JPH06199421A - Case unloader - Google Patents
Case unloaderInfo
- Publication number
- JPH06199421A JPH06199421A JP36078692A JP36078692A JPH06199421A JP H06199421 A JPH06199421 A JP H06199421A JP 36078692 A JP36078692 A JP 36078692A JP 36078692 A JP36078692 A JP 36078692A JP H06199421 A JPH06199421 A JP H06199421A
- Authority
- JP
- Japan
- Prior art keywords
- case
- pallet
- stacked
- unloading
- conveyor
- 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
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000003028 elevating effect Effects 0.000 description 6
- 230000001174 ascending effect Effects 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- De-Stacking Of Articles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、例えば、合成樹脂製
コンテナ、段ボール箱等の特異形状に形成されたケース
をパレットから順次積下ろしするために用いられるケー
ス積下ろし装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a case unloading device used for sequentially unloading a case having a unique shape such as a synthetic resin container or a cardboard box from a pallet.
【０００２】[0002]
【従来の技術】従来、上述例のような特異形状のケース
をパレットから１列ずつ積下ろしするケース積下ろし装
置としては、例えば、当出願人によって既に開発した積
下ろし装置（実願平３−７５７６７号参照）がある。2. Description of the Related Art Conventionally, as a case unloading device for unloading a case having a peculiar shape as described above from a pallet row by row, for example, an unloading apparatus already developed by the applicant (Practical application No. 3- No. 75767).
【０００３】この装置は、合成樹脂製の各コンテナが所
定個積重ねられたパレットを運搬用コンベア上に載置し
て、同パレットに積重ねられた複数列の各コンテナ群を
１列ずつ積下ろしする１ピッチ分だけ運搬用コンベアを
間欠送りする。同時に、ケース積下ろし機を駆動して、
パレットに積重ねられた複数列の各コンテナ群をプッシ
ャにより１列ずつ順次積下ろしすると共に、ケース分離
機を駆動して、１列分の各コンテナ群を下段側から１段
ずつ順次分離する装置である。In this apparatus, a pallet in which a predetermined number of containers made of synthetic resin are stacked is placed on a conveyor for unloading, and a plurality of groups of containers stacked in the pallet are unloaded one by one. Intermittently feed the conveyor for one pitch. At the same time, drive the case unloader,
A device that sequentially pushes each container group in multiple rows stacked on a pallet one by one with a pusher, and drives a case separator to sequentially separate each container group for one row from the bottom side one by one. is there.
【０００４】[0004]
【発明が解決しようとする課題】しかし、上述のような
合成樹脂製のコンテナを長期間使用すると、経年変化に
より各コンテナの積重ね形状が変形してしまい、所定個
の各コンテナを垂直方向に複数段積重ねることが困難と
なる。且つ、多数個の生産物が投入されたコンテナを複
数段積重ねるとコンテナ群の重心が高くなり、コンテナ
群の積重ね姿勢が不安定となるため、運搬用コンベアの
駆動時及び停止時に於いて、パレットに積重ねられた最
終列の各コンテナ群に横転が生じやすく、コンテナ群の
積下ろし作業が円滑に行えなくなるという問題点が考え
られる。However, when the above-mentioned synthetic resin containers are used for a long period of time, the stacking shape of each container is deformed due to aging, and a predetermined number of containers are vertically arranged. Difficult to stack. And, when stacking a plurality of containers into which a large number of products have been input, the center of gravity of the container group becomes high, and the stacking posture of the container group becomes unstable, so when the transport conveyor is driven and stopped, There is a problem in that each container group in the final row stacked on the pallet is liable to roll over, which makes it difficult to smoothly unload the container groups.
【０００５】また、パレットに複数列積重ねられた各コ
ンテナ群の向きを強制的に整列させると、隣接する各コ
ンテナの両側縁部が互いに重なり合うことがあるため、
コンテナ群の積下ろしが妨げられるという問題点も考え
られる。Further, if the directions of the container groups stacked in a plurality of rows on the pallet are forcibly aligned, the side edges of the adjacent containers may overlap each other.
There may be a problem that the loading and unloading of containers is hindered.
【０００６】この発明は上記問題に鑑み、パレットに積
重ねられた最終列の各ケース群をケース支持板で垂直姿
勢に支持した状態のまま移動することにより、パレット
運搬時に於いて、複数列積重ねられた各ケース群が横転
するのを確実に防止でき、積下ろし作業が円滑に行なえ
るケース積下ろし装置の提供を目的とする。In view of the above problems, the present invention moves a plurality of case groups in the last row stacked on a pallet while being vertically supported by a case support plate so that a plurality of rows are stacked when the pallet is transported. It is an object of the present invention to provide a case unloading device which can reliably prevent each case group from rolling over and can smoothly perform unloading work.
【０００７】[0007]
【課題を解決するための手段】この発明は、上記運搬用
コンベア上に設定した積下ろし位置に、前記パレットに
積重ねられた最終列の各ケース群を垂直姿勢に支持する
ケース支持板を対接し、且つ、該各ケース群を支持した
姿勢のままケース支持板を運搬用コンベアの送り速度と
同期してパレット送り方向に移動するケース支持手段を
設けたケース積下ろし装置であることを特徴とする。According to the present invention, a case support plate for supporting each case group in the final row stacked on the pallet in a vertical posture is abutted at the unloading position set on the carrying conveyor. Further, it is a case unloading device provided with case supporting means for moving the case supporting plate in the pallet feeding direction in synchronization with the feeding speed of the transporting conveyor while maintaining the posture of supporting each case group. .
【０００８】[0008]
【作用】この発明は、運搬用コンベアを駆動して、パレ
ットに積重ねられた複数列の各ケース群を１列ずつ積下
ろし位置に移動すると共に、ケース支持手段を駆動し
て、パレットに積重ねられた最終列の各ケース群にケー
ス支持板を対接し、同ケース支持板を運搬用コンベアの
送り速度と同期してパレット送り方向に移動させ、パレ
ットに積重ねられた最終列の各ケース群をケース支持板
で垂直姿勢に支持した状態のまま移動する。同時に、ケ
ース積下ろし手段を駆動して、パレットに積重ねられた
複数列の各ケース群を１列ずつ順次積下ろしするので、
パレット運搬時に於いて、パレットに積重ねられた各ケ
ース群が横転するのを防止できる。According to the present invention, the transporting conveyor is driven to move the plurality of rows of case groups stacked on the pallet to the unloading position one row at a time, and the case supporting means is driven to be stacked on the pallet. A case support plate is placed in contact with each case group in the last row, and the case support plate is moved in the pallet feeding direction in synchronization with the feed speed of the conveyor for transporting, and each case group in the last row stacked on the pallet is treated as a case. It moves with the support plate supported vertically. At the same time, since the case unloading means is driven to sequentially unload the plurality of rows of case groups stacked on the pallet one by one,
It is possible to prevent the case groups stacked on the pallet from overturning when the pallet is transported.
【０００９】[0009]
【発明の効果】この発明によれば、パレットに積重ねら
れた最終列の各ケース群をケース支持板で垂直姿勢に支
持した状態のまま移動するので、運搬用コンベアの駆動
時及び停止時に於いて、パレットに積重ねられた最終列
の各ケース群が横転するのを確実に防止でき、且つ、前
後又は左右に隣接する各ケース群が互いに重なり合った
りせず、複数列の各ケース群を１列ずつ順次積下ろすた
めの作業が円滑に行なえると共に、積下ろし作業に要す
る人員及び時間を削減して、作業の省力化及び能率アッ
プを図ることができる。According to the present invention, since each case group in the final row stacked on the pallet is moved while being vertically supported by the case support plate, it is possible to drive and stop the conveyor. , It is possible to reliably prevent the case groups in the last row stacked on the pallet from overturning, and the case groups adjacent to each other in the front, rear, left, and right are not overlapped with each other, and each case group in a plurality of rows is row by row. The work for sequentially unloading can be performed smoothly, the number of personnel and time required for the unloading work can be reduced, and the labor can be saved and the efficiency can be improved.
【００１０】[0010]
【実施例】この発明の一実施例を以下図面に基づいて詳
述する。図面はケースの一例として複数段積重ねられた
合成樹脂製のコンテナを１段ずつ積下ろしするために用
いられるケース積下ろし装置１を示し、図１及び図５に
於いて、このケース積下ろし装置１は、例えば、４５個
の各コンテナａ…が積重ねられたパレットＰを運搬用コ
ンベア２上に載置して、同運搬用コンベア２上に設定し
た積下ろし位置にパレットＰを搬送する。この後、ケー
ス支持機３を駆動して、パレットＰに積重ねられた複数
列の各コンテナ群Ａ…を起立姿勢に支持すると共に、同
パレットＰに積重ねられた各コンテナ群Ａ…を１列ずつ
順次供給する１ピッチ分だけ運搬用コンベア２を間欠駆
動する。ケース積下ろし機４を駆動して、パレットＰに
積重ねられた各コンテナ群Ａ…を１列ずつ順次積下ろし
すると共に、ケース分離機５を駆動して、所定個の各コ
ンテナａ…を５段積重ねてなる１列分の各コンテナ群Ａ
…を下段側から順次分離して分配用コンベア６上に順次
供給する装置である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. As an example of a case, the drawings show a case unloading device 1 used for unloading a plurality of synthetic resin containers stacked one by one, and in FIG. 1 and FIG. 5, this case unloading device 1 is shown. For example, the pallet P in which 45 containers a are stacked is placed on the transporting conveyor 2 and the pallet P is transported to the unloading position set on the transporting conveyor 2. Thereafter, the case supporter 3 is driven to support the plurality of rows of container groups A ... Stacked on the pallet P in a standing posture, and the container groups A ... Stacked on the same pallet P are row by row. The conveyor 2 for conveyance is intermittently driven by one pitch that is sequentially supplied. The case unloading machine 4 is driven to sequentially unload the container groups A ... Stacked on the pallet P one row at a time, and the case separator 5 is driven to drive each predetermined number of containers a. Each container group A for one row that is stacked
Is a device that sequentially separates the ... From the lower stage side and sequentially supplies it onto the distribution conveyor 6.
【００１１】上述の運搬用コンベア２は、送り側始端部
に軸支した各スプロケット７，７と、送り側終端部に軸
支した各スプロケット８，８との間に各送り用チェーン
９，９を張架し、終端側下部に配設した減速機付き送り
用モータ１０の駆動力により、スプロケット１１，１２
及び駆動チェーン１３を介して各送り用チェーン９，９
をパレット送り方向に周回させ、同送り用チェーン９，
９上に載置されたパレットＰを１列分の各コンテナ群Ａ
…を積下ろしする１ピッチ分ずつ間欠送りする。且つ、
運搬用コンベア２上に設定した積下ろし位置上部にパレ
ット送り方向と平行して取付け枠１４を水平架設し、同
取付け枠１４の積下ろし側下部にパレットＰの送り側前
端部に積重ねられた上段側の各コンテナａ…と対向して
整列プレート１４ａを立設している。なお、一つのパレ
ットＰに積重ねられた全コンテナ群Ａ…を積下ろし後、
送り側終端部に接続したパレット積重ね機（図示省略）
に空パレットＰを供給して積重ね回収する。In the above-mentioned transporting conveyor 2, the feed chains 9 and 9 are provided between the sprockets 7 and 7 pivotally supported at the start end of the feed side and the sprockets 8 and 8 pivotally supported at the end of the feed side. And the sprocket 11, 12 is driven by the driving force of the feed motor 10 with a reduction gear arranged on the lower end side.
And the feed chains 9 and 9 via the drive chain 13.
Is rotated in the pallet feed direction, and the same feed chain 9,
The pallet P placed on 9 is a container group A for one row
Intermittent feed is performed for each one pitch for loading and unloading. and,
A mounting frame 14 is horizontally installed above the loading / unloading position set on the transporting conveyor 2 in parallel with the pallet feeding direction, and an upper stage stacked on the lower end of the mounting frame 14 on the unloading side and the front end of the pallet P on the feeding side. An alignment plate 14a is erected so as to face each container a on the side. In addition, after unloading all the container groups A ... Stacked on one pallet P,
Pallet stacker connected to the feed end (not shown)
The empty pallet P is supplied to and is collected in a stack.
【００１２】一方、運搬用コンベア２上に設定した積下
ろし位置側部にパレットＰと対向して、例えば、投光器
と受光器とで構成される光電センサＳ1 を配設し、同光
電センサＳ1 でパレットＰの始端部及び終端部を検知す
る。且つ、運搬用コンベア２上に設定した積下ろし位置
側部にパレットＰに積重ねられた各列の各コンテナ群Ａ
…と対向して、例えば、投光器と受光器とで構成される
各光電センサＳ2 ，Ｓ3 ，Ｓ4 を配設し、同各光電セン
サＳ2 ，Ｓ3 ，Ｓ4 でパレットＰに積重ねられた最終列
のコンテナ群Ａを検知すると共に、同各光電センサ
Ｓ1 ，Ｓ2 ，Ｓ3 ，Ｓ4 の検知に基づいて、運搬用コン
ベア２の送り用モータ１０と、ケース支持機３の移動用
モータ２１及び旋回用シリンダ２５とを駆動及び停止す
る。On the other hand, a photoelectric sensor S 1 composed of, for example, a light projector and a light receiver is disposed on the side of the unloading position set on the carrying conveyor 2 so as to face the pallet P. At 1 , the start and end of the pallet P are detected. In addition, each container group A in each row stacked on the pallet P on the side of the unloading position set on the transporting conveyor 2.
Facing each other, for example, each photoelectric sensor S 2 , S 3 , S 4 composed of a light emitter and a light receiver is arranged, and stacked on the pallet P by each photoelectric sensor S 2 , S 3 , S 4. The container group A in the final row is detected, and based on the detection of the photoelectric sensors S 1 , S 2 , S 3 , and S 4 , the feeding motor 10 of the conveyor 2 for conveyance and the case supporter 3 are detected. The moving motor 21 and the turning cylinder 25 are driven and stopped.
【００１３】前述のケース支持機３は、図２及び図３に
も示すように、運搬用コンベア２上に設定した積下ろし
位置上部にパレット送り方向と平行して取付け枠１４を
水平架設し、同取付け枠１４の下面側に架設した２本の
各ガイドレール１５，１５間に可動台１６を前後移動自
在に取付け、同可動台１６の下面側後端部に、パレット
Ｐの送り側後端部に積重ねられた上段側の各コンテナａ
…と対向して横長形状のケース支持板１７を上下回動自
在に軸支している。且つ、取付け枠１４の送り側始端部
及び送り側終端部に軸支した各スプロケット１８，１９
間に移動用チェーン２０を張架し、同移動用チェーン２
０の両端部を可動台１６の上面側中央部に連結固定し
て、終端側上部に配設した減速機付き移動用モータ２１
の駆動力により、スプロケット２２，２３及び駆動チェ
ーン２４を介して移動用チェーン２０を送り方向に周回
させ、上述した運搬用コンベア２の間欠送りと同期し
て、１列分の各コンテナ群Ａ…を積下ろしする１ピッチ
分だけ可動台１６を間欠移動する。As shown in FIGS. 2 and 3, the case supporter 3 has a mounting frame 14 horizontally installed above the loading / unloading position set on the conveyor 2 in parallel with the pallet feeding direction. A movable base 16 is movably mounted between the two guide rails 15, 15 provided on the lower surface side of the mounting frame 14 so that the movable base 16 can be moved back and forth. Each container a on the upper side stacked in the section
The case support plate 17 having a horizontally long shape is axially supported so as to be vertically rotatable so as to face the. In addition, the sprockets 18, 19 pivotally supported on the feed side start end and the feed side end of the mounting frame 14, respectively.
A moving chain 20 is stretched between the moving chain 2 and
Both ends of 0 are connected and fixed to the central portion on the upper surface side of the movable table 16, and the moving motor 21 with a reduction gear arranged on the upper end side.
Driving force causes the moving chain 20 to circulate in the feeding direction via the sprockets 22 and 23 and the driving chain 24, and in synchronization with the intermittent feeding of the transporting conveyor 2 described above, each container group A for one row ... The movable table 16 is intermittently moved by one pitch for unloading.
【００１４】上述のケース支持板１７は、同ケース支持
板１７の軸端部に可動台１６の一側上部に配設した旋回
用シリンダ２５のピストンロッドを連結して、同旋回用
シリンダ２５の作動により、パレットＰの送り側後端部
に積重ねられた各コンテナ群Ａ…を垂直姿勢に支持する
垂直位置と、パレットＰに積重ねられた各コンテナ群Ａ
…の通過を許容する水平位置とに上下回動すると共に、
パレットＰの送り側後端部に積重ねられた各コンテナ群
Ａ…の後面に対してケース支持板１７を所定間隔に近接
した垂直位置に回動停止する。且つ、ケース支持板１７
の前面側下端部に押圧板２６の出没を許容する形状寸法
の出没孔１７ａを形成し、同出没孔１７ａの後面側上部
に押圧板２６を上下回動自在に軸支すると共に、同出没
孔１７ａの後面側下部と押圧板２６の軸端部との間にス
プリング２７を張架して、ケース支持板１７の出没孔１
７ａに対して押圧板２６を常時突出する方向に回動付勢
している。The case support plate 17 is connected to a shaft end of the case support plate 17 with a piston rod of a swiveling cylinder 25 provided on one side of the movable base 16 so that the swiveling cylinder 25 has the same shape. By the operation, a vertical position for supporting each container group A ... Stacked on the rear end of the pallet P on the feed side in a vertical posture, and each container group A stacked on the pallet P.
While turning up and down to a horizontal position that allows the passage of ...
The case support plate 17 is stopped to rotate at a vertical position close to the rear surface of each container group A ... Stacked at the rear end of the pallet P on the feed side. Moreover, the case support plate 17
Is formed in the lower end of the front side of the press plate 26 having a shape and dimension that allows the press plate 26 to project and retract, and the press plate 26 is rotatably pivoted up and down on the upper rear side of the projecting and retracting hole 17a. A spring 27 is stretched between the lower part of the rear surface 17a and the shaft end portion of the pressing plate 26, so that the case supporting plate 17 has a retractable hole 1
The pressing plate 26 is urged to rotate with respect to 7a in a direction in which it always projects.
【００１５】且つ、ケース支持板１７の後面側下部に押
圧板２６と対向して、例えば、リミットスイッチ等で構
成される押圧センサＳ5 を配設し、同押圧センサＳ5 で
パレットＰに積重ねられた最終列のコンテナ群Ａに対し
て押圧板２６が押圧されたのを検知すると共に、同押圧
センサＳ5 の検知に基づいて移動用モータ２１を駆動及
び停止し、パレットＰに積重ねられた各コンテナ群Ａ…
に対してケース支持板１７を所定間隔に近接した位置に
移動停止する。Further, a pressure sensor S 5 composed of, for example, a limit switch is arranged in the lower portion of the rear surface side of the case support plate 17 so as to face the pressure plate 26, and the pressure sensor S 5 is stacked on the pallet P. When the pressing plate 26 is pressed against the container group A in the final row, the moving motor 21 is driven and stopped based on the detection of the pressing sensor S 5 , and the containers are stacked on the pallet P. Each container group A ...
On the other hand, the case support plate 17 is stopped moving to a position close to the predetermined distance.
【００１６】前述のケース積下ろし機４は、図１及び図
４に示すように、運搬用コンベア２上に設定した積下ろ
し位置上部にパレット送り方向と直交して取付け枠２８
を水平架設し、同取付け枠２８の前面側に水平架設した
２本の各ガイドレール２９，２９間に可動台３０を左右
移動自在に取付け、同可動台３０の前面側中央部に１列
分のコンテナ群Ａと対向して縦長形状のプッシャ板３１
を連結固定している。且つ、取付け枠２８の積下ろし側
始端部及び積下ろし側終端部に軸支した各スプロケット
３２，３３間に移動用チェーン３４を張架し、同移動用
チェーン３４の端部を可動台３０の後面側中央部に連結
固定し、終端側上部に配設した減速機付き移動用モータ
３５をスプロケット３３の軸端部に直結して、同移動用
モータ３５の駆動力により、各スプロケット３２，３３
を介して移動用チェーン３４を積下ろし方向に周回さ
せ、パレットＰの積重ねられた１列分のコンテナ群Ａと
対向する後退位置と、後述するケース分離機５の昇降用
コンベア３９上に１列分の各コンテナ群Ａ…を移載する
前進位置とにプッシャ板３１を前後移動する。As shown in FIGS. 1 and 4, the above-mentioned case unloading machine 4 has a mounting frame 28 above the unloading position set on the conveyor 2 for transporting the pallet 28 in a direction orthogonal to the pallet feeding direction.
Is horizontally erected, and a movable table 30 is movably mounted between two guide rails 29, 29 horizontally installed on the front side of the mounting frame 28. Vertically shaped pusher plate 31 facing the container group A of
Are connected and fixed. In addition, a moving chain 34 is stretched between the sprockets 32 and 33 pivotally supported on the unloading side starting end and the unloading side terminating end of the mounting frame 28, and the end of the moving chain 34 is attached to the movable base 30. The moving motor 35 with a reduction gear, which is connected and fixed to the central portion on the rear surface side and is disposed on the upper end portion side, is directly connected to the shaft end portion of the sprocket 33, and the driving force of the moving motor 35 causes the sprocket wheels 32, 33 to move.
The moving chain 34 is circulated in the loading / unloading direction via the retreat position facing the container group A for one row of stacked pallets P, and one row on the ascending / descending conveyor 39 of the case separator 5 described later. The pusher plate 31 is moved back and forth to the forward position where the respective container groups A ...
【００１７】前述のケース分離機５は、図５、図６、図
７に示すように、運搬用コンベア２上に設定した積下ろ
し位置側部にケース積下ろし方向と平行して取付け枠３
６を水平架設し、同取付け枠３６の前面側に垂直架設し
た２本の各ガイドレール３７，３７間に昇降台３８を上
下昇降自在に取付け、同昇降台３８の前面側上端部に１
列分の各コンテナ群Ａ…を載置する大きさに形成した昇
降用コンベア３９を水平固定している。且つ、取付け枠
３６の上端側中央部に軸受した回転板４０の前面側周縁
部と、昇降台３８の後面側下端部とをクランクアーム４
１で連結して、同側下部に配設した減速機付き昇降用モ
ータ４２の駆動力により、スプロケット４３，４４及び
駆動チェーン４５を介して回転板４０を一方向に回転さ
せ、クランクアーム４１の揺動により昇降台３８を垂直
方向に上下動し、上段側に配設した運搬用コンベア２上
のパレットＰと水平となる上昇位置と、下段側に配設し
た分配用コンベア６と水平となる降下位置とに昇降用コ
ンベア３９を昇降停止する。As shown in FIG. 5, FIG. 6 and FIG. 7, the case separator 5 is mounted on the side of the unloading position set on the transporting conveyor 2 in parallel with the case unloading direction, and the mounting frame 3 is attached.
6 is horizontally erected, and an elevating table 38 is vertically movably mounted between two guide rails 37, 37 vertically erected on the front side of the mounting frame 36.
An elevating conveyor 39 formed in a size for mounting each container group A for rows is horizontally fixed. Moreover, the front peripheral edge of the rotary plate 40 bearing the central portion of the upper end of the mounting frame 36 and the lower rear end of the lift table 38 are connected to the crank arm 4.
1, the rotary plate 40 is rotated in one direction via the sprockets 43 and 44 and the drive chain 45 by the driving force of the motor 42 for lifting and lowering with a reduction gear arranged at the lower part of the same side, and the crank arm 41 By the rocking, the elevating table 38 is vertically moved up and down, so that the ascending position is horizontal with the pallet P on the carrying conveyor 2 arranged on the upper stage side, and is horizontal with the distributing conveyor 6 arranged on the lower stage side. The lifting / lowering conveyor 39 is stopped at the lowering position.
【００１８】上述の昇降用コンベア３９は、送り側始端
部に軸支した各プーリ４６，４６と、送り側終端部に軸
支した各プーリ４７，４７との間に断面Ｖ字形の各送り
用ベルト４８，４８を張架し、終端側下部に配設した減
速機付き送り用モータ４９の駆動力により、スプロケッ
ト５０，５１及び駆動チェーン５２を介して各送り用ベ
ルト４８，４８をケース積下ろし方向に周回させ、上昇
位置及び降下位置に於いて昇降用コンベア３９を一方向
に駆動する。The elevator conveyor 39 described above has a V-shaped cross section between each of the pulleys 46, 46 pivotally supported at the start end of the feed side and the pulleys 47, 47 pivotally supported at the end of the feed side. The belts 48, 48 are stretched, and the driving force of a reduction motor-equipped feeding motor 49 arranged at the lower end side is used to unload the feeding belts 48, 48 via the sprockets 50, 51 and the drive chain 52. In the ascending and descending positions, the ascending / descending conveyor 39 is driven in one direction.
【００１９】且つ、上昇位置に停止した昇降用コンベア
３９の両側位置に、同昇降用コンベア３９上の下から２
段目に積重ねられた各コンテナａ…の両側面と対向して
各ケース保持板５３…を回動自在に軸支し、同各ケース
保持板５３…を固定した各支軸５４，５４の端部と、終
端側上部に軸受した連動軸５５の両端部とを傘形の各ギ
ャ５６，５７を介して夫々連結している。At the both sides of the lifting / lowering conveyor 39 stopped at the rising position, the upper / lowering conveyor 39 is moved from the bottom to the second position.
The ends of the support shafts 54, 54, which rotatably support the case holding plates 53, facing the both side surfaces of the containers a, which are stacked in the tier, and which fix the case holding plates 53. The part and both ends of the interlocking shaft 55 bearing on the upper end side are connected to each other via umbrella-shaped gears 56 and 57, respectively.
【００２０】且つ、一方に軸受した支軸５４の一側端部
と、同支軸５４と平行して軸受した支軸５８の一側端部
とをアーム５９で連結し、同支軸５８の他側端部に軸支
したカムローラ６０と、回転板４０の後面側周縁部に形
成したカム部６１とを係合すると共に、終端側上部に配
設した牽引用シリンダ６２のピストンロッドを支軸５４
の一側端部に連結して、回転板４０のカム部６１に対し
て支軸５８のカムローラ６０を常時当接する方向に回動
付勢している。すなわち、上述した昇降用モータ４２の
駆動力により回転板４０を回転して、カムローラ６０及
びカム部６１を介して、昇降用コンベア３９上に載置さ
れた下から２段目の各コンテナａ…を水平姿勢に保持す
る閉位置と、同各コンテナａ…の保持を解除する開位置
とに左右の各ケース保持板５３…を回動する。Further, one end of the support shaft 54 bearing one side and one end of the support shaft 58 bearing in parallel with the support shaft 54 are connected by an arm 59, and the support shaft 58 of the support shaft 58 is connected. The cam roller 60 rotatably supported on the other end is engaged with the cam 61 formed on the peripheral edge of the rear surface of the rotary plate 40, and the piston rod of the traction cylinder 62 disposed on the upper end side is supported. 54
The cam roller 60 of the support shaft 58 is urged to rotate in a direction in which the cam roller 60 of the support shaft 58 is always in contact with the cam portion 61 of the rotary plate 40. That is, the rotating plate 40 is rotated by the driving force of the lifting motor 42 described above, and is placed on the lifting conveyor 39 via the cam roller 60 and the cam portion 61. The left and right case holding plates 53 are rotated to a closed position for holding the containers in a horizontal posture and an open position for releasing the holding of the containers a.
【００２１】図示実施例は上記の如く構成するものとし
て、以下、ケース積下ろし装置１による各コンテナａ…
の積下ろし動作を説明する。先ず、図１、図２に示すよ
うに、運搬用コンベア２をパレット送り方向に駆動し
て、４５個の各コンテナａ…が積重ねられたパレットＰ
を運搬用コンベア２上の積下ろし位置に搬送する。同時
に、各光電センサＳ1 ，Ｓ2 ，Ｓ3 ，Ｓ4 の検知に基づ
いて運搬用コンベア２の送り用モータ１０とケース支持
機３の移動用モータ２１とを駆動し、運搬用コンベア２
上の積下ろし位置にパレットＰの送り側後端部に積重ね
られた各コンテナ群Ａ…が到達したとき搬送停止する。The illustrated embodiment is configured as described above, and hereinafter, each container a by the case unloading device 1 ...
The loading / unloading operation of will be described. First, as shown in FIGS. 1 and 2, the conveyor 2 for transportation is driven in the pallet feeding direction to pallet P in which 45 containers a ... Are stacked.
Are transported to the unloading position on the transporting conveyor 2. At the same time, the feed motor 10 of the carrying conveyor 2 and the moving motor 21 of the case supporting machine 3 are driven based on the detections of the photoelectric sensors S 1 , S 2 , S 3 , and S 4 , and the carrying conveyor 2 is driven.
When the container groups A ... Stacked on the feed-side rear end of the pallet P reach the upper unloading position, the conveyance is stopped.
【００２２】各光電センサＳ1 ，Ｓ2 の検知に基づいて
ケース支持機３の旋回用シリンダ２５を作動し、パレッ
トＰの送り側後端部に積重ねられた各コンテナ群Ａ…の
後面側と対向する垂直姿勢にケース支持板１７を回動し
て、同ケース支持板１７の下端部に軸支した押圧板２６
をパレットＰの送り側後端部に積重ねられた上段側の各
コンテナａ…に押圧する。同時に、押圧センサＳ5 の検
知に基づいてパレットＰに積重ねられた最終列の各コン
テナ群Ａ…に対してケース支持板１７を所定間隔に近接
した位置に移動停止する。Based on the detection of the photoelectric sensors S 1 and S 2 , the turning cylinder 25 of the case supporter 3 is actuated, and the rear side of each container group A ... Stacked at the rear end of the pallet P on the feed side. The pressing plate 26 pivotally supported on the lower end portion of the case supporting plate 17 by rotating the case supporting plate 17 in a vertical posture facing each other.
Are pressed against the upper containers a, which are stacked at the rear end of the pallet P on the feed side. At the same time, based on the detection of the pressure sensor S 5, the case support plate 17 is stopped and moved to a position close to a predetermined interval for each container group A in the last row stacked on the pallet P.
【００２３】次に、図４、図５、図６に示すように、ケ
ース積下ろし機４のプッシャ板３１を積下ろし方向に移
動して、パレットＰの送り側前端部に積重ねられた１列
目の各コンテナ群Ａ…をプッシャ板３１で積下ろし方向
に水平移動し、上昇位置に待機するケース分離機５の昇
降用コンベア３９上に１列目の各コンテナ群Ａ…を移載
した後、プッシャ板３１を初期位置に復帰移動させる。
同時に、昇降用コンベア３９を垂直降下させ、下から２
段目に積重ねられた各コンテナａ…の両側縁部に左右の
各ケース保持板５３…を係止して、残りの各コンテナ群
Ａ…を水平姿勢に保持すると共に、昇降用コンベア３９
を降下位置まで降下して最下段の各コンテナａ…を分離
し、昇降用コンベア３９を積下ろし方向に回転駆動して
分離した各コンテナａ…を分配用コンベア６上に順次移
載する。Next, as shown in FIGS. 4, 5 and 6, the pusher plate 31 of the case unloading machine 4 is moved in the unloading direction, and the pallet P is stacked at the front end on the feed side. After each container group A of the first row is horizontally moved by the pusher plate 31 in the loading / unloading direction, and after the container groups A of the first row are transferred onto the elevator conveyor 39 of the case separator 5 which stands by at the raised position. , Pusher plate 31 is moved back to the initial position.
At the same time, vertically lower the conveyor 39 for raising and lowering,
Left and right case holding plates 53 ... Are locked to both side edges of the containers a ... Stacked in the tier to hold the remaining container groups A ..
Is lowered to a lowering position to separate the lowermost containers a ... And the elevators 39 are driven to rotate in the unloading direction, and the separated containers a ... Are sequentially transferred onto the distribution conveyor 6.
【００２４】この後、昇降用コンベア３９を垂直上昇さ
せ、左右の各ケース保持板５３…で保持した残りの各コ
ンテナ群Ａ…を昇降用コンベア３９により持ち上げると
共に、左右の各ケース保持板５３…による保持を解除し
て残りの各コンテナ群Ａ…を昇降用コンベア３９に移載
する。上述と同様にして、残りの各コンテナ群Ａ…を下
段側から１段ずつ順次分離し、分離した各コンテナａ…
を分配用コンベア６上に順次移載して次工程（図示省
略）に搬送供給する。Thereafter, the elevating conveyor 39 is vertically raised, and the remaining container groups A ... Held by the left and right case holding plates 53 ... Are lifted by the elevating conveyor 39, and the left and right case holding plates 53 ... Then, the remaining container groups A ... Are transferred to the elevator conveyor 39. In the same manner as above, the remaining container groups A ... Are sequentially separated one by one from the lower side, and the separated containers a ...
Are sequentially transferred onto the distribution conveyor 6 and conveyed and supplied to the next step (not shown).
【００２５】次に、１列目の各コンテナ群Ａ…を分離し
た後、各光電センサＳ1 ，Ｓ2 ，Ｓ3 ，Ｓ4 の検知に基
づいて次列の各コンテナ群Ａ…を積下ろしする１ピッチ
分だけ運搬用コンベア２をパレット送り方向に間欠送り
すると共に、運搬用コンベア２の送り用モータ１０とケ
ース支持機３の移動用モータ２１とを同期駆動して、ケ
ース支持機３のケース支持板１７をパレットＰの送り側
後端部に積重ねられた各コンテナ群Ａ…に近接した状態
のまま移動し、運搬用コンベア２の駆動時及び停止時に
於いて、パレットＰに積重ねられた各コンテナ群Ａ…が
後方側に転倒又は傾倒するのを防止する。以下同様に、
ケース積下ろし機４を駆動して、パレットＰに積重ねら
れた２列目〜５列目の各コンテナ群Ａ…を１列ずつ順次
積下ろしする。同時に、ケース分離機５を駆動して、各
列の各コンテナ群Ａ…を下段側から１段ずつ順次分離
し、分離した各コンテナａ…を分配用コンベア６上に順
次移載して次工程（図示省略）に搬送供給する。Next, after separating each container group A in the first row, each container group A in the next row is unloaded based on the detection of each photoelectric sensor S 1 , S 2 , S 3 , S 4. The conveying conveyor 2 is intermittently fed in the pallet feeding direction by one pitch, and the feeding motor 10 of the conveying conveyor 2 and the moving motor 21 of the case supporting machine 3 are synchronously driven to move the case supporting machine 3 The case support plate 17 is moved in a state of being close to each container group A ... Stacked at the rear end of the pallet P on the feed side, and stacked on the pallet P when the transporting conveyor 2 is driven and stopped. Each container group A ... is prevented from falling or tilting backward. And so on
The case unloading machine 4 is driven to successively unload the second to fifth container groups A ... Stacked on the pallet P one by one. At the same time, the case separator 5 is driven to sequentially separate the container groups A ... In each row from the lower stage one by one, and the separated containers a ... Are sequentially transferred onto the distribution conveyor 6 for the next step. (Not shown) is conveyed and supplied.
【００２６】次に、パレットＰに積重ねられた最終列の
各コンテナ群Ａ…を積下ろし直後、押圧センサＳ5 の検
知に基づいてケース支持機３の旋回用シリンダ２５を復
帰作動し、ケース支持板１７を水平姿勢に回動復帰して
初期位置に回帰移動させる。運搬用コンベア２をパレッ
ト送り方向に駆動して、次のパレットＰを積下ろし位置
に搬送し、空のパレットＰをパレット積重ね機（図示省
略）に供給して積重ね回収した後、各光電センサＳ1 ，
Ｓ2 ，Ｓ3 ，Ｓ4 ，Ｓ5 の検知に基づいて各機３，４，
５を駆動し、パレットＰに積重ねられた１列目〜５列目
の各コンテナ群Ａ…を１列ずつ順次積下ろしする作業を
継続して行う。Immediately after unloading the last group of container groups A ... Stacked on the pallet P, the turning cylinder 25 of the case supporting machine 3 is returned to the operating position on the basis of the detection of the pressure sensor S 5 to support the case. The plate 17 is returned to the horizontal posture by turning and returned to the initial position. The transporting conveyor 2 is driven in the pallet feeding direction to convey the next pallet P to the unloading position, and the empty pallet P is supplied to the pallet stacking machine (not shown) for stacking and collecting, and then each photoelectric sensor S. 1 ,
Based on the detection of S 2 , S 3 , S 4 , S 5 , each machine 3, 4,
5 is driven, and the operation of successively unloading the container groups A ... In the first to fifth rows stacked on the pallet P one by one is continued.
【００２７】以上のように、パレットＰに積重ねられた
５列目の各コンテナ群Ａ…をケース支持板１７で垂直姿
勢に支持した状態のまま移動するので、運搬用コンベア
２の駆動時及び停止時に於いて、パレットＰに積重ねら
れた５列目の各コンテナ群Ａ…が横転するのを確実に防
止でき、且つ、前後又は左右に隣接する各コンテナ群Ａ
…が互いに重合したりせず、５列積重ねられた各コンテ
ナ群Ａ…を１列ずつ順次積下ろすための作業が円滑に行
なえると共に、積下ろし作業に要する人員及び時間を削
減して、作業の省力化及び能率アップを図ることができ
る。As described above, since the container groups A in the fifth row stacked on the pallet P are moved while being vertically supported by the case support plate 17, the transport conveyor 2 is driven and stopped. At times, it is possible to reliably prevent each container group A in the fifth row stacked on the pallet P from overturning, and each container group A adjacent to the front or rear or left and right.
... do not overlap each other and each container group A stacked in 5 rows can be smoothly loaded and unloaded one by one, and the number of personnel and time required for loading and unloading can be reduced, It is possible to save labor and improve efficiency.
【００２８】この発明の構成と、上述の実施例との対応
において、この発明のケースは、実施例のコンテナａに
対応し、以下同様に、ケース群は、コンテナ群Ａに対応
し、ケース積下ろし手段は、ケース積下ろし機４及びプ
ッシャ板３１に対応し、ケース支持手段は、ケース支持
機３及びケース支持板５３に対応するも、この発明は、
上述の実施例の構成のみに限定されるものではない。In the correspondence between the configuration of the present invention and the above-described embodiment, the case of the present invention corresponds to the container a of the embodiment, and hereinafter, similarly, the case group corresponds to the container group A and the case product. The unloading means corresponds to the case unloading machine 4 and the pusher plate 31, and the case supporting means corresponds to the case supporting machine 3 and the case supporting plate 53.
It is not limited to the configuration of the above embodiment.
【００２９】例えば、各光電センサＳ1 ，Ｓ2 ，Ｓ3 ，
Ｓ4 の代わりにリミットスイッチ（図示省略）を配設
し、押圧センサＳ5 の代わりに光電センサ（図示省略）
を配設するもよい。For example, each photoelectric sensor S 1 , S 2 , S 3 ,
A limit switch (not shown) is provided instead of S 4, and a photoelectric sensor (not shown) is provided instead of the pressure sensor S 5.
May be provided.
【図１】ケース積下ろし装置によるコンテナ積下ろし動
作を示す側面図。FIG. 1 is a side view showing a container unloading operation by a case unloading device.
【図２】ケース支持機によるコンテナ支持状態を示す平
面図。FIG. 2 is a plan view showing a container supporting state by a case supporting machine.
【図３】ケース支持機のケース支持板を示す正面図。FIG. 3 is a front view showing a case support plate of the case support machine.
【図４】ケース積下ろし機によるコンテナ積下ろし動作
を示す側面図。FIG. 4 is a side view showing the container unloading operation by the case unloading machine.
【図５】ケース分離機によるコンテナ分離動作を示す側
面図。FIG. 5 is a side view showing a container separating operation by the case separator.
【図６】ケース分離機によるコンテナ分離動作を示す正
面図。FIG. 6 is a front view showing a container separating operation by a case separating machine.
【図７】ケース分離機の昇降コンベアを示す平面図。FIG. 7 is a plan view showing an elevating conveyor of the case separator.
ａ…コンテナ Ａ…コンテナ群 Ｐ…パレット １…ケース積下ろし装置 ２…運搬用コンベア ３…ケース支持機 ４…ケース積下ろし機 ５…ケース分離機 １７…ケース支持板 ３１…プッシャ板 ５３…ケース保持板 a ... container A ... container group P ... pallet 1 ... case unloading device 2 ... transporting conveyor 3 ... case supporting machine 4 ... case unloading machine 5 ... case separating machine 17 ... case supporting plate 31 ... pusher plate 53 ... case holding Board
Claims (1)
トを運搬用コンベア上に載置して、該運搬用コンベア上
に設定した積下ろし位置に複数列の各ケース群を１列ず
つ移動すると共に、該積下ろし位置に配設したケース積
下ろし手段を駆動して、パレットに積重ねられた複数列
の各ケース群を１列ずつ順次積下ろしするケース積出し
装置であって、上記運搬用コンベア上の積下ろし位置
に、前記パレットに積重ねられた最終列の各ケース群を
垂直姿勢に支持するケース支持板を対接し、且つ、該各
ケース群を支持した姿勢のままケース支持板を運搬用コ
ンベアの送り速度と同期してパレット送り方向に移動す
るケース支持手段を設けたケース積下ろし装置。1. A pallet in which a plurality of rows of case groups are stacked is placed on a transportation conveyor, and the rows of case groups are moved one row at a time to a loading / unloading position set on the transportation conveyor. In addition, the case unloading device that drives the case unloading means arranged at the unloading position to sequentially unload each of the plurality of rows of case groups stacked on the pallet one row at a time A case support plate that supports the case groups in the final row stacked on the pallet in a vertical posture is in contact with the upper unloading position, and the case support plates are transported in a posture that supports the case groups. A case unloading device provided with case supporting means that moves in the pallet feeding direction in synchronization with the conveyor feeding speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36078692A JP3241135B2 (en) | 1992-12-29 | 1992-12-29 | Case unloading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36078692A JP3241135B2 (en) | 1992-12-29 | 1992-12-29 | Case unloading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06199421A true JPH06199421A (en) | 1994-07-19 |
| JP3241135B2 JP3241135B2 (en) | 2001-12-25 |
Family
ID=18470913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP36078692A Expired - Fee Related JP3241135B2 (en) | 1992-12-29 | 1992-12-29 | Case unloading device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3241135B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217214A (en) * | 2018-01-30 | 2018-06-29 | 昆山同日工业自动化有限公司 | A kind of stack of trays arranges separator |
| EP3744666A1 (en) * | 2019-05-27 | 2020-12-02 | MULTIVAC Sepp Haggenmüller SE & Co. KG | Transport of tray stacks with a denester unit |
| CN113636334A (en) * | 2021-08-13 | 2021-11-12 | 佛山市承安铜业有限公司 | A box moving device |
| CN113734880A (en) * | 2021-08-30 | 2021-12-03 | 广东大宇智能设备有限公司 | Go up plastic uptake transfer unloader and dispensing device |
-
1992
- 1992-12-29 JP JP36078692A patent/JP3241135B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217214A (en) * | 2018-01-30 | 2018-06-29 | 昆山同日工业自动化有限公司 | A kind of stack of trays arranges separator |
| EP3744666A1 (en) * | 2019-05-27 | 2020-12-02 | MULTIVAC Sepp Haggenmüller SE & Co. KG | Transport of tray stacks with a denester unit |
| CN113636334A (en) * | 2021-08-13 | 2021-11-12 | 佛山市承安铜业有限公司 | A box moving device |
| CN113734880A (en) * | 2021-08-30 | 2021-12-03 | 广东大宇智能设备有限公司 | Go up plastic uptake transfer unloader and dispensing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3241135B2 (en) | 2001-12-25 |
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