JPH0640576A - Valve device in material supply device for powder and granular material - Google Patents
Valve device in material supply device for powder and granular materialInfo
- Publication number
- JPH0640576A JPH0640576A JP2847392A JP2847392A JPH0640576A JP H0640576 A JPH0640576 A JP H0640576A JP 2847392 A JP2847392 A JP 2847392A JP 2847392 A JP2847392 A JP 2847392A JP H0640576 A JPH0640576 A JP H0640576A
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- opening
- supply cylinder
- support pin
- axial direction
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば射出成形機に合
成樹脂等の粉粒体材料を供給する供給筒部をもった材料
供給装置における弁装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a valve device in a material supply device having a supply cylinder part for supplying a granular material such as synthetic resin to an injection molding machine.
【０００２】[0002]
【従来の技術】一般に粉粒体の材料供給装置は、例えば
原料ホッパーから送られる粉粒体材料を一時的に貯蔵す
る材料供給ホッパーや、材料を計量する計量ホッパーを
備え、前記材料供給ホッパーや計量ホッパーには供給筒
部を設けて、この供給筒部から材料を前記計量ホッパー
に供給したり、混合機や成形機に供給するようにしてお
り、また、前記供給筒部には弁装置を設け、この弁装置
により前記供給筒部の開口部を開閉するようにしてい
る。2. Description of the Related Art Generally, a material supplying device for a powder or granular material includes, for example, a material supplying hopper for temporarily storing a powder or granular material sent from a raw material hopper or a weighing hopper for measuring the material, and The metering hopper is provided with a supply cylinder, and the material is supplied from the supply cylinder to the metering hopper, the mixer or the molding machine, and the supply cylinder has a valve device. The valve device is provided to open and close the opening of the supply cylinder.
【０００３】そして、この弁装置としては、ボール弁や
弁板をシリンダーで往復動させるようにした構造のもの
が用いられたりまた、例えば図７に示すように、水平状
に配置した供給筒部Ａ上方に、前記供給筒部Ａの軸方向
と直交する枢支軸Ｂを一対の支持部材Ｃを介して設け、
この枢支軸Ｂに板状の弁Ｄの上端部を枢支し、前記枢支
軸Ｂを介して前記弁Ｄを前記供給筒部Ａの長さ方向に対
して揺動できるように支持し、弁Ｂの自重により前記先
端部を開放すると共に、例えば吸引等の外力により前記
弁Ｄを、矢印で示したように前記供給筒部Ａの長さ方向
に対して揺動させ、前記供給筒部Ａの開口部を閉鎖する
ようにしている。As this valve device, a structure in which a ball valve or a valve plate is reciprocally moved by a cylinder is used, or, for example, as shown in FIG. 7, a supply cylinder portion arranged horizontally is used. Above the A, a pivot shaft B orthogonal to the axial direction of the supply cylinder portion A is provided via a pair of support members C,
An upper end of a plate-like valve D is pivotally supported on the pivot shaft B, and the valve D is supported via the pivot shaft B so as to be swingable with respect to the length direction of the supply cylinder A. , The valve D is opened by its own weight, and the valve D is oscillated with respect to the lengthwise direction of the supply cylinder A as indicated by an arrow by an external force such as suction. The opening of the part A is closed.
【０００４】[0004]
【発明が解決しようとする課題】所で、以上のような弁
装置においてはボール弁を用いる場合シール性は良好に
行えるけれども、開時の充分な開口面積が得られない
し、また、構造が複雑となり、コスト高になる問題があ
ったし、また、図７に示した構造の弁装置では、前記弁
Ｄを枢支軸Ｂを介して揺動させるものであるから、シー
ル性よく前記開口部を閉鎖するためには前記枢支軸Ｂを
前記供給筒部Ａの先端部に対し正確な位置に設ける必要
が生じ、このため前記枢支軸Ｂやこの枢支軸Ｂの両端部
を支持する一対の支持部材Ｃを取付する取付作業時にお
いて高精度が要求され、それだけ製作コストが高くなる
問題があったし、また、前記枢支軸Ｂの位置に狂いがあ
るとシール性が不充分となる問題があった。In the above valve device, when a ball valve is used, good sealing performance can be obtained, but a sufficient opening area at the time of opening cannot be obtained, and the structure is complicated. However, in the valve device having the structure shown in FIG. 7, since the valve D is swung via the pivot shaft B, the opening portion has a good sealing property. In order to close the shaft, it is necessary to provide the pivot shaft B at an accurate position with respect to the tip end portion of the supply cylinder portion A. Therefore, the pivot shaft B and both end portions of the pivot shaft B are supported. There is a problem that high accuracy is required during the mounting work for mounting the pair of support members C, and the manufacturing cost is increased accordingly, and if the position of the pivot shaft B is incorrect, the sealing performance is insufficient. There was a problem.
【０００５】本発明の目的は、構造が簡単で製作コスト
が安く、かつ、閉鎖時のシール性がよく、しかも開口面
積を大きくできる粉粒体の材料供給装置における弁装置
を供給する点にある。An object of the present invention is to supply a valve device in a material supply device for powder and granules, which has a simple structure, a low manufacturing cost, a good sealing property when closed, and a large opening area. .
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するた
め、本発明では、粉粒体を供給する供給筒部をもった材
料供給装置における弁装置において、平板状の弁本体４
と、該弁本体４を前記供給筒部３の開口部に支持する支
持ピン５とから構成し、該支持ピン５を前記開口部の上
方位置に設け、前記弁本体４を前記支持ピン５に軸方向
移動可能で、かつ、前記支持ピン５の軸方向に対し傾動
可能に支持したのである。In order to achieve the above object, in the present invention, in a valve device in a material supply device having a supply cylinder part for supplying powdery particles, a flat valve body 4 is provided.
And a support pin 5 that supports the valve body 4 in the opening of the supply cylinder portion 3, the support pin 5 is provided above the opening, and the valve body 4 is attached to the support pin 5. It is supported so as to be movable in the axial direction and tiltable with respect to the axial direction of the support pin 5.
【０００７】また、供給筒部３が水平方向に配設される
と共に、前記供給筒部３が吸引装置に連通したものにお
いて、前記供給筒部３における開口部の上方位置に水平
方向に突出する支持ピン５を設け、この支持ピン５に平
板状の弁本体４が軸方向移動可能で、かつ、前記支持ピ
ン５の軸方向に対し傾動可能に支持するのが好ましい。Further, in the case where the supply cylinder portion 3 is arranged in the horizontal direction and the supply cylinder portion 3 communicates with the suction device, the supply cylinder portion 3 projects in the horizontal direction above the opening of the supply cylinder portion 3. It is preferable that a support pin 5 is provided, and the flat plate-shaped valve body 4 is supported on the support pin 5 so as to be axially movable and tiltable with respect to the axial direction of the support pin 5.
【０００８】更に、供給筒部３が垂直方向に配設されて
いるものにおいて、この供給筒部３における開口部の上
方位置に水平方向に延びる支持ピン５を突設し、この支
持ピン５に平板状の弁本体４を軸方向移動可能で、か
つ、支持ピン５の軸方向に対し傾動可能に支持する一
方、前記供給筒部３の外側部位に、前記弁本体４に向か
って進退可能で、進出時前記弁本体４を開口部に押しつ
ける押体７をもつ往復動装置を設けることが好ましい。Further, in the case where the supply cylinder portion 3 is arranged in the vertical direction, a support pin 5 extending in the horizontal direction is projectingly provided above the opening in the supply cylinder portion 3, and the support pin 5 is provided on the support pin 5. The flat plate-shaped valve body 4 is supported so as to be movable in the axial direction and tiltable with respect to the axial direction of the support pin 5, while being able to move forward and backward toward the valve body 4 at an outer portion of the supply cylinder portion 3. It is preferable to provide a reciprocating device having a pushing body 7 that pushes the valve body 4 against the opening at the time of advancing.
【０００９】[0009]
【作用】前記弁本体４が前記供給筒部３の開口部を閉鎖
するとき、前記弁本体４は前記支持ピン５の軸方向に移
動しながら、軸方向に傾動するから、即ち前記弁本体４
の前記供給筒部３の開口部に対する移動の自由度が大き
いから、前記開口部の全周面に前記弁本体４を密着させ
られるのであり、従って閉鎖時のシール性が向上するの
である。When the valve body 4 closes the opening of the supply cylinder portion 3, the valve body 4 tilts in the axial direction while moving in the axial direction of the support pin 5, that is, the valve body 4
Since the degree of freedom of movement of the supply cylinder portion 3 with respect to the opening is large, the valve body 4 can be brought into close contact with the entire peripheral surface of the opening, and therefore the sealing performance at the time of closing is improved.
【００１０】また、前記供給筒部３を介して材料を供給
するとき、前記弁本体４は前記支持ピン５の軸方向外方
に移動しながら、軸方向に傾動するから、前記供給筒部
３の開口部の開口面積を大きくできるのである。When the material is supplied through the supply cylinder part 3, the valve body 4 tilts in the axial direction while moving outward in the axial direction of the support pin 5, so that the supply cylinder part 3 is provided. The opening area of the opening can be increased.
【００１１】以上のように、前記支持ピン５に平板状の
前記弁本体４を前記供給筒部３の開口部に対する自由度
を大きくして支持することができるから、高度な製作精
度は要求されなく、簡単な構成で、かつ、製作コストを
安くできながら、閉鎖時のシール性がよくかつ、開口面
積も大きくできるのである。As described above, since the flat plate-shaped valve body 4 can be supported on the support pin 5 with a high degree of freedom with respect to the opening of the supply cylinder portion 3, a high degree of manufacturing precision is required. In addition, it has a simple structure and can be manufactured at a low cost, and has a good sealing property when closed and a large opening area.
【００１２】また、供給筒部３が水平方向に配設される
と共に、前記供給筒部３が吸引装置に連通したものにお
いて、前記供給筒部３における開口部の上方位置に水平
方向に突出する支持ピン５を設け、この支持ピン５に平
板状の弁本体４を軸方向移動可能で、かつ、前記支持ピ
ン５の軸方向に対し傾動可能に支持する場合、圧縮空気
により材料を前記供給筒部３から例えば計量ホッパーに
供給するとき、この材料の圧送により前記弁本体４を開
放させられるし、また、このとき圧縮空気の圧力及び材
料の衝突により前記弁本体４を前記供給筒部３の開口部
から離れる方向に移動させられ、この移動により前記開
口部の開口面積を大きくできるのである。また、前記吸
引装置により材料タンクから材料を材料供給ホッパーに
空気輸送するときは、前記材料供給ホッパーに連通して
いる前記供給筒部３の内部は負圧になり、この負圧によ
って前記弁本体４は前記供給筒部３の開口部側へ移動す
ると共に、該開口部側に傾動して閉鎖するのであって、
閉鎖時前記弁本体４の前記支持ピン５に対する自由度が
大きいから前記開口部の全面に前記弁本体４が密着し、
閉鎖時のシール性が向上するのである。従って、前記吸
引装置により材料タンクから材料を前記材料供給ホッパ
ーへ空気輸送するとき、空気輸送の効率を損なうことは
ないのである。Further, in the case where the supply cylinder portion 3 is arranged in the horizontal direction and the supply cylinder portion 3 communicates with the suction device, the supply cylinder portion 3 projects horizontally above the opening in the supply cylinder portion 3. When the support pin 5 is provided and the flat plate-shaped valve body 4 is supported on the support pin 5 so as to be movable in the axial direction and tiltable with respect to the axial direction of the support pin 5, the material is supplied by compressed air to the supply cylinder. When the material is fed from the portion 3 to, for example, the weighing hopper, the valve body 4 can be opened by the pressure feeding of the material, and at this time, the valve body 4 can be moved to the feeding cylinder portion 3 by the pressure of the compressed air and the material collision. It is moved in the direction away from the opening, and the opening area of the opening can be increased by this movement. Further, when the material is pneumatically transported from the material tank to the material supply hopper by the suction device, the inside of the supply cylinder portion 3 communicating with the material supply hopper becomes a negative pressure, and this negative pressure causes the valve body to have a negative pressure. 4 moves toward the opening side of the supply cylinder portion 3 and tilts toward the opening side to close.
Since the valve body 4 has a large degree of freedom with respect to the support pin 5 when closed, the valve body 4 is in close contact with the entire surface of the opening,
The sealing property when closed is improved. Therefore, when the material is pneumatically transported from the material tank to the material supply hopper by the suction device, the efficiency of pneumatic transportation is not impaired.
【００１３】また、供給筒部３が垂直方向に配設されて
いるものにおいて、この供給筒部３における開口部の上
方位置に水平方向に突出する支持ピン５を突設し、この
支持ピン５に平板状の弁本体４を軸方向移動可能で、か
つ、支持ピン５の軸方向に対し傾動可能に支持する一
方、前記供給筒部３の外側部位に、前記弁本体４に向か
って進退可能で、進出時前記弁本体４を開口部に押しつ
ける押体７をもつ往復動装置を設けている場合、前記押
体７の進出時前記弁本体４は該押体７の押圧により前記
供給筒部３の開口部に押し付けられ、該開口部を閉鎖す
るのであって、前記弁本体４は前記支持ピン５の軸方向
に移動しながら、しかも傾動するのであるから、前記開
口部の全面に前記弁本体４を密着させられ、閉鎖時のシ
ール性が向上するのである。また、前記押体７を退出さ
せると、前記供給筒部３から供給される材料の重みと、
弁本体４の自重により該弁本体４が前記支持ピン５の軸
方向に対して傾動すると共に、軸方向にも移動して、前
記開口部を開放され得るのであって、この場合も開口部
の開口面積を大きく開口させ得るのである。Further, in the case where the supply cylinder portion 3 is arranged in the vertical direction, a support pin 5 protruding in the horizontal direction is provided at a position above the opening in the supply cylinder portion 3 so as to project therefrom. While supporting the flat plate-shaped valve body 4 so as to be movable in the axial direction and tiltable with respect to the axial direction of the support pin 5, it can be moved toward and away from the valve body 4 at an outer portion of the supply cylinder portion 3. When a reciprocating device having a pushing body 7 that pushes the valve body 4 against the opening at the time of advancing is provided, the valve body 4 is pushed by the pushing body 7 at the time of advancing the pushing body 7 The valve body 4 is pressed against the opening 3 to close the opening, and the valve body 4 tilts while moving in the axial direction of the support pin 5. The body 4 can be brought into close contact with it, and the sealing performance when closed is improved. A. Further, when the push body 7 is withdrawn, the weight of the material supplied from the supply cylinder portion 3 and
The valve body 4 tilts with respect to the axial direction of the support pin 5 by its own weight and also moves in the axial direction, so that the opening can be opened. The opening area can be made large.
【００１４】[0014]
【実施例】図３に示した粉粒体の材料供給装置は、粉粒
体材料を一時貯蔵する材料供給ホッパー１と、該材料供
給ホッパー１から供給される材料を計量する計量ホッパ
ー２とを備えており、前記材料供給ホッパー１には原料
タンク（図示しない）に接続した空気輸送管１１と、吸
引装置（図示しない）に接続した吸引管１２とを接続
し、前記吸引管１２の吸引作用により前記原料タンクか
ら材料を前記材料供給ホッパー１へ空気輸送すると共
に、前記材料供給ホッパー１の下部には、先端部を前記
計量ホッパー２に水平方向に突入させた供給筒部３と、
圧縮空気を噴射する噴射ノズル１３とを設け、該ノズル
１３から噴射する圧縮空気のエジェクター効果により前
記材料供給ホッパー１内の材料を前記供給筒部３を介し
て前記計量ホッパー２に供給するようにしている。尚、
１４は電磁弁、１５はフレキシブルテューブである。EXAMPLE The material supplying device for powder and granules shown in FIG. 3 comprises a material supply hopper 1 for temporarily storing the powder and granular material, and a weighing hopper 2 for measuring the material supplied from the material supply hopper 1. The material supply hopper 1 is provided with an air transport pipe 11 connected to a raw material tank (not shown) and a suction pipe 12 connected to a suction device (not shown), and the suction action of the suction pipe 12 is provided. The material is pneumatically transported from the raw material tank to the material supply hopper 1 by means of, and at the lower part of the material supply hopper 1, a supply cylinder portion 3 having a tip end protruding horizontally into the weighing hopper 2,
An injection nozzle 13 for injecting compressed air is provided, and the material in the material supply hopper 1 is supplied to the weighing hopper 2 via the supply cylinder portion 3 by the ejector effect of the compressed air injected from the nozzle 13. ing. still,
Reference numeral 14 is a solenoid valve, and 15 is a flexible tube.
【００１５】また、前記計量ホッパー２にはロードセル
２１を設け、前記材料供給ホッパー１から供給された材
料を計量すると共に、該計量ホッパー２の下部に設ける
排出口２２にはコニカル弁２３を配置し、前記計量ホッ
パー２の内部に宙吊り状に支持したエアシリンダ２４の
作動により前記コニカル弁２３を上下させ、前記排出口
２２を開閉できるようにしている。尚、２５は圧縮空気
を排出する排気管である。A load cell 21 is provided in the measuring hopper 2 to measure the material supplied from the material supply hopper 1, and a conical valve 23 is arranged in a discharge port 22 provided in the lower part of the measuring hopper 2. The conical valve 23 is moved up and down by the operation of an air cylinder 24 suspended in the weighing hopper 2 so that the discharge port 22 can be opened and closed. Incidentally, 25 is an exhaust pipe for discharging the compressed air.
【００１６】しかして、以上のような粉粒体の材料供給
装置における前記供給筒部３の先端部に、平板状の弁本
体４と、該弁本体４を前記供給筒部３の開口部に支持す
る支持ピン５とから成る弁装置を設けるのであって、図
１及び図２に示したように、前記計量ホッパー２に水平
状に突入させた前記供給筒部３の前記開口部の上方外周
側に、先端部を屈曲させた棒状材から成る前記支持ピン
５を、前記供給筒部３の先端部から軸方向に突出すると
共に、屈曲させた先端部を上方に向けて固定する一方、
小判状に形成した平板状の前記弁本体４を、該弁本体４
に形成する前記支持ピン５の外径より大径な支持孔４１
を介して前記支持ピン５に宙吊り状に支持し、宙吊り状
に支持することにより前記弁本体４が前記支持ピン５に
軸方向移動可能で、かつ、前記供給筒部３の軸方向、即
ち前記支持ピン５の軸方向に対し前記支持ピン５と前記
弁本体４との接触部を中心にして傾動可能にでき、前記
弁本体４の前記供給筒部３の開口部に対する自由度を大
きくするのである。Therefore, in the above-described powdery material supplying device, the flat valve body 4 is provided at the tip of the supply cylinder portion 3, and the valve body 4 is provided at the opening of the supply cylinder portion 3. A valve device composed of a supporting pin 5 for supporting is provided, and as shown in FIGS. 1 and 2, an upper outer periphery of the opening of the supply cylinder portion 3 which is horizontally projected into the weighing hopper 2. On the side, the support pin 5 made of a rod-shaped member having a bent tip is axially projected from the tip of the supply cylinder 3, and the bent tip is fixed upward while being fixed.
The flat plate-shaped valve body 4 formed in an oval shape is replaced by the valve body 4
Forming a support hole 41 having a diameter larger than the outer diameter of the support pin 5
The valve body 4 is axially movable to the support pin 5 by being supported by the support pin 5 in a suspended manner via the support pin 5 and is supported in the suspended direction. The support pin 5 can be tilted about the contact portion between the support pin 5 and the valve body 4 with respect to the axial direction, and the degree of freedom of the valve body 4 with respect to the opening of the supply cylinder portion 3 is increased. is there.
【００１７】しかして、前記噴射ノズル１３から噴出す
る圧縮空気のエジェクター効果により前記材料供給ホッ
パー１内の材料を前記供給筒部３を介して前記計量ホッ
パー２に供給するとき、前記弁本体４はこの材料の圧送
により前記開口部を図１実線のように開放すると共に、
圧縮空気の圧力及び材料の衝突により前記弁本体４を前
記供給筒部３の開口部から離れる方向に移動されられる
し、また閉鎖時と逆方向に傾動させることができること
から、前記開口部の開口面積を大きくできるのである。Therefore, when the material in the material supply hopper 1 is supplied to the measuring hopper 2 through the supply cylinder portion 3 by the ejector effect of the compressed air ejected from the injection nozzle 13, the valve body 4 is The opening is opened as shown by the solid line in FIG. 1 by pumping this material, and
Since the valve body 4 can be moved in a direction away from the opening of the supply cylinder portion 3 by the pressure of the compressed air and the collision of the material, the valve body 4 can be tilted in the direction opposite to the closing direction. The area can be increased.
【００１８】また、前記吸引管１２の吸引作用により原
料タンクから材料を前記材料供給ホッパー１に空気輸送
するときは、前記材料供給ホッパー１に連通している前
記供給筒部３の内部は負圧になり、この負圧によって前
記弁本体４は前記供給筒部３の開口部側へ移動すると共
に、該開口部側に傾動して閉鎖するのであって、閉鎖時
前記弁本体４の前記供給筒部３の開口部に対する自由度
が大きいから、該弁本体４は、図１点線のように前記開
口部の全面に密着させられるのであって、異物を挟むこ
となく閉鎖時のシール性を向上され得るのである。従っ
て、前記吸引管１２の吸引作用により原料タンクから材
料を前記材料供給ホッパー１へ空気輸送するとき、空気
輸送の効率を損なうことはないのである。When the material is pneumatically transported from the raw material tank to the material supply hopper 1 by the suction action of the suction pipe 12, the inside of the supply cylinder portion 3 communicating with the material supply hopper 1 is negatively pressured. Due to this negative pressure, the valve body 4 moves toward the opening side of the supply cylinder portion 3 and tilts toward the opening side to close, and the valve cylinder 4 of the valve body 4 is closed when closed. Since the degree of freedom of the opening of the portion 3 is large, the valve body 4 can be brought into close contact with the entire surface of the opening as shown by the dotted line in FIG. To get. Therefore, when the material is pneumatically transported from the raw material tank to the material supply hopper 1 by the suction action of the suction pipe 12, the efficiency of pneumatic transportation is not impaired.
【００１９】しかも、前記したように、前記弁本体４に
動きの自由度を大きくもたせられるから前記支持ピン５
に平板状の前記弁本体４を前記支持孔４１を介して宙吊
り状に支持するだけですみ、従って、高度な製作精度は
要求されなく、簡単な構成で、かつ、コストを安くでき
るのである。In addition, as described above, since the valve body 4 can have a large degree of freedom of movement, the support pin 5 is provided.
Moreover, it is only necessary to support the flat plate-shaped valve body 4 in a suspended manner through the support hole 41. Therefore, a high manufacturing precision is not required, and the structure is simple and the cost can be reduced.
【００２０】以上説明した第１実施例では、前記供給筒
部３を水平方向に配置し、前記弁本体４を吸引力によっ
て傾動させ前記供給筒部３の開口部を閉鎖するようにし
たが、前記弁本体４を機械的外力によって押圧すること
により傾動させるようにしてもよい。In the first embodiment described above, the supply cylinder portion 3 is arranged horizontally, and the valve body 4 is tilted by the suction force to close the opening of the supply cylinder portion 3. The valve body 4 may be tilted by being pressed by a mechanical external force.
【００２１】次に、前記供給筒部３を垂直方向に配置し
た場合を図４に従って説明する。Next, the case where the supply cylinder portion 3 is arranged in the vertical direction will be described with reference to FIG.
【００２２】図４に示した実施例は、前記供給筒部３
を、例えばオートローダとか計量ホッパーなどのホッパ
ー１０において該ホッパー１０の下部に垂直方向に配設
し、材料を下向きに排出するようにしたもので、前記供
給筒部３の下端部に、平板状の弁本体４と、該弁本体４
を前記供給筒部３の開口部に支持する支持ピン５とから
成る弁装置を設けたものである。即ち、下端部を傾斜状
に形成した前記供給筒部３の開口部から少し上方位置に
おける外周部に、先端部を屈曲させた棒状材から成る前
記支持ピン５を、前記支持ピン５が前記供給筒部３から
水平方向に、即ち前記供給筒部３の半径方向外方に延び
るように突出させ、かつ、屈曲した先端部を上方に向け
て固定するのである。In the embodiment shown in FIG. 4, the supply cylinder portion 3 is
In a hopper 10 such as an autoloader or a weighing hopper arranged vertically in the lower part of the hopper 10 to discharge the material downward. A flat plate-like member is provided at the lower end of the supply cylinder 3. The valve body 4 and the valve body 4
Is provided in the opening portion of the supply cylinder portion 3 and a valve device including a support pin 5. That is, the support pin 5 supplies the support pin 5 made of a rod-shaped member having a bent tip end to the outer peripheral portion at a position slightly above the opening of the supply cylinder portion 3 having the inclined lower end. The cylindrical tip 3 is projected in the horizontal direction, that is, to extend outward in the radial direction of the supply cylinder 3, and the bent tip is fixed upward.
【００２３】また、小判状に形成した平板状の前記弁本
体４の上端部に、図５及び図６に示すように前記支持ピ
ン５の外径より大径な内径をもつ環状支持部４２を接続
し、該環状支持部４２を介してこの弁本体４を前記支持
ピン５に、前記弁本体４が前記支持ピン５に軸方向移動
可能で、かつ、前記供給筒部３の半径方向、即ち前記支
持ピン５の軸方向に対し前記支持ピン５と前記環状支持
部４２との接触部を中心にして傾動可能に支持するので
ある。Further, as shown in FIGS. 5 and 6, an annular support portion 42 having an inner diameter larger than the outer diameter of the support pin 5 is provided at the upper end portion of the oval plate-like valve body 4. The valve body 4 is connected to the support pin 5 via the annular support portion 42, the valve body 4 is axially movable to the support pin 5, and the radial direction of the supply cylinder portion 3, that is, The support pin 5 is supported so as to be tiltable about the contact portion between the support pin 5 and the annular support portion 42 with respect to the axial direction of the support pin 5.
【００２４】更に、前記供給筒部３の外周部には例えば
エアシリンダ６１から成る往復動装置を取付部材６２を
介して固定した支持筒６に取付けると共に、前記弁本体
４の背面側中央部には曲面をもった受圧部４３を設け、
前記往復動装置に該受圧部４３に先端部が常時接触し、
かつ、前記エアシリンダ６１の作動で前記供給筒部３の
半径方向に進退可能な押体７を設け、該押体７の前記弁
本体４側への進出時、前記押体７の先端部を前記受圧部
４３に対して滑らしながら前記弁本体４を前記支持ピン
５の軸方向に移動させると共に軸方向に傾動させて前記
供給筒部３の開口部に押し付け、前記開口部を弁本体４
により閉鎖する一方、前記押体７の退出時前記弁本体４
の自重による前記支持ピン５の軸方向に対する傾動によ
り前記開口部を開放できるようにするのである。Further, a reciprocating device composed of, for example, an air cylinder 61 is attached to the outer peripheral portion of the supply cylinder portion 3 to a support cylinder 6 fixed via a mounting member 62, and at the center of the rear side of the valve body 4. Is provided with a pressure receiving portion 43 having a curved surface,
The tip portion of the reciprocating device is always in contact with the pressure receiving portion 43,
Further, a push body 7 that can be moved forward and backward in the radial direction of the supply cylinder portion 3 by the operation of the air cylinder 61 is provided, and when the push body 7 advances toward the valve body 4 side, the tip portion of the push body 7 is moved. The valve body 4 is moved in the axial direction of the support pin 5 while being slid with respect to the pressure receiving portion 43, and is tilted in the axial direction so as to be pressed against the opening portion of the supply cylinder portion 3 and the opening portion is opened.
The valve body 4 is closed by the valve body 4 when the push body 7 leaves.
The opening can be opened by tilting the support pin 5 with respect to the axial direction by its own weight.
【００２５】しかして、前記押体７を前記エアシリンダ
６１の作動で退出させると、前記供給筒部３から供給さ
れる材料の重みと、弁本体４の自重により該弁本体４が
前記支持ピン５の軸方向に対して傾動すると共に、軸方
向にも移動し、図４に一点鎖線で示したように、前記開
口部を開放するのであって、この実施例においても開口
部の開口面積を大きくすることができるのである。However, when the push body 7 is retracted by the operation of the air cylinder 61, the weight of the material supplied from the supply cylinder portion 3 and the weight of the valve body 4 cause the valve body 4 to support the support pin. In addition to tilting with respect to the axial direction of No. 5, it also moves in the axial direction to open the opening as shown by the alternate long and short dash line in FIG. 4. Also in this embodiment, the opening area of the opening is It can be increased.
【００２６】また、材料の供給終了後前記開口部を閉鎖
する場合には、前記押体７の先端部を前記受圧面４３に
対して滑らしながら前記押体７を進出させるのであっ
て、この押体７の進出により前記弁本体４を前記支持ピ
ン５の軸方向に移動させながら軸方向に対し傾動させ、
前記弁本体４を前記供給筒部３の開口部に押し付け、こ
の開口部を閉鎖し得るのである。そして閉鎖時前記弁本
体４の前記供給筒部３の開口部に対する自由度が大きい
から前記開口部の全面に前記弁本体４を密着させられ、
閉鎖時のシール性を向上できるのである。When the opening is closed after the material is supplied, the pushing body 7 is advanced while sliding the tip of the pushing body 7 against the pressure receiving surface 43. By advancing the body 7, the valve body 4 is tilted with respect to the axial direction of the support pin 5 while being moved in the axial direction,
The valve body 4 can be pressed against the opening of the supply cylinder 3 to close the opening. When the valve body 4 is closed, the valve body 4 has a large degree of freedom with respect to the opening of the supply cylinder portion 3, so that the valve body 4 can be brought into close contact with the entire surface of the opening.
The sealing property when closed can be improved.
【００２７】尚、第２実施例では往復動装置としてエア
シリンダ６１を用いたが、油圧シリンダを用いてもよい
し、またねじ棒等を用いて前記押体７を前記弁本体４に
向かって進退できるようにしてもよい。Although the air cylinder 61 is used as the reciprocating device in the second embodiment, a hydraulic cylinder may be used, or a screw rod or the like may be used to move the pressing body 7 toward the valve body 4. You may be able to move forward and backward.
【００２８】[0028]
【発明の効果】以上説明したように、本発明は粉粒体を
供給する供給筒部をもった材料供給装置における弁装置
であって、平板状の弁本体４と、該弁本体４を前記供給
筒部３の開口部に支持する支持ピン５とから成り、該支
持ピン５が前記開口部の上方位置に設けられ、前記弁本
体４が前記支持ピン５に軸方向移動可能で、かつ、前記
支持ピン５の軸方向に対し傾動可能に支持したものであ
るから、前記弁本体４が前記供給筒部３の開口部を閉鎖
するとき、前記支持ピン５の軸方向に移動しながら、軸
方向にも傾動するから、即ち前記弁本体４の前記供給筒
部３の開口部に対する自由度が大きくでき、従って、前
記開口部の全面に前記弁本体４を密着されられるのであ
って、構造を簡単にできて、閉鎖時のシール性を向上す
ることができるのである。As described above, the present invention is a valve device in a material supply device having a supply cylinder portion for supplying a powder or granular material, which is a flat valve main body 4 and the valve main body 4 as described above. A support pin 5 that is supported in the opening of the supply cylinder 3, the support pin 5 is provided above the opening, and the valve body 4 is axially movable to the support pin 5; Since it is supported so as to be tiltable with respect to the axial direction of the support pin 5, when the valve body 4 closes the opening of the supply cylinder portion 3, the shaft is moved while moving in the axial direction of the support pin 5. Since the valve body 4 is also tilted in the direction, that is, the degree of freedom of the valve body 4 with respect to the opening of the supply cylinder portion 3 can be increased, and therefore, the valve body 4 can be closely attached to the entire surface of the opening portion. It's easy and can improve the sealing performance when closed A.
【００２９】また、前記供給筒部３を介して材料を供給
する場合、前記弁本体４を前記支持ピン５の軸方向に移
動させながら、軸方向に傾動させることができるから、
前記供給筒部３の開口部の開口面積を大きくできるので
ある。When the material is supplied through the supply cylinder portion 3, the valve body 4 can be tilted in the axial direction while being moved in the axial direction of the support pin 5.
The opening area of the opening of the supply cylinder 3 can be increased.
【００３０】このように、前記支持ピン５に平板状の前
記弁本体４を前記供給筒部３の開口部に対する自由度を
大きくして支持することができるから、高度な製作精度
は要求されなく、簡単な構成で、かつ、製作コストを安
くできながら、閉鎖時のシール性を良好にできかつ、開
口面積も大きくできるのである。As described above, since the flat plate-shaped valve body 4 can be supported on the support pin 5 with a large degree of freedom with respect to the opening of the supply cylinder portion 3, a high degree of manufacturing precision is not required. The structure is simple and the manufacturing cost can be reduced, while the sealing property at the time of closing can be improved and the opening area can be increased.
【００３１】また、供給筒部３が水平方向に配設される
と共に、前記供給筒部３が吸引装置に連通したものにお
いて、前記供給筒部３における開口部の上方位置に水平
方向に突出する支持ピン５を設け、この支持ピン５に平
板状の弁本体４を軸方向移動可能で、かつ、前記支持ピ
ン５の軸方向に対し傾動可能に支持することにより、材
料を前記供給筒部３を介して供給する場合には、前記弁
本体４は自重により前記開口部を開放させられるし、ま
た、この開放時、前記弁本体４を前記供給筒部３の開口
部から離れる方向に移動させられるので、前記開口部の
開口面積を大きくできるし、また、前記吸引装置により
材料タンクから材料を材料供給ホッパーに空気輸送する
ときは、前記材料供給ホッパーに連通している前記供給
筒部３の内部は負圧になるから、この負圧によって前記
弁本体４は前記供給筒部３の開口部側へ移動すると共
に、該開口部側に傾動して閉鎖することができるのであ
って、前記弁本体４の前記供給筒部３の開口部に対する
自由度が大きいから、閉鎖時には前記開口部の全面に前
記弁本体４を密着させられ、閉鎖時のシール性を向上で
きるのである。従って、前記吸引装置により材料タンク
から材料を前記材料供給ホッパーへ空気輸送するとき、
空気輸送の効率を損なうことなく、有効な空気輸送が可
能となるのである。Further, when the supply cylinder portion 3 is arranged in the horizontal direction and the supply cylinder portion 3 communicates with the suction device, the supply cylinder portion 3 projects in the horizontal direction above the opening in the supply cylinder portion 3. The support pin 5 is provided, and the flat plate-shaped valve body 4 is supported on the support pin 5 so as to be movable in the axial direction and tiltable with respect to the axial direction of the support pin 5, so that the material is supplied to the supply cylinder portion 3 In the case of supplying via the valve body 4, the valve body 4 can open the opening portion by its own weight, and at the time of opening, the valve body 4 is moved in a direction away from the opening portion of the supply cylinder portion 3. Therefore, the opening area of the opening can be increased, and when the material is pneumatically transported from the material tank to the material supply hopper by the suction device, the supply cylinder portion 3 communicating with the material supply hopper can be used. Negative inside Therefore, the negative pressure allows the valve body 4 to move toward the opening side of the supply cylinder portion 3 and tilt and close toward the opening side. Since the degree of freedom of the supply tube portion 3 with respect to the opening is large, the valve body 4 can be brought into close contact with the entire surface of the opening when closed, and the sealing performance at the time of closing can be improved. Therefore, when pneumatically transporting the material from the material tank to the material supply hopper by the suction device,
Effective air transportation is possible without impairing the efficiency of air transportation.
【００３２】また、供給筒部３が垂直方向に配設されて
いるものにおいて、この供給筒部３における開口部の上
方位置に水平方向に延びる支持ピン５を突設し、この支
持ピン５に平板状の弁本体４を軸方向移動可能で、か
つ、支持ピン５の軸方向に対し傾動可能に支持する一
方、前記供給筒部３の外側部位に、前記弁本体４に向か
って進退可能で、進出時前記弁本体４を開口部に押しつ
ける押体７をもつ往復動装置を設けることにより、前記
弁本体４を前記押体７の押圧により前記供給筒部３の開
口部に押し付けて、該開口部を閉鎖することができる
し、この閉鎖時前記弁本体４は前記支持ピン５の軸方向
に移動しながら、しかも傾動するのであるから、前記開
口部の全面に前記弁本体４を密着させられるのであっ
て、この場合も、閉鎖時のシール性を向上させ得るので
ある。In the case where the supply cylinder portion 3 is arranged in the vertical direction, a support pin 5 extending in the horizontal direction is projectingly provided above the opening of the supply cylinder portion 3, and the support pin 5 is provided on the support pin 5. The flat plate-shaped valve body 4 is supported so as to be movable in the axial direction and tiltable with respect to the axial direction of the support pin 5, while being able to move forward and backward toward the valve body 4 at an outer portion of the supply cylinder portion 3. By providing a reciprocating device having a push body 7 that pushes the valve body 4 against the opening portion when advancing, the valve body 4 is pushed against the opening portion of the supply cylinder portion 3 by pressing the push body 7. Since the opening can be closed, and the valve body 4 tilts while moving in the axial direction of the support pin 5 at the time of closing, the valve body 4 is brought into close contact with the entire surface of the opening. And in this case also, It is as it can improve the Lumpur property.
【００３３】また、前記押体７を退出させて前記開口部
を開放する場合には、前記弁本体４を前記支持ピン５の
軸方向に対して移動させながら傾動させて前記開口部を
開放するのであるから、それだけ前記開口部の開口面積
を大きくすることができるのである。When the pusher 7 is retracted to open the opening, the valve body 4 is tilted while moving with respect to the axial direction of the support pin 5 to open the opening. Therefore, the opening area of the opening can be increased correspondingly.
【図１】粉粒体の材料供給装置における弁装置の要部拡
大断面図である。FIG. 1 is an enlarged cross-sectional view of a main part of a valve device in a powder and granular material supply device.
【図２】同側面図である。FIG. 2 is a side view of the same.
【図３】本発明の弁装置を用いた粉粒体の材料供給装置
の機器配置図である。FIG. 3 is a device layout view of a material supply device for powder and granules using the valve device of the present invention.
【図４】本発明の弁装置の他の実施例を示す拡大断面図
である。FIG. 4 is an enlarged sectional view showing another embodiment of the valve device of the present invention.
【図５】図４のＡ部拡大拡大断面図である。FIG. 5 is an enlarged cross-sectional view of an A portion of FIG.
【図６】同４のＡ部拡大正面図である。FIG. 6 is an enlarged front view of a portion A of the same 4;
【図７】従来の弁装置の説明図である。FIG. 7 is an explanatory diagram of a conventional valve device.
３ 供給筒部 ４ 弁本体 ５ 支持ピン ７ 押体 3 Supply cylinder part 4 Valve body 5 Support pin 7 Push body
Claims (3)
供給装置における弁装置であって、平板状の弁本体４
と、該弁本体４を前記供給筒部３の開口部に支持する支
持ピン５とから成り、該支持ピン５が前記開口部の上方
位置に設けられ、前記弁本体４が前記支持ピン５に軸方
向移動可能で、かつ、前記支持ピン５の軸方向に対し傾
動可能に支持されていることを特徴とする粉粒体の材料
供給装置における弁装置。1. A valve device in a material supply device having a supply cylinder part for supplying powder and granules, comprising a flat valve body 4
And a support pin 5 that supports the valve body 4 in the opening of the supply cylinder portion 3, the support pin 5 is provided above the opening, and the valve body 4 is attached to the support pin 5. A valve device in a material supply device for powdery or granular material, which is supported so as to be movable in the axial direction and tiltable with respect to the axial direction of the support pin 5.
に、前記供給筒部３が吸引装置に連通しており、前記供
給筒部３における開口部の上方位置に水平方向に突出す
る支持ピン５を設け、この支持ピン５に平板状の弁本体
４が軸方向移動可能で、かつ、前記支持ピン５の軸方向
に対し傾動可能に支持されている請求項１記載の粉粒体
の材料供給装置における弁装置。2. The supply cylinder portion 3 is arranged in the horizontal direction, the supply cylinder portion 3 communicates with a suction device, and projects horizontally in a position above an opening in the supply cylinder portion 3. The granular material according to claim 1, wherein a support pin 5 is provided, and the flat plate-shaped valve body 4 is supported on the support pin 5 so as to be movable in the axial direction and tiltable with respect to the axial direction of the support pin 5. Device in the material supply device of.
て、この供給筒部３における開口部の上方位置に水平方
向に延びる支持ピン５が突設しており、この支持ピン５
に平板状の弁本体４を軸方向移動可能で、かつ、支持ピ
ン５の軸方向に対し傾動可能に支持する一方、前記供給
筒部３の外側部位に、前記弁本体４に向かって進退可能
で、進出時前記弁本体４を開口部に押しつける押体７を
もつ往復動装置を設けている請求項１記載の粉粒体の材
料供給装置における弁装置。3. The supply cylinder portion 3 is arranged in a vertical direction, and a support pin 5 extending in the horizontal direction is projectingly provided above the opening in the supply cylinder portion 3.
While supporting the flat plate-shaped valve body 4 so as to be movable in the axial direction and tiltable with respect to the axial direction of the support pin 5, it can be moved toward and away from the valve body 4 at an outer portion of the supply cylinder portion 3. 2. The valve device in the material supplying device for powdery or granular material according to claim 1, wherein a reciprocating device having a pressing body 7 for pressing the valve body 4 against the opening at the time of advancing is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2847392A JPH0753535B2 (en) | 1992-02-14 | 1992-02-14 | A valve device in a powder material supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2847392A JPH0753535B2 (en) | 1992-02-14 | 1992-02-14 | A valve device in a powder material supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0640576A true JPH0640576A (en) | 1994-02-15 |
| JPH0753535B2 JPH0753535B2 (en) | 1995-06-07 |
Family
ID=12249621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2847392A Expired - Fee Related JPH0753535B2 (en) | 1992-02-14 | 1992-02-14 | A valve device in a powder material supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0753535B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000023733A1 (en) * | 1997-04-25 | 2000-04-27 | Kawasaki Jukogyo Kabushiki Kaisha | Flowrate control valve for powder and granular material |
| USRE42260E1 (en) | 1999-09-07 | 2011-03-29 | L'oreal S.A. | Composition and process for making up keratin substances |
-
1992
- 1992-02-14 JP JP2847392A patent/JPH0753535B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000023733A1 (en) * | 1997-04-25 | 2000-04-27 | Kawasaki Jukogyo Kabushiki Kaisha | Flowrate control valve for powder and granular material |
| US6340150B1 (en) | 1998-10-19 | 2002-01-22 | Kawasaki Jukogyo Kabushiki Kaisha | Flowrate control valve for powder and granular material |
| USRE42260E1 (en) | 1999-09-07 | 2011-03-29 | L'oreal S.A. | Composition and process for making up keratin substances |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753535B2 (en) | 1995-06-07 |
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