JPS6215122Y2 - - Google Patents
Info
- Publication number
- JPS6215122Y2 JPS6215122Y2 JP1982024837U JP2483782U JPS6215122Y2 JP S6215122 Y2 JPS6215122 Y2 JP S6215122Y2 JP 1982024837 U JP1982024837 U JP 1982024837U JP 2483782 U JP2483782 U JP 2483782U JP S6215122 Y2 JPS6215122 Y2 JP S6215122Y2
- Authority
- JP
- Japan
- Prior art keywords
- bag
- plate
- air spring
- automatic packaging
- packaging machine
- 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
Links
- 238000004806 packaging method and process Methods 0.000 claims description 19
- 238000010079 rubber tapping Methods 0.000 claims description 17
- 238000005303 weighing Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 4
- 238000009958 sewing Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000010009 beating Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
Landscapes
- Basic Packing Technique (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は、主として飼料や肥料あるいはセメン
ト等の粒粉物の袋詰めに用いる自動包装機におけ
る計量不足を検出する装置に関する。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a device for detecting under-weighing in an automatic packaging machine mainly used for bagging grains such as feed, fertilizer, or cement.
従来の技術
第１図〜第３図に示すように、特公昭53−
20918号公報記載の自動包装機は大略して、被包
装物供給部Ａ、充填部Ｂ、包装袋供給部Ｃ、底た
たき部Ｄ、縫合部Ｅとから構成されている。Conventional technology As shown in Figures 1 to 3,
The automatic packaging machine described in Publication No. 20918 is roughly composed of a packaged article supply section A, a filling section B, a packaging bag supply section C, a bottom beating section D, and a sewing section E.
被包装物供給部Ａにおいては、被包装物を所定
量ずつ計量する計量機１と固定ホツパ２が設けら
れている。 The packaged article supply section A is provided with a weighing machine 1 and a fixed hopper 2 for weighing predetermined amounts of packaged articles.
充填部Ｂにおいては、供給部Ａ等を支持する支
持フレーム３と、支持フレーム３の下面にロータ
リ方式の可動ホツパ４が、縦軸５に軸着固定され
た支持部材６を介して数個、固設されている。こ
の可動ホツパ４は、駆動装置７の起動でなされる
支持部材６の回転で固定ホツパ２に対して動かさ
れ、動きの途上において所定時間だけ固定ホツパ
２に連通される。また可動ホツパ４の下部に挿入
管８が設けられ、起倒アーム９、固定部材１０、
面カム１１、突上杆１２により上下動する。な
お、１３は袋、１４は駆動軸、１５，１６は傘歯
車、１７は中間軸、１８，１９は平歯車で、これ
らの機構を介して縦軸５は駆動装置７と連絡して
いる。 In the filling section B, there is a support frame 3 that supports the supply section A, etc., and several rotary type movable hoppers 4 are mounted on the lower surface of the support frame 3 via support members 6 that are fixedly fixed to the vertical shaft 5. It is permanently installed. The movable hopper 4 is moved relative to the fixed hopper 2 by rotation of the support member 6 caused by activation of the drive device 7, and is communicated with the fixed hopper 2 for a predetermined period of time during the movement. Further, an insertion tube 8 is provided at the lower part of the movable hopper 4, and a tilting arm 9, a fixing member 10,
It is moved up and down by a surface cam 11 and a projecting rod 12. Note that 13 is a bag, 14 is a drive shaft, 15 and 16 are bevel gears, 17 is an intermediate shaft, and 18 and 19 are spur gears, and the vertical shaft 5 communicates with the drive device 7 through these mechanisms.
包装袋供給部Ｃは、第２図に示すように、可動
ホツパ４の下側方に位置し、第４図に示すよう
に、複数の取出吸盤２０，２０を設けた昇降枠２
１、昇降枠２１を上下に動かす押上枠（図示せ
ず）、取出吸盤２０を前後に動かすための前後カ
ム２２、これらの動作を連動させるための複数の
連結杆２３，２４，２５、回転軸２６，２７，２
８及びバネ３０とからなり、取出吸盤２０によ
り、袋１３を一枚ずつ吸着保持し、所望位置に運
ぶ。また、縦軸５に遊着されている回動盤３１
（第５図参照）に開口吸盤（図示せず）が設けら
れ、開口吸盤で袋１３を開口し、袋１３の開口が
進むとリミツトスイツチ（図示せず）により検知
し、挿入管８が下降し、袋１３内に挿入する。 As shown in FIG. 2, the packaging bag supply section C is located below the movable hopper 4, and as shown in FIG.
1. A push-up frame (not shown) that moves the lifting frame 21 up and down, a front-rear cam 22 that moves the take-out suction cup 20 back and forth, a plurality of connecting rods 23, 24, 25 that link these operations, and a rotating shaft. 26, 27, 2
8 and a spring 30, the bag 13 is sucked and held one by one by a take-out suction cup 20, and transported to a desired position. In addition, a rotary plate 31 freely attached to the vertical shaft 5
(See Fig. 5) is provided with an opening suction cup (not shown), and when the bag 13 is opened with the opening suction cup, and the opening of the bag 13 advances, it is detected by a limit switch (not shown), and the insertion tube 8 is lowered. , inserted into the bag 13.
底たたき部Ｄもまた可動ホツパ４の下側方に位
置し、第５図に示すように、底たたき板３２の支
持枠３３が平行リンク３４を介して回動盤３１に
取りつけられ、シリンダ３５により上下駆動す
る。 The bottom beating part D is also located on the lower side of the movable hopper 4, and as shown in FIG. Drives up and down.
縫合部Ｅもまた第２図に示すように、可動ホツ
パ４の下側方に位置し、被包装物の投入を終わつ
た袋１３は、袋口部をチエンベルト（図示せず）
で挾まれて運ばれ、ミシン３６により縫合され
る。 As shown in FIG. 2, the stitched portion E is also located below the movable hopper 4, and the bag 13 after loading the items to be packaged is secured to the bag opening by a chain belt (not shown).
It is carried while being pinched by the sewing machine 36, and then sewn up by the sewing machine 36.
このように、従来の自動包装機は、被包装物の
供給から袋の縫合までを一つの機械で行ない、充
填中のブリージユングを防止するために袋の底た
たきを行なつていたにもかかわらず、被包装物の
粘着性が強い場合、被包装物がホツパの中に付着
するなどの原因により、計量不足のままで縫合し
てしまい、後の工程で過少充填が見つかる不都合
が生じていた。 In this way, conventional automatic packaging machines perform everything from feeding the packaged items to sewing the bag in one machine, and tap the bottom of the bag to prevent breeching during filling. If the object to be packaged is highly adhesive, the object may adhere to the inside of the hopper, resulting in suturing without being measured properly, resulting in the inconvenience that underfilling may be detected in a later process.
また、計量不足を防止するために、袋受台を有
する振動装置を板状スプリングを介して計量フレ
ームに設けると共に、計量フレームは垂直方向に
対して適当な角度に傾斜して設けられた網帯薄板
を介し、秤量装置の計量杆に連なる回転軸上の回
転ホイールに通結されている自動定量充填装置が
実公昭51−22040号公報として提案されている。
しかし、この装置は計量フレームの垂直上下方向
の振動荷重を吸収し、被計量物の重量を振動に支
障されることなく秤量することはできるが、底た
たき部の側方に大きな装置を設けるため、場所を
とると共に構成部材を多数必要とし、被計量物の
供給から袋の縫合まで一貫して行う自動包装機に
組み込むことができなかつた。 In addition, in order to prevent insufficient weighing, a vibrating device with a bag holder is installed on the weighing frame via a plate spring, and the weighing frame is equipped with a mesh belt tilted at an appropriate angle with respect to the vertical direction. Japanese Utility Model Publication No. 51-22040 proposes an automatic fixed-quantity filling device that is connected via a thin plate to a rotating wheel on a rotating shaft connected to a measuring rod of a weighing device.
However, although this device absorbs the vibration load in the vertical vertical direction of the weighing frame and can weigh the weight of the object to be weighed without being affected by vibrations, it requires a large device on the side of the bottom tapping section. However, it takes up space and requires a large number of components, and cannot be incorporated into an automatic packaging machine that performs the entire process from supplying objects to be weighed to sewing bags together.
さらに、被計量物の供給から袋の縫合まで一貫
して行う自動包装機において、タンク繰出口に位
置する袋を受ける計量台と、該計量台に対して袋
詰め時に振動を与える振動装置とを具備した穀物
の袋詰め装置が実開昭49−65677号公報として提
出されている。しかし、この装置は、振動を緩和
するためのばねと袋の重量を計るための計量機が
それぞれ別個に設けられているものである。 Furthermore, in an automatic packaging machine that performs the entire process from supplying objects to be weighed to sewing bags, we have installed a weighing platform located at the tank outlet that receives the bags, and a vibration device that vibrates the weighing platform during bag filling. A grain bagging device equipped with the above-mentioned grain bagging device has been submitted as Japanese Utility Model Application Publication No. 49-65677. However, this device is separately provided with a spring for damping vibrations and a weighing machine for measuring the weight of the bag.
考案が解決しようとする問題点
そこで、本考案は、上述の欠点を除去するため
に、自動包装機において底たたき部Ｄに改良を加
え、計量不足を防止するエアースプリングの内圧
によつて作動する圧力スイツチよりなる計量不足
検出装置を設けることにより、このエアスプリン
グで底たたきの振動を緩和する機能をも兼ねるよ
うにし、前記実公昭51−22040号公報記載のもの
に比較して構成部材が少なく、場所をとることの
ない自動包装機を提供することを技術的課題とし
ている。Problems to be Solved by the Invention Therefore, in order to eliminate the above-mentioned drawbacks, the present invention improves the bottom tapping part D of an automatic packaging machine, and operates by the internal pressure of an air spring to prevent insufficient weighing. By providing an under-metering detection device consisting of a pressure switch, this air spring also has the function of alleviating the vibration of bottom tapping, and the number of components is reduced compared to that described in the above-mentioned Japanese Utility Model Publication No. 51-22040. The technical challenge is to provide an automatic packaging machine that does not take up much space.
問題点を解決するための手段
上記技術的課題を解決するために、本考案の自
動包装機における計量不足検出装置は、支持枠を
上下移動可能に設けて底たたき部とした自動包装
機において、前記支持枠に設けた固定板に近接離
間自在に底たたき板を設け、前記固定板と前記底
たたき板との間にエアースプリングを配設し、該
エアースプリングにその内圧を感知する圧力スイ
ツチを接続したことを特徴とする。Means for Solving the Problems In order to solve the above-mentioned technical problems, the under-weighing detection device for an automatic packaging machine of the present invention is provided in an automatic packaging machine in which a support frame is provided to be movable up and down and is used as a bottom tapping part. A bottom striking plate is provided on the fixed plate provided on the support frame so as to be able to approach and move away from the bottom, an air spring is disposed between the fixed plate and the bottom striking plate, and a pressure switch for sensing the internal pressure of the air spring is provided. It is characterized by being connected.
作 用
被包装物が詰められた袋が底たたき板上に位置
されると、底たたき板が上下動し停止する。この
時、袋の重量により底たたき板と固定板の間に設
けられたエアースプリングが圧縮される。する
と、圧力スイツチがエアースプリングの内圧の変
化を感知し、被包装物の所望重量に対応する値以
下である時は、圧力スイツチが作動して被包装物
の計量不足であることを検出し、次工程への移送
を停止する。Function: When a bag filled with items to be packaged is placed on the bottom striking plate, the bottom striking plate moves up and down and stops. At this time, the air spring provided between the bottoming plate and the fixing plate is compressed by the weight of the bag. Then, the pressure switch senses the change in the internal pressure of the air spring, and when it is less than the value corresponding to the desired weight of the packaged item, the pressure switch is activated and detects that the weight of the packaged item is insufficient. Stop the transfer to the next process.
実施例
以下、図面に基いて本考案の実施例を説明す
る。Embodiments Hereinafter, embodiments of the present invention will be described based on the drawings.
第６図は、本考案の実施例の側断面図、第７図
は、第６図のＦ−Ｆにおける横断面図である。４
１は、第５図の回動盤３１に設けた支持枠３３に
相当するＬ字形の支持枠で、支持枠４１には固定
板４２を取付けて支持枠４１と固定板４２とで支
持枠体を構成し、固定板４２の上には４本の摺動
可能な支柱４３と、支柱４３の周囲に巻回するス
プリング４４をそれぞれ設け、一定間隔を有し、
かつ上下動可能な状態で、支持枠体に対して近接
離間自在に底たたき板４５を設ける。また、支持
枠４１には、底たたき板４５が２回上下動して停
止するように作動する検出タイミングのリミツト
スイツチ（図示せず）が設定される。そして、支
持枠体の固定板４２と底たたき板４５の間の中央
部にはエアースプリング４６を配設し、エアース
プリング４６には圧力スイツチ４７を接続する。 FIG. 6 is a side sectional view of an embodiment of the present invention, and FIG. 7 is a cross-sectional view taken along line FF in FIG. 4
Reference numeral 1 denotes an L-shaped support frame corresponding to the support frame 33 provided on the rotary plate 31 in FIG. , four slidable columns 43 and a spring 44 wound around the columns 43 are provided on the fixed plate 42, and are spaced at regular intervals.
In addition, a bottom tapping plate 45 is provided so as to be movable up and down and to be able to move toward and away from the support frame. Further, a detection timing limit switch (not shown) is set on the support frame 41 so that the bottom tapping plate 45 moves up and down twice and then stops. An air spring 46 is disposed in the center between the fixing plate 42 and the bottom striking plate 45 of the support frame, and a pressure switch 47 is connected to the air spring 46.
次に、上記実施例の作用について説明する。ロ
ータリ方式の充填部Ｂを経由し、被包装物が詰め
られた袋１３が底たたき板４５上に位置される
と、支持枠４１と共に底たたき板４５が２回上下
動して停止する。このとき、第６図に示すよう
に、底たたき板４５は、袋１３と被包装物の重量
でl2だけ移動し、固定板４２と底たたき板４５の
間隔l1はl3になる。すると、エアースプリング４
６は縮まり、エアースプリング４６の内圧が変化
する。エアースプリング４６の内圧を感知する圧
力スイツチ４７は、予めある設定値、つまり袋１
３と所望量の被包装物の重量で作動するようにセ
ツトしておくと、設定値以下であれば、圧力スイ
ツチ４７が作動し、自動包装機がその作動を全停
止する。そして、袋口が閉じられていない状態の
袋を機械から取り外して補充充填を行なう。 Next, the operation of the above embodiment will be explained. When the bag 13 filled with items to be packaged is placed on the bottom tapping plate 45 via the rotary type filling section B, the bottom tapping plate 45 moves up and down twice together with the support frame 41 and then stops. At this time, as shown in FIG. 6, the bottom beating plate 45 moves by l 2 due to the weight of the bag 13 and the object to be packaged, and the distance l 1 between the fixed plate 42 and the bottom beating plate 45 becomes l 3 . Then, air spring 4
6 contracts, and the internal pressure of the air spring 46 changes. The pressure switch 47 that senses the internal pressure of the air spring 46 has a preset value, that is, the pressure of the bag 1.
If the pressure switch 47 is set to operate at a desired amount of the weight of the packaged object, the pressure switch 47 will be activated and the automatic packaging machine will completely stop its operation if the weight is less than the set value. Then, the bag with the bag opening not closed is removed from the machine and refilling is performed.
なお、この実施例では、支柱４３の周囲にスプ
リング４４を設けたが底たたき板４５が固定板４
２に対して上下移動可能であれば、スプリング４
４は設けなくても良い。 In this embodiment, a spring 44 is provided around the support column 43, but the bottom tapping plate 45 is attached to the fixed plate 4.
If it is possible to move up and down relative to 2, spring 4
4 may not be provided.
考案の効果
このように、本考案は、固定板とこの固定板に
対して近接離間自在に設けた底たたき板との間に
エアースプリングを設け、エアースプリングに圧
力スイツチを接続しただけなので、計量装置が振
動装置内部に組込まれ、実公昭51−22040号公報
記載のものに比較して、構成部材が少なく、側方
に大きな場所をとることがないため、被包装物の
供給から袋の縫合まで一貫して行う自動包装機に
組み込むことができ、充填された被包装物の重量
不足を次工程の縫合部に運ばれる前の底たたき部
において検査することができ、ただちに重量不足
の原因を調べ、重量不足の再発を未然に防ぐとと
もに、被包装物の補充充填を容易にすることがで
きる。そして、自動包装機を経過して袋口を閉じ
た後に、重量不足を検出していた従来の作業と比
べ、再び袋の口を開けて補充充填を行うことがな
くなり、作業能率が一段と向上する。また、エア
ースプリングは１個で計量不足を検出すると共に
底たたき時の振動を緩和することができ、別に振
動を緩和する部材を要することがなくなり、エア
ースプリングを調整するだけで包装袋の重量及び
振動緩和への対応が同時に可能となる。Effects of the invention As described above, the present invention simply provides an air spring between the fixed plate and the bottom tapping plate that can be moved close to and separated from the fixed plate, and connects the pressure switch to the air spring. The device is built into the vibrating device, and compared to the device described in Utility Model Publication No. 51-22040, there are fewer components and it does not take up much space on the side, so it is easy to handle everything from supplying the packaged items to sewing the bag. It can be incorporated into an automatic packaging machine that processes all the way up to the end of the process, and it is possible to check for a lack of weight in the filled packaged items at the bottom tapping section before being transported to the sewing section of the next process, and immediately identify the cause of the lack of weight. This makes it possible to prevent the reoccurrence of weight shortages and facilitate the refilling of packaged items. In addition, compared to the conventional process where insufficient weight is detected after the bag has passed through the automatic packaging machine and the bag has been closed, there is no need to open the bag again to refill the bag, further improving work efficiency. . In addition, a single air spring can detect insufficient weighing and alleviate vibrations when tapping on the bottom, eliminating the need for a separate vibration-reducing member and reducing the weight of the packaging bag by simply adjusting the air spring. At the same time, it is possible to deal with vibration mitigation.
第１図は、従来の自動包装機の正面図、第２図
は第１図の平面図、第３図は、第１図の充填部を
示す縦断面図、第４図は、第１図の包装袋供給部
を示す側断面図、第５図は、第１図の底たたき部
を示す断面図、第６図は、本考案の実施例の要部
を示す縦断面図、第７図は、第６図Ｆ−Ｆにおけ
る横断面図である。
Ａ……被包装物供給部、Ｂ……充填部、Ｃ……
包装袋供給部、Ｄ……底たたき部、Ｅ……縫合
部、１……計量機、２……固定ホツパ、３……支
持フレーム、４……可動ホツパ、５……縦軸、８
……挿入管、１３……袋、２０……取出吸盤、３
１……回動盤、３２……底たたき板、３３……支
持枠、３４……平行リンク、３５……シリンダ、
３６……ミシン、４１……支持枠、４２……固定
板、４３……支柱、４４……スプリング、４５…
…底たたき板、４６……エアースプリング、４７
……圧力スイツチ。
Fig. 1 is a front view of a conventional automatic packaging machine, Fig. 2 is a plan view of Fig. 1, Fig. 3 is a longitudinal sectional view showing the filling section of Fig. 5 is a sectional view showing the bottom tapping part of FIG. 1, FIG. 6 is a vertical sectional view showing the main parts of the embodiment of the present invention, and FIG. is a cross-sectional view taken along line FF in FIG. 6; A...Packaged material supply section, B...Filling section, C...
Packaging bag supply section, D... Bottom tapping section, E... Sewing section, 1... Weighing machine, 2... Fixed hopper, 3... Support frame, 4... Movable hopper, 5... Vertical axis, 8
... Insertion tube, 13 ... Bag, 20 ... Removal suction cup, 3
1... Turning plate, 32... Bottom beating plate, 33... Support frame, 34... Parallel link, 35... Cylinder,
36... Sewing machine, 41... Support frame, 42... Fixed plate, 43... Support column, 44... Spring, 45...
...Bottom plate, 46...Air spring, 47
...Pressure switch.
Claims (1)
た自動包装機において、前記支持枠に設けた固定
板に近接離間自在に底たたき板を設け、前記固定
板と前記底たたき板との間にエアースプリングを
配設し、該エアースプリングにその内圧を感知す
る圧力スイツチを接続したことを特徴とする自動
包装機における計量不足検出装置。 In an automatic packaging machine in which a supporting frame is provided to be movable up and down and used as a bottom tapping part, a bottom tapping plate is provided on a fixed plate provided on the support frame so as to be able to approach and move away from the fixed plate, and between the fixed plate and the bottom tapping plate. 1. An under-weighing detection device for an automatic packaging machine, characterized in that an air spring is provided, and a pressure switch for sensing the internal pressure of the air spring is connected to the air spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2483782U JPS58130901U (en) | 1982-02-25 | 1982-02-25 | Under-weighing detection device for automatic packaging machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2483782U JPS58130901U (en) | 1982-02-25 | 1982-02-25 | Under-weighing detection device for automatic packaging machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58130901U JPS58130901U (en) | 1983-09-03 |
| JPS6215122Y2 true JPS6215122Y2 (en) | 1987-04-17 |
Family
ID=30036819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2483782U Granted JPS58130901U (en) | 1982-02-25 | 1982-02-25 | Under-weighing detection device for automatic packaging machines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58130901U (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5315670Y2 (en) * | 1972-09-20 | 1978-04-25 |
-
1982
- 1982-02-25 JP JP2483782U patent/JPS58130901U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58130901U (en) | 1983-09-03 |
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