EP1474255A2 - Procede de marquage d'elements lineaires du type fers a beton, dispositifs permettant de le mettre en oeuvre et produit logiciel en assurant la gestion - Google Patents
Procede de marquage d'elements lineaires du type fers a beton, dispositifs permettant de le mettre en oeuvre et produit logiciel en assurant la gestionInfo
- Publication number
- EP1474255A2 EP1474255A2 EP03718876A EP03718876A EP1474255A2 EP 1474255 A2 EP1474255 A2 EP 1474255A2 EP 03718876 A EP03718876 A EP 03718876A EP 03718876 A EP03718876 A EP 03718876A EP 1474255 A2 EP1474255 A2 EP 1474255A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- marking
- concrete
- iron
- head
- motion
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
- B21C51/005—Marking devices
Definitions
- the present invention relates to the field of linear elements such as concrete bars and in particular to adaptations making it possible to produce reinforcements made of concrete bars under the best conditions. DESCRIPTION OF THE PRIOR ART
- the frames are conventionally made up of struts, uprights or long elements and frames, folded elements, which will give the volume of the frame.
- the basic material is concrete iron stored in a coil or in precut bars.
- Ropes and frames are conventionally made by means of automatic machines such as framing, straightening, shaping, etc. capable of processing large quantities of parts per hour.
- the strings and the frames are then marked precisely where the frames or other reinforcements are to be fixed (stirrups or pins ...) then the said elements are then assembled and welded or linked by any mechanical link.
- the marking operation is carried out on the lines or frames after all the shaping operations have been carried out.
- the marking operation is currently carried out manually by specialized operators who, by means of a measuring tape and a marker or a chalk, mark position marks on the line or on the frame to be assembled. depending on the plan of the reinforcement to be produced.
- a device described in French document No. 2,639,390 proposes a light rule capable, depending on a program, of displaying light points at the places to be marked, which allows the specialist operator to mark the concrete iron placed in front the light means.
- This device avoids the use of a tape measure but does not avoid the additional cost of labor and does not allow to obtain a high accuracy.
- Another device described in French document No. 2,665,852 proposes marking with a movable marking head the concrete irons from a machine specially designed for this purpose.
- the marking head moves along the concrete reinforcing bar and makes the marks necessary for locating the places of connection with the other constituent elements of the reinforcement to be constructed.
- This device has the advantage of avoiding any intervention by the workforce in the marking operation, which avoids the above-mentioned additional costs. In particular, it avoids cumulative errors due to the calculation of the marking position relative to the previous mark, as is the case during a manual operation, by calculating said positions from the start of the bar.
- this device has the disadvantage of requiring specific movement means for the marking head, thus making the marking operation dependent on the speed of said movement means. Consequently, the use of a marking head having means for setting independent movement makes it impossible to reach the production capacity of the above-mentioned automatic machines.
- this device provides an ink jet marking head which cannot be an effective solution for the intended application.
- concrete irons come in coils and bars offering an irregular surface often affected by rust and preformed with notches capable of facilitating their function as a concrete reinforcement.
- an ink jet on such a surface can only be difficult to read if it is particularly precise or on the contrary particularly imprecise if it has a width that makes it easier to locate.
- an ink jet marking head induces continuous suspension of the pigments, which requires particularly complex, fragile and expensive ink supply means.
- this marking operation is envisaged without changing the conventional ranges for manufacturing concrete reinforcements.
- this automatic marking operation is carried out for the elements not formed at the end of manufacture just before assembly.
- German document No. 821,932 proposes marking rolled products by deformation of the material, namely by making streaks or scratches on the product itself. It is particularly difficult with this method to legibly constitute families of products or codes allowing them to be arranged in accordance with their future use. In addition, unless marking with letters and numbers (marking particularly complex and difficult to read), the number of legible combinations offered by codes composed of streaks or stripes is not particularly important. DESCRIPTION OF THE INVENTION
- this method of marking linear elements of the concrete reinforcement type is remarkable in that it consists in marking said concrete irons by controlling the movement and at least one projection of at least one movable marking head. in cooperation with the movement of said concrete reinforcing iron.
- This characteristic is particularly advantageous in that it includes an automatic marking operation which is not dependent on any labor.
- the invention proposes to set in motion the concrete iron to be marked.
- the prior art was content to mark from a movable marking head, a fixed concrete iron which constituted a waste of time
- the invention proposes to simultaneously set in motion the element to be marked allowing thus saving time in the marking operation and getting closer to the production rates of automatic shaping machines.
- the marking phase will be carried out in hidden time since it is integrated into the shaping movement which constitutes a consequent saving of time in the total manufacturing time of the reinforcement or other assemblies formed by concrete irons.
- Another benefit upon setting in motion of the element to be marked lies in the greater ease of setting in motion of the element in comparison with a marking head.
- this solution requires less surface area since the marking operation can be carried out between an upstream storage area and a downstream storage area.
- the setting in motion of the iron brings a characteristic and new advantages in the field of marking of concrete irons. Indeed, this setting in motion can be carried out in good conditions only when the iron is completely linear. Also, the marking operation of the invention is carried out before any shaping operation of the iron capable of preventing it from moving. It is therefore no longer necessary to provide a specific workshop surface at the end of shaping the irons for the production of the markings.
- this method makes it possible, but more precisely because of the setting in motion of the element to be marked, to calculate the marking positions from the start of the concrete reinforcing iron, thus avoiding precision errors in measurement.
- the method of the invention manages the setting in motion of the marking head.
- This setting in motion of the marking head differs from the setting in motion of the marking head of the prior art in that that its main function is to decrease the relative speed of the element to be marked relative to the marking head. Indeed, too high a relative speed would have the consequence of spreading the projection produced on the concrete reinforcing iron in such a way that the mark produced could not be used.
- the movement of the head of marking of the invention makes it possible to follow the mobile place to be marked, the reduction in the relative speed difference allowing better marking both in readability and in precision.
- the setting in motion of the marking head is only punctual and is only triggered when passing from the place to be marked in front of the marking head.
- the main characteristic of the invention is not constituted by a simple association of the devices existing in the prior art in that the kinematics are used in a different way and with different results.
- Another object of the invention consists of the device making it possible to implement the aforementioned method.
- Another object of the invention is constituted by the software product ensuring the management of the operations proposed by the method of the invention.
- the fundamental concepts of the invention which have just been set out above in their most basic form elementary, other details and characteristics will emerge more clearly on reading the description which follows and with reference to the appended drawings, giving by way of nonlimiting example, several embodiments of a device according to the invention.
- Figure 1 is a schematic view of an embodiment of a device for implementing the method of the invention
- Figure 2 is a schematic view of another embodiment of a device for implementing implementing the method of the invention
- FIGS. 3a, 3b and 3c are perspective views of the ends of concrete irons subjected to three different embodiments of the process of the invention.
- Figure 5 is a schematic view of an embodiment of a device for implementing the simplified method of the invention.
- Figure 6 is a hydraulic diagram of the control and supply of an embodiment of a marking head according to the invention. DESCRIPTION OF THE PREFERRED EMBODIMENTS
- the device for marking concrete irons F is in the form of a special machine referenced M as a whole and is constituted by a means of setting in motion 100 of said iron concrete F and a marking head 200 movable along the axis of movement of said iron F.
- the management of the operation of marking and setting in motion simultaneously iron F or head 200 is - o -
- the concrete reinforcing iron F is set in motion by the setting in motion means 100 according to arrow A and undergoes a marking operation by means of the marking head 200, which can be set in motion according to the double arrow B .
- This device makes it possible to implement the method of the invention consisting in marking said concrete bars by controlling the movement and at least one projection of at least one movable marking head in cooperation with the movement of said concrete bar.
- This machine M therefore constitutes a machine specially created for marking concrete bars.
- the device adapts to a shaping machine referenced Ma which conventionally comprises a means of setting in motion 100 of the concrete reinforcement (s) F and a means of shaping said iron 400 F.
- the device consists of at least one marking head 200 and a kinematics necessary for setting it in motion which are placed, on the frame of said machine, between the setting means 100 and the shaping means 400 of the shaping machine Ma itself so as to carry out the marking before folding and cutting, operations carried out by this type of machine.
- the software product operating in the automaton or the computer 300 and managing the functions of the machine Ma integrates additional program lines so that it can manage the new marking function. This new function can also be the subject of a stand-alone program.
- This device for implementing the marking method of the invention is particularly advantageous in that it allows the marking operation to be carried out in masked time, thereby saving time in the manufacturing range.
- This realization in masked time is made possible by the fact that the method of the invention exploits, unlike the prior art, the setting in motion of the linear element to be marked.
- the shaping machine which is used as a means of setting in motion the concrete reinforcing iron for the marking operation allowing not only an operation in masked time but also avoiding the use of a new means of setting in motion.
- the embodiments described above propose to implement a method incorporating a movable marking head, they can also ensure the implementation of a simplified aspect of the method of the invention applicable in certain cases, namely a method consisting in marking said concrete bars F by controlling at least one projection of at least one fixed marking head in cooperation with the movement of said concrete bar as illustrated in FIG. 5.
- the device here constituted by a machine referenced Ms allowing this method to be implemented differs from the devices described above in that it consists of a fixed marking head 200 and a means of setting in motion the concrete reinforcing iron 100, the speed of movement and the projection is of course managed by a specific or classic software product and modified to incorporate new simplified functionalities.
- the Ms machine is equipped with four marking heads 200.
- one phase of the process consists in measuring the diameter of the concrete reinforcing iron set in motion.
- the method consists in projecting a different marking according to the diameter measured.
- the applicant has advantageously imagined several marking possibilities and in particular to make the type of marking dependent on the diameter of the element introduced into the machine. or more generally of the envisaged manufacture.
- the applicant provides in certain cases for an operation of measuring the diameter before or during the setting in motion but in all cases before the marking operation. This measurement phase is carried out according to a preferred embodiment, automatically.
- the marking process consists in carrying out a marking of a different color according to the envisaged manufacture in order to help the identification of the marked concrete reinforcing iron.
- This different marking as a function of the envisaged production goes beyond the simple marking of the position markers and ensures a real role of identification.
- This identification can make it possible to recognize by the color or the type of the marking the origin, the function, the allocation and / or the destination of the marked element.
- the marking method of the invention unlike the methods of the prior art , not only marks position markers for assembly but also proposes to mark sufficiently distinctive signs in the field of application of the invention on concrete irons in order to help their identification.
- Figures 3a, 3b and 3c illustrate different possibilities offered by respecting particularly fast rates, the method of the invention.
- the ends 500 of the concrete irons F comprise an area covered with a support layer 510.
- This support layer provides a background for better readability of the sign serving as a benchmark produced in a second step by the marking head.
- the intermediate layer 510 serves as a support for a single line 511 serving as a positioning marker for the assembly of the other elements of the frame.
- the embodiment illustrated in FIG. 3b proposes an intermediate layer 510 serving as a support for an alphanumeric reference 511 constituting the marking reference.
- the embodiment illustrated in FIG. 3c proposes an intermediate layer 510 serving as a support on behalf of the company 511.
- the marking process is remarkable in that it consists in producing a support layer of different color depending on the detected diameter or the envisaged manufacture.
- the method is remarkable in that it consists in making the distinctive layer appear on the support layer other than a marking marker.
- the method also consists in making a distinctive sign other than a positioning or marking mark appear directly on the concrete iron.
- the applicant opens a wide field of possibilities in the marking of linear materials such as concrete irons.
- This improvement in marking in fact avoids the use of labels and greatly improves the manufacture of frames by giving signs capable of facilitating the recognition of the constituent elements of a frame or the traceability of such an element.
- the marking in several phases optimizes the identification function of the marking of the invention by giving the possibility of producing particularly complex distinctive signs. These signs can form codes capable of differentiating the reinforcements, differentiating the lots, identifying the markets, identifying the site, etc.
- the marking head is supplied with paint, that is to say by one or more paints depending on the manufacture and the identification marks envisaged.
- paint that is to say by one or more paints depending on the manufacture and the identification marks envisaged.
- each marking head 200 is associated with a single reservoir 210 of paint in order to avoid mixing of color in the pipes and at the level of the head.
- all the marking heads are associated with a solvent tank 220.
- the distributors are judiciously arranged on the hydraulic circuit so as to control separately the pressurization and the supply of the solvent and of the paint thus avoiding a setting in unnecessary pressure from unused tanks.
- only the arrival of the solvent is controlled by a distributor 221 while the arrival of the paint once the reservoir 210 is under pressure, is it not controlled directly by a distributor but by the needle control (not illustrated ) conventionally present in a marking head and the movement of which is controlled by the distributor 240. This latter characteristic reduces the frequency of cleaning of the supply circuit.
- the supply circuit implements the setting in motion of a jack 230, the re-entry and exit of the rod of which control the setting of the marking heads which are movable in rotation or in the working position.
- the marking head has a rest position in which it is likely to undergo a purge in a tank provided for this purpose without projecting liquid towards the passage zone of the wire element.
- an automatic marking step into the manufacturing range has enabled the applicant to imagine ergonomic management of the surface of a frame manufacturing workshop.
- the applicant has imagined a manufacturing range integrating a machine M ensuring the marking of concrete reinforcing bars F from concrete reinforcing rod stored in a first storage zone Zl where a first sorting is made between the elements to be marked and those not requiring said marking.
- the irons F requiring marking are set in motion by the marking machine M ensuring, according to the production envisaged, the marking of the marks and distinctive signs programmed such as those described above.
- the iron F released from the marking machine comes by gravity or not to be placed in the setting in motion of a conventional shaping machine Mb which preforms it in order to become a frame C comprising the marks for mounting elements not marked results of the initial sorting joined said frames C in a second storage area Z2.
- a conventional shaping machine Mb which preforms it in order to become a frame C comprising the marks for mounting elements not marked results of the initial sorting joined said frames C in a second storage area Z2.
- the two storage areas Zl and Z2 as well as the two machines M and Mb are placed opposite, offering an ergonomic arrangement of the sub-assemblies participating in the range of manufacture of the frame.
- Another object of the invention is constituted by the software product which, according to a particularly advantageous characteristic of the invention, is remarkable in that it ensures the operations of setting in motion of the concrete reinforcing iron by managing the evolution of the speed of advance of the concrete reinforcing iron in cooperation with the marking to be carried out according to the envisaged manufacture in order to help the identification of the marked concrete reinforcement.
- this software product is of the type controlling that of the setting in motion and shaping operations on a shaping machine, and which is remarkable in that it consists in managing an evolution of the advance speed of the concrete reinforcing iron in cooperation with the speed of the marking head according to the envisaged production by marking the positioning marks necessary for its assembly and the distinctive signs necessary in order to help the identification of the marked concrete iron .
- the Applicant has also imagined a software product capable of managing the sole setting in motion of the concrete reinforcing iron when the marking head is fixed as in the embodiment illustrated in FIG. 5.
- Such a software product is remarkable in that it can integrate with the shelling software offered with the shaping machines in order to integrate the additional functionalities offered by the presence of a marking head and in particular to avoid marking on folding areas.
- the software product managing the marking process of the invention is remarkable in that it calculates the position of the marks to be produced as a function of the folding zones provided so that the latter do not overlap. It is understood that the devices for implementing a marking process, which have just been described and represented above, have been for the purpose of disclosure rather than limitation. Of course, various arrangements, modifications and improvements could be made to the above example, without departing from the scope of the invention as defined in the claims.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Wire Processing (AREA)
- Multi-Process Working Machines And Systems (AREA)
- Semiconductor Memories (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0201810 | 2002-02-14 | ||
| FR0201810A FR2835767B1 (fr) | 2002-02-14 | 2002-02-14 | Procede de marquage d'elements lineaires du type fers a beton, dispositifs permettant de le mettre en oeuvre et produit logiciel en assurant la gestion |
| PCT/FR2003/000483 WO2003068428A2 (fr) | 2002-02-14 | 2003-02-14 | Procede de marquage d'elements lineaires du type fers a beton, dispositifs permettant de le mettre en oeuvre et produit logiciel en assurant la gestion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1474255A2 true EP1474255A2 (fr) | 2004-11-10 |
| EP1474255B1 EP1474255B1 (fr) | 2006-05-31 |
Family
ID=27620188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03718876A Expired - Lifetime EP1474255B1 (fr) | 2002-02-14 | 2003-02-14 | Procede de marquage d'elements lineaires du type fers a beton et dispositifs permettant de le mettre en oeuvre |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1474255B1 (fr) |
| AT (1) | ATE327842T1 (fr) |
| AU (1) | AU2003222914A1 (fr) |
| DE (1) | DE60305646D1 (fr) |
| DK (1) | DK1474255T3 (fr) |
| FR (1) | FR2835767B1 (fr) |
| WO (1) | WO2003068428A2 (fr) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE821932C (de) * | 1950-09-14 | 1951-11-22 | Westdeutsche Mannesmannroehren | Verfahren zur Kennzeichnung von Walzgut entsprechend den Werkstoffeigenschaften |
| FR2665852A1 (fr) * | 1990-08-17 | 1992-02-21 | Hermange Didier | Procede et machine de marquage pour pieces allongees telles que fers a beton et similaires. |
| JPH0821823A (ja) * | 1994-07-07 | 1996-01-23 | Hitachi Metals Ltd | 金属線材又は条材のマーキング方法及び装置 |
| JP4252121B2 (ja) * | 1998-03-30 | 2009-04-08 | 株式会社アマダ | マーキング装置及びその方法 |
| JP3122655B1 (ja) * | 1999-06-28 | 2001-01-09 | 川崎重工業株式会社 | マーキング装置 |
-
2002
- 2002-02-14 FR FR0201810A patent/FR2835767B1/fr not_active Expired - Fee Related
-
2003
- 2003-02-14 DE DE60305646T patent/DE60305646D1/de not_active Expired - Lifetime
- 2003-02-14 AU AU2003222914A patent/AU2003222914A1/en not_active Abandoned
- 2003-02-14 DK DK03718876T patent/DK1474255T3/da active
- 2003-02-14 EP EP03718876A patent/EP1474255B1/fr not_active Expired - Lifetime
- 2003-02-14 WO PCT/FR2003/000483 patent/WO2003068428A2/fr not_active Ceased
- 2003-02-14 AT AT03718876T patent/ATE327842T1/de active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03068428A3 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE327842T1 (de) | 2006-06-15 |
| DK1474255T3 (da) | 2006-10-02 |
| FR2835767A1 (fr) | 2003-08-15 |
| DE60305646D1 (de) | 2006-07-06 |
| EP1474255B1 (fr) | 2006-05-31 |
| WO2003068428A3 (fr) | 2004-03-25 |
| FR2835767B1 (fr) | 2004-04-02 |
| AU2003222914A1 (en) | 2003-09-04 |
| WO2003068428A2 (fr) | 2003-08-21 |
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