JP4801804B2 - Method and apparatus for filling high viscosity content - Google Patents

Method and apparatus for filling high viscosity content Download PDF

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JP4801804B2
JP4801804B2 JP2008312767A JP2008312767A JP4801804B2 JP 4801804 B2 JP4801804 B2 JP 4801804B2 JP 2008312767 A JP2008312767 A JP 2008312767A JP 2008312767 A JP2008312767 A JP 2008312767A JP 4801804 B2 JP4801804 B2 JP 4801804B2
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博行 扇山
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東洋自動機株式会社
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Description

本発明は、ホイップクリーム、マヨネーズ、ネギトロ等、通常の液体に比べ粘度が高く流動性の悪い内容物を袋内に充填する充填装置に関する。   The present invention relates to a filling device that fills a bag with contents that are higher in viscosity and poor in fluidity than ordinary liquids, such as whipped cream, mayonnaise, and negito.

下記特許文献1,2に、粘度が高く流動性が悪いマヨネーズ等の内容物を、瓶状の容器に充填する方法及び装置が記載されている。   The following Patent Documents 1 and 2 describe a method and an apparatus for filling a bottle-like container with contents such as mayonnaise having high viscosity and poor fluidity.

特公昭48−034138号公報Japanese Patent Publication No. 48-034138 特開昭52−056684号公報JP 52-056884 A

一方、従来の垂直に昇降する充填ノズルを備えた充填装置を用い、底部が水平面から傾斜した袋に内容物を充填する場合、図6に示すように、袋口の中心に臨む位置に設置した充填ノズルNを垂直に下降させて袋口から挿入し、その先端が袋底の傾斜面の少し手前にきたところで停止させている。つまり、充填ノズルの先端は袋底の3角形状の隅部(鋭角側隅部)から離れた位置にしか挿入できない。そして、その位置で内容物の吐出を開始し、袋内に内容物が積もって行くに従って充填ノズルNを上昇させている(袋内の斜線部は内容物が順に積もっていく様子を模式的に示すもの)。
このとき、内容物が前記のような粘度が高く流動性が悪いものであると、充填ノズルの先端から出て袋の内面に接触した内容物はいっそう流動性を失い、3角形状の隅部に入って行かず、そこに空気Aが残った状態で充填が完了する。なお、底部が水平な通常の袋であっても、やはり両隅部に空気が残った状態で充填が完了する。
On the other hand, when filling the contents into a bag whose bottom portion is inclined from a horizontal plane using a conventional filling device having a vertically rising and lowering nozzle, it is installed at a position facing the center of the bag mouth as shown in FIG. The filling nozzle N is lowered vertically and inserted from the bag mouth, and is stopped when its tip comes slightly before the inclined surface of the bag bottom. That is, the tip of the filling nozzle can be inserted only at a position away from the triangular corner (acute corner) at the bottom of the bag. Then, the discharge of the contents is started at that position, and the filling nozzle N is raised as the contents accumulate in the bag (the hatched portion in the bag schematically shows how the contents accumulate in order). To show).
At this time, if the contents are high in viscosity and poor in fluidity as described above, the contents coming out from the tip of the filling nozzle and contacting the inner surface of the bag lose more fluidity, and the corners of the triangle shape The filling is completed with the air A remaining there. In addition, even if it is a normal bag with a horizontal bottom, the filling is completed with air remaining in both corners.

この袋底隅部に残った空気を後工程にて脱気することは困難であり、結果的に脱気状態が悪く商品の品質を著しく低下させていた。
従って、本発明の目的は、粘度の高い内容物を袋に充填する際に、袋底隅部に残留する空気の量を低減しようというものである。
It was difficult to deaerate the air remaining in the bottom corner of the bag in a subsequent process, and as a result, the deaerated state was poor and the quality of the product was significantly reduced.
Accordingly, an object of the present invention is to reduce the amount of air remaining in the bottom corner of the bag when filling the bag with high-viscosity contents.

本発明に係る充填方法は、上向きに開口する袋口から充填用ノズルを挿入し、その先端から粘度の高い内容物を吐出して袋内に充填する充填方法であり、内容物の吐出に先立ち、挟持面に垂直に見て上部が凹湾曲した一対のプレス板により袋の両面から袋底の隅部を湾曲状に挟持して、挟持した隅部の空気を予め追い出し、その状態で内容物の吐出を行うことを特徴とする。
この充填方法は、底部が水平面から傾斜した袋だけでなく、底部が水平な通常の袋に対しても適用される。特に前者の袋に適用する場合、前記プレス部材により袋底の少なくとも鋭角側隅部を挟持する。また、その場合、充填ノズルを袋内に内容物を吐出しながら上昇させ、かつ上昇の過程で充填ノズルの先端を袋底の鋭角側隅部から袋口まで袋内の空間の中心にほぼ沿うように袋幅方向に変位させることが望ましい。
The filling method according to the present invention is a filling method in which a filling nozzle is inserted from a bag mouth that opens upward, and a high-viscosity content is discharged from the tip of the bag to fill the bag, and prior to the discharge of the content. , and sandwiched by a pair of press plates which top is concave curve as viewed perpendicularly to the holding surface from both sides of the bag corners of the bag bottom curved, pre expel air nipped corners, contents in that state It is characterized by performing the discharge.
This filling method is applied not only to a bag whose bottom is inclined from a horizontal plane, but also to a normal bag whose bottom is horizontal. In particular, when applied to the former bag, at least the acute-angle side corner of the bag bottom is sandwiched by the press member. Further, in that case, the filling nozzle is raised while discharging the contents into the bag, and the tip of the filling nozzle is substantially aligned with the center of the space in the bag from the acute-side corner of the bag bottom to the bag mouth in the ascending process. It is desirable to displace in the bag width direction.

また、本発明に係る充填装置は、上向きに開口する袋口から充填用ノズルを挿入し、その先端から粘度の高い内容物を吐出して袋内に充填する充填装置であり、袋の両面から袋底の隅部を挟持する一対のプレス板が設置され、そのプレス板は挟持面に垂直に見て上部が凹湾曲した形状を持ち、内容物の吐出に先立ち、袋底の隅部を湾曲状に挟持し、その状態で内容物の吐出を行うことを特徴とする。
この充填装置は、底部が水平面から傾斜した袋だけでなく、底部が水平な通常の袋に対しても適用される。特に前者の袋に適用する場合、前記プレス部材が袋底の少なくとも鋭角側隅部を挟持する。また、その場合、充填ノズルは下記(1)〜(3)のような形態(いずれも充填ノズルの先端が袋幅方向に変位する)をとることが望ましい。これにより空気の残留量をより低減することができる。
The filling device according to the present invention is a filling device that inserts a filling nozzle from a bag mouth that opens upward, and discharges a high-viscosity content from the tip of the filling nozzle to fill the bag, from both sides of the bag. A pair of press plates that clamp the corners of the bag bottom are installed, and the press plates have a concave shape at the top when viewed perpendicular to the clamping surface, and the corners of the bag bottom are curved prior to discharging the contents. And the contents are discharged in this state .
This filling apparatus is applied not only to a bag whose bottom is inclined from a horizontal plane, but also to a normal bag whose bottom is horizontal. In particular, when the present invention is applied to the former bag, the pressing member sandwiches at least the acute angle side corner of the bag bottom. In that case, it is desirable that the filling nozzle has a form as shown in the following (1) to (3) (all of which the tip of the filling nozzle is displaced in the bag width direction). Thereby, the residual amount of air can be further reduced.

(1)充填ノズルが昇降自在に設置され、かつ昇降に伴い充填ノズルの先端が袋底の鋭角側隅部から袋口まで袋内の空間の中心にほぼ沿うように袋幅方向に変位する。
(2)充填ノズルが昇降自在で昇降に伴い袋幅方向に沿って傾動し、かつ昇降に伴いその傾動中心が傾動の方向に変位し同時にその先端が傾動の方向とは逆方向に変位するように設定され、さらに、下降するほど充填ノズルの傾斜及び傾動中心の変位量が大きくなり、かつその先端の変位量が大きくなる。
(3)充填ノズルが昇降自在に設置され、かつ昇降に伴い充填ノズルが袋幅方向に変位するように設定され、さらに下降するほど充填ノズルの変位量が大きくなる。
(1) The filling nozzle is installed so as to be able to move up and down, and the tip of the filling nozzle is displaced in the bag width direction so as to be substantially along the center of the space in the bag from the corner on the acute angle side to the bag mouth.
(2) The filling nozzle can freely move up and down and tilts along the bag width direction as it goes up and down, and as it goes up and down, its tilting center is displaced in the direction of tilting and at the same time its tip is displaced in the direction opposite to the tilting direction. Further, the lower the position, the greater the amount of displacement of the filling nozzle and the center of tilt, and the amount of displacement of its tip increases.
(3) The filling nozzle is installed so as to be able to move up and down, and the filling nozzle is set so as to be displaced in the bag width direction as it is raised and lowered.

本発明によれば、粘度の高い内容物を袋に充填する際に、袋底隅部に残留する空気の量を大幅に低減できるので、商品の品質が低下しないで済む。   According to the present invention, when the bag is filled with high-viscosity contents, the amount of air remaining in the bottom corner of the bag can be greatly reduced, so that the quality of the product does not deteriorate.

以下、図1〜図5を参照して、本発明(ただし、図1,2に示す充填装置は参考例)を具体的に説明する。
図1に示す充填装置1は、例えば周知の間欠回転テーブル型袋詰め包装機において、内容物の充填位置に設置され、粘度の高い内容物を吐出する充填ノズル2、充填ノズル2を昇降させる昇降装置3、及び充填ノズル2を傾動させる傾動装置4からなる。
昇降装置3は、機台5に立設された昇降軸スタンド6、それにガイドされ機台5内の図示しない駆動源により所定のタイミングで昇降する昇降軸7、その先端部に固定されたノズル支持アーム8、ノズル支持アーム8の先端部に軸9により回動自在に軸支された作動リンク10からなる。
Hereinafter, the present invention (however, the filling apparatus shown in FIGS. 1 and 2 is a reference example) will be specifically described with reference to FIGS.
A filling device 1 shown in FIG. 1 is installed at a content filling position in, for example, a well-known intermittent rotation table type bagging and packaging machine, and discharges a high-viscosity content. It comprises a device 3 and a tilting device 4 for tilting the filling nozzle 2.
The lifting / lowering device 3 includes a lifting / lowering shaft stand 6 erected on the machine base 5, a lifting / lowering shaft 7 guided and driven at a predetermined timing by a driving source (not shown) in the machine base 5, and a nozzle support fixed to the tip portion thereof. The arm 8 and the nozzle support arm 8 include an operation link 10 that is pivotally supported by a shaft 9 at a tip end portion thereof.

傾動装置4は、充填ノズル2の中程に固定されたノズル保持部材11、ノズル保持部材11の両側に軸心が一致するように固定された軸12、13(軸12は作動リンク10の下端に回動自在に支持されている)、軸13を回動自在に支持する軸受部材14、それに固定されたスライドユニット15、スライドユニット15が摺動するスライドレール16を備え、また、充填ノズル2の上端部に固定されたカムローラ取付部材17、それに固定されたカムローラ取付軸18、それに回転自在に軸支されたカムローラ19、カムローラ19が転動するカム20、カムローラ19をカム20に対し付勢する引張バネ21を備え、さらに、機台5の上面に立設されたベース板取付スタンド22、ベース板23等を備えている。スライドレール16及びカム20は、ベース板23にそれぞれ傾斜して固定されている。
なお、充填ノズル2の側面には充填ホース24が取り付けられ、この充填ホース24はバルブ、シリンダー等を介して供給タンク(いずれも周知、図示せず)に接続されている。
The tilting device 4 includes a nozzle holding member 11 fixed in the middle of the filling nozzle 2, and shafts 12 and 13 fixed so that the axial centers coincide with both sides of the nozzle holding member 11 (the shaft 12 is a lower end of the operation link 10. A bearing member 14 that rotatably supports the shaft 13, a slide unit 15 fixed thereto, and a slide rail 16 on which the slide unit 15 slides, and the filling nozzle 2 A cam roller mounting member 17 fixed to the upper end of the cam roller, a cam roller mounting shaft 18 fixed thereto, a cam roller 19 rotatably supported by the cam roller 19, a cam 20 on which the cam roller 19 rolls, and a biasing force on the cam roller 19 And a base plate mounting stand 22, a base plate 23, and the like standing on the upper surface of the machine base 5. The slide rail 16 and the cam 20 are fixed to the base plate 23 at an angle.
A filling hose 24 is attached to the side surface of the filling nozzle 2, and this filling hose 24 is connected to a supply tank (both well-known, not shown) via a valve, a cylinder, and the like.

ところで、内容物が粘度が高く流動性が悪いものであると、充填ノズル2の先端から出て袋の内面に接触した内容物はさらに流動性を失うため、袋内に空気をできるだけ残さないようにするには、充填ノズル2の先端が袋内の3角形状の隅部(鋭角側隅部)の空間に深く、かつ空間のほぼ中心に位置するように挿入し、吐出した内容物を左右に均等に分布させることが望ましい。続いて袋内に内容物を吐出しながら上昇していく過程でも、充填ノズルの先端が常に袋内の空間の中心にほぼ沿ったかたちで上昇することが望ましい。これは、図1においてaを隅部の3角形の2等分線とし、bを袋の左右の中心線とすると、充填ノズル2の先端が2等分線a上にほぼ位置するように挿入され、上昇時この2等分線aにほぼ沿うように上昇し、続いて左右の中心線bにほぼ沿うように上昇する、といいかえてもよい。   By the way, if the contents are high in viscosity and poor in fluidity, the contents coming out from the tip of the filling nozzle 2 and contacting the inner surface of the bag lose further fluidity, so that air is not left in the bag as much as possible. In order to achieve this, the tip of the filling nozzle 2 is inserted so that it is deep in the space of the triangular corner (acute corner) in the bag and located substantially at the center of the space. It is desirable to distribute evenly. Even in the process of ascending while discharging the contents into the bag, it is desirable that the tip of the filling nozzle always rises so as to substantially follow the center of the space in the bag. This is because the tip of the filling nozzle 2 is inserted so that the tip of the filling nozzle 2 is substantially located on the bisector a, where a is a triangle bisector in FIG. 1 and b is the left and right center line of the bag. It may be said that when rising, it rises substantially along the bisector a, and then rises substantially along the left and right center line b.

一方、この充填装置1において、充填ノズル2は、グリッパーGに両縁を把持された袋Wが充填位置に回動してくるまでは図1の実線で示す待機位置にあり、このとき充填ノズル2は垂直に立っており、その先端は袋Wの少し上で袋口の中心を臨む位置(中心線b上)にある。
ここで、昇降軸7を下降させると、ノズル支持アーム8、リンク10、ノズル保持部材11等を介して充填ノズル2は下降し、その際、カムローラ19がカム20に沿って転動し、スライドユニット15がスライドレール16に沿って摺動する。これにより、図1の仮想線に示すように、充填ノズル2は傾動中心(軸12の位置)が傾動の方向(図1において左)に変位し、同時にその先端が傾動の方向とは逆方向(図1において右)に変位し、さらに、下降するほど充填ノズルの傾斜及び傾動中心の袋幅方向の変位量が大きくなり、かつその先端の袋幅方向の変位量が大きくなっている。なお、この充填装置1では、傾動の中心が傾動の方向に変位するので、例えば傾動の中心が変位しない場合に比べ、充填ノズル2の傾斜を大きくすることができる。
On the other hand, in this filling apparatus 1, the filling nozzle 2 is in a standby position indicated by a solid line in FIG. 1 until the bag W gripped on both edges by the gripper G is rotated to the filling position. Stands vertically and its tip is at a position (on the center line b) that faces the center of the bag mouth slightly above the bag W.
Here, when the elevating shaft 7 is lowered, the filling nozzle 2 is lowered via the nozzle support arm 8, the link 10, the nozzle holding member 11, etc., and at that time, the cam roller 19 rolls along the cam 20 and slides. The unit 15 slides along the slide rail 16. As a result, as shown by the phantom line in FIG. 1, the filling nozzle 2 is displaced in the tilting center (position of the shaft 12) in the tilting direction (left in FIG. 1), and at the same time, the tip is opposite to the tilting direction. The amount of displacement of the filling nozzle in the bag width direction increases and the amount of displacement in the bag width direction at the tip of the filling nozzle increases as it is displaced downward (right in FIG. 1) and further lowered. In this filling device 1, since the center of tilting is displaced in the direction of tilting, for example, the tilt of the filling nozzle 2 can be increased compared to the case where the center of tilting is not displaced.

充填ノズル2が下降に際してこのような傾動及び変位をすることで、充填ノズル2の先端は中心線b及び2等分線aに近似的に沿うように下降し(より正確にいえば、これらの線のやや上を緩やかに湾曲して下降する)、下降端では充填ノズル2の先端は袋Wの鋭角側隅部に深く、かつ2等分線a上にほぼ位置するように挿入される。そして上昇時は、内容物を吐出しながら下降時とは全く逆方向に軌跡をたどり、袋口から抜き出される。なお、この充填装置1では、充填ノズル2の下降端及びそこからの上昇中、その先端(吐出口)が常に2等分線a及び中心線bの方向を概略向いているので、吐出した内容物が左右に一層均等に配分される。
袋内の斜線部は内容物が順に積もっていく様子を模式的に示すものであるが、このように鋭角側隅部のごく先端部には空気Aが残留するものの、従来に比べ残留量を大幅に低減することができる。
By such tilting and displacement when the filling nozzle 2 is lowered, the tip of the filling nozzle 2 is lowered so as to approximately follow the center line b and the bisector a (more precisely, these At the descending end, the tip of the filling nozzle 2 is inserted deeply at the acute-angled corner of the bag W and substantially positioned on the bisector a. At the time of ascent, the contents are discharged and the trajectory is traced in the opposite direction to that at the time of descending, and is extracted from the bag mouth. In addition, in this filling device 1, since the tip (discharge port) of the lowering end of the filling nozzle 2 and the rising end thereof are always oriented substantially in the direction of the bisector a and the center line b, the discharged content Things are evenly distributed to the left and right.
The hatched portion in the bag schematically shows how the contents accumulate in order, but air A remains at the very tip of the acute angle corner as described above, but the remaining amount is smaller than in the conventional case. It can be greatly reduced.

なお、上記の例ではスライドレール16及びカム20を直線的な形状とし、それを図1に示すような角度関係でベース板23に固定していたが、スライドレール16及びカム20の形状や傾斜を適宜変更することで、充填ノズル2の軌跡を2等分線a及び中心線bにより近く沿わせることもできる。また、スライドレール16及びカム20の取付角度を変更可能としておけば、袋Wのサイズ又は形状の変更に対応して、充填ノズルの軌跡を調整することも可能となる。   In the above example, the slide rail 16 and the cam 20 have a linear shape and are fixed to the base plate 23 in an angular relationship as shown in FIG. By appropriately changing, the locus of the filling nozzle 2 can be made closer to the bisector a and the center line b. Further, if the mounting angle of the slide rail 16 and the cam 20 can be changed, the locus of the filling nozzle can be adjusted in accordance with the change in the size or shape of the bag W.

図2に示す充填装置31は、粘度の高い内容物を吐出する充填ノズル2、充填ノズル2を昇降させる昇降装置32、及び充填ノズル2を横(袋幅方向)に変位させる横変位装置33からなり、横変位装置33以外は充填装置1と同等の構造を有する(同等の部位には同じ番号を付与している)。横変位装置33は、充填ノズル2の上端近傍に上下に距離をおいて固定されたノズル保持部材34、35、昇降軸スタンド6の上端近傍に上下に距離をおいて固定された平行リンク支持部材36、37、一端が平行リンク支持部材に回動自在に軸支され、他端がノズル保持部材に回動自在に軸支された一対×2組の平行リンク38〜41(リンク38は作動リンク10の下端にピン42を介して連結されている)からなる。   The filling device 31 shown in FIG. 2 includes a filling nozzle 2 that discharges a high-viscosity content, a lifting device 32 that raises and lowers the filling nozzle 2, and a lateral displacement device 33 that displaces the filling nozzle 2 laterally (in the bag width direction). Therefore, it has the same structure as the filling device 1 except for the lateral displacement device 33 (the same number is given to the equivalent portion). The lateral displacement device 33 includes nozzle holding members 34 and 35 fixed at a distance in the vertical direction near the upper end of the filling nozzle 2, and a parallel link support member fixed at a distance in the vertical direction near the upper end of the lifting shaft stand 6. 36, 37, a pair of parallel links 38 to 41 having one end pivotally supported by the parallel link support member and the other end pivotally supported by the nozzle holding member (the link 38 is an operating link) 10 is connected to the lower end of the pin 10 via a pin 42).

この充填装置31において、充填ノズル2は常に垂直に立ち、グリッパーGに両縁を把持された袋Wが充填位置に回動してくるまでは図2の実線で示す待機位置にあり、その先端は袋Wの少し上で袋口の中心を臨む位置にある。
ここで、昇降軸7を下降させると平行リンク38〜41が下方に揺動し、図2の仮想線に示すように、充填ノズル2は下降に伴い袋幅方向に変位し、さらに下降するほど充填ノズル2の袋幅方向の変位量が大きくなっている。
In this filling device 31, the filling nozzle 2 always stands vertically, and is in a standby position indicated by a solid line in FIG. 2 until the bag W gripped on both edges by the gripper G is rotated to the filling position, and its tip is It is in a position facing the center of the bag mouth slightly above the bag W.
Here, when the elevating shaft 7 is lowered, the parallel links 38 to 41 swing downward, and as shown by the phantom line in FIG. 2, the filling nozzle 2 is displaced in the bag width direction as it descends, and further descends. The displacement amount of the filling nozzle 2 in the bag width direction is large.

充填ノズル2が下降に際してこのような変位をすることで、充填ノズル2の先端は中心線b及び2等分線a(図1参照)に近似的に沿うように下降し(より正確にいえば、これらの線のやや上を緩やかに湾曲して下降する)、下降端では充填ノズル2の先端は袋Wの底部の鋭角側隅部に深く、かつ2等分線a上にほぼ位置するように挿入される。そして上昇時は、内容物を吐出しながら下降時とは全く逆方向に軌跡をたどり、袋口から抜き出される。
袋内の斜線部は内容物が順に積もっていく様子を模式的に示すものであるが、このように鋭角側隅部のごく先端部には空気Aが残留するものの、従来に比べ残留量を大幅に減少させることができる。ただし、充填ノズル2の下降端及びそこからの上昇中、その先端(吐出口)が2等分線aの方向を向いていないので、特に袋底の鋭角側隅部の3角形域において、吐出した内容物の左右への配分の均等性は充填装置1の方がやや優れている。
When the filling nozzle 2 is lowered, the tip of the filling nozzle 2 is lowered so as to approximately follow the center line b and the bisector a (see FIG. 1) (more accurately speaking, The tip of the filling nozzle 2 is deep at the acute corner of the bottom of the bag W and is substantially located on the bisector a. Inserted into. At the time of ascent, the contents are discharged and the trajectory is traced in the opposite direction to that at the time of descending, and is extracted from the bag mouth.
The hatched portion in the bag schematically shows how the contents accumulate in order, but air A remains at the very tip of the acute angle corner as described above, but the remaining amount is smaller than in the conventional case. Can be greatly reduced. However, during the descending end of the filling nozzle 2 and ascending from it, the tip (ejection port) does not face the direction of the bisector a, so that the ejection is performed particularly in the triangular area at the acute corner of the bag bottom. The filling device 1 is slightly superior in the uniformity of the distribution of the left and right contents.

図3(a)及び図4に示す充填装置51は、充填ノズルNが垂直に昇降する従来タイプの充填装置に、さらにプレス装置52を配置したものである。プレス装置52は、上部が湾曲した一対のプレス板53、54と、それを開閉する開閉装置55(図4参照)からなり、開閉装置55は、プレス板53、54が固定された支持アーム56、57、その後端に固定された回動軸58、59、回動軸58、59に固定され互いにかみ合う歯車60、61、作動用のエアシリンダ62、一方の回動軸59に一端が固定されシリンダロッドの先端に他端が回動自在に軸支された作動アーム63からなり、エアシリンダ62の作動によりプレス板53、54を開閉するようになっている。   The filling device 51 shown in FIG. 3A and FIG. 4 is obtained by arranging a press device 52 in addition to the conventional filling device in which the filling nozzle N moves up and down vertically. The press device 52 includes a pair of press plates 53 and 54 whose upper portions are curved, and an open / close device 55 (see FIG. 4) for opening and closing the press plates. The open / close device 55 includes a support arm 56 to which the press plates 53 and 54 are fixed. 57, rotating shafts 58 and 59 fixed to the rear end thereof, gears 60 and 61 fixed to the rotating shafts 58 and 59 and meshing with each other, an air cylinder 62 for operation, and one end fixed to one rotating shaft 59. The cylinder rod includes an operating arm 63 whose other end is pivotally supported at the tip of the cylinder rod. The press plates 53 and 54 are opened and closed by the operation of the air cylinder 62.

図3(a)の例では、挟持面に垂直に見て上部が湾曲したプレス板53、54により袋底の隅部C及び側面の隅部Cを湾曲状に挟持し、その箇所の両フィルムを密着させて空気を予め追い出し、しかも袋とプレス板53、54の上部との交差部位C、Cに新たに隅部ができないように湾曲形状を工夫している。その上で充填ノズル2による内容物の吐出を行っているため、粘土の高い内容物でもすみずみまで充填されやすい。プレス板53、54で挟持した部分には内容物が充填されていないが、その部分には空気も残留していないため、例えばシール後袋を押さえるだけで簡単にその部分に内容物が入っていく。 In the example of FIG. 3 (a), the corner portion C 2 of the corners C 1 and the side surface of the bag bottom and sandwiched curved by a press plate 53, 54 with its upper part and concave curved as viewed perpendicularly to the clamping face, that portion These two films are brought into close contact with each other to expel air in advance, and the curved shape is devised so that no new corners are formed at the intersections C 3 and C 4 between the bag and the upper portions of the press plates 53 and 54. Further, since the contents are discharged by the filling nozzle 2, even clay-rich contents are easily filled in every corner. The parts sandwiched between the press plates 53 and 54 are not filled with the contents, but there is no air remaining in the parts, so for example, the contents can easily enter the parts simply by pressing the bag after sealing. Go.

一方、図3(c)の例は、プレス板64、65の上部が直線的な形状を持つため、鋭角的な袋底の隅部Cを消すことができるが、プレス板64、65の上部と袋の交差部位に新たに隅部C、Cが形成されるため、ここに空気Aが残留しやすく、図6の従来例より改善されるが、効果は余り大きくない。
また、図3(b)の例は、挟持面に垂直に見て上部が凹湾曲したプレス板66、67により袋底の隅部Cを湾曲状に挟持するものである。この場合は、袋とプレス板66、67の上部との交差部位に新たに隅部C、Cが形成されるが、プレス板66、67の上部が湾曲しているため隅部の角度が緩やかになり、そこに残留する空気の量は少なくて済むため、図3(c)の例よりはるかに効果が大きい。
On the other hand, the example of FIG. 3 (c), since the upper press plate 64, 65 has a linear configuration, although it is possible to turn off the corners C 1 of the sharp bag bottom, the press plate 64, 65 Since the corners C 5 and C 6 are newly formed at the intersection of the upper part and the bag, the air A tends to remain there, which is improved over the conventional example of FIG. 6, but the effect is not so great.
In addition, the example of FIG. 3 (b) is intended for clamping the corner part C 1 of the bag bottom is curved by a press plate 66, 67 with its upper part and concave curved as viewed perpendicularly to the holding surface. In this case, corners C 5 and C 6 are newly formed at the intersections between the bag and the upper portions of the press plates 66 and 67. However, since the upper portions of the press plates 66 and 67 are curved, the angle of the corners is increased. Since the amount of air remaining there is small, the effect is much greater than in the example of FIG.

なお、このようなプレス部材は、底部が傾斜した袋に適用できるだけでなく、粘土の高い内容物を充填するのであれば、通常の底部が水平な袋に対しても適用できる(底部の両隅部を挟持する)。   Such a pressing member can be applied not only to a bag having an inclined bottom part, but also to a bag having a normal bottom part as long as it is filled with a high clay content (both corners of the bottom part). Part).

図5に示す充填装置71は、充填装置1に対し、さらにプレス装置72を配置したものである。プレス装置72は、上部が湾曲した一対のプレス板73、74と、それを開閉する開閉装置(図示せず)からなり、このプレス板73、74により袋底の鋭角側隅部を挟持し、その上で充填ノズル2による内容物の吐出を行うものである。傾動する充填ノズル2とプレス板73、74の相乗効果により、空気の残留をさらに低減することができる。 A filling device 71 shown in FIG. 5 is obtained by further arranging a press device 72 with respect to the filling device 1. Pressing device 72 includes a pair of press plates 73 and 74 with its upper part and concave curved switchgear consists (not shown) for opening and closing it, sandwiching the acute angle side corners of the bag bottom by the press plate 73 and 74 Then, the contents are discharged by the filling nozzle 2. Due to the synergistic effect of the tilting filling nozzle 2 and the press plates 73 and 74, the residual air can be further reduced.

充填装置(参考例)の正面図及び側面図である。It is the front view and side view of a filling apparatus (reference example). 他の充填装置(参考例)の正面図及び側面図である。It is the front view and side view of another filling apparatus (reference example). 本発明に係る充填装置(a)、(b)及び比較に用いた充填装置(c)である。It is a filling device (a) and (b) concerning the present invention, and a filling device (c) used for comparison. プレス板の開閉機構を説明する図である。It is a figure explaining the opening / closing mechanism of a press plate. 本発明に係る他の充填装置の正面図及び側面図である。It is the front view and side view of another filling apparatus which concern on this invention. 従来の充填装置を説明する図である。It is a figure explaining the conventional filling apparatus.

符号の説明Explanation of symbols

2 充填ノズル
3、32 昇降装置
4 傾動装置
12 軸(傾動中心)
16 スライドレール
20 カム
33 横変位装置
53、54、64〜67、73、74 プレス板
a 袋底隅部の2等分線
b 袋の中心線
2 Filling nozzle 3, 32 Lifting device 4 Tilt device 12 Axis (tilt center)
16 Slide rail 20 Cam 33 Lateral displacement device
53, 54, 64 to 67, 73, 74 Press plate a Bisect line at the bottom corner of the bag b Center line of the bag

Claims (8)

上向きに開口する袋口から充填用ノズルを挿入し、その先端から粘度の高い内容物を吐出して袋内に充填する充填方法において、内容物の吐出に先立ち、挟持面に垂直に見て上部が凹湾曲した一対のプレス板により袋の両面から袋底の隅部を湾曲状に挟持して、挟持した隅部の空気を予め追い出し、その状態で内容物の吐出を行うことを特徴とする粘度の高い内容物の充填方法。 In a filling method in which a filling nozzle is inserted from the bag opening that opens upward, and the high-viscosity contents are discharged from the tip of the bag to fill the bag, the upper part is viewed perpendicular to the sandwiching surface prior to discharging the contents. The corners of the bottom of the bag are sandwiched in a curved shape from both sides of the bag by a pair of concavely curved press plates , the air in the sandwiched corners is expelled in advance, and the contents are discharged in that state. A method for filling high-viscosity contents. 底部が水平面から傾斜した袋に充填する場合に、前記プレス部材により鋭角側隅部を挟持することを特徴とする請求項1に記載された粘度の高い内容物の充填方法。 2. The method for filling a high-viscosity content according to claim 1, wherein when the bag is filled with a bottom inclined from a horizontal plane, the acute-side corner is sandwiched by the pressing member. 充填ノズルを袋内に内容物を吐出しながら上昇させ、かつ上昇の過程で充填ノズルの先端を袋底の鋭角側隅部から袋口まで袋内の空間の中心にほぼ沿うように袋幅方向に変位させることを特徴とする請求項2に記載された粘度の高い内容物の充填方法。 The filling nozzle is raised while discharging the contents into the bag, and in the bag width direction so that the tip of the filling nozzle is substantially along the center of the space in the bag from the sharp corner of the bag bottom to the bag mouth in the ascending process The method for filling a high-viscosity content according to claim 2, wherein 上向きに開口する袋口から充填用ノズルを挿入し、その先端から粘度の高い内容物を吐出して袋内に充填する充填装置において、袋の両面から袋底の隅部を挟持する一対のプレス板が設置され、そのプレス板は挟持面に垂直に見て上部が凹湾曲した形状を持ち、内容物の吐出に先立ち、袋底の隅部を湾曲状に挟持し、その状態で内容物の吐出を行うことを特徴とする粘度の高い内容物の充填装置。 A pair of presses that sandwich the corner of the bottom of the bag from both sides of the bag in a filling device that inserts a filling nozzle from the bag opening that opens upward and discharges the high-viscosity contents from the tip of the bag to fill the bag. A plate is installed, and the press plate has a shape in which the upper part is concavely curved when viewed perpendicular to the clamping surface, and before the discharge of the contents, the corners of the bag bottom are clamped in a curved shape, A high-viscosity content filling device characterized by discharging . 底部が水平面から傾斜した袋に充填する充填装置であり、前記プレス部材が鋭角側隅部を挟持することを特徴とする請求項4に記載された粘度の高い内容物の充填装置。 5. The filling device for high-viscosity contents according to claim 4, wherein the filling device fills a bag whose bottom portion is inclined from a horizontal plane, and the pressing member sandwiches the acute angle side corner. 充填ノズルが昇降自在に設置され、かつ昇降に伴い充填ノズルの先端が袋底の鋭角側隅部から袋口まで袋内の空間の中心にほぼ沿うように袋幅方向に変位することを特徴とする請求項5に記載された粘度の高い内容物の充填装置。 The filling nozzle is installed so as to be able to move up and down, and with the raising and lowering, the tip of the filling nozzle is displaced in the bag width direction so as to be substantially along the center of the space in the bag from the acute corner of the bag bottom to the bag mouth. The filling device for high-viscosity contents according to claim 5. 充填ノズルが昇降自在で昇降に伴い袋幅方向に沿って傾動し、かつ昇降に伴いその傾動中心が傾動の方向に変位し同時にその先端が傾動の方向とは逆方向に変位するように設定され、さらに、下降するほど充填ノズルの傾斜及び傾動中心の変位量が大きくなり、かつその先端の変位量が大きくなることを特徴とする請求項5に記載された粘度の高い内容物の充填装置。 The filling nozzle can be moved up and down and tilted along the bag width direction as it goes up and down, and as it goes up and down, its tilting center is displaced in the direction of tilting, and at the same time its tip is displaced in the direction opposite to the tilting direction. 6. The filling device for high-viscosity contents according to claim 5, wherein the amount of displacement of the filling nozzle and the amount of displacement of the tilting center increases and the amount of displacement of the tip of the filling nozzle increases as it descends. 充填ノズルが昇降自在に設置され、かつ昇降に伴い充填ノズルが袋幅方向に変位するように設定され、さらに下降するほど充填ノズルの変位量が大きくなることを特徴とする請求項5に記載された粘度の高い内容物の充填装置。 The filling nozzle is installed so as to be movable up and down, and is set so that the filling nozzle is displaced in the bag width direction along with the raising and lowering, and the displacement amount of the filling nozzle becomes larger as the filling nozzle is further lowered. High viscosity filling equipment.
JP2008312767A 2008-12-08 2008-12-08 Method and apparatus for filling high viscosity content Expired - Lifetime JP4801804B2 (en)

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JP10071598A Division JP4251684B2 (en) 1998-04-13 1998-04-13 High viscosity filling equipment

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JP4801804B2 true JP4801804B2 (en) 2011-10-26

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