JPH0735163B2 - Automatic bag feeder - Google Patents
Automatic bag feederInfo
- Publication number
- JPH0735163B2 JPH0735163B2 JP10753387A JP10753387A JPH0735163B2 JP H0735163 B2 JPH0735163 B2 JP H0735163B2 JP 10753387 A JP10753387 A JP 10753387A JP 10753387 A JP10753387 A JP 10753387A JP H0735163 B2 JPH0735163 B2 JP H0735163B2
- Authority
- JP
- Japan
- Prior art keywords
- packaging bag
- bag
- valve
- suction
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Supplying Of Containers To The Packaging Station (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、弁付き包装袋に、その弁口に挿入された充
填管を通し粉粒体を吹込み充填する粉粒体充填装置に対
して、空の包装袋を自動的に供給する自動給袋装置に関
する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a powder-and-granule filling device that blows and fills a powder-and-granule into a packaging bag with a valve through a filling pipe inserted into the valve opening. And an automatic bag feeder for automatically supplying an empty packaging bag.
〔従来の技術〕 空の弁付き包装袋を多数収納した包装袋マガジンから包
装袋を１枚ずつ水平引出し機構により水平方向に引き出
し、この引き出された包装袋を保持しながらその弁口を
開口させた後、弁口が開口した状態のまま包装袋を垂直
面内において回動させることにより、包装袋の弁口を粉
粒体充填装置の充填管に外挿させる自動給袋装置につい
ては、例えば特公昭49-6595号公報や特公昭51-36675号
公報等に記載されている。ところで、弁付き包装袋に
は、第６図（Ａ）〜（Ｄ）に示すように種々の形態のも
のがある。同図（Ａ）に示したものはガセット付き上下
ミシン袋、同図（Ｂ）に示したものはガセット付き側弁
式ピンチ袋、同図（Ｃ）に示したものはガセット付きピ
ンチ袋、同図（Ｄ）に示したものはガセットなし上下船
底式ピンチ袋であり、各図中V1〜V4がそれぞれの包装袋
の弁口であり、G1〜G3が各種ガセット付き包装袋のガセ
ットである。特公昭49-6595号公報に記載された自動給
袋機は、それらの弁付き包装袋のうちの、第６図（Ｄ）
に示した上下船底式の包装袋に適用されるものであり、
また特公昭51-36675号公報に記載された自動給袋機は、
第６図（Ａ）〜（Ｃ）に示したガセット付きの包装袋に
適用されるものである。このように従来の自動給袋装置
は、その機種によって適用できる包装袋の種類に制限が
あり、粉粒体充填装置は各種形態の弁付き包装袋につき
共通の構成であっても、自動給袋装置は、粉粒体を充填
しようとする包装袋の形態によって構成を変える必要が
あり、包装袋の形態に合った機種のものが選定され、粉
粒体充填装置に併設されて使用されていた。[Prior Art] A packing bag magazine that stores a large number of empty packing bags with valves is pulled out one by one in a horizontal direction by a horizontal drawing mechanism, and the valve opening is opened while holding the drawn packing bags. After that, by rotating the packaging bag in a vertical plane with the valve opening opened, the automatic bag feeding device for externally inserting the valve opening of the packaging bag into the filling pipe of the powder or granular material filling device is It is described in JP-B-49-6595 and JP-B-51-36675. By the way, there are various types of packaging bags with valves as shown in FIGS. 6 (A) to 6 (D). The one shown in FIG. 7A is a vertical sewing machine bag with gussets, the one shown in FIG. 7B is a side valve type pinch bag with gussets, and the one shown in FIG. Fig those shown in (D) is a gusset without vertical vessel bottom type pinch bag, the figures in V 1 ~V 4 is a valve port of each of the packaging bag, the G 1 ~G 3 various gusseted packaging bag Gusset. The automatic bag feeder disclosed in Japanese Examined Patent Publication No. Sho 49-6595 is shown in FIG. 6 (D) among the packaging bags with valves.
It is applied to the upper and lower ship bottom type packaging bags shown in
In addition, the automatic bag feeder described in Japanese Examined Patent Publication No.
It is applied to the packaging bag with the gusset shown in FIGS. 6 (A) to (C). As described above, the conventional automatic bag feeder is limited in the type of packaging bag that can be applied depending on its model, and even if the powder and granular material filling device has a common configuration for various types of valved packaging bags, It is necessary to change the configuration of the device depending on the form of the packaging bag that is going to be filled with powder and granules, and a model that matches the form of the packaging bag was selected and used together with the powder and granule filling device. .
ところが、近年包装袋の形態が多様化し、そのため、複
数種類の弁付き包装袋を使用する必要があるユーザーに
あっては、粉粒体充填装置は共通して使用できるにも拘
らず、複数種類の自動給袋装置と、その各自動給袋装置
と対になった粉粒体充填装置とをそれぞれ設置しておか
なければならず、その分設置スペースを多く必要とし、
かつ不経済でもある。また、弁付き包装袋の種類が変更
されたりすると、自動給袋装置もそれに合わせて取り替
えなければならず、そのために操業を一次中断しなけれ
ばならなくなり、また設備費もかかる。メーカー側とし
ても、各種包装袋の袋に対応できるように複数機種の供
給態勢を有している必要がある。However, in recent years, packaging bags have diversified in morphology, so for users who need to use multiple types of valve-equipped packaging bags, even though the powder and granule filling device can be used in common, multiple types of packaging bags can be used. The automatic bag feeder of and the powder and granular material filling device paired with each of the automatic bag feeders must be installed respectively, which requires a lot of installation space for that.
It is also uneconomical. Further, when the type of the valve-equipped packaging bag is changed, the automatic bag feeder must also be replaced accordingly, and therefore the operation must be temporarily interrupted and the facility cost is also required. The manufacturer side also needs to have a supply system for multiple models so that it can handle various packaging bags.
この発明は、上記したような事情の下でなされたもので
あって、粉粒体を充填しようとする弁付き包装袋の種類
が変更された場合でも、簡単な切替え操作を行なうだけ
で、作業を中断することなく即座に対応することができ
るような自動給袋装置を提供することを技術的課題とす
る。The present invention has been made under the circumstances as described above, and even when the type of the valve-equipped packaging bag to be filled with the powder or granular material is changed, the work can be performed by simply performing the switching operation. It is a technical object to provide an automatic bag feeder capable of immediately responding without interruption.
この発明はガセット付きの包装袋の弁口を開口させるた
めの機器群と、上下船底式の包装袋の弁口を開口させる
ための機器群と、それら両機器群を選択的に動作させる
ための切替え機構と、前記両包装袋の給袋動作に共通し
て与る機器群とから自動給袋装置を構成することによ
り、上記課題を達成した。さらに詳しくは、この発明に
係る自動給袋装置は、包装袋マガジンから１枚ずつ水平
方向に引き出された弁付き包装袋を挟持し、その包装袋
の弁口を開口させ、包装袋を垂直面内において回動させ
て、包装袋の弁口を粉粒体充填装置の充填管に外挿する
ようにした自動給袋装置において、垂直面内において回
動自在に支持されたケーシングに保持され、ケーシング
内に配設された駆動手段により駆動されて弁付き包装袋
を両側から挟持する一対の挟持腕と、互いに対向して配
置され、ガセット付きの包装袋を両側からそれぞれ吸着
して反対方向へ引っ張る吸着盤対と、この吸着盤対を駆
動させる駆動手段と、上下船底式の包装袋の折り畳まれ
た一端面部の、その折り畳まれた側の反対側からその包
装袋の折り畳み部位に当接する当て板と、上下船底式の
包装袋の折り畳まれた一端面部の上辺寄りの部位に接触
し前記当て板と共働してその一端面部を起こすレバー
と、このレバーを駆動させる駆動手段と、上下船底式の
包装袋の起こされた一端面部を吸着して引っ張る吸着盤
と、この吸着盤を駆動させる駆動手段とを備え、前記吸
着盤対及びその駆動手段と、前記当て板、前記レバー及
びその駆動手段、並びに前記吸着盤及びその駆動手段と
を、弁付き包装袋の種類に応じて選択的に動作させる切
替え機構を設けたことを特徴として構成されている。The present invention relates to a device group for opening a valve opening of a packaging bag with a gusset, a device group for opening a valve opening of an upper and lower ship bottom type packaging bag, and for selectively operating both of these device groups. The above object is achieved by forming an automatic bag feeder from a switching mechanism and a group of devices commonly used for the bag feeding operation of both the packaging bags. More specifically, the automatic bag feeder according to the present invention holds a valve-equipped packaging bag that is horizontally pulled out one by one from a packaging bag magazine, opens the valve opening of the packaging bag, and opens the packaging bag on a vertical surface. In the automatic bag feeder, which is rotated in the inside to externally insert the valve opening of the packaging bag into the filling pipe of the powder or granular material filling device, is held by a casing rotatably supported in a vertical plane, A pair of clamping arms that are driven by the driving means disposed inside the casing to clamp the valve-equipped packaging bag from both sides, and are arranged opposite to each other, and the gusset-equipped packaging bags are adsorbed from both sides respectively in opposite directions. A pair of suction cups to be pulled, a drive means for driving the pair of suction cups, and a pad that comes into contact with the folded portion of the folded one end surface of the upper and lower ship bottom type packaging bag from the side opposite to the folded side. Board and above A lever that comes into contact with an upper side portion of the folded one end surface portion of the ship bottom type packaging bag and raises the one end surface portion in cooperation with the backing plate, a drive means for driving this lever, and a vertical ship bottom type packaging bag. A suction plate for sucking and pulling the raised one end face portion, and a driving means for driving the suction plate, the suction plate pair and the driving means, the backing plate, the lever and the driving means, and the It is characterized in that it is provided with a switching mechanism for selectively operating the suction disk and its driving means according to the type of the valve-equipped packaging bag.
上記構成の自動給袋装置においては、水平引出し機構に
より包装マガジンから１枚ずつ水平方向に引き出された
弁付き包装袋を一対の挟持腕で挟持した状態でその包装
袋の弁口を開口させた後、そのままの状態でケーシング
を垂直面内で回動させることにより、包装袋の開口した
弁口が粉粒体充填装置の充填管に外挿される。そして、
包装袋の弁口の開口動作に際しては、切替え機構により
包装袋の形態に応じて予め選定しておいた機器群のみが
作動する。すなわち、包装袋がガセット付きのものであ
る場合は、吸着盤対が駆動されて包装袋の弁口部分の外
面そ両側からそれぞれ吸着して反対方向へ引っ張ること
により弁口が開口される。この時、当て板、レバー及び
吸着盤は退避位置にある。他方、包装袋が上下船底式の
ものである場合は、その折り畳まれた一端面部の、折り
畳まれた側の反対側からその折畳み部位に当て板が当接
した状態で、レバーが駆動されてそのレバーの先端部が
包装袋の折り畳まれた一端面部の上辺寄りの部位に接触
しその部分を押すことにより一端面部が起こされ、吸着
盤を駆動させてその起こされた一端面部の弁口部分の外
面を吸着して引っ張ることにより弁口が開口される。こ
の時、吸着盤対は退避位置にある。このように、この自
動給袋装置は、包装袋の形態が変更されたとしても、切
替え機構を操作して機器群を選択的に動作させることに
より、作業を中断しなくても即座に対応することができ
る。In the automatic bag feeder having the above-mentioned configuration, the valve opening of the packaging bag is opened with the pair of clamping arms sandwiching the valve-equipped packaging bags that are horizontally drawn out one by one from the packaging magazine by the horizontal drawing mechanism. After that, the valve opening of the packaging bag is externally inserted into the filling pipe of the powdery or granular material filling device by rotating the casing in the vertical plane in the same state. And
When opening the valve opening of the packaging bag, only the device group previously selected according to the form of the packaging bag is operated by the switching mechanism. That is, in the case where the packaging bag has a gusset, the pair of suction plates are driven so that the suction port is sucked from both sides of the outer surface of the valve port portion of the packaging bag and pulled in the opposite direction to open the valve port. At this time, the backing plate, the lever and the suction plate are in the retracted position. On the other hand, in the case where the packaging bag is of the upper and lower ship bottom type, the lever is driven by the lever being driven in a state where the backing plate is in contact with the folded portion from the side opposite to the folded side of the folded one end surface portion. The tip of the lever comes into contact with the part of the folded one end surface of the packaging bag near the upper edge and pushes that part to raise the one end surface, which drives the suction cup to move the valve opening part of the raised one end surface. The valve port is opened by sucking and pulling the outer surface. At this time, the suction cup pair is in the retracted position. Thus, even if the form of the packaging bag is changed, this automatic bag feeder can respond immediately without interrupting the work by operating the switching mechanism to selectively operate the device group. be able to.
以下、この発明の好適な実施例について図面を参照しな
がら詳細に説明する。Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
第１図及び第２図はこの発明の１実施例を示す自動給袋
装置の平面図であり、第１図はガセット付きの包装袋に
適用している状態の図、第２図は上下船底式の包装袋に
適用している状態の図である。この自動給袋装置は、包
装袋の形態の如何に関係なく給袋動作に与る共通機器
群、ガセット付き包装袋の弁口の開口動作に与る機器
群、上記船底式包装袋の弁口の開口動作に与る機器群、
並びにそれぞれの開口動作に与る機器群を選択的に動作
させるための切替え機構とから構成されている。共通機
器群は、ケーシング10、このケーシング10に固着されて
ケーシングを支持する水平支軸12、この水平支軸12に連
結され、その水平支軸12を介してケーシング10を約90°
下方に回動させるトルクアクチュエータ（図示せず）、
ケーシング10に水平面内で回動可能に保持された一対の
挟持腕14、14′、及びケーシング10内に配設され、挟持
腕14、14′を駆動させるアクチュエータ16から構成され
ている。ガセット付き包装袋用開口機器群は、互いに対
向して配置され、ガセット付き包装袋１の弁口部分の外
面をそれぞれ吸着する吸着盤対18、18′、この吸着盤対
18、18′に管路接続された真空吸引源（図示せず）、吸
着盤対18、18′を包装袋１に対して進退駆動する小形シ
リンダ20、20′、この小形シリンダ20、20′が取り付け
られる取付板22、22′及びこの取付板22、22′を挟持腕
14、14′に対して回動させて小形シリンダ20、20′を水
平姿勢（第１図に示した状態）と垂直姿勢（第２図に示
した状態）とに切り替ええる切替え蝶番24、24′とから
構成されている。また、上下船底式包装袋用開口機器群
は、一方の挟持腕14′の先端部に配置され、上下船底式
包装袋２の一端面部３の折畳み部位に一方側から当接す
る当て板26、この当て板26を挟持腕14′の先端部に蝶着
するための蝶番28、包装袋２の一端面部３の上辺寄りの
部位に先端が接触しその部分を押圧するよう回動可能
に、ピン支点30を介して一方の挟持腕14′に軸着された
レバー32、このレバー32のクランク軸部34の一端部にピ
ストンロッド38の先端部がブラケット40を介して回動自
在にピン連接され、一方の挟持腕14′にピン支点42を介
して後端部分が軸着されたレバー駆動用シリンダ36、包
装袋２の一端面部３を吸着する吸着盤44、この吸着盤44
に管路接続された真空吸引源（図示せず）、ケーシング
10に取り付けられ、吸着盤44を、包装袋１に対しては休
止させ、包装袋２に対しては進退駆動する大形シリンダ
（２段ストローク）46、上下船底式包装袋２の弁口が開
口していることを、吸着盤44の位置を検知することによ
って確認する開口確認センサ48、及び一方の挟持腕14に
保持され、包装袋２の上端面部３の裏側へ圧縮空気を吹
き付けるエアーノズル50とから構成されている。また、
両開口機器群のシーケンス動作を切り替える機構は、図
示を省略しているが、切替えスイッチ、シーケンスコン
トローラなどからなる。1 and 2 are plan views of an automatic bag feeder according to an embodiment of the present invention. FIG. 1 is a view showing a state in which the bag is equipped with a gusset, and FIG. It is a figure of the state where it has applied to the packaging bag of a formula. This automatic bag feeder is a group of common devices for bag feeding operation regardless of the form of the packing bag, a group of devices for opening operation of the valve opening of the packaging bag with gussets, the valve opening of the ship bottom type packaging bag. Of devices that affect the opening operation of
And a switching mechanism for selectively operating a group of devices involved in each opening operation. The common device group includes a casing 10, a horizontal support shaft 12 fixed to the casing 10 to support the casing, and the horizontal support shaft 12 connected to the horizontal support shaft 12.
A torque actuator (not shown) that rotates downward,
The casing 10 includes a pair of holding arms 14 and 14 'which are rotatably held in a horizontal plane, and an actuator 16 which is disposed in the casing 10 and drives the holding arms 14 and 14'. The group of opening devices for packaging bag with gussets are arranged so as to face each other, and a pair of suction plates 18 and 18 'for respectively sucking the outer surface of the valve opening portion of the packaging bag 1 with gussets.
A vacuum suction source (not shown) connected to the pipes 18 and 18 ', a small cylinder 20 and 20' for driving the suction plate pair 18 and 18 'forward and backward with respect to the packaging bag 1, and the small cylinders 20 and 20'. The mounting plates 22 and 22 'to which the and the mounting plates 22 and 22' are clamped
Switching hinges 24, 24 that can be rotated with respect to 14, 14 'to switch the small cylinders 20, 20' between a horizontal position (the state shown in FIG. 1) and a vertical position (the state shown in FIG. 2). ′ And. Further, the upper and lower ship bottom type packaging bag opening device group is arranged at the tip of one of the sandwiching arms 14 ', and is in contact with the folding portion of the one end face portion 3 of the upper and lower ship bottom type packaging bag 2 from one side. A hinge 28 for attaching the backing plate 26 to the tip of the holding arm 14 'and a pin fulcrum so that the tip comes into contact with a portion near the upper side of the one end surface portion 3 of the packaging bag 2 and presses that portion. A lever 32 pivotally attached to one holding arm 14 'via 30 and a tip end portion of a piston rod 38 is rotatably pin-connected via a bracket 40 to one end portion of a crank shaft portion 34 of the lever 32, A lever driving cylinder 36 whose rear end portion is axially attached to one of the sandwiching arms 14 'via a pin fulcrum 42, a suction plate 44 for sucking the one end face 3 of the packaging bag 2, and a suction plate 44 of this type.
Vacuum suction source (not shown) connected to the casing, casing
The large cylinder (two-step stroke) 46, which is attached to the unit 10, makes the suction plate 44 pause for the packaging bag 1 and drives the packaging bag 2 forward and backward, and the valve port of the upper and lower ship bottom type packaging bag 2 An opening confirmation sensor 48 that confirms the opening by detecting the position of the suction plate 44, and an air nozzle that is held by the one holding arm 14 and blows compressed air to the back side of the upper end surface portion 3 of the packaging bag 2. It consists of 50 and. Also,
Although not shown, the mechanism for switching the sequence operation of both aperture device groups includes a changeover switch and a sequence controller.
次に上記のように構成された自動給袋装置の動作につい
て説明する。まず、空の弁付き包装袋を多数収納した包
装袋マガジンから水平引出し機構により包装袋を１枚ず
つ水平方向に引き出し（いずれも図示を省略）、第３図
に示すように、その引き出された包装袋（この例ではガ
セット付きピンチ袋）４の弁口付近の外面を、一対の挟
持腕14、14′を水平面内で回動させて両側から挟持する
ことにより包装袋４を保持する。次いで、包装袋４の弁
口の開口動作が行なわれるのであるが、その開口動作
は、包装袋の形態に応じて切替え機構により予め選定し
ておいた機器群によって所定のシーケンス動作に従い行
なわれる。包装袋を下方向から見た状態を模式的に表わ
した第４−１図ないし第４−３図に基づいて、ガセット
付き包装袋１における開口動作を説明すると、まず、第
４−１図に示した状態から、小形シリンダ20、20′を駆
動させて吸着盤対18、18′を包装袋１の弁口５の外面に
向かって押し出す。そして、第４−２図に示したように
吸着盤対18、18′を包装袋１の弁口５の外面に当接さ
せ、真空吸引することにより吸着盤対18、18′で弁口５
外面を吸着し、小形シリンダ20、20′を駆動させて吸着
盤対18、18′を反対方向へ移動させることにより弁口５
の外面を外方へ引っ張る。すると、第４−３図に示した
ように弁口５が開口される。第４−３図中６はガセット
である。尚、以上の開口動作の間、上下船底式包装袋用
の開口機器群は邪魔にならない位置に退避している。こ
の際、大形シリンダは１段目のストロークのロッドエン
ドまで引っ込んで休止している（第１図参照）。Next, the operation of the automatic bag feeder constructed as above will be described. First, each of the packaging bags is pulled out horizontally from the packaging bag magazine containing a large number of empty packaging bags with a horizontal pulling mechanism (all are not shown), and as shown in FIG. The outer surface of the packaging bag (in this example, a pinch bag with gussets) 4 near the valve opening is clamped from both sides by rotating the pair of clamping arms 14 and 14 'in a horizontal plane to hold the packaging bag 4. Next, the opening operation of the valve opening of the packaging bag 4 is performed, and the opening operation is performed in accordance with a predetermined sequence operation by a group of devices selected in advance by the switching mechanism according to the form of the packaging bag. The opening operation of the packaging bag 1 with gussets will be described based on FIGS. 4-1 to 4-3 schematically showing the state of the packaging bag as viewed from below. First, referring to FIG. From the state shown, the small cylinders 20 and 20 'are driven to push the suction cup pair 18 and 18' toward the outer surface of the valve port 5 of the packaging bag 1. Then, as shown in FIG. 4-2, the suction plate pair 18, 18 'is brought into contact with the outer surface of the valve port 5 of the packaging bag 1 and vacuum suction is performed to suck the suction plate pair 18, 18'.
By sucking the outer surface and driving the small cylinders 20 and 20 'to move the suction disk pair 18 and 18' in the opposite directions, the valve port 5
Pull the outer surface of the. Then, the valve port 5 is opened as shown in FIG. 4-3. 6 in FIG. 4-3 is a gusset. During the above opening operation, the opening device group for the upper and lower ship bottom packaging bags is retracted to a position where it does not interfere. At this time, the large cylinder is retracted to the rod end of the first stroke and is at rest (see FIG. 1).
次に、第４−１図ないし第４−３図と同様に表わした第
５−１図ないし第５−４図に基づいて、上下船底式包装
袋２における開口動作を説明すると、まず、第５−一図
に示した状態から、当て板26を回動させて、包装袋２の
折り畳まれた一端面部３の、その折り畳まれた側の反対
側の折畳み部位に当て板26を当接させる。続いて、レバ
ー駆動用シリンダ36（第２図参照）を駆動させて、ピン
支点30を中心にレバー32を回動させることによりレバー
32を一端面部３の上辺寄りの部位に接触させ、第５−２
図に示した状態からさらにレバー32を回動させて一端面
部３を押すことにより、当て板26によるバックアップ作
用を受けて、またエアーノズル50から一端面部３の裏側
への圧縮空気の吹付け作用も伴って、第５−３図に示し
たように包装袋２の一端面部３が起こされる。一端面部
３が起こされると、大形シリンダ46（第２図参照）を駆
動させて吸着盤44を一端面部３の方向へ押し出し、第５
−３図に示したように吸着盤44を一端面部３の弁口７の
形成部位外面に当接させ、真空吸引することにより吸着
盤44で弁口７外面を吸着する。そして、大形シリンダ46
を駆動させて吸着盤44を包装袋２から遠ざかる方向へ移
動させることにより弁口７の外面を外方へ引っ張ると、
第５−４図に示したように弁口７が開口する。この時、
吸着盤44の一部が開口確認センサ48に接触して包装袋２
の弁口７が十分に開口したことが検知され、その検知信
号により次のシーケンス動作が行なわれることになる。
そして、以上の開口動作の間、切替え蝶番24、24′によ
り吸着盤対18、18′等からなる。ガセット付き包装袋用
の開口機器群は回動させられて退避位置にあり休止して
いる（第２図参照）。Next, the opening operation of the upper and lower vessel bottom type packaging bag 2 will be described based on FIGS. 5-1 to 5-4 which are similar to FIGS. 4-1 to 4-3. 5-1 From the state shown in FIG. 1, the contact plate 26 is rotated to bring the contact plate 26 into contact with the folded end portion 3 of the packaging bag 2 on the opposite side of the folded side. . Subsequently, the lever driving cylinder 36 (see FIG. 2) is driven to rotate the lever 32 about the pin fulcrum 30 and thereby the lever 32.
32 is brought into contact with the part of the one end face 3 near the upper side, and the 5-2nd
By further rotating the lever 32 from the state shown in the figure and pushing the one end face portion 3, the backing action by the contact plate 26 is received, and the compressed air is blown from the air nozzle 50 to the back side of the one end face portion 3. Along with this, the one end face portion 3 of the packaging bag 2 is raised as shown in FIG. 5-3. When the one end face portion 3 is raised, the large cylinder 46 (see FIG. 2) is driven to push the suction plate 44 toward the one end face portion 3 and
As shown in FIG. 3, the suction plate 44 is brought into contact with the outer surface of the one end face portion 3 where the valve opening 7 is formed, and vacuum suction is performed to suck the outer surface of the valve opening 7 by the suction disk 44. And large cylinder 46
When the outer surface of the valve opening 7 is pulled outward by driving the suction plate 44 in the direction away from the packaging bag 2,
The valve port 7 opens as shown in FIG. 5-4. At this time,
A part of the suction plate 44 comes into contact with the opening confirmation sensor 48 and the packaging bag 2
It is detected that the valve opening 7 is sufficiently opened, and the next sequence operation is performed by the detection signal.
Then, during the above opening operation, it comprises the suction cup pair 18, 18 'etc. by the switching hinges 24, 24'. The group of opening devices for the gusseted packaging bag has been swung to the retracted position and is at rest (see FIG. 2).
上述したようなシーケンス動作に従って包装袋の弁口が
開口されると、先に粉粒体充填装置に供給された包装袋
への充填作業の終了及び充填済み包装袋の充填管52より
の離脱を待って、その終了の信号がシーケンスコントロ
ーラへ送られたならば、水平引出し機構による包装袋４
の保持力を解除するとともに、第３図に示すように、ト
ルクアクチュエータ（図示せず）を駆動させてその回転
トルクを水平支軸12を介してケーシング10に伝達し、挟
持腕14、14′で包装袋４を挟持するとともに吸着盤対1
8、18′で弁口を開口させたまま、ケーシング10を矢印
ａ方向に約90°回動させることにより、包装袋４の弁口
が粉粒体充填装置の充填管52に外挿され、包装袋４は袋
受け台（図示せず）に搭載される。包装袋４が粉粒体充
填装置にセットされると、吸着盤対18、18′による吸着
を解除しアクチュエータ16が駆動して挟持腕14、14′を
外方に開き、包装袋４の挟持を解除すると同時に、トル
クアクチュエータを駆動させてケーシング10を第３図の
二点鎖線の位置から実線の位置へ矢印ｂ方向に回動さ
せ、元の水平状態に復帰させる。この後、充填管52を通
して包装袋４内への粉粒体の吹込み充填が開始され、一
方、元の位置に復帰した自動給袋装置はその充填の間
に、水平引出し機構により水平方向に引き出された次の
包装袋の挟持、開口動作を行なう。以上の工程を繰り返
すことにより次々と粉粒体の袋詰め作業が進行してゆ
く。When the valve opening of the packaging bag is opened according to the sequence operation as described above, the end of the filling operation for the packaging bag previously supplied to the powder and granular material filling device and the detachment of the filled packaging bag from the filling pipe 52. Wait, if the end signal is sent to the sequence controller, the packaging bag 4 by the horizontal pulling mechanism
As shown in FIG. 3, a torque actuator (not shown) is driven to transmit the rotational torque to the casing 10 through the horizontal support shaft 12 and the holding arms 14, 14 '. The packing bag 4 is sandwiched between and the suction cup pair 1
By rotating the casing 10 by about 90 ° in the direction of the arrow a while keeping the valve openings 8 and 18 ′ open, the valve opening of the packaging bag 4 is externally inserted into the filling pipe 52 of the powder and granular material filling device, The packaging bag 4 is mounted on a bag cradle (not shown). When the packaging bag 4 is set in the powder and granular material filling device, the suction by the suction plate pair 18, 18 'is released and the actuator 16 is driven to open the holding arms 14, 14' to the outside so that the packaging bag 4 is held. At the same time, the torque actuator is driven to rotate the casing 10 from the position indicated by the chain double-dashed line in FIG. 3 to the position indicated by the solid line in the direction of arrow b to restore the original horizontal state. After that, the blow-filling of the powder and granules into the packaging bag 4 through the filling pipe 52 is started, while the automatic bag feeding device which has returned to the original position is horizontally filled by the horizontal drawing mechanism during the filling. The next packaging bag pulled out is pinched and opened. By repeating the above steps, the packing work of the powder and granules progresses one after another.
この発明は以上説明したように構成されかつ作用するの
で、粉粒体を充填しようとする弁付き包装袋の形態が変
更されたとしても、１機種だけの自動給袋装置を使用し
てその簡単な切替え操作を行なうだけで、作業を中断し
なくても即座に対応することができ、複数種類の包装袋
を使用する必要があるユーザーにとっては、作業効率が
良く、従来に比べて設備費、設置スペースも少なくて済
み、またメーカーにとっても１機種だけの装置を供給で
きるようにしておけばよく便宜である。Since the present invention is constructed and operates as described above, even if the form of the valve-equipped packaging bag to be filled with the powder or granular material is changed, it is easy to use the automatic bag feeding device of only one model. It is possible to respond immediately without interrupting work by simply performing a simple switching operation, and for users who need to use multiple types of packaging bags, work efficiency is good, equipment cost compared to the past, The installation space is small, and it is convenient for the manufacturer to be able to supply only one type of device.
第１図及び第２図はこの発明の１実施例を示す自動給袋
装置の平面図であり、第１図はガセット付き包装袋に適
用している状態の図、第２図はガセットなし上下船底式
包装袋に適用している状態の図、第３図はこの自動給袋
装置の動作を説明するための側面図であって粉粒体充填
装置の一部と共に示した図、第４−１図ないし第４−３
図はガセット付き包装袋における開口動作を説明するた
めの図であって包装袋を下方向から見た状態を模式的に
表わした図、第５−１図ないし第５−４図はガセットな
し上下船底式包装袋における開口動作を説明するための
図であって上記と同様に表わした図であり、第６図
（Ａ）〜（Ｄ）は各種包装袋の正面図である。 １…ガセット付き包装袋、２…ガセットなし上下船底式
包装袋、３…上下船底式包装袋の一端面部、５、７…弁
口、10…ケーシング、12…水平支軸、14、14′…挟持
腕、16…アクチュエータ、18、18′…吸着盤対、20、2
0′…小形シリンダ、24、24′、28…蝶番、26…当て
板、30、42…ピン支点、32…レバー、36…レバー駆動用
シリンダ、44…吸着盤、46…大形シリンダ、48…開口確
認センサ、50…エアーノズル、52…充填管。1 and 2 are plan views of an automatic bag feeder according to one embodiment of the present invention. FIG. 1 is a view showing a state in which it is applied to a packaging bag with gussets, and FIG. FIG. 3 is a side view for explaining the operation of the automatic bag feeder, which is a side view for explaining the operation of the automatic bag feeder, and FIG. 1 to 4-3
The figure is a view for explaining the opening operation of the packaging bag with gussets, and is a diagram schematically showing the state of the packaging bag as viewed from below. Figs. 5-1 to 5-4 show the upper and lower sides without gussets. It is a figure for demonstrating the opening operation | movement in a ship bottom type | mold packaging bag, and is a figure represented similarly to the above, and FIGS. 6 (A)-(D) are front views of various packaging bags. DESCRIPTION OF SYMBOLS 1 ... Packaging bag with gusset, 2 ... Upper and lower ship bottom type packaging bag without gusset, 3 ... One end surface of the upper and lower ship bottom type packaging bag, 5, 7 ... Valve mouth, 10 ... Casing, 12 ... Horizontal support shaft, 14, 14 '... Clamping arm, 16 ... Actuator, 18,18 '... Suction plate pair, 20,2
0 '... Small cylinder, 24,24', 28 ... Hinges, 26 ... Patch plate, 30,42 ... Pin fulcrum, 32 ... Lever, 36 ... Lever drive cylinder, 44 ... Suction plate, 46 ... Large cylinder, 48 … Opening confirmation sensor, 50… Air nozzle, 52… Filling tube.
Claims (1)
き出された弁付き包装袋を挟持し、その包装袋の弁口を
開口させ、包装袋を垂直面内において回動させて、包装
袋の弁口を粉粒体充填装置の充填管に外挿するようにし
た自動給袋装置において、垂直面内において回動自在に
支持されたケーシングに保持され、ケーシング内に配設
された駆動手段により駆動されて弁付き包装袋を両側か
ら挟持する一対の挟持腕と、互いに対向して配置され、
ガセット付きの包装袋を両側からそれぞれ吸着して反対
方向へ引っ張る吸着盤対と、この吸着盤対を駆動させる
駆動手段と、上下船底式の包装袋の折り畳まれた一端面
部の、その折り畳まれた側の反対側からその包装袋の折
り畳み部位に当接する当て板と、上下船底式の包装袋の
折り畳まれた一端面部の上辺寄りの部位に接触し前記当
て板と共働してその一端面部を起こすレバーと、このレ
バーを駆動させる駆動手段と、上下船底式の包装袋の起
こされた一端面部を吸着して引っ張る吸着盤と、この吸
着盤を駆動させる駆動手段とを備え、前記吸着盤対及び
その駆動手段、前記当て板、前記レバー及びその駆動手
段、並びに前記吸着盤及びその駆動手段とを、弁付き包
装袋の種類に応じて選択的に動作させる切替え機構を設
けたことを特徴とする自動給袋装置。1. A packaging bag with a valve, which is pulled out one by one from a packaging bag magazine in a horizontal direction, is sandwiched, a valve opening of the packaging bag is opened, and the packaging bag is rotated in a vertical plane. In the automatic bag feeder in which the valve opening of the above is externally inserted into the filling pipe of the powder and granular material filling device, the driving means is held by the casing rotatably supported in the vertical plane and arranged in the casing. Driven by the pair of clamping arms for clamping the valve-equipped packaging bag from both sides, and arranged to face each other,
A pair of suction cups for sucking the gusseted packaging bags from both sides and pulling them in opposite directions, a drive means for driving the pair of suction cups, and the folded one end surface of the upper and lower ship bottom type packaging bags. From the opposite side to the contacting plate that comes into contact with the folded part of the packaging bag, and the upper end part of the folded one end surface of the upper and lower ship bottom type packaging bag that comes into contact with the above-mentioned one end plate part in cooperation with the contacting plate. A lever for raising, a driving means for driving this lever, a suction plate for sucking and pulling the raised one end surface of the upper and lower ship bottom type packaging bag, and a driving means for driving this suction plate, the suction plate pair And a drive mechanism therefor, the backing plate, the lever and drive means thereof, and the suction cup and drive means thereof are selectively operated according to the type of the valve-equipped packaging bag. That automatic paper bag apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10753387A JPH0735163B2 (en) | 1987-04-30 | 1987-04-30 | Automatic bag feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10753387A JPH0735163B2 (en) | 1987-04-30 | 1987-04-30 | Automatic bag feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63272635A JPS63272635A (en) | 1988-11-10 |
| JPH0735163B2 true JPH0735163B2 (en) | 1995-04-19 |
Family
ID=14461601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10753387A Expired - Fee Related JPH0735163B2 (en) | 1987-04-30 | 1987-04-30 | Automatic bag feeder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735163B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5102978A (en) * | 1990-04-16 | 1992-04-07 | The Goodyear Tire & Rubber Company | Copolyester |
| CN112026102A (en) * | 2020-08-14 | 2020-12-04 | 太仓市冬鑫塑料制品有限公司 | Automatic feeding, packaging and injection molding equipment and using method thereof |
-
1987
- 1987-04-30 JP JP10753387A patent/JPH0735163B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63272635A (en) | 1988-11-10 |
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