WO2008019727A1 - installation de traitement d'objets, en particulier en vue de leur peinture par immersion cataphorétique - Google Patents

installation de traitement d'objets, en particulier en vue de leur peinture par immersion cataphorétique Download PDF

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Publication number
WO2008019727A1
WO2008019727A1 PCT/EP2007/005565 EP2007005565W WO2008019727A1 WO 2008019727 A1 WO2008019727 A1 WO 2008019727A1 EP 2007005565 W EP2007005565 W EP 2007005565W WO 2008019727 A1 WO2008019727 A1 WO 2008019727A1
Authority
WO
WIPO (PCT)
Prior art keywords
pivoting
roller
pivot
arm
pivot arm
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.)
Ceased
Application number
PCT/EP2007/005565
Other languages
German (de)
English (en)
Inventor
Jozef Ezechias
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 Anlagenbau GmbH and Co KG
Original Assignee
Eisenmann Anlagenbau GmbH and Co KG
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 Anlagenbau GmbH and Co KG filed Critical Eisenmann Anlagenbau GmbH and Co KG
Publication of WO2008019727A1 publication Critical patent/WO2008019727A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/02—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid
    • B65G49/04—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction
    • B65G49/0409—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length
    • B65G49/0436—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance from bath to bath
    • B65G49/044—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance from bath to bath along a continuous circuit
    • B65G49/045—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance from bath to bath along a continuous circuit the circuit being fixed
    • B65G49/0454—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance from bath to bath along a continuous circuit the circuit being fixed by means of containers -or workpieces- carriers
    • B65G49/0459—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance from bath to bath along a continuous circuit the circuit being fixed by means of containers -or workpieces- carriers movement in a vertical direction is caused by self-contained means

Definitions

  • Plant for treatment in particular for cataphoretic dip painting, of objects.
  • the invention relates to a system for treating, in particular for cataphoretic dip painting, of objects, in particular of vehicle bodies, with
  • At least one transport device which guides the articles through the system, thereby introducing and removing them into the treatment container and, in turn, comprises: a running gear movable along the path of movement of the articles; at least one pivoting arm articulated to the chassis; at least one holder attached to the swivel arm for at least one article; at least one power transmission device for transmitting a driving force from a drive to the pivot arm for pivoting the pivot arm.
  • “loading” is meant here both the swelling and the spraying and the immersion of the objects with or into the treatment liquid.
  • “Swelling” is a process in which relatively large quantities of treatment liquid are applied to the articles per unit of time. Such swelling is used, for example, for the rough cleaning of vehicle bodies in the so-called pre-treatment zone.
  • Spraying is understood to mean the generation of a very fine spray which penetrates into all angles, cracks and other inaccessible areas of the objects to be treated. Such spraying processes take place, for example, both for cleaning and for phosphating, passivation or activation of surfaces and for rinsing off a treatment liquid.
  • the objects as the name implies, are placed under the liquid level of a bath of treatment liquid. Immersion processes can also be found, for example, during cleaning and other processes taking place in the pretreatment zone, but also in the painting process itself.
  • the used kinematics of the objects should first ensure that the objects in optimal Way of the treatment liquid reached, but also can be completely freed from the treatment liquid again. Secondly, the kinematics of the objects should be such that the length of the individual treatment containers and thus also the length of the entire system remains as short as possible.
  • Object of the present invention is to design a system of the type mentioned so that a constant as possible course of the required drive force over the entire pivoting process can be realized.
  • the power transmission device comprises:
  • At least one roller whose axis of rotation is arranged parallel to the pivot axis of the pivot arm spaced therefrom and is connected directly or indirectly fixedly to the pivot arm and during translational movement of the body rolls on its inclined surface and thereby pivots the pivot arm about its pivot axis.
  • a kind of slotted guide which has the form of a specially curved, inclined surface of a body on which the roller runs with minimal friction losses, via which the driving force is transmitted to the swivel arm.
  • the special curvature profile of the inclined surface compensates to a considerable extent for the torque which is exerted on the swivel arm by the weight of the total load to be a function of the swivel angle, in particular a sine function.
  • the required driving force is always almost constant over the entire swing path. This has the advantage that the drive means can be optimally dimensioned. About the degree of inclination of the inclined surface, the translation between the lifting force and the driving force can be specified.
  • the curvature profile of the inclined surface may be predetermined depending on the load, the driving force and the initial position of the roller on the inclined surface with respect to the pivot axis. This has the great advantage that an optimal compensation of the swivel angle dependence of the load torque is achieved.
  • a guide surface for guiding the Be arranged roller whose profile substantially corresponds to the inclined surface.
  • the roller can be connected via a pivot lever with the pivot arm.
  • the wedge and the roller can be accommodated at a distance from the pivoting arm.
  • the wedge and the roller can be arranged protected from a treatment liquid laterally of the treatment container.
  • the treatment liquid within the treatment tank, including the paint, can be so aggressive that the roller and the drive means of this treatment liquid should not be exposed.
  • the swivel arm can be made so insensitive that it is not damaged by the treatment liquid.
  • the transport device can be a rolling or sliding transport vehicle.
  • a rolling trolley the friction losses are lower, whereas a sliding trolley is less prone to aggressive handling fluids in particular.
  • the holder can be articulated on the swivel arm. In this way, the article can be additionally pivoted relative to the pivot arm. It can thus also be held in a certain orientation in the room when the swivel arm is pivoted.
  • the swing arm may cooperate with a weight balancer that can reduce the force required to pivot the swing arm.
  • the weight compensating device comprises an energy store which is able to temporarily store the energy released when the object is lowered, in particular by elastic deformation of a medium and from which the temporarily stored energy is reduced - Supporting the upward movement of the object is retrievable.
  • the pivot arm can carry a balance weight, whereby the driving force, which is required for pivoting the pivot arm, is further reduced.
  • Figure 1 schematically shows an isometric view of a system for dip painting vehicle bodies with a transport device whose pivot arms are raised;
  • Figure 2 schematically shows the system of Figure 1 with lowered pivot arms
  • FIG. 3 is a schematic side view of the installation from FIG. 2;
  • Figure 4 schematically shows the system of Figure 1 in side view
  • Figure 5 schematically shows the transport device of Figure 1 in plan view
  • Figure 6 schematically shows the transport device of Figure 1 in the rear view
  • FIG. 7 schematically shows the transport device of Figure 1 in side view
  • FIG. 8 is a schematic detail of the transport device from FIG. 1 in an isometric view
  • FIG. 9 schematically in detail the transport device of Figure 2 in isometric view
  • FIGS. 1 to 9 show a first exemplary embodiment of a system, indicated overall by the reference numeral 10, for the cataphoretic dip painting of vehicle bodies (not shown).
  • the plant 10 comprises a treatment tank 12, in the figures 1 to 4 below, which is filled up to a certain level with a not shown treatment liquid.
  • a trolley 14 which leads the vehicle bodies through the system 10.
  • the trolley 14 has a further described below chassis 16, with which he in a known manner in the direction of an arrow 18 along the path of movement of the vehicle bodies, in Figures 1 and 2 from the left top to bottom right or in Figures 3 and 4 from left to right, is movable.
  • the trolley 14 has two in the direction of movement 18 extending longitudinal beams 20, at the bottom of each two double wheels, not shown, are rotatably mounted about a horizontal axis.
  • the double wheels are located under corresponding recesses 22 in the direction of movement 18 front or rear of the longitudinal beams 20.
  • the double wheels with
  • the double wheels roll on corresponding running surfaces, not shown.
  • the treads are mounted on two known, parallel I-profile beams, which are mounted to extend in the direction of movement 18.
  • the I-profile girders are supported by a steel construction, not shown.
  • the double wheels are guided in a known manner so that they follow the course of the treads.
  • the double wheels of the trolley 14 are not driven by themselves.
  • the forward drive of the trolley 14 is rather on separate known, also not shown press roller drives.
  • the two longitudinal beams 20 are connected to each other by a shaft 24 which is perpendicular to the direction of movement 18 and is mounted at the top of the two longitudinal beams 20.
  • two parallel pivot arms 26 are mounted in a rotationally fixed manner, at whose ends remote from the shaft 24, a tab (not shown) is drivably mounted in a drivable manner in a known manner via a geared motor (not shown).
  • the remote from the pivot arms 26 ends of the tabs are connected in a known, not shown manner by a perpendicular to the direction of movement 18 cross-beam, which in turn is rigidly connected to the middle region of a support platform also not shown for the vehicle body.
  • the right end area of the shaft 24 in the direction of movement 18 is connected to a power transmission device 30, with the pivoting of the pivot arms 26 in a manner described below a driving force whose direction in the figures 2, 3 and 9 by an arrow F A is indicated, can be transferred to the pivot arms 26 of a Schwenkarmantrieb, not shown.
  • the length of the arrow F A is not related to the amount of driving force.
  • the power transmission device 30 is constructed as follows: It includes one with the Schwenkarmantrieb
  • the wedge 32 is located on the outside in the direction of movement 18 left longitudinal beam 20 facing away from the outside of the right longitudinal beam 20.
  • the wedge 32 has approximately the profile of a right triangle, which extends perpendicular to the shaft 24.
  • a catheter defining the lower side of the wedge 32 runs in the direction of movement 18.
  • the wedge 32 is guided on a wedge guide, which is indicated by two guide bodies 34 which are fastened laterally to the outer side of the right longitudinal crosspiece 20 and allow a straight guide of the wedge 32.
  • the hypotenuse of the triangle defines the top of the wedge 32.
  • the wedge 32 has a surface 36 inclined to the direction of movement 18.
  • the inclined surface 36 is concavely curved as seen from above.
  • the wedge 32 is furthermore connected to a closed drive chain (not shown), which extends along the right-hand longitudinal traverse 20 between the recesses 22 and is deflected in the region of the recesses 22 via an unillustrated sprocket.
  • a closed drive chain (not shown), which extends along the right-hand longitudinal traverse 20 between the recesses 22 and is deflected in the region of the recesses 22 via an unillustrated sprocket.
  • One of the sprockets is driven by a corresponding gear through an electric motor.
  • a roller 38 On top of the inclined surface 36 is located on a roller 38 which is rotatably mounted at the end of a pivot lever 40.
  • the axis of rotation 42 of the roller 38 is parallel to the axis the shaft 24.
  • the pivot lever 40 in turn is fixedly connected to the end portion of the shaft 24, which thus forms its pivot axis, and extends parallel to the pivot arms 26th
  • the roller 38 is pressed by the load, whose direction is indicated by arrows F N , against the inclined surface 36, which consists essentially of the weight of the vehicle body, these supporting components and the pivot arms 26 and the pivot arms 26th attacking transmitted via the shaft 24 and the pivot lever 40.
  • the length of the arrows F N is not related to the amount of the load.
  • the curvature profile of the inclined surface 36 is dependent on the load F N , the driving force F ⁇ and the initial position of the roller 38 on the inclined surface 36 with respect to the pivot axis of the pivot lever 40, so the axis of the shaft 24, given such that the ratio the required drive force F a to the payload F N is constant in particular during the pivoting of the pivot arms 26 during the entire pivoting process.
  • the pivoting process can then be realized with a constant motor torque of the swivel arm drive during the entire swiveling operation. At constant translational drive speed of the wedge 32 and the vertical lifting speed for the vehicle body is then constant.
  • the translation of the driving force F A to the payload F N and the maximum lifting height are by the inclination of the inclined surface 36 and its extension in the direction of movement 18 of the wedge 32 and thus its maximum displacement range and the lengths of the pivot lever 40 and the Swivel arms 36 are predetermined and can be changed by varying these parameters.
  • the required curvature profile can be calculated using a suitable algorithm.
  • suitable equations are explained in more detail below with reference to a second embodiment of a system.
  • FIG. 10 shows a non-scale kinematic model of a power transmission device 130 of the second exemplary embodiment similar to the power transmission device 30 of the first exemplary embodiment described in FIGS. 1 to 9. Those elements which are similar to those of the first embodiment are given the same reference numerals plus 100.
  • the pivot lever 140 is arranged here in a different orientation to the shaft 124 than is the case in the first embodiment.
  • the wedge 132 ⁇ is shown in dashed lines in Figure 10 right in an initial position in which the pivot arm 126 ⁇ is lowered. In the initial position, the roller 138 'is at the foot of the inclined surface 136 *. On the left, the same wedge 132 is shown in a position with a slightly raised pivoting arm 126; the roller 138 is located here in a nearer area on the inclined surface 136 of the wedge 132.
  • the following equations are suitable for calculating the specific curvature profile of the inclined surface 136, in order to enable a constant driving force F A over the entire stroke-related or pivoting process:
  • X ⁇ and Y ⁇ are the coordinates of the points to be calculated on the curve profile of the wedge 132 in a Cartesian coordinate system.
  • the zero point of the coordinate system lies in the pivot axis 124 of the pivot lever 140, which is identical to that of the pivot arm 126.
  • each transport carriage 14 includes its own carriage control, under the regime of which it controls both its translational movement along the running surfaces and the pivotal movements of the pivoting arms 26; 126 and carries the support platform.
  • the overall movement of the support platform and the vehicle body held thereon results from a superimposition of the linear translational movement of the transport vehicle 14, a first pivoting movement, which the
  • Pivoting arms 26; 126 opposite the longitudinal beams 20; 120 perform and which is associated with a raising or lowering of the vehicle body, and a second pivoting movement, which is located on the support platform vehicle body relative to the pivot arms 26; 126 executes. All of these types of movements can be carried out completely independently of one another, which leads to virtually any motion kinematics of the vehicle body.
  • a guide surface for guiding the roller arranged, whose profile substantially corresponds to the inclined surface.
  • the guide surface guides the roller if the pivot arms and thus the roller would be relieved and otherwise lose contact with the wedge. This comes, for example, Example, when the vehicle body is raised from the outside.
  • the pivot arms cooperate with a weight compensating device, with which the driving force required for pivoting the pivot arms can be reduced.
  • the weight compensation device can comprise an energy store, preferably an air-filled bellows and / or a spring, which is able to temporarily store the energy released when the vehicle body is lowered, in particular by elastic deformation of a medium and from which the buffer is stored Energy to support the upward movement of the vehicle body is retrievable.
  • the pivot arms can carry a balance weight which compensates for the weight of the vehicle body.
  • the invention is not limited to systems 10 for the cataphoretic dip painting of vehicle bodies. Rather, it can also be used in other types of equipment for treating objects in which the to be treated objects with a comparable kinematics are guided through the system.
  • a plurality of treatment containers 12 in the direction of movement 18; 118 of the trolley 14 may be arranged one behind the other, in which preferably different treatments can be performed on the vehicle body.
  • a multiplicity of transport carriages 14 can be provided which continuously or clocked one behind the other a plurality of vehicle bodies in the direction of movement 18; 118 transport.
  • the power transmission device 30; 130 carrying longitudinal beam 20; 120 may be formed as a box profile, which is above in the sliding region of the wedge 32; 132 has a slot through which the wedge 32; 132 protrudes and the one translational displacement of the wedge 32; 132 allows.
  • the roller 38; 138 may take place via the pivot lever 40; 140 and the shaft 24; 124 with the pivot arms 26; 126 also be connected directly to the pivot arm 26; 126 attached.
  • the inclined surfaces can be located on another side of the wedge, for example a lower side, and the roller can roll from this side, in the example from below, on the inclined surface and be connected to the pivoting arm via a suitable deflection device.
  • brackets for the support platform instead hinged and pivotally fixed to the pivot arms 26; In this case, the corresponding degree of freedom of movement is eliminated.
  • pivot arms 26; 126 and the brackets can instead of independently with a common drive be drivable together or separately from each other, for example via a clutched transmission.

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  • Platform Screen Doors And Railroad Systems (AREA)
  • Handcart (AREA)

Abstract

L'invention concerne une installation (10) en particulier pour la peinture par immersion cataphorétique d'objets. Un dispositif de transport (14) doté d'un train de roulement mobile (16) conduit les objets dans l'installation (10) et les amène ainsi à entrer et sortir d'un récipient de traitement (12) en les sollicitant par un liquide de traitement. Sur le train de roulement (16) est articulé au moins un bras pivotant (26) qui présente au moins un support pour les objets. Au moins un dispositif (30) de transfert de force est prévu pour transmettre une force d'entraînement (F<SUB>A</SUB>) au bras pivotant (26) en vue de faire pivoter le bras pivotant (26). Le dispositif de transfert de force présente au moins un corps (32) qui peut être déplacé en translation par l'entraînement et qui présente au moins une surface (36) inclinée par rapport à sa direction de déplacement (18) et courbée de manière concave par rapport à l'extérieur. Au moins un galet (38) dont l'axe de rotation (42) est disposé parallèlement à l'axe de pivotement (24) du bras pivotant (26) et à distance de ce dernier est relié solidairement de manière directe ou indirecte au bras pivotant (26). Lorsque le corps (32) se déplace en translation, ce galet roule sur sa surface inclinée (36) dans la direction de la pente et fait ainsi pivoter le bras pivotant (26) autour de son axe de pivotement (24).
PCT/EP2007/005565 2006-08-17 2007-06-25 installation de traitement d'objets, en particulier en vue de leur peinture par immersion cataphorétique Ceased WO2008019727A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006038684.1 2006-08-17
DE200610038684 DE102006038684B4 (de) 2006-08-17 2006-08-17 Anlage zum Behandeln, insbesondere zum kataphoretischen Tauchlackieren, von Gegenständen

Publications (1)

Publication Number Publication Date
WO2008019727A1 true WO2008019727A1 (fr) 2008-02-21

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PCT/EP2007/005565 Ceased WO2008019727A1 (fr) 2006-08-17 2007-06-25 installation de traitement d'objets, en particulier en vue de leur peinture par immersion cataphorétique

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Country Link
DE (1) DE102006038684B4 (fr)
WO (1) WO2008019727A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8445836B2 (en) 2010-03-04 2013-05-21 Raytheon Company System for maintaining an even temperature distribution across a laser detector
CN115467002A (zh) * 2022-10-17 2022-12-13 安徽鑫发铝业有限公司 一种幕墙铝型材表面加工工艺

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011101278B4 (de) * 2011-05-12 2017-01-26 Eisenmann Se Anlage zum Behandeln, insbesondere zum kataphoretischen Tauchlackieren von Gegenständen, insbesondere von Fahrzeugkarosserien
AT514190B1 (de) * 2013-03-15 2021-04-15 Automotive Eng Corp Vorrichtung und Verfahren zum Tauchlackieren großer Karosserien

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570746A (en) * 1948-09-08 1951-10-09 Brunner Verzinkerei Bruder Bab Galvanizing apparatus
US2657666A (en) * 1948-03-17 1953-11-03 Carrier Engineering Co Ltd Apparatus for liquid treatment of vehicle bodies
DE10210941A1 (de) * 2002-03-13 2003-10-16 Eisenmann Kg Maschbau Anlage zum Behandeln, insbesondere zum kataphoretischen Tauchlackieren, von Gegenständen, insbesondere von Fahrzeugkarosserien
JP2003340349A (ja) * 2002-05-28 2003-12-02 Honda Motor Co Ltd 塗装ハンガ回転装置
US20040149542A1 (en) * 2003-01-24 2004-08-05 Hisashi Kyotani Conveyance method and apparatus for processing step

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10103837B4 (de) * 2001-01-29 2005-09-29 EISENMANN Fördertechnik GmbH & Co. KG Anlage zum Behandeln, insbesondere zum Lackieren von Gegenständen, insbesondere von Fahrzeugkarosserien

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657666A (en) * 1948-03-17 1953-11-03 Carrier Engineering Co Ltd Apparatus for liquid treatment of vehicle bodies
US2570746A (en) * 1948-09-08 1951-10-09 Brunner Verzinkerei Bruder Bab Galvanizing apparatus
DE10210941A1 (de) * 2002-03-13 2003-10-16 Eisenmann Kg Maschbau Anlage zum Behandeln, insbesondere zum kataphoretischen Tauchlackieren, von Gegenständen, insbesondere von Fahrzeugkarosserien
JP2003340349A (ja) * 2002-05-28 2003-12-02 Honda Motor Co Ltd 塗装ハンガ回転装置
US20040149542A1 (en) * 2003-01-24 2004-08-05 Hisashi Kyotani Conveyance method and apparatus for processing step

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8445836B2 (en) 2010-03-04 2013-05-21 Raytheon Company System for maintaining an even temperature distribution across a laser detector
CN115467002A (zh) * 2022-10-17 2022-12-13 安徽鑫发铝业有限公司 一种幕墙铝型材表面加工工艺

Also Published As

Publication number Publication date
DE102006038684A1 (de) 2008-02-28
DE102006038684B4 (de) 2008-07-10

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