JP2004066406A

JP2004066406A - Fastener feeder for fastener driving machine

Info

Publication number: JP2004066406A
Application number: JP2002230195A
Authority: JP
Inventors: Ken Arata; 荒田　憲
Original assignee: Kanematsu NNK Corp
Current assignee: Kanematsu NNK Corp
Priority date: 2002-08-07
Filing date: 2002-08-07
Publication date: 2004-03-04
Anticipated expiration: 2022-08-07
Also published as: JP3947058B2

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fastener feeder capable of feeding a connection fastener one by one to a driving chamber in a nose part even if it is a flat tape-bound fastener or a coil tape-bound fastener. <P>SOLUTION: The fastener feeder is provided with a freely swingable gate part 30 covering a tape-guide part so as to be opened and a tape feed part 31 to feed a fastener binding tape so that the fastener is fed one by one to a driving chamber. In the tape guide part and the gate part, a flat tape guide groove for passing through an edge part of the flat tape and a coil tape guide groove guiding a coil tape having a U-shaped cross section are formed. In the gate part 30, a flat tape feed claw 38 engaged with a feed notch of the edge part of the flat tape housed in the flat tape guide groove and feeding the flat tape and a coil tape feed claw 39 engaged with a feed hole in a base part of the coil tape housed in the coil tape guide groove and feeding the coil tape are provided. The flat tape feed claw and the coil tape feed claw are driven by a piston cylinder device 33. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
本発明は、頭部と軸部とを有する釘やねじ等の固着具を細長いプラスチックテープによって所定の間隔に連結したテープ連結固着具を固着具打込機のノーズ部の打込室に１本ずつ送る、固着具打込機の固着具送り装置に関する。
【０００２】
【従来の技術】
頭部と軸部を有する釘やねじ等の固着具を細長いテープによって所定の間隔に連結したテープ連結固着具を固着具打込機のノーズ部の打込室に１本ずつ送って棒状のドライバでノーズ部の打込通路を通して木材等の打込対象物に打込む固着具打込機はよく知られている。特公昭４６−４０４０号公報には、固着具が釘である、圧縮空気を動力源とする固着具打込機が開示されている。固着具は、各固着具の軸部を頭部側と先端側とで保持するように中間の基部とその両縁部から立上がるタブとから成るコの字形状の横断面を有し且つ連結した多数の固着具軸部を相互に平行にした状態でコイル状に巻回できる、プラスチック製のコイルテープによって所定の間隔に連結される。テープによって連結された固着具は固着具打込機の固着具送り装置に装填される。固着具送り装置において、コイルテープの基部の送り穴には送り爪が係合し、送り爪にはピストンシリンダ装置の可動部が連結され、ドライバの打込後の復帰の時にピストンシリンダ装置が動作して、ノーズ部の打込室に次の固着具を送る。
【０００３】
固着具を所定の間隔に連結する細長いテープは、上記のコイルテープの外に、特開昭５３−１４７１６０号公報（特公昭５７−６１９２７号公報）に記載のように、固着具軸部を通す支持穴が所定の間隔で形成されていて固着具を支持穴に通して頭部に隣接する軸部部分を保持する、平坦な帯状の平テープも知られている。特開平１１−１７０１８０号公報には、この平テープで連結した固着具を打込む固着具打込機が開示されている。前記コイルテープ連結固着具と前記平テープ連結固着具が、同じ固着具打込機で打込めるのであれば、テープの違いに合わせて建築現場等の作業場所に重い打込機を搬送する手間がなくなる。また、作業者にとっても、使用している固着具打込機を変更することなく異なるテープのテープ連結固着具を打込めることになり、便利であり、望ましいことである。
【０００４】
実開昭６２−９２１７０号公報（実公平２−８７０７号公報）及び特開平８−１６４５０２号公報（特許第２８３６５１２号公報）には、コイルテープによって連結した固着具と、ワイヤによって所定の間隔に連結した固着具の２種類の連結固着具を併用できる固着具打込機を開示している。これらの公報に記載の固着具打込機は、異なる形状のテープによって連結した固着具を扱うものではなく、ワイヤ連結固着具とコイルテープ連結固着具が同じ固着具打込機で打込めるようにしたものである。
【０００５】
【発明が解決しようとする課題】
ワイヤ連結固着具とコイルテープ連結固着具を併用できる固着具打込機は知られているが、コイルテープ連結固着具と平テープ連結固着具とを併用できる固着具打込機は知られていない。
【０００６】
従って、本発明の目的は、平テープ連結固着具であってもコイルテープ連結固着具であってもノーズ部の打込室に１本ずつ送ることのできる、固着具打込機の固着具送り装置を提供することにある。
【０００７】
【課題を解決するための手段】
固着具を細長いテープによって所定の間隔に連結したテープ連結固着具を固着具打込機のノーズ部の打込室に１本ずつ送る、本発明の、固着具打込機の固着具送り装置は、固着具連結テープを打込室に送る給送通路が形成されて、打込室が形成されたノーズ部に一体に形成されたテープガイド部と；固着具連結テープを給送通路上に給送可能に収容して、テープガイド部を開放可能に覆うようにノーズ部又はテープガイド部に旋回自在に連結されたゲート部と；テープガイド部に収容された固着具連結テープを打込室に固着具を１本ずつ送るように進めるテープ送り部とを備え；テープガイド部とゲート部とには、固着具が所定の間隔で連結された平テープの縁部を通すように案内する平テープガイド溝と、固着具が所定の間隔で連結されたコの字形状の横断面のコイルテープを通すように案内するコイルテープガイド溝とが形成されており、平テープガイド溝は、テープガイド部とゲート部とに、平テープの縁部を収容して案内する給送通路方向に延びる細い溝として形成され、コイルテープガイド溝は、ゲート部に、コイルテープの基部を案内するように給送通路方向に延びる広い溝として形成されており；テープ送り部は、ゲート部に、平テープガイド溝に収容される平テープの縁部の送りノッチに係合して後退及び前進して平テープを所定の間隔だけ送る平テープ送り爪と、コイルテープガイド溝に収容されるコイルテープの基部の送り穴に係合して後退及び前進してコイルテープを所定の間隔だけ送るコイルテープ送り爪とを備え、平テープ送り爪とコイルテープ送り爪とは、ピストンシリンダ装置によって駆動され；ピストンシリンダ装置がノーズ部又はテープガイド部に固着され、平テープ送り爪とコイルテープ送り爪とをピストンシリンダ装置の可動部に着脱可能に連結する手段を有することを特徴とする。
【０００８】
上記固着具送り装置によれば、テープガイド部とゲート部に平テープガイド溝が形成され、ゲート部にコイルテープガイド溝が形成され、ゲート部に平テープを送る平テープ送り爪とコイルテープを送るコイルテープ送り爪とが設けられ、平テープ送り爪とコイルテープ送り爪とはピストンシリンダ装置によって駆動されるので、平テープ連結固着具であってもコイルテープ連結固着具であっても１つの固着具送り装置によってノーズ部に送ることが実現でき、平テープ送り爪もコイルテープ送り爪も、固着具軸部に係合することなしに平テープ又はコイルテープに係合してテープを直接前進させているので、固着具の姿勢を適正に維持した状態で確実に所定の間隔で打込室に送ることができ、また、ピストンシリンダ装置がノーズ部又はテープガイド部に固着され、平テープ送り爪とコイルテープ送り爪とをピストンシリンダ装置の可動部に着脱可能に連結する手段が設けられているので、テープ連結固着具の装填時等に旋回させる必要のあるゲート部には装填作業等を阻害する惧れがある重いピストンシリンダ装置がなくなる。
【０００９】
また、本発明の固着具打込機の固着具送り装置は、固着具連結テープを打込室に送る給送通路が形成されて、打込室が形成されたノーズ部に一体に形成されたテープガイド部と；固着具連結テープを給送通路上に給送可能に収容して、テープガイド部を開放可能に覆うようにノーズ部又はテープガイド部に旋回自在に連結されたゲート部と；テープガイド部に収容された固着具連結テープを打込室に固着具を１本ずつ送るように進めるテープ送り部とを備え；テープガイド部とゲート部とには、固着具が所定の間隔で連結された平テープの縁部を通すように案内する平テープガイド溝と、固着具が所定の間隔で連結されたコの字形状の横断面のコイルテープを通すように案内するコイルテープガイド溝とが形成されており、平テープガイド溝は、テープガイド部とゲート部とに平テープの縁部を収容して案内する給送通路方向に延びる細い溝として形成され、コイルテープガイド溝は、ゲート部にコイルテープの基部を案内するように給送通路方向に延びる広い溝として形成されており；テープ送り部は、ゲート部に、平テープガイド溝に収容される平テープの縁部の送りノッチに係合して後退及び前進して平テープを所定の間隔だけ送る平テープ送り爪と、コイルテープガイド溝に収容されるコイルテープの基部の送り穴に係合して後退及び前進してコイルテープを所定の間隔だけ送るコイルテープ送り爪とを備え、平テープ送り爪とコイルテープ送り爪とは、ピストンシリンダ装置によって駆動され；打込室には、給送通路に向けて延び且つ閉じたゲート部に近い側に沿って延びる保持壁部が固着され、保持壁部は、ゲート部の平テープガイド溝に収容される平テープのゲート部側の縁部を保持するように形成されるとともに、ゲート部のコイルテープガイド溝に収容されるコイルテープの基部とタブに支持される固着具軸部との間の空間に延びるように形成されていることを特徴とする。
【００１０】
上記固着具送り装置によれば、平テープ連結固着具であってもコイルテープ連結固着具であっても、１つの固着具送り装置によってノーズ部に送ることが実現でき、平テープ送り爪もコイルテープ送り爪も、固着具軸部に係合することなしに平テープ又はコイルテープに係合してテープを直接前進させているので、固着具の姿勢を適正に維持した状態で確実に所定の間隔で打込室に送ることができ、また、打込室から給送通路にゲート部に近い側に沿って延びる保持壁部が、平テープのゲート部側の縁部を保持するとともに、コイルテープの基部と固着具軸部との間の空間に延びるので、平テープ連結固着具をドライバで打込むときには保持壁部が平テープ縁部を支持して固着具を適正な姿勢に維持し、コイルテープ連結固着具の打込み時にはコイルテープの前進を妨げることがなく、平テープ連結固着具であってもコイルテープ連結固着具であってもノーズ部での打込みを適正に維持する。
【００１１】
上記固着具送り装置において、テープガイド部には、平テープガイド溝に収容される平テープ縁部の送りノッチに係合して平テープを送る、第２の平テープ送り爪が設けられ、第２平テープ送り爪がピストンシリンダ装置によって駆動されるのが好ましい。これによって、平テープの送りを一層確実にする。ゲート部には、平テープ縁部の送りノッチに係合して平テープの後退を阻止する平テープ逆止爪と、コイルテープ基部の送り穴に係合してコイルテープの後退を阻止するコイルテープ逆止爪とが設けられる。これによって、平テープ送り爪の後退又はコイルテープ送り爪の後退時のテープの後退を確実に阻止できる。
【００１２】
上記の平テープ送り爪とコイルテープ送り爪とをピストンシリンダ装置の可動部に着脱可能に連結する手段は、一端の部分に平テープ送り爪とコイルテープ送り爪とが固着され且つ他端にピストンシリンダ装置の可動部に形成されたピンに着脱可能に連結される連結穴が形成された連結アームで成り、ゲート部を開放状態からテープガイド部を覆う位置に旋回させる動作によって、連結穴がピンに挿入されて、平テープ送り爪とコイルテープ送り爪とがピストンシリンダ装置に連結される構成であるのが好ましい。
【００１３】
【発明の実施の形態】
以下、本発明の実施例について、図面を参照しながら説明する。本発明の固着具打込機の固着具送り装置の説明の前に、図１及び図２を参照して、コイルテープ連結固着具と平テープ連結固着具について説明する。コイルテープ１が、図１（Ａ）及び（Ｂ）に示されている。コイルテープ１は、プラスチックの細長い帯条体として形成され、釘やビスと呼ばれるねじ等の固着具２を長手方向に多数保持する。コイルテープ１は、固着具２の軸部３を頭部５の側と先端の側とで保持するように、中間の基部６とその両縁部から立上がる一対のタブ７、７とから成るコの字形状の横断面を有する。タブ対７は、長手方向に所定の間隔をもって多数形成されて固着具を所定の間隔で保持する。基部６の中央には、送り穴９が長手方向にタブ７の所定の間隔をもって形成され、送り爪によるテープの前進を可能にしている。各タブ７には固着具支持穴が設けられ、各支持穴は、固着具がドライバで打込まれたときタブから外れるように切欠かれている。コイルテープ１は、多数の固着具２を連結し、連結した固着具軸部３を相互に平行にした状態でコイル状に巻回することができる。例えば、図１（Ａ）において、コイルテープの右側の端部を持ち上げて左側の端部の側に巻き込むようにすれば長い固着具を連結したコイルテープ１をコイル形状に巻回でき、そのコイル状の固着具連結テープは、ドラム形状のマガジンに収容できる。このようにコイル状に巻回できるので、コイルテープと称する。なお、特公昭４６−４０４０号公報には、上記説明とは反対向きに巻回したコイルテープが示されている。
【００１４】
図２（Ａ）及び（Ｂ）には平テープ１０が示されている。平テープ１０は、プラスチックの細長い平坦な帯条体として形成される。平テープ１０の幅方向の中央には、固着具２の軸部３を通す支持穴１１が長手方向に所定の間隔に形成されている。支持穴１１には固着具２の軸部３が挿通されていて、頭部５に隣接する軸部部分が支持穴１１で支持されて、多数の固着具２が所定の間隔で連結されている。平テープ１の両縁部には、送りノッチ１３が長手方向に支持穴１１の所定の間隔をもって形成され、送り爪によるテープの前進を可能にしている。支持穴１１は、固着具軸部３を支持するように平坦なテープ面から突出する筒状（図２（Ｂ）参照）に形成されている。支持穴１１の周囲には、支持された固着具がドライバで打込まれるときに支持穴１１から抜け外れるように、放射状の４つの溝１４が形成されており、各溝１４は筒状の支持穴１１にまで延び出ている。支持穴１１に支持された固着具２がドライバで打込まれると、固着具２の頭部５が溝１４から支持穴１１を押し広げつつ押出され、更に頭部５は支持穴１１に延びる溝１４に押し広げる力を加えて支持穴１１の筒状部分を切り裂き、固着具２が支持穴１１から抜け出て対象物に打込まれる。なお、ドライバが固着具２を打込むとき、テープ１０の両側の縁部（送りノッチ１３が形成される縁部）は、ドライバの打込力によって撓まないように保持される。
【００１５】
上記のコイルテープ１によって連結される連結固着具も平テープ１０による連結固着具も送ることができるのが、本発明の固着具送り装置である。図３〜図５には、固着具打込機１７のノーズ部１８に設けられた、本発明の実施例に係る固着具送り装置１９が示されている。図３は、固着具打込機１７が打込動作する前の状態にあり、ノーズ部１８の打込室２１には固着具２が１本送られており、固着具２の上方にはドライバ２２の先端があって打込み可能になっている。図４では、固着具打込機１７が打込動作して、ドライバ２２が固着具２を打込んでいるときの状態にあり、ドライバ２２の先端は、コイルテープ１に保持されて打込室２１にあった固着具２をノーズ部１８の打込通路２３を通してノーズガイド２５から木材等の打込対象物に打込む。なお、ノーズガイド２５は固着具２を打込対象物に垂直に打込むことができるように保持する。図５は、固着具打込機１８が打込動作を終えてドライバ２２が打込前の位置に復帰する途中の状態にある。なお、図３〜図５において、コイルテープ１で連結した固着具２が使用されているが、本発明では、平テープ１０で連結した連結固着具も使用できる。固着具打込機１７のメインシリンダ、メインピストン、トリガ機構等を含む打込機全体の構造及びその動作の詳細については、公知であるので割愛する。それらの詳細について、例えば、特開平１１−１７０１８０号公報を参照されたい。
【００１６】
図３〜図５に示される固着具送り装置１９及びノーズ部１８の全体が、図６及び図７にも示されている。図３〜図７を参照して、本発明に係る固着具送り装置１９を説明する。固着具送り装置１９は、固着具連結テープ１（又は１０）を打込室２１に送る給送通路２６が形成されてノーズ部１８に一体に形成されたテープガイド部２７と、テープガイド部２７を開放可能に覆うように、打込室２１に隣接する位置でノーズ部１８にピン２９によって旋回自在に連結されたゲート部３０とを有する。ゲート部３０は、ノーズ部１８ではなく、テープガイド部２７に連結してもよい。固着具送り装置１９は、更に、テープガイド部２７に収容された固着具連結テープ１（又は１０）を打込室２１に固着具を１本ずつ送るように進めるテープ送り部３１を有する。テープ送り部３１は、ゲート部３０の側とノーズ部１８の側とに分けて設けられている。ゲート部３０の側に設けられるのは、ゲート部３０を重くしないテープ送り機構部分であり、ノーズ部１８の側に設けられるのは、ピストンシリンダ装置３３を含む、重くて嵩張る部分である。両部分は、連結手段によって連結される。
【００１７】
図３〜図７に加えて図８〜図１１を参照する。図８は、テープ部分のない図３のＶＩＩＩ−ＶＩＩＩ線に沿って断面した図を示しており、図９は、テープ送り部３１の静止時の状態を示しており、図１０は、テープ送り部３１のテープ送り動作時の状態を示しており、図１１はピストンシリンダ装置３３を示している。図３〜図１１を参照して、固着具送り装置１９を説明する。先ず、テープ送り部３１の、ゲート部３０の側に設けられるテープ送り機構部分について説明する。図８に示すように、ゲート部３０には、平テープ１０の一方の縁部を通すように収容して案内する、給送通路方向に延びる細い平テープガイド溝３４が形成されている。平テープガイド溝３４に対向するテープガイド部２７の位置には、平テープ１０の他方の縁部を通すように収容して案内するように給送通路方向に延びる細い平テープガイド溝３５が形成され、前記平テープガイド溝３４と対を成している。また、ゲート部３０には、コイルテープ１の基部６をゲート部３０に沿って通すように案内するコイルテープガイド溝３７が、基部６の幅に対応する広い溝として給送通路方向に延びるように形成されている。
【００１８】
図９及び図１０に図示のように、テープ送り部３１は、ゲート部３０に、平テープガイド溝３４に収容される平テープ１０の縁部の送りノッチ１３に係合して後退及び前進して平テープを所定の間隔だけ送る第１の平テープ送り爪３８と、コイルテープガイド溝３７に収容されるコイルテープ１の基部６の送り穴９に係合して後退及び前進してコイルテープ１を所定の間隔だけ送るコイルテープ送り爪３９とを包含する。テープガイド部２７には、平テープガイド溝３５に収容される平テープ１０の縁部の送りノッチ１３に係合して後退及び前進して平テープを所定の間隔だけ送る、第２の平テープ送り爪４１が設けられる。これらの平テープ送り爪３８、４１及びコイルテープ送り爪３９とは、ピストンシリンダ装置３３によって駆動される。ゲート部３０を裏面側から見た、図１２及び図１３には、コイルテープ送り爪３９が示され、ゲート部３０を裏面側から見た、図１４及び図１５には、第１平テープ送り爪３８及び第２平テープ送り爪４１が示されているので、これらの図も参照されたい。第１平テープ送り爪３８、第２平テープ送り爪４１及びコイルテープ送り爪３９は、ピストンシリンダ装置３３によって、図９の静止位置から図１０の位置に一度後退して、再び、図９の位置に前進する。ピストンシリンダ装置３３は、図３〜図６に図示のように、ノーズ部１８に一体的に成形又は連結されることによって固着されている。図１１は、図９のピストンシリンダ装置３３のＸＩ−ＸＩ線に沿って断面した図を示している。
【００１９】
主に図９〜図１１を参照すると、ピストンシリンダ装置３３は、ノーズ部１８に固着されるシリンダ部４２と、シリンダ部４２に往復動自在に収容されるピストン４３と、ピストン４３に一体成形されてシリンダ部４２の外周面に円筒形状に形成された可動部４５とを包含する。シリンダ部４２には、圧縮空気入口４６が設けられて、固着具打込機１７のリターンチャンバ４７（図３〜図５参照）からの圧縮空気が供給されるようになっている。ピストン４３には、前記圧縮空気の無い状態ではシリンダ内の容積を最小にする静止位置にあるように、シリンダ部４２の中でピストン４３を押圧するコイルばね４９が当接している。コイルばね４９はノーズ部１８に固着された支持部５０から延びるロッド５１によって支持されている。なお、図１１に図示のように、実施例では、コイルばね４９及びロッド５１は、楕円形断面のシリンダ部４２に合わせた形状の、楕円断面のピストン４３に対応して、２組設けられているが、１組でもよいことは勿論である。図１０又は図１１（Ｂ）に図示のように、圧縮空気入口４６にリターンチャンバからの圧縮空気が供給されると、ピストン４３がコイルばね４９の力に抗して図１０の矢印５３（及び図１１（Ｂ）の矢印５３）に示すように、右側の方向に移動して、一体の可動部４５も右側に移動する。この移動によって、第１平テープ送り爪３８及びコイルテープ送り爪３９、並びに、第２平テープ送り爪４１が、図９の静止位置から図１０の位置に移動させられる。
【００２０】
この移動のため、第１平テープ送り爪３８及びコイルテープ送り爪３９とをピストンシリンダ装置３３の可動部４５に着脱可能に連結する手段が設けられている。その連結手段は、連結アーム５４である。連結アーム５４は、図３〜図７に示されており、図９に図示の便宜のため連結を外した状態で示されている。連結アーム５４は、ほぼＬ字型に形成されており、連結アーム５４の一端の側の部分には第１平テープ送り爪３８とコイルテープ送り爪３９とが固着されている。連結アーム５４の他端の側の部分には、ピストンシリンダ装置３３の可動部４５に形成されたピン５５に着脱可能に連結される連結穴５７が形成されている。連結アーム５４は、第１平テープ送り爪３８及びコイルテープ送り爪３９に固着されているため、全体として、ゲート部３０に支持されており、ゲート部３０を開放状態（図７）からテープガイド部２７を覆う位置に旋回させる（図６）と、連結アーム５４の他端の連結穴５７が、ピストンシリンダ装置３３の可動部４５のピン５５に自動的に挿入される。これによって、第１平テープ送り爪３８とコイルテープ送り爪３９とがピストンシリンダ装置３３の可動部４５に連結され、可動部の移動によって両送り爪が後退及び前進する。従って、ゲート部３０が旋回自在に形成されていて、そのゲート部３０に第１平テープ送り爪３８とコイルテープ送り爪３９とが設けられていても、ゲート部３０を閉じるだけで、両送り爪をピストンシリンダ装置３３に連結できる。そして、テープ連結固着具の装填時等に旋回させる必要のあるゲート部３０には、重いピストンシリンダ装置はなく、作業者にゲート部３０を操作する際の負担を重くすることはない。なお、第２平テープ送り爪４１は、固定のテープガイド部２７の側に設けられた送り爪であるので、第２平テープ送り爪４１のアーム形状部分がピストンシリンダ装置３３の可動部４５に直接連結されている（図９及び図１０）。
【００２１】
ゲート部３０には、平テープ１０縁部の送りノッチ１３に係合して平テープの後退を阻止する平テープ逆止爪５９と、コイルテープ１の基部６の送り穴９に係合してコイルテープの後退を阻止するコイルテープ逆止爪６１とが設けられる。これらの平テープ逆止爪５９とコイルテープ逆止爪６１は、図９及び図１０、並びに、図１２〜図１５に示される。平テープ逆止爪５９並びにコイルテープ逆止爪６１は、それぞれ、第１平テープ送り爪３８及び第２平テープ送り爪４１並びにコイルテープ送り爪３９の後退時に平テープ１０並びにコイルテープ１に係合して後退するのを阻止するためのものである。図１２及び図１３を参照すると、コイルテープ逆止爪６１は、給送通路方向には移動しないが、コイルテープ１の前進を許し且つ後退を阻止するように中間のピン６２によって旋回可能に支持され、爪のある先端と反対側の端部にはコイルばね６３が設けられ、コイルテープ逆止爪６１の先端がコイルテープ１の基部６の送り穴９に係合するようにばね付勢されている。平テープ逆止爪５９は、図１４及び図１５に図示のように、給送通路方向には移動しないが、平テープ１０の前進を許し且つ後退を阻止するように、打込室２１にある平テープ部分の送りノッチ１３に係合する位置に設けられる。特に、図１４（Ａ）及び図１５（Ａ）に図示のように、前端と後端にはそれぞれコイルばね６５が設けられ、固着具２の１本分の前後の送りノッチ１３の一方に必ず係合するようにしている。かかる平テープ逆止爪５９とコイルテープ逆止爪６１によって、平テープ送り爪３８、４１の後退時又はコイルテープ送り爪３９の後退時のテープの後退を確実に阻止でき、各テープの送りを確実にする。
【００２２】
図１６は、ゲート部３０を取り除いた状態の打込室２１を示している。打込室２１には、打込室２１を形成する壁部分を根元としてテープガイド部２７の給送通路２６に向けて延びる保持壁部６６がノーズ部１８に一体に形成されている。図１７は、図１６のＸＶＩＩ−ＸＶＩＩ線断面図を示しており、保持壁部６６は、テープガイド部２７の側ではなく、閉じたゲート部３０の側に沿って延びるように形成されている。保持壁部６６は、平テープ１０のゲート部３０側の縁部を打込室２１で保持し、平テープ１０に連結された固着具２の打込みのとき、平テープ１０から固着具２がドライバに適正な姿勢で打込まれるのを確保する。このため、保持壁部６６は、図１６に示すように、テープガイド部２７の平テープガイド溝３５に対向する側の溝の壁面６７を、ゲート部３０の平テープガイド溝３４から打込室２１に連続するように形成する。平テープ１０は、ゲート部３０側の平テープガイド溝３４が平テープ逆止爪５９の存在によって打込室２１において十分な深さを確保できなくても、保持壁部６６の壁面６７によって確実に保持され、平テープ１０のテープガイド部２７側の縁部は平テープガイド溝３５によって確実に保持される。それによって、ドライバで固着具２が打込まれても平テープ１０の姿勢は適正に維持されて適正な姿勢での打込みを確保する。図１８（Ａ）は、平テープ１０のテープガイド部２７側の縁部が平テープガイド溝３５によって確実に保持されるとともに、ゲート部３０側の縁部が保持壁部６６の壁面６７によって確実に保持されるのを示している。
【００２３】
また、保持壁部６６は、固着具２を連結したコイルテープ１の前進を阻止しないように形成されている。すなわち、保持壁部６６は、コイルテープ１が固着具２を保持した状態で打込室２１に入るのを阻止しないように形成され、固着具２が打込まれた後の空のコイルテープ１が打込室２１から排出される（図３〜図５参照）を妨げないように形成されている。このため、保持壁部６６は、ゲート部３０のコイルテープガイド溝３７に収容されるコイルテープ１の基部６と固着具軸部３との間の空間に延びる細長い平板形状に形成されている。保持壁部６６の幅は、ゲート部３０に延びる端部６９は平テープ１０のための壁面６７を形成するだけの細い形状で、基部６と固着具軸部３との間の空間に入り易く形成され、打込室２１側の根元部分は基部６の幅に合わせて広幅に形成されて基部６を広い面積でガイドするように形成されている。保持壁部６６の打込室２１での高さ位置は、打込室２１に進入するドライバの進行を妨げない位置にあるとともに、コイルテープ１の基部６をゲート部３０のコイルテープガイド溝３７に沿わせるように案内する位置にある。これによって、コイルテープ１の打込室２１内での姿勢が適正に維持され、コイルテープ１に連結された固着具２も適正な姿勢に維持されて、ドライバによる打込み姿勢も適正であり、対象物へ適正に打込める。図１８（Ｂ）には、コイルテープ１の基部６がゲート部３０の側に案内されて、コイルテープ１が打込室２１内で適正な姿勢に維持され、コイルテープ１に連結された固着具２も適正な姿勢に維持される様子が示されている。図１９は、図１６の矢印ＩＸＸの方向から見た図であり、空のコイルテープ１及び平テープ１０が、打込室２１から排出できる空間が形成される様子を示す。保持壁部６６の周囲には、平テープ１０の排出できる空間（平テープガイド溝３５と保持壁部６６の壁面６７によって形成される空間）だけでなく、コイルテープ１の基部６が通る空間７０とタブ７が通る２つの空間７１、７３が形成されている。保持壁部６６は、空間７０、７１、７３を塞ぐことのないように、所定幅の薄い剛性の細長い板状体に形成されている。
【００２４】
かかる保持壁部６６によって、コイルテープ連結固着具の打込み時にはコイルテープの前進を妨げることがなく、平テープ連結固着具であってもコイルテープ連結固着具であってもノーズ部での打込みを適正に維持する。図２０及び図２１は、その様子を示している。図２０（Ａ）において、平テープ１０に連結された固着具２の１つが打込室２１に送られる。平テープ１０の一方の縁部は、平テープガイド溝３５に収容支持されており、他方の縁部は保持壁部６６の壁面によって支持されている。これによって、固着具２はその軸心がドライバ２２の軸心に一致した状態に保持される。図２０（Ｂ）に図示のように、ドライバ２２が固着具２の頭部５に当接してノーズ部１８の先端に移動させる。これによって、平テープ１０は、中央部分が固着具２が平テープ１０から抜け出るときに撓むが、一方の縁部が平テープガイド溝３５によって、他方の縁部が保持壁部６６の壁面によってそれぞれ支持されているので、固着具２は適正な姿勢でノーズ部１８内を前進し、平テープ１０はそのまま残り、次の固着具送り操作によって空テープ部分が打込室２１から排出される。図２１はコイルテープ１の場合を示している。図２１（Ａ）において、コイルテープ１に連結された固着具２が打込室２１に送られる。コイルテープ１は、ゲート部３０コイルテープガイド溝３７に収容されて、保持壁部６６はコイルテープ１の基部６をコイルテープガイド溝３７に沿うように案内しており、これによって、固着具２をその軸心がドライバ２２の軸心に一致した状態に保持する。次に、図２１（Ｂ）に図示のように、固着具打込機１７を動作させると、ドライバ２２が固着具２の頭部５に当接してノーズ部１８の先端に移動させる。コイルテープ１の２つのタブ７、７は、固着具２が抜け出るときに撓むが、基部６が保持壁部６６によってゲート部３０の側に規制されているので、固着具２は適正な姿勢でコイルテープ１のタブ７から抜け出してノーズ部１８内を前進する。他方、コイルテープ１は、タブ７、７に固着具のない状態で残り、次の固着具送り操作によって空テープ部分が打込室２１から排出される。
【００２５】
なお、図６及び図７の固着具送り装置１９のゲート部３０においては、図示の便宜上省略されているが、図３〜図５に図示のように、ゲート部３０には、ゲート部３０を閉じた状態に維持するロック７４が設けられている。ロック７４にはタブ７５が設けられて、矢印７７の方向に移動させることができ、ピストンシリンダ装置３３を保持するテープ送り部３１のカバー部分の穴に係合していたロック７４のロックを解除できる。かかるロックによって、ピストンシリンダ装置とゲート部３０のテープ送り機構部分との連結も確実に維持される。
【００２６】
図３〜図５を参照して、ドライバ２２で打込室２１にある固着具２を打込む動作について説明する。また、図１２〜図１５を参照して固着具２の送り動作を説明する。図３の固着具２が打込室２１にある状態は、コイルテープ１の場合が、図１２（Ａ）、（Ｂ）に示され、平テープ１０の場合が、図１４（Ａ）、（Ｂ）に示されている。固着具２が打込室２１にある状態で固着具打込機１７のトリガ（図示せず）を引いてドライバ２２を駆動する。ドライバ２２は、下方に押下げられ、固着具２をノーズ部１８の打込通路２３を通して、図４に図示のように、ノーズガイド２５から突出させ、打込対象物に打込む。打込みが終了するとトリガを釈放して、ドライバ２２がリターンチャンバ４７からの圧縮空気によって上方に復帰し始める。図５はその復帰の途中の動作を示している。図５において、リターンチャンバ４７からの圧縮空気は、ピストンシリンダ装置３３のシリンダ４２の圧縮空気入口部４６にも供給される。これによって、ピストン４３がコイルばね４９の力を越えて図５の右側の位置に移動する。図５の位置ではピストン４３は最も右側の後退位置に位置している。かかる動作位置は、コイルテープの場合が図１３（Ａ）、（Ｂ）に示され、平テープの場合が図１５（Ａ）、（Ｂ）に示されている。図１３（Ａ）において、コイルテープ送り爪３９は後退移動して、次の固着具２を打込室に送るため、基部６の次の送り穴９に係合している。このとき、コイルテープ逆止爪６１がその前の送り穴９に係合して、コイルテープ送り爪３９の後退に伴うコイルテープ１の後退を防止している。図１５（Ａ）において、第１平テープ送り爪３８及び第２平テープ送り爪４１はともに後退移動して、次の固着具２を打込室に送るため、平テープ１０の各縁部の次の送りノッチ１３に係合する用意をしている。このとき、平テープ逆止爪５９がその前方側の送りノッチ１３に係合して、平テープ送り爪３８及び４１の後退に伴う平テープ１０の後退を防止している。ドライバ２２が図３の位置に復帰して、リターンチャンバ４７からの圧縮空気がなくなると、ピストン４３はコイルばね４９の力によって図３、図１２、図１４の位置に復帰し、この復帰動作は、コイルテープ送り爪３９を前進させ、第１及び第２平テープ送り爪３８及び４１を前進させて、次の固着具２を打込室２１に配置する。以下、打込動作のたびにこの固着具送り動作を行う。
【００２７】
【発明の効果】
本発明によれば、テープガイド部とゲート部に平テープガイド溝が形成され、ゲート部にコイルテープガイド溝が形成され、ゲート部に平テープを送る平テープ送り爪とコイルテープを送るコイルテープ送り爪とが設けられ、平テープ送り爪とコイルテープ送り爪とはピストンシリンダ装置によって駆動されるので、平テープ連結固着具であってもコイルテープ連結固着具であっても１つの固着具送り装置によってノーズ部に送ることが実現でき、平テープ送り爪もコイルテープ送り爪も、固着具軸部に係合することなしに平テープ又はコイルテープに係合してテープを直接前進させているので、固着具の姿勢を適正に維持した状態で確実に所定の間隔で打込室に送ることができ、また、コイルテープ連結固着具のコイルテープは、テープガイド部上でゲート部によって覆われる給送通路を、その基部がテープガイド部側ではなくゲート部側に配置されるように送られるので、コイルテープ送り爪を固着具軸部ではなくコイルテープの基部の送り穴に係合してテープを直接前進させつつ、特開平８−１６４５０２号公報に見られるコイルテープ連結固着具の送り姿勢と同じにすることができ、更に、ピストンシリンダ装置がノーズ部又はテープガイド部に固着され、平テープ送り爪とコイルテープ送り爪とをピストンシリンダ装置の可動部に着脱可能に連結する手段が設けられているので、テープ連結固着具の装填時等に旋回させる必要のあるゲート部には、装填作業等を阻害する惧れがある重いピストンシリンダ装置がなくなる。
【００２８】
また、打込室から給送通路にゲート部に近い側に沿って延びる保持壁部が、平テープのゲート部側の縁部を保持するとともに、コイルテープの基部と固着具軸部との間の空間に延びるので、平テープ連結固着具をドライバで打込むときには保持壁部が平テープ縁部を支持して固着具を適正な姿勢に維持し、コイルテープ連結固着具の打込み時にはコイルテープの前進を妨げることがなく、平テープ連結固着具であってもコイルテープ連結固着具であってもノーズ部での打込みを適正に維持する。
【図面の簡単な説明】
【図１】コイルテープと固着具との関係を示す図であり、（Ａ）は、固着具を連結したコイルテープの固着具頭部側から見た図、（Ｂ）は、固着具を連結したコイルテープの基部側から見た図である。
【図２】平テープと固着具との関係を示す図であり、（Ａ）は、固着具を連結した平テープの固着具頭部側から見た平面図、（Ｂ）は、固着具を連結した平テープの側面側から見た図である。
【図３】静止状態にある固着具打込機のノーズ部及び固着具送り装置を示す部分断面正面図である。
【図４】打込状態にある、図３の固着具打込機のノーズ部及び固着具送り装置を示す部分断面正面図である。
【図５】復帰の途中にある、図３の固着具打込機のノーズ部及び固着具送り装置を示す部分断面正面図である。
【図６】一部の部品を除いて示す、ノーズ部及び固着具送り装置の斜視図である。
【図７】図６のゲート部を開放して示す、ノーズ部及び固着具送り装置の斜視図である。
【図８】図３のＶＩＩＩ−ＶＩＩＩ線に沿った、テープのない断面図である。
【図９】テープ送り部を説明する、一部の部品を除いて示す部分断面正面図である。
【図１０】図９のテープ送り部のピストン及び送り爪が後退したときを示す部分断面正面図である。
【図１１】ピストンシリンダ装置を示しており、（Ａ）は非動作時のピストンシリンダ装置の上方から見た断面図であり、（Ｂ）は後退動作時のピストンシリンダ装置の上方から見た断面図である。
【図１２】非動作状態にあるコイルテープ連結固着具の送りを説明する図であり、（Ａ）はゲート部及びテープガイド部の断面図、（Ｂ）はゲート部の裏面から見た、ゲート部及びピストンシリンダ装置のピストン及び可動部を示す部分断面図である。
【図１３】後退動作状態にあるコイルテープ連結固着具の送りを説明する図であり、（Ａ）はゲート部及びテープガイド部の断面図、（Ｂ）はゲート部の裏面から見た、ゲート部及びピストンシリンダ装置のピストン及び可動部を示す部分断面図である。
【図１４】非動作状態にある平テープ連結固着具の送りを説明する図であり、（Ａ）はゲート部及びテープガイド部の断面図、（Ｂ）はゲート部の裏面から見た、ゲート部及びピストンシリンダ装置のピストン及び可動部を示す部分断面図である。
【図１５】後退動作状態にある平テープ連結固着具の送りを説明する図であり、（Ａ）はゲート部及びテープガイド部の断面図、（Ｂ）はゲート部の裏面から見た、ゲート部及びピストンシリンダ装置のピストン及び可動部を示す部分断面図である。
【図１６】保持壁部を説明するノーズ部及びテープガイド部を示す正面図である。
【図１７】図１６のＸＶＩＩ−ＸＶＩＩ線断面図である。
【図１８】保持壁部とテープ連結固着具との関係を示しており、（Ａ）は平テープ連結固着具と保持壁部との関係を示す図１７と同様の図であり、（Ｂ）はコイルテープ連結固着具と保持壁部との関係を示す図１７と同様の図である。
【図１９】図１６の矢印ＩＸＸ方向から見た、ゲート部を含む図である。
【図２０】平テープ連結固着具をドライバで打込む動作を説明する図であり、（Ａ）は打込み前のノーズ部の縦断面図であり、（Ｂ）は打込んだときのノーズ部の縦断面図である。
【図２１】コイルテープ連結固着具をドライバで打込む動作を説明する図であり、（Ａ）は打込み前のノーズ部の縦断面図であり、（Ｂ）は打込んだときのノーズ部の縦断面図である。
【符号の説明】
１　コイルテープ
２　固着具
３　固着具の軸部
５　固着具の頭部
６　コイルテープの基部
７　コイルテープのタブ
９　基部の送り穴
１０　平テープ
１１　固着具用支持穴
１３　送りノッチ
１７　固着具打込機
１８　ノーズ部
１９　固着具送り装置
２１　打込室
２２　ドライバ
２３　打込通路
２５　ノーズガイド
２６　給送通路
２７　テープガイド部
２９　ピン
３０　ゲート部
３１　テープ送り部
３３　ピストンシリンダ装置
３４　平テープガイド溝
３５　平テープガイド溝
３７　コイルテープガイド溝
３８　第１平テープ送り爪
３９　コイルテープ送り爪
４１　第２平テープ送り爪
４２　シリンダ部
４３　ピストン
４５　可動部
４６　圧縮空気入口
４７　リターンチャンバ
４９　コイルばね
５４　連結手段（連結アーム）
５５　ピン
５７　連結穴
５９　平テープ逆止爪
６１　コイルテープ逆止爪
６６　保持壁部
６７　壁面
７４　ゲート部のロック[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention provides a tape connecting and fixing tool in which a fixing tool such as a nail or a screw having a head and a shaft is connected at a predetermined interval with an elongated plastic tape into a driving chamber of a nose portion of a fixing tool driving machine. The present invention relates to a fastener feeding device of a fastener driving machine.
[0002]
[Prior art]
A bar-shaped driver that sends a tape-connecting fastener in which fasteners such as nails and screws having a head and a shaft are connected at predetermined intervals by an elongated tape to a driving chamber of a nose portion of a fastener driving machine. A fastener driving machine for driving a driving object such as wood through a driving passage of a nose portion is well known. Japanese Patent Publication No. 46-4040 discloses a fastener driving machine using compressed air as a power source, wherein the fastener is a nail. The fasteners have a U-shaped cross section consisting of an intermediate base and tabs rising from both edges to hold the shank of each fastener on the head side and the tip side, and are connected. A large number of the fixing member shaft portions are connected at predetermined intervals by a plastic coil tape which can be wound in a coil shape in a state of being parallel to each other. The fasteners connected by tape are loaded into the fastener feeder of the fastener driving machine. In the fixture feeding device, a feed claw is engaged with a feed hole at the base of the coil tape, and a movable portion of the piston cylinder device is connected to the feed claw, and the piston cylinder device operates at the time of return after driving of the driver. Then, the next fastener is sent to the driving chamber of the nose portion.
[0003]
An elongated tape for connecting the fasteners at a predetermined interval is passed through the fastener shaft portion as described in JP-A-53-147160 (Japanese Patent Publication No. 57-61927) in addition to the above-described coil tape. There is also known a flat band-shaped flat tape in which support holes are formed at predetermined intervals to pass fasteners through the support holes and hold the shaft portion adjacent to the head. Japanese Unexamined Patent Publication No. Hei 11-170180 discloses a fastener driving machine for driving fasteners connected by the flat tape. If the coil tape connection fixing tool and the flat tape connection fixing tool can be driven by the same fixing tool driving machine, the trouble of transporting a heavy driving machine to a work place such as a construction site in accordance with the difference of the tape is eliminated. Gone. Further, it is convenient and desirable for the operator to be able to drive the tape connecting fasteners of different tapes without changing the fastener driving machine used.
[0004]
Japanese Utility Model Application Laid-open No. Sho 62-92170 (Japanese Utility Model Publication No. 2-8707) and Japanese Patent Application Laid-Open No. Hei 8-164502 (Japanese Patent No. 2836512) disclose a fixing tool connected by a coil tape and a predetermined distance by a wire. A fastener driving machine in which two types of connected fasteners can be used in combination is disclosed. The fastener driving machines described in these publications do not handle the fasteners connected by tapes having different shapes, but allow the wire connecting fastener and the coil tape connecting fastener to be driven by the same fastener driving machine. It was done.
[0005]
[Problems to be solved by the invention]
A fastener driving machine that can use both the wire connecting fastener and the coil tape connecting fastener is known, but a fastener driving machine that can use the coil tape connecting fastener and the flat tape connecting fastener together is not known. .
[0006]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a fastener feeder of a fastener driving machine which can feed a flat tape connection fastener or a coil tape connection fastener one by one to a driving chamber of a nose portion. It is to provide a device.
[0007]
[Means for Solving the Problems]
The fastener feeding device of the fastener driving machine according to the present invention, wherein the tape connecting fasteners in which the fasteners are connected at predetermined intervals by an elongated tape are sent one by one to a driving chamber of a nose portion of the fastener driving machine. A feed path for feeding the fastener connecting tape to the driving chamber is formed, and a tape guide portion formed integrally with the nose portion where the driving chamber is formed; A gate portion rotatably connected to the nose portion or the tape guide portion so as to be capable of being transported and openably covering the tape guide portion; and the fastener connecting tape stored in the tape guide portion to the driving chamber. A tape feeding portion for advancing the fasteners one by one; a flat tape for guiding the fasteners to pass through edges of the flat tape connected at a predetermined interval to the tape guide portion and the gate portion; The guide groove and the fixing tool were connected at a predetermined interval A coil tape guide groove for guiding the coil tape having a U-shaped cross section to pass therethrough is formed, and the flat tape guide groove accommodates the edge of the flat tape in the tape guide portion and the gate portion. A tape groove formed in the gate portion as a wide groove extending in the direction of the feed passage so as to guide the base of the coil tape; a tape feed portion; A flat tape feed claw that engages with a feed notch at an edge of the flat tape housed in the flat tape guide groove and retreats and advances to feed the flat tape at a predetermined interval; and a coil tape guide groove. A coil tape feeding claw that engages with a feed hole at the base of the coil tape accommodated in the base and retreats and advances to feed the coil tape by a predetermined interval; a flat tape feeding claw and a coil tape feeding claw Is driven by a piston cylinder device; the piston cylinder device is fixed to a nose portion or a tape guide portion, and has means for detachably connecting the flat tape feeding claw and the coil tape feeding claw to a movable portion of the piston cylinder device. It is characterized by.
[0008]
According to the fastener feeding device, the flat tape guide groove is formed in the tape guide portion and the gate portion, the coil tape guide groove is formed in the gate portion, and the flat tape feed claw and the coil tape for feeding the flat tape to the gate portion are formed. A feeding coil tape feeding claw is provided, and the flat tape feeding claw and the coil tape feeding claw are driven by a piston cylinder device. It can be fed to the nose part by the fastener feeding device, and both the flat tape feeding claw and the coil tape feeding claw engage with the flat tape or coil tape without engaging with the fixing shaft part and advance the tape directly Since the fasteners are properly maintained, they can be reliably sent to the driving chamber at predetermined intervals while maintaining the posture of the fastener properly. A means is provided which is fixed to the guide portion and which detachably connects the flat tape feeding claw and the coil tape feeding claw to the movable portion of the piston cylinder device. At a certain gate portion, there is no heavy piston-cylinder device that may hinder the loading operation or the like.
[0009]
Further, in the fastener feeding device of the fastener driving machine of the present invention, a feeding passage for feeding the fastener connecting tape to the driving chamber is formed, and is integrally formed with a nose portion in which the driving chamber is formed. A tape guide portion; a gate portion rotatably connected to the nose portion or the tape guide portion so as to accommodate the fastener connecting tape so as to be able to be fed on the feeding path and to openably cover the tape guide portion; A tape feeding section for advancing the fastener connecting tape accommodated in the tape guide portion so as to feed the fasteners one by one to the driving chamber; the tape guide portion and the gate portion are provided with the fasteners at predetermined intervals. A flat tape guide groove for guiding the edge of the connected flat tape to pass therethrough, and a coil tape guide groove for guiding the fastener to pass a coiled tape having a U-shaped cross section connected at a predetermined interval. And flat tape guide groove The tape guide portion and the gate portion are formed as narrow grooves extending in the direction of the feed passage for accommodating and guiding the edge portion of the flat tape, and the coil tape guide groove is configured to guide the base portion of the coil tape to the gate portion. The tape feed portion is formed as a wide groove extending in the direction of the feed passage; the tape feed portion engages with the feed notch at the edge of the flat tape accommodated in the flat tape guide groove, and retreats and advances. A flat tape feeding claw for feeding the tape at a predetermined interval, and a coil tape feeding claw for engaging the feeding hole at the base of the coil tape housed in the coil tape guide groove to retract and advance to feed the coil tape at a predetermined interval. The flat tape feed claw and the coil tape feed claw are driven by a piston cylinder device; the driving chamber extends toward the feed passage and extends along a side near the closed gate portion. The holding wall portion is fixed so as to hold the edge of the flat tape accommodated in the flat tape guide groove of the gate portion on the gate portion side, and the coil tape guide groove of the gate portion is fixed. Is formed so as to extend into the space between the base of the coil tape accommodated in the housing and the fixing member shaft supported by the tab.
[0010]
According to the above-mentioned fastener feeding device, it is possible to feed the flat tape connecting fastener or the coil tape connecting fastener to the nose portion by one fastener feeding device. The tape feed claw also engages with the flat tape or coil tape without engaging with the fastener shaft, and directly advances the tape. A holding wall portion that can be sent to the driving chamber at intervals and extends from the driving chamber to the feed passage along a side near the gate portion holds the edge of the flat tape on the gate portion side and a coil. Because the tape extends into the space between the base of the tape and the fastener shaft, when driving the flat tape connecting fastener with a driver, the holding wall supports the flat tape edge to maintain the fastener in the proper posture, When driving the coil tape connection fixture Without interfering with the advancement of the coil tape, to properly maintain the implant in the nose portion even coil tape connecting fasteners even flat tape connecting fastener.
[0011]
In the fixing device feeding device, the tape guide portion is provided with a second flat tape feeding claw that engages with a feeding notch of an edge portion of the flat tape housed in the flat tape guide groove and feeds the flat tape. Preferably, the two flat tape feed claws are driven by a piston cylinder device. This further ensures the feeding of the flat tape. The gate portion includes a flat tape check claw that engages a feed notch at an edge of the flat tape to prevent retraction of the flat tape, and a coil that engages with a feed hole at the base of the coil tape to prevent retraction of the coil tape. A tape check claw is provided. As a result, the tape can be reliably prevented from retreating when the flat tape feed pawl or the coil tape feed pawl retreats.
[0012]
The means for detachably connecting the flat tape feeding claw and the coil tape feeding claw to the movable portion of the piston cylinder device includes a flat tape feeding claw and a coil tape feeding claw fixed to one end and a piston fixed to the other end. A connecting arm formed with a connecting hole detachably connected to a pin formed on a movable portion of the cylinder device. The connecting hole is rotated by moving the gate from an open state to a position covering the tape guide portion. And the flat-tape feeding claw and the coil-tape feeding claw are preferably connected to the piston cylinder device.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. Prior to the description of the fixing device feeding device of the fixing device driving machine of the present invention, the coil tape connecting fixing device and the flat tape connecting fixing device will be described with reference to FIGS. The coil tape 1 is shown in FIGS. 1 (A) and 1 (B). The coil tape 1 is formed as an elongated strip of plastic and holds a large number of fasteners 2 such as nails and screws called screws in the longitudinal direction. The coil tape 1 includes an intermediate base 6 and a pair of tabs 7, 7 rising from both edges thereof so as to hold the shaft 3 of the fastener 2 on the side of the head 5 and the end. It has a U-shaped cross section. A large number of tab pairs 7 are formed at predetermined intervals in the longitudinal direction, and hold the fasteners at predetermined intervals. In the center of the base 6, a feed hole 9 is formed at a predetermined interval between the tabs 7 in the longitudinal direction, so that the tape can be advanced by a feed claw. Each tab 7 is provided with a fastener support hole, and each support hole is cut out so as to come off the tab when the fastener is driven in with a driver. The coil tape 1 can be wound in a coil shape with a large number of fasteners 2 connected and the connected fastener shafts 3 parallel to each other. For example, in FIG. 1 (A), if the right end of the coil tape is lifted and wound around the left end, the coil tape 1 to which a long fixing tool is connected can be wound into a coil shape. The fixing tool connecting tape in a shape of a drum can be stored in a drum-shaped magazine. Since it can be wound in a coil shape in this way, it is called a coil tape. Japanese Patent Publication No. 46-4040 discloses a coil tape wound in the opposite direction to that described above.
[0014]
FIGS. 2A and 2B show a flat tape 10. The flat tape 10 is formed as an elongated flat strip of plastic. At the center in the width direction of the flat tape 10, support holes 11 through which the shaft portion 3 of the fixing tool 2 passes are formed at predetermined intervals in the longitudinal direction. The shaft portion 3 of the fastener 2 is inserted into the support hole 11, and the shaft portion adjacent to the head 5 is supported by the support hole 11, and a large number of the fasteners 2 are connected at predetermined intervals. . Feed notches 13 are formed at both edges of the flat tape 1 at predetermined intervals in the support holes 11 in the longitudinal direction to enable the feed claw to advance the tape. The support hole 11 is formed in a cylindrical shape (see FIG. 2B) projecting from a flat tape surface so as to support the fixing member shaft portion 3. Four radial grooves 14 are formed around the support holes 11 so that the supported fasteners come off the support holes 11 when driven by a driver, and each groove 14 has a cylindrical support. It extends to the hole 11. When the fixing tool 2 supported by the support hole 11 is driven by a driver, the head 5 of the fixing tool 2 is pushed out while expanding the support hole 11 from the groove 14, and the head 5 further extends into the groove extending to the support hole 11. The tubular portion of the support hole 11 is torn by applying a force to push the spreader 14, and the fixing tool 2 comes out of the support hole 11 and is driven into the object. When the driver drives the fixing tool 2, the edges on both sides of the tape 10 (the edges where the feed notch 13 is formed) are held so as not to bend by the driving force of the driver.
[0015]
The fastener feeding device of the present invention can feed both the fasteners connected by the coil tape 1 and the fasteners by the flat tape 10. 3 to 5 show a fastener feeding device 19 according to an embodiment of the present invention, which is provided on a nose portion 18 of a fastener driving machine 17. FIG. 3 shows a state before the fastener driving machine 17 performs a driving operation. One fastener 2 is sent to the driving chamber 21 of the nose portion 18, and a driver is located above the fastener 2. There is a tip of 22 so that it can be driven. FIG. 4 shows a state in which the fastener driving machine 17 is performing a driving operation and the driver 22 is driving the fastener 2. The tip of the driver 22 is held by the coil tape 1 and the driving chamber is driven. The fixing tool 2, which was located at 21, is driven from a nose guide 25 through a driving passage 23 of the nose portion 18 to a target to be driven such as wood. In addition, the nose guide 25 holds the fixing tool 2 so that the fixing tool 2 can be vertically driven into the driving target. FIG. 5 shows a state in which the fastener driving machine 18 has completed the driving operation and the driver 22 is returning to the position before the driving. In FIGS. 3 to 5, the fasteners 2 connected by the coil tape 1 are used, but in the present invention, the fasteners connected by the flat tape 10 can also be used. The structure of the entire driving machine including the main cylinder, the main piston, the trigger mechanism and the like of the fastener driving machine 17 and the details of its operation are well known and will not be described. For details thereof, refer to, for example, JP-A-11-170180.
[0016]
The entire fastener feeding device 19 and nose portion 18 shown in FIGS. 3 to 5 are also shown in FIGS. 6 and 7. With reference to FIG. 3 to FIG. 7, the fastener feeding device 19 according to the present invention will be described. The fixing device feeding device 19 includes a tape guide portion 27 formed integrally with the nose portion 18 by forming a feeding passage 26 for transmitting the fixing device connecting tape 1 (or 10) to the driving chamber 21. A gate portion 30 pivotally connected to the nose portion 18 by a pin 29 at a position adjacent to the driving chamber 21 so as to openably cover the driving chamber 21. The gate section 30 may be connected to the tape guide section 27 instead of the nose section 18. The fixing device feeding device 19 further includes a tape feeding unit 31 that advances the fixing device connecting tape 1 (or 10) accommodated in the tape guide unit 27 to the driving chamber 21 such that the fixing devices are fed one by one. The tape feeding section 31 is provided separately on the side of the gate section 30 and the side of the nose section 18. Provided on the side of the gate portion 30 is a tape feeding mechanism portion that does not make the gate portion 30 heavy, and provided on the side of the nose portion 18 is a heavy and bulky portion including the piston cylinder device 33. The two parts are connected by connecting means.
[0017]
8 to 11 in addition to FIGS. 3 to 7. FIG. 8 is a sectional view taken along the line VIII-VIII of FIG. 3 without a tape portion, FIG. 9 shows a state where the tape feeding section 31 is at rest, and FIG. FIG. 11 shows a state of the tape feeding operation of the section 31, and FIG. 11 shows a piston cylinder device 33. The fastener feeding device 19 will be described with reference to FIGS. First, the tape feeding mechanism provided on the side of the gate unit 30 of the tape feeding unit 31 will be described. As shown in FIG. 8, the gate portion 30 is formed with a thin flat tape guide groove 34 extending in the direction of the feeding passage for accommodating and guiding one edge of the flat tape 10 to pass therethrough. At the position of the tape guide portion 27 facing the flat tape guide groove 34, a thin flat tape guide groove 35 extending in the feed path direction is formed so as to be accommodated and guided so as to pass through the other edge of the flat tape 10. And is paired with the flat tape guide groove 34. In the gate portion 30, a coil tape guide groove 37 for guiding the base 6 of the coil tape 1 so as to pass along the gate portion 30 extends in the feeding passage direction as a wide groove corresponding to the width of the base 6. Is formed.
[0018]
As shown in FIGS. 9 and 10, the tape feed portion 31 is engaged with the gate portion 30 by the feed notch 13 at the edge of the flat tape 10 housed in the flat tape guide groove 34 and retreats and advances. The first flat tape feed claw 38 for feeding the flat tape by a predetermined distance and the feed hole 9 of the base 6 of the coil tape 1 housed in the coil tape guide groove 37 to retreat and advance to move the flat tape. And a coil-tape feeding claw 39 for feeding 1 at a predetermined interval. A second flat tape that engages with the feed notch 13 at the edge of the flat tape 10 housed in the flat tape guide groove 35 and retreats and advances to feed the flat tape at a predetermined interval to the tape guide portion 27; A feed claw 41 is provided. The flat-tape feeding claws 38 and 41 and the coil-tape feeding claw 39 are driven by a piston cylinder device 33. 12 and 13 when the gate portion 30 is viewed from the back side, the coil tape feeding claws 39 are shown. When the gate portion 30 is viewed from the back side, FIGS. The claws 38 and the second flat tape feed claws 41 are shown, so refer to these figures as well. The first flat tape feed claw 38, the second flat tape feed claw 41, and the coil tape feed claw 39 are retracted once from the rest position of FIG. 9 to the position of FIG. Advance to position. As shown in FIGS. 3 to 6, the piston cylinder device 33 is fixed by being integrally formed or connected to the nose portion 18. FIG. 11 is a cross-sectional view of the piston cylinder device 33 of FIG. 9 taken along line XI-XI.
[0019]
Referring mainly to FIGS. 9 to 11, the piston cylinder device 33 is formed integrally with the piston 43, the cylinder 43 fixed to the nose portion 18, the piston 43 reciprocally housed in the cylinder 42. And a movable portion 45 formed in a cylindrical shape on the outer peripheral surface of the cylinder portion 42. The cylinder portion 42 is provided with a compressed air inlet 46 so that compressed air is supplied from a return chamber 47 (see FIGS. 3 to 5) of the fastener driving machine 17. A coil spring 49 that presses the piston 43 in the cylinder portion 42 is in contact with the piston 43 so that the piston 43 is at a rest position where the volume in the cylinder is minimized in the absence of the compressed air. The coil spring 49 is supported by a rod 51 extending from a support 50 fixed to the nose 18. As shown in FIG. 11, in the embodiment, two sets of the coil spring 49 and the rod 51 are provided corresponding to the piston 43 having the elliptical cross-section and the shape matching the cylinder portion 42 having the elliptical cross-section. However, it goes without saying that one set may be used. When the compressed air from the return chamber is supplied to the compressed air inlet 46 as shown in FIG. 10 or FIG. 11B, the piston 43 resists the force of the coil spring 49 and the arrow 53 (and FIG. As shown by an arrow 53 in FIG. 11B, the movable part 45 moves rightward and the movable part 45 moves rightward. By this movement, the first flat tape feeding claw 38, the coil tape feeding claw 39, and the second flat tape feeding claw 41 are moved from the rest position in FIG. 9 to the position in FIG.
[0020]
For this movement, there is provided means for detachably connecting the first flat tape feeding claw 38 and the coil tape feeding claw 39 to the movable portion 45 of the piston cylinder device 33. The connecting means is a connecting arm 54. The connecting arm 54 is shown in FIGS. 3-7 and is shown in FIG. 9 with the connection disconnected for convenience of illustration. The connecting arm 54 is formed substantially in an L-shape, and a first flat tape feeding claw 38 and a coil tape feeding claw 39 are fixed to a portion on one end side of the connecting arm 54. A connection hole 57 is formed in a portion on the other end side of the connection arm 54 so as to be detachably connected to a pin 55 formed on the movable portion 45 of the piston cylinder device 33. Since the connecting arm 54 is fixed to the first flat tape feeding claw 38 and the coil tape feeding claw 39, the connecting arm 54 is supported by the gate 30 as a whole, and the tape guide is opened from the opened state (FIG. 7). When pivoted to a position covering the portion 27 (FIG. 6), the connection hole 57 at the other end of the connection arm 54 is automatically inserted into the pin 55 of the movable portion 45 of the piston cylinder device 33. As a result, the first flat tape feeding claw 38 and the coil tape feeding claw 39 are connected to the movable portion 45 of the piston cylinder device 33, and the movement of the movable portion causes the two feeding claws to move backward and forward. Therefore, even if the gate portion 30 is formed to be freely rotatable and the gate portion 30 is provided with the first flat tape feeding claw 38 and the coil tape feeding claw 39, the double feeding is performed only by closing the gate portion 30. The pawl can be connected to the piston cylinder device 33. The gate portion 30 that needs to be turned at the time of loading the tape connection fixing tool or the like does not have a heavy piston cylinder device, and does not increase the burden on the operator when operating the gate portion 30. Since the second flat tape feed claw 41 is a feed claw provided on the side of the fixed tape guide portion 27, the arm-shaped portion of the second flat tape feed claw 41 is attached to the movable portion 45 of the piston cylinder device 33. They are directly connected (FIGS. 9 and 10).
[0021]
The gate portion 30 engages with the feed notch 13 at the edge of the flat tape 10 to prevent the flat tape from retreating, and engages with the feed hole 9 in the base 6 of the coil tape 1 by engaging with the feed hole 9. A coil tape check pawl 61 for preventing the coil tape from retreating is provided. These flat tape check nails 59 and coil tape check nails 61 are shown in FIGS. 9 and 10 and FIGS. 12 to 15. The flat tape check nail 59 and the coil tape check nail 61 are engaged with the flat tape 10 and the coil tape 1 when the first flat tape feed nail 38, the second flat tape feed nail 41, and the coil tape feed nail 39 are retracted, respectively. It is intended to prevent retreating together. Referring to FIGS. 12 and 13, the coil tape check pawl 61 does not move in the feeding path direction, but is pivotally supported by an intermediate pin 62 so as to allow the coil tape 1 to move forward and prevent the coil tape 1 from moving backward. A coil spring 63 is provided at the end opposite to the end with the claw, and the end of the coil tape check claw 61 is spring-biased so as to engage with the feed hole 9 of the base 6 of the coil tape 1. ing. The flat tape check pawl 59 does not move in the direction of the feeding passage as shown in FIGS. 14 and 15, but is located in the driving chamber 21 so as to allow the flat tape 10 to advance and to prevent retreat. It is provided at a position where it engages with the feed notch 13 of the flat tape portion. In particular, as shown in FIGS. 14 (A) and 15 (A), a coil spring 65 is provided at each of the front end and the rear end, and one of the feed notches 13 before and after one fastener 2 is always provided. So that they engage. The flat tape check pawl 59 and the coil tape check pawl 61 can reliably prevent the tape from retreating when the flat tape feed pawls 38 and 41 are retracted or when the coil tape feed pawl 39 is retracted. to be certain.
[0022]
FIG. 16 shows the driving chamber 21 with the gate section 30 removed. In the driving chamber 21, a holding wall 66 is formed integrally with the nose portion 18 and extends from the wall forming the driving chamber 21 toward the feed passage 26 of the tape guide 27. FIG. 17 is a cross-sectional view taken along the line XVII-XVII of FIG. 16, and the holding wall 66 is formed so as to extend not along the tape guide 27 but along the closed gate 30. . The holding wall 66 holds the edge of the flat tape 10 on the side of the gate 30 in the driving chamber 21, and when the fixing tool 2 connected to the flat tape 10 is driven, the fixing tool 2 is removed from the flat tape 10 by a driver. Ensure that you are driven in the right posture. For this reason, as shown in FIG. 16, the holding wall portion 66 connects the wall surface 67 of the groove on the side facing the flat tape guide groove 35 of the tape guide portion 27 to the driving chamber from the flat tape guide groove 34 of the gate portion 30. 21 is formed. Even if the flat tape guide groove 34 on the gate portion 30 side cannot secure a sufficient depth in the driving chamber 21 due to the presence of the flat tape check claw 59, the flat tape 10 is reliably formed by the wall surface 67 of the holding wall portion 66. And the edge of the flat tape 10 on the side of the tape guide portion 27 is securely held by the flat tape guide groove 35. Thereby, even if the fixing tool 2 is driven by the driver, the posture of the flat tape 10 is appropriately maintained, and the driving in the proper posture is ensured. FIG. 18A shows that the edge of the flat tape 10 on the side of the tape guide 27 is securely held by the flat tape guide groove 35, and the edge of the flat tape 10 on the side of the gate 30 is securely held by the wall 67 of the holding wall 66. It is shown that it is held in.
[0023]
Further, the holding wall portion 66 is formed so as not to prevent the coil tape 1 to which the fixing tool 2 is connected from advancing. That is, the holding wall portion 66 is formed so as not to prevent the coil tape 1 from entering the driving chamber 21 while holding the fixing tool 2, and the empty coil tape 1 after the fixing tool 2 is driven. Is formed so as not to hinder discharge from the driving chamber 21 (see FIGS. 3 to 5). For this reason, the holding wall portion 66 is formed in an elongated flat plate shape extending in the space between the base portion 6 of the coil tape 1 and the fixing member shaft portion 3 housed in the coil tape guide groove 37 of the gate portion 30. The width of the holding wall portion 66 is such that the end portion 69 extending to the gate portion 30 is thin enough to form the wall surface 67 for the flat tape 10 and easily enters the space between the base portion 6 and the fastener shaft portion 3. The base portion on the side of the driving chamber 21 is formed to have a wide width corresponding to the width of the base portion 6 so as to guide the base portion 6 over a wide area. The height position of the holding wall portion 66 in the driving chamber 21 is at a position where the advance of the driver entering the driving chamber 21 is not hindered, and the base 6 of the coil tape 1 is connected to the coil tape guide groove 37 of the gate portion 30. It is in a position to guide you along. As a result, the posture of the coil tape 1 in the driving chamber 21 is properly maintained, the fastener 2 connected to the coil tape 1 is also maintained in the proper posture, and the driving posture of the driver is also proper. Can be properly driven into things. In FIG. 18B, the base 6 of the coil tape 1 is guided to the side of the gate portion 30 so that the coil tape 1 is maintained in a proper posture in the driving chamber 21 and is fixed to the coil tape 1. The state in which the tool 2 is also maintained in an appropriate posture is shown. FIG. 19 is a view as seen from the direction of arrow IXX in FIG. 16, and shows a state where a space where empty coil tape 1 and flat tape 10 can be discharged from driving chamber 21 is formed. Around the holding wall 66, not only a space where the flat tape 10 can be discharged (a space formed by the flat tape guide groove 35 and the wall surface 67 of the holding wall 66), but also a space 70 through which the base 6 of the coil tape 1 passes. And two spaces 71 and 73 through which the tab 7 passes. The holding wall portion 66 is formed in a thin, rigid, elongated plate-like body having a predetermined width so as not to block the spaces 70, 71, 73.
[0024]
The holding wall portion 66 does not hinder the advance of the coil tape at the time of driving of the coil tape connecting / fixing tool, so that the flat tape connecting fixing tool or the coil tape connecting / fixing tool can be properly driven at the nose portion. To maintain. FIG. 20 and FIG. 21 show this state. In FIG. 20A, one of the fasteners 2 connected to the flat tape 10 is sent to the driving chamber 21. One edge of the flat tape 10 is accommodated and supported in the flat tape guide groove 35, and the other edge is supported by the wall surface of the holding wall 66. Thus, the fixing tool 2 is held in a state where its axis coincides with the axis of the driver 22. As shown in FIG. 20B, the driver 22 contacts the head 5 of the fixing tool 2 and moves to the tip of the nose portion 18. As a result, the flat tape 10 bends when the fastener 2 comes out of the flat tape 10 at the center, but one edge is formed by the flat tape guide groove 35 and the other edge is formed by the wall surface of the holding wall 66. Since the fixing tools 2 are supported, the fixing tool 2 advances in the nose portion 18 in a proper posture, the flat tape 10 remains as it is, and the empty tape portion is discharged from the driving chamber 21 by the next fixing tool feeding operation. FIG. 21 shows the case of the coil tape 1. In FIG. 21A, the fixing tool 2 connected to the coil tape 1 is sent to the driving chamber 21. The coil tape 1 is accommodated in the coil tape guide groove 37 of the gate 30, and the holding wall 66 guides the base 6 of the coil tape 1 along the coil tape guide groove 37. Is maintained in a state where its axis coincides with the axis of the driver 22. Next, as shown in FIG. 21B, when the fastener driving device 17 is operated, the driver 22 comes into contact with the head 5 of the fastener 2 and moves to the tip of the nose portion 18. The two tabs 7, 7 of the coil tape 1 bend when the fastener 2 comes out, but since the base portion 6 is regulated by the holding wall 66 toward the gate 30, the fastener 2 has an appropriate posture. To move out of the tab 7 of the coil tape 1 and advance in the nose portion 18. On the other hand, the coil tape 1 remains without any fasteners on the tabs 7, 7, and the empty tape portion is discharged from the driving chamber 21 by the next fastening tool feeding operation.
[0025]
6 and 7, the gate portion 30 of the fastener feeding device 19 is omitted for convenience of illustration, but as shown in FIGS. 3 to 5, the gate portion 30 is provided with the gate portion 30. A lock 74 is provided to keep it closed. The lock 74 is provided with a tab 75, which can be moved in the direction of the arrow 77, and unlocks the lock 74 engaged with the hole of the cover portion of the tape feed unit 31 holding the piston cylinder device 33. it can. By such a lock, the connection between the piston cylinder device and the tape feed mechanism portion of the gate section 30 is reliably maintained.
[0026]
With reference to FIGS. 3 to 5, an operation of driving the fixing tool 2 in the driving chamber 21 by the driver 22 will be described. The feeding operation of the fixing tool 2 will be described with reference to FIGS. FIGS. 12A and 12B show the state where the fastener 2 in FIG. 3 is in the driving chamber 21 in the case of the coil tape 1 and FIGS. 14A and 14B in the case of the flat tape 10. B). The driver 22 is driven by pulling a trigger (not shown) of the fastener driving machine 17 with the fastener 2 in the driving chamber 21. The driver 22 is pushed down to project the fixing tool 2 from the nose guide 25 through the driving passage 23 of the nose portion 18 as shown in FIG. When the driving is completed, the trigger is released, and the driver 22 starts to return upward by the compressed air from the return chamber 47. FIG. 5 shows the operation during the return. 5, the compressed air from the return chamber 47 is also supplied to the compressed air inlet 46 of the cylinder 42 of the piston cylinder device 33. As a result, the piston 43 moves to the right position in FIG. 5 beyond the force of the coil spring 49. In the position of FIG. 5, the piston 43 is located at the rightmost retreat position. Such operating positions are shown in FIGS. 13A and 13B for the case of the coil tape, and FIGS. 15A and 15B for the case of the flat tape. In FIG. 13 (A), the coil tape feeding claw 39 moves backward and engages with the next feeding hole 9 of the base 6 to send the next fixing tool 2 to the driving chamber. At this time, the coil tape check pawl 61 is engaged with the feed hole 9 in front of it, thereby preventing the coil tape 1 from retreating due to the retreat of the coil tape feed pawl 39. In FIG. 15 (A), the first flat tape feeding claw 38 and the second flat tape feeding claw 41 are both moved backward to feed the next fixing tool 2 to the driving chamber. It is ready to engage the next feed notch 13. At this time, the flat tape check pawl 59 is engaged with the feed notch 13 on the front side to prevent the flat tape 10 from retreating due to the retreat of the flat tape feed claws 38 and 41. When the driver 22 returns to the position shown in FIG. 3 and the compressed air from the return chamber 47 disappears, the piston 43 returns to the position shown in FIGS. Then, the coil tape feeding claw 39 is advanced, and the first and second flat tape feeding claws 38 and 41 are advanced, and the next fastener 2 is arranged in the driving chamber 21. Hereinafter, this fixing tool feeding operation is performed every time the driving operation is performed.
[0027]
【The invention's effect】
According to the present invention, a flat tape guide groove is formed in a tape guide portion and a gate portion, a coil tape guide groove is formed in a gate portion, a flat tape feeding claw for feeding a flat tape to a gate portion, and a coil tape for feeding a coil tape. A feed claw is provided, and the flat tape feed claw and the coil tape feed claw are driven by a piston cylinder device. The device can be fed to the nose part, and both the flat tape feeding claw and the coil tape feeding claw engage with the flat tape or the coil tape without engaging with the fixing member shaft portion and directly advance the tape. Therefore, it is possible to reliably send the fastener to the driving chamber at predetermined intervals in a state where the posture of the fastener is properly maintained. The feeding path covered by the gate on the door is sent so that its base is located on the gate side instead of the tape guide side, so the coil tape feed claw is not the fixing tool shaft but the coil tape. While the tape is directly advanced by engaging with the feed hole of the base, the feed posture of the coil tape connecting and fixing tool as disclosed in Japanese Patent Application Laid-Open No. 8-164502 can be made the same, and the piston-cylinder device has a nose portion. Alternatively, there is provided a means fixedly attached to the tape guide portion for detachably connecting the flat tape feeding claw and the coil tape feeding claw to the movable portion of the piston cylinder device. A heavy piston-cylinder device that may hinder the loading operation or the like is eliminated from the necessary gate portion.
[0028]
Further, a holding wall portion extending from the driving chamber to the feeding passage along a side near the gate portion holds the edge of the flat tape on the gate portion side, and at the same time, between the base portion of the coil tape and the fixing member shaft portion. The holding wall supports the flat tape edge to maintain the fastener in a proper posture when driving the flat tape connecting fastener with a driver, and the coil tape connecting fastener is driven when driving the coil tape connecting fastener. The forward movement is not hindered, and the driving at the nose portion is properly maintained regardless of whether it is a flat tape connection fixing tool or a coil tape connection fixing tool.
[Brief description of the drawings]
1A and 1B are diagrams showing a relationship between a coil tape and a fixing device, wherein FIG. 1A is a view of the coil tape to which the fixing device is connected as viewed from the fixing device head side, and FIG. FIG. 5 is a view of the coil tape seen from the base side.
FIGS. 2A and 2B are diagrams showing a relationship between a flat tape and a fixing device, wherein FIG. 2A is a plan view of the flat tape to which the fixing device is connected as viewed from the fixing device head side, and FIG. It is the figure seen from the side of the connected flat tape.
FIG. 3 is a partial cross-sectional front view showing a nose portion and a fastener feeding device of the fastener driving machine in a stationary state.
4 is a partial sectional front view showing a nose portion and a fastener feeding device of the fastener driving machine of FIG. 3 in a driving state.
5 is a partial cross-sectional front view showing the nose portion and the fastener feeding device of the fastener driving machine of FIG. 3 during the return.
FIG. 6 is a perspective view of the nose portion and the fastener feeding device, excluding some parts.
FIG. 7 is a perspective view of the nose portion and the fixture feeding device, showing the gate portion of FIG. 6 open.
FIG. 8 is a sectional view without a tape, taken along line VIII-VIII of FIG. 3;
FIG. 9 is a partial cross-sectional front view illustrating a tape feeding unit and excluding some components.
FIG. 10 is a partial cross-sectional front view showing a state in which a piston and a feed claw of the tape feed unit of FIG. 9 are retracted.
11A and 11B show a piston cylinder device, in which FIG. 11A is a cross-sectional view as viewed from above the piston cylinder device during non-operation, and FIG. 11B is a cross-sectional view as viewed from above the piston cylinder device during retraction operation. FIG.
FIGS. 12A and 12B are diagrams illustrating feeding of the coil tape connecting and fixing tool in a non-operating state, in which FIG. 12A is a cross-sectional view of a gate portion and a tape guide portion, and FIG. FIG. 4 is a partial cross-sectional view illustrating a part and a piston and a movable part of the piston cylinder device.
FIGS. 13A and 13B are diagrams for explaining feeding of the coil tape connecting and fixing tool in a retreating operation state, wherein FIG. 13A is a cross-sectional view of a gate portion and a tape guide portion, and FIG. FIG. 4 is a partial cross-sectional view illustrating a part and a piston and a movable part of the piston cylinder device.
FIGS. 14A and 14B are diagrams illustrating the feeding of the flat tape connecting / fixing tool in a non-operating state, wherein FIG. 14A is a cross-sectional view of a gate portion and a tape guide portion, and FIG. FIG. 4 is a partial cross-sectional view illustrating a part and a piston and a movable part of the piston cylinder device.
FIGS. 15A and 15B are diagrams illustrating the feeding of the flat tape connecting / fixing tool in the retreat operation state, wherein FIG. 15A is a cross-sectional view of the gate portion and the tape guide portion, and FIG. FIG. 4 is a partial cross-sectional view illustrating a part and a piston and a movable part of the piston cylinder device.
FIG. 16 is a front view showing a nose portion and a tape guide portion for explaining a holding wall portion.
17 is a sectional view taken along line XVII-XVII in FIG.
18A and 18B show the relationship between the holding wall and the tape connecting and fixing tool, and FIG. 18A is a view similar to FIG. 17 showing the relationship between the flat tape connecting and fixing tool and the holding wall, and FIG. FIG. 18 is a view similar to FIG. 17 showing a relationship between the coil tape connection fixing tool and the holding wall portion.
FIG. 19 is a diagram including a gate portion, as viewed from the direction of arrow IXX in FIG. 16;
20A and 20B are diagrams illustrating an operation of driving the flat tape connecting and fixing tool with a driver, wherein FIG. 20A is a longitudinal sectional view of a nose portion before driving, and FIG. It is a longitudinal cross-sectional view.
21A and 21B are diagrams illustrating an operation of driving a coil tape connecting / fixing tool with a driver, wherein FIG. 21A is a longitudinal sectional view of a nose portion before driving, and FIG. It is a longitudinal cross-sectional view.
[Explanation of symbols]
1 coil tape
2 Fixture
3 Shaft of fastener
5 Head of the fixture
6 Base of coil tape
7 Coil tape tab
9 Base sprocket hole
10 flat tape
11 Fixing holes for fixtures
13 Feed notch
17 Fixture driving machine
18 Nose section
19 Fixture feeder
21 Driving room
22 Driver
23 Driving passage
25 Nose Guide
26 Feeding passage
27 Tape guide
29 pins
30 Gate
31 Tape feed unit
33 Piston cylinder device
34 Flat tape guide groove
35 Flat tape guide groove
37 Coil tape guide groove
38 1st Flat Tape Feed Claw
39 Coil tape feed claw
41 2nd flat tape feed claw
42 cylinder
43 piston
45 Moving parts
46 Compressed air inlet
47 Return chamber
49 Coil spring
54 Connecting means (connecting arm)
55 pins
57 Connecting hole
59 Flat tape check claw
61 Coil tape check claw
66 Holding wall
67 walls
74 Gate Lock

Claims

A tape connecting fastener comprising a head and a shaft extending from the head, such as a nail or a screw, connected at a predetermined interval by an elongated tape is inserted into a driving chamber of a nose portion of the fastener driving machine. In the fastener feeding device of the fastener driving machine that feeds books one by one,
A feed passage for feeding the tape connecting the plurality of fixing tools to the driving chamber is formed, and a tape guide part formed integrally with a nose part where the driving chamber is formed,
A gate portion for accommodating the fixing tool connecting tape so as to be able to be fed on the feeding path, wherein the gate is rotatably connected to the nose portion or the tape guide portion so as to openably cover the tape guide portion. Department and
A tape feeder for advancing the fastener connecting tape housed in the tape guide portion so as to feed the fasteners one by one to the driving chamber;
The tape guide portion and the gate portion are provided with support holes through which the fastener shafts are formed at the predetermined intervals, and support the shaft portion adjacent to the fastener head with the support holes. A flat tape guide groove for guiding the edge portion of the flat band-shaped flat tape to pass therethrough, and an intermediate portion for holding the shaft portion of each fastener at the head side and the tip side. A coil tape having a U-shaped cross section composed of a base portion and tabs rising from both edges thereof, and capable of winding a plurality of connected fastener shaft portions in a coil shape in a state of being parallel to each other. A coil tape guide groove for guiding the tape tape to pass therethrough, and the flat tape guide groove accommodates and guides the edge of the flat tape to the tape guide portion and the gate portion, and feeds the tape. It is formed as a narrow groove extending in the passage direction, Guide groove, the gate portion is formed as a wide groove extending in the feeding passage direction so as to guide the base of the coil tape,
The tape feeder is configured to engage the feed notch at the edge of the flat tape accommodated in the flat tape guide groove with the gate, and to retreat and advance the flat tape to feed the flat tape by the predetermined interval. A feed claw, and a coil tape feed claw that engages with a feed hole of the base of the coil tape accommodated in the coil tape guide groove, retreats and advances to feed the coil tape by the predetermined interval, The flat tape feed claw and the coil tape feed claw are driven by a piston cylinder device,
The piston cylinder device is fixed to the nose portion or the tape guide portion formed integrally with the nose portion, and the flat tape feeding claw and the coil tape feeding claw are detachably attached to a movable portion of the piston cylinder device. A fastener feeding device comprising a connecting means.

A tape connecting fastener comprising a head and a shaft extending from the head, such as a nail or a screw, connected at a predetermined interval by an elongated tape is inserted into a driving chamber of a nose portion of the fastener driving machine. In a fastener feeding device of a fastener driving machine for feeding a book one at a time, a feeding passage for feeding the tape connecting a plurality of fasteners to the driving chamber is formed, and the feeding passage is formed integrally with a nose portion in which the driving chamber is formed. A tape guide portion formed on the
A gate portion for accommodating the fixing tool connecting tape so as to be able to be fed on the feeding path, wherein the gate is rotatably connected to the nose portion or the tape guide portion so as to openably cover the tape guide portion. Department and
A tape feeder for advancing the fastener connecting tape housed in the tape guide portion so as to feed the fasteners one by one to the driving chamber;
The tape guide portion and the gate portion are provided with support holes through which the fastener shafts are formed at the predetermined intervals, and support the shaft portion adjacent to the fastener head with the support holes. A flat tape guide groove for guiding the edge portion of the flat band-shaped flat tape to pass therethrough, and an intermediate portion for holding the shaft portion of each fastener at the head side and the tip side. A coil tape having a U-shaped cross section composed of a base portion and tabs rising from both edges thereof, and capable of winding a plurality of connected fastener shaft portions in a coil shape in a state of being parallel to each other. A coil tape guide groove for guiding the tape tape to pass therethrough, and the flat tape guide groove accommodates and guides the edge of the flat tape to the tape guide portion and the gate portion, and feeds the tape. It is formed as a narrow groove extending in the passage direction, Guide groove, the gate portion is formed as a wide groove extending in the feeding passage direction so as to guide the base of the coil tape,
The tape feeder is configured to engage the feed notch at the edge of the flat tape accommodated in the flat tape guide groove with the gate, and to retreat and advance the flat tape to feed the flat tape by the predetermined interval. A feed claw, and a coil tape feed claw that engages with a feed hole of the base of the coil tape accommodated in the coil tape guide groove, retreats and advances to feed the coil tape by the predetermined interval, The flat tape feed claw and the coil tape feed claw are driven by a piston cylinder device,
A holding wall portion extending toward the feed passage and extending along a side close to the closed gate portion is fixed to the driving chamber, and the holding wall portion is provided with the flat tape guide groove of the gate portion. The flat tape accommodated in the gate portion is formed so as to hold an edge on the gate portion side, and is supported by the base and the tab of the coil tape accommodated in the coil tape guide groove of the gate portion. A fastener feeding device formed so as to extend into a space between the fastener shaft portion.

3. The fixing device feeding device according to claim 1, wherein the flat tape guide portion is configured to engage with a feeding notch of an edge portion of the flat tape housed in the flat tape guide groove to retreat and advance to feed the flat tape. A fastener feeding device, wherein a second flat tape feeding claw is provided for feeding by the predetermined interval, and the second flat tape feeding claw is driven by the piston cylinder device.

The fastener feeding device according to any one of claims 1 to 3, wherein the gate portion engages with the feed notch of an edge portion of the flat tape received in the flat tape guide groove. And a coil tape check claw that engages with the feed hole of the coil tape base accommodated in the coil tape guide groove to prevent the coil tape from retreating. A fastener feeding device, characterized in that:

2. The fixing device feeding device according to claim 1, wherein the means for detachably connecting the flat tape feeding claw and the coil tape feeding claw to a movable portion of a piston cylinder device is a connecting arm, and one end of the connecting arm is provided. The flat tape feeding claw and the coil tape feeding claw are fixed to the portion, and a connection hole detachably connected to a pin formed on a movable portion of the piston cylinder device is provided at the other end of the connection arm. When the gate portion is turned from the open state to a position covering the tape guide portion, the connection hole at the other end of the connection arm is inserted into the pin, and the flat tape feed claw and the coil tape are inserted. A fastener feeding device, wherein a feeding claw is connected to the piston cylinder device.