WO2017006220A1 - Cabine de peinture en poudre - Google Patents

Cabine de peinture en poudre Download PDF

Info

Publication number
WO2017006220A1
WO2017006220A1 PCT/IB2016/053887 IB2016053887W WO2017006220A1 WO 2017006220 A1 WO2017006220 A1 WO 2017006220A1 IB 2016053887 W IB2016053887 W IB 2016053887W WO 2017006220 A1 WO2017006220 A1 WO 2017006220A1
Authority
WO
WIPO (PCT)
Prior art keywords
booth
profiled elements
line
powder
walls
Prior art date
Application number
PCT/IB2016/053887
Other languages
English (en)
Inventor
Guido Bergamini
Original Assignee
Euroimpianti S.R.L.
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 Euroimpianti S.R.L. filed Critical Euroimpianti S.R.L.
Publication of WO2017006220A1 publication Critical patent/WO2017006220A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/90—Spray booths comprising conveying means for moving objects or other work to be sprayed in and out of the booth, e.g. through the booth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0207—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/44—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths using walls specially adapted for promoting separation of the excess material from the air, e.g. baffle plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/48—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths specially adapted for particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/40—Construction elements specially adapted therefor, e.g. floors, walls or ceilings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0405—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads
    • B05B13/041—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/45—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths using cyclone separators

Definitions

  • This invention relates to a vertical booth for powder painting.
  • the powder painting booth gives a high efficiency due to the particular profile of the booth and by the guns located in the four sides of the profiles which allow the surfaces to be processed to the maximum extent with the minimum overspray and with a very precise management in the dispensing of the paint powders, with a limitation in the waste and with a clear overall saving.
  • This invention can be advantageously applied in the sector of systems for synthetic resin-based powder painting and subsequent polymerisation by passing through a controlled temperature oven.
  • powder painting is a process with which it is possible to coat metal surfaces with an organic film, for decorative purposes and/or protection against corrosion and aggressive agents.
  • the parts being processed are coated with synthetic resin-based powder paint, which adheres due to the electrostatic effect, and then pass through an oven in which the paint in a first step melts and in a second step polymerises giving the consistency of an adherent layer.
  • Powder painting is generally performed in systems which, if they are of the continuous type, involve the use of an aerial chain transport belt where the parts to be painted are hung, usually sheets, pipes and profiles or elongate parts of various types, which advance progressively passing through spraying booths with electrostatic, or triboelectric, guns, an oven for polymerisation and a system for washing the parts.
  • booths substantially parallelepiped in shape with a height greater than that of the parts being processed which move in a suspended fashion advancing in a vertical position, open at the front for introducing parts during their painting and equipped with base walls, bottom walls and two opposite lateral walls, which, in order to avoid having to clean them at every colour change, may be covered with disposable sheets, or slidable belts on rollers intercepted by special scrapers which make it possible to keep constantly clean the inside of the wall.
  • the overspray does not bring any advantage to the coating process; in fact, it is a burden since it increases the quantity of material which must be disposed of, increases the load on the filters, soils the booth and increases the atmospheric emission levels: its reduction, therefore, can only represent a saving .
  • the overspray which deposits on the parts already painted has an adverse affect on the quality of the coating process, by reducing the brightness of the surface and contributing to the "orange peel" effect.
  • the aim of this invention is to provide a vertical booth for powder painting which is eguipped with means designed to create a slowing down of the air in the spraying booth, thereby creating a condition which can eliminate or at least reduce the drawbacks described above .
  • the invention aims in particular to provide a booth for powder painting in which the slowing down of the air, allowed by a suitable shaping of the booth and in particular by a suitable widening of the spraying compartment in which the objects to be painted advance hung on the transport line, associated with a particular arrangement of the spraying nozzles, gives more time for the powder to be attracted by the profiles by the electrostatic effect, thus achieving a consequent reduction in the overspray effect.
  • the main advantages of this solution relate to the fact that the distribution of the pigmented powder on the part being processed is much more homogeneous and the effect is limited, thereby achieving a final result with a higher quality and above all a better dosing and a saving of the paint powder.
  • Figure 1 is a schematic perspective view of a paint booth according to the invention located along a painting system with parts to be painted hung along an advancement line;
  • Figure 2 is a schematic plan view of the paint booth
  • Figure 3 is a schematic plan view of a detail of the paint booth.
  • the numeral 10 indicates generally a booth for spraying synthetic resins in its entirety which is located along an aerial transport line of the part 11 being processed hung on a chain 12.
  • the aerial chain transport line 12 which is located in the upper part of the powder painting system, allows the feeding at a controlled speed of the parts being processed, consisting of extruded bars or profiles of various types and length, through various processing stations .
  • the paint booth 10 in which the synthetic resin- based pigment is sprayed through pneumatic guns 13 allowing adhesion of the powders on the parts being processed by the electrostatic effect, is located between a pre-treatment station, where the degreasing, washing and drying of the parts is performed, and a polymerisation oven.
  • the distinctive feature of the invention refers to the features of the paint booth 10, which is designed to optimise the spraying process and to improve the adhesion of the pigmented powder, limiting as much as possible the overspray effect with the consequent result of improving the dosing and achieving a saving of the painting powder.
  • the paint booth 10 which is crossed centrally by the line 11 for advancing the parts hung on the chain 12, has on the inside of it self-cleaning walls 14 which are positioned in pairs which face each other, where each of the two walls which form each pair is inclined symmetrically relative to the other on a vertical axis relative to the feed line, forming an arrangement which is substantially rhomboidal consisting of pairs of inclined walls which face each other.
  • each pair of inclined walls 14, which are slightly and mutually separated by a slit there is a respective aspiration line 15 consisting of vertical pipes connected to an air duct, which is not illustrated, which allows suction of the powders which are collected by a separating cyclone 16 to which the air duct is in turn connected.
  • the substantially rhomboidal and symmetrical arrangement of the self-cleaning walls passed through centrally by the line for advancing parts to be painted allows, close to the inlet zone A and the outlet zone B, for there to be two narrower sectors of the booth which widens centrally in the proximity of the spraying zone, and this determines a widening of the central section of the booth with a slowing down of the suction air entering from the outside.
  • the guns 13 for spraying the pigmented powder are positioned in perfect symmetry on four sides of the booth and are moved by four robots located inside the booth itself, in proximity of the four self-cleaning walls 14.
  • a further advantage offered by the solution according to the invention relates to the possibility to paint very large parts and sheets which are impossible to be treat with the use of the traditional solutions.
  • the solution described also makes it possible to achieve another important advantage compared with the prior art solutions, which is that of preventing the rotation of the parts the during injection of the powders, an operation which was previously necessary for the purpose of a correct distribution.

Landscapes

  • Electrostatic Spraying Apparatus (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

L'invention concerne une cabine (10) pour peindre par une peinture en poudre des éléments profilés (11) qui se déplacent en étant suspendus le long d'une ligne d'avancement (12) située entre une station de prétraitement, dans laquelle sont mis en œuvre un dégraissage, un lavage et un séchage des éléments profilés (11), et un four de polymérisation, la ligne d'avancement (12) des éléments profilés croisant, le long d'une direction sensiblement centrale et linéaire, la cabine (10) qui possède une embouchure d'entrée (A) opposée à une embouchure de sortie (B), et des paires symétriquement inclinées de parois autonettoyantes (14) étant disposées à l'intérieur de la cabine (10) et sur deux côtés opposés de la ligne des éléments profilés suspendus (11), entre lesquels des colonnes (15) d'aspiration des parois sont disposées, et des groupes de pistolets pulvérisateurs (13) sont disposés par paires sur les côtés de la ligne tant au niveau de l'entrée que de la sortie, par rapport à la cabine (10).
PCT/IB2016/053887 2015-07-03 2016-06-29 Cabine de peinture en poudre WO2017006220A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUB2015A001964A ITUB20151964A1 (it) 2015-07-03 2015-07-03 Cabina per la verniciatura a polveri
ITUB2015A001964 2015-07-03

Publications (1)

Publication Number Publication Date
WO2017006220A1 true WO2017006220A1 (fr) 2017-01-12

Family

ID=54200019

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2016/053887 WO2017006220A1 (fr) 2015-07-03 2016-06-29 Cabine de peinture en poudre

Country Status (2)

Country Link
IT (1) ITUB20151964A1 (fr)
WO (1) WO2017006220A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106984475A (zh) * 2017-06-12 2017-07-28 何建龙 一种喷漆装置
CN108889521A (zh) * 2018-07-30 2018-11-27 安徽通全孵化器管理有限公司 一种汽车零部件喷涂装置
WO2019202412A1 (fr) * 2018-04-16 2019-10-24 Carlisle Fluid Technologies, Inc. Cabine de revêtement
IT201900018962A1 (it) * 2019-10-16 2021-04-16 S E F Italia S R L Stazione di verniciatura a polveri con impianto automatico di pulizia.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230715A (en) * 1989-04-21 1990-10-31 Missier Gabriele Trasmetal "Cabinet for electrostatic painting"
WO2012089787A1 (fr) * 2010-12-28 2012-07-05 Trasmetal S.P.A. Cabine de peinture pour peindre des plantes pour des produits
WO2014154668A1 (fr) * 2013-03-29 2014-10-02 Sat (Surface Aluminium Technologies) S.P.A. Système pour revêtement de poudre pour éléments à revêtir de longueur élevée

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230715A (en) * 1989-04-21 1990-10-31 Missier Gabriele Trasmetal "Cabinet for electrostatic painting"
WO2012089787A1 (fr) * 2010-12-28 2012-07-05 Trasmetal S.P.A. Cabine de peinture pour peindre des plantes pour des produits
WO2014154668A1 (fr) * 2013-03-29 2014-10-02 Sat (Surface Aluminium Technologies) S.P.A. Système pour revêtement de poudre pour éléments à revêtir de longueur élevée

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106984475A (zh) * 2017-06-12 2017-07-28 何建龙 一种喷漆装置
WO2019202412A1 (fr) * 2018-04-16 2019-10-24 Carlisle Fluid Technologies, Inc. Cabine de revêtement
CN112703060A (zh) * 2018-04-16 2021-04-23 卡莱流体技术有限公司 涂覆室
JP2021511961A (ja) * 2018-04-16 2021-05-13 カーライル フルイド テクノロジーズ，インコーポレイティド コーティングブース
US11059066B2 (en) 2018-04-16 2021-07-13 Carlisle Fluid Technologies, Inc. Coating booth
CN112703060B (zh) * 2018-04-16 2022-06-10 卡莱流体技术有限公司 涂覆室
CN108889521A (zh) * 2018-07-30 2018-11-27 安徽通全孵化器管理有限公司 一种汽车零部件喷涂装置
IT201900018962A1 (it) * 2019-10-16 2021-04-16 S E F Italia S R L Stazione di verniciatura a polveri con impianto automatico di pulizia.
WO2021074805A1 (fr) * 2019-10-16 2021-04-22 S.E.F. Italia S.R.L. Station de peinture en poudre avec système de nettoyage automatique

Also Published As

Publication number Publication date
ITUB20151964A1 (it) 2017-01-03

Similar Documents

Publication Publication Date Title
WO2017006220A1 (fr) Cabine de peinture en poudre
CN105142801B (zh) 用于相当长的待涂覆元件的涂覆室
US3311085A (en) Apparatus for coating objects
CN105983503A (zh) 一种全自动塑胶真空镀膜涂装线及镀膜方法
US10583456B2 (en) Method and apparatus for applying paint on basically flat parts
KR20180022479A (ko) 징크프라이머 분체도장시스템과 이를 이용한 분체도장방법
CN105102135A (zh) 用于相当长的待涂覆元件的粉末涂覆系统
KR20030036014A (ko) 다채 모양 도장 설비 및 다채 모양 도장 방법
JPH01272190A (ja) プリント回路板の静電ラッカー塗布方法およびその実施のための装置
US2794751A (en) Electrostatic depositing method
JP2021511961A (ja) コーティングブース
JP6529417B2 (ja) 粉体塗装装置
JP5085185B2 (ja) 摩擦帯電式静電塗装装置
US2730460A (en) Electrostatic method and apparatus
EP2953726B1 (fr) Système et procédé de traitement externe de cuirs de tannerie
JP5546159B2 (ja) 静電粉体塗装の塗装ブース
CN104785399A (zh) 一种汽车后视镜喷涂装置
CN102143802B (zh) 涂层设备和方法
CN110508472A (zh) 喷涂工艺
JP2017077505A (ja) 粉体塗装方法
US3017114A (en) Electrostatic paint spray
JP4440733B2 (ja) 粉体塗装方法
CN210815804U (zh) 静电喷涂设备及静电喷涂系统
KR102005724B1 (ko) 피도물의 곡선형 이송구조를 갖는 도장부스
US2945472A (en) Apparatus for electrostatically spraying paint

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16745503

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16745503

Country of ref document: EP

Kind code of ref document: A1