a clamping jaw 18, which by a piston-cylinder unit 19 against the Bending template 15 is pressed.
- the clamping jaw 18 contains a bending groove to hold the other half the pipe circumference.
- the Clamping jaw 18 pressed against the bending template 15 and then bending template 15 and swivel arm 17 are common rotated or pivoted about its axis, the Tube around the bending template.
- All control processes of the pipe bending machine are numerically controlled by the control device 22 and coordinated with each other. This does not only apply to the Sequence of movements of tube bending, but also for that Setting up the positions of the trolley 11, the Bending tools and the rotation and actuation of the Adapter sleeve 13.
- the bending template 15 contains a plurality of bending grooves 16a, 16b, 16c in different one above the other arranged bending planes.
- the diameter of the bending grooves are on the diameter of the pipe to be machined Voted. This means that for pipes with a larger or smaller diameter the bending template 15 is replaced.
- the slide rail support 25 has a vertical spindle 26 on the spindle nut of a holder 27, on which the slide rail 20 is interchangeably attached.
- the spindle 26 is driven by a drive device 28 rotated.
- This drive device has a hydraulic motor 29 with a CNC-controlled output shaft on a synchronous belt drive via a gear 29a 30 drives the spindle 26.
- the synchronous belt drive 30 is on the upper end of the slide rail support 25 as a cantilever jib projecting sideways attached, on the free end of the hydraulic motor 29th is fixed to the gear 29a.
- a sensor in the form of a rotation angle encoder 29b provided the position signals of the holder 27 to the control unit 22. This actuates then the hydraulic motor 29 in such a way that the holder 27 exactly to the one specified by the control device Desired position of the slide rail 20 is moved.
- a feedback control can be considered Drive motor
- a stepper motor can be provided which is actuated in small increments. The The number of step pulses then provides information about the Height that the holder 27 occupies.
- the slide rail support 25 is on a slide 31 stored, which is transverse to the longitudinal direction of the slide rail 20 is movable against the slide rail to press the tube 14.
- This carriage 31 is from a piston-cylinder unit 32 which drives a support device firmly connected to the machine bed 33 is supported.
- the carrying device 33 has guide rails 34 for the linear guidance of the Sled 31 on.
- the carriage 31 is also with a piston-cylinder unit 35 provided that parallel to the slide rail 20th is aligned and with its piston rod 36 on the Slide rail support 25 attacks to make it parallel to Move tube 14.
- the piston-cylinder unit 35 forms a feed drive around the slide rail 20 let go with the pipe during the bending process, or even a feed force on the slide rail exercise.
- a tensioning element 37 is attached to the slide rail 20, which together with the slide rail the tube 14 tightly encloses and clamps so that the feed force the force exerted by the piston-cylinder unit 36 is applied via the slide rail 20 to the tube 14 transmits and the tube relative to the slide rail 20 can not move.
- the drive device 28 effects a stepless positioning the slide rail 20 depending on Signals provided by the controller 22 become.
- the controller 22 When changing the bending template 15, it can occur that the bending planes, i.e. the horizontal Middle planes of the bending grooves in the new bending template have a different height than the previously used Bending template. If the control device Data of the bending template used are communicated, the control device determines the working height which the slide rail 20 must be driven and monitored compliance with this working height.
- the invention is also applicable when the bending template has only one bending groove.
- Bending templates can be used in the respective bending plane Vary the height from template to template. If the Control device information about the type of receives the respective bending template, it sets them automatically the height of the associated slide rail 20 accordingly on. This also becomes the one for setting up the pipe bending machine required considerable time decreased.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Description
- Fig. 1
- eine generelle perspektivische Darstellung einer Rohrbiegemaschine,
- Fig. 2
- eine Stirnansicht der Biegeschablone und der die Gleitschiene haltenden Vorrichtung und
- Fig. 3
- eine Draufsicht von Fig. 2.
Claims (3)
- CNC-gesteuerte Rohrbiegemaschine mit einer von einem Antrieb drehbaren Biegeschablone (15), einer das Rohr (14) gegen die Biegeschablone (15) drückenden Spannbacke (18), einer an dem ungebogenen Rohrabschnitt angreifenden, an einem Gleitschienenträger (25) parallel zur Drehachse der Biegeschablone (15) höhenverstellbaren Gleitschiene (20), einem die Gleitschiene (20) während des Biegevorganges in Längsrichtung verschiebenden Vorschubantrieb (35) und einer den Biegevorgang steuernden Steuereinrichtung (22),
dadurch gekennzeichnet,
daß für die Höheneinstellung der Gleitschiene (20) eine stufenlos positionierende Antriebseinrichtung (28) vorgesehen ist, die die Gleitschiene (20) auf eine von der Steuereinrichtung (22) vorgegebene Höhe einstellt, und daß die Steuereinrichtung (22) die Höhe der Gleitschiene entsprechend einem ihr eingegebenen Werkzeugdatensatz oder einer Identifikation der verwendeten Gleitschiene vorgibt. - Rohrbiegemaschine nach Anspruch 1, dadurch gekennzeichnet, daß die Antriebseinrichtung (28) für die Höheneinstellung der Gleitschiene (20) ein Spindelantrieb (26) mit kontinuierlicher linearer Positionserfassung ist.
- Rohrbiegemaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß bei mehreren übereinander angeordneten Biegeebenen der Biegeschablone (15) und der Spannbacke (18) an der Gleitschiene (20) ein das Rohr (14) festspannendes Spannelement (37) vorgesehen ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19530805 | 1995-08-22 | ||
| DE19530805A DE19530805A1 (de) | 1995-08-22 | 1995-08-22 | CNC-gesteuerte Rohrbiegemaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0759332A1 EP0759332A1 (de) | 1997-02-26 |
| EP0759332B1 true EP0759332B1 (de) | 2000-10-18 |
Family
ID=7770067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96111973A Expired - Lifetime EP0759332B1 (de) | 1995-08-22 | 1996-07-25 | CNC-gesteuerte Rohrbiegemaschine |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5689988A (de) |
| EP (1) | EP0759332B1 (de) |
| CA (1) | CA2182329C (de) |
| DE (2) | DE19530805A1 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302174A (zh) * | 2013-07-06 | 2013-09-18 | 苏州创见自动化科技有限公司 | 一种数控铜管弯折机 |
| CN104550364A (zh) * | 2015-01-08 | 2015-04-29 | 成都群侠科技有限公司 | 一种新型数控化控制的气动弯管机装置 |
| CN107716650A (zh) * | 2017-11-29 | 2018-02-23 | 济南大正东智车用管路有限公司 | 一种钢管弯曲机 |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2774317B1 (fr) | 1998-01-30 | 2000-04-07 | Silfax | Machine a cintrer les tubes et son dispositif a barillet |
| EP0990471A1 (de) * | 1998-09-30 | 2000-04-05 | FABBRICA MACCHINE CURVATUBI CRIPPA AGOSTINO S.p.A. | Biegemaschine |
| DE10130937C1 (de) | 2001-06-27 | 2003-01-30 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zur Ermittlung der Raumgeometrie eines gebogenen Strangprofils |
| DE50304940D1 (de) * | 2003-03-15 | 2006-10-19 | Trumpf Werkzeugmaschinen Gmbh | Biegeeinrichtung mit Mehrniveaubiegewerkzeug sowie Spannbacken-und Gleitschienenstützeinheit für eine derartige Biegeeinrichtung |
| DE102005058168B4 (de) * | 2005-12-05 | 2009-08-06 | Benteler Automobiltechnik Gmbh | Gleitschiene für eine Biegemaschine |
| US7254972B1 (en) * | 2006-06-28 | 2007-08-14 | Chia Sheng Machinery Co., Ltd. | Moving mold mechanism of a pipe bending machine |
| US7380430B1 (en) * | 2007-03-16 | 2008-06-03 | Christopher J. Rusch | Rotary draw tube bender |
| US7360385B1 (en) * | 2007-04-17 | 2008-04-22 | Gm Global Technology Operations, Inc. | Quick change bend tooling bolster |
| FR2915410B1 (fr) * | 2007-04-24 | 2009-06-12 | Jaubjaub Consulting Sarl | Machine a cintrer un profile selon deux sens de cintrage. |
| US9283605B2 (en) | 2010-05-05 | 2016-03-15 | Greenlee Textron Inc. | Pivoting conduit bender |
| FR3001163B1 (fr) * | 2013-01-21 | 2015-05-01 | Eaton Leonard Europ | Dispositif de cintrage de profiles tels que des tubes |
| CN103406406B (zh) * | 2013-07-16 | 2015-06-10 | 和和机械(张家港)有限公司 | 一种弯管机转模结构 |
| ES2672243T3 (es) * | 2013-08-01 | 2018-06-13 | Addisonmckee, Inc. | Sistema de tensión de barra de acoplamiento |
| CN104722617A (zh) * | 2015-03-09 | 2015-06-24 | 安徽中鼎金亚汽车管件制造有限公司 | 一种汽车油管压制机 |
| CN105499342B (zh) * | 2016-01-13 | 2018-04-17 | 浙江同星制冷有限公司 | 一种一管式高效换热器用自动弯管装置 |
| CN106270058B (zh) * | 2016-08-26 | 2018-05-18 | 北京星航机电装备有限公司 | S形连续弯导管成形方法及其装置 |
| CN114309169B (zh) * | 2022-01-06 | 2022-12-16 | 泰州市长征冷机管件有限公司 | 一种冰箱压缩机连接管压弯加工装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1527319A1 (de) * | 1963-09-10 | 1971-10-28 | Harten Geb Boers Gertrud Van | Rohrbiegemaschine zur Kaltverformung von Rohren |
| US4495788A (en) * | 1982-08-02 | 1985-01-29 | Eaton-Leonard Corporation | Multiple curvature bender |
| DE3471892D1 (en) * | 1983-03-26 | 1988-07-14 | Schwarze Rigobert | Tube bending machine |
| US4485658A (en) * | 1983-05-31 | 1984-12-04 | Stewart A K | Carriage assembly for a tube bending machine |
| DE3516923A1 (de) * | 1985-05-10 | 1986-11-13 | Rigobert Dipl.-Ing. 5000 Köln Schwarze | Rohrbiegemaschine |
| DE3616302A1 (de) * | 1986-05-14 | 1987-11-19 | Schwarze Rigobert | Rohrbiegemaschine |
| DE4129478A1 (de) * | 1991-09-05 | 1993-03-11 | Schwarze Rigobert | Verfahren zur steuerung einer rohrbiegemaschine |
| US5343725A (en) * | 1993-07-07 | 1994-09-06 | Eagle Precision Technologies Inc. | Tube bending apparatus and method |
| JP2991027B2 (ja) * | 1994-02-15 | 1999-12-20 | 住友金属工業株式会社 | 熱交換器およびその熱交換器用uベンド管の製造に用いる管曲げ方法 |
-
1995
- 1995-08-22 DE DE19530805A patent/DE19530805A1/de not_active Withdrawn
-
1996
- 1996-07-25 DE DE59606009T patent/DE59606009D1/de not_active Expired - Fee Related
- 1996-07-25 EP EP96111973A patent/EP0759332B1/de not_active Expired - Lifetime
- 1996-07-29 US US08/688,107 patent/US5689988A/en not_active Expired - Lifetime
- 1996-07-30 CA CA002182329A patent/CA2182329C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302174A (zh) * | 2013-07-06 | 2013-09-18 | 苏州创见自动化科技有限公司 | 一种数控铜管弯折机 |
| CN104550364A (zh) * | 2015-01-08 | 2015-04-29 | 成都群侠科技有限公司 | 一种新型数控化控制的气动弯管机装置 |
| CN107716650A (zh) * | 2017-11-29 | 2018-02-23 | 济南大正东智车用管路有限公司 | 一种钢管弯曲机 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59606009D1 (de) | 2000-11-23 |
| CA2182329A1 (en) | 1997-02-23 |
| US5689988A (en) | 1997-11-25 |
| EP0759332A1 (de) | 1997-02-26 |
| DE19530805A1 (de) | 1997-02-27 |
| CA2182329C (en) | 2006-10-03 |
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