EP3717850B1 - Arrangement et procédé de thermostatisation de pièces - Google Patents

Arrangement et procédé de thermostatisation de pièces Download PDF

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Publication number
EP3717850B1
EP3717850B1 EP18799755.6A EP18799755A EP3717850B1 EP 3717850 B1 EP3717850 B1 EP 3717850B1 EP 18799755 A EP18799755 A EP 18799755A EP 3717850 B1 EP3717850 B1 EP 3717850B1
Authority
EP
European Patent Office
Prior art keywords
temperature
workpieces
controlling
intermediate floor
tunnel
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.)
Active
Application number
EP18799755.6A
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German (de)
English (en)
Other versions
EP3717850B8 (fr
EP3717850A1 (fr
Inventor
Urs GÜMBEL
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.)
Eisenmann GmbH
Original Assignee
Eisenmann SE
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 Eisenmann SE filed Critical Eisenmann SE
Priority to PL18799755T priority Critical patent/PL3717850T3/pl
Priority to HRP20211807TT priority patent/HRP20211807T1/hr
Publication of EP3717850A1 publication Critical patent/EP3717850A1/fr
Publication of EP3717850B1 publication Critical patent/EP3717850B1/fr
Application granted granted Critical
Publication of EP3717850B8 publication Critical patent/EP3717850B8/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
    • F26B21/30—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/35—Temperature; Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/16—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by wheeled trucks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/08—Parts thereof
    • F26B25/10—Floors, roofs, or bottoms; False bottoms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/08—Parts thereof
    • F26B25/12—Walls or sides; Doors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying goods
    • F26B2210/12—Vehicle bodies, e.g. after being painted

Definitions

  • the invention also relates to a corresponding method for controlling the temperature of workpieces, in particular vehicle bodies.
  • temperature control of the workpieces in particular drying, which is typically associated with heating the workpieces, is often necessary. This can serve to remove treatment liquid and / or solvent residues.
  • the temperature control can, however, also be necessary in order to start or end chemical processes, such as the hardening of a paint.
  • An example of such a conveyor is to the DE 10 2015 006 098 A1 referenced.
  • the inventor has recognized that it is only inadequately possible to thermally shield the driving area from the temperature control tunnel if the intermediate floor between the temperature control tunnel and the driving area is designed as a passive heat shield. This is because it has been shown that a corresponding heat shield, for example made from a sandwich material, is too expensive to manufacture and would also be too thick. Because in order to create space for such a passive heat shield, the connecting device which connects the chassis to the workpiece carrier through the intermediate floor would have to be lengthened so that the chassis and the workpiece carrier are sufficiently far apart. In particular in the case of a monorail floor conveyor, this would result in unfavorable leverage conditions which would cause the workpiece carrier and thus the workpiece to be transported to fluctuate greatly.
  • the inventor has therefore recognized that, in spite of a temperature control tunnel that is otherwise temperature controlled, it can be advantageous to provide the intermediate floor facing the driving area with active cooling and / or heating as required in order to also temperature control the driving area.
  • a sufficiently large heat shield on the chassis can be achieved within a lower overall height than when using a passive heat shield. This avoids temperatures that are too high or too low there.
  • both conveying through the temperature control tunnel and leading in and out again in the opposite direction of the workpieces can be meant with regard to the conveying device.
  • the conveyor device can be, for example, a monorail floor conveyor, a chain conveyor or an electric suspension conveyor.
  • the intermediate floor can also be arranged as a suspended ceiling, for example in the case of an electric monorail, but also at the top.
  • the use of active heating can also be used in reverse to heat in a cooling area of the temperature control tunnel in the direction of the driving area.
  • the active cooling and / or heating comprises a cavity which is arranged in the intermediate floor and is set up so that a cooling or heating medium can flow through it.
  • cooling and / or heating means can be connected to the cavity.
  • the supplies can also take place both along a conveying direction of the conveying device and in a direction transverse to it.
  • the active cooling and / or heating comprises a plurality of cavities which are arranged in the intermediate floor.
  • the cavities can be arranged and / or configured differently in the conveying direction or transversely thereto.
  • the plurality of cavities can be set up so that cooling or heating means at different temperatures, with different throughputs and / or different heat capacities can flow through them.
  • the multiple cavities can also be arranged next to one another in such a way that a cavity closer to the temperature control tunnel can have a different cooling or heating capacity than a cavity closer to the driving area.
  • the multiple cavities have different flow cross-sections.
  • the multiple cavities can also be supplied individually, in groups and / or together.
  • the cooling or heating medium can be a gas or a liquid, the flow of which through the cavity or the plurality of cavities is generated by a fan or a pump specially provided for this purpose.
  • a fan or a pump can also be used for this, which are provided for other tasks within the scope of the temperature control, so that the corresponding cooling or heating means basically represents a flow branch from other flow systems that are already present.
  • the cavity or the plurality of cavities can be part of an open or a closed flow system.
  • the line section formed by the cavity can be arranged in a thermal circuit both in the primary circuit of a dryer (for example heating zone) and in the secondary circuit (for example cooling zone).
  • the hall air which typically has temperatures in the range of about 20-30 ° C., can also advantageously be used as a cooling or heating medium. This means that no additional cooling or heating units are required.
  • the cooling or heating output can be regulated by valves, flaps and / or slides in corresponding guide channels.
  • the speed of the fans or pumps can also be changed directly.
  • a plurality of air outlet openings which are connected to the cavity or the plurality of cavities, can advantageously be provided in a region of the intermediate floor. This enables the active cooling or heating of the false floor to be used to create an air curtain.
  • the hollow chamber structures which form the hollow space or the plurality of hollow spaces are advantageously designed in the form of extruded profiles, preferably made of plastic or aluminum.
  • the active cooling and / or heating comprises a Peltier element or a heating element.
  • the active cooling and / or heating can be controlled completely electrically without having to provide installations for conveying coolant or heating medium.
  • a Peltier element or a heating element By using a Peltier element or a heating element, the total thickness of the intermediate floor, especially in the vicinity of the connecting passage, can be further reduced compared to a variant with cavities.
  • a Peltier element or a heating element can also be provided in addition to active cooling and / or heating means of a cavity. In this case, you get at least a corresponding cooling or heating power support.
  • the intermediate floor has a collecting area, in particular a collecting channel, in which condensate from the air of the temperature control tunnel can collect.
  • a corresponding slope of the intermediate floor to the collecting area can be provided, the slope being able to run both transversely and in the conveying direction.
  • the intermediate floor can slope outwards starting from the connecting passage and a collecting channel or a drip edge can be arranged away from the connecting passage. As a result, the condensate moves away from the connecting passage, so that the undercarriage arranged below is not contaminated.
  • the intermediate floor has an insulating layer.
  • the dew point can be shifted with regard to the accumulation of condensate through an actively cooled area of the intermediate floor in such a way that it lies within the intermediate floor.
  • a for this purpose dimensioned insulating layer which, in the case of a dryer, points in the direction of the temperature control tunnel.
  • the active cooling and / or heating is set up to control the temperature to different degrees along a conveying direction of the conveying device.
  • the cooling or heating output can be adjusted depending on the temperatures prevailing in the temperature control tunnel.
  • the latter can also be provided independently of a change in the temperature control along the conveying direction.
  • the active cooling and / or heating is dimensioned in such a way that at the intended temperatures of the dryer tunnel, the temperatures of heat-sensitive components of the chassis in the driving area to a maximum of 60 ° C or a minimum of 0 ° C, in particular a maximum of 40 ° C or a minimum of 20 ° C.
  • the moving parts of the chassis or other components made of a typical plastic material are normally not damaged, so that the dimensioning of the cooling or heating output should be based on this temperature range.
  • FIG. 1 shows a temperature control device designated as a whole by 10, which is embodied here as a dryer, for example.
  • the temperature control device 10 has a temperature control tunnel 12 in which a workpiece 14 to be temperature controlled, here a vehicle body, is arranged.
  • the workpiece 14 is located on a workpiece carrier 16 which is moved through the temperature control tunnel 12 above an intermediate floor 18.
  • a conveying device 20 which comprises a monorail floor track 22 which is arranged below the intermediate floor 18 and along which a chassis 24 moves in a driving space 26.
  • the chassis 24 is connected to the workpiece carrier 16 via a connecting device 28 which, more precisely, consists of the Figures 2 to 5 can be seen.
  • the connecting device 28 passes through a connecting passage 30 in the intermediate floor 18, with a lamellar strip 31 above the connecting passage 30 as an additional dirt barrier (cf. Figures 3 to 5 ) is arranged, the slats of which are pushed aside by the connecting device 28.
  • the temperature control device 10 shown here has as shown Figure 2 can be seen on lateral supply air ducts 32, which are delimited from the temperature control tunnel 12 by an intermediate wall 34.
  • the intermediate wall 34 has outlet openings 36, from which hot air exits for tempering, in the present case in particular for drying, of the workpiece 14.
  • the intermediate floor 18 has a floor section 38 that is approximately wedge-shaped in cross section, especially in the inner area, above the driving space of the conveyor device 20.
  • the bottom section 38 has at least one cavity 40 in which cooling or heating medium flows.
  • the bottom section 38 is provided with connections (not shown) which allow a coolant or a heating medium to be supplied to the cavity 40 in order to flow through the bottom section 38 lengthwise along the conveying direction of the conveyor 20 in the example shown here.
  • the upper side of the bottom section 38 is provided with an outwardly sloping gradient starting from the connecting passage 30.
  • the floor section 38 is offset from an adjacent section 42 of the intermediate floor 18, in particular with an offset of less than 5 cm, offset downwards.
  • a collecting area 39 is formed at the outer end of the floor section 38, in which condensate, which condenses out of the air of the temperature control tunnel 12 on the upper side of the floor section 38 due to the active cooling, can collect.
  • drains are provided along the conveying direction for discharging the condensate.
  • Figure 3 shows an embodiment in which the bottom section 38 of the intermediate bottom 18 is not provided with a slope, but instead carries an insulating layer 44.
  • the insulating layer 44 is formed from such a material and dimensioned in such a way that at the temperatures to be expected that prevail during the operation of the temperature control device 10 in the temperature control tunnel 12 and the corresponding humidity values, the dew point of the respective condensate liquid inside the bottom section 38 and not on whose surface lie.
  • FIG. 5 shows Figure 5 an embodiment in which the bottom section 38 is designed as a simple support plate with the insulating layer 44 placed thereon. Furthermore, instead of the cavities 40, Peltier elements 50 are provided which, when electrically controlled, generate a cooling capacity. As a result, the Peltier elements 50 also provide an actively cooled component as a heat shield against the temperatures of the temperature control tunnel 12 in the area of the intermediate floor section 38. The use of the Peltier elements 50 allows essentially only the statics of the support plate to be taken into account for the construction of the base section 38. Cavities and connections for the corresponding cooling or heating medium are not necessary here.
  • the Peltier elements 50 can also only be provided as additional cooling elements in individual areas of the temperature control tunnel 12, for example in order to provide different cooling and heating capacities in this way along the conveying direction of the temperature control tunnel 12 depending on the temperature prevailing in the corresponding area of the temperature control tunnel.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microbiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heat Treatment Of Articles (AREA)
  • Coating Apparatus (AREA)
  • Drying Of Solid Materials (AREA)
  • Automatic Control Of Machine Tools (AREA)
  • General Induction Heating (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Tunnel Furnaces (AREA)

Claims (10)

  1. Dispositif (10) pour la thermostatisation de pièces (14), notamment de carrosseries de véhicules, comprenant
    a) un tunnel de thermostatisation (12),
    b) un espace de déplacement (26),
    c) un plancher intermédiaire (18) qui est agencé entre le tunnel de thermostatisation (12) et l'espace de déplacement (26) et qui comprend un passage de liaison (30), et
    d) un appareil de transport (20) pour le transport des pièces (14) dans le tunnel de thermostatisation (12),
    e) l'appareil de transport (20) comprenant au moins un chariot de transport doté d'un châssis (24) et un porte-pièce (16) pour la réception des pièces à thermostatiser (14), le châssis (24) étant agencé dans l'espace de déplacement (26) et étant relié au porte-pièce (16) agencé dans le tunnel de thermostatisation (12) par un appareil de liaison (28), qui fait saillie à travers le passage de liaison (30) du plancher intermédiaire (18),
    caractérisé en ce que
    f) pour thermostatiser l'espace de déplacement (26), le plancher intermédiaire (18) est équipé au moins dans certaines zones d'un système de refroidissement et/ou de chauffage actif (40 ; 50).
  2. Dispositif pour la thermostatisation de pièces selon la revendication 1, dans lequel le système de refroidissement et/ou de chauffage actif comprend une cavité (40), qui est agencée dans le plancher intermédiaire (18) et est conçue pour être traversée par un agent réfrigérant ou chauffant.
  3. Dispositif pour la thermostatisation de pièces selon la revendication 2, dans lequel le système de refroidissement et/ou de chauffage actif comprend plusieurs cavités (40), qui sont agencées dans le plancher intermédiaire (18).
  4. Dispositif pour la thermostatisation de pièces selon la revendication 3, dans lequel les plusieurs cavités (40) présentent des sections transversales d'écoulement différentes.
  5. Dispositif pour la thermostatisation de pièces selon l'une quelconque des revendications précédentes, dans lequel le système de refroidissement et/ou de chauffage actif comprend un élément Peltier (50) ou un élément chauffant.
  6. Dispositif pour la thermostatisation de pièces selon l'une quelconque des revendications précédentes, dans lequel le plancher intermédiaire (18) comprend une zone de collecte (39), notamment une rigole de collecte, dans laquelle du condensat provenant de l'air du tunnel de thermostatisation (12) peut être collecté.
  7. Dispositif pour la thermostatisation de pièces selon l'une quelconque des revendications précédentes, dans lequel le plancher intermédiaire (18) comprend une couche isolante (44).
  8. Dispositif pour la thermostatisation de pièces selon l'une quelconque des revendications précédentes, dans lequel le système de refroidissement et/ou de chauffage actif (40 ; 50) est conçu pour thermostatiser à une puissance différente le long d'une direction de transport de l'appareil de transport (20).
  9. Dispositif pour la thermostatisation de pièces selon l'une quelconque des revendications précédentes, dans lequel le système de refroidissement et/ou de chauffage actif (40 ; 50) est dimensionné de telle sorte qu'aux températures prévues du tunnel de séchage (12), les températures de composants sensibles à la chaleur du châssis (24) dans l'espace de déplacement (26) peuvent être limitées à une plage d'au plus 60 °C et d'au moins 0 °C, notamment d'au plus 40 °C et d'au moins 20 °C.
  10. Procédé de thermostatisation de pièces (14), notamment de carrosseries de véhicules, comprenant les étapes suivantes :
    a) la fourniture d'un dispositif (10) pour la thermostatisation de pièces (14) selon l'une quelconque des revendications précédentes ;
    b) la thermostatisation des pièces (14), le plancher intermédiaire (18) étant activement refroidi ou réchauffé.
EP18799755.6A 2017-11-16 2018-11-07 Arrangement et procédé de thermostatisation de pièces Active EP3717850B8 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL18799755T PL3717850T3 (pl) 2017-11-16 2018-11-07 Urządzenie i sposób regulacji temperatury części
HRP20211807TT HRP20211807T1 (hr) 2017-11-16 2018-11-07 Uređaj i postupak za kontroliranje temperature radnih predmeta

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017126978.9A DE102017126978A1 (de) 2017-11-16 2017-11-16 Vorrichtung und Verfahren zum Temperieren von Werkstücken
PCT/EP2018/080406 WO2019096638A1 (fr) 2017-11-16 2018-11-07 Arrangement et procédé de thermostatisation de pièces

Publications (3)

Publication Number Publication Date
EP3717850A1 EP3717850A1 (fr) 2020-10-07
EP3717850B1 true EP3717850B1 (fr) 2021-08-25
EP3717850B8 EP3717850B8 (fr) 2021-10-13

Family

ID=64184097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18799755.6A Active EP3717850B8 (fr) 2017-11-16 2018-11-07 Arrangement et procédé de thermostatisation de pièces

Country Status (9)

Country Link
US (1) US11486641B2 (fr)
EP (1) EP3717850B8 (fr)
CN (1) CN111465813A (fr)
DE (1) DE102017126978A1 (fr)
ES (1) ES2898894T3 (fr)
HR (1) HRP20211807T1 (fr)
HU (1) HUE057051T2 (fr)
PL (1) PL3717850T3 (fr)
WO (1) WO2019096638A1 (fr)

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DE102017126978A1 (de) * 2017-11-16 2019-05-16 Eisenmann Se Vorrichtung und Verfahren zum Temperieren von Werkstücken
DE102018123270A1 (de) * 2018-09-21 2020-03-26 Eisenmann Se Oberflächenbehandlungsanlage und Verfahren zur Oberflächenbehandlung von Fahrzeugkarosserien
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CN115235218B (zh) * 2022-08-04 2024-06-21 广州市台博自动化设备有限公司 一种硅胶履带式滚刷自动烘干设备
CN116576650B (zh) * 2023-05-17 2023-10-20 常州市范群干燥设备有限公司 一种输送烘干一体设备

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DE102015114854B4 (de) * 2015-09-04 2026-04-16 FLAXTEC GmbH Vorrichtung zur homogenen Belichtung einer Beschichtung auf einem Substrat
DE102016004484A1 (de) * 2016-04-13 2017-10-19 Eisenmann Se Verfahren und Fertigungsanlage zur Herstellung von Fahrzeugen und Oberflächenbehandlungsanlage zur Oberflächenbehandlung von Fahrzeugkarosserien
DE102017126978A1 (de) * 2017-11-16 2019-05-16 Eisenmann Se Vorrichtung und Verfahren zum Temperieren von Werkstücken
DE102018109934A1 (de) * 2018-04-25 2019-10-31 Eisenmann Se Behandlungsanlage zum Behandeln von Werkstücken

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US11486641B2 (en) 2022-11-01
PL3717850T3 (pl) 2021-12-20
WO2019096638A1 (fr) 2019-05-23
CN111465813A (zh) 2020-07-28
US20200271384A1 (en) 2020-08-27
ES2898894T3 (es) 2022-03-09
HUE057051T2 (hu) 2022-04-28
DE102017126978A1 (de) 2019-05-16
EP3717850B8 (fr) 2021-10-13
EP3717850A1 (fr) 2020-10-07
HRP20211807T1 (hr) 2022-03-04

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