EP3021993A1 - Dispositif permettant d'étendre la fonctionnalité d'une presse - Google Patents

Dispositif permettant d'étendre la fonctionnalité d'une presse

Info

Publication number
EP3021993A1
EP3021993A1 EP15730448.6A EP15730448A EP3021993A1 EP 3021993 A1 EP3021993 A1 EP 3021993A1 EP 15730448 A EP15730448 A EP 15730448A EP 3021993 A1 EP3021993 A1 EP 3021993A1
Authority
EP
European Patent Office
Prior art keywords
bending
press
swivel
table device
pivoting
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.)
Withdrawn
Application number
EP15730448.6A
Other languages
German (de)
English (en)
Inventor
Hubert Troppmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP3021993A1 publication Critical patent/EP3021993A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
    • B21D5/042—With a rotational movement of the bending blade
    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means

Definitions

  • the present invention relates to a column press with a press frame, which - in the position of use of the press - has substantially vertically extending frame members.
  • the aforementioned workshop presses usually have a height between 1, 5 and 2.5 m and a width between 0.5 and 1, 5 m. They have two spaced-apart columns, which are connected to each other in their upper and lower areas by cross members.
  • the vertical columns consist of two opposite ones
  • Flat profile bars which have a number of vertically superimposed horizontal holes and bolts for supporting a pressed part.
  • a generally hydraulically actuated punch is arranged in the middle, which can move under pressure load down and a compressive force of the order of z. B. 5 to 50 tons.
  • the present invention has for its object to provide a device which increases the functionality of such a press.
  • Pressing device with at least one press ram which is movable under the exercise of a pressing force vertically and parallel to the vertical frame elements.
  • the pressing device is a hydraulic pressing device with a slave cylinder whose piston is connected to the press ram and which can be acted upon by a master cylinder or by a hydraulic pump with pressure oil.
  • One of the frame elements may have two columns arranged substantially vertically in the position of use.
  • the term "undercounter device” is - in the sense of the teaching of technical mechanics - to understand the device that receives the workpiece to be formed or supported and receives the counterforce to the pressing device during forming.
  • the under table device is detachable on
  • the undercounter device may be bolted to the frame members or the like.
  • the undercounter device in order to absorb the pressing force, uses the devices which are already used in the press are provided to support the workpiece to be pressed.
  • the undercounter device In order to fix the undercounter device differently also in the horizontal direction, it is preferably provided to provide a front carrying device running in the front region of the frame and a rear carrying device arranged in the rear region of the frame.
  • the support means are longer than the lateral distance of the vertical frame members. If the support means, preferably by means of screws, fixed to each other, they clamp the frame between them. Preferably, these support means are designed as commercially available profiles, particularly preferably as a U-beam.
  • the actual press table is then preferably secured between the U-beams, wherein preferably the press table is supported and fixed between a front U-beam and a rear U-beam by means of adjusting screws.
  • An advantage of this embodiment is that the press table can be used on both sides.
  • upper table device is to be understood as meaning a device which can be moved during or for a machining of a workpiece by means of the press ram relative to the undercounter device
  • Under-sink device and the press die arranged and can be moved by the press ram in the direction of the lower table device.
  • pivoting bending device is to be understood as meaning a device which serves for pivotally bending a workpiece with at least one pivoting bending lower beam and a swivel bending upper beam be connected to the undercounter device and / or the upper table device.
  • Swivel bending lower beam and swivel bending upper beam common
  • Bending cheeks are each formed in particular with a metal profile.
  • the bending cheeks can each be adapted to the desired shape of the workpiece and be interchangeable.
  • a Oberwangenexräger is provided which is slidably supported in the press frame in the vertical direction.
  • plastic sliders more preferably polyamide sliders used, whose shape is such that it adapts to the shape of the vertical frame elements. If the frame elements are formed from two flat profiles, the plastic sliders can be formed as a cuboid and guided between the flat profiles.
  • the upper table device is connected to an elastic device, preferably with a helical spring, with an upper cross member of the press, and is thus clamped in the direction of the press ram.
  • Lifting the upper table device in the direction of the upper cross member can be simplified after a reduction of the pressure acting on the ram pressure.
  • the Oberwangenorganizräger is connected to a Oberwangenarme whose dimension preferably corresponds approximately to the dimension of the press table. Further preferably, the top beam and / or the press table are executed in their depth with slightly smaller dimensions, as corresponds to the depth of the press frame and formed with flat profiles press frame the distance of the flat profiles in this direction.
  • the upper beam carrier is preferably U-shaped and receives on the open side of the U-profile bending punch, with which arranged on the press table workpieces can be reshaped.
  • the upper table device is adapted to a maximum working width of the punch.
  • a bending rail or swivel bending upper beam can be attached to the upper beam support, which particularly preferably has an angle profile.
  • This angle profile is preferably reversible and finished on one side with a sharp edge and on the other side with a round edge, so that it is suitable for sharp-edged and for round-edged bending.
  • the bending rail can in
  • pivoting bending serves a bending cheek or Schwenkbiege lower cheek, which is arranged angularly movable on the lower table.
  • a pivoting bending lever in which the pivoting bending lower cheek is preferably received adjustable.
  • the swivel bending lever is one
  • Swivel axis A rotatable with, in particular two bearing flanges, the
  • the pivoting bending lower cheek in particular for adaptation to a wall thickness of the workpiece, held within the pivoting bending lever with respect to the pivot axis A slidably.
  • the swivel bending lower cheek is held within the swivel bending lever with one, two or more threaded spindles.
  • the pivoting bending sub-cheek in particular with a smaller wall thickness of the workpiece, moves in the direction of the pivot axis or, in particular with a larger wall thickness of the workpiece, of the
  • Swivel axis are removed.
  • the swivel bending lever is adjustable in length, in particular extendable or connectable with an extension piece, in particular for adapting the device to the bending stiffness of the workpiece to be machined. With increasing flexural rigidity of the swing bending lever can be extended for less effort.
  • the swivel bending device can furthermore preferably have an angle stop which limits the bending angle to the desired dimension.
  • the angle stop has a knurled screw movable along a slide for limiting the rotation of the pivoting bending lever about the pivot axis A.
  • the angle stop can, adjacent to the backdrop, angle markings and a
  • the device has a swivel bending upper beam and a Oberwangenindustrialräger with identical mounting means for attachment, in particular for screwing to the upper table device, which can be preferably fixed with bolts to upper table flanges.
  • An advantage of this embodiment is that the assembly and disassembly can be performed easier and faster.
  • the upper table device has at least one
  • At least one additional adjustable support member preferably two additional adjustable support elements are mounted on the upper beam support, which are arranged and configured, the pivoting bending upper beam during the pivoting bending on the
  • Support press frame Preferably, a arranged on the upper table device holding device is provided, on which a segmented high upper beam is mounted, wherein adjusting elements on a rear
  • Oberwangenaträger are provided to fix a predetermined bending position.
  • An advantage of this embodiment is that more complex bending work is possible with the additional segmented upper beam.
  • FIG. 5 in perspective and partially schematically parts of the device for
  • FIG. 6 shows the column press of FIG. 1, wherein other parts than in FIG. 1 are marked to illustrate the invention
  • Fig. 7 is a perspective and partially schematic rear view of
  • FIGS. 7 is a schematic cross-sectional view of the column press of FIGS. 7, and
  • the device not associated press 1 has a frame 2 and a ram 6.
  • the frame 2 has two vertical columns 3a, b and an upper and a lower horizontal cross member 8 a, 8b, which are respectively arranged in the opposite end portions of the columns 3a, b and connected thereto.
  • the two columns 3a, b are made up of 2 each spaced apart flat profiles 9 a, 9 b, which are welded to a flat steel 9c.
  • In the columns 3a, b are horizontally extending cylindrical holding openings 4 which serve, inter alia, to receive bolts 5 a, b.
  • At the upper cross member of the press is the recorded in a press cylinder ram 6, which is hydraulically operated.
  • this is done manually with the hand lever 7.
  • the ram 6 moves vertically in the direction of the lower cross member of the press 1. Due to the hydraulic or pneumatic forces arise up to 200 kN (20 tons) and more, so for example, a roller bearing from one
  • the device according to the invention is attached, which the undercounter device 10, the upper table device 30 and a
  • Swing bending device 50 has.
  • the upper table device 30 is connected with tension springs 38 to the press frame 2.
  • the polyamide sliders 36 are located between the two flat sections 9a, 9b of the columns 3a, b and serve for the vertical guidance of the upper table device 30.
  • the springs 38 are extended and return the upper table device 30 in the absence of the pressing force back to its original position or in the direction of the upper cross member of the press 1.
  • the upper table device 30 has a holding device 52 for the detachable swivel bending upper cheek 51 of the swivel bending device 50.
  • the holding device 52 is designed as a flat profile and bolted to the top beam 31.
  • the under-counter device 10 has two U-beams 12, 13 and a press table 1 1.
  • the two U-beams 12, 13 In the desired working height on the bolts 5a, 5b, which are guided through holding openings 4 of the press 1, and then screwed with spacer tubes 14 such that the columns 3a, 3b of the press 1 between the two carriers 12, 13 and are held by the clamping force.
  • a die with two die halves 15a, 15b and a workpiece 80 is also located on the press table 11 in the illustration according to FIG. 2.
  • the die serves to define the shaping of the bending process.
  • dies can be arranged with any shape and in particular mechanically releasably connected to the press table 1 1.
  • the trained with a U-shaped upper beam carrier or punch carrier 31 is connected to the ram 6. Within the bending die carrier 31, a bending punch 34 is received. Together with the die 15 a, 15 b of the punch 34 is used for bending the workpiece 80th Der
  • Bending punch carrier 31 has bores 32 both laterally and upwardly. Thumbscrews can be inserted into these holes, which serve to fix the punch 34 such that it can be positioned in both the vertical and horizontal directions.
  • Fig. 3 shows in perspective and partially schematically the upper table device 30 (or the upper beam support 31) in a design intended for edging.
  • the upper table device 30 has a bending punch carrier 31, which also acts as a top beam carrier for the swivel bending conversion.
  • the punch carrier 31 has both side, as well as above
  • FIG. 4 shows in perspective and partially schematically the
  • Handwheels 39 as a height-adjustable support bearing of the swivel bending upper beam mounted, which are bolted to the flanges of Oberwangen- and Biegesttownussis 37.
  • Fig. 5 shows in perspective and partially schematically parts of the device for pivoting bending with an angle stop 58.
  • an angle stop 58 On the outside of one of the flanges of the Schwenkbiegehebels 53 is an angle stop 58, which is bolted to the bearing flange 54 of the lower beam carrier and a rotatable with the pivoting bending lever bearing connected angle indicator 59 has. With the knurled nut 60 and a wing nut 61 this can be fixed to the degree. The knurled nut 60 serves at the same time as a stop for the swivel bending lever 53.
  • the swivel bending lower cheek 56 is mounted within the swivel bending lever 53 with at least one threaded spindle 57. By means of at least one threaded spindle 57, the pivoting bending sub-cheek 56 with respect to
  • Swivel axis A are relocated, in particular for adaptation to the
  • the substantially L-shaped bending rail 51 which with the
  • Holding means 52 of the upper table device 30 is detachably connected, preferably has both a rounded edge and a sharp or substantially rectangular edge.
  • Fig. 6 shows the column press of Fig. 1, wherein for clarity of the invention, other parts are marked as in Fig. 1.
  • On the upper table device 30 is located on the front side a bending rail or swivel bending upper cheek 51 of the swivel bending device 50, which is screwed by means of a holding device 52 with the upper table device 30.
  • pivoting bending lever 53 has laterally flanges, which are rotatably connected to the bearing flanges 54 of the lower beam carrier to the pivot axis A shown in dashed lines and thus allow the storage and displacement of the pivoting bending lower cheek 56. Between the ends of the pivoting bending sub-cheek 56 and the pivoting bending lever 53 are located threaded spindles 57, which serve to shift the pivoting bending lower cheek 56 relative to the pivot axis A.
  • FIG. 7 shows a perspective and partially schematic rear view of the column press 1
  • FIG. 8 shows a perspective and partially schematic view
  • FIG. 1 Front view of this column press 1 and Figure 9 shows a schematic cross-sectional view of this column press.
  • the undercounter device has an upper blade 81 with an upper blade handle 83.
  • a cheek support 37 can be used to hold down a workpiece.
  • the upper blade 81 is biased by an adjustable support member which presses the upper blade 81 against a lower blade 81 'attached to a rear U-beam during cutting.
  • Upper blade 81 and a cross member 8a mounted tension spring 82 supports a return movement of the upper blade 81.
  • the upper blade 81 can be operated with the upper blade handle 83.
  • the upper blade 81 can also be operated with a hand lever of a hydraulic cylinder.
  • a table frame 16 is configured axially displaceable for placing the workpieces.
  • FIG. 10 shows a further development of the device for expanding the functionality of a press, in which the upper table device has been dismantled and a bevelled workpiece 80 'with a bending punch 34 can be bent into abutment against a die 15.
  • the press table can be used on both sides, whereby the position of the die can be determined.
  • the press table between the front and the rear U-beam can be supported by means of screws and thereby fixed. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

L'invention concerne un dispositif permettant d'étendre la fonctionnalité d'une presse (1), en particulier d'une presse à colonnes, ladite presse comprenant un châssis (2) s'étendant au moins en partie verticalement pour l'usinage, en particulier pour le formage d'objets ou de pièces (80), en particulier métalliques. Ledit dispositif comprend - un système de table inférieure (10), lequel peut être fixé détachable de manière sensiblement horizontale sur le châssis (2) de la presse (1), et - un système de table supérieure (30), lequel est disposé sur ce châssis (2) de presse de manière à pouvoir se déplacer sensiblement horizontalement et/ou verticalement au-dessus du système de table inférieure (10). Le système de table inférieure (10) est relié au moins par intermittence à une joue inférieure de pliage (56) et le système de table supérieure (30) est relié au moins par intermittence à une joue supérieure de pliage (51) pour la mise en œuvre d'un procédé de pliage, et le système de table supérieure (30) loge au moins par intermittence un poinçon de pliage (34) et le système de table inférieure (10) loge au moins par intermittence une matrice (15 a, b) pour la mise en oeuvre d'un cintrage ou d'un pliage.
EP15730448.6A 2014-06-16 2015-06-12 Dispositif permettant d'étendre la fonctionnalité d'une presse Withdrawn EP3021993A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014008879.0A DE102014008879A1 (de) 2014-06-16 2014-06-16 Vorrichtung zur Erweiterung der Funktionalität einer Presse
PCT/EP2015/063183 WO2015193193A1 (fr) 2014-06-16 2015-06-12 Dispositif permettant d'étendre la fonctionnalité d'une presse

Publications (1)

Publication Number Publication Date
EP3021993A1 true EP3021993A1 (fr) 2016-05-25

Family

ID=53442756

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15730448.6A Withdrawn EP3021993A1 (fr) 2014-06-16 2015-06-12 Dispositif permettant d'étendre la fonctionnalité d'une presse

Country Status (4)

Country Link
EP (1) EP3021993A1 (fr)
CN (1) CN106457332B (fr)
DE (1) DE102014008879A1 (fr)
WO (1) WO2015193193A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108773099A (zh) * 2018-07-12 2018-11-09 江阴盛鼎机械制造有限公司 一种顶压机
CN111922158A (zh) * 2020-06-10 2020-11-13 湖南南洋电气有限公司 新型液压折边装置
CN112517682B (zh) * 2020-11-11 2023-06-02 安徽东海机床制造有限公司 一种高效压弯翻转成形装置
DE102022003799B3 (de) 2022-10-14 2024-03-28 Wolfram Hochstrate Schwenkbiegemaschine zum Biegen von Sicken oder ähnlichen Querschnittsformen mit geteiltem Sickenwerkzeug und zum Runden

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4445741A1 (de) * 1994-12-21 1996-06-27 Rohland Joerg Universal-Blechbearbeitungsmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2036456U (zh) * 1988-08-10 1989-04-26 陕西西安蓝田通达金属制品厂 手动折弯机
DE4019881A1 (de) * 1990-06-22 1992-01-09 Horst Warneke Schwenkbiegepresse zum abkanten und verformen von blechtafeln
US5099671A (en) * 1991-03-18 1992-03-31 Russ Beaulac Combination braking, punching and shearing apparatus for forming sheet metal strips
DE10245778A1 (de) * 2002-09-26 2004-04-08 Reinhardt Maschinenbau Gmbh Biegemaschine
US7021096B2 (en) * 2003-10-28 2006-04-04 Barnett O Lynn Front gauge for a sheet bending brake
CN203494955U (zh) * 2013-09-02 2014-03-26 洛阳市宇龙办公机具有限公司 一种板材折边机构

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4445741A1 (de) * 1994-12-21 1996-06-27 Rohland Joerg Universal-Blechbearbeitungsmaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015193193A1 *

Also Published As

Publication number Publication date
WO2015193193A1 (fr) 2015-12-23
CN106457332A (zh) 2017-02-22
CN106457332B (zh) 2018-10-19
DE102014008879A1 (de) 2015-12-17

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