JPH02277576A - Coating method for perforated hollow body - Google Patents

Coating method for perforated hollow body

Info

Publication number
JPH02277576A
JPH02277576A JP9727889A JP9727889A JPH02277576A JP H02277576 A JPH02277576 A JP H02277576A JP 9727889 A JP9727889 A JP 9727889A JP 9727889 A JP9727889 A JP 9727889A JP H02277576 A JPH02277576 A JP H02277576A
Authority
JP
Japan
Prior art keywords
hollow body
perforated hollow
porous body
air
hollow porous
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
JP9727889A
Other languages
Japanese (ja)
Other versions
JPH0653250B2 (en
Inventor
Akira Kawahara
晃 川原
Hisayoshi Takazawa
高沢 寿佳
Susumu Mitani
進 三谷
Kazunori Hashisato
橋里 和則
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.)
YOSHIMOTO PAUL KK
Nippon Telegraph and Telephone Corp
Original Assignee
YOSHIMOTO PAUL KK
Nippon Telegraph and Telephone Corp
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 YOSHIMOTO PAUL KK, Nippon Telegraph and Telephone Corp filed Critical YOSHIMOTO PAUL KK
Priority to JP1097278A priority Critical patent/JPH0653250B2/en
Publication of JPH02277576A publication Critical patent/JPH02277576A/en
Publication of JPH0653250B2 publication Critical patent/JPH0653250B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C21/00Accessories or implements for use in connection with applying liquids or other fluent materials to surfaces, not provided for in groups B05C1/00 - B05C19/00
    • B05C21/005Masking devices

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)

Abstract

PURPOSE:To reduce man-hour, to save cost and to improve workability and furthermore to enhance stability by immersing a preheated perforated hollow body while being rotated in a fluidization tank for coating the perforated hollow body and also forcedly introducing compressed air into the perforated hollow body. CONSTITUTION:A pair of cones 8 are fitted to both ends of a perforated hollow body A preheated at 200-300 deg.C to support this perforated hollow body A between the cones 8. These respective cones 8 are driven and rotated together with an air tube 9. A horizontal beam 1 is hung into a fluidization tank 17 while rotating the perforated hollow body A. This perforated hollow body A is immersed in powdery coating 18 housed in the tank 17 and simultaneously compressed air is forcedly introduced into the perforated hollow body A through the air tube 9. The air pressure of the inside of the hollow body A is regulated to the pressure of the outside air or more. The powdery coating 18 is prevented from being infiltrated into the hollow body A by the air blown off from a through-hole a and the gap of the hollow body A. The film thickness on the outer circumferential surface is averaged according to rotation of the hollow body A.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は空洞有孔体に透孔、隙間等を有する、例えば筐
体管柱等の空洞有孔体のコーティング方法に係るもので
ある。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method of coating a hollow porous body, such as a housing pipe column, which has through holes, gaps, etc. in the hollow porous body.

(従来の技術) 従来、この種の空洞有孔体の外面を流動浸漬法またはホ
ットスプレー法でコーティングする際、粉体塗料が空洞
有孔体内部に進入するのを防止するために、栓、または
封孔用治具でマスキングを行っている。
(Prior Art) Conventionally, when coating the outer surface of this type of hollow porous body by a fluidized dipping method or a hot spray method, plugs, Or masking is performed using a hole sealing jig.

(発明が解決しようとする諜H) 前記従来の方法によれば、透孔または隙間の形状に適合
した種々の形状の栓またはマスキング治具を必要とし、
費用が嵩み、また前記栓または治具をセットするのに多
大の手間を要する。
(Intelligence to be Solved by the Invention) According to the conventional method, plugs or masking jigs of various shapes matching the shape of the through hole or gap are required,
It is expensive and requires a lot of effort to set the stopper or jig.

更に前記マスキングは空洞有孔体の予熱後に行なうため
、危険であり、更に前記栓または治具を取外した個所の
補修が必要となる。
Furthermore, since the masking is performed after preheating the hollow porous body, it is dangerous, and furthermore, it is necessary to repair the area where the plug or jig has been removed.

本発明は前記従来技術の有する問題点に鑑みて提案され
たもので、その目的とする処は、工数が低減され、コス
トが!i′1&され、作業性が改善され、安全性が向上
された空洞有孔体のコーティング方法を提供する点にあ
る。
The present invention was proposed in view of the problems of the prior art, and its purpose is to reduce man-hours and reduce costs! It is an object of the present invention to provide a method for coating a hollow porous body with improved workability and safety.

(課題を解決するための手段) 前記の目的を達成するため、本発明に係る空洞有孔体の
コーティング方法は空洞有孔体コーティング用流動槽内
に、予熱された空洞有孔体を回転せしめながら浸漬する
とともに、同空洞有孔体内に圧搾空気を圧入するように
構成されている。
(Means for Solving the Problems) In order to achieve the above object, a method for coating a hollow porous body according to the present invention includes rotating a preheated hollow porous body in a fluidized vessel for coating a hollow porous body. It is constructed so that compressed air is forced into the hollow porous body.

(作用) 本発明によれば予熱された空洞有孔体を回転せしめなが
ら空洞有孔体コーティング用流動槽に浸漬すると同時に
、同空洞有孔体に圧搾空気を圧入することによって、同
圧搾空気は前記空洞有孔体の透孔、隙間より同空洞有孔
体の外部に吹き出して、粉体塗料の空洞有孔体内への進
入が防止され、同空洞有孔体の外周面にはその回転に伴
って塗膜が均一に層着される。
(Function) According to the present invention, a preheated hollow porous body is rotated and immersed in a fluidized bath for coating a hollow porous body, and at the same time compressed air is injected into the hollow porous body. The powder coating is blown out from the holes and gaps of the hollow porous body to the outside of the hollow porous body, and the powder coating is prevented from entering the hollow porous body, and the outer peripheral surface of the hollow porous body is coated with powder paint due to its rotation. As a result, the coating film is evenly layered.

(実施例) 以下本発明を図示の実施例について説明する。(Example) The present invention will be described below with reference to the illustrated embodiments.

(1)は流動槽上部に水平に配設されたフレーム(2)
に沿って移動する、走行うレーン(3)の電動チェンプ
ロツク(4)より懸吊された水平ビームで、同ビーム(
1)に左右一双の垂直環(5)が移動自在に懸吊されて
いる。図中(6)は同垂直桿(5)に装架されたローラ
、(7)は前記フレーム(2)間にこれと直角に接続さ
れたフレームである。
(1) is a frame (2) installed horizontally above the fluidized tank.
A horizontal beam suspended from the motorized chain lock (4) of the running lane (3) that moves along the same beam (
1), a pair of left and right vertical rings (5) are movably suspended. In the figure, (6) is a roller mounted on the vertical rod (5), and (7) is a frame connected between the frames (2) at right angles thereto.

前記各垂直環jの下端には、空洞有孔体支持用コーン(
8)を貫通する水平のエアーパイプ(9)がヘアリング
を介して回転自在に支持されている。
At the lower end of each vertical ring j, a cone for supporting a hollow perforated body (
8) is rotatably supported via a hair ring.

前記各垂直環(5)の上部にはモーター(10)が装架
され、同モーターGo)の駆動軸(11)には駆動歯輪
θ力が固着され、同駆動歯輪θりと前記エアーパイプ(
9)に固着された従動歯輪0■との間に無端状チェーン
圓が架渡され、前記モーター00によって前記コーン(
8)がエヤーパイプ(9)とともに駆動回転されるよう
になっている。
A motor (10) is mounted on the upper part of each vertical ring (5), and a drive gear θ force is fixed to the drive shaft (11) of the motor (Go), and the drive gear θ force and the air pipe(
An endless chain circle is spanned between the driven gear 0 and the driven gear 0 fixed to the motor 00, and the cone (
8) is adapted to be driven and rotated together with the air pipe (9).

更に前記エアーバイブ(9)には、スイベルジヨイント
q51を介してエアーコンプレッサー等の圧力空気供給
源に連絡するエアー供給管Oωが接続されている。
Furthermore, an air supply pipe Oω that communicates with a pressure air supply source such as an air compressor is connected to the air vibe (9) via a swivel joint q51.

而して前記−双の垂直環(5)を水平ビーム(1)に沿
って移動させ、−双の前記コーン(8)を200°C〜
300°Cに予熱された空洞有孔体内の両端に嵌合せし
め、同空洞有孔体囚を前記両コーン(8)間に支持する
とともに、同各コーン(8)をエアーチューブ(9)と
ともに駆動回転せしめることによって、前記空洞有孔体
内を回転せしめながら水平ビーム(1)を流動槽07)
内に吊下ろし、同種07)内の粉体塗料00中に浸漬せ
しめると同時に、前記エアーチューブ(9)から空洞有
孔体内内に圧搾空気を圧入して、同空洞有孔体内部の空
気圧を外気圧以上とする。
Then, - the twin vertical rings (5) are moved along the horizontal beam (1), and - the twin cones (8) are heated to 200°C.
Fitted into both ends of the hollow perforated body preheated to 300°C, the hollow perforated body is supported between the two cones (8), and each cone (8) is held together with the air tube (9). By driving and rotating the horizontal beam (1), the horizontal beam (1) is rotated inside the hollow perforated body (07).
At the same time, compressed air is injected into the hollow porous body from the air tube (9) to reduce the air pressure inside the hollow porous body. Must be at least the outside pressure.

従って前記空洞有孔体内の透孔(a)、隙間から吹き出
る空気によって、同空洞有孔体内への粉体塗料θ印の進
入が防止され、同空洞有孔体囚の回転に伴って外周面の
塗膜厚が平均化される。
Therefore, the air blown out from the holes (a) and gaps in the hollow porous body prevents the powder paint θ mark from entering the hollow porous body, and as the hollow porous body rotates, the outer circumferential surface The coating thickness is averaged.

この場合、空洞有孔体(2)の両端から管内に圧入され
る圧搾空気による空気圧は、同空洞有孔体囚の両端程、
高く、中心部分は低くなり、その効果は低減されるが、
同時に前記空洞有孔体内の熱によって同空洞有孔体内圧
入空気が加熱されて膨脹するので、同有効体内の空気圧
はその全長に亘って平均化されて透孔(a)、または隙
間から吹き出ることになり、有効に作用する。
In this case, the air pressure due to the compressed air that is forced into the pipe from both ends of the hollow perforated body (2) is
high, and the central part becomes low, its effect is reduced, but
At the same time, the air injected into the hollow porous body is heated and expanded by the heat inside the hollow porous body, so that the air pressure inside the hollow porous body is averaged over its entire length and blown out from the through hole (a) or the gap. and works effectively.

(発明の効果) 本発明によればこのように、空洞有孔体コーティング用
流動槽内に、予熱された空洞有孔体を回転せしめながら
浸漬すると同時に、同空洞有孔体内に圧搾空気を圧入す
ることによって、前記従来方法のように空洞有孔体の透
孔、隙間に栓やマスキング用治具をセットする必要がな
くなり、コストが節減され、また前記栓、マスキング用
治具の着脱の手間が不要となり、工数が低減され、また
作業の自動化が可能となる。更にコーテイング後、従来
のように予熱された空洞有孔体に栓、マスキング治具を
セットする必要がないので、作業上危険がなく、更にま
た空洞有孔体は回転によってコーティングされるので、
塗膜厚が平均化される。
(Effects of the Invention) According to the present invention, as described above, a preheated hollow porous body is immersed in a fluidized vessel for coating a hollow porous body while being rotated, and at the same time, compressed air is forced into the hollow porous body. By doing so, there is no need to set plugs or masking jigs in the holes or gaps of the hollow porous body as in the conventional method, which reduces costs and reduces the trouble of attaching and removing the plugs and masking jigs. is no longer necessary, reducing man-hours and making it possible to automate work. Furthermore, after coating, there is no need to set a plug or a masking jig on the preheated hollow porous body as in the conventional method, so there is no operational danger, and furthermore, since the hollow porous body is coated by rotation,
The coating thickness is averaged.

【図面の簡単な説明】 第1図は本発明に係る空洞有孔体のコーティング方法の
一実施例の実施状況を示す斜視図、第2図及び第3図は
夫々コーティング中及びコーテイング後における要部の
状態を示す部分正面図、第4図は本発明の方法に使用さ
れるコーティング装置の正面図、第5図はその部分斜視
図である。 囚・・−空洞有孔体、  (1)−・−水平ビーム、(
3)−・垂直環体、 (81−空洞有孔体支持用コーン、 (9)−・−エアーパイプ、 0ω−・−モーターQL
−駆動軸、    θクー駆動歯輪、0り 従動歯輪、
   04−無端状チェーン。 舅2図
[BRIEF DESCRIPTION OF THE DRAWINGS] FIG. 1 is a perspective view showing an embodiment of the coating method for a hollow porous body according to the present invention, and FIGS. 2 and 3 show important points during and after coating, respectively. FIG. 4 is a front view of the coating apparatus used in the method of the present invention, and FIG. 5 is a partial perspective view thereof. Prisoner...-Hollow perforated body, (1)--Horizontal beam, (
3)--Vertical ring body, (81-cone for supporting hollow porous body, (9)--air pipe, 0ω--motor QL
- Drive shaft, θ drive gear, zero driven gear,
04-Endless chain. Father-in-law 2

Claims (1)

【特許請求の範囲】[Claims] 空洞有孔体コーティング用流動槽内に、予熱された空洞
有孔体を回転せしめながら浸漬するとともに、同空洞有
孔体内に圧搾空気を圧入することを特徴とする空洞有孔
体のコーティング方法。
A method for coating a hollow porous body, comprising rotating and immersing a preheated hollow porous body in a fluidized vessel for coating a hollow porous body, and pressurizing compressed air into the hollow porous body.
JP1097278A 1989-04-19 1989-04-19 Method for coating hollow porous material with powder paint Expired - Fee Related JPH0653250B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1097278A JPH0653250B2 (en) 1989-04-19 1989-04-19 Method for coating hollow porous material with powder paint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1097278A JPH0653250B2 (en) 1989-04-19 1989-04-19 Method for coating hollow porous material with powder paint

Publications (2)

Publication Number Publication Date
JPH02277576A true JPH02277576A (en) 1990-11-14
JPH0653250B2 JPH0653250B2 (en) 1994-07-20

Family

ID=14188054

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1097278A Expired - Fee Related JPH0653250B2 (en) 1989-04-19 1989-04-19 Method for coating hollow porous material with powder paint

Country Status (1)

Country Link
JP (1) JPH0653250B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2777827A3 (en) * 2013-03-11 2014-12-31 General Electric Company Pressure masking systems and methods for using same in treating techniques
CN105457834A (en) * 2015-12-15 2016-04-06 浙江理工大学 Pretreatment device for pipe fitting

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102941180B (en) * 2012-11-30 2015-10-07 成都易态科技有限公司 Outer filter chimney filter horizontal rotary leaching film device and system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153974A (en) * 1984-01-24 1985-08-13 Hitachi Metals Ltd Method for coating tubular body with slurry
JPS6125660A (en) * 1984-07-12 1986-02-04 Mita Ind Co Ltd Coating device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153974A (en) * 1984-01-24 1985-08-13 Hitachi Metals Ltd Method for coating tubular body with slurry
JPS6125660A (en) * 1984-07-12 1986-02-04 Mita Ind Co Ltd Coating device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2777827A3 (en) * 2013-03-11 2014-12-31 General Electric Company Pressure masking systems and methods for using same in treating techniques
CN105457834A (en) * 2015-12-15 2016-04-06 浙江理工大学 Pretreatment device for pipe fitting
CN105457834B (en) * 2015-12-15 2017-11-17 浙江理工大学 A kind of pipe fitting pretreatment unit

Also Published As

Publication number Publication date
JPH0653250B2 (en) 1994-07-20

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