JP2009208800A - Tension adjusting device for band-like packaging cord - Google Patents

Tension adjusting device for band-like packaging cord Download PDF

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JP2009208800A
JP2009208800A JP2008051591A JP2008051591A JP2009208800A JP 2009208800 A JP2009208800 A JP 2009208800A JP 2008051591 A JP2008051591 A JP 2008051591A JP 2008051591 A JP2008051591 A JP 2008051591A JP 2009208800 A JP2009208800 A JP 2009208800A
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packing string
tension adjusting
tension
roll
belt
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JP4834014B2 (en
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Takehito Nakamura
雄仁 中村
Saburo Sato
三郎 佐藤
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Yamada Kikai Kogyo KK
Yamada Kikai Kogyo Co Ltd
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Yamada Kikai Kogyo KK
Yamada Kikai Kogyo Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a tension adjusting device that adjusts the tension of a band-like packaging cord when the packaging cord is wound around a box-like package by the use of a binding device, and smoothly supplies the packaging cord while preventing a foreign matter from sticking to the cord and preventing the cord from being cracked. <P>SOLUTION: The tension adjusting device is disposed in the binding device used for winding the band-like packaging cord 1 around a package and forming a knot, and adjusts the tension of the packaging cord 1. An undriven upper tension adjusting roll 3 and a lower tension adjusting roll 4 which pinch the packaging cord 1 and supply it to the binding device are disposed above and below the packaging cord 1. The upper tension adjusting roll 3 is vertically movable by an air cylinder. A torque adjusting device is attached to the rotating shaft of the lower tension adjusting roll 4 via a speed reduction device. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、リールから供給される帯状の荷造ひもを箱状の荷物に巻き付けて縛る一連の動作を行なう結束装置に配設されて荷造ひもの張力を調整する張力調整装置に関するものである。   The present invention relates to a tension adjusting device that is disposed in a bundling device that performs a series of operations for wrapping and tying a strip-shaped packing string supplied from a reel around a box-shaped load to adjust the tension of the packing string.

図６に示すような箱状の荷物10に荷造ひも１を縛り付けて結束作業を自動的に行なう結束装置は、従来から種々検討されている（たとえば特許文献１，２参照）。このような結束装置で使用される荷造ひも１は業務用として製造されたものであり、図７に示すように、芯材11に荷造ひも１を巻き付けて円筒状の成形体２（以下、リールという）として荷造ひも１の製造元から出荷される。   Various bundling devices that automatically bind the bundling string 1 by binding the packing string 1 to a box-shaped baggage 10 as shown in FIG. 6 have been studied (see, for example, Patent Documents 1 and 2). The packing string 1 used in such a binding apparatus is manufactured for business use. As shown in FIG. 7, the packing string 1 is wound around a core material 11 to form a cylindrical molded body 2 (hereinafter referred to as a reel). And shipped from the manufacturer of the packing string 1.

業務用のリール２では、大量の荷造ひも１を小さい体積に巻き付けるために、荷造ひも１を幅方向に広げて幅広の帯状にして巻き付けたものが多い。帯状の荷造ひも１を使用すると、図６に示す状態で荷物10の角部に応力が集中しないので、荷物10の変形や角部の窪みを防止できる。そこで、帯状の荷造ひも１で荷物10の結束を行なう技術が検討されている。   In many business reels 2, in order to wind a large amount of packing string 1 in a small volume, the packing string 1 is widened in the width direction and wound into a wide band. When the belt-shaped packing string 1 is used, stress is not concentrated on the corner portion of the load 10 in the state shown in FIG. 6, so that deformation of the load 10 and depression of the corner portion can be prevented. Therefore, a technique for binding the luggage 10 with the belt-shaped packing string 1 is being studied.

たとえば特許文献３には、幅３〜４cmの荷造ひもをロール巻きにして、その回転軸が荷造ひもの進行方向に直角になるように設定し、ショックアブソーバーを経て結束装置へ供給する技術が開示されている。この技術は、結束装置内の荷物が所定の位置に到達したことを示す結束装置からの信号に応じて、荷造ひものリールが慣性で回転するのを停止させることによって、余分な荷造ひもが結束装置内に溢れるのを防止する。このようにして帯状の荷造ひもを結束装置に供給することができる。   For example, Patent Document 3 discloses a technique in which a packing string having a width of 3 to 4 cm is wound around a roll, the rotation axis thereof is set to be perpendicular to the traveling direction of the packing string, and then supplied to the binding device via a shock absorber. Has been. This technology binds excess packing strings by binding the reels of the packing string in an inertial manner in response to a signal from the binding apparatus indicating that the load in the binding apparatus has reached a predetermined position. Prevents overflowing into the device. In this way, the belt-like packing string can be supplied to the binding device.

しかしながら特許文献３には、荷造ひもの張力の調整や結び目の形成に関する記載はない。荷造ひもの結び目を形成する部材（以下、結び目形成具という）は、一般にビーク（特許文献２参照）と呼ばれており、
(a) 荷造ひもを把持する、
(b) 荷造ひもを環状に保持して輪を形成する、
(c) 荷造ひもを輪に通す、
(d) 荷造ひもの輪を絞る、
(e) 荷造ひもを切断する
という複雑かつ細かい一連の動作を行なうものである。これらの動作を円滑に行ない、かつ十分な拘束力を持つ結び目を形成するためには、荷造ひもの張力を調整して好適な範囲に維持する必要がある。そこで帯状の荷造ひもの張力を調整する技術が検討されている。 However, Patent Document 3 does not describe the adjustment of the tension of the packing string or the formation of the knot. A member for forming a knot of a packing string (hereinafter referred to as a knot forming tool) is generally called a beak (see Patent Document 2),
(a) Hold the packing string,
(b) forming a ring by holding the packing string in a ring,
(c) Pass the packing string through a ring,
(d) squeeze the packing string,
(e) A series of complicated and detailed operations of cutting a packing string. In order to perform these operations smoothly and form a knot having a sufficient restraining force, it is necessary to adjust the tension of the packing string and maintain it within a suitable range. Therefore, a technique for adjusting the tension of the belt-like packing string has been studied.

たとえば図８に示すような、板ばねを帯状の荷造ひもに当接させて張力を調整する試みがなされている。図８中の矢印Ａは荷造ひも１の進行方向を示す。この技術では、板ばね17の表面を化学樹脂で被覆し、エアシリンダー（図示せず）で上下方向に移動することによって、荷造ひも１の張力を調整する。ところが、荷造ひも１と板ばね17の摩擦によって静電気が発生し、荷造ひも１に異物（たとえば塵，埃等）が付着するという問題がある。また板ばね17が荷造ひも１に当接することによって、荷造ひも１に亀裂が生じ、荷造ひも１の強度が低下するという問題もある。しかも、単に板ばね17を荷造ひも１に当接させるだけでは、荷造ひも１の厚みの僅かな変化に対応できない。
特開平9-309506号公報 特開平10-194221号公報 特開2003-267304 号公報 For example, as shown in FIG. 8, an attempt is made to adjust the tension by bringing a leaf spring into contact with a belt-like packing string. An arrow A in FIG. 8 indicates the traveling direction of the packing string 1. In this technique, the surface of the leaf spring 17 is covered with a chemical resin, and the tension of the packing string 1 is adjusted by moving it up and down with an air cylinder (not shown). However, there is a problem that static electricity is generated by friction between the packing string 1 and the leaf spring 17 and foreign matters (for example, dust, dust, etc.) adhere to the packing string 1. Further, when the leaf spring 17 contacts the packing string 1, there is a problem that the packing string 1 is cracked and the strength of the packing string 1 is lowered. In addition, a simple change in the thickness of the packing string 1 cannot be handled by simply bringing the leaf spring 17 into contact with the packing string 1.
JP-A-9-309506 Japanese Patent Laid-Open No. 10-194221 JP 2003-267304 A

本発明は、結束装置を用いて帯状の荷造ひもを箱状の荷物に巻き付けて縛るにあたって、荷造ひもの張力を調整するとともに、異物の付着や亀裂の発生を防止して荷造ひもを円滑に供給できる張力調整装置を提供することを目的とする。   The present invention uses a bundling device to wrap and tie a belt-shaped packing string around a box-shaped baggage, and adjusts the tension of the packing string and prevents the adhesion of foreign substances and cracks to supply the packing string smoothly. It is an object of the present invention to provide a tension adjusting device that can perform this.

本発明は、帯状の荷造ひもを荷物に巻き付けさらに結び目を形成する結束装置に配設されて、荷造ひもの張力を調整する張力調整装置であって、荷造ひもを挟持して結束装置に供給する無駆動の張力調整上ロールと張力調整下ロールとを荷造ひもの上下両側にそれぞれ配置し、張力調整上ロールをエアシリンダーによって上下方向に移動可能とし、張力調整下ロールの回転軸に減速機を介してトルク調整機を取付ける張力調整装置である。   The present invention is a tension adjusting device that is arranged in a binding device that winds a belt-shaped packing string around a load and further forms a knot, and adjusts the tension of the packing cord, and supplies the strap to the binding device by sandwiching the packing string A non-driven tension adjustment upper roll and tension adjustment lower roll are arranged on the upper and lower sides of the packing string respectively, and the tension adjustment upper roll can be moved vertically by an air cylinder, and a speed reducer is installed on the rotation axis of the tension adjustment lower roll. It is a tension adjusting device to which a torque adjuster is attached.

本発明の張力調整装置においては、減速機として、２個以上の歯車を組合せたものを使用することが好ましい。また、トルク調整機として、磁石から発生する磁束が回転体の回転に負荷を加えることによってトルクを調整する機構を有するものを使用することが好ましい。また、張力調整上ロールと張力調整下ロールとを荷造ひもの上下両側に１対または２対配置することが好ましい。その張力調整上ロールと張力調整下ロールは、いずれも摩擦係数の高い物質（たとえばウレタンゴム等）で被覆されることが好ましい。   In the tension adjusting device of the present invention, it is preferable to use a combination of two or more gears as a speed reducer. Moreover, it is preferable to use what has a mechanism in which the magnetic flux generated from a magnet applies a load to rotation of a rotary body, and adjusts a torque as a torque regulator. Moreover, it is preferable to arrange one or two pairs of tension adjusting upper roll and tension adjusting lower roll on the upper and lower sides of the packing string. Both the tension adjusting upper roll and the tension adjusting lower roll are preferably coated with a substance having a high friction coefficient (for example, urethane rubber).

本発明によれば、結束装置を用いて帯状の荷造ひもを箱状の荷物に巻き付けて縛るにあたって、荷造ひもの張力を調整するとともに、異物の付着や亀裂の発生を防止して荷造ひもを円滑に供給できる。   According to the present invention, when wrapping a belt-like packing string around a box-shaped load using a binding device, the tension of the packing string is adjusted and the packing string is prevented from being attached and cracking. Can supply.

図１は、本発明の張力調整装置を配設した例を模式的に示す斜視図である。なお図１には、張力調整装置を構成する張力調整上ロール３と張力調整下ロール４を示す。
図１に示すように、帯状の荷造ひも１を巻き付けたリール２を水平支持具５に装着して、リール２の中心軸を水平に保ち、かつ回転可能に保持する。なおリール２の回転は、ピンチロール９が荷造ひも１を引っ張ることによって生じるものであり、水平支持具５に回転用の駆動力源を配設する必要はない。荷造ひも１はピンチロール９の駆動力によって固定ロール６，可動ロール７を経て結束装置（図示せず）へ供給される。図１中の矢印Ａは荷造ひも１の進行方向を示す。 FIG. 1 is a perspective view schematically showing an example in which the tension adjusting device of the present invention is arranged. FIG. 1 shows a tension adjustment upper roll 3 and a tension adjustment lower roll 4 constituting the tension adjustment device.
As shown in FIG. 1, a reel 2 around which a belt-like packing string 1 is wound is mounted on a horizontal support 5 to keep the central axis of the reel 2 horizontal and rotatably. Note that the rotation of the reel 2 occurs when the pinch roll 9 pulls the packing string 1, and it is not necessary to provide a driving force source for rotation on the horizontal support 5. The packing string 1 is supplied to the bundling device (not shown) through the fixed roll 6 and the movable roll 7 by the driving force of the pinch roll 9. An arrow A in FIG. 1 indicates the traveling direction of the packing string 1.

図１に示す２個の固定ロール６と１個の可動ロール７からなる長さ調整装置は、リール２からピンチロール９を介して連続的に供給される荷造ひも１の供給長さと、後述する結束装置にて間欠的に使用される使用長さとのバランスを調整するものである。固定ロール６は、その位置が固定されており、可動ロール７は、２個の固定ロール６の間に垂下される荷造ひも１の長さに応じて上下方向に自在に移動する。なお固定ロール６，可動ロール７は、いずれも荷造ひも１の進行に伴って回転するので、回転用の駆動力源を配設する必要はない。   The length adjusting device composed of two fixed rolls 6 and one movable roll 7 shown in FIG. 1 has a supply length of the packing string 1 continuously supplied from the reel 2 through the pinch roll 9 and will be described later. The balance with the use length used intermittently with a binding apparatus is adjusted. The position of the fixed roll 6 is fixed, and the movable roll 7 moves freely in the vertical direction according to the length of the packing string 1 that is suspended between the two fixed rolls 6. Since both the fixed roll 6 and the movable roll 7 rotate as the packing string 1 advances, there is no need to provide a driving force source for rotation.

この長さ調整装置と後述する結束装置との中間に張力調整装置を配設する。図１に、張力調整装置を構成する張力調整上ロール３，張力調整下ロール４を示す。張力調整上ロール３と張力調整下ロール４は、いずれも荷造ひも１の進行に伴って回転するので、回転用の駆動力源を配設する必要はない。また、張力調整上ロール３と張力調整下ロール４の表面を摩擦係数の高い物質（たとえばウレタンゴム，化学樹脂等）で被覆すると、挟持する荷造ひも１のスリップを防止できるので、張力調整の精度が向上する。なお、耐磨耗性に優れているウレタンゴムを使用すれば、張力調整上ロール３と張力調整下ロール４の耐用性が向上する。   A tension adjusting device is disposed between the length adjusting device and a bundling device described later. FIG. 1 shows a tension adjustment upper roll 3 and a tension adjustment lower roll 4 constituting a tension adjustment device. Since both the tension adjustment upper roll 3 and the tension adjustment lower roll 4 rotate as the packing string 1 advances, there is no need to provide a driving force source for rotation. In addition, if the surfaces of the tension adjustment upper roll 3 and the tension adjustment lower roll 4 are coated with a substance having a high friction coefficient (for example, urethane rubber, chemical resin, etc.), slipping of the packing string 1 to be sandwiched can be prevented, so that the tension adjustment accuracy Will improve. In addition, if the urethane rubber excellent in abrasion resistance is used, the durability of the tension adjustment upper roll 3 and the tension adjustment lower roll 4 is improved.

張力調整上ロール３は、エアシリンダー（図示せず）によって上下方向に移動する。エアシリンダーを用いて荷造ひも１を押圧することによって、荷造ひも１のスリップを防止するとともに、荷造ひも１の捻れを防止する。その荷造ひも１は、長さ調整装置の可動ロール７の上昇下降に応じて間欠的に進行する。荷造ひも１の進行に合わせて、張力調整上ロール３による押圧と解除を短時間で繰り返し行なう必要があるので、エアシリンダーを用いて張力調整上ロール３を上下方向に移動させる。   The tension adjusting upper roll 3 is moved up and down by an air cylinder (not shown). By pressing the packing string 1 using an air cylinder, the packing string 1 is prevented from slipping and the packing string 1 is prevented from being twisted. The packing string 1 advances intermittently according to the rising and lowering of the movable roll 7 of the length adjusting device. As the packing string 1 advances, it is necessary to repeatedly press and release the tension adjusting upper roll 3 in a short time, and therefore the tension adjusting upper roll 3 is moved in the vertical direction using an air cylinder.

張力調整下ロール４は、トルク調整機によって回転速度を調整する。図２は、張力調整下ロール４にトルク調整機12を取り付けた例を模式的に示す平面図である。張力調整上ロール３は図示を省略する。図２中の矢印Ａは荷造ひも１の進行方向を示す。なお図２には、減速機の一例として歯車18，19を２個組合せたものを使用する例を示す。
本発明では減速機は特定の構成に限定せず、歯車，チェーン，べルト等の従来から知られている部材で構成した減速機を使用する。ただし、歯車を２個以上組合せた減速機を使用すると、減速機が小型化され、かつトルクが確実に伝達されるので好ましい。 The tension-adjusting lower roll 4 adjusts the rotation speed with a torque adjuster. FIG. 2 is a plan view schematically showing an example in which the torque adjuster 12 is attached to the roll 4 under tension adjustment. The tension adjusting upper roll 3 is not shown. An arrow A in FIG. 2 indicates the traveling direction of the packing string 1. FIG. 2 shows an example in which a combination of two gears 18 and 19 is used as an example of a reduction gear.
In the present invention, the speed reducer is not limited to a specific configuration, and a speed reducer constituted by a conventionally known member such as a gear, a chain, or a belt is used. However, it is preferable to use a speed reducer in which two or more gears are combined because the speed reducer can be downsized and torque can be reliably transmitted.

ここでは図２を参照して、２個の歯車で構成される減速機を使用する例について説明する。
図２に示すように、張力調整下ロール４の回転は、歯車18，19（すなわち減速機）を介してトルク調整機12へ伝達される。トルク調整機12は回転体のトルクを調整する機構を内蔵しており、トルク調整機12に設定されたトルクに応じて張力調整下ロール４の回転に負荷を加える。このようにして張力調整下ロール４の回転速度を調整することによって、張力調整装置と後述する荷造ひも拘束具との間の荷造ひもの張力を調整する。 Here, with reference to FIG. 2, an example in which a speed reducer composed of two gears is used will be described.
As shown in FIG. 2, the rotation of the tension-adjusted lower roll 4 is transmitted to the torque adjuster 12 via gears 18 and 19 (that is, a speed reducer). The torque adjuster 12 has a built-in mechanism for adjusting the torque of the rotating body, and applies a load to the rotation of the roll under tension adjustment 4 according to the torque set in the torque adjuster 12. In this way, by adjusting the rotational speed of the roll 4 under tension adjustment, the tension of the packing cord between the tension adjusting device and the packing strap restraint described later is adjusted.

使用するトルク調整機12は、回転体のトルクを調整する機構を有するものであれば良く、その構成は特に限定しない。ただし、磁石から発生する磁束が回転体の回転に負荷を加えることによってトルクを調整するトルク調整機12を使用すれば、温度の変化に起因するトルクの変動が少ない、回転に負荷を加える部位が非接触であるから耐久性に優れている等の効果が得られる。   The torque adjuster 12 to be used is not particularly limited as long as it has a mechanism for adjusting the torque of the rotating body. However, if the torque adjuster 12 that adjusts the torque by applying a load to the rotation of the rotating body by the magnetic flux generated from the magnet is used, there is little torque fluctuation due to a temperature change, and there is a part that applies a load to the rotation Since it is non-contact, effects such as excellent durability can be obtained.

なお図１には、荷造ひも１の上下両側に張力調整上ロール３と張力調整下ロール４を１対配設する例を示したが、本発明では配設される張力調整上ロール３と張力調整下ロール４の数は限定しない。ただし張力調整上ロール３と張力調整下ロール４を多数配設すると、張力調整装置の製造コストが上昇するので、１対または２対が好ましい。
次に図３〜５を参照して、帯状の荷造ひも１で荷物10を縛り、かつ結び目13を形成する手順について説明する。 FIG. 1 shows an example in which a pair of tension adjusting upper roll 3 and tension adjusting lower roll 4 are disposed on both upper and lower sides of the packing string 1, but in the present invention, the tension adjusting upper roll 3 and the tension adjusting upper roll 3 are arranged. The number of adjusted lower rolls 4 is not limited. However, if a large number of tension adjusting upper rolls 3 and tension adjusting lower rolls 4 are arranged, the manufacturing cost of the tension adjusting apparatus increases, and therefore one or two pairs are preferable.
Next, with reference to FIGS. 3 to 5, a procedure for binding the load 10 with the belt-shaped packing string 1 and forming the knot 13 will be described.

図３に示すように、テーブル15の下方に荷造ひも拘束具14を配設する。この荷造ひも拘束具14は、荷造ひも１の端部を固定して、荷造ひも１が外れるのを防止する。一方、テーブル15の上方には荷造ひも誘導具８を配設する。この荷造ひも誘導具８は、荷造ひも１を荷物10に圧着させるために誘導するものであり、荷造ひも１の厚さより広くかつ幅より長い開口部を有する。したがって、荷造ひも１は帯状の幅方向に伸びた状態を維持したまま荷造ひも誘導具８の開口部を通過する。   As shown in FIG. 3, a packing string restraint 14 is disposed below the table 15. The packing string restraint 14 fixes the end of the packing string 1 and prevents the packing string 1 from coming off. On the other hand, a packing string guide 8 is disposed above the table 15. The packing string guide 8 is used to guide the packing string 1 so as to be crimped to the load 10 and has an opening wider than the thickness of the packing string 1 and longer than the width. Therefore, the packing string 1 passes through the opening of the packing string guiding tool 8 while maintaining the state of extending in the band-like width direction.

荷物10はテーブル15上に載置され、矢印Ｂの方向へ移動する。荷物10の移動は、所定の機器を使用して自動的に行なっても良いし、あるいは作業員が手作業で行なっても良い。その結果、図４に示すように、テーブル15上を移動する荷物10によって荷造ひも１が荷造ひも誘導具８から引き出される。このとき荷造ひも１は帯状の幅方向に伸びた状態を維持したまま荷造ひも誘導具８の開口部を通過するので、荷造ひも１が帯状に広がった状態で荷物10に圧着される。   The luggage 10 is placed on the table 15 and moves in the direction of arrow B. The movement of the luggage 10 may be performed automatically using a predetermined device, or may be performed manually by an operator. As a result, as shown in FIG. 4, the packing string 1 is pulled out from the packing string guiding tool 8 by the load 10 moving on the table 15. At this time, since the packing string 1 passes through the opening of the packing string guiding tool 8 while maintaining the state of extending in the band-like width direction, the packing string 1 is crimped to the luggage 10 in a state of spreading in the band shape.

さらに図５に示すように、荷造ひも誘導具８を捻ることによって、荷造ひも１の幅が収縮して狭くなる部位16（以下、縮狭部という）を設ける。こうして形成された縮狭部16を結び目形成具（図示せず）が把持する。結び目形成具は小型の部材であるが、縮狭部を形成することによって、その縮狭部16を容易に把持でき、荷造ひも１を全幅にわたって確実に把持できる。その結果、十分な拘束力を持つ結び目13を形成できる。   Further, as shown in FIG. 5, a portion 16 (hereinafter referred to as a narrowed portion) where the width of the packing string 1 is contracted and narrowed by twisting the packing string guide 8 is provided. A knot former (not shown) grips the narrowed portion 16 formed in this way. Although the knot forming tool is a small member, by forming the narrowed portion, the narrowed portion 16 can be easily gripped, and the packing string 1 can be securely gripped over the entire width. As a result, the knot 13 having sufficient restraining force can be formed.

なお本発明の張力調整装置は摩擦による静電気を発生させないので、荷造ひも１に異物が付着するのを防止できる。また張力調整上ロール３が荷造ひも１を押圧しても、張力調整下ロール４が荷造ひも１を支持するので、荷造ひも１の亀裂は発生しない。   Since the tension adjusting device of the present invention does not generate static electricity due to friction, it is possible to prevent foreign matter from adhering to the packing string 1. Even if the tension adjusting upper roll 3 presses the packing string 1, the tension adjusting lower roll 4 supports the packing string 1, so that the cracking of the packing string 1 does not occur.

図１に示すように本発明の張力調整装置を長さ調整装置と結束装置の中間に配設して、荷造ひもを連続的に、かつ帯状に幅を広げた状態を維持して結束装置へ供給した。張力調整上ロール３は、エアシリンダー（図示せず）によって上下方向に適宜移動させることによって、荷造ひも１を押圧した。張力調整下ロール４には、トルク調整機12としてパーマヒストルクコントローラを取り付けた。これは、永久磁石から発生する磁束が回転体の回転に負荷を加えることによってトルクを調整するものである。   As shown in FIG. 1, the tension adjusting device of the present invention is disposed between the length adjusting device and the bundling device, and the packing string is continuously widened in a band shape to the bundling device. Supplied. The tension adjusting upper roll 3 pressed the packing string 1 by moving it appropriately in the vertical direction by an air cylinder (not shown). A permahis torque controller as a torque adjuster 12 was attached to the roll 4 under tension adjustment. This is to adjust the torque by applying a load to the rotation of the rotating body by the magnetic flux generated from the permanent magnet.

結束装置では、図３〜５に示すように新品のダンボールを板状にして10枚重ねた直方体の荷物10を結束装置で自動的に結束した。
リール１個分の荷造ひもを結束装置へ供給した後、張力調整装置と結束装置を停止し、設備を点検してトラブルの有無を調査するとともに、荷物の結束状態を調査した。その結果、設備のトラブルは皆無であり、結束された荷物の異常は認められなかった。 In the binding device, as shown in FIGS. 3 to 5, a rectangular parallelepiped bag 10 in which ten new cardboards are stacked in a plate shape is automatically bound by the binding device.
After supplying the reel for one reel to the bundling device, the tension adjusting device and the bundling device were stopped, the equipment was inspected for the presence of trouble, and the bundling state of the luggage was investigated. As a result, there was no trouble with the equipment and no abnormality was observed in the bundled luggage.

本発明の張力調整装置を配設した例を模式的に示す斜視図である。It is a perspective view which shows typically the example which has arrange | positioned the tension adjusting device of this invention. 張力調整下ロールにトルク調整機を取り付けた例を模式的に示す平面図である。It is a top view which shows typically the example which attached the torque adjuster to the roll under tension adjustment. 結束装置のテーブル上に荷造を載置した例を模式的に示す斜視図である。It is a perspective view which shows typically the example which mounted packing on the table of a binding device. 図３に示した荷物に荷造ひもを圧着した例を模式的に示す斜視図である。It is a perspective view which shows typically the example which crimped the packing string to the load shown in FIG. 図４に示した荷造ひもに縮狭部を設けた例を模式的に示す斜視図である。It is a perspective view which shows typically the example which provided the narrowing part in the packing string shown in FIG. 箱状の荷物に荷造ひもを縛り付けた例を模式的に示す斜視図である。It is a perspective view which shows typically the example which tied the packing string to the box-shaped load. 荷造ひもをリールに巻き取った例を模式的に示す斜視図である。It is a perspective view which shows typically the example which wound up the packing string on the reel. 板ばねを用いて荷造ひもの張力を調整する例を模式的に示す側面図である。It is a side view which shows typically the example which adjusts the tension of a packing string using a leaf | plate spring.

符号の説明Explanation of symbols

１ 荷造ひも
２ リール
３ 張力調整上ロール
４ 張力調整下ロール
５ 水平支持具
６ 固定ロール
７ 可動ロール
８ 荷造ひも誘導具
９ ピンチロール
10 荷物
・ 芯材
12 トルク調整機
13 結び目
14 荷造ひも拘束具
15 テーブル
16 縮狭部
17 板ばね
18 歯車
19 歯車
DESCRIPTION OF SYMBOLS 1 Packing string 2 Reel 3 Tension adjustment upper roll 4 Tension adjustment lower roll 5 Horizontal support 6 Fixed roll 7 Movable roll 8 Packing string guide 9 Pinch roll
10 Luggage / Core
12 Torque adjuster
13 Knot
14 Packing string restraint
15 tables
16 Narrow part
17 leaf spring
18 gears
19 Gear

Claims (6)

帯状の荷造ひもを荷物に巻き付けさらに結び目を形成する結束装置に配設されて、前記荷造ひもの張力を調整する帯状の荷造ひもの張力調整装置であって、前記荷造ひもを挟持して前記結束装置に供給する無駆動の張力調整上ロールと張力調整下ロールとを前記荷造ひもの上下両側にそれぞれ配置し、前記張力調整上ロールをエアシリンダーによって上下方向に移動可能とし、前記張力調整下ロールの回転軸に減速機を介してトルク調整機を取付けることを特徴とする帯状の荷造ひもの張力調整装置。   A belt-shaped packing string tension adjusting device arranged in a binding device for winding a band-shaped packing string around a load and further forming a knot to adjust the tension of the packing string, A non-driving tension adjusting upper roll and a tension adjusting lower roll to be supplied to the apparatus are arranged on both upper and lower sides of the packing string, respectively, and the tension adjusting upper roll can be moved in the vertical direction by an air cylinder. A tension adjusting device for a belt-like packing string, wherein a torque adjuster is attached to the rotating shaft of the belt through a speed reducer. 前記減速機として、２個以上の歯車を組合せたものを使用することを特徴とする請求項１に記載の帯状の荷造ひもの張力調整装置。   The tension adjusting device for a belt-shaped packing string according to claim 1, wherein a combination of two or more gears is used as the speed reducer. 前記トルク調整機として、磁石から発生する磁束が回転体の回転に負荷を加えることによってトルクを調整する機構を有するものを使用することを特徴とする請求項１または２に記載の帯状の荷造ひもの張力調整装置。   The belt-like packing string according to claim 1 or 2, wherein the torque adjuster uses a mechanism that adjusts the torque by applying a load to the rotation of the rotating body by a magnetic flux generated from a magnet. Tension adjusting device. 前記張力調整上ロールと前記張力調整下ロールとを前記荷造ひもの上下両側に１対または２対配置することを特徴とする請求項１〜３のいずれか一項に記載の帯状の荷造ひもの張力調整装置。   The belt-like packing string according to any one of claims 1 to 3, wherein the tension adjusting upper roll and the tension adjusting lower roll are arranged in one or two pairs on both upper and lower sides of the packing string. Tension adjustment device. 前記張力調整上ロールおよび前記張力調整下ロールが、いずれも摩擦係数の高い物質で被覆されてなることを特徴とする請求項１〜４のいずれか一項に記載の帯状の荷造ひもの張力調整装置。   The tension adjustment of the belt-shaped packing string according to any one of claims 1 to 4, wherein the tension adjustment upper roll and the tension adjustment lower roll are both coated with a material having a high friction coefficient. apparatus. 前記摩擦係数の高い物質として、ウレタンゴムを使用することを特徴とする請求項５に記載の帯状の荷造ひもの張力調整装置。
6. The belt-like packing string tension adjusting device according to claim 5, wherein urethane rubber is used as the material having a high friction coefficient.
JP2008051591A 2008-03-03 2008-03-03 Tension adjustment device for belt-shaped packing string Active JP4834014B2 (en)

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5292697A (en) * 1976-01-28 1977-08-04 Kajimoto Kikai Kogyo Tape tightening mechanism for packer
JPS60204412A (en) * 1984-03-26 1985-10-16 ニチバン株式会社 Bundling method and device thereof
JPH0699925A (en) * 1992-09-16 1994-04-12 Sutorapatsuku Kk Strapping baler
JPH06286714A (en) * 1993-03-31 1994-10-11 Nippon F A Tekunoroji Kk Method and device for binding with band of film and tape chuck, tape cutter, and tape holder therefor
JPH09309506A (en) * 1996-05-21 1997-12-02 Yamada Kikai Kogyo Kk Binding machine
JP2000118507A (en) * 1998-10-15 2000-04-25 Kitani Kosakusho:Kk Band feeder for packing machine
JP2002104735A (en) * 2000-09-25 2002-04-10 Tsudakoma Corp Yarn sheet winder
JP2003146558A (en) * 2001-11-14 2003-05-21 Hitachi Building Systems Co Ltd Rope terminal regulating device of elevator
JP2005247373A (en) * 2004-03-04 2005-09-15 Taiyo Seiki Kk Binder using tape
JP2007106483A (en) * 2005-10-17 2007-04-26 Yamada Kikai Kogyo Co Ltd Binding method using belt-shaped packing string
JP3138816U (en) * 2007-08-23 2008-01-24 株式会社平安製作所 Tension roll device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5292697A (en) * 1976-01-28 1977-08-04 Kajimoto Kikai Kogyo Tape tightening mechanism for packer
JPS60204412A (en) * 1984-03-26 1985-10-16 ニチバン株式会社 Bundling method and device thereof
JPH0699925A (en) * 1992-09-16 1994-04-12 Sutorapatsuku Kk Strapping baler
JPH06286714A (en) * 1993-03-31 1994-10-11 Nippon F A Tekunoroji Kk Method and device for binding with band of film and tape chuck, tape cutter, and tape holder therefor
JPH09309506A (en) * 1996-05-21 1997-12-02 Yamada Kikai Kogyo Kk Binding machine
JP2000118507A (en) * 1998-10-15 2000-04-25 Kitani Kosakusho:Kk Band feeder for packing machine
JP2002104735A (en) * 2000-09-25 2002-04-10 Tsudakoma Corp Yarn sheet winder
JP2003146558A (en) * 2001-11-14 2003-05-21 Hitachi Building Systems Co Ltd Rope terminal regulating device of elevator
JP2005247373A (en) * 2004-03-04 2005-09-15 Taiyo Seiki Kk Binder using tape
JP2007106483A (en) * 2005-10-17 2007-04-26 Yamada Kikai Kogyo Co Ltd Binding method using belt-shaped packing string
JP3138816U (en) * 2007-08-23 2008-01-24 株式会社平安製作所 Tension roll device

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