EP0603366A1 - Chaine de production pour la fabrication d'un caisson metallique pour des constructions de plafonds et/ou de murs realisees a partir de plaques de tole - Google Patents

Chaine de production pour la fabrication d'un caisson metallique pour des constructions de plafonds et/ou de murs realisees a partir de plaques de tole

Info

Publication number
EP0603366A1
EP0603366A1 EP93914733A EP93914733A EP0603366A1 EP 0603366 A1 EP0603366 A1 EP 0603366A1 EP 93914733 A EP93914733 A EP 93914733A EP 93914733 A EP93914733 A EP 93914733A EP 0603366 A1 EP0603366 A1 EP 0603366A1
Authority
EP
European Patent Office
Prior art keywords
swivel
sheet
bending
eccentric
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
Application number
EP93914733A
Other languages
German (de)
English (en)
Other versions
EP0603366B1 (fr
Inventor
Horst Warneke
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
Priority claimed from DE4222741A external-priority patent/DE4222741A1/de
Application filed by Individual filed Critical Individual
Publication of EP0603366A1 publication Critical patent/EP0603366A1/fr
Application granted granted Critical
Publication of EP0603366B1 publication Critical patent/EP0603366B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • 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
    • 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
    • B21D53/00—Making other particular articles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5136—Separate tool stations for selective or successive operation on work
    • Y10T29/5137—Separate tool stations for selective or successive operation on work including assembling or disassembling station
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5136—Separate tool stations for selective or successive operation on work
    • Y10T29/5137—Separate tool stations for selective or successive operation on work including assembling or disassembling station
    • Y10T29/5143—Separate tool stations for selective or successive operation on work including assembling or disassembling station and means to machine product

Definitions

  • the invention relates to a production line (system), with which steel cassettes are to be produced as finished parts for ceiling and / or wall constructions from a sheet of metal in several stations.
  • Passages and mounting holes should be provided and welded stiffening profiles should have.
  • the object of the invention is to provide a production line with which, in the automatic run and manipulable machining positioning with short cycle times, one large sheet, all of them required design features for the later use containing steel cassette in different sheet thicknesses can be produced in a rational and economical manner.
  • a further object is seen in the creation of a manipulator which interacts with the swivel bending press and which inserts the sheet metal sheet into the swivel bending press and removes them and shows them many degrees of freedom of movement.
  • the bending system is one of several stations on the production line and consists of three linkable swivel bending presses, an underfloor trolley (trolley), a manipulator and a ball roller table.
  • the manipulator is designed as a movable semi-console crane, has a movable gripping and rotating device for the metal sheet and positions it in the correct position of the swivel bending press without any stops.
  • the manipulation of the metal sheet takes place on a processing level.
  • the sheet metal or the cassette is supported on the ball roller table.
  • the manipulator only has to overcome inertia and frictional resistance.
  • the underfloor trolley which can be moved along the X-axis in a longitudinal gap of the ball rolling table, has the task of moving the sheet to the same position and handing it over to the manipulator as well as taking over the already bent cassette in the same position and transporting it to the next station .
  • the bending machine (one or more coupled swivel bending presses) is optimized for bending the steel sheet from approx. 4 to approx. 6 mm, with a breaking strength of 400 N / mm 2 .
  • the bending force of the press is 850 kN.
  • the press can briefly be loaded with a force of 1200 kN, whereby it can also be converted with a stronger swivel motor.
  • Each of the three swivel bending presses can be assigned both separate individual press tables and a common press table of 12 m in length.
  • the swivel bending press has a large swiveling and working area of 600 mm with an equally large free passage opening. In order to machine a workpiece with a length of 12 m, shorter and at the same time stable press units are inserted into the battery of three presses.
  • Each press is mainly made up of parts screwed together.
  • the rigid C-frame of the swivel bending press is designed as a welded construction and the entire machining of the C-frame takes place in one clamping.
  • the unscrewing surfaces for guides, swivel motors and bearings are milled and turned.
  • the bending beam is driven by two lateral double tooth segments.
  • a hydraulic swivel motor drives a torsion shaft in the middle, at the ends of which pinions are attached to the left and right of the C-frame.
  • the swivel bending press is designed for 90 ° bending.
  • the dimensions of the bending beam and the bending drive enable swiveling through an angle of 120 °.
  • the bending beam is guided in every C-frame over many support rollers with a spherical tread and cam rollers with an eccentric.
  • the support rollers with their attachable eccentric shaft have a corresponding flexibility due to better load distribution. Crowned treads prevent edge loads on the rollers.
  • the cam rollers are also mounted elastically. They are installed at a short distance from the guide rail so that they are not exposed to the deformation forces of the C-frame.
  • the bending forces are conducted over the cheek and the bending beam body to the support rollers.
  • the C-frame carries a bearing in which an eccentric shaft is supported.
  • the eccentric washers are mounted twice in the eccentric eye of the connecting flange.
  • a locking cylinder eye has been attached to the upper part of the flange. Each of the eye flanges is screwed to the hold-down.
  • the shaft can be driven on one side of the central eccentric eye by a hydraulic swivel motor via a reduction gear.
  • a swivel lever is attached to the eccentric shaft.
  • the hold-down device is swiveled away from the swivel motor using a swivel lever.
  • the swivel motor must still be supported by the locking cylinders.
  • the deformation forces of the hold-down device and the C-frame are not transferred to the bearings.
  • the swivel motor is screwed to the flange on the C-frame.
  • the manipulator stands near the hold-down device when bending the narrow metal sheets.
  • the swiveling down of the hold-down device is then not free.
  • the pivoting must be controlled and coupled with the corresponding shifting of the manipulator.
  • This control is based on the swivel motor via the rotary encoder.
  • the swivel motor in connection with the locking cylinder causes the hold-down device to swivel.
  • the swivel motor first generates the hold-down force (the force between the table and the hold-down device) via the eccentric. It is reduced to a certain residual clamping force during bending.
  • the swing motor is under oil pressure during bending.
  • the locking cylinder is automatically locked on the piston side as soon as it is extended in the end position.
  • the locking cylinder is dimensioned so that it can take over both the hold-down reaction forces and the bending reaction forces.
  • the locking cylinder with eye flange, the hold-down device and the eccentric shaft with the bearings form a coupling mechanism that is driven by the eccentric shaft.
  • the position of the eccentric is set so that an optimal hold-down foot adjustment is possible with the different sheet thicknesses.
  • the eccentricity size of approx. 12 mm was dimensioned with a view to the necessary ventilation of the hold-down con approx. 15 mm. Ventilation enables the workpiece to be moved without slipping for subsequent bending.
  • a support surface for the guide rail support of the manipulator is welded to all C-frames of the bending machine formed from the swivel bending presses above the locking cylinder bearing.
  • a screw-on surface for a guide rail support is also formed on the rear part of the C-frame below. These surfaces also enable the three swivel bending presses to be connected to the manipulator within the tolerances of the machining accuracy, which is extremely important for the manufacture of the cassettes.
  • the bending machine with manipulator form a functional unit
  • the task of the manipulator is to take over the sheet from the previous station, to operate the swivel bending press and to transfer the deformed sheet for further processing, e.g. for inserting and welding cross bars, trapezoidal profiles, etc.
  • the sheet is manipulated on a processing level.
  • the sheet metal or the cassette is supported on the ball roller table.
  • the workpiece is fed from the console crane to the bending machine in the correct position. It is never lifted off the ball roller table.
  • the sheet is only taken up by two driving bolts welded to the sheet by clamping the manipulator. These bolts are parallel to the X-axis and are therefore firmly connected to the coordinate system.
  • the sheet is cut and punched in the laser station. It is transferred from an underfloor cat in the middle of the transfer line along the X axis to the manipulator exactly in the middle of the ball rolling table.
  • the drive pins are hollow. The sheet therefore always moves to the same transfer position.
  • the positioning of the manipulator can be chosen within a wide range, since the clamping jaws (chucks) have sufficiently large openings. Therefore, the cat tour in this station can be chosen relatively easily.
  • the construction of the crane and the manipulator and the selection of the guide elements enable a high positional accuracy, so that the tolerance field and the assembly technology are sufficient, no position stops on the ball roller table and on the bending machine are required.
  • the manipulator has been designed in a welded full-box construction as a semi-portal console crane with a support column. This construction enables a light construction.
  • FIG. 1 is a plan view of a production line for steel cassettes formed from a scanning and / or punching station, a swivel bending press with manipulator and ball rolling table, and a welding station,
  • FIG. 2 is a side view of the swivel bending press with manipulator
  • FIG. 3 is a plan view of the swivel bending press with manipulator
  • FIG. 5 is a side view of the swivel bending press with the hold-down device pivoted down into the clamping position (solid lines) and in the released position of the hold-down device in dash-dotted lines,
  • Fig. 6 is a side view of the swivel bending press with the hold-down device swung up.
  • the production line for the production of a steel cassette (2) for ceiling and / or wall constructions, in particular for interior fittings and superstructures for ships, for transportable and relocatable buildings, for halls, hotels and the like, from a sheet metal plate (1) consists of a cutting - And / or punching station (3), a swivel bending press (4) with associated manipulator (5) and associated ball roller table (6) and a welding station (7) and at least one of these stations (3, 5, 7) can be moved back and forth Carriage (8) in the form of an underfloor vehicle, an underfloor trolley, or the like, together.
  • a pre-processing station (9) is connected upstream of the cutting and / or punching station (3) and a roller conveyor (10) is connected to the welding station (7). All stations (9, 3, 4, 2 and 10) are arranged one behind the other in the direction of travel (A) of the sheet (1) and result in a straight-line work cycle.
  • the sheet metal plate (1) is gradually deformed at its circumferential edge to form a profile (ID) that is bent once or several times - see FIG. 1 -, the ball rolling table (6) being used as a support for the sheet metal plate (1 ) is used and the manipulator (5) grasps the sheet metal plate (1) at its registration marks (lc), which are formed by the registration holes (lc) and / or driving bolts introduced therein, and for the individual deformation steps enters the swivel bending press (4) and takes it out again; the metal sheet (1) remains on the ball rolling table (6) and is only changed in this support level (shifted and rotated).
  • stiffening profiles (2a) are inserted into the deformed metal sheet (1) at grid intervals and welded in at intervals - see Fig. 1 -, and then the steel cassette (2) is finished and is removed from the by the roller conveyor (10) Production line transported out.
  • the carriages (8) move the metal sheet (1) into the individual stations (3, 6, 7, 10) and stop there for processing the metal sheet or continue step by step.
  • the cutting and / or punching station (3) has two carriages (13) which can be moved back and forth on guides (12) in a limited working area in the longitudinal direction of the metal sheet (A), each with two or more tools, preferably plasma / laser cutting heads, Punching or drilling tools on and on these slides (13) are assigned guide rollers (15) to the metal sheet longitudinal stop and retractable stops (16) to the metal sheet transverse stop as well as collets (17) for fixing the aligned metal sheet (1) (Fig. 1) .
  • the ball rolling table (6) has a large surface area, which adjoins the receiving side of the swivel bending press (4), projects beyond the width of the adjacent stations (3, 7) and at least the length of the swivel bending press (4). engaging table (6a) with a plurality of balls (6b) rotatably mounted therein.
  • the welding station (7) has a welding device (18) containing a plurality of welding heads (19), to which is assigned a feeder (20) which places the stiffening profiles (2a) to be welded into the preformed metal sheet (1); both devices (18, 20) are on guides (21) in the direction of the sheet metal sheet (A) adjustable storage and are controlled in their working position depending on the sheet metal sheet (1) transported in cycles by the barrel (8).
  • the preprocessing station (9) upstream of the cutting and / or punching station (3) is used for preformatting metal sheets (1), for welding metal sheets (1) to a large sheet metal sheet (1), for sandblasting, or the like.
  • the swivel bending press (4) in a C-frame (22) has a fixed press table (23), a height-adjustable hold-down device (24) and one around the horizontal folding axis (bending axis) (25) in a guide (26) pivotable bending cheek (27).
  • the hold-down device (24) is mounted in the C-frame (22) with a horizontal eccentric drive (28) via a hydraulic swivel motor (29) and a pressure-actuated locking cylinder (30).
  • the hold-down device (24) Due to its eccentric drive (28), the hold-down device (24) is in the swiveled down clamping position interacting with the press table (23) (Fig. 5 full lines and Fig. 6 dash-dotted lines), regardless of the swiveling and locking cylinder locking this clamping position ( 30) with a small swivel stroke (H) adjustable to different sheet thicknesses (S) with pressing pressure and can be released to release the sheet (1) (dotted lines in FIG. 5) and the hold-down device (24) is driven by its eccentric drive (28) and the unlocked swivel and locking cylinder (30) swung up into the open press position (Fig. 6 full lines).
  • the eccentric drive (28) has an eccentric shaft (31) which is rotatably mounted in the C-frame (22) and on which a gearwheel (33) driven by a gearwheel (32) of the hydraulic swivel motor (29) flanged to the C-frame (22). and an eccentric (34) with a turntable (35) and a carrier (36) formed thereon;
  • the hold-down device (24) is mounted with a swivel bearing (37) around the eccentric (34) and is coupled with the same in terms of movement, and the driver (36) of the eccentric device (34) interacts positively with the swivel bearing (37) for swinging up the hold-down device.
  • the swivel and locking cylinder (30) lies above the eccentric drive (28) and is mounted with its cylinder (30a) around a horizontal swivel axis (38) on the C-frame (22) and engages with its piston rod (30b) above the eccentric ( 34) articulated in a horizontal pivot axis (39) on the pivot bearing (37) of the hold-down device (24).
  • the bending beam (27) is mounted on two swivel segments (40), each of which is designed as a toothed segment in a link guide (26) running in the form of a roller guide in the C opening (41) of the C frame (22) on a circular arc and can be pivoted in height by means of a hydraulic swivel drive (42) with a drive pinion (43).
  • the C-frame (22), as shown in FIG. 4, is formed by three C-frames (22a) which are held at a distance from one another and connected to one another by connecting pipes (44) and the press table (23).
  • An eccentric drive (28) with a hydraulic swivel motor (29) is mounted on each C-stand (22a) and all three eccentric drives (28) are coupled in terms of movement by an eccentric shaft (31) acting as a torrential shaft.
  • a swivel and locking cylinder (30) is mounted on each C-stand (22a) and the hold-down device (28) is carried by the eccentric drive (28) by means of a swivel bearing (37) and is connected to the locking cylinders (30).
  • the swivel bending press (4) thus has a total of three eccentric drives (28) and three swivel and locking cylinders (30).
  • the bending beam (27) is provided with swivel segments (40) guided on the coulisse guide (26) of each C-stand (22a) and a central, hydraulic swivel motor (42) via a continuous torrential drive shaft (43a), on which the toothed with the Sitting swivel segments (40) meshing drive pinion (43) can be pivoted in the vertical direction.
  • a long swivel bending press made up of three or more concatenated and synchronously controlled swivel bending presses (4) which are combined to form a modular unit, so that even very long metal sheets, up to 12 m long, can be folded in one bending step.
  • the manipulator (5) according to FIGS. 1 to 4 is formed by a semi-gantry crane that can be moved on the top and bottom guides (45, 46) of the swivel bending press (4) parallel to the bending edge (25) ) over the ball roller table (6) protruding cantilever arm (47) a vertical, in the longitudinal direction of the cantilever arm (47), in itself vertically movable and rotatable about its vertical axis (48) gripper (49) for gripping the swivel bending press (4) for the individual Bending steps to be fed and removed sheet metal plate (1) carries.
  • the half-gantry crane (5) is supported with the lower end of its upright support column (50) on the guide (45) arranged at the bottom of the rear of the C-frame (22) facing away from the C-opening (41) and is supported with it Cantilever arm (47) on the guide (46) fixed on the upper side of the C-frame (22); Both guides (45, 46) are formed by tracks (profiles) on which the semi-gantry crane (5) with rollers (51) can be moved.
  • the gripper (49) has a telescopic column (52) which can be moved in height and which is mounted with its upper end with the interposition of a turntable (53) on a carriage (54) movably suspended on the cantilever arm (47) and a horizontal one at its lower end Has a support arm (55) with two chucks (56) arranged at a distance from one another and interacting with the registration marks (lc) of the metal sheet (1).
  • Fig. 2 the drive for the manipulator (5) is designated (57) and in Fig. 4 the limit switches (58) for the travel path limitation of the manipulator (5) are shown.
  • FIG. 2 Furthermore, the drive (59) for the slide (54) and the drive (60) for the slewing ring (53) as well as the hydraulic pump (61) assigned to them are shown in FIG. 2;
  • the lifting device (62) controlled by stroke limitation sensors (63) is arranged in the telescopic column (52).
  • the swivel motor (29) for the eccentric drive (28) and the swivel motor (42) for the bending beam (27) are controlled by rotary encoders (65, 66) and the swivel and locking cylinder (30) is equipped with a control part (sensor) (64 ) designed for locking and unlocking its piston rod (30b) (Fig. 2).
  • the ball roller table (6) is not shown, but the carriage (8) with guide (11) is drawn in dash-dotted lines.
  • the metal sheet (1) prepared in the preformatting station (9) is drawn into the cutting and / or punching station (3) by the carriage (8) and aligned with the guide rollers (15) and stops (16).
  • the two cutting and / or punching devices (13, 14) create the notches (la) and the openings (lb) and the fitting holes (lc) in the metal sheet (1) in their corners by plasma or CO 2 laser cutting or by Punching and / or drilling.
  • the carriage (8) with the pliers (17) holds the aligned metal sheet (1) in place and the two devices (13, 14) work in a limited working area (X, Y) and after each working area (X, Y) the sheet (1) is moved step by step (in time) through the carriage (8) until the entire length of the sheet is processed.
  • the metal sheet (1) is transported from the carriage (8) to the ball rolling table (6).
  • the formatted sheet (1) is now taken over by the manipulator (5), which operates the swivel bending press (4) for the individual bending steps.
  • the gripper (49) moves down onto the sheet metal plate (1) and its chuck (56) detects the registration marks (lc) and then the sheet metal plate (1) is retained in the open swivel bending press (6) while maintaining its support on the ball roller table (6). 4) entered to perform the first bending step.
  • the manipulator (5) can move the sheet metal plate (1) in the sheet metal sheet plane through the semi-portal crane and the gripper slide (54) and rotate it through the slewing ring (53), the sheet metal plate (1) is used for each new bending step within the swivel bending press ( 4) moved and removed for the creation of a new edge profile (ld) from the swivel bending press (4), brought into the new position and then re-entered into the swivel bending press (4), the manipulator (5) always holding the metal sheet (1) on their registration marks (lc).
  • the travel path (MW) of the manipulator (5) in the X direction extends over almost the entire length of the swivel bending press (4).
  • the hold-down device (24) is swung down, the metal sheet (1) clamps between itself and the press table (23) and then the bending beam (27) is swung up in a controlled manner.
  • the bending beam (27) is then pivoted back downward and the hold-down device (24) is released, so that the metal sheet (1) can be set up and moved in the press (4) for the subsequent bending step.
  • the manipulator (5) takes the sheet (1) out of the
  • Swivel bending press (4) turns the sheet (1) and brings it to the profile bending on the next sheet in the swivel press (4), where the same bending steps are repeated.
  • the eccentric drive (28) holds the swung down hold-down device (24) with high contact pressure against the one on the Press table (23) lying on the sheet (1) during each bending step.
  • the eccentric drive (28) is actuated by its swivel motor (29); the gear (32) rotates the eccentric shaft via the gear (33)
  • the hold-down device (24) Due to the rotation of the eccentric (34), the hold-down device (24) is now inevitably raised by its swivel bearing (37) bearing about the eccentric (34) and slightly lifted from the metal sheet (1) over a short stroke-swivel path (H) - here the hold-down device (24) moves with its hold-down foot (24a) away from the bending edge (25) on an obliquely upward and outward movement path at an incline of approximately 45 ° - into the one shown in dash-dotted lines in FIG. 5 Hold-down position and the metal sheet (1) is free to move.
  • the small stroke swivel path of the hold-down device (24) is possible due to the articulated connection (39) with the swivel locking cylinder (30) despite its locking.
  • the eccentric (34) is rotated in the opposite direction and thus the hold-down device (24) is pressed against the metal sheet (1) again.
  • This swiveling stroke path (H) of the hold-down device (24) simultaneously enables the compensation of different sheet thicknesses of approximately 4 to 10 mm, so that the hold-down device (24) can be adjusted to any sheet thickness by the eccentric (34) exerts an equally high baling pressure in the aforementioned range of strengths.
  • the eccentric (34) is rotated at a smaller or larger angle of rotation and thus the hold-down device (24) is adapted to the respective sheet thickness.
  • the swivel and locking cylinder (30) is unlocked and the eccentric drive (28) is further rotated, which swivels the hold-down device (24) up when its driver (36) strikes the swivel bearing (37).
  • the unlocked cylinder (30) retracts at the same time and supports the swiveling movement of the hold-down device (24).
  • Parallelversc pivoting of the hold-down device (24) ensures this, even in the case of short bending areas, in which the hold-down device (24) acts only on part of its length on the metal sheet (1); there is therefore no one-sided load on the hold-down device (24). This also applies to the long swivel bending press (4) formed from three presses (4).
  • the notches on the corner (la) make it possible to bend the edge profiles (ld) on all four sides of the sheet (1).
  • the manipulator (5) removes the deformed metal sheet (1) and transfers it to the second carriage (8), which transports it to the welding station (7).
  • the carriage (8) moves the sheet metal plate (1), which is held in a fixed position, step by step through this station (7), in which the feeder (20) moves at grid intervals
  • the finished steel cassette (2) is moved by the carriage (8) out of the welding station (7) onto the roller conveyor (10) for removal and the manufacturing process is completed.
  • the finished steel cassette (2) forms a box-shaped cassette element, which has a flat wall (2b) and a circumferential, multi-edged edge profile (ld), which has the attached stiffening profiles (2a) and in the circumferential edge profile under its flat wall (2b) (ld) has the openings (lb) and connecting holes (lb) and notches (la) in the corners for folding the edge profiles (ld) and for inserting supports and on its flat wall (2b) the registration marks (lc) in perforated or bolt shape shows.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Coating With Molten Metal (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

La chaîne de production pour la fabrication d'un caisson métallique (2) réalisé à partir de plaques de tôle (1) pour des constructions de plafonds et/ou de murs, notamment pour réaliser des aménagements intérieurs ou la superstructure de bateaux, pour des bâtiments transportables et déplaçables, pour des halles, des hôtels et analogue, comprend un poste de découpe et/ou de matriçage (3), une presse à plier (4) munie d'un manipulateur (5) et d'une table de transfert à billes (6), un poste de soudage (7), ainsi qu'au moins un chariot (8) se présentant sous forme de véhicule situé en partie basse, de chariot roulant situé en partie basse ou analogue et pouvant effectuer un va-et-vient au-dessous de ces différents postes (3, 5, 7). La presse à plier (4) est combinée avec un manipulateur (5) se présentant sous forme de grue à semi-portique déplaçable par rapport à ladite presse (4) et comportant un grappin également mobile, déplaçable en hauteur et pouvant tourner autour de l'axe vertical, qui sert à amener les plaques de tôle dans les différentes positions requises, jusqu'à la presse à plier (4).
EP93914733A 1992-07-10 1993-06-26 Chaine de production pour la fabrication d'un caisson metallique pour des constructions de plafonds et/ou de murs realisees a partir de plaques de tole Expired - Lifetime EP0603366B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4222741A DE4222741A1 (de) 1991-09-30 1992-07-10 Fertigungsstrasse zur herstellung einer stahlkassette fuer decken- und/oder wandkonstruktionen aus einer blechtafel
DE4222741 1992-07-10
PCT/EP1993/001640 WO1994001234A2 (fr) 1992-07-10 1993-06-26 Chaine de production pour la fabrication d'un caisson metallique pour des constructions de plafonds et/ou de murs realisees a partir de plaques de tole

Publications (2)

Publication Number Publication Date
EP0603366A1 true EP0603366A1 (fr) 1994-06-29
EP0603366B1 EP0603366B1 (fr) 1998-12-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP93914733A Expired - Lifetime EP0603366B1 (fr) 1992-07-10 1993-06-26 Chaine de production pour la fabrication d'un caisson metallique pour des constructions de plafonds et/ou de murs realisees a partir de plaques de tole

Country Status (10)

Country Link
US (1) US5528818A (fr)
EP (1) EP0603366B1 (fr)
JP (1) JPH06510487A (fr)
KR (1) KR100323307B1 (fr)
AT (1) ATE174824T1 (fr)
AU (1) AU4501093A (fr)
DE (1) DE59309246D1 (fr)
ES (1) ES2126650T3 (fr)
RU (1) RU2110349C1 (fr)
WO (1) WO1994001234A2 (fr)

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Also Published As

Publication number Publication date
WO1994001234A3 (fr) 1994-03-31
KR100323307B1 (ko) 2002-11-30
ES2126650T3 (es) 1999-04-01
WO1994001234A2 (fr) 1994-01-20
ATE174824T1 (de) 1999-01-15
AU4501093A (en) 1994-01-31
RU2110349C1 (ru) 1998-05-10
US5528818A (en) 1996-06-25
EP0603366B1 (fr) 1998-12-23
DE59309246D1 (de) 1999-02-04
JPH06510487A (ja) 1994-11-24

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