EP3475008A1 - Device for calibrating and straightening hollow components and method with such a device - Google Patents
Device for calibrating and straightening hollow components and method with such a deviceInfo
- Publication number
- EP3475008A1 EP3475008A1 EP17735010.5A EP17735010A EP3475008A1 EP 3475008 A1 EP3475008 A1 EP 3475008A1 EP 17735010 A EP17735010 A EP 17735010A EP 3475008 A1 EP3475008 A1 EP 3475008A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- straightening
- calibration
- bending
- iia
- 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.)
- Pending
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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
-
- 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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/14—Recontouring
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
- B21D37/14—Particular arrangements for handling and holding in place complete dies
-
- 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
- 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
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/10—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes
Definitions
- the invention relates to a device for calibrating and straightening hollow components, preferably welded tubes, wherein the device is essentially formed of a frame with two side posts, an undercrossing and an upper crossbeam, wherein a plunger
- ⁇ is provided, which is designed to be movable in the direction of the lower crosshead and back by means of a supported on the upper armature druckstoffbeetzmacherbaren cylinder assembly, and wherein between the lower crosshead and the plunger a calibration and straightening tool is provided, and a method with such a device.
- Such devices which are also referred to as calibrating and straightening presses, are well known.
- a disadvantage of these devices and presses is that they can be used only for a single application, here calibration and straightening of hollow components.
- the invention is based on the object, a device of angege ⁇
- the calibration and straightening tool is replaceably arranged on the lower crosshead and the plunger and exchangeable against a Anbiegewerkmaschine for bending the lateral ends of sheets for the production of pipes.
- the calibration and straightening tool and the bending tool can each be moved from a parking and changing position outside the frame of the device into a working position within the frame of the device and back.
- the parking and change position for the tools outside the device allows setting up the tool not required in each case during which the device is in use with the other tool.
- the park and change position of the calibration and straightening tool can be provided laterally next to one of the two side stand of the frame and the park and change position of the bending tool can be laterally next to the other side stand of the frame, wherein in each of the two side stand the same penetrating recesses can be formed from the j ehyroid park and change positions in the central working position for moving the calibration and straightening tool and the Anbiegewerkmaschines.
- This arrangement makes for a relative simple and quick tool change, since only a linear movement is required for changing the tools or the process thereof, whereby costly constructions and associated high costs are largely avoided.
- the calibrating and straightening tool as well as the bending tool can be accommodated in a form-fitting manner by the plunger, wherein clamping means which can be urged by means of pressure can clamp the calibrating and straightening tool and the bending tool on or in the plunger.
- clamping means which can be urged by means of pressure can clamp the calibrating and straightening tool and the bending tool on or in the plunger.
- the apparatus may be associated with a feed device for the pipe to be calibrated and straightened, as well as the sheet to be sheeted and a discharge device for the calibrated and directed pipe and the bent sheet metal.
- the feeding device and the discharge device ensure, on the one hand, the supply and discharge of the relatively large tubes and sheets to the tools and, on the other hand, a throughput or continuous conveyance of the workpieces through the tools.
- the feeding device can be formed from an inlet roller track and the discharge device can be formed from an outlet roller track, wherein the inlet roller track and the outlet roller track can be designed to be lowerable or liftable.
- the device can have centrally arranged prism supports for the respective tube, which in each case can be moved vertically in the vertical direction via at least one cylinder which can be pressurized.
- the prism supports ensure the actual straightening of the pipes.
- a centrally arranged rotating device for rotating the respective pipe and / or for laterally positioning the respective metal sheet during bending may be provided. With the turning device, after lowering the roller tracks, the respective tube can very easily be turned into the correct position for straightening or the respective plate can be very easily positioned laterally.
- a centering device can be provided for the central alignment of the respective sheet.
- the rotating device may consist of several arranged between parallel rollers of the inlet Ro lelange and / or the outlet Ro llenganges, transversely to the rollers of the inlet Ro lelange and / or the outlet Ro llenganges extending roller pairs, which may be driven by a motor.
- the motor-driven roller pairs allow exact positioning of the tube for straightening.
- the calibrating and straightening tool is calibrated and straightened out of its parking and calibrating a tube or several tubes. Move and change position in the working position, in which case the plunger of the device to proceed to the calibration and straightening tool out and the calibration and straightening tool is positively received by the plunger and attached to the same.
- the double tube is then fed to the calibration and straightening tool by means of the inlet tube and calibrated stepwise in the calibration and straightening tool according to the size of the calibrating and straightening tool.
- the bending tool is moved from the parking and change position in the working position, in which case the plunger is moved to the bending tool out and the bending tool is positively and non-positively absorbed by the plunger of the device.
- the j eich sheet is then aligned by means of the centering device and / or the rotating device and supplied to the Anbiegewerkmaschine by means of the inlet Ro lulenganges, then tensioned and simultaneously bent the longitudinal edges of the sheet in a through-stroke or continuous process in parallel on both sides, during bending on at least the inlet Ro lllengang is lowered.
- the sheet of the roller table When indexing or - thoroughlyn the sheet of the roller table is raised again, opened the bending tool and the sheet relaxed, after the process of the sheet by the predetermined increment of the next bending step erfo. Following the complete bending of the sheet, it is conveyed away from the bending tool via the discharge oil passage. After completing the bending of a single sheet or sheets, the bending tool is released from the plunger of the device and moved from the working position in the park and change position.
- Nachfo lying is explained with reference to the drawing, a preferred embodiment of the device according to the invention and the inventive method.
- FIG. 1 is a perspective view of a device with in-feed Ro llengang and outlet Ro llengang and located in park and change position calibration and straightening tool and bending tool,
- FIG. 2 is a front view of the device with befindlichem in working position calibration and straightening tool and located in park and change position bending tool,
- FIG. 3 is a front view of the device with located in working position Anbiegewerkmaschine and located in parking and change position calibration and straightening tool,
- Fig. 4 is a perspective view of the device with befindlichem in working position calibration and straightening tool with a recorded in the same tube and located in park and change position bending tool and
- Fig. 5 is a perspective view of the device with located in working position Anbiegewerkmaschine with a recorded from the same sheet and located in park and change position calibration and straightening tool.
- 1 to 5 is on the one hand for calibrating and straightening hollow components, preferably welded raw Ren 2 and for bending of lateral ends 3 of sheets 4 for the production of pipes 2 is provided and is essentially formed of a frame 5 with two side posts 6, 7 of an upper crosshead 8 and an upper cross member 9, wherein the two S eitenpartyr 6, 7 respectively flanged to the lateral ends of the lower crosshead 8 and the upper cross member 9 and fastened by means of a screw connection.
- a pressure-medium-loadable cylinder arrangement 12 is arranged between the upper crosspiece 9 and the plunger 10.
- a cylinder arrangement 12 is illustrated with, for example, four cylinders 12, which ensure controlled driving, holding, pressing and opening of the forming tools 1 1, wherein the pressure medium used is preferably hydraulic oil ,
- the forming tools 1 1 are on the one hand to a calibration and straightening tool II a for the tubes 2 and the other to a bending tool II b for the lateral ends 3 of the sheets 4.
- the two forming tools 1 1 are in each case when not in use or for storing the same outside the frame 5 of the device 1 stored in a parking and change position. From these parking and change positions, the forming tools 1 1 are moved into their working position and back, wherein in the working position, the forming tools 1 1 are received by the plunger 10 after the descending the same form-fitting manner.
- the plunger 10 druckffenbeaufschlagbare clamping means for permanent attachment of the forming tools 1 1 to the plunger 10 during forming, the plunger 10 druckschbeetzyerbare clamping means, wherein also here the pressure medium used is preferably hydraulic oil.
- the parking and change position of the calibration and straightening tool II a is laterally next to one of the two side stand 6, 7 of the frame 5 and the park and change position of the bending tool II b is provided laterally next to the other side stand 7, 6, so that the relatively short paths relatively short change times for the forming tools 1 1 allow.
- the tools of the calibration and straightening tool I I a necessary for the calibration of the tubes 2 consist of a basic tool (several sizes for different diameter ranges) and different shells for different diameters.
- the necessary for the bending of the sheets 4 for the production of pipes 2 bending tool I I b consists of an upper tool and a lower tool.
- a lower tool and at least one upper tool are provided for each lateral end 3 of the sheet 4.
- the tools can be designed to be adaptable to the different sheet thicknesses.
- the sheet 4 to be bent is pressed during the forming in the upper tool and thereby receives the required contour.
- the device 1 For supplying the tubes 2 and plates 4 intended for forming, the device 1 is assigned a feed device 14, wherein a discharge device 15 is provided for discharging the formed tubes 2 and plates 4.
- the feed device 14 is formed from an inlet Ro llengang 16 and the discharge device 1 5 from a spout Ro llengang 17.
- Both roller tracks 16, 17 are designed to be lowered or raised, so that in particular the sheets 4 are free in the forming tool 1 1 during the forming process.
- the device 1 In stepwise straightening the stepwise calibrated tubes 2, the device 1 in front of and behind the calibration and straightening tool II a centrally arranged prism supports 1 8 for the respective tube 2, which in each case at least one druckstoffbeauf- storable cylinder in the vertical direction movable are.
- the pressure medium used is also preferably hydraulic oil.
- a centrally arranged rotating device 19 is provided for rotating the respective pipe 2 and for laterally positioning the respective metal sheet 4 during bending, which consists of several between parallel Rolls 20 of the inlet roller table 1 6 and / or the outlet Ro lllenganges 17 arranged transversely to the rollers 20 of the inlet Ro llenganges 16 and / or the outlet Ro llenganges 17 extending Ro llencoveren 2 1 exist, which are driven by a motor , As already mentioned, the rotating device 19 makes it possible for one thing after the first
- the rotary device 19 very simply enables a lateral positioning of the respective sheet 4 before the bending of the lateral ends 3 thereof.
- the calibration and straightening tool II a is moved out of its parking and change position outside the frame 5 of the device 1 into the working position within the frame 5 of the device 1. Subsequently, the plunger 10 of the device 1 is moved to the calibration and straightening tool II a and the calibration and straightening tool II a of the ram 1 0 positively received and attached to the same. The respective tube 2 is then fed to the calibration and straightening tool IIa by means of the inlet tube groove 16 and calibrated stepwise in the calibration and straightening tool IIa in accordance with the measure of the calibra- tion and straightening tool IIa.
- straightening of the tube 2 may take place, wherein the rotating device 19 adjusts the respective tube 2 after lowering the inlet tube passage 16 and / or the outlet tube passage 17 into the correct position rotates and on reaching the correct position, the prism supports 1 8 are moved against the pipe 2, wherein by the force acting against the tube 2, the straightening erfo. Subsequent to the complete calibration and the complete straightening of the tube 2, it is conveyed away from the calibration and straightening tool II a via the outlet tube 17.
- the calibration and straightening tool II a of the plunger 10 of the device 1 is dissolved and from the working position within the frame 5 of the device 1 in the parking and Change position outside the frame 5 of the device procedure.
- the bending tool II b is moved from the parking and change position outside the frame 5 of the device 1 in the working position within the frame 5 of the device 1.
- the plunger 10 is moved to the bending tool I Ib and the bending tool II b positively received by the plunger 10 of the device 1 and secured thereto.
- the j eany sheet 4 is then laterally positioned by means of the rotating device 19 and fed to the bending tool II b, clamped and then simultaneously bent the longitudinal ends 3 of the sheet 4 in the two-sided or continuous process parallel on both sides, wherein during the Bending at least the inlet Ro llengang 16 is lowered.
- the inlet Ro lllengang 16 is raised again, the bending tool II b opened ge and the sheet 4 relaxes.
- the method of the sheet 4 by the predetermined increment the erfo ling the next bending step.
- this is conveyed away via the outlet roller conveyor 17 by the bending tool II b.
- the bending tool II b is dissolved by the plunger 10 of the device 1 and from the working position within the frame 5 of the device 1 in the parking and exchange position outside of the frame 5 of Move device 1.
- the finished bent sheets 4 can subsequently for further processing or for the production of pipes 2, for example, a bending press o. Like. Forming machine and then a longitudinal welding machine are supplied.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016007546 | 2016-06-22 | ||
PCT/EP2017/064507 WO2017220393A1 (en) | 2016-06-22 | 2017-06-14 | Device for calibrating and straightening hollow components and method with such a device |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3475008A1 true EP3475008A1 (en) | 2019-05-01 |
Family
ID=59276689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17735010.5A Pending EP3475008A1 (en) | 2016-06-22 | 2017-06-14 | Device for calibrating and straightening hollow components and method with such a device |
Country Status (4)
Country | Link |
---|---|
US (1) | US11344939B2 (en) |
EP (1) | EP3475008A1 (en) |
KR (1) | KR20190020697A (en) |
WO (1) | WO2017220393A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3300809A1 (en) * | 2016-09-28 | 2018-04-04 | Primetals Technologies France SAS | Facility and method for levelling a metal product |
CN109047515A (en) * | 2018-09-19 | 2018-12-21 | 苏州工业园区虹逸精密机械有限公司 | Open side type metal winding pipe and alignment multifunctional numerical control hydraulic press |
CN110170556A (en) * | 2019-04-27 | 2019-08-27 | 临海市创宇工艺有限公司 | A kind of steel tube bending machine |
EP3640016A1 (en) * | 2019-08-21 | 2020-04-22 | Primetals Technologies France SAS | Press for metal product and associated method |
CN111451720B (en) * | 2020-03-19 | 2021-03-30 | 福达合金材料股份有限公司 | Forming method of electric contact sliding sheet |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2848095A (en) * | 1955-08-11 | 1958-08-19 | Wean Equipment Corp | Conveying mechanism |
US3002479A (en) * | 1957-06-10 | 1961-10-03 | Us Industries Inc | Movable bolster for metal working press |
US3111100A (en) * | 1958-01-16 | 1963-11-19 | Danly Mach Specialties Inc | Quick die change press |
FR1334822A (en) * | 1962-10-01 | 1963-08-09 | Olfeld Bohrgestange Dienst A G | Straightening machine for straightening tubes of probe trains |
US4143755A (en) * | 1975-09-29 | 1979-03-13 | Pullman Incorporated | Roller conveyor with alignment device |
DE2816722C3 (en) * | 1978-04-18 | 1981-01-08 | Christian Zuerich Ragettli (Schweiz) | Device for internal and external calibration as well as for straightening pipe sections |
DE4426800A1 (en) | 1994-07-25 | 1996-02-01 | Mannesmann Ag | Working method and press for producing large tubes from sheet metal |
JPH11156440A (en) | 1997-11-27 | 1999-06-15 | Kinugawa Rubber Ind Co Ltd | Forming method of metal tube |
JP2005324255A (en) * | 2005-06-17 | 2005-11-24 | Nakajima Steel Pipe Co Ltd | Method for manufacturing round steel tube |
DE102008027807B4 (en) | 2008-06-06 | 2011-05-12 | Eisenbau Krämer mbH | Method for producing a large steel pipe |
AT516279B1 (en) * | 2014-12-15 | 2016-04-15 | Trumpf Maschinen Austria Gmbh | Production plant with manipulation device |
-
2017
- 2017-06-14 KR KR1020187037840A patent/KR20190020697A/en unknown
- 2017-06-14 US US16/311,017 patent/US11344939B2/en active Active
- 2017-06-14 WO PCT/EP2017/064507 patent/WO2017220393A1/en unknown
- 2017-06-14 EP EP17735010.5A patent/EP3475008A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US20190176200A1 (en) | 2019-06-13 |
US11344939B2 (en) | 2022-05-31 |
KR20190020697A (en) | 2019-03-04 |
WO2017220393A1 (en) | 2017-12-28 |
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