EP1287918A1 - Procédé et dispositif pour la formation d'un coin limité sur trois côtés à partir d'un matériau en feuille plane - Google Patents

Procédé et dispositif pour la formation d'un coin limité sur trois côtés à partir d'un matériau en feuille plane Download PDF

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Publication number
EP1287918A1
EP1287918A1 EP02025979A EP02025979A EP1287918A1 EP 1287918 A1 EP1287918 A1 EP 1287918A1 EP 02025979 A EP02025979 A EP 02025979A EP 02025979 A EP02025979 A EP 02025979A EP 1287918 A1 EP1287918 A1 EP 1287918A1
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EP
European Patent Office
Prior art keywords
corner
component
tool
cutting
plate
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
EP02025979A
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German (de)
English (en)
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EP1287918B1 (fr
Inventor
Markus Hametner
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.)
ACF Engineering and Automation GmbH
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ACF Engineering and Automation GmbH
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
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Priority claimed from AT1132000A external-priority patent/AT410289B/de
Application filed by ACF Engineering and Automation GmbH filed Critical ACF Engineering and Automation GmbH
Publication of EP1287918A1 publication Critical patent/EP1287918A1/fr
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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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
    • B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
    • B21D19/043—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers for flanging edges of plates
    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • 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 invention relates to a method for forming a corner area from a flat surface Plate, in particular sheet metal plate, as described in the preamble of claim 1 and a system for forming a three-sided corner area on a component, such as described in the preamble of claim 7.
  • the housing is made of a flat plate part or a plate made.
  • This type of housing has an opening in the main body and a lid that can be positioned on the opening.
  • the lid can be opened and closed educated.
  • the lid is a box-like component made of a plate, which is a plate processing is produced.
  • a cover or the like is to be provided on the metal housing, it is based on to transform a plate into a box-shaped component.
  • square-shaped are trained Recesses from a rectangular, plate-like normal metal plate in the four corners. Then the plate is folded along the four side edges to make the to form four side walls. Furthermore, the corresponding end parts of the opposite Side walls welded together to form a corner area. These corner areas are finished by means of a grinding machine etc.
  • a - is a corner molding machine and a method for the production of box-shaped components is known.
  • a device for bending and profiling corners is a plate-shaped workpiece a role as a bending tool so deformed that a three-sided corner of a surface is formed.
  • To hold the workpiece down on the tool one is held in its Basic form of rectangular hold-down is used.
  • the plate-like fixed in this way Workpiece is then with an hourglass-shaped roller, which is used as a rolling tool serves, deformed.
  • the hold-down device and the tool are the ones to be formed Sheet receiving plane offset against each other.
  • the present invention has for its object to provide a method for producing Corners in box-shaped components that are made from flat panels create which with the least possible effort for post-processing an exact manufacture of corner areas for box-like components with different external dimensions and thicknesses and a plant for the production of such box-shaped To create components with the pre-formed on flat panels or on the edge area Panel parts of differently designed corner areas can be produced.
  • the method according to claim 1 advantageously allows truncation of the supernatant without burrs between the end edges of the side walls of the component forming the corner area.
  • 1 to 15 show an embodiment of the present invention.
  • reference number 2 shows a box-like component; and 4 one Corner molding device.
  • the box-like member 2 is made of a plate S which is deformable by rolling, such as a steel plate, an aluminum plate, a stainless steel plate, a copper plate or the like.
  • a flat plate member 6 is the Plate S folded along the four side edges to form four side walls 8. Thereby the plate S is formed into the box-shaped component 2.
  • the corner molding device 4 is equipped with a worktop 14.
  • the worktop 14 is supported in the horizontal direction by a frame 12.
  • the corner molding device 4 is also with a substantially polygonal plate-like Tool 16 equipped.
  • the tool 16 is fixed on the worktop 14.
  • the tool 16 according to the present embodiment and is square Plate shape.
  • the tool 16 is with a centering pin 24 on a bearing block 18 of the worktop 14 attached, pins 20 are inserted into the bearing block 18 and additional intermediate bearings 22 are arranged in between.
  • an adjusting device 26 is arranged on the worktop 14.
  • the adjustment device 26 determined a position where one of the two, namely the tool 16 or the roller assembly 42 described below is mounted.
  • the adjusting device 26 comprises the intermediate bearings 22 and manually adjustable threaded spindles 28.
  • the threaded spindles 28 are between the worktop 14 and the intermediate layers 22 arranged.
  • the threaded spindles 28 can be rotated manually, creating a advanced or withdrawn distance of the tool 16 can be set (see arrow in Fig. 1).
  • the tool 16 has a substantially square shape with horizontal top and Undersides 30, 32 and four side surfaces 34. These four side surfaces 34 are connected with the top and bottom 30, 32.
  • the tool 16 has a shaped surface 36 for producing the corner region 10 Corner of the box-shaped component 2 is formed.
  • the molding surface is through the top 30 in a corner of the tool 16 and two side surfaces 34 which are connected to this upper side 30 communicate, educated.
  • the tool is also provided with a cutting element 38 for cutting away debauchery 66 or a protrusion (see Fig. 13) from the final Shaped end portion of the box-shaped component 2 provided.
  • the cutting element 38 is arranged in a region of a corner on an underside 32 of the tool 16 in which the two side surfaces 34 which are connected to the aforementioned bottom 32.
  • a Drive arrangement 40 for the cutting element 38 moves the cutting element 38 in the area the bottom 22 to the side wall 8 of the box-like component 2 or from this path.
  • the corner shaping device 4 is furthermore of an essentially opposite circular cone-like shape Roller assembly 42 provided.
  • the roller assembly 42 is along the two Moves side surfaces 34, which form the molding surface 36 at a corner of the tool 16.
  • the roller arrangement 42 essentially forms a double circle cone function, in which connects a pair of circular cone parts 44 at their tips (vertices) are.
  • a drive device 46 for the roller assembly 42 moves it along the two side surfaces 34 which form the molding surface 36.
  • the roller arrangement 42 is provided with two pressure surfaces 48. If the role arrangement 42 is then moved along the two side surfaces 34 which form the molding surface 36 the pressure surfaces 48 deform the excesses 66 or the protrusions of the box-shaped one Component 2 in a corner thereof in such a way that the excesses or the overhang 66 in close contact with the two side surfaces 34 and the formation a corner area 10 occur.
  • the pressure surfaces 48 are formed with a circular conical surface, which are inclined in opposite directions, but continuously towards each other on the Stretch tip.
  • the roller assembly 42 according to the present embodiment is arranged and designed so that it is in relation to the two side surfaces 34 can not twist.
  • the corner molding device 4 is further provided with a support plate 50.
  • the support plate 50 can go down to the bottom 32 in a corner of the tool 16 be adjusted.
  • the support plate 50 has a top and bottom Underside 52, 54 and two inner surfaces 56 are provided, which are opposite to the aforementioned side surfaces 34 are located.
  • An adjustment drive 58 for the support plate 50 moves the support plate 50 towards and away from the side surfaces 34 of the tool 16.
  • the support plate 50 has a cutting edge 60 which is in an area in which the underside 54 merges into the inner surface 56, is arranged.
  • the cutting edge 60 is in the direction the side surfaces 34 of the tool 16 is moved, hold the tool 16 and Support plate 50, the side wall 8 of the box-like component 2. Accordingly, the cuts Cutting edge 60, the excess 66 or the protrusion of the fully formed corner area 10 of the box-like component 2 in connection with the cutting element 38 when the Drive arrangement 40 for the cutting element 38, the cutting element 38 along the underside 32 of the tool 16 moves.
  • Reference numeral 62 designates a hold-down device which forms the flat plate part 6 holds the box-like component 2 from an upper side.
  • Reference numeral 64 denotes a drive mechanism for the hold-down device 62.
  • the box-shaped component 2 with a corner area 10 using the corner molding device 4 is produced, the pre-processing is already in progress, as shown in FIG. 7, completed.
  • the flat plate part 6 becomes the square plate-shaped one Plate S with good roll forming properties folded along the four side edges, see above that four side walls 8 are formed.
  • the box-like component 2 has the excesses (Protrusion) 66 made in each corner.
  • the above pretreatment can be done with a press brake 68 are executed.
  • the press brake 68 is with a die 72 and a Stamp 74 provided.
  • the die 72 is fixed on a main body 70.
  • the embossing stamp 74 is moved in the direction of the die 72.
  • the corner molding device 4 After the corner molding device 4 holds the plate S on the tool 16, it moves, as shown in FIG. 9, the drive device 46, the roller arrangement 42 in the direction of the arrow (downward in Fig. 9) along the two side surfaces 34 which form the molding surfaces 36, while the pressure surfaces 48 of the roller assembly 42 in contact with the side walls 8 of the plate 1 being held.
  • the actuator 58 moves the support plate 50 in the direction of Side surfaces 34 of the tool 16, while the tool 16 and the pressure surfaces 48 of the Roller arrangement 42 hold the side walls 8 of the box-like component 2 in position.
  • the drive arrangement 40 moves the cutting element 38 along the underside 32 of the tool 16.
  • the cut edge 60 of the support plate 50 cuts the deburring 66 or the protrusion from the fully formed corner area 10 in cooperation with the cutting element 38 away.
  • the box-shaped component 2 is the one mentioned Has corner areas after removal of the excess 66 or the excess completed.
  • the adjusting device 26 allows an advanced or retracted setting Distance of the tool 16 and thus enables appropriate positioning of the tool 16 depending on the thickness of the box-like component 2 for a high Accuracy of the dimensions of the corner area 10 of the finished box-like component 2 and high efficiency of the corner molding device 4.
  • the adjustment drive 58 brings the support plate 50 when the debauchery 66 or the protrusion is removed from the manufactured corner area 10, in the direction of the side surface 34 of the tool 16. Then the tool 16 and the pressure surface 48 of the roller assembly holds 42 the side wall 8 of the box-like component 2. Furthermore, the drive arrangement moves 40 the cutting element 38 along the underside 32 of the tool 16. The cutting edge 60 cuts the support plate 50 in connection with the cutting element 38 the debauchery 66 or the supernatant.
  • the corner molding device 4 allows for the box-like component 2 a simple forming process and enables the box-like To equip component 2 with the corner regions 10. Furthermore, the corner molding device enables 4 the manufacture of the corner regions 10 of the box-like component 2 with a considerable reduction in costs.
  • the corner molding device 4 for the box-like component 2 according to the present one Invention is not tied to the above description, but are arbitrary adaptations or changes possible, e.g. the adjusting device 26 corresponding to this Embodiment with the manually adjustable threaded spindles 28 for setting a advanced or retracted distance of the tool 16.
  • a motor-driven positioning device 92 may be provided.
  • the adjustment drive 58 has a motor arrangement, not shown on.
  • the motor arrangement brings the conical shaft section 92-1 in a reciprocating motion, this motion then on this tool 16 is then transferred to the tool with the transfer members 92-2, whereby the setting of a retracted or advanced distance of the tool 16 is achieved.
  • the motor drive enables the advanced or withdrawn distance of the tool 16 and a corresponding positioning of the Tool 16 depending on the thickness of the box-like component 2 and an exact Dimension of the corner region 10 of the finished box-like component 2 and high efficiency of the corner molding device 4.
  • a pair of positioning means 94 can also be arranged in the area of the roller arrangement 42 may be provided. Specifically, as shown in Figs. 17 and 18, the positioning means 94 a pair of wedge-like means 94-1, a pair of adjusting means 94-3, which on accordingly inclined surfaces 94-2 of the wedge-shaped means 94-1 slide and a pair of motion control parts 94-4 for moving the corresponding adjustment means 94-3.
  • the motion control parts 94-4 rotated in a predetermined direction, thereby moving the movable adjusting means 94-3 move that the movable adjustment means 94-3 slide on the inclined surface 94-2.
  • the roller arrangement 42 which is connected to the movable adjustment means 94-3 is positioned in relation to the tool.
  • the positioning means 94 can be adjacent to both, namely tools 16 and roller assembly 42 may be provided for greater accuracy depending to achieve from the formatting process and the box-like component 2 with corners. This system allows a further improvement of the processability or the degree of processing.
  • the Forming the tool 16 only one type of the molded surface 36, formed by the top in a corner of the tool 16 and two side surfaces 34 that match this previous one Communicate top.
  • it is e.g. -
  • square-shaped tool 16 with one to four shaped surfaces 96-1, 96-2, 96-3 and 96-4 in the corners thereof, e.g. the four corners of it. These shaped surfaces differ in their dimensions.
  • a centering pin 24 becomes a central area it is pulled out, and then the tool 16 becomes a predetermined position of the tool 16 pivoted before the tool 16 using the pins 20 and the centering pin 24 is fixed again. With this procedure it is possible to measure the dimensions easy to change in the corner areas 10 of the box-like component 2 with an associated increase in comfort when using.
  • the tool 16 can be of a variety be provided by horizontal groove-shaped areas 98 in each of the corners.
  • These groove-shaped areas 98 can become groove areas 98-1 with a triangular cross section, 21a, or groove areas 98-2 with an arcuate cross section, as shown in Fig. 21b. Then when the box-shaped component 2 is produced with the corner regions 10 by the roller arrangement 42, each corner of the box-like component 2 pressed into the groove-shaped areas 98, whereby the gravity-related Material shift is prevented accordingly.
  • This variant prevents all disadvantages regarding the accuracy of the opening angle in the corner areas 10 of the box-shaped component 2 and also creates advantageous options, one to form box-like component 2 with corner regions 10.
  • the present includes Invention a corner molding device 4 with an adjusting device 26 for adaptation to a box-shaped component 2 and a method for forming a three-sided Corner made of a flat, plate-shaped material, in particular sheet metal parallel to the side edges adjacent to the corner over a large part of their longitudinal extent be folded to the flat plate part 6 and in the area on the to be formed Corner from the folded side edge to the level of the flat plate part 6 in a curved course are formed, whereupon the preformed blank in the curved transition area with at least one corner area 10 between the side arrangement covering roller assembly 42 pressed against a die plate and the corner is formed by material forming, characterized in that the side edges in the area of the corner over their entire height to the all-round end faces the die plates are pressed.
  • the adjustment device 26 enables an adjustment in projecting or recessed distances of at least one tool 16 and a roller arrangement 42 a corresponding positioning of the tool 16 depending on the thickness of the box-shaped component 2 and a high dimensional accuracy the corner regions 10 of the finished box-shaped component 2 and a high one Economy of the corner molding device 4.
  • the corner molding device enables 4 compared to the previously known devices matched to the box-like Component 2 according to the present inventions a very simple molding process and enables the box-shaped component 2 to be provided with angular parts. Furthermore Such a device enables the production of the corner areas 10 in the box-shaped Component 2 with a significant reduction in costs.
  • FIG. 22 and 23 describe a further embodiment of a system 101 with the corner molding device 4 for forming flat, plate-shaped materials, in particular of component 2, shown for already described above Elements have the same reference numerals.
  • Such systems 101 are in special for the production of triangles on component 2, e.g. for the production of boxes, lids, doors etc., e.g. Installation cabinets etc., made of plate-shaped Blanks used.
  • a machine frame 104 supported on a footprint 103 the system 101 essentially consists of a perpendicular to the contact surface 103 aligned support frame 105, the plate-shaped and parallel to the footprint 103rd extending worktop 14, a guide device 107 with one associated therewith Locking device 108 and a safety device that can be opened and / or closed as required forming security door 109 with the hold-down device appropriately assigned to this 62.
  • the detachable with the support frame 105 or e.g. by welding Ineffectively connected appropriately plate-shaped worktop 14 is preferably on one of the Upper surface 111 facing away from the contact surface 103 with an adjusting device 112 and a Cutting device 113 equipped.
  • the practical worktop 14 made of steel has an approximately rectangular plan with a width 114 and one to the right Angle measured length 115.
  • the tool 16 assigned to the adjusting device 112 is adjustable relative to the roller assembly 42.
  • the roughly half width 114 Guide device 107 oriented perpendicular to the work surface 14 is at least by two spaced-apart guide elements 118 are formed. That of the guide device 107 locking device 108 adapted via a connecting device 119, is by two plate-shaped support elements spaced apart in the direction of length 115 120 with the roller arrangement 42 arranged between them. expedient the roller arrangement 42 is pressed into the bearing elements 120 by the bearing elements rotatably mounted.
  • the Connection device 119 is via a manual and / or automatic and / or semi-automatic actuatable change device 121 operatively connected.
  • a quick-locking element 122 formed by the changing device 121 in particular a lever 123 etc., that between the locking device 108 and the guide device 107 arranged connecting device 119 from a stop position to a release position brought.
  • the changing device 121 can also be pneumatic and / or hydraulic and / or electrical and / or electropneumatic and / or electrohydraulic Elements 122 may be formed.
  • Roller 125 is essentially arranged by two oppositely arranged and tapered conical bodies with a rounded and merging transition area formed. Accordingly, the forms horizontally aligned roller 125 from an approximately hourglass-shaped outline. By the slope of the Truncated cone body, the angle of the corner to be formed is determined. That of the guide device 107 formed guide elements aligned perpendicular to the contact surface 103 118 are releasably and / or permanently connected to the machine frame 104.
  • the guide device operatively connected to one and / or more drive device 126 107 enables a relative movement in the direction of the guide elements 118 the roller assembly 42 to at least one tool 116, thereby making of the bent component 102 is made possible.
  • the drive device is expedient 126 by a hydraulic cylinder due to its economical use and its great forces used. Of course, all others can be from the prior art known drive devices 126, such as electric drives, e.g. spindle drives etc., can be used.
  • the one that can be adjusted and / or positioned relative to the roller 125 via a drive device 126 and / or fixable adjustment device 112 of the corner shaping device 4 forms at least a suitably one-piece plate-shaped, polygonal, in particular a polygonal backdrop element 127, which by five facing away from each other and the same dimensioned longitudinal end faces 128 and an upper side 129 running at right angles thereto and bottom 130 is formed.
  • a suitably one-piece plate-shaped, polygonal, in particular a polygonal backdrop element 127 which by five facing away from each other and the same dimensioned longitudinal end faces 128 and an upper side 129 running at right angles thereto and bottom 130 is formed.
  • at least one Expediently the longitudinal end face 128 facing the roller 125 from that on the upper side 129 detachably and / or non-releasably attached tool 16 protrudes.
  • Those formed by the outline shape of the roller 125 and one another in the direction of the central axis 124 tapering surface lines 132 close an opening angle 133 between the two surface lines 132 and form between the outline shape of the roller 125 and the Tool 16 from a distance 134 adjustable via the adjusting device 112, which in Dependency of the component to be deformed, in particular to adjust its wall thickness is.
  • the two preferably run the Approximate surface lines 132 facing longitudinal end faces 128 of the link element 127 parallel to these.
  • the two opposite longitudinal end faces which act as a backdrop 137 128 run at least obliquely to the two opposite surface lines 132, the angle formed by the slide path 137 and the axis of symmetry 136 138 is smaller and / or equal and / or larger than half the opening angle 133 the roller 125.
  • An approximately V-shaped counter plate 139 adjoining the extensions 131 has two legs 140 that widen each other by approximately half the opening angle 133 between which a base 141 connecting the legs 140 extends.
  • the thigh 140 form on a surface line 132 facing and parallel to this Longitudinal end faces 142 a further backdrop 143.
  • the perpendicular to the worktop 14th dimensioned thickness of the legs 140 is dimensioned larger than a thickness of the base 141, so that through the arrangement of an approximately trapezoidal plate 144, a flat course of the link element 127, the leg 140 and the plate 144 is formed.
  • the slidable plate-shaped sliding block 146 points to one of the Slide path 137 facing the longitudinal side surface is inclined and parallel to the slide path 137 extending footprint 147, the sliding block 146 via an associated one Drive arrangement 148 a relative adjustment of that located on the link element 127 Tool 16 according to the double arrows 149 and 150 allows.
  • the backdrop stones 146 is assigned at least one length scale 151, which is preferably on the top surface of the Leg 140 is attached and as an indication of the adjustment according to the double arrows 149 and 150 serves.
  • the one attached to the base 141 and / or on the worktop 14 releasably and / or non-releasably Plate 144 with a chamber 152 arranged recessed in the direction of the axis of symmetry 136 points in the area of the base of the chamber 152 in the direction of the sliding blocks 146 threaded arrangement 154 protruding from a threaded spindle 153.
  • Another drive arrangement 148 can for example by means of a counter-rotating threaded spindle 153 with it locked and counter-rotating adjustable sliding blocks 146, which correspond to each other according to the drive direction move towards or away, be educated.
  • the synchronous is advantageous in this training Drive the two sliding blocks 146 and thus the uniform infeed in both Directions according to the double arrows 149 and 150.
  • the distance can be adjusted 134 manually and / or automatically and / or semi-automatically by everyone from the Drive arrangements 148 known in the prior art, such as cranks, levers etc., or electrical, hydraulic, pneumatic drives.
  • the worktop 14 is the cutting device 113 with two releasably and / or non-releasably connected to a holder 156 and / or the worktop 14 plate-shaped cutting elements 157, 158 equipped.
  • The is preferred Cutting device 113 along the axis of symmetry 136 and the adjusting device 106 positioned downstream.
  • the positioning of the cutter 113 on anywhere on the worktop 14 and / or at an external, not shown Device done.
  • One with the bracket 156 and / or the worktop expediently runs 14 connected cutting element 157 flat with the top 111 of the worktop 14 and the further cutting element 158 become perpendicular to the axis of symmetry 136 recessed.
  • the preferably remotely operable cutting device 113 can be built up and / or integrated on the worktop 14.
  • the bracket 156 is, for example, by a in a reset of the worktop 14th longitudinal cross member 159 formed, the cutting element 154 on the top 111 supports.
  • the holder 156 is one associated with the cutting element 158 operatively connected drive arrangement 160, the a relative adjustment of the cutting element 158 in the direction of the cutting element 157 allows.
  • the drive arrangement 160 is, for example, by a hydraulic unit formed, wherein a cross member 161 receiving the cutting element 158 along two spaced tie rods 162 is guided.
  • One formed by the cutting element 157 Cutting edge 163 projects at least partially from one of the cutting element in the actuated state 158 formed cutting edge 164.
  • the plate-shaped cutting element 157 instructs one end face 165 facing the cutting element 158 one through the two on top of one another triangular recess 166 forming inclined cutting edges 163 whose opening angle 167 suitably corresponds to the opening angle 133. That the Cutting element 157 opposite, recessed, plate-shaped, with a Cutting surface 158 equipped on end face 168 has one through two on top of one another inclined cutting edges 164 formed apex 169, their cutting edges 164 run parallel to the cutting edges 163. At the base of vertex 169, the two opposite end regions of the cut edges 164 an oblique, preferably perpendicular Boundary edge 170 running to the axis of symmetry 136.
  • the component 2 to be processed can be placed on a perpendicular to of the boundary edge 170 aligned and facing the cutting element 157 171, the component 2 to be processed can be placed.
  • Cutting device 113 is formed by a cutting element 157 and a straightening element be, wherein the cutting element 157 is provided with the cutting edges 163 and that Straightening element only serves as a stop element during the cutting process.
  • the one from the Cutting elements 157 and 158 formed cutting edges 163 and 164 can at least through part of the end face surfaces 165 and 168 of the cutting element 157 and 158 and / or formed by locked insert elements.
  • the locked insert elements have the great advantage that closing insert elements easily and quickly at low Tool costs can be changed.
  • only one cutting element 158 is designed to be movable, which is via the drive arrangement 160 adjustable relative to the preferably fixedly arranged cutting element 157 is.
  • the drive arrangement 160 can of course be used by all known from the prior art Drive arrangements, such as hydraulic, pneumatic, electro-hydraulic Cylinder piston assemblies, electric actuators, etc., may be formed.
  • the two cutting elements 157 and 158 may be adjustable relative to one another are arranged and / or that a movable cutting element 157 or 158 is assigned to a fixed cutting element 158 or 157.
  • link element 127 is the plate-shaped Tool 16 positioned over the centering bolt 24 and by means of at least one fastening screw 172 attached.
  • the tool 16 forms the shaped surfaces 36.
  • the Tool 16 essentially has a square outline, with the centering pin 24 arranged centrally to the mutually perpendicular shaped surfaces 36 is, whereby the tool 16 around the centering pin 24 or a perpendicular Pivot axis 173, without changing the relative setting compared to the link element 127 positions pivoted by 90 degrees each can be used.
  • To the tool 16 has at least four receptacles 174 assigned to the corner regions for the Fixing screws 172 on. This enables different training in terms of the rounding or design of the shaped surfaces 36 for differently to be shaped Corner regions 10 of the box-like component 2.
  • the preformed component 2 is used to form the corner region 10 with the side walls 8 applied to the shaped surfaces 36 of the tool 16 and with the holding-down device 62 fixed to the tool 16.
  • the hold-down device 62 consists of a clamping plate 175 which For example, is connected to the security door 109 in a motion-proof manner and together with this is adjusted. Another example is to achieve sufficient clamping forces Clamping element 176, e.g. a pressurized clamping cylinder 177 is provided which on the Clamping plate 175 has a clamping force in the direction of tool 16 or on tool 16 placed component 2 exercises.
  • the corner region is shaped 10 by adjusting the roller arrangement 42 in the guide elements 118 in Direction of an arrow 178 in the end position of the roller arrangement 42 shown in FIG. 25, at which the corner area 10 is formed and with a protrusion that forms on the molding surface 36 of the tool 16 abuts.
  • Crucial for the exact forming of the corner area 10 is an accurate adjustment of the distance 134 between the mold surface 36 and the Contour of the surface line 132. The distance 134 is to achieve an exact corner deformation to the lower nominal dimension of a thickness 179 of component 2.
  • the setting of the distance 134 of the mold surface 36 from the roller assembly 42 is about causes the adjustment device 112 with which the link element 127 relative to the worktop 14 or to the roller arrangement 42 can be adjusted.
  • a reference dimension forms a vertical one on the worktop 14 extending center plane, along which the roller assembly 42 is adjusted is and a minimum diameter 182 of the double conical acting in the corner region 10 Roller assembly 42.
  • a spray nozzle 183 assigned to the clamping plate 175 is provided, which is connected via a line 184 is acted upon with a lubricant and coolant and thus lubricant and Coolant before the forming process in particular on an inclined surface of the clamping plate 175 sprayed on from where this lubricating and cooling fluid is gravitationally applied to the forming area is transmitted. Since even the smallest quantities are sufficient or too large quantities The spray nozzle 183 is to be avoided at all, as not shown further, via a Dosing device acted on with the lubricant and coolant.
  • 26 and 27 show the cutting device 113 of the corner shaping device 4 in detail shown.
  • On the worktop 14 is e.g. the fixed cutting element via a spacer 185 157 with an underside 186 running parallel to the worktop 14 in one Distance 187 releasably attached to the worktop 14.
  • the cutting element 157 forms one the spacer 185 projecting in the direction of the adjustable cutting element 158 Cut edge 163 from the bottom 186 and one perpendicular to the worktop 14 extending end face 188 is formed.
  • the distance 187 corresponds approximately to a thickness 189 of the adjustable cutting element 158, which is linearly adjustable on the worktop 14 and by means of the drive arrangement 160, e.g. a pressurized cylinder and the cutting edge 164 with the end face 168 and a top 190 formed.
  • the cutting element 157 is on its end face 188 with a cutting element 158 facing V-shaped, adapted to the corner region 10 of the component 2 to be trimmed Cutout 191 provided.
  • the adjustable cutting element 158 faces the fixed one Cutting element 157 and with the cutout 191 of the same shape and the end face 168 forming a nose-shaped projection 192.
  • the neckline is 191 with an inner curve adapted to the component 2 in the corner region 10 and the projection 192 with a corresponding outer curve.
  • such a cutting device 113 is not necessarily immediate can be built on the system 101, but can be a system that is separate from the system 101, form an independent cutting device 113.
  • FIG. 28 A further embodiment of the cutting device 113 is shown schematically in FIG. 28.
  • the component 2 to be trimmed is on a base plate 195 with its opening and the side walls 8 projecting upwards.
  • Across from the base plate 195 is an adjustable on this by means of drive 196 Carriage assembly 197 stored.
  • This slide assembly 197 has a tool carrier 198 on the fixed cutting element 157 and that on the drive assembly 160 adjustable cutting element 158 is mounted, the latter on the tool slide 198 in one Guide arrangement 199 is guided.
  • the overhang projecting over a height 206 of the side walls 8 194 is thus when performing the trimming process, i.e. by adjusting the adjustable Cutting element 158, relative to the fixed cutting element 157 exactly aligned to achieve the offset-free height 206 of the side walls 8 also in the corner area 10 separated.
  • the roller arrangement 42 forms the one Roller 125 is rotatably supported in bearings 207 of a mounting frame 208.
  • the guide elements 118 thus form a guide device 211 for the guide housing 210.
  • the changing device 121 has quick-closing elements 122, e.g. Lever 123 on to exchange quickly and without using expensive To be able to make tools.
  • a height 212 of the tool 16 or of the circumferential mold surfaces 36 is greater than the height 206 of the side walls 8 of the component 2.
  • the height 212 of the shaped surfaces 36 is a measure of the height 206 of the side walls 8 plus an expected height 213 of the overhang 194 corresponds.
  • FIG. 29 shows a further embodiment of the roller arrangement 42 with the hold-down device 62, wherein for components already contained in the previous figures the same terms and reference numbers are used.
  • guide device 107 e.g. two spaced apart and to the worktop 14 vertical guide rods 220 is a guide carriage 221 in to the worktop 14 adjustable in the vertical direction.
  • a drive for the guide carriage 221 is e.g. by one in the machine frame 104 or on one opposite the worktop 14 Cantilever 222 arranged and with the guide carriage 221 via a Piston rod 223 drive-connected, with a pressure medium, e.g. Hydraulic oil, actable Actuating cylinder 224.
  • a pressure medium e.g. Hydraulic oil, actable Actuating cylinder 224.
  • other drives are also conceivable, e.g. electrically operated spindle drives etc.
  • An interchangeably is held in the guide carriage 221 via the changing device 121 cassette 226 formed by a substantially U-shaped profile 225.
  • This cassette 226 The roller 125 is rotatably mounted in side legs 227, 228 about the parallel to the worktop 14 running central axis 124.
  • the side legs 227, 228 are spaced from the worktop 14 connected to a base leg 229 running parallel to this, which on a head plate 230 of guide carriage 221, which is aligned parallel thereto, for transmission that of the actuating cylinder 224 in the direction of the worktop 14 according to an arrow 231 applied pressure on the cassette 226 or roller 124 and also in the Cassette 226 adjustably arranged hold-down plate 232 of hold-down device 62.
  • the hold-down plate 232 is arranged in the base leg 229 via guide columns 233 Guide elements 234, e.g. Guide bushes 235, in the direction perpendicular to the worktop 14 adjustable led.
  • the guide columns 233 are comprehensive between the hold-down plate 232 and the base leg 229 arranged in coil springs 236 of a spring arrangement 237, where a maximum distance 238 from mutually facing surfaces of the base leg 229 and the hold-down plate 232 by a corresponding stop arrangement between the guide columns 233 and the base leg 229 is reached.
  • the hold-down device 62 with the hold-down plate 232 is referenced in the cassette 226 arranged on the roller 125 such that the V-shaped contour of the roller 125 facing End edges 181 of the hold-down plate 232 by the distance 180, which is in the Order of magnitude of approx. 1/10 mm moved, set back.
  • One of the hold-down surfaces 239 of the hold-down plate 232 facing the worktop 14 is on the machine frame 104 or the worktop 14 that for forming in the corner area 10 provided plate part 6 receiving tool 16, in particular a mold block 240 arranged, the further with its facing the roller 125 mold surface 96 with respect to the inner contour of the roller 125 facing him is adjustable and fixable, as is already the case described in detail in the previous figures. It is also mentioned that the form block 240 with respect to one arranged in the geometric center of the mold block 240 Positioning pin 241 and corresponding design of the fastening arrangement each is pivotable through 90 ° in a plane parallel to the worktop 14.
  • a preformed plate part 6 in which the side walls 8 e.g. through a folding process are preformed, are formed in the corner area 10, this is on the mold block 240 placed, the side walls 8 and the corner region 10, the shaped surfaces 96 of the Form block 240 overlap.
  • the drive or, for example, the actuating cylinder 224 is now acted upon and the cassette 226 moved with the roller 125 and the holding-down device 62 in the direction of the mold block whereby the plate part 6 is clamped to the mold block 240 by means of the hold-down plate 232 becomes.
  • FIGS. 1 to 15; 16; 17, 18; 19; 20; 21a, 21b; 22, 23; 24 25; 26, 27; 28; 29 shown designs the subject of independent inventive Form solutions.
  • the related tasks and solutions according to the invention can be found in the detailed descriptions of these figures.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Finishing Walls (AREA)
  • Making Paper Articles (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
EP02025979A 1999-05-17 2000-05-16 Procédé et dispositif pour la formation d'un coin limité sur trois côtés à partir d'un matériau en feuille plane Expired - Lifetime EP1287918B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP13522499 1999-05-17
JP13522499 1999-05-17
AT1132000 2000-01-26
AT1132000A AT410289B (de) 2000-01-26 2000-01-26 Verfahren und vorrichtung zur bildung einer dreiseitig begrenzten ecke aus einem ebenflächigen, plattenförmigen material
EP00936521A EP1202825B1 (fr) 1999-05-17 2000-05-16 Procede et dispositif pour la formation d'un coin limite sur trois cotes a partir d'un materiau en forme de plaque et a surface plane

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP00936521A Division EP1202825B1 (fr) 1999-05-17 2000-05-16 Procede et dispositif pour la formation d'un coin limite sur trois cotes a partir d'un materiau en forme de plaque et a surface plane

Publications (2)

Publication Number Publication Date
EP1287918A1 true EP1287918A1 (fr) 2003-03-05
EP1287918B1 EP1287918B1 (fr) 2004-12-29

Family

ID=25606308

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Application Number Title Priority Date Filing Date
EP02025979A Expired - Lifetime EP1287918B1 (fr) 1999-05-17 2000-05-16 Procédé et dispositif pour la formation d'un coin limité sur trois côtés à partir d'un matériau en feuille plane
EP00936521A Expired - Lifetime EP1202825B1 (fr) 1999-05-17 2000-05-16 Procede et dispositif pour la formation d'un coin limite sur trois cotes a partir d'un materiau en forme de plaque et a surface plane

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EP00936521A Expired - Lifetime EP1202825B1 (fr) 1999-05-17 2000-05-16 Procede et dispositif pour la formation d'un coin limite sur trois cotes a partir d'un materiau en forme de plaque et a surface plane

Country Status (8)

Country Link
US (2) US6715329B1 (fr)
EP (2) EP1287918B1 (fr)
AT (1) ATE285857T1 (fr)
AU (1) AU5198300A (fr)
CZ (3) CZ294914B6 (fr)
DE (3) DE50009144D1 (fr)
ES (2) ES2208335T3 (fr)
WO (1) WO2000069726A2 (fr)

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Publication number Priority date Publication date Assignee Title
EP3569324A1 (fr) 2018-05-14 2019-11-20 Fagor Arrasate, S.Coop. Installation et procédé de formation d'au moins une zone d'angle dans une plaque métallique

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US7043952B2 (en) * 2003-11-14 2006-05-16 Rsm. At Kraus & Pleniger Oeg Method and apparatus for forming flange corners
US20070200025A1 (en) * 2006-02-28 2007-08-30 Barner James W Apparatus and method for feeding a material web to a machine
US9375776B2 (en) 2011-01-26 2016-06-28 Vicon Machinery Llc Apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members
US10160027B2 (en) 2011-01-26 2018-12-25 Vicon Machinery Llc Apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members
US9623472B2 (en) 2011-01-26 2017-04-18 Vicon Machinery Llc Apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members
CN102328209B (zh) * 2011-08-22 2013-03-20 田书印 一种数控角成型加工机
DE102014003726A1 (de) * 2014-03-18 2015-09-24 Gkn Sinter Metals Engineering Gmbh Presse zum Herstellen maßhaltiger Grünlinge und Verfahren zum Herstellen
CA2924182C (fr) 2015-04-02 2022-12-06 Lombarda Macchine S.A.S. Di G.B. Lattuada & C. Methode de courbure automatique d'elements espaceurs en vue d'isoler les panneaux de verre a double vitrage et machine servant a mener la methode
US10478884B2 (en) 2015-07-15 2019-11-19 Heinrich Daniel Dechamps Method and device for forming from a flat sheet material a corner bounded by three sides
US20170356186A1 (en) * 2016-06-08 2017-12-14 Giuseppe (Joseph) RODA Pre-fabricating a metal dormer
WO2018055183A1 (fr) 2016-09-26 2018-03-29 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Outil et machine-outil et procédé de traitement de pièces en forme de plaques
EP3515617B1 (fr) 2016-09-26 2020-11-04 Trumpf Werkzeugmaschinen GmbH + Co. KG Outil et machine-outil ainsi que procédé d'usinage de pièces en forme de plaque
EP3515618B1 (fr) * 2016-09-26 2020-07-01 Trumpf Werkzeugmaschinen GmbH + Co. KG Outil et machine-outil ainsi que procédé pour usiner des pièces en forme de panneaux
GB201814069D0 (en) * 2018-08-29 2018-10-10 Cambridge Entpr Ltd Working of sheet metal
US11591802B1 (en) 2020-02-28 2023-02-28 Material Control, Inc. Modular access system
CN112845866B (zh) * 2020-12-25 2022-09-30 金能电气科技(洛阳)有限公司 一种电力母线槽加工成型方法
CN114653832B (zh) * 2022-04-11 2024-04-30 中山市百卓精密五金有限公司 一种精密冲压模具及其使用方法

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EP3569324A1 (fr) 2018-05-14 2019-11-20 Fagor Arrasate, S.Coop. Installation et procédé de formation d'au moins une zone d'angle dans une plaque métallique

Also Published As

Publication number Publication date
DE50009144D1 (de) 2005-02-03
CZ303968B6 (cs) 2013-07-24
EP1202825B1 (fr) 2003-10-15
EP1287918B1 (fr) 2004-12-29
WO2000069726A2 (fr) 2000-11-23
CZ12077U1 (cs) 2002-03-18
ATE285857T1 (de) 2005-01-15
AU5198300A (en) 2000-12-05
CZ20014124A3 (cs) 2002-10-16
US20040112106A1 (en) 2004-06-17
US6895796B2 (en) 2005-05-24
ES2236428T3 (es) 2005-07-16
WO2000069726A3 (fr) 2002-02-14
US6715329B1 (en) 2004-04-06
EP1202825A2 (fr) 2002-05-08
DE50004092D1 (de) 2003-11-20
ES2208335T3 (es) 2004-06-16
DE20021021U1 (de) 2001-03-29
CZ294914B6 (cs) 2005-04-13

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