JPH04129701A - Die and method for forming thin board - Google Patents
Die and method for forming thin boardInfo
- Publication number
- JPH04129701A JPH04129701A JP25116590A JP25116590A JPH04129701A JP H04129701 A JPH04129701 A JP H04129701A JP 25116590 A JP25116590 A JP 25116590A JP 25116590 A JP25116590 A JP 25116590A JP H04129701 A JPH04129701 A JP H04129701A
- Authority
- JP
- Japan
- Prior art keywords
- laminate
- mold
- thin wood
- wood board
- die
- 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
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 22
- 239000012530 fluid Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002023 wood Substances 0.000 claims description 50
- 230000000694 effects Effects 0.000 abstract description 2
- 238000003475 lamination Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Finished Plywoods (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、木材薄板の成形型及び成形方法に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a mold and a method for forming thin wood plates.
（従来の技術）
たとえば、第５図に示すような木材薄板１の裏面に接着
剤を介して合成樹脂製の可撓性シート２を貼着した積層
体３を、所定の形状、たとえば、第６図に示すような矩
形無端状の膨出部４を木材薄板１側（反対側の可撓性シ
ート２側は凹陥部となる）に設けた形状に成形する場合
、木材薄板１が成形時の曲げ等によって割れるのを防止
するため、第７図に示すように、成形直前の積層体３と
くに木材薄板１を水蒸気Ｓにより湿潤軟化させている。(Prior art) For example, a laminate 3 in which a flexible sheet 2 made of synthetic resin is adhered to the back surface of a thin wood board 1 as shown in FIG. When forming the endless rectangular bulge 4 as shown in Fig. 6 on the thin wood board 1 side (the opposite side of the flexible sheet 2 will be a concave part), the thin wood board 1 will be In order to prevent cracking due to bending or the like, the laminate 3, particularly the thin wood board 1, is moistened and softened with water vapor S immediately before being formed, as shown in FIG.
そして、成形は、水蒸気により軟化した積層体３を、型
開きした成形型５の下型６と上型７の間に配置し、第８
図に示すように、成形型５を型閉じして、積層体３を下
型６と上型７の間に挟持することによって行なっており
、この型閉じ状態で、下型６と上型７に形成した多数の
小孔８を介して積層体３とくに木材薄板１を乾燥硬化さ
せている。Then, in the molding, the laminate 3 softened by water vapor is placed between the lower mold 6 and the upper mold 7 of the opened mold 5, and
As shown in the figure, this is done by closing the mold 5 and sandwiching the laminate 3 between the lower mold 6 and the upper mold 7. In this mold closed state, the lower mold 6 and the upper mold 7 The laminate 3, particularly the thin wood board 1, is dried and hardened through a large number of small holes 8 formed in the laminate 3, particularly the thin wood board 1.
また、この際に、下型６と上型７に形成した流通路９に
温水を通して加熱することにより、積層体３の乾燥硬化
を促進することが行なわれている。Further, at this time, drying and hardening of the laminate 3 is promoted by heating hot water by passing it through the flow passages 9 formed in the lower mold 6 and the upper mold 7.
ところで、この方法では、積層体３を水蒸気Ｓにより湿
潤軟化させる際に、木材薄板１は直ちに膨脹するのに対
し、可撓性シート２は接着剤の影響ですぐには膨脹しな
いため、そのままでは、積層体３が、可撓性シート２を
内側にして彎曲し、円筒状に丸まって、下型６と上型７
の間に正しく配置することができなくなるので、第７図
に示すように、積層体３の周辺部をクランプ１１． ＋
２に保持した状態で、水蒸気Ｓにより軟化させ、この後
、成形型５を型閉じするまで、積層体３の周辺部をクラ
ンプ１１．１２に保持しなければならない。By the way, in this method, when the laminate 3 is moistened and softened by water vapor S, the thin wood board 1 expands immediately, but the flexible sheet 2 does not expand immediately due to the influence of the adhesive, so if it is left as it is, the laminate will not expand. The body 3 is curved with the flexible sheet 2 inside and rolled into a cylindrical shape, forming a lower mold 6 and an upper mold 7.
Therefore, as shown in FIG. 7, clamps 11. +
2, the periphery of the laminate 3 must be held in the clamps 11, 12 until it is softened by steam S, and then the mold 5 is closed.
そして、このクランプ１１．１２は成形型５の外形より
も太き（なるため、積層体３の大きさも必要以上に大き
くなり、材料のロスが多い。The clamps 11 and 12 are thicker than the outer shape of the mold 5 (as a result, the size of the laminate 3 becomes larger than necessary, resulting in a large loss of material.
また、この方法では、型閉じした状態で下型６と上型７
に挟持された状態の積層体３を、多数の小孔８を介して
、乾燥硬化させているが、小孔８から積極的に湿気を放
出させる工夫が成されておらず、小孔８の数にも限度が
あるため、積層体３の乾燥に１ないし数時間を必要とし
ている。In addition, in this method, the lower mold 6 and the upper mold 7 are
The laminate 3 sandwiched between the laminates 3 is dried and cured through a large number of small holes 8, but no measures have been taken to actively release moisture from the small holes 8. Since there is a limit to the number, it takes one to several hours to dry the laminate 3.
（発明が解決しようとする課題）
上述したように、従来の場合、木材薄板１の裏面に可撓
性シート２を貼着した積層体３を所定の形状に成形する
際に、成形型５の他に移動可能なりランプ１１． １２
を必要とし、しかも、このクランプ１１．１２を使用す
るために、積層体３が必要以上に大きくなるので、材料
のロスが多く、さらに、成形後の積層体３の乾燥に時間
がかかるという問題があった。(Problems to be Solved by the Invention) As described above, in the conventional case, when forming the laminate 3 in which the flexible sheet 2 is attached to the back surface of the thin wood board 1 into a predetermined shape, the forming die 5 is Lamp 11. Can be moved to other places. 12
Furthermore, since the laminate 3 becomes larger than necessary due to the use of the clamps 11 and 12, there is a problem in that there is a lot of material loss and it takes time to dry the laminate 3 after molding. was there.
本発明は、このような点に鑑みなされたもので、別のク
ランプ等を用いることなく、成形型において、積層体の
軟化から成形まで、さらに、場合によっては硬化までを
短時間で行なうことを目的とするものである。The present invention was developed in view of these points, and it is possible to carry out the process from softening to molding of a laminate in a mold, and even hardening in some cases, in a short time without using a separate clamp or the like. This is the purpose.
（課題を解決するための手段）
本発明の請求項１は、木材薄板１の裏面に可撓性シート
２を貼着した積層体３を挟持して所定の形状に成形する
下型２２と上型２３から成る木材薄板１の成形型２１に
関するものであって、木材薄板１に対する一方の型２２
のキャビティ面２４に木材薄板１を軟化させる処理流体
Ｓ及び／または木材薄板１を硬化させる処理流体Ａが流
通する空隙２５を形成したものである。(Means for Solving the Problems) Claim 1 of the present invention consists of a lower die 22 and an upper die which sandwich a laminate 3 in which a flexible sheet 2 is attached to the back side of a thin wood board 1 and mold it into a predetermined shape. It concerns a mold 21 for a thin wood board 1 consisting of a mold 23, one mold 22 for the thin wood board 1.
A cavity 25 is formed in the cavity surface 24 of the wafer, through which a processing fluid S for softening the thin wood board 1 and/or a processing fluid A for hardening the thin wood board 1 flows.
そして、本発明の請求項２は、請求項１の木材薄板１の
成形型２１において、型閉じ時に積層体３の周辺部を中
央部方向に移動可能に保持する保持部４８．４９を下型
２２と上型２３に形成したものである。In the second aspect of the present invention, in the mold 21 for the thin wood board 1 according to the first aspect, the holding parts 48 and 49 that hold the peripheral part of the laminate 3 so as to be movable toward the center when the mold is closed are connected to the lower mold. 22 and the upper die 23.
また、本発明の請求項３は、木材薄板１の裏面に可撓性
シート２を貼着した積層体３を下型２２と上型２３で挾
持して所定の形状に成形する木材薄板１の成形方法に関
するものであって、積層体３の周辺部を下型２２の周辺
部と上型２３の周辺部の間において中央部方向に移動可
能に保持する工程と、木材薄板１に対して水蒸気Ｓを供
給して湿潤軟化させる工程と、積層体３を下型２２と上
型２３で挟持して所定の形状に成形する工程と、木材薄
板１に対して乾燥空気Ａを供給して乾燥硬化させる工程
とを備えたものである。In addition, claim 3 of the present invention provides a thin wood board 1 which is formed into a predetermined shape by sandwiching a laminate 3 in which a flexible sheet 2 is attached to the back surface of the thin wood board 1 between a lower mold 22 and an upper mold 23. This relates to the forming method, and includes a step of holding the peripheral part of the laminate 3 movably toward the center between the peripheral part of the lower mold 22 and the peripheral part of the upper mold 23, and applying water vapor to the thin wood board 1. A step of supplying S to wet and soften, a step of sandwiching the laminate 3 between a lower die 22 and an upper die 23 and forming it into a predetermined shape, and a step of supplying dry air A to the thin wood board 1 to dry and harden it. The method includes a step of
（作用）
本発明の請求項１の木材薄板１の成形型２１は、下型２
２と上型２３の間に配置した成形前の積層体３の木材薄
板１に対して、型２２の空隙２５から処理流体Ｓを供給
して軟化させ、軟化した積層体３を下型２２と上型２３
により所定の形状に成形する。そして、場合によっては
、この後、積層体３の木材薄板１に対して、型２２の空
隙２５から処理流体Ａを供給して硬化させるものである
。(Function) The mold 21 for the thin wood plate 1 according to claim 1 of the present invention has a lower mold 2
The processing fluid S is supplied from the gap 25 of the mold 22 to the thin wood plate 1 of the laminate 3 before molding placed between the mold 2 and the upper mold 23 to soften it, and the softened laminate 3 is placed between the lower mold 22 and the thin wood plate 1 of the laminate 3 before molding. Upper mold 23
It is then molded into a predetermined shape. Then, depending on the case, after this, the processing fluid A is supplied to the thin wood plates 1 of the laminate 3 from the voids 25 of the mold 22 to harden them.
そして、本発明の請求項２は、上記請求項１の木材薄板
１の成形型２１において、積層体３の木材薄板１に対し
て、処理流体Ｓを供給して軟化させる際に、下型２２の
保持部４８と上型２３の保持部４９により積層体３の周
辺部を中央部方向に移動可能に保持することにより、積
層体３の彎曲を阻止するもので、成形時に、積層体３の
周辺部は下型２２の保持部４８と上型２３の保持部４９
の間を中央部方向に移動することができる。According to a second aspect of the present invention, in the mold 21 for the thin wood plate 1 according to the first aspect, when the thin wood plate 1 of the laminate 3 is supplied with the processing fluid S to soften it, the lower die 22 The holder 48 of the upper die 23 and the holder 49 of the upper mold 23 hold the peripheral part of the laminate 3 so as to be movable toward the center, thereby preventing the laminate 3 from curving. The peripheral part is a holding part 48 of the lower mold 22 and a holding part 49 of the upper mold 23.
It is possible to move between the two in the direction of the center.
また、本発明の請求項３の木材薄板１の成形方法は、下
型２２と上型２３の間に配置した成形前の積層体３の周
辺部を下型２２の周辺部と上型２３の周辺部の間に中央
部方向に移動可能に保持することにより、積層体３の彎
曲を阻止し、この状態で、積層体３の木材薄板１に対し
、処理流体として水蒸気Ｓを供給して軟化させ、軟化し
た積層体３を下型２２と上型２３により所定の形状に成
形した後、積層体３の木材薄板１に対し、処理流体とし
て乾燥空気Ａを供給して硬化させるものである。Further, in the method for forming the thin wood board 1 according to claim 3 of the present invention, the peripheral part of the laminate 3 before molding placed between the lower mold 22 and the upper mold 23 is formed between the peripheral part of the lower mold 22 and the upper mold 23. By holding the laminate 3 so that it can move toward the center between the peripheral parts, the laminate 3 is prevented from curving, and in this state, water vapor S is supplied as a processing fluid to the thin wood boards 1 of the laminate 3 to soften them. After forming the softened laminate 3 into a predetermined shape using a lower mold 22 and an upper mold 23, dry air A is supplied as a processing fluid to the thin wood boards 1 of the laminate 3 to harden them.
（実施例）
本発明の木材薄板の成形型及び成形方法の実施例を図面
を参照して説明する。(Example) An example of the mold and method for forming a thin wood board according to the present invention will be described with reference to the drawings.
第１図ないし第４図は成形型２１を示し、この成形型２
１は、下型２２と上型２３とて構成され、第５図に示し
た積層体３を第６図に示した形状に成形するためのもの
である。1 to 4 show a mold 21, and this mold 2
Reference numeral 1 is composed of a lower mold 22 and an upper mold 23, and is used to mold the laminate 3 shown in FIG. 5 into the shape shown in FIG. 6.
そして、下型２２の上面には、積層体３の表面側つまり
木材薄板１に対するキャビティ面２４が形成され、この
キャビティ面２４の適所に木材薄板１に対する空隙２５
が形成され、この空隙２５の下部に対する流入口２６と
この空隙２５の上部に対する流出口２７が下型２２の側
部に形成され、流入口２６がら空隙２５に処理流体とし
ての水蒸気Ｓ及び処理流体としての乾燥空気Ａが供給さ
れるようになっている。A cavity surface 24 for the surface side of the laminate 3, that is, the thin wood plate 1, is formed on the upper surface of the lower mold 22, and a cavity 25 for the thin wood plate 1 is formed at an appropriate position on this cavity surface 24.
An inlet 26 for the lower part of this gap 25 and an outlet 27 for the upper part of this gap 25 are formed on the side of the lower mold 22, and water vapor S as a processing fluid and the processing fluid are introduced into the gap 25 from the inlet 26. Dry air A is supplied.
また、上型２３は、図示しないシリンダ機構によって昇
降するプレート３１の下面に固定された内側部材３２と
、この内側部材３２の外側に上下方向摺動可能に嵌合さ
れた外側部材３３から成り、この外側部材３３は、上記
プレート３１の下部に複数のロッド３４を介して上下方
向に所定距離だけ移動可能に支持されているとともに、
上記各ロッド３４の外側に装着されたコイルスプリング
３５により内側部材３２に対して下方に突出するように
付勢されている。Moreover, the upper mold 23 consists of an inner member 32 fixed to the lower surface of a plate 31 that is moved up and down by a cylinder mechanism (not shown), and an outer member 33 fitted to the outside of this inner member 32 so as to be slidable in the vertical direction, This outer member 33 is supported at the lower part of the plate 31 via a plurality of rods 34 so as to be movable by a predetermined distance in the vertical direction, and
A coil spring 35 attached to the outside of each rod 34 urges the rod 34 to protrude downward relative to the inner member 32.
なお、上記上型２３の内側部材３２と外側部材３３の関
係において、内側部材３２に対する外側部材３３の下降
位置は、上記各ロッド３４の頭部３６によって決定され
、外側部材３３に対する内側部材３２の下降位置は、外
側部材３３の上部に突設された複数のストッパ３７によ
って決定される。In addition, in the relationship between the inner member 32 and the outer member 33 of the upper mold 23, the lowering position of the outer member 33 with respect to the inner member 32 is determined by the head 36 of each rod 34, and the lowering position of the inner member 32 with respect to the outer member 33 The lowered position is determined by a plurality of stoppers 37 protruding from the upper part of the outer member 33.
そして、上記内側部材３２と外側部材３３から成る上型
２３の下面には、積層体３の裏面側つまり可撓性シート
２に対するキャビティ面４１が形成され、このキャビテ
ィ面４１の適所に可撓性シート２に対する空隙４２が形
成され、この空隙４２に対する流入口４３と流出口４４
が内側部材３２の側部に形成され、流入口４３がら空隙
４２に処理流体としての乾燥空気Ａが供給されるように
なっている。A cavity surface 41 for the back side of the laminate 3, that is, the flexible sheet 2, is formed on the lower surface of the upper mold 23 consisting of the inner member 32 and the outer member 33. A gap 42 is formed for the sheet 2, and an inlet 43 and an outlet 44 for this gap 42 are formed.
is formed on the side of the inner member 32, and dry air A as a processing fluid is supplied to the gap 42 through an inlet 43.
また、上記下型２２のキャビティ面２４の周辺部に上記
積層体３の周辺部に対する保持部としての凹部４８が積
層体３の板厚と同程度の深さに形成され、この凹部４８
に対する上型２３のキャビティ面４１の周辺部つまり外
側部材３３の下面４９も積層体３の周辺部に対する保持
部となっている。Further, a recess 48 serving as a holding portion for the peripheral portion of the laminate 3 is formed at a peripheral portion of the cavity surface 24 of the lower mold 22 to have a depth comparable to the thickness of the laminate 3.
The peripheral portion of the cavity surface 41 of the upper die 23, that is, the lower surface 49 of the outer member 33 also serves as a holding portion for the peripheral portion of the laminate 3.
そうして、積層体３の成形に際しては、まず、第２図に
示すように、型開きした成形型２１の下型２２のキャビ
ティ面２４上に所定寸法の積層体３を木材薄板１を下に
して配置し、この積層体３の周辺部を下型２２の凹部４
８に係合する。When molding the laminate 3, first, as shown in FIG. The periphery of this laminate 3 is placed in the recess 4 of the lower mold 22.
8.
ついで、第３図に示すように、成形型２１を半分だけ型
閉じして、上型２３の外側部材３３の下面４９が下型２
２の凹部４８の外側部に当接するまで上型２３を下げ、
これによって、積層体３の周辺部を、下型２２の周辺部
と上型２３の周辺部の間に挟持し、下型２２の凹部４８
に保持する。Next, as shown in FIG. 3, half of the mold 21 is closed so that the lower surface 49 of the outer member 33 of the upper mold 23 is aligned with the lower mold 2.
Lower the upper mold 23 until it comes into contact with the outer part of the recess 48 of No. 2,
As a result, the peripheral part of the laminate 3 is sandwiched between the peripheral part of the lower mold 22 and the peripheral part of the upper mold 23, and the recess 48 of the lower mold 22
to hold.
なお、ここで、下型２２の凹部４８の深さは積層体３の
板厚と同程度であるため、積層体３は中央部方向に移動
することができるようになっている。Note that here, since the depth of the recess 48 of the lower mold 22 is approximately the same as the thickness of the laminate 3, the laminate 3 can be moved toward the center.
そして、この状態で、下型２２の流入口２６から空隙２
５に処理流体としての水蒸気Ｓを供給する。In this state, from the inlet 26 of the lower mold 22 to the air gap 2
5 is supplied with water vapor S as a processing fluid.
すると、流入口２６から供給された水蒸気Ｓにより空隙
２５内の空気が流出口２７から追出され、空隙２５内が
水蒸気Ｓで満たされ、さらに、新しい水蒸気Ｓが次々に
流入口２６から空隙２５を通して流出口２７に流れるの
で、積層体３の木材薄板１がすみやかに湿潤軟化する。Then, the air in the void 25 is expelled from the outflow port 27 by the water vapor S supplied from the inlet 26, the space 25 is filled with water vapor S, and new water vapor S is successively introduced from the inlet 26 into the void 25. As the water flows through the pipe to the outlet 27, the wood laminates 1 of the laminate 3 are quickly moistened and softened.
そして、この際に、木材薄板１が直ちに膨張するため、
積層体３が可撓性シート２を内側にして彎曲しようとす
るが、積層体３の周辺部が上型２３の外側部材３３の下
面により下型２２の凹部４８に保持されているため、積
層体３の彎曲が阻止される。At this time, since the thin wood board 1 immediately expands,
The laminate 3 tries to bend with the flexible sheet 2 inside, but since the peripheral part of the laminate 3 is held in the recess 48 of the lower mold 22 by the lower surface of the outer member 33 of the upper mold 23, the laminate 3 is bent. Curvature of body 3 is prevented.
そして、積層体３が軟化したら、第４図に示すように、
成形型２１を完全に型閉じして、上型２３の内側部材３
２を下型２２に下降し、これによって、下型２２のキャ
ビティ面２４と上型２３のキャビティ面４１により積層
体３を所定の形状に成形する。Then, when the laminate 3 is softened, as shown in FIG.
After completely closing the mold 21, the inner member 3 of the upper mold 23 is removed.
2 is lowered into the lower mold 22, whereby the laminate 3 is molded into a predetermined shape by the cavity surface 24 of the lower mold 22 and the cavity surface 41 of the upper mold 23.
なお、この成形の際、積層体３の周辺部を保持した下型
２２の凹部４８の深さは積層体３の板厚と同程度である
ため、積層体３の周辺部は中央部方向に移動することが
でき、したがって、積層体３が破損することがない。Note that during this molding, the depth of the recess 48 of the lower die 22 that holds the peripheral part of the laminate 3 is approximately the same as the thickness of the laminate 3, so the peripheral part of the laminate 3 moves toward the center. Therefore, the laminate 3 will not be damaged.
そして、この型閉じが完了すると、下型２２の流入口２
６から空隙２５にそれまでの水蒸気Ｓの代わりに処理流
体としての乾燥空気Ａを供給する。When this mold closing is completed, the inlet 2 of the lower mold 22
Dry air A as a processing fluid is supplied to the gap 25 from 6 to the gap 25 instead of the water vapor S so far.
すると、流入口２６から供給された乾燥空気Ａにより空
隙２５内の水蒸気Ｓが流出口２７から追出され、空隙２
５内が乾燥空気Ａて満たされ、さらに、新しい乾燥空気
Ａが次々に流入口２６から空隙２５を通して流出口２７
に流れるので、積層体３の木材薄板１の湿気が奪われて
、積層体３がすみやかに乾燥硬化する。Then, the water vapor S in the gap 25 is expelled from the outlet 27 by the dry air A supplied from the inlet 26, and the air gap 2
5 is filled with dry air A, and new dry air A is successively introduced from the inlet 26 through the gap 25 to the outlet 27.
, the moisture in the thin wood plates 1 of the laminate 3 is removed, and the laminate 3 quickly dries and hardens.
また、これと同時に、上型２３の流入口４３がら空隙４
２にも乾燥空気Ａを供給し、これによって、流入口４３
から供給された乾燥空気入により空隙４２内の湿気が流
出口４４から追出され、さらに、新しい乾燥空気Ａが次
々に流入口４３がら空隙４２を通して流出口４４に流れ
て、積層体３の湿気を奪い、積層体３の乾燥硬化を促進
する。At the same time, the inlet 43 of the upper die 23 is closed to the air gap 4.
2 is also supplied with dry air A, thereby causing the inlet 43 to
The moisture in the gap 42 is expelled from the outlet 44 by the dry air inlet supplied from the inlet 42, and new dry air A successively flows from the inlet 43 through the gap 42 to the outlet 44, removing the moisture in the laminate 3. and accelerates drying and curing of the laminate 3.
そして、この状態で、たとえば数分程度経過すると、積
層体３は乾燥硬化し、この時間が経過したら、成形型２
１を型開きして積層体３を下型２２と上型２３の間から
取出す。In this state, for example, after several minutes pass, the laminate 3 dries and hardens, and after this time passes, the mold 2
1 is opened and the laminate 3 is taken out from between the lower mold 22 and the upper mold 23.
上述したように、本発明によれば、成形型において、積
層体の軟化から成形まで、さらに、場合によっては硬化
までを行なうことができ、しかも、成形型と別のクラン
プを必要としないため、積層体を大きくする必要がなく
、したがって、材料のロスが少なく、さらに、成形後の
積層体の乾燥もすみやかに行なうことができるので、成
形サイクルを大幅に短縮することができる。As described above, according to the present invention, the laminate can be softened, molded, and even hardened in the mold, and a clamp separate from the mold is not required. There is no need to increase the size of the laminate, so there is less material loss, and the laminate can be quickly dried after molding, so the molding cycle can be significantly shortened.
図は本発明の木材薄板の成形型及び成形方法の実施例で
、第１図は成形型の断面斜視図、第２図ないし第４図は
成形工程を示す成形型の縦断面図、第５図は成形前の積
層体の斜視図、第６図は成形後の積層体の斜視図、第７
図及び第８図は従来の成形工程を示す成形型の断面図。
１・・木材薄板、２・・可撓性シート、３・・積層体、
２１・・成形型、２２・・下型、２３・・上型、２４・
・下型２２のキャビティ面、２５・・キャビティ面２４
の空隙、４８・・保持部としての下型２２の凹部、４９
・・保持部としての上型２３の外側部材３３の下面、Ｓ
・・処理流体としての水蒸気、Ａ・・処理流体としての
乾燥空気。The figures show examples of the mold and method for forming thin wood plates according to the present invention, in which Figure 1 is a cross-sectional perspective view of the mold, Figures 2 to 4 are longitudinal cross-sectional views of the mold showing the molding process, and Figure 5 is a cross-sectional perspective view of the mold. The figure is a perspective view of the laminate before molding, Figure 6 is a perspective view of the laminate after molding, and Figure 7 is a perspective view of the laminate before molding.
FIG. 8 is a sectional view of a mold showing a conventional molding process. 1. Thin wood board, 2. Flexible sheet, 3. Laminate,
21. Molding mold, 22. Lower mold, 23. Upper mold, 24.
・Cavity surface of lower mold 22, 25...Cavity surface 24
air gap, 48... recessed part of the lower mold 22 as a holding part, 49
...The lower surface of the outer member 33 of the upper mold 23 as a holding part, S
...Water vapor as a processing fluid, A...Dry air as a processing fluid.
Claims (3)
を挟持して所定の形状に成形する下型と上型から成る木
材薄板の成形型であって、木材薄板に対する一方の型の
キャビティ面に木材薄板を軟化させる処理流体及び／ま
たは木材薄板を硬化させる処理流体が流通する空隙を形
成したことを特徴とする木材薄板の成形型。(1) A mold for thin wood boards consisting of a lower mold and an upper mold that sandwich and form a laminate with a flexible sheet attached to the back side of the thin wood board, one mold for the thin wood board. 1. A mold for forming a thin wood board, characterized in that a cavity surface thereof is formed with a gap through which a processing fluid for softening the thin wood board and/or a processing fluid for hardening the thin wood board flows.
能に保持する保持部を下型と上型に形成したことを特徴
とする請求項１に記載の木材薄板の成形型。(2) The thin wood plate forming mold according to claim 1, wherein the lower mold and the upper mold are provided with holding parts that hold the peripheral part of the laminate so that it can move toward the center when the mold is closed.
を下型と上型で挟持して所定の形状に成形する木材薄板
の成形方法であって、 積層体の周辺部を下型の周辺部と上型の周辺部の間にお
いて中央部方向に移動可能に保持する工程と、 木材薄板に対して水蒸気を供給して湿潤軟化させる工程
と、 積層体を下型と上型で挟持して所定の形状に成形する工
程と、 木材薄板に対して乾燥空気を供給して乾燥硬化させる工
程と を備えたことを特徴とする木材薄板の成形方法。(3) A thin wood board forming method in which a laminate with a flexible sheet pasted on the back side of the thin wood board is held between a lower die and an upper die and formed into a predetermined shape. A process of holding the laminate so that it can move toward the center between the periphery of the mold and the periphery of the upper mold, a process of supplying water vapor to the thin wood board to moisten and soften it, and a process of holding the laminate between the lower mold and the upper mold. 1. A method for forming a thin wood board, comprising: a step of holding the thin wood board and forming it into a predetermined shape; and a step of supplying dry air to the thin wood board to dry and harden the thin wood board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25116590A JP2796186B2 (en) | 1990-09-20 | 1990-09-20 | Mold and method for forming thin wood plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25116590A JP2796186B2 (en) | 1990-09-20 | 1990-09-20 | Mold and method for forming thin wood plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04129701A true JPH04129701A (en) | 1992-04-30 |
| JP2796186B2 JP2796186B2 (en) | 1998-09-10 |
Family
ID=17218646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25116590A Expired - Fee Related JP2796186B2 (en) | 1990-09-20 | 1990-09-20 | Mold and method for forming thin wood plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2796186B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06178386A (en) * | 1992-12-04 | 1994-06-24 | Onkyo Corp | Diaphragm for cone speaker and manufacturing method thereof |
| JP2007221762A (en) * | 2006-01-17 | 2007-08-30 | Victor Co Of Japan Ltd | Diaphragm for electroacoustic transducer |
| JP2007221763A (en) * | 2006-01-17 | 2007-08-30 | Victor Co Of Japan Ltd | Electroacoustic transducer |
-
1990
- 1990-09-20 JP JP25116590A patent/JP2796186B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06178386A (en) * | 1992-12-04 | 1994-06-24 | Onkyo Corp | Diaphragm for cone speaker and manufacturing method thereof |
| JP2007221762A (en) * | 2006-01-17 | 2007-08-30 | Victor Co Of Japan Ltd | Diaphragm for electroacoustic transducer |
| JP2007221763A (en) * | 2006-01-17 | 2007-08-30 | Victor Co Of Japan Ltd | Electroacoustic transducer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2796186B2 (en) | 1998-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US1980022A (en) | Method and apparatus for covering articles with sheet material | |
| US4385955A (en) | Method of forming contoured fiberglass sheet | |
| EP0973634B1 (en) | Method of manufacturing a molded door skin from a wood composite, door skin produced therefrom, and door manufactured therewith | |
| JPH02175238A (en) | Method for continuously molding honeycomb panel | |
| US2363431A (en) | Apparatus for molding plywood | |
| JPH04129701A (en) | Die and method for forming thin board | |
| US6689301B1 (en) | Method of manufacturing a molded door skin from a wood composite, door skin produced therefrom, and door manufactured therewith | |
| US3107708A (en) | Novel wood bending method | |
| KR100571972B1 (en) | Method for manufacturing molded door skin from wood composite, door skin manufactured therefrom, and door manufactured to have same | |
| CN102365157A (en) | Method of producing compressed wood product | |
| US2812549A (en) | Method of making flat printing plates of thermo-active material | |
| CN101909835B (en) | Compressed wood product and method of manufacturing same | |
| JPS608924B2 (en) | Device for bonding decorative covering boards to plywood using intake air and thermal pressure | |
| US2390684A (en) | Veneer press | |
| JPS6054808A (en) | Manufacture of rigid block cement board having deep groove pattern | |
| JP2582335B2 (en) | Method and apparatus for molding fiber-reinforced plastic moldings | |
| CN220741849U (en) | Composite material rod piece forming tool | |
| JPS6239224A (en) | Method of manufacturing composite material pipes | |
| JP2008230176A (en) | Sheet peeling method and apparatus | |
| US3620877A (en) | Method of making electrotype printing plates | |
| JPH08267498A (en) | Method and apparatus for shaping sheet for skin | |
| JPH0274326A (en) | Method and device for continuous composite material | |
| TW583068B (en) | Method of vacuum drawing and press forming resin | |
| JPS6030266B2 (en) | Laminating equipment | |
| JPH0541405B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |