JP2002148985A5 - - Google Patents

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JP2002148985A5
JP2002148985A5 JP2000344522A JP2000344522A JP2002148985A5 JP 2002148985 A5 JP2002148985 A5 JP 2002148985A5 JP 2000344522 A JP2000344522 A JP 2000344522A JP 2000344522 A JP2000344522 A JP 2000344522A JP 2002148985 A5 JP2002148985 A5 JP 2002148985A5
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belt
pressure
pressure belt
support frame
recording sheet
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JP2000344522A
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JP2002148985A (en
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Priority to JP2000344522A priority Critical patent/JP2002148985A/en
Priority claimed from JP2000344522A external-priority patent/JP2002148985A/en
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Publication of JP2002148985A5 publication Critical patent/JP2002148985A5/ja
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Description

(第1発明)
前記課題を解決するために、第1発明の定着装置は、次の構成要件(A01)〜(A03)を備えたことを特徴とする。
(A01)互いに圧接する領域により定着領域(Q5)を形成し、前記定着領域(Q5)に進入した記録シート(S)を挟持して記録シート搬送方向に回転する加熱ロール(Fh)およびエンドレスの加圧ベルト(Fp)、
(A02)前記エンドレスの加圧ベルト(Fp)の内部に配置され且つ加圧ベルト(Fp)の幅方向に延びるベルト支持フレーム(7)と、前記ベルト支持フレーム(7)の両端部にそれぞれ装着され且つ加圧ベルト(Fp)端部のベルト幅方向の位置を規制するベルト外端位置規制面(5d,6d)および加圧ベルト(Fp)端部内周面をガイドするベルト端部ガイド面(5e,6e)を有する端部装着部材(5,6)とを有するベルト支持部材(5〜22)、
(A03)前記ベルト端部ガイド面(5e,6e)に前記加圧ベルト(Fp)の回転方向に沿う複数の溝(5e1,6e1)が形成された前記端部装着部材(5,6)。
(First invention)
In order to solve the problems, the fixing device according to the first aspect of the invention is characterized by including the following constituent requirements (A01) to (A03).
(A01) A fixing area (Q5) is formed by the areas which are in pressure contact with each other, and the recording sheet (S) which has entered the fixing area (Q5) is nipped and heated in the recording sheet conveyance direction. Pressure belt (Fp),
(A02) A belt support frame (7) disposed inside the endless pressure belt (Fp) and extending in the width direction of the pressure belt (Fp), and attached to both ends of the belt support frame (7) A belt outer end position restricting surface (5d, 6d) for restricting the position of the pressure belt (Fp) end in the belt width direction and a belt end guide surface for guiding the inner peripheral surface of the pressure belt (Fp) end A belt supporting member (5 to 22) having an end mounting member (5, 6) having 5e, 6e),
(A03) The end attachment member (5, 6) in which a plurality of grooves (5e1, 6e1) along the rotation direction of the pressure belt (Fp) are formed in the belt end guide surface (5e, 6e).

(第1発明の作用)
前記構成を備えた第1発明の定着装置では、ベルト支持フレーム(7)、定着パッド(21)、パッド押圧部材(18)、ベルトガイド(12,13)、および前記ベルト支持フレームの端部に装着される端部装着部材(5,6)を有するベルト支持部材(5〜22)は、加圧ベルト(Fp)を回転可能に支持する。
前記エンドレスの加圧ベルト(Fp)の内部に配置され且つ加圧ベルト(Fp)の幅方向に延びるベルト支持フレーム(7)の両端部にそれぞれ装着された端部装着部材(5,6)は、ベルト外端位置規制面(5d,6d)およびベルト端部ガイド面(5e,6e)を有し、ベルト外端位置規制面(5d,6d)は、加圧ベルト(Fp)端部のベルト幅方向の位置を規制し、ベルト端部ガイド面(5e,6e)は加圧ベルト(Fp)端部内周面をガイドする。
前記ベルト支持部材(5〜22)により回転可能に支持された加圧ベルト(Fp)が加熱ロール(Fh)に圧接する状態で、前記加圧ベルト(Fp)および加熱ロール(Fh)は、互いに圧接する領域により定着領域(Q5)を形成して記録シート搬送方向に回転し、前記定着領域(Q5)に進入した記録シート(S)を挟持して搬送しながら、記録シート(S)上のトナーを定着する。
前記端部装着部材(5,6)は、前記ベルト端部ガイド面(5e,6e)に前記加圧ベルト(Fp)の回転方向に沿う複数の溝(5e1,6e1)が形成されており、前記溝(5e1,6e1)はベルト端部の内周面に付着した潤滑剤(オイル等)が外端側に移動するのを防止し、ベルト外端から外方に漏出するのを防止する。
(Operation of the first invention)
In the fixing device according to the first aspect of the present invention, the belt supporting frame (7), the fixing pad (21), the pad pressing member (18), the belt guides (12, 13), and the end portion of the belt supporting frame Belt support members (5 to 22) having end mounting members (5, 6) mounted thereon rotatably support a pressure belt (Fp).
End mounting members (5, 6) disposed inside the endless pressure belt (Fp) and mounted at both ends of the belt support frame (7) extending in the width direction of the pressure belt (Fp) A belt outer end position regulating surface (5d, 6d) and a belt end guide surface (5e, 6e), and the belt outer end position regulating surface (5d, 6d) is a belt of a pressure belt (Fp) end The position in the width direction is regulated, and the belt end guide surfaces (5e, 6e) guide the inner peripheral surface of the end of the pressure belt (Fp).
The pressure belt (Fp) and the heating roll (Fh) are mutually engaged in a state where the pressure belt (Fp) rotatably supported by the belt supporting members (5 to 22) is in pressure contact with the heating roll (Fh). A fixing area (Q5) is formed by the pressure contact area, and the sheet is rotated in the recording sheet conveyance direction, and the recording sheet (S) entering the fixing area (Q5) is nipped and conveyed, on the recording sheet (S). Fix the toner.
The end mounting members (5, 6) have a plurality of grooves (5e1, 6e1) along the rotational direction of the pressure belt (Fp) formed in the belt end guide surfaces (5e, 6e). The grooves (5e1, 6e1) prevent the lubricant (such as oil) adhering to the inner peripheral surface of the belt end from moving to the outer end side, and prevent the leakage from the outer end of the belt to the outside.

(第2発明)
また、第2発明の定着装置は、前記第1発明の次の構成要件(A01)と次の構成要件(A02′),(A04)とを備えたことを特徴とする。
(A02′)前記エンドレスの加圧ベルト(Fp)の内部に配置され且つ加圧ベルト(Fp)の幅方向に延びるベルト支持フレーム(7)と、前記ベルト支持フレーム(7)に装着され且つ加圧ベルト(Fp)の内周面をガイドするベルトガイド(12,13)とを有するベルト支持部材(5〜22)、
(A04)前記加圧ベルト(Fp)の内周面をガイドする表面に前記加圧ベルト(Fp)の回転方向に沿う複数の溝(12a,13b)が形成された前記ベルトガイド(12,13)。
(Invention 2)
The fixing device according to the second aspect of the invention is characterized by comprising the following constituent requirements (A01) and the following constituent requirements (A02 ') and (A04) of the first aspect of the invention.
(A02 ') A belt support frame (7) disposed inside the endless pressure belt (Fp) and extending in the width direction of the pressure belt (Fp), and mounted on the belt support frame (7) A belt support member (5 to 22) having a belt guide (12, 13) for guiding the inner peripheral surface of the pressure belt (Fp);
(A04) The belt guide (12, 13) in which a plurality of grooves (12a, 13b) along the rotation direction of the pressure belt (Fp) are formed on the surface for guiding the inner peripheral surface of the pressure belt (Fp). ).

(第2発明の作用)
前記構成を備えた第2発明の定着装置では、前記エンドレスの加圧ベルト(Fp)の内部に配置されたベルト支持部材(5〜22)のベルト支持フレーム(7)は、加圧ベルト(Fp)の幅方向に延びる。前記ベルト支持フレーム(7)に装着されたベルトガイド(12,13)は、加圧ベルト(Fp)の内周面をガイドする。
前記加圧ベルト(Fp)の内周面をガイドする前記ベルトガイド(12,13)の表面には、前記加圧ベルト(Fp)の回転方向に沿う複数の溝(12a,13b)が形成されており、前記複数の溝(12a,13b)は、ベルト端部の内周面に付着した潤滑剤(オイル等)が外端側に移動するのを防止し、ベルト外端から外方に漏出するのを防止する。
(Operation of the second invention)
In the fixing device according to the second aspect of the invention, the belt supporting frame (7) of the belt supporting member (5 to 22) disposed inside the endless pressure belt (Fp) is a pressure belt (Fp). Extends in the width direction of Belt guides (12, 13) mounted on the belt support frame (7) guide the inner peripheral surface of the pressure belt (Fp).
A plurality of grooves (12a, 13b) along the rotation direction of the pressure belt (Fp) are formed on the surface of the belt guide (12, 13) for guiding the inner peripheral surface of the pressure belt (Fp) The plurality of grooves (12a, 13b) prevent the lubricant (such as oil) adhering to the inner peripheral surface of the belt end from moving to the outer end side, and leak out from the outer end of the belt To prevent

Claims (5)

次の構成要件(A01)〜(A03)を備えた定着装置、
(A01)互いに圧接する領域により定着領域を形成し、前記定着領域に進入した記録シートを挟持して記録シート搬送方向に回転する加熱ロールおよびエンドレスの加圧ベルト、
(A02)前記エンドレスの加圧ベルトの内部に配置され且つ加圧ベルトの幅方向に延びるベルト支持フレームと、前記ベルト支持フレームの両端部にそれぞれ装着され且つ加圧ベルト端部のベルト幅方向の位置を規制するベルト外端位置規制面および加圧ベルト端部内周面をガイドするベルト端部ガイド面を有する端部装着部材とを有するベルト支持部材、
(A03)前記ベルト端部ガイド面に前記加圧ベルトの回転方向に沿う複数の溝が形成された前記端部装着部材。
A fixing device provided with the following configuration requirements (A01) to (A03),
(A01) A fixing area is formed by the areas which are in pressure contact with each other, and a heating roll and an endless pressure belt which hold the recording sheet entering the fixing area and rotate in the recording sheet conveyance direction;
(A02) A belt support frame disposed inside the endless pressure belt and extending in the width direction of the pressure belt, and attached to both ends of the belt support frame and in the belt width direction of the pressure belt end portion A belt supporting member having a belt outer end position regulating surface for regulating the position and an end mounting member having a belt end guiding surface for guiding the inner peripheral surface of the pressure belt end;
(A03) The end portion mounting member in which a plurality of grooves along the rotation direction of the pressure belt are formed in the belt end portion guide surface.
次の構成要件(A01)(A02′),(A04)を備えた定着装置、
(A01)互いに圧接する領域により定着領域を形成し、前記定着領域に進入した記録シートを挟持して記録シート搬送方向に回転する加熱ロールおよびエンドレスの加圧ベルト、
(A02′)前記エンドレスの加圧ベルトの内部に配置され且つ加圧ベルトの幅方向に延びるベルト支持フレームと、前記ベルト支持フレームに装着され且つ加圧ベルトの内周面をガイドするベルトガイドとを有するベルト支持部材、
(A04)前記加圧ベルトの内周面をガイドする表面に前記加圧ベルトの回転方向に沿う複数の溝が形成された前記ベルトガイド。
A fixing device provided with the following constituent requirements (A01) (A02 ') and (A04),
(A01) A fixing area is formed by the areas which are in pressure contact with each other, and a heating roll and an endless pressure belt which hold the recording sheet entering the fixing area and rotate in the recording sheet conveyance direction;
(A02 ') A belt support frame disposed inside the endless pressure belt and extending in the width direction of the pressure belt, and a belt guide mounted on the belt support frame and guiding the inner circumferential surface of the pressure belt A belt support member,
(A04) The belt guide, in which a plurality of grooves along the rotation direction of the pressure belt are formed on the surface for guiding the inner peripheral surface of the pressure belt.
次の構成要件(A05)を備えた請求項1または2記載の定着装置、
(A05)摩擦接触時に摩耗するように構成された前記加圧ベルトの幅方向端面または前記ベルト外端位置規制面。
The fixing device according to claim 1 or 2, comprising the following configuration requirements (A05):
(A05) A width direction end face of the pressure belt or the outer end position regulating face of the belt configured to be worn at the time of frictional contact.
次の構成要件(A01),(A06),(A07)を備えた定着装置、
(A01)互いに圧接する領域により定着領域を形成し、前記定着領域に進入した記録シートを挟持して記録シート搬送方向に回転する加熱ロールおよびエンドレスの加圧ベルト、
(A06)内面に潤滑剤が塗布される前記エンドレスの加圧ベルトの内部に配置され且つ加圧ベルトの幅方向に延びるベルト支持フレームと、このベルト支持フレームにより前記加圧ベルトの裏面を加熱ロールに向けて押圧する定着パッドとを有し、前記加圧ベルトを回転可能に支持するベルト支持部材、
(A07)前記定着パッド表面に前記潤滑剤の浸透を防止する潤滑剤浸透防止処理が施された前記定着パッド。
A fixing device provided with the following configuration requirements (A01), (A06), (A07),
(A01) A fixing area is formed by the areas which are in pressure contact with each other, and a heating roll and an endless pressure belt which hold the recording sheet entering the fixing area and rotate in the recording sheet conveyance direction;
(A06) A belt support frame disposed inside the endless pressure belt having a lubricant applied to the inner surface and extending in the width direction of the pressure belt, and a heating roller for heating the back surface of the pressure belt by this belt support frame A belt support member rotatably supporting the pressure belt;
(A07) The fixing pad having a lubricant penetration preventing treatment for preventing the lubricant from infiltrating on the surface of the fixing pad.
次の構成要件(A01),(A06),(A08)を備えた定着装置、
(A01)互いに圧接する領域により定着領域を形成し、前記定着領域に進入した記録シートを挟持して記録シート搬送方向に回転する加熱ロールおよびエンドレスの加圧ベルト、
(A06)内面に潤滑剤が塗布される前記エンドレスの加圧ベルトの内部に配置され且つ加圧ベルトの幅方向に延びるベルト支持フレームと、このベルト支持フレームにより前記加圧ベルトの裏面を加熱ロールに向けて押圧する定着パッドとを有し、前記加圧ベルトを回転可能に支持するベルト支持部材、
(A08)前記潤滑剤を含浸した前記定着パッド。
A fixing device provided with the following configuration requirements (A01), (A06), (A08),
(A01) A fixing area is formed by the areas which are in pressure contact with each other, and a heating roll and an endless pressure belt which hold the recording sheet entering the fixing area and rotate in the recording sheet conveyance direction;
(A06) A belt support frame disposed inside the endless pressure belt having a lubricant applied to the inner surface and extending in the width direction of the pressure belt, and a heating roller for heating the back surface of the pressure belt by this belt support frame A belt support member rotatably supporting the pressure belt;
(A08) The fixing pad impregnated with the lubricant.
JP2000344522A 2000-11-10 2000-11-10 Fixing device Pending JP2002148985A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000344522A JP2002148985A (en) 2000-11-10 2000-11-10 Fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000344522A JP2002148985A (en) 2000-11-10 2000-11-10 Fixing device

Publications (2)

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JP2002148985A JP2002148985A (en) 2002-05-22
JP2002148985A5 true JP2002148985A5 (en) 2005-06-09

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Families Citing this family (17)

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Publication number Priority date Publication date Assignee Title
JP2004109668A (en) * 2002-09-19 2004-04-08 Fuji Xerox Co Ltd Film tubular body for fixing, and fixing device using it
JP4576883B2 (en) * 2004-05-18 2010-11-10 富士ゼロックス株式会社 Fixing device and image forming apparatus for electrophotographic system
JP4539252B2 (en) * 2004-09-15 2010-09-08 富士ゼロックス株式会社 Fixing device and image forming apparatus
JP4687161B2 (en) * 2005-03-14 2011-05-25 富士ゼロックス株式会社 Fixing device
JP4827438B2 (en) 2005-05-16 2011-11-30 キヤノン株式会社 Image heating device
JP4759350B2 (en) * 2005-09-13 2011-08-31 キヤノン株式会社 Image heating device
JP4924227B2 (en) * 2007-06-18 2012-04-25 コニカミノルタビジネステクノロジーズ株式会社 Fixing apparatus and image forming apparatus
JP2009047959A (en) 2007-08-21 2009-03-05 Konica Minolta Business Technologies Inc Fixing device and image forming device
JP5034831B2 (en) * 2007-09-28 2012-09-26 コニカミノルタビジネステクノロジーズ株式会社 Fixing apparatus and image forming apparatus
JP4793464B2 (en) 2009-03-19 2011-10-12 富士ゼロックス株式会社 Fixing device and image forming apparatus using the same
JP4973682B2 (en) * 2009-03-25 2012-07-11 富士ゼロックス株式会社 Fixing device and image forming apparatus using the same
JP5369958B2 (en) * 2009-07-17 2013-12-18 富士ゼロックス株式会社 Fixing apparatus and image forming apparatus
JP5440922B2 (en) * 2009-09-28 2014-03-12 株式会社リコー Fixing apparatus and image forming apparatus
JP5625865B2 (en) * 2010-12-16 2014-11-19 株式会社リコー Fixing apparatus and image forming apparatus
JP2019174666A (en) * 2018-03-28 2019-10-10 ブラザー工業株式会社 Fixation device
JP7167645B2 (en) 2018-11-09 2022-11-09 京セラドキュメントソリューションズ株式会社 Fixing device and image forming device
US10942478B2 (en) 2019-03-28 2021-03-09 Brother Kogyo Kabushiki Kaisha Device including rotator and belt, such as a fixing device for an image forming apparatus

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