EP1355748B1 - Drawing machine - Google Patents
Drawing machine Download PDFInfo
- Publication number
- EP1355748B1 EP1355748B1 EP02701159A EP02701159A EP1355748B1 EP 1355748 B1 EP1355748 B1 EP 1355748B1 EP 02701159 A EP02701159 A EP 02701159A EP 02701159 A EP02701159 A EP 02701159A EP 1355748 B1 EP1355748 B1 EP 1355748B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping
- elements
- wire
- chucks
- wheels
- 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
- 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
- B21C1/27—Carriages; Drives
- B21C1/30—Drives, e.g. carriage-traversing mechanisms; Driving elements, e.g. drawing chains; Controlling the drive
-
- 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
- B21C1/27—Carriages; Drives
- B21C1/28—Carriages; Connections of grippers thereto; Grippers
Definitions
- the invention relates to a drawing machine with a drawing die and a continuously working Pulling device according to the preamble of claim 1 (see e.g. US-A-1 911 157)
- the object of the present invention is now to overcome the disadvantages of these known Avoid drawing machines and a reliable pull for wire, pipes and / or profiles sure.
- the embodiments of the drawing machine according to the invention shown in the drawings each have two chain-like tension elements 3, each with two wheels 4 run, one of which is driven.
- the driven wheels 4 sit as well like the two non-driven wheels 4 each on a common shaft 12.
- Die chain-like tension elements 3 are each connected to a plurality of clamping devices 6.
- Two clamping devices 6 belonging to different tension elements 3 act together to grasp a wire 7 with their jaws 5.
- the clamping devices 6 have rollers 13, which are due to the movement of the associated tension element 3 Control curves 8 are performed.
- the jaw 5 of each clamping device 6 is over two holding rods 11 held by the associated chain-like tension element 3 are passed through.
- the holding rods 11 on the one hand cause the clamping devices are driven via the associated tension element 3.
- the control cams 8 are designed in such a way that the clamping devices 6 are in the initial area of the upper strand, the wire 7 can be moved towards one another and towards the end this strand the wire 7 are released to move away from each other.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
- Lubricants (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
Description
Die Erfindung betrifft eine Ziehmaschine mit einer Ziehmatrize und einer kontinuierlich arbeitenden Ziehvorrichtung gemäß dem Oberbegriff des Anspruchs 1 (siehe z.B. US-A-1 911 157)The invention relates to a drawing machine with a drawing die and a continuously working Pulling device according to the preamble of claim 1 (see e.g. US-A-1 911 157)
Es sind bereits derartige Ziehmaschinen bekannt, mit denen der Draht kontinuierlich gezogen werden kann. Zu diesem Zweck wird der Draht zwischen dem unteren Trum einer oberen geschlossenen, umlaufenden Kette und dem oberen Trum einer unteren geschlossenen, umlaufenden Kette geklemmt und gezogen. Diese bekannten Ziehmaschinen erfordern einen erheblichen konstruktiven Aufwand. Sie sind darüber hinaus in hohem Maße verschleißbehaftet, da zum Klemmen des Drahtes eine Kraft auf die Ketten quer zu ihrer Laufrichtung gegeben wird. Diese Art der Klemmung führt zudem zu einer erheblichen, belastenden Lärmentwicklung.Such drawing machines with which the wire is continuously drawn are already known can be. For this purpose, the wire is closed between the lower run of an upper, encircling chain and the upper run of a lower closed, encircling Chain clamped and pulled. These known drawing machines require a considerable amount constructive effort. They are also highly subject to wear, because a force is applied to the chains transversely to their running direction for clamping the wire. This type of clamping also leads to considerable, stressful noise.
Die Aufgabe der vorliegenden Erfindung besteht nun darin, die Nachteile dieser bekannten Ziehmaschinen zu vermeiden und einen zuverlässigen Zug für Draht, Rohre und/oder Profile sicherzustellen.The object of the present invention is now to overcome the disadvantages of these known Avoid drawing machines and a reliable pull for wire, pipes and / or profiles sure.
Diese Aufgabe wird erfindungsgemäß mit einer Ziehmaschine
gemäß Anspruch 1 gelöst.This object is achieved with a drawing machine
solved according to
Vorteilhafte Weiterbildungen dieser Ziehmaschine ergeben sich aus den Unteransprüchen.Advantageous further developments of this drawing machine result from the subclaims.
Anhand von Zeichnungen werden einige Ausführungsformen der erfindungsgemäßen Ziehmaschine beschrieben. With reference to drawings, some embodiments of the drawing machine according to the invention described.
Es zeigt:
- Fig. 1
- Eine Seitenansicht einer Ausführungsform, bei der das Zugorgan als Kette ausgebildet ist,
- Fig. 2
- eine Draufsicht der Ausführungsform nach Fig. 1,
- Fig. 3
- ein Detail betreffend die Verstellung von Keilelementen zur Erhöhung der Klemmkraft nach der Linie ab A-A in Fig. 1
- Fig. 4
- einen Horizontalschnitt durch die Darstellung nach Fig. 3 nach der Linie B-B in Fig.1,
- Fig. 5
- einen Schnitt nach der Linie C-C in Fig. 1 bei geschlossenen Klemmbacken,
- Fig. 6
- eine der Fig. 5 entsprechende Darstellung bei geöffneten Klemmbacken,
- Fig. 7
- einen Axialschnitt durch die antreibenden Räder und die Klemmvorrichtungen,
- Fig.8
- eine Ausführungsform betreffend die Steuerung der Klemmvorrichtungen mittels Steuerkurve und Rückholung durch Federn,
- Fig. 9
- eine weitere Ausführungsform betreffend die Steuerung der Klemmvorrichtungen durch Steuerkurven und Rückholung ebenfalls durch Steuerkurve,
- Fig. 10
- eine der
Figur 8 ähnliche Darstellung mit Keilelementen zur Erhöhung der Klemmung, - Fig. 11
- einen Schnitt betreffend die Drahtzuführung mit Ziehmatrize,
- Fig. 12
- eine der
Figur 1 ähnliche Darstellung mit Vorrichtung zum Drahteinzug und - Fig. 13
- eine Ziehmaschine bei geöffneten Klemmbacken und passierender Greifzange.
- Fig. 1
- A side view of an embodiment in which the traction element is designed as a chain,
- Fig. 2
- 2 shows a top view of the embodiment according to FIG. 1,
- Fig. 3
- a detail regarding the adjustment of wedge elements to increase the clamping force along the line from AA in Fig. 1st
- Fig. 4
- 3 according to the line BB in FIG. 1,
- Fig. 5
- 2 shows a section along the line CC in FIG. 1 with the jaws closed,
- Fig. 6
- 5 corresponding representation with open jaws,
- Fig. 7
- an axial section through the driving wheels and the clamping devices,
- Figure 8
- an embodiment relating to the control of the clamping devices by means of a cam and return by springs,
- Fig. 9
- a further embodiment relating to the control of the clamping devices by control cams and return also by control cams,
- Fig. 10
- 8 shows a representation similar to FIG. 8 with wedge elements to increase the clamping,
- Fig. 11
- a section regarding the wire feed with drawing die,
- Fig. 12
- a representation similar to Figure 1 with device for wire feeding and
- Fig. 13
- a drawing machine with the jaws open and a passing gripper.
Die in den Zeichnungen dargestellten Ausführungsformen der erfindungsgemäßen Ziehmaschine
weisen übereinstimmend zwei kettenartige Zugelemente 3 auf, die jeweils über zwei Räder
4 laufen, von denen jeweils eines angetrieben ist. Die angetriebenen Räder 4 sitzen ebenso
wie die beiden nicht angetriebenen Räder 4 jeweils auf einer gemeinsamen Welle 12. Die
kettenartigen Zugelemente 3 sind mit jeweils mehreren Klemmvorrichtungen 6 verbunden.
Jeweils zwei zu unterschiedlichen Zugelementen 3 gehörende Klemmvorrichtungen 6 wirken
zusammen, um mit ihren Klemmbacken 5 einen Draht 7 zu erfassen. Die Klemmvorrichtungen 6
weisen Rollen 13 auf, die aufgrund der Bewegung des zugehörigen Zugelements 3 auf
Steuerkurven 8 geführt werden. Die Klemmbacke 5 einer jeden Klemmvorrichtung 6 ist über
zwei Haltestangen 11 gehalten, die durch das zugehörige kettenartige Zugelement 3
hindurchgeführt sind. Die Haltestangen 11 bewirken zum einen, dass die Klemmvorrichtungen
über das zugehörige Zugelement 3 angetrieben werden. Zum anderen können
zusammenwirkende Klemmbacken 5 über die Haltestangen 11 aufeinander zu bewegt werden,
ohne dass auf das jeweilige Zugelement 3 eine quer zur Laufrichtung des Zugelements 3
gerichtete Kraft wirkt. D.h., die Bewegung der Klemmbacken 5 aufeinander zu oder
voneinander weg ist von den Zugelementen 3 entkoppelt, wodurch die Zugelemente 3 einen
geringeren Verschleiß aufweisen.The embodiments of the drawing machine according to the invention shown in the drawings
each have two chain-
Die Steuerkurven 8 sind derart gestaltet, dass die Klemmvorrichtungen 6 im Anfangsbereich
des oberen Trums den Draht 7 erfassend aufeinander zu bewegt werden und gegen Ende
dieses Trums den Draht 7 freigebend voneinander weg bewegt werden.The
Zur Erhöhung der Klemmwirkung sind zum einen auf die Position der Steuerkurven wirkende
Keilelemente 9a (siehe Figuren 3 und 13) oder in. den einzelnen Klemmvorrichtungen 6
angeordnete Klemmbäckenkeilelemente 9b (siehe Figur 10) vorgesehen. Sowohl bei den
Keilelementen 9a gemäß Figur 13 bzw. Figur 3 als auch bei den Keilelementen 9b gemäß Figur
10 kommt es zu einer Relativbewegung, wenn der Draht 7 erfasst wird.On the one hand, to increase the clamping effect, they act on the position of the control cams
Wedge elements 9a (see FIGS. 3 and 13) or in. The
Claims (5)
- The drawing machine with a draw die (1) and a continuously working drawing device, whereby
the drawing device exhibits only one closed drawing organ, the drawing organ is formed from two parallel-running drawing elements (3),
these drawing elements (3) are guided about axis-parallel wheels (4) and are driven by at least one of the wheels (4) in a controlled manner,
the drawing elements (3) are connected to clamping devices (6) carrying clamping chucks (5),
in each case, one of the clamping chucks (5) connected to the first drawing element (3) interacts with one of the clamping chucks (5) allocated to the second drawing element (3), and
the clamping chucks (5) for taking up the wire (7), pipe, or profile which is to be drawn are capable of being moved towards and away from one another in a controlled manner, characterised in that
the clamping devices (6) exhibit retaining elements (11) holding the clamping chucks (5), said retaining elements engaging in each case through the related drawing element (3) in a direction parallel to the axis of the wheels (4). - The drawing machine according to Claim 1, characterised in that the drawing elements (3) are of the nature of chains.
- The drawing machine according to Claim 1 or 2, characterised in that the clamping chucks (5) are controlled by control curves (8).
- The drawing machine according to one of Claims 1 to 3, characterised in that the clamping chucks (5) are controlled hydraulically or pneumatically.
- The drawing machine according to one of the foregoing Claims, characterised in that the clamping devices (6) exhibit in each case two wedge elements (9a, 9b) capable of being displaced in relation to one another, one of which is displaced relative to the other in the event of friction contact with the wire (7), pipe, or profile, whereby an increased wedging and clamping effect is imposed on the wire (7), the pipe, or the profile.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10101199 | 2001-01-11 | ||
DE10101199 | 2001-01-11 | ||
PCT/DE2002/000002 WO2002055227A1 (en) | 2001-01-11 | 2002-01-03 | Drawing machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1355748A1 EP1355748A1 (en) | 2003-10-29 |
EP1355748B1 true EP1355748B1 (en) | 2004-09-15 |
Family
ID=7670362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02701159A Expired - Lifetime EP1355748B1 (en) | 2001-01-11 | 2002-01-03 | Drawing machine |
Country Status (7)
Country | Link |
---|---|
US (1) | US6953136B2 (en) |
EP (1) | EP1355748B1 (en) |
JP (1) | JP4198994B2 (en) |
AT (1) | ATE276056T1 (en) |
DE (2) | DE10290051D2 (en) |
ES (1) | ES2229085T3 (en) |
WO (1) | WO2002055227A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080156060A1 (en) * | 2006-12-29 | 2008-07-03 | Po-Lin Ho | Drawing machine |
ITUD20130153A1 (en) * | 2013-11-19 | 2015-05-20 | Danieli Off Mecc | TOWING GROUP FOR DRAWING MACHINES |
DE102016113686A1 (en) * | 2016-07-25 | 2018-01-25 | Ejp Maschinen Gmbh | Slide carriage for a drawing machine |
CN107299595B (en) * | 2017-07-21 | 2023-04-25 | 北京国铁桥梁技术咨询有限公司 | Bridge prestressed pipe pulls out pipe and wears to restraint platform truck |
CN109867163A (en) * | 2019-04-03 | 2019-06-11 | 徐州市三森威尔矿山科技有限公司 | The cramping body structure of unit is continuously conveyed in a kind of wirerope |
CN114769343B (en) * | 2022-04-27 | 2023-08-08 | 江西宏泰铜业有限公司 | Double-station efficient lubrication drawing device for copper bars |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1911157A (en) * | 1927-12-28 | 1933-05-23 | Union Drawn Steel Company | Mechanism for drawing metal |
US3116865A (en) * | 1962-02-01 | 1964-01-07 | Hackethal Draht & Kabelwerk Ag | Apparatus for drawing metal tubing |
DE2449579A1 (en) * | 1974-10-18 | 1976-04-29 | Kieserling & Albrecht | DEVICE FOR CLAMPING AND EXTRACTION OF LONG PROFILE MATERIAL |
DE2732870C2 (en) * | 1977-07-21 | 1982-11-25 | Rudolf 4050 Mönchengladbach Pluntke | Drawing machine with continuously revolving drawing chain |
AT373175B (en) * | 1981-11-20 | 1983-12-27 | Tsni I Proektnoexperimentalny | DEVICE FOR FEEDING STAFF MATERIAL |
US5346112A (en) * | 1990-02-13 | 1994-09-13 | Kabelmetal Electro Gmbh | Capstan draw apparatus for periodically gripping and drawing an elongated member |
IT1252904B (en) * | 1991-12-24 | 1995-07-05 | Danieli Off Mecc | DRAWING GROUP FOR TRAFILA |
US5533658A (en) * | 1994-11-10 | 1996-07-09 | Production Tube, Inc. | Apparatus having replaceable shoes for positioning and gripping tubing |
US5775417A (en) * | 1997-03-24 | 1998-07-07 | Council; Malcolm N. | Coiled tubing handling apparatus |
DE19947806B4 (en) * | 1999-10-05 | 2014-12-11 | Sms Meer Gmbh | Chain drawing machine for continuous drawing of drawn material |
-
2002
- 2002-01-03 WO PCT/DE2002/000002 patent/WO2002055227A1/en active IP Right Grant
- 2002-01-03 DE DE10290051T patent/DE10290051D2/en not_active Expired - Fee Related
- 2002-01-03 DE DE50201009T patent/DE50201009D1/en not_active Expired - Lifetime
- 2002-01-03 AT AT02701159T patent/ATE276056T1/en active
- 2002-01-03 EP EP02701159A patent/EP1355748B1/en not_active Expired - Lifetime
- 2002-01-03 JP JP2002555949A patent/JP4198994B2/en not_active Expired - Fee Related
- 2002-01-03 ES ES02701159T patent/ES2229085T3/en not_active Expired - Lifetime
-
2003
- 2003-07-09 US US10/615,717 patent/US6953136B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE50201009D1 (en) | 2004-10-21 |
WO2002055227A1 (en) | 2002-07-18 |
US20040108352A1 (en) | 2004-06-10 |
JP4198994B2 (en) | 2008-12-17 |
ATE276056T1 (en) | 2004-10-15 |
EP1355748A1 (en) | 2003-10-29 |
JP2004520167A (en) | 2004-07-08 |
ES2229085T3 (en) | 2005-04-16 |
DE10290051D2 (en) | 2003-12-11 |
US6953136B2 (en) | 2005-10-11 |
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