EP3525951A1 - Formpresse mit biegeschwert - Google Patents
Formpresse mit biegeschwertInfo
- Publication number
- EP3525951A1 EP3525951A1 EP17783484.3A EP17783484A EP3525951A1 EP 3525951 A1 EP3525951 A1 EP 3525951A1 EP 17783484 A EP17783484 A EP 17783484A EP 3525951 A1 EP3525951 A1 EP 3525951A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bending
- support member
- press according
- molding press
- pivoting
- 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
Links
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
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
- B21D5/015—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments for making tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0815—Making tubes with welded or soldered seams without continuous longitudinal movement of the sheet during the bending operation
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
- B21D37/06—Pivotally-arranged tools, e.g. disengageable
-
- 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
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
Definitions
- the invention relates to a molding press according to the preamble of claim 1.
- De 102 32 098 A1 describes a molding press for the production of pipes from metal sheets, in which a bending load is received via a rotary joint on a top beam. As a result, the bending rate can dodge by a certain angle, which is advantageous in some molding operations.
- a support member with adjustable variable support force a guide is provided, which can be switched tight or soft when needed. This allows a behavior of the bending load value optimized for different forming processes.
- a bending rate in the sense of the invention is a substantially prismatically shaped forming tool in the longitudinal direction, which in a vertical vertical direction mostly has a narrow cross-section.
- a molding press according to the invention is preferably but not necessarily used for the manufacture of pipes from sheet metal panels. The metal sheet is bent around the longitudinal direction by means of the bending load value and the lower tool over its entire length. Different sections of the forming process can be optimized by each adjustment of the pivotability of the sword.
- a support member in the sense of the invention is understood to mean any component which exerts a force or a torque directed transversely to the longitudinal direction on the bending stock. The support member does not have to act directly on the bending bar, but may preferably act on a structure holding the bending bar.
- the support member comprises at least one hydraulic cylinder.
- the support member comprises at least two oppositely acting hydraulic cylinder.
- the design as a hydraulic cylinder is generally a simple adjustable and infinitely variable support force allows.
- a generally existing hydraulic system for driving the molding press also allows a simple and cost-effective connection of a hydraulic support member.
- the support member are conceivable, for example, mechanical springs in conjunction with a locking means for selectable determination of the bending load. If necessary, the springs can be designed to be pretensionably adjustable in order to allow additional variability of the supporting force.
- the upper beam is pivotable together with the bending rod. This allows a simple or conventional construction of the bending load value or of the upper tool. This is also a quick and cost-effective change of the bending load value connected, which optionally existing bending swords conventional presses can be used.
- the bending rate at least one guide column is arranged with a guide, wherein the pivoting of the bending load value takes place around the guide.
- the support member engages the guide column. This allows in a simple way of applying force to the bending rate regardless of its working position.
- the guide column is movable together with the upper beam by one working stroke of a drive cylinder in a forming direction.
- the bending rate is held rigidly in at least one mode by the support member.
- a rigid support is understood that the bending load no intentional pivoting occurs when usual forming forces more.
- Such an operating mode corresponds with respect to the behavior of the bending rate of a conventional molding press with rigid recording of the bending load.
- the support member in at least one mode exerts a restoring force on the bending bar, which increases monotonically with a pivoting from a neutral position.
- the movement of the bending rate can be optimally adapted to a forming process.
- Greater deflections of the bending load value from a neutral position thus result in greater restoring forces, whereas the bending rate is movable approximately freely about the longitudinal axis for small pivoting movements.
- a force-deflection curve can be specified by a corresponding, for example, hydraulic, support member, so that the forming process is further optimized.
- FIG. 1 shows a molding press according to the invention in a first sectional view in a first part of a forming process.
- Fig. 2 shows the molding press of Fig. 1 in a second part of the forming process.
- the molding press according to the invention shown in Fig. 1 comprises a stationary frame 1, in which a lower beam 2 and a top beam 3 are arranged.
- the lower beam 2 is fixedly arranged on the cream 1 and holds a lower tool 2a.
- the upper beam 3 is arranged to be movable relative to the frame 1 and holds an upper tool in the form of a bending rate value 4.
- the bending rate 4 and the lower tool 2a extend essentially prismatically in a longitudinal direction perpendicular to the plane of the drawing.
- the use of the molding press is preferably in the production of non-seamless tubes made of metal sheets 5.
- the bending rate acts in the longitudinal direction uniformly on the metal sheet 5, so that the metal sheet is bent or deformed over its entire length about the longitudinal direction.
- the upper beam 3 is connected to a guide column 6.
- the guide column 6 extends in a substantially vertical vertical direction. It has in a lower region a guide 7 in the form of protruding in a transverse direction calotte.
- the calottes 7 are supported against guide plates 8 which are fixedly mounted on the frame 1.
- the guide 7 allows both a movement of the guide column 6 in the vertical direction and a pivoting about the longitudinal direction.
- a geometric pivot axis coincides with the longitudinal direction and extends substantially in the middle between the calotte 7.
- With the guide column 6 are also the top bar 3 and the bending bar 4 are pivotable about the pivot axis.
- the position of the pivot axis in the vertical direction changes according to the position of the bending load value.
- the molding press is shown in a further sectional plane.
- the sectional plane runs parallel thereto, but offset in the longitudinal direction to the sectional plane of FIG. 1.
- In this level is a frame-mounted drive cylinder 9, which engages via a coupling member 9b on the upper beam 3.
- the drive cylinder acts in the vertical direction or deformation direction of the molding press.
- a piston 9a of the drive cylinder 9 can be hydraulically moved in both directions, so that both a downward working stroke and a retraction of the piston 9a or upper beam 3 or bending rate value 4 by the drive cylinder 9 is effected.
- the coupling member 9b can be loaded both in the pushing direction and in the pulling direction.
- a support for example by means of a dome, so that on the one hand large forces are transferable and on the other hand, the pivoting of the upper beam 3 relative to the drive cylinder 9 is made possible.
- the pivoting of the bending load value 4 from a center position or neutral position shown in the drawings can be opposed by means of a Stitzgliedsl O an adjustable variable support force.
- the support member comprises a first hydraulic cylinder 10 a, which acts in the transverse direction on the guide column 6.
- a second hydraulic cylinder 10b engages in the opposite direction to the guide column 6.
- a pivoting of the bending load value 4 thus acts on one of the hydraulic cylinders 10a, 10b, so that this exerts a counterforce or an opposing moment on the bending rate 4, depending on the hydraulic loading.
- Support surfaces of the hydraulic cylinders 10a, 10b are slidable with respect to the vertical direction on the guide column 6, so that the guide column 6 with respect to the acting support member 10 remains movable in the vertical direction.
- at least two operating modes are preferably provided:
- the drive cylinder 9 may also be designed as a pure push cylinder, so that the coupling member 9b must not be designed to train loaded. Accordingly, further return cylinders are provided, which reset the upper bar 3 and the bending bar 4 against the forming direction.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016219706.1A DE102016219706A1 (de) | 2016-10-11 | 2016-10-11 | Formpresse mit Biegeschwert |
| PCT/EP2017/075936 WO2018069391A1 (de) | 2016-10-11 | 2017-10-11 | Formpresse mit biegeschwert |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3525951A1 true EP3525951A1 (de) | 2019-08-21 |
| EP3525951B1 EP3525951B1 (de) | 2020-12-09 |
Family
ID=60080812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17783484.3A Active EP3525951B1 (de) | 2016-10-11 | 2017-10-11 | Formpresse mit biegeschwert |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3525951B1 (de) |
| KR (1) | KR102213572B1 (de) |
| CN (1) | CN109803772B (de) |
| DE (1) | DE102016219706A1 (de) |
| RU (1) | RU2724344C1 (de) |
| WO (1) | WO2018069391A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN218925784U (zh) * | 2022-12-15 | 2023-04-28 | 青岛嘉恒新能源设备有限公司 | 一种金字塔结构超大型特厚壁直缝焊管jco成型机 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3845655A (en) * | 1972-09-18 | 1974-11-05 | Widder Corp | Press brakes |
| DE2911901C2 (de) * | 1979-03-27 | 1987-04-23 | G. Siempelkamp Gmbh & Co, 4150 Krefeld | Vorrichtung zum Biegen von Blechzuschnitten |
| FI74414C (fi) * | 1980-08-18 | 1988-02-08 | Sl Tuotanto Oy | Anordning foer framstaellning av ett metallroer. |
| JPH05305343A (ja) * | 1992-04-24 | 1993-11-19 | Anritsu Corp | プレス機械の金型装置 |
| DE4226402C2 (de) * | 1992-08-10 | 1994-06-01 | Althaus P Gerhard Dr Ing | Verfahren zur Herstellung von langen dickwandigen Rohren durch Biegen aus einer Metallplatte und Vorrichtung zur Ausführung des Verfahrens |
| DE4409680A1 (de) * | 1994-03-17 | 1995-09-21 | Mannesmann Ag | Rohrbiegepresse zur Herstellung von Schlitzrohren aus Blechtafeln |
| DE4410105A1 (de) * | 1994-03-21 | 1995-09-28 | Mannesmann Ag | Rohrbiegepresse zur Herstellung von Schlitzrohren aus Blechtafeln |
| KR960007488A (ko) * | 1994-08-08 | 1996-03-22 | 강신제 | 소성 처리에 의한 모자이크 인조석군의 제작방법 |
| JP2808083B2 (ja) * | 1994-11-14 | 1998-10-08 | 丸機械工業株式会社 | 折曲げ型 |
| JP2932961B2 (ja) * | 1994-12-27 | 1999-08-09 | 村田機械株式会社 | 曲げ機械における自動型幅変更装置 |
| KR100354720B1 (ko) | 2000-05-25 | 2002-09-30 | 박홍순 | 컷팅블레이드용 절곡장치 |
| DE10232098B4 (de) | 2002-07-15 | 2004-05-06 | Sms Meer Gmbh | Vorrichtung zum Herstellen von Rohren aus Blechtafeln |
| FR2854097B1 (fr) * | 2003-04-25 | 2005-08-05 | Amada Europ Sa | Commande automatique des intermediaires d'une presse plieuse |
| JPWO2009141865A1 (ja) | 2008-05-20 | 2011-09-22 | 水河 末弘 | 板折り曲げ方法、折り曲げ角検出装置、および、制御プログラムを記録したコンピュータ読取可能なプログラム記録媒体 |
| DE102010037534A1 (de) * | 2010-09-14 | 2012-03-15 | Thyssenkrupp Steel Europe Ag | Vorrichtung und Verfahren zur Herstellung von zumindest teilweise geschlossenen Hohlprofilen mit drehbaren Gesenkhälften und geringer Taktzeit |
| DE102011104535B3 (de) * | 2011-06-18 | 2012-04-12 | Kraussmaffei Technologies Gmbh | Führungsschuh für eine Führungsvorrichtung einer Schließeinheit einer Kunststoffverarbeitungsmaschine |
| RU131658U1 (ru) * | 2012-11-29 | 2013-08-27 | Открытое акционерное общество "Совместное предприятие "Донпрессмаш" | Листогибочный пресс |
| JP5937958B2 (ja) * | 2012-12-06 | 2016-06-22 | 大同マシナリー株式会社 | 金属板の曲げ加工装置および曲げ加工方法 |
| DE102014116192B4 (de) * | 2014-11-06 | 2025-07-17 | Siempelkamp Maschinen- Und Anlagenbau Gmbh | Rohrbiegepresse |
| KR101554566B1 (ko) | 2015-01-29 | 2015-09-21 | 주식회사 일우산업기계 | 다기능 절곡기의 복합 금형 장치 |
-
2016
- 2016-10-11 DE DE102016219706.1A patent/DE102016219706A1/de not_active Withdrawn
-
2017
- 2017-10-11 CN CN201780062814.XA patent/CN109803772B/zh active Active
- 2017-10-11 EP EP17783484.3A patent/EP3525951B1/de active Active
- 2017-10-11 RU RU2019108768A patent/RU2724344C1/ru active
- 2017-10-11 WO PCT/EP2017/075936 patent/WO2018069391A1/de not_active Ceased
- 2017-10-11 KR KR1020197010178A patent/KR102213572B1/ko active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3525951B1 (de) | 2020-12-09 |
| DE102016219706A1 (de) | 2018-04-12 |
| WO2018069391A1 (de) | 2018-04-19 |
| KR102213572B1 (ko) | 2021-02-08 |
| CN109803772A (zh) | 2019-05-24 |
| CN109803772B (zh) | 2021-01-15 |
| KR20190045336A (ko) | 2019-05-02 |
| RU2724344C1 (ru) | 2020-06-23 |
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