JPH0741182B2 - External coating device - Google Patents
External coating deviceInfo
- Publication number
- JPH0741182B2 JPH0741182B2 JP1016028A JP1602889A JPH0741182B2 JP H0741182 B2 JPH0741182 B2 JP H0741182B2 JP 1016028 A JP1016028 A JP 1016028A JP 1602889 A JP1602889 A JP 1602889A JP H0741182 B2 JPH0741182 B2 JP H0741182B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- chamber
- coating
- pipe insertion
- communicating
- 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.)
- Expired - Fee Related
Links
Landscapes
- Spray Control Apparatus (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は管外面塗装装置に関する。TECHNICAL FIELD The present invention relates to a pipe outer surface coating apparatus.
従来の技術 従来、管の外面の塗装は、箱状のブースで塗装室を形成
し、ブースに形成された管挿通口から塗装室内に塗装対
象管を挿通し、塗装室内において塗装対象管に塗料を噴
射して行われていた。そして、塗装対象管に付着するこ
となく霧状に存在する塗料が管挿通口から塗装室の外に
散逸し、作業環境を害する問題があるために、従来は塗
装室の空気を吸引して集塵機などに送風していた。Conventional technology Conventionally, for painting the outer surface of a pipe, a box-shaped booth forms a painting chamber, the pipe to be coated is inserted into the painting chamber through the pipe insertion port formed in the booth, and the pipe to be coated is painted inside the painting chamber. Was jetted. Then, since there is a problem that paint that exists in a mist state without adhering to the pipe to be coated diffuses from the pipe insertion port to the outside of the coating chamber and harms the working environment, conventionally the air in the coating chamber is sucked in to collect dust. Was blown to.
発明が解決しようとする課題 しかし、上記した従来の構成によれば、塗料の散逸を防
ごうとして吸引力を高めると、塗装対象管に向けて噴射
した塗料が吸引気流の影響を受け、塗装対象管に対する
塗料の付着効率が低下する問題があった。However, according to the above-described conventional configuration, when the suction force is increased in order to prevent the paint from dissipating, the paint sprayed toward the coating target pipe is affected by the suction air flow, and the coating target is affected. There is a problem that the efficiency of the paint adhesion to the pipe is reduced.
本発明は上記課題を解決するもので、塗装対象管に対す
る塗料の付着効率を低下させることなく塗料の散逸を防
止することができる管外面塗装装置を提供することを目
的とする。The present invention solves the above problems, and an object of the present invention is to provide a pipe outer surface coating device capable of preventing the paint from being dissipated without reducing the efficiency of the paint to adhere to the pipe to be coated.
課題を解決するための手段 上記課題を解決するために、本発明は、塗装対象管を挿
通するための管挿通口および外部に連通する吸気口を有
した塗装室と、この塗装室内に管挿通口を通って挿通さ
れる塗装対象管に向けて開口し、塗料を噴射する塗装ガ
ンと、管挿通口を介して塗装室に連通するとともに塗装
対象管の周囲を覆って設けられた管挿通室と、一端が塗
装室に連通するとともに他端が第1風量調節器を介して
吸気装置に連通する第1吸気路と、一端が管挿通室に連
通するとともに他端が第2風量調節器を介して第1吸気
路に連通する第2吸気路とを備えた構成としたものであ
る。Means for Solving the Problems In order to solve the above problems, the present invention provides a coating chamber having a pipe insertion port for inserting a pipe to be coated and an intake port communicating with the outside, and a pipe insertion chamber in the coating chamber. A coating gun that opens toward the coating target pipe that is inserted through the mouth and that communicates with the coating gun through the pipe insertion port, and a pipe insertion chamber that covers the periphery of the coating target pipe A first air intake passage having one end communicating with the coating chamber and the other end communicating with the air intake device via the first air flow controller; and one end communicating with the pipe insertion chamber and the other end having the second air flow controller. The second intake passage communicates with the first intake passage via the first intake passage.
また、塗装対象管を挿通するための管挿通口および外部
に連通する吸気口を有した塗装室と、この塗装室内に管
挿通口を通って挿通される塗装対象管に向けて開口し、
塗料を噴射する塗装ガンと、管挿通口を介して塗装室に
連通するとともに塗装対象管の周囲を覆って設けられた
管挿通室と、一端が塗装室に第1絞り部を介して連通す
るとともに他端が吸気装置に連通する吸気路と、一端が
管挿通室に連通するとともに他端が吸気路の第1絞り部
より下流側に連通する第2絞り部とを備え、第1絞り部
と第2絞り部の流路の大きさが所定比率に形成された構
成としたものである。Further, a coating chamber having a pipe insertion port for inserting the coating target pipe and an intake port communicating with the outside, and an opening toward the coating target pipe inserted through the pipe insertion port in the coating chamber,
A painting gun for injecting paint, a pipe insertion chamber that communicates with the painting chamber through the pipe insertion port and covers the periphery of the pipe to be coated, and one end communicates with the painting chamber through the first throttle portion. And a second throttle portion having the other end communicating with the intake device, and one end communicating with the pipe insertion chamber and the other end communicating with the downstream side of the first throttle portion of the intake passage. And the size of the flow path of the second throttle portion is formed in a predetermined ratio.
作用 上記した構成により、塗装ガンから噴射された塗料で塗
装対象管に付着せず、霧状となって塗装室内の空気中に
浮遊する塗料は、吸気口から塗装室内に流入する外気と
ともに第1吸気路を通って吸引装置に吸引される。ま
た、第1吸気路に吸引されず、管挿通口から管挿通室に
流入する一部の塗料は第2吸気路を通って第1吸気路に
吸引され、他の塗料とともに吸引装置に吸い込まれる。
したがって、吸引装置の吸引力を必要以上に、すなわち
塗装対象管に対する塗料の付着を阻害するほどに高めず
とも塗料の外部への散逸が防止される。しかも、第1風
量調節器と第2風量調節器の開度を調節することによ
り、吸引装置の吸引力が塗装室と管挿通室に適宜に作用
し、塗装室内における吸引気流の流動が任意の状態に制
御される。Operation With the above-described configuration, the paint sprayed from the coating gun does not adhere to the coating target pipe and becomes a mist and floats in the air in the coating chamber, together with the outside air flowing into the coating chamber from the intake port. It is sucked by the suction device through the intake passage. Further, a part of the paint that is not sucked into the first intake passage and flows into the pipe insertion chamber from the pipe insertion opening is sucked into the first intake passage through the second intake passage and is sucked into the suction device together with other paint. .
Therefore, the dissipation of the paint to the outside can be prevented without increasing the suction force of the suction device more than necessary, that is, without increasing the paint to such an extent that the adhesion of the paint to the pipe to be coated is hindered. Moreover, by adjusting the openings of the first air volume controller and the second air volume controller, the suction force of the suction device appropriately acts on the coating chamber and the pipe insertion chamber, and the flow of the suction airflow in the coating chamber is adjusted to an arbitrary value. Controlled by the state.
また、第1絞り部と第2絞り部の流路の大きさを所定比
率とすることにより、一台の吸引装置の吸引力が塗装室
と管挿通室に適当に別れて作用し、塗装室内における吸
引気流の流動状態が最適なものに固定的に設定される。Further, by setting the sizes of the flow passages of the first throttle portion and the second throttle portion to be a predetermined ratio, the suction force of one suction device appropriately acts separately in the coating chamber and the pipe insertion chamber, and The flow state of the suction air flow at is fixedly set to the optimum one.
実施例 以下、本発明の一実施例を図面に基づいて説明する。第
1図において、塗装室1は箱状のブース2で形成されて
おり、ブース2には塗装対象管3を挿通するための一対
の第1管挿通口4および外部に連通する吸気口5が形成
され、吸気口5には吸気フィルター6が配置されてい
る。さらに、ブース2には各第1管挿通口4を介して塗
装室1に連通する管挿通室7が設けられており、この管
挿通室7には第2管挿通口8が形成されている。そし
て、塗装対象管3が第1管挿通口4と第2管挿通口8を
通り塗装室1を貫通して配置されており、この塗装対象
管3に向けて開口するとともに塗料圧送管9に連通する
塗装ガン10が塗装室1の内部に設けられている。そし
て、一端で塗装室1に連通する第1吸気路11が第1風量
調節器12を介して他端で吸気装置13に連通して設けられ
ている。また、一端で管挿通室7に連通する第2吸気路
14が第2風量調節器15を介して第1吸気路11の第1風量
調節器12よりも下流側に連通して設けられている。Embodiment An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, the coating chamber 1 is formed by a box-shaped booth 2. The booth 2 has a pair of first pipe insertion ports 4 for inserting the pipe 3 to be coated and an intake port 5 communicating with the outside. An intake filter 6 is formed on the intake port 5. Further, the booth 2 is provided with a pipe insertion chamber 7 which communicates with the coating chamber 1 through each first pipe insertion port 4, and the pipe insertion chamber 7 is formed with a second pipe insertion port 8. . The pipe 3 to be coated is arranged so as to pass through the coating chamber 1 through the first pipe insertion port 4 and the second pipe insertion port 8, and is opened toward the pipe 3 to be coated and to the paint feed pipe 9. A communicating coating gun 10 is provided inside the coating chamber 1. A first intake passage 11 communicating with the coating chamber 1 at one end is provided so as to communicate with the intake device 13 at the other end via the first air flow controller 12. In addition, the second intake passage communicating with the pipe insertion chamber 7 at one end
Reference numeral 14 is provided so as to communicate with the first intake passage 11 on the downstream side of the first air flow rate controller 12 via the second air flow rate controller 15.
以下、上記構成における作用について説明する。塗装は
ブース2内に挿通された塗装対象管3を軸心まわりに回
転させながら塗装ガン10から塗料16を噴射して行う。こ
のとき塗装ガン10から噴射された塗料16で塗装対象管3
に付着せず、霧状となって塗装室1内の空気中に浮遊す
る塗料16は、吸気口5から塗装室1内に流入する外気と
ともに第1吸気路11を通って吸引装置13に吸引される。
また、第1吸気路11に吸引されず、第1管挿通口4から
管挿通室7に流入する一部の塗料16は第2吸気路14を通
って第1吸気路11に吸引され、他の塗料16とともに吸引
装置13に吸い込まれる。したがって、吸引装置13の吸引
力を必要以上に、すなわち塗装対象管3に対する塗料16
の付着を阻害するほどに高めずとも塗料16の外部への散
逸が防止される。しかも、第1風量調節器12と第2風量
調節器15の開度を調節することにより、吸引装置13の吸
引力が塗装室1と管挿通室7に適宜に作用し、塗装室1
内における吸引気流の流動が任意の状態に制御される。The operation of the above configuration will be described below. The coating is performed by spraying the coating material 16 from the coating gun 10 while rotating the coating target tube 3 inserted in the booth 2 about the axis. At this time, the target pipe 3 to be coated with the paint 16 sprayed from the coating gun 10
The paint 16 that does not adhere to the surface and becomes a mist and floats in the air in the coating chamber 1 is sucked into the suction device 13 through the first intake passage 11 together with the outside air flowing into the coating chamber 1 from the intake port 5. To be done.
Further, a part of the paint 16 that is not sucked into the first intake passage 11 and flows into the pipe insertion chamber 7 from the first pipe insertion port 4 is sucked into the first intake passage 11 through the second intake passage 14, The paint 16 is sucked into the suction device 13. Therefore, the suction force of the suction device 13 is increased more than necessary, that is, the paint 16 for the coating target pipe 3
Dispersion of the paint 16 to the outside can be prevented without increasing it to the extent that it inhibits the adhesion of the paint. Moreover, by adjusting the openings of the first air volume controller 12 and the second air volume controller 15, the suction force of the suction device 13 appropriately acts on the coating chamber 1 and the pipe insertion chamber 7, and the coating chamber 1
The flow of the suction airflow inside is controlled to an arbitrary state.
第2図は本発明の他の実施例を示すものであり、塗装室
21は箱状のブース22で形成されており、ブース22には塗
装対象管23を挿通するための一対の第1管挿通口24およ
び外部に連通する吸気口25が形成されている。さらに、
ブース22には各第1管挿通口24を介して塗装室21に連通
する管挿通室26が設けられており、この管挿通室26には
第2管挿通口27が形成されている。そして、塗装対象管
23が第1管挿通口24と第2管挿通口27を通り塗装室21を
貫通して配置されており、この塗装対象管23に向けて開
口するとともに塗料圧送管28に連通する塗装ガン29が吸
気口25に挿通して設けられている。そして、塗装室21の
底部には第1吸気口30が一端の開口部を第1絞り部31と
して連通しており、第1吸気路30は他端で吸気装置32に
連通している。また、一端が管挿通室26に連通する第2
吸気路33が第1吸気路30の内部に同軸心状に挿入されて
おり、この第2吸気路33の他端は第2絞り部34として第
1吸気路30の第1絞り部31より下流側に位置して開口し
ている。また、第1絞り部31と第2絞り部34の流路A,B
の大きさは所定比率となるように形成されている。FIG. 2 shows another embodiment of the present invention, which is a coating room.
A box-shaped booth 22 is formed, and the booth 22 is formed with a pair of first tube insertion ports 24 for inserting the coating target pipe 23 and an intake port 25 communicating with the outside. further,
The booth 22 is provided with a pipe insertion chamber 26 that communicates with the coating chamber 21 via each first pipe insertion port 24, and a second pipe insertion port 27 is formed in the pipe insertion chamber 26. And the pipe to be painted
23 is disposed so as to pass through the coating chamber 21 through the first pipe insertion port 24 and the second pipe insertion port 27, and the coating gun 29 is opened toward the coating target pipe 23 and communicates with the coating pressure feed pipe 28. Is inserted through the intake port 25. The first intake port 30 communicates with the bottom of the coating chamber 21 as an opening at one end serving as a first throttle portion 31, and the first intake passage 30 communicates with the intake device 32 at the other end. In addition, the second end of which one end communicates with the tube insertion chamber 26
An intake passage 33 is coaxially inserted inside the first intake passage 30, and the other end of the second intake passage 33 serves as a second throttle portion 34 downstream of the first throttle portion 31 of the first intake passage 30. It is located on the side and has an opening. In addition, the flow paths A and B of the first throttle portion 31 and the second throttle portion 34
Are formed to have a predetermined ratio.
この構成においては、第1吸気路30に吸引されず、第1
管挿通口24から管挿通室26に流入する一部の塗料35は第
2吸気路33を通って第1吸気路33に吸引され、他の塗料
35とともに吸引装置32に吸い込まれる。このとき、塗装
室21と管挿通室26に作用する吸引力の比率は第1絞り部
31と第2絞り部34の流路A,Bの比率によって決定され
る。このことにより、一台の吸引装置32の吸引力が塗装
室21と管挿通室26に適当に別れて作用し、塗装室21内に
おける吸引気流の流動状態が最適なものに固定的に設定
される。In this configuration, the first intake passage 30 is not sucked and
Part of the paint 35 flowing from the pipe insertion port 24 into the pipe insertion chamber 26 is sucked into the first intake passage 33 through the second intake passage 33, and the other paint
It is sucked into the suction device 32 together with 35. At this time, the ratio of the suction force acting on the coating chamber 21 and the tube insertion chamber 26 is determined by the first throttle portion.
31 and the ratio of the flow paths A and B of the second throttle portion 34. As a result, the suction force of one suction device 32 acts appropriately on the coating chamber 21 and the pipe insertion chamber 26, and the flow state of the suction airflow in the coating chamber 21 is fixedly set to the optimum one. It
発明の効果 以上述べたように、本発明によれば、吸引装置の吸引力
を塗装対象管に対する塗料の付着を阻害するほどに高め
ずとも塗料の外部への散逸を防止することが出来る。し
かも、第1風量調節器と第2風量調節器の開度を調節す
ることにより、吸引装置の吸引力が塗装室と管挿通室に
適宜に作用させて、塗装室内における吸引気流の流動を
任意の状態に制御することができる。EFFECTS OF THE INVENTION As described above, according to the present invention, it is possible to prevent the coating material from being dissipated to the outside without increasing the suction force of the suction device to such an extent that the coating material adheres to the coating object pipe. Moreover, by adjusting the opening degree of the first air volume controller and the second air volume controller, the suction force of the suction device appropriately acts on the coating chamber and the tube insertion chamber, and the flow of the suction airflow in the coating chamber can be arbitrarily adjusted. Can be controlled.
また、第1絞り部と第2絞り部の流路の大きさを所定比
率とすることより、一台の吸引装置の吸引力を塗装室と
管挿通室に適当に別れて作用させ、塗装室内における吸
引気流の流動状態を最適なものに固定的に設定すること
ができる。Further, by setting the size of the flow passages of the first throttle portion and the second throttle portion to be a predetermined ratio, the suction force of one suction device can be appropriately applied to the coating chamber and the pipe insertion chamber to act on the coating chamber. It is possible to fixedly set the flow state of the suction air flow in the optimum state.
第1図は本発明の一実施例を示す全体構成図、第2図は
本発明の他の実施例を示す全体構成図である。 1,21……塗装室、3,23……塗装対象管、4,24……第1管
挿通口、5,25……吸気口、7,26……管挿通室、10,29…
…塗装ガン、11,30……第1吸気路、12……第1風量調
節器、13,32……吸引装置、14,33……第2吸気路、15…
…第2風量調節器、31……第1絞り部、34……第2絞り
部。FIG. 1 is an overall configuration diagram showing an embodiment of the present invention, and FIG. 2 is an overall configuration diagram showing another embodiment of the present invention. 1,21 …… Coating room, 3,23 …… Coating pipe, 4,24 …… First pipe insertion port, 5,25 …… Intake port, 7,26 …… Pipe insertion chamber, 10,29…
… Painting gun, 11,30 …… First intake passage, 12 …… First air flow controller, 13,32 …… Suction device, 14,33 …… Second intake passage, 15…
… Second air flow controller, 31 …… First throttle, 34 …… Second throttle.
Claims (2)
び外部に連通する吸気口を有した塗装室と、この塗装室
内に管挿通口を通って挿通される塗装対象管に向けて開
口し、塗料を噴射する塗装ガンと、管挿通口を介して塗
装室に連通するとともに塗装対象管の周囲を覆って設け
られた管挿通室と、一端が塗装室に連通するとともに他
端が第1風量調節器を介して吸気装置に連通する第1吸
気口と、一端が管挿通室に連通するとともに他端が第2
風量調節器を介して第1吸気路に連通する第2吸気路と
を備えたことを特徴とする管外面塗装装置。1. A coating chamber having a pipe insertion port for inserting the pipe to be coated and an intake port communicating with the outside, and an opening toward the pipe to be coated inserted through the pipe insertion port in the coating chamber. The paint gun that sprays paint, the pipe insertion chamber that communicates with the coating chamber through the pipe insertion port and that covers the circumference of the pipe to be coated, and one end that communicates with the coating chamber and the other end A first intake port communicating with the intake device via the first air flow controller, one end communicating with the pipe insertion chamber, and the other end second.
A pipe outer surface coating apparatus, comprising: a second intake passage communicating with the first intake passage via an air flow controller.
び外部に連通する吸気口を有した塗装室と、この塗装室
内に管挿通口を通って挿通される塗装対象管に向けて開
口し、塗料を噴射する塗装ガンと、管挿通口を介して塗
装室に連通するとともに塗装対象管の周囲を覆って設け
られた管挿通室と、一端が塗装室に第1絞り部を介して
連通するとともに他端が吸気装置に連通する吸気路と、
一端が管挿通室に連通するとともに他端が吸気路の第1
絞り部より下流側に連通する第2絞り部とを備え、第1
絞り部と第2絞り部の流路の大きさが所定比率に形成さ
れたことを特徴とする管外面塗装装置。2. A coating chamber having a pipe insertion port for inserting a pipe to be coated and an intake port communicating with the outside, and an opening toward a pipe to be coated inserted through the pipe insertion port in the coating chamber. Then, a coating gun for spraying paint, a pipe insertion chamber communicating with the coating chamber through the pipe insertion port and covering the periphery of the pipe to be coated, and one end of the pipe insertion chamber in the coating chamber through the first throttle portion. An intake passage communicating with the other end of the intake passage,
One end communicates with the pipe insertion chamber and the other end has the first intake passage.
A second throttle portion communicating downstream from the throttle portion;
A pipe outer surface coating device characterized in that the sizes of the flow paths of the throttle portion and the second throttle portion are formed in a predetermined ratio.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1016028A JPH0741182B2 (en) | 1989-01-25 | 1989-01-25 | External coating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1016028A JPH0741182B2 (en) | 1989-01-25 | 1989-01-25 | External coating device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02198657A JPH02198657A (en) | 1990-08-07 |
JPH0741182B2 true JPH0741182B2 (en) | 1995-05-10 |
Family
ID=11905114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1016028A Expired - Fee Related JPH0741182B2 (en) | 1989-01-25 | 1989-01-25 | External coating device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0741182B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4316672C1 (en) * | 1993-05-13 | 1994-07-28 | Mannesmann Ag | Device for the production of metallic bodies by spraying |
JP4741111B2 (en) * | 2001-06-22 | 2011-08-03 | 三菱マテリアルテクノ株式会社 | Holding device |
KR100988259B1 (en) * | 2008-09-08 | 2010-10-18 | (주)디케이티 | A fin tube rust prevention device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63243288A (en) * | 1987-03-30 | 1988-10-11 | Tatsuta Electric Wire & Cable Co Ltd | Device for coating rust preventive material on long-sized spiral tube and removing said material |
-
1989
- 1989-01-25 JP JP1016028A patent/JPH0741182B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH02198657A (en) | 1990-08-07 |
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LAPS | Cancellation because of no payment of annual fees |