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EP0091579A2 - Machine pour l'estampage de matrices de caractères - Google Patents

Machine pour l'estampage de matrices de caractères Download PDF

Info

Publication number
EP0091579A2
EP0091579A2 EP83102864A EP83102864A EP0091579A2 EP 0091579 A2 EP0091579 A2 EP 0091579A2 EP 83102864 A EP83102864 A EP 83102864A EP 83102864 A EP83102864 A EP 83102864A EP 0091579 A2 EP0091579 A2 EP 0091579A2
Authority
EP
European Patent Office
Prior art keywords
embossing
machine according
type wheel
workpiece
type
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
EP83102864A
Other languages
German (de)
English (en)
Other versions
EP0091579A3 (en
EP0091579B1 (fr
Inventor
Hermann Ing.-Grad. Kull
Walter Gerst
Wilfried Ing.-Grad. Werner
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.)
Otto Borries KG
Original Assignee
Otto Borries KG
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 Otto Borries KG filed Critical Otto Borries KG
Priority to AT83102864T priority Critical patent/ATE44911T1/de
Publication of EP0091579A2 publication Critical patent/EP0091579A2/fr
Publication of EP0091579A3 publication Critical patent/EP0091579A3/de
Application granted granted Critical
Publication of EP0091579B1 publication Critical patent/EP0091579B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/38—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for embossing, e.g. for making matrices for stereotypes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/0076—Machines or apparatus for embossing decorations or marks, e.g. embossing coins having a series of embossing tools each of which can be brought into working position

Definitions

  • the invention relates to a machine for embossing type identifications on workpieces, and in particular type plates, according to the preamble of claim 1.
  • the present invention is intended to further develop a machine in accordance with the preamble of claim 1 in such a way that type identifications of different sizes and with different arrangement of the embossing fields can be processed in succession without mechanical setup work.
  • two completely independent drives are provided in two mutually perpendicular coordinate directions for the relative movement between the embossing head and the workpiece to be embossed.
  • These drives are controlled by a computer which has been supplied with information regarding the size and arrangement of the type fields.
  • This information can e.g. can be stored on a data medium such as a floppy disk or a magnetic tape for a large number of different type designations at low cost, and the corresponding data can be quickly loaded into the computer in a known manner.
  • the embossing head is not a counter or the like, but rather a type wheel, on which the character to be embossed next can be set quickly and completely independently of the last embossed character.
  • a slide construction which, in a particularly uncomplicated manner, has small workpieces to be embossed under one which is immobile in the support plane Embossing head moves.
  • Such an arrangement in which the embossing head is stationary and the workpiece to be embossed can be displaced in a controlled manner, realizes the degrees of freedom according to the invention in the simplest and cheapest form for small parts.
  • the development of the invention according to claim 4 is advantageous with regard to a secure support of the workpiece at the embossing point.
  • the arrangement of the support bar instead of a roller also enables a particularly simple manufacture of the slide, since the support bar can simply be inserted into one of the equidistantly arranged shaft receptacles.
  • the development of the invention according to claim 5 is advantageous in terms of detecting a workpiece at as many closely adjacent locations as possible. On the one hand, this enables the processing of small, and on the other hand, the processing of relatively thin type plates.
  • a nameplate can be embossed in the immediate vicinity of its edge and at the same time is guided on the carriage with its long side. In this way, the risk of tilting in the carriage is eliminated.
  • the actual position of an incoming workpiece is automatically increased summarizes and used as a reference point for the movement in the corresponding coordinate direction. This means that you are independent of any irregularities in the function of the movement mechanism.
  • the embossing machine shown in the drawing has a base plate 10 which has pairs of stands 12, 14 pointing vertically upward. An axis 16 is held in the stands 12, while the stands 14 support a threaded spindle 18.
  • a slide 20 runs over bearing eyes 22 and 24, which are formed on the side rails 26 of the slide 20.
  • Trusses 28, 3 0 , 32 connect the longitudinal spars 26 to one another.
  • a gear 34 is arranged on the latter, which meshes with the drive output pinion 36 of a positioning device / 38, which is fastened on the base plate 10.
  • Shafts 40 for lower transport rollers 42 and shafts 44 for upper transport rollers 46 are mounted in the longitudinal spars 26.
  • the transport rollers 42 and 46 which are made of elastically resilient rubber material, are each arranged at a distance on a shaft, and the transport rollers belonging to adjacent shafts are each offset by half a pitch.
  • the transport rollers 42 and 46 which are made of elastically resilient rubber material, are each arranged at a distance on a shaft, and the transport rollers belonging to adjacent shafts are each offset by half a pitch.
  • the missing roller sets are replaced in the area of the type wheel 54 by elastic hold-down devices.
  • the type wheel 54 is mounted on a shaft 56 which runs in bearings 58, 60.
  • the bearing 58 is carried by an embossing head plate 62 which runs on guide rods 64 and threaded spindles 66 or other drive elements. The latter in turn are carried by the base plate 10.
  • the bearing 60 is seated in an end section of a bearing bracket 68 which runs parallel to and at a distance from the embossing head plate 62 and which is screwed onto the embossing head plate 62.
  • an angle encoder 70 is also attached, which cooperates with the type wheel shaft 56.
  • a pulley 72 sits on the type wheel shaft 56, over which a toothed belt 74 runs. This is driven via a second pulley 76 by an electric motor 78 which is arranged on the embossing head plate 62.
  • the type wheel 54 has a hub part 80 and a central wheel section 82, on which a plurality of spring arms 84 extending in the radial direction are formed.
  • the latter each carry a rectangular stamping plate 86 made of hard metal at the free end, which is each provided with an stamping contour assigned to a character.
  • the major axes of the embossing plates 86 are perpendicular to the longitudinal axis of the associated spring arm 84.
  • the types or embossing plates 86 face the transport rollers 42 and can thus be pressed by a plunger 88 acting on one or both sides against a type plate 90 which is gripped between the transport rollers 42 and 46.
  • the nameplate 90 is supported by a support bar 92, which lies below the path through which the plunger 88 passes when the slide 20 is moved.
  • the support bar 92 replaces a corresponding one of the transport rollers 42 and is fastened in the receiving openings of the longitudinal bars 26 assigned to it.
  • the plunger 88 is guided in a bushing 94 fastened on the embossing head plate 62 and has a head section 96, on which a helical spring 98 supported on the upper side of the bushing 94 engages.
  • the top of the head section 96 works together with an eccentric cam 100, which sits on a shaft 102, which is connected to the shaft of a continuously rotating electric motor 106, which belongs to the controllable drive.
  • the arrangement in which the eccentric cam 100 and thus the plunger 88 is driven continuously was chosen because the desired high switching speed is not achieved with clutch clutches.
  • a signal fork is provided on the corresponding positioning device, which carries out the positioning of the type wheel according to the position of the plunger. If there is no embossing, the type wheel is in the empty position (L). If, on the other hand, you want to emboss, the position of the embossing eccentric is queried via an encoder or an initiator: if the Pusher has gone up, positioning is done, and if it goes down, positioning is complete.
  • the embossing head plate 62 On the top of the embossing head plate 62 there is also the transmitter 108 of a light barrier, which cooperates with an aligned receiver 110 which is carried by the crossmember 30.
  • a spigot 112 is hooked into the crossmember 28, which is formed on a horizontal dispensing lip 114 of a magazine 116, which can hold a supply 118 of unprinted type plates.
  • the dispensing lip 114 is flush with the bottom wall 120 of the actual magnetic space, through which dispensing rollers 122 made of elastically flexible material extend slightly into the interior of the magazine.
  • the delivery rollers 122 are driven synchronously by a toothed belt 124 from a pulley 126. The latter sits on the shaft of a positioning drive 128, which is excited when a nameplate is to be released from the magazine 116.
  • the magazine 116 has an upwardly directed guide lip 130 at the end of its dispensing lip 114 which is at the bottom in FIG.
  • FIG. 1 also shows a positioning drive 132, by means of which the transport rollers 42 and 46 can be driven synchronously in both directions in order to move the type plate 90 located under the type wheel 54 to the left or right in FIG. 1.
  • this direction of movement corresponds to the line direction of the nameplate; the line feed, on the other hand, is provided by the positioning drive 38.
  • the positioning drive 132 is continuously in the direction 1 to the right, so that the finished type plate is placed on a slide 134 and from there into a receiving magazine (not shown).
  • FIG. 4 shows a computer 136 which serves to control the embossing machines described above with reference to FIGS. 1 to 3 and which cooperates with a disk memory 138 which contains the format information and embossing field information for the various types of nameplate to be processed.
  • the angle transmitter 70, the light barrier receiver 110 and a keypad 140 are connected to the computer 136, on which the type plate type to be processed can be specified.
  • the computer 136 controls the clutch 104, the column stepper motor 132 and the line feed stepper motor 38 and the electric motor 128 of the magazine 116 via power stages (not shown in more detail).
  • a screen 142 is used for outputting and requesting data.
  • the embossing machine can be changed over by simply changing the magazine 116 and entering a new type plate on the keypad 14o. Mechanical adjustment work is not necessary for this.
  • the threaded spindles 66 only have to be adjusted accordingly when converting to type plates with widely differing thicknesses. However, if such thickness differences occur frequently in practice, one can also assign a servo motor to the threaded spindles 66 and also take care of the adjustment in this third coordinate direction by the computer 136.
  • embossing frequencies of the order of 10 characters per second can be achieved with an embossing machine as described above, which represents a considerable advance over the previous embossing machines with embossing wheels.
  • FIG. 5 an alternative arrangement of a type wheel 54 of the invention is shown.
  • GelcheTmeile are with like reference numerals ver - see.
  • the type wheel 54 is mounted on a shaft 56 which is rotatably mounted in a support profile 200.
  • the type wheel 54 is in turn rotated via a belt drive, an electric motor 78 serving as the drive unit.
  • the electric motor 78 is fastened to the support profile 200 via an angle 202, so that its axis of rotation comes to lie parallel with the shaft of the type wheel 54.
  • a first pulley 72 can be seen, which is on the shaft 56 of the type wheel. is mounted, a second pulley 76 assigned to the electric motor 78 and a toothed belt 74 stretched in between.
  • the embossing pressure is exerted on the type wheel 54 by means of a plunger 88. This is acted upon by an eccentric shaft (not shown), the stroke of which is adjustable and which runs continuously.
  • the continuously running eccentric shaft specifies the stamping cycle and thus the stamping speed.
  • the type wheel 54 is a flat fan wheel which is equipped with embossing plates 86 on the circumference; the latter are stamped into the material by the eccentric shaft.
  • the type wheel 54 is angled; it is not a flat, but a pot-shaped shape.
  • the edge 204 of the type wheel 54 is correspondingly conically bent, so that it includes an obtuse angle ⁇ with a flat mounting section 206 of the type wheel 54.
  • the area near the edge of the edge 204 / is covered with the embossing plates 86, which in the embossing position come to lie parallel to the support plane of the workpiece and are acted upon by the ram 88 on their rear side.
  • the shaft 56 of the type wheel 54 is inclined by an angle (1800 - ⁇ ) with respect to the direction of movement of the plunger 88. It can be seen that an extremely space-saving arrangement of the type wheel 54 is achieved in this way, which enables the type type identification to be embossed in very inaccessible places.
  • An application example is the stamping of the chassis number of automobiles between the door sill and the passenger seat on the floor panel. There is only an approximately 10 cm wide space available, which could not be achieved with known embossing arrangements. 5 that the plunger 88 does not act directly on the embossing platelets 86 but via an interposed stamp 208.
  • the stamp 208 is positively guided in the support profile 200; it ensures an exact alignment of the actuating force acting on the die plates 86.
  • a direct drive can also be used, in which the type wheel 54 sits directly on the shaft of a positioning drive (not shown) which brings the fan wheel into the correct embossing position. Same, alternating or stepper motors are used as positioning drives.
  • the embossing unit with the type wheel 54 is arranged in a stationary manner.
  • the workpieces, especially small parts and type plates, are positioned under the embossing point in two mutually perpendicular axial directions. Two axis directions are required for the letter feed within a line and the line feed.
  • the roller transport described is used in particular for flat type plates, to which the exchangeable magazine, which is also explained in greater detail, is assigned for the automatic insertion of the type plates.
  • the embossing eccentric is also installed in a stationary position, and the embossing force is transferred directly to the embossing plates.
  • the embossing unit with two further, mutually perpendicular axes of movement. These two axes of movement are driven by identical, alternating or stepper motors and move the embossing unit with the respective letter or line spacing over the part to be embossed.
  • the embossing eccentric can be driven along.
  • an arrangement with a stationary ver is used permanent embossing eccentric preferred.
  • the embossing force is transferred indirectly to the embossing plate via an intermediate plate.
  • the portal 212 has in particular two base blocks 216 which are held on guide rods 218 and are moved by pulling spindles 220; a drive for the tension spindles 220 is shown at 222.
  • the base blocks perform a spindle-driven movement in the support plane of the workpiece 214, the direction of movement being designated by x.
  • Carriers 224 stand on the base blocks 216 and carry a frame 226 spanning the workpiece 214.
  • the frame 226 has a rectangular shape and is assembled from U-profiles and flat parts. It serves as a holder for further guide rods 228 and a spindle 230, on which a holding block 232 is suspended in an adjustable manner.
  • the holding block 232 is moved parallel to the support plane of the workpiece 214 and transversely to the direction of travel of the basic blocks 216; the corresponding direction is designated y in the figure.
  • the holding block 232 carries the embossing head 210, which is held on the holding block 232 in the vertical direction z perpendicular to the degrees of freedom x and y.
  • the position of the embossing head 210 can be adapted to different workpiece thicknesses.
  • a degree of freedom of rotation of the embossing head 210 about the z-axis is provided in the exemplary embodiment shown, as indicated by arrow 234.
  • By rotating the embossing head 210 it is possible to change the orientation of the ge embossed letters on workpiece 214 to vary. Texts embossed with different orientations are indicated at 236.
  • the entire embossing head is first moved into a corresponding labeling position.
  • the entire embossing head is lifted in front of the workpiece and only lowered towards the workpiece for embossing itself.
  • the embossing feed in the row and column direction during the embossing takes place via the two translational degrees of freedom of the embossing head, without a portal movement taking place. Because of the small mass to be moved, quick stamping is possible; Movements of the entire portal, on the other hand, are only required for moving to the labeling positions.
  • the arrangement according to the invention according to FIG. 6 is used for large workpieces, in which a controlled movement of the entire embossing head 210 is more practical than a slide guide for small workpieces.
  • One application is in the aircraft industry, where each part must be given an embossed label before it can be machined on metal-cutting machines. Further applications also lie in the steel industry, in tube production or the like.
  • the use of a type wheel 54 according to the invention has the advantage that the embossing process takes place character by character and therefore much less embossing forces have to be exerted than when several are embossed at the same time Character.
  • the portal 212 which must support the entire embossing forces, can therefore be built relatively lightly and in a material-saving manner.
  • the workpiece 214 Due to the lower embossing forces that occur, the workpiece 214 is also deformed less, which has very great advantages in terms of application technology. With the type wheel 54 according to the invention, unprecedented embossing speeds are still achieved. Last but not least, the arrangement is according to The invention is also so interesting because it can be operated fully computer-controlled and is therefore suitable for a high degree of automation.
  • the invention consists in the use of a type wheel for embossing workpieces.
  • the types of the type wheel are pressed individually onto the surface to be embossed, which is usually made of metal, an embossing eccentric preferably providing the pressing force.
  • the embossing eccentric can also be replaced by a hydraulic or pneumatic piston-cylinder device.
  • type plates which are examples of smaller workpieces, they are moved in a type plate machine relative to an embossing head containing the type wheel, which remains in one and the same place when embossing successive characters.
  • the type plate or the like is used for the line and column feed during embossing. smaller piece of value moved.
  • stamping head moves back and forth over the workpiece as part of the required line and column feed.
  • the workpiece to be embossed remains stationary during the embossing, and the embossing head can be quickly advanced over the surface of the marking to be embossed.
  • a further movement mechanism is used, in particular in the form of a portal, which displaces the entire embossing head by distances which can considerably exceed the extent of the area captured during embossing.
  • This movement mechanism is out of operation for the duration of the actual embossing in rows and columns, the latter being carried out as previously indicated by the embossing head which can be moved for embossing successive characters.
  • a cranked type wheel can finally be used if the workpiece geometry requires it.

Landscapes

  • Printers Characterized By Their Purpose (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Press Drives And Press Lines (AREA)
  • Adornments (AREA)
  • Diaphragms And Bellows (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
EP83102864A 1982-04-08 1983-03-23 Machine pour l'estampage de matrices de caractères Expired EP0091579B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83102864T ATE44911T1 (de) 1982-04-08 1983-03-23 Maschine zum praegen von typenkennzeichnungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3213233 1982-04-08
DE3213233A DE3213233C2 (de) 1982-04-08 1982-04-08 Prägemaschine zum Einprägen von Zeichen in Werkstücke

Publications (3)

Publication Number Publication Date
EP0091579A2 true EP0091579A2 (fr) 1983-10-19
EP0091579A3 EP0091579A3 (en) 1986-03-19
EP0091579B1 EP0091579B1 (fr) 1989-07-26

Family

ID=6160615

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83102864A Expired EP0091579B1 (fr) 1982-04-08 1983-03-23 Machine pour l'estampage de matrices de caractères

Country Status (4)

Country Link
EP (1) EP0091579B1 (fr)
AT (1) ATE44911T1 (fr)
DE (2) DE3213233C2 (fr)
MX (1) MX158858A (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829174A1 (de) * 1988-08-28 1990-03-08 Wilfried Werner Typenrad-praegevorrichtung zum herstellen von oberflaechenpraegungen auf gegenstaenden, z. b. typenschildern
EP0313509A3 (fr) * 1987-01-05 1990-05-30 Gerhard Flemming & Hermann Pehrsson GmbH Press à gaufrer
DE102010018734B3 (de) * 2010-04-29 2011-07-28 Mühlbauer AG, 93426 Verfahren und Vorrichtung zum Bedrucken von Wert- oder Sicherheitsdokumenten
US9156638B2 (en) 2013-09-05 2015-10-13 Honda Motor Co., Ltd. Apparatus for marking and ordering plate blanks, and load and receiving magazines therefor
CN111001943A (zh) * 2019-12-23 2020-04-14 昆山阿普顿自动化系统有限公司 全自动上下料铭牌打标机
CN113071234A (zh) * 2021-04-15 2021-07-06 潘学云 一种化工生产包装用压印机构
CN113119641A (zh) * 2020-01-14 2021-07-16 天津英友鑫成科技有限公司 一种数控多功能自动变号压码设备
CN116494674A (zh) * 2023-05-04 2023-07-28 龙泉星辰瓷韵文化创意有限公司 一种龙泉青瓷杯盖镂空刻花加工设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE431218C (de) * 1924-10-02 1926-07-06 Rodange & Cie Fa Praegemaschine, deren die Matrizen und Patrizen tragende Scheiben gleichachsig und in parallelen Ebenen angeordnet sind
US3280954A (en) * 1965-02-08 1966-10-25 Dymo Industries Inc Desk model embosser having full cycle means
US3711359A (en) * 1970-05-11 1973-01-16 Ibm Magnetic card stripe printer
US3726380A (en) * 1971-03-25 1973-04-10 Dymo Industries Inc Card embossing apparatus
US3880270A (en) * 1973-04-04 1975-04-29 Dymo Industries Inc Machine for making debossed displays and blank therefor
FR2274451A1 (fr) * 1974-06-11 1976-01-09 New Kon Ind Co Ltd Machine electrique pour imprimer des caracteres en relief
SE439455B (sv) * 1978-03-21 1985-06-17 Pitney Bowes Gmbh Preglingsmaskin for framstellning av tryckplatar for adresseringsmaskiner, identitetsbrickor eller dylikt
DE7808617U1 (de) * 1978-03-21 1978-07-06 Pitney Bowes Deutschland Gmbh, 6148 Heppenheim Automatische platinenzufuehreinrichtung fuer praegemaschinen
US4262589A (en) * 1979-01-08 1981-04-21 Gebhardt Robert G Apparatus for embossing and printing information on charge sales slip
EP0085065A4 (fr) * 1981-08-05 1985-12-11 Wirt Byron Cates Dispositif pour la fabrication d'articles portant des elements d'identification.

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0313509A3 (fr) * 1987-01-05 1990-05-30 Gerhard Flemming & Hermann Pehrsson GmbH Press à gaufrer
DE3829174A1 (de) * 1988-08-28 1990-03-08 Wilfried Werner Typenrad-praegevorrichtung zum herstellen von oberflaechenpraegungen auf gegenstaenden, z. b. typenschildern
DE102010018734B3 (de) * 2010-04-29 2011-07-28 Mühlbauer AG, 93426 Verfahren und Vorrichtung zum Bedrucken von Wert- oder Sicherheitsdokumenten
WO2011134661A1 (fr) 2010-04-29 2011-11-03 Muehlbauer Ag Procédé et dispositif d'impression de documents de valeur ou de sécurité
US9156638B2 (en) 2013-09-05 2015-10-13 Honda Motor Co., Ltd. Apparatus for marking and ordering plate blanks, and load and receiving magazines therefor
CN111001943A (zh) * 2019-12-23 2020-04-14 昆山阿普顿自动化系统有限公司 全自动上下料铭牌打标机
CN113119641A (zh) * 2020-01-14 2021-07-16 天津英友鑫成科技有限公司 一种数控多功能自动变号压码设备
CN113071234A (zh) * 2021-04-15 2021-07-06 潘学云 一种化工生产包装用压印机构
CN116494674A (zh) * 2023-05-04 2023-07-28 龙泉星辰瓷韵文化创意有限公司 一种龙泉青瓷杯盖镂空刻花加工设备

Also Published As

Publication number Publication date
DE3380252D1 (en) 1989-08-31
DE3213233A1 (de) 1983-11-03
EP0091579A3 (en) 1986-03-19
DE3213233C2 (de) 1986-02-06
MX158858A (es) 1989-03-20
EP0091579B1 (fr) 1989-07-26
ATE44911T1 (de) 1989-08-15

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