JPH03269458A - Developer discharge device for dry type printer - Google Patents
Developer discharge device for dry type printerInfo
- Publication number
- JPH03269458A JPH03269458A JP2070215A JP7021590A JPH03269458A JP H03269458 A JPH03269458 A JP H03269458A JP 2070215 A JP2070215 A JP 2070215A JP 7021590 A JP7021590 A JP 7021590A JP H03269458 A JPH03269458 A JP H03269458A
- Authority
- JP
- Japan
- Prior art keywords
- developer
- vacuum suction
- attachment
- hose
- developer discharge
- 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
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Abstract
Description
【産業上の利用分野］
本発明は情報処理出力用プリンタ等連続用紙を用いる電
子写真方式の乾式印刷装置に関し、特に現像剤の回収方
法に関する。
【従来の技術）
従来、この種の乾式印刷装置の現像剤の回収は、たとえ
ば第５図に示すように現像器２１内部に設けられている
現像剤排出用コンベヤ２２を駆動することによって、現
像器２１の底部の現像剤排出側端部附近に設けられた現
像剤排出口２３により外部に排出することによっておこ
なわれていた。さらに前記現像剤排出用コンベヤだけで
排出されない現像剤の残部は、現像器を本体より取り外
して人力によりυ［出していた。
〔発明が解決しようとする課題］
上記従来の乾式印刷装置の現像剤の回収方法では、現像
剤の中のトナーが飛散して不清潔であり、重い現像器を
本体から取り外したり取りっけたりで保守の面において
作業性が悪く、残った現像剤を人力により排出するため
回収率にばらつきがあるなどの問題点があった。
本発明の目的は、従来の技術の有するこのような問題点
を解決するために、メンテナンス時における現像剤回収
の作業性の向上が計れる乾式印刷装置用現像剤排出装置
を提供することにある。
【課題を解決するための手段】
上記目的を達成するために１本発明の乾式印刷装置用現
像剤排出装置は、
電子写真方式の乾式印刷装置における現像器内部に現像
剤ｐＦ出用コンベヤを設け、かつその現像剤排出側端部
附近の現像器底部に開口する現像剤排出口に対して、真
空吸引機に接続された真空吸込開口アタッチメントを着
脱自在に臨設させている。[Industrial Field of Application] The present invention relates to an electrophotographic dry printing apparatus using continuous paper, such as a printer for information processing and output, and particularly to a developer recovery method. [Prior Art] Conventionally, developer collection in this type of dry printing apparatus is carried out by driving a developer discharge conveyor 22 provided inside a developing unit 21, as shown in FIG. 5, for example. This is accomplished by discharging the developer to the outside through a developer discharge port 23 provided near the developer discharge side end of the bottom of the container 21. Furthermore, the remainder of the developer that cannot be discharged by the developer discharge conveyor alone has to be removed manually by removing the developing device from the main body. [Problems to be Solved by the Invention] In the above-mentioned conventional developer recovery method of a dry printing device, the toner in the developer scatters and is unclean, and it is difficult to remove or attach the heavy developer from the main body. However, there were problems in terms of maintenance, such as poor workability and variations in the recovery rate as the remaining developer was discharged manually. SUMMARY OF THE INVENTION An object of the present invention is to provide a developer discharging device for a dry printing device that can improve the workability of developer recovery during maintenance, in order to solve the problems of the prior art. [Means for Solving the Problems] In order to achieve the above object, a developer discharging device for a dry printing device according to the present invention is provided with a developer pF discharging conveyor inside the developing device of an electrophotographic dry printing device. , and a vacuum suction opening attachment connected to a vacuum suction machine is removably installed on a developer discharge port opening at the bottom of the developing device near the developer discharge side end thereof.
【作用Ｊ
したがって、現像剤の回収時に現像器内部に設けられて
いる現像剤排出用コンベヤを駆動させると共に、現像剤
排出口に真空吸込開口アタッチメントを取り付けて真空
吸引機を駆動させるので、現像器内部の現像剤は機械的
に押し出されると共に吸引されて真空吸引機の内部に回
収される。
【実施例１
次に１本発明の実施例について図面を参照して説明する
。
第１図は本発明の乾式印刷装置用現像剤排出装置の一実
施例の斜視図、第２図、第３図はそれぞれ第１図の真空
吸込開口アタッチメントの一実施例の断面図、第４図は
同じ真空吸込開口アタッチメントの別の実施例の斜視図
である。
７ｕ子写真方式の乾式印刷装置の一部を構成している現
像器１の内部には、現像剤２が乾燥した微粉末の状態で
入れられており、また現像器ｌの内部の所要の位置には
、必要の折に現像剤２を現像剤ＪＪ）出口３より電動機
駆動によって機械的に排出可能な現像剤排出用コンベヤ
４が設けられている。
さらに、現像剤排出［１３には外部より真空吸引機５の
真空吸引ホース６の端末開口部が取り付けられるホース
取り付は部７が設けられて居り、真空吸引機５の真空吸
引ホース６の端末開口部には前記ホース取り付は部７に
対して着脱自在な真空吸込開口アタッチメント８が何時
でも着脱可能な状態で設けられている。ホース取り付は
部７と真空吸込開口アタッチメント８との着脱方式は種
々考えられるが、代表的な実施例を第２図、第３図およ
び第４図で説明すると次の通りである。
第２図は螺着方式の場合の一実施例の断面図で現像器１
の現像剤排出［１３の側地にはホース取り付は部７が固
着されており、該ホース取り付は部７の外径表面にはね
じが切られていて、このねじに、真空吸引ホース６の端
末開口部に取り付けられている真空吸込開口アタッチメ
ント８の内径に切られているねじが螺着可能になってい
る。
第３図はボルト締め方式の場合の一実施例の断面図で現
像器ｌの現像剤排出口３の側地に前記ホース取り付は部
７のかわりにフランジ９が、所要の複数のボルト同と共
に固着されて居り、真空吸弓ホース６の端末開口部には
前記フランジ９に相対応するフランジ１１が前記真空吸
込開口アタッチメント８のかわりに固着されていて、フ
ランジ９とフランジ１１とはそれぞれ複数のポルト１０
とナツト１２とによってボルト締め可能になっている。
第４図はＷ！着方式の場合の一実施例の斜視図で現像器
ｌの現像剤排出口３の側地に楔着式ホース取り付は部Ｉ
３が固着されており、該楔着式ホース取り付は部１３に
は外周壁土所要の位置に突起棒１４が設けられている。
真空吸引ホース６の端末開口部には前記実施例の場合の
真空吸込開口アタッチメント８や、フランジ１１のかわ
りに楔着アタッチメント１５が設けられていて、該楔着
アタッチメント１５は前記Ｆ着式ホース取り付は部１３
に嵌合可能であり、該楔着アタッチメント１５の円周壁
には、前記楔着式ホース取り付は部１３の外周壁に設け
られている突起棒１４に真空吸引ホース６の軸方向に所
要の深さまで該楔着アタッチメントＩ５を挿入したのち
に所要の方向に回わしてやることによって楔効果によっ
て前記楔着式ホース取り付は部１３と、前記楔着アタッ
チメント１５とが固着可能な満１６が周設されている。
次に本実施例の作用について説明する。
乾式印刷装置のメンテナンス時などで現像剤の回収が必
要となったとき、前記真空吸引機５を用意し、その真空
吸引ホース６の端末開口部に取り付けられている前記真
空吸込開口アタッチメント８や、前記フランジ］】や、
前記楔着アタッチメント】５を、それぞれ１回収すべき
現像剤２が入っている現像器１の現像剤排出口３に設け
られている前記ホース取り付は部７や、前記フランジ９
や、前記１’Ｊ着式ホース取り付は部１３に、螺着、ボ
ルト締めまたは楔着などによって接続する。
その後、現像器１の内部の所要の位置に設けられた現像
剤排出用コンベヤ４を電動機によって駆動させ、現像剤
２を現像剤排出口３より機械的に排出させると共に、前
記のように真空吸引ホース６を現像剤排出口３に接続し
た真空吸引機５を駆動せしめると、現像器ｌ内の現像剤
２は機械作用および真空吸引作用によって真空吸引機５
の内部に回収される。
なお前記真空吸引機５は、現像剤２を構成している微粉
末状態のトナーや鉄粉などから電動機などの回転部分な
どの損耗が防げるようになっている防塵型構造のものが
望ましく、普通乾式印刷装置の附属備品として附属され
ている専用の真空掃除機を使用することが望ましい。[Function J] Therefore, when collecting developer, the developer discharging conveyor provided inside the developing device is driven, and a vacuum suction opening attachment is attached to the developer discharge port to drive the vacuum suction device. The developer inside is mechanically pushed out and sucked into the vacuum suction machine. Embodiment 1 Next, an embodiment of the present invention will be described with reference to the drawings. 1 is a perspective view of an embodiment of the developer discharging device for a dry printing apparatus according to the present invention, FIGS. 2 and 3 are sectional views of an embodiment of the vacuum suction opening attachment of FIG. 1, and FIG. The figure is a perspective view of another embodiment of the same vacuum suction opening attachment. A developer 2 is contained in the form of a dry fine powder inside a developing device 1, which constitutes a part of a 7U photographic dry printing device, and is placed at a required position inside the developing device 1. is provided with a developer discharge conveyor 4 which can mechanically discharge the developer 2 from a developer outlet 3 by driving an electric motor when necessary. Further, the developer discharge [13] is provided with a hose attachment part 7 to which the terminal opening of the vacuum suction hose 6 of the vacuum suction machine 5 is attached from the outside. A vacuum suction opening attachment 8, which can be attached to and detached from the hose attachment section 7, is provided in the opening so that it can be attached or detached at any time. Various methods of attaching and detaching the hose between the part 7 and the vacuum suction opening attachment 8 are conceivable, but a typical example will be explained below with reference to FIGS. 2, 3, and 4. Figure 2 is a cross-sectional view of one embodiment of the screw-on type developing device 1.
A hose attachment part 7 is fixed to the side of developer discharge [13], and a thread is cut on the outer diameter surface of the hose attachment part 7, and a vacuum suction hose is attached to this thread. A screw cut into the inner diameter of a vacuum suction opening attachment 8 attached to the terminal opening of 6 can be screwed into the vacuum suction opening attachment 8. FIG. 3 is a cross-sectional view of an embodiment of the bolt-tightening method, in which the hose is attached to the side of the developer outlet 3 of the developing device 1 by using a flange 9 instead of the part 7, and using a plurality of required bolts and the like. A flange 11 corresponding to the flange 9 is fixed to the end opening of the vacuum suction hose 6 in place of the vacuum suction opening attachment 8, and each of the flanges 9 and 11 has a plurality of flanges. Porto 10
and a nut 12 to enable bolt tightening. Figure 4 is W! This is a perspective view of an embodiment in which a wedge-type hose is attached to the side of the developer discharge port 3 of the developing device L.
The wedge-type hose attachment portion 13 is provided with protruding rods 14 at required positions on the outer peripheral wall. A wedge attachment 15 is provided at the end opening of the vacuum suction hose 6 in place of the vacuum suction opening attachment 8 and the flange 11 in the case of the above-mentioned embodiment, and the wedge attachment 15 is provided with the above-mentioned F-type hose take-up. Attached is part 13
The wedge-type hose attachment can be fitted to the circumferential wall of the wedge attachment 15, and the wedge-type hose attachment can be fitted to the protruding rod 14 provided on the outer circumferential wall of the portion 13 in a required manner in the axial direction of the vacuum suction hose 6. By inserting the wedge attachment I5 to the full depth and then turning it in the required direction, the wedge effect allows the wedge attachment to be performed so that the entire circumference 16 where the wedge attachment 15 can be fixed to the portion 13 is fixed. It is set up. Next, the operation of this embodiment will be explained. When it is necessary to recover the developer during maintenance of the dry printing device, etc., the vacuum suction device 5 is prepared, and the vacuum suction opening attachment 8 attached to the terminal opening of the vacuum suction hose 6, [the said flange]],
The wedge attachment 5 is attached to the hose attachment portion 7 or the flange 9 provided at the developer outlet 3 of the developing device 1 containing the developer 2 to be collected.
Also, the 1'J type hose attachment is connected to part 13 by screwing, bolting, or wedge-fitting. Thereafter, the developer discharge conveyor 4 provided at a predetermined position inside the developing device 1 is driven by an electric motor, and the developer 2 is mechanically discharged from the developer discharge port 3, and the developer 2 is vacuum-suctioned as described above. When the vacuum suction device 5 with the hose 6 connected to the developer discharge port 3 is driven, the developer 2 in the developing device 1 is transferred to the vacuum suction device 5 by mechanical action and vacuum suction action.
is collected inside. It is preferable that the vacuum suction device 5 has a dust-proof structure to prevent the rotating parts of the electric motor from being damaged by the fine powder toner and iron powder that make up the developer 2. It is desirable to use a dedicated vacuum cleaner that is included as an accessory to the dry printing device.
以上説明したように１本発明の乾式印刷装置用現像剤排
出装置は、現像剤の回収時に従来の現像剤排出用コンベ
ヤの駆動による機械的排出にあわせて、真空吸引機の真
空吸引ホースの端末開口部に真空吸込開口アタッチメン
トを現像剤排出口に着脱自在に臨設して真空吸引するこ
とによって。
排出用コンベヤだけでは届かなかった現像器の隅の部分
の現像剤や、現像器内部に微粉状になって浮遊している
現像剤も清潔かつ容易に作業時間も短かく排出１回収で
きる効果を奏する。As explained above, (1) the developer discharging device for a dry printing apparatus according to the present invention is capable of discharging the developer at the end of the vacuum suction hose of the vacuum suction machine in conjunction with the mechanical discharge by driving the conventional developer discharging conveyor when collecting the developer. By attaching and detaching a vacuum suction opening attachment to the developer outlet and vacuum suction. The developer in the corners of the developing device, which could not be reached by the discharge conveyor alone, and the developer floating in fine powder inside the developing device can be removed cleanly, easily, and in a short working time. play.
第１図は本発明の乾式印刷装置用現像剤排出装置の一実
施例の斜視図、第２図、第３図はそれぞれ第１図の真空
吸込開口アタッチメントの一実施例の断面図、第４図は
同じ真空吸込開口アタッチメントの別の実施例の斜視図
、第５図は従来の技術の乾式印刷装置の現像剤の回収を
しめず原理説明図である。
１．２１・・・現像器、 ２・・・現像剤、３．
２３−・・現像剤排出口、
４．２２・・・現像剤排出用コンベヤ、５・・・真空吸
引機、 ６−・・真空吸引ボース、７・・・ホー
ス取り付は部。
８・・・真空吸込開口アタッチメント、９．１１・・・
フラ
１２・・・・ナツト、
１４・・・突起棒、
Ｉ６・・・満、
ンジ、 ｌＯ・・・ボルト、
１３・・・楔着式ホース取り付は部、
１５・・・楔着アタッチメント、
２４・・・トレー
日本電気オフィスシステム株式会社1 is a perspective view of an embodiment of the developer discharging device for a dry printing apparatus according to the present invention, FIGS. 2 and 3 are sectional views of an embodiment of the vacuum suction opening attachment of FIG. 1, and FIG. This figure is a perspective view of another embodiment of the same vacuum suction opening attachment, and FIG. 5 is a diagram illustrating the principle of developer recovery in a conventional dry printing apparatus. 1.21...Developer, 2...Developer, 3.
23--Developer discharge port, 4.22--Developer discharge conveyor, 5--Vacuum suction machine, 6--Vacuum suction bow, 7--Hose attachment section. 8...Vacuum suction opening attachment, 9.11...
Flare 12...Nut, 14...Protruding rod, I6...Full bolt, lO...Bolt, 13...Wedge type hose attachment part, 15...Wedge attachment, 24...Tray NEC Office Systems Co., Ltd.
Claims (1)
現像剤排出用コンベヤを設け、かつその現像剤排出側端
部附近の現像器底部に開口する現像剤排出口に対して、
真空吸引機に接続された真空吸込開口アタッチメントを
着脱自在に臨設させたことを特徴とする乾式印刷装置用
現像剤排出装置。1. A developer discharging conveyor is provided inside the developing device in an electrophotographic dry printing device, and a developer discharging port that opens at the bottom of the developing device near the developer discharging side end,
A developer discharge device for a dry printing device, characterized in that a vacuum suction opening attachment connected to a vacuum suction machine is detachably provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2070215A JPH03269458A (en) | 1990-03-19 | 1990-03-19 | Developer discharge device for dry type printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2070215A JPH03269458A (en) | 1990-03-19 | 1990-03-19 | Developer discharge device for dry type printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03269458A true JPH03269458A (en) | 1991-12-02 |
Family
ID=13425090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2070215A Pending JPH03269458A (en) | 1990-03-19 | 1990-03-19 | Developer discharge device for dry type printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03269458A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0859293A2 (en) * | 1997-02-13 | 1998-08-19 | Xerox Corporation | Method and apparatus for removing toner waste from a toner sump |
| JP2007079578A (en) * | 2005-09-13 | 2007-03-29 | Xerox Corp | Trickle collection system and method, and electrophotographic system using the same |
-
1990
- 1990-03-19 JP JP2070215A patent/JPH03269458A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0859293A2 (en) * | 1997-02-13 | 1998-08-19 | Xerox Corporation | Method and apparatus for removing toner waste from a toner sump |
| EP0859293A3 (en) * | 1997-02-13 | 1998-09-02 | Xerox Corporation | Method and apparatus for removing toner waste from a toner sump |
| JP2007079578A (en) * | 2005-09-13 | 2007-03-29 | Xerox Corp | Trickle collection system and method, and electrophotographic system using the same |
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