JPH10291204A - Clogging preventing apparatus for veneer joining machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To previously wipe off veneer clogging at an inlet and outlet of a connecting unit by stopping restart of a supply conveyor at the time of continuation of a sensing state of a sense signal of a sensor for sensing passage of cutting chips from a guide plate for a preset set time or more, and operating a warning unit. SOLUTION: A guide plate G guides dropping of cutting chips, and has a sensor P disposed at an intermediate part of the plate and having a projecting or reflecting type photoelectric switch for sensing the chips. Normally, a required time from cutting to completion of connecting is, for example, 0.6 sec or more, and a time for passing the chips through te sensor P is, for example, 0.01 sec. Thus, a set time in a control circuit C for deciding a clogging state is set with the 0.001 sec as a standard. Accordingly, when the sensor P becomes the sensing state for the 0.01 or more, a signal for inhibiting the restart is transmitted from the circuit C to the motor M of the conveyor 2 to temporarily stop it, and an alarm sound is generated by an alarm unit Z to prevent occurrence of clogging.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は合板製造の分野にお
いて利用されるものであって、特にベニヤレース、ベニ
ヤスライサー等の単板切削装置によって切削された帯状
に連ならない端尺単板等を主たる対象にして、有寸巾に
切断し前後の切屑を落下分離して単板相互の端面の接合
部にビーズ状の溶融ホットメルト樹脂を糊付し、これを
更に冷圧してすだれ状に連った横はぎ製品に接合するよ
うにした単板接合機における詰まり防止装置の改良に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in the field of plywood production, and particularly, it is mainly used for cutting an endless veneer which is not connected to a belt shape and is cut by a veneer lace, a veneer slicer or the like. The target is cut to a large width, the chips before and after dropping are dropped and separated, glued bead-shaped molten hot melt resin to the joints at the end faces of the veneers, and further cooled and pressed to form an interdigitated shape. The present invention relates to an improvement in a clogging prevention device for a single-plate joining machine adapted to be joined to a horizontal product.

【０００２】[0002]

【従来の技術】従来のこの種単板接合機として、例えば
先願発明になる特願平８−２１７８０７号の如き単板接
合機における接合補助装置が開発されている。2. Description of the Related Art As a conventional single-plate bonding machine of this type, for example, a bonding auxiliary device in a single-plate bonding machine as disclosed in Japanese Patent Application No. 8-217807 of the prior application has been developed.

【０００３】[0003]

【発明が解決しようとする課題】本発明は、上記従来の
単板接合機の改良に関するものであって、特に原板と呼
ばれる合板の表面または裏面に利用される０．６ミリ程
度の薄い単板の接合、即ち、一般にベニヤレースにより
切削され巻取時に両サイドに貼着されたドライヤ乾燥時
の割れ防止用の補強用紙テープ等により補強された単板
を切断接合する際に、一部固定刃に紙テープ等が貼着残
存するか、または繊維が複雑に交差していて髭状の繊維
の切り残りにより一方が垂れ下がって他の一方が移送線
上に飛び出て立った姿態となって接合部付近に残りこれ
が接合後の後続単板の搬送を阻止して後続単板を詰まら
せる不具合が多々発生し生産性および歩留りを大幅に低
下させていたものである。SUMMARY OF THE INVENTION The present invention relates to an improvement of the above-mentioned conventional single-plate joining machine, and more particularly to a thin single-plate having a thickness of about 0.6 mm which is used on the front surface or the back surface of a plywood called an original plate. , That is, when cutting and bonding a veneer reinforced veneer, which is generally cut with a veneer lace and affixed to both sides at the time of winding and reinforced with a reinforcing paper tape or the like to prevent cracking during drying of the dryer Paper tape, etc., remains or the fibers intersect in a complicated manner, and one of them hangs down due to the uncut fibers of the whisker-like fiber, and the other jumps out on the transfer line and stands near the joint. The remaining ones hinder the conveyance of the succeeding veneer after the joining and clog the succeeding veneer in many cases, thereby greatly reducing the productivity and the yield.

【０００４】[0004]

【課題を解決するための手段】本発明は上記課題を解決
することを目的とし、単板移送路の所定位置に設定した
単板接合部にて、先行単板の後縁切断と後続単板の前縁
切断と各切屑の落下分離と前記両単板の端面を接合した
接合部の接合線上への熔融ホットメルト樹脂の糊付けと
その冷圧とを交々行って有寸巾の単板をすだれ状に連っ
た横はぎ製品に接合するようにした単板接合機におい
て、切断接合部の直下に配設された切屑の落下をガイド
するガイド板と、該ガイド板の両側部または何れか一方
の側部から切屑の通過を検知する検知器と、該検知器の
検知信号の検知状態が予め設定された設定時間以上継続
した時搬入コンベヤの再起動を停止すると共に警報装置
を作動させる制御回路とからなることを特徴とするもの
である。SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and to cut a trailing edge of a preceding veneer and a succeeding veneer at a veneer joint set at a predetermined position of a veneer transfer path. Cutting the leading edge of each chip, drop separation of each chip, gluing of the molten hot melt resin onto the joining line of the joint where the end faces of the two veneers are joined, and their cold pressure are performed alternately to produce a sized width veneer. In a single-plate joining machine that is joined to a barbed product, a guide plate that is disposed immediately below a cutting joint and guides the falling of chips, and either or both sides of the guide plate A detector for detecting the passage of chips from one side, and a control for stopping the restart of the carry-in conveyor and activating an alarm device when the detection state of the detection signal of the detector has continued for a preset time or more. And a circuit.

【０００５】[0005]

【発明の実施の形態】以下本発明の実施の形態につい
て、図面を参照して説明する。Embodiments of the present invention will be described below with reference to the drawings.

【０００６】図１および図２は本発明の詰まり防止装置
を単板接合機に適用した時の一連工程を例示した側面図
と平面図であって、図中１は単板切断接合機、２は搬入
コンベヤ、３は搬出コンベヤ、４は定規コンベヤ、５は
定尺クリッパー、６は積込コンベヤである。Ｇは切屑Ｗ
の落下をガイドするためのガイド板、Ｐはガイド板の中
間部に配設され前記切屑Ｗを検知する投下型または反射
型の光電スイッチ等からなる検知器、Ｃは前記検知器の
検知信号により詰まり状態か否かを判別して搬入コンベ
ヤ２のモ−タ−Ｍの再起動を一旦停止すると共に警報装
置Ｚを作動させる制御回路、Ｋは単板の両サイド貼着さ
れた補強用紙テープである。FIGS. 1 and 2 are a side view and a plan view, respectively, illustrating a series of steps when a clogging prevention device according to the present invention is applied to a single-plate joining machine. Is a carry-in conveyor, 3 is a carry-out conveyor, 4 is a ruler conveyor, 5 is a fixed-size clipper, and 6 is a loading conveyor. G is chip W
A guide plate for guiding the falling of the sheet, P is a detector disposed at an intermediate portion of the guide plate and configured by a drop-type or reflection-type photoelectric switch or the like for detecting the chips W, and C is a detection signal of the detector. A control circuit for determining whether or not the jammed state is present and for temporarily stopping the restart of the motor M of the carry-in conveyor 2 and activating the alarm device Z. K is a reinforcing paper tape adhered to both sides of a single plate. is there.

【０００７】上記単板切断接合機１は搬入コンベヤ２お
よび定規コンベヤ４により一側の木口面を整列して搬入
されて来る前後の両端面に厚薄や不規則端縁等の不良部
を有する端尺単板乃至は板面中に干割れや節穴等の不良
部を有する連続単板等を、次段に配設された前記単板切
断接合機１中の可動刃７ａと固定刃７ｂからなる切断ナ
イフ７によって有寸巾に切断し、この有寸巾に切断され
た前記単板を、前記切断ナイフ７の固定刃７ｂ上に設定
された単板接合部にて先行単板８ａの後縁切断個所と後
続単板８ｂの前縁切断個所の端面を接合した前記両単板
の接合部の補強用紙テープＫの貼着部を除く接合線上に
向けて空間からビーズ状の溶融ホットメルト樹脂Ａを射
出する糊付ノズル９により前記単板接合部の接合線上に
沿って点付け状に溶融ホットメルト樹脂Ａを塗着すると
共に、前記接合線上に塗着した点付け状の溶融ホットメ
ルト樹脂Ａを押圧冷却バー１０ａ，１０ｂにより冷圧し
てすだれ状に連った横はぎ製品に接合し、次で搬出コン
ベヤ３および積込コンベヤ６によりこれを間欠的に搬出
し乍ら前記すだれ状に連った横はぎ製品を定尺クリッパ
ー５により所定の定尺寸法に切断して後段の積込工程等
に移送するように前記単板接合機１に関連した一連の横
はぎ工程が形成されているものである。The single-plate cutting and joining machine 1 has a defective portion such as a thin or irregular edge on both end surfaces before and after the edge of the one side is aligned by the carry-in conveyor 2 and the ruler conveyor 4. A single veneer or a continuous veneer or the like having a defective portion such as a crack or a knot hole in the plate surface is constituted by a movable blade 7a and a fixed blade 7b in the veneer cutting and joining machine 1 arranged at the next stage. The veneer is cut into a sized width by a cutting knife 7 and the veneer cut into the sized width is joined to a rear edge of a preceding veneer 8a at a veneer joint set on a fixed blade 7b of the cutting knife 7. A bead-shaped molten hot melt resin A is drawn from a space toward a joining line excluding a portion where the reinforcing paper tape K is stuck at a joining portion of the two veneers where the cutting portion and an end face of a leading edge cutting portion of the subsequent veneer 8b are joined. By a gluing nozzle 9 for injecting a dot along the joining line of the single plate joining portion. The molten hot-melt resin A was applied on the joining line, and the dotted hot-melt resin A applied on the joining line was cooled by the pressure cooling bars 10a and 10b to be joined to the interdigitated products. Then, the interleaved products connected in an interdigital manner are cut into predetermined fixed size by the fixed size clipper 5 while the products are intermittently carried out by the carry-out conveyor 3 and the loading conveyor 6 to be loaded at the subsequent stage. A series of crossover steps related to the single-plate joining machine 1 are formed so as to be transferred to a step or the like.

【０００８】而して前記一連の横はぎ工程の前記単板接
合機１に適用される本発明の詰まり防止装置は、可動刃
７ａと固定刃７ｂからなる切断ナイフ７による端尺単板
乃至は連続単板等の有寸切断衝合機構と、糊付ノズル９
による溶融ホットメルト樹脂Ａの点付け塗着機構と、押
圧冷却バー１０ａ，１０ｂによる点付け溶融ホットメル
ト樹脂Ａの冷圧機構および単板接合部において単板屑が
残留しているか否かを検知して搬入コンベヤ２の再起動
を一時停止させると共にブザー等の警報装置Ｚにより警
報する制御回路Ｃとから本発明の特定機構が構成されて
いるものであって、これら本発明の特定機構は図３およ
び図４（イ）〜（リ）にその一実施例を開示したよう
に、先ずその有寸切断機構は、搬入コンベヤ２と搬出コ
ンベヤ３からなる単板移送路の接続部に上下動自在に架
設した可動刃７ａと固定刃７ｂからなる切断ナイフ７に
よって移送過程の端尺単板８等の厚薄、不規則端縁、干
割れ、節穴等の不良部が切断されて有寸巾の中間製品に
成形されると共に、前記有寸巾からなる中間製品の先行
単板８ａの後縁切断個所と、後続単板８ｂの前縁切断個
所とが固定刃７ｂ上に設定された単板接合部上で切屑Ｗ
を排除し乍ら相互の端面を接合するようにした有寸切断
接合機構に構成されている。またその点付け塗着機構
は、前記固定刃７ｂ上に設定された単板接合部の斜め上
方の空間に溶融ホットメルト樹脂をビーズ状に空間から
単板接合部の単板接合線上に向けて射出自在に、樹脂加
熱溶融ヒーター、樹脂加圧ポンプ、樹脂開閉バルブ等の
一連機器に接続した制御可能な糊付ノズル９が前記単板
接合部の単板接合線上に沿って複数個直列に架設されて
いて、ビーズ状の溶融ホットメルト樹脂の点付け塗着機
構に構成されている。次にまたその冷圧機構は、単板接
合部の直上に上下動自在に架設されている切断ナイフ７
の可動刃７ａ側の両面に昇降および開閉自在に水冷式の
押圧冷却バー１０ａ，１０ｂが前記糊付ノズル９の配列
に対応して併設され、該押圧冷却バー１０ａ，１０ｂを
チリングユニット等の水冷器１１に可撓ホース等で循環
可能に接続すると共に、流体シリンダー等の作動機構１
２ａに板ばね、弦巻ばね等からなるリンク機構１２ｂと
押圧開閉機構１２ｃを装着して、前記可動刃７ａの上下
動作とは別個に、該押圧冷却バー１０ａ，１０ｂの両側
を昇降および開閉自在に前記可動刃７ａの両面に併設す
ることによって、前記単板接合部の単板接合線上に塗着
された点付け溶融ホットメルト樹脂を冷圧固化させる冷
圧機構に構成されているものである。[0008] The clogging prevention device of the present invention applied to the single-plate joining machine 1 in the series of side-by-side cutting processes is an end-to-end veneer or a cutting blade 7 using a cutting knife 7 including a movable blade 7a and a fixed blade 7b. Dimensional cutting and abutment mechanism for continuous veneer etc. and glue nozzle 9
Of the hot-melt resin A by the hot-melt resin A and the cold-pressing mechanism of the hot-melt resin A by the pressing and cooling bars 10a and 10b and the detection of whether veneer chips remain in the veneer joint. And a control circuit C for temporarily stopping the restart of the carry-in conveyor 2 and for giving an alarm by an alarm device Z such as a buzzer. The specific mechanism of the present invention is shown in FIG. As shown in FIG. 3 and FIGS. 4 (a) to 4 (d), one embodiment of the dimensional cutting mechanism is movable up and down to a connecting portion of a single-plate transfer path composed of a carry-in conveyor 2 and a carry-out conveyor 3. The thin knife, irregular edges, dry cracks, knot holes and other defective parts of the veneer veneer 8 during the transfer process are cut by a cutting knife 7 composed of a movable blade 7a and a fixed blade 7b installed in the middle of a sized width. Along with being molded into a product, Serial and edge cutting points after the preceding veneer 8a of the intermediate product consisting of chromatic dimension width, the subsequent veneer 8b of the front edge cutting point and the chip W on veneer joints that are set on the fixed blade 7b
, And a sized cutting and joining mechanism for joining the end faces to each other. Further, the spot application mechanism is configured to direct the molten hot melt resin into a space obliquely above the veneer joint set on the fixed blade 7b from the space in a bead shape to the veneer joint line of the veneer joint. A plurality of controllable glue nozzles 9 connected to a series of equipment such as a resin heating / melting heater, a resin pressurizing pump, a resin opening / closing valve, and the like are erected in series along the single-plate joining line of the single-plate joining part. It is configured as a spot application mechanism for bead-shaped molten hot melt resin. Next, the cooling pressure mechanism is provided with a cutting knife 7 which is erected up and down directly above the single-plate joint.
Water-cooling press cooling bars 10a, 10b are provided on both sides of the movable blade 7a side so as to be able to move up and down and open and close in correspondence with the arrangement of the glued nozzles 9, and the press cooling bars 10a, 10b are water-cooled such as chilling units. Circulating means, such as a fluid hose, and a fluid cylinder.
A link mechanism 12b composed of a leaf spring, a helical spring, or the like, and a pressure opening / closing mechanism 12c are attached to 2a so that both sides of the pressure cooling bars 10a, 10b can be moved up and down and opened and closed independently of the vertical movement of the movable blade 7a. By being provided on both sides of the movable blade 7a, a cooling mechanism for cooling and solidifying the spotted molten hot melt resin applied on the veneer bonding line of the veneer bonding part is configured.

【０００９】また、図４の（イ）はベニヤ単板８ｂが供
給されこれから前縁切断に入るところである。（ロ）は
可動刃７ａにより前縁切断が行われ切屑Ｗがガイド板Ｇ
上に落下しょうとしているところである。（ハ）は可動
刃７ａが上昇し搬出コンベヤ３が下降して先行単板８ａ
の後端と後続単板８ｂの先端を接合したところで、この
時一方の補強用紙テープＫが完全に切断できずガイド板
Ｇ上に切屑Ｗが残っている。（ニ）は先行単板８ａと後
続単板８ｂの接合部にビーズ状の溶融ホットメルト樹脂
の点付けしているところである。（ホ）はビーズ状の溶
融ホットメルト樹脂を冷却バー１０ａ，１０ｂで冷却固
化しているところである。（ヘ）は冷却バー１０ａ，１
０ｂが上昇して搬入コンベヤ２が再起動しようとしてい
るところである。この（ロ）から（ヘ）までは連続動作
で行われる。従ってこの（ヘ）の状態で切屑Ｗの除去を
行う。（ト）は切屑Ｗが除去されたので検知器Ｐから制
御回路Ｃに信号が伝えられ該制御回路Ｃが通常状態に復
帰して搬送を再開し後縁切断のために停止したところで
ある。（チ）は可動刃７ａにより後縁切断をしていると
ころである。（リ）は可動刃７ａが上昇し搬出コンベヤ
３が次の前縁切断のために上昇しようとしているところ
であり、以下（イ）の状態に戻り、（イ）から（リ）の
動作が繰り返し行われる。FIG. 4 (a) shows a state where the veneer veneer 8b is supplied and the leading edge cutting is started. In (b), the leading edge is cut by the movable blade 7a and the chips W are
I am about to fall up. (C), the movable blade 7a rises, the carry-out conveyor 3 descends, and the leading veneer 8a
When the rear end and the front end of the succeeding veneer 8b are joined, at this time, one of the reinforcing paper tapes K cannot be completely cut, and chips W remain on the guide plate G. (D) is where a bead-shaped molten hot-melt resin is spotted at the joint between the preceding veneer 8a and the succeeding veneer 8b. (E) is where the bead-shaped molten hot melt resin is cooled and solidified by the cooling bars 10a and 10b. (F) is the cooling bar 10a, 1
0b rises and the carry-in conveyor 2 is about to restart. (B) to (f) are performed in a continuous operation. Therefore, the chips W are removed in this state (f). (G) is a state where a signal is transmitted from the detector P to the control circuit C because the chips W have been removed, the control circuit C returns to the normal state, restarts the conveyance, and stops for cutting the trailing edge. (H) is where the trailing edge is cut by the movable blade 7a. (I) is where the movable blade 7a is raised and the carry-out conveyor 3 is about to be raised for the next cutting of the leading edge. Thereafter, the state returns to (I), and the operations from (I) to (I) are repeated. Will be

【００１０】更にまた、通常（ロ）に示す切断から
（ヘ）に示す接合完了までの所要時間は約０．６秒以上
必要とされ、また更に切屑Ｗが検知器Ｐを通過する時間
は略０．０１秒以下でであるので制御回路Ｃにおける詰
まり状態の判定のための設定時間は０．０１秒を目安に
設定される。従って０．０１秒以上検知器Ｐが検知状態
となった時に制御回路Ｃから搬入コンベヤ２のモーター
Ｍに再起動をさせない信号を伝えて一時停止させると共
にブザ−等の警報装置Ｚにより警告音を発生させて詰ま
りの発生を防止する。この結果オペレーターが単板を供
給しても搬入コンベヤ２が作動しないので刃口で後続単
板が搬送されることなく詰まりが防止されオペレーター
は直ちに検知部にある切屑Ｗを除去することにより制御
回路Ｃが通常状態に復帰して再起動されて継続して接合
作業が行われる。Furthermore, the time required from the cutting shown in (b) to the completion of the joining shown in (f) is generally required to be about 0.6 seconds or more, and the time required for the chips W to pass through the detector P is substantially the same. Since the time is less than 0.01 second, the set time for the determination of the clogging state in the control circuit C is set to about 0.01 second. Therefore, when the detector P is in the detection state for 0.01 second or more, the control circuit C transmits a signal not to restart the motor M of the carry-in conveyor 2 to temporarily stop the motor, and a warning sound is issued by an alarm device Z such as a buzzer. To prevent clogging. As a result, even if the operator supplies the veneer, the carry-in conveyor 2 does not operate, so that the subsequent veneer is not conveyed at the cutting edge and the clogging is prevented, and the operator immediately removes the chip W in the detecting portion, thereby controlling the control circuit. C is returned to the normal state, restarted, and the joining operation is continuously performed.

【００１１】[0011]

【発明の効果】本発明は以上に詳述したように、単板移
送路の所定位置に設定した単板接合部にて、先行単板の
後縁切断と後続単板の前縁切断と各切屑の落下分離と前
記両単板の端面を接合した接合部の接合線上への熔融ホ
ットメルト樹脂の糊付けとその冷圧とを交々行って有寸
巾の単板をすだれ状に連った横はぎ製品に接合するよう
にした単板接合機において、切断接合部の直下に配設さ
れた切屑の落下をガイドするガイド板と、該ガイド板の
両側部または何れか一方の側部から切屑の通過を検知す
る検知器と、該検知器の検知信号の検知状態が予め設定
された設定時間以上継続した時搬入コンベヤの再起動を
停止すると共に警報装置を作動させる制御回路とからな
ることを特徴とする詰まり防止装置を単板接合機に適用
することによって、従来装置に惹起していた搬入コンベ
ヤの再起動時に発生していた接合部の搬入口および搬出
口での単板詰まりを事前に払拭して、単板接合機におけ
る接合動作の安定化および詰まりによる単板の破損およ
び刃物の破損ならびに詰まり単板の除去作業によるロス
時間等を防止したことにより生産性の向上と歩留りの向
上が併せ得られたものであり実施効果の極めて顕著なも
のである。As described in detail above, the present invention can be applied to the cutting of the leading edge of the preceding veneer and the cutting of the leading edge of the succeeding veneer at the veneer joint set at a predetermined position of the veneer transfer path. Drop separation of the chips, gluing of the molten hot-melt resin onto the joining line of the joining portion where the end surfaces of the two veneers were joined, and their cold pressure were performed alternately, and the veneer of a sized width was connected in an interdigitated manner. In a single-plate joining machine adapted to be joined to a horizontal patch product, a guide plate disposed just below the cutting joint to guide the falling of chips, and chips from both sides or either side of the guide plate And a control circuit that stops the restart of the carry-in conveyor and activates the alarm device when the detection state of the detection signal of the detector continues for a preset time or more. By applying the characteristic anti-clogging device to the single-plate joining machine The veneer clogging at the entrance and the exit of the joining portion, which has occurred at the time of restarting the carry-in conveyor caused by the conventional apparatus, is wiped in advance, and the joining operation in the single-plate joining machine is stabilized and jammed. By preventing breakage of veneers and blades, and loss time due to work for removing clogged veneers, productivity and yield are both improved, and the implementation effect is extremely remarkable.

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

【図１】本発明装置を単板接合機に適用した一連工程の
側面図。FIG. 1 is a side view of a series of steps in which the apparatus of the present invention is applied to a single-plate joining machine.

【図２】本発明装置を単板接合機に適用した一連工程の
平面図。FIG. 2 is a plan view of a series of steps in which the apparatus of the present invention is applied to a single-plate joining machine.

【図３】本発明装置の要部を示す一部拡大側面図。FIG. 3 is a partially enlarged side view showing a main part of the device of the present invention.

【図４】本発明装置の動作説明図。FIG. 4 is an explanatory diagram of the operation of the device of the present invention.

【符号の説明】[Explanation of symbols]

１ 単板切断接合機 ２ 搬入コンベヤ ３ 搬出コンベヤ ４ 定規コンベヤ、 ５ 定尺クリッパー ６ 積込コンベヤ ７ 切断ナイフ ７ａ 可動刃 ７ｂ 固定刃 ８ 端尺単板８ ８ａ 先行単板 ８ｂ 後続単板 ９ 糊付ノズル １０ａ 押圧冷却バー １０ｂ 押圧冷却バー １１ 水冷器 １２ａ 作動機構 １２ｂ リンク機構 １２ｃ 押圧開閉機構 １３ 単板検知器、 １４ 間欠作動機構、 １５ 間欠作動機構、 １６ 押圧貼着機構 Ａ ホットメルト樹脂 Ｃ 制御回路 Ｇ ガイド板 Ｋ 紙テープ Ｐ 検知器 Ｍ モ−タ− Ｗ 切屑 Ｚ 警報装置 DESCRIPTION OF REFERENCE NUMERALS 1 single-plate cutting and joining machine 2 carry-in conveyor 3 carry-out conveyor 4 ruler conveyor, 5 fixed-size clipper 6 loading conveyor 7 cutting knife 7a movable blade 7b fixed blade 8 trimmed veneer 8 8a preceding veneer 8b subsequent veneer 9 with glue Nozzle 10a Pressing and cooling bar 10b Pressing and cooling bar 11 Water cooler 12a Operating mechanism 12b Link mechanism 12c Pressing opening and closing mechanism 13 Single plate detector, 14 Intermittent operating mechanism, 15 Intermittent operating mechanism, 16 Press and stick mechanism A Hot melt resin C Control circuit G Guide plate K Paper tape P Detector M Motor W Chips Z Alarm device

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 単板移送路の所定位置に設定した単板接
合部にて、先行単板の後縁切断と後続単板の前縁切断と
各切屑の落下分離と前記両単板の端面を接合した接合部
の接合線上への熔融ホットメルト樹脂の糊付けとその冷
圧とを交々行って有寸巾の単板をすだれ状に連った横は
ぎ製品に接合するようにした単板接合機において、切断
接合部の直下に配設された切屑の落下をガイドするガイ
ド板と、該ガイド板の両側部または何れか一方の側部か
ら切屑の通過を検知する検知器と、該検知器の検知信号
の検知状態が予め設定された設定時間以上継続した時搬
入コンベヤの再起動を停止すると共に警報装置を作動さ
せる制御回路とからなることを特徴とする単板接合機に
おける詰まり防止装置。At a veneer joint set at a predetermined position of a veneer transfer path, a trailing edge of a preceding veneer, a leading edge of a subsequent veneer, a drop separation of each chip, and an end face of both veneers. Veneer of glued hot-melt resin onto the joint line at the joint where the veneer was joined and its cold pressure alternately to join the veneer of sized width to a barbed product In a joining machine, a guide plate disposed just below a cutting joint for guiding the fall of chips, a detector for detecting passage of chips from both sides or any one side of the guide plate, A control circuit for stopping restart of the carry-in conveyor and activating an alarm device when the detection state of the detection signal of the container continues for a preset time or more. .