JP2000280325A - Biaxial extruder - Google Patents
Biaxial extruderInfo
- Publication number
- JP2000280325A JP2000280325A JP11088527A JP8852799A JP2000280325A JP 2000280325 A JP2000280325 A JP 2000280325A JP 11088527 A JP11088527 A JP 11088527A JP 8852799 A JP8852799 A JP 8852799A JP 2000280325 A JP2000280325 A JP 2000280325A
- Authority
- JP
- Japan
- Prior art keywords
- hook
- end plate
- contact
- seat
- plate
- 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
- 239000000463 material Substances 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 abstract description 19
- 239000002994 raw material Substances 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002916 wood waste Substances 0.000 description 1
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
- B29C48/505—Screws
- B29C48/535—Screws with thread pitch varying along the longitudinal axis
-
- 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
- B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/41—Intermeshing counter-rotating screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、各種プラスチッ
ク等の廃棄物を混練圧縮（減容化）し、高密度物として
排出したり、又は各種プラスチック等の廃棄物を混練圧
縮、加熱（自己発熱や外部加熱）して、熱可塑性処理物
を軟化、溶融させて非溶融物（木くず、紙くずその他）
等と混合し固形化、減容化して排出する２軸押出機、と
くにその排出する孔を有する端板の圧接構造に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to kneading and compressing (reducing the volume) of various kinds of plastics and the like and discharging them as a high-density material, or kneading and compressing various kinds of plastics and heating (self-heating) Or external heating) to soften and melt the thermoplastic processed material and unmelted material (wood waste, paper waste, etc.)
The present invention relates to a twin-screw extruder for mixing and solidifying, reducing the volume, and discharging, and particularly relates to a pressure contact structure of an end plate having a hole for discharging.
【０００２】[0002]
【従来の技術】この種の２軸押出機は、各種プラスチッ
ク等の廃棄物の減容のみならず、それらの固形燃料化に
も幅広く使用されており、例えば特開平６−２６２６６
４号公報にその一例を挙げることができる。この２軸押
出機は、この発明の一実施例を示す図１乃至図４を参照
して説明すると、胴体１内にその一端から他端に亘って
一対の平行なスクリュー軸２、３を設け、そのスクリュ
ー軸２、３をモータにより歯車機構５を介して相反対方
向に回転し、前記胴体１一端の供給口６から廃棄物等の
原料ａを胴体１内に送り込み、その原料ａを前記スクリ
ュー軸２、３によって搬送しながら圧縮し高密度の処理
物ｂとして胴体１他端の端板７の排出孔８から排出す
る。2. Description of the Related Art A twin-screw extruder of this kind is widely used not only for reducing the volume of waste such as plastics, but also for converting them into solid fuel.
No. 4 discloses an example. This twin-screw extruder will be described with reference to FIGS. 1 to 4 showing an embodiment of the present invention. A pair of parallel screw shafts 2 and 3 are provided in a body 1 from one end to the other end. The screw shafts 2 and 3 are rotated in opposite directions by a motor via a gear mechanism 5 to feed a raw material a such as waste into the body 1 from a supply port 6 at one end of the body 1, and the raw material a is It is compressed while being conveyed by the screw shafts 2 and 3 and discharged as a high-density processed material b from the discharge hole 8 of the end plate 7 at the other end of the body 1.
【０００３】この２軸押出機においては、スクリュー軸
２、３の点検・清掃などのため、図２の一点鎖線で示す
ように、端板７をその一側で胴体１に回転自在に支持
し、その支点１６を介して端板７を回動することによ
り、胴体１の他端面を開放するようになっている。この
ため、同図実線のごとく、その端板７を閉じた際には、
端板７を胴体１他端面に圧接する必要がある。[0003] In this twin-screw extruder, an end plate 7 is rotatably supported on one side of the body 1 as shown by a dashed line in FIG. The other end surface of the body 1 is opened by rotating the end plate 7 via the fulcrum 16. Therefore, when the end plate 7 is closed as shown by the solid line in FIG.
It is necessary to press the end plate 7 against the other end surface of the body 1.
【０００４】この圧接手段としては、一般に上記公報に
記載のごとく、締め付け部材１１を重なり合った胴体１
と端板７のフランジ１ａと７ａに嵌め込む油圧クランプ
機構１０を採用し、その油圧クランプ機構１０を端板７
の上下左右に設けている（図３の符号１０及び２０参
照）。すなわち、その油圧クランプ機構１０は、図７に
示すように、断面コ字状の締め付け部材１１と、その締
め付け部材１１に設けた油圧シリンダ１２とから成り、
その油圧シリンダ１２のピストンロッド１２ａがボルト
１３を介して端板７のフランジ７ａに固定されている。[0004] As the press-contact means, generally, as described in the above-mentioned publication, the body 1 having the fastening members 11 overlapped with each other.
And a hydraulic clamp mechanism 10 fitted to the flanges 1a and 7a of the end plate 7, and the hydraulic clamp mechanism 10 is
(See reference numerals 10 and 20 in FIG. 3). That is, as shown in FIG. 7, the hydraulic clamp mechanism 10 includes a fastening member 11 having a U-shaped cross section and a hydraulic cylinder 12 provided on the fastening member 11.
A piston rod 12 a of the hydraulic cylinder 12 is fixed to a flange 7 a of the end plate 7 via a bolt 13.
【０００５】このため、同図（ａ）に示すように、胴体
１に端板７を重ねた状態で、油圧シリンダ１２内に矢印
のごとく油圧ｐをかけると、シリンダ１２内には矢印の
ごとく油圧がかかり、ピストンロッド１２ａが不動のた
め、締め付け部材１１は矢印のごとく移動して（同図
（ｂ）から（ａ）の状態）、胴体１と端板７のフランジ
１ａ、７ａに嵌合して両者１、７を圧接固定（クラン
プ）する。一方、同図（ｂ）に示すように、油圧シリン
ダ１２内に矢印のごとく油圧ｐをかけると、シリンダ１
２内には矢印のごとく油圧がかかり、締め付け部材１１
は矢印のごとく移動して（同図（ａ）から（ｂ）の状
態）、胴体１と端板７の圧接を開放する。For this reason, as shown in FIG. 1A, when the end plate 7 is placed on the body 1 and a hydraulic pressure p is applied to the hydraulic cylinder 12 as shown by an arrow, the inside of the cylinder 12 becomes as shown by an arrow. Since the hydraulic pressure is applied and the piston rod 12a does not move, the tightening member 11 moves as indicated by the arrow (from the state shown in FIG. 2B to FIG. 2A) and fits into the flanges 1a and 7a of the body 1 and the end plate 7. Then, the two 1 and 7 are pressed and fixed (clamped). On the other hand, as shown in FIG. 2B, when a hydraulic pressure p is applied to the hydraulic cylinder 12 as indicated by an arrow, the cylinder 1
The hydraulic pressure is applied to the inside of the fastening member 11 as shown by the arrow.
Moves as indicated by the arrow (from the state shown in FIG. 7A to the state shown in FIG. 7B) to release the pressure contact between the body 1 and the end plate 7.
【０００６】[0006]
【発明が解決しようとする課題】ところで、上記端板７
を図２一点鎖線のごとく回動して胴体１の他端面を開放
すると、端板７の内面に付着した処理物ｂが落下する。
このため、端板７の下側にある油圧クランプ機構１０に
あっては、その落下した処理物ｂが図７（ａ）で示す締
め付け部材１１内のスペースＳに入り込み、ピストンロ
ッド１２ａ（締め付け部材１１）の動きを妨げる。固化
すれば、上記クランプ作用に支障をきたす。これをなく
すため、従来では、その固化処理物ｂの除去作業を行っ
ているが、スペースＳ内は狭く、その除去作業は煩わし
いものとなっている。The above-mentioned end plate 7
2 is rotated as indicated by the alternate long and short dash line in FIG. 2 and the other end surface of the body 1 is opened, and the processing object b attached to the inner surface of the end plate 7 falls.
For this reason, in the hydraulic clamp mechanism 10 below the end plate 7, the dropped workpiece b enters the space S in the fastening member 11 shown in FIG. 7A, and the piston rod 12a (the fastening member). Hinder the movement of 11). If it is solidified, the above-mentioned clamping action is hindered. In order to eliminate this, conventionally, the work of removing the solidified product b is performed, but the space S is narrow, and the work of removing the solidified product b is troublesome.
【０００７】この発明は、上記実情に鑑み、上記処理物
落下による端板のクランプ作用に支障がないようにする
ことを課題とする。[0007] In view of the above circumstances, it is an object of the present invention to prevent the dropping of the processing object from affecting the end plate clamping action.
【０００８】[0008]
【課題を解決するための手段】上記の課題を解決するた
めに、この発明は、胴体に上下方向に回転自在に取付け
たフックによって端板下縁をクランプするようにしたの
である。胴体に取付けたフックであれば、そのフック内
に流れ出た処理物を容易に除去できるうえに、その流れ
個所は下方であるのに対し、上下に動くフックのクラン
プ個所は端板の側面となって両者は異なり、クランプ作
用には支障がないからである。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, according to the present invention, a lower edge of an end plate is clamped by a hook rotatably mounted on a body in a vertical direction. If the hook is attached to the fuselage, the processed material that has flowed into the hook can be easily removed, and the flow point is at the bottom, while the clamp point of the hook that moves up and down is on the side of the end plate. This is because they differ from each other and do not hinder the clamping action.
【０００９】[0009]
【発明の実施の形態】この発明の一実施形態としては、
胴体内にその一端から他端に亘って一対の平行なスクリ
ュー軸が設けられ、その胴体の他端には複数の排出孔を
有する端板が取付けられ、その端板は一側で回転自在に
支持され、その支点を介して端板を回動することによ
り、胴体の他端面が開閉可能となっており、前記胴体一
端の供給口から原料を胴体内に送り込み、その原料を前
記スクリュー軸によって搬送しながら圧縮し高密度な処
理物として胴体他端の端板排出孔から排出する２軸押出
機において、前記端板下縁の胴体他端面下縁への圧接
を、その胴体にフックを上下方向に回動自在に取付け、
そのフックを回動させ端板下縁側面に係止させて端板を
胴体に押し付けることによりなす構成を採用し得る。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention is as follows.
A pair of parallel screw shafts are provided in the body from one end to the other end, and an end plate having a plurality of discharge holes is attached to the other end of the body, and the end plate is rotatable on one side. Supported, by rotating the end plate through its fulcrum, the other end surface of the fuselage can be opened and closed, the raw material is fed into the fuselage from the supply port at one end of the fuselage, the raw material by the screw shaft In a twin-screw extruder that compresses while conveying and discharges it as a high-density processed material from the end plate discharge hole at the other end of the body, the lower edge of the end plate is pressed against the lower edge of the other end surface of the body, and the hook is vertically moved to the body. To be able to rotate freely in the direction
It is possible to adopt a configuration in which the hook is rotated to be locked on the lower edge side surface of the end plate and the end plate is pressed against the body.
【００１０】この構成においては、フックが下方から上
方に回動してその先で端板下縁側面に当接して端板を胴
体に押し付けて圧接することとなるため、端板から流れ
落ちた処理物は、フックの中央部などに落下しても当接
部となる先端部には落下しない。すなわち、圧接（クラ
ンプ）作用を行うフックの部分には処理物が付着しにく
いため、そのクランプ作用に支障が生じにくい。In this configuration, the hook pivots upward from below and contacts the lower edge side surface of the end plate at the tip thereof to press the end plate against the body to press the end plate. Even if the object falls to the center of the hook or the like, it does not fall to the tip which is the contact portion. That is, since the processed material does not easily adhere to the portion of the hook that performs the pressing (clamping) action, the clamping action is not likely to be affected.
【００１１】この構成において、上記端板の下縁側面に
フックが係止するクランプ座を設け、このクランプ座と
フックのそれぞれの当接面を同一曲率の円弧面に形成
し、前記端板が上記胴体他端面に圧接した際、前記クラ
ンプ座の当接面の曲率中心より下方に前記フックの回転
中心が位置するとともに、フックとクランプ座の両当接
面が面接触するようになっているものとすることができ
る。[0011] In this configuration, a clamp seat is provided on the lower edge side surface of the end plate for engaging a hook, and the contact surfaces of the clamp seat and the hook are formed into arcuate surfaces having the same curvature. When pressed against the other end surface of the body, the center of rotation of the hook is located below the center of curvature of the contact surface of the clamp seat, and both contact surfaces of the hook and the clamp seat are in surface contact. Things.
【００１２】このようにすれば、フックがクランプ座に
円滑に係止するとともに、その係止状態（圧接状態）が
面接触で行われるため、係止作用が安定するとともに、
耐久性の高いものとなる（実施例のフック作用参照）。With this configuration, the hook is smoothly locked to the clamp seat, and the locking state (pressure contact state) is performed by surface contact, so that the locking operation is stabilized, and
The durability is high (see the hook function of the embodiment).
【００１３】[0013]
【実施例】一実施例を図１乃至図７に示し、この実施例
は、上述のように、胴体１内にその一端から他端に亘っ
て一対の平行なスクリュー軸２、３が設けられ、この両
軸２、３は片持ち梁状に支持されて歯車機構（ギヤボッ
クス）５に連結されている。両スクリュー軸２、３のス
クリュー羽根は一方が左捩れ、他方が右捩れになってい
る。このため、モータ４により、歯車機構５を介して両
スクリュー軸２、３が相反対方向に回転されると、供給
口６から投入された原料ａはそのスクリュー軸２、３に
よって搬送されながら圧縮減容されて高精度の処理物ｂ
となる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention is shown in FIGS. 1 to 7. In this embodiment, a pair of parallel screw shafts 2 and 3 are provided in the body 1 from one end to the other end, as described above. The two shafts 2 and 3 are supported in a cantilever shape and connected to a gear mechanism (gear box) 5. One of the screw blades of the screw shafts 2 and 3 is twisted leftward, and the other is twisted rightward. Therefore, when the two screw shafts 2 and 3 are rotated in opposite directions by the motor 4 via the gear mechanism 5, the raw material a supplied from the supply port 6 is compressed while being conveyed by the screw shafts 2 and 3. Reduced volume and high precision processed material b
Becomes
【００１４】胴体１の他端には端板７が取付けられ、こ
の端板７は、その一側上下のブラケット１４が胴体１の
他端のブラケット１５にピン１６を介し連結されてい
る。前記端板７の上側側面のブラケット１４にはアーム
部１４ａを介して胴体１に取付けた油圧シリンダ１７の
ロッド１７ａが連結されており、このシリンダ１７によ
り、前記ピン１６を介して、端板７が図２一点鎖線のご
とく回動されて胴体１他端面を開閉する。また、端板７
内面には摩擦板１８が設けられ、その板１８も通して排
出孔（排出ノズル）８が形成されている。このため、ス
クリュー軸２、３により圧縮減容された処理物ｂがその
排出孔８からステック状に排出される。An end plate 7 is attached to the other end of the body 1, and the end plate 7 has upper and lower brackets 14 connected to a bracket 15 at the other end of the body 1 via pins 16. A rod 17a of a hydraulic cylinder 17 attached to the body 1 is connected to a bracket 14 on an upper side surface of the end plate 7 via an arm portion 14a. Is rotated as shown by the alternate long and short dash line in FIG. Also, the end plate 7
A friction plate 18 is provided on the inner surface, and a discharge hole (discharge nozzle) 8 is formed through the friction plate 18. For this reason, the processed material b compressed and reduced by the screw shafts 2 and 3 is discharged from the discharge hole 8 in a stick shape.
【００１５】端板７の上面及び左右側面には上述の油圧
クランプ機構１０が設けられており、上述の締め付け部
材１１の作用により、端板７を胴体１のフランジ１ａに
圧接したり、その圧接を開放する。図中、１１ａは端板
７に立設されたガイド棒であって、この棒１１ａは締め
付け部材１１に貫通しており、締め付け部材１１がこの
棒１１ａをガイドとして移動する。端板７の下面にはこ
の発明の特徴である下側クランプ機構２０が設けられて
いる。The above-described hydraulic clamp mechanism 10 is provided on the upper surface and the left and right side surfaces of the end plate 7. The end plate 7 is pressed against the flange 1 a of the body 1 by the action of the above-described tightening member 11, To release. In the figure, reference numeral 11a denotes a guide rod provided upright on the end plate 7, which penetrates the tightening member 11, and the tightening member 11 moves using the rod 11a as a guide. The lower surface of the end plate 7 is provided with a lower clamp mechanism 20 which is a feature of the present invention.
【００１６】この下側クランプ機構２０は、胴体１の他
端部下面に回転自在に取付けられた逆コ字状のフック２
１と、胴体１に取付けられたそのフック２１の回動用油
圧シリンダ２２と、そのフック２１の先端が係止する端
板７の下縁側面にビス止めしたクランプ座２３とから成
る。フック２１の胴体１への取付けは、図５、６に示す
ように、胴体１下面の軸受部１ｂにフック２１の軸受部
２１ｂを嵌めてピン２４をその軸受部１ｂ、２１ｂに通
して行っている。また、油圧シリンダ２２とフック２１
は、同図及び図１に示すように、フック２１の下面の軸
部２１ａの両端に油圧シリンダ２２のロッド２２ａを回
転自在に連結している。このため、油圧シリンダ２２の
ロッド２２ａの伸縮によって、図６の実線・鎖線のごと
くフック２１が回動する。The lower clamp mechanism 20 includes an inverted U-shaped hook 2 rotatably mounted on the lower surface of the other end of the body 1.
1, a hydraulic cylinder 22 for rotating the hook 21 attached to the body 1, and a clamp seat 23 screwed to the lower edge side surface of the end plate 7 to which the tip of the hook 21 is locked. 5 and 6, the hook 21 is attached to the body 1 by fitting the bearing 21b of the hook 21 into the bearing 1b on the lower surface of the body 1 and passing the pin 24 through the bearings 1b, 21b. I have. Also, the hydraulic cylinder 22 and the hook 21
As shown in FIG. 1 and FIG. 1, a rod 22a of a hydraulic cylinder 22 is rotatably connected to both ends of a shaft portion 21a on the lower surface of a hook 21. For this reason, the hook 21 rotates as indicated by the solid and chain lines in FIG. 6 due to the expansion and contraction of the rod 22a of the hydraulic cylinder 22.
【００１７】フック２１先端とクランプ座２３のそれぞ
れの当接面２１ｃと２３ｃは、図６に示すように同一曲
率ｒ0 の円弧面に形成され、同図のごとく、胴体１（フ
ランジ１ａ）に端板７が密着（圧接）した際、同二点鎖
線のごとく両当接面２１ｃ、２３ｃがぴったり合って面
接触するようになっている。また、クランプ座２３の当
接面２３ｃの曲率中心Ｏ0 よりｅ長さ下方に前記ピン２
４の中心が位置されている。このため、フック当接面２
１ｃの先端の軸跡は図６のｑのように半径ｒ1の円弧と
なって、クランプ座２３の当接面２３ｃに徐々に近づい
て当接する。すなわち、フック先端は、クランプ座２３
の端に臨んだ際、間隙を有して、さらに回転することに
より近づいて接触する。これにより、フック２１は、ク
ランプ座２３に一点鎖線、実線、二点鎖線のごとく回転
して円滑に係止して面接触により端板７を胴体１に圧接
することとなる。[0017] Each of the abutment surfaces 21c and 23c of the hook 21 tip and the clamp seat 23 is formed in a circular arc surface having the same curvature r 0 as shown in FIG. 6, as in the figure, the body 1 (the flange 1a) When the end plate 7 comes into close contact (pressure contact), the two contact surfaces 21c and 23c are brought into close contact with each other as shown by the two-dot chain line. In addition, the pin 2 is located below the center of curvature O 0 of the contact surface 23 c of the clamp seat 23 by a length e.
Four centers are located. For this reason, the hook contact surface 2
Jikuato of 1c of the tip is an arc of radius r 1 as q in FIG. 6, abut inching closer to the abutment surface 23c of the clamp seat 23. That is, the tip of the hook is
When approaching the edge of, there is a gap, and it comes closer to contact by further rotation. As a result, the hook 21 rotates on the clamp seat 23 as indicated by a one-dot chain line, a solid line, and a two-dot chain line, smoothly engages, and presses the end plate 7 against the body 1 by surface contact.
【００１８】これらのクランプ機構１０、２０により、
端板７の胴体１へのクランプが行われる。すなわち、図
７（ｂ）及び図６の一点鎖線で示す、締め付け部材１１
及びフック２１が端板７から離れている状態で、端板７
が回動されて胴体１他端面が開放される。一方、端板７
が胴体１他端面に当接されて、締め付け部材１１が図７
（ａ）に示すように両フランジ１ａ、７ａに嵌まり、フ
ック２１が図６の実線から二点鎖線のようにクランプ座
２３に係止することにより、端板７が胴体１に圧接固定
（クランプ）される。With these clamp mechanisms 10 and 20,
The end plate 7 is clamped to the body 1. That is, the fastening member 11 shown by the dashed line in FIG. 7B and FIG.
And the hook 21 is separated from the end plate 7,
Is rotated to open the other end surface of the body 1. On the other hand, end plate 7
Is in contact with the other end surface of the body 1 and the fastening member 11 is
As shown in (a), the end plate 7 is press-fitted and fixed to the body 1 by being fitted to both flanges 1a and 7a and hook 21 being locked to the clamp seat 23 as shown by a two-dot chain line from the solid line in FIG. Clamped).
【００１９】端板７の外面には従来と同様に処理物ｂの
定寸切断機構３０が設けられており、この定寸切断機構
３０は、図２に示すように、支持台３１に取付けた回転
刃３２とその駆動モータ３３とから成る。支持台３１の
一端は端板７の他側にブラケット５ｂ及び支持棒３４を
介して回動自在に取付けられ、他端は端板７の一側に回
動自在の支持棒５ｃに貫通しており、その支持棒５ｃに
ハンドル３５をねじ込むことにより、同図実線のごとく
端板７に固定し、そのハンドル３５を取り外すことによ
り、同図二点鎖線のごとく端板７から退去し得る。A fixed size cutting mechanism 30 for the processed material b is provided on the outer surface of the end plate 7 as in the prior art, and this fixed size cutting mechanism 30 is attached to a support table 31 as shown in FIG. It comprises a rotary blade 32 and a drive motor 33 thereof. One end of the support base 31 is rotatably mounted on the other side of the end plate 7 via a bracket 5b and a support rod 34, and the other end penetrates a rotatable support rod 5c on one side of the end plate 7. The handle 35 is fixed to the end plate 7 by screwing the handle 35 into the support rod 5c as shown by the solid line in the figure, and can be retreated from the end plate 7 by removing the handle 35 as shown by the two-dot chain line in the figure.
【００２０】回転刃３２は、左右にそれぞれ一つづつ設
けられており、モータ３３の回転力がチェーン３６を介
し伝達されて回転し、上述の排出孔８から排出されるス
テック状処理物ｂを切断してチップ状とする。The rotating blades 32 are provided one by one on each of the left and right sides. The rotating blade 32 rotates by transmitting the rotational force of a motor 33 via a chain 36 to rotate the stick-like processed material b discharged from the discharge hole 8. Cut into chips.
【００２１】実施例では、端板７下部のクランプのみを
フック２１によるもの２０としたが、左右、上部又は全
てをフック２１によるクランプ機構２０とし得る。In the embodiment, only the clamp 20 at the lower portion of the end plate 7 is formed by the hook 21.
【００２２】[0022]
【発明の効果】この発明は、以上のように、端板下部の
クランプを上下に動くフックで行うようにしたので、端
板開放時に流れ落ちる処理物によるクランプ不良が生じ
る恐れが極力少なくなる。As described above, according to the present invention, since the clamp at the lower portion of the end plate is performed by the hook that moves up and down, the possibility of the occurrence of defective clamping due to the workpiece flowing down when the end plate is opened is minimized.
【図１】一実施例の正面図FIG. 1 is a front view of one embodiment.
【図２】同実施例の要部平面図FIG. 2 is a plan view of a main part of the embodiment.
【図３】同実施例の右側面図FIG. 3 is a right side view of the embodiment.
【図４】同実施例の要部切断平面図FIG. 4 is a cutaway plan view of a main part of the embodiment.
【図５】図１のＸ−Ｘ線の要部断面図FIG. 5 is a sectional view of an essential part taken along line XX of FIG. 1;
【図６】同実施例の作用図FIG. 6 is an operation diagram of the embodiment.
【図７】同実施例の油圧クランプ機構の作用図FIG. 7 is an operation diagram of the hydraulic clamp mechanism of the embodiment.
１ 胴体 ２、３ スクリュー軸 ４ 駆動モータ ６ 原料供給口 ７ 端板 ８ 排出孔 １０ 油圧クランプ機構 １１ 締め付け部材 １２ 油圧シリンダ １７ 端板開閉用油圧シリンダ ２０ 端板下側クランプ機構 ２１ フック ２２ フック回動用油圧シリンダ ２３ 端板クランプ座 ２１ｃ、２３ｃ 円弧状当接面 ａ 原料（廃棄物） ｂ 処理物 DESCRIPTION OF SYMBOLS 1 Body 2, 3 Screw shaft 4 Drive motor 6 Raw material supply port 7 End plate 8 Discharge hole 10 Hydraulic clamp mechanism 11 Tightening member 12 Hydraulic cylinder 17 End plate opening / closing hydraulic cylinder 20 End plate lower side clamp mechanism 21 Hook 22 Hook rotation Hydraulic cylinder 23 End plate clamp seat 21c, 23c Arc contact surface a Raw material (waste) b Processed material
Claims (2)
対の平行なスクリュー軸２、３が設けられ、その胴体１
の他端には複数の排出孔８を有する端板７が取付けら
れ、その端板７は一側で回転自在に支持され、その支点
を介して端板７を回動することにより、胴体１の他端面
が開閉可能となっており、前記胴体１一端の供給口６か
ら原料ａを胴体１内に送り込み、その原料ａを前記スク
リュー軸２、３によって搬送しながら圧縮し高密度の処
理物ｂとして前記胴体１他端の端板排出孔８から排出す
る２軸押出機であって、 上記端板７下縁の胴体１他端面下縁への圧接を、その胴
体１にフック２１を上下方向に回動自在に取付け、その
フック２１を回動させ端板７下縁側面に係止させて端板
７を胴体１に押し付けることによりなすようにしたこと
を特徴とする２軸押出機。A pair of parallel screw shafts (2, 3) are provided in a body (1) from one end to the other end thereof.
An end plate 7 having a plurality of discharge holes 8 is attached to the other end of the body 1. The end plate 7 is rotatably supported on one side, and the end plate 7 is rotated through its fulcrum, whereby the body 1 is rotated. The material a is fed into the body 1 through a supply port 6 at one end of the body 1, and the material a is compressed while being conveyed by the screw shafts 2 and 3 so as to be processed at a high density. b, a twin-screw extruder that discharges from the end plate discharge hole 8 at the other end of the body 1 by pressing the lower edge of the end plate 7 against the lower edge of the other end surface of the body 1 and vertically moving the hook 21 to the body 1 A twin-screw extruder characterized in that the end plate 7 is pressed against the body 1 by rotating the hook 21 so as to be engaged with the lower edge side surface of the end plate 7 so as to be rotatable in the direction.
が係止するクランプ座２３を設け、このクランプ座２３
と前記フック２１のそれぞれの当接面２３ｃ、２１ｃを
同一曲率の円弧面に形成し、前記端板７が上記胴体１他
端面に圧接した際、前記クランプ座２３の当接面２３ｃ
の曲率中心Ｏ0 より下方に前記フック２１の回転中心Ｏ
1 が位置するとともに、フック２１とクランプ座２３の
両当接面２１ｃ、２３ｃが面接触するようになっている
ことを特徴とする請求項１に記載の２軸押出機。2. The hook 21 is provided on a lower edge side surface of the end plate 7.
Is provided, and the clamp seat 23 is provided.
And the respective contact surfaces 23c, 21c of the hook 21 are formed in an arc surface having the same curvature, and when the end plate 7 is pressed against the other end surface of the body 1, the contact surface 23c of the clamp seat 23 is formed.
Below the center of curvature O 0 of the hook 21.
The twin-screw extruder according to claim 1, wherein 1 is located, and both contact surfaces 21c, 23c of the hook 21 and the clamp seat 23 are in surface contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08852799A JP3550313B2 (en) | 1999-03-30 | 1999-03-30 | Twin screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08852799A JP3550313B2 (en) | 1999-03-30 | 1999-03-30 | Twin screw extruder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000280325A true JP2000280325A (en) | 2000-10-10 |
| JP3550313B2 JP3550313B2 (en) | 2004-08-04 |
Family
ID=13945323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08852799A Expired - Fee Related JP3550313B2 (en) | 1999-03-30 | 1999-03-30 | Twin screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3550313B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009066998A (en) * | 2007-09-14 | 2009-04-02 | Daikoo:Kk | Twin-screw extrusion molding machine |
| JP2009066997A (en) * | 2007-09-14 | 2009-04-02 | Daikoo:Kk | Twin-screw extrusion molding machine |
-
1999
- 1999-03-30 JP JP08852799A patent/JP3550313B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009066998A (en) * | 2007-09-14 | 2009-04-02 | Daikoo:Kk | Twin-screw extrusion molding machine |
| JP2009066997A (en) * | 2007-09-14 | 2009-04-02 | Daikoo:Kk | Twin-screw extrusion molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3550313B2 (en) | 2004-08-04 |
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