JP2015098004A - Rotary blade for crusher - Google Patents

Rotary blade for crusher Download PDF

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JP2015098004A
JP2015098004A JP2013239916A JP2013239916A JP2015098004A JP 2015098004 A JP2015098004 A JP 2015098004A JP 2013239916 A JP2013239916 A JP 2013239916A JP 2013239916 A JP2013239916 A JP 2013239916A JP 2015098004 A JP2015098004 A JP 2015098004A
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blade
crushing
pin
rotary
crushing blade
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JP6045475B2 (en
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坂本　季治
Sueji Sakamoto
季治 坂本
博 上南
Hiroshi Jonan
博 上南
英章 黒川
Hideaki Kurokawa
英章 黒川
雄一 深野
Yuichi Fukano
雄一 深野
司 山村
Tsukasa Yamamura
司 山村
達雄 宮下
Tatsuo Miyashita
達雄 宮下
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Mitsubishi Heavy Industries Environmental and Chemical Engineering Co Ltd
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Mitsubishi Heavy Industries Environmental and Chemical Engineering Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a rotary blade for a crusher capable of being attached to an outer peripheral end portion of a blade pedestal fixedly attached to a rotary shaft of the crusher easily, accurately, and stably.SOLUTION: Stepped portions 12 and 13 including engagement surfaces 12a and 13a facing to a circumferential direction and engaged with an outer peripheral end portion 10a of a blade pedestal 10 fixedly attached to a rotary shaft 1 in a state of coaxially arranging mutual axes O1 and an abutment portion 11b of each crushing blade 11 abutting on the outer peripheral end portion 10a of the blade pedestal 10 in surface contact, respectively, are formed. In addition, pinholes 14 and 15 are formed to be recessed in the outer peripheral end portion 10a of the blade pedestal 10 and/or the abutment portion 11b of each crushing blade 11, respectively. Engagement of the stepped portions 12 and 13 restricts circumferential movement of each crushing blade 11 while positioning the crushing blade 11 on the blade pedestal 10. Fitting a pin 16 into the pinholes 14 and 15 restricts movement of each crushing blade 11 in an axis O1 direction relative to the blade pedestal 10, thereby positioning the crushing blade 11.

Description

本発明は、破砕機用の回転刃に関する。   The present invention relates to a rotary blade for a crusher.

従来、プラスチックや木片、紙、金属、ゴム、繊維、皮革などを破砕処理する手段として破砕機が用いられている。そして、この種の破砕機には、軸線周りに回転する断面多角形状の回転軸と、回転軸を多角形状の中心孔に挿入して回転軸に嵌着され、回転軸とともに軸線周りに回転して破砕対象物を破砕する複数の回転刃と、回転軸の軸線方向に隣り合う回転刃の間に介設される複数のスペーサとを備えて構成したものがある（例えば、特許文献１参照）。   Conventionally, a crusher is used as a means for crushing plastic, wood pieces, paper, metal, rubber, fiber, leather, and the like. In this type of crusher, a polygonal rotary shaft rotating around the axis, and the rotary shaft is inserted into the polygonal center hole and fitted to the rotary shaft, and rotates around the axis together with the rotary shaft. And a plurality of rotary blades for crushing the object to be crushed and a plurality of spacers interposed between the rotary blades adjacent to each other in the axial direction of the rotary shaft (for example, see Patent Document 1). .

また、例えば一般廃棄物や産業廃棄物などの破砕に用いられる破砕機には、例えば２軸式破砕機が多用されている。すなわち、回転軸と複数の回転刃と複数のスペーサからなる複数の破砕機構を備え、これら破砕機構の互いの回転軸の軸線を並行にし、且つ互いの回転刃の一部が軸線方向に重なるように回転刃を千鳥状に配置して構成した破砕機が用いられている（例えば、特許文献２参照）。   For example, a biaxial crusher is frequently used as a crusher used for crushing, for example, general waste or industrial waste. That is, a crushing mechanism including a rotation shaft, a plurality of rotation blades, and a plurality of spacers is provided, the axes of the rotation shafts of these crushing mechanisms are parallel to each other, and a part of each rotation blade overlaps in the axial direction. In addition, a crusher configured by arranging rotating blades in a zigzag manner is used (for example, see Patent Document 2).

一方、このような破砕機用の回転刃Ａには、図１６に示すように、回転軸１を挿入させる多角形状の中心孔２を有して環状に形成するとともに、外周に複数の切刃部３を軸線Ｏ１中心の周方向に等間隔に形成して構成したものがある。   On the other hand, as shown in FIG. 16, the rotary blade A for the crusher has a polygonal center hole 2 into which the rotary shaft 1 is inserted and is formed in an annular shape, and has a plurality of cutting blades on the outer periphery. There is a configuration in which the portions 3 are formed at equal intervals in the circumferential direction around the center of the axis O1.

しかしながら、この回転刃Ａにおいては、例えば回転刃Ａの切刃部（刃先）３などに摩耗が生じて交換する際、破砕機の回転軸１から回転刃Ａ全体を取り外すことが必要になる。特に、２軸式破砕機などでは、複数の破砕機構の回転刃Ａが千鳥状に配置されているため、ある１つの回転刃Ａを交換する場合であっても、また、回転刃Ａの一部の切刃部３が摩耗した場合であっても、破砕機の回転軸１に取り付けられた多数の回転刃Ａやスペーサを回転軸１から取り外す必要が生じ、多大な労力と時間を要する。   However, in the rotary blade A, for example, when the cutting blade portion (blade edge) 3 of the rotary blade A is worn and replaced, it is necessary to remove the entire rotary blade A from the rotary shaft 1 of the crusher. In particular, in a two-shaft crusher or the like, the rotary blades A of a plurality of crushing mechanisms are arranged in a staggered manner, so even when a single rotary blade A is replaced, Even when the cutting blade part 3 of the part is worn, it is necessary to remove a large number of rotary blades A and spacers attached to the rotary shaft 1 of the crusher from the rotary shaft 1, which requires a great deal of labor and time.

これに対し、例えば図１７から図１９に示すように、多角形状の中心孔２に回転軸１を挿通して嵌着される刃受台４と、刃受台４の外周４ａに固定ボルト５で着脱可能に固着して、軸線Ｏ１中心の周方向に複数並設される破砕刃（刃先片）６を備えて構成した回転刃Ｂ、Ｃ、Ｄがある。すなわち、それぞれ切刃部６ａを備えた複数の破砕刃６を分割して備え、これら複数の破砕刃６を刃受台４に対して個別に着脱可能に構成した回転刃Ｂ、Ｃ、Ｄがある。そして、このように構成した回転刃Ｂ、Ｃ、Ｄにおいては、破砕刃６（切刃部６ａ）を個別に取り外すことができるため、図１６に示した刃先部一体型の回転刃Ａと比較し、回転刃の交換作業を容易に行うことが可能になる。   On the other hand, for example, as shown in FIGS. 17 to 19, a blade base 4 that is fitted by inserting the rotary shaft 1 into the polygonal center hole 2 and a fixing bolt 5 on the outer periphery 4 a of the blade base 4. There are rotary blades B, C, and D configured to include a plurality of crushing blades (blade tip pieces) 6 that are detachably fixed to each other in the circumferential direction around the center of the axis O1. That is, the rotary blades B, C, and D each having a plurality of crushing blades 6 each provided with a cutting blade portion 6a and configured to be detachable from the blade receiving base 4 are provided. is there. In the rotary blades B, C, and D configured in this manner, the crushing blade 6 (cutting blade portion 6a) can be individually removed, so that it is compared with the blade edge portion-integrated rotary blade A shown in FIG. In addition, it is possible to easily replace the rotary blade.

また、複数の破砕刃６を備えた回転刃には、例えば、図１７に示すように、軸線Ｏ１中心の周方向に隣り合う破砕刃６同士を係合させるキータイプの回転刃Ｂや、図１８に示すように、各破砕刃６の周方向の片側に段付き部６ｂを設け、破砕刃６と刃受台４を段付き部６ｂで係合させる片側段付きタイプの回転刃Ｃや、図１９に示すように、インロー、テーパー構造のインロー６ｃを用いて破砕刃６を固定するインロー固定タイプの回転刃Ｄなどがある。   In addition, for example, as shown in FIG. 17, a rotary blade provided with a plurality of crushing blades 6 includes a key-type rotary blade B that engages crushing blades 6 adjacent to each other in the circumferential direction around the axis O <b> 1. As shown in FIG. 18, a stepped portion 6b is provided on one side in the circumferential direction of each crushing blade 6, and a one-sided stepped rotary blade C that engages the crushing blade 6 and the blade receiving base 4 with the stepped portion 6b, As shown in FIG. 19, there are an inlay fixed type rotary blade D for fixing the crushing blade 6 using an inlay and an inlay 6 c having a tapered structure.

特許第２８５０９９９号公報Japanese Patent No. 2850999 特許第３６３９９２１号公報Japanese Patent No. 3639921

しかしながら、上記従来の図１７や図１８に示したキータイプの回転刃Ｂや片側段付きタイプの回転刃Ｃにおいては、各破砕刃６を刃受台４に取り付ける際に、単に固定ボルト５で固定しただけでは破砕刃６を高精度で位置決めすることができず、破砕刃６の交換作業に手間がかかる。   However, in the key type rotary blade B and the one-sided stepped rotary blade C shown in FIGS. 17 and 18, when the crushing blades 6 are attached to the blade base 4, the fixing bolts 5 are simply used. The crushing blade 6 cannot be positioned with high accuracy only by fixing it, and it takes time to replace the crushing blade 6.

また、周方向に隣り合う破砕刃６の互いに当接する係合面が破砕スラスト力の受け面となり、この破砕スラスト力の受け面の面積が小さい。このため、破砕時に各破砕刃６が不安定になりやすく、破砕刃６の位置が周方向にずれ、さらに、軸線Ｏ１方向（厚さ方向）にずれてしまうと破砕精度、破砕効率が大幅に低下するという不都合が生じる。   Further, the engaging surfaces of the crushing blades 6 adjacent to each other in the circumferential direction are contact surfaces of the crushing thrust force, and the area of the crushing thrust force receiving surface is small. For this reason, each crushing blade 6 tends to become unstable at the time of crushing, and if the position of the crushing blade 6 is shifted in the circumferential direction and further in the direction of the axis O1 (thickness direction), crushing accuracy and crushing efficiency are greatly increased. The inconvenience of lowering occurs.

一方、上記従来の図１９に示したインロータイプの回転刃Ｄにおいては、インロー及びテーパー傾斜の合わせ加工が難しく、加工費用が高くなってしまう。また、テーパー部での高さ方向を同一にすることが難しく、隣り合う破砕刃６の周方向のレベルにバラツキが生じやすい。さらに、破砕刃６と刃受台４のテーパー部は相性があり、ロット部品によっては傾斜が合わないなどの不都合が生じる。また、図１７や図１８に示した回転刃Ｂ、Ｃと同様、破砕スラスト力の受け面の面積が小さいため、やはり、破砕時に各破砕刃６が不安定になりやすく、破砕刃６の位置が周方向にずれ、さらに、軸線Ｏ１方向（厚さ方向）にずれてしまうと破砕精度、破砕効率が大幅に低下するという不都合が生じる。   On the other hand, in the conventional inlay type rotary blade D shown in FIG. 19, it is difficult to align the inlay and the taper slope, which increases the processing cost. Moreover, it is difficult to make the height direction in a taper part the same, and the level of the circumferential direction of the adjacent crushing blade 6 tends to produce variation. Furthermore, the crushing blade 6 and the taper portion of the blade pedestal 4 are compatible with each other, resulting in inconveniences such as inconsistent inclination depending on lot parts. Also, like the rotary blades B and C shown in FIG. 17 and FIG. 18, since the area of the receiving surface for the crushing thrust force is small, each crushing blade 6 tends to become unstable during crushing, and the position of the crushing blade 6 Is displaced in the circumferential direction and further in the direction of the axis O1 (thickness direction), there arises a disadvantage that the crushing accuracy and crushing efficiency are greatly reduced.

本発明の破砕機用の回転刃は、回転軸に互いの軸線を同軸上に配した状態で固着される刃受台と、前記軸線中心の径方向外側に切刃部を配して前記刃受台の外周に着脱可能に取り付けられ、前記軸線中心の周方向に複数並設される破砕刃とを備えてなる破砕機用の回転刃であって、前記刃受台の外周端部、及び前記刃受台の外周端部に当接する前記破砕刃の当接部には、前記周方向を向き、互いに面接触して係合する係合面を備えた段部が形成され、且つ、前記刃受台の外周端部、及び／又は前記破砕刃の当接部には、ピン孔が凹設されており、前記段部が係合することにより、前記刃受台に対して前記破砕刃を位置決めしつつ前記破砕刃の前記周方向の移動を規制し、前記ピン孔にピンを嵌合させることにより、前記刃受台に対して前記破砕刃の前記軸線方向の移動を規制し、前記破砕刃を位置決めするように構成されていることを特徴とする。   The rotary blade for a crusher according to the present invention includes a blade base that is fixed to a rotary shaft in a state in which the axes are coaxially arranged, and a cutting blade portion that is disposed radially outside the axis center. A rotary blade for a crusher that is detachably attached to the outer periphery of the cradle and includes a plurality of crushing blades arranged side by side in the circumferential direction of the axis center, and an outer peripheral end of the blade cradle, and The contact portion of the crushing blade that contacts the outer peripheral end portion of the blade pedestal is formed with a step portion having an engagement surface that faces the circumferential direction and engages in surface contact with each other, and A pin hole is recessed in the outer peripheral end of the blade support and / or the contact portion of the crushing blade, and the crushing blade is engaged with the blade support by engaging the stepped portion. By restricting the movement of the crushing blade in the circumferential direction while positioning the blade and fitting a pin into the pin hole, To restrict the movement of the axial direction of the blade, characterized in that it is configured to position the crushing blades.

また、本発明の破砕機用の回転刃においては、前記刃受台の外周端部と前記破砕刃の当接部にそれぞれピン孔が凹設され、前記刃受台及び前記破砕刃と個別に形成されたピンを前記刃受台の外周端部と前記破砕刃の当接部に形成された一対のピン孔に嵌合させることにより、前記刃受台に対して前記破砕刃の前記軸線方向の移動を規制するように構成されていることが望ましい。   Further, in the rotary blade for the crusher of the present invention, pin holes are respectively recessed in the outer peripheral end portion of the blade cradle and the contact portion of the crush blade, and separately from the blade cradle and the crush blade. The axial direction of the crushing blade with respect to the blade pedestal by fitting the formed pin into a pair of pin holes formed in the outer peripheral end portion of the blade pedestal and the contact portion of the crushing blade It is desirable to be configured so as to restrict movement.

さらに、本発明の破砕機用の回転刃においては、前記ピン孔に前記ピンを嵌合させた状態で前記ピンと前記ピン孔の内面の前記周方向の間に隙間が形成されるように、前記ピン孔が長孔状に形成されていることがより望ましい。   Furthermore, in the rotary blade for the crusher of the present invention, the gap is formed between the pin and the circumferential direction of the inner surface of the pin hole with the pin fitted in the pin hole. It is more desirable that the pin hole is formed in a long hole shape.

また、本発明の破砕機用の回転刃においては、前記刃受台の外周端部及び前記破砕刃の当接部に形成された一対の前記段部の互いに係合して面接触する一対の係合面がそれぞれ、前記軸線方向の厚さ方向中央に向かうに従い漸次前記周方向に突出あるいは凹むテーパー状に形成されていることがさらに望ましい。   Further, in the rotary blade for the crusher of the present invention, a pair of the stepped portions formed on the outer peripheral end of the blade base and the contact portion of the crushing blade are engaged with each other and are in surface contact with each other. It is further desirable that the engagement surfaces are each formed in a tapered shape that gradually protrudes or dents in the circumferential direction toward the center in the thickness direction in the axial direction.

本発明の破砕機用の回転刃においては、まず、破砕刃のみの交換を行うことができるため、従来の切刃部一体型の破砕刃と比較し、回転刃（切刃部）の交換作業を容易にし、回転刃の交換に要する時間、ひいてはコストを大幅に低減することが可能になる。   In the rotary blade for the crusher of the present invention, since only the crushing blade can be replaced, the replacement operation of the rotary blade (cutting blade portion) is compared with the conventional crushing blade integrated with the cutting blade portion. This makes it possible to significantly reduce the time and cost required for replacing the rotary blade.

また、本発明の破砕機用の回転刃においては、刃受台の外周端部及び破砕刃の当接部に互いに面接触して係合する段部が形成されていることにより、互いの段部を係合させるだけで各破砕刃の周方向の位置決めを行うことができる。さらに、刃受台の外周端部及び／又は破砕刃の当接部のピン孔にピンを嵌合させながら破砕刃を刃受台に取り付けることで、軸線方向（厚さ方向）の位置決めを行うことができる。これにより、刃受台に破砕刃を取り付ける際に、破砕刃の周方向、軸線方向、高さ方向（前後、左右、高さ）の位置決めを容易に且つ精度よく行うことができ、芯出し作業を不要にすることが可能になる。   Further, in the rotary blade for the crusher of the present invention, the stepped portions that are brought into surface contact with and engaged with the outer peripheral end portion of the blade base and the contact portion of the crushing blade are formed. Positioning in the circumferential direction of each crushing blade can be performed only by engaging the portions. Further, the crushing blade is attached to the blade cradle while fitting the pin into the pin hole of the outer peripheral end of the blade cradle and / or the contact portion of the crushing blade, thereby positioning in the axial direction (thickness direction). be able to. Thereby, when attaching the crushing blade to the blade cradle, positioning of the crushing blade in the circumferential direction, the axial direction, and the height direction (front and rear, left and right, height) can be easily and accurately performed. Can be made unnecessary.

また、このように容易に且つ高精度で破砕刃の取付けを行えるとともに、段部だけでなくピンによって破砕刃が刃受台に係合、接続されるため、段部（段部の係合面）とピン、ピン孔とにより、大きな面積で破砕スラスト力を受けることができる。これにより、従来の回転刃と比較し、破砕刃を安定した状態で保持することができ、破砕精度、破砕効率を大幅に向上させることが可能になる。   In addition, the crushing blade can be mounted easily and with high accuracy in this way, and the crushing blade is engaged and connected to the blade cradle not only by the step portion but also by a pin. ), Pins, and pin holes, it is possible to receive a crushing thrust force in a large area. Thereby, compared with the conventional rotary blade, the crushing blade can be held in a stable state, and the crushing accuracy and crushing efficiency can be greatly improved.

さらに、段部を係合させたり、ピン孔にピンを嵌合させるだけで、破砕刃と刃受台の合わせ部（当接部、外周端部）の形成精度に高精度を求める必要がなく、すなわち、破砕刃と刃受台の相性がなく、どのロット部品の破砕刃でも取り付けることが可能になりうる。   Furthermore, it is not necessary to obtain high accuracy in the formation accuracy of the mating part (contact part, outer peripheral end part) of the crushing blade and the blade pedestal simply by engaging the stepped part or fitting the pin into the pin hole. That is, there is no compatibility between the crushing blade and the blade cradle, and it may be possible to attach a crushing blade of any lot part.

さらに、本発明の破砕機用の回転刃においては、刃受台の外周端部と破砕刃の当接部にそれぞれピン孔を凹設し、個別に形成されたピンを刃受台と破砕刃の一対のピン孔に嵌合させるように構成すると、これらのピン孔やピンを単独で形成することができ、刃受台及び破砕刃やピンを容易に形成、製造することができる。これにより、回転刃の低コスト化を図ることが可能になる。   Furthermore, in the rotary blade for the crusher of the present invention, pin holes are respectively provided in the outer peripheral end of the blade base and the contact portion of the crushing blade, and individually formed pins are connected to the blade base and the crushing blade. If it is configured to be fitted to the pair of pin holes, these pin holes and pins can be formed independently, and the blade base, the crushing blade and the pins can be easily formed and manufactured. This makes it possible to reduce the cost of the rotary blade.

また、本発明の破砕機用の回転刃においては、ピン孔を長孔状に形成し、ピン孔にピンを嵌合させた状態でピンとピン孔の内面の周方向の間に隙間が形成されるようにすると、刃受台の外周端部及び破砕刃の当接部の互いの段部によって破砕刃の周方向の位置決め、刃受台の外周端部及び／又は破砕刃の当接部のピン孔とピンによって破砕刃の軸線方向の位置決めを行うことができる。これにより、破砕刃の周方向、軸線方向、高さ方向の位置決めを容易に且つ精度よく行うことができる。   Further, in the rotary blade for the crusher of the present invention, the pin hole is formed in a long hole shape, and a gap is formed between the pin and the circumferential direction of the inner surface of the pin hole with the pin fitted. By doing so, the peripheral edge of the blade pedestal and the stepped portion of the contact portion of the crushing blade are positioned in the circumferential direction of the crushing blade, the outer peripheral end of the blade cradle and / or the contact portion of the crushing blade. The crushing blade can be positioned in the axial direction by the pin hole and the pin. Thereby, positioning of the crushing blade in the circumferential direction, the axial direction, and the height direction can be easily and accurately performed.

そして、このとき、ピン孔が長孔状に形成されていることで、破砕刃の周方向の移動は段部だけで規制されることになる。このため、ピン孔やピンを高精度で形成しなくても、破砕刃の位置決め精度を高精度で確保することが可能になる。これにより、刃受台や破砕刃（回転刃）の製造歩掛りの向上、製造コストの低減を図ることが可能になる。   At this time, since the pin hole is formed in a long hole shape, the movement of the crushing blade in the circumferential direction is restricted only by the stepped portion. For this reason, even if it does not form a pin hole or a pin with high accuracy, it becomes possible to ensure the positioning accuracy of the crushing blade with high accuracy. Thereby, it becomes possible to improve the manufacturing yield of the blade cradle and the crushing blade (rotating blade) and reduce the manufacturing cost.

さらに、本発明の破砕機用の回転刃においては、刃受台及び破砕刃の一対の段部の一対の係合面がそれぞれ、軸線方向の厚さ方向中央に向かうに従い漸次周方向に突出あるいは凹むテーパー状に形成されていると、刃受台の段部に破砕刃の段部を係合させるとともに、互いのテーパー状の係合面によって破砕刃を所定の位置に誘導して位置決めすることができる。これにより、さらに容易に且つ高精度で破砕刃を位置決めして刃受台に取り付けることが可能になる。   Further, in the rotary blade for the crusher of the present invention, the pair of engaging surfaces of the pair of stepped portions of the blade base and the crushing blade respectively protrude in the circumferential direction gradually toward the center in the thickness direction in the axial direction. When it is formed in a concave taper shape, the step portion of the crushing blade is engaged with the step portion of the blade cradle, and the crushing blade is guided to a predetermined position and positioned by the mutual tapered engagement surface. Can do. This makes it possible to position the crushing blade more easily and with high accuracy and attach it to the blade cradle.

本発明の一実施形態に係る破砕機用の回転刃を示す図（上半図）である。It is a figure (upper half figure) which shows the rotary blade for crushers which concerns on one Embodiment of this invention. 図１のＸ１−Ｘ１線矢視図であり、本発明の一実施形態に係る破砕機用の回転刃の刃受台の外周端部を示す図である。FIG. 2 is a view taken along line X1-X1 in FIG. 1 and showing an outer peripheral end portion of a blade pedestal of a rotary blade for a crusher according to an embodiment of the present invention. 本発明の一実施形態に係る破砕機用の回転刃の破砕刃を示す正面図である。It is a front view which shows the crushing blade of the rotary blade for crushers which concerns on one Embodiment of this invention. 図３のＸ１−Ｘ１線矢視図である。FIG. 4 is a view taken along line X1-X1 in FIG. 3. 図３のＸ２−Ｘ２線矢視図である。FIG. 4 is a view taken along line X2-X2 in FIG. 3. 図３のＸ３−Ｘ３線矢視図である。FIG. 4 is a view taken along line X3-X3 in FIG. 3. 本発明の一実施形態に係る破砕機用の回転刃において、刃受台に破砕刃を取り付ける方法を示す図である。It is a figure which shows the method of attaching a crushing blade to a blade stand in the rotary blade for crushers which concerns on one Embodiment of this invention. 本発明の一実施形態に係る破砕機用の回転刃を示す図（上半図）である。It is a figure (upper half figure) which shows the rotary blade for crushers which concerns on one Embodiment of this invention. 図８のＸ１−Ｘ１線矢視図であり、破砕機用の回転刃の刃受台の外周端部を示す図である。It is a X1-X1 arrow directional view of FIG. 8, and is a figure which shows the outer peripheral edge part of the blade pedestal of the rotary blade for crushers. 本発明の一実施形態に係る破砕機用の回転刃の変更例を示す図（上半図）である。It is a figure (upper half figure) which shows the example of a change of the rotary blade for crushers which concerns on one Embodiment of this invention. 図１０のＸ１−Ｘ１線矢視図であり、破砕機用の回転刃の刃受台の外周端部を示す図である。It is a X1-X1 arrow directional view of FIG. 10, and is a figure which shows the outer peripheral edge part of the blade pedestal of the rotary blade for crushers. 図１０の破砕機用の回転刃の破砕刃を示す正面図である。It is a front view which shows the crushing blade of the rotary blade for crushers of FIG. 図１２のＸ１−Ｘ１線矢視図である。It is a X1-X1 line arrow directional view of FIG. 図１２のＸ２−Ｘ２線矢視図である。It is the X2-X2 line arrow directional view of FIG. 図１２のＸ３−Ｘ３線矢視図である。It is the X3-X3 line arrow figure of FIG. 従来の破砕機用の回転刃を示す正面図である。It is a front view which shows the rotary blade for the conventional crushers. 従来の破砕機用の回転刃を示す正面図である。It is a front view which shows the rotary blade for the conventional crushers. 従来の破砕機用の回転刃を示す正面図である。It is a front view which shows the rotary blade for the conventional crushers. 従来の破砕機用の回転刃を示す正面図である。It is a front view which shows the rotary blade for the conventional crushers.

以下、図１から図９を参照し、本発明の一実施形態に係る破砕機用の回転刃について説明する。   Hereinafter, with reference to FIGS. 1-9, the rotary blade for crushers which concerns on one Embodiment of this invention is demonstrated.

はじめに、本実施形態の破砕機は、例えば一般廃棄物や産業廃棄物などの大型の破砕対象物の破砕に用いられる周知の２軸式破砕機などであり、回転軸と複数の回転刃と複数のスペーサからなる複数の破砕機構を備え、破砕機構の互いの回転軸の軸線を並行にし、且つ互いの回転刃の一部が軸線方向に重なるように回転刃を千鳥状に配し、各破砕機構の回転軸とともに回転刃を軸線周りに回転させることによって、廃棄物などをせん断破砕できるように構成されている。   First, the crusher of this embodiment is a well-known biaxial crusher used for crushing large crushing objects such as general waste and industrial waste, and includes a rotating shaft, a plurality of rotating blades, and a plurality of crushing machines. The crushing mechanism is composed of a plurality of crushing mechanisms, the rotation axes of the crushing mechanism are parallel to each other, and the rotary blades are arranged in a staggered manner so that a part of the rotation blades overlap in the axial direction. By rotating the rotary blade around the axis along with the rotating shaft of the mechanism, the waste and the like can be sheared and crushed.

一方、このような破砕機に具備される本実施形態の回転刃（破砕機用の回転刃）Ｅは、図１に示すように、破砕機の破砕機構の軸線Ｏ１周りに回転する回転軸１を、多角形状の中心孔２に挿通して嵌着され、回転軸１に互いの軸線Ｏ１を同軸上に配した状態で固着される刃受台１０と、軸線Ｏ１中心の径方向外側に切刃部１１ａを配して刃受台１０の外周に着脱可能に取り付けられ、軸線Ｏ１中心の周方向に隙間なく複数並設される破砕刃１１とを備えて構成されている。   On the other hand, the rotary blade (rotary blade for crusher) E of the present embodiment provided in such a crusher has a rotary shaft 1 that rotates around an axis O1 of a crushing mechanism of the crusher as shown in FIG. Is inserted into the polygonal center hole 2 and fixed to the rotating shaft 1 with the axis O1 coaxially arranged on the rotary shaft 1, and is cut radially outward from the center of the axis O1. A plurality of crushing blades 11 are arranged with a blade portion 11a detachably attached to the outer periphery of the blade cradle 10 and arranged in parallel in the circumferential direction around the center of the axis O1.

また、本実施形態の回転刃Ｅは、図１に示すように、刃受台１０と破砕刃１１にそれぞれ、ボルト挿通孔７、８が形成され、ボルト挿通孔７、８に固定ボルト５を挿通し、螺着させることにより、刃受台１０の外周端部１０ａの所定位置に破砕刃１１を着脱可能に固着するように構成されている。   In addition, as shown in FIG. 1, the rotary blade E of the present embodiment has bolt insertion holes 7 and 8 formed in the blade base 10 and the crushing blade 11, respectively, and the fixing bolt 5 is provided in the bolt insertion holes 7 and 8. The crushing blade 11 is configured to be detachably fixed to a predetermined position of the outer peripheral end portion 10a of the blade receiving base 10 by being inserted and screwed.

さらに、この回転刃Ｅは、図１、図２、図３から図６に示すように、刃受台１０の外周端部１０ａ、及び刃受台１０の外周端部１０ａに当接する破砕刃１１の当接部１１ｂに、軸線Ｏ１中心の周方向（略周方向を含む）を向き、互いに面接触して係合する係合面１２ａ、１３ａを備えた段部１２、１３が形成されている。また、本実施形態では、これら段部１２、１３の係合面１２ａ、１３ａが軸線Ｏ１に沿う平面状で形成されている。   Further, as shown in FIGS. 1, 2, and 3 to 6, the rotary blade E includes an outer peripheral end portion 10 a of the blade receiving base 10 and a crushing blade 11 that contacts the outer peripheral end portion 10 a of the blade receiving base 10. Step portions 12 and 13 having engaging surfaces 12a and 13a that face in the circumferential direction (including substantially the circumferential direction) about the axis O1 and engage with each other in surface contact with each other are formed in the contact portion 11b. . In the present embodiment, the engaging surfaces 12a and 13a of the step portions 12 and 13 are formed in a planar shape along the axis O1.

さらに、本実施形態において、回転刃Ｅの刃受台１０の外周端部１０ａ及び破砕刃１１の当接部１１ｂにはそれぞれ、所定位置に円形孔のピン孔１４、１５が凹設されている。   Furthermore, in this embodiment, pin holes 14 and 15 of circular holes are recessed at predetermined positions on the outer peripheral end portion 10a of the blade base 10 of the rotary blade E and the contact portion 11b of the crushing blade 11, respectively. .

そして、図７に示すように、本実施形態の回転刃Ｅにおいて、刃受台１０に破砕刃１１を取り付ける際には、刃受台１０及び破砕刃１１と個別に形成され、ピン孔１４、１５と略同径の円柱状のピン１６の一端部側を破砕刃１１のピン孔１５に嵌合させ、破砕刃１１とともにピン１６の他端部側を刃受台１０のピン孔１４に嵌合させる。   And in the rotary blade E of this embodiment, when attaching the crushing blade 11 to the blade base 10, as shown in FIG. 7, it forms separately with the blade base 10 and the crushing blade 11, and the pin hole 14, One end of a cylindrical pin 16 having substantially the same diameter as 15 is fitted into the pin hole 15 of the crushing blade 11, and the other end of the pin 16 is fitted into the pin hole 14 of the blade receiving base 10 together with the crushing blade 11. Combine.

このとき、本実施形態では、ピン１６を刃受台１０のピン孔１４に嵌合させ、破砕刃１１の当接部１１ｂが刃受台１０の外周端部１０ａに密着するとともに、刃受台１０の段部１２の係合面１２ａと破砕刃１１の段部１３の係合面１３ａとが面接触して係合する。   At this time, in this embodiment, the pin 16 is fitted into the pin hole 14 of the blade cradle 10, the abutting portion 11 b of the crushing blade 11 is in close contact with the outer peripheral end portion 10 a of the blade cradle 10, and the blade cradle The engaging surface 12a of the ten step portions 12 and the engaging surface 13a of the step portion 13 of the crushing blade 11 are brought into surface contact with each other and engaged.

このように互いの段部１２、１３が係合することにより、刃受台１０に対して破砕刃１１が位置決めされ、且つ破砕刃１１の周方向の移動が規制される。また、ピン孔１４、１５にピン１６が嵌合することにより、刃受台１０に対して破砕刃１１の軸線Ｏ１方向（厚さ方向）の移動が規制される。さらに、本実施形態では、刃受台１０と破砕刃１１に形成されたピン孔１４、１５とピン１６とが略同径の円形で形成されているため、ピン孔１４、１５にピン１６が嵌合することにより、刃受台１０に対して破砕刃１１の軸線Ｏ１方向（厚さ方向）の移動も規制される。よって、ピン孔１４、１５にピン１６を嵌合させるだけで、破砕刃１１を位置決めしながら刃受台１０の所定位置に配置して取り付けることができる。また、固定ボルト５で容易に固着することができる。   In this way, the stepped portions 12 and 13 are engaged with each other, whereby the crushing blade 11 is positioned with respect to the blade base 10 and the movement of the crushing blade 11 in the circumferential direction is restricted. Further, when the pin 16 is fitted into the pin holes 14 and 15, the movement of the crushing blade 11 in the direction of the axis O <b> 1 (thickness direction) with respect to the blade receiving base 10 is restricted. Furthermore, in this embodiment, since the pin holes 14 and 15 and the pin 16 formed in the blade receiving base 10 and the crushing blade 11 are formed in a circle having substantially the same diameter, the pin 16 is provided in the pin holes 14 and 15. By fitting, movement of the crushing blade 11 in the direction of the axis O1 (thickness direction) with respect to the blade receiving base 10 is also restricted. Therefore, only by fitting the pin 16 into the pin holes 14 and 15, the crushing blade 11 can be positioned and attached at a predetermined position of the blade receiving base 10 while positioning. Further, it can be easily fixed with the fixing bolt 5.

ここで、図８及び図９に示すように、ピン１６を嵌合させた状態でピン１６とピン孔１４（１５）の周方向の間に隙間が形成されるように、刃受台１０と破砕刃１１に形成される少なくとも一方のピン孔１４（１５）を長孔状に形成することが好ましい。   Here, as shown in FIGS. 8 and 9, the blade holder 10 and the blade holder 10 are formed so that a gap is formed between the pin 16 and the pin hole 14 (15) in the circumferential direction with the pin 16 fitted. It is preferable to form at least one pin hole 14 (15) formed in the crushing blade 11 in a long hole shape.

この場合には、例えば、破砕刃１１のピン孔１５にピン１６の一端部側を嵌合し、破砕刃１１とともにピン１６の他端部側を刃受台１０の長孔状のピン孔１４に他端部側を嵌合させ、破砕刃１１の当接部１１ｂを刃受台１０の外周端部１０ａに密着させる。そして、破砕刃１１をスライド移動させて刃受台１０の段部１２の係合面１２ａと破砕刃１１の段部１３の係合面１３ａとを面接触させ、刃受台１０と破砕刃１１の段部１２、１３を係合させる。   In this case, for example, one end portion side of the pin 16 is fitted into the pin hole 15 of the crushing blade 11, and the other end portion side of the pin 16 together with the crushing blade 11 is a long hole-like pin hole 14 of the blade receiving base 10. The other end side is fitted to the contact portion 11b of the crushing blade 11 so as to be in close contact with the outer peripheral end portion 10a of the blade receiving base 10. Then, the crushing blade 11 is slid to bring the engaging surface 12a of the stepped portion 12 of the blade receiving base 10 into surface contact with the engaging surface 13a of the stepped portion 13 of the crushing blade 11, and the blade receiving base 10 and the crushing blade 11 are brought into contact with each other. The step portions 12 and 13 are engaged.

これにより、互いの段部１２、１３が係合することで、刃受台１０に対して破砕刃１１が位置決めされ、且つ破砕刃１１の周方向の移動が規制される。また、ピン孔１４、１５にピン１６が嵌合することにより、さらに少なくとも一方のピン孔１４、１５が長孔状であることにより、刃受台１０に対して破砕刃１１の軸線Ｏ１方向の移動（のみ）が規制される。よって、この場合においても、ピン孔１４、１５にピン１６を嵌合させるだけで、破砕刃１１を位置決めしながら刃受台１０の所定位置に配置して取り付けることができる。また、固定ボルト５で容易に固着することができる。   Thereby, the mutual step parts 12 and 13 are engaged, whereby the crushing blade 11 is positioned with respect to the blade receiving base 10 and the movement of the crushing blade 11 in the circumferential direction is restricted. Further, when the pin 16 is fitted into the pin holes 14 and 15, and at least one of the pin holes 14 and 15 is in the shape of a long hole, the cutting edge 11 is positioned in the direction of the axis O <b> 1 with respect to the blade base 10. Movement (only) is restricted. Therefore, even in this case, the crushing blade 11 can be positioned and attached at a predetermined position while positioning the crushing blade 11 only by fitting the pin 16 into the pin holes 14 and 15. Further, it can be easily fixed with the fixing bolt 5.

したがって、本実施形態の破砕機用の回転刃Ｅにおいては、まず、破砕刃１１のみの交換を行うことができるため、従来の切刃部一体型の破砕刃と比較し、回転刃（切刃部）の交換作業を容易にし、回転刃の交換に要する時間、ひいてはコストを大幅に低減することが可能になる。   Therefore, in the rotary blade E for the crusher of this embodiment, since only the crushing blade 11 can be exchanged first, the rotary blade (cutting blade) is compared with the conventional crushing blade integrated with the cutting blade portion. Part) can be facilitated, and the time required for exchanging the rotary blade, and thus the cost, can be greatly reduced.

また、刃受台１０の外周端部１０ａ及び破砕刃１１の当接部１１ｂに互いに面接触して係合する段部１２、１３が形成されていることにより、互いの段部１２、１３を係合させるだけで各破砕刃１１の周方向の位置決めを行うことができる。さらに、刃受台１０の外周端部１０ａ及び（又は）破砕刃１１の当接部１１ｂのピン孔１４、１５にピン１６を嵌合させながら破砕刃１１を刃受台１０に取り付けることで、軸線Ｏ１方向の位置決めを行うことができる。これにより、刃受台１０に破砕刃１１を取り付ける際に、破砕刃１１の周方向、軸線方向、高さ方向（前後、左右、高さ）の位置決めを容易に且つ精度よく行うことができ、芯出し作業を不要にすることが可能になる。   Further, the stepped portions 12 and 13 that are brought into surface contact with and engaged with the outer peripheral end portion 10a of the blade receiving base 10 and the contact portion 11b of the crushing blade 11 are formed. Positioning in the circumferential direction of each crushing blade 11 can be performed only by engaging. Furthermore, by attaching the crushing blade 11 to the blade receiving base 10 while fitting the pins 16 into the pin holes 14 and 15 of the outer peripheral end portion 10a of the blade receiving base 10 and / or the contact portion 11b of the crushing blade 11, Positioning in the direction of the axis O1 can be performed. Thereby, when attaching the crushing blade 11 to the blade pedestal 10, it is possible to easily and accurately position the crushing blade 11 in the circumferential direction, the axial direction, and the height direction (front and rear, left and right, height) Centering work can be eliminated.

また、このように容易に且つ高精度で破砕刃１１の取付けを行えるとともに、段部１２、１３だけでなくピン１６によって破砕刃１１が刃受台１０に係合、接続されるため、段部１２、１３（段部１２、１３の係合面１２ａ、１３ａ）とピン１６、ピン孔１４、１５とにより、大きな面積で破砕時に作用する破砕スラスト力を受けることができる。これにより、従来の回転刃と比較し、破砕刃１１を安定した状態で保持することができ、破砕精度、破砕効率を大幅に向上させることが可能になる。   In addition, the crushing blade 11 can be attached easily and with high accuracy as described above, and the crushing blade 11 is engaged and connected to the blade receiving base 10 by the pins 16 as well as the stepped portions 12 and 13. 12 and 13 (engagement surfaces 12a and 13a of the stepped portions 12 and 13) and the pins 16 and the pin holes 14 and 15 can receive a crushing thrust force acting at the time of crushing in a large area. Thereby, compared with the conventional rotary blade, the crushing blade 11 can be held in a stable state, and the crushing accuracy and crushing efficiency can be greatly improved.

さらに、段部１２、１３を係合させたり、ピン孔１４、１５にピン１６を嵌合させるだけで、破砕刃１１と刃受台１０の合わせ部（当接部１１ｂ、外周端部１０ａ）の形成精度に高精度を求める必要がなく、すなわち、破砕刃１１と刃受台１０の相性がなく、どのロット部品の破砕刃１１でも刃受台１０の外周端部１０ａに好適に取り付けることが可能になる。   Furthermore, just by engaging the stepped portions 12 and 13 or fitting the pins 16 into the pin holes 14 and 15, the mating portions of the crushing blade 11 and the blade receiving base 10 (abutment portion 11b, outer peripheral end portion 10a). Therefore, the crushing blade 11 and the blade base 10 are not compatible, and the crushing blade 11 of any lot part can be suitably attached to the outer peripheral end 10a of the blade base 10. It becomes possible.

さらに、本実施形態の破砕機用の回転刃Ｅにおいては、刃受台１０の外周端部１０ａと破砕刃１１の当接部１１ｂにそれぞれピン孔１４、１５を凹設し、個別に形成されたピン１６を刃受台１０と破砕刃１１の一対のピン孔１４、１５に嵌合させるように構成した。この場合には、これらのピン孔１４、１５やピン１６を単独で形成することができ、刃受台１０及び破砕刃１１やピン１６を容易に形成、製造することができる。これにより、回転刃Ｅの低コスト化を図ることが可能になる。   Furthermore, in the rotary blade E for the crusher of the present embodiment, the pin holes 14 and 15 are respectively provided in the outer peripheral end portion 10a of the blade receiving base 10 and the contact portion 11b of the crushing blade 11 so as to be individually formed. The pin 16 is configured to be fitted into the pair of pin holes 14 and 15 of the blade base 10 and the crushing blade 11. In this case, these pin holes 14 and 15 and the pin 16 can be formed independently, and the blade base 10, the crushing blade 11 and the pin 16 can be easily formed and manufactured. Thereby, cost reduction of the rotary blade E can be achieved.

また、ピン孔１４（１５）を長孔状に形成し、ピン孔１４（１５）にピン１６を嵌合させた状態でピン１６とピン孔１４、１５の内面の周方向の間に隙間が形成されるようにすると、刃受台１０の外周端部１０ａ及び破砕刃１１の当接部１１ｂの互いの段部１２、１３によって破砕刃１１の周方向の位置決め、刃受台１０の外周端部１０ａ及び破砕刃１１の当接部１１ｂのピン孔１４、１５とピン１６によって破砕刃１１の軸線Ｏ１方向の位置決めを行うことができる。よって、この場合においても、破砕刃１１の周方向、軸線方向、高さ方向の位置決めを容易に且つ精度よく行うことができる。   Further, the pin hole 14 (15) is formed in a long hole shape, and there is a gap between the pin 16 and the circumferential direction of the inner surface of the pin holes 14 and 15 with the pin 16 fitted in the pin hole 14 (15). When formed, the circumferential end of the blade receiving base 10 is positioned by the stepped portions 12 and 13 of the outer peripheral end 10 a of the blade receiving base 10 and the contact portion 11 b of the crushing blade 11, and the outer peripheral end of the blade receiving base 10. Positioning of the crushing blade 11 in the direction of the axis O <b> 1 can be performed by the pin holes 14, 15 and the pin 16 of the contact portion 11 b of the portion 10 a and the crushing blade 11. Therefore, also in this case, the crushing blade 11 can be easily and accurately positioned in the circumferential direction, the axial direction, and the height direction.

そして、このとき、ピン孔１４（１５）が長孔状に形成されていることで、破砕刃１１の周方向の移動は段部１２、１３で規制され、軸線Ｏ１方向の移動がピン１６で規制される。このため、ピン孔１４、１５やピン１６を高精度で形成しなくても、破砕刃１１の位置決め精度を高精度で確保することが可能になる。これにより、刃受台１０や破砕刃１１（回転刃Ｅ）の製造歩掛りの向上、製造コストの低減を図ることが可能になる。   At this time, since the pin hole 14 (15) is formed in a long hole shape, the movement of the crushing blade 11 in the circumferential direction is restricted by the step portions 12 and 13, and the movement in the direction of the axis O1 is performed by the pin 16. Be regulated. For this reason, even if it does not form the pin holes 14 and 15 and the pin 16 with high precision, it becomes possible to ensure the positioning precision of the crushing blade 11 with high precision. Thereby, it becomes possible to improve the manufacturing yield of the blade receiving base 10 and the crushing blade 11 (rotating blade E) and reduce the manufacturing cost.

以上、本発明に係る破砕機用の回転刃の一実施形態について説明したが、本発明は上記の一実施形態に限定されるものではなく、その趣旨を逸脱しない範囲で適宜変更可能である。   As mentioned above, although one Embodiment of the rotary blade for crushers which concerns on this invention was described, this invention is not limited to said one Embodiment, In the range which does not deviate from the meaning, it can change suitably.

本実施形態では、ピン孔１４、１５が円形孔（長孔／楕円形孔含む）で形成され、ピン１６が円柱状に形成されているものとしたが、ピン及びピン孔は刃受台１０に対して破砕刃１１の少なくとも軸線Ｏ１方向の移動を規制することが可能に形成されていればよい。例えば、ピン孔を溝等にしたり、ピンを板状に形成してもよい。   In the present embodiment, the pin holes 14 and 15 are formed as circular holes (including long holes / elliptical holes) and the pins 16 are formed in a columnar shape. On the other hand, it should just be formed so that the movement of at least the direction of the axis O1 of the crushing blade 11 can be restricted. For example, the pin hole may be a groove or the pin may be formed in a plate shape.

また、本実施形態では、ピン１６が刃受台１０や破砕刃１１と個別に形成されているものとしたが、予めピン１６を刃受台１０又は破砕刃１１に一体に設けて、刃受台１０又は破砕刃１１を形成してもよい。この場合においても、本実施形態と同様の作用効果を得ることが可能である。   Further, in this embodiment, the pin 16 is formed separately from the blade base 10 and the crushing blade 11, but the pin 16 is provided integrally with the blade base 10 or the crushing blade 11 in advance, The table 10 or the crushing blade 11 may be formed. Even in this case, it is possible to obtain the same effect as that of the present embodiment.

さらに、本実施形態では、刃受台１０及び破砕刃１１の一対の段部１２、１３の一対の係合面１２ａ、１３ａが軸線Ｏ１に沿う平面状で形成されているものとした。これに対し、例えば図１０から図１５に示すように、係合面１２ａ、１３ａをそれぞれ、軸線Ｏ１方向の厚さ方向中央に向かうに従い漸次周方向に突出あるいは凹むテーパー状に形成してもよい。そして、この場合には、刃受台１０の段部１２に破砕刃１１の段部１３を係合させるとともに、互いのテーパー状の係合面１２ａ、１３ａによって破砕刃１１を所定の位置に誘導して位置決めすることができる。これにより、さらに容易に且つ高精度で破砕刃１１を位置決めして刃受台１０に取り付けることが可能になる。   Furthermore, in this embodiment, the pair of engaging surfaces 12a and 13a of the pair of stepped portions 12 and 13 of the blade receiving base 10 and the crushing blade 11 are formed in a planar shape along the axis O1. On the other hand, for example, as shown in FIGS. 10 to 15, each of the engagement surfaces 12a and 13a may be formed in a tapered shape that gradually protrudes or dents in the circumferential direction toward the center in the thickness direction in the direction of the axis O1. . In this case, the stepped portion 13 of the crushing blade 11 is engaged with the stepped portion 12 of the blade receiving base 10, and the crushing blade 11 is guided to a predetermined position by the tapered engagement surfaces 12a and 13a. And can be positioned. As a result, the crushing blade 11 can be positioned and attached to the blade receiving base 10 more easily and with high accuracy.

１ 回転軸
２ 中心孔
３ 切刃部
４ 刃受台
４ａ 外周
５ 固定ボルト
６ 従来の破砕刃
６ａ 切刃部
７ ボルト挿通孔
８ ボルト挿通孔（雌ネジ孔）
１０ 刃受台
１０ａ 外周端部
１１ 破砕刃
１１ａ 切刃部
１１ｂ 当接部
１２ 段部
１２ａ 係合面
１３ 段部
１３ａ 係合面
１４ ピン孔
１５ ピン孔
１６ ピン
Ａ 従来の破砕機用の回転刃
Ｂ 従来の破砕機用の回転刃
Ｃ 従来の破砕機用の回転刃
Ｄ 従来の破砕機用の回転刃
Ｅ 破砕機用の回転刃
Ｏ１ 軸線 DESCRIPTION OF SYMBOLS 1 Rotating shaft 2 Center hole 3 Cutting blade part 4 Blade receiving base 4a Outer periphery 5 Fixing bolt 6 Conventional crushing blade 6a Cutting blade part 7 Bolt insertion hole 8 Bolt insertion hole (female screw hole)
DESCRIPTION OF SYMBOLS 10 Blade base 10a Perimeter edge part 11 Crushing blade 11a Cutting blade part 11b Contact part 12 Step part 12a Engagement surface 13 Step part 13a Engagement surface 14 Pin hole 15 Pin hole 16 Pin A Rotary blade for conventional crushers B Rotary blade for a conventional crusher C Rotary blade for a conventional crusher D Rotary blade for a conventional crusher E Rotary blade for a crusher O1 axis

Claims (4)

回転軸に互いの軸線を同軸上に配した状態で固着される刃受台と、
前記軸線中心の径方向外側に切刃部を配して前記刃受台の外周に着脱可能に取り付けられ、前記軸線中心の周方向に複数並設される破砕刃とを備えてなる破砕機用の回転刃であって、
前記刃受台の外周端部、及び前記刃受台の外周端部に当接する前記破砕刃の当接部には、前記周方向を向き、互いに面接触して係合する係合面を備えた段部が形成され、
且つ、前記刃受台の外周端部、及び／又は前記破砕刃の当接部には、ピン孔が凹設されており、
前記段部が係合することにより、前記刃受台に対して前記破砕刃を位置決めしつつ前記破砕刃の前記周方向の移動を規制し、
前記ピン孔にピンを嵌合させることにより、前記刃受台に対して前記破砕刃の前記軸線方向の移動を規制し、前記破砕刃を位置決めするように構成されていることを特徴とする破砕機用の回転刃。 A blade pedestal fixed in a state where the axis of each axis is coaxially arranged on the rotation shaft;
For a crusher comprising a crushing blade that is detachably attached to the outer periphery of the blade pedestal by arranging a cutting blade portion radially outward of the axis center, and a plurality of crushing blades arranged in parallel in the circumferential direction of the axis center A rotating blade of
The outer peripheral end portion of the blade cradle and the contact portion of the crushing blade that contacts the outer peripheral end portion of the blade cradle are provided with engaging surfaces that face the circumferential direction and engage each other in surface contact with each other. Stepped part is formed,
In addition, a pin hole is recessed in the outer peripheral end of the blade holder and / or the contact portion of the crushing blade,
By engaging the stepped portion, the movement of the crushing blade in the circumferential direction is regulated while positioning the crushing blade with respect to the blade base.
The crushing is configured to restrict the movement of the crushing blade in the axial direction relative to the blade pedestal and to position the crushing blade by fitting a pin into the pin hole. Rotary blade for machine. 請求項１記載の破砕機用の回転刃において、
前記刃受台の外周端部と前記破砕刃の当接部にそれぞれピン孔が凹設され、
前記刃受台及び前記破砕刃と個別に形成されたピンを前記刃受台の外周端部と前記破砕刃の当接部に形成された一対のピン孔に嵌合させることにより、前記刃受台に対して前記破砕刃の前記軸線方向の移動を規制するように構成されていることを特徴とする破砕機用の回転刃。 In the rotary blade for the crusher according to claim 1,
Pin holes are respectively provided in the outer peripheral end of the blade support and the contact portion of the crushing blade,
By fitting a pin formed separately from the blade pedestal and the crushing blade into a pair of pin holes formed in an outer peripheral end of the blade pedestal and a contact portion of the crushing blade, A rotary blade for a crusher configured to regulate movement of the crushing blade in the axial direction with respect to a table. 請求項１または請求項２に記載の破砕機用の回転刃において、
前記ピン孔に前記ピンを嵌合させた状態で前記ピンと前記ピン孔の内面の前記周方向の間に隙間が形成されるように、前記ピン孔が長孔状に形成されていることを特徴とする破砕機用の回転刃。 In the rotary blade for the crusher according to claim 1 or 2,
The pin hole is formed in a long hole shape so that a gap is formed between the pin and the inner surface of the pin hole in the circumferential direction with the pin fitted in the pin hole. Rotating blade for crusher. 請求項１から請求項３のいずれか一項に記載の破砕機用の回転刃において、
前記刃受台の外周端部及び前記破砕刃の当接部に形成された一対の前記段部の互いに係合して面接触する一対の係合面がそれぞれ、前記軸線方向の厚さ方向中央に向かうに従い漸次前記周方向に突出あるいは凹むテーパー状に形成されていることを特徴とする破砕機用の回転刃。 In the rotary blade for the crusher according to any one of claims 1 to 3,
A pair of engaging surfaces of the pair of stepped portions formed at the outer peripheral end portion of the blade base and the contact portion of the crushing blade are brought into surface contact with each other, respectively. A rotary blade for a crusher, which is formed in a taper shape that gradually protrudes or dents in the circumferential direction as it goes to.
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Publication number Priority date Publication date Assignee Title
JP2019130436A (en) * 2018-01-29 2019-08-08 日本スピンドル製造株式会社 Rotary blade, shear blade and support disk

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JPH06315648A (en) * 1993-04-30 1994-11-15 Aichi:Kk Crusher
JPH0725944U (en) * 1993-10-27 1995-05-16 株式会社ヘリオス Structure of rotary blade of rotary shearing machine
JP2003144955A (en) * 2001-11-16 2003-05-20 Kinki:Kk Shearing crusher
US20080029629A1 (en) * 2004-02-02 2008-02-07 Norbert Jakobi Cutter Knife

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JPS5644843U (en) * 1979-09-14 1981-04-22
US4966332A (en) * 1987-10-21 1990-10-30 Maschinenfabrik Laska Gesellschaft M.B.H. Meat chopper
JPH06315648A (en) * 1993-04-30 1994-11-15 Aichi:Kk Crusher
JPH0725944U (en) * 1993-10-27 1995-05-16 株式会社ヘリオス Structure of rotary blade of rotary shearing machine
JP2003144955A (en) * 2001-11-16 2003-05-20 Kinki:Kk Shearing crusher
US20080029629A1 (en) * 2004-02-02 2008-02-07 Norbert Jakobi Cutter Knife

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019130436A (en) * 2018-01-29 2019-08-08 日本スピンドル製造株式会社 Rotary blade, shear blade and support disk
JP7109200B2 (en) 2018-01-29 2022-07-29 日本スピンドル製造株式会社 Rotary blades, shear blades and support discs

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