EP1256393B1 - Zugeinheit für eine Ziehmaschine und Verfahren zum Ziehen eines Ziehgutes mit dieser Zugeinheit - Google Patents
Zugeinheit für eine Ziehmaschine und Verfahren zum Ziehen eines Ziehgutes mit dieser Zugeinheit Download PDFInfo
- Publication number
- EP1256393B1 EP1256393B1 EP02009516A EP02009516A EP1256393B1 EP 1256393 B1 EP1256393 B1 EP 1256393B1 EP 02009516 A EP02009516 A EP 02009516A EP 02009516 A EP02009516 A EP 02009516A EP 1256393 B1 EP1256393 B1 EP 1256393B1
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- EP
- European Patent Office
- Prior art keywords
- carriage
- linear motor
- tractor
- carriages
- slide
- 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.)
- Revoked
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- 230000001105 regulatory effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 1
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- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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- 238000004804 winding Methods 0.000 description 1
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Classifications
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- 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
- B21C1/305—Linear motor pulling devices
-
- 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
- B21C1/20—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 from stock of essentially unlimited length
-
- 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
Definitions
- the invention relates to a tractor unit for a drawing machine and a method for drawing a drawn material, in particular a long metallic object, with a tractor unit, wherein the tractor unit cooperates with a drawing tool and the at least one slide carriage with drive means for the Pull slide, the back in a guide of a machine frame and intimidbeweg is bar, wherein the drive means a linear motor complex of a Linear motor unit or more linear motor units include (see e.g. DD-A-80421).
- Drawing machines are used for drawing elongated metallic objects, like pipes, strands or rods, through a pulling tool. It will be between Continuously working drawing machines, where the length of the drawn material the Dimension of the machine can exceed many times, and discontinuously working draw machines differ, such as drawing benches.
- An example of a continuous straight drawing machine is from the DE-OS 28 52 071 known. This discloses a carriage drawing machine with a Traction unit, the two in slideways on the machine frame parallel to the drawing direction having guided drawing slide. These two counter-rotating ones Draw sledges pull the stock in hand-to-hand operation endlessly. To carry out this lifting movement, the drawing slides are each with a two-armed lever connected by means of a common axis seated Doppelkurvenance be pivoted back and forth in opposite directions.
- a further known drive system as for example in the EP 0 371 165 A1, comprises a rotating drum with a curved shape on the surface running webs to produce the counter-rotating Drawing carriage movements.
- the invention is based on the object, a traction unit or a method for To operate tractor units that the above described Disadvantages not.
- the drive means for the drawing carriages comprise the drawing machine individually controlled or regulated and electrically driven linear motor complexes for an independent movement of the respective slide carriage.
- the movement sequence of the single slide much more flexible.
- linear motors By using of linear motors is the stroke length or the travel of the single carriage no longer limited or the drawing paths variable.
- Linear motors can be exactly Control and enable fast acceleration and fast braking. Taking advantage of a total longer stroke, the average Overall, the pulling speed is higher, since the acceleration or Braking distance is proportionally shorter. It is also possible that the respective Sled on the way back and forth with different and adjustable Speeds can be moved. This allows the drawing slide bring it back into quicker action. Another advantage is that due the elimination of lying below the slide drive mechanism the overall height of the drawing machine can be lower overall.
- a linear motor complex for a carriage comprises a linear motor unit or a plurality of linear motor units, wherein such a complex according to a modular design by the choice of the number and / or the driving force of Linear motor units is assembled. Starting from a base sled, either still with no linear motor unit or a unit of lower power is provided, a sled desired performance on the modular design compiled.
- the primary part or the primary parts of the Linear motor units as moving primary parts on a carriage after a Modular design arranged, the secondary part or the secondary parts of the Linear motor units as stationary secondary parts along the machine frame extend as a metallic track or rails for the carriage.
- the guidance of the carriages along the raceway is provided by separate guide rails accepted.
- the primary part or the primary parts of the linear motor units extend as stationary primary parts along the machine frame, wherein the secondary part or the secondary parts of the linear motor units as movable Secondary parts are connected to a carriage and in particular as Rails that are movable along the primary parts.
- the secondary parts of the linear motor units are attached to the sled while the primary sections are stationary attached to the machine frame.
- Such a combined drawing and drawing carriage preferably has two consecutive arranged clamping or clamping jaw pairs, wherein the first Couple to capture the pull-over to the pull-out process and the second pair to pull Gripping the pipe itself serves.
- This tractor With this tractor, the pipe is pulled forward and then discontinuously moved by a single carriage by the carriage constantly back and forth a certain short distance and thus even tubes can pull large length.
- This basic unit is particularly suitable for production plants with lower capacity taking into account lower investment costs.
- This tractor is advantageously further developed by such a Combined drawing and drawing carriages with one, two or more others
- driven drawing slide is composed.
- the combined Pulling and drawing slide is used in a first step for advancing and then to pure drawing.
- a second basic unit of the tractor unit is by means of a separate puller carriage and one, two or more drawing slides formed this basic unit has the advantage that the separate Vorziehschlitten not with a double jaw pair, but only with a pair of jaws to prefer the Rohrsweepings must be equipped. Such a Vorziehschlitten with a Bakkencru is lighter than a combined slide and allows for higher acceleration. Another advantage is that all carriages, i. the preferred and the pure Draw slide, only one pair of jaws and thus a corresponding Carriage model, which reduces the investment costs.
- the Preferred takes over, starting from a base carriage, according to the modular design with a linear motor complex with one in relation to the pure drawing slide higher driving force.
- the Draw more than two draw carriages, with two or more draw carriages simultaneously are in pulling engagement with the drawn material.
- the function of a drawing carriage can also be taken over by a combined pull and pull slide.
- the respective drawing carriage of a Linear motor complex is driven and the movement of the respective Pulling slide by controlling the respective linear motor complex flexible is adjustable. This allows a previously impossible flexibility and variability the pulling paths and functions of the individual carriages.
- the motion sequence during the drawing process controlled by more than two drawing slides so that two or more drawing slide at the same time are in pulling engagement with the drawn material.
- this embodiment according to the principle of the respective "Pairwise pulling with each changing partner slide" is always pulled with at least a pair of drawing slides while the sled be moved back.
- the Design of the drawing slide is carried out according to their at the same time on the drawn material acting number. So when a pair of sleds attacks at the same time, one enters Doubling the pulling force. The same applies to a simultaneous drag handle with three, four, etc. drawing slide.
- drawing process Pull the drawn material by means of two with the drawn material in Engaging draw slide, while the third slide with dissolved Intervention is moved counter to the pulling direction to subsequently in Combine with one of the other two slides as a pair again with the Pulled to engage and pull while the other of the two Slide carriage is moved with dissolved engagement against the pulling direction.
- a discontinuously operated drawing machine here a drawing bench
- the tractor unit is composed of a drawing carriage with a pulling chain into which the Pull slide is latched.
- the sled will continue to run Disconnected chain again and moved back to its original position
- the carriage is provided with linear motor units.
- drawing forces according to a further embodiment of the Drawing chain in favor of a drawing slide are omitted, which then both for provide the forward and reverse with a linear motor complex for its drive is.
- Fig. 1 shows a tractor unit 1 with a Vorziehschlitten 2 and two drawing slide 3, 4.
- the tractor unit 1 comprises a machine frame 5 with parallel Guide rails 6, 7.
- the slides 2, 3, 4 themselves are each with guide rollers 8 (only one guide roller is referred to by way of example) provided along the guide rails 6, 7 are guided in the sense of a slideway.
- the puller carriage 2 and the pure drawing slide 3 and 4 each have a pair of jaws (9a, b; 21a, b; 22a, b). These are wedge-shaped jaws, which are controlled together so that the carriages engage with the stock to be sliced come and get rid of it again.
- the traction unit 1 itself cooperates with a pulling tool 10, which on The beginning of the tractor unit is arranged.
- a drawing tool 10 here a drawing ring - the drawbar 11, i. the beginning of the Ziehguts 12, for example one Rod, a pipe or a wire that has been tapered so far before pulling is that it fits through the drawing ring, stuck through it, to the draw carriage 2 to offer an attack opportunity.
- the fishing rod 11 is a pipe start section, the outside of the drawing machine on a press or hammering machine compressed and put into the drawing ring.
- the puller carriage 2 has the function to grab this Angel 11. Because the Angel 11 is a lesser Diameter than the subsequent tube 25, has the Vorziehschlitten second Jaws 9a, b with smaller openings.
- the Vorziehschlitten 2 and the two drawing slides 3, 4 are for the purpose of drive and Movement along the guide rails 6, 7 with a linear motor complex thirteenth provided (see Fig. 20).
- a linear motor complex thirteenth provided (see Fig. 20).
- the secondary part 15 of Linear motor complex 13 in terms of a career rigidly between the guide rails 6, 7, which extend in the pulling direction arranged.
- FIG Shown sled By way of example for all other train units, the control of the individual is shown in FIG Shown sled.
- the individual carriages 2, 3 and 4 are each via signal lines 16, 17, 18 a connected to a computer unit 19.
- this computer unit is the desired movement of each slide in terms the speeds, position and force are regulated, and the movements are visualized by means of a monitor 20.
- the primary parts are stationary, corresponding to the movements the secondary parts to which the carriages are then attached, regulated.
- the Vorziehschlitten 2 is moved in the pulling direction and pulls the drawbar 11 before. Then pulls the Vorziehschlitten 2 again back to its starting position on the drawing ring, followed by the first one Drawing slide 3.
- the drawn pipe start 25 is after the drawing process pulled so far in the pulling direction that he is in this position by the Vorziehschlitten 2 and through the first drawing carriage 3 (FIG. 2).
- the first Slide 3 now starts the actual drawing process. If the first sled 3 has traveled a predetermined distance, the jaws 21a, of the second carriage 4 is actuated, so that this with the early pipe start 25 comes into engagement.
- the jaws 22 a, b of the first carriage 3 are solved.
- the first carriage 3 moves back, while the second carriage 4, the pulling movement performs.
- This alternating drawing process is now repeated constantly.
- the two drawing slide 3, 4 drive controlled back and forth that a continuous Drawing process with uniform pulling speed arises at this Embodiment, the Vorziehschlitten 2 either from a linear motor complex 13 as also driven by a hydraulic cylinder, for example become.
- FIG. 3 to 7 show the Vorzieh- as well as the actual drawing process or the Traction unit according to a further embodiment of the invention, wherein in each case two Pull the drawing slide in the pair at the beginning of the pipe and later on the drawing material, while the third carriage is being retracted.
- the train unit 101 differentiates towards the tractor 1 of Fig. 1 in that instead of two three Pulling carriages 103, 104, 123 are present.
- the puller (102) and the three draw carriages 103, 104, 123 are similar in structure to those of the embodiment According to Fig. 1.
- the components of the tractor unit according to the embodiment of Fig. 3 are referred to as the components of the embodiment of FIG. 1. following the drawing process is described:
- the pull-through element 111 pushed through the pulling tool 110 or the pulling ring 111 is grasped by the Vorziehschlittens 102 and its jaws 109a, 109b (FIG. 3) and pulled forward in the pulling direction (FIG. 4).
- the pull-length x corresponds to in this case, a length which is approximately from the length of the Vorziehschlittens and the sum of the drawing slides plus the length of the drawing fence 111.
- the pull-forward length x corresponds to the distance from the pull ring to the trailing edge of the jaws 124a, b of the third drawing carriage 123 minus the pulling length 111, if all carriages are next to each other on the drawing ring in the drawing direction would be arranged (see Fig. 5).
- the Vorziehschlitten 102 is returned to its original position on Pulling tool 110.
- the first two drawing slides 103, 104 that is those closest to the drawing carriage 102 are used together with the Pulling carriage 102 or subsequently in the direction of pulling tool 110, so that the early pipe start 25 by the Vorziehschlitten 102 and the first and second drawing carriages 103, 104 extends. 5 shows this position, which corresponds to the actual beginning of the drawing process.
- the first two Pulling carriages 103, 104 come into engagement with the advanced tube beginning 25 and are moved in the pulling direction.
- a drawing process instead.
- the precise movement of the three drawing slides 103, 104 and 123 during the drawing process can be taken from Fig. 8.
- the movement sequence is by means of a speed-time curve shown, where the dashed line the movement of the first carriage and the carriage No. 1 (103), the solid line den Movement of the second carriage or carriage No. 2 (104) and the dotted line the movement of the third carriage or the carriage No. 3 (123) shows.
- the first two carriages i. carriage 103 and 104 or carriage no. 1 and carriage no. 2, synchronously accelerated and method.
- This drawing start is shown in FIG.
- the third slide (123) becomes after about 10 seconds has already accelerated to pull speed when changing with the first drawing slide to be.
- I. Transfer point the third slide (123) takes over a draw part together with the second carriage (104), while the first carriage (103) is released, slowed down and moved back. Subsequently, the first slide (103) accelerated again and brought to pulling speed to to pull the second transfer point II together with the third carriage (123), as the second carriage (104) retracts.
- a traction unit is based on a feed carriage, who only has the task of preference and then in a waiting position dwells near the drawing tool.
- a train unit which has a combined feed and slide carriage, whose drive means a individually controllable and electrically driven linear motor complex include.
- the basic unit of this embodiment is shown in FIG.
- the train unit 201 itself corresponds in terms of construction and drive of the tractor shown in Fig. 1. Since the single carriage 226 is both the preferred and the actual Pulling has to meet, he is with two jaw pairs 227a, b and 228a, b, with the jaws 227a, b being suitable, the draw dogs 211 to grab. A detailed description of such a sled will With reference to FIGS. 16, 17 and 18 made with such a train unit results a discontinuous drawing machine. After a sufficient long pipe beginning has been preferred, the carriage 226 moves in again and again and against the pulling direction and thus pulls the tube discontinuously.
- the Length of the track is here according to various technical aspects such as pulling speed and pulling force. It is conceivable according to FIG. 9 also a discontinuous tractor unit with only one slide carriage and only a pair of jaws in which the tube in a single stroke is finished
- Such a tractor unit be extended by a second drawing carriage 304, cf. Fig. 10.
- the train unit 301 is composed of two drawing slides 326, 304, wherein the one Pulling part also taken from the combined pull and pull slide 326 when the pre-drawing step is completed.
- Such a train unit 301 then works as a continuous straight draw machine.
- the station wagon 326 grabs the Ziehangel with his first pair of jaws 327a, b 311 and pulls the tube a short distance through the pulling tool 310 therethrough.
- the combination carriage 326 moves back, detected with the second Clamping jaw pair 328a, b the early pipe beginning and pulls this Another piece before, this is still a discontinuous operation with lowered Speed is. Since the combination carriage 326 several times and It can be used in order to advance the tube step by step compared to the pure Vorziehschlitten only a smaller stroke. Then begins the continuous drawing operation in the interaction of the two slides 326 and 304.
- FIGS. 3 to 7 are a tractor unit 401 with a combined puller and puller slide 426 and two draw carriages 404 and 423, which - as soon as the Vorziehprozeß is finished - analogous to the drawing method, as described with Figs. 3 to 7, work.
- the corresponding Components are designated according to FIGS. 3 to 7. The difference is only that the combination carriage 426 both the preferred and later one Pulling part takes over. After the combination carriage 426 the pipe is sufficient (Fig. 12), its jaws 427a, b, which are the diameter the drawbar 411 correspond, opened.
- the combination carriage 426 drives back to the drawing tool 410, accompanied by the second drawing slide 404 (FIG. 13).
- the drawing process begins ( Figures 13 and 14). After the pipe start 425 or later the drawn material has reached the third slide 423, the Combi carriage 426 decoupled, the drawing take over the carriage 404th and 423.
- the jaws 427a, b of the Combination carriage 426 always in retracted position (see Fig. 14 and 15), while the jaws 428a, b clamped together for gripping and be solved.
- the combination carriage consists of a base housing 429 of a first and second part 430, 431, wherein the second part 431 is arranged in Ziehnchtung.
- the first part 430 picks up the jaws 427a, b for the pre-pulling operation in the jammed Make a smaller diameter state to grip the drawbar.
- the wedge-shaped clamping jaws are inclined by the pulling force along shifted mutually sliding grooves 432 and thus contracted and The drawbars can be wrapped firmly and non-slip accordingly.
- the jaws 428a, b arranged for the actual drawing process. These are held by compression springs 433 in the clamped state.
- the exemplary embodiment of a drawing bench is shown as a drawing machine, whose tractor unit 501 essentially consists of a carriage 537 and a Chain 538 composed.
- the carriage 537 is in a guide along Guide rails 506, 507 (concealed) movable
- the actual drawing process is performed by means of the chain 538, the carriage 537, which engages with the drawbar 511 is pulling along the track.
- the sled is with a linear motor complex equipped in this embodiment, the return movement of the carriage 537 after release from the chain 538 is used. At lower drawing forces can be dispensed with the chain 538 by the with a linear motor complex equipped carriage 537 also takes over the drawing process to subsequently to be returned to its original position.
- the stationary secondary part 15 comprises two horizontally oriented adjacent rails 39, 40, wherein two primary parts 14a, b (in the direction of the arrow) along these rails 39, 40 are moved as a career. All in all result in two linear motor units 41, 42 of a linear motor complex thirteenth Such an arrangement is also possible with only one rail 39, by the primary parts 14a, b are arranged one behind the other (FIG. 20b).
- Fig.20c is a Arrangement with two vertically oriented rails 39, 40 shown, of two Primary parts 14a, b are included laterally. The primary parts of all three arrangements are connected to a common surface 43, which is also the locking surface for the respective drawing slide (not shown).
- the computing unit 19 already described above is shown in more detail in FIG in combination with the linear motor arrangement according to FIG. 20a two juxtaposed movable primary parts 14a, 14b extending move along two rails 39, 40 and stationary secondary parts.
- the Both primary parts 14a, b are each a separate signal line 17a, b with the computer unit 19 is connected, wherein the unit for controlling the drive 44 is shown as a separate unit.
- a guide track 45 is arranged, with a mechanical Coupling unit (hidden) comes into engagement.
- the linear motor principle shown with a movable primary part and a stationary abutment can also be reversed, which with Figs. 22 and 23 is shown.
- the basic structure itself is illustrated by FIG. 22.
- the mobile one Secondary part 15, to which the drawing carriage is arranged consists of Permanent magnets 46 with alternating fields "N" and "S".
- the stationary primary part 14 includes a three-phase winding.
- the power supply is achieved by means of a Cable 47.
- An intended cooling water cooling is not shown. All in all shows this solution has the advantage that the power supply and cooling water connection now can be connected to the stationary part.
- Both parts (14, 15) are designed as longer parts that slide past each other.
- the tractor unit 1 comprises a rigid machine frame 5, to which the stationary primary parts 14a-d in the form of rigid guide rails are arranged. Along these guide rails 14a-d are - also vertically aligned - movable abutments 15a-d arranged. For one Stroke of the carriages 3, 4 slide the individual rails from each other. The moving ones Secondary parts 15a-d are on an angled support member 48a-d, wherein the carriages 3, 4 extend horizontally on the Supporting surface of the support element are attached.
- the upper part figure 23a shows the tractor unit 1 with two drawing carriages 3, 4, wherein the first carriage 3 in the end position and the second carriage 4 is in the start position. About a movement the corresponding support members 48 c, d, the second carriage 4 in Pulling direction taken. While the second slide 4 pulls, the first Slide 3 with loosened jaws in an analogous manner against the pulling direction promoted.
- the inventively proposed drive means for drawing carriage of the drawing machine namely individually controlled or regulated and electrically driven Linear motor complexes for independent movement of each Slide carriage, allow a drive with high speeds and accelerations, an Antneb with good control quality and good positional behavior, a drive with a direct energy transfer without mechanical Transmission elements, such as rotating drums or levers, essentially a maintenance-free drive, a simple design and a high Flexibility in adapting to the movement of the drawing process.
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Description
- Fig. 1
- eine Zugeinheit einer Zugmaschine nach einer Ausführungsform mit einem separaten Vorziehschlitten und zwei Ziehschlitten zu Beginn eines Vorziehvorgangs;
- Fig. 2
- die Zugeinheit nach Fig. 1 in der Zieh-Anfangsstellung;
- Fig. 3
- eine Zugeinheit einer Zugmaschine nach einer Ausführungsform mit einem separaten Vorziehschlitten und drei Ziehschlitten zu Beginn eines Vorziehvorgangs;
- Fig. 4
- die Zugeinheit nach Fig. 2 mit ausgefahrenem Vorziehschlitten;
- Fig. 5
- die Zugeinheit nach Fig. 2 in Zieh-Anfangsstellung;
- Fig. 6
- die Zugeinheit nach Fig. 2 in einer Ziehstellung mittels eines Ziehschlitten-Paars;
- Fig. 7
- die Zugeinheit nach Fig. 2 nach dem Wechsel der in Eingriff mit dem Ziehgut befindlichen Ziehschlitten sowie Rückwärtsbewegung eines Schlittens;
- Fig. 8
- eine Darstellung der Bewegungsabläufe der drei Ziehschlitten der Zugeinheit nach Fig. 2;
- Fig. 9
- die Zugeinheit einer Ziehmaschine nach einer Ausführungsform mit einem kombinierten Vorzieh- und Ziehschlitten;
- Fig. 10
- die Zugeinheit nach Fig. 9 mit einem weiteren Ziehschlitten;
- Fig. 11
- die Zugeinheit nach Fig. 9 mit zwei weiteren Ziehschlitten zu Beginn des Vorziehvorgangs;
- Fig. 12
- die Zugeinheit nach Fig. 10 mit ausgefahrenem kombinierten Vorzieh- und Ziehschlitten;
- Fig. 13
- die Zugeinheit nach Fig. 10 in Zieh-Anfangsstellung;
- Fig. 14
- die Zugeinheit nach Fig. 10 in einer Ziehstellung mit eines Ziehschlittenpaars;
- Fig. 15
- die Zugeinheit nach Fig. 10 nach dem Wechsel der in Eingriff mit dem Ziehgut befindlichen Ziehschlitten sowie Rückwärtsbewegung des ersten bzw. kombinierten Vorzieh- und Ziehschlittens;
- Fig. 16
- die Schrägansicht auf einen kombinierten Vorzieh- und Ziehschlitten;
- Fig. 17
- eine Teildarstellung des Kombi-Schlittens nach Fig. 16, horizontal aufgeschnitten;
- Fig. 18
- eine Teildarstellung des Kombi-Schlittens nach Fig. 16, vertikal aufgeschnitten,
- Fig. 19
- schematisch eine Ziehbank mit einer Zugeinheit mit einem Ziehschlitten und einer Ziehkette;
- Fig. 20
- eine schematische Darstellung von drei Ausführungsformen eines Linearmotorkomplexes umfassend zwei Linearmotoreinheiten mit einem gemeinsamen oder zwei stationären Sekundärteilen;
- Fig. 21
- eine schematische Darstellung der Rechner- bzw. Steuereinheit für die Antriebsmittel der Zugeinheit;
- Fig. 22
- eine schematische Darstellung der Grundstruktur einer Linearmotoreinheit;
- Fig. 23
- eine Zugeinheit mit zwei Ziehschlitten mit einem Linearmotorantrieb mit beweglichen Sekundärteilen in zwei verschiedenen Ziehstadien.
Claims (15)
- Zugeinheit für eine Ziehmaschine,
wobei die Zugeinheit (1, 101; 201; 301; 401; 501) mit einem Ziehwerkzeug (10, 110) zusammenwirkt und die zumindest einen Ziehschlitten (3, 4; 103, 104, 123; 226; 537) mit Antriebsmitteln für den Ziehschlitten aufweist, der entlang eines Maschinenrahmens (5) hin- und zurückbeweg bar ist,
wobei die Antriebsmittel einen Linearmotorkomplex aus einer Linearmotoreinheit oder mehreren Linearmotoreinheiten (41, 42) umfassen,
dadurch gekennzeichnet, daß ein solcher Linearmotorkomplex (13) nach einer Modulbauweise durch die Wahl der Anzahl und/oder die Antriebskraft der Linearmotoreinheiten zusammenstellbar ist,
daß ein Ziehschlitten als kombinierter Vorzieh- und Ziehschlitten (226, 326, 426) ausgebildet ist und daß die Zugeinheit (201, 301, 401) diesen allein oder mindestens einen weiteren Ziehschlitten (304; 404; 423) umfaßt und
daß die Antriebsmittel jeweils einen gesteuerten Linearmotorkomplex (13) für einen unabhängigen Bewegungsablauf des jeweiligen Ziehschlittens (3, 4; 103, 104, 123; 226; 537) umfassen. - Zugeinheit für eine Ziehmaschine,
wobei die Zugeinheit (1, 101; 201; 301; 401; 501) mit einem Ziehwerkzeug (10, 110) zusammenwirkt und die zumindest einen Ziehschlitten (3, 4; 103, 104, 123; 226; 537) mit Antriebsmitteln für den Ziehschlitten aufweist, der entlang eines Maschinenrahmens (5) hin- und zurückbeweg bar ist,
wobei die Antriebsmittel einen Linearmotorkomplex aus einer Linearmotoreinheit oder mehreren Linearmotoreinheiten (41, 42) umfassen,
dadurch gekennzeichnet, daß ein solcher Linearmotorkomplex (13) nach einer Modulbauweise durch die Wahl der Anzahl und/oder die Antriebskraft der Linearmotoreinheiten zusammenstellbar ist,
daß die Zugeinheit (1, 101) zusätzlich zu mindestens einem Ziehschlitten (3, 4; 103, 104, 123) einen separaten Vorziehschlitten (2, 102) aufweist und
daß die Antriebsmittel jeweils einen gesteuerten Linearmotorkomplex (13) für einen unabhängigen Bewegungsablauf des jeweiligen Ziehschlittens (3, 4; 103, 104, 123; 226; 537) umfassen. - Zugeinheit nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß der Primärteil oder die Primärteile (14a, b) der Linearmotoreinheiten (41, 42) als bewegliche Primärteile an einem Schlitten nach einer Modulbauweise angeordnet sind und
daß sich der Sekundärteil oder die Sekundärteile (15) der Linearmotoreinheiten als stationäre Sekundärteile entlang des Maschinenrahmens erstrecken. - Zugeinheit nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß der Primärteil oder die Primärteile (14a-d) der Linearmotoreinheiten als stationäre Primärteile sich entlang des Maschinenrahmens (5) erstrecken und
daß der Sekundärteil oder die Sekundärteile (15a-d) der Linearmotoreinheiten als bewegliche Sekundärteile mit einem Schlitten verbunden sind. - Zugeinheit nach einem der Ansprüche 1 bis 4,
gekennzeichnet durch
eine Rechnereinheit (19, 119) zur Steuerung des Linearmotorkomplexes (13) des jeweiligen Schlittens sowie Signalleitungen (17,18,117-118b), die die Rechnereinheit mit jeweils einem Schlitten verbinden. - Zugeinheit nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß der Linearmotorkomplex zum Antrieb des Vorziehschlittens (2, 102) oder des kombinierten Vorzieh- und Ziehschlittens (226, 326, 426) ausgehend von einem Basisschlitten nach der Modulbauweise mit im Verhältnis zu einem reinen Ziehschlitten höherer Antriebskraft zusammensteltt ist. - Zugeinheit nach einem der Ansprüche 1 bis 6,
gekennzeichnet durch
mehr als zwei Ziehschlitten, wobei zwei oder mehr Ziehschlitten (103, 104, 123; 426, 404, 423) gleichzeitig im Zieheingriff mit dem Ziehgut (112; 412) sein können. - Zugeinheit nach Anspruch 7,
dadurch gekennzeichnet, daß gleichzeitig mindestens ein Paar Ziehschlitten in Zieheingriff mit dem Ziehgut sein kann. - Verfahren zum Ziehen eines Ziehgutes in einer Zugeinheit für eine Ziehmaschine nach einem der Ansprüche 1 bis 8,
wobei die Zugeinheit (1, 101; 201; 301; 401; 501) mit einem Ziehwerkzeug (10, 110) zusammenwirkt und wobei zumindest ein Ziehschlitten entlang eines Maschinenrahmens (6, 106) hin- und zurückverfahren wird, der von einem Linearmotorkomplex (13) angetrieben wird,
dadurch gekennzeichnet, daß der Bewegungsablauf des jeweiligen Ziehschlittens sowie eines kombinierten Vorzieh- und Ziehschlittens oder eines separaten Vorziehschlittens durch Ansteuerung des jeweiligen Linearmotorkomplexes flexibel einstellbar ist. - Verfahren nach Anspruch 9,
dadurch gekennzeichnet, daß der Bewegungsablauf beim Ziehvorgang von mehr als zwei Ziehschlitten so gesteuert wird, daß zwei oder mehr Ziehschlitten (103, 104, 123; 304, 326; 404, 423, 26) gleichzeitig im Zieheingriff mit dem Ziehgut sind. - Verfahren nach Anspruch 10,
dadurch gekennzeichnet, daß der Ziehvorgang von jeweils einem Paar an Ziehschlitten durchgeführt wird. - Verfahren nach einem der Ansprüche 9 bis 11,
mit einem Vorziehschlitten (102) und drei Ziehschlitten (103, 104, 123) oder einem kombinierten Vorzieh- und Ziehschlitten (426) und zwei Ziehschlitten (404, 423), die in Ziehrichtung aufeinanderfolgend angeordnet sind, umfassend die Schritte:Ziehen des Ziehgutes mittels jeweils zwei mit dem Ziehgut in Eingriff befindlichen Ziehschlitten, während der jeweils dritte Ziehschlitten mit gelöstem Eingriff entgegen der Ziehrichtung verfahren wird, um anschließend in Kombination mit einem der beiden anderen Ziehschlitten als Paar wieder mit dem Ziehgut in Eingriff zu kommen und zu ziehen, während der andere der beiden Ziehschlitten mit gelöstem Eingriff entgegen der Ziehrichtung verfahren wird. - Kontinuierlich arbeitende Geradeausziehmaschine mit einer Zugeinheit nach einem der Ansprüche 1 bis 8.
- Diskontinuierlich arbeitende Ziehmaschine mit einer Zugeinheit (201) nach einem der Ansprüche 1, 3 bis 6 mit einem kombinierten Vorzieh- und Ziehschlitten (226) zum diskontinuierlichen Ziehen.
- Diskontinuierlich arbeitende Ziehmaschine mit einer Zugeinheit (501) nach einem der Ansprüche 1 bis 5, mit einem Ziehschlitten (537) zum Erfassen der sich durch das Ziehwerkzeug erstreckenden Ziehangel (511) und zum Einklinken der Ziehangel in eine Ziehkette (538) im oberen Ziehkraftbereich, wobei der Ziehschlitten (537) mittels des Linearmotorkomplexes seine Rückwärtsbewegung zum Ziehwerkzeug (519) durchführt oder mit einem Ziehschlitten, der im unteren Ziehkraftbereich auch den Ziehvorgang übernimmt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10122657 | 2001-05-10 | ||
DE10122657A DE10122657B4 (de) | 2001-05-10 | 2001-05-10 | Zugeinheit für eine Ziehmaschine sowie Verfahren zum Ziehen eines Ziehgutes mit dieser Zugeinheit und diskontinuierlich arbeitende Ziehmaschine |
Publications (3)
Publication Number | Publication Date |
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EP1256393A2 EP1256393A2 (de) | 2002-11-13 |
EP1256393A3 EP1256393A3 (de) | 2003-10-08 |
EP1256393B1 true EP1256393B1 (de) | 2005-07-06 |
Family
ID=7684249
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EP02009516A Revoked EP1256393B1 (de) | 2001-05-10 | 2002-04-26 | Zugeinheit für eine Ziehmaschine und Verfahren zum Ziehen eines Ziehgutes mit dieser Zugeinheit |
Country Status (10)
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US (1) | US6715332B2 (de) |
EP (1) | EP1256393B1 (de) |
JP (1) | JP3975117B2 (de) |
KR (1) | KR20020086235A (de) |
CN (1) | CN1250353C (de) |
AT (1) | ATE299051T1 (de) |
CA (1) | CA2385648A1 (de) |
DE (2) | DE10122657B4 (de) |
PL (1) | PL353781A1 (de) |
RU (1) | RU2252092C2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10204519A1 (de) * | 2002-02-05 | 2003-08-07 | Rudolf Bueltmann | Geradeaus-Ziehmaschine |
US6777903B1 (en) * | 2002-09-09 | 2004-08-17 | Storage Technology Corporation | Wedge type parallel jaw gripper for automated data storage library |
DE10341726B4 (de) | 2003-09-10 | 2008-09-04 | Sms Meer Gmbh | Ziehvorrichtung und Verfahren zum Betreiben einer Ziehvorrichtung |
KR100647416B1 (ko) * | 2005-08-11 | 2006-11-23 | 주식회사 씨티씨 | 파이프 인발기와 그의 인발방법 |
US7584641B2 (en) * | 2006-03-27 | 2009-09-08 | Fwu Kuang Enterprises Co., Ltd. | Forging machine having rollers between a support and a slide body of a die assembly |
US20090235713A1 (en) * | 2008-03-24 | 2009-09-24 | Hirotec America, Inc. | Magnetically actuated roller head |
US9676016B2 (en) | 2013-09-23 | 2017-06-13 | Manchester Copper Products, Llc | Systems and methods for drawing materials |
CN103639213B (zh) * | 2013-12-12 | 2015-09-16 | 淮北安来机电装备有限公司 | 往复串动式液压拉拔机 |
DE102013021675A1 (de) * | 2013-12-18 | 2015-07-02 | Joachim Graefe | Profile und Rohre kontinuierlich-integriert formen |
CN103909106B (zh) * | 2014-04-01 | 2016-03-30 | 太仓东青金属制品有限公司 | 一种精密拉管机 |
DE102016113686A1 (de) | 2016-07-25 | 2018-01-25 | Ejp Maschinen Gmbh | Ziehschlitten für eine Ziehmaschine |
RU2669260C1 (ru) * | 2017-09-12 | 2018-10-09 | федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Способ производства триметаллических прутковых и проволочных изделий |
CN109682267B (zh) * | 2018-12-27 | 2021-01-12 | 中国人民解放军陆军工程大学 | 弹头拉拔机 |
CN113751518B (zh) * | 2020-06-01 | 2023-08-22 | 嘉兴宝利机械股份有限公司 | 一种夹持机构 |
CN112362213B (zh) * | 2020-12-07 | 2022-06-07 | 东莞华贝电子科技有限公司 | 一种磁铁拉拔力测试装置 |
CN114029357B (zh) * | 2021-11-05 | 2023-12-12 | 江苏亨通海洋光网***有限公司 | 一种海缆金属管缺陷的拉伸修复工艺 |
CN115446136A (zh) * | 2022-10-11 | 2022-12-09 | 哈尔滨工业大学(威海) | 高强钨合金极细丝拉拔装置 |
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US2787369A (en) * | 1951-06-06 | 1957-04-02 | Kreidler Alfred | Drawbench with a drawing chain rotating continuously in the same direction |
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FR2168880B1 (de) * | 1972-01-25 | 1976-07-23 | Vallourec | |
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-
2001
- 2001-05-10 DE DE10122657A patent/DE10122657B4/de not_active Expired - Lifetime
-
2002
- 2002-04-26 AT AT02009516T patent/ATE299051T1/de not_active IP Right Cessation
- 2002-04-26 DE DE50203543T patent/DE50203543D1/de not_active Revoked
- 2002-04-26 EP EP02009516A patent/EP1256393B1/de not_active Revoked
- 2002-05-04 KR KR1020020024601A patent/KR20020086235A/ko active IP Right Grant
- 2002-05-08 RU RU2002112419/02A patent/RU2252092C2/ru not_active IP Right Cessation
- 2002-05-09 JP JP2002134474A patent/JP3975117B2/ja not_active Expired - Fee Related
- 2002-05-09 PL PL02353781A patent/PL353781A1/xx unknown
- 2002-05-09 US US10/143,727 patent/US6715332B2/en not_active Expired - Fee Related
- 2002-05-09 CA CA002385648A patent/CA2385648A1/en not_active Abandoned
- 2002-05-10 CN CNB021221928A patent/CN1250353C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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DE50203543D1 (de) | 2005-08-11 |
US6715332B2 (en) | 2004-04-06 |
CA2385648A1 (en) | 2002-11-10 |
DE10122657B4 (de) | 2006-07-13 |
EP1256393A2 (de) | 2002-11-13 |
US20020189315A1 (en) | 2002-12-19 |
ATE299051T1 (de) | 2005-07-15 |
JP2003001319A (ja) | 2003-01-07 |
JP3975117B2 (ja) | 2007-09-12 |
PL353781A1 (en) | 2002-11-18 |
EP1256393A3 (de) | 2003-10-08 |
DE10122657A1 (de) | 2002-11-21 |
CN1250353C (zh) | 2006-04-12 |
RU2252092C2 (ru) | 2005-05-20 |
CN1385258A (zh) | 2002-12-18 |
KR20020086235A (ko) | 2002-11-18 |
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