EP0189904B1 - Table traçante avec appareil à dessiner - Google Patents

Table traçante avec appareil à dessiner Download PDF

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Publication number
EP0189904B1
EP0189904B1 EP86101120A EP86101120A EP0189904B1 EP 0189904 B1 EP0189904 B1 EP 0189904B1 EP 86101120 A EP86101120 A EP 86101120A EP 86101120 A EP86101120 A EP 86101120A EP 0189904 B1 EP0189904 B1 EP 0189904B1
Authority
EP
European Patent Office
Prior art keywords
plotter
drafting table
drafting
holes
din
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.)
Expired
Application number
EP86101120A
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German (de)
English (en)
Other versions
EP0189904A1 (fr
Inventor
Hans Lindemann
Wolfgang Dr.-Ing. Dipl.-Phys. Lindemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT86101120T priority Critical patent/ATE42066T1/de
Publication of EP0189904A1 publication Critical patent/EP0189904A1/fr
Application granted granted Critical
Publication of EP0189904B1 publication Critical patent/EP0189904B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
    • B43L13/04—Guides for rulers
    • B43L13/045—Guides for rulers with carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
    • B43L13/022—Draughting machines or drawing devices for keeping parallelism automatic

Definitions

  • the invention relates to a drawing board with a plotter, i.e. a controllably movable drawing pen, the plotter being movable over the drawing board.
  • drawings up to DIN AO size can usually be drawn, by hand using rulers, compasses and stencils that can be moved over the drawing board.
  • drawings created in this way can then be digitized and entered into a computer which has a special program, a so-called CAD program.
  • Drawings saved in the computer and revised or changed on a screen can be printed out with a plotter.
  • Plotters with different formats are available for this.
  • the costs of a plotter vary.
  • a plotter for the DIN AO drawing format currently costs at least DM 40,000.
  • plotters that have only a drawing area of A3, but that can be placed on a larger drawing sheet and can be moved there. These plotters have an input keyboard with which the drawing pen can be moved. These plotters are relatively inexpensive and they can also be operated with the appropriate user software using so-called micro- or personal computers, which are already available in many writing and drawing offices. Using these plotters, various individual drawings of the maximum format DIN A3 can be drawn on a larger sheet. The plotter is moved and aligned by hand on this larger drawing sheet. However, with this method of working it is not possible to draw a figure that is larger than the DIN A3 format to be processed by the plotter.
  • Such a known plotter is e.g. distributed by Rotringtechnik GmbH under the name “NC-plotscriber”.
  • NC-plotscriber There are various control units and a CAD system (screen drawing system). This system is also very expensive.
  • the invention has for its object to provide a generic drawing board with which drawings of the format DIN AO can be created cheaper.
  • the total area of the drawing board is divided into several fields that at least touch or even slightly overlap each other and to which the plotter can be firmly assigned.
  • An essential element of the invention is a plotter that can be set in different, precisely definable positions relative to a drawing board.
  • This plotter does not have its own support surface for the paper, but is placed on a drawing sheet, which is much larger in area than the plotter.
  • the plotter must therefore have no floor in the area of its drawing area, i.e. it has a frame that is open at the bottom.
  • Such a plotter essentially consists of a rectangular frame in which a guide rail is arranged displaceably in the direction parallel to a pair of side edges, the longitudinal extent of which is transverse to these side edges.
  • one or more drawing pen (s) can be moved and can be raised and lowered perpendicularly to the plane of extent of the frame.
  • a plotter with a frame that is open at the bottom is known as such (cf. "NC-plotscriber" from Rotringtechnik GmbH).
  • the plotter now used here must still have means for permanent assignment to a specific and determinable field of the drawing board, i.e. the plotter, like the well-known plotter, must not be able to move freely over the drawing board.
  • These means allow the plotter to be precisely aligned and held in relation to the individual fields.
  • Such means can be pens fixed on the drawing board, which can engage in bores that are provided either directly on the plotter or on a component that is firmly connected to the plotter. But it can also be provided both on the drawing board, and on the plotter holes, which are brought to escape and through the pens or the like for locking the plotter against the drawing board. are slidable.
  • Such a plotter preferably also has a keypad via which control commands for the drawing pen (s) can be entered.
  • a drawing machine is known from WO-A 8 502 150, which is considered prior art under EPC Art. 54 (3), which contains a first carriage arrangement to which a second carriage arrangement is attached.
  • This second carriage arrangement has two motor-driven carriages, one of which has a working head, which can contain a drawing pen.
  • the drawing pen can be moved in a so-called active area by means of this second carriage arrangement, while the active area can be defined with the first carriage arrangement.
  • This active area can be conveyed to a computer by means of data recorded by sensors.
  • the second carriage arrangement can be held in any definable active area by means of brakes.
  • a drawing board 1 which is known as such and can also have a drawing machine, not shown, which can be folded away or swung away, has here, at least on its upper longitudinal edge, a horizontally arranged row of pins 2 which are evenly spaced from one another and whose axes are perpendicular to Extend plane of the drawing board 1.
  • this drawing board 1 is provided for maximum sheet formats DIN AO (1,189 mm x 841 mm) and has a width of 1.5 m and a height of 1 m.
  • a drawing sheet 3 of the DIN AO format is arranged on this drawing board 1.
  • This drawing sheet 3 is now divided into three times three matrix fields 4, which is indicated here by dash-dotted field boundary lines 5.
  • the drawing board 1 is provided for character formats DIN A1 (841 mm x 594 mm) and correspondingly smaller.
  • a drawing sheet DIN A1 is correspondingly arranged on this drawing board, which is set in two matrix fields 4, as in FIG. 1, twice.
  • This division into matrix fields 4 need not be made by lines on the drawing sheet 3, although such auxiliary lines make the overview easier.
  • Each of these nine or four matrix fields 4 can be assigned one and the same plotter 6, so that nine or four different arrangements must be possible for this one plotter 6.
  • Each matrix field 4 is assigned a - here - two-digit field number 7, e.g. 11, 12,13,21,22,23,31, 32 and 33 or 11, 12,21 and 22, the first digit e.g. indicates the "row” of the matrix, while the second digit indicates the "column" of the matrix.
  • the fields 4 can also be numbered consecutively.
  • the plotter 6 can only process one matrix field in size A3.
  • a specific matrix field 4 e.g. in Figure 1 for the matrix field 4 with the field number "23" and in Figure 2 for the matrix field 4 with the field number "22”
  • the computer can internally manage a whole drawing sheet of the size DIN AO or DIN A1 and it can be drawn over the entire sheet format by successively shifting the plotter 6 if the computer also specifies the field number 7 of the matrix field 4 to which the plotter 6 is assigned.
  • This is possible by means of a software program which, on the basis of the assignment of the specific matrix field 4, only selects the respective virtual image of the specific matrix field 4 from the virtual overall image of the memory of the computer.
  • the assignment of the plotter 6 to a specific matrix field 4 can be obtained on the basis of two similar designs of the drawing board, the embodiment according to FIG. 2 being possible only if the entire sheet is divided into a maximum of two fields 4, i.e. if e.g. When using a DIN A3 plotter, only a drawing in DIN A1 format should be created on a correspondingly smaller drawing board 1.
  • FIG. 1 shows the use of a DIN A3 plotter 6 for creating a DIN AO drawing, a matrix with nine fields 4 being necessary.
  • the plotter 6 cannot - as in FIG. 2 - be fixed directly next to the drawing sheet, is on such a plotter 6 a plate 8 attached, which should be as transparent as possible and here consists of a plexiglass
  • This plate 8 is here somewhat narrower than the greatest length of the plotter 6, while the length of the plate 8 - seen in the vertical in FIG. 1, that is in the direction of the shorter side edge of the matrix field 4 - is slightly larger than twice the length is the shorter side edge of the matrix field 4.
  • This plate 8 now has three vertical rows of bores 9 that are evenly spaced from one another, that is, for a DIN AO character format and a DIN A3 format plotter, the three rows also being evenly spaced from one another.
  • the distance between two rows of bores 9 is at most as large as the shorter side edge of a matrix field 4 is long. If the size of the matrix field 4 corresponds exactly to the DIN A3 format, i.e. 420 mm x 297 mm, this distance is, for example, 280 mm.
  • the distance between the bores 9 of a row is to be determined such that a multiple thereof corresponds at most to the length of the longer side edge of the matrix field, i.e. in A3 format e.g. the distance between two holes is 140 mm.
  • a strip 10 is now attached to the upper side edge of the drawing board 1, in which the pins 2 are arranged in a row, this row running parallel to this side edge of the board.
  • the distance between two adjacent pins 2 corresponds exactly to the distance between adjacent holes in the plate 8.
  • the plotter 6 is assigned to another exactly defined position, here the matrix field 4 with the field number "22".
  • This matrix field 4 now has coordinates that are smaller in the virtual image of the computer by three times the distance between adjacent pins 2, ie here by 420 mm, in the horizontal X direction than the coordinates of the matrix field 4 with the field number "23 ".
  • the plotter 6 can be hung higher or lower, the vertical Y coordinates being changed by 280 mm in each case according to the embodiment according to FIG.
  • the plotter 6 now has a keypad 12. With this keypad 12, control commands for the drawing pen 6 can be entered. Depending on the command, this command is also communicated directly to the computer via line 13.
  • the keypad 12 can e.g. Enter that the drawing pen should draw a line in a certain direction and with a certain length starting from a predetermined point.
  • the drawing pen is moved in differently sized, graduated steps. Such steps are e.g. 100 mm, 10 mm, 1 mm and 0.1 mm each. If you want the pen to move along a line e.g. a total of 243.1 mm are moved, the drawing pen is moved twice by 100 mm using a "100 mm button", then four times 10 mm using a "10 mm button”, then three times using a "1 mm button” 1 mm and finally by a "0.1 mm button” by 0.1 mm. From this it can be seen that if the designer does not know the total length of the line to be drawn, he can gradually "touch" the end of the line.
  • the pens 2, which align the plotter 6 with respect to the drawing board 1, are arranged next to the drawing sheet 3 around it on all of its side edges, while the plotter 6 itself has holes 9 on its rectangular frame, as shown in FIG. 2, or a circumferential strip in which the bores 9 are arranged is also attached to this frame.
  • a separate plate 8, as in the embodiment according to FIG. 1, is therefore not necessary here.
  • the distances between adjacent bores 9 and pins 2 are to be selected here analogously to the embodiment according to FIG. 1.
  • the plotter 6 can be fixed on two of its side edges opposite the drawing board 1.
  • this bar should also be made of a transparent material, e.g. consist of a plexiglass.
  • the edge of the plotter 6 should be as narrow as possible, since the parts of the drawing that are located below this edge cannot be seen by the designer. The narrower this border is, the better the overview of the entire drawing.
  • the pens 2 which are attached to the drawing board 1 directly (FIG. 2) or indirectly (FIG. 1), are made of wear-resistant metal.
  • the strip 10 can also be made of metal in order to ensure sufficient stability thereof and permanent alignment of the pins 2 even over a long period of time.
  • the “bores” 2 described above are bores in a plexiglass plate 8 or circumferential plexiglass strip into which metal bushings are inserted.
  • the inner diameter of these metal bushings is matched to the outer diameter of the pins 2 so that there is a snug fit. This ensures the exact positioning of the plotter 6 relative to the pens 2 and thus relative to the drawing board 1. If after a long use of the drawing board 1 with the plotter 6 the play between the holes 9 and the pins 2 is too great, the metal bushings can be exchanged for new metal bushings. It is also possible to design the pins 2 to be interchangeable in order to ensure an exact fit when the pins 2 are worn.
  • a frame made of several strips is provided, each of which is parallel to the side edges of the plotter.
  • the matrix fields 4 can also be classified differently than described above, in particular the matrix fields 4 can be significantly smaller than described above.
  • the entire drawing sheet can also be divided into matrix fields 4, which are horizontally and / or vertically displaced by exactly 100 mm from each other, although multiples of them then no longer match the DIN formats. However, the designer then has the opportunity to easily follow the coordinates even when the plotter is moved.
  • the plotter 6 can also be fixed to a known drawing machine instead of the drawing rulers, e.g. on this means, such as holes and pens, are provided in order to lock the drawing machine and thus the plotter in a particular position.
  • Such 'drawing machines must, however, be made more stable than is customary, since the plotter 6 has a much greater weight than the rulers otherwise used.
  • a so-called parallelogram drawing machine e.g. bores are provided in each strut of a pair of parallel guides, a bore of the one guide strut being made to coincide with a bore of the other guide strut for each desired matrix field 4 and secured against one another by means of a pin or the like.
  • Drawing machines with straight guidance are also known, in which the drawing head with the drawing rulers can be displaced vertically along a vertical rail, this vertical rail itself being horizontally displaceable on one or two horizontal rails.
  • sensors can also be provided in these rails for determining the position of the drawing rulers.
  • a plotter is now fixed on the vertical rail of the drawing machine, in particular in a rotationally fixed manner.
  • the position of the plotter on the drawing board can now be determined by the transducers and the values obtained are immediately transmitted to the computer.
  • the plotter can e.g. can be moved by motor over the drawing board with stepper motors. It is also advisable to divide the drawing board into certain fields, e.g. the plotter is only moved in 100 mm steps along the vertical rail and the vertical rail along the horizontal rail. For this, e.g. a number of limit switches are provided in both the vertical and horizontal rails. The plotter is moved by actuating another switch until it has reached a certain limit switch assigned to the desired matrix field 4 on the drawing board.
  • FIG. 3 shows a drawing board 1, on the vertical side edges of which strips 10 with bores 2 'are arranged, against which a horizontal strip 14 with bores 2 can be fixed. These strips 10 and 14 can be the rails of a drawing machine. On this bar 14, the plotter 6 can be fixed relative to the bores 2. The plotter also has 6 holes here. A pin 15 is inserted through appropriate holes in order to hold the plotter 6 relative to the drawing board 1. A hole spacing of 200 mm was chosen here, so that there are a total of 20 overlapping matrix fields 4.
  • the embodiment according to FIG. 4 uses a rectangular frame 16 which is horizontally displaceable and fixable with respect to the drawing board 1, while the plotter 6 can be vertically displaced and fixed in this frame 16.
  • the hole spacing in the horizontal is 200 mm
  • the hole spacing in the vertical is 100 mm is.
  • the format of the plotter 6 is taken into account, which is larger in the horizontal than in the vertical.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)

Claims (11)

1. Planche à dessin avec table traçante (6), c'est-à-dire dispositif avec au moins un crayon à dessin monté à l'état manoeuvrable et déplaçable, la planche à dessin (1) étant divisée en plusieurs champs (4) à chacun desquels la table traçante (6) peut être affectée solidement et le rayon d'action du crayon à dessin étant au moins aussi grand qu'un simple champ (4), la table traçante (6) étant déplaçable sur la planche à dessin (1) et un élément de soutien (8) de la table traçante (6) étant disposé sur celle-ci, des organes (9) inverses des organes (2) présents sur la planche à dessin pour le maintien de la table traçante (6) étant prévus sur l'élément de soutien (8) et destinés à maintenir et à aligner exactement ladite table traçante (6) par rapport aux différents champs (4).
2. Planche à dessin selon la revendication 1, caractérisée en ce que des organes (2, 9) distants régulièrement les uns des autres sont disposés, pour le maintien de la table traçante (6), au moins sur un côté longitudinal, de préférence sur le côté longitudinal supérieur de la planche à dessin (1).
3. Planche à dessin selon l'une quelconque des revendications 1 et 2, caractérisée en ce que les organes (2) pour le maintien de la table traçante (6) sont disposés sur tous les côtés de la planche à dessin (1).
4. Planche à dessin selon l'une quelconque des revendications 1 à 3, caractérisée en ce que les organes pour le maintien de la table traçante (6) sont des broches (2), de préférence des broches métalliques disposées perpendiculairement au plan d'extension de la planche à dessin, ainsi que des ouvertures (9) prévues sur la table traçante (6) ou sur un élément de construction (8) raccordé solidement à celle-ci.
5. Planche à dessin selon la revendication 4, caractérisée en ce que la table traçante (6) comprend, sur sa périphérie, des ouvertures (9) où pénètrent les broches (2).
6. Planche à dessin selon l'une quelconque des revendications 1 à 5, caractérisée en ce que la table traçante (6) est disposée sur un élément (8) pour son soutien et en ce que cet élément (8) comprend plusieurs rangées parallèles entre elles d'ouvertures (9) distantes les unes des autres, les broches (2) de la planche à dessin (1) pénétrant dans une rangée d'ouvertures (9).
7. Planche à dessin selon la revendication 6, caractérisée en ce que l'élément de soutien de la table traçante (6) est une plaque (8) de préférence transparente, sur laquelle est fixée la table traçante (6).
8. Planche à dessin selon la revendication 7, caractérisée en ce que l'élément de soutien de la table traçante (6) est un cadre composé de plusieurs lattes et fixé sur la table traçante, les rangées d'ouvertures (9) étant prévues dans les lattes horizontales du cadre.
9. Planche à dessin selon l'une quelconque des revendications 1 à 8, caractérisée en ce que le rayon d'action du crayon à dessin dans la table traçante (6) correspond au moins au format de la DIN A3.
10. Procédé pour projeter et dessiner à l'aide d'une planche à dessin avec table traçante selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le crayon à dessin se déplace selon des pas déterminés, étagés et différemment grands, en particulier après affectation de la table traçante à un champ déterminé de la planche à dessin.
11. Procédé selon la revendication 10, caractérisé en ce que le crayon à dessin se déplace selon des pas de 100 mm, 10 mm, 1 mm et 0,1 mm.
EP86101120A 1985-01-28 1986-01-28 Table traçante avec appareil à dessiner Expired EP0189904B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86101120T ATE42066T1 (de) 1985-01-28 1986-01-28 Zeichenbrett mit plotter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3502780 1985-01-28
DE19853502780 DE3502780A1 (de) 1985-01-28 1985-01-28 Zeichenbrett mit plotter

Publications (2)

Publication Number Publication Date
EP0189904A1 EP0189904A1 (fr) 1986-08-06
EP0189904B1 true EP0189904B1 (fr) 1989-04-12

Family

ID=6260976

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86101120A Expired EP0189904B1 (fr) 1985-01-28 1986-01-28 Table traçante avec appareil à dessiner

Country Status (3)

Country Link
EP (1) EP0189904B1 (fr)
AT (1) ATE42066T1 (fr)
DE (2) DE3502780A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3839803A1 (de) * 1987-12-02 1989-06-15 Erhard Luginsland Verfahren und vorrichtung zum bearbeiten von flaechen mit einem x-y-antrieb
EP0535442B1 (fr) * 1991-10-04 1995-12-27 Bernd Dipl-Ing. Dölling Dispositif pour la production de dessins sur un support en forme de feuille, par exemple sur une feuille en papier transparent, au moyen d'un outil générant des points, traits, tel que crayon ou compas
DE4307889C2 (de) * 1993-03-12 1997-04-10 Axel Donat Verfahren zum automatischen Entgittern und Übertragen computergeschnittener Selbstklebefolien und Folie zur Durchführung des Verfahrens

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS216548B2 (en) * 1979-06-09 1982-11-26 Rotring Werke Riepe Kg Lettering device
DE3144057A1 (de) * 1981-11-06 1983-05-19 Held, Kurt, 7218 Trossingen Vorrichtung zum abdichten der schreibspitze an schreibgeraeten
DE3128699A1 (de) * 1981-07-21 1983-02-10 Helmut Ing.(grad.) 7100 Heilbronn Sigler Miniplotter
DE3211174C2 (de) * 1982-03-26 1984-08-09 Held, Kurt, 7218 Trossingen Rechnergestützte Zeichenmaschine
DE3220568A1 (de) * 1982-06-01 1983-12-01 Held, Kurt, 7218 Trossingen Numerisch gesteuertes schreibgeraet
DE3340677C2 (de) * 1983-11-10 1985-12-19 Franz Kuhlmann Präzisionsmechanik und Maschinenbau GmbH & Co KG, 2940 Wilhelmshaven Zeichen- oder Graviereinrichtung

Also Published As

Publication number Publication date
EP0189904A1 (fr) 1986-08-06
ATE42066T1 (de) 1989-04-15
DE3502780A1 (de) 1986-07-31
DE3662765D1 (en) 1989-05-18

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