JP2585280Y2 - Screw type extruder - Google Patents
Screw type extruderInfo
- Publication number
- JP2585280Y2 JP2585280Y2 JP1992029169U JP2916992U JP2585280Y2 JP 2585280 Y2 JP2585280 Y2 JP 2585280Y2 JP 1992029169 U JP1992029169 U JP 1992029169U JP 2916992 U JP2916992 U JP 2916992U JP 2585280 Y2 JP2585280 Y2 JP 2585280Y2
- Authority
- JP
- Japan
- Prior art keywords
- raw material
- cylinder
- screw
- filter member
- wall surface
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
- B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
- B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
- B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案はスクリュ式押出機に関
し、特に、原料中の気体又は液体成分をシリンダ又は原
料強制供給装置用シリンダに設けられたフィルタ部材を
介して排出し、高処理能力を得るための新規な改良に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screw type extruder, and in particular, discharges gas or liquid components in a raw material through a filter member provided in a cylinder or a cylinder for a raw material forced supply device, thereby achieving high throughput. New improvements to obtain.
【０００２】[0002]
【従来の技術】一般に、原料が樹脂パウダであったり、
炭酸カルシウムやタルク等の微粉末フィラを多量に混合
した場合、原料中に多くの気体や液体成分を含む状態が
発生する。原料中に含まれた気体や液体成分はスクリュ
で圧縮加熱、溶融される工程において圧縮状態の気体と
なり、原料とともにスクリュの上流方向へ押し戻されて
噴出するため、押出量が安定せず、減少する現象が発生
している。従来、用いられていたこの種の気体や液体成
分を排出する機能を有するスクリュ式押出機としては種
々あるが、その中で代表的なものについて述べると、例
えば、図４で示す実開平２−７６０２３号公報に開示さ
れた構成を挙げることができる。すなわち、図４におい
て符号１で示されるものはシリンダであり、このシリン
ダ１の一部には通気性のある筒状の多孔質材２が設けら
れ、この多孔質材２の内壁面２ａはシリンダ１の内壁面
１ａと面一となるように形成されている。2. Description of the Related Art Generally, a raw material is resin powder,
When a large amount of fine powder filler such as calcium carbonate or talc is mixed, a state in which a raw material contains many gas or liquid components occurs. The gas and liquid components contained in the raw material become compressed gas in the process of compression heating and melting by the screw, and are pushed back to the upstream side of the screw together with the raw material and ejected. A phenomenon has occurred. Conventionally, there are various types of screw-type extruders having a function of discharging gas and liquid components of this kind. Among them, a representative one is described, for example, in Japanese Utility Model Application Publication No. The configuration disclosed in Japanese Patent No. 76023 can be cited. That is, a cylinder denoted by reference numeral 1 in FIG. 4 is a cylinder, and a part of the cylinder 1 is provided with a porous porous material 2 having air permeability, and an inner wall surface 2a of the porous material 2 is a cylinder. 1 is formed so as to be flush with the inner wall surface 1a.
【０００３】また、この多孔質材２の背面側には排気口
３が形成されていると共に、このシリンダ１内には前記
多孔質材２に接した状態でスクリュ４が回転自在に設け
られており、前記シリンダ１のホッパ５は前記多孔質材
２を貫通して前記内壁面２ａに面して配設されている。[0003] An exhaust port 3 is formed on the back side of the porous material 2, and a screw 4 is rotatably provided in the cylinder 1 in contact with the porous material 2. The hopper 5 of the cylinder 1 penetrates the porous material 2 and is disposed facing the inner wall surface 2a.
【０００４】従って、前述の従来構成においては、ホッ
パ５から供給された微粉末状の原料６は、スクリュ４で
圧縮、溶融の工程を経てスクリュ４の前方へ輸送され、
この原料６中に含まれた気体のみが多孔質材２から脱気
され排気口３を経て外部へ排気される。また、他の従来
例としては、図示していないが、シリンダに原料強制供
給装置を取付け、原料を圧縮して処理する方法も採用さ
れている。Therefore, in the above-described conventional configuration, the raw material 6 in the form of fine powder supplied from the hopper 5 is transported to the front of the screw 4 through the steps of compression and melting by the screw 4, and
Only the gas contained in the raw material 6 is degassed from the porous material 2 and exhausted to the outside via the exhaust port 3. As another conventional example, although not shown, a method of attaching a raw material forced supply device to a cylinder and compressing and processing the raw material is also adopted.
【０００５】[0005]
【考案が解決しようとする課題】従来のスクリュ式押出
機は、以上のように構成されていたため、次のような課
題が存在していた。すなわち、スクリュによって原料が
輸送されるにつれて気体あるいは液体成分が次第に減少
し、嵩比重が上昇してゆくにつれ、スクリュと多孔質材
の間で発生する剪断作用により、原料が溶融し始め、時
間の経過と共に多孔質材の孔の部分が閉塞されて脱気作
用が無くなり、長時間にわたり安定的な高処理量を確保
することは不可能であった。Problems to be Solved by the Invention Since the conventional screw-type extruder is constituted as described above, the following problems exist. That is, as the raw material is transported by the screw, the gas or liquid component gradually decreases, and as the bulk specific gravity increases, the raw material begins to melt due to the shearing action generated between the screw and the porous material, and the time required With the passage of time, the pores of the porous material were closed and the degassing action was lost, and it was impossible to secure a stable high throughput for a long time.
【０００６】また、前述の他の従来例である原料強制供
給装置を設けた方法においては、処理量自体の増加は得
られるが、この装置だけでは気体や液体成分を脱気する
ことはできず、原料の形状、形態、性状によっては、そ
の処理量が増加しない場合、又は、増加しても不十分で
ある場合、さらには押出しが不安定となる場合等の現象
が発生していた。[0006] Further, in the above-described method in which a conventional raw material forced supply device is provided, the throughput itself can be increased, but gas and liquid components cannot be degassed by this device alone. Depending on the shape, form, and properties of the raw material, phenomena such as a case where the treatment amount does not increase, or a case where the increase is insufficient, and a case where the extrusion becomes unstable have occurred.
【０００７】本考案は、以上のような課題を解決するた
めになされたもので、特に、原料中の気体又は液体成分
をシリンダ又は原料強制供給装置用シリンダの壁内に設
けられたフィルタ部材を介して排出し、高処理能力を得
るようにしたスクリュ式押出機を提供することを目的と
する。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. In particular, a filter member provided in a wall of a cylinder or a cylinder for a forcible material supply device for a gas or liquid component in a material is provided. It is an object of the present invention to provide a screw-type extruder that discharges through a screw and obtains a high throughput.
【０００８】[0008]
【課題を解決するための手段】本考案によるスクリュ式
押出機は、シリンダの原料供給口から供給される粉粒体
からなる原料を前記シリンダ内に設けられたスクリュに
より混練するようにしたスクリュ式押出機において、前
記シリンダの前記原料供給口よりも下流側に設けられ前
記シリンダに形成された開口よりなる第１排出口と、前
記第１排出口に設けられ前記シリンダの壁内に位置する
と共に、前記スクリュの軸方向と平行に配設されたフィ
ルタ部材とを備え、前記フィルタ部材は前記シリンダの
第１内壁面から離間した位置に設けられ、前記第１内壁
面と前記フィルタ部材間の厚さ内には前記原料からなる
各粉粒体同志でミクロな空隙を形成する第１原料層が存
在し、前記第１原料層内の前記空隙を経て前記原料中の
気体を前記第１排出口から脱気するように構成したこと
を特徴とする。また、シリンダの原料供給口に設けられ
た原料強制供給装置用スクリュを有する原料強制供給装
置用シリンダを介して供給される粉粒体からなる原料を
前記シリンダ内に設けられたスクリュにより混練するよ
うにしたスクリュ式押出機において、前記原料強制供給
装置用シリンダに形成された開口よりなる第２排出口
と、前記第２排出口に設けられ前記原料強制供給装置用
シリンダの壁内に位置すると共に前記原料強制供給装置
用スクリュの軸方向と平行に配設されたフィルタ部材と
を備え、前記フィルタ部材は前記原料強制供給装置用シ
リンダの第２内壁面から離間した位置に設けられ、前記
第２内壁面とフィルタ部材間の厚さ内には前記原料から
なる各粉粒体同志でミクロな空隙を形成する第２原料層
が存在し、前記第２原料層内の前記空隙を経て前記原料
中の気体を前記第２排出口から脱気するように構成した
ことを特徴とする。 Screw extruder according to the present invention SUMMARY OF THE INVENTION may, screw type which is adapted kneaded by a screw which is provided a material consisting of granular material that will be supplied from the raw material supply port of the cylinder in the cylinder In the extruder, a first discharge port which is provided downstream of the raw material supply port of the cylinder and is formed of an opening formed in the cylinder, and which is provided in the first discharge port and located in a wall of the cylinder. , and a filter member disposed parallel to the axial direction of the screw, the filter member is provided at a position spaced apart from the first inner wall surface of the cylinder, the thickness between the filter member and the first inner wall surface Sanai consists of the above ingredients
The first material layer is present to form the micro voids in the granule each other, and through the gap of the first material layer constitutes the gas in said raw material to degassing from the first outlet thing
It is characterized by. It is also provided at the raw material supply port of the cylinder.
In the raw material forced feed device for material consisting of raw material forced feeder cylinder the particulate material that will be fed through with a screw so as to kneading by the screw which is provided in the cylinder was screw extruder, the material A second discharge port having an opening formed in the cylinder for forced supply device, and a forced supply device for raw material located in the second discharge port and located in a wall of the cylinder for forced supply device.
A filter member disposed in parallel with the axial direction of the screw for use , wherein the filter member is provided at a position separated from a second inner wall surface of the cylinder for raw material forced supply device, and the second inner wall surface and the filter member are provided. the in thickness between present second material layer to form a micro gap in the granular material each other consisting of the raw material, the gas in said raw material through the gap of the second material layer first It was configured to deaerate from 2 outlets
It is characterized by the following.
【０００９】[0009]
【作用】本考案によるスクリュ式押出機においては、シ
リンダの原料供給口から供給された微粉末状の粉粒体か
らなる原料は、混練スクリュにより可塑化、混練される
が、原料供給口の下流側に設けられた排気口のフィルタ
部材がシリンダの第１内壁面から離間した位置に設けら
れているため、この第１内壁面とフィルタ部材間にはあ
る厚さ分の第１原料層が形成される。そのため、この第
１原料層によりシリンダとスクリュ間で発生する剪断発
熱による原料の溶融化の防止並びに前記第１内壁面にお
ける原料の嵩比重をフィルタ部材に到達するまでに徐々
に上げ、原料の各粉粒体同志でミクロな空隙を自然に形
成し、この空隙を経て長時間にわたり目詰まりなく安定
的に原料中に存在する気体等を第１排気口から分離除去
し上流方向への逆流が無くなるので、高処理能力の運転
が可能となる。In the screw type extruder according to the present invention, the raw material composed of fine powdery particles supplied from the raw material supply port of the cylinder is plasticized and kneaded by the kneading screw. Since the filter member of the exhaust port provided on the side is provided at a position separated from the first inner wall surface of the cylinder, a first material layer of a certain thickness is formed between the first inner wall surface and the filter member. Is done. Therefore, the first raw material layer prevents the raw material from being melted due to shear heat generated between the cylinder and the screw, and gradually increases the bulk specific gravity of the raw material on the first inner wall surface until the raw material reaches the filter member. Microscopic voids are naturally formed between the powders and granules, and through the voids, gases and the like existing in the raw material are separated and removed from the first exhaust port stably without clogging for a long time, so that there is no backflow in the upstream direction. Therefore, operation with high throughput is possible.
【００１０】また、原料供給口に設けられた原料強制供
給装置用スクリュを有する原料強制供給装置用シリンダ
が設けられ、この原料強制供給装置用シリンダの第２排
気口に設けられたフィルタ部材がこの原料強制供給装置
用シリンダの第２内壁面から離間した位置に設けられて
いるため、この第２内壁面とフィルタ部材間にはある厚
さ分の第２原料層が形成される。従って、前述と同様に
この第２原料層における空隙により目詰まりのない安定
的な高処理能力の運転が可能となる。[0010] Further, a cylinder for a material forced supply device having a screw for the material forced supply device provided in the material supply port is provided, and a filter member provided in a second exhaust port of the cylinder for the material forced supply device is provided. Since the second raw material layer is provided at a position separated from the second inner wall surface of the raw material forced supply device cylinder, a second raw material layer having a certain thickness is formed between the second inner wall surface and the filter member. Therefore, as described above, it is possible to operate stably with a high processing capacity without clogging due to the voids in the second raw material layer.
【００１１】[0011]
【実施例】以下、図面と共に本考案によるスクリュ式押
出機の好適な実施例について詳細に説明する。なお、従
来例と同一又は同等部分には同一符号を付して説明す
る。図１及び図２は本考案によるスクリュ式押出機の実
施例を示す断面図であり、図３は他の実施例を示す断面
図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a screw type extruder according to the present invention will be described in detail with reference to the drawings. The same or equivalent parts as those in the conventional example will be described with the same reference numerals. 1 and 2 are sectional views showing an embodiment of a screw type extruder according to the present invention, and FIG. 3 is a sectional view showing another embodiment.
【００１２】図１において符号１で示されるものはスク
リュ式押出機のシリンダであり、このシリンダ１内には
スクリュ４が回転自在に設けられていると共にその原料
供給口１０の下流側に形成された開口よりなる第１排気
口１１には、気体もしくは液体成分を通し微粉末状の粉
粒体からなる原料６は通さない構成のフィルタ部材２が
設けられている。このフィルタ部材２はシリンダ１の壁
内に位置すると共にスクリュ４の軸方向と平行に配設さ
れている。In FIG. 1, reference numeral 1 denotes a screw type extruder cylinder in which a screw 4 is rotatably provided and formed at a downstream side of a raw material supply port 10 thereof. The first exhaust port 11 having the opening is provided with a filter member 2 configured to allow gas or liquid components to pass therethrough and not to pass through the raw material 6 made of fine powder particles. The filter member 2 is located in the wall of the cylinder 1 and is arranged in parallel with the axial direction of the screw 4.
【００１３】前記フィルタ部材２上にはこのフィルタ部
材２に対応して筒体１３を介して蓋１４が設けられ、こ
の蓋１４には弁１５が接続されている。A cover 14 is provided on the filter member 2 via a tubular body 13 corresponding to the filter member 2, and a valve 15 is connected to the cover 14.
【００１４】次に、前述の構成において実際にスクリュ
式押出機の押出を行う場合について説明する。まず、原
料供給口１０から供給された原料６はスクリュ４により
輸送、可塑化及び混練される時にシリンダ１の原料供給
部１Ａ及び原料圧縮部１Ｂで分離発生する原料中の気体
又は液体成分は、前記フィルタ部材２から開弁された弁
１４を介して外部に排気されるが、この状態下におい
て、このフィルタ部材２がシリンダ１の第１内壁面１ａ
から厚さｔだけ離間しているため、この第１内壁面１ａ
とフィルタ部材２間の間隔に相当する厚さｔ分の第１原
料層６Ａが形成される。Next, a case where the screw type extruder is actually extruded in the above configuration will be described. First, when the raw material 6 supplied from the raw material supply port 10 is transported, plasticized, and kneaded by the screw 4, the gas or liquid component in the raw material separated and generated in the raw material supply unit 1A and the raw material compression unit 1B of the cylinder 1 is: The filter member 2 is exhausted to the outside through a valve 14 that has been opened. In this state, the filter member 2 is removed from the first inner wall surface 1a of the cylinder 1.
Is separated from the first inner wall surface 1a by a thickness t.
The first raw material layer 6A having a thickness t corresponding to the distance between the first raw material layer 6A and the filter member 2 is formed.
【００１５】 この第１原料層６Ａが前記第１排出口１
１内に形成されることが極めて重要な意味を有するもの
である。すなわち、この第１原料層６Ａによりシリンダ
１とスクリュ４間で発生する剪断発熱による原料の溶融
化の防止並びに前記第１内壁面１ａにおける原料６の嵩
比重をフィルタ部材２に到達するまでに除々に上げ、原
料６の各粉粒体同志でミクロな空隙を自然に形成し、長
時間にわたり目詰まりなく安定的に原料６中に存在する
気体等を第１排気口１１から分離除去し上流方向への逆
流が無くなるので、高処理能力の運転が可能となる。な
お、この第１原料層６Ａの厚さは、シリンダ１の外径に
もよるが、この外径が４４ｍｍの場合で３ｍｍ必要であ
ることが本出願人の実験の結果判明した。The first raw material layer 6 A is used as the first outlet 1
It is extremely important to form them in the same. That is, the first raw material layer 6A prevents the raw material from melting due to shear heat generated between the cylinder 1 and the screw 4 and gradually reduces the bulk specific gravity of the raw material 6 on the first inner wall surface 1a until the raw material 6 reaches the filter member 2. And naturally forms microscopic voids among the respective powders and granules of the raw material 6, and separates and removes gas and the like existing in the raw material 6 from the first exhaust port 11 stably without clogging for a long period of time. Since there is no backflow to the system, operation with high throughput is possible. The thickness of the first raw material layer 6A depends on the outer diameter of the cylinder 1, but as a result of experiments by the present applicant, it has been found that 3 mm is required when the outer diameter is 44 mm.
【００１６】 また、図３で示す他の実施例の場合、シ
リンダ１の原料供給口１０には原料強制供給装置用スク
リュ２０を有する原料強制供給装置用シリンダ２１が設
けられ、この原料強制供給装置用シリンダ２１の開口よ
りなる第２排気口２２にはフィルタ部材２がこの原料強
制供給装置用シリンダ２１の壁内に位置すると共に、前
記原料強制供給装置用スクリュ２０の軸方向と平行に設
けられている。なお、他の部分は図１と同一部分には同
一符号を付し、その説明は省略する。In the case of another embodiment shown in FIG. 3, a cylinder 21 for a raw material forced supply device having a screw 20 for the raw material forced supply device is provided at the raw material supply port 10 of the cylinder 1. the material strength filter member 2 in the second exhaust port 22 of the opening of the use cylinder 21
It is located in the wall of the cylinder 21
It is provided in parallel with the axial direction of the raw material forced supply device screw 20 . The other portions are denoted by the same reference numerals as those in FIG. 1 and the description thereof is omitted.
【００１７】 さらに、前記原料強制供給装置用シリン
ダ２１の第２内壁面２１ａとこのフィルタ部材２間には
図１の場合と同様に厚さｔ分の間隔が形成されており、
この厚さｔ分の第２原料層６Ｂにより、前述の図１で示
した実施例と同様の作用によって、原料６中に存在する
気体等を第２排気口２２から分離除去することができ
る。なお、前述のスクリュ４の構成としては、１軸及び
２軸何れにも適用可能であると共に、第１排出口１１お
よび第２排出口２１並びにフィルタ部材２も各々複数で
もよく、各部の構成の形状を若干変更した場合でも前述
と同様の作用を得ることができることは述べるまでもな
いことである。Further, an interval of a thickness t is formed between the second inner wall surface 21a of the cylinder 21 for raw material forced supply device and the filter member 2 as in the case of FIG.
With the second material layer 6B having the thickness t, the gas and the like existing in the material 6 can be separated and removed from the second exhaust port 22 by the same operation as the embodiment shown in FIG. In addition, as the configuration of the screw 4 described above, it can be applied to both one axis and two axes, and the first discharge port 11 and the
Preliminary may be a second outlet 21 as well as each plurality filter members 2, it is the absence Needless to mention that it is possible to obtain the same effect as described above even if you change slightly the shape of each part of the configuration.
【００１８】 また、本出願人の実験結果として、表１
に、平均粒子径７０μｍのＨＤＰＥパウダの混練押出の
例を示し、また、表２に平均粒子径１５０μｍのＨＤＰ
Ｅパウダの混練押出の例を示す。この場合の真空度と
は、例えば図１の場合ではフィルタ部材２と蓋１４とに
より形成されるキャビティ内の真空度のことである。使
用した押出機は、本出願人製の二軸押出機ＴＥＸ４４Ｃ
（スクリュ外径φ４４ｍｍ）である。Table 1 shows the experimental results of the present applicant.
Shows an example of kneading and extrusion of HDE E powder having an average particle diameter of 70 μm, and Table 2 shows an HDP E powder having an average particle diameter of 150 μm.
The example of kneading extrusion of E powder is shown. The degree of vacuum in this case is, for example, the degree of vacuum in the cavity formed by the filter member 2 and the lid 14 in the case of FIG. The extruder used was a twin screw extruder TEX44C manufactured by the present applicant.
(Screw outer diameter φ44 mm).
【００１９】[0019]
【表１】 [Table 1]
【００２０】[0020]
【表２】 [Table 2]
【００２１】 また、表３は第１原料層６Ａの厚さと押
出量の変化を示すもので、実験では各条件共に最大運転
時間は１時間しか行っていないが、第１原料層６Ａの厚
みを３ｍｍにすると運転開始時と運転終了時の押出量の
変化は無い。即ち、３ｍｍにすると、スクリーン及び多
孔質フィルタ等の目詰まりはなく長時間（半永久的）に
わたり、安定的に高処理量運転が可能であることが判明
した。Further, Table 3 shows the change in thickness and extrusion rate of the first source layer 6A, the maximum operating time in each condition both in experiments is not performed only 1 hour, the thickness of the first material layer 6A When it is set to 3 mm , there is no change in the extrusion amount at the start of operation and at the end of operation. That is, it was found that when the thickness was set to 3 mm, there was no clogging of the screen, the porous filter, and the like, and a long-time (semi-permanent) high-throughput operation could be performed stably.
【００２２】[0022]
【３表】 [Table 3]
【００２３】[0023]
【考案の効果】本考案によるスクリュ式押出機は、以上
のように構成されているため、次のような効果を得るこ
とができる。すなわち、フィルタ部材の装着位置をシリ
ンダの内壁面から離間したシリンダの壁内に設定し、こ
のフィルタ部材の下部に所定厚さの原料層が形成される
ため、この原料層内に粉粒体同志によるミクロな空隙が
形成され、この空隙によってシリンダとスクリュ間に発
生する剪断発熱による原料の溶融化を防止し、長時間に
わたり目詰まりなく原料中の気体を排除し安定した高処
理能力による運転が可能である。[Effects of the Invention] The screw type extruder according to the present invention is configured as described above, so that the following effects can be obtained. That is, the mounting position of the filter member is set in the cylinder wall separated from the inner wall surface of the cylinder, and a raw material layer having a predetermined thickness is formed below the filter member. Micro gaps are formed, and this gap prevents the raw material from melting due to shear heat generated between the cylinder and the screw, eliminates the gas in the raw material without clogging for a long time, and enables stable operation with high processing capacity. It is possible.
【図１】本考案によるスクリュ式押出機を示す断面図で
ある。FIG. 1 is a sectional view showing a screw type extruder according to the present invention.
【図２】図１の要部の拡大断面図である。FIG. 2 is an enlarged sectional view of a main part of FIG.
【図３】他の実施例を示す断面図である。FIG. 3 is a sectional view showing another embodiment.
【図４】従来のスクリュ式押出機を示す断面図である。FIG. 4 is a sectional view showing a conventional screw type extruder.
【符号の説明】 １ シリンダ １ａ 第１内壁面 ２ フィルタ部材 ６ 原料 ６Ａ 第１原料層 ６Ｂ 第２原料層 １０ 原料供給口 １１ 第１排出口 ｔ 厚さ ２０ 原料強制供給装置用スクリュ ２１ 原料強制供給装置用シリンダ ２１ａ 第２内壁面 ２２ 第２排出口[Description of Signs] 1 Cylinder 1a First inner wall surface 2 Filter member 6 Raw material 6A First raw material layer 6B Second raw material layer 10 Raw material supply port 11 First discharge port t Thickness 20 Screw for raw material forced supply device 21 Raw material forced supply Device cylinder 21a Second inner wall surface 22 Second outlet
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭61−266222（ＪＰ，Ａ) 実開 昭50−142777（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) B29C 47/00 - 47/96──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-61-266222 (JP, A) JP-A-50-142777 (JP, U) (58) Fields investigated (Int. Cl. 6 , DB name) B29C 47/00-47/96
Claims (2)
ら供給される粉粒体からなる原料（６）を前記シリンダ
（１）内に設けられたスクリュ（４）により混練するよ
うにしたスクリュ式押出機において、前記シリンダ
（１）の前記原料供給口（１０）よりも下流側に設けら
れ前記シリンダ（１）に形成された開口よりなる第１排
出口（１１）と、前記第１排出口（１１）に設けられ前
記シリンダ（１）の壁内に位置すると共に、前記スクリ
ュ（４）の軸方向と平行に配設されたフィルタ部材
（２）とを備え、前記フィルタ部材（２）は前記シリン
ダ（１）の第１内壁面（１ａ）から離間した位置に設け
られ、前記第１内壁面（１ａ）と前記フィルタ部材
（２）間の厚さ（ｔ）内には前記原料（６）からなる各
粉粒体同志でミクロな空隙を形成する第１原料層（６
Ａ）が存在し、前記第１原料層（６Ａ）内の前記空隙を
経て前記原料（６）中の気体を前記第１排出口（１１）
から脱気するように構成したことを特徴とするスクリュ
式押出機。And so it kneaded by 1. A cylinder (1) screw feed inlet raw material consisting of granular material that will be supplied from the (10) (6) provided in the cylinder (1) of (4) In the screw type extruder, a first discharge port (11) which is provided downstream of the raw material supply port (10) of the cylinder (1) and has an opening formed in the cylinder (1); A filter member (2) provided at a discharge port (11) and located in a wall of the cylinder (1) and arranged in parallel with an axial direction of the screw (4); ) is provided at a position separated from the first inner wall surface (1a) of the cylinder (1), said in thickness between the said first inner wall surface (1a) the filter member (2) (t) raw material Each consisting of (6)
First raw material layer (6) that forms micro voids between powder and granules
A) is present, the first material layer (6A) wherein via a gap material (6) gas to the first outlet in the (11)
A screw type extruder characterized by being configured to be degassed from a screw.
設けられた原料強制供給装置用スクリュ（２０）を有す
る原料強制供給装置用シリンダ（２１）を介して供給さ
れる粉粒体からなる原料（６）を前記シリンダ（１）内
に設けられたスクリュ（４）により混練するようにした
スクリュ式押出機において、前記原料強制供給装置用シ
リンダ（２１）に形成された開口よりなる第２排出口
（２２）と、前記第２排出口（２２）に設けられ前記原
料強制供給装置用シリンダ（２１）の壁内に位置すると
共に前記原料強制供給装置用スクリュ（２０）の軸方向
と平行に配設されたフィルタ部材（２）とを備え、前記
フィルタ部材（２）は前記原料強制供給装置用シリンダ
（２１）の第２内壁面（２１ａ）から離間した位置に設
けられ、前記第２内壁面（２１ａ）と前記フィルタ部材
（２）間の厚さ（ｔ）内には前記原料（６）からなる各
粉粒体同志でミクロな空隙を形成する第２原料層（６
Ｂ）が存在し、前記第２原料層（６Ｂ）内の前記空隙を
経て前記原料（６）中の気体を前記第２排出口（２２）
から脱気するように構成したことを特徴とするスクリュ
式押出機。From wherein the cylinder (1) raw material supply port (10) is supplied through the raw material forced feeder cylinder (21) having a raw material forced feeder screw for (20) provided in which Ru powder particles of A screw (4) provided in the cylinder (1) for kneading the raw material (6) into a screw-type extruder. 2 discharge port (22), provided in the second discharge port (22), located in the wall of the material forced supply device cylinder (21), and the axial direction of the material forced supply device screw ( 20 ). and a parallel disposed a filter member (2), said filter member (2) is provided at a position spaced from the second inner wall surface of the raw material forced feeder cylinder (21) (21a), said first 2 The inner wall surface (21a) and said filter member (2) thickness between the (t) each consisting of the material (6)
The second material layer to form a micro gap in granule comrades (6
B) is present, said second material layer (6B) gas to the second exhaust port in said material (6) through the gap in (22)
A screw type extruder characterized by being configured to be degassed from a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992029169U JP2585280Y2 (en) | 1992-05-01 | 1992-05-01 | Screw type extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992029169U JP2585280Y2 (en) | 1992-05-01 | 1992-05-01 | Screw type extruder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0586524U JPH0586524U (en) | 1993-11-22 |
| JP2585280Y2 true JP2585280Y2 (en) | 1998-11-18 |
Family
ID=12268743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1992029169U Expired - Lifetime JP2585280Y2 (en) | 1992-05-01 | 1992-05-01 | Screw type extruder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2585280Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014148553A1 (en) | 2013-03-22 | 2014-09-25 | 株式会社日本製鋼所 | Continuous extrusion device based on twin screw extruder |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5467796B2 (en) * | 2009-04-24 | 2014-04-09 | 株式会社三和商会 | Extruder vent apparatus and kneading method using an extruder |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50142777U (en) * | 1974-05-16 | 1975-11-25 | ||
| JPS61266222A (en) * | 1985-05-20 | 1986-11-25 | Diafoil Co Ltd | Extrusion molding and device therefor |
-
1992
- 1992-05-01 JP JP1992029169U patent/JP2585280Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014148553A1 (en) | 2013-03-22 | 2014-09-25 | 株式会社日本製鋼所 | Continuous extrusion device based on twin screw extruder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0586524U (en) | 1993-11-22 |
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