EP0850752A1 - Mehrstationenpresse - Google Patents
Mehrstationenpresse Download PDFInfo
- Publication number
- EP0850752A1 EP0850752A1 EP97121901A EP97121901A EP0850752A1 EP 0850752 A1 EP0850752 A1 EP 0850752A1 EP 97121901 A EP97121901 A EP 97121901A EP 97121901 A EP97121901 A EP 97121901A EP 0850752 A1 EP0850752 A1 EP 0850752A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- press
- workpiece
- station
- phase offset
- station press
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
Definitions
- the invention relates to a multi-station press for successive processing of workpieces in several steps according to that in the preamble of Claim 1 defined art.
- EP 0 439 684 B1 discloses a punch press with a frame, a drive, a plunger device driven by the drive and a base plate device known.
- a drive shaft is assigned in the ram sections Divided shaft sections.
- the ram sections are independent of each other, wherein the base plate device in the same way in each other supported base plate sections is divided. This is supposed to be the bottom locations of the individual plungers are set out of phase to the total load to keep the machine smaller. Furthermore, this should make it long and narrow Tools can be used.
- phase shift described is fixed, whereby the press can only be optimally designed for one operating point. It is the phase shift between the tappet sections is of course always to be set to the worst case with regard to depth of draw, workpiece width, etc.
- DE-PS 1 452 772 describes a step press with a main ram and one or more additional tappets, in which the additional tappets face each other run through the main tappet with a time shift. This is supposed to Stress peaks for the press can be avoided.
- the phase shift of the individual press stages should can be optimally adapted to the number of strokes of the press.
- this task is performed by the multi-station press Claim 1 solved.
- the individual press stages can be set very precisely to their specific characteristics, e.g. the shape and size of the workpiece and thus also the tool that Degree of deformation, the depth of draw and other occurring during sheet metal forming Influencing variables, whereby the entire pressing process can be made variable can.
- the phase offset can advantageously be aimed at each individual depth of draw or other specific conditions of a press stage can be set.
- the multi-station press thus created enables the number of strokes to match the press conditions be adjusted and increased in many cases. So that increases also the parts output of the machine, since this is directly dependent on the stroke rate of the Press depends.
- the adjustment of the couplings can depend on various parameters be feasible within the multi-station press.
- Various devices can be provided for adjusting the couplings be. Particularly simple adjustment options result from use a locking device of the drive shaft, a locking device one of the tappets or a pressure point adjustment device. It is only necessary to be able to lock the drive at any point, so that the to be able to adjust individual couplings to the respective circumstances.
- the Multi-station press 1 is in workstations or press stages 2, 3, 4, 5, 6 divided up. Each press stage 2, 3, 4, 5, 6 has a table 7, 8, 9, 10, 11 the top of which is arranged a sliding table 12, 13, 14, 15, 16. On the sliding tables 12 to 16 are associated with a respective tool Lower tools 21, 22, 23, 24, 25. Press stages 2 to 6 are rams 27, 28, 29, 30, 31 assigned. Upper tools 32, 33, 34, 35, 36 attached, which are intended with the lower tools 21 to 25 to cooperate as can also be seen in FIG. 1 the rams 27 to 31 at different heights within their press stages 2 to 6.
- the press stages 2 to 6 are one behind the other with respect to a direction of passage T. arranged and by means of a transfer system 40 by separate transfer devices 41, 42, 43, 44 is formed, chained together. Because of the separate The transfer system 40 is also called a segmented transfer device 41 to 44 Designated transfer system 40.
- the transfer devices 41 to 44 can be constructed identically to one another the transfer system 40 as a so-called two-axis transfer system 40 is trained. This means that the transfer system 40 is only one transport step and must perform a lifting stroke and unlike others known transfer systems, which were mostly designed as three-axis systems, a closing process is omitted.
- the transfer devices 41 to 44 are independent controllable from each other.
- the transfer device 41 It is a crossbar 46 attached to the transfer device 41 in three different ways Positions shown. On the crossbar 46 are two as suction spiders 47 trained gripping devices arranged, whereby a workpiece 48, which is also shown in three different positions can be. The three positions in which the workpiece 48 is located are thereby on the lower tool 21, on the lower tool 22 and between press levels 2 and 3.
- the plungers 27 and 28 are moved up and down by a drive device 50.
- the drive device 50 is shown in Fig. 3 and it is therefore on the Execution of the drive device 50 only received at a later time. Due to the movement of the plunger 27 and 28, the workpiece 48 becomes corresponding the design of the lower tools 21 and 22 and the upper tools 32 and 33 deformed.
- the transfer device 41 is now for this provided the workpiece 48 from one press stage 2 to the next press stage 3 to be transported. This transport process must be as quick as possible be carried out to a maximum speed of the plunger 27 and 28 and to be able to achieve a maximum number of strokes of the multi-station press 1.
- the workpiece 48 After passing through the press stage 3, the workpiece 48 is moved by the transport device 42 transported in the same way in press stage 4 until it finally leaves the press stage 6 as a finished part.
- the transport device 42 transported in the same way in press stage 4 until it finally leaves the press stage 6 as a finished part.
- top dead center represents OT the plunger 27 and 28 represent the 0 ° and 360 ° point of movement.
- a lower one Dead center UT therefore represents the 180 ° point of movement the downward movement of the plungers 27 and 28 in a range between 0 ° and 180 ° instead, whereas the upward movement of the plunger 27 and 28 between 180 ° and 360 °.
- the degrees mentioned below are only examples and are determined by various parameters, e.g. the workpiece 48, the lower tools 21 and 22, the upper tools 32 and 33 and by various other factors affected.
- the transfer device 41 can e.g. only at one Move the plunger 27 into the 240 ° position in press stage 2. There it takes hold Transfer device 41 through the suction spiders 47 and moves the workpiece 48 towards the press stage 3. To the workpiece 48 for the subsequent To bring processing into press stage 3, the transfer device 41 can Press level 3 e.g. left at a 120 ° position. This results in thus a rotation angle of 240 °, in which the transfer device 41 Loading of press stage 3 must have been carried out in order to avoid collisions. This angle of rotation can also be converted into a time, because for each path or angle of rotation belongs to a time. The transport process must then take place during this time be completed, which is also called the time window for the transport process becomes.
- the phase shift described above is also in the same way performed between the impacts 28 to 31. This leaves the workpiece 48 longer time in the multi-station press 1, depending on the setting of the Phase shift of the plunger 27 to 31 can be up to 180 ° and more plays no role for the number of strokes of the multi-station press 1. Since the Stroke rate does not decrease, but by optimizing the ram speeds may even increase, as a result even increased emissions are expected. As is known, the number of strokes of the multi-station press 1 determines the output quantity on workpieces 48 and not the throughput time of a single workpiece 48.
- the optimal phase shift between two consecutive shocks 27 to 31 depends on various influencing factors, which generally relate to Range of press design can be expected. These are e.g. the number of strokes the multi-station press 1, the degree of deformation of the workpiece to be formed 48, which also includes the drawing depth, the width of the workpiece 48, and generally the transport movement of the workpiece 48.
- the transport movement of the workpiece 48 depends primarily on the geometrical nature press levels 2 to 6.
- the multi-station press 1 is in a different form of representation shown. For reasons of clarity, there are only four press stages 2 to 5 shown. However, it has essentially the same characteristics as the multi-station press 1 shown in FIG. 1, but closer to the Drive device 50 is received.
- the drive device 50 of the Multi-station press 1 is shown essentially completely in accordance with FIG. 5 and has two drive motors 51, 52.
- the drive motors 51, 52 are connected to a drive shaft 54 by a gear mechanism 53.
- the Drive shaft 54 is divided into several shaft sections 55, 56, 57, 58 which are each assigned to a press level 2 to 5. On that of the drive motors 51, 52 distal end of the drive shaft 54 is in a known Way central locking 59.
- the shaft sections 55 to 58 are connected to one another by couplings 60, 61, 62.
- the couplings 60 to 62 are adjustable. This makes it possible set the phase offset between the shocks 27 to 31 as mentioned above. It is necessary that each clutch 60 to 62 individually is adjustable or can be engaged and disengaged. The adjustment of the clutches 60 up to 62 is possible in different ways.
- Another way to adjust the couplings 60 to 62 and thus the adjustment of the phase shift is to fix the plunger 31.
- This Adjusting the clutches 60 to 62 is basically the same way like locking the shaft sections 55 to 58 in front of them. This will also achieved that the drive shaft 54 in the drive motors 51 and 52 distant area can not twist.
- Such a locking device, not shown to lock one of the plungers 27 to 31 is known in Executed in this way and usually on the joints 27 to 31 of multi-station presses 1 available.
- a so-called pressure point adjustment device offers one alternative way of adjusting the couplings 60 to 62. This is also usually provided in the upper part of the plunger 27 to 31.
- the pressure point adjustment device is in accordance with its original purpose provided to adapt the plunger to different tools. So could by simultaneously locking all plungers 27 to 31 using the pressure point adjustment device the desired phase shift of the plunger 27 to 31 in can be set easily.
- the saucers 27 to 31 are each one Sealing set. The clutches 60 to 62 are now released.
- the coupling halves move towards each other when the pressure point is adjusted twisted. If the new value of the phase offset is reached, the couplings are fixed again.
- Fig. 7 shows an embodiment of the clutch 62 representative of the Couplings 60 to 62.
- the coupling 62 connects the shaft section 57 here with the shaft section 58.
- One attached to the hydraulic cylinder 68 Projection 69 engages in a cutout 70, also to the clutch 62 belonging sleeve 71.
- the sleeve 71 connects the shaft sections 57 and 58.
- a new phase shoulder is the sleeve 71 with the help of the hydraulic cylinder 68th shifted to the left and the connection between sleeve 71 and shaft section 58 is canceled.
- the shaft section 58 can be compared to the shaft section 57 can be rotated. If the new position is reached, the sleeve 71 is also With the help of the hydraulic cylinder 68 again moved to the right and the shaft sections 57 and 58 are reconnected.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
Description
- Fig. 1
- eine erfindungsgemäße Mehrstationenpresse mit einem darin angeordneten Transfersystem;
- Fig. 2
- einen Ausschnitt aus Fig. 1 in vergrößerter Darstellung mit einem Werkstück;
- Fig. 3
- eine erfindungsgemäße Mehrstationenpresse mit einer Antriebseinrichtung in einer anderen Ausführungsform;
- Fig. 4
- eine Draufsicht auf die Mehrstationenpresse gemäß Fig. 3;
- Fig. 5
- eine Einzeldarstellung der Antriebseinrichtung aus Fig. 4;
- Fig. 6
- den oberen Teil der Mehrstationenpresse aus Fig. 1 in einer perspektivischen Darstellung; und
- Fig. 7
- eine vergrößerte Darstellung der verstellbaren Kupplung gemäß der Linie VII aus Fig. 3;
- 1
- Mehrstationenpresse
- 2, 3, 4, 5, 6
- Pressenstufen
- 7, 8, 9, 10, 11
- Tisch
- 12, 13, 14, 15, 16
- Schiebetisch
- 21, 22, 23, 24, 25
- Unterwerkzeuge
- 27, 28, 29, 30, 31
- Stößel
- 32, 33, 34, 35, 36
- Oberwerkzeuge
- 40
- Transfersystem
- 41, 42, 43, 44
- Transfereinrichtungen
- 46
- Quertraverse
- 47
- Saugerspinnen
- 48
- Werkstück
- 50
- Antriebseinrichtung
- 51, 52
- Antriebsmotoren
- 53
- Getriebeeinrichtung
- 54
- Antriebswelle
- 55, 56, 57, 58
- Wellenabschnitte
- 59
- Zentralverriegelung
- 60, 61, 62
- Kupplungen
- 63, 64, 65, 66, 67
- Getriebeeinrichtungen
- 68
- Hydraulikzylinder
- 69
- Vorsprung
- 70
- Aussparung
- 71
- Muffe
Claims (8)
- Mehrstationenpresse (1) zur aufeinanderfolgenden Bearbeitung von Werkstücken (48) in mehreren Schritten, insbesondere Saugerpresse zur Bearbeitung von Blechteilen, mit mehreren hintereinander angeordneten Pressenstufen (2-6), die von dem Werkstück (48) aufeinanderfolgend zu durchlaufen sind, mit wenigstens einer Transfereinrichtung (41) zum Transportieren des Werkstücks (48), mit einer gemeinsamen Antriebseinrichtung (50) für alle Pressenstufen (2-6), die eine in Wellenabschnitte (55-58) aufgeteilte Antriebswelle (54) aufweist, wobei jedem Wellenabschnitt (55-58) mindestens eine Pressenstufe (2-6) zugeordnet ist und mit von der Antriebswelle (54) angetriebenen Stößeln (27-31), die jeweils einer Pressenstufe (2-6) zugeordnet sind, dadurch gekennzeichnet, daß mit Hilfe einer Verstelleinrichtung oder mehrerer Verstelleinrichtungen (60, 61, 62) ein Phasenversatz oder mehrere Phasenversatze veränderbar ist.
- Mehrstationenpresse nach Anspruch 1, dadurch gekennzeichnet, daß der Phasenversatz in Abhängigkeit von einem Transportweg eines Werkstückes (48) innerhalb der Mehrstationenpresse (1) einstellbar ist.
- Mehrstationenpresse nach Anspruch 1, dadurch gekennzeichnet, daß der Phasenversatz in Abhängigkeit von der Größe eines Werkzeuges (48) innerhalb der Mehrstationenpresse (1) einstelbar ist.
- Mehrstationenpresse nach Anspruch 1, dadurch gekennzeichnet, daß der Phasenversatz in Abhängigkeit von einer Zieh-tiefe eines Werkstückes (48) innerhalb der Mehrstationenpresse (1) einstellbar ist.
- Mehrstationenpresse nach einem der Ansprüche 1 bis 4 dadurch gekennzeichnet, daß zur Verstellung des Phasenversatzes eine Verriegelungseinrichtung der Antriebswelle (54) vorgesehen ist.
- Mehrstationenpresse nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß zur Verstellung des Phasenversatzes eine Verriegelungseinrichtung eines der Stößel (27-31) vorgesehen ist.
- Mehrstationenpresse nach einem der Ansprüche 1 bis 4 dadurch gekennzeichnet, daß zur Verstellung des Phasenversatzes eine Druckpunktverstelleinrichtung vorgesehen ist.
- Mehrstationenpresse nach Anspruch 1, dadurch gekennzeichnet, daß jeweils zwischen zwei hintereinander angeordneten Wellenabschnitten (55-58) eine verstellbare Kupplung (60-62) zur Einstellung eines spezifischen Phasenversatzes zwischen zwei aufeinander folgenden Pressenstufen (2-6) angeordnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19654473A DE19654473A1 (de) | 1996-12-27 | 1996-12-27 | Mehrstationenpresse |
DE19654473 | 1996-12-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0850752A1 true EP0850752A1 (de) | 1998-07-01 |
EP0850752B1 EP0850752B1 (de) | 2004-05-19 |
Family
ID=7816290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97121901A Expired - Lifetime EP0850752B1 (de) | 1996-12-27 | 1997-12-12 | Mehrstationenpresse |
Country Status (3)
Country | Link |
---|---|
US (1) | US6453718B1 (de) |
EP (1) | EP0850752B1 (de) |
DE (2) | DE19654473A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2223210A1 (es) * | 2000-12-29 | 2005-02-16 | SCHULER PRESSEN GMBH & CO.KG | Prensa con un macho. |
DE102006003522A1 (de) * | 2006-01-24 | 2007-08-02 | Müller Weingarten AG | Transfersystem mit Wendevorrichtung |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101583208B1 (ko) * | 2007-11-09 | 2016-01-12 | 밤코 인터내셔널, 인크. | 구동 장치 및 프레스 머신에 대한 방법 |
CN102470420B (zh) * | 2009-07-06 | 2014-05-07 | 株式会社小松制作所 | 压力机的工件搬送装置及工件搬送单元 |
EP2412637B1 (de) * | 2010-07-29 | 2013-05-01 | MULTIVAC Sepp Haggenmüller GmbH & Co KG | Verpackungsmaschine mit mehreren Arbeitsstationen |
CN116061492B (zh) * | 2023-03-27 | 2023-08-11 | 成都正西液压设备制造有限公司 | 一种全自动双工位石墨坩埚液压机控制系统及控制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2804806A1 (de) * | 1977-02-09 | 1978-08-10 | Komatsu Mfg Co Ltd | Mechanische einstaenderpresse mit c-foermig ausgebildeter arbeitsstation |
EP0388610A1 (de) * | 1989-02-18 | 1990-09-26 | SCHULER PRESSEN GmbH & Co. | Pressen-Anlage mit mehreren Pressen zum Bearbeiten von Blechteilen |
DE4408449A1 (de) * | 1994-03-12 | 1995-09-14 | Mueller Weingarten Maschf | Transportsystem |
JPH08206883A (ja) * | 1995-02-02 | 1996-08-13 | Aida Eng Ltd | マルチスライド機械プレス |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US449145A (en) * | 1891-03-31 | Method of and apparatus for reducing metals | ||
US1833376A (en) * | 1930-10-29 | 1931-11-24 | Ira J Simmons | Rolling mill |
DE1452772A1 (de) | 1964-08-14 | 1969-10-30 | Weingarten Ag Maschf | Stufenpresse |
US3605479A (en) * | 1968-05-08 | 1971-09-20 | Textron Inc | Forming press |
CH680276A5 (de) | 1990-01-30 | 1992-07-31 | Bruderer Ag | |
DE4221143A1 (de) * | 1992-06-27 | 1994-01-05 | Schuler Gmbh L | Pressenanlage mit Längstraversen |
JP2593417B2 (ja) * | 1994-08-12 | 1997-03-26 | 株式会社小松製作所 | トランスファプレス |
US5761994A (en) * | 1995-02-02 | 1998-06-09 | Aida Engineering Ltd. | Multi-slide mechanical press with phase difference |
-
1996
- 1996-12-27 DE DE19654473A patent/DE19654473A1/de not_active Withdrawn
-
1997
- 1997-12-12 DE DE59711639T patent/DE59711639D1/de not_active Expired - Lifetime
- 1997-12-12 EP EP97121901A patent/EP0850752B1/de not_active Expired - Lifetime
- 1997-12-29 US US08/998,777 patent/US6453718B1/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2804806A1 (de) * | 1977-02-09 | 1978-08-10 | Komatsu Mfg Co Ltd | Mechanische einstaenderpresse mit c-foermig ausgebildeter arbeitsstation |
EP0388610A1 (de) * | 1989-02-18 | 1990-09-26 | SCHULER PRESSEN GmbH & Co. | Pressen-Anlage mit mehreren Pressen zum Bearbeiten von Blechteilen |
DE4408449A1 (de) * | 1994-03-12 | 1995-09-14 | Mueller Weingarten Maschf | Transportsystem |
JPH08206883A (ja) * | 1995-02-02 | 1996-08-13 | Aida Eng Ltd | マルチスライド機械プレス |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 096, no. 012 26 December 1996 (1996-12-26) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2223210A1 (es) * | 2000-12-29 | 2005-02-16 | SCHULER PRESSEN GMBH & CO.KG | Prensa con un macho. |
DE102006003522A1 (de) * | 2006-01-24 | 2007-08-02 | Müller Weingarten AG | Transfersystem mit Wendevorrichtung |
Also Published As
Publication number | Publication date |
---|---|
US6453718B1 (en) | 2002-09-24 |
EP0850752B1 (de) | 2004-05-19 |
DE19654473A1 (de) | 1998-07-02 |
DE59711639D1 (de) | 2004-06-24 |
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