JPH0769124B2 - Lumber product finish thickness calculator - Google Patents

Lumber product finish thickness calculator

Info

Publication number
JPH0769124B2
JPH0769124B2 JP2004349A JP434990A JPH0769124B2 JP H0769124 B2 JPH0769124 B2 JP H0769124B2 JP 2004349 A JP2004349 A JP 2004349A JP 434990 A JP434990 A JP 434990A JP H0769124 B2 JPH0769124 B2 JP H0769124B2
Authority
JP
Japan
Prior art keywords
lumber
cutting
computer
product
lumber product
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.)
Expired - Fee Related
Application number
JP2004349A
Other languages
Japanese (ja)
Other versions
JPH03210401A (en
Inventor
兼司 野崎
眞也 白川
眞 佐藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hokkaido Prefecture
Original Assignee
Hokkaido Prefecture
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hokkaido Prefecture filed Critical Hokkaido Prefecture
Priority to JP2004349A priority Critical patent/JPH0769124B2/en
Publication of JPH03210401A publication Critical patent/JPH03210401A/en
Publication of JPH0769124B2 publication Critical patent/JPH0769124B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • A Measuring Device Byusing Mechanical Method (AREA)
  • Automatic Control Of Machine Tools (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)

Description

【発明の詳細な説明】 技術分野 本発明は、幅ぞり、ねじれ、そり、厚さ不同等を有する
製材品を、むら取り鉋盤或は多軸鉋盤で平削りして、片
面或は両面を平面化する前段で、製材品が鉋削盤を通過
する場合と同様またはそれに近い状態で形状を検知し、
むら取り厚さ、切削仕上がり厚さ、また、長さを切断し
た方がよい場合はその位置を計算し、表示または出力す
る装置に関するものである。
Description: TECHNICAL FIELD The present invention is to flatten a lumber product having a widthwise warp, a twist, a warp, and an uneven thickness with a spotting plane or a multi-axis plane to obtain one side or In the previous stage of flattening both sides, the shape is detected in the same state as when the sawmill passes through the plane and the state close to it,
The present invention relates to a device for calculating and displaying or outputting the uneven thickness, the finished thickness of cutting, and the position when the length should be cut.

従来分野 従来、むら取り厚さ及び切削仕上がり厚さの決定・分類
は、例えば製材品一枚一枚の厚さやそり等を計り、熟練
者の経験に基づいておこなわれてきた。また、一回の切
削厚さを少なく設定し、仕上がり面が得られるまで複数
回の反復切削するなどの方法がとられてきた。これらに
よれば切削厚さの過不足が生じたり、また、人工数、切
削回数も多くを要し、作業能率も悪化するという欠点が
あった。
2. Description of the Related Art Conventionally, the determination and classification of the uneven thickness and the finished cutting thickness have been performed based on the experience of a skilled person, for example, by measuring the thickness of each lumber product, the warpage, and the like. Also, a method has been adopted in which the thickness of one cut is set to be small, and repeated cutting is performed a plurality of times until a finished surface is obtained. According to these, there is a drawback in that the cutting thickness becomes excessive or deficient, the number of man-hours and the number of times of cutting are large, and the work efficiency is deteriorated.

目的 本発明は、上記欠点に鑑みてなされたもので、その目的
は、個々の木材に最良のむら取り厚さ、仕上がり厚さ、
また、切断位置を指示し、木材の材積歩留まりの向上、
木材加工の高能率化、及び高精度化を達成する装置を提
供することにある。
Object The present invention has been made in view of the above-mentioned drawbacks, and an object thereof is to obtain the best uneven thickness, finished thickness, and individual wood.
In addition, the cutting position is indicated to improve the timber volume yield,
An object of the present invention is to provide a device that achieves high efficiency and high accuracy in wood processing.

実施例 本発明のものは、製材品のむら取り切削仕上げ工程にお
いて、長さ方向に送材される乱尺製材品である被測定材
4を、送材テーブル2と上方より加圧されつつ回転駆動
される2個の送材ローラ3A,3B間に送材し、その上方よ
り加圧された2個の送材ローラ3A,3B間における送材テ
ーブル2上面から製材品下面までの変位量と送材テーブ
ル上面から製材品上面までの変位量を検出する1対もし
くは複数対の下面変位計17,上面変位計29、及び製材品
前端から変位量検出位置までの距離を検出するエンコー
ダ30とカウンタ31を設置し、前記下面変位計17,上面変
位計29及びカウンタ31からの信号により製材品のモルダ
ー切削加工時の形状を予測するコンピュータ34を設け、
該コンピュータの形状予測結果から該コンピュータによ
り製材品下面を最小限の切削量で平滑に切削するための
最適むら取り厚さ、平滑に切削した製材品下面を基準に
上面を最小限の切削量で平滑に切削した際の仕上がり厚
さ、最も厚い仕上がり厚さを得る事ができる切断位置の
計算及び判断を行い、判断結果の表示または、外部機器
へ出力することを特徴とするよう構成した製材品仕上が
り厚さ計算装置に関するものである。
Example In the example of the present invention, in the uneven cutting finishing process of a lumber product, the material to be measured 4 which is a random lumber product to be fed in the length direction is rotationally driven while being pressed from above the material feeding table 2. The material is fed between the two material-feeding rollers 3A and 3B, and the amount of displacement from the upper surface of the material-feeding table 2 to the lower surface of the lumber product is fed between the two material-feeding rollers 3A and 3B pressed from above. One or more pairs of lower surface displacement gauges 17 for detecting the displacement amount from the upper surface of the lumber table to the upper surface of the lumber product, an upper surface displacement gauge 29, and an encoder 30 and a counter 31 for detecting the distance from the front end of the lumber material to the displacement amount detection position. The bottom surface displacement gauge 17, the top surface displacement gauge 29, and a computer 34 that predicts the shape of the sawmill product during the moulder cutting process based on signals from the counter 31 are provided.
From the shape prediction result of the computer, the computer uses the computer to optimally remove the unevenness of the lumber bottom surface with a minimum amount of cutting, and the top surface of the lumber surface is cut with a minimum amount A lumber product configured to calculate and judge the finished thickness after smooth cutting, the cutting position that can obtain the thickest finished thickness, and display the judgment result or output to an external device. The present invention relates to a finished thickness calculation device.

以下、本発明を一実施例である添付図面にしたがって説
明する。
Hereinafter, the present invention will be described with reference to the accompanying drawings, which are one embodiment.

第1図は、本発明実施の一例である測定装置を示す正面
図、第2図は第1図A−A線における横断正面図、第3
図は第1図の測定部分の配列を示す正面図である。図に
おいて支持部材1に支持されている送材テーブル2に対
向してその上に送材ローラ3A,3Bが配置されており、こ
の間に被測定材4の送材路を形成している。送材ローラ
3A,3Bは支持部材1に取着された支持部材5にピン6を
介して揺動可能に上端支持されたリンク7A,7Bの下端で
回転自在に支持されており、また、空気圧シリンダ8A,8
Bは支持部材1に取着された支持部材9A,9Bにピン10A,10
Bを介して揺動可能に支持され、ロッド16A,16Bの下端は
リンク7A,7Bにピン11A,11Bを介して揺動可能に支持され
る。
FIG. 1 is a front view showing a measuring apparatus according to an embodiment of the present invention, FIG. 2 is a transverse front view taken along the line AA in FIG. 1, and FIG.
The figure is a front view showing the arrangement of the measurement portions in FIG. In the figure, material feeding rollers 3A and 3B are arranged on the material feeding table 2 supported by a supporting member 1 so as to face the material feeding table 2, and a material feeding path for the material 4 to be measured is formed therebetween. Material feeding roller
3A and 3B are rotatably supported at the lower ends of links 7A and 7B that are swingably supported at the upper end on a supporting member 5 attached to the supporting member 1 via pins 6, and pneumatic cylinders 8A, 8
B is the pin 10A, 10 on the support member 9A, 9B attached to the support member 1.
The rods 16A, 16B are swingably supported via B, and the lower ends of the rods 16A, 16B are swingably supported by the links 7A, 7B via pins 11A, 11B.

空気圧シリンダ8A,8Bは図示しないエアコンプレッサに
よって加圧され、送材ローラ3A,3Bは電動機12及びスプ
ロケット13,14、チェーン15によって回転駆動し、被測
定材4が送入されると送材ローラ3A,3Bはピン6を支点
とする円弧動の垂直成分だけ昇降され、ピン11A,11Bは
ピン6を支持点として円弧動し、空気圧シリンダ8A,8B
のロッド16A,16Bの下端はピン10A,10Bを中心としてピン
11A,11Bの軌跡に従い揺動する。
The pneumatic cylinders 8A and 8B are pressurized by an air compressor (not shown), and the feeding rollers 3A and 3B are rotationally driven by the electric motor 12, the sprockets 13 and 14, and the chain 15, and when the material 4 to be measured is fed, the feeding rollers are fed. 3A and 3B are moved up and down by the vertical component of the circular arc movement with pin 6 as the fulcrum, and pins 11A and 11B circularly move with pin 6 as the support point, and pneumatic cylinders 8A and 8B
The lower ends of the rods 16A and 16B are pinned around pins 10A and 10B.
It swings according to the loci of 11A and 11B.

ところで、本発明の下面形状検出器においては送材テー
ブル2の送材ローラ3A,3Bの中間点に通し窓を設け下面
変位計17の検出端18が出入する。検出端18はロッド19の
上端にピン20を支点として回転自在に支持され、ロッド
19は支持部材1に取着された支持部材21の貫通孔に昇降
自在に取着され、ばね22により上方へ押し付けられる。
被測定材4が送入されると検出端18が被測定材の形状に
従いピン20を支点として回転するとともに昇降し、同時
に支持部材1に取着された下面変位計17が昇降する。
By the way, in the lower surface shape detector of the present invention, a through window is provided at the midpoint between the material feeding rollers 3A and 3B of the material feeding table 2 so that the detection end 18 of the lower surface displacement gauge 17 goes in and out. The detection end 18 is rotatably supported on the upper end of a rod 19 with a pin 20 as a fulcrum.
19 is attached to the through hole of the support member 21 attached to the support member 1 so as to be movable up and down, and is pressed upward by the spring 22.
When the material 4 to be measured is fed, the detection end 18 rotates according to the shape of the material to be measured with the pin 20 as a fulcrum and moves up and down. At the same time, the lower surface displacement gauge 17 attached to the support member 1 moves up and down.

一方、上面形状検出器の検出端23はリンク24の先端に取
り付けられ、ピン25を支点として回転自在に支持され
る。リンク24の垂直面にはばね26が水平方向に取着して
おり被測定材4が送入されると検出端23が被測定材の形
状に従い支持部材1に取着された支持部材27のピン28を
支点とする円弧動し、この垂直成分がリンク24を介して
水平成分に変換され、支持部材1に取着された上面変位
計29を水平運動させる。
On the other hand, the detection end 23 of the top surface shape detector is attached to the tip of the link 24 and is rotatably supported with the pin 25 as a fulcrum. A spring 26 is horizontally attached to the vertical surface of the link 24, and when the material 4 to be measured is fed, the detection end 23 of the support member 27 attached to the support member 1 according to the shape of the material to be measured. The pin 28 serves as a fulcrum to move in an arc, and this vertical component is converted into a horizontal component via the link 24, and the upper surface displacement meter 29 attached to the support member 1 is horizontally moved.

実施例では、被測定材の幅方向の左右両端及びその中間
に上下3対の形状検知器を用い、3対とも同様の動作を
する。
In the embodiment, three pairs of upper and lower shape detectors are used at the left and right ends in the width direction of the material to be measured and in the middle thereof, and the same operation is performed for all three pairs.

エンコーダ30はスプロケット14の回転軸に取着され、送
材ローラ3A,3Bの回転距離をカウンタ31へ送り、被測定
材の移動距離を検出する。
The encoder 30 is attached to the rotating shaft of the sprocket 14, sends the rotation distance of the material feeding rollers 3A, 3B to the counter 31, and detects the moving distance of the material to be measured.

次に、被測定材の形状測定から判断に至るまでの工程に
ついて説明する。
Next, the steps from the shape measurement of the material to be measured to the determination will be described.

被測定材4が送入されるとリミットスイッチ32がOFFか
らONに切り換わり、表示機能を初期設定し、測定可能状
態となる。次に被測定材4の先端がリミットスイッチ33
を通過するとリミットスイッチ33がOFFからONに切り換
わり、コンピュータ34へ信号が送られ、カウンタ31をリ
セットする。コンピュータ34ではこの信号を受け取ると
カウンタ31から移動距離、下面変位計17,上面変位計29
(上下3対)から変位量を入力し一旦メモリに記憶す
る。被測定材の後端の通過によってリミットスイッチ33
がONからOFFに切り換わり、コンピュータ34へ信号を出
力し、その時点のカウンタの表示を材長表示ユニット35
に送り、材長を表示させるとともに移動距離と変位量の
情報から最適削りしろ・最適仕上がり厚さ・最適切断位
置を演算し、切断するか否か、表示等の出力をどのよう
にするかの判断を行い、実施例では表示装置36へ出力す
る。
When the material 4 to be measured is fed, the limit switch 32 is switched from OFF to ON, the display function is initialized, and the measurement is ready. Next, the tip of the measured material 4 is the limit switch 33.
After passing, the limit switch 33 switches from OFF to ON, a signal is sent to the computer 34, and the counter 31 is reset. When the computer 34 receives this signal, it moves from the counter 31, the lower surface displacement gauge 17, the upper surface displacement gauge 29.
The displacement amount is input from (upper and lower three pairs) and temporarily stored in the memory. Limit switch 33 by passing the rear edge of the measured material
Switches from ON to OFF, outputs a signal to the computer 34, and displays the counter at that time on the material length display unit 35
To display the material length and calculate the optimum cutting margin, the optimum finished thickness, and the optimum cutting position from the information of the moving distance and the displacement amount, and whether to cut, whether to output the display etc. A determination is made and output to the display device 36 in the embodiment.

発明の効果 以上説明したように、本発明によれば、被測定材を加圧
しながら形状測定ができるため、モルダー工程での被切
削材の通過状態に疑似した形状で測定が可能となり、実
際のモルダー切削工程を想定して、むり取り厚さ、仕上
がり厚さ、最適切断位置を判断できることから高精度の
判定ができるとともに、個々の被切削材の最良加工方法
を指示する事により材積歩留まり向上、省力化において
飛躍的な効果を発揮するものである。
Effect of the Invention As described above, according to the present invention, since the shape can be measured while pressurizing the material to be measured, it is possible to perform measurement with a shape simulating the passing state of the material to be cut in the moulder process, Assuming the moulder cutting process, it is possible to judge the peeling thickness, the finished thickness, and the optimum cutting position, so that it is possible to make highly accurate judgments and improve the material yield by instructing the best processing method for each material to be cut. This is a dramatic effect in labor saving.

【図面の簡単な説明】[Brief description of drawings]

図は本発明の実施の一例であって第1図は正面図、第2
図は第1図A−A線における横断側面図、第3図は測定
部分の配列を示す正面図である。 1,5,9A,9B,21,27……支持部材、2……送材テーブル、3
A,3B……送材ローラ、4……被測定材、6,10A,10B,11A,
11B,20,25,28……ピン、7A,7B,24……リンク、8A,8B…
…空気圧シリンダ、12……電動機、13,14……スプロケ
ット、15……チェーン、16A,16B……空気圧シリンダロ
ッド、17……下面変位計、18,23……検出端、19……ロ
ッド、22,26……ばね、29……上面センサ、30……エン
コーダ、31……カウンタ、32,33……リミットスイッ
チ、34……コンピュータ、35……表示装置
FIG. 1 is an example of an embodiment of the present invention. FIG. 1 is a front view and a second view.
FIG. 1 is a cross-sectional side view taken along the line AA in FIG. 1, and FIG. 3 is a front view showing the arrangement of measurement parts. 1,5,9A, 9B, 21,27 …… Supporting member, 2 …… Sending table, 3
A, 3B …… Feeding roller, 4 …… Measured material, 6,10A, 10B, 11A,
11B, 20,25,28 …… pin, 7A, 7B, 24 …… link, 8A, 8B…
… Pneumatic cylinder, 12 …… motor, 13,14 …… sprocket, 15 …… chain, 16A, 16B …… pneumatic cylinder rod, 17 …… bottom displacement gauge, 18,23 …… detecting end, 19 …… rod, 22,26 …… Spring, 29 …… Top sensor, 30 …… Encoder, 31 …… Counter, 32,33 …… Limit switch, 34 …… Computer, 35 …… Display device

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】製材品のむら取り切削仕上げ工程におい
て、長さ方向に送材される乱尺製材品である被測定材4
を、送材テーブル2と上方より加圧されつつ回転駆動さ
れる2個の送材ローラ3A,3B間に送材し、その上方より
加圧された2個の送材ローラ3A,3B間における送材テー
ブル2上面から製材品下面までの変位量と送材テーブル
上面から製材品上面までの変位量を検出する1対もしく
は複数対の下面変位計17,上面変位計29、及び製材品前
端から変位量検出位置までの距離を検出するエンコーダ
30とカウンタ31を設置し、前記下面変位計17,上面変位
計29及びカウンタ31からの信号により製材品のモルダー
切削加工時の形状を予測するコンピュータ34を設け、該
コンピュータの形状予測結果から該コンピュータにより
製材品下面を最小限の切削量で平滑に切削するための最
適むら取り厚さ、平滑に切削した製材品下面を基準に上
面を最小限に切削量で平滑に切削した際の仕上がり厚
さ、最も厚い仕上がり厚さを得る事ができる切断位置の
計算及び判断を行い、判断結果の表示または、外部機器
へ出力することを特徴とするよう構成した製材品仕上が
り厚さ計算装置。
1. A to-be-measured material 4 which is an irregularly-sized lumber product that is fed in the length direction in an uneven cutting finishing process of a lumber product.
Between the two material feeding rollers 3A and 3B which are rotationally driven while being pressurized from above and the two material feeding rollers 3A and 3B which are pressed from above. One or more pairs of bottom surface displacement gauges 17, upper surface displacement gauges 29, and a front end of the lumber product that detect the displacement amount from the upper surface of the lumber table 2 to the lower surface of the lumber product and the displacement amount from the upper surface of the lumber table to the upper surface of the lumber product. Encoder that detects the distance to the displacement amount detection position
30 and a counter 31 are installed, and a computer 34 for predicting the shape of the lumber product during the moulder cutting process by the signals from the lower surface displacement meter 17, the upper surface displacement meter 29 and the counter 31 is provided, and the computer from the shape prediction result of the computer. Optimum uneven thickness for smoothing the bottom surface of lumber products with a minimum amount of cutting by a computer, finish thickness when the top surface is cut smoothly with the minimum cutting amount based on the bottom surface of lumber products that have been cut smoothly A sawmill product finished thickness calculating device configured to calculate and determine a cutting position that can obtain the thickest finished thickness and display the determination result or output to an external device.
JP2004349A 1990-01-12 1990-01-12 Lumber product finish thickness calculator Expired - Fee Related JPH0769124B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004349A JPH0769124B2 (en) 1990-01-12 1990-01-12 Lumber product finish thickness calculator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004349A JPH0769124B2 (en) 1990-01-12 1990-01-12 Lumber product finish thickness calculator

Publications (2)

Publication Number Publication Date
JPH03210401A JPH03210401A (en) 1991-09-13
JPH0769124B2 true JPH0769124B2 (en) 1995-07-26

Family

ID=11581946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004349A Expired - Fee Related JPH0769124B2 (en) 1990-01-12 1990-01-12 Lumber product finish thickness calculator

Country Status (1)

Country Link
JP (1) JPH0769124B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100901310B1 (en) * 2009-01-08 2009-06-09 전양일 Thickness measuring apparatus for a moving plate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59100807A (en) * 1982-12-02 1984-06-11 Chugoku Kikai Seisakusho:Kk Detecting device of size
JPS60242355A (en) * 1984-05-16 1985-12-02 Minami Kikai Kk Size cutting device for veneer by moisture content measurement and thickness detection

Also Published As

Publication number Publication date
JPH03210401A (en) 1991-09-13

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