JP3980173B2 - Gasket automatic insertion device - Google Patents

Gasket automatic insertion device Download PDF

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Publication number
JP3980173B2
JP3980173B2 JP14147798A JP14147798A JP3980173B2 JP 3980173 B2 JP3980173 B2 JP 3980173B2 JP 14147798 A JP14147798 A JP 14147798A JP 14147798 A JP14147798 A JP 14147798A JP 3980173 B2 JP3980173 B2 JP 3980173B2
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JP
Japan
Prior art keywords
pressure roller
gasket
groove
pulley
diameter
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Expired - Fee Related
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JP14147798A
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Japanese (ja)
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JPH11333645A (en
Inventor
裕司 川原
政雄 孝橋
淳一 横山
庄一郎 森川
和弘 加藤
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/047—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts for flexible profiles, e.g. sealing or decorating strips in grooves or on other profiles by devices moving along the flexible profile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/0092—Tools moving along strips, e.g. decorating or sealing strips, to insert them in, or remove them from, grooves or profiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automatic Assembly (AREA)
  • Refrigerator Housings (AREA)

Description

【０００１】
【発明の属する技術分野】
この発明は、例えば冷蔵庫等機器の密封面の外周囲部に形成された溝にガスケットを圧挿するガスケット自動挿入装置に関するものである。
【０００２】
【従来の技術】
図１０は例えば特開昭６０−２１３４１１号公報に示された従来のガスケット自動挿入装置の構成を示す斜視図、図１１は図１０における線ＸＩ−ＸＩに沿った断面図、図１２は図１０における線ＸＩＩ−ＸＩＩに沿った断面図である。
図において、１は例えば冷蔵庫等の機器の密封面を有する扉、２は扉１の密封面の外周囲部に設けられた溝、３は溝２に挿入される挿入部３ａを有し溝２に挿入部３ａを沿わせて位置決めされたガスケット、４はガスケット３上に整列される複数の棒状に形成された押圧ブロック、５はこれら各押圧ブロック４の上部を上下移動可能に保持する保持枠、６は各押圧ブロック４の中間部から水平方向に突出する腕部、７は腕部６と保持枠５との間に配設され押圧ブロック４を下向きに付勢する圧縮コイルばね、８は保持枠５の長手方向に沿って矢印Ａ方向に水平に移動する移動腕、９は移動腕８の下端部に回転可能に保持され押圧ブロック４の上面を押圧する加圧ローラである。
【０００３】
次に動作について説明する。移動腕８の移動によって加圧ローラ９が各押圧ブロック４の他端である上面に沿って転動して各押圧ブロック４をそれぞれ寸法ｄだけ下方に押し下げて、図１１から図１２の状態にする。これによってガスケット３の挿入部３ａが扉１の溝２に圧挿される。
【０００４】
【発明が解決しようとする課題】
従来のガスケット自動挿入装置は、以上のように構成され、ガスケット３が長手方向に撓むのを防止することにより、挿入部３ａが溝２に位置ずれを生ずることなく圧挿できるようにしているので、押圧ブロック４、保持枠５などが必要となり構成が複雑になるという問題点があった。
【０００５】
この発明は、上記のような問題点を解消するためになされたものであり、簡単な構造で撓みを発生させることなく圧挿が可能なガスケット自動挿入装置を提供することを目的とする。
【０００６】
【課題を解決するための手段】
この発明の請求項１に係わるガスケット自動挿入装置は、機器の密封面の外周囲部に設けられた溝に沿って加圧ローラを移動させることによりガスケットを上記溝内に圧挿するガスケット自動挿入装置において、上記加圧ローラの移動方向の前方に上記加圧ローラの押込量より小さな押込量で上記ガスケットを溝に押圧する第２の加圧ローラを設け、上記加圧ローラにプーリを、上記第２の加圧ローラに上記プーリよりも径が小の第２のプーリをそれぞれ取り付け上記両プーリ間をベルトで連結し、上記第２の加圧ローラを上記加圧ローラの移動速度より速い周速で回転させるようにしたものである。
【０００７】
また、この発明の請求項２に係わるガスケット自動挿入装置は、請求項１において、上記第２のプーリの径に対する上記加圧ローラのプーリの径の比の値が、上記第２のプーリの径に対する上記加圧ローラの径の比の値より大きいものである。
【０００８】
【発明の実施の形態】
実施の形態１．
以下、この発明の実施の形態を図について説明する。
図１はこの発明の実施の形態１のガスケット自動挿入装置の構成を示す概念図、図２は図１における線ＩＩ−ＩＩに沿った側面断面図である。図において、１０は例えば冷蔵庫等の機器の密封面を有する扉、１１は扉１０の密封面の外周囲部に設けられた溝、１２は溝１１に挿入される挿入部１２ａが形成され、この挿入部１２ａを溝１１に沿わせて位置決めされたガスケット、１３はシリンダ等でなる圧挿力発生装置（図示せず）に懸架されたハウジング、１４はハウジング１３に回転可能に支持され外周がガスケット１２に圧接される加圧ローラ、１５は加圧ローラ１４と連結してハウジング１３に固定され加圧ローラを回転させるモータで、これら１３ないし１５で挿入ヘッド１６を構成し、この挿入ヘッド１６は挿入ヘッド走行装置（図示せず）によってガスケット１２の長手方向に沿って所定速度で移動可能に配設されている。
【０００９】
次に動作について説明する。まず、挿入ヘッド１６が所定の押込力で押圧される。すると、加圧ローラ１４がガスケット１２に圧接し、ガスケット１２の挿入部１２ａが溝１１内に圧挿される。次いで、挿入ヘッド１６を矢印Ａ方向に移動させると同時に、加圧ローラ１４をモータ１５によって挿入ヘッド１６の移動速度より速い周速で転動方向へ回転させる。
これにより、加圧ローラ１４とガスケット１２の接面に摩擦力が発生し、この摩擦力によってガスケット１２は溝１１に引き込まれながら圧挿される。以下この動作をガスケット１２の長手方向に沿って繰り返すことにより、ガスケット１２は溝１１内全長に渡って挿入される。
【００１０】
このように上記実施の形態１によれば、加圧ローラ１４を加圧ローラ１４の移動速度より速い周速で回転させるようにしたので、ガスケット１２を溝１１に引き込む力が作用し簡単な構造でガスケット１２圧挿時に発生する撓みを防止することができる。
【００１１】
実施の形態２．
図３はこの発明の実施の形態２によるガスケット自動挿入装置の構成を示す側面図である。
図において、上記実施の形態１におけると同様な部分は同一符号を付してその説明は省略する。１７は外周部に例えばウレタンゴム等のゴム部材で形成された環状部材が嵌合されガスケット１２と接する加圧ローラで、モータ１５と連結しハウジング１４に回転可能に支持されている。
【００１２】
このように上記実施の形態２によれば、加圧ローラ１７の外周部にゴム部材で形成された環状部材１８を嵌合させたので、加圧ローラ１７とガスケット１２の接面に発生する摩擦力が大きくなり、ガスケット１２を溝１１に引き込む力がさらに増し、ガスケット１２圧挿時に発生する撓みをさらに防止できる。
【００１３】
実施の形態３．
図４はこの発明の実施の形態３によるガスケット自動挿入装置の構成を示す概念図、図５は図４における線Ｖ−Ｖに沿った断面図、図６は図４における線ＶＩ−ＶＩに沿った断面図である。
図において、実施の形態１におけると同様な部分は同一符号を付してその説明は省略する。１９はシリンダ等でなる圧挿力発生装置（図示せず）に懸架されたハウジング、２０はハウジング１９に回転可能に支持され外周がガスケット１２と圧接する加圧ローラ、２１は加圧ローラ２０よりガスケット１２を挿入して移動する方向の前方に支持枠２２により回転可能に支持され、外周がガスケット１２と圧接する第２の加圧ローラ、２３は支持枠２２とハウジング１９の間に介在し第２の加圧ローラ２１をガスケット１２の圧挿方向に移動可能に支持するニゲ機構としてのばねで、これら１９ないし２３で挿入ヘッド２４を構成し、この挿入ヘッド２４は挿入ヘッド走行装置（図示せず）によってガスケット１２の長手方向に沿って所定速度で移動可能に構成されている。
【００１４】
次に動作について説明する。まず、挿入ヘッド２４が所定の押込量で押圧される。すると加圧ローラ２０がガスケット１２に圧接し、ガスケット１２の挿入部１２ａが溝１１内に圧挿され図６の状態になる。この動作にともなって第２の加圧ローラ２１はばね２３の介在でガスケット１２と加圧ローラ２０の押込量より小さな押込量で圧接され、ガスケット１２の挿入部１２ａが溝１１内に仮挿入され図５の状態になる。この状態で挿入ヘッド２４が矢印Ａ方向に移動を始めると、ガスケット１２はまず、転動する第２の加圧ローラ２１でニゲ機構により加圧ローラ２０の押込量より小さい押込量で押圧されて、第２の加圧ローラ２１の位置で仮挿入された後、次に転動する加圧ローラ２０で図６の状態に本挿入される。
【００１５】
このように、上記実施の形態３によれば、第２の加圧ローラ２１で加圧ローラ２０の押込量より小さい押込量で押圧して仮挿入した後、加圧ローラ２０で本挿入するようにしているので、ガスケット１２が仮挿入される状態では押込量が比較的小さいので、ガスケット１２の転動移動方向に発生する力が抑えられ撓みが防止される。また、本挿入時には仮挿入されたガスケット１２の挿入部１２ａが変形しているため、溝１１との間の摩擦力が発生しこの摩擦力によってガスケット１２が転動方向にずれるのを抑制して正常な状態で圧挿される。
【００１６】
なお、実施の形態３ではハウジング１９によって、第２の加圧ローラ２１と加圧ローラ２０を支持するようにしたものを示したが、それぞれ別のハウジングで支持するようにしても同様の効果が得られる。また、ニゲ機構を圧挿力発生装置より弱い圧挿力のエアシリンダにしても同様の効果が得られる。
【００１７】
実施の形態４．
図７はこの発明の実施の形態４によるガスケット自動挿入装置の構成を示す概念図である。
図において、実施の形態３におけると同様な部分は同一符号を付してその説明は省略する。２５はシリンダ等でなる圧挿力発生装置（図示せず）に懸架されたハウジング、２６はハウジング２５に回転可能に支持され外周がガスケット１２と圧接する加圧ローラ、２７は加圧ローラ２６より径が小に形成され加圧ローラ２６よりガスケット１２の長手方向前方の位置に、軸心を同一高さにしてハウジング２５で回転可能に支持され外周がガスケット１２と圧接する第２の加圧ローラで、これら２５ないし２７で挿入ヘッド２８を構成し、この挿入ヘッド２８は挿入ヘッド走行装置（図示せず）によってガスケット１２の長手方向に沿って所定速度で移動可能に構成されている。
【００１８】
次に動作について説明する。まず、挿入ヘッド２８が所定の押込量で押圧される。すると加圧ローラ２６がガスケット１２に圧接し、ガスケット１２の挿入部１２ａが溝１１内に圧挿され図６の状態になる。この動作にともなって第２の加圧ローラ２７はガスケット１２と径の差だけ加圧ローラ２６の押込量より小さな押込量で圧接され、ガスケット１２の挿入部１２ａが溝１１内に仮挿入され図５の状態になる。この状態で挿入ヘッド２８が矢印Ａ方向に移動を始めると、ガスケット１２はまず、転動する第２の加圧ローラ２７で加圧ローラ２６の押込量より小さい押込量で押圧されて、第２の加圧ローラ２７の位置で仮挿入された後、次に転動する加圧ローラ２６で図６の状態に本挿入される。
【００１９】
このように、上記実施の形態４によれば、第２の加圧ローラ２７で加圧ローラ２６の押込量より小さい押込量で押圧して仮挿入した後、加圧ローラ２６で本挿入するようにしているので、ガスケット１２が仮挿入される状態では押込量が比較的小さいので、ガスケット１２の転動移動方向に発生する力が抑えられ撓みが防止される。また、本挿入時には仮挿入されたガスケット１２の挿入部１２ａが変形しているため、溝１１との間の摩擦力が発生しこの摩擦力によってガスケット１２が転動方向にずれるのを抑制して正常な状態で圧挿される。
【００２０】
なお、実施の形態４では第２の加圧ローラ２７の押込量を小さくする手段として、加圧ローラ２６より径が小に形成されたものとしたが、同一径でそれぞれの回転軸心の高さを変える、また、挿入ヘッドを傾ける等により第２の加圧ローラの押込量を小さくするようにしても同様の効果が得られる。
【００２１】
実施の形態５．
図８はこの発明の実施の形態５によるガスケット自動挿入装置の構成を示す概念図である。
図において、実施の形態４におけると同様な部分は同一符号を付してその説明は省略する。２９はハウジング２５に固定され第２の加圧ローラ２７を加圧ローラ２６の移動速度より速い周速で回転させるモータである。
【００２２】
このように上記実施の形態５によれば、加圧ローラ２６の押込量より小さい押込量で先行する第２の加圧ローラ２７を加圧ローラ２６の移動速度より速い周速で回転させるようにしたので、実施の形態４の効果に加え、ガスケット１２を溝１１に引き込む力が作用し仮挿入時にガスケット１２に発生する撓みを防止することができる。
【００２３】
実施の形態６．
図９はこの発明の実施の形態６によるガスケット自動挿入装置の構成を示す概念図である。
図において、実施の形態４におけると同様な部分は同一符号を付してその説明は省略する。３０は加圧ローラ２６の回転軸に固着されたプーリ、３１は第２の加圧ローラ２７の回転軸に固着され、両加圧ローラ２６、２７の径の比よりプーリ３０の径との比が大きい径の第２のプーリ、３２は両プーリ３０、３１間を連結するベルトである。
【００２４】
このように上記実施の形態６のよれば、加圧ローラ２６にプーリ３０を、第２の加圧ローラ２７に両加圧ローラ２６、２７の径の比よりプーリ３０の径との比が大きい径の第２のプーリ３１を固着し、両プーリ３０、３１間をベルト３２で連結することによって、ガスケット１２を圧挿していく際、圧挿力の大きくかかる加圧ローラ２６を駆動源として第２の加圧ローラ２７の回転数を加圧ローラ２６の回転数より大きく、即ち第２の加圧ローラ２７を加圧ローラ２６の移動速度より速い周速で回転させるようにしたので、第２の加圧ローラ２７によるガスケット１２の撓み発生を防止することができる。
【００２５】
【発明の効果】
以上のように、この発明の請求項１によれば、機器の密封面の外周囲部に設けられた溝に沿って加圧ローラを移動させることによりガスケットを上記溝内に圧挿するガスケット自動挿入装置において、上記加圧ローラの移動方向の前方に上記加圧ローラの押込量より小さな押込量で上記ガスケットを溝に押圧する第２の加圧ローラを設け、上記加圧ローラにプーリを、上記第２の加圧ローラに上記プーリよりも径が小の第２のプーリをそれぞれ取り付け上記両プーリ間をベルトで連結し、上記第２の加圧ローラを上記加圧ローラの移動速度より速い周速で回転させるようにしたので、移動方向に発生する力が抑えられ撓みを発生させることなく圧挿が可能なガスケット自動挿入装置を提供することができる。
【００２６】
また、この発明の請求項２によれば、請求項１において、上記第２のプーリの径に対する上記加圧ローラのプーリの径の比の値は、上記第２のプーリの径に対する上記加圧ローラの径の比の値より大きいので、上記第２の加圧ローラによるガスケットの撓み発生を防止することができるガスケット自動挿入装置を提供することができる。
【図面の簡単な説明】
【図１】 この発明の実施の形態１のガスケット自動挿入装置の構成を示す概念図である。
【図２】 図１における線ＩＩ−ＩＩに沿った側面断面図である。
【図３】 この発明の実施の形態２のガスケット自動挿入装置の構成を示す側面断面図である。
【図４】 この発明の実施の形態３のガスケット自動挿入装置の構成を示す概念図である。
【図５】 図４における線Ｖ−Ｖに沿った断面図である。
【図６】 図４における線ＶＩ−ＶＩに沿った断面図である。
【図７】 この発明の実施の形態４のガスケット自動挿入装置の構成を示す概念図である。
【図８】 この発明の実施の形態５のガスケット自動挿入装置の構成を示す概念図である。
【図９】 この発明の実施の形態６のガスケット自動挿入装置の構成を示す概念図である。
【図１０】 従来のガスケット自動挿入装置の構成を示す斜視図である。
【図１１】 図１０における線ＸＩ−ＸＩに沿った断面図である。
【図１２】 図１０における線ＸＩＩ−ＸＩＩに沿った断面図である。
【符号の説明】
１０ 扉（機器の密封面）、１１ 溝、１２ ガスケット、１２ａ 挿入部、
１４ 加圧ローラ、１５ モータ、１６ 挿入ヘッド、１７ 加圧ローラ、
１８ 環状部材（ゴム部材）、２０ 加圧ローラ、２１ 第２の加圧ローラ、
２３ ばね（ニゲ機構）、２４ 挿入ヘッド、２６ 加圧ローラ、
２７ 第２の加圧ローラ、２８ 挿入ヘッド、２９ モータ、３０ プーリ、
３１ 第２のプーリ、３２ ベルト。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automatic gasket insertion device that presses a gasket into a groove formed in an outer peripheral portion of a sealing surface of a device such as a refrigerator.
[0002]
[Prior art]
10 is a perspective view showing a configuration of a conventional automatic gasket insertion apparatus disclosed in, for example, Japanese Patent Application Laid-Open No. 60-213411, FIG. 11 is a cross-sectional view taken along line XI-XI in FIG. 10, and FIG. It is sectional drawing along line XII-XII in FIG.
In the figure, 1 is a door having a sealing surface of a device such as a refrigerator, 2 is a groove provided in an outer peripheral portion of the sealing surface of the door 1, and 3 is a groove 2 having an insertion portion 3 a inserted into the groove 2. The gasket 4 is positioned along the insertion portion 3a, 4 is a pressing block formed in a plurality of rods aligned on the gasket 3, and 5 is a holding frame that holds the upper portion of each pressing block 4 so as to be movable up and down. , 6 is an arm portion protruding in the horizontal direction from the intermediate portion of each pressing block 4, 7 is a compression coil spring disposed between the arm portion 6 and the holding frame 5 and biasing the pressing block 4 downward, 8 A moving arm 9 that moves horizontally in the direction of arrow A along the longitudinal direction of the holding frame 5 is a pressure roller that is rotatably held at the lower end of the moving arm 8 and presses the upper surface of the pressing block 4.
[0003]
Next, the operation will be described. Due to the movement of the moving arm 8, the pressure roller 9 rolls along the upper surface, which is the other end of each pressing block 4, and pushes each pressing block 4 downward by a dimension d, so that the state shown in FIGS. To do. As a result, the insertion portion 3 a of the gasket 3 is pressed into the groove 2 of the door 1.
[0004]
[Problems to be solved by the invention]
The conventional automatic gasket insertion device is configured as described above, and prevents the gasket 3 from bending in the longitudinal direction so that the insertion portion 3a can be press-fitted without causing a positional shift in the groove 2. Therefore, the pressing block 4, the holding frame 5 and the like are necessary, and there is a problem that the configuration is complicated.
[0005]
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an automatic gasket insertion device capable of press-fitting with a simple structure without causing bending.
[0006]
[Means for Solving the Problems]
According to a first aspect of the present invention, there is provided an automatic gasket insertion apparatus for pressing a gasket into the groove by moving a pressure roller along a groove provided on an outer peripheral portion of a sealing surface of the device. In the apparatus, a second pressure roller that presses the gasket into the groove with a pressing amount smaller than the pressing amount of the pressure roller is provided in front of the pressure roller in the moving direction, and a pulley is attached to the pressure roller. A second pulley having a diameter smaller than that of the pulley is attached to the second pressure roller, the two pulleys are connected by a belt, and the second pressure roller is rotated faster than the moving speed of the pressure roller. It is designed to rotate at high speed.
[0007]
Further, the gasket automatic insertion device according to claim 2 of the present invention, in claim 1, the value of the ratio of the diameter of the pulley of the pressure roller to the diameter of the second pulley, the diameter of the second pulley Is larger than the value of the ratio of the diameter of the pressure roller to the above.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
Embodiments of the present invention will be described below with reference to the drawings.
1 is a conceptual diagram showing a configuration of an automatic gasket insertion device according to Embodiment 1 of the present invention, and FIG. 2 is a side sectional view taken along line II-II in FIG. In the figure, 10 is a door having a sealing surface of a device such as a refrigerator, 11 is a groove provided in the outer peripheral portion of the sealing surface of the door 10, and 12 is an insertion portion 12 a inserted into the groove 11. A gasket in which the insertion portion 12a is positioned along the groove 11, 13 is a housing suspended by a pressure insertion force generator (not shown) such as a cylinder, and 14 is rotatably supported by the housing 13 and has an outer periphery gasket. The pressure roller 15 is in pressure contact with the pressure roller 15, and is connected to the pressure roller 14. The motor is fixed to the housing 13 and rotates the pressure roller. These 13 to 15 constitute an insertion head 16. An insertion head travel device (not shown) is disposed so as to be movable at a predetermined speed along the longitudinal direction of the gasket 12.
[0009]
Next, the operation will be described. First, the insertion head 16 is pressed with a predetermined pressing force. Then, the pressure roller 14 comes into pressure contact with the gasket 12, and the insertion portion 12 a of the gasket 12 is pressed into the groove 11. Next, the insertion head 16 is moved in the direction of arrow A, and at the same time, the pressure roller 14 is rotated in the rolling direction by the motor 15 at a peripheral speed faster than the movement speed of the insertion head 16.
As a result, a frictional force is generated on the contact surface between the pressure roller 14 and the gasket 12, and the gasket 12 is pressed into the groove 11 while being pulled by the frictional force. Thereafter, by repeating this operation along the longitudinal direction of the gasket 12, the gasket 12 is inserted over the entire length in the groove 11.
[0010]
As described above, according to the first embodiment, since the pressure roller 14 is rotated at a peripheral speed faster than the moving speed of the pressure roller 14, the force for pulling the gasket 12 into the groove 11 acts and the structure is simple. Therefore, it is possible to prevent the bending that occurs when the gasket 12 is inserted.
[0011]
Embodiment 2. FIG.
FIG. 3 is a side view showing a configuration of an automatic gasket insertion device according to Embodiment 2 of the present invention.
In the figure, the same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. Reference numeral 17 denotes a pressure roller which is fitted with an annular member formed of a rubber member such as urethane rubber on the outer peripheral portion and is in contact with the gasket 12, and is connected to the motor 15 and rotatably supported by the housing 14.
[0012]
As described above, according to the second embodiment, since the annular member 18 formed of the rubber member is fitted to the outer peripheral portion of the pressure roller 17, the friction generated on the contact surface between the pressure roller 17 and the gasket 12. The force is increased, the force for pulling the gasket 12 into the groove 11 is further increased, and the bending that occurs when the gasket 12 is inserted can be further prevented.
[0013]
Embodiment 3 FIG.
4 is a conceptual diagram showing a configuration of an automatic gasket insertion device according to Embodiment 3 of the present invention, FIG. 5 is a sectional view taken along line V-V in FIG. 4, and FIG. 6 is taken along line VI-VI in FIG. FIG.
In the figure, the same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. Reference numeral 19 denotes a housing suspended by a pressure insertion force generator (not shown) such as a cylinder, 20 is a pressure roller that is rotatably supported by the housing 19 and whose outer periphery is in pressure contact with the gasket 12, and 21 is a pressure roller 20. A second pressure roller 23, which is rotatably supported by a support frame 22 in the direction of insertion and movement of the gasket 12 and whose outer periphery is in pressure contact with the gasket 12, is interposed between the support frame 22 and the housing 19. The insertion head 24 is constituted by these 19 to 23 with a spring as a dent mechanism that supports the two pressure rollers 21 so as to be movable in the pressure insertion direction of the gasket 12, and this insertion head 24 is an insertion head traveling device (not shown). 2) is configured to be movable at a predetermined speed along the longitudinal direction of the gasket 12.
[0014]
Next, the operation will be described. First, the insertion head 24 is pressed with a predetermined pressing amount. Then, the pressure roller 20 comes into pressure contact with the gasket 12, and the insertion portion 12a of the gasket 12 is press-fitted into the groove 11, resulting in the state shown in FIG. With this operation, the second pressure roller 21 is pressed into contact with the gasket 12 and the pressing roller 20 with a pressing amount smaller than the pressing amount of the gasket 12 through the spring 23, and the insertion portion 12 a of the gasket 12 is temporarily inserted into the groove 11. It will be in the state of FIG. When the insertion head 24 starts to move in the direction of arrow A in this state, the gasket 12 is first pressed by the second pressing roller 21 that rolls with a pressing amount smaller than the pressing amount of the pressing roller 20 by the dent mechanism. After being temporarily inserted at the position of the second pressure roller 21, the pressure roller 20 that is rolled next is fully inserted into the state shown in FIG.
[0015]
As described above, according to the third embodiment, the second pressure roller 21 is pressed with a pressing amount smaller than the pressing amount of the pressure roller 20 and temporarily inserted, and then the pressure roller 20 performs the main insertion. Therefore, when the gasket 12 is temporarily inserted, the pushing amount is relatively small, so that the force generated in the rolling movement direction of the gasket 12 is suppressed and bending is prevented. In addition, since the insertion portion 12a of the gasket 12 temporarily inserted is deformed at the time of the main insertion, a frictional force is generated between the groove 11 and the gasket 12 is prevented from shifting in the rolling direction due to this frictional force. It is press-fitted in a normal state.
[0016]
In the third embodiment, the second pressure roller 21 and the pressure roller 20 are supported by the housing 19. However, the same effect can be obtained by supporting the second pressure roller 21 and the pressure roller 20 by different housings. can get. Further, the same effect can be obtained even if the dent mechanism is an air cylinder having a pressing force weaker than the pressing force generator.
[0017]
Embodiment 4 FIG.
FIG. 7 is a conceptual diagram showing a configuration of an automatic gasket insertion device according to Embodiment 4 of the present invention.
In the figure, the same parts as those in the third embodiment are denoted by the same reference numerals, and the description thereof is omitted. Reference numeral 25 denotes a housing suspended by a pressure insertion force generator (not shown) such as a cylinder, 26 is a pressure roller which is rotatably supported by the housing 25 and whose outer periphery is in pressure contact with the gasket 12, and 27 is a pressure roller 26. A second pressure roller having a small diameter and positioned in front of the pressure roller 26 in the longitudinal direction of the gasket 12 so that the shaft center is at the same height and is rotatably supported by the housing 25, and the outer periphery is in pressure contact with the gasket 12. Thus, the insertion head 28 is constituted by these 25 to 27, and this insertion head 28 is configured to be movable at a predetermined speed along the longitudinal direction of the gasket 12 by an insertion head traveling device (not shown).
[0018]
Next, the operation will be described. First, the insertion head 28 is pressed with a predetermined pressing amount. Then, the pressure roller 26 comes into pressure contact with the gasket 12, and the insertion portion 12a of the gasket 12 is press-fitted into the groove 11, resulting in the state shown in FIG. In accordance with this operation, the second pressure roller 27 is pressed into contact with the gasket 12 by a pressing amount smaller than the pressing amount of the pressing roller 26 by a difference in diameter, and the insertion portion 12a of the gasket 12 is temporarily inserted into the groove 11. It becomes the state of 5. When the insertion head 28 starts to move in the direction of arrow A in this state, the gasket 12 is first pressed with a pressing amount smaller than the pressing amount of the pressing roller 26 by the rolling second pressing roller 27, and the second 6 is temporarily inserted at the position of the pressure roller 27 and then inserted into the state shown in FIG.
[0019]
As described above, according to the fourth embodiment, the second pressure roller 27 is pressed with a pressing amount smaller than the pressing amount of the pressure roller 26 and temporarily inserted, and then the pressure roller 26 performs the main insertion. Therefore, when the gasket 12 is temporarily inserted, the pushing amount is relatively small, so that the force generated in the rolling movement direction of the gasket 12 is suppressed and bending is prevented. In addition, since the insertion portion 12a of the gasket 12 temporarily inserted is deformed at the time of the main insertion, a frictional force is generated between the groove 11 and the gasket 12 is prevented from shifting in the rolling direction due to this frictional force. It is press-fitted in a normal state.
[0020]
In the fourth embodiment, as a means for reducing the pressing amount of the second pressure roller 27, the diameter is smaller than that of the pressure roller 26. The same effect can be obtained even if the pressing amount of the second pressure roller is reduced by changing the height or by tilting the insertion head.
[0021]
Embodiment 5 FIG.
FIG. 8 is a conceptual diagram showing a configuration of an automatic gasket insertion device according to Embodiment 5 of the present invention.
In the figure, parts similar to those in the fourth embodiment are denoted by the same reference numerals, and description thereof is omitted. A motor 29 is fixed to the housing 25 and rotates the second pressure roller 27 at a peripheral speed faster than the moving speed of the pressure roller 26.
[0022]
As described above, according to the fifth embodiment, the preceding second pressure roller 27 is rotated at a peripheral speed faster than the moving speed of the pressure roller 26 with a pressing amount smaller than the pressing amount of the pressure roller 26. Therefore, in addition to the effects of the fourth embodiment, the force that pulls the gasket 12 into the groove 11 acts, and the bending that occurs in the gasket 12 during temporary insertion can be prevented.
[0023]
Embodiment 6 FIG.
FIG. 9 is a conceptual diagram showing a configuration of an automatic gasket insertion device according to Embodiment 6 of the present invention.
In the figure, parts similar to those in the fourth embodiment are denoted by the same reference numerals, and description thereof is omitted. 30 is a pulley fixed to the rotary shaft of the pressure roller 26, 31 is fixed to the rotary shaft of the second pressure roller 27, and the ratio of the diameter of the pulley 30 to the ratio of the diameters of both the pressure rollers 26 and 27 is shown. The second pulley 32 having a large diameter is a belt for connecting the pulleys 30 and 31 together.
[0024]
As described above, according to the sixth embodiment, the pressure roller 26 has the pulley 30 and the second pressure roller 27 has a larger ratio with the diameter of the pulley 30 than the ratio of the diameters of the pressure rollers 26 and 27. When the gasket 12 is press-fitted by fixing the second pulley 31 having a diameter and connecting the pulleys 30 and 31 with a belt 32, the pressure roller 26, which requires a large press-fitting force, is used as a drive source. The rotation speed of the second pressure roller 27 is larger than the rotation speed of the pressure roller 26, that is, the second pressure roller 27 is rotated at a peripheral speed faster than the moving speed of the pressure roller 26. It is possible to prevent the gasket 12 from being bent by the pressure roller 27.
[0025]
【The invention's effect】
As described above, according to the first aspect of the present invention, the gasket automatic press-fitting the gasket into the groove by moving the pressure roller along the groove provided in the outer peripheral portion of the sealing surface of the device. In the insertion device, a second pressure roller that presses the gasket into the groove with a pressing amount smaller than the pressing amount of the pressing roller is provided in front of the moving direction of the pressing roller, and a pulley is attached to the pressing roller. A second pulley having a diameter smaller than that of the pulley is attached to the second pressure roller, the two pulleys are connected by a belt, and the second pressure roller is faster than the moving speed of the pressure roller. Since the rotation is performed at the peripheral speed, it is possible to provide an automatic gasket insertion device in which the force generated in the moving direction is suppressed and the pressure insertion can be performed without causing the bending.
[0026]
Further, according to the second aspect of the present invention, in claim 1, said values of the ratio of the diameter of the pulley of the second of the pressure roller to the diameter of the pulley, the pressure applied to the diameter of the second pulley Since it is larger than the value of the ratio of the diameters of the rollers, it is possible to provide an automatic gasket insertion device capable of preventing the gasket from being bent by the second pressure roller.
[Brief description of the drawings]
FIG. 1 is a conceptual diagram illustrating a configuration of an automatic gasket insertion device according to a first embodiment of the present invention.
FIG. 2 is a side sectional view taken along line II-II in FIG.
FIG. 3 is a side sectional view showing a configuration of an automatic gasket insertion device according to a second embodiment of the present invention.
FIG. 4 is a conceptual diagram showing a configuration of an automatic gasket insertion device according to a third embodiment of the present invention.
FIG. 5 is a cross-sectional view taken along line VV in FIG. 4;
6 is a cross-sectional view taken along line VI-VI in FIG. 4;
FIG. 7 is a conceptual diagram showing a configuration of an automatic gasket insertion device according to a fourth embodiment of the present invention.
FIG. 8 is a conceptual diagram showing a configuration of an automatic gasket insertion device according to a fifth embodiment of the present invention.
FIG. 9 is a conceptual diagram showing a configuration of an automatic gasket insertion device according to a sixth embodiment of the present invention.
FIG. 10 is a perspective view showing a configuration of a conventional automatic gasket insertion device.
11 is a cross-sectional view taken along line XI-XI in FIG.
12 is a cross-sectional view taken along line XII-XII in FIG.
[Explanation of symbols]
10 door (sealing surface of equipment), 11 groove, 12 gasket, 12a insertion part,
14 pressure roller, 15 motor, 16 insertion head, 17 pressure roller,
18 annular member (rubber member), 20 pressure roller, 21 second pressure roller,
23 Spring (Nige mechanism), 24 Insertion head, 26 Pressure roller,
27 second pressure roller, 28 insertion head, 29 motor, 30 pulley,
31 Second pulley, 32 belt.

Claims (2)

機器の密封面の外周囲部に設けられた溝に沿って加圧ローラを移動させることによりガスケットを上記溝内に圧挿するガスケット自動挿入装置において、上記加圧ローラの移動方向の前方に上記加圧ローラの押込量より小さな押込量で上記ガスケットを溝に押圧する第２の加圧ローラを設け、上記加圧ローラにプーリを、上記第２の加圧ローラに上記プーリよりも径が小の第２のプーリをそれぞれ取り付け上記両プーリ間をベルトで連結し、上記第２の加圧ローラを上記加圧ローラの移動速度より速い周速で回転させるようにしたことを特徴とするガスケット自動挿入装置。 In an automatic gasket insertion device that press-fits a gasket into the groove by moving the pressure roller along a groove provided on an outer peripheral portion of the sealing surface of the device, the pressure roller moves forward in the moving direction of the pressure roller. A second pressure roller that presses the gasket into the groove with a pressing amount smaller than the pressing amount of the pressure roller is provided, a pulley is provided on the pressure roller, and a diameter of the second pressure roller is smaller than that of the pulley. The second pulley is attached to each other, the two pulleys are connected by a belt, and the second pressure roller is rotated at a peripheral speed faster than the moving speed of the pressure roller. Insertion device. 上記第２のプーリの径に対する上記加圧ローラのプーリの径の比の値が、上記第２の加圧ローラの径に対する上記加圧ローラの径の比の値より大きいことを特徴とする請求項１に記載のガスケット自動挿入装置。 The value of the ratio of the diameter of the pressure roller to the diameter of the second pulley is larger than the value of the ratio of the diameter of the pressure roller to the diameter of the second pressure roller. Item 2. An automatic gasket insertion device according to Item 1 .
JP14147798A 1998-05-22 1998-05-22 Gasket automatic insertion device Expired - Fee Related JP3980173B2 (en)

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