EP0377543A1 - Vorrichtung und Verfahren zum Behandeln von verschiedenen Stücken oder Gegenständen durch Tauchen - Google Patents

Vorrichtung und Verfahren zum Behandeln von verschiedenen Stücken oder Gegenständen durch Tauchen Download PDF

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Publication number
EP0377543A1
EP0377543A1 EP90420003A EP90420003A EP0377543A1 EP 0377543 A1 EP0377543 A1 EP 0377543A1 EP 90420003 A EP90420003 A EP 90420003A EP 90420003 A EP90420003 A EP 90420003A EP 0377543 A1 EP0377543 A1 EP 0377543A1
Authority
EP
European Patent Office
Prior art keywords
cradle
basket
axis
cover
rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP90420003A
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English (en)
French (fr)
Inventor
André Grandvincent
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.)
A RESPONSABILITE SAONE INDUSTRIE Ltee Ste
Original Assignee
A RESPONSABILITE SAONE INDUSTRIE Ltee Ste
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 A RESPONSABILITE SAONE INDUSTRIE Ltee Ste filed Critical A RESPONSABILITE SAONE INDUSTRIE Ltee Ste
Publication of EP0377543A1 publication Critical patent/EP0377543A1/de
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
    • B05C3/04—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
    • B05C3/04—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material
    • B05C3/08—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material the work and the liquid or other fluent material being agitated together in a container, e.g. tumbled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
    • B05C3/09—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating separate articles

Definitions

  • the present invention relates to the technical field of surface treatment of various parts or objects by dipping in an appropriate reactive medium.
  • the invention relates, more particularly, to the passivation of metal parts, without the means which constitute it being, solely, reserved for this application.
  • the invention finds a preferred application in the passivation of surfaces of parts made of a more specifically ferrous material following the process of protection by zinc plating.
  • the process of galvanizing metal parts involves passing these parts through a steaming oven aimed at removing the hydrogen introduced during the zincing phase.
  • a subsequent step aims, then, to execute a passivation operation aimed at producing a protective coating of the zinc on the surface. After this operation, the parts are normally spun.
  • the implementation of the traditional process involves, after steaming, the deposition of the parts in a soaking basket in a passivation bath. A certain bubbling or stirring can be maintained so that passivation occurs over the entire surface of the parts, whatever the conformation of the latter.
  • the soaking basket is placed in the wringer responsible for removing, by centrifugation, the excess of passivation product not yet adhering to the surface.
  • Soaking is usually done manually or pseudo-manual, under conditions which involve variable mixing and difficult, if not impossible, control of the real soaking time.
  • the recovery operations are responsible for the appearance on the surface of weakening marks or scratches and, more frequently, locally destroying the protective film that the process precisely aims to establish.
  • the present invention aims, precisely, to remedy the above drawbacks by proposing a processing machine making no modification to the known process, but offering the possibility of carrying out, in a better controlled succession, the different passivation stages occurring after steaming. .
  • An objective of the invention is to ensure the reliability of the process, in particular, by precise and reproducible compliance with the duration of the different phases of the process, which represent determining factors of quality.
  • Another objective is to allow precise control of time making it possible to automate the process with a view to eliminating permanent or temporary contact of the personnel with the reactive medium or media used.
  • Another objective is to precisely control the mixing of the parts or objects with a view to carrying out a reproducible uniform treatment.
  • Yet another objective of the invention is to propose a treatment method designed to avoid the risks of deterioration of surfaces of the treated parts and to be specially implemented with the above machine.
  • the machine for dipping parts or various objects comprising: . a support frame supporting a tank containing a treatment product, . a cradle mounted to rotate and capable of containing a basket, . motorization means carried by the chassis to move the cradle, is characterized in that: the chassis defines a support plane on the upper edge of the tank and comprises two bearings aligned along a lowered axis of rotation relative to the support plane, the cradle is mounted to rotate in the bearings and is moved by the motor means on the axis of rotation of the bearings, - the axis of symmetry of the basket is perpendicular to the axis of rotation, - Means for controlling a cover, pivoting on the cradle and able to open or close the basket, are provided on said machine.
  • the soaking treatment machine according to the invention is intended to be used in combination with a tank 1 of any suitable material, containing a suitable treatment product 2 reaching a filling level, such as N.
  • the machine designated as a whole by the reference 3 comprises a chassis 4 delimiting or materially defining a support plane 5 intended to rest on the upper edge 6 of the container 1.
  • the upper edge 6 may be constituted by supports, such as 7 illustrated in FIG. 3 or, also, by the upper edges of the walls of the container 1. Centering means, such as 8, can be provided to ensure cooperation and immobilization between the chassis 4 and the upper edge 6.
  • the chassis 4 comprises, from its support plane 5, means 9 for suspending two bearings 10 which are aligned according to a horizontal reference, through which the vertical plane of symmetry PP ′ of the chassis passes.
  • the suspension means 9 may be constituted by rigid members or, alternatively, by conformations of the hanging chair type, capable of receiving plain or rolling bearings which are reserved for mounting a cradle 11 of the open type.
  • the cradle 11 is constituted by a frame comprising, for example, two uprights 12 , a beam 13 and at least one cross member 14 , from the ends of which two centering fittings 15 rise.
  • the cradle 11 is mounted in the bearings 10 , by means of two non-visible half-axes which are carried by the uprights 12 .
  • the bearings 10 define, for the cradle 11 , an axis of rotation xx ′ horizontal which is lowered relative to the support plane 5 , so as to be disposed inside the tank 1 when the chassis 4 rests on the edge higher 6 .
  • the axis of rotation xx ′ of the cradle 11 is also lowered, so as to be located, generally, below the usual filling level N of the tank 1 with treatment liquid.
  • the cradle 11 is intended to support a wringer basket 16 , of the perforated or otherwise formed type, such as in a mesh network.
  • a cylindrical type structure, open on top and comprising reinforcing hoops or belts 17 is usual for the constitution of the basket 16 whose axis of symmetry or, more generally, of revolution yy ′ is perpendicular to the support plane 5 and to the axis of rotation xx ′ which it crosses.
  • the basket 16 is produced in an identical manner or similar to the baskets of wringing machines, which are adapted so that their axis yy ′ coincides with the axis of rotation of the wringing means by centrifugation.
  • the cradle 11 is made to allow the reception of a basket 16 of a wringing machine.
  • the machine comprises means 20 for rotating the cradle 11 on the axis xx ′ .
  • Such means 20 may, for example, comprise a motor member 21 , of the geared motor type, preferably electric.
  • the gear motor 21 is mounted on a fifth wheel 22 of the chassis 4 , preferably located, at least in part, outside the perimeter of the tank 1 .
  • the motor 21 has an output shaft 23 connected by a reduction gear 24 to the cradle 11 .
  • This transmission 24 can be of different suitable natures and, for example, be composed of toothed wheels or toothed pulleys, linked together by chain or toothed belt.
  • the transmission 24 comprises a pinion 25 wedged on the output shaft 23 and permanently meshing with a large wheel 26 adapted on the cradle 11 by means, in particular, of a plate 27 fixed on the upright 12 located closest to harness 22 .
  • the geared motor 21 is preferably of the double direction of rotation type and its supply is controlled by a programmable automaton, or by any other equivalent means making it possible to store an operating cycle with variable sequences adapted according to the treatment process. to drive.
  • the machine according to the invention furthermore comprises means 30 for controlling the opening or closing of a cover 31 capable of cooperating with the open top of the basket 16 .
  • the cover 31 is removably adapted on a spar 32 mounted, by a hinge 33 , on the upright 12 of the cradle 11 located closest to the fifth wheel 22 .
  • the spar 32 comprises a bridge or a handle 34 rising vertically, in the closed horizontal position of the cover 31 , to cooperate with a hook 35 formed by a transmission 36 interposed between the bridge 34 and a geared motor 37 fixed on the harness 22 .
  • the hook 35 occupies, in the closed position of the cover, a position such that it is placed by its opening in coincidence with the plane of rotation of the trigger guard 34 .
  • the transmission 36 is, for example, of the articulated type and can comprise an arm 38 adapted by two articulations on two branches 39 and 40 of a deformable quadrilateral, constituting the articulated transmission.
  • the branch 39 is articulated on the chassis 4
  • the second branch 40 is fixed, angularly and axially, to the output shaft 41 of the motor 37 .
  • the means 36 are coupled to means 42 for locking the cover 31 in a closed position of the basket 16 .
  • These locking means 42 may include, as illustrated in FIG. 4 , a rod 43 slidably mounted in bearings or the like 44 provided inside the side member 32 .
  • the rod 43 is made integral by its end directed towards the harness 22 , of a stirrup 45 outside the spar 32 and guided on the latter.
  • the stirrup 45 carries the trigger guard 34 and undergoes the permanent action of a spring 46 acting in the direction of the arrow f1 .
  • the stirrup 45 is extended downwards by a plate 47 capable of cooperating with the axis 33 .
  • the rod 43 has, opposite the stirrup 45 , a tip 48 intended, under the action of the spring 46 , to penetrate into a hole 49 of the upright 12 when the cover occupies the closed position according to FIG. 1, 2 or 3 .
  • the length of the rod 43 is provided so that, in this position, shown more clearly in FIG. 4 , the plate 47 is located at a distance from the axis 33 .
  • the end piece 48 is designed to assume, in addition to the locking function in the closed position of the cover 31 , a function for controlling the locked position and counting by cooperating with a detector 50 , such as a position sensor, whose output is connected to the automaton for managing the different sequences of the machine operating cycle, which takes place as follows.
  • a detector 50 such as a position sensor
  • a basket 16 filled with parts or objects to be treated, for example up to the level shown in dashed lines, is deposited in the cradle 11 to bear, by its base, on the spider formed by the beam 13 and the cross member 14 .
  • the basket 16 is centered, by means of belts or hoops 17 , at least between the fittings 15 and also by cooperation, preferably with spacers 15 a attached removably or definitively to the internal faces of the side members 12 .
  • the gear motor 37 is then supplied so as to rotate in the direction of the arrow f2 to control, via the branch 40 , the transmission 36 in the direction of the arrow f3 .
  • the arm 38 then pushes the bridge 34 which pivots the cover 31 on the articulation 33 .
  • the cover 31 pivots in the direction of the arrow f4 and comes to bear on the top of the basket 16 to ensure its closing, as illustrated in FIG. 1 .
  • the final closure is completed by the entry into action of the means 42 , via the transmission 36 which, at the end of the race, releases the trigger guard 34 and the rod 43 which slides in the bearings 44 by the action of the spring. 46 .
  • the end piece 48 enters the hole 59 and locks the cover 31 in the closed position of the basket 16 .
  • the presence of the end piece 48 is detected by the sensor 50 which initializes the start of the running of an operating cycle of the machine.
  • the gear motor 21 is then supplied to rotate the cradle, for example in the direction of the arrow f5 ( fig. 2 ). Closing the cover 31 immobilizes the basket 16 on the cradle in which the basket is kept centered, as said above.
  • the rotation of the cradle in the direction of the arrow f5 therefore causes the various parts to be soaked in the liquid or treatment medium 2 with the effect of bubbling and stirring resulting from the movement imposed on the parts or objects to be treated inside the basket 16 by the rotation of the cradle 11 .
  • Each rotation, in the direction of arrow f5 is counted up or down, via the sensor 50 , to inform the automaton of the appropriate course of the soaking cycle, the duration of which is, of course, appreciated by the number of revolutions carried out, taking into account the angular speed of rotation and the residence time of the parts inside the tank depending on the height of level N.
  • the automaton is, of course, appreciated by the number of revolutions carried out, taking into account the angular speed of rotation and the residence time of the parts inside the tank depending on the height of level N.
  • the programmable automatic controller maintains the power supply to the geared motor 21 so that the cradle 11 can travel an angular range greater than that of the natural collapse of the mass of parts contained in the basket.
  • This angular range is generally close and most often greater than 45 o with respect to the vertical occupied by the axis yy ′ of the basket.
  • the automaton most often with a anticipation factor, stops the rotation of the cradle 11 and then controls the reverse supply of the gear motor 21 so as to bring the cradle 11 back at slow speed as far as the stable reference position of fig. 1 .
  • the parts contained in the basket are assuredly arranged and ordered in such a way that the load which they represent is distributed in the basket without creating a localized mass capable of causing a subsequent imbalance.
  • the cradle 11 is thus returned to its stable original position, illustrated in FIG. 2 , in which the basket dips again in the treatment liquid 2 .
  • the programmable automaton supplies the gear motor 37 , so as to control, by the transmission 36 , the opening of the cover 31 .
  • This opening begins with the action of the hook 35 on the bridge 34 which causes the rod 43 to move back in order to release the end piece 48 from the hole 49 .
  • the sliding of the rod takes place against the action of the spring 46 until the plate 47 is supported. on axis 33 .
  • the cover 31 opens by pivoting on the axis 33 .
  • the basket 16 can then be removed while retaining its stable position keeping the various superimposed parts in the initial state.
  • the basket 16 ensures the transport of these parts to the wringing machine where it is adapted according to the same orientation of its axis yy ′ to allow the elimination by centrifugation of the excess of treatment product.
  • the machine according to the invention makes it possible to eliminate the various recovery operations from the steaming sequence, since the parts are loaded in a basket 16 used for soaking and spinning. Such a machine therefore makes it possible to eliminate the manipulations and, consequently, to lower the cost of the process.
  • the machine also makes it possible to automate and adjust the soaking sequence by precisely controlling the duration of immersion by means of the number of revolutions imposed on the cradle 11 . This results in the possibility of performing repetitive treatments of the same quality for different batches of identical parts.
  • Controlling the duration of the process sequences makes it possible to automate its progress and avoid putting staff in frequent contact with the treatment product.

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Fiber Materials (AREA)
EP90420003A 1989-01-04 1990-01-03 Vorrichtung und Verfahren zum Behandeln von verschiedenen Stücken oder Gegenständen durch Tauchen Withdrawn EP0377543A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8900177A FR2641203B1 (fr) 1989-01-04 1989-01-04 Machine de traitement par trempage de pieces ou objets divers
FR8900177 1989-01-04

Publications (1)

Publication Number Publication Date
EP0377543A1 true EP0377543A1 (de) 1990-07-11

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EP90420003A Withdrawn EP0377543A1 (de) 1989-01-04 1990-01-03 Vorrichtung und Verfahren zum Behandeln von verschiedenen Stücken oder Gegenständen durch Tauchen

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EP (1) EP0377543A1 (de)
FR (1) FR2641203B1 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601012A (zh) * 2011-01-21 2012-07-25 刘芝庆 一种新型的真空纳米技术涂膜设备
CN106694312A (zh) * 2017-02-28 2017-05-24 贾建胜 一种家用净水器生产用密封圈润滑装置
FR3047256A1 (fr) * 2016-02-01 2017-08-04 Alexandra Griggs Systeme pour preserver une ou plusieurs pieces de la corrosion
CN109338344A (zh) * 2018-11-07 2019-02-15 深圳市晨凯机械设备有限公司 一种倾斜翻滚装置
CN110092595A (zh) * 2019-06-03 2019-08-06 马鞍山市润祥复合材料有限公司 一种可提高浸润的质量的玻璃纤维浸润装置
CN112742674A (zh) * 2021-02-20 2021-05-04 双威液压工业（芜湖）有限公司 液压管件防锈设备及其操作方法
CN115305428A (zh) * 2022-08-15 2022-11-08 牛小龙 一种配电电力线槽加工设备及加工工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106862001A (zh) * 2017-04-06 2017-06-20 福建盈浩工艺制品有限公司 一种用于圣诞球的滚涂装置及滚涂方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1158382A (fr) * 1956-10-12 1958-06-13 Installation de décapage à tambour
FR2400966A1 (fr) * 1977-08-23 1979-03-23 Huebers & Meier Appareil d'impregnation muni d'une essoreuse et procede d'impregnation sous vide
US4325320A (en) * 1978-11-09 1982-04-20 Japan Envirotic Industry Co., Ltd. Apparatus employed in surface treatment
DE3230108A1 (de) * 1982-08-13 1984-02-16 WMV-Apparatebau Alois Müller, 5227 Windeck Verfahren zum oberflaechenbeschichten von kleinteilen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1158382A (fr) * 1956-10-12 1958-06-13 Installation de décapage à tambour
FR2400966A1 (fr) * 1977-08-23 1979-03-23 Huebers & Meier Appareil d'impregnation muni d'une essoreuse et procede d'impregnation sous vide
US4325320A (en) * 1978-11-09 1982-04-20 Japan Envirotic Industry Co., Ltd. Apparatus employed in surface treatment
DE3230108A1 (de) * 1982-08-13 1984-02-16 WMV-Apparatebau Alois Müller, 5227 Windeck Verfahren zum oberflaechenbeschichten von kleinteilen

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601012A (zh) * 2011-01-21 2012-07-25 刘芝庆 一种新型的真空纳米技术涂膜设备
FR3047256A1 (fr) * 2016-02-01 2017-08-04 Alexandra Griggs Systeme pour preserver une ou plusieurs pieces de la corrosion
WO2017134380A1 (fr) * 2016-02-01 2017-08-10 Griggs Alexandra Systeme pour preserver une ou plusieurs pieces de la corrosion
CN106694312A (zh) * 2017-02-28 2017-05-24 贾建胜 一种家用净水器生产用密封圈润滑装置
CN109338344A (zh) * 2018-11-07 2019-02-15 深圳市晨凯机械设备有限公司 一种倾斜翻滚装置
CN110092595A (zh) * 2019-06-03 2019-08-06 马鞍山市润祥复合材料有限公司 一种可提高浸润的质量的玻璃纤维浸润装置
CN110092595B (zh) * 2019-06-03 2023-09-29 马鞍山市润祥复合材料股份有限公司 一种可提高浸润的质量的玻璃纤维浸润装置
CN112742674A (zh) * 2021-02-20 2021-05-04 双威液压工业（芜湖）有限公司 液压管件防锈设备及其操作方法
CN115305428A (zh) * 2022-08-15 2022-11-08 牛小龙 一种配电电力线槽加工设备及加工工艺
CN115305428B (zh) * 2022-08-15 2023-12-26 润世达工程有限公司 一种配电电力线槽加工设备及加工工艺

Also Published As

Publication number Publication date
FR2641203A1 (fr) 1990-07-06
FR2641203B1 (fr) 1991-05-24

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