EP1932603A1 - Cintreuse pour tubes pour réaliser des tubes à méandres et procédé pour la fabrication de tubes à méandres - Google Patents

Cintreuse pour tubes pour réaliser des tubes à méandres et procédé pour la fabrication de tubes à méandres Download PDF

Info

Publication number: EP1932603A1
Authority: EP; European Patent Office
Prior art keywords: bending; pipe; tube; drive train; segment
Prior art date: 2006-12-12
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

EP06025676A

Other languages

German (de)

English (en)

Other versions

EP1932603B1 (fr

Inventor

Peter Reimann

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.)

Individual

Original Assignee

Individual

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.)

2006-12-12

Filing date

2006-12-12

Publication date

2008-06-18

2006-12-12 Application filed by Individual filed Critical Individual

2006-12-12 Priority to EP06025676A priority Critical patent/EP1932603B1/fr

2006-12-12 Priority to AT06025676T priority patent/ATE423639T1/de

2006-12-12 Priority to DE502006002973T priority patent/DE502006002973D1/de

2008-06-18 Publication of EP1932603A1 publication Critical patent/EP1932603A1/fr

2009-02-25 Application granted granted Critical

2009-02-25 Publication of EP1932603B1 publication Critical patent/EP1932603B1/fr

Status Not-in-force legal-status Critical Current

2026-12-12 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
- 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
- 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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
- B21D11/07—Making serpentine-shaped articles by bending essentially in one plane

Definitions

the invention relates to a pipe bending machine for meandering pipe courses, as used for example in the field of solar thermal energy as sun-irradiated, by a fluid to be heated by flowing Rohrmeander.
Other applications include underfloor heating, cooling ceilings or heat exchange registers.
Such tube bending machines usually have two to the tube caliber, i. the Rohrau . mismesser substantially adapted pipe bending segments, which are free to pivot relative to each other while leaving a bending die and specify the bending profile to be produced.
FIG. 7 On the market, a generic pipe bending machine is known as in FIG. 7 is shown as prior art.
this known pipe bending machine is driven by a toothed belt, not shown, long-toothed pivot pin used as the drive means 14 ', in which a pneumatically adjustable locking pin 15 'is mounted coaxially displaceable.
a pneumatically adjustable locking pin 15 ' is mounted coaxially displaceable.
One with the drive means 14 'rotatably connected pivot shaft 14 A' is designed as a rectangular block and also penetrated by the locking pin 15 '.
the pivot shaft 14A ' together with a guide housing 17', a bed, which a lateral, ie transversely oriented to the pivot shaft displacement (double arrow D) 'of the pivot shaft 14A' together with the drive means 14 'with the aid of a guide slot 17C' allows.
the rotational drive force (double arrow E ') on the guide housing 17' transferred, so that the entire guide housing 17 'is pivoted about the respective pivot axis about the respective drive axis.
the pivot shaft 14A ' can be locked to a base plate 17A' of the guide housing 17 'by the locking bolt 15' in one or the other sliding position, so that during the bending process no displacement between the guide housing 17 'and the pivot shaft 14A' can take place.
Coaxial with the guide bores 17B 'of the base plate 17A' are circular tube bending segments 12A 'and 12B' and their associated retaining pins 16A 'and 16B', respectively, and held relatively loosely in position relative to the guide housing 17 ', this position being maintained by the tapered free end of the guide Arresting pin 15 'is improved in the respective locking position.
the tube to be bent is guided by the bending die 12 'between the circumferential half-grooves of the tube bending segments 12A'. Accordingly, in the bending process, the pipe bending segment which is not in the locked position, ie eccentrically to the drive 14 ', pivots about the pipe bending segment coaxially oriented with the drive device 14' and mechanically connected in a straight line.
the invention has for its object to improve the bending behavior in a relatively simple construction of a generic pipe bending machine.
This object is achieved by a tube bending machine having the features of claim 1 or 2 and by a method having the features of claim 10. Accordingly, it is provided in terms of the tube bending machine in the core that the pivot axes of the drive means each Rohrbiegesegmentes are arranged in the zero position coaxial with the bending radius of the other Rohrbiegesegmehtes and the coaxiality is left during each bending cut.
the tube bending machine endlessly supplied, in itself straight tube feed strand is bendable once in a right bend and once in a left turn around the desired angle.
This angle is usually 180 °, so that the highest possible pipe density per clamped pipe surface is achieved.
the driven pivot axes of the two tube bending segments rotate in opposite directions during tube bending, wherein the one tube bending segment is in each case in its stationary to the drive shaft of the pivoting tube bending segment in a stationary, coaxial idle state. After each bending step, the previously pivoted tube bending segment is pivoted back to its zero position, the tube register preferably not displaced.
a coaxial with him holding pin is provided on the drive side for each tube bending segment.
the pipe holding pins of both pipe bending segments are connected by a respective pivotally connected to the pipe holding pin spacer element.
the first drive device has a rigid first pivot arm between its pivot shaft and the retaining pin of the first pipe bending element, an optimum pivoting force transmission is thereby achieved.
the second drive device has a rigid second pivot arm between its pivot shaft and the retaining pin of the second pipe bending element, which is rigidly connected to the pivot shaft of the second drive device, in particular by means of a clogging element, this results in a low-loss pivoting force transmission.
the second pivot arm has a recess for pivoting in and out of the first holding pin of the first pipe bending element, then a very small, extremely stable pipe bending head can be realized thereby.
a further disrupttechniksverêtung the pipe bending is achieved in that the pivot shafts of both pipe bending elements are pivotally mounted in a shaft holding body. This may include a distance variability of the two drive shafts
the first pivot arm has a recess for pivoting in and out of the Verkopfungsijns the second drive means.
the, z. B. when wearing the pipe bending elements or when changing to other pipe diameter or bending radii to be bent is required to simplify, consisting of two coupling points separation point between the pivot shafts, preferably the shaft holding body and the Schwenkkarmen provided.
a distance adjuster for the pivot shafts allows a centering of the bending die on the exit point of the pipe straight holder and thus a Rohrbiege37 improving adjustment.
the object with the features of claim 10 is achieved. Accordingly, it is provided to pivot the two pipe bending segments starting from a pipe feed aligned to the zero position alternately to the other pipe bending segment under bending of the pipe and after pivoting back (in Leerweg) of the initially bent under bending pipe bending segment the pipe on the pipe feed for the Next advance bending step sufficiently far and then to pivot the other pipe bending segment to the one pipe bending segment with simultaneous pipe bending back and then foundedzuschwenken back in the free path and to repeat this process for the production of further Rohrmeander.
a first pivot shaft 14A which is rotatable via the drive in an angle range between usually 0 ° and approximately 270 ° in both directions of rotation, is rotatably mounted in a shaft holding body 26 - as well as the drive train B, the pivot shaft 14B.
Spacers 26A, 26B allow the lateral spacing of the parallel aligned ones To change the pivot shafts 14A / 14B, be it for adjustment or for bending radius adjustment.
each drive train at a coupling point 24A and 24B is separable, so that the entire underlying bending head of the pipe bending machine can be replaced with another. This is required if the tube bending radii are to change.
the pivot shaft 14A is closed, e.g. As shown approximately at right angles to a pivot arm 20A, the rotatable with the pivot shaft 14A, if necessary, separable as an interface, connected and a recess 25A ', to release movement space for the yet to be explained Verkröpfungselement 22.
a retaining pin 16A which penetrates a spacer 18 in rotatable form and carries at its free end a first tube bending segment 12A.
the retaining pin 16A may be rotatably attached to the free end of the pivot arm 20A and the retaining pin 16A rotatably or rotatably support the first tube bending segment 12A at its free end.
the first (and also the second) tube bending segment 12A, 12B consist in the illustrated embodiment of a circular disc, each with a radially outer circumferential groove whose cross section corresponds in a known manner to be bent tube half diameter approximately.
the pivot shaft 14A of the drive train A and the retaining pin 16B of the drive train B are in the in Fig. 1 shown zero position of the pipe bending machine coaxial arranged. The same applies to the pivot shaft 14B of the drive train B and the holding pin 16A of the drive train A.
the operation is the following:
the drive train B becomes active, wherein the drive device 14 rotates the pivot shaft 14B by, for example, 180 °.
the Verkröpfungselement 22 moves into the recess 20A 'and the retaining pin 16B pivots the spacer member 18 together with the Rohrbiegesegmentes 12B in the counterclockwise direction by 180 ° around the Rohrbiegesegment 12A around and thus generates a 180 ° bend of the tube.
the strand B pivots back by the same angle until the tube bending segment 12B has returned to its illustrated zero position when viewed from above.
the tube to be bent can be further advanced through the bending die 12. This usually happens without rotation about the tube axis, but in principle can also be done with rotation about the tube axis.
a further bending operation in particular a left bend can be performed.
the drive device 14 pivots the pivot shaft 14A by a predetermined angle of, for example, 180 ° in the clockwise direction seen from above.
the retaining pin 16A pivots the spacer element 18 together with the tube bending segment 12B around the second tube bending segment 12B.
the drive train A travels in the free travel again by the bending angle in its zero position shown in the drawing. This completes a complete double bend cycle to produce a meander. This can be followed by further bending cycles in any way.
FIGS. 1 to 5 illustrate the in FIG. 6 illustrated device in a practical embodiment.
FIG. 1 illustrates the state of the pipe bending machine before the start of manufacturing a pipe mandrel 10 (see FIG. Fig. 3 ), wherein the bendable, in the direction of arrow C by a Rohrgeradehalter 28 displaceable tube is advanced as required by the bending die 12.
FIG. 2 It can be seen how the tube bending segment 12B, starting from the in FIG. 1 shown zero position, in a bent by 180 ° bending position (in the drawing in the clockwise direction) is pivoted about the remaining in position other tube bending segment 12A and thus bent the tube to be bent around the tube bending segment 12A according to the predetermined bending contour by 180 ° ,
FIG. 4 It is particularly clear how the two drive units 14 of the drive train A and B with respect to the shaft holding body 26 centered by Abstandversteller 26 A, 26 B with respect to the pipe straight holder 28 and can be adjusted in terms of spacing to produce larger or smaller Rohrbieger segments with other Rohrbiegesegmenten.
FIG. 5 and 6 shows, inter alia, how a tool change can take place at the coupling points 24A, 24B.
the pivot arms 20A, 20B of the pivot shafts 14A, 14B of the two drive trains A and B are separated.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Bending Of Plates, Rods, And Pipes (AREA)
Shaping Of Tube Ends By Bending Or Straightening (AREA)

EP06025676A 2006-12-12 2006-12-12 Cintreuse pour tubes pour réaliser des tubes à méandres et procédé pour la fabrication de tubes à méandres Not-in-force EP1932603B1 (fr)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
EP06025676A EP1932603B1 (fr)	2006-12-12	2006-12-12	Cintreuse pour tubes pour réaliser des tubes à méandres et procédé pour la fabrication de tubes à méandres
AT06025676T ATE423639T1 (de)	2006-12-12	2006-12-12	Rohrbiegemaschine zur herstellung von mäandrierenden rohrverläufen und verfahren zum herstellen mäandrierender rohrverläufe
DE502006002973T DE502006002973D1 (de)	2006-12-12	2006-12-12	Rohrbiegemaschine zur Herstellung von mäandrierenden Rohrverläufen und Verfahren zum Herstellen mäandrierender Rohrverläufe

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP06025676A EP1932603B1 (fr)	2006-12-12	2006-12-12	Cintreuse pour tubes pour réaliser des tubes à méandres et procédé pour la fabrication de tubes à méandres

Publications (2)

Publication Number	Publication Date
EP1932603A1 true EP1932603A1 (fr)	2008-06-18
EP1932603B1 EP1932603B1 (fr)	2009-02-25

Family

ID=37682889

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP06025676A Not-in-force EP1932603B1 (fr)	2006-12-12	2006-12-12	Cintreuse pour tubes pour réaliser des tubes à méandres et procédé pour la fabrication de tubes à méandres

Country Status (3)

Country	Link
EP (1)	EP1932603B1 (fr)
AT (1)	ATE423639T1 (fr)
DE (1)	DE502006002973D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20130025339A1 (en) *	2011-07-26	2013-01-31	Medtronic Vascular, Inc.	Apparatus and Method for Forming a Wave Form for a Stent from a Wire
DE102012019183A1 (de) *	2012-09-28	2014-04-03	Ulrich Zimmer	Vorrichtung zum Biegen von Rohrmaterial, insbesondere Bremsleitungen, Kraftstoffleitungen od. dgl., mit einem in Richtung der Rohrachse der ungebogenen Rohrleitung fahrbaren Biegeturms, mit einem Biegekopf, der sich um die Rohrachse dreht und ein Biegewerkzeug mit Radiusrollen, welche in einer Rohrachse ein links und rechts Rohrbiegen ermöglicht, ohne dass die Radiusrollen die Rohrachse verlassen und ohne zusätzliches Umrüsten und somit ohne Zeitverlust
CN113894190A (zh) *	2021-10-11	2022-01-07	马鞍山市润通重工科技有限公司	一种大套弯管设备及其实施方法
CN117483510A (zh) *	2023-12-21	2024-02-02	山东华烨不锈钢制品集团有限公司	一种不锈钢弯管用固定结构

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2125193A1 (en) *	1971-02-18	1972-09-29	Gol Sp Kon	Coiled tube mfr - by a high-performance machine employing two drive shafts
JPS4893571A (fr) *	1972-03-11	1973-12-04
DE2236898A1 (de)	1972-07-27	1974-02-07	Stiebel Eltron Gmbh & Co Kg	Biegevorrichtung mit biegerollen
DE2918813A1 (de) *	1979-05-10	1980-11-20	Brueninghaus Gmbh Stahlwerke	Vorrichtung zum biegen von metallstaeben
JPS6160218A (ja) *	1984-08-30	1986-03-27	Sanden Corp	蛇行パイプ製造装置
FR2685228A1 (fr) *	1991-12-23	1993-06-25	Automation Franc	Machine a cintrer un element du type tige, barre, tube, fil ou analogue.

2006
- 2006-12-12 AT AT06025676T patent/ATE423639T1/de active
- 2006-12-12 DE DE502006002973T patent/DE502006002973D1/de active Active
- 2006-12-12 EP EP06025676A patent/EP1932603B1/fr not_active Not-in-force

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2125193A1 (en) *	1971-02-18	1972-09-29	Gol Sp Kon	Coiled tube mfr - by a high-performance machine employing two drive shafts
JPS4893571A (fr) *	1972-03-11	1973-12-04
DE2236898A1 (de)	1972-07-27	1974-02-07	Stiebel Eltron Gmbh & Co Kg	Biegevorrichtung mit biegerollen
DE2918813A1 (de) *	1979-05-10	1980-11-20	Brueninghaus Gmbh Stahlwerke	Vorrichtung zum biegen von metallstaeben
JPS6160218A (ja) *	1984-08-30	1986-03-27	Sanden Corp	蛇行パイプ製造装置
FR2685228A1 (fr) *	1991-12-23	1993-06-25	Automation Franc	Machine a cintrer un element du type tige, barre, tube, fil ou analogue.

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20130025339A1 (en) *	2011-07-26	2013-01-31	Medtronic Vascular, Inc.	Apparatus and Method for Forming a Wave Form for a Stent from a Wire
US9296034B2 (en) *	2011-07-26	2016-03-29	Medtronic Vascular, Inc.	Apparatus and method for forming a wave form for a stent from a wire
US10518315B2 (en)	2011-07-26	2019-12-31	Medtronic Vascular, Inc.	Apparatus and method for forming a wave form for a stent from a wire
DE102012019183A1 (de) *	2012-09-28	2014-04-03	Ulrich Zimmer	Vorrichtung zum Biegen von Rohrmaterial, insbesondere Bremsleitungen, Kraftstoffleitungen od. dgl., mit einem in Richtung der Rohrachse der ungebogenen Rohrleitung fahrbaren Biegeturms, mit einem Biegekopf, der sich um die Rohrachse dreht und ein Biegewerkzeug mit Radiusrollen, welche in einer Rohrachse ein links und rechts Rohrbiegen ermöglicht, ohne dass die Radiusrollen die Rohrachse verlassen und ohne zusätzliches Umrüsten und somit ohne Zeitverlust
CN113894190A (zh) *	2021-10-11	2022-01-07	马鞍山市润通重工科技有限公司	一种大套弯管设备及其实施方法
CN113894190B (zh) *	2021-10-11	2024-04-30	马鞍山市润通重工科技有限公司	一种大套弯管设备及其实施方法
CN117483510A (zh) *	2023-12-21	2024-02-02	山东华烨不锈钢制品集团有限公司	一种不锈钢弯管用固定结构

Also Published As

Publication number	Publication date
DE502006002973D1 (de)	2009-04-09
EP1932603B1 (fr)	2009-02-25
ATE423639T1 (de)	2009-03-15

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