JP2003165068A - ステープラーにおける駆動モータ用制御デバイス - Google Patents

ステープラーにおける駆動モータ用制御デバイス

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Publication number
JP2003165068A
JP2003165068A JP2002292273A JP2002292273A JP2003165068A JP 2003165068 A JP2003165068 A JP 2003165068A JP 2002292273 A JP2002292273 A JP 2002292273A JP 2002292273 A JP2002292273 A JP 2002292273A JP 2003165068 A JP2003165068 A JP 2003165068A
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Prior art keywords
control device
drive motor
staple
motor
drive
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JP4472243B2 (ja
Inventor
Mats Holgersson
マッツ・ホルガーソン
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Isaberg Rapid AB
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Isaberg Rapid AB
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
    • B27F7/00—Nailing or stapling; Nailed or stapled work
    • B27F7/17—Stapling machines
    • B27F7/30—Driving means
    • B27F7/36—Driving means operated by electric power

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

(57)【要約】 【課題】ステープラーにおける駆動モータ用制御デバイ
ス 【解決手段】ステープラー内に組み込まれる電気駆動モ
ーター(２)を、マイクロプロセッサーによって、制御す
るための制御デバイス。モーターの駆動軸(９)は、ステ
ープル駆動機構を、規定された出発ポイントと逆転ポイ
ントを備える前進移動と後退移動を行うように駆動し、
駆動機構は、その前進移動中に、１つのステープルを加
工対象物内へと駆動し、制御デバイスは、駆動軸(９)の
回転速度と、駆動軸が出発ポイントから完結した延べ回
転数とを感知するセンサーを備え、感知情報をマイクロ
プロセッサーに送り、プロセッサーは、取得した情報を
知られた態様で分析して、駆動モーター(２)への電流の
供給を制御する制御信号を発生し、駆動軸の回転速度が
管理される。

Description

【発明の詳細な説明】
【０００１】
【発明の属する技術分野】この発明は、マイクロプロセ
ッサーによって、ステープラー中に組み込まれ、その駆
動軸が、ステープルの駆動機構を前進移動と後退移動す
るように駆動する電気駆動モーターを制御するための制
御用デバイスに関する。この移動は、出発と逆転のポイ
ントを規定しており、その前方への移動を行う間に、ス
テープル駆動機構は、ステープルを加工対象物、好まし
くは紙の束中へと駆動する。
【０００２】
【従来の技術】ステープラー内の駆動モーターの制御用
デバイスは以前から知られている。前進移動と後退移動
を行うステープル駆動機構は、規定されたどちらかの方
向に回転する駆動軸を備え、カム構造体を介してステー
プル駆動機構に接続される駆動モーター、または、ステ
ープル駆動機構の方向が逆転されるとその駆動軸も逆転
される駆動モーターによって駆動される。
【０００３】駆動モーターが逆転されると、駆動モータ
ーは、ステープルがステープルを刺し込む加工対象物中
へと駆動される距離を越えて、第１の方向に駆動機構を
駆動する。ステープルが加工対象物中に完全に駆動され
ると、モーターは逆転され、ステープラー駆動機構は、
反対方向に駆動される。もしも、ステープル駆動機構
が、カム構造体を介して駆動されるならば、前方および
反対方向への移動は、カム構造体によって、知られた態
様で達成される。
【０００４】モーターを逆転するために、測定部材がモ
ーターに供給される電流を測定し、得られた値をマイク
ロプロセッサーに送り、マイクロプロセッサーが前記の
数値を知られた態様で分析し、この分析に基づいて駆動
モーターへの電流の供給を制御し、それによって、駆動
モーターの駆動軸の速度と方向を制御する制御デバイス
が使用される。そのような制御デバイスの欠点は、ステ
ープルが加工対象物中に駆動されるとき、および、主と
してステープルが逆転ポイントにおいてステープル駆動
機構によって加圧されたときに発生する負荷をモーター
が受けるときにのみ不可避的に変動する供給電流につい
て測定が行われる点である。このことは、結果的にモー
ターの制御に遅延を生じるとともに、モーターにこのよ
うに不必要な負荷がかかることとなる。
【０００５】駆動機構が、カム構造体を介して駆動され
るとき、モーターは、制御されないままであり、カム構
造体はしたがって、駆動機構が逆転される直前に、ステ
ープルが加工対象物中に完全に駆動されるときに発生す
る増大した力を吸収する衝撃吸収部材を備えている。そ
のようなデバイスの欠点は、これらの衝撃吸収部材は組
み込むことが困難であり、したがって、容易に磨耗する
ので、デバイスが効果を喪失し、このことがモーターの
疲労を増大する点である。
【０００６】この出願の発明に関連する先行技術文献情
報としては次のものがある。
【０００７】
【特許文献１】英国特許第２２１２４３３号明細書(第
２０頁第２３行〜第２３頁第３行および第１４図〜第１
７図)
【０００８】
【特許文献２】米国特許第４４２１２６４号明細書(第
５欄第１７行〜第５２行および第２図)
【０００９】
【発明が解決しようとする課題】モーターが受ける増大
した負荷を直ちに感知して、これに応答してモーターへ
の電流の供給を制御するように、駆動モーターの制御を
達成する必要性が存在している。
【００１０】モーターが逆転される場合は、正しい瞬間
にモーターを逆転する必要性がやはり存在している。
【００１１】
【課題を解決するための手段】この発明は、制御デバイ
スが、駆動軸の回転速度と、出発ポイントから完結した
延べ回転数(number of rotations completed from the
start point)を感知するセンサーを有し、次にこれらの
感知された情報をマイクロプロセッサーに送り、このマ
イクロプロセッサーが、知られた態様で入力された情報
を分析し、駆動モーターへの電流の供給を制御する制御
信号を発生する制御デバイスを特徴とする特許請求の範
囲の前文に特定されたタイプの制御デバイスによって上
記の問題点を克服している。
【００１２】この発明は更に、電流の供給が、全ブリッ
ジを横断して行われ、この場合、電流の供給が、駆動軸
の速度と回転方向が管理されるように制御される点を特
徴としている。
【００１３】
【発明の実施の形態】この発明は、以後、添付図面を参
照しつつ説明される。図１、２は、第１の駆動モーター
２と第２の駆動モーター３を有するステープラー１を開
示している。この駆動モーター３は、歯車５が配置され
る出力軸(outgoing shaft)４を有する。歯車５は、中間
歯車６を介して、屈曲用ダイ８が設けられる歯車ラック
７を駆動する。屈曲用ダイ８の機能に付いては以下に説
明する。
【００１４】第１の駆動モーター２は、内部に駆動軸９
を有しており、前記駆動軸には、歯車１０が配置され、
この歯車１０は、中間歯車１１と１２を介して、ステー
プル駆動機構１３を駆動する。ステープラー１はまた、
弾性部材１６によって前進されるステープル１５が貯蔵
されるステープルマガジン１４を有する。ステープラー
内には、ステープルを刺し込む対象である加工対象物１
７が配置されており、前記対象物は好ましくは紙の束で
構成される。駆動モーター２、３は、電源１８から電力
を付与され、電流がワイヤー１９を経て駆動モーター３
に導かれる。１つのレギュレーター２０が、電源１８と
駆動モーター３の間に設けられており、前記レギュレー
ターの機能は、電流を駆動モーター３のための正確な電
圧に変換することである。駆動モーター３は、屈曲用ダ
イを前後移動を行うように駆動し、この移動は二重の矢
印Ｐによって示されている。駆動モーター３と屈曲用ダ
イの機能は、この発明にとって重要な意味を持っていな
いので以下に簡単に説明する。
【００１５】駆動モーター２への電流の供給は、マイク
ロプロセッサー２２とセンサー２３を備える制御デバイ
ス２１によって管理される。このマイクロプロセッサー
は、ワイヤー２４を介してセンサー２３に接続されてお
り、センサー２３は、感知部材２５によって駆動軸９の
回転速度と、それが出発のポイントから完結した回転数
とを記憶する。このマイクロプロセッサー２２とセンサ
ー２３には、電源１８に接続されたレギュレーター２６
から電流が供給される。図３は、制御デバイス２１の設
計を詳細に示すとともに、駆動モーターへの電流の供給
がどのように行われるかを示している。同図が示すよう
に、駆動モーター２は、トランジスタースイッチ２８、
２９、３０をを含む全ブリッジ２７に接続されている。
センサー２３は、感知部材２５によって、当業者に知ら
れた態様で駆動モーター２の駆動軸９に接続されてお
り、これは図１、２に点線で示され、センサーはワイヤ
ー２４を介してマイクロプロセッサー２２に接続されて
いる。このマイクロプロセッサー２２は、トランジスタ
ースイッチ２８-３１に接続されている。
【００１６】ステープラーと制御デバイスの機能を図１
〜３を参照しつつ説明する。加工対象物１７にステープ
ルを刺し込もうとするときは、前記対象物は、図１に示
す態様でステープラー中に配置される。屈曲用ダイ８と
ステープル駆動機構１３は、それらの出発位置にある。
駆動モーター３は、屈曲用ダイ８を図２に示す位置に駆
動し、この位置において屈曲用ダイは、加工対象物１７
と接する。屈曲用ダイは、発明とは無関係なので、ここ
ではこれ以上詳しくは説明しない。駆動モーター２には
電源２８から、トランジスタースイッチ２８、駆動モー
ター２、およびトランジスタースイッチ３１を通過する
回路でトランジスタースイッチ２８を横断して電流が知
られた態様で供給される。駆動モーター２は、ステープ
ル駆動機構１３を歯車１０、１１および１２を介して二
重矢印Ｐによって示される方向に上方に駆動する。これ
に付いては、図１、２を参照されたい。図２において
は、ステープル１５は、加工対象物１７中に圧入されて
いる。センサー２３は、駆動軸９の両回転速度を記憶す
る。回転速度は、ステープルが、加工対象物中に駆動さ
れるときに発生する抵抗と出発のポイントから完結され
た延べ回転数とに依存して低下し、センサー２３は、得
られた数値をワイヤー２４を介してマイクロプロセッサ
ー２２に送る。このマイクロプロセッサーは、得られた
数値を知られた態様で分析して制御信号をトランジスタ
ースイッチ２８と３１に送り、駆動モーター２への電流
の供給が管理され、それによって、駆動軸９の回転速度
も管理する。ステープル駆動機構１３は、ステープル１
５を加工対象物１７へと駆動し、ステープル１５は、一
旦駆動モーターが規定された回転数を完結すると、加工
対象物１７に完全に駆動され終わる(図２参照)。回転数
をカウントし続けるセンサー２３は、この情報をマイク
ロプロセッサー２２に送り、これが、モーター２に、ト
ランジスタースイッチ２９、駆動モーター２、トランジ
スタースイッチ３０を通る回路を介して電流を供給され
ることを命令する制御信号を発生して、モーター２が、
反対方向に回転し、ステープル駆動機構１３が、それに
よって、二重矢印Ｐによって示される方向において、図
１に示される位置に向かって下方に移動される。屈曲用
ダイ８は、その後、最初の位置に復帰される。マイクロ
プロセッサーは、当業者に知られた態様で規定されたプ
ログラムでプログラミングされることが可能であり、ま
た、センサーは、駆動軸の速度とそれが完結した延べ回
転数を感知することができるので、駆動モーター２は、
非常に精緻に制御されることができ、その速度は、ステ
ープル駆動機構が逆転のポイントに到達する直前に減速
されることができ、同時に、逆転が規定された延べ回転
数に達した後に起こるようにシャープに区切られたポイ
ントにおいて行われる。これに由来する利点は、駆動モ
ーターとステープラー内に包含される機構のコンポーネ
ントが不必要な負荷に曝されることが省かれる点であ
る。
【図面の簡単な説明】
【図１】この発明の制御デバイスを備え、ステープル駆
動機構がその出発のポイントに位置するステープラーの
略図。
【図２】ステープル駆動機構が、その逆転のポイントに
位置する図１に対応する図。
【図３】制御デバイスに含まれるコンポーネントとそれ
らの相互接続を詳細に示す回路ダイアグラム。
【符号の説明】
１…ステープラー，２…第１の駆動モーター，９…駆動
軸，１５…ステープル，１７…加工対象物，２１…制御
デバイス，２２…マイクロプロセッサー，２３…センサ
ー，２７…全ブリッジ。

Claims (2)

    【特許請求の範囲】
  1. 【請求項１】 ステープラー(１)内に組み込まれる電気
    駆動モーター(２)を、マイクロプロセッサー(２２)によ
    って、制御するための制御デバイス(２１)であって、 前記モーターの駆動軸(９)は、ステープル駆動機構(１
    ３)を、規定された出発ポイントと逆転ポイントを備え
    る前進移動と後退移動を行うように駆動し、前記駆動機
    構は、その前進移動中に、１つのステープル(１５)を加
    工対象物(１７)、好ましくは、紙の束内へと駆動し、 制御デバイス(２１)は、駆動軸(９)の回転速度と、前記
    駆動軸が前記出発ポイントから完結した延べ回転数とを
    感知するセンサー(２３)を備え、感知情報をマイクロプ
    ロセッサー(２２)に送り、前記プロセッサーは、取得し
    た情報を知られた態様で分析して、駆動モーター(２)へ
    の電流の供給を制御する制御信号を発生し、駆動軸の回
    転速度が管理される点を特徴とする制御デバイス。
  2. 【請求項２】 電流の供給が、全ブリッジ(２７)を横断
    して行われ、電流の供給が、駆動軸(９)の回転方向と回
    転速度を管理するように制御される点を特徴とする請求
    項１記載の制御デバイス。
JP2002292273A 2001-10-04 2002-10-04 ステープラーにおける駆動モータ用制御デバイス Expired - Lifetime JP4472243B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0103298-6 2001-10-04
SE0103298A SE523684C2 (sv) 2001-10-04 2001-10-04 Styranordning för en drivmotor i en häftapparat

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JP2003165068A true JP2003165068A (ja) 2003-06-10
JP4472243B2 JP4472243B2 (ja) 2010-06-02

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Country Link
US (1) US20030066858A1 (ja)
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CN (1) CN100521502C (ja)
DE (1) DE10246176A1 (ja)
SE (1) SE523684C2 (ja)

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JP4078924B2 (ja) * 2002-08-30 2008-04-23 マックス株式会社 電動ステープラー
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US8302833B2 (en) 2004-04-02 2012-11-06 Black & Decker Inc. Power take off for cordless nailer
US9072535B2 (en) 2011-05-27 2015-07-07 Ethicon Endo-Surgery, Inc. Surgical stapling instruments with rotatable staple deployment arrangements
US11998198B2 (en) 2004-07-28 2024-06-04 Cilag Gmbh International Surgical stapling instrument incorporating a two-piece E-beam firing mechanism
US11896225B2 (en) 2004-07-28 2024-02-13 Cilag Gmbh International Staple cartridge comprising a pan
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CN100521502C (zh) 2009-07-29
US20030066858A1 (en) 2003-04-10

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