EP2002934A1 - Dispositif de nettoyage par rayonnement chaud à sec - Google Patents

Dispositif de nettoyage par rayonnement chaud à sec Download PDF

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Publication number
EP2002934A1
EP2002934A1 EP08010425A EP08010425A EP2002934A1 EP 2002934 A1 EP2002934 A1 EP 2002934A1 EP 08010425 A EP08010425 A EP 08010425A EP 08010425 A EP08010425 A EP 08010425A EP 2002934 A1 EP2002934 A1 EP 2002934A1
Authority
EP
European Patent Office
Prior art keywords
dry ice
cleaning device
spray nozzle
cleaned
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08010425A
Other languages
German (de)
English (en)
Inventor
Konrad Hellmund
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.)
Pro Helio Trockeneisservice GmbH
Original Assignee
Pro Helio Trockeneisservice GmbH
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 Pro Helio Trockeneisservice GmbH filed Critical Pro Helio Trockeneisservice GmbH
Publication of EP2002934A1 publication Critical patent/EP2002934A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/003—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods using material which dissolves or changes phase after the treatment, e.g. ice, CO2
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
    • B24C3/04—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other stationary

Definitions

  • the invention relates to a dry ice blast cleaning device with a pivotally mounted spray nozzle.
  • a spray nozzle is pivotally mounted above the surface to be cleaned. By suitable pivoting movements of the centrally arranged spray nozzle, the dry ice jet can substantially completely cover the circular surface to be cleaned and thereby clean it.
  • a dry ice blast cleaning device of the type mentioned is exclusively suitable for cleaning a substantially flat surface, since each formation in the direction of the spray nozzle to a shading behind the underlying areas of the surface to be cleaned and a concomitant impairment of the cleaning effect leads.
  • dry ice jet cleaning can be used to advantage, among other things, in molds for tire manufacturing
  • the known dry ice blast cleaning devices are of limited use for the usual molds for tire manufacturing.
  • one of two mold halves for tire manufacture has, in addition to a side surface, a traveling center punch which is connected via a bellows to the side surface, both of which are required for the manufacture of a tire in the tool mold.
  • the punch is not extended and located approximately in the plane of the side surface, the bellows fastened between the punch and the side surface often covers part of the side surface to be cleaned and prevents or impairs its cleaning.
  • the stamp In order to ensure a reliable cleaning of the side surface, the stamp must therefore be partially or almost completely extended in the direction of the centrally disposed spray nozzle to lift the bellows from the side surface. However, then the stamp shields inside areas of the side surface against the spray nozzle, so that also no complete and reliable cleaning of the side surface can be guaranteed.
  • the spray nozzle is mounted on a movable substantially parallel to a cleaning surface holding arm.
  • the movable holding arm allows the spray nozzle to be arranged at different positions relative to the surface to be cleaned, so that individual regions of the surface to be cleaned can be irradiated with a dry ice jet from different directions and thereby reliably cleaned.
  • the holding arm is pivotally or rotatably mounted substantially centrally of the cleaning surface about a first pivot axis.
  • the spray nozzle is mounted eccentrically to the axis of rotation. If the centrally mounted holding arm is pivoted with the spray nozzle arranged eccentrically at a distance from the axis of rotation, the spray nozzle is guided along a concentric circular arc over the surface to be cleaned. A complete rotation of the holding arm, the spray nozzle is once performed in a circle over the surface to be cleaned.
  • a suitable distance of the spray nozzle relative to the cleaning surface can be thoroughly and reliably cleaned, for example, a side surface of a mold for tire production in one operation.
  • the support arm or the arrangement of the spray nozzle on the support arm and the side surface of the mold can be cleaned with a fully extended punch and a consequently raised bellows.
  • the spray nozzle is mounted pivotably about a second pivot axis on the holding arm and the second pivot axis has an angle relative to the first pivot axis.
  • the spray nozzle is pivotable in a plane which is perpendicular to the plane in which the support arm can be moved pivotably or rotatably.
  • the tip of the spray nozzle can then be moved along a gate area.
  • the spray nozzle is mounted longitudinally movable on the support arm.
  • the cleaning effect can be improved by that the dry ice jet is directed from different directions to the corresponding area of the surface to be cleaned and that the cleaning effecting disadvantageous shading effects of projecting edges can be avoided.
  • the dry ice jet cleaning device has a device for centering the first pivot axis of the holding arm relative to a substantially circular area to be cleaned.
  • a largely automated dry ice blast cleaning device to successively clean a large number of substantially identical molds, it is advantageous if the position of the support arm relative to the surface to be cleaned can be automatically set and optimized by suitable means.
  • a suitable device for centering the first pivot axis of the holding arm for example, a plurality of stops which are arranged concentrically along an imaginary circumferential line.
  • the attacks are expediently designed and aligned so that they surround the edge of the circular surface to be cleaned and thereby specify the desired position of the pivotally mounted in the middle support arm.
  • the stops can be in operative connection with a lever mechanism, so that upon actuation of the Hebelmechanismusses the radial distance of the stops is equally variable.
  • the dry ice blast cleaning device can be moved quickly and without special care in the vicinity of the desired position relative to the surface to be cleaned.
  • the stops should come to lie laterally next to the edge of the surface to be cleaned. However, it is not necessary that all or some attacks already have to be close to the edge of the surface to be cleaned.
  • FIG. 1 and 2 are only schematically illustrated the essential components of a dry ice blast cleaning device 1 according to the invention.
  • a radially projecting support arm 2 is pivotally mounted about an axis of rotation 3 shown in phantom, which is aligned substantially perpendicular to a surface 4 to be cleaned.
  • a pivot bearing 5 and a holder 6, which connect the pivot bearing 5 and thus the support arm 2 with a housing frame, not shown, of the dry ice blast cleaning device 1 are also indicated only schematically.
  • a spray nozzle 7 is arranged at a distance from the axis of rotation 3.
  • the spray nozzle 7 is pivotally mounted about a second axis of rotation 8.
  • a dry ice jet supplied by means of unillustrated connecting lines can be directed through the spray nozzle 7 onto an area 4 to be cleaned arranged underneath.
  • the tip 9 of the spray nozzle 7 can be moved along a toroidal surface whose characteristic dimensions are predetermined by the distances of the second axis of rotation 8 relative to the first axis of rotation 3 and the tip 9 of the spray nozzle 7 relative to the second axis of rotation 8.
  • a device for concentric alignment of the first axis of rotation 3 of the support arm 2 is shown.
  • the device 12 has three stops 13, which are each mounted pivotably on a concentrically arranged fastening ring 14.
  • an actuating ring 15 is rotatably mounted, which is operatively connected via actuating lever 16 with the stops 13.
  • the dry-jet cleaning device 1 is arranged above or below a surface 4 to be cleaned in such a way that the circular surface 4 to be cleaned comes to rest between the stop surfaces 17 protruding perpendicularly thereto, then by actuating the actuating ring 15 and radially inwardly pivoting it Stop surfaces 17 an automated centering of the dry ice blast cleaning device 1 and the axis of rotation 3 of the support arm 2 are forced relative to the circular surface 4 to be cleaned.
  • the device 12 for centric alignment including in Fig. 3 Not shown components holding arm 2 and spray nozzle 7 of the dry ice blast cleaning device 1 are surrounded by a noise protection cover 18.
  • the unilaterally open noise protection cover 18 is adapted in terms of their dimensions expediently to the dimension of the circular surface to be cleaned 4 and should fit snugly or cover the surface to be cleaned 4 as completely as possible in order to effect a good noise reduction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP08010425A 2007-06-12 2008-06-09 Dispositif de nettoyage par rayonnement chaud à sec Withdrawn EP2002934A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200720008402 DE202007008402U1 (de) 2007-06-12 2007-06-12 Trockeneisstrahlreinigungsvorrichtung

Publications (1)

Publication Number Publication Date
EP2002934A1 true EP2002934A1 (fr) 2008-12-17

Family

ID=38580462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08010425A Withdrawn EP2002934A1 (fr) 2007-06-12 2008-06-09 Dispositif de nettoyage par rayonnement chaud à sec

Country Status (2)

Country Link
EP (1) EP2002934A1 (fr)
DE (1) DE202007008402U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106002645A (zh) * 2016-05-30 2016-10-12 哈尔滨工大智慧工厂有限公司 一种磨料水射流抛光机

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015219430A1 (de) * 2015-10-07 2017-04-13 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung zum Reinigen von Klebeflächen
DE102015219429A1 (de) 2015-10-07 2017-04-13 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Reinigen mithilfe von festem Kohlenstoffdioxid
CN105269465A (zh) * 2015-11-17 2016-01-27 重庆明治百通机械制造有限公司 喷枪旋转式湿式喷砂房

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998007548A1 (fr) * 1996-08-22 1998-02-26 The Goodyear Tire And Rubber Company Nettoyage de moules a pneus au co2 par dispositif robotique
DE19830397A1 (de) * 1998-07-08 2000-01-20 Diw Instandhaltung Gmbh Vorrichtung und Verfahren zum Reinigen von Vulkanisierformen
DE19936698C1 (de) * 1999-08-04 2000-12-21 Continental Ag Vorrichtung zur Reinigung von Vulkanisationsformen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998007548A1 (fr) * 1996-08-22 1998-02-26 The Goodyear Tire And Rubber Company Nettoyage de moules a pneus au co2 par dispositif robotique
DE19830397A1 (de) * 1998-07-08 2000-01-20 Diw Instandhaltung Gmbh Vorrichtung und Verfahren zum Reinigen von Vulkanisierformen
DE19936698C1 (de) * 1999-08-04 2000-12-21 Continental Ag Vorrichtung zur Reinigung von Vulkanisationsformen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106002645A (zh) * 2016-05-30 2016-10-12 哈尔滨工大智慧工厂有限公司 一种磨料水射流抛光机
CN106002645B (zh) * 2016-05-30 2019-04-12 哈尔滨工大智慧工厂有限公司 一种磨料水射流抛光机

Also Published As

Publication number Publication date
DE202007008402U1 (de) 2007-10-11

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