EP3145647B1 - Outil de nettoyage pour un bras robotique destiné à nettoyer des trous taraudés, des vis sans tête et des surfaces, entre autres au niveau de soubassements - Google Patents

Outil de nettoyage pour un bras robotique destiné à nettoyer des trous taraudés, des vis sans tête et des surfaces, entre autres au niveau de soubassements Download PDF

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Publication number
EP3145647B1
EP3145647B1 EP15745372.1A EP15745372A EP3145647B1 EP 3145647 B1 EP3145647 B1 EP 3145647B1 EP 15745372 A EP15745372 A EP 15745372A EP 3145647 B1 EP3145647 B1 EP 3145647B1
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EP
European Patent Office
Prior art keywords
air
cleaning
spray nozzle
robot arm
bolt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15745372.1A
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German (de)
English (en)
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EP3145647A1 (fr
Inventor
André Friedenberger
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.)
Schmitt Prof Moehlmann and Collegen Wirtschaftskanzlei Insolvenzverwalter AG
Original Assignee
Schmitt Prof Moehlmann and Collegen Wirtschaftskanzlei Insolvenzverwalter AG
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Application filed by Schmitt Prof Moehlmann and Collegen Wirtschaftskanzlei Insolvenzverwalter AG filed Critical Schmitt Prof Moehlmann and Collegen Wirtschaftskanzlei Insolvenzverwalter AG
Publication of EP3145647A1 publication Critical patent/EP3145647A1/fr
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    • 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
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/005—Nozzles or other outlets specially adapted for discharging one or more gases

Definitions

  • the invention relates to a cleaning tool for a robot arm of an industrial robot arm for cleaning threaded holes, stud bolts and surfaces, among other things on machine and vehicle underbody constructions, by means of compressed air nozzle technology, the robot arm being equipped with a pneumatic rotary unit and with connecting elements to the robot arm.
  • a compressed air nozzle tool Also in the GB 887 099 A1 will be a solution to remove loose Particles in a borehole are shown by a compressed air nozzle tool.
  • the contaminant particles are transported out of the borehole and away from the borehole by means of centrally arranged and laterally arranged compressed air nozzles at the tool end by exact positioning of this nozzle shaft above the bore and exposure to compressed air.
  • blow-out nozzle body which can free dirt particles from the deep and often angled spark plug injection nozzle shafts.
  • a blow-out nozzle body which is equipped with nozzle arrangements and a compressed air supply, is fastened to a hose in order to be inserted and positioned in the angled injection nozzle shafts.
  • the object of the invention is to overcome the disadvantages of the prior art and to create a robot tool, with the aid of which the tool can be used for cleaning the surface, tapping and bolt cleaning of machine and chassis structures to be able to safely remove and clean these areas from existing soiling and residues of treatment materials, such as impregnation material, thread cutting dust and the like.
  • the housing of the pneumatic spray nozzle is arranged axially by means of a fastening flange within the torque support structure in such a way that the spray nozzle can execute a rotational movement aligned about its longitudinal axis.
  • the drive takes place via the rotating unit of the robot arm.
  • Between the torque support structure and the housing of the pneumatic spray nozzle are two separately sealed and Independently controllable air chambers arranged radially around the housing of the spray nozzle. These are each connected by means of air channels within the housing of the pneumatic spray nozzle to the air routing units running there separately for surface cleaning and for cleaning the tapped holes, and are each also separately controllable.
  • the air guide unit for the threaded bore cleaning is designed as an axially arranged separate movable spray nozzle with an outer diameter of approximately 1/3 of the inner diameter of the spray nozzle housing and has at least one air outlet opening for cleaning the threaded holes.
  • This air outlet opening is equipped with an air guiding edge, so that the air outlet is aligned against the air guiding direction.
  • the spray nozzle is designed such that it protrudes at least by the length of the hole depth to be cleaned from the upper end plane of the spray nozzle housing.
  • the upper part of the space between the inside diameter of the spray nozzle housing and the outside diameter of the spray nozzle is designed as an air guiding unit for surface cleaning and tapers to the area of the upper end level of the spray nozzle housing.
  • the air outlet for surface cleaning is formed between the upper end level of the spray nozzle housing and the outside diameter of the spray nozzle.
  • the pneumatic bolt cleaning nozzle is arranged peripherally at a right angle to the axis alignment of the spray nozzle arrangement on the torque support structure by means of fastening elements and is connected to a separately controllable air supply unit for bolt cleaning which is arranged on the torque support structure and can be controlled separately.
  • a separately sealed air chamber supplied by the air supply unit for the bolt cleaning and designed as a circumferential groove and tapering towards the air outlet opening, which via connecting channels with the inside of the bolt cleaning nozzle around the cylindrical, axially aligned bolt receptacle for the bolts to be cleaned arranged further air chamber is arranged in connection.
  • This further air chamber has an air outlet opening directed into the bolt receptacle at the end plane of the bolt cleaning nozzle.
  • At the lower end of the bolt cleaning nozzle there is also a channel for removing the removed dirt particles, so that the removed material and dirt residues can be pressed into and through the channel by the cleaning air to the collecting container.
  • the bolt receptacle is dimensioned such that it exceeds the dimensions of the largest bolt diameter that is present on the machine construction and is to be cleaned, and the largest length dimension thereof by at least 10%.
  • the design of the rotating unit of the robot arm is designed as a pneumatically driven rotating unit.
  • the air outlet opening of the second air chamber of the bolt cleaning nozzle can advantageously be formed on the end plane of the bolt cleaning nozzle as a circumferentially arranged air outlet groove directed into this bolt receptacle.
  • this air outlet opening is circumferential at the end plane of the bolt cleaning nozzle and is designed as individual air outlet openings aligned in the bolt receptacle.
  • a cleaning tool for use on a robot arm for cleaning threaded holes, stud bolts and surfaces using compressed air nozzle technology initially consists of a pneumatic rotating unit and connecting elements to the robot arm.
  • a torque support structure 1 is arranged, which serves to accommodate a rotatably mounted pneumatic spray nozzle 2 and the further arrangement of a pneumatic bolt cleaning nozzle 3.
  • the pneumatic spray nozzle 2 is advantageously axially inside by means of a fastening flange 2.1 on the rotating unit 1.1 of the robot arm the torque support structure 1 fixed.
  • the pneumatic spray nozzle is mounted in such a way that it can execute a rotational movement within the torque support structure 1.
  • two separately sealed air chambers LK 1 and LK 2 are formed between the torque support structure 1 and the pneumatic spray nozzle 2. These are connected to the air pressure supply with a separately controllable compressed air supply unit LF 1 or LF 2.
  • circumferential through bores 2.3 are arranged in the area of the air chamber arrangements, which serve to establish the connection between the air chambers LK 1 and LK 2 to the air guide units LF 1 and LF 2.
  • the air guide unit LF 1 is designed as an axially arranged separate spray nozzle 2.4. It has an outer diameter of approximately 1/3 of the inner diameter of the spray nozzle housing 2.2.
  • the air outlet opening 2.5 is arranged on the periphery of the spray nozzle 2.4, at least one of the air outlet openings 2.5 having an air outlet directed against the air guidance direction for cleaning the threaded bores.
  • the spray nozzle 2.4 protrudes at least by the length dimension of the tapped hole depth to be cleaned from the upper end plane 2.6 of the spray nozzle housing 2.2.
  • the upper part of the space between the inner diameter of the spray nozzle housing 2.2 and the outer diameter of the spray nozzle 2.4 is designed as an air guide unit LF 2 and tapers to the area of the upper end plane 2.6 of the spray nozzle housing 2.2, the air outlet 2.7 between this area and the outer periphery of the spray nozzle 2.4 is trained for surface cleaning.
  • the air outlet is already on the construction of the spray nozzle 2.4 and its housing 2.2 designed so advantageously that it emerges in three different directions, vertically in the direction of the air duct, opposite to the air duct and horizontally due to the swirling when these two vertical air streams meet.
  • the pneumatic bolt cleaning nozzle 3 which is further arranged at the periphery and there at a right angle to the axial alignment of the spray nozzle arrangement 2 on the torque support structure 1 by means of fastening elements 3.1, is connected to an air supply unit LF3 arranged separately on the torque support structure 1.
  • An air chamber LK 3/1 which is supplied by the air supply unit LF3 and is separately sealed and designed as a circumferential groove, is arranged within the torque support structure 1.
  • the air chamber LK 3/2 has at least one air outlet opening 3.6 directed into the bolt receptacle 3.5 at the end plane 3.2 of the bolt cleaning nozzle 3. At the lower end of the bolt cleaning nozzle 3 there is a channel 3.7 for the removal and removal of the removed dirt particles.
  • the removed material is transported in the direction of duct 3.7 through the air duct into the bolt receptacle 3.5 and through duct 3.7. away. This creates a very practical and efficient solution, avoiding post-processing of the stud to be cleaned.
  • the rotating unit 1.1 In order to realize the rotary movements of the rotating unit 1.1, it is designed as a pneumatically driven rotating unit 1.1 of the robot arm.
  • the air outlet opening 3.6 of the air chamber LK 3/2 at the end plane of the bolt cleaning nozzle 3 is advantageously designed as an air outlet groove 3.3 which is circumferentially arranged in the receptacle 3.5.
  • the air outlet opening 3.6 of the air chamber LK 3/2 at the end level 3.2 is designed as a plurality of individual air outlet openings 3.6, which are arranged in the bolt receptacle 3.5 and are arranged in a partially circumferential manner. These can be designed in such a way that their air flow axes deviate from one another, so that there is an effective flow of compressed air to the bolt to be cleaned and thus a comprehensive cleaning of the bolt.
  • Cleaning tools of this type are primarily required for cleaning mechanical engineering and automotive underbody constructions to remove impregnation material, residues of chip material in preparation for further processing.
  • a space-saving, inexpensive device has been created, which enables effective and time-saving cleaning of building structures without the need to change the robot arm cleaning tool, although the cleaning tasks in different directions and in different ways, as is the case with the bolts -, drilling and surface cleaning require it to be carried out.
  • These different tasks can be carried out by the inventive solution with a single cleaning tool for a robot arm.

Landscapes

  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)

Claims (5)

  1. Outil de nettoyage pour un bras robotisé servant à nettoyer des alésages filetés, des goujons et des surfaces entre autres au niveau de soubassements de machines et de véhicules automobiles au moyen d'une technique de buse à air comprimé, dans lequel le bras robotisé est équipé d'une unité rotative pneumatique et d'éléments de raccordement à l'outil de nettoyage,
    comprenant une structure de support de couples de rotation (1) pouvant être disposée au niveau de l'extrémité de bras robotisé, au niveau de laquelle une buse de pulvérisation pneumatique (2) montée de manière à pouvoir tourner ainsi qu'une buse de nettoyage de goujon (3) pneumatique sont disposées et la partie supérieure de l'espace intermédiaire entre le diamètre intérieur d'un boîtier de buse de pulvérisation (2.2) et le diamètre extérieur d'une buse de pulvérisation (2.4) est réalisée en tant qu'une unité de guidage d'air pour le nettoyage de surfaces et se rétrécit jusque dans la zone du plan terminal supérieur du boîtier de buse de pulvérisation.
  2. Outil de nettoyage pour un bras robotisé selon la revendication 1,
    caractérisé en ce
    que la buse de pulvérisation pneumatique (2) est disposée de manière solidaire au niveau de l'unité rotative (1.1) du bras robotisé à l'intérieur de la structure de support de couples de rotation (1) de manière à pouvoir être amenée en un mouvement de rotation axialement au moyen d'une bride de fixation (2.1),
    que sont réalisées entre la structure de support de couples de rotation (1) et la buse de pulvérisation pneumatique (2) deux chambres d'air (LK1) et (LK2) étanchéifiées séparément et pouvant être pilotées indépendamment l'une de l'autre, lesquelles sont disposées en étant raccordées à une unité d'amenée d'air comprimé (LF1) ou (LF2) pouvant être commandée séparément respectivement aux fins de l'alimentation en air comprimé,
    que des alésages (2.3) continus disposés en périphérie respectivement dans la zone de l'ensemble de chambre d'air (LK1) sont disposés dans le boîtier (2.2) de la buse de pulvérisation pneumatique (2), ce qui permet d'établir le raccordement entre les chambres d'air (LK1) et (LK2) avec les unités de guidage d'air (LF1) et (LF2), que l'unité de guidage d'air (LF1) est réalisée en tant qu'une buse de pulvérisation (2.4) séparée disposée de manière axiale avec un diamètre extérieur d'environ 1/3 du diamètre intérieur du boîtier de buse de pulvérisation (2.2) et présente au moins une ouverture de sortie d'air (2.5) dirigée dans le sens opposé au sens de guidage d'air aux fins du nettoyage des alésages filetés et dépasse d'au moins la dimension longitudinale de la profondeur d'alésage fileté à nettoyer du plan terminal (2.6) supérieur du boîtier de buse de pulvérisation (2.2).
  3. Outil de nettoyage pour un bras robotisé selon les revendications 1 et 2,
    caractérisé en ce
    que la buse de nettoyage de goujon (3) pneumatique est disposée en périphérie selon un angle droit par rapport à l'orientation axiale de l'ensemble de buse de pulvérisation (2) au niveau de la structure de support de couples de rotation (1) au moyen d'éléments de fixation (3.1) et est raccordée à une unité d'amenée d'air (LF3) disposée séparément au niveau de la structure de support de couples de rotation (1),
    qu'est disposée à l'intérieur de la structure de support de couples de rotation (1) une chambre d'air (LK3/1) alimentée par l'unité d'amenée d'air (LF3), étanchéifiée séparément, réalisée en tant qu'une rainure périphérique, laquelle est disposée au-dessus de canaux de raccordement (3.4) de manière à être raccordée à la chambre d'air (LK 3/2) disposée à l'intérieur de la buse de nettoyage de goujon (3) et autour du logement de goujon (3.5) réalisé de manière cylindrique pour les goujons à nettoyer et se rétrécissant en direction de l'ouverture de sortie d'air (3.3),
    que la chambre d'air (LK 3/2) présente au niveau du plan terminal (3.2) de la buse de nettoyage de goujon (3) une ouverture de sortie d'air (3.6) dirigée dans le logement de goujon (3.5) et
    qu'un canal (3.7) pour l'évacuation et l'élimination de particules de souillure enlevées est disposé au niveau de l'extrémité inférieure de la buse de nettoyage de goujon (3).
  4. Outil de nettoyage pour un bras robotisé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'ouverture de sortie d'air (3.6) de la chambre d'air (LK 3/2) est réalisée au niveau du plan terminal de la buse de nettoyage de goujon (3) en tant qu'une rainure de sortie d'air (3.3) disposée en périphérie dirigée dans le logement (3.5).
  5. Outil de nettoyage pour un bras robotisé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'ouverture de sortie d'air (3.6) de la chambre d'air (LK 3/2) est réalisée au niveau du plan terminal (3.2) de la buse de nettoyage de goujon (3) en tant que plusieurs ouvertures de sortie d'air (3.6) individuelles disposées en partie en périphérie, orientées dans le logement de goujon (3.5).
EP15745372.1A 2014-05-19 2015-05-19 Outil de nettoyage pour un bras robotique destiné à nettoyer des trous taraudés, des vis sans tête et des surfaces, entre autres au niveau de soubassements Active EP3145647B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014007205 2014-05-19
PCT/DE2015/000249 WO2015176702A1 (fr) 2014-05-19 2015-05-19 Outil de nettoyage pour un bras robotique destiné à nettoyer des trous taraudés, des vis sans tête et des surfaces, entre autres au niveau de soubassements

Publications (2)

Publication Number Publication Date
EP3145647A1 EP3145647A1 (fr) 2017-03-29
EP3145647B1 true EP3145647B1 (fr) 2020-07-01

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Application Number Title Priority Date Filing Date
EP15745372.1A Active EP3145647B1 (fr) 2014-05-19 2015-05-19 Outil de nettoyage pour un bras robotique destiné à nettoyer des trous taraudés, des vis sans tête et des surfaces, entre autres au niveau de soubassements

Country Status (4)

Country Link
EP (1) EP3145647B1 (fr)
DE (2) DE112015002349A5 (fr)
ES (1) ES2819532T3 (fr)
WO (1) WO2015176702A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6691066B2 (ja) 2017-01-28 2020-04-28 株式会社スギノマシン エアブロー装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB887099A (en) * 1960-01-05 1962-01-17 Borje Lennart Schoberg Improvements in or relating to a method of and means for removing loose particles from cavities
DE4403327A1 (de) * 1994-02-03 1995-08-10 Karl Bauch Reinigungsvorrichtung an mehrachsigen Werkzeugmaschinen
DE19853248A1 (de) * 1998-11-18 2000-07-06 Pbi Automation Gmbh Verfahren und Vorrichtung zur Entfernung von Beschichtungen von Gewindebolzen
DE202012008350U1 (de) * 2012-08-31 2012-10-30 Norbert Seifert Vorrichtung zum Reinigen von Dichtflächen von Zündkerzen- Glühkerzen-Einspritzdüsensitzen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102015006350A1 (de) 2015-11-19
ES2819532T3 (es) 2021-04-16
EP3145647A1 (fr) 2017-03-29
WO2015176702A1 (fr) 2015-11-26
DE112015002349A5 (de) 2017-02-16

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