WO2014203223A1 - Procédé et installation pour la production de tubes profilés - Google Patents

Procédé et installation pour la production de tubes profilés Download PDF

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Publication number
WO2014203223A1
WO2014203223A1 PCT/IB2014/062494 IB2014062494W WO2014203223A1 WO 2014203223 A1 WO2014203223 A1 WO 2014203223A1 IB 2014062494 W IB2014062494 W IB 2014062494W WO 2014203223 A1 WO2014203223 A1 WO 2014203223A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
tool
processing
processing cycle
organ
Prior art date
Application number
PCT/IB2014/062494
Other languages
English (en)
Inventor
Rudi BRAGAGNI
Original Assignee
SENNI, Marco
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 SENNI, Marco filed Critical SENNI, Marco
Priority to RU2016101191A priority Critical patent/RU2016101191A/ru
Priority to US14/899,900 priority patent/US20160136708A1/en
Priority to EP14744174.5A priority patent/EP3010666A1/fr
Publication of WO2014203223A1 publication Critical patent/WO2014203223A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically

Definitions

  • the present invention relates to a method for the production of profiled tubes.
  • the present invention also relates to a plant for the production of profiled tubes.
  • the tubes may be either metallic or not.
  • Profiled tubes means tubes which are either corrugated or deformed according to given conditions.
  • Rolling machines are currently marketed in which the rolls are provided arranged around a tube which translates and in contact with the outer surface of the tube itself. Furthermore, the rolls may rotate around the longitudinal axis of the tube. A plastic deformation of the tube is obtained by effect of such a contact.
  • a method for processing profiled tubes is provided, characterized in that it comprises:
  • a first step in which all the processing data are set, such as the final configuration to be obtained, the type of material of which said tube is made, and the dimensional data of said tube;
  • a third step in which the processing cycle is controlled, and which consists in controlling the rotation of said tube around its own longitudinal axis and the contact of the outer face of said tube with at least one tool along part or the entire longitudinal length of said tube, while performing a continuous or timed comparison of the result obtained and/or reached during the processing cycle; and a fourth step, in which the end of processing cycle is controlled based on what was detected during the comparison and/or if the final configuration of the profiling (corrugation or deformation) of said tube is detected.
  • a system for processing profiled tubes is also provided, characterized in that it comprises:
  • a working surface which is defined on a horizontal plane ;
  • first organ which is defined by a first tool and by a first device, which is suited to control the translation of said tool against said tube until it comes into contact with the latter;
  • third means which are suited to determine the translation of said first organ along an axis that is parallel to the longitudinal axis of the tube.
  • FIG. 3 is a partial plan view on enlarged scale of a part of the system in figures 1 and 2;
  • figure 4 is a front view of the part of the system shown in figure 3;
  • figure 5 is a partial plan view on enlarged scale of a part of the system in figures 1 and 2 with different organs from those shown in figure 3;
  • figure 6 is a front view of the part of the system shown in figure 5;
  • figure 7 is a partial, perspective view of the part of the system shown in figure 3;
  • figure 8 is a partial, perspective view of the part of the system shown in figure 5;
  • FIG. 9 is a flow-chart of a control unit of the system in figures 1 and 2;
  • FIG. 10 is a flow-chart of the operation of the system in figures 1 and 2.
  • reference numeral 1 indicates as a whole a system for processing profiled tubes 2, where "profiled tubes” means tubes on which a deformation or a corrugation is performed.
  • the system 1 comprises a base 3 having a working surface 4, defined on a horizontal plane and a plurality of supporting legs 5 of the working surface 4.
  • the system 1 further comprises a first head 6 fitted on a first longitudinal end of the working surface 4 and suited to block a first longitudinal end of the tube 2, and a second head 7 fitted near the second longitudinal end of the working surface 4 and suited to block a second longitudinal end of the tube 2; the tube 2 has a horizontal longitudinal axis parallel to the longitudinal axis of the working surface 4.
  • the head 6 is a vice (not shown) applied to the first longitudinal end of the tube 2.
  • the head 7 is a vice (not shown) carried by a carriage 8 suited to translate along the longitudinal axis of the working surface 4.
  • the processing of the tube 2 causes a variation of its longitudinal length, so that the head 7 translates from and towards the head 6, and this translation indicates the linear deformation to which the tube 2 is subjected.
  • the head 6 is provided with a motor 9 which determines the rotation around the longitudinal axis of the tube 2 and thus the rotation of the tube 2.
  • the head 7 is idly fitted so as not to obstruct the rotation of the tube 2.
  • the system 1 comprises a second carriage 11, carried by the working surface between the heads 6 and 7 and suited to translate along a horizontal axis parallel to the longitudinal axis of the tube 2.
  • the carriage 11 comprises a plate 12 defined on a plane horizontal to an upper level of the working surface 4.
  • the system 1 comprises drive means of the carriage 11 which, in this embodiment are represented by two guides 14 arranged along the working surface 4 parallel to the longitudinal axis of the latter, by shoes 15 carried by the lower wall of the plate 12 (figures 4 and 6) and in contact with a respective guide 14, and by a motor 16 (figures 1 and 2) suited to control the translation of the carriage 11 along the longitudinal axis of the working surface 4.
  • One or more tools according to the conformation to be obtained may be used in order to obtain the profiling (corrugation or deformation) of the tube 2.
  • the carriage 11 supports an organ 17 defined by a tool 18 (a roll, in this case) and by a device 21 suited to control the translation of the tool 18 against the tube 2.
  • the axis along which the tool 18 translates is horizontal and perpendicular to the longitudinal axis of the tube 2.
  • the contact between the tool 18 and the outer face of the tube 2 determines a deformation of the tube 2.
  • the carriage 11 since the carriage 11 translates, the contact between the tool 18 and the tube 2 occurs on the entire outer face of the tube 2 or for the entire longitudinal length thereof. It is apparent that multiple passages of the tool 18 in contact with the tube 2 are needed to gradually confer the preferred shape to the tube 2.
  • the length of the tube 2 varies (shortening or elongating) and thus the carriage 8 is substantially either recalled towards the head 6 or distanced from the head 6.
  • the displacement of the carriage 8 is detected by a sensor 22 (diagrammatically shown) for the purposes which will be illustrated below.
  • the tube 2 undergoes a deformation along its own rotation axis (twisting on itself) in either the positive or the negative sense; deformation which is detected by a sensor 23 (diagrammatically shown) .
  • the translation of the tool 18 towards the tube 2 must be controlled by means of the device 21.
  • the translation and the correct position of the tool 18 are subordinated to the measures detected by the sensors 22 and 23.
  • the measures detected the sensors 22 and 23 indicate whether the obtained dimensions are those selected or if there are deformations which were not selected but which are due to the material of the tube 2 is made.
  • the carriage 11 supports, on the opposite part of the organ 17, a second organ 24 defined by a contrast tool 25 (a set square, in this case) and a device 26 suited to control the translation of the tool 25 against the tube 2.
  • the axis along which the tool 25 translates is the same translation axis as the tool 18.
  • the organ 24 is provided with a sensor 27 (diagrammatically shown) suited to detect the deformation of the tube 2.
  • the organs 17 and 24 are provided with two tools 31 defined by a respective roll and devices 21 and 26 which determine not only the translation the tools 31 but also the angle of the rotation axis of the rolls.
  • the tools 31 with angle different from its rotation axis cause a deformation of the section of the tube 2 to confer an elliptical conformation to the latter (figure 6), and also determine a profiling (corrugation or deformation) of the outer face of the tube 2.
  • the system 1 described above may be provided with further devices which may improve and substantially make processing more efficient and allow to carry out such a processing in a shorter time.
  • a device 41 (diagrammatically shown) suited to warm up the tube 2 during its processing so as to make its processing more efficient.
  • the carriage 11 may be provided with more organs 17 and 24 arranged mutually side by side; each organ 17 and 24 has a tool thereof in contact with the outer face of the tube 2.
  • a first organ 17 makes a first deformation and the second organ 17 confers a more pronounced deformation with respect to the first.
  • the same solution will be used also for the organs 24.
  • the second deformation may be made only for some sections along the entire length of the tube 2 so as to make a tube 2 which has sections with mutually different profiling (corrugations or deformations) .
  • the system 1 could be provided with several carriages 11, each with its own organs 17 and 24.
  • each organ 17 and 24 is provided with an automatic tool change device so as to reduce times if a tool change is needed for the same tube 2 being processed or for processing a different tube 2.
  • the system 1 is provided with an electronic control unit 51 for all the organs, devices and motors installed in the system 1.
  • the control unit 51 comprises:
  • a unit 52 in which the data for the processing of the tube 2 according to different possible configurations of the profiling (corrugation or deformation) are stored; a data setting unit 53, in which the operator can select a profiling (corrugation or deformation) configuration stored or set a new configuration;
  • a data processing unit 54 to process the data necessary to process the tube 2;
  • control unit 55 to control the different organs, devices and motors installed in the plant 1;
  • a unit 56 which receives the data and the measures detected during the processing cycle
  • a displaying unit 57 to display the selected or set profiling (corrugation or deformation) configuration and the measures detected during the processing cycle of the tube 2.
  • the operating cycle of the system 1 includes a start of processing block 61, from which is reached a block 62, in which the initial positioning of all the organs and the devices installed in the system 1 is controlled and in which the operation of all the organs and devices to start the processing cycle is controlled.
  • Block 62 is followed by a block 63, in which the method detects whether the obtained deformations are those selected or whether there are deformations which are not selected but which are due to the material of which the tube 2 is made.
  • Block 63 is followed by a block 64, in which the profiling obtained in the tube 2 is compared with the profiling obtained from those selected.
  • the method goes from block 64 to an end of cycle block 65, while in the opposite case the method goes from block 64 to a block 66, and from here back to block 62. All the data of a new processing cycle are controlled in block 66 and substantially the repositioning of all the organs and devices installed in the system 1 is controlled. If a tool change is needed during the processing cycle, block 64 compares the profiling obtained with that to be obtained in a given step of the processing cycle. If a second processing step is required for processing with a different tool from that of block 64, the method goes to a block 67 in which the method detects whether all the processing steps have ended.
  • the method which is the object of the present invention for processing profiled tubes (corrugated deformed) comprises:
  • a first step in which all the processing data are set, such as the final configuration to be obtained, the type of material of which said tube 2 is made, the diameter of the tube 2, the thickness of the tube 2, the length of the tube 2;
  • a third step in which the processing cycle is processed with one or more processing steps
  • a sixth step in which the end of the processing cycle is signaled if the final configuration of the profiling of the tube 2 is detected.
  • a variant of the system 1 could include an automatic loading and unloading of the tube 2 from the system 1.
  • the system 1 is provided with a loading and unloading device and the control unit 51 is suited to control such a loading and unloading device.
  • a system and a method for processing profiled tubes is made from which an endless plurality of profiling configurations (corrugation or deformation) may be obtained.
  • the system 1 it is possible to obtain a tube 2 which has sections with different profiling (corrugation or deformation) .
  • the system 1 is easy to produce and may be entirely automatic allowing a shorter processing time, and thus a consequent reduction of processing costs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Heat Treatment Of Articles (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

L'invention porte sur un procédé, qui comprend : une étape dans laquelle toutes les données de traitement sont établies ; une étape dans laquelle le cycle de traitement est traité avec une ou plusieurs étapes de traitement ; une étape dans laquelle le cycle de traitement est commandé, ceci consistant en la commande de la rotation d'un tube (2) autour de son axe longitudinal et en la venue en contact de la face externe du tube (2) avec au moins un outil (18 et 31) le long d'une partie ou de la totalité de la longueur longitudinale du tube (2), tout en effectuant une comparaison continue ou temporisée du résultat atteint pendant le cycle de traitement ; et une étape dans laquelle la fin du cycle de traitement est signalée si la configuration finale du profilage (ondulation ou déformation) du tube (2) est détectée.
PCT/IB2014/062494 2013-06-20 2014-06-20 Procédé et installation pour la production de tubes profilés WO2014203223A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
RU2016101191A RU2016101191A (ru) 2013-06-20 2014-06-20 Способ и установка для изготовления профилированных труб
US14/899,900 US20160136708A1 (en) 2013-06-20 2014-06-20 Method and plant for the production of profiled tubes
EP14744174.5A EP3010666A1 (fr) 2013-06-20 2014-06-20 Procédé et installation pour la production de tubes profilés

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO2013A000313 2013-06-20
IT000313A ITBO20130313A1 (it) 2013-06-20 2013-06-20 Metodo ed impianto per la produzione di tubi profilati

Publications (1)

Publication Number Publication Date
WO2014203223A1 true WO2014203223A1 (fr) 2014-12-24

Family

ID=48877322

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2014/062494 WO2014203223A1 (fr) 2013-06-20 2014-06-20 Procédé et installation pour la production de tubes profilés

Country Status (5)

Country Link
US (1) US20160136708A1 (fr)
EP (1) EP3010666A1 (fr)
IT (1) ITBO20130313A1 (fr)
RU (1) RU2016101191A (fr)
WO (1) WO2014203223A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1837294A (en) * 1929-08-12 1931-12-22 Frigidaire Corp Refrigerating apparatus
US3533267A (en) * 1968-07-23 1970-10-13 Turbotec Inc Method and machine for spirally corrugating tubes
US4137353A (en) * 1975-05-27 1979-01-30 Fariello Leonard A Fabric comprising a novel type of netting
JPS59209430A (ja) * 1983-05-11 1984-11-28 Kobe Steel Ltd 螺旋溝付管の製造方法
ITRA20110019A1 (it) * 2011-06-14 2012-12-15 Marco Senni Macchina per la produzione di tubi corrugati per deformazione plastica a freddo.
EP2567762A1 (fr) * 2011-09-12 2013-03-13 Nexans Dispositif d'ondulation d'un tuyau métallique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1837294A (en) * 1929-08-12 1931-12-22 Frigidaire Corp Refrigerating apparatus
US3533267A (en) * 1968-07-23 1970-10-13 Turbotec Inc Method and machine for spirally corrugating tubes
US4137353A (en) * 1975-05-27 1979-01-30 Fariello Leonard A Fabric comprising a novel type of netting
JPS59209430A (ja) * 1983-05-11 1984-11-28 Kobe Steel Ltd 螺旋溝付管の製造方法
ITRA20110019A1 (it) * 2011-06-14 2012-12-15 Marco Senni Macchina per la produzione di tubi corrugati per deformazione plastica a freddo.
EP2567762A1 (fr) * 2011-09-12 2013-03-13 Nexans Dispositif d'ondulation d'un tuyau métallique

Also Published As

Publication number Publication date
ITBO20130313A1 (it) 2014-12-21
RU2016101191A3 (fr) 2018-05-30
RU2016101191A (ru) 2017-07-24
EP3010666A1 (fr) 2016-04-27
US20160136708A1 (en) 2016-05-19

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