JP5417414B2 - A multi-axis molder that can cut bent lamina materials while accurately determining the width. - Google Patents
A multi-axis molder that can cut bent lamina materials while accurately determining the width. Download PDFInfo
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- JP5417414B2 JP5417414B2 JP2011250131A JP2011250131A JP5417414B2 JP 5417414 B2 JP5417414 B2 JP 5417414B2 JP 2011250131 A JP2011250131 A JP 2011250131A JP 2011250131 A JP2011250131 A JP 2011250131A JP 5417414 B2 JP5417414 B2 JP 5417414B2
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Description
本発明は、集成材の製造に当たって木材の有効活用に関する。 The present invention relates to effective utilization of wood in the manufacture of laminated timber.
一般に建材の切削加工にはモルダーと呼ぶ木工機械を用いる。それは製材、乾燥された板材又は角材の上下左右を滑らかに削るものである。1台の機械が複数の刃物がセットされた回転軸を持ち、一工程で四面を高速で正確な寸法に仕上げるものである。 In general, a woodworking machine called a molder is used for cutting a building material. It smoothly cuts the top, bottom, left and right of a lumber, dried plate or square. A single machine has a rotating shaft on which a plurality of blades are set, and finishes all four surfaces at high speed and in an accurate dimension in one process.
以下の文中で用いる左右とは機械及び木材の送りの方向に向かっての意味である。
図1は従来のモルダーの構造を簡単に示す平面図である。1は下横軸、2は右縦軸、3は左縦軸、4は上横軸で、夫々板の下、右、左、上面の順に切削する。5は板を真っ直ぐに導くフェンスと呼ぶ定規、6は送材ローラー、7はフェンスから離れない様に圧すサイドローラーを示す。更に、8は送りの方向、6と7の横に付した矢印は夫々が圧す方向を示す。
The left and right used in the following sentences means the direction of machine and wood feeding.
FIG. 1 is a plan view simply showing the structure of a conventional molder.
近年、モルダーの高速化は進んだが、その基本的な構造設計に変化は無かった。木材資源が不足となるにつれて、集成材の生産が盛んとなり、小径木、曲がり材、端材等の活用が叫ばれるに至った。中でも曲がり材の有効利用が重要な課題となった。 In recent years, speeding up of molders has progressed, but the basic structural design has not changed. As timber resources became scarce, the production of laminated timber increased, and the use of small-diameter wood, bentwood, millwood, etc. was called out. In particular, the effective use of bending materials has become an important issue.
集成材を構成する板材をラミナと言い、接着・積層に適したラミナとは、個々の板材の四面の寸法が正確に揃い、且つ、表面が滑らかに削られている事が要求される。 A plate material constituting the laminated material is called a lamina, and a lamina suitable for bonding and laminating requires that the dimensions of the four surfaces of each plate material are accurately aligned and that the surface is smoothly cut.
モルダーの使用に当たって、曲がり材の場合、その曲がりを伸ばしながら切削しようと送り込むので、その際に応力が発生する。これを換言すればフェンスから離れようとする力であり、それが働いた時にフェンスと反対側の左縦軸が予定の取り幅以上に削ってしまう事が起こり、仕上げ幅が減少する。この現象を幅落ちと呼んでいる。 When using a molder, in the case of a bent material, stress is generated at that time because it is sent to cut while extending the bend. In other words, it is a force to move away from the fence, and when it works, the left vertical axis on the opposite side of the fence will be scraped more than the planned cutting width, and the finishing width will be reduced. This phenomenon is called a decline.
幅落ちには図2に示すような、未削りAやクワレBが含まれる。図2−1は固定フェンスに対して反り方向に曲がり、図2−2は拝み方向に曲がったケースを描いたもので、夫々のA印は未削りに因る幅落ち、Bはクワレ及び応力作用に因る幅落ちを示す。両図の(b)に描かれているのは断面図である。クワレB、幅落ちAが大きい場合はラミナとして使用不可能である。
The width reduction includes uncut A and quarrel B as shown in FIG. Fig. 2-1 shows the case bent in the warp direction with respect to the fixed fence, and Fig. 2-2 shows the case bent in the worship direction, where each A mark is a width drop due to uncut, B is a quarrel and stress It shows a drop in width due to action. What is depicted in both Fig. (B) it is a cross-sectional view. When the quarrel B and the width drop A are large, the lamina cannot be used.
図2−3は幅落ち材を積層・接着した直後と、図2−4はそれを削った後も幅落ち箇所が要補修として残った様子を示す。この状態では柱として使えないので、凹んだ箇所に手作業で木と同じ色のパテを充填して補修するが、それだけコストの増大と生産性向上の妨げとなっていた。クワレB、幅落ちAが補修限度を超えた場合、製品化する事は出来なかった。 FIG. 2-3 shows a state in which the width-decreasing material remains repaired, and FIG. Since it cannot be used as a pillar in this state, it is repaired by manually filling the recessed portion with a putty of the same color as the wood, but this hinders the increase in cost and productivity. When quarrel B and width drop A exceeded the repair limit, they could not be commercialized.
本発明は、曲がったラミナ材の幅を正確に決める為に、刃物がセットされた2つの縦の切削軸を左右相対する位置に置き、その直後の右に長さ50〜150mmの固定定規を、左に固定定規と同じ長さのサイドプレッシャー定規を置き、更にその直後の左右に固定定規とサイドプレッシャー定規との間の幅より広い幅でガイド壁を設けており、切削前の投入側には、右切削軸の直前まで材の曲がりに応じて任意に位置を調整出来るガイド定規を、左の対面にサイドローラーを置いたモルダーである。 In the present invention, in order to accurately determine the width of the bent lamina, the two vertical cutting axes on which the blades are set are placed at opposite positions, and a fixed ruler with a length of 50 to 150 mm is placed on the right immediately thereafter. placing the same length of the side pressure ruler and the fixed ruler left further has a guide wall has wider width than the width between the fixed ruler and the side pressure ruler to the left and right immediately, before cutting the input side Is a molder with a side roller on the left facing a guide ruler that can adjust the position arbitrarily according to the bending of the material until just before the right cutting axis .
本発明によるモルダーにおいて、左右のガイド壁を、固定定規、サイドプレッシャー定規の面から5〜15mm後退させて並行に設置するのが好ましい。 In the molder according to the present invention , it is preferable that the left and right guide walls are installed in parallel by retreating 5 to 15 mm from the surfaces of the fixed ruler and the side pressure ruler.
本発明のモルダーによれば、曲がり材を曲がりなりに正確に幅を保ちながらラミナ加工が出来る様になった。試作機によるテストの結果は申し分無く、材料の有効利用、歩留りの向上、生産性の向上等により、大幅な利益アップが確保出来る見通しとなった。 According to the molder of the present invention, the lamina can be processed while keeping the width accurately as the bending material is bent. The results of the test using the prototype machine were satisfactory, and it was predicted that a significant increase in profit could be secured by using materials effectively, improving yield, and improving productivity.
図4はこの発明で設計した新モルダーの簡単な平面図である。要約すれば、幅と密接に関係する縦の切削軸11及び12を相対軸として配置し、右切削軸11の直後に50−150mmの固定定規13と、左切削軸12の直後に同様の長さのサイドプレッシャー定規14を置いた。更にその先に、右ガイド壁15と左ガイド壁16を固定定規13、サイドプレッシャー定規14の面から5−15mm後退させて並行に設置した。以上が切削後の構造である。
FIG. 4 is a simple plan view of the new molder designed according to the present invention. In summary, the vertical cutting axes 11 and 12 closely related to the width are arranged as relative axes, a fixed
相対軸による切削軸11,12以前には、右切削軸11の直前まで材の曲がりに応じて任意に位置を調整できるガイド定規17を設け、左切削軸12の直前迄にはサイドローラー19を置いた。これにより、曲がり材を矯正しながら投入が出来る様にした。
Before cutting
図5の図5−1は右曲がりの板をモルダーに投入した様子を示し、ガイド定規17を広げた結果、板が曲がったままで投入されてゆく状態を示し、図5−2は逆に左に曲がった板を投入した結果、ガイド壁16の広げたところを出てゆこうとする様子を示す。
FIG. 5-1 in FIG. 5 shows a state in which the right-turned board is thrown into the molder. As a result of widening the
固定定規13とサイドプレシャー定規14について述べるが、定規を短くする事により応力を逃がす事が出来、相対軸11と12で幅を正確に決める事が出来るようになった。加えて加工材の横揺れと蛇行を抑止する事も出来た。その後はガイド壁15と16により出口迄導く様にした。
Although described
図3の図3−1、図3−2、図3−3は幅は全て同じであるが夫々が曲がっていたり真っ直ぐであったり、曲がりが板毎に異なっている様子を示す。ラミナを積層する際に上下左右からプレスしながら行うので、経験上3mの長さに対して30mm程度の曲がりであればプレスで矯正されるので製品化に問題はない。図3−4は曲がりの異なる板5枚を張り合わせた様子。図3−5は仕上がり図である。 3, 3-2, and 3-3 in FIG. 3 show that the widths are all the same, but each is bent or straight, and the bending is different for each plate. When lamina is laminated, it is pressed from the top, bottom, left, and right, so experience shows that there is no problem in commercialization because it can be corrected with a press if the bend is about 30 mm for a length of 3 m. Fig. 3-4 shows five plates with different bends. FIG. 3-5 is a finished drawing.
11:右切削軸11: Right cutting axis
12:左切削軸12: Left cutting axis
13:固定定規13: Fixed ruler
14:サイドプレッシャー定規14: Side pressure ruler
15:右ガイド壁15: Right guide wall
16:左ガイド壁16: Left guide wall
17:ガイド定規17: Guide ruler
19:サイドローラー19: Side roller
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JP7346349B2 (en) | 2020-03-27 | 2023-09-19 | 東レエンジニアリング株式会社 | gas sensor |
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CN104227102A (en) * | 2013-06-14 | 2014-12-24 | 南通恒鼎重型机床有限公司 | Multi-station edge milling machine |
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JPH0757481B2 (en) * | 1987-05-31 | 1995-06-21 | 飯田工業株式会社 | Multi-axis molder |
JPS649705U (en) * | 1987-07-07 | 1989-01-19 | ||
JPH028903U (en) * | 1988-06-30 | 1990-01-19 | ||
JP2002172601A (en) * | 2000-12-05 | 2002-06-18 | Ishida Engineering Kk | Method and apparatus for finishing square lumber |
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