EP1029606B1 - Verfahren zur Herstellung von Rohren aus Metall, insbesondere Kupferrohren, und Transportgestell - Google Patents
Verfahren zur Herstellung von Rohren aus Metall, insbesondere Kupferrohren, und Transportgestell Download PDFInfo
- Publication number
- EP1029606B1 EP1029606B1 EP99103277A EP99103277A EP1029606B1 EP 1029606 B1 EP1029606 B1 EP 1029606B1 EP 99103277 A EP99103277 A EP 99103277A EP 99103277 A EP99103277 A EP 99103277A EP 1029606 B1 EP1029606 B1 EP 1029606B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- large coils
- tubes
- coils
- coil
- pallets
- 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
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
- B21C47/18—Unwinding or uncoiling from reels or drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/28—Drums or other coil-holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/20—Skeleton construction, e.g. formed of wire
Definitions
- the invention relates to a method for producing pipes from metal, especially copper pipes.
- Copper pipes are usually made from bolts in a hot forming process manufactured by extrusion or cross rolling. The generated in this way Blanks (press tubes) are then further processed by mitral rolling or drawing. Further processing can be done in a single train or by multiple trains respectively. Transport to the next processing stage is usually carried out through a basket transport system.
- extrusion systems used for the hot forming process are in their Acquisition very expensive and have a large manufacturing capacity.
- capacity of an extrusion system can only be partially utilized.
- a Manufacture of other production ranges on this system, e.g. Profiles or Rods leads to improved utilization of the extrusion system, on the other hand but there are considerable additional costs due to the necessary conversion work, which adversely affect the price of semi-finished products.
- the facility is also standing during the remodeling work, which leads to a further cost burden.
- DE 43 32 140 A1 describes a method for producing pipes from metal, in particular copper pipes, known in a first manufacturing facility windable front pipes are manufactured and wound into large coils, which on as Transport and / or drainage facilities serving racks are stored with the large coils are transported to a pipe production facility in line and the respective one Positioned coil start at working height, uncoiled the coil and a conventional one Drawing machine fed and processed into tubes.
- the invention was based on the object of a method for producing pipes from metal, especially copper pipes, to create improved utilization of the production facilities as well as a particularly economical production enables and with which finished pipes can be produced easily and inexpensively.
- the front tubes are closed on a suitable winding machine Large coils.
- the large coils are preferably layer by layer wound into so-called LWC coils with a constant inside diameter of at least 800 mm and an outer diameter up to a maximum of 3500 mm. So far LWC pipes were only used for near-end dimensions, i.e. is the wall thickness e.g. less than or equal to 1 mm.
- large coils with a unit weight of 400 to 1500 kg are obtained.
- the large coils can be temporarily stored and immediately after their production to a second Production site can be transported using suitable means of transport.
- the large coils are stacked on suitable transport racks, in a number of three to seven large coils.
- the transport racks with the large coils are then by means of Hoists on the loading area of the transport vehicle, e.g. a truck and transported to the final manufacturing location.
- So-called spiders are used, on which the large coils lie horizontally Arrangement can be stacked.
- Another variant consists of several large coils to be welded as a composite in shrink film and lying on flat pallets remedy.
- Another variant is the standing storage of the large coils Prism pallets, the inside of the prism pallets with a felt pad can be provided.
- the further processing of the large coils into finished pipes can either be done directly from the means of transport from or via an interim storage facility.
- the further processing of the delivered large coils is carried out on conventional continuous drawing machines.
- At the Transporting the large coils on spiders serves as transport, storage and lighting Off device. If the large coils are lying flat, on spiders or flat pallets delivered, so the frames with the large coils on a retractable drain table be parked, which is immediately in front of the decoiler. The The coil start of the uppermost large coil is then lowered by lowering the discharge table in positioned at the required working height.
- the large coils can also be removed individually from the frames and up to the Drawing machine, e.g. on a forklift. Using an inner gripper the respective coil start is fed to a separate drain device.
- This variant allows the coil start to be sharpened separately during the Pulling the previous coil and the decoiler can be structurally simplified become. As a result, the auxiliary times for these work steps can be shortened.
- the proposed procedure leads to the advantage that the plants for the Down tube production can be fully utilized. This makes large coils received at very reasonable prices, e.g. resold to third parties as an intermediate product can be.
- the final producer then only needs a continuous drawing machine with the usual additional equipment to get out of the large coils Manufacture finished pipes of the desired dimensions.
- the additional Transportation costs outweigh the benefits from the particularly economical centralized tube manufacturing. Since the large coils already have a wall thickness of 1.5 up to 4.0 mm can usually be drawn on during the final production Train to be waived.
- a prefabrication line consists of a conventional extrusion press and a continuous drawing machine, by extrusion copper studs with an outer diameter of 50 mm and a wall thickness of 3 mm, which is then pulled in one go
- Pre-pipes measuring 44 x 2 mm can be processed further. That on this Dimension drawn down tube is layer by layer on a conventional winding system to a LWC large coil with an outer diameter of 2175 mm and an inner diameter of 1250 mm with a winding height of 350 mm.
- the large coil has a weight of 1000 kg and the tube length of the wound material is each Large coil 426 m.
- 5 large coils are stacked horizontally on a spider.
- the loading area of a truck-trailer is loaded with 5 spiders with 5 large coils each.
- the Large coils are produced in the above-mentioned manner from the central manufacturing location transported to the respective pipe processor.
- the spiders are removed from the truck by forklifts removed and transported by a chain conveyor to a lifting table and on this parked vertically.
- the lifting table places the Spider on receiving forks, approx. 400 mm down.
- the forks drive the spider over the uncoiler.
- the spider takes over the spider by lifting it, the forks move into hers Starting position back.
- the decoiler or drain table is increased by approx. 2 m lowered until the top coil is level with the feed line.
- the pipe start of the Top coils are positioned at working height and the required tangent appropriate.
- the decoiler is for a peripheral speed of up to 100 m / min designed, the speed between the decoiler and the Continuous drawing machine is synchronized.
- the pipe start is in the bender inserted and fed to the sharpening unit, in which the introduction of the lubricant, the setting of the mandrels and the sharpening take place. Then the pipe start in the Driver inserted and fed to the drawing machine.
- the first step is to turn the 44 x 2 mm tube into a tube of this size 42 x 1.5 mm drawn, which is wrapped in a basket that goes to the next one Drawing machine is transported to carry out the next production train. While the following coils are running, the discharge table (decoiler) continuously, depending on the running speed, moved upwards, so that the running pipe is always at working height.
- the pipe processor is the final producer Spider unstacked and the large coils one after the other on a stationary decoiler placed.
- This simplified variant enables a separate sharpening of the Tube start of the individual large coils during the pulling of the previous one Large coils. The unpacking of the large coils from the spider is immediately before the decoiler.
- the large coils are delivered on prism pallets.
- the prism pallets are lifted from the vehicle and then unstacked and the large coils have already been handed over to the chain conveyor.
- FIG. 3 shows an LWC large coil 9. This can also be spooled from a position Cu pipe 44 x 1.65 mm exist, with an outer diameter OD of 2300 mm and an inner diameter ID of 1250 mm and a height H of 350 mm.
- the coiled tube length of such a large coil is 512 mm.
- the LWC-Coil has a weight of 1000 kg.
- Several of these large coils 9, e.g. five, are stacked on a spider according to the design shown in Figures 1 and 2 and transported.
- the spider consists of a bottom part 1 and a center arranged shaft 2 as a welded tubular structure.
- the bottom part 1 is through an inner ring 3 and an outer ring 4, which are arranged in the form of spokes Pipe pieces 5 are interconnected, formed.
- On the inner tube 3 are in equidistant from each other four tubes 6 vertically attached to their upper end are crosswise connected by tubular webs 7.
- the length or Height of the tubes 6 depends on the number of large coils on the spider to be stacked.
- the spiders are very stable, because these loads from have to take up to 7 t.
- the intended design of the spider enables them to be stacked one inside the other as empties.
- the single ones Spiders are made by rotating them at a certain angle around the central axis nested, with the respective floor parts 1 resting on one another.
- the shaft 2 of the A spreading device is attached to the spiders, through which the individual large coils are inserted be locked in place.
- the shaft 2 of the Spiders are arranged an inflatable air cushion element, through which after the Inflating the space between the shaft 2 and the inside 10 of the Large coils 9 is at least partially filled, so that the large coils 9 slip is excluded during transport.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
- Warehouses Or Storage Devices (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Pallets (AREA)
Description
Claims (12)
- Verfahren zur Herstellung von Rohren aus Metall, insbesondere Kupferrohre, in zwei örtlich getrennten Fertigungsstätten, wobei in einer ersten Fertigungsstätte durch Strangpressen oder Warmwalzen und nachfolgendes Ziehen aufwickelbare Vorrohre hergestellt und die Vorrohre mit einer kreisrunden Querschnittsform zu Großcoils aufgewickelt werden, die auf als Transport- oder Transport- und Ablaufeinrichtung dienenden Gestellen abgelegt werden, wobei jeweils auf einem Gestell mehrere Großcoils gestapelt werden, die Gestelle mit den Großcoils mittels eines Transportfahrzeuges zu einer zweiten Fertigungsstätte, einer konventionellen Ziehmaschine, transportiert werden, und unmittelbar vor der Ziehmaschine entweder die Großcoils von den Gestellen abgestapelt oder das jeweilige Gestell mit den Großcoils auf einem versenkbaren Ablauftisch abgestellt wird und der jeweilige Coilanfang in Arbeitshöhe positioniert, das Coil abgehaspelt und der Ziehmaschine zugeführt und zu Rohren weiterverarbeitet wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die durch Strangpressen oder Warmwalzen und nachfolgendes Ziehen hergestellten Vorrohre in mehreren Zügen zu Rohren mit einem Außendurchmesser von 35 bis 80 mm und einer Wanddicke von 1,5 bis 4,0 mm gezogen werden.
- Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die gezogenen Rohre zu Großcoils mit einem Stückgewicht von 400 bis 1500 kg aufgewickelt werden.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Großcoils Lage an Lage gewickelt werden und einen maximalen Außendurchmesser von bis zu 3500 mm und einen konstanten Innendurchmesser von mindestens 800 mm aufweisen.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Großcoils vor dem abschließenden Ziehen wärmebehandelt werden und im Festigkeitszustand "weich" vorliegen.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß auf einem Gestell jeweils drei bis sieben Großcoils gestapelt werden.
- Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Großcoils auf Spidern, Flachpaletten oder auf Prismenpaletten gestapelt werden.
- Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Großcoils im Verbund in Schrumpffolie eingeschweißt und auf Flachpaletten abgelegt werden.
- Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Großcoils liegend auf Spidern oder Flachpaletten oder stehend auf Prismenpaletten transportiert werden.
- Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die abgestapelten Großcoils vereinzelt werden.
- Verfahren nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß ein Gestell mit mehreren Großcoils auf einer Ablaufvorrichtung positioniert wird und die jeweiligen Coilanfänge der Großcoils nacheinander einer Ein- oder Mehrfachziehanlage zum Ziehen auf das Fertigmaß zugeführt werden.
- Verfahren nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Großcoils vereinzelt werden und jedes Großcoil separat auf einer Ablaufvorrichtung positioniert wird und der Coilanfang einer Ein- oder Mehrfachziehanlage zum Ziehen auf das Fertigmaß zugeführt wird.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK99103277T DK1029606T3 (da) | 1999-02-19 | 1999-02-19 | Fremgangsmåde til fremstilling af rør af metal, især kobberrør, og transportstativ |
AT99103277T ATE224247T1 (de) | 1999-02-19 | 1999-02-19 | Verfahren zur herstellung von rohren aus metall, insbesondere kupferrohren, und transportgestell |
DE59902740T DE59902740D1 (de) | 1999-02-19 | 1999-02-19 | Verfahren zur Herstellung von Rohren aus Metall, insbesondere Kupferrohren, und Transportgestell |
PT99103277T PT1029606E (pt) | 1999-02-19 | 1999-02-19 | Processo para a producao de tubos de metal em particular de tubos de cobre e dispositivo de transporte |
EP99103277A EP1029606B1 (de) | 1999-02-19 | 1999-02-19 | Verfahren zur Herstellung von Rohren aus Metall, insbesondere Kupferrohren, und Transportgestell |
ES99103277T ES2183446T3 (es) | 1999-02-19 | 1999-02-19 | Procedimiento para la fabricacion de tubos metalicos, particularmente tubos de cobre, y bastidor de transporte. |
ARP000100641A AR022599A1 (es) | 1999-02-19 | 2000-02-15 | Procedimiento para fabricar tubos metalicos, y esqueleto de transporte para tubos bobinados en rollos empleado en el mismo |
BR0000848-6A BR0000848A (pt) | 1999-02-19 | 2000-02-18 | Processo para a fabricação de tubos a partir de metal, especialmente tubos de cobre, e estrutura de transporte |
CA002299012A CA2299012A1 (en) | 1999-02-19 | 2000-02-18 | Process for producing metal tubes, and transportation rack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99103277A EP1029606B1 (de) | 1999-02-19 | 1999-02-19 | Verfahren zur Herstellung von Rohren aus Metall, insbesondere Kupferrohren, und Transportgestell |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1029606A1 EP1029606A1 (de) | 2000-08-23 |
EP1029606B1 true EP1029606B1 (de) | 2002-09-18 |
Family
ID=8237590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99103277A Expired - Lifetime EP1029606B1 (de) | 1999-02-19 | 1999-02-19 | Verfahren zur Herstellung von Rohren aus Metall, insbesondere Kupferrohren, und Transportgestell |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1029606B1 (de) |
AR (1) | AR022599A1 (de) |
AT (1) | ATE224247T1 (de) |
BR (1) | BR0000848A (de) |
CA (1) | CA2299012A1 (de) |
DE (1) | DE59902740D1 (de) |
DK (1) | DK1029606T3 (de) |
ES (1) | ES2183446T3 (de) |
PT (1) | PT1029606E (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101298084B (zh) * | 2008-07-03 | 2010-08-04 | 中铝洛阳铜业有限公司 | 不等径壁厚或等径壁厚d型铜管的加工工艺 |
CN110934092B (zh) * | 2019-12-18 | 2023-10-27 | 杭州电子科技大学 | 一种禽类饮水管下料装置及其下料方法 |
CN114653778B (zh) * | 2022-05-24 | 2022-09-13 | 广东科莱博科技有限公司 | 连续中转的收放卷设备 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1115679B (de) * | 1958-09-27 | 1961-10-26 | Wilhelm Stoehr Fa | Mit einer Zieheinrichtung zusammenwirkende Speicher- und Kreisfoerdervorrichtung mit uebereinanderliegenden Foerderbahnen |
US3827274A (en) * | 1972-10-20 | 1974-08-06 | Aetna Standard Eng Co | Strand drawing apparatus including means for preparing the leading end of the strand |
DE2604324C3 (de) * | 1976-02-05 | 1980-07-17 | Benteler-Werke Ag Werk Neuhaus, 4790 Paderborn | Einrichtung zum kontinuierlichen Herstellen von längsgeschweißten Rohren aus Bandmaterial, insbesondere zur Herstellung von Präzisionsstahlrohren |
US4068971A (en) * | 1976-03-16 | 1978-01-17 | Bundy Corporation | Universal coil carrier |
FR2528391B1 (fr) * | 1982-06-09 | 1985-12-06 | Trefimetaux | Dispositif de manutention et de stockage en piles de paniers-conteneurs pour produits enroules |
DE3902844C1 (en) * | 1989-01-27 | 1989-11-30 | Mannesmann Ag, 4000 Duesseldorf, De | Apparatus for the automatic feeding of bull-block machines with drawing stock in strand form, especially tubes |
DE4332140C2 (de) * | 1993-09-17 | 1995-07-20 | Mannesmann Ag | Verfahren und Vorrichtung zum Aufwickeln und Weiterbehandeln von Rohren aus Nichteisenmetallen, insbesondere Kupfer und Kupferlegierungen |
-
1999
- 1999-02-19 ES ES99103277T patent/ES2183446T3/es not_active Expired - Lifetime
- 1999-02-19 EP EP99103277A patent/EP1029606B1/de not_active Expired - Lifetime
- 1999-02-19 PT PT99103277T patent/PT1029606E/pt unknown
- 1999-02-19 DE DE59902740T patent/DE59902740D1/de not_active Expired - Fee Related
- 1999-02-19 AT AT99103277T patent/ATE224247T1/de not_active IP Right Cessation
- 1999-02-19 DK DK99103277T patent/DK1029606T3/da active
-
2000
- 2000-02-15 AR ARP000100641A patent/AR022599A1/es unknown
- 2000-02-18 BR BR0000848-6A patent/BR0000848A/pt not_active Application Discontinuation
- 2000-02-18 CA CA002299012A patent/CA2299012A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE59902740D1 (de) | 2002-10-24 |
DK1029606T3 (da) | 2002-12-30 |
AR022599A1 (es) | 2002-09-04 |
ATE224247T1 (de) | 2002-10-15 |
ES2183446T3 (es) | 2003-03-16 |
BR0000848A (pt) | 2000-09-12 |
EP1029606A1 (de) | 2000-08-23 |
CA2299012A1 (en) | 2000-08-19 |
PT1029606E (pt) | 2003-02-28 |
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