JPH02282024A - Powdery/granular material feeding device - Google Patents
Powdery/granular material feeding deviceInfo
- Publication number
- JPH02282024A JPH02282024A JP9965889A JP9965889A JPH02282024A JP H02282024 A JPH02282024 A JP H02282024A JP 9965889 A JP9965889 A JP 9965889A JP 9965889 A JP9965889 A JP 9965889A JP H02282024 A JPH02282024 A JP H02282024A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- feeding
- screw conveyor
- granular material
- powdery
- 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.)
- Granted
Links
- 239000008187 granular material Substances 0.000 title claims abstract description 101
- 239000000843 powder Substances 0.000 claims description 124
- 239000000463 material Substances 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 6
- 230000032258 transport Effects 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 abstract description 28
- 238000000034 method Methods 0.000 abstract description 14
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Screw Conveyors (AREA)
- Air Transport Of Granular Materials (AREA)
- Supply Of Fluid Materials To The Packaging Location (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、例えば小麦粉等の各種粉粒体を包装袋に充
填するための粉粒体充填装置において、粉粒体送給装置
によって供給された粉粒体を送給し、包装袋の充填口を
通して粉粒体を充填する充填管へ送り出す、スクリュー
コンベア式の粉粒体送給装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a powder filling device for filling packaging bags with various powder or granules such as wheat flour, which is supplied by a powder or granule feeding device. The present invention relates to a screw conveyor-type powder and granule material feeding device that feeds powder and granule material through a filling port of a packaging bag to a filling tube into which the powder and granule material is filled.
この種の粉粒体送給装置としては、例えば特公昭６１−
２７２４１号公報に開示されているような構成のものが
知られている。その粉粒体送給装置は、第３図に示すよ
うに５回転軸２の軸心部にその軸線方向に沿って圧縮空
気の供給路３が形成され、水平方向に配設されたスクリ
ューコンベア１を駆動モータ（図示せず）により回転駆
動させ、そのスクリューコンベア１により、前段に配設
された粉粒体供給装置によって矢印に示すようにスクリ
ューコンベア１の後端付近に供給されてくる粉粒体を、
包装袋の弁口に先端部が挿入された粉粒体充填管５に可
撓管継手６を介して連通した送給口４の方へ圧送すると
ともに、送給口４の近辺まで圧送された粉粒体を、スク
リューコンベア１の軸心部の供給路３を通して圧縮空気
源から供給され送給口４に対向するスクリューコンベア
先端部の噴出ノズル７から噴出する圧縮空気により、送
給口４から充填管５の方へ送り出すようにした構成を有
している。また、第３図に示すように、送給口４の近傍
に、環状部材に噴出ノズルを形成しその噴出ノズルから
圧縮空気を送給口４の方へ斜め方向に噴出するエアー噴
出リング８を、スクリューコンベア１の回転軸２と同心
的にかつその半径方向に間隔を設けて配設し、そのエア
ー噴出リング８の噴出ノズルからも圧縮空気を噴出させ
ることにより、粉粒体をより良好な流動状態で送給口４
から充填管５の方へ送り出すようにした構成の装置も知
られている。As this type of powder feeding device, for example,
A configuration as disclosed in Japanese Patent No. 27241 is known. As shown in FIG. 3, this powder and granular material feeding device includes a compressed air supply path 3 formed in the axial center of a five-rotation shaft 2 along its axial direction, and a screw conveyor arranged horizontally. 1 is rotated by a drive motor (not shown), and the screw conveyor 1 supplies powder near the rear end of the screw conveyor 1 as shown by the arrow by the powder supply device disposed in the previous stage. The granules,
The powder was fed under pressure toward the feed port 4 that communicated with the powder filling tube 5 whose tip was inserted into the valve opening of the packaging bag via a flexible pipe joint 6, and was also force fed to the vicinity of the feed port 4. The powder and granular material is supplied from a compressed air source through the supply path 3 in the shaft center of the screw conveyor 1 and is ejected from the jet nozzle 7 at the tip of the screw conveyor opposite to the feed port 4 to blow the powder and granules from the feed port 4. It has a configuration in which it is sent out toward the filling tube 5. Further, as shown in FIG. 3, an air jet ring 8 is provided near the supply port 4, which has a jet nozzle formed in an annular member and jets compressed air diagonally toward the supply port 4 from the jet nozzle. , is arranged concentrically with the rotating shaft 2 of the screw conveyor 1 and spaced apart from it in the radial direction, and compressed air is also ejected from the ejection nozzle of the air ejection ring 8, thereby improving powder and granular materials. Feed port 4 in flowing state
There is also known a device configured to send the liquid from the filling tube 5 to the filling tube 5.
ところが、例えば炭酸カルシウム粉末のように空気を含
み易い性質を持った物質は、圧縮空気の噴出流によって
それを流動させ包装袋内に圧縮空気と一緒に流入させる
と、粉末の見掛密度が低下し、嵩が増大してしまうため
、炭酸カルシウム粉末のような物質については、第３図
に示したように圧縮空気を使用した送給方式を採用する
ことができない。また、通気性が無い合成樹脂シートを
内装した包装袋や内面がラミネート加工された包装袋に
ついては、充填管を通して粉粒体と一緒に包装袋内に流
入した圧縮空気が袋面を通して袋外へ抜は出ないため、
圧縮空気を使用した送給方式によっては、粉粒体を包装
袋内へ充填することができない。However, when a substance that tends to contain air, such as calcium carbonate powder, is fluidized by a jet of compressed air and flows into a packaging bag together with the compressed air, the apparent density of the powder decreases. However, since the bulk increases, the feeding method using compressed air as shown in FIG. 3 cannot be used for substances such as calcium carbonate powder. In addition, for packaging bags that are lined with a non-breathable synthetic resin sheet or whose inner surface is laminated, the compressed air that flows into the packaging bag along with the powder through the filling tube flows out of the bag through the bag surface. Because there is no withdrawal,
Depending on the feeding method using compressed air, it is not possible to fill the powder or granular material into the packaging bag.
このように、圧縮空気を用いた送給方式では、包装袋内
へ粉粒体を充填することが困難である場合には、第４図
に示したような装置が使用される。すなわち、粉粒体送
給用スクリューコンベア１′の回転軸２′及び送給口金
９のそれぞれの先端を充填管５′の先端近くまで延長し
。As described above, when it is difficult to fill a packaging bag with powder or granules using a feeding method using compressed air, a device as shown in FIG. 4 is used. That is, the respective tips of the rotary shaft 2' and the feeding spout 9 of the screw conveyor 1' for powder and granular material feeding are extended to near the tip of the filling tube 5'.
かつスクリューコンベア１′のスクリュー羽根の径を、
その延長された先端部において次第に小さくするととも
に、送給口金９の先端部も細く絞った構成の装置を用い
、圧縮空気を使用せずにスクリューコンベア１′だけで
粉粒体を充填管５′の先端近くまで圧送し押し出すよう
にして、充填管５′から包装袋内へ粉粒体を充填するよ
うにしている。And the diameter of the screw blade of screw conveyor 1' is
By using a device in which the extended tip is gradually made smaller and the tip of the feeding nozzle 9 is also narrowed, powder and granules are filled into the tube 5' using only the screw conveyor 1' without using compressed air. The powder and granular material is filled into the packaging bag from the filling tube 5' by force-feeding and extruding it to near the tip of the container.
しかしながら、第４図に示したような装置を用いて粉粒
体を送給し、充填管５′を通して包装袋内へ粉粒体を充
填する方式では、第３図に示したような装置により圧縮
空気の噴出流を利用して粉粒体を一気に送給する方式に
比べると、粉粒体の充填速度が遅いといった欠点がある
。However, in the method of feeding the powder or granule using the device shown in FIG. 4 and filling it into the packaging bag through the filling tube 5', the device shown in FIG. Compared to a method that uses a jet stream of compressed air to feed powder and granules all at once, this method has the disadvantage that the filling speed of powder and granules is slow.
また、包装袋内に充填された粉粒体の充填重量を計測す
るために、第３図に示した装置では、可撓管継手６を介
して粉粒体送給装置の送給口４の口金と充填管５とを接
続することにより充填管５側の計量部と粉粒体送給装置
とを機構的に分離しているのに対して、第４図に示した
装置では、充填管５′の先端近くまで送給口金９の先端
部が内挿されていることから、充填管５′の径を大きく
して充填管５′と送給口金９とを機構的に分離する必要
がある。このため、圧縮空気を使用する送給方式に比べ
て、第４図に示した装置では充填管５′が太くなる。従
って、それに伴い包装袋の弁口も相当大きくしなければ
ならず、包装袋の弁口部が幅広になるため、一連の袋詰
め作業において自動給袋機や口封機を使用することが難
しいといった問題点がある。In addition, in order to measure the filling weight of the powder and granular material filled in the packaging bag, in the device shown in FIG. By connecting the nozzle and the filling tube 5, the measuring section on the side of the filling tube 5 and the powder feeding device are mechanically separated, whereas in the device shown in FIG. Since the tip of the feed nozzle 9 is inserted close to the tip of the fill tube 5', it is necessary to mechanically separate the fill tube 5' and the feed nozzle 9 by increasing the diameter of the filling tube 5'. be. For this reason, the filling tube 5' is thicker in the apparatus shown in FIG. 4 than in a feeding system using compressed air. Therefore, the valve opening of the packaging bag must also be made considerably larger, making it difficult to use an automatic bag feeding machine or sealing machine in a series of bag filling operations. There are some problems.
この発明は、圧縮空気の噴出流を利用した粉粒体充填方
式における場合と同様の細い充填管を使用することがで
き、圧縮空気を使用しないか或いはその使用量を極力抑
えながら、充填管及び送給口金部での粉粒体の閉塞を起
こすことなく、圧縮空気を使用した粉粒体送給装置と同
等の充填速度により粉粒体を包装袋内へ充填することを
可能とし、しかも自動給袋機や口封機の併用も可能とす
るような粉粒体送給装置を提供することを技術的課題と
する。This invention enables the use of a narrow filling tube similar to that used in the powder filling method using a jet stream of compressed air, and eliminates the use of compressed air or minimizes the amount of compressed air used. It is possible to fill powder and granule into packaging bags at the same filling speed as a powder and granule feeding device that uses compressed air, without causing blockage of powder and granule at the feeding nozzle, and moreover, automatically. A technical problem is to provide a powder feeding device that can be used in combination with a bag feeding machine and a sealing machine.
この発明は、上記課題を達成するための手段として、粉
粒体送給装置を以下のように構成した。すなわち、この
粉粒体送給装置は、粉粒体送給用スクリューコンベアの
回転軸の軸心部にその軸線方向に沿って貫通中空部を形
成し、その貫通中空部に内挿軸を挿通してその内挿軸を
回転自在に保持し、かつその内挿軸の先端部を前記スク
リューコンベアの回転軸の先端面から突出させて前記送
給口の付近まで延設し、その先端部の外周面にスクリュ
ー羽根を固着することにより、粉粒体送り出し用スクリ
ューコンベアを形成するとともに、前記内挿軸を前記粉
粒体送給用スクリューコンベアの回転軸よりも高速で回
転駆動させる粉粒体送り出し用暉動機構を設けて構成さ
れている。In this invention, as a means for achieving the above object, a powder feeding device is configured as follows. That is, in this powder and granular material feeding device, a through-hole is formed along the axial direction in the axial center of the rotating shaft of a screw conveyor for powder and granular material feeding, and an inner shaft is inserted into the through-hole. The inner shaft is rotatably held, and the tip of the inner shaft protrudes from the tip surface of the rotating shaft of the screw conveyor and extends to the vicinity of the feed port. By fixing screw blades to the outer peripheral surface, a screw conveyor for sending out powder and granular material is formed, and the inner shaft is driven to rotate at a higher speed than the rotating shaft of the screw conveyor for feeding powder and granular material. It is configured with a feeding mechanism.
上記粉粒体送給用スクリューコンベアの回転軸の先端部
には、その回転軸の貫通中空部に粉粒体が侵入するのを
防止するためのダストシール部材を配設するとよい。ま
た、上記粉粒体送り出し用スクリューコンベアの回転数
を粉粒体送給用スクリューコンベアの回転数の３〜５倍
に設定するとよい。A dust seal member may be disposed at the tip of the rotating shaft of the powder feeding screw conveyor to prevent powder from entering the hollow space through which the rotating shaft passes. Further, it is preferable that the number of revolutions of the screw conveyor for sending out the powder or granular material is set to 3 to 5 times the number of revolutions of the screw conveyor for feeding the powder or granular material.
上記構成の粉粒体送給装置においては、粉粒体送給用ス
クリューコンベアによって送給口の近くまで圧送されて
きた粉粒体は、そのスクリューコンベアの回転軸の貫通
中空部に挿通された内挿軸を介し開動機構によって回転
駆動される粉粒体送り出し用スクリューコンベアにより
。In the powder and granular material feeding device having the above configuration, the powder and granular material that has been force-fed to the vicinity of the feeding port by the powder and granular material feeding screw conveyor is inserted into the through-hole of the rotating shaft of the screw conveyor. By means of a screw conveyor for sending out powder and granules that is rotationally driven by an opening mechanism via an inserted shaft.
送給口から充填管の方へ送り出される。この場合、粉粒
体送り出し用スクリューコンベアは粉粒体送給用スクリ
ューコンベアよりも１例えば３〜５倍の回転速度で高速
回転しているので、粉粒体送り出し泪スクリューコンベ
アによって粉粒体は加速されて排出される。従って、こ
の粉粒体送給装置を使用して充填管の方へ粉粒体を送り
出すときは、充填管の内径が圧縮空気の噴出流を利用し
た粉粒体充填方式における場合と同様の小さいものであ
っても、圧縮空気を使用せずに或いは僅かに使用するだ
けで、充填管及び送給口金部での粉粒体の閉塞を起こす
ことなく、圧縮空気を使用した粉粒体送給装置と同等の
充填速度により、粉粒体を包装袋内へ充填させることが
できる。It is sent out from the feed port towards the filling tube. In this case, the screw conveyor for sending out powder and granules rotates at a high speed, for example, 3 to 5 times faster than the screw conveyor for feeding powder and granules. It is accelerated and ejected. Therefore, when using this powder feeding device to send powder toward the filling tube, the inner diameter of the filling tube must be as small as in the powder filling method that uses a jet of compressed air. Powder and granule materials can be fed using compressed air without using compressed air, or with only a small amount of compressed air, without causing clogging of the powder or granule material in the filling pipe and feeding nozzle. Powder can be filled into packaging bags at the same filling speed as the device.
そして、粉粒体送給用スクリューコンベアの回転軸の先
端部にダストシール部材を配設しておくことにより、そ
の回転軸の貫通中空部に粉粒体が侵入することが防止さ
れる。By disposing a dust seal member at the tip of the rotating shaft of the screw conveyor for feeding powder and granular material, it is possible to prevent powder and granular material from entering the hollow portion through which the rotating shaft passes.
以下、この発明の好適な実施例について図面を参照しな
がら説明する。Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
第１図及び第２図はこの発明の１実施例を示し、第１図
は、この粉粒体送給装置の要部を示す模式断面図であり
、第２図は、この粉粒体送給装置を備えた粉粒体充填装
置全体の概略構成を模式的に示す図である。1 and 2 show one embodiment of the present invention, FIG. 1 is a schematic sectional view showing the main part of this powder and granule feeding device, and FIG. FIG. 1 is a diagram schematically showing the overall configuration of a powder filling device including a feeding device.
最初に、この粉粒体送給装置の前段に接続配設され、粉
粒体送給用スクリューコンベアｌＯ（以下、「送給用ス
クリューコンベアＩＯＪという）の後端付近に粉粒体を
供給する粉粒体供給手段について簡単に説明する。粉粒
体供給手段は、第２図に示すように、この実施例では、
粉粒体供給用スクリューコンベア１２（以下、「供給用
スクリューコンベア１２」 という）と、撹拌機１４と
、それら供給用スクリューコンベア１２及び撹拌機１４
をそれぞれ回転駆動させる粉粒体供給・撹拌用駆動モー
タ１６ （以下、「供給用モータ１６」という）とから
構成されており、ホッパーから投入された粉粒体を撹拌
機１４によって撹拌しながら供給用スクリューコンベア
１２の後端部分に落下させ、その粉粒体を供給用スクリ
ューコンベア１２によって水平方向へ移送し、その先端
部分で送給用スクリューコンベアｌＯの後端付近に粉粒
体を落下させて連続的に供給するようになっている。First, the powder and granule are supplied to the vicinity of the rear end of the powder and granule feeding screw conveyor IO (hereinafter referred to as "feeding screw conveyor IOJ"), which is connected and arranged at the front stage of this powder and granule material feeding device. The powder supply means will be briefly explained.As shown in FIG.
A powder supply screw conveyor 12 (hereinafter referred to as "supply screw conveyor 12"), an agitator 14, and the supply screw conveyor 12 and agitator 14.
The drive motor 16 (hereinafter referred to as the "feeding motor 16") rotates the powder and granules fed from the hopper while being stirred by the agitator 14. The powder and granules are transported horizontally by the supply screw conveyor 12, and the powder and granules are dropped near the rear end of the supply screw conveyor 10 at the leading end of the supply screw conveyor 12. It is designed to be continuously supplied.
送給用スクリューコンベアＩＯは、その回転軸１８の一
端部にプーリ２０が固着されており、そのプーリ２０は
、ベルト２２、プーリ２４及びクラッチ２６を介し、さ
らにプーリ２８、ベルト３０及びプーリ３２を介して粉
粒体送給用主駆動モータ３４（以下、「主モータ３４」
という）の回転軸に機構的に連結されているとともに、
プーリ３６、ベルト３８及びプーリ４０を介して粉粒体
送給用の減速機付き駆動モータ４２（以下、「低速モー
タ４２」という）の回転軸に機構的に連結されている。The feeding screw conveyor IO has a pulley 20 fixed to one end of its rotating shaft 18, and the pulley 20 is connected to a pulley 28, a belt 30, and a pulley 32 via a belt 22, a pulley 24, and a clutch 26. A main drive motor 34 (hereinafter referred to as "main motor 34") for feeding powder and granular material
It is mechanically connected to the rotating shaft of the
It is mechanically connected via the pulley 36, belt 38, and pulley 40 to a rotating shaft of a drive motor 42 with a reducer (hereinafter referred to as "low speed motor 42") for feeding powder and granular material.
４４は、送給用スクリューコンベアｌＯの回転軸１８の
軸受である。44 is a bearing of the rotating shaft 18 of the feeding screw conveyor IO.
そして、この送給用スクリューコンベア１０の回転軸１
８には、第１図に示すように、その軸心部に、その軸線
方向に沿って貫通中空部４６が形成されており、その貫
通中空部４６に内挿軸４８が挿通されている。この内挿
軸４８は、送給用スクリューコンベア１０の回転軸１８
に対し同心に、軸受５０を介して回転自在に保持されて
いる。内挿軸４８の一端部にはプーリ５２が固着されて
おり。The rotating shaft 1 of this feeding screw conveyor 10
8, as shown in FIG. 1, a through hollow portion 46 is formed at its axial center along the axial direction, and an insertion shaft 48 is inserted through the through hollow portion 46. This interpolation shaft 48 corresponds to the rotation shaft 18 of the feeding screw conveyor 10.
It is rotatably held via a bearing 50 concentrically with respect to the main body. A pulley 52 is fixed to one end of the insertion shaft 48.
内挿軸４８は、プーリ５２、ベルト５４及びプーリ５６
を介して粉粒体送り出し用駆動モータ５８（以下、「送
り出し用モータ５８」という）により、送給用スクリュ
ーコンベア１０の回転軸１８よりも高速で、例えば送給
用スクリューコンベア１０の回転軸１８の回転数の３〜
５倍の回転数で回転駆動されるようになっている。The inner shaft 48 is connected to a pulley 52, a belt 54, and a pulley 56.
A drive motor 58 (hereinafter referred to as "feeding motor 58") for sending out powder and granular material is operated at a higher speed than the rotating shaft 18 of the feeding screw conveyor 10, for example, The rotation speed of 3~
It is designed to rotate at five times the rotation speed.
一方、内挿軸４８の先端部は、送給用スクリューコンベ
ア１０の回転軸１８の先端面から突出して、その先端軸
部６０が送給口６２の付近まで延設されている。そして
、その先端軸部６０の外周面にスクリュー羽根が固着さ
れて、粉粒体送り出し用スクリューコンベア６４（以下
、「送り出し用スクリューコンベア６４」という）が形
成されている。また、送給用スクリューコンベアＩＯの
回転軸１８の先端付近には、回転軸１８の貫通中空部４
６に粉粒体が侵入するのを防止するためのダストシール
部材６６が配設されている。尚、６８は、環状部材に噴
出ノズルを形成してその噴出ノズルから圧縮空気を送給
口６２の方へ斜め方向に噴出するエアー噴出リングであ
る。On the other hand, the distal end of the insertion shaft 48 protrudes from the distal end surface of the rotating shaft 18 of the feeding screw conveyor 10, and its distal end shaft portion 60 extends to the vicinity of the feeding port 62. A screw blade is fixed to the outer peripheral surface of the tip shaft portion 60 to form a powder delivery screw conveyor 64 (hereinafter referred to as "delivery screw conveyor 64"). Further, near the tip of the rotating shaft 18 of the feeding screw conveyor IO, a through-hole hollow portion 4 of the rotating shaft 18 is provided.
A dust seal member 66 is disposed to prevent powder and granular materials from entering the dust seal member 6 . Reference numeral 68 denotes an air ejection ring that has an annular member formed with an ejection nozzle and ejects compressed air obliquely toward the supply port 62 from the ejection nozzle.
この粉粒体送給装置は以上のように構成されており、そ
の送給口６２の口金７０には、第３図に示したような、
圧縮空気の噴出流を利用した粉粒体送給装置と同様、可
撓管継手７２を介して小径の充填管７４が連通接続され
ている。そして。This powder and granular material feeding device is constructed as described above, and the mouthpiece 70 of the feeding port 62 is equipped with a device as shown in FIG.
A small-diameter filling pipe 74 is connected via a flexible pipe joint 72 in the same manner as the powder feeding device that utilizes a jet stream of compressed air. and.
充填管７４が包装袋７６の弁口に挿入されており。A filling tube 74 is inserted into a valve opening of a packaging bag 76.
包装袋７６は袋受は台７８上に支持されている。また、
袋受は台７８は、本体フレーム８０に板ばね８２を介し
て取り付けられた計量フレーム８４に連結しており、本
体フレーム８０に設けられたロードセル８６により、袋
受は台７８上に支持された包装袋７６内への粉粒体の充
填重量が時々刻々に自動的に計量されるように構成され
ている。The packaging bag 76 is supported on a stand 78. Also,
The bag holder stand 78 is connected to a weighing frame 84 attached to the main body frame 80 via a leaf spring 82, and the bag holder is supported on the stand 78 by a load cell 86 provided on the main body frame 80. The packaging bag 76 is configured to automatically measure the weight of the powder and granular material filled into the packaging bag 76 from time to time.
次に１以上の構成の粉粒体充填装置における動作につい
て説明する。Next, the operation of the powder filling device having one or more configurations will be explained.
操作盤（図示せず）の運転ボタンを押すと。When you press the operation button on the control panel (not shown).
主モータ３４、供給用モータ１６及び送り出し用モータ
５８がそれぞれ回転させられる。この時点では、クラッ
チ２６は主モータ３４の回転軸に機械的に連結されてお
り、主モータ３４によってプーリ２０等を介し送給用ス
クリューコンベア１０が回転駆動される。また、供給用
モータ１６によって供給用スクリューコンベア１２及び
撹拌機１４が回転駆動され、送り出し用モータ５８によ
って送り出し用スクリューコンベア６４が回転駆動され
る。The main motor 34, the supply motor 16, and the delivery motor 58 are each rotated. At this point, the clutch 26 is mechanically connected to the rotating shaft of the main motor 34, and the feeding screw conveyor 10 is rotationally driven by the main motor 34 via the pulley 20 and the like. Further, the supply motor 16 rotationally drives the supply screw conveyor 12 and the agitator 14, and the delivery motor 58 rotationally drives the delivery screw conveyor 64.
そして、ホッパ一部に投入されている粉粒体は、撹拌機
１４によって撹拌されながら供給用スクリューコンベア
１２の後端部分に落下し、供給用スクリューコンベア１
２によって水平方向へ移送され、その先端部分で送給用
スクリューコンベア１０の後端付近に供給される。送給
用スクリューコンベアＩＯの後端付近に供給された粉粒
体は、送給用スクリューコンベア１０により送給口６２
の方へ向かって水平方向に圧送され、送給用スクリュー
コンベア１０の前端部分まで圧送されてきた粉粒体は、
送り出し用スクリューコンベア６４により、送給口６２
まで圧送され、送給口６２から充填管７４の方へ送り出
される。この場合、送り出し用スクリューコンベア６４
は、送給用スクリューコンベア１０に比べて、例えば３
〜５倍程度の回転速度で高速回転させられており、粉粒
体は送り出し用スクリューコンベア６４により加速され
て送給口６２から排出され、その粉粒体が充填管７４を
通して大きな充填速度で包装袋７６内へ充填される。Then, the powder and granules that have been put into a part of the hopper fall onto the rear end portion of the supply screw conveyor 12 while being stirred by the agitator 14, and are
2 in the horizontal direction, and the tip thereof is supplied near the rear end of the feeding screw conveyor 10. The powder and granular material supplied near the rear end of the feeding screw conveyor IO is transferred to the feeding port 62 by the feeding screw conveyor 10.
The powder and granular material that has been force-fed in the horizontal direction toward the front end of the feeding screw conveyor 10 is
The feeding port 62 is connected by the feeding screw conveyor 64.
The liquid is pumped up to the point where it is sent out from the feed port 62 toward the filling pipe 74. In this case, the sending screw conveyor 64
is, for example, 3 compared to the feeding screw conveyor 10.
The powder and granules are rotated at a high speed of approximately 5 times the rotation speed, and the powder and granules are accelerated by the delivery screw conveyor 64 and discharged from the feed port 62, and the powder and granules are passed through the filling pipe 74 and packaged at a high filling speed. The bag 76 is filled.
このとき、包装袋７６内への粉粒体の充填重量はロード
セル８６によって連続的に計量されており、その計量値
が一段目設定値、例えば目標充填重量の９０〜９５％に
達するまで、この高速充填が続けられる。そして、計量
値が一段目設定値に達すると、計量コントローラ（図示
せず）によって自動的に主モータ３４及び供給用モータ
１６の運転がそれぞれ停止し１代わって低速モータ４２
が起動されるとともに、クラッチ２６が主モータ３４か
ら低速モータ４２の方に切り替わる。これによって、送
給用スクリューコンベア１０が減速され、低速充填に入
る。この時点においても、送り出し用スクリューコンベ
ア６４は依然として高速回転し続けており、充填管７４
の途中や送給口６２の付近などにおいて粉粒体の閉塞を
起こしたりすることなく、粉粒体は包装袋内へ排出され
る。そして、計量値が目標充填重量に達すると、自動的
に低速モータ４２及び送り出し用モータ５８の運転も停
止し、充填が完了する。At this time, the weight of the powder and granular material filled into the packaging bag 76 is continuously measured by the load cell 86, and this is continued until the measured value reaches the first stage setting value, for example, 90 to 95% of the target filling weight. High-speed filling continues. When the measured value reaches the first stage setting value, the main motor 34 and the supply motor 16 are automatically stopped by the measuring controller (not shown), and the low-speed motor 42
is activated, and the clutch 26 is switched from the main motor 34 to the low speed motor 42. As a result, the feeding screw conveyor 10 is decelerated and enters low-speed filling. At this point, the delivery screw conveyor 64 is still rotating at high speed, and the filling pipe 74 is still rotating at high speed.
The powder or granules are discharged into the packaging bag without clogging the powder or granules in the middle of the process or in the vicinity of the feed port 62. Then, when the measured value reaches the target filling weight, the operation of the low-speed motor 42 and the delivery motor 58 is automatically stopped, and filling is completed.
尚、粉粒体の流動状態をより良好にして送給口６２付近
などでの粉粒体の閉塞を完全に無くすために、高速充填
並びに低速充填の両段階を通じて、必要に応じ、エアー
噴出リング６８の噴出ノズルから送給口６２に向かって
少量の圧縮空気を噴出させるようにしてもよい。In addition, in order to improve the fluidity of the powder and completely eliminate clogging of the powder near the feed port 62, an air jet ring is installed as necessary throughout both the high-speed and low-speed filling stages. A small amount of compressed air may be ejected from the ejection nozzle 68 toward the supply port 62.
以上のような粉粒体充填装置を使用して、実際に小麦粉
を弁付き包装袋内に充填した結果では、充填完了間際の
低速充填時のみに少量の圧縮空気を使用するだけで、安
定して袋詰めを行なうことができた。また、炭酸カルシ
ウム粉末についても、極く少量の圧縮空気を使用するだ
けで袋詰めが可能になった。さらにまた、通気性が無い
合成樹脂シートを内装した包装袋や内面がラミネート加
工された包装袋にも、高速で粉粒体を充填することがで
きるようになった。The results of actually filling flour into a packaging bag with a valve using the powder filling device described above show that only a small amount of compressed air is used during low-speed filling near the completion of filling, and the process is stable. I was able to pack the bags into bags. It has also become possible to pack calcium carbonate powder into bags using only a small amount of compressed air. Furthermore, it has become possible to fill powder and granular materials at high speed into packaging bags that are lined with non-breathable synthetic resin sheets or whose inner surfaces are laminated.
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、粉粒体充填装置により粉粒体の包装袋内への充填を
行なう場合に、この発明に係る粉粒体送給装置を使用し
て粉粒体を送給するときは、圧縮空気を使用しないか或
いは極く少量使用するだけで、圧縮空気を使用した従来
の粉粒体送給装置と同等の大きい充填速度により粉粒体
の充填を行なうことを可能にするとともに、圧縮空気の
噴出流を利用した粉粒体充填方式における場合と同様の
細い充填管を使用することができるため、一連の袋詰め
作業において自動給袋機や口封機の併用も可能とする。Since the present invention is configured and operates as described above, when the powder or granule filling device is used to fill a packaging bag with powder or granules, the powder or granule feeding device according to the present invention can be used. When feeding powder and granules, compressed air is not used or only a small amount is used, and the powder can be filled at a high filling speed equivalent to that of conventional powder and granule feeding devices that use compressed air. In addition, it is possible to use a narrow filling tube similar to that used in the powder filling method that uses a jet of compressed air, so it is possible to use an automatic bag feeding machine or mouth for a series of bagging operations. It is also possible to use a sealing machine.
そして、この発明は、特に、炭酸カルシウム粉末のよう
に空気を含んで嵩が増大し易い性質を持った物質を包装
袋内に充填する場合や、通気性が無い合成樹脂シートを
内装した包装袋や内面がラミネート加工された包装袋内
に粉粒体を充填する場合のように、圧縮空気を使用した
送給方式を採用することができない場合にその特徴を最
大に発揮して、従来に比べて粉粒体の包装袋内への充填
作業における一連の作業能率を著しく向上させる。This invention is particularly useful when a packaging bag is filled with a substance that tends to increase in volume when it contains air, such as calcium carbonate powder, or when a packaging bag is lined with a non-breathable synthetic resin sheet. When it is not possible to use a feeding method that uses compressed air, such as when filling powder or granular materials into packaging bags with laminated inner surfaces, this feature can be maximized, making it easier to use than conventional methods. This significantly improves the efficiency of the process of filling powder and granular materials into packaging bags.
第１図及び第２図はこの発明の１実施例を示し、第１図
は、この粉粒体送給装置の要部を示す模式断面図、第２
図は、この粉粒体送給装置を備えた粉粒体充填装置全体
の概略構成を模式的に示す図であり、第３図及び第４図
はそれぞれ、従来の粉粒体送給装置の概略構成を説明す
るだめの模式図である。
ＩＯ・・・粉粒体送給用スクリューコンベア、１２・・
・粉粒体供給用スクリューコンベア。
１８・・・粉粒体送給用スクリューコンベアの回転軸３
４・・・粉粒体送給用主駆動モータ、４２・・・粉粒体
送給用減速機付き駆動モータ。
４６・・・貫通中空部、 ４８・・・内挿軸。
５８・・・粉粒体送り出し用駆動モータ、６０・・・内
挿軸の先端軸部、６２・・・送給口、６４・・・粉粒体
送り出し用スクリューコンベア、６６・・・ダストシー
ル部材。1 and 2 show one embodiment of the present invention, and FIG.
The figure is a diagram schematically showing the overall structure of a powder filling device equipped with this powder feeding device, and FIGS. 3 and 4 respectively show a conventional powder feeding device. FIG. 2 is a schematic diagram for explaining the general configuration. IO...Screw conveyor for feeding powder and granular materials, 12...
・Screw conveyor for powder supply. 18... Rotating shaft 3 of screw conveyor for feeding powder and granular materials
4... Main drive motor for feeding powder and granular material, 42... Drive motor with reducer for feeding powder and granular material. 46... Penetrating hollow part, 48... Insertion shaft. 58... Drive motor for sending out powder and granular material, 60... Tip shaft portion of insert shaft, 62... Feeding port, 64... Screw conveyor for sending out powder and granular material, 66... Dust seal member .
Claims (1)
体を送給口へ向かって水平方向に移送する粉粒体送給用
スクリューコンベアと、このスクリューコンベアの回転
軸を回転駆動させる粉粒体送給用駆動機構とを備えてな
る粉粒体送給装置において、前記スクリューコンベアの
回転軸の軸心部にその軸線方向に沿って貫通中空部を形
成し、その貫通中空部に内挿軸を挿通してその内挿軸を
回転自在に保持し、かつその内挿軸の先端部を前記スク
リューコンベアの回転軸の先端面から突出させて前記送
給口の付近まで延設し、その先端部の外周面にスクリュ
ー羽根を固着してそれを粉粒体送り出し用スクリューコ
ンベアとするとともに、前記内挿軸を前記粉粒体送給用
スクリューコンベアの回転軸よりも高速で回転駆動させ
る粉粒体送り出し用駆動機構を設けてなり、前記粉粒体
送り出し用スクリューコンベアにより粉粒体を送給口か
ら送り出すようにしたことを特徴とする粉粒体送給装置
。 ２、粉粒体送給用スクリューコンベアの回転軸の先端部
に、その回転軸の貫通中空部に粉粒体が侵入するのを防
止するためのダストシール部材を配設した請求項１記載
の粉粒体送給装置。 ３、粉粒体送り出し用スクリューコンベアの回転数を粉
粒体送給用スクリューコンベアの回転数の３〜５倍に設
定した請求項１又は請求項２記載の粉粒体送給装置。[Claims] 1. A screw conveyor for feeding powder and granules that horizontally transports the powder and granules supplied near the rear end by a powder supply means toward a feeding port, and In a powder and granular material feeding device comprising a powder and granular material feeding drive mechanism that rotationally drives a rotating shaft, a through-hole hollow portion is formed in the axial center of the rotating shaft of the screw conveyor along its axial direction. , an inner shaft is inserted into the through-hole, and the inner shaft is rotatably held, and the tip of the inner shaft is made to protrude from the front end surface of the rotating shaft of the screw conveyor, and the feeding port is opened. A screw blade is fixed to the outer circumferential surface of the tip of the screw conveyor to serve as a screw conveyor for feeding powder and granules, and the inner shaft is connected to the rotating shaft of the screw conveyor for feeding powder and granules. A powder and granule material feeding mechanism is provided with a drive mechanism for sending out powder and granular material which is rotated at a higher speed than the above, and the powder and granule material is sent out from a feeding port by the powder and granule material sending screw conveyor. Device. 2. The powder according to claim 1, wherein a dust seal member is disposed at the tip of the rotating shaft of the screw conveyor for feeding powder and granular materials to prevent powder and granular materials from entering the hollow portion through which the rotating shaft passes. Granule feeding device. 3. The granular material feeding device according to claim 1 or 2, wherein the rotational speed of the granular material feeding screw conveyor is set to 3 to 5 times the rotational speed of the granular material feeding screw conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1099658A JP2815895B2 (en) | 1989-04-18 | 1989-04-18 | Powder feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1099658A JP2815895B2 (en) | 1989-04-18 | 1989-04-18 | Powder feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02282024A true JPH02282024A (en) | 1990-11-19 |
| JP2815895B2 JP2815895B2 (en) | 1998-10-27 |
Family
ID=14253149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1099658A Expired - Lifetime JP2815895B2 (en) | 1989-04-18 | 1989-04-18 | Powder feeder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2815895B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0542102U (en) * | 1991-11-01 | 1993-06-08 | 日清製粉株式会社 | Quantitative bagging device for powder and granules |
| JPH0561001U (en) * | 1992-01-24 | 1993-08-10 | 株式会社エヌ・エス・ピー | Fixed amount discharge device |
| JPH0740924A (en) * | 1993-07-30 | 1995-02-10 | General Patsukaa Kk | Apparatus for filling object in wrapping machine |
| JP2008207911A (en) * | 2007-02-26 | 2008-09-11 | Takuma Co Ltd | Screw feeder |
| JP2010279258A (en) * | 2009-06-02 | 2010-12-16 | Rheon Automatic Machinerty Co Ltd | Bean jam-wrapping machine |
| JP2011173626A (en) * | 2010-02-25 | 2011-09-08 | Nisshin Engineering Co Ltd | Apparatus for filling minute amount of powder body |
| CN102633001A (en) * | 2012-05-02 | 2012-08-15 | 无锡市耐特机电一体化技术有限公司 | Material bagging apparatus provided with stirring mechanism |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102991735B (en) * | 2012-12-04 | 2015-05-13 | 武汉人天包装技术有限公司 | Big-bag powder packaging machine |
| KR102486842B1 (en) * | 2022-11-15 | 2023-01-09 | 선인재 | Food Transport And Supply System Having A Double Screw Supply Unit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5019180A (en) * | 1973-06-25 | 1975-02-28 | ||
| JPS61159044U (en) * | 1985-03-20 | 1986-10-02 | ||
| JPS6371014A (en) * | 1986-09-12 | 1988-03-31 | Nisshin Flour Milling Co Ltd | Granule feeding method and feeder |
-
1989
- 1989-04-18 JP JP1099658A patent/JP2815895B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5019180A (en) * | 1973-06-25 | 1975-02-28 | ||
| JPS61159044U (en) * | 1985-03-20 | 1986-10-02 | ||
| JPS6371014A (en) * | 1986-09-12 | 1988-03-31 | Nisshin Flour Milling Co Ltd | Granule feeding method and feeder |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0542102U (en) * | 1991-11-01 | 1993-06-08 | 日清製粉株式会社 | Quantitative bagging device for powder and granules |
| JPH0561001U (en) * | 1992-01-24 | 1993-08-10 | 株式会社エヌ・エス・ピー | Fixed amount discharge device |
| JPH0740924A (en) * | 1993-07-30 | 1995-02-10 | General Patsukaa Kk | Apparatus for filling object in wrapping machine |
| JP2008207911A (en) * | 2007-02-26 | 2008-09-11 | Takuma Co Ltd | Screw feeder |
| JP2010279258A (en) * | 2009-06-02 | 2010-12-16 | Rheon Automatic Machinerty Co Ltd | Bean jam-wrapping machine |
| JP2011173626A (en) * | 2010-02-25 | 2011-09-08 | Nisshin Engineering Co Ltd | Apparatus for filling minute amount of powder body |
| CN102633001A (en) * | 2012-05-02 | 2012-08-15 | 无锡市耐特机电一体化技术有限公司 | Material bagging apparatus provided with stirring mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2815895B2 (en) | 1998-10-27 |
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