EP3485989A1 - Suction device for a viscous product - Google Patents

Suction device for a viscous product Download PDF

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Publication number
EP3485989A1
EP3485989A1 EP18204944.5A EP18204944A EP3485989A1 EP 3485989 A1 EP3485989 A1 EP 3485989A1 EP 18204944 A EP18204944 A EP 18204944A EP 3485989 A1 EP3485989 A1 EP 3485989A1
Authority
EP
European Patent Office
Prior art keywords
opening
suction
nozzle
pipe
suction device
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.)
Granted
Application number
EP18204944.5A
Other languages
German (de)
French (fr)
Other versions
EP3485989B1 (en
Inventor
Christophe Guesdon
Julien Henin
Fabrice Hermetz
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.)
PSA Automobiles SA
Original Assignee
PSA Automobiles SA
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 PSA Automobiles SA filed Critical PSA Automobiles SA
Publication of EP3485989A1 publication Critical patent/EP3485989A1/en
Application granted granted Critical
Publication of EP3485989B1 publication Critical patent/EP3485989B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
    • B08B9/0551—Control mechanisms therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
    • B08B9/0552—Spherically shaped pigs

Definitions

  • the invention relates to a suction device for a viscous and / or pasty product such as an automotive body sealant,
  • a sealing material is used in order to guarantee the tightness of a joint of parts, in particular for the bodywork of a motor vehicle.
  • sealing of the various parts that make up the bodywork of a motor vehicle is therefore ensured by the removal of sealing beads, made from a sealing material such as a sealant, pasty mixture and adhesive which can be applied directly to the joining of body parts.
  • a device for smoothing a sealing bead capable of smoothing by full suction of the sealing beads, capable of adapting to a robotic arm, for the purpose of automating its manipulation and which comprises a suction nozzle connected to a suction system, the nozzle comprising a smoothing wedge extending therein.
  • a device comprises a surplus material recovery tank suction suction cord, the recovery tank being connected to the nozzle by means of a primary pipe while the recovery tank is connected to the suction system by means of a secondary pipe.
  • Such a device makes it possible to flatten by the wedge projecting from the endpiece a sealing bead which has been deposited on a bodywork part, while sucking the excess material of the bead, formed during the smoothing.
  • WO 2011083012 a method of removing surplus of an adhesive during the assembly of two elements, wherein an adhesive is applied to the joining zone of one of the two elements.
  • the surplus of the adhesive is removed by means of a suction device comprising a nozzle, connected to a suction system.
  • the nozzle comprises a cylindrical tip adapted to suck the excess adhesive created.
  • the aspirated material is a viscous material and / or pasty and sticky, it is necessary to provide a cleaning of the suction system.
  • the device makes it possible to recover viscous material, adhesive or putty but clogs very quickly, requiring the implementation of a cleaning.
  • the object of the invention is to provide a viscous material suction device whose maintenance and cleaning is carried out in a simple and quick to implement.
  • the invention relates to a suction device for viscous product, such as a sealing material, comprising a nozzle having a first suction opening of the product, a suction pipe and a tank of recovery, said nozzle having a second opening for its connection to said pipe, characterized in that the nozzle comprises a third opening and removable closure means of said opening.
  • the suction device has a third opening whose section is chosen substantially equal to that of the pipe so that a cleaning member of said pipe can be introduced into the device.
  • closure means when in the open position then release access to the opening and allow the insertion into the suction device of a cleaning member such as a cleaning foam ball by said third opening and this, without the need to remove the nozzle while in the closed position, said closure means keep closed said opening during the suction process.
  • the device according to the invention avoids having to disassemble the suction device to insert cleaning devices manually at an irregular rate to proceed with the cleaning of the suction system.
  • a cleaning method would be incompatible with an aspiration of viscous material robotized where it becomes necessary to regularly clean the pipe containing the viscous material before it clogs too much to keep the suction quality constant while retaining a satisfactory cycle time.
  • a smoothing member such as a smoothing wedge is carried by the suction nozzle, the wedge making it possible to smooth a mastic sealing bead, for example, the nozzle sucking out the excess material.
  • the smoothing wedge is mounted in the nozzle head portion so as to extend across the suction opening, at least its end protruding from the suction opening of the nozzle.
  • suction smoothing in a robotic manner.
  • the suction device is then secured to a robotic arm multiaxis, to follow a sealing bead in a perfect trajectory, quickly and without stopping and in hard to reach places while ensuring a smoothing cord for him give a smooth and burr-free appearance.
  • the nozzle comprises a tubular portion of section substantially equal to the section of the suction pipe and one end of which constitutes the connection opening of the pipe and a part called the nozzle head comprising the suction opening of the product.
  • the part nozzle head has a section which is generally reduced from the near part of the tubular part to the near part of the suction opening.
  • the nozzle may be made in one piece or in two parts (tubular portion and nozzle head portion) connectable to each other.
  • the nozzle has an opening in the wall of its tubular portion, this third opening constituting the opening for introducing a pipe cleaning member into the device.
  • This opening being formed in the tubular portion of the nozzle, the cleaning member is thus introduced into the suction device before connecting to the pipe so that it can be driven into the pipe to clean it.
  • the closure means consist of a ring slidably mounted around the tubular portion between a closed position where the ring masks the opening of the tubular part and an open position where, after sliding of the ring on the part tubular, the ring releases the opening.
  • the ring is held in the closed position by abutment means and an elastic return means opposing the sliding of the ring towards the open position.
  • the nozzle in a second embodiment of the invention, consists of a tubular portion hingedly connected to the nozzle head portion.
  • the introduction opening of a cleaning member is constituted by the end of the tubular portion connected to the nozzle head portion.
  • the nozzle head portion is preferably pivotally mounted on the tubular portion and advantageously forms the closure means of said third opening.
  • the nozzle head portion is pivotally drivable with respect to the tubular portion, between a closed position of said opening in which the nozzle head portion extends in the extension of the tubular portion and is active for the suction and an opening position of said opening in which the nozzle head portion is spaced from the end of said tubular portion by pivoting, thereby releasing the third opening for the insertion of a cleaning member.
  • the nozzle head portion is pivotally mounted about an axis extending perpendicularly to the longitudinal axis of the tubular portion.
  • the nozzle head portion is pivotally mounted about an axis parallel to the longitudinal axis of the tubular portion.
  • the invention also relates to a suction system for a viscous material comprising a suction device as defined above, further comprising a vacuum generator apparatus, a pressure sensor, a vacuum sensor, a vacuum controller, power and emergency stop means and a pre-separator for the recovery tank.
  • the pressure sensor makes it possible to check that the suction system is running and reaches the power sufficient to allow suction of the viscous product.
  • the vacuum sensor is used to check and detect clogging of the pipe during the suction phases as well as wear.
  • the power variator is used to modulate the power depending on the desired type of suction especially in the case of smoothing more delicate sealing beads.
  • the pre-separator is installed on the recovery tank and allows to evacuate there to store the excess.
  • the invention also proposes a suction installation for a viscous, pasty product comprising the suction device according to the invention as well as a dispensing device adapted to insert cleaning members such as bales. cleaning foam in automatic via a bale dispenser, in a simple way.
  • the suction device is used with a cleaning ball dispensing device which has distribution means cooperating with the closure means of the suction device.
  • the invention therefore relates to a suction installation of a viscous product comprising the suction device according to the first embodiment described above, and a cleaning member dispensing device provided with an inlet opening connectable to a reservoir of cleaning members and a dispensing opening to the suction device, removable closing means of said dispensing opening being provided, preferably actuated by the nozzle of the suction device.
  • a vision system making it possible to determine existing offsets between two treated objects, for example two vehicle bodies, and to adjust the trajectory.
  • robot to achieve suction and more precisely a proper smoothing.
  • a vision system comprises for example four fixed cameras and image processing means given from three of these cameras.
  • the suction device comprises a nozzle 1 connected to a suction system, generally comprising a pipe 3 connected to a tank 7a for recovering the excess material.
  • the nozzle 1 also comprises a smoothing wedge 1a inserted into the suction opening of the suction nozzle 1 and which allows the smoothing of a body sealing bead.
  • the nozzle 1 comprises a tubular portion of constant circular section 2 and a nozzle head portion 10.
  • the tubular portion 2 of section substantially equal to the section of the suction pipe 3 has an end opening connected to the pipe of the nozzle system. aspiration.
  • This tubular portion 2 has a third opening 22 which allows to introduce into the suction device a suction pipe cleaning member of the suction system such as a cleaning foam ball B, commonly used in cleaning pipes.
  • a suction pipe cleaning member of the suction system such as a cleaning foam ball B, commonly used in cleaning pipes.
  • the nozzle head portion 10 has a support portion 10a and a wedge portion 10b comprising a body positioned by detachable engagement on the support 10a and which defines the suction opening of the nozzle head portion, in which is mounted a wedge smoothing 1a.
  • the hold 1a can thus be easily and easily replaced by the operator, the wedge portion 10b being releasably engageable on the support portion 10a, which allows its connection to the tubular portion 2 and also facilitates cleaning.
  • the suction device comprises removable closure means of the insertion opening 22.
  • the insertion opening 22 is formed in the wall of the tubular part 2 (cf. Fig. 2 ) and the sealing means consist of a ring 23 slidably mounted on the outer periphery of the tubular portion 2 (cf. Fig. 1 ) between a position where the ring 23 sealingly closes the insertion opening 22 and a position where the opening 22 is accessible.
  • the tubular portion 2 has an annular abutment 24 against which the pipe 3 of the suction system abuts.
  • the closure ring 23 is held in the closed position of the insertion opening 22 under the effect of an elastic return means 25 interposed between said sealing ring 23 and the annular abutment 24.
  • a means resilient return 25 is preferably constituted by a helical spring surrounding the tubular portion 2.
  • a second annular abutment 26 is also provided on the tubular part 2 on the nozzle head part side 10, the closure ring 23 being held there in abutment under the effect of the elastic return means 25 in the closed position.
  • the ring 23 is held in the closed position under the effect of the resilient return means 25 which pushes it against the annular abutment 26 at the nozzle head portion 1 while the opening 22 is accessible by driving the ring 23 into position. sliding against the effect of the elastic return means 25 by driving the sealing ring 23 towards the annular abutment 24 on the pipe side.
  • Such opening of the opening 22 can be operated manually.
  • the operator thus slides the ring 23 to release the opening 22 and introduce a cleaning bullet B, the ring 23 then returning to its closed position, of itself, under the effect of the elastic return means 25.
  • the suction nozzle 1 consists of a tubular portion 21 distinct from the nozzle head portion 11, the insertion opening 220 for a cleaning bullet B being formed by the end of the nozzle tubular part 21 on which is connected the nozzle head portion 11.
  • the nozzle head portion 11 which has a suction opening of section smaller than the section of the tubular portion 21, is pivotally mounted at the end of the tubular portion 21 between a first so-called active position of suction thereby forming means for closing said opening 220 and a second opening position of said orifice 220 where the nozzle head portion 11 is spaced apart from the tubular portion 21, releasing access to the insertion opening 220.
  • a connecting ring 210 is mounted at the end of the tubular portion 21 and a complementary ring 110 is provided on the nozzle head portion 11. In the closed position the tubular portion 21 and the head portion nozzle 11 are in alignment and the connection between tubular portion 21 and nozzle head portion 11 is sealed.
  • the ring 110 of the nozzle head portion 11 is pivotally mounted relative to the ring 210 of the tubular portion 21 .
  • the pivot axis 7 extends perpendicular to the main longitudinal axis X of the tubular portion 21, the nozzle head portion 11 deviating from the tubular portion 21 as can be seen in FIGS. Figures 3a and 3b .
  • the pivot axis 8 is parallel to the main longitudinal axis x of the tubular portion 21 and the pivoting of the nozzle head portion 11 relative to the axis 8 is effected by sliding of the ring 210 of the nozzle head portion 11 against the ring 210 of the tubular portion 21 as can be seen in FIG. figure 4b .
  • the suction device according to the first embodiment of the invention is part of an installation further comprising an automatic cleaning member dispenser such as cleaning foam balls B.
  • the vending machine 30 is connected to a bale container provided with a ball dispensing orifice B to the dispenser 30.
  • the dispenser 30 is arranged to receive a bale B at a time from the reservoir and that it then distributes to the suction and smoothing device.
  • the dispenser 30 is constituted by a parallelepipedal body 31, one face 32 of which is provided with an inlet opening 33 connectable to the tank of balls and allowing the entry of a ball B into the dispenser 30.
  • This body 31 is open on the opposite face to the inlet face 32 and is closed by an insert wall 34 having a dispensing aperture 35 to the smoothing device.
  • In the body 31 are also provided means for closing / opening said dispensing opening 35.
  • the distribution face 34 consists of a wall comprising the dispensing opening 35 and which comprises a wall 34a bordering this opening 35.
  • the wall 34a extends perpendicular to said face 34 and transversely inside the dispenser 30.
  • the inlet opening in the face 32 is aligned with the dispensing opening 35.
  • Removable closure means of the dispensing opening 35 are provided. These removable closure means consist of a housing 40 slidably mounted in the parallelepipedal body 31. This housing 40 has two opposite faces 41, 42 which extend respectively parallel to the face 32 and the face 34 of the body 31. Cross walls 43 and 44 have also provided for the housing 40 and side walls 45 connecting the opposite faces 41, 42.
  • the housing 40 has a length less than the length of the body 31, so that the housing 40 can be slidably driven into the housing. body 31.
  • the two faces 41, 42 are respectively provided with an opening 41a, 42a, but these openings are non-aligned axially.
  • the face 42 of the housing 40 closes the dispensing opening 35, said housing 40 of length less than the length of the body 31 being held in abutment against an end wall of the body 31 corresponding to the closed position, by a resilient return means 9 such as a spring extending between the transverse wall 44 and the transverse end wall of the body 31.
  • the opening 41a of the face 41 of the housing is in turn aligned with the opening of 33 entrance which is thus open and can let a cleaning ball B into the compartment 36 where is housed only a bullet B.
  • Control means of the removable closure means are provided to cooperate with the suction device of the first embodiment.
  • the face 42 of the housing 40 has a rim 42b on the opening 42a projecting through the dispensing opening 35 towards the outside of the dispenser 30 while the wall 34 also has at least one protruding lug 34b. outwardly of the body 31, preferably two.
  • the flange 42b of the casing 40 forms an abutment member against which a projection of the annular abutment 26 of the tubular part 2 on the nozzle head part portion 10 can be housed while the tabs 34b of the body 31 of the dispenser abut against the shutter ring 23 side part nozzle head 10.
  • the distributor 30 is in the closed position.
  • the suction device is brought against the dispensing face 34 of the dispenser 30, the annular stop 26 abutting against the rim 42b of the sliding housing and the sealing ring 23 abuts against the rim 34b of the body 31 (cf. . figure 7 ).
  • the annular abutment 26 pushes the casing 40 against the effect of the spring 9, the casing 40 thus moves in the body 31.
  • the rim 34b being fixed, during this translation, the closure ring 23 is retained and slides along the tubular element 21 releasing the insertion opening 22 which is aligned with the dispensing opening 35 and the opening 42a of the housing 40 (cf. figures 8 and 9 ).
  • a ball B engaged in the compartment 36 is free to engage under the effect of gravity in the nozzle 1 through the opening 22.
  • the compartment 36 was found closed, input side 33, by the opposite face 41 of the housing 40 so that a single ball B has been distributed.
  • the suction system is actuated and the ball B introduced into the connection piece 2 is driven through the suction pipe 3 which it thus cleans.
  • the suction device is used with a smoothing wedge 1a mounted in the nozzle head portion 10 so as to extend across the suction opening, at least its end projecting from the opening, constituting a device for suction and smoothing of the sealing bead.
  • the suction and smoothing device is integral with a robotic arm (cf. figure 12 ).
  • the suction pipe 3 is mounted upstream of the robot head.
  • a rotating connection 50 allowing a rotation on the axis no. 6 without any stress upstream of the robot head and thus eliminates the stresses with the cabling or the pipes.
  • This rotating connection 50 consists of the three parts 51, 52, 53 shown in FIG. figure 10 .
  • a first tubular nozzle 51 is connected to a second tubular nozzle 52 by means of a ring 53 fixed to the nozzle 51.
  • the tips 51 and 52 are not fixed to each other, the purpose being to obtain a rotary connection between the end pieces 51 and 52.
  • the rotary coupling 50 is fixed on the suction nozzle on the one hand and on the other hand on the robot head.
  • This suction and smoothing device is used in an automated viscous material suction installation, particularly in the context of the smoothing of the sealing bead.
  • a suction system comprising a suction device as defined above, further comprising, to generate the vacuum from which the excess material is collected in the tank 7a, a generating apparatus depression 7b, such as a vacuum pump.
  • a pressure sensor Preferably, there is also provided a pressure sensor, a vacuum sensor, a power variator and emergency stop means and a pre-separator for the recovery tank.
  • the installation may furthermore comprise means for cleaning the installation such as a scraper bar making it possible to remove the excess viscous material at the end of the nozzle, air blowing means such as a blowing nozzle, blowing air mixed with plasticizer and for cleaning the interior of the suction nozzle and a cleaning ball dispensing device, such a device having dispensing means cooperating with the means of closing of the suction device.
  • means for cleaning the installation such as a scraper bar making it possible to remove the excess viscous material at the end of the nozzle, air blowing means such as a blowing nozzle, blowing air mixed with plasticizer and for cleaning the interior of the suction nozzle and a cleaning ball dispensing device, such a device having dispensing means cooperating with the means of closing of the suction device.
  • a vision system making it possible to determine existing offsets between two treated objects, for example two vehicle and to recalibrate the trajectory of the robot to achieve a suction and more precisely an appropriate smoothing.
  • a vision system includes, for example, four fixed cameras and image processing means given from three of these cameras.
  • the viscous material such as putty is smoothed by the wedge at the end of the suction nozzle, thereafter the sealant is sucked by the nozzle and passes through the pipe before landing in the recovery drum.
  • the ball dispenser makes it possible to pass a ball through the device to clean the hose regularly and automatically to avoid giving constraints to production.
  • the suction system comprising stop means such as a shunt valve and the power regulator to manage the suction power according to the constraints and the location of the cords to be treated.
  • the invention advantageously makes it possible to automate operations of great dexterity, while avoiding the exposure of operators to the inhalation of toxic products and by suppressing "manual" operations that can cause musculoskeletal disorders when the treated sites were difficult to access.
  • the invention allows the implementation of a method for smoothing a body bead, according to the steps of: approaching the nozzle towards the sealing bead, smooth the bead with the shim, suck up the surplus of material removed from the cord, recover the excess material of the cord, clear the nozzle.

Abstract

L'invention concerne un dispositif d'aspiration pour produit visqueux, tel qu'une matière d'étanchéité comprenant une buse (1) présentant une première ouverture d'aspiration du produit, un tuyau (3) et un bac de récupération (7a), ladite buse (1) présentant une deuxième ouverture pour son raccordement audit tuyau (3), caractérisé en ce que la buse (1) comporte une troisième ouverture (22, 220) et des moyens d'obturation amovibles de ladite ouverture (22, 220).The invention relates to a suction device for a viscous product, such as a sealing material comprising a nozzle (1) having a first suction opening of the product, a pipe (3) and a recovery tank (7a). , said nozzle (1) having a second opening for its connection to said pipe (3), characterized in that the nozzle (1) has a third opening (22, 220) and removable closure means of said opening (22, 220).

Description

L'invention concerne un dispositif de d'aspiration pour produit visqueux et/ou pâteux tel qu'une matière d'étanchéité de carrosserie automobile,The invention relates to a suction device for a viscous and / or pasty product such as an automotive body sealant,

Une matière d'étanchéité est utilisée dans le but de garantir l'étanchéité d'une jonction de pièces, en particulier pour la carrosserie d'un véhicule automobile.A sealing material is used in order to guarantee the tightness of a joint of parts, in particular for the bodywork of a motor vehicle.

L'étanchéité des différentes pièces qui composent la carrosserie d'un véhicule automobile est donc assurée par la dépose de cordons d'étanchéité, réalisés à partir d'une matière conférant l'étanchéité tel qu'un mastic, mélange pâteux et adhésif qui peut être appliqué directement à la jonction de pièces de carrosserie.The sealing of the various parts that make up the bodywork of a motor vehicle is therefore ensured by the removal of sealing beads, made from a sealing material such as a sealant, pasty mixture and adhesive which can be applied directly to the joining of body parts.

La bonne étanchéité d'une jonction entre des pièces est obtenue par plusieurs opérations :

  • le dépôt d'un cordon d'étanchéité, consistant à appliquer le mastic de sorte à couvrir intégralement la jonction entre les pièces ;
  • le lissage du cordon d'étanchéité déposé, consistant à retirer l'excédent de mastic, en aplanissant ou sculptant le cordon d'étanchéité et en récupérant le surplus de matière du cordon de sorte à conférer à l'ensemble de pièces un aspect visuel correct et une géométrie toujours fonctionnelle, permettant le montage de pièces.
The good sealing of a junction between parts is obtained by several operations:
  • depositing a sealing bead, consisting of applying the mastic so as to completely cover the junction between the pieces;
  • smoothing the deposited bead, removing the excess mastic by smoothing or sculpting the bead and recovering excess material from the bead so as to give the set of pieces a proper visual appearance and a geometry always functional, allowing the assembly of parts.

Il est connu, pour réaliser le lissage d'un cordon d'étanchéité, d'utiliser un outil de lissage manuel appelé, cale flexible, manipulée par un opérateur qui suit le cheminement d'un cordon d'étanchéité avec la cale flexible pour retirer l'excès de matière d'étanchéité et lisser le cordon d'étanchéité.It is known to perform the smoothing of a sealing bead, to use a manual smoothing tool called flexible wedge, manipulated by an operator who follows the path of a sealing bead with the flexible wedge to remove excess sealing material and smooth the sealing bead.

Cependant, ce système présente quelques inconvénients. La manipulation d'un tel outil demande une grande dextérité de la part de l'opérateur, et l'accès à des zones complexes engendre l'apparition de troubles musculo-squelettiques.However, this system has some disadvantages. The manipulation of such a tool requires great dexterity on the part of the operator, and access to complex areas causes the onset of musculoskeletal disorders.

Afin de remédier à ces problèmes, on a proposé dans FR 3045422 un dispositif de lissage d'un cordon d'étanchéité, capable de lisser par aspiration intégralement des cordons d'étanchéité, capable de s'adapter à un bras robotisé, dans le but d'automatiser sa manipulation et qui comprend une buse d'aspiration reliée à un système d'aspiration, la buse comprenant une cale de lissage s'étendant dedans. Un tel dispositif comprend un bac de récupération du surplus de matière du cordon d'étanchéité aspiré, le bac de récupération étant relié à la buse au moyen d'un tuyau primaire tandis que le bac de récupération est relié au système d'aspiration au moyen d'un tuyau secondaire.In order to remedy these problems, it has been proposed in FR 3045422 a device for smoothing a sealing bead, capable of smoothing by full suction of the sealing beads, capable of adapting to a robotic arm, for the purpose of automating its manipulation and which comprises a suction nozzle connected to a suction system, the nozzle comprising a smoothing wedge extending therein. Such a device comprises a surplus material recovery tank suction suction cord, the recovery tank being connected to the nozzle by means of a primary pipe while the recovery tank is connected to the suction system by means of a secondary pipe.

Un tel dispositif permet d'aplanir par la cale en saillie de l'embout un cordon d'étanchéité qui a été déposé sur une pièce de carrosserie, tout en aspirant l'excédent de matériau du cordon, formé lors du lissage.Such a device makes it possible to flatten by the wedge projecting from the endpiece a sealing bead which has been deposited on a bodywork part, while sucking the excess material of the bead, formed during the smoothing.

Dans le document WO 2011083012 on a décrit un procédé d'enlèvement du surplus d'un adhésif lors de l'assemblage de deux éléments, dans lequel un adhésif est appliqué sur la zone d'assemblage d'un des deux éléments. Le surplus de l'adhésif est enlevé au moyen d'un dispositif d'aspiration comprenant une buse, reliée à un système d'aspiration. La buse comprend un embout de forme cylindrique apte à aspirer le surplus d'adhésif créé.In the document WO 2011083012 a method of removing surplus of an adhesive during the assembly of two elements, wherein an adhesive is applied to the joining zone of one of the two elements. The surplus of the adhesive is removed by means of a suction device comprising a nozzle, connected to a suction system. The nozzle comprises a cylindrical tip adapted to suck the excess adhesive created.

Toutefois, la matière aspirée étant une matière visqueuse et/ou pâteuse et collante, il est nécessaire de prévoir un nettoyage du système d'aspiration. En effet, le dispositif permet de récupérer de la matière visqueuse, adhésif ou mastic mais s'encrasse très rapidement, nécessitant la mise en oeuvre d'un nettoyage.However, the aspirated material is a viscous material and / or pasty and sticky, it is necessary to provide a cleaning of the suction system. Indeed, the device makes it possible to recover viscous material, adhesive or putty but clogs very quickly, requiring the implementation of a cleaning.

L'objet de l'invention est de proposer un dispositif d'aspiration de matière visqueuse dont l'entretien et le nettoyage s'effectue de manière simple et rapide à mettre en oeuvre.The object of the invention is to provide a viscous material suction device whose maintenance and cleaning is carried out in a simple and quick to implement.

A cet effet, l'invention a pour objet un dispositif d'aspiration pour produit visqueux, tel qu'une matière d'étanchéité, comprenant une buse présentant une première ouverture d'aspiration du produit, un tuyau d'aspiration et un bac de récupération, ladite buse présentant une deuxième ouverture pour son raccordement audit tuyau, caractérisé en ce que la buse comporte une troisième ouverture et des moyens d'obturation amovibles de ladite ouverture.To this end, the invention relates to a suction device for viscous product, such as a sealing material, comprising a nozzle having a first suction opening of the product, a suction pipe and a tank of recovery, said nozzle having a second opening for its connection to said pipe, characterized in that the nozzle comprises a third opening and removable closure means of said opening.

Ainsi, de manière avantageuse, le dispositif d'aspiration présente une troisième ouverture dont la section est choisie sensiblement égale à celle du tuyau de sorte qu'un organe de nettoyage dudit tuyau peut être introduit dans le dispositif.Thus, advantageously, the suction device has a third opening whose section is chosen substantially equal to that of the pipe so that a cleaning member of said pipe can be introduced into the device.

Les moyens d'obturation lorsqu'ils sont en position d'ouverture libèrent alors l'accès à l'ouverture et permettent l'insertion dans le dispositif d'aspiration d'un organe de nettoyage tel qu'une balle en mousse nettoyante par ladite troisième ouverture et ce, sans qu'il soit nécessaire de démonter la buse tandis qu'à la position fermeture, lesdits moyens d'obturation maintiennent fermée ladite ouverture pendant le processus de d'aspiration.The closure means when in the open position then release access to the opening and allow the insertion into the suction device of a cleaning member such as a cleaning foam ball by said third opening and this, without the need to remove the nozzle while in the closed position, said closure means keep closed said opening during the suction process.

De cette manière, le dispositif selon l'invention évite d'avoir à démonter le dispositif d'aspiration pour y insérer des organes de nettoyage manuellement à cadence irrégulière pour procéder au nettoyage du système d'aspiration. En effet, un tel mode de nettoyage serait incompatible avec une aspiration de matière visqueuse robotisée où il devient nécessaire de pouvoir nettoyer régulièrement le tuyau contenant la matière visqueuse avant qu'il ne s'encrasse trop pour garder la qualité d'aspiration constante tout en conservant un temps de cycle satisfaisant.In this way, the device according to the invention avoids having to disassemble the suction device to insert cleaning devices manually at an irregular rate to proceed with the cleaning of the suction system. Indeed, such a cleaning method would be incompatible with an aspiration of viscous material robotized where it becomes necessary to regularly clean the pipe containing the viscous material before it clogs too much to keep the suction quality constant while retaining a satisfactory cycle time.

De manière avantageuse, un organe de lissage tel qu'une cale de lissage est portée par la buse d'aspiration, la cale permettant de lisser un cordon d'étanchéité en mastic par exemple, la buse aspirant le surplus de matière. De préférence, la cale de lissage est montée dans la partie tête de buse de manière à s'étendre en travers de l'ouverture d'aspiration, au moins son extrémité étant en saillie de l'ouverture d'aspiration de la buse.Advantageously, a smoothing member such as a smoothing wedge is carried by the suction nozzle, the wedge making it possible to smooth a mastic sealing bead, for example, the nozzle sucking out the excess material. Preferably, the smoothing wedge is mounted in the nozzle head portion so as to extend across the suction opening, at least its end protruding from the suction opening of the nozzle.

Il est ainsi possible de procéder à un lissage par aspiration de manière robotisé. Le dispositif d'aspiration est alors solidaire d'un bras robotisé multiaxe, permettant de suivre un cordon d'étanchéité selon une trajectoire parfaite, avec rapidité et sans arrêt et dans des endroits difficiles d'accès tout en garantissant un lissage du cordon pour lui conférer un aspect lisse et sans bavure.It is thus possible to carry out suction smoothing in a robotic manner. The suction device is then secured to a robotic arm multiaxis, to follow a sealing bead in a perfect trajectory, quickly and without stopping and in hard to reach places while ensuring a smoothing cord for him give a smooth and burr-free appearance.

De préférence, la buse comporte une partie tubulaire de section sensiblement égale à la section du tuyau d'aspiration et dont une extrémité constitue l'ouverture de raccordement du tuyau et une partie dite tête de buse comprenant l'ouverture d'aspiration du produit. La partie tête de buse présente une section qui généralement se réduit de la partie proche de la partie tubulaire vers la partie proche de l'ouverture d'aspiration. La buse peut être réalisée d'une pièce ou en deux parties (partie tubulaire et partie tête de buse) raccordables l'une à l'autre.Preferably, the nozzle comprises a tubular portion of section substantially equal to the section of the suction pipe and one end of which constitutes the connection opening of the pipe and a part called the nozzle head comprising the suction opening of the product. The part nozzle head has a section which is generally reduced from the near part of the tubular part to the near part of the suction opening. The nozzle may be made in one piece or in two parts (tubular portion and nozzle head portion) connectable to each other.

Selon une première forme de réalisation de l'invention, la buse comporte une ouverture ménagée dans la paroi de sa partie tubulaire, cette troisième ouverture constituant l'ouverture d'introduction d'un organe de nettoyage du tuyau dans le dispositif. Cette ouverture étant ménagée dans la partie tubulaire de la buse, l'organe de nettoyage est donc introduit dans le dispositif d'aspiration avant le raccordement au tuyau de sorte qu'il peut être entraîné dans le tuyau pour le nettoyer.According to a first embodiment of the invention, the nozzle has an opening in the wall of its tubular portion, this third opening constituting the opening for introducing a pipe cleaning member into the device. This opening being formed in the tubular portion of the nozzle, the cleaning member is thus introduced into the suction device before connecting to the pipe so that it can be driven into the pipe to clean it.

Les moyens d'obturation sont constitués d'une bague montée coulissante autour de la partie tubulaire entre une position de fermeture où la bague masque l'ouverture de la partie tubulaire et une position d'ouverture où, après coulissement de la bague sur la partie tubulaire, la bague libère l'ouverture.The closure means consist of a ring slidably mounted around the tubular portion between a closed position where the ring masks the opening of the tubular part and an open position where, after sliding of the ring on the part tubular, the ring releases the opening.

De préférence, la bague est maintenue en position de fermeture par des moyens de butée et un moyen de rappel élastique s'opposant au coulissement de la bague vers la position d'ouverture.Preferably, the ring is held in the closed position by abutment means and an elastic return means opposing the sliding of the ring towards the open position.

Dans une seconde forme de réalisation de l'invention, la buse est constituée d'une partie tubulaire raccordée de manière articulée à la partie tête de buse. Ainsi de manière très avantageuse, l'ouverture d'introduction d'un organe de nettoyage est constituée par l'extrémité de la partie tubulaire raccordée à la partie tête de buse. La partie tête de buse est montée de préférence pivotante sur la partie tubulaire et constitue avantageusement les moyens d'obturation de ladite troisième ouverture.In a second embodiment of the invention, the nozzle consists of a tubular portion hingedly connected to the nozzle head portion. Thus very advantageously, the introduction opening of a cleaning member is constituted by the end of the tubular portion connected to the nozzle head portion. The nozzle head portion is preferably pivotally mounted on the tubular portion and advantageously forms the closure means of said third opening.

Ainsi, la partie tête de buse est entraînable en pivotement par rapport à la partie tubulaire, entre une position d'obturation de ladite ouverture dans laquelle la partie tête de buse s'étend dans le prolongement de la partie tubulaire et est active pour l'aspiration et une position d'ouverture de ladite ouverture dans laquelle la partie tête de buse est écartée de l'extrémité de ladite partie tubulaire par pivotement, libérant ainsi la troisième ouverture pour l'insertion d'un organe de nettoyage.Thus, the nozzle head portion is pivotally drivable with respect to the tubular portion, between a closed position of said opening in which the nozzle head portion extends in the extension of the tubular portion and is active for the suction and an opening position of said opening in which the nozzle head portion is spaced from the end of said tubular portion by pivoting, thereby releasing the third opening for the insertion of a cleaning member.

Selon une première variante, la partie tête de buse est montée pivotante autour d'un axe s'étendant perpendiculairement à l'axe longitudinal de la partie tubulaire.According to a first variant, the nozzle head portion is pivotally mounted about an axis extending perpendicularly to the longitudinal axis of the tubular portion.

Selon une deuxième variante, la partie tête de buse est montée pivotante autour d'un axe parallèle à l'axe longitudinal de la partie tubulaire.In a second variant, the nozzle head portion is pivotally mounted about an axis parallel to the longitudinal axis of the tubular portion.

L'invention concerne également un système d'aspiration d'une matière visqueuse comprenant un dispositif d'aspiration tel que défini ci-dessus, comprenant en outre un appareil générateur de dépression, un capteur de pression, un capteur de dépression, un variateur de puissance et des moyens d'arrêt d'urgence ainsi qu'un pré-séparateur pour le bac de récupération.The invention also relates to a suction system for a viscous material comprising a suction device as defined above, further comprising a vacuum generator apparatus, a pressure sensor, a vacuum sensor, a vacuum controller, power and emergency stop means and a pre-separator for the recovery tank.

Le capteur de pression permet de vérifier que le système d'aspiration est bien en marche et atteint la puissance suffisante pour permettre l'aspiration du produit visqueux. Le capteur de dépression permet de contrôler et déceler les colmatages du tuyau intervenant pendant les phases d'aspiration ainsi que l'usure. Le variateur de puissance permet de moduler la puissance en fonction du type d'aspiration souhaitée notamment dans le cas d'un lissage de cordons d'étanchéité plus délicat.The pressure sensor makes it possible to check that the suction system is running and reaches the power sufficient to allow suction of the viscous product. The vacuum sensor is used to check and detect clogging of the pipe during the suction phases as well as wear. The power variator is used to modulate the power depending on the desired type of suction especially in the case of smoothing more delicate sealing beads.

Le pré-séparateur est installé sur le bac de récupération et permet d'y faire le vide pour y stocker l'excédent.The pre-separator is installed on the recovery tank and allows to evacuate there to store the excess.

Avantageusement, l'invention propose également une installation d'aspiration d'un produit visqueux, pâteux comprenant le dispositif d'aspiration selon l'invention ainsi qu'un dispositif de distribution adapté afin d'insérer des organes de nettoyage tels que des balles en mousse nettoyante en automatique via un distributeur de balles, de manière simple.Advantageously, the invention also proposes a suction installation for a viscous, pasty product comprising the suction device according to the invention as well as a dispensing device adapted to insert cleaning members such as bales. cleaning foam in automatic via a bale dispenser, in a simple way.

Selon une forme de réalisation particulièrement avantageuse, le dispositif d'aspiration est utilisé avec un dispositif de distribution de balle nettoyante qui présente des moyens de distribution coopérant avec les moyens d'obturation du dispositif d'aspiration.According to a particularly advantageous embodiment, the suction device is used with a cleaning ball dispensing device which has distribution means cooperating with the closure means of the suction device.

L'invention concerne donc une installation d'aspiration d'un produit visqueux comprenant le dispositif d'aspiration selon la première forme de réalisation décrite ci-dessus, et un dispositif de distribution d'organes de nettoyage muni d'une ouverture d'entrée reliable à un réservoir d'organes de nettoyage et d'une ouverture de distribution vers le dispositif d'aspiration, des moyens de fermeture amovibles de ladite ouverture de distribution étant prévus, actionnables de préférence par la buse du dispositif d'aspiration.The invention therefore relates to a suction installation of a viscous product comprising the suction device according to the first embodiment described above, and a cleaning member dispensing device provided with an inlet opening connectable to a reservoir of cleaning members and a dispensing opening to the suction device, removable closing means of said dispensing opening being provided, preferably actuated by the nozzle of the suction device.

Dans cette installation d'aspiration dans laquelle la buse d'aspiration est portée par un bras de robot, on peut associer un système de vision permettant de déterminer des décalages existants entre deux objets traités par exemple, deux caisses de véhicule et de recaler la trajectoire du robot pour réaliser une aspiration et plus précisément un lissage approprié. Un tel système de vision comprend par exemple quatre caméras fixes et des moyens de traitement de l'image donnée à partir de trois de ces caméras.In this suction installation in which the suction nozzle is carried by a robot arm, it is possible to associate a vision system making it possible to determine existing offsets between two treated objects, for example two vehicle bodies, and to adjust the trajectory. robot to achieve suction and more precisely a proper smoothing. Such a vision system comprises for example four fixed cameras and image processing means given from three of these cameras.

On décrira maintenant l'invention plus en détails en référence au dessin dans lequel :

  • La figure 1 représente une vue en perspective latérale de la buse d'un dispositif d'aspiration selon un premier mode de réalisation l'invention ;
  • La figure 2 représente le dispositif de la figure 1 sans moyens d'obturation ;
  • Les figures 3a et 3b représentent respectivement une vue en perspective avant et latérale d'une variante d'un second mode de réalisation de l'invention
  • Les figures 4a et 4b représentent une vue en perspective latérale d'une autre variante du second mode de réalisation de l'invention respectivement en position ouverte et fermée de l'ouverture d'entrée ;
  • Le figures 5a et 5b représentent respectivement une vue en coupe d'un distributeur d'organes de nettoyage en position de distribution fermée et ouverte ;
  • Les figures 6a, 6b et 6c représentent des vues en perspective des éléments constitutifs du distributeur d'organes de nettoyage ;
  • La figure 7 représente une vue en perspective latérale de la coopération entre une buse d'aspiration et le dispositif de distribution fermé selon l'invention ;
  • La figure 8 représente une vue en coupe de la buse d'aspiration et du dispositif de distribution en cours d'ouverture ;
  • La figure 9 représente une vue en coupe de la buse d'aspiration et du dispositif de distribution en position ouverte dudit dispositif ;
  • La figure 10 représente une vue en perspective des éléments constituant un raccord tournant selon l'invention ;
  • La figure 11 représente une vue en perspective du raccord tournant selon l'invention ; et
  • La figure 12 est une représentation d'un poste d'aspiration et de lissage d'un cordon d'étanchéité sur des éléments de carrosserie d'un véhicule accolés, illustrant pour exemple un contexte d'application de l'invention.
The invention will now be described in more detail with reference to the drawing in which:
  • The figure 1 is a side perspective view of the nozzle of a suction device according to a first embodiment of the invention;
  • The figure 2 represents the device of the figure 1 without sealing means;
  • The Figures 3a and 3b represent respectively a front and side perspective view of a variant of a second embodiment of the invention
  • The Figures 4a and 4b are a side perspective view of another variant of the second embodiment of the invention respectively in the open and closed position of the inlet opening;
  • The Figures 5a and 5b respectively show a sectional view of a cleaning device dispenser in closed and open dispensing position;
  • The Figures 6a, 6b and 6c represent perspective views of the constituent elements of the cleaning member dispenser;
  • The figure 7 represents a side perspective view of the cooperation between a suction nozzle and the closed dispensing device according to the invention;
  • The figure 8 represents a sectional view of the suction nozzle and the dispensing device during opening;
  • The figure 9 represents a sectional view of the suction nozzle and the dispensing device in the open position of said device;
  • The figure 10 represents a perspective view of the elements constituting a rotating connection according to the invention;
  • The figure 11 represents a perspective view of the rotating coupling according to the invention; and
  • The figure 12 is a representation of a suction station and smoothing a sealing bead on vehicle body elements contiguous, illustrating for example an application context of the invention.

Comme on peut le voir à la figure 12, le dispositif d'aspiration comporte une buse 1 reliée à un système d'aspiration, généralement comprenant un tuyau 3 relié à un bac 7a de récupération de la matière en excès. La buse 1 comprend également une cale de lissage 1a insérée dans l'ouverture d'aspiration de la buse d'aspiration 1 et qui permet le lissage d'un cordon d'étanchéité de carrosserie.As can be seen at figure 12 , the suction device comprises a nozzle 1 connected to a suction system, generally comprising a pipe 3 connected to a tank 7a for recovering the excess material. The nozzle 1 also comprises a smoothing wedge 1a inserted into the suction opening of the suction nozzle 1 and which allows the smoothing of a body sealing bead.

La buse 1 comprend une partie tubulaire de section circulaire constante 2 et une partie tête de buse 10. La partie tubulaire 2 de section sensiblement égale à la section du tuyau d'aspiration 3 présente une ouverture d'extrémité raccordée au tuyau du système d'aspiration.The nozzle 1 comprises a tubular portion of constant circular section 2 and a nozzle head portion 10. The tubular portion 2 of section substantially equal to the section of the suction pipe 3 has an end opening connected to the pipe of the nozzle system. aspiration.

Cette partie tubulaire 2 comporte une troisième ouverture 22 qui permet d'introduire dans le dispositif d'aspiration un organe de nettoyage du tuyau du système d'aspiration tel qu'une balle en mousse nettoyante B, couramment utilisée dans le nettoyage de tuyaux.This tubular portion 2 has a third opening 22 which allows to introduce into the suction device a suction pipe cleaning member of the suction system such as a cleaning foam ball B, commonly used in cleaning pipes.

Dans l'exemple représenté aux figures 1 et 2, la partie tête de buse 10 présente une partie support 10a et une partie cale 10b comprenant un corps positionné par emboîtement amovible sur le support 10a et qui définit l'ouverture d'aspiration de la partie tête de buse, dans laquelle est montée une cale de lissage 1a. La cale 1a peut ainsi être remplacée aisément et facilement par l'opérateur, la partie cale 10b étant emboitable de manière amovible sur la partie support 10a, ce qui permet son raccordement à la partie tubulaire 2 et facilite aussi le nettoyage.In the example shown in Figures 1 and 2 , the nozzle head portion 10 has a support portion 10a and a wedge portion 10b comprising a body positioned by detachable engagement on the support 10a and which defines the suction opening of the nozzle head portion, in which is mounted a wedge smoothing 1a. The hold 1a can thus be easily and easily replaced by the operator, the wedge portion 10b being releasably engageable on the support portion 10a, which allows its connection to the tubular portion 2 and also facilitates cleaning.

Le dispositif d'aspiration comporte des moyens d'obturation amovibles de l'ouverture d'insertion 22.The suction device comprises removable closure means of the insertion opening 22.

Selon une première forme de réalisation de l'invention, l'ouverture d'insertion 22 est ménagée dans la paroi de la partie tubulaire 2 (cf. fig. 2) et les moyens d'obturation sont constitués d'une bague 23 montée coulissante sur la périphérie extérieure de la partie tubulaire 2 (cf. fig. 1) entre une position où la bague 23 obture de manière étanche l'ouverture d'insertion 22 et une position où l'ouverture 22 est accessible.According to a first embodiment of the invention, the insertion opening 22 is formed in the wall of the tubular part 2 (cf. Fig. 2 ) and the sealing means consist of a ring 23 slidably mounted on the outer periphery of the tubular portion 2 (cf. Fig. 1 ) between a position where the ring 23 sealingly closes the insertion opening 22 and a position where the opening 22 is accessible.

De préférence, à l'extrémité de la partie tubulaire 2 raccordée au tuyau d'aspiration, la partie tubulaire 2 présente une butée annulaire 24 contre laquelle le tuyau 3 du système d'aspiration vient en butée.Preferably, at the end of the tubular portion 2 connected to the suction pipe, the tubular portion 2 has an annular abutment 24 against which the pipe 3 of the suction system abuts.

La bague d'obturation 23 est maintenue en position d'obturation de l'ouverture d'insertion 22 sous l'effet d'un moyen de rappel élastique 25 interposé entre ladite bague d'obturation 23 et la butée annulaire 24. Un tel moyen de rappel élastique 25 est constitué de préférence d'un ressort hélicoïdal entourant la partie tubulaire 2.The closure ring 23 is held in the closed position of the insertion opening 22 under the effect of an elastic return means 25 interposed between said sealing ring 23 and the annular abutment 24. Such a means resilient return 25 is preferably constituted by a helical spring surrounding the tubular portion 2.

De préférence, une seconde butée annulaire 26 est également ménagée sur la partie tubulaire 2 côté partie tête de buse 10, la bague d'obturation 23 y étant maintenue en butée sous l'effet du moyen de rappel élastique 25 en position d'obturation.Preferably, a second annular abutment 26 is also provided on the tubular part 2 on the nozzle head part side 10, the closure ring 23 being held there in abutment under the effect of the elastic return means 25 in the closed position.

Ainsi, la bague 23 est maintenue en position d'obturation sous l'effet du moyen de rappel élastique 25 qui la repousse contre la butée annulaire 26 côté partie tête de buse 1 tandis que l'ouverture 22 est accessible en entraînant la bague 23 en coulissement contre l'effet du moyen de rappel élastique 25 en entraînant la bague d'obturation 23 vers la butée annulaire 24 côté tuyau.Thus, the ring 23 is held in the closed position under the effect of the resilient return means 25 which pushes it against the annular abutment 26 at the nozzle head portion 1 while the opening 22 is accessible by driving the ring 23 into position. sliding against the effect of the elastic return means 25 by driving the sealing ring 23 towards the annular abutment 24 on the pipe side.

Une telle ouverture de l'ouverture 22 peut être actionnée manuellement. L'opérateur fait ainsi coulisser la bague 23 pour libérer l'ouverture 22 et y introduire une balle nettoyante B, la bague 23 revenant ensuite à sa position fermée, d'elle-même, sous l'effet des moyens de rappel élastique 25.Such opening of the opening 22 can be operated manually. The operator thus slides the ring 23 to release the opening 22 and introduce a cleaning bullet B, the ring 23 then returning to its closed position, of itself, under the effect of the elastic return means 25.

Selon une deuxième forme de réalisation, la buse d'aspiration 1 est constituée d'une partie tubulaire 21 distincte de la partie tête de buse 11, l'ouverture d'insertion 220 pour une balle nettoyante B étant constituée par l'extrémité de la partie tubulaire 21 sur laquelle est raccordée la partie tête de buse 11.According to a second embodiment, the suction nozzle 1 consists of a tubular portion 21 distinct from the nozzle head portion 11, the insertion opening 220 for a cleaning bullet B being formed by the end of the nozzle tubular part 21 on which is connected the nozzle head portion 11.

A cet effet, la partie tête de buse 11, qui présente une ouverture d'aspiration de section inférieure à la section de la partie tubulaire 21, est montée pivotante à l'extrémité de la partie tubulaire 21 entre une première position dite active d'aspiration formant ainsi des moyens d'obturation de ladite ouverture 220 et une seconde position d'ouverture dudit orifice 220 où la partie tête de buse 11 est écartée de la partie tubulaire 21, libérant l'accès à l'ouverture d'insertion 220.For this purpose, the nozzle head portion 11, which has a suction opening of section smaller than the section of the tubular portion 21, is pivotally mounted at the end of the tubular portion 21 between a first so-called active position of suction thereby forming means for closing said opening 220 and a second opening position of said orifice 220 where the nozzle head portion 11 is spaced apart from the tubular portion 21, releasing access to the insertion opening 220.

Dans cette forme de réalisation, une bague de raccordement 210 est montée à l'extrémité de la partie tubulaire 21 et une bague complémentaire 110 est ménagée sur la partie tête de buse 11. En position d'obturation la partie tubulaire 21 et la partie tête de buse 11 sont en alignement et le raccordement entre partie tubulaire 21 et partie tête de buse 11 est étanche.In this embodiment, a connecting ring 210 is mounted at the end of the tubular portion 21 and a complementary ring 110 is provided on the nozzle head portion 11. In the closed position the tubular portion 21 and the head portion nozzle 11 are in alignment and the connection between tubular portion 21 and nozzle head portion 11 is sealed.

Pour permettre l'accès à l'ouverture d'insertion 220 pour introduire un organe de nettoyage B dans le système, la bague 110 de la partie tête de buse 11 est montée articulée en pivotement par rapport à la bague 210 de la partie tubulaire 21.To allow access to the insertion opening 220 to introduce a cleaning member B into the system, the ring 110 of the nozzle head portion 11 is pivotally mounted relative to the ring 210 of the tubular portion 21 .

Selon une première variante, l'axe de pivotement 7 s'étend perpendiculaire à l'axe longitudinal principal X de la partie tubulaire 21, la partie tête de buse 11 s'écartant de la partie tubulaire 21 comme on peut le voir sur les figures 3a et 3b.According to a first variant, the pivot axis 7 extends perpendicular to the main longitudinal axis X of the tubular portion 21, the nozzle head portion 11 deviating from the tubular portion 21 as can be seen in FIGS. Figures 3a and 3b .

Selon une deuxième variante, l'axe de pivotement 8 est parallèle à l'axe longitudinal principal x de la partie tubulaire 21 et le pivotement de la partie tête de buse 11 par rapport à l'axe 8 s'opère par glissement de la bague 210 de la partie tête de buse 11 contre la bague 210 de la partie tubulaire 21 comme on peut le voir sur la figure 4b.According to a second variant, the pivot axis 8 is parallel to the main longitudinal axis x of the tubular portion 21 and the pivoting of the nozzle head portion 11 relative to the axis 8 is effected by sliding of the ring 210 of the nozzle head portion 11 against the ring 210 of the tubular portion 21 as can be seen in FIG. figure 4b .

De manière avantageuse, le dispositif d'aspiration selon la première forme de réalisation de l'invention fait partie d'une installation comportant en outre un distributeur automatique d'organe de nettoyage tel que des balles en mousse nettoyante B.Advantageously, the suction device according to the first embodiment of the invention is part of an installation further comprising an automatic cleaning member dispenser such as cleaning foam balls B.

De préférence, le distributeur automatique 30 est relié à un réservoir de balles pourvu d'un orifice de distribution d'une balle B vers le distributeur 30. Le distributeur 30 est agencé pour recevoir une balle B à la fois depuis le réservoir et qu'il distribue ensuite vers le dispositif d'aspiration et de lissage.Preferably, the vending machine 30 is connected to a bale container provided with a ball dispensing orifice B to the dispenser 30. The dispenser 30 is arranged to receive a bale B at a time from the reservoir and that it then distributes to the suction and smoothing device.

De préférence, le distributeur 30 est constitué d'un corps parallélépipédique 31 dont une face 32 est munie d'une ouverture d'entrée 33 reliable au réservoir de balles et permettant l'entrée d'une balle B dans le distributeur 30. Ce corps 31 est ouvert sur la face opposée à la face d'entrée 32 et est fermé par une paroi rapportée 34 comportant une ouverture de distribution 35 vers le dispositif de lissage. Dans le corps 31 sont également prévus des moyens de fermeture/ouverture de ladite ouverture de distribution 35.Preferably, the dispenser 30 is constituted by a parallelepipedal body 31, one face 32 of which is provided with an inlet opening 33 connectable to the tank of balls and allowing the entry of a ball B into the dispenser 30. This body 31 is open on the opposite face to the inlet face 32 and is closed by an insert wall 34 having a dispensing aperture 35 to the smoothing device. In the body 31 are also provided means for closing / opening said dispensing opening 35.

La face de distribution 34 est constituée d'une paroi comprenant l'ouverture de distribution 35 et qui comprend une paroi 34a bordant cette ouverture 35. La paroi 34a s'étend perpendiculairement à ladite face 34 et transversalement à l'intérieur du distributeur 30.The distribution face 34 consists of a wall comprising the dispensing opening 35 and which comprises a wall 34a bordering this opening 35. The wall 34a extends perpendicular to said face 34 and transversely inside the dispenser 30.

L'ouverture d'entrée ménagée dans la face 32 est alignée avec l'ouverture de distribution 35. On prévoit en outre une paroi 32a bordant l'ouverture d'entrée 35, perpendiculairement à la face 32 et transversalement dans le distributeur 30 mais sur le bord opposé à la paroi 34a de l'ouverture de distribution, ces deux parois 34a, 32a délimitant entre elle un compartiment 36 pour un organe de nettoyage B, aligné avec les deux ouvertures 33, 35.The inlet opening in the face 32 is aligned with the dispensing opening 35. There is further provided a wall 32a bordering the inlet opening 35, perpendicular to the face 32 and transversely in the distributor 30 but on the edge opposite the wall 34a of the dispensing opening, these two walls 34a, 32a delimiting between it a compartment 36 for a cleaning member B, aligned with the two openings 33, 35.

Des moyens de fermeture amovibles de l'ouverture de distribution 35 sont prévus. Ces moyens de fermeture amovibles sont constitués par un boîtier 40 monté coulissant dans le corps parallélépipédique 31. Ce boitier 40 comporte deux faces 41, 42 opposées qui s'étendent respectivement parallèles à la face 32 et la face 34 du corps 31. Des parois transversales 43 et 44 ont également prévues pour le boîtier 40 et des parois latérales 45 reliant les faces opposées 41, 42. Le boîtier 40 présente une longueur inférieure à la longueur du corps 31, de sorte que le boîtier 40 peut être entraîné en coulissement dans le corps 31.Removable closure means of the dispensing opening 35 are provided. These removable closure means consist of a housing 40 slidably mounted in the parallelepipedal body 31. This housing 40 has two opposite faces 41, 42 which extend respectively parallel to the face 32 and the face 34 of the body 31. Cross walls 43 and 44 have also provided for the housing 40 and side walls 45 connecting the opposite faces 41, 42. The housing 40 has a length less than the length of the body 31, so that the housing 40 can be slidably driven into the housing. body 31.

Les deux faces 41, 42 sont pourvues respectivement d'une ouverture 41a, 42a, mais ces ouvertures sont non alignées axialement.The two faces 41, 42 are respectively provided with an opening 41a, 42a, but these openings are non-aligned axially.

Le coulissement dudit boîtier 40 dans le corps 31 du distributeur 30 permet ainsi d'ouvrir et fermer l'ouverture d'entrée 33 et l'ouverture de distribution 35 alternativement.The sliding of said housing 40 in the body 31 of the dispenser 30 thus makes it possible to open and close the inlet opening 33 and the dispensing opening 35 alternately.

Ainsi, à la position fermée du distributeur (cf. figure 5a), la face 42 du boîtier 40 obture l'ouverture de distribution 35, ledit boîtier 40 de longueur inférieure à la longueur du corps 31 étant maintenu en butée contre une paroi d'extrémité du corps 31 correspondant à la position de fermeture, par un moyen de rappel élastique 9 tel qu'un ressort s'étendant entre la paroi transversale 44 et la paroi transversale d'extrémité du corps 31. L'ouverture 41a de la face 41 du boîtier se trouve quant à elle alignée avec l'ouverture d'entrée 33 qui se trouve ainsi ouverte et peut laisser s'engager une balle nettoyante B dans le compartiment 36 où ne se loge qu'une balle B.Thus, in the closed position of the dispenser (cf. figure 5a ), the face 42 of the housing 40 closes the dispensing opening 35, said housing 40 of length less than the length of the body 31 being held in abutment against an end wall of the body 31 corresponding to the closed position, by a resilient return means 9 such as a spring extending between the transverse wall 44 and the transverse end wall of the body 31. The opening 41a of the face 41 of the housing is in turn aligned with the opening of 33 entrance which is thus open and can let a cleaning ball B into the compartment 36 where is housed only a bullet B.

Puis par coulissement du boîtier 40 dans le corps 31 contre la force de rappel du ressort 9, on peut passer à la position d'ouverture du distributeur 30, la face 41 du boîtier 40 fermant l'ouverture d'entrée 33 et l'ouverture 42a de la face 42 du boîtier venant en alignement avec l'ouverture de distribution 35 de sorte que le compartiment 36 communique avec l'ouverture de distribution 35, distribuant une balle nettoyante qui s'y trouverait.Then by sliding of the casing 40 in the body 31 against the restoring force of the spring 9, it is possible to move to the open position of the dispenser 30, the face 41 of the casing 40 closing the inlet opening 33 and the opening 42a of the face 42 of the housing in alignment with the dispensing aperture 35 so that the compartment 36 communicates with the dispensing opening 35, distributing a cleaning bullet that would be there.

De moyens de commande des moyens de fermeture amovibles sont prévus pour coopérer avec le dispositif d'aspiration de la première forme de réalisation.Control means of the removable closure means are provided to cooperate with the suction device of the first embodiment.

Ainsi, la face 42 du boîtier 40 présente un rebord 42b sur l'ouverture 42a ménagé en saillie au travers de l'ouverture de distribution 35 vers l'extérieur du distributeur 30 tandis que la paroi 34 présente également au moins une patte 34b en saillie vers l'extérieur du corps 31, de préférence deux.Thus, the face 42 of the housing 40 has a rim 42b on the opening 42a projecting through the dispensing opening 35 towards the outside of the dispenser 30 while the wall 34 also has at least one protruding lug 34b. outwardly of the body 31, preferably two.

Le rebord 42b du boîtier 40 forme un organe de butée contre lequel peut se loger une saillie de la butée annulaire 26 de la partie tubulaire 2 côté partie tête de buse 10 tandis que les pattes 34b du corps 31 du distributeur se logent en butée contre la bague d'obturation 23 côté partie tête de buse 10.The flange 42b of the casing 40 forms an abutment member against which a projection of the annular abutment 26 of the tubular part 2 on the nozzle head part portion 10 can be housed while the tabs 34b of the body 31 of the dispenser abut against the shutter ring 23 side part nozzle head 10.

Ainsi, le distributeur 30 est en position de fermeture. Le dispositif d'aspiration est amené contre la face de distribution 34 du distributeur 30, la butée annulaire 26 venant en butée contre le rebord 42b du boîtier coulissant et la bague d'obturation 23 étant en butée contre le rebord 34b du corps 31 (cf. figure 7). En entraînant en translation le dispositif de d'aspiration, la butée annulaire 26 repousse le boîtier 40 contre l'effet du ressort 9, le boîtier 40 se déplace donc dans le corps 31. Le rebord 34b étant fixe, lors de cette translation, la bague d'obturation 23 est retenue et coulisse le long de l'élément tubulaire 21 libérant l'ouverture d'insertion 22 qui se retrouve alignée avec l'ouverture de distribution 35 et l'ouverture 42a du boîtier 40 (cf. figures 8 et 9).Thus, the distributor 30 is in the closed position. The suction device is brought against the dispensing face 34 of the dispenser 30, the annular stop 26 abutting against the rim 42b of the sliding housing and the sealing ring 23 abuts against the rim 34b of the body 31 (cf. . figure 7 ). By driving the suction device in translation, the annular abutment 26 pushes the casing 40 against the effect of the spring 9, the casing 40 thus moves in the body 31. The rim 34b being fixed, during this translation, the closure ring 23 is retained and slides along the tubular element 21 releasing the insertion opening 22 which is aligned with the dispensing opening 35 and the opening 42a of the housing 40 (cf. figures 8 and 9 ).

Une balle B engagée dans le compartiment 36 est libre de s'engager sous l'effet de la gravité dans la buse 1 au travers de l'ouverture 22. Lors du déplacement du boîtier 40, le compartiment 36 s'est retrouvé lui fermé, côté entrée 33, par la face opposée 41 du boîtier 40 de sorte qu'une seule balle B a été distribuée.A ball B engaged in the compartment 36 is free to engage under the effect of gravity in the nozzle 1 through the opening 22. During the displacement of the housing 40, the compartment 36 was found closed, input side 33, by the opposite face 41 of the housing 40 so that a single ball B has been distributed.

Quand on retire le dispositif d'aspiration 1 du distributeur 30, en l'entraînant en déplacement en sens inverse, le ressort 9 ramène automatiquement le boîtier 40 en position de fermeture de l'ouverture de distribution 35 et on libère la bague d'obturation 23 du rebord de butée 34b du distributeur, la bague 23 revenant automatiquement en position de fermeture sous l'effet du moyen de rappel élastique. L'entrée 33 est de nouveau ouverte.When the suction device 1 is withdrawn from the distributor 30, by moving it in the opposite direction, the spring 9 automatically returns the housing 40 to the closed position of the dispensing opening 35 and the sealing ring is released. 23 of the stop flange 34b of the dispenser, the ring 23 automatically returning to the closed position under the effect of the elastic return means. Entry 33 is opened again.

Une fois la bague 23 remise en place, on actionne le système d'aspiration et la balle B introduite dans l'embout de raccordement 2 est entraînée au travers du tuyau d'aspiration 3 qu'elle nettoie ainsi.Once the ring 23 is put in place, the suction system is actuated and the ball B introduced into the connection piece 2 is driven through the suction pipe 3 which it thus cleans.

De préférence, le dispositif d'aspiration est utilisé avec une cale de lissage 1a montée dans la partie tête de buse 10 de manière à s'étendre en travers de l'ouverture d'aspiration, au moins son extrémité étant en saillie de l'ouverture, constituant un dispositif d'aspiration et de lissage de cordon d'étanchéité.Preferably, the suction device is used with a smoothing wedge 1a mounted in the nozzle head portion 10 so as to extend across the suction opening, at least its end projecting from the opening, constituting a device for suction and smoothing of the sealing bead.

Le dispositif d'aspiration et de lissage est solidaire d'un bras robotisé (cf. figure 12). A cet effet, le tuyau d'aspiration 3 est monté en amont de la tête de robot. Aussi pour éviter les efforts émis par la rotation de l'axe n°6 du robot, on prévoit un raccord tournant 50 permettant une rotation sur l'axe n°6 sans aucune contrainte en amont de la tête du robot et on élimine ainsi les contraintes avec les câblages ou les tuyaux. Ce raccord tournant 50 est constitué des trois pièces 51, 52, 53 représentées à la figure 10. Un premier embout tubulaire 51 est relié à un second embout tubulaire 52 à l'aide d'une bague 53 fixée sur l'embout 51. Les embouts 51 et 52 ne sont pas fixés l'un à l'autre, le but étant d'obtenir une liaison rotative entre les embouts 51 et 52.The suction and smoothing device is integral with a robotic arm (cf. figure 12 ). For this purpose, the suction pipe 3 is mounted upstream of the robot head. Also to avoid the forces emitted by the rotation of the axis No. 6 of the robot, there is provided a rotating connection 50 allowing a rotation on the axis no. 6 without any stress upstream of the robot head and thus eliminates the stresses with the cabling or the pipes. This rotating connection 50 consists of the three parts 51, 52, 53 shown in FIG. figure 10 . A first tubular nozzle 51 is connected to a second tubular nozzle 52 by means of a ring 53 fixed to the nozzle 51. The tips 51 and 52 are not fixed to each other, the purpose being to obtain a rotary connection between the end pieces 51 and 52.

Le raccord tournant 50 est fixé sur la buse d'aspiration d'une part et d'autre part sur la tête du robot.The rotary coupling 50 is fixed on the suction nozzle on the one hand and on the other hand on the robot head.

Ce dispositif d'aspiration et de lissage selon l'invention est utilisé au sein d'une installation automatisée d'aspiration de matière visqueuse, en particulier dans le cadre du lissage de cordon d'étanchéité. Une telle installation comprend donc un système d'aspiration comprenant un dispositif d'aspiration tel que défini ci-dessus, comprenant en outre, pour générer la dépression à partir de laquelle l'excès de matière est collecté dans le bac 7a, un appareil générateur de dépression 7b, tel qu'une pompe à vide. De préférence, on prévoit également un capteur de pression, un capteur de dépression, un variateur de puissance et des moyens d'arrêt d'urgence ainsi qu'un pré-séparateur pour le bac de récupération.This suction and smoothing device according to the invention is used in an automated viscous material suction installation, particularly in the context of the smoothing of the sealing bead. Such an installation therefore comprises a suction system comprising a suction device as defined above, further comprising, to generate the vacuum from which the excess material is collected in the tank 7a, a generating apparatus depression 7b, such as a vacuum pump. Preferably, there is also provided a pressure sensor, a vacuum sensor, a power variator and emergency stop means and a pre-separator for the recovery tank.

L'installation peut comporter en outre des moyens de nettoyage de l'installation tels qu'une barre de raclage permettant de retirer l'excédent de matière visqueuse à l'extrémité de la buse, des moyens de soufflage d'air tels qu'une buse de soufflage, soufflant de l'air mélangé à du plastifiant et permettant de nettoyer l'intérieur de la buse d'aspiration ainsi qu'un dispositif de distribution de balle nettoyante, un tel dispositif présentant des moyens de distribution coopérant avec les moyens d'obturation du dispositif d'aspiration.The installation may furthermore comprise means for cleaning the installation such as a scraper bar making it possible to remove the excess viscous material at the end of the nozzle, air blowing means such as a blowing nozzle, blowing air mixed with plasticizer and for cleaning the interior of the suction nozzle and a cleaning ball dispensing device, such a device having dispensing means cooperating with the means of closing of the suction device.

De plus, à cette installation d'aspiration dans laquelle la buse d'aspiration est portée par un bras de robot, on peut associer un système de vision permettant de déterminer des décalages existants entre deux objets traités par exemple, deux caisses de véhicule et de recaler la trajectoire du robot pour réaliser une aspiration et plus précisément un lissage approprié. Un tel système de vision comprend par exemple quatre caméras fixes et des moyens de traitement de l'image donnée à partir de trois de ces caméras.In addition, at this suction installation in which the suction nozzle is carried by a robot arm, it is possible to associate a vision system making it possible to determine existing offsets between two treated objects, for example two vehicle and to recalibrate the trajectory of the robot to achieve a suction and more precisely an appropriate smoothing. Such a vision system includes, for example, four fixed cameras and image processing means given from three of these cameras.

Ainsi, de manière avantageuse, on peut mettre en oeuvre un lissage du cordon d'étanchéité d'une caisse de véhicule même dans des zones difficiles d'accès en automatique, tenant les temps de cycle, tout en restant propre et n'ayant pas de difficultés d'encrassement.Thus, advantageously, it is possible to implement a smoothing of the sealing bead of a vehicle body even in areas difficult to access automatically, holding the cycle times, while remaining clean and not having fouling difficulties.

Ainsi, la matière visqueuse tel que du mastic est lissée par la cale se trouvant au bout de la buse d'aspiration, par la suite le mastic est aspiré par la buse et passe par le tuyau avant d'atterrir dans le fût de récupération.Thus, the viscous material such as putty is smoothed by the wedge at the end of the suction nozzle, thereafter the sealant is sucked by the nozzle and passes through the pipe before landing in the recovery drum.

Une telle installation permet d'avoir un lissage constant, ne dépendant pas de l'encrassement, tout en ayant une cale qui ne se salit pas. Le système de nettoyage permet de garder la cale et le dispositif d'aspiration propre en passant par les différentes étapes entre chaque cycle.Such an installation makes it possible to have a constant smoothing, not depending on the fouling, while having a shim that does not get dirty. The cleaning system keeps the bilge and suction device clean by going through the different steps between each cycle.

Le distributeur de balles permet de faire passer une balle par le dispositif pour nettoyer le tuyau flexible régulièrement et en automatique pour éviter de donner des contraintes à la production.The ball dispenser makes it possible to pass a ball through the device to clean the hose regularly and automatically to avoid giving constraints to production.

Le système d'aspiration, comprenant des moyens d'arrêt tels qu'une vanne de shunt et le régulateur de puissance permet de gérer la puissance d'aspiration en fonction des contraintes et de l'emplacement des cordons à traiter.The suction system, comprising stop means such as a shunt valve and the power regulator to manage the suction power according to the constraints and the location of the cords to be treated.

L'invention permet avantageusement d'automatiser des opérations de grande dextérité, tout en évitant l'exposition des opérateurs aux inhalations de produits toxiques et en supprimant des opérations « manuelles » pouvant provoquer des troubles musculo-squelettiques lorsque les emplacements traités étaient difficiles d'accès.The invention advantageously makes it possible to automate operations of great dexterity, while avoiding the exposure of operators to the inhalation of toxic products and by suppressing "manual" operations that can cause musculoskeletal disorders when the treated sites were difficult to access.

Ainsi, l'invention permet la mise en oeuvre d'un procédé pour lisser un cordon d'étanchéité de carrosserie, selon les étapes consistant à : approcher la buse vers le cordon d'étanchéité, lisser le cordon avec la cale, aspirer le surplus de matière retiré du cordon, récupérer le surplus de matière du cordon, dégager la buse.Thus, the invention allows the implementation of a method for smoothing a body bead, according to the steps of: approaching the nozzle towards the sealing bead, smooth the bead with the shim, suck up the surplus of material removed from the cord, recover the excess material of the cord, clear the nozzle.

On offre ainsi une bien meilleure répétabilité du processus de lissage et un meilleur rendement de traitement.This provides a much better repeatability of the smoothing process and a better processing efficiency.

Claims (10)

Dispositif d'aspiration pour produit visqueux, tel qu'une matière d'étanchéité comprenant une buse (1) présentant une première ouverture d'aspiration du produit, un tuyau (3) et un bac de récupération (7a), ladite buse (1) présentant une deuxième ouverture pour son raccordement audit tuyau (3), caractérisé en ce que la buse (1) comporte une troisième ouverture (22, 220) et des moyens d'obturation amovibles de ladite ouverture (22, 220).Suction device for a viscous product, such as a sealing material comprising a nozzle (1) having a first suction opening of the product, a pipe (3) and a recovery tank (7a), said nozzle (1 ) having a second opening for its connection to said pipe (3), characterized in that the nozzle (1) has a third opening (22, 220) and removable closure means of said opening (22, 220). Dispositif d'aspiration selon la revendication 1, caractérisé en ce que la troisième ouverture (22, 220) présente une section sensiblement égale à celle du tuyau (3).Suction device according to claim 1, characterized in that the third opening (22, 220) has a section substantially equal to that of the pipe (3). Dispositif d'aspiration selon l'une des revendications 1 et 2, caractérisé en ce que la buse (1) comporte une partie tubulaire (2, 21) de section sensiblement égale à la section du tuyau d'aspiration (3) dont une extrémité constitue l'ouverture de raccordement du tuyau, et une partie dite tête de buse comprenant l'ouverture d'aspiration du produit.Suction device according to one of claims 1 and 2, characterized in that the nozzle (1) has a tubular portion (2, 21) of section substantially equal to the section of the suction pipe (3), one end of which constitutes the connection opening of the pipe, and a so-called nozzle head portion comprising the suction opening of the product. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la buse (1) comporte une ouverture (22) ménagée dans la paroi de sa partie tubulaire (2), cette troisième ouverture (22) constituant une ouverture d'introduction d'un organe de nettoyage dans le dispositif.Device according to one of claims 1 to 3, characterized in that the nozzle (1) has an opening (22) formed in the wall of its tubular portion (2), this third opening (22) constituting an opening opening a cleaning member in the device. Dispositif selon la revendication 4, caractérisé en ce que les moyens d'obturation sont constitués d'une bague (23) montée coulissante autour de la partie tubulaire (2) entre une position de fermeture où la bague (23) masque l'ouverture (22) de la partie tubulaire (2) et une position d'ouverture où, après coulissement de la bague (23) sur la partie tubulaire (2), la bague (23) libère l'ouverture (22).Device according to Claim 4, characterized in that the closure means consist of a ring (23) slidably mounted around the tubular part (2) between a closed position where the ring (23) conceals the opening ( 22) of the tubular part (2) and an open position where, after sliding of the ring (23) on the tubular part (2), the ring (23) releases the opening (22). Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la buse (1) est constituée d'une partie tubulaire (21) raccordée de manière articulée à une partie tête de buse (11), la troisième ouverture (220) étant constituée par l'extrémité de la partie tubulaire (21) raccordée à la partie tête de buse (11) qui montée pivotante sur la partie tubulaire (21) constitue les moyens d'obturation de ladite troisième ouverture (220).Device according to one of claims 1 to 3, characterized in that the nozzle (1) consists of a tubular part (21) hingedly connected to a nozzle head part (11), the third opening (220). being constituted by the end of the tubular portion (21) connected to the nozzle head portion (11) which pivotally mounted on the tubular portion (21) constitutes the means for closing said third opening (220). Dispositif d'aspiration selon l'une des revendications 1 à 6, caractérisé en ce qu'une cale de lissage (1a) est montée dans la partie tête de buse (10, 11) de manière à s'étendre en travers de l'ouverture d'aspiration, au moins son extrémité étant en saillie de l'ouverture.Suction device according to one of claims 1 to 6, characterized in that a smoothing wedge (1a) is mounted in the nozzle head section (10, 11) so as to extend across the suction opening, at least its end protruding from the opening. Installation d'aspiration d'un produit visqueux comprenant le dispositif d'aspiration selon l'une des revendications 1 à 5 et un distributeur automatique (30) d'organe de nettoyage muni d'une ouverture de distribution (35) vers le dispositif d'aspiration, des moyens de fermeture amovibles de ladite ouverture de distribution (35) étant prévus, actionnables par la buse (1) du dispositif d'aspiration.Suction apparatus for a viscous product comprising the suction device according to one of claims 1 to 5 and a cleaning device dispenser (30) having a dispensing opening (35) to the dispensing device suction, removable closing means of said dispensing opening (35) being provided, operable by the nozzle (1) of the suction device. Procédé de lissage d'un cordon d'étanchéité de carrosserie, à l'aide d'un dispositif d'aspiration selon la revendication 7 selon les étapes consistant à : - approcher la buse (1) vers le cordon d'étanchéité, - lisser le cordon avec la cale (1a), - aspirer le surplus de matière retiré du cordon, - récupérer le surplus de matière du cordon, - dégager la buse (1). A method of smoothing a body bead, using a suction device according to claim 7 according to the steps of: - approach the nozzle (1) towards the sealing bead, - smooth the cord with the shim (1a), - suck the excess material removed from the cord, - recover the excess material from the cord, - remove the nozzle (1). Buse d'aspiration pour un dispositif d'aspiration selon l'une des revendications 1 à 6, présentant une première ouverture d'aspiration et une deuxième ouverture pour son raccordement à un tuyau (3), caractérisé en ce que la buse (1) comporte une troisième ouverture (22, 220) et des moyens d'obturation amovibles de ladite ouverture (22, 220).Suction nozzle for a suction device according to one of Claims 1 to 6, having a first suction opening and a second opening for connection to a hose (3), characterized in that the nozzle (1) has a third opening (22, 220) and removable closure means of said opening (22, 220).
EP18204944.5A 2017-11-20 2018-11-07 Suction device for a viscous product Active EP3485989B1 (en)

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FR1760909A FR3073757A1 (en) 2017-11-20 2017-11-20 SUCTION DEVICE FOR VISCOUS PRODUCT.

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ES2927017T3 (en) 2022-11-02
FR3073757A1 (en) 2019-05-24

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