JPS6125660A - Coating device - Google Patents
Coating deviceInfo
- Publication number
- JPS6125660A JPS6125660A JP14487884A JP14487884A JPS6125660A JP S6125660 A JPS6125660 A JP S6125660A JP 14487884 A JP14487884 A JP 14487884A JP 14487884 A JP14487884 A JP 14487884A JP S6125660 A JPS6125660 A JP S6125660A
- Authority
- JP
- Japan
- Prior art keywords
- coated
- frame
- hollow
- coating liquid
- coating
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C21/00—Accessories or implements for use in connection with applying liquids or other fluent materials to surfaces, not provided for in groups B05C1/00 - B05C19/00
- B05C21/005—Masking devices
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
Abstract
Description
【発明の詳細な説明】
（技術分野）
本発明は浸漬塗布装置、特に、中空の被塗布物体の外表
面を、その中空内に塗布液を浸入させることな（、均一
に塗布し得る塗布装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Technical Field) The present invention relates to a dip coating apparatus, and more particularly, to a coating apparatus that can uniformly coat the outer surface of a hollow object to be coated without allowing a coating liquid to penetrate into the hollow space. Regarding.
（従来技術）
円筒状ドラムなどの中空の被塗布物体を塗布液に浸漬し
その外周面を塗布する漫潰塗布法においては、ドラム内
部に塗布液が浸入するのを防止する必要がある。それに
は、第５図に示すように。(Prior Art) In the round coating method in which a hollow object to be coated, such as a cylindrical drum, is immersed in a coating liquid and its outer peripheral surface is coated, it is necessary to prevent the coating liquid from penetrating into the drum. For this purpose, as shown in Figure 5.
ドラム２００の底部に蓋２０１を設けることが行われて
いる。ところが、ドラム２００を連続して塗布するには
、蓋２０１の着脱に手間を要する。しかも。A lid 201 is provided at the bottom of the drum 200. However, in order to continuously coat the drum 200, attaching and detaching the lid 201 requires time and effort. Moreover.
工程終了ごとに蓋２０１の洗浄が必要である。それゆえ
、塗布作業は極めて非能率的である。It is necessary to clean the lid 201 after each process. Therefore, the coating operation is extremely inefficient.
しかも５ この方法では、ドラムを塗布液内に浸漬し、
そしてそれを引き上げるためのドラム支持手段を別に設
けねばならず、装置が複雑となる。Moreover, in this method, the drum is immersed in the coating liquid,
Further, a drum support means must be provided separately for lifting the drum, making the device complicated.
（発明の目的）
本発明の目的は、中空の被塗布物体の内部に塗布液を浸
入させることなく、その外表面を均一に塗布し得る塗布
装置を提供することにある。本発明の他の目的は、被塗
布物体の中空洞への塗布液の浸入防止手段が被塗布物体
支持手段を兼ねうる塗布装置を提供することにある。本
発明のさらに他の目的は、操作が容易でしかも安価に塗
布層を形成し得る塗布装置を提供することにある。(Object of the Invention) An object of the present invention is to provide a coating device that can uniformly coat the outer surface of a hollow object to be coated without allowing the coating liquid to penetrate inside the object. Another object of the present invention is to provide a coating device in which means for preventing the coating liquid from entering the hollow cavity of the object to be coated can also serve as means for supporting the object to be coated. Still another object of the present invention is to provide a coating device that is easy to operate and can form a coating layer at low cost.
（発明の構成）
本発明の塗布装置は、塗布液収容槽内の塗布液に被塗布
物体を浸漬して該被塗布物体に該塗布液を塗布する装置
であって、該被塗布物体の中空洞内に加圧空気の注入お
よび脱気に応じて伸縮しうるシール手段が配置され、そ
のことにより上記目的が達成される。(Structure of the Invention) The coating device of the present invention is a device for immersing an object to be coated in a coating liquid in a coating liquid storage tank and applying the coating liquid to the object to be coated. Sealing means are disposed within the cavity that can expand and contract in response to the injection and degassing of pressurized air, thereby achieving the above object.
（実施例） 以下に本発明を実施例について述べる。(Example) The present invention will be described below with reference to examples.
本発明塗布装置は、第１図および第２図に示すように、
塗布液収容槽１と筒状ドラムなどの被塗布物体２の中空
洞２０内に配置されるシール手段３とを有する。収容槽
１は塗布液１１を収容する。シール手段３は、枠体３工
とこの枠体３１に気密状に保持される弾性シール材３２
とで構成される。枠体３１は、その一端３１１が外部の
図外の加圧空気供給手段に連結され、他端３１２は被塗
布物体中空洞２０内で開口している。この開口３１３は
、中空洞内壁面２１の周面にわたって設けられている。As shown in FIGS. 1 and 2, the coating device of the present invention has the following features:
It has a coating liquid storage tank 1 and a sealing means 3 arranged in a hollow cavity 20 of an object to be coated 2 such as a cylindrical drum. The storage tank 1 stores a coating liquid 11. The sealing means 3 includes a frame 3 and an elastic sealing material 32 held in the frame 31 in an airtight manner.
It consists of One end 311 of the frame 31 is connected to an external pressurized air supply means (not shown), and the other end 312 is open within the cavity 20 of the object to be coated. This opening 313 is provided over the circumferential surface of the hollow inner wall surface 21 .
この開口３１３に上記弾性シール材３２が気密状に保持
されている。The elastic sealing material 32 is held in this opening 313 in an airtight manner.
枠体３１と弾性シール材３２とで形成される空間３４内
に、枠体３１の一端３１１から加圧空気３３が注入され
ると１弾性シール材３２が加圧空気３３の圧力により中
空洞内壁面２Ｉに向かって膨張し該中空洞内壁面２１に
液密状（液体の浸入のない状態）に当接する。When pressurized air 33 is injected from one end 311 of the frame 31 into the space 34 formed by the frame 31 and the elastic sealing material 32, the elastic sealing material 32 is forced into the hollow space by the pressure of the pressurized air 33. It expands toward the wall surface 2I and comes into contact with the hollow inner wall surface 21 in a liquid-tight manner (a state in which no liquid enters).
弾性シール材３２は３例えば筒状のゴムチューブである
。The elastic sealing material 32 is, for example, a cylindrical rubber tube.
シール手段３の別の例を第３図および第４図に示す。こ
こでは、枠体３１の他端３１２は、被塗布物体中空洞２
０内において、内壁面２１の少なくとも上方端および下
方端のみに内壁面２１に沿ヮて開口３１３を有する。弾
性シール材３２はリング状をなし、この開口３１３に気
密状に保持されている。空間３４に加圧空気３３が注入
されると、この弾性シール材３２は、同様に、中空洞内
壁面２１に沿って内壁面２１方向に膨張し内壁面２１の
少なくとも上方端近傍および下方端近傍に対して液密状
に当接する。Another example of the sealing means 3 is shown in FIGS. 3 and 4. Here, the other end 312 of the frame 31 is connected to the hollow 2 of the object to be coated.
0, openings 313 are provided along the inner wall surface 21 only at at least the upper and lower ends of the inner wall surface 21. The elastic sealing material 32 has a ring shape and is held in the opening 313 in an airtight manner. When the pressurized air 33 is injected into the space 34, the elastic sealing material 32 similarly expands along the hollow inner wall surface 21 in the direction of the inner wall surface 21 and at least near the upper end and lower end of the inner wall surface 21. It comes into liquid-tight contact with the
上記いづれの弾性シール材３２も加圧空気３３の加圧力
および被塗布物体２との摩擦力に充分耐えうるような伸
縮性や強度を有し、かつ塗布液１１に不溶であることは
いうまでもない。Needless to say, each of the elastic sealing materials 32 described above has elasticity and strength sufficient to withstand the pressure of the pressurized air 33 and the frictional force with the object 2 to be coated, and is insoluble in the coating liquid 11. Nor.
収容槽１は、その形状に特に制限はない。その容積は、
被塗布物体の出し入れによる塗布液面の動きを少なくす
るために被塗布物体外容積に対し大きいことが好ましい
。その材質は塗布液に不溶であればよく２通常、アルミ
ニウムやステンレス鋼あるいは合成樹脂などが用いられ
る。The shape of the storage tank 1 is not particularly limited. Its volume is
In order to reduce movement of the coating liquid surface due to taking in and out of the object to be coated, it is preferable that the volume is large relative to the external volume of the object to be coated. The material may be any material as long as it is insoluble in the coating solution2.Aluminum, stainless steel, or synthetic resin is usually used.
被塗布物体は、中空であればよく、その断面形状、断面
寸法、長さおよび材質などには特に制限はない。例えば
、電子写真用感光体に用いられるドラムの場合１円筒形
状のアルミニウムなどが採用される。The object to be coated only needs to be hollow, and its cross-sectional shape, cross-sectional size, length, material, etc. are not particularly limited. For example, in the case of a drum used for an electrophotographic photoreceptor, aluminum having a cylindrical shape is used.
被塗布物体２には上記装置を用いて次のようにして浸漬
塗布が施される。まず、被塗布物体中空洞２０内に弾性
シール材３２を気密状に装着した枠体３１を挿入する。Dip coating is applied to the object to be coated 2 using the above-mentioned apparatus in the following manner. First, the frame 31 with the elastic sealant 32 airtightly mounted thereon is inserted into the hollow 20 of the object to be coated.
そして加圧空気３３を枠体３１の一端３１１から枠体空
間３４に注入する。シール材３１は膨張して中空洞内壁
面２１に押圧され該内壁面２１に対して液密状に当接す
る。これにより被塗布物体２が枠体３１に連結支持され
る。被塗布物体２は枠体３１を下方に引き下げることに
より収容槽１内の塗布液１１に浸漬される。シール手段
３への加圧状態は引き続き維持されるので、シール材３
２は被塗布物体中空洞内壁面２１を液密状にシールし、
その結果、塗布液１１は中空洞２０内へ浸入するのを阻
止される。次いで、被塗布物体２は、枠体３１を上方に
引き上げることにより塗布液１１から取り出される。Then, pressurized air 33 is injected into the frame space 34 from one end 311 of the frame 31. The sealing material 31 expands and is pressed against the inner wall surface 21 of the hollow cavity, so as to contact the inner wall surface 21 in a liquid-tight manner. As a result, the object 2 to be coated is connected and supported by the frame 31. The object 2 to be coated is immersed in the coating liquid 11 in the storage tank 1 by pulling down the frame 31. Since the pressurized state of the sealing means 3 is maintained continuously, the sealing material 3
2 seals the inner wall surface 21 of the cavity of the object to be coated in a liquid-tight manner;
As a result, the coating liquid 11 is prevented from penetrating into the hollow cavity 20. Next, the object 2 to be coated is removed from the coating liquid 11 by pulling the frame 31 upward.
そして、所定の塗布層の形成された被塗布物体２は、加
圧状態が解放されることにより、枠体３１から取りはず
される。このようにして得られる被塗布物体２の塗布層
は均一である。ロフト間のばらつきも少ない。しかも、
連続した浸漬操作が迅速に行われ得る。塗布液１１の収
容槽１内への補給手段を適宜設けることができることは
いうまでもない。Then, the object 2 to be coated on which the predetermined coating layer has been formed is removed from the frame 31 by releasing the pressurized state. The coating layer of the coated object 2 thus obtained is uniform. There is also little variation between lofts. Moreover,
Successive dipping operations can be performed quickly. It goes without saying that means for replenishing the coating liquid 11 into the storage tank 1 can be provided as appropriate.
本発明塗布装置は、電子写真用の感光体ドラムの製造の
ような極めて精緻でかつ高精度が要求される分野に好適
に用いられるが、他の分野への応用ももちろん可能であ
る。The coating apparatus of the present invention is suitably used in fields where extremely fineness and high precision are required, such as the manufacture of photosensitive drums for electrophotography, but it can of course be applied to other fields as well.
（発明の効果）
本発明によれば、このように、加圧空気により伸縮しう
るシール手段を被塗布物体中空洞内に配置することによ
り、被塗布物体内部が塗布液により塗布されるのを確実
に防止し得る。シール手段は同時に被塗布物体を支持す
る機能を有するので支持手段を別に設ける必要がない。(Effects of the Invention) According to the present invention, by arranging the sealing means that can be expanded and contracted by pressurized air in the hollow of the object to be coated, the inside of the object to be coated can be prevented from being coated with the coating liquid. It can definitely be prevented. Since the sealing means also has the function of supporting the object to be coated, there is no need to provide a separate supporting means.
その結果、装置は簡単な構成となり、かつ操作も著しく
容易となる。連続操作も可能でかつ迅速に行いうる。そ
れゆえ、塗布が安価になされうる。As a result, the device has a simple construction and is extremely easy to operate. Continuous operation is also possible and can be carried out quickly. Therefore, coating can be done inexpensively.
第１図および第２図は、それぞれ本発明装置の一実施例
を示す要部正面断面図、第３図および第４図は、それぞ
れ本発明装置の他の実施例を示す要部正面断面図、第５
図は、従来技術の一例を示す要部正面断面図である。
１、１００・・・塗布液収容槽、 ２．２００・・・被
塗布物体。
３・・・シール手段、 １１．１１０・・・塗布液、
２０・・・被塗布物体中空洞、２１・・・被塗布物体内
壁面、３１・・・枠体。
３２・・・弾性シール材、３３・・・加圧空気、３４・
・・空間。
２０１・・・蓋、 ３１１ 中枠体一端、３１２・・・
枠体他端。
３１３・・・枠体開口。
以上1 and 2 are front sectional views of main parts showing one embodiment of the device of the present invention, and FIGS. 3 and 4 are front sectional views of main parts showing other embodiments of the device of the present invention, respectively. , 5th
The figure is a front sectional view of a main part showing an example of the conventional technology. 1, 100... Coating liquid storage tank, 2.200... Object to be coated. 3...Sealing means, 11.110...Coating liquid,
20... Cavity of object to be coated, 21... Inner wall surface of object to be coated, 31... Frame. 32... Elastic sealing material, 33... Pressurized air, 34...
··space. 201... Lid, 311 One end of the middle frame body, 312...
The other end of the frame. 313...Frame opening. that's all
Claims (1)
体を浸漬して該被塗布物体に該塗布液を塗布する装置に
おいて、 該被塗布物体の中空洞内に加圧空気の注入および脱気に
応じて伸縮しうるシール手段が配置された塗布装置。 ２、前記シール手段は、一端が外部の加圧空気供給手段
に連結され他端が被塗布物体中空洞内壁面の少なくとも
上方端近傍および下方端近傍に開口する枠体と、該枠体
開口に気密状に保持される弾性シール材とを有する特許
請求の範囲第１項に記載の塗布装置。 ３、前記弾性シール材がゴムチューブもしくはゴムパッ
キンである特許請求の範囲第２項に記載の塗布装置。[Scope of Claims] 1. In an apparatus for immersing an object to be coated having a hollow cavity in a coating liquid in a coating liquid storage tank and applying the coating liquid to the object to be coated, the inside of the hollow of the object to be coated is A coating device in which a sealing means that can expand and contract in response to the injection and degassing of pressurized air is arranged. 2. The sealing means includes a frame body having one end connected to an external pressurized air supply means and the other end opening at least near the upper end and the lower end of the hollow inner wall surface of the object to be coated, and the frame body opening. The coating device according to claim 1, further comprising an elastic sealing material that is maintained in an airtight state. 3. The coating device according to claim 2, wherein the elastic sealing material is a rubber tube or a rubber packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14487884A JPS6125660A (en) | 1984-07-12 | 1984-07-12 | Coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14487884A JPS6125660A (en) | 1984-07-12 | 1984-07-12 | Coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6125660A true JPS6125660A (en) | 1986-02-04 |
Family
ID=15372478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14487884A Pending JPS6125660A (en) | 1984-07-12 | 1984-07-12 | Coating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6125660A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6394569U (en) * | 1986-12-04 | 1988-06-18 | ||
| JPS63315171A (en) * | 1987-06-16 | 1988-12-22 | Mita Ind Co Ltd | Drum coating method |
| JPH02277576A (en) * | 1989-04-19 | 1990-11-14 | Yoshimoto Paul Kk | Coating method for perforated hollow body |
| JPH04166237A (en) * | 1990-10-30 | 1992-06-12 | Fuji Photo Film Co Ltd | Surface treatment device for pipet tip |
| DE4300013A1 (en) * | 1993-01-02 | 1994-07-07 | Bosch Gmbh Robert | Immersion coating of hollow workpieces |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS594466A (en) * | 1982-06-29 | 1984-01-11 | Mitsubishi Chem Ind Ltd | Holding device for cylindrical body |
-
1984
- 1984-07-12 JP JP14487884A patent/JPS6125660A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS594466A (en) * | 1982-06-29 | 1984-01-11 | Mitsubishi Chem Ind Ltd | Holding device for cylindrical body |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6394569U (en) * | 1986-12-04 | 1988-06-18 | ||
| JPH0543897Y2 (en) * | 1986-12-04 | 1993-11-05 | ||
| JPS63315171A (en) * | 1987-06-16 | 1988-12-22 | Mita Ind Co Ltd | Drum coating method |
| JPH02277576A (en) * | 1989-04-19 | 1990-11-14 | Yoshimoto Paul Kk | Coating method for perforated hollow body |
| JPH04166237A (en) * | 1990-10-30 | 1992-06-12 | Fuji Photo Film Co Ltd | Surface treatment device for pipet tip |
| DE4300013A1 (en) * | 1993-01-02 | 1994-07-07 | Bosch Gmbh Robert | Immersion coating of hollow workpieces |
| DE4300013C2 (en) * | 1993-01-02 | 1998-10-15 | Bosch Gmbh Robert | Device for dip painting of hollow workpieces |
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