EP3481693A1 - Système de transport - Google Patents

Système de transport

Info

Publication number
EP3481693A1
EP3481693A1 EP17729867.6A EP17729867A EP3481693A1 EP 3481693 A1 EP3481693 A1 EP 3481693A1 EP 17729867 A EP17729867 A EP 17729867A EP 3481693 A1 EP3481693 A1 EP 3481693A1
Authority
EP
European Patent Office
Prior art keywords
transport
trolley
workpiece carrier
fastening device
transport system
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
EP17729867.6A
Other languages
German (de)
English (en)
Inventor
Martin Riegraf
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
Publication of EP3481693A1 publication Critical patent/EP3481693A1/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
    • B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/18—Transportation, conveyor or haulage systems specially adapted for motor vehicle or trailer assembly lines
    • 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
    • F26B15/14—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 trays or racks or receptacles, which may be connected to endless chains or 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
    • F26B25/02—Applications of driving mechanisms, not covered by another subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B10/00—Power and free systems
    • 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 good
    • F26B2210/12—Vehicle bodies, e.g. after being painted

Definitions

  • the invention relates to a transport system, in particular for a dryer for drying workpieces, with a plurality of transport trolleys, wherein the trolleys are movable in a transport direction on a rail system and transportable by means of the trolley workpieces, each trolley has a trolley landing gear.
  • workpiece carriers are used to link various production processes, such as painting, drying, etc.
  • various production processes such as painting, drying, etc.
  • skids are available.
  • the workpieces such as vehicle bodies or vehicle components are fastened for transport.
  • the workpieces pass through the workpiece carriers with the various treatment stations and are sometimes exposed to high temperatures or reactive substances.
  • a transport system such as a roller conveyor, a chain conveyor system or a rail-mounted transport system is used.
  • a transport system such as a roller conveyor, a chain conveyor system or a rail-mounted transport system.
  • a rail-mounted transport system a large number of transport vehicles is often used, with the individual transport vehicles being individually motorized. This allows the realization of individual transport cycles or cycle times for the individual trolley and thus a high degree of flexibility in the design of the entire transport system.
  • the skids used especially for vehicle bodies have a considerable weight compared to the weight of the vehicle bodies and are partially wise designed for special treatment processes such as a dip of the vehicle bodies. Since the weight of the skids has to be heated, for example, in the most diverse treatment processes, there is a desire to dispense with this form of workpiece carrier, where and as far as possible.
  • the invention is therefore based on the object to provide a transport system with a variety of transport vehicles, which protects the individual trolley from harmful influences by treatment of the trolley associated workpiece and, if possible, at the same time a simple, safe and cost-effective way to adapt to different sizes Workpieces possible.
  • the transport system according to the invention is designed in particular for a dryer for drying workpieces such as vehicle bodies and has a plurality of transport vehicles.
  • the trolleys are movable in a transport direction on a rail system. Workpieces can be transported by means of the transport trolleys.
  • Each trolley has a trolley chassis.
  • the trolley has a fastening device which is adapted to a connection between the trolley and To produce a workpiece carrier to transport the workpiece carrier by means of the trolley.
  • the fastening device has a thermal insulation, which impedes heat transfer between a workpiece carrier and the trolley.
  • a thermal insulation which impedes heat transfer between a workpiece carrier and the trolley.
  • the thermal insulation protect the trolley from excessive temperatures.
  • the fastening device for the thermal insulation has a thermally insulating component between the workpiece carrier and the fastening device, between the fastening device and the trolley and / or integrated in the fastening device. This is an efficient measure to complicate the heat flow between the trolley and the workpiece carrier.
  • the fastening device has a passage element.
  • the passage element may, for example, be a gooseneck-like or sword-like formation of a part of the fastening device, which makes it possible to guide the workpiece carrier through a correspondingly narrow slot.
  • This may be advantageous in particular in a drying device.
  • the workpiece carrier can be guided through a narrow slit within the high-temperature inner space of the dryer by means of the passage element, while at the same time the trolley is outside of the exposed to an elevated temperature interior of the dryer.
  • the associated with the fastening device thermal insulation can complicate the heat flow taking place via the penetration element and thus protect the trolley from excessive thermal stress.
  • the fastening device has a plug connection.
  • the plugging direction with the vertical closes an angle of 0 ° ⁇ 45 °, in particular of 0 ° ⁇ 30 ° and especially preferably from 0 ° ⁇ 15 °.
  • the plugging direction is vertical.
  • a plug connection represents a connection which can be quickly produced and quickly released, which in particular also offers the possibility of holding a workpiece carrier adapted to the respective workpiece and of connecting it to the transport carriage for the respective insert via the fastening device.
  • the fastening device has a receiving space, which tapers un th.
  • the workpiece carrier can be connected easily detachable in the transport carriage.
  • the conical taper provides particularly high accuracy in the mating process.
  • the fastening device is designed as a pocket.
  • the receiving space may also have vertical walls.
  • the fastening device has a thermally insulating element in the region of the receiving space. This allows the inhibition or extensive interruption of the heat flow directly at the transition from a workpiece carrier to the fastening device and thus to the trolley.
  • the insulation element has friction-reducing properties.
  • the combination of thermal insulation and friction reduction allows a particularly simple solvable and producible connection between the workpiece carrier and trolley, which is particularly well solvable due to the friction-reduced properties and at the same time makes it difficult to pass the heat flow.
  • the transport vehicle has various attachment points for the fastening device.
  • the attachment points differ with regard to their position along the transport direction. It is thus possible, for example, to fasten multipart workpiece slides in different arrangements along the transport direction to the transport carriage by means of the fastening device, if corresponding fastening elements points are present on the trolley.
  • the attachment points can be arranged on a rail by means of a clamp attachment.
  • the fastening device can be attached seamlessly or continuously along the transport direction on the trolley. If necessary, further dimensions, for example, perpendicular to the transport direction, can also be adjustable by means of the clamp fastening.
  • a clamp attachment and a predetermined attachment in the form of predetermined receiving points is possible.
  • the transport system can be designed as a monorail system.
  • the workpiece carrier may be a skid for a vehicle body or a vehicle component.
  • Figure 1 is a schematic side view of an inventive transport system with an inserted workpiece carrier including workpiece Figure 2, the transport system of Figure 1 without inserted workpiece carrier;
  • Figure 3 is a partial perspective view of a trolley of the transport system of Figure 1 with an inserted first workpiece carrier;
  • FIG. 4 shows a perspective partial view of the transport carriage of FIG. 3 with an alternative fastening device and an inserted second workpiece carrier;
  • Figure 5 is a partial perspective view of the trolley of Figure 4 with an inserted alternative third workpiece carrier.
  • Figure 6 is a cross-sectional view of the transport system of Figure 1 in conjunction with a dryer. DESCRIPTION OF PREFERRED EMBODIMENTS
  • Figures 1 and 2 show in schematic side views of an inventive transport system 10.
  • the transport system 10 includes a plurality of conveyor units or transport vehicles, of which a trolley 12 is shown in Figures 1 and 2.
  • the transport system 10 is designed as a monorail system and comprises a rail 14 on which the transport carriage 12 is arranged to be movable.
  • the transport carriage 12 can be moved along the rail 14 in the transport direction, as shown schematically in Figure 2 by the arrow 16. In general, however, can be promoted with the transport carriage 12 shown in Figures 1 and 2 in the forward and backward direction.
  • the trolley 12 has a rail 14 encompassing trolley landing gear 18.
  • the chassis 18 is formed in two parts and has a leading in the transport direction precursor unit 181 and a trailing in the transport direction Nachêtrö 182 on.
  • the precursor unit 181 and the trailer unit 182, which together form the trolley chassis 18, are connected to each other via a connecting device 20.
  • the trolley chassis 18 runs on the support rail 14 and supports the connecting device 20th
  • connection device 20 which is embodied here as a horizontally extending support crosspiece 22, comprises two joints 24, 26, which articulate the precursor unit 181 and the trailer unit 182 with the connection device 20.
  • the hinges 24, 26 allow the connecting device 20 to pivot about a vertical axis of rotation relative to the precursor unit 181 and the slave unit 182.
  • the precursor unit 181 and the post-rotor unit 182 are largely identical in construction, with individual components and components being positioned mirrored relative to a plane perpendicular to the transport direction 16 with respect to a straight section of the mounting rail 14.
  • the precursor unit 181 forms a chassis unit 28.1 and the trailer unit 182 forms a chassis unit 28.2 of the trolley chassis 18 of the trolley 12th
  • the precursor unit 181 supports a drive roller 30.1, which rolls on a drive surface 32 of the support rail 14 and is driven by a drive motor 34.1.
  • the drive motor 34.1 is carried by the precursor unit 181.
  • the drive tread 32 may also be inclined or vertical. In such a case, the drive roller 34.1 presses laterally against the support rail 14 as a friction wheel.
  • the trolley 12 each lead their own drive system with it, so that the trolley 12 can be driven and moved independently.
  • the own drive system is formed by the drive rollers 30.1, 30.2 and the associated drive motors 34.1, 34.2.
  • the precursor unit 181 has at a distance from the drive roller 30.1 on a passively revolving support roller 36.1, which also rolls on the drive surface 32 of the support rail 14.
  • the chassis unit of the precursor unit 181 stores a plurality of lateral guide rollers 38.1 of which only two are provided with reference numerals. The guide rollers 38.1 rest on both sides of the support rail 14 and thus prevent tilting of the precursor unit 181 to the side.
  • the precursor unit 181 has a drive frame 40.1 which supports the drive roller 30.1 together with the drive motor 34.1 and four guide rollers 38.1 on each side of the support rail 14.
  • the drive frame 40.1 is pivotally connected via a connecting beam 42.1 with a support frame 44.1, which in turn supports the support roller 36.1 and also on both sides of the support rail 14 four guide rollers 38.1, as already mentioned above.
  • the articulated connection of the drive frame 40.1 with the support frame 44.1 via not specifically provided with a reference numeral coupling joints that allow passage of curve sections of the support rail 14.
  • both the precursor unit 181 and the post-rotor unit 182 each have a drive roller 30.1, 30.2.
  • a drive roller with drive motor it may be sufficient if only at the precursor unit 181 or the Nachêtritz 182 a drive roller with drive motor is present.
  • the trolley chassis 18 of the trolley 12 supports at least one drive roller and carries its drive motor with it.
  • the transport carriage carries with it a power supply device 60.
  • the power supply device 60 ensures the power supply of the drive motors 38.1, 38.2 while driving, ie during the movement of the transport carriage 12.
  • the energy supply device 60 may be, for example, a rechargeable energy store, such as a rechargeable battery or a capacitor for an electric drive or a compressed gas storage as an energy source for compressed gas be drives.
  • line conductors may be provided along the rail 14 (not shown).
  • the line conductors are a winding stretched to a long conductor loop, which describes a loop with a first line conductor as a forward line and a second line conductor as a return line.
  • An energy transfer takes place via a coil on the chassis unit, which is arranged in the immediate vicinity of the line conductors, without touching them.
  • the follower unit 182 carries a control device 62, by means of which the drive motors 34.1, 34.2 are controlled and synchronized.
  • the control device 62 communicates with a central control, not specifically shown, of the system 10.
  • the transport system 10 has a fastening device 70, which is set up to establish a connection between the transport carriage 12 and a workpiece carrier 80 for the transport of the workpiece carrier 80.
  • the fastening device comprises three receiving pockets 72, 74, 76 which are arranged distributed along the conveying direction 16 on the support crosspiece 22.
  • the receiving pockets 72, 74, 76 cooperate with the workpiece carrier 80 having two support portions 80, 84 which cooperate with a receiving pocket 72, 74, 76, respectively.
  • FIG. 1 shows the workpiece carrier 80 inserted into the fastening device 70;
  • FIG. 2 shows the fastening device without workpiece carrier.
  • FIG. 3 shows a perspective partial view of the transport carriage 12 of the transport system 10 of FIG. 1 with an inserted workpiece carrier 70.
  • FIG. 3 shows in detail the support crosspiece 22 acting as a connecting device 20 with receiving pockets 72, 74, 76 fastened thereto.
  • the receiving pockets 72, 74, 76 are arranged one behind the other in the conveying direction 16 and extend in the embodiment shown in the insertion direction, ie in the vertical direction 78, conical. There are also other gradients such as a straight course conceivable.
  • the receiving pockets 72, 74, 76 taper in a vertical direction downwards.
  • the support crosspiece 22 is formed as a C or I profile. There are also other forms such as a circular or square profile conceivable.
  • the receiving pockets 72, 74, 76 are clamped to the support cross member 22, so that adjustability in various dimensions is possible.
  • clamping mechanism and other fastening mechanisms such as form or frictional engagement can be realized, for example, a direct screw with corresponding holes or tapped holes, a locking or gluing.
  • guides 741, 742 are arranged, which can be seen in the situation shown in Figure 3 only in the middle receiving pocket 74 and are therefore described only there.
  • the guides 741, 742 are made of a heat-resistant plastic, which allows both a thermal insulation between the receiving pocket 74 and the transport carriage 12 connected via the support crosspiece 22 on the one hand and the workpiece carrier 80 and the associated workpiece on the other hand. At the same time reduce the guides 741, 742 friction during insertion and Aussteckvorêtn.
  • the workpiece carrier 80 has, as already mentioned, two support sections 80, 84 and cross members 86, 88 connected to the support sections.
  • the cross members 86, 88 are provided at their outer ends with receiving points 861, 862, 881, 882. At these receiving points, the workpiece or workpieces, here, for example, a vehicle body, recorded and optionally attached.
  • the thermal insulation may also be fastened to the workpiece carrier 80 such that the thermal insulation forms the direct interface between a workpiece and the workpiece carrier 80.
  • the receiving points 861, 862, 881, 882 could be made of a thermally insulating material o / / and have a thermally insulating pad.
  • the support portions 82, 84 are provided on their underside with a protective cover 821, 841.
  • the blank receiving pocket 74 could optionally be closed with a blanking plug (not shown).
  • the interaction between the workpiece carrier 80 and the fastening device 70 is as follows: Depending on the type of workpiece to be conveyed on a system, the position and the distance as well as the number of receiving pockets 72, 74, 76 on the connecting device 20 or in the support crosspiece 22 be set. In the embodiment shown, three receiving pockets 72, 74, 76 are provided. This number allows, for example, a quick change from a workpiece carrier 80 designed for a longer workpiece (not shown), which has a long distance between the support sections 82, 84 as shown in FIG. 3 to a workpiece (not shown) that has a shorter distance between the support portions 82, 84 has. For this shorter distance, for example, the middle receiving pocket 74 would have to be set once. In this way, at a regular change between said two distances between the support portions 82, 84 without further retooling the carriage is possible.
  • These workpiece carriers 80 can also be used for handling at other handling stations or for processing at other treatment stations.
  • each receiving pocket 72, 74, 76 is adjustable. Of course, it is also possible to provide a smaller number of receiving pockets, for example two or one, as well as a larger number of receiving pockets than shown in the exemplary embodiments.
  • FIG. 4 shows a perspective partial view of the transport carriage 12 of FIG. 3 with an alternative attachment device 70 'and one with the attachment device 70 'connected second workpiece carrier 80'.
  • an alternative attachment device 70 'and one with the attachment device 70 'connected second workpiece carrier 80' In order to avoid repetition of identical parts of the description, only the differences of this alternative embodiment will be discussed below. Identical or comparable features to the previous embodiment are designated by the same reference numerals and will not be explained separately again.
  • the embodiment shown in FIG. 4 has receiving supports 72 ', 74', 76 'instead of receiving pockets. Comparable with the receiving pockets 72-76 of FIGS. 76 'connected via a clamping or screw connection with the support cross member 22 and thus correspondingly adjustable, detachable and replaceable. Of course, another type of attachment would be possible as already explained above.
  • a cross member 722', 742 ', 762' which has at its outer ends receiving forks 732 ', 743', 763 '.
  • the inside of the forks 732'-763 ' is covered with an insulating material 724', which impedes heat flow.
  • a corresponding workpiece carrier 80' can be stored, which consists in the embodiment shown in Figure 4 only two cross members 86 ', 88', which analogous to the workpiece carrier 80 of Figures 1 -3 at its ends Has recordings for a workpiece.
  • the cross members 86 ', 88' can also, as shown in Figure 5, be connected by means of longitudinal members 87 ', 89' with each other.
  • thermal insulation takes place between the fastening device 70' and the workpiece carrier 80 '.
  • FIG. 6 shows a cross-sectional view of the transport system 10 of FIGS. 1 and 2 in connection with a drier 100.
  • the drier 100 comprises a housing 102, which may be referred to as a Temperiertunnel a drying tunnel 104 limited and sidewalls 106, a ceiling 108 and a tunnel floor 1 10 includes.
  • the tunnel floor 108 has a complementary to the support portions 82, 84 of the trolley 12 connecting passage 1 12.
  • Below the drying tunnel 104 is a driving space 1 14 for the transport system 10th
  • the transport carriage 12 can thus move along the direction of travel 16 perpendicular to the drawing surface of FIG. 6, while carrying the workpiece carrier 80, 80 ', which is connected to the transport carriage 12 via the fastening device 70.
  • a transition of the located in the drying tunnel 104 high temperatures on the trolley 12 is undesirable and is made more difficult in the present invention, that between the workpiece carrier 80 and dolly 12, a thermal insulation is present.
  • This is in the embodiment shown in Figure 6, as explained in detail to Figure 3, formed within the receiving pockets 72-76 as an insulating plastic element.
  • the geometric configuration of the penetration section 82, together with the configuration of the connection passage 1 12, additionally complicates a heat flow, for example due to thermal radiation. Consequently, the thermal separation between the workpiece and workpiece carrier 80 and the trolley 12 is further improved.

Abstract

L'invention concerne un système de transport conçu notamment pour un séchoir destiné au séchage de pièces, par exemple, des carrosseries de véhicules, et présentant une pluralité de chariots transporteurs. Les chariots transporteurs sont déplaçables sur un système de rails dans une direction de transport. Les chariots transporteurs permettent de transporter des pièces. Chaque chariot transporteur présente un châssis de chariot transporteur. Selon l'invention, le chariot transporteur présente un dispositif de fixation conçu pour réaliser une liaison entre le chariot transporteur et un porte-pièces afin de transporter le porte-pièces à l'aide du chariot transporteur. Le dispositif de fixation présente une isolation thermique qui complique le transfert de chaleur entre un porte-pièces et le chariot transporteur.
EP17729867.6A 2016-07-05 2017-06-13 Système de transport Pending EP3481693A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016112324.2A DE102016112324A1 (de) 2016-07-05 2016-07-05 Transportsystem
PCT/EP2017/064458 WO2018007110A1 (fr) 2016-07-05 2017-06-13 Système de transport

Publications (1)

Publication Number Publication Date
EP3481693A1 true EP3481693A1 (fr) 2019-05-15

Family

ID=59055220

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17729867.6A Pending EP3481693A1 (fr) 2016-07-05 2017-06-13 Système de transport

Country Status (5)

Country Link
US (1) US10919591B2 (fr)
EP (1) EP3481693A1 (fr)
CN (1) CN109415067A (fr)
DE (1) DE102016112324A1 (fr)
WO (1) WO2018007110A1 (fr)

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DE102017106731A1 (de) * 2017-03-29 2018-10-04 Eisenmann Se Verfahren und Fahrzeug zum Fördern eines elektrisch angetriebenen Kraftfahrzeugs während dessen Montage
DE102017113343A1 (de) * 2017-06-19 2018-12-20 Eisenmann Se Verfahren und Fertigungsanlage zur Herstellung von Fahrzeugen und Oberflächenbehandlungsanlage zur Oberflächenbehandlung von Fahrzeugkarosserien
IT201800006933A1 (it) * 2018-07-04 2020-01-04 Telaio di supporto per scocche di autoveicolo
DE102018123269A1 (de) * 2018-09-21 2020-03-26 Eisenmann Se Transportwagen zum Transportieren von Werkstücken, Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
JP6749460B1 (ja) * 2019-08-29 2020-09-02 株式会社大気社 塗装乾燥装置
CN114599593B (zh) 2019-10-17 2023-11-28 英特诺控股公司 用于传送装置的传送台架的驱动装置

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JPS59171748A (ja) * 1983-03-16 1984-09-28 株式会社ダイフク 搬送装置
JPH061501Y2 (ja) * 1988-07-06 1994-01-12 株式会社椿本チエイン 二次導体分割タイプのリニアモータ駆動トロリーコンベヤ
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DE102014011971B3 (de) * 2014-08-15 2015-09-17 Eisenmann Ag Transportvorrichtung mit mehreren Wagen und Transportsystem

Also Published As

Publication number Publication date
US10919591B2 (en) 2021-02-16
WO2018007110A1 (fr) 2018-01-11
CN109415067A (zh) 2019-03-01
DE102016112324A1 (de) 2018-01-11
US20190233037A1 (en) 2019-08-01

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