JP2005219254A - Cap of extruder and method for altering size thereof - Google Patents

Cap of extruder and method for altering size thereof Download PDF

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JP2005219254A
JP2005219254A JP2004027595A JP2004027595A JP2005219254A JP 2005219254 A JP2005219254 A JP 2005219254A JP 2004027595 A JP2004027595 A JP 2004027595A JP 2004027595 A JP2004027595 A JP 2004027595A JP 2005219254 A JP2005219254 A JP 2005219254A
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die
flow path
extruder
hole
outlet opening
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JP4488758B2 (en
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Yuichiro Ogawa
裕一郎 小川
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Bridgestone Corp
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Bridgestone Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To reduce an equipment cost and to prevent the lowering of productivity at the time of alteration of the outlet opening dimension of the cap of the extruder while facilitating the automatic alteration of the outlet opening dimension of the cap. <P>SOLUTION: In altering the cross-sectional surface shape of an extrusion material molded by the cap 14 attached to the leading end of the extruder, the flow channel control blocks 5a and 5b in the cap 14 are displaced to change the dimension of the outlet opening dimension 15 of the cap 14. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

この発明は、ゴム材料、プラスチック材料等の押出し素材に所要の横断面形状を付与する、押出機の口金サイズ変更方法およびそれに用いる口金に関するものである。   The present invention relates to a die size changing method for an extruder and a die used therefor, which gives a required cross-sectional shape to an extruded material such as a rubber material or a plastic material.

たとえば図6に略線斜視図で示すように、押出機111の先端に、たとえばシリンダ作動のクランパ112または、ボルトその他固定手段によって取付けられて、押出し素材を特定の横断面形状に成形する口金113は、それによって成形される材料114の形状変更の度毎に、作業者の手作業をもって押出機111に対して脱着交換することが一般的であった。   For example, as shown in a schematic perspective view in FIG. 6, a base 113 is attached to the tip of the extruder 111 by, for example, a cylinder-operated clamper 112 or a bolt or other fixing means to form an extruded material into a specific cross-sectional shape. In general, each time the shape of the material 114 to be molded is changed, it is generally attached to and detached from the extruder 111 by an operator's manual work.

しかるに、このような従来技術にあっては、出口開口の形状、寸法等の異なる多数の口金113を予め準備することが必要になるため設備コストが嵩むという問題があり、また、口金113の脱着交換作業に長い時間がかかるため、押出機111の稼動効率が低くなって成形材料114の生産性が悪いという問題があり、さらには、成形材料114の形状等の自動的な変更が不可能であるという問題もあった。   However, in such a conventional technique, it is necessary to prepare in advance a large number of bases 113 having different shapes and dimensions of the outlet openings, so that there is a problem that the equipment cost increases. Since the replacement work takes a long time, there is a problem that the operating efficiency of the extruder 111 is lowered and the productivity of the molding material 114 is poor, and further, the shape of the molding material 114 cannot be automatically changed. There was also a problem.

この発明は、従来技術が抱えるこのような問題点を解決することを課題としてなされたものであり、それの目的とするところは、設備コストの十分な低減を実現するとともに、口金の出口開口寸法の変更に際する生産性の低下を有効に防止し、また、その出口開口寸法の自動的な変更を容易とした、押出機の口金のサイズ変更方法およびそれに用いる口金を提供するにある。   The present invention has been made with the object of solving such problems of the prior art, and the object of the invention is to realize a sufficient reduction in equipment cost and the size of the outlet opening of the base. It is an object of the present invention to provide a method for changing the size of a die of an extruder and a die used therefor, which can effectively prevent a decrease in productivity when changing the size of the extruder, and facilitate the automatic change of the size of the outlet opening.

この発明に係る、押出機の口金のサイズ変更方法は、押出機の先端に取付けた口金によって成形される押出し素材の横断面形状を変更するに当って、口金内に設けた流路規制ブロックを、動力を用いてまたは手動操作によって変位させて、口金の出口開口寸法を変化させるにある。   According to the present invention, the size change method of the die of the extruder includes a flow path restriction block provided in the die when changing the cross-sectional shape of the extruded material formed by the die attached to the tip of the extruder. The size of the outlet opening of the base is changed by displacing with power or by manual operation.

この場合、口金内に設けた一個以上の流路規制ブロックの各々を独立に変位させ得ることはもちろんであるが、好ましくは、口金内の各対の流路規制ブロックのそれぞれを、相互の同期下で変位させる。   In this case, of course, each of the one or more flow path restriction blocks provided in the base can be displaced independently. Preferably, each pair of flow path restriction blocks in the base is preferably synchronized with each other. Displace below.

ここで、流路規制ブロックの変位方向は、出口開口の幅方向もしくは、その方向と直交する開口ギャップ方向とすることができる。   Here, the displacement direction of the flow path regulating block can be the width direction of the outlet opening or the opening gap direction orthogonal to the direction.

また、この発明に係る、押出機の口金は、押出機の先端に取付けられて押出し素材を所要の横断面形状に成形する口金を、押出し流路の画成に寄与する、断面形状が多角形、長円形等をなす一の貫通穴を設けた口金本体と、その貫通穴内に、それの幅方向および、その幅方向と直交するギャップ方向の少なくとも一方向に変位可能に配設されて、口金の出口開口寸法を特定する一個以上の流路規制ブロックとで構成したものである。   Further, according to the present invention, the die of the extruder is attached to the tip of the extruder, and the die for forming the extruded material into a required cross-sectional shape contributes to the definition of the extrusion flow path. A base body provided with one through hole that forms an oval shape, and the base body is disposed in the through hole so as to be displaceable in at least one direction of the width direction and the gap direction perpendicular to the width direction. And one or more flow path regulating blocks that specify the outlet opening dimensions of the outlet.

ここで好ましくは、口金本体の貫通穴の寸法を、たとえば、それの幅方向の一もしくは二壁面または、その幅方向と直交する方向の一もしくは二壁面で、下流側に向けて、傾斜面をもって漸減させるとともに、流路規制ブロックの、貫通穴傾斜面との対向面を、その傾斜面と対応する傾斜面とする。   Preferably, the size of the through hole of the base body is, for example, one or two wall surfaces in the width direction thereof, or one or two wall surfaces in a direction perpendicular to the width direction, with an inclined surface toward the downstream side. While gradually decreasing, the surface of the flow path regulating block that faces the inclined surface of the through hole is an inclined surface corresponding to the inclined surface.

また、貫通穴内には少なくとも一対の流路規制ブロックを配設することが好ましく、この場合には、各対の流路規制ブロックの同期作動機構を設けることが好ましい。   In addition, it is preferable to dispose at least a pair of flow path restriction blocks in the through hole. In this case, it is preferable to provide a synchronous operation mechanism for each pair of flow path restriction blocks.

この発明に係るサイズ変更方向では、一の口金内に予め配設した一もしくは複数の流路規制ブロックをその口金内で変位させることで、口金の出口開口寸法を所要に応じて種々に変化させることができるので、口金の出口開口を経て押出し成形される成形材料の形状変更等の度毎に口金を脱着交換することが不要になるのみならず、押出機の作動を継続したままで流路規制ブロックを変位させて出口開口寸法を変化させることも可能となる。   In the size changing direction according to the present invention, the outlet opening dimension of the base is changed variously as required by displacing one or a plurality of flow path regulating blocks disposed in advance in the base. Therefore, it is not necessary to remove and replace the die every time the shape of the molding material extruded through the outlet opening of the die is changed, and the flow path can be maintained while the operation of the extruder is continued. It is also possible to change the outlet opening size by displacing the regulating block.

従って、この方法によれば、多数の口金の準備が不要となって、設備コストを有効に低減させることができ、また、口金の脱着交換に起因する生産性の低下を有効に防止することができ、さらには、流路規制ブロックの変位を電気的手段、機械的手段等をもって、コントロールすることで、口金の出口開口寸法の自動的な変更を簡単に行うことができる。   Therefore, according to this method, it is not necessary to prepare a large number of bases, and it is possible to effectively reduce the equipment cost, and it is possible to effectively prevent a decrease in productivity due to the replacement of the bases. In addition, by automatically controlling the displacement of the flow path regulating block by means of electrical means, mechanical means, etc., it is possible to easily change the size of the outlet opening of the die.

なおこのような方法の実施に当って、口金内の各対の流路規制ブロックのそれぞれを、相互の同期下で、同時に等量ずつ変位させる場合には、口金の出口開口を、高い精度をもって押出機と常に同芯に維持することができ、押出し成形材料に、それの真直性をも含めて、所期した通りの形状を確実に付与することができる。   In carrying out such a method, when each of the pair of flow path regulating blocks in the base is simultaneously displaced by an equal amount under mutual synchronization, the outlet opening of the base is highly accurate. It can always be kept concentric with the extruder, and the extruded material can be reliably imparted with the expected shape, including its straightness.

ところで、流路規制ブロックは、出口開口の幅方向に変位させることの他、それの開口ギャップ方向に変位させることもでき、前者によれば、押出し成形材料の幅寸法および側面形状を変化させることができ、後者によればその成形材料の厚み寸法および表裏面形状を変化させることができる。   By the way, the flow path regulation block can be displaced in the opening gap direction in addition to being displaced in the width direction of the outlet opening. According to the former, the width dimension and the side surface shape of the extrusion molding material can be changed. According to the latter, the thickness dimension and front and back surface shapes of the molding material can be changed.

また、この発明に係る口金では、口金本体の貫通穴内に配設した一個以上の流路規制ブロックを、その貫通穴内で所要に応じて変位させることによって、上記の方法を確実にかつ容易に実施することができ、先に述べたところと同様の作用効果をもたらすことができる。   Further, in the base according to the present invention, the above method is reliably and easily carried out by displacing one or more flow path regulating blocks disposed in the through hole of the base body in the through hole as required. It is possible to achieve the same operational effects as described above.

なおこの口金において、流路規制ブロックの、貫通穴傾斜面との対向面を、下流側に向けて貫通穴を先細りにするその貫通穴傾斜面と対応する傾斜面としたときは、押出し素材の、貫通穴への流動に当って、その押出し素材が流路規制ブロックに、流動抵抗、粘性抵抗等に起因する、下流側に向く力を及ぼすことに基き、流路規制ブロックが、その傾斜面をもって貫通穴傾斜面に密着することになるので、貫通穴内の押出し素材の加圧力を高めてなお、その押出し素材の、両傾斜面間からの洩出のおそれを有利に取り除くことができる。
この一方で、貫通穴から、押出し素材それ自体または、押出し素材内圧が除去された場合には、流路規制ブロックを容易に変位させることができる。
In this base, when the surface of the flow path regulating block facing the through hole inclined surface is an inclined surface corresponding to the through hole inclined surface that tapers the through hole toward the downstream side, In the flow to the through hole, the extruded material exerts a force directed to the downstream side due to flow resistance, viscous resistance, etc. on the flow path restriction block, so that the flow path restriction block has its inclined surface Therefore, it is possible to advantageously eliminate the possibility of leakage of the extruded material from between the two inclined surfaces even when the pressure of the extruded material in the through hole is increased.
On the other hand, when the extruded material itself or the extruded material internal pressure is removed from the through hole, the flow path regulating block can be easily displaced.

またここで、貫通穴内に一対の流路規制ブロックを配設した場合には、それらを同期作動させることで、先に述べたと同様に、所期した通りの成形材料を製造することができる。この一方で、それらを所要に応じて別個独立に作動させる場合には、貫通穴中心線に対して、たとえば、幅方向もしくは厚み方向に非対称形状となる成形材料を製造することも可能となる。
そして、二対以上の流路規制ブロックを貫通穴内に配設した場合は、各対のブロックを所要に応じて変位させることで、成形材料の形状および寸法の選択の自由度より高めることができ、成形形状をより複雑なものとすることができる。
Further, here, when a pair of flow path regulating blocks are disposed in the through hole, the molding material as expected can be manufactured by operating them synchronously as described above. On the other hand, if they are operated independently as required, it is possible to manufacture a molding material having an asymmetric shape in the width direction or the thickness direction, for example, with respect to the through hole center line.
And when two or more pairs of flow restricting blocks are arranged in the through holes, the degree of freedom in selecting the shape and dimensions of the molding material can be increased by displacing each pair of blocks as required. The molding shape can be made more complicated.

ところで、対をなす流路規制ブロックを貫通穴内に配設した場合は、各対のブロックの同期作動機構を設けることで、対をなすブロックのそれぞれを同時に等量ずつ変位させることができる。   By the way, in the case where the pair of flow path regulating blocks are disposed in the through-hole, by providing a synchronous operation mechanism for each pair of blocks, each of the paired blocks can be displaced by an equal amount simultaneously.

図1は、この発明に係る口金の実施形態を示す斜視図であり、図中1は口金本体を示す。   FIG. 1 is a perspective view showing an embodiment of a base according to the present invention, in which 1 denotes a base body.

この口金本体1は、図の斜め前後方向に延在してそれに貫通する、図2に、図1のII−II線に沿う縦断面図で示すような貫通穴2を有するとともに、その後端部に、図の上下方向に突出する、押出機への取付けのためのそれぞれのフランジ3を有する。
ここで貫通穴2は、押出機からの押出し素材を、口金本体1の先端開口、ひいては、口金の出口開口に導くための押出流路の画成に寄与する。
The base body 1 has a through hole 2 as shown in a longitudinal sectional view taken along the line II-II in FIG. And have respective flanges 3 projecting in the vertical direction in the figure for attachment to the extruder.
Here, the through hole 2 contributes to the definition of the extrusion flow path for guiding the extruded material from the extruder to the tip opening of the base body 1 and eventually to the outlet opening of the base.

そしてここでは、横断面形状を方形としたかかる貫通穴2の幅寸法をその全長にわたって一定とする一方で、それの幅方向と直交する、図2の上下方向の寸法を、図示のように、対向する相互の壁面が、貫通穴2の下流側に向けてテーパ状に漸次接近して延在するそれぞれの傾斜面4a,4bとなるように形成することで、先端側に向けて次第に小さくする。   And here, while making the width dimension of such a through-hole 2 having a square cross-sectional shape constant over its entire length, the dimension in the vertical direction in FIG. The opposing wall surfaces are formed so as to be inclined surfaces 4a and 4b extending gradually approaching in a tapered shape toward the downstream side of the through hole 2, thereby gradually decreasing toward the tip side. .

口金本体1のこのような貫通穴2内に、たとえば図3に斜視図で示すような一対の流路規制ブロック5a,5bを収納配置し、これらの各ブロック5a,5bに突設形成した、たとえば板状、柱状等とすることができる外部操作部6a,6bを、図1に示すように、口金本体1の各側壁1aの開口から外側へ突出させるとともに、その側壁開口に対して、内外側方向へ円滑に摺動変位可能とする。   In such a through hole 2 of the base body 1, for example, a pair of flow path restriction blocks 5 a and 5 b as shown in a perspective view in FIG. 3 is accommodated and formed so as to project from these blocks 5 a and 5 b. For example, as shown in FIG. 1, the external operation portions 6a and 6b, which can be formed into a plate shape, a column shape, or the like, project outward from the openings of the side walls 1a of the base body 1, and Enables smooth displacement in the outward direction.

外部操作部6a,6bのこのような摺動変位、ひいては、流路規制ブロック5a,5bの、貫通穴中心に対する進退変位をもたらすべく、ここでは、外部操作部6a,6bに、その外端面に開口する雌ねじ部7を設けるとともに、各雌ねじ部7に、図1に示すところではチャンネル状をなす支持フレーム8の直立壁部8aに回転自在に取付けた雄ねじ部材9を螺合させる。   In order to bring about such sliding displacement of the external operation parts 6a and 6b, and hence advance and retreat displacement of the flow path regulating blocks 5a and 5b with respect to the center of the through hole, here, the external operation parts 6a and 6b are provided on the outer end surfaces thereof. While providing the internal thread part 7 which opens, the external thread member 9 rotatably attached to the upright wall part 8a of the support frame 8 which makes a channel shape in the place shown in FIG.

これによれば、雄ねじ部材9の回動運動によって、外部操作部6a,6bを、支持フレーム8の直立壁部8aに対して接近および離隔変位させることで、流路規制ブロック5a,5bを貫通穴中心線に対して離隔および接近変位させることができる。   According to this, the external operation portions 6a and 6b are moved closer to and away from the upright wall portion 8a of the support frame 8 by the rotational movement of the male screw member 9, thereby penetrating the flow path regulating blocks 5a and 5b. It can be separated and approached to the hole center line.

ここで、対をなす流路規制ブロック5a,5bの、相互に同期した変位は、それぞれのブロック5a,5bのための雌ねじ部材7および雄ねじ部材9のリードの向きを相互に逆にした状態で、たとえば、各雄ねじ部材9に取付けた歯車10を、駆動軸11の両端に固定した歯車12に噛合させてなる同期作動機構を用い、その駆動軸11を所要の方向へ所要の角度範囲にわたって回動させることによって行わせることができる。   Here, the displacement of the pair of flow path regulating blocks 5a and 5b synchronized with each other is such that the lead directions of the female screw member 7 and the male screw member 9 for the respective blocks 5a and 5b are reversed. For example, using a synchronous operation mechanism in which gears 10 attached to each male screw member 9 are engaged with gears 12 fixed to both ends of the drive shaft 11, the drive shaft 11 is rotated in a required direction over a required angle range. It can be done by moving.

ところで、貫通穴2内でこのように変位させることができる流路規制ブロック5a,5bそれ自体は、たとえば図3に示すように、貫通穴2の傾斜面4a,4bとの対向面を、その貫通穴傾斜面4a,4bと対応する勾配をもつ傾斜面13a,13bとする。
なおここで、ブロック傾斜面は、貫通穴傾斜面の形成態様との関連の下で、図の上下いずれか一方側にのみに形成することもできる。
By the way, the flow path regulating blocks 5a and 5b themselves that can be displaced in this way in the through hole 2 are, as shown in FIG. 3, for example, the surfaces facing the inclined surfaces 4a and 4b of the through hole 2 The inclined surfaces 13a and 13b have gradients corresponding to the through-hole inclined surfaces 4a and 4b.
Here, the block inclined surface can be formed only on one of the upper and lower sides of the figure in relation to the formation mode of the through hole inclined surface.

かかる各流路規制ブロック5a,5bの、前後の端面および、外部操作部6a,6bを突設させた側面はいずれも、図3に示す姿勢の下で垂直面とすることができ、また、それぞれのブロック5a,5bの相互の対向側面は、押出し成形される素材の、所要の成形形状との関連の下で適宜に選択することができる。従って、図に示すところでは、正面視で円弧形状とした対向側面の先端形状を、横向きのV字形状、へ字形状等とすることができる他、鈎形状、ステップ形状等とすることもできる。
そして、これらのいずれの場合に合っても、対向側面の相互間隔が、貫通穴2の下流側に向けて次第に接近する形成態様とすることが好ましい。
The front and rear end faces of each of the flow path regulating blocks 5a and 5b and the side surfaces on which the external operation portions 6a and 6b are projected can all be vertical surfaces under the posture shown in FIG. The mutually opposing side surfaces of the respective blocks 5a and 5b can be appropriately selected in relation to a required molding shape of the material to be extruded. Therefore, as shown in the drawing, the front end shape of the opposing side surface that has an arc shape when viewed from the front can be a laterally V-shaped, a hemispherical shape, or the like, or can be a saddle shape, a step shape, or the like. .
And it is preferable to set it as the formation aspect which the mutual space | interval of an opposing side surface approaches gradually toward the downstream of the through-hole 2 also in any of these cases.

図1は、対をなすこのような流路規制ブロック5a,5bを、口金本体1に組み付けてなる口金14を、同期作動機構とともに示す図であり、図示のこの口金14では、押出流路の上下両面は貫通穴傾斜面4a,4bによって、そしてその左右の側面は、流路規制ブロック5a,5bの相互の対向側面によってそれぞれ画成されることになる。   FIG. 1 is a view showing a base 14 formed by assembling a pair of such flow path regulating blocks 5a and 5b to a base body 1 together with a synchronous operation mechanism. In the illustrated base 14 shown in FIG. The upper and lower surfaces are defined by the through-hole inclined surfaces 4a and 4b, and the left and right side surfaces thereof are defined by the mutually opposing side surfaces of the flow path regulating blocks 5a and 5b, respectively.

従って、両ブロック5a,5bのそれぞれを、図4(a)に示すように限界位置まで離隔変位させることで、口金14の出口開口15を最大幅とすることができ、また、図4(b)に示すように、両ブロック5a,5bを相互に近接変位させることで、出口開口15の幅を所要に応じて狭めることができる。
そして出口開口幅のこのような変更は、押出機の停止中のみならず、作動中にもまた行うことができる。
Accordingly, the outlet opening 15 of the base 14 can be set to the maximum width by displacing each of the blocks 5a and 5b to the limit position as shown in FIG. 4A, and FIG. ), The width of the outlet opening 15 can be reduced as required by moving both blocks 5a and 5b close to each other.
Such a change in the outlet opening width can be made not only during the stop of the extruder but also during operation.

かくして、この口金14によれば、出口開口寸法の変更により、一の口金をもって各種の寸法の材料を押出成形することができるので、多数の口金の予めの準備が必要となる従来技術に比して設備コストを有効に低減させることができ、また、出口開口寸法の変更を短時間のうちに行って、成形材料の生産性を大きく向上させることができる。加えて、口金のサイズ変更、いいかえれば、それの出口開口寸法の変更を、たとえば駆動軸11の作動制御によって簡易に自動化することができる。   Thus, according to the base 14, materials of various dimensions can be extruded with a single base by changing the outlet opening size, so that the number of bases in advance needs to be adjusted in comparison with the prior art. Thus, the facility cost can be effectively reduced, and the outlet opening size can be changed in a short time, and the productivity of the molding material can be greatly improved. In addition, the size change of the base, in other words, the change in the size of the outlet opening can be easily automated by, for example, operation control of the drive shaft 11.

以上、口金14の出口開口15の幅寸法を変更する場合について説明したが、たとえば、流路規制ブロックの一個もしくは二個を、貫通穴の上下方向に変位可能に配設した場合には、出口開口の開口ギャップ、ひいては、成形材料の厚みを所要に応じて変更することができる。
なおこの場合には、貫通穴の少なくとも一方の側壁を、下流側に向けて流路を狭める方向に傾斜面とし、その傾斜面と対向するブロック表面を、貫通穴傾斜面と対応する傾斜面とすることが好ましい。
As described above, the case where the width dimension of the outlet opening 15 of the base 14 is changed has been described. For example, when one or two flow path regulation blocks are arranged to be displaceable in the vertical direction of the through hole, the outlet The opening gap of the opening and thus the thickness of the molding material can be changed as required.
In this case, at least one side wall of the through hole is an inclined surface in the direction of narrowing the flow path toward the downstream side, and the block surface facing the inclined surface is an inclined surface corresponding to the through hole inclined surface. It is preferable to do.

図5は、上述したところの変更例を要部について示す略線正面図であり、図5(a)に示すところは、貫通穴2内に、相互に対をなす上段側の流路規制ブロック16a,16bと、下段側の流路規制ブロック17a,17bとを二段重ねに配設したものである。
また、図5(b)に示す例は、貫通穴2内に、上下に対をなす一方側の流路規制ブロック18a,18bと、他方側の流路規制ブロック19a,19bとを、図の左右方向に隣接させて配設したものである。
FIG. 5 is a schematic front view showing the main part of the modified example described above. FIG. 5A shows an upper-stage flow path regulation block that is paired with each other in the through hole 2. 16a, 16b and lower flow path restriction blocks 17a, 17b are arranged in two layers.
Further, in the example shown in FIG. 5 (b), the flow path restriction blocks 18a and 18b on one side and the flow path restriction blocks 19a and 19b on the other side which are paired up and down in the through hole 2 are They are arranged adjacent to each other in the left-right direction.

これらのいずれの口金14においても、一対のブロックを、他の対のブロックから独立させて変位させることで、口金14の出口開口15の輪郭形状、ひいては、押出成形材料の形状の選択の自由度を大きく高めることができ、このことは、貫通穴内に、二対を越える数もしくは対の流路規制ブロックを配設した場合により効果的である。   In any of these caps 14, a pair of blocks are displaced independently of the other pairs of blocks, thereby allowing the degree of freedom in selecting the contour shape of the outlet opening 15 of the cap 14, and hence the shape of the extrusion molding material. Can be greatly increased, and this is more effective in the case where more than two pairs or pairs of flow path regulating blocks are disposed in the through hole.

なお図示はしないが、貫通穴内に配設した一個もしくは複数個の流路規制ブロックの各々を、図の上下および左右の両方向に変位可能に構成することもできる。   Although not shown, each of the one or a plurality of flow path regulating blocks disposed in the through hole can be configured to be displaceable in both the vertical and horizontal directions in the drawing.

口金の実施形態を示す斜視図である。It is a perspective view which shows embodiment of a nozzle | cap | die. 図1のII−II線に沿う口金本体の縦断面図である。It is a longitudinal cross-sectional view of the nozzle | cap | die main body which follows the II-II line | wire of FIG. 一対の流路規制ブロックを例示する斜視図である。It is a perspective view which illustrates a pair of channel regulation blocks. 口金の出口開口寸法の変更例を示す正面図である。It is a front view which shows the example of a change of the exit opening dimension of a nozzle | cap | die. 流路規制ブロックの他の配設例を要部について示す略線正面図である。It is a basic diagram front view which shows the other example of arrangement | positioning of a flow-path control block about a principal part. 従来の口金を押出機への取付け状態で示す略線斜視図である。It is a basic-line perspective view which shows the conventional nozzle | cap | die in the attachment state to an extruder.

符号の説明Explanation of symbols

1 口金本体
2 貫通穴
3 フランジ
4a,4b 貫通穴傾斜面
5a,5b,16a,16b,17a,17b,18a,18b,19a,19b 流路規制ブロック
6a,6b 外部操作部
7 雌ねじ部
8 支持フレーム
8a 直立壁部
9 雄ねじ部
10,12 歯車
11 駆動軸
13a,13b 傾斜面
14 口金
15 出口開口
DESCRIPTION OF SYMBOLS 1 Base body 2 Through-hole 3 Flange 4a, 4b Through-hole inclined surface 5a, 5b, 16a, 16b, 17a, 17b, 18a, 18b, 19a, 19b Flow path control block 6a, 6b External operation part 7 Female screw part 8 Support frame 8a Upright wall portion 9 Male thread portion 10, 12 Gear 11 Drive shaft 13a, 13b Inclined surface 14 Base 15 Exit opening

Claims (7)

押出機の先端に取付けた口金によって成形される押出し素材の横断面形状を変更するに当り、
口金内の流路規制ブロックを変位させて、口金の出口開口寸法を変化させる、押出機の口金のサイズ変更方法。
In changing the cross-sectional shape of the extruded material formed by the die attached to the tip of the extruder,
A method for changing the size of a die of an extruder, in which a flow path regulating block in the die is displaced to change an outlet opening size of the die.
口金内の各対の流路規制ブロックのそれぞれを、相互の同期下で変位させる請求項1に記載の押出機の口金のサイズ変更方法。   The method of changing a size of a die of an extruder according to claim 1, wherein each of the pair of flow path regulating blocks in the die is displaced under mutual synchronization. 流路規制ブロックを、出口開口の幅方向もしくは開口ギャップ方向に変位させる請求項1もしくは2に記載の押出機の口金のサイズ変更方法。   The method for changing the size of the die of the extruder according to claim 1 or 2, wherein the flow path regulating block is displaced in the width direction of the outlet opening or the opening gap direction. 押出機の先端に取付けられて押出し素材を所要の横断面形状に成形する口金を、押出し流路の画成に寄与する貫通穴を設けた口金本体と、その貫通穴内に、それの幅方向および、その幅方向と直交する方向の少なくとも一方向に変位可能に配設されて、口金の出口開口寸法を特定する一個以上の流路規制ブロックとで構成してなる押出機の口金。   A die attached to the tip of the extruder to form an extruded material into a required cross-sectional shape, a die body provided with a through hole that contributes to the definition of the extrusion flow path, and the width direction of the die body in the through hole A die for an extruder, which is configured to be displaceable in at least one direction orthogonal to the width direction and includes one or more flow path regulating blocks that specify the outlet opening size of the die. 口金本体の貫通穴の寸法を、下流側に向けて傾斜面をもって漸減させるとともに、流路規制ブロックの、貫通穴傾斜面との対向面を、その傾斜面と対応する傾斜面としてなる請求項4に記載の押出機の口金。   The dimension of the through hole of the base body is gradually reduced with an inclined surface toward the downstream side, and the surface of the flow path regulating block facing the inclined surface of the through hole is an inclined surface corresponding to the inclined surface. The mouthpiece of the extruder described in 1. 貫通穴内に少なくとも一対の流路規制ブロックを配設してなる請求項4もしくは5に記載の押出機の口金。   The die for an extruder according to claim 4 or 5, wherein at least a pair of flow path regulating blocks are disposed in the through hole. 各対の流路規制ブロックの同期作動機構を設けてなる請求項6に記載の押出機の口金。   The extruder die according to claim 6, wherein a synchronous operation mechanism for each pair of flow path regulating blocks is provided.
JP2004027595A 2004-02-04 2004-02-04 Extruder base Expired - Fee Related JP4488758B2 (en)

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KR100915130B1 (en) * 2007-12-06 2009-09-03 전영태 Adjustable sizing apparatus of extrusion molding material
KR100933906B1 (en) * 2008-02-19 2009-12-28 (주)네오지텍 Tee Die Device
JP2011173369A (en) * 2010-02-25 2011-09-08 Bridgestone Corp Apparatus and method for manufacturing bead member
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JP5534063B1 (en) * 2013-02-22 2014-06-25 横浜ゴム株式会社 Extruder
JP2015104923A (en) * 2013-12-03 2015-06-08 東洋ゴム工業株式会社 Sheet-like rubber molding device and mouthpiece for molding sheet-like rubber
JP2016000484A (en) * 2014-06-11 2016-01-07 信越ポリマー株式会社 Method for producing outer shape-deformed drain tube, crosshead die, and crosshead type extruder
CN107856271A (en) * 2017-12-21 2018-03-30 深圳市沃尔核材股份有限公司 A kind of extrusion device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100915130B1 (en) * 2007-12-06 2009-09-03 전영태 Adjustable sizing apparatus of extrusion molding material
KR100933906B1 (en) * 2008-02-19 2009-12-28 (주)네오지텍 Tee Die Device
JP2011173369A (en) * 2010-02-25 2011-09-08 Bridgestone Corp Apparatus and method for manufacturing bead member
JP2011224953A (en) * 2010-03-30 2011-11-10 Bridgestone Corp Method for manufacturing tire, and the tire
JP5534063B1 (en) * 2013-02-22 2014-06-25 横浜ゴム株式会社 Extruder
WO2014129122A1 (en) * 2013-02-22 2014-08-28 横浜ゴム株式会社 Extruder
AU2014220163B2 (en) * 2013-02-22 2015-11-12 The Yokohama Rubber Co., Ltd. Extruder
US9505160B2 (en) 2013-02-22 2016-11-29 The Yokohama Rubber Co., Ltd. Extruder
JP2015104923A (en) * 2013-12-03 2015-06-08 東洋ゴム工業株式会社 Sheet-like rubber molding device and mouthpiece for molding sheet-like rubber
JP2016000484A (en) * 2014-06-11 2016-01-07 信越ポリマー株式会社 Method for producing outer shape-deformed drain tube, crosshead die, and crosshead type extruder
CN107856271A (en) * 2017-12-21 2018-03-30 深圳市沃尔核材股份有限公司 A kind of extrusion device
CN107856271B (en) * 2017-12-21 2024-04-05 深圳市沃尔核材股份有限公司 Extrusion device

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