EP0687577A1 - Impact engraving machine - Google Patents
Impact engraving machine Download PDFInfo
- Publication number
- EP0687577A1 EP0687577A1 EP94500189A EP94500189A EP0687577A1 EP 0687577 A1 EP0687577 A1 EP 0687577A1 EP 94500189 A EP94500189 A EP 94500189A EP 94500189 A EP94500189 A EP 94500189A EP 0687577 A1 EP0687577 A1 EP 0687577A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bar
- bridge
- guide
- belt
- axis
- 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
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Classifications
-
- 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
- B44B5/0004—Machines or apparatus for embossing decorations or marks, e.g. embossing coins characterised by the movement of the embossing tool(s), or the movement of the work, during the embossing operation
- B44B5/0019—Rectilinearly moving embossing tools
Landscapes
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Road Signs Or Road Markings (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Recording Measured Values (AREA)
- Graft Or Block Polymers (AREA)
- Developing Agents For Electrophotography (AREA)
- Ink Jet (AREA)
- Confectionery (AREA)
- Casting Devices For Molds (AREA)
Abstract
Description
- This invention is related to an impact engraving machine which includes a pneumatic or solenoid engraving device equipped with a striker point capable of impacting on the engraving surface and producing on the surface a pointed deformation on each impact.
- The machines of the type indicated are utilized to engrave signs and/or characters of different type on surfaces of pieces of metal, of plastic material, etc., the whole set of signs and characters engraved comprising a key or identification reference or a supplier of determined information.
- Thus, for example, in the automobile industry nearly all of the parts utilized carry engraved reference numbers. It is necessary that the frame and motor of the vehicles carry an identifying number imprinted on them.
- In order to carry out this engraving, it is necessary that the striker point, besides its axial placement originating from the engraving device, can be displaced according to two axes perpendicular to each other, parallel to the surface to be engraved. In order to meet these requirements machines are known which have two sides which displace each other in perpendicular directions, activated by the corresponding motors. Machines of this type have the drawback that they occupy a relatively large volume, due to the existence of the two movable slides.
- For the purpose of reducing the volume of the machine, machines are known in which the engraving device is mounted on a support which can be moved in controlled manner along an axis parallel to the surface to be engraved and also can turn in both directions a certain angle, also in a controlled fashion, around said axis. This type of machine is usable when the surface to be engraved does not require an excessive turn of the striking point, in such a way that its incidence on the surface to be engraved is practically normal in all cases.
- Machines of this type are described, for example, in German patent No. 24 23 424 and in European patent No. 371,896.
- In German patent No. 24 23 424, the axis over which the support of the striking device is mounted is comprised of an endless screw which crosses a threaded bore hole of the support. This endless screw will cause the linear displacement of the support toward one side or the other. Also, on the lead screw there is mounted a U shaped stirrup, the central branch of which is related to the support and with the activating motor through the gear systems. The tipping of the stirrup causes the turning one way or the other of the support, around the lead screw.
- This configuration involves a considerable complication of the activating mechanisms, due partly to the arrangement of the two activating motors on the chassis of the machine. However, the turn of the support around the endless screw provokes a certain linear displacement thereof, even though of minimal magnitude, which acts to the detriment of precision in the engraving operation.
- In the European patent No. 371,896, the axis on which the support of the engraving device is mounted consists of a bar of circular section, along which the support can be moved and on which it can turn a certain angle in both directions. As in the previous case, when the two activating motors located on the chassis of the machine operate, transmission mechanisms are required from the two motors for the linear displacement and for the turn of the support, complicating the construction and function of the whole.
- In the two cases commented upon, the support of the engraving device is revolving with respect to the lead screw or bar along which the linear displacement of the device takes place.
- This invention has the purpose of a machine of the type stated, in which the support of the engraving device can rotate and be linearly displaced in controlled fashion on an axis, both with some systems of activation which enable simplifying the transmission mechanism and achieving a high precision in the engraving operation. Also in a machine in accordance with the invention, the support of the engraving device is not revolving with respect to the part which makes up the axis along which the linear displacement of the support will take place.
- According to this invention, the axis along which the support of the pneumatic device can be moved is comprised of a guide-bar of polygonal section, which can turn freely on its axis. This guide-bar carries a mounted slide which can move freely along it, and a fixed bridge which runs between the ends of the bar. The bridge in turn has mounted on its outside a longitudinal transmission mechanism, comprised of a belt which runs along the bridge, in parallel direction to the guide-bar, and an activating end motor. The carrier support of the engraving device is set on the slide, directed in a contrary direction to the one occupied by the bridge, and it is related to the section of the belt nearest the guide-bar.
- The system formed by the guide-bar and bridge is related to a tipping mechanism mounted on the frame of the machine. This tipping mechanism is comprised of an arm which is set perpendicularly by one of the ends to the system formed by the guide-bar and the bridge, while on the opposite end it is capped in a toothed sector, with an axis of turn coinciding with that of the guide-bar, which meshes with a pinion activated by the motor. The pinion and motor are mounted on the machine's frame. The support of the engraving device has an arm which overhangs the one occupied by the striking point in the opposite direction, behind the bridge. This arm is crossed perpendicularly with the section of the belt nearest the guide-bar and it has, on the front surface, a transverse slot which can be coupled on the said section of belt, without possibility of slipping relative to each other.
- For a full understanding of the nature and objectives of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings in which:
- Fig. 1 is a front elevation of an impact engraving machine in accordance with the invention.
- Fig. 2 is a left side elevation of the machine in Fig. 1.
- Fig. 3 is a top view of the machine represented in Fig. 1.
- Fig. 4 is a rear elevation of the system formed by the guide-bar and bridge, including the support of the engraving device and the linear displacement mechanism of the same.
- Fig. 5 is a side elevation of the guide-bar and bridge assembly, according to direction A of Fig. 4.
- Fig. 6 shows in perspective the guide-bar with the movable slide mounted on it.
- Fig. 7 is a partial section according to the section line VII-VII of Fig. 1.
- Referring now to the figures wherein like elements are designated by like reference numerals, and as can be observed in Figs. 1 to 3, the machine according to the invention includes a frame or
structure 1 which is capped below onlugs 2 of angular support, which enables locating the machine both on flat surfaces and on curved surfaces, for their engraving. - The machine includes an engraving device 3 which is equipped with a striking point 4, which impacts on the surface to be engraved in order to produce point deformities on it with each impact. The device 3 is mounted on a support 5 which can be moved in controlled manner along an
axis 6, parallel to the surface to be engraved, and it can also turn in both directions a certain angle, also in controlled manner, around theaxis 6. - In the machine according to the invention, the
axis 6 is embodied in a guide-bar 7, Fig. 6, of polygonal section, which can adopt for example a section approximately rectangular, having angularlongitudinal channels 8 coming from two of its opposing faces. In this guide-bar, aslide 9 is mounted which partially covers the bar between thechannels 8. Theslide 9 is the bearer of race elements which will facilitate their sliding along thebar 7. - The guide-
bar 7 also has mounted between its ends afixed bridge 10, Figs. 1, 4 and 5. As observed in Fig. 1, the system formed by the guide-bar 7 and thebridge 10 is mounted with the possibility of free turning between the laterals of the frame orchassis 1 of the machine, by means ofbearings 11. - As can be observed in Figs. 4 and 5, the
bridge 10 has fastened on the outside two end supports 12 and 13, which are carriers ofpulleys 14 between which abelt 15 runs. On the axis of the pulley 14 apulley 16 of greater diameter is mounted which is related by means of a transmission belt to thepulley 17 of smaller diameter which is solidary with theaxis 18 of an activatingmotor 19. - The support 5 of the engraving device 3 has an
arm 20, Figs. 4 and 5, which overhangs in the direction opposite to that occupied by the striking point 4, Fig. 1, behind thebridge 10 and comes to cross perpendicularly the stretch of thebelt 15 nearest to the guide-bar 7. This arm has, coming from its front surface, atransverse slot 21, Fig. 4, in which this lower section of the belt is introduced as adjusted, without possibility of their slipping from each other. Preferably thebelt 15 will have an internal surface transversely ribbed and theslot 21 will be limited, at least on one of its surfaces, by agearing 22 capable of being coupled between the ribbing of thebelt 15, in order to assure mutual anchorage. - With this construction, the displacement of the
belt 15 is caused by means of themotor 19, which will drag thearm 10 along the guide-bar 7, varying the direction of turn of the motor the change of direction of displacement of the support 5 is achieved and, thereby, the direction of displacement of the engraving device 3. - The
motor 19 utilized for causing the displacement of theslide 7 and thereby the engraving device 3, is mounted on thebridge 10 set at the ends of the guide-bar 7. - As is observed in Fig. 1, the system formed by the guide-
bar 7 and thebridge 10 is related to the tipping mechanism which is comprised of anarm 23 which is fastened perpendicularly at one of its ends to the said system, as a continuation of thebridge 10. The opposite end thisarm 23 is capped in atoothed sector 24, Fig. 7, on an axis coinciding with the axis ofturn 6 of the guide-bar 7. Thetoothed sector 24 engages with apinion 25 with which apulley 26 of greater diameter is solidary, which is related to asmaller pulley 27, solidary with the axis of an activatingmotor 28 which is mounted on thechassis 1 of the machine. - Activation of the
motor 28, Fig. 7, will cause the rotation of thepinion 25 in the desired direction and magnitude. When this pinion engages with therack 24 it will cause the tipping of thearm 23 and thereby the turn of the system formed by theguide bar 7 andbridge 10. This turn will translate into an angular displacement of the engraving device 3 and striking point 4, this angular displacement being of sufficient breadth so that the striking point 4 reaches the limits of the surface to be engraved without producing alterations in the characteristics of quality of the print produced by each impact. - In the machine described above, the linear displacement of the support 5 and therefore of the engraving device 3 is achieved by means of a
transmission mechanism 15 and an activatingmotor 19 which are mounted on thebridge 10 solidary with the guide-bar 7, while themotor 28 and transmission mechanism which causes the tipping of the engraving device 3 is mounted on thechassis 1 of the machine. In this way one achieves the simplification of the transmission mechanism and obtains a maximum exactitude and safety both in the linear displacement movement and in its tipping movement. - The system of fastening of the support 5 to the
transmission belt 15 is simple and of great safety. Themotor 28, in turn, which will produce the tipping of the engraving device 3 is mounted on the structure of the machine and the transmission mechanism between said motor and the guide-bar 7 is comprised of a system of gears which makes it possible to achieve the maximum precision in the angle of tipping of the striking point 4. - As is observed in Figs. 1 to 3, the machine can be equipped with
upper handles 30 which facilitate its manipulation in the portable version. - The system permits marking on two planes located up to 90° apart, only by increasing the arc of turn by means of the
parts 24, Fig. 7. - Although a certain presently preferred embodiment of the present invention has been specifically described herein, it will be apparent to those skilled in the art to which the invention pertains that variations and modifications of the embodiment shown and described herein may be made without departing from the spirit and scope of the invention. Accordingly, it is intended that the invention be limited only to the extent required by the appended claims and the applicable rules of law.
Claims (5)
- An impact engraving machine comprising a pneumatic or solenoid engraving device (3) equipped with a striking point (4) capable of impacting on the surface to be engraved and producing on it a point deformity on each impact, which device (3) is mounted on a support (5) which can be moved in controlled manner along an axis (6) parallel to the surface to be engraved, and may turn in both directions a certain angle, also in controlled manner, around said axis, wherein said axis (6) is embodied in a guide-bar (7) of polygonal section, freely moved along said guide-bar, and a fixed bridge (10) which runs between the ends of the bar; said bridge bearing mounted on the outside a longitudinal transmission mechanism comprised of a belt (15) which runs along the bridge, and an activating end motor (19), while the support (5) bearing the engraving device (3) is fastened to the said slide (9), directed in opposite direction to that occupied by the bridge (10) and it is related with the section of the belt nearest to the guide-bar (7) and because the assembly formed by the guided bar (7) and bridge (10) is related to a tipping mechanism mounted on the frame which supports the said assembly.
- A machine according to Claim 1, wherein the tipping mechanism is comprised of an arm (23) which is set perpendicularly at one of its ends to the assembly formed by the guide-bar (7) and the bridge (10), while on the opposite one it is capped to a toothed sector (24) with turning axis coinciding with that of the guide-bar (7) which engages with a pinion (25) activated by a motor (28) the pinion (26) and motor (28) being mounted on the frame (1) of the machine.
- A machine according to Claim 1 wherein the guide-bar (7) is of an approximately rectangular section and shows on two of its opposed faces longitudinal angular channels (8), partially covering the slide (9) and the said bar between the channels (8) mentioned, with interposition of bearing elements which facilitate the sliding of the slide (9).
- A machine according to Claim 1 wherein the bridge (10) has fastened off the outside two end supports (12, 13) which are carriers of pulleys (14) between which the belt (15) runs the longitudinal transmission mechanism, one of these fixed pulleys carrying a second coaxial pulley (16) of greater diameter which remains related by means of the transmission belt with a pullys (17) of smaller diameter set on the axis of exit of the activating motor (19), which motor is mounted on one of the external supports (13).
- A machine according to Claim 1 wherein the support (5) of the engraving device (3) has an arm (20) which overhangs in the opposite direction that occupied by the striking point (4) behind the bridge (10), which arm perpendicularly crosses with the section of the belt (15) nearest to the guide-bar (7) and has, coming from the front surface, a transverse slot (21) which can be coupled as adjusted on the said section of the belt, without possibility of slipping from each other.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI9430171T SI0687577T1 (en) | 1994-06-16 | 1994-11-21 | Impact engraving machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES09401318A ES2110882B1 (en) | 1994-06-16 | 1994-06-16 | RECORDING MACHINE BY IMPACT. |
ES9401318 | 1994-06-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0687577A1 true EP0687577A1 (en) | 1995-12-20 |
EP0687577B1 EP0687577B1 (en) | 1998-07-01 |
Family
ID=8286615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94500189A Expired - Lifetime EP0687577B1 (en) | 1994-06-16 | 1994-11-21 | Impact engraving machine |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0687577B1 (en) |
AT (1) | ATE167833T1 (en) |
BR (1) | BR9404108A (en) |
CA (1) | CA2136393A1 (en) |
DE (1) | DE69411370T2 (en) |
DK (1) | DK0687577T3 (en) |
ES (1) | ES2110882B1 (en) |
SI (1) | SI0687577T1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0841195A1 (en) * | 1996-11-07 | 1998-05-13 | Pio Echeverria Lizarazu | Machine for engraving by impact or scratching |
EP1048486A1 (en) * | 1999-04-30 | 2000-11-02 | TECHNIFOR Société Anonyme | Marking device |
FR2801238A1 (en) * | 1999-11-24 | 2001-05-25 | Technomark | Marking machine for surfaces has marking head attached to modular motor drive and detachable handle |
US7021847B2 (en) | 2001-01-09 | 2006-04-04 | Edward Pryor & Son Limited | Marking device |
ITMI20091253A1 (en) * | 2009-07-14 | 2011-01-15 | Ficep Spa | DEVICE FOR SURFACE MARKING |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2125137B1 (en) * | 1995-06-19 | 1999-12-01 | Tuceca S L | ENGRAVING-DISPENSING MACHINE OF MEDALS WITH MINTED ALLEGORICAL REASONS. |
ES2409067B1 (en) * | 2013-05-28 | 2014-04-22 | Pío ECHEVERRIA LIZARAZU | Recorder machine |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2262180A (en) * | 1940-02-17 | 1941-11-11 | Cunningham Co M E | Die holder |
US3339279A (en) * | 1964-07-17 | 1967-09-05 | Robert H Sovar | Hollow engraving point and holder for engraving coated transparent sheets |
FR2256833A1 (en) * | 1974-01-08 | 1975-08-01 | Tesalon Anstalt | Sheet metal numbering stamp - has electrodynamic actuator for punches and actuator slider with pivotal motion actuator transverse to slide motion |
DE2423424A1 (en) * | 1974-05-14 | 1975-11-20 | Joachim Ing Grad Sopora | PROCEDURE AND EQUIPMENT FOR THE AUTOMATIC IMPLEMENTATION OF LABELS IN COMPONENTS |
US4089262A (en) * | 1974-05-14 | 1978-05-16 | Joachim Sopora | Apparatus for printing data on structural components |
FR2459086A1 (en) * | 1979-06-18 | 1981-01-09 | Clesid Sa | Marking of hot steel prods with alpha-numeric symbols - by reciprocating punch mounted on trolley driven in two coordinate directions by computer |
EP0371896A1 (en) * | 1988-12-01 | 1990-06-06 | TECHNIFOR Société Anonyme | Device for marking by micro-percussion |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4591279A (en) * | 1984-08-17 | 1986-05-27 | M. E. Cunningham Company | Marking machine for forming variable sized characters |
FR2677911A1 (en) * | 1991-06-21 | 1992-12-24 | Therond Marcel | MICRO-PERCUSSION MARKING DEVICE FOR THE TRACE OF IDENTIFICATION SIGNS ON POLLUTED ATMOSPHERE OBJECTS AND METHOD USING THE SAME |
-
1994
- 1994-06-16 ES ES09401318A patent/ES2110882B1/en not_active Expired - Fee Related
- 1994-10-14 BR BR9404108A patent/BR9404108A/en not_active IP Right Cessation
- 1994-11-21 EP EP94500189A patent/EP0687577B1/en not_active Expired - Lifetime
- 1994-11-21 AT AT94500189T patent/ATE167833T1/en active
- 1994-11-21 DE DE69411370T patent/DE69411370T2/en not_active Expired - Lifetime
- 1994-11-21 SI SI9430171T patent/SI0687577T1/en unknown
- 1994-11-21 DK DK94500189T patent/DK0687577T3/en active
- 1994-11-22 CA CA002136393A patent/CA2136393A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2262180A (en) * | 1940-02-17 | 1941-11-11 | Cunningham Co M E | Die holder |
US3339279A (en) * | 1964-07-17 | 1967-09-05 | Robert H Sovar | Hollow engraving point and holder for engraving coated transparent sheets |
FR2256833A1 (en) * | 1974-01-08 | 1975-08-01 | Tesalon Anstalt | Sheet metal numbering stamp - has electrodynamic actuator for punches and actuator slider with pivotal motion actuator transverse to slide motion |
DE2423424A1 (en) * | 1974-05-14 | 1975-11-20 | Joachim Ing Grad Sopora | PROCEDURE AND EQUIPMENT FOR THE AUTOMATIC IMPLEMENTATION OF LABELS IN COMPONENTS |
US4089262A (en) * | 1974-05-14 | 1978-05-16 | Joachim Sopora | Apparatus for printing data on structural components |
FR2459086A1 (en) * | 1979-06-18 | 1981-01-09 | Clesid Sa | Marking of hot steel prods with alpha-numeric symbols - by reciprocating punch mounted on trolley driven in two coordinate directions by computer |
EP0371896A1 (en) * | 1988-12-01 | 1990-06-06 | TECHNIFOR Société Anonyme | Device for marking by micro-percussion |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0841195A1 (en) * | 1996-11-07 | 1998-05-13 | Pio Echeverria Lizarazu | Machine for engraving by impact or scratching |
EP1048486A1 (en) * | 1999-04-30 | 2000-11-02 | TECHNIFOR Société Anonyme | Marking device |
FR2792876A1 (en) * | 1999-04-30 | 2000-11-03 | Technifor | MARKING MACHINE |
FR2801238A1 (en) * | 1999-11-24 | 2001-05-25 | Technomark | Marking machine for surfaces has marking head attached to modular motor drive and detachable handle |
US7021847B2 (en) | 2001-01-09 | 2006-04-04 | Edward Pryor & Son Limited | Marking device |
ITMI20091253A1 (en) * | 2009-07-14 | 2011-01-15 | Ficep Spa | DEVICE FOR SURFACE MARKING |
Also Published As
Publication number | Publication date |
---|---|
ES2110882A1 (en) | 1998-02-16 |
DE69411370T2 (en) | 1999-03-11 |
ES2110882B1 (en) | 1998-08-01 |
SI0687577T1 (en) | 1998-10-31 |
EP0687577B1 (en) | 1998-07-01 |
ATE167833T1 (en) | 1998-07-15 |
CA2136393A1 (en) | 1995-12-17 |
DE69411370D1 (en) | 1998-08-06 |
DK0687577T3 (en) | 1999-04-12 |
BR9404108A (en) | 1996-01-30 |
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