EP3388161B1 - Dispositif d'usinage manuel doté du dispositif de pliage - Google Patents

Dispositif d'usinage manuel doté du dispositif de pliage Download PDF

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Publication number
EP3388161B1
EP3388161B1 EP18167198.3A EP18167198A EP3388161B1 EP 3388161 B1 EP3388161 B1 EP 3388161B1 EP 18167198 A EP18167198 A EP 18167198A EP 3388161 B1 EP3388161 B1 EP 3388161B1
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EP
European Patent Office
Prior art keywords
processing device
pocket
folding
edge
recess
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EP18167198.3A
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German (de)
English (en)
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EP3388161B8 (fr
EP3388161A1 (fr
Inventor
Wieslaw Szczcerba
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/002Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00Flanging or other edge treatment, e.g. of tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/16Folding; Pleating

Definitions

  • the invention relates to a manual processing device for bending flat metal sheets for mobile construction site use.
  • Panel bending is a manufacturing process.
  • the main group of forming it belongs to the group of bending forming, where it is assigned to the sub-group of bending with rotating tools together with roll bending, round bending and rotary bending.
  • Swivel bending beams are used as tools for swivel bending.
  • the workpiece is clamped between separate upper beams and lower beams and is bent.
  • Similar profiles can be produced by swivel bending, e.g. B. by die bending. There, however, the tool executes a linear movement.
  • the process can be carried out on a special swivel bending machine or implemented in fully automatic bending centers.
  • a possible device that can be used on a construction site is the one in the DE 20 2008 013 608 U1 device described.
  • This has a table on which, among other things, a folding device consisting of several mutually movable cheeks is arranged, wherein after inserting a metal sheet, one of the cheeks is rotated about the other cheek in a longitudinal axis and thus a metal sheet lying in between can be bent and folded.
  • a folding device consisting of several mutually movable cheeks is arranged, wherein after inserting a metal sheet, one of the cheeks is rotated about the other cheek in a longitudinal axis and thus a metal sheet lying in between can be bent and folded.
  • Such a device has the disadvantage that the dimensions of the device are relatively large, and that they cannot be readily adapted to the specific place of use, e.g. B. on the scaffolding, pitched roof can be taken.
  • a right-angled L-shaped mobile sheet metal bending device is known from US Pat US5836198 known in which the sheet is insertable into a pocket of the device, the pocket being located along the long leg and in the plane of the right-angled L-shaped device, and by attacking the short leg the sheet can be bent.
  • the object of the invention is therefore to specify a device with which processing, in particular bending and edging, of a flat metal sheet can be carried out easily and without the use of complex tools, on site at a construction site.
  • only one tool should be required for further processing, in particular for scribing and/or marking metal sheets.
  • the processing device for the mobile processing of flat metal sheets has at least one folding device, wherein the at least one folding device is set up for folding a flat metal sheet manually.
  • the processing device is formed in one piece and consists of a rigid metal part.
  • the bending device has a pocket that runs parallel to a longitudinal extent of a side and/or edge of the processing device and is open in at least one direction, the pocket is set up to receive the flat metal sheet.
  • the pocket thus has an opening, the opening of the pocket lying in the plane of a surface which is spanned by at least two longitudinal sides of the processing device and in particular adjoins an edge and/or a side of the processing device.
  • the pocket is characterized by two at least partially continuous and mutually parallel surfaces of the one-piece and rigid metal part delimited, wherein the two surfaces are connected to each other via a connecting web.
  • a first surface of the two surfaces lies against the edge and/or side of the processing device and is perpendicular to the surface defined by the at least two longitudinal sides of the processing device.
  • the two surfaces delimiting the pocket and lying parallel to one another are spaced apart from one another by the amount of a width of the opening of the pocket.
  • An advantage of such a processing device with at least one bending device, which is part of the one-piece processing device, is that the dimensions of the processing device can be adapted to the needs, and that the processing device can be used, among other things, at any location on a construction site.
  • a folding device enables easy and simple processing, namely bending and thus folding of a flat metal sheet, which is also used at different locations on a construction site.
  • the processing device is designed as a right-angled trapezium in a top view of the processing device, the trapezium forming in particular two right angles and three sides of the processing device that adjoin the two right angles each represent a straight line in a top view of the processing device.
  • a trapezoidal design enables particularly simple and safe handling of the processing device, which in particular also enables a precise and/or clean angle stop, distance gauge with recess for marking or later cutting and/or clean processing of the flat metal sheet can be accomplished.
  • the processing device consists of a stainless steel sheet.
  • Stainless steel is particularly resistant to corrosion and is therefore well suited for use outdoors on construction sites.
  • the processing device has a thickness of 1 mm to 2 mm, in particular 1.5 mm.
  • a thickness leads to a tool that is still easy to handle (also with regard to its weight, of in particular approx. 500 g to 1300 g), but ensures sufficient bending stiffness of the material.
  • the shape, in particular the outer shape, in particular the extent and the outer circumference, of the processing device is cut with a laser, in particular from a stainless steel sheet.
  • This method of manufacture is particularly simple and can be carried out precisely.
  • a first side and/or edge of the processing device is no longer than 320 mm, in particular no longer than 260 mm, in a plan view of the processing device, and a second side and/or edge of the processing device is no longer than 250 mm in a plan view of the processing device mm, in particular no longer than 215 mm, and a third side and/or edge of the processing device in a plan view of the processing device no longer than 200 mm, in particular no longer than 150 mm.
  • the processing device is still easy to handle as a hand-held tool that is easy to carry.
  • the opening advantageously has an opening width which is larger, in particular by at most 50% larger, than the thickness of a flat metal sheet to be folded.
  • the opening width can in particular be at most 1.5 mm, advantageously at most 1.0 mm.
  • a certain oversize (larger opening width compared to the material thickness, the thickness of the flat metal sheet to be bent is necessary in order to be able to insert the sheet into the pocket and on the other hand to have room for deformation when bending over.
  • the opening width may be too large in relation to the However, the thickness of the flat metal sheet must not be increased either, since otherwise clean folding is not possible and the sheet metal could possibly even slide out of the pocket.
  • the two mutually parallel surfaces of the pocket are at right angles to the surface defined by at least two longitudinal sides of the Processing device is clamped.
  • the perpendicular position ensures good leverage for applying the forming force required for bending.
  • the extent of the two parallel surfaces perpendicular to the surface which is spanned by at least two longitudinal sides of the processing device can in particular have a length of 10 mm to 40 mm, in particular 20 mm. It has been shown that edge depths of corresponding dimensions are required particularly frequently, so that they can be easily produced using the processing device according to the invention.
  • the processing device has two folding devices. For example, different dimensions for the edge depths can be achieved if the bending devices each have different lengths.
  • the processing device advantageously has a first bending device with a longitudinal extent of the pocket (in a direction transverse to the opening width) of the first bending device which is greater than the longitudinal extent of the pocket of a second bending device.
  • Different longitudinal extensions of the parallel surfaces can also be realized for different edge widths that can be produced with the tool
  • the processing device has a marking template on one side and/or edge of the processing device, along whose longitudinal extension no pocket of the folding device runs, with the marking template at least is partially arranged on one side and/or edge of the processing device and at least one, in particular three, scribing lug(s) and at least one, in particular nine, contact point(s) are arranged along this extension, the at least one contact point being separated from the at least one marking lug is spaced apart by a distance, which distance can be 10 mm, 15 mm, 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 45 mm and/or 50 mm, with the value of the distance being adjacent to the
  • the processing device has on its surface, in a plan view of the processing device, at least one, in particular slot-shaped, recess, in particular at least 4 recesses, in particular 22 recesses, which can be cut in particular with the aid of a laser, the at least one recess having a longitudinal extent which has an angle to a side and/or edge of the processing device, which angle includes in particular an angle of 0° to 60°.
  • the angles that the respective longitudinal extension has to the one side and/or edge of the processing device are advantageously different.
  • the longitudinal extent of the in particular slot-shaped recesses can in particular have a length of 10 mm to 30 mm, advantageously 20 mm, and in particular a width of 1.0 mm to 2.0, advantageously 1.5 mm.
  • the value of the angle of the at least one longitudinal extent to the one side and/or edge of the processing device can advantageously be shown, e.g. engraved, adjacent to the at least one recess on the tool. This design also results in a further benefit of the processing device, namely as a protractor.
  • the recesses can be used to accommodate dyke inclinations, gradients, bending radii, etc.
  • the angles of a corresponding inclination can also be checked with the processing device during a construction process.
  • the object is also achieved with a method for mobile processing of flat metal sheets with a one-piece processing device consisting of a rigid metal part according to the above description, the flat metal sheet being processed and folded with a folding device arranged on the processing device in that the flat metal sheet is placed in an opening is placed in a pocket of the folding device, and by manually moving the one-piece processing device in relation to the flat metal sheet, the portion of the flat metal sheet placed in the pocket of the folding device is folded.
  • FIG 1 a top view of the processing device is shown.
  • the processing device has a generally trapezoidal outer contour, with three adjacent sides 3, 6, 6' each being at right angles to one another.
  • a bending device 2, 2' extends along each of two opposite longitudinal extensions 3, 6' of the parallel edges of the processing device.
  • a marking template 10 is arranged on a further, fourth edge 9 of the processing device. This extends only partially over the fourth edge 9.
  • the scribing template 10 has several scribing lugs 11, with which possible dimensions can be marked on the flat metal sheet.
  • contact points 12 are also arranged on the scribing template 10, with the contact points 12 being spaced apart by a scribing nose 11 in each case.
  • the respective distance between a contact point 12 and a marking nose 11 can be configured differently.
  • several scribing lugs 11, three in all, each with one or more application points 12, nine in all, are shown.
  • the contact points 12 have different distances to a marking nose 11 in each case.
  • the length of the extension is shown next to the contact point 12 for simplification during the operation of the processing device on the processing device, for example engraved.
  • Workpieces can be marked, for example at 5 mm intervals from 0 to 50 mm, thanks to the function as a marking template will. To do this, the front edge of the side of the flat metal sheet to be bent is pushed to the contact point provided for the planned distance and the distance is marked on the flat metal sheet with the marking nose.
  • recesses 13 can be seen, which break through the surface of the processing device.
  • These recesses 13 each have a longitudinal extent along one side of the recess 14 . They are generally rectangular or slit-shaped.
  • the longitudinal extent of the respective recesses is set up or arranged in an angular relationship in relation to an edge of the processing device, which serves as a reference or base edge.
  • the base edge represents the edge or side 6 of the processing device.
  • recesses 13 are arranged at an angle to the edge 6 of 0° to 60° with different angular values and spaced apart from one another.
  • the figure 2 shows a side view of the machining device figure 1 1, showing a view of the edge or side 6 of the processing device.
  • the folding devices 2, 2' border on one side 3 of the processing device, with the folding devices 2, 2' being part of the processing device 1, which is designed in one piece overall.
  • the folding devices 2, 2' run parallel to the side 3 of the processing device 1 and each have a pocket 4 which is open in at least one direction.
  • the opening 5 of the respective pocket 4 opens into a plane of a surface which is spanned by the longitudinal side 6 and the side 6' of the processing device.
  • the respective pocket 4 in turn is delimited by two mutually parallel surfaces 7, 7'. Since the entire processing device, including the bending device, is designed in one piece, these two surfaces 7 , 7 ′ are connected to one another by means of a connecting web 8 .
  • FIG. 3a is the processing device 1 with a bending device 2 of figure 1 and 2, respectively, with a flat metal sheet M also being shown.
  • this flat metal sheet M is inserted into the pocket 4 through the opening 5 of the bending device 2, as in FIG Figure 3b shown.
  • the flat metal sheet is folded accordingly.

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

Claims (11)

  1. Dispositif d'usinage (1) pour l'usinage mobile de feuilles métalliques plates comprenant au moins un dispositif de pliage (2), dans lequel ledit au moins un dispositif de pliage (2, 2') est configuré pour le pliage manuel d'une feuille métallique plate, dans lequel
    a. le dispositif d'usinage (1) est formé d'une seule pièce et se compose d'une partie métallique résistant au pliage et que
    b. le dispositif de pliage (2, 2') présente une poche (4) parallèle à une extension longitudinale d'un côté (3) et/ou d'un bord (3) du dispositif d'usinage (1) et ouverte dans au moins une direction,
    c. dans lequel la poche (4) est conçue pour recevoir la feuille de métal plate, et
    d. les deux surfaces parallèles (7, 7') sont espacées de la dimension d'une largeur de l'ouverture de la poche (4), caractérisé en ce que
    e. une ouverture (5) de cette poche se trouve dans le plan d'une surface qui est définie par au moins deux côtés longitudinaux (6, 6') du dispositif d'usinage, et en particulier jouxte un bord et/ou un côté (3) du dispositif d'usinage, et en ce que
    f. la poche (4) est délimitée par deux surfaces (7, 7') au moins partiellement continues et mutuellement parallèles de la pièce métallique monobloc et rigide en flexion, lesquelles surfaces sont reliées l'une à l'autre par une bande de liaison (8), dans laquelle
    g. une première surface (7) bute contre le bord et/ou le côté du dispositif d'usinage et est perpendiculaire à la surface définie par lesdits au moins deux côtés longitudinaux (6, 6') du dispositif d'usinage.
  2. Dispositif d'usinage selon la revendication 1, caractérisé en ce que le dispositif d'usinage présente un contour extérieur en forme de trapèze à angle droit, le trapèze formant notamment deux angles droits et trois côtés (3, 6, 6') du dispositif d'usinage adjacents aux deux angles droits représentent chacun une ligne droite dans une vue de dessus du dispositif d'usinage.
  3. Dispositif d'usinage selon l'une des revendications 1 ou 2, caractérisé en ce que le dispositif d'usinage est constitué d'une tôle d'acier inoxydable et présente notamment une épaisseur de 1,0 mm à 2,0 mm, avantageusement 1,5 mm.
  4. Dispositif d'usinage selon l'une des revendications 1 à 3, caractérisé en ce que la forme, notamment la forme extérieure, du dispositif d'usinage est découpée au laser.
  5. Dispositif d'usinage selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'un premier côté et/ou bord (6) du dispositif d'usinage ne dépasse pas 320 mm, en particulier 260 mm, et en ce qu'un deuxième côté et/ou bord (6') du dispositif d'usinage ne dépasse pas 250 mm, en particulier 215 mm, et un troisième côté (3) et/ou bord (3) du dispositif d'usinage ne dépasse pas 200 mm, en particulier 150 mm.
  6. Dispositif d'usinage selon l'une des revendications 1 à 5, caractérisé en ce que l'ouverture (5) présente une largeur d'ouverture supérieure, notamment supérieure d'au plus 50%, à une épaisseur de la tôle plane à plier, notamment une largeur d'ouverture d'au plus 1,5 mm, notamment d'au plus 1,0 mm.
  7. Dispositif d'usinage selon l'une des revendications 1 à 6, caractérisé en ce que les deux surfaces parallèles (7, 7') de la poche (4) sont perpendiculaires à la surface définie par au moins deux côtés longitudinaux (6, 6') du dispositif d'usinage, l'extension longitudinale des deux surfaces parallèles (7, 7') étant notamment perpendiculaire à la surface définie par au moins deux côtés longitudinaux du dispositif d'usinage, une longueur du dispositif d'usinage étant comprise entre 10 mm et 40 mm, en particulier 20 mm.
  8. Dispositif d'usinage selon l'une des revendications 1 à 5, caractérisé en ce qu'il comporte deux dispositifs de pliage (2, 2'), notamment un premier dispositif de pliage (2') avec une extension longitudinale de la poche (4) du premier dispositif de pliage (2'), transversalement à sa largeur d'ouverture, qui est supérieure à l'extension longitudinale de la poche (4) du deuxième dispositif de pliage (2), transversalement à sa largeur d'ouverture.
  9. Dispositif d'usinage selon l'une des revendications 1 à 6, caractérisé en ce qu'il présente un gabarit de marquage (10) sur un côté (9) et/ou un bord (9) du dispositif d'usinage, sur l'extension longitudinale duquel ne s'étend aucune poche (4) du dispositif de pliage (2, 2'), le gabarit de marquage (10) étant disposé au moins partiellement sur le côté et/ou le bord (9) du dispositif d'usinage et présentant au moins deux, en particulier trois, ergots de marquage (11) et au moins deux, en particulier neuf, points de contact (12) le long de son extension, ledit au moins un point de contact (12) étant disposé sur le côté et/ou le bord (9) du dispositif d'usinage, au moins deux, en particulier trois, pattes de marquage (11) et au moins deux, en particulier neuf, points de contact (12) le long de son extension, en particulier trois, pattes de marquage (11) et au moins deux, en particulier neuf, points de contact (12), ledit au moins un point de contact (12) étant espacé de ladite au moins une patte de marquage (11) d'une distance, en particulier d'une distance de 10 mm, 15 mm, 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 45 mm et/ou 50 mm, dans lequel en particulier la valeur de la distance adjacente audit au moins un point de contact sur le dispositif d'usinage est indiquée.
  10. Dispositif d'usinage selon l'une des revendications 1 à 7, caractérisé en ce que le dispositif d'usinage présente sur sa surface au moins un évidement (13), notamment en forme de fente, en particulier au moins quatre évidements de ce type, de préférence 22 évidements de ce type, qui traverse cette surface et qui a été découpé, en particulier à l'aide d'un laser, dans lequel ledit au moins un évidement (13) a un prolongement longitudinal (14) qui a un angle par rapport à un côté et/ou un bord (6, 6') du dispositif d'usinage, qui comprend en particulier un angle de 0° à 60°, dans lequel en particulier le prolongement longitudinal (14) de l'évidement a une longueur de 10 mm à 30 mm, de préférence de 20 mm, et l'évidement a en particulier une largeur de 1.0 mm à 2,0 mm, en particulier de 1,5 mm, dans lequel en particulier la valeur angulaire de ladite au moins une extension longitudinale (14) par rapport à un côté et/ou un bord (6, 6') du dispositif d'usinage adjacent à ladite au moins une cavité (13) est représentée.
  11. Procédé d'usinage mobile de tôles plates avec un dispositif d'usinage d'une seule pièce constitué d'une pièce métallique résistant au pliage selon l'une des revendications 1 à 10, dans lequel la tôle plate est traitée et pliée avec un dispositif de pliage disposé sur le dispositif d'usinage en ce que la tôle plate est placée dans une ouverture d'une poche du dispositif de pliage, et la tôle plate placée dans la poche du dispositif de pliage est pliée en déplaçant manuellement le dispositif d'usinage d'une seule pièce par rapport à la tôle plate.
EP18167198.3A 2017-04-13 2018-04-13 Dispositif d'usinage manuel doté du dispositif de pliage Active EP3388161B8 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017003624.1A DE102017003624A1 (de) 2017-04-13 2017-04-13 BE-Fassade Kantvorrichtung (mobile manuelle Miniaturabkantvorrichtung aus Edelstahlblech)

Publications (3)

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EP3388161A1 EP3388161A1 (fr) 2018-10-17
EP3388161B1 true EP3388161B1 (fr) 2022-11-16
EP3388161B8 EP3388161B8 (fr) 2023-01-25

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2518944A1 (de) * 1975-04-29 1976-11-11 Pusch Karl Heinz Tragbares biegewerkzeug
US5836198A (en) * 1998-01-02 1998-11-17 Guilford; Brian L. Combination square and bending tool
US20100126247A1 (en) * 2008-11-26 2010-05-27 Owens Iv John D Flashing bender

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05172281A (ja) * 1991-12-25 1993-07-09 Ee O Y Syst Kenkyusho:Kk ダクトの組立方法及びそのダクトのはぜ継手構造
US9101969B2 (en) * 2002-02-01 2015-08-11 Jeffrey Allen Hermanson Rectangular/square spiral ducting systems with flange connectors
DE202008013608U1 (de) * 2008-10-14 2010-03-04 Corus Bausysteme Gmbh Bearbeitungsvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2518944A1 (de) * 1975-04-29 1976-11-11 Pusch Karl Heinz Tragbares biegewerkzeug
US5836198A (en) * 1998-01-02 1998-11-17 Guilford; Brian L. Combination square and bending tool
US20100126247A1 (en) * 2008-11-26 2010-05-27 Owens Iv John D Flashing bender

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EP3388161B8 (fr) 2023-01-25
EP3388161A1 (fr) 2018-10-17
DE102017003624A1 (de) 2018-10-18

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