JPH0644325Y2

JPH0644325Y2 - Scraper in seeding device for nursery box

Info

Publication number: JPH0644325Y2
Application number: JP10918691U
Authority: JP
Inventors: 浩一石川
Original assignee: 株式会社スズテック
Priority date: 1991-12-10
Filing date: 1991-12-10
Publication date: 1994-11-16
Anticipated expiration: 2000-06-20
Also published as: JPH04100303U

Description

【考案の詳細な説明】【０００１】【産業上の利用分野】本考案は、育苗箱用播種装置にお
けるスクレ−パに係るものである。【０００２】【従来技術】従来、育苗箱の移送コンベアと、該移送コ
ンベアの上方に設けた覆土供給装置と、該移送コンベア
の上方に設けた育苗箱の縁上を摺擦するスクレ−パとを
設けた育苗箱用播種装置は実開昭５７−９１４５３号公
報に記載されている。【０００３】【考案が解決しようとする課題】前記公知のものは、ス
クレ−パに土が付着したままとなり、作業を中止して除
去しなければならない問題があった。【０００４】【課題を解決するための手段】よって、本考案は、育苗
箱２の移送コンベア１と、該移送コンベア１の上方に設
けた覆土供給装置１７と、該移送コンベア１の上方に設
けた育苗箱２の縁上を摺擦するスクレ−パ２０とを設け
た播種装置において、前記スクレ−パ２０は薄金属板製
で左右に長い上板２１と下板２２とからなる側面Ｌ字型
に形成し、前記上板２１の上端に左右方向の回転軸２３
を固着し、該回転軸２３の両端を移送コンベア１に設け
た支柱２５に回動自在に軸着し、かつ育苗箱２の縁上か
ら外れて下降回動するとき支柱２５に衝撃的に衝突する
ように構成し、前記スクレ−パ２０の後面中間部分には
前記育苗箱２の前端が突当って前記スクレーパ２０を上
方回動させるガイド板２７を設けた育苗箱用播種装置に
おけるスクレ−パとしたものである。【０００５】【実施例】本考案の一実施例を図により説明すると、１
は育苗箱２を始端側３より終端側４へ向けて移送する水
平の移送コンベアで、育苗箱２の移送方向に長く形成さ
れ、所望の位置に設けた支脚５により床上に支持され
る。前記育苗箱２は合成樹脂により四角の引出し形状に
形成される。【０００６】移送コンベア１の始端側３に寄った位置に
は、床土供給装置６が設けられる。床土供給装置６は床
土供給ホッパ−７と土供給ベルトと土供給量調節装置８
等により形成され、育苗箱２内に床土を供給する。９は
床土供給装置６のモ−タ−、１０は床土受箱である。【０００７】床土供給装置６の移送下手側には、ポンプ
１１に接続されている灌水ノズルを設けた灌水部１２を
設ける。１３は水受箱である。前記灌水部１２の移送下
手側には種籾供給装置１４を設ける。種籾供給装置１４
は、ホッパ−１５と種子繰出ロ−ルと種子繰出量調節装
置１６等により形成される。種籾供給装置１４の移送下
手側には覆土供給装置１７を設ける。覆土供給装置１７
はホッパ−１８と土供給ベルトと土供給量調節装置１９
等により形成され、育苗箱２内に覆土用の篩土を供給す
る。【０００８】しかして、覆土供給装置１７の覆土供給作
業終了後の位置にはスクレ−パ２０を設ける。スクレ−
パ２０は薄金属板の左右方向に長い上板２１と下板２２
とにより一体的に形成され、側方からみるとＬ字型に形
成する。上板２１の上端に左右方向の回転軸２３を固着
し、回転軸２３の両端は移送コンベア１のフレ−ム２４
に取付けた左右一対の支板２５に回動自在に軸着する。【０００９】スクレ−パ２０は、自重またはバネ弾力に
より前記回転軸２３を中心として常時下降回動するよう
に付勢される。前記下板２２はその下縁が作用部で、前
記左右一対の支板２５の間隔よりも大なる長さに形成さ
れ、下板２２の左右両側には当接部２６を設け、下板２
２は育苗箱２の両側の縁の上面を同時に摺擦して清掃
し、下降回動したとき、当接部２６が支板２５に衝撃的
に当接し、前記スクレ−パ２０の下降回動を停止させる
とともにさらった土を落とす。【００１０】２７はガイド板であり、スクレ−パ２０の
後面の内側中央部分に設ける。ガイド板２７の後端縁２
８は、育苗箱２の前端部２９がこれに当接したとき、ス
クレ−パ２０を円滑に上方回動させるように、当接前は
垂直の状態である。【００１１】３０は育苗箱２を移送する案内ロ−ル、３
１は案内ロ−ル３０を回転させるモ−タ−、３２は育苗
箱２の後端部である。【００１２】【作用】次に作用を述べる。移送コンベア１の始端側３
の案内ロ−ル３０上に育苗箱２を載置すると、育苗箱２
は案内ロ−ル３０により終端側４へ向けて移送され、床
土供給装置６により床土の供給を受け、灌水部１２によ
り灌水され、種籾供給装置１４の下部で播種され、覆土
供給装置１７の下部で覆土用の篩土の供給を受ける。【００１３】しかして、覆土用の篩土の供給を受けた育
苗箱２は案内ロール３０により前進し、育苗箱２の前端
部２９がスクレーパ２０のガイド板２７に当接すると、
ガイド板２７は垂直状に形成されているから、スクレー
パ２０の下板２２が下端程後側に傾斜していて引っ掛る
状態でも、育苗箱２の前端部２９でガイド板２７の後端
縁２８を円滑に前方に押し、スクレーパ２０を回転軸２
３を中心に円滑に上昇回動させる。【００１４】しかして、スクレ−パ２０は自重またはバ
ネ弾力で常時前記回転軸２３を中心に下降回動するよう
に付勢されているから、育苗箱２の前端部２９が下板２
２の下端縁の下方に潜り込むと、スクレ−パ２０の上昇
回動は停止し、下板２２の下端縁は育苗箱２の縁上に密
着する。【００１５】スクレ−パ２０は育苗箱２の幅よりも大に
形成されているから、育苗箱２が前進すると育苗箱２の
両側の縁の上面を同時に摺擦して堆積土を清掃し、下板
２２上に取出す。この場合、スクレ−パ２０は上板２１
と下板２２とよりなり、側方からみるとＬ字型のため、
下板２２は第５図のように、その下端が上端部より稍前
進方向の前側に位置するようになるので、良好に清掃す
る。【００１６】しかして、スクレ−パ２０は自重またはバ
ネ弾力で常時回動するように付勢されているから、下板
２２の下端縁の下方を育苗箱２の後端部３２が通過する
と、育苗箱２の縁の上面に密着していた下板２２の下端
縁は下降回動を開始する。そして、スクレ−パ２０の下
板２２の左右両側には当接部２６が突設形成されている
から、当接部２６は下降回動するとき、支板２５の後端
縁に衝撃的に衝突し、したがって、スクレ−パ２０の内
側部分に付着した付着土は衝撃的に取除かれる。そのた
め、連続して播種作業が行なえる。【００１７】【効果】従来、育苗箱の移送コンベアと、該移送コンベ
アの上方に設けた覆土供給装置と、該移送コンベアの上
方に設けた育苗箱の縁上を摺擦するスクレーパとを設け
た育苗箱用播種装置は実開昭５７−９１４５３号公報に
記載されている。前記公知のものは、スクレーパに土が
付着したままとなり、作業を中止して除去しなければな
らない問題があった。しかるに本考案は、育苗箱２の移
送コンベア１と、該移送コンベア１の上方に設けた覆土
供給装置１７と、該移送コンベア１の上方に設けた育苗
箱２の縁上を摺擦するスクレーパ２０とを設けた播種装
置において、前記スクレーパ２０は薄金属板製で左右に
長い上板２１と下板２２とからなる側面Ｌ字型に形成
し、前記上板２１の上端に左右方向の回転軸２３を固着
し、該回転軸２３の両端を移送コンベア１に設けた支柱
２５に回動自在に軸着し、かつ育苗箱２の縁上から外れ
て下降回動するとき支柱２５に衝撃的に衝突するように
構成し、前記スクレーパ２０の後面中間部分には前記育
苗箱２の前端が突当って前記スクレーパ２０を上方回動
させるガイド板２７を設けた育苗箱用播種装置における
スクレーパとしたものであるから、スクレーパ２０は、左右に長い上板２１と下板２２
とからなる側面Ｌ字型に形成し、前記上板２１の上端に
左右方向の回転軸２３を固着し、該回転軸２３の両端を
移送コンベア１に設けた支柱２５に回動自在に軸着し、
かつ育苗箱２の縁上から外れて下降回動するとき支柱２
５に衝撃的に衝突するように構成したから、下板２２の
付着土は自動的に除去でき、連続作業を可能にする。育苗箱２の前端部２９がスクレーパ２０のガイド板
２７に当接すると、スクレーパ２０の下板２２が下端程
後側に傾斜していて引っ掛る状態でも、育苗箱２の前端
部２９でガイド板２７の後端縁２８を円滑に前方に押
し、スクレーパ２０を回転軸２３を中心に円滑に上昇回
動させる。したがって、育苗箱２の移動をスクレーパ２０が阻
碍しないので、連続作業を中断させない。という効果を奏する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scraper in a seedling device for seedling raising boxes. [0002] Conventionally, a transfer conveyor for a nursery box, a soil covering supply device provided above the transfer conveyor, and a scraper for rubbing the edges of the nursery box provided above the transfer conveyor. A seedling box seeding device provided with is described in Japanese Utility Model Publication No. 57-91453. The above-mentioned known device has a problem that soil remains attached to the scraper and the work must be stopped and removed. Therefore, the present invention provides a transfer conveyor 1 for raising seedlings 2, a soil covering supply device 17 provided above the transfer conveyor 1, and a cover soil supply device 17 provided above the transfer conveyor 1. In a seeding device provided with a scraper 20 for rubbing the edges of the seedling raising box 2, the scraper 20 is made of a thin metal plate and has an L-shaped side surface composed of an upper plate 21 and a lower plate 22 which are long in the left and right directions. The upper plate 21 is formed in a mold, and the left and right rotating shafts 23
Is fixed, both ends of the rotary shaft 23 are rotatably attached to a pillar 25 provided on the transfer conveyor 1, and the pillar 25 is shocked to collide with the pillar 25 when it descends from the edge of the seedling raising box 2. configured to, the Sucre - the rear surface during part of the path 20 scleroglucan in nursery boxes for sowing device provided with a guide plate 27 to the upper rotating the scraper 20 abuts against the front end of the nursery box 2 - It was a pity. An embodiment of the present invention will be described with reference to the drawings.
Is a horizontal transfer conveyor that transfers the seedling raising box 2 from the starting end side 3 toward the terminal end side 4, is formed long in the transfer direction of the seedling raising box 2, and is supported on the floor by a supporting leg 5 provided at a desired position. The seedling-raising box 2 is formed of a synthetic resin in a square drawer shape. A bed soil supply device 6 is provided at a position near the starting end side 3 of the transfer conveyor 1. The floor soil supply device 6 includes a floor soil supply hopper 7, a soil supply belt, and a soil supply amount adjusting device 8.
Etc., and the bed soil is supplied into the seedling raising box 2. 9 is
The motors 10 of the bed soil supply device 6 are bed soil boxes. An irrigation section 12 provided with an irrigation nozzle connected to a pump 11 is provided on the lower transfer side of the bed soil supplying device 6. 13 is a water box . The transport downstream side of the front Symbol irrigating unit 12 provided seeds supply device 14. Seed-pad feeder 14
Is formed by a hopper 15, a seed feeding roll, a seed feeding amount adjusting device 16 and the like. A soil covering supply device 17 is provided on the lower transfer side of the seed paddy supply device 14. Cover soil supply device 17
Is a hopper-18, a soil supply belt, and a soil supply amount adjusting device 19
And the like, and the sieve soil for covering the soil is supplied into the seedling raising box 2. Therefore, the scraper 20 is provided at a position after the soil covering supplying operation of the soil covering supplying device 17 is completed. Screen
The par 20 is an upper plate 21 and a lower plate 22 that are long in the left-right direction of a thin metal plate.
Are integrally formed by and are formed in an L shape when viewed from the side. A horizontal rotary shaft 23 is fixed to the upper end of the upper plate 21, and both ends of the rotary shaft 23 are connected to the frame 24 of the transfer conveyor 1.
A pair of left and right support plates 25 attached to the shaft is pivotally attached. The scraper 20 is urged by its own weight or spring elasticity so as to be constantly rotated downward about the rotary shaft 23. The lower plate 22 at its lower edge acting part, than the spacing of the pair of left and right support plates 25 are formed in the large becomes long, the abutting portion 26 provided on the left and right sides of the lower plate 22, lower plate 2
Reference numeral 2 indicates the upper surfaces of both edges of the seedling raising box 2 which are simultaneously rubbed and cleaned, and when descending and rotating, the abutting portion 26 impacts against the supporting plate 25, and the scraper 20 descending and rotating. To stop
Along with that, remove the soil . Reference numeral 27 denotes a guide plate, which is provided at the inner central portion of the rear surface of the scraper 20. Rear edge 2 of guide plate 27
8 is in a vertical state before contact so that the scraper 20 can be smoothly rotated upward when the front end 29 of the seedling raising box 2 contacts this. Reference numeral 30 is a guide roll for transferring the seedling raising box 2, 3
1 is a motor for rotating the guide roll 30, and 32 is a rear end portion of the seedling raising box 2. Next, the operation will be described. Start side 3 of transfer conveyor 1
When the nursery box 2 is placed on the guide roll 30 of
Is transferred toward the terminal end side 4 by the guide roll 30, is supplied with the bed soil by the bed soil supply device 6, is watered by the watering unit 12, is seeded at the lower part of the seed paddy supply device 14, and is covered by the soil cover supply device 17. In the lower part of the, the supply of the cover soil is received. When the seedling raising box 2 supplied with the sieve soil for covering soil is moved forward by the guide rolls 30 and the front end 29 of the seedling raising box 2 contacts the guide plate 27 of the scraper 20,
Since the guide plate 27 is formed in a vertical shape, even if the lower plate 22 of the scraper 20 is inclined toward the rear side toward the lower end and is caught, the rear end edge 28 of the guide plate 27 at the front end portion 29 of the seedling raising box 2. Smoothly push the scraper 20 forward
Smoothly move up about 3. However, since the scraper 20 is constantly urged by its own weight or spring elasticity so as to rotate downward about the rotary shaft 23, the front end portion 29 of the seedling raising box 2 has the lower end 2 thereof.
When going under the lower end edge of 2, the upward rotation of the scraper 20 is stopped, and the lower end edge of the lower plate 22 comes into close contact with the edge of the seedling raising box 2. Since the scraper 20 is formed to be wider than the width of the seedling raising box 2, when the seedling raising box 2 moves forward, the upper surfaces of both edges of the seedling raising box 2 are simultaneously rubbed to clean the deposited soil, Take it out on the lower plate 22. In this case, the scraper 20 has an upper plate 21.
And the lower plate 22, and when viewed from the side, it is L-shaped,
As shown in FIG. 5, the lower plate 22 has its lower end located closer to the front side in the vertical direction than the upper end, and therefore is cleaned well. Since the scraper 20 is always urged by its own weight or spring elasticity to rotate, when the rear end 32 of the seedling raising box 2 passes below the lower edge of the lower plate 22, The lower edge of the lower plate 22 that is in close contact with the upper surface of the edge of the seedling raising box 2 starts downward rotation. Since the contact portions 26 are formed on both the left and right sides of the lower plate 22 of the scraper 20, the contact portions 26 are shocked to the rear edge of the support plate 25 when the contact portions 26 are rotated downward. Collisions, and thus the soil deposited on the inner part of the scraper 20, are shocked away. Therefore, the seeding work can be continuously performed. EFFECTS OF THE INVENTION Conventionally, a nursery box transfer conveyor, a soil covering supply device provided above the transfer conveyor, and a scraper for rubbing the edges of the nursery box provided above the transfer conveyor were provided. A seeding device for a nursery box is described in Japanese Utility Model Publication No. 57-91453. The above-mentioned known products have a problem that soil remains attached to the scraper and the work must be stopped and removed. However, according to the present invention, the transfer conveyor 1 for the nursery box 2, the soil covering device 17 provided above the transfer conveyor 1, and the scraper 20 for rubbing on the edge of the nursery box 2 provided above the transfer conveyor 1. In the seeding device provided with, the scraper 20 is made of a thin metal plate and is formed in a lateral L shape composed of an upper plate 21 and a lower plate 22 which are long in the left and right, and a horizontal rotation shaft is provided at an upper end of the upper plate 21. 23 is fixed, both ends of the rotary shaft 23 are rotatably attached to a column 25 provided on the transfer conveyor 1, and the column 25 is shocked when it descends from the edge of the nursery box 2. A scraper in a seedling raising seedling device, which is configured to collide, and which is provided with a guide plate 27 that abuts the front end of the seedling raising box 2 at the intermediate portion of the rear surface of the scraper 20 to rotate the scraper 20 upward. Therefore, Sucre The upper and lower plates 21 and 22 are long and wide.
Is formed in an L-shaped side face, and a left and right rotating shaft 23 is fixed to the upper end of the upper plate 21, and both ends of the rotating shaft 23 are rotatably attached to a column 25 provided on the transfer conveyor 1. Then
And when the support is moved down from the edge of the seedling raising box 2 to rotate downward
Since it is configured to collide with the shock absorber 5, the adhered soil on the lower plate 22 can be automatically removed, and continuous work is possible. When the front end portion 29 of the nursery box 2 contacts the guide plate 27 of the scraper 20, the lower plate 22 of the scraper 20 moves toward the lower end.
Even in the state of being inclined to the rear side and being caught, the rear end edge 28 of the guide plate 27 is smoothly pushed forward by the front end portion 29 of the seedling raising box 2, and the scraper 20 is smoothly raised and rotated about the rotary shaft 23. . Therefore, since the scraper 20 does not block the movement of the seedling raising box 2, continuous operation is not interrupted. Has the effect.

【図面の簡単な説明】【図１】装置全体の側面図。【図２】スクレ−パの斜視図。【図３】育苗箱がスクレ−パに当接する前の状態図。【図４】育苗箱がスクレ−パに当接した状態図。【図５】スクレ−パが育苗箱の縁の上面を摺擦してい
る状態図。【図６】育苗箱の後端部がスクレ−パの下方に差掛っ
た状態図。【図７】スクレ−パが下降回動して支柱に衝撃的に衝
突して付着土が剥離落下した状態図。【符号の説明】１…移送コンベア、２…育苗箱、３…始
端側、４…終端側、５…支脚、６…床土供給装置、７…
床土供給ホッパ−、８…土供給量調節装置、９…モ−タ
−、１０…床土受箱、１１…ポンプ、１２…灌水部、１
３…水受箱、１４…種籾供給装置、１５…ホッパ−、１
６…種子繰出量調節装置、１７…覆土供給装置、１８…
ホッパ−、１９…土供給量調節装置、２０…スクレ−
パ、２１…上板、２２…下板、２３…回転軸、２４…フ
レ−ム、２５…支板、２６…当接部、２７…ガイド板、
２８…後端縁、２９…前端部、３０…案内ロ−ル、３１
…モ−タ−、３２…後端部。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of the entire device. FIG. 2 is a perspective view of a scraper. FIG. 3 is a state diagram before the nursery box contacts the scraper. FIG. 4 is a state diagram in which the nursery box is in contact with the scraper. FIG. 5 is a view showing a state where the scraper is rubbing the upper surface of the edge of the nursery box. FIG. 6 is a state diagram in which the rear end portion of the nursery box is located below the scraper. FIG. 7 is a diagram showing a state in which the scraper pivots downwardly and impactally collides with the column, and the adhered soil is separated and dropped. [Explanation of Codes] 1 ... Transfer conveyor, 2 ... seedling raising box, 3 ... starting side, 4 ... end side, 5 ... support leg, 6 ... bed soil supply device, 7 ...
Floor soil supply hopper, 8 ... Soil supply amount adjusting device, 9 ... Motor, 10 ... Floor soil receiving box, 11 ... Pump, 12 ... Irrigation section, 1
3 ... Water box, 14 ... Seed paddy feeding device, 15 ... Hopper, 1
6 ... Seed feeding amount adjusting device, 17 ... Soil supply device, 18 ...
Hopper, 19 ... Soil supply amount adjusting device, 20 ... Scraper
Pa, 21 ... Upper plate, 22 ... Lower plate, 23 ... Rotating shaft, 24 ... Frame, 25 ... Support plate, 26 ... Abutment portion, 27 ... Guide plate,
28 ... rear edge, 29 ... front end, 30 ... guide roll, 31
... Motor, 32 ... Rear end.

Claims

[Claims for utility model registration] Transfer conveyor 1 for nursery box 2
And a cover soil supplying device 17 provided above the transfer conveyor 1.
And a scraper 20 for rubbing the edge of the nursery box 2 provided above the transfer conveyor 1,
The scraper 20 is made of a thin metal plate and has a long left and right upper plate 21.
And the lower plate 22 are formed into an L-shaped side surface, and the upper plate 2
The rotary shaft 23 in the left-right direction is fixed to the upper end of the rotary shaft 2
Both ends of 3 are rotatably attached to a pillar 25 provided on the transfer conveyor 1, and are configured so as to impactally collide with the pillar 25 when descending and turning off the edge of the seedling raising box 2, Sucre - the rear surface during part of the path 20 is the front end of the nursery box 2
A scraper in a seedling raising seedling device provided with a guide plate 27 that abuts and rotates the scraper 20 upward.