JP5806083B2 - Wrapping machine equipped with a sandwiching mechanism for bar-shaped items and a method for packing bar-shaped items - Google Patents

Wrapping machine equipped with a sandwiching mechanism for bar-shaped items and a method for packing bar-shaped items Download PDF

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JP5806083B2
JP5806083B2 JP2011239013A JP2011239013A JP5806083B2 JP 5806083 B2 JP5806083 B2 JP 5806083B2 JP 2011239013 A JP2011239013 A JP 2011239013A JP 2011239013 A JP2011239013 A JP 2011239013A JP 5806083 B2 JP5806083 B2 JP 5806083B2
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浮田　和博
和博 浮田
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Furukawa Mfg Co Ltd
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本発明は、包装袋に、細くて硬くて折れやすい棒状被包装物（例えば、そうめん、冷麦、干しうどん、パスタ等の乾麺）を投入した後、棒状被包装物の上端を揃えるために、底部から振動を与える際に被包装物が包装機のクランプに当たって折れることが無いようにするための棒状被包装物の挟み込み機構を備えた包装機及び棒状被包装物の包装方法に関する。   In the present invention, after putting a thin, hard and easy-to-break rod-shaped package (for example, dried noodles such as somen, cold wheat, dried udon, pasta, etc.) into the packaging bag, The present invention relates to a packaging machine provided with a sandwiching mechanism for a rod-shaped packaged object so that the packaged product does not break when hit by a clamp of the packaging machine when vibration is applied from the packaging machine, and a packaging method for the rod-shaped packaged object.

特許文献１のような包装機は、いわゆるロータリー式包装機であって、包装袋の供給工程、印字工程、包装袋を開口する包装袋の袋口開工程、充填物の充填工程、包装袋の正面と背面及び底部から振動を与えて被包装物を揃える振動工程、シール工程、シール部の冷却及び良品排出工程を順次、実施して包装を完成する。   The packaging machine as in Patent Document 1 is a so-called rotary packaging machine, which is a packaging bag supply process, a printing process, a packaging bag opening process for opening a packaging bag, a filling filling process, A packaging process is completed by sequentially carrying out a vibration process for arranging the objects to be packaged by applying vibrations from the front, back and bottom, a sealing process, a cooling of the sealing part, and a non-defective product discharging process.

特許文献１の包装機は、供給工程において、ロータの周縁に設置した１組のクランプアームに、積層する包装袋の１枚を供給すると、ロータの時計方向への間欠回転によって前記クランプアームは、包装袋を吊り下げて１ピッチずつ移動し、袋口開工程で開口した包装袋内に充填工程で棒状被包装物の投入充填を行う。   When the packaging machine of Patent Document 1 supplies one sheet of packaging bags to be laminated to a set of clamp arms installed on the periphery of the rotor in the supplying step, the clamp arm is rotated by intermittent rotation of the rotor in the clockwise direction. The packaging bag is suspended and moved one pitch at a time, and the rod-shaped article to be filled is filled in the packaging bag opened in the bag opening process in the filling process.

そして、後位の振動工程では、包装袋の背面側に設けられた受け板と、流体シリンダに支持する一対の可動クリップ及び一対の押圧体とを対向させ、流体シリンダによって振動を発生させて、包装袋内の被包装物の姿勢を修正する。さらに、この特許文献１では、姿勢を修正するために被包装物を下から押し上げるバイブレーション装置が設けられている（段落番号（０００８）及び図３参照）。   And, in the rear vibration process, the receiving plate provided on the back side of the packaging bag is opposed to the pair of movable clips and the pair of pressing bodies supported by the fluid cylinder, and the fluid cylinder generates vibration, Correct the posture of the packaged item in the packaging bag. Furthermore, in this patent document 1, in order to correct a posture, the vibration apparatus which pushes up a to-be-packaged object from the bottom is provided (refer paragraph number (0008) and FIG. 3).

特許第３８２０３４３号公報Japanese Patent No. 3820343 実用新案登録第３１０７０９８号公報Utility Model Registration No. 31007098

棒状被包装物には、特許文献１の例に示すような沢庵のようなもの以外に、例えば、そうめん、冷麦、干しうどん、パスタ等の乾麺があるが、投入直後の乾麺の上面高さや姿勢が揃っていない場合があるので、それらを揃えるために前記特許文献１の可動クリップ及び一対の押圧体とで振動を発生させて、包装袋内の被包装物の姿勢を修正し、バイブレーション装置で袋底を上方に突き上げるように振動を与えるが、以下のように棒状被包装物が折れるおそれがある。   The rod-shaped packaged goods include, for example, dry noodles such as somen, cold wheat, dried udon, pasta, etc., in addition to the ones shown in the example of Patent Document 1, but the top surface height and posture of the dry noodles immediately after charging In order to align them, a vibration is generated with the movable clip and the pair of pressing bodies in Patent Document 1 to correct the posture of the packaged item in the packaging bag, and the vibration device Although vibration is given so as to push up the bag bottom upward, the rod-shaped package may be broken as follows.

図２は、乾麺等の棒状被包装物１を包装袋２に投入して上下に振動を与える状態を示した模式図である。バイブレーション装置３で乾麺等の棒状被包装物１に上下方向（矢印ｈ１）の振動を与えると、包装袋２にはサイドシールが無いため、棒状被包装物１内において、包装袋２の両側縁部内に投入されている棒状被包装物１の一部は、バイブレーション装置３の上動で、一対のクランプアーム４先端のクランプ５と、バイブレーション装置３の平板３ａとの間に挟まって折れるおそれがある。   FIG. 2 is a schematic view showing a state in which a rod-shaped article 1 such as dry noodles is put into the packaging bag 2 and vibrations are given up and down. When vibration in the vertical direction (arrow h1) is applied to the rod-shaped article 1 such as dry noodles using the vibration device 3, the packaging bag 2 has no side seal. A part of the rod-shaped article 1 placed in the part may be folded between the clamp 5 at the tip of the pair of clamp arms 4 and the flat plate 3a of the vibration device 3 when the vibration device 3 moves upward. is there.

そこで本発明は、バイブレーション装置の上動によっても、包装袋内の棒状被包装物１の一部が、クランプアームとバイブレーション装置との間に挟まって折れるのを回避するための、挟み込み機構を備えた包装機及び包装方法を提供することを目的とする。   Therefore, the present invention is provided with a pinching mechanism for avoiding a part of the rod-shaped article 1 in the packaging bag from being pinched between the clamp arm and the vibration device even when the vibration device is moved upward. An object is to provide a packaging machine and a packaging method.

本発明の棒状被包装物の挟み込み機構を備えた包装機は、一対のクランプアームを備え、このクランプアームで包装袋の両側縁部を挟持しながら折れやすい棒状被包装物を充填し、前記棒状被包装物の上端を揃えるために、上下方向の振動を与えるバイブレーション装置を備えた包装機において、前記包装機の被包装物充填セクション後位の振動セクションに、包装袋の両側縁部及び棒状被包装物をクランプの対向間隔より小さく内側に寄せるための挟み込み機構を備え、前記バイブレーション装置は、前記挟み込機構の挟み込み作動後に動作する、ことを特徴とする。 Packaging machine equipped with a pinching mechanism of the rod-like articles to be packaged according to the present invention includes a pair of clamp arms, filled with fragile rod-shaped objects to be packaged while sandwiching the side edge portions of the packaging bag with the clamping arm, the rod-shaped In a packaging machine equipped with a vibration device for applying vertical vibrations in order to align the upper ends of the items to be packaged, both sides of the packaging bag and the rod-shaped covers are placed in the vibration section at the rear of the package filling section of the packaging machine. A sandwiching mechanism is provided for moving the package to the inside smaller than the opposing spacing of the clamps, and the vibration device operates after the sandwiching operation of the sandwiching mechanism .

本発明の棒状被包装物の包装方法は、一対のクランプアームを備え、このクランプアームで包装袋の両側縁部を挟持しながら折れやすい棒状被包装物を充填し、前記棒状被包装物の上端を揃えるために、上下方向の振動を与えるバイブレーション装置を備えた包装機における棒状被包装物の包装方法であって、この棒状被包装物の包装方法は、棒状被包装物充填セクションで実施される充填物の充填工程と、この充填物の充填工程後位の振動セクションで、挟み込み機構により包装袋の両側縁部及び棒状被包装物をクランプの対向間隔より小さく内側に寄せて、棒状被包装物を前記一対のクランプアーム下域から退避させた後に、包装袋と棒状被包装物とに上下方向に振動を与える振動工程と、を有することを特徴とする。 The method for packaging a rod-shaped package according to the present invention includes a pair of clamp arms, and the clamp arm is filled with a rod-shaped package that is easy to break while sandwiching both side edges of the packaging bag, and the upper end of the rod-shaped package In order to align the rod-shaped article, the method for packaging the rod-shaped article in a packaging machine having a vibration device that applies vibration in the vertical direction is performed in the rod-shaped article filling section. In the filling process of the filling and the vibration section at the rear of the filling process, the both side edges of the packaging bag and the bar-shaped package are moved to the inside smaller than the opposing distance of the clamp by the sandwiching mechanism , and the bar-shaped package And a vibration step of vibrating the packaging bag and the rod-shaped article to be packaged in the vertical direction after retreating from the lower region of the pair of clamp arms.

上記の構成及び方法により、棒状被包装物を充填した状態でクランプアームに両側縁部を挟持して懸垂された包装袋は、被包装物充填セクション後位の振動セクションでの停止時に、挟み込み機構の挟み込み作動により包装袋の両側縁部が内側に寄せられる。その結果、包装袋の両側縁部内に存在している棒状被包装物は、中央側に寄せられてクランプアームの下域から退避する。これにより、包装袋内の棒状被包装物がクランプアームと振動装置との間に挟まって折れるのを回避できる。 With the above-described configuration and method, the packaging bag that is hung from both sides of the clamp arm while being filled with the rod-shaped article to be packed is held by the holding mechanism at the vibration section at the rear of the article-filling section. The both side edges of the packaging bag are moved inward by the sandwiching operation. As a result, the rod-shaped articles to be packaged in the side edges of the packaging bag are moved toward the center and retracted from the lower region of the clamp arm. Thereby, it can avoid that the rod-shaped to-be-packaged item in a packaging bag is pinched | interposed between a clamp arm and a vibration apparatus, and is broken.

本発明の包装機及び包装方法は、包装袋内の棒状被包装物の一部がクランプアームと振動装置との間に挟まって折れるのを回避できる。   The packaging machine and the packaging method of the present invention can avoid a part of the rod-shaped article to be packaged in the packaging bag from being pinched between the clamp arm and the vibration device.

棒状被包装物の挟み込み機構の斜視図Perspective view of pinching mechanism for stick-shaped package 従来のバイブレーション装置の模式図Schematic diagram of a conventional vibration device ロータリー式包装機の概略平面図Schematic plan view of rotary packaging machine

（実施例１）
図３において、ロータリー式包装機Ｍは、円形ロータ１０の周縁に２本を一組とする８組のクランプアーム４が支持され、各クランプアーム４は、それぞれの先端に包装袋２の両側縁部を挟持するクランプ５を備える。図示していないモータの動力を、間欠回転伝達機構（図示省略）を介してロータ１０の中心軸１０ａに伝えると、ロータ１０は８組のクランプアーム４の円周方向間隔に相当する４５゜の進角ピッチで時計まわり（矢印Ｒ１）に間欠回転する。 (Example 1)
In FIG. 3, the rotary packaging machine M is supported by eight sets of clamp arms 4, each set of two on the peripheral edge of the circular rotor 10, and each clamp arm 4 has both ends of the packaging bag 2 at the respective ends. The clamp 5 which clamps a part is provided. When the power of a motor (not shown) is transmitted to the central shaft 10a of the rotor 10 via an intermittent rotation transmission mechanism (not shown), the rotor 10 has a 45 ° angle corresponding to the circumferential interval between the eight sets of clamp arms 4. Intermittently rotates clockwise (arrow R1) at an advance pitch.

ロータ１０は、包装袋の供給工程を実施する包装袋供給セクション（１）、包装袋の袋口開工程と印字工程とを併せて実施する袋口開セクション（２）、充填物の充填工程を実施する棒状被包装物充填セクション（３）、第１振動工程を実施する第１振動セクション（４）、第２振動工程を実施する第２振動セクション（５）、姿勢調整工程を実施する姿勢調整セクション（６）、包装袋内の空気を抜くと共に、袋口をシールするシールセクション（７）、包装袋のシール部の冷却及び製品排出工程を実施する排出セクション（８）の各セクションを備え、各セクションにおいて所定時間停止して作業を行う。従って、包装袋供給セクション（１）でクランプアーム４に供給された包装袋２は、その両側縁部をクランプアーム４に挟持された懸垂状態で、４５゜の進角ピッチで１ピッチずつロータ１０外域の円軌道Ｒに沿って排出セクション（８）に向けて間欠搬送される。   The rotor 10 includes a packaging bag supply section (1) for carrying out a packaging bag supply process, a bag opening section (2) for carrying out a packaging bag opening process and a printing process, and a filling process for filling. Bar-shaped article filling section (3) to be performed, first vibration section (4) to perform the first vibration step, second vibration section (5) to perform the second vibration step, posture adjustment to perform the posture adjustment step Each section includes a section (6), a seal section (7) for evacuating the air in the packaging bag and sealing the bag mouth, and a discharge section (8) for cooling the sealing portion of the packaging bag and performing a product discharge process, Work in each section for a predetermined time. Therefore, the packaging bag 2 supplied to the clamp arm 4 in the packaging bag supply section (1) is suspended from the rotor 10 by 45 degrees at an advance angle of 45 ° with its both side edges held between the clamp arms 4. It is intermittently transported toward the discharge section (8) along the outer circular path R.

包装袋供給セクション（１）には、袋箱１１に多数枚の包装袋２が積層されており、積層されている多数枚の包装袋２は、図示していない吸盤で上から順に１枚づつ吸着してクランプ５に供給され、その両側縁部を挟持して懸垂される。袋口開セクション（２）では、先ず、図示していない印字手段により、例えば、賞味期限や製造年月日等が包装袋２の表面適所に印字された後、吸盤１２により包装袋２の前後面を吸引しながら拡開して袋口２ａが開口される。この場合、クランプアーム４の円周方向間隔は、袋口２ａの開口を助長するために僅かに縮小される。   In the packaging bag supply section (1), a large number of packaging bags 2 are stacked in a bag box 11, and the stacked multiple packaging bags 2 are sequentially placed one by one from the top with a suction cup (not shown). It is adsorbed and supplied to the clamp 5 and is suspended while sandwiching both side edges thereof. In the bag opening section (2), first, after the expiration date, the date of manufacture, etc. are printed at appropriate positions on the surface of the packaging bag 2 by a printing means (not shown), The bag mouth 2a is opened by expanding while sucking the surface. In this case, the circumferential spacing of the clamp arms 4 is slightly reduced to facilitate the opening of the bag mouth 2a.

棒状被包装物充填セクション（３）では、投入コンベア１３の間欠運転によって搬送される所定量の乾麺等の棒状被包装物１が、反転・反転戻り動作する反転投入装置（図示省略）により朝顔型のホッパー８を介して、前記開口している袋口２ａから包装袋２の内部に垂直姿勢で投入される。   In the rod-shaped article filling section (3), a predetermined amount of the rod-like article 1 such as dry noodles conveyed by the intermittent operation of the input conveyor 13 is a morning glory type by a reverse input device (not shown) that performs reverse / reverse operation. The hopper 8 is inserted into the inside of the packaging bag 2 from the opened bag mouth 2a in a vertical posture.

第１振動セクション（４）では、棒状被包装物１の上端を揃えるために、バイブレーション装置３の平板３ａ（図２も併せて参照）を介して、棒状被包装物１に上下方向の振動を与える。この第１振動セクション（４）に、本発明の挟み込み機構６（図１参照）が設置される。図２のバイブレーション装置３は、図１の挟み込み機構６の挟み込み作動完了の直後に駆動されて棒状被包装物１の上端を揃える。   In the first vibration section (4), in order to align the upper ends of the rod-shaped packages 1, the vertical vibration is applied to the rod-shaped packages 1 via the flat plate 3a of the vibration device 3 (see also FIG. 2). give. The pinching mechanism 6 (see FIG. 1) of the present invention is installed in the first vibration section (4). The vibration device 3 of FIG. 2 is driven immediately after completion of the pinching operation of the pinching mechanism 6 of FIG. 1 to align the upper ends of the rod-shaped packages 1.

図３に示す第２振動セクション（５）では、再度、棒状被包装物１の上端と姿勢を揃えるために、バイブレーション装置の平板３ａで棒状被包装物１に上下方向の振動を与える。姿勢調整セクション（６）には、包装袋２の前後面に対向する波板状の厚手のスポンジ板体からなるソフト弾性材１４ａを備えた一対の可動ブロック１４が、包装袋２の前後面に接近・離反可能、かつ、相反する左右方向への振動を可能に設置されている。従って、一対の可動ブロック１４を互いに接近させて包装袋２及び棒状被包装物１に弾性材１４ａでソフトな挟圧力を作用させると共に、一対の可動ブロック１４を所定の振幅で相反する左右方向に振動させると、姿勢調整セクション（６）への到達時には、比較的束状に包装袋２に収容されている棒状被包装物１がソフトに揉みほぐされて平たく姿勢調整され、包装袋２内で整列する。ここで、クランプアーム４の円周方向間隔は、袋口２ａを閉じるために僅かに拡大して元の円周方向間隔に復元する。   In the second vibration section (5) shown in FIG. 3, in order to align the posture with the upper end of the rod-shaped article 1 again, vertical vibration is given to the rod-like article 1 by the flat plate 3a of the vibration device. In the posture adjustment section (6), a pair of movable blocks 14 provided with a soft elastic material 14 a made of a corrugated thick sponge plate opposed to the front and rear surfaces of the packaging bag 2 are provided on the front and rear surfaces of the packaging bag 2. It is installed so that it can approach and leave and can vibrate in the opposite left and right directions. Accordingly, the pair of movable blocks 14 are brought close to each other, and a soft clamping force is applied to the packaging bag 2 and the rod-shaped article 1 by the elastic material 14a, and the pair of movable blocks 14 are opposed to each other in the left-right direction with a predetermined amplitude. When it is vibrated, when it reaches the posture adjustment section (6), the rod-shaped article 1 accommodated in the packaging bag 2 in a relatively bundle shape is softly loosened and flattened and adjusted in a flat manner. Align. Here, the circumferential interval of the clamp arm 4 is slightly enlarged to restore the original circumferential interval in order to close the bag mouth 2a.

シールセクション（７）には、包装袋２の前後面に対向する厚手のスポンジ板体からなるソフト弾性材１５ａを備えた一対の可動ブロック１５が、包装袋２の前後面に接近・離反可能に設置されている。従って、包装袋２の袋口２aをシールする前に、一対の可動ブロック１５を互いに接近させて、包装袋２をソフト弾性材１４ａで挟圧することで、包装袋２内の空気を排除して脱気した後、加熱シールする。   In the seal section (7), a pair of movable blocks 15 provided with a soft elastic material 15a made of a thick sponge plate opposed to the front and rear surfaces of the packaging bag 2 can approach and separate from the front and rear surfaces of the packaging bag 2. is set up. Therefore, before the bag mouth 2a of the packaging bag 2 is sealed, the air in the packaging bag 2 is eliminated by bringing the pair of movable blocks 15 close to each other and clamping the packaging bag 2 with the soft elastic material 14a. After deaeration, heat seal.

排出セクション（８）では、前記シールセクション（７）で加熱シールにより温度の上がったシール部を冷却手段（図示省略）で冷却した後、クランプ５による包装袋２の両側縁部の挟持を解除し、案内板（シューター）１６を介して搬出コンベア１７上に導き、搬出コンベア１７により搬出されて梱包されることになる。
以上を順次、実施して包装を完成する。 In the discharge section (8), after the seal portion whose temperature has been raised by the heat seal in the seal section (7) is cooled by a cooling means (not shown), the clamping of the side edges of the packaging bag 2 by the clamp 5 is released. Then, it is guided onto the carry-out conveyor 17 through the guide plate (shooter) 16 and is carried out and packed by the carry-out conveyor 17.
The above is sequentially performed to complete the packaging.

次に、図１に示す挟み込み機構６について説明する。本発明の挟み込み機構６は、第１振動セクション（４）（図３参照）における円軌道Ｒ近傍の外域に設置され、台６０、流体シリンダ６１、連結リンク６２、駆動ピニオン６３、駆動ピニオン６３に噛み合う従動ピニオン６４、左右一対の金属線材６５ａ，６５ｂからなる挟み込み手段６５と、を備える。   Next, the sandwiching mechanism 6 shown in FIG. 1 will be described. The pinching mechanism 6 of the present invention is installed in the outer region near the circular orbit R in the first vibration section (4) (see FIG. 3), and is attached to the base 60, the fluid cylinder 61, the connecting link 62, the drive pinion 63, and the drive pinion 63. The driven pinion 64 which meshes, and the pinching means 65 which consists of a pair of left and right metal wires 65a and 65b.

流体シリンダ６１は、軸線Ｃを円形ロータ１０（図３参照）の接線に略平行させた水平姿勢で、ピン６１ａを揺動中心として水平方向の揺動を可能に台６０の略中央部上面に載置され、そのピストンロッド６１ｂ先端部に基端部が枢支された連結リンク６２の先端部を、駆動ピニオン６３の中心軸６８ａ上端に固着している。駆動ピニオン６３と中心軸６８ａとは、同時に回転できるように一体化されて台６０の上面に回転自在に立設されており、従動ピニオン６４と中心軸６８ｂとは、同時に回転できるように一体化されて台６０の上面に回転自在に立設されている。従動ピニオン６４の中心軸６８ｂの上端に、挟み込み手段６５の一方を構成する左側の金属線材６５ａの基端部が固着され、駆動ピニオン６３の中心軸６８ａの上端に固着されている連結リンク６２の先端部上面に、挟み込み手段６５の他方を構成する右側の金属線材６５ｂの基端部が固着されている。挟み込み手段６５を構成する左右の金属線材６５ａ，６５ｂは、常時は、実線で示すように、開き角度が十分に大きい「ハ」字形を呈し、それぞれの先端部は円軌道Ｒの外域で待機している。   The fluid cylinder 61 has a horizontal posture in which the axis C is substantially parallel to the tangent to the circular rotor 10 (see FIG. 3), and can swing in the horizontal direction around the pin 61a as a swing center. The distal end portion of the connecting link 62 that is placed and whose proximal end portion is pivotally supported by the distal end portion of the piston rod 61b is fixed to the upper end of the center shaft 68a of the drive pinion 63. The drive pinion 63 and the central shaft 68a are integrated so that they can rotate at the same time and are erected on the upper surface of the table 60 so as to be rotatable. The driven pinion 64 and the central shaft 68b are integrated so that they can rotate simultaneously. It is erected on the upper surface of the base 60 so as to be freely rotatable. The base end portion of the left metal wire 65a constituting one of the sandwiching means 65 is fixed to the upper end of the center shaft 68b of the driven pinion 64, and the connecting link 62 fixed to the upper end of the center shaft 68a of the drive pinion 63 is fixed. A proximal end portion of the right metal wire 65b constituting the other of the sandwiching means 65 is fixed to the top surface of the distal end portion. The left and right metal wire members 65a and 65b constituting the sandwiching means 65 always have a "C" shape with a sufficiently large opening angle, as indicated by a solid line, and each tip end stands by in the outer region of the circular orbit R. ing.

金属製湾曲板材からなる検知バー６７と検知台６７bは、棒状被包装物充填セクション（３）と第１振動セクション（４）との間の、通過する包装袋２の高さ位置に設置されている。この検知バー６７は、図示しない支柱に連なる支持棒６７cに支持された検知台６７bに揺動可能に取り付けられ、スイッチング動作を行う。この検知バー６７は、第１振動セクション（４）で停止する前段階で、先端の円弧部６７ａと、この円弧部６７ａと対峙する固定板（図示せず）とで、充填済みの包装袋２を挟み付けて被包装物の充填の有無を検知する。被包装物の未充填を検知した場合、未充填の包装袋２に限り第１振動セクション（４）以降の各セクションでの動作を停止する。   The detection bar 67 and the detection stand 67b made of a metal curved plate material are installed at a height position of the passing packaging bag 2 between the rod-shaped packaged article filling section (3) and the first vibration section (4). Yes. The detection bar 67 is swingably attached to a detection stand 67b supported by a support rod 67c connected to a support (not shown) and performs a switching operation. This detection bar 67 is a stage before stopping at the first vibration section (4), and is filled with a package bag 2 filled with a circular arc portion 67a at the tip and a fixing plate (not shown) facing this circular arc portion 67a. The presence or absence of filling of the package is detected. When unfilling of the article to be packaged is detected, the operation in each section after the first vibration section (4) is stopped only in the unfilled packaging bag 2.

６６は包装袋の振れを止めて案内するすべり案内棒であって、このすべり案内棒６６は、台６０より下方に設けられており、図示しない支柱に連なる平板６６bの先端部に、ロータ１０（図３参照）の曲率半径よりも大きい曲率半径をもつ円弧状の主体部６６ａが溶着されている。   Reference numeral 66 denotes a sliding guide rod for stopping and guiding the swinging of the packaging bag. The sliding guide rod 66 is provided below the base 60, and is attached to the rotor 10 ( An arc-shaped main body 66a having a radius of curvature larger than the radius of curvature of FIG. 3) is welded.

棒状被包装物充填セクション（３）（図３参照）から第１振動セクション（４）に向けて搬送されてきた乾麺等の棒状被包装物１の充填済みの包装袋２は、第１振動セクション（４）では円軌道Ｒに沿う位置に案内されて停止する。上記のように構成された挟み込み機構６は、ここで流体シリンダ６１のピストンロッド６１bが突出し、連結リンク６２を介して駆動ピニオン６３と中心軸６８ａを反時計まわりに回転させ、同時に従動ピニオン６４と中心軸６８ｂを時計まわりに回転させる。これにより、挟み込み手段６５を構成する左右の金属線材６５ａ，６５ｂには、実線で示す開き角度が十分に大きい「ハ」字形の形態から、二点鎖線で示す開き角度の小さい「ハ」字形に形態変化する挟み込み作動が生じて、包装袋２の両側縁部は二点鎖線ｘで示すように内側に寄せられ、その幅寸法Ｗ１がクランプ５の対向間隔Ｗよりも小さくなり、包装袋２の両側縁部内に存在している棒状被包装物１は、中央側に寄せられて左右一対のクランプアーム４先端のクランプ５の下域から退避する。従って、挟み込み機構６の挟み込み作動完了の直後にバイブレーション装置３の平板３ａが上動しても、包装袋２内の棒状被包装物１がクランプ５と平板３ａとの間に挟まって折れるのを回避して、棒状被包装物１の上端を揃えることができる。   A packed bag 2 filled with a rod-shaped article 1 such as dry noodles conveyed from the rod-shaped article-packing section (3) (see FIG. 3) toward the first vibration section (4) is a first vibration section. In (4), it is guided to a position along the circular orbit R and stops. In the sandwiching mechanism 6 configured as described above, the piston rod 61b of the fluid cylinder 61 projects here, and the drive pinion 63 and the central shaft 68a are rotated counterclockwise via the connecting link 62, and at the same time, the driven pinion 64 and The central shaft 68b is rotated clockwise. As a result, the left and right metal wire members 65a and 65b constituting the sandwiching means 65 are changed from a "C" shape having a sufficiently large opening angle indicated by a solid line to a "C" shape having a small opening angle indicated by a two-dot chain line. As a result of the pinching operation changing in shape, both side edges of the packaging bag 2 are moved inward as indicated by a two-dot chain line x, and the width dimension W1 becomes smaller than the facing interval W of the clamp 5, The bar-shaped article 1 present in the side edges is retracted from the lower region of the clamp 5 at the tip of the pair of left and right clamp arms 4 while being moved toward the center. Therefore, even if the flat plate 3a of the vibration device 3 moves up immediately after the pinching operation of the pinching mechanism 6 is completed, the rod-shaped article 1 in the packaging bag 2 is sandwiched between the clamp 5 and the flat plate 3a and folded. By avoiding, the upper ends of the rod-shaped articles 1 can be aligned.

バイブレーション装置３の作動による棒状被包装物１の上端揃えが完了すると、流体シリンダ６１のピストンロッド６１bが後退し、連結リンク６２を介して駆動ピニオン６３と中心軸６８ａを時計まわりに回転させ、同時に従動ピニオン６４と中心軸６８ｂを反時計まわりに回転させて、左右の金属線材６５ａ，６５ｂを実線で示す開き角度が十分に大きい「ハ」字形の形態に復帰させて待機する。
第１振動セクション（４）では、以上を順次実施する。 When the upper end alignment of the rod-shaped article 1 by the operation of the vibration device 3 is completed, the piston rod 61b of the fluid cylinder 61 is retracted, and the drive pinion 63 and the central shaft 68a are rotated clockwise via the connecting link 62. The driven pinion 64 and the central shaft 68b are rotated counterclockwise, and the left and right metal wire members 65a and 65b are returned to the “C” -shaped form with sufficiently large opening angles indicated by solid lines, and wait.
In the first vibration section (4), the above is sequentially performed.

（他の実施例）
前記実施例の挟み込み機構６の挟み込み手段６５は、金属線材から構成したが、この挟み込み手段６５は板状のものであってもよい。また、前記実施例では、挟み込み機構６を、包装機Ｍの外周部の被包装物充填セクション後位の停止セクションに設けたが、挟み込み機構６は包装機Ｍの内周部側に設けてもよい。さらに、本発明の挟み込み機構６は、ロータリー式の包装機以外に直線状に搬送されながら棒状被包装物を投入充填して包装する包装機であってもよい。 (Other examples)
Although the sandwiching means 65 of the sandwiching mechanism 6 of the above embodiment is made of a metal wire, the sandwiching means 65 may be plate-shaped. Further, in the above-described embodiment, the sandwiching mechanism 6 is provided in the stop section at the rear of the package filling section on the outer peripheral portion of the packaging machine M. However, the sandwiching mechanism 6 may be provided on the inner peripheral side of the packaging machine M. Good. Furthermore, the sandwiching mechanism 6 of the present invention may be a packaging machine that inputs and fills a rod-shaped article to be packed while being conveyed in a straight line other than a rotary type packaging machine.

本発明は、例えばロータリー式包装機において、包装袋に折れやすい棒状被包装物を投入して包装する際に、折れを少なくするための棒状被包装物の挟み込み機構として有用である。   INDUSTRIAL APPLICABILITY The present invention is useful, for example, as a sandwiching mechanism for a rod-shaped package for reducing folding when a rod-shaped package that is easily broken is put into a packaging bag and packaged in a rotary packaging machine.

１ 棒状被包装物
２ 包装袋
４ クランプアーム
６ 挟み込み機構
６５ 挟み込み手段
（３） 被包装物充填セクション
（４） 第１振動セクション（被包装物充填セクション後位の停止セクション）
Ｍ 包装機 DESCRIPTION OF SYMBOLS 1 Rod-shaped package 2 Packaging bag 4 Clamp arm 6 Clamping mechanism 65 Clamping means (3) Package filling section (4) First vibration section (stop section at the rear of the package filling section)
M wrapping machine

Claims (2)

一対のクランプアームを備え、このクランプアームで包装袋の両側縁部を挟持しながら折れやすい棒状被包装物を充填し、前記棒状被包装物の上端を揃えるために、上下方向の振動を与えるバイブレーション装置を備えた包装機において、
前記包装機の被包装物充填セクション後位の振動セクションに、包装袋の両側縁部及び棒状被包装物をクランプの対向間隔より小さく内側に寄せるための挟み込み機構を備え、
前記バイブレーション装置は、前記挟み込機構の挟み込み作動後に動作する、ことを特徴とする棒状被包装物の挟み込み機構を備えた包装機。 A vibration that includes a pair of clamp arms, fills a bar-shaped package that is easy to break while holding both side edges of the packaging bag with this clamp arm, and provides vibration in the vertical direction to align the upper ends of the bar-shaped packages In a packaging machine equipped with a device ,
In the vibration section at the rear of the packaging filling section of the packaging machine, provided with a sandwiching mechanism for bringing both side edges of the packaging bag and the rod-shaped packaging to the inside smaller than the opposing spacing of the clamps ,
The vibration device operates after a pinching operation of the pinching mechanism, and is a packaging machine provided with a rod-shaped packaged pinching mechanism. 一対のクランプアームを備え、このクランプアームで包装袋の両側縁部を挟持しながら折れやすい棒状被包装物を充填し、前記棒状被包装物の上端を揃えるために、上下方向の振動を与えるバイブレーション装置を備えた包装機における棒状被包装物の包装方法であって、A vibration that includes a pair of clamp arms, fills a bar-shaped package that is easy to break while holding both side edges of the packaging bag with this clamp arm, and provides vibration in the vertical direction to align the upper ends of the bar-shaped packages A method of packaging a rod-shaped article in a packaging machine equipped with a device,
この棒状被包装物の包装方法は、棒状被包装物充填セクションで実施される充填物の充填工程と、この充填物の充填工程後位の振動セクションで、挟み込み機構により包装袋の両側縁部及び棒状被包装物をクランプの対向間隔より小さく内側に寄せて、棒状被包装物を前記一対のクランプアーム下域から退避させた後に、包装袋と棒状被包装物とに上下方向に振動を与える振動工程と、  This packing method for the bar-shaped package includes a packing process performed in the bar-shaped package packing section, and a vibration section at the rear of the packing process. Vibration that gives a vibration in the vertical direction to the packaging bag and the rod-shaped package after moving the rod-shaped package to the inside smaller than the gap between the clamps and retracting the rod-shaped package from the lower area of the pair of clamp arms. Process,
を有する棒状被包装物の包装方法。  A method for packaging a rod-shaped packaged article.
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