EP2603334A1 - Ziehpresse mit statischer blechhaltung - Google Patents
Ziehpresse mit statischer blechhaltungInfo
- Publication number
- EP2603334A1 EP2603334A1 EP11743835.8A EP11743835A EP2603334A1 EP 2603334 A1 EP2603334 A1 EP 2603334A1 EP 11743835 A EP11743835 A EP 11743835A EP 2603334 A1 EP2603334 A1 EP 2603334A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- plunger
- drawing press
- press according
- 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
- 230000003068 static effect Effects 0.000 title description 3
- 230000000903 blocking effect Effects 0.000 claims abstract description 30
- 230000033001 locomotion Effects 0.000 claims abstract description 22
- 238000004080 punching Methods 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000000284 resting effect Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 description 10
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 241000239290 Araneae Species 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 101150107341 RERE gene Proteins 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/04—Blank holders; Mounting means therefor
-
- 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
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
-
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/10—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
- B30B1/14—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism operated by cams, eccentrics, or cranks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/18—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by screw means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/26—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks
- B30B1/266—Drive systems for the cam, eccentric or crank axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/26—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks
- B30B1/28—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks the cam, crank, or eccentric being disposed below the lower platen or table and operating to pull down the upper platen or slide
Definitions
- the invention relates to a drawing press, which is particularly suitable for integration in press lines, press lines, hybrid presses or transfer presses for the production of body parts.
- the first press stage is usually a drawing press, which gives a spatial shape to a board which was then the same.
- a drawing press which gives a spatial shape to a board which was then the same.
- This is done in egg ⁇ nem drawing tool, which holds the edge of the board by clamping ⁇ , or can be controlled to slide towards the sheet center, while the enclosed by the blank holder part of the sheet between a die and a stamp ge ⁇ wished spatial shape receives .
- drawing presses have become established in which the stamp is supported in a resting position on a press table and the associated die is held on the vertically movable plunger up and down.
- thermoforming components can be produced with low energy consumption.
- the drawing press has a plunger for ⁇ On acceptance of a Matrizenwerkmaschines and a driven table for receiving a stamping tool.
- the plunger and the table are thus controlled towards each other and controlled from each other.
- the drawing press has two in a line against each other movable machine elements, namely the plunger and the press table, which perform the drawing process together.
- the ram only has the reduced task of opening and closing the tool and clamping the drawing edge of the workpiece.
- the drawing stroke provides the press table by movement of the punch tool with resting ram and ru ⁇ hendem sheet holder.
- the slide drive preferably has a blocking position, in the pressure acting on the plunger forces with at least ⁇ largely, if not completely bypass the actual drive source, such as a Ser ⁇ vomotors be introduced into the press frame.
- a blocking position is provided for example by an eccentric gear, a toggle mechanism or a ähnli ⁇ chen transmission in the respective extended position.
- the extended position is the position in which the lifting arm of the eccentric (connecting line between the center of rotation of the eccentric and the center of the eccentric) is aligned with the connected connecting rod.
- the table drive provides the punch stroke, which is required for the Formge ⁇ tion of the sheet metal part, preferably while the ram drive is in blocking position or other rest position.
- the die rests during the drawing process, in particular, it applies the sheet holding force against the likewise stationary sheet holder.
- the blank holder force is thus preferably both by the plunger and the die carried by it, as it may ⁇ least the sheet metal holder is initiated into the press frame ⁇ static and does not have to be exerted by actuators. This considerably reduces the power required to drive the ram as well as to drive the table. The power required to move the plunger is low.
- the sheet metal holding force must be built once. It is then held statically by the press frame.
- the sheet holding force can also be applied by a short-stroke plate holder drive.
- the Blechhal ⁇ terantrieb may also have a blocking position.
- it can be designed as a short-stroke eccentric drive or as a cam drive, which clamps the blank holder against the edge of the die tool and introduces the clamping forces directly into the press frame.
- a blocking position is achieved here when the eccentric drive is in an extended position or a cam drive is on a cam section maximum Radi ⁇ us.
- a movement of the driving servomotor has no or only a negligible minimum sheet holder movement result.
- the presented press concept minimizes applied to the Stö ⁇ ßelantrieb and the table drive power and the power exchange between these drives.
- the press comes, compared to presses where an intense exchange of energy between ram drive and die cushion takes place, with the same power with smaller drives.
- the stroke of the plunger serves the ⁇ ff ⁇ nen and closing the tool, especially the stroke of the table to move the plunger and thus to imple ⁇ tion of the actual drawing process is used.
- the ram stroke can only be 1000 mm and the table lift can be only 300 or 400 mm.
- the plunger drive can turn out smaller than a conventional drive.
- the presented press concept allows Rothbenut ⁇ Zung existing tool sets that were provided per se for use with stationary die and during drawing down ⁇ be wegtem plate holder. Also, conventional transfer devices can continue to be used without significant adaptation.
- the linearly movable table can have a group of passages through which supporting elements extend. These support elements, for example, in Ges ⁇ talt straight pins extend through it
- the abutment is preferably arranged stationary with respect to the press frame. This means that the Posi ⁇ tion of the sheet holder with respect to the press frame is fixed or optionally fixed via a setting device. If the board lying on the blank holder is clamped by the die against the blank holder and then the plunger drive is in blocking position (ie, for example, its gear in an extended position), the blanking force is determined by the springing of the press frame. This springing can be in the range of a few millimeters to a few 10 mm.
- the elastically stored in the press frame energy can be transferred back to the Stö ⁇ ßelantrieb the return stroke of the plunger, which further reduces the gross energy ⁇ consumption of the drawing press. It is also possible to resiliently support the abutment on the press frame, for example via spring assemblies. Wei ⁇ ter, it is possible to assign the abutment an adjustment drive hydraulic or mechanical nature. For example, the adjustment drive as explained above, a short-stroke toggle mechanism or even a Exzentergetrie ⁇ be or the like. The adjustment stroke will typically be at most a few 10 mm. This concept is particularly advantageous when the ram drive drive only with little force in its blocking position and can lock there. In this case, the blank holder force can be applied by blocking the ram from the mentionedhubigen plate holder drive. The Verstellhub the sheet holder drive is then preferably at least as large as the total occurring springing of the press ⁇ frame.
- both the ram drive and the table drive are preferably servomotor drives.
- the servo motors are working on the plunger and the table preferably via gear, have at least one rest position to ⁇ .
- a rest position is a position in which the sub ⁇ setting between the servo motor and ram or table in at least one point is very large or even infinite. This applies to eccentric gear as well as to Kniehebelge ⁇ gear in the extended position of the elements involved. Multi-membered transmission with a plurality of draft documents can be used ⁇ advantageous way.
- the servo motor of the plunger drive in order ⁇ sweeping mode is operated. It stops near the bottom plunger dead point and thus brings the eccentric and its connecting rod in an extended position. To move the plunger back after the forming of the sheet metal part in the opposite direction from the bottom dead center, ie to open the tool, If desired, the servomotor can be rotated in the opposite direction until the plunger has completed the desired stroke.
- the passing of the eccentric rotation angle can be set to a value ⁇ 180 degrees, or preferably ⁇ 90 ° ⁇ be limited. The same applies to the table drive, where the rotation angle can even be limited to values ⁇ 60 ° degrees.
- FIG. 1 shows a drawing press according to the invention in a schematic representation with open tool.
- FIG. 2 shows the press of Figure 1 at the beginning of a drawing operation.
- FIG 3 shows the press of Figure 1 at the completion of a pulling ⁇ process.
- FIG 4 shows the press of Figure 1 after performing a drawing process with the tool open.
- Figure 5 shows a modified disclosed embodiment of erfindungsge ⁇ MAESSEN drawing press in a schematic representation
- Figure 6 of the o- can also serve as a stage drive in the erfindungsge ⁇ MAESSEN drawing press as a modified drive slide drive alternatively,
- FIG. 7 shows a tensioning device of an alternative embodiment of the drawing press in a schematic representation
- Figure 8 is a schematic perspective view of a Sheet metal holder clamping surface of the sheet holder of the drawing press
- Figure 9 is a schematic block diagram depicting similar ⁇ lung of a further embodiment of the drawing press.
- FIG. 1 illustrates a drawing press 10 which can be used to produce large sheet-metal parts, for example body parts.
- a press frame 11 which includes at least one, preferably meh ⁇ rere, preferably vertically oriented stand 12, a head 13 which is supported by the uprights 12, and a base 14, which is arranged below or between the uprights 12 is.
- the head 13, the stand 12 and the base 14 form a closed frame.
- a plunger 15 is movably mounted in an example vertical direction of movement 16.
- linear guides 17th for the storage of the plunger 15 are provided for example on the uprights 12 provided linear guides 17th
- the plunger 15 serves to receive an upper tool ⁇ part, which is designed as a die tool 18. It is shown in section in Figure 1 and has a rim 19 which serves to clamp and hold the edge of a workpiece during the drawing operation.
- the workpiece is formed by a board 20 that is, an initially flat sheet.
- the rim 19 surrounds a tool cavity 21 into which the workpiece is to be deformed.
- a ram drive 22 which comprises one or more servo motors 23, 24, the Ü over one or more gear 25, 26 ver ⁇ connected with the plunger 15.
- the two gear 25, 26 are mirror-symmetrical to each other in the present embodiment and each constructed as an eccentric gear. They each comprise ⁇ wells an eccentric 27, 28, which is connected via a connecting rod 29, 30 with the plunger 15 °.
- the drawing press 10 has a press table 31, on which a travel table 32 can be arranged.
- the drive table 32 is used in a known manner the tool change.
- the drive table 32 carries the lower tool part, to which ne tool support 33, with a punch tool 34 arranged thereon and a blank holder 35 belong.
- the punch tool 34 is a convex die whose upper contour corresponds to the cavity 31. It is surrounded by the rectangular-shaped sheet metal holder 35 in most cases, wherein the sheet holder 35 and the punch tool 34 bezüg ⁇ Lich the movement direction 16 are mutually movable.
- the press table 31, or its table drive 36 is linearly movable in the press frame on the uprights 12 and / or the base 14 by means of guide means 37 in the direction of movement.
- To the table drive 36 includes one or more gear 38, 39, which, like the transmission 25, 26, each having a blocking position. They are designed, for example, as eccentric gears which bring the press table 31 into drive connection with one or more servomotors 40, 41.
- the gear 38, 39 each comprise an eccentric 42, 43, which is connected via a connecting rod 44, 45 with the press table 31.
- the sheet metal holder 35 is supported by suitable Ab amongle ⁇ elements, for example in the form of pressure pins 46 on an abutment 47 on.
- the abutment 47 may be arranged stationary in the simplest case with respect to the base 14. Alternatively, it may be associated with an adjustment device 48 which can adjust the position of the abutment 47 with respect to the direction of movement 16, for example. This is usually done in the no-load condition.
- the Verstellap ⁇ adapter 48 may also be designed so that it can adjust the abutment 47 under load, for example to to selectively influence or regulate the force acting on the blank holder 35 and thus on the drawing edge of the workpiece.
- the adjusting apparatus 48 may be in the form of hydraulic cylinders, toggle-lever adjusters, reciprocating spindle adjusters or the like. Between the abutment 47 and the table drive 36 16 oriented linear guides 49 may be provided in the direction of movement.
- the drawing press 1 is in the open position.
- the plunger 15 is moved by appropriate rotation of the Ex ⁇ centers 27, 28 in an upper position.
- the press table 31 is driven by corresponding rotation of the eccentric 42, 43 in a lower position.
- the punch tool 34 protrudes little or not much above the sheet holder 35.
- a substantially planar board can be placed on the blank holder 35.
- ⁇ suction spiders or when appropriate, not shown here work piece ⁇ transport means, such as feeder other grippers are moved out of the tool area out, can close the tool.
- the drawing press 10 is transferred to the position illustrated in FIG.
- the servomotors 23, 24 not shown here have the eccentric 27, 28 turned so far that the plunger 15 has reached its bottom dead center. Shortly before reaching the bottom dead center, the edge 19 of the die tool 18 sets on the edge of the board 20 and be ⁇ starts to press against the blank holder 35.
- the sheet metal holder 35 rests on the supporting elements 46 adamant on the abutment 47, so that now the press frame is clamped in BEWE ⁇ supply direction sixteenth Its spring constant in conjunction with the set position of the sheet holder 35, the clamping force acting on the edge of the board 20 is very precise. If the bottom dead center of the Stö ⁇ ßels 15 and thus reaches the clamping position of the die tool 18, the servomotors 23, 24 are completely or at least almost free of load. The blank holding force is supported on the located in the straight position of the Pleuelexzenteranowski ⁇ bes 25 and 26 to the head. 13 For the upright ⁇ received the force acting on the edge of the board 20 holding force no energy is consumed. There is also no energy exchange between ram drive and any die cushion instead.
- the drawing press 10 so far described offers a concept which is suitable for the further use of drawing tools which have hitherto been used in presses with drawing cushions arranged at the bottom.
- the press table 31 has a group 50 of openings 51, 52, 53, through which the support elements 46 can optionally be inserted therethrough.
- tools of different sizes can be used ⁇ whose whose plate holder 35 span different distances.
- the plunger 15 can be moved by pulling the gear 25, 26, when the servomotors 23, 24 are arranged on the base 14.
- the drive of the press table 31 in this and also in all other embodiments can be effected by a single servo motor 40, when the gears of the eccentric 42, 43 mesh with each other or when the eccentric 42, 43 in other ways by suitable transmission means un ⁇ connected to each other.
- the eccentric 42, 43 can be reduced to segment wheels, so that a toothing can be limited to a part of the circumference. In order to reduce costs, this measure can also be applied to the eccentrics 27, 28 or their toothed wheels.
- Figure 6 shows a drive device which can be used either as a ram drive 22 as well as a table drive 36 application.
- this drive has a rest position when its links 54, 55 are in an extended position. In this extended position causes rotation of the driving servo motor 23, 24 (or equivalent 40, 41) no or only an extremely small linear displacement of the attached Schlos ⁇ Senen member, for example of the plunger 15. In this a ⁇ acting forces on straight paths through the link 54 , 55 supported on the press frame 11 without burdening the servo ⁇ motors.
- a clamping device 60 which serves to clamp the sheet metal holder 35 against the upper plunger 15.
- the clamping device 60 comprises a plurality of clamping units which are preferably distributed along the annular plate holder 35.
- To the clamping unit 60 includes a tension element in the form of a clamping bolt 61, which is held on the plunger 15 and on the plate holder 35 and away from this, at least insignificantly ⁇ , movably mounted.
- the minimal to be traversed by the clamping bolt 61 movement stroke corresponds to the stroke, which is required after mounting of the plunger 15 on the board 20 for tightening the same. In individual cases, this stroke can be very small and amount to a few millimeters or fractions of a millimeter. Preferably, however, the stroke is much larger and indeed so large that clamping bolt 61 can be substantially completely retracted into the plunger 15.
- the clamping bolt 61 is associated with a force generating device 62, which is formed here for example in the form of a hydraulic drive device. It is formed by a hydraulic cylinder 63 with two working chambers 64, 65, which are separated from each other by a piston 66.
- the clamping bolt 61 forms, for example, the piston ⁇ rod of the piston 66. This is sealed from the hydraulic raulikzylinder 63 brought out.
- the clamping bolt 61 has at its lower end a locking means 67, such as a recess for ⁇ In game in the form of a locking groove 68 which as
- the Verriege ⁇ ment groove 68 is limited to the force-generating device 62 side facing a conical edge and on the opposite side with a flat edge.
- To the clamping unit 60 also includes a clamping bolt 61 associated locking device 69, which has at least one, preferably a plurality of radially movable latch 70, 71. These are by a hydraulic or other actuator 72, z. B. actuated in the form of an annular piston which is arranged coaxially to a clamping bolt 61 receiving bore 73 in an annular chamber. He actuates the latch 35, 36 via a wedge gear and thus can selectively adjust the latch 35, 36 radially.
- the clamping bolt 61 can extend when opening and closing the tool in the bore 73 and out of this. However, it may also have a length that is so great that he always slides in the bore 73 without driving for For from this ⁇ . It can also clamping units with long and clamping units are provided mixed with short bolts, with clamping units with short clamping bolt 61, which extend from its bore 73, are located where they would otherwise the workpiece for its transport in the way.
- the locking device 69 provides a positive and / or positive connection with the clamping bolt 61 of the plunger.
- the latches 69, 70 engage in the locking groove 68 on the associated clamping bolt 61.
- the sheet holding force between plate holder 35 and the plunger 15 can be set to save energy.
- the edge 19 facing and provided for contact with the board 20 plate holder clamping surface 74 is configured (Figure 8). That is, the blank holder clamping surface 74 has no projections or Ver ⁇ recesses, in particular no terminal strips that lead to egg ⁇ ner corresponding local indentation in the board 20 during clamping.
- the surface normal N on the Blechhal ⁇ ter clamping surface 74 is aligned at each point perpendicular to the associated ⁇ surface of the board 20 and the surface of the edge 19.
- a knee lever drive ⁇ At least one of the lever 75 of the toggle drive or a toggle joint, a position sensor 76 may be assigned. Via the position sensor 76, it is detected whether the toggle lever arrangement, to which the lever 75 belongs, has assumed its extended position and thus its blocking position, which is illustrated in FIG.
- the position sensor 76 is connected to a control unit 77 for transmitting the position sensor signal S thereto.
- the position sensor 76 can simultaneously serve as a stop and / or damping element for the lever 75 or a stop 76a and / or a damping element 76a aufwei ⁇ sen. As a result, the blocking position can be specified exactly.
- the ram drive 22 operates in this imple mentation form preferably in oscillating operation, wherein the servomotor or the servo motors of the plunger drive 22 reverse their direction of rotation at the upper and lower end positions of the plunger 15, respectively.
- the plunger drive 22 could also be designed as an eccentric drive, as shown in the previous personssbei ⁇ games.
- the Matritzenwerkmaschine 18 may optionally associated with a permeability ⁇ sensor 78, which generates a Switzerlandschreibssignal Z and transmitted to the control unit 77.
- the tension ⁇ signal Z describes the load acting on the board 20 ⁇ train stress during forming.
- the permeability sensor 78 detects the changing due to the tensile stress permeability of the board 20.
- the tension signal Z can be used to optimize the sheet holding force of the sheet holder 35 and / or the forming force between the punch tool 34 and the board 20.
- the table drive 36 is formed by one or more spindle drives 79.
- the spindle drive 79 has a spindle 80, a spindle ⁇ nut 81 and an example according to the spindle nut 81 driving electric motor 82.
- the electric motor 82 could also drive the spindle 80.
- the electric motor 82 is preferably designed as a hollow shaft motor with internal rotor, which surrounds the driven component, ie the spindle 80 or the spindle nut 81 ko ⁇ axially.
- Such spindle motors 79 are ⁇ example according to as adjustment 48 for setting the
- Sheet holding force of the sheet holder 35 is provided.
- the spindle drives 79, and the electric motors 82 of the Spindle drives 79 are controlled ⁇ by the control unit 77.
- the translation between the spindle nut 81 and the spindle 80 may in particular be so- ⁇ selected when adjustment device 48 that a self-locking occurs in the spindle transmission.
- the associated electric motor 82 only has to be operated if the plate holding force has to be changed or readjusted. To maintain a set plate holding force of the electric motor must not be energized.
- the control unit 77 also controls the plunger drive 22 and in the embodiment shown here a Blo ⁇ ckier sensible 83.
- the blocking device 83 is disposed between the press frame 11, for example, the head 13, and the plunger 15. Regardless of whether the Stö ⁇ ßelantrieb 22 is exactly in its blocking position or not, a rigid connection between the plunger 15 and the press frame 11 can be made via blocking device 83. This rigid coupling prevents ei ⁇ ne movement of the plunger 15 in the direction of movement 16 due to the forces acting on the plunger 15 forces by the blank holder 35 or the punch tool 34th
- the blocking device 83 can be switched between a coupling position K (solid lines in FIG. 9) and a release position F (dotted lines in FIG. 9).
- the blocking device 83 transversely to the direction of movement 16 slidable blocking elements 84, which cooperate in their coupling position K with counter-elements 85 on the plunger 15.
- the blocking elements 84 are aligned with their respective associated counter element 85 in motion ⁇ device 16 and rest against the associated end faces 86 Toggle each other.
- the plunger 15 is therefore supported on the press frame 11 and, according to the example, on the head 13.
- the blocking elements 84 are offset transversely to the movement direction 16 to the counter-elements 85, so that by the plunger drive 22, the plunger 15 can be moved from its lower end position in the direction of movement 16 upwards.
- a linear actuator 87 For moving the lock members 84 between the coupling position ⁇ K and the release partition F 83 has the blocking means to a linear actuator 87, which is controlled by the control unit 77th
- a linear drive 87 for example, serve a spindle drive, which is driven by egg ⁇ nem electric motor.
- Other linear to ⁇ drives can be used.
- the movable locking members 84 may be angeord ⁇ net also on the plunger 15 °. Then the counter-elements 85 are arranged on the press frame 11 and preferably on the head 13.
- the adjusting device 48 may then be assigned to an existing on the plunger 15 edge part, which cooperates with the plate holder 35 for clamping the board and is movable in the direction of movement 16 by the adjusting device 48.
- the drawing press 10 according to the invention has an abutment 47 for supporting a stationary plate holder 35, which is part of a tool and can be supported via the abutment 47 on the press ⁇ sengestell 11.
- the blank holder 35 is associated with a tappet 15 with a die tool 18, wherein the plunger 15 is moved via a ram drive with blocking ⁇ position.
- the blocking position is ⁇ example, achieved by a gear 22 that in Blockierstel ⁇ ment no movement from the transmission output to the driving servomotor 23 and / or 24 transmits.
- this is achieved by an eccentric gear 25, 26, when this is in an extended position.
- the punch tool 34 is vertically movable ge ⁇ superimposed.
- the associated in the drive table 32 is raised or lowered by the Pres ⁇ sentisch 31 via a table drive 36.
- a table drive 36 is preferably in turn a servomotor drive with a non-linear transmission, in ⁇ example, an eccentric.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Press Drives And Press Lines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010034518 | 2010-08-16 | ||
DE201010037950 DE102010037950B4 (de) | 2010-10-04 | 2010-10-04 | Ziehpresse mit statischer Blechhaltung |
PCT/EP2011/064043 WO2012022720A1 (de) | 2010-08-15 | 2011-08-15 | Ziehpresse mit statischer blechhaltung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2603334A1 true EP2603334A1 (de) | 2013-06-19 |
EP2603334B1 EP2603334B1 (de) | 2018-04-25 |
Family
ID=44630303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11743835.8A Active EP2603334B1 (de) | 2010-08-16 | 2011-08-15 | Ziehpresse mit statischer blechhaltung |
Country Status (7)
Country | Link |
---|---|
US (1) | US10160023B2 (de) |
EP (1) | EP2603334B1 (de) |
JP (1) | JP2014501617A (de) |
BR (1) | BR112013003446A2 (de) |
ES (1) | ES2670848T3 (de) |
MX (1) | MX358381B (de) |
WO (1) | WO2012022720A1 (de) |
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DE102012103807A1 (de) * | 2012-05-02 | 2013-11-07 | Komage-Gellner Maschinenfabrik Kg | Pulverpresse |
CN103433343A (zh) * | 2013-08-19 | 2013-12-11 | 苏州市胜能弹簧五金制品有限公司 | 一种适用于薄型模板冲压的线性冲压装置 |
DE102013114693A1 (de) * | 2013-12-20 | 2015-06-25 | Fette Engineering GmbH | Stopfstempelstation und Verfahren zum Füllen von Kapseln in einer Stopfstempelstation |
US9931684B2 (en) | 2014-04-18 | 2018-04-03 | Honda Motor Co., Ltd. | Forming die and method of using the same |
DE102014115240B4 (de) * | 2014-10-20 | 2017-08-24 | Schuler Pressen Gmbh | Pressenantriebsvorrichtung für eine Presse und Presse mit Pressenantriebsvorrichtung |
US10105742B2 (en) | 2014-12-09 | 2018-10-23 | Honda Motor Co., Ltd. | Draw press die assembly and method of using the same |
DE102018201629B4 (de) * | 2018-02-02 | 2023-10-19 | Volkswagen Aktiengesellschaft | Stelleinrichtung zur Einstellung der Flächenpressung in einem Blechumformwerkzeug und Blechumformwerkzeug mit wenigstens einer solchen Stelleinrichtung |
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GB388566A (en) * | 1932-02-18 | 1933-03-02 | Marquette Tool & Manufacturein | Improvements relating to metal working presses |
GB512631A (en) * | 1938-03-09 | 1939-09-21 | Rudolph William Glasner | Improvements in or relating to metal working presses |
JPS60159000A (ja) * | 1984-01-30 | 1985-08-20 | Amada Co Ltd | メカニカルプレスのプレス動作の制御方法 |
JPH0437498A (ja) * | 1990-05-31 | 1992-02-07 | Nissan Motor Co Ltd | トランスファ装置付下部複動プレス装置 |
JP2663707B2 (ja) * | 1990-11-09 | 1997-10-15 | 日産自動車株式会社 | 絞りプレス型 |
IT1254188B (it) * | 1991-02-12 | 1995-09-14 | Dispositivo di imbutitura idroelastico | |
DE4435069A1 (de) * | 1994-09-30 | 1996-04-04 | Dieffenbacher Gmbh Maschf | Hydraulische Tiefzieheinrichtung |
DE19821159A1 (de) * | 1998-05-12 | 1999-11-25 | Johannes Huelshorst | Tiefziehpresse |
DE10117578B4 (de) | 2001-04-07 | 2007-09-13 | Müller Weingarten AG | Ziehpresse |
DE102005001878B3 (de) * | 2005-01-14 | 2006-08-03 | Schuler Pressen Gmbh & Co. Kg | Servopresse mit Kniehebelgetriebe |
WO2007138820A1 (ja) * | 2006-05-09 | 2007-12-06 | Amino Corporation | アンダードライブ式プレス |
DE102006025271B3 (de) | 2006-05-31 | 2007-12-27 | Schuler Pressen Gmbh & Co. Kg | Zieheinrichtung mit hydrostatischer Spindellagerung |
JP2007319917A (ja) * | 2006-06-05 | 2007-12-13 | Shinohara Press Service Kk | 機械式電動サーボプレス機 |
JP5406502B2 (ja) * | 2008-10-10 | 2014-02-05 | 川崎油工株式会社 | サーボモータ駆動プレス成形方法 |
JP5649502B2 (ja) * | 2010-05-25 | 2015-01-07 | アイダエンジニアリング株式会社 | 複数ポイント式サーボプレス装置 |
-
2011
- 2011-08-15 EP EP11743835.8A patent/EP2603334B1/de active Active
- 2011-08-15 JP JP2013525245A patent/JP2014501617A/ja active Pending
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- 2011-08-15 BR BR112013003446-7A patent/BR112013003446A2/pt not_active Application Discontinuation
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JP2014501617A (ja) | 2014-01-23 |
BR112013003446A2 (pt) | 2021-05-25 |
US20130180301A1 (en) | 2013-07-18 |
WO2012022720A1 (de) | 2012-02-23 |
ES2670848T3 (es) | 2018-06-01 |
MX358381B (es) | 2018-08-15 |
MX2013001896A (es) | 2013-08-01 |
EP2603334B1 (de) | 2018-04-25 |
US10160023B2 (en) | 2018-12-25 |
US20180264536A9 (en) | 2018-09-20 |
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