JP4722602B2 - Method of manufacturing fixing belt guide device - Google Patents

Method of manufacturing fixing belt guide device Download PDF

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JP4722602B2
JP4722602B2 JP2005207365A JP2005207365A JP4722602B2 JP 4722602 B2 JP4722602 B2 JP 4722602B2 JP 2005207365 A JP2005207365 A JP 2005207365A JP 2005207365 A JP2005207365 A JP 2005207365A JP 4722602 B2 JP4722602 B2 JP 4722602B2
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fixing belt
joga
ring
cylindrical projection
manufacturing
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JP2007025271A (en
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進 石井
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株式会社セーコウ
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Description

本発明は、印刷機や複写機において用紙に熱と圧力を加えてトナーを定着させるための定着ベルトの案内装置の製造方法に関するものである。   The present invention relates to a method of manufacturing a fixing belt guide device for fixing toner by applying heat and pressure to paper in a printing machine or copying machine.

レーザプリンタの印刷プロセスは、まず、感光ドラム表面にマイナスの静電気を帯びさせ、次いで、レーザ発振器から出るレーザ光が感光ドラム上を走査して画像データを描く。すると、レーザ光が照射された部分はマイナスの静電気が消滅する。次いで、マイナスの静電気を帯びたトナーを感光ドラムに近づけると、静電気を失った部分にだけ、トナーが付着する。さらに、感光ドラムに用紙を密着させ用紙の裏側からプラスの電荷を与えるとトナーが用紙に付着する。そこで、用紙に熱と圧力を加えてトナーを定着させる。すなわち、加熱ローラと圧力を付加する定着ローラ間に用紙を通してトナーを定着させるようにしている。   In the printing process of the laser printer, negatively static electricity is first charged on the surface of the photosensitive drum, and then laser light emitted from the laser oscillator scans the photosensitive drum to draw image data. Then, the negative static electricity disappears in the portion irradiated with the laser beam. Next, when the negatively charged toner is brought close to the photosensitive drum, the toner adheres only to the portion where the static electricity is lost. Further, when the sheet is brought into close contact with the photosensitive drum and a positive charge is applied from the back side of the sheet, the toner adheres to the sheet. Therefore, the toner is fixed by applying heat and pressure to the paper. That is, the toner is fixed through the paper between the heating roller and the fixing roller to which pressure is applied.

一方、昨今では、その定着ローラに代えて、接触面積を増やすために、定着ベルトが用いられるようになってきている(下記特許文献1〜3参照)。
特開平6−318001号公報 特開2005−148311号公報 特開2005−148544号公報 特開平4−50883号公報
On the other hand, in recent years, instead of the fixing roller, a fixing belt has been used to increase the contact area (see Patent Documents 1 to 3 below).
JP-A-6-31801 JP 2005-148311 A JP 2005-148544 A JP-A-4-50883

しかしながら、定着ベルトを採用した場合、その定着ベルトはエンドレスベルトであるために定着ベルト内の両端部に少なくとも2本の定着ベルトの回転駆動軸が必要になる。その回転駆動軸を駆動すると、定着ベルトは平行度の保持が困難になり、定着ベルトは片側に移動してしまう。そこで、その移動を規制するため、回転駆動軸に係合する定着ベルトの案内装置が必要になる。   However, when a fixing belt is employed, since the fixing belt is an endless belt, at least two fixing belt rotation driving shafts are required at both ends of the fixing belt. When the rotary drive shaft is driven, it becomes difficult to maintain the parallelism of the fixing belt, and the fixing belt moves to one side. Therefore, in order to restrict the movement, a fixing belt guide device that engages with the rotation drive shaft is required.

以下、この点について詳細に説明する。
図8は従来の印刷機や複写機における用紙に熱と圧力を加えてトナーを定着させる定着装置の模式図である。
図8に示すように、一方にヒータ101を収納した中空の金属コア102の外周に例えばテフロン(登録商標)による耐熱離型層103を設けた加熱ローラ100を備え、他方に複数の支持ローラ104に掛け渡した定着ベルト105を備え、それらの加熱ローラ100及び定着ベルト105の定着ニップ部分のニップ幅を大きくして定着効果を上げるようにしたものがある(上記特許文献4参照)。
Hereinafter, this point will be described in detail.
FIG. 8 is a schematic view of a fixing device for fixing toner by applying heat and pressure to paper in a conventional printing machine or copying machine.
As shown in FIG. 8, a heating roller 100 provided with a heat-resistant release layer 103 made of, for example, Teflon (registered trademark) is provided on the outer periphery of a hollow metal core 102 containing a heater 101 on one side, and a plurality of support rollers 104 is provided on the other side. There is a fixing belt 105 that is stretched over the belt, and the nip width of the fixing nip portion of the heating roller 100 and the fixing belt 105 is increased to improve the fixing effect (see Patent Document 4).

また、図9に示すように、エンドレス定着ベルト201は弾力性のあるポリイミド樹脂製のベルト基体201Aと、このベルト基体201Aの外周面(表面)に耐熱性シリコン樹脂が被覆された耐熱離型層201Bからなり、このベルト基体201Aの開口端部の両端内面を荒くする粗面加工を行い、そのエンドレス定着ベルト201の荒くした両端内面に、図10に示すように、弾力性のある環状のガイドゴム202を接着剤を介して固定するようにしている。   Further, as shown in FIG. 9, an endless fixing belt 201 includes an elastic polyimide resin belt base 201A, and a heat-resistant release layer in which the outer peripheral surface (surface) of the belt base 201A is coated with a heat-resistant silicone resin. 201B, and roughened to roughen the inner surfaces at both ends of the opening end of the belt base 201A. As shown in FIG. 10, an elastic annular guide is formed on the roughened inner surfaces of both ends of the endless fixing belt 201. The rubber 202 is fixed with an adhesive.

しかしながら、弾力性を有するエンドレス定着ベルト201のベルト基体201Aの開口端部の両端内面に弾力性を有する環状のガイドゴム202を固定する作業は、双方ともが弾力性を有するために大変面倒であり、作業に要する時間が長くなり、作業効率の低下を招いていた。
本発明は、上記状況に鑑みて、弾力性を有する環状ガイドの、エンドレス定着ベルトの開口端部への固着を簡便に、しかも効率的に行うことができる定着ベルトの案内装置の製造方法を提供することを目的とする。
However, the operation of fixing the annular guide rubber 202 having elasticity to the inner surfaces of both ends of the opening end portion of the belt base 201A of the endless fixing belt 201 having elasticity is very troublesome because both have elasticity. Therefore, the time required for the work becomes longer and the work efficiency is lowered.
The present invention is, in view of the above circumstances, the ring Joga id having elasticity, conveniently sticking to the open end of the endless fixing belt, moreover the manufacturing method of the guiding device of the fixing belt can be performed efficiently The purpose is to provide.

本発明は、上記目的を達成するために、
〔1〕定着ベルトの案内装置の製造方法において、弾力性を有する定着ベルトの開口端部の内外面を荒くする粗面加工を行い、内部円筒状突起部と、この内部円筒状突起部の基部の外側に水平に延びる底部と、この底部の回りに形成される外部円筒状突起部とを有し、これらの突起部と底部により溝が形成された弾力性を有する環状ガイドを、上下金型を用いてシートに所定間隔を空けて複数個予め形成しておき、前記複数の環状ガイド間及び各環状ガイドの前記内部円筒状突起部の内側に膜バリを残したままの状態で、前記内外面に接着剤を塗布した複数の前記定着ベルトの開口端部にそれぞれ前記環状ガイドを装着し、前記装着された環状ガイドの前記膜バリを除去することを特徴とする。
In order to achieve the above object, the present invention provides
[1] In the production method of the guiding device of the fixing belt, performs a roughened roughen the inner and outer surfaces of the open end portion of the fixing belt having elasticity, and the inner portion the cylindrical projections, the internal cylindrical projection portion of this a bottom portion extending horizontally to the outside of the base of, and an external cylindrical projection portion that will be formed around the bottom of this, the ring Joga with these protrusions and elasticity which the grooves are formed by a bottom A plurality of ids are formed in advance at predetermined intervals on the sheet using upper and lower molds, and film burrs are left between the plurality of annular guides and inside the inner cylindrical projection of each annular guide. in the state, characterized by removing the plurality of the respective open ends of the fixing belt by mounting the annular guide, said film burr before Symbol loaded ring Joga id an adhesive is applied to said outer surface And

〔2〕上記〔1〕記載の定着ベルトの案内装置の製造方法において、前記環状ガイドの外部円筒状突起部を除去し、前記内部円筒状突起部及び底部を残留させることを特徴とする。
〔3〕上記〔1〕記載の定着ベルトの案内装置の製造方法において、前記環状ガイドの内部円筒状突起部を除去し、前記外部円筒状突起部及び底部を残留させることを特徴とする。
[2] The manufacturing method of the guiding device of the fixing belt according to [1], wherein the removal of the external cylindrical projection of the ring Joga id, characterized in that to leave the inner cylindrical projection and bottom .
[3] The method of manufacturing a guide device of the fixing belt according to [1], wherein the removal of the internal cylindrical projection of the ring Joga id, characterized in that to leave the outer cylindrical projection and bottom .

〔4〕上記〔1〕記載の定着ベルトの案内装置の製造方法において、前記環状ガイドの底部の厚みを薄膜とすることを特徴とする。
〕上記〔1〕記載の定着ベルトの案内装置の製造方法において、前記シートがシリコン系のゴムからなることを特徴とする。
[4] The production method according to [1] the guiding device of the fixing belt according, characterized in that the thickness of the bottom portion of the ring Joga id a thin film.
[ 5 ] The method for manufacturing a fixing belt guide device according to [1], wherein the sheet is made of silicone rubber.

本発明によれば、以下のような効果を奏することができる。
(1)弾力性のある定着ベルトに弾力性のある案内装置を迅速、かつ的確に取り付けることができる。
(2)定着ベルトの開口端部の接着強化及び開口端部の保護を行うことができる。
According to the present invention, the following effects can be achieved.
(1) An elastic guide device can be quickly and accurately attached to an elastic fixing belt.
(2) The adhesion to the opening end of the fixing belt can be strengthened and the opening end can be protected.

本発明の定着ベルトの案内装置の製造方法は、弾力性を有する定着ベルトの開口端部の内外面を荒くする粗面加工を行い、内部円筒状突起部と、この内部円筒状突起部の基部の外側に水平に延びる底部と、この底部の回りに形成される外部円筒状突起部とを有し、これらの突起部と底部により溝が形成された弾力性を有する環状ガイドを、上下金型を用いてシートに所定間隔を空けて複数個予め形成しておき、前記複数の環状ガイド間及び各環状ガイドの前記内部円筒状突起部の内側に膜バリを残したままの状態で、前記内外面に接着剤を塗布した複数の前記定着ベルトの開口端部にそれぞれ前記環状ガイドを装着し、前記装着された環状ガイドの前記膜バリを除去する。 Method for producing a guide device of the fixing belt of the present invention performs roughened roughen the inner and outer surfaces of the open end portion of the fixing belt having elasticity, and the inner portion the cylindrical projections, the internal cylindrical projection portion of this a bottom portion extending horizontally to the outside of the base of, and an external cylindrical projection portion that will be formed around the bottom of this, the ring Joga with these protrusions and elasticity which the grooves are formed by a bottom A plurality of ids are formed in advance at predetermined intervals on the sheet using upper and lower molds, and film burrs are left between the plurality of annular guides and inside the inner cylindrical projection of each annular guide. in the state, the each of the annular guide the open end of the plurality of the fixing belt with adhesive applied is mounted in said outer surface, pre Symbol removing the film burrs of the mounted ring Joga id.

以下、本発明の実施の形態について詳細に説明する。
図1は本発明の実施例を示す定着ベルトの案内装置の斜視図、図2はその定着ベルトの案内装置の要部断面図、図3はその環状ガイドの斜視図である。
これらの図において、1は定着ベルト、2はその定着ベルト1の開口端部の内外面に装着される、溝が形成された環状ガイドであり、この環状ガイド2は、内部円筒状突起部2Aとこの内部円筒状突起部2Aの基部の外側に水平に延びる底部2Bとこの底部2Bの回りに形成される外部円筒状突起部2Cとを有し、これらの突起部2A,2Cと底部2Bにより形成される溝2Dを有する。この環状ガイド2はシリコン系のゴムからなっている。
Hereinafter, embodiments of the present invention will be described in detail.
Figure 1 is a perspective view of the guiding device of the fixing belt of an embodiment of the present invention, FIG. 2 is a fragmentary sectional view of the guiding device of the fixing belt, FIG. 3 is a perspective view of the ring Joga id.
In these figures, 1 denotes a fixing belt, 2 is mounted on the inner and outer surfaces of the open end portion of the fixing belt 1, a groove is ring Joga id formed is, the ring Joga id 2, inner cylinder A projection 2A, a bottom 2B extending horizontally outside the base of the internal cylindrical projection 2A, and an external cylindrical projection 2C formed around the bottom 2B. These projections 2A, 2C And a groove 2D formed by the bottom 2B. The ring Joga id 2 has a rubber of silicon system.

以下、本発明の実施例を示す定着ベルトの案内装置の製造方法について説明する。
図4は本発明の実施例を示す弾力性を有する環状ガイドが上下金型を用いてシリコン系のゴムシートに所定間隔を空けて複数個形成された環状ガイド成形体を示す図であり、図4(a)はその環状ガイド成形体の平面図、図4(b)はその環状ガイド成形体の斜視図である。
Hereinafter, a method for manufacturing a fixing belt guide apparatus according to an embodiment of the present invention will be described.
Figure 4 is plural pieces form made the ring Joga id molded body ring Joga id embodiments having shown to bullets force resistance at predetermined intervals in the rubber sheet silicon using upper and lower dies of the present invention it is a diagram showing a, 4 (a) is a plan view of the ring Joga id molded body, FIG. 4 (b) is a perspective view of the ring Joga id moldings.

これらの図において、10は環状ガイド成形体、11はその環状ガイド成形体10を形成するシリコン系のゴムシート、12は環状ガイド、12Aは内部円筒状突起部、12Bはこの内部円筒状突起部12Aの基部の外側に水平に延びる底部、12Cはこの底部12Bの回りに形成される外部円筒状突起部、12Dは溝、13Aは内部円筒状突起部12Aの内側に残る膜バリ、13Bは環状ガイド12間に残る膜バリである。 In these figures, 10 is ring Joga id molded body 11 is silicon rubber sheet forming the ring Joga id molding 10, 12 are ring Joga id, 12A internal cylindrical projection portion, 12B is bottom portion extending horizontally outwardly of the base of the internal cylindrical projection portions 12A, 12C are external cylindrical projection portion formed around the bottom 12B, 12D is a groove, 13A remains inside the internal cylindrical projection portions 12A film burrs, 13B is a film burrs left between the ring Joga id 12.

図5は本発明の実施例を示す上下金型を用いた環状ガイド成形体の製造の様子を示す断面図であり、図5(a)は上下金型によって成形される環状ガイド成形体の断面図、図5(b)はその成形された環状ガイド成形体の断面図、図5(c)はその環状ガイド成形体を逆さまにして定着ベルトに装着するようにした状態を示す図である。
上金型21と下金型22との間のキャビティにシリコン系のシートからなる環状ガイド成形体23が成形される。この環状ガイド成形体23は、環状ガイド24からなり、その環状ガイド24は、内部円筒状突起部24A、この内部円筒状突起部24Aの基部の外側に水平に延びる底部24B、この底部24Bの回りに形成される外部円筒状突起部24Cとからなり、溝24Dが形成されている。また、内部円筒状突起部24Aの内側には膜バリ25A、状ガイド24間には膜バリ25Bが形成されている。
Figure 5 is a cross-sectional view showing a state of manufacturing the upper and lower dies were used ring Joga id molded body showing an embodiment of the present invention, ring Joga id 5 (a) is to be molded by the upper and lower molds sectional view of the molded body, FIG. 5 (b) so that its cross-sectional view of the molded ring Joga id moldings, FIG. 5 (c) mounting the fixing belt upside down the ring Joga id moldings It is a figure which shows the state which carried out.
Ring Joga id molded body 23 made of a sheet of silicon into the cavity between the upper mold 21 and the lower mold 22 is molded. The ring Joga id molded body 23 is made of a ring Joga id 24, the ring Joga id 24, the internal cylindrical projection portions 24A, bottom 24B extending horizontally to the outside of the base of the internal cylindrical projection portions 24A The outer cylindrical projection 24C is formed around the bottom 24B, and a groove 24D is formed. The internal cylindrical projection portions film burrs 25 A on the inside of 24A, is between the ring Joga id 24 film burr 25B is formed.

したがって、所定間隔を空けてシリコン系のシートに複数の環状ガイド24を設けることができ、定着ベルトへの取り付け時には自動化を図ることも可能である。
そこで、上記した定着ベルトの開口端部の内外面を荒くする粗面加工を行い、その荒らされた定着ベルトの開口端部の内外面に接着剤を塗布して、その接着剤が塗布された定着ベルトの開口端部の内外面に、図4に示された環状ガイド成形体を装着する。すると、図1及び図2に示されるように、定着ベルトの開口端部の内外面に環状ガイドを簡単に固定することができる。
Therefore, it is possible to provide a plurality of rings Joga Id 24 to sheet of silicon at a predetermined interval, when mounting the fixing belt is also possible to be automated.
Therefore, roughening was performed to roughen the inner and outer surfaces of the opening end portion of the fixing belt, and an adhesive was applied to the inner and outer surfaces of the opening end portion of the roughened fixing belt, and the adhesive was applied. the inner and outer surfaces of the open end portion of the fixing belt, to attach the ring Joga id moldings shown in FIG. Then, it is possible, as shown in FIGS. 1 and 2, briefly fixed ring Joga id on the inner and outer surfaces of the open end portion of the fixing belt.

このようにして定着ベルトの開口端部の内外面に環状ガイドが固定されることにより、定着ベルトの開口端部の接着強化及び開口端部の保護を行うことができる。
図6は本発明の他の実施例を示す環状ガイドの斜視図である。
この図に示すように、定着ベルト31に固定される環状ガイド32の外部円筒状突起部33に凹凸のマーク34を設けるようにしたものであり、この凹凸のマーク34を用いてロータリーエンコーダを付設するようにしたり、回転数の検出に用いるようにすることができる。
By this way the ring Joga id on the inner and outer surfaces of the open end portion of the fixing belt is fixed, it is possible to perform the adhesion enhancing and protection of the open end portion of the open end of the fixing belt.
6 is a perspective view of a ring Joga id showing another embodiment of the present invention.
As shown in this figure, which in the external cylindrical projection portion 33 of the ring Joga id 32 fixed to the fixing belt 31 was provided with irregularities of the mark 34, the rotary encoder with the mark 34 of the irregularities Can be added or used for detecting the number of rotations.

また、環状ガイドの形状は、印刷機や複写機の仕様に応じて種々の変形を行うことができる。
図7は本発明の各種の環状ガイドの形状を示す断面図であり、図7(a)は底部が厚い形状の環状ガイドを、図7(b)は底部が薄い形状の環状ガイドを、図7(c)は外部円筒状突起部が除去されて内部円筒状突起部及び底部が形成された環状ガイドを、図7(d)は内部円筒状突起部が除去されて外部円筒状突起部及び底部が形成された環状ガイドをそれぞれ示す図である。これらの環状ガイドは、それぞれ底部を有することにより、環状ガイドによる定着ベルトの端面の強化と保護を図ることができる。なお、環状ガイド自体の機械的強度が高い場合には、底部を除去する場合もあり得る。
The shape of the ring Joga Id, can make various modifications according to the specifications of the printing machine or copier.
Figure 7 is a sectional view showing the various ring Joga id of the shape of the present invention, FIG. 7 (a) of the thicker shaped bottom ring Joga id, 7 (b) is a thin-shaped bottom ring the Joga id, FIG. 7 (c) ring Joga id internal cylindrical projection and bottom are removed external cylindrical projection portion is formed, FIG. 7 (d) is an internal cylindrical projection portions removed It shows to the external cylindrical projection and bottom is formed a ring Joga id respectively. These rings Joga id, by each having a bottom, it is possible to strengthen the protection of the end surface of the fixing belt by the ring Joga Id. Incidentally, when the mechanical strength of the rings Joga id itself is high, there may be a case of removing the bottom.

図7(a)に示すように、定着ベルト41に固定される環状ガイド42は、厚めの内部円筒状突起部42A、この内部円筒状突起部42Aの基部の外側に水平に延びる厚めの底部42B、この底部42Bの回りに形成される厚めの外部円筒状突起部42Cとからなり、溝42Dが形成されており、その溝42D定着ベルト41の開口端部装着され、その定着ベルト41の開口端部の接着強化及び開口端部の保護を行うことができるように構成されている。 As shown in FIG. 7 (a), ring Joga id 42 that is fixed to the fixing belt 41 has a thick inner cylindrical projection portions 42A, extending horizontally outside the base of the internal cylindrical projection portion 42A thick and the bottom 42B of, consists of a thick outer cylindrical protrusion 42C formed around the bottom portion 42B, is formed with a groove 42D, the opening end portion of the fixing belt 41 is mounted in the groove 42D, the The fixing belt 41 is configured to be able to strengthen adhesion to the opening end portion and protect the opening end portion.

図7(b)に示すように、定着ベルト51に固定される環状ガイド52は、厚めの内部円筒状突起部52A、この内部円筒状突起部52Aの基部の外側に水平に延びる薄めの底部52B、この底部52Bの回りに形成される厚めの外部円筒状突起部52Cとからなり、溝52Dが形成されており、その溝52D定着ベルト51の開口端部装着され、その定着ベルト51の開口端部から状ガイド52のはみ出しが少なくなるようにしている。 As shown in FIG. 7 (b), the ring Joga id 52 that is fixed to the fixing belt 51 has a thick inner cylindrical projection portions 52A, diluted extends horizontally to the outside of the base of the internal cylindrical projection portions 52A and the bottom 52B of, consists of a thick outer cylindrical protrusion 52C formed around the bottom portion 52B, is formed with a groove 52D, the opening end portion of the fixing belt 51 is mounted in the groove 52D, the protruding ring Joga id 52 from the open end of the fixing belt 51 is set to be small.

図7(c)に示すように、定着ベルト61に固定される環状ガイド62は、外部円筒状突起部は除去するようにして、厚めの内部円筒状突起部62A及び底部62Bを残すようにしている。このように構成すると、定着ベルト61の外部を自由な空間とすることができるため、種々の装置を配置することができる。
また、図7(d)に示すように、定着ベルト71に固定される環状ガイド72は、内部円筒状突起部は除去するようにして、厚めの外部円筒状突起部72A及び底部72Bを残すようにしている。このように構成すると、定着ベルト71の内部を自由な空間とすることができるため、種々の装置を配置することができる。ただし、その場合には、固定部に、外部円筒状突起部72Aに係合する規制部材や駆動部材(図示なし)を配置するようにすることができる。
As shown in FIG. 7 (c), ring Joga id 62 that is fixed to the fixing belt 61, the external cylindrical protrusions so as to remove, to leave the thick inner cylindrical protrusions 62A and bottom 62B I have to. With this configuration, since the outside of the fixing belt 61 can be set as a free space, various devices can be arranged.
Further, as shown in FIG. 7 (d), ring Joga id 72 that is fixed to the fixing belt 71, the internal cylindrical projection portion so as to remove the thick outer cylindrical projections 72A and bottom 72B I try to leave it. With this configuration, the interior of the fixing belt 71 can be made free, and various devices can be arranged. However, in that case, a restricting member or a driving member (not shown) that engages with the external cylindrical protrusion 72A can be arranged in the fixed portion.

なお、本発明は上記実施例に限定されるものではなく、本発明の趣旨に基づき種々の変形が可能であり、これらを本発明の範囲から排除するものではない。   In addition, this invention is not limited to the said Example, Based on the meaning of this invention, a various deformation | transformation is possible and these are not excluded from the scope of the present invention.

本発明の定着ベルトの案内装置の製造方法は、印刷機や複写機における用紙に熱と圧力を加えてトナーを定着させるため定着ベルトの案内装置の製造方法として利用可能である。   The method for manufacturing a fixing belt guide device according to the present invention can be used as a method for manufacturing a fixing belt guide device for fixing toner by applying heat and pressure to paper in a printing machine or a copying machine.

本発明の実施例を示す定着ベルトの案内装置の斜視図である。1 is a perspective view of a fixing belt guide device showing an embodiment of the present invention. FIG. 本発明の実施例を示す定着ベルトの案内装置の要部断面図である。1 is a cross-sectional view of a main part of a fixing belt guide device according to an embodiment of the present invention. 本発明の実施例を示す定着ベルトの環状ガイドの斜視図である。It is a perspective view of a ring Joga id of the fixing belt of an embodiment of the present invention. 本発明の実施例を示す弾力性を有する環状ガイドが上下金型を用いてシリコン系のゴムシートに所定間隔を空けて複数個形成された環状ガイド成形体を示す図である。It shows multiple pieces form made the ring Joga id molded body ring Joga id embodiments having shown to bullets force resistance at predetermined intervals in the rubber sheet silicon using upper and lower dies of the present invention It is. 本発明の実施例を示す上下金型を用いた環状ガイド成形体の製造の様子を示す断面図である。The manner of manufacture of the ring Joga id molded body using the upper and lower molds of an embodiment of the present invention is a cross-sectional view illustrating. 本発明の他の実施例を示す環状ガイドの斜視図である。It is a perspective view of a ring Joga id showing another embodiment of the present invention. 本発明の各種の環状ガイドの形状を示す断面図である。It is a cross-sectional view showing the various ring Joga id in the form of the invention. 従来の印刷機や複写機における用紙に熱と圧力を加えてトナーを定着させる定着装置の模式図である。It is a schematic diagram of a fixing device for fixing toner by applying heat and pressure to paper in a conventional printing machine or copying machine. 従来のエンドレス定着ベルトの構成を示す断面図である。It is sectional drawing which shows the structure of the conventional endless fixing belt. 従来のガイド付きエンドレス定着ベルトの構造を示す斜視図である。It is a perspective view which shows the structure of the conventional endless fixing belt with a guide.

1,31,41,51,61,71 定着ベルト
2,12,24,32,42,52,62,72 環状ガイド
2A,12A,24A 内部円筒状突起部
2B,12B,24B 内部円筒状突起部の基部の外側に水平に延びる底部
2C,12C,24C,33 底部の回りに形成される外部円筒状突起部
2D,12D,24D,42D,52D 溝
10,23 環状ガイド成形体
11 環状ガイド成形体を形成するシリコン系のゴムシート
13A,25A 内部円筒状突起部の内側の膜バリ
13B,25B 環状ガイド間の膜バリ
21 上金型
22 下金型
34 凹凸のマーク
42A,52A,62A 厚めの内部円筒状突起部
42B 厚めの底部
42C,52C,72A 厚めの外部円筒状突起部
52B 薄めの底部
62B,72B 底部
1,31,41,51,61,71 fixing belt 2,12,24,32,42,52,62,72 ring Joga id 2A, 12A, 24A internal cylindrical projection portion 2B, 12B, 24B inside the cylindrical bottom 2C extending horizontally to the outside of the base of the protrusion, 12C, 24C, 33 bottom around the formed outer cylindrical projection portion 2D of, 12D, 24D, 42D, 52D grooves 10, 23 ring Joga id molded body 11 rubber sheets 13A, 25A inside the cylindrical projection of the inner membrane burr 13B, marks film burrs 21 upper die 22 lower die 34 irregularities between 25B rings Joga id of silicon to form a ring Joga id moldings 42A, 52A, 62A Thick inner cylindrical projection 42B Thick bottom 42C, 52C, 72A Thick outer cylindrical projection 52B Thin bottom 62B, 72B Bottom

Claims (5)

(a)弾力性を有する定着ベルトの開口端部の内外面を荒くする粗面加工を行い、
(b)内部円筒状突起部と該内部円筒状突起部の基部の外側に水平に延びる底部と該底部の回りに形成される外部円筒状突起部とを有し、これらの突起部と底部により溝が形成された弾力性を有する環状ガイドを、上下金型を用いてシートに所定間隔を空けて複数個予め形成しておき、
(c)前記複数の環状ガイド間及び各環状ガイドの前記内部円筒状突起部の内側に膜バリを残したままの状態で、前記内外面に接着剤を塗布した複数の前記定着ベルトの開口端部にそれぞれ前記環状ガイドを装着し、
(d)前記装着された環状ガイドの前記膜バリを除去することを特徴とする定着ベルトの案内装置の製造方法。
(A) Roughening to roughen the inner and outer surfaces of the opening end of the fixing belt having elasticity,
A (b) and in part cylindrical projection portion, a bottom portion extending horizontally outwardly of the base of the internal cylindrical projection portion, and an external cylindrical projection portion that will be formed around the bottom portion, the projections the ring Joga id having elasticity which the grooves are formed by parts and bottom, leave plurality preformed at predetermined intervals in the sheet using a upper and lower molds,
(C) Open ends of the plurality of fixing belts in which an adhesive is applied to the inner and outer surfaces in a state where film burrs are left between the plurality of annular guides and inside the inner cylindrical protrusion of each annular guide. Attach the annular guide to each part ,
(D) the production method of the guiding device of the fixing belt and removing the film burr of the loaded ring Joga id.
請求項1記載の定着ベルトの案内装置の製造方法において、前記環状ガイドの外部円筒状突起部を除去し、前記内部円筒状突起部及び底部を残留させることを特徴とする定着ベルトの案内装置の製造方法。 In the manufacturing method of the guiding device of the fixing belt according to claim 1, wherein the guide of the fixing belt, wherein the ring Joga removed external cylindrical projections of the id, characterized in that to leave the inner cylindrical projection and bottom Device manufacturing method. 請求項1記載の定着ベルトの案内装置の製造方法において、前記環状ガイドの内部円筒状突起部を除去し、前記外部円筒状突起部及び底部を残留させることを特徴とする定着ベルトの案内装置の製造方法。 In the manufacturing method of the guiding device of the fixing belt according to claim 1, wherein the guide of the fixing belt, wherein the ring Joga remove the internal cylindrical projection of the id, characterized in that to leave the outer cylindrical projection and bottom Device manufacturing method. 請求項1記載の定着ベルトの案内装置の製造方法において、前記環状ガイドの底部の厚みを薄膜とすることを特徴とする定着ベルトの案内装置の製造方法。 In the manufacturing method of the guiding device of the fixing belt according to claim 1, the manufacturing method of the guiding device of the fixing belt, characterized in that the thickness of the bottom portion of the ring Joga id a thin film. 請求項1記載の定着ベルトの案内装置の製造方法において、前記シートがシリコン系のゴムからなることを特徴とする定着ベルトの案内装置の製造方法。   2. The method for manufacturing a fixing belt guide device according to claim 1, wherein the sheet is made of silicon rubber.
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