EP3277849A1 - Dispositif de traitement par trempe thermique d'un élément métallique, du type tube ou barre, présentant des tronçons cintrés. - Google Patents
Dispositif de traitement par trempe thermique d'un élément métallique, du type tube ou barre, présentant des tronçons cintrés.Info
- Publication number
- EP3277849A1 EP3277849A1 EP16723792.4A EP16723792A EP3277849A1 EP 3277849 A1 EP3277849 A1 EP 3277849A1 EP 16723792 A EP16723792 A EP 16723792A EP 3277849 A1 EP3277849 A1 EP 3277849A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal element
- clamp
- heat treatment
- induction coil
- treatment device
- 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.)
- Withdrawn
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 104
- 239000002184 metal Substances 0.000 title claims abstract description 89
- 238000005496 tempering Methods 0.000 title abstract 2
- 230000006698 induction Effects 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 238000006073 displacement reaction Methods 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 11
- 238000013519 translation Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- 238000007669 thermal treatment Methods 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/085—Cooling or quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Definitions
- the invention relates to a thermal quenching treatment device of a metal element, tube or bar type, having curved sections.
- this invention relates to a heat treatment device comprising mainly:
- thermal treatment means comprising an induction coil and cooling means comprising spray nozzles integrated in an annular spray crown,
- the thermal treatment devices according to this concept comprise a fixed support on which a plurality of clamps, each composed of two jaws, are secured:
- this solution requires the realization of specific tools (support and clamps positioned on this support) for each model of heat-treated metal element, and is therefore a relatively expensive solution.
- the heat treatment devices comprise:
- a multiaxis robot whose arm is equipped with a support on which are positioned a plurality of clamps arranged to be distributed along a portion of the longitudinal axis of the metal element, and spaced apart from each other. to ensure the maintenance of this metal element during its passage through the induction coil,
- the present invention aims to overcome the disadvantages of the above-described devices for the heat treatment of metallic elements, and its main purpose is to provide heat treatment devices designed so as to make it possible to treat by means of a single tooling. very simple, a wide range of metal elements.
- the invention is directed to a device for heat-quenching treatment of a metal element, of the tube or bar type, having bent sections, comprising:
- thermal treatment means comprising an induction coil and cooling means comprising spray nozzles integrated in an annular spray crown,
- the means for holding the metal element are composed of a clamp arranged so as to grip an end section, referred to as the upper end, of the metal element, and to hold the said metal element freely suspended under the said clamp,
- the displacement means consist of displacement means able to simultaneously move the induction coil and the sprinkler ring along a metal element suspended under the clamp, from an end section, said lower of said metal element opposite its upper section.
- This design which consists of suspending the metal element to a tool consisting of a simple clamp, and simultaneously moving the induction coil and the sprinkler ring along this metal element from its lower end, proves to be to lead to heat treatment, especially without causing interference between the heat treatment and cooling, a wide range of metal elements may have very complex shapes.
- the clamp for holding the metal element is carried by means for rotating said gripper about an axis of rotation (x), able to give a movement oscillation at said metal element suspended under this clip.
- this gripper for holding the metal element is, advantageously according to the invention, carried by means for moving said gripper along at least one translation axis.
- a combination consists, moreover, advantageously according to the invention, to mount the drive means in rotation of the clamp around an axis of rotation (x) on means for moving said clamp along a vertical translation axis (z) and a horizontal translation axis (y).
- the treatment device may also, advantageously according to the invention, comprise means for driving the gripper in rotation about a vertical axis (z).
- the displacement means of the induction coil are advantageously adapted, according to the invention, for an inductor of length /, so that the center of the median transverse plane of said induction coil is at less substantially coaxial with the rope of length / centered on said median plane, the neutral fiber Fn of the metal element.
- This mode of defining the trajectory of the induction coil which consists in subtending this trajectory relative to the neutral fiber of the metallic element makes it possible to guarantee the obtaining of a minimum distance between the internal face of the said element. induction coil and respectively the intrados and the extrados of the metal element, and this even for very short radii of curvature of the order of 1, 5 to 2 times the diameter of said metal element, and leads to a significant increase in the range of metal elements that can be heat-treated by the device according to the invention.
- the induction coil and the spraying ring are each carried by displacement means consisting of a multiaxis robot.
- the holding clip of the metal element can also be carried by displacement means consisting of a multi-axis robot adapted to give it several degrees of freedom in rotation and in translation.
- the heat treatment device according to the invention comprises, moreover, advantageously according to the invention, a multiaxis unloading robot provided with a gripper for gripping the metal element after heat treatment.
- the clamp for holding the metal element consists of a tubular clamp adapted to cap and grip the upper portion of said metal element and to extend in the axial extension of said section. superior.
- this tubular clamp advantageously has, according to the invention, an outer diameter less than the respective internal diameters of the induction coil and the spraying ring, adapted to allow the axial displacement of said induction coil and crown. spraying along said tubular clamp.
- This tubular clamp design makes it possible to bring the induction coil and the sprinkler ring to a final position in which they extend around said tubular clamp, and thus release the entire length of the tube. metal element.
- this end length is usually intended to undergo machining by forming and therefore does not require to be heat treated, so that the treatment device leads to treat, in one step, the entire length of the metal element requiring a heat treatment.
- This final position also allows easy access to the metal element allowing its unloading by means of the unloading robot.
- the thermal treatment device advantageously comprises a source of cold fluid connected to inject a flow of cold fluid into the upper end section of said metal element, during the heat treatment of the latter.
- FIG. 1 is a schematic perspective view of a thermal quenching treatment device according to the invention
- FIG. 2 is a perspective view of the means of this device for processing, holding and moving a metal element
- FIG. 3 is a longitudinal section through an axial plane of the clamp for holding a metal element and means for heat treatment of this metal element, represented positioned at the end of the treatment operation,
- FIG. 4 is a cross section through a plane A of FIG. 3,
- FIG. 5 is an explanatory diagram of the mode of displacement of the induction coil.
- the treatment device according to the invention shown in the figures consists of a thermal quenching treatment device of a metal element of the bar or tube type, such as a suspension element of a motor vehicle, which may notably consist of: shown in a torsion bar 1.
- This treatment device comprises, in the first place:
- the clamp consists of a tubular clamp 2 of the type of free cutting pliers, comprising a part of revolution partially split along several generatrices, allowing, by its elasticity, to tighten, in the example of the outside, a cylindrical portion of a piece.
- this clamp 2 comprises:
- the relative displacement means of the outer tube 10 and the inner tube 12 are adapted to move the outer tube 10 longitudinally along the inner tube, and consist of a cylinder 17 arranged vertically connected to the outer tube 10 by a system of rods 18.
- the displacement means of this clamp 2 comprise, for their part, positioned on the vertical front face of a frame 3:
- a second carriage 6 carried by the first carriage 4, guided along horizontal rails such as 7 extending along axes (y) parallel to the front face of the frame 3, and driven along said rails by a motorized assembly not shown,
- the first carriage 4 is equipped with a retractable stand for stiffening the tubular clamp 2, comprising a support piece 19 mounted on the end of the two rods 20a of a jack 20 arranged along an axis (x), the body 20b is secured to said first carriage.
- this support piece 19 comprises a housing 21 of shape adapted to house the lower end of the tubular clamp 2, in the lower extension of which is formed a groove 22 intended to house the upper portion of the suspended metal element 1 under the so-called tubular clamp.
- the treatment device further comprises:
- thermal treatment means and cooling means of the type described in European Patent EP 1 405 926 and thus constituted, respectively, by an induction coil 23 and an annular spraying ring 26 in which are integrated sprinkler nozzles 27,
- displacement means adapted to simultaneously move the induction coil 23 and the sprinkler ring 26 along the metal element 1 suspended under the tubular clamp 2, from the lower end section of said metal element.
- These displacement means comprise, for each of the two elements, induction coil 23 and spraying ring 26, a multiaxis robot respectively 24, 28 shown schematically in FIG. 1, comprising, in a conventional manner, a terminal arm respectively 25, 29 provided with a gripping member of said induction coil and sprinkler ring.
- the processing device furthermore comprises, as shown diagrammatically in FIG. 3, a third multiaxis 30 unloading robot, equipped with a terminal arm 31 equipped with a gripper 32 for gripping the metal element 1 after heat treatment. .
- This treatment device comprises, finally, an air source 33 connected to inject a cold air flow into the upper end section of the metal element 1, during the heat treatment of the latter.
- the metal element 1 is thus suspended under the tubular clamp 2.
- the heat treatment is then carried out: by simultaneously moving the induction coil 23 and the sprinkler ring 26 along the metal element 1 from the lower end section of said metal element,
- the displacements of the induction coil 23 and possibly of the tubular clamp 2 are controlled, as shown in FIG. 5, for an induction coil 23 of length / so that the center of the median transverse plane of said induction coil, (that is to say the transverse plane located at half-length 1/2 of said coil 0), is at least substantially coaxial with the chord of length / centered on the said median plane (that is to say the rope length / extending length 1/2 on both sides of said median plane), the neutral fiber Fn of the metal element.
- the spraying ring 26 is further adapted to bring the said induction coil and spraying ring to a final position, shown in FIG. 3, in which they extend around the tubular clamp 2. .
- this end length is usually intended to undergo machining by forming and therefore does not require to be heat treated, so that the treatment device leads to treat the entire length of the metal element 1 requiring a heat treatment.
- This final position also allows easy access to the metal element 1, allowing its unloading by means of the unloading robot 30.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1500661A FR3034432A1 (fr) | 2015-03-30 | 2015-03-30 | Dispositif de traitement par trempe thermique d'un element metallique, du type tube ou barre, presentant des troncons cintres |
PCT/FR2016/000060 WO2016156679A1 (fr) | 2015-03-30 | 2016-03-29 | Dispositif de traitement par trempe thermique d'un élément métallique, du type tube ou barre, présentant des tronçons cintrés. |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3277849A1 true EP3277849A1 (fr) | 2018-02-07 |
Family
ID=53177594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16723792.4A Withdrawn EP3277849A1 (fr) | 2015-03-30 | 2016-03-29 | Dispositif de traitement par trempe thermique d'un élément métallique, du type tube ou barre, présentant des tronçons cintrés. |
Country Status (7)
Country | Link |
---|---|
US (1) | US20180202015A1 (fr) |
EP (1) | EP3277849A1 (fr) |
CN (1) | CN108012547A (fr) |
CA (1) | CA2987060A1 (fr) |
FR (1) | FR3034432A1 (fr) |
RU (1) | RU2017142372A (fr) |
WO (1) | WO2016156679A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110438300B (zh) * | 2018-09-17 | 2024-05-17 | 湖北江山专用汽车有限公司 | 一种立式回火定位支撑装置 |
CN111206145B (zh) * | 2020-03-30 | 2021-12-28 | 上海精智实业股份有限公司 | 一种夹持工装 |
CN111270053B (zh) * | 2020-03-30 | 2021-12-24 | 上海精智实业股份有限公司 | 一种淬火系统及淬火方法 |
CN112430718A (zh) * | 2020-12-18 | 2021-03-02 | 辉县市恒兴金属制品有限公司 | 一种花生捡拾机排草风机叶轮叶片淬火工艺 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1020754C (zh) * | 1988-11-26 | 1993-05-19 | A·E·毕晓普及合夥人有限公司 | 一种在扫描感应加热淬火中对弯曲工件矫直的方法 |
EP1052295B1 (fr) * | 1999-05-12 | 2004-07-21 | Benteler Ag | Méthode de fabrication d'éléments structurels dans la construction automobile |
FR2845397B1 (fr) * | 2002-10-02 | 2005-07-29 | Allevard Rejna Autosuspensions | Installation de trempe par induction, notamment pour la fabrication d'elements de suspension |
JP5496584B2 (ja) * | 2009-09-04 | 2014-05-21 | デルタ工業株式会社 | 板状部品の高周波焼入れ方法 |
DE102010020942B4 (de) * | 2010-05-19 | 2012-05-10 | Benteler Automobiltechnik Gmbh | Spannvorrichtung und Verfahren zum Wärmebehandeln eines Langmaterials |
DE102010054363B3 (de) * | 2010-12-13 | 2011-12-29 | Benteler Automobiltechnik Gmbh | Vorrichtung zur Wärmebehandlung von Langmaterial sowie Verfahren zum Wärmebehandeln eines Langmaterials |
CN202297684U (zh) * | 2011-10-27 | 2012-07-04 | 东莞市星杰热处理有限公司 | 高频淬火装置 |
CN202610264U (zh) * | 2012-04-16 | 2012-12-19 | 安徽日隆机械制造有限公司 | 曲轴淬火夹具 |
DE102012106713B3 (de) * | 2012-07-24 | 2013-09-19 | Benteler Automobiltechnik Gmbh | Abkühlvorrichtung für eine Induktionsvorrichtung |
CN103114191A (zh) * | 2013-03-20 | 2013-05-22 | 南京盛泰工程机械有限公司 | 一种薄壁长管内壁高频淬火专用机床 |
DE102013109076B3 (de) * | 2013-08-22 | 2014-10-09 | Benteler Automobiltechnik Gmbh | Abschreckbrause für Induktionshärteeinrichtungen |
-
2015
- 2015-03-30 FR FR1500661A patent/FR3034432A1/fr not_active Withdrawn
-
2016
- 2016-03-29 RU RU2017142372A patent/RU2017142372A/ru unknown
- 2016-03-29 CN CN201680031176.0A patent/CN108012547A/zh active Pending
- 2016-03-29 US US15/578,414 patent/US20180202015A1/en not_active Abandoned
- 2016-03-29 WO PCT/FR2016/000060 patent/WO2016156679A1/fr active Application Filing
- 2016-03-29 CA CA2987060A patent/CA2987060A1/fr not_active Abandoned
- 2016-03-29 EP EP16723792.4A patent/EP3277849A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR3034432A1 (fr) | 2016-10-07 |
CA2987060A1 (fr) | 2016-10-06 |
US20180202015A1 (en) | 2018-07-19 |
CN108012547A (zh) | 2018-05-08 |
RU2017142372A3 (fr) | 2019-08-09 |
WO2016156679A1 (fr) | 2016-10-06 |
RU2017142372A (ru) | 2019-08-09 |
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