JPH0824759A - Pretreating device for coating - Google Patents
Pretreating device for coatingInfo
- Publication number
- JPH0824759A JPH0824759A JP16185994A JP16185994A JPH0824759A JP H0824759 A JPH0824759 A JP H0824759A JP 16185994 A JP16185994 A JP 16185994A JP 16185994 A JP16185994 A JP 16185994A JP H0824759 A JPH0824759 A JP H0824759A
- Authority
- JP
- Japan
- Prior art keywords
- water
- degreasing
- washing
- cleaning
- tank
- 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.)
- Pending
Links
Landscapes
- Coating Apparatus (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、塗装前の被塗装物に脱
脂処理および洗浄処理を施すための塗装前処理装置に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pre-coating treatment apparatus for degreasing and cleaning an object to be coated before painting.
【０００２】[0002]
【従来の技術】例えば、車両のバンパー等のワークを塗
装する際、このワークに成形時のバリや滓が残っていた
り、コンベア油や離型剤等の油脂分が付着していると、
良好な塗装処理を遂行することができない。このため、
従来より、塗装前の被塗装物に脱脂処理および洗浄処理
を施す塗装前処理装置が使用されており、例えば、特開
昭５９−３９３６６号公報にその技術的思想が開示され
ている。2. Description of the Related Art For example, when painting a work such as a bumper of a vehicle, when the work has burrs or slag remaining at the time of molding, or oil or fat such as conveyor oil or a release agent adheres to the work,
A good painting process cannot be performed. For this reason,
2. Description of the Related Art Conventionally, a coating pretreatment apparatus for performing degreasing treatment and cleaning treatment on an object to be coated before coating has been used, and its technical idea is disclosed in, for example, JP-A-59-39366.
【０００３】この従来技術では、脱脂装置、第１水洗装
置、化成処理装置、第２水洗装置がこの順に連設されて
なる塗装前処理装置において、第１水洗装置および第２
水洗装置がそれぞれ複数の水洗装置からなり、少なくと
もそれらの最前段はディップ槽であり、第１バッファタ
ンクに溜められた洗浄水がそれぞれ第１水洗装置の最後
段および第２水洗装置の最後段に定量供給され、第１お
よび第２水洗装置の最後段に供給された洗浄水は順次前
段に送られ、最前段のディップ槽には後段からそれぞれ
第２バッファタンクおよび第３バッファタンクを介して
定量供給されるように構成されている。In this prior art, in a coating pretreatment apparatus in which a degreasing device, a first water washing device, a chemical conversion treatment device, and a second water washing device are connected in this order, a first water washing device and a second water washing device.
Each of the water washing devices is composed of a plurality of water washing devices, at least the frontmost stage of which is a dip tank, and the wash water accumulated in the first buffer tank is provided in the last stage of the first water washing device and the last stage of the second water washing device, respectively. A fixed amount of washing water is supplied to the last stage of the first and second water washing devices, and is sequentially sent to the front stage, and the dip tank at the front stage is quantified from the rear stage through the second buffer tank and the third buffer tank, respectively. Is configured to be supplied.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記の
従来技術では、洗浄水が第１および第２水洗装置の最後
段から順次前段に送られ、さらに第２バッファタンクお
よび第３バッファタンクを介して最前段のディップ槽に
定量供給されるものの、このディップ槽から装置外に大
量に排水されている。このため、ある程度の節水は可能
であるが、洗浄水全体の消費量としては、相当に大きな
ものとなっている。しかも、脱脂装置からの排水量も大
きなものとなっており、総排水量が増大して排水処理設
備が大型化し、設備費が高騰するという問題が指摘され
ている。However, in the above-mentioned conventional technique, the cleaning water is sequentially sent from the last stage of the first and second washing devices to the preceding stage, and further through the second buffer tank and the third buffer tank. Although a fixed amount is supplied to the frontmost dip tank, a large amount of water is discharged from the dip tank to the outside of the device. Therefore, although it is possible to save water to some extent, the consumption of the entire cleaning water is considerably large. Moreover, it has been pointed out that the amount of wastewater from the degreasing device is also large, the total amount of wastewater increases, the wastewater treatment facility becomes large, and the equipment cost rises.
【０００５】さらに、脱脂装置を構成する予備脱脂槽に
は、洗浄能力を向上させて本脱脂ディップ槽内の脱脂液
を汚さないようにするために脱脂剤が供給されている。
従って、コストアップを招くとともに、予備脱脂槽内の
脱脂液の管理、例えば、濃度やＰＨ等の管理が必要とな
り、液管理作業が煩雑なものとなっている。Further, a degreasing agent is supplied to the preliminary degreasing tank constituting the degreasing device in order to improve the cleaning ability and prevent the degreasing liquid in the degreasing dip tank from being contaminated.
Therefore, in addition to increasing the cost, it is necessary to control the degreasing liquid in the preliminary degreasing tank, for example, to control the concentration and PH, which makes the liquid management operation complicated.
【０００６】本発明は、この種の問題を解決するための
ものであり、排水量を一挙に削減することができるとと
もに、液管理作業の簡素化が可能な塗装前処理装置を提
供することを目的とする。The present invention is intended to solve this type of problem, and it is an object of the present invention to provide a coating pretreatment apparatus capable of reducing the amount of drainage all at once and simplifying the liquid management work. And
【０００７】[0007]
【課題を解決するための手段】前記の目的を達成するた
めに、本発明は、塗装前の被塗装物に脱脂処理および洗
浄処理を施すために、前記被塗装物の搬送方向に沿って
順次連設される予備洗浄装置、脱脂装置および水洗装置
を備えた塗装前処理装置であって、前記水洗装置で発生
した排水を、前記予備洗浄装置に洗浄水として供給する
ための給水経路が設けられることを特徴とする。In order to achieve the above-mentioned object, the present invention sequentially applies a degreasing treatment and a cleaning treatment to an object to be coated before coating, along the conveying direction of the object to be coated. A coating pretreatment device comprising a pre-cleaning device, a degreasing device, and a water-washing device that are connected in series, and a water supply path is provided for supplying the waste water generated by the water-washing device to the pre-washing device as wash water. It is characterized by
【０００８】[0008]
【作用】本発明に係る塗装前処理装置では、水洗装置で
発生した排水が、上流側の予備洗浄装置に洗浄水として
供給されて再使用されるため、総排水量を大幅に削減さ
せることができる。しかも、水洗装置からの排水には、
被塗装物が脱脂装置から持ち込んだ脱脂液が混在してお
り、予備洗浄装置内の洗浄水にこの脱脂液が混入する。
従って、予備洗浄装置に別途脱脂剤を供給する必要がな
く、経済的かつ効率的に被塗装物の予備洗浄作業が遂行
される。In the coating pretreatment device according to the present invention, the wastewater generated in the water washing device is supplied to the upstream side prewashing device as washing water and reused, so that the total amount of drainage can be greatly reduced. . Moreover, for the drainage from the flushing device,
The degreasing liquid brought in from the degreasing device is mixed in the object to be coated, and this degreasing liquid mixes with the cleaning water in the preliminary cleaning device.
Therefore, it is not necessary to separately supply a degreasing agent to the preliminary cleaning device, and the preliminary cleaning operation of the object to be coated can be performed economically and efficiently.
【０００９】[0009]
【実施例】本発明に係る塗装前処理装置について実施例
を挙げ、添付の図面を参照しながら以下詳細に説明す
る。The coating pretreatment apparatus according to the present invention will be described in detail below with reference to the accompanying drawings.
【００１０】図１において、参照数字１０は、本実施例
に係る塗装前処理装置を示す。この塗装前処理装置１０
は、被塗装物Ｗの搬送方向（矢印Ａ方向）に沿って順次
連設される予備洗浄装置１２、脱脂装置１４および水洗
装置１６を備えており、前記被塗装物Ｗは、ハンガ１８
に保持されて処理ブース２０内を矢印Ａ方向に搬送され
る。In FIG. 1, reference numeral 10 indicates a coating pretreatment apparatus according to this embodiment. This coating pretreatment device 10
Is provided with a pre-cleaning device 12, a degreasing device 14, and a water washing device 16 that are successively arranged in the conveying direction (direction of arrow A) of the article W to be coated.
And is transported in the processing booth 20 in the direction of arrow A.
【００１１】予備洗浄装置１２は、洗浄液２２ａが充填
された予備洗浄槽２４と、ポンプ２６を介してこの予備
洗浄槽２４に連結されたノズル手段２８とを備え、この
ノズル手段２８は、前記予備洗浄槽２４から汲み上げら
れた前記洗浄液２２ａを処理ブース２０内の被塗装物Ｗ
に噴射するための複数のノズル口３０を有する。The pre-cleaning device 12 comprises a pre-cleaning tank 24 filled with a cleaning liquid 22a, and a nozzle means 28 connected to the pre-cleaning tank 24 via a pump 26. The cleaning liquid 22a pumped up from the cleaning tank 24 is applied to the object W to be coated in the processing booth 20.
It has a plurality of nozzle openings 30 for jetting.
【００１２】脱脂装置１４は、脱脂液３２が充填された
脱脂槽３４と、ポンプ３６を介してこの脱脂槽３４に連
結されたノズル手段３８とを備え、このノズル手段３８
は、前記脱脂槽３４から汲み上げられた前記脱脂液３２
を処理ブース２０内の被塗装物Ｗに噴射するための複数
のノズル口４０を有する。脱脂液３２に使用される脱脂
剤としては、ナフテン系混合溶剤、ケイ酸塩等のアルカ
リビルダおよび界面活性剤をケロシンに溶解させたも
の、またはリン酸混入水溶液等が挙げられる。本実施例
では、ケイ酸塩等のアルカリビルダおよび界面活性剤を
ケロシンに溶解させたものをイオン濃度で６±０．５％
の水溶液として使用する。The degreasing device 14 comprises a degreasing tank 34 filled with a degreasing liquid 32, and a nozzle means 38 connected to the degreasing tank 34 via a pump 36.
Is the degreasing liquid 32 pumped up from the degreasing tank 34.
Has a plurality of nozzle openings 40 for injecting into the object W in the processing booth 20. Examples of the degreasing agent used in the degreasing liquid 32 include a naphthene-based mixed solvent, an alkali builder such as a silicate and a surfactant in which kerosene is dissolved, or a phosphoric acid-mixed aqueous solution. In this example, an alkaline builder such as silicate and a surfactant dissolved in kerosene were used to obtain an ion concentration of 6 ± 0.5%.
Used as an aqueous solution.
【００１３】水洗装置１６は、矢印Ａ方向に連設された
第１水洗機構４２と第２水洗機構４４とを備える。第１
および第２水洗機構４２、４４は、それぞれ洗浄液２２
ｂ、２２ｃが充填された第１および第２水洗槽４６、４
８と、ポンプ５０、５２を介してこの第１および第２水
洗槽４６、４８に連結されたノズル手段５４、５６とを
備える。ノズル手段５４、５６は、第１および第２水洗
槽４６、４８から汲み上げられた洗浄液２２ｂ、２２ｃ
を処理ブース２０内の被塗装物Ｗに噴射するための複数
のノズル口５８、６０を有する。The water washing device 16 comprises a first water washing mechanism 42 and a second water washing mechanism 44, which are arranged in series in the direction of arrow A. First
And the second water washing mechanism 42, 44 respectively
b and 22c are filled with the first and second washing tanks 46, 4
8 and nozzle means 54, 56 connected to the first and second washing tanks 46, 48 via pumps 50, 52. The nozzle means 54 and 56 are cleaning liquids 22b and 22c pumped up from the first and second washing tanks 46 and 48, respectively.
Has a plurality of nozzle openings 58 and 60 for injecting into the object W to be coated in the processing booth 20.
【００１４】第２水洗槽４８から第１水洗槽４６に向か
って第１給水経路６２が設けられるとともに、この第１
水洗槽４６から予備洗浄槽２４に向かって第２給水経路
６４が接続される。第１給水経路６２は、第２水洗機構
４４で発生した排水を第１水洗機構４２に洗浄水として
供給するための経路であり、第２給水経路６４は、第２
水洗機構４４で発生した排水を、予備洗浄装置１２に洗
浄水として供給するための経路である。A first water supply path 62 is provided from the second washing tank 48 toward the first washing tank 46, and the first water feeding path 62 is provided.
The second water supply path 64 is connected from the water washing tank 46 to the preliminary washing tank 24. The first water supply path 62 is a path for supplying the wastewater generated in the second water washing mechanism 44 to the first water washing mechanism 42 as washing water, and the second water supply path 64 is the second
It is a path for supplying the waste water generated in the water washing mechanism 44 to the preliminary washing device 12 as washing water.
【００１５】第２水洗機構４４の下流側には、被塗装物
Ｗに純水を噴射してこの被塗装物Ｗの表面を清浄化する
ための純水洗用ノズル手段６６が配設される。この純水
洗用ノズル手段６６から噴射された純水は、第２水洗機
構４４を構成する第２水洗槽４８に供給されるととも
に、この第２水洗槽４８には、使用前の洗浄水（工水）
を図示しない経路を介して供給可能である。On the downstream side of the second water washing mechanism 44, there is provided a pure water washing nozzle means 66 for injecting pure water onto the object W to be cleaned to clean the surface of the object W. The pure water sprayed from the pure water washing nozzle means 66 is supplied to the second washing tank 48 that constitutes the second water washing mechanism 44, and the second washing tank 48 uses the washing water before use (working time). water)
Can be supplied via a route not shown.
【００１６】純水洗用ノズル手段６６の下流側には、被
塗装物Ｗに表調剤を含む純水を噴射してこの被塗装物Ｗ
のぬれ性を改善するとともに乾燥を促進させるための表
調装置６８が配設される。表調装置６８は、表調槽７０
と、ポンプ７２を介してこの表調槽７０に連結された表
調用ノズル手段７４とを備える。On the downstream side of the pure water washing nozzle means 66, pure water containing a surface adjusting agent is sprayed onto the article W to be coated W.
A surface adjustment device 68 is provided for improving the wettability of the sheet and promoting the drying. The surface conditioning device 68 is a surface conditioning tank 70.
And a surface adjustment nozzle means 74 connected to the surface adjustment tank 70 via a pump 72.
【００１７】次に、このように構成される塗装前処理装
置１０の動作について説明する。Next, the operation of the coating pretreatment apparatus 10 thus constructed will be described.
【００１８】車両のバンパー等の被塗装物Ｗは、ハンガ
１８に保持されて処理ブース２０内を矢印Ａ方向に搬送
され、まず、予備洗浄装置１２により予備洗浄処理が施
される。この予備洗浄装置１２では、ポンプ２６が駆動
されて予備洗浄槽２４からノズル手段２８に洗浄液２２
ａが汲み上げられ、複数のノズル口３０から処理ブース
２０内の被塗装物Ｗに噴射される。これにより、被塗装
物Ｗに残存していた成形時のバリや滓等が除去される。An object W to be coated such as a bumper of a vehicle is held by a hanger 18 and conveyed in the processing booth 20 in the direction of arrow A. First, a preliminary cleaning device 12 performs a preliminary cleaning process. In this preliminary cleaning device 12, the pump 26 is driven to drive the cleaning liquid 22 from the preliminary cleaning tank 24 to the nozzle means 28.
a is pumped up and sprayed from the plurality of nozzle openings 30 onto the object W to be coated in the processing booth 20. As a result, burrs, slag, and the like remaining on the object W to be coated during molding are removed.
【００１９】さらに、被塗装物Ｗが脱脂装置１４に対応
して配置されると、この脱脂装置１４を構成するポンプ
３６が駆動され、脱脂槽３４内の脱脂液３２がノズル手
段３８の複数のノズル口４０から前記被塗装物Ｗに噴射
される。このため、被塗装物Ｗに付着していた油脂分が
除去され、その後、この被塗装物Ｗは、水洗装置１６側
に搬送される。Further, when the object W to be coated is arranged corresponding to the degreasing device 14, the pump 36 constituting the degreasing device 14 is driven, and the degreasing liquid 32 in the degreasing tank 34 is supplied to the nozzle means 38. It is sprayed from the nozzle port 40 onto the article W to be coated. For this reason, the oil and fat adhering to the object W to be coated is removed, and then the object W to be coated is conveyed to the water washing device 16 side.
【００２０】水洗装置１６では、まず、第１水洗機構４
２において、ポンプ５０の作用下に第１水洗槽４６から
ノズル手段５４を介して被塗装物Ｗに洗浄液２２ｂが噴
射され、この被塗装物Ｗに付着している脱脂液３２が除
去される。次いで、第２水洗機構４４において、ポンプ
５２の作用下に第２水洗槽４８からノズル手段５６を介
して被塗装物Ｗに洗浄液２２ｃが噴射され、この被塗装
物Ｗの表面の希釈化（脱脂液３２の除去）が行われる。In the water washing device 16, first, the first water washing mechanism 4
2, the cleaning liquid 22b is sprayed from the first water washing tank 46 through the nozzle means 54 onto the object W to be coated under the action of the pump 50, and the degreasing liquid 32 adhering to the object W to be coated is removed. Next, in the second water washing mechanism 44, the cleaning liquid 22c is jetted from the second water washing tank 48 to the object W to be coated through the nozzle means 56 under the action of the pump 52, and the surface of the object W is diluted (degreased). The removal of the liquid 32) is performed.
【００２１】被塗装物Ｗは、ハンガ１８を介して純水洗
用ノズル手段６６側に搬送され、この純水洗用ノズル手
段６６から前記被塗装物Ｗに純水が噴射されて該被塗装
物Ｗの表面が清浄化された後、表調装置６８に搬送され
る。この表調装置６８では、被塗装物Ｗに表調液が噴射
され、前記被塗装物Ｗのぬれ性が改善されるとともに乾
燥が促進される。その後、被塗装物Ｗには、乾燥処理が
施される。The article W to be coated is conveyed to the pure water washing nozzle means 66 side via the hanger 18, and pure water is sprayed from the pure water washing nozzle means 66 onto the article W to be coated. After its surface is cleaned, it is conveyed to the surface adjustment device 68. In this surface conditioning device 68, the surface conditioning liquid is sprayed onto the article W to be coated, whereby the wettability of the article W is improved and the drying is promoted. Then, the article W to be coated is subjected to a drying process.
【００２２】この場合、本実施例では、第２水洗機構４
４で発生した排水は、第２水洗槽４８に戻された後に第
１給水経路６２を介して第１水洗機構４２を構成する第
１水洗槽４６に供給され、洗浄液２２ｂとして再度使用
される。さらに、この第１水洗機構４２で発生した排水
は、第１水洗槽４６に戻された後に第２給水経路６４を
介して予備洗浄装置１２を構成する予備洗浄槽２４に供
給され、洗浄液２２ａとして使用される。In this case, in this embodiment, the second water washing mechanism 4
The wastewater generated in No. 4 is returned to the second water washing tank 48, then is supplied to the first water washing tank 46 constituting the first water washing mechanism 42 via the first water supply path 62, and is used again as the washing liquid 22b. Further, the wastewater generated in the first water washing mechanism 42 is returned to the first water washing tank 46 and then is supplied to the preliminary cleaning tank 24 constituting the preliminary cleaning device 12 via the second water supply path 64, and is supplied as the cleaning liquid 22a. used.
【００２３】従って、水洗装置１６で発生した排水を直
接外部に排出させるものに比べ、総排水量が一挙に削減
され、これに伴い排水処理設備の小型化が容易に可能に
なり、設備費の高騰を防止することができるという効果
が得られる。Therefore, the total amount of wastewater is reduced at a stroke as compared with the case where the wastewater generated in the water washing device 16 is directly discharged to the outside, and accordingly, the wastewater treatment equipment can be easily downsized, and the equipment cost rises. The effect of being able to prevent is obtained.
【００２４】さらに、本実施例では、被塗装物Ｗが脱脂
装置１４から第１水洗機構４２に移動して洗浄処理が行
われる際、この被塗装物Ｗに付着していた脱脂液３２が
洗浄液２２ｂに混在して第１水洗槽４６に導入される。
このため、第１水洗槽４６内の洗浄液２２ｂに混入した
脱脂液３２の濃度が徐々に高くなるとともに、この脱脂
液３２が混入した洗浄液２２ｂは、第２給水経路６４を
介して予備洗浄槽２４に供給される。Further, in the present embodiment, when the object W to be coated moves from the degreasing device 14 to the first water washing mechanism 42 and a cleaning process is performed, the degreasing liquid 32 adhering to the object W to be coated is the cleaning liquid. 22b are mixed and introduced into the first water washing tank 46.
Therefore, the concentration of the degreasing liquid 32 mixed in the cleaning liquid 22b in the first water washing tank 46 gradually increases, and the cleaning liquid 22b mixed with the degreasing liquid 32 enters the preliminary cleaning tank 24 via the second water supply path 64. Is supplied to.
【００２５】これにより、予備洗浄槽２４内の洗浄液２
２ａに脱脂液３２が混入し、この脱脂液３２が混入した
洗浄液２２ａが使用されることにより、被塗装物Ｗの洗
浄性が一挙に向上するとともに、新たに脱脂剤を供給す
る必要がなく、経済的であるという利点がある。As a result, the cleaning liquid 2 in the preliminary cleaning tank 24 is
The degreasing liquid 32 is mixed in 2a, and the cleaning liquid 22a in which the degreasing liquid 32 is mixed is used to improve the cleaning property of the object W to be coated all at once, and it is not necessary to supply a new degreasing agent. It has the advantage of being economical.
【００２６】具体的には、予備洗浄槽２４内の脱脂液３
２の濃度が２０ＰＰＭ程度でも、この脱脂液３２が全く
混入しないものに比べ、同一条件下で洗浄時間が１／３
以下となり、また、総排水量を４０％程度削減できると
いう結果が得られた。Specifically, the degreasing liquid 3 in the preliminary cleaning tank 24
Even when the concentration of 2 is about 20 PPM, the cleaning time is 1/3 under the same conditions as compared with the case where the degreasing liquid 32 is not mixed at all.
The result was as follows, and the total amount of discharged water could be reduced by about 40%.
【００２７】さらにまた、被塗装物Ｗが第１水洗機構４
２から第２水洗機構４４に搬送されて洗浄処理が行われ
る際、この被塗装物Ｗに付着していた洗浄液２２ｂおよ
びこれに混在していた脱脂液３２が第２水洗槽４８に導
入される。従って、品質上重要な第２水洗槽４８の洗浄
液２２ｃの濃度を管理するだけで、第１水洗槽４６およ
び予備洗浄槽２４の洗浄液２２ｂおよび２２ａの濃度管
理が行われるため、設備の簡素化が容易に遂行される。Furthermore, the object to be coated W is the first water washing mechanism 4
When the cleaning liquid 22b is attached to the object W to be coated and the degreasing liquid 32 mixed with the cleaning liquid 22b is introduced into the second washing tank 48 when the cleaning liquid 22b is conveyed from 2 to the second washing mechanism 44. . Therefore, the concentration of the cleaning liquid 22c of the second washing tank 48, which is important for quality, is controlled, and the concentrations of the cleaning liquids 22b and 22a of the first washing tank 46 and the preliminary cleaning tank 24 are controlled. Easily carried out.
【００２８】具体的には、例えば、電導度により行い、
５０ＰＰＭのときに５０μＳ／ｃｍを管理値とする。そ
して、第２水洗槽４８の洗浄液２２ｃの濃度が上がり過
ぎた時には、純水洗用ノズル手段６６から噴射される純
水を増量させたり、新たな洗浄水（工水）を増量させる
ことにより、この洗浄液２２ｃの濃度を低下させればよ
い。Specifically, for example, the conductivity is
The control value is 50 μS / cm at 50 PPM. Then, when the concentration of the cleaning liquid 22c in the second water washing tank 48 becomes too high, the amount of pure water sprayed from the pure water washing nozzle means 66 is increased, or the amount of new cleaning water (working water) is increased. The concentration of the cleaning liquid 22c may be reduced.
【００２９】[0029]
【発明の効果】本発明に係る塗装前処理装置によれば、
以下の効果乃至利点が得られる。According to the coating pretreatment apparatus of the present invention,
The following effects or advantages can be obtained.
【００３０】水洗装置で発生した排水が、上流側の予備
洗浄装置に供給されて洗浄水として再度使用されるた
め、総排水量を大幅に削減させることができる。しか
も、水洗装置からの排水には、被塗装物が脱脂装置から
持ち込んだ脱脂液が混在しており、予備洗浄装置内の洗
浄水にこの脱脂液が混入する。従って、予備洗浄装置に
別途脱脂剤を供給する必要がなく、経済的かつ効率的に
被塗装物の予備洗浄作業が遂行される。Since the wastewater generated in the water washing device is supplied to the upstream prewashing device and reused as the washing water, the total amount of drainage can be greatly reduced. Moreover, the degreasing liquid brought in from the degreasing device by the object to be coated is mixed in the waste water from the water washing device, and this degreasing liquid is mixed in the cleaning water in the preliminary cleaning device. Therefore, it is not necessary to separately supply a degreasing agent to the preliminary cleaning device, and the preliminary cleaning operation of the object to be coated can be performed economically and efficiently.
【図１】本発明の実施例に係る塗装前処理装置の概略構
成図である。FIG. 1 is a schematic configuration diagram of a coating pretreatment apparatus according to an embodiment of the present invention.
１０…塗装前処理装置 １２…予備洗浄
装置 １４…脱脂装置 １６…水洗装置 ２０…処理ブース ２２ａ〜２２ｃ
…洗浄液 ２４…予備洗浄槽 ２８…ノズル手
段 ３２…脱脂液 ３４…脱脂槽 ３８…ノズル手段 ４２、４４…水
洗機構 ４６、４８…水洗槽 ５４、５６…ノ
ズル手段 ６２、６４…給水経路 ６６…ノズル手
段 ６８…表調装置 ７４…ノズル手
段10 ... Pretreatment device for coating 12 ... Preliminary cleaning device 14 ... Degreasing device 16 ... Water washing device 20 ... Processing booth 22a to 22c
... cleaning liquid 24 ... preliminary cleaning tank 28 ... nozzle means 32 ... degreasing liquid 34 ... degreasing tank 38 ... nozzle means 42,44 ... water washing mechanism 46,48 ... water washing tank 54,56 ... nozzle means 62,64 ... water supply path 66 ... nozzle Means 68 ... Surface adjusting device 74 ... Nozzle means
Claims (1)
理を施すために、前記被塗装物の搬送方向に沿って順次
連設される予備洗浄装置、脱脂装置および水洗装置を備
えた塗装前処理装置であって、 前記水洗装置で発生した排水を、前記予備洗浄装置に洗
浄水として供給するための給水経路が設けられることを
特徴とする塗装前処理装置。1. A coating provided with a pre-cleaning device, a degreasing device, and a water washing device, which are successively connected in the conveying direction of the object to be degreased and washed before the object is painted. A pretreatment device, wherein the pretreatment device is provided with a water supply path for supplying the wastewater generated in the water washing device to the preliminary washing device as washing water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16185994A JPH0824759A (en) | 1994-07-14 | 1994-07-14 | Pretreating device for coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16185994A JPH0824759A (en) | 1994-07-14 | 1994-07-14 | Pretreating device for coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0824759A true JPH0824759A (en) | 1996-01-30 |
Family
ID=15743321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16185994A Pending JPH0824759A (en) | 1994-07-14 | 1994-07-14 | Pretreating device for coating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0824759A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009132993A (en) * | 2007-11-02 | 2009-06-18 | Mazda Motor Corp | Degreasing pretreatment method and apparatus therefor |
| JP2010269468A (en) * | 2009-05-19 | 2010-12-02 | Honda Motor Co Ltd | Method for producing resin product |
| CN109482560A (en) * | 2018-11-30 | 2019-03-19 | 江***力机械有限公司 | Automatic spray paint production line high-efficiency cleaning pretreatment unit and its pretreating process |
-
1994
- 1994-07-14 JP JP16185994A patent/JPH0824759A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009132993A (en) * | 2007-11-02 | 2009-06-18 | Mazda Motor Corp | Degreasing pretreatment method and apparatus therefor |
| JP2010269468A (en) * | 2009-05-19 | 2010-12-02 | Honda Motor Co Ltd | Method for producing resin product |
| CN109482560A (en) * | 2018-11-30 | 2019-03-19 | 江***力机械有限公司 | Automatic spray paint production line high-efficiency cleaning pretreatment unit and its pretreating process |
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