JPH0442846Y2 - - Google Patents
Info
- Publication number
- JPH0442846Y2 JPH0442846Y2 JP1987091560U JP9156087U JPH0442846Y2 JP H0442846 Y2 JPH0442846 Y2 JP H0442846Y2 JP 1987091560 U JP1987091560 U JP 1987091560U JP 9156087 U JP9156087 U JP 9156087U JP H0442846 Y2 JPH0442846 Y2 JP H0442846Y2
- Authority
- JP
- Japan
- Prior art keywords
- drum
- coating film
- mesh belt
- coating
- mesh
- 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
Links
- 239000011248 coating agent Substances 0.000 claims description 63
- 238000000576 coating method Methods 0.000 claims description 63
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 12
- 230000002093 peripheral effect Effects 0.000 description 12
- 239000003973 paint Substances 0.000 description 10
- 239000002904 solvent Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000007598 dipping method Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Photoreceptors In Electrophotography (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、例えば、電子写真感光体ドラムを製
造するに際して、円筒状のドラム外周面に感光性
物質を含有する塗布液を塗布して、該塗布液を乾
燥させることにより塗膜を形成した後に、不要部
の塗膜を除去するために用いられるドラムの塗膜
除去装置に関する。[Detailed description of the invention] (Industrial application field) The present invention, for example, when manufacturing an electrophotographic photoreceptor drum, applies a coating liquid containing a photosensitive substance to the outer peripheral surface of a cylindrical drum. The present invention relates to a drum-based coating film removal device used for removing unnecessary portions of the coating film after forming a coating film by drying the coating liquid.
（従来の技術）
例えば、円筒状のドラムに感光性物質を含有す
る塗布液を塗布して、電子写真感光体ドラムを製
造する方法としては、ドラムを略鉛直に保持しつ
つ塗布液中に浸漬させ、該ドラムを軸方向に一定
の速度で塗布液から退出させて該塗布液を乾燥さ
せることにより、ドラム外周面に均一な膜厚に塗
膜を形成する浸漬法が一般的である。(Prior art) For example, a method for manufacturing an electrophotographic photosensitive drum by coating a cylindrical drum with a coating liquid containing a photosensitive substance is to immerse the drum in the coating liquid while holding the drum approximately vertically. A commonly used dipping method is to form a coating film with a uniform thickness on the outer peripheral surface of the drum by drying the coating solution by moving the drum out of the coating solution at a constant speed in the axial direction.
電子写真感光体ドラムでは、ドラムの端部にフ
ランジを嵌合させたり、導電処理するために、該
ドラム端部には塗膜が形成されていないことが好
ましい。しかし、上述の浸漬法では、ドラムが略
鉛直に保持されて、塗布液内から退入されるた
め、そのドラムの下端部には、必ず塗布液が塗布
されて塗膜が形成される。このため、浸漬法によ
り塗布液が塗布されたドラムは、端部に形成され
た塗膜を除去しなければならない。 In an electrophotographic photosensitive drum, it is preferable that a coating film not be formed on the end of the drum in order to fit a flange to the end of the drum or perform conductive treatment on the end of the drum. However, in the above-mentioned dipping method, since the drum is held substantially vertically and withdrawn from within the coating liquid, the coating liquid is always applied to the lower end of the drum to form a coating film. For this reason, it is necessary to remove the coating film formed at the end of the drum coated with the coating liquid by the dipping method.
このような問題を解決するために、例えば、特
開昭60−170858号公報には、ドラム外周面に形成
された塗膜を、該塗膜を溶解し得る溶剤内にドラ
ム端部を浸漬させて、浸漬されたドラム端部に柔
軟性の板を摺接させることにより、該ドラム端部
の不要な塗膜を除去する方法が開示されている。 In order to solve such problems, for example, Japanese Patent Application Laid-Open No. 170858/1983 discloses a method in which the end of the drum is immersed in a solvent that can dissolve the coating film formed on the outer peripheral surface of the drum. A method is disclosed in which an unnecessary coating film is removed from the immersed end of the drum by sliding a flexible plate into contact with the end of the drum.
また、このように、塗膜を溶解し得る溶剤を用
いることなく、不要な塗膜を、例えば、ナイフを
用いて削り取る方法も知られている。 Furthermore, a method is also known in which an unnecessary coating film is scraped off using a knife, for example, without using a solvent that can dissolve the coating film.
（考案が解決しようとする問題点）
上述した特開昭60−170858号公報に開示された
方法では、溶剤に溶解した塗膜成分が、該溶剤内
に浸漬されたドラム端部に付着するおそれがあ
る。このため、溶剤から塗膜成分を除去したり、
汚染された溶剤を汚染されていないものに頻繁に
入れ替えなければならず、作業効率が低下すると
いう問題がある。(Problems to be solved by the invention) In the method disclosed in JP-A-60-170858 mentioned above, there is a risk that the coating film components dissolved in the solvent will adhere to the end of the drum immersed in the solvent. There is. For this reason, it is possible to remove coating film components from the solvent,
There is a problem in that contaminated solvent must be frequently replaced with uncontaminated one, which reduces work efficiency.
また、ナイフを用いて不要部の塗膜を削り取る
方法では、削り取る必要のない部分の塗膜を削り
取らないように、細心の注意を払わなければなら
ず、削り取り作業に長時間を要するという欠点が
ある。 Additionally, using a knife to scrape off unnecessary parts of the paint film requires extreme care not to scrape off parts of the paint film that do not need to be scraped off, and the disadvantage is that the scraping process takes a long time. be.
本考案は、上記従来の問題を解決するものであ
り、その目的は、ドラム外周面に形成された塗膜
を、該塗膜を溶解させる溶剤を用いることなく、
従つて、塗膜を溶解し得る溶剤を頻繁に取り替え
る必要がなく、短時間に、しかも確実に不要部の
塗膜を除去し得るドラムの塗膜除去装置を提供す
ることにある。 The present invention solves the above conventional problems, and its purpose is to remove the coating film formed on the outer peripheral surface of the drum without using a solvent to dissolve the coating film.
Therefore, it is an object of the present invention to provide a coating film removal device for a drum that can remove coating films from unnecessary areas in a short time and reliably without requiring frequent replacement of a solvent capable of dissolving the coating film.
（問題点を解決するための手段）
本考案のドラムの塗膜除去装置は、外周面に塗
膜が形成されたドラムを保持する手段と、該ドラ
ム外周面における除去すべき塗膜に一面が摺接し
て周回移動し得るように配設されたエンドレスの
メツシユベルトと、該メツシユベルトの周回移動
域において、該メツシユベルトにおけるドラムと
摺接する面に摺接して、該メツシユベルト内に入
り込んだ塗膜を除去するブレードと、を具備して
なり、そのことにより上記目的が達成される。(Means for Solving the Problems) The apparatus for removing a coating film on a drum according to the present invention includes means for holding a drum having a coating film formed on its outer circumferential surface, and a means for holding a drum having a coating film formed on the outer circumferential surface thereof, An endless mesh belt arranged so as to be able to move around in sliding contact with the drum, and in the area of rotation of the mesh belt, in sliding contact with the surface of the mesh belt that comes into sliding contact with the drum to remove a coating film that has entered into the mesh belt. A blade, thereby achieving the above object.
（実施例） 以下に本考案を実施例について説明する。(Example) The present invention will be described below with reference to embodiments.
本考案のドラムの塗膜除去装置は、例えば、電
子写真感光体ドラムを製造する際に用いられる。
電子写真感光体ドラムは、例えば感光性物質を含
有する塗布液内に、例えばアルミニウム基板を円
筒状に形成したドラムを浸漬させて、該ドラム外
周面に塗布液を塗布し、該塗布液を乾燥させるこ
とにより、外周面に感光層となる塗膜を形成し、
さらに、その後に該塗膜の不要部を除去すること
により製造される。本考案のドラムの塗膜除去装
置は、例えば、ドラム外周面に形成された塗膜の
不要部分であるドラム端部に形成された塗膜を除
去するために使用される。 The drum coating removal apparatus of the present invention is used, for example, when manufacturing electrophotographic photosensitive drums.
An electrophotographic photosensitive drum is produced by, for example, dipping a drum formed of an aluminum substrate into a cylindrical shape into a coating liquid containing a photosensitive substance, applying the coating liquid to the outer peripheral surface of the drum, and drying the coating liquid. By doing so, a coating film that becomes a photosensitive layer is formed on the outer peripheral surface,
Furthermore, it is manufactured by subsequently removing unnecessary parts of the coating film. The drum paint film removal device of the present invention is used, for example, to remove a paint film formed on the end of the drum, which is an unnecessary portion of the paint film formed on the outer peripheral surface of the drum.
該装置は、第１図および第２図に示すように、
下端部に除去すべき塗膜が形成されたドラム１０
が載置されて回転される回転台２０と、該ドラム
１０の下端部に摺接して塗膜を除去する一対のメ
ツシユベルト３０および３０とを有する。 The device, as shown in FIGS. 1 and 2,
Drum 10 with a coating film to be removed formed on the lower end
The drum 10 has a rotary table 20 on which it is placed and rotated, and a pair of mesh belts 30 and 30 that slide against the lower end of the drum 10 to remove the coating film.
回転台２０は、その下方に配設されたモータ２
１にて、例えば、第１図に矢印Ａで示す時計回り
方向へ回転される。 The rotary table 20 has a motor 2 disposed below it.
1, it is rotated, for example, in the clockwise direction indicated by arrow A in FIG.
一対のメツシユベルト３０および３０は、例え
ば、ステンレスにより100〜400メツシユとなるよ
うに構成されており、回転台２０上に載置された
ドラム１０の下端部における塗膜を除去すべき部
分を挟んで、相対向して配設されている。各メツ
シユベルト３０は、この下端部外周面に摺接し得
るように、それぞれ４つのプーリ３１〜３４に巻
き掛けられている。各メツシユベルト３０は、回
転台２０により回転されるドラム１０の回転方向
とは、それぞれ相反する方向へ周回移動し、ドラ
ム１０外周面と摺接することにより、該ドラム１
０の外周面の塗膜を削り取る。４つのプーリは、
メツシユベルト３０とドラム１０との摺接位置か
ら、メツシユベルト３０移動方向の下流側に、プ
ーリ３１，３２，３３，３４と順次配設され、こ
れらのプーリにてメツシユベルト３０は台形状に
周回移動される。メツシユベルト３０とドラム１
０との摺接位置からメツシユベルト３０の移動方
向上流側および下流側に配設されたプーリ３１お
よび３４はメツシユベルト３０が強くドラム１０
外周面に摺接し得るように、メツシユベルト３０
摺接位置に対してドラム１０中心側に位置されて
おり、他の２つのプーリ３２および３３は、各プ
ーリ３１および３４を挟んでドラム１０と対向す
るように配設されている。 The pair of mesh belts 30 and 30 are made of stainless steel, for example, and have a mesh length of 100 to 400, and are sandwiched between the lower end portion of the drum 10 placed on the rotary table 20 where the coating film is to be removed. , are arranged opposite to each other. Each mesh belt 30 is wound around four pulleys 31 to 34, respectively, so as to be in sliding contact with the outer circumferential surface of the lower end. Each mesh belt 30 rotates in a direction opposite to the rotational direction of the drum 10 rotated by the rotary table 20, and slides into contact with the outer peripheral surface of the drum 10.
Scrape off the paint film on the outer peripheral surface of 0. The four pulleys are
Pulleys 31, 32, 33, and 34 are sequentially disposed on the downstream side in the moving direction of the mesh belt 30 from the sliding contact position between the mesh belt 30 and the drum 10, and the mesh belt 30 is moved around in a trapezoidal shape by these pulleys. . mesh belt 30 and drum 1
The pulleys 31 and 34 disposed on the upstream and downstream sides in the moving direction of the mesh belt 30 from the sliding contact position with the mesh belt 30 have a strong grip on the drum 10.
A mesh belt 30 is attached so as to be in sliding contact with the outer circumferential surface.
It is located on the center side of the drum 10 with respect to the sliding contact position, and the other two pulleys 32 and 33 are arranged to face the drum 10 with the respective pulleys 31 and 34 in between.
各メツシユベルト３０のドラム１０との摺接位
置よりも下流側に配設された各プーリ３１にはモ
ータ３５および３５がそれぞれ連結されており、
各モータ３５の回転により、各メツシユベルト３
０はプーリ３１〜３４に沿つて周回移動される。 Motors 35 and 35 are connected to each pulley 31 disposed downstream of the sliding contact position of each mesh belt 30 with the drum 10, respectively.
By the rotation of each motor 35, each mesh belt 3
0 is moved around along pulleys 31-34.
ドラム１０の外周面に摺接した各メツシユベル
ト３０は、プーリ３２および３３の間においてメ
ツシユベルト３０周回域の外方に配設されたブレ
ード３６および３６に摺接する。メツシユベルト
３０とドラム１０外周面との摺接により該ドラム
外周面から削り取られた塗膜がメツシユベルト３
０のメツシユ内に入り込んでいれば、各ブレード
３６は、メツシユベルト３０と摺接することによ
り、該塗膜をそのメツシユ内から取り除く。 Each mesh belt 30 that is in sliding contact with the outer circumferential surface of the drum 10 is in sliding contact with blades 36 and 36 that are disposed between pulleys 32 and 33 and outside of the mesh belt 30 rotation area. Due to the sliding contact between the mesh belt 30 and the outer circumferential surface of the drum 10, the coating film scraped off from the outer circumferential surface of the drum is transferred to the mesh belt 3.
0 mesh, each blade 36 removes the coating film from within the mesh by slidingly contacting the mesh belt 30.
このような構成のドラムの塗膜除去装置の動作
は次のとおりである。まず、例えば、浸漬法によ
り、上端部を除く外周面に塗布液が塗布されて、
その塗布液が乾燥することにより塗膜が形成され
たドラム１０を、回転台２０上に載置する。この
とき、２組のプーリ３１〜３４および３１〜３４
には、ドラム１０下端部において、除去すべき塗
膜の軸方向長さに等しい幅方向寸法を有するメツ
シユベルト３０および３０が、それぞれ巻き掛け
られている。このような状態で、モータ２１が回
転駆動されると共に、各プーリ３１に取付けられ
たモータ３５がそれぞれ回転駆動される。これに
より、回転台２０上のドラム１０が、第１図に矢
印Ａで示す時計回り方向へ回転されると共に、各
メツシユベルト３０が、該ドラム１０の回転方向
とは反対方向へそれぞれ周回移動される。そし
て、各メツシユベルト３０は、ドラム１０下端部
における相対向する位置にてその外周面にそれぞ
れ摺接し、該外周面の塗膜を削り取る。削り取ら
れた塗膜の一部は、各メツシユベルト３０のメツ
シユ内へ入り込むが、この塗膜は、各メツシユベ
ルト３０が周回移動する間に、ブレード３６にて
取り除かれる。このようにして、メツシユから塗
膜が取り除かれた状態で、各メツシユベルト３０
がドラム１０下端部の外周面に摺接して、該外周
面の塗膜を軸方向の所定の長さにわたつて確実に
除去する。 The operation of the drum coating removal device having such a structure is as follows. First, a coating liquid is applied to the outer circumferential surface except for the upper end by, for example, a dipping method.
The drum 10 on which the coating film is formed by drying the coating liquid is placed on the rotating table 20. At this time, two sets of pulleys 31-34 and 31-34
Mesh belts 30 and 30 having widthwise dimensions equal to the axial length of the coating film to be removed are wound around the lower end of the drum 10, respectively. In this state, the motor 21 is driven to rotate, and the motors 35 attached to each pulley 31 are also driven to rotate. As a result, the drum 10 on the rotary table 20 is rotated in the clockwise direction shown by arrow A in FIG. . Each mesh belt 30 comes into sliding contact with the outer circumferential surface of the drum 10 at opposing positions at the lower end of the drum 10, and scrapes off the coating film on the outer circumferential surface. A portion of the scraped coating film enters the mesh of each mesh belt 30, but this coating film is removed by the blade 36 while each mesh belt 30 rotates. In this way, with the coating film removed from the mesh, each mesh belt 30
comes into sliding contact with the outer peripheral surface of the lower end of the drum 10, and reliably removes the coating film on the outer peripheral surface over a predetermined length in the axial direction.
メツシユベルト３０のメツシユは、100〜400メ
ツシユの範囲が好ましい。100メツシユ以下であ
れば、目が粗すぎて、ドラム１０の外周面から塗
膜を削り取ることができなくなり、400メツシユ
以上になれば目が細かすぎて、削り取つた塗膜に
て目詰まりが生じるおそれがある。 The mesh of the mesh belt 30 is preferably in the range of 100 to 400 meshes. If it is less than 100 meshes, the mesh is too coarse and the paint film cannot be scraped off from the outer circumferential surface of the drum 10, and if it is over 400 meshes, the mesh is too fine and the scraped paint film will clog. There is a risk that this may occur.
（考案の効果）
本考案のドラムの塗膜除去装置は、このよう
に、ドラム外周面に形成された不要部の塗膜を、
確実に除去し得る。メツシユベルトの面にて、塗
膜を除去するため、短時間にて、不要部の塗膜を
所定の長さにわたつて確実に除去し得る。メツシ
ユベルトを用いているため、削り取られた塗膜に
より目詰まりが生じても、容易にその目詰まりを
解消し得る。(Effects of the invention) The drum paint film removal device of the present invention can remove unnecessary parts of the paint film formed on the outer peripheral surface of the drum.
It can be definitely removed. Since the coating film is removed on the surface of the mesh belt, the unnecessary coating film can be reliably removed over a predetermined length in a short time. Since a mesh belt is used, even if clogging occurs due to the scraped coating film, the clogging can be easily cleared.
第１図は本考案のドラムの塗膜除去装置の一例
を示す平面図、第２図はその側面図である。
１０……ドラム、２０……回転台、２１，３５
……モータ、３０……メツシユベルト、３１〜３
４……プーリ、３６……ブレード。
FIG. 1 is a plan view showing an example of the drum coating removal device of the present invention, and FIG. 2 is a side view thereof. 10...drum, 20...rotating table, 21,35
...Motor, 30...Mesh belt, 31-3
4...Pulley, 36...Blade.
Claims (1)
手段と、 該ドラム外周面における除去すべき塗膜に一
面が摺接して周回移動し得るように配設された
エンドレスのメツシユベルトと、 該メツシユベルトの周回移動域において、該
メツシユベルトにおけるドラムと摺接する面に
摺接して、該メツシユベルト内に入り込んだ塗
膜を除去するブレードと、 を具備するドラムの塗膜除去装置。 ２ 前記メツシユベルトがステンレス製である実
用新案登録請求の範囲第１項に記載のドラムの
塗膜除去装置。 ３ 前記メツシユベルトのメツシユが100〜400メ
ツシユである実用新案登録請求の範囲第１項に
記載のドラムの塗膜除去装置。[Scope of Claim for Utility Model Registration] 1. A means for holding a drum having a coating film formed on its outer circumferential surface, and a means for holding a drum having a coating film formed on the outer circumferential surface of the drum; A drum coating removal device comprising: an endless mesh belt; and a blade that slides on a surface of the mesh belt that slides in contact with a drum in a circumferential movement region of the mesh belt to remove a coating film that has entered the mesh belt. . 2. The drum coating removal device according to claim 1, wherein the mesh belt is made of stainless steel. 3. The drum coating removal device according to claim 1, wherein the mesh belt has a mesh of 100 to 400 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987091560U JPH0442846Y2 (en) | 1987-06-15 | 1987-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987091560U JPH0442846Y2 (en) | 1987-06-15 | 1987-06-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63200841U JPS63200841U (en) | 1988-12-23 |
| JPH0442846Y2 true JPH0442846Y2 (en) | 1992-10-09 |
Family
ID=30952458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987091560U Expired JPH0442846Y2 (en) | 1987-06-15 | 1987-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442846Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60192951A (en) * | 1984-03-14 | 1985-10-01 | Canon Inc | Production of electrophotographic sensitive body |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60170858U (en) * | 1985-02-28 | 1985-11-12 | キヤノン株式会社 | opening/closing body |
-
1987
- 1987-06-15 JP JP1987091560U patent/JPH0442846Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60192951A (en) * | 1984-03-14 | 1985-10-01 | Canon Inc | Production of electrophotographic sensitive body |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63200841U (en) | 1988-12-23 |
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