EP4168599A1 - Procédé de recuit de carrosseries de véhicule et système de recuit - Google Patents

Procédé de recuit de carrosseries de véhicule et système de recuit

Info

Publication number
EP4168599A1
EP4168599A1 EP21739246.3A EP21739246A EP4168599A1 EP 4168599 A1 EP4168599 A1 EP 4168599A1 EP 21739246 A EP21739246 A EP 21739246A EP 4168599 A1 EP4168599 A1 EP 4168599A1
Authority
EP
European Patent Office
Prior art keywords
vehicle body
structural component
gas flow
application device
inlet openings
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.)
Pending
Application number
EP21739246.3A
Other languages
German (de)
English (en)
Inventor
Oliver IGLAUER-ANGRIK
Kevin Woll
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.)
Duerr Systems AG
Original Assignee
Duerr Systems AG
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 Duerr Systems AG filed Critical Duerr Systems AG
Publication of EP4168599A1 publication Critical patent/EP4168599A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • 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
    • C21D1/26—Methods of annealing
    • 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
    • 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
    • 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
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/02—Side panels
    • B62D25/025—Side sills thereof

Definitions

  • the present invention relates to a method for controlling the temperature of vehicle bodies and a temperature control system.
  • a method and such a temperature control system are used in particular in the manufacture of vehicles, in particular passenger cars.
  • a temperature-controlled gas flow is directed onto the vehicle body to be tempered in order to achieve a heat transfer from the gas flow to the vehicle body or from the vehicle body to the gas flow.
  • the present invention is based on the object of providing a method by means of which the temperature control of an internal structure of a structural component of a vehicle body can be optimized.
  • this object is achieved by a method for controlling the temperature of vehicle bodies in accordance with the independent method claim.
  • one or more structural components of the vehicle body each have one or more inlet openings.
  • the gas flow is preferably directed to the one or more inlet openings of the one or more structural components of the vehicle body in such a way that the gas flow flows into an interior of the structural component and / or flows through the interior of the structural component.
  • the interior of the structural component is in particular an interior surrounded by the structural component at least on three, four, five or six sides.
  • the interior of the structural component is in particular an interior arranged within the structural component and not a passenger compartment or other interior of the vehicle body as a whole.
  • the application device is designed to be stationary.
  • the vehicle bodies are then in particular positioned and / or moved relative to the application device, in particular transported to the same, optionally arranged in a temporarily stationary manner and / or transported away from the same.
  • the application device can be positioned and / or moved and that the application device is positioned and / or moved relative to the vehicle body.
  • a rough positioning and / or rough movement of the vehicle body relative to the application device can be undertaken, for example by means of a conveying device for conveying the vehicle bodies.
  • a conveying device for conveying the vehicle bodies.
  • a positioning device and / or movement device that is different from the conveyor device or that supplements the conveyor device, a fine adjustment of the positioning and / or movement of the application device relative to to the vehicle body.
  • a positioning of the vehicle body is to be understood in particular as a temporarily stationary arrangement, in particular while the gas flow is being directed to one or more inlet openings.
  • Moving the vehicle body is to be understood as meaning, in particular, a moving arrangement or transport along a movement path, in particular while the gas flow is being directed to one or more inlet openings.
  • the application device can be moved towards one or more inlet openings of the structural component of the vehicle body by means of the movement device.
  • one or more nozzles or other outflow openings of the application device can be moved towards one or more inlet openings of the structural component of the vehicle body by means of the movement device, in particular to reduce a distance between the one or more nozzles or the one or more the plurality of outflow openings on the one hand and the one or more inlet openings of the structural component of the vehicle body on the other hand.
  • the application device can be moved into one or more inlet openings of the structural component of the vehicle body by means of the movement device.
  • one or more nozzles or other outflow openings of the application device can be moved into one or more inlet openings of the structural component of the vehicle body by means of the movement device, in particular to avoid a distance along a main flow direction between the one or more nozzles or the one or the plurality of outflow openings on the one hand and the one or more inlet openings of the structural component of the vehicle body on the other hand.
  • Contact between the application device and the structural component is preferably avoided. It can be advantageous if a conveying device for conveying the vehicle bodies is or will be coordinated, in particular synchronized, with a movement device for moving the application device.
  • a cyclic operation of the conveying device is provided, with the application device being moved by means of the moving device, in particular to the one or more inlet openings and / or into the one or more, in a holding state of a vehicle body, ie during a standstill of the vehicle body between two conveying steps a plurality of inlet openings is moved into it, preferably for applying the temperature-controlled gas flow to the vehicle body.
  • the movement device preferably comprises an electric or hydraulic or pneumatic drive device for performing the movement.
  • the movement device depending on a position, type, size and / or configuration of the vehicle body to which the gas flow is applied and / or depending on a previous and / or subsequent further treatment and / or depending on measured values for determining Treatment data, in particular temperature measurement values, is or is controlled, in particular to achieve an optimized treatment result on the vehicle body.
  • the structural component is a side sill, a longitudinal member and / or a cross member of the vehicle body.
  • the structural component is an A-pillar, a B-pillar and / or a C-pillar of the vehicle body. Furthermore, it can be provided that the structural component comprises or is formed from a side sill, a side member, a cross member, an A-pillar, a B-pillar and / or a C-pillar of the vehicle body.
  • the structural component is preferably flowed through at least in sections with the gas stream.
  • one or more inlet openings and / or one or more outlet openings a) are accessible from a direction running parallel to a longitudinal direction of the vehicle body and / or b) are arranged in one or more planes running perpendicular to the longitudinal direction of the vehicle body.
  • one or more inlet openings and / or one or more outlet openings of a structural component are arranged in the area of one or two wheel arches of the vehicle body.
  • a structural component designed as a side sill can be provided for each side of the vehicle, which extends between two wheel arches of the vehicle body.
  • a throughflow can be provided such that the gas flow flows through the one or more inlet openings of the structural component of the vehicle body into an interior of the structural component and leaves the interior through one or more outlet openings of the structural component of the vehicle body.
  • the inlet openings and the outlet openings are in particular openings in the structural component that are different from one another and / or are arranged at a distance from one another. It can be favorable if the inlet openings on the one hand and the outlet openings on the other hand are arranged offset from one another along a longitudinal direction and / or transverse direction of the vehicle body.
  • the inlet openings on the one hand and the outlet openings on the other hand are arranged at opposite end regions of the structural component.
  • the application device comprises one or more nozzles which are directed at the one or more inlet openings.
  • the one or more nozzles are directed towards the one or more inlet openings given a predetermined positioning and / or movement of the vehicle body relative to the application device.
  • the application device comprises one or more pivotable, for example trackable, nozzles which can be or will be aligned with the one or more inlet openings.
  • one or more application devices in particular several stationary nozzles of one or more application devices, are operated staggered in time and / or activated and / or deactivated staggered in time, in particular depending on a current position and / or a current movement path of the vehicle body .
  • a gas flow is always released and directed to one or more inlet openings of a structural component of the vehicle body when these one or these several inlet openings are in a flow path or a predefined environment of the flow path of the respective emitted gas flow.
  • an orifice cross-sectional area of one or more nozzles of the application device is at most twenty times, for example at most ten times, in particular at most five times, a cross-sectional area of the one or more inlet openings of the structural component at which the respective nozzle is directed.
  • an opening cross-sectional area of one or more nozzles of the application device is at least about 50%, for example at least about 80%, of a cross-sectional area of the one or more inlet openings of the structural component at which the respective nozzle is directed.
  • a mouth cross-sectional area of one or more nozzles of the application device is smaller than a cross-sectional area of the one or more inlet openings of the structural component towards which the respective nozzle is directed.
  • a gas flow is preferably generated which, halfway between the respective nozzle and the inlet opening and / or immediately in front of the inlet opening, has a flow core area whose cross-sectional area is at most five times, for example at most twice, a cross-sectional area of one or more inlet openings of the structural component to which the respective nozzle is directed.
  • the flow core region of the gas flow is preferably the total amount of those regions of the gas flow in which a local flow rate is at least approximately 60%, preferably at least approximately 80%, of a local maximum velocity of the gas flow at the same distance from the respective nozzle.
  • the maximum speed is taken in particular in a center of the gas flow with respect to a main flow direction of the same.
  • the one or more nozzles each generate a gas flow which, halfway between the respective nozzle and the inlet opening and / or immediately in front of the inlet opening, has a flow core area whose cross-sectional area is at least 50%, for example is at least 80% of a cross-sectional area of the one or more inlet openings of the structural component towards which the respective nozzle is directed.
  • a gas flow is generated which, halfway between the respective nozzle and the inlet opening and / or immediately in front of the inlet opening, has a flow core area whose cross-sectional area is smaller than a cross-sectional area of the one or the plurality of inlet openings of the structural component against which the respective gas flow flows.
  • the gas surrounding the gas flow can preferably be entrained on the way to the structural component and / or mixing with the gas surrounding the gas flow, so that the gas flow is supplied, for example, at a very high temperature and / or high pressure can in order to achieve the highest possible impulse without having to fear overheating of the structural component.
  • An inlet opening of the structural component can, for example, be an open end of a channel, for example an individual channel, an extruded profile or other profile, preferably a hollow profile. Furthermore, an inlet opening can be an open end of the structural component as a whole.
  • one or more inlet openings of the structural component can be designed as passage openings in one or more walls of the structural component, for example in a side wall, an underlying wall, an inner wall, an upper wall and / or an outer wall.
  • the gas flow has a flow core area which extends into the interior of the structural component, the flow core area of the gas flow being formed in particular by the total amount of those areas of the gas flow in which a local flow rate of at least approximately 60%, preferably at least approximately 80%, a local maximum velocity of the gas flow at the same distance from an opening area of the application device. This can result in an optimal introduction of heat or cold into the interior of the structural component.
  • a flow speed of the gas stream at one or more nozzle outlets of one or more nozzles is at least 30 m / s, for example at least 60 m / s, preferably at least 90 m / s, in particular at least 120 m / s, amounts to.
  • a pressure applied to one or more nozzles to provide the gas flow is at least 0.0073 bar, for example at least 0.0293 bar, preferably at least 0.0658 bar, in particular at least 0.1170 bar, in particular at a flow rate of the gas stream at one or more nozzle outlets of one or more nozzles of at least 30 m / s, at least 60 m / s, at least 90 m / s or at least 120 m / s.
  • the pressure is in particular a differential pressure between the pressure in the pressure box or distribution space and the pressure in the space accommodating the vehicle body, in particular in the treatment space.
  • the pressure can be a differential pressure between a pressure in a space arranged upstream of the at least one nozzle and a pressure in a space arranged downstream of the at least one nozzle.
  • the said pressure can be an excess pressure compared to an ambient pressure in the vicinity of the temperature control system (atmospheric pressure).
  • the gas flow is preferably provided by means of a combustion device, in particular by means of a so-called LowNOx burner, by means of which fuel can be converted with low nitrogen oxide formation.
  • the nitrogen oxide concentration in the gas stream is preferably at most approximately 300 mg / Nm 3 , in particular at most approximately 100 mg / Nm 3 .
  • the gas flow applied by means of the application device can advantageously be formed to an extent of at least about 50%, preferably at least about 80%, or completely from exhaust gas from the combustion device. In this way, in particular, a particularly strongly heated gas stream can be supplied and applied.
  • the gas flow flows through the structural component at least approximately parallel to a longitudinal direction of the vehicle body.
  • the gas flow flows through the structural component transversely, in particular at least approximately perpendicularly, to a longitudinal direction of the vehicle body.
  • the gas flow can, for example, flow into the structural component at a front or rear end with respect to the longitudinal direction of the vehicle body and correspondingly flow out at a rear or front end of the structural component with respect to the longitudinal direction of the vehicle body.
  • an alignment of the structural component can be provided in such a way that a main direction of extent of the structural component is aligned transversely, in particular at least approximately perpendicularly, to a longitudinal direction of the vehicle body.
  • the gas flow then preferably flows through the structural component along this main direction of extent and thus transversely, in particular at least approximately perpendicularly, to the longitudinal direction of the vehicle body.
  • the gas flow flows through the structural component transversely, in particular at least approximately perpendicularly, to a main direction of extent of the structural component, for example from an outer side to an inner side of a structural component designed as a side sill.
  • the gas flow flows into one or more inlet openings arranged in a central region of the structural component and / or flows out of the same at both ends of the structural component.
  • a central region of the structural component is in particular a central region arranged between two ends of the structural component, for example a third of the structural component arranged centrally with respect to a main direction of extent of the structural component.
  • uniform temperature control of the structural component can be optimized by the gas flow flowing into a central region of the structural component.
  • the structural component can preferably be flowed through simultaneously with the gas flow in several directions of flow.
  • the structural component can be flowed through by the gas stream at the same time to both end regions thereof.
  • a main direction of flow of the gas stream is oriented transversely, in particular obliquely, to a main direction of extent of the interior of the structural component before it flows into the one or more inlet openings.
  • an angle which includes the main direction of flow of the gas stream before it flows into the one or more inlet openings with the main direction of extent of the interior of the structural component is at least approximately 20 °, for example at least approximately 40 °, and / or at most approximately 80 °, for example, at most about 65 °.
  • the main direction of flow of the gas stream before it flows into the one or more inlet openings is at least approximately parallel to a main direction of extent of the interior of the structural component, for example an angle of less than 15 °, preferably less than 10 °, with the same , includes.
  • the main direction of extent of the interior of the structural component is, for example, an extrusion direction of a structural component embodied, for example, as an extruded profile or comprising such a structural component.
  • the vehicle bodies are conveyed in a longitudinal orientation of the same along a conveying direction and positioned and / or moved relative to the application device.
  • a main flow direction of the gas flow released by means of the application device between the application device and the respective vehicle body is preferably at least approximately parallel or transverse, in particular at least approximately perpendicular, to the conveying direction.
  • a longitudinal alignment of the vehicle bodies is in particular an alignment of the same such that a longitudinal direction of the vehicle bodies is aligned parallel to a conveying direction along which the vehicle bodies are conveyed through, for example, a temperature control room.
  • the vehicle bodies are conveyed in a transverse orientation of the same along a conveying direction and positioned and / or moved relative to the application device.
  • a main flow direction of the gas flow released by means of the application device between the application device and the respective vehicle body is then preferably at least approximately parallel or transverse, in particular at least approximately perpendicular, to the conveying direction.
  • a transverse alignment of the vehicle bodies is in particular an alignment of the same such that a longitudinal direction of the vehicle bodies is aligned transversely, in particular at least approximately perpendicularly, to a conveying direction along which the vehicle bodies are conveyed through a temperature control room, for example.
  • the invention is based on the further object of providing a temperature control system for controlling the temperature of vehicle bodies, by means of which a internal structure of a structural component of a vehicle body can be optimally temperature controlled.
  • this object is achieved by a temperature control system according to the independent device claim.
  • the temperature control system for controlling the temperature of vehicle bodies preferably comprises the following: an application device for applying a temperature-controlled gas flow to a vehicle body; a positioning device for positioning the vehicle body relative to the application device and / or a movement device for moving the vehicle body relative to the application device.
  • the gas flow can preferably be directed or directed to one or more inlet openings of a structural component of the vehicle body.
  • the temperature control system is particularly suitable for carrying out the method according to the invention.
  • the temperature control system preferably has a control device by means of which the temperature control system can be controlled in such a way that the method according to the invention can be carried out.
  • the temperature control system is preferably designed and / or arranged in such a way that the method according to the invention can be carried out, in particular by means of the control device.
  • the temperature control system also preferably comprises one or more of the features and / or advantages described in connection with the method according to the invention. It can be favorable if the temperature control system comprises a conveying device for conveying the vehicle bodies.
  • the positioning device and / or the movement device can be part of the conveying device or formed by the same.
  • the positioning device and / or the movement device is / are a device different from the conveying device for conveying the vehicle bodies.
  • the conveying device can in particular be a clocked conveying device.
  • a continuous conveyance by means of the winningvor direction can be provided.
  • the application device can for example have one or more individual feed openings, for example individual nozzles, which can in particular be aligned and / or adjusted independently of one another and / or to which individual gas flows different in terms of volume flows and / or mass flows and / or pulses can be fed.
  • individual feed openings for example individual nozzles, which can in particular be aligned and / or adjusted independently of one another and / or to which individual gas flows different in terms of volume flows and / or mass flows and / or pulses can be fed.
  • the application device comprises, for example, a pressure box or distributor space, via which a plurality of nozzles or other supply openings can be used to supply parts of a total gas flow.
  • One or more nozzles can be designed as a slot nozzle or a round nozzle, for example.
  • the gas flow is, for example, a temperature-controlled circulating air gas flow or a temperature-controlled fresh air gas flow.
  • the gas flow can be an exhaust gas from a combustion device, for example a LowNOx burner, or contain such exhaust gas. It can be favorable if, by means of the application device, a further gas flow can be directed into a gap between a door and an outside of a side sill of a vehicle body.
  • the structural component when the structural component is a side sill, it can be provided that it is formed from several metal sheets and / or one or more profiles, for example an extruded profile or several extruded profiles.
  • One or more metal sheets are connected to one another, for example, by means of a folded joint.
  • a plurality of nozzles of the application device are then preferably provided in order to direct the structural component onto the metal sheets on both sides of the fold or to direct it to inlet openings arranged in the metal sheets.
  • the application device preferably comprises one or more nozzles which have a diameter of at most approximately 3 cm, for example at most approximately 2 cm, for example approximately 1 cm.
  • An exit speed of the gas flow guided through one or more such nozzles is preferably at least approximately 25 m / sec., For example at least approximately 40 m / sec., In particular approximately 50 m / sec. In this way, in particular, a large static negative pressure can be generated at the nozzle outlet in order to generate a secondary flow.
  • a conditioning device in particular for heating or cooling, can be provided to control the temperature of the gas flow.
  • the gas flow is in particular a gas flow taken from a treatment room or partially includes such a gas flow.
  • a gas stream taken from a treatment room can be carried out by means of a heat exchanger, for example a central heat exchanger, and / or by means of an electrical heating device, in order to then be directed as a temperature-controlled gas stream onto the vehicle body.
  • direct heating in which exhaust gas from a burner device, in particular a burner with low nitrogen oxide emissions, is used as a gas flow or as a component of the gas flow.
  • a burner device in particular a burner with low nitrogen oxide emissions
  • fresh air or circulating air in combination with direct heating or, on the other hand, fresh air or circulating air in combination with indirect heat transfer can be provided.
  • Fig. 1 is a schematic vertical cross section through a than
  • FIG. 2 shows a schematic perspective illustration of the section of the structural component from FIG. 1, with a view of an underside of the structural component;
  • FIG. 3 shows a schematic side view of the vehicle body from FIG. 1 to illustrate the gas flow through the structural component
  • FIG. 4 shows a schematic representation corresponding to FIG. 3 of an alternative flow through the structural component
  • FIG. 5 shows an enlarged illustration of one end of the structural component viewed in the direction of flow within the structural component
  • FIG. 6 shows a schematic representation corresponding to FIG. 3 of a further alternative flow through the structural component.
  • a first embodiment, shown in FIGS. 1 to 3, of a temperature control system designated as a whole by 100 is used to control the temperature of vehicle bodies 102, in particular vehicle bodies 102 of passenger cars.
  • a vehicle body 102 is shown only in sections in FIG. 1, namely in the form of a section of a side sill 104 and a part of a door 106.
  • the side sill 104 is a structural component 108 of the vehicle body 102 and thus representative of various structural components 108 of the vehicle body 102, which guarantee the stability of the vehicle body 102 and absorb and / or forward the main loads during normal operation of the vehicle and in the event of a crash.
  • the side sill 104 is mainly dealt with in accordance with the drawings.
  • the explanations can be transferred to other structural components 108 of the vehicle body 102, for example longitudinal members, cross members, A-pillars, B-pillars, C-pillars, etc.
  • a structural component 108 is designed in particular as a hollow component and thus surrounds an interior 110 of the structural component 108, which is from a plurality of walls 112 of the structural component 108 is surrounded.
  • the walls 112 include one or more lower floor walls, one, two, three or more side walls and / or one or more upper ceiling walls.
  • the side walls include, in particular, one or more internal side walls, which face a vehicle interior, and / or one or more external side walls, which face away from the vehicle interior.
  • the structural component 108 can in particular be formed from a plurality of metal sheets or comprise a plurality of metal sheets.
  • an inner side wall can be gebil det by a sheet metal.
  • An outer wall facing away from the vehicle interior is designed, for example, as a double wall and comprises, for example, an outer panel 114 and an inner panel 116 covered by the outer panel 114.
  • the structural component 108 preferably comprises an internal structure 118 which, for example, is designed as a profile component 120 or comprises one.
  • the profile component 120 is in particular an extruded profile 122.
  • One or more walls 112 of the structural component 108 preferably each have one or more inlet openings 124, by means of which a fluid connection is established between the surroundings of the structural component 108 and the interior 110 of the structural component 108.
  • the inlet openings 124 are, for example, on the lower bottom wall 112 of the Structural component 108 arranged and / or formed, in particular in all of the metal sheets of the structural component 108 that form the base wall 112.
  • the door 106 and the side sill 104 are arranged at a distance.
  • the door 106 of the vehicle body 102 is slightly opened.
  • a door gap 126 is formed between the door 106 and the side sill 104.
  • the temperature control system 100 comprises a treatment room 128.
  • the vehicle bodies 102 can be brought into the treatment room 128 and / or conveyed through the same in order to control the temperature thereof.
  • the temperature control system 100 comprises in particular a conveying device (not shown) for conveying the vehicle bodies 102 along a conveying direction 130.
  • the temperature control system 100 preferably comprises an application device 132 for applying a temperature-controlled gas flow to the vehicle body 102.
  • the application device 132 is in particular arranged on one or more walls 134 of the temperature control system 100 and / or integrated therein.
  • the application device 132 preferably comprises one or more distribution spaces 136 for supplying a temperature-controlled gas flow to a plurality of nozzles 138, for example round nozzles 140 or slot nozzles 142 Structural component 108 is directed.
  • a plurality of nozzles 138 are directed towards inlet openings 124 of the structural component 108.
  • the temperature-controlled gas flow can thus flow into the interior 110 of the structural component 108, so that in particular an optimized heat transfer can be implemented in the interior 110 of the structural component 108. In particular, this allows the interior 110 located internal structure 118, in particular the profile component 120, flowed against, flowed around and / or flowed through.
  • the nozzles 138 preferably have an opening cross-sectional area 144 which corresponds at most approximately three times, preferably at most approximately twice, to a cross-sectional area 146 of an inlet opening 124 of the structural component 108 against which the flow is directed by means of the respective nozzle 138.
  • the gas flow can be introduced into the interior 110 in a targeted manner, in particular at high pressure and high speed, as a result of which rapid mixing can result in the interior 110 for uniform and not too strong temperature control of the structural component 108.
  • the gas flow is preferably introduced into the inlet opening 124 in such a way that a flow core region 148 of the gas flow extends into the interior 110 of the structural component 108.
  • a part of the gas flow surrounding the flow core area 148 flows around the structural component 108, preferably on its outside, so that in particular a uniform temperature control can also take place on the outside of the structural component 108.
  • nozzles 138 of the application device 132 are preferably directed at different walls 112 or wall sections of walls 112 of the structural component 108, in particular on both sides of a fold 150 on which several metal sheets of the structural component 108 are connected to one another (see in particular FIG. 1) .
  • the gas flow flowing into the interior 110 through the inlet opening 124 flows through the structural component 108 in its longitudinal direction 152, which in particular is also a longitudinal direction 152 of the vehicle body 102 or at least approximately runs parallel thereto.
  • Open ends 154 of the structural component 108 preferably form outlet openings 156 at which the gas flow passed through the interior 110 can flow out of the interior 110.
  • a suction device 158 of the temperature control system 100 is preferably assigned to one or more outlet openings 156, in particular in order to be able to discharge the gas flow flowing out of the structural component 108 and / or to optimize the flow of the gas flow through the structural component 108.
  • inlet openings 124 or two regions with a plurality of inlet openings 124 are arranged on the structural component 108 distributed along the longitudinal direction 152.
  • the arrows in FIG. 3 also indicate that the gas flow can be directed into the inlet openings 124 by means of the nozzles 138 with different inflow vectors 162.
  • angles a (alpha) can be provided, which optimize a further flow of the gas flow along the respective associated section 160.
  • larger angles ⁇ (beta) can be provided, which allow a simplified inflow of the gas flow into the respective inlet opening 124.
  • angles ⁇ , ⁇ are in particular the angles that enclose the main flow direction of the gas flow before it flows into the respective inlet opening and the longitudinal direction 152 of the structural component 108 with one another.
  • one or more slot nozzles 142 can be provided, which are used and / or in particular for large-area temperature control of the outer and / or thin-walled parts of the vehicle body 102 which are directed into a door gap between door 106 and side sill 104.
  • the nozzles 138 can be connected to a distributor space 136 or also individually connected to a gas duct for providing the gas flow.
  • a second embodiment of a temperature control system 100 shown in FIGS. 4 and 5 differs from the first embodiment shown in FIGS. 1 to 3 essentially in that the application device 132 allows flow through the structural component 108 along its longitudinal direction 152 from an open end 154 allows up to the further open end 154.
  • FIG. 4 two nozzles 138 are shown in FIG. 4, which can be provided individually or in combination with one another.
  • One of the nozzles 138 is a floor nozzle 164.
  • the further nozzle 138 is a wall nozzle 166.
  • the floor nozzle 164 is arranged and / or formed in particular in a floor of the treatment room 128 and enables a flow to flow onto the structural component 108, in particular independently of a movement of the vehicle body 102.
  • the floor nozzle 164 can in particular also be used when the vehicle body 102 is along the The longitudinal direction 152 of the same is conveyed through the treatment space 128, that is to say when the longitudinal direction 152 is parallel to the conveying direction 130. In such a case, the floor nozzle 164 is arranged under the vehicle body 102 and can thus be driven over.
  • the wall nozzle 166 can be provided in particular when the vehicle body 102 is conveyed transversely, that is, when the longitudinal direction 152 of the vehicle body 102 is aligned horizontally and perpendicular to the conveying direction 130, for example.
  • the wall nozzle 166 then enables, in particular, a supply of the gas flow to the interior 110 of the structural component 108 with a main flow direction which is oriented essentially parallel to the longitudinal direction 152 of the structural component 108.
  • an inflow of the structural component 108 can also be provided for longitudinal conveyance of the vehicle bodies 102 by means of a wall nozzle 166, provided that this inflow is transverse to the conveying direction, in particular obliquely from the side, he follows.
  • the structural component 108 of the vehicle body 102 is flowed through by the gas flow from a front section 168 of the vehicle body 102 to a rear section 170 of the vehicle body 102.
  • One or more nozzles 138 are thus assigned to the front end area 168, while a suction device 158 is preferably assigned to the rear end area 170.
  • FIGS. 4 and 5 corresponds in terms of structure and function to the embodiment shown in FIGS. 1 to 3, so that reference is made to the description thereof above.
  • a third embodiment of a temperature control system 100 shown in FIG. 6 differs from the second embodiment shown in FIGS. 4 and 5 essentially in that the structural component 108 of the vehicle body 102 is flowed through in the opposite direction with the gas stream.
  • the suction device 158 is assigned to the front vehicle area 168, while one or more nozzles 138 are assigned to the rear vehicle area 170.
  • the third embodiment of the temperature control system 100 shown in FIG. 6 corresponds in terms of structure and function to the second embodiment shown in FIGS. 4 and 5, so that reference is made to the description above.
  • temperature control systems 100 In further (not shown) embodiments of temperature control systems 100, various combinations of features of the temperature control systems 100 described above can be provided.
  • each side sill 104 of each vehicle body 102 is preferably assigned an application device 132 in accordance with one of the embodiments described above.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Manufacturing & Machinery (AREA)
  • Nozzles (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

L'objectif de l'invention est de proposer un procédé de recuit de carrosseries de véhicule, au moyen duquel le recuit d'une structure interne d'un composant structurel d'une carrosserie de véhicule peut être optimisé, le procédé comprenant les étapes suivantes : positionnement et/ou déplacement d'une carrosserie de véhicule par rapport à un dispositif d'application pour appliquer un flux de gaz à température contrôlée à la carrosserie de véhicule ; diriger le flux de gaz sur une ou plusieurs ouvertures d'entrée d'un composant structurel de la carrosserie de véhicule.
EP21739246.3A 2020-06-22 2021-06-18 Procédé de recuit de carrosseries de véhicule et système de recuit Pending EP4168599A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020207717.7A DE102020207717A1 (de) 2020-06-22 2020-06-22 Verfahren zum Temperieren von Fahrzeugkarosserien und Temperieranlage
PCT/DE2021/100526 WO2021259421A1 (fr) 2020-06-22 2021-06-18 Procédé de recuit de carrosseries de véhicule et système de recuit

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Publication Number Publication Date
EP4168599A1 true EP4168599A1 (fr) 2023-04-26

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Application Number Title Priority Date Filing Date
EP21739246.3A Pending EP4168599A1 (fr) 2020-06-22 2021-06-18 Procédé de recuit de carrosseries de véhicule et système de recuit

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EP (1) EP4168599A1 (fr)
CN (2) CN216140102U (fr)
DE (2) DE102020207717A1 (fr)
WO (1) WO2021259421A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022106284A1 (de) 2022-03-17 2023-09-21 Dürr Systems Ag Behandlungsanlage und Verfahren zum Behandeln von Werkstücken

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7905723B2 (en) * 2006-06-16 2011-03-15 Durr Systems, Inc. Convection combustion oven
DE102011011261A1 (de) 2011-02-15 2012-08-16 Eisenmann Ag Vorrichtung zum Temperieren von Fahrzeugkarosserien
DE102012020357B4 (de) * 2012-10-16 2014-08-14 Eisenmann Ag Vorrichtung zum Temperieren von Gegenständen
DE102013004131B4 (de) 2013-03-09 2022-07-28 Volkswagen Aktiengesellschaft Vorrichtung zum Behandeln einer Beschichtung einer Fahrzeugkarosserie
DE102015214706A1 (de) * 2015-07-31 2017-02-02 Dürr Systems Ag Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
DE102016113062A1 (de) 2016-07-15 2018-01-18 Eisenmann Se Vorrichtung, Anlage und Verfahren zum Temperieren von Werkstücken

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CN216140102U (zh) 2022-03-29
WO2021259421A1 (fr) 2021-12-30
DE102020207717A1 (de) 2021-12-23
DE112021003363A5 (de) 2023-05-11
CN113895545A (zh) 2022-01-07

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