JP2010001731A - Brake mechanism for wire reel in reinforcement binding machine - Google Patents

Brake mechanism for wire reel in reinforcement binding machine Download PDF

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Publication number
JP2010001731A
JP2010001731A JP2009092693A JP2009092693A JP2010001731A JP 2010001731 A JP2010001731 A JP 2010001731A JP 2009092693 A JP2009092693 A JP 2009092693A JP 2009092693 A JP2009092693 A JP 2009092693A JP 2010001731 A JP2010001731 A JP 2010001731A
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Japan
Prior art keywords
wire reel
wire
binding machine
brake
solenoid
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JP2009092693A
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Japanese (ja)
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JP5369846B2 (en
Inventor
Osamu Itagaki
修 板垣
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Max Co Ltd
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Max Co Ltd
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Priority to JP2009092693A priority Critical patent/JP5369846B2/en
Application filed by Max Co Ltd filed Critical Max Co Ltd
Priority to LTEP18208035.8T priority patent/LT3483360T/en
Priority to EP14001357.4A priority patent/EP2757211B1/en
Priority to EP09005766.2A priority patent/EP2123847B1/en
Priority to DK18208035.8T priority patent/DK3483360T3/en
Priority to EP15002542.7A priority patent/EP2977527B1/en
Priority to EP18208035.8A priority patent/EP3483360B1/en
Priority to TW104112995A priority patent/TWI589369B/en
Priority to CA2665299A priority patent/CA2665299C/en
Priority to CA2937347A priority patent/CA2937347C/en
Priority to TW106111671A priority patent/TWI614069B/en
Priority to TW106143133A priority patent/TWI650193B/en
Priority to TW098114805A priority patent/TWI516320B/en
Priority to TW104133157A priority patent/TWI581875B/en
Priority to BRPI0901540-0A priority patent/BRPI0901540B1/en
Priority to ARP090101771A priority patent/AR072783A1/en
Priority to CL2009001208A priority patent/CL2009001208A1/en
Priority to US12/467,459 priority patent/US9192979B2/en
Priority to RU2009118692/02A priority patent/RU2496630C2/en
Priority to KR1020090043712A priority patent/KR101620634B1/en
Priority to CN2009102030903A priority patent/CN101585419B/en
Priority to CN201210030548.1A priority patent/CN102556393B/en
Priority to PCT/JP2009/059218 priority patent/WO2009142213A1/en
Publication of JP2010001731A publication Critical patent/JP2010001731A/en
Application granted granted Critical
Publication of JP5369846B2 publication Critical patent/JP5369846B2/en
Priority to US14/276,066 priority patent/US9132472B2/en
Priority to US14/526,858 priority patent/US9308572B2/en
Priority to US14/704,360 priority patent/US9221566B2/en
Priority to US15/059,942 priority patent/US9399875B2/en
Priority to KR1020160054415A priority patent/KR101708148B1/en
Priority to US15/180,706 priority patent/US10167095B2/en
Priority to US15/639,853 priority patent/US9856041B2/en
Priority to US16/106,768 priority patent/US10457428B2/en
Priority to US16/564,950 priority patent/US11780621B2/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/122—Machines for joining reinforcing bars
    • E04G21/123—Wire twisting tools

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Basic Packing Technique (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a brake mechanism for a wire reel in a reinforcement binding machine improving a dustproofness. <P>SOLUTION: A solenoid 32, a shaft 34 and a bracket 40 are arranged in a cover 17, and a part of the shaft 34 is positioned in the cylinder section 40A of the bracket 40, a bearing 35 and a hollow pin 38. Consequently, since a section between in the solenoid 32 and the brake means 30 of the solenoid 32 rotating a stopper lever 30 and the shaft 34 is covered with the cover 17, a brake is operated surely without attaching sand or the like on the internal section of the cover 17 even when the reinforcement binding machine is used in an outdoor section or the like. Accordingly, the adhesion of sand or the like on the solenoid 32 and the shaft 34 in the cover 17 is prevented without damaging the loading property of the wire reel, thus improving the dustproofness. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、鉄筋結束機において所定長さの結束用ワイヤを送り出した後にワイヤリールの回転を停止させるブレーキ機構に関する。   The present invention relates to a brake mechanism that stops rotation of a wire reel after feeding a binding wire having a predetermined length in a reinforcing bar binding machine.

鉄筋結束機において、所定長さのワイヤ送りがなされるとワイヤ送りは停止するが、ワイヤリールは慣性によって回り続ける。そのため、ワイヤリールに巻装されたワイヤの径は膨らみ、次回のワイヤ送りに支障をきたすことがある。これを解決するものとして、例えば特許文献１のように、ワイヤリールの近傍にワイヤリールに係合可能なブレーキ手段を配置し、このブレーキ手段をソレノイドで作動させるブレーキ機構の技術が開示されている。なお、特許文献１のブレーキ機構は、ワイヤリールからワイヤを所定長さだけ送り出した後に、ソレノイドによりブレーキ手段をワイヤリールの周縁部に係合するよう作動させてワイヤリールの回転を停止させる。   In the reinforcing bar binding machine, when a predetermined length of wire feeding is performed, the wire feeding stops, but the wire reel continues to rotate due to inertia. Therefore, the diameter of the wire wound around the wire reel swells, which may hinder the next wire feeding. As a solution to this, for example, as disclosed in Patent Document 1, a brake mechanism technique is disclosed in which brake means that can be engaged with a wire reel is disposed in the vicinity of the wire reel, and the brake means is operated by a solenoid. . In the brake mechanism of Patent Document 1, after the wire is fed out from the wire reel by a predetermined length, the brake is operated to engage the peripheral portion of the wire reel by a solenoid to stop the rotation of the wire reel.

特開平１１−１５６７４６号公報JP-A-11-156746

ところで、鉄筋結束機（特許文献１などを含む）は、結束機本体に対するワイヤリールの装填を簡易にするため、ワイヤリールが結束機本体の外側に露出している。また、ワイヤリールの近傍に配置されるブレーキ手段およびソレノイドも、結束機本体の外側に露出している。そのため、鉄筋結束機を屋外などで使用する場合、砂や塵などがソレノイドなどに付着し、ブレーキ動作が確実に行えない事態を想定し得る。   By the way, in a reinforcing bar binding machine (including Patent Document 1), the wire reel is exposed to the outside of the binding machine body in order to easily load the wire reel into the binding machine body. Moreover, the brake means and solenoid arranged in the vicinity of the wire reel are also exposed outside the binding machine body. Therefore, when the reinforcing bar binding machine is used outdoors, it can be assumed that sand or dust adheres to the solenoid or the like and the braking operation cannot be performed reliably.

そこで、本発明は、ブレーキ機構の防塵性が向上する鉄筋結束機におけるワイヤリールのブレーキ機構を提供することを目的とする。   Then, an object of this invention is to provide the brake mechanism of the wire reel in the reinforcing bar binding machine which the dustproof property of a brake mechanism improves.

本発明に係る鉄筋結束機におけるワイヤリールのブレーキ機構は、結束機本体に回転可能に配置されたワイヤリールからワイヤを送り方向へ送り出して複数本の鉄筋の周囲に巻き付けた後に上記ワイヤを捩って結束する鉄筋結束機であって、上記ワイヤリールの係合部に係合可能なブレーキ手段と、上記ワイヤリールから上記ワイヤを所定長さ送り出した後に上記ブレーキ手段を駆動させる駆動手段とを備え、上記駆動手段とワイヤリールとの間をカバーで仕切り、ワイヤリールから駆動手段を覆い隠すことを特徴とする。ここで、駆動手段は、ソレノイドまたはモータなどを含む。   The wire reel brake mechanism in the reinforcing bar binding machine according to the present invention feeds a wire from a wire reel rotatably arranged on the binding machine body in the feeding direction and winds the wire around a plurality of reinforcing bars. A rebar bundling machine for bundling, comprising: brake means engageable with an engaging portion of the wire reel; and drive means for driving the brake means after feeding the wire from the wire reel for a predetermined length. The drive means and the wire reel are partitioned by a cover, and the drive means is covered from the wire reel. Here, the driving means includes a solenoid or a motor.

また、本発明に係る鉄筋結束機におけるワイヤリールのブレーキ機構は、結束機本体に回転可能に配置されたワイヤリールからワイヤを送り方向へ送り出して複数本の鉄筋の周囲に巻き付けた後に上記ワイヤを捩って結束する鉄筋結束機であって、上記ワイヤリールの係合部に係合可能なブレーキ手段と、上記ワイヤリールから上記ワイヤを所定長さ送り出した後に上記ブレーキ手段を駆動させる駆動手段と、上記ブレーキ手段に掛装され、上記ブレーキ手段が上記係合部と係合した後に上記ブレーキ手段を初期位置に復帰させる付勢手段とを備える。   Further, the wire reel brake mechanism in the reinforcing bar binding machine according to the present invention feeds the wire from the wire reel rotatably arranged on the binding machine body in the feeding direction and winds the wire around the plurality of reinforcing bars. A rebar binding machine that twists and binds, a brake means that can be engaged with an engaging portion of the wire reel, and a drive means that drives the brake means after feeding the wire from the wire reel for a predetermined length; And an urging means for returning the brake means to an initial position after the brake means is engaged with the engaging portion.

本発明に係る鉄筋結束機におけるワイヤリールのブレーキ機構によれば、駆動手段とワイヤリールとの間をカバーで仕切り、ワイヤリールから駆動手段を覆い隠すから、鉄筋結束機を屋外などで使用しても、駆動手段に砂などが付着する事が無くブレーキ動作を確実に行なることができる。即ち、本発明に係る鉄筋結束機におけるワイヤリールのブレーキ機構では、ワイヤリールの装填性を損なうことなく、駆動手段に砂などの付着が防止されるので、防塵性が向上する。   According to the wire reel brake mechanism in the reinforcing bar binding machine according to the present invention, the driving means and the wire reel are partitioned by a cover, and the driving means is covered from the wire reel. Therefore, the reinforcing bar binding machine is used outdoors. However, it is possible to reliably perform the braking operation without sand being attached to the driving means. That is, in the wire reel brake mechanism in the reinforcing bar binding machine according to the present invention, adhesion of sand or the like to the driving means is prevented without impairing the loadability of the wire reel, so that dust resistance is improved.

また、本発明に係る鉄筋結束機におけるワイヤリールのブレーキ機構によれば、付勢手段を直接にブレーキ手段に掛装するので、付勢手段の付勢力で直接的にブレーキ手段を初期状態へ復帰させることができる。即ち、本発明に係る鉄筋結束機におけるワイヤリールのブレーキ機構では、付勢手段の付勢力に無駄がなく、各部品たとえば駆動手段などに無用な力が加わることがなくなるので、効率良くブレーキ手段を復帰させることができる。   Further, according to the wire reel brake mechanism in the reinforcing bar binding machine according to the present invention, the urging means is directly mounted on the brake means, so that the brake means is directly returned to the initial state by the urging force of the urging means. Can be made. That is, in the wire reel brake mechanism in the reinforcing bar binding machine according to the present invention, there is no waste in the urging force of the urging means, and no unnecessary force is applied to each component such as the driving means. Can be restored.

本発明に係る第１実施形態における鉄筋結束機の要部を示す全体斜視図である。It is a whole perspective view which shows the principal part of the reinforcing bar binding machine in 1st Embodiment which concerns on this invention. 図１に示す鉄筋結束機の平面図である。It is a top view of the reinforcing bar binding machine shown in FIG. 図１に示す側面図である。It is a side view shown in FIG. 図３のＸ−Ｘ線上の断面図である。It is sectional drawing on the XX line of FIG. 図４に示すブレーキ機構の全体斜視図である。FIG. 5 is an overall perspective view of the brake mechanism shown in FIG. 4. 図５に示すブレーキ機構の分解斜視図鉄筋結束機の側面図である。FIG. 6 is an exploded perspective view of the brake mechanism shown in FIG. 5 and a side view of the reinforcing bar binding machine. 図４に示すブレーキ機構のブレーキ動作時における要部平面図である。FIG. 5 is a plan view of a main part during a brake operation of the brake mechanism shown in FIG. 4. 図７の側面図である。FIG. 8 is a side view of FIG. 7. 本発明に係る第２実施形態におけるブレーキ機構の全体斜視図である。It is a whole perspective view of a brake mechanism in a 2nd embodiment concerning the present invention. 図９に示すブレーキ機構の分解斜視図である。FIG. 10 is an exploded perspective view of the brake mechanism shown in FIG. 9.

以下、図１乃至図８に基づいて、本発明の一実施形態である鉄筋結束機におけるワイヤリールのブレーキ機構について説明する。図１は本実施形態における鉄筋結束機の要部を示す全体斜視図、図２は図１に示す鉄筋結束機の平面図、図３は図１に示す側面図、図４は図２に示すブレーキ機構の要部平面図、図５は図４に示すブレーキ機構の全体斜視図、図６は図５に示すブレーキ機構の分解斜視図である。   Hereinafter, a wire reel brake mechanism in a reinforcing bar binding machine according to an embodiment of the present invention will be described with reference to FIGS. 1 is an overall perspective view showing a main part of a reinforcing bar binding machine according to the present embodiment, FIG. 2 is a plan view of the reinforcing bar binding machine shown in FIG. 1, FIG. 3 is a side view shown in FIG. 1, and FIG. FIG. 5 is an overall perspective view of the brake mechanism shown in FIG. 4, and FIG. 6 is an exploded perspective view of the brake mechanism shown in FIG.

（鉄筋結束機の概略構成）
図１乃至図３に示すように、鉄筋結束機１０は、結束機本体１１と、結束機本体１１に対し着脱可能に配置されるワイヤリール２０を備える。ワイヤリール２０は、図示しないレバーを操作するのみで、着脱し得るように構成されている。結束機本体１１には、結束用ワイヤＷの通路１２Ａおよび１２Ｂ（図２および図３参照）が配置される。図２に示すように、通路１２Ａおよび１２Ｂ間には、送り手段を構成する一対の送りギヤ１３が、ワイヤＷを挟持し得るように配置される。結束機本体１１には、図３に示すように、送りギヤ１３を回転させる送りモータ１４が配置される。なお、結束機本体１１にはトリガ１８（図３参照）が配置されており、トリガ１８が引き操作されることよって送りモータ１４は駆動する。 (Schematic configuration of rebar binding machine)
As shown in FIGS. 1 to 3, the reinforcing bar binding machine 10 includes a binding machine body 11 and a wire reel 20 that is detachably disposed on the binding machine body 11. The wire reel 20 is configured to be detachable only by operating a lever (not shown). In the binding machine body 11, passages 12A and 12B (see FIGS. 2 and 3) of the binding wire W are arranged. As shown in FIG. 2, between the passages 12A and 12B, a pair of feed gears 13 constituting the feed means are arranged so as to sandwich the wire W. As shown in FIG. 3, the binding machine body 11 is provided with a feed motor 14 that rotates the feed gear 13. Note that a trigger 18 (see FIG. 3) is disposed in the binding machine main body 11, and the feed motor 14 is driven when the trigger 18 is pulled.

結束機本体１１の送り方向側（図３では右側）には、ループ状にワイヤＷ（図３では２点鎖線で示す）を曲げるように案内するガイド１５が配置される。また、結束機本体１１には捩りモータ１６が配置されており、捩りモータ１６には図示しない捩りフックが連結される。そして、捩りフックは、捩りモータ１６が回転することによって駆動し、複数本（図３では２本）の鉄筋２４の周囲に巻き付けられたループ状のワイヤＷを捩る。   A guide 15 for guiding the wire W (indicated by a two-dot chain line in FIG. 3) to be bent in a loop shape is arranged on the feeding direction side (right side in FIG. 3) of the binding machine body 11. A torsion motor 16 is disposed in the binding machine body 11, and a torsion hook (not shown) is connected to the torsion motor 16. The torsion hook is driven by the rotation of the torsion motor 16 and twists the loop-shaped wire W wound around a plurality of (two in FIG. 3) reinforcing bars 24.

即ち、捩りフックは、正転してループ状のワイヤＷまで進出して捩り、捩り終わった後に逆転して初期位置へ後退するように構成されている。また、捩り処理が終了したワイヤＷは、図示しない捩りフックに連動するカッタ（図示省略）で切断される。なお、これらの機構は従来公知の機構と同様であるので、これ以上の詳述は省略する。   That is, the torsion hook is configured to rotate forward and advance to the loop-shaped wire W and twist, and after the twist is completed, reversely rotate and retract to the initial position. Further, the wire W that has been twisted is cut by a cutter (not shown) that interlocks with a twisting hook (not shown). Since these mechanisms are the same as conventionally known mechanisms, further detailed description is omitted.

（ブレーキ機構に関する構成）
図４に示すように、ワイヤリール２０は、一対のフランジ２０Ａおよび２０Ｂを備える。一方のフランジ２０Ａには、略鋸刃状の係合部２１（図３参照）が所定間隔に複数形成される。係合部２１は対応するようにブレーキ手段であるストッパレバー３０が配置される。図５に示すように、ストッパレバー３０を含むブレーキ装置Ｓは、駆動手段であるソレノイド３２と、リンク３３と、シャフト３４と、連結輪３７と、ねじりコイルバネ（以下、バネともいう）３６と、中空ピン３８と、ブラケット４０を備える。ブラケット４０は、ソレノイド３２を固定すると共に、シャフト３４を支持する。ブラケット４０は、図２の２点鎖線及び図４に示すように、結束機本体１１の防塵手段であるカバー１７内に配置される。 (Configuration related to brake mechanism)
As shown in FIG. 4, the wire reel 20 includes a pair of flanges 20A and 20B. On one flange 20A, a plurality of substantially saw-tooth shaped engaging portions 21 (see FIG. 3) are formed at predetermined intervals. A stopper lever 30 as a brake means is arranged so as to correspond to the engaging portion 21. As shown in FIG. 5, the brake device S including the stopper lever 30 includes a solenoid 32 that is a driving means, a link 33, a shaft 34, a connecting ring 37, a torsion coil spring (hereinafter also referred to as a spring) 36, A hollow pin 38 and a bracket 40 are provided. The bracket 40 fixes the solenoid 32 and supports the shaft 34. As shown in the two-dot chain line in FIG. 2 and FIG. 4, the bracket 40 is disposed in the cover 17 that is dust-proof means of the binding machine body 11.

図５に示すように、ソレノイド３２の鉄芯３２Ａはスライド可能に配置されており、ソレノイド３２のオン時には鉄芯３２Ａが長さＬ分だけソレノイド３２に引き込まれる（図７参照）。なお、ソレノイド３２のオフ時における鉄芯３２Ａは、図４に示す初期位置に保持される。ソレノイド３２のオン・オフの切換は、図示しないＣＰＵによって制御される。   As shown in FIG. 5, the iron core 32A of the solenoid 32 is slidably disposed, and when the solenoid 32 is turned on, the iron core 32A is drawn into the solenoid 32 by a length L (see FIG. 7). The iron core 32A when the solenoid 32 is turned off is held at the initial position shown in FIG. The on / off switching of the solenoid 32 is controlled by a CPU (not shown).

図６に示すように、鉄芯３２Ａおよびリンク３３の一端はピン３３Ａを介して連結される。一方、リンク３３の他端およびシャフト３４に固定された連結輪３７はピン３３Ｂで連結されると共に、シャフト３４は連結輪３７を介してブラケット４０に回転可能に配置される。また、シャフト３４はブラケット４０の筒部４０Ａに挿通される。そして、鉄芯３２Ａおよびリンク３３がスライドすると、シャフト３４はその軸心回りに回転する。なお、シャフト３４には、その先端にＤカットされたＤカット部３４Ａを有する。   As shown in FIG. 6, one end of the iron core 32A and the link 33 is connected via a pin 33A. On the other hand, the other end of the link 33 and the connecting ring 37 fixed to the shaft 34 are connected by a pin 33B, and the shaft 34 is rotatably arranged on the bracket 40 via the connecting ring 37. Further, the shaft 34 is inserted into the cylindrical portion 40 </ b> A of the bracket 40. When the iron core 32A and the link 33 slide, the shaft 34 rotates about its axis. The shaft 34 has a D-cut portion 34A that is D-cut at the tip thereof.

ブラケット４０の筒部４０Ａから突出するシャフト３４は、軸受３５・中空ピン３８及びバネ３６のコイル部３６Ａならびにストッパレバー３０のＤカットされた孔３０Ａに挿通される。そして、ストッパレバー３０などは、止具３９によってシャフト３４から抜け止めされる。   The shaft 34 protruding from the cylindrical portion 40A of the bracket 40 is inserted into the bearing 35, the hollow pin 38, the coil portion 36A of the spring 36, and the D-cut hole 30A of the stopper lever 30. Then, the stopper lever 30 and the like are prevented from coming off the shaft 34 by the stopper 39.

シャフト３４のＤカット部３４Ａはストッパレバー３０の孔３０Ａに対応し、シャフト３４が回転することによってストッパレバー３０はシャフト３４を中心に回転する。ストッパレバー３０には、ワイヤリール２０の係合部２１に係合する係止部３１が略Ｌ状に形成されている（図３参照）。   The D-cut portion 34A of the shaft 34 corresponds to the hole 30A of the stopper lever 30, and the stopper lever 30 rotates about the shaft 34 as the shaft 34 rotates. The stopper lever 30 is formed with a locking portion 31 that engages with the engaging portion 21 of the wire reel 20 in a substantially L shape (see FIG. 3).

そして、図６に示すソレノイド３２及びシャフト３４並びにブラケット４０は、図２及び図４に示すカバー１７の内側に配置される。すなわち、このカバー１７は結束機本体１１の一側を覆うボディカバー１７Ａと他側を覆うボディカバー１７Ｂとによって構成され、ボディカバー１７Ａとボディカバー１７Ｂとの間の空間は実質的に密封される。つまり、開口部４１にはシャフト３４の軸受３５が嵌合固定され、また、開口部４２、４３、４４には図示されていない他の部品が嵌め込まれる。このように、ソレノイド３２とワイヤリール２０との間はカバー１７で仕切られ、ソレノイド２０とブラケット４０の筒部４０Ａはワイヤリール２０から覆い隠される。さらに、ストッパレバー３０を回転させるシャフト３４の摺動部分のうち、ブラケット４０の筒部４０Ａはカバー１７の内側に配置されて外側から覆い隠されているが、カバー１７の外側に配置されるシャフト３４の摺動部分も、中空ピン３８と軸受３５とにより覆い隠される。   The solenoid 32, the shaft 34, and the bracket 40 shown in FIG. 6 are arranged inside the cover 17 shown in FIGS. That is, the cover 17 is constituted by a body cover 17A that covers one side of the binding machine body 11 and a body cover 17B that covers the other side, and the space between the body cover 17A and the body cover 17B is substantially sealed. That is, the bearing 35 of the shaft 34 is fitted and fixed in the opening 41, and other parts (not shown) are fitted in the openings 42, 43 and 44. Thus, the solenoid 32 and the wire reel 20 are partitioned by the cover 17, and the solenoid 20 and the cylindrical portion 40 </ b> A of the bracket 40 are covered and hidden from the wire reel 20. Further, of the sliding portion of the shaft 34 that rotates the stopper lever 30, the cylindrical portion 40 </ b> A of the bracket 40 is disposed on the inner side of the cover 17 and is covered and hidden from the outer side, but the shaft disposed on the outer side of the cover 17. The sliding portion 34 is also covered by the hollow pin 38 and the bearing 35.

図６に示すように、バネ３６のコイル部３６Ａは中空ピン３８のコイル受け３８Ａに挿入され、バネ３６は中空ピン３８で支持される。図３に示すように、バネ３６の引掛部３６Ｂは結束機本体１１に係止され、引掛部３６Ｃはストッパレバー３０の外側に係止される（図５参照）。そのため、バネ３６は、ストッパレバー３０を常に図３に示す矢印方向（すなわち、反時計方向）へ付勢している。なお、ストッパ装置Ｓにおける待機モード即ちソレノイド３２のオフ時は、図１乃至図５に示す状態である。   As shown in FIG. 6, the coil portion 36 </ b> A of the spring 36 is inserted into the coil receiver 38 </ b> A of the hollow pin 38, and the spring 36 is supported by the hollow pin 38. As shown in FIG. 3, the hook portion 36B of the spring 36 is locked to the binding machine body 11, and the hook portion 36C is locked to the outside of the stopper lever 30 (see FIG. 5). Therefore, the spring 36 always urges the stopper lever 30 in the direction of the arrow shown in FIG. 3 (that is, counterclockwise). The standby mode in the stopper device S, that is, when the solenoid 32 is off, is in the state shown in FIGS.

（本実施形態の作用）
図３に示す鉄筋結束機１０のトリガ１８を引き操作すると、ワイヤリール２０に巻装されたワイヤＷは、送りギヤ１３で所定長さに亘り送り出され、複数本の鉄筋２４の周囲に巻き回される。そして、ワイヤＷの送り動作が終了する直前に、ソレノイド３２はオンとなり、鉄芯３２Ａを引き込む。この引き込み動作により、ストッパレバー３０は、バネ３６の付勢力に抗して図８の矢印方向（時計回り方向）へ回転する。 (Operation of this embodiment)
When the trigger 18 of the reinforcing bar binding machine 10 shown in FIG. 3 is pulled, the wire W wound around the wire reel 20 is fed out over a predetermined length by the feed gear 13 and wound around the plurality of reinforcing bars 24. Is done. Then, immediately before the wire W feeding operation is finished, the solenoid 32 is turned on, and the iron core 32A is drawn. By this pull-in operation, the stopper lever 30 rotates in the arrow direction (clockwise direction) in FIG. 8 against the urging force of the spring 36.

そのため、図８に示すように、ストッパレバー３０の係止部３１は、ワイヤリール２０の係合部２１に係合し、ワイヤリール２０の回転を停止させる。従って、ワイヤリール２０が惰性で回転することが無くなるので、ワイヤＷの径が膨らむことが無く、ワイヤＷを常に円滑に送ることができる。なお、図７は図４に示すブレーキ機構のブレーキ 動作時における要部平面図であり、図８は図７の側面図である。   Therefore, as shown in FIG. 8, the locking portion 31 of the stopper lever 30 engages with the engaging portion 21 of the wire reel 20 and stops the rotation of the wire reel 20. Therefore, since the wire reel 20 does not rotate due to inertia, the diameter of the wire W does not swell, and the wire W can be always fed smoothly. 7 is a plan view of an essential part during the braking operation of the brake mechanism shown in FIG. 4, and FIG. 8 is a side view of FIG.

そして、所定時間経過後、ソレノイド３２はオフとなり、ストッパレバー３０はバネ３６の付勢力によって図３の矢印方向（反時計回り方向）へ回転すると共に、鉄芯３２Ａも初期位置へスライドする（図４参照）。即ち、バネ３６を直接にストッパレバー３０に掛装するので、バネ３６の付勢力で直接的にストッパレバー３０を初期位置に復帰させることができる。従って、バネの付勢力に無駄がなく、各部品たとえば鉄芯３２Ａなどに無用な力が加わることがなくなるので、効率良くストッパレバー３０を復帰させることができる。   After a predetermined time has elapsed, the solenoid 32 is turned off, the stopper lever 30 is rotated in the direction of the arrow in FIG. 3 (counterclockwise direction) by the biasing force of the spring 36, and the iron core 32A is also slid to the initial position (FIG. 4). That is, since the spring 36 is directly hooked on the stopper lever 30, the stopper lever 30 can be directly returned to the initial position by the urging force of the spring 36. Therefore, there is no waste in the biasing force of the spring, and unnecessary force is not applied to each component, for example, the iron core 32A, so that the stopper lever 30 can be returned efficiently.

その後、図示しないＣＰＵの駆動信号に基づいて捩りモータ１６すなわち捩りフックを駆動させ、ワイヤＷを捩って結束させる。なお、ＣＰＵは、ワイヤＷの送り動作が終了した後に、捩りモータ１６へその駆動信号を出力する。   Thereafter, the torsion motor 16, that is, the torsion hook, is driven based on a CPU drive signal (not shown), and the wire W is twisted and bound. The CPU outputs a drive signal to the torsion motor 16 after the wire W feeding operation is completed.

本実施形態において、図６に示すソレノイド３２及びストッパレバー３０を回転させるシャフト３４の一部並びにブラケット４０は、図２及び図４に示すカバー１７内に配置されると共に、シャフト３４の摺動部分がブラケット４０の筒部４０Ａ及び軸受３５並びに中空ピン３８内となっているので、ストッパレバー３０を回転させるソレノイド３２及びシャフト３４はカバー１７などで全て覆い隠される。   In this embodiment, a part of the shaft 34 and the bracket 40 for rotating the solenoid 32 and the stopper lever 30 shown in FIG. 6 and the bracket 40 are disposed in the cover 17 shown in FIGS. Is in the cylindrical portion 40A of the bracket 40, the bearing 35, and the hollow pin 38, the solenoid 32 and the shaft 34 that rotate the stopper lever 30 are all covered with the cover 17 and the like.

即ち、本実施形態によれば、ソレノイド３２とワイヤリール２０との間をカバー１７で仕切り、ソレノイド２０はワイヤリール２０からが覆い隠されているので、鉄筋結束機１０を屋外などで使用しても、ソレノイド２０に砂などが付着することが無くブレーキ動作を確実に行うことができる。したがって、ワイヤリールの装填性を損なうことがない。さらに、カバー１７の外側に位置するシャフト３４の摺動部分も中空ピン３８や軸受３５等により覆い隠されるので、防塵性が向上し、摺動部分に砂などが付着することが無く、ブレーキ動作を一層確実に行うことができる。特に、軸受３５は中空ピン３８と隣接し、シャフト３４のうち軸受３５の外側に露出する部分は中空ピン３８により覆われるので、軸受３５に砂などが付着するのをさらに良く防止することができる。   That is, according to the present embodiment, the solenoid 32 and the wire reel 20 are partitioned by the cover 17, and the solenoid 20 is covered with the wire reel 20, so that the reinforcing bar binding machine 10 is used outdoors. However, sand or the like does not adhere to the solenoid 20 and the braking operation can be performed reliably. Therefore, the loadability of the wire reel is not impaired. Further, since the sliding portion of the shaft 34 located outside the cover 17 is also covered with the hollow pin 38, the bearing 35, etc., the dustproof property is improved, and sand or the like does not adhere to the sliding portion, so that the braking operation is performed. Can be performed more reliably. In particular, the bearing 35 is adjacent to the hollow pin 38, and the portion of the shaft 34 that is exposed to the outside of the bearing 35 is covered with the hollow pin 38, so that it is possible to better prevent sand or the like from adhering to the bearing 35. .

なお、摺動部分はシャフト３４の周囲を覆うように配置されて摺動する部分であって、必ずしもブラケット４０の筒部４０Ａ及び軸受３５並びに中空ピン３８に限定されるものではない。   The sliding portion is a portion that is arranged and slid so as to cover the periphery of the shaft 34, and is not necessarily limited to the cylindrical portion 40 </ b> A of the bracket 40, the bearing 35, and the hollow pin 38.

（第２の実施形態）
以下、図９及び図１０に基づいて、駆動手段をソレノイドから正逆転可能な専用モータに変更した第２実施形態を説明する。ここで、図９は第２実施形態におけるブレーキ機構の全体斜視図、図１０は図９に示すブレーキ機構の分解斜視図である。なお、第１実施形態と同一部品については、同一の部品番号を付す。また、図９は第１実施形態における図５に対応し、図１０は第１実施形態における図６に対応する。 (Second Embodiment)
Hereinafter, a second embodiment in which the drive means is changed from a solenoid to a dedicated motor capable of forward and reverse rotation will be described with reference to FIGS. 9 and 10. 9 is an overall perspective view of the brake mechanism in the second embodiment, and FIG. 10 is an exploded perspective view of the brake mechanism shown in FIG. In addition, the same parts number is attached | subjected about the same parts as 1st Embodiment. 9 corresponds to FIG. 5 in the first embodiment, and FIG. 10 corresponds to FIG. 6 in the first embodiment.

本実施形態のストッパ装置は、ブラケット５８にブレーキモータ（以下、モータともいう）６０が固定される。モータ６０のギヤ６１は、シャフト３４に固定される減速ギヤ６２に噛合する。なお、ブラケット５８には、シャフト３４を挿通するための筒部５９が配置されている。また、本実施形態には、図６に示すリンク３３および連結輪３７などの連結部品が配置されていない。その他の構成は図５および図６の例と同様である。したがって、上記ストッパ装置においても、図４と同様に、図示しないカバーが軸受３５の部分で駆動手段であるモータ６０とワイヤリール２０とを仕切っているものとする。   In the stopper device of this embodiment, a brake motor (hereinafter also referred to as a motor) 60 is fixed to the bracket 58. A gear 61 of the motor 60 meshes with a reduction gear 62 fixed to the shaft 34. The bracket 58 is provided with a cylindrical portion 59 for inserting the shaft 34. Further, in this embodiment, connecting parts such as the link 33 and the connecting wheel 37 shown in FIG. 6 are not arranged. Other configurations are the same as those in the examples of FIGS. Accordingly, in the stopper device as well, as in FIG. 4, a cover (not shown) partitions the motor 60, which is a driving means, and the wire reel 20 at the portion of the bearing 35.

本実施形態によれば、正逆転可能なモータ６０における減速ギヤ６２の回転でブレーキレバー３０が直接に回転し得るので、ブレーキ解除が迅速となる。また、本実施形態によれば、図９に示すバネ３６を不要にし得るので、部品点数を減らすことができる。その他の作用効果は、第１実施形態と同様であるので、詳細説明は省略する。   According to the present embodiment, since the brake lever 30 can be directly rotated by the rotation of the reduction gear 62 in the motor 60 capable of forward and reverse rotation, the brake is released quickly. Further, according to the present embodiment, the spring 36 shown in FIG. 9 can be made unnecessary, so that the number of parts can be reduced. Other functions and effects are the same as those of the first embodiment, and thus detailed description thereof is omitted.

１０ 鉄筋結束機
１１ 鉄筋結束機本体
１４ 送りモータ
１６ 捩りモータ
１７ カバー（防塵手段）
２０ ワイヤリール
２１ ワイヤリールの係合部
２４ 鉄筋
３０ ストッパレバー（ブレーキ手段）
３２ ソレノイド（駆動手段）
３４ シャフト
３６ ねじりコイルバネ（付勢手段）
６０ ブレーキモータ（駆動手段）
Ｓ ストッパ装置
Ｗ ワイヤ DESCRIPTION OF SYMBOLS 10 Rebar tying machine 11 Rebar tying machine body 14 Feed motor 16 Torsion motor 17 Cover (dust-proof means)
20 Wire reel 21 Wire reel engaging portion 24 Reinforcing bar 30 Stopper lever (brake means)
32 Solenoid (drive means)
34 Shaft 36 Torsion coil spring (biasing means)
60 Brake motor (drive means)
S Stopper device W Wire

Claims (2)

結束機本体に回転可能に配置されたワイヤリールからワイヤを送り方向へ送り出して複数本の鉄筋の周囲に巻き付けた後に上記ワイヤを捩って結束する鉄筋結束機であって、
上記ワイヤリールの係合部に係合可能なブレーキ手段と、上記ワイヤリールから上記ワイヤを所定長さ送り出した後に上記ブレーキ手段を駆動させる駆動手段とを備え、
上記駆動手段とワイヤリールとの間をカバーで仕切り、ワイヤリールから駆動手段を覆い隠す
ことを特徴とする鉄筋結束機におけるワイヤリールのブレーキ機構。 A rebar bundling machine that twists the wire and binds it after winding the wire around a plurality of rebars from a wire reel rotatably arranged on the bundling machine body,
Brake means that can be engaged with the engaging portion of the wire reel, and drive means for driving the brake means after the wire is fed out from the wire reel for a predetermined length,
A wire reel brake mechanism in a reinforcing bar binding machine, wherein the drive means and the wire reel are partitioned by a cover and the drive means is covered from the wire reel. 結束機本体に回転可能に配置されたワイヤリールからワイヤを送り方向へ送り出して複数本の鉄筋の周囲に巻き付けた後に上記ワイヤを捩って結束する鉄筋結束機であって、
上記ワイヤリールの係合部に係合可能なブレーキ手段と、
上記ワイヤリールから上記ワイヤを所定長さ送り出した後に上記ブレーキ手段を駆動させる駆動手段と、
上記ブレーキ手段に掛装され、上記ブレーキ手段が上記係合部と係合した後に上記ブレーキ手段を初期位置に復帰させる付勢手段と
を備える鉄筋結束機におけるワイヤリールのブレーキ機構。 A rebar bundling machine that twists the wire and binds it after winding the wire around a plurality of rebars from a wire reel rotatably arranged on the bundling machine body,
Brake means engageable with the wire reel engaging portion;
Drive means for driving the brake means after feeding the wire from the wire reel a predetermined length;
A wire reel brake mechanism in a reinforcing bar binding machine, comprising: an urging means that is hooked on the brake means and that returns the brake means to an initial position after the brake means engages with the engaging portion.
JP2009092693A 2008-05-19 2009-04-07 Brake mechanism of wire reel in reinforcing bar binding machine Active JP5369846B2 (en)

Priority Applications (32)

Application Number Priority Date Filing Date Title
JP2009092693A JP5369846B2 (en) 2008-05-19 2009-04-07 Brake mechanism of wire reel in reinforcing bar binding machine
EP14001357.4A EP2757211B1 (en) 2008-05-19 2009-04-24 Brake system of wire reel in reinforcing bar binding machine
EP09005766.2A EP2123847B1 (en) 2008-05-19 2009-04-24 Brake system of wire reel in reinforcing bar binding machine
DK18208035.8T DK3483360T3 (en) 2008-05-19 2009-04-24 WIRE COIL BRAKE SYSTEM IN A MACHINE FOR BINDING REINFORCING BARS
EP15002542.7A EP2977527B1 (en) 2008-05-19 2009-04-24 Brake system of wire reel in reinforcing bar binding machine
EP18208035.8A EP3483360B1 (en) 2008-05-19 2009-04-24 Brake system of wire reel in reinforcing bar binding machine
LTEP18208035.8T LT3483360T (en) 2008-05-19 2009-04-24 Brake system of wire reel in reinforcing bar binding machine
TW104112995A TWI589369B (en) 2008-05-19 2009-05-05 Reinforcing bar binding machine
CA2665299A CA2665299C (en) 2008-05-19 2009-05-05 Brake system of wire reel in reinforcing bar binding machine
CA2937347A CA2937347C (en) 2008-05-19 2009-05-05 Brake system of wire reel in reinforcing bar binding machine
TW106111671A TWI614069B (en) 2008-05-19 2009-05-05 Reinforcing bar binding machine
TW106143133A TWI650193B (en) 2008-05-19 2009-05-05 Reinforcing bar binding machine
TW098114805A TWI516320B (en) 2008-05-19 2009-05-05 Brake system of wire reel in reinforcing bar binding machine
TW104133157A TWI581875B (en) 2008-05-19 2009-05-05 Reinforcing bar binding machine
BRPI0901540-0A BRPI0901540B1 (en) 2008-05-19 2009-05-15 reinforcement bar connection machine
RU2009118692/02A RU2496630C2 (en) 2008-05-19 2009-05-18 Brake for reel with wire in reinforcing rod strapping machine
ARP090101771A AR072783A1 (en) 2008-05-19 2009-05-18 CABLE DRUM BRAKE SYSTEM IN REINFORCEMENT BAR UNION MACHINE
CL2009001208A CL2009001208A1 (en) 2008-05-19 2009-05-18 Braking processing method of a cable drum in a reinforcing bar joint machine, which comprises starting a braking by means of a braking element and braking a feeding element.
US12/467,459 US9192979B2 (en) 2008-05-19 2009-05-18 Brake system of wire reel in reinforcing bar binding machine
KR1020090043712A KR101620634B1 (en) 2008-05-19 2009-05-19 Brake system of wire reel in reinforcing bar binding machine
CN2009102030903A CN101585419B (en) 2008-05-19 2009-05-19 Brake device for wire reel of reinforcing bar binder
CN201210030548.1A CN102556393B (en) 2008-05-19 2009-05-19 The brake unit of the wire reel of reinforcing-bar binding machine
PCT/JP2009/059218 WO2009142213A1 (en) 2008-05-19 2009-05-19 Brake device for wire reel of reinforcing bar binder
US14/276,066 US9132472B2 (en) 2008-05-19 2014-05-13 Brake system of wire reel in reinforcing bar binding machine
US14/526,858 US9308572B2 (en) 2008-05-19 2014-10-29 Brake system of wire reel in reinforcing bar binding machine
US14/704,360 US9221566B2 (en) 2008-05-19 2015-05-05 Brake system of wire reel in reinforcing bar binding machine
US15/059,942 US9399875B2 (en) 2008-05-19 2016-03-03 Brake system of wire reel in reinforcing bar binding machine
KR1020160054415A KR101708148B1 (en) 2008-05-19 2016-05-03 Brake system of wire reel in reinforcing bar binding machine
US15/180,706 US10167095B2 (en) 2008-05-19 2016-06-13 Brake system of wire reel in reinforcing bar binding machine
US15/639,853 US9856041B2 (en) 2008-05-19 2017-06-30 Brake system of wire reel in reinforcing bar binding machine
US16/106,768 US10457428B2 (en) 2008-05-19 2018-08-21 Brake system of wire reel in reinforcing bar binding machine
US16/564,950 US11780621B2 (en) 2008-05-19 2019-09-09 Brake system of wire reel in reinforcing bar binding machine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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